linux-kernel - Re: Testing for netrom: fix memory leak in nr_add

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Message-ID: <7aa6b5cb-a062-47f2-bada-2e796d3f8654@free.fr>
Date: Tue, 20 Jan 2026 22:02:49 +0100
From: F6BVP <f6bvp@...e.fr>
To: Prithvi <activprithvi@...il.com>, dranch@...nnet.net
Cc: davem@...emloft.net, edumazet@...gle.com, horms@...nel.org,
 kuba@...nel.org, linux-hams@...r.kernel.org, linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org, pabeni@...hat.com,
 syzbot+3f2d46b6e62b8dd546d3@...kaller.appspotmail.com,
 syzkaller-bugs@...glegroups.com
Subject: Re: Testing for netrom: fix memory leak in nr_add_node



Le 20/01/2026 à 17:00, Prithvi a écrit :
> Hello Bernard and David,
> 
> Thank you very much for your feedback. I sincerely apologize for the
> instability caused due to this patch. I take this instability very
> seriously.
> 
> Unfortunately I am on a low-end backup system right now which does not have
> resources to build or boot custom kernels effectively, locally. That's why,
> it has been difficult for me to test the patch locally due to which I have
> been relying on syzbot for testing. I am grateful for your feedback by
> testing that patch on your setup.
> 
> I will work on investigating further why the kernel isn't stable with this
> patch and try to create a better fix for this bug.
> 
> Thanks a lot Bernard for testing this patch. In case you get any crash
> dump or similar information, it would be very helpful to understand the issue
> and fix it.
> 
> Thank you very much and best regards,
> Prithvi
> 
Hi Prithvi,

Your effort in improving netrom protocole AX25 is appreciated.
I reactivated netconsole between my two ROSE FPAC nodes machines in 
order to catch kernel panic triggered by adding your line of patch.

Regards,

Bernard, f6bvp

View attachment "netconsole.txt" of type "text/plain" (14435 bytes)