DIOCHANGERRULE ioctl must set pointer to ruleset in rule it inserts.

Reported-by: syzbot+7718c5f69c595f76b298@syzkaller.appspotmail.com
OK bluhm@, OK jmatthew@

diff --git a/sys/net/pf_ioctl.c b/sys/net/pf_ioctl.c
index 9293253..a7e6641 100644 (file)
--- a/sys/net/pf_ioctl.c
+++ b/sys/net/pf_ioctl.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: pf_ioctl.c,v 1.368 2021/12/26 01:00:32 sashan Exp $ */
+/*     $OpenBSD: pf_ioctl.c,v 1.369 2021/12/26 14:04:29 sashan Exp $ */
 
 /*
  * Copyright (c) 2001 Daniel Hartmeier
@@ -1646,6 +1646,7 @@ pfioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct proc *p)
                                    ruleset->rules.active.ptr,
                                    oldrule, newrule, entries);
                        ruleset->rules.active.rcount++;
+                       newrule->ruleset = ruleset;
                }
 
                nr = 0;