On 04 Jan 2016, at 12:54, Timo Sirainen <t...@iki.fi> wrote: > >> >> On 04 Jan 2016, at 09:58, Florian Pritz <bluew...@xinu.at> wrote: >> >> On 04.01.2016 15:49, Timo Sirainen wrote: >>> What about: >>> >>>>> #5 0x000000000041dde6 in client_check_command_hangs (client=0x2363450) >>>>> at imap-client.c:841 >>>>> cmd = 0x0 >>>>> unfinished_count = 0 >>>>> have_wait_unfinished = true >>>>> __FUNCTION__ = "client_check_command_hangs" >>> >>> Either the new code that's detecting hanging-bugs is somehow broken or it's >>> actually preventing a hang by crashing instead, in which case the bug is >>> elsewhere.. >> >> Output below. >> >> Sending a private mail because I don't know what that session ID in the >> output can be used for. > > The session ID is harmless. Anyway, I'm having trouble figuring out how the > crash could happen or how to reproduce it. According to the backtrace it > seems like the client is running IDLE and then it sends "DONE\r\nNOOP\r\n" in > same IP packet. But when doing that, I don't see a crash. Although during > testing I did find several other bugs. Could you try patching and seeing if > you still get the same crash after them? Or have you seen the crash after the > initial few times? > > https://github.com/dovecot/core/commit/1ddf959a750f3860feff4ab3f0e908f32740978f.diff > https://github.com/dovecot/core/commit/c8e9fa2ffa2566e75f0500808b1bc9bf5d9db024.diff > https://github.com/dovecot/core/commit/15307c2c91854e766bd9fb095d611a29b3f7572e.diff > https://github.com/dovecot/core/commit/c7801f830c7d2e7d340065cdd5a5c795b1726223.diff
Actually, maybe this is enough: https://github.com/dovecot/core/commit/f136b0050b3125b466af73984177250b7ed1a3be.diff I still wasn't able to reproduce it though.
