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.
(syz.0.0,5332,0):ocfs2_dio_end_io:2401 ERROR: Direct IO failed, bytes = -28
(syz.0.0,5332,0):ocfs2_dio_end_io:2401 ERROR: Direct IO failed, bytes = -28
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1382!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5332 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_block_group_set_bits+0x874/0x9a0 fs/ocfs2/suballoc.c:1382
Code: 07 fe c1 38 c1 0f 8c ab fe ff ff 4c 89 e7 89 f3 e8 b1 06 79 fe 89 de e9 9a fe ff ff e8 c5 ba 11 fe 90 0f 0b e8 bd ba 11 fe 90 <0f> 0b f3 0f 1e fa 65 8b 1d 93 b7 c0 0e bf 07 00 00 00 89 de e8 e3
RSP: 0018:ffffc9000d40f340 EFLAGS: 00010246
RAX: ffffffff83ae5893 RBX: 0000000000000001 RCX: 0000000000100000
RDX: ffffc9000e0fa000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: ffffc9000d40f460 R08: 0000000000000007 R09: 000000000000004c
R10: 00000000fffffffc R11: 0000000000000002 R12: 1ffff1100a6a1401
R13: 000000000000004c R14: ffff888040efcfb8 R15: dffffc0000000000
FS:  00007fb1aabaa6c0(0000) GS:ffff88808d72f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb19ebff000 CR3: 000000004134f000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ocfs2_move_extent fs/ocfs2/move_extents.c:687 [inline]
 __ocfs2_move_extents_range+0x2988/0x3390 fs/ocfs2/move_extents.c:859
 ocfs2_move_extents+0x378/0x960 fs/ocfs2/move_extents.c:931
 ocfs2_ioctl_move_extents+0x53e/0x710 fs/ocfs2/move_extents.c:1057
 ocfs2_ioctl+0x191/0x750 fs/ocfs2/ioctl.c:942
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 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: 0033:0x7fb1a9d8f749
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:00007fb1aabaa038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fb1a9fe5fa0 RCX: 00007fb1a9d8f749
RDX: 00002000000000c0 RSI: 0000000040406f06 RDI: 0000000000000004
RBP: 00007fb1a9e13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb1a9fe6038 R14: 00007fb1a9fe5fa0 R15: 00007ffec53d2f38
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_block_group_set_bits+0x874/0x9a0 fs/ocfs2/suballoc.c:1382
Code: 07 fe c1 38 c1 0f 8c ab fe ff ff 4c 89 e7 89 f3 e8 b1 06 79 fe 89 de e9 9a fe ff ff e8 c5 ba 11 fe 90 0f 0b e8 bd ba 11 fe 90 <0f> 0b f3 0f 1e fa 65 8b 1d 93 b7 c0 0e bf 07 00 00 00 89 de e8 e3
RSP: 0018:ffffc9000d40f340 EFLAGS: 00010246
RAX: ffffffff83ae5893 RBX: 0000000000000001 RCX: 0000000000100000
RDX: ffffc9000e0fa000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: ffffc9000d40f460 R08: 0000000000000007 R09: 000000000000004c
R10: 00000000fffffffc R11: 0000000000000002 R12: 1ffff1100a6a1401
R13: 000000000000004c R14: ffff888040efcfb8 R15: dffffc0000000000
FS:  00007fb1aabaa6c0(0000) GS:ffff88808d72f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb19ebff000 CR3: 000000004134f000 CR4: 0000000000352ef0