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Date: Thu, 16 Jul 2026 10:43:31 +0100
From: Simon Horman <horms@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: netdev@vger.kernel.org, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Griffin Kroah-Hartman <griffin@kroah.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Shaoxu Liu <shaoxul@foxmail.com>
Subject: Re: [PATCH net-next] rndis_host: add overflow check in
 rndis_rx_fixup()
Message-ID: <20260716094331.GD95246@horms.kernel.org>
References: <2026070900-denim-brook-52d4@gregkh>
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In-Reply-To: <2026070900-denim-brook-52d4@gregkh>

On Thu, Jul 09, 2026 at 02:24:01PM +0200, Greg Kroah-Hartman wrote:
> From: Griffin Kroah-Hartman <griffin@kroah.com>
> 
> Add an overflow check to ensure that data_offset + data_len + 8 does not
> wrap, which would enable an OOB read of the USB data buffer.
> 
> Assisted-by: gkh_clanker_1000
> Cc: Andrew Lunn <andrew+netdev@lunn.ch>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Eric Dumazet <edumazet@google.com>
> Cc: Jakub Kicinski <kuba@kernel.org>
> Cc: Paolo Abeni <pabeni@redhat.com>
> Cc: Shaoxu Liu <shaoxul@foxmail.com>
> Signed-off-by: Griffin Kroah-Hartman <griffin@kroah.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Reviewed-by: Simon Horman <horms@kernel.org>