32 lines · cpp
1// https://github.com/google/sanitizers/issues/9252// RUN: %clang_asan -O0 %s -o %t && %run %t 2>&13 4// REQUIRES: aarch64-target-arch || x86_64-target-arch || i386-target-arch || arm-target-arch || riscv64-target-arch || loongarch64-target-arch5 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(x, sizeof(x));16 _exit(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 24int main(int argc, char **argv) {25 if (vfork())26 parent();27 else28 child();29 30 return 0;31}32