On Thu, May 23, 2013 at 03:01:43PM +0200, Ian Kumlien wrote:
> git 22.214.171.124 is started by xinetd
> I have found "git receive-pack"s that has been running for days/weeks
> without terminating....
> Attaching gdb and doing a trace results in:
> #0 0x0000003261207b35 in pthread_join () from /lib64/libpthread.so.0
> #1 0x00000000004ce58b in finish_async ()
> #2 0x000000000045744b in cmd_receive_pack ()
> #3 0x0000000000404851 in handle_internal_command ()
> #4 0x0000000000404c9d in main ()
I recently fixed a deadlock that could happen in receive-pack when
clients hung up before sending a valid pack header. The fix is commit
49ecfa1, and it's in git v126.96.36.199.
The stack trace for the deadlock fixed by 49ecfa1 would have
unpack_with_sideband between #1 and #2 above, but it is entirely
possible that it is simply inlined in your build of git, depending on
the -O level of your build (it is a static function that is only called
from one place). So it seems likely that it is the culprit.
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