[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 36.851331][ T7179] IPVS: ftp: loaded support on port[0] = 21 [ 37.108493][ T78] tipc: TX() has been purged, node left! [ 37.551025][ T7161] can: request_module (can-proto-0) failed. [ 40.177216][ T7161] can: request_module (can-proto-0) failed. [ 40.188870][ T7161] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.15.220' (ECDSA) to the list of known hosts. 2020/04/03 02:35:06 parsed 1 programs 2020/04/03 02:35:07 executed programs: 0 [ 48.427945][ T7311] IPVS: ftp: loaded support on port[0] = 21 [ 48.440115][ T7310] IPVS: ftp: loaded support on port[0] = 21 [ 48.466942][ T7315] IPVS: ftp: loaded support on port[0] = 21 [ 48.497326][ T7314] IPVS: ftp: loaded support on port[0] = 21 [ 48.547097][ T7329] IPVS: ftp: loaded support on port[0] = 21 [ 48.565404][ T7326] IPVS: ftp: loaded support on port[0] = 21 [ 48.729211][ T7311] chnl_net:caif_netlink_parms(): no params data found [ 48.899873][ T7311] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.910126][ T7311] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.918555][ T7311] device bridge_slave_0 entered promiscuous mode [ 48.927079][ T7315] chnl_net:caif_netlink_parms(): no params data found [ 48.980314][ T7311] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.987556][ T7311] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.998120][ T7311] device bridge_slave_1 entered promiscuous mode [ 49.043596][ T7314] chnl_net:caif_netlink_parms(): no params data found [ 49.104256][ T7311] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.139562][ T7311] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.149873][ T7310] chnl_net:caif_netlink_parms(): no params data found [ 49.208321][ T7311] team0: Port device team_slave_0 added [ 49.249261][ T7329] chnl_net:caif_netlink_parms(): no params data found [ 49.259588][ T7311] team0: Port device team_slave_1 added [ 49.298234][ T7326] chnl_net:caif_netlink_parms(): no params data found [ 49.327552][ T7315] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.335288][ T7315] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.344971][ T7315] device bridge_slave_0 entered promiscuous mode [ 49.381156][ T7314] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.388751][ T7314] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.397533][ T7314] device bridge_slave_0 entered promiscuous mode [ 49.408768][ T7314] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.416102][ T7314] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.426423][ T7314] device bridge_slave_1 entered promiscuous mode [ 49.435481][ T7311] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.443480][ T7311] 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. [ 49.470865][ T7311] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.482733][ T7315] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.490219][ T7315] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.499589][ T7315] device bridge_slave_1 entered promiscuous mode [ 49.530339][ T7311] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.537764][ T7311] 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. [ 49.567937][ T7311] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.623651][ T7315] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.640324][ T7310] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.648171][ T7310] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.657645][ T7310] device bridge_slave_0 entered promiscuous mode [ 49.667452][ T7314] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.682393][ T7315] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.718006][ T7310] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.726020][ T7310] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.734931][ T7310] device bridge_slave_1 entered promiscuous mode [ 49.743997][ T7314] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.806158][ T7311] device hsr_slave_0 entered promiscuous mode [ 49.852221][ T7311] device hsr_slave_1 entered promiscuous mode [ 49.922650][ T7315] team0: Port device team_slave_0 added [ 49.928786][ T7329] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.937724][ T7329] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.945927][ T7329] device bridge_slave_0 entered promiscuous mode [ 49.965637][ T7329] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.972998][ T7329] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.980813][ T7329] device bridge_slave_1 entered promiscuous mode [ 49.995531][ T7310] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.005798][ T7315] team0: Port device team_slave_1 added [ 50.011635][ T7326] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.019583][ T7326] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.027894][ T7326] device bridge_slave_0 entered promiscuous mode [ 50.038333][ T7326] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.047132][ T7326] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.055837][ T7326] device bridge_slave_1 entered promiscuous mode [ 50.069227][ T7314] team0: Port device team_slave_0 added [ 50.077254][ T7310] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.120682][ T7314] team0: Port device team_slave_1 added [ 50.132042][ T7315] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.139014][ T7315] 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. [ 50.168982][ T7315] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.196592][ T7329] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.229439][ T7326] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.239435][ T7315] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.246536][ T7315] 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. [ 50.273941][ T7315] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.285458][ T7314] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.293077][ T7314] 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. [ 50.320973][ T7314] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.338282][ T7310] team0: Port device team_slave_0 added [ 50.345328][ T7329] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.356640][ T7326] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.371804][ T7314] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.378889][ T7314] 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. [ 50.404988][ T7314] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.420108][ T7310] team0: Port device team_slave_1 added [ 50.464653][ T7326] team0: Port device team_slave_0 added [ 50.481370][ T7310] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.491256][ T7310] 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. [ 50.517649][ T7310] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.594623][ T7314] device hsr_slave_0 entered promiscuous mode [ 50.642035][ T7314] device hsr_slave_1 entered promiscuous mode [ 50.681821][ T7314] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.689572][ T7314] Cannot create hsr debugfs directory [ 50.700550][ T7326] team0: Port device team_slave_1 added [ 50.708139][ T7329] team0: Port device team_slave_0 added [ 50.714639][ T7310] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.722297][ T7310] 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. [ 50.749211][ T7310] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.793717][ T7315] device hsr_slave_0 entered promiscuous mode [ 50.831861][ T7315] device hsr_slave_1 entered promiscuous mode [ 50.881707][ T7315] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.889264][ T7315] Cannot create hsr debugfs directory [ 50.905314][ T7329] team0: Port device team_slave_1 added [ 50.937175][ T7326] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.949458][ T7326] 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. [ 50.975783][ T7326] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.996105][ T7329] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.003671][ T7329] 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. [ 51.030408][ T7329] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.042541][ T7329] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.049485][ T7329] 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. [ 51.076606][ T7329] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.113477][ T7326] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.120436][ T7326] 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. [ 51.149660][ T7326] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.284335][ T7310] device hsr_slave_0 entered promiscuous mode [ 51.321993][ T7310] device hsr_slave_1 entered promiscuous mode [ 51.371555][ T7310] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.379122][ T7310] Cannot create hsr debugfs directory [ 51.434605][ T7326] device hsr_slave_0 entered promiscuous mode [ 51.471807][ T7326] device hsr_slave_1 entered promiscuous mode [ 51.521534][ T7326] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.529117][ T7326] Cannot create hsr debugfs directory [ 51.583279][ T7329] device hsr_slave_0 entered promiscuous mode [ 51.621741][ T7329] device hsr_slave_1 entered promiscuous mode [ 51.661427][ T7329] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.669014][ T7329] Cannot create hsr debugfs directory [ 51.752791][ T7311] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 51.785988][ T7311] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 51.865903][ T7311] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 51.937135][ T7311] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 52.198336][ T7314] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 52.255384][ T7314] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 52.311777][ T7314] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 52.363640][ T7310] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 52.420803][ T7314] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 52.464215][ T7310] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 52.515543][ T7310] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 52.565383][ T7310] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 52.673189][ T7315] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 52.714515][ T7315] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 52.787152][ T7315] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 52.863208][ T7315] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 52.915569][ T7326] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 52.997118][ T7326] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 53.059574][ T7311] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.083850][ T7326] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 53.150763][ T7329] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.204555][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.213098][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.221454][ T7326] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 53.274780][ T7311] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.288757][ T7329] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.333346][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.343167][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.353069][ T3203] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.360211][ T3203] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.381411][ T7314] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.388183][ T7329] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.464312][ T7329] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.530883][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.538734][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.547749][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.556582][ T3203] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.563733][ T3203] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.586164][ T7310] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.601212][ T7314] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.609634][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.619573][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.628434][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.636517][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.645695][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.654594][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.677700][ T7311] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 53.689291][ T7311] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.715537][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.725716][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.734523][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.743924][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.752783][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.761835][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.770167][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.778725][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.787872][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.796988][ T2757] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.804107][ T2757] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.811924][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.819677][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.827577][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.835336][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.855786][ T7310] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.869156][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.880169][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.889586][ T2760] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.896709][ T2760] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.905175][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.914158][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.922875][ T2760] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.930002][ T2760] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.941260][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.949127][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.974852][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.983466][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.019386][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.028910][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.037792][ T2754] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.044945][ T2754] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.057075][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.065935][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.074925][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.118514][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.127371][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.136053][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.144788][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.153406][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.162145][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.179063][ T7310] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.190175][ T7310] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.208014][ T7326] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.220127][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.228796][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.236961][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.248106][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.256703][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.265675][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.274775][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.284069][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.293061][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.302074][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.315151][ T7314] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.327582][ T7314] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.343376][ T7315] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.353889][ T7311] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.361290][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.368973][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.378514][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.397598][ T7326] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.426879][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.435145][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.444082][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.452032][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.468111][ T7310] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.497968][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.505859][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.516645][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.527484][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.538589][ T3203] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.545794][ T3203] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.556321][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.565127][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.576738][ T3203] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.583936][ T3203] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.594189][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.603044][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.611904][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.620437][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.629328][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.637066][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.656042][ T7315] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.668317][ T7314] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.685802][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.694140][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.703237][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.712025][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.720933][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.732415][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.740981][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.749320][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.779206][ T7329] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.801625][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.810336][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.821847][ T2961] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.828928][ T2961] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.837286][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.846026][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.854662][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.863231][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.871818][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.880326][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.889436][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.898273][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.907223][ T2961] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.914362][ T2961] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.925404][ T7326] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.938138][ T7311] device veth0_vlan entered promiscuous mode [ 54.951364][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.959294][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.973696][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.986620][ T7329] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.016111][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.028401][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.037064][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.045974][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 55.054731][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.065400][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.073667][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.086359][ T7311] device veth1_vlan entered promiscuous mode [ 55.116266][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.125134][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.133930][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.142977][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.152309][ T2754] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.159369][ T2754] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.167598][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.175811][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.184407][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.193377][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.202597][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.215978][ T7326] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.225684][ T7310] device veth0_vlan entered promiscuous mode [ 55.252125][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.259970][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.268075][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.278563][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.287881][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.296882][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.305516][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.314018][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.323139][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.331896][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.340331][ T2757] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.347448][ T2757] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.366555][ T7310] device veth1_vlan entered promiscuous mode [ 55.382337][ T7315] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.393813][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 55.403288][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.412694][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.431991][ T7311] device veth0_macvtap entered promiscuous mode [ 55.441707][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 55.450110][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.458977][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.468407][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.488552][ T7311] device veth1_macvtap entered promiscuous mode [ 55.516915][ T7314] device veth0_vlan entered promiscuous mode [ 55.537303][ T7310] device veth0_macvtap entered promiscuous mode [ 55.546760][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 55.556153][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.564906][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.573114][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 55.581995][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.590126][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.599057][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.607659][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 55.616832][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.625959][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.634035][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.642374][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.650091][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.665520][ T7315] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.697584][ T7311] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.710292][ T7310] device veth1_macvtap entered promiscuous mode [ 55.727635][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 55.736253][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.745413][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.754628][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.764589][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.773404][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.782360][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.791441][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.799908][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.809201][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 55.818271][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.830066][ T7329] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.842684][ T7311] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.850845][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.864785][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.899560][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.909833][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.924416][ T7314] device veth1_vlan entered promiscuous mode [ 55.937054][ T7310] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 55.948473][ T7310] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.959773][ T7310] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.977345][ T7329] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.990249][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.001732][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.013666][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.025915][ T7310] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 56.037623][ T7310] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.050110][ T7310] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.092130][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.106220][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.115802][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.125673][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.134337][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.143528][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.151980][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.230605][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.238551][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.249491][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.258457][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.269812][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.278401][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.289595][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.297576][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.307059][ T7326] device veth0_vlan entered promiscuous mode [ 56.317248][ T7314] device veth0_macvtap entered promiscuous mode [ 56.331927][ T7329] device veth0_vlan entered promiscuous mode [ 56.475473][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.487542][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.503951][ T7329] device veth1_vlan entered promiscuous mode [ 56.523327][ T8575] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 56.554017][ T7314] device veth1_macvtap entered promiscuous mode [ 56.620545][ C0] [ 56.622944][ C0] ======================================================== [ 56.630129][ C0] WARNING: possible irq lock inversion dependency detected [ 56.637308][ C0] 5.6.0-rc2-syzkaller #0 Not tainted [ 56.642768][ C0] -------------------------------------------------------- [ 56.649934][ C0] ksoftirqd/0/9 just changed the state of lock: [ 56.656166][ C0] ffffffff88a090d8 (tasklist_lock){.+.?}, at: send_sigurg+0x8a/0x260 [ 56.664232][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 56.671755][ C0] (&pid->wait_pidfd){+.+.} [ 56.671759][ C0] [ 56.671759][ C0] [ 56.671759][ C0] and interrupts could create inverse lock ordering between them. [ 56.671759][ C0] [ 56.690530][ C0] [ 56.690530][ C0] other info that might help us debug this: [ 56.698860][ C0] Possible interrupt unsafe locking scenario: [ 56.698860][ C0] [ 56.707272][ C0] CPU0 CPU1 [ 56.712615][ C0] ---- ---- [ 56.717964][ C0] lock(&pid->wait_pidfd); [ 56.722436][ C0] local_irq_disable(); [ 56.729164][ C0] lock(tasklist_lock); [ 56.735895][ C0] lock(&pid->wait_pidfd); [ 56.742885][ C0] [ 56.746325][ C0] lock(tasklist_lock); [ 56.750713][ C0] [ 56.750713][ C0] *** DEADLOCK *** [ 56.750713][ C0] [ 56.758888][ C0] 4 locks held by ksoftirqd/0/9: [ 56.763950][ C0] #0: ffffffff88ba5600 (rcu_read_lock){....}, at: process_backlog+0x1ab/0x710 [ 56.772868][ C0] #1: ffffffff88ba5600 (rcu_read_lock){....}, at: ip_local_deliver_finish+0x11b/0x2f0 [ 56.782679][ C0] #2: ffff888099820d60 (slock-AF_INET/1){+.-.}, at: tcp_v4_rcv+0x25e3/0x34c0 [ 56.791644][ C0] #3: ffff8880a05f2e60 (&f->f_owner.lock){.+.?}, at: send_sigurg+0x19/0x260 [ 56.800399][ C0] [ 56.800399][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 56.809759][ C0] -> (&pid->wait_pidfd){+.+.} { [ 56.814678][ C0] HARDIRQ-ON-W at: [ 56.818727][ C0] lock_acquire+0x19b/0x420 [ 56.825031][ C0] _raw_spin_lock+0x2a/0x40 [ 56.831345][ C0] proc_pid_make_inode+0x1c0/0x390 [ 56.838261][ C0] proc_pid_instantiate+0x40/0x140 [ 56.845177][ C0] proc_pid_lookup+0x134/0x240 [ 56.851749][ C0] proc_root_lookup+0x16/0x40 [ 56.858238][ C0] __lookup_slow+0x204/0x3d0 [ 56.864626][ C0] walk_component+0x684/0xef0 [ 56.871194][ C0] link_path_walk.part.40+0x3c4/0xdc0 [ 56.878362][ C0] path_openat+0x194/0x2aa0 [ 56.884666][ C0] do_filp_open+0x171/0x240 [ 56.890981][ C0] do_sys_openat2+0x2b9/0x480 [ 56.897626][ C0] do_sys_open+0x85/0xd0 [ 56.903676][ C0] do_syscall_64+0xc6/0x5e0 [ 56.909984][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.917674][ C0] SOFTIRQ-ON-W at: [ 56.921742][ C0] lock_acquire+0x19b/0x420 [ 56.928073][ C0] _raw_spin_lock+0x2a/0x40 [ 56.934432][ C0] proc_pid_make_inode+0x1c0/0x390 [ 56.941339][ C0] proc_pid_instantiate+0x40/0x140 [ 56.948247][ C0] proc_pid_lookup+0x134/0x240 [ 56.954822][ C0] proc_root_lookup+0x16/0x40 [ 56.961412][ C0] __lookup_slow+0x204/0x3d0 [ 56.967806][ C0] walk_component+0x684/0xef0 [ 56.974277][ C0] link_path_walk.part.40+0x3c4/0xdc0 [ 56.981455][ C0] path_openat+0x194/0x2aa0 [ 56.987778][ C0] do_filp_open+0x171/0x240 [ 56.994095][ C0] do_sys_openat2+0x2b9/0x480 [ 57.000573][ C0] do_sys_open+0x85/0xd0 [ 57.006882][ C0] do_syscall_64+0xc6/0x5e0 [ 57.013219][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.020926][ C0] INITIAL USE at: [ 57.024891][ C0] lock_acquire+0x19b/0x420 [ 57.031120][ C0] _raw_spin_lock_irqsave+0x95/0xc0 [ 57.038039][ C0] __wake_up_common_lock+0xa8/0x120 [ 57.044946][ C0] do_notify_parent+0x14c/0xbb0 [ 57.051505][ C0] do_exit+0x206f/0x2a10 [ 57.057457][ C0] call_usermodehelper_exec_async+0x47f/0x680 [ 57.065246][ C0] ret_from_fork+0x24/0x30 [ 57.071376][ C0] } [ 57.073940][ C0] ... key at: [] __key.53243+0x0/0x40 [ 57.081451][ C0] ... acquired at: [ 57.085349][ C0] _raw_spin_lock_irqsave+0x95/0xc0 [ 57.090695][ C0] __wake_up_common_lock+0xa8/0x120 [ 57.096035][ C0] do_notify_parent+0x14c/0xbb0 [ 57.101069][ C0] do_exit+0x206f/0x2a10 [ 57.105467][ C0] call_usermodehelper_exec_async+0x47f/0x680 [ 57.111838][ C0] ret_from_fork+0x24/0x30 [ 57.116416][ C0] [ 57.118718][ C0] -> (tasklist_lock){.+.?} { [ 57.123287][ C0] HARDIRQ-ON-R at: [ 57.127339][ C0] lock_acquire+0x19b/0x420 [ 57.133554][ C0] _raw_read_lock+0x2d/0x40 [ 57.139680][ C0] do_wait+0x364/0x840 [ 57.145371][ C0] kernel_wait4+0xdf/0x1b0 [ 57.151513][ C0] call_usermodehelper_exec_work+0x134/0x210 [ 57.159162][ C0] process_one_work+0x903/0x15c0 [ 57.165862][ C0] worker_thread+0x82/0xb50 [ 57.172111][ C0] kthread+0x31d/0x3e0 [ 57.177817][ C0] ret_from_fork+0x24/0x30 [ 57.183959][ C0] IN-SOFTIRQ-R at: [ 57.187916][ C0] lock_acquire+0x19b/0x420 [ 57.194059][ C0] _raw_read_lock+0x2d/0x40 [ 57.200197][ C0] send_sigurg+0x8a/0x260 [ 57.206172][ C0] sk_send_sigurg+0x6c/0x220 [ 57.212384][ C0] tcp_urg+0x2ca/0xd80 [ 57.218085][ C0] tcp_rcv_established+0x9df/0x1f40 [ 57.224910][ C0] tcp_v4_do_rcv+0x517/0x790 [ 57.231129][ C0] tcp_v4_rcv+0x2825/0x34c0 [ 57.237416][ C0] ip_protocol_deliver_rcu+0x53/0x690 [ 57.244425][ C0] ip_local_deliver_finish+0x200/0x2f0 [ 57.251638][ C0] ip_local_deliver+0x2e5/0x3e0 [ 57.258108][ C0] ip_rcv+0xc9/0x2e0 [ 57.263636][ C0] __netif_receive_skb_one_core+0xe3/0x150 [ 57.271071][ C0] process_backlog+0x1f2/0x710 [ 57.277530][ C0] net_rx_action+0x415/0xd70 [ 57.283762][ C0] __do_softirq+0x26e/0x9b2 [ 57.289889][ C0] run_ksoftirqd+0x8f/0x100 [ 57.296030][ C0] smpboot_thread_fn+0x511/0x850 [ 57.302589][ C0] kthread+0x31d/0x3e0 [ 57.308365][ C0] ret_from_fork+0x24/0x30 [ 57.314402][ C0] SOFTIRQ-ON-R at: [ 57.318414][ C0] lock_acquire+0x19b/0x420 [ 57.324686][ C0] _raw_read_lock+0x2d/0x40 [ 57.330818][ C0] do_wait+0x364/0x840 [ 57.336551][ C0] kernel_wait4+0xdf/0x1b0 [ 57.342587][ C0] call_usermodehelper_exec_work+0x134/0x210 [ 57.350199][ C0] process_one_work+0x903/0x15c0 [ 57.356764][ C0] worker_thread+0x82/0xb50 [ 57.362940][ C0] kthread+0x31d/0x3e0 [ 57.368628][ C0] ret_from_fork+0x24/0x30 [ 57.374832][ C0] INITIAL USE at: [ 57.378729][ C0] lock_acquire+0x19b/0x420 [ 57.384777][ C0] _raw_write_lock_irq+0x5e/0x80 [ 57.391256][ C0] copy_process+0x35da/0x6a50 [ 57.397493][ C0] _do_fork+0xf8/0xc00 [ 57.403107][ C0] kernel_thread+0x98/0xd0 [ 57.409069][ C0] rest_init+0x21/0x26e [ 57.414755][ C0] start_kernel+0x6c1/0x6ff [ 57.420788][ C0] secondary_startup_64+0xa4/0xb0 [ 57.427458][ C0] } [ 57.429941][ C0] ... key at: [] tasklist_lock+0x18/0x40 [ 57.437768][ C0] ... acquired at: [ 57.441562][ C0] mark_lock+0x501/0x11a0 [ 57.446172][ C0] __lock_acquire+0x145e/0x4370 [ 57.451169][ C0] lock_acquire+0x19b/0x420 [ 57.455954][ C0] _raw_read_lock+0x2d/0x40 [ 57.460611][ C0] send_sigurg+0x8a/0x260 [ 57.465087][ C0] sk_send_sigurg+0x6c/0x220 [ 57.469819][ C0] tcp_urg+0x2ca/0xd80 [ 57.474030][ C0] tcp_rcv_established+0x9df/0x1f40 [ 57.479380][ C0] tcp_v4_do_rcv+0x517/0x790 [ 57.484141][ C0] tcp_v4_rcv+0x2825/0x34c0 [ 57.488818][ C0] ip_protocol_deliver_rcu+0x53/0x690 [ 57.494335][ C0] ip_local_deliver_finish+0x200/0x2f0 [ 57.499936][ C0] ip_local_deliver+0x2e5/0x3e0 [ 57.504929][ C0] ip_rcv+0xc9/0x2e0 [ 57.508967][ C0] __netif_receive_skb_one_core+0xe3/0x150 [ 57.514927][ C0] process_backlog+0x1f2/0x710 [ 57.519846][ C0] net_rx_action+0x415/0xd70 [ 57.524588][ C0] __do_softirq+0x26e/0x9b2 [ 57.529250][ C0] run_ksoftirqd+0x8f/0x100 [ 57.533903][ C0] smpboot_thread_fn+0x511/0x850 [ 57.538984][ C0] kthread+0x31d/0x3e0 [ 57.543224][ C0] ret_from_fork+0x24/0x30 [ 57.547781][ C0] [ 57.550098][ C0] [ 57.550098][ C0] stack backtrace: [ 57.556076][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.6.0-rc2-syzkaller #0 [ 57.564120][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.574267][ C0] Call Trace: [ 57.577563][ C0] dump_stack+0x128/0x182 [ 57.581878][ C0] check_usage_forwards.cold.61+0x20/0x29 [ 57.587604][ C0] ? check_usage_backwards+0x320/0x320 [ 57.593222][ C0] ? ret_from_fork+0x24/0x30 [ 57.597954][ C0] ? stack_trace_save+0x85/0xb0 [ 57.602786][ C0] ? stack_trace_consume_entry+0x160/0x160 [ 57.608566][ C0] ? graph_lock+0x7d/0x1f0 [ 57.612964][ C0] ? save_trace+0x3e/0x970 [ 57.617368][ C0] ? print_shortest_lock_dependencies+0x80/0x80 [ 57.623617][ C0] mark_lock+0x501/0x11a0 [ 57.627934][ C0] ? check_usage_backwards+0x320/0x320 [ 57.633385][ C0] __lock_acquire+0x145e/0x4370 [ 57.638221][ C0] ? mark_held_locks+0x110/0x110 [ 57.643165][ C0] ? __lock_acquire+0xeda/0x4370 [ 57.648086][ C0] lock_acquire+0x19b/0x420 [ 57.652676][ C0] ? send_sigurg+0x8a/0x260 [ 57.657183][ C0] _raw_read_lock+0x2d/0x40 [ 57.661663][ C0] ? send_sigurg+0x8a/0x260 [ 57.666151][ C0] send_sigurg+0x8a/0x260 [ 57.670472][ C0] sk_send_sigurg+0x6c/0x220 [ 57.675138][ C0] tcp_urg+0x2ca/0xd80 [ 57.679312][ C0] ? __tcp_ack_snd_check+0x770/0x770 [ 57.684596][ C0] ? ktime_get+0x135/0x230 [ 57.689058][ C0] tcp_rcv_established+0x9df/0x1f40 [ 57.694244][ C0] ? sk_filter_trim_cap+0x308/0x920 [ 57.699426][ C0] ? tcp_data_queue+0x3c70/0x3c70 [ 57.704543][ C0] ? do_raw_spin_lock+0x12a/0x2e0 [ 57.709541][ C0] tcp_v4_do_rcv+0x517/0x790 [ 57.714116][ C0] tcp_v4_rcv+0x2825/0x34c0 [ 57.718760][ C0] ? tcp_v4_early_demux+0x7b0/0x7b0 [ 57.724805][ C0] ? rcu_read_lock_held+0x9c/0xb0 [ 57.729904][ C0] ? rcu_read_lock_held_common+0x120/0x120 [ 57.735696][ C0] ip_protocol_deliver_rcu+0x53/0x690 [ 57.741054][ C0] ip_local_deliver_finish+0x200/0x2f0 [ 57.746625][ C0] ip_local_deliver+0x2e5/0x3e0 [ 57.752416][ C0] ? ip_local_deliver_finish+0x2f0/0x2f0 [ 57.758038][ C0] ? ip_protocol_deliver_rcu+0x690/0x690 [ 57.763660][ C0] ip_rcv+0xc9/0x2e0 [ 57.767527][ C0] ? ip_local_deliver+0x3e0/0x3e0 [ 57.772520][ C0] ? ip_rcv_finish_core.isra.18+0x1bc0/0x1bc0 [ 57.778614][ C0] ? mark_held_locks+0x110/0x110 [ 57.783582][ C0] ? ip_local_deliver+0x3e0/0x3e0 [ 57.788592][ C0] __netif_receive_skb_one_core+0xe3/0x150 [ 57.794369][ C0] ? __netif_receive_skb_core+0x2af0/0x2af0 [ 57.800231][ C0] process_backlog+0x1f2/0x710 [ 57.804984][ C0] net_rx_action+0x415/0xd70 [ 57.809544][ C0] ? napi_busy_loop+0x750/0x750 [ 57.814381][ C0] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 57.820419][ C0] ? __do_softirq+0x201/0x9b2 2020/04/03 02:35:16 executed programs: 6 [ 57.825099][ C0] __do_softirq+0x26e/0x9b2 [ 57.829581][ C0] ? takeover_tasklets+0x810/0x810 [ 57.834675][ C0] run_ksoftirqd+0x8f/0x100 [ 57.839216][ C0] smpboot_thread_fn+0x511/0x850 [ 57.844130][ C0] ? __smpboot_create_thread.part.1+0x2d0/0x2d0 [ 57.850353][ C0] ? __kthread_parkme+0xbe/0x190 [ 57.855280][ C0] ? __smpboot_create_thread.part.1+0x2d0/0x2d0 [ 57.861487][ C0] kthread+0x31d/0x3e0 [ 57.865527][ C0] ? kthread_mod_delayed_work+0x180/0x180 [ 57.871216][ C0] ret_from_fork+0x24/0x30 [ 57.907427][ T7314] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 57.922750][ T7314] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.934250][ T7314] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 57.958361][ T7314] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.974814][ T7314] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.031592][ T7326] device veth1_vlan entered promiscuous mode [ 58.056188][ T7315] device veth0_vlan entered promiscuous mode [ 58.070033][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.078807][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.081464][ T8587] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 58.090859][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.116803][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.125706][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.134624][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.143423][ T7314] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 58.154931][ T7314] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.164822][ T7314] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 58.175277][ T7314] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.185999][ T7314] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.201654][ T7329] device veth0_macvtap entered promiscuous mode [ 58.209419][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.217328][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.225290][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.233618][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.242348][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.302048][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.311478][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.320770][ T7315] device veth1_vlan entered promiscuous mode [ 58.330860][ T7326] device veth0_macvtap entered promiscuous mode [ 58.382610][ T7329] device veth1_macvtap entered promiscuous mode [ 58.393999][ T7326] device veth1_macvtap entered promiscuous mode [ 58.462959][ T8591] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 58.475612][ T7329] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 58.498108][ T7329] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.508139][ T7329] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 58.519116][ T7329] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.529372][ T7329] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 58.541216][ T7329] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.552294][ T7329] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.565967][ T7326] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 58.576682][ T7326] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.586683][ T7326] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 58.597306][ T7326] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.607167][ T7326] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 58.617704][ T7326] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.627753][ T7326] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 58.638518][ T7326] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.652183][ T7326] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.660501][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.668424][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.676467][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.685460][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.694507][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.705253][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.718956][ T7329] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 58.730899][ T7329] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.747977][ T7329] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 58.759222][ T7329] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.770028][ T7329] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 58.780847][ T7329] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.791751][ T7329] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.804537][ T7326] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 58.815585][ T7326] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.826405][ T7326] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 58.837406][ T7326] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.848230][ T7326] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 58.859000][ T7326] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.869085][ T7326] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 58.879849][ T7326] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.891638][ T7326] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.900738][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.909277][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.924058][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.934269][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.948083][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.956932][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.072917][ T7315] device veth0_macvtap entered promiscuous mode [ 59.123499][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.200153][ T8608] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 59.232435][ T7315] device veth1_macvtap entered promiscuous mode [ 59.296194][ T7315] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 59.319306][ T8618] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 59.327098][ T7315] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.350330][ T7315] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 59.362228][ T7315] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.372764][ T7315] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 59.383818][ T7315] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.394233][ T7315] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 59.406497][ T7315] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.416463][ T7315] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 59.427026][ T7315] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.437938][ T7315] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.451235][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.460127][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.471350][ T7315] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 59.482730][ T7315] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.492993][ T7315] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 59.504006][ T7315] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.514261][ T7315] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 59.524815][ T7315] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.534771][ T7315] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 59.545204][ T7315] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.573014][ T7315] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 59.585076][ T7315] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.595896][ T7315] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.608292][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.616695][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.801777][ T8636] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. 2020/04/03 02:35:22 executed programs: 33