linux-kernel - Re: [PATCH] drivers: nvme: target: core: deref after null

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Message-ID: <2904522f-8981-459c-8f8a-5dfa6de40331@web.de>
Date: Mon, 10 Jun 2024 08:54:43 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: Alexandr Sapozhnikov <alsp705@...il.com>, linux-nvme@...ts.infradead.org,
 lvc-project@...uxtesting.org, Chaitanya Kulkarni <kch@...dia.com>,
 Christoph Hellwig <hch@....de>, Sagi Grimberg <sagi@...mberg.me>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drivers: nvme: target: core: deref after null

> After having been compared to a NULL value at core.c:813,
> pointer '(**sq->ctrl).sqs' is dereferenced at core.c:838.

* Please choose another imperative wording for an improved change description.
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.10-rc2#n94

* Would you like to add the tag “Fixes” accordingly?

* How do you think about to use the summary phrase “Avoid null pointer dereference
  in nvmet_sq_destroy()”?

* Is the subsystem specification “nvmet” more appropriate?

Regards,
Markus