netdev - Re: Fwd: kernel tried to execute NX-protected page - exploit attempt? (uid: 0) (qbittorrent with tx-nocache-copy)

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Date: Tue, 24 Oct 2023 14:32:42 +0200
From: "Linux regression tracking (Thorsten Leemhuis)"
 <regressions@...mhuis.info>
To: Eric Dumazet <edumazet@...gle.com>, Bagas Sanjaya <bagasdotme@...il.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Linux Networking <netdev@...r.kernel.org>,
 Linux Memory Management List <linux-mm@...ck.org>,
 Linux Regressions <regressions@...ts.linux.dev>,
 "David S. Miller" <davem@...emloft.net>, Benjamin Poirier
 <bpoirier@...e.de>, Tom Herbert <therbert@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Andrew Morton <akpm@...ux-foundation.org>, CM76 <cmaff76@...il.com>
Subject: Re: Fwd: kernel tried to execute NX-protected page - exploit attempt?
 (uid: 0) (qbittorrent with tx-nocache-copy)

On 24.10.23 11:25, Eric Dumazet wrote:
> On Tue, Oct 24, 2023 at 10:53 AM Bagas Sanjaya <bagasdotme@...il.com> wrote:
>>
>> On 24/10/2023 15:15, Bagas Sanjaya wrote:
>>>
>>> I notice a regression report on Bugzilla [1]. Quoting from it:
>>>> I believe this is also an issue with the Broadcom bnx2 drivers since it only seem to happen when I enable "tx-nocache-copy" in ethtool.
>>[...]
>> Thanks.
>
> This has been fixed already two weeks ago.
> 
> commit 71c299c711d1f44f0bf04f1fea66baad565240f1

Eric, thx for letting us know!

#regzbot fix: 71c299c711d1f44f0

Bagas, maybe in a case like this wait with forwarding the report until
the reporter confirmed that the bug happens with a really fresh kernel.

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
If I did something stupid, please tell me, as explained on that page.