Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
WARNING: CPU: 0 PID: 5094 at include/linux/backing-dev.h:342 inode_to_wb include/linux/backing-dev.h:339 [inline]
WARNING: CPU: 0 PID: 5094 at include/linux/backing-dev.h:342 account_page_dirtied+0x795/0xa30 mm/page-writeback.c:2416
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 5094 Comm: syz-executor.2 Not tainted 4.19.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x15a/0x20a lib/dump_stack.c:113
 panic+0x1c6/0x36b kernel/panic.c:184
 __warn.cold.7+0x1b/0x38 kernel/panic.c:536
 report_bug+0x1a1/0x200 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x200/0x350 arch/x86/kernel/traps.c:296
NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993
RIP: 0010:inode_to_wb include/linux/backing-dev.h:339 [inline]
RIP: 0010:account_page_dirtied+0x795/0xa30 mm/page-writeback.c:2416
Code: c1 ea 03 80 3c 02 00 0f 85 38 02 00 00 49 8b 87 88 01 00 00 be ff ff ff ff 48 8d 78 70 e8 13 58 d8 ff 85 c0 0f 85 18 fa ff ff <0f> 0b e9 11 fa ff ff 4c 89 ee 4c 89 ff e8 89 c5 24 00 e9 c2 f9 ff
RSP: 0018:ffff8800ac466fe0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8800a0f40430 RCX: ffffed00159a2430
RDX: 1ffffffff0ad30e1 RSI: 0000000000000000 RDI: 0000000000000086
RBP: ffff8800ac467010 R08: 1ffff100159a2430 R09: ffffed00141e8086
R10: ffffed00141e8086 R11: ffff8800a0f40437 R12: ffff8800b2bb9980
R13: ffffea0002bed9c0 R14: ffff8800a0f40120 R15: ffff8800a0f402a8
 __set_page_dirty+0x6d/0x2f0 fs/buffer.c:581
 mark_buffer_dirty+0x2cc/0x430 fs/buffer.c:1110
 nilfs_btree_do_insert fs/nilfs2/btree.c:811 [inline]
 nilfs_btree_do_insert+0x265/0x3c0 fs/nilfs2/btree.c:798
 nilfs_btree_commit_insert fs/nilfs2/btree.c:1212 [inline]
 nilfs_btree_insert+0xfec/0x1d90 fs/nilfs2/btree.c:1240
 nilfs_bmap_do_insert fs/nilfs2/bmap.c:121 [inline]
 nilfs_bmap_insert+0x236/0x3f0 fs/nilfs2/bmap.c:147
 nilfs_mdt_insert_new_block fs/nilfs2/mdt.c:44 [inline]
 nilfs_mdt_create_block fs/nilfs2/mdt.c:93 [inline]
 nilfs_mdt_get_block+0x37c/0x910 fs/nilfs2/mdt.c:254
 nilfs_palloc_get_block.isra.5+0x97/0x270 fs/nilfs2/alloc.c:216
 nilfs_palloc_get_entry_block+0x8c/0xc0 fs/nilfs2/alloc.c:318
 nilfs_dat_prepare_entry fs/nilfs2/dat.c:43 [inline]
 nilfs_dat_prepare_alloc fs/nilfs2/dat.c:69 [inline]
 nilfs_dat_prepare_alloc+0x45/0x80 fs/nilfs2/dat.c:61
 nilfs_bmap_prepare_alloc_ptr fs/nilfs2/bmap.h:183 [inline]
 nilfs_direct_insert+0x32a/0x4d0 fs/nilfs2/direct.c:122
 nilfs_bmap_do_insert fs/nilfs2/bmap.c:121 [inline]
 nilfs_bmap_insert+0x236/0x3f0 fs/nilfs2/bmap.c:147
 nilfs_get_block+0x4a2/0x8c0 fs/nilfs2/inode.c:96
 __block_write_begin_int+0x393/0x1ad0 fs/buffer.c:1966
 __block_write_begin fs/buffer.c:2016 [inline]
 block_write_begin+0x48/0x180 fs/buffer.c:2075
 nilfs_write_begin+0x96/0x130 fs/nilfs2/inode.c:267
 generic_perform_write+0x22f/0x480 mm/filemap.c:3139
 __generic_file_write_iter+0x252/0x510 mm/filemap.c:3232
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3292
 call_write_iter include/linux/fs.h:1808 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x3c4/0x750 fs/read_write.c:487
 vfs_write+0x150/0x4d0 fs/read_write.c:549
 ksys_write+0xcd/0x1b0 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x6e/0xb0 fs/read_write.c:607
 do_syscall_64+0xd0/0x540 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fedf1c52ae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fede94b40c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fedf1d72050 RCX: 00007fedf1c52ae9
RDX: 00000000000000a0 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007fedf1c9e47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fedf1d72050 R15: 00007ffe9ea70938
Kernel Offset: disabled
Rebooting in 86400 seconds..