[ 1195.237589][ T6200] br0: port 1(veth1) entered blocking state [ 1195.237815][ T6200] br0: port 1(veth1) entered disabled state [ 1195.238001][ T6200] veth1: entered allmulticast mode [ 1195.240053][ T6200] veth1: entered promiscuous mode [ 1195.276161][ T6202] br0: port 2(veth2) entered blocking state [ 1195.277037][ T6202] br0: port 2(veth2) entered disabled state [ 1195.277222][ T6202] veth2: entered allmulticast mode [ 1195.284933][ T6202] veth2: entered promiscuous mode [ 1195.370719][ T438] br0: port 1(veth1) entered blocking state [ 1195.370973][ T438] br0: port 1(veth1) entered forwarding state [ 1195.392375][ T38] br0: port 2(veth2) entered blocking state [ 1195.392600][ T38] br0: port 2(veth2) entered forwarding state [ 1242.338521][ T6483] Mirror/redirect action on [ 1243.521631][ C1] [ 1243.521723][ C1] ================================ [ 1243.521822][ C1] WARNING: inconsistent lock state [ 1243.521919][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 1243.522011][ C1] -------------------------------- [ 1243.522111][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 1243.522245][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 1243.522356][ C1] ffffffffc065e7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 1243.522537][ C1] {SOFTIRQ-ON-W} state was registered at: [ 1243.522625][ C1] __lock_acquire+0x378/0xc10 [ 1243.522718][ C1] lock_acquire.part.0+0xbc/0x260 [ 1243.522805][ C1] _raw_spin_lock+0x33/0x40 [ 1243.522895][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 1243.523009][ C1] tcf_action_init_1+0x428/0x6b0 [ 1243.523099][ C1] tcf_action_init+0x3cf/0x890 [ 1243.523191][ C1] tcf_exts_validate_ex+0x411/0x670 [ 1243.523280][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 1243.523374][ C1] tc_new_tfilter+0x875/0x21e0 [ 1243.523467][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 1243.523558][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 1243.523644][ C1] netlink_unicast+0x486/0x750 [ 1243.523732][ C1] netlink_sendmsg+0x735/0xc60 [ 1243.523819][ C1] ____sys_sendmsg+0x419/0x850 [ 1243.523911][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 1243.523998][ C1] __sys_sendmsg+0x145/0x1f0 [ 1243.524090][ C1] do_syscall_64+0x117/0x590 [ 1243.524179][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 1243.524295][ C1] irq event stamp: 16390636 [ 1243.524389][ C1] hardirqs last enabled at (16390636): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 1243.524561][ C1] hardirqs last disabled at (16390635): [] _raw_spin_lock_irqsave+0x50/0x60 [ 1243.524740][ C1] softirqs last enabled at (16389582): [] handle_softirqs+0x611/0x940 [ 1243.524894][ C1] softirqs last disabled at (16389591): [] __irq_exit_rcu+0x103/0x1c0 [ 1243.525054][ C1] [ 1243.525054][ C1] other info that might help us debug this: [ 1243.525191][ C1] Possible unsafe locking scenario: [ 1243.525191][ C1] [ 1243.525325][ C1] CPU0 [ 1243.525391][ C1] ---- [ 1243.525456][ C1] lock(mirred_list_lock); [ 1243.525544][ C1] [ 1243.525610][ C1] lock(mirred_list_lock); [ 1243.525701][ C1] [ 1243.525701][ C1] *** DEADLOCK *** [ 1243.525701][ C1] [ 1243.525830][ C1] 1 lock held by swapper/1/0: [ 1243.525918][ C1] #0: ffffffff9f177c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 1243.526079][ C1] [ 1243.526079][ C1] stack backtrace: [ 1243.526191][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 1243.526194][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1243.526196][ C1] Call Trace: [ 1243.526197][ C1] [ 1243.526199][ C1] dump_stack_lvl+0x6f/0xa0 [ 1243.526204][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 1243.526207][ C1] ? filter_irq_stacks+0xd0/0xd0 [ 1243.526211][ C1] mark_lock_irq+0x4e3/0x9c0 [ 1243.526212][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 1243.526215][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1243.526217][ C1] ? save_trace+0x68/0x280 [ 1243.526220][ C1] mark_lock+0x1d7/0xa00 [ 1243.526222][ C1] mark_usage+0x42/0x170 [ 1243.526224][ C1] __lock_acquire+0x378/0xc10 [ 1243.526225][ C1] ? rcu_is_watching+0x15/0xd0 [ 1243.526227][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 1243.526231][ C1] lock_acquire.part.0+0xbc/0x260 [ 1243.526233][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 1243.526235][ C1] ? rcu_is_watching+0x15/0xd0 [ 1243.526237][ C1] ? lock_acquire+0x134/0x160 [ 1243.526239][ C1] _raw_spin_lock+0x33/0x40 [ 1243.526240][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 1243.526242][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 1243.526244][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 1243.526245][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 1243.526247][ C1] rcu_do_batch+0x2b6/0x1020 [ 1243.526250][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 1243.526252][ C1] ? rcu_is_watching+0x15/0xd0 [ 1243.526254][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 1243.526255][ C1] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 1243.526257][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 1243.526258][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 1243.526261][ C1] rcu_core+0x2bf/0x640 [ 1243.526263][ C1] handle_softirqs+0x1d8/0x940 [ 1243.526264][ C1] ? find_held_lock+0x2b/0x80 [ 1243.526267][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 1243.526269][ C1] ? _local_bh_enable+0xd0/0xd0 [ 1243.526271][ C1] __irq_exit_rcu+0x103/0x1c0 [ 1243.526272][ C1] irq_exit_rcu+0xe/0x30 [ 1243.526274][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 1243.526276][ C1] [ 1243.526277][ C1] [ 1243.526277][ C1] ? rcu_is_watching+0x15/0xd0 [ 1243.526279][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1243.526280][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 1243.526283][ 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 [ 1243.526286][ C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000296 [ 1243.526288][ C1] RAX: 0000000000fa15d5 RBX: ff11000001bb2340 RCX: ffffffff9bed9667 [ 1243.526289][ C1] RDX: ff11000001bb2340 RSI: ffffffff9ec01bcb RDI: ffffffff9e66f6c0 [ 1243.526290][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1243.526291][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc0 [ 1243.526292][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 1243.526294][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 1243.526297][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 1243.526298][ C1] default_idle+0x9/0x10 [ 1243.526300][ C1] default_idle_call+0x6e/0xb0 [ 1243.526302][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 1243.526304][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 1243.526305][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 1243.526308][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 1243.526309][ C1] ? rcu_is_watching+0x15/0xd0 [ 1243.526311][ C1] do_idle+0xf5/0x160 [ 1243.526313][ C1] cpu_startup_entry+0x53/0x70 [ 1243.526314][ C1] start_secondary+0x204/0x2b0 [ 1243.526316][ C1] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 1243.526318][ C1] common_startup_64+0x13e/0x148 [ 1243.526323][ C1] [ 1248.731618][ T6523] br0: port 2(veth2) entered disabled state [ 1248.751490][ T6524] br0: port 1(veth1) entered disabled state [ 1248.765630][ T6525] veth2: left allmulticast mode [ 1248.765773][ T6525] veth2: left promiscuous mode [ 1248.765971][ T6525] br0: port 2(veth2) entered disabled state [ 1248.766531][ T6525] veth1: left allmulticast mode [ 1248.766662][ T6525] veth1: left promiscuous mode [ 1248.766860][ T6525] br0: port 1(veth1) entered disabled state