From: Chaitanya Kulkarni <chaitanyak@nvidia.com>
To: Keith Busch <kbusch@meta.com>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"axboe@kernel.dk" <axboe@kernel.dk>, "hch@lst.de" <hch@lst.de>
Cc: "yukuai@fnnas.com" <yukuai@fnnas.com>,
Keith Busch <kbusch@kernel.org>,
Matthew Wilcox <willy@infradead.org>
Subject: Re: [PATCH] block: fix merging data-less bios
Date: Tue, 11 Nov 2025 16:00:47 +0000 [thread overview]
Message-ID: <a4cca7d2-dbb2-482c-b8a9-7965520e06ab@nvidia.com> (raw)
In-Reply-To: <20251111140620.2606536-1-kbusch@meta.com>
On 11/11/25 06:06, Keith Busch wrote:
> From: Keith Busch<kbusch@kernel.org>
>
> The data segment gaps the block layer tracks doesn't apply to bio's that
> don't have data. Skip calculating this to fix a NULL pointer access.
>
> Fixes: 2f6b2565d43cdb5 ("block: accumulate memory segment gaps per bio")
> Reported-by: Matthew Wilcox<willy@infradead.org>
> Signed-off-by: Keith Busch<kbusch@kernel.org>
> ---
Looks good.
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
-ck
next prev parent reply other threads:[~2025-11-11 16:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-11 14:06 [PATCH] block: fix merging data-less bios Keith Busch
2025-11-11 14:10 ` Christoph Hellwig
2025-11-11 14:18 ` Yu Kuai
2025-11-11 15:36 ` Jens Axboe
2025-11-11 15:45 ` Matthew Wilcox
2025-11-11 16:00 ` Chaitanya Kulkarni [this message]
2025-11-11 16:26 ` Venkat
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