KEYS: DH: add __user annotations to keyctl_kdf_params

Signed-off-by: NEric Biggers <ebiggers@google.com>
Signed-off-by: NDavid Howells <dhowells@redhat.com>
Acked-by: NStephan Mueller <smueller@chronox.de>
Signed-off-by: NJames Morris <james.l.morris@oracle.com>

include/uapi/linux/keyctl.h

@@ -70,8 +70,8 @@ struct keyctl_dh_params {
 };
 
 struct keyctl_kdf_params {
-	char *hashname;
-	char *otherinfo;
+	char __user *hashname;
+	char __user *otherinfo;
 	__u32 otherinfolen;
 	__u32 __spare[8];
 };