X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/593a1d5fd87cdf5b46dd5fcb84467b432cea0f91..c910b4d9d2451126ae3917b931cd4390c11e1d52:/bsd/kern/pthread_synch.c

diff --git a/bsd/kern/pthread_synch.c b/bsd/kern/pthread_synch.c
index 4ccfd04fc..be4e9c165 100644
--- a/bsd/kern/pthread_synch.c
+++ b/bsd/kern/pthread_synch.c
@@ -1556,6 +1556,9 @@ workq_ops(struct proc *p, struct workq_ops_args  *uap, __unused register_t *retv
 
 		        KERNEL_DEBUG(0xefffd008 | DBG_FUNC_NONE, (int)item, 0, 0, 0, 0);
 
+			if ((prio < 0) || (prio >= 5))
+				return (EINVAL);
+
 			workqueue_lock_spin(p);
 
 			if ((wq = (struct workqueue *)p->p_wqptr) == NULL) {
@@ -1568,6 +1571,9 @@ workq_ops(struct proc *p, struct workq_ops_args  *uap, __unused register_t *retv
 			break;
 		case WQOPS_QUEUE_REMOVE: {
 
+			if ((prio < 0) || (prio >= 5))
+				return (EINVAL);
+
 			workqueue_lock_spin(p);
 
 			if ((wq = (struct workqueue *)p->p_wqptr) == NULL) {