====================================== | [ 81.832306][ T48] br0: port 2(veth2) entered forwarding state | [ 81.837163][ C3] ------------[ cut here ]------------ | [ 81.837782][ C3] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9 | [ 81.838317][ C3] load of value 107 is not a valid value for type '_Bool' [ 81.839599][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 81.840568][ C3] Workqueue: mld mld_ifc_work [ 81.840953][ C3] Call Trace: [ 81.841213][ C3] [ 81.841432][ C3] dump_stack_lvl (lib/dump_stack.c:107) [ 81.841770][ C3] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419) [ 81.842242][ C3] br_forward_finish.cold (./include/linux/spinlock.h:396 net/bridge/br.c:81) bridge [ 81.842776][ C3] deliver_clone (net/bridge/br_forward.c:132) bridge [ 81.843232][ C3] br_handle_frame_finish (net/bridge/br_input.c:215) bridge [ 81.8 DETECTED CRASH, lowering timeout 43773][ C3] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge [ 81.844456][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 81.844856][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 81.845210][ C3] ? kasan_save_stack (mm/kasan/common.c:48) [ 81.845625][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 81.846016][ C3] ? do_idle (./include/linux/cpumask.h:144 ./include/linux/cpumask.h:151 ./include/linux/cpumask.h:505 ./include/linux/cpumask.h:1120 kernel/sched/idle.c:293) [ 81.846356][ C3] br_handle_frame (net/bridge/br_input.c:417) bridge [ 81.846880][ C3] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge [ 81.847436][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5448) [ 81.848015][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 81.848394][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 81.848794][ C3] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5341) [ 81.849344][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 81.849751][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995) [ 81.850145][ C3] __netif_receive_skb_one_core (net/core/dev.c:5553) [ 81.850590][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547) [ 81.851078][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 81.851426][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995) [ 81.851813][ C3] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997) [ 81.852204][ C3] __napi_poll.constprop.0 (net/core/dev.c:6625) [ 81.852636][ C3] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827) [ 81.853085][ C3] ? __pfx_net_rx_action (net/core/dev.c:6791) [ 81.853507][ C3] ? hlock_class (kernel/locking/lockdep.c:223) [ 81.853897][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 81.854319][ C3] __do_softirq (kernel/softirq.c:553) [ 81.854683][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 81.855087][ C3] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) [ 81.855435][ C3] [ 81.855714][ C3] [ 81.855977][ C3] __local_bh_enable_ip (kernel/softirq.c:381) [ 81.856393][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 81.856812][ C3] __dev_queue_xmit (net/core/dev.c:4365) [ 81.857237][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 81.857654][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 81.858194][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4246) [ 81.858636][ C3] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:772 ./include/net/neighbour.h:496) [ 81.859072][ C3] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [ 81.859491][ C3] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 81.859926][ C3] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 81.860308][ C3] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 81.860684][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 81.861092][ 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) [ 81.861431][ C3] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436) [ 81.861812][ 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) [ 81.862205][ C3] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 81.862637][ C3] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133) [ 81.863086][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 81.863586][ C3] ? icmp6_dst_alloc (net/ipv6/route.c:3292) [ 81.863961][ C3] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386) [ 81.864388][ C3] mld_sendpack (net/ipv6/mcast.c:1822) [ 81.864756][ C3] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 81.865165][ C3] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 81.865568][ C3] mld_ifc_work (net/ipv6/mcast.c:2652) [ 81.865912][ C3] process_one_work (kernel/workqueue.c:2633) [ 81.866337][ 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) [ 81.866731][ C3] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 81.867222][ C3] ? assign_work (kernel/workqueue.c:1101) [ 81.867619][ C3] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 81.868023][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 81.868564][ C3] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 81.868999][ C3] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 81.869424][ C3] kthread (kernel/kthread.c:388) [ 81.869757][ C3] ? __pfx_kthread (kernel/kthread.c:341) [ 81.870127][ C3] ret_from_fork (arch/x86/kernel/process.c:147) [ 81.870505][ C3] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: dump_stack_lvl:__ubsan_handle_load_invalid_value:deliver_clone:br_handle_frame_finish