gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
  inode = 12 2341
  function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
gfs2: fsid=syz:syz.0: G:  s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
gfs2: fsid=syz:syz.0:  H: s:SH f:H e:0 p:14474 [syz-executor.1] iterate_dir+0x56e/0x6f0 fs/readdir.c:65
gfs2: fsid=syz:syz.0:  H: s:SH f:AH e:0 p:14499 [syz-executor.1] do_inode_permission fs/namei.c:458 [inline]
gfs2: fsid=syz:syz.0:  H: s:SH f:AH e:0 p:14499 [syz-executor.1] inode_permission.part.0+0x3d6/0x670 fs/namei.c:525
general protection fault, probably for non-canonical address 0xdffffc005bd1f2c4: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x00000002de8f9620-0x00000002de8f9627]
CPU: 1 PID: 14474 Comm: syz-executor.1 Not tainted 6.1.0-syzkaller-14594-g72a85e2b0a1e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1437 [inline]
RIP: 0010:dump_holder fs/gfs2/glock.c:2262 [inline]
RIP: 0010:gfs2_dump_glock+0xcf6/0x1bd0 fs/gfs2/glock.c:2376
Code: e8 bf 36 dd fd 31 ff 89 c3 89 c6 e8 04 75 f3 fd 84 db 58 0f 84 a4 08 00 00 e8 86 78 f3 fd 4d 8d 74 24 20 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 38 84 c0 74 08 3c 01 0f 8e c2 0a 00 00 41 0f b7 6c 24
RSP: 0018:ffffc90014bff830 EFLAGS: 00010212
RAX: 000000005bd1f2c4 RBX: 0000000000000001 RCX: ffffc9000be81000
RDX: 0000000000040000 RSI: ffffffff838dd9ba RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 1ffffffff18f37b9 R12: 00000002de8f9600
R13: ffffffff8a97b7c0 R14: 00000002de8f9620 R15: dffffc0000000000
FS:  00007f7ee7f76700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005587eddb0000 CR3: 00000000294dd000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 gfs2_consist_inode_i+0x104/0x150 fs/gfs2/util.c:465
 gfs2_dirent_scan+0x2f7/0x3a0 fs/gfs2/dir.c:602
 gfs2_dir_read+0x348/0x1390 fs/gfs2/dir.c:1599
 gfs2_readdir+0x12c/0x1c0 fs/gfs2/file.c:115
 iterate_dir+0x56e/0x6f0 fs/readdir.c:65
 __do_sys_getdents fs/readdir.c:286 [inline]
 __se_sys_getdents fs/readdir.c:271 [inline]
 __x64_sys_getdents+0x13e/0x2c0 fs/readdir.c:271
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7ee728c0a9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7ee7f76168 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f7ee73abf80 RCX: 00007f7ee728c0a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f7ee72e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcec38bd4f R14: 00007f7ee7f76300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1437 [inline]
RIP: 0010:dump_holder fs/gfs2/glock.c:2262 [inline]
RIP: 0010:gfs2_dump_glock+0xcf6/0x1bd0 fs/gfs2/glock.c:2376
Code: e8 bf 36 dd fd 31 ff 89 c3 89 c6 e8 04 75 f3 fd 84 db 58 0f 84 a4 08 00 00 e8 86 78 f3 fd 4d 8d 74 24 20 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 38 84 c0 74 08 3c 01 0f 8e c2 0a 00 00 41 0f b7 6c 24
RSP: 0018:ffffc90014bff830 EFLAGS: 00010212
RAX: 000000005bd1f2c4 RBX: 0000000000000001 RCX: ffffc9000be81000
RDX: 0000000000040000 RSI: ffffffff838dd9ba RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 1ffffffff18f37b9 R12: 00000002de8f9600
R13: ffffffff8a97b7c0 R14: 00000002de8f9620 R15: dffffc0000000000
FS:  00007f7ee7f76700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32f28000 CR3: 00000000294dd000 CR4: 0000000000350ee0
----------------
Code disassembly (best guess):
   0:	e8 bf 36 dd fd       	callq  0xfddd36c4
   5:	31 ff                	xor    %edi,%edi
   7:	89 c3                	mov    %eax,%ebx
   9:	89 c6                	mov    %eax,%esi
   b:	e8 04 75 f3 fd       	callq  0xfdf37514
  10:	84 db                	test   %bl,%bl
  12:	58                   	pop    %rax
  13:	0f 84 a4 08 00 00    	je     0x8bd
  19:	e8 86 78 f3 fd       	callq  0xfdf378a4
  1e:	4d 8d 74 24 20       	lea    0x20(%r12),%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	74 08                	je     0x3b
  33:	3c 01                	cmp    $0x1,%al
  35:	0f 8e c2 0a 00 00    	jle    0xafd
  3b:	41                   	rex.B
  3c:	0f                   	.byte 0xf
  3d:	b7 6c                	mov    $0x6c,%bh
  3f:	24                   	.byte 0x24