| 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 | |