------------[ cut here ]------------
WARNING: CPU: 1 PID: 11041 at include/linux/backing-dev.h:283 inode_to_wb include/linux/backing-dev.h:283 [inline]
WARNING: CPU: 1 PID: 11041 at include/linux/backing-dev.h:283 account_page_dirtied+0x785/0xc20 mm/page-writeback.c:2434
Modules linked in:
CPU: 1 PID: 11041 Comm: segctord Not tainted 5.13.0-rc2-next-20210518-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:inode_to_wb include/linux/backing-dev.h:283 [inline]
RIP: 0010:account_page_dirtied+0x785/0xc20 mm/page-writeback.c:2434
Code: a8 01 00 00 be ff ff ff ff 48 8d 78 70 e8 b3 8f 80 07 31 ff 89 c3 89 c6 e8 d8 0b d9 ff 85 db 0f 85 9c fa ff ff e8 8b 04 d9 ff <0f> 0b e9 90 fa ff ff e8 7f 04 d9 ff 48 8d 7d 08 48 b8 00 00 00 00
RSP: 0018:ffffc9000185f898 EFLAGS: 00010093
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888079a53900 RSI: ffffffff819ccf45 RDI: 0000000000000003
RBP: ffffea00007f8880 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff819ccf38 R11: 0000000000000000 R12: ffff88807fb00488
R13: ffff88807fb002e0 R14: ffff88807fb00138 R15: ffffea00007f8888
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000140 CR3: 00000000161d1000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __set_page_dirty+0x7f/0x410 fs/buffer.c:608
 mark_buffer_dirty+0x49a/0x5e0 fs/buffer.c:1170
 nilfs_btree_propagate_p fs/nilfs2/btree.c:1890 [inline]
 nilfs_btree_propagate+0x4ae/0xea0 fs/nilfs2/btree.c:2086
 nilfs_bmap_propagate+0x73/0x170 fs/nilfs2/bmap.c:337
 nilfs_collect_dat_data+0x45/0xd0 fs/nilfs2/segment.c:625
 nilfs_segctor_apply_buffers+0x14a/0x470 fs/nilfs2/segment.c:1009
 nilfs_segctor_scan_file+0x3e4/0x700 fs/nilfs2/segment.c:1058
 nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1224 [inline]
 nilfs_segctor_collect fs/nilfs2/segment.c:1494 [inline]
 nilfs_segctor_do_construct+0x16ee/0x6b20 fs/nilfs2/segment.c:2036
 nilfs_segctor_construct+0x7a7/0xb30 fs/nilfs2/segment.c:2372
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2480 [inline]
 nilfs_segctor_thread+0x3c3/0xf90 fs/nilfs2/segment.c:2563
 kthread+0x3b1/0x4a0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294