======================================
| [ 108.419482][ T33] br1: port 2(veth2) entered forwarding state
| [ 108.429074][ C2] ------------[ cut here ]------------
| [ 108.429459][ C2] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9
| [ 108.429819][ C2] load of value 107 is not a valid value for type '_Bool'
[ 108.430619][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 108.431229][ C2] Workqueue: mld mld_ifc_work
[ 108.431479][ C2] Call Trace:
[ 108.431652][ C2]
[ 108.431802][ C2] dump_stack_lvl (lib/dump_stack.c:107)
[ 108.432041][ C2] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419)
[ 108.432366][ C2] br_forward_finish.cold (./include/linux/spinlock.h:396 net/bridge/br.c:81) bridge
[ 108.432825][ C2] deliver_clone (net/bridge/br_forward.c:132) bridge
[ 108.433185][ C2] br_handle_frame_finish (net/bridge/br_input.c:215) bridge
[ 108.433547][ C2] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge
[ 108.433971][ C2] ? __pfx_update_sd_lb_stats.constprop.0+0x10/
DETECTED CRASH, lowering timeout
0x10
[ 108.434344][ C2] ? __pfx_nf_ingress (net/core/dev.c:5324)
[ 108.434624][ C2] br_handle_frame (net/bridge/br_input.c:417) bridge
[ 108.434973][ C2] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge
[ 108.435353][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5448)
[ 108.435715][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 108.435947][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 108.436214][ C2] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5341)
[ 108.436606][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 108.436909][ C2] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 108.437186][ C2] __netif_receive_skb_one_core (net/core/dev.c:5553)
[ 108.437501][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547)
[ 108.437835][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 108.438103][ C2] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 108.438365][ C2] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997)
[ 108.438631][ C2] __napi_poll.constprop.0 (net/core/dev.c:6625)
[ 108.438914][ C2] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827)
[ 108.439164][ C2] ? swake_up_one (./include/linux/list.h:373 kernel/sched/swait.c:25 kernel/sched/swait.c:52)
[ 108.439406][ C2] ? __pfx_net_rx_action (net/core/dev.c:6791)
[ 108.439673][ C2] ? hlock_class (kernel/locking/lockdep.c:223)
[ 108.439914][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 108.440169][ C2] __do_softirq (kernel/softirq.c:553)
[ 108.440412][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 108.440680][ C2] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 108.440899][ C2]
[ 108.441054][ C2]
[ 108.441210][ C2] __local_bh_enable_ip (kernel/softirq.c:381)
[ 108.441474][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 108.441795][ C2] __dev_queue_xmit (net/core/dev.c:4365)
[ 108.442101][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 108.442374][ C2] ? eth_header (net/ethernet/eth.c:100)
[ 108.442633][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4246)
[ 108.442931][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3226 net/core/neighbour.c:1558 net/core/neighbour.c:1543)
[ 108.443233][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 108.443515][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 108.443778][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 108.444004][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 108.444279][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 108.444553][ 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)
[ 108.444816][ C2] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436)
[ 108.445094][ 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)
[ 108.445364][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308)
[ 108.445668][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133)
[ 108.446002][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 108.446355][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3292)
[ 108.446635][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386)
[ 108.446922][ C2] mld_sendpack (net/ipv6/mcast.c:1822)
[ 108.447186][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779)
[ 108.447485][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11))
[ 108.447731][ C2] mld_ifc_work (net/ipv6/mcast.c:2652)
[ 108.447987][ C2] process_one_work (kernel/workqueue.c:2633)
[ 108.448260][ 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)
[ 108.448521][ C2] ? __pfx_process_one_work (kernel/workqueue.c:2542)
[ 108.448850][ C2] ? assign_work (kernel/workqueue.c:1101)
[ 108.449106][ C2] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787)
[ 108.449366][ C2] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 108.449640][ C2] kthread (kernel/kthread.c:388)
[ 108.449880][ C2] ? __pfx_kthread (kernel/kthread.c:341)
[ 108.450185][ C2] ret_from_fork (arch/x86/kernel/process.c:147)
[ 108.450418][ C2] ? __pfx_kthread (kernel/kthread.c:341)
Finger prints:
dump_stack_lvl:__ubsan_handle_load_invalid_value:deliver_clone:br_handle_frame_finish