1*673dc3d4SNico Weber // RUN: %clangxx_asan -DWAIT4 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
2*673dc3d4SNico Weber // RUN: %clangxx_asan -DWAIT4 -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
3*673dc3d4SNico Weber 
4*673dc3d4SNico Weber // RUN: %clangxx_asan -DWAIT4_RUSAGE -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
5*673dc3d4SNico Weber // RUN: %clangxx_asan -DWAIT4_RUSAGE -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
6*673dc3d4SNico Weber 
7*673dc3d4SNico Weber // XFAIL: android
8*673dc3d4SNico Weber // UNSUPPORTED: darwin
9*673dc3d4SNico Weber 
10*673dc3d4SNico Weber #include <assert.h>
11*673dc3d4SNico Weber #include <sys/wait.h>
12*673dc3d4SNico Weber #include <unistd.h>
13*673dc3d4SNico Weber 
main(int argc,char ** argv)14*673dc3d4SNico Weber int main(int argc, char **argv) {
15*673dc3d4SNico Weber   // This test passes on some versions of Android NDK and fails on other.
16*673dc3d4SNico Weber   // https://code.google.com/p/memory-sanitizer/issues/detail?id=64
17*673dc3d4SNico Weber   // Make it fail unconditionally on Android.
18*673dc3d4SNico Weber #ifdef __ANDROID__
19*673dc3d4SNico Weber   return 0;
20*673dc3d4SNico Weber #endif
21*673dc3d4SNico Weber 
22*673dc3d4SNico Weber   pid_t pid = fork();
23*673dc3d4SNico Weber   if (pid) { // parent
24*673dc3d4SNico Weber     int x[3];
25*673dc3d4SNico Weber     int *status = x + argc * 3;
26*673dc3d4SNico Weber     int res;
27*673dc3d4SNico Weber #if defined(WAIT4)
28*673dc3d4SNico Weber     res = wait4(pid, status, WNOHANG, NULL);
29*673dc3d4SNico Weber #elif defined(WAIT4_RUSAGE)
30*673dc3d4SNico Weber     struct rusage *ru = (struct rusage*)(x + argc * 3);
31*673dc3d4SNico Weber     int good_status;
32*673dc3d4SNico Weber     res = wait4(pid, &good_status, WNOHANG, ru);
33*673dc3d4SNico Weber #endif
34*673dc3d4SNico Weber     // CHECK: stack-buffer-overflow
35*673dc3d4SNico Weber     // CHECK: {{WRITE of size .* at 0x.* thread T0}}
36*673dc3d4SNico Weber     // CHECK: {{in .*wait}}
37*673dc3d4SNico Weber     // CHECK: {{in main .*wait4.cpp:}}
38*673dc3d4SNico Weber     // CHECK: is located in stack of thread T0 at offset
39*673dc3d4SNico Weber     // CHECK: {{in main}}
40*673dc3d4SNico Weber     return res == -1 ? 1 : 0;
41*673dc3d4SNico Weber   }
42*673dc3d4SNico Weber   // child
43*673dc3d4SNico Weber   return 0;
44*673dc3d4SNico Weber }
45