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From da52663deec77f705d7d58b18484c3e28e563f10 Mon Sep 17 00:00:00 2001
From: Shawn Anastasio <shawnanastasio@yahoo.com>
Date: Tue, 18 Sep 2018 18:39:28 -0500
Subject: [PATCH] sandbox/linux: Update syscall helpers/lists for ppc64
---
.../seccomp-bpf-helpers/baseline_policy.cc | 8 +-
.../syscall_parameters_restrictions.cc | 2 +-
.../syscall_parameters_restrictions.h | 2 +-
.../linux/seccomp-bpf-helpers/syscall_sets.cc | 108 ++++++++++--------
.../linux/seccomp-bpf-helpers/syscall_sets.h | 6 +-
sandbox/linux/services/syscall_wrappers.cc | 2 +-
6 files changed, 73 insertions(+), 55 deletions(-)
Index: chromium-128.0.6613.113/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
===================================================================
--- chromium-128.0.6613.113.orig/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
+++ chromium-128.0.6613.113/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
@@ -90,7 +90,8 @@ bool IsBaselinePolicyWatched(int sysno)
SyscallSets::IsPrctl(sysno) ||
SyscallSets::IsProcessGroupOrSession(sysno) ||
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
SyscallSets::IsSocketCall(sysno) ||
#endif
#if defined(__arm__)
@@ -255,7 +256,7 @@ ResultExpr EvaluateSyscallImpl(int fs_de
}
#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
if (sysno == __NR_mmap)
return RestrictMmapFlags();
#endif
@@ -276,7 +277,7 @@ ResultExpr EvaluateSyscallImpl(int fs_de
return RestrictPrctl();
#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
if (sysno == __NR_socketpair) {
// Only allow AF_UNIX, PF_UNIX. Crash if anything else is seen.
static_assert(AF_UNIX == PF_UNIX,
@@ -340,7 +341,8 @@ ResultExpr EvaluateSyscallImpl(int fs_de
}
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
if (SyscallSets::IsSocketCall(sysno))
return RestrictSocketcallCommand();
#endif
Index: chromium-128.0.6613.113/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
===================================================================
--- chromium-128.0.6613.113.orig/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
+++ chromium-128.0.6613.113/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
@@ -36,7 +36,7 @@
#include "sandbox/linux/system_headers/linux_time.h"
#if (BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)) && \
- !defined(__arm__) && !defined(__aarch64__) && \
+ !defined(__arm__) && !defined(__aarch64__) && !defined(__powerpc64__) && \
!defined(PTRACE_GET_THREAD_AREA)
// Also include asm/ptrace-abi.h since ptrace.h in older libc (for instance
// the one in Ubuntu 16.04 LTS) is missing PTRACE_GET_THREAD_AREA.
@@ -45,6 +45,11 @@
#include <asm/ptrace-abi.h>
#endif
+// On PPC64, TCGETS is defined in terms of struct termios, so we must include termios.h
+#ifdef __powerpc64__
+#include <termios.h>
+#endif
+
#if BUILDFLAG(IS_ANDROID)
#if !defined(F_DUPFD_CLOEXEC)
@@ -102,6 +107,15 @@ inline bool IsArchitectureMips() {
#endif
}
+inline bool IsArchitecturePPC64() {
+#if defined(__powerpc64__)
+ return true;
+#else
+ return false;
+#endif
+}
+
+
// Ubuntu's version of glibc has a race condition in sem_post that can cause
// it to call futex(2) with bogus op arguments. To workaround this, we need
// to allow those futex(2) calls to fail with EINVAL, instead of crashing the
@@ -269,9 +283,11 @@ ResultExpr RestrictFcntlCommands() {
// operator.
// Glibc overrides the kernel's O_LARGEFILE value. Account for this.
uint64_t kOLargeFileFlag = O_LARGEFILE;
- if (IsArchitectureX86_64() || IsArchitectureI386() || IsArchitectureMips())
+ if (IsArchitectureX86_64() || IsArchitectureI386() || IsArchitectureMips() \
+ || IsArchitecturePPC64())
kOLargeFileFlag = 0100000;
+
const Arg<int> cmd(1);
const Arg<long> long_arg(2);
@@ -294,8 +310,17 @@ ResultExpr RestrictFcntlCommands() {
F_SETLKW,
F_GETLK,
F_DUPFD,
- F_DUPFD_CLOEXEC},
- Allow())
+ F_DUPFD_CLOEXEC
+#if defined(__powerpc64__)
+// On PPC64, F_SETLK, F_GETLK, F_SETLKW are defined as the 64-bit variants
+// but glibc will sometimes still use the 32-bit versions. Allow both.
+ ,
+ 5, /* F_GETLK (32) */
+ 6, /* F_SETLK (32) */
+ 7 /* F_SETLKW (32) */
+#endif
+ },
+ Allow())
.Case(F_SETFL,
If((long_arg & ~kAllowedMask) == 0, Allow()).Else(CrashSIGSYS()))
.Case(F_ADD_SEALS,
@@ -304,7 +329,7 @@ ResultExpr RestrictFcntlCommands() {
// clang-format on
}
-#if defined(__i386__) || defined(__mips__)
+#if defined(__i386__) || defined(__mips__) || defined(__powerpc64__)
ResultExpr RestrictSocketcallCommand() {
// Unfortunately, we are unable to restrict the first parameter to
// socketpair(2). Whilst initially sounding bad, it's noteworthy that very
@@ -463,7 +488,7 @@ ResultExpr RestrictPtrace() {
#endif
return Switch(request)
.Cases({
-#if !defined(__aarch64__)
+#if !defined(__aarch64__) && !defined(__powerpc64__)
PTRACE_GETREGS, PTRACE_GETFPREGS, PTRACE_GET_THREAD_AREA,
PTRACE_GETREGSET,
#endif
Index: chromium-128.0.6613.113/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h
===================================================================
--- chromium-128.0.6613.113.orig/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h
+++ chromium-128.0.6613.113/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h
@@ -52,7 +52,7 @@ SANDBOX_EXPORT bpf_dsl::ResultExpr Restr
// O_NONBLOCK | O_SYNC | O_LARGEFILE | O_CLOEXEC | O_NOATIME.
SANDBOX_EXPORT bpf_dsl::ResultExpr RestrictFcntlCommands();
-#if defined(__i386__) || defined(__mips__)
+#if defined(__i386__) || defined(__mips__) || defined(__powerpc64__)
// Restrict socketcall(2) to only allow socketpair(2), send(2), recv(2),
// sendto(2), recvfrom(2), shutdown(2), sendmsg(2) and recvmsg(2).
SANDBOX_EXPORT bpf_dsl::ResultExpr RestrictSocketcallCommand();
Index: chromium-128.0.6613.113/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
===================================================================
--- chromium-128.0.6613.113.orig/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
+++ chromium-128.0.6613.113/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
@@ -29,7 +29,8 @@ bool SyscallSets::IsAllowedGettime(int s
switch (sysno) {
case __NR_gettimeofday:
#if defined(__i386__) || defined(__x86_64__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_time:
#endif
return true;
@@ -52,12 +53,14 @@ bool SyscallSets::IsAllowedGettime(int s
case __NR_clock_nanosleep_time64: // Parameters filtered by RestrictClockID().
#endif
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_ftime: // Obsolete.
#endif
case __NR_settimeofday: // Privileged.
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_stime:
#endif
default:
@@ -136,7 +139,7 @@ bool SyscallSets::IsFileSystem(int sysno
case __NR_faccessat2:
case __NR_fchmodat:
case __NR_fchownat: // Should be called chownat ?
-#if defined(__x86_64__) || defined(__aarch64__)
+#if defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__)
case __NR_newfstatat: // fstatat(). EPERM not a valid errno.
#elif defined(__i386__) || defined(__arm__) || \
(defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
@@ -155,7 +158,7 @@ bool SyscallSets::IsFileSystem(int sysno
case __NR_memfd_create:
case __NR_mkdirat:
case __NR_mknodat:
-#if defined(__i386__)
+#if defined(__i386__) || defined(__powerpc64__)
case __NR_oldlstat:
case __NR_oldstat:
#endif
@@ -169,7 +172,8 @@ bool SyscallSets::IsFileSystem(int sysno
#endif
case __NR_statfs: // EPERM not a valid errno.
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_statfs64:
#endif
case __NR_statx: // EPERM not a valid errno.
@@ -180,7 +184,8 @@ bool SyscallSets::IsFileSystem(int sysno
case __NR_truncate64:
#endif
case __NR_unlinkat:
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_utime:
#endif
case __NR_utimensat: // New.
@@ -220,7 +225,8 @@ bool SyscallSets::IsAllowedFileSystemAcc
#endif
return true;
// TODO(jln): these should be denied gracefully as well (moved below).
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_fadvise64: // EPERM not a valid errno.
#endif
#if defined(__i386__)
@@ -233,11 +239,12 @@ bool SyscallSets::IsAllowedFileSystemAcc
case __NR_flock: // EPERM not a valid errno.
case __NR_fstatfs: // Give information about the whole filesystem.
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_fstatfs64:
#endif
case __NR_fsync: // EPERM not a valid errno.
-#if defined(__i386__)
+#if defined(__i386__) || defined(__powerpc64__)
case __NR_oldfstat:
#endif
#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
@@ -245,6 +252,8 @@ bool SyscallSets::IsAllowedFileSystemAcc
case __NR_sync_file_range: // EPERM not a valid errno.
#elif defined(__arm__)
case __NR_arm_sync_file_range: // EPERM not a valid errno.
+#elif defined(__powerpc64__)
+ case __NR_sync_file_range2: // EPERM not a valid errno.
#endif
default:
return false;
@@ -265,7 +274,8 @@ bool SyscallSets::IsDeniedFileSystemAcce
#endif
case __NR_getdents64: // EPERM not a valid errno.
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_readdir:
#endif
return true;
@@ -306,7 +316,7 @@ bool SyscallSets::IsGetSimpleId(int sysn
bool SyscallSets::IsProcessPrivilegeChange(int sysno) {
switch (sysno) {
case __NR_capset:
-#if defined(__i386__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__powerpc64__)
case __NR_ioperm: // Intel privilege.
case __NR_iopl: // Intel privilege.
#endif
@@ -362,7 +372,8 @@ bool SyscallSets::IsAllowedSignalHandlin
// overflow.
case __NR_sigaltstack:
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_rt_sigtimedwait_time64:
case __NR_sigaction:
case __NR_sigprocmask:
@@ -378,7 +389,8 @@ bool SyscallSets::IsAllowedSignalHandlin
#endif
case __NR_signalfd4:
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_sigpending:
case __NR_sigsuspend:
#endif
@@ -402,7 +414,7 @@ bool SyscallSets::IsAllowedOperationOnFd
#endif
case __NR_dup3:
#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_shutdown:
#endif
return true;
@@ -435,7 +447,7 @@ bool SyscallSets::IsAllowedProcessStartO
case __NR_exit_group:
case __NR_wait4:
case __NR_waitid:
-#if defined(__i386__)
+#if defined(__i386__) || defined(__powerpc64__)
case __NR_waitpid:
#endif
return true;
@@ -452,7 +464,7 @@ bool SyscallSets::IsAllowedProcessStartO
#endif
case __NR_set_tid_address:
case __NR_unshare:
-#if !defined(__mips__) && !defined(__aarch64__)
+#if !defined(__mips__) && !defined(__aarch64__) || defined(__powerpc64__)
case __NR_vfork:
#endif
default:
@@ -499,7 +511,7 @@ bool SyscallSets::IsAllowedEpoll(int sys
bool SyscallSets::IsDeniedGetOrModifySocket(int sysno) {
switch (sysno) {
#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_accept:
case __NR_accept4:
case __NR_bind:
@@ -514,7 +526,8 @@ bool SyscallSets::IsDeniedGetOrModifySoc
}
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
// Big multiplexing system call for sockets.
bool SyscallSets::IsSocketCall(int sysno) {
switch (sysno) {
@@ -528,7 +541,8 @@ bool SyscallSets::IsSocketCall(int sysno
}
#endif
-#if defined(__x86_64__) || defined(__arm__) || defined(__mips__)
+#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
+ defined(__powerpc64__)
bool SyscallSets::IsNetworkSocketInformation(int sysno) {
switch (sysno) {
case __NR_getpeername:
@@ -553,7 +567,7 @@ bool SyscallSets::IsAllowedAddressSpaceA
case __NR_mincore:
case __NR_mlockall:
#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_mmap:
#endif
#if defined(__i386__) || defined(__arm__) || \
@@ -583,7 +597,8 @@ bool SyscallSets::IsAllowedGeneralIo(int
switch (sysno) {
case __NR_lseek:
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR__llseek:
#endif
#if !defined(__aarch64__)
@@ -603,26 +618,28 @@ bool SyscallSets::IsAllowedGeneralIo(int
case __NR_readv:
case __NR_pread64:
#if defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_recv:
#endif
#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_recvfrom: // Could specify source.
case __NR_recvmsg: // Could specify source.
#endif
-#if defined(__i386__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__powerpc64__)
case __NR_select:
#endif
-#if defined(__i386__) || defined(__arm__) || defined(__mips__)
+#if defined(__i386__) || defined(__arm__) || defined(__mips__) || defined(__powerpc64__)
case __NR__newselect:
#endif
#if defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_send:
#endif
#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_sendmsg: // Could specify destination.
case __NR_sendto: // Could specify destination.
#endif
@@ -678,7 +695,8 @@ bool SyscallSets::IsAllowedBasicSchedule
return true;
case __NR_getpriority:
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_nice:
#endif
case __NR_setpriority:
@@ -690,7 +708,8 @@ bool SyscallSets::IsAllowedBasicSchedule
bool SyscallSets::IsAdminOperation(int sysno) {
switch (sysno) {
#if defined(__i386__) || defined(__arm__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_bdflush:
#endif
case __NR_kexec_load:
@@ -706,7 +725,8 @@ bool SyscallSets::IsAdminOperation(int s
bool SyscallSets::IsKernelModule(int sysno) {
switch (sysno) {
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_create_module:
case __NR_get_kernel_syms: // Should ENOSYS.
case __NR_query_module:
@@ -739,7 +759,8 @@ bool SyscallSets::IsFsControl(int sysno)
case __NR_swapoff:
case __NR_swapon:
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_umount:
#endif
case __NR_umount2:
@@ -755,7 +776,7 @@ bool SyscallSets::IsNuma(int sysno) {
case __NR_getcpu:
case __NR_mbind:
#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_migrate_pages:
#endif
case __NR_move_pages:
@@ -790,14 +811,15 @@ bool SyscallSets::IsGlobalProcessEnviron
switch (sysno) {
case __NR_acct: // Privileged.
#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
case __NR_getrlimit:
#endif
-#if defined(__i386__) || defined(__arm__)
+#if defined(__i386__) || defined(__arm__) || defined(__powerpc64__)
case __NR_ugetrlimit:
#endif
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_ulimit:
#endif
case __NR_getrusage:
@@ -831,7 +853,7 @@ bool SyscallSets::IsGlobalSystemStatus(i
#endif
case __NR_sysinfo:
case __NR_uname:
-#if defined(__i386__)
+#if defined(__i386__) || defined(__powerpc64__)
case __NR_olduname:
case __NR_oldolduname:
#endif
@@ -915,7 +937,8 @@ bool SyscallSets::IsSystemVSemaphores(in
#if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || \
defined(__aarch64__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_64_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_64_BITS)) || \
+ defined(__powerpc64__)
// These give a lot of ambient authority and bypass the setuid sandbox.
bool SyscallSets::IsSystemVSharedMemory(int sysno) {
switch (sysno) {
@@ -946,7 +969,8 @@ bool SyscallSets::IsSystemVMessageQueue(
#endif
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
// Big system V multiplexing system call.
bool SyscallSets::IsSystemVIpc(int sysno) {
switch (sysno) {
@@ -966,7 +990,8 @@ bool SyscallSets::IsAnySystemV(int sysno
return IsSystemVMessageQueue(sysno) || IsSystemVSemaphores(sysno) ||
IsSystemVSharedMemory(sysno);
#elif defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
return IsSystemVIpc(sysno);
#endif
}
@@ -1023,7 +1048,8 @@ bool SyscallSets::IsFaNotify(int sysno)
bool SyscallSets::IsTimer(int sysno) {
switch (sysno) {
case __NR_getitimer:
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_alarm:
#endif
case __NR_setitimer:
@@ -1102,18 +1128,22 @@ bool SyscallSets::IsMisc(int sysno) {
case __NR_syncfs:
case __NR_vhangup:
// The system calls below are not implemented.
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_afs_syscall:
#endif
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_break:
#endif
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_getpmsg:
#endif
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_gtty:
case __NR_idle:
case __NR_lock:
@@ -1121,20 +1151,22 @@ bool SyscallSets::IsMisc(int sysno) {
case __NR_prof:
case __NR_profil:
#endif
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__powerpc64__)
case __NR_putpmsg:
#endif
#if defined(__x86_64__)
case __NR_security:
#endif
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
case __NR_stty:
#endif
-#if defined(__x86_64__)
+#if defined(__x86_64__) || defined(__powerpc64__)
case __NR_tuxcall:
#endif
-#if !defined(__aarch64__)
+#if !defined(__aarch64__) && !defined(__powerpc64__)
case __NR_vserver:
#endif
return true;
Index: chromium-128.0.6613.113/sandbox/linux/seccomp-bpf-helpers/syscall_sets.h
===================================================================
--- chromium-128.0.6613.113.orig/sandbox/linux/seccomp-bpf-helpers/syscall_sets.h
+++ chromium-128.0.6613.113/sandbox/linux/seccomp-bpf-helpers/syscall_sets.h
@@ -46,13 +46,14 @@ class SANDBOX_EXPORT SyscallSets {
static bool IsDeniedGetOrModifySocket(int sysno);
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
// Big multiplexing system call for sockets.
static bool IsSocketCall(int sysno);
#endif
#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
- defined(__aarch64__)
+ defined(__aarch64__) || defined(__powerpc64__)
static bool IsNetworkSocketInformation(int sysno);
#endif
@@ -84,7 +85,8 @@ class SANDBOX_EXPORT SyscallSets {
#endif
#if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || \
defined(__aarch64__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_64_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_64_BITS)) || \
+ defined(__powerpc64__)
// These give a lot of ambient authority and bypass the setuid sandbox.
static bool IsSystemVSharedMemory(int sysno);
#endif
@@ -95,7 +97,8 @@ class SANDBOX_EXPORT SyscallSets {
#endif
#if defined(__i386__) || \
- (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+ (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
+ defined(__powerpc64__)
// Big system V multiplexing system call.
static bool IsSystemVIpc(int sysno);
#endif
Index: chromium-128.0.6613.113/sandbox/linux/services/syscall_wrappers.cc
===================================================================
--- chromium-128.0.6613.113.orig/sandbox/linux/services/syscall_wrappers.cc
+++ chromium-128.0.6613.113/sandbox/linux/services/syscall_wrappers.cc
@@ -61,7 +61,7 @@ long sys_clone(unsigned long flags,
#if defined(ARCH_CPU_X86_64)
return syscall(__NR_clone, flags, child_stack, ptid, ctid, tls);
#elif defined(ARCH_CPU_X86) || defined(ARCH_CPU_ARM_FAMILY) || \
- defined(ARCH_CPU_MIPS_FAMILY)
+ defined(ARCH_CPU_MIPS_FAMILY) || defined(ARCH_CPU_PPC64_FAMILY)
// CONFIG_CLONE_BACKWARDS defined.
return syscall(__NR_clone, flags, child_stack, ptid, tls, ctid);
#endif
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