mirror of
https://gitlab.alpinelinux.org/alpine/aports.git
synced 2025-11-04 10:21:36 +01:00
71 lines
3.2 KiB
Diff
71 lines
3.2 KiB
Diff
diff --git a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
|
|
index 5f81dff..85b7ea0 100644
|
|
--- a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
|
|
+++ b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
|
|
@@ -129,23 +129,13 @@ namespace sandbox {
|
|
// CLONE_VM, nor CLONE_THREAD, which includes all fork() implementations.
|
|
ResultExpr RestrictCloneToThreadsAndEPERMFork() {
|
|
const Arg<unsigned long> flags(0);
|
|
+ const int required = CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
|
|
+ CLONE_THREAD | CLONE_SYSVSEM;
|
|
+ const int safe = CLONE_SETTLS | CLONE_PARENT_SETTID | CLONE_CHILD_CLEARTID |
|
|
+ CLONE_DETACHED;
|
|
+ const BoolExpr thread_clone_ok = (flags&~safe)==required;
|
|
|
|
- // TODO(mdempsky): Extend DSL to support (flags & ~mask1) == mask2.
|
|
- const uint64_t kAndroidCloneMask = CLONE_VM | CLONE_FS | CLONE_FILES |
|
|
- CLONE_SIGHAND | CLONE_THREAD |
|
|
- CLONE_SYSVSEM;
|
|
- const uint64_t kObsoleteAndroidCloneMask = kAndroidCloneMask | CLONE_DETACHED;
|
|
-
|
|
- const uint64_t kGlibcPthreadFlags =
|
|
- CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND | CLONE_THREAD |
|
|
- CLONE_SYSVSEM | CLONE_SETTLS | CLONE_PARENT_SETTID | CLONE_CHILD_CLEARTID;
|
|
- const BoolExpr glibc_test = flags == kGlibcPthreadFlags;
|
|
-
|
|
- const BoolExpr android_test =
|
|
- AnyOf(flags == kAndroidCloneMask, flags == kObsoleteAndroidCloneMask,
|
|
- flags == kGlibcPthreadFlags);
|
|
-
|
|
- return If(IsAndroid() ? android_test : glibc_test, Allow())
|
|
+ return If(thread_clone_ok, Allow())
|
|
.ElseIf((flags & (CLONE_VM | CLONE_THREAD)) == 0, Error(EPERM))
|
|
.Else(CrashSIGSYSClone());
|
|
}
|
|
diff --git a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
|
|
index 1d9f95c..21fbe21 100644
|
|
--- a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
|
|
+++ b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
|
|
@@ -373,6 +373,7 @@ bool SyscallSets::IsAllowedProcessStartOrDeath(int sysno) {
|
|
#if defined(__i386__)
|
|
case __NR_waitpid:
|
|
#endif
|
|
+ case __NR_set_tid_address:
|
|
return true;
|
|
case __NR_clone: // Should be parameter-restricted.
|
|
case __NR_setns: // Privileged.
|
|
@@ -385,7 +386,6 @@ bool SyscallSets::IsAllowedProcessStartOrDeath(int sysno) {
|
|
#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
|
|
case __NR_set_thread_area:
|
|
#endif
|
|
- case __NR_set_tid_address:
|
|
case __NR_unshare:
|
|
#if !defined(__mips__) && !defined(__aarch64__)
|
|
case __NR_vfork:
|
|
@@ -492,6 +492,7 @@ bool SyscallSets::IsAllowedAddressSpaceAccess(int sysno) {
|
|
case __NR_mlock:
|
|
case __NR_munlock:
|
|
case __NR_munmap:
|
|
+ case __NR_mremap:
|
|
return true;
|
|
case __NR_madvise:
|
|
case __NR_mincore:
|
|
@@ -507,7 +508,6 @@ bool SyscallSets::IsAllowedAddressSpaceAccess(int sysno) {
|
|
case __NR_modify_ldt:
|
|
#endif
|
|
case __NR_mprotect:
|
|
- case __NR_mremap:
|
|
case __NR_msync:
|
|
case __NR_munlockall:
|
|
case __NR_readahead:
|