From: Vimal Agrawal avimalin@gmail.com
Removal of the sock_hold got lost when backporting commit 4d05239203fa ("netfilter: nf_queue: fix possible use-after-free") to 4.14
This was causing a socket leak and was caught by kmemleak. Tested by running kmemleak again with this fix.
Fixes: ef97921ccdc2 ("netfilter: nf_queue: fix possible use-after-free") in 4.14 Signed-off-by: Vimal Agrawal vimal.agrawal@sophos.com Reviewed-by: Florian Westphal fw@strlen.de --- net/netfilter/nf_queue.c | 2 -- 1 file changed, 2 deletions(-)
--- a/net/netfilter/nf_queue.c +++ b/net/netfilter/nf_queue.c @@ -91,8 +91,6 @@ bool nf_queue_entry_get_refs(struct nf_q dev_hold(state->in); if (state->out) dev_hold(state->out); - if (state->sk) - sock_hold(state->sk); #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) if (entry->skb->nf_bridge) { struct net_device *physdev;