diff options
Diffstat (limited to 'lib/msan/msan.cc')
-rw-r--r-- | lib/msan/msan.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/msan/msan.cc b/lib/msan/msan.cc index 3f85a9a66..e6226ba76 100644 --- a/lib/msan/msan.cc +++ b/lib/msan/msan.cc @@ -369,6 +369,16 @@ void __msan_warning_noreturn() { Die(); } +static void OnStackUnwind(const SignalContext &sig, const void *, + BufferedStackTrace *stack) { + GetStackTrace(stack, kStackTraceMax, sig.pc, sig.bp, sig.context, + common_flags()->fast_unwind_on_fatal); +} + +static void MsanOnDeadlySignal(int signo, void *siginfo, void *context) { + HandleDeadlySignal(siginfo, context, GetTid(), &OnStackUnwind, nullptr); +} + void __msan_init() { CHECK(!msan_init_is_running); if (msan_inited) return; @@ -384,6 +394,7 @@ void __msan_init() { __sanitizer_set_report_path(common_flags()->log_path); InitializeInterceptors(); + InstallDeadlySignalHandlers(MsanOnDeadlySignal); InstallAtExitHandler(); // Needs __cxa_atexit interceptor. DisableCoreDumperIfNecessary(); |