[ 874.236253][T23550] Mirror/redirect action on [ 874.270501][ C2] tc mirred to Houston: device veth2 is down [ 874.427897][ C0] tc mirred to Houston: device veth3 is down [ 881.972718][ C0] [ 881.972813][ C0] ================================ [ 881.972916][ C0] WARNING: inconsistent lock state [ 881.973013][ C0] 7.1.0-rc5-virtme #1 Not tainted [ 881.973111][ C0] -------------------------------- [ 881.973209][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 881.973332][ C0] swapper/0/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 881.973456][ C0] ffffffffc06327b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 881.973653][ C0] {SOFTIRQ-ON-W} state was registered at: [ 881.973749][ C0] __lock_acquire+0x378/0xc10 [ 881.973849][ C0] lock_acquire.part.0+0xbc/0x260 [ 881.973944][ C0] _raw_spin_lock+0x33/0x40 [ 881.974044][ C0] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 881.974164][ C0] tcf_action_init_1+0x428/0x6b0 [ 881.974258][ C0] tcf_action_init+0x3cf/0x890 [ 881.974353][ C0] tcf_exts_validate_ex+0x411/0x670 [ 881.974451][ C0] mall_change+0x3cd/0xe9b [cls_matchall] [ 881.974582][ C0] tc_new_tfilter+0x875/0x21e0 [ 881.974673][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 881.974766][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 881.974863][ C0] netlink_unicast+0x486/0x750 [ 881.974955][ C0] netlink_sendmsg+0x735/0xc60 [ 881.975048][ C0] ____sys_sendmsg+0x419/0x850 [ 881.975143][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 881.975238][ C0] __sys_sendmsg+0x145/0x1f0 [ 881.975338][ C0] do_syscall_64+0x117/0x590 [ 881.975436][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 881.975554][ C0] irq event stamp: 41862774 [ 881.975645][ C0] hardirqs last enabled at (41862774): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 881.975837][ C0] hardirqs last disabled at (41862773): [] _raw_spin_lock_irqsave+0x50/0x60 [ 881.976025][ C0] softirqs last enabled at (41862600): [] handle_softirqs+0x611/0x940 [ 881.976189][ C0] softirqs last disabled at (41862619): [] __irq_exit_rcu+0x103/0x1c0 [ 881.976355][ C0] [ 881.976355][ C0] other info that might help us debug this: [ 881.976498][ C0] Possible unsafe locking scenario: [ 881.976498][ C0] [ 881.976698][ C0] CPU0 [ 881.976778][ C0] ---- [ 881.976850][ C0] lock(mirred_list_lock); [ 881.976944][ C0] [ 881.977014][ C0] lock(mirred_list_lock); [ 881.977108][ C0] [ 881.977108][ C0] *** DEADLOCK *** [ 881.977108][ C0] [ 881.977246][ C0] 1 lock held by swapper/0/0: [ 881.977349][ C0] #0: ffffffff84f77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 881.977571][ C0] [ 881.977571][ C0] stack backtrace: [ 881.977685][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 881.977687][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 881.977689][ C0] Call Trace: [ 881.977691][ C0] [ 881.977692][ C0] dump_stack_lvl+0x6f/0xa0 [ 881.977697][ C0] print_usage_bug.part.0.cold+0xa9/0xb7 [ 881.977700][ C0] ? filter_irq_stacks+0xd0/0xd0 [ 881.977703][ C0] mark_lock_irq+0x4e3/0x9c0 [ 881.977705][ C0] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 881.977707][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 881.977709][ C0] ? save_trace+0x68/0x280 [ 881.977711][ C0] ? uncore_type_init+0x210/0x5e0 [ 881.977716][ C0] mark_lock+0x1d7/0xa00 [ 881.977718][ C0] mark_usage+0x42/0x170 [ 881.977719][ C0] __lock_acquire+0x378/0xc10 [ 881.977721][ C0] ? rcu_is_watching+0x15/0xd0 [ 881.977723][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 881.977726][ C0] lock_acquire.part.0+0xbc/0x260 [ 881.977728][ C0] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 881.977730][ C0] ? rcu_is_watching+0x15/0xd0 [ 881.977732][ C0] ? lock_acquire+0x134/0x160 [ 881.977734][ C0] _raw_spin_lock+0x33/0x40 [ 881.977735][ C0] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 881.977737][ C0] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 881.977739][ C0] tcf_action_rcu_free+0x74/0x1a0 [ 881.977740][ C0] ? rcu_do_batch+0x2b4/0x1020 [ 881.977742][ C0] rcu_do_batch+0x2b6/0x1020 [ 881.977745][ C0] ? trace_rcu_batch_end+0x330/0x330 [ 881.977747][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 881.977748][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 881.977750][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 881.977751][ C0] ? lockdep_hardirqs_on+0x8c/0x130 [ 881.977753][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 881.977755][ C0] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 881.977757][ C0] rcu_core+0x2bf/0x640 [ 881.977758][ C0] handle_softirqs+0x1d8/0x940 [ 881.977760][ C0] ? find_held_lock+0x2b/0x80 [ 881.977763][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 881.977765][ C0] ? _local_bh_enable+0xd0/0xd0 [ 881.977767][ C0] __irq_exit_rcu+0x103/0x1c0 [ 881.977768][ C0] irq_exit_rcu+0xe/0x30 [ 881.977770][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 881.977772][ C0] [ 881.977772][ C0] [ 881.977773][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 881.977775][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 881.977777][ 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 [ 881.977780][ C0] RSP: 0018:ffffffff84c07e00 EFLAGS: 00000282 [ 881.977782][ C0] RAX: 00000000027ec5d9 RBX: ffffffff84c1c740 RCX: ffffffff81cd9667 [ 881.977783][ C0] RDX: ffffffff84c1c740 RSI: ffffffff84a01bcb RDI: ffffffff8446f6c0 [ 881.977784][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 881.977785][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff0980fc3 [ 881.977786][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 881.977787][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 881.977791][ C0] default_idle+0x9/0x10 [ 881.977793][ C0] default_idle_call+0x6e/0xb0 [ 881.977794][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 881.977796][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 881.977797][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 881.977800][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 881.977802][ C0] ? rcu_is_watching+0x15/0xd0 [ 881.977804][ C0] do_idle+0xf5/0x160 [ 881.977805][ C0] cpu_startup_entry+0x53/0x70 [ 881.977807][ C0] rest_init+0x1f7/0x200 [ 881.977809][ C0] start_kernel+0x3ad/0x3b0 [ 881.977811][ C0] x86_64_start_reservations+0x24/0x30 [ 881.977813][ C0] x86_64_start_kernel+0x12b/0x130 [ 881.977815][ C0] common_startup_64+0x13e/0x148 [ 881.977820][ C0]