DUID 00:04:e7:a9:54:ba:d6:ca:b0:a9:a8:44:aa:dd:15:41:58:fb
forked to background, child pid 3176
[   26.931008][ T3177] 8021q: adding VLAN 0 to HW filter on device bond0
[   26.940970][ T3177] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.10.40' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   51.201802][ T3592] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor312/3592
[   51.211365][ T3592] caller is netdev_core_stats_alloc+0x98/0x110
[   51.217592][ T3592] CPU: 1 PID: 3592 Comm: syz-executor312 Not tainted 5.17.0-rc7-syzkaller-02426-g97aeb877de7f #0
[   51.228092][ T3592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   51.238136][ T3592] Call Trace:
[   51.241410][ T3592]  <TASK>
[   51.244357][ T3592]  dump_stack_lvl+0xcd/0x134
[   51.248954][ T3592]  check_preemption_disabled+0x16b/0x170
[   51.254588][ T3592]  netdev_core_stats_alloc+0x98/0x110
[   51.259953][ T3592]  tun_get_user+0x342b/0x3ab0
[   51.264624][ T3592]  ? tun_build_skb+0x1010/0x1010
[   51.269548][ T3592]  ? lock_downgrade+0x6e0/0x6e0
[   51.274398][ T3592]  tun_chr_write_iter+0xe1/0x200
[   51.279331][ T3592]  new_sync_write+0x431/0x660
[   51.283999][ T3592]  ? new_sync_read+0x6e0/0x6e0
[   51.288753][ T3592]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   51.294979][ T3592]  ? security_file_permission+0xab/0xd0
[   51.300514][ T3592]  vfs_write+0x7cd/0xae0
[   51.304742][ T3592]  ksys_write+0x12d/0x250
[   51.309054][ T3592]  ? __ia32_sys_read+0xb0/0xb0
[   51.313805][ T3592]  ? syscall_enter_from_user_mode+0x21/0x70
[   51.319685][ T3592]  do_syscall_64+0x35/0xb0
[   51.324083][ T3592]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   51.329961][ T3592] RIP: 0033:0x7fbb9da60853
[   51.334356][ 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
[   51.353946][ T3592] RSP: 002b:00007ffd6104a518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   51.362342][ T3592] RAX: ffffffffffffffda RBX: 00007ffd6104a540 RCX: 00007fbb9da60853
[   51.370294][ T3592] RDX: 0000000020000096 RSI: 0000000020000040 RDI: 00000000000000c8
[   51.378256][ T3592] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
[   51.386212][ T3592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   51.394161][ T3592] R13: 00007ffd6104a530 R14: 00007ffd6104a528 R15: 00007ffd6104a524
[   51.402157][ T3592]  </TASK>