[ 10.797992][ T246] team0: Mode changed to "loadbalance" [ 10.813677][ T246] team0: Port device dummy1 added [ 10.817482][ T246] team0: Port device dummy2 added [ 10.946007][ T246] [ 10.946252][ T246] ============================= [ 10.946456][ T246] WARNING: suspicious RCU usage [ 10.946659][ T246] 6.14.0-rc6-virtme #1 Not tainted [ 10.946854][ T246] ----------------------------- [ 10.947056][ T246] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 10.947393][ T246] [ 10.947393][ T246] other info that might help us debug this: [ 10.947393][ T246] [ 10.947777][ T246] [ 10.947777][ T246] rcu_scheduler_active = 2, debug_locks = 1 [ 10.948069][ T246] 1 lock held by teamd/246: [ 10.948256][ T246] #0: ffffffffa9f5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 10.948605][ T246] [ 10.948605][ T246] stack backtrace: [ 10.948839][ T246] CPU: 3 UID: 0 PID: 246 Comm: teamd Not tainted 6.14.0-rc6-virtme #1 [ 10.948843][ T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.948845][ T246] Call Trace: [ 10.948847][ T246] [ 10.948849][ T246] dump_stack_lvl+0xb0/0xd0 [ 10.948857][ T246] lockdep_rcu_suspicious+0x1ea/0x280 [ 10.948868][ T246] dev_hard_start_xmit+0x2fc/0x3f0 [ 10.948879][ T246] __dev_queue_xmit+0xef9/0x1850 [ 10.948894][ T246] ? __pfx___dev_queue_xmit+0x10/0x10 [ 10.948898][ T246] ? packet_parse_headers+0x231/0x9c0 [ 10.948908][ T246] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 10.948915][ T246] ? __pfx_packet_parse_headers+0x10/0x10 [ 10.948920][ T246] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 10.948927][ T246] ? packet_cached_dev_get+0xd5/0x210 [ 10.948937][ T246] packet_snd+0xd00/0x19c0 [ 10.948952][ T246] ? __pfx_packet_snd+0x10/0x10 [ 10.948960][ T246] ? build_sched_domains+0x4d0/0x1690 [ 10.948968][ T246] ? __lock_release+0x103/0x460 [ 10.948970][ T246] ? __might_fault+0x11b/0x170 [ 10.948976][ T246] ? __pfx___lock_release+0x10/0x10 [ 10.948984][ T246] __sys_sendto+0x3c3/0x450 [ 10.948991][ T246] ? __pfx___sys_sendto+0x10/0x10 [ 10.948993][ T246] ? __might_fault+0x11b/0x170 [ 10.949007][ T246] ? __sys_getsockname+0x150/0x1f0 [ 10.949013][ T246] ? __pfx___sys_getsockname+0x10/0x10 [ 10.949018][ T246] ? __pfx___up_read+0x10/0x10 [ 10.949026][ T246] ? do_user_addr_fault+0x972/0xe30 [ 10.949036][ T246] ? do_user_addr_fault+0x97c/0xe30 [ 10.949043][ T246] __x64_sys_sendto+0xe0/0x1c0 [ 10.949048][ T246] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 10.949052][ T246] do_syscall_64+0xc1/0x1d0 [ 10.949059][ T246] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 10.949063][ T246] RIP: 0033:0x7f3bea4ce8f0 [ 10.949068][ T246] Code: ff ff 64 89 02 eb bd 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 1d 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 68 c3 0f 1f 80 00 00 00 00 41 54 48 83 ec 20 [ 10.949071][ T246] RSP: 002b:00007ffd5149dc28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 10.949074][ T246] RAX: ffffffffffffffda RBX: 00000000264822e0 RCX: 00007f3bea4ce8f0 [ 10.949076][ T246] RDX: 000000000000007c RSI: 00007ffd5149dca0 RDI: 0000000000000013 [ 10.949078][ T246] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 10.949080][ T246] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000007c [ 10.949081][ T246] R13: 00007ffd5149dca0 R14: 0000000000000013 R15: 0000000000000002 [ 10.949098][ T246] [ 11.045458][ T251] dummy1: entered promiscuous mode [ 11.045817][ T251] dummy2: entered promiscuous mode [ 11.571218][ T270] dummy1: left promiscuous mode [ 11.571665][ T270] dummy2: left promiscuous mode [ 11.966006][ T271] team0 (unregistering): Port device dummy1 removed [ 11.969497][ T271] team0 (unregistering): Port device dummy2 removed