Commit 95c90e4a authored by Nikolay Aleksandrov's avatar Nikolay Aleksandrov Committed by Paolo Abeni
Browse files

bonding: fix null pointer deref in bond_ipsec_offload_ok 



We must check if there is an active slave before dereferencing the pointer.

Fixes: 18cb261a ("bonding: support hardware encryption offload to slaves")
Signed-off-by: default avatarNikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: default avatarHangbin Liu <liuhangbin@gmail.com>
Reviewed-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent fc59b9a5

drivers/net/bonding/bond_main.c

+2 −0
Original line number Diff line number Diff line
@@ -604,6 +604,8 @@ static bool bond_ipsec_offload_ok(struct sk_buff *skb, struct xfrm_state *xs) 
	bond = netdev_priv(bond_dev);

	rcu_read_lock();

	curr_active = rcu_dereference(bond->curr_active_slave);

	if (!curr_active)

		goto out;

	real_dev = curr_active->dev;



	if (BOND_MODE(bond) != BOND_MODE_ACTIVEBACKUP)