From 0013e500f959c00d7100c413be68b9739a919c9f Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Wed, 6 Mar 2019 15:16:08 +0800
Subject: [PATCH] keys: Timestamp new keys

mainline inclusion
from mainline-5.0-rc8
commit 7c1857bdbdf1e4c541e45eab477ee23ed4333ea4
category: bugfix
bugzilla: 10783
CVE: NA

---------------------------

Set the timestamp on new keys rather than leaving it unset.

Fixes: 31d5a79d7f3d ("KEYS: Do LRU discard in full keyrings")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <james.morris@microsoft.com>

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: ZhangXiaoxu <zhangxiaoxu5@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 security/keys/key.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/security/keys/key.c b/security/keys/key.c
index 249a6da4d277..749a5cf27a19 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -297,6 +297,7 @@ struct key *key_alloc(struct key_type *type, const char *desc,
 	key->gid = gid;
 	key->perm = perm;
 	key->restrict_link = restrict_link;
+	key->last_used_at = ktime_get_real_seconds();
 
 	if (!(flags & KEY_ALLOC_NOT_IN_QUOTA))
 		key->flags |= 1 << KEY_FLAG_IN_QUOTA;
-- 
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