From: "Cen Zhang (Microsoft)" <blbllhy@gmail.com>
To: sashiko-bot@kernel.org
Cc: blbllhy@gmail.com, linux-can@vger.kernel.org, mailhol@kernel.org,
mkl@pengutronix.de, o.rempel@pengutronix.de,
sashiko-reviews@lists.linux.dev, socketcan@hartkopp.net
Subject: Re: [PATCH net v3] can: kvaser_usb: validate command format before parsing in hydra receive path
Date: Wed, 26 Aug 2026 00:32:13 -0400 [thread overview]
Message-ID: <20260826043213.49431-1-blbllhy@gmail.com> (raw)
In-Reply-To: <20260826014955.B9ECE1F000E9@smtp.kernel.org>
On Wed, Aug 26, 2026 at 01:49:55AM +0000, sashiko-bot@kernel.org wrote:
> This is a pre-existing issue, but does kvaser_usb_hydra_cmd_size_rx()
> need to enforce a minimum payload length for the extracted cmd_len based
> on the command type?
>
> Can this cause a slab-out-of-bounds read past the end of the USB URB
> buffer?
This pre-existing command-specific structural validation issue was
discussed in the v2 review [1] and should be handled independently of this
patch.
No other issues were reported for v3.
Thanks,
Cen
[1] https://lore.kernel.org/all/20260825025011.13898-1-blbllhy@gmail.com/
prev parent reply other threads:[~2026-08-26 4:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-26 1:30 [PATCH net v3] can: kvaser_usb: validate command format before parsing in hydra receive path Cen Zhang (Microsoft)
2026-08-26 1:49 ` sashiko-bot
2026-08-26 4:32 ` Cen Zhang (Microsoft) [this message]
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