| 1 | // https://github.com/google/sanitizers/issues/925 |
| 2 | // RUN: %clang_asan -O0 %s -o %t && %run %t 2>&1 |
| 3 | |
| 4 | // REQUIRES: aarch64-target-arch || x86_64-target-arch || i386-target-arch || arm-target-arch || riscv64-target-arch || loongarch64-target-arch |
| 5 | |
| 6 | #include <assert.h> |
| 7 | #include <sys/types.h> |
| 8 | #include <sys/wait.h> |
| 9 | #include <unistd.h> |
| 10 | #include <stdio.h> |
| 11 | #include <sanitizer/asan_interface.h> |
| 12 | |
| 13 | __attribute__((noinline, no_sanitize("address" ))) void child() { |
| 14 | alignas(8) char x[100000]; |
| 15 | __asan_poison_memory_region(addr: x, size: sizeof(x)); |
| 16 | _exit(status: 0); |
| 17 | } |
| 18 | |
| 19 | __attribute__((noinline, no_sanitize("address" ))) void parent() { |
| 20 | alignas(8) char x[100000]; |
| 21 | assert(__asan_address_is_poisoned(x + 5000) == 0); |
| 22 | } |
| 23 | |
| 24 | int main(int argc, char **argv) { |
| 25 | if (vfork()) |
| 26 | parent(); |
| 27 | else |
| 28 | child(); |
| 29 | |
| 30 | return 0; |
| 31 | } |
| 32 | |