[   10.384453][  T252] ip (252) used greatest stack depth: 23808 bytes left
[   20.523139][  T347] GACT probability NOT on
[   20.553367][  T345] tc (345) used greatest stack depth: 23792 bytes left
[   20.680009][  T350] 
[   20.680349][  T350] =============================
[   20.680546][  T350] WARNING: suspicious RCU usage
[   20.680904][  T350] 6.14.0-rc6-virtme #1 Not tainted
[   20.681113][  T350] -----------------------------
[   20.681309][  T350] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   20.681627][  T350] 
[   20.681627][  T350] other info that might help us debug this:
[   20.681627][  T350] 
[   20.681964][  T350] 
[   20.681964][  T350] rcu_scheduler_active = 2, debug_locks = 1
[   20.682259][  T350] 1 lock held by mausezahn/350:
[   20.682445][  T350]  #0: ffffffff9af5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   20.682761][  T350] 
[   20.682761][  T350] stack backtrace:
[   20.682977][  T350] CPU: 2 UID: 0 PID: 350 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   20.682981][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.682983][  T350] Call Trace:
[   20.682986][  T350]  <TASK>
[   20.682988][  T350]  dump_stack_lvl+0xb0/0xd0
[   20.682995][  T350]  lockdep_rcu_suspicious+0x1ea/0x280
[   20.683005][  T350]  dev_hard_start_xmit+0x2fc/0x3f0
[   20.683016][  T350]  __dev_queue_xmit+0xfaf/0x18d0
[   20.683030][  T350]  ? __pfx___dev_queue_xmit+0x10/0x10
[   20.683034][  T350]  ? packet_parse_headers+0x231/0x9c0
[   20.683043][  T350]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   20.683048][  T350]  ? __pfx_packet_parse_headers+0x10/0x10
[   20.683053][  T350]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   20.683058][  T350]  ? dev_get_by_index+0xb2/0x190
[   20.683070][  T350]  packet_snd+0xd0c/0x19d0
[   20.683081][  T350]  ? __lock_release+0x103/0x460
[   20.683085][  T350]  ? __might_fault+0x11b/0x170
[   20.683095][  T350]  ? __pfx_packet_snd+0x10/0x10
[   20.683098][  T350]  ? trace_lock_acquire+0x14c/0x1f0
[   20.683100][  T350]  ? __might_fault+0x11b/0x170
[   20.683107][  T350]  ? lock_acquire+0x32/0xc0
[   20.683113][  T350]  ? __might_fault+0x11b/0x170
[   20.683124][  T350]  __sys_sendto+0x3c3/0x450
[   20.683130][  T350]  ? __pfx___sys_sendto+0x10/0x10
[   20.683144][  T350]  ? sock_ioctl+0x3b6/0x590
[   20.683154][  T350]  ? __pfx___up_read+0x10/0x10
[   20.683162][  T350]  ? do_user_addr_fault+0x374/0xe30
[   20.683175][  T350]  ? do_user_addr_fault+0x374/0xe30
[   20.683187][  T350]  __x64_sys_sendto+0xe0/0x1c0
[   20.683194][  T350]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   20.683202][  T350]  do_syscall_64+0xc1/0x1d0
[   20.683210][  T350]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   20.683215][  T350] RIP: 0033:0x7f9765767a4a
[   20.683219][  T350] 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
[   20.683223][  T350] RSP: 002b:00007ffc52afa1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   20.683226][  T350] RAX: ffffffffffffffda RBX: 000000000804e9d0 RCX: 00007f9765767a4a
[   20.683229][  T350] RDX: 0000000000000062 RSI: 000000000804e5c2 RDI: 0000000000000005
[   20.683230][  T350] RBP: 000000000804e5c2 R08: 00007ffc52afa1e0 R09: 0000000000000014
[   20.683232][  T350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   20.683234][  T350] R13: 0000000000000062 R14: 00007ffc52afa1e0 R15: 0000000000000000
[   20.683250][  T350]  </TASK>