Warning: Permanently added '10.128.15.193' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   30.205470] IPVS: ftp: loaded support on port[0] = 21
[   30.252175] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   30.272430] ------------[ cut here ]------------
[   30.277319] WARNING: CPU: 1 PID: 7994 at include/linux/backing-dev.h:335 account_page_dirtied+0x8df/0xbb0
[   30.287009] Kernel panic - not syncing: panic_on_warn set ...
[   30.287009] 
[   30.294354] CPU: 1 PID: 7994 Comm: segctord Not tainted 4.14.295-syzkaller #0
[   30.301610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
[   30.310946] Call Trace:
[   30.313518]  dump_stack+0x1b2/0x281
[   30.317125]  panic+0x1f9/0x42d
[   30.320308]  ? add_taint.cold+0x16/0x16
[   30.324271]  ? account_page_dirtied+0x8df/0xbb0
[   30.328927]  ? account_page_dirtied+0x8df/0xbb0
[   30.333577]  __warn.cold+0x20/0x44
[   30.337208]  ? ist_end_non_atomic+0x10/0x10
[   30.341524]  ? account_page_dirtied+0x8df/0xbb0
[   30.346178]  report_bug+0x208/0x250
[   30.349793]  do_error_trap+0x195/0x2d0
[   30.353659]  ? math_error+0x2d0/0x2d0
[   30.357440]  ? trace_hardirqs_on+0x10/0x10
[   30.361657]  ? trace_hardirqs_on+0x10/0x10
[   30.365879]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   30.370708]  invalid_op+0x1b/0x40
[   30.374147] RIP: 0010:account_page_dirtied+0x8df/0xbb0
[   30.379400] RSP: 0018:ffff8880b343f908 EFLAGS: 00010097
[   30.384741] RAX: ffff8880b329e340 RBX: ffff8880af3ef380 RCX: 1ffffffff127a5d4
[   30.392002] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000086
[   30.399259] RBP: ffff88808df38b58 R08: ffffffff8ba5d75c R09: 0000000000001cd2
[   30.406510] R10: 0000000000000001 R11: ffff8880b329e340 R12: ffffea0002ba5940
[   30.413763] R13: ffff88808df389c8 R14: ffff88808df389c8 R15: ffffea0002ba5960
[   30.421036]  ? account_page_dirtied+0x8df/0xbb0
[   30.425688]  __set_page_dirty+0x77/0x2a0
[   30.429731]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   30.435159]  mark_buffer_dirty+0x307/0x480
[   30.439373]  nilfs_btree_propagate+0x3a3/0xc20
[   30.443935]  nilfs_bmap_propagate+0x73/0x160
[   30.448337]  nilfs_collect_dat_data+0x41/0xb0
[   30.452824]  nilfs_segctor_apply_buffers+0x191/0x450
[   30.457926]  ? nilfs_collect_file_bmap+0x70/0x70
[   30.462678]  nilfs_segctor_scan_file+0x3dd/0x630
[   30.467416]  ? nilfs_collect_file_data+0xb0/0xb0
[   30.472156]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   30.477591]  nilfs_segctor_do_construct+0x1420/0x78d0
[   30.482776]  ? nilfs_segctor_scan_file+0x630/0x630
[   30.487686]  ? lock_acquire+0x170/0x3f0
[   30.491637]  ? lock_downgrade+0x740/0x740
[   30.495763]  ? do_raw_spin_unlock+0x164/0x220
[   30.500237]  ? _raw_spin_unlock+0x29/0x40
[   30.504364]  nilfs_segctor_construct+0x6db/0x8e0
[   30.509101]  nilfs_segctor_thread+0x3ad/0xdb0
[   30.513579]  ? nilfs_segctor_construct+0x8e0/0x8e0
[   30.518483]  ? __schedule+0x1450/0x1de0
[   30.522439]  ? wait_woken+0x230/0x230
[   30.526216]  ? nilfs_segctor_construct+0x8e0/0x8e0
[   30.531122]  kthread+0x30d/0x420
[   30.534464]  ? kthread_create_on_node+0xd0/0xd0
[   30.539111]  ret_from_fork+0x24/0x30
[   30.543049] Kernel Offset: disabled
[   30.546718] Rebooting in 86400 seconds..