Jiri Danek via llvm-dev
2017-Aug-30 07:51 UTC
[llvm-dev] tsan_interface_java.h; any users? reviving https://github.com/google/java-thread-sanitizer?
Hello, I've been looking at ThreadSanitizer in https://github.com/llvm-mirror/compiler-rt and I noticed some Java-related files. Is there a version of ThreadSanitizer build on top of that, which I could use to sanitize my Java programs? I could not find any. I found https://github.com/google/java-thread-sanitizer, which seems to be now abandoned. It used to work with ThreadSanitizer v1. Has anybody ever tried to make it work with the current ThreadSanitizer? Thanks, -- Jiří Daněk -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20170830/faa54025/attachment.html>
Kuba Mracek via llvm-dev
2017-Aug-30 16:24 UTC
[llvm-dev] tsan_interface_java.h; any users? reviving https://github.com/google/java-thread-sanitizer?
+Dmitry, Kostya> On Aug 30, 2017, at 12:51 AM, Jiri Danek via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > Hello, > > I've been looking at ThreadSanitizer in https://github.com/llvm-mirror/compiler-rt <https://github.com/llvm-mirror/compiler-rt> and I noticed some Java-related files. Is there a version of ThreadSanitizer build on top of that, which I could use to sanitize my Java programs? I could not find any. > > I found https://github.com/google/java-thread-sanitizer <https://github.com/google/java-thread-sanitizer>, which seems to be now abandoned. It used to work with ThreadSanitizer v1. Has anybody ever tried to make it work with the current ThreadSanitizer? > > Thanks, > -- > Jiří Daněk > _______________________________________________ > LLVM Developers mailing list > llvm-dev at lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20170830/3f8c7795/attachment-0001.html>
Jiri Danek via llvm-dev
2017-Aug-31 09:31 UTC
[llvm-dev] tsan_interface_java.h; any users? reviving https://github.com/google/java-thread-sanitizer?
> > On Aug 30, 2017, at 12:51 AM, Jiri Danek via llvm-dev < > llvm-dev at lists.llvm.org> wrote: > I found https://github.com/google/java-thread-sanitizer, which seems to > be now abandoned. It used to work with ThreadSanitizer v1. Has anybody ever > tried to make it work with the current ThreadSanitizer? > > I gave it a try and bending java-thread-sanitizer to my needs seems doableso far: 1) making java-thread-sanitizer compile with Gradle and run its example under Java 8, check (although I have to pass -noverify to JVM) 2) LD_PRELOADing libtsan.so to JVM, accessing it from JNA, check 3) reproducing one tsan test (tests/rtl/tsan_mop.cc) with Java threads and made up pointers passed to __tsan_write*(), check 3) disabling Garbage Collection in JVM (just to possibly simplify things) cannot be done, but it should not matter, because System.identityHashcode should be unchanging, so check With that, just put that all together and I should have a sanitizer for java. Only problem so far is that I don't have alternative for __tsan_func_entry, so I cannot have reasonable stacktraces in TSan error messages. I should be able to work around it during Java code instrumentation, to save myself enough info to be able to make sense of the impoverished TSan messages. Cheers, -- Jiří Daněk -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20170831/b44d566a/attachment.html>
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