======================================
| [ 256.310558][ T8] br1: port 3(veth1) entered forwarding state
| [ 256.684235][ C3] ------------[ cut here ]------------
| [ 256.684793][ C3] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9
| [ 256.685351][ C3] load of value 107 is not a valid value for type '_Bool'
[ 256.686587][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 256.687536][ C3] Workqueue: mld mld_ifc_work
[ 256.687890][ C3] Call Trace:
[ 256.688135][ C3]
[ 256.688346][ C3] dump_stack_lvl (lib/dump_stack.c:107)
[ 256.688695][ C3] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419)
[ 256.689192][ C3] br_forward_finish.cold (./include/linux/spinlock.h:396 net/bridge/br.c:81) bridge
[ 256.689771][ C3] deliver_clone (net/bridge/br_forward.c:132) bridge
[ 256.690262][ C3] br_handle_frame_finish (net/bridge/br_input.c:215) bridge
[ 256.690822][ C3] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge
[ 256.691447][ C3] br_handle_frame (net/bridge/br_input.c:417) bridge
[ 256
DETECTED CRASH, lowering timeout
.691956][ C3] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge
[ 256.692497][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5448)
[ 256.693073][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 256.693528][ C3] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5341)
[ 256.694128][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 256.694557][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 256.694985][ C3] __netif_receive_skb_one_core (net/core/dev.c:5553)
[ 256.695466][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547)
[ 256.696017][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 256.696416][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 256.696833][ C3] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997)
[ 256.697236][ C3] __napi_poll.constprop.0 (net/core/dev.c:6625)
[ 256.697695][ C3] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827)
[ 256.698116][ C3] ? __pfx_net_rx_action (net/core/dev.c:6791)
[ 256.698546][ C3] ? hlock_class (kernel/locking/lockdep.c:223)
[ 256.698941][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 256.699363][ C3] __do_softirq (kernel/softirq.c:553)
[ 256.699767][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 256.700202][ C3] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 256.700562][ C3]
[ 256.700798][ C3]
[ 256.701048][ C3] __local_bh_enable_ip (kernel/softirq.c:381)
[ 256.701491][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 256.701929][ C3] __dev_queue_xmit (net/core/dev.c:4365)
[ 256.702351][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 256.702736][ C3] ? eth_header (net/ethernet/eth.c:100)
[ 256.703097][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4246)
[ 256.703615][ C3] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 256.704052][ C3] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 256.704460][ C3] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 256.704837][ C3] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 256.705249][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 256.705720][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 256.706108][ C3] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436)
[ 256.706543][ C3] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312)
[ 256.706974][ C3] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308)
[ 256.707459][ C3] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133)
[ 256.707960][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 256.708498][ C3] ? icmp6_dst_alloc (net/ipv6/route.c:3292)
[ 256.708881][ C3] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386)
[ 256.709291][ C3] mld_sendpack (net/ipv6/mcast.c:1822)
[ 256.709644][ C3] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779)
[ 256.710029][ C3] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11))
[ 256.710385][ C3] mld_ifc_work (net/ipv6/mcast.c:2652)
[ 256.710724][ C3] process_one_work (kernel/workqueue.c:2633)
[ 256.711101][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 256.711438][ C3] ? __pfx_process_one_work (kernel/workqueue.c:2542)
[ 256.711848][ C3] ? assign_work (kernel/workqueue.c:1101)
[ 256.712198][ C3] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787)
[ 256.712541][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 256.713026][ C3] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 256.713407][ C3] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 256.713787][ C3] kthread (kernel/kthread.c:388)
[ 256.714115][ C3] ? __pfx_kthread (kernel/kthread.c:341)
[ 256.714527][ C3] ret_from_fork (arch/x86/kernel/process.c:147)
[ 256.714889][ C3] ? __pfx_kthread (kernel/kthread.c:341)
[ 256.715264][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:250)
| [ 266.771204][ T28] br2: port 1(w1) entered forwarding state
| [ 268.949101][ C3] ------------[ cut here ]------------
| [ 268.949672][ C3] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9
| [ 268.950201][ C3] load of value 107 is not a valid value for type '_Bool'
[ 268.951330][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 268.952208][ C3] Workqueue: ipv6_addrconf addrconf_dad_work
[ 268.952694][ C3] Call Trace:
[ 268.952978][ C3]
[ 268.953217][ C3] dump_stack_lvl (lib/dump_stack.c:107)
[ 268.953615][ C3] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419)
[ 268.954136][ C3] skb_scrub_packet.cold (./include/linux/skbuff.h:4267 net/core/skbuff.c:6030)
[ 268.954564][ C3] __dev_forward_skb2 (./include/linux/netdevice.h:4115 net/core/dev.c:2135)
[ 268.954995][ C3] veth_xmit (drivers/net/veth.c:319 drivers/net/veth.c:374) veth
[ 268.955440][ C3] ? __pfx_passthru_features_check (net/core/dev.c:3436)
[ 268.955970][ C3] dev_hard_start_xmit (./include/linux/netdevice.h:4991 ./include/linux/netdevice.h:5005 net/core/dev.c:3530 net/core/dev.c:3546)
[ 268.956417][ C3] __dev_queue_xmit (./include/linux/netdevice.h:3369 net/core/dev.c:4338)
[ 268.956834][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 268.957242][ C3] ? eth_header (net/ethernet/eth.c:100)
[ 268.957632][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4246)
[ 268.958069][ C3] ? neigh_resolve_output (./include/linux/netdevice.h:3226 net/core/neighbour.c:1558 net/core/neighbour.c:1543)
[ 268.958522][ C3] ? __neigh_update (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/neighbour.c:1446)
[ 268.958979][ C3] __neigh_update (net/core/neighbour.c:1461)
[ 268.959356][ C3] ndisc_recv_na (./include/net/ndisc.h:251 net/ipv6/ndisc.c:784 net/ipv6/ndisc.c:1109)
[ 268.959637][ C3] ? __pfx_ndisc_recv_na (net/ipv6/ndisc.c:992)
[ 268.959948][ C3] ? __skb_checksum (net/core/skbuff.c:3438 (discriminator 4))
[ 268.960242][ C3] ? lockdep_rtnl_is_held (net/core/rtnetlink.c:177)
[ 268.960540][ C3] icmpv6_rcv (net/ipv6/icmp.c:979)
[ 268.960890][ C3] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:438 (discriminator 5))
[ 268.961373][ C3] ? ip6_route_input (./include/linux/skbuff.h:1171 net/ipv6/route.c:2593)
[ 268.961781][ C3] ip6_input_finish (./include/linux/rcupdate.h:779 net/ipv6/ip6_input.c:484)
[ 268.962061][ C3] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:492)
[ 268.962302][ C3] ? __pfx_ip6_input (net/ipv6/ip6_input.c:491)
[ 268.962570][ C3] ? ip6_rcv_core (./include/linux/skbuff.h:3172 net/ipv6/ip6_input.c:291)
[ 268.962861][ C3] ipv6_rcv (./include/net/dst.h:460 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:310)
[ 268.963130][ C3] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304)
[ 268.963397][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 268.963692][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 268.964000][ C3] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304)
[ 268.964286][ C3] __netif_receive_skb_one_core (net/core/dev.c:5547)
[ 268.964643][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547)
[ 268.965040][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 268.965316][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 268.965637][ C3] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997)
[ 268.965933][ C3] __napi_poll.constprop.0 (net/core/dev.c:6625)
[ 268.966241][ C3] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827)
[ 268.966496][ C3] ? __pfx_net_rx_action (net/core/dev.c:6791)
[ 268.966782][ C3] ? hlock_class (kernel/locking/lockdep.c:223)
[ 268.967055][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 268.967341][ C3] __do_softirq (kernel/softirq.c:553)
[ 268.967585][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 268.967867][ C3] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 268.968092][ C3]
[ 268.968247][ C3]
[ 268.968405][ C3] __local_bh_enable_ip (kernel/softirq.c:381)
[ 268.968677][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 268.969063][ C3] __dev_queue_xmit (net/core/dev.c:4365)
[ 268.969323][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 268.969554][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 268.969817][ C3] ? eth_header (net/ethernet/eth.c:100)
[ 268.970058][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4246)
[ 268.970357][ C3] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 268.970631][ C3] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 268.970900][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 268.971142][ C3] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 268.971375][ C3] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 268.971650][ C3] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312)
[ 268.971942][ C3] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308)
[ 268.972254][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 268.972595][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 268.972996][ C3] ndisc_send_skb (net/ipv6/ndisc.c:512 (discriminator 60))
[ 268.973273][ C3] ? __pfx_ndisc_send_skb (net/ipv6/ndisc.c:473)
[ 268.973616][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 268.973902][ C3] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436)
[ 268.974192][ C3] ndisc_send_ns (net/ipv6/ndisc.c:653)
[ 268.974460][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 268.974741][ C3] ? __pfx_ndisc_send_ns (net/ipv6/ndisc.c:653)
[ 268.975048][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 268.975329][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 268.975734][ C3] addrconf_dad_work (net/ipv6/addrconf.c:4282)
[ 268.976057][ C3] ? __pfx_addrconf_dad_work (net/ipv6/addrconf.c:4180)
[ 268.976387][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 268.976661][ C3] ? process_one_work (kernel/workqueue.c:2609)
[ 268.977039][ C3] process_one_work (kernel/workqueue.c:2633)
[ 268.977307][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 268.977575][ C3] ? __pfx_process_one_work (kernel/workqueue.c:2542)
[ 268.977914][ C3] ? assign_work (kernel/workqueue.c:1101)
[ 268.978192][ C3] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787)
[ 268.978478][ C3] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 268.978756][ C3] kthread (kernel/kthread.c:388)
[ 268.979019][ C3] ? __pfx_kthread (kernel/kthread.c:341)
[ 268.979282][ C3] ret_from_fork (arch/x86/kernel/process.c:147)
[ 268.979551][ C3] ? __pfx_kthread (kernel/kthread.c:341)
[ 268.979824][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:250)
| [ 268.980330][ C3] ---[ end trace ]---
| [ 268.980821][ C3] ------------[ cut here ]------------
| [ 268.981147][ C3] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9
| [ 268.981558][ C3] load of value 107 is not a valid value for type '_Bool'
[ 268.982470][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 268.983165][ C3] Workqueue: ipv6_addrconf addrconf_dad_work
[ 268.983530][ C3] Call Trace:
[ 268.983745][ C3]
[ 268.983903][ C3] dump_stack_lvl (lib/dump_stack.c:107)
[ 268.984169][ C3] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419)
[ 268.984536][ C3] ip6_forward.cold (./include/linux/skbuff.h:4267 net/ipv6/ip6_output.c:471 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_output.c:660)
[ 268.984881][ C3] ? __pfx_ip6_forward (net/ipv6/ip6_output.c:494)
[ 268.985183][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406)
[ 268.985472][ C3] ? udp_v6_early_demux (net/ipv6/udp.c:1067 net/ipv6/udp.c:1097)
[ 268.985809][ C3] ? ipv6_rcv (./include/net/dst.h:460 ./include/net/dst.h:458 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:310)
[ 268.986070][ C3] ipv6_rcv (./include/net/dst.h:460 ./include/net/dst.h:458 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:310)
[ 268.986329][ C3] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304)
[ 268.986593][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 268.986908][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 268.987199][ C3] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304)
[ 268.987470][ C3] __netif_receive_skb_one_core (net/core/dev.c:5547)
[ 268.987815][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547)
[ 268.988169][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 268.988414][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 268.988677][ C3] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997)
[ 268.989000][ C3] __napi_poll.constprop.0 (net/core/dev.c:6625)
[ 268.989283][ C3] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827)
[ 268.989537][ C3] ? __pfx_net_rx_action (net/core/dev.c:6791)
[ 268.989814][ C3] ? hlock_class (kernel/locking/lockdep.c:223)
[ 268.990056][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 268.990312][ C3] __do_softirq (kernel/softirq.c:553)
[ 268.990557][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 268.990836][ C3] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 268.991057][ C3]
[ 268.991212][ C3]
[ 268.991369][ C3] __local_bh_enable_ip (kernel/softirq.c:381)
[ 268.991633][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 268.991917][ C3] __dev_queue_xmit (net/core/dev.c:4365)
[ 268.992177][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 268.992425][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 268.992698][ C3] ? eth_header (net/ethernet/eth.c:100)
[ 268.993001][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4246)
[ 268.993317][ C3] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 268.993618][ C3] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 268.993909][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 268.994187][ C3] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 268.994431][ C3] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 268.994726][ C3] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312)
[ 268.995027][ C3] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308)
[ 268.995360][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 268.995696][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 268.996089][ C3] ndisc_send_skb (net/ipv6/ndisc.c:512 (discriminator 60))
[ 268.996388][ C3] ? __pfx_ndisc_send_skb (net/ipv6/ndisc.c:473)
[ 268.996711][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 268.996972][ C3] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436)
[ 268.997262][ C3] ndisc_send_ns (net/ipv6/ndisc.c:653)
[ 268.997529][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 268.997802][ C3] ? __pfx_ndisc_send_ns (net/ipv6/ndisc.c:653)
[ 268.998107][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 268.998360][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 268.998767][ C3] addrconf_dad_work (net/ipv6/addrconf.c:4282)
[ 268.999052][ C3] ? __pfx_addrconf_dad_work (net/ipv6/addrconf.c:4180)
[ 268.999385][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 268.999653][ C3] ? process_one_work (kernel/workqueue.c:2609)
[ 268.999955][ C3] process_one_work (kernel/workqueue.c:2633)
[ 269.000259][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 269.000527][ C3] ? __pfx_process_one_work (kernel/workqueue.c:2542)
[ 269.000919][ C3] ? assign_work (kernel/workqueue.c:1101)
[ 269.001175][ C3] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787)
[ 269.001473][ C3] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 269.001762][ C3] kthread (kernel/kthread.c:388)
[ 269.001998][ C3] ? __pfx_kthread (kernel/kthread.c:341)
[ 269.002290][ C3] ret_from_fork (arch/x86/kernel/process.c:147)
[ 269.002541][ C3] ? __pfx_kthread (kernel/kthread.c:341)
Finger prints:
dump_stack_lvl:__ubsan_handle_load_invalid_value:deliver_clone:br_handle_frame_finish
dump_stack_lvl:__ubsan_handle_load_invalid_value:__dev_forward_skb2:veth_xmit
dump_stack_lvl:__ubsan_handle_load_invalid_value:ipv6_rcv:__netif_receive_skb_one_core