======================================
| [ 41.655049][ T339] veth2: entered promiscuous mode
| [ 41.708643][ C2] ------------[ cut here ]------------
| [ 41.709275][ C2] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9
| [ 41.709851][ C2] load of value 107 is not a valid value for type '_Bool'
[ 41.711071][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 41.712125][ C2] Workqueue: mld mld_ifc_work
[ 41.712534][ C2] Call Trace:
[ 41.712801][ C2]
[ 41.713034][ C2] dump_stack_lvl (lib/dump_stack.c:107)
[ 41.713424][ C2] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419)
[ 41.713972][ C2] br_forward_finish.cold (./include/linux/spinlock.h:396 net/bridge/br.c:81) bridge
[ 41.714527][ C2] deliver_clone (net/bridge/br_forward.c:132) bridge
[ 41.715037][ C2] br_handle_frame_finish (net/bridge/br_input.c:215) bridge
[ 41.715618][ C2] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge
[ 41.716299][ C2] br_handle_frame (net/bridge/br_input.c:417) bridge
[ 41
DETECTED CRASH, lowering timeout
.716825][ C2] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge
[ 41.717373][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5448)
[ 41.717935][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 41.718297][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 41.718679][ C2] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5341)
[ 41.719259][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 41.719682][ C2] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 41.720104][ C2] __netif_receive_skb_one_core (net/core/dev.c:5553)
[ 41.720630][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547)
[ 41.721126][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 41.721486][ C2] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 41.721879][ C2] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997)
[ 41.722270][ C2] __napi_poll.constprop.0 (net/core/dev.c:6625)
[ 41.722692][ C2] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827)
[ 41.723050][ C2] ? swake_up_one (./include/linux/list.h:373 kernel/sched/swait.c:25 kernel/sched/swait.c:52)
[ 41.723398][ C2] ? __pfx_net_rx_action (net/core/dev.c:6791)
[ 41.723811][ C2] ? hlock_class (kernel/locking/lockdep.c:223)
[ 41.724174][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 41.724573][ C2] __do_softirq (kernel/softirq.c:553)
[ 41.724999][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 41.725415][ C2] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 41.725747][ C2]
[ 41.725978][ C2]
[ 41.726209][ C2] __local_bh_enable_ip (kernel/softirq.c:381)
[ 41.726607][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 41.726995][ C2] __dev_queue_xmit (net/core/dev.c:4365)
[ 41.727383][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 41.727766][ C2] ? eth_header (net/ethernet/eth.c:100)
[ 41.728133][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4246)
[ 41.728571][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 41.728976][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 41.729370][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 41.729720][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 41.730111][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 41.730565][ C2] ? 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)
[ 41.730927][ C2] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436)
[ 41.731329][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312)
[ 41.731743][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308)
[ 41.732213][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133)
[ 41.732707][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 41.733239][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3292)
[ 41.733670][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386)
[ 41.734144][ C2] mld_sendpack (net/ipv6/mcast.c:1822)
[ 41.734548][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779)
[ 41.734999][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11))
[ 41.735410][ C2] mld_ifc_work (net/ipv6/mcast.c:2652)
[ 41.735806][ C2] process_one_work (kernel/workqueue.c:2633)
[ 41.736236][ C2] ? 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)
[ 41.736636][ C2] ? __pfx_process_one_work (kernel/workqueue.c:2542)
[ 41.737090][ C2] ? assign_work (kernel/workqueue.c:1101)
[ 41.737473][ C2] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787)
[ 41.737864][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 41.738434][ C2] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 41.738849][ C2] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 41.739266][ C2] kthread (kernel/kthread.c:388)
[ 41.739629][ C2] ? __pfx_kthread (kernel/kthread.c:341)
[ 41.740022][ C2] ret_from_fork (arch/x86/kernel/process.c:147)
[ 41.740400][ C2] ? __pfx_kthread (kernel/kthread.c:341)
[ 41.740789][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:250)
| [ 52.260955][ T42] br2: port 1(w1) entered forwarding state
| [ 53.861294][ C1] ------------[ cut here ]------------
| [ 53.861885][ C1] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9
| [ 53.862430][ C1] load of value 107 is not a valid value for type '_Bool'
[ 53.863628][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 53.864581][ C1] Workqueue: ipv6_addrconf addrconf_dad_work
[ 53.865228][ C1] Call Trace:
[ 53.865502][ C1]
[ 53.865730][ C1] dump_stack_lvl (lib/dump_stack.c:107)
[ 53.866130][ C1] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419)
[ 53.866658][ C1] skb_scrub_packet.cold (./include/linux/skbuff.h:4267 net/core/skbuff.c:6030)
[ 53.867106][ C1] __dev_forward_skb2 (./include/linux/netdevice.h:4115 net/core/dev.c:2135)
[ 53.867553][ C1] veth_xmit (drivers/net/veth.c:319 drivers/net/veth.c:374) veth
[ 53.867993][ C1] ? __pfx_passthru_features_check (net/core/dev.c:3436)
[ 53.868505][ C1] dev_hard_start_xmit (./include/linux/netdevice.h:4991 ./include/linux/netdevice.h:5005 net/core/dev.c:3530 net/core/dev.c:3546)
[ 53.868951][ C1] __dev_queue_xmit (./include/linux/netdevice.h:3369 net/core/dev.c:4338)
[ 53.869431][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 53.869852][ C1] ? eth_header (net/ethernet/eth.c:100)
[ 53.870246][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4246)
[ 53.870676][ C1] ? neigh_resolve_output (./include/linux/netdevice.h:3226 net/core/neighbour.c:1558 net/core/neighbour.c:1543)
[ 53.871090][ C1] ? __neigh_update (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/neighbour.c:1446)
[ 53.871480][ C1] __neigh_update (net/core/neighbour.c:1461)
[ 53.871850][ C1] arp_process (./include/linux/instrumented.h:96 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:400 (discriminator 4) ./include/linux/refcount.h:261 (discriminator 4) ./include/linux/refcount.h:304 (discriminator 4) ./include/linux/refcount.h:322 (discriminator 4) ./include/net/neighbour.h:444 (discriminator 4) net/ipv4/arp.c:934 (discriminator 4))
[ 53.872106][ C1] ? __pfx_arp_process (net/ipv4/arp.c:699)
[ 53.872396][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 53.872679][ C1] ? __pfx_arp_rcv (net/ipv4/arp.c:965)
[ 53.872929][ C1] __netif_receive_skb_one_core (net/core/dev.c:5554 (discriminator 5))
[ 53.873259][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547)
[ 53.873605][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 53.873856][ C1] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 53.874138][ C1] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997)
[ 53.874401][ C1] __napi_poll.constprop.0 (net/core/dev.c:6625)
[ 53.874760][ C1] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827)
[ 53.875061][ C1] ? __pfx_net_rx_action (net/core/dev.c:6791)
[ 53.875373][ C1] ? hlock_class (kernel/locking/lockdep.c:223)
[ 53.875683][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 53.875984][ C1] __do_softirq (kernel/softirq.c:553)
[ 53.876244][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 53.876598][ C1] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 53.876846][ C1]
[ 53.877006][ C1]
[ 53.877196][ C1] __local_bh_enable_ip (kernel/softirq.c:381)
[ 53.877547][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 53.877824][ C1] __dev_queue_xmit (net/core/dev.c:4365)
[ 53.878172][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 53.878428][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 53.878710][ C1] ? eth_header (net/ethernet/eth.c:100)
[ 53.879005][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4246)
[ 53.879373][ C1] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 53.879728][ C1] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 53.879996][ C1] ? 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)
[ 53.880338][ C1] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 53.880610][ C1] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 53.880948][ C1] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312)
[ 53.881277][ C1] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308)
[ 53.881618][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 53.881936][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 53.882333][ C1] ndisc_send_skb (net/ipv6/ndisc.c:512 (discriminator 60))
[ 53.882675][ C1] ? __pfx_ndisc_send_skb (net/ipv6/ndisc.c:473)
[ 53.883022][ C1] ? 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)
[ 53.883266][ C1] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436)
[ 53.883569][ C1] ndisc_send_ns (net/ipv6/ndisc.c:653)
[ 53.883835][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 53.884131][ C1] ? __pfx_ndisc_send_ns (net/ipv6/ndisc.c:653)
[ 53.884404][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 53.884741][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 53.885173][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4282)
[ 53.885446][ C1] ? __pfx_addrconf_dad_work (net/ipv6/addrconf.c:4180)
[ 53.885759][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 53.886061][ C1] ? process_one_work (kernel/workqueue.c:2609)
[ 53.886406][ C1] process_one_work (kernel/workqueue.c:2633)
[ 53.886714][ C1] ? 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)
[ 53.886963][ C1] ? __pfx_process_one_work (kernel/workqueue.c:2542)
[ 53.887298][ C1] ? assign_work (kernel/workqueue.c:1101)
[ 53.887681][ C1] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787)
[ 53.888136][ C1] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 53.888578][ C1] kthread (kernel/kthread.c:388)
[ 53.888918][ C1] ? __pfx_kthread (kernel/kthread.c:341)
[ 53.889279][ C1] ret_from_fork (arch/x86/kernel/process.c:147)
[ 53.889622][ C1] ? __pfx_kthread (kernel/kthread.c:341)
[ 53.889969][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:250)
| [ 53.890605][ C1] ---[ end trace ]---
| [ 53.891053][ C1] ------------[ cut here ]------------
| [ 53.891357][ C1] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9
| [ 53.891736][ C1] load of value 107 is not a valid value for type '_Bool'
[ 53.892554][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 53.893204][ C1] Workqueue: ipv6_addrconf addrconf_dad_work
[ 53.893532][ C1] Call Trace:
[ 53.893723][ C1]
[ 53.893885][ C1] dump_stack_lvl (lib/dump_stack.c:107)
[ 53.894134][ C1] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419)
[ 53.894512][ C1] ip_forward_finish.cold (./include/linux/skbuff.h:4267 net/ipv4/ip_forward.c:79)
[ 53.894828][ C1] NF_HOOK.constprop.0 (./include/linux/netfilter.h:314)
[ 53.895156][ C1] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308)
[ 53.895499][ C1] ? __netif_receive_skb_core.constprop.0 (net/core/dev.c:5442)
[ 53.895887][ C1] ? __xfrm_policy_check2.constprop.0 (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2654 ./include/net/xfrm.h:1165)
[ 53.896280][ C1] ? ip_forward (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/skbuff.h:1922 ./include/linux/skbuff.h:3664 net/ipv4/ip_forward.c:144)
[ 53.896601][ C1] ? vrf_l3_rcv (drivers/net/vrf.c:1222 drivers/net/vrf.c:1456 drivers/net/vrf.c:1468) vrf
[ 53.896904][ C1] ip_rcv (./include/net/dst.h:460 ./include/net/dst.h:458 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569)
[ 53.897173][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 53.897425][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 53.897707][ C1] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 53.898013][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 53.898271][ C1] __netif_receive_skb_one_core (net/core/dev.c:5554 (discriminator 4))
[ 53.898641][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547)
[ 53.898996][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 53.899285][ C1] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 53.899554][ C1] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997)
[ 53.899831][ C1] __napi_poll.constprop.0 (net/core/dev.c:6625)
[ 53.900170][ C1] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827)
[ 53.900502][ C1] ? __pfx_net_rx_action (net/core/dev.c:6791)
[ 53.900787][ C1] ? hlock_class (kernel/locking/lockdep.c:223)
[ 53.901087][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 53.901369][ C1] __do_softirq (kernel/softirq.c:553)
[ 53.901642][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 53.901975][ C1] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 53.902204][ C1]
[ 53.902405][ C1]
[ 53.902568][ C1] __local_bh_enable_ip (kernel/softirq.c:381)
[ 53.902877][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 53.903175][ C1] __dev_queue_xmit (net/core/dev.c:4365)
[ 53.903441][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 53.903712][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 53.903976][ C1] ? eth_header (net/ethernet/eth.c:100)
[ 53.904279][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4246)
[ 53.904627][ C1] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 53.904916][ C1] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 53.905220][ C1] ? 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)
[ 53.905537][ C1] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 53.905780][ C1] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 53.906118][ C1] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312)
[ 53.906401][ C1] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308)
[ 53.906736][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 53.907060][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 53.907456][ C1] ndisc_send_skb (net/ipv6/ndisc.c:512 (discriminator 60))
[ 53.907719][ C1] ? __pfx_ndisc_send_skb (net/ipv6/ndisc.c:473)
[ 53.908072][ C1] ? 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)
[ 53.908370][ C1] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436)
[ 53.908654][ C1] ndisc_send_ns (net/ipv6/ndisc.c:653)
[ 53.908898][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 53.909134][ C1] ? __pfx_ndisc_send_ns (net/ipv6/ndisc.c:653)
[ 53.909441][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 53.909762][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 53.910167][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4282)
[ 53.910495][ C1] ? __pfx_addrconf_dad_work (net/ipv6/addrconf.c:4180)
[ 53.910829][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 53.911144][ C1] ? process_one_work (kernel/workqueue.c:2609)
[ 53.911439][ C1] process_one_work (kernel/workqueue.c:2633)
[ 53.911759][ C1] ? 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)
[ 53.912041][ C1] ? __pfx_process_one_work (kernel/workqueue.c:2542)
[ 53.912385][ C1] ? assign_work (kernel/workqueue.c:1101)
[ 53.912701][ C1] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787)
[ 53.912980][ C1] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 53.913384][ C1] kthread (kernel/kthread.c:388)
[ 53.913640][ C1] ? __pfx_kthread (kernel/kthread.c:341)
[ 53.913902][ C1] ret_from_fork (arch/x86/kernel/process.c:147)
[ 53.914191][ C1] ? __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:ip_rcv:__netif_receive_skb_one_core