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