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92a42be0 SL |
1 | // RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t |
2 | // RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll | |
3 | // RUN: not %run %t %t.dll 2>&1 | FileCheck %s | |
4 | ||
5 | extern "C" __declspec(dllexport) | |
6 | int test_function() { | |
7 | char *buffer = new char[42]; | |
8 | buffer[-1] = 42; | |
9 | // CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] | |
10 | // CHECK: WRITE of size 1 at [[ADDR]] thread T0 | |
11 | // CHECK-NEXT: test_function {{.*}}dll_operator_array_new_left_oob.cc:[[@LINE-3]] | |
12 | // CHECK-NEXT: main {{.*}}dll_host.cc | |
13 | // | |
14 | // CHECK: [[ADDR]] is located 1 bytes to the left of 42-byte region | |
15 | // CHECK-LABEL: allocated by thread T0 here: | |
16 | // FIXME: Should get rid of the malloc/free frames called from the inside of | |
17 | // operator new/delete in DLLs when using -MT CRT. | |
18 | // FIXME: The 'operator new' frame should have []. | |
19 | // CHECK: operator new | |
20 | // CHECK-NEXT: test_function {{.*}}dll_operator_array_new_left_oob.cc:[[@LINE-13]] | |
21 | // CHECK-NEXT: main {{.*}}dll_host.cc | |
22 | // CHECK-LABEL: SUMMARY | |
23 | delete [] buffer; | |
24 | return 0; | |
25 | } |