33 lines
1.0 KiB
C++
33 lines
1.0 KiB
C++
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// RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t
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// RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll
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// RUN: not %run %t %t.dll 2>&1 | FileCheck %s
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// Test that it works correctly even with ICF enabled.
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// RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll -link /OPT:REF /OPT:ICF
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// RUN: not %run %t %t.dll 2>&1 | FileCheck %s
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#include <stdio.h>
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#include <string.h>
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extern "C" __declspec(dllexport)
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int test_function() {
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char buff[5] = "aaaa";
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memset(buff, 'b', 5);
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if (buff[2] != 'b')
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return 2;
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printf("Initial test OK\n");
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fflush(0);
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// CHECK: Initial test OK
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memset(buff, 'c', 6);
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// CHECK: AddressSanitizer: stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
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// CHECK: WRITE of size 6 at [[ADDR]] thread T0
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// CHECK-NEXT: __asan_memset
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// CHECK-NEXT: test_function {{.*}}dll_intercept_memset.cc:[[@LINE-4]]
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// CHECK: Address [[ADDR]] is located in stack of thread T0 at offset {{.*}} in frame
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// CHECK-NEXT: test_function {{.*}}dll_intercept_memset.cc
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// CHECK: 'buff' <== Memory access at offset {{.*}} overflows this variable
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return 0;
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}
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