725f0be8ae
This applies the same fix as a32a163110
to a testcase which isn't executed in x86_64 mode.
28 lines
1.1 KiB
C++
28 lines
1.1 KiB
C++
// RUN: %clang_cl_asan %Od %p/dll_host.cpp %Fe%t
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// RUN: %clang_cl_asan %LD %Od %s %Fe%t.dll
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// RUN: not %run %t %t.dll 2>&1 | FileCheck %s
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// On windows 64-bit, the memchr function is written in assembly and is not
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// hookable with the interception library. There is not enough padding before
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// the function and there is a short jump on the second instruction which
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// doesn't not allow enough space to encode a 64-bit indirect jump.
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// UNSUPPORTED: x86_64-windows
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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[6] = "Hello";
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memchr(buff, 'z', 7);
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// CHECK: AddressSanitizer: stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
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// CHECK: READ of size 7 at [[ADDR]] thread T0
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// CHECK-NEXT: memchr
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// CHECK-NEXT: memchr
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// CHECK-NEXT: test_function {{.*}}dll_intercept_memchr.cpp:[[@LINE-5]]
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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_memchr.cpp
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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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