------------[ cut here ]------------
WARNING: CPU: 1 PID: 17830 at drivers/block/floppy.c:999 schedule_bh drivers/block/floppy.c:999 [inline]
WARNING: CPU: 1 PID: 17830 at drivers/block/floppy.c:999 process_fd_request drivers/block/floppy.c:2847 [inline]
WARNING: CPU: 1 PID: 17830 at drivers/block/floppy.c:999 fd_locked_ioctl+0x15c8/0x1990 drivers/block/floppy.c:3556
Modules linked in:
CPU: 1 PID: 17830 Comm: syz-executor.2 Not tainted 6.4.0-rc5-syzkaller-00305-g022ce8862dff #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:schedule_bh drivers/block/floppy.c:999 [inline]
RIP: 0010:process_fd_request drivers/block/floppy.c:2847 [inline]
RIP: 0010:fd_locked_ioctl+0x15c8/0x1990 drivers/block/floppy.c:3556
Code: e8 0d b1 43 fc e9 21 ef ff ff e8 73 a0 b1 fc e9 57 ec ff ff 48 c7 c7 e0 ac 45 8d e8 d2 cd 1d ff e9 14 ec ff ff e8 38 cd 5f fc <0f> 0b e9 94 f7 ff ff e8 2c cd 5f fc 0f 0b e9 3d f8 ff ff 41 bf f0
RSP: 0018:ffffc90003c9fcd8 EFLAGS: 00010212
RAX: 00000000000007b4 RBX: 0000000000000001 RCX: ffffc900226d2000
RDX: 0000000000040000 RSI: ffffffff85239a78 RDI: 0000000000000001
RBP: ffffc90003c9fd50 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000259
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f90612c6700(0000) GS:ffff88806b700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555569eb708 CR3: 0000000025661000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 fd_ioctl+0x39/0x60 drivers/block/floppy.c:3574
 blkdev_ioctl+0x372/0x7f0 block/ioctl.c:615
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f906048c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f90612c6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f90605abf80 RCX: 00007f906048c169
RDX: 0000000000000000 RSI: 0000000000000259 RDI: 0000000000000003
RBP: 00007f90604e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff2bcf1d4f R14: 00007f90612c6300 R15: 0000000000022000
 </TASK>