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import qemu-kvm-6.2.0-49.module+el8.10.0+21533+3df3c4b6

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c8-stream-rhel imports/c8-stream-rhel/qemu-kvm-6.2.0-49.module+el8.10.0+21533+3df3c4b6
MSVSphere Packaging Team 7 months ago
parent 8deaa93206
commit 0dc1eaeade
35 changed files with 5025 additions and 192 deletions
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181
SOURCES/kvm-MAINTAINERS-split-out-s390x-sections.patch
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@ -0,0 +1,181 @@
From 440ee491240f2f02f9a6082d8aad98d88c1039dd Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com>
Date: Mon, 15 Jan 2024 14:00:04 +0100
Subject: [PATCH 1/5] MAINTAINERS: split out s390x sections
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 348: s390x: Provide some more useful information if decryption of a PV image fails
RH-Jira: RHEL-18214
RH-Acked-by: Jon Maloy <jmaloy@redhat.com>
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Commit: [1/5] a71a3c11922481f97c36570e361088d17474e481
JIRA: https://issues.redhat.com/browse/RHEL-18214
commit 56e34834029c7c6862cb0095d95ad83c50485f88
Author: Cornelia Huck <cohuck@redhat.com>
Date: Wed Dec 22 11:55:48 2021 +0100
MAINTAINERS: split out s390x sections
Split out some more specialized devices etc., so that we can build
smarter lists of people to be put on cc: in the future.
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Acked-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20211222105548.356852-1-cohuck@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
MAINTAINERS | 85 ++++++++++++++++++++++++++++++++++++++++++++++-------
1 file changed, 74 insertions(+), 11 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 7543eb4d59..b893206fc3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -297,7 +297,6 @@ M: David Hildenbrand <david@redhat.com>
S: Maintained
F: target/s390x/
F: target/s390x/tcg
-F: target/s390x/cpu_models_*.[ch]
F: hw/s390x/
F: disas/s390.c
F: tests/tcg/s390x/
@@ -396,16 +395,10 @@ M: Halil Pasic <pasic@linux.ibm.com>
M: Christian Borntraeger <borntraeger@de.ibm.com>
S: Supported
F: target/s390x/kvm/
-F: target/s390x/ioinst.[ch]
F: target/s390x/machine.c
F: target/s390x/sigp.c
-F: target/s390x/cpu_features*.[ch]
-F: target/s390x/cpu_models.[ch]
F: hw/s390x/pv.c
F: include/hw/s390x/pv.h
-F: hw/intc/s390_flic.c
-F: hw/intc/s390_flic_kvm.c
-F: include/hw/s390x/s390_flic.h
F: gdb-xml/s390*.xml
T: git https://github.com/borntraeger/qemu.git s390-next
L: qemu-s390x@nongnu.org
@@ -1529,12 +1522,8 @@ S390 Virtio-ccw
M: Halil Pasic <pasic@linux.ibm.com>
M: Christian Borntraeger <borntraeger@de.ibm.com>
S: Supported
-F: hw/char/sclp*.[hc]
-F: hw/char/terminal3270.c
F: hw/s390x/
F: include/hw/s390x/
-F: hw/watchdog/wdt_diag288.c
-F: include/hw/watchdog/wdt_diag288.h
F: configs/devices/s390x-softmmu/default.mak
F: tests/avocado/machine_s390_ccw_virtio.py
T: git https://github.com/borntraeger/qemu.git s390-next
@@ -1559,6 +1548,37 @@ F: hw/s390x/s390-pci*
F: include/hw/s390x/s390-pci*
L: qemu-s390x@nongnu.org
+S390 channel subsystem
+M: Halil Pasic <pasic@linux.ibm.com>
+M: Christian Borntraeger <borntraeger@linux.ibm.com>
+S: Supported
+F: hw/s390x/ccw-device.[ch]
+F: hw/s390x/css.c
+F: hw/s390x/css-bridge.c
+F: include/hw/s390x/css.h
+F: include/hw/s390x/css-bridge.h
+F: include/hw/s390x/ioinst.h
+F: target/s390x/ioinst.c
+L: qemu-s390x@nongnu.org
+
+S390 CPU models
+M: David Hildenbrand <david@redhat.com>
+S: Maintained
+F: target/s390x/cpu_features*.[ch]
+F: target/s390x/cpu_models.[ch]
+L: qemu-s390x@nongnu.org
+
+S390 SCLP-backed devices
+M: Halil Pasic <pasic@linux.ibm.com>
+M: Christian Borntraeger <borntraeger@linux.ibm.com>
+S: Supported
+F: include/hw/s390x/event-facility.h
+F: include/hw/s390x/sclp.h
+F: hw/char/sclp*.[hc]
+F: hw/s390x/event-facility.c
+F: hw/s390x/sclp*.c
+L: qemu-s390x@nongnu.org
+
X86 Machines
------------
PC
@@ -1956,6 +1976,7 @@ M: Halil Pasic <pasic@linux.ibm.com>
S: Supported
F: hw/s390x/virtio-ccw*.[hc]
F: hw/s390x/vhost-vsock-ccw.c
+F: hw/s390x/vhost-user-fs-ccw.c
T: git https://gitlab.com/cohuck/qemu.git s390-next
T: git https://github.com/borntraeger/qemu.git s390-next
L: qemu-s390x@nongnu.org
@@ -2294,6 +2315,48 @@ F: hw/timer/mips_gictimer.c
F: include/hw/intc/mips_gic.h
F: include/hw/timer/mips_gictimer.h
+S390 3270 device
+M: Halil Pasic <pasic@linux.ibm.com>
+M: Christian Borntraeger <borntraeger@linux.ibm.com>
+S: Odd fixes
+F: include/hw/s390x/3270-ccw.h
+F: hw/char/terminal3270.c
+F: hw/s390x/3270-ccw.c
+L: qemu-s390x@nongnu.org
+
+S390 diag 288 watchdog
+M: Halil Pasic <pasic@linux.ibm.com>
+M: Christian Borntraeger <borntraeger@linux.ibm.com>
+S: Supported
+F: hw/watchdog/wdt_diag288.c
+F: include/hw/watchdog/wdt_diag288.h
+L: qemu-s390x@nongnu.org
+
+S390 storage key device
+M: Halil Pasic <pasic@linux.ibm.com>
+M: Christian Borntraeger <borntraeger@linux.ibm.com>
+S: Supported
+F: hw/s390x/storage-keys.h
+F: hw/390x/s390-skeys*.c
+L: qemu-s390x@nongnu.org
+
+S390 storage attribute device
+M: Halil Pasic <pasic@linux.ibm.com>
+M: Christian Borntraeger <borntraeger@linux.ibm.com>
+S: Supported
+F: hw/s390x/storage-attributes.h
+F: hw/s390/s390-stattrib*.c
+L: qemu-s390x@nongnu.org
+
+S390 floating interrupt controller
+M: Halil Pasic <pasic@linux.ibm.com>
+M: Christian Borntraeger <borntraeger@linux.ibm.com>
+M: David Hildenbrand <david@redhat.com>
+S: Supported
+F: hw/intc/s390_flic*.c
+F: include/hw/s390x/s390_flic.h
+L: qemu-s390x@nongnu.org
+
Subsystems
----------
Overall Audio backends
--
2.41.0

15
SOURCES/kvm-RHEL-Enable-x-not-migrate-acpi-index-for-all-pre-RHE.patch
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@ -1,18 +1,19 @@
From adbbc64db535d84fc24b576888f834841f54e8d3 Mon Sep 17 00:00:00 2001 From f1480fe9a4054113ddacd218961e29f31c33d329 Mon Sep 17 00:00:00 2001
From: Peter Xu <peterx@redhat.com> From: Peter Xu <peterx@redhat.com>
Date: Wed, 6 Sep 2023 16:29:23 -0400 Date: Wed, 6 Sep 2023 16:29:23 -0400
Subject: [PATCH 2/2] RHEL: Enable "x-not-migrate-acpi-index" for all pre-RHEL8 Subject: [PATCH 2/3] RHEL: Enable "x-not-migrate-acpi-index" for all pre-RHEL8
guests guests
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
RH-Author: Peter Xu <peterx@redhat.com> RH-Author: Peter Xu <peterx@redhat.com>
RH-MergeRequest: 317: acpi: fix acpi_index migration RH-MergeRequest: 343: acpi: fix acpi_index migration
RH-Jira: RHEL-2186 RH-Jira: RHEL-20189
RH-Acked-by: Ani Sinha <None>
RH-Acked-by: Leonardo Brás <leobras@redhat.com> RH-Acked-by: Leonardo Brás <leobras@redhat.com>
RH-Commit: [2/2] 961eee71e6f563aadf4a93082cd384d765d3e73b RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
RH-Acked-by: Prasad Pandit <None>
RH-Commit: [2/2] 0a26a71236e68dd7feb5d2063254090e3852d6ba
The acpi index migration is simply broken before for all pre-RHEL8 The acpi index migration is simply broken before for all pre-RHEL8
branches. Don't migrate it for all of them. branches. Don't migrate it for all of them.
@ -38,5 +39,5 @@ index 2724f6848a..6650a3d7b7 100644
const size_t hw_compat_rhel_8_6_len = G_N_ELEMENTS(hw_compat_rhel_8_6); const size_t hw_compat_rhel_8_6_len = G_N_ELEMENTS(hw_compat_rhel_8_6);
-- --
2.37.3 2.41.0

15
SOURCES/kvm-acpi-fix-acpi_index-migration.patch
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@ -1,17 +1,18 @@
From 997516a14cb8811558f4db1710e728007a3b53fb Mon Sep 17 00:00:00 2001 From 3deffc03c2e9b0053eec5aeb5b5d633dfe29f499 Mon Sep 17 00:00:00 2001
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com> From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Date: Wed, 6 Apr 2022 14:58:12 -0400 Date: Wed, 6 Apr 2022 14:58:12 -0400
Subject: [PATCH 1/2] acpi: fix acpi_index migration Subject: [PATCH 1/3] acpi: fix acpi_index migration
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
RH-Author: Peter Xu <peterx@redhat.com> RH-Author: Peter Xu <peterx@redhat.com>
RH-MergeRequest: 317: acpi: fix acpi_index migration RH-MergeRequest: 343: acpi: fix acpi_index migration
RH-Jira: RHEL-2186 RH-Jira: RHEL-20189
RH-Acked-by: Ani Sinha <None>
RH-Acked-by: Leonardo Brás <leobras@redhat.com> RH-Acked-by: Leonardo Brás <leobras@redhat.com>
RH-Commit: [1/2] e49dace989531e940dca1c6e9df5f75ebee411a2 RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
RH-Acked-by: Prasad Pandit <None>
RH-Commit: [1/2] c5b9cdf5791cd856207b7df7e2ef5df360ec8de4
vmstate_acpi_pcihp_use_acpi_index() was expecting AcpiPciHpState vmstate_acpi_pcihp_use_acpi_index() was expecting AcpiPciHpState
as state but it actually received PIIX4PMState, because as state but it actually received PIIX4PMState, because
@ -160,5 +161,5 @@ index af1a169fc3..7e268c2c9c 100644
VMSTATE_UINT32_TEST(pcihp.hotplug_select, state, \ VMSTATE_UINT32_TEST(pcihp.hotplug_select, state, \
test_pcihp), \ test_pcihp), \
-- --
2.37.3 2.41.0

18
SOURCES/kvm-dump-Add-arch-cleanup-function.patch
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@ -1,19 +1,19 @@
From fcae66b573ba4b4ddaea9a067703f3292c4e7e87 Mon Sep 17 00:00:00 2001 From 837e09b1a8a38b53488f59aad090fbe6bb94e257 Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com> From: Thomas Huth <thuth@redhat.com>
Date: Thu, 23 Nov 2023 14:42:00 +0100 Date: Fri, 17 Nov 2023 11:32:37 +0100
Subject: [PATCH 4/5] dump: Add arch cleanup function Subject: [PATCH 2/3] dump: Add arch cleanup function
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com> RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 328: Fix problem that secure execution guest remains in "paused" state after failed dump [8.9.z] RH-MergeRequest: 323: Fix problem that secure execution guest might remain in "paused" state after failed dump
RH-Jira: RHEL-17253 RH-Jira: RHEL-16696
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com> RH-Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
RH-Commit: [2/3] 4e9640c7dd37155fec6fb6747d212b9862da53ee RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Commit: [2/3] b70f406dec88ffd4877f3d5d580fc8f821bdb252
JIRA: https://issues.redhat.com/browse/RHEL-17253 JIRA: https://issues.redhat.com/browse/RHEL-16696
commit e72629e5149aba6f44122ea6d2a803ef136a0c6b commit e72629e5149aba6f44122ea6d2a803ef136a0c6b
Author: Janosch Frank <frankja@linux.ibm.com> Author: Janosch Frank <frankja@linux.ibm.com>
@ -65,5 +65,5 @@ index 59bbc9be38..743916e46c 100644
struct GuestPhysBlockList; /* memory_mapping.h */ struct GuestPhysBlockList; /* memory_mapping.h */
-- --
2.41.0 2.39.3

105
SOURCES/kvm-glib-compat-Introduce-g_memdup2-wrapper.patch
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@ -0,0 +1,105 @@
From 939c75ab92ac608893cad0e46f55527950518a57 Mon Sep 17 00:00:00 2001
From: Jon Maloy <jmaloy@redhat.com>
Date: Tue, 5 Mar 2024 11:36:15 -0500
Subject: [PATCH 1/3] glib-compat: Introduce g_memdup2() wrapper
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Jon Maloy <jmaloy@redhat.com>
RH-MergeRequest: 353: ui/clipboard: mark type as not available when there is no data
RH-Jira: RHEL-19628
RH-Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
RH-Acked-by: Gerd Hoffmann <None>
RH-Commit: [1/2] f401c63303ef558bfcbb36e4c8fcc8bf2b1c3eb4 (redhat/rhel/src/qemu-kvm/jons-qemu-kvm-2)
JIRA: https://issues.redhat.com/browse/RHEL-19628
CVE: CVE-2023-6683
Upstream: Merged
commit 2c674fada72079583a3f2cc1790b16a0259c4fa0
Author: Philippe Mathieu-Daudé <philmd@linaro.org>
Date: Fri Sep 3 19:44:44 2021 +0200
glib-compat: Introduce g_memdup2() wrapper
When experimenting raising GLIB_VERSION_MIN_REQUIRED to 2.68
(Fedora 34 provides GLib 2.68.1) we get:
hw/virtio/virtio-crypto.c:245:24: error: 'g_memdup' is deprecated: Use 'g_memdup2' instead [-Werror,-Wdeprecated-declarations]
...
g_memdup() has been updated by g_memdup2() to fix eventual security
issues (size argument is 32-bit and could be truncated / wrapping).
GLib recommends to copy their static inline version of g_memdup2():
https://discourse.gnome.org/t/port-your-module-from-g-memdup-to-g-memdup2-now/5538
Our glib-compat.h provides a comment explaining how to deal with
these deprecated declarations (see commit e71e8cc0355
"glib: enforce the minimum required version and warn about old APIs").
Following this comment suggestion, implement the g_memdup2_qemu()
wrapper to g_memdup2(), and use the safer equivalent inlined when
we are using pre-2.68 GLib.
Reported-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210903174510.751630-3-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Jon Maloy <jmaloy@redhat.com>
---
include/glib-compat.h | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/include/glib-compat.h b/include/glib-compat.h
index 9e95c888f5..8d01a8c01f 100644
--- a/include/glib-compat.h
+++ b/include/glib-compat.h
@@ -68,6 +68,43 @@
* without generating warnings.
*/
+/*
+ * g_memdup2_qemu:
+ * @mem: (nullable): the memory to copy.
+ * @byte_size: the number of bytes to copy.
+ *
+ * Allocates @byte_size bytes of memory, and copies @byte_size bytes into it
+ * from @mem. If @mem is %NULL it returns %NULL.
+ *
+ * This replaces g_memdup(), which was prone to integer overflows when
+ * converting the argument from a #gsize to a #guint.
+ *
+ * This static inline version is a backport of the new public API from
+ * GLib 2.68, kept internal to GLib for backport to older stable releases.
+ * See https://gitlab.gnome.org/GNOME/glib/-/issues/2319.
+ *
+ * Returns: (nullable): a pointer to the newly-allocated copy of the memory,
+ * or %NULL if @mem is %NULL.
+ */
+static inline gpointer g_memdup2_qemu(gconstpointer mem, gsize byte_size)
+{
+#if GLIB_CHECK_VERSION(2, 68, 0)
+ return g_memdup2(mem, byte_size);
+#else
+ gpointer new_mem;
+
+ if (mem && byte_size != 0) {
+ new_mem = g_malloc(byte_size);
+ memcpy(new_mem, mem, byte_size);
+ } else {
+ new_mem = NULL;
+ }
+
+ return new_mem;
+#endif
+}
+#define g_memdup2(m, s) g_memdup2_qemu(m, s)
+
#if defined(G_OS_UNIX)
/*
* Note: The fallback implementation is not MT-safe, and it returns a copy of
--
2.41.0

119
SOURCES/kvm-hw-arm-virt-Do-not-load-efi-virtio.rom-for-all-virti.patch
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@ -0,0 +1,119 @@
From 4f6f881de10e31cac4636d5fde4b7ed4c8affadb Mon Sep 17 00:00:00 2001
From: Eric Auger <eric.auger@redhat.com>
Date: Thu, 4 Jan 2024 12:02:31 +0100
Subject: [PATCH 3/3] hw/arm/virt: Do not load efi-virtio.rom for all
virtio-net-pci variants
RH-Author: Eric Auger <eric.auger@redhat.com>
RH-MergeRequest: 344: hw/arm/virt: Do not load efi-virtio.rom for any virtio-net-pci variants
RH-Jira: RHEL-14870
RH-Acked-by: Gerd Hoffmann <None>
RH-Acked-by: Sebastian Ott <None>
RH-Commit: [1/1] ffeaa78ad0a1cff5b49009dfb32d25e5cadc0e05
Upstream: RHEL-only
Brew: http://brewweb.engineering.redhat.com/brew/taskinfo?taskID=5785640
Currently arm_rhel_compat just sets the romfile to "" for
virtio-net-pci and not for transitional and non transitional
variants. However, on aarch64 RHEL, efi-virtio.rom is not
shipped so transitional and non-transitional variants cannot
be used and the following error is obeserved:
"Could not open option rom 'efi-virtio.rom': No such file or directory"
In practice, we do not need any rom file for those virtio-net-pci
variants either because edk2 already brings the full functionality.
So let's change the applied compat to cover all the variants. While
at it also change the way arm_rhel_compat is applied. Instead of
applying it from the latest _virt_options(), which is error prone
when upgrading the machine type, let's apply it before calling
*virt_options in the non abstract machine class. That way the setting
will apply to any machine type without any need to add it in any
future machine types.
We don't really care keeping non void romfiles for transitional and
non transitional devices on previous machine types because this
was not working anyway.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
hw/arm/virt.c | 42 ++++++++++++++++++++++++++++--------------
1 file changed, 28 insertions(+), 14 deletions(-)
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index dbf0a6d62f..46c72a9611 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -108,11 +108,39 @@
DEFINE_VIRT_MACHINE_LATEST(major, minor, false)
#endif /* disabled for RHEL */
+/*
+ * This variable is for changes to properties that are RHEL specific,
+ * different to the current upstream and to be applied to the latest
+ * machine type. They may be overriden by older machine compats.
+ *
+ * virtio-net-pci variant romfiles are not needed because edk2 does
+ * fully support the pxe boot. Besides virtio romfiles are not shipped
+ * on rhel/aarch64.
+ */
+GlobalProperty arm_rhel_compat[] = {
+ {"virtio-net-pci", "romfile", "" },
+ {"virtio-net-pci-transitional", "romfile", "" },
+ {"virtio-net-pci-non-transitional", "romfile", "" },
+};
+const size_t arm_rhel_compat_len = G_N_ELEMENTS(arm_rhel_compat);
+
+/*
+ * This cannot be called from the rhel_virt_class_init() because
+ * TYPE_RHEL_MACHINE is abstract and mc->compat_props g_ptr_array_new()
+ * only is called on virt-rhelm.n.s non abstract class init.
+ */
+static void arm_rhel_compat_set(MachineClass *mc)
+{
+ compat_props_add(mc->compat_props, arm_rhel_compat,
+ arm_rhel_compat_len);
+}
+
#define DEFINE_RHEL_MACHINE_LATEST(m, n, s, latest) \
static void rhel##m##n##s##_virt_class_init(ObjectClass *oc, \
void *data) \
{ \
MachineClass *mc = MACHINE_CLASS(oc); \
+ arm_rhel_compat_set(mc); \
rhel##m##n##s##_virt_options(mc); \
mc->desc = "RHEL " # m "." # n "." # s " ARM Virtual Machine"; \
if (latest) { \
@@ -136,19 +164,6 @@
#define DEFINE_RHEL_MACHINE(major, minor, subminor) \
DEFINE_RHEL_MACHINE_LATEST(major, minor, subminor, false)
-/* This variable is for changes to properties that are RHEL specific,
- * different to the current upstream and to be applied to the latest
- * machine type.
- */
-GlobalProperty arm_rhel_compat[] = {
- {
- .driver = "virtio-net-pci",
- .property = "romfile",
- .value = "",
- },
-};
-const size_t arm_rhel_compat_len = G_N_ELEMENTS(arm_rhel_compat);
-
/* Number of external interrupt lines to configure the GIC with */
#define NUM_IRQS 256
@@ -3240,7 +3255,6 @@ type_init(rhel_machine_init);
static void rhel860_virt_options(MachineClass *mc)
{
- compat_props_add(mc->compat_props, arm_rhel_compat, arm_rhel_compat_len);
}
DEFINE_RHEL_MACHINE_AS_LATEST(8, 6, 0)
--
2.41.0

128
SOURCES/kvm-hw-ide-reset-cancel-async-DMA-operation-before-reset.patch
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From 2308abf0c5da2fe35a0721318c31d22e077663c2 Mon Sep 17 00:00:00 2001
From: Jon Maloy <jmaloy@redhat.com>
Date: Fri, 24 Nov 2023 12:17:11 -0500
Subject: [PATCH 1/2] hw/ide: reset: cancel async DMA operation before
resetting state
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Jon Maloy <jmaloy@redhat.com>
RH-MergeRequest: 335: hw/ide: reset: cancel async DMA operation before resetting state
RH-Jira: RHEL-15437
RH-Acked-by: Hanna Czenczek <hreitz@redhat.com>
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
RH-Commit: [1/2] b0f5f7f888559a210f1c6b3c545e337dbbc9cf22 (redhat/rhel/src/qemu-kvm/jons-qemu-kvm-2)
JIRA: https://issues.redhat.com/browse/RHEL-15437
CVE: CVE-2023-5088
Upstream: Merged
commit 7d7512019fc40c577e2bdd61f114f31a9eb84a8e
Author: Fiona Ebner <f.ebner@proxmox.com>
Date: Wed Sep 6 15:09:21 2023 +0200
hw/ide: reset: cancel async DMA operation before resetting state
If there is a pending DMA operation during ide_bus_reset(), the fact
that the IDEState is already reset before the operation is canceled
can be problematic. In particular, ide_dma_cb() might be called and
then use the reset IDEState which contains the signature after the
reset. When used to construct the IO operation this leads to
ide_get_sector() returning 0 and nsector being 1. This is particularly
bad, because a write command will thus destroy the first sector which
often contains a partition table or similar.
Traces showing the unsolicited write happening with IDEState
0x5595af6949d0 being used after reset:
> ahci_port_write ahci(0x5595af6923f0)[0]: port write [reg:PxSCTL] @ 0x2c: 0x00000300
> ahci_reset_port ahci(0x5595af6923f0)[0]: reset port
> ide_reset IDEstate 0x5595af6949d0
> ide_reset IDEstate 0x5595af694da8
> ide_bus_reset_aio aio_cancel
> dma_aio_cancel dbs=0x7f64600089a0
> dma_blk_cb dbs=0x7f64600089a0 ret=0
> dma_complete dbs=0x7f64600089a0 ret=0 cb=0x5595acd40b30
> ahci_populate_sglist ahci(0x5595af6923f0)[0]
> ahci_dma_prepare_buf ahci(0x5595af6923f0)[0]: prepare buf limit=512 prepared=512
> ide_dma_cb IDEState 0x5595af6949d0; sector_num=0 n=1 cmd=DMA WRITE
> dma_blk_io dbs=0x7f6420802010 bs=0x5595ae2c6c30 offset=0 to_dev=1
> dma_blk_cb dbs=0x7f6420802010 ret=0
> (gdb) p *qiov
> $11 = {iov = 0x7f647c76d840, niov = 1, {{nalloc = 1, local_iov = {iov_base = 0x0,
> iov_len = 512}}, {__pad = "\001\000\000\000\000\000\000\000\000\000\000",
> size = 512}}}
> (gdb) bt
> #0 blk_aio_pwritev (blk=0x5595ae2c6c30, offset=0, qiov=0x7f6420802070, flags=0,
> cb=0x5595ace6f0b0 <dma_blk_cb>, opaque=0x7f6420802010)
> at ../block/block-backend.c:1682
> #1 0x00005595ace6f185 in dma_blk_cb (opaque=0x7f6420802010, ret=<optimized out>)
> at ../softmmu/dma-helpers.c:179
> #2 0x00005595ace6f778 in dma_blk_io (ctx=0x5595ae0609f0,
> sg=sg@entry=0x5595af694d00, offset=offset@entry=0, align=align@entry=512,
> io_func=io_func@entry=0x5595ace6ee30 <dma_blk_write_io_func>,
> io_func_opaque=io_func_opaque@entry=0x5595ae2c6c30,
> cb=0x5595acd40b30 <ide_dma_cb>, opaque=0x5595af6949d0,
> dir=DMA_DIRECTION_TO_DEVICE) at ../softmmu/dma-helpers.c:244
> #3 0x00005595ace6f90a in dma_blk_write (blk=0x5595ae2c6c30,
> sg=sg@entry=0x5595af694d00, offset=offset@entry=0, align=align@entry=512,
> cb=cb@entry=0x5595acd40b30 <ide_dma_cb>, opaque=opaque@entry=0x5595af6949d0)
> at ../softmmu/dma-helpers.c:280
> #4 0x00005595acd40e18 in ide_dma_cb (opaque=0x5595af6949d0, ret=<optimized out>)
> at ../hw/ide/core.c:953
> #5 0x00005595ace6f319 in dma_complete (ret=0, dbs=0x7f64600089a0)
> at ../softmmu/dma-helpers.c:107
> #6 dma_blk_cb (opaque=0x7f64600089a0, ret=0) at ../softmmu/dma-helpers.c:127
> #7 0x00005595ad12227d in blk_aio_complete (acb=0x7f6460005b10)
> at ../block/block-backend.c:1527
> #8 blk_aio_complete (acb=0x7f6460005b10) at ../block/block-backend.c:1524
> #9 blk_aio_write_entry (opaque=0x7f6460005b10) at ../block/block-backend.c:1594
> #10 0x00005595ad258cfb in coroutine_trampoline (i0=<optimized out>,
> i1=<optimized out>) at ../util/coroutine-ucontext.c:177
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: simon.rowe@nutanix.com
Message-ID: <20230906130922.142845-1-f.ebner@proxmox.com>
Signed-off-by: Jon Maloy <jmaloy@redhat.com>
---
hw/ide/core.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/hw/ide/core.c b/hw/ide/core.c
index 05a32d0a99..fd50c123e8 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -2456,19 +2456,19 @@ static void ide_dummy_transfer_stop(IDEState *s)
void ide_bus_reset(IDEBus *bus)
{
- bus->unit = 0;
- bus->cmd = 0;
- ide_reset(&bus->ifs[0]);
- ide_reset(&bus->ifs[1]);
- ide_clear_hob(bus);
-
- /* pending async DMA */
+ /* pending async DMA - needs the IDEState before it is reset */
if (bus->dma->aiocb) {
trace_ide_bus_reset_aio();
blk_aio_cancel(bus->dma->aiocb);
bus->dma->aiocb = NULL;
}
+ bus->unit = 0;
+ bus->cmd = 0;
+ ide_reset(&bus->ifs[0]);
+ ide_reset(&bus->ifs[1]);
+ ide_clear_hob(bus);
+
/* reset dma provider too */
if (bus->dma->ops->reset) {
bus->dma->ops->reset(bus->dma);
--
2.41.0

283
SOURCES/kvm-hw-s390x-Move-KVM-specific-PV-from-hw-to-target-s390.patch
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@ -0,0 +1,283 @@
From 59f02a421ecdba6e856597367020926fc0cb5177 Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com>
Date: Mon, 15 Jan 2024 18:52:30 +0100
Subject: [PATCH 4/5] hw/s390x: Move KVM specific PV from hw/ to
target/s390x/kvm/
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 348: s390x: Provide some more useful information if decryption of a PV image fails
RH-Jira: RHEL-18214
RH-Acked-by: Jon Maloy <jmaloy@redhat.com>
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Commit: [4/5] f6095bfdb89268007a0741665284955db4752d46
JIRA: https://issues.redhat.com/browse/RHEL-18214
commit f5f9c6ea11bc807664fdeb9354915c2c9cdcbd89
Author: Philippe Mathieu-Daudé <philmd@linaro.org>
Date: Sat Jun 24 22:06:44 2023 +0200
hw/s390x: Move KVM specific PV from hw/ to target/s390x/kvm/
Protected Virtualization (PV) is not a real hardware device:
it is a feature of the firmware on s390x that is exposed to
userspace via the KVM interface.
Move the pv.c/pv.h files to target/s390x/kvm/ to make this clearer.
Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230624200644.23931-1-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Conflicts:
hw/s390x/ipl.c
hw/s390x/s390-virtio-ccw.c
target/s390x/diag.c
(simple contextual conflict due to differce with #include statements)
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
MAINTAINERS | 2 --
hw/s390x/ipl.c | 2 +-
hw/s390x/meson.build | 1 -
hw/s390x/s390-pci-kvm.c | 2 +-
hw/s390x/s390-virtio-ccw.c | 2 +-
hw/s390x/tod-kvm.c | 2 +-
target/s390x/arch_dump.c | 2 +-
target/s390x/cpu-sysemu.c | 2 +-
target/s390x/cpu_features.c | 2 +-
target/s390x/cpu_models.c | 2 +-
target/s390x/diag.c | 2 +-
target/s390x/helper.c | 2 +-
target/s390x/ioinst.c | 2 +-
target/s390x/kvm/kvm.c | 2 +-
target/s390x/kvm/meson.build | 1 +
{hw/s390x => target/s390x/kvm}/pv.c | 2 +-
{include/hw/s390x => target/s390x/kvm}/pv.h | 0
17 files changed, 14 insertions(+), 16 deletions(-)
rename {hw/s390x => target/s390x/kvm}/pv.c (99%)
rename {include/hw/s390x => target/s390x/kvm}/pv.h (100%)
diff --git a/MAINTAINERS b/MAINTAINERS
index b893206fc3..d74ca51154 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -397,8 +397,6 @@ S: Supported
F: target/s390x/kvm/
F: target/s390x/machine.c
F: target/s390x/sigp.c
-F: hw/s390x/pv.c
-F: include/hw/s390x/pv.h
F: gdb-xml/s390*.xml
T: git https://github.com/borntraeger/qemu.git s390-next
L: qemu-s390x@nongnu.org
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
index 9051d8652d..c25e247426 100644
--- a/hw/s390x/ipl.c
+++ b/hw/s390x/ipl.c
@@ -27,7 +27,7 @@
#include "hw/s390x/vfio-ccw.h"
#include "hw/s390x/css.h"
#include "hw/s390x/ebcdic.h"
-#include "hw/s390x/pv.h"
+#include "target/s390x/kvm/pv.h"
#include "ipl.h"
#include "qemu/error-report.h"
#include "qemu/config-file.h"
diff --git a/hw/s390x/meson.build b/hw/s390x/meson.build
index 6e6e47fcda..bb3b42f613 100644
--- a/hw/s390x/meson.build
+++ b/hw/s390x/meson.build
@@ -22,7 +22,6 @@ s390x_ss.add(when: 'CONFIG_KVM', if_true: files(
'tod-kvm.c',
's390-skeys-kvm.c',
's390-stattrib-kvm.c',
- 'pv.c',
's390-pci-kvm.c',
))
s390x_ss.add(when: 'CONFIG_TCG', if_true: files(
diff --git a/hw/s390x/s390-pci-kvm.c b/hw/s390x/s390-pci-kvm.c
index 9134fe185f..ff41e4106d 100644
--- a/hw/s390x/s390-pci-kvm.c
+++ b/hw/s390x/s390-pci-kvm.c
@@ -14,7 +14,7 @@
#include <linux/kvm.h>
#include "kvm/kvm_s390x.h"
-#include "hw/s390x/pv.h"
+#include "target/s390x/kvm/pv.h"
#include "hw/s390x/s390-pci-bus.h"
#include "hw/s390x/s390-pci-kvm.h"
#include "hw/s390x/s390-pci-inst.h"
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 17146469ee..7bfa5b4e8f 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -40,7 +40,7 @@
#include "hw/qdev-properties.h"
#include "hw/s390x/tod.h"
#include "sysemu/sysemu.h"
-#include "hw/s390x/pv.h"
+#include "target/s390x/kvm/pv.h"
#include "migration/blocker.h"
#include "qapi/visitor.h"
diff --git a/hw/s390x/tod-kvm.c b/hw/s390x/tod-kvm.c
index c804c979b5..9776cda50a 100644
--- a/hw/s390x/tod-kvm.c
+++ b/hw/s390x/tod-kvm.c
@@ -13,7 +13,7 @@
#include "qemu/module.h"
#include "sysemu/runstate.h"
#include "hw/s390x/tod.h"
-#include "hw/s390x/pv.h"
+#include "target/s390x/kvm/pv.h"
#include "kvm/kvm_s390x.h"
static void kvm_s390_get_tod_raw(S390TOD *tod, Error **errp)
diff --git a/target/s390x/arch_dump.c b/target/s390x/arch_dump.c
index 3b1f178dc3..2554238c16 100644
--- a/target/s390x/arch_dump.c
+++ b/target/s390x/arch_dump.c
@@ -17,8 +17,8 @@
#include "s390x-internal.h"
#include "elf.h"
#include "sysemu/dump.h"
-#include "hw/s390x/pv.h"
#include "kvm/kvm_s390x.h"
+#include "target/s390x/kvm/pv.h"
struct S390xUserRegsStruct {
uint64_t psw[2];
diff --git a/target/s390x/cpu-sysemu.c b/target/s390x/cpu-sysemu.c
index 5471e01ee8..547287a949 100644
--- a/target/s390x/cpu-sysemu.c
+++ b/target/s390x/cpu-sysemu.c
@@ -32,7 +32,7 @@
#include "qapi/qapi-visit-run-state.h"
#include "sysemu/hw_accel.h"
-#include "hw/s390x/pv.h"
+#include "target/s390x/kvm/pv.h"
#include "hw/boards.h"
#include "sysemu/sysemu.h"
#include "sysemu/tcg.h"
diff --git a/target/s390x/cpu_features.c b/target/s390x/cpu_features.c
index 2e4e11d264..ebb155ce1c 100644
--- a/target/s390x/cpu_features.c
+++ b/target/s390x/cpu_features.c
@@ -15,7 +15,7 @@
#include "qemu/module.h"
#include "cpu_features.h"
#ifndef CONFIG_USER_ONLY
-#include "hw/s390x/pv.h"
+#include "target/s390x/kvm/pv.h"
#endif
#define DEF_FEAT(_FEAT, _NAME, _TYPE, _BIT, _DESC) \
diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c
index e7c586c76e..100c5e7b3a 100644
--- a/target/s390x/cpu_models.c
+++ b/target/s390x/cpu_models.c
@@ -22,7 +22,7 @@
#include "qemu/qemu-print.h"
#ifndef CONFIG_USER_ONLY
#include "sysemu/sysemu.h"
-#include "hw/s390x/pv.h"
+#include "target/s390x/kvm/pv.h"
#endif
#define CPUDEF_INIT(_type, _gen, _ec_ga, _mha_pow, _hmfai, _name, _desc) \
diff --git a/target/s390x/diag.c b/target/s390x/diag.c
index 76b01dcd68..7c8714cc27 100644
--- a/target/s390x/diag.c
+++ b/target/s390x/diag.c
@@ -19,9 +19,9 @@
#include "sysemu/cpus.h"
#include "hw/s390x/ipl.h"
#include "hw/s390x/s390-virtio-ccw.h"
-#include "hw/s390x/pv.h"
#include "sysemu/kvm.h"
#include "kvm/kvm_s390x.h"
+#include "target/s390x/kvm/pv.h"
int handle_diag_288(CPUS390XState *env, uint64_t r1, uint64_t r3)
{
diff --git a/target/s390x/helper.c b/target/s390x/helper.c
index 6e35473c7f..860977126a 100644
--- a/target/s390x/helper.c
+++ b/target/s390x/helper.c
@@ -24,7 +24,7 @@
#include "exec/gdbstub.h"
#include "qemu/timer.h"
#include "hw/s390x/ioinst.h"
-#include "hw/s390x/pv.h"
+#include "target/s390x/kvm/pv.h"
#include "sysemu/hw_accel.h"
#include "sysemu/runstate.h"
#include "sysemu/tcg.h"
diff --git a/target/s390x/ioinst.c b/target/s390x/ioinst.c
index bdae5090bc..409f3e3e63 100644
--- a/target/s390x/ioinst.c
+++ b/target/s390x/ioinst.c
@@ -16,7 +16,7 @@
#include "hw/s390x/ioinst.h"
#include "trace.h"
#include "hw/s390x/s390-pci-bus.h"
-#include "hw/s390x/pv.h"
+#include "target/s390x/kvm/pv.h"
/* All I/O instructions but chsc use the s format */
static uint64_t get_address_from_regs(CPUS390XState *env, uint32_t ipb,
diff --git a/target/s390x/kvm/kvm.c b/target/s390x/kvm/kvm.c
index a963866ef4..6d1a6324b9 100644
--- a/target/s390x/kvm/kvm.c
+++ b/target/s390x/kvm/kvm.c
@@ -51,7 +51,7 @@
#include "exec/memattrs.h"
#include "hw/s390x/s390-virtio-ccw.h"
#include "hw/s390x/s390-virtio-hcall.h"
-#include "hw/s390x/pv.h"
+#include "target/s390x/kvm/pv.h"
#ifndef DEBUG_KVM
#define DEBUG_KVM 0
diff --git a/target/s390x/kvm/meson.build b/target/s390x/kvm/meson.build
index aef52b6686..739d5b9f54 100644
--- a/target/s390x/kvm/meson.build
+++ b/target/s390x/kvm/meson.build
@@ -1,5 +1,6 @@
s390x_ss.add(when: 'CONFIG_KVM', if_true: files(
+ 'pv.c',
'kvm.c'
), if_false: files(
'stubs.c'
diff --git a/hw/s390x/pv.c b/target/s390x/kvm/pv.c
similarity index 99%
rename from hw/s390x/pv.c
rename to target/s390x/kvm/pv.c
index 8a1c71436b..e14db4f41a 100644
--- a/hw/s390x/pv.c
+++ b/target/s390x/kvm/pv.c
@@ -19,9 +19,9 @@
#include "qom/object_interfaces.h"
#include "exec/confidential-guest-support.h"
#include "hw/s390x/ipl.h"
-#include "hw/s390x/pv.h"
#include "hw/s390x/sclp.h"
#include "target/s390x/kvm/kvm_s390x.h"
+#include "target/s390x/kvm/pv.h"
static bool info_valid;
static struct kvm_s390_pv_info_vm info_vm;
diff --git a/include/hw/s390x/pv.h b/target/s390x/kvm/pv.h
similarity index 100%
rename from include/hw/s390x/pv.h
rename to target/s390x/kvm/pv.h
--
2.41.0

100
SOURCES/kvm-hw-s390x-pv-Restrict-Protected-Virtualization-to-sys.patch
Unescape View File

@ -0,0 +1,100 @@
From 053faafcf523b0ea4d841c0af8e7e26a2cddd5e8 Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com>
Date: Mon, 15 Jan 2024 14:00:04 +0100
Subject: [PATCH 3/5] hw/s390x/pv: Restrict Protected Virtualization to sysemu
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 348: s390x: Provide some more useful information if decryption of a PV image fails
RH-Jira: RHEL-18214
RH-Acked-by: Jon Maloy <jmaloy@redhat.com>
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Commit: [3/5] 17b11f9fd2b53c7d33c09a62f28cfca19b18e798
JIRA: https://issues.redhat.com/browse/RHEL-18214
commit 3ea7e312671686e616efa1b8caa5f5ce2d06543a
Author: Philippe Mathieu-Daudé <philmd@linaro.org>
Date: Sat Dec 17 16:24:52 2022 +0100
hw/s390x/pv: Restrict Protected Virtualization to sysemu
Protected Virtualization is irrelevant in user emulation.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221217152454.96388-4-philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
target/s390x/cpu_features.c | 4 ++++
target/s390x/cpu_models.c | 4 +++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/target/s390x/cpu_features.c b/target/s390x/cpu_features.c
index 5528acd082..2e4e11d264 100644
--- a/target/s390x/cpu_features.c
+++ b/target/s390x/cpu_features.c
@@ -14,7 +14,9 @@
#include "qemu/osdep.h"
#include "qemu/module.h"
#include "cpu_features.h"
+#ifndef CONFIG_USER_ONLY
#include "hw/s390x/pv.h"
+#endif
#define DEF_FEAT(_FEAT, _NAME, _TYPE, _BIT, _DESC) \
[S390_FEAT_##_FEAT] = { \
@@ -107,6 +109,7 @@ void s390_fill_feat_block(const S390FeatBitmap features, S390FeatType type,
feat = find_next_bit(features, S390_FEAT_MAX, feat + 1);
}
+#ifndef CONFIG_USER_ONLY
if (!s390_is_pv()) {
return;
}
@@ -147,6 +150,7 @@ void s390_fill_feat_block(const S390FeatBitmap features, S390FeatType type,
default:
return;
}
+#endif
}
void s390_add_from_feat_block(S390FeatBitmap features, S390FeatType type,
diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c
index 454485e706..e7c586c76e 100644
--- a/target/s390x/cpu_models.c
+++ b/target/s390x/cpu_models.c
@@ -22,8 +22,8 @@
#include "qemu/qemu-print.h"
#ifndef CONFIG_USER_ONLY
#include "sysemu/sysemu.h"
-#endif
#include "hw/s390x/pv.h"
+#endif
#define CPUDEF_INIT(_type, _gen, _ec_ga, _mha_pow, _hmfai, _name, _desc) \
{ \
@@ -236,6 +236,7 @@ bool s390_has_feat(S390Feat feat)
return 0;
}
+#ifndef CONFIG_USER_ONLY
if (s390_is_pv()) {
switch (feat) {
case S390_FEAT_DIAG_318:
@@ -259,6 +260,7 @@ bool s390_has_feat(S390Feat feat)
break;
}
}
+#endif
return test_bit(feat, cpu->model->features);
}
--
2.41.0

101
SOURCES/kvm-io-remove-io-watch-if-TLS-channel-is-closed-during-h.patch
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@ -1,101 +0,0 @@
From b96215922bdc4c408f4ba5ac89db17f3855b8620 Mon Sep 17 00:00:00 2001
From: Jon Maloy <jmaloy@redhat.com>
Date: Tue, 15 Aug 2023 00:08:55 +0000
Subject: [PATCH] io: remove io watch if TLS channel is closed during handshake
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Jon Maloy <jmaloy@redhat.com>
RH-MergeRequest: 320: io: remove io watch if TLS channel is closed during handshake
RH-Jira: RHEL-7339
RH-Acked-by: Peter Xu <peterx@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Commit: [1/1] c120fc5e97f76ab4729cef5e3e0e02055928849a (redhat/rhel/src/qemu-kvm/jons-qemu-kvm-2)
CVE: CVE-2023-3354
Upstream: Merged
commit 10be627d2b5ec2d6b3dce045144aa739eef678b4
Author: Daniel P. Berrangé <berrange@redhat.com>
Date: Tue Jun 20 09:45:34 2023 +0100
io: remove io watch if TLS channel is closed during handshake
The TLS handshake make take some time to complete, during which time an
I/O watch might be registered with the main loop. If the owner of the
I/O channel invokes qio_channel_close() while the handshake is waiting
to continue the I/O watch must be removed. Failing to remove it will
later trigger the completion callback which the owner is not expecting
to receive. In the case of the VNC server, this results in a SEGV as
vnc_disconnect_start() tries to shutdown a client connection that is
already gone / NULL.
CVE-2023-3354
Reported-by: jiangyegen <jiangyegen@huawei.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Jon Maloy <jmaloy@redhat.com>
---
include/io/channel-tls.h | 1 +
io/channel-tls.c | 18 ++++++++++++------
2 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/include/io/channel-tls.h b/include/io/channel-tls.h
index 5672479e9e..26c67f17e2 100644
--- a/include/io/channel-tls.h
+++ b/include/io/channel-tls.h
@@ -48,6 +48,7 @@ struct QIOChannelTLS {
QIOChannel *master;
QCryptoTLSSession *session;
QIOChannelShutdown shutdown;
+ guint hs_ioc_tag;
};
/**
diff --git a/io/channel-tls.c b/io/channel-tls.c
index c730cb8ec5..bd79e78837 100644
--- a/io/channel-tls.c
+++ b/io/channel-tls.c
@@ -195,12 +195,13 @@ static void qio_channel_tls_handshake_task(QIOChannelTLS *ioc,
}
trace_qio_channel_tls_handshake_pending(ioc, status);
- qio_channel_add_watch_full(ioc->master,
- condition,
- qio_channel_tls_handshake_io,
- data,
- NULL,
- context);
+ ioc->hs_ioc_tag =
+ qio_channel_add_watch_full(ioc->master,
+ condition,
+ qio_channel_tls_handshake_io,
+ data,
+ NULL,
+ context);
}
}
@@ -215,6 +216,7 @@ static gboolean qio_channel_tls_handshake_io(QIOChannel *ioc,
QIOChannelTLS *tioc = QIO_CHANNEL_TLS(
qio_task_get_source(task));
+ tioc->hs_ioc_tag = 0;
g_free(data);
qio_channel_tls_handshake_task(tioc, task, context);
@@ -375,6 +377,10 @@ static int qio_channel_tls_close(QIOChannel *ioc,
{
QIOChannelTLS *tioc = QIO_CHANNEL_TLS(ioc);
+ if (tioc->hs_ioc_tag) {
+ g_clear_handle_id(&tioc->hs_ioc_tag, g_source_remove);
+ }
+
return qio_channel_close(tioc->master, errp);
}
--
2.39.3

82
SOURCES/kvm-iotests-Make-144-deterministic-again.patch
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@ -0,0 +1,82 @@
From 9b5e69ce5f4ba9541e55d801af16ece4969379e9 Mon Sep 17 00:00:00 2001
From: Kevin Wolf <kwolf@redhat.com>
Date: Fri, 9 Feb 2024 18:31:03 +0100
Subject: [PATCH 4/4] iotests: Make 144 deterministic again
RH-Author: Stefan Hajnoczi <stefanha@redhat.com>
RH-MergeRequest: 352: monitor: only run coroutine commands in qemu_aio_context
RH-Jira: RHEL-7353
RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
RH-Acked-by: Hanna Czenczek <hreitz@redhat.com>
RH-Commit: [4/4] 4974a32174abefb509b7c46671a364b4b991449e
Since commit effd60c8 changed how QMP commands are processed, the order
of the block-commit return value and job events in iotests 144 wasn't
fixed and more and caused the test to fail intermittently.
Change the test to cache events first and then print them in a
predefined order.
Waiting three times for JOB_STATUS_CHANGE is a bit uglier than just
waiting for the JOB_STATUS_CHANGE that has "status": "ready", but the
tooling we have doesn't seem to allow the latter easily.
Fixes: effd60c878176bcaf97fa7ce2b12d04bb8ead6f7
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2126
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20240209173103.239994-1-kwolf@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit cc29c12ec629ba68a4a6cb7d165c94cc8502815a)
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
tests/qemu-iotests/144 | 12 +++++++++++-
tests/qemu-iotests/144.out | 2 +-
2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/tests/qemu-iotests/144 b/tests/qemu-iotests/144
index 60e9ddd75f..8c50d6487e 100755
--- a/tests/qemu-iotests/144
+++ b/tests/qemu-iotests/144
@@ -83,12 +83,22 @@ echo
echo === Performing block-commit on active layer ===
echo
+capture_events="BLOCK_JOB_READY JOB_STATUS_CHANGE"
+
# Block commit on active layer, push the new overlay into base
_send_qemu_cmd $h "{ 'execute': 'block-commit',
'arguments': {
'device': 'virtio0'
}
- }" "READY"
+ }" "return"
+
+_wait_event $h "JOB_STATUS_CHANGE"
+_wait_event $h "JOB_STATUS_CHANGE"
+_wait_event $h "JOB_STATUS_CHANGE"
+
+_wait_event $h "BLOCK_JOB_READY"
+
+capture_events=
_send_qemu_cmd $h "{ 'execute': 'block-job-complete',
'arguments': {
diff --git a/tests/qemu-iotests/144.out b/tests/qemu-iotests/144.out
index b3b4812015..2245ddfa10 100644
--- a/tests/qemu-iotests/144.out
+++ b/tests/qemu-iotests/144.out
@@ -25,9 +25,9 @@ Formatting 'TEST_DIR/tmp.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off co
'device': 'virtio0'
}
}
+{"return": {}}
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "virtio0"}}
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "virtio0"}}
-{"return": {}}
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "virtio0"}}
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "virtio0", "len": 0, "offset": 0, "speed": 0, "type": "commit"}}
{ 'execute': 'block-job-complete',
--
2.39.3

49
SOURCES/kvm-iotests-add-filter_qmp_generated_node_ids.patch
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@ -0,0 +1,49 @@
From f164083416a9d09712b8cb8c654dd3b8988e6c5c Mon Sep 17 00:00:00 2001
From: Stefan Hajnoczi <stefanha@redhat.com>
Date: Thu, 18 Jan 2024 09:48:21 -0500
Subject: [PATCH 1/4] iotests: add filter_qmp_generated_node_ids()
RH-Author: Stefan Hajnoczi <stefanha@redhat.com>
RH-MergeRequest: 352: monitor: only run coroutine commands in qemu_aio_context
RH-Jira: RHEL-7353
RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
RH-Acked-by: Hanna Czenczek <hreitz@redhat.com>
RH-Commit: [1/4] cc276c8ef9e140203afc19fcd8b5b8e20577054d
Add a filter function for QMP responses that contain QEMU's
automatically generated node ids. The ids change between runs and must
be masked in the reference output.
The next commit will use this new function.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20240118144823.1497953-2-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit da62b507a20510d819bcfbe8f5e573409b954006)
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
tests/qemu-iotests/iotests.py | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 2ef493755c..fd41f93421 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -521,6 +521,13 @@ def _filter(_key, value):
def filter_generated_node_ids(msg):
return re.sub("#block[0-9]+", "NODE_NAME", msg)
+def filter_qmp_generated_node_ids(qmsg):
+ def _filter(_key, value):
+ if is_str(value):
+ return filter_generated_node_ids(value)
+ return value
+ return filter_qmp(qmsg, _filter)
+
def filter_img_info(output, filename):
lines = []
for line in output.split('\n'):
--
2.39.3

601
SOURCES/kvm-iotests-port-141-to-Python-for-reliable-QMP-testing.patch
Unescape View File

@ -0,0 +1,601 @@
From 968c8ff7ea7d43bf29d8e5f6e9e17f84168c22c4 Mon Sep 17 00:00:00 2001
From: Stefan Hajnoczi <stefanha@redhat.com>
Date: Thu, 18 Jan 2024 09:48:22 -0500
Subject: [PATCH 2/4] iotests: port 141 to Python for reliable QMP testing
RH-Author: Stefan Hajnoczi <stefanha@redhat.com>
RH-MergeRequest: 352: monitor: only run coroutine commands in qemu_aio_context
RH-Jira: RHEL-7353
RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
RH-Acked-by: Hanna Czenczek <hreitz@redhat.com>
RH-Commit: [2/4] ff0899262544b1b61b4c7de2eb798b664fe5202e
The common.qemu bash functions allow tests to interact with the QMP
monitor of a QEMU process. I spent two days trying to update 141 when
the order of the test output changed, but found it would still fail
occassionally because printf() and QMP events race with synchronous QMP
communication.
I gave up and ported 141 to the existing Python API for QMP tests. The
Python API is less affected by the order in which QEMU prints output
because it does not print all QMP traffic by default.
The next commit changes the order in which QMP messages are received.
Make 141 reliable first.
Cc: Hanna Czenczek <hreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20240118144823.1497953-3-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 9ee2dd4c22a3639c5462b3fc20df60c005c3de64)
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Conflicts:
tests/qemu-iotests/141
tests/qemu-iotests/141.out
This commit replaces these files anyway, so apply our changes instead
of dragging in more dependencies to resolve context conflicts.
---
tests/qemu-iotests/141 | 307 ++++++++++++++++---------------------
tests/qemu-iotests/141.out | 204 ++++++------------------
2 files changed, 178 insertions(+), 333 deletions(-)
diff --git a/tests/qemu-iotests/141 b/tests/qemu-iotests/141
index 115cc1691e..a7d3985a02 100755
--- a/tests/qemu-iotests/141
+++ b/tests/qemu-iotests/141
@@ -1,9 +1,12 @@
-#!/usr/bin/env bash
+#!/usr/bin/env python3
# group: rw auto quick
#
# Test case for ejecting BDSs with block jobs still running on them
#
-# Copyright (C) 2016 Red Hat, Inc.
+# Originally written in bash by Hanna Czenczek, ported to Python by Stefan
+# Hajnoczi.
+#
+# Copyright Red Hat
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -19,177 +22,129 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
-# creator
-owner=mreitz@redhat.com
-
-seq="$(basename $0)"
-echo "QA output created by $seq"
-
-status=1 # failure is the default!
-
-_cleanup()
-{
- _cleanup_qemu
- _cleanup_test_img
- for img in "$TEST_DIR"/{b,m,o}.$IMGFMT; do
- _rm_test_img "$img"
- done
-}
-trap "_cleanup; exit \$status" 0 1 2 3 15
-
-# get standard environment, filters and checks
-. ./common.rc
-. ./common.filter
-. ./common.qemu
-
-# Needs backing file and backing format support
-_supported_fmt qcow2 qed
-_supported_proto file
-_supported_os Linux
-
-
-test_blockjob()
-{
- _send_qemu_cmd $QEMU_HANDLE \
- "{'execute': 'blockdev-add',
- 'arguments': {
- 'node-name': 'drv0',
- 'driver': '$IMGFMT',
- 'file': {
- 'driver': 'file',
- 'filename': '$TEST_IMG'
- }}}" \
- 'return'
-
- # If "$2" is an event, we may or may not see it before the
- # {"return": {}}. Therefore, filter the {"return": {}} out both
- # here and in the next command. (Naturally, if we do not see it
- # here, we will see it before the next command can be executed,
- # so it will appear in the next _send_qemu_cmd's output.)
- _send_qemu_cmd $QEMU_HANDLE \
- "$1" \
- "$2" \
- | _filter_img_create | _filter_qmp_empty_return
-
- # We want this to return an error because the block job is still running
- _send_qemu_cmd $QEMU_HANDLE \
- "{'execute': 'blockdev-del',
- 'arguments': {'node-name': 'drv0'}}" \
- 'error' | _filter_generated_node_ids | _filter_qmp_empty_return
-
- _send_qemu_cmd $QEMU_HANDLE \
- "{'execute': 'block-job-cancel',
- 'arguments': {'device': 'job0'}}" \
- "$3"
-
- _send_qemu_cmd $QEMU_HANDLE \
- "{'execute': 'blockdev-del',
- 'arguments': {'node-name': 'drv0'}}" \
- 'return'
-}
-
-
-TEST_IMG="$TEST_DIR/b.$IMGFMT" _make_test_img 1M
-TEST_IMG="$TEST_DIR/m.$IMGFMT" _make_test_img -b "$TEST_DIR/b.$IMGFMT" -F $IMGFMT 1M
-_make_test_img -b "$TEST_DIR/m.$IMGFMT" 1M -F $IMGFMT
-
-_launch_qemu -nodefaults
-
-_send_qemu_cmd $QEMU_HANDLE \
- "{'execute': 'qmp_capabilities'}" \
- 'return'
-
-echo
-echo '=== Testing drive-backup ==='
-echo
-
-# drive-backup will not send BLOCK_JOB_READY by itself, and cancelling the job
-# will consequently result in BLOCK_JOB_CANCELLED being emitted.
-
-test_blockjob \
- "{'execute': 'drive-backup',
- 'arguments': {'job-id': 'job0',
- 'device': 'drv0',
- 'target': '$TEST_DIR/o.$IMGFMT',
- 'format': '$IMGFMT',
- 'sync': 'none'}}" \
- 'return' \
- '"status": "null"'
-
-echo
-echo '=== Testing drive-mirror ==='
-echo
-
-# drive-mirror will send BLOCK_JOB_READY basically immediately, and cancelling
-# the job will consequently result in BLOCK_JOB_COMPLETED being emitted.
-
-test_blockjob \
- "{'execute': 'drive-mirror',
- 'arguments': {'job-id': 'job0',
- 'device': 'drv0',
- 'target': '$TEST_DIR/o.$IMGFMT',
- 'format': '$IMGFMT',
- 'sync': 'none'}}" \
- 'BLOCK_JOB_READY' \
- '"status": "null"'
-
-echo
-echo '=== Testing active block-commit ==='
-echo
-
-# An active block-commit will send BLOCK_JOB_READY basically immediately, and
-# cancelling the job will consequently result in BLOCK_JOB_COMPLETED being
-# emitted.
-
-test_blockjob \
- "{'execute': 'block-commit',
- 'arguments': {'job-id': 'job0', 'device': 'drv0'}}" \
- 'BLOCK_JOB_READY' \
- '"status": "null"'
-
-echo
-echo '=== Testing non-active block-commit ==='
-echo
-
-# Give block-commit something to work on, otherwise it would be done
-# immediately, send a BLOCK_JOB_COMPLETED and ejecting the BDS would work just
-# fine without the block job still running.
-
-$QEMU_IO -c 'write 0 1M' "$TEST_DIR/m.$IMGFMT" | _filter_qemu_io
-
-test_blockjob \
- "{'execute': 'block-commit',
- 'arguments': {'job-id': 'job0',
- 'device': 'drv0',
- 'top': '$TEST_DIR/m.$IMGFMT',
- 'speed': 1}}" \
- 'return' \
- '"status": "null"'
-
-echo
-echo '=== Testing block-stream ==='
-echo
-
-# Give block-stream something to work on, otherwise it would be done
-# immediately, send a BLOCK_JOB_COMPLETED and ejecting the BDS would work just
-# fine without the block job still running.
-
-$QEMU_IO -c 'write 0 1M' "$TEST_DIR/b.$IMGFMT" | _filter_qemu_io
-
-# With some data to stream (and @speed set to 1), block-stream will not complete
-# until we send the block-job-cancel command.
-
-test_blockjob \
- "{'execute': 'block-stream',
- 'arguments': {'job-id': 'job0',
- 'device': 'drv0',
- 'speed': 1}}" \
- 'return' \
- '"status": "null"'
-
-_cleanup_qemu
-
-# success, all done
-echo "*** done"
-rm -f $seq.full
-status=0
+import iotests
+
+# Common filters to mask values that vary in the test output
+QMP_FILTERS = [iotests.filter_qmp_testfiles, \
+ iotests.filter_qmp_imgfmt]
+
+
+class TestCase:
+ def __init__(self, name, vm, image_path, cancel_event):
+ self.name = name
+ self.vm = vm
+ self.image_path = image_path
+ self.cancel_event = cancel_event
+
+ def __enter__(self):
+ iotests.log(f'=== Testing {self.name} ===')
+ self.vm.qmp_log('blockdev-add', \
+ node_name='drv0', \
+ driver=iotests.imgfmt, \
+ file={'driver': 'file', 'filename': self.image_path}, \
+ filters=QMP_FILTERS)
+
+ def __exit__(self, *exc_details):
+ # This is expected to fail because the job still exists
+ self.vm.qmp_log('blockdev-del', node_name='drv0', \
+ filters=[iotests.filter_qmp_generated_node_ids])
+
+ self.vm.qmp_log('block-job-cancel', device='job0')
+ event = self.vm.event_wait(self.cancel_event)
+ iotests.log(event, filters=[iotests.filter_qmp_event])
+
+ # This time it succeeds
+ self.vm.qmp_log('blockdev-del', node_name='drv0')
+
+ # Separate test cases in output
+ iotests.log('')
+
+
+def main() -> None:
+ with iotests.FilePath('bottom', 'middle', 'top', 'target') as \
+ (bottom_path, middle_path, top_path, target_path), \
+ iotests.VM() as vm:
+
+ iotests.log('Creating bottom <- middle <- top backing file chain...')
+ IMAGE_SIZE='1M'
+ iotests.qemu_img_create('-f', iotests.imgfmt, bottom_path, IMAGE_SIZE)
+ iotests.qemu_img_create('-f', iotests.imgfmt, \
+ '-F', iotests.imgfmt, \
+ '-b', bottom_path, \
+ middle_path, \
+ IMAGE_SIZE)
+ iotests.qemu_img_create('-f', iotests.imgfmt, \
+ '-F', iotests.imgfmt, \
+ '-b', middle_path, \
+ top_path, \
+ IMAGE_SIZE)
+
+ iotests.log('Starting VM...')
+ vm.add_args('-nodefaults')
+ vm.launch()
+
+ # drive-backup will not send BLOCK_JOB_READY by itself, and cancelling
+ # the job will consequently result in BLOCK_JOB_CANCELLED being
+ # emitted.
+ with TestCase('drive-backup', vm, top_path, 'BLOCK_JOB_CANCELLED'):
+ vm.qmp_log('drive-backup', \
+ job_id='job0', \
+ device='drv0', \
+ target=target_path, \
+ format=iotests.imgfmt, \
+ sync='none', \
+ filters=QMP_FILTERS)
+
+ # drive-mirror will send BLOCK_JOB_READY basically immediately, and
+ # cancelling the job will consequently result in BLOCK_JOB_COMPLETED
+ # being emitted.
+ with TestCase('drive-mirror', vm, top_path, 'BLOCK_JOB_COMPLETED'):
+ vm.qmp_log('drive-mirror', \
+ job_id='job0', \
+ device='drv0', \
+ target=target_path, \
+ format=iotests.imgfmt, \
+ sync='none', \
+ filters=QMP_FILTERS)
+ event = vm.event_wait('BLOCK_JOB_READY')
+ assert event is not None # silence mypy
+ iotests.log(event, filters=[iotests.filter_qmp_event])
+
+ # An active block-commit will send BLOCK_JOB_READY basically
+ # immediately, and cancelling the job will consequently result in
+ # BLOCK_JOB_COMPLETED being emitted.
+ with TestCase('active block-commit', vm, top_path, \
+ 'BLOCK_JOB_COMPLETED'):
+ vm.qmp_log('block-commit', \
+ job_id='job0', \
+ device='drv0')
+ event = vm.event_wait('BLOCK_JOB_READY')
+ assert event is not None # silence mypy
+ iotests.log(event, filters=[iotests.filter_qmp_event])
+
+ # Give block-commit something to work on, otherwise it would be done
+ # immediately, send a BLOCK_JOB_COMPLETED and ejecting the BDS would
+ # work just fine without the block job still running.
+ iotests.qemu_io(middle_path, '-c', f'write 0 {IMAGE_SIZE}')
+ with TestCase('non-active block-commit', vm, top_path, \
+ 'BLOCK_JOB_CANCELLED'):
+ vm.qmp_log('block-commit', \
+ job_id='job0', \
+ device='drv0', \
+ top=middle_path, \
+ speed=1, \
+ filters=[iotests.filter_qmp_testfiles])
+
+ # Give block-stream something to work on, otherwise it would be done
+ # immediately, send a BLOCK_JOB_COMPLETED and ejecting the BDS would
+ # work just fine without the block job still running.
+ iotests.qemu_io(bottom_path, '-c', f'write 0 {IMAGE_SIZE}')
+ with TestCase('block-stream', vm, top_path, 'BLOCK_JOB_CANCELLED'):
+ vm.qmp_log('block-stream', \
+ job_id='job0', \
+ device='drv0', \
+ speed=1)
+
+if __name__ == '__main__':
+ iotests.script_main(main, supported_fmts=['qcow2', 'qed'],
+ supported_protocols=['file'])
diff --git a/tests/qemu-iotests/141.out b/tests/qemu-iotests/141.out
index c4c15fb275..91b7ba50af 100644
--- a/tests/qemu-iotests/141.out
+++ b/tests/qemu-iotests/141.out
@@ -1,179 +1,69 @@
-QA output created by 141
-Formatting 'TEST_DIR/b.IMGFMT', fmt=IMGFMT size=1048576
-Formatting 'TEST_DIR/m.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/b.IMGFMT backing_fmt=IMGFMT
-Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/m.IMGFMT backing_fmt=IMGFMT
-{'execute': 'qmp_capabilities'}
-{"return": {}}
-
+Creating bottom <- middle <- top backing file chain...
+Starting VM...
=== Testing drive-backup ===
-
-{'execute': 'blockdev-add',
- 'arguments': {
- 'node-name': 'drv0',
- 'driver': 'IMGFMT',
- 'file': {
- 'driver': 'file',
- 'filename': 'TEST_DIR/t.IMGFMT'
- }}}
-{"return": {}}
-{'execute': 'drive-backup',
-'arguments': {'job-id': 'job0',
-'device': 'drv0',
-'target': 'TEST_DIR/o.IMGFMT',
-'format': 'IMGFMT',
-'sync': 'none'}}
-Formatting 'TEST_DIR/o.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT backing_fmt=IMGFMT
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "paused", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job0"}}
-{'execute': 'blockdev-del',
- 'arguments': {'node-name': 'drv0'}}
+{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top"}, "node-name": "drv0"}}
+{"return": {}}
+{"execute": "drive-backup", "arguments": {"device": "drv0", "format": "IMGFMT", "job-id": "job0", "sync": "none", "target": "TEST_DIR/PID-target"}}
+{"return": {}}
+{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
{"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: node is used as backing hd of 'NODE_NAME'"}}
-{'execute': 'block-job-cancel',
- 'arguments': {'device': 'job0'}}
+{"execute": "block-job-cancel", "arguments": {"device": "job0"}}
{"return": {}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "aborting", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_CANCELLED", "data": {"device": "job0", "len": 1048576, "offset": 0, "speed": 0, "type": "backup"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job0"}}
-{'execute': 'blockdev-del',
- 'arguments': {'node-name': 'drv0'}}
+{"data": {"device": "job0", "len": 1048576, "offset": 0, "speed": 0, "type": "backup"}, "event": "BLOCK_JOB_CANCELLED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
+{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
{"return": {}}
=== Testing drive-mirror ===
-
-{'execute': 'blockdev-add',
- 'arguments': {
- 'node-name': 'drv0',
- 'driver': 'IMGFMT',
- 'file': {
- 'driver': 'file',
- 'filename': 'TEST_DIR/t.IMGFMT'
- }}}
-{"return": {}}
-{'execute': 'drive-mirror',
-'arguments': {'job-id': 'job0',
-'device': 'drv0',
-'target': 'TEST_DIR/o.IMGFMT',
-'format': 'IMGFMT',
-'sync': 'none'}}
-Formatting 'TEST_DIR/o.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT backing_fmt=IMGFMT
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "mirror"}}
-{'execute': 'blockdev-del',
- 'arguments': {'node-name': 'drv0'}}
+{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top"}, "node-name": "drv0"}}
+{"return": {}}
+{"execute": "drive-mirror", "arguments": {"device": "drv0", "format": "IMGFMT", "job-id": "job0", "sync": "none", "target": "TEST_DIR/PID-target"}}
+{"return": {}}
+{"data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "mirror"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
+{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
{"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: block device is in use by block job: mirror"}}
-{'execute': 'block-job-cancel',
- 'arguments': {'device': 'job0'}}
+{"execute": "block-job-cancel", "arguments": {"device": "job0"}}
{"return": {}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "waiting", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "pending", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "mirror"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job0"}}
-{'execute': 'blockdev-del',
- 'arguments': {'node-name': 'drv0'}}
+{"data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "mirror"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
+{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
{"return": {}}
=== Testing active block-commit ===
-
-{'execute': 'blockdev-add',
- 'arguments': {
- 'node-name': 'drv0',
- 'driver': 'IMGFMT',
- 'file': {
- 'driver': 'file',
- 'filename': 'TEST_DIR/t.IMGFMT'
- }}}
-{"return": {}}
-{'execute': 'block-commit',
-'arguments': {'job-id': 'job0', 'device': 'drv0'}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "commit"}}
-{'execute': 'blockdev-del',
- 'arguments': {'node-name': 'drv0'}}
+{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top"}, "node-name": "drv0"}}
+{"return": {}}
+{"execute": "block-commit", "arguments": {"device": "drv0", "job-id": "job0"}}
+{"return": {}}
+{"data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
+{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
{"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: block device is in use by block job: commit"}}
-{'execute': 'block-job-cancel',
- 'arguments': {'device': 'job0'}}
+{"execute": "block-job-cancel", "arguments": {"device": "job0"}}
{"return": {}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "waiting", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "pending", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "commit"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job0"}}
-{'execute': 'blockdev-del',
- 'arguments': {'node-name': 'drv0'}}
+{"data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
+{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
{"return": {}}
=== Testing non-active block-commit ===
-
-wrote 1048576/1048576 bytes at offset 0
-1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-{'execute': 'blockdev-add',
- 'arguments': {
- 'node-name': 'drv0',
- 'driver': 'IMGFMT',
- 'file': {
- 'driver': 'file',
- 'filename': 'TEST_DIR/t.IMGFMT'
- }}}
-{"return": {}}
-{'execute': 'block-commit',
-'arguments': {'job-id': 'job0',
-'device': 'drv0',
-'top': 'TEST_DIR/m.IMGFMT',
-'speed': 1}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job0"}}
-{'execute': 'blockdev-del',
- 'arguments': {'node-name': 'drv0'}}
-{"error": {"class": "GenericError", "desc": "Node drv0 is in use"}}
-{'execute': 'block-job-cancel',
- 'arguments': {'device': 'job0'}}
-{"return": {}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "aborting", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_CANCELLED", "data": {"device": "job0", "len": 1048576, "offset": 524288, "speed": 1, "type": "commit"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job0"}}
-{'execute': 'blockdev-del',
- 'arguments': {'node-name': 'drv0'}}
+{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top"}, "node-name": "drv0"}}
+{"return": {}}
+{"execute": "block-commit", "arguments": {"device": "drv0", "job-id": "job0", "speed": 1, "top": "TEST_DIR/PID-middle"}}
+{"return": {}}
+{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
+{"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: block device is in use by block job: commit"}}
+{"execute": "block-job-cancel", "arguments": {"device": "job0"}}
+{"return": {}}
+{"data": {"device": "job0", "len": 1048576, "offset": 524288, "speed": 1, "type": "commit"}, "event": "BLOCK_JOB_CANCELLED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
+{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
{"return": {}}
=== Testing block-stream ===
-
-wrote 1048576/1048576 bytes at offset 0
-1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-{'execute': 'blockdev-add',
- 'arguments': {
- 'node-name': 'drv0',
- 'driver': 'IMGFMT',
- 'file': {
- 'driver': 'file',
- 'filename': 'TEST_DIR/t.IMGFMT'
- }}}
-{"return": {}}
-{'execute': 'block-stream',
-'arguments': {'job-id': 'job0',
-'device': 'drv0',
-'speed': 1}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job0"}}
-{'execute': 'blockdev-del',
- 'arguments': {'node-name': 'drv0'}}
+{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top"}, "node-name": "drv0"}}
+{"return": {}}
+{"execute": "block-stream", "arguments": {"device": "drv0", "job-id": "job0", "speed": 1}}
+{"return": {}}
+{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
{"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: block device is in use by block job: stream"}}
-{'execute': 'block-job-cancel',
- 'arguments': {'device': 'job0'}}
+{"execute": "block-job-cancel", "arguments": {"device": "job0"}}
{"return": {}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "aborting", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_CANCELLED", "data": {"device": "job0", "len": 1048576, "offset": 524288, "speed": 1, "type": "stream"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job0"}}
-{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job0"}}
-{'execute': 'blockdev-del',
- 'arguments': {'node-name': 'drv0'}}
+{"data": {"device": "job0", "len": 1048576, "offset": 524288, "speed": 1, "type": "stream"}, "event": "BLOCK_JOB_CANCELLED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
+{"execute": "blockdev-del", "arguments": {"node-name": "drv0"}}
{"return": {}}
-*** done
+
--
2.39.3

1569
SOURCES/kvm-monitor-only-run-coroutine-commands-in-qemu_aio_cont.patch
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13
SOURCES/kvm-net-Provide-MemReentrancyGuard-to-qemu_new_nic.patch
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@ -1,16 +1,17 @@
From 6faf4c2a88adb32367e26ef011c002b51a8be4a7 Mon Sep 17 00:00:00 2001 From 2ae925a6d55a77627be8d1146f2b9ed139dbdb77 Mon Sep 17 00:00:00 2001
From: Jon Maloy <jmaloy@redhat.com> From: Jon Maloy <jmaloy@redhat.com>
Date: Thu, 23 Nov 2023 11:30:46 -0500 Date: Thu, 23 Nov 2023 11:30:46 -0500
Subject: [PATCH 1/5] net: Provide MemReentrancyGuard * to qemu_new_nic() Subject: [PATCH 1/4] net: Provide MemReentrancyGuard * to qemu_new_nic()
RH-Author: Jon Maloy <jmaloy@redhat.com> RH-Author: Jon Maloy <jmaloy@redhat.com>
RH-MergeRequest: 332: net: Provide MemReentrancyGuard * to qemu_new_nic() RH-MergeRequest: 331: net: Provide MemReentrancyGuard * to qemu_new_nic()
RH-Jira: RHEL-16095 RH-Jira: RHEL-7309
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com> RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Laurent Vivier <lvivier@redhat.com> RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
RH-Commit: [1/2] 6440d74b952eb0e8e1ab7e18774ed4a12a2eafe2 (redhat/rhel/src/qemu-kvm/jons-qemu-kvm-2) RH-Acked-by: Jason Wang <jasowang@redhat.com>
RH-Commit: [1/2] bc963fb349b90288f547de97a5cbe9a74f856419 (redhat/rhel/src/qemu-kvm/jons-qemu-kvm-2)
Jira: https://issues.redhat.com/browse/RHEL-16095 Jira: https://issues.redhat.com/browse/RHEL-7309
CVE: CVE-2023-3019 CVE: CVE-2023-3019
Upstream: Merged Upstream: Merged
Conflicts: hw/net/hw/net/xen_nic.c seems to have undergone significant changes upstream, Conflicts: hw/net/hw/net/xen_nic.c seems to have undergone significant changes upstream,

13
SOURCES/kvm-net-Update-MemReentrancyGuard-for-NIC.patch
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@ -1,16 +1,17 @@
From 91657da5f5ebadfffe069feedf96342a1dd3d6a6 Mon Sep 17 00:00:00 2001 From d58671091daf8c325a6f1cd87737d94b5fb51d12 Mon Sep 17 00:00:00 2001
From: Jon Maloy <jmaloy@redhat.com> From: Jon Maloy <jmaloy@redhat.com>
Date: Thu, 23 Nov 2023 11:30:46 -0500 Date: Thu, 23 Nov 2023 11:30:46 -0500
Subject: [PATCH 2/5] net: Update MemReentrancyGuard for NIC Subject: [PATCH 2/4] net: Update MemReentrancyGuard for NIC
RH-Author: Jon Maloy <jmaloy@redhat.com> RH-Author: Jon Maloy <jmaloy@redhat.com>
RH-MergeRequest: 332: net: Provide MemReentrancyGuard * to qemu_new_nic() RH-MergeRequest: 331: net: Provide MemReentrancyGuard * to qemu_new_nic()
RH-Jira: RHEL-16095 RH-Jira: RHEL-7309
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com> RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Laurent Vivier <lvivier@redhat.com> RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
RH-Commit: [2/2] 849dd7ccd91e20bd1c700769e299943e2886bf63 (redhat/rhel/src/qemu-kvm/jons-qemu-kvm-2) RH-Acked-by: Jason Wang <jasowang@redhat.com>
RH-Commit: [2/2] b116efe725dd838c2cab9bd2240112f3c6c46d6a (redhat/rhel/src/qemu-kvm/jons-qemu-kvm-2)
Jira: https://issues.redhat.com/browse/RHEL-16095 Jira: https://issues.redhat.com/browse/RHEL-7309
CVE: CVE-2023-3019 CVE: CVE-2023-3019
Upstream: Merged Upstream: Merged

56
SOURCES/kvm-redhat-Update-linux-headers-for-kvm_s390_vm_cpu_uv_f.patch
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@ -0,0 +1,56 @@
From 76e75a129e59a33103aa7d1d92074ddcef556980 Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com>
Date: Tue, 12 Sep 2023 11:24:40 +0200
Subject: [PATCH 3/5] redhat: Update linux-headers for kvm_s390_vm_cpu_uv_feat
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 321: Enable Secure Execution Crypto Passthrough for KVM on s390x
RH-Bugzilla: 2111390
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Commit: [3/5] f1329f5ce5f66033ead7777384dcc1613cad1226
Upstream Status: rhel-only
This hunk is part of upstream commit da3c22c74a3c
("linux-headers: Update to Linux v6.6-rc1"), but since that
commit updates a lot of files and does not apply cleanly,
we only focus on the necessary change here.
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
linux-headers/asm-s390/kvm.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/linux-headers/asm-s390/kvm.h b/linux-headers/asm-s390/kvm.h
index f053b8304a..6706bdc5cc 100644
--- a/linux-headers/asm-s390/kvm.h
+++ b/linux-headers/asm-s390/kvm.h
@@ -158,6 +158,22 @@ struct kvm_s390_vm_cpu_subfunc {
__u8 reserved[1728];
};
+#define KVM_S390_VM_CPU_PROCESSOR_UV_FEAT_GUEST 6
+#define KVM_S390_VM_CPU_MACHINE_UV_FEAT_GUEST 7
+
+#define KVM_S390_VM_CPU_UV_FEAT_NR_BITS 64
+struct kvm_s390_vm_cpu_uv_feat {
+ union {
+ struct {
+ __u64 : 4;
+ __u64 ap : 1; /* bit 4 */
+ __u64 ap_intr : 1; /* bit 5 */
+ __u64 : 58;
+ };
+ __u64 feat;
+ };
+};
+
/* kvm attributes for crypto */
#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0
#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1
--
2.41.0

44
SOURCES/kvm-s390x-ap-fix-missing-subsystem-reset-registration.patch
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@ -0,0 +1,44 @@
From eb60b6cab9550a62f0b20a9e6d69547d651e3020 Mon Sep 17 00:00:00 2001
From: Janosch Frank <frankja@linux.ibm.com>
Date: Wed, 23 Aug 2023 16:22:15 +0200
Subject: [PATCH 1/5] s390x/ap: fix missing subsystem reset registration
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 321: Enable Secure Execution Crypto Passthrough for KVM on s390x
RH-Bugzilla: 2111390
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Commit: [1/5] 4ebe81bb6cc4fc137ca4ebc9c0cebdedc421cc91
A subsystem reset contains a reset of AP resources which has been
missing. Adding the AP bridge to the list of device types that need
reset fixes this issue.
Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com>
Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Fixes: a51b3153 ("s390x/ap: base Adjunct Processor (AP) object model")
Message-ID: <20230823142219.1046522-2-seiden@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit 297ec01f0b9864ea8209ca0ddc6643b4c0574bdb)
---
hw/s390x/s390-virtio-ccw.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 4a7cd21cac..412d73715a 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -100,6 +100,7 @@ static const char *const reset_dev_types[] = {
"s390-flic",
"diag288",
TYPE_S390_PCI_HOST_BRIDGE,
+ TYPE_AP_BRIDGE,
};
static void subsystem_reset(void)
--
2.41.0

68
SOURCES/kvm-s390x-do-a-subsystem-reset-before-the-unprotect-on-r.patch
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From 05b145a8d5b1c2f796069cdd81826c00cf7c983e Mon Sep 17 00:00:00 2001
From: Janosch Frank <frankja@linux.ibm.com>
Date: Fri, 1 Sep 2023 11:48:51 +0000
Subject: [PATCH 2/5] s390x: do a subsystem reset before the unprotect on
reboot
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 321: Enable Secure Execution Crypto Passthrough for KVM on s390x
RH-Bugzilla: 2111390
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Commit: [2/5] ea430d236e1a20ddad7095d2e6d10f741f9a1907
Bound APQNs have to be reset before tearing down the secure config via
s390_machine_unprotect(). Otherwise the Ultravisor will return a error
code.
So let's do a subsystem_reset() which includes a AP reset before the
unprotect call. We'll do a full device_reset() afterwards which will
reset some devices twice. That's ok since we can't move the
device_reset() before the unprotect as it includes a CPU clear reset
which the Ultravisor does not expect at that point in time.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Message-ID: <20230901114851.154357-1-frankja@linux.ibm.com>
Tested-by: Viktor Mihajlovski <mihajlov@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit ef1535901a07f2e49fa25c8bcee7f0b73801d824)
Conflicts:
hw/s390x/s390-virtio-ccw.c
(contextual conflict due to missing commit 7966d70f6f6b)
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
hw/s390x/s390-virtio-ccw.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 412d73715a..17146469ee 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -430,10 +430,20 @@ static void s390_machine_reset(MachineState *machine)
switch (reset_type) {
case S390_RESET_EXTERNAL:
case S390_RESET_REIPL:
+ /*
+ * Reset the subsystem which includes a AP reset. If a PV
+ * guest had APQNs attached the AP reset is a prerequisite to
+ * unprotecting since the UV checks if all APQNs are reset.
+ */
+ subsystem_reset();
if (s390_is_pv()) {
s390_machine_unprotect(ms);
}
+ /*
+ * Device reset includes CPU clear resets so this has to be
+ * done AFTER the unprotect call above.
+ */
qemu_devices_reset();
s390_crypto_reset();
--
2.41.0

106
SOURCES/kvm-s390x-pci-avoid-double-enable-disable-of-aif.patch
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From 52ad0cc8a82f7a4c3581146fb4d2046898163c4e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg@redhat.com>
Date: Tue, 23 Jan 2024 13:59:24 +0100
Subject: [PATCH 1/3] s390x/pci: avoid double enable/disable of aif
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Cédric Le Goater <clg@redhat.com>
RH-MergeRequest: 349: s390x: Fix reset ordering of passthrough ISM devices
RH-Jira: RHEL-22411
RH-Acked-by: Thomas Huth <thuth@redhat.com>
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
RH-Commit: [1/3] 450e4ca607d801bce93415994250374d70fb72f6
JIRA: https://issues.redhat.com/browse/RHEL-22411
commit 07b2c8e034d80ff92e202405c494d2ff80fcf848
Author: Matthew Rosato <mjrosato@linux.ibm.com>
Date: Thu Jan 18 13:51:49 2024 -0500
s390x/pci: avoid double enable/disable of aif
Use a flag to keep track of whether AIF is currently enabled. This can be
used to avoid enabling/disabling AIF multiple times as well as to determine
whether or not it should be disabled during reset processing.
Fixes: d0bc7091c2 ("s390x/pci: enable adapter event notification for interpreted devices")
Reported-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20240118185151.265329-2-mjrosato@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
---
hw/s390x/s390-pci-kvm.c | 25 +++++++++++++++++++++++--
include/hw/s390x/s390-pci-bus.h | 1 +
2 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/hw/s390x/s390-pci-kvm.c b/hw/s390x/s390-pci-kvm.c
index ff41e4106d..1ee510436c 100644
--- a/hw/s390x/s390-pci-kvm.c
+++ b/hw/s390x/s390-pci-kvm.c
@@ -27,6 +27,7 @@ bool s390_pci_kvm_interp_allowed(void)
int s390_pci_kvm_aif_enable(S390PCIBusDevice *pbdev, ZpciFib *fib, bool assist)
{
+ int rc;
struct kvm_s390_zpci_op args = {
.fh = pbdev->fh,
.op = KVM_S390_ZPCIOP_REG_AEN,
@@ -38,15 +39,35 @@ int s390_pci_kvm_aif_enable(S390PCIBusDevice *pbdev, ZpciFib *fib, bool assist)
.u.reg_aen.flags = (assist) ? 0 : KVM_S390_ZPCIOP_REGAEN_HOST
};
- return kvm_vm_ioctl(kvm_state, KVM_S390_ZPCI_OP, &args);
+ if (pbdev->aif) {
+ return -EINVAL;
+ }
+
+ rc = kvm_vm_ioctl(kvm_state, KVM_S390_ZPCI_OP, &args);
+ if (rc == 0) {
+ pbdev->aif = true;
+ }
+
+ return rc;
}
int s390_pci_kvm_aif_disable(S390PCIBusDevice *pbdev)
{
+ int rc;
+
struct kvm_s390_zpci_op args = {
.fh = pbdev->fh,
.op = KVM_S390_ZPCIOP_DEREG_AEN
};
- return kvm_vm_ioctl(kvm_state, KVM_S390_ZPCI_OP, &args);
+ if (!pbdev->aif) {
+ return -EINVAL;
+ }
+
+ rc = kvm_vm_ioctl(kvm_state, KVM_S390_ZPCI_OP, &args);
+ if (rc == 0) {
+ pbdev->aif = false;
+ }
+
+ return rc;
}
diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bus.h
index e0a9f9385b..7a658f5e30 100644
--- a/include/hw/s390x/s390-pci-bus.h
+++ b/include/hw/s390x/s390-pci-bus.h
@@ -361,6 +361,7 @@ struct S390PCIBusDevice {
bool unplug_requested;
bool interp;
bool forwarding_assist;
+ bool aif;
QTAILQ_ENTRY(S390PCIBusDevice) link;
};
--
2.41.0

137
SOURCES/kvm-s390x-pci-drive-ISM-reset-from-subsystem-reset.patch
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From dda71c431be22772f3241af45b62737c988e85d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg@redhat.com>
Date: Tue, 23 Jan 2024 13:59:24 +0100
Subject: [PATCH 3/3] s390x/pci: drive ISM reset from subsystem reset
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Cédric Le Goater <clg@redhat.com>
RH-MergeRequest: 349: s390x: Fix reset ordering of passthrough ISM devices
RH-Jira: RHEL-22411
RH-Acked-by: Thomas Huth <thuth@redhat.com>
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
RH-Commit: [3/3] 42e89595dd5e24538a2d3f075391b4534497eece
JIRA: https://issues.redhat.com/browse/RHEL-22411
commit 68c691ca99a2538d6a53a70ce8a9ce06ee307ff1
Author: Matthew Rosato <mjrosato@linux.ibm.com>
Date: Thu Jan 18 13:51:51 2024 -0500
s390x/pci: drive ISM reset from subsystem reset
ISM devices are sensitive to manipulation of the IOMMU, so the ISM device
needs to be reset before the vfio-pci device is reset (triggering a full
UNMAP). In order to ensure this occurs, trigger ISM device resets from
subsystem_reset before triggering the PCI bus reset (which will also
trigger vfio-pci reset). This only needs to be done for ISM devices
which were enabled for use by the guest.
Further, ensure that AIF is disabled as part of the reset event.
Fixes: ef1535901a ("s390x: do a subsystem reset before the unprotect on reboot")
Fixes: 03451953c7 ("s390x/pci: reset ISM passthrough devices on shutdown and system reset")
Reported-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20240118185151.265329-4-mjrosato@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
---
hw/s390x/s390-pci-bus.c | 26 +++++++++++++++++---------
hw/s390x/s390-virtio-ccw.c | 8 ++++++++
include/hw/s390x/s390-pci-bus.h | 1 +
3 files changed, 26 insertions(+), 9 deletions(-)
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index 2d92848b0f..a8953693b9 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -160,20 +160,12 @@ static void s390_pci_shutdown_notifier(Notifier *n, void *opaque)
pci_device_reset(pbdev->pdev);
}
-static void s390_pci_reset_cb(void *opaque)
-{
- S390PCIBusDevice *pbdev = opaque;
-
- pci_device_reset(pbdev->pdev);
-}
-
static void s390_pci_perform_unplug(S390PCIBusDevice *pbdev)
{
HotplugHandler *hotplug_ctrl;
if (pbdev->pft == ZPCI_PFT_ISM) {
notifier_remove(&pbdev->shutdown_notifier);
- qemu_unregister_reset(s390_pci_reset_cb, pbdev);
}
/* Unplug the PCI device */
@@ -1137,7 +1129,6 @@ static void s390_pcihost_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
if (pbdev->pft == ZPCI_PFT_ISM) {
pbdev->shutdown_notifier.notify = s390_pci_shutdown_notifier;
qemu_register_shutdown_notifier(&pbdev->shutdown_notifier);
- qemu_register_reset(s390_pci_reset_cb, pbdev);
}
} else {
pbdev->fh |= FH_SHM_EMUL;
@@ -1284,6 +1275,23 @@ static void s390_pci_enumerate_bridge(PCIBus *bus, PCIDevice *pdev,
pci_default_write_config(pdev, PCI_SUBORDINATE_BUS, s->bus_no, 1);
}
+void s390_pci_ism_reset(void)
+{
+ S390pciState *s = s390_get_phb();
+
+ S390PCIBusDevice *pbdev, *next;
+
+ /* Trigger reset event for each passthrough ISM device currently in-use */
+ QTAILQ_FOREACH_SAFE(pbdev, &s->zpci_devs, link, next) {
+ if (pbdev->interp && pbdev->pft == ZPCI_PFT_ISM &&
+ pbdev->fh & FH_MASK_ENABLE) {
+ s390_pci_kvm_aif_disable(pbdev);
+
+ pci_device_reset(pbdev->pdev);
+ }
+ }
+}
+
static void s390_pcihost_reset(DeviceState *dev)
{
S390pciState *s = S390_PCI_HOST_BRIDGE(dev);
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 94434c3bb1..51e5b39888 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -108,6 +108,14 @@ static void subsystem_reset(void)
DeviceState *dev;
int i;
+ /*
+ * ISM firmware is sensitive to unexpected changes to the IOMMU, which can
+ * occur during reset of the vfio-pci device (unmap of entire aperture).
+ * Ensure any passthrough ISM devices are reset now, while CPUs are paused
+ * but before vfio-pci cleanup occurs.
+ */
+ s390_pci_ism_reset();
+
for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
if (dev) {
diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bus.h
index 7a658f5e30..2bfad5563a 100644
--- a/include/hw/s390x/s390-pci-bus.h
+++ b/include/hw/s390x/s390-pci-bus.h
@@ -401,5 +401,6 @@ S390PCIBusDevice *s390_pci_find_dev_by_target(S390pciState *s,
const char *target);
S390PCIBusDevice *s390_pci_find_next_avail_dev(S390pciState *s,
S390PCIBusDevice *pbdev);
+void s390_pci_ism_reset(void);
#endif
--
2.41.0

71
SOURCES/kvm-s390x-pci-refresh-fh-before-disabling-aif.patch
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From fe70e87ef8d2f7e538867052e06012051919083f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg@redhat.com>
Date: Tue, 23 Jan 2024 13:59:24 +0100
Subject: [PATCH 2/3] s390x/pci: refresh fh before disabling aif
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Cédric Le Goater <clg@redhat.com>
RH-MergeRequest: 349: s390x: Fix reset ordering of passthrough ISM devices
RH-Jira: RHEL-22411
RH-Acked-by: Thomas Huth <thuth@redhat.com>
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
RH-Commit: [2/3] 4a7d3fccdac508253bd7e5765973a08482022edb
JIRA: https://issues.redhat.com/browse/RHEL-22411
commit 30e35258e25c75c9d799c34fd89afcafffb37084
Author: Matthew Rosato <mjrosato@linux.ibm.com>
Date: Thu Jan 18 13:51:50 2024 -0500
s390x/pci: refresh fh before disabling aif
Typically we refresh the host fh during CLP enable, however it's possible
that the device goes through multiple reset events before the guest
performs another CLP enable. Let's handle this for now by refreshing the
host handle from vfio before disabling aif.
Fixes: 03451953c7 ("s390x/pci: reset ISM passthrough devices on shutdown and system reset")
Reported-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20240118185151.265329-3-mjrosato@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
---
hw/s390x/s390-pci-kvm.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/hw/s390x/s390-pci-kvm.c b/hw/s390x/s390-pci-kvm.c
index 1ee510436c..9eef4fc3ec 100644
--- a/hw/s390x/s390-pci-kvm.c
+++ b/hw/s390x/s390-pci-kvm.c
@@ -18,6 +18,7 @@
#include "hw/s390x/s390-pci-bus.h"
#include "hw/s390x/s390-pci-kvm.h"
#include "hw/s390x/s390-pci-inst.h"
+#include "hw/s390x/s390-pci-vfio.h"
#include "cpu_models.h"
bool s390_pci_kvm_interp_allowed(void)
@@ -64,6 +65,14 @@ int s390_pci_kvm_aif_disable(S390PCIBusDevice *pbdev)
return -EINVAL;
}
+ /*
+ * The device may have already been reset but we still want to relinquish
+ * the guest ISC, so always be sure to use an up-to-date host fh.
+ */
+ if (!s390_pci_get_host_fh(pbdev, &args.fh)) {
+ return -EPERM;
+ }
+
rc = kvm_vm_ioctl(kvm_state, KVM_S390_ZPCI_OP, &args);
if (rc == 0) {
pbdev->aif = false;
--
2.41.0

51
SOURCES/kvm-s390x-pv-remove-semicolon-from-macro-definition.patch
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From 52969f8a75ac7ba115e044cd94208984c18eee41 Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com>
Date: Mon, 15 Jan 2024 14:00:04 +0100
Subject: [PATCH 2/5] s390x/pv: remove semicolon from macro definition
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 348: s390x: Provide some more useful information if decryption of a PV image fails
RH-Jira: RHEL-18214
RH-Acked-by: Jon Maloy <jmaloy@redhat.com>
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Commit: [2/5] 52a04c945a584746ff30bed516ad97bab75ac821
JIRA: https://issues.redhat.com/browse/RHEL-18214
commit 36c182bbe680d64f0868522bb9256b5b8eccf280
Author: Claudio Imbrenda <imbrenda@linux.ibm.com>
Date: Mon Oct 10 17:10:41 2022 +0200
s390x/pv: remove semicolon from macro definition
Remove spurious semicolon at the end of the macro s390_pv_cmd
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20221010151041.89071-1-imbrenda@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
hw/s390x/pv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/s390x/pv.c b/hw/s390x/pv.c
index 749e5db1ce..8a1c71436b 100644
--- a/hw/s390x/pv.c
+++ b/hw/s390x/pv.c
@@ -51,7 +51,7 @@ static int __s390_pv_cmd(uint32_t cmd, const char *cmdname, void *data)
* This macro lets us pass the command as a string to the function so
* we can print it on an error.
*/
-#define s390_pv_cmd(cmd, data) __s390_pv_cmd(cmd, #cmd, data);
+#define s390_pv_cmd(cmd, data) __s390_pv_cmd(cmd, #cmd, data)
#define s390_pv_cmd_exit(cmd, data) \
{ \
int rc; \
--
2.41.0

194
SOURCES/kvm-target-s390x-AP-passthrough-for-PV-guests.patch
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From 885d04faf5edb787341aab6917fd2de743e029ac Mon Sep 17 00:00:00 2001
From: Steffen Eiden <seiden@linux.ibm.com>
Date: Wed, 23 Aug 2023 16:22:19 +0200
Subject: [PATCH 5/5] target/s390x: AP-passthrough for PV guests
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 321: Enable Secure Execution Crypto Passthrough for KVM on s390x
RH-Bugzilla: 2111390
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Commit: [5/5] 9bf3dfd78fb030a22db7bb756a2cb7f54a0a8d82
Enabling AP-passthrough(AP-pt) for PV-guest by using the new CPU
features for PV-AP-pt of KVM.
As usual QEMU first checks which CPU features are available and then
sets them if available and selected by user. An additional check is done
to verify that PV-AP can only be enabled if "regular" AP-pt is enabled
as well. Note that KVM itself does not enforce this restriction.
Reviewed-by: Michael Mueller <mimu@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
Message-ID: <20230823142219.1046522-6-seiden@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit 5ac951519c23d9eaf7dc9e2dcbcbc7d9a745ffe7)
Conflicts:
target/s390x/gen-features.c
(simple contextual conflict due to missing S390_FEAT_PAIE)
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
target/s390x/cpu_features.h | 1 +
target/s390x/cpu_features_def.h.inc | 4 ++
target/s390x/cpu_models.c | 2 +
target/s390x/gen-features.c | 2 +
target/s390x/kvm/kvm.c | 70 +++++++++++++++++++++++++++++
5 files changed, 79 insertions(+)
diff --git a/target/s390x/cpu_features.h b/target/s390x/cpu_features.h
index 87463f064d..a9bd68a2e1 100644
--- a/target/s390x/cpu_features.h
+++ b/target/s390x/cpu_features.h
@@ -43,6 +43,7 @@ typedef enum {
S390_FEAT_TYPE_KDSA,
S390_FEAT_TYPE_SORTL,
S390_FEAT_TYPE_DFLTCC,
+ S390_FEAT_TYPE_UV_FEAT_GUEST,
} S390FeatType;
/* Definition of a CPU feature */
diff --git a/target/s390x/cpu_features_def.h.inc b/target/s390x/cpu_features_def.h.inc
index e86662bb3b..aa1f51f2a8 100644
--- a/target/s390x/cpu_features_def.h.inc
+++ b/target/s390x/cpu_features_def.h.inc
@@ -378,3 +378,7 @@ DEF_FEAT(DEFLATE_GHDT, "dfltcc-gdht", DFLTCC, 1, "DFLTCC GDHT")
DEF_FEAT(DEFLATE_CMPR, "dfltcc-cmpr", DFLTCC, 2, "DFLTCC CMPR")
DEF_FEAT(DEFLATE_XPND, "dfltcc-xpnd", DFLTCC, 4, "DFLTCC XPND")
DEF_FEAT(DEFLATE_F0, "dfltcc-f0", DFLTCC, 192, "DFLTCC format 0 parameter-block")
+
+/* Features exposed via the UV-CALL instruction */
+DEF_FEAT(UV_FEAT_AP, "appv", UV_FEAT_GUEST, 4, "AP instructions installed for secure guests")
+DEF_FEAT(UV_FEAT_AP_INTR, "appvi", UV_FEAT_GUEST, 5, "AP instructions interruption support for secure guests")
diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c
index 11e06cc51f..454485e706 100644
--- a/target/s390x/cpu_models.c
+++ b/target/s390x/cpu_models.c
@@ -467,6 +467,8 @@ static void check_consistency(const S390CPUModel *model)
{ S390_FEAT_DIAG_318, S390_FEAT_EXTENDED_LENGTH_SCCB },
{ S390_FEAT_NNPA, S390_FEAT_VECTOR },
{ S390_FEAT_RDP, S390_FEAT_LOCAL_TLB_CLEARING },
+ { S390_FEAT_UV_FEAT_AP, S390_FEAT_AP },
+ { S390_FEAT_UV_FEAT_AP_INTR, S390_FEAT_UV_FEAT_AP },
};
int i;
diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c
index 7cb1a6ec10..b789288c82 100644
--- a/target/s390x/gen-features.c
+++ b/target/s390x/gen-features.c
@@ -575,6 +575,8 @@ static uint16_t full_GEN16_GA1[] = {
S390_FEAT_BEAR_ENH,
S390_FEAT_RDP,
S390_FEAT_PAI,
+ S390_FEAT_UV_FEAT_AP,
+ S390_FEAT_UV_FEAT_AP_INTR,
};
diff --git a/target/s390x/kvm/kvm.c b/target/s390x/kvm/kvm.c
index eb8ca4c780..a963866ef4 100644
--- a/target/s390x/kvm/kvm.c
+++ b/target/s390x/kvm/kvm.c
@@ -2308,6 +2308,42 @@ static bool ap_enabled(const S390FeatBitmap features)
return test_bit(S390_FEAT_AP, features);
}
+static bool uv_feat_supported(void)
+{
+ return kvm_vm_check_attr(kvm_state, KVM_S390_VM_CPU_MODEL,
+ KVM_S390_VM_CPU_PROCESSOR_UV_FEAT_GUEST);
+}
+
+static int query_uv_feat_guest(S390FeatBitmap features)
+{
+ struct kvm_s390_vm_cpu_uv_feat prop = {};
+ struct kvm_device_attr attr = {
+ .group = KVM_S390_VM_CPU_MODEL,
+ .attr = KVM_S390_VM_CPU_MACHINE_UV_FEAT_GUEST,
+ .addr = (uint64_t) &prop,
+ };
+ int rc;
+
+ /* AP support check is currently the only user of the UV feature test */
+ if (!(uv_feat_supported() && ap_available())) {
+ return 0;
+ }
+
+ rc = kvm_vm_ioctl(kvm_state, KVM_GET_DEVICE_ATTR, &attr);
+ if (rc) {
+ return rc;
+ }
+
+ if (prop.ap) {
+ set_bit(S390_FEAT_UV_FEAT_AP, features);
+ }
+ if (prop.ap_intr) {
+ set_bit(S390_FEAT_UV_FEAT_AP_INTR, features);
+ }
+
+ return 0;
+}
+
static int kvm_to_feat[][2] = {
{ KVM_S390_VM_CPU_FEAT_ESOP, S390_FEAT_ESOP },
{ KVM_S390_VM_CPU_FEAT_SIEF2, S390_FEAT_SIE_F2 },
@@ -2502,11 +2538,38 @@ void kvm_s390_get_host_cpu_model(S390CPUModel *model, Error **errp)
set_bit(S390_FEAT_DIAG_318, model->features);
}
+ /* Test for Ultravisor features that influence secure guest behavior */
+ query_uv_feat_guest(model->features);
+
/* strip of features that are not part of the maximum model */
bitmap_and(model->features, model->features, model->def->full_feat,
S390_FEAT_MAX);
}
+static int configure_uv_feat_guest(const S390FeatBitmap features)
+{
+ struct kvm_s390_vm_cpu_uv_feat uv_feat = {};
+ struct kvm_device_attr attribute = {
+ .group = KVM_S390_VM_CPU_MODEL,
+ .attr = KVM_S390_VM_CPU_PROCESSOR_UV_FEAT_GUEST,
+ .addr = (__u64) &uv_feat,
+ };
+
+ /* AP support check is currently the only user of the UV feature test */
+ if (!(uv_feat_supported() && ap_enabled(features))) {
+ return 0;
+ }
+
+ if (test_bit(S390_FEAT_UV_FEAT_AP, features)) {
+ uv_feat.ap = 1;
+ }
+ if (test_bit(S390_FEAT_UV_FEAT_AP_INTR, features)) {
+ uv_feat.ap_intr = 1;
+ }
+
+ return kvm_vm_ioctl(kvm_state, KVM_SET_DEVICE_ATTR, &attribute);
+}
+
static void kvm_s390_configure_apie(bool interpret)
{
uint64_t attr = interpret ? KVM_S390_VM_CRYPTO_ENABLE_APIE :
@@ -2578,6 +2641,13 @@ void kvm_s390_apply_cpu_model(const S390CPUModel *model, Error **errp)
if (ap_enabled(model->features)) {
kvm_s390_configure_apie(true);
}
+
+ /* configure UV-features for the guest indicated via query / test_bit */
+ rc = configure_uv_feat_guest(model->features);
+ if (rc) {
+ error_setg(errp, "KVM: Error configuring CPU UV features %d", rc);
+ return;
+ }
}
void kvm_s390_restart_interrupt(S390CPU *cpu)
--
2.41.0

18
SOURCES/kvm-target-s390x-arch_dump-Add-arch-cleanup-function-for.patch
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@ -1,20 +1,20 @@
From 71e2e6883aa9df8d6eeed7b02100de18c8a188cc Mon Sep 17 00:00:00 2001 From 4aa08999f8502e9d6869352db89081319c2d7119 Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com> From: Thomas Huth <thuth@redhat.com>
Date: Thu, 23 Nov 2023 14:42:00 +0100 Date: Fri, 17 Nov 2023 11:32:37 +0100
Subject: [PATCH 5/5] target/s390x/arch_dump: Add arch cleanup function for PV Subject: [PATCH 3/3] target/s390x/arch_dump: Add arch cleanup function for PV
dumps dumps
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com> RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 328: Fix problem that secure execution guest remains in "paused" state after failed dump [8.9.z] RH-MergeRequest: 323: Fix problem that secure execution guest might remain in "paused" state after failed dump
RH-Jira: RHEL-17253 RH-Jira: RHEL-16696
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com> RH-Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
RH-Commit: [3/3] bf89f114bb5dd48fb9cdd96a63d2986bab090d20 RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Commit: [3/3] 0bb389c9339b95f7ff6dc284526b0c8d5ef736b4
JIRA: https://issues.redhat.com/browse/RHEL-17253 JIRA: https://issues.redhat.com/browse/RHEL-16696
commit d12a91e0baafce7b1cbacff7cf9339eeb0011732 commit d12a91e0baafce7b1cbacff7cf9339eeb0011732
Author: Janosch Frank <frankja@linux.ibm.com> Author: Janosch Frank <frankja@linux.ibm.com>
@ -80,5 +80,5 @@ index 7cdd4b7167..3b1f178dc3 100644
return 0; return 0;
} }
-- --
2.41.0 2.39.3

18
SOURCES/kvm-target-s390x-dump-Remove-unneeded-dump-info-function.patch
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@ -1,20 +1,20 @@
From fc235f783f58aec7460fcb6d23e8373596b85c97 Mon Sep 17 00:00:00 2001 From f647258696cbdce78316b2d9ae513f9ae6f4a0b5 Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com> From: Thomas Huth <thuth@redhat.com>
Date: Thu, 23 Nov 2023 14:42:00 +0100 Date: Fri, 17 Nov 2023 11:32:37 +0100
Subject: [PATCH 3/5] target/s390x/dump: Remove unneeded dump info function Subject: [PATCH 1/3] target/s390x/dump: Remove unneeded dump info function
pointer init pointer init
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com> RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 328: Fix problem that secure execution guest remains in "paused" state after failed dump [8.9.z] RH-MergeRequest: 323: Fix problem that secure execution guest might remain in "paused" state after failed dump
RH-Jira: RHEL-17253 RH-Jira: RHEL-16696
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com> RH-Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
RH-Commit: [1/3] 458e457a8257e685acb91eb68b6ff6b9aa0a4f4d RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Commit: [1/3] e3b0697ec76274f778fc523efb72f0cbca25cd77
JIRA: https://issues.redhat.com/browse/RHEL-17253 JIRA: https://issues.redhat.com/browse/RHEL-16696
commit 816644b1219900875f47d7adf9bfb283f1b29aa0 commit 816644b1219900875f47d7adf9bfb283f1b29aa0
Author: Janosch Frank <frankja@linux.ibm.com> Author: Janosch Frank <frankja@linux.ibm.com>
@ -52,5 +52,5 @@ index a7c44ba49d..7cdd4b7167 100644
return 0; return 0;
} }
-- --
2.41.0 2.39.3

111
SOURCES/kvm-target-s390x-kvm-Refactor-AP-functionalities.patch
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@ -0,0 +1,111 @@
From 57bcc768ac7d0614472e60cc2833b74a2a198d29 Mon Sep 17 00:00:00 2001
From: Steffen Eiden <seiden@linux.ibm.com>
Date: Wed, 23 Aug 2023 16:22:18 +0200
Subject: [PATCH 4/5] target/s390x/kvm: Refactor AP functionalities
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 321: Enable Secure Execution Crypto Passthrough for KVM on s390x
RH-Bugzilla: 2111390
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Commit: [4/5] 8ab2f8766931fb65a391aab590d0ccabd8ba8909
kvm_s390_set_attr() is a misleading name as it only sets attributes for
the KVM_S390_VM_CRYPTO group. Therefore, rename it to
kvm_s390_set_crypto_attr().
Add new functions ap_available() and ap_enabled() to avoid code
duplication later.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Mueller <mimu@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
Message-ID: <20230823142219.1046522-5-seiden@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit 354383c12294f2ee510204cfdc5aaed9f0c42171)
---
target/s390x/kvm/kvm.c | 24 +++++++++++++++++-------
1 file changed, 17 insertions(+), 7 deletions(-)
diff --git a/target/s390x/kvm/kvm.c b/target/s390x/kvm/kvm.c
index 8d36c377b5..eb8ca4c780 100644
--- a/target/s390x/kvm/kvm.c
+++ b/target/s390x/kvm/kvm.c
@@ -251,7 +251,7 @@ static void kvm_s390_enable_cmma(void)
trace_kvm_enable_cmma(rc);
}
-static void kvm_s390_set_attr(uint64_t attr)
+static void kvm_s390_set_crypto_attr(uint64_t attr)
{
struct kvm_device_attr attribute = {
.group = KVM_S390_VM_CRYPTO,
@@ -276,7 +276,7 @@ static void kvm_s390_init_aes_kw(void)
}
if (kvm_vm_check_attr(kvm_state, KVM_S390_VM_CRYPTO, attr)) {
- kvm_s390_set_attr(attr);
+ kvm_s390_set_crypto_attr(attr);
}
}
@@ -290,7 +290,7 @@ static void kvm_s390_init_dea_kw(void)
}
if (kvm_vm_check_attr(kvm_state, KVM_S390_VM_CRYPTO, attr)) {
- kvm_s390_set_attr(attr);
+ kvm_s390_set_crypto_attr(attr);
}
}
@@ -2297,6 +2297,17 @@ static int configure_cpu_subfunc(const S390FeatBitmap features)
return kvm_vm_ioctl(kvm_state, KVM_SET_DEVICE_ATTR, &attr);
}
+static bool ap_available(void)
+{
+ return kvm_vm_check_attr(kvm_state, KVM_S390_VM_CRYPTO,
+ KVM_S390_VM_CRYPTO_ENABLE_APIE);
+}
+
+static bool ap_enabled(const S390FeatBitmap features)
+{
+ return test_bit(S390_FEAT_AP, features);
+}
+
static int kvm_to_feat[][2] = {
{ KVM_S390_VM_CPU_FEAT_ESOP, S390_FEAT_ESOP },
{ KVM_S390_VM_CPU_FEAT_SIEF2, S390_FEAT_SIE_F2 },
@@ -2476,8 +2487,7 @@ void kvm_s390_get_host_cpu_model(S390CPUModel *model, Error **errp)
return;
}
/* for now, we can only provide the AP feature with HW support */
- if (kvm_vm_check_attr(kvm_state, KVM_S390_VM_CRYPTO,
- KVM_S390_VM_CRYPTO_ENABLE_APIE)) {
+ if (ap_available()) {
set_bit(S390_FEAT_AP, model->features);
}
@@ -2503,7 +2513,7 @@ static void kvm_s390_configure_apie(bool interpret)
KVM_S390_VM_CRYPTO_DISABLE_APIE;
if (kvm_vm_check_attr(kvm_state, KVM_S390_VM_CRYPTO, attr)) {
- kvm_s390_set_attr(attr);
+ kvm_s390_set_crypto_attr(attr);
}
}
@@ -2565,7 +2575,7 @@ void kvm_s390_apply_cpu_model(const S390CPUModel *model, Error **errp)
kvm_s390_enable_cmma();
}
- if (test_bit(S390_FEAT_AP, model->features)) {
+ if (ap_enabled(model->features)) {
kvm_s390_configure_apie(true);
}
}
--
2.41.0

207
SOURCES/kvm-target-s390x-kvm-pv-Provide-some-more-useful-informa.patch
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@ -0,0 +1,207 @@
From c1273f9e38f81f912cd2bd1dd4a43f9652766f76 Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com>
Date: Wed, 10 Jan 2024 15:29:16 +0100
Subject: [PATCH 5/5] target/s390x/kvm/pv: Provide some more useful information
if decryption fails
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 348: s390x: Provide some more useful information if decryption of a PV image fails
RH-Jira: RHEL-18214
RH-Acked-by: Jon Maloy <jmaloy@redhat.com>
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Commit: [5/5] 087acaecfaa5921b409beb212123214fa79fe50c
JIRA: https://issues.redhat.com/browse/RHEL-18214
commit 7af51621b16ae86646cc2dc9dee30de8176ff761
Author: Thomas Huth <thuth@redhat.com>
Date: Wed Jan 10 15:29:16 2024 +0100
target/s390x/kvm/pv: Provide some more useful information if decryption fails
It's a common scenario to copy guest images from one host to another
to run the guest on the other machine. This (of course) does not work
with "secure execution" guests since they are encrypted with one certain
host key. However, if you still (accidentally) do it, you only get a
very user-unfriendly error message that looks like this:
qemu-system-s390x: KVM PV command 2 (KVM_PV_SET_SEC_PARMS) failed:
header rc 108 rrc 5 IOCTL rc: -22
Let's provide at least a somewhat nicer hint to the users so that they
are able to figure out what might have gone wrong.
Message-ID: <20240110142916.850605-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Conflicts:
target/s390x/kvm/pv.c
target/s390x/kvm/pv.h
(contextual conflict due to missing async-teardown in RHEL8)
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
hw/s390x/ipl.c | 5 ++---
hw/s390x/ipl.h | 2 +-
hw/s390x/s390-virtio-ccw.c | 5 ++++-
target/s390x/kvm/pv.c | 25 ++++++++++++++++++++-----
target/s390x/kvm/pv.h | 5 +++--
5 files changed, 30 insertions(+), 12 deletions(-)
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
index c25e247426..c6cefdd3fe 100644
--- a/hw/s390x/ipl.c
+++ b/hw/s390x/ipl.c
@@ -709,7 +709,7 @@ static void s390_ipl_prepare_qipl(S390CPU *cpu)
cpu_physical_memory_unmap(addr, len, 1, len);
}
-int s390_ipl_prepare_pv_header(void)
+int s390_ipl_prepare_pv_header(Error **errp)
{
IplParameterBlock *ipib = s390_ipl_get_iplb_pv();
IPLBlockPV *ipib_pv = &ipib->pv;
@@ -718,8 +718,7 @@ int s390_ipl_prepare_pv_header(void)
cpu_physical_memory_read(ipib_pv->pv_header_addr, hdr,
ipib_pv->pv_header_len);
- rc = s390_pv_set_sec_parms((uintptr_t)hdr,
- ipib_pv->pv_header_len);
+ rc = s390_pv_set_sec_parms((uintptr_t)hdr, ipib_pv->pv_header_len, errp);
g_free(hdr);
return rc;
}
diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h
index dfc6dfd89c..f9cce33330 100644
--- a/hw/s390x/ipl.h
+++ b/hw/s390x/ipl.h
@@ -107,7 +107,7 @@ typedef union IplParameterBlock IplParameterBlock;
int s390_ipl_set_loadparm(uint8_t *loadparm);
void s390_ipl_update_diag308(IplParameterBlock *iplb);
-int s390_ipl_prepare_pv_header(void);
+int s390_ipl_prepare_pv_header(Error **errp);
int s390_ipl_pv_unpack(void);
void s390_ipl_prepare_cpu(S390CPU *cpu);
IplParameterBlock *s390_ipl_get_iplb(void);
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 7bfa5b4e8f..94434c3bb1 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -374,7 +374,7 @@ static int s390_machine_protect(S390CcwMachineState *ms)
}
/* Set SE header and unpack */
- rc = s390_ipl_prepare_pv_header();
+ rc = s390_ipl_prepare_pv_header(&local_err);
if (rc) {
goto out_err;
}
@@ -393,6 +393,9 @@ static int s390_machine_protect(S390CcwMachineState *ms)
return rc;
out_err:
+ if (local_err) {
+ error_report_err(local_err);
+ }
s390_machine_unprotect(ms);
return rc;
}
diff --git a/target/s390x/kvm/pv.c b/target/s390x/kvm/pv.c
index e14db4f41a..ae75063777 100644
--- a/target/s390x/kvm/pv.c
+++ b/target/s390x/kvm/pv.c
@@ -27,7 +27,8 @@ static bool info_valid;
static struct kvm_s390_pv_info_vm info_vm;
static struct kvm_s390_pv_info_dump info_dump;
-static int __s390_pv_cmd(uint32_t cmd, const char *cmdname, void *data)
+static int __s390_pv_cmd(uint32_t cmd, const char *cmdname, void *data,
+ int *pvrc)
{
struct kvm_pv_cmd pv_cmd = {
.cmd = cmd,
@@ -44,6 +45,9 @@ static int __s390_pv_cmd(uint32_t cmd, const char *cmdname, void *data)
"IOCTL rc: %d", cmd, cmdname, pv_cmd.rc, pv_cmd.rrc,
rc);
}
+ if (pvrc) {
+ *pvrc = pv_cmd.rc;
+ }
return rc;
}
@@ -51,12 +55,13 @@ static int __s390_pv_cmd(uint32_t cmd, const char *cmdname, void *data)
* This macro lets us pass the command as a string to the function so
* we can print it on an error.
*/
-#define s390_pv_cmd(cmd, data) __s390_pv_cmd(cmd, #cmd, data)
+#define s390_pv_cmd(cmd, data) __s390_pv_cmd(cmd, #cmd, data, NULL)
+#define s390_pv_cmd_pvrc(cmd, data, pvrc) __s390_pv_cmd(cmd, #cmd, data, pvrc)
#define s390_pv_cmd_exit(cmd, data) \
{ \
int rc; \
\
- rc = __s390_pv_cmd(cmd, #cmd, data);\
+ rc = __s390_pv_cmd(cmd, #cmd, data, NULL); \
if (rc) { \
exit(1); \
} \
@@ -108,14 +113,24 @@ void s390_pv_vm_disable(void)
s390_pv_cmd_exit(KVM_PV_DISABLE, NULL);
}
-int s390_pv_set_sec_parms(uint64_t origin, uint64_t length)
+int s390_pv_set_sec_parms(uint64_t origin, uint64_t length, Error **errp)
{
+ int ret, pvrc;
struct kvm_s390_pv_sec_parm args = {
.origin = origin,
.length = length,
};
- return s390_pv_cmd(KVM_PV_SET_SEC_PARMS, &args);
+ ret = s390_pv_cmd_pvrc(KVM_PV_SET_SEC_PARMS, &args, &pvrc);
+ if (ret) {
+ error_setg(errp, "Failed to set secure execution parameters");
+ if (pvrc == 0x108) {
+ error_append_hint(errp, "Please check whether the image is "
+ "correctly encrypted for this host\n");
+ }
+ }
+
+ return ret;
}
/*
diff --git a/target/s390x/kvm/pv.h b/target/s390x/kvm/pv.h
index 9360aa1091..6868c3f4ac 100644
--- a/target/s390x/kvm/pv.h
+++ b/target/s390x/kvm/pv.h
@@ -41,7 +41,7 @@ static inline bool s390_is_pv(void)
int s390_pv_query_info(void);
int s390_pv_vm_enable(void);
void s390_pv_vm_disable(void);
-int s390_pv_set_sec_parms(uint64_t origin, uint64_t length);
+int s390_pv_set_sec_parms(uint64_t origin, uint64_t length, Error **errp);
int s390_pv_unpack(uint64_t addr, uint64_t size, uint64_t tweak);
void s390_pv_prep_reset(void);
int s390_pv_verify(void);
@@ -60,7 +60,8 @@ static inline bool s390_is_pv(void) { return false; }
static inline int s390_pv_query_info(void) { return 0; }
static inline int s390_pv_vm_enable(void) { return 0; }
static inline void s390_pv_vm_disable(void) {}
-static inline int s390_pv_set_sec_parms(uint64_t origin, uint64_t length) { return 0; }
+static inline int s390_pv_set_sec_parms(uint64_t origin, uint64_t length,
+ Error **errp) { return 0; }
static inline int s390_pv_unpack(uint64_t addr, uint64_t size, uint64_t tweak) { return 0; }
static inline void s390_pv_prep_reset(void) {}
static inline int s390_pv_verify(void) { return 0; }
--
2.41.0

151
SOURCES/kvm-tests-qtest-ahci-test-add-test-exposing-reset-issue-.patch
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From b5a7e5e22a52d11034b997d2bd363c3f83f168e9 Mon Sep 17 00:00:00 2001
From: Jon Maloy <jmaloy@redhat.com>
Date: Fri, 24 Nov 2023 12:17:53 -0500
Subject: [PATCH 2/2] tests/qtest: ahci-test: add test exposing reset issue
with pending callback
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Jon Maloy <jmaloy@redhat.com>
RH-MergeRequest: 335: hw/ide: reset: cancel async DMA operation before resetting state
RH-Jira: RHEL-15437
RH-Acked-by: Hanna Czenczek <hreitz@redhat.com>
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
RH-Commit: [2/2] 364e0703d22d69a4c1cfcff250ad0a3c81ada7b2 (redhat/rhel/src/qemu-kvm/jons-qemu-kvm-2)
JIRA: https://issues.redhat.com/browse/RHEL-15437
CVE: CVE-2023-5088
Upstream: Merged
commit cc610857bbd3551f4b86ae2299336b5d9aa0db2b
Author: Fiona Ebner <f.ebner@proxmox.com>
Date: Wed Sep 6 15:09:22 2023 +0200
tests/qtest: ahci-test: add test exposing reset issue with pending callback
Before commit "hw/ide: reset: cancel async DMA operation before
resetting state", this test would fail, because a reset with a
pending write operation would lead to an unsolicited write to the
first sector of the disk.
The test writes a pattern to the beginning of the disk and verifies
that it is still intact after a reset with a pending operation. It
also checks that the pending operation actually completes correctly.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20230906130922.142845-2-f.ebner@proxmox.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jon Maloy <jmaloy@redhat.com>
---
tests/qtest/ahci-test.c | 86 ++++++++++++++++++++++++++++++++++++++++-
1 file changed, 85 insertions(+), 1 deletion(-)
diff --git a/tests/qtest/ahci-test.c b/tests/qtest/ahci-test.c
index 8073ccc205..b4d15566e1 100644
--- a/tests/qtest/ahci-test.c
+++ b/tests/qtest/ahci-test.c
@@ -1425,6 +1425,89 @@ static void test_reset(void)
ahci_shutdown(ahci);
}
+static void test_reset_pending_callback(void)
+{
+ AHCIQState *ahci;
+ AHCICommand *cmd;
+ uint8_t port;
+ uint64_t ptr1;
+ uint64_t ptr2;
+
+ int bufsize = 4 * 1024;
+ int speed = bufsize + (bufsize / 2);
+ int offset1 = 0;
+ int offset2 = bufsize / AHCI_SECTOR_SIZE;
+
+ g_autofree unsigned char *tx1 = g_malloc(bufsize);
+ g_autofree unsigned char *tx2 = g_malloc(bufsize);
+ g_autofree unsigned char *rx1 = g_malloc0(bufsize);
+ g_autofree unsigned char *rx2 = g_malloc0(bufsize);
+
+ /* Uses throttling to make test independent of specific environment. */
+ ahci = ahci_boot_and_enable("-drive if=none,id=drive0,file=%s,"
+ "cache=writeback,format=%s,"
+ "throttling.bps-write=%d "
+ "-M q35 "
+ "-device ide-hd,drive=drive0 ",
+ tmp_path, imgfmt, speed);
+
+ port = ahci_port_select(ahci);
+ ahci_port_clear(ahci, port);
+
+ ptr1 = ahci_alloc(ahci, bufsize);
+ ptr2 = ahci_alloc(ahci, bufsize);
+
+ g_assert(ptr1 && ptr2);
+
+ /* Need two different patterns. */
+ do {
+ generate_pattern(tx1, bufsize, AHCI_SECTOR_SIZE);
+ generate_pattern(tx2, bufsize, AHCI_SECTOR_SIZE);
+ } while (memcmp(tx1, tx2, bufsize) == 0);
+
+ qtest_bufwrite(ahci->parent->qts, ptr1, tx1, bufsize);
+ qtest_bufwrite(ahci->parent->qts, ptr2, tx2, bufsize);
+
+ /* Write to beginning of disk to check it wasn't overwritten later. */
+ ahci_guest_io(ahci, port, CMD_WRITE_DMA_EXT, ptr1, bufsize, offset1);
+
+ /* Issue asynchronously to get a pending callback during reset. */
+ cmd = ahci_command_create(CMD_WRITE_DMA_EXT);
+ ahci_command_adjust(cmd, offset2, ptr2, bufsize, 0);
+ ahci_command_commit(ahci, cmd, port);
+ ahci_command_issue_async(ahci, cmd);
+
+ ahci_set(ahci, AHCI_GHC, AHCI_GHC_HR);
+
+ ahci_command_free(cmd);
+
+ /* Wait for throttled write to finish. */
+ sleep(1);
+
+ /* Start again. */
+ ahci_clean_mem(ahci);
+ ahci_pci_enable(ahci);
+ ahci_hba_enable(ahci);
+ port = ahci_port_select(ahci);
+ ahci_port_clear(ahci, port);
+
+ /* Read and verify. */
+ ahci_guest_io(ahci, port, CMD_READ_DMA_EXT, ptr1, bufsize, offset1);
+ qtest_bufread(ahci->parent->qts, ptr1, rx1, bufsize);
+ g_assert_cmphex(memcmp(tx1, rx1, bufsize), ==, 0);
+
+ ahci_guest_io(ahci, port, CMD_READ_DMA_EXT, ptr2, bufsize, offset2);
+ qtest_bufread(ahci->parent->qts, ptr2, rx2, bufsize);
+ g_assert_cmphex(memcmp(tx2, rx2, bufsize), ==, 0);
+
+ ahci_free(ahci, ptr1);
+ ahci_free(ahci, ptr2);
+
+ ahci_clean_mem(ahci);
+
+ ahci_shutdown(ahci);
+}
+
static void test_ncq_simple(void)
{
AHCIQState *ahci;
@@ -1929,7 +2012,8 @@ int main(int argc, char **argv)
qtest_add_func("/ahci/migrate/dma/halted", test_migrate_halted_dma);
qtest_add_func("/ahci/max", test_max);
- qtest_add_func("/ahci/reset", test_reset);
+ qtest_add_func("/ahci/reset/simple", test_reset);
+ qtest_add_func("/ahci/reset/pending_callback", test_reset_pending_callback);
qtest_add_func("/ahci/io/ncq/simple", test_ncq_simple);
qtest_add_func("/ahci/migrate/ncq/simple", test_migrate_ncq);
--
2.41.0

118
SOURCES/kvm-ui-clipboard-mark-type-as-not-available-when-there-i.patch
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From 4069f8f55d070b5a1eb2bf894a517ea9fb648bbd Mon Sep 17 00:00:00 2001
From: Jon Maloy <jmaloy@redhat.com>
Date: Tue, 5 Mar 2024 11:36:15 -0500
Subject: [PATCH 2/3] ui/clipboard: mark type as not available when there is no
data
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Jon Maloy <jmaloy@redhat.com>
RH-MergeRequest: 353: ui/clipboard: mark type as not available when there is no data
RH-Jira: RHEL-19628
RH-Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
RH-Acked-by: Gerd Hoffmann <None>
RH-Commit: [2/2] fa0edf7a362a16978e2377cf61f36ff227d186b2 (redhat/rhel/src/qemu-kvm/jons-qemu-kvm-2)
JIRA: https://issues.redhat.com/browse/RHEL-19628
CVE: CVE-2023-6683
Upstream: Merged
Conflicts:
- The function g_memdup2() is used by this commit, but is not present in
this code version. It looks safe to introduce it in a preceding commit,
instead of reverting to the less safe g_memdup(), so that is what we do.
- There is a second upstream commit covering this CVE:
commit 9c416582611b ("ui/clipboard: add asserts for update and request")
which is based on several other previous commits not present in this version.
Re-applying these, or trying to adapt the code, is too intrusive and risky
given that it only introduces two diagnostic asserts which are not essential
for solving the CVE.
We therefore omit that commit.
commit 405484b29f6548c7b86549b0f961b906337aa68a
Author: Fiona Ebner <f.ebner@proxmox.com>
Date: Wed Jan 24 11:57:48 2024 +0100
ui/clipboard: mark type as not available when there is no data
With VNC, a client can send a non-extended VNC_MSG_CLIENT_CUT_TEXT
message with len=0. In qemu_clipboard_set_data(), the clipboard info
will be updated setting data to NULL (because g_memdup(data, size)
returns NULL when size is 0). If the client does not set the
VNC_ENCODING_CLIPBOARD_EXT feature when setting up the encodings, then
the 'request' callback for the clipboard peer is not initialized.
Later, because data is NULL, qemu_clipboard_request() can be reached
via vdagent_chr_write() and vdagent_clipboard_recv_request() and
there, the clipboard owner's 'request' callback will be attempted to
be called, but that is a NULL pointer.
In particular, this can happen when using the KRDC (22.12.3) VNC
client.
Another scenario leading to the same issue is with two clients (say
noVNC and KRDC):
The noVNC client sets the extension VNC_FEATURE_CLIPBOARD_EXT and
initializes its cbpeer.
The KRDC client does not, but triggers a vnc_client_cut_text() (note
it's not the _ext variant)). There, a new clipboard info with it as
the 'owner' is created and via qemu_clipboard_set_data() is called,
which in turn calls qemu_clipboard_update() with that info.
In qemu_clipboard_update(), the notifier for the noVNC client will be
called, i.e. vnc_clipboard_notify() and also set vs->cbinfo for the
noVNC client. The 'owner' in that clipboard info is the clipboard peer
for the KRDC client, which did not initialize the 'request' function.
That sounds correct to me, it is the owner of that clipboard info.
Then when noVNC sends a VNC_MSG_CLIENT_CUT_TEXT message (it did set
the VNC_FEATURE_CLIPBOARD_EXT feature correctly, so a check for it
passes), that clipboard info is passed to qemu_clipboard_request() and
the original segfault still happens.
Fix the issue by handling updates with size 0 differently. In
particular, mark in the clipboard info that the type is not available.
While at it, switch to g_memdup2(), because g_memdup() is deprecated.
Cc: qemu-stable@nongnu.org
Fixes: CVE-2023-6683
Reported-by: Markus Frank <m.frank@proxmox.com>
Suggested-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Tested-by: Markus Frank <m.frank@proxmox.com>
Message-ID: <20240124105749.204610-1-f.ebner@proxmox.com>
Signed-off-by: Jon Maloy <jmaloy@redhat.com>
---
ui/clipboard.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/ui/clipboard.c b/ui/clipboard.c
index d7b008d62a..b8c795f2e2 100644
--- a/ui/clipboard.c
+++ b/ui/clipboard.c
@@ -123,9 +123,15 @@ void qemu_clipboard_set_data(QemuClipboardPeer *peer,
}
g_free(info->types[type].data);
- info->types[type].data = g_memdup(data, size);
- info->types[type].size = size;
- info->types[type].available = true;
+ if (size) {
+ info->types[type].data = g_memdup2(data, size);
+ info->types[type].size = size;
+ info->types[type].available = true;
+ } else {
+ info->types[type].data = NULL;
+ info->types[type].size = 0;
+ info->types[type].available = false;
+ }
if (update) {
qemu_clipboard_update(info);
--
2.41.0

55
SOURCES/kvm-ui-fix-crash-when-there-are-no-active_console.patch
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From 8a233fd50c4ab973ef4a3c4ac7daf83e5c90aabc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
Date: Mon, 11 Sep 2023 18:04:47 +0400
Subject: [PATCH 4/4] ui: fix crash when there are no active_console
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Marc-André Lureau <marcandre.lureau@redhat.com>
RH-MergeRequest: 338: ui: fix crash when there are no active_console
RH-Jira: RHEL-2600
RH-Acked-by: Gerd Hoffmann <None>
RH-Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>
RH-Commit: [1/1] c58d1d76558dbc7ee2a8193a1e7a9b87a79ac385
JIRA: https://issues.redhat.com/browse/RHEL-2600
Thread 1 "qemu-system-x86" received signal SIGSEGV, Segmentation fault.
0x0000555555888630 in dpy_ui_info_supported (con=0x0) at ../ui/console.c:812
812 return con->hw_ops->ui_info != NULL;
(gdb) bt
#0 0x0000555555888630 in dpy_ui_info_supported (con=0x0) at ../ui/console.c:812
#1 0x00005555558a44b1 in protocol_client_msg (vs=0x5555578c76c0, data=0x5555581e93f0 <incomplete sequence \373>, len=24) at ../ui/vnc.c:2585
#2 0x00005555558a19ac in vnc_client_read (vs=0x5555578c76c0) at ../ui/vnc.c:1607
#3 0x00005555558a1ac2 in vnc_client_io (ioc=0x5555581eb0e0, condition=G_IO_IN, opaque=0x5555578c76c0) at ../ui/vnc.c:1635
Fixes:
https://issues.redhat.com/browse/RHEL-2600
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Albert Esteve <aesteve@redhat.com>
(cherry picked from commit 48a35e12faf90a896c5aa4755812201e00d60316)
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
ui/console.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/ui/console.c b/ui/console.c
index 29a3e3f0f5..df3426bd8a 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -1525,6 +1525,9 @@ bool dpy_ui_info_supported(QemuConsole *con)
if (con == NULL) {
con = active_console;
}
+ if (con == NULL) {
+ return false;
+ }
return con->hw_ops->ui_info != NULL;
}
--
2.41.0

76
SOURCES/kvm-ui-vnc-clipboard-fix-infinite-loop-in-inflate_buffer.patch
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From efbf51a42b51665fd70ea49b9c583a208cfd2deb Mon Sep 17 00:00:00 2001
From: Jon Maloy <jmaloy@redhat.com>
Date: Tue, 4 Jul 2023 10:41:22 +0200
Subject: [PATCH] ui/vnc-clipboard: fix infinite loop in inflate_buffer
(CVE-2023-3255)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Jon Maloy <jmaloy@redhat.com>
RH-MergeRequest: 316: ui/vnc-clipboard: fix infinite loop in inflate_buffer (CVE-2023-3255)
RH-Bugzilla: 2218488
RH-Acked-by: Mauro Matteo Cascella <None>
RH-Commit: [1/1] f3cb05fb6e40261da5fe10f003fa3e57920469bb (redhat/rhel/src/qemu-kvm/jons-qemu-kvm-2)
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2218488
CVE: CVE-2023-3255
Upstream: Merged
commit d921fea338c1059a27ce7b75309d7a2e485f710b
Author: Mauro Matteo Cascella <mcascell@redhat.com>
Date: Tue Jul 4 10:41:22 2023 +0200
ui/vnc-clipboard: fix infinite loop in inflate_buffer (CVE-2023-3255)
A wrong exit condition may lead to an infinite loop when inflating a
valid zlib buffer containing some extra bytes in the `inflate_buffer`
function. The bug only occurs post-authentication. Return the buffer
immediately if the end of the compressed data has been reached
(Z_STREAM_END).
Fixes: CVE-2023-3255
Fixes: 0bf41cab ("ui/vnc: clipboard support")
Reported-by: Kevin Denis <kevin.denis@synacktiv.com>
Signed-off-by: Mauro Matteo Cascella <mcascell@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Tested-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20230704084210.101822-1-mcascell@redhat.com>
Signed-off-by: Jon Maloy <jmaloy@redhat.com>
---
ui/vnc-clipboard.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/ui/vnc-clipboard.c b/ui/vnc-clipboard.c
index 67284b556c..c84599cfdb 100644
--- a/ui/vnc-clipboard.c
+++ b/ui/vnc-clipboard.c
@@ -51,8 +51,11 @@ static uint8_t *inflate_buffer(uint8_t *in, uint32_t in_len, uint32_t *size)
ret = inflate(&stream, Z_FINISH);
switch (ret) {
case Z_OK:
- case Z_STREAM_END:
break;
+ case Z_STREAM_END:
+ *size = stream.total_out;
+ inflateEnd(&stream);
+ return out;
case Z_BUF_ERROR:
out_len <<= 1;
if (out_len > (1 << 20)) {
@@ -67,11 +70,6 @@ static uint8_t *inflate_buffer(uint8_t *in, uint32_t in_len, uint32_t *size)
}
}
- *size = stream.total_out;
- inflateEnd(&stream);
-
- return out;
-
err_end:
inflateEnd(&stream);
err:
--
2.41.0

69
SOURCES/kvm-vhost-release-memory_listener-object-in-error-path.patch
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From a728c0b522997e8e63bf6b64b202a7ae48693d02 Mon Sep 17 00:00:00 2001
From: Prasad Pandit <ppandit@redhat.com>
Date: Fri, 18 Aug 2023 16:38:12 +0530
Subject: [PATCH 3/4] vhost: release memory_listener object in error path
RH-Author: Prasad Pandit <None>
RH-MergeRequest: 337: vhost: release memory_listener object in error path
RH-Jira: RHEL-7567
RH-Acked-by: Peter Xu <peterx@redhat.com>
RH-Acked-by: Jon Maloy <jmaloy@redhat.com>
RH-Commit: [1/1] 1e377a2f6f148e11a452d11107d839521354e2ca
Jira: https://issues.redhat.com/browse/RHEL-7567
commit 1e3ffb34f764f8ac4c003b2b2e6a775b2b073a16
Author: Prasad J Pandit <pjp@fedoraproject.org>
Date: Mon May 29 17:13:32 2023 +0530
vhost: release memory_listener object in error path
vhost_dev_start function does not release memory_listener object
in case of an error. This may crash the guest when vhost is unable
to set memory table:
stack trace of thread 125653:
Program terminated with signal SIGSEGV, Segmentation fault
#0 memory_listener_register (qemu-kvm + 0x6cda0f)
#1 vhost_dev_start (qemu-kvm + 0x699301)
#2 vhost_net_start (qemu-kvm + 0x45b03f)
#3 virtio_net_set_status (qemu-kvm + 0x665672)
#4 qmp_set_link (qemu-kvm + 0x548fd5)
#5 net_vhost_user_event (qemu-kvm + 0x552c45)
#6 tcp_chr_connect (qemu-kvm + 0x88d473)
#7 tcp_chr_new_client (qemu-kvm + 0x88cf83)
#8 tcp_chr_accept (qemu-kvm + 0x88b429)
#9 qio_net_listener_channel_func (qemu-kvm + 0x7ac07c)
#10 g_main_context_dispatch (libglib-2.0.so.0 + 0x54e2f)
Release memory_listener objects in the error path.
Signed-off-by: Prasad Pandit <pjp@fedoraproject.org>
Message-Id: <20230529114333.31686-2-ppandit@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Fixes: c471ad0e9b ("vhost_net: device IOTLB support")
Cc: qemu-stable@nongnu.org
Acked-by: Jason Wang <jasowang@redhat.com>
---
hw/virtio/vhost.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 437347ad01..639029aa76 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1818,6 +1818,9 @@ fail_vq:
}
fail_mem:
+ if (vhost_dev_has_iommu(hdev)) {
+ memory_listener_unregister(&hdev->iommu_listener);
+ }
fail_features:
hdev->started = false;
--
2.41.0

90
SOURCES/kvm-virtio-net-correctly-copy-vnet-header-when-flushing-.patch
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From c3146dd39fb274ffbd70d20f8ba9e13562fb21ad Mon Sep 17 00:00:00 2001
From: Jon Maloy <jmaloy@redhat.com>
Date: Tue, 5 Mar 2024 16:38:49 -0500
Subject: [PATCH 3/3] virtio-net: correctly copy vnet header when flushing TX
RH-Author: Jon Maloy <jmaloy@redhat.com>
RH-MergeRequest: 354: virtio-net: correctly copy vnet header when flushing TX
RH-Jira: RHEL-19496
RH-Acked-by: Jason Wang <jasowang@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Commit: [1/1] 445b601da86a64298b776879fa0f30a4bf6c16f5 (redhat/rhel/src/qemu-kvm/jons-qemu-kvm-2)
JIRA: https://issues.redhat.com/browse/RHEL-19496
CVE: CVE-2023-6693
Upstream: Merged
commit 2220e8189fb94068dbad333228659fbac819abb0
Author: Jason Wang <jasowang@redhat.com>
Date: Tue Jan 2 11:29:01 2024 +0800
virtio-net: correctly copy vnet header when flushing TX
When HASH_REPORT is negotiated, the guest_hdr_len might be larger than
the size of the mergeable rx buffer header. Using
virtio_net_hdr_mrg_rxbuf during the header swap might lead a stack
overflow in this case. Fixing this by using virtio_net_hdr_v1_hash
instead.
Reported-by: Xiao Lei <leixiao.nop@zju.edu.cn>
Cc: Yuri Benditovich <yuri.benditovich@daynix.com>
Cc: qemu-stable@nongnu.org
Cc: Mauro Matteo Cascella <mcascell@redhat.com>
Fixes: CVE-2023-6693
Fixes: e22f0603fb2f ("virtio-net: reference implementation of hash report")
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jon Maloy <jmaloy@redhat.com>
---
hw/net/virtio-net.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index f5f07f8e63..7d459726d4 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -602,6 +602,11 @@ static void virtio_net_set_mrg_rx_bufs(VirtIONet *n, int mergeable_rx_bufs,
n->mergeable_rx_bufs = mergeable_rx_bufs;
+ /*
+ * Note: when extending the vnet header, please make sure to
+ * change the vnet header copying logic in virtio_net_flush_tx()
+ * as well.
+ */
if (version_1) {
n->guest_hdr_len = hash_report ?
sizeof(struct virtio_net_hdr_v1_hash) :
@@ -2535,7 +2540,7 @@ static int32_t virtio_net_flush_tx(VirtIONetQueue *q)
ssize_t ret;
unsigned int out_num;
struct iovec sg[VIRTQUEUE_MAX_SIZE], sg2[VIRTQUEUE_MAX_SIZE + 1], *out_sg;
- struct virtio_net_hdr_mrg_rxbuf mhdr;
+ struct virtio_net_hdr_v1_hash vhdr;
elem = virtqueue_pop(q->tx_vq, sizeof(VirtQueueElement));
if (!elem) {
@@ -2552,7 +2557,7 @@ static int32_t virtio_net_flush_tx(VirtIONetQueue *q)
}
if (n->has_vnet_hdr) {
- if (iov_to_buf(out_sg, out_num, 0, &mhdr, n->guest_hdr_len) <
+ if (iov_to_buf(out_sg, out_num, 0, &vhdr, n->guest_hdr_len) <
n->guest_hdr_len) {
virtio_error(vdev, "virtio-net header incorrect");
virtqueue_detach_element(q->tx_vq, elem, 0);
@@ -2560,8 +2565,8 @@ static int32_t virtio_net_flush_tx(VirtIONetQueue *q)
return -EINVAL;
}
if (n->needs_vnet_hdr_swap) {
- virtio_net_hdr_swap(vdev, (void *) &mhdr);
- sg2[0].iov_base = &mhdr;
+ virtio_net_hdr_swap(vdev, (void *) &vhdr);
+ sg2[0].iov_base = &vhdr;
sg2[0].iov_len = n->guest_hdr_len;
out_num = iov_copy(&sg2[1], ARRAY_SIZE(sg2) - 1,
out_sg, out_num,
--
2.41.0

185
SPECS/qemu-kvm.spec
Unescape View File

@ -83,7 +83,7 @@ Obsoletes: %1-rhev <= %{epoch}:%{version}-%{release}
Summary: QEMU is a machine emulator and virtualizer Summary: QEMU is a machine emulator and virtualizer
Name: qemu-kvm Name: qemu-kvm
Version: 6.2.0 Version: 6.2.0
Release: 40%{?rcrel}%{?dist}.2 Release: 49%{?rcrel}%{?dist}
# Epoch because we pushed a qemu-1.0 package. AIUI this can't ever be dropped # Epoch because we pushed a qemu-1.0 package. AIUI this can't ever be dropped
Epoch: 15 Epoch: 15
License: GPLv2 and GPLv2+ and CC-BY License: GPLv2 and GPLv2+ and CC-BY
@ -781,22 +781,72 @@ Patch309: kvm-i386-cpu-Update-how-the-EBX-register-of-CPUID-0x8000.patch
Patch310: kvm-target-i386-kvm-Fix-disabling-MPX-on-cpu-host-with-M.patch Patch310: kvm-target-i386-kvm-Fix-disabling-MPX-on-cpu-host-with-M.patch
# For bz#2215786 - CVE-2023-3301 virt:rhel/qemu-kvm: QEMU: net: triggerable assertion due to race condition in hot-unplug [rhel-8] # For bz#2215786 - CVE-2023-3301 virt:rhel/qemu-kvm: QEMU: net: triggerable assertion due to race condition in hot-unplug [rhel-8]
Patch311: kvm-vhost-vdpa-do-not-cleanup-the-vdpa-vhost-net-structu.patch Patch311: kvm-vhost-vdpa-do-not-cleanup-the-vdpa-vhost-net-structu.patch
# For RHEL-2186 - [RHEL8][pc machine type] Migration failed with pc machine type between rhe8.8 and rhel 8.9 # For bz#2218488 - CVE-2023-3255 virt:rhel/qemu-kvm: QEMU: VNC: infinite loop in inflate_buffer() leads to denial of service [rhel-8]
Patch312: kvm-acpi-fix-acpi_index-migration.patch Patch312: kvm-ui-vnc-clipboard-fix-infinite-loop-in-inflate_buffer.patch
# For RHEL-2186 - [RHEL8][pc machine type] Migration failed with pc machine type between rhe8.8 and rhel 8.9 # For bz#2111390 - [IBM 8.10 FEAT] KVM: Enable Secure Execution Crypto Passthrough - qemu part
Patch313: kvm-RHEL-Enable-x-not-migrate-acpi-index-for-all-pre-RHE.patch Patch313: kvm-s390x-ap-fix-missing-subsystem-reset-registration.patch
# For RHEL-7339 - CVE-2023-3354 virt:rhel/qemu-kvm: QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service [rhel-8.9.0] # For bz#2111390 - [IBM 8.10 FEAT] KVM: Enable Secure Execution Crypto Passthrough - qemu part
Patch314: kvm-io-remove-io-watch-if-TLS-channel-is-closed-during-h.patch Patch314: kvm-s390x-do-a-subsystem-reset-before-the-unprotect-on-r.patch
# For RHEL-16095 - CVE-2023-3019 virt:rhel/qemu-kvm: QEMU: e1000e: heap use-after-free in e1000e_write_packet_to_guest() [rhel-8.9.0.z] # For bz#2111390 - [IBM 8.10 FEAT] KVM: Enable Secure Execution Crypto Passthrough - qemu part
Patch315: kvm-net-Provide-MemReentrancyGuard-to-qemu_new_nic.patch Patch315: kvm-redhat-Update-linux-headers-for-kvm_s390_vm_cpu_uv_f.patch
# For RHEL-16095 - CVE-2023-3019 virt:rhel/qemu-kvm: QEMU: e1000e: heap use-after-free in e1000e_write_packet_to_guest() [rhel-8.9.0.z] # For bz#2111390 - [IBM 8.10 FEAT] KVM: Enable Secure Execution Crypto Passthrough - qemu part
Patch316: kvm-net-Update-MemReentrancyGuard-for-NIC.patch Patch316: kvm-target-s390x-kvm-Refactor-AP-functionalities.patch
# For RHEL-17253 - RHEL8 - KVM : Secure execution guest remains in "paused" state, post "virsh dump" failure (qemu-kvm) [rhel-8.9.0.z] # For bz#2111390 - [IBM 8.10 FEAT] KVM: Enable Secure Execution Crypto Passthrough - qemu part
Patch317: kvm-target-s390x-dump-Remove-unneeded-dump-info-function.patch Patch317: kvm-target-s390x-AP-passthrough-for-PV-guests.patch
# For RHEL-17253 - RHEL8 - KVM : Secure execution guest remains in "paused" state, post "virsh dump" failure (qemu-kvm) [rhel-8.9.0.z] # For RHEL-16696 - RHEL8 - KVM : Secure execution guest remains in "paused" state, post "virsh dump" failure (qemu-kvm)
Patch318: kvm-dump-Add-arch-cleanup-function.patch Patch318: kvm-target-s390x-dump-Remove-unneeded-dump-info-function.patch
# For RHEL-17253 - RHEL8 - KVM : Secure execution guest remains in "paused" state, post "virsh dump" failure (qemu-kvm) [rhel-8.9.0.z] # For RHEL-16696 - RHEL8 - KVM : Secure execution guest remains in "paused" state, post "virsh dump" failure (qemu-kvm)
Patch319: kvm-target-s390x-arch_dump-Add-arch-cleanup-function-for.patch Patch319: kvm-dump-Add-arch-cleanup-function.patch
# For RHEL-16696 - RHEL8 - KVM : Secure execution guest remains in "paused" state, post "virsh dump" failure (qemu-kvm)
Patch320: kvm-target-s390x-arch_dump-Add-arch-cleanup-function-for.patch
# For RHEL-7309 - CVE-2023-3019 virt:rhel/qemu-kvm: QEMU: e1000e: heap use-after-free in e1000e_write_packet_to_guest() [rhel-8]
Patch321: kvm-net-Provide-MemReentrancyGuard-to-qemu_new_nic.patch
# For RHEL-7309 - CVE-2023-3019 virt:rhel/qemu-kvm: QEMU: e1000e: heap use-after-free in e1000e_write_packet_to_guest() [rhel-8]
Patch322: kvm-net-Update-MemReentrancyGuard-for-NIC.patch
# For RHEL-7567 - [RHEL8][clone]VM crash when guest running testpmd and delete created vhostuserclient port on host
Patch323: kvm-vhost-release-memory_listener-object-in-error-path.patch
# For RHEL-2600 - qemu core dump occurs when client connects to VNC server because qemu cmd only adds vnc but without graphics device
Patch324: kvm-ui-fix-crash-when-there-are-no-active_console.patch
# For RHEL-15437 - CVE-2023-5088 virt:rhel/qemu-kvm: QEMU: improper IDE controller reset can lead to MBR overwrite [rhel-8]
Patch325: kvm-hw-ide-reset-cancel-async-DMA-operation-before-reset.patch
# For RHEL-15437 - CVE-2023-5088 virt:rhel/qemu-kvm: QEMU: improper IDE controller reset can lead to MBR overwrite [rhel-8]
Patch326: kvm-tests-qtest-ahci-test-add-test-exposing-reset-issue-.patch
# For RHEL-20189 - [RHEL.8.10.0]Failed to migrate guest with pc (i440x) between RHELAV 8.4.0 and RHEL 8.10.0
Patch327: kvm-acpi-fix-acpi_index-migration.patch
# For RHEL-20189 - [RHEL.8.10.0]Failed to migrate guest with pc (i440x) between RHELAV 8.4.0 and RHEL 8.10.0
Patch328: kvm-RHEL-Enable-x-not-migrate-acpi-index-for-all-pre-RHE.patch
# For RHEL-14870 - [rhel8]ipxe-roms-qemu does not provide efi-virtio.rom
Patch329: kvm-hw-arm-virt-Do-not-load-efi-virtio.rom-for-all-virti.patch
# For RHEL-18214 - [RHEL8][Secure-execution][s390x] The error message is not clear when boot up a SE guest with wrong encryption
Patch330: kvm-MAINTAINERS-split-out-s390x-sections.patch
# For RHEL-18214 - [RHEL8][Secure-execution][s390x] The error message is not clear when boot up a SE guest with wrong encryption
Patch331: kvm-s390x-pv-remove-semicolon-from-macro-definition.patch
# For RHEL-18214 - [RHEL8][Secure-execution][s390x] The error message is not clear when boot up a SE guest with wrong encryption
Patch332: kvm-hw-s390x-pv-Restrict-Protected-Virtualization-to-sys.patch
# For RHEL-18214 - [RHEL8][Secure-execution][s390x] The error message is not clear when boot up a SE guest with wrong encryption
Patch333: kvm-hw-s390x-Move-KVM-specific-PV-from-hw-to-target-s390.patch
# For RHEL-18214 - [RHEL8][Secure-execution][s390x] The error message is not clear when boot up a SE guest with wrong encryption
Patch334: kvm-target-s390x-kvm-pv-Provide-some-more-useful-informa.patch
# For RHEL-22411 - [s390x] VM fails to start with ISM passed through
Patch335: kvm-s390x-pci-avoid-double-enable-disable-of-aif.patch
# For RHEL-22411 - [s390x] VM fails to start with ISM passed through
Patch336: kvm-s390x-pci-refresh-fh-before-disabling-aif.patch
# For RHEL-22411 - [s390x] VM fails to start with ISM passed through
Patch337: kvm-s390x-pci-drive-ISM-reset-from-subsystem-reset.patch
# For RHEL-7353 - [qemu-kvm] no response with QMP command device_add when repeatedly hotplug/unplug virtio disks [RHEL-8]
Patch338: kvm-iotests-add-filter_qmp_generated_node_ids.patch
# For RHEL-7353 - [qemu-kvm] no response with QMP command device_add when repeatedly hotplug/unplug virtio disks [RHEL-8]
Patch339: kvm-iotests-port-141-to-Python-for-reliable-QMP-testing.patch
# For RHEL-7353 - [qemu-kvm] no response with QMP command device_add when repeatedly hotplug/unplug virtio disks [RHEL-8]
Patch340: kvm-monitor-only-run-coroutine-commands-in-qemu_aio_cont.patch
# For RHEL-7353 - [qemu-kvm] no response with QMP command device_add when repeatedly hotplug/unplug virtio disks [RHEL-8]
Patch341: kvm-iotests-Make-144-deterministic-again.patch
# For RHEL-19628 - CVE-2023-6683 virt:rhel/qemu-kvm: QEMU: VNC: NULL pointer dereference in qemu_clipboard_request() [rhel-8]
Patch342: kvm-glib-compat-Introduce-g_memdup2-wrapper.patch
# For RHEL-19628 - CVE-2023-6683 virt:rhel/qemu-kvm: QEMU: VNC: NULL pointer dereference in qemu_clipboard_request() [rhel-8]
Patch343: kvm-ui-clipboard-mark-type-as-not-available-when-there-i.patch
# For RHEL-19496 - CVE-2023-6693 virt:rhel/qemu-kvm: QEMU: virtio-net: stack buffer overflow in virtio_net_flush_tx() [rhel-8]
Patch344: kvm-virtio-net-correctly-copy-vnet-header-when-flushing-.patch
BuildRequires: wget BuildRequires: wget
BuildRequires: rpm-build BuildRequires: rpm-build
@ -1966,27 +2016,86 @@ sh %{_sysconfdir}/sysconfig/modules/kvm.modules &> /dev/null || :
%changelog %changelog
* Wed Nov 29 2023 Jon Maloy <jmaloy@redhat.com> - 6.2.0-40.el8_9.2 * Thu Mar 14 2024 Jon Maloy <jmaloy@redhat.com> - 6.2.0-49
- kvm-net-Provide-MemReentrancyGuard-to-qemu_new_nic.patch [RHEL-16095] - kvm-glib-compat-Introduce-g_memdup2-wrapper.patch [RHEL-19628]
- kvm-net-Update-MemReentrancyGuard-for-NIC.patch [RHEL-16095] - kvm-ui-clipboard-mark-type-as-not-available-when-there-i.patch [RHEL-19628]
- kvm-target-s390x-dump-Remove-unneeded-dump-info-function.patch [RHEL-17253] - kvm-virtio-net-correctly-copy-vnet-header-when-flushing-.patch [RHEL-19496]
- kvm-dump-Add-arch-cleanup-function.patch [RHEL-17253] - Resolves: RHEL-19628
- kvm-target-s390x-arch_dump-Add-arch-cleanup-function-for.patch [RHEL-17253] (CVE-2023-6683 virt:rhel/qemu-kvm: QEMU: VNC: NULL pointer dereference in qemu_clipboard_request() [rhel-8])
- Resolves: RHEL-16095 - Resolves: RHEL-19496
(CVE-2023-3019 virt:rhel/qemu-kvm: QEMU: e1000e: heap use-after-free in e1000e_write_packet_to_guest() [rhel-8.9.0.z]) (CVE-2023-6693 virt:rhel/qemu-kvm: QEMU: virtio-net: stack buffer overflow in virtio_net_flush_tx() [rhel-8])
- Resolves: RHEL-17253
(RHEL8 - KVM : Secure execution guest remains in "paused" state, post "virsh dump" failure (qemu-kvm) [rhel-8.9.0.z]) * Mon Feb 26 2024 Miroslav Rezanina <mrezanin@redhat.com> - 6.2.0-48
- kvm-iotests-add-filter_qmp_generated_node_ids.patch [RHEL-7353]
* Wed Sep 27 2023 Miroslav Rezanina <mrezanin@redhat.com> - 6.2.0-40.el8_9.1 - kvm-iotests-port-141-to-Python-for-reliable-QMP-testing.patch [RHEL-7353]
- kvm-io-remove-io-watch-if-TLS-channel-is-closed-during-h.patch [RHEL-7339] - kvm-monitor-only-run-coroutine-commands-in-qemu_aio_cont.patch [RHEL-7353]
- Resolves: RHEL-7339 - kvm-iotests-Make-144-deterministic-again.patch [RHEL-7353]
(CVE-2023-3354 virt:rhel/qemu-kvm: QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service [rhel-8.9.0]) - Resolves: RHEL-7353
([qemu-kvm] no response with QMP command device_add when repeatedly hotplug/unplug virtio disks [RHEL-8])
* Thu Sep 21 2023 Jon Maloy <jmaloy@redhat.com> - 6.2.0-40.el8_9
- kvm-acpi-fix-acpi_index-migration.patch [RHEL-2186] * Sat Feb 03 2024 Jon Maloy <jmaloy@redhat.com> - 6.2.0-47
- kvm-RHEL-Enable-x-not-migrate-acpi-index-for-all-pre-RHE.patch [RHEL-2186] - kvm-s390x-pci-avoid-double-enable-disable-of-aif.patch [RHEL-22411]
- Resolves: RHEL-2186 - kvm-s390x-pci-refresh-fh-before-disabling-aif.patch [RHEL-22411]
([RHEL8][pc machine type] Migration failed with pc machine type between rhe8.8 and rhel 8.9) - kvm-s390x-pci-drive-ISM-reset-from-subsystem-reset.patch [RHEL-22411]
- Resolves: RHEL-22411
([s390x] VM fails to start with ISM passed through)
* Wed Jan 17 2024 Jon Maloy <jmaloy@redhat.com> - 6.2.0-46
- kvm-MAINTAINERS-split-out-s390x-sections.patch [RHEL-18214]
- kvm-s390x-pv-remove-semicolon-from-macro-definition.patch [RHEL-18214]
- kvm-hw-s390x-pv-Restrict-Protected-Virtualization-to-sys.patch [RHEL-18214]
- kvm-hw-s390x-Move-KVM-specific-PV-from-hw-to-target-s390.patch [RHEL-18214]
- kvm-target-s390x-kvm-pv-Provide-some-more-useful-informa.patch [RHEL-18214]
- Resolves: RHEL-18214
([RHEL8][Secure-execution][s390x] The error message is not clear when boot up a SE guest with wrong encryption)
* Thu Jan 04 2024 Jon Maloy <jmaloy@redhat.com> - 6.2.0-45
- kvm-acpi-fix-acpi_index-migration.patch [RHEL-20189]
- kvm-RHEL-Enable-x-not-migrate-acpi-index-for-all-pre-RHE.patch [RHEL-20189]
- kvm-hw-arm-virt-Do-not-load-efi-virtio.rom-for-all-virti.patch [RHEL-14870]
- Resolves: RHEL-20189
([RHEL.8.10.0]Failed to migrate guest with pc (i440x) between RHELAV 8.4.0 and RHEL 8.10.0)
- Resolves: RHEL-14870
([rhel8]ipxe-roms-qemu does not provide efi-virtio.rom)
* Wed Dec 13 2023 Jon Maloy <jmaloy@redhat.com> - 6.2.0-44
- kvm-hw-ide-reset-cancel-async-DMA-operation-before-reset.patch [RHEL-15437]
- kvm-tests-qtest-ahci-test-add-test-exposing-reset-issue-.patch [RHEL-15437]
- Resolves: RHEL-15437
(CVE-2023-5088 virt:rhel/qemu-kvm: QEMU: improper IDE controller reset can lead to MBR overwrite [rhel-8])
* Wed Dec 06 2023 Jon Maloy <jmaloy@redhat.com> - 6.2.0-43
- kvm-net-Provide-MemReentrancyGuard-to-qemu_new_nic.patch [RHEL-7309]
- kvm-net-Update-MemReentrancyGuard-for-NIC.patch [RHEL-7309]
- kvm-vhost-release-memory_listener-object-in-error-path.patch [RHEL-7567]
- kvm-ui-fix-crash-when-there-are-no-active_console.patch [RHEL-2600]
- Resolves: RHEL-7309
(CVE-2023-3019 virt:rhel/qemu-kvm: QEMU: e1000e: heap use-after-free in e1000e_write_packet_to_guest() [rhel-8])
- Resolves: RHEL-7567
([RHEL8][clone]VM crash when guest running testpmd and delete created vhostuserclient port on host)
- Resolves: RHEL-2600
(qemu core dump occurs when client connects to VNC server because qemu cmd only adds vnc but without graphics device)
* Thu Nov 23 2023 Miroslav Rezanina <mrezanin@redhat.com> - 6.2.0-42
- kvm-target-s390x-dump-Remove-unneeded-dump-info-function.patch [RHEL-16696]
- kvm-dump-Add-arch-cleanup-function.patch [RHEL-16696]
- kvm-target-s390x-arch_dump-Add-arch-cleanup-function-for.patch [RHEL-16696]
- Resolves: RHEL-16696
(RHEL8 - KVM : Secure execution guest remains in "paused" state, post "virsh dump" failure (qemu-kvm))
* Fri Sep 29 2023 Jon Maloy <jmaloy@redhat.com> - 6.2.0-41
- kvm-s390x-ap-fix-missing-subsystem-reset-registration.patch [bz#2111390]
- kvm-s390x-do-a-subsystem-reset-before-the-unprotect-on-r.patch [bz#2111390]
- kvm-redhat-Update-linux-headers-for-kvm_s390_vm_cpu_uv_f.patch [bz#2111390]
- kvm-target-s390x-kvm-Refactor-AP-functionalities.patch [bz#2111390]
- kvm-target-s390x-AP-passthrough-for-PV-guests.patch [bz#2111390]
- Resolves: bz#2111390
([IBM 8.10 FEAT] KVM: Enable Secure Execution Crypto Passthrough - qemu part)
* Thu Sep 28 2023 Jon Maloy <jmaloy@redhat.com> - 6.2.0-40
- kvm-ui-vnc-clipboard-fix-infinite-loop-in-inflate_buffer.patch [bz#2218488]
- Resolves: bz#2218488
(CVE-2023-3255 virt:rhel/qemu-kvm: QEMU: VNC: infinite loop in inflate_buffer() leads to denial of service [rhel-8])
* Mon Aug 28 2023 Miroslav Rezanina <mrezanin@redhat.com> - 6.2.0-39 * Mon Aug 28 2023 Miroslav Rezanina <mrezanin@redhat.com> - 6.2.0-39
- kvm-vhost-vdpa-do-not-cleanup-the-vdpa-vhost-net-structu.patch [bz#2215786] - kvm-vhost-vdpa-do-not-cleanup-the-vdpa-vhost-net-structu.patch [bz#2215786]

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