6.9-stable review patch. If anyone has any objections, please let me know.
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From: Hangbin Liu liuhangbin@gmail.com
[ 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@gmail.com Reviewed-by: Sabrina Dubroca sd@queasysnail.net Reviewed-by: David Ahern dsahern@kernel.org Link: https://lore.kernel.org/r/20240509131812.1662197-3-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 5423f1f2aa626..c4ef96c8fdaca 100644 --- a/net/ipv6/seg6.c +++ b/net/ipv6/seg6.c @@ -567,6 +567,6 @@ 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); }