[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 80.191021][ T26] audit: type=1800 audit(1577617945.731:25): pid=9017 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 80.210965][ T26] audit: type=1800 audit(1577617945.731:26): pid=9017 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 80.255262][ T26] audit: type=1800 audit(1577617945.731:27): pid=9017 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.140' (ECDSA) to the list of known hosts. 2019/12/29 11:22:07 parsed 1 programs 2019/12/29 11:22:10 executed programs: 0 syzkaller login: [ 665.064084][ T9203] IPVS: ftp: loaded support on port[0] = 21 [ 665.084919][ T9206] IPVS: ftp: loaded support on port[0] = 21 [ 665.104102][ T9201] IPVS: ftp: loaded support on port[0] = 21 [ 665.128185][ T9204] IPVS: ftp: loaded support on port[0] = 21 [ 665.130106][ T9207] IPVS: ftp: loaded support on port[0] = 21 [ 665.151581][ T9198] IPVS: ftp: loaded support on port[0] = 21 [ 665.321539][ T9203] chnl_net:caif_netlink_parms(): no params data found [ 665.380277][ T9206] chnl_net:caif_netlink_parms(): no params data found [ 665.443966][ T9206] bridge0: port 1(bridge_slave_0) entered blocking state [ 665.451926][ T9206] bridge0: port 1(bridge_slave_0) entered disabled state [ 665.460331][ T9206] device bridge_slave_0 entered promiscuous mode [ 665.468453][ T9203] bridge0: port 1(bridge_slave_0) entered blocking state [ 665.476278][ T9203] bridge0: port 1(bridge_slave_0) entered disabled state [ 665.483878][ T9203] device bridge_slave_0 entered promiscuous mode [ 665.530583][ T9206] bridge0: port 2(bridge_slave_1) entered blocking state [ 665.537752][ T9206] bridge0: port 2(bridge_slave_1) entered disabled state [ 665.546819][ T9206] device bridge_slave_1 entered promiscuous mode [ 665.554145][ T9203] bridge0: port 2(bridge_slave_1) entered blocking state [ 665.561413][ T9203] bridge0: port 2(bridge_slave_1) entered disabled state [ 665.569159][ T9203] device bridge_slave_1 entered promiscuous mode [ 665.597618][ T9204] chnl_net:caif_netlink_parms(): no params data found [ 665.628204][ T9203] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 665.664038][ T9206] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 665.676197][ T9203] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 665.712767][ T9206] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 665.762556][ T9201] chnl_net:caif_netlink_parms(): no params data found [ 665.794227][ T9203] team0: Port device team_slave_0 added [ 665.821928][ T9204] bridge0: port 1(bridge_slave_0) entered blocking state [ 665.829138][ T9204] bridge0: port 1(bridge_slave_0) entered disabled state [ 665.837177][ T9204] device bridge_slave_0 entered promiscuous mode [ 665.853608][ T9203] team0: Port device team_slave_1 added [ 665.866646][ T9206] team0: Port device team_slave_0 added [ 665.873079][ T9204] bridge0: port 2(bridge_slave_1) entered blocking state [ 665.883737][ T9204] bridge0: port 2(bridge_slave_1) entered disabled state [ 665.891650][ T9204] device bridge_slave_1 entered promiscuous mode [ 665.915105][ T9207] chnl_net:caif_netlink_parms(): no params data found [ 665.934469][ T9206] team0: Port device team_slave_1 added [ 665.947930][ T9198] chnl_net:caif_netlink_parms(): no params data found [ 665.958237][ T9204] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 665.971569][ T9204] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 666.099972][ T9206] device hsr_slave_0 entered promiscuous mode [ 666.145749][ T9206] device hsr_slave_1 entered promiscuous mode [ 666.188978][ T9204] team0: Port device team_slave_0 added [ 666.201334][ T9204] team0: Port device team_slave_1 added [ 666.268570][ T9203] device hsr_slave_0 entered promiscuous mode [ 666.305612][ T9203] device hsr_slave_1 entered promiscuous mode [ 666.355365][ T9203] debugfs: Directory 'hsr0' with parent '/' already present! [ 666.372023][ T9201] bridge0: port 1(bridge_slave_0) entered blocking state [ 666.379313][ T9201] bridge0: port 1(bridge_slave_0) entered disabled state [ 666.389976][ T9201] device bridge_slave_0 entered promiscuous mode [ 666.398640][ T9198] bridge0: port 1(bridge_slave_0) entered blocking state [ 666.406293][ T9198] bridge0: port 1(bridge_slave_0) entered disabled state [ 666.413942][ T9198] device bridge_slave_0 entered promiscuous mode [ 666.421922][ T9207] bridge0: port 1(bridge_slave_0) entered blocking state [ 666.429431][ T9207] bridge0: port 1(bridge_slave_0) entered disabled state [ 666.438207][ T9207] device bridge_slave_0 entered promiscuous mode [ 666.446260][ T9207] bridge0: port 2(bridge_slave_1) entered blocking state [ 666.453324][ T9207] bridge0: port 2(bridge_slave_1) entered disabled state [ 666.461398][ T9207] device bridge_slave_1 entered promiscuous mode [ 666.486067][ T9201] bridge0: port 2(bridge_slave_1) entered blocking state [ 666.493172][ T9201] bridge0: port 2(bridge_slave_1) entered disabled state [ 666.502070][ T9201] device bridge_slave_1 entered promiscuous mode [ 666.509321][ T9198] bridge0: port 2(bridge_slave_1) entered blocking state [ 666.516951][ T9198] bridge0: port 2(bridge_slave_1) entered disabled state [ 666.524643][ T9198] device bridge_slave_1 entered promiscuous mode [ 666.608640][ T9204] device hsr_slave_0 entered promiscuous mode [ 666.675484][ T9204] device hsr_slave_1 entered promiscuous mode [ 666.745374][ T9204] debugfs: Directory 'hsr0' with parent '/' already present! [ 666.800760][ T9203] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 666.864889][ T9201] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 666.876411][ T9207] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 666.889759][ T9207] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 666.904740][ T9203] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 666.948955][ T9198] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 666.961560][ T9201] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 666.992405][ T9203] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 667.039154][ T9198] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 667.077637][ T9203] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 667.154106][ T9206] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 667.198895][ T9201] team0: Port device team_slave_0 added [ 667.204757][ T9206] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 667.261845][ T9207] team0: Port device team_slave_0 added [ 667.267777][ T9204] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 667.328719][ T9198] team0: Port device team_slave_0 added [ 667.339947][ T9198] team0: Port device team_slave_1 added [ 667.346993][ T9201] team0: Port device team_slave_1 added [ 667.353118][ T9206] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 667.419621][ T9207] team0: Port device team_slave_1 added [ 667.437057][ T9204] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 667.503194][ T9206] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 667.563954][ T9204] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 667.623773][ T9204] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 667.728773][ T9207] device hsr_slave_0 entered promiscuous mode [ 667.795619][ T9207] device hsr_slave_1 entered promiscuous mode [ 667.845557][ T9207] debugfs: Directory 'hsr0' with parent '/' already present! [ 667.888500][ T9198] device hsr_slave_0 entered promiscuous mode [ 667.956657][ T9198] device hsr_slave_1 entered promiscuous mode [ 667.995396][ T9198] debugfs: Directory 'hsr0' with parent '/' already present! [ 668.057411][ T9201] device hsr_slave_0 entered promiscuous mode [ 668.095738][ T9201] device hsr_slave_1 entered promiscuous mode [ 668.165311][ T9201] debugfs: Directory 'hsr0' with parent '/' already present! [ 668.263984][ T9201] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 668.327346][ T9201] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 668.377600][ T9207] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 668.428971][ T9198] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 668.488949][ T9198] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 668.548087][ T9198] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 668.597769][ T9201] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 668.636623][ T9207] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 668.691680][ T9207] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 668.753728][ T9198] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 668.808985][ T9201] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 668.864889][ T9207] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 669.027738][ T9204] 8021q: adding VLAN 0 to HW filter on device bond0 [ 669.047003][ T9203] 8021q: adding VLAN 0 to HW filter on device bond0 [ 669.068281][ T9206] 8021q: adding VLAN 0 to HW filter on device bond0 [ 669.096451][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 669.104603][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 669.123326][ T9204] 8021q: adding VLAN 0 to HW filter on device team0 [ 669.148324][ T9198] 8021q: adding VLAN 0 to HW filter on device bond0 [ 669.173203][ T9212] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 669.181013][ T9212] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 669.189397][ T9212] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 669.197612][ T9212] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 669.208081][ T9203] 8021q: adding VLAN 0 to HW filter on device team0 [ 669.223104][ T9206] 8021q: adding VLAN 0 to HW filter on device team0 [ 669.232633][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 669.244882][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 669.253637][ T9219] bridge0: port 1(bridge_slave_0) entered blocking state [ 669.260866][ T9219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 669.270131][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 669.297350][ T9198] 8021q: adding VLAN 0 to HW filter on device team0 [ 669.308245][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 669.320754][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 669.329962][ T3087] bridge0: port 1(bridge_slave_0) entered blocking state [ 669.337064][ T3087] bridge0: port 1(bridge_slave_0) entered forwarding state [ 669.346371][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 669.353990][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 669.361967][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 669.371224][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 669.379745][ T3087] bridge0: port 2(bridge_slave_1) entered blocking state [ 669.386840][ T3087] bridge0: port 2(bridge_slave_1) entered forwarding state [ 669.394565][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 669.404231][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 669.414375][ T9201] 8021q: adding VLAN 0 to HW filter on device bond0 [ 669.427458][ T9207] 8021q: adding VLAN 0 to HW filter on device bond0 [ 669.434295][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 669.444253][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 669.452726][ T2765] bridge0: port 1(bridge_slave_0) entered blocking state [ 669.459791][ T2765] bridge0: port 1(bridge_slave_0) entered forwarding state [ 669.468400][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 669.507840][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 669.521399][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 669.530389][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 669.538846][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 669.548121][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 669.558585][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 669.567582][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 669.576096][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 669.584746][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 669.593396][ T2765] bridge0: port 1(bridge_slave_0) entered blocking state [ 669.600546][ T2765] bridge0: port 1(bridge_slave_0) entered forwarding state [ 669.609020][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 669.617753][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 669.626554][ T2765] bridge0: port 2(bridge_slave_1) entered blocking state [ 669.633603][ T2765] bridge0: port 2(bridge_slave_1) entered forwarding state [ 669.641450][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 669.650066][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 669.658688][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 669.666799][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 669.674563][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 669.682886][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 669.690973][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 669.699623][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 669.708654][ T2765] bridge0: port 2(bridge_slave_1) entered blocking state [ 669.715726][ T2765] bridge0: port 2(bridge_slave_1) entered forwarding state [ 669.725871][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 669.733772][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 669.742159][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 669.751257][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 669.760584][ T2765] bridge0: port 2(bridge_slave_1) entered blocking state [ 669.767803][ T2765] bridge0: port 2(bridge_slave_1) entered forwarding state [ 669.789290][ T9201] 8021q: adding VLAN 0 to HW filter on device team0 [ 669.808377][ T9207] 8021q: adding VLAN 0 to HW filter on device team0 [ 669.818690][ T9204] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 669.831411][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 669.841314][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 669.850224][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 669.862967][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 669.871467][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 669.880212][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 669.889894][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 669.905960][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 669.914565][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 669.923972][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 669.933616][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 669.943314][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 669.952087][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 669.961063][ T9219] bridge0: port 1(bridge_slave_0) entered blocking state [ 669.968197][ T9219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 669.976044][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 669.984640][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 669.994442][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 670.002797][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 670.041561][ T9198] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 670.055148][ T9198] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 670.078051][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 670.086118][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 670.093817][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 670.102437][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 670.111436][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 670.120598][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 670.129567][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 670.137981][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 670.146837][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 670.155396][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 670.163926][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 670.172997][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 670.181623][ T9220] bridge0: port 2(bridge_slave_1) entered blocking state [ 670.188744][ T9220] bridge0: port 2(bridge_slave_1) entered forwarding state [ 670.198074][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 670.206974][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 670.215509][ T9220] bridge0: port 1(bridge_slave_0) entered blocking state [ 670.222576][ T9220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 670.230264][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 670.241327][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 670.249872][ T9220] bridge0: port 2(bridge_slave_1) entered blocking state [ 670.256960][ T9220] bridge0: port 2(bridge_slave_1) entered forwarding state [ 670.264643][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 670.274065][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 670.282122][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 670.291412][ T9206] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 670.305499][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 670.314146][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 670.334508][ T9198] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 670.347518][ T9204] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 670.377150][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 670.384734][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 670.393582][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 670.402769][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 670.413048][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 670.421940][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 670.430482][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 670.440492][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 670.449223][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 670.458415][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 670.466873][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 670.476332][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 670.484826][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 670.493078][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 670.547299][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 670.558472][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 670.568164][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 670.576989][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 670.586588][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 670.595835][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 670.604384][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 670.613012][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 670.621855][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 670.631368][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 670.639119][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 670.655683][ T9212] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 670.665897][ T9212] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 670.674397][ T9212] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 670.684031][ T9212] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 670.694335][ T9212] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 670.711035][ T9203] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 670.721724][ T9201] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 670.737126][ T9206] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 670.756465][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 670.764937][ T9219] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 670.792162][ T9207] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 670.806933][ T9207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 670.903614][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 670.904237][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 670.904788][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 670.904901][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 670.909391][ T9207] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 670.948707][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 670.948837][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 670.948921][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 670.949013][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 670.967171][ T9203] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 670.990001][ T9201] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/12/29 11:22:16 executed programs: 6 2019/12/29 11:22:21 executed programs: 125 2019/12/29 11:22:26 executed programs: 247 2019/12/29 11:22:31 executed programs: 367 [ 689.393520][T11275] ================================================================== [ 689.402076][T11275] BUG: KASAN: use-after-free in n_tty_receive_buf_common+0x270f/0x2b70 [ 689.410409][T11275] Read of size 1 at addr ffff88808d9ac010 by task syz-executor.0/11275 [ 689.410422][T11275] [ 689.410437][T11275] CPU: 1 PID: 11275 Comm: syz-executor.0 Not tainted 5.5.0-rc3-syzkaller #0 [ 689.410445][T11275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 689.410450][T11275] Call Trace: [ 689.410503][T11275] dump_stack+0x197/0x210 [ 689.410526][T11275] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 689.459580][T11275] print_address_description.constprop.0.cold+0xd4/0x30b [ 689.466815][T11275] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 689.466836][T11275] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 689.480402][T11275] __kasan_report.cold+0x1b/0x41 [ 689.480426][T11275] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 689.480444][T11275] kasan_report+0x12/0x20 [ 689.480462][T11275] __asan_report_load1_noabort+0x14/0x20 [ 689.480479][T11275] n_tty_receive_buf_common+0x270f/0x2b70 [ 689.480493][T11275] ? __kasan_check_read+0x11/0x20 [ 689.480532][T11275] n_tty_receive_buf2+0x34/0x40 [ 689.480552][T11275] tty_ldisc_receive_buf+0xad/0x1c0 [ 689.480632][T11275] ? add_wait_queue+0x112/0x170 [ 689.480648][T11275] ? n_tty_receive_buf_common+0x2b70/0x2b70 [ 689.480694][T11275] paste_selection+0x1ff/0x460 [ 689.480716][T11275] ? vcs_remove_sysfs+0x60/0x60 [ 689.480800][T11275] ? lock_downgrade+0x920/0x920 [ 689.480896][T11275] ? wake_up_q+0x140/0x140 [ 689.480951][T11275] tioclinux+0x133/0x480 [ 689.480967][T11275] vt_ioctl+0x1a41/0x26d0 [ 689.480983][T11275] ? complete_change_console+0x3a0/0x3a0 [ 689.480996][T11275] ? lock_downgrade+0x920/0x920 [ 689.481013][T11275] ? rwlock_bug.part.0+0x90/0x90 [ 689.481056][T11275] ? tomoyo_path_number_perm+0x214/0x520 [ 689.481070][T11275] ? find_held_lock+0x35/0x130 [ 689.481086][T11275] ? tomoyo_path_number_perm+0x214/0x520 [ 689.481145][T11275] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 689.481162][T11275] ? tty_jobctrl_ioctl+0x50/0xd40 [ 689.481174][T11275] ? complete_change_console+0x3a0/0x3a0 [ 689.481190][T11275] tty_ioctl+0xa37/0x14f0 [ 689.481210][T11275] ? tty_vhangup+0x30/0x30 [ 689.481223][T11275] ? tomoyo_path_number_perm+0x454/0x520 [ 689.481244][T11275] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 689.481274][T11275] ? tomoyo_path_number_perm+0x25e/0x520 [ 689.481291][T11275] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 689.481319][T11275] ? tty_vhangup+0x30/0x30 [ 689.481356][T11275] do_vfs_ioctl+0x977/0x14e0 [ 689.481373][T11275] ? compat_ioctl_preallocate+0x220/0x220 [ 689.481394][T11275] ? __fget+0x37f/0x550 [ 689.481416][T11275] ? ksys_dup3+0x3e0/0x3e0 [ 689.481480][T11275] ? ns_to_kernel_old_timeval+0x100/0x100 [ 689.481503][T11275] ? tomoyo_file_ioctl+0x23/0x30 [ 689.481520][T11275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.481556][T11275] ? security_file_ioctl+0x8d/0xc0 [ 689.481574][T11275] ksys_ioctl+0xab/0xd0 [ 689.481593][T11275] __x64_sys_ioctl+0x73/0xb0 [ 689.481630][T11275] do_syscall_64+0xfa/0x790 [ 689.481669][T11275] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 689.481681][T11275] RIP: 0033:0x45a919 [ 689.481696][T11275] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 689.481704][T11275] RSP: 002b:00007f4141a55c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 689.481719][T11275] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a919 [ 689.481728][T11275] RDX: 0000000020000100 RSI: 000000000000541c RDI: 0000000000000004 [ 689.481737][T11275] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 689.481746][T11275] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4141a566d4 [ 689.481755][T11275] R13: 00000000004c5c8b R14: 00000000004dc080 R15: 00000000ffffffff [ 689.481774][T11275] [ 689.481782][T11275] Allocated by task 11266: [ 689.481795][T11275] save_stack+0x23/0x90 [ 689.481808][T11275] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 689.481820][T11275] kasan_kmalloc+0x9/0x10 [ 689.481830][T11275] __kmalloc+0x163/0x770 [ 689.481842][T11275] set_selection_kernel+0x872/0x13b0 [ 689.481854][T11275] set_selection_user+0x95/0xd9 [ 689.481867][T11275] tioclinux+0x11c/0x480 [ 689.481877][T11275] vt_ioctl+0x1a41/0x26d0 [ 689.481890][T11275] tty_ioctl+0xa37/0x14f0 [ 689.481903][T11275] do_vfs_ioctl+0x977/0x14e0 [ 689.481915][T11275] ksys_ioctl+0xab/0xd0 [ 689.481927][T11275] __x64_sys_ioctl+0x73/0xb0 [ 689.481941][T11275] do_syscall_64+0xfa/0x790 [ 689.481953][T11275] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 689.481957][T11275] [ 689.481963][T11275] Freed by task 11277: [ 689.481973][T11275] save_stack+0x23/0x90 [ 689.481986][T11275] __kasan_slab_free+0x102/0x150 [ 689.481998][T11275] kasan_slab_free+0xe/0x10 [ 689.482009][T11275] kfree+0x10a/0x2c0 [ 689.482021][T11275] set_selection_kernel+0x88f/0x13b0 [ 689.482033][T11275] set_selection_user+0x95/0xd9 [ 689.482047][T11275] tioclinux+0x11c/0x480 [ 689.482059][T11275] vt_ioctl+0x1a41/0x26d0 [ 689.482071][T11275] tty_ioctl+0xa37/0x14f0 [ 689.482084][T11275] do_vfs_ioctl+0x977/0x14e0 [ 689.482096][T11275] ksys_ioctl+0xab/0xd0 [ 689.482107][T11275] __x64_sys_ioctl+0x73/0xb0 [ 689.482121][T11275] do_syscall_64+0xfa/0x790 [ 689.482134][T11275] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 689.482138][T11275] [ 689.482155][T11275] The buggy address belongs to the object at ffff88808d9ac000 [ 689.482155][T11275] which belongs to the cache kmalloc-8k of size 8192 [ 689.482168][T11275] The buggy address is located 16 bytes inside of [ 689.482168][T11275] 8192-byte region [ffff88808d9ac000, ffff88808d9ae000) [ 689.482172][T11275] The buggy address belongs to the page: [ 689.482188][T11275] page:ffffea0002366b00 refcount:1 mapcount:0 mapping:ffff8880aa4021c0 index:0x0 compound_mapcount: 0 [ 689.482208][T11275] raw: 00fffe0000010200 ffffea0002540708 ffffea00025f0208 ffff8880aa4021c0 [ 689.482254][T11275] raw: 0000000000000000 ffff88808d9ac000 0000000100000001 0000000000000000 [ 689.482267][T11275] page dumped because: kasan: bad access detected [ 689.482271][T11275] [ 689.482276][T11275] Memory state around the buggy address: [ 689.482287][T11275] ffff88808d9abf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 689.482299][T11275] ffff88808d9abf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 689.482311][T11275] >ffff88808d9ac000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 689.482316][T11275] ^ [ 689.482328][T11275] ffff88808d9ac080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 689.482340][T11275] ffff88808d9ac100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 689.482345][T11275] ================================================================== [ 689.482350][T11275] Disabling lock debugging due to kernel taint [ 689.499007][ T4257] kobject: 'loop2' (00000000cbf646e4): kobject_uevent_env [ 689.499029][ T4257] kobject: 'loop2' (00000000cbf646e4): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 689.499812][ T4257] kobject: 'loop3' (00000000f3d7ffbc): kobject_uevent_env [ 689.499831][ T4257] kobject: 'loop3' (00000000f3d7ffbc): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 689.500599][ T4257] kobject: 'loop1' (00000000928e8fe7): kobject_uevent_env [ 689.500618][ T4257] kobject: 'loop1' (00000000928e8fe7): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 689.562853][T11275] Kernel panic - not syncing: panic_on_warn set ... [ 690.192716][T11275] CPU: 0 PID: 11275 Comm: syz-executor.0 Tainted: G B 5.5.0-rc3-syzkaller #0 [ 690.192723][T11275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 690.192726][T11275] Call Trace: [ 690.192746][T11275] dump_stack+0x197/0x210 [ 690.192807][T11275] panic+0x2e3/0x75c [ 690.192818][T11275] ? add_taint.cold+0x16/0x16 [ 690.192832][T11275] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 690.192864][T11275] ? preempt_schedule+0x4b/0x60 [ 690.192876][T11275] ? ___preempt_schedule+0x16/0x18 [ 690.192909][T11275] ? trace_hardirqs_on+0x5e/0x240 [ 690.192922][T11275] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 690.192933][T11275] end_report+0x47/0x4f [ 690.192943][T11275] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 690.192953][T11275] __kasan_report.cold+0xe/0x41 [ 690.192965][T11275] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 690.192975][T11275] kasan_report+0x12/0x20 [ 690.192986][T11275] __asan_report_load1_noabort+0x14/0x20 [ 690.192997][T11275] n_tty_receive_buf_common+0x270f/0x2b70 [ 690.193007][T11275] ? __kasan_check_read+0x11/0x20 [ 690.193024][T11275] n_tty_receive_buf2+0x34/0x40 [ 690.193036][T11275] tty_ldisc_receive_buf+0xad/0x1c0 [ 690.193046][T11275] ? add_wait_queue+0x112/0x170 [ 690.193057][T11275] ? n_tty_receive_buf_common+0x2b70/0x2b70 [ 690.193067][T11275] paste_selection+0x1ff/0x460 [ 690.193079][T11275] ? vcs_remove_sysfs+0x60/0x60 [ 690.193089][T11275] ? lock_downgrade+0x920/0x920 [ 690.193100][T11275] ? wake_up_q+0x140/0x140 [ 690.193115][T11275] tioclinux+0x133/0x480 [ 690.193124][T11275] vt_ioctl+0x1a41/0x26d0 [ 690.193134][T11275] ? complete_change_console+0x3a0/0x3a0 [ 690.193143][T11275] ? lock_downgrade+0x920/0x920 [ 690.193154][T11275] ? rwlock_bug.part.0+0x90/0x90 [ 690.193167][T11275] ? tomoyo_path_number_perm+0x214/0x520 [ 690.193176][T11275] ? find_held_lock+0x35/0x130 [ 690.193186][T11275] ? tomoyo_path_number_perm+0x214/0x520 [ 690.193198][T11275] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 690.193208][T11275] ? tty_jobctrl_ioctl+0x50/0xd40 [ 690.193218][T11275] ? complete_change_console+0x3a0/0x3a0 [ 690.193228][T11275] tty_ioctl+0xa37/0x14f0 [ 690.193239][T11275] ? tty_vhangup+0x30/0x30 [ 690.193248][T11275] ? tomoyo_path_number_perm+0x454/0x520 [ 690.193260][T11275] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 690.193270][T11275] ? tomoyo_path_number_perm+0x25e/0x520 [ 690.193282][T11275] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 690.193298][T11275] ? tty_vhangup+0x30/0x30 [ 690.193308][T11275] do_vfs_ioctl+0x977/0x14e0 [ 690.193320][T11275] ? compat_ioctl_preallocate+0x220/0x220 [ 690.193329][T11275] ? __fget+0x37f/0x550 [ 690.193340][T11275] ? ksys_dup3+0x3e0/0x3e0 [ 690.193351][T11275] ? ns_to_kernel_old_timeval+0x100/0x100 [ 690.193363][T11275] ? tomoyo_file_ioctl+0x23/0x30 [ 690.193374][T11275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.193383][T11275] ? security_file_ioctl+0x8d/0xc0 [ 690.193393][T11275] ksys_ioctl+0xab/0xd0 [ 690.193404][T11275] __x64_sys_ioctl+0x73/0xb0 [ 690.193415][T11275] do_syscall_64+0xfa/0x790 [ 690.193427][T11275] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 690.193435][T11275] RIP: 0033:0x45a919 [ 690.193448][T11275] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 690.193453][T11275] RSP: 002b:00007f4141a55c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 690.193463][T11275] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a919 [ 690.193469][T11275] RDX: 0000000020000100 RSI: 000000000000541c RDI: 0000000000000004 [ 690.193475][T11275] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 690.193481][T11275] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4141a566d4 [ 690.193487][T11275] R13: 00000000004c5c8b R14: 00000000004dc080 R15: 00000000ffffffff [ 690.194993][T11275] Kernel Offset: disabled [ 690.570216][T11275] Rebooting in 86400 seconds..