Thank you so much for the info! I will write a minimal reproducer and file the ticket.
On Thu, May 12, 2016 at 4:14 PM, Alex Gaynor <alex.gay...@gmail.com> wrote: > Ugh, that's nasty, awesome job debugging it! > > You can disable the osrandom engine with > https://cryptography.io/en/latest/hazmat/backends/openssl/#activate_builtin_random > however it'd be great to actually get this fixed. Can you file a ticket > with all this info (and if you have a minimal reproducer, that as well)? > > Thanks! > Alex > > On Thu, May 12, 2016 at 4:09 PM, Alexander Yukhanov <a.yukha...@gmail.com> > wrote: > >> Hello, >> I have a service which uses hazmat, requests and tornado. Now and when i >> am encountering deadlock in openssl. One thread is trying to perform >> handshake, acquires CRYPTO_LOCK_RSA lock and is trying to call to >> Cryptography_rand_bytes which required GIL. Another thread is keeping GIL >> and trying to execute PySSL_dealloc, which required locking of >> CRYPTO_LOCK_RSA. So, it seems to be a classical deadlock. >> Can i use hazmat without osrandom engine registration? >> >> Thank you, >> Alex >> >> _______________________________________________ >> Cryptography-dev mailing list >> Cryptography-dev@python.org >> https://mail.python.org/mailman/listinfo/cryptography-dev >> >> > > > -- > "I disapprove of what you say, but I will defend to the death your right > to say it." -- Evelyn Beatrice Hall (summarizing Voltaire) > "The people's good is the highest law." -- Cicero > GPG Key fingerprint: D1B3 ADC0 E023 8CA6 > > > _______________________________________________ > Cryptography-dev mailing list > Cryptography-dev@python.org > https://mail.python.org/mailman/listinfo/cryptography-dev > >
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