[Bug 2756] sshd does not seem to terminate despite ClientAlive[Interval|CountMax] when a process is polling a remote forwarding channel

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=2756

--- Comment #4 from willchan at google.com ---
Cool, thanks! I glanced briefly at the patch and it looks like it'll
definitely help. The minor nit I have is it could also update the
select timeout. It's OK as is, but it means that the
client_alive_check() may be called up to, in worst case, just under a
full ClientAliveInterval after it should. The worst case is when
writesetp is ready when (last_client_time +
options.client_alive_interval == monotime()), so it fails the 
(last_client_time + options.client_alive_interval < monotime()) check.
And then the next select() call times out after a full
ClientAliveInterval.

That's a nit. This fixes the bulk of the issue AFAICT. Thanks.

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