[ 221.970510][ T3741] mpls_gso: MPLS GSO support [ 222.292515][ T3755] Mirror/redirect action on [ 222.412222][ C1] [ 222.412288][ C1] ================================ [ 222.412377][ C1] WARNING: inconsistent lock state [ 222.412455][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 222.412532][ C1] -------------------------------- [ 222.412610][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 222.412706][ C1] ksoftirqd/1/23 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 222.412800][ C1] ffffffffc05d37b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 222.412955][ C1] {SOFTIRQ-ON-W} state was registered at: [ 222.413030][ C1] __lock_acquire+0x378/0xc10 [ 222.413114][ C1] lock_acquire.part.0+0xbc/0x260 [ 222.413191][ C1] _raw_spin_lock+0x33/0x40 [ 222.413274][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 222.413376][ C1] tcf_action_init_1+0x428/0x6b0 [ 222.413453][ C1] tcf_action_init+0x3cf/0x890 [ 222.413527][ C1] tcf_exts_validate_ex+0x411/0x670 [ 222.413603][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 222.413678][ C1] tc_new_tfilter+0x875/0x21e0 [ 222.413752][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 222.413827][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 222.413904][ C1] netlink_unicast+0x486/0x750 [ 222.413978][ C1] netlink_sendmsg+0x735/0xc60 [ 222.414052][ C1] ____sys_sendmsg+0x419/0x850 [ 222.414129][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 222.414204][ C1] __sys_sendmsg+0x145/0x1f0 [ 222.414279][ C1] do_syscall_64+0x117/0x590 [ 222.414355][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 222.414448][ C1] irq event stamp: 4272366 [ 222.414525][ C1] hardirqs last enabled at (4272366): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 222.414673][ C1] hardirqs last disabled at (4272365): [] _raw_spin_lock_irqsave+0x50/0x60 [ 222.414822][ C1] softirqs last enabled at (4272240): [] handle_softirqs+0x611/0x940 [ 222.414952][ C1] softirqs last disabled at (4272245): [] run_ksoftirqd+0x39/0x60 [ 222.415090][ C1] [ 222.415090][ C1] other info that might help us debug this: [ 222.415202][ C1] Possible unsafe locking scenario: [ 222.415202][ C1] [ 222.415313][ C1] CPU0 [ 222.415369][ C1] ---- [ 222.415426][ C1] lock(mirred_list_lock); [ 222.415502][ C1] [ 222.415561][ C1] lock(mirred_list_lock); [ 222.415639][ C1] [ 222.415639][ C1] *** DEADLOCK *** [ 222.415639][ C1] [ 222.415750][ C1] 1 lock held by ksoftirqd/1/23: [ 222.415827][ C1] #0: ffffffff9398bc80 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 222.415966][ C1] [ 222.415966][ C1] stack backtrace: [ 222.416063][ C1] CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 222.416068][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 222.416071][ C1] Call Trace: [ 222.416072][ C1] [ 222.416074][ C1] dump_stack_lvl+0x6f/0xa0 [ 222.416079][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 222.416082][ C1] mark_lock_irq+0x4e3/0x9c0 [ 222.416084][ C1] ? kthread+0x367/0x460 [ 222.416087][ C1] ? save_trace+0x68/0x280 [ 222.416088][ C1] ? __lock_acquire+0x508/0xc10 [ 222.416090][ C1] mark_lock+0x1d7/0xa00 [ 222.416092][ C1] mark_usage+0x42/0x170 [ 222.416093][ C1] __lock_acquire+0x378/0xc10 [ 222.416095][ C1] ? rcu_is_watching+0x15/0xd0 [ 222.416097][ C1] lock_acquire.part.0+0xbc/0x260 [ 222.416099][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 222.416100][ C1] ? rcu_is_watching+0x15/0xd0 [ 222.416102][ C1] ? lock_acquire+0x134/0x160 [ 222.416104][ C1] _raw_spin_lock+0x33/0x40 [ 222.416105][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 222.416107][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 222.416108][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 222.416110][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 222.416112][ C1] rcu_do_batch+0x2b6/0x1020 [ 222.416114][ C1] ? rcu_is_watching+0x15/0xd0 [ 222.416116][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 222.416118][ C1] ? finish_task_switch.isra.0+0x216/0x990 [ 222.416120][ C1] ? rcu_is_watching+0x15/0xd0 [ 222.416121][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 222.416124][ C1] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 222.416126][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 222.416127][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 222.416129][ C1] rcu_core+0x2bf/0x640 [ 222.416131][ C1] handle_softirqs+0x1d8/0x940 [ 222.416132][ C1] ? find_held_lock+0x2b/0x80 [ 222.416134][ C1] ? _local_bh_enable+0xd0/0xd0 [ 222.416136][ C1] ? rcu_is_watching+0x15/0xd0 [ 222.416138][ C1] run_ksoftirqd+0x39/0x60 [ 222.416139][ C1] smpboot_thread_fn+0x2fb/0x9b0 [ 222.416142][ C1] ? sort_range+0x20/0x20 [ 222.416144][ C1] kthread+0x367/0x460 [ 222.416145][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 222.416147][ C1] ? kthread_affine_node+0x330/0x330 [ 222.416149][ C1] ret_from_fork+0x474/0x6b0 [ 222.416152][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 222.416154][ C1] ? __switch_to+0x5a3/0xe00 [ 222.416156][ C1] ? kthread_affine_node+0x330/0x330 [ 222.416158][ C1] ret_from_fork_asm+0x11/0x20 [ 222.416161][ C1]