[   17.996697][  T308] GACT probability NOT on
[   18.231194][  T312] 
[   18.231492][  T312] =============================
[   18.231680][  T312] WARNING: suspicious RCU usage
[   18.231849][  T312] 6.14.0-rc6-virtme #1 Not tainted
[   18.232016][  T312] -----------------------------
[   18.232394][  T312] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   18.232672][  T312] 
[   18.232672][  T312] other info that might help us debug this:
[   18.232672][  T312] 
[   18.232972][  T312] 
[   18.232972][  T312] rcu_scheduler_active = 2, debug_locks = 1
[   18.233209][  T312] 1 lock held by mausezahn/312:
[   18.233407][  T312]  #0: ffffffff9615b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   18.233707][  T312] 
[   18.233707][  T312] stack backtrace:
[   18.233906][  T312] CPU: 2 UID: 0 PID: 312 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   18.233911][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.233912][  T312] Call Trace:
[   18.233914][  T312]  <TASK>
[   18.233916][  T312]  dump_stack_lvl+0xb0/0xd0
[   18.233924][  T312]  lockdep_rcu_suspicious+0x1ea/0x280
[   18.233934][  T312]  dev_hard_start_xmit+0x2fc/0x3f0
[   18.233944][  T312]  __dev_queue_xmit+0xfaf/0x18d0
[   18.233958][  T312]  ? __pfx___dev_queue_xmit+0x10/0x10
[   18.233963][  T312]  ? packet_parse_headers+0x231/0x9c0
[   18.233971][  T312]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   18.233977][  T312]  ? __pfx_packet_parse_headers+0x10/0x10
[   18.233981][  T312]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   18.233987][  T312]  ? dev_get_by_index+0xb2/0x190
[   18.233998][  T312]  packet_snd+0xd0c/0x19d0
[   18.234009][  T312]  ? __lock_release+0x103/0x460
[   18.234013][  T312]  ? __might_fault+0x11b/0x170
[   18.234020][  T312]  ? __pfx_packet_snd+0x10/0x10
[   18.234022][  T312]  ? trace_lock_acquire+0x14c/0x1f0
[   18.234024][  T312]  ? __might_fault+0x11b/0x170
[   18.234031][  T312]  ? lock_acquire+0x32/0xc0
[   18.234038][  T312]  ? __might_fault+0x11b/0x170
[   18.234048][  T312]  __sys_sendto+0x3c3/0x450
[   18.234054][  T312]  ? __pfx___sys_sendto+0x10/0x10
[   18.234069][  T312]  ? sock_ioctl+0x3b6/0x590
[   18.234078][  T312]  ? __pfx___up_read+0x10/0x10
[   18.234087][  T312]  ? do_user_addr_fault+0x374/0xe30
[   18.234096][  T312]  ? do_user_addr_fault+0x374/0xe30
[   18.234103][  T312]  __x64_sys_sendto+0xe0/0x1c0
[   18.234107][  T312]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   18.234112][  T312]  do_syscall_64+0xc1/0x1d0
[   18.234120][  T312]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   18.234124][  T312] RIP: 0033:0x7fb92cd01a4a
[   18.234129][  T312] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
[   18.234131][  T312] RSP: 002b:00007ffd68669df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   18.234135][  T312] RAX: ffffffffffffffda RBX: 000000001eef69d0 RCX: 00007fb92cd01a4a
[   18.234137][  T312] RDX: 0000000000000062 RSI: 000000001eef65c2 RDI: 0000000000000005
[   18.234139][  T312] RBP: 000000001eef65c2 R08: 00007ffd68669e00 R09: 0000000000000014
[   18.234140][  T312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   18.234142][  T312] R13: 0000000000000062 R14: 00007ffd68669e00 R15: 0000000000000000
[   18.234158][  T312]  </TASK>
[   34.497120][  T733] 8021q: 802.1Q VLAN Support v1.8
[   35.945403][  T756] ip (756) used greatest stack depth: 23552 bytes left
[   46.859044][ T1032] tc (1032) used greatest stack depth: 23448 bytes left