| 1 | // RUN: %clang_cl_asan %Od %p/dll_host.cpp %Fe%t |
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| 2 | // RUN: %clang_cl_asan %LD %Od %s %Fe%t.dll |
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| 3 | // RUN: not %run %t %t.dll 2>&1 | FileCheck %s |
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| 4 | |
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| 5 | extern "C" __declspec(dllexport) |
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| 6 | int test_function() { |
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| 7 | char *buffer = new char[42]; |
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| 8 | buffer[-1] = 42; |
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| 9 | // CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] |
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| 10 | // CHECK: WRITE of size 1 at [[ADDR]] thread T0 |
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| 11 | // CHECK-NEXT: test_function {{.*}}dll_operator_array_new_left_oob.cpp:[[@LINE-3]] |
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| 12 | // CHECK-NEXT: main {{.*}}dll_host.cpp |
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| 13 | // |
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| 14 | // CHECK: [[ADDR]] is located 1 bytes before 42-byte region |
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| 15 | // CHECK-LABEL: allocated by thread T0 here: |
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| 16 | // FIXME: Should get rid of the malloc/free frames called from the inside of |
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| 17 | // operator new/delete in DLLs when using -MT CRT. |
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| 18 | // FIXME: The 'operator new' frame should have []. |
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| 19 | // CHECK: operator new |
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| 20 | // CHECK-NEXT: test_function {{.*}}dll_operator_array_new_left_oob.cpp:[[@LINE-13]] |
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| 21 | // CHECK-NEXT: main {{.*}}dll_host.cpp |
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| 22 | // CHECK-LABEL: SUMMARY |
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| 23 | delete [] buffer; |
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| 24 | return 0; |
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| 25 | } |
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| 26 | |
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