DUID 00:04:80:46:6d:cf:4f:d2:f0:e0:d6:d4:98:c6:35:1e:6d:ad
forked to background, child pid 3176
[   27.045631][ T3177] 8021q: adding VLAN 0 to HW filter on device bond0
[   27.060666][ T3177] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.206' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   49.173751][ T3592] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor904/3592
[   49.183285][ T3592] caller is netdev_core_stats_alloc+0x98/0x110
[   49.189666][ T3592] CPU: 1 PID: 3592 Comm: syz-executor904 Not tainted 5.17.0-rc7-syzkaller-02426-g97aeb877de7f #0
[   49.200175][ T3592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.210217][ T3592] Call Trace:
[   49.213494][ T3592]  <TASK>
[   49.216419][ T3592]  dump_stack_lvl+0xcd/0x134
[   49.221016][ T3592]  check_preemption_disabled+0x16b/0x170
[   49.226670][ T3592]  netdev_core_stats_alloc+0x98/0x110
[   49.232046][ T3592]  tun_get_user+0x3455/0x3ab0
[   49.236736][ T3592]  ? tun_build_skb+0x1010/0x1010
[   49.241689][ T3592]  ? lock_downgrade+0x6e0/0x6e0
[   49.246557][ T3592]  tun_chr_write_iter+0xe1/0x200
[   49.251498][ T3592]  new_sync_write+0x431/0x660
[   49.256181][ T3592]  ? new_sync_read+0x6e0/0x6e0
[   49.260949][ T3592]  ? lockdep_hardirqs_on+0x79/0x100
[   49.266150][ T3592]  ? asm_common_interrupt+0x1e/0x40
[   49.271362][ T3592]  ? vfs_write+0x184/0xae0
[   49.275779][ T3592]  ? vfs_write+0x1a5/0xae0
[   49.280199][ T3592]  vfs_write+0x7cd/0xae0
[   49.284451][ T3592]  ksys_write+0x12d/0x250
[   49.288783][ T3592]  ? __ia32_sys_read+0xb0/0xb0
[   49.293572][ T3592]  ? syscall_enter_from_user_mode+0x21/0x70
[   49.299525][ T3592]  do_syscall_64+0x35/0xb0
[   49.303956][ T3592]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   49.309854][ T3592] RIP: 0033:0x7fc41ac037e3
[   49.314268][ T3592] 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
[   49.333879][ T3592] RSP: 002b:00007ffc4e8b2d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   49.342290][ T3592] RAX: ffffffffffffffda RBX: 00007ffc4e8b2d80 RCX: 00007fc41ac037e3
[   49.350256][ T3592] RDX: 000000000000005a RSI: 0000000000000000 RDI: 00000000000000c8
[   49.358246][ T3592] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
[   49.366211][ T3592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   49.374177][ T3592] R13: 00007ffc4e8b2d70 R14: 00007ffc4e8b2d68 R15: 00007ffc4e8b2d64
[   49.382158][ T3592]  </TASK>