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Merge branch 'sk_filter-trim-limit'
Willem de Bruijn says:
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limit sk_filter trim to payload
Sockets can apply a filter to incoming packets to drop or trim them.
Fix two codepaths that call skb_pull/__skb_pull after sk_filter
without checking for packet length.
Reading beyond skb->tail after trimming happens in more codepaths, but
safety of reading in the linear segment is based on minimum allocation
size (MAX_HEADER, GRO_MAX_HEAD, ..).
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Signed-off-by: David S. Miller <davem@davemloft.net>