Subject: Re: [lvc-project] [PATCH] netfilter: ebtables: remove unnecessary NULL check

From: Florian Westphal <[email-masked]>
Date: Tue, 20 Jun 2023 18:38:06 +0200

Igor Artemiev <[email-masked]> wrote:
> In ebt_do_table() 'private->chainstack' cannot be NULL
> and the 'cs' pointer is dereferenced below, so it does not make
> sense to compare 'private->chainstack' with NULL. 

?  Why do you think that?

> +	cs = private->chainstack[smp_processor_id()];

Looks like NULL deref to me.  Did you test this?