From d9e2caccfac14c43bf9ad62bdd35d4a03356ff91 Mon Sep 17 00:00:00 2001
From: Jamie Gritton <jamie@FreeBSD.org>
Date: Fri, 2 Oct 2026 15:18:00 -0700
Subject: [PATCH] jail: note existing process/prison lock order in witness.

---
 sys/kern/subr_witness.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sys/kern/subr_witness.c b/sys/kern/subr_witness.c
index 9825db85b673..adf93329cdbc 100644
--- a/sys/kern/subr_witness.c
+++ b/sys/kern/subr_witness.c
@@ -534,6 +534,13 @@ static struct witness_order_list_entry order_lists[] = {
 	 */
 	{ "umtx lock", &lock_class_mtx_sleep },
 	{ NULL, NULL },
+	/*
+	 * Jails
+	 */
+	{ "process lock", &lock_class_mtx_sleep },
+	{ "jail mutex", &lock_class_mtx_sleep },
+	{ "jaildesc", &lock_class_mtx_sleep },
+	{ NULL, NULL },
 	/*
 	 * Sockets
 	 */