------------[ cut here ]------------
WARNING: CPU: 3 PID: 3926 at drivers/block/floppy.c:1000 schedule_bh+0x5f/0x70 drivers/block/floppy.c:1000
Modules linked in:
CPU: 3 PID: 3926 Comm: kworker/3:9 Not tainted 5.15.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Workqueue: events_freezable_power_ disk_events_workfn
RIP: 0010:schedule_bh+0x5f/0x70 drivers/block/floppy.c:1000
Code: 77 4b 07 fd 48 89 2d f0 26 e6 0b 5b 48 c7 c2 80 e5 48 8c 48 8b 35 c1 2b e6 0b bf 08 00 00 00 5d e9 06 d4 db fc e8 51 4b 07 fd <0f> 0b eb d1 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 3b 4b 07 fd
RSP: 0018:ffffc9000738fbc8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff88801afb9d00 RSI: ffffffff847078cf RDI: 0000000000000003
RBP: ffffffff847155c0 R08: 0000000000000000 R09: ffffffff8c48e587
R10: ffffffff8470789f R11: 0000000000000000 R12: ffffffff847155c0
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88802cd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f7077110 CR3: 000000007829f000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 wait_til_done+0x7b/0x370 drivers/block/floppy.c:2019
 floppy_check_events+0x3d0/0x510 drivers/block/floppy.c:4079
 disk_check_events+0xc2/0x420 block/disk-events.c:193
 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298
 process_scheduled_works kernel/workqueue.c:2361 [inline]
 worker_thread+0x85c/0x11f0 kernel/workqueue.c:2447
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>