compiler-rt/test/hwasan/TestCases/set-error-report-callback.cpp

   1 // RUN: %clangxx_hwasan %s -o %t && not %run %t 2>&1 | FileCheck %s
   2
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5
   6 #include <sanitizer/hwasan_interface.h>
   7
   8 __attribute__((no_sanitize("hwaddress"))) extern "C" void callback(const char *msg) {
   9   fprintf(stderr, "== error start\n%s\n== error end\n", msg);
  10 }
  11
  12 int main() {
  13   __hwasan_enable_allocator_tagging();
  14   __hwasan_set_error_report_callback(&callback);
  15   char *volatile p = (char *)malloc(16);
  16   p[16] = 1;
  17   free(p);
  18   // CHECK: ERROR: HWAddressSanitizer:
  19   // CHECK: WRITE of size 1 at
  20   // CHECK: allocated here:
  21   // CHECK: Memory tags around the buggy address
  22
  23   // CHECK: == error start
  24   // CHECK: ERROR: HWAddressSanitizer:
  25   // CHECK: WRITE of size 1 at
  26   // CHECK: allocated here:
  27   // CHECK: Memory tags around the buggy address
  28   // CHECK: == error end
  29 }