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Date:      Fri, 24 Jul 2015 00:56:10 +0300
From:      Slawa Olhovchenkov <slw@zxy.spb.ru>
To:        d@delphij.net
Cc:        freebsd-security@freebsd.org
Subject:   Re: FreeBSD Security Advisory FreeBSD-SA-15:13.tcp
Message-ID:  <20150723215610.GR44094@zxy.spb.ru>
In-Reply-To: <55B15DAB.7030905@delphij.net>
References:  <20150722025746.721831C32@freefall.freebsd.org> <20150722131856.GD43740@zxy.spb.ru> <55B140B5.8050904@delphij.net> <20150723204803.GE43740@zxy.spb.ru> <55B15DAB.7030905@delphij.net>

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On Thu, Jul 23, 2015 at 02:33:31PM -0700, Xin Li wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA512
> 
> (Bcc'ed some unnamed patch authors so they can correct me if I was wrong
> ).
> 
> On 07/23/15 13:48, Slawa Olhovchenkov wrote:
> > On Thu, Jul 23, 2015 at 12:29:57PM -0700, Xin Li wrote:
> > 
> >> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512
> >> 
> >> On 07/22/15 06:18, Slawa Olhovchenkov wrote:
> >>> On Wed, Jul 22, 2015 at 02:57:46AM +0000, FreeBSD Security 
> >>> Advisories wrote:
> >>> 
> >>> This is correspondent to kern/25986? Or kern/25986 is
> >>> different bug?
> >> 
> >> I think it's the same bug.
> > 
> > I see patch in kern/25986 is different from SA. May be SA close not
> > all issuses?
> 
> Yes they are different, but I think that one and r284941 (MFC'ed to
> stable/10 as r285793) should have addressed all possible situations.

: When TCP socket goes to LAST_ACK state & remote host do not respone
: ACK forever, socket would stay at LAST_ACK forever and never be
: removed.

This situation too? Regardless of zero window condition?



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