diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2020-12-04 00:42:13 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-12-04 00:44:09 +0100 |
| commit | 55fd59b003f6e8fd88cf16590e79823d7ccf3026 (patch) | |
| tree | f23b2225f1a00b80632d612428708d5a57ad330b /drivers/net/geneve.c | |
| parent | Merge branch 'mptcp-reject-invalid-mp_join-requests-right-away' (diff) | |
| parent | Merge tag 'net-5.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/net... (diff) | |
| download | linux-55fd59b003f6e8fd88cf16590e79823d7ccf3026.tar.xz linux-55fd59b003f6e8fd88cf16590e79823d7ccf3026.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts:
drivers/net/ethernet/ibm/ibmvnic.c
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/geneve.c')
| -rw-r--r-- | drivers/net/geneve.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 5523f069b9a5..627c33333866 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -258,11 +258,21 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs, skb_dst_set(skb, &tun_dst->dst); /* Ignore packet loops (and multicast echo) */ - if (ether_addr_equal(eth_hdr(skb)->h_source, geneve->dev->dev_addr)) { - geneve->dev->stats.rx_errors++; - goto drop; - } + if (ether_addr_equal(eth_hdr(skb)->h_source, geneve->dev->dev_addr)) + goto rx_error; + switch (skb_protocol(skb, true)) { + case htons(ETH_P_IP): + if (pskb_may_pull(skb, sizeof(struct iphdr))) + goto rx_error; + break; + case htons(ETH_P_IPV6): + if (pskb_may_pull(skb, sizeof(struct ipv6hdr))) + goto rx_error; + break; + default: + goto rx_error; + } oiph = skb_network_header(skb); skb_reset_network_header(skb); @@ -299,6 +309,8 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs, dev_sw_netstats_rx_add(geneve->dev, len); return; +rx_error: + geneve->dev->stats.rx_errors++; drop: /* Consume bad packet */ kfree_skb(skb); |