| // RUN: %clangxx_hwasan -DSIZE=16 -O0 %s -o %t && %run %t 2>&1 | FileCheck %s |
| |
| // REQUIRES: stable-runtime |
| |
| #include <assert.h> |
| #include <stdlib.h> |
| #include <sys/mman.h> |
| #include <sanitizer/hwasan_interface.h> |
| |
| 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 |
| } |
