From: Florian Westphal <fw@strlen.de>
To: Igor Artemiev <Igor.A.Artemiev@mcst.ru>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>,
Jozsef Kadlecsik <kadlec@netfilter.org>,
Florian Westphal <fw@strlen.de>,
"David S . Miller" <davem@davemloft.net>,
Paolo Abeni <pabeni@redhat.com>, Jakub Kicinski <kuba@kernel.org>,
netfilter-devel@vger.kernel.org, coreteam@netfilter.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
lvc-project@linuxtesting.org
Subject: Re: [lvc-project] [PATCH] netfilter: ebtables: remove unnecessary NULL check
Date: Tue, 20 Jun 2023 18:38:06 +0200 [thread overview]
Message-ID: <20230620163806.GB3799@breakpoint.cc> (raw)
In-Reply-To: <20230620152549.2109063-1-Igor.A.Artemiev@mcst.ru>
Igor Artemiev <Igor.A.Artemiev@mcst.ru> 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?
next prev parent reply other threads:[~2023-06-20 16:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-20 15:25 [lvc-project] [PATCH] netfilter: ebtables: remove unnecessary NULL check Igor Artemiev
2023-06-20 16:38 ` Florian Westphal [this message]
2023-06-21 10:49 ` Igor A. Artemiev
2023-06-21 10:46 ` Florian Westphal
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