blob: f940b501279aa1bf9802e659fa2a5de98c6334f8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
// RUN: %clangxx_asan -O0 %s -o %t
// RUN: not %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=MALLOC-CTX
// Also works if no malloc context is available.
// RUN: ASAN_OPTIONS=malloc_context_size=0:fast_unwind_on_malloc=0 not %t 2>&1 | FileCheck %s
// RUN: ASAN_OPTIONS=malloc_context_size=0:fast_unwind_on_malloc=1 not %t 2>&1 | FileCheck %s
#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.cc:[[@LINE-2]]
// CHECK: is located 5 bytes inside of 10-byte region
// CHECK: allocated by thread T0 here:
// MALLOC-CTX: invalid-free.cc:[[@LINE-8]]
return res;
}
|
