X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/c6bf4f310a33a9262d455ea4d3f0630b1255e3fe..ea3f04195ba4a5034c9c8e9b726d4f7ce96f1832:/osfmk/ipc/ipc_kmsg.c?ds=sidebyside

diff --git a/osfmk/ipc/ipc_kmsg.c b/osfmk/ipc/ipc_kmsg.c
index f1611fc82..3a40a39ff 100644
--- a/osfmk/ipc/ipc_kmsg.c
+++ b/osfmk/ipc/ipc_kmsg.c
@@ -4270,7 +4270,8 @@ ipc_kmsg_copyout_header(
 					assert(entry->ie_bits & MACH_PORT_TYPE_SEND_RECEIVE);
 				} else {
 					ip_lock(reply);
-					if (!ip_active(reply)) {
+					/* Is the reply port still active and allowed to be copied out? */
+					if (!ip_active(reply) || !ip_label_check(space, reply, reply_type)) {
 						/* clear the context value */
 						reply->ip_reply_context = 0;
 						ip_unlock(reply);