From: sashiko-bot@kernel.org
To: "Dominique Martinet" <asmadeus@codewreck.org>
Cc: v9fs@lists.linux.dev
Subject: Re: [PATCH] 9p: reject RERROR/RLERROR with zero errcode
Date: Thu, 29 Oct 2026 06:05:12 +0000 [thread overview]
Message-ID: <sashiko-outbox-188790@kernel.org> (raw)
In-Reply-To: <20261029055801.3-1-asmadeus@codewreck.org>
> From: Hui Peng <benquike@gmail.com>
>
> In p9_check_errors() (net/9p/client.c), a malicious or buggy 9p server
> returning P9_RERROR or P9_RLERROR with ecode == 0 causes
> p9_check_errors() to return 0 (success) while leaving the unparsed
> response payload as if the expected reply message type succeeded.
>
> Map ecode == 0 on RERROR / RLERROR to -EPROTO.
>
> Link: https://lore.kernel.org/all/20260919221734.3708000-1-benquike@gmail.com/
> Signed-off-by: Hui Peng <benquike@gmail.com>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261029055801.3-1-asmadeus@codewreck.org?part=1
prev parent reply other threads:[~2026-10-29 6:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-29 5:58 [PATCH] 9p: reject RERROR/RLERROR with zero errcode Dominique Martinet
2026-10-29 6:05 ` sashiko-bot [this message]
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