1// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
2// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
3
4#include <assert.h>
5#include <sys/wait.h>
6#include <unistd.h>
7
8int main(int argc, char **argv) {
9  pid_t pid = fork();
10  if (pid) { // parent
11    int x[3];
12    int *status = x + argc * 3;
13    int res;
14
15    siginfo_t *si = (siginfo_t*)(x + argc * 3);
16    res = waitid(P_ALL, 0, si, WEXITED | WNOHANG);
17    // CHECK: stack-buffer-overflow
18    // CHECK: {{WRITE of size .* at 0x.* thread T0}}
19    // CHECK: {{in .*waitid}}
20    // CHECK: {{in main .*waitid.cc:}}
21    // CHECK: is located in stack of thread T0 at offset
22    // CHECK: {{in main}}
23    return res != -1;
24  }
25  // child
26  return 0;
27}
28