DUID 00:04:80:46:6d:cf:4f:d2:f0:e0:d6:d4:98:c6:35:1e:6d:ad
forked to background, child pid 3175
[   26.934235][ T3176] 8021q: adding VLAN 0 to HW filter on device bond0
[   26.948315][ T3176] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.10.25' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   50.231799][ T3598] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor220/3598
[   50.241468][ T3598] caller is netdev_core_stats_alloc+0x98/0x110
[   50.247632][ T3598] CPU: 1 PID: 3598 Comm: syz-executor220 Not tainted 5.17.0-rc7-syzkaller-02426-g97aeb877de7f #0
[   50.258120][ T3598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.268162][ T3598] Call Trace:
[   50.271510][ T3598]  <TASK>
[   50.274427][ T3598]  dump_stack_lvl+0xcd/0x134
[   50.279008][ T3598]  check_preemption_disabled+0x16b/0x170
[   50.284633][ T3598]  netdev_core_stats_alloc+0x98/0x110
[   50.289998][ T3598]  tun_get_user+0x3455/0x3ab0
[   50.294682][ T3598]  ? tun_build_skb+0x1010/0x1010
[   50.299606][ T3598]  ? lock_downgrade+0x6e0/0x6e0
[   50.304452][ T3598]  tun_chr_write_iter+0xe1/0x200
[   50.309377][ T3598]  new_sync_write+0x431/0x660
[   50.314043][ T3598]  ? new_sync_read+0x6e0/0x6e0
[   50.318814][ T3598]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   50.325042][ T3598]  ? security_file_permission+0xab/0xd0
[   50.330689][ T3598]  vfs_write+0x7cd/0xae0
[   50.334939][ T3598]  ksys_write+0x12d/0x250
[   50.339267][ T3598]  ? __ia32_sys_read+0xb0/0xb0
[   50.344041][ T3598]  ? syscall_enter_from_user_mode+0x21/0x70
[   50.349945][ T3598]  do_syscall_64+0x35/0xb0
[   50.354356][ T3598]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   50.360238][ T3598] RIP: 0033:0x7fbadc6307e3
[   50.364640][ T3598] Code: 5d 41 5c 41 5d 41 5e e9 9b fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18
[   50.384240][ T3598] RSP: 002b:00007ffd705f4178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   50.392638][ T3598] RAX: ffffffffffffffda RBX: 00007ffd705f41a0 RCX: 00007fbadc6307e3
[   50.400595][ T3598] RDX: 000000000000007e RSI: 0000000000000000 RDI: 00000000000000c8
[   50.408550][ T3598] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
[   50.416778][ T3598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   50.424733][ T3598] R13: 00007ffd705f4190 R14: 00007ffd705f4188 R15: 00007ffd705f4184
[   50.432696][ T3598]  </TASK>