====================================== | [ 116.107409][ T49] br1: port 2(veth2) entered forwarding state | [ 116.111865][ C0] ------------[ cut here ]------------ | [ 116.112243][ C0] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9 | [ 116.112666][ C0] load of value 107 is not a valid value for type '_Bool' [ 116.113457][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 116.114105][ C0] Workqueue: mld mld_ifc_work [ 116.114358][ C0] Call Trace: [ 116.114537][ C0] [ 116.114689][ C0] dump_stack_lvl (lib/dump_stack.c:107) [ 116.114942][ C0] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419) [ 116.115285][ C0] br_forward_finish.cold (./include/linux/spinlock.h:396 net/bridge/br.c:81) bridge [ 116.115685][ C0] deliver_clone (net/bridge/br_forward.c:132) bridge [ 116.115997][ C0] br_handle_frame_finish (net/bridge/br_input.c:215) bridge [ 116.1 DETECTED CRASH, lowering timeout 16376][ C0] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge [ 116.116769][ C0] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 116.117054][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 116.117277][ C0] ? kasan_save_stack (mm/kasan/common.c:48) [ 116.117554][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 116.117877][ C0] ? __pfx_nf_ingress (net/core/dev.c:5324) [ 116.118140][ C0] br_handle_frame (net/bridge/br_input.c:417) bridge [ 116.118472][ C0] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge [ 116.118840][ C0] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5448) [ 116.119206][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 116.119447][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 116.119720][ C0] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5341) [ 116.120111][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 116.120380][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995) [ 116.120657][ C0] __netif_receive_skb_one_core (net/core/dev.c:5553) [ 116.120961][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547) [ 116.121313][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 116.121577][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995) [ 116.121838][ C0] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997) [ 116.122091][ C0] __napi_poll.constprop.0 (net/core/dev.c:6625) [ 116.122385][ C0] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827) [ 116.122650][ C0] ? __pfx_net_rx_action (net/core/dev.c:6791) [ 116.122915][ C0] ? hlock_class (kernel/locking/lockdep.c:223) [ 116.123162][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 116.123415][ C0] __do_softirq (kernel/softirq.c:553) [ 116.123657][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 116.123923][ C0] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) [ 116.124143][ C0] [ 116.124298][ C0] [ 116.124450][ C0] __local_bh_enable_ip (kernel/softirq.c:381) [ 116.124712][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 116.124974][ C0] __dev_queue_xmit (net/core/dev.c:4365) [ 116.125232][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 116.125487][ C0] ? eth_header (net/ethernet/eth.c:100) [ 116.125726][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4246) [ 116.126006][ C0] ? neigh_resolve_output (./include/linux/netdevice.h:3226 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 116.126293][ C0] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 116.126570][ C0] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 116.126832][ C0] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 116.127058][ C0] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 116.127310][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 116.127581][ C0] ? 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) [ 116.127823][ C0] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436) [ 116.128081][ C0] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 116.128342][ C0] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 116.128628][ C0] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133) [ 116.128935][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 116.129270][ C0] ? icmp6_dst_alloc (net/ipv6/route.c:3292) [ 116.129524][ C0] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386) [ 116.129799][ C0] mld_sendpack (net/ipv6/mcast.c:1822) [ 116.130041][ C0] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 116.130315][ C0] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 116.130561][ C0] mld_ifc_work (net/ipv6/mcast.c:2652) [ 116.130794][ C0] process_one_work (kernel/workqueue.c:2633) [ 116.131057][ C0] ? 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) [ 116.131301][ C0] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 116.131587][ C0] ? assign_work (kernel/workqueue.c:1101) [ 116.131831][ C0] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 116.132080][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 116.132424][ C0] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 116.132699][ C0] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 116.132962][ C0] kthread (kernel/kthread.c:388) [ 116.133173][ C0] ? __pfx_kthread (kernel/kthread.c:341) [ 116.133423][ C0] ret_from_fork (arch/x86/kernel/process.c:147) [ 116.133652][ C0] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: dump_stack_lvl:__ubsan_handle_load_invalid_value:deliver_clone:br_handle_frame_finish