Subject: Re: kern/29124: Invalid TCP connection (from hacker/spam site) causes diagnostic panic
To: None <kern-bug-people@netbsd.org, gnats-admin@netbsd.org,>
From: Pavel Cahyna <pavel.cahyna@st.mff.cuni.cz>
List: netbsd-bugs
Date: 01/26/2005 14:26:01
The following reply was made to PR kern/29124; it has been noted by GNATS.
From: Pavel Cahyna <pavel.cahyna@st.mff.cuni.cz>
To: gnats-bugs@netbsd.org, paul@Plectere.com,
Andreas Wrede <andreas@planix.com>
Cc: pcah8322@artax.karlin.mff.cuni.cz
Subject: Re: kern/29124: Invalid TCP connection (from hacker/spam site) causes diagnostic panic
Date: Wed, 26 Jan 2005 15:34:36 +0100
On Tue, 25 Jan 2005 23:13:00 +0000, paul wrote:
>>Description:
> The TCP connection tear-down from a rogue hacker/spammer site will
> cause repeatable diagnostic panics at line 281 in file kern_timeout (i.e.
> "to_ticks" >= 0"). I have not (yet) successfully captured a copy of the
> code transfered of captured a trace of the TCP transaction (it always panics).
See "OpenBSD remote DoS vulnerability":
http://www.bsdfreak.org/modules/news/article.php?storyid=72 . Could it be
related? Unfortunately the story doesn't give much deatail, but there are
some patches.
Bye Pavel