[   97.981090][  T768] 
[   97.981410][  T768] =============================
[   97.981573][  T768] WARNING: suspicious RCU usage
[   97.981745][  T768] 6.14.0-rc6-virtme #1 Not tainted
[   97.981898][  T768] -----------------------------
[   97.982051][  T768] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   97.982332][  T768] 
[   97.982332][  T768] other info that might help us debug this:
[   97.982332][  T768] 
[   97.982666][  T768] 
[   97.982666][  T768] rcu_scheduler_active = 2, debug_locks = 1
[   97.982900][  T768] 1 lock held by mausezahn/768:
[   97.983055][  T768]  #0: ffffffff9135b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   97.983352][  T768] 
[   97.983352][  T768] stack backtrace:
[   97.983541][  T768] CPU: 3 UID: 0 PID: 768 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   97.983545][  T768] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.983548][  T768] Call Trace:
[   97.983550][  T768]  <TASK>
[   97.983553][  T768]  dump_stack_lvl+0xb0/0xd0
[   97.983562][  T768]  lockdep_rcu_suspicious+0x1ea/0x280
[   97.983575][  T768]  dev_hard_start_xmit+0x2fc/0x3f0
[   97.983585][  T768]  __dev_queue_xmit+0xfaf/0x18d0
[   97.983599][  T768]  ? __pfx___dev_queue_xmit+0x10/0x10
[   97.983603][  T768]  ? packet_parse_headers+0x231/0x9c0
[   97.983613][  T768]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   97.983620][  T768]  ? __pfx_packet_parse_headers+0x10/0x10
[   97.983624][  T768]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   97.983631][  T768]  ? dev_get_by_index+0xb2/0x190
[   97.983643][  T768]  packet_snd+0xd0c/0x19d0
[   97.983655][  T768]  ? __lock_release+0x103/0x460
[   97.983659][  T768]  ? __might_fault+0x11b/0x170
[   97.983667][  T768]  ? __pfx_packet_snd+0x10/0x10
[   97.983669][  T768]  ? trace_lock_acquire+0x14c/0x1f0
[   97.983671][  T768]  ? __might_fault+0x11b/0x170
[   97.983678][  T768]  ? lock_acquire+0x32/0xc0
[   97.983685][  T768]  ? __might_fault+0x11b/0x170
[   97.983696][  T768]  __sys_sendto+0x3c3/0x450
[   97.983702][  T768]  ? __pfx___sys_sendto+0x10/0x10
[   97.983717][  T768]  ? sock_ioctl+0x3b6/0x590
[   97.983727][  T768]  ? __pfx___up_read+0x10/0x10
[   97.983736][  T768]  ? do_user_addr_fault+0x374/0xe30
[   97.983747][  T768]  ? do_user_addr_fault+0x374/0xe30
[   97.983754][  T768]  __x64_sys_sendto+0xe0/0x1c0
[   97.983758][  T768]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   97.983763][  T768]  do_syscall_64+0xc1/0x1d0
[   97.983772][  T768]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.983778][  T768] RIP: 0033:0x7f86700cba4a
[   97.983783][  T768] 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
[   97.983786][  T768] RSP: 002b:00007ffcfab77578 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   97.983790][  T768] RAX: ffffffffffffffda RBX: 0000000020f4b9d0 RCX: 00007f86700cba4a
[   97.983792][  T768] RDX: 0000000000000062 RSI: 0000000020f4b5c2 RDI: 0000000000000005
[   97.983794][  T768] RBP: 0000000020f4b5c2 R08: 00007ffcfab77580 R09: 0000000000000014
[   97.983796][  T768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   97.983797][  T768] R13: 0000000000000062 R14: 00007ffcfab77580 R15: 0000000000000000
[   97.983813][  T768]  </TASK>
[  115.396829][ T1158] 8021q: 802.1Q VLAN Support v1.8