[ 331.467205][ T2872] GACT probability NOT on [ 373.385107][ T3100] Mirror/redirect action on [ 394.070321][ C2] [ 394.070406][ C2] ================================ [ 394.070494][ C2] WARNING: inconsistent lock state [ 394.070580][ C2] 7.1.0-rc5-virtme #1 Not tainted [ 394.070664][ C2] -------------------------------- [ 394.070754][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 394.070860][ C2] ksoftirqd/2/28 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 394.070965][ C2] ffffffffc04cc7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 394.071135][ C2] {SOFTIRQ-ON-W} state was registered at: [ 394.071219][ C2] __lock_acquire+0x378/0xc10 [ 394.071305][ C2] lock_acquire.part.0+0xbc/0x260 [ 394.071389][ C2] _raw_spin_lock+0x33/0x40 [ 394.071476][ C2] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 394.071575][ C2] tcf_action_init_1+0x428/0x6b0 [ 394.071658][ C2] tcf_action_init+0x3cf/0x890 [ 394.071742][ C2] tcf_exts_validate_ex+0x411/0x670 [ 394.071824][ C2] fl_change+0xed4/0x4e77 [cls_flower] [ 394.071907][ C2] tc_new_tfilter+0x875/0x21e0 [ 394.071988][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 394.072069][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 394.072152][ C2] netlink_unicast+0x486/0x750 [ 394.072232][ C2] netlink_sendmsg+0x735/0xc60 [ 394.072312][ C2] ____sys_sendmsg+0x419/0x850 [ 394.072400][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 394.072480][ C2] __sys_sendmsg+0x145/0x1f0 [ 394.072560][ C2] do_syscall_64+0x117/0x590 [ 394.072640][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 394.072746][ C2] irq event stamp: 4865408 [ 394.072830][ C2] hardirqs last enabled at (4865408): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 394.072992][ C2] hardirqs last disabled at (4865407): [] _raw_spin_lock_irqsave+0x50/0x60 [ 394.073151][ C2] softirqs last enabled at (4864696): [] handle_softirqs+0x611/0x940 [ 394.073292][ C2] softirqs last disabled at (4864699): [] run_ksoftirqd+0x39/0x60 [ 394.073435][ C2] [ 394.073435][ C2] other info that might help us debug this: [ 394.073556][ C2] Possible unsafe locking scenario: [ 394.073556][ C2] [ 394.073673][ C2] CPU0 [ 394.073737][ C2] ---- [ 394.073799][ C2] lock(mirred_list_lock); [ 394.073882][ C2] [ 394.073943][ C2] lock(mirred_list_lock); [ 394.074022][ C2] [ 394.074022][ C2] *** DEADLOCK *** [ 394.074022][ C2] [ 394.074140][ C2] 1 lock held by ksoftirqd/2/28: [ 394.074219][ C2] #0: ffffffff9bd77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 394.074363][ C2] [ 394.074363][ C2] stack backtrace: [ 394.074464][ C2] CPU: 2 UID: 0 PID: 28 Comm: ksoftirqd/2 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 394.074467][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 394.074468][ C2] Call Trace: [ 394.074470][ C2] [ 394.074471][ C2] dump_stack_lvl+0x6f/0xa0 [ 394.074477][ C2] print_usage_bug.part.0.cold+0xa9/0xb7 [ 394.074480][ C2] mark_lock_irq+0x4e3/0x9c0 [ 394.074482][ C2] ? kthread+0x367/0x460 [ 394.074485][ C2] ? save_trace+0x68/0x280 [ 394.074486][ C2] ? __lock_acquire+0x508/0xc10 [ 394.074489][ C2] mark_lock+0x1d7/0xa00 [ 394.074490][ C2] mark_usage+0x42/0x170 [ 394.074492][ C2] __lock_acquire+0x378/0xc10 [ 394.074493][ C2] ? rcu_is_watching+0x15/0xd0 [ 394.074497][ C2] lock_acquire.part.0+0xbc/0x260 [ 394.074498][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 394.074500][ C2] ? rcu_is_watching+0x15/0xd0 [ 394.074502][ C2] ? lock_acquire+0x134/0x160 [ 394.074504][ C2] _raw_spin_lock+0x33/0x40 [ 394.074506][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 394.074507][ C2] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 394.074509][ C2] tcf_action_rcu_free+0x74/0x1a0 [ 394.074511][ C2] ? rcu_do_batch+0x2b4/0x1020 [ 394.074512][ C2] rcu_do_batch+0x2b6/0x1020 [ 394.074515][ C2] ? rcu_start_this_gp+0x270/0x490 [ 394.074517][ C2] ? trace_rcu_batch_end+0x330/0x330 [ 394.074519][ C2] ? rcu_is_watching+0x15/0xd0 [ 394.074521][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 394.074524][ C2] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 394.074526][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 394.074527][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 394.074530][ C2] rcu_core+0x2bf/0x640 [ 394.074532][ C2] handle_softirqs+0x1d8/0x940 [ 394.074534][ C2] ? _local_bh_enable+0xd0/0xd0 [ 394.074535][ C2] ? perf_trace_sched_switch+0x7d0/0x7d0 [ 394.074538][ C2] ? rcu_is_watching+0x15/0xd0 [ 394.074540][ C2] ? rcu_is_watching+0x15/0xd0 [ 394.074542][ C2] run_ksoftirqd+0x39/0x60 [ 394.074543][ C2] smpboot_thread_fn+0x2fb/0x9b0 [ 394.074546][ C2] ? sort_range+0x20/0x20 [ 394.074547][ C2] kthread+0x367/0x460 [ 394.074549][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 394.074551][ C2] ? kthread_affine_node+0x330/0x330 [ 394.074552][ C2] ret_from_fork+0x474/0x6b0 [ 394.074555][ C2] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 394.074557][ C2] ? __switch_to+0x5a3/0xe00 [ 394.074560][ C2] ? kthread_affine_node+0x330/0x330 [ 394.074562][ C2] ret_from_fork_asm+0x11/0x20 [ 394.074565][ C2]