------------[ cut here ]------------
WARNING: CPU: 1 PID: 3981 at drivers/block/floppy.c:999 schedule_bh drivers/block/floppy.c:999 [inline]
WARNING: CPU: 1 PID: 3981 at drivers/block/floppy.c:999 process_fd_request drivers/block/floppy.c:2847 [inline]
WARNING: CPU: 1 PID: 3981 at drivers/block/floppy.c:999 floppy_revalidate.isra.0+0x878/0xbf0 drivers/block/floppy.c:4210
Modules linked in:
CPU: 1 PID: 3981 Comm: syz-executor.0 Not tainted 6.0.0-rc3-syzkaller-00792-gdcf8e5633e2e #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:floppy_revalidate.isra.0+0x878/0xbf0 drivers/block/floppy.c:4210
Code: 8d 8c e8 6b 39 87 ff 48 83 fb 07 0f 86 5d f8 ff ff 48 89 de 48 c7 c7 40 16 8d 8c e8 52 39 87 ff e9 49 f8 ff ff e8 a8 27 ec fc <0f> 0b e9 07 fd ff ff e8 9c 27 ec fc 48 83 fb 07 0f 87 26 03 00 00
RSP: 0018:ffffc900033d78d0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff88802573c100 RSI: ffffffff848e72c8 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88801b6f0000
R13: ffffffff908f7750 R14: 0000000000000050 R15: 0000000000000001
FS:  00007fed9acd9700(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fed9acd8d38 CR3: 000000001dc0e000 CR4: 0000000000150ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 floppy_open+0xac8/0xe50 drivers/block/floppy.c:4058
 blkdev_get_whole+0x99/0x2d0 block/bdev.c:671
 blkdev_get_by_dev.part.0+0x5ec/0xb90 block/bdev.c:821
 blkdev_get_by_dev+0x6b/0x80 block/bdev.c:855
 blkdev_open+0x13c/0x2c0 block/fops.c:485
 do_dentry_open+0x4a4/0x13a0 fs/open.c:878
 do_open fs/namei.c:3557 [inline]
 path_openat+0x1c92/0x28f0 fs/namei.c:3691
 do_filp_open+0x1b6/0x400 fs/namei.c:3718
 do_sys_openat2+0x16d/0x4c0 fs/open.c:1311
 do_sys_open fs/open.c:1327 [inline]
 __do_sys_openat fs/open.c:1343 [inline]
 __se_sys_openat fs/open.c:1338 [inline]
 __x64_sys_openat+0x13f/0x1f0 fs/open.c:1338
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fed99a3bf64
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007fed9acd8ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007fed99a3bf64
RDX: 0000000000000000 RSI: 00007fed9acd8d40 RDI: 00000000ffffff9c
RBP: 00007fed9acd8d40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffd19e279af R14: 00007fed9acd9300 R15: 0000000000022000
 </TASK>