diff mbox series

[08/10] keys: Grant Link permission to possessers of request_key auth keys [ver #2]

Message ID 155923716995.949.7037346392947998625.stgit@warthog.procyon.org.uk (mailing list archive)
State New, archived
Headers show
Series keys: Miscellany [ver #2] | expand

Commit Message

David Howells May 30, 2019, 5:26 p.m. UTC 
Grant Link permission to the possessers of request_key authentication keys,
thereby allowing a daemon that is servicing upcalls to arrange things such
that only the necessary auth key is passed to the actual service program
and not all the daemon's pending auth keys.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <jamorris@linux.microsoft.com>
---

 security/keys/request_key_auth.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/security/keys/request_key_auth.c b/security/keys/request_key_auth.c
index 572c7a60473a..ec5226557023 100644
--- a/security/keys/request_key_auth.c
+++ b/security/keys/request_key_auth.c
@@ -204,7 +204,7 @@  struct key *request_key_auth_new(struct key *target, const char *op,
 
 	authkey = key_alloc(&key_type_request_key_auth, desc,
 			    cred->fsuid, cred->fsgid, cred,
-			    KEY_POS_VIEW | KEY_POS_READ | KEY_POS_SEARCH |
+			    KEY_POS_VIEW | KEY_POS_READ | KEY_POS_SEARCH | KEY_POS_LINK |
 			    KEY_USR_VIEW, KEY_ALLOC_NOT_IN_QUOTA, NULL);
 	if (IS_ERR(authkey)) {
 		ret = PTR_ERR(authkey);