[ 981.651816][T20206] br0: port 1(veth1) entered blocking state [ 981.652058][T20206] br0: port 1(veth1) entered disabled state [ 981.652254][T20206] veth1: entered allmulticast mode [ 981.653698][T20206] veth1: entered promiscuous mode [ 981.688277][T20208] br0: port 2(veth2) entered blocking state [ 981.688471][T20208] br0: port 2(veth2) entered disabled state [ 981.688656][T20208] veth2: entered allmulticast mode [ 981.695453][T20208] veth2: entered promiscuous mode [ 981.769309][ T599] br0: port 1(veth1) entered blocking state [ 981.769509][ T599] br0: port 1(veth1) entered forwarding state [ 981.791288][ T599] br0: port 2(veth2) entered blocking state [ 981.791510][ T599] br0: port 2(veth2) entered forwarding state [ 1028.522827][T20489] Mirror/redirect action on [ 1029.690018][ C1] [ 1029.690108][ C1] ================================ [ 1029.690191][ C1] WARNING: inconsistent lock state [ 1029.690272][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 1029.690351][ C1] -------------------------------- [ 1029.690426][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 1029.690521][ C1] ksoftirqd/1/23 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 1029.690616][ C1] ffffffffc02fe7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 1029.690775][ C1] {SOFTIRQ-ON-W} state was registered at: [ 1029.690853][ C1] __lock_acquire+0x378/0xc10 [ 1029.690938][ C1] lock_acquire.part.0+0xbc/0x260 [ 1029.691014][ C1] _raw_spin_lock+0x33/0x40 [ 1029.691095][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 1029.691190][ C1] tcf_action_init_1+0x428/0x6b0 [ 1029.691273][ C1] tcf_action_init+0x3cf/0x890 [ 1029.691347][ C1] tcf_exts_validate_ex+0x411/0x670 [ 1029.691426][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 1029.691503][ C1] tc_new_tfilter+0x875/0x21e0 [ 1029.691578][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 1029.691655][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 1029.691731][ C1] netlink_unicast+0x486/0x750 [ 1029.691805][ C1] netlink_sendmsg+0x735/0xc60 [ 1029.691885][ C1] ____sys_sendmsg+0x419/0x850 [ 1029.691968][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 1029.692049][ C1] __sys_sendmsg+0x145/0x1f0 [ 1029.692125][ C1] do_syscall_64+0x117/0x590 [ 1029.692200][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 1029.692303][ C1] irq event stamp: 9070360 [ 1029.692378][ C1] hardirqs last enabled at (9070360): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 1029.692526][ C1] hardirqs last disabled at (9070359): [] _raw_spin_lock_irqsave+0x50/0x60 [ 1029.692675][ C1] softirqs last enabled at (9070220): [] handle_softirqs+0x611/0x940 [ 1029.692808][ C1] softirqs last disabled at (9070225): [] run_ksoftirqd+0x39/0x60 [ 1029.692939][ C1] [ 1029.692939][ C1] other info that might help us debug this: [ 1029.693052][ C1] Possible unsafe locking scenario: [ 1029.693052][ C1] [ 1029.693163][ C1] CPU0 [ 1029.693227][ C1] ---- [ 1029.693289][ C1] lock(mirred_list_lock); [ 1029.693367][ C1] [ 1029.693422][ C1] lock(mirred_list_lock); [ 1029.693501][ C1] [ 1029.693501][ C1] *** DEADLOCK *** [ 1029.693501][ C1] [ 1029.693611][ C1] 1 lock held by ksoftirqd/1/23: [ 1029.693685][ C1] #0: ffffffffbc377c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 1029.693819][ C1] [ 1029.693819][ C1] stack backtrace: [ 1029.693913][ C1] CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 1029.693916][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1029.693918][ C1] Call Trace: [ 1029.693920][ C1] [ 1029.693921][ C1] dump_stack_lvl+0x6f/0xa0 [ 1029.693926][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 1029.693929][ C1] mark_lock_irq+0x4e3/0x9c0 [ 1029.693931][ C1] ? kthread+0x367/0x460 [ 1029.693934][ C1] ? save_trace+0x68/0x280 [ 1029.693935][ C1] ? __lock_acquire+0x508/0xc10 [ 1029.693937][ C1] mark_lock+0x1d7/0xa00 [ 1029.693939][ C1] mark_usage+0x42/0x170 [ 1029.693940][ C1] __lock_acquire+0x378/0xc10 [ 1029.693941][ C1] ? rcu_is_watching+0x15/0xd0 [ 1029.693944][ C1] lock_acquire.part.0+0xbc/0x260 [ 1029.693946][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 1029.693947][ C1] ? rcu_is_watching+0x15/0xd0 [ 1029.693949][ C1] ? lock_acquire+0x134/0x160 [ 1029.693951][ C1] _raw_spin_lock+0x33/0x40 [ 1029.693953][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 1029.693954][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 1029.693956][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 1029.693957][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 1029.693959][ C1] rcu_do_batch+0x2b6/0x1020 [ 1029.693961][ C1] ? rcu_is_watching+0x15/0xd0 [ 1029.693963][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 1029.693965][ C1] ? finish_task_switch.isra.0+0x216/0x990 [ 1029.693966][ C1] ? rcu_is_watching+0x15/0xd0 [ 1029.693968][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 1029.693971][ C1] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 1029.693972][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 1029.693974][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 1029.693976][ C1] rcu_core+0x2bf/0x640 [ 1029.693978][ C1] handle_softirqs+0x1d8/0x940 [ 1029.693980][ C1] ? find_held_lock+0x2b/0x80 [ 1029.693983][ C1] ? _local_bh_enable+0xd0/0xd0 [ 1029.693984][ C1] ? rcu_is_watching+0x15/0xd0 [ 1029.693986][ C1] run_ksoftirqd+0x39/0x60 [ 1029.693987][ C1] smpboot_thread_fn+0x2fb/0x9b0 [ 1029.693990][ C1] ? sort_range+0x20/0x20 [ 1029.693991][ C1] kthread+0x367/0x460 [ 1029.693993][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 1029.693994][ C1] ? kthread_affine_node+0x330/0x330 [ 1029.693996][ C1] ret_from_fork+0x474/0x6b0 [ 1029.693999][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 1029.694000][ C1] ? __switch_to+0x5a3/0xe00 [ 1029.694003][ C1] ? kthread_affine_node+0x330/0x330 [ 1029.694005][ C1] ret_from_fork_asm+0x11/0x20 [ 1029.694008][ C1] [ 1034.878697][T20530] br0: port 2(veth2) entered disabled state [ 1034.895443][T20531] br0: port 1(veth1) entered disabled state [ 1034.910300][T20532] veth2: left allmulticast mode [ 1034.910397][T20532] veth2: left promiscuous mode [ 1034.910529][T20532] br0: port 2(veth2) entered disabled state [ 1034.911780][T20532] veth1: left allmulticast mode [ 1034.911862][T20532] veth1: left promiscuous mode [ 1034.911989][T20532] br0: port 1(veth1) entered disabled state