[PATCH 6.5 075/241] bonding: Return pointer to data after pull on skb

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6.5-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jiri Wiesner <jwiesner@xxxxxxx>

commit d93f3f992780af4a21e6c1ab86946b7c5602f1b9 upstream.

Since 429e3d123d9a ("bonding: Fix extraction of ports from the packet
headers"), header offsets used to compute a hash in bond_xmit_hash() are
relative to skb->data and not skb->head. If the tail of the header buffer
of an skb really needs to be advanced and the operation is successful, the
pointer to the data must be returned (and not a pointer to the head of the
buffer).

Fixes: 429e3d123d9a ("bonding: Fix extraction of ports from the packet headers")
Signed-off-by: Jiri Wiesner <jwiesner@xxxxxxx>
Acked-by: Jay Vosburgh <jay.vosburgh@xxxxxxxxxxxxx>
Reviewed-by: Jiri Pirko <jiri@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/bonding/bond_main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -4022,7 +4022,7 @@ static inline const void *bond_pull_data
 	if (likely(n <= hlen))
 		return data;
 	else if (skb && likely(pskb_may_pull(skb, n)))
-		return skb->head;
+		return skb->data;
 
 	return NULL;
 }





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