From: claudio <claudio@openbsd.org>
Date: Mon, 30 Aug 2021 09:05:44 +0000 (+0000)
Subject: Make sure unveil remains locked over fork even in the case where the
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=9b6786052b88c6addb5fa2ce8b326f05d4d18d1c;p=openbsd

Make sure unveil remains locked over fork even in the case where the
parent just called unveil(NULL, NULL) and nothing else.
With and OK beck@
---

diff --git a/sys/kern/kern_unveil.c b/sys/kern/kern_unveil.c
index 51610c4e436..58afa40022c 100644
--- a/sys/kern/kern_unveil.c
+++ b/sys/kern/kern_unveil.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kern_unveil.c,v 1.48 2021/07/16 07:59:38 claudio Exp $	*/
+/*	$OpenBSD: kern_unveil.c,v 1.49 2021/08/30 09:05:44 claudio Exp $	*/
 
 /*
  * Copyright (c) 2017-2019 Bob Beck <beck@openbsd.org>
@@ -205,6 +205,7 @@ unveil_copy(struct process *parent, struct process *child)
 {
 	size_t i;
 
+	child->ps_uvdone = parent->ps_uvdone;
 	if (parent->ps_uvvcount == 0)
 		return;
 
@@ -236,7 +237,6 @@ unveil_copy(struct process *parent, struct process *child)
 		to->uv_cover = from->uv_cover;
 	}
 	child->ps_uvvcount = parent->ps_uvvcount;
-	child->ps_uvdone = parent->ps_uvdone;
 }
 
 /*