linux-kernel - Re: [PATCH] drbd: Add NULL check for net_conf to prevent dereference in state validation

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Message-Id: <172593129267.13781.9847171739560045999.b4-ty@kernel.dk>
Date: Mon, 09 Sep 2024 19:21:32 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Philipp Reisner <philipp.reisner@...bit.com>, 
 Mikhail Lobanov <m.lobanov@...alinux.ru>
Cc: Lars Ellenberg <lars.ellenberg@...bit.com>, drbd-dev@...ts.linbit.com, 
 linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, 
 lvc-project@...uxtesting.org, stable@...r.kernel.org
Subject: Re: [PATCH] drbd: Add NULL check for net_conf to prevent
 dereference in state validation


On Mon, 09 Sep 2024 09:37:36 -0400, Mikhail Lobanov wrote:
> If the net_conf pointer is NULL and the code attempts to access its
> fields without a check, it will lead to a null pointer dereference.
> Add a NULL check before dereferencing the pointer.
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> 
> [...]

Applied, thanks!

[1/1] drbd: Add NULL check for net_conf to prevent dereference in state validation
      commit: de068f4741781bbba0568b44b41d51da0feef6f9

Best regards,
-- 
Jens Axboe