udp: fix GRO reception in case of length mismatch
Currently, the UDP GRO code path does bad things on some edge conditions - Aggregation can happen even on packet with different lengths. Fix the above by rewriting the 'complete' condition for GRO packets. While at it, note explicitly that we allow merging the first packet per burst below gso_size. Reported-by: NSean Tong <seantong114@gmail.com> Fixes: e20cf8d3 ("udp: implement GRO for plain UDP sockets.") Signed-off-by: NPaolo Abeni <pabeni@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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