NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
------------[ cut here ]------------
WARNING: CPU: 1 PID: 10138 at include/linux/backing-dev.h:283 inode_to_wb include/linux/backing-dev.h:283 [inline]
WARNING: CPU: 1 PID: 10138 at include/linux/backing-dev.h:283 account_page_dirtied+0x5b8/0x7e0 mm/page-writeback.c:2430
Modules linked in:
CPU: 1 PID: 10138 Comm: segctord Not tainted 5.12.0-rc5-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+0x5b8/0x7e0 mm/page-writeback.c:2430
Code: c1 ea 03 80 3c 02 00 0f 85 11 02 00 00 49 8b 85 a8 01 00 00 be ff ff ff ff 48 8d 78 70 e8 50 b0 b4 06 85 c0 0f 85 fc fb ff ff <0f> 0b e9 f5 fb ff ff 48 89 ee 4c 89 ef e8 56 9a 2c 00 e9 a9 fb ff
RSP: 0018:ffffc9000a96f8d0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff888017b56000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff88aae2e0 RDI: ffffffff88fb9bc0
RBP: ffffea00004070c0 R08: 0000000000000000 R09: ffffffff8c56f2cf
R10: fffffbfff18ade59 R11: 0000000000000001 R12: ffff888030568490
R13: ffff8880305682e8 R14: ffff888030568138 R15: ffffea00004070c8
FS:  0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000053d208 CR3: 0000000010392000 CR4: 0000000000350ee0
Call Trace:
 __set_page_dirty+0x62/0x2a0 fs/buffer.c:608
 mark_buffer_dirty+0x2c2/0x3e0 fs/buffer.c:1137
 nilfs_btree_propagate_p fs/nilfs2/btree.c:1890 [inline]
 nilfs_btree_propagate+0x3f4/0xc80 fs/nilfs2/btree.c:2086
 nilfs_bmap_propagate+0x6e/0x150 fs/nilfs2/bmap.c:337
 nilfs_collect_dat_data+0x3f/0xa0 fs/nilfs2/segment.c:625
 nilfs_segctor_apply_buffers+0x156/0x3f0 fs/nilfs2/segment.c:1009
 nilfs_segctor_scan_file+0x35a/0x6c0 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+0x1377/0x6070 fs/nilfs2/segment.c:2036
 nilfs_segctor_construct+0x637/0x940 fs/nilfs2/segment.c:2372
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2480 [inline]
 nilfs_segctor_thread+0x36d/0xda0 fs/nilfs2/segment.c:2563
 kthread+0x36f/0x450 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294