Warning: Permanently added '10.128.0.166' (ECDSA) to the list of known hosts.
executing program
[   27.219717] NILFS error (device loop0): nilfs_check_page: bad entry in directory #12: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, name_len=0
[   27.234467] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   27.245673] Remounting filesystem read-only
[   27.252391] ------------[ cut here ]------------
[   27.257210] WARNING: CPU: 0 PID: 7973 at include/linux/backing-dev.h:335 account_page_dirtied+0x8df/0xbb0
[   27.266890] Kernel panic - not syncing: panic_on_warn set ...
[   27.266890] 
[   27.274229] CPU: 0 PID: 7973 Comm: syz-executor191 Not tainted 4.14.295-syzkaller #0
[   27.282084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
[   27.291414] Call Trace:
[   27.294008]  dump_stack+0x1b2/0x281
[   27.297624]  panic+0x1f9/0x42d
[   27.300792]  ? add_taint.cold+0x16/0x16
[   27.304755]  ? account_page_dirtied+0x8df/0xbb0
[   27.309399]  ? account_page_dirtied+0x8df/0xbb0
[   27.314039]  __warn.cold+0x20/0x44
[   27.317553]  ? ist_end_non_atomic+0x10/0x10
[   27.321865]  ? account_page_dirtied+0x8df/0xbb0
[   27.326507]  report_bug+0x208/0x250
[   27.330120]  do_error_trap+0x195/0x2d0
[   27.333985]  ? math_error+0x2d0/0x2d0
[   27.337765]  ? trace_hardirqs_on+0x10/0x10
[   27.341977]  ? trace_hardirqs_on+0x10/0x10
[   27.346188]  ? trace_hardirqs_on+0x10/0x10
[   27.350398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   27.355217]  invalid_op+0x1b/0x40
[   27.358644] RIP: 0010:account_page_dirtied+0x8df/0xbb0
[   27.363892] RSP: 0018:ffff8880914972e0 EFLAGS: 00010097
[   27.369230] RAX: ffff888097302080 RBX: ffff8880aecda280 RCX: 1ffffffff127a5d4
[   27.376474] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000086
[   27.383726] RBP: ffff88808ddfc4b8 R08: ffffffff8b9c78d0 R09: 00000000000c023b
[   27.390971] R10: ffff8880973029f8 R11: ffff888097302080 R12: ffffea0002bc4600
[   27.398217] R13: ffff88808ddfc328 R14: ffff88808ddfc328 R15: ffffea0002bc4620
[   27.405478]  __set_page_dirty+0x77/0x2a0
[   27.409516]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   27.414941]  mark_buffer_dirty+0x307/0x480
[   27.419153]  nilfs_btree_convert_and_insert+0xd33/0x1070
[   27.424581]  ? up_read+0x17/0x30
[   27.427922]  ? nilfs_btree_last_key+0x560/0x560
[   27.432565]  ? lock_acquire+0x170/0x3f0
[   27.436511]  ? nilfs_bmap_insert+0x81/0x380
[   27.440808]  nilfs_bmap_insert+0x242/0x380
[   27.445017]  ? nilfs_bmap_lookup_contig+0x170/0x170
[   27.450014]  ? nilfs_ifile_read+0x170/0x170
[   27.454308]  nilfs_mdt_get_block+0x4a1/0xb90
[   27.458693]  ? nilfs_ifile_read+0x170/0x170
[   27.462990]  ? nilfs_mdt_read_block+0x320/0x320
[   27.467636]  ? lock_downgrade+0x740/0x740
[   27.471758]  ? nilfs_ifile_read+0x170/0x170
[   27.476053]  nilfs_palloc_get_block+0xb2/0x250
[   27.480612]  nilfs_palloc_prepare_alloc_entry+0x235/0x950
[   27.486128]  ? nilfs_palloc_count_max_entries+0x240/0x240
[   27.491638]  ? new_inode+0xc7/0xf0
[   27.495154]  nilfs_ifile_create_inode+0x74/0x1e0
[   27.499885]  ? nilfs_sufile_read+0x530/0x530
[   27.504274]  ? _raw_spin_unlock+0x29/0x40
[   27.508396]  nilfs_new_inode+0x1c4/0x6f0
[   27.512433]  ? nilfs_transaction_begin+0x221/0xa00
[   27.517341]  ? nilfs_set_inode_flags+0xb0/0xb0
[   27.521896]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   27.527322]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   27.532315]  ? nilfs_transaction_begin+0x274/0xa00
[   27.537221]  nilfs_create+0xd2/0x2a0
[   27.540907]  ? nilfs_get_dentry+0x160/0x160
[   27.545205]  ? nilfs_get_dentry+0x160/0x160
[   27.549499]  lookup_open+0x77a/0x1750
[   27.553279]  ? vfs_mkdir+0x6e0/0x6e0
[   27.556972]  path_openat+0xe08/0x2970
[   27.560751]  ? path_lookupat+0x780/0x780
[   27.564789]  ? trace_hardirqs_on+0x10/0x10
[   27.568997]  ? __lock_acquire+0x5fc/0x3f20
[   27.573208]  do_filp_open+0x179/0x3c0
[   27.576983]  ? may_open_dev+0xe0/0xe0
[   27.580761]  ? lock_downgrade+0x740/0x740
[   27.584882]  ? do_raw_spin_unlock+0x164/0x220
[   27.589354]  ? _raw_spin_unlock+0x29/0x40
[   27.593478]  ? __alloc_fd+0x1be/0x490
[   27.597257]  do_sys_open+0x296/0x410
[   27.600945]  ? filp_open+0x60/0x60
[   27.604458]  ? __close_fd+0x159/0x230
[   27.608234]  ? do_syscall_64+0x4c/0x640
[   27.612182]  ? compat_SyS_openat+0x30/0x30
[   27.616394]  do_syscall_64+0x1d5/0x640
[   27.620257]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   27.625420] RIP: 0033:0x7f698d6112d9
[   27.629110] RSP: 002b:00007fff8ceff9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[   27.636791] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f698d6112d9
[   27.644038] RDX: 00007f698d5cf873 RSI: 0000000000000000 RDI: 0000000020000040
[   27.651284] RBP: 00007f698d5d0b40 R08: 00005555566292c0 R09: 0000000000000000
[   27.658529] R10: 00007fff8ceff880 R11: 0000000000000246 R12: 00007f698d5d0bd0
[   27.665772] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   27.673318] Kernel Offset: disabled
[   27.677014] Rebooting in 86400 seconds..