[  630.491881][ T8374] 
[  630.492244][ T8374] =============================
[  630.492436][ T8374] WARNING: suspicious RCU usage
[  630.492619][ T8374] 6.14.0-rc6-virtme #1 Not tainted
[  630.492803][ T8374] -----------------------------
[  630.492994][ T8374] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[  630.493292][ T8374] 
[  630.493292][ T8374] other info that might help us debug this:
[  630.493292][ T8374] 
[  630.493630][ T8374] 
[  630.493630][ T8374] rcu_scheduler_active = 2, debug_locks = 1
[  630.493903][ T8374] 1 lock held by gro/8374:
[  630.494097][ T8374]  #0: ffffffffab36f640 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f5/0x18d0
[  630.494470][ T8374] 
[  630.494470][ T8374] stack backtrace:
[  630.494691][ T8374] CPU: 2 UID: 0 PID: 8374 Comm: gro Not tainted 6.14.0-rc6-virtme #1
[  630.494696][ T8374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  630.494698][ T8374] Call Trace:
[  630.494700][ T8374]  <TASK>
[  630.494703][ T8374]  dump_stack_lvl+0xb0/0xd0
[  630.494713][ T8374]  lockdep_rcu_suspicious+0x1ea/0x280
[  630.494725][ T8374]  dev_hard_start_xmit+0x2fc/0x3f0
[  630.494737][ T8374]  __dev_queue_xmit+0xfaa/0x18d0
[  630.494741][ T8374]  ? _copy_from_iter+0x1d2/0x12e0
[  630.494770][ T8374]  ? __pfx___dev_queue_xmit+0x10/0x10
[  630.494775][ T8374]  ? packet_parse_headers+0x243/0x9d0
[  630.494786][ T8374]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[  630.494797][ T8374]  ? __pfx_packet_parse_headers+0x10/0x10
[  630.494802][ T8374]  ? skb_copy_datagram_from_iter+0xe6/0x6e0
[  630.494810][ T8374]  ? dev_get_by_index+0xb2/0x190
[  630.494821][ T8374]  packet_snd+0xd0d/0x19c0
[  630.494833][ T8374]  ? __lock_release+0x103/0x460
[  630.494836][ T8374]  ? __might_fault+0x11b/0x170
[  630.494844][ T8374]  ? __pfx_packet_snd+0x10/0x10
[  630.494846][ T8374]  ? trace_lock_acquire+0x14c/0x1f0
[  630.494855][ T8374]  ? lock_acquire+0x32/0xc0
[  630.494860][ T8374]  ? __might_fault+0x11b/0x170
[  630.494872][ T8374]  __sys_sendto+0x3c3/0x450
[  630.494879][ T8374]  ? __pfx___sys_sendto+0x10/0x10
[  630.494893][ T8374]  ? __lock_release+0x103/0x460
[  630.494896][ T8374]  ? do_user_addr_fault+0x972/0xe30
[  630.494906][ T8374]  ? __pfx___lock_release+0x10/0x10
[  630.494913][ T8374]  ? __pfx___up_read+0x10/0x10
[  630.494920][ T8374]  ? do_user_addr_fault+0x972/0xe30
[  630.494928][ T8374]  ? do_user_addr_fault+0x97c/0xe30
[  630.494936][ T8374]  __x64_sys_sendto+0xe0/0x1c0
[  630.494940][ T8374]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  630.494945][ T8374]  do_syscall_64+0xc1/0x1d0
[  630.494956][ T8374]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  630.494961][ T8374] RIP: 0033:0x7f3d5a280a4a
[  630.494967][ T8374] 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
[  630.494970][ T8374] RSP: 002b:00007ffcaf05dac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  630.494974][ T8374] RAX: ffffffffffffffda RBX: 000000000000009a RCX: 00007f3d5a280a4a
[  630.494976][ T8374] RDX: 000000000000009a RSI: 00000000004392e0 RDI: 0000000000000005
[  630.494978][ T8374] RBP: 0000000000000064 R08: 00007ffcaf05db30 R09: 0000000000000014
[  630.494979][ T8374] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
[  630.494981][ T8374] R13: 00007ffcaf05db30 R14: 0000000000000036 R15: 00007ffcaf05f9fd
[  630.494998][ T8374]  </TASK>