================
@@ -1446,6 +1464,7 @@ TSAN_INTERCEPTOR(int, pthread_mutex_trylock, void *m) {
#if !SANITIZER_APPLE
TSAN_INTERCEPTOR(int, pthread_mutex_timedlock, void *m, void *abstime) {
SCOPED_TSAN_INTERCEPTOR(pthread_mutex_timedlock, m, abstime);
+ GetFuzzingScheduler().MutexCvOp();
int res = REAL(pthread_mutex_timedlock)(m, abstime);
----------------
firewave wrote:
> It may become messy b/c we would either need to lie in all functions that
> return current time, or only return EINTR on shorter sleeps. Otherwise some
> programs may legitimately break.
A bit off-topic. That might be an idea for a separate "ErrnoSanitizer" which
will intercept functions which provide errno and randomly fail them with an
error which requires a re-try.
And on a side note the previous author of libxml2 wrote an allocator which
randomly failed to be able to detect issues which would also be along those
lines.
https://github.com/llvm/llvm-project/pull/178836
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