[ 574.967557][T11037] mpls_gso: MPLS GSO support [ 575.318134][T11051] Mirror/redirect action on [ 575.440854][ C2] [ 575.440923][ C2] ================================ [ 575.441007][ C2] WARNING: inconsistent lock state [ 575.441087][ C2] 7.1.0-rc5-virtme #1 Not tainted [ 575.441170][ C2] -------------------------------- [ 575.441252][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 575.441356][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 575.441459][ C2] ffffffffc08c97b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 575.441630][ C2] {SOFTIRQ-ON-W} state was registered at: [ 575.441713][ C2] __lock_acquire+0x378/0xc10 [ 575.441802][ C2] lock_acquire.part.0+0xbc/0x260 [ 575.441882][ C2] _raw_spin_lock+0x33/0x40 [ 575.441964][ C2] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 575.442064][ C2] tcf_action_init_1+0x428/0x6b0 [ 575.442144][ C2] tcf_action_init+0x3cf/0x890 [ 575.442227][ C2] tcf_exts_validate_ex+0x411/0x670 [ 575.442311][ C2] fl_change+0xed4/0x4e77 [cls_flower] [ 575.442394][ C2] tc_new_tfilter+0x875/0x21e0 [ 575.442476][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 575.442557][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 575.442637][ C2] netlink_unicast+0x486/0x750 [ 575.442717][ C2] netlink_sendmsg+0x735/0xc60 [ 575.442797][ C2] ____sys_sendmsg+0x419/0x850 [ 575.442879][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 575.442962][ C2] __sys_sendmsg+0x145/0x1f0 [ 575.443041][ C2] do_syscall_64+0x117/0x590 [ 575.443122][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 575.443223][ C2] irq event stamp: 22816896 [ 575.443304][ C2] hardirqs last enabled at (22816896): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 575.443469][ C2] hardirqs last disabled at (22816895): [] _raw_spin_lock_irqsave+0x50/0x60 [ 575.443629][ C2] softirqs last enabled at (22816746): [] handle_softirqs+0x611/0x940 [ 575.443771][ C2] softirqs last disabled at (22816763): [] __irq_exit_rcu+0x103/0x1c0 [ 575.443912][ C2] [ 575.443912][ C2] other info that might help us debug this: [ 575.444031][ C2] Possible unsafe locking scenario: [ 575.444031][ C2] [ 575.444148][ C2] CPU0 [ 575.444208][ C2] ---- [ 575.444270][ C2] lock(mirred_list_lock); [ 575.444352][ C2] [ 575.444412][ C2] lock(mirred_list_lock); [ 575.444494][ C2] [ 575.444494][ C2] *** DEADLOCK *** [ 575.444494][ C2] [ 575.444612][ C2] 1 lock held by swapper/2/0: [ 575.444693][ C2] #0: ffffffffa9b8bc80 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 575.444838][ C2] [ 575.444838][ C2] stack backtrace: [ 575.444940][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 575.444943][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 575.444945][ C2] Call Trace: [ 575.444946][ C2] [ 575.444948][ C2] dump_stack_lvl+0x6f/0xa0 [ 575.444953][ C2] print_usage_bug.part.0.cold+0xa9/0xb7 [ 575.444955][ C2] ? filter_irq_stacks+0xd0/0xd0 [ 575.444958][ C2] mark_lock_irq+0x4e3/0x9c0 [ 575.444960][ C2] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 575.444961][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 575.444963][ C2] ? save_trace+0x68/0x280 [ 575.444965][ C2] mark_lock+0x1d7/0xa00 [ 575.444967][ C2] mark_usage+0x42/0x170 [ 575.444968][ C2] __lock_acquire+0x378/0xc10 [ 575.444970][ C2] ? rcu_is_watching+0x15/0xd0 [ 575.444971][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 575.444975][ C2] lock_acquire.part.0+0xbc/0x260 [ 575.444977][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 575.444978][ C2] ? rcu_is_watching+0x15/0xd0 [ 575.444980][ C2] ? lock_acquire+0x134/0x160 [ 575.444982][ C2] _raw_spin_lock+0x33/0x40 [ 575.444983][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 575.444984][ C2] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 575.444986][ C2] tcf_action_rcu_free+0x74/0x1a0 [ 575.444988][ C2] ? rcu_do_batch+0x2b4/0x1020 [ 575.444989][ C2] rcu_do_batch+0x2b6/0x1020 [ 575.444992][ C2] ? trace_rcu_batch_end+0x330/0x330 [ 575.444994][ C2] ? rcu_is_watching+0x15/0xd0 [ 575.444995][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 575.444997][ C2] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 575.444998][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 575.445000][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 575.445001][ C2] rcu_core+0x2bf/0x640 [ 575.445003][ C2] handle_softirqs+0x1d8/0x940 [ 575.445005][ C2] ? find_held_lock+0x2b/0x80 [ 575.445006][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 575.445007][ C2] ? _local_bh_enable+0xd0/0xd0 [ 575.445009][ C2] __irq_exit_rcu+0x103/0x1c0 [ 575.445011][ C2] irq_exit_rcu+0xe/0x30 [ 575.445012][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 575.445014][ C2] [ 575.445014][ C2] [ 575.445015][ C2] ? rcu_is_watching+0x15/0xd0 [ 575.445016][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 575.445018][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 575.445020][ C2] 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 [ 575.445021][ C2] RSP: 0018:ffa0000000157de8 EFLAGS: 00000296 [ 575.445023][ C2] RAX: 00000000015c27f9 RBX: ff11000001b9c640 RCX: ffffffffa60ea8a7 [ 575.445025][ C2] RDX: ff11000001b9c640 RSI: ffffffffa9093d1a RDI: ffffffffa8a727c0 [ 575.445026][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 575.445026][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc0 [ 575.445027][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 575.445029][ C2] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 575.445032][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 575.445033][ C2] default_idle+0x9/0x10 [ 575.445034][ C2] default_idle_call+0x6e/0xb0 [ 575.445036][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 575.445037][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 575.445039][ C2] ? mark_tsc_async_resets+0x30/0x30 [ 575.445041][ C2] ? rcu_is_watching+0x15/0xd0 [ 575.445043][ C2] do_idle+0xf5/0x160 [ 575.445045][ C2] cpu_startup_entry+0x53/0x70 [ 575.445046][ C2] start_secondary+0x204/0x2b0 [ 575.445047][ C2] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 575.445049][ C2] common_startup_64+0x13e/0x148 [ 575.445053][ C2]