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 12:42:38 +0300 |
commit | 01386957ca757e31fb66caceb303f71f9e577b83 (patch) | |
tree | 1da2bf4c09e9aaa176810f8f04dce5a9d9ce2d76 | |
parent | 0c27eb63bd9feaf34ec3049873c1b1889b569a85 (diff) | |
download | linux-01386957ca757e31fb66caceb303f71f9e577b83.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 c07a47d65c39..fc2ebd732098 100644 --- a/net/bridge/br_forward.c +++ b/net/bridge/br_forward.c @@ -259,7 +259,7 @@ 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; |