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#include <signal.h>
8
9int main(int argc, char **argv) {
10  pid_t pid = fork();
11  if (pid) { // parent
12    int x[3];
13    int *status = x + argc * 3;
14    int res;
15
16    siginfo_t *si = (siginfo_t*)(x + argc * 3);
17    res = waitid(P_ALL, 0, si, WEXITED | WNOHANG);
18    // CHECK: stack-buffer-overflow
19    // CHECK: {{WRITE of size .* at 0x.* thread T0}}
20    // CHECK: {{in .*waitid}}
21    // CHECK: {{in main .*waitid.cc:}}
22    // CHECK: is located in stack of thread T0 at offset
23    // CHECK: {{in main}}
24    return res != -1;
25  }
26  // child
27  return 0;
28}
29