forked from OSchip/llvm-project
41 lines
1.0 KiB
C++
41 lines
1.0 KiB
C++
// Make sure everything works even if the main module doesn't have any stack
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// variables, thus doesn't explicitly reference any symbol exported by the
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// runtime thunk.
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//
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// RUN: %clang_cl_asan -LD -O0 -DDLL1 %s -Fe%t1.dll
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// RUN: %clang_cl_asan -LD -O0 -DDLL2 %s -Fe%t2.dll
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// RUN: %clang_cl_asan -O0 -DEXE %s %t1.lib %t2.lib -Fe%t
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// RUN: not %run %t 2>&1 | FileCheck %s
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#include <malloc.h>
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#include <string.h>
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extern "C" {
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#if defined(EXE)
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__declspec(dllimport) void foo1();
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__declspec(dllimport) void foo2();
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int main() {
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foo1();
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foo2();
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}
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#elif defined(DLL1)
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__declspec(dllexport) void foo1() {}
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#elif defined(DLL2)
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__attribute__((noinline))
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static void NullDeref(int *ptr) {
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// CHECK: ERROR: AddressSanitizer: access-violation on unknown address
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// CHECK: {{0x0*000.. .*pc 0x.*}}
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ptr[10]++; // BOOM
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}
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__declspec(dllexport) void foo2() {
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NullDeref((int*)0);
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// CHECK: {{ #1 0x.* in foo2.*null_deref_multiple_dlls.cc:}}[[@LINE-1]]
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// CHECK: AddressSanitizer can not provide additional info.
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}
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#else
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# error oops!
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#endif
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}
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