------------[ cut here ]------------ WARNING: CPU: 2 PID: 69 at drivers/block/floppy.c:999 schedule_bh drivers/block/floppy.c:999 [inline] WARNING: CPU: 2 PID: 69 at drivers/block/floppy.c:999 process_fd_request drivers/block/floppy.c:2847 [inline] WARNING: CPU: 2 PID: 69 at drivers/block/floppy.c:999 floppy_queue_rq+0x32b/0x390 drivers/block/floppy.c:2879 Modules linked in: CPU: 2 PID: 69 Comm: kworker/2:1H Not tainted 5.18.0-syzkaller-10139-g8291eaafed36 #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 drivers/block/floppy.c:999 [inline] RIP: 0010:process_fd_request drivers/block/floppy.c:2847 [inline] RIP: 0010:floppy_queue_rq+0x32b/0x390 drivers/block/floppy.c:2879 Code: ea 03 80 3c 02 00 75 67 48 8b 56 30 48 c7 c7 c0 62 42 8a e8 be f5 96 04 0f 0b 41 bc 0a 00 00 00 e9 36 ff ff ff e8 35 3b e0 fc <0f> 0b e9 ec fe ff ff 48 89 df e8 46 55 2c fd e9 ee fc ff ff 48 89 RSP: 0018:ffffc90000a97928 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff8880153a8080 RSI: ffffffff849965ab RDI: 0000000000000007 RBP: ffffffff8c8e7d40 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801a5652c8 R13: ffff88801a565280 R14: ffffc90000a97b68 R15: ffff88801a5652c8 FS: 0000000000000000(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb3aedfe718 CR3: 000000005b5af000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: blk_mq_dispatch_rq_list+0x6ea/0x2350 block/blk-mq.c:1908 __blk_mq_do_dispatch_sched block/blk-mq-sched.c:173 [inline] blk_mq_do_dispatch_sched+0x96d/0xc30 block/blk-mq-sched.c:187 __blk_mq_sched_dispatch_requests+0x26d/0x3e0 block/blk-mq-sched.c:313 blk_mq_sched_dispatch_requests+0x101/0x180 block/blk-mq-sched.c:339 __blk_mq_run_hw_queue+0xff/0x350 block/blk-mq.c:2025 blk_mq_run_work_fn+0x55/0x70 block/blk-mq.c:2363 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302