1// RUN: %clangxx_asan -DWAIT -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
2// RUN: %clangxx_asan -DWAIT -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
3
4// RUN: %clangxx_asan -DWAITPID -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
5// RUN: %clangxx_asan -DWAITPID -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
6
7// RUN: %clangxx_asan -DWAIT3 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
8// RUN: %clangxx_asan -DWAIT3 -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
9
10// RUN: %clangxx_asan -DWAIT3_RUSAGE -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
11// RUN: %clangxx_asan -DWAIT3_RUSAGE -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
12
13
14#include <assert.h>
15#include <sys/wait.h>
16#include <unistd.h>
17
18int main(int argc, char **argv) {
19  pid_t pid = fork();
20  if (pid) { // parent
21    int x[3];
22    int *status = x + argc * 3;
23    int res;
24#if defined(WAIT)
25    res = wait(status);
26#elif defined(WAITPID)
27    res = waitpid(pid, status, WNOHANG);
28#elif defined(WAIT3)
29    res = wait3(status, WNOHANG, NULL);
30#elif defined(WAIT3_RUSAGE)
31    struct rusage *ru = (struct rusage*)(x + argc * 3);
32    int good_status;
33    res = wait3(&good_status, WNOHANG, ru);
34#endif
35    // CHECK: stack-buffer-overflow
36    // CHECK: {{WRITE of size .* at 0x.* thread T0}}
37    // CHECK: {{in .*wait}}
38    // CHECK: {{in main .*wait.cc:}}
39    // CHECK: is located in stack of thread T0 at offset
40    // CHECK: {{in main}}
41    return res == -1 ? 1 : 0;
42  }
43  // child
44  return 0;
45}
46