kern/163208: [pf] PF state key linking mismatch

Ermal Luçi eri at freebsd.org
Mon Jan 23 16:30:14 UTC 2012


The following reply was made to PR kern/163208; it has been noted by GNATS.

From: =?ISO-8859-1?Q?Ermal_Lu=E7i?= <eri at freebsd.org>
To: =?ISO-8859-1?Q?Tilman_Keskin=F6z?= <arved at freebsd.org>
Cc: bug-followup at freebsd.org
Subject: Re: kern/163208: [pf] PF state key linking mismatch
Date: Mon, 23 Jan 2012 17:21:21 +0100

 On Mon, Jan 23, 2012 at 1:13 PM, Tilman Keskin=F6z <arved at freebsd.org> wrot=
 e:
 >
 > * Ermal Lu=E7i [Mon, 23 Jan 2012 11:50:07 GMT]:
 >
 > >
 > > =A0Probably a sysctl to disable this should be provided.
 > > =A0There might be unexpected consequences from this and the better fix =
 is to
 > > =A0find the section where the mbuf is being reused.
 >
 > What consequences?
 >
 > Is there anything that can be done, to debug where the mbuf is reused?
 >
 
 You have to find the subsystem that does the re-use.
 Starting from the pf state seeing if it is udp/tcp/... then trying
 finding the specific part that would trigger this.
 As in TCP after a RST or somesuch.
 
 > >
 > >
 > > =A0> Please fix :)
 
 
 
 
 --
 Ermal


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