------------[ cut here ]------------ WARNING: CPU: 1 PID: 4784 at drivers/block/floppy.c:999 schedule_bh drivers/block/floppy.c:999 [inline] WARNING: CPU: 1 PID: 4784 at drivers/block/floppy.c:999 wait_til_done+0x350/0x3c0 drivers/block/floppy.c:2018 Modules linked in: CPU: 1 PID: 4784 Comm: syz-executor.3 Not tainted 6.3.0-rc7-syzkaller-00060-g789b4a41c247 #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:wait_til_done+0x350/0x3c0 drivers/block/floppy.c:2018 Code: fc 41 83 fd 01 7e ac e8 ce 6c 66 fc 4c 89 e6 48 c7 c7 20 d6 44 8d e8 6f 57 44 fc e8 ba 6c 66 fc e9 c3 fd ff ff e8 b0 6c 66 fc <0f> 0b e9 4b fd ff ff e8 94 91 b6 fc e9 0f fe ff ff e8 9a 6c 66 fc RSP: 0018:ffffc900040ff738 EFLAGS: 00010216 RAX: 0000000000000c51 RBX: 1ffff9200081fee7 RCX: ffffc900050c2000 RDX: 0000000000040000 RSI: ffffffff851b9f60 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff851b5be0 R14: 0000000000000008 R15: 0000000000000003 FS: 00007ff72268b700(0000) GS:ffff88802c700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa898812fc0 CR3: 000000006cc47000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: floppy_check_events+0x35e/0x680 drivers/block/floppy.c:4098 disk_check_events+0xc2/0x420 block/disk-events.c:193 disk_clear_events block/disk-events.c:248 [inline] bdev_check_media_change+0x130/0x360 block/disk-events.c:279 floppy_open+0x879/0xe90 drivers/block/floppy.c:4057 blkdev_get_whole+0x99/0x2d0 block/bdev.c:594 blkdev_get_by_dev.part.0+0x5e0/0xb80 block/bdev.c:744 blkdev_get_by_dev+0x6f/0x90 block/bdev.c:778 blkdev_open+0x140/0x2c0 block/fops.c:493 do_dentry_open+0x6cc/0x13f0 fs/open.c:920 do_open fs/namei.c:3560 [inline] path_openat+0x1baa/0x2750 fs/namei.c:3715 do_filp_open+0x1ba/0x410 fs/namei.c:3742 do_sys_openat2+0x16d/0x4c0 fs/open.c:1348 do_sys_open fs/open.c:1364 [inline] __do_sys_openat fs/open.c:1380 [inline] __se_sys_openat fs/open.c:1375 [inline] __x64_sys_openat+0x143/0x1f0 fs/open.c:1375 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: 0033:0x7ff72183e2f4 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:00007ff72268aca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007ff72183e2f4 RDX: 0000000000000000 RSI: 00007ff72268ad40 RDI: 00000000ffffff9c RBP: 00007ff72268ad40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007ffc6a9ed1cf R14: 00007ff72268b300 R15: 0000000000022000