netdev - Re: [PATCH net v2] ipv4: reset rt_iif for recirculated mcast/bcast out pkts

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20190626.124041.1890858416743784155.davem@davemloft.net>
Date:   Wed, 26 Jun 2019 12:40:41 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     ssuryaextr@...il.com
Cc:     netdev@...r.kernel.org, dsahern@...il.com
Subject: Re: [PATCH net v2] ipv4: reset rt_iif for recirculated mcast/bcast
 out pkts

From: Stephen Suryaputra <ssuryaextr@...il.com>
Date: Wed, 26 Jun 2019 02:21:16 -0400

> Multicast or broadcast egress packets have rt_iif set to the oif. These
> packets might be recirculated back as input and lookup to the raw
> sockets may fail because they are bound to the incoming interface
> (skb_iif). If rt_iif is not zero, during the lookup, inet_iif() function
> returns rt_iif instead of skb_iif. Hence, the lookup fails.
> 
> v2: Make it non vrf specific (David Ahern). Reword the changelog to
>     reflect it.
> Signed-off-by: Stephen Suryaputra <ssuryaextr@...il.com>

Applied and queued up for -stable, thanks.