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| author | Fabian Frederick <fabf@skynet.be> | 2020-09-25 15:16:02 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-25 16:58:07 -0700 |
| commit | 2ae2904b5bac4a554e0734cf494bb6d6fdfd4cd2 (patch) | |
| tree | 3032c7971c4f4166ee1c402051f1db5ea6f0277a /drivers/net/vxlan.c | |
| parent | 7470558240330f04dbf940430813233935314f78 (diff) | |
| download | linux-2ae2904b5bac4a554e0734cf494bb6d6fdfd4cd2.tar.gz linux-2ae2904b5bac4a554e0734cf494bb6d6fdfd4cd2.tar.bz2 linux-2ae2904b5bac4a554e0734cf494bb6d6fdfd4cd2.zip | |
vxlan: don't collect metadata if remote checksum is wrong
call vxlan_remcsum() before md filling in vxlan_rcv()
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vxlan.c')
| -rw-r--r-- | drivers/net/vxlan.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index b9fefe27e3e8..47c762f7f5b1 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1875,6 +1875,10 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb) !net_eq(vxlan->net, dev_net(vxlan->dev)))) goto drop; + if (vs->flags & VXLAN_F_REMCSUM_RX) + if (!vxlan_remcsum(&unparsed, skb, vs->flags)) + goto drop; + if (vxlan_collect_metadata(vs)) { struct metadata_dst *tun_dst; @@ -1891,9 +1895,6 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb) memset(md, 0, sizeof(*md)); } - if (vs->flags & VXLAN_F_REMCSUM_RX) - if (!vxlan_remcsum(&unparsed, skb, vs->flags)) - goto drop; if (vs->flags & VXLAN_F_GBP) vxlan_parse_gbp_hdr(&unparsed, skb, vs->flags, md); /* Note that GBP and GPE can never be active together. This is |