diff -up chromium-95.0.4638.17/sandbox/linux/services/credentials.cc.28~ chromium-95.0.4638.17/sandbox/linux/services/credentials.cc

--- chromium-95.0.4638.17/sandbox/linux/services/credentials.cc.28~ 2021-09-21 21:04:46.000000000 +0200

+++ chromium-95.0.4638.17/sandbox/linux/services/credentials.cc 2021-09-25 16:23:01.646102987 +0200

@@ -100,7 +100,8 @@ bool ChrootToSafeEmptyDir() {

// TODO(crbug.com/1247458) Broken in MSan builds after LLVM f1bb30a4956f.

clone_flags |= CLONE_VM | CLONE_VFORK | CLONE_SETTLS;

- char tls_buf[PTHREAD_STACK_MIN] = {0};

+ char *tls_buf = new char[PTHREAD_STACK_MIN];

+ memset(tls_buf, 0, PTHREAD_STACK_MIN);

tls = tls_buf;

#endif

@@ -111,6 +112,10 @@ bool ChrootToSafeEmptyDir() {

int status = -1;

PCHECK(HANDLE_EINTR(waitpid(pid, &status, 0)) == pid);

+#if (defined(ARCH_CPU_X86_64) || defined(ARCH_CPU_ARM_FAMILY)) && \

+ !defined(MEMORY_SANITIZER)

+ delete[] tls_buf;

+#endif

return WIFEXITED(status) && WEXITSTATUS(status) == kExitSuccess;

}