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Date:      Tue, 8 Apr 1997 16:43:23 +0400 (MSD)
From:      =?KOI8-R?B?4c7E0sXKIP7F0s7P1w==?= <ache@nagual.ru>
To:        FreeBSD-current <current@freebsd.org>
Cc:        dyson@freebsd.org, peter@freebsd.org
Subject:   new ufs exec crash in -current
Message-ID:  <Pine.BSF.3.96.970408163457.203A-100000@nagual.ru>

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Put this line in your .login and you got system crash withing a minute
after this command executed:

exec /usr/local/bin/ssh -l <you> -e none -c des locahlost
				         ^^^^^ this cipher must be _not_
					       supported, it is true,
					       if you run sshd 1.2.18

If you remove "exec" word from here, you'll just get proper error
diagnostic about not supported cipher, but no crash.

Crash details:
page fault in kernel mode

stack looks like:

lockstatus
ufs_islocked
vfs_msync
sync
vfs_update
kproc_start
main

Please, fix.

-- 
Andrey A. Chernov
<ache@null.net>
http://www.nagual.ru/~ache/




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