| 1 | // https://github.com/google/sanitizers/issues/925 |
| 2 | // RUN: %clang_hwasan -O0 %s -o %t && %run %t 2>&1 |
| 3 | |
| 4 | // REQUIRES: aarch64-target-arch || x86_64-target-arch || riscv64-target-arch |
| 5 | // REQUIRES: pointer-tagging |
| 6 | |
| 7 | #include <assert.h> |
| 8 | #include <sys/types.h> |
| 9 | #include <sys/wait.h> |
| 10 | #include <unistd.h> |
| 11 | #include <stdio.h> |
| 12 | #include <sanitizer/hwasan_interface.h> |
| 13 | |
| 14 | __attribute__((noinline, no_sanitize("hwaddress" ))) void child() { |
| 15 | char x[10000]; |
| 16 | __hwasan_tag_memory(p: x, tag: 0xAA, size: sizeof(x)); |
| 17 | _exit(status: 0); |
| 18 | } |
| 19 | |
| 20 | __attribute__((noinline, no_sanitize("hwaddress" ))) void parent() { |
| 21 | char x[10000]; |
| 22 | __hwasan_print_shadow(x: &x, size: sizeof(x)); |
| 23 | assert(__hwasan_test_shadow(x, sizeof(x)) == -1); |
| 24 | } |
| 25 | |
| 26 | int main(int argc, char **argv) { |
| 27 | if (vfork()) |
| 28 | parent(); |
| 29 | else |
| 30 | child(); |
| 31 | |
| 32 | return 0; |
| 33 | } |
| 34 | |