======================================
| [ 31.813766][ T50] br1: port 2(veth2) entered forwarding state
| [ 31.818673][ C3] ------------[ cut here ]------------
| [ 31.819118][ C3] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9
| [ 31.819523][ C3] load of value 107 is not a valid value for type '_Bool'
[ 31.820368][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 31.821006][ C3] Workqueue: mld mld_ifc_work
[ 31.821272][ C3] Call Trace:
[ 31.821450][ C3]
[ 31.821606][ C3] dump_stack_lvl (lib/dump_stack.c:107)
[ 31.821850][ C3] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419)
[ 31.822183][ C3] br_forward_finish.cold (./include/linux/spinlock.h:396 net/bridge/br.c:81) bridge
[ 31.822544][ C3] deliver_clone (net/bridge/br_forward.c:132) bridge
[ 31.822890][ C3] br_handle_frame_finish (net/bridge/br_input.c:215) bridge
[ 31.823263][ C3] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge
[ 31.823655][ C3] ? __pfx_update_sd_lb_stats.constprop.0+0x10/
DETECTED CRASH, lowering timeout
0x10
[ 31.824020][ C3] ? __pfx_nf_ingress (net/core/dev.c:5324)
[ 31.824313][ C3] br_handle_frame (net/bridge/br_input.c:417) bridge
[ 31.824658][ C3] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge
[ 31.825076][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5448)
[ 31.825432][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 31.825669][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 31.825933][ C3] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5341)
[ 31.826331][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 31.826634][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 31.826930][ C3] __netif_receive_skb_one_core (net/core/dev.c:5553)
[ 31.827266][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547)
[ 31.827638][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 31.827885][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 31.828185][ C3] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997)
[ 31.828445][ C3] __napi_poll.constprop.0 (net/core/dev.c:6625)
[ 31.828753][ C3] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827)
[ 31.829009][ C3] ? swake_up_one (./include/linux/list.h:373 kernel/sched/swait.c:25 kernel/sched/swait.c:52)
[ 31.829263][ C3] ? __pfx_net_rx_action (net/core/dev.c:6791)
[ 31.829536][ C3] ? hlock_class (kernel/locking/lockdep.c:223)
[ 31.829805][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 31.830066][ C3] __do_softirq (kernel/softirq.c:553)
[ 31.830371][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 31.830642][ C3] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 31.830900][ C3]
[ 31.831067][ C3]
[ 31.831226][ C3] __local_bh_enable_ip (kernel/softirq.c:381)
[ 31.831518][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 31.831787][ C3] __dev_queue_xmit (net/core/dev.c:4365)
[ 31.832054][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 31.832316][ C3] ? eth_header (net/ethernet/eth.c:100)
[ 31.832558][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4246)
[ 31.832842][ C3] ? neigh_resolve_output (./include/linux/netdevice.h:3226 net/core/neighbour.c:1558 net/core/neighbour.c:1543)
[ 31.833142][ C3] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 31.833418][ C3] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 31.833694][ C3] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 31.833927][ C3] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 31.834193][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 31.834471][ 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)
[ 31.834719][ C3] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436)
[ 31.835005][ 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)
[ 31.835274][ C3] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308)
[ 31.835576][ C3] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133)
[ 31.835886][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 31.836231][ C3] ? icmp6_dst_alloc (net/ipv6/route.c:3292)
[ 31.836493][ C3] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386)
[ 31.836789][ C3] mld_sendpack (net/ipv6/mcast.c:1822)
[ 31.837037][ C3] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779)
[ 31.837334][ C3] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11))
[ 31.837583][ C3] mld_ifc_work (net/ipv6/mcast.c:2652)
[ 31.837857][ C3] process_one_work (kernel/workqueue.c:2633)
[ 31.838128][ 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)
[ 31.838404][ C3] ? __pfx_process_one_work (kernel/workqueue.c:2542)
[ 31.838703][ C3] ? assign_work (kernel/workqueue.c:1101)
[ 31.839003][ C3] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787)
[ 31.839263][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 31.839629][ C3] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 31.839909][ C3] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 31.840234][ C3] kthread (kernel/kthread.c:388)
[ 31.840459][ C3] ? __pfx_kthread (kernel/kthread.c:341)
[ 31.840706][ C3] ret_from_fork (arch/x86/kernel/process.c:147)
[ 31.840950][ C3] ? __pfx_kthread (kernel/kthread.c:341)
Finger prints:
dump_stack_lvl:__ubsan_handle_load_invalid_value:deliver_clone:br_handle_frame_finish