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