20 lines · c
1// RUN: %clang -fPIC -shared -O2 -D_FORTIFY_SOURCE=2 -D_DSO %s -o %t.so2// RUN: %clang_asan -o %t %t.so %s3// RUN: not %run %t 2>&1 | FileCheck %s4/// Incompatible with pass_object_info style fortified source since glibc 2.40.5// REQUIRES: glibc-2.27 && !glibc-2.406#ifdef _DSO7#include <stdio.h>8#include <stdlib.h>9#include <string.h>10__attribute__((noinline)) int foo() {11 char *read_buffer = (char *)malloc(1);12 // CHECK: AddressSanitizer: heap-buffer-overflow13 fprintf(stderr, read_buffer, 4096);14 return read_buffer[0];15}16#else17extern int foo();18int main() { return foo(); }19#endif20