| 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 | #include <process.h> |
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| 6 | |
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| 7 | void noreturn_f() { |
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| 8 | int subscript = -1; |
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| 9 | char buffer[42]; |
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| 10 | buffer[subscript] = 42; |
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| 11 | _exit(1); |
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| 12 | // CHECK: AddressSanitizer: stack-buffer-underflow on address [[ADDR:0x[0-9a-f]+]] |
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| 13 | // CHECK: WRITE of size 1 at [[ADDR]] thread T0 |
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| 14 | // CHECK-NEXT: noreturn_f{{.*}}dll_noreturn.cpp:[[@LINE-4]] |
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| 15 | // CHECK-NEXT: test_function{{.*}}dll_noreturn.cpp |
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| 16 | // CHECK-NEXT: main{{.*}}dll_host.cpp |
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| 17 | // |
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| 18 | // CHECK: Address [[ADDR]] is located in stack of thread T0 at offset [[OFFSET:.*]] in frame |
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| 19 | // CHECK-NEXT: noreturn_f{{.*}}dll_noreturn.cpp |
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| 20 | // CHECK: 'buffer'{{.*}} <== Memory access at offset [[OFFSET]] underflows this variable |
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| 21 | // CHECK-LABEL: SUMMARY |
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| 22 | } |
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| 23 | |
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| 24 | extern "C" __declspec(dllexport) |
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| 25 | int test_function() { |
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| 26 | noreturn_f(); |
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| 27 | return 0; |
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| 28 | } |
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| 29 | |
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