[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 68.361818][ T27] audit: type=1800 audit(1577676876.042:25): pid=9367 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 68.382665][ T27] audit: type=1800 audit(1577676876.042:26): pid=9367 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 68.420641][ T27] audit: type=1800 audit(1577676876.062:27): pid=9367 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 '10.128.1.15' (ECDSA) to the list of known hosts. 2019/12/30 03:59:23 parsed 1 programs 2019/12/30 03:59:25 executed programs: 0 syzkaller login: [ 1558.160011][ T9540] IPVS: ftp: loaded support on port[0] = 21 [ 1558.177728][ T9539] IPVS: ftp: loaded support on port[0] = 21 [ 1558.178764][ T9544] IPVS: ftp: loaded support on port[0] = 21 [ 1558.196779][ T9547] IPVS: ftp: loaded support on port[0] = 21 [ 1558.219757][ T9548] IPVS: ftp: loaded support on port[0] = 21 [ 1558.250213][ T9545] IPVS: ftp: loaded support on port[0] = 21 [ 1558.560765][ T9547] chnl_net:caif_netlink_parms(): no params data found [ 1558.575337][ T9540] chnl_net:caif_netlink_parms(): no params data found [ 1558.601261][ T9545] chnl_net:caif_netlink_parms(): no params data found [ 1558.618005][ T9539] chnl_net:caif_netlink_parms(): no params data found [ 1558.710528][ T9540] bridge0: port 1(bridge_slave_0) entered blocking state [ 1558.719759][ T9540] bridge0: port 1(bridge_slave_0) entered disabled state [ 1558.728153][ T9540] device bridge_slave_0 entered promiscuous mode [ 1558.777093][ T9540] bridge0: port 2(bridge_slave_1) entered blocking state [ 1558.785678][ T9540] bridge0: port 2(bridge_slave_1) entered disabled state [ 1558.793561][ T9540] device bridge_slave_1 entered promiscuous mode [ 1558.847510][ T9547] bridge0: port 1(bridge_slave_0) entered blocking state [ 1558.855831][ T9547] bridge0: port 1(bridge_slave_0) entered disabled state [ 1558.863756][ T9547] device bridge_slave_0 entered promiscuous mode [ 1558.876715][ T9547] bridge0: port 2(bridge_slave_1) entered blocking state [ 1558.884844][ T9547] bridge0: port 2(bridge_slave_1) entered disabled state [ 1558.892783][ T9547] device bridge_slave_1 entered promiscuous mode [ 1558.899838][ T9548] chnl_net:caif_netlink_parms(): no params data found [ 1558.917665][ T9545] bridge0: port 1(bridge_slave_0) entered blocking state [ 1558.925030][ T9545] bridge0: port 1(bridge_slave_0) entered disabled state [ 1558.933143][ T9545] device bridge_slave_0 entered promiscuous mode [ 1558.942222][ T9540] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1558.951360][ T9545] bridge0: port 2(bridge_slave_1) entered blocking state [ 1558.961795][ T9545] bridge0: port 2(bridge_slave_1) entered disabled state [ 1558.969542][ T9545] device bridge_slave_1 entered promiscuous mode [ 1558.977513][ T9539] bridge0: port 1(bridge_slave_0) entered blocking state [ 1558.984697][ T9539] bridge0: port 1(bridge_slave_0) entered disabled state [ 1558.993110][ T9539] device bridge_slave_0 entered promiscuous mode [ 1559.016325][ T9544] chnl_net:caif_netlink_parms(): no params data found [ 1559.029908][ T9540] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1559.046654][ T9539] bridge0: port 2(bridge_slave_1) entered blocking state [ 1559.054253][ T9539] bridge0: port 2(bridge_slave_1) entered disabled state [ 1559.062819][ T9539] device bridge_slave_1 entered promiscuous mode [ 1559.071379][ T9547] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1559.106329][ T9545] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1559.127230][ T9547] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1559.156391][ T9545] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1559.190854][ T9540] team0: Port device team_slave_0 added [ 1559.210903][ T9539] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1559.235651][ T9539] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1559.246202][ T9540] team0: Port device team_slave_1 added [ 1559.252696][ T9548] bridge0: port 1(bridge_slave_0) entered blocking state [ 1559.259759][ T9548] bridge0: port 1(bridge_slave_0) entered disabled state [ 1559.270884][ T9548] device bridge_slave_0 entered promiscuous mode [ 1559.288178][ T9547] team0: Port device team_slave_0 added [ 1559.315804][ T9548] bridge0: port 2(bridge_slave_1) entered blocking state [ 1559.323646][ T9548] bridge0: port 2(bridge_slave_1) entered disabled state [ 1559.331324][ T9548] device bridge_slave_1 entered promiscuous mode [ 1559.340711][ T9545] team0: Port device team_slave_0 added [ 1559.348944][ T9547] team0: Port device team_slave_1 added [ 1559.355061][ T9544] bridge0: port 1(bridge_slave_0) entered blocking state [ 1559.362447][ T9544] bridge0: port 1(bridge_slave_0) entered disabled state [ 1559.370171][ T9544] device bridge_slave_0 entered promiscuous mode [ 1559.387213][ T9539] team0: Port device team_slave_0 added [ 1559.400219][ T9539] team0: Port device team_slave_1 added [ 1559.408292][ T9545] team0: Port device team_slave_1 added [ 1559.415054][ T9544] bridge0: port 2(bridge_slave_1) entered blocking state [ 1559.424883][ T9544] bridge0: port 2(bridge_slave_1) entered disabled state [ 1559.433359][ T9544] device bridge_slave_1 entered promiscuous mode [ 1559.468056][ T9544] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1559.489741][ T9548] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1559.535292][ T9540] device hsr_slave_0 entered promiscuous mode [ 1559.571963][ T9540] device hsr_slave_1 entered promiscuous mode [ 1559.633310][ T9544] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1559.677968][ T9548] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1559.754958][ T9539] device hsr_slave_0 entered promiscuous mode [ 1559.793102][ T9539] device hsr_slave_1 entered promiscuous mode [ 1559.841689][ T9539] debugfs: Directory 'hsr0' with parent '/' already present! [ 1559.884383][ T9547] device hsr_slave_0 entered promiscuous mode [ 1559.922058][ T9547] device hsr_slave_1 entered promiscuous mode [ 1559.961669][ T9547] debugfs: Directory 'hsr0' with parent '/' already present! [ 1559.997504][ T9544] team0: Port device team_slave_0 added [ 1560.006545][ T9544] team0: Port device team_slave_1 added [ 1560.035024][ T9548] team0: Port device team_slave_0 added [ 1560.064180][ T9545] device hsr_slave_0 entered promiscuous mode [ 1560.112065][ T9545] device hsr_slave_1 entered promiscuous mode [ 1560.171754][ T9545] debugfs: Directory 'hsr0' with parent '/' already present! [ 1560.221163][ T9548] team0: Port device team_slave_1 added [ 1560.295203][ T9544] device hsr_slave_0 entered promiscuous mode [ 1560.332017][ T9544] device hsr_slave_1 entered promiscuous mode [ 1560.381585][ T9544] debugfs: Directory 'hsr0' with parent '/' already present! [ 1560.475029][ T9548] device hsr_slave_0 entered promiscuous mode [ 1560.512159][ T9548] device hsr_slave_1 entered promiscuous mode [ 1560.551714][ T9548] debugfs: Directory 'hsr0' with parent '/' already present! [ 1560.559653][ T9540] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 1560.630922][ T9545] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1560.708411][ T9545] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1560.764722][ T9547] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 1560.826831][ T9547] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 1560.893142][ T9540] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 1560.943723][ T9539] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 1561.006855][ T9545] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1561.069661][ T9545] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1561.113100][ T9547] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 1561.153031][ T9540] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 1561.204119][ T9539] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 1561.243856][ T9548] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 1561.293139][ T9547] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 1561.343882][ T9540] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 1561.384002][ T9539] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 1561.424550][ T9539] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 1561.495317][ T9548] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 1561.550641][ T9548] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 1561.605690][ T9548] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 1561.663106][ T9544] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1561.715327][ T9544] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1561.757541][ T9544] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1561.819730][ T9544] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1562.074572][ T9547] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1562.103888][ T9545] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1562.129301][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1562.138818][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1562.155953][ T9544] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1562.173416][ T9540] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1562.190935][ T9545] 8021q: adding VLAN 0 to HW filter on device team0 [ 1562.203967][ T9548] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1562.218976][ T9544] 8021q: adding VLAN 0 to HW filter on device team0 [ 1562.229368][ T9547] 8021q: adding VLAN 0 to HW filter on device team0 [ 1562.237408][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1562.246257][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1562.256229][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1562.264382][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1562.283455][ T9539] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1562.290327][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1562.298729][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1562.327971][ T9540] 8021q: adding VLAN 0 to HW filter on device team0 [ 1562.338200][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1562.348095][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1562.357167][ T9549] bridge0: port 1(bridge_slave_0) entered blocking state [ 1562.364521][ T9549] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1562.373133][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1562.381842][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1562.390189][ T9549] bridge0: port 1(bridge_slave_0) entered blocking state [ 1562.397320][ T9549] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1562.405577][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1562.414432][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1562.423162][ T9549] bridge0: port 1(bridge_slave_0) entered blocking state [ 1562.430503][ T9549] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1562.438295][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1562.447765][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1562.456372][ T9549] bridge0: port 2(bridge_slave_1) entered blocking state [ 1562.463478][ T9549] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1562.471061][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1562.479854][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1562.488568][ T9549] bridge0: port 2(bridge_slave_1) entered blocking state [ 1562.495939][ T9549] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1562.507027][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1562.515110][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1562.523566][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1562.558869][ T9539] 8021q: adding VLAN 0 to HW filter on device team0 [ 1562.569188][ T9550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1562.578078][ T9550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1562.587278][ T9550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1562.597235][ T9550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1562.606675][ T9550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1562.615694][ T9550] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1562.624574][ T9550] bridge0: port 1(bridge_slave_0) entered blocking state [ 1562.631722][ T9550] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1562.639317][ T9550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1562.648314][ T9550] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1562.656900][ T9550] bridge0: port 2(bridge_slave_1) entered blocking state [ 1562.664031][ T9550] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1562.672660][ T9550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1562.681251][ T9550] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1562.689880][ T9550] bridge0: port 2(bridge_slave_1) entered blocking state [ 1562.696994][ T9550] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1562.704972][ T9550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1562.712977][ T9550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1562.756506][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1562.764851][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1562.774792][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1562.787473][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1562.797031][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1562.806257][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1562.814923][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1562.823991][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1562.832863][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1562.841140][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1562.849872][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1562.858272][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1562.867232][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1562.876432][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1562.886778][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1562.895670][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1562.904598][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 1562.911815][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1562.919494][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1562.928879][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1562.936894][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1562.968372][ T9548] 8021q: adding VLAN 0 to HW filter on device team0 [ 1562.979123][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1562.987209][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1562.995303][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1563.004851][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1563.014761][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1563.023404][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1563.033692][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1563.042167][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1563.050455][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1563.058830][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1563.067877][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1563.076385][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1563.085651][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1563.094352][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1563.103145][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1563.111936][ T9552] bridge0: port 2(bridge_slave_1) entered blocking state [ 1563.119014][ T9552] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1563.126688][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1563.135907][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1563.145994][ T9545] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1563.191116][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1563.199507][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1563.211216][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1563.220171][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1563.228607][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1563.237673][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1563.246641][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1563.255891][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1563.264354][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1563.273282][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1563.281845][ T9552] bridge0: port 1(bridge_slave_0) entered blocking state [ 1563.288968][ T9552] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1563.296682][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1563.305487][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1563.314371][ T9552] bridge0: port 2(bridge_slave_1) entered blocking state [ 1563.321579][ T9552] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1563.329552][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1563.339298][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1563.348082][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1563.356509][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1563.366647][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1563.374779][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1563.413441][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1563.425760][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1563.434663][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1563.443691][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1563.452576][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1563.460940][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1563.469479][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1563.479310][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1563.487887][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1563.497103][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1563.510749][ T9544] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1563.524965][ T9544] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1563.546634][ T9540] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1563.563415][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1563.572665][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1563.581059][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1563.589801][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1563.598423][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1563.607322][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1563.617539][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1563.634215][ T9539] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1563.665706][ T9547] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1563.686493][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1563.694893][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1563.702811][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1563.711349][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1563.720001][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1563.728607][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1563.749955][ T9548] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1563.765942][ T9548] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1563.787858][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1563.797925][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1563.815527][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1563.823138][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1563.830609][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1563.838458][ T9549] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1563.852371][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1563.859948][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1563.874922][ T9545] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1563.890510][ T9540] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1563.909880][ T9544] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1563.948476][ T9548] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1563.963357][ T9539] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1563.983134][ T9561] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1563.991395][ T9561] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready 2019/12/30 03:59:31 executed programs: 6 2019/12/30 03:59:37 executed programs: 128 2019/12/30 03:59:42 executed programs: 255 2019/12/30 03:59:47 executed programs: 369 2019/12/30 03:59:52 executed programs: 497 2019/12/30 03:59:57 executed programs: 625 2019/12/30 04:00:02 executed programs: 741 2019/12/30 04:00:07 executed programs: 866 2019/12/30 04:00:12 executed programs: 990 [ 1763.401769][ T1115] INFO: task syz-executor.5:13813 can't die for more than 143 seconds. [ 1763.401792][ T1115] syz-executor.5 R running task 26472 13813 9547 0x00004006 [ 1763.401879][ T1115] Call Trace: [ 1763.401996][ T1115] __kasan_check_read+0x11/0x20 [ 1763.402032][ T1115] mark_lock+0xc2/0x1220 [ 1763.402077][ T1115] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1763.402097][ T1115] mark_held_locks+0xa4/0xf0 [ 1763.402116][ T1115] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1763.402133][ T1115] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1763.402149][ T1115] lockdep_hardirqs_on+0x421/0x5e0 [ 1763.402185][ T1115] ? retint_kernel+0x2b/0x2b [ 1763.402241][ T1115] trace_hardirqs_on_caller+0x6a/0x240 [ 1763.402263][ T1115] trace_hardirqs_on_thunk+0x1a/0x1c [ 1763.402324][ T1115] ? __this_cpu_preempt_check+0x8a/0x190 [ 1763.402342][ T1115] ? __this_cpu_preempt_check+0x35/0x190 [ 1763.402356][ T1115] retint_kernel+0x2b/0x2b [ 1763.402369][ T1115] RIP: a0000:0xffff888218ce3000 [ 1763.402385][ T1115] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <07> 00 00 00 00 00 00 00 00 20 09 00 ff ff ff ff c1 e0 28 98 80 88 [ 1763.402394][ T1115] RSP: 2717528:00000000ac2167a4 EFLAGS: ac2167a4 ORIG_RAX: 0000000000000000 [ 1763.402409][ T1115] RAX: ffffc900027174a8 RBX: 0000000000000000 RCX: ffffffff83b63450 [ 1763.402419][ T1115] RDX: 00000a0000000000 RSI: 0000000000000000 RDI: ffffffffffffffff [ 1763.402429][ T1115] RBP: ffffc90002717528 R08: ffffffff81755726 R09: 0000000000000040 [ 1763.402440][ T1115] R10: ffffed104318f98b R11: ffff888218c7cc5f R12: ffff888218ce3000 [ 1763.402449][ T1115] R13: ffff8880000a0000 R14: 00000000ac218058 R15: 00000000ac218058 [ 1763.402521][ T1115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1763.402579][ T1115] ? bitfill_aligned+0x2f/0x210 [ 1763.402602][ T1115] ? cfb_fillrect+0x423/0x7c0 [ 1763.402626][ T1115] ? cfb_fillrect+0x7c0/0x7c0 [ 1763.402667][ T1115] ? vga16fb_fillrect+0x6ce/0x19b0 [ 1763.402693][ T1115] ? bit_clear_margins+0x30b/0x530 [ 1763.402712][ T1115] ? bit_bmove+0x270/0x270 [ 1763.402731][ T1115] ? efifb_probe.cold+0x181f/0x181f [ 1763.402762][ T1115] ? fbcon_clear_margins+0x1e9/0x250 [ 1763.402781][ T1115] ? fbcon_switch+0xd7f/0x17f0 [ 1763.402806][ T1115] ? fbcon_set_def_font+0x360/0x360 [ 1763.402837][ T1115] ? fbcon_cursor+0x48c/0x660 [ 1763.402857][ T1115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.402873][ T1115] ? fbcon_set_origin+0x2b/0x50 [ 1763.402888][ T1115] ? fbcon_scrolldelta+0x1220/0x1220 [ 1763.402906][ T1115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.402931][ T1115] ? redraw_screen+0x2b6/0x7d0 [ 1763.402947][ T1115] ? efifb_probe.cold+0x181f/0x181f [ 1763.402964][ T1115] ? respond_string+0x2c0/0x2c0 [ 1763.402983][ T1115] ? fbcon_set_palette+0x3c4/0x4a0 [ 1763.403005][ T1115] ? fbcon_modechanged+0x5c3/0x790 [ 1763.403028][ T1115] ? fbcon_update_vcs+0x42/0x50 [ 1763.403064][ T1115] ? fb_set_var+0xb32/0xdd0 [ 1763.403085][ T1115] ? fb_blank+0x1a0/0x1a0 [ 1763.403101][ T1115] ? lock_acquire+0x190/0x410 [ 1763.403129][ T1115] ? __mutex_lock+0x458/0x13c0 [ 1763.403161][ T1115] ? down+0x70/0x90 [ 1763.403203][ T1115] ? do_fb_ioctl+0x335/0x7d0 [ 1763.403231][ T1115] ? do_fb_ioctl+0x390/0x7d0 [ 1763.403249][ T1115] ? fb_mmap+0x560/0x560 [ 1763.403287][ T1115] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 1763.403305][ T1115] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1763.403356][ T1115] ? do_vfs_ioctl+0x11b/0x1340 [ 1763.403428][ T1115] ? ns_to_kernel_old_timeval+0x100/0x100 [ 1763.403456][ T1115] ? fb_ioctl+0xe6/0x130 [ 1763.403472][ T1115] ? do_fb_ioctl+0x7d0/0x7d0 [ 1763.403489][ T1115] ? ksys_ioctl+0x123/0x180 [ 1763.403509][ T1115] ? __x64_sys_ioctl+0x73/0xb0 [ 1763.403529][ T1115] ? do_syscall_64+0xfa/0x790 [ 1763.403548][ T1115] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1763.403577][ T1115] INFO: task syz-executor.2:13812 can't die for more than 143 seconds. [ 1763.403584][ T1115] syz-executor.2 D28040 13812 9539 0x00000004 [ 1763.403606][ T1115] Call Trace: [ 1763.403626][ T1115] __schedule+0x934/0x1f90 [ 1763.403649][ T1115] ? firmware_map_remove+0x1a0/0x1a0 [ 1763.403663][ T1115] ? lock_downgrade+0x920/0x920 [ 1763.403680][ T1115] ? rwlock_bug.part.0+0x90/0x90 [ 1763.403702][ T1115] schedule+0xdc/0x2b0 [ 1763.403722][ T1115] schedule_preempt_disabled+0x13/0x20 [ 1763.403738][ T1115] __mutex_lock+0x7ab/0x13c0 [ 1763.403760][ T1115] ? fb_release+0x55/0x150 [ 1763.403781][ T1115] ? mutex_trylock+0x2d0/0x2d0 [ 1763.403796][ T1115] ? __kasan_check_read+0x11/0x20 [ 1763.403852][ T1115] ? vfs_lock_file+0xf0/0xf0 [ 1763.403870][ T1115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.403905][ T1115] ? fsnotify+0x7fd/0xbb0 [ 1763.403930][ T1115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1763.403947][ T1115] ? locks_remove_file+0x32f/0x580 [ 1763.403965][ T1115] ? fsnotify_first_mark+0x210/0x210 [ 1763.403987][ T1115] mutex_lock_nested+0x16/0x20 [ 1763.404002][ T1115] ? mutex_lock_nested+0x16/0x20 [ 1763.404015][ T1115] fb_release+0x55/0x150 [ 1763.404056][ T1115] __fput+0x2ff/0x890 [ 1763.404075][ T1115] ? unregister_framebuffer+0x40/0x40 [ 1763.404094][ T1115] ____fput+0x16/0x20 [ 1763.404130][ T1115] task_work_run+0x145/0x1c0 [ 1763.404156][ T1115] exit_to_usermode_loop+0x316/0x380 [ 1763.404177][ T1115] do_syscall_64+0x676/0x790 [ 1763.404196][ T1115] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1763.404207][ T1115] RIP: 0033:0x4144b1 [ 1763.404222][ T1115] Code: 00 48 8b 54 24 48 e9 71 ff ff ff 48 89 5c 24 28 48 8d 42 20 48 89 44 24 30 48 89 04 24 48 89 5c 24 08 e8 52 ed 00 00 48 8b 44 <24> 30 48 89 04 24 48 8b 44 24 28 48 89 44 24 08 e8 0a f0 00 00 48 [ 1763.404231][ T1115] RSP: 002b:00007ffe8ca02980 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 1763.404244][ T1115] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004144b1 [ 1763.404253][ T1115] RDX: 0000001b2fd20000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1763.404263][ T1115] RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff [ 1763.404273][ T1115] R10: 00007ffe8ca02a60 R11: 0000000000000293 R12: 000000000075c9a0 [ 1763.404283][ T1115] R13: 000000000075c9a0 R14: 0000000000760e08 R15: 000000000075bfd4 [ 1763.404310][ T1115] INFO: task syz-executor.2:13812 blocked for more than 143 seconds. [ 1763.404320][ T1115] Not tainted 5.5.0-rc2-next-20191220-syzkaller #0 [ 1763.404327][ T1115] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1763.404333][ T1115] syz-executor.2 D28040 13812 9539 0x00000004 [ 1763.404353][ T1115] Call Trace: [ 1763.404372][ T1115] __schedule+0x934/0x1f90 [ 1763.404395][ T1115] ? firmware_map_remove+0x1a0/0x1a0 [ 1763.404409][ T1115] ? lock_downgrade+0x920/0x920 [ 1763.404426][ T1115] ? rwlock_bug.part.0+0x90/0x90 [ 1763.404448][ T1115] schedule+0xdc/0x2b0 [ 1763.404468][ T1115] schedule_preempt_disabled+0x13/0x20 [ 1763.404484][ T1115] __mutex_lock+0x7ab/0x13c0 [ 1763.404500][ T1115] ? fb_release+0x55/0x150 [ 1763.404521][ T1115] ? mutex_trylock+0x2d0/0x2d0 [ 1763.404536][ T1115] ? __kasan_check_read+0x11/0x20 [ 1763.404553][ T1115] ? vfs_lock_file+0xf0/0xf0 [ 1763.404571][ T1115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.404588][ T1115] ? fsnotify+0x7fd/0xbb0 [ 1763.404611][ T1115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1763.404628][ T1115] ? locks_remove_file+0x32f/0x580 [ 1763.404646][ T1115] ? fsnotify_first_mark+0x210/0x210 [ 1763.404668][ T1115] mutex_lock_nested+0x16/0x20 [ 1763.404684][ T1115] ? mutex_lock_nested+0x16/0x20 [ 1763.404696][ T1115] fb_release+0x55/0x150 [ 1763.404716][ T1115] __fput+0x2ff/0x890 [ 1763.404734][ T1115] ? unregister_framebuffer+0x40/0x40 [ 1763.404759][ T1115] ____fput+0x16/0x20 [ 1763.404776][ T1115] task_work_run+0x145/0x1c0 [ 1763.404801][ T1115] exit_to_usermode_loop+0x316/0x380 [ 1763.404823][ T1115] do_syscall_64+0x676/0x790 [ 1763.404842][ T1115] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1763.404852][ T1115] RIP: 0033:0x4144b1 [ 1763.404867][ T1115] Code: 00 48 8b 54 24 48 e9 71 ff ff ff 48 89 5c 24 28 48 8d 42 20 48 89 44 24 30 48 89 04 24 48 89 5c 24 08 e8 52 ed 00 00 48 8b 44 <24> 30 48 89 04 24 48 8b 44 24 28 48 89 44 24 08 e8 0a f0 00 00 48 [ 1763.404875][ T1115] RSP: 002b:00007ffe8ca02980 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 1763.404888][ T1115] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004144b1 [ 1763.404898][ T1115] RDX: 0000001b2fd20000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1763.404907][ T1115] RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff [ 1763.404917][ T1115] R10: 00007ffe8ca02a60 R11: 0000000000000293 R12: 000000000075c9a0 [ 1763.404926][ T1115] R13: 000000000075c9a0 R14: 0000000000760e08 R15: 000000000075bfd4 [ 1763.404954][ T1115] INFO: task syz-executor.4:13816 can't die for more than 143 seconds. [ 1763.404960][ T1115] syz-executor.4 D28040 13816 9548 0x00004004 [ 1763.404982][ T1115] Call Trace: [ 1763.405002][ T1115] __schedule+0x934/0x1f90 [ 1763.405025][ T1115] ? firmware_map_remove+0x1a0/0x1a0 [ 1763.405046][ T1115] ? lock_downgrade+0x920/0x920 [ 1763.405064][ T1115] ? rwlock_bug.part.0+0x90/0x90 [ 1763.405086][ T1115] schedule+0xdc/0x2b0 [ 1763.405106][ T1115] schedule_preempt_disabled+0x13/0x20 [ 1763.405121][ T1115] __mutex_lock+0x7ab/0x13c0 [ 1763.405137][ T1115] ? fb_release+0x55/0x150 [ 1763.405159][ T1115] ? mutex_trylock+0x2d0/0x2d0 [ 1763.405174][ T1115] ? __kasan_check_read+0x11/0x20 [ 1763.405191][ T1115] ? vfs_lock_file+0xf0/0xf0 [ 1763.405208][ T1115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.405225][ T1115] ? fsnotify+0x7fd/0xbb0 [ 1763.405248][ T1115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1763.405265][ T1115] ? locks_remove_file+0x32f/0x580 [ 1763.405283][ T1115] ? fsnotify_first_mark+0x210/0x210 [ 1763.405305][ T1115] mutex_lock_nested+0x16/0x20 [ 1763.405320][ T1115] ? mutex_lock_nested+0x16/0x20 [ 1763.405333][ T1115] fb_release+0x55/0x150 [ 1763.405353][ T1115] __fput+0x2ff/0x890 [ 1763.405371][ T1115] ? unregister_framebuffer+0x40/0x40 [ 1763.405391][ T1115] ____fput+0x16/0x20 [ 1763.405408][ T1115] task_work_run+0x145/0x1c0 [ 1763.405432][ T1115] exit_to_usermode_loop+0x316/0x380 [ 1763.405454][ T1115] do_syscall_64+0x676/0x790 [ 1763.405473][ T1115] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1763.405483][ T1115] RIP: 0033:0x4144b1 [ 1763.405498][ T1115] Code: 00 48 8b 54 24 48 e9 71 ff ff ff 48 89 5c 24 28 48 8d 42 20 48 89 44 24 30 48 89 04 24 48 89 5c 24 08 e8 52 ed 00 00 48 8b 44 <24> 30 48 89 04 24 48 8b 44 24 28 48 89 44 24 08 e8 0a f0 00 00 48 [ 1763.405506][ T1115] RSP: 002b:00007ffea1820ac0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 1763.405520][ T1115] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004144b1 [ 1763.405529][ T1115] RDX: 0000001b30620000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1763.405539][ T1115] RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff [ 1763.405549][ T1115] R10: 00007ffea1820ba0 R11: 0000000000000293 R12: 000000000075c9a0 [ 1763.405558][ T1115] R13: 000000000075c9a0 R14: 0000000000760e08 R15: 000000000075bfd4 [ 1763.405585][ T1115] INFO: task syz-executor.4:13816 blocked for more than 143 seconds. [ 1763.405594][ T1115] Not tainted 5.5.0-rc2-next-20191220-syzkaller #0 [ 1763.405600][ T1115] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1763.405606][ T1115] syz-executor.4 D28040 13816 9548 0x00004004 [ 1763.405626][ T1115] Call Trace: [ 1763.405645][ T1115] __schedule+0x934/0x1f90 [ 1763.405668][ T1115] ? firmware_map_remove+0x1a0/0x1a0 [ 1763.405682][ T1115] ? lock_downgrade+0x920/0x920 [ 1763.405698][ T1115] ? rwlock_bug.part.0+0x90/0x90 [ 1763.405725][ T1115] schedule+0xdc/0x2b0 [ 1763.405749][ T1115] schedule_preempt_disabled+0x13/0x20 [ 1763.405765][ T1115] __mutex_lock+0x7ab/0x13c0 [ 1763.405781][ T1115] ? fb_release+0x55/0x150 [ 1763.405803][ T1115] ? mutex_trylock+0x2d0/0x2d0 [ 1763.405818][ T1115] ? __kasan_check_read+0x11/0x20 [ 1763.405835][ T1115] ? vfs_lock_file+0xf0/0xf0 [ 1763.405852][ T1115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.405869][ T1115] ? fsnotify+0x7fd/0xbb0 [ 1763.405892][ T1115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1763.405909][ T1115] ? locks_remove_file+0x32f/0x580 [ 1763.405927][ T1115] ? fsnotify_first_mark+0x210/0x210 [ 1763.405949][ T1115] mutex_lock_nested+0x16/0x20 [ 1763.405965][ T1115] ? mutex_lock_nested+0x16/0x20 [ 1763.405977][ T1115] fb_release+0x55/0x150 [ 1763.405997][ T1115] __fput+0x2ff/0x890 [ 1763.406015][ T1115] ? unregister_framebuffer+0x40/0x40 [ 1763.406035][ T1115] ____fput+0x16/0x20 [ 1763.406052][ T1115] task_work_run+0x145/0x1c0 [ 1763.406077][ T1115] exit_to_usermode_loop+0x316/0x380 [ 1763.406098][ T1115] do_syscall_64+0x676/0x790 [ 1763.406118][ T1115] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1763.406128][ T1115] RIP: 0033:0x4144b1 [ 1763.406142][ T1115] Code: 00 48 8b 54 24 48 e9 71 ff ff ff 48 89 5c 24 28 48 8d 42 20 48 89 44 24 30 48 89 04 24 48 89 5c 24 08 e8 52 ed 00 00 48 8b 44 <24> 30 48 89 04 24 48 8b 44 24 28 48 89 44 24 08 e8 0a f0 00 00 48 [ 1763.406150][ T1115] RSP: 002b:00007ffea1820ac0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 1763.406164][ T1115] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004144b1 [ 1763.406173][ T1115] RDX: 0000001b30620000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1763.406183][ T1115] RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff [ 1763.406192][ T1115] R10: 00007ffea1820ba0 R11: 0000000000000293 R12: 000000000075c9a0 [ 1763.406202][ T1115] R13: 000000000075c9a0 R14: 0000000000760e08 R15: 000000000075bfd4 [ 1763.406229][ T1115] INFO: task syz-executor.3:13817 can't die for more than 143 seconds. [ 1763.406236][ T1115] syz-executor.3 D28040 13817 9540 0x00000004 [ 1763.406257][ T1115] Call Trace: [ 1763.406276][ T1115] __schedule+0x934/0x1f90 [ 1763.406299][ T1115] ? firmware_map_remove+0x1a0/0x1a0 [ 1763.406313][ T1115] ? lock_downgrade+0x920/0x920 [ 1763.406330][ T1115] ? rwlock_bug.part.0+0x90/0x90 [ 1763.406352][ T1115] schedule+0xdc/0x2b0 [ 1763.406372][ T1115] schedule_preempt_disabled+0x13/0x20 [ 1763.406388][ T1115] __mutex_lock+0x7ab/0x13c0 [ 1763.406404][ T1115] ? fb_release+0x55/0x150 [ 1763.406426][ T1115] ? mutex_trylock+0x2d0/0x2d0 [ 1763.406440][ T1115] ? __kasan_check_read+0x11/0x20 [ 1763.406457][ T1115] ? vfs_lock_file+0xf0/0xf0 [ 1763.406475][ T1115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.406492][ T1115] ? fsnotify+0x7fd/0xbb0 [ 1763.406515][ T1115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1763.406532][ T1115] ? locks_remove_file+0x32f/0x580 [ 1763.406550][ T1115] ? fsnotify_first_mark+0x210/0x210 [ 1763.406572][ T1115] mutex_lock_nested+0x16/0x20 [ 1763.406588][ T1115] ? mutex_lock_nested+0x16/0x20 [ 1763.406600][ T1115] fb_release+0x55/0x150 [ 1763.406620][ T1115] __fput+0x2ff/0x890 [ 1763.406638][ T1115] ? unregister_framebuffer+0x40/0x40 [ 1763.406658][ T1115] ____fput+0x16/0x20 [ 1763.406675][ T1115] task_work_run+0x145/0x1c0 [ 1763.406700][ T1115] exit_to_usermode_loop+0x316/0x380 [ 1763.406721][ T1115] do_syscall_64+0x676/0x790 [ 1763.406745][ T1115] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1763.406756][ T1115] RIP: 0033:0x4144b1 [ 1763.406770][ T1115] Code: 00 48 8b 54 24 48 e9 71 ff ff ff 48 89 5c 24 28 48 8d 42 20 48 89 44 24 30 48 89 04 24 48 89 5c 24 08 e8 52 ed 00 00 48 8b 44 <24> 30 48 89 04 24 48 8b 44 24 28 48 89 44 24 08 e8 0a f0 00 00 48 [ 1763.406778][ T1115] RSP: 002b:00007ffc24f172e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 1763.406792][ T1115] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004144b1 [ 1763.406801][ T1115] RDX: 0000001b2fe20000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1763.406810][ T1115] RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff [ 1763.406820][ T1115] R10: 00007ffc24f173c0 R11: 0000000000000293 R12: 000000000075c9a0 [ 1763.406829][ T1115] R13: 000000000075c9a0 R14: 0000000000760e08 R15: 000000000075bfd4 [ 1763.406856][ T1115] INFO: task syz-executor.3:13817 blocked for more than 143 seconds. [ 1763.406865][ T1115] Not tainted 5.5.0-rc2-next-20191220-syzkaller #0 [ 1763.406871][ T1115] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1763.406877][ T1115] syz-executor.3 D28040 13817 9540 0x00000004 [ 1763.406897][ T1115] Call Trace: [ 1763.406916][ T1115] __schedule+0x934/0x1f90 [ 1763.406939][ T1115] ? firmware_map_remove+0x1a0/0x1a0 [ 1763.406953][ T1115] ? lock_downgrade+0x920/0x920 [ 1763.406970][ T1115] ? rwlock_bug.part.0+0x90/0x90 [ 1763.406992][ T1115] schedule+0xdc/0x2b0 [ 1763.407012][ T1115] schedule_preempt_disabled+0x13/0x20 [ 1763.407028][ T1115] __mutex_lock+0x7ab/0x13c0 [ 1763.407044][ T1115] ? fb_release+0x55/0x150 [ 1763.407065][ T1115] ? mutex_trylock+0x2d0/0x2d0 [ 1763.407080][ T1115] ? __kasan_check_read+0x11/0x20 [ 1763.407096][ T1115] ? vfs_lock_file+0xf0/0xf0 [ 1763.407114][ T1115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.407131][ T1115] ? fsnotify+0x7fd/0xbb0 [ 1763.407154][ T1115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1763.407171][ T1115] ? locks_remove_file+0x32f/0x580 [ 1763.407189][ T1115] ? fsnotify_first_mark+0x210/0x210 [ 1763.407211][ T1115] mutex_lock_nested+0x16/0x20 [ 1763.407226][ T1115] ? mutex_lock_nested+0x16/0x20 [ 1763.407239][ T1115] fb_release+0x55/0x150 [ 1763.407258][ T1115] __fput+0x2ff/0x890 [ 1763.407276][ T1115] ? unregister_framebuffer+0x40/0x40 [ 1763.407296][ T1115] ____fput+0x16/0x20 [ 1763.407313][ T1115] task_work_run+0x145/0x1c0 [ 1763.407338][ T1115] exit_to_usermode_loop+0x316/0x380 [ 1763.407359][ T1115] do_syscall_64+0x676/0x790 [ 1763.407379][ T1115] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1763.407389][ T1115] RIP: 0033:0x4144b1 [ 1763.407403][ T1115] Code: 00 48 8b 54 24 48 e9 71 ff ff ff 48 89 5c 24 28 48 8d 42 20 48 89 44 24 30 48 89 04 24 48 89 5c 24 08 e8 52 ed 00 00 48 8b 44 <24> 30 48 89 04 24 48 8b 44 24 28 48 89 44 24 08 e8 0a f0 00 00 48 [ 1763.407411][ T1115] RSP: 002b:00007ffc24f172e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 1763.407425][ T1115] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004144b1 [ 1763.407434][ T1115] RDX: 0000001b2fe20000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1763.407444][ T1115] RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff [ 1763.407453][ T1115] R10: 00007ffc24f173c0 R11: 0000000000000293 R12: 000000000075c9a0 [ 1763.407462][ T1115] R13: 000000000075c9a0 R14: 0000000000760e08 R15: 000000000075bfd4 [ 1763.407489][ T1115] INFO: task syz-executor.0:13823 can't die for more than 143 seconds. [ 1763.407496][ T1115] syz-executor.0 D28040 13823 9544 0x00000004 [ 1763.407515][ T1115] Call Trace: [ 1763.407535][ T1115] __schedule+0x934/0x1f90 [ 1763.407558][ T1115] ? firmware_map_remove+0x1a0/0x1a0 [ 1763.407571][ T1115] ? lock_downgrade+0x920/0x920 [ 1763.407588][ T1115] ? rwlock_bug.part.0+0x90/0x90 [ 1763.407611][ T1115] schedule+0xdc/0x2b0 [ 1763.407630][ T1115] schedule_preempt_disabled+0x13/0x20 [ 1763.407646][ T1115] __mutex_lock+0x7ab/0x13c0 [ 1763.407662][ T1115] ? fb_release+0x55/0x150 [ 1763.407684][ T1115] ? mutex_trylock+0x2d0/0x2d0 [ 1763.407699][ T1115] ? __kasan_check_read+0x11/0x20 [ 1763.407716][ T1115] ? vfs_lock_file+0xf0/0xf0 [ 1763.407733][ T1115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.407755][ T1115] ? fsnotify+0x7fd/0xbb0 [ 1763.407780][ T1115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1763.407797][ T1115] ? locks_remove_file+0x32f/0x580 [ 1763.407814][ T1115] ? fsnotify_first_mark+0x210/0x210 [ 1763.407837][ T1115] mutex_lock_nested+0x16/0x20 [ 1763.407852][ T1115] ? mutex_lock_nested+0x16/0x20 [ 1763.407865][ T1115] fb_release+0x55/0x150 [ 1763.407885][ T1115] __fput+0x2ff/0x890 [ 1763.407903][ T1115] ? unregister_framebuffer+0x40/0x40 [ 1763.407923][ T1115] ____fput+0x16/0x20 [ 1763.407940][ T1115] task_work_run+0x145/0x1c0 [ 1763.407964][ T1115] exit_to_usermode_loop+0x316/0x380 [ 1763.407986][ T1115] do_syscall_64+0x676/0x790 [ 1763.408005][ T1115] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1763.408015][ T1115] RIP: 0033:0x4144b1 [ 1763.408030][ T1115] Code: 00 48 8b 54 24 48 e9 71 ff ff ff 48 89 5c 24 28 48 8d 42 20 48 89 44 24 30 48 89 04 24 48 89 5c 24 08 e8 52 ed 00 00 48 8b 44 <24> 30 48 89 04 24 48 8b 44 24 28 48 89 44 24 08 e8 0a f0 00 00 48 [ 1763.408038][ T1115] RSP: 002b:00007fffb857fa90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 1763.408051][ T1115] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004144b1 [ 1763.408061][ T1115] RDX: 0000001b30220000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1763.408070][ T1115] RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff [ 1763.408080][ T1115] R10: 00007fffb857fb70 R11: 0000000000000293 R12: 000000000075c9a0 [ 1763.408089][ T1115] R13: 000000000075c9a0 R14: 0000000000760e08 R15: 000000000075bfd4 [ 1763.408116][ T1115] INFO: task syz-executor.0:13823 blocked for more than 143 seconds. [ 1763.408125][ T1115] Not tainted 5.5.0-rc2-next-20191220-syzkaller #0 [ 1763.408132][ T1115] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1763.408138][ T1115] syz-executor.0 D28040 13823 9544 0x00000004 [ 1763.408157][ T1115] Call Trace: [ 1763.408176][ T1115] __schedule+0x934/0x1f90 [ 1763.408199][ T1115] ? firmware_map_remove+0x1a0/0x1a0 [ 1763.408213][ T1115] ? lock_downgrade+0x920/0x920 [ 1763.408230][ T1115] ? rwlock_bug.part.0+0x90/0x90 [ 1763.408251][ T1115] schedule+0xdc/0x2b0 [ 1763.408271][ T1115] schedule_preempt_disabled+0x13/0x20 [ 1763.408287][ T1115] __mutex_lock+0x7ab/0x13c0 [ 1763.408303][ T1115] ? fb_release+0x55/0x150 [ 1763.408324][ T1115] ? mutex_trylock+0x2d0/0x2d0 [ 1763.408339][ T1115] ? __kasan_check_read+0x11/0x20 [ 1763.408356][ T1115] ? vfs_lock_file+0xf0/0xf0 [ 1763.408374][ T1115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.408390][ T1115] ? fsnotify+0x7fd/0xbb0 [ 1763.408414][ T1115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1763.408431][ T1115] ? locks_remove_file+0x32f/0x580 [ 1763.408449][ T1115] ? fsnotify_first_mark+0x210/0x210 [ 1763.408471][ T1115] mutex_lock_nested+0x16/0x20 [ 1763.408486][ T1115] ? mutex_lock_nested+0x16/0x20 [ 1763.408499][ T1115] fb_release+0x55/0x150 [ 1763.408519][ T1115] __fput+0x2ff/0x890 [ 1763.408537][ T1115] ? unregister_framebuffer+0x40/0x40 [ 1763.408557][ T1115] ____fput+0x16/0x20 [ 1763.408580][ T1115] task_work_run+0x145/0x1c0 [ 1763.408605][ T1115] exit_to_usermode_loop+0x316/0x380 [ 1763.408626][ T1115] do_syscall_64+0x676/0x790 [ 1763.408645][ T1115] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1763.408656][ T1115] RIP: 0033:0x4144b1 [ 1763.408670][ T1115] Code: 00 48 8b 54 24 48 e9 71 ff ff ff 48 89 5c 24 28 48 8d 42 20 48 89 44 24 30 48 89 04 24 48 89 5c 24 08 e8 52 ed 00 00 48 8b 44 <24> 30 48 89 04 24 48 8b 44 24 28 48 89 44 24 08 e8 0a f0 00 00 48 [ 1763.408678][ T1115] RSP: 002b:00007fffb857fa90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 1763.408691][ T1115] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004144b1 [ 1763.408701][ T1115] RDX: 0000001b30220000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1763.408710][ T1115] RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff [ 1763.408720][ T1115] R10: 00007fffb857fb70 R11: 0000000000000293 R12: 000000000075c9a0 [ 1763.408729][ T1115] R13: 000000000075c9a0 R14: 0000000000760e08 R15: 000000000075bfd4 [ 1763.408762][ T1115] INFO: task syz-executor.1:13824 can't die for more than 143 seconds. [ 1763.408768][ T1115] syz-executor.1 D28040 13824 9545 0x00000004 [ 1763.408789][ T1115] Call Trace: [ 1763.408809][ T1115] __schedule+0x934/0x1f90 [ 1763.408832][ T1115] ? firmware_map_remove+0x1a0/0x1a0 [ 1763.408845][ T1115] ? lock_downgrade+0x920/0x920 [ 1763.408862][ T1115] ? rwlock_bug.part.0+0x90/0x90 [ 1763.408884][ T1115] schedule+0xdc/0x2b0 [ 1763.408904][ T1115] schedule_preempt_disabled+0x13/0x20 [ 1763.408920][ T1115] __mutex_lock+0x7ab/0x13c0 [ 1763.408936][ T1115] ? fb_release+0x55/0x150 [ 1763.408958][ T1115] ? mutex_trylock+0x2d0/0x2d0 [ 1763.408973][ T1115] ? __kasan_check_read+0x11/0x20 [ 1763.408989][ T1115] ? vfs_lock_file+0xf0/0xf0 [ 1763.409007][ T1115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.409024][ T1115] ? fsnotify+0x7fd/0xbb0 [ 1763.409048][ T1115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1763.409065][ T1115] ? locks_remove_file+0x32f/0x580 [ 1763.409083][ T1115] ? fsnotify_first_mark+0x210/0x210 [ 1763.409105][ T1115] mutex_lock_nested+0x16/0x20 [ 1763.409121][ T1115] ? mutex_lock_nested+0x16/0x20 [ 1763.409133][ T1115] fb_release+0x55/0x150 [ 1763.409153][ T1115] __fput+0x2ff/0x890 [ 1763.409172][ T1115] ? unregister_framebuffer+0x40/0x40 [ 1763.409191][ T1115] ____fput+0x16/0x20 [ 1763.409208][ T1115] task_work_run+0x145/0x1c0 [ 1763.409233][ T1115] exit_to_usermode_loop+0x316/0x380 [ 1763.409255][ T1115] do_syscall_64+0x676/0x790 [ 1763.409274][ T1115] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1763.409284][ T1115] RIP: 0033:0x4144b1 [ 1763.409298][ T1115] Code: 00 48 8b 54 24 48 e9 71 ff ff ff 48 89 5c 24 28 48 8d 42 20 48 89 44 24 30 48 89 04 24 48 89 5c 24 08 e8 52 ed 00 00 48 8b 44 <24> 30 48 89 04 24 48 8b 44 24 28 48 89 44 24 08 e8 0a f0 00 00 48 [ 1763.409307][ T1115] RSP: 002b:00007ffe2d359af0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 1763.409320][ T1115] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004144b1 [ 1763.409329][ T1115] RDX: 0000001b30120000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1763.409339][ T1115] RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff [ 1763.409348][ T1115] R10: 00007ffe2d359bd0 R11: 0000000000000293 R12: 000000000075c9a0 [ 1763.409358][ T1115] R13: 000000000075c9a0 R14: 0000000000760e08 R15: 000000000075bfd4 [ 1763.409384][ T1115] INFO: task syz-executor.1:13824 blocked for more than 143 seconds. [ 1763.409393][ T1115] Not tainted 5.5.0-rc2-next-20191220-syzkaller #0 [ 1763.409399][ T1115] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1763.409405][ T1115] syz-executor.1 D28040 13824 9545 0x00000004 [ 1763.409425][ T1115] Call Trace: [ 1763.409444][ T1115] __schedule+0x934/0x1f90 [ 1763.409482][ T1115] ? firmware_map_remove+0x1a0/0x1a0 [ 1763.409495][ T1115] ? lock_downgrade+0x920/0x920 [ 1763.409512][ T1115] ? rwlock_bug.part.0+0x90/0x90 [ 1763.409535][ T1115] schedule+0xdc/0x2b0 [ 1763.409555][ T1115] schedule_preempt_disabled+0x13/0x20 [ 1763.409571][ T1115] __mutex_lock+0x7ab/0x13c0 [ 1763.409587][ T1115] ? fb_release+0x55/0x150 [ 1763.409608][ T1115] ? mutex_trylock+0x2d0/0x2d0 [ 1763.409623][ T1115] ? __kasan_check_read+0x11/0x20 [ 1763.409647][ T1115] ? vfs_lock_file+0xf0/0xf0 [ 1763.409665][ T1115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.409682][ T1115] ? fsnotify+0x7fd/0xbb0 [ 1763.409705][ T1115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1763.409722][ T1115] ? locks_remove_file+0x32f/0x580 [ 1763.409745][ T1115] ? fsnotify_first_mark+0x210/0x210 [ 1763.409767][ T1115] mutex_lock_nested+0x16/0x20 [ 1763.409783][ T1115] ? mutex_lock_nested+0x16/0x20 [ 1763.409796][ T1115] fb_release+0x55/0x150 [ 1763.409816][ T1115] __fput+0x2ff/0x890 [ 1763.409834][ T1115] ? unregister_framebuffer+0x40/0x40 [ 1763.409854][ T1115] ____fput+0x16/0x20 [ 1763.409871][ T1115] task_work_run+0x145/0x1c0 [ 1763.409895][ T1115] exit_to_usermode_loop+0x316/0x380 [ 1763.409917][ T1115] do_syscall_64+0x676/0x790 [ 1763.409936][ T1115] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1763.409946][ T1115] RIP: 0033:0x4144b1 [ 1763.409961][ T1115] Code: 00 48 8b 54 24 48 e9 71 ff ff ff 48 89 5c 24 28 48 8d 42 20 48 89 44 24 30 48 89 04 24 48 89 5c 24 08 e8 52 ed 00 00 48 8b 44 <24> 30 48 89 04 24 48 8b 44 24 28 48 89 44 24 08 e8 0a f0 00 00 48 [ 1763.409969][ T1115] RSP: 002b:00007ffe2d359af0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 1763.409982][ T1115] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004144b1 [ 1763.409992][ T1115] RDX: 0000001b30120000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1763.410001][ T1115] RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff [ 1763.410011][ T1115] R10: 00007ffe2d359bd0 R11: 0000000000000293 R12: 000000000075c9a0 [ 1763.410020][ T1115] R13: 000000000075c9a0 R14: 0000000000760e08 R15: 000000000075bfd4 [ 1763.410043][ T1115] [ 1763.410043][ T1115] Showing all locks held in the system: [ 1763.410059][ T1115] 1 lock held by khungtaskd/1115: [ 1763.410064][ T1115] #0: ffffffff899af980 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 1763.410127][ T1115] 1 lock held by rsyslogd/9405: [ 1763.410132][ T1115] #0: ffff88809d971360 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 1763.410194][ T1115] 2 locks held by getty/9495: [ 1763.410199][ T1115] #0: ffff88809c9b4090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1763.410229][ T1115] #1: ffffc9000197b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1763.410281][ T1115] 2 locks held by getty/9496: [ 1763.410286][ T1115] #0: ffff8880a0091090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1763.410315][ T1115] #1: ffffc9000193b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1763.410347][ T1115] 2 locks held by getty/9497: [ 1763.410352][ T1115] #0: ffff8880a926a090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1763.410381][ T1115] #1: ffffc9000198b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1763.410412][ T1115] 2 locks held by getty/9498: [ 1763.410417][ T1115] #0: ffff88808f603090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1763.410446][ T1115] #1: ffffc9000190b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1763.410477][ T1115] 2 locks held by getty/9499: [ 1763.410482][ T1115] #0: ffff88808d8a6090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1763.410511][ T1115] #1: ffffc900018fb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1763.410542][ T1115] 2 locks held by getty/9500: [ 1763.410547][ T1115] #0: ffff8880a15e9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1763.410577][ T1115] #1: ffffc9000194b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1763.410608][ T1115] 2 locks held by getty/9501: [ 1763.410613][ T1115] #0: ffff8882157c3090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1763.410642][ T1115] #1: ffffc900011552e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1763.410681][ T1115] 2 locks held by syz-executor.5/13813: [ 1763.410690][ T1115] 1 lock held by syz-executor.2/13812: [ 1763.410695][ T1115] #0: ffff888218ce3070 (&fb_info->lock){+.+.}, at: fb_release+0x55/0x150 [ 1763.410725][ T1115] 1 lock held by syz-executor.4/13816: [ 1763.410730][ T1115] #0: ffff888218ce3070 (&fb_info->lock){+.+.}, at: fb_release+0x55/0x150 [ 1763.410765][ T1115] 1 lock held by syz-executor.3/13817: [ 1763.410770][ T1115] #0: ffff888218ce3070 (&fb_info->lock){+.+.}, at: fb_release+0x55/0x150 [ 1763.410800][ T1115] 1 lock held by syz-executor.0/13823: [ 1763.410805][ T1115] #0: ffff888218ce3070 (&fb_info->lock){+.+.}, at: fb_release+0x55/0x150 [ 1763.410835][ T1115] 1 lock held by syz-executor.1/13824: [ 1763.410840][ T1115] #0: ffff888218ce3070 (&fb_info->lock){+.+.}, at: fb_release+0x55/0x150 [ 1763.410865][ T1115] [ 1763.410871][ T1115] ============================================= [ 1763.410871][ T1115] [ 1763.410879][ T1115] NMI backtrace for cpu 1 [ 1763.410894][ T1115] CPU: 1 PID: 1115 Comm: khungtaskd Not tainted 5.5.0-rc2-next-20191220-syzkaller #0 [ 1763.410903][ T1115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1763.410907][ T1115] Call Trace: [ 1763.410944][ T1115] dump_stack+0x197/0x210 [ 1763.410973][ T1115] nmi_cpu_backtrace.cold+0x70/0xb2 [ 1763.411008][ T1115] ? vprintk_func+0x86/0x189 [ 1763.411067][ T1115] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 1763.411085][ T1115] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 1763.411107][ T1115] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1763.411122][ T1115] watchdog+0xdf1/0x14e0 [ 1763.411162][ T1115] kthread+0x361/0x430 [ 1763.411179][ T1115] ? reset_hung_task_detector+0x30/0x30 [ 1763.411193][ T1115] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 1763.411209][ T1115] ret_from_fork+0x24/0x30 [ 1763.411234][ T1115] Sending NMI from CPU 1 to CPUs 0: [ 1763.411823][ C0] NMI backtrace for cpu 0 [ 1763.411830][ C0] CPU: 0 PID: 13813 Comm: syz-executor.5 Not tainted 5.5.0-rc2-next-20191220-syzkaller #0 [ 1763.411836][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1763.411841][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.411852][ C0] Code: 48 89 e5 48 8b 4d 08 e8 d8 fe ff ff 5d c3 66 0f 1f 44 00 00 55 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 ba fe ff ff <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 [ 1763.411856][ C0] RSP: 0018:ffffc90002717458 EFLAGS: 00000293 [ 1763.411864][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff83b634bd [ 1763.411869][ C0] RDX: 0000000000000018 RSI: 0000000000000007 RDI: 0000000000000005 [ 1763.411874][ C0] RBP: ffffc90002717458 R08: ffff88809828e0c0 R09: 0000000000000040 [ 1763.411879][ C0] R10: ffffed104318f98b R11: ffff888218c7cc5f R12: 0000000000000028 [ 1763.411884][ C0] R13: 0000000000000018 R14: ffff8880000a0000 R15: ffff8880000a0080 [ 1763.411889][ C0] FS: 00007f529dbfd700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 1763.411893][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1763.411898][ C0] CR2: ffffffffff600400 CR3: 000000009067a000 CR4: 00000000001406f0 [ 1763.411903][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1763.411908][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1763.411911][ C0] Call Trace: [ 1763.411914][ C0] bitfill_aligned+0x13d/0x210 [ 1763.411917][ C0] cfb_fillrect+0x423/0x7c0 [ 1763.411920][ C0] ? cfb_fillrect+0x7c0/0x7c0 [ 1763.411923][ C0] vga16fb_fillrect+0x6ce/0x19b0 [ 1763.411927][ C0] bit_clear_margins+0x30b/0x530 [ 1763.411930][ C0] ? bit_bmove+0x270/0x270 [ 1763.411933][ C0] ? efifb_probe.cold+0x181f/0x181f [ 1763.411937][ C0] fbcon_clear_margins+0x1e9/0x250 [ 1763.411940][ C0] fbcon_switch+0xd7f/0x17f0 [ 1763.411943][ C0] ? fbcon_set_def_font+0x360/0x360 [ 1763.411947][ C0] ? fbcon_cursor+0x48c/0x660 [ 1763.411951][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.411954][ C0] ? fbcon_set_origin+0x2b/0x50 [ 1763.411957][ C0] ? fbcon_scrolldelta+0x1220/0x1220 [ 1763.411962][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1763.411965][ C0] redraw_screen+0x2b6/0x7d0 [ 1763.411968][ C0] ? efifb_probe.cold+0x181f/0x181f [ 1763.411971][ C0] ? respond_string+0x2c0/0x2c0 [ 1763.411975][ C0] ? fbcon_set_palette+0x3c4/0x4a0 [ 1763.411978][ C0] fbcon_modechanged+0x5c3/0x790 [ 1763.411981][ C0] fbcon_update_vcs+0x42/0x50 [ 1763.411984][ C0] fb_set_var+0xb32/0xdd0 [ 1763.411987][ C0] ? fb_blank+0x1a0/0x1a0 [ 1763.411990][ C0] ? lock_acquire+0x190/0x410 [ 1763.411994][ C0] ? __mutex_lock+0x458/0x13c0 [ 1763.411996][ C0] ? down+0x70/0x90 [ 1763.412000][ C0] ? do_fb_ioctl+0x335/0x7d0 [ 1763.412003][ C0] do_fb_ioctl+0x390/0x7d0 [ 1763.412005][ C0] ? fb_mmap+0x560/0x560 [ 1763.412009][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 1763.412013][ C0] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1763.412016][ C0] ? do_vfs_ioctl+0x11b/0x1340 [ 1763.412020][ C0] ? ns_to_kernel_old_timeval+0x100/0x100 [ 1763.412023][ C0] fb_ioctl+0xe6/0x130 [ 1763.412026][ C0] ? do_fb_ioctl+0x7d0/0x7d0 [ 1763.412029][ C0] ksys_ioctl+0x123/0x180 [ 1763.412032][ C0] __x64_sys_ioctl+0x73/0xb0 [ 1763.412035][ C0] do_syscall_64+0xfa/0x790 [ 1763.412039][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1763.412042][ C0] RIP: 0033:0x45a919 [ 1763.412053][ C0] 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 [ 1763.412057][ C0] RSP: 002b:00007f529dbfcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1763.412066][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a919 [ 1763.412071][ C0] RDX: 0000000020000000 RSI: 0000000000004601 RDI: 0000000000000003 [ 1763.412075][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1763.412080][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f529dbfd6d4 [ 1763.412085][ C0] R13: 00000000004c310d R14: 00000000004d8498 R15: 00000000ffffffff [ 1763.451492][ T1115] Kernel panic - not syncing: hung_task: blocked tasks [ 1763.451511][ T1115] CPU: 1 PID: 1115 Comm: khungtaskd Not tainted 5.5.0-rc2-next-20191220-syzkaller #0 [ 1763.451520][ T1115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1763.451526][ T1115] Call Trace: [ 1763.451548][ T1115] dump_stack+0x197/0x210 [ 1763.451653][ T1115] panic+0x2e3/0x75c [ 1763.451669][ T1115] ? add_taint.cold+0x16/0x16 [ 1763.451687][ T1115] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 1763.451708][ T1115] ? ___preempt_schedule+0x16/0x18 [ 1763.451728][ T1115] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 1763.451750][ T1115] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 1763.451766][ T1115] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 1763.451783][ T1115] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 1763.451805][ T1115] watchdog+0xe02/0x14e0 [ 1763.451827][ T1115] kthread+0x361/0x430 [ 1763.451844][ T1115] ? reset_hung_task_detector+0x30/0x30 [ 1763.451858][ T1115] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 1763.451873][ T1115] ret_from_fork+0x24/0x30 [ 1763.453618][ T1115] Kernel Offset: disabled [ 1766.962859][ T1115] Rebooting in 86400 seconds..