linux-kernel - [PATCH 4/4] keys: Timestamp new keys

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Date:   Thu, 14 Feb 2019 16:20:37 +0000
From:   David Howells <dhowells@...hat.com>
To:     jmorris@...ei.org
Cc:     linux-security-module@...r.kernel.org, keyrings@...r.kernel.org,
        dhowells@...hat.com, ebiggers@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] keys: Timestamp new keys

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>
---

 security/keys/key.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/security/keys/key.c b/security/keys/key.c
index 0ec9322af4f9..696f1c092c50 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;