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kernfs: Just fail with EOPNOTSUPP, don't panic, on VOP_BMAP.
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Reported-by: syzbot+870d2eb4b4c8904ac734@syzkaller.appspotmail.com
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riastradh authored and riastradh committed Mar 12, 2022
1 parent 3249d3d commit 0dbc06c
Showing 1 changed file with 3 additions and 3 deletions.
6 changes: 3 additions & 3 deletions sys/miscfs/kernfs/kernfs_vnops.c
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@@ -1,4 +1,4 @@
/* $NetBSD: kernfs_vnops.c,v 1.172 2021/07/19 01:33:53 dholland Exp $ */
/* $NetBSD: kernfs_vnops.c,v 1.173 2022/03/12 17:36:14 riastradh Exp $ */

/*
* Copyright (c) 1992, 1993
Expand Down Expand Up @@ -39,7 +39,7 @@
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kernfs_vnops.c,v 1.172 2021/07/19 01:33:53 dholland Exp $");
__KERNEL_RCSID(0, "$NetBSD: kernfs_vnops.c,v 1.173 2022/03/12 17:36:14 riastradh Exp $");

#include <sys/param.h>
#include <sys/systm.h>
Expand Down Expand Up @@ -195,7 +195,7 @@ const struct vnodeopv_entry_desc kernfs_vnodeop_entries[] = {
{ &vop_reclaim_desc, kernfs_reclaim }, /* reclaim */
{ &vop_lock_desc, genfs_lock }, /* lock */
{ &vop_unlock_desc, genfs_unlock }, /* unlock */
{ &vop_bmap_desc, genfs_badop }, /* bmap */
{ &vop_bmap_desc, genfs_eopnotsupp }, /* bmap */
{ &vop_strategy_desc, genfs_eopnotsupp }, /* strategy */
{ &vop_print_desc, kernfs_print }, /* print */
{ &vop_islocked_desc, genfs_islocked }, /* islocked */
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