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 // UNSUPPORTED: darwin
8
9 #include <assert.h>
10 #include <sys/wait.h>
11 #include <unistd.h>
12
main(int argc,char ** argv)13 int main(int argc, char **argv) {
14 pid_t pid = fork();
15 if (pid) { // parent
16 int x[3];
17 int *status = x + argc * 3;
18 int res;
19 #if defined(WAIT)
20 res = wait(status);
21 #elif defined(WAITPID)
22 res = waitpid(pid, status, WNOHANG);
23 #endif
24 // CHECK: stack-buffer-overflow
25 // CHECK: {{WRITE of size .* at 0x.* thread T0}}
26 // CHECK: {{in .*wait}}
27 // CHECK: {{in main .*wait.cpp:}}
28 // CHECK: is located in stack of thread T0 at offset
29 // CHECK: {{in main}}
30 return res == -1 ? 1 : 0;
31 }
32 // child
33 return 0;
34 }
35