====================================== | [ 27.427573][ T47] br1: port 2(veth2) entered forwarding state | [ 27.432073][ C0] ------------[ cut here ]------------ | [ 27.432496][ C0] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9 | [ 27.432901][ C0] load of value 107 is not a valid value for type '_Bool' [ 27.433731][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.434356][ C0] Workqueue: mld mld_ifc_work [ 27.434610][ C0] Call Trace: [ 27.434788][ C0] [ 27.434941][ C0] dump_stack_lvl (lib/dump_stack.c:107) [ 27.435187][ C0] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419) [ 27.435519][ C0] br_forward_finish.cold (./include/linux/spinlock.h:396 net/bridge/br.c:81) bridge [ 27.435904][ C0] deliver_clone (net/bridge/br_forward.c:132) bridge [ 27.436215][ C0] br_handle_frame_finish (net/bridge/br_input.c:215) bridge [ 27.436 DETECTED CRASH, lowering timeout 583][ C0] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge [ 27.436966][ C0] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 27.437244][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 27.437472][ C0] ? kasan_save_stack (mm/kasan/common.c:48) [ 27.437737][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 27.437999][ C0] ? __pfx_nf_ingress (net/core/dev.c:5324) [ 27.438266][ C0] br_handle_frame (net/bridge/br_input.c:417) bridge [ 27.438594][ C0] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge [ 27.438950][ C0] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5448) [ 27.439303][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 27.439539][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 27.439809][ C0] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5341) [ 27.440188][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 27.440460][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995) [ 27.440727][ C0] __netif_receive_skb_one_core (net/core/dev.c:5553) [ 27.441040][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547) [ 27.441379][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 27.441625][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995) [ 27.441891][ C0] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997) [ 27.442148][ C0] __napi_poll.constprop.0 (net/core/dev.c:6625) [ 27.442436][ C0] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827) [ 27.442692][ C0] ? __pfx_net_rx_action (net/core/dev.c:6791) [ 27.442965][ C0] ? hlock_class (kernel/locking/lockdep.c:223) [ 27.443213][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 27.443472][ C0] __do_softirq (kernel/softirq.c:553) [ 27.443717][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 27.443989][ C0] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) [ 27.444214][ C0] [ 27.444371][ C0] [ 27.444528][ C0] __local_bh_enable_ip (kernel/softirq.c:381) [ 27.444801][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 27.445070][ C0] __dev_queue_xmit (net/core/dev.c:4365) [ 27.445335][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 27.445590][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 27.445935][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4246) [ 27.446217][ C0] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:772 ./include/net/neighbour.h:496) [ 27.446492][ C0] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [ 27.446767][ C0] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 27.447035][ C0] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 27.447268][ C0] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 27.447526][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 27.447804][ 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) [ 27.448046][ C0] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436) [ 27.448309][ 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) [ 27.448576][ C0] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 27.448872][ C0] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133) [ 27.449182][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 27.449526][ C0] ? icmp6_dst_alloc (net/ipv6/route.c:3292) [ 27.449794][ C0] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386) [ 27.450077][ C0] mld_sendpack (net/ipv6/mcast.c:1822) [ 27.450324][ C0] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 27.450601][ C0] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 27.450854][ C0] mld_ifc_work (net/ipv6/mcast.c:2652) [ 27.451094][ C0] process_one_work (kernel/workqueue.c:2633) [ 27.451365][ 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) [ 27.451604][ C0] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 27.451898][ C0] ? assign_work (kernel/workqueue.c:1101) [ 27.452146][ C0] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 27.452410][ C0] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 27.452680][ C0] kthread (kernel/kthread.c:388) [ 27.452896][ C0] ? __pfx_kthread (kernel/kthread.c:341) [ 27.453142][ C0] ret_from_fork (arch/x86/kernel/process.c:147) [ 27.453379][ C0] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: dump_stack_lvl:__ubsan_handle_load_invalid_value:deliver_clone:br_handle_frame_finish