[llvm-dev] tsan_interface_java.h; any users? reviving https://github.com/google/java-thread-sanitizer?

[Dmitry Vyukov via llvm-dev]

On Thu, Aug 31, 2017 at 11:31 AM, Jiri Danek <jdanek at redhat.com> wrote:
>> 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 doable
> so 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.


> 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.


+Jaeheon, Alexander, Jeremy