blob: b286380ac44507f39b4a2e2207fd2e1e9bd98213 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
// RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t
// RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll
// RUN: not %run %t %t.dll 2>&1 | FileCheck %s
#include <malloc.h>
extern "C" __declspec(dllexport)
int test_function() {
int *buffer = (int*)malloc(42);
free(buffer);
buffer[0] = 42;
// CHECK: AddressSanitizer: heap-use-after-free on address [[ADDR:0x[0-9a-f]+]]
// CHECK: WRITE of size 4 at [[ADDR]] thread T0
// CHECK-NEXT: test_function {{.*}}dll_malloc_uaf.cc:[[@LINE-3]]
// CHECK-NEXT: main {{.*}}dll_host
//
// CHECK: [[ADDR]] is located 0 bytes inside of 42-byte region
// CHECK-LABEL: freed by thread T0 here:
// CHECK-NEXT: free
// CHECK-NEXT: test_function {{.*}}dll_malloc_uaf.cc:[[@LINE-10]]
// CHECK-NEXT: main {{.*}}dll_host
//
// CHECK-LABEL: previously allocated by thread T0 here:
// CHECK-NEXT: malloc
// CHECK-NEXT: test_function {{.*}}dll_malloc_uaf.cc:[[@LINE-16]]
// CHECK-NEXT: main {{.*}}dll_host
return 0;
}
|
