------------[ cut here ]------------
WARNING: CPU: 0 PID: 5325 at ./include/linux/backing-dev.h:254 inode_to_wb include/linux/backing-dev.h:251 [inline]
WARNING: CPU: 0 PID: 5325 at ./include/linux/backing-dev.h:254 folio_account_dirtied mm/page-writeback.c:2766 [inline]
WARNING: CPU: 0 PID: 5325 at ./include/linux/backing-dev.h:254 __folio_mark_dirty+0xa3a/0xe80 mm/page-writeback.c:2818
Modules linked in:
CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.13.0-syzkaller-00603-g3d3a9c8b89d4 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:inode_to_wb include/linux/backing-dev.h:251 [inline]
RIP: 0010:folio_account_dirtied mm/page-writeback.c:2766 [inline]
RIP: 0010:__folio_mark_dirty+0xa3a/0xe80 mm/page-writeback.c:2818
Code: e8 9b 6f c4 ff 4c 89 ef 48 8b 34 24 e8 cf 12 33 00 e9 4a fe ff ff e8 85 6f c4 ff 90 0f 0b 90 e9 08 fe ff ff e8 77 6f c4 ff 90 <0f> 0b 90 e9 00 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c cc f7
RSP: 0018:ffffc9000d53e368 EFLAGS: 00010093
RAX: ffffffff81db1589 RBX: 0000000000000000 RCX: ffff88801ce22440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888031d04cf8 R08: ffffffff81db0f85 R09: 1ffff110063a099f
R10: dffffc000000000[   70.140261][ T4664] Bluetooth: hci0: command tx timeout