netdev - [PATCH 1/2] netfilter: flowtable: Free block

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200421103759.959074-2-pablo@netfilter.org>
Date:   Tue, 21 Apr 2020 12:37:58 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 1/2] netfilter: flowtable: Free block_cb when being deleted

From: Roi Dayan <roid@...lanox.com>

Free block_cb memory when asked to be deleted.

Fixes: 978703f42549 ("netfilter: flowtable: Add API for registering to flow table events")
Signed-off-by: Roi Dayan <roid@...lanox.com>
Reviewed-by: Paul Blakey <paulb@...lanox.com>
Reviewed-by: Oz Shlomo <ozsh@...lanox.com>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 net/netfilter/nf_flow_table_core.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c
index c0cb79495c35..4344e572b7f9 100644
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -421,10 +421,12 @@ void nf_flow_table_offload_del_cb(struct nf_flowtable *flow_table,
 
 	down_write(&flow_table->flow_block_lock);
 	block_cb = flow_block_cb_lookup(block, cb, cb_priv);
-	if (block_cb)
+	if (block_cb) {
 		list_del(&block_cb->list);
-	else
+		flow_block_cb_free(block_cb);
+	} else {
 		WARN_ON(true);
+	}
 	up_write(&flow_table->flow_block_lock);
 }
 EXPORT_SYMBOL_GPL(nf_flow_table_offload_del_cb);
-- 
2.11.0