[ 129.257513][ T2598] mpls_gso: MPLS GSO support [ 129.635722][ T2611] Mirror/redirect action on [ 129.753335][ C1] [ 129.753403][ C1] ================================ [ 129.753492][ C1] WARNING: inconsistent lock state [ 129.753582][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 129.753663][ C1] -------------------------------- [ 129.753742][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 129.753840][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 129.753942][ C1] ffffffffc062d7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 129.754114][ C1] {SOFTIRQ-ON-W} state was registered at: [ 129.754197][ C1] __lock_acquire+0x378/0xc10 [ 129.754286][ C1] lock_acquire.part.0+0xbc/0x260 [ 129.754364][ C1] _raw_spin_lock+0x33/0x40 [ 129.754448][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 129.754550][ C1] tcf_action_init_1+0x428/0x6b0 [ 129.754636][ C1] tcf_action_init+0x3cf/0x890 [ 129.754714][ C1] tcf_exts_validate_ex+0x411/0x670 [ 129.754799][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 129.754884][ C1] tc_new_tfilter+0x875/0x21e0 [ 129.754966][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 129.755049][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 129.755134][ C1] netlink_unicast+0x486/0x750 [ 129.755217][ C1] netlink_sendmsg+0x735/0xc60 [ 129.755300][ C1] ____sys_sendmsg+0x419/0x850 [ 129.755383][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 129.755466][ C1] __sys_sendmsg+0x145/0x1f0 [ 129.755549][ C1] do_syscall_64+0x117/0x590 [ 129.755639][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 129.755745][ C1] irq event stamp: 2946260 [ 129.755829][ C1] hardirqs last enabled at (2946260): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 129.755991][ C1] hardirqs last disabled at (2946259): [] _raw_spin_lock_irqsave+0x50/0x60 [ 129.756147][ C1] softirqs last enabled at (2946066): [] handle_softirqs+0x611/0x940 [ 129.756287][ C1] softirqs last disabled at (2946107): [] __irq_exit_rcu+0x103/0x1c0 [ 129.756432][ C1] [ 129.756432][ C1] other info that might help us debug this: [ 129.756550][ C1] Possible unsafe locking scenario: [ 129.756550][ C1] [ 129.756679][ C1] CPU0 [ 129.756739][ C1] ---- [ 129.756799][ C1] lock(mirred_list_lock); [ 129.756878][ C1] [ 129.756940][ C1] lock(mirred_list_lock); [ 129.757023][ C1] [ 129.757023][ C1] *** DEADLOCK *** [ 129.757023][ C1] [ 129.757143][ C1] 1 lock held by swapper/1/0: [ 129.757223][ C1] #0: ffffffffa518bc80 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 129.757376][ C1] [ 129.757376][ C1] stack backtrace: [ 129.757483][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 129.757485][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 129.757487][ C1] Call Trace: [ 129.757488][ C1] [ 129.757490][ C1] dump_stack_lvl+0x6f/0xa0 [ 129.757495][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 129.757497][ C1] ? filter_irq_stacks+0xd0/0xd0 [ 129.757501][ C1] mark_lock_irq+0x4e3/0x9c0 [ 129.757502][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 129.757504][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 129.757506][ C1] ? save_trace+0x68/0x280 [ 129.757508][ C1] mark_lock+0x1d7/0xa00 [ 129.757510][ C1] mark_usage+0x42/0x170 [ 129.757511][ C1] __lock_acquire+0x378/0xc10 [ 129.757513][ C1] ? rcu_is_watching+0x15/0xd0 [ 129.757514][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 129.757518][ C1] lock_acquire.part.0+0xbc/0x260 [ 129.757520][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 129.757522][ C1] ? rcu_is_watching+0x15/0xd0 [ 129.757523][ C1] ? lock_acquire+0x134/0x160 [ 129.757525][ C1] _raw_spin_lock+0x33/0x40 [ 129.757526][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 129.757528][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 129.757529][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 129.757531][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 129.757533][ C1] rcu_do_batch+0x2b6/0x1020 [ 129.757535][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 129.757537][ C1] ? rcu_is_watching+0x15/0xd0 [ 129.757539][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 129.757541][ C1] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 129.757542][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 129.757544][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 129.757545][ C1] rcu_core+0x2bf/0x640 [ 129.757547][ C1] handle_softirqs+0x1d8/0x940 [ 129.757549][ C1] ? find_held_lock+0x2b/0x80 [ 129.757550][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 129.757556][ C1] ? _local_bh_enable+0xd0/0xd0 [ 129.757558][ C1] __irq_exit_rcu+0x103/0x1c0 [ 129.757559][ C1] irq_exit_rcu+0xe/0x30 [ 129.757561][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 129.757562][ C1] [ 129.757563][ C1] [ 129.757563][ C1] ? rcu_is_watching+0x15/0xd0 [ 129.757565][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 129.757566][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 129.757569][ 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 [ 129.757570][ C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000296 [ 129.757572][ C1] RAX: 00000000002cf439 RBX: ff11000001b9a340 RCX: ffffffffa16ea8a7 [ 129.757574][ C1] RDX: ff11000001b9a340 RSI: ffffffffa4693d1a RDI: ffffffffa40727c0 [ 129.757575][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 129.757575][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc0 [ 129.757576][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 129.757578][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 129.757581][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 129.757582][ C1] default_idle+0x9/0x10 [ 129.757584][ C1] default_idle_call+0x6e/0xb0 [ 129.757585][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 129.757587][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 129.757588][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 129.757591][ C1] ? rcu_is_watching+0x15/0xd0 [ 129.757593][ C1] do_idle+0xf5/0x160 [ 129.757594][ C1] cpu_startup_entry+0x53/0x70 [ 129.757596][ C1] start_secondary+0x204/0x2b0 [ 129.757598][ C1] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 129.757600][ C1] common_startup_64+0x13e/0x148 [ 129.757604][ C1]