------------[ cut here ]------------ WARNING: CPU: 2 PID: 1117 at drivers/block/floppy.c:1000 schedule_bh+0x5f/0x70 drivers/block/floppy.c:1000 Modules linked in: CPU: 2 PID: 1117 Comm: kworker/2:1H Not tainted 5.16.0-rc4-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Workqueue: kblockd blk_mq_run_work_fn RIP: 0010:schedule_bh+0x5f/0x70 drivers/block/floppy.c:1000 Code: 77 7c fc fc 48 89 2d a0 70 00 0c 5b 48 c7 c2 00 42 6a 8c 48 8b 35 71 75 00 0c bf 08 00 00 00 5d e9 a6 fd d0 fc e8 51 7c fc fc <0f> 0b eb d1 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 3b 7c fc fc RSP: 0018:ffffc90007c678f8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff88801be70100 RSI: ffffffff847a681f RDI: 0000000000000003 RBP: ffffffff847b1c60 R08: 0000000000000000 R09: ffffffff8c6a4207 R10: ffffffff847a67ef R11: 00000000ffffff80 R12: 0000000000000000 R13: ffff88801a3d63c0 R14: ffffc90007c67b20 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7f9de10718 CR3: 000000006fb8f000 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_queue_rq+0x1ff/0x340 drivers/block/floppy.c:2883 blk_mq_dispatch_rq_list+0x6fd/0x2340 block/blk-mq.c:1663 __blk_mq_do_dispatch_sched+0x3bc/0xa70 block/blk-mq-sched.c:199 blk_mq_do_dispatch_sched block/blk-mq-sched.c:212 [inline] __blk_mq_sched_dispatch_requests+0x2a0/0x410 block/blk-mq-sched.c:332 blk_mq_sched_dispatch_requests+0xfb/0x180 block/blk-mq-sched.c:358 __blk_mq_run_hw_queue+0xd8/0x150 block/blk-mq.c:1785 blk_mq_run_work_fn+0x55/0x70 block/blk-mq.c:2117 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295