[  386.306499][ T3449] 
[  386.306898][ T3449] =============================
[  386.307187][ T3449] WARNING: suspicious RCU usage
[  386.307450][ T3449] 6.14.0-rc6-virtme #1 Not tainted
[  386.307704][ T3449] -----------------------------
[  386.307975][ T3449] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[  386.308444][ T3449] 
[  386.308444][ T3449] other info that might help us debug this:
[  386.308444][ T3449] 
[  386.308916][ T3449] 
[  386.308916][ T3449] rcu_scheduler_active = 2, debug_locks = 1
[  386.309296][ T3449] 1 lock held by arping/3449:
[  386.309546][ T3449]  #0: ffffffffa996f640 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f5/0x18d0
[  386.310041][ T3449] 
[  386.310041][ T3449] stack backtrace:
[  386.310348][ T3449] CPU: 1 UID: 0 PID: 3449 Comm: arping Not tainted 6.14.0-rc6-virtme #1
[  386.310355][ T3449] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  386.310359][ T3449] Call Trace:
[  386.310361][ T3449]  <TASK>
[  386.310366][ T3449]  dump_stack_lvl+0xb0/0xd0
[  386.310380][ T3449]  lockdep_rcu_suspicious+0x1ea/0x280
[  386.310398][ T3449]  dev_hard_start_xmit+0x2fc/0x3f0
[  386.310421][ T3449]  __dev_queue_xmit+0xfaa/0x18d0
[  386.310429][ T3449]  ? _copy_from_iter+0x1d2/0x12e0
[  386.310461][ T3449]  ? __pfx___dev_queue_xmit+0x10/0x10
[  386.310469][ T3449]  ? packet_parse_headers+0x243/0x9d0
[  386.310490][ T3449]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[  386.310502][ T3449]  ? __pfx_packet_parse_headers+0x10/0x10
[  386.310511][ T3449]  ? skb_copy_datagram_from_iter+0xe6/0x6e0
[  386.310523][ T3449]  ? dev_get_by_index+0xb2/0x190
[  386.310544][ T3449]  packet_snd+0xd0d/0x19c0
[  386.310568][ T3449]  ? __lock_release+0x103/0x460
[  386.310573][ T3449]  ? __might_fault+0x11b/0x170
[  386.310584][ T3449]  ? __pfx_packet_snd+0x10/0x10
[  386.310589][ T3449]  ? trace_lock_acquire+0x14c/0x1f0
[  386.310595][ T3449]  ? __pfx___lock_release+0x10/0x10
[  386.310607][ T3449]  ? lock_acquire+0x32/0xc0
[  386.310618][ T3449]  ? __might_fault+0x11b/0x170
[  386.310641][ T3449]  __sys_sendto+0x3c3/0x450
[  386.310654][ T3449]  ? __pfx___sys_sendto+0x10/0x10
[  386.310678][ T3449]  ? __lock_release+0x103/0x460
[  386.310686][ T3449]  ? __pfx___lock_release+0x10/0x10
[  386.310703][ T3449]  ? __pfx___up_read+0x10/0x10
[  386.310715][ T3449]  ? do_user_addr_fault+0x374/0xe30
[  386.310736][ T3449]  ? do_user_addr_fault+0x374/0xe30
[  386.310751][ T3449]  __x64_sys_sendto+0xe0/0x1c0
[  386.310759][ T3449]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  386.310768][ T3449]  do_syscall_64+0xc1/0x1d0
[  386.310782][ T3449]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  386.310791][ T3449] RIP: 0033:0x7ff79ab87a4a
[  386.310799][ T3449] 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
[  386.310803][ T3449] RSP: 002b:00007fffc8dd2c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  386.310809][ T3449] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007ff79ab87a4a
[  386.310813][ T3449] RDX: 000000000000001c RSI: 00007fffc8dd2c70 RDI: 0000000000000005
[  386.310816][ T3449] RBP: 00007fffc8dd2dc0 R08: 00007fffc8dd4220 R09: 0000000000000014
[  386.310819][ T3449] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff79aa35710
[  386.310822][ T3449] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007ff79ac8d000
[  386.310857][ T3449]  </TASK>
[  401.373731][ T3580] GACT probability NOT on