loop0: detected capacity change from 0 to 64
loop0: detected capacity change from 64 to 0
=======================================================
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.
=======================================================
Buffer I/O error on dev loop0, logical block 62, lost sync page write
hfs: unable to read volume bitmap
------------[ cut here ]------------
!buffer_uptodate(bh)
WARNING: fs/buffer.c:1180 at mark_buffer_dirty+0x299/0x440 fs/buffer.c:1180, CPU#0: syz.0.0/5315
Modules linked in:
CPU: 0 UID: 0 PID: 5315 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 04/01/2014
RIP: 0010:mark_buffer_dirty+0x299/0x440 fs/buffer.c:1180
Code: 4c 89 f7 e8 69 01 da ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 60 fb ff e8 9f 4d 6e ff eb 8c e8 98 4d 6e ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 8a 4d 6e ff 90 0f 0b 90 e9 cf fd ff ff
RSP: 0018:ffffc9000dfd7ba8 EFLAGS: 00010283
RAX: ffffffff82574dd8 RBX: ffff888047e38910 RCX: 0000000000100000
RDX: ffffc9000ec1a000 RSI: 00000000000021e2 RDI: 00000000000021e3
RBP: 1ffff11006db6001 R08: ffff888047e38917 R09: 1ffff11008fc7122
R10: dffffc0000000000 R11: ffffed1008fc7123 R12: dffffc0000000000
R13: ffff888036db0638 R14: ffff888055bb1c0b R15: ffff888055bab492
FS:  00007fb49de5e6c0(0000) GS:ffff88808ca59000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb49d1170e0 CR3: 0000000040562000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 hfs_mdb_commit+0x84b/0x1150 fs/hfs/mdb.c:328
 hfs_sync_fs+0x1d/0x30 fs/hfs/super.c:38
 sync_filesystem+0x1cf/0x230 fs/sync.c:66
 hfs_reconfigure+0x66/0x270 fs/hfs/super.c:122
 reconfigure_super+0x227/0x8a0 fs/super.c:1080
 do_remount fs/namespace.c:3391 [inline]
 path_mount+0xdc5/0x10e0 fs/namespace.c:4151
 do_mount fs/namespace.c:4172 [inline]
 __do_sys_mount fs/namespace.c:4361 [inline]
 __se_sys_mount+0x31d/0x420 fs/namespace.c:4338
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb49cf9c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb49de5e028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb49d215fa0 RCX: 00007fb49cf9c799
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007fb49d032bd9 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000013760f6 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb49d216038 R14: 00007fb49d215fa0 R15: 00007ffea8f74478
 </TASK>