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 | |