====================================== | [ 32.460153][ T49] br1: port 2(veth2) entered forwarding state | [ 32.465220][ C3] ------------[ cut here ]------------ | [ 32.465618][ C3] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9 | [ 32.465981][ C3] load of value 107 is not a valid value for type '_Bool' [ 32.466754][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.467402][ C3] Workqueue: mld mld_ifc_work [ 32.467654][ C3] Call Trace: [ 32.467830][ C3] <IRQ> [ 32.467990][ C3] dump_stack_lvl (lib/dump_stack.c:107) [ 32.468233][ C3] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419) [ 32.468561][ C3] br_forward_finish.cold (./include/linux/spinlock.h:396 net/bridge/br.c:81) bridge [ 32.469001][ C3] deliver_clone (net/bridge/br_forward.c:132) bridge [ 32.469342][ C3] br_handle_frame_finish (net/bridge/br_input.c:215) bridge [ 32.46 DETECTED CRASH, lowering timeout 9726][ C3] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge [ 32.470153][ 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) [ 32.470408][ C3] ? __pfx_nf_ingress (net/core/dev.c:5324) [ 32.470688][ C3] br_handle_frame (net/bridge/br_input.c:417) bridge [ 32.471013][ C3] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge [ 32.471365][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5448) [ 32.471717][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 32.471951][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 32.472213][ C3] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5341) [ 32.472590][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 32.472861][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995) [ 32.473122][ C3] __netif_receive_skb_one_core (net/core/dev.c:5553) [ 32.473425][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547) [ 32.473761][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 32.474005][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995) [ 32.474269][ C3] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997) [ 32.474525][ C3] __napi_poll.constprop.0 (net/core/dev.c:6625) [ 32.474809][ C3] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827) [ 32.475112][ C3] ? __pfx_net_rx_action (net/core/dev.c:6791) [ 32.475410][ C3] ? hlock_class (kernel/locking/lockdep.c:223) [ 32.475672][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 32.475930][ C3] __do_softirq (kernel/softirq.c:553) [ 32.476189][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 32.476459][ C3] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) [ 32.476702][ C3] </IRQ> [ 32.476873][ C3] <TASK> [ 32.477029][ C3] __local_bh_enable_ip (kernel/softirq.c:381) [ 32.477333][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 32.477634][ C3] __dev_queue_xmit (net/core/dev.c:4365) [ 32.477897][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 32.478170][ C3] ? eth_header (net/ethernet/eth.c:100) [ 32.478417][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4246) [ 32.478720][ C3] ? neigh_resolve_output (./include/linux/netdevice.h:3226 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 32.479055][ C3] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 32.479348][ C3] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 32.479613][ C3] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 32.479856][ C3] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 32.480113][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 32.480386][ 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) [ 32.480624][ C3] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436) [ 32.480885][ 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) [ 32.481154][ C3] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 32.481445][ C3] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133) [ 32.481751][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 32.482089][ C3] ? icmp6_dst_alloc (net/ipv6/route.c:3292) [ 32.482347][ C3] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386) [ 32.482627][ C3] mld_sendpack (net/ipv6/mcast.c:1822) [ 32.482871][ C3] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 32.483142][ C3] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 32.483388][ C3] mld_ifc_work (net/ipv6/mcast.c:2652) [ 32.483655][ C3] process_one_work (kernel/workqueue.c:2633) [ 32.483942][ 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) [ 32.484201][ C3] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 32.484505][ C3] ? assign_work (kernel/workqueue.c:1101) [ 32.484766][ C3] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 32.485034][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 32.485390][ C3] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 32.485659][ C3] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 32.485924][ C3] kthread (kernel/kthread.c:388) [ 32.486159][ C3] ? __pfx_kthread (kernel/kthread.c:341) [ 32.486410][ C3] ret_from_fork (arch/x86/kernel/process.c:147) [ 32.486659][ C3] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: dump_stack_lvl:__ubsan_handle_load_invalid_value:deliver_clone:br_handle_frame_finish