netdev - Re: [PATCH net] pppoe: check sockaddr length in pppoe

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Message-Id: <20180423.211255.274760541176911964.davem@davemloft.net>
Date:   Mon, 23 Apr 2018 21:12:55 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     g.nault@...halink.fr
Cc:     netdev@...r.kernel.org, mostrows@...thlink.net
Subject: Re: [PATCH net] pppoe: check sockaddr length in pppoe_connect()

From: Guillaume Nault <g.nault@...halink.fr>
Date: Mon, 23 Apr 2018 16:38:27 +0200

> We must validate sockaddr_len, otherwise userspace can pass fewer data
> than we expect and we end up accessing invalid data.
> 
> Fixes: 224cf5ad14c0 ("ppp: Move the PPP drivers")
> Reported-by: syzbot+4f03bdf92fdf9ef5ddab@...kaller.appspotmail.com
> Signed-off-by: Guillaume Nault <g.nault@...halink.fr>

Applied and queued up for -stable, thank you.