From: Neal Cardwell <ncardwell@google.com>
To: David Miller <davem@davemloft.net>
Cc: idaifish <idaifish@gmail.com>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
Netdev <netdev@vger.kernel.org>,
syzkaller@googlegroups.com, Wei Wang <weiwan@google.com>,
Eric Dumazet <edumazet@google.com>
Subject: Re: net/ipv4: divide error in __tcp_select_window
Date: Thu, 31 Aug 2017 15:37:13 -0400 [thread overview]
Message-ID: <CADVnQy=GA_neQ2CsXmdZbPozcd-N6iUoX-jXZkNgXocPVo2efg@mail.gmail.com> (raw)
In-Reply-To: <20170831.122543.754410467437404852.davem@davemloft.net>
On Thu, Aug 31, 2017 at 3:25 PM, David Miller <davem@davemloft.net> wrote:
>
> From: Neal Cardwell <ncardwell@google.com>
> Date: Thu, 31 Aug 2017 07:11:28 -0400
>
> > Thanks for the report. I believe this tcp_recvmsg => tcp_cleanup_rbuf
> > => __tcp_select_window divide-by-zero issue was fixed in May by Wei,
> > in:
> >
> > 499350a5a6e7 tcp: initialize rcv_mss to TCP_MIN_MSS instead of 0
> > https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=499350a5a6e7
> >
> > Looks like we should probably mark this as a -stable candidate, so
> > that it will eventually make it to 4.4.y, 4.9.y, 4.12.y users, etc. (I
> > don't see the commit in those stable branches.)
>
> Ok, queued up for -stable, thanks.
Great. Thanks!
neal
prev parent reply other threads:[~2017-08-31 19:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-31 5:56 net/ipv4: divide error in __tcp_select_window idaifish
2017-08-31 11:11 ` Neal Cardwell
2017-08-31 19:25 ` David Miller
2017-08-31 19:37 ` Neal Cardwell [this message]
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