From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Jeremy Sowden <jeremy@azazel.net>
Cc: Netfilter Devel <netfilter-devel@vger.kernel.org>
Subject: Re: [PATCH nf] netfilter: ip6_tables: zero-initialize fragment offset
Date: Wed, 15 Sep 2021 17:01:03 +0200 [thread overview]
Message-ID: <20210915150103.GA19119@salvia> (raw)
In-Reply-To: <20210912212433.45389-1-jeremy@azazel.net>
On Sun, Sep 12, 2021 at 10:24:33PM +0100, Jeremy Sowden wrote:
> ip6tables only sets the `IP6T_F_PROTO` flag on a rule if a protocol is
> specified (`-p tcp`, for example). However, if the flag is not set,
> `ip6_packet_match` doesn't call `ipv6_find_hdr` for the skb, in which
> case the fragment offset is left uninitialized and a garbage value is
> passed to each matcher.
Applied, thanks.
prev parent reply other threads:[~2021-09-15 15:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-12 21:24 [PATCH nf] netfilter: ip6_tables: zero-initialize fragment offset Jeremy Sowden
2021-09-12 23:39 ` Florian Westphal
2021-09-13 9:28 ` Jeremy Sowden
2021-09-15 15:01 ` Pablo Neira Ayuso [this message]
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