[Bug 3894] SSH unable to open a new channel if the channel open request came right after a channel close request
bugzilla-daemon at mindrot.org
bugzilla-daemon at mindrot.org
Mon Nov 17 01:57:32 AEDT 2025
https://bugzilla.mindrot.org/show_bug.cgi?id=3894
--- Comment #3 from Alan Thomas <alanthomasmt at gmail.com> ---
Thanks Damien for the write-up. I understand why a garbage collector is
needed.
Do you think the issue that I had mentioned here is valid? That is, if
there are channel close and channel open in the buffered_input_packets,
no garbage collector would be called until all buffered are processed.
This results in a case where the ssh client thinks that the openssh
server had closed a channel and is now open to process a new channel.
But upon trying a channel open, the client will face failure because
the channel counter was not decremented until the garbage collector is
called.
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