[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 59.492875][ T8630] IPVS: ftp: loaded support on port[0] = 21 [ 59.813218][ T235] tipc: TX() has been purged, node left! [ 60.523649][ T8615] can: request_module (can-proto-0) failed. [ 62.703974][ T8615] can: request_module (can-proto-0) failed. [ 62.715210][ T8615] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.226' (ECDSA) to the list of known hosts. 2020/03/14 13:30:27 parsed 1 programs 2020/03/14 13:30:28 executed programs: 0 [ 70.797551][ T8718] IPVS: ftp: loaded support on port[0] = 21 [ 70.800658][ T8714] IPVS: ftp: loaded support on port[0] = 21 [ 70.817474][ T8717] IPVS: ftp: loaded support on port[0] = 21 [ 70.865592][ T8721] IPVS: ftp: loaded support on port[0] = 21 [ 70.865790][ T8724] IPVS: ftp: loaded support on port[0] = 21 [ 70.878981][ T8723] IPVS: ftp: loaded support on port[0] = 21 [ 70.964940][ T8718] chnl_net:caif_netlink_parms(): no params data found [ 71.092924][ T8718] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.100636][ T8718] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.110181][ T8718] device bridge_slave_0 entered promiscuous mode [ 71.120412][ T8718] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.127590][ T8718] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.135292][ T8718] device bridge_slave_1 entered promiscuous mode [ 71.157704][ T8717] chnl_net:caif_netlink_parms(): no params data found [ 71.206935][ T8714] chnl_net:caif_netlink_parms(): no params data found [ 71.216700][ T8718] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.251539][ T8723] chnl_net:caif_netlink_parms(): no params data found [ 71.265231][ T8718] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.309222][ T8721] chnl_net:caif_netlink_parms(): no params data found [ 71.319444][ T8718] team0: Port device team_slave_0 added [ 71.347892][ T8718] team0: Port device team_slave_1 added [ 71.383906][ T8724] chnl_net:caif_netlink_parms(): no params data found [ 71.402857][ T8718] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.409954][ T8718] 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. [ 71.436212][ T8718] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.462608][ T8718] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.469734][ T8718] 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. [ 71.496841][ T8718] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.564528][ T8717] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.571617][ T8717] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.579853][ T8717] device bridge_slave_0 entered promiscuous mode [ 71.587281][ T8723] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.597193][ T8723] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.604939][ T8723] device bridge_slave_0 entered promiscuous mode [ 71.626637][ T8714] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.634015][ T8714] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.641581][ T8714] device bridge_slave_0 entered promiscuous mode [ 71.649058][ T8717] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.656364][ T8717] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.664233][ T8717] device bridge_slave_1 entered promiscuous mode [ 71.671243][ T8723] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.678684][ T8723] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.686736][ T8723] device bridge_slave_1 entered promiscuous mode [ 71.717565][ T8714] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.725395][ T8714] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.733469][ T8714] device bridge_slave_1 entered promiscuous mode [ 71.786140][ T8718] device hsr_slave_0 entered promiscuous mode [ 71.823863][ T8718] device hsr_slave_1 entered promiscuous mode [ 71.875006][ T8721] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.882065][ T8721] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.890384][ T8721] device bridge_slave_0 entered promiscuous mode [ 71.902647][ T8721] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.909910][ T8721] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.917812][ T8721] device bridge_slave_1 entered promiscuous mode [ 71.959624][ T8724] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.969354][ T8724] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.977239][ T8724] device bridge_slave_0 entered promiscuous mode [ 71.989215][ T8714] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.004173][ T8714] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.014838][ T8717] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.026071][ T8723] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.039415][ T8723] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.052736][ T8724] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.060039][ T8724] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.071640][ T8724] device bridge_slave_1 entered promiscuous mode [ 72.080212][ T8721] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.097288][ T8717] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.122957][ T8721] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.168777][ T8714] team0: Port device team_slave_0 added [ 72.176686][ T8723] team0: Port device team_slave_0 added [ 72.184434][ T8714] team0: Port device team_slave_1 added [ 72.191613][ T8721] team0: Port device team_slave_0 added [ 72.199234][ T8724] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.214724][ T8717] team0: Port device team_slave_0 added [ 72.225889][ T8723] team0: Port device team_slave_1 added [ 72.240842][ T8721] team0: Port device team_slave_1 added [ 72.251971][ T8724] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.262642][ T8717] team0: Port device team_slave_1 added [ 72.291952][ T8714] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.298996][ T8714] 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. [ 72.324987][ T8714] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.355192][ T8723] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.362183][ T8723] 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. [ 72.388302][ T8723] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.399893][ T8714] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.407766][ T8714] 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. [ 72.437195][ T8714] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.454052][ T8721] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.461031][ T8721] 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. [ 72.487442][ T8721] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.505379][ T8724] team0: Port device team_slave_0 added [ 72.511691][ T8717] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.518925][ T8717] 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. [ 72.545439][ T8717] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.556861][ T8723] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.565520][ T8723] 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. [ 72.591594][ T8723] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.610227][ T8721] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.617965][ T8721] 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. [ 72.644525][ T8721] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.656752][ T8724] team0: Port device team_slave_1 added [ 72.663234][ T8717] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.670198][ T8717] 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. [ 72.696557][ T8717] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.796049][ T8714] device hsr_slave_0 entered promiscuous mode [ 72.833526][ T8714] device hsr_slave_1 entered promiscuous mode [ 72.883480][ T8714] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.891304][ T8714] Cannot create hsr debugfs directory [ 72.900216][ T8724] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.907925][ T8724] 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. [ 72.933959][ T8724] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.955550][ T8718] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 73.006186][ T8724] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.013524][ T8724] 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. [ 73.039557][ T8724] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.108061][ T8723] device hsr_slave_0 entered promiscuous mode [ 73.153725][ T8723] device hsr_slave_1 entered promiscuous mode [ 73.223686][ T8723] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.231264][ T8723] Cannot create hsr debugfs directory [ 73.276044][ T8721] device hsr_slave_0 entered promiscuous mode [ 73.343557][ T8721] device hsr_slave_1 entered promiscuous mode [ 73.393470][ T8721] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.401038][ T8721] Cannot create hsr debugfs directory [ 73.407524][ T8718] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 73.480434][ T8718] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 73.541613][ T8718] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 73.636068][ T8717] device hsr_slave_0 entered promiscuous mode [ 73.703925][ T8717] device hsr_slave_1 entered promiscuous mode [ 73.763173][ T8717] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.770895][ T8717] Cannot create hsr debugfs directory [ 73.876002][ T8724] device hsr_slave_0 entered promiscuous mode [ 73.913604][ T8724] device hsr_slave_1 entered promiscuous mode [ 73.953262][ T8724] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.961479][ T8724] Cannot create hsr debugfs directory [ 74.175741][ T8714] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 74.205191][ T8714] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 74.261093][ T8714] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 74.325315][ T8714] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 74.417367][ T8723] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 74.468162][ T8723] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 74.539605][ T8718] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.547243][ T8717] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 74.606959][ T8723] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 74.668803][ T8723] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 74.735541][ T8717] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 74.766278][ T8717] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 74.829349][ T8717] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 74.879678][ T8718] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.905325][ T8721] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.965616][ T8721] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.033430][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.041910][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.050231][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.058971][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.067638][ T2711] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.074829][ T2711] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.082850][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.092015][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.100582][ T2711] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.107658][ T2711] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.116231][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.135229][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.144076][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.155312][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.164397][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.172588][ T8721] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.205003][ T8721] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.253787][ T8724] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 75.296295][ T8724] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 75.365556][ T8724] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 75.404608][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.412422][ T8724] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 75.495176][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.506941][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.517510][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.526664][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.560765][ T8718] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.572866][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.587032][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.597263][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.622217][ T8714] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.668825][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.679106][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.692661][ T8718] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.709084][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.717558][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.748279][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.760316][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.770827][ T8714] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.801859][ T8717] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.827261][ T8718] device veth0_vlan entered promiscuous mode [ 75.839804][ T8723] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.848577][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.857594][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.867160][ T2678] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.874331][ T2678] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.882588][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.891277][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.900364][ T2678] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.907443][ T2678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.915063][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.923201][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.936983][ T8724] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.960902][ T8721] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.971137][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.981834][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.990875][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.998708][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.007888][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.016874][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.025634][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.057863][ T8723] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.067851][ T8718] device veth1_vlan entered promiscuous mode [ 76.078235][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.086879][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.095349][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.103415][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.111044][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.120362][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.129078][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.137903][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.146268][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.154211][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.161870][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.169792][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.182176][ T8721] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.198892][ T8717] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.207343][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.215994][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.224044][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.232892][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.241368][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.249709][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.258643][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.267304][ T2678] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.274410][ T2678] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.283927][ T8724] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.293458][ T8714] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.321077][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.329899][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.339440][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.347904][ T2678] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.354994][ T2678] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.362832][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.372225][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.380858][ T2678] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.387960][ T2678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.396174][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.404992][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.413483][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.421989][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.430638][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.439158][ T2678] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.446277][ T2678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.454032][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.472429][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.482475][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.491328][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.501075][ T2678] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.508618][ T2678] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.516851][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.525633][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.534127][ T2678] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.541199][ T2678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.549393][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.557965][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.566599][ T2678] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.573785][ T2678] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.602344][ T8718] device veth0_macvtap entered promiscuous mode [ 76.610686][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.618839][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.627020][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.636029][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.644600][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.652944][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.661814][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.670836][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.679566][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.688001][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.696683][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.705261][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.714090][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.722546][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.731573][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.740074][ T2758] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.747168][ T2758] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.763373][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.771031][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.779008][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.787858][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.796999][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.805746][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.814526][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.822868][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.856015][ T8718] device veth1_macvtap entered promiscuous mode [ 76.871923][ T8721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.882360][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.892349][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.901248][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.909972][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.918585][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.927396][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.936193][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.945222][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.960737][ T8724] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.972163][ T8724] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.997240][ T8718] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.007645][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.017423][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.026935][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.035962][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.043712][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.051181][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.059804][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.067988][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.076509][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.084997][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.093770][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.102027][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.110645][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.119345][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.127596][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.136260][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.144174][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.155860][ T8723] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.182001][ T8717] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 77.192967][ T8717] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 77.208009][ T8714] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.224187][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.231700][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.240163][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.248694][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.257163][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.265736][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.274174][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.288526][ T8718] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.314478][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.322968][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.335275][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.344186][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.361660][ T8724] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.394488][ T8721] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.437043][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.444733][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.474475][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 77.488230][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.497692][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.505681][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.514053][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 77.522634][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.532664][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.540835][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.552220][ T8717] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.648292][ T8714] device veth0_vlan entered promiscuous mode [ 77.664131][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 77.672710][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.716015][ T8723] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.729512][ T8714] device veth1_vlan entered promiscuous mode [ 77.748859][ T8721] device veth0_vlan entered promiscuous mode [ 77.778139][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 77.791185][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.800926][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 77.811034][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.839398][ T8761] ------------[ cut here ]------------ [ 77.850130][ T8761] refcount_t: underflow; use-after-free. [ 77.858271][ T8761] WARNING: CPU: 1 PID: 8761 at lib/refcount.c:28 refcount_warn_saturate+0x15b/0x1a0 [ 77.868573][ T8761] Kernel panic - not syncing: panic_on_warn set ... [ 77.875245][ T8761] CPU: 1 PID: 8761 Comm: syz-executor.2 Not tainted 5.6.0-rc5-syzkaller #0 [ 77.883894][ T8761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.893930][ T8761] Call Trace: [ 77.897213][ T8761] dump_stack+0x1e9/0x30e [ 77.901527][ T8761] panic+0x264/0x7a0 [ 77.905406][ T8761] ? __warn+0x102/0x210 [ 77.909542][ T8761] ? refcount_warn_saturate+0x15b/0x1a0 [ 77.915701][ T8761] __warn+0x209/0x210 [ 77.919681][ T8761] ? refcount_warn_saturate+0x15b/0x1a0 [ 77.925266][ T8761] report_bug+0x1ac/0x2d0 [ 77.929580][ T8761] do_error_trap+0xca/0x1c0 [ 77.934070][ T8761] do_invalid_op+0x32/0x40 [ 77.938466][ T8761] ? refcount_warn_saturate+0x15b/0x1a0 [ 77.943989][ T8761] invalid_op+0x23/0x30 [ 77.948125][ T8761] RIP: 0010:refcount_warn_saturate+0x15b/0x1a0 [ 77.954253][ T8761] Code: c7 94 00 d1 88 31 c0 e8 33 1f b3 fd 0f 0b eb 85 e8 2a 4a e0 fd c6 05 4e 70 b1 05 01 48 c7 c7 c0 00 d1 88 31 c0 e8 15 1f b3 fd <0f> 0b e9 64 ff ff ff e8 09 4a e0 fd c6 05 2e 70 b1 05 01 48 c7 c7 [ 77.973856][ T8761] RSP: 0018:ffffc90004fe78a8 EFLAGS: 00010246 [ 77.979918][ T8761] RAX: ce594aaef5a8c400 RBX: 0000000000000003 RCX: ffff88809eeb01c0 [ 77.988311][ T8761] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 77.996282][ T8761] RBP: 0000000000000003 R08: ffffffff815e16d6 R09: ffffed1015d26618 [ 78.004236][ T8761] R10: ffffed1015d26618 R11: 0000000000000000 R12: ffff88809201a580 [ 78.012200][ T8761] R13: ffff8880a24f1040 R14: dffffc0000000000 R15: ffff8880a6728000 [ 78.020239][ T8761] ? vprintk_emit+0x2e6/0x3b0 [ 78.024923][ T8761] ? refcount_warn_saturate+0x15b/0x1a0 [ 78.030462][ T8761] sctp_wfree+0x4c9/0x8b0 [ 78.034845][ T8761] skb_release_head_state+0xfb/0x210 [ 78.040237][ T8761] __kfree_skb+0x22/0x1c0 [ 78.044556][ T8761] sctp_chunk_put+0x17b/0x200 [ 78.049234][ T8761] __sctp_outq_teardown+0x80a/0x9d0 [ 78.054423][ T8761] sctp_association_free+0x21e/0x7c0 [ 78.059698][ T8761] ? sctp_do_sm+0x2e2a/0x5560 [ 78.064373][ T8761] sctp_do_sm+0x3c01/0x5560 [ 78.068863][ T8761] ? rcu_read_lock_sched_held+0x106/0x170 [ 78.074583][ T8761] ? _sctp_make_chunk+0x10c/0x3e0 [ 78.079590][ T8761] ? rcu_read_lock_sched_held+0x106/0x170 [ 78.085375][ T8761] ? trace_kmem_cache_alloc+0xcb/0x120 [ 78.090822][ T8761] ? _sctp_make_chunk+0x10c/0x3e0 [ 78.095858][ T8761] ? sctp_auth_send_cid+0x60/0x250 [ 78.100958][ T8761] sctp_primitive_ABORT+0x93/0xc0 [ 78.105967][ T8761] sctp_close+0x231/0x770 [ 78.110299][ T8761] ? ip_mc_drop_socket+0x267/0x280 [ 78.115817][ T8761] inet_release+0x135/0x180 [ 78.120488][ T8761] sock_close+0xd8/0x260 [ 78.124774][ T8761] ? sock_mmap+0x90/0x90 [ 78.129102][ T8761] __fput+0x2d8/0x730 [ 78.133347][ T8761] task_work_run+0x176/0x1b0 [ 78.138034][ T8761] prepare_exit_to_usermode+0x48e/0x600 [ 78.143911][ T8761] ? syscall_return_slowpath+0xf9/0x420 [ 78.149442][ T8761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.155413][ T8761] RIP: 0033:0x416041 [ 78.159297][ T8761] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 78.179428][ T8761] RSP: 002b:00007fffc9fa9a20 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 78.187897][ T8761] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000416041 [ 78.196196][ T8761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 78.204509][ T8761] RBP: 0000000000000001 R08: 00ffffffffffffff R09: 00ffffffffffffff [ 78.212466][ T8761] R10: 00007fffc9fa9b00 R11: 0000000000000293 R12: 000000000076bf20 [ 78.220432][ T8761] R13: 0000000000770850 R14: 0000000000013016 R15: 000000000076bf2c [ 78.230098][ T8761] Kernel Offset: disabled [ 78.234497][ T8761] Rebooting in 86400 seconds..