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.
=======================================================
OCFS2: ERROR (device loop0): int ocfs2_validate_inode_block(struct super_block *, struct buffer_head *): Invalid dinode #75: signature = ODE01
On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted.
OCFS2: File system is now read-only.
(syz.0.0,5322,0):ocfs2_read_journal_inode:1666 ERROR: status = -30
(syz.0.0,5322,0):ocfs2_mark_dead_nodes:1942 ERROR: status = -30
(syz.0.0,5322,0):ocfs2_check_volume:2420 ERROR: status = -30
(syz.0.0,5322,0):ocfs2_check_volume:2432 ERROR: status = -30
(syz.0.0,5322,0):ocfs2_mount_volume:1764 ERROR: status = -30
(syz.0.0,5322,0):ocfs2_read_blocks:239 ERROR: status = -12
(syz.0.0,5322,0):ocfs2_assign_bh:2417 ERROR: status = -12
(syz.0.0,5322,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -12
(syz.0.0,5322,0):ocfs2_shutdown_local_alloc:412 ERROR: status = -12
------------[ cut here ]------------
kernel BUG at fs/ocfs2/journal.c:1034!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5322 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_journal_toggle_dirty+0x33f/0x350 fs/ocfs2/journal.c:1034
Code: ff ff e8 94 6c a0 07 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4e fe ff ff 48 89 df e8 ec ad 7f fe e9 41 fe ff ff e8 32 6f 18 fe 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
RSP: 0018:ffffc9000d446fc0 EFLAGS: 00010293
RAX: ffffffff83a7a46e RBX: 0000000000000001 RCX: ffff888033a68000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000d447070 R08: ffffffff8f7cf477 R09: 1ffffffff1ef9e8e
R10: dffffc0000000000 R11: fffffbfff1ef9e8f R12: 1ffff110085df479
R13: ffff888051aca600 R14: ffff888042a23800 R15: ffff888042efa3c8
FS:  00007f202afcf6c0(0000) GS:ffff88808d733000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f246d0edbc0 CR3: 0000000041bda000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ocfs2_journal_shutdown+0x544/0xaf0 fs/ocfs2/journal.c:1116
 ocfs2_mount_volume fs/ocfs2/super.c:1785 [inline]
 ocfs2_fill_super+0x5595/0x63c0 fs/ocfs2/super.c:1083
 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691
 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: 0033:0x7f202a19076a
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:00007f202afcee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f202afceef0 RCX: 00007f202a19076a
RDX: 0000200000004440 RSI: 0000200000000040 RDI: 00007f202afceeb0
RBP: 0000200000004440 R08: 00007f202afceef0 R09: 00000000000008c0
R10: 00000000000008c0 R11: 0000000000000246 R12: 0000200000000040
R13: 00007f202afceeb0 R14: 000000000000442a R15: 0000200000000700
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_journal_toggle_dirty+0x33f/0x350 fs/ocfs2/journal.c:1034
Code: ff ff e8 94 6c a0 07 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4e fe ff ff 48 89 df e8 ec ad 7f fe e9 41 fe ff ff e8 32 6f 18 fe 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
RSP: 0018:ffffc9000d446fc0 EFLAGS: 00010293
RAX: ffffffff83a7a46e RBX: 0000000000000001 RCX: ffff888033a68000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000d447070 R08: ffffffff8f7cf477 R09: 1ffffffff1ef9e8e
R10: dffffc0000000000 R11: fffffbfff1ef9e8f R12: 1ffff110085df479
R13: ffff888051aca600 R14: ffff888042a23800 R15: ffff888042efa3c8
FS:  00007f202afcf6c0(0000) GS:ffff88808d733000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f246d0edbc0 CR3: 0000000041bda000 CR4: 0000000000352ef0