Date: Wed, 18 May 2005 14:19:53 +0200 From: Kipp Holger <hk@alogis.com> To: stable@freebsd.org Subject: sshd on 5.4-STABLE broken!? Message-ID: <20050518121953.GA64455@intserv.int1.b.intern>
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Hi, I am still having a problem with sshd-behaviour which looks similar to bin/33155 or maybe it is related to bin/74255? - what am I doing wrong? - is someone else experiencing the same behaviour? - can I provide any additional data? the systems in question are default installations with only a few additional packages (like webservers with apache_modssl, mod_perl), but no openssl from ports or other magical changes to the configuration. All 5.4-STABLE systems were updated from 5.3-STABLE. Connecting to a server with ssh and pressing ctrl-c instead of entering a password results in a process that won't terminate. After ten processes have been created like this, login via ssh is (of course) not possible any longer... I do see this behaviour on several servers with FreeBSD 5.3-STABLE from 16.11.2004 (SMP) and one server with FreeBSD 5.4-STABLE from 11.05.2005 (SMP) (HP ProLiant DL360/380) and I don't see this on another server with FreeBSD 5.4-STABLE from 06.11.2005 (SMP) and FreeBSD 5.4-STABLE from 16.11.2005 (single processor AMD Duron) (Dell PowerEdge 2800 and Home-PC with ASRock-Board) so this is really strange. Below is output of ps and sockstat with the relevant entries as found on one of those misbehaving systems. Ideas welcome! Regards, Holger Kipp server1 is 5.4-STABLE #17: Wed May 11 11:52:39 CEST 200 24734 ?? Ss 0:00,04 sshd: unknown [priv] (sshd) 24736 ?? S 0:00,00 sshd: blubber [pam] (sshd) root sshd 24736 3 stream -> ?? root sshd 24736 4 tcp4 <server1>:22 <server2>:3220 root sshd 24736 5 stream (not connected) root sshd 24736 7 stream -> ?? root sshd 24734 3 stream -> ?? root sshd 24734 4 tcp4 <server1>:22 <server2>:3220 root sshd 24734 5 stream (not connected) root sshd 24734 7 stream -> ?? a few minutes later: 24736 ?? I 0:00,00 sshd: blubber [pam] (sshd) root sshd 24736 3 stream -> ?? root sshd 24736 4 tcp4 <server1>:22 <server2>:3220 root sshd 24736 5 stream (not connected) root sshd 24736 7 stream -> ?? -------------------------- again: 24736 ?? I 0:00,00 sshd: blubber [pam] (sshd) 25350 ?? Ss 0:00,04 sshd: unknown [priv] (sshd) 25352 ?? S 0:00,00 sshd: blubber [pam] (sshd) root sshd 25352 3 stream -> ?? root sshd 25352 4 tcp4 <server1>:22 <server2>:1076 root sshd 25352 5 stream (not connected) root sshd 25352 6 stream -> ?? root sshd 25350 3 stream -> ?? root sshd 25350 4 tcp4 <server1>:22 <server2>:1076 root sshd 25350 5 stream (not connected) root sshd 25350 6 stream -> ?? root sshd 24736 3 stream -> ?? root sshd 24736 4 tcp4 <server1>:22 <server2>:3220 root sshd 24736 5 stream (not connected) root sshd 24736 7 stream -> ?? and two minutes later: 24736 ?? I 0:00,00 sshd: blubber [pam] (sshd) 25352 ?? I 0:00,00 sshd: blubber [pam] (sshd) root sshd 25352 3 stream -> ?? root sshd 25352 4 tcp4 <server1>:22 <server2>:1076 root sshd 25352 5 stream (not connected) root sshd 25352 6 stream -> ?? root sshd 24736 3 stream -> ?? root sshd 24736 4 tcp4 <server1>:22 <server2>:3220 root sshd 24736 5 stream (not connected) root sshd 24736 7 stream -> ?? and eleven hours later: 24736 ?? I 0:00,00 sshd: blubber [pam] (sshd) 25352 ?? I 0:00,00 sshd: blubber [pam] (sshd) root sshd 25352 3 stream -> ?? root sshd 25352 5 stream (not connected) root sshd 25352 6 stream -> ?? root sshd 24736 3 stream -> ?? root sshd 24736 5 stream (not connected) root sshd 24736 7 stream -> ??
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