[ 83.850786][ T31] audit: type=1800 audit(1575232416.891:27): pid=11820 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 85.250448][ T31] kauditd_printk_skb: 1 callbacks suppressed [ 85.250489][ T31] audit: type=1800 audit(1575232418.301:29): pid=11820 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 85.276934][ T31] audit: type=1800 audit(1575232418.321:30): pid=11820 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.126' (ECDSA) to the list of known hosts. syzkaller login: [ 96.203234][T11973] IPVS: ftp: loaded support on port[0] = 21 [ 96.210794][T11979] IPVS: ftp: loaded support on port[0] = 21 [ 96.227414][T11976] IPVS: ftp: loaded support on port[0] = 21 [ 96.230269][T11980] IPVS: ftp: loaded support on port[0] = 21 [ 96.249685][T11981] IPVS: ftp: loaded support on port[0] = 21 [ 96.252928][T11982] IPVS: ftp: loaded support on port[0] = 21 [ 96.704269][T11973] chnl_net:caif_netlink_parms(): no params data found [ 96.729068][T11980] chnl_net:caif_netlink_parms(): no params data found [ 96.844657][T11982] chnl_net:caif_netlink_parms(): no params data found [ 96.882260][T11979] chnl_net:caif_netlink_parms(): no params data found [ 96.909292][T11976] chnl_net:caif_netlink_parms(): no params data found [ 96.936949][T11981] chnl_net:caif_netlink_parms(): no params data found [ 97.028510][T11973] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.036104][T11973] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.045425][T11973] device bridge_slave_0 entered promiscuous mode [ 97.069178][T11982] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.076531][T11982] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.086119][T11982] device bridge_slave_0 entered promiscuous mode [ 97.118455][T11973] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.125811][T11973] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.134978][T11973] device bridge_slave_1 entered promiscuous mode [ 97.152541][T11982] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.159819][T11982] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.168142][T11982] device bridge_slave_1 entered promiscuous mode [ 97.227126][T11980] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.235019][T11980] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.244300][T11980] device bridge_slave_0 entered promiscuous mode [ 97.270628][T11981] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.277883][T11981] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.286606][T11981] device bridge_slave_0 entered promiscuous mode [ 97.298797][T11982] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.308136][T11981] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.315842][T11981] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.324831][T11981] device bridge_slave_1 entered promiscuous mode [ 97.332385][T11979] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.339676][T11979] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.348289][T11979] device bridge_slave_0 entered promiscuous mode [ 97.394323][T11981] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.405382][T11980] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.412616][T11980] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.421251][T11980] device bridge_slave_1 entered promiscuous mode [ 97.428848][T11979] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.436119][T11979] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.445196][T11979] device bridge_slave_1 entered promiscuous mode [ 97.455390][T11982] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.475992][T11981] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.498502][T11973] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.516743][T11976] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.524269][T11976] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.533184][T11976] device bridge_slave_0 entered promiscuous mode [ 97.545111][T11973] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.591282][T11982] team0: Port device team_slave_0 added [ 97.618983][T11982] team0: Port device team_slave_1 added [ 97.625364][T11976] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.632524][T11976] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.641621][T11976] device bridge_slave_1 entered promiscuous mode [ 97.670579][T11980] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.691189][T11973] team0: Port device team_slave_0 added [ 97.701089][T11976] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.715226][T11976] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.727036][T11981] team0: Port device team_slave_0 added [ 97.736131][T11979] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.747943][T11973] team0: Port device team_slave_1 added [ 97.765198][T11979] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.786807][T11980] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.807269][T11981] team0: Port device team_slave_1 added [ 97.815802][T11976] team0: Port device team_slave_0 added [ 97.827700][T11976] team0: Port device team_slave_1 added [ 97.917324][T11980] team0: Port device team_slave_0 added [ 97.934411][T11980] team0: Port device team_slave_1 added [ 97.997349][T11973] device hsr_slave_0 entered promiscuous mode [ 98.044295][T11973] device hsr_slave_1 entered promiscuous mode [ 98.147019][T11981] device hsr_slave_0 entered promiscuous mode [ 98.184265][T11981] device hsr_slave_1 entered promiscuous mode [ 98.233625][T11981] debugfs: Directory 'hsr0' with parent '/' already present! [ 98.276341][T11982] device hsr_slave_0 entered promiscuous mode [ 98.334067][T11982] device hsr_slave_1 entered promiscuous mode [ 98.373668][T11982] debugfs: Directory 'hsr0' with parent '/' already present! [ 98.414173][T11979] team0: Port device team_slave_0 added [ 98.470165][T11976] device hsr_slave_0 entered promiscuous mode [ 98.494938][T11976] device hsr_slave_1 entered promiscuous mode [ 98.533569][T11976] debugfs: Directory 'hsr0' with parent '/' already present! [ 98.596598][T11979] team0: Port device team_slave_1 added [ 98.798957][T11980] device hsr_slave_0 entered promiscuous mode [ 98.864129][T11980] device hsr_slave_1 entered promiscuous mode [ 98.943602][T11980] debugfs: Directory 'hsr0' with parent '/' already present! [ 99.529687][T11979] device hsr_slave_0 entered promiscuous mode [ 99.617596][T11979] device hsr_slave_1 entered promiscuous mode [ 99.742327][T11979] debugfs: Directory 'hsr0' with parent '/' already present! [ 100.427961][T11973] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.800645][T11982] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.904606][T11981] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.967223][T11976] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.994632][T11973] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.002191][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 101.012805][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 101.064275][T11980] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.191933][T11981] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.277388][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 101.287104][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 101.295774][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 101.304381][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 101.458411][T11976] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.487801][T11982] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.637159][T11980] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.733925][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 101.744056][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 101.753233][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.760676][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.769188][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 101.777829][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 101.787441][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 101.796729][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 101.805516][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 101.814888][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 101.823773][ T30] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.830927][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.839302][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 101.850232][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 101.859550][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 101.868852][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.876090][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.884778][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 101.894330][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 101.903335][ T30] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.910580][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.919520][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 101.930636][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 101.940782][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 101.950890][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 101.960615][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 101.971073][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 101.980126][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.987373][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.995845][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 102.005361][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 102.014663][ T30] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.021831][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state [ 102.030447][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 102.043256][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 102.053401][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 102.062821][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 102.071982][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.079220][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 102.087716][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 102.097656][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 102.115207][T11979] 8021q: adding VLAN 0 to HW filter on device bond0 [ 102.269074][T11973] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 102.279579][T11973] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 102.388037][T11979] 8021q: adding VLAN 0 to HW filter on device team0 [ 102.448169][T11981] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 102.458676][T11981] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 102.580778][T11976] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 102.592021][T11976] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 102.609145][T11982] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 102.620187][T11982] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 102.865244][T11980] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 102.875827][T11980] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 102.945331][T11973] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.202942][T11981] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.220016][T11979] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 103.230884][T11979] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 103.329642][T11976] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.418918][T11982] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.663623][T11980] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 104.060900][T11979] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program executing program executing program executing program [ 104.433306][T12165] batman_adv: batadv0: Adding interface: gretap0 [ 104.440345][T12165] batman_adv: batadv0: The MTU of interface gretap0 is too small (1462) 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. [ 104.466143][T12165] batman_adv: batadv0: Interface activated: gretap0 executing program executing program executing program executing program executing program [ 104.770869][T12179] batman_adv: batadv0: Adding interface: gretap0 [ 104.778119][T12179] batman_adv: batadv0: The MTU of interface gretap0 is too small (1462) 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. [ 104.805184][T12179] batman_adv: batadv0: Interface activated: gretap0 executing program executing program [ 104.897132][T12197] batman_adv: batadv0: Adding interface: gretap0 [ 104.904087][T12197] batman_adv: batadv0: The MTU of interface gretap0 is too small (1462) 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. [ 104.929578][T12197] batman_adv: batadv0: Interface activated: gretap0 executing program executing program executing program executing program [ 105.137135][T12205] batman_adv: batadv0: Adding interface: erspan0 [ 105.143691][T12205] batman_adv: batadv0: The MTU of interface erspan0 is too small (1450) 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. [ 105.169600][T12205] batman_adv: batadv0: Interface activated: erspan0 [ 105.177821][T12204] batman_adv: batadv0: Adding interface: gretap0 executing program executing program [ 105.184385][T12204] batman_adv: batadv0: The MTU of interface gretap0 is too small (1462) 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. [ 105.210269][T12204] batman_adv: batadv0: Interface activated: gretap0 executing program executing program [ 105.275691][T12207] batman_adv: batadv0: Adding interface: gretap0 [ 105.282226][T12207] batman_adv: batadv0: The MTU of interface gretap0 is too small (1462) 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. [ 105.308649][T12207] batman_adv: batadv0: Interface activated: gretap0 executing program [ 105.330816][T12220] batman_adv: batadv0: Adding interface: erspan0 [ 105.337398][T12220] batman_adv: batadv0: The MTU of interface erspan0 is too small (1450) 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. [ 105.363565][T12220] batman_adv: batadv0: Interface activated: erspan0 [ 105.371620][T12221] batman_adv: batadv0: Adding interface: erspan0 executing program [ 105.378133][T12221] batman_adv: batadv0: The MTU of interface erspan0 is too small (1450) 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. [ 105.403856][T12221] batman_adv: batadv0: Interface activated: erspan0 [ 105.412848][T12222] batman_adv: batadv0: Adding interface: gretap0 executing program executing program [ 105.420136][T12222] batman_adv: batadv0: The MTU of interface gretap0 is too small (1462) 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. [ 105.445826][T12222] batman_adv: batadv0: Interface activated: gretap0 [ 105.466739][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready executing program executing program executing program [ 105.476017][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 105.485469][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 105.496111][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 105.505385][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 105.514248][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 105.523481][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready executing program [ 105.533090][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 105.542276][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.549457][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.557993][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 105.567677][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.577799][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.587411][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 105.597818][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.607434][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 105.616804][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 105.625790][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.632962][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.641447][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 105.650932][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 105.659989][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.667190][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.675672][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.685564][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.695381][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 105.704700][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 105.713701][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 105.723216][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 105.732987][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 105.742488][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.751849][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 105.760319][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 105.768895][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 105.777862][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.787541][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 105.796642][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 105.805974][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 105.815937][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.825519][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 105.835483][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 105.845392][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.855346][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.864841][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 105.874136][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.883724][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.893644][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.903504][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 105.912462][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.922066][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 105.932215][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.941587][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 105.951168][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 105.960208][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 105.969545][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 105.978549][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.986400][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.994995][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 106.004290][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 106.014508][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 106.024320][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 106.033621][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 106.042644][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 106.052034][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 106.061376][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 106.070525][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.079365][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.087813][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 106.097896][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 106.107958][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 106.116784][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 106.125998][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 106.136877][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 106.146253][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 106.156061][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 106.165558][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 106.173185][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 106.181007][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 106.188706][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 106.197181][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 106.206140][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 106.215652][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 106.224953][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 106.235078][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 106.242690][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 106.250439][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 106.258334][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 106.266317][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 106.274944][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 106.282540][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 106.290573][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 106.302538][T12226] batman_adv: batadv0: Adding interface: erspan0 [ 106.309357][T12226] batman_adv: batadv0: The MTU of interface erspan0 is too small (1450) 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. [ 106.334816][T12226] batman_adv: batadv0: Interface activated: erspan0 [ 106.342539][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 106.351613][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 106.361918][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 106.371242][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 106.379841][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 106.388842][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 106.397450][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 106.406398][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 106.415565][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 106.429516][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 106.438266][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 106.447444][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 106.458335][T12223] batman_adv: batadv0: Adding interface: erspan0 [ 106.464889][T12223] batman_adv: batadv0: The MTU of interface erspan0 is too small (1450) 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. executing program executing program executing program executing program executing program executing program [ 106.490708][T12223] batman_adv: batadv0: Interface activated: erspan0 [ 106.499946][T12228] batman_adv: batadv0: Adding interface: erspan0 [ 106.507290][T12228] batman_adv: batadv0: The MTU of interface erspan0 is too small (1450) 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. [ 106.533076][T12228] batman_adv: batadv0: Interface activated: erspan0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 106.681411][T12247] batman_adv: batadv0: Adding interface: syz_tun [ 106.687987][T12247] batman_adv: batadv0: The MTU of interface syz_tun 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. [ 106.714454][T12247] batman_adv: batadv0: Interface activated: syz_tun [ 106.724806][T12248] batman_adv: batadv0: Adding interface: syz_tun executing program executing program executing program executing program executing program [ 106.731313][T12248] batman_adv: batadv0: The MTU of interface syz_tun 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. [ 106.757313][T12248] batman_adv: batadv0: Interface activated: syz_tun executing program executing program executing program executing program [ 106.811040][T12255] batman_adv: batadv0: Adding interface: syz_tun [ 106.818274][T12255] batman_adv: batadv0: The MTU of interface syz_tun 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. [ 106.844449][T12255] batman_adv: batadv0: Interface activated: syz_tun executing program [ 106.860844][T12258] batman_adv: batadv0: Adding interface: ip6gretap0 [ 106.867896][T12258] batman_adv: batadv0: The MTU of interface ip6gretap0 is too small (1434) 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. [ 106.894590][T12258] batman_adv: batadv0: Interface activated: ip6gretap0 executing program executing program [ 106.907479][T12257] batman_adv: batadv0: Adding interface: syz_tun [ 106.914248][T12257] batman_adv: batadv0: The MTU of interface syz_tun 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. [ 106.939987][T12257] batman_adv: batadv0: Interface activated: syz_tun [ 106.948025][T12263] batman_adv: batadv0: Adding interface: bridge0 executing program executing program executing program [ 106.954669][T12263] batman_adv: batadv0: The MTU of interface bridge0 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. [ 106.982120][T12263] batman_adv: batadv0: Interface activated: bridge0 [ 106.990956][T12260] batman_adv: batadv0: Adding interface: ip6gretap0 executing program executing program executing program [ 106.998125][T12260] batman_adv: batadv0: The MTU of interface ip6gretap0 is too small (1434) 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. [ 107.023919][T12260] batman_adv: batadv0: Interface activated: ip6gretap0 [ 107.035032][T12262] batman_adv: batadv0: Adding interface: syz_tun executing program [ 107.041700][T12262] batman_adv: batadv0: The MTU of interface syz_tun 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. [ 107.068687][T12262] batman_adv: batadv0: Interface activated: syz_tun [ 107.078717][T12264] batman_adv: batadv0: Adding interface: ip6gretap0 [ 107.085645][T12264] batman_adv: batadv0: The MTU of interface ip6gretap0 is too small (1434) 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. executing program executing program [ 107.112010][T12264] batman_adv: batadv0: Interface activated: ip6gretap0 [ 107.120956][T12266] batman_adv: batadv0: Adding interface: ip6gretap0 [ 107.128631][T12266] batman_adv: batadv0: The MTU of interface ip6gretap0 is too small (1434) 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. [ 107.154397][T12266] batman_adv: batadv0: Interface activated: ip6gretap0 executing program [ 107.162783][T12267] batman_adv: batadv0: Adding interface: syz_tun [ 107.169364][T12267] batman_adv: batadv0: The MTU of interface syz_tun 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. [ 107.195662][T12267] batman_adv: batadv0: Interface activated: syz_tun [ 107.204147][T12268] batman_adv: batadv0: Adding interface: bridge0 executing program [ 107.210587][T12268] batman_adv: batadv0: The MTU of interface bridge0 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. [ 107.236319][T12268] batman_adv: batadv0: Interface activated: bridge0 [ 107.252893][T12273] batman_adv: batadv0: Adding interface: ip6gretap0 [ 107.259649][T12273] batman_adv: batadv0: The MTU of interface ip6gretap0 is too small (1434) 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. [ 107.286098][T12273] batman_adv: batadv0: Interface activated: ip6gretap0 [ 107.294991][T12269] batman_adv: batadv0: Adding interface: ip6gretap0 executing program [ 107.301741][T12269] batman_adv: batadv0: The MTU of interface ip6gretap0 is too small (1434) 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. [ 107.328872][T12269] batman_adv: batadv0: Interface activated: ip6gretap0 [ 107.338091][T12270] batman_adv: batadv0: Adding interface: bridge0 [ 107.344805][T12270] batman_adv: batadv0: The MTU of interface bridge0 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. [ 107.371393][T12270] batman_adv: batadv0: Interface activated: bridge0 [ 107.379723][T12271] batman_adv: batadv0: Adding interface: bond0 [ 107.386261][T12271] batman_adv: batadv0: The MTU of interface bond0 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. executing program executing program executing program executing program [ 107.411997][T12271] batman_adv: batadv0: Interface activated: bond0 [ 107.419919][T12272] batman_adv: batadv0: Adding interface: bridge0 [ 107.427275][T12272] batman_adv: batadv0: The MTU of interface bridge0 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. [ 107.453579][T12272] batman_adv: batadv0: Interface activated: bridge0 [ 107.475071][T12276] batman_adv: batadv0: Adding interface: bridge0 [ 107.481630][T12276] batman_adv: batadv0: The MTU of interface bridge0 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. [ 107.507395][T12276] batman_adv: batadv0: Interface activated: bridge0 [ 107.516010][T12275] batman_adv: batadv0: Adding interface: bridge0 executing program [ 107.522615][T12275] batman_adv: batadv0: The MTU of interface bridge0 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. [ 107.550238][T12275] batman_adv: batadv0: Interface activated: bridge0 [ 107.561980][T12277] batman_adv: batadv0: Adding interface: team0 executing program executing program executing program [ 107.568319][T12277] batman_adv: batadv0: The MTU of interface team0 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. [ 107.594119][T12277] batman_adv: batadv0: Interface activated: team0 executing program executing program executing program executing program [ 107.624151][T12281] batman_adv: batadv0: Adding interface: bond0 [ 107.630443][T12281] batman_adv: batadv0: The MTU of interface bond0 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. [ 107.655716][T12281] batman_adv: batadv0: Interface activated: bond0 [ 107.666457][T12284] batman_adv: batadv0: Adding interface: bond0 executing program executing program [ 107.674388][T12284] batman_adv: batadv0: The MTU of interface bond0 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. [ 107.699633][T12284] batman_adv: batadv0: Interface activated: bond0 [ 107.708887][T12285] batman_adv: batadv0: Adding interface: bond0 executing program [ 107.715267][T12285] batman_adv: batadv0: The MTU of interface bond0 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. [ 107.741589][T12285] batman_adv: batadv0: Interface activated: bond0 [ 107.749647][T12286] batman_adv: batadv0: Adding interface: dummy0 [ 107.756028][T12286] batman_adv: batadv0: The MTU of interface dummy0 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. [ 107.782462][T12286] batman_adv: batadv0: Interface activated: dummy0 [ 107.790595][T12283] batman_adv: batadv0: Adding interface: bond0 [ 107.796904][T12283] batman_adv: batadv0: The MTU of interface bond0 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. executing program executing program executing program [ 107.822284][T12283] batman_adv: batadv0: Interface activated: bond0 [ 107.834507][T12287] batman_adv: batadv0: Adding interface: team0 [ 107.840892][T12287] batman_adv: batadv0: The MTU of interface team0 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. [ 107.866249][T12287] batman_adv: batadv0: Interface activated: team0 [ 107.874227][T12292] batman_adv: batadv0: Adding interface: team0 [ 107.880467][T12292] batman_adv: batadv0: The MTU of interface team0 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. [ 107.906383][T12292] batman_adv: batadv0: Interface activated: team0 [ 107.914743][T12288] batman_adv: batadv0: Adding interface: bond0 executing program executing program executing program [ 107.920984][T12288] batman_adv: batadv0: The MTU of interface bond0 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. [ 107.946261][T12288] batman_adv: batadv0: Interface activated: bond0 [ 107.954258][T12289] batman_adv: batadv0: Adding interface: team0 [ 107.960479][T12289] batman_adv: batadv0: The MTU of interface team0 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. [ 107.986014][T12289] batman_adv: batadv0: Interface activated: team0 [ 107.994363][T12290] batman_adv: batadv0: Adding interface: team0 [ 108.000681][T12290] batman_adv: batadv0: The MTU of interface team0 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. [ 108.026287][T12290] batman_adv: batadv0: Interface activated: team0 [ 108.036519][T12293] batman_adv: batadv0: Adding interface: dummy0 [ 108.042831][T12293] batman_adv: batadv0: The MTU of interface dummy0 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. [ 108.068181][T12293] batman_adv: batadv0: Interface activated: dummy0 executing program [ 108.077018][T12294] batman_adv: batadv0: Adding interface: dummy0 [ 108.083353][T12294] batman_adv: batadv0: The MTU of interface dummy0 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. [ 108.109153][T12294] batman_adv: batadv0: Interface activated: dummy0 [ 108.117988][T12295] batman_adv: batadv0: Adding interface: team0 [ 108.124481][T12295] batman_adv: batadv0: The MTU of interface team0 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. [ 108.149874][T12295] batman_adv: batadv0: Interface activated: team0 [ 108.165948][T12297] batman_adv: batadv0: Adding interface: dummy0 executing program executing program executing program executing program executing program [ 108.172318][T12297] batman_adv: batadv0: The MTU of interface dummy0 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. [ 108.197816][T12297] batman_adv: batadv0: Interface activated: dummy0 [ 108.205860][T12298] batman_adv: batadv0: Adding interface: dummy0 executing program executing program [ 108.212185][T12298] batman_adv: batadv0: The MTU of interface dummy0 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. [ 108.237565][T12298] batman_adv: batadv0: Interface activated: dummy0 [ 108.254350][T12302] batman_adv: batadv0: Adding interface: dummy0 executing program executing program executing program executing program executing program [ 108.260716][T12302] batman_adv: batadv0: The MTU of interface dummy0 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. [ 108.286115][T12302] batman_adv: batadv0: Interface activated: dummy0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 108.429083][T12317] batman_adv: batadv0: Adding interface: veth0 [ 108.436131][T12317] batman_adv: batadv0: The MTU of interface veth0 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. [ 108.439388][T12322] ===================================================== [ 108.461496][T12317] batman_adv: batadv0: Interface activated: veth0 executing program [ 108.469880][T12322] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0xa9/0xb0 [ 108.469897][T12322] CPU: 0 PID: 12322 Comm: syz-executor364 Not tainted 5.4.0-rc8-syzkaller #0 [ 108.469904][T12322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.469910][T12322] Call Trace: [ 108.469931][T12322] dump_stack+0x1c9/0x220 [ 108.469961][T12322] kmsan_report+0x128/0x220 [ 108.514862][T12322] kmsan_internal_check_memory+0x178/0x440 [ 108.520705][T12322] kmsan_copy_to_user+0xa9/0xb0 [ 108.525574][T12322] copyout+0x16b/0x1f0 [ 108.529667][T12322] _copy_to_iter+0x35f/0x26f0 [ 108.534364][T12322] ? __kernel_text_address+0x24f/0x350 [ 108.539851][T12322] ? stack_trace_save+0x1b0/0x1b0 [ 108.544907][T12322] simple_copy_to_iter+0x92/0xb0 [ 108.549872][T12322] __skb_datagram_iter+0x24d/0xee0 [ 108.552281][T12320] batman_adv: batadv0: Adding interface: veth0 [ 108.554995][T12322] ? skb_copy_datagram_iter+0x2b0/0x2b0 [ 108.555013][T12322] ? kmsan_internal_poison_shadow+0xac/0x110 [ 108.555027][T12322] ? kmem_cache_free+0x5ce/0x2c00 executing program [ 108.555042][T12322] ? __fput+0x8b2/0xba0 [ 108.555058][T12322] ? do_syscall_64+0xdc/0x160 [ 108.555073][T12322] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 108.555113][T12322] skb_copy_datagram_iter+0x29c/0x2b0 [ 108.561306][T12320] batman_adv: batadv0: The MTU of interface veth0 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. [ 108.566827][T12322] tun_do_read+0x2522/0x2eb0 [ 108.566840][T12322] ? kmsan_get_shadow_origin_ptr+0x91/0x4d0 [ 108.566861][T12322] ? kmsan_get_metadata+0x51/0x350 [ 108.566894][T12322] ? arch_local_irq_disable+0x10/0x10 [ 108.566917][T12322] tun_chr_read_iter+0x229/0x460 [ 108.566944][T12322] ? tun_cleanup+0x60/0x60 [ 108.566958][T12322] __vfs_read+0xa67/0xc90 [ 108.566992][T12322] vfs_read+0x359/0x6f0 [ 108.567020][T12322] ksys_read+0x265/0x430 [ 108.567046][T12322] __se_sys_read+0x92/0xb0 [ 108.567067][T12322] __x64_sys_read+0x4a/0x70 [ 108.567082][T12322] do_syscall_64+0xb6/0x160 [ 108.567098][T12322] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 108.567112][T12322] RIP: 0033:0x402ae0 [ 108.567129][T12322] Code: 01 f0 ff ff 0f 83 a0 0d 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d cd 94 2d 00 00 75 14 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 74 0d 00 00 c3 48 83 ec 08 e8 da 02 00 00 [ 108.567136][T12322] RSP: 002b:00007ffcff159618 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 108.567151][T12322] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000402ae0 [ 108.567160][T12322] RDX: 00000000000003e8 RSI: 00007ffcff159620 RDI: 00000000000000f0 [ 108.567169][T12322] RBP: 000000000001a7a6 R08: 0000000000000000 R09: 0000000000000004 [ 108.567176][T12322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 108.567184][T12322] R13: 0000000000403d70 R14: 0000000000000000 R15: 0000000000000000 [ 108.567199][T12322] [ 108.567203][T12322] Uninit was stored to memory at: [ 108.567217][T12322] kmsan_internal_chain_origin+0xb9/0x170 [ 108.567229][T12322] kmsan_memcpy_memmove_metadata+0x25c/0x2e0 [ 108.567240][T12322] kmsan_memcpy_metadata+0xb/0x10 [ 108.567252][T12322] __msan_memcpy+0x56/0x70 [ 108.567263][T12322] pskb_expand_head+0x38a/0x19f0 [ 108.567278][T12322] batadv_skb_head_push+0x23c/0x360 [ 108.567290][T12322] batadv_send_skb_packet+0x1a7/0x8c0 [ 108.567304][T12322] batadv_send_broadcast_skb+0x76/0x90 [ 108.567320][T12322] batadv_iv_send_outstanding_bat_ogm_packet+0x993/0xd50 [ 108.567332][T12322] process_one_work+0x1572/0x1ef0 [ 108.567343][T12322] worker_thread+0x111b/0x2460 [ 108.567357][T12322] kthread+0x4b5/0x4f0 [ 108.567369][T12322] ret_from_fork+0x35/0x40 [ 108.567373][T12322] [ 108.567377][T12322] Uninit was created at: [ 108.567392][T12322] kmsan_save_stack_with_flags+0x3c/0x90 [ 108.567403][T12322] kmsan_alloc_page+0x140/0x330 [ 108.567419][T12322] __alloc_pages_nodemask+0x1421/0x5fd0 [ 108.567432][T12322] page_frag_alloc+0x3ae/0x910 [ 108.567444][T12322] __netdev_alloc_skb+0x672/0xb20 [ 108.567457][T12322] batadv_iv_ogm_queue_add+0xf42/0x17b0 [ 108.567471][T12322] batadv_iv_ogm_schedule+0xc1c/0x1080 [ 108.567486][T12322] batadv_iv_send_outstanding_bat_ogm_packet+0xbc0/0xd50 [ 108.567498][T12322] process_one_work+0x1572/0x1ef0 [ 108.567508][T12322] worker_thread+0x111b/0x2460 [ 108.567518][T12322] kthread+0x4b5/0x4f0 [ 108.567528][T12322] ret_from_fork+0x35/0x40 [ 108.567531][T12322] [ 108.567538][T12322] Bytes 52-53 of 98 are uninitialized [ 108.567544][T12322] Memory access of size 98 starts at ffff9e00e66d3440 [ 108.567549][T12322] Data copied to user address 00007ffcff159620 [ 108.567554][T12322] ===================================================== [ 108.567558][T12322] Disabling lock debugging due to kernel taint [ 108.567566][T12322] Kernel panic - not syncing: panic_on_warn set ... [ 108.567581][T12322] CPU: 0 PID: 12322 Comm: syz-executor364 Tainted: G B 5.4.0-rc8-syzkaller #0 [ 108.567588][T12322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.567594][T12322] Call Trace: [ 108.567610][T12322] dump_stack+0x1c9/0x220 [ 108.567641][T12322] panic+0x3c9/0xc1e [ 108.573669][T12320] batman_adv: batadv0: Interface activated: veth0 [ 108.578805][T12322] kmsan_report+0x215/0x220 [ 108.604329][T12324] batman_adv: batadv0: Adding interface: veth1 [ 108.624363][T12322] kmsan_internal_check_memory+0x178/0x440 [ 108.624391][T12322] kmsan_copy_to_user+0xa9/0xb0 [ 108.624406][T12322] copyout+0x16b/0x1f0 [ 108.624426][T12322] _copy_to_iter+0x35f/0x26f0 [ 108.624441][T12322] ? __kernel_text_address+0x24f/0x350 [ 108.624466][T12322] ? stack_trace_save+0x1b0/0x1b0 [ 108.624495][T12322] simple_copy_to_iter+0x92/0xb0 [ 108.624518][T12322] __skb_datagram_iter+0x24d/0xee0 [ 108.624537][T12322] ? skb_copy_datagram_iter+0x2b0/0x2b0 [ 108.624552][T12322] ? kmsan_internal_poison_shadow+0xac/0x110 [ 108.624566][T12322] ? kmem_cache_free+0x5ce/0x2c00 [ 108.624582][T12322] ? __fput+0x8b2/0xba0 [ 108.624600][T12322] ? do_syscall_64+0xdc/0x160 [ 108.624615][T12322] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 108.624644][T12322] skb_copy_datagram_iter+0x29c/0x2b0 [ 108.624668][T12322] tun_do_read+0x2522/0x2eb0 [ 108.624680][T12322] ? kmsan_get_shadow_origin_ptr+0x91/0x4d0 [ 108.624698][T12322] ? kmsan_get_metadata+0x51/0x350 [ 108.624727][T12322] ? arch_local_irq_disable+0x10/0x10 [ 108.624744][T12322] tun_chr_read_iter+0x229/0x460 [ 108.624769][T12322] ? tun_cleanup+0x60/0x60 [ 108.624781][T12322] __vfs_read+0xa67/0xc90 [ 108.624818][T12322] vfs_read+0x359/0x6f0 [ 108.629436][T12324] batman_adv: batadv0: The MTU of interface veth1 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. [ 108.635306][T12322] ksys_read+0x265/0x430 [ 108.635329][T12322] __se_sys_read+0x92/0xb0 [ 108.635348][T12322] __x64_sys_read+0x4a/0x70 [ 108.635364][T12322] do_syscall_64+0xb6/0x160 [ 108.635382][T12322] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 108.635393][T12322] RIP: 0033:0x402ae0 [ 108.635423][T12322] Code: 01 f0 ff ff 0f 83 a0 0d 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d cd 94 2d 00 00 75 14 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 74 0d 00 00 c3 48 83 ec 08 e8 da 02 00 00 [ 108.640527][T12324] batman_adv: batadv0: Interface activated: veth1 [ 108.645867][T12322] RSP: 002b:00007ffcff159618 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 108.645882][T12322] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000402ae0 [ 108.645891][T12322] RDX: 00000000000003e8 RSI: 00007ffcff159620 RDI: 00000000000000f0 [ 108.645899][T12322] RBP: 000000000001a7a6 R08: 0000000000000000 R09: 0000000000000004 [ 108.645906][T12322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 108.645914][T12322] R13: 0000000000403d70 R14: 0000000000000000 R15: 0000000000000000 [ 108.652488][T12322] Kernel Offset: 0x10400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 109.246630][T12322] Rebooting in 86400 seconds..