tsan: fix deadlock in libbacktrace

Fixes deadlock seen in GCC. Fixes: #55226 Differential Revision: https://reviews.llvm.org/D124838
2022-05-03 12:42:01 +02:00 · 2022-05-03 12:42:01 +02:00 · 0a1bcab9f3
parent e0892614b1
commit 0a1bcab9f3
1 changed files with 2 additions and 1 deletions
--- a/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
+++ b/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
@ -1767,7 +1767,8 @@ TSAN_INTERCEPTOR(int, listen, int fd, int backlog) {

 TSAN_INTERCEPTOR(int, close, int fd) {
  SCOPED_INTERCEPTOR_RAW(close, fd);
-  FdClose(thr, pc, fd);
+  if (!in_symbolizer())
+    FdClose(thr, pc, fd);
  return REAL(close)(fd);
 }