From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net] net: validate attribute sizes in neigh_dump_table()
Date: Thu, 12 Apr 2018 21:50:16 -0400 (EDT)
Message-ID: <20180412.215016.1190154950435089625.davem@davemloft.net>
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From: Eric Dumazet <edumazet@google.com>
Date: Wed, 11 Apr 2018 14:46:00 -0700

> Since neigh_dump_table() calls nlmsg_parse() without giving policy
> constraints, attributes can have arbirary size that we must validate
> 
> Reported by syzbot/KMSAN :
 ...
> Fixes: 21fdd092acc7 ("net: Add support for filtering neigh dump by master device")
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Cc: David Ahern <dsa@cumulusnetworks.com>
> Reported-by: syzbot <syzkaller@googlegroups.com>

Applied and queued up for -stable.