netdev - Re: [PATCH net-XXX] mISDN: Fix a use after free in hfcmulti

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Message-ID: <20240724185302.GI97837@kernel.org>
Date: Wed, 24 Jul 2024 19:53:02 +0100
From: Simon Horman <horms@...nel.org>
To: Dan Carpenter <dan.carpenter@...aro.org>
Cc: Karsten Keil <kkeil@...e.de>, Karsten Keil <isdn@...ux-pingi.de>,
	Jeff Johnson <quic_jjohnson@...cinc.com>,
	Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net-XXX] mISDN: Fix a use after free in hfcmulti_tx()

On Wed, Jul 24, 2024 at 11:08:18AM -0500, Dan Carpenter wrote:
> Don't dereference *sp after calling dev_kfree_skb(*sp).
> 
> Fixes: af69fb3a8ffa ("Add mISDN HFC multiport driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
> ---
>  drivers/isdn/hardware/mISDN/hfcmulti.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)

I guess that this is net material.

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