forked to background, child pid 3178
no interfaces have a carrier
[   26.494281][ T3179] 8021q: adding VLAN 0 to HW filter on device bond0
[   26.509041][ T3179] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.1.2' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   49.270029][ T3594] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor318/3594
[   49.279567][ T3594] caller is netdev_core_stats_alloc+0x98/0x110
[   49.285796][ T3594] CPU: 1 PID: 3594 Comm: syz-executor318 Not tainted 5.17.0-rc7-syzkaller-02426-g97aeb877de7f #0
[   49.296301][ T3594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.306347][ T3594] Call Trace:
[   49.309621][ T3594]  <TASK>
[   49.312552][ T3594]  dump_stack_lvl+0xcd/0x134
[   49.317156][ T3594]  check_preemption_disabled+0x16b/0x170
[   49.322817][ T3594]  netdev_core_stats_alloc+0x98/0x110
[   49.328192][ T3594]  tun_get_user+0x342b/0x3ab0
[   49.332884][ T3594]  ? tun_build_skb+0x1010/0x1010
[   49.337825][ T3594]  ? lock_downgrade+0x6e0/0x6e0
[   49.342695][ T3594]  tun_chr_write_iter+0xe1/0x200
[   49.347633][ T3594]  new_sync_write+0x431/0x660
[   49.352314][ T3594]  ? new_sync_read+0x6e0/0x6e0
[   49.357092][ T3594]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   49.363335][ T3594]  ? security_file_permission+0xab/0xd0
[   49.368888][ T3594]  vfs_write+0x7cd/0xae0
[   49.373141][ T3594]  ksys_write+0x12d/0x250
[   49.377475][ T3594]  ? __ia32_sys_read+0xb0/0xb0
[   49.382248][ T3594]  ? syscall_enter_from_user_mode+0x21/0x70
[   49.388148][ T3594]  do_syscall_64+0x35/0xb0
[   49.392565][ T3594]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   49.398468][ T3594] RIP: 0033:0x7f747fcc7c23
[   49.402880][ T3594] 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
[   49.422483][ T3594] RSP: 002b:00007ffde83c9f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   49.430892][ T3594] RAX: ffffffffffffffda RBX: 00007ffde83c9f90 RCX: 00007f747fcc7c23
[   49.438857][ T3594] RDX: 00000000200000a6 RSI: 0000000020000000 RDI: 00000000000000c8
[   49.446821][ T3594] RBP: 00007ffde83c9ff0 R08: 0000000000000000 R09: 0000000000000000
[   49.454783][ T3594] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[   49.462747][ T3594] R13: 00007ffde83c9fa0 R14: 00007ffde83c9fc0 R15: 00007ffde83c9f88
[   49.470723][ T3594]  </TASK>