[ 646.721217][ T4336] br0: port 1(veth1) entered blocking state [ 646.721443][ T4336] br0: port 1(veth1) entered disabled state [ 646.721632][ T4336] veth1: entered allmulticast mode [ 646.723736][ T4336] veth1: entered promiscuous mode [ 646.747898][ T4338] br0: port 2(veth2) entered blocking state [ 646.748101][ T4338] br0: port 2(veth2) entered disabled state [ 646.748310][ T4338] veth2: entered allmulticast mode [ 646.750456][ T4338] veth2: entered promiscuous mode [ 646.835674][ T39] br0: port 1(veth1) entered blocking state [ 646.835879][ T39] br0: port 1(veth1) entered forwarding state [ 646.866619][ T48] br0: port 2(veth2) entered blocking state [ 646.866829][ T48] br0: port 2(veth2) entered forwarding state [ 694.468794][ T4619] Mirror/redirect action on [ 695.717298][ C3] [ 695.717411][ C3] ================================ [ 695.717543][ C3] WARNING: inconsistent lock state [ 695.717674][ C3] 7.1.0-rc5-virtme #1 Not tainted [ 695.717800][ C3] -------------------------------- [ 695.717924][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 695.718080][ C3] swapper/3/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 695.718248][ C3] ffffffffc03c97b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 695.718526][ C3] {SOFTIRQ-ON-W} state was registered at: [ 695.718657][ C3] __lock_acquire+0x378/0xc10 [ 695.718799][ C3] lock_acquire.part.0+0xbc/0x260 [ 695.718939][ C3] _raw_spin_lock+0x33/0x40 [ 695.719084][ C3] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 695.719245][ C3] tcf_action_init_1+0x428/0x6b0 [ 695.719353][ C3] tcf_action_init+0x3cf/0x890 [ 695.719486][ C3] tcf_exts_validate_ex+0x411/0x670 [ 695.719628][ C3] fl_change+0xed4/0x4e77 [cls_flower] [ 695.719765][ C3] tc_new_tfilter+0x875/0x21e0 [ 695.719901][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 695.720029][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 695.720138][ C3] netlink_unicast+0x486/0x750 [ 695.720275][ C3] netlink_sendmsg+0x735/0xc60 [ 695.720392][ C3] ____sys_sendmsg+0x419/0x850 [ 695.720528][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 695.720654][ C3] __sys_sendmsg+0x145/0x1f0 [ 695.720781][ C3] do_syscall_64+0x117/0x590 [ 695.720904][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 695.721057][ C3] irq event stamp: 15386286 [ 695.721177][ C3] hardirqs last enabled at (15386286): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 695.721426][ C3] hardirqs last disabled at (15386285): [] _raw_spin_lock_irqsave+0x50/0x60 [ 695.721671][ C3] softirqs last enabled at (15386200): [] handle_softirqs+0x611/0x940 [ 695.721887][ C3] softirqs last disabled at (15386225): [] __irq_exit_rcu+0x103/0x1c0 [ 695.722103][ C3] [ 695.722103][ C3] other info that might help us debug this: [ 695.722302][ C3] Possible unsafe locking scenario: [ 695.722302][ C3] [ 695.722501][ C3] CPU0 [ 695.722593][ C3] ---- [ 695.722688][ C3] lock(mirred_list_lock); [ 695.722824][ C3] [ 695.722924][ C3] lock(mirred_list_lock); [ 695.723054][ C3] [ 695.723054][ C3] *** DEADLOCK *** [ 695.723054][ C3] [ 695.723247][ C3] 1 lock held by swapper/3/0: [ 695.723377][ C3] #0: ffffffff8c577c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 695.723617][ C3] [ 695.723617][ C3] stack backtrace: [ 695.723771][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 695.723775][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 695.723777][ C3] Call Trace: [ 695.723779][ C3] [ 695.723781][ C3] dump_stack_lvl+0x6f/0xa0 [ 695.723787][ C3] print_usage_bug.part.0.cold+0xa9/0xb7 [ 695.723791][ C3] ? filter_irq_stacks+0xd0/0xd0 [ 695.723795][ C3] mark_lock_irq+0x4e3/0x9c0 [ 695.723798][ C3] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 695.723801][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 695.723804][ C3] ? save_trace+0x68/0x280 [ 695.723807][ C3] mark_lock+0x1d7/0xa00 [ 695.723810][ C3] mark_usage+0x42/0x170 [ 695.723812][ C3] __lock_acquire+0x378/0xc10 [ 695.723814][ C3] ? rcu_is_watching+0x15/0xd0 [ 695.723817][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 695.723822][ C3] lock_acquire.part.0+0xbc/0x260 [ 695.723824][ C3] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 695.723828][ C3] ? rcu_is_watching+0x15/0xd0 [ 695.723830][ C3] ? lock_acquire+0x134/0x160 [ 695.723833][ C3] _raw_spin_lock+0x33/0x40 [ 695.723836][ C3] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 695.723838][ C3] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 695.723841][ C3] tcf_action_rcu_free+0x74/0x1a0 [ 695.723844][ C3] ? rcu_do_batch+0x2b4/0x1020 [ 695.723846][ C3] rcu_do_batch+0x2b6/0x1020 [ 695.723850][ C3] ? trace_rcu_batch_end+0x330/0x330 [ 695.723853][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 695.723856][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 695.723858][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 695.723860][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 695.723862][ C3] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 695.723864][ C3] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 695.723867][ C3] rcu_core+0x2bf/0x640 [ 695.723870][ C3] handle_softirqs+0x1d8/0x940 [ 695.723872][ C3] ? find_held_lock+0x2b/0x80 [ 695.723876][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 695.723878][ C3] ? _local_bh_enable+0xd0/0xd0 [ 695.723881][ C3] __irq_exit_rcu+0x103/0x1c0 [ 695.723884][ C3] irq_exit_rcu+0xe/0x30 [ 695.723886][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 695.723888][ C3] [ 695.723889][ C3] [ 695.723889][ C3] ? rcu_is_watching+0x15/0xd0 [ 695.723891][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 695.723893][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 695.723896][ C3] 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 [ 695.723897][ C3] RSP: 0018:ffa0000000167de8 EFLAGS: 00000296 [ 695.723900][ C3] RAX: 0000000000eac66f RBX: ff11000001bd0040 RCX: ffffffff892d9667 [ 695.723901][ C3] RDX: ff11000001bd0040 RSI: ffffffff8c001bcb RDI: ffffffff8ba6f6c0 [ 695.723902][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 695.723903][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc0 [ 695.723904][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 695.723905][ C3] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 695.723908][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 695.723910][ C3] default_idle+0x9/0x10 [ 695.723912][ C3] default_idle_call+0x6e/0xb0 [ 695.723913][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 695.723915][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 695.723916][ C3] ? mark_tsc_async_resets+0x30/0x30 [ 695.723919][ C3] ? rcu_is_watching+0x15/0xd0 [ 695.723921][ C3] do_idle+0xf5/0x160 [ 695.723923][ C3] cpu_startup_entry+0x53/0x70 [ 695.723924][ C3] start_secondary+0x204/0x2b0 [ 695.723926][ C3] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 695.723928][ C3] common_startup_64+0x13e/0x148 [ 695.723932][ C3] [ 700.988106][ T4659] br0: port 2(veth2) entered disabled state [ 701.005774][ T4660] br0: port 1(veth1) entered disabled state [ 701.025828][ T4661] veth2: left allmulticast mode [ 701.025969][ T4661] veth2: left promiscuous mode [ 701.026134][ T4661] br0: port 2(veth2) entered disabled state [ 701.026741][ T4661] veth1: left allmulticast mode [ 701.026833][ T4661] veth1: left promiscuous mode [ 701.026963][ T4661] br0: port 1(veth1) entered disabled state