[nf] netfilter: cthelper: fix leak in nfnl_cthelper_del()
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Message ID 1489754469-11208-1-git-send-email-pablo@netfilter.org
State Not Applicable
Delegated to: Pablo Neira
Headers show

Commit Message

Pablo Neira Ayuso March 17, 2017, 12:41 p.m. 
Release the helper object and the expect_policy.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/nfnetlink_cthelper.c | 2 ++
 1 file changed, 2 insertions(+)

Patch
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diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c
index 3166406d68d3..2defe730b1f4 100644
--- a/net/netfilter/nfnetlink_cthelper.c
+++ b/net/netfilter/nfnetlink_cthelper.c
@@ -609,6 +609,8 @@  static int nfnl_cthelper_del(struct net *net, struct sock *nfnl,
 
 			found = true;
 			nf_conntrack_helper_unregister(cur);
+			kfree(cur->expect_policy);
+			kfree(cur);
 		}
 	}
 	/* Make sure we return success if we flush and there is no helpers */