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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ASAN / check failed / ((__interception::real_memcpy)) != (0) and ((__interception::real_memset)) != (0)"
href="https://bugs.llvm.org/show_bug.cgi?id=42261">42261</a>
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<th>Summary</th>
<td>ASAN / check failed / ((__interception::real_memcpy)) != (0) and ((__interception::real_memset)) != (0)
</td>
</tr>
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<th>Product</th>
<td>compiler-rt
</td>
</tr>
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<th>Version</th>
<td>8.0
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Windows NT
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>asan
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>robert.muench@saphirion.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
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<div>
<pre>* Windows-10
* 32-bit
* DLL project
* debug build
* /force:multiple necessary to get LNK2005 & LNK4006 problems solved
Linker warnings:
ucrt.lib(api-ms-win-crt-heap-l1-1-0.dll) : warning LNK4006: _calloc ist bereits
in "clang_rt.asan-i386.lib(asan_malloc_win.cc.obj)" definiert; zweite
Definition wird ignoriert.
ucrt.lib(api-ms-win-crt-heap-l1-1-0.dll) : warning LNK4006: _realloc ist
bereits in "clang_rt.asan-i386.lib(asan_malloc_win.cc.obj)" definiert; zweite
Definition wird ignoriert.
ucrt.lib(api-ms-win-crt-heap-l1-1-0.dll) : warning LNK4006: _free ist bereits
in "clang_rt.asan-i386.lib(asan_malloc_win.cc.obj)" definiert; zweite
Definition wird ignoriert.
ucrt.lib(api-ms-win-crt-heap-l1-1-0.dll) : warning LNK4006: _malloc ist bereits
in "clang_rt.asan-i386.lib(asan_malloc_win.cc.obj)" definiert; zweite
Definition wird ignoriert.
When starting my app with the compiled DLL the app exits and as debug output I
get:
[3940] ==3940==AddressSanitizer CHECK failed:
C:\src\llvm_package_800-final\llvm\projects\compiler-rt\lib\asan\..\sanitizer_common/sanitizer_common_interceptors.inc:9498
"((__interception::real_memcpy)) != (0)" (0x0, 0x0)
[3940] ==3940==AddressSanitizer CHECK failed:
C:\src\llvm_package_800-final\llvm\projects\compiler-rt\lib\asan\asan_poisoning.cc:40
"((__interception::real_memset)) != (0)" (0x0, 0x0)</pre>
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