From 803d7f4ccdca197a1b2fcb2c8ecc2e4bf18f15d0 Mon Sep 17 00:00:00 2001
From: Jamie Gritton <jamie@FreeBSD.org>
Date: Thu, 24 Feb 2022 09:30:49 -0800
Subject: [PATCH] posixshm: Allow jails to use kern.ipc.posix_shm_list

PR:		257554
Reported by:	grembo@

(cherry picked from commit d7c4ea7d728e7480477eaedf79fac84e7d1aefde)
---
 sys/kern/uipc_shm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/kern/uipc_shm.c b/sys/kern/uipc_shm.c
index 2c9cf92fe5a..d1038766fb1 100644
--- a/sys/kern/uipc_shm.c
+++ b/sys/kern/uipc_shm.c
@@ -1948,7 +1948,7 @@ sysctl_posix_shm_list(SYSCTL_HANDLER_ARGS)
 }
 
 SYSCTL_PROC(_kern_ipc, OID_AUTO, posix_shm_list,
-    CTLFLAG_RD | CTLFLAG_MPSAFE | CTLTYPE_OPAQUE,
+    CTLFLAG_RD | CTLFLAG_PRISON | CTLFLAG_MPSAFE | CTLTYPE_OPAQUE,
     NULL, 0, sysctl_posix_shm_list, "",
     "POSIX SHM list");