netdev - [PATCH 17/21] hashlimit: exit

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:   Sun, 5 Nov 2017 13:02:09 +0300
From:   Vasily Averin <vvs@...tuozzo.com>
To:     netdev@...r.kernel.org
Cc:     coreteam@...filter.org, netfilter-devel@...r.kernel.org,
        Florian Westphal <fw@...len.de>,
        Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
        Pablo Neira Ayuso <pablo@...filter.org>
Subject: [PATCH 17/21] hashlimit: exit_net cleanup check added

Be sure that htables array initialized in net_init hook was return
to initial state.

Signed-off-by: Vasily Averin <vvs@...tuozzo.com>
---
 net/netfilter/xt_hashlimit.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index 5da8746..78485d1 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -1338,7 +1338,11 @@ static int __net_init hashlimit_net_init(struct net *net)
 
 static void __net_exit hashlimit_net_exit(struct net *net)
 {
+	struct hashlimit_net *hashlimit_net = hashlimit_pernet(net);
+
 	hashlimit_proc_net_exit(net);
+	WARN(!hlist_empty(&hashlimit_net->htables),
+	     "net %p exit: hashlimit htables hlist is not empty\n", net);
 }
 
 static struct pernet_operations hashlimit_net_ops = {
-- 
2.7.4