------------[ cut here ]------------
WARNING: CPU: 3 PID: 5557 at drivers/block/floppy.c:1000 schedule_bh+0x5f/0x70 drivers/block/floppy.c:1000
Modules linked in:
CPU: 3 PID: 5557 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: 87 76 fc fc 48 89 2d e0 5a 00 0c 5b 48 c7 c2 c0 41 6a 8c 48 8b 35 b1 5f 00 0c bf 08 00 00 00 5d e9 e6 f7 d0 fc e8 61 76 fc fc <0f> 0b eb d1 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 4b 76 fc fc
RSP: 0018:ffffc9000321f8a0 EFLAGS: 00010212
RAX: 0000000000000da5 RBX: 0000000000000001 RCX: ffffc90026fa1000
RDX: 0000000000040000 RSI: ffffffff847a6ddf RDI: 0000000000000003
RBP: ffffffff847b2220 R08: 0000000000000000 R09: ffffffff8c6a41c7
R10: ffffffff847a6daf R11: 0000000000000000 R12: ffffffff907af0f0
R13: ffff88801a4c6800 R14: 0000000000000050 R15: 0000000000000001
FS:  00007fb66215a700(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556370108 CR3: 0000000079a47000 CR4: 0000000000150ee0
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_revalidate.isra.0+0x43c/0xa30 drivers/block/floppy.c:4193
 floppy_open+0xac5/0xd70 drivers/block/floppy.c:4039
 blkdev_get_whole+0x99/0x2d0 block/bdev.c:671
 blkdev_get_by_dev.part.0+0x5c6/0xc70 block/bdev.c:826
 blkdev_get_by_dev+0x6b/0x80 block/bdev.c:860
 blkdev_open+0x154/0x2e0 block/fops.c:501
 do_dentry_open+0x4c8/0x1250 fs/open.c:822
 do_open fs/namei.c:3426 [inline]
 path_openat+0x1cad/0x2750 fs/namei.c:3559
 do_filp_open+0x1aa/0x400 fs/namei.c:3586
 do_sys_openat2+0x16d/0x4d0 fs/open.c:1212
 do_sys_open fs/open.c:1228 [inline]
 __do_sys_openat fs/open.c:1244 [inline]
 __se_sys_openat fs/open.c:1239 [inline]
 __x64_sys_openat+0x13f/0x1f0 fs/open.c:1239
 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: 0033:0x7fb664b97a04
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:00007fb662159cc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007fb664b97a04
RDX: 0000000000000000 RSI: 00007fb662159d60 RDI: 00000000ffffff9c
RBP: 00007fb662159d60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffc0eb08d7f R14: 00007fb66215a300 R15: 0000000000022000
 </TASK>