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authorDavid S. Miller <davem@davemloft.net>2022-08-24 12:51:50 +0100
committerDavid S. Miller <davem@davemloft.net>2022-08-24 12:51:50 +0100
commit76de008340ecf55fe4cfb54137b8a56d87a98f9f (patch)
tree67bd35b1afb6af6a6c6446f1168b2731d9e85444 /net/key
parentf79959220fa5fbda939592bf91c7a9ea90419040 (diff)
parent17ecd4a4db4783392edd4944f5e8268205083f70 (diff)
downloadlinux-76de008340ecf55fe4cfb54137b8a56d87a98f9f.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:

====================
pull request (net): ipsec 2022-08-24

1) Fix a refcount leak in __xfrm_policy_check.
   From Xin Xiong.

2) Revert "xfrm: update SA curlft.use_time". This
   violates RFC 2367. From Antony Antony.

3) Fix a comment on XFRMA_LASTUSED.
   From Antony Antony.

4) x->lastused is not cloned in xfrm_do_migrate.
   Fix from Antony Antony.

5) Serialize the calls to xfrm_probe_algs.
   From Herbert Xu.

6) Fix a null pointer dereference of dst->dev on a metadata
   dst in xfrm_lookup_with_ifid. From Nikolay Aleksandrov.

Please pull or let me know if there are problems.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/key')
-rw-r--r--net/key/af_key.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/key/af_key.c b/net/key/af_key.c
index fda2dcc8a383..c85df5b958d2 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1697,9 +1697,12 @@ static int pfkey_register(struct sock *sk, struct sk_buff *skb, const struct sad
 		pfk->registered |= (1<<hdr->sadb_msg_satype);
 	}
 
+	mutex_lock(&pfkey_mutex);
 	xfrm_probe_algs();
 
 	supp_skb = compose_sadb_supported(hdr, GFP_KERNEL | __GFP_ZERO);
+	mutex_unlock(&pfkey_mutex);
+
 	if (!supp_skb) {
 		if (hdr->sadb_msg_satype != SADB_SATYPE_UNSPEC)
 			pfk->registered &= ~(1<<hdr->sadb_msg_satype);