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@ -290,16 +290,17 @@ Patch067: gdb-gcc-13-backport-self-move-diagnostic-fix
Patch068: gdb-backport-call-check_typedef-at-beginning-of-dwarf_expr_context.patch
# Backport "Fix an illegal memory access when parsing..."
# (Nick Clifton, RHBZ 2153227)
Patch069: gdb-rhbz2153227-fail-if-sh_info-is-zero.patch
# Backport "Add a recursion limit to the demangle_const function
# in the Rust demangler."
# (Nick Clifton, RHEL-4237)
Patch070: gdb-rhel-4237-rust-demangler-recursion-limit-1of2.patch
# Backport "Fix typo in recent code to add stack recursion limit to
# the Rust demangler."
# (Nick Clifton, RHEL-4327)
Patch071: gdb-rhel-4237-rust-demangler-recursion-limit-2of2.patch
# (Nick Clifton, RHBZ 2153228)
Patch069: gdb-rhbz2153228-fail-if-sh_info-is-zero.patch
# Backport Add a recursion limit to the demangle_const function in the Rust demangler.
# (Nick Clifton, RHEL-4234)
Patch070: libiberty-infinite-recursion-fix-1-of-2.patch
# Backport Fix typo in recent code to add stack recursion limit to the Rust demangler.
# (Nick Clifton)
Patch071: libiberty-infinite-recursion-fix-2-of-2.patch
Patch072: libiberty-infinite-recursion-fix-3-of-3.patch

@ -69,3 +69,4 @@
%patch069 -p1
%patch070 -p1
%patch071 -p1
%patch072 -p1

@ -1,10 +1,10 @@
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Wed, 19 Oct 2022 15:09:12 +0100
Subject: gdb-rhbz2153227-fail-if-sh_info-is-zero.patch
Subject: gdb-rhbz2153228-fail-if-sh_info-is-zero.patch
;; Backport "Fix an illegal memory access when parsing..."
;; (Nick Clifton, RHBZ 2153227)
;; (Nick Clifton, RHBZ 2153228)
PR 29699
* elf.c (_bfd_elf_slurp_version_tables): Fail if the sh_info field

@ -1,26 +0,0 @@
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Keith Seitz <keiths@redhat.com>
Date: Thu, 12 Oct 2023 15:16:40 -0400
Subject: gdb-rhel-4237-rust-demangler-recursion-limit-2of2.patch
;; Backport "Fix typo in recent code to add stack recursion limit to
;; the Rust demangler."
;; (Nick Clifton, RHEL-4327)
Fix typo in recent code to add stack recursion limit to the Rust demangler.
libiberty
* rust-demangle.c (demangle_const): Add a missing goto pass_return
at the end of the function.
diff --git a/libiberty/rust-demangle.c b/libiberty/rust-demangle.c
--- a/libiberty/rust-demangle.c
+++ b/libiberty/rust-demangle.c
@@ -1234,6 +1234,7 @@ demangle_const (struct rust_demangler *rdm)
PRINT (": ");
PRINT (basic_type (ty_tag));
}
+ goto pass_return;
fail_return:
rdm->errored = 1;

@ -1,15 +1,14 @@
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Keith Seitz <keiths@redhat.com>
Date: Thu, 12 Oct 2023 15:03:51 -0400
Subject: gdb-rhel-4237-rust-demangler-recursion-limit-1of2.patch
From: Nick Clifton <nickc@redhat.com>
Date: Fri, 1 Jul 2022 15:58:52 +0100
Subject: libiberty-infinite-recursion-fix-1-of-2.patch
;; Backport "Add a recursion limit to the demangle_const function
;; in the Rust demangler."
;; (Nick Clifton, RHEL-4237)
;; Backport Add a recursion limit to the demangle_const function in the Rust demangler.
;; (Nick Clifton, RHEL-4234)
libiberty/
PR demangler/105039
* rust-demangle.c (demangle_const): Add recursion limit.
PR demangler/105039
* rust-demangle.c (demangle_const): Add recursion limit.
diff --git a/libiberty/rust-demangle.c b/libiberty/rust-demangle.c
--- a/libiberty/rust-demangle.c
@ -23,38 +22,7 @@ diff --git a/libiberty/rust-demangle.c b/libiberty/rust-demangle.c
{
c = next (rdm);
x *= 62;
@@ -1082,6 +1082,18 @@ demangle_path_maybe_open_generics (struct rust_demangler *rdm)
if (rdm->errored)
return open;
+ if (rdm->recursion != RUST_NO_RECURSION_LIMIT)
+ {
+ ++ rdm->recursion;
+ if (rdm->recursion > RUST_MAX_RECURSION_COUNT)
+ {
+ /* FIXME: There ought to be a way to report
+ that the recursion limit has been reached. */
+ rdm->errored = 1;
+ goto end_of_func;
+ }
+ }
+
if (eat (rdm, 'B'))
{
backref = parse_integer_62 (rdm);
@@ -1107,6 +1119,11 @@ demangle_path_maybe_open_generics (struct rust_demangler *rdm)
}
else
demangle_path (rdm, 0);
+
+ end_of_func:
+ if (rdm->recursion != RUST_NO_RECURSION_LIMIT)
+ -- rdm->recursion;
+
return open;
}
@@ -1148,6 +1165,15 @@ demangle_const (struct rust_demangler *rdm)
@@ -1148,6 +1148,15 @@ demangle_const (struct rust_demangler *rdm)
if (rdm->errored)
return;
@ -70,7 +38,7 @@ diff --git a/libiberty/rust-demangle.c b/libiberty/rust-demangle.c
if (eat (rdm, 'B'))
{
backref = parse_integer_62 (rdm);
@@ -1158,7 +1184,7 @@ demangle_const (struct rust_demangler *rdm)
@@ -1158,7 +1167,7 @@ demangle_const (struct rust_demangler *rdm)
demangle_const (rdm);
rdm->next = old_next;
}
@ -79,7 +47,7 @@ diff --git a/libiberty/rust-demangle.c b/libiberty/rust-demangle.c
}
ty_tag = next (rdm);
@@ -1167,7 +1193,7 @@ demangle_const (struct rust_demangler *rdm)
@@ -1167,7 +1176,7 @@ demangle_const (struct rust_demangler *rdm)
/* Placeholder. */
case 'p':
PRINT ("_");
@ -88,7 +56,7 @@ diff --git a/libiberty/rust-demangle.c b/libiberty/rust-demangle.c
/* Unsigned integer types. */
case 'h':
@@ -1200,18 +1226,20 @@ demangle_const (struct rust_demangler *rdm)
@@ -1200,18 +1209,20 @@ demangle_const (struct rust_demangler *rdm)
break;
default:

@ -0,0 +1,23 @@
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Mon, 4 Jul 2022 16:31:18 +0100
Subject: libiberty-infinite-recursion-fix-2-of-2.patch
;; Backport Fix typo in recent code to add stack recursion limit to the Rust demangler.
;; (Nick Clifton)
libiberty
* rust-demangle.c (demangle_const): Add a missing goto pass_return
at the end of the function.
diff --git a/libiberty/rust-demangle.c b/libiberty/rust-demangle.c
--- a/libiberty/rust-demangle.c
+++ b/libiberty/rust-demangle.c
@@ -1217,6 +1217,7 @@ demangle_const (struct rust_demangler *rdm)
PRINT (": ");
PRINT (basic_type (ty_tag));
}
+ goto pass_return;
fail_return:
rdm->errored = 1;

@ -0,0 +1,40 @@
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Guinevere Larsen <blarsen@redhat.com>
Date: Mon, 30 Oct 2023 12:48:01 +0100
Subject: libiberty-infinite-recursion-fix-3-of-3.patch
fix backport error in patch 1 of this series.
diff --git a/libiberty/rust-demangle.c b/libiberty/rust-demangle.c
--- a/libiberty/rust-demangle.c
+++ b/libiberty/rust-demangle.c
@@ -1082,6 +1082,18 @@ demangle_path_maybe_open_generics (struct rust_demangler *rdm)
if (rdm->errored)
return open;
+ if (rdm->recursion != RUST_NO_RECURSION_LIMIT)
+ {
+ ++ rdm ->recursion;
+ if (rdm->recursion > RUST_MAX_RECURSION_COUNT)
+ {
+ /* FIXME: there ought to be a way to report
+ that the recorsion limit has been reached. */
+ rdm->errored = 1;
+ goto end_of_func;
+ }
+ }
+
if (eat (rdm, 'B'))
{
backref = parse_integer_62 (rdm);
@@ -1107,6 +1119,10 @@ demangle_path_maybe_open_generics (struct rust_demangler *rdm)
}
else
demangle_path (rdm, 0);
+ end_of_func:
+ if (rdm->recursion != RUST_NO_RECURSION_LIMIT)
+ -- rdm->recursion;
+
return open;
}

@ -73,7 +73,7 @@ Version: 12.1
# The release always contains a leading reserved number, start it at 1.
# `upstream' is not a part of `name' to stay fully rpm dependencies compatible for the testing.
Release: 4%{?dist}
Release: 5%{?dist}
License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ and GPLv2+ with exceptions and GPL+ and LGPLv2+ and LGPLv3+ and BSD and Public Domain and GFDL
# Do not provide URL for snapshots as the file lasts there only for 2 days.
@ -1205,18 +1205,22 @@ fi
%endif
%changelog
* Thu Oct 12 2023 Keith Seitz <keiths@redhat.com> - 12.1-4.el8
- Backport "Add a recursion limit to the demangle_const function
in the Rust demangler."
(Nick Clifton, RHEL-4237)
* Mon Oct 30 2023 Guinevere Larsen <blarsen@redhat.com> - 12.1-5.el9
- Fix issue introduced when backporting the recursion limit to the rust demangler.
* Tue Jun 13 2023 Keith Seitz <keiths@redhat.com> - 12.1-3.el8
* Tue Oct 10 2023 Guinevere Larsen <blarsen@redhat.com> - 12.1-4.el9
- Backport "Fix typo in recent code to add stack recursion limit to the Rust demangler."
(Nick Clifton)
- Backport "Add a recursion limit to the demangle_const function in the Rust demangler."
(Nick Clifton, RHEL-4234)
* Tue Jun 13 2023 Keith Seitz <keiths@redhat.com> - 12.1-3.el9
- Backport "Update gdb-add-index.sh ..."
(Andrew Burgess, RHBZ 2214593)
(Andrew Burgess, RHBZ 2213228)
* Thu Apr 27 2023 Keith Seitz <keiths@redhat.com> - 12.1-2.el9
- Backport binutls/29699 "Fix an illegal memory access when parsing..."
(Nick Clifton, RHBZ 2153227)
(Nick Clifton, RHBZ 2153228)
* Tue Apr 18 2023 Keith Seitz <keiths@redhat.com> - 12.1-1.el9
- Initial import for GTS13.

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