diff options
| author | Felix Fietkau <nbd@nbd.name> | 2024-04-27 21:24:18 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-05-17 13:14:33 +0300 |
| commit | 7f113c1cd826ebc6b6cf73a01c55bf0d533d5612 (patch) | |
| tree | 922b49df2bf5a1c4768774abae92b55fdf28a799 | |
| parent | 2070d008cc08bff50a58f0f4d30f12d3ebf94c00 (diff) | |
| download | linux-7f113c1cd826ebc6b6cf73a01c55bf0d533d5612.tar.xz | |
net: bridge: fix multicast-to-unicast with fraglist GSO
[ 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@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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | net/bridge/br_forward.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c index 7431f89e897b..d7c35f55bd69 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; |