[ 258.207755][ T5244] mpls_gso: MPLS GSO support [ 258.536700][ T5258] Mirror/redirect action on [ 258.660944][ C1] [ 258.661011][ C1] ================================ [ 258.661096][ C1] WARNING: inconsistent lock state [ 258.661183][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 258.661267][ C1] -------------------------------- [ 258.661348][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 258.661446][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 258.661555][ C1] ffffffffc061c7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 258.661730][ C1] {SOFTIRQ-ON-W} state was registered at: [ 258.661810][ C1] __lock_acquire+0x378/0xc10 [ 258.661903][ C1] lock_acquire.part.0+0xbc/0x260 [ 258.661981][ C1] _raw_spin_lock+0x33/0x40 [ 258.662063][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 258.662161][ C1] tcf_action_init_1+0x428/0x6b0 [ 258.662241][ C1] tcf_action_init+0x3cf/0x890 [ 258.662325][ C1] tcf_exts_validate_ex+0x411/0x670 [ 258.662407][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 258.662492][ C1] tc_new_tfilter+0x875/0x21e0 [ 258.662575][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 258.662663][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 258.662745][ C1] netlink_unicast+0x486/0x750 [ 258.662823][ C1] netlink_sendmsg+0x735/0xc60 [ 258.662902][ C1] ____sys_sendmsg+0x419/0x850 [ 258.662981][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 258.663064][ C1] __sys_sendmsg+0x145/0x1f0 [ 258.663143][ C1] do_syscall_64+0x117/0x590 [ 258.663222][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 258.663332][ C1] irq event stamp: 8811398 [ 258.663412][ C1] hardirqs last enabled at (8811398): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 258.663570][ C1] hardirqs last disabled at (8811397): [] _raw_spin_lock_irqsave+0x50/0x60 [ 258.663728][ C1] softirqs last enabled at (8811120): [] handle_softirqs+0x611/0x940 [ 258.663870][ C1] softirqs last disabled at (8811265): [] __irq_exit_rcu+0x103/0x1c0 [ 258.664007][ C1] [ 258.664007][ C1] other info that might help us debug this: [ 258.664129][ C1] Possible unsafe locking scenario: [ 258.664129][ C1] [ 258.664247][ C1] CPU0 [ 258.664307][ C1] ---- [ 258.664373][ C1] lock(mirred_list_lock); [ 258.664453][ C1] [ 258.664520][ C1] lock(mirred_list_lock); [ 258.664607][ C1] [ 258.664607][ C1] *** DEADLOCK *** [ 258.664607][ C1] [ 258.664722][ C1] 1 lock held by swapper/1/0: [ 258.664806][ C1] #0: ffffffffb578bc80 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 258.664951][ C1] [ 258.664951][ C1] stack backtrace: [ 258.665055][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 258.665058][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 258.665060][ C1] Call Trace: [ 258.665061][ C1] [ 258.665063][ C1] dump_stack_lvl+0x6f/0xa0 [ 258.665068][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 258.665071][ C1] ? filter_irq_stacks+0xd0/0xd0 [ 258.665074][ C1] mark_lock_irq+0x4e3/0x9c0 [ 258.665076][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 258.665077][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 258.665079][ C1] ? save_trace+0x68/0x280 [ 258.665081][ C1] mark_lock+0x1d7/0xa00 [ 258.665083][ C1] mark_usage+0x42/0x170 [ 258.665084][ C1] __lock_acquire+0x378/0xc10 [ 258.665086][ C1] ? rcu_is_watching+0x15/0xd0 [ 258.665088][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 258.665091][ C1] lock_acquire.part.0+0xbc/0x260 [ 258.665093][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 258.665095][ C1] ? rcu_is_watching+0x15/0xd0 [ 258.665096][ C1] ? lock_acquire+0x134/0x160 [ 258.665098][ C1] _raw_spin_lock+0x33/0x40 [ 258.665099][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 258.665101][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 258.665102][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 258.665104][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 258.665105][ C1] rcu_do_batch+0x2b6/0x1020 [ 258.665108][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 258.665110][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 258.665112][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 258.665113][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 258.665115][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 258.665116][ C1] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 258.665117][ C1] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 258.665118][ C1] rcu_core+0x2bf/0x640 [ 258.665120][ C1] handle_softirqs+0x1d8/0x940 [ 258.665122][ C1] ? find_held_lock+0x2b/0x80 [ 258.665123][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 258.665125][ C1] ? _local_bh_enable+0xd0/0xd0 [ 258.665127][ C1] __irq_exit_rcu+0x103/0x1c0 [ 258.665128][ C1] irq_exit_rcu+0xe/0x30 [ 258.665130][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 258.665131][ C1] [ 258.665132][ C1] [ 258.665132][ C1] ? rcu_is_watching+0x15/0xd0 [ 258.665134][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 258.665135][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 258.665137][ 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 [ 258.665139][ C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000296 [ 258.665141][ C1] RAX: 00000000008672ff RBX: ff11000001b9a340 RCX: ffffffffb1cea8a7 [ 258.665142][ C1] RDX: ff11000001b9a340 RSI: ffffffffb4c93d1a RDI: ffffffffb46727c0 [ 258.665143][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 258.665144][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc0 [ 258.665144][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 258.665146][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 258.665149][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 258.665150][ C1] default_idle+0x9/0x10 [ 258.665152][ C1] default_idle_call+0x6e/0xb0 [ 258.665153][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 258.665155][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 258.665156][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 258.665159][ C1] ? rcu_is_watching+0x15/0xd0 [ 258.665161][ C1] do_idle+0xf5/0x160 [ 258.665162][ C1] cpu_startup_entry+0x53/0x70 [ 258.665164][ C1] start_secondary+0x204/0x2b0 [ 258.665165][ C1] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 258.665167][ C1] common_startup_64+0x13e/0x148 [ 258.665171][ C1]