Warning: Permanently added '10.128.0.79' (ECDSA) to the list of known hosts. 2020/05/03 08:58:23 parsed 1 programs 2020/05/03 08:58:27 executed programs: 0 syzkaller login: [ 168.484505][ T8840] IPVS: ftp: loaded support on port[0] = 21 [ 168.647467][ T8840] chnl_net:caif_netlink_parms(): no params data found [ 168.787452][ T8840] bridge0: port 1(bridge_slave_0) entered blocking state [ 168.794924][ T8840] bridge0: port 1(bridge_slave_0) entered disabled state [ 168.804745][ T8840] device bridge_slave_0 entered promiscuous mode [ 168.814434][ T8840] bridge0: port 2(bridge_slave_1) entered blocking state [ 168.821591][ T8840] bridge0: port 2(bridge_slave_1) entered disabled state [ 168.830947][ T8840] device bridge_slave_1 entered promiscuous mode [ 168.860399][ T8840] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 168.872933][ T8840] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 168.903549][ T8840] team0: Port device team_slave_0 added [ 168.911706][ T8840] team0: Port device team_slave_1 added [ 168.937936][ T8840] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 168.944981][ T8840] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 168.971365][ T8840] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 168.983859][ T8840] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 168.990925][ T8840] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 169.017079][ T8840] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 169.087508][ T8840] device hsr_slave_0 entered promiscuous mode [ 169.142827][ T8840] device hsr_slave_1 entered promiscuous mode [ 169.318310][ T8840] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 169.367060][ T8840] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 169.426468][ T8840] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 169.486583][ T8840] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 169.568519][ T8840] bridge0: port 2(bridge_slave_1) entered blocking state [ 169.575711][ T8840] bridge0: port 2(bridge_slave_1) entered forwarding state [ 169.583643][ T8840] bridge0: port 1(bridge_slave_0) entered blocking state [ 169.590821][ T8840] bridge0: port 1(bridge_slave_0) entered forwarding state [ 169.614189][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 169.624160][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 169.677623][ T8840] 8021q: adding VLAN 0 to HW filter on device bond0 [ 169.697695][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 169.706685][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 169.719601][ T8840] 8021q: adding VLAN 0 to HW filter on device team0 [ 169.732263][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 169.742172][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 169.750993][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 169.758329][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 169.772700][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 169.782310][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 169.791085][ T3548] bridge0: port 2(bridge_slave_1) entered blocking state [ 169.798459][ T3548] bridge0: port 2(bridge_slave_1) entered forwarding state [ 169.813616][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 169.827810][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 169.845214][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 169.854741][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 169.865223][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 169.882358][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 169.891860][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 169.912413][ T8840] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 169.923024][ T8840] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 169.938308][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 169.948003][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 169.958132][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 169.968090][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 169.979511][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 170.006203][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 170.014684][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 170.033619][ T8840] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 170.059179][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 170.069777][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 170.101065][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 170.110547][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 170.123849][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 170.133611][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 170.146617][ T8840] device veth0_vlan entered promiscuous mode [ 170.161444][ T8840] device veth1_vlan entered promiscuous mode [ 170.194681][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 170.203471][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 170.213018][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 170.222864][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 170.237649][ T8840] device veth0_macvtap entered promiscuous mode [ 170.249230][ T8840] device veth1_macvtap entered promiscuous mode [ 170.275663][ T8840] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 170.283909][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 170.293254][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 170.302659][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 170.312555][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 170.330724][ T8840] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 170.338686][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 170.348898][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 170.431311][ T9044] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 170.553335][ T3548] ===================================================== [ 170.560443][ T3548] BUG: KMSAN: uninit-value in skbprio_enqueue+0xb8f/0x18f0 [ 170.567745][ T3548] CPU: 1 PID: 3548 Comm: kworker/1:2 Not tainted 5.6.0-rc7-syzkaller #0 [ 170.576088][ T3548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.586339][ T3548] Workqueue: ipv6_addrconf addrconf_dad_work [ 170.592307][ T3548] Call Trace: [ 170.595623][ T3548] dump_stack+0x1c9/0x220 [ 170.599988][ T3548] kmsan_report+0xf7/0x1e0 [ 170.604408][ T3548] __msan_warning+0x58/0xa0 [ 170.608912][ T3548] skbprio_enqueue+0xb8f/0x18f0 [ 170.613772][ T3548] ? kmsan_set_origin_checked+0x95/0xf0 [ 170.619341][ T3548] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 170.625432][ T3548] ? mqprio_dump_class_stats+0x1250/0x1250 [ 170.631230][ T3548] __dev_queue_xmit+0x1c00/0x3b20 [ 170.636251][ T3548] ? ctnetlink_conntrack_event+0xd14/0x4240 [ 170.642176][ T3548] dev_queue_xmit+0x4b/0x60 [ 170.646672][ T3548] ip_finish_output2+0x20fd/0x2610 [ 170.652029][ T3548] ? ctnetlink_net_exit_batch+0x180/0x180 [ 170.657755][ T3548] ? nf_ct_deliver_cached_events+0x403/0x6c0 [ 170.664008][ T3548] __ip_finish_output+0xaa7/0xd80 [ 170.669034][ T3548] ip_finish_output+0x166/0x410 [ 170.673899][ T3548] ip_output+0x593/0x680 [ 170.678148][ T3548] ? ip_mc_finish_output+0x6c0/0x6c0 [ 170.683549][ T3548] ? ip_finish_output+0x410/0x410 [ 170.688563][ T3548] ip_local_out+0x164/0x1d0 [ 170.693072][ T3548] iptunnel_xmit+0x899/0xe00 [ 170.697678][ T3548] udp_tunnel_xmit_skb+0x52a/0x650 [ 170.702991][ T3548] geneve_xmit+0x28ed/0x2c20 [ 170.707633][ T3548] ? geneve_stop+0x400/0x400 [ 170.712218][ T3548] dev_hard_start_xmit+0x531/0xab0 [ 170.717336][ T3548] ? kmsan_get_metadata+0x11d/0x180 [ 170.722532][ T3548] __dev_queue_xmit+0x2f8d/0x3b20 [ 170.727562][ T3548] ? kmsan_get_metadata+0x11d/0x180 [ 170.732777][ T3548] ? kmsan_memcpy_metadata+0xb/0x10 [ 170.737986][ T3548] dev_queue_xmit+0x4b/0x60 [ 170.742484][ T3548] neigh_resolve_output+0xab0/0xb40 [ 170.747691][ T3548] ? neigh_event_ns+0x350/0x350 [ 170.752535][ T3548] ip6_finish_output2+0x20fd/0x2640 [ 170.758622][ T3548] ? kmsan_get_metadata+0x11d/0x180 [ 170.763901][ T3548] __ip6_finish_output+0x824/0x8e0 [ 170.769012][ T3548] ip6_finish_output+0x166/0x410 [ 170.773945][ T3548] ip6_output+0x60a/0x770 [ 170.778278][ T3548] ? ip6_output+0x770/0x770 [ 170.782770][ T3548] ? ac6_seq_show+0x200/0x200 [ 170.787470][ T3548] ndisc_send_skb+0x1047/0x15a0 [ 170.792347][ T3548] ? ndisc_error_report+0x1a0/0x1a0 [ 170.797642][ T3548] ndisc_send_ns+0xe38/0xe80 [ 170.802313][ T3548] ? __queue_delayed_work+0x27f/0x450 [ 170.807679][ T3548] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 170.813488][ T3548] addrconf_dad_work+0xc0b/0x2aa0 [ 170.818501][ T3548] ? kmsan_get_metadata+0x11d/0x180 [ 170.823700][ T3548] ? ipv6_get_saddr_eval+0x1350/0x1350 [ 170.829144][ T3548] process_one_work+0x1555/0x1f40 [ 170.834186][ T3548] worker_thread+0xef6/0x2450 [ 170.838870][ T3548] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 170.844665][ T3548] ? kmsan_get_metadata+0x11d/0x180 [ 170.849866][ T3548] kthread+0x4b5/0x4f0 [ 170.853922][ T3548] ? process_one_work+0x1f40/0x1f40 [ 170.859119][ T3548] ? kthread_blkcg+0xf0/0xf0 [ 170.863701][ T3548] ret_from_fork+0x35/0x40 [ 170.868112][ T3548] [ 170.870962][ T3548] Uninit was stored to memory at: [ 170.875974][ T3548] kmsan_internal_chain_origin+0xad/0x130 [ 170.881680][ T3548] __msan_chain_origin+0x50/0x90 [ 170.886602][ T3548] skbprio_change+0xba/0xc0 [ 170.891091][ T3548] tc_modify_qdisc+0x2b80/0x31c0 [ 170.896042][ T3548] rtnetlink_rcv_msg+0x1153/0x1570 [ 170.901140][ T3548] netlink_rcv_skb+0x451/0x650 [ 170.905893][ T3548] rtnetlink_rcv+0x50/0x60 [ 170.910297][ T3548] netlink_unicast+0xf9e/0x1100 [ 170.915147][ T3548] netlink_sendmsg+0x1246/0x14d0 [ 170.920117][ T3548] ____sys_sendmsg+0x12b6/0x1350 [ 170.925038][ T3548] __sys_sendmsg+0x451/0x5f0 [ 170.929787][ T3548] __se_sys_sendmsg+0x97/0xb0 [ 170.934450][ T3548] __x64_sys_sendmsg+0x4a/0x70 [ 170.939201][ T3548] do_syscall_64+0xb8/0x160 [ 170.943693][ T3548] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 170.949561][ T3548] [ 170.951873][ T3548] Uninit was created at: [ 170.956108][ T3548] kmsan_internal_poison_shadow+0x66/0xd0 [ 170.961817][ T3548] kmsan_slab_alloc+0x8a/0xe0 [ 170.966568][ T3548] __kmalloc_node_track_caller+0xb40/0x1200 [ 170.972461][ T3548] __alloc_skb+0x2fd/0xac0 [ 170.976863][ T3548] netlink_sendmsg+0x7d3/0x14d0 [ 170.981700][ T3548] ____sys_sendmsg+0x12b6/0x1350 [ 170.986635][ T3548] __sys_sendmsg+0x451/0x5f0 [ 170.991208][ T3548] __se_sys_sendmsg+0x97/0xb0 [ 170.995884][ T3548] __x64_sys_sendmsg+0x4a/0x70 [ 171.000676][ T3548] do_syscall_64+0xb8/0x160 [ 171.005184][ T3548] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 171.011055][ T3548] ===================================================== [ 171.017969][ T3548] Disabling lock debugging due to kernel taint [ 171.024110][ T3548] Kernel panic - not syncing: panic_on_warn set ... [ 171.030687][ T3548] CPU: 1 PID: 3548 Comm: kworker/1:2 Tainted: G B 5.6.0-rc7-syzkaller #0 [ 171.040381][ T3548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.050447][ T3548] Workqueue: ipv6_addrconf addrconf_dad_work [ 171.056410][ T3548] Call Trace: [ 171.059690][ T3548] dump_stack+0x1c9/0x220 [ 171.064410][ T3548] panic+0x3d5/0xc3e [ 171.068323][ T3548] kmsan_report+0x1df/0x1e0 [ 171.072837][ T3548] __msan_warning+0x58/0xa0 [ 171.077333][ T3548] skbprio_enqueue+0xb8f/0x18f0 [ 171.082178][ T3548] ? kmsan_set_origin_checked+0x95/0xf0 [ 171.087731][ T3548] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 171.093798][ T3548] ? mqprio_dump_class_stats+0x1250/0x1250 [ 171.099605][ T3548] __dev_queue_xmit+0x1c00/0x3b20 [ 171.105149][ T3548] ? ctnetlink_conntrack_event+0xd14/0x4240 [ 171.111077][ T3548] dev_queue_xmit+0x4b/0x60 [ 171.115573][ T3548] ip_finish_output2+0x20fd/0x2610 [ 171.120684][ T3548] ? ctnetlink_net_exit_batch+0x180/0x180 [ 171.126393][ T3548] ? nf_ct_deliver_cached_events+0x403/0x6c0 [ 171.132386][ T3548] __ip_finish_output+0xaa7/0xd80 [ 171.137415][ T3548] ip_finish_output+0x166/0x410 [ 171.142280][ T3548] ip_output+0x593/0x680 [ 171.146528][ T3548] ? ip_mc_finish_output+0x6c0/0x6c0 [ 171.151800][ T3548] ? ip_finish_output+0x410/0x410 [ 171.156810][ T3548] ip_local_out+0x164/0x1d0 [ 171.161310][ T3548] iptunnel_xmit+0x899/0xe00 [ 171.165926][ T3548] udp_tunnel_xmit_skb+0x52a/0x650 [ 171.171049][ T3548] geneve_xmit+0x28ed/0x2c20 [ 171.175666][ T3548] ? geneve_stop+0x400/0x400 [ 171.180260][ T3548] dev_hard_start_xmit+0x531/0xab0 [ 171.185371][ T3548] ? kmsan_get_metadata+0x11d/0x180 [ 171.190650][ T3548] __dev_queue_xmit+0x2f8d/0x3b20 [ 171.195676][ T3548] ? kmsan_get_metadata+0x11d/0x180 [ 171.200875][ T3548] ? kmsan_memcpy_metadata+0xb/0x10 [ 171.206089][ T3548] dev_queue_xmit+0x4b/0x60 [ 171.210583][ T3548] neigh_resolve_output+0xab0/0xb40 [ 171.215877][ T3548] ? neigh_event_ns+0x350/0x350 [ 171.220716][ T3548] ip6_finish_output2+0x20fd/0x2640 [ 171.225940][ T3548] ? kmsan_get_metadata+0x11d/0x180 [ 171.231131][ T3548] __ip6_finish_output+0x824/0x8e0 [ 171.236247][ T3548] ip6_finish_output+0x166/0x410 [ 171.241185][ T3548] ip6_output+0x60a/0x770 [ 171.245514][ T3548] ? ip6_output+0x770/0x770 [ 171.250008][ T3548] ? ac6_seq_show+0x200/0x200 [ 171.254672][ T3548] ndisc_send_skb+0x1047/0x15a0 [ 171.259532][ T3548] ? ndisc_error_report+0x1a0/0x1a0 [ 171.264725][ T3548] ndisc_send_ns+0xe38/0xe80 [ 171.269304][ T3548] ? __queue_delayed_work+0x27f/0x450 [ 171.274672][ T3548] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.280482][ T3548] addrconf_dad_work+0xc0b/0x2aa0 [ 171.285498][ T3548] ? kmsan_get_metadata+0x11d/0x180 [ 171.291218][ T3548] ? ipv6_get_saddr_eval+0x1350/0x1350 [ 171.296677][ T3548] process_one_work+0x1555/0x1f40 [ 171.301714][ T3548] worker_thread+0xef6/0x2450 [ 171.306388][ T3548] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.312185][ T3548] ? kmsan_get_metadata+0x11d/0x180 [ 171.317388][ T3548] kthread+0x4b5/0x4f0 [ 171.321968][ T3548] ? process_one_work+0x1f40/0x1f40 [ 171.327168][ T3548] ? kthread_blkcg+0xf0/0xf0 [ 171.331750][ T3548] ret_from_fork+0x35/0x40 [ 171.337617][ T3548] Kernel Offset: 0xaa00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 171.349637][ T3548] Rebooting in 86400 seconds..