Warning: Permanently added '10.128.0.106' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 29.122727] NILFS (loop0): invalid segment: Checksum error in segment payload [ 29.130516] NILFS (loop0): trying rollback from an earlier position [ 29.140527] NILFS (loop0): recovery complete [ 29.146591] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 29.163466] ------------[ cut here ]------------ [ 29.168378] WARNING: CPU: 0 PID: 7978 at include/linux/backing-dev.h:335 account_page_dirtied+0x8df/0xbb0 [ 29.178167] Kernel panic - not syncing: panic_on_warn set ... [ 29.178167] [ 29.185631] CPU: 0 PID: 7978 Comm: syz-executor101 Not tainted 4.14.295-syzkaller #0 [ 29.193484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 29.202813] Call Trace: [ 29.205382] dump_stack+0x1b2/0x281 [ 29.208989] panic+0x1f9/0x42d [ 29.212165] ? add_taint.cold+0x16/0x16 [ 29.216123] ? account_page_dirtied+0x8df/0xbb0 [ 29.220799] ? account_page_dirtied+0x8df/0xbb0 [ 29.225444] __warn.cold+0x20/0x44 [ 29.228959] ? ist_end_non_atomic+0x10/0x10 [ 29.233255] ? account_page_dirtied+0x8df/0xbb0 [ 29.237908] report_bug+0x208/0x250 [ 29.241513] do_error_trap+0x195/0x2d0 [ 29.245378] ? math_error+0x2d0/0x2d0 [ 29.249168] ? trace_hardirqs_on+0x10/0x10 [ 29.253393] ? lock_downgrade+0x740/0x740 [ 29.257522] ? trace_hardirqs_on+0x10/0x10 [ 29.261743] ? trace_hardirqs_on+0x10/0x10 [ 29.265962] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.270787] invalid_op+0x1b/0x40 [ 29.274221] RIP: 0010:account_page_dirtied+0x8df/0xbb0 [ 29.279470] RSP: 0018:ffff8880a2a3f258 EFLAGS: 00010097 [ 29.284816] RAX: ffff888096ee0300 RBX: ffff8880aec382c0 RCX: 1ffffffff127a5d4 [ 29.292062] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000086 [ 29.299307] RBP: ffff88808df59b58 R08: ffffffff8ba5d9fc R09: 0000000000001c98 [ 29.306553] R10: 0000000000000001 R11: ffff888096ee0300 R12: ffffea0002d5ec40 [ 29.313800] R13: ffff88808df599c8 R14: ffff88808df599c8 R15: ffffea0002d5ec60 [ 29.321057] ? account_page_dirtied+0x8df/0xbb0 [ 29.325703] __set_page_dirty+0x77/0x2a0 [ 29.329742] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.335235] mark_buffer_dirty+0x307/0x480 [ 29.339570] nilfs_btree_convert_and_insert+0xd33/0x1070 [ 29.345000] ? up_read+0x17/0x30 [ 29.348342] ? nilfs_btree_last_key+0x560/0x560 [ 29.352985] ? lock_acquire+0x170/0x3f0 [ 29.357033] ? nilfs_bmap_insert+0x81/0x380 [ 29.361331] ? nilfs_direct_gather_data+0xc6/0x130 [ 29.366326] nilfs_bmap_insert+0x242/0x380 [ 29.370561] ? nilfs_bmap_lookup_contig+0x170/0x170 [ 29.375563] nilfs_mdt_get_block+0x4a1/0xb90 [ 29.379952] ? nilfs_mdt_read_block+0x320/0x320 [ 29.384596] ? lock_downgrade+0x740/0x740 [ 29.388723] nilfs_palloc_get_block+0xb2/0x250 [ 29.393299] nilfs_palloc_get_entry_block+0x17d/0x230 [ 29.398471] nilfs_dat_prepare_alloc+0x57/0xa0 [ 29.403031] ? nilfs_bmap_find_target_in_group+0xe/0x170 [ 29.408463] nilfs_direct_insert+0x2db/0x390 [ 29.412850] ? nilfs_direct_delete+0x250/0x250 [ 29.417410] nilfs_bmap_insert+0x21b/0x380 [ 29.421638] ? nilfs_direct_last_key+0xc0/0xc0 [ 29.426201] ? nilfs_bmap_lookup_contig+0x170/0x170 [ 29.431192] ? nilfs_get_block+0x210/0x7a0 [ 29.435407] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.440845] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.445838] ? nilfs_transaction_begin+0x274/0xa00 [ 29.450744] nilfs_get_block+0x434/0x7a0 [ 29.454785] ? __nilfs_mark_inode_dirty+0x1d0/0x1d0 [ 29.459783] ? create_empty_buffers+0x282/0x470 [ 29.464426] ? do_raw_spin_unlock+0x164/0x220 [ 29.468895] ? _raw_spin_unlock+0x29/0x40 [ 29.473015] ? create_page_buffers+0xce/0x1c0 [ 29.477486] __block_write_begin_int+0x35c/0x11d0 [ 29.482303] ? __nilfs_mark_inode_dirty+0x1d0/0x1d0 [ 29.487297] ? __breadahead_gfp+0x150/0x150 [ 29.491595] ? wait_for_stable_page+0xe3/0x260 [ 29.496156] ? __nilfs_mark_inode_dirty+0x1d0/0x1d0 [ 29.501147] block_write_begin+0x58/0x270 [ 29.505272] nilfs_write_begin+0x95/0x1c0 [ 29.509397] generic_perform_write+0x1c9/0x420 [ 29.513973] ? filemap_page_mkwrite+0x2d0/0x2d0 [ 29.518618] ? current_time+0xb0/0xb0 [ 29.522397] ? lock_acquire+0x170/0x3f0 [ 29.526347] __generic_file_write_iter+0x227/0x590 [ 29.531272] generic_file_write_iter+0x36f/0x650 [ 29.536006] ? iov_iter_init+0xa6/0x1c0 [ 29.539959] __vfs_write+0x44c/0x630 [ 29.543651] ? kernel_read+0x110/0x110 [ 29.547522] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.552514] vfs_write+0x17f/0x4d0 [ 29.556029] SyS_write+0xf2/0x210 [ 29.559458] ? SyS_read+0x210/0x210 [ 29.563058] ? __close_fd+0x159/0x230 [ 29.566833] ? do_syscall_64+0x4c/0x640 [ 29.570790] ? SyS_read+0x210/0x210 [ 29.574392] do_syscall_64+0x1d5/0x640 [ 29.578258] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.583424] RIP: 0033:0x7f711317d359 [ 29.587113] RSP: 002b:00007ffe66588a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 29.594802] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f711317d359 [ 29.602049] RDX: 0000000000000050 RSI: 00000000200005c0 RDI: 0000000000000003 [ 29.609384] RBP: 00007f711313cbc0 R08: 0000000000000000 R09: 0000000000000000 [ 29.616634] R10: 0000000000007372 R11: 0000000000000246 R12: 00007f711313cc50 [ 29.623884] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.631472] Kernel Offset: disabled [ 29.635149] Rebooting in 86400 seconds..