d9bc851fb3
GNU version of strerror_r returns a result pointer that doesn't match the input buffer. The result pointer is in fact a pointer to some internal storage. TSAN was recording a write to this location, which was incorrect. Fixed https://github.com/google/sanitizers/issues/696 llvm-svn: 304858
19 lines
330 B
C++
19 lines
330 B
C++
// RUN: %clang_msan -O0 -g %s -o %t && %run %t
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#include <assert.h>
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#include <errno.h>
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#include <string.h>
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int main() {
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char buf[1000];
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char *res = strerror_r(EINVAL, buf, sizeof(buf));
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assert(res);
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volatile int z = strlen(res);
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res = strerror_r(-1, buf, sizeof(buf));
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assert(res);
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z = strlen(res);
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return 0;
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}
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