1 | // RUN: %clangxx_msan -DERROR %s -o %t && not %run %t 2>&1 | \ |
2 | // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NOCB |
3 | // RUN: %clangxx_msan -DERROR -DMSANCB_SET %s -o %t && not %run %t 2>&1 | \ |
4 | // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-CB |
5 | // RUN: %clangxx_msan -DERROR -DMSANCB_SET -DMSANCB_CLEAR %s -o %t && not %run %t 2>&1 | \ |
6 | // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NOCB |
7 | // RUN: %clangxx_msan -DMSANCB_SET %s -o %t && %run %t 2>&1 | \ |
8 | // RUN: FileCheck %s --check-prefixes=SUCCEED,CHECK-NOCB |
9 | |
10 | #include <sanitizer/msan_interface.h> |
11 | #include <stdio.h> |
12 | #include <stdlib.h> |
13 | |
14 | void cb(void) { |
15 | fprintf(stderr, format: "msan-death-callback\n" ); |
16 | } |
17 | |
18 | int main(int argc, char **argv) { |
19 | int *volatile p = (int *)malloc(size: sizeof(int)); |
20 | *p = 42; |
21 | free(ptr: p); |
22 | |
23 | #ifdef MSANCB_SET |
24 | __msan_set_death_callback(cb); |
25 | #endif |
26 | |
27 | #ifdef MSANCB_CLEAR |
28 | __msan_set_death_callback(0); |
29 | #endif |
30 | |
31 | #ifdef ERROR |
32 | if (*p) |
33 | exit(0); |
34 | #endif |
35 | // CHECK-CB: msan-death-callback |
36 | // CHECK-NOCB-NOT: msan-death-callback |
37 | |
38 | // CHECK-NOT: done |
39 | // SUCCEED: done |
40 | fprintf(stderr, format: "done\n" ); |
41 | return 0; |
42 | } |
43 | |