command_status=-1 floppy1: floppy timeout called ------------[ cut here ]------------ WARNING: CPU: 0 PID: 14227 at drivers/block/floppy.c:999 schedule_bh drivers/block/floppy.c:999 [inline] WARNING: CPU: 0 PID: 14227 at drivers/block/floppy.c:999 process_fd_request+0x6b/0x70 drivers/block/floppy.c:2847 Modules linked in: CPU: 0 PID: 14227 Comm: kworker/u16:30 Not tainted 6.6.0-rc2-syzkaller-00337-gd90b0276af8f #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Workqueue: floppy floppy_shutdown RIP: 0010:schedule_bh drivers/block/floppy.c:999 [inline] RIP: 0010:process_fd_request+0x6b/0x70 drivers/block/floppy.c:2847 Code: fc 5b bf 08 00 00 00 48 c7 c2 20 df 8f 8d 48 8b 35 6a 8e 19 0d 48 c7 05 7f 89 19 0d 10 2b 3e 85 e9 1a 0d 18 fc e8 85 d0 49 fc <0f> 0b eb ce 90 48 b8 00 00 00 00 00 fc ff df 41 56 41 55 41 89 f5 RSP: 0018:ffffc90007fd7cd0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888016530000 RSI: ffffffff853df62b RDI: 0000000000000001 RBP: ffffffff8d8fdfa0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 3a317970706f6c66 R12: ffff888018f01c00 R13: 0000000000000001 R14: ffffc90007fd7d80 R15: ffff888013249000 FS: 0000000000000000(0000) GS:ffff88802c600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f7f13d80 CR3: 000000005abed000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: floppy_shutdown+0x134/0x230 drivers/block/floppy.c:1889 process_one_work+0x884/0x15c0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304