Warning: Permanently added '10.128.1.26' (ECDSA) to the list of known hosts. executing program [ 28.479112] IPVS: ftp: loaded support on port[0] = 21 [ 28.550152] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 28.563218] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 [ 28.573204] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 28.582965] Remounting filesystem read-only [ 28.587681] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 [ 28.597201] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 28.605637] NILFS (loop0): error -5 truncating bmap (ino=16) [ 28.615804] ------------[ cut here ]------------ [ 28.620707] WARNING: CPU: 0 PID: 7980 at include/linux/backing-dev.h:335 account_page_dirtied+0x8df/0xbb0 [ 28.630395] Kernel panic - not syncing: panic_on_warn set ... [ 28.630395] [ 28.637738] CPU: 0 PID: 7980 Comm: syz-executor172 Not tainted 4.14.295-syzkaller #0 [ 28.645595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 28.654929] Call Trace: [ 28.657504] dump_stack+0x1b2/0x281 [ 28.661111] panic+0x1f9/0x42d [ 28.664282] ? add_taint.cold+0x16/0x16 [ 28.668249] ? account_page_dirtied+0x8df/0xbb0 [ 28.672915] ? account_page_dirtied+0x8df/0xbb0 [ 28.677579] __warn.cold+0x20/0x44 [ 28.681101] ? ist_end_non_atomic+0x10/0x10 [ 28.685416] ? account_page_dirtied+0x8df/0xbb0 [ 28.690083] report_bug+0x208/0x250 [ 28.693696] do_error_trap+0x195/0x2d0 [ 28.697566] ? math_error+0x2d0/0x2d0 [ 28.701353] ? deactivate_locked_super+0x6c/0xd0 [ 28.706100] ? deactivate_super+0x7f/0xa0 [ 28.710231] ? cleanup_mnt+0x186/0x2c0 [ 28.714102] ? trace_hardirqs_on+0x10/0x10 [ 28.718323] ? trace_hardirqs_on+0x10/0x10 [ 28.722542] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.727375] invalid_op+0x1b/0x40 [ 28.730819] RIP: 0010:account_page_dirtied+0x8df/0xbb0 [ 28.736071] RSP: 0018:ffff8880b337f640 EFLAGS: 00010097 [ 28.741421] RAX: ffff888096e38580 RBX: ffff8880af3c2ac0 RCX: 1ffffffff127a5d4 [ 28.748701] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000086 [ 28.755960] RBP: ffff88808e39db58 R08: ffffffff8ba5d9fc R09: 0000000000001ca6 [ 28.763213] R10: 0000000000000001 R11: ffff888096e38580 R12: ffffea0002d1b600 [ 28.770462] R13: ffff88808e39d9c8 R14: ffff88808e39d9c8 R15: ffffea0002d1b620 [ 28.777728] __set_page_dirty+0x77/0x2a0 [ 28.781769] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 28.787197] mark_buffer_dirty+0x307/0x480 [ 28.791409] nilfs_btree_propagate+0x3a3/0xc20 [ 28.795976] nilfs_bmap_propagate+0x73/0x160 [ 28.800361] nilfs_collect_dat_data+0x41/0xb0 [ 28.804833] nilfs_segctor_apply_buffers+0x191/0x450 [ 28.809913] ? nilfs_collect_file_bmap+0x70/0x70 [ 28.814665] nilfs_segctor_scan_file+0x366/0x630 [ 28.819414] ? nilfs_collect_file_data+0xb0/0xb0 [ 28.824150] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 28.829582] nilfs_segctor_do_construct+0x1420/0x78d0 [ 28.834762] ? nilfs_segctor_scan_file+0x630/0x630 [ 28.839668] ? lock_acquire+0x170/0x3f0 [ 28.843618] ? lock_downgrade+0x740/0x740 [ 28.847745] ? do_raw_spin_unlock+0x164/0x220 [ 28.852216] ? _raw_spin_unlock+0x29/0x40 [ 28.856454] nilfs_segctor_construct+0x6db/0x8e0 [ 28.861190] nilfs_detach_log_writer+0x398/0x980 [ 28.865945] ? nilfs_clean_segments+0x990/0x990 [ 28.870592] ? dispose_list+0x11c/0x1e0 [ 28.874548] ? wait_woken+0x230/0x230 [ 28.878341] ? dispose_list+0x1e0/0x1e0 [ 28.882313] nilfs_put_super+0x3f/0x190 [ 28.886282] ? nilfs_freeze+0xb0/0xb0 [ 28.890072] generic_shutdown_super+0x144/0x370 [ 28.894740] kill_block_super+0x95/0xe0 [ 28.898701] deactivate_locked_super+0x6c/0xd0 [ 28.903267] deactivate_super+0x7f/0xa0 [ 28.907242] cleanup_mnt+0x186/0x2c0 [ 28.910943] task_work_run+0x11f/0x190 [ 28.914822] do_exit+0xa44/0x2850 [ 28.918261] ? __do_page_fault+0x571/0xad0 [ 28.922480] ? mm_update_next_owner+0x5b0/0x5b0 [ 28.927130] ? lock_downgrade+0x740/0x740 [ 28.931263] do_group_exit+0x100/0x2e0 [ 28.935142] SyS_exit_group+0x19/0x20 [ 28.939792] ? do_group_exit+0x2e0/0x2e0 [ 28.943851] do_syscall_64+0x1d5/0x640 [ 28.947752] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.952934] RIP: 0033:0x7f8388a3cb89 [ 28.956625] RSP: 002b:00007ffe9214c028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 28.964369] RAX: ffffffffffffffda RBX: 00007f8388ab4330 RCX: 00007f8388a3cb89 [ 28.971635] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 28.978888] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f8388aaee40 [ 28.986139] R10: 00007ffe9214bf40 R11: 0000000000000246 R12: 00007f8388ab4330 [ 28.993387] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 29.001013] Kernel Offset: disabled [ 29.004688] Rebooting in 86400 seconds..