linux-kernel - Re: [PATCH] block: bio-integrity: fix potential null-ptr-deref in bio_integrity

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Date: Tue, 11 Jun 2024 11:15:06 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: Ye Bin <yebin10@...wei.com>, linux-block@...r.kernel.org,
 linux-nvme@...ts.infradead.org, Jens Axboe <axboe@...nel.dk>
Cc: LKML <linux-kernel@...r.kernel.org>, Christoph Hellwig
 <hch@...radead.org>, Ming Lei <ming.lei@...hat.com>
Subject: Re: [PATCH] block: bio-integrity: fix potential null-ptr-deref in
 bio_integrity_free

…
> The root cause of this issue is the concurrency between the write process
> and the block size update process. However, this concurrency does not exist
> in actual production environments. To solve above issue, Verify if the
> segments of BIO are aligned with integrity intervals.

* Please improve the change description with an imperative wording.
  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 bio_integrity_free()”?

Regards,
Markus