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From: Eric Dumazet <edumazet@google.com>
To: David Miller <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
	netdev <netdev@vger.kernel.org>,
	Willem de Bruijn <willemb@google.com>
Subject: Re: [PATCH net] packet: avoid panic in packet_getsockopt()
Date: Fri, 20 Oct 2017 18:11:08 -0700	[thread overview]
Message-ID: <CANn89iKMj3wOXV28RhZ59hrBVUNhUbcadKJSxfDhpVUKkPTN_w@mail.gmail.com> (raw)
In-Reply-To: <20171021.015320.1529021296296615087.davem@davemloft.net>

On Fri, Oct 20, 2017 at 5:53 PM, David Miller <davem@davemloft.net> wrote:
> From: David Miller <davem@davemloft.net>
> Date: Sat, 21 Oct 2017 01:50:08 +0100 (WEST)
>
>> From: Eric Dumazet <eric.dumazet@gmail.com>
>> Date: Wed, 18 Oct 2017 15:08:24 -0700
>>
>>> From: Eric Dumazet <edumazet@google.com>
>>>
>>> syzkaller got crashes in packet_getsockopt() processing
>>> PACKET_ROLLOVER_STATS command while another thread was managing
>>> to change po->rollover
>>>
>>> Using RCU will fix this bug. We might later add proper RCU annotations
>>> for sparse sake.
>>>
>>> Fixes: a9b6391814d5 ("packet: rollover statistics")
>>> Signed-off-by: Eric Dumazet <edumazet@google.com>
>>
>> Applied and queued up for -stable, but:
>>
>>> Willem de Bruijn <willemb@google.com>
>>
>> I didn't know what kind of tag you intended to use here for Willem
>> so just deleted the line.
>
> I just noticed 'v2' of this patch and replaced it in time before I
> pushed out :-)

Nice, thanks again !

      reply	other threads:[~2017-10-21  1:11 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-18 22:08 [PATCH net] packet: avoid panic in packet_getsockopt() Eric Dumazet
2017-10-18 23:14 ` [PATCH v2 " Eric Dumazet
2017-10-20 19:11   ` kbuild test robot
2017-10-20 19:25     ` Eric Dumazet
2017-10-21  0:50 ` [PATCH " David Miller
2017-10-21  0:53   ` David Miller
2017-10-21  1:11     ` Eric Dumazet [this message]

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