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-rw-r--r--compiler-rt/lib/tsan/rtl/tsan_interceptors.cc6
1 files changed, 4 insertions, 2 deletions
diff --git a/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc b/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
index 379de0b3ee1..35aacdcfd07 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
@@ -1228,8 +1228,10 @@ static void ALWAYS_INLINE rtl_generic_sighandler(bool sigact, int sig,
sig == SIGABRT || sig == SIGFPE || sig == SIGPIPE ||
// If we are sending signal to ourselves, we must process it now.
(sctx && sig == sctx->int_signal_send) ||
- // If we are in blocking function, we can safely process it now.
- (sctx && sctx->in_blocking_func)) {
+ // If we are in blocking function, we can safely process it now
+ // (but check if we are in a recursive interceptor,
+ // i.e. pthread_join()->munmap()).
+ (sctx && sctx->in_blocking_func && thr->in_rtl == 1)) {
CHECK(thr->in_rtl == 0 || thr->in_rtl == 1);
int in_rtl = thr->in_rtl;
thr->in_rtl = 0;
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