FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x61417272 (sector = 1)
------------[ cut here ]------------
kernel BUG at fs/hfs/inode.c:474!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 26 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:3)
RIP: 0010:hfs_write_inode+0x934/0x960
Code: 40 31 ff e8 ee 27 15 ff 81 e3 00 00 00 40 75 1c e8 a1 23 15 ff 48 bb f8 f8 f8 f8 f8 f8 f8 f8 e9 dc f7 ff ff e8 8d 23 15 ff 90 <0f> 0b e8 85 23 15 ff e8 50 7c 82 fe eb dd 44 89 f1 80 e1 07 80 c1
RSP: 0018:ffffc90000a171a0 EFLAGS: 00010293
RAX: ffffffff82b09b23 RBX: ffff888118ea3c10 RCX: ffff888103295880
RDX: 0000000000000000 RSI: ffffffff8ebcaf90 RDI: 0000000000000000
RBP: ffffc90000a17328 R08: ffff888103295880 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff92000142e38 R14: 0000000000000000 R15: ffff888118ea3bd0
FS:  0000000000000000(0000) GS:ffff88818dc25000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3a877ea2f8 CR3: 0000000021c62000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __writeback_single_inode+0x75a/0x10e0
 writeback_sb_inodes+0x979/0x19d0
 wb_writeback+0x445/0xb00
 wb_workfn+0x3f8/0xf10
 process_scheduled_works+0xb5d/0x1860
 worker_thread+0xa53/0xfc0
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_write_inode+0x934/0x960
Code: 40 31 ff e8 ee 27 15 ff 81 e3 00 00 00 40 75 1c e8 a1 23 15 ff 48 bb f8 f8 f8 f8 f8 f8 f8 f8 e9 dc f7 ff ff e8 8d 23 15 ff 90 <0f> 0b e8 85 23 15 ff e8 50 7c 82 fe eb dd 44 89 f1 80 e1 07 80 c1
RSP: 0018:ffffc90000a171a0 EFLAGS: 00010293
RAX: ffffffff82b09b23 RBX: ffff888118ea3c10 RCX: ffff888103295880
RDX: 0000000000000000 RSI: ffffffff8ebcaf90 RDI: 0000000000000000
RBP: ffffc90000a17328 R08: ffff888103295880 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff92000142e38 R14: 0000000000000000 R15: ffff888118ea3bd0
FS:  0000000000000000(0000) GS:ffff88818dc25000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3a87586980 CR3: 000000000e74a000 CR4: 00000000000006f0
