netdev - [PATCH 10/21] xfrm6_tunnel: 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 for Android: free password hash cracker in your pocket

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

Message-ID: <e5a1add3-f484-3bd0-1bac-7718c86ddc24@virtuozzo.com>
Date:   Sun, 5 Nov 2017 13:00:53 +0300
From:   Vasily Averin <vvs@...tuozzo.com>
To:     netdev@...r.kernel.org
Cc:     Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Steffen Klassert <steffen.klassert@...unet.com>
Subject: [PATCH 10/21] xfrm6_tunnel: exit_net cleanup check added

Be sure that spi_byaddr and spi_byspi arrays initialized in net_init hook
were return to initial state

Signed-off-by: Vasily Averin <vvs@...tuozzo.com>
---
 net/ipv6/xfrm6_tunnel.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 4e438bc..3825e03 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -338,6 +338,18 @@ static int __net_init xfrm6_tunnel_net_init(struct net *net)
 
 static void __net_exit xfrm6_tunnel_net_exit(struct net *net)
 {
+	struct xfrm6_tunnel_net *xfrm6_tn = xfrm6_tunnel_pernet(net);
+	unsigned int i;
+
+	for (i = 0; i < XFRM6_TUNNEL_SPI_BYADDR_HSIZE; i++)
+		if (WARN(!hlist_empty(&xfrm6_tn->spi_byaddr[i]),
+			 "net %p exit: xfrm6 spi_byaddr is not empty\n", net))
+			break;
+
+	for (i = 0; i < XFRM6_TUNNEL_SPI_BYSPI_HSIZE; i++)
+		if (WARN(!hlist_empty(&xfrm6_tn->spi_byspi[i]),
+			 "net %p exit: xfrm6 spi_byspi is not empty\n", net))
+			break;
 }
 
 static struct pernet_operations xfrm6_tunnel_net_ops = {
-- 
2.7.4