From: David Miller <davem@davemloft.net>
To: ncardwell@google.com
Cc: idaifish@gmail.com, kuznet@ms2.inr.ac.ru, netdev@vger.kernel.org,
syzkaller@googlegroups.com, weiwan@google.com,
edumazet@google.com
Subject: Re: net/ipv4: divide error in __tcp_select_window
Date: Thu, 31 Aug 2017 12:25:43 -0700 (PDT) [thread overview]
Message-ID: <20170831.122543.754410467437404852.davem@davemloft.net> (raw)
In-Reply-To: <CADVnQynuyK5H1SDOnzDZPOnVn701JhrSQRCORVJ_6c=z_EooBw@mail.gmail.com>
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.
next prev parent reply other threads:[~2017-08-31 19:25 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 [this message]
2017-08-31 19:37 ` Neal Cardwell
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