// RUN: %clangxx_hwasan -DSIZE=16 -O0 %s -o %t && %run %t 2>&1 | FileCheck %s // REQUIRES: stable-runtime #include #include #include #include int main() { char *p = (char *)mmap(nullptr, 4096, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); assert(p); __hwasan_tag_memory(p, 1, 32); __hwasan_tag_memory(p + 32, 3, 16); __hwasan_tag_memory(p + 48, 0, 32); __hwasan_tag_memory(p + 80, 4, 16); char *q = (char *)__hwasan_tag_pointer(p, 7); __hwasan_print_shadow(q + 5, 89 - 5); // CHECK: HWASan shadow map for {{.*}}5 .. {{.*}}9 (pointer tag 7) // CHECK-NEXT: {{.*}}0: 1 // CHECK-NEXT: {{.*}}0: 1 // CHECK-NEXT: {{.*}}0: 3 // CHECK-NEXT: {{.*}}0: 0 // CHECK-NEXT: {{.*}}0: 0 // CHECK-NEXT: {{.*}}0: 4 }