[ 261.023679][ T2053] GACT probability NOT on [ 302.961421][ T2281] Mirror/redirect action on [ 323.671737][ C1] [ 323.671822][ C1] ================================ [ 323.671914][ C1] WARNING: inconsistent lock state [ 323.671999][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 323.672084][ C1] -------------------------------- [ 323.672173][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 323.672273][ C1] ksoftirqd/1/23 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 323.672375][ C1] ffffffffc032d7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 323.672549][ C1] {SOFTIRQ-ON-W} state was registered at: [ 323.672632][ C1] __lock_acquire+0x378/0xc10 [ 323.672720][ C1] lock_acquire.part.0+0xbc/0x260 [ 323.672810][ C1] _raw_spin_lock+0x33/0x40 [ 323.672893][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 323.673010][ C1] tcf_action_init_1+0x428/0x6b0 [ 323.673092][ C1] tcf_action_init+0x3cf/0x890 [ 323.673174][ C1] tcf_exts_validate_ex+0x411/0x670 [ 323.673257][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 323.673339][ C1] tc_new_tfilter+0x875/0x21e0 [ 323.673420][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 323.673502][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 323.673582][ C1] netlink_unicast+0x486/0x750 [ 323.673662][ C1] netlink_sendmsg+0x735/0xc60 [ 323.673741][ C1] ____sys_sendmsg+0x419/0x850 [ 323.673821][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 323.673906][ C1] __sys_sendmsg+0x145/0x1f0 [ 323.673986][ C1] do_syscall_64+0x117/0x590 [ 323.674068][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 323.674186][ C1] irq event stamp: 5309882 [ 323.674267][ C1] hardirqs last enabled at (5309882): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 323.674427][ C1] hardirqs last disabled at (5309881): [] _raw_spin_lock_irqsave+0x50/0x60 [ 323.674585][ C1] softirqs last enabled at (5309116): [] handle_softirqs+0x611/0x940 [ 323.674728][ C1] softirqs last disabled at (5309123): [] run_ksoftirqd+0x39/0x60 [ 323.674868][ C1] [ 323.674868][ C1] other info that might help us debug this: [ 323.674988][ C1] Possible unsafe locking scenario: [ 323.674988][ C1] [ 323.675109][ C1] CPU0 [ 323.675173][ C1] ---- [ 323.675237][ C1] lock(mirred_list_lock); [ 323.675323][ C1] [ 323.675384][ C1] lock(mirred_list_lock); [ 323.675468][ C1] [ 323.675468][ C1] *** DEADLOCK *** [ 323.675468][ C1] [ 323.675588][ C1] 1 lock held by ksoftirqd/1/23: [ 323.675669][ C1] #0: ffffffffb1b77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 323.675825][ C1] [ 323.675825][ C1] stack backtrace: [ 323.675928][ C1] CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 323.675931][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 323.675932][ C1] Call Trace: [ 323.675934][ C1] [ 323.675936][ C1] dump_stack_lvl+0x6f/0xa0 [ 323.675941][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 323.675944][ C1] mark_lock_irq+0x4e3/0x9c0 [ 323.675945][ C1] ? kthread+0x367/0x460 [ 323.675949][ C1] ? save_trace+0x68/0x280 [ 323.675950][ C1] ? __lock_acquire+0x508/0xc10 [ 323.675952][ C1] mark_lock+0x1d7/0xa00 [ 323.675954][ C1] mark_usage+0x42/0x170 [ 323.675956][ C1] __lock_acquire+0x378/0xc10 [ 323.675957][ C1] ? rcu_is_watching+0x15/0xd0 [ 323.675960][ C1] lock_acquire.part.0+0xbc/0x260 [ 323.675962][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 323.675964][ C1] ? rcu_is_watching+0x15/0xd0 [ 323.675965][ C1] ? lock_acquire+0x134/0x160 [ 323.675967][ C1] _raw_spin_lock+0x33/0x40 [ 323.675969][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 323.675970][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 323.675972][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 323.675974][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 323.675976][ C1] rcu_do_batch+0x2b6/0x1020 [ 323.675978][ C1] ? rcu_start_this_gp+0x270/0x490 [ 323.675980][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 323.675982][ C1] ? rcu_is_watching+0x15/0xd0 [ 323.675984][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 323.675987][ C1] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 323.675989][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 323.675990][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 323.675993][ C1] rcu_core+0x2bf/0x640 [ 323.675995][ C1] handle_softirqs+0x1d8/0x940 [ 323.675996][ C1] ? find_held_lock+0x2b/0x80 [ 323.676000][ C1] ? _local_bh_enable+0xd0/0xd0 [ 323.676001][ C1] ? rcu_is_watching+0x15/0xd0 [ 323.676003][ C1] run_ksoftirqd+0x39/0x60 [ 323.676005][ C1] smpboot_thread_fn+0x2fb/0x9b0 [ 323.676008][ C1] ? sort_range+0x20/0x20 [ 323.676009][ C1] kthread+0x367/0x460 [ 323.676011][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 323.676013][ C1] ? kthread_affine_node+0x330/0x330 [ 323.676014][ C1] ret_from_fork+0x474/0x6b0 [ 323.676017][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 323.676019][ C1] ? __switch_to+0x5a3/0xe00 [ 323.676022][ C1] ? kthread_affine_node+0x330/0x330 [ 323.676024][ C1] ret_from_fork_asm+0x11/0x20 [ 323.676027][ C1]