====================================== | [ 33.872952][ T47] br1: port 2(veth1) entered forwarding state | [ 34.037073][ C0] ------------[ cut here ]------------ | [ 34.037644][ C0] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9 | [ 34.038194][ C0] load of value 107 is not a valid value for type '_Bool' [ 34.039350][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 34.040285][ C0] Workqueue: mld mld_ifc_work [ 34.040661][ C0] Call Trace: [ 34.040960][ C0] [ 34.041196][ C0] dump_stack_lvl (lib/dump_stack.c:107) [ 34.041567][ C0] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419) [ 34.042055][ C0] br_forward_finish.cold (./include/linux/spinlock.h:396 net/bridge/br.c:81) bridge [ 34.042645][ C0] deliver_clone (net/bridge/br_forward.c:132) bridge [ 34.043119][ C0] br_handle_frame_finish (net/bridge/br_input.c:215) bridge [ 34.043676][ C0] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge [ 34.044297][ 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) [ 34.044652][ DETECTED CRASH, lowering timeout C0] ? __pfx_nf_ingress (net/core/dev.c:5324) [ 34.045060][ C0] br_handle_frame (net/bridge/br_input.c:417) bridge [ 34.045583][ C0] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge [ 34.046119][ C0] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5448) [ 34.046620][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 34.046950][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 34.047315][ C0] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5341) [ 34.047847][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 34.048232][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995) [ 34.048603][ C0] __netif_receive_skb_one_core (net/core/dev.c:5553) [ 34.049055][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547) [ 34.049563][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 34.049920][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995) [ 34.050290][ C0] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997) [ 34.050652][ C0] __napi_poll.constprop.0 (net/core/dev.c:6625) [ 34.051054][ C0] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827) [ 34.051410][ C0] ? __pfx_net_rx_action (net/core/dev.c:6791) [ 34.051791][ C0] ? hlock_class (kernel/locking/lockdep.c:223) [ 34.052146][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 34.052511][ C0] __do_softirq (kernel/softirq.c:553) [ 34.052862][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 34.053278][ C0] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) [ 34.053624][ C0] [ 34.053841][ C0] [ 34.054058][ C0] __local_bh_enable_ip (kernel/softirq.c:381) [ 34.054437][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 34.054833][ C0] __dev_queue_xmit (net/core/dev.c:4365) [ 34.055227][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 34.055617][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 34.056126][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4246) [ 34.056538][ C0] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:772 ./include/net/neighbour.h:496) [ 34.056951][ C0] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [ 34.057369][ C0] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 34.057764][ C0] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 34.058112][ C0] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 34.058489][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 34.058898][ 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) [ 34.059259][ C0] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436) [ 34.059650][ 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) [ 34.060054][ C0] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 34.060487][ C0] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133) [ 34.060945][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 34.061460][ C0] ? icmp6_dst_alloc (net/ipv6/route.c:3292) [ 34.061840][ C0] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386) [ 34.062254][ C0] mld_sendpack (net/ipv6/mcast.c:1822) [ 34.062621][ C0] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 34.063041][ C0] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 34.063423][ C0] mld_ifc_work (net/ipv6/mcast.c:2652) [ 34.063776][ C0] process_one_work (kernel/workqueue.c:2633) [ 34.064171][ 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) [ 34.064522][ C0] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 34.064969][ C0] ? assign_work (kernel/workqueue.c:1101) [ 34.065335][ C0] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 34.065730][ C0] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 34.066124][ C0] kthread (kernel/kthread.c:388) [ 34.066441][ C0] ? __pfx_kthread (kernel/kthread.c:341) [ 34.066817][ C0] ret_from_fork (arch/x86/kernel/process.c:147) [ 34.067162][ C0] ? __pfx_kthread (kernel/kthread.c:341) [ 34.067526][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 42.410386][ T23] br2: port 1(w1) entered forwarding state | [ 44.173457][ C2] ------------[ cut here ]------------ | [ 44.173840][ C2] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9 | [ 44.174243][ C2] load of value 107 is not a valid value for type '_Bool' [ 44.175122][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 44.175812][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 44.176183][ C2] Call Trace: [ 44.176361][ C2] [ 44.176515][ C2] dump_stack_lvl (lib/dump_stack.c:107) [ 44.176775][ C2] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419) [ 44.177138][ C2] skb_scrub_packet.cold (./include/linux/skbuff.h:4267 net/core/skbuff.c:6030) [ 44.177451][ C2] __dev_forward_skb2 (./include/linux/netdevice.h:4115 net/core/dev.c:2135) [ 44.177740][ C2] veth_xmit (drivers/net/veth.c:319 drivers/net/veth.c:374) veth [ 44.178045][ C2] ? __pfx_passthru_features_check (net/core/dev.c:3436) [ 44.178413][ C2] dev_hard_start_xmit (./include/linux/netdevice.h:4991 ./include/linux/netdevice.h:5005 net/core/dev.c:3530 net/core/dev.c:3546) [ 44.178694][ C2] __dev_queue_xmit (./include/linux/netdevice.h:3369 net/core/dev.c:4338) [ 44.178982][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 44.179236][ C2] ? eth_header (net/ethernet/eth.c:100) [ 44.179522][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4246) [ 44.179813][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3226 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 44.180163][ C2] ? __neigh_update (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/neighbour.c:1446) [ 44.180488][ C2] __neigh_update (net/core/neighbour.c:1461) [ 44.180776][ C2] arp_process (./include/linux/instrumented.h:96 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:400 (discriminator 4) ./include/linux/refcount.h:261 (discriminator 4) ./include/linux/refcount.h:304 (discriminator 4) ./include/linux/refcount.h:322 (discriminator 4) ./include/net/neighbour.h:444 (discriminator 4) net/ipv4/arp.c:934 (discriminator 4)) [ 44.181069][ C2] ? __pfx_arp_process (net/ipv4/arp.c:699) [ 44.181363][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 44.181692][ C2] ? __pfx_arp_rcv (net/ipv4/arp.c:965) [ 44.181974][ C2] __netif_receive_skb_one_core (net/core/dev.c:5554 (discriminator 5)) [ 44.182307][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547) [ 44.182689][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 44.182984][ C2] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995) [ 44.183287][ C2] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997) [ 44.183562][ C2] __napi_poll.constprop.0 (net/core/dev.c:6625) [ 44.183868][ C2] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827) [ 44.184147][ C2] ? __pfx_net_rx_action (net/core/dev.c:6791) [ 44.184476][ C2] ? hlock_class (kernel/locking/lockdep.c:223) [ 44.184778][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 44.185036][ C2] __do_softirq (kernel/softirq.c:553) [ 44.185283][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 44.185616][ C2] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) [ 44.185838][ C2] [ 44.186082][ C2] [ 44.186238][ C2] __local_bh_enable_ip (kernel/softirq.c:381) [ 44.186581][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 44.186874][ C2] __dev_queue_xmit (net/core/dev.c:4365) [ 44.187179][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 44.187437][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 44.187830][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4246) [ 44.188156][ C2] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [ 44.188448][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 44.188755][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 44.189044][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 44.189326][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 44.189619][ C2] ? 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) [ 44.189882][ C2] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436) [ 44.190180][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 44.190503][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 44.190807][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133) [ 44.191116][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 44.191467][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3292) [ 44.191726][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386) [ 44.192009][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 44.192251][ C2] ? ipv6_mc_dad_complete (net/ipv6/mcast.c:2242) [ 44.192531][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 44.192818][ C2] ipv6_mc_dad_complete (./include/linux/refcount.h:190 net/ipv6/mcast.c:2244) [ 44.193094][ C2] addrconf_dad_completed (net/ipv6/addrconf.c:4343) [ 44.193384][ C2] ? __pfx_addrconf_dad_completed (net/ipv6/addrconf.c:4309) [ 44.193696][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 44.193955][ C2] ? addrconf_dad_work (net/ipv6/addrconf.c:4270) [ 44.194224][ C2] addrconf_dad_work (net/ipv6/addrconf.c:4270) [ 44.194490][ C2] ? __pfx_addrconf_dad_work (net/ipv6/addrconf.c:4180) [ 44.194780][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 44.195079][ C2] ? process_one_work (kernel/workqueue.c:2609) [ 44.195378][ C2] process_one_work (kernel/workqueue.c:2633) [ 44.195709][ C2] ? 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) [ 44.195949][ C2] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 44.196296][ C2] ? assign_work (kernel/workqueue.c:1101) [ 44.196585][ C2] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 44.196869][ C2] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 44.197187][ C2] kthread (kernel/kthread.c:388) [ 44.197436][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 44.197711][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 44.198007][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 44.198275][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 44.198746][ C2] ---[ end trace ]--- | [ 44.199205][ C2] ------------[ cut here ]------------ | [ 44.199539][ C2] UBSAN: invalid-load in ./include/linux/skbuff.h:4267:9 | [ 44.199991][ C2] load of value 107 is not a valid value for type '_Bool' [ 44.200886][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 44.201575][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 44.201931][ C2] Call Trace: [ 44.202134][ C2] [ 44.202287][ C2] dump_stack_lvl (lib/dump_stack.c:107) [ 44.202549][ C2] __ubsan_handle_load_invalid_value (lib/ubsan.c:218 lib/ubsan.c:419) [ 44.202917][ C2] ip_forward_finish.cold (./include/linux/skbuff.h:4267 net/ipv4/ip_forward.c:79) [ 44.203278][ C2] NF_HOOK.constprop.0 (./include/linux/netfilter.h:314) [ 44.203544][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 44.203863][ C2] ? __netif_receive_skb_core.constprop.0 (net/core/dev.c:5442) [ 44.204256][ C2] ? __xfrm_policy_check2.constprop.0 (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2654 ./include/net/xfrm.h:1165) [ 44.204625][ C2] ? ip_forward (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/skbuff.h:1922 ./include/linux/skbuff.h:3664 net/ipv4/ip_forward.c:144) [ 44.204919][ C2] ? vrf_l3_rcv (drivers/net/vrf.c:1222 drivers/net/vrf.c:1456 drivers/net/vrf.c:1468) vrf [ 44.205243][ C2] ip_rcv (./include/net/dst.h:460 ./include/net/dst.h:458 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569) [ 44.205479][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 44.205739][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 44.206014][ C2] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995) [ 44.206337][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 44.206607][ C2] __netif_receive_skb_one_core (net/core/dev.c:5554 (discriminator 4)) [ 44.206937][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5547) [ 44.207314][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 44.207610][ C2] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5995) [ 44.207872][ C2] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5997) [ 44.208159][ C2] __napi_poll.constprop.0 (net/core/dev.c:6625) [ 44.208462][ C2] net_rx_action (net/core/dev.c:6694 net/core/dev.c:6827) [ 44.208736][ C2] ? __pfx_net_rx_action (net/core/dev.c:6791) [ 44.209086][ C2] ? hlock_class (kernel/locking/lockdep.c:223) [ 44.209372][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 44.209669][ C2] __do_softirq (kernel/softirq.c:553) [ 44.209921][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 44.210259][ C2] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) [ 44.210482][ C2] [ 44.210637][ C2] [ 44.210793][ C2] __local_bh_enable_ip (kernel/softirq.c:381) [ 44.211061][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4364) [ 44.211328][ C2] __dev_queue_xmit (net/core/dev.c:4365) [ 44.211641][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 44.211954][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 44.212345][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4246) [ 44.212641][ C2] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [ 44.212914][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 44.213180][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 44.213411][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 44.213665][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 44.213939][ C2] ? 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) [ 44.214178][ C2] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436) [ 44.214442][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 44.214707][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 44.214999][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133) [ 44.215314][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 44.215655][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3292) [ 44.215913][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386) [ 44.216194][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 44.216438][ C2] ? ipv6_mc_dad_complete (net/ipv6/mcast.c:2242) [ 44.216722][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 44.217005][ C2] ipv6_mc_dad_complete (./include/linux/refcount.h:190 net/ipv6/mcast.c:2244) [ 44.217286][ C2] addrconf_dad_completed (net/ipv6/addrconf.c:4343) [ 44.217569][ C2] ? __pfx_addrconf_dad_completed (net/ipv6/addrconf.c:4309) [ 44.217902][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 44.218198][ C2] ? addrconf_dad_work (net/ipv6/addrconf.c:4270) [ 44.218508][ C2] addrconf_dad_work (net/ipv6/addrconf.c:4270) [ 44.218874][ C2] ? __pfx_addrconf_dad_work (net/ipv6/addrconf.c:4180) [ 44.219161][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 44.219438][ C2] ? process_one_work (kernel/workqueue.c:2609) [ 44.219759][ C2] process_one_work (kernel/workqueue.c:2633) [ 44.220092][ C2] ? 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) [ 44.220330][ C2] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 44.220620][ C2] ? assign_work (kernel/workqueue.c:1101) [ 44.220874][ C2] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 44.221165][ C2] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 44.221439][ C2] kthread (kernel/kthread.c:388) [ 44.221699][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 44.221979][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 44.222229][ C2] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: dump_stack_lvl:__ubsan_handle_load_invalid_value:deliver_clone:br_handle_frame_finish dump_stack_lvl:__ubsan_handle_load_invalid_value:__dev_forward_skb2:veth_xmit dump_stack_lvl:__ubsan_handle_load_invalid_value:ip_rcv:__netif_receive_skb_one_core