Module Name: src
Committed By: riastradh
Date: Sat Apr 29 06:23:37 UTC 2023
Modified Files:
src/sys/dev/dkwedge: dk.c
Log Message:
dk(4): Fix lock assertion in size increase: parent's, not wedge's.
Reported-by: syzbot+d4dc610473cacc518...@syzkaller.appspotmail.com
https://syzkaller.appspot.com/bug?id=e18ddae8283d6fab44cfb1ac7e3f8e791f8c0700
To generate a diff of this commit:
cvs rdiff -u -r1.150 -r1.151 src/sys/dev/dkwedge/dk.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/dkwedge/dk.c
diff -u src/sys/dev/dkwedge/dk.c:1.150 src/sys/dev/dkwedge/dk.c:1.151
--- src/sys/dev/dkwedge/dk.c:1.150 Sat Apr 22 13:11:50 2023
+++ src/sys/dev/dkwedge/dk.c Sat Apr 29 06:23:37 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: dk.c,v 1.150 2023/04/22 13:11:50 riastradh Exp $ */
+/* $NetBSD: dk.c,v 1.151 2023/04/29 06:23:37 riastradh Exp $ */
/*-
* Copyright (c) 2004, 2005, 2006, 2007 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.150 2023/04/22 13:11:50 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.151 2023/04/29 06:23:37 riastradh Exp $");
#ifdef _KERNEL_OPT
#include "opt_dkwedge.h"
@@ -333,7 +333,7 @@ static void
dkwedge_size_increase(struct dkwedge_softc *sc, uint64_t size)
{
- KASSERT(mutex_owned(&sc->sc_dk.dk_openlock));
+ KASSERT(mutex_owned(&sc->sc_parent->dk_openlock));
rw_enter(&sc->sc_sizelock, RW_WRITER);
KASSERTMSG(size >= sc->sc_size,
