netdev - Re: [PATCH v2 1/4] net: Split a __sys_bind helper for io

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Message-ID: <01ef97b5-33a5-4c79-a0cf-4655881f106c@I-love.SAKURA.ne.jp>
Date: Mon, 15 Jul 2024 22:59:06 +0900
From: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To: Matus Jokay <matus.jokay@...ba.sk>, Jens Axboe <axboe@...nel.dk>,
        Jakub Kicinski <kuba@...nel.org>
Cc: Gabriel Krisman Bertazi <krisman@...e.de>, io-uring@...r.kernel.org,
        netdev@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [PATCH v2 1/4] net: Split a __sys_bind helper for io_uring

On 2024/07/15 21:49, Matus Jokay wrote:
> Please fix io_bind and io_listen to not pass NULL ptr to related helpers
> __sys_bind_socket and __sys_listen_socket. The first helper's argument
> shouldn't be NULL, as related security hooks expect a valid socket object.
> 
> See the syzkaller's bug report:
> https://lore.kernel.org/linux-security-module/0000000000007b7ce6061d1caec0@google.com/

That was already fixed.

https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?h=for-next&id=ad00e629145b2b9f0d78aa46e204a9df7d628978