From: Guillaume Nault
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 acces
On Fri, Sep 14, 2018 at 4:35 PM Guillaume Nault wrote:
>
> On Fri, Sep 14, 2018 at 04:28:05PM +0200, Guillaume Nault wrote:
> > 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 conta
On Fri, Sep 14, 2018 at 04:28:05PM +0200, Guillaume Nault wrote:
> 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 ac
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.
=