diff options
Diffstat (limited to 'target/linux/generic/backport-5.4/610-v5.9-net-bridge-clear-bridge-s-private-skb-space-on-xmit.patch')
| -rw-r--r-- | target/linux/generic/backport-5.4/610-v5.9-net-bridge-clear-bridge-s-private-skb-space-on-xmit.patch | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/target/linux/generic/backport-5.4/610-v5.9-net-bridge-clear-bridge-s-private-skb-space-on-xmit.patch b/target/linux/generic/backport-5.4/610-v5.9-net-bridge-clear-bridge-s-private-skb-space-on-xmit.patch deleted file mode 100644 index f1862943f8..0000000000 --- a/target/linux/generic/backport-5.4/610-v5.9-net-bridge-clear-bridge-s-private-skb-space-on-xmit.patch +++ /dev/null @@ -1,28 +0,0 @@ -From: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> -Date: Fri, 31 Jul 2020 19:26:16 +0300 -Subject: [PATCH] net: bridge: clear bridge's private skb space on xmit - -We need to clear all of the bridge private skb variables as they can be -stale due to the packet being recirculated through the stack and then -transmitted through the bridge device. Similar memset is already done on -bridge's input. We've seen cases where proxyarp_replied was 1 on routed -multicast packets transmitted through the bridge to ports with neigh -suppress which were getting dropped. Same thing can in theory happen with -the port isolation bit as well. - -Fixes: 821f1b21cabb ("bridge: add new BR_NEIGH_SUPPRESS port flag to suppress arp and nd flood") -Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - ---- a/net/bridge/br_device.c -+++ b/net/bridge/br_device.c -@@ -36,6 +36,8 @@ netdev_tx_t br_dev_xmit(struct sk_buff * - struct ethhdr *eth; - u16 vid = 0; - -+ memset(skb->cb, 0, sizeof(struct br_input_skb_cb)); -+ - rcu_read_lock(); - nf_ops = rcu_dereference(nf_br_ops); - if (nf_ops && nf_ops->br_dev_xmit_hook(skb)) { |