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

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Message-ID: <bf7461e5-ebf5-4e1d-b58f-c59d7d6bd8a2@suswa.mountain>
Date: Wed, 24 Jul 2024 18:13:37 -0500
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Simon Horman <horms@...nel.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 07:53:02PM +0100, Simon Horman wrote:
> 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.

Yeah.  I verified that it applied to net but forgot to update the
subject.  :/

regards,
dan carpenter

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