mirror of
https://github.com/FairRootGroup/FairMQ.git
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a0e8271aca
- libzmq is not tsan-instrumented, so tsan cannot see the happens-before its queues establish between user threads and libzmq I/O threads, producing false-positive data races on message buffers - add test/thread_sanitizer_suppressions.txt and point TSAN_OPTIONS at it via the sanitizers job env so it reaches the tests and their device subprocesses - suppress: accesses made directly from libzmq, the zero-copy message deleters libzmq runs from msg_t::close, shmem receive-side metadata reads, and std::regex/locale lazy-init races in libstdc++
33 lines
1.4 KiB
Plaintext
33 lines
1.4 KiB
Plaintext
# ThreadSanitizer suppressions for FairMQ.
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#
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# libzmq is not built with -fsanitize=thread, so tsan cannot observe the
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# happens-before that its inproc/socket queues establish between the user
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# threads and libzmq's I/O threads. This produces false-positive data races
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# on message buffers handed across that boundary. The proper fix is to build
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# libzmq with tsan as well; until then these races are suppressed.
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# Racy access made directly from libzmq (encoder/decoder memcpy,
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# signaler/epoll, recv).
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called_from_lib:libzmq.so
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# Zero-copy message deleters that libzmq runs from msg_t::close once it is
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# done with a buffer; the happens-before with the buffer's producer runs
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# through libzmq's queue.
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race:zmq::msg_t::close
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race:fair::mq::TransportFactory::SimpleMsgCleanup
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# shmem message metadata read on the user side after delivery through libzmq
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# (the shmem transport ships its metadata over a zeromq channel).
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race:fair::mq::shmem::Message::Message
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race:fair::mq::shmem::Socket::Receive
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race:fair::mq::shmem::ShmHeader
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# Multipart message buffers written by the sending thread and read back by the
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# receiving thread after delivery through libzmq's inproc queue; the
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# happens-before runs through that non-instrumented queue.
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race:RunMultiThreadedMultipart
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# std::regex / std::locale facet lazy-init races inside libstdc++.
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race:fair::mq::Channel::Validate
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race:fair::mq::tools::ToString
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