[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.695396][ T24] audit: type=1800 audit(1563807973.017:25): pid=8173 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.714402][ T24] audit: type=1800 audit(1563807973.017:26): pid=8173 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.733862][ T24] audit: type=1800 audit(1563807973.027:27): pid=8173 uid=0 auid=4294967295 ses=4294967295 subj=_ 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.247' (ECDSA) to the list of known hosts. syzkaller login: [ 537.045119][ T8338] IPVS: ftp: loaded support on port[0] = 21 [ 537.053194][ T8334] IPVS: ftp: loaded support on port[0] = 21 [ 537.061371][ T8336] IPVS: ftp: loaded support on port[0] = 21 [ 537.068907][ T8337] IPVS: ftp: loaded support on port[0] = 21 [ 537.076743][ T8340] IPVS: ftp: loaded support on port[0] = 21 [ 537.085574][ T8339] IPVS: ftp: loaded support on port[0] = 21 [ 537.286537][ T8336] chnl_net:caif_netlink_parms(): no params data found [ 537.397293][ T8338] chnl_net:caif_netlink_parms(): no params data found [ 537.433308][ T8339] chnl_net:caif_netlink_parms(): no params data found [ 537.443378][ T8336] bridge0: port 1(bridge_slave_0) entered blocking state [ 537.451048][ T8336] bridge0: port 1(bridge_slave_0) entered disabled state [ 537.459354][ T8336] device bridge_slave_0 entered promiscuous mode [ 537.467789][ T8337] chnl_net:caif_netlink_parms(): no params data found [ 537.477260][ T8336] bridge0: port 2(bridge_slave_1) entered blocking state [ 537.484437][ T8336] bridge0: port 2(bridge_slave_1) entered disabled state [ 537.492510][ T8336] device bridge_slave_1 entered promiscuous mode [ 537.525494][ T8336] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 537.540043][ T8336] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 537.558552][ T8334] chnl_net:caif_netlink_parms(): no params data found [ 537.575576][ T8340] chnl_net:caif_netlink_parms(): no params data found [ 537.648465][ T8338] bridge0: port 1(bridge_slave_0) entered blocking state [ 537.656879][ T8338] bridge0: port 1(bridge_slave_0) entered disabled state [ 537.664921][ T8338] device bridge_slave_0 entered promiscuous mode [ 537.700219][ T8338] bridge0: port 2(bridge_slave_1) entered blocking state [ 537.707489][ T8338] bridge0: port 2(bridge_slave_1) entered disabled state [ 537.715359][ T8338] device bridge_slave_1 entered promiscuous mode [ 537.724560][ T8336] team0: Port device team_slave_0 added [ 537.754775][ T8339] bridge0: port 1(bridge_slave_0) entered blocking state [ 537.761960][ T8339] bridge0: port 1(bridge_slave_0) entered disabled state [ 537.770090][ T8339] device bridge_slave_0 entered promiscuous mode [ 537.777847][ T8337] bridge0: port 1(bridge_slave_0) entered blocking state [ 537.785126][ T8337] bridge0: port 1(bridge_slave_0) entered disabled state [ 537.793210][ T8337] device bridge_slave_0 entered promiscuous mode [ 537.801281][ T8334] bridge0: port 1(bridge_slave_0) entered blocking state [ 537.808392][ T8334] bridge0: port 1(bridge_slave_0) entered disabled state [ 537.816816][ T8334] device bridge_slave_0 entered promiscuous mode [ 537.831329][ T8336] team0: Port device team_slave_1 added [ 537.838673][ T8338] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 537.854201][ T8339] bridge0: port 2(bridge_slave_1) entered blocking state [ 537.861392][ T8339] bridge0: port 2(bridge_slave_1) entered disabled state [ 537.869057][ T8339] device bridge_slave_1 entered promiscuous mode [ 537.883690][ T8337] bridge0: port 2(bridge_slave_1) entered blocking state [ 537.890923][ T8337] bridge0: port 2(bridge_slave_1) entered disabled state [ 537.898664][ T8337] device bridge_slave_1 entered promiscuous mode [ 537.905695][ T8334] bridge0: port 2(bridge_slave_1) entered blocking state [ 537.912879][ T8334] bridge0: port 2(bridge_slave_1) entered disabled state [ 537.920933][ T8334] device bridge_slave_1 entered promiscuous mode [ 537.941328][ T8338] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 537.951338][ T8340] bridge0: port 1(bridge_slave_0) entered blocking state [ 537.958420][ T8340] bridge0: port 1(bridge_slave_0) entered disabled state [ 537.966508][ T8340] device bridge_slave_0 entered promiscuous mode [ 537.979015][ T8340] bridge0: port 2(bridge_slave_1) entered blocking state [ 537.986282][ T8340] bridge0: port 2(bridge_slave_1) entered disabled state [ 537.994422][ T8340] device bridge_slave_1 entered promiscuous mode [ 538.016741][ T8340] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 538.033979][ T8339] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 538.049813][ T8340] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 538.061001][ T8334] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 538.077211][ T8337] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 538.088060][ T8339] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 538.098338][ T8337] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 538.142455][ T8336] device hsr_slave_0 entered promiscuous mode [ 538.180681][ T8336] device hsr_slave_1 entered promiscuous mode [ 538.224745][ T8338] team0: Port device team_slave_0 added [ 538.235465][ T8338] team0: Port device team_slave_1 added [ 538.242451][ T8334] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 538.277275][ T8339] team0: Port device team_slave_0 added [ 538.287677][ T8340] team0: Port device team_slave_0 added [ 538.362195][ T8338] device hsr_slave_0 entered promiscuous mode [ 538.400828][ T8338] device hsr_slave_1 entered promiscuous mode [ 538.450590][ T8338] debugfs: Directory 'hsr0' with parent '/' already present! [ 538.459213][ T8339] team0: Port device team_slave_1 added [ 538.468166][ T8334] team0: Port device team_slave_0 added [ 538.474829][ T8340] team0: Port device team_slave_1 added [ 538.481422][ T8334] team0: Port device team_slave_1 added [ 538.487875][ T8337] team0: Port device team_slave_0 added [ 538.494734][ T8337] team0: Port device team_slave_1 added [ 538.562292][ T8339] device hsr_slave_0 entered promiscuous mode [ 538.620849][ T8339] device hsr_slave_1 entered promiscuous mode [ 538.670503][ T8339] debugfs: Directory 'hsr0' with parent '/' already present! [ 538.722324][ T8334] device hsr_slave_0 entered promiscuous mode [ 538.770741][ T8334] device hsr_slave_1 entered promiscuous mode [ 538.820505][ T8334] debugfs: Directory 'hsr0' with parent '/' already present! [ 538.872214][ T8337] device hsr_slave_0 entered promiscuous mode [ 538.910712][ T8337] device hsr_slave_1 entered promiscuous mode [ 538.970459][ T8337] debugfs: Directory 'hsr0' with parent '/' already present! [ 539.042197][ T8340] device hsr_slave_0 entered promiscuous mode [ 539.110737][ T8340] device hsr_slave_1 entered promiscuous mode [ 539.160577][ T8340] debugfs: Directory 'hsr0' with parent '/' already present! [ 539.233820][ T8340] 8021q: adding VLAN 0 to HW filter on device bond0 [ 539.260136][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 539.268855][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 539.283847][ T8340] 8021q: adding VLAN 0 to HW filter on device team0 [ 539.333095][ T8338] 8021q: adding VLAN 0 to HW filter on device bond0 [ 539.351586][ T8339] 8021q: adding VLAN 0 to HW filter on device bond0 [ 539.365054][ T8334] 8021q: adding VLAN 0 to HW filter on device bond0 [ 539.378775][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 539.387779][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 539.396335][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 539.403587][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 539.411719][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 539.420536][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 539.429062][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 539.436692][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 539.456625][ T8336] 8021q: adding VLAN 0 to HW filter on device bond0 [ 539.478178][ T8336] 8021q: adding VLAN 0 to HW filter on device team0 [ 539.491221][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 539.499283][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 539.508434][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 539.516331][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 539.524187][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 539.533253][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 539.541786][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 539.548869][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 539.560074][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 539.573862][ T8338] 8021q: adding VLAN 0 to HW filter on device team0 [ 539.585514][ T8334] 8021q: adding VLAN 0 to HW filter on device team0 [ 539.604629][ T8337] 8021q: adding VLAN 0 to HW filter on device bond0 [ 539.615411][ T8339] 8021q: adding VLAN 0 to HW filter on device team0 [ 539.622820][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 539.631377][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 539.639330][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 539.648108][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 539.656635][ T8349] bridge0: port 2(bridge_slave_1) entered blocking state [ 539.663801][ T8349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 539.671478][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 539.679117][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 539.686906][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 539.695378][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 539.703252][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 539.711186][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 539.726658][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 539.735672][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 539.744395][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 539.753398][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 539.794917][ T8337] 8021q: adding VLAN 0 to HW filter on device team0 [ 539.809249][ T8338] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 539.819986][ T8338] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 539.853290][ T8340] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 539.864328][ T8340] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 539.883570][ T8339] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 539.894176][ T8339] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 539.905910][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 539.914062][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 539.922123][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 539.929895][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 539.938667][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 539.947497][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 539.956068][ T8342] bridge0: port 1(bridge_slave_0) entered blocking state [ 539.963308][ T8342] bridge0: port 1(bridge_slave_0) entered forwarding state [ 539.971011][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 539.980750][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 539.989187][ T8342] bridge0: port 2(bridge_slave_1) entered blocking state [ 539.996313][ T8342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 540.004034][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 540.012835][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 540.021359][ T8342] bridge0: port 1(bridge_slave_0) entered blocking state [ 540.028419][ T8342] bridge0: port 1(bridge_slave_0) entered forwarding state [ 540.036080][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 540.044799][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 540.053283][ T8342] bridge0: port 1(bridge_slave_0) entered blocking state [ 540.060398][ T8342] bridge0: port 1(bridge_slave_0) entered forwarding state [ 540.067881][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 540.076608][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 540.085338][ T8342] bridge0: port 2(bridge_slave_1) entered blocking state [ 540.092439][ T8342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 540.099939][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 540.108707][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 540.117258][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 540.125882][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 540.134239][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 540.143241][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 540.151663][ T8342] bridge0: port 2(bridge_slave_1) entered blocking state [ 540.158702][ T8342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 540.166586][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 540.175066][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 540.183637][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 540.192176][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 540.200583][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 540.209081][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 540.217512][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 540.225745][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 540.234599][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 540.243195][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 540.251894][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 540.260573][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 540.268905][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 540.277536][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 540.285827][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 540.294381][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 540.303219][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 540.311798][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 540.320471][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 540.329009][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 540.337530][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 540.345861][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 540.354266][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 540.363123][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 540.371940][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 540.380376][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 540.388727][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 540.397265][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 540.405621][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 540.414119][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 540.422856][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 540.431730][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 540.440224][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 540.448813][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 540.461809][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 540.471738][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 540.479826][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 540.488467][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 540.496895][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 540.505543][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 540.514001][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 540.523450][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 540.533732][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 540.541770][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 540.549945][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 540.558162][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 540.566950][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 540.575739][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 540.584597][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 540.593152][ T8342] bridge0: port 1(bridge_slave_0) entered blocking state [ 540.600243][ T8342] bridge0: port 1(bridge_slave_0) entered forwarding state [ 540.609191][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 540.636194][ T8334] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 540.647643][ T8334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 540.671538][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 540.680111][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 540.688760][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 540.697549][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 540.705975][ T8349] bridge0: port 2(bridge_slave_1) entered blocking state [ 540.713101][ T8349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 540.732633][ T8339] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 540.749555][ T8336] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 540.771981][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 540.781063][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 540.791120][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 540.801128][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 540.810245][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 540.819858][ T8349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 540.845639][ T8340] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 540.856107][ T8338] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 540.866639][ T8337] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 540.877431][ T8337] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 540.893418][ T8334] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 540.920663][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 540.928620][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 540.937236][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 540.945789][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 540.954197][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program executing program [ 540.981304][ T8337] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 541.000107][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready 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 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 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 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 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 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 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 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 executing program executing program executing 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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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 executing program [ 682.110995][ C1] ------------[ cut here ]------------ [ 682.116830][ C1] refcount_t: increment on 0; use-after-free. [ 682.123466][ C1] WARNING: CPU: 1 PID: 0 at lib/refcount.c:156 refcount_inc_checked+0x4b/0x50 [ 682.132448][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 682.139234][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.2.0+ #37 [ 682.146105][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 682.156182][ C1] Call Trace: [ 682.159490][ C1] [ 682.162446][ C1] dump_stack+0x1d8/0x2f8 [ 682.166803][ C1] panic+0x29b/0x7d9 [ 682.170705][ C1] ? __warn+0x126/0x230 [ 682.174014][T21427] ================================================================== [ 682.174875][ C1] ? nmi_panic+0x97/0x97 [ 682.174951][ C1] ? __probe_kernel_read+0x14b/0x1a0 [ 682.183014][T21427] BUG: KASAN: use-after-free in refcount_inc_not_zero_checked+0x7c/0x280 [ 682.183030][T21427] Read of size 4 at addr ffff888085b53400 by task syz-executor846/21427 [ 682.187280][ C1] ? refcount_inc_checked+0x4b/0x50 [ 682.192544][T21427] [ 682.201015][ C1] ? is_valid_bugaddr+0x81/0x100 [ 682.221724][ C1] __warn+0x22f/0x230 [ 682.225708][ C1] ? refcount_inc_checked+0x4b/0x50 [ 682.230911][ C1] report_bug+0x190/0x290 [ 682.235250][ C1] ? refcount_inc_checked+0x4b/0x50 [ 682.240452][ C1] do_error_trap+0xd7/0x440 [ 682.244964][ C1] do_invalid_op+0x36/0x40 [ 682.249380][ C1] ? refcount_inc_checked+0x4b/0x50 [ 682.254631][ C1] invalid_op+0x23/0x30 [ 682.258795][ C1] RIP: 0010:refcount_inc_checked+0x4b/0x50 [ 682.264602][ C1] Code: 3d 8c a6 96 05 01 75 08 e8 42 dd 12 fe 5b 5d c3 e8 3a dd 12 fe c6 05 76 a6 96 05 01 48 c7 c7 89 0f 88 88 31 c0 e8 b5 99 e4 fd <0f> 0b eb df 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 [ 682.284217][ C1] RSP: 0018:ffff8880aeb09b60 EFLAGS: 00010246 [ 682.290289][ C1] RAX: d3adfb086b6ec000 RBX: ffff888085b53400 RCX: ffff8880a98bc340 [ 682.298270][ C1] RDX: 0000000000000303 RSI: 0000000000000008 RDI: 0000000000000206 [ 682.306251][ C1] RBP: ffff8880aeb09b68 R08: ffff8880a98bcb50 R09: fffffbfff13bc0b3 [ 682.314231][ C1] R10: fffffbfff13bc0b3 R11: 0000000000000000 R12: ffff88808aa6c180 [ 682.322208][ C1] R13: dffffc0000000000 R14: 0000000000000004 R15: ffff888085b53380 [ 682.330277][ C1] nr_rx_frame+0x17bc/0x1e40 [ 682.334895][ C1] nr_loopback_timer+0x6a/0x140 [ 682.339755][ C1] ? nr_loopback_clear+0x30/0x30 [ 682.344752][ C1] call_timer_fn+0xec/0x200 [ 682.349264][ C1] ? __run_timers+0x9c0/0x9c0 [ 682.353948][ C1] ? nr_loopback_clear+0x30/0x30 [ 682.358885][ C1] ? nr_loopback_clear+0x30/0x30 [ 682.363831][ C1] __run_timers+0x7cd/0x9c0 [ 682.368339][ C1] ? trace_timer_cancel+0x240/0x240 [ 682.373602][ C1] ? rcu_read_lock_sched_held+0x127/0x1c0 [ 682.379326][ C1] run_timer_softirq+0x1d/0x40 [ 682.384091][ C1] __do_softirq+0x307/0x774 [ 682.388591][ C1] ? irq_exit+0x1e9/0x1f0 [ 682.393286][ C1] irq_exit+0x1e9/0x1f0 [ 682.402657][ C1] smp_apic_timer_interrupt+0xcc/0x220 [ 682.408221][ C1] apic_timer_interrupt+0xf/0x20 [ 682.413160][ C1] [ 682.416103][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 682.421484][ C1] Code: 38 46 0a fa eb ae 89 d9 80 e1 07 80 c1 03 38 c1 7c ba 48 89 df e8 22 46 0a fa eb b0 e9 07 00 00 00 0f 00 2d e6 b0 5b 00 fb f4 90 e9 07 00 00 00 0f 00 2d d6 b0 5b 00 f4 c3 90 90 55 48 89 e5 [ 682.441096][ C1] RSP: 0018:ffff8880a98c7d38 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 682.449523][ C1] RAX: 1ffffffff11950f3 RBX: ffff8880a98bc340 RCX: dffffc0000000000 [ 682.457495][ C1] RDX: 0000000000000000 RSI: ffffffff812cd3ea RDI: ffff8880a98bcb38 [ 682.465466][ C1] RBP: ffff8880a98c7d40 R08: ffff8880a98bcb50 R09: ffffed1015317869 [ 682.473446][ C1] R10: ffffed1015317869 R11: 0000000000000000 R12: 1ffff11015317868 [ 682.481496][ C1] R13: 0000000000000001 R14: dffffc0000000000 R15: 1ffffffff11950f1 [ 682.491452][ C1] ? arch_cpu_idle+0xa/0x10 [ 682.495976][ C1] ? default_idle+0x50/0x70 [ 682.502316][ C1] arch_cpu_idle+0xa/0x10 [ 682.506657][ C1] default_idle_call+0x59/0xa0 [ 682.511498][ C1] do_idle+0x174/0x770 [ 682.515587][ C1] ? idle_inject_timer_fn+0x60/0x60 [ 682.520839][ C1] ? schedule_idle+0x64/0x90 [ 682.525438][ C1] cpu_startup_entry+0x25/0x30 [ 682.530259][ C1] start_secondary+0x3f4/0x490 [ 682.535034][ C1] ? mwait_play_dead+0x1d0/0x1d0 [ 682.539990][ C1] secondary_startup_64+0xa4/0xb0 [ 682.545032][T21427] CPU: 0 PID: 21427 Comm: syz-executor846 Not tainted 5.2.0+ #37 [ 682.552767][T21427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 682.562821][T21427] Call Trace: [ 682.566115][T21427] dump_stack+0x1d8/0x2f8 [ 682.570527][T21427] print_address_description+0x75/0x5b0 [ 682.576144][T21427] ? log_buf_vmcoreinfo_setup+0x153/0x153 [ 682.582454][T21427] __kasan_report+0x14b/0x1c0 [ 682.587137][T21427] ? refcount_inc_not_zero_checked+0x7c/0x280 [ 682.593295][T21427] kasan_report+0x26/0x50 [ 682.597627][T21427] check_memory_region+0x2cf/0x2e0 [ 682.602746][T21427] __kasan_check_read+0x11/0x20 [ 682.607598][T21427] refcount_inc_not_zero_checked+0x7c/0x280 [ 682.613493][T21427] ? refcount_add_checked+0x60/0x60 [ 682.618692][T21427] ? __kasan_check_write+0x14/0x20 [ 682.623798][T21427] ? down_write+0x10a/0x180 [ 682.628296][T21427] refcount_inc_checked+0x15/0x50 [ 682.633318][T21427] nr_release+0x59/0x390 [ 682.637613][T21427] sock_close+0xe1/0x260 [ 682.641855][T21427] ? sock_mmap+0xa0/0xa0 [ 682.646134][T21427] __fput+0x2e4/0x740 [ 682.650121][T21427] ____fput+0x15/0x20 [ 682.654169][T21427] task_work_run+0x17e/0x1c0 [ 682.659056][T21427] prepare_exit_to_usermode+0x459/0x580 [ 682.664608][T21427] syscall_return_slowpath+0x113/0x4a0 [ 682.670153][T21427] do_syscall_64+0x126/0x140 [ 682.674739][T21427] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 682.680629][T21427] RIP: 0033:0x407311 [ 682.684523][T21427] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 24 1a 00 00 c3 48 83 ec 08 e8 6a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 b3 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 682.704129][T21427] RSP: 002b:00007ffcafb39390 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 682.712546][T21427] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000407311 [ 682.720516][T21427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 682.728490][T21427] RBP: 00000000006e39f0 R08: 0000000000000000 R09: 0000000000000000 [ 682.736482][T21427] R10: 00007ffcafb393b0 R11: 0000000000000293 R12: 00007ffcafb393c0 [ 682.744455][T21427] R13: 0000000000000004 R14: 00000000006e39fc R15: 0000000000000064 [ 682.752439][T21427] [ 682.754765][T21427] Allocated by task 0: [ 682.758833][T21427] __kasan_kmalloc+0x11c/0x1b0 [ 682.763589][T21427] kasan_kmalloc+0x9/0x10 [ 682.767907][T21427] __kmalloc+0x258/0x340 [ 682.772140][T21427] sk_prot_alloc+0xb0/0x290 [ 682.776634][T21427] sk_alloc+0x38/0x960 [ 682.780693][T21427] nr_rx_frame+0xabc/0x1e40 [ 682.785194][T21427] nr_loopback_timer+0x6a/0x140 [ 682.790047][T21427] call_timer_fn+0xec/0x200 [ 682.794544][T21427] __run_timers+0x7cd/0x9c0 [ 682.799052][T21427] run_timer_softirq+0x1d/0x40 [ 682.803813][T21427] __do_softirq+0x307/0x774 [ 682.808319][T21427] [ 682.810644][T21427] Freed by task 21431: [ 682.814713][T21427] __kasan_slab_free+0x12a/0x1e0 [ 682.819642][T21427] kasan_slab_free+0xe/0x10 [ 682.824143][T21427] kfree+0x115/0x200 [ 682.828031][T21427] __sk_destruct+0x567/0x660 [ 682.832607][T21427] __sk_free+0x317/0x3e0 [ 682.836842][T21427] sock_efree+0x60/0x80 [ 682.841063][T21427] skb_release_head_state+0x100/0x220 [ 682.846438][T21427] __kfree_skb+0x25/0x170 [ 682.850767][T21427] kfree_skb+0x6f/0xb0 [ 682.854836][T21427] nr_accept+0x4ef/0x650 [ 682.859119][T21427] __sys_accept4+0x5bc/0x9a0 [ 682.863715][T21427] __x64_sys_accept+0x7d/0x90 [ 682.868388][T21427] do_syscall_64+0xfe/0x140 [ 682.872893][T21427] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 682.878779][T21427] [ 682.881113][T21427] The buggy address belongs to the object at ffff888085b53380 [ 682.881113][T21427] which belongs to the cache kmalloc-2k of size 2048 [ 682.895189][T21427] The buggy address is located 128 bytes inside of [ 682.895189][T21427] 2048-byte region [ffff888085b53380, ffff888085b53b80) [ 682.908633][T21427] The buggy address belongs to the page: [ 682.914278][T21427] page:ffffea000216d480 refcount:1 mapcount:0 mapping:ffff8880aa400e00 index:0x0 compound_mapcount: 0 [ 682.925393][T21427] flags: 0x1fffc0000010200(slab|head) [ 682.930778][T21427] raw: 01fffc0000010200 ffffea00022e9288 ffffea000212f788 ffff8880aa400e00 [ 682.939370][T21427] raw: 0000000000000000 ffff888085b52280 0000000100000003 0000000000000000 [ 682.947950][T21427] page dumped because: kasan: bad access detected [ 682.954365][T21427] [ 682.956691][T21427] Memory state around the buggy address: [ 682.962317][T21427] ffff888085b53300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 682.970382][T21427] ffff888085b53380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 682.978446][T21427] >ffff888085b53400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 682.986508][T21427] ^ [ 682.990571][T21427] ffff888085b53480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 682.998630][T21427] ffff888085b53500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 683.006688][T21427] ================================================================== [ 683.014745][T21427] Disabling lock debugging due to kernel taint [ 683.021962][ C1] Kernel Offset: disabled [ 683.026294][ C1] Rebooting in 86400 seconds..