[ 9.352009][ T206] ip (206) used greatest stack depth: 23904 bytes left [ 10.974914][ T307] br: port 1(veth1) entered blocking state [ 10.975172][ T307] br: port 1(veth1) entered disabled state [ 10.975585][ T307] veth1: entered allmulticast mode [ 10.977134][ T307] veth1: entered promiscuous mode [ 10.979185][ T99] br: port 1(veth1) entered blocking state [ 10.979473][ T99] br: port 1(veth1) entered forwarding state [ 11.044569][ T312] br: port 2(veth3) entered blocking state [ 11.044772][ T312] br: port 2(veth3) entered disabled state [ 11.044945][ T312] veth3: entered allmulticast mode [ 11.047318][ T312] veth3: entered promiscuous mode [ 11.048615][ T63] br: port 2(veth3) entered blocking state [ 11.048788][ T63] br: port 2(veth3) entered forwarding state [ 11.093431][ T317] br: port 3(veth4) entered blocking state [ 11.093616][ T317] br: port 3(veth4) entered disabled state [ 11.093954][ T317] veth4: entered allmulticast mode [ 11.095766][ T317] veth4: entered promiscuous mode [ 11.096933][ T99] br: port 3(veth4) entered blocking state [ 11.097101][ T99] br: port 3(veth4) entered forwarding state [ 22.210861][ T424] tc (424) used greatest stack depth: 23496 bytes left [ 88.641712][ T749] Mirror/redirect action on [ 101.843284][ C2] [ 101.843373][ C2] ================================ [ 101.843466][ C2] WARNING: inconsistent lock state [ 101.843554][ C2] 7.1.0-rc5-virtme #1 Not tainted [ 101.843642][ C2] -------------------------------- [ 101.843727][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 101.843835][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 101.843946][ C2] ffffffffc08517b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 101.844122][ C2] {SOFTIRQ-ON-W} state was registered at: [ 101.844208][ C2] __lock_acquire+0x378/0xc10 [ 101.844309][ C2] lock_acquire.part.0+0xbc/0x260 [ 101.844397][ C2] _raw_spin_lock+0x33/0x40 [ 101.844488][ C2] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 101.844594][ C2] tcf_action_init_1+0x428/0x6b0 [ 101.844681][ C2] tcf_action_init+0x3cf/0x890 [ 101.844764][ C2] tcf_exts_validate_ex+0x411/0x670 [ 101.844848][ C2] mall_change+0x3cd/0xe9b [cls_matchall] [ 101.844954][ C2] tc_new_tfilter+0x875/0x21e0 [ 101.845038][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 101.845127][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 101.845262][ C2] netlink_unicast+0x486/0x750 [ 101.845351][ C2] netlink_sendmsg+0x735/0xc60 [ 101.845434][ C2] ____sys_sendmsg+0x419/0x850 [ 101.845523][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 101.845605][ C2] __sys_sendmsg+0x145/0x1f0 [ 101.845691][ C2] do_syscall_64+0x117/0x590 [ 101.845779][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 101.845885][ C2] irq event stamp: 7909796 [ 101.845976][ C2] hardirqs last enabled at (7909796): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 101.846146][ C2] hardirqs last disabled at (7909795): [] _raw_spin_lock_irqsave+0x50/0x60 [ 101.846369][ C2] softirqs last enabled at (7909644): [] handle_softirqs+0x611/0x940 [ 101.846520][ C2] softirqs last disabled at (7909663): [] __irq_exit_rcu+0x103/0x1c0 [ 101.846665][ C2] [ 101.846665][ C2] other info that might help us debug this: [ 101.846833][ C2] Possible unsafe locking scenario: [ 101.846833][ C2] [ 101.846959][ C2] CPU0 [ 101.847024][ C2] ---- [ 101.847130][ C2] lock(mirred_list_lock); [ 101.847214][ C2] [ 101.847281][ C2] lock(mirred_list_lock); [ 101.847364][ C2] [ 101.847364][ C2] *** DEADLOCK *** [ 101.847364][ C2] [ 101.847533][ C2] 1 lock held by swapper/2/0: [ 101.847617][ C2] #0: ffffffff84f77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 101.847769][ C2] [ 101.847769][ C2] stack backtrace: [ 101.847916][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 101.847919][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 101.847921][ C2] Call Trace: [ 101.847923][ C2] [ 101.847924][ C2] dump_stack_lvl+0x6f/0xa0 [ 101.847930][ C2] print_usage_bug.part.0.cold+0xa9/0xb7 [ 101.847932][ C2] ? filter_irq_stacks+0xd0/0xd0 [ 101.847936][ C2] mark_lock_irq+0x4e3/0x9c0 [ 101.847938][ C2] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 101.847940][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 101.847942][ C2] ? save_trace+0x68/0x280 [ 101.847944][ C2] mark_lock+0x1d7/0xa00 [ 101.847946][ C2] mark_usage+0x42/0x170 [ 101.847947][ C2] __lock_acquire+0x378/0xc10 [ 101.847949][ C2] ? rcu_is_watching+0x15/0xd0 [ 101.847951][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 101.847955][ C2] lock_acquire.part.0+0xbc/0x260 [ 101.847956][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 101.847958][ C2] ? rcu_is_watching+0x15/0xd0 [ 101.847960][ C2] ? lock_acquire+0x134/0x160 [ 101.847962][ C2] _raw_spin_lock+0x33/0x40 [ 101.847964][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 101.847965][ C2] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 101.847967][ C2] tcf_action_rcu_free+0x74/0x1a0 [ 101.847969][ C2] ? rcu_do_batch+0x2b4/0x1020 [ 101.847970][ C2] rcu_do_batch+0x2b6/0x1020 [ 101.847973][ C2] ? trace_rcu_batch_end+0x330/0x330 [ 101.847975][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 101.847977][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 101.847979][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 101.847980][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 101.847981][ C2] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 101.847983][ C2] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 101.847985][ C2] rcu_core+0x2bf/0x640 [ 101.847987][ C2] handle_softirqs+0x1d8/0x940 [ 101.847988][ C2] ? find_held_lock+0x2b/0x80 [ 101.847992][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 101.847993][ C2] ? _local_bh_enable+0xd0/0xd0 [ 101.847995][ C2] __irq_exit_rcu+0x103/0x1c0 [ 101.847996][ C2] irq_exit_rcu+0xe/0x30 [ 101.847998][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 101.848000][ C2] [ 101.848000][ C2] [ 101.848001][ C2] ? rcu_is_watching+0x15/0xd0 [ 101.848003][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 101.848004][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 101.848007][ 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 [ 101.848009][ C2] RSP: 0018:ffa0000000157de8 EFLAGS: 00000296 [ 101.848011][ C2] RAX: 000000000078b11d RBX: ff11000001bb4640 RCX: ffffffff81cd9667 [ 101.848012][ C2] RDX: ff11000001bb4640 RSI: ffffffff84a01bcb RDI: ffffffff8446f6c0 [ 101.848013][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 101.848014][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc0 [ 101.848015][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 101.848017][ C2] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 101.848020][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 101.848021][ C2] default_idle+0x9/0x10 [ 101.848023][ C2] default_idle_call+0x6e/0xb0 [ 101.848025][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 101.848027][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 101.848028][ C2] ? mark_tsc_async_resets+0x30/0x30 [ 101.848030][ C2] ? rcu_is_watching+0x15/0xd0 [ 101.848032][ C2] do_idle+0xf5/0x160 [ 101.848034][ C2] cpu_startup_entry+0x53/0x70 [ 101.848035][ C2] start_secondary+0x204/0x2b0 [ 101.848037][ C2] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 101.848039][ C2] common_startup_64+0x13e/0x148 [ 101.848044][ C2] [ 117.620214][ T926] br: port 3(veth4) entered disabled state [ 117.620587][ T926] veth4: left allmulticast mode [ 117.620719][ T926] veth4: left promiscuous mode [ 117.620918][ T926] br: port 3(veth4) entered disabled state [ 117.636616][ T928] br: port 2(veth3) entered disabled state [ 117.636861][ T928] veth3: left allmulticast mode [ 117.636952][ T928] veth3: left promiscuous mode [ 117.637091][ T928] br: port 2(veth3) entered disabled state [ 117.659745][ T930] br: port 1(veth1) entered disabled state [ 117.660025][ T930] veth1: left allmulticast mode [ 117.660119][ T930] veth1: left promiscuous mode [ 117.660279][ T930] br: port 1(veth1) entered disabled state