[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 56.366887][ T26] audit: type=1800 audit(1572909592.758:25): pid=8778 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.395951][ T26] audit: type=1800 audit(1572909592.758:26): pid=8778 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.443838][ T26] audit: type=1800 audit(1572909592.758:27): pid=8778 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 '10.128.0.208' (ECDSA) to the list of known hosts. 2019/11/04 23:20:03 parsed 1 programs 2019/11/04 23:20:06 executed programs: 0 syzkaller login: [ 69.733017][ T8960] IPVS: ftp: loaded support on port[0] = 21 [ 69.741415][ T8956] IPVS: ftp: loaded support on port[0] = 21 [ 69.759733][ T8952] IPVS: ftp: loaded support on port[0] = 21 [ 69.760419][ T8959] IPVS: ftp: loaded support on port[0] = 21 [ 69.775642][ T8953] IPVS: ftp: loaded support on port[0] = 21 [ 69.793689][ T8961] IPVS: ftp: loaded support on port[0] = 21 [ 70.088648][ T8956] chnl_net:caif_netlink_parms(): no params data found [ 70.121816][ T8961] chnl_net:caif_netlink_parms(): no params data found [ 70.141307][ T8960] chnl_net:caif_netlink_parms(): no params data found [ 70.210221][ T8956] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.218994][ T8956] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.227383][ T8956] device bridge_slave_0 entered promiscuous mode [ 70.237301][ T8956] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.244378][ T8956] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.252208][ T8956] device bridge_slave_1 entered promiscuous mode [ 70.275974][ T8953] chnl_net:caif_netlink_parms(): no params data found [ 70.333979][ T8959] chnl_net:caif_netlink_parms(): no params data found [ 70.343423][ T8952] chnl_net:caif_netlink_parms(): no params data found [ 70.353533][ T8960] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.360741][ T8960] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.368995][ T8960] device bridge_slave_0 entered promiscuous mode [ 70.377894][ T8956] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.394813][ T8956] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.415651][ T8960] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.424758][ T8960] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.432938][ T8960] device bridge_slave_1 entered promiscuous mode [ 70.456669][ T8961] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.463790][ T8961] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.471658][ T8961] device bridge_slave_0 entered promiscuous mode [ 70.483420][ T8961] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.491865][ T8961] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.500231][ T8961] device bridge_slave_1 entered promiscuous mode [ 70.555374][ T8952] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.562563][ T8952] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.570776][ T8952] device bridge_slave_0 entered promiscuous mode [ 70.582772][ T8953] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.592918][ T8953] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.600921][ T8953] device bridge_slave_0 entered promiscuous mode [ 70.610168][ T8960] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.622135][ T8956] team0: Port device team_slave_0 added [ 70.632575][ T8952] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.640135][ T8952] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.648365][ T8952] device bridge_slave_1 entered promiscuous mode [ 70.660328][ T8953] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.667552][ T8953] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.675242][ T8953] device bridge_slave_1 entered promiscuous mode [ 70.684310][ T8960] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.695394][ T8956] team0: Port device team_slave_1 added [ 70.703644][ T8961] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.718586][ T8959] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.725699][ T8959] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.733665][ T8959] device bridge_slave_0 entered promiscuous mode [ 70.763730][ T8953] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.775050][ T8961] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.799054][ T8959] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.810397][ T8959] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.818499][ T8959] device bridge_slave_1 entered promiscuous mode [ 70.834827][ T8960] team0: Port device team_slave_0 added [ 70.842344][ T8953] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.853403][ T8961] team0: Port device team_slave_0 added [ 70.860734][ T8952] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.889918][ T8960] team0: Port device team_slave_1 added [ 70.902389][ T8959] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.913947][ T8961] team0: Port device team_slave_1 added [ 70.928079][ T8952] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.945483][ T8959] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.009552][ T8956] device hsr_slave_0 entered promiscuous mode [ 71.046440][ T8956] device hsr_slave_1 entered promiscuous mode [ 71.096266][ T8953] team0: Port device team_slave_0 added [ 71.151750][ T8960] device hsr_slave_0 entered promiscuous mode [ 71.206371][ T8960] device hsr_slave_1 entered promiscuous mode [ 71.246069][ T8960] debugfs: Directory 'hsr0' with parent '/' already present! [ 71.289356][ T8953] team0: Port device team_slave_1 added [ 71.298044][ T8959] team0: Port device team_slave_0 added [ 71.306035][ T8952] team0: Port device team_slave_0 added [ 71.312874][ T8959] team0: Port device team_slave_1 added [ 71.368556][ T8961] device hsr_slave_0 entered promiscuous mode [ 71.417058][ T8961] device hsr_slave_1 entered promiscuous mode [ 71.476194][ T8961] debugfs: Directory 'hsr0' with parent '/' already present! [ 71.493620][ T8952] team0: Port device team_slave_1 added [ 71.599341][ T8959] device hsr_slave_0 entered promiscuous mode [ 71.646350][ T8959] device hsr_slave_1 entered promiscuous mode [ 71.696139][ T8959] debugfs: Directory 'hsr0' with parent '/' already present! [ 71.769338][ T8953] device hsr_slave_0 entered promiscuous mode [ 71.816299][ T8953] device hsr_slave_1 entered promiscuous mode [ 71.886100][ T8953] debugfs: Directory 'hsr0' with parent '/' already present! [ 71.949294][ T8952] device hsr_slave_0 entered promiscuous mode [ 72.007410][ T8952] device hsr_slave_1 entered promiscuous mode [ 72.046097][ T8952] debugfs: Directory 'hsr0' with parent '/' already present! [ 72.303993][ T8956] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.323116][ T8952] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.341791][ T8956] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.359946][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.368715][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.391931][ T8960] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.415395][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.424356][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.433290][ T3052] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.440560][ T3052] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.450334][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.459375][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.467836][ T3052] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.474965][ T3052] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.482632][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.491608][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.499461][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.510693][ T8952] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.529287][ T8953] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.542381][ T8961] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.554647][ T8969] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.563229][ T8969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.589396][ T8959] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.604808][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.614351][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.623352][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.632807][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.641736][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.650450][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.659994][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.668713][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.677451][ T3052] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.685094][ T3052] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.693681][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.702231][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.719597][ T8953] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.732505][ T8959] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.741160][ T8969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.751061][ T8969] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.762643][ T8969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.771056][ T8969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.779278][ T8969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.787143][ T8969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.796719][ T8956] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.815504][ T8961] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.830456][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.842160][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.851836][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.858941][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.867606][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.877050][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.885414][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.892661][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.900536][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.910181][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.918629][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.925770][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.933501][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.941730][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.949669][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.958387][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.966159][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.973851][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.982736][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.991266][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.998511][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.006384][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.015102][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.023856][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.030982][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.053162][ T8956] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.082746][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.093277][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.107702][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.115511][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.124818][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.133636][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.142696][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.150517][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.158068][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.166710][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.175032][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.182118][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.189913][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.198939][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.207893][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.214983][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.222664][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.231423][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.240541][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.249270][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.263113][ T8960] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.295167][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.307238][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.315143][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.324935][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.334757][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.343796][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.352652][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.361512][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.370233][ T8964] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.377346][ T8964] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.385138][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.394488][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.403157][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.411835][ T8964] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.418940][ T8964] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.427041][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.435596][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.444101][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.453229][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.462046][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.470853][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.479204][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.488377][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.497497][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.505395][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.518013][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.528310][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.537019][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.545534][ T8964] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.558212][ T8953] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.591943][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.600136][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.611770][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.620852][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.629873][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.639085][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.647995][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.657096][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.665489][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.674483][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.684970][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.693132][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.701987][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.732290][ T8959] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.743722][ T8959] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.785387][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.802328][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.818368][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.828047][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.836421][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.844838][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.853407][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.861905][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.871345][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.879850][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.888821][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.897527][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.905948][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.914288][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.924314][ T8960] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.945982][ T8952] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.954770][ T8961] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.964381][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.972621][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.980712][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.988422][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.995973][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.007247][ T8953] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.017106][ T8959] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.045173][ T8960] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.067636][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.075271][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.119763][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.136602][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.144821][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.153402][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.165294][ T8952] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.175352][ T8961] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/11/04 23:20:11 executed programs: 6 2019/11/04 23:20:16 executed programs: 165 2019/11/04 23:20:21 executed programs: 378 2019/11/04 23:20:26 executed programs: 589 2019/11/04 23:20:31 executed programs: 812 2019/11/04 23:20:36 executed programs: 1035 2019/11/04 23:20:41 executed programs: 1248 2019/11/04 23:20:46 executed programs: 1449 2019/11/04 23:20:51 executed programs: 1656 2019/11/04 23:20:56 executed programs: 1862 2019/11/04 23:21:01 executed programs: 2065 2019/11/04 23:21:06 executed programs: 2257 2019/11/04 23:21:11 executed programs: 2451 2019/11/04 23:21:16 executed programs: 2641 2019/11/04 23:21:21 executed programs: 2832 2019/11/04 23:21:26 executed programs: 3028 2019/11/04 23:21:31 executed programs: 3221 2019/11/04 23:21:36 executed programs: 3409 2019/11/04 23:21:41 executed programs: 3578 2019/11/04 23:21:46 executed programs: 3753 2019/11/04 23:21:51 executed programs: 3920 2019/11/04 23:21:56 executed programs: 4091 2019/11/04 23:22:01 executed programs: 4260 2019/11/04 23:22:06 executed programs: 4433 2019/11/04 23:22:11 executed programs: 4597 2019/11/04 23:22:16 executed programs: 4765 2019/11/04 23:22:21 executed programs: 4931 2019/11/04 23:22:26 executed programs: 5090 2019/11/04 23:22:31 executed programs: 5252 2019/11/04 23:22:36 executed programs: 5415 2019/11/04 23:22:41 executed programs: 5579 2019/11/04 23:22:46 executed programs: 5739 2019/11/04 23:22:51 executed programs: 5900 [ 236.266003][ T993] INFO: task khugepaged:1086 blocked for more than 143 seconds. [ 236.273892][ T993] Not tainted 5.4.0-rc5-next-20191031 #0 [ 236.288352][ T4000] kobject: 'loop4' (000000006066930f): kobject_uevent_env [ 236.295805][ T4000] kobject: 'loop4' (000000006066930f): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 236.327020][ T993] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 236.335762][ T993] khugepaged D26968 1086 2 0x80004000 [ 236.398205][ T993] Call Trace: [ 236.401613][ T993] __schedule+0x94a/0x1e70 [ 236.407774][ T4000] kobject: 'loop0' (00000000af305064): kobject_uevent_env [ 236.415057][ T4000] kobject: 'loop0' (00000000af305064): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 236.443939][ T993] ? __sched_text_start+0x8/0x8 [ 236.456208][ T993] ? blk_insert_cloned_request+0x530/0x530 [ 236.478637][ T993] ? _raw_spin_unlock_irq+0x23/0x80 [ 236.512338][ T4000] kobject: 'loop5' (0000000035e4d717): kobject_uevent_env [ 236.526978][ T993] ? __lock_page+0x3d9/0xab0 [ 236.532267][ T993] ? _raw_spin_unlock_irq+0x23/0x80 [ 236.555801][ T4000] kobject: 'loop5' (0000000035e4d717): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 236.594193][ T993] schedule+0xdc/0x2b0 [ 236.603526][ T993] io_schedule+0x1c/0x70 [ 236.609692][ T4000] kobject: 'loop3' (0000000035b450e2): kobject_uevent_env [ 236.628618][ T993] __lock_page+0x422/0xab0 [ 236.633102][ T993] ? wait_on_page_bit+0xa60/0xa60 [ 236.645920][ T4000] kobject: 'loop3' (0000000035b450e2): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 236.665216][ T993] ? page_cache_next_miss+0x340/0x340 [ 236.686417][ T993] ? ___might_sleep+0x163/0x2c0 [ 236.693301][ T4000] kobject: 'loop1' (000000008ffccfad): kobject_uevent_env [ 236.710118][ T993] ? __might_sleep+0x95/0x190 [ 236.721353][ T993] mpage_prepare_extent_to_map+0xb3f/0xf90 [ 236.730352][ T4000] kobject: 'loop1' (000000008ffccfad): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 236.758938][ T993] ? mpage_process_page_bufs+0x780/0x780 [ 236.766423][ T993] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 236.772453][ T993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.788042][ T4000] kobject: 'loop2' (000000000b7ec49f): kobject_uevent_env [ 236.809473][ T4000] kobject: 'loop2' (000000000b7ec49f): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 236.848035][ T993] ext4_writepages+0xb6a/0x2e70 [ 236.865083][ T993] ? __this_cpu_preempt_check+0x2c/0x190 [ 236.882731][ T993] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 236.885371][ T4000] kobject: 'loop1' (000000008ffccfad): kobject_uevent_env [ 236.890041][ T993] ? 0xffffffff81000000 [ 236.908867][ T4000] kobject: 'loop1' (000000008ffccfad): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 236.944056][ T993] ? mark_lock+0xc2/0x1220 [ 236.958497][ T4000] kobject: 'loop4' (000000006066930f): kobject_uevent_env [ 236.965752][ T4000] kobject: 'loop4' (000000006066930f): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 236.981120][ T993] ? prep_new_page+0x19f/0x200 [ 236.994714][ T993] ? wbc_attach_and_unlock_inode+0x515/0x920 [ 237.018848][ T993] ? find_held_lock+0x35/0x130 [ 237.023717][ T993] ? wbc_attach_and_unlock_inode+0x515/0x920 [ 237.052116][ T4000] kobject: 'loop2' (000000000b7ec49f): kobject_uevent_env [ 237.076028][ T993] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 237.085030][ T4000] kobject: 'loop2' (000000000b7ec49f): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 237.109247][ T993] do_writepages+0xfa/0x2a0 [ 237.113923][ T993] ? do_writepages+0xfa/0x2a0 [ 237.137986][ T4000] kobject: 'loop3' (0000000035b450e2): kobject_uevent_env [ 237.145202][ T4000] kobject: 'loop3' (0000000035b450e2): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 237.163038][ T993] ? lock_downgrade+0x920/0x920 [ 237.195964][ T993] ? page_writeback_cpu_online+0x20/0x20 [ 237.201657][ T993] ? __kasan_check_read+0x11/0x20 [ 237.246872][ T993] ? do_raw_spin_unlock+0x57/0x270 [ 237.252081][ T993] ? _raw_spin_unlock+0x28/0x40 [ 237.258463][ T4000] kobject: 'loop1' (000000008ffccfad): kobject_uevent_env [ 237.265645][ T4000] kobject: 'loop1' (000000008ffccfad): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 237.291738][ T993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.312314][ T993] ? wbc_attach_and_unlock_inode+0x5bf/0x920 [ 237.323331][ T4000] kobject: 'loop0' (00000000af305064): kobject_uevent_env [ 237.355811][ T993] __filemap_fdatawrite_range+0x2bc/0x3b0 [ 237.371633][ T4000] kobject: 'loop0' (00000000af305064): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 237.381926][ T993] ? delete_from_page_cache_batch+0xfe0/0xfe0 [ 237.405971][ T993] ? lockdep_hardirqs_on+0x421/0x5e0 [ 237.417359][ T4000] kobject: 'loop4' (000000006066930f): kobject_uevent_env [ 237.424811][ T4000] kobject: 'loop4' (000000006066930f): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 237.437434][ T993] filemap_flush+0x24/0x30 [ 237.441896][ T993] collapse_file+0x36b1/0x41a0 [ 237.459971][ T993] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 237.506015][ T993] ? khugepaged+0x21c0/0x4360 [ 237.508503][ T4000] kobject: 'loop3' (0000000035b450e2): kobject_uevent_env [ 237.526033][ T993] ? trace_event_raw_event_mm_collapse_huge_page_isolate+0x370/0x370 [ 237.534168][ T993] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 237.550658][ T4000] kobject: 'loop3' (0000000035b450e2): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 237.585933][ T993] ? khugepaged_find_target_node+0x142/0x180 [ 237.610133][ T4000] kobject: 'loop2' (000000000b7ec49f): kobject_uevent_env [ 237.615665][ T993] khugepaged+0x2da9/0x4360 [ 237.621940][ T993] ? __kasan_check_read+0x11/0x20 [ 237.643190][ T4000] kobject: 'loop2' (000000000b7ec49f): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 237.666274][ T993] ? __lock_acquire+0x16f2/0x4a00 [ 237.682220][ T4000] kobject: 'loop1' (000000008ffccfad): kobject_uevent_env [ 237.683207][ T993] ? _raw_spin_unlock_irq+0x23/0x80 [ 237.703968][ T4000] kobject: 'loop1' (000000008ffccfad): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 237.714610][ T993] ? finish_task_switch+0x147/0x750 [ 237.755898][ T993] ? _raw_spin_unlock_irq+0x23/0x80 [ 237.761951][ T993] ? lockdep_hardirqs_on+0x421/0x5e0 [ 237.777335][ T4000] kobject: 'loop0' (00000000af305064): kobject_uevent_env [ 237.780455][ T993] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 237.784611][ T4000] kobject: 'loop0' (00000000af305064): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 237.818346][ T993] ? lock_downgrade+0x920/0x920 [ 237.837738][ T993] ? finish_wait+0x260/0x260 [ 237.856918][ T993] ? lockdep_hardirqs_on+0x421/0x5e0 [ 237.885047][ T993] ? trace_hardirqs_on+0x67/0x240 [ 237.901539][ T4000] kobject: 'loop2' (000000000b7ec49f): kobject_uevent_env [ 237.911424][ T993] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.929246][ T993] ? __kthread_parkme+0x108/0x1c0 [ 237.934324][ T993] ? __kasan_check_read+0x11/0x20 [ 237.941021][ T4000] kobject: 'loop2' (000000000b7ec49f): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 237.965012][ T993] kthread+0x361/0x430 [ 237.970918][ T4000] kobject: 'loop4' (000000006066930f): kobject_uevent_env [ 237.978443][ T993] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 237.984101][ T993] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 237.995920][ T4000] kobject: 'loop4' (000000006066930f): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 238.013677][ T993] ret_from_fork+0x24/0x30 [ 238.024545][ T4000] kobject: 'loop3' (0000000035b450e2): kobject_uevent_env [ 238.048185][ T993] [ 238.048185][ T993] Showing all locks held in the system: [ 238.071846][ T4000] kobject: 'loop3' (0000000035b450e2): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 238.083827][ T993] 1 lock held by ksoftirqd/0/9: [ 238.110079][ T993] 4 locks held by kworker/u4:6/564: [ 238.115308][ T993] #0: ffff8880a83c4528 ((wq_completion)writeback){+.+.}, at: process_one_work+0x88b/0x1740 [ 238.154700][ T4000] kobject: 'loop0' (00000000af305064): kobject_uevent_env [ 238.170322][ T4000] kobject: 'loop0' (00000000af305064): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 238.192401][ T993] #1: ffff8880a854fdc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x8c1/0x1740 [ 238.228891][ T4000] kobject: 'loop1' (000000008ffccfad): kobject_uevent_env [ 238.243693][ T993] #2: ffff88809b17e0d8 (&type->s_umount_key#32){++++}, at: trylock_super+0x22/0x110 [ 238.266064][ T4000] kobject: 'loop1' (000000008ffccfad): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 238.294416][ T993] #3: ffff88809b180990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 238.323386][ T993] 1 lock held by khungtaskd/993: [ 238.327044][ T4000] kobject: 'loop2' (000000000b7ec49f): kobject_uevent_env [ 238.331737][ T993] #0: ffffffff88faba40 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 238.345700][ T993] 1 lock held by khugepaged/1086: [ 238.380662][ T4000] kobject: 'loop2' (000000000b7ec49f): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 238.389896][ T993] #0: ffff88809b180990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 238.435933][ T4000] kobject: 'loop5' (0000000035e4d717): kobject_uevent_env [ 238.446093][ T4000] kobject: 'loop5' (0000000035e4d717): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 238.448890][ T993] 6 locks held by udevd/4000: [ 238.493626][ T4000] kobject: 'loop4' (000000006066930f): kobject_uevent_env [ 238.500340][ T993] 1 lock held by rsyslogd/8816: [ 238.506279][ T993] #0: ffff888092e4db60 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 238.514981][ T993] 2 locks held by getty/8906: [ 238.527478][ T4000] kobject: 'loop4' (000000006066930f): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 238.554909][ T993] #0: ffff8880933ff090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 238.577300][ T4000] kobject: 'loop0' (00000000af305064): kobject_uevent_env [ 238.584503][ T4000] kobject: 'loop0' (00000000af305064): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 238.593444][ T993] #1: ffffc90005f212e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 238.655396][ T993] 2 locks held by getty/8907: [ 238.664690][ T4000] kobject: 'loop1' (000000008ffccfad): kobject_uevent_env [ 238.679464][ T993] #0: ffff888099c66090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 238.693462][ T4000] kobject: 'loop1' (000000008ffccfad): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 238.717226][ T993] #1: ffffc90005f112e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 238.748214][ T4000] kobject: 'loop4' (000000006066930f): kobject_uevent_env [ 238.754812][ T993] 2 locks held by getty/8908: [ 238.755401][ T4000] kobject: 'loop4' (000000006066930f): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 238.776360][ T993] #0: ffff8880a977e090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 238.825878][ T993] #1: ffffc90005f0d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 238.852563][ T4000] kobject: 'loop2' (000000000b7ec49f): kobject_uevent_env [ 238.867075][ T993] 2 locks held by getty/8909: [ 238.883336][ T993] #0: ffff888094582090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 238.894665][ T4000] kobject: 'loop2' (000000000b7ec49f): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 238.921655][ T993] #1: ffffc90005f2d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 238.944790][ T4000] kobject: 'loop5' (0000000035e4d717): kobject_uevent_env [ 238.977497][ T4000] kobject: 'loop5' (0000000035e4d717): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 238.986151][ T993] 2 locks held by getty/8910: [ 238.995914][ T993] #0: ffff88808fcbf090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 239.004920][ T993] #1: ffffc90005f1d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 239.028298][ T4000] kobject: 'loop0' (00000000af305064): kobject_uevent_env [ 239.073010][ T993] 2 locks held by getty/8911: [ 239.086093][ T4000] kobject: 'loop0' (00000000af305064): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 239.097085][ T993] #0: ffff8880a740a090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 239.136007][ T993] #1: ffffc90005f312e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 239.140281][ T4000] kobject: 'loop1' (000000008ffccfad): kobject_uevent_env [ 239.146325][ T993] 2 locks held by getty/8912: [ 239.196003][ T4000] kobject: 'loop1' (000000008ffccfad): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 239.209488][ T993] #0: ffff88809b259090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 239.227859][ T4000] kobject: 'loop4' (000000006066930f): kobject_uevent_env [ 239.253424][ T4000] kobject: 'loop4' (000000006066930f): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 239.260549][ T993] #1: ffffc90005f012e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 239.289927][ T4000] kobject: 'loop2' (000000000b7ec49f): kobject_uevent_env [ 239.319519][ T4000] kobject: 'loop2' (000000000b7ec49f): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 239.345457][ T993] 2 locks held by syz-executor.4/8956: [ 239.366572][ T993] 1 lock held by syz-executor.1/8959: [ 239.372167][ T993] 2 locks held by syz-executor.4/26138: [ 239.372927][ T4000] kobject: 'loop0' (00000000af305064): kobject_uevent_env [ 239.386789][ T993] 2 locks held by syz-executor.0/26139: [ 239.406459][ T993] 1 lock held by syz-executor.5/26144: [ 239.410078][ T4000] kobject: 'loop0' (00000000af305064): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 239.425578][ T993] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 239.452023][ T993] 2 locks held by syz-executor.1/26143: [ 239.480149][ T4000] kobject: 'loop5' (0000000035e4d717): kobject_uevent_env [ 239.494675][ T993] #0: ffff8880ae834d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 239.515351][ T4000] kobject: 'loop5' (0000000035e4d717): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 239.530718][ T993] #1: ffffffff88faba40 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 239.560718][ T4000] kobject: 'loop4' (000000006066930f): kobject_uevent_env [ 239.576473][ T993] 1 lock held by syz-executor.1/26153: [ 239.581982][ T993] 3 locks held by syz-executor.0/26157: [ 239.603064][ T4000] kobject: 'loop4' (000000006066930f): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 239.624425][ T993] #0: ffff8880ae834d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 239.652538][ T4000] kobject: 'loop1' (000000008ffccfad): kobject_uevent_env [ 239.673773][ T993] #1: ffffffff88faba40 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 239.686390][ T4000] kobject: 'loop1' (000000008ffccfad): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 239.703732][ T993] #2: ffff888097f8b0a0 (slock-AF_LLC){+...}, at: release_sock+0x20/0x1c0 [ 239.731848][ T993] 2 locks held by syz-executor.5/26173: [ 239.738801][ T4000] kobject: 'loop2' (000000000b7ec49f): kobject_uevent_env [ 239.755619][ T993] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 239.774299][ T4000] kobject: 'loop2' (000000000b7ec49f): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 239.796028][ T993] #1: ffffffff88faba40 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 239.818217][ T4000] kobject: 'loop0' (00000000af305064): kobject_uevent_env [ 239.825422][ T4000] kobject: 'loop0' (00000000af305064): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 239.843879][ T993] 2 locks held by syz-executor.5/26185: [ 239.860680][ T993] 3 locks held by syz-executor.4/26187: [ 239.878365][ T993] 3 locks held by syz-executor.1/26188: [ 239.901025][ T4000] kobject: 'loop5' (0000000035e4d717): kobject_uevent_env [ 239.908645][ T993] #0: ffff8880ae834d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 239.930682][ T4000] kobject: 'loop5' (0000000035e4d717): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 239.941904][ T993] #1: ffffffff88faba40 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 239.975777][ T993] #2: ffff8880a991b0a0 (slock-AF_LLC){+...}, at: release_sock+0x20/0x1c0 [ 239.986029][ T4000] kobject: 'loop1' (000000008ffccfad): kobject_uevent_env [ 239.993212][ T4000] kobject: 'loop1' (000000008ffccfad): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 240.019073][ T993] 2 locks held by syz-executor.4/26199: [ 240.024660][ T993] #0: ffff8880ae834d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 240.055288][ T4000] kobject: 'loop2' (000000000b7ec49f): kobject_uevent_env [ 240.066860][ T993] #1: ffffffff88faba40 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 240.090926][ T4000] kobject: 'loop2' (000000000b7ec49f): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 240.106846][ T993] 2 locks held by syz-executor.4/26208: [ 240.129320][ T993] 2 locks held by syz-executor.2/26213: [ 240.137484][ T4000] kobject: 'loop4' (000000006066930f): kobject_uevent_env [ 240.144667][ T4000] kobject: 'loop4' (000000006066930f): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 240.171037][ T993] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 240.202687][ T993] #1: ffffffff88faba40 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 240.230266][ T4000] kobject: 'loop0' (00000000af305064): kobject_uevent_env [ 240.237920][ T993] 3 locks held by syz-executor.4/26223: [ 240.258222][ T993] 2 locks held by syz-executor.3/26227: [ 240.266325][ T4000] kobject: 'loop0' (00000000af305064): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 240.281755][ T993] [ 240.284197][ T993] ============================================= [ 240.284197][ T993] [ 240.348110][ T4000] kobject: 'loop1' (000000008ffccfad): kobject_uevent_env [ 240.363587][ T993] NMI backtrace for cpu 1 [ 240.368159][ T993] CPU: 1 PID: 993 Comm: khungtaskd Not tainted 5.4.0-rc5-next-20191031 #0 [ 240.376757][ T993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.386915][ T993] Call Trace: [ 240.390284][ T993] dump_stack+0x172/0x1f0 [ 240.394643][ T993] nmi_cpu_backtrace.cold+0x70/0xb2 [ 240.399946][ T993] ? vprintk_func+0x86/0x189 [ 240.404562][ T993] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 240.410215][ T993] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 240.416219][ T993] arch_trigger_cpumask_backtrace+0x14/0x20 [ 240.422138][ T993] watchdog+0xc8f/0x1350 [ 240.426420][ T993] kthread+0x361/0x430 [ 240.430635][ T993] ? reset_hung_task_detector+0x30/0x30 [ 240.436222][ T993] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 240.441968][ T993] ret_from_fork+0x24/0x30 2019/11/04 23:22:56 executed programs: 6121 [ 240.446467][ T993] Sending NMI from CPU 1 to CPUs 0: [ 240.452254][ C0] NMI backtrace for cpu 0 [ 240.452260][ C0] CPU: 0 PID: 8960 Comm: syz-executor.5 Not tainted 5.4.0-rc5-next-20191031 #0 [ 240.452266][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.452269][ C0] RIP: 0010:__lock_acquire+0x1a2f/0x4a00 [ 240.452279][ C0] Code: 07 00 00 48 69 db b0 00 00 00 48 81 c3 c0 ed 79 8a 48 8d 7b 40 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 c9 23 00 00 48 83 7b 40 00 0f 85 07 ee ff ff 0f 0b e9 00 ee [ 240.452282][ C0] RSP: 0018:ffff888093e4f748 EFLAGS: 00000046 [ 240.452289][ C0] RAX: dffffc0000000000 RBX: ffffffff8a7a09f0 RCX: ffffffff8159485c [ 240.452294][ C0] RDX: 1ffffffff14f4146 RSI: 0000000000000008 RDI: ffffffff8a7a0a30 [ 240.452298][ C0] RBP: ffff888093e4f860 R08: 1ffffffff14f3d34 R09: fffffbfff14f3d35 [ 240.452303][ C0] R10: ffff8880a7a6aac0 R11: ffff8880a7a6a180 R12: 00000000ae7db0ba [ 240.452307][ C0] R13: ffffffff89c86db0 R14: ffff8880a7a6aa98 R15: 0000000000000000 [ 240.452312][ C0] FS: 00000000012d2940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 240.452316][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 240.452320][ C0] CR2: 0000000000738008 CR3: 00000000953b2000 CR4: 00000000001406f0 [ 240.452325][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 240.452329][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 240.452332][ C0] Call Trace: [ 240.452335][ C0] ? __kasan_check_read+0x11/0x20 [ 240.452338][ C0] ? mark_lock+0xc2/0x1220 [ 240.452341][ C0] ? mark_held_locks+0xf0/0xf0 [ 240.452344][ C0] lock_acquire+0x190/0x410 [ 240.452347][ C0] ? memcg_kmem_get_cache+0x2c6/0x8c0 [ 240.452350][ C0] memcg_kmem_get_cache+0x2f0/0x8c0 [ 240.452354][ C0] ? memcg_kmem_get_cache+0x2c6/0x8c0 [ 240.452357][ C0] ? mem_cgroup_handle_over_high+0x2a0/0x2a0 [ 240.452360][ C0] ? ___might_sleep+0x163/0x2c0 [ 240.452363][ C0] kmem_cache_alloc+0x18d/0x710 [ 240.452366][ C0] ? anon_vma_clone+0x364/0x5f0 [ 240.452369][ C0] anon_vma_fork+0x1ea/0x4a0 [ 240.452373][ C0] ? dup_userfaultfd+0x15e/0x6d0 [ 240.452375][ C0] dup_mm+0xa47/0x1430 [ 240.452378][ C0] ? vm_area_dup+0x170/0x170 [ 240.452381][ C0] ? debug_mutex_init+0x2d/0x60 [ 240.452384][ C0] copy_process+0x26e4/0x6880 [ 240.452387][ C0] ? __cleanup_sighand+0x60/0x60 [ 240.452390][ C0] ? find_held_lock+0x35/0x130 [ 240.452393][ C0] _do_fork+0x146/0xf90 [ 240.452396][ C0] ? copy_init_mm+0x20/0x20 [ 240.452399][ C0] ? __kasan_check_read+0x11/0x20 [ 240.452402][ C0] ? _copy_to_user+0x118/0x160 [ 240.452406][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.452409][ C0] ? put_timespec64+0xda/0x140 [ 240.452412][ C0] __x64_sys_clone+0x18d/0x250 [ 240.452415][ C0] ? __ia32_sys_vfork+0xc0/0xc0 [ 240.452418][ C0] ? lockdep_hardirqs_on+0x421/0x5e0 [ 240.452422][ C0] ? trace_hardirqs_on+0x67/0x240 [ 240.452425][ C0] do_syscall_64+0xfa/0x760 [ 240.452429][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.452431][ C0] RIP: 0033:0x4587ea [ 240.452441][ C0] Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 [ 240.452444][ C0] RSP: 002b:00007ffc4ba75430 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 240.452452][ C0] RAX: ffffffffffffffda RBX: 00007ffc4ba75430 RCX: 00000000004587ea [ 240.452457][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 240.452461][ C0] RBP: 00007ffc4ba75470 R08: 0000000000000001 R09: 00000000012d2940 [ 240.452466][ C0] R10: 00000000012d2c10 R11: 0000000000000246 R12: 0000000000000001 [ 240.452470][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc4ba754c0 [ 240.621329][ T993] Kernel panic - not syncing: hung_task: blocked tasks [ 240.659298][ T4000] kobject: 'loop1' (000000008ffccfad): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 240.662522][ T993] CPU: 1 PID: 993 Comm: khungtaskd Not tainted 5.4.0-rc5-next-20191031 #0 [ 240.662531][ T993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.662536][ T993] Call Trace: [ 240.662557][ T993] dump_stack+0x172/0x1f0 [ 240.662576][ T993] panic+0x2e3/0x75c [ 240.705547][ T4000] kobject: 'loop5' (0000000035e4d717): kobject_uevent_env [ 240.705950][ T993] ? add_taint.cold+0x16/0x16 [ 240.705966][ T993] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 240.705987][ T993] ? ___preempt_schedule+0x16/0x18 [ 240.706003][ T993] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 240.706014][ T993] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 240.706026][ T993] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 240.706038][ T993] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 240.706056][ T993] watchdog+0xca0/0x1350 [ 240.706078][ T993] kthread+0x361/0x430 [ 240.706095][ T993] ? reset_hung_task_detector+0x30/0x30 [ 240.720986][ T4000] kobject: 'loop5' (0000000035e4d717): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 240.721867][ T993] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 240.744016][ T4000] kobject: 'loop2' (000000000b7ec49f): kobject_uevent_env [ 240.747492][ T993] ret_from_fork+0x24/0x30 [ 240.748978][ T993] Kernel Offset: disabled [ 240.961477][ T993] Rebooting in 86400 seconds..