[ 330.101161][ T4967] Mirror/redirect action on [ 350.861006][ C1] [ 350.861101][ C1] ================================ [ 350.861201][ C1] WARNING: inconsistent lock state [ 350.861289][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 350.861374][ C1] -------------------------------- [ 350.861455][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 350.861559][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 350.861684][ C1] ffffffffc08ca7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 350.861858][ C1] {SOFTIRQ-ON-W} state was registered at: [ 350.861950][ C1] __lock_acquire+0x378/0xc10 [ 350.862037][ C1] lock_acquire.part.0+0xbc/0x260 [ 350.862120][ C1] _raw_spin_lock+0x33/0x40 [ 350.862203][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 350.862306][ C1] tcf_action_init_1+0x428/0x6b0 [ 350.862389][ C1] tcf_action_init+0x3cf/0x890 [ 350.862470][ C1] tcf_exts_validate_ex+0x411/0x670 [ 350.862552][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 350.862641][ C1] tc_new_tfilter+0x875/0x21e0 [ 350.862722][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 350.862805][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 350.862895][ C1] netlink_unicast+0x486/0x750 [ 350.862977][ C1] netlink_sendmsg+0x735/0xc60 [ 350.863061][ C1] ____sys_sendmsg+0x419/0x850 [ 350.863144][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 350.863225][ C1] __sys_sendmsg+0x145/0x1f0 [ 350.863306][ C1] do_syscall_64+0x117/0x590 [ 350.863426][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 350.863543][ C1] irq event stamp: 6124580 [ 350.863634][ C1] hardirqs last enabled at (6124580): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 350.863853][ C1] hardirqs last disabled at (6124579): [] _raw_spin_lock_irqsave+0x50/0x60 [ 350.864028][ C1] softirqs last enabled at (6124356): [] handle_softirqs+0x611/0x940 [ 350.864227][ C1] softirqs last disabled at (6124429): [] __irq_exit_rcu+0x103/0x1c0 [ 350.864430][ C1] [ 350.864430][ C1] other info that might help us debug this: [ 350.864559][ C1] Possible unsafe locking scenario: [ 350.864559][ C1] [ 350.864694][ C1] CPU0 [ 350.864757][ C1] ---- [ 350.864819][ C1] lock(mirred_list_lock); [ 350.864914][ C1] [ 350.864978][ C1] lock(mirred_list_lock); [ 350.865061][ C1] [ 350.865061][ C1] *** DEADLOCK *** [ 350.865061][ C1] [ 350.865185][ C1] 1 lock held by swapper/1/0: [ 350.865272][ C1] #0: ffffffffac977c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 350.865430][ C1] [ 350.865430][ C1] stack backtrace: [ 350.865536][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 350.865539][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 350.865541][ C1] Call Trace: [ 350.865543][ C1] [ 350.865544][ C1] dump_stack_lvl+0x6f/0xa0 [ 350.865549][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 350.865552][ C1] ? filter_irq_stacks+0xd0/0xd0 [ 350.865555][ C1] mark_lock_irq+0x4e3/0x9c0 [ 350.865557][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 350.865559][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 350.865561][ C1] ? save_trace+0x68/0x280 [ 350.865563][ C1] mark_lock+0x1d7/0xa00 [ 350.865565][ C1] mark_usage+0x42/0x170 [ 350.865566][ C1] __lock_acquire+0x378/0xc10 [ 350.865567][ C1] ? rcu_is_watching+0x15/0xd0 [ 350.865569][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 350.865573][ C1] lock_acquire.part.0+0xbc/0x260 [ 350.865575][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 350.865577][ C1] ? rcu_is_watching+0x15/0xd0 [ 350.865579][ C1] ? lock_acquire+0x134/0x160 [ 350.865581][ C1] _raw_spin_lock+0x33/0x40 [ 350.865583][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 350.865584][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 350.865586][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 350.865587][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 350.865589][ C1] rcu_do_batch+0x2b6/0x1020 [ 350.865592][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 350.865594][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 350.865595][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 350.865596][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 350.865598][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 350.865599][ C1] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 350.865601][ C1] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 350.865603][ C1] rcu_core+0x2bf/0x640 [ 350.865604][ C1] handle_softirqs+0x1d8/0x940 [ 350.865606][ C1] ? find_held_lock+0x2b/0x80 [ 350.865608][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 350.865610][ C1] ? _local_bh_enable+0xd0/0xd0 [ 350.865612][ C1] __irq_exit_rcu+0x103/0x1c0 [ 350.865614][ C1] irq_exit_rcu+0xe/0x30 [ 350.865616][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 350.865619][ C1] [ 350.865620][ C1] [ 350.865621][ C1] ? rcu_is_watching+0x15/0xd0 [ 350.865623][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 350.865626][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 350.865629][ C1] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 350.865631][ C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000296 [ 350.865634][ C1] RAX: 00000000005d738b RBX: ff11000001bb2340 RCX: ffffffffa96d9667 [ 350.865636][ C1] RDX: ff11000001bb2340 RSI: ffffffffac401bcb RDI: ffffffffabe6f6c0 [ 350.865638][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 350.865639][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc0 [ 350.865641][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 350.865643][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 350.865648][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 350.865650][ C1] default_idle+0x9/0x10 [ 350.865653][ C1] default_idle_call+0x6e/0xb0 [ 350.865655][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 350.865658][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 350.865660][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 350.865663][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 350.865666][ C1] ? rcu_is_watching+0x15/0xd0 [ 350.865668][ C1] do_idle+0xf5/0x160 [ 350.865671][ C1] cpu_startup_entry+0x53/0x70 [ 350.865674][ C1] start_secondary+0x204/0x2b0 [ 350.865676][ C1] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 350.865679][ C1] common_startup_64+0x13e/0x148 [ 350.865686][ C1]