[ 9.889620][ T247] br1: port 1(veth1) entered blocking state [ 9.889891][ T247] br1: port 1(veth1) entered disabled state [ 9.890065][ T247] veth1: entered allmulticast mode [ 9.893209][ T247] veth1: entered promiscuous mode [ 9.916757][ T92] br1: port 1(veth1) entered blocking state [ 9.917024][ T92] br1: port 1(veth1) entered forwarding state [ 9.942590][ T249] br1: port 2(veth2) entered blocking state [ 9.942790][ T249] br1: port 2(veth2) entered disabled state [ 9.943025][ T249] veth2: entered allmulticast mode [ 9.944671][ T249] veth2: entered promiscuous mode [ 9.975722][ T39] br1: port 2(veth2) entered blocking state [ 9.975912][ T39] br1: port 2(veth2) entered forwarding state [ 10.044891][ T253] 8021q: 802.1Q VLAN Support v1.8 [ 10.280676][ T266] GACT probability NOT on [ 15.975098][ T311] Mirror/redirect action on [ 22.720201][ C3] [ 22.720291][ C3] ================================ [ 22.720394][ C3] WARNING: inconsistent lock state [ 22.720496][ C3] 7.1.0-rc5-virtme #1 Not tainted [ 22.720595][ C3] -------------------------------- [ 22.720691][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 22.720816][ C3] tc/355 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 22.720919][ C3] ffffffffc06667b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 22.721118][ C3] {SOFTIRQ-ON-W} state was registered at: [ 22.721217][ C3] __lock_acquire+0x378/0xc10 [ 22.721320][ C3] lock_acquire.part.0+0xbc/0x260 [ 22.721420][ C3] _raw_spin_lock+0x33/0x40 [ 22.721519][ C3] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 22.721639][ C3] tcf_action_init_1+0x428/0x6b0 [ 22.721734][ C3] tcf_action_init+0x3cf/0x890 [ 22.721827][ C3] tcf_exts_validate_ex+0x411/0x670 [ 22.721928][ C3] mall_change+0x3cd/0xe9b [cls_matchall] [ 22.722047][ C3] tc_new_tfilter+0x875/0x21e0 [ 22.722143][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.722250][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 22.722350][ C3] netlink_unicast+0x486/0x750 [ 22.722444][ C3] netlink_sendmsg+0x735/0xc60 [ 22.722537][ C3] ____sys_sendmsg+0x419/0x850 [ 22.722632][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 22.722777][ C3] __sys_sendmsg+0x145/0x1f0 [ 22.722873][ C3] do_syscall_64+0x117/0x590 [ 22.722967][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.723131][ C3] irq event stamp: 6822 [ 22.723204][ C3] hardirqs last enabled at (6822): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 22.723389][ C3] hardirqs last disabled at (6821): [] _raw_spin_lock_irqsave+0x50/0x60 [ 22.723603][ C3] softirqs last enabled at (4518): [] handle_softirqs+0x611/0x940 [ 22.723770][ C3] softirqs last disabled at (6793): [] __irq_exit_rcu+0x103/0x1c0 [ 22.723989][ C3] [ 22.723989][ C3] other info that might help us debug this: [ 22.724130][ C3] Possible unsafe locking scenario: [ 22.724130][ C3] [ 22.724270][ C3] CPU0 [ 22.724341][ C3] ---- [ 22.724461][ C3] lock(mirred_list_lock); [ 22.724557][ C3] [ 22.724629][ C3] lock(mirred_list_lock); [ 22.724724][ C3] [ 22.724724][ C3] *** DEADLOCK *** [ 22.724724][ C3] [ 22.724916][ C3] 3 locks held by tc/355: [ 22.724989][ C3] #0: ff1100000ef73788 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x12a/0x410 [ 22.725159][ C3] #1: ff11000004d28378 (&mm->mmap_lock){++++}-{4:4}, at: __vmf_anon_prepare+0xce/0x2a0 [ 22.725376][ C3] #2: ffffffffbc177c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 22.725544][ C3] [ 22.725544][ C3] stack backtrace: [ 22.725711][ C3] CPU: 3 UID: 0 PID: 355 Comm: tc Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 22.725714][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.725716][ C3] Call Trace: [ 22.725718][ C3] [ 22.725719][ C3] dump_stack_lvl+0x6f/0xa0 [ 22.725724][ C3] print_usage_bug.part.0.cold+0xa9/0xb7 [ 22.725727][ C3] ? filter_irq_stacks+0xd0/0xd0 [ 22.725730][ C3] mark_lock_irq+0x4e3/0x9c0 [ 22.725732][ C3] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 22.725734][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 22.725736][ C3] ? save_trace+0x68/0x280 [ 22.725738][ C3] ? phys_pte_init+0x150/0x580 [ 22.725741][ C3] mark_lock+0x1d7/0xa00 [ 22.725743][ C3] mark_usage+0x42/0x170 [ 22.725744][ C3] __lock_acquire+0x378/0xc10 [ 22.725746][ C3] ? mark_held_locks+0x40/0x70 [ 22.725747][ C3] ? rcu_do_batch+0x2b4/0x1020 [ 22.725750][ C3] lock_acquire.part.0+0xbc/0x260 [ 22.725751][ C3] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 22.725753][ C3] ? rcu_is_watching+0x15/0xd0 [ 22.725755][ C3] ? lock_acquire+0x134/0x160 [ 22.725757][ C3] _raw_spin_lock+0x33/0x40 [ 22.725759][ C3] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 22.725760][ C3] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 22.725762][ C3] tcf_action_rcu_free+0x74/0x1a0 [ 22.725764][ C3] ? rcu_do_batch+0x2b4/0x1020 [ 22.725766][ C3] rcu_do_batch+0x2b6/0x1020 [ 22.725769][ C3] ? trace_rcu_batch_end+0x330/0x330 [ 22.725771][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 22.725772][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 22.725774][ C3] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 22.725776][ C3] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 22.725778][ C3] rcu_core+0x2bf/0x640 [ 22.725780][ C3] handle_softirqs+0x1d8/0x940 [ 22.725781][ C3] ? find_held_lock+0x2b/0x80 [ 22.725784][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 22.725786][ C3] ? _local_bh_enable+0xd0/0xd0 [ 22.725788][ C3] __irq_exit_rcu+0x103/0x1c0 [ 22.725789][ C3] irq_exit_rcu+0xe/0x30 [ 22.725791][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 22.725793][ C3] [ 22.725793][ C3] [ 22.725794][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 22.725796][ C3] RIP: 0010:lock_is_held_type+0x11d/0x1a0 [ 22.725799][ C3] Code: ff ff ff 65 0f c1 15 22 ce 00 02 83 fa 01 8b 44 24 04 75 55 9c 5a 80 e6 02 75 6f 41 f7 c6 00 02 00 00 74 2c fb 48 8b 5c 24 08 <4c> 8b 74 24 28 4c 8b 7c 24 30 48 8b 6c 24 10 48 83 c4 38 c3 b8 ff [ 22.725801][ C3] RSP: 0000:ffa0000000557b30 EFLAGS: 00000206 [ 22.725803][ C3] RAX: 0000000000000000 RBX: 1ff40000000aaf6f RCX: 0000000000000000 [ 22.725804][ C3] RDX: 0000000000000046 RSI: ffffffffbbbebde8 RDI: ffffffffbb66f6c0 [ 22.725805][ C3] RBP: ff11000004be0040 R08: 0000000000000001 R09: 0000000000000658 [ 22.725806][ C3] R10: 0000000000000003 R11: ffe21c0000943890 R12: dffffc0000000000 [ 22.725807][ C3] R13: ff11000004d282d0 R14: 0000000000000246 R15: 00000000ffffffff [ 22.725810][ C3] __might_resched+0x266/0x390 [ 22.725813][ C3] ? perf_trace_sched_switch+0x7d0/0x7d0 [ 22.725815][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 22.725817][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 22.725819][ C3] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 22.725820][ C3] ? rcu_is_watching+0x15/0xd0 [ 22.725822][ C3] down_write+0x6f/0x1f0 [ 22.725823][ C3] ? rwsem_down_write_slowpath+0xbe0/0xbe0 [ 22.725825][ C3] ? kmem_cache_alloc_noprof+0x265/0x5f0 [ 22.725829][ C3] __anon_vma_prepare+0x100/0x580 [ 22.725832][ C3] ? rcu_is_watching+0x15/0xd0 [ 22.725834][ C3] ? __lock_acquire+0x508/0xc10 [ 22.725835][ C3] __vmf_anon_prepare+0xf7/0x2a0 [ 22.725837][ C3] do_pte_missing+0x471/0xe40 [ 22.725839][ C3] ? rcu_read_unlock+0x1b/0x70 [ 22.725841][ C3] ? rcu_read_unlock+0x20/0x70 [ 22.725842][ C3] __handle_mm_fault+0x5ed/0x840 [ 22.725844][ C3] ? __pmd_alloc+0x840/0x840 [ 22.725845][ C3] ? lock_vma_under_rcu+0x159/0x410 [ 22.725847][ C3] ? __lock_release.isra.0+0xb3/0x1a0 [ 22.725850][ C3] handle_mm_fault+0x18b/0x4b0 [ 22.725852][ C3] ? rcu_is_watching+0x15/0xd0 [ 22.725854][ C3] do_user_addr_fault+0x472/0xe30 [ 22.725857][ C3] ? irqentry_enter+0x9f/0xd0 [ 22.725858][ C3] exc_page_fault+0x87/0x100 [ 22.725860][ C3] asm_exc_page_fault+0x26/0x30 [ 22.725862][ C3] RIP: 0033:0x7f7309b2d918 [ 22.725868][ C3] Code: 00 00 f3 0f 1e fa 66 0f 6e c6 48 89 f8 66 0f 60 c0 66 0f 61 c0 66 0f 70 c0 00 48 83 fa 10 0f 82 7e 00 00 00 48 83 fa 20 77 12 <0f> 11 44 17 f0 0f 11 07 c3 0f 11 47 e0 0f 11 47 f0 c3 0f 11 07 0f [ 22.725870][ C3] RSP: 002b:00007ffe813ac418 EFLAGS: 00010283 [ 22.725871][ C3] RAX: 00007f7309a33030 RBX: 00007f7309a34000 RCX: 00007f7309a33030 [ 22.725872][ C3] RDX: 0000000000000018 RSI: 0000000000000000 RDI: 00007f7309a33030 [ 22.725872][ C3] RBP: 00007ffe813ac860 R08: 00007f7309a34000 R09: 0000000000000003 [ 22.725873][ C3] R10: 00007f7309a33048 R11: 0000000000000206 R12: 0000000000000003 [ 22.725874][ C3] R13: 00007ffe813ac490 R14: 00007ffe813ac900 R15: 00007f7309a33048 [ 22.725876][ C3] [ 42.275644][ T499] br1: port 1(veth1) entered disabled state [ 42.292763][ T500] br1: port 2(veth2) entered disabled state [ 42.306131][ T501] veth2: left allmulticast mode [ 42.306281][ T501] veth2: left promiscuous mode [ 42.306479][ T501] br1: port 2(veth2) entered disabled state [ 42.307133][ T501] veth1: left allmulticast mode [ 42.307266][ T501] veth1: left promiscuous mode [ 42.307451][ T501] br1: port 1(veth1) entered disabled state