Warning: Permanently added '10.128.10.16' (ECDSA) to the list of known hosts. executing program [ 30.226180] IPVS: ftp: loaded support on port[0] = 21 [ 30.274206] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 30.289414] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 [ 30.300383] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 30.311265] Remounting filesystem read-only [ 30.316365] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 [ 30.326209] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16) [ 30.335030] NILFS (loop0): error -5 truncating bmap (ino=16) [ 30.345829] ------------[ cut here ]------------ [ 30.350805] WARNING: CPU: 1 PID: 7991 at include/linux/backing-dev.h:335 account_page_dirtied+0x8df/0xbb0 [ 30.360498] Kernel panic - not syncing: panic_on_warn set ... [ 30.360498] [ 30.367847] CPU: 1 PID: 7991 Comm: syz-executor163 Not tainted 4.14.295-syzkaller #0 [ 30.375704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 30.385038] Call Trace: [ 30.387625] dump_stack+0x1b2/0x281 [ 30.391233] panic+0x1f9/0x42d [ 30.394436] ? add_taint.cold+0x16/0x16 [ 30.398394] ? account_page_dirtied+0x8df/0xbb0 [ 30.403042] ? account_page_dirtied+0x8df/0xbb0 [ 30.407688] __warn.cold+0x20/0x44 [ 30.411211] ? ist_end_non_atomic+0x10/0x10 [ 30.415514] ? account_page_dirtied+0x8df/0xbb0 [ 30.420164] report_bug+0x208/0x250 [ 30.423771] do_error_trap+0x195/0x2d0 [ 30.427656] ? math_error+0x2d0/0x2d0 [ 30.431438] ? deactivate_locked_super+0x6c/0xd0 [ 30.436189] ? deactivate_super+0x7f/0xa0 [ 30.440318] ? cleanup_mnt+0x186/0x2c0 [ 30.444189] ? trace_hardirqs_on+0x10/0x10 [ 30.448408] ? trace_hardirqs_on+0x10/0x10 [ 30.452627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.457454] invalid_op+0x1b/0x40 [ 30.460897] RIP: 0010:account_page_dirtied+0x8df/0xbb0 [ 30.466157] RSP: 0018:ffff8880b3547640 EFLAGS: 00010097 [ 30.471509] RAX: ffff8880b3178480 RBX: ffff8880aec00c00 RCX: 1ffffffff127a5d4 [ 30.478775] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000086 [ 30.486048] RBP: ffff88808d335b58 R08: ffffffff8ba5df3c R09: 0000000000001cbe [ 30.493296] R10: 0000000000000001 R11: ffff8880b3178480 R12: ffffea0002d100c0 [ 30.500569] R13: ffff88808d3359c8 R14: ffff88808d3359c8 R15: ffffea0002d100e0 [ 30.507853] __set_page_dirty+0x77/0x2a0 [ 30.511897] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 30.517327] mark_buffer_dirty+0x307/0x480 [ 30.521546] nilfs_btree_propagate+0x3a3/0xc20 [ 30.526112] nilfs_bmap_propagate+0x73/0x160 [ 30.530505] nilfs_collect_dat_data+0x41/0xb0 [ 30.534992] nilfs_segctor_apply_buffers+0x191/0x450 [ 30.540075] ? nilfs_collect_file_bmap+0x70/0x70 [ 30.544812] nilfs_segctor_scan_file+0x366/0x630 [ 30.549559] ? nilfs_collect_file_data+0xb0/0xb0 [ 30.554295] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 30.559744] nilfs_segctor_do_construct+0x1420/0x78d0 [ 30.564921] ? nilfs_segctor_scan_file+0x630/0x630 [ 30.569830] ? lock_acquire+0x170/0x3f0 [ 30.573783] ? lock_downgrade+0x740/0x740 [ 30.577921] ? do_raw_spin_unlock+0x164/0x220 [ 30.582405] ? _raw_spin_unlock+0x29/0x40 [ 30.586535] nilfs_segctor_construct+0x6db/0x8e0 [ 30.591273] nilfs_detach_log_writer+0x398/0x980 [ 30.596010] ? nilfs_clean_segments+0x990/0x990 [ 30.600661] ? dispose_list+0x11c/0x1e0 [ 30.604618] ? wait_woken+0x230/0x230 [ 30.608398] ? dispose_list+0x1e0/0x1e0 [ 30.612355] nilfs_put_super+0x3f/0x190 [ 30.616312] ? nilfs_freeze+0xb0/0xb0 [ 30.620103] generic_shutdown_super+0x144/0x370 [ 30.624754] kill_block_super+0x95/0xe0 [ 30.628709] deactivate_locked_super+0x6c/0xd0 [ 30.633274] deactivate_super+0x7f/0xa0 [ 30.637232] cleanup_mnt+0x186/0x2c0 [ 30.640929] task_work_run+0x11f/0x190 [ 30.644798] do_exit+0xa44/0x2850 [ 30.648235] ? __do_page_fault+0x571/0xad0 [ 30.652450] ? mm_update_next_owner+0x5b0/0x5b0 [ 30.657123] ? lock_downgrade+0x740/0x740 [ 30.661258] do_group_exit+0x100/0x2e0 [ 30.665126] SyS_exit_group+0x19/0x20 [ 30.668910] ? do_group_exit+0x2e0/0x2e0 [ 30.672948] do_syscall_64+0x1d5/0x640 [ 30.676818] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.681986] RIP: 0033:0x7ff0aea73b89 [ 30.685674] RSP: 002b:00007ffd3ceced98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 30.693362] RAX: ffffffffffffffda RBX: 00007ff0aeaeb330 RCX: 00007ff0aea73b89 [ 30.700612] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 30.707861] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007ff0aeae5e40 [ 30.715117] R10: 00007ffd3cececb0 R11: 0000000000000246 R12: 00007ff0aeaeb330 [ 30.722456] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 30.730127] Kernel Offset: disabled [ 30.733804] Rebooting in 86400 seconds..