derek.holloway
7502bf64a4
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45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
// RUN: %clangxx_asan -DWAIT4 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -DWAIT4 -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -DWAIT4_RUSAGE -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -DWAIT4_RUSAGE -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// XFAIL: android
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// UNSUPPORTED: darwin
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#include <assert.h>
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#include <sys/wait.h>
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#include <unistd.h>
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int main(int argc, char **argv) {
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// This test passes on some versions of Android NDK and fails on other.
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// https://code.google.com/p/memory-sanitizer/issues/detail?id=64
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// Make it fail unconditionally on Android.
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#ifdef __ANDROID__
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return 0;
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#endif
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pid_t pid = fork();
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if (pid) { // parent
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int x[3];
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int *status = x + argc * 3;
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int res;
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#if defined(WAIT4)
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res = wait4(pid, status, WNOHANG, NULL);
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#elif defined(WAIT4_RUSAGE)
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struct rusage *ru = (struct rusage*)(x + argc * 3);
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int good_status;
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res = wait4(pid, &good_status, WNOHANG, ru);
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#endif
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// CHECK: stack-buffer-overflow
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// CHECK: {{WRITE of size .* at 0x.* thread T0}}
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// CHECK: {{in .*wait}}
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// CHECK: {{in main .*wait4.cpp:}}
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// CHECK: is located in stack of thread T0 at offset
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// CHECK: {{in main}}
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return res == -1 ? 1 : 0;
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}
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// child
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return 0;
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}
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