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: fatal: filesystem consistency error - inode = 1 19, function = gfs2_jdesc_check, file = fs/gfs2/super.c, line = 119
gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:5
gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:5333 [syz.0.0] init_journal+0x17f8/0x2260 fs/gfs2/ops_fstype.c:793
gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:8388608 p:0
gfs2: fsid=syz:syz.s: about to withdraw this file system
------------[ cut here ]------------
kernel BUG at fs/gfs2/util.c:331!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted syzkaller #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+0x1376/0x1430 fs/gfs2/util.c:331
Code: ff ff 48 8b 4c 24 18 80 e1 07 80 c1 03 38 c1 0f 8c 55 fb ff ff 48 8b 7c 24 18 e8 d5 02 22 fe e9 46 fb ff ff e8 1b c4 ba fd 90 <0f> 0b 48 8b 4c 24 18 80 e1 07 80 c1 03 38 c1 0f 8c ab fb ff ff 48
RSP: 0018:ffffc9000d2df420 EFLAGS: 00010293
RAX: ffffffff84054ff5 RBX: ffffc9000d2df4e0 RCX: ffff888000fa2480
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc9000d2df5c0 R08: ffff88801fe24293 R09: 1ffff11003fc4852
R10: dffffc0000000000 R11: ffffed1003fc4853 R12: dffffc0000000000
R13: 1ffff92001a5be98 R14: 1ffff11002314815 R15: 0000000000000004
FS:  00007ffa7278b6c0(0000) GS:ffff88808d733000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7ee018dd30 CR3: 0000000041a71000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 gfs2_jdesc_check+0x17d/0x2f0 fs/gfs2/super.c:-1
 check_journal_clean+0x158/0x310 fs/gfs2/util.c:69
 init_journal+0x17f8/0x2260 fs/gfs2/ops_fstype.c:793
 init_inodes+0xdb/0x320 fs/gfs2/ops_fstype.c:851
 gfs2_fill_super+0x1923/0x20d0 fs/gfs2/ops_fstype.c:1255
 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691
 gfs2_get_tree+0x51/0x1e0 fs/gfs2/ops_fstype.c:1337
 vfs_get_tree+0x92/0x2b0 fs/super.c:1751
 fc_mount fs/namespace.c:1208 [inline]
 do_new_mount_fc fs/namespace.c:3651 [inline]
 do_new_mount+0x302/0xa10 fs/namespace.c:3727
 do_mount fs/namespace.c:4050 [inline]
 __do_sys_mount fs/namespace.c:4238 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4215
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffa7199076a
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:00007ffa7278ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffa7278aef0 RCX: 00007ffa7199076a
RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffa7278aeb0
RBP: 0000200000000400 R08: 00007ffa7278aef0 R09: 0000000000200000
R10: 0000000000200000 R11: 0000000000000246 R12: 0000200000012500
R13: 00007ffa7278aeb0 R14: 00000000000125f1 R15: 0000200000000f40
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_withdraw+0x1376/0x1430 fs/gfs2/util.c:331
Code: ff ff 48 8b 4c 24 18 80 e1 07 80 c1 03 38 c1 0f 8c 55 fb ff ff 48 8b 7c 24 18 e8 d5 02 22 fe e9 46 fb ff ff e8 1b c4 ba fd 90 <0f> 0b 48 8b 4c 24 18 80 e1 07 80 c1 03 38 c1 0f 8c ab fb ff ff 48
RSP: 0018:ffffc9000d2df420 EFLAGS: 00010293
RAX: ffffffff84054ff5 RBX: ffffc9000d2df4e0 RCX: ffff888000fa2480
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc9000d2df5c0 R08: ffff88801fe24293 R09: 1ffff11003fc4852
R10: dffffc0000000000 R11: ffffed1003fc4853 R12: dffffc0000000000
R13: 1ffff92001a5be98 R14: 1ffff11002314815 R15: 0000000000000004
FS:  00007ffa7278b6c0(0000) GS:ffff88808d733000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7ee018dd30 CR3: 0000000041a71000 CR4: 0000000000352ef0