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