[ 10.356198][ T250] br1: port 1(veth1) entered blocking state [ 10.356564][ T250] br1: port 1(veth1) entered disabled state [ 10.356758][ T250] veth1: entered allmulticast mode [ 10.358215][ T250] veth1: entered promiscuous mode [ 10.389022][ T45] br1: port 1(veth1) entered blocking state [ 10.389370][ T45] br1: port 1(veth1) entered forwarding state [ 10.408757][ T252] br1: port 2(veth2) entered blocking state [ 10.408995][ T252] br1: port 2(veth2) entered disabled state [ 10.409231][ T252] veth2: entered allmulticast mode [ 10.410982][ T252] veth2: entered promiscuous mode [ 10.447055][ T57] br1: port 2(veth2) entered blocking state [ 10.447298][ T57] br1: port 2(veth2) entered forwarding state [ 10.530002][ T256] 8021q: 802.1Q VLAN Support v1.8 [ 10.767442][ T266] GACT probability NOT on [ 16.507997][ T311] Mirror/redirect action on [ 23.286361][ C2] [ 23.286457][ C2] ================================ [ 23.286549][ C2] WARNING: inconsistent lock state [ 23.286636][ C2] 7.1.0-rc5-virtme #1 Not tainted [ 23.286724][ C2] -------------------------------- [ 23.286812][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 23.286921][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 23.287032][ C2] ffffffffc050f7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 23.287215][ C2] {SOFTIRQ-ON-W} state was registered at: [ 23.287307][ C2] __lock_acquire+0x378/0xc10 [ 23.287413][ C2] lock_acquire.part.0+0xbc/0x260 [ 23.287501][ C2] _raw_spin_lock+0x33/0x40 [ 23.287588][ C2] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 23.287697][ C2] tcf_action_init_1+0x428/0x6b0 [ 23.287785][ C2] tcf_action_init+0x3cf/0x890 [ 23.287872][ C2] tcf_exts_validate_ex+0x411/0x670 [ 23.287958][ C2] mall_change+0x3cd/0xe9b [cls_matchall] [ 23.288071][ C2] tc_new_tfilter+0x875/0x21e0 [ 23.288159][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 23.288249][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 23.288338][ C2] netlink_unicast+0x486/0x750 [ 23.288428][ C2] netlink_sendmsg+0x735/0xc60 [ 23.288513][ C2] ____sys_sendmsg+0x419/0x850 [ 23.288599][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 23.288684][ C2] __sys_sendmsg+0x145/0x1f0 [ 23.288767][ C2] do_syscall_64+0x117/0x590 [ 23.288853][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.288959][ C2] irq event stamp: 622636 [ 23.289027][ C2] hardirqs last enabled at (622636): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 23.289242][ C2] hardirqs last disabled at (622635): [] _raw_spin_lock_irqsave+0x50/0x60 [ 23.289417][ C2] softirqs last enabled at (622340): [] handle_softirqs+0x611/0x940 [ 23.289564][ C2] softirqs last disabled at (622349): [] __irq_exit_rcu+0x103/0x1c0 [ 23.289710][ C2] [ 23.289710][ C2] other info that might help us debug this: [ 23.289835][ C2] Possible unsafe locking scenario: [ 23.289835][ C2] [ 23.289959][ C2] CPU0 [ 23.290067][ C2] ---- [ 23.290131][ C2] lock(mirred_list_lock); [ 23.290216][ C2] [ 23.290282][ C2] lock(mirred_list_lock); [ 23.290417][ C2] [ 23.290417][ C2] *** DEADLOCK *** [ 23.290417][ C2] [ 23.290584][ C2] 1 lock held by swapper/2/0: [ 23.290671][ C2] #0: ffffffff8f777c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 23.290910][ C2] [ 23.290910][ C2] stack backtrace: [ 23.291018][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 23.291020][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.291022][ C2] Call Trace: [ 23.291024][ C2] [ 23.291025][ C2] dump_stack_lvl+0x6f/0xa0 [ 23.291030][ C2] print_usage_bug.part.0.cold+0xa9/0xb7 [ 23.291033][ C2] ? filter_irq_stacks+0xd0/0xd0 [ 23.291036][ C2] mark_lock_irq+0x4e3/0x9c0 [ 23.291038][ C2] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 23.291040][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 23.291042][ C2] ? save_trace+0x68/0x280 [ 23.291045][ C2] mark_lock+0x1d7/0xa00 [ 23.291046][ C2] mark_usage+0x42/0x170 [ 23.291048][ C2] __lock_acquire+0x378/0xc10 [ 23.291049][ C2] ? rcu_is_watching+0x15/0xd0 [ 23.291051][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 23.291055][ C2] lock_acquire.part.0+0xbc/0x260 [ 23.291057][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 23.291059][ C2] ? rcu_is_watching+0x15/0xd0 [ 23.291060][ C2] ? lock_acquire+0x134/0x160 [ 23.291062][ C2] _raw_spin_lock+0x33/0x40 [ 23.291064][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 23.291065][ C2] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 23.291067][ C2] tcf_action_rcu_free+0x74/0x1a0 [ 23.291069][ C2] ? rcu_do_batch+0x2b4/0x1020 [ 23.291070][ C2] rcu_do_batch+0x2b6/0x1020 [ 23.291073][ C2] ? trace_rcu_batch_end+0x330/0x330 [ 23.291075][ C2] ? rcu_is_watching+0x15/0xd0 [ 23.291077][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 23.291079][ C2] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 23.291080][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 23.291082][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 23.291084][ C2] rcu_core+0x2bf/0x640 [ 23.291085][ C2] handle_softirqs+0x1d8/0x940 [ 23.291087][ C2] ? find_held_lock+0x2b/0x80 [ 23.291090][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 23.291091][ C2] ? _local_bh_enable+0xd0/0xd0 [ 23.291093][ C2] __irq_exit_rcu+0x103/0x1c0 [ 23.291095][ C2] irq_exit_rcu+0xe/0x30 [ 23.291096][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 23.291098][ C2] [ 23.291098][ C2] [ 23.291099][ C2] ? rcu_is_watching+0x15/0xd0 [ 23.291101][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 23.291102][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 23.291105][ C2] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 23.291107][ C2] RSP: 0018:ffa0000000157de8 EFLAGS: 00000296 [ 23.291109][ C2] RAX: 0000000000097f0b RBX: ff11000001bb4640 RCX: ffffffff8c4d9667 [ 23.291110][ C2] RDX: ff11000001bb4640 RSI: ffffffff8f201bcb RDI: ffffffff8ec6f6c0 [ 23.291111][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 23.291112][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc0 [ 23.291113][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 23.291114][ C2] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 23.291117][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 23.291119][ C2] default_idle+0x9/0x10 [ 23.291121][ C2] default_idle_call+0x6e/0xb0 [ 23.291123][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 23.291124][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 23.291126][ C2] ? mark_tsc_async_resets+0x30/0x30 [ 23.291128][ C2] ? rcu_is_watching+0x15/0xd0 [ 23.291130][ C2] do_idle+0xf5/0x160 [ 23.291132][ C2] cpu_startup_entry+0x53/0x70 [ 23.291133][ C2] start_secondary+0x204/0x2b0 [ 23.291135][ C2] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 23.291137][ C2] common_startup_64+0x13e/0x148 [ 23.291141][ C2] [ 42.851774][ T499] br1: port 1(veth1) entered disabled state [ 42.870132][ T500] br1: port 2(veth2) entered disabled state [ 42.883210][ T501] veth2: left allmulticast mode [ 42.883325][ T501] veth2: left promiscuous mode [ 42.883470][ T501] br1: port 2(veth2) entered disabled state [ 42.884107][ T501] veth1: left allmulticast mode [ 42.884192][ T501] veth1: left promiscuous mode [ 42.884326][ T501] br1: port 1(veth1) entered disabled state