From: David Howells Date: Mon, 20 May 2019 20:51:43 +0000 (+0100) Subject: keys: Grant Link permission to possessers of request_key auth keys X-Git-Tag: v5.3-rc1~189^2~2 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=f7f1394576563b7096fe858fb178bcaedfa0b245;p=linux.git 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 --- 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);