21 lines · c
1// RUN: %clang_hwasan -O0 %s -o %t && %run %t 2>&1 | FileCheck %s2 3// REQUIRES: pointer-tagging4#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 17int main() {18 return f(__builtin_frame_address(0));19 // CHECK: HWASan is ignoring requested __hwasan_handle_longjmp:20}21