[ 2006.150363][T18961] Mirror/redirect action on [ 2009.378394][ C1] [ 2009.378473][ C1] ================================ [ 2009.378559][ C1] WARNING: inconsistent lock state [ 2009.378646][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 2009.378727][ C1] -------------------------------- [ 2009.378802][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 2009.378900][ C1] ksoftirqd/1/23 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 2009.378996][ C1] ffffffffc08fd7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 2009.379153][ C1] {SOFTIRQ-ON-W} state was registered at: [ 2009.379231][ C1] __lock_acquire+0x378/0xc10 [ 2009.379312][ C1] lock_acquire.part.0+0xbc/0x260 [ 2009.379386][ C1] _raw_spin_lock+0x33/0x40 [ 2009.379462][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 2009.379561][ C1] tcf_action_init_1+0x428/0x6b0 [ 2009.379637][ C1] tcf_action_init+0x3cf/0x890 [ 2009.379710][ C1] tcf_exts_validate_ex+0x411/0x670 [ 2009.379786][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 2009.379865][ C1] tc_new_tfilter+0x875/0x21e0 [ 2009.379945][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 2009.380021][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 2009.380103][ C1] netlink_unicast+0x486/0x750 [ 2009.380183][ C1] netlink_sendmsg+0x735/0xc60 [ 2009.380261][ C1] ____sys_sendmsg+0x419/0x850 [ 2009.380340][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 2009.380413][ C1] __sys_sendmsg+0x145/0x1f0 [ 2009.380487][ C1] do_syscall_64+0x117/0x590 [ 2009.380564][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2009.380656][ C1] irq event stamp: 35461040 [ 2009.380738][ C1] hardirqs last enabled at (35461040): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 2009.380886][ C1] hardirqs last disabled at (35461039): [] _raw_spin_lock_irqsave+0x50/0x60 [ 2009.381040][ C1] softirqs last enabled at (35460766): [] handle_softirqs+0x611/0x940 [ 2009.381175][ C1] softirqs last disabled at (35460769): [] run_ksoftirqd+0x39/0x60 [ 2009.381303][ C1] [ 2009.381303][ C1] other info that might help us debug this: [ 2009.381414][ C1] Possible unsafe locking scenario: [ 2009.381414][ C1] [ 2009.381524][ C1] CPU0 [ 2009.381584][ C1] ---- [ 2009.381640][ C1] lock(mirred_list_lock); [ 2009.381715][ C1] [ 2009.381776][ C1] lock(mirred_list_lock); [ 2009.381859][ C1] [ 2009.381859][ C1] *** DEADLOCK *** [ 2009.381859][ C1] [ 2009.381973][ C1] 1 lock held by ksoftirqd/1/23: [ 2009.382054][ C1] #0: ffffffff9558bc80 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 2009.382193][ C1] [ 2009.382193][ C1] stack backtrace: [ 2009.382293][ C1] CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 2009.382296][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2009.382298][ C1] Call Trace: [ 2009.382299][ C1] [ 2009.382301][ C1] dump_stack_lvl+0x6f/0xa0 [ 2009.382306][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 2009.382309][ C1] mark_lock_irq+0x4e3/0x9c0 [ 2009.382311][ C1] ? kthread+0x367/0x460 [ 2009.382314][ C1] ? save_trace+0x68/0x280 [ 2009.382315][ C1] ? __lock_acquire+0x508/0xc10 [ 2009.382317][ C1] mark_lock+0x1d7/0xa00 [ 2009.382319][ C1] mark_usage+0x42/0x170 [ 2009.382320][ C1] __lock_acquire+0x378/0xc10 [ 2009.382322][ C1] ? rcu_is_watching+0x15/0xd0 [ 2009.382325][ C1] lock_acquire.part.0+0xbc/0x260 [ 2009.382326][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 2009.382328][ C1] ? rcu_is_watching+0x15/0xd0 [ 2009.382330][ C1] ? lock_acquire+0x134/0x160 [ 2009.382332][ C1] _raw_spin_lock+0x33/0x40 [ 2009.382333][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 2009.382334][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 2009.382336][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 2009.382337][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 2009.382339][ C1] rcu_do_batch+0x2b6/0x1020 [ 2009.382342][ C1] ? rcu_is_watching+0x15/0xd0 [ 2009.382343][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 2009.382345][ C1] ? finish_task_switch.isra.0+0x216/0x990 [ 2009.382347][ C1] ? rcu_is_watching+0x15/0xd0 [ 2009.382349][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 2009.382352][ C1] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 2009.382354][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 2009.382355][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 2009.382357][ C1] rcu_core+0x2bf/0x640 [ 2009.382358][ C1] handle_softirqs+0x1d8/0x940 [ 2009.382361][ C1] ? _local_bh_enable+0xd0/0xd0 [ 2009.382362][ C1] ? perf_trace_sched_switch+0x7d0/0x7d0 [ 2009.382364][ C1] ? rcu_is_watching+0x15/0xd0 [ 2009.382366][ C1] ? rcu_is_watching+0x15/0xd0 [ 2009.382367][ C1] run_ksoftirqd+0x39/0x60 [ 2009.382369][ C1] smpboot_thread_fn+0x2fb/0x9b0 [ 2009.382372][ C1] ? sort_range+0x20/0x20 [ 2009.382373][ C1] kthread+0x367/0x460 [ 2009.382375][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 2009.382376][ C1] ? kthread_affine_node+0x330/0x330 [ 2009.382378][ C1] ret_from_fork+0x474/0x6b0 [ 2009.382381][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 2009.382383][ C1] ? __switch_to+0x5a3/0xe00 [ 2009.382385][ C1] ? kthread_affine_node+0x330/0x330 [ 2009.382387][ C1] ret_from_fork_asm+0x11/0x20 [ 2009.382391][ C1]