1// Test that preloaded runtime works with unsanitized executables.
2//
3// RUN: %clangxx %s -o %t
4// RUN: env LD_PRELOAD=%shared_libasan not %run %t 2>&1 | FileCheck %s
5
6// REQUIRES: asan-dynamic-runtime
7
8// This way of setting LD_PRELOAD does not work with Android test runner.
9// REQUIRES: !android
10
11#include <stdlib.h>
12
13extern "C" ssize_t write(int fd, const void *buf, size_t count);
14
15void do_access(void *p) {
16 // CHECK: AddressSanitizer: heap-buffer-overflow
17 write(fd: 1, buf: p, count: 2);
18}
19
20int main(int argc, char **argv) {
21 void *p = malloc(size: 1);
22 do_access(p);
23 return 0;
24}
25

source code of compiler-rt/test/asan/TestCases/Linux/asan_preload_test-2.cpp