[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 58.638967][ T26] audit: type=1800 audit(1572183690.384:25): pid=8623 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 58.684091][ T26] audit: type=1800 audit(1572183690.384:26): pid=8623 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 58.727891][ T26] audit: type=1800 audit(1572183690.384:27): pid=8623 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 '10.128.0.43' (ECDSA) to the list of known hosts. 2019/10/27 13:41:54 parsed 1 programs 2019/10/27 13:41:57 executed programs: 0 syzkaller login: [ 85.660073][ T8797] IPVS: ftp: loaded support on port[0] = 21 [ 85.678888][ T8800] IPVS: ftp: loaded support on port[0] = 21 [ 85.688256][ T8803] IPVS: ftp: loaded support on port[0] = 21 [ 85.705556][ T8795] IPVS: ftp: loaded support on port[0] = 21 [ 85.707026][ T8804] IPVS: ftp: loaded support on port[0] = 21 [ 85.743838][ T8805] IPVS: ftp: loaded support on port[0] = 21 [ 85.933077][ T8803] chnl_net:caif_netlink_parms(): no params data found [ 86.028998][ T8797] chnl_net:caif_netlink_parms(): no params data found [ 86.061850][ T8803] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.069013][ T8803] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.077079][ T8803] device bridge_slave_0 entered promiscuous mode [ 86.094786][ T8804] chnl_net:caif_netlink_parms(): no params data found [ 86.139925][ T8803] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.147033][ T8803] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.155193][ T8803] device bridge_slave_1 entered promiscuous mode [ 86.188725][ T8805] chnl_net:caif_netlink_parms(): no params data found [ 86.239339][ T8803] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.249235][ T8795] chnl_net:caif_netlink_parms(): no params data found [ 86.263494][ T8797] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.271971][ T8797] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.280588][ T8797] device bridge_slave_0 entered promiscuous mode [ 86.292322][ T8797] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.299387][ T8797] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.307654][ T8797] device bridge_slave_1 entered promiscuous mode [ 86.322488][ T8803] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.376276][ T8804] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.385581][ T8804] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.393532][ T8804] device bridge_slave_0 entered promiscuous mode [ 86.401987][ T8804] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.409039][ T8804] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.417038][ T8804] device bridge_slave_1 entered promiscuous mode [ 86.443451][ T8805] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.450753][ T8805] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.458539][ T8805] device bridge_slave_0 entered promiscuous mode [ 86.475570][ T8797] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.493599][ T8803] team0: Port device team_slave_0 added [ 86.501065][ T8795] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.508190][ T8795] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.516084][ T8795] device bridge_slave_0 entered promiscuous mode [ 86.524068][ T8805] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.532439][ T8805] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.540272][ T8805] device bridge_slave_1 entered promiscuous mode [ 86.557646][ T8804] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.569727][ T8797] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.580288][ T8803] team0: Port device team_slave_1 added [ 86.586420][ T8795] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.594117][ T8795] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.602146][ T8795] device bridge_slave_1 entered promiscuous mode [ 86.621084][ T8804] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.630511][ T8800] chnl_net:caif_netlink_parms(): no params data found [ 86.694605][ T8795] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.709795][ T8805] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.720892][ T8797] team0: Port device team_slave_0 added [ 86.727687][ T8805] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.737976][ T8804] team0: Port device team_slave_0 added [ 86.792821][ T8803] device hsr_slave_0 entered promiscuous mode [ 86.849829][ T8803] device hsr_slave_1 entered promiscuous mode [ 86.926973][ T8795] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.943992][ T8797] team0: Port device team_slave_1 added [ 86.955830][ T8804] team0: Port device team_slave_1 added [ 86.990879][ T8795] team0: Port device team_slave_0 added [ 87.004083][ T8795] team0: Port device team_slave_1 added [ 87.011009][ T8805] team0: Port device team_slave_0 added [ 87.063450][ T8804] device hsr_slave_0 entered promiscuous mode [ 87.120312][ T8804] device hsr_slave_1 entered promiscuous mode [ 87.159752][ T8804] debugfs: Directory 'hsr0' with parent '/' already present! [ 87.186774][ T8805] team0: Port device team_slave_1 added [ 87.209023][ T8800] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.217860][ T8800] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.225796][ T8800] device bridge_slave_0 entered promiscuous mode [ 87.282788][ T8797] device hsr_slave_0 entered promiscuous mode [ 87.340022][ T8797] device hsr_slave_1 entered promiscuous mode [ 87.379618][ T8797] debugfs: Directory 'hsr0' with parent '/' already present! [ 87.442816][ T8795] device hsr_slave_0 entered promiscuous mode [ 87.509817][ T8795] device hsr_slave_1 entered promiscuous mode [ 87.569580][ T8795] debugfs: Directory 'hsr0' with parent '/' already present! [ 87.591193][ T8800] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.598425][ T8800] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.607035][ T8800] device bridge_slave_1 entered promiscuous mode [ 87.630131][ T8800] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.702658][ T8805] device hsr_slave_0 entered promiscuous mode [ 87.770244][ T8805] device hsr_slave_1 entered promiscuous mode [ 87.819671][ T8805] debugfs: Directory 'hsr0' with parent '/' already present! [ 87.828490][ T8800] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.858431][ T8800] team0: Port device team_slave_0 added [ 87.891059][ T8800] team0: Port device team_slave_1 added [ 87.961941][ T8800] device hsr_slave_0 entered promiscuous mode [ 88.009979][ T8800] device hsr_slave_1 entered promiscuous mode [ 88.049595][ T8800] debugfs: Directory 'hsr0' with parent '/' already present! [ 88.223286][ T8803] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.239132][ T8804] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.266769][ T8803] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.278800][ T8797] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.286429][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 88.295233][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.309989][ T8804] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.320248][ T3003] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 88.328478][ T3003] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.337701][ T3003] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 88.346704][ T3003] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 88.355674][ T3003] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.362902][ T3003] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.373868][ T3003] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 88.396130][ T8797] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.414205][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 88.424018][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 88.433064][ T3531] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.440199][ T3531] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.448718][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 88.457018][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.464855][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 88.473420][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 88.482519][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 88.491430][ T3531] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.498488][ T3531] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.506424][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 88.515401][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 88.523950][ T3531] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.531052][ T3531] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.562681][ T8805] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.576141][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 88.584273][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 88.593505][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 88.605823][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 88.616266][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 88.625248][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 88.634119][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 88.642889][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 88.651768][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.658890][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.666744][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 88.675999][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 88.684568][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.691677][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.699170][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 88.709708][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 88.717638][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 88.743803][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 88.752996][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 88.762347][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 88.771342][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 88.780054][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 88.788475][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 88.797091][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 88.805542][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 88.826110][ T8805] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.840509][ T8800] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.851888][ T8803] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 88.863675][ T8803] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 88.873707][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 88.882819][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 88.892108][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 88.901050][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 88.910086][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 88.918609][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 88.927115][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 88.934881][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.943109][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 88.951886][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 88.960404][ T28] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.967441][ T28] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.975147][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 88.984389][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 88.993400][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 89.001274][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 89.019250][ T8800] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.036398][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 89.045093][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 89.053661][ T28] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.060770][ T28] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.068410][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 89.077108][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 89.084866][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.093139][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 89.102229][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 89.110793][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 89.119119][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 89.127592][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 89.136109][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 89.144652][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 89.159745][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 89.168342][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 89.177840][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 89.186720][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 89.195697][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 89.204089][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 89.217326][ T8795] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.233616][ T8804] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 89.264823][ T8797] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.272157][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 89.280780][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 89.290594][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 89.299568][ T3531] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.306637][ T3531] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.314661][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 89.323479][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 89.332041][ T3531] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.339086][ T3531] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.346748][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 89.355284][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 89.363860][ T3531] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 89.378276][ T8803] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.410878][ T8805] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 89.429282][ T8805] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 89.444992][ T8795] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.456683][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 89.466178][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 89.476902][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 89.485969][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 89.494786][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 89.503413][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 89.512046][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 89.520601][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 89.528776][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 89.536825][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.545221][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 89.576234][ T8805] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.607108][ T8804] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.621927][ T8800] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 89.642691][ T8800] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 89.661505][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 89.671231][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 89.683449][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 89.692759][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 89.701133][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 89.709990][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 89.718537][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.725952][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.734334][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 89.743160][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 89.751649][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.758696][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.766616][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 89.776687][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 89.786640][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 89.794759][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 89.853024][ T8809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 89.881555][ T8809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 89.901652][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 89.926368][ T8800] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.954254][ C0] hrtimer: interrupt took 26404 ns [ 89.969765][ T8809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 89.978601][ T8809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.049015][ T8809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 90.057771][ T8809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 90.066299][ T8809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 90.075131][ T8809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 90.085894][ T8795] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 92.194225][ T8839] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.201980][ T8839] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.708240][ T8835] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.715585][ T8835] bridge0: port 1(bridge_slave_0) entered disabled state 2019/10/27 13:42:12 executed programs: 6 [ 101.143740][ T8795] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.687816][ T8864] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.695259][ T8864] bridge0: port 1(bridge_slave_0) entered disabled state 2019/10/27 13:42:18 executed programs: 8 [ 109.407381][ T8866] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.414897][ T8866] bridge0: port 1(bridge_slave_0) entered disabled state 2019/10/27 13:42:24 executed programs: 9 [ 115.222278][ T8879] bridge0: port 2(bridge_slave_1) entered disabled state [ 115.229736][ T8879] bridge0: port 1(bridge_slave_0) entered disabled state 2019/10/27 13:42:30 executed programs: 12 [ 121.017926][ T8912] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.025483][ T8912] bridge0: port 1(bridge_slave_0) entered disabled state 2019/10/27 13:42:36 executed programs: 17 2019/10/27 13:42:41 executed programs: 174 2019/10/27 13:42:46 executed programs: 328 2019/10/27 13:42:51 executed programs: 476 2019/10/27 13:42:56 executed programs: 629 2019/10/27 13:43:01 executed programs: 785 2019/10/27 13:43:06 executed programs: 939 2019/10/27 13:43:11 executed programs: 1095 2019/10/27 13:43:16 executed programs: 1244 2019/10/27 13:43:21 executed programs: 1396 2019/10/27 13:43:26 executed programs: 1540 2019/10/27 13:43:31 executed programs: 1689 2019/10/27 13:43:36 executed programs: 1843 2019/10/27 13:43:41 executed programs: 1995 2019/10/27 13:43:46 executed programs: 2145 2019/10/27 13:43:51 executed programs: 2292 2019/10/27 13:43:56 executed programs: 2439 2019/10/27 13:44:01 executed programs: 2582 2019/10/27 13:44:06 executed programs: 2728 2019/10/27 13:44:11 executed programs: 2872 2019/10/27 13:44:16 executed programs: 3010 2019/10/27 13:44:21 executed programs: 3151 2019/10/27 13:44:26 executed programs: 3289 [ 239.049577][ T1080] INFO: task khugepaged:1088 blocked for more than 143 seconds. [ 239.057485][ T1080] Not tainted 5.4.0-rc4-next-20191025 #0 [ 239.129844][ T3922] kobject: 'loop2' (000000007eabc5fb): kobject_uevent_env [ 239.137289][ T3922] kobject: 'loop2' (000000007eabc5fb): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 239.176026][ T1080] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 239.212049][ T3922] kobject: 'loop3' (00000000dd9a152b): kobject_uevent_env [ 239.219244][ T3922] kobject: 'loop3' (00000000dd9a152b): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 239.239516][ T1080] khugepaged D27848 1088 2 0x80004000 [ 239.259473][ T1080] Call Trace: [ 239.262868][ T1080] __schedule+0x94a/0x1e70 [ 239.267721][ T1080] ? __sched_text_start+0x8/0x8 [ 239.324395][ T3922] kobject: 'loop4' (0000000093c7000e): kobject_uevent_env [ 239.325016][ T1080] ? blk_insert_cloned_request+0x530/0x530 [ 239.367624][ T3922] kobject: 'loop4' (0000000093c7000e): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 239.369553][ T1080] ? _raw_spin_unlock_irq+0x23/0x80 [ 239.419884][ T1080] ? __lock_page+0x3d9/0xab0 [ 239.437006][ T3922] kobject: 'loop1' (00000000743d3606): kobject_uevent_env [ 239.444576][ T1080] ? _raw_spin_unlock_irq+0x23/0x80 [ 239.484053][ T3922] kobject: 'loop1' (00000000743d3606): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 239.489623][ T1080] schedule+0xdc/0x2b0 [ 239.527370][ T1080] io_schedule+0x1c/0x70 [ 239.548701][ T1080] __lock_page+0x422/0xab0 [ 239.548747][ T3922] kobject: 'loop5' (00000000426b2143): kobject_uevent_env [ 239.566710][ T1080] ? wait_on_page_bit+0xa60/0xa60 [ 239.588601][ T1080] ? page_cache_next_miss+0x340/0x340 [ 239.615423][ T1080] ? ___might_sleep+0x163/0x2c0 [ 239.644473][ T1080] ? __might_sleep+0x95/0x190 [ 239.651122][ T3922] kobject: 'loop5' (00000000426b2143): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 239.682931][ T1080] mpage_prepare_extent_to_map+0xb3f/0xf90 [ 239.710831][ T3922] kobject: 'loop0' (00000000bb3ac1f1): kobject_uevent_env [ 239.718028][ T3922] kobject: 'loop0' (00000000bb3ac1f1): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 239.728763][ T1080] ? mpage_process_page_bufs+0x780/0x780 [ 239.745159][ T1080] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 239.769504][ T1080] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.794067][ T3922] kobject: 'loop1' (00000000743d3606): kobject_uevent_env [ 239.806408][ T1080] ext4_writepages+0xb6a/0x2e70 [ 239.824514][ T1080] ? get_page_from_freelist+0x21fb/0x4330 [ 239.841056][ T3922] kobject: 'loop1' (00000000743d3606): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 239.857392][ T1080] ? find_held_lock+0x35/0x130 [ 239.870005][ T1080] ? get_page_from_freelist+0x21fb/0x4330 [ 239.875795][ T1080] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 239.885483][ T3922] kobject: 'loop4' (0000000093c7000e): kobject_uevent_env [ 239.923871][ T3922] kobject: 'loop4' (0000000093c7000e): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 239.939557][ T1080] ? 0xffffffff81000000 [ 239.943776][ T1080] ? mark_lock+0xc2/0x1220 [ 239.948222][ T1080] ? prep_new_page+0x19f/0x200 [ 239.977415][ T3922] kobject: 'loop5' (00000000426b2143): kobject_uevent_env [ 239.985021][ T1080] ? wbc_attach_and_unlock_inode+0x515/0x920 [ 240.010548][ T3922] kobject: 'loop5' (00000000426b2143): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 240.026580][ T1080] ? find_held_lock+0x35/0x130 [ 240.044110][ T1080] ? wbc_attach_and_unlock_inode+0x515/0x920 2019/10/27 13:44:31 executed programs: 3438 [ 240.068463][ T1080] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 240.085473][ T3922] kobject: 'loop0' (00000000bb3ac1f1): kobject_uevent_env [ 240.099515][ T1080] do_writepages+0xfa/0x2a0 [ 240.109831][ T1080] ? do_writepages+0xfa/0x2a0 [ 240.117918][ T3922] kobject: 'loop0' (00000000bb3ac1f1): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 240.128748][ T1080] ? lock_downgrade+0x920/0x920 [ 240.158757][ T1080] ? page_writeback_cpu_online+0x20/0x20 [ 240.178205][ T3922] kobject: 'loop2' (000000007eabc5fb): kobject_uevent_env [ 240.197936][ T1080] ? __kasan_check_read+0x11/0x20 [ 240.225088][ T1080] ? do_raw_spin_unlock+0x57/0x270 [ 240.234816][ T3922] kobject: 'loop2' (000000007eabc5fb): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 240.249524][ T1080] ? _raw_spin_unlock+0x28/0x40 [ 240.270148][ T1080] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.285401][ T3922] kobject: 'loop1' (00000000743d3606): kobject_uevent_env [ 240.292780][ T1080] ? wbc_attach_and_unlock_inode+0x5bf/0x920 [ 240.298797][ T1080] __filemap_fdatawrite_range+0x2bc/0x3b0 [ 240.318021][ T3922] kobject: 'loop1' (00000000743d3606): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 240.352047][ T1080] ? delete_from_page_cache_batch+0xfe0/0xfe0 [ 240.375070][ T3922] kobject: 'loop5' (00000000426b2143): kobject_uevent_env [ 240.392337][ T1080] ? lockdep_hardirqs_on+0x421/0x5e0 [ 240.416995][ T1080] filemap_flush+0x24/0x30 [ 240.429481][ T1080] collapse_file+0x36b1/0x41a0 [ 240.429612][ T3922] kobject: 'loop5' (00000000426b2143): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 240.434298][ T1080] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 240.434321][ T1080] ? khugepaged+0x21d0/0x4360 [ 240.434340][ T1080] ? trace_event_raw_event_mm_collapse_huge_page_isolate+0x370/0x370 [ 240.507400][ T3922] kobject: 'loop4' (0000000093c7000e): kobject_uevent_env [ 240.558681][ T3922] kobject: 'loop4' (0000000093c7000e): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 240.585148][ T1080] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 240.609271][ T1080] ? khugepaged_find_target_node+0x142/0x180 [ 240.612704][ T3922] kobject: 'loop0' (00000000bb3ac1f1): kobject_uevent_env [ 240.633952][ T1080] khugepaged+0x2da9/0x4360 [ 240.638572][ T1080] ? __kasan_check_read+0x11/0x20 [ 240.671841][ T3922] kobject: 'loop0' (00000000bb3ac1f1): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 240.682420][ T1080] ? __lock_acquire+0x16f2/0x4a00 [ 240.722862][ T1080] ? _raw_spin_unlock_irq+0x23/0x80 [ 240.728128][ T1080] ? finish_task_switch+0x147/0x750 [ 240.735409][ T3922] kobject: 'loop2' (000000007eabc5fb): kobject_uevent_env [ 240.774849][ T1080] ? _raw_spin_unlock_irq+0x23/0x80 [ 240.782946][ T3922] kobject: 'loop2' (000000007eabc5fb): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 240.813499][ T1080] ? lockdep_hardirqs_on+0x421/0x5e0 [ 240.818864][ T1080] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 240.854581][ T3922] kobject: 'loop1' (00000000743d3606): kobject_uevent_env [ 240.861024][ T1080] ? lock_downgrade+0x920/0x920 [ 240.869012][ T1080] ? finish_wait+0x260/0x260 [ 240.889533][ T1080] ? lockdep_hardirqs_on+0x421/0x5e0 [ 240.908723][ T3922] kobject: 'loop1' (00000000743d3606): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 240.919588][ T1080] ? trace_hardirqs_on+0x67/0x240 [ 240.924656][ T1080] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 240.966408][ T3922] kobject: 'loop5' (00000000426b2143): kobject_uevent_env [ 240.979505][ T1080] ? __kthread_parkme+0x108/0x1c0 [ 240.984589][ T1080] ? __kasan_check_read+0x11/0x20 [ 241.003219][ T3922] kobject: 'loop5' (00000000426b2143): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 241.035056][ T1080] kthread+0x361/0x430 [ 241.039274][ T1080] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 241.045355][ T3922] kobject: 'loop0' (00000000bb3ac1f1): kobject_uevent_env [ 241.079477][ T1080] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 241.104029][ T1080] ret_from_fork+0x24/0x30 [ 241.110507][ T3922] kobject: 'loop0' (00000000bb3ac1f1): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 241.118114][ T1080] [ 241.118114][ T1080] Showing all locks held in the system: [ 241.134091][ T1080] 4 locks held by kworker/u4:1/21: [ 241.139240][ T1080] #0: ffff8880a821bd28 ((wq_completion)writeback){+.+.}, at: process_one_work+0x88b/0x1740 [ 241.184772][ T3922] kobject: 'loop2' (000000007eabc5fb): kobject_uevent_env [ 241.217713][ T3922] kobject: 'loop2' (000000007eabc5fb): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 241.232015][ T1080] #1: ffff8880a9a07dc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x8c1/0x1740 [ 241.270793][ T3922] kobject: 'loop3' (00000000dd9a152b): kobject_uevent_env [ 241.283559][ T1080] #2: ffff88809b5100d8 (&type->s_umount_key#32){++++}, at: trylock_super+0x22/0x110 [ 241.306809][ T3922] kobject: 'loop3' (00000000dd9a152b): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 241.323872][ T1080] #3: ffff88809b512990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 241.358702][ T3922] kobject: 'loop3' (00000000dd9a152b): kobject_uevent_env [ 241.388002][ T1080] 1 lock held by khungtaskd/1080: [ 241.410583][ T1080] #0: ffffffff88faba80 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 241.420497][ T3922] kobject: 'loop3' (00000000dd9a152b): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 241.451072][ T1080] 1 lock held by khugepaged/1088: [ 241.456145][ T1080] #0: ffff88809b512990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 241.471397][ T3922] kobject: 'loop0' (00000000bb3ac1f1): kobject_uevent_env [ 241.478597][ T3922] kobject: 'loop0' (00000000bb3ac1f1): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 241.527217][ T1080] 3 locks held by udevd/3922: [ 241.549494][ T1080] 1 lock held by rsyslogd/8661: [ 241.554392][ T1080] #0: ffff8880a09cde20 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 241.564853][ T3922] kobject: 'loop1' (00000000743d3606): kobject_uevent_env [ 241.586857][ T3922] kobject: 'loop1' (00000000743d3606): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 241.602743][ T1080] 2 locks held by getty/8751: [ 241.618568][ T1080] #0: ffff88809b427090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 241.641215][ T3922] kobject: 'loop5' (00000000426b2143): kobject_uevent_env [ 241.659001][ T3922] kobject: 'loop5' (00000000426b2143): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 241.689352][ T1080] #1: ffffc90005f192e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 241.704812][ T3922] kobject: 'loop2' (000000007eabc5fb): kobject_uevent_env [ 241.715399][ T1080] 2 locks held by getty/8752: [ 241.735325][ T3922] kobject: 'loop2' (000000007eabc5fb): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 241.746020][ T1080] #0: ffff8880a789b090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 241.782705][ T1080] #1: ffffc90005f292e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 241.798727][ T3922] kobject: 'loop0' (00000000bb3ac1f1): kobject_uevent_env [ 241.825070][ T3922] kobject: 'loop0' (00000000bb3ac1f1): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 241.838491][ T1080] 2 locks held by getty/8753: [ 241.850428][ T1080] #0: ffff8880a932f090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 241.872518][ T3922] kobject: 'loop3' (00000000dd9a152b): kobject_uevent_env [ 241.888585][ T1080] #1: ffffc90005f092e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 241.919205][ T3922] kobject: 'loop3' (00000000dd9a152b): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 241.942658][ T1080] 2 locks held by getty/8754: [ 241.962758][ T1080] #0: ffff888093644090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 241.973984][ T3922] kobject: 'loop5' (00000000426b2143): kobject_uevent_env [ 242.006293][ T1080] #1: ffffc90005f2d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 242.016429][ T3922] kobject: 'loop5' (00000000426b2143): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 242.055964][ T1080] 2 locks held by getty/8755: [ 242.067378][ T3922] kobject: 'loop1' (00000000743d3606): kobject_uevent_env [ 242.089238][ T1080] #0: ffff8880a22af090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 242.115557][ T3922] kobject: 'loop1' (00000000743d3606): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 242.131734][ T1080] #1: ffffc90005f152e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 242.157578][ T3922] kobject: 'loop2' (000000007eabc5fb): kobject_uevent_env [ 242.174126][ T1080] 2 locks held by getty/8756: [ 242.178843][ T1080] #0: ffff8880a5a08090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 242.205723][ T3922] kobject: 'loop2' (000000007eabc5fb): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 242.242720][ T1080] #1: ffffc90005f312e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 242.256259][ T3922] kobject: 'loop0' (00000000bb3ac1f1): kobject_uevent_env [ 242.304664][ T1080] 2 locks held by getty/8757: [ 242.306320][ T3922] kobject: 'loop0' (00000000bb3ac1f1): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 242.334106][ T1080] #0: ffff88809b279090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 242.379494][ T1080] #1: ffffc90005f012e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 242.390731][ T3922] kobject: 'loop3' (00000000dd9a152b): kobject_uevent_env [ 242.397910][ T3922] kobject: 'loop3' (00000000dd9a152b): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 242.426357][ T1080] 3 locks held by syz-executor.2/8795: [ 242.461168][ T1080] 1 lock held by syz-executor.5/8803: [ 242.466631][ T1080] 2 locks held by syz-executor.2/22825: [ 242.487506][ T3922] kobject: 'loop5' (00000000426b2143): kobject_uevent_env [ 242.527624][ T3922] kobject: 'loop5' (00000000426b2143): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 242.529802][ T1080] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 242.599256][ T3922] kobject: 'loop1' (00000000743d3606): kobject_uevent_env [ 242.600603][ T1080] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 242.639151][ T3922] kobject: 'loop1' (00000000743d3606): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 242.683443][ T3922] kobject: 'loop2' (000000007eabc5fb): kobject_uevent_env [ 242.694756][ T1080] 2 locks held by syz-executor.3/22853: [ 242.720726][ T1080] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 242.726869][ T3922] kobject: 'loop2' (000000007eabc5fb): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 242.729035][ T1080] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 242.729077][ T1080] 1 lock held by syz-executor.3/22857: [ 242.792824][ T3922] kobject: 'loop0' (00000000bb3ac1f1): kobject_uevent_env [ 242.844923][ T3922] kobject: 'loop0' (00000000bb3ac1f1): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 242.889562][ T1080] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 242.907994][ T3922] kobject: 'loop3' (00000000dd9a152b): kobject_uevent_env [ 242.935348][ T1080] 1 lock held by syz-executor.2/22885: [ 242.959646][ T3922] kobject: 'loop3' (00000000dd9a152b): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 242.974783][ T1080] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 243.007917][ T3922] kobject: 'loop5' (00000000426b2143): kobject_uevent_env [ 243.018955][ T1080] 1 lock held by syz-executor.3/22891: [ 243.042432][ T1080] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 243.059945][ T3922] kobject: 'loop5' (00000000426b2143): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 243.088726][ T1080] 1 lock held by syz-executor.5/22905: [ 243.115272][ T3922] kobject: 'loop1' (00000000743d3606): kobject_uevent_env [ 243.129454][ T1080] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 243.137767][ T1080] 2 locks held by syz-executor.4/22909: [ 243.170922][ T3922] kobject: 'loop1' (00000000743d3606): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 243.193460][ T1080] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 243.221034][ T3922] kobject: 'loop5' (00000000426b2143): kobject_uevent_env [ 243.228226][ T3922] kobject: 'loop5' (00000000426b2143): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 243.257837][ T1080] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 243.295620][ T1080] 1 lock held by syz-executor.4/22927: [ 243.313050][ T3922] kobject: 'loop0' (00000000bb3ac1f1): kobject_uevent_env [ 243.327827][ T1080] 2 locks held by syz-executor.1/22931: [ 243.348706][ T1080] #0: ffff8880ae834d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 243.368343][ T3922] kobject: 'loop0' (00000000bb3ac1f1): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 243.400388][ T1080] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 243.409097][ T1080] 1 lock held by syz-executor.3/22942: [ 243.430885][ T3922] kobject: 'loop2' (000000007eabc5fb): kobject_uevent_env [ 243.438108][ T3922] kobject: 'loop2' (000000007eabc5fb): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 243.487437][ T1080] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 243.519574][ T1080] 2 locks held by syz-executor.0/22957: [ 243.525176][ T1080] 4 locks held by syz-executor.3/22959: [ 243.532476][ T3922] kobject: 'loop1' (00000000743d3606): kobject_uevent_env [ 243.577315][ T3922] kobject: 'loop1' (00000000743d3606): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 243.597317][ T1080] #0: ffff8880ae934d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 243.620886][ T3922] kobject: 'loop3' (00000000dd9a152b): kobject_uevent_env [ 243.628486][ T1080] #1: ffffffff88faba80 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 243.652690][ T3922] kobject: 'loop3' (00000000dd9a152b): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 243.675244][ T1080] #2: ffffffff88faba80 (rcu_read_lock){....}, at: nfulnl_rcv_nl_event+0x3b/0x4a0 [ 243.712205][ T3922] kobject: 'loop0' (00000000bb3ac1f1): kobject_uevent_env [ 243.719394][ T3922] kobject: 'loop0' (00000000bb3ac1f1): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 243.734948][ T1080] #3: ffffffff88faba80 (rcu_read_lock){....}, at: ip6_datagram_release_cb+0x9a/0x550 [ 243.762793][ T1080] [ 243.784427][ T1080] ============================================= [ 243.784427][ T1080] [ 243.796955][ T3922] kobject: 'loop5' (00000000426b2143): kobject_uevent_env [ 243.834785][ T1080] NMI backtrace for cpu 0 [ 243.839167][ T1080] CPU: 0 PID: 1080 Comm: khungtaskd Not tainted 5.4.0-rc4-next-20191025 #0 [ 243.847753][ T1080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.857818][ T1080] Call Trace: [ 243.861116][ T1080] dump_stack+0x172/0x1f0 [ 243.865459][ T1080] nmi_cpu_backtrace.cold+0x70/0xb2 [ 243.870662][ T1080] ? vprintk_func+0x86/0x189 [ 243.875261][ T1080] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 243.880916][ T1080] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 243.886904][ T1080] arch_trigger_cpumask_backtrace+0x14/0x20 [ 243.892781][ T1080] watchdog+0xc8f/0x1350 [ 243.897013][ T1080] kthread+0x361/0x430 [ 243.901062][ T1080] ? reset_hung_task_detector+0x30/0x30 [ 243.906588][ T1080] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 243.912290][ T1080] ret_from_fork+0x24/0x30 [ 243.916770][ T1080] Sending NMI from CPU 0 to CPUs 1: [ 243.922333][ C1] NMI backtrace for cpu 1 [ 243.922339][ C1] CPU: 1 PID: 22997 Comm: syz-executor.3 Not tainted 5.4.0-rc4-next-20191025 #0 [ 243.922345][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.922349][ C1] RIP: 0010:apic_timer_interrupt+0x0/0x20 [ 243.922358][ C1] Code: 31 ff fc e8 57 50 a0 f9 48 89 e7 e8 2a 93 a0 f9 e8 2e 50 a0 f9 e9 c5 f2 ff ff c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <68> 13 ff ff ff e8 76 f1 ff ff e8 61 2e 00 00 e9 6b f2 ff ff 66 90 [ 243.922362][ C1] RSP: 0018:ffff88807eb97d38 EFLAGS: 00000046 [ 243.922374][ C1] RAX: 0000000000000007 RBX: ffff8880a7237000 RCX: ffffffff8189bff1 [ 243.922378][ C1] RDX: 00000000ffffffff RSI: ffff8880a7237000 RDI: ffff8880a72372d4 [ 243.922383][ C1] RBP: ffff88807eb97ed8 R08: ffff8880925d62c0 R09: ffffed1015059889 [ 243.922387][ C1] R10: ffff88807eb97d58 R11: ffff8880a82cc447 R12: ffff8880a82cc400 [ 243.922392][ C1] R13: ffff8880a7237152 R14: 1ffff1100fd72fba R15: ffff8880a82cc440 [ 243.922397][ C1] FS: 00007f4ade45d700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 243.922401][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 243.922405][ C1] CR2: 000000000075c000 CR3: 00000000a42e4000 CR4: 00000000001406e0 [ 243.922410][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 243.922414][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 243.922417][ C1] Call Trace: [ 243.922420][ C1] ? __do_sys_perf_event_open+0x1b3d/0x2b90 [ 243.922424][ C1] ? __do_sys_perf_event_open+0x1ad5/0x2b90 [ 243.922427][ C1] ? perf_event_set_output+0x4e0/0x4e0 [ 243.922430][ C1] ? put_timespec64+0xda/0x140 [ 243.922434][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.922437][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.922441][ C1] ? do_syscall_64+0x26/0x760 [ 243.922444][ C1] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.922447][ C1] ? do_syscall_64+0x26/0x760 [ 243.922451][ C1] __x64_sys_perf_event_open+0xbe/0x150 [ 243.922454][ C1] do_syscall_64+0xfa/0x760 [ 243.922458][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.922460][ C1] RIP: 0033:0x459f39 [ 243.922471][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 243.922474][ C1] RSP: 002b:00007f4ade45cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 243.922482][ C1] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000459f39 [ 243.922487][ C1] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 000000002001d000 [ 243.922491][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 243.922496][ C1] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f4ade45d6d4 [ 243.922500][ C1] R13: 00000000004c71c4 R14: 00000000004dcad0 R15: 00000000ffffffff [ 243.941722][ T3922] kobject: 'loop5' (00000000426b2143): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 244.228498][ T1080] Kernel panic - not syncing: hung_task: blocked tasks [ 244.235419][ T1080] CPU: 0 PID: 1080 Comm: khungtaskd Not tainted 5.4.0-rc4-next-20191025 #0 [ 244.244008][ T1080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.254074][ T1080] Call Trace: [ 244.257377][ T1080] dump_stack+0x172/0x1f0 [ 244.261723][ T1080] panic+0x2e3/0x75c [ 244.265636][ T1080] ? add_taint.cold+0x16/0x16 [ 244.270330][ T1080] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 244.275981][ T1080] ? ___preempt_schedule+0x16/0x18 [ 244.281122][ T1080] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 244.287292][ T1080] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 244.293465][ T1080] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 244.299639][ T1080] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 244.305811][ T1080] watchdog+0xca0/0x1350 [ 244.310079][ T1080] kthread+0x361/0x430 [ 244.314162][ T1080] ? reset_hung_task_detector+0x30/0x30 [ 244.319730][ T1080] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 244.325466][ T1080] ret_from_fork+0x24/0x30 [ 244.331309][ T1080] Kernel Offset: disabled [ 244.335648][ T1080] Rebooting in 86400 seconds..