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Date: Thu, 17 Sep 2026 10:00:18 +0100
From: Greg KH <gregkh@linuxfoundation.org>
To: Xiang Mei <xmei5@asu.edu>
Cc: stable@vger.kernel.org, davem@davemloft.net, edumazet@google.com,
	kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org,
	bestswngs@gmail.com
Subject: Re: [STABLE REQUEST] net: appletalk: fix NULL pointer dereference in
 aarp_send_ddp()
Message-ID: <2026091706-hazard-granny-8e45@gregkh>
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On Wed, Sep 16, 2026 at 04:47:28PM -0700, Xiang Mei wrote:
> Hi stable team,
> 
> Could you please consider backporting upstream commit
> 
> 9e7f36ab5b7bf68463faa5f7b926fea8f35597bb
> ("net: appletalk: fix NULL pointer dereference in aarp_send_ddp()")
> 
> for 6.18.y, 6.12.y, 6.6.y, 6.1.y, 5.15.y, and 5.10.y.
> 
> It fixes a NULL pointer dereference when sending through a device
> without an AppleTalk interface configured.
> 
> The fix has been in mainline since May 18 but is still absent from the
> longterm branches.
> 
> The upstream commit applies cleanly to all of these branches.

Now queued up.  Note, this is deleted in newer kernels.

thanks,

greg k-h