[ 2123.950870][T21628] mpls_gso: MPLS GSO support [ 2124.280803][T21642] Mirror/redirect action on [ 2124.406564][ C1] [ 2124.406631][ C1] ================================ [ 2124.406721][ C1] WARNING: inconsistent lock state [ 2124.406807][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 2124.406896][ C1] -------------------------------- [ 2124.406978][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 2124.407080][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 2124.407187][ C1] ffffffffc077c7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 2124.407363][ C1] {SOFTIRQ-ON-W} state was registered at: [ 2124.407442][ C1] __lock_acquire+0x378/0xc10 [ 2124.407533][ C1] lock_acquire.part.0+0xbc/0x260 [ 2124.407621][ C1] _raw_spin_lock+0x33/0x40 [ 2124.407704][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 2124.407802][ C1] tcf_action_init_1+0x428/0x6b0 [ 2124.407881][ C1] tcf_action_init+0x3cf/0x890 [ 2124.407959][ C1] tcf_exts_validate_ex+0x411/0x670 [ 2124.408040][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 2124.408122][ C1] tc_new_tfilter+0x875/0x21e0 [ 2124.408208][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 2124.408296][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 2124.408383][ C1] netlink_unicast+0x486/0x750 [ 2124.408463][ C1] netlink_sendmsg+0x735/0xc60 [ 2124.408543][ C1] ____sys_sendmsg+0x419/0x850 [ 2124.408625][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 2124.408706][ C1] __sys_sendmsg+0x145/0x1f0 [ 2124.408786][ C1] do_syscall_64+0x117/0x590 [ 2124.408869][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2124.408979][ C1] irq event stamp: 102407100 [ 2124.409065][ C1] hardirqs last enabled at (102407100): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 2124.409232][ C1] hardirqs last disabled at (102407099): [] _raw_spin_lock_irqsave+0x50/0x60 [ 2124.409398][ C1] softirqs last enabled at (102406820): [] handle_softirqs+0x611/0x940 [ 2124.409541][ C1] softirqs last disabled at (102406903): [] __irq_exit_rcu+0x103/0x1c0 [ 2124.409687][ C1] [ 2124.409687][ C1] other info that might help us debug this: [ 2124.409813][ C1] Possible unsafe locking scenario: [ 2124.409813][ C1] [ 2124.409932][ C1] CPU0 [ 2124.410001][ C1] ---- [ 2124.410061][ C1] lock(mirred_list_lock); [ 2124.410147][ C1] [ 2124.410208][ C1] lock(mirred_list_lock); [ 2124.410287][ C1] [ 2124.410287][ C1] *** DEADLOCK *** [ 2124.410287][ C1] [ 2124.410412][ C1] 1 lock held by swapper/1/0: [ 2124.410498][ C1] #0: ffffffffa8b8bc80 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 2124.410643][ C1] [ 2124.410643][ C1] stack backtrace: [ 2124.410745][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 2124.410748][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2124.410750][ C1] Call Trace: [ 2124.410752][ C1] [ 2124.410753][ C1] dump_stack_lvl+0x6f/0xa0 [ 2124.410758][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 2124.410761][ C1] ? filter_irq_stacks+0xd0/0xd0 [ 2124.410764][ C1] mark_lock_irq+0x4e3/0x9c0 [ 2124.410766][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 2124.410767][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2124.410769][ C1] ? save_trace+0x68/0x280 [ 2124.410771][ C1] mark_lock+0x1d7/0xa00 [ 2124.410773][ C1] mark_usage+0x42/0x170 [ 2124.410775][ C1] __lock_acquire+0x378/0xc10 [ 2124.410776][ C1] ? rcu_is_watching+0x15/0xd0 [ 2124.410778][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 2124.410781][ C1] lock_acquire.part.0+0xbc/0x260 [ 2124.410783][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 2124.410785][ C1] ? rcu_is_watching+0x15/0xd0 [ 2124.410786][ C1] ? lock_acquire+0x134/0x160 [ 2124.410788][ C1] _raw_spin_lock+0x33/0x40 [ 2124.410789][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 2124.410791][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 2124.410792][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 2124.410794][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 2124.410795][ C1] rcu_do_batch+0x2b6/0x1020 [ 2124.410797][ C1] ? rcu_is_watching+0x15/0xd0 [ 2124.410799][ C1] ? sched_balance_softirq+0x260/0x320 [ 2124.410802][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 2124.410804][ C1] ? sched_balance_domains+0xcd0/0xcd0 [ 2124.410805][ C1] ? rcu_is_watching+0x15/0xd0 [ 2124.410807][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 2124.410809][ C1] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 2124.410810][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 2124.410812][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 2124.410813][ C1] rcu_core+0x2bf/0x640 [ 2124.410815][ C1] handle_softirqs+0x1d8/0x940 [ 2124.410816][ C1] ? find_held_lock+0x2b/0x80 [ 2124.410818][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 2124.410820][ C1] ? _local_bh_enable+0xd0/0xd0 [ 2124.410822][ C1] __irq_exit_rcu+0x103/0x1c0 [ 2124.410823][ C1] irq_exit_rcu+0xe/0x30 [ 2124.410824][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 2124.410826][ C1] [ 2124.410826][ C1] [ 2124.410827][ C1] ? rcu_is_watching+0x15/0xd0 [ 2124.410828][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2124.410830][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 2124.410832][ C1] Code: 48 8b 3d 44 e3 60 02 e8 1f 00 00 00 48 2b 05 c8 81 9e 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 74 14 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 2124.410833][ C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000296 [ 2124.410835][ C1] RAX: 00000000061a9af5 RBX: ff11000001b9a340 RCX: ffffffffa50ea8a7 [ 2124.410837][ C1] RDX: ff11000001b9a340 RSI: ffffffffa8093d1a RDI: ffffffffa7a727c0 [ 2124.410838][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2124.410839][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc0 [ 2124.410839][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 2124.410841][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 2124.410844][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 2124.410845][ C1] default_idle+0x9/0x10 [ 2124.410846][ C1] default_idle_call+0x6e/0xb0 [ 2124.410848][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 2124.410849][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 2124.410850][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 2124.410853][ C1] ? rcu_is_watching+0x15/0xd0 [ 2124.410855][ C1] do_idle+0xf5/0x160 [ 2124.410857][ C1] cpu_startup_entry+0x53/0x70 [ 2124.410858][ C1] start_secondary+0x204/0x2b0 [ 2124.410859][ C1] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 2124.410861][ C1] common_startup_64+0x13e/0x148 [ 2124.410866][ C1]