| 1 | // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
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| 2 | |
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| 3 | // Fails on Darwin bots: |
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| 4 | // https://green.lab.llvm.org/green//job/clang-stage1-RA/25954/consoleFull |
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| 5 | // and on clang-s390x-linux-lnt: |
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| 6 | // https://lab.llvm.org/buildbot#builders/45/builds/5224 |
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| 7 | // Presumably the test is not 100% legal and kernel is allowed |
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| 8 | // to unmap part of the range (e.g. .text) and then fail. |
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| 9 | // So let's be conservative: |
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| 10 | // REQUIRES: linux, x86_64-target-arch |
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| 11 | |
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| 12 | #include "test.h" |
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| 13 | #include <sys/mman.h> |
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| 14 | |
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| 15 | int main() { |
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| 16 | // These bogus munmap's must not crash tsan runtime. |
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| 17 | munmap(addr: 0, len: 1); |
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| 18 | munmap(addr: 0, len: -1); |
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| 19 | munmap(addr: (void *)main, len: -1); |
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| 20 | void *p = |
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| 21 | mmap(addr: 0, len: 4096, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, fd: -1, offset: 0); |
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| 22 | munmap(addr: p, len: (1ull << 60)); |
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| 23 | munmap(addr: p, len: -10000); |
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| 24 | munmap(addr: p, len: 0); |
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| 25 | fprintf(stderr, format: "DONE\n" ); |
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| 26 | return 0; |
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| 27 | } |
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| 28 | |
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| 29 | // CHECK: DONE |
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| 30 | |
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