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bonding: fix null pointer deref in bond_ipsec_offload_ok

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[ Upstream commit 95c90e4ad89d493a7a14fa200082e466e2548f9d ]

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

Fixes: 18cb261afd ("bonding: support hardware encryption offload to slaves")
Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Nikolay Aleksandrov 2024-08-16 14:48:11 +03:00 committed by Greg Kroah-Hartman
parent e8c85f2ff3
commit 81216b9352
1 changed files with 2 additions and 0 deletions
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drivers/net/bonding/bond_main.c
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@ -562,6 +562,8 @@ 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)