loop0: detected capacity change from 0 to 32768
gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent points beyond end of block (not first in block)
gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 4 4153, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 589
gfs2: fsid=syz:syz.0: G:  s:SH n:2/1039 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
gfs2: fsid=syz:syz.0:  H: s:SH f:H e:0 p:5326 [syz.0.0] gfs2_lookup_meta+0xa7/0x170 fs/gfs2/inode.c:280
gfs2: fsid=syz:syz.0:  I: n:4/4153 t:4 f:0x00 d:0x00000201 s:1816 p:0
gfs2: fsid=syz:syz.0: about to withdraw this file system
------------[ cut here ]------------
kernel BUG at fs/gfs2/util.c:340!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted 6.16.0-rc1-syzkaller-00182-g18531f4d1c8c #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:gfs2_withdraw+0x1463/0x14f0 fs/gfs2/util.c:340
Code: ff ff 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 31 f9 ff ff 48 8b 7c 24 10 e8 d8 c4 2a fe e9 22 f9 ff ff e8 8e 4d c7 fd 90 <0f> 0b 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 83 f9 ff ff 48
RSP: 0018:ffffc9000d45f320 EFLAGS: 00010283
RAX: ffffffff83f90eb2 RBX: ffffc9000d45f3e0 RCX: 0000000000100000
RDX: ffffc9000def2000 RSI: 00000000000123c1 RDI: 00000000000123c2
RBP: ffffc9000d45f4b0 R08: ffff88801fc24293 R09: 1ffff11003f84852
R10: dffffc0000000000 R11: ffffed1003f84853 R12: dffffc0000000000
R13: 1ffff92001a8be78 R14: 1ffff1100a58f815 R15: 0000000000000004
FS:  00007fb3640306c0(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9f30157000 CR3: 000000004307a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_dirent_scan+0x545/0x690 fs/gfs2/dir.c:-1
 gfs2_dirent_search+0x2e0/0x7e0 fs/gfs2/dir.c:853
 gfs2_dir_search+0x4c/0x220 fs/gfs2/dir.c:1653
 gfs2_lookupi+0x3d9/0x5a0 fs/gfs2/inode.c:340
 gfs2_lookup_meta+0xa7/0x170 fs/gfs2/inode.c:280
 init_statfs fs/gfs2/ops_fstype.c:643 [inline]
 init_journal+0x1297/0x2260 fs/gfs2/ops_fstype.c:783
 init_inodes+0xdb/0x320 fs/gfs2/ops_fstype.c:851
 gfs2_fill_super+0x1939/0x20e0 fs/gfs2/ops_fstype.c:1253
 get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1679
 gfs2_get_tree+0x51/0x1e0 fs/gfs2/ops_fstype.c:1335
 vfs_get_tree+0x8f/0x2b0 fs/super.c:1802
 do_new_mount+0x24a/0xa40 fs/namespace.c:3885
 do_mount fs/namespace.c:4222 [inline]
 __do_sys_mount fs/namespace.c:4433 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4410
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb3631900ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb36402fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb36402fef0 RCX: 00007fb3631900ca
RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fb36402feb0
RBP: 000020000001f680 R08: 00007fb36402fef0 R09: 0000000000000084
R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
R13: 00007fb36402feb0 R14: 000000000001f748 R15: 0000200000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_withdraw+0x1463/0x14f0 fs/gfs2/util.c:340
Code: ff ff 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 31 f9 ff ff 48 8b 7c 24 10 e8 d8 c4 2a fe e9 22 f9 ff ff e8 8e 4d c7 fd 90 <0f> 0b 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 83 f9 ff ff 48
RSP: 0018:ffffc9000d45f320 EFLAGS: 00010283
RAX: ffffffff83f90eb2 RBX: ffffc9000d45f3e0 RCX: 0000000000100000
RDX: ffffc9000def2000 RSI: 00000000000123c1 RDI: 00000000000123c2
RBP: ffffc9000d45f4b0 R08: ffff88801fc24293 R09: 1ffff11003f84852
R10: dffffc0000000000 R11: ffffed1003f84853 R12: dffffc0000000000
R13: 1ffff92001a8be78 R14: 1ffff1100a58f815 R15: 0000000000000004
FS:  00007fb3640306c0(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9f30157000 CR3: 000000004307a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400