DUID 00:04:60:0b:d9:94:f1:4e:15:d4:cc:23:27:00:18:99:58:ba
forked to background, child pid 3174
[   26.764944][ T3175] 8021q: adding VLAN 0 to HW filter on device bond0
[   26.776978][ T3175] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.1.51' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   51.263953][ T3597] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor139/3597
[   51.273673][ T3597] caller is netdev_core_stats_alloc+0x98/0x110
[   51.279851][ T3597] CPU: 0 PID: 3597 Comm: syz-executor139 Not tainted 5.17.0-rc7-syzkaller-02443-gd96657dc9238 #0
[   51.290446][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   51.300574][ T3597] Call Trace:
[   51.303839][ T3597]  <TASK>
[   51.306757][ T3597]  dump_stack_lvl+0xcd/0x134
[   51.311342][ T3597]  check_preemption_disabled+0x16b/0x170
[   51.316982][ T3597]  netdev_core_stats_alloc+0x98/0x110
[   51.322536][ T3597]  tun_get_user+0x342b/0x3ab0
[   51.327209][ T3597]  ? tun_build_skb+0x1010/0x1010
[   51.332232][ T3597]  ? lock_downgrade+0x6e0/0x6e0
[   51.337086][ T3597]  tun_chr_write_iter+0xe1/0x200
[   51.342010][ T3597]  new_sync_write+0x431/0x660
[   51.346679][ T3597]  ? new_sync_read+0x6e0/0x6e0
[   51.351451][ T3597]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   51.357689][ T3597]  ? security_file_permission+0xab/0xd0
[   51.363231][ T3597]  vfs_write+0x7cd/0xae0
[   51.367463][ T3597]  ksys_write+0x12d/0x250
[   51.371779][ T3597]  ? __ia32_sys_read+0xb0/0xb0
[   51.376533][ T3597]  ? syscall_enter_from_user_mode+0x21/0x70
[   51.382418][ T3597]  do_syscall_64+0x35/0xb0
[   51.386820][ T3597]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   51.392700][ T3597] RIP: 0033:0x7fac6e71e8b3
[   51.397116][ T3597] 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
[   51.416707][ T3597] RSP: 002b:00007ffe828e3378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   51.425102][ T3597] RAX: ffffffffffffffda RBX: 00007ffe828e33a0 RCX: 00007fac6e71e8b3
[   51.433056][ T3597] RDX: 0000000020000106 RSI: 0000000020000080 RDI: 00000000000000c8
[   51.441013][ T3597] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
[   51.448968][ T3597] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   51.456920][ T3597] R13: 00007ffe828e3390 R14: 00007ffe828e3388 R15: 00007ffe828e3384
[   51.464881][ T3597]  </TASK>