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[src/trunk]: src/sys/arch/x86/x86 Pacify assertion in a failure path.
details: https://anonhg.NetBSD.org/src/rev/f08952f13deb
branches: trunk
changeset: 1008309:f08952f13deb
user: ad <ad%NetBSD.org@localhost>
date: Wed Mar 18 18:54:28 2020 +0000
description:
Pacify assertion in a failure path.
Reported-by: syzbot+e666891e2bc5caee14d8%syzkaller.appspotmail.com@localhost
diffstat:
sys/arch/x86/x86/pmap.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diffs (26 lines):
diff -r aead4114dee6 -r f08952f13deb sys/arch/x86/x86/pmap.c
--- a/sys/arch/x86/x86/pmap.c Wed Mar 18 13:56:48 2020 +0000
+++ b/sys/arch/x86/x86/pmap.c Wed Mar 18 18:54:28 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.376 2020/03/17 22:38:14 ad Exp $ */
+/* $NetBSD: pmap.c,v 1.377 2020/03/18 18:54:28 ad Exp $ */
/*
* Copyright (c) 2008, 2010, 2016, 2017, 2019, 2020 The NetBSD Foundation, Inc.
@@ -130,7 +130,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.376 2020/03/17 22:38:14 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.377 2020/03/18 18:54:28 ad Exp $");
#include "opt_user_ldt.h"
#include "opt_lockdebug.h"
@@ -2450,6 +2450,7 @@
continue;
}
KASSERT(pt->pg[i]->wire_count == 0);
+ pt->pg[i]->wire_count = 1;
PMAP_CHECK_PP(VM_PAGE_TO_PP(pt->pg[i]));
pmap_freepage(pmap, pt->pg[i], i - 1);
}
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