4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Hangbin Liu <liuhangbin@xxxxxxxxx>
[ Upstream commit 6e370a771d2985107e82d0f6174381c1acb49c20 ]
Commit 5559cea2d5aa ("ipv6: sr: fix possible use-after-free and
null-ptr-deref") changed the register order in seg6_init(). But the
unregister order in seg6_exit() is not updated.
Fixes: 5559cea2d5aa ("ipv6: sr: fix possible use-after-free and null-ptr-deref")
Signed-off-by: Hangbin Liu <liuhangbin@xxxxxxxxx>
Reviewed-by: Sabrina Dubroca <sd@xxxxxxxxxxxxxxx>
Reviewed-by: David Ahern <dsahern@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20240509131812.1662197-3-liuhangbin@xxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/ipv6/seg6.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv6/seg6.c b/net/ipv6/seg6.c
index 42ff4f421d42a..9810ce81dee81 100644
--- a/net/ipv6/seg6.c
+++ b/net/ipv6/seg6.c
@@ -500,6 +500,6 @@ void seg6_exit(void)
seg6_local_exit();
seg6_iptunnel_exit();
#endif
- unregister_pernet_subsys(&ip6_segments_ops);
genl_unregister_family(&seg6_genl_family);
+ unregister_pernet_subsys(&ip6_segments_ops);
}
--
2.43.0
