loop0: detected capacity change from 0 to 8
squashfs: Unknown parameter ''
loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
ocfs2: Unknown parameter 'squashfs'
loop0: detected capacity change from 32768 to 32760
(syz.0.0,5337,0):ocfs2_validate_inode_block:1449 ERROR: Invalid dinode #71: Corrupt state (nlink = 0 or mode = 0) detected!
(syz.0.0,5337,0):ocfs2_assign_bh:2417 ERROR: status = -117
(syz.0.0,5337,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -117
(syz.0.0,5337,0):__ocfs2_flush_truncate_log:6058 ERROR: status = -117
(syz.0.0,5337,0):ocfs2_sync_fs:408 ERROR: status = -117
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2579!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5337 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:_ocfs2_free_suballoc_bits+0x108a/0x1330 fs/ocfs2/suballoc.c:2579
Code: 4c 89 f1 e9 87 f9 ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c 95 fb ff ff 48 89 df e8 61 67 76 fe e9 88 fb ff ff e8 e7 bb 0e fe 90 <0f> 0b e8 df bb 0e fe 90 0f 0b f3 0f 1e fa 65 44 8b 25 f4 55 ce 0e
RSP: 0018:ffffc9000da17660 EFLAGS: 00010283
RAX: ffffffff83b24a29 RBX: ffff88800b5fee00 RCX: 0000000000100000
RDX: ffffc90021342000 RSI: 00000000000049d9 RDI: 00000000000049da
RBP: ffffc9000da17808 R08: 0000000000000020 R09: 000000000000001f
R10: dffffc0000000000 R11: fffffbfff1f0482f R12: ffff88801c508268
R13: dffffc0000000000 R14: 00000000ffffffff R15: 000000000000001f
FS:  00007fefedfd96c0(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7eeb464000 CR3: 000000001fcdc000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 _ocfs2_free_clusters+0x5d4/0xa50 fs/ocfs2/suballoc.c:2683
 ocfs2_sync_local_to_main+0x524/0xb20 fs/ocfs2/localalloc.c:991
 ocfs2_shutdown_local_alloc+0x6e0/0xa10 fs/ocfs2/localalloc.c:447
 ocfs2_dismount_volume+0x1e9/0x8b0 fs/ocfs2/super.c:1825
 generic_shutdown_super+0x135/0x2c0 fs/super.c:643
 kill_block_super+0x44/0x90 fs/super.c:1722
 deactivate_locked_super+0xbc/0x130 fs/super.c:474
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1318
 task_work_run+0x1d4/0x260 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:44 [inline]
 exit_to_user_mode_loop+0xef/0x4e0 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2b7/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fefed18f7c9
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:00007fefedfd9038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fefed3e5fa0 RCX: 00007fefed18f7c9
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000003
RBP: 00007fefed213f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fefed3e6038 R14: 00007fefed3e5fa0 R15: 00007ffcbb4e4668
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0x108a/0x1330 fs/ocfs2/suballoc.c:2579
Code: 4c 89 f1 e9 87 f9 ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c 95 fb ff ff 48 89 df e8 61 67 76 fe e9 88 fb ff ff e8 e7 bb 0e fe 90 <0f> 0b e8 df bb 0e fe 90 0f 0b f3 0f 1e fa 65 44 8b 25 f4 55 ce 0e
RSP: 0018:ffffc9000da17660 EFLAGS: 00010283
RAX: ffffffff83b24a29 RBX: ffff88800b5fee00 RCX: 0000000000100000
RDX: ffffc90021342000 RSI: 00000000000049d9 RDI: 00000000000049da
RBP: ffffc9000da17808 R08: 0000000000000020 R09: 000000000000001f
R10: dffffc0000000000 R11: fffffbfff1f0482f R12: ffff88801c508268
R13: dffffc0000000000 R14: 00000000ffffffff R15: 000000000000001f
FS:  00007fefedfd96c0(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7eeb464000 CR3: 000000001fcdc000 CR4: 0000000000352ef0