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<p class="MsoNormal"><span lang="EN-US">Hello , I thought about MSAN memory sanitizer and OpenJDK. See<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><a href="https://clang.llvm.org/docs/MemorySanitizer.html">https://clang.llvm.org/docs/MemorySanitizer.html</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><a href="https://github.com/google/sanitizers/wiki/MemorySanitizer">https://github.com/google/sanitizers/wiki/MemorySanitizer</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">We have already some sanitizer support in OpenJDK e.g. for ASAN (address) and UBSAN (undefined behavior).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Would MSAN be still useful , or is everything already covered by other tools?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Was there already some attempt to try out/support MSAN with OpenJDK ?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">While looking into it, it seems that so far MSAN only works with clang (while e.g. UBSAN works with clang and gcc), is that correct ?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Btw. while giving it a try to compile OpenJDK with MSAN support (Linux/clang ; added build flags -fsanitize=memory -fno-omit-frame-pointer ) I was running into this
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">…/jdk/bin/javac: symbol lookup error: …/jdk/bin/../lib/libjli.so: undefined symbol: __msan_param_tls<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">(maybe someone has seen a similar error ?)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Best regards, Matthias<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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