NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
------------[ cut here ]------------
WARNING: CPU: 0 PID: 8497 at include/linux/backing-dev.h:286 inode_to_wb include/linux/backing-dev.h:283 [inline]
WARNING: CPU: 0 PID: 8497 at include/linux/backing-dev.h:286 account_page_dirtied+0x4f4/0x5b0 mm/page-writeback.c:2430
Modules linked in:
CPU: 0 PID: 8497 Comm: segctord Not tainted 5.10.0-rc6-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+0x4f4/0x5b0 mm/page-writeback.c:2430
Code: 41 5f 5d e9 de 22 20 00 e8 e9 4f d9 ff 42 80 7c 35 00 00 74 08 48 89 df e8 f9 4f 1b 00 4c 89 23 e9 a6 fe ff ff e8 cc 4f d9 ff <0f> 0b 43 80 3c 2c 00 0f 85 55 fd ff ff e9 58 fd ff ff 89 d9 80 e1
RSP: 0018:ffffc9000132f758 EFLAGS: 00010093
RAX: ffffffff819bcf34 RBX: ffff888032260490 RCX: ffff888028299a40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff819bcc82 R09: fffffbfff1a1c446
R10: fffffbfff1a1c446 R11: 0000000000000000 R12: 1ffff1100644c092
R13: dffffc0000000000 R14: ffff888032260318 R15: ffffea0000601900
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056492a76b0f0 CR3: 00000000123b9000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __set_page_dirty+0x12a/0x380 fs/buffer.c:608
 mark_buffer_dirty+0x227/0x2d0 fs/buffer.c:1137
 nilfs_btree_propagate_p fs/nilfs2/btree.c:1890 [inline]
 nilfs_btree_propagate+0x4e1/0xd60 fs/nilfs2/btree.c:2086
 nilfs_bmap_propagate+0x6d/0x120 fs/nilfs2/bmap.c:337
 nilfs_collect_dat_data+0x49/0xc0 fs/nilfs2/segment.c:630
 nilfs_segctor_apply_buffers fs/nilfs2/segment.c:1014 [inline]
 nilfs_segctor_scan_file+0xa2e/0x1e70 fs/nilfs2/segment.c:1063
 nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1229 [inline]
 nilfs_segctor_collect fs/nilfs2/segment.c:1499 [inline]
 nilfs_segctor_do_construct+0x225b/0x7a00 fs/nilfs2/segment.c:2041
 nilfs_segctor_construct+0x14b/0x940 fs/nilfs2/segment.c:2377
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2485 [inline]
 nilfs_segctor_thread+0x457/0x1040 fs/nilfs2/segment.c:2568
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296