Warning: Permanently added '10.128.1.41' (ECDSA) to the list of known hosts.
syzkaller login: [   35.521168] IPVS: ftp: loaded support on port[0] = 21
executing program
[   35.726286] F2FS-fs (loop0): Found nat_bits in checkpoint
[   35.765502] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[   35.836475] ------------[ cut here ]------------
[   35.841420] kernel BUG at fs/f2fs/node.c:2780!
[   35.846055] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   35.851406] Modules linked in:
[   35.854583] CPU: 1 PID: 7976 Comm: syz-executor381 Not tainted 4.14.305-syzkaller #0
[   35.862433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
[   35.871761] task: ffff888095866000 task.stack: ffff8880958d0000
[   35.877800] RIP: 0010:destroy_node_manager+0x4f4/0x780
[   35.883051] RSP: 0018:ffff8880958d77b0 EFLAGS: 00010297
[   35.888405] RAX: ffff888095866000 RBX: ffff8880b3e95bf0 RCX: dffffc0000000000
[   35.895653] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880b3e95c14
[   35.902903] RBP: ffff8880b3e95b00 R08: ffffffff8b9df098 R09: 0000000000040586
[   35.910155] R10: ffff8880958668b0 R11: ffff888095866000 R12: ffff8880b3e95c18
[   35.917406] R13: ffffed101661799e R14: ffff8880b3e95bf0 R15: ffff8880b30bccc0
[   35.924657] FS:  00005555567e0300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
[   35.932889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.938767] CR2: 00007f5598f2b140 CR3: 0000000008e6a000 CR4: 00000000003406e0
[   35.946017] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   35.953270] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   35.960517] Call Trace:
[   35.963098]  ? build_node_manager+0x1d50/0x1d50
[   35.967766]  ? trace_hardirqs_on+0x10/0x10
[   35.971985]  ? debug_object_activate+0x292/0x490
[   35.977428]  ? mark_held_locks+0xa6/0xf0
[   35.981476]  ? _raw_spin_unlock_irqrestore+0x79/0xe0
[   35.986572]  ? trace_hardirqs_on_caller+0x3a8/0x580
[   35.991567]  ? debug_object_active_state+0x236/0x330
[   35.996649]  ? mark_held_locks+0xa6/0xf0
[   36.000695]  ? _raw_spin_unlock_irqrestore+0x79/0xe0
[   36.005791]  ? trace_hardirqs_on_caller+0x3a8/0x580
[   36.010796]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[   36.015877]  ? debug_object_active_state+0x236/0x330
[   36.020956]  ? debug_object_free+0x320/0x320
[   36.025339]  ? lock_acquire+0x170/0x3f0
[   36.029300]  ? mark_held_locks+0xa6/0xf0
[   36.033340]  ? check_preemption_disabled+0x35/0x240
[   36.038339]  ? __call_rcu.constprop.0+0x245/0x7d0
[   36.043165]  ? trace_hardirqs_on_caller+0x3a8/0x580
[   36.048172]  ? f2fs_drop_inode+0x7f0/0x7f0
[   36.052407]  ? destroy_inode+0xb9/0x110
[   36.056367]  ? iput+0x458/0x7e0
[   36.059635]  ? f2fs_show_options+0xdf0/0xdf0
[   36.064025]  f2fs_put_super+0x3e1/0x840
[   36.067980]  ? f2fs_quota_off_umount+0xb0/0xb0
[   36.072540]  ? dispose_list+0x1e0/0x1e0
[   36.076505]  ? fsnotify_unmount_inodes+0x1b4/0x210
[   36.081428]  ? f2fs_quota_off_umount+0xb0/0xb0
[   36.085999]  generic_shutdown_super+0x144/0x370
[   36.090646]  kill_block_super+0x95/0xe0
[   36.094596]  deactivate_locked_super+0x6c/0xd0
[   36.099153]  deactivate_super+0x7f/0xa0
[   36.103109]  cleanup_mnt+0x186/0x2c0
[   36.106805]  task_work_run+0x11f/0x190
[   36.110683]  do_exit+0xa44/0x2850
[   36.114128]  ? __do_page_fault+0x571/0xad0
[   36.118347]  ? mm_update_next_owner+0x5b0/0x5b0
[   36.122997]  ? lock_downgrade+0x740/0x740
[   36.127135]  do_group_exit+0x100/0x2e0
[   36.131001]  SyS_exit_group+0x19/0x20
[   36.134778]  ? do_group_exit+0x2e0/0x2e0
[   36.138816]  do_syscall_64+0x1d5/0x640
[   36.142683]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[   36.147850] RIP: 0033:0x7f5598eb29e9
[   36.151538] RSP: 002b:00007ffe1192b3d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   36.159222] RAX: ffffffffffffffda RBX: 00007f5598f2d330 RCX: 00007f5598eb29e9
[   36.166471] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   36.173720] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f5598f27e40
[   36.180965] R10: 00007ffe1192b2f0 R11: 0000000000000246 R12: 00007f5598f2d330
[   36.188228] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   36.195481] Code: 40 6c 00 00 00 00 48 81 c4 d8 03 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 ea 38 89 fe 0f 0b e8 e3 38 89 fe 0f 0b e8 dc 38 89 fe <0f> 0b e8 d5 38 89 fe 0f 0b e8 ce 38 89 fe 48 8b 7c 24 28 e8 e4 
[   36.214596] RIP: destroy_node_manager+0x4f4/0x780 RSP: ffff8880958d77b0
[   36.221602] ---[ end trace 4730587add241222 ]---
[   36.226360] Kernel panic - not syncing: Fatal exception
[   36.231986] Kernel Offset: disabled
[   36.235600] Rebooting in 86400 seconds..