diff mbox series

[5.16,1030/1039] bonding: Fix extraction of ports from the packet headers

Message ID 20220124184159.911513508@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Jan. 24, 2022, 6:46 p.m. UTC 
From: Moshe Tal <moshet@nvidia.com>

commit 429e3d123d9a50cc9882402e40e0ac912d88cfcf upstream.

Wrong hash sends single stream to multiple output interfaces.

The offset calculation was relative to skb->head, fix it to be relative
to skb->data.

Fixes: a815bde56b15 ("net, bonding: Refactor bond_xmit_hash for use with
xdp_buff")
Reviewed-by: Jussi Maki <joamaki@gmail.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Moshe Tal <moshet@nvidia.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/bonding/bond_main.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3872,8 +3872,8 @@  u32 bond_xmit_hash(struct bonding *bond,
 	    skb->l4_hash)
 		return skb->hash;
 
-	return __bond_xmit_hash(bond, skb, skb->head, skb->protocol,
-				skb->mac_header, skb->network_header,
+	return __bond_xmit_hash(bond, skb, skb->data, skb->protocol,
+				skb_mac_offset(skb), skb_network_offset(skb),
 				skb_headlen(skb));
 }