linux-kernel - [PATCH 4.19 199/639] keys: Timestamp new keys

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Message-Id: <20200124093111.970346674@linuxfoundation.org>
Date:   Fri, 24 Jan 2020 10:26:09 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, David Howells <dhowells@...hat.com>,
        James Morris <james.morris@...rosoft.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 199/639] keys: Timestamp new keys

From: David Howells <dhowells@...hat.com>

[ Upstream commit 7c1857bdbdf1e4c541e45eab477ee23ed4333ea4 ]

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@...hat.com>
Signed-off-by: James Morris <james.morris@...rosoft.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 security/keys/key.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/security/keys/key.c b/security/keys/key.c
index 249a6da4d2770..749a5cf27a192 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;
-- 
2.20.1