| 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 | // REQUIRES: glibc-2.27 |
| 5 | #ifdef _DSO |
| 6 | #include <stdio.h> |
| 7 | #include <stdlib.h> |
| 8 | #include <string.h> |
| 9 | __attribute__((noinline)) int foo() { |
| 10 | char *write_buffer = (char *)malloc(1); |
| 11 | // CHECK: AddressSanitizer: heap-buffer-overflow |
| 12 | sprintf(write_buffer, "%s_%s" , "one" , "two" ); |
| 13 | return write_buffer[0]; |
| 14 | } |
| 15 | #else |
| 16 | extern int foo(); |
| 17 | int main() { return foo(); } |
| 18 | #endif |
| 19 | |