1*673dc3d4SNico Weber // RUN: %clangxx_asan -DWAIT -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
2*673dc3d4SNico Weber // RUN: %clangxx_asan -DWAIT -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
3*673dc3d4SNico Weber 
4*673dc3d4SNico Weber // RUN: %clangxx_asan -DWAITPID -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
5*673dc3d4SNico Weber // RUN: %clangxx_asan -DWAITPID -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
6*673dc3d4SNico Weber 
7*673dc3d4SNico Weber // UNSUPPORTED: darwin
8*673dc3d4SNico Weber 
9*673dc3d4SNico Weber #include <assert.h>
10*673dc3d4SNico Weber #include <sys/wait.h>
11*673dc3d4SNico Weber #include <unistd.h>
12*673dc3d4SNico Weber 
main(int argc,char ** argv)13*673dc3d4SNico Weber int main(int argc, char **argv) {
14*673dc3d4SNico Weber   pid_t pid = fork();
15*673dc3d4SNico Weber   if (pid) { // parent
16*673dc3d4SNico Weber     int x[3];
17*673dc3d4SNico Weber     int *status = x + argc * 3;
18*673dc3d4SNico Weber     int res;
19*673dc3d4SNico Weber #if defined(WAIT)
20*673dc3d4SNico Weber     res = wait(status);
21*673dc3d4SNico Weber #elif defined(WAITPID)
22*673dc3d4SNico Weber     res = waitpid(pid, status, WNOHANG);
23*673dc3d4SNico Weber #endif
24*673dc3d4SNico Weber     // CHECK: stack-buffer-overflow
25*673dc3d4SNico Weber     // CHECK: {{WRITE of size .* at 0x.* thread T0}}
26*673dc3d4SNico Weber     // CHECK: {{in .*wait}}
27*673dc3d4SNico Weber     // CHECK: {{in main .*wait.cpp:}}
28*673dc3d4SNico Weber     // CHECK: is located in stack of thread T0 at offset
29*673dc3d4SNico Weber     // CHECK: {{in main}}
30*673dc3d4SNico Weber     return res == -1 ? 1 : 0;
31*673dc3d4SNico Weber   }
32*673dc3d4SNico Weber   // child
33*673dc3d4SNico Weber   return 0;
34*673dc3d4SNico Weber }
35