[ 1972.542368][T20687] Mirror/redirect action on [ 2036.719977][ C1] [ 2036.720081][ C1] ================================ [ 2036.720170][ C1] WARNING: inconsistent lock state [ 2036.720255][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 2036.720343][ C1] -------------------------------- [ 2036.720431][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 2036.720539][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 2036.720644][ C1] ffffffffc087a7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 2036.720815][ C1] {SOFTIRQ-ON-W} state was registered at: [ 2036.720900][ C1] __lock_acquire+0x378/0xc10 [ 2036.720996][ C1] lock_acquire.part.0+0xbc/0x260 [ 2036.721090][ C1] _raw_spin_lock+0x33/0x40 [ 2036.721175][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 2036.721279][ C1] tcf_action_init_1+0x428/0x6b0 [ 2036.721363][ C1] tcf_action_init+0x3cf/0x890 [ 2036.721453][ C1] tcf_exts_validate_ex+0x411/0x670 [ 2036.721540][ C1] u32_set_parms+0x8f/0x6c0 [cls_u32] [ 2036.721621][ C1] u32_change+0x159f/0x2a1c [cls_u32] [ 2036.721711][ C1] tc_new_tfilter+0x875/0x21e0 [ 2036.721792][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 2036.721874][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 2036.721958][ C1] netlink_unicast+0x486/0x750 [ 2036.722041][ C1] netlink_sendmsg+0x735/0xc60 [ 2036.722120][ C1] ____sys_sendmsg+0x419/0x850 [ 2036.722201][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 2036.722282][ C1] __sys_sendmsg+0x145/0x1f0 [ 2036.722362][ C1] do_syscall_64+0x117/0x590 [ 2036.722444][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2036.722557][ C1] irq event stamp: 84119114 [ 2036.722646][ C1] hardirqs last enabled at (84119114): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 2036.722810][ C1] hardirqs last disabled at (84119113): [] _raw_spin_lock_irqsave+0x50/0x60 [ 2036.722969][ C1] softirqs last enabled at (84116930): [] handle_softirqs+0x611/0x940 [ 2036.723128][ C1] softirqs last disabled at (84116939): [] __irq_exit_rcu+0x103/0x1c0 [ 2036.723275][ C1] [ 2036.723275][ C1] other info that might help us debug this: [ 2036.723393][ C1] Possible unsafe locking scenario: [ 2036.723393][ C1] [ 2036.723511][ C1] CPU0 [ 2036.723573][ C1] ---- [ 2036.723635][ C1] lock(mirred_list_lock); [ 2036.723715][ C1] [ 2036.723775][ C1] lock(mirred_list_lock); [ 2036.723858][ C1] [ 2036.723858][ C1] *** DEADLOCK *** [ 2036.723858][ C1] [ 2036.723977][ C1] 1 lock held by swapper/1/0: [ 2036.724060][ C1] #0: ffffffffa798bc80 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 2036.724216][ C1] [ 2036.724216][ C1] stack backtrace: [ 2036.724324][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 2036.724327][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2036.724329][ C1] Call Trace: [ 2036.724330][ C1] [ 2036.724332][ C1] dump_stack_lvl+0x6f/0xa0 [ 2036.724337][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 2036.724339][ C1] ? filter_irq_stacks+0xd0/0xd0 [ 2036.724342][ C1] mark_lock_irq+0x4e3/0x9c0 [ 2036.724344][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 2036.724345][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2036.724348][ C1] ? save_trace+0x68/0x280 [ 2036.724350][ C1] mark_lock+0x1d7/0xa00 [ 2036.724352][ C1] mark_usage+0x42/0x170 [ 2036.724353][ C1] __lock_acquire+0x378/0xc10 [ 2036.724355][ C1] ? rcu_is_watching+0x15/0xd0 [ 2036.724356][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 2036.724360][ C1] lock_acquire.part.0+0xbc/0x260 [ 2036.724362][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 2036.724364][ C1] ? rcu_is_watching+0x15/0xd0 [ 2036.724365][ C1] ? lock_acquire+0x134/0x160 [ 2036.724367][ C1] _raw_spin_lock+0x33/0x40 [ 2036.724368][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 2036.724370][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 2036.724371][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 2036.724373][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 2036.724375][ C1] rcu_do_batch+0x2b6/0x1020 [ 2036.724377][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 2036.724379][ C1] ? rcu_is_watching+0x15/0xd0 [ 2036.724381][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 2036.724382][ C1] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 2036.724384][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 2036.724385][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 2036.724387][ C1] rcu_core+0x2bf/0x640 [ 2036.724389][ C1] handle_softirqs+0x1d8/0x940 [ 2036.724390][ C1] ? find_held_lock+0x2b/0x80 [ 2036.724392][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 2036.724393][ C1] ? _local_bh_enable+0xd0/0xd0 [ 2036.724396][ C1] __irq_exit_rcu+0x103/0x1c0 [ 2036.724397][ C1] irq_exit_rcu+0xe/0x30 [ 2036.724398][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 2036.724400][ C1] [ 2036.724400][ C1] [ 2036.724401][ C1] ? rcu_is_watching+0x15/0xd0 [ 2036.724402][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2036.724404][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 2036.724406][ 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 [ 2036.724408][ C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000296 [ 2036.724410][ C1] RAX: 00000000050385c9 RBX: ff11000001b9a340 RCX: ffffffffa3eea8a7 [ 2036.724411][ C1] RDX: ff11000001b9a340 RSI: ffffffffa6e93d1a RDI: ffffffffa68727c0 [ 2036.724412][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2036.724413][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc0 [ 2036.724414][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 2036.724415][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 2036.724419][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 2036.724420][ C1] default_idle+0x9/0x10 [ 2036.724421][ C1] default_idle_call+0x6e/0xb0 [ 2036.724423][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 2036.724424][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 2036.724426][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 2036.724428][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 2036.724430][ C1] ? rcu_is_watching+0x15/0xd0 [ 2036.724432][ C1] do_idle+0xf5/0x160 [ 2036.724433][ C1] cpu_startup_entry+0x53/0x70 [ 2036.724435][ C1] start_secondary+0x204/0x2b0 [ 2036.724436][ C1] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 2036.724438][ C1] common_startup_64+0x13e/0x148 [ 2036.724443][ C1]