[Bug 3405] clientloop's client_wait_until_can_do_something uses 100 % CPU with ssh 2> >({exec 1>&2})

bugzilla-daemon at mindrot.org bugzilla-daemon at mindrot.org
Thu Mar 31 08:27:53 AEDT 2022


Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
             Blocks|                            |3395
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Damien Miller <djm at mindrot.org> ---
This has been fixed in git head and will be in the openssh-9.0 release
that is due very soon.

commit d6556de1db0822c76ba2745cf5c097d9472adf7c
Author: djm at openbsd.org <djm at openbsd.org>
Date:   Wed Mar 30 21:10:25 2022 +0000

    upstream: fix poll() spin when a channel's output fd closes without

    data in the channel buffer. Introduce more exact packing of channel
fds into
    the pollfd array. fixes bz3405 and bz3411; ok deraadt@ markus@

    OpenBSD-Commit-ID: 06740737849c9047785622ad5d472cb6a3907d10

Referenced Bugs:

[Bug 3395] Tracking bug for openssh-9.0
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