[ 764.556729][T22516] Mirror/redirect action on [ 764.607614][ C2] tc mirred to Houston: device veth2 is down [ 764.623809][ C1] tc mirred to Houston: device veth2 is down [ 764.822594][ C1] tc mirred to Houston: device veth3 is down [ 772.491335][ C1] [ 772.491425][ C1] ================================ [ 772.491521][ C1] WARNING: inconsistent lock state [ 772.491641][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 772.491771][ C1] -------------------------------- [ 772.491905][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 772.492062][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 772.492185][ C1] ffffffffc05d27b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 772.492444][ C1] {SOFTIRQ-ON-W} state was registered at: [ 772.492595][ C1] __lock_acquire+0x378/0xc10 [ 772.492714][ C1] lock_acquire.part.0+0xbc/0x260 [ 772.492819][ C1] _raw_spin_lock+0x33/0x40 [ 772.492913][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 772.493033][ C1] tcf_action_init_1+0x428/0x6b0 [ 772.493125][ C1] tcf_action_init+0x3cf/0x890 [ 772.493211][ C1] tcf_exts_validate_ex+0x411/0x670 [ 772.493307][ C1] mall_change+0x3cd/0xe9b [cls_matchall] [ 772.493413][ C1] tc_new_tfilter+0x875/0x21e0 [ 772.493498][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 772.493584][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 772.493667][ C1] netlink_unicast+0x486/0x750 [ 772.493754][ C1] netlink_sendmsg+0x735/0xc60 [ 772.493848][ C1] ____sys_sendmsg+0x419/0x850 [ 772.493978][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 772.494062][ C1] __sys_sendmsg+0x145/0x1f0 [ 772.494147][ C1] do_syscall_64+0x117/0x590 [ 772.494239][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 772.494400][ C1] irq event stamp: 30414922 [ 772.494485][ C1] hardirqs last enabled at (30414922): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 772.494655][ C1] hardirqs last disabled at (30414921): [] _raw_spin_lock_irqsave+0x50/0x60 [ 772.494882][ C1] softirqs last enabled at (30414682): [] handle_softirqs+0x611/0x940 [ 772.495076][ C1] softirqs last disabled at (30414751): [] __irq_exit_rcu+0x103/0x1c0 [ 772.495292][ C1] [ 772.495292][ C1] other info that might help us debug this: [ 772.495416][ C1] Possible unsafe locking scenario: [ 772.495416][ C1] [ 772.495646][ C1] CPU0 [ 772.495753][ C1] ---- [ 772.495863][ C1] lock(mirred_list_lock); [ 772.496007][ C1] [ 772.496109][ C1] lock(mirred_list_lock); [ 772.496352][ C1] [ 772.496352][ C1] *** DEADLOCK *** [ 772.496352][ C1] [ 772.496550][ C1] 1 lock held by swapper/1/0: [ 772.496687][ C1] #0: ffffffff89577c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 772.496996][ C1] [ 772.496996][ C1] stack backtrace: [ 772.497107][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 772.497111][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 772.497113][ C1] Call Trace: [ 772.497114][ C1] [ 772.497116][ C1] dump_stack_lvl+0x6f/0xa0 [ 772.497122][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 772.497124][ C1] ? filter_irq_stacks+0xd0/0xd0 [ 772.497128][ C1] mark_lock_irq+0x4e3/0x9c0 [ 772.497130][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 772.497133][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 772.497136][ C1] ? save_trace+0x68/0x280 [ 772.497140][ C1] mark_lock+0x1d7/0xa00 [ 772.497146][ C1] mark_usage+0x42/0x170 [ 772.497150][ C1] __lock_acquire+0x378/0xc10 [ 772.497154][ C1] ? rcu_is_watching+0x15/0xd0 [ 772.497160][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 772.497166][ C1] lock_acquire.part.0+0xbc/0x260 [ 772.497169][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 772.497173][ C1] ? rcu_is_watching+0x15/0xd0 [ 772.497175][ C1] ? lock_acquire+0x134/0x160 [ 772.497180][ C1] _raw_spin_lock+0x33/0x40 [ 772.497186][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 772.497190][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 772.497193][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 772.497196][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 772.497199][ C1] rcu_do_batch+0x2b6/0x1020 [ 772.497203][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 772.497206][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 772.497209][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 772.497212][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 772.497214][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 772.497216][ C1] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 772.497219][ C1] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 772.497222][ C1] rcu_core+0x2bf/0x640 [ 772.497224][ C1] handle_softirqs+0x1d8/0x940 [ 772.497227][ C1] ? find_held_lock+0x2b/0x80 [ 772.497230][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 772.497232][ C1] ? _local_bh_enable+0xd0/0xd0 [ 772.497236][ C1] __irq_exit_rcu+0x103/0x1c0 [ 772.497238][ C1] irq_exit_rcu+0xe/0x30 [ 772.497240][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 772.497243][ C1] [ 772.497244][ C1] [ 772.497245][ C1] ? rcu_is_watching+0x15/0xd0 [ 772.497247][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 772.497249][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 772.497253][ C1] 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 [ 772.497255][ C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000296 [ 772.497259][ C1] RAX: 0000000001d0179d RBX: ff11000001bb2340 RCX: ffffffff862d9667 [ 772.497261][ C1] RDX: ff11000001bb2340 RSI: ffffffff89001bcb RDI: ffffffff88a6f6c0 [ 772.497262][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 772.497271][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc0 [ 772.497273][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 772.497275][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 772.497280][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 772.497282][ C1] default_idle+0x9/0x10 [ 772.497284][ C1] default_idle_call+0x6e/0xb0 [ 772.497287][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 772.497289][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 772.497291][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 772.497294][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 772.497296][ C1] ? rcu_is_watching+0x15/0xd0 [ 772.497299][ C1] do_idle+0xf5/0x160 [ 772.497302][ C1] cpu_startup_entry+0x53/0x70 [ 772.497304][ C1] start_secondary+0x204/0x2b0 [ 772.497306][ C1] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 772.497309][ C1] common_startup_64+0x13e/0x148 [ 772.497314][ C1]