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