| 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 | // UNSUPPORTED: darwin, aarch64 |
| 5 | |
| 6 | #include <assert.h> |
| 7 | #include <sys/wait.h> |
| 8 | #include <unistd.h> |
| 9 | #include <signal.h> |
| 10 | |
| 11 | int main(int argc, char **argv) { |
| 12 | pid_t pid = fork(); |
| 13 | if (pid) { // parent |
| 14 | int x[3]; |
| 15 | int *status = x + argc * 3; |
| 16 | int res; |
| 17 | |
| 18 | siginfo_t *si = (siginfo_t*)(x + argc * 3); |
| 19 | res = waitid(idtype: P_ALL, id: 0, infop: si, WEXITED | WNOHANG); |
| 20 | // CHECK: stack-buffer-overflow |
| 21 | // CHECK: {{WRITE of size .* at 0x.* thread T0}} |
| 22 | // CHECK: {{in .*waitid}} |
| 23 | // CHECK: {{in main .*waitid.cpp:}} |
| 24 | // CHECK: is located in stack of thread T0 at offset |
| 25 | // CHECK: {{in main}} |
| 26 | return res != -1; |
| 27 | } |
| 28 | // child |
| 29 | return 0; |
| 30 | } |
| 31 | |