From: Mat Martineau <mathew.j.martineau@linux.intel.com>
To: Paolo Abeni <pabeni@redhat.com>
Cc: netdev@vger.kernel.org, Jakub Kicinski <kuba@kernel.org>,
mptcp@lists.01.org
Subject: Re: [MPTCP] [PATCH net-next] mptcp: update rtx timeout only if required.
Date: Wed, 18 Nov 2020 16:42:44 -0800 (PST) [thread overview]
Message-ID: <d69c8138-311b-f94e-74b8-1e759846eec0@linux.intel.com> (raw)
In-Reply-To: <1a72039f112cae048c44d398ffa14e0a1432db3d.1605737083.git.pabeni@redhat.com>
On Wed, 18 Nov 2020, Paolo Abeni wrote:
> We must start the retransmission timer only there are
> pending data in the rtx queue.
> Otherwise we can hit a WARN_ON in mptcp_reset_timer(),
> as syzbot demonstrated.
>
> Reported-and-tested-by: syzbot+42aa53dafb66a07e5a24@syzkaller.appspotmail.com
> Fixes: d9ca1de8c0cd ("mptcp: move page frag allocation in mptcp_sendmsg()")
> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
> ---
> net/mptcp/protocol.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
--
Mat Martineau
Intel
next prev parent reply other threads:[~2020-11-19 0:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-18 22:05 [PATCH net-next] mptcp: update rtx timeout only if required Paolo Abeni
2020-11-19 0:42 ` Mat Martineau [this message]
2020-11-19 14:19 ` [MPTCP] " Naresh Kamboju
2020-11-20 5:55 ` Jakub Kicinski
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