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[Bug 3411] New: 8.9 regression: "ssh -XAf localhost xeyes" uses 100% CPU
https://bugzilla.mindrot.org/show_bug.cgi?id=3411

Bug ID: 3411
Summary: 8.9 regression: "ssh -XAf localhost xeyes" uses 100%
CPU
Product: Portable OpenSSH
Version: 8.9p1
Hardware: Other
OS: Linux
Status: NEW
Severity: normal
Priority: P5
Component: ssh
Assignee: unassigned-bugs@mindrot.org
Reporter: harri@afaics.de

Hi folks,

a simple ssh command like

ssh -XAf localhost xeyes

uses 100% CPU when the terminal goes away. There is no such problem for
openssh 8.8 (or for using nohup).

Same problem for other apps instead of xeyes (e.g. xterm) and for
remote hosts instead of localhost.

configure command line:

./configure --prefix=/usr/local/stow/openssh-8.9p1
--with-privsep-path=/tmp/empty

I got the same problem using Debian's ssh client, see
https://bugs.debian.org/1007822


Regards

Harri

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