Index: compiler-rt/test/tsan/mmap_lots.cpp =================================================================== --- compiler-rt/test/tsan/mmap_lots.cpp +++ compiler-rt/test/tsan/mmap_lots.cpp @@ -24,6 +24,12 @@ fprintf(stderr, "allocated %zu with size %zu\n", allocated, mmap_size); } fprintf(stderr, "DONE\n"); + // If tsan runtime will try to allocate something during exit handling, + // the allocation will fail because there is no VA whatsoever. + // It's observed to fail with the following error in some cases: + // failed to allocate 0x1000 (4096) bytes of DTLS_NextBlock. + // So terminate the process immediately. + _exit(0); } // CHECK: DONE