1// RUN: %clangxx_asan -DWAIT3 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
2// RUN: %clangxx_asan -DWAIT3 -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
3
4// RUN: %clangxx_asan -DWAIT3_RUSAGE -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
5// RUN: %clangxx_asan -DWAIT3_RUSAGE -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
6
7// UNSUPPORTED: android
8
9#include <assert.h>
10#include <sys/wait.h>
11#include <unistd.h>
12
13int main(int argc, char **argv) {
14  pid_t pid = fork();
15  if (pid) { // parent
16    int x[3];
17    int *status = x + argc * 3;
18    int res;
19#if defined(WAIT3)
20    res = wait3(status, WNOHANG, NULL);
21#elif defined(WAIT3_RUSAGE)
22    struct rusage *ru = (struct rusage*)(x + argc * 3);
23    int good_status;
24    res = wait3(&good_status, WNOHANG, ru);
25#endif
26    // CHECK: stack-buffer-overflow
27    // CHECK: {{WRITE of size .* at 0x.* thread T0}}
28    // CHECK: {{in .*wait}}
29    // CHECK: {{in main .*wait3.cc:}}
30    // CHECK: is located in stack of thread T0 at offset
31    // CHECK: {{in main}}
32    return res == -1 ? 1 : 0;
33  }
34  // child
35  return 0;
36}
37