Date: Sun, 05 Mar 2006 13:52:18 +0100 From: Oliver Leitner <Shadow333@gmx.at> To: Giorgos Keramidas <keramida@ceid.upatras.gr> Cc: freebsd@orchid.homeunix.org, Kovesdan Gabor <gabor.kovesdan@t-hosting.hu>, freebsd-questions@freebsd.org Subject: Re: Where am I? :) Message-ID: <440ADF02.8070806@gmx.at> In-Reply-To: <20060305011234.GA36522@flame.pc> References: <4408D4D3.4030102@t-hosting.hu> <440A05B0.6070903@gmx.at> <440A10A5.5060205@t-hosting.hu> <440A1443.3090205@orchid.homeunix.org> <440A1795.3030904@gmx.at> <20060305011234.GA36522@flame.pc>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 *If* this is a genuine bug in the 7.0 branch of fbsd, it would sound like a major problem to me... Have you tried to reach the developers, to tell them about the problem? Giorgos Keramidas schrieb: > On 2006-03-04 23:41, Oliver Leitner <Shadow333@gmx.at> wrote: > >>Well, it could have different reasons then: >> >>1. your box has been hacked, and you have a somewhat crippled login or >>shell, try to replace that things with clean ones. >> >>2. maybe there is something wrong with memory mapping, eventually diag >>your ram, or build a new "kernel". >> >>3. its just one of those accidently things that happen every 10 years >>once... > > > No it's a genuine bug. I can reproduce it here too, on FreeBSD > 7.0-CURRENT, using the instructions of Gabor Kovesdan, as you can > see here: > > % keramida@flame:/home/keramida$ w > % 3:07AM up 1 day, 3:12, 3 users, load averages: 0.12, 0.09, 0.03 > % USER TTY FROM LOGIN@ IDLE WHAT > % keramida v2 - 3:07AM - w > % keramida@flame:/home/keramida$ tty > % /dev/ttyv2 > > Here you can see that I'm logged in on ttyv2 (third virtual console). > > % keramida@flame:/home/keramida$ login some_fake_user > % Password: > % Login incorrect > % login: keramida > % Last login: Sun Mar 5 03:07:27 on ttyv2 > % Copyright (c) 1992-2006 The FreeBSD Project. > % Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 > % The Regents of the University of California. All rights reserved. > % > % FreeBSD 7.0-CURRENT (FLAME) #0: Fri Mar 3 20:13:02 EET 2006 > % keramida@flame:/home/keramida$ w > % 3:07AM up 1 day, 3:13, 3 users, load averages: 0.08, 0.09, 0.03 > % USER TTY FROM LOGIN@ IDLE WHAT > % keramida v2 - 3:07AM - w > % keramida@flame:/home/keramida$ > > Now I'm logged in again on the same terminal, but in a nested login. > > % keramida@flame:/home/keramida$ exit > % logout > % keramida@flame:/home/keramida$ w > % 3:07AM up 1 day, 3:13, 2 users, load averages: 0.08, 0.09, 0.03 > % USER TTY FROM LOGIN@ IDLE WHAT > % keramida@flame:/home/keramida$ > > Done. I'm gone, and my login record has been wiped from wtmp. > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFECt8CWvEVE8MtwbgRAkywAKCVxsVNPQeuNovGKXmSfaUS4QG4SQCeJM9D jiBcPTf4w3Gl5V02jNjTXGI= =mQZX -----END PGP SIGNATURE-----
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