5.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Felix Fietkau <nbd@xxxxxxxx>
[ Upstream commit 59c878cbcdd80ed39315573b3511d0acfd3501b5 ]
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@xxxxxxxx>
Acked-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Acked-by: Nikolay Aleksandrov <razor@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/bridge/br_forward.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index 4f8eb83976f10..0a1ca20f719da 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -253,7 +253,7 @@ 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;
--
2.43.0
