From: Chaitanya Kulkarni <chaitanyak@nvidia.com>
To: Keith Busch <kbusch@meta.com>,
"axboe@kernel.dk" <axboe@kernel.dk>,
"dlemoal@kernel.org" <dlemoal@kernel.org>,
"johannes.thumshirn@wdc.com" <johannes.thumshirn@wdc.com>,
"bvanassche@acm.org" <bvanassche@acm.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>
Cc: Keith Busch <kbusch@kernel.org>
Subject: Re: [PATCH] null_blk: fix zone read length beyond write pointer
Date: Wed, 12 Nov 2025 17:38:54 +0000 [thread overview]
Message-ID: <c960d4eb-b660-4506-965a-c5170ca08246@nvidia.com> (raw)
In-Reply-To: <20251112164218.816774-1-kbusch@meta.com>
On 11/12/25 08:42, Keith Busch wrote:
> From: Keith Busch<kbusch@kernel.org>
>
> Fix up the divisor calculating the number of zone sectors being read and
> handle a read that straddles the zone write pointer. The length is
> rounded up a sector boundary, so be sure to truncate any excess bytes
> off to avoid copying past the data segment.
>
> Fixes: 3451cf34f51bb70 ("null_blk: allow byte aligned memory offsets")
> Signed-off-by: Keith Busch<kbusch@kernel.org>
Looks good.
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
-ck
next prev parent reply other threads:[~2025-11-12 17:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-12 16:42 [PATCH] null_blk: fix zone read length beyond write pointer Keith Busch
2025-11-12 17:00 ` Bart Van Assche
2025-11-12 17:03 ` Jens Axboe
2025-11-12 17:38 ` Chaitanya Kulkarni [this message]
2025-11-13 2:44 ` Damien Le Moal
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