[ 8.933685][ T186] ip (186) used greatest stack depth: 23976 bytes left [ 10.490631][ T258] Mirror/redirect action on [ 10.533364][ C0] tc mirred to Houston: device veth2 is down [ 10.535368][ C0] tc mirred to Houston: device veth2 is down [ 10.726329][ C0] tc mirred to Houston: device veth3 is down [ 18.336272][ C0] [ 18.336369][ C0] ================================ [ 18.336488][ C0] WARNING: inconsistent lock state [ 18.336592][ C0] 7.1.0-rc5-virtme #1 Not tainted [ 18.336704][ C0] -------------------------------- [ 18.336803][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 18.336932][ C0] swapper/0/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 18.337056][ C0] ffffffffc05497b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 18.337276][ C0] {SOFTIRQ-ON-W} state was registered at: [ 18.337382][ C0] __lock_acquire+0x378/0xc10 [ 18.337497][ C0] lock_acquire.part.0+0xbc/0x260 [ 18.337602][ C0] _raw_spin_lock+0x33/0x40 [ 18.337712][ C0] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 18.337834][ C0] tcf_action_init_1+0x428/0x6b0 [ 18.337933][ C0] tcf_action_init+0x3cf/0x890 [ 18.338030][ C0] tcf_exts_validate_ex+0x411/0x670 [ 18.338141][ C0] mall_change+0x3cd/0xe9b [cls_matchall] [ 18.338260][ C0] tc_new_tfilter+0x875/0x21e0 [ 18.338359][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 18.338463][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 18.338563][ C0] netlink_unicast+0x486/0x750 [ 18.338666][ C0] netlink_sendmsg+0x735/0xc60 [ 18.338763][ C0] ____sys_sendmsg+0x419/0x850 [ 18.338858][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 18.338955][ C0] __sys_sendmsg+0x145/0x1f0 [ 18.339053][ C0] do_syscall_64+0x117/0x590 [ 18.339154][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.339270][ C0] irq event stamp: 507974 [ 18.339341][ C0] hardirqs last enabled at (507974): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 18.339527][ C0] hardirqs last disabled at (507973): [] _raw_spin_lock_irqsave+0x50/0x60 [ 18.339720][ C0] softirqs last enabled at (507694): [] handle_softirqs+0x611/0x940 [ 18.339882][ C0] softirqs last disabled at (507713): [] __irq_exit_rcu+0x103/0x1c0 [ 18.340102][ C0] [ 18.340102][ C0] other info that might help us debug this: [ 18.340246][ C0] Possible unsafe locking scenario: [ 18.340246][ C0] [ 18.340386][ C0] CPU0 [ 18.340506][ C0] ---- [ 18.340579][ C0] lock(mirred_list_lock); [ 18.340679][ C0] [ 18.340748][ C0] lock(mirred_list_lock); [ 18.340844][ C0] [ 18.340844][ C0] *** DEADLOCK *** [ 18.340844][ C0] [ 18.341032][ C0] 1 lock held by swapper/0/0: [ 18.341138][ C0] #0: ffffffff85977c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 18.341304][ C0] [ 18.341304][ C0] stack backtrace: [ 18.341471][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 18.341474][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.341476][ C0] Call Trace: [ 18.341477][ C0] [ 18.341479][ C0] dump_stack_lvl+0x6f/0xa0 [ 18.341483][ C0] print_usage_bug.part.0.cold+0xa9/0xb7 [ 18.341486][ C0] ? filter_irq_stacks+0xd0/0xd0 [ 18.341489][ C0] mark_lock_irq+0x4e3/0x9c0 [ 18.341491][ C0] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 18.341493][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 18.341496][ C0] ? save_trace+0x68/0x280 [ 18.341497][ C0] ? uncore_type_init+0x210/0x5e0 [ 18.341502][ C0] mark_lock+0x1d7/0xa00 [ 18.341503][ C0] mark_usage+0x42/0x170 [ 18.341505][ C0] __lock_acquire+0x378/0xc10 [ 18.341506][ C0] ? rcu_is_watching+0x15/0xd0 [ 18.341508][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 18.341512][ C0] lock_acquire.part.0+0xbc/0x260 [ 18.341513][ C0] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 18.341516][ C0] ? rcu_is_watching+0x15/0xd0 [ 18.341517][ C0] ? lock_acquire+0x134/0x160 [ 18.341519][ C0] _raw_spin_lock+0x33/0x40 [ 18.341521][ C0] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 18.341523][ C0] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 18.341525][ C0] tcf_action_rcu_free+0x74/0x1a0 [ 18.341527][ C0] ? rcu_do_batch+0x2b4/0x1020 [ 18.341528][ C0] rcu_do_batch+0x2b6/0x1020 [ 18.341531][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 18.341532][ C0] ? trace_rcu_batch_end+0x330/0x330 [ 18.341534][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 18.341536][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 18.341538][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 18.341539][ C0] ? lockdep_hardirqs_on+0x8c/0x130 [ 18.341541][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 18.341542][ C0] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 18.341544][ C0] rcu_core+0x2bf/0x640 [ 18.341546][ C0] handle_softirqs+0x1d8/0x940 [ 18.341548][ C0] ? find_held_lock+0x2b/0x80 [ 18.341551][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 18.341552][ C0] ? _local_bh_enable+0xd0/0xd0 [ 18.341554][ C0] __irq_exit_rcu+0x103/0x1c0 [ 18.341556][ C0] irq_exit_rcu+0xe/0x30 [ 18.341557][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 18.341559][ C0] [ 18.341560][ C0] [ 18.341561][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 18.341562][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 18.341565][ C0] 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 [ 18.341567][ C0] RSP: 0018:ffffffff85607e00 EFLAGS: 00000282 [ 18.341569][ C0] RAX: 000000000007bf3f RBX: ffffffff8561c740 RCX: ffffffff826d9667 [ 18.341570][ C0] RDX: ffffffff8561c740 RSI: ffffffff85401bcb RDI: ffffffff84e6f6c0 [ 18.341571][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 18.341572][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff0ac0fc3 [ 18.341573][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 18.341574][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 18.341578][ C0] default_idle+0x9/0x10 [ 18.341580][ C0] default_idle_call+0x6e/0xb0 [ 18.341581][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 18.341583][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 18.341584][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 18.341587][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 18.341588][ C0] ? rcu_is_watching+0x15/0xd0 [ 18.341590][ C0] do_idle+0xf5/0x160 [ 18.341592][ C0] cpu_startup_entry+0x53/0x70 [ 18.341593][ C0] rest_init+0x1f7/0x200 [ 18.341596][ C0] start_kernel+0x3ad/0x3b0 [ 18.341598][ C0] x86_64_start_reservations+0x24/0x30 [ 18.341600][ C0] x86_64_start_kernel+0x12b/0x130 [ 18.341602][ C0] common_startup_64+0x13e/0x148 [ 18.341607][ C0]