Subject: Re: [PATCH] net: qcom/emac: fix UAF in emac_remove

From: Pavel Skripkin <[email-masked]>
Date: Sat, 10 Jul 2021 09:57:17 +0300

On Sat, 10 Jul 2021 00:02:26 -0500
Timur Tabi <[email-masked]> wrote:

> On Fri, Jul 9, 2021 at 9:24 AM Pavel Skripkin <[email-masked]>
> wrote:
> >
> > adpt is netdev private data and it cannot be
> > used after free_netdev() call. Using adpt after free_netdev()
> > can cause UAF bug. Fix it by moving free_netdev() at the end of the
> > function.
> 
> Please spell out what "UAF" means, thanks.  If you fix that, then
> 
> Acked-by: Timur Tabi <[email-masked]>
> 
> Thanks.

Hi, Timur!

Thank you for feedback. 

David has already applied this pacth. So, should I send v2 or maybe
revert + v2? I haven't been in such situations yet :)

With regards,
Pavel Skripkin