[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.245108][ T25] audit: type=1800 audit(1571959718.556:25): pid=8557 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.264907][ T25] audit: type=1800 audit(1571959718.556:26): pid=8557 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.286652][ T25] audit: type=1800 audit(1571959718.556:27): pid=8557 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 '10.128.1.44' (ECDSA) to the list of known hosts. 2019/10/24 23:28:48 parsed 1 programs 2019/10/24 23:28:50 executed programs: 0 syzkaller login: [ 67.761922][ T8732] IPVS: ftp: loaded support on port[0] = 21 [ 67.779783][ T8729] IPVS: ftp: loaded support on port[0] = 21 [ 67.799512][ T8734] IPVS: ftp: loaded support on port[0] = 21 [ 67.841002][ T8737] IPVS: ftp: loaded support on port[0] = 21 [ 67.841527][ T8736] IPVS: ftp: loaded support on port[0] = 21 [ 67.869380][ T8739] IPVS: ftp: loaded support on port[0] = 21 [ 68.071111][ T8732] chnl_net:caif_netlink_parms(): no params data found [ 68.167528][ T8736] chnl_net:caif_netlink_parms(): no params data found [ 68.192050][ T8732] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.199782][ T8732] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.207738][ T8732] device bridge_slave_0 entered promiscuous mode [ 68.222762][ T8729] chnl_net:caif_netlink_parms(): no params data found [ 68.232018][ T8734] chnl_net:caif_netlink_parms(): no params data found [ 68.250538][ T8732] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.259428][ T8732] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.268321][ T8732] device bridge_slave_1 entered promiscuous mode [ 68.359421][ T8732] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.401026][ T8734] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.408246][ T8734] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.416897][ T8734] device bridge_slave_0 entered promiscuous mode [ 68.424218][ T8739] chnl_net:caif_netlink_parms(): no params data found [ 68.434365][ T8737] chnl_net:caif_netlink_parms(): no params data found [ 68.444033][ T8732] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.459775][ T8729] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.466998][ T8729] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.474921][ T8729] device bridge_slave_0 entered promiscuous mode [ 68.487734][ T8734] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.495659][ T8734] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.503267][ T8734] device bridge_slave_1 entered promiscuous mode [ 68.532312][ T8736] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.539791][ T8736] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.547593][ T8736] device bridge_slave_0 entered promiscuous mode [ 68.555289][ T8736] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.562338][ T8736] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.570417][ T8736] device bridge_slave_1 entered promiscuous mode [ 68.577488][ T8729] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.585616][ T8729] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.593327][ T8729] device bridge_slave_1 entered promiscuous mode [ 68.601832][ T8734] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.618831][ T8732] team0: Port device team_slave_0 added [ 68.651478][ T8734] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.681304][ T8732] team0: Port device team_slave_1 added [ 68.700740][ T8729] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.711825][ T8734] team0: Port device team_slave_0 added [ 68.730605][ T8739] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.737927][ T8739] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.747201][ T8739] device bridge_slave_0 entered promiscuous mode [ 68.755731][ T8736] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.767967][ T8736] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.779008][ T8729] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.792632][ T8734] team0: Port device team_slave_1 added [ 68.804111][ T8739] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.813515][ T8739] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.821583][ T8739] device bridge_slave_1 entered promiscuous mode [ 68.863580][ T8729] team0: Port device team_slave_0 added [ 68.869868][ T8737] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.877317][ T8737] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.886469][ T8737] device bridge_slave_0 entered promiscuous mode [ 68.898408][ T8737] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.905889][ T8737] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.913641][ T8737] device bridge_slave_1 entered promiscuous mode [ 68.928477][ T8736] team0: Port device team_slave_0 added [ 68.939771][ T8736] team0: Port device team_slave_1 added [ 68.948882][ T8729] team0: Port device team_slave_1 added [ 68.968088][ T8739] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.016575][ T8732] device hsr_slave_0 entered promiscuous mode [ 69.065049][ T8732] device hsr_slave_1 entered promiscuous mode [ 69.207840][ T8734] device hsr_slave_0 entered promiscuous mode [ 69.274893][ T8734] device hsr_slave_1 entered promiscuous mode [ 69.344793][ T8734] debugfs: Directory 'hsr0' with parent '/' already present! [ 69.354088][ T8739] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.376717][ T8737] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.448535][ T8729] device hsr_slave_0 entered promiscuous mode [ 69.494861][ T8729] device hsr_slave_1 entered promiscuous mode [ 69.564757][ T8729] debugfs: Directory 'hsr0' with parent '/' already present! [ 69.589095][ T8737] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.649643][ T8736] device hsr_slave_0 entered promiscuous mode [ 69.705961][ T8736] device hsr_slave_1 entered promiscuous mode [ 69.774644][ T8736] debugfs: Directory 'hsr0' with parent '/' already present! [ 69.792431][ T8739] team0: Port device team_slave_0 added [ 69.800323][ T8739] team0: Port device team_slave_1 added [ 69.876592][ T8739] device hsr_slave_0 entered promiscuous mode [ 69.914857][ T8739] device hsr_slave_1 entered promiscuous mode [ 69.965794][ T8739] debugfs: Directory 'hsr0' with parent '/' already present! [ 69.982484][ T8737] team0: Port device team_slave_0 added [ 70.007257][ T8737] team0: Port device team_slave_1 added [ 70.097636][ T8737] device hsr_slave_0 entered promiscuous mode [ 70.145193][ T8737] device hsr_slave_1 entered promiscuous mode [ 70.184891][ T8737] debugfs: Directory 'hsr0' with parent '/' already present! [ 70.220937][ T8729] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.237221][ T8732] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.288462][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.297452][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.314953][ T8732] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.328031][ T8736] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.338154][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.347183][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.365429][ T8739] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.380616][ T8734] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.392928][ T8729] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.400068][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.408997][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.418107][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.425370][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.435179][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.450574][ T8736] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.473946][ T8739] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.483304][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.492620][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.501327][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.510277][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.519304][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.526531][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.534352][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.543436][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.552351][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.560709][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.567815][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.575792][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.584717][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.593093][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.600196][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.608410][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.616343][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.624015][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.632847][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.641456][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.648543][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.657244][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.665667][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.677995][ T8734] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.713542][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.723501][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.732604][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.742627][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.751504][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.758627][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.767034][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.776437][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.785315][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.793849][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.802457][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.811113][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.819860][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.828189][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.835297][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.842995][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.851679][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.860370][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.869240][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.876350][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.884117][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.892957][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.901348][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.910087][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.919854][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.927893][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.936049][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.970722][ T8729] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.981617][ T8729] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.001122][ T8732] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.012472][ T8732] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.024334][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.033793][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.042583][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.051689][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.060868][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.070279][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.080629][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.089615][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.098975][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.107560][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.116313][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.124693][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.133250][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.142502][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.153468][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.161956][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.170845][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.179356][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.187870][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.196979][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.205308][ T8746] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.212782][ T8746] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.220932][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.230268][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.239853][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.249023][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.256884][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.264659][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.272301][ T8746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.293631][ T8729] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.315580][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.354148][ T8737] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.365976][ T8732] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.397491][ T8736] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.413653][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.423851][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.433358][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.440594][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.449010][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.458647][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.470274][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.478962][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.488059][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.497701][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.507245][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.515922][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.524187][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.532796][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.546008][ T8739] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.561325][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.569921][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.587758][ T8737] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.613511][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.624071][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.645683][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.673878][ T8734] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.684965][ T8734] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.713499][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.723515][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.741993][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.755651][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.764156][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.779382][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.792133][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.821928][ T8739] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.875824][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.888281][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.928796][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.950289][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.957476][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.972743][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.992924][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.003954][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.012171][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.055942][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.066019][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.098574][ T8734] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.119329][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.131537][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.172007][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.201780][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.223564][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.232275][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.240759][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.252301][ T8737] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.270709][ T8737] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.293034][ T8748] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.307714][ T8748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.320828][ T8748] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.341216][ T8737] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/10/24 23:28:55 executed programs: 25 2019/10/24 23:29:00 executed programs: 244 2019/10/24 23:29:05 executed programs: 444 2019/10/24 23:29:11 executed programs: 656 2019/10/24 23:29:16 executed programs: 873 2019/10/24 23:29:21 executed programs: 1088 2019/10/24 23:29:26 executed programs: 1297 2019/10/24 23:29:31 executed programs: 1505 2019/10/24 23:29:36 executed programs: 1715 2019/10/24 23:29:41 executed programs: 1908 2019/10/24 23:29:46 executed programs: 2108 2019/10/24 23:29:51 executed programs: 2311 2019/10/24 23:29:56 executed programs: 2499 2019/10/24 23:30:01 executed programs: 2685 2019/10/24 23:30:06 executed programs: 2869 2019/10/24 23:30:11 executed programs: 3055 2019/10/24 23:30:16 executed programs: 3239 2019/10/24 23:30:21 executed programs: 3419 2019/10/24 23:30:26 executed programs: 3600 2019/10/24 23:30:31 executed programs: 3774 2019/10/24 23:30:36 executed programs: 3944 2019/10/24 23:30:41 executed programs: 4118 2019/10/24 23:30:46 executed programs: 4286 2019/10/24 23:30:51 executed programs: 4459 2019/10/24 23:30:56 executed programs: 4626 2019/10/24 23:31:01 executed programs: 4792 2019/10/24 23:31:06 executed programs: 4954 2019/10/24 23:31:11 executed programs: 5118 2019/10/24 23:31:16 executed programs: 5280 [ 214.506061][ T975] INFO: task khugepaged:1083 blocked for more than 143 seconds. [ 214.515235][ T975] Not tainted 5.4.0-rc4-next-20191024 #0 [ 214.525471][ T3885] kobject: 'loop0' (00000000e27e0d9e): kobject_uevent_env [ 214.532789][ T3885] kobject: 'loop0' (00000000e27e0d9e): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 214.551079][ T975] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 214.570043][ T975] khugepaged D27840 1083 2 0x80004000 [ 214.602777][ T975] Call Trace: [ 214.612654][ T975] __schedule+0x94a/0x1e70 [ 214.617582][ T975] ? __sched_text_start+0x8/0x8 [ 214.622758][ T975] ? blk_insert_cloned_request+0x530/0x530 [ 214.626846][ T3885] kobject: 'loop5' (00000000095aa486): kobject_uevent_env [ 214.673352][ T3885] kobject: 'loop5' (00000000095aa486): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 214.673937][ T975] ? _raw_spin_unlock_irq+0x23/0x80 [ 214.716831][ T3885] kobject: 'loop2' (00000000b43388b2): kobject_uevent_env [ 214.729959][ T3885] kobject: 'loop2' (00000000b43388b2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 214.739594][ T975] ? __lock_page+0x3d9/0xab0 [ 214.770604][ T975] ? _raw_spin_unlock_irq+0x23/0x80 [ 214.788171][ T3885] kobject: 'loop4' (000000006dc1f697): kobject_uevent_env [ 214.795803][ T975] schedule+0xd9/0x260 [ 214.799912][ T975] io_schedule+0x1c/0x70 [ 214.804168][ T975] __lock_page+0x422/0xab0 [ 214.833566][ T3885] kobject: 'loop4' (000000006dc1f697): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 214.854544][ T975] ? wait_on_page_bit+0xa60/0xa60 [ 214.869012][ T3885] kobject: 'loop3' (000000000916629d): kobject_uevent_env [ 214.876588][ T975] ? page_cache_next_miss+0x340/0x340 [ 214.882000][ T975] ? ___might_sleep+0x163/0x2c0 [ 214.905724][ T3885] kobject: 'loop3' (000000000916629d): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 214.934240][ T975] ? __might_sleep+0x95/0x190 [ 214.955785][ T3885] kobject: 'loop1' (0000000005860371): kobject_uevent_env [ 214.962269][ T975] mpage_prepare_extent_to_map+0xb3f/0xf90 [ 214.973033][ T3885] kobject: 'loop1' (0000000005860371): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 215.004545][ T975] ? mpage_process_page_bufs+0x780/0x780 [ 215.010291][ T975] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 215.023233][ T3885] kobject: 'loop2' (00000000b43388b2): kobject_uevent_env [ 215.065986][ T975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.072312][ T975] ext4_writepages+0xb6a/0x2e70 [ 215.083159][ T3885] kobject: 'loop2' (00000000b43388b2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 215.117909][ T975] ? __this_cpu_preempt_check+0x10/0x190 [ 215.123608][ T975] ? retint_kernel+0x2b/0x2b [ 215.142493][ T3885] kobject: 'loop0' (00000000e27e0d9e): kobject_uevent_env [ 215.168051][ T975] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 215.180896][ T3885] kobject: 'loop0' (00000000e27e0d9e): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 215.207631][ T975] ? 0xffffffff81000000 [ 215.225659][ T975] ? mark_lock+0xc2/0x1220 [ 215.230215][ T975] ? prep_new_page+0x19f/0x200 [ 215.249167][ T975] ? wbc_attach_and_unlock_inode+0x515/0x920 [ 215.251823][ T3885] kobject: 'loop4' (000000006dc1f697): kobject_uevent_env [ 215.283555][ T975] ? find_held_lock+0x35/0x130 [ 215.291910][ T3885] kobject: 'loop4' (000000006dc1f697): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 215.303212][ T975] ? wbc_attach_and_unlock_inode+0x515/0x920 [ 215.332471][ T975] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 215.336119][ T3885] kobject: 'loop3' (000000000916629d): kobject_uevent_env [ 215.370013][ T975] do_writepages+0xfa/0x2a0 [ 215.384532][ T975] ? do_writepages+0xfa/0x2a0 [ 215.390863][ T3885] kobject: 'loop3' (000000000916629d): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 215.410056][ T975] ? lock_downgrade+0x920/0x920 [ 215.428136][ T975] ? page_writeback_cpu_online+0x20/0x20 [ 215.430320][ T3885] kobject: 'loop1' (0000000005860371): kobject_uevent_env [ 215.455498][ T975] ? __kasan_check_read+0x11/0x20 [ 215.474527][ T975] ? do_raw_spin_unlock+0x57/0x270 [ 215.490610][ T3885] kobject: 'loop1' (0000000005860371): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 215.500924][ T975] ? _raw_spin_unlock+0x28/0x40 [ 215.501321][ T975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.522726][ T975] ? wbc_attach_and_unlock_inode+0x5bf/0x920 [ 215.545184][ T975] __filemap_fdatawrite_range+0x2bc/0x3b0 [ 215.570107][ T975] ? delete_from_page_cache_batch+0xfe0/0xfe0 [ 215.575992][ T3885] kobject: 'loop3' (000000000916629d): kobject_uevent_env [ 215.583367][ T3885] kobject: 'loop3' (000000000916629d): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 215.586185][ T975] ? lockdep_hardirqs_on+0x421/0x5e0 [ 215.648278][ T975] filemap_flush+0x24/0x30 [ 215.661610][ T3885] kobject: 'loop4' (000000006dc1f697): kobject_uevent_env [ 215.664576][ T975] collapse_file+0x36b1/0x41a0 [ 215.671892][ T3885] kobject: 'loop4' (000000006dc1f697): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 215.707929][ T3885] kobject: 'loop0' (00000000e27e0d9e): kobject_uevent_env [ 215.712557][ T975] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 215.723859][ T975] ? khugepaged+0x2250/0x4360 [ 215.743849][ T975] ? trace_event_raw_event_mm_collapse_huge_page_isolate+0x370/0x370 [ 215.767957][ T975] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 215.774210][ T3885] kobject: 'loop0' (00000000e27e0d9e): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 215.780506][ T975] ? khugepaged_find_target_node+0x142/0x180 [ 215.825940][ T3885] kobject: 'loop2' (00000000b43388b2): kobject_uevent_env [ 215.833299][ T3885] kobject: 'loop2' (00000000b43388b2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 215.838823][ T975] khugepaged+0x2da9/0x4360 [ 215.883347][ T975] ? __kasan_check_read+0x11/0x20 [ 215.897347][ T3885] kobject: 'loop1' (0000000005860371): kobject_uevent_env [ 215.904237][ T975] ? __lock_acquire+0x16f2/0x4a00 [ 215.916214][ T975] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 215.921923][ T975] ? lock_downgrade+0x920/0x920 [ 215.944617][ T3885] kobject: 'loop1' (0000000005860371): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 215.979230][ T975] ? finish_wait+0x260/0x260 [ 215.982004][ T3885] kobject: 'loop4' (000000006dc1f697): kobject_uevent_env [ 215.984149][ T975] ? lockdep_hardirqs_on+0x421/0x5e0 [ 215.984175][ T975] ? trace_hardirqs_on+0x67/0x240 [ 216.016805][ T3885] kobject: 'loop4' (000000006dc1f697): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 216.063683][ T975] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 216.070318][ T3885] kobject: 'loop1' (0000000005860371): kobject_uevent_env [ 216.090905][ T975] ? __kthread_parkme+0x108/0x1c0 [ 216.114584][ T3885] kobject: 'loop1' (0000000005860371): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 216.135651][ T975] ? __kasan_check_read+0x11/0x20 [ 216.140750][ T975] kthread+0x361/0x430 [ 216.167206][ T975] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 216.179459][ T3885] kobject: 'loop0' (00000000e27e0d9e): kobject_uevent_env [ 216.203227][ T975] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 216.211037][ T3885] kobject: 'loop0' (00000000e27e0d9e): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 216.230240][ T975] ret_from_fork+0x24/0x30 [ 216.254670][ T975] [ 216.254670][ T975] Showing all locks held in the system: [ 216.263948][ T3885] kobject: 'loop3' (000000000916629d): kobject_uevent_env [ 216.285717][ T975] 4 locks held by kworker/u4:4/667: [ 216.304391][ T975] #0: ffff88821b32d928 ((wq_completion)writeback){+.+.}, at: process_one_work+0x88b/0x1740 [ 216.308807][ T3885] kobject: 'loop3' (000000000916629d): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 216.359075][ T3885] kobject: 'loop2' (00000000b43388b2): kobject_uevent_env [ 216.361445][ T975] #1: ffff8880a8087dc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x8c1/0x1740 [ 216.394572][ T3885] kobject: 'loop2' (00000000b43388b2): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 216.424974][ T975] #2: ffff8882158440d8 (&type->s_umount_key#32){++++}, at: trylock_super+0x22/0x110 [ 216.466364][ T3885] kobject: 'loop4' (000000006dc1f697): kobject_uevent_env [ 216.473589][ T3885] kobject: 'loop4' (000000006dc1f697): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 216.474988][ T975] #3: ffff888215846990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 216.550514][ T3885] kobject: 'loop1' (0000000005860371): kobject_uevent_env [ 216.580587][ T3885] kobject: 'loop1' (0000000005860371): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 216.587335][ T975] 1 lock held by khungtaskd/975: [ 216.626019][ T3885] kobject: 'loop3' (000000000916629d): kobject_uevent_env [ 216.633218][ T3885] kobject: 'loop3' (000000000916629d): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 216.633994][ T975] #0: ffffffff88faba80 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 216.705934][ T3885] kobject: 'loop0' (00000000e27e0d9e): kobject_uevent_env [ 216.713125][ T3885] kobject: 'loop0' (00000000e27e0d9e): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 216.719234][ T975] 1 lock held by khugepaged/1083: [ 216.774523][ T975] #0: ffff888215846990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 216.784462][ T975] 3 locks held by udevd/3885: [ 216.790982][ T3885] kobject: 'loop1' (0000000005860371): kobject_uevent_env [ 216.824575][ T975] 1 lock held by rsyslogd/8595: [ 216.835992][ T3885] kobject: 'loop1' (0000000005860371): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 216.847577][ T975] #0: ffff88809a609160 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 216.882581][ T3885] kobject: 'loop0' (00000000e27e0d9e): kobject_uevent_env [ 216.890146][ T975] 2 locks held by getty/8685: [ 216.912931][ T975] #0: ffff88809c9ec090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 216.913552][ T3885] kobject: 'loop0' (00000000e27e0d9e): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 216.940139][ T975] #1: ffffc90005f3d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 216.989978][ T975] 2 locks held by getty/8686: [ 217.003776][ T3885] kobject: 'loop3' (000000000916629d): kobject_uevent_env [ 217.007349][ T975] #0: ffff88808dc99090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 217.046466][ T975] #1: ffffc90005f252e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 217.064553][ T3885] kobject: 'loop3' (000000000916629d): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 217.086963][ T975] 2 locks held by getty/8687: [ 217.104529][ T975] #0: ffff8880a48be090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 217.113793][ T975] #1: ffffc90005f352e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 217.125610][ T3885] kobject: 'loop5' (00000000095aa486): kobject_uevent_env [ 217.132792][ T3885] kobject: 'loop5' (00000000095aa486): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 217.183466][ T975] 2 locks held by getty/8688: [ 217.196744][ T3885] kobject: 'loop4' (000000006dc1f697): kobject_uevent_env [ 217.203983][ T3885] kobject: 'loop4' (000000006dc1f697): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 217.224540][ T975] #0: ffff8880a0bd1090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 217.244551][ T975] #1: ffffc90005f2d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 217.254162][ T975] 2 locks held by getty/8689: [ 217.264344][ T3885] kobject: 'loop1' (0000000005860371): kobject_uevent_env [ 217.284016][ T3885] kobject: 'loop1' (0000000005860371): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 217.307614][ T975] #0: ffff8880a1edd090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 217.333582][ T3885] kobject: 'loop0' (00000000e27e0d9e): kobject_uevent_env [ 217.345319][ T975] #1: ffffc90005f212e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 217.364302][ T3885] kobject: 'loop0' (00000000e27e0d9e): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 217.380538][ T975] 2 locks held by getty/8690: [ 217.400346][ T975] #0: ffff8880938b3090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 217.431111][ T3885] kobject: 'loop5' (00000000095aa486): kobject_uevent_env [ 217.460171][ T975] #1: ffffc90005f412e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 217.474532][ T3885] kobject: 'loop5' (00000000095aa486): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 217.501190][ T975] 2 locks held by getty/8691: [ 217.520962][ T3885] kobject: 'loop3' (000000000916629d): kobject_uevent_env [ 217.529212][ T975] #0: ffff8880a7e61090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 217.554369][ T3885] kobject: 'loop3' (000000000916629d): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 217.567627][ T975] #1: ffffc90005f112e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 217.607361][ T975] 1 lock held by syz-executor.1/8729: [ 217.614187][ T3885] kobject: 'loop4' (000000006dc1f697): kobject_uevent_env [ 217.634295][ T975] 3 locks held by syz-executor.5/8734: [ 217.653992][ T3885] kobject: 'loop4' (000000006dc1f697): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 217.673254][ T975] 2 locks held by syz-executor.4/29439: [ 217.697587][ T975] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 217.725180][ T3885] kobject: 'loop0' (00000000e27e0d9e): kobject_uevent_env [ 217.746809][ T975] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 217.756868][ T3885] kobject: 'loop0' (00000000e27e0d9e): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 217.772040][ T975] 3 locks held by syz-executor.1/29460: [ 217.782070][ T975] 2 locks held by syz-executor.4/29463: [ 217.809282][ T3885] kobject: 'loop1' (0000000005860371): kobject_uevent_env [ 217.817779][ T975] 2 locks held by syz-executor.3/29466: [ 217.841888][ T975] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 217.860828][ T3885] kobject: 'loop1' (0000000005860371): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 217.888279][ T975] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 217.904626][ T3885] kobject: 'loop3' (000000000916629d): kobject_uevent_env [ 217.911828][ T3885] kobject: 'loop3' (000000000916629d): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 217.940019][ T975] 1 lock held by syz-executor.3/29484: [ 217.949142][ T975] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 217.983389][ T975] 2 locks held by syz-executor.0/29488: [ 217.988388][ T3885] kobject: 'loop5' (00000000095aa486): kobject_uevent_env [ 218.003165][ T975] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 218.040311][ T3885] kobject: 'loop5' (00000000095aa486): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 218.046355][ T975] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 218.102978][ T975] 2 locks held by syz-executor.0/29508: [ 218.103383][ T3885] kobject: 'loop4' (000000006dc1f697): kobject_uevent_env [ 218.137887][ T975] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 218.155687][ T3885] kobject: 'loop4' (000000006dc1f697): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 218.184679][ T975] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 218.193358][ T975] 2 locks held by syz-executor.0/29528: [ 218.203905][ T3885] kobject: 'loop1' (0000000005860371): kobject_uevent_env 2019/10/24 23:31:21 executed programs: 5508 [ 218.238348][ T3885] kobject: 'loop1' (0000000005860371): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 218.260096][ T975] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 218.298671][ T3885] kobject: 'loop0' (00000000e27e0d9e): kobject_uevent_env [ 218.300653][ T975] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 218.344692][ T3885] kobject: 'loop0' (00000000e27e0d9e): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 218.352313][ T975] 1 lock held by syz-executor.5/29548: [ 218.368504][ T975] #0: ffff8880ae834d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 218.399158][ T3885] kobject: 'loop3' (000000000916629d): kobject_uevent_env [ 218.407041][ T975] 1 lock held by syz-executor.4/29549: [ 218.425133][ T975] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 218.447912][ T3885] kobject: 'loop3' (000000000916629d): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 218.461207][ T975] 4 locks held by syz-executor.0/29562: [ 218.484869][ T975] 2 locks held by syz-executor.2/29572: [ 218.490465][ T975] 3 locks held by syz-executor.4/29573: [ 218.501198][ T3885] kobject: 'loop4' (000000006dc1f697): kobject_uevent_env [ 218.530747][ T975] 2 locks held by syz-executor.1/29579: [ 218.536724][ T3885] kobject: 'loop4' (000000006dc1f697): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 218.566749][ T975] 2 locks held by syz-executor.5/29580: [ 218.572545][ T975] 2 locks held by syz-executor.0/29582: [ 218.582120][ T3885] kobject: 'loop5' (00000000095aa486): kobject_uevent_env [ 218.608980][ T975] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 218.634555][ T3885] kobject: 'loop5' (00000000095aa486): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 218.646486][ T975] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 218.676094][ T3885] kobject: 'loop1' (0000000005860371): kobject_uevent_env [ 218.683351][ T3885] kobject: 'loop1' (0000000005860371): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 218.694576][ T975] 2 locks held by syz-executor.5/29601: [ 218.736724][ T975] #0: ffff8880ae834d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 218.760598][ T3885] kobject: 'loop0' (00000000e27e0d9e): kobject_uevent_env [ 218.777197][ T975] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 218.790847][ T3885] kobject: 'loop0' (00000000e27e0d9e): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 218.810027][ T975] 2 locks held by syz-executor.3/29618: [ 218.826195][ T975] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 218.836591][ T3885] kobject: 'loop3' (000000000916629d): kobject_uevent_env [ 218.855037][ T975] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 218.873590][ T3885] kobject: 'loop3' (000000000916629d): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 218.914589][ T975] 1 lock held by syz-executor.0/29629: [ 218.920099][ T975] 2 locks held by syz-executor.5/29633: [ 218.936402][ T3885] kobject: 'loop1' (0000000005860371): kobject_uevent_env [ 218.943875][ T3885] kobject: 'loop1' (0000000005860371): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 218.961441][ T975] #0: ffff8880ae834d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 218.989603][ T975] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 219.002564][ T3885] kobject: 'loop4' (000000006dc1f697): kobject_uevent_env [ 219.023504][ T975] 1 lock held by syz-executor.4/29648: [ 219.032627][ T3885] kobject: 'loop4' (000000006dc1f697): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 219.064281][ T975] #0: ffff8880ae834d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 219.095883][ T3885] kobject: 'loop5' (00000000095aa486): kobject_uevent_env [ 219.103534][ T3885] kobject: 'loop5' (00000000095aa486): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 219.117603][ T975] 1 lock held by syz-executor.1/29659: [ 219.123117][ T975] [ 219.154915][ T975] ============================================= [ 219.154915][ T975] [ 219.187888][ T975] NMI backtrace for cpu 1 [ 219.192272][ T975] CPU: 1 PID: 975 Comm: khungtaskd Not tainted 5.4.0-rc4-next-20191024 #0 [ 219.201638][ T975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.211707][ T975] Call Trace: [ 219.215007][ T975] dump_stack+0x172/0x1f0 [ 219.219360][ T975] nmi_cpu_backtrace.cold+0x70/0xb2 [ 219.224566][ T975] ? vprintk_func+0x86/0x189 [ 219.229165][ T975] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 219.234810][ T975] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 219.240810][ T975] arch_trigger_cpumask_backtrace+0x14/0x20 [ 219.246724][ T975] watchdog+0xc8f/0x1350 [ 219.251346][ T975] kthread+0x361/0x430 [ 219.255423][ T975] ? reset_hung_task_detector+0x30/0x30 [ 219.260984][ T975] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 219.266831][ T975] ret_from_fork+0x24/0x30 [ 219.271320][ T975] Sending NMI from CPU 1 to CPUs 0: [ 219.277008][ C0] NMI backtrace for cpu 0 [ 219.277015][ C0] CPU: 0 PID: 29680 Comm: syz-executor.3 Not tainted 5.4.0-rc4-next-20191024 #0 [ 219.277021][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.277024][ C0] RIP: 0010:ext4_getblk+0x390/0x570 [ 219.277035][ C0] Code: f9 ff 31 ff 41 89 c7 89 c6 e8 7c 3b 76 ff 45 85 ff 74 17 e8 f2 39 76 ff 48 89 df 49 63 df e8 e7 f7 ca ff eb 05 e8 e0 39 76 ff db 39 76 ff 48 b8 00 00 00 00 00 fc ff df 49 01 c5 48 89 d8 49 [ 219.277039][ C0] RSP: 0018:ffff88807fcaf9d0 EFLAGS: 00000246 [ 219.277046][ C0] RAX: 0000000000000000 RBX: ffff888093f110a8 RCX: ffffffff81fd339a [ 219.277050][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 219.277055][ C0] RBP: ffff88807fcafa98 R08: ffff888095508640 R09: ffffed10127a5861 [ 219.277059][ C0] R10: ffffed10127a5860 R11: ffff888093d2c303 R12: 0000000000000000 [ 219.277064][ C0] R13: 1ffff1100ff95f3e R14: ffff888093e2f348 R15: 0000000000000000 [ 219.277069][ C0] FS: 0000000002013940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 219.277073][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 219.277078][ C0] CR2: 0000000000758040 CR3: 000000009f25f000 CR4: 00000000001406f0 [ 219.277082][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 219.277087][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 219.277089][ C0] Call Trace: [ 219.277093][ C0] ? ext4_iomap_begin+0xff0/0xff0 [ 219.277096][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.277100][ C0] ? fscrypt_setup_filename+0x66c/0xcdf [ 219.277103][ C0] ext4_bread+0x8f/0x390 [ 219.277106][ C0] ? ext4_getblk+0x570/0x570 [ 219.277109][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 219.277113][ C0] ? ext4_fname_setup_ci_filename+0x340/0x340 [ 219.277130][ C0] __ext4_read_dirblock+0x35/0xbe0 [ 219.277133][ C0] ext4_add_entry+0x7e9/0xe00 [ 219.277136][ C0] ? make_indexed_dir+0x1310/0x1310 [ 219.277140][ C0] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 219.277143][ C0] ? common_perm+0x1f7/0x730 [ 219.277146][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 219.277149][ C0] ext4_add_nondir+0x28/0x90 [ 219.277152][ C0] ext4_symlink+0xba6/0xf10 [ 219.277156][ C0] ? ext4_orphan_del+0xa80/0xa80 [ 219.277159][ C0] ? security_inode_permission+0xcb/0x100 [ 219.277163][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.277166][ C0] ? security_inode_symlink+0xdb/0x110 [ 219.277169][ C0] vfs_symlink+0x373/0x5a0 [ 219.277172][ C0] do_symlinkat+0x22b/0x290 [ 219.277176][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 219.277179][ C0] ? __ia32_sys_unlink+0x50/0x50 [ 219.277183][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 219.277186][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 219.277189][ C0] ? do_syscall_64+0x26/0x760 [ 219.277193][ C0] ? lockdep_hardirqs_on+0x421/0x5e0 [ 219.277196][ C0] __x64_sys_symlink+0x59/0x80 [ 219.277199][ C0] do_syscall_64+0xfa/0x760 [ 219.277202][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 219.277205][ C0] RIP: 0033:0x459c27 [ 219.277215][ C0] Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 219.277219][ C0] RSP: 002b:00007ffc6d1e0778 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 [ 219.277227][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000459c27 [ 219.277232][ C0] RDX: 00007ffc6d1e0813 RSI: 00000000004bf8e2 RDI: 00007ffc6d1e0800 [ 219.277236][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013 [ 219.277241][ C0] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000001 [ 219.277246][ C0] R13: 00007ffc6d1e07b0 R14: 0000000000000000 R15: 00007ffc6d1e07c0 [ 219.281162][ T3885] kobject: 'loop0' (00000000e27e0d9e): kobject_uevent_env [ 219.692388][ T3885] kobject: 'loop0' (00000000e27e0d9e): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 219.712720][ T3885] kobject: 'loop3' (000000000916629d): kobject_uevent_env [ 219.743102][ T3885] kobject: 'loop3' (000000000916629d): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 219.779317][ T3885] kobject: 'loop4' (000000006dc1f697): kobject_uevent_env [ 219.819040][ T3885] kobject: 'loop4' (000000006dc1f697): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 219.862835][ T3885] kobject: 'loop5' (00000000095aa486): kobject_uevent_env [ 219.902571][ T3885] kobject: 'loop5' (00000000095aa486): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 219.940562][ T3885] kobject: 'loop1' (0000000005860371): kobject_uevent_env [ 219.971371][ T975] Kernel panic - not syncing: hung_task: blocked tasks [ 219.978290][ T975] CPU: 0 PID: 975 Comm: khungtaskd Not tainted 5.4.0-rc4-next-20191024 #0 [ 219.986797][ T975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.992134][ T3885] kobject: 'loop1' (0000000005860371): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 219.996858][ T975] Call Trace: [ 219.996884][ T975] dump_stack+0x172/0x1f0 [ 219.996901][ T975] panic+0x2e3/0x75c [ 219.996913][ T975] ? add_taint.cold+0x16/0x16 [ 219.996929][ T975] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 219.996945][ T975] ? ___preempt_schedule+0x16/0x18 [ 219.996964][ T975] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 220.040179][ T975] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 220.046343][ T975] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 220.049277][ T3885] kobject: 'loop0' (00000000e27e0d9e): kobject_uevent_env [ 220.052508][ T975] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 220.065765][ T975] watchdog+0xca0/0x1350 [ 220.067843][ T3885] kobject: 'loop0' (00000000e27e0d9e): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 220.070016][ T975] kthread+0x361/0x430 [ 220.084221][ T975] ? reset_hung_task_detector+0x30/0x30 [ 220.089784][ T975] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 220.094091][ T3885] kobject: 'loop3' (000000000916629d): kobject_uevent_env [ 220.095593][ T975] ret_from_fork+0x24/0x30 [ 220.107934][ T975] Kernel Offset: disabled [ 220.116666][ T975] Rebooting in 86400 seconds..