[PATCH] key: plug request_key_auth memleak

Plug request_key_auth memleak.  This can be triggered by unprivileged
users, so is local DoS.

Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/security/keys/request_key_auth.c b/security/keys/request_key_auth.c
index 1ecd3d3..f80a501 100644 (file)
--- a/security/keys/request_key_auth.c
+++ b/security/keys/request_key_auth.c
@@ -96,6 +96,7 @@ static void request_key_auth_destroy(struct key *key)
        kenter("{%d}", key->serial);
 
        key_put(rka->target_key);
+       kfree(rka);
 
 } /* end request_key_auth_destroy() */