NILFS (loop0): trying rollback from an earlier position
NILFS (loop0): recovery complete
NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7978 at include/linux/backing-dev.h:335 inode_to_wb include/linux/backing-dev.h:335 [inline]
WARNING: CPU: 0 PID: 7978 at include/linux/backing-dev.h:335 account_page_dirtied+0x8df/0xbb0 mm/page-writeback.c:2437
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7978 Comm: syz-executor101 Not tainted 4.14.295-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:inode_to_wb include/linux/backing-dev.h:335 [inline]
RIP: 0010:account_page_dirtied+0x8df/0xbb0 mm/page-writeback.c:2437
RSP: 0018:ffff8880a2a3f258 EFLAGS: 00010097
RAX: ffff888096ee0300 RBX: ffff8880aec382c0 RCX: 1ffffffff127a5d4
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000086
RBP: ffff88808df59b58 R08: ffffffff8ba5d9fc R09: 0000000000001c98
R10: 0000000000000001 R11: ffff888096ee0300 R12: ffffea0002d5ec40
R13: ffff88808df599c8 R14: ffff88808df599c8 R15: ffffea0002d5ec60
 __set_page_dirty+0x77/0x2a0 fs/buffer.c:634
 mark_buffer_dirty+0x307/0x480 fs/buffer.c:1173
 nilfs_btree_commit_convert_and_insert fs/nilfs2/btree.c:1821 [inline]
 nilfs_btree_convert_and_insert+0xd33/0x1070 fs/nilfs2/btree.c:1886
 nilfs_bmap_do_insert fs/nilfs2/bmap.c:120 [inline]
 nilfs_bmap_insert+0x242/0x380 fs/nilfs2/bmap.c:156
 nilfs_mdt_insert_new_block fs/nilfs2/mdt.c:53 [inline]
 nilfs_mdt_create_block fs/nilfs2/mdt.c:102 [inline]
 nilfs_mdt_get_block+0x4a1/0xb90 fs/nilfs2/mdt.c:263
 nilfs_palloc_get_block+0xb2/0x250 fs/nilfs2/alloc.c:225
 nilfs_palloc_get_entry_block+0x17d/0x230 fs/nilfs2/alloc.c:327
 nilfs_dat_prepare_entry fs/nilfs2/dat.c:52 [inline]
 nilfs_dat_prepare_alloc fs/nilfs2/dat.c:78 [inline]
 nilfs_dat_prepare_alloc+0x57/0xa0 fs/nilfs2/dat.c:70
 nilfs_bmap_prepare_alloc_ptr fs/nilfs2/bmap.h:192 [inline]
 nilfs_direct_insert+0x2db/0x390 fs/nilfs2/direct.c:131
 nilfs_bmap_do_insert fs/nilfs2/bmap.c:130 [inline]
 nilfs_bmap_insert+0x21b/0x380 fs/nilfs2/bmap.c:156
 nilfs_get_block+0x434/0x7a0 fs/nilfs2/inode.c:105
 __block_write_begin_int+0x35c/0x11d0 fs/buffer.c:2038
 __block_write_begin fs/buffer.c:2088 [inline]
 block_write_begin+0x58/0x270 fs/buffer.c:2147
 nilfs_write_begin+0x95/0x1c0 fs/nilfs2/inode.c:276
 generic_perform_write+0x1c9/0x420 mm/filemap.c:3055
 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180
 generic_file_write_iter+0x36f/0x650 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x44c/0x630 fs/read_write.c:482
 vfs_write+0x17f/0x4d0 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xf2/0x210 fs/read_write.c:582
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f711317d359
RSP: 002b:00007ffe66588a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f711317d359
RDX: 0000000000000050 RSI: 00000000200005c0 RDI: 0000000000000003
RBP: 00007f711313cbc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000007372 R11: 0000000000000246 R12: 00007f711313cc50
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..