compiler-rt/test/hwasan/TestCases/longjmp-out-of-range.c

   1 // RUN: %clang_hwasan -O0 %s -o %t && %run %t 2>&1 | FileCheck %s
   2
   3 // REQUIRES: pointer-tagging
   4 #include <assert.h>
   5 #include <sanitizer/hwasan_interface.h>
   6 #include <stdlib.h>
   7
   8 __attribute__((noinline)) int f(void *caller_frame) {
   9   int z = 0;
  10   int *volatile p = &z;
  11   // Tag of local is never zero.
  12   assert(__hwasan_tag_pointer(p, 0) != p);
  13   __hwasan_handle_longjmp(NULL);
  14   return p[0];
  15 }
  16
  17 int main() {
  18   return f(__builtin_frame_address(0));
  19   // CHECK: HWASan is ignoring requested __hwasan_handle_longjmp:
  20 }