======================================
| [ 31.942203][ T28] br1: port 2(veth2) entered forwarding state
| [ 31.946881][ C1] ------------[ cut here ]------------
| [ 31.947268][ C1] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9
| [ 31.947710][ C1] load of value 107 is not a valid value for type '_Bool'
[ 31.948569][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 31.949225][ C1] Workqueue: mld mld_ifc_work
[ 31.949483][ C1] Call Trace:
[ 31.949659][ C1]
[ 31.949826][ C1] dump_stack_lvl (lib/dump_stack.c:107)
[ 31.950076][ C1] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419)
[ 31.950409][ C1] br_forward_finish.cold (./include/linux/spinlock.h:396 net/bridge/br.c:81) bridge
[ 31.950812][ C1] deliver_clone (net/bridge/br_forward.c:132) bridge
[ 31.951133][ C1] br_handle_frame_finish (net/bridge/br_input.c:215) bridge
[ 31.9
DETECTED CRASH, lowering timeout
51505][ C1] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge
[ 31.951883][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)
[ 31.952157][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 31.952384][ C1] ? kasan_save_stack (mm/kasan/common.c:48)
[ 31.952647][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 31.952909][ C1] ? __pfx_nf_ingress (net/core/dev.c:5324)
[ 31.953184][ C1] br_handle_frame (net/bridge/br_input.c:417) bridge
[ 31.953512][ C1] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge
[ 31.953873][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5448)
[ 31.954259][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 31.954523][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 31.954784][ C1] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5341)
[ 31.955174][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 31.955459][ C1] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 31.955731][ C1] __netif_receive_skb_one_core (net/core/dev.c:5553)
[ 31.956047][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547)
[ 31.956408][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 31.956680][ C1] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 31.956963][ C1] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997)
[ 31.957224][ C1] __napi_poll.constprop.0 (net/core/dev.c:6625)
[ 31.957542][ C1] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827)
[ 31.957837][ C1] ? __pfx_net_rx_action (net/core/dev.c:6791)
[ 31.958130][ C1] ? hlock_class (kernel/locking/lockdep.c:223)
[ 31.958415][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 31.958694][ C1] __do_softirq (kernel/softirq.c:553)
[ 31.958939][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 31.959223][ C1] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 31.959463][ C1]
[ 31.959619][ C1]
[ 31.959785][ C1] __local_bh_enable_ip (kernel/softirq.c:381)
[ 31.960070][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 31.960341][ C1] __dev_queue_xmit (net/core/dev.c:4365)
[ 31.960618][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 31.960885][ C1] ? eth_header (net/ethernet/eth.c:100)
[ 31.961132][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4246)
[ 31.961412][ C1] ? neigh_resolve_output (./include/linux/netdevice.h:3226 net/core/neighbour.c:1558 net/core/neighbour.c:1543)
[ 31.961714][ C1] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 31.961993][ C1] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 31.962273][ C1] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 31.962538][ C1] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 31.962820][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 31.963114][ 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)
[ 31.963369][ C1] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436)
[ 31.963656][ 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)
[ 31.963968][ C1] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308)
[ 31.964278][ C1] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133)
[ 31.964589][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 31.964942][ C1] ? icmp6_dst_alloc (net/ipv6/route.c:3292)
[ 31.965202][ C1] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386)
[ 31.965495][ C1] mld_sendpack (net/ipv6/mcast.c:1822)
[ 31.965751][ C1] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779)
[ 31.966029][ C1] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11))
[ 31.966278][ C1] mld_ifc_work (net/ipv6/mcast.c:2652)
[ 31.966528][ C1] process_one_work (kernel/workqueue.c:2633)
[ 31.966811][ 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)
[ 31.967059][ C1] ? __pfx_process_one_work (kernel/workqueue.c:2542)
[ 31.967347][ C1] ? assign_work (kernel/workqueue.c:1101)
[ 31.967597][ C1] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787)
[ 31.967857][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 31.968215][ C1] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 31.968490][ C1] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 31.968758][ C1] kthread (kernel/kthread.c:388)
[ 31.968977][ C1] ? __pfx_kthread (kernel/kthread.c:341)
[ 31.969221][ C1] ret_from_fork (arch/x86/kernel/process.c:147)
[ 31.969450][ C1] ? __pfx_kthread (kernel/kthread.c:341)
Finger prints:
dump_stack_lvl:__ubsan_handle_load_invalid_value:deliver_clone:br_handle_frame_finish