[ 10.611252][ T251] ip (251) used greatest stack depth: 23296 bytes left
[ 13.471290][ T301] br0: port 1(veth1) entered blocking state
[ 13.471921][ T301] br0: port 1(veth1) entered disabled state
[ 13.472506][ T301] veth1: entered allmulticast mode
[ 13.483579][ T301] veth1: entered promiscuous mode
[ 13.566011][ T302] br0: port 2(veth2) entered blocking state
[ 13.566355][ T302] br0: port 2(veth2) entered disabled state
[ 13.566616][ T302] veth2: entered allmulticast mode
[ 13.568808][ T302] veth2: entered promiscuous mode
[ 13.723861][ T38] br0: port 1(veth1) entered blocking state
[ 13.724259][ T38] br0: port 1(veth1) entered forwarding state
[ 13.726414][ C1]
[ 13.726639][ C1] =============================
[ 13.726831][ C1] WARNING: suspicious RCU usage
[ 13.727021][ C1] 6.14.0-rc6-virtme #1 Not tainted
[ 13.727318][ C1] -----------------------------
[ 13.727502][ C1] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[ 13.727822][ C1]
[ 13.727822][ C1] other info that might help us debug this:
[ 13.727822][ C1]
[ 13.728296][ C1]
[ 13.728296][ C1] rcu_scheduler_active = 2, debug_locks = 1
[ 13.728580][ C1] 5 locks held by kworker/u17:0/38:
[ 13.728817][ C1] #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0
[ 13.729226][ C1] #1: ffffc900002afd40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0
[ 13.729593][ C1] #2: ffffc900001f0d60 ((&pmctx->ip4_own_query.timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 13.729958][ C1] #3: ffff888006153358 (&br->multicast_lock){+.-.}-{3:3}, at: br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[ 13.730432][ C1] #4: ffffffff9095b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[ 13.730757][ C1]
[ 13.730757][ C1] stack backtrace:
[ 13.730994][ C1] CPU: 1 UID: 0 PID: 38 Comm: kworker/u17:0 Not tainted 6.14.0-rc6-virtme #1
[ 13.730999][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.731001][ C1] Workqueue: events_unbound linkwatch_event
[ 13.731006][ C1] Call Trace:
[ 13.731009][ C1]
[ 13.731011][ C1] dump_stack_lvl+0xb0/0xd0
[ 13.731019][ C1] lockdep_rcu_suspicious+0x1ea/0x280
[ 13.731029][ C1] dev_hard_start_xmit+0x2fc/0x3f0
[ 13.731040][ C1] __dev_queue_xmit+0xfaf/0x18d0
[ 13.731051][ C1] ? __build_skb_around+0x23d/0x350
[ 13.731060][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 13.731063][ C1] ? __pfx___alloc_skb+0x10/0x10
[ 13.731068][ C1] ? stack_trace_save+0x20/0xd0
[ 13.731074][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 13.731082][ C1] ? __pfx___br_multicast_query_handle_vlan+0x10/0x10 [bridge]
[ 13.731138][ C1] br_dev_queue_push_xmit+0x115/0x250 [bridge]
[ 13.731170][ C1] ? __pfx_br_dev_queue_push_xmit+0x10/0x10 [bridge]
[ 13.731203][ C1] ? br_multicast_count+0x42/0x130 [bridge]
[ 13.731243][ C1] __br_multicast_send_query+0x3b7/0x950 [bridge]
[ 13.731288][ C1] ? __pfx___br_multicast_send_query+0x10/0x10 [bridge]
[ 13.731328][ C1] ? __lock_acquire+0xb9a/0x1680
[ 13.731339][ C1] ? br_multicast_send_query+0x228/0x440 [bridge]
[ 13.731374][ C1] br_multicast_send_query+0x228/0x440 [bridge]
[ 13.731412][ C1] ? __pfx_br_multicast_send_query+0x10/0x10 [bridge]
[ 13.731445][ C1] ? br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[ 13.731482][ C1] ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[ 13.731517][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 13.731523][ C1] ? do_raw_spin_lock+0x131/0x270
[ 13.731528][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 13.731532][ C1] ? lock_acquire+0x32/0xc0
[ 13.731535][ C1] ? br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[ 13.731575][ C1] ? br_multicast_port_query_expired+0x230/0x2c0 [bridge]
[ 13.731608][ C1] br_multicast_port_query_expired+0x230/0x2c0 [bridge]
[ 13.731644][ C1] ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[ 13.731677][ C1] call_timer_fn+0x13b/0x230
[ 13.731681][ C1] ? call_timer_fn+0xe8/0x230
[ 13.731684][ C1] ? call_timer_fn+0xe8/0x230
[ 13.731688][ C1] ? __pfx_call_timer_fn+0x10/0x10
[ 13.731691][ C1] ? hlock_class+0x4e/0x130
[ 13.731700][ C1] ? mark_held_locks+0x9e/0xe0
[ 13.731712][ C1] __run_timers+0x545/0x810
[ 13.731716][ C1] ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[ 13.731758][ C1] ? __pfx___run_timers+0x10/0x10
[ 13.731761][ C1] ? clockevents_program_event+0xf6/0x300
[ 13.731771][ C1] ? do_raw_spin_lock+0x131/0x270
[ 13.731775][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 13.731779][ C1] ? lock_acquire+0x32/0xc0
[ 13.731782][ C1] ? run_timer_softirq+0xe6/0x1c0
[ 13.731792][ C1] run_timer_softirq+0xee/0x1c0
[ 13.731798][ C1] handle_softirqs+0x1f6/0x5c0
[ 13.731804][ C1] ? do_raw_spin_unlock+0x58/0x220
[ 13.731812][ C1] __irq_exit_rcu+0xc4/0x100
[ 13.731816][ C1] irq_exit_rcu+0xe/0x20
[ 13.731818][ C1] sysvec_apic_timer_interrupt+0x78/0x90
[ 13.731822][ C1]
[ 13.731823][ C1]
[ 13.731826][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 13.731830][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 13.731834][ C1] Code: 10 e8 b1 3d 87 fd 48 89 ef e8 f9 ad 87 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d b5 0d 6f 70 <74> 0e 5b 5d c3 cc cc cc cc e8 2f df ac fd eb dc 0f 1f 44 00 00 5b
[ 13.731836][ C1] RSP: 0000:ffffc900002af9c0 EFLAGS: 00000282
[ 13.731839][ C1] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff254b35a
[ 13.731841][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f94b761
[ 13.731843][ C1] RBP: ffff888001a84f28 R08: 0000000000000001 R09: fffffbfff2545bed
[ 13.731844][ C1] R10: ffffffff92a2df6f R11: ffff888001d82300 R12: ffff888036000000
[ 13.731846][ C1] R13: 000000000003d7c0 R14: ffff888001a84f28 R15: 0000000000000088
[ 13.731859][ C1] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 13.731867][ C1] try_to_wake_up+0x6d3/0xd90
[ 13.731874][ C1] ? __pfx_try_to_wake_up+0x10/0x10
[ 13.731877][ C1] ? mark_lock+0x38/0x3e0
[ 13.731890][ C1] wake_up_q+0xa8/0x160
[ 13.731897][ C1] __mutex_unlock_slowpath+0x20a/0x3f0
[ 13.731903][ C1] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 13.731911][ C1] ? mark_lock+0x38/0x3e0
[ 13.731914][ C1] ? do_raw_spin_lock+0x131/0x270
[ 13.731924][ C1] __rtnl_unlock+0x69/0xf0
[ 13.731928][ C1] netdev_run_todo+0x284/0xc60
[ 13.731933][ C1] ? _raw_spin_unlock_irq+0x28/0x50
[ 13.731936][ C1] ? __linkwatch_run_queue+0x445/0x650
[ 13.731941][ C1] ? __pfx_netdev_run_todo+0x10/0x10
[ 13.731951][ C1] ? lock_acquire+0x32/0xc0
[ 13.731967][ C1] process_one_work+0xe55/0x16d0
[ 13.731984][ C1] ? __pfx___lock_release+0x10/0x10
[ 13.731989][ C1] ? __pfx_process_one_work+0x10/0x10
[ 13.732002][ C1] ? assign_work+0x16c/0x240
[ 13.732013][ C1] worker_thread+0x58c/0xce0
[ 13.732027][ C1] ? __pfx_worker_thread+0x10/0x10
[ 13.732034][ C1] kthread+0x359/0x5d0
[ 13.732038][ C1] ? __pfx_kthread+0x10/0x10
[ 13.732047][ C1] ? __pfx_kthread+0x10/0x10
[ 13.732053][ C1] ret_from_fork+0x31/0x70
[ 13.732057][ C1] ? __pfx_kthread+0x10/0x10
[ 13.732061][ C1] ret_from_fork_asm+0x1a/0x30
[ 13.732081][ C1]
[ 13.837293][ T40] br0: port 2(veth2) entered blocking state
[ 13.837589][ T40] br0: port 2(veth2) entered forwarding state
[ 25.090385][ T332] GACT probability NOT on
[ 194.637309][ T1629] br0: port 2(veth2) entered disabled state
[ 194.717027][ T1630] br0: port 1(veth1) entered disabled state
[ 194.786559][ T1631] veth2: left allmulticast mode
[ 194.786779][ T1631] veth2: left promiscuous mode
[ 194.787124][ T1631] br0: port 2(veth2) entered disabled state
[ 194.788696][ T1631] veth1: left allmulticast mode
[ 194.788890][ T1631] veth1: left promiscuous mode
[ 194.789225][ T1631] br0: port 1(veth1) entered disabled state