Re: [PATCH] fix for ssh zombies introduced with r35533
From: Kyle McKay <mackyle_at_gmail.com>
Date: Mon, 20 Apr 2009 19:46:22 -0700
James,
Thanks for your details. I can now reproduce the problem you describe
https://bugzilla.mindrot.org/show_bug.cgi?id=85
The bug is actually endemic to the sshd code, not the ssh code.
To test whether or not any particular sshd suffers from the bug, do
ssh -2 <ssh_host_to_test> yes | true
If after responding to any prompts/entering any passwords, the
Some results:
Up-to-date Ubuntu 8.10: Bug 85 fixed
The other reason I wasn't able to duplicate the bug initially is that
svn log svn+ssh://<some_host>/<some_repos> | head
has a race condition. If the results coming back from the remote
For example this often demonstrates the problem:
svn log svn+ssh://<some_host>/<some_repos> | true
whereas this often does not (provided you wait patiently for sleep to
svn log svn+ssh://<some_host>/<some_repos> | sleep 15
So to sum it up, the problem is an already-fixed OpenSSH bug distinct
The patch I added to 2580 is not intended to fix the OpenSSH problem,
Whether or not to fix the zombie problem (it should definitely be
Kyle
On Apr 19, 2009, at 20:52, James Y Knight wrote:
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