======================================
| [ 27.369782][ T49] br1: port 2(veth2) entered forwarding state
| [ 27.379456][ C3] ------------[ cut here ]------------
| [ 27.380032][ C3] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9
| [ 27.380561][ C3] load of value 107 is not a valid value for type '_Bool'
[ 27.381630][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 27.382490][ C3] Workqueue: mld mld_ifc_work
[ 27.382844][ C3] Call Trace:
[ 27.383088][ C3]
[ 27.383302][ C3] dump_stack_lvl (lib/dump_stack.c:107)
[ 27.383659][ C3] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419)
[ 27.384165][ C3] br_forward_finish.cold (./include/linux/spinlock.h:396 net/bridge/br.c:81) bridge
[ 27.384711][ C3] deliver_clone (net/bridge/br_forward.c:132) bridge
[ 27.385156][ C3] br_handle_frame_finish (net/bridge/br_input.c:215) bridge
[ 27.38
DETECTED CRASH, lowering timeout
5679][ C3] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge
[ 27.386247][ C3] ? __pfx_update_sd_lb_stats.constprop.0 (kernel/sched/fair.c:10557)
[ 27.386783][ C3] br_handle_frame (net/bridge/br_input.c:417) bridge
[ 27.387283][ C3] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge
[ 27.387823][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5448)
[ 27.388425][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 27.388794][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 27.389211][ C3] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5341)
[ 27.389781][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 27.390202][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 27.390613][ C3] __netif_receive_skb_one_core (net/core/dev.c:5553)
[ 27.391075][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547)
[ 27.391587][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 27.391955][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995)
[ 27.392357][ C3] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997)
[ 27.392754][ C3] __napi_poll.constprop.0 (net/core/dev.c:6625)
[ 27.393190][ C3] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827)
[ 27.393579][ C3] ? __pfx_net_rx_action (net/core/dev.c:6791)
[ 27.393982][ C3] ? hlock_class (kernel/locking/lockdep.c:223)
[ 27.394347][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 27.394744][ C3] __do_softirq (kernel/softirq.c:553)
[ 27.395113][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 27.395593][ C3] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 27.395939][ C3]
[ 27.396179][ C3]
[ 27.396441][ C3] __local_bh_enable_ip (kernel/softirq.c:381)
[ 27.396875][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364)
[ 27.397284][ C3] __dev_queue_xmit (net/core/dev.c:4365)
[ 27.397730][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 27.398133][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 27.398668][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4246)
[ 27.399084][ C3] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:772 ./include/net/neighbour.h:496)
[ 27.399501][ C3] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137)
[ 27.399924][ C3] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 27.400327][ C3] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 27.400679][ C3] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 27.401055][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 27.401489][ 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)
[ 27.401839][ C3] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436)
[ 27.402230][ 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)
[ 27.402623][ C3] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308)
[ 27.403106][ C3] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133)
[ 27.403587][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 27.404132][ C3] ? icmp6_dst_alloc (net/ipv6/route.c:3292)
[ 27.404549][ C3] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386)
[ 27.404978][ C3] mld_sendpack (net/ipv6/mcast.c:1822)
[ 27.405355][ C3] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779)
[ 27.405809][ C3] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11))
[ 27.406185][ C3] mld_ifc_work (net/ipv6/mcast.c:2652)
[ 27.406541][ C3] process_one_work (kernel/workqueue.c:2633)
[ 27.406951][ 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)
[ 27.407327][ C3] ? __pfx_process_one_work (kernel/workqueue.c:2542)
[ 27.407803][ C3] ? assign_work (kernel/workqueue.c:1101)
[ 27.408194][ C3] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787)
[ 27.408576][ C3] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 27.408970][ C3] kthread (kernel/kthread.c:388)
[ 27.409303][ C3] ? __pfx_kthread (kernel/kthread.c:341)
[ 27.409673][ C3] ret_from_fork (arch/x86/kernel/process.c:147)
[ 27.410006][ C3] ? __pfx_kthread (kernel/kthread.c:341)
Finger prints:
dump_stack_lvl:__ubsan_handle_load_invalid_value:deliver_clone:br_handle_frame_finish