------------[ cut here ]------------
WARNING: CPU: 0 PID: 17966 at drivers/block/floppy.c:1000 schedule_bh+0x5f/0x70 drivers/block/floppy.c:1000
Modules linked in:
CPU: 0 PID: 17966 Comm: syz-executor.2 Not tainted 5.16.0-rc3-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:schedule_bh+0x5f/0x70 drivers/block/floppy.c:1000
Code: b7 7a fc fc 48 89 2d 10 5f 00 0c 5b 48 c7 c2 c0 41 6a 8c 48 8b 35 e1 63 00 0c bf 08 00 00 00 5d e9 16 fc d0 fc e8 91 7a fc fc <0f> 0b eb d1 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 7b 7a fc fc
RSP: 0018:ffffc9000655f9c0 EFLAGS: 00010212
RAX: 0000000000008833 RBX: 0000000000000001 RCX: ffffc900061bd000
RDX: 0000000000040000 RSI: ffffffff847a69af RDI: 0000000000000003
RBP: ffffffff847b1df0 R08: 0000000000000000 R09: ffffffff8c6a41c7
R10: ffffffff847a697f R11: 0000000000000000 R12: ffffea00012b7e00
R13: 000000000000000c R14: ffffc9000655faa8 R15: 0000000000000001
FS:  00007fe9b3f8b700(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c521000 CR3: 000000004bf15000 CR4: 0000000000150ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 process_fd_request drivers/block/floppy.c:2851 [inline]
 __floppy_read_block_0.isra.0+0x224/0x2d0 drivers/block/floppy.c:4143
 floppy_revalidate.isra.0+0x76d/0xa30 drivers/block/floppy.c:4189
 invalidate_drive+0xeb/0x120 drivers/block/floppy.c:3190
 fd_locked_ioctl+0xd82/0x2820 drivers/block/floppy.c:3439
 fd_ioctl+0x35/0x50 drivers/block/floppy.c:3555
 blkdev_ioctl+0x37a/0x800 block/ioctl.c:609
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe9b5015b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe9b3f8b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe9b5128f60 RCX: 00007fe9b5015b19
RDX: 0000000000000000 RSI: 0000000000000241 RDI: 0000000000000004
RBP: 00007fe9b506ff9f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe12bed53f R14: 00007fe9b3f8b300 R15: 0000000000022000
 </TASK>