netdev - Re: [PATCH net] igb: fix a use-after-free issue in igb_clean_tx

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Message-ID: <f137891f-eb33-b32b-5a16-912eb524ddef@intel.com>
Date:   Thu, 16 Jun 2022 11:26:09 -0700
From:   Jesse Brandeburg <jesse.brandeburg@...el.com>
To:     Lorenzo Bianconi <lorenzo@...nel.org>, <netdev@...r.kernel.org>,
        <davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>
CC:     <anthony.l.nguyen@...el.com>, <edumazet@...gle.com>,
        <intel-wired-lan@...ts.osuosl.org>, <lorenzo.bianconi@...hat.com>,
        <magnus.karlsson@...el.com>, <jbrouer@...hat.com>,
        <sven.auhagen@...eatech.de>
Subject: Re: [PATCH net] igb: fix a use-after-free issue in igb_clean_tx_ring

On 6/16/2022 7:13 AM, Lorenzo Bianconi wrote:
> Fix the following use-after-free bug in igb_clean_tx_ring routine when
> the NIC is running in XDP mode. The issue can be triggered redirecting
> traffic into the igb NIC and then closing the device while the traffic
> is flowing.

<snip>

> 
> Fixes: 9cbc948b5a20c ("igb: add XDP support")
> Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>

Thanks Lorenzo, @maintainers this fix seems simple enough you could 
directly apply it without going through intel-wired-lan, once you think 
it's ready.

Reviewed-by: Jesse Brandeburg <jesse.brandeburg@...el.com>