On 11/01/2013 08:01 AM, Jason Wang wrote:
We don't validate iph->ihl which may lead a dead loop if we meet a IPIP
skb whose iph->ihl is zero. Fix this by failing immediately when iph->ihl
is evil (less than 5).

This issue were introduced by commit ec5efe7946280d1e84603389a1030ccec0a767ae
(rps: support IPIP encapsulation).

Cc: Eric Dumazet <eduma...@google.com>
Cc: Petr Matousek <pmato...@redhat.com>
Cc: Michael S. Tsirkin <m...@redhat.com>
Cc: Daniel Borkmann <dbork...@redhat.com>
Signed-off-by: Jason Wang <jasow...@redhat.com>

Sorry, a bit late as I was offline last 4 days, but fwiw:

Acked-by: Daniel Borkmann <dbork...@redhat.com>
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