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| author | Xin Long <lucien.xin@gmail.com> | 2017-10-01 22:00:54 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-01 22:30:32 -0700 |
| commit | 5513d08d29511c263c00933c00dd7a82fffda3c9 (patch) | |
| tree | 45892f8a4f18640551475f209b5d4aaad7c02966 /kernel/sys.c | |
| parent | 935a9749a36828af0e8be224a5cd4bc758112c34 (diff) | |
| download | linux-5513d08d29511c263c00933c00dd7a82fffda3c9.tar.gz linux-5513d08d29511c263c00933c00dd7a82fffda3c9.tar.bz2 linux-5513d08d29511c263c00933c00dd7a82fffda3c9.zip | |
ip_gre: check packet length and mtu correctly in erspan_xmit
As a ARPHRD_ETHER device, skb->len in erspan_xmit is the length
of the whole ether packet. So before checking if a packet size
exceeds the mtu, skb->len should subtract dev->hard_header_len.
Otherwise, all packets with max size according to mtu would be
trimmed to be truncated packet.
Fixes: 84e54fe0a5ea ("gre: introduce native tunnel support for ERSPAN")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/sys.c')
0 files changed, 0 insertions, 0 deletions