linux-kernel - Re: staging: ks7010: potential buffer overflow in ks_wlan_set_encode

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Message-ID: <2023071056-amused-yam-5e29@gregkh>
Date:   Mon, 10 Jul 2023 07:47:04 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Zhang Shurong <zhang_shurong@...mail.com>
Cc:     Markus Elfring <Markus.Elfring@....de>,
        linux-staging@...ts.linux.dev, kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        Dan Carpenter <error27@...il.com>,
        Xu Panda <xu.panda@....com.cn>
Subject: Re: staging: ks7010: potential buffer overflow in
 ks_wlan_set_encode_ext()

On Mon, Jul 10, 2023 at 01:41:07PM +0800, Zhang Shurong wrote:
> Hi Markus,
> 
> > 2023年7月10日 03:56，Markus Elfring <Markus.Elfring@....de> 写道：
> > 
> >>>> The "exc->key_len" is a u16 that comes from the user.  If it's over
> >>>> IW_ENCODING_TOKEN_MAX (64) that could lead to memory corruption.
> >>> 
> >>> Please choose an imperative change suggestion.
> >> 
> >> Please stop reviewing staging patches, it is not helpful for anyone.
> > 
> > It seems that further contributors need to become more aware about
> > (and finally adhere to) requirements from the Linux development documentation.
> > 
> > Regards,
> > Markus
> 
> I'm guilty of my incorrect patch format. And do I need to write another
> patch to fix this format issue?

One of the hardest things in kernel development is learning what
reviews, and what reviewers, should be ignored.  This is one of them :)

No need to change the patch yet, let me get to this change this week and
I'll let you know.

thanks,

greg k-h