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.s: journal 0 mapped with 16 extents in 0ms
gfs2: fsid=syz:syz.s: first mount done, others may mount
gfs2: fsid=syz:syz.s: gfs2_check_dirent: gfs2_dirent too small (not first in block)
gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 589
gfs2: fsid=syz:syz.s: G:  s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
gfs2: fsid=syz:syz.s:  H: s:SH f:H e:0 p:5106 [syz.0.0] __gfs2_lookup+0xa4/0x280 fs/gfs2/inode.c:896
gfs2: fsid=syz:syz.s:  I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
gfs2: fsid=syz:syz.s: about to withdraw this file system
------------[ cut here ]------------
kernel BUG at fs/gfs2/util.c:340!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5106 Comm: syz.0.0 Not tainted 6.11.0-rc7-syzkaller-00097-g196145c606d0 #0
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+0x1459/0x1460 fs/gfs2/util.c:340
Code: ff ff 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 51 fd ff ff 48 8b 7c 24 10 e8 c2 c0 12 fe e9 42 fd ff ff e8 c8 78 ab fd 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90002cdf2e0 EFLAGS: 00010283
RAX: ffffffff83e813e8 RBX: 0000000000000004 RCX: 0000000000040000
RDX: ffffc9000b4e9000 RSI: 0000000000007f8b RDI: 0000000000007f8c
RBP: ffffc90002cdf470 R08: ffffffff83e8023e R09: 1ffff9200059bdfc
R10: dffffc0000000000 R11: fffff5200059bdfd R12: 1ffff1100809a815
R13: 1ffff9200059be70 R14: dffffc0000000000 R15: ffff8880404d4340
FS:  00007f00bca146c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f00bbcbaf60 CR3: 000000003d564000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_dirent_scan+0x52b/0x670
 gfs2_dirent_search+0x30e/0x8c0 fs/gfs2/dir.c:853
 gfs2_dir_search+0xb2/0x2f0 fs/gfs2/dir.c:1653
 gfs2_lookupi+0x461/0x5e0 fs/gfs2/inode.c:340
 __gfs2_lookup+0xa4/0x280 fs/gfs2/inode.c:896
 gfs2_atomic_open+0x9e/0x230 fs/gfs2/inode.c:1297
 atomic_open fs/namei.c:3441 [inline]
 lookup_open fs/namei.c:3549 [inline]
 open_last_lookups fs/namei.c:3647 [inline]
 path_openat+0xe8d/0x3470 fs/namei.c:3883
 do_filp_open+0x235/0x490 fs/namei.c:3913
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416
 do_sys_open fs/open.c:1431 [inline]
 __do_sys_openat fs/open.c:1447 [inline]
 __se_sys_openat fs/open.c:1442 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1442
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f00bbb7def9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f00bca14038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f00bbd35f80 RCX: 00007f00bbb7def9
RDX: 0000000000105042 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f00bbbf0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000001ff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f00bbd35f80 R15: 00007ffc7d40abc8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_withdraw+0x1459/0x1460 fs/gfs2/util.c:340
Code: ff ff 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 51 fd ff ff 48 8b 7c 24 10 e8 c2 c0 12 fe e9 42 fd ff ff e8 c8 78 ab fd 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90002cdf2e0 EFLAGS: 00010283
RAX: ffffffff83e813e8 RBX: 0000000000000004 RCX: 0000000000040000
RDX: ffffc9000b4e9000 RSI: 0000000000007f8b RDI: 0000000000007f8c
RBP: ffffc90002cdf470 R08: ffffffff83e8023e R09: 1ffff9200059bdfc
R10: dffffc0000000000 R11: fffff5200059bdfd R12: 1ffff1100809a815
R13: 1ffff9200059be70 R14: dffffc0000000000 R15: ffff8880404d4340
FS:  00007f00bca146c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f00b13bd000 CR3: 000000003d564000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400