| // RUN: %clangxx_asan -O0 %s -o %t |
| // RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=MALLOC-CTX |
| |
| // Also works if no malloc context is available. |
| // RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=0 not %run %t 2>&1 | FileCheck %s |
| // RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=1 not %run %t 2>&1 | FileCheck %s |
| // REQUIRES: stable-runtime |
| |
| #include <stdlib.h> |
| #include <string.h> |
| int main(int argc, char **argv) { |
| char *x = (char*)malloc(10 * sizeof(char)); |
| memset(x, 0, 10); |
| int res = x[argc]; |
| free(x + 5); // BOOM |
| // CHECK: AddressSanitizer: attempting free on address{{.*}}in thread T0 |
| // CHECK: invalid-free.cpp:[[@LINE-2]] |
| // CHECK: is located 5 bytes inside of 10-byte region |
| // CHECK: allocated by thread T0 here: |
| // MALLOC-CTX: invalid-free.cpp:[[@LINE-8]] |
| return res; |
| } |
