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authorFelix Fietkau <nbd@nbd.name>2024-04-27 20:24:18 +0200
committerDavid S. Miller <davem@davemloft.net>2024-05-01 11:44:10 +0100
commit59c878cbcdd80ed39315573b3511d0acfd3501b5 (patch)
tree5e0cc5776e95e0c9fb4191f405968e00b5010f22
parentfb7a0d334894206ae35f023a82cad5a290fd7386 (diff)
downloadnet-59c878cbcdd80ed39315573b3511d0acfd3501b5.tar.gz
net: bridge: fix multicast-to-unicast with fraglist GSO
Calling skb_copy on a SKB_GSO_FRAGLIST skb is not valid, since it returns an invalid linearized skb. This code only needs to change the ethernet header, so pskb_copy is the right function to call here. Fixes: 6db6f0eae605 ("bridge: multicast to unicast") Signed-off-by: Felix Fietkau <nbd@nbd.name> Acked-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/bridge/br_forward.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index 7431f89e897b95..d7c35f55bd69fb 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -266,7 +266,7 @@ static void maybe_deliver_addr(struct net_bridge_port *p, struct sk_buff *skb,
if (skb->dev == p->dev && ether_addr_equal(src, addr))
return;
- skb = skb_copy(skb, GFP_ATOMIC);
+ skb = pskb_copy(skb, GFP_ATOMIC);
if (!skb) {
DEV_STATS_INC(dev, tx_dropped);
return;