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-prefix=CHECK --check-prefix=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, "msan-death-callback\n"); 16 } 17 18 int main(int argc, char **argv) { 19 int *volatile p = (int *)malloc(sizeof(int)); 20 *p = 42; 21 free(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 fprintf(stderr, "done\n"); 38 return 0; 39 } 40
