diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/081-wireguard-device-do-not-generate-ICMP-for-non-IP-pac.patch')
-rw-r--r-- | target/linux/generic/backport-5.10/081-wireguard-device-do-not-generate-ICMP-for-non-IP-pac.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/target/linux/generic/backport-5.10/081-wireguard-device-do-not-generate-ICMP-for-non-IP-pac.patch b/target/linux/generic/backport-5.10/081-wireguard-device-do-not-generate-ICMP-for-non-IP-pac.patch deleted file mode 100644 index 9b1fee7290..0000000000 --- a/target/linux/generic/backport-5.10/081-wireguard-device-do-not-generate-ICMP-for-non-IP-pac.patch +++ /dev/null @@ -1,47 +0,0 @@ -From 49da2a610d63cef849f0095e601821ad6edfbef7 Mon Sep 17 00:00:00 2001 -From: "Jason A. Donenfeld" <Jason@zx2c4.com> -Date: Mon, 22 Feb 2021 17:25:47 +0100 -Subject: [PATCH] wireguard: device: do not generate ICMP for non-IP packets - -commit 99fff5264e7ab06f45b0ad60243475be0a8d0559 upstream. - -If skb->protocol doesn't match the actual skb->data header, it's -probably not a good idea to pass it off to icmp{,v6}_ndo_send, which is -expecting to reply to a valid IP packet. So this commit has that early -mismatch case jump to a later error label. - -Fixes: e7096c131e51 ("net: WireGuard secure network tunnel") -Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> -Signed-off-by: Jakub Kicinski <kuba@kernel.org> -Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> ---- - drivers/net/wireguard/device.c | 7 ++++--- - 1 file changed, 4 insertions(+), 3 deletions(-) - ---- a/drivers/net/wireguard/device.c -+++ b/drivers/net/wireguard/device.c -@@ -138,7 +138,7 @@ static netdev_tx_t wg_xmit(struct sk_buf - else if (skb->protocol == htons(ETH_P_IPV6)) - net_dbg_ratelimited("%s: No peer has allowed IPs matching %pI6\n", - dev->name, &ipv6_hdr(skb)->daddr); -- goto err; -+ goto err_icmp; - } - - family = READ_ONCE(peer->endpoint.addr.sa_family); -@@ -201,12 +201,13 @@ static netdev_tx_t wg_xmit(struct sk_buf - - err_peer: - wg_peer_put(peer); --err: -- ++dev->stats.tx_errors; -+err_icmp: - if (skb->protocol == htons(ETH_P_IP)) - icmp_ndo_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, 0); - else if (skb->protocol == htons(ETH_P_IPV6)) - icmpv6_ndo_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_ADDR_UNREACH, 0); -+err: -+ ++dev->stats.tx_errors; - kfree_skb(skb); - return ret; - } |