1 | // RUN: %clang -fPIC -shared -O2 -D_FORTIFY_SOURCE=2 -D_DSO %s -o %t.so |
2 | // RUN: %clang_asan -o %t %t.so %s |
3 | // RUN: not %run %t 2>&1 | FileCheck %s |
4 | /// Incompatible with pass_object_info style fortified source since glibc 2.40. |
5 | // REQUIRES: glibc-2.27 && !glibc-2.40 |
6 | #ifdef _DSO |
7 | #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-overflow |
13 | fprintf(stderr, read_buffer, 4096); |
14 | return read_buffer[0]; |
15 | } |
16 | #else |
17 | extern int foo(); |
18 | int main() { return foo(); } |
19 | #endif |
20 | |