From f7f1394576563b7096fe858fb178bcaedfa0b245 Mon Sep 17 00:00:00 2001 From: David Howells Date: Mon, 20 May 2019 21:51:43 +0100 Subject: keys: Grant Link permission to possessers of request_key auth keys 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 Reviewed-by: James Morris --- security/keys/request_key_auth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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); -- cgit v1.2.3-55-g7522