Subject: Re: [syzbot] WARNING in __nf_unregister_net_hook (4)

From: Florian Westphal <[email-masked]>
Date: Sat, 8 May 2021 16:46:57 +0200

Dmitry Vyukov <[email-masked]> wrote:
> > IMPORTANT: if you fix the issue, please add the following tag to the commit:
> > Reported-by: [email-masked]
> 
> Is this also fixed by "netfilter: arptables: use pernet ops struct
> during unregister"?
> The warning is the same, but the stack is different...

No, this is a different bug.

In both cases the caller attempts to unregister a hook that the core
can't find, but in this case the caller is nftables, not arptables.