From: Guillaume Nault <g.na...@alphalink.fr>
Date: Fri, 14 Sep 2018 16:28:05 +0200
> pppoe_rcv() needs to look back at the Ethernet header in order to
> lookup the PPPoE session. Therefore we need to ensure that the mac
> header is big enough to contain an Ethernet header. Otherwise
> eth_hdr(skb)->h_source might access invalid data.
...
> Fixes: 224cf5ad14c0 ("ppp: Move the PPP drivers")
> Reported-by: syzbot+f5f6080811c849739...@syzkaller.appspotmail.com
> Signed-off-by: Guillaume Nault <g.na...@alphalink.fr>
Applied and queued up for -stable, thanks.
