linux-kernel - Re: [EXTERNAL] [PATCH net-next] net: add missing check for TCP fraglist GRO

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Date: Tue, 7 May 2024 13:43:11 +0200
From: Felix Fietkau <nbd@....name>
To: Suman Ghosh <sumang@...vell.com>,
 "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
 Eric Dumazet <edumazet@...gle.com>, "David S. Miller" <davem@...emloft.net>,
 David Ahern <dsahern@...nel.org>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Willem de Bruijn <willemb@...gle.com>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [EXTERNAL] [PATCH net-next] net: add missing check for TCP
 fraglist GRO

On 07.05.24 13:33, Suman Ghosh wrote:
>>----------------------------------------------------------------------
>>It turns out that the existing checks do not guarantee that the skb can be
>>pulled up to the GRO offset. When using the usb r8152 network driver with
>>GRO fraglist, the BUG() in __skb_pull is often triggered.
>>Fix the crash by adding the missing check.
>>
>>Fixes: 8d95dc474f85 ("net: add code for TCP fraglist GRO")
> [Suman] Since this is a fix, this should be pushed to "net".

No, it is fixing a commit that was just pulled into -next.

- Felix