------------[ cut here ]------------ WARNING: CPU: 2 PID: 12851 at drivers/block/floppy.c:1000 schedule_bh+0x5f/0x70 drivers/block/floppy.c:1000 Modules linked in: CPU: 2 PID: 12851 Comm: kworker/2:1 Not tainted 5.16.0-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: 97 f9 fa fc 48 89 2d 90 2e 03 0c 5b 48 c7 c2 60 25 6b 8c 48 8b 35 61 33 03 0c bf 08 00 00 00 5d e9 26 55 cf fc e8 71 f9 fa fc <0f> 0b eb d1 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 5b f9 fa fc RSP: 0018:ffffc9000477fc90 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff88806dede140 RSI: ffffffff847bf76f RDI: 0000000000000003 RBP: ffffffff847cac20 R08: 0000000000000000 R09: ffffffff8c6b2567 R10: ffffffff847bf73f R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff2e54f8d0 CR3: 00000000669ca000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: process_fd_request drivers/block/floppy.c:2851 [inline] floppy_check_events+0x3e7/0x510 drivers/block/floppy.c:4082 disk_check_events+0xc2/0x420 block/disk-events.c:193 process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307 worker_thread+0x657/0x1110 kernel/workqueue.c:2454 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295