| // 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; |
| } |
