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authorhannken <hannken@NetBSD.org>2022-07-08 07:44:17 +0000
committerhannken <hannken@NetBSD.org>2022-07-08 07:44:17 +0000
commit32be16051d4027cb3213a66845b915b643a37bf2 (patch)
treef8ef3c20ec960cc6f12d553123b93923e028e4f5 /sys/miscfs
parent14c84edbe540d17af00506097a65294dd1fac3cd (diff)
Make dead vfs ops "vfs_statvfs" and "vfs_vptofh" return EOPNOTSUPP.
Both operations may originate from (possible dead) vnodes. Reported-by: syzbot+eceb203d44457742be3b@syzkaller.appspotmail.com
Diffstat (limited to 'sys/miscfs')
-rw-r--r--sys/miscfs/deadfs/dead_vfsops.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/miscfs/deadfs/dead_vfsops.c b/sys/miscfs/deadfs/dead_vfsops.c
index 23085b008f2..d25003cc469 100644
--- a/sys/miscfs/deadfs/dead_vfsops.c
+++ b/sys/miscfs/deadfs/dead_vfsops.c
@@ -1,4 +1,4 @@
-/* $NetBSD: dead_vfsops.c,v 1.11 2022/03/19 13:53:32 hannken Exp $ */
+/* $NetBSD: dead_vfsops.c,v 1.12 2022/07/08 07:44:17 hannken Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dead_vfsops.c,v 1.11 2022/03/19 13:53:32 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dead_vfsops.c,v 1.12 2022/07/08 07:44:17 hannken Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -60,13 +60,13 @@ struct vfsops dead_vfsops = {
.vfs_unmount = (void *)dead_panic,
.vfs_root = (void *)dead_panic,
.vfs_quotactl = (void *)dead_panic,
- .vfs_statvfs = (void *)dead_panic,
+ .vfs_statvfs = (void *)eopnotsupp,
.vfs_sync = (void *)dead_panic,
.vfs_vget = (void *)dead_panic,
.vfs_loadvnode = (void *)dead_panic,
.vfs_newvnode = dead_newvnode,
.vfs_fhtovp = (void *)dead_panic,
- .vfs_vptofh = (void *)dead_panic,
+ .vfs_vptofh = (void *)eopnotsupp,
.vfs_init = (void *)dead_panic,
.vfs_reinit = (void *)dead_panic,
.vfs_done = (void *)dead_panic,