From: no-reply@sashiko.virtuozzo.com
To: andrey.zhadchenko@virtuozzo.com,
Alexander Ivanov <alexander.ivanov@virtuozzo.com>
Cc: devel@openvz.org
Subject: Re: [Devel] [PATCH hci-8.1 1/3] drivers/vhost/blk: convert virtio_blk_outhdr fields to CPU byte order
Date: Wed, 21 Oct 2026 08:49:59 +0000 [thread overview]
Message-ID: <010701a15da72cdf-a98128c7-60ee-4945-89be-914173d3e123-000000@eu-central-1.amazonses.com> (raw)
In-Reply-To: <20261021084610.1476738-2-alexander.ivanov@virtuozzo.com>
> hdr->type and hdr->sector are __virtio32 and __virtio64 but were used
> without conversion. Since VIRTIO_F_VERSION_1 is offered, on a big-endian
> host with a little-endian guest the request header was misinterpreted.
>
> Convert both with vhost32_to_cpu()/vhost64_to_cpu() once, when the
> request is set up.
>
> https://virtuozzo.atlassian.net/browse/VSTOR-142755
> Fixes: 1629db092dd7 ("drivers/vhost: vhost-blk accelerator for virtio-blk guests")
> Feature: vhost-blk: in-kernel accelerator for virtio-blk guests
> Signed-off-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.vzint.dev/#/patchset/20261021084610.1476738-1-alexander.ivanov@virtuozzo.com?part=1
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next prev parent reply other threads:[~2026-10-21 8:51 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-21 8:46 [Devel] [PATCH hci-8.1 0/3] drivers/vhost/blk: fix virtio-blk request header and payload parsing Alexander Ivanov
2026-10-21 8:46 ` [Devel] [PATCH hci-8.1 1/3] drivers/vhost/blk: convert virtio_blk_outhdr fields to CPU byte order Alexander Ivanov
2026-10-21 8:49 ` no-reply [this message]
2026-10-21 8:46 ` [Devel] [PATCH hci-8.1 2/3] drivers/vhost/blk: take virtio_blk_outhdr only from the readable part Alexander Ivanov
2026-10-21 8:49 ` no-reply
2026-10-21 8:46 ` [Devel] [PATCH hci-8.1 3/3] drivers/vhost/blk: take req->len from one side of the descriptor chain Alexander Ivanov
2026-10-21 8:50 ` no-reply
2026-10-25 21:54 ` [Devel] [PATCH hci-8.1 0/3] drivers/vhost/blk: fix virtio-blk request header and payload parsing Andrey Zhadchenko
2026-10-29 11:26 ` Konstantin Khorenko
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