From: Florian Westphal <fw@strlen.de>
To: Julien Moutinho <julm+netfilter@sourcephile.fr>
Cc: netfilter@vger.kernel.org,
Dominique Martinet <asmadeus@codewreck.org>,
netfilter-devel <netfilter-devel@vger.kernel.org>
Subject: Re: Raw payload matching beyond 2040 bits
Date: Fri, 19 Aug 2022 12:37:23 +0200 [thread overview]
Message-ID: <20220819103723.GA14293@breakpoint.cc> (raw)
In-Reply-To: <20220819100738.63yvp7iggoilt2uc@sourcephile.fr>
Julien Moutinho <julm+netfilter@sourcephile.fr> wrote:
[ moving to nf-devel ]
> Hi netfilter@,
>
> Apparently matching beyond 2040 bits (255 bytes) starts again at 0 or something like that.
> Not sure whether this is intended or not,
> but in this case a warning would be appreciated.
This is a kernel bug, the offset is truncated to u8 (modulo 256).
next prev parent reply other threads:[~2022-08-19 10:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-19 10:07 Raw payload matching beyond 2040 bits Julien Moutinho
2022-08-19 10:37 ` Florian Westphal [this message]
2022-09-07 14:55 ` Pablo Neira Ayuso
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