repo/testing/qt5-webengine/patches/0032-chromium-musl-sandbox.patch

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 348ab6e8c..4550f9e8d 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
@@ -139,21 +139,11 @@ namespace sandbox {
 // present (as in newer versions of posix_spawn).
 ResultExpr RestrictCloneToThreadsAndEPERMFork() {
   const Arg<unsigned long> flags(0);
-
-  // 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);
+  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;

   // The following two flags are the two important flags in any vfork-emulating
   // clone call. EPERM any clone call that contains both of them.
@@ -163,7 +153,7 @@ ResultExpr RestrictCloneToThreadsAndEPERMFork() {
       AnyOf((flags & (CLONE_VM | CLONE_THREAD)) == 0,
             (flags & kImportantCloneVforkFlags) == kImportantCloneVforkFlags);

-  return If(IsAndroid() ? android_test : glibc_test, Allow())
+  return If(thread_clone_ok, Allow())
       .ElseIf(is_fork_or_clone_vfork, 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 7dbcc8752..782be7840 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
@@ -391,6 +391,7 @@ 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.
@@ -403,7 +404,6 @@ 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:
@@ -513,6 +513,8 @@ bool SyscallSets::IsAllowedAddressSpaceAccess(int sysno) {
     case __NR_mlock:
     case __NR_munlock:
     case __NR_munmap:
+    case __NR_mremap:
+    case __NR_membarrier:
       return true;
     case __NR_madvise:
     case __NR_mincore:
@@ -530,7 +532,6 @@ 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:
diff --git a/src/3rdparty/chromium/sandbox/linux/system_headers/x86_64_linux_syscalls.h b/src/3rdparty/chromium/sandbox/linux/system_headers/x86_64_linux_syscalls.h
index 349504aee..ea3c7c91d 100644
--- a/src/3rdparty/chromium/sandbox/linux/system_headers/x86_64_linux_syscalls.h
+++ b/src/3rdparty/chromium/sandbox/linux/system_headers/x86_64_linux_syscalls.h
@@ -1290,5 +1290,9 @@
 #define __NR_memfd_create 319
 #endif

+#if !defined(__NR_membarrier)
+#define __NR_membarrier 324
+#endif
+
 #endif  // SANDBOX_LINUX_SYSTEM_HEADERS_X86_64_LINUX_SYSCALLS_H_

diff --git a/src/3rdparty/chromium/services/service_manager/sandbox/linux/bpf_renderer_policy_linux.cc b/src/3rdparty/chromium/services/service_manager/sandbox/linux/bpf_renderer_policy_linux.cc
index 017f13cf7..5cfdb7a09 100644
--- a/src/3rdparty/chromium/services/service_manager/sandbox/linux/bpf_renderer_policy_linux.cc
+++ b/src/3rdparty/chromium/services/service_manager/sandbox/linux/bpf_renderer_policy_linux.cc
@@ -88,10 +88,16 @@ ResultExpr RendererProcessPolicy::EvaluateSyscall(int sysno) const {
     case __NR_sysinfo:
     case __NR_times:
     case __NR_uname:
+#if !defined(__GLIBC__)
+    case __NR_sched_getparam:
+    case __NR_sched_getscheduler:
+#endif
       return Allow();
     case __NR_sched_getaffinity:
+#if defined(__GLIBC__)
     case __NR_sched_getparam:
     case __NR_sched_getscheduler:
+#endif
     case __NR_sched_setscheduler:
       return sandbox::RestrictSchedTarget(GetPolicyPid(), sysno);
     case __NR_prlimit64: