From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: netdev@vger.kernel.org, willemb@google.com, edumazet@google.com
Subject: Re: [PATCH net] packet: avoid panic in packet_getsockopt()
Date: Sat, 21 Oct 2017 01:53:20 +0100 (WEST) [thread overview]
Message-ID: <20171021.015320.1529021296296615087.davem@davemloft.net> (raw)
In-Reply-To: <20171021.015008.162706023967923091.davem@davemloft.net>
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 :-)
next prev parent reply other threads:[~2017-10-21 0:53 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 [this message]
2017-10-21 1:11 ` Eric Dumazet
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20171021.015320.1529021296296615087.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=eric.dumazet@gmail.com \
--cc=netdev@vger.kernel.org \
--cc=willemb@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox