[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.680673][ T26] audit: type=1800 audit(1572597058.544:25): pid=8558 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.700435][ T26] audit: type=1800 audit(1572597058.544:26): pid=8558 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.720803][ T26] audit: type=1800 audit(1572597058.544:27): pid=8558 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 '10.128.1.48' (ECDSA) to the list of known hosts. 2019/11/01 08:31:09 parsed 1 programs 2019/11/01 08:31:11 executed programs: 0 syzkaller login: [ 66.851439][ T8736] IPVS: ftp: loaded support on port[0] = 21 [ 66.852433][ T8734] IPVS: ftp: loaded support on port[0] = 21 [ 66.870316][ T8740] IPVS: ftp: loaded support on port[0] = 21 [ 66.873154][ T8737] IPVS: ftp: loaded support on port[0] = 21 [ 66.877052][ T8732] IPVS: ftp: loaded support on port[0] = 21 [ 66.902976][ T8741] IPVS: ftp: loaded support on port[0] = 21 [ 67.158941][ T8734] chnl_net:caif_netlink_parms(): no params data found [ 67.183074][ T8741] chnl_net:caif_netlink_parms(): no params data found [ 67.213415][ T8740] chnl_net:caif_netlink_parms(): no params data found [ 67.339354][ T8736] chnl_net:caif_netlink_parms(): no params data found [ 67.361486][ T8741] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.369809][ T8741] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.377707][ T8741] device bridge_slave_0 entered promiscuous mode [ 67.405823][ T8740] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.412945][ T8740] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.420824][ T8740] device bridge_slave_0 entered promiscuous mode [ 67.428573][ T8734] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.436058][ T8734] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.443631][ T8734] device bridge_slave_0 entered promiscuous mode [ 67.451911][ T8741] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.459551][ T8741] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.467282][ T8741] device bridge_slave_1 entered promiscuous mode [ 67.476649][ T8732] chnl_net:caif_netlink_parms(): no params data found [ 67.490395][ T8740] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.500910][ T8740] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.508698][ T8740] device bridge_slave_1 entered promiscuous mode [ 67.515778][ T8734] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.523133][ T8734] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.531105][ T8734] device bridge_slave_1 entered promiscuous mode [ 67.564863][ T8741] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.592519][ T8736] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.599776][ T8736] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.607597][ T8736] device bridge_slave_0 entered promiscuous mode [ 67.616110][ T8734] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.625222][ T8736] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.632349][ T8736] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.640088][ T8736] device bridge_slave_1 entered promiscuous mode [ 67.652417][ T8741] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.662274][ T8737] chnl_net:caif_netlink_parms(): no params data found [ 67.679035][ T8734] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.725104][ T8740] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.735716][ T8736] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.746047][ T8740] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.776925][ T8734] team0: Port device team_slave_0 added [ 67.784759][ T8741] team0: Port device team_slave_0 added [ 67.792323][ T8736] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.819395][ T8734] team0: Port device team_slave_1 added [ 67.833233][ T8741] team0: Port device team_slave_1 added [ 67.844665][ T8740] team0: Port device team_slave_0 added [ 67.854448][ T8732] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.861595][ T8732] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.869687][ T8732] device bridge_slave_0 entered promiscuous mode [ 67.877367][ T8732] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.884434][ T8732] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.892576][ T8732] device bridge_slave_1 entered promiscuous mode [ 67.904161][ T8737] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.912544][ T8737] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.921892][ T8737] device bridge_slave_0 entered promiscuous mode [ 67.934091][ T8737] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.942179][ T8737] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.949957][ T8737] device bridge_slave_1 entered promiscuous mode [ 67.958641][ T8740] team0: Port device team_slave_1 added [ 67.978995][ T8736] team0: Port device team_slave_0 added [ 67.986002][ T8732] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.013057][ T8732] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.034273][ T8736] team0: Port device team_slave_1 added [ 68.118843][ T8740] device hsr_slave_0 entered promiscuous mode [ 68.185704][ T8740] device hsr_slave_1 entered promiscuous mode [ 68.327356][ T8741] device hsr_slave_0 entered promiscuous mode [ 68.385709][ T8741] device hsr_slave_1 entered promiscuous mode [ 68.435576][ T8741] debugfs: Directory 'hsr0' with parent '/' already present! [ 68.478740][ T8734] device hsr_slave_0 entered promiscuous mode [ 68.536097][ T8734] device hsr_slave_1 entered promiscuous mode [ 68.575405][ T8734] debugfs: Directory 'hsr0' with parent '/' already present! [ 68.584379][ T8737] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.633935][ T8737] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.646122][ T8732] team0: Port device team_slave_0 added [ 68.653758][ T8732] team0: Port device team_slave_1 added [ 68.728473][ T8736] device hsr_slave_0 entered promiscuous mode [ 68.785751][ T8736] device hsr_slave_1 entered promiscuous mode [ 68.835618][ T8736] debugfs: Directory 'hsr0' with parent '/' already present! [ 68.887591][ T8737] team0: Port device team_slave_0 added [ 68.938644][ T8732] device hsr_slave_0 entered promiscuous mode [ 68.985875][ T8732] device hsr_slave_1 entered promiscuous mode [ 69.045548][ T8732] debugfs: Directory 'hsr0' with parent '/' already present! [ 69.065155][ T8737] team0: Port device team_slave_1 added [ 69.207552][ T8737] device hsr_slave_0 entered promiscuous mode [ 69.256057][ T8737] device hsr_slave_1 entered promiscuous mode [ 69.315493][ T8737] debugfs: Directory 'hsr0' with parent '/' already present! [ 69.331823][ T8741] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.388987][ T8741] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.415293][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.423908][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.432774][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.441401][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.449758][ T1076] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.456941][ T1076] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.465075][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.473885][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.482249][ T1076] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.489337][ T1076] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.496988][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.505639][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.560920][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.569916][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.579060][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.587539][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.595929][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.604260][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.612944][ T1076] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.625810][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.634015][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.662220][ T8741] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.683617][ T8732] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.707658][ T8740] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.730872][ T8741] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.742558][ T8732] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.753706][ T8736] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.780718][ T8734] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.795089][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.803651][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.811563][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.819230][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.845582][ T8740] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.864037][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.873636][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.882955][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.890052][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.897604][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.906255][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.914507][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.921583][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.929109][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.938087][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.946646][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.954192][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.961863][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.970474][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.978891][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.987373][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.996742][ T8736] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.013465][ T8732] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.024324][ T8732] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.051858][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.066373][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.074261][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.083239][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.091849][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.098959][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.107850][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.116846][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.125170][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.133586][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.142075][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.150560][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.180704][ T8737] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.196823][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.204928][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.236598][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.245290][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.254553][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.261676][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.283174][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.302752][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.328186][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.335270][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.351851][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.361267][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.369927][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.377013][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.384721][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.393327][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.401769][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.410311][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.419514][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.428182][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.438066][ T8734] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.456596][ T8732] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.467741][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.476356][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.484291][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.492989][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.502660][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.511018][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.519541][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.528550][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.537170][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.545769][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.554009][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.562385][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.571004][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.590381][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.602609][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.618518][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.625611][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.641461][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.650059][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.659149][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.666251][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.674265][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.685101][ T8736] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.718262][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.731626][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.740048][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.749490][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.758317][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.766836][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.775075][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.783689][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.792074][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.800392][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.809249][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.817681][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.830745][ T8740] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.847893][ T8737] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.856906][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.864833][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.873679][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.882368][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.890862][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.912399][ T8734] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.945867][ T8750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.954515][ T8750] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.964371][ T8750] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.971496][ T8750] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.984251][ T8750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.993510][ T8750] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.002884][ T8750] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.010004][ T8750] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.018138][ T8750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.027243][ T8750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.039722][ T8736] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.065770][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.073741][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.083087][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.091657][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.101177][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.109559][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.117979][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.129745][ T8740] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.141417][ T8737] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.159167][ T8737] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.171052][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.180414][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.189108][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.208323][ T8734] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.257832][ T8737] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/11/01 08:31:16 executed programs: 25 2019/11/01 08:31:21 executed programs: 266 2019/11/01 08:31:26 executed programs: 500 2019/11/01 08:31:31 executed programs: 737 2019/11/01 08:31:36 executed programs: 972 2019/11/01 08:31:41 executed programs: 1205 2019/11/01 08:31:46 executed programs: 1427 2019/11/01 08:31:51 executed programs: 1648 2019/11/01 08:31:56 executed programs: 1864 2019/11/01 08:32:01 executed programs: 2070 2019/11/01 08:32:06 executed programs: 2274 2019/11/01 08:32:11 executed programs: 2482 2019/11/01 08:32:16 executed programs: 2687 2019/11/01 08:32:21 executed programs: 2890 2019/11/01 08:32:26 executed programs: 3091 2019/11/01 08:32:31 executed programs: 3292 2019/11/01 08:32:36 executed programs: 3491 2019/11/01 08:32:41 executed programs: 3681 2019/11/01 08:32:46 executed programs: 3873 2019/11/01 08:32:51 executed programs: 4061 2019/11/01 08:32:56 executed programs: 4243 2019/11/01 08:33:01 executed programs: 4418 2019/11/01 08:33:07 executed programs: 4602 2019/11/01 08:33:12 executed programs: 4777 2019/11/01 08:33:17 executed programs: 4953 2019/11/01 08:33:22 executed programs: 5123 2019/11/01 08:33:27 executed programs: 5300 2019/11/01 08:33:32 executed programs: 5473 2019/11/01 08:33:37 executed programs: 5645 2019/11/01 08:33:42 executed programs: 5817 2019/11/01 08:33:47 executed programs: 5985 2019/11/01 08:33:52 executed programs: 6152 2019/11/01 08:33:57 executed programs: 6320 [ 234.175491][ T1077] INFO: task khugepaged:1084 blocked for more than 143 seconds. [ 234.183541][ T1077] Not tainted 5.4.0-rc5-next-20191031 #0 [ 234.238098][ T1077] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.243730][ T4003] kobject: 'loop5' (00000000b324e07f): kobject_uevent_env [ 234.328296][ T1077] khugepaged D27704 1084 2 0x80004000 [ 234.362842][ T4003] kobject: 'loop5' (00000000b324e07f): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 234.374886][ T1077] Call Trace: [ 234.379223][ T1077] __schedule+0x94a/0x1e70 [ 234.383655][ T1077] ? __sched_text_start+0x8/0x8 [ 234.417801][ T4003] kobject: 'loop3' (0000000041e400ef): kobject_uevent_env [ 234.428358][ T1077] ? blk_insert_cloned_request+0x530/0x530 [ 234.446678][ T4003] kobject: 'loop3' (0000000041e400ef): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 234.458085][ T1077] ? _raw_spin_unlock_irq+0x23/0x80 [ 234.500393][ T1077] ? __lock_page+0x3d9/0xab0 [ 234.505024][ T1077] ? _raw_spin_unlock_irq+0x23/0x80 [ 234.513540][ T4003] kobject: 'loop1' (0000000036384b6c): kobject_uevent_env [ 234.527563][ T1077] schedule+0xdc/0x2b0 [ 234.531660][ T1077] io_schedule+0x1c/0x70 [ 234.557732][ T4003] kobject: 'loop1' (0000000036384b6c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 234.564129][ T1077] __lock_page+0x422/0xab0 [ 234.585788][ T1077] ? wait_on_page_bit+0xa60/0xa60 [ 234.611237][ T4003] kobject: 'loop4' (00000000fa5fddfd): kobject_uevent_env [ 234.615353][ T1077] ? page_cache_next_miss+0x340/0x340 [ 234.629656][ T1077] ? ___might_sleep+0x163/0x2c0 [ 234.634527][ T1077] ? __might_sleep+0x95/0x190 [ 234.642039][ T4003] kobject: 'loop4' (00000000fa5fddfd): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 234.674160][ T1077] mpage_prepare_extent_to_map+0xb3f/0xf90 [ 234.695797][ T4003] kobject: 'loop0' (000000002c137df2): kobject_uevent_env [ 234.702951][ T4003] kobject: 'loop0' (000000002c137df2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 234.703637][ T1077] ? mpage_process_page_bufs+0x780/0x780 [ 234.763132][ T1077] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 234.780077][ T4003] kobject: 'loop3' (0000000041e400ef): kobject_uevent_env [ 234.787838][ T1077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.822756][ T1077] ext4_writepages+0xb6a/0x2e70 [ 234.824462][ T4003] kobject: 'loop3' (0000000041e400ef): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 234.835397][ T1077] ? get_page_from_freelist+0x21fb/0x4330 [ 234.856775][ T1077] ? find_held_lock+0x35/0x130 [ 234.868396][ T1077] ? get_page_from_freelist+0x21fb/0x4330 [ 234.886614][ T1077] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 234.900783][ T4003] kobject: 'loop2' (00000000fbfbc344): kobject_uevent_env [ 234.907684][ T1077] ? 0xffffffff81000000 [ 234.918742][ T1077] ? mark_lock+0xc2/0x1220 [ 234.942214][ T1077] ? prep_new_page+0x19f/0x200 [ 234.945370][ T4003] kobject: 'loop2' (00000000fbfbc344): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 234.964721][ T1077] ? wbc_attach_and_unlock_inode+0x515/0x920 [ 234.986637][ T1077] ? find_held_lock+0x35/0x130 [ 234.991441][ T4003] kobject: 'loop1' (0000000036384b6c): kobject_uevent_env [ 234.991478][ T4003] kobject: 'loop1' (0000000036384b6c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 235.040572][ T1077] ? wbc_attach_and_unlock_inode+0x515/0x920 [ 235.078739][ T1077] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 235.085249][ T4003] kobject: 'loop4' (00000000fa5fddfd): kobject_uevent_env [ 235.105429][ T4003] kobject: 'loop4' (00000000fa5fddfd): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 235.129747][ T1077] do_writepages+0xfa/0x2a0 [ 235.134274][ T1077] ? do_writepages+0xfa/0x2a0 [ 235.150022][ T4003] kobject: 'loop2' (00000000fbfbc344): kobject_uevent_env [ 235.189433][ T4003] kobject: 'loop2' (00000000fbfbc344): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 235.195341][ T1077] ? lock_downgrade+0x920/0x920 [ 235.219464][ T1077] ? page_writeback_cpu_online+0x20/0x20 [ 235.233706][ T4003] kobject: 'loop0' (000000002c137df2): kobject_uevent_env [ 235.242575][ T1077] ? __kasan_check_read+0x11/0x20 [ 235.269808][ T1077] ? do_raw_spin_unlock+0x57/0x270 [ 235.270234][ T4003] kobject: 'loop0' (000000002c137df2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 235.275080][ T1077] ? _raw_spin_unlock+0x28/0x40 [ 235.275095][ T1077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.275113][ T1077] ? wbc_attach_and_unlock_inode+0x5bf/0x920 [ 235.315984][ T4003] kobject: 'loop1' (0000000036384b6c): kobject_uevent_env [ 235.335451][ T4003] kobject: 'loop1' (0000000036384b6c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 235.386744][ T4003] kobject: 'loop5' (00000000b324e07f): kobject_uevent_env [ 235.393919][ T4003] kobject: 'loop5' (00000000b324e07f): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 235.421811][ T1077] __filemap_fdatawrite_range+0x2bc/0x3b0 [ 235.450960][ T1077] ? delete_from_page_cache_batch+0xfe0/0xfe0 [ 235.473925][ T4003] kobject: 'loop4' (00000000fa5fddfd): kobject_uevent_env [ 235.481432][ T1077] ? lockdep_hardirqs_on+0x421/0x5e0 [ 235.502119][ T1077] filemap_flush+0x24/0x30 [ 235.514943][ T4003] kobject: 'loop4' (00000000fa5fddfd): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 235.520976][ T1077] collapse_file+0x36b1/0x41a0 [ 235.558784][ T1077] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 235.575369][ T1077] ? khugepaged+0x21c0/0x4360 [ 235.580081][ T1077] ? trace_event_raw_event_mm_collapse_huge_page_isolate+0x370/0x370 [ 235.580804][ T4003] kobject: 'loop0' (000000002c137df2): kobject_uevent_env [ 235.628565][ T1077] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 235.634324][ T1077] ? khugepaged_find_target_node+0x142/0x180 [ 235.655809][ T4003] kobject: 'loop0' (000000002c137df2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 235.676714][ T1077] khugepaged+0x2da9/0x4360 [ 235.695905][ T1077] ? __kasan_check_read+0x11/0x20 [ 235.705999][ T4003] kobject: 'loop5' (00000000b324e07f): kobject_uevent_env [ 235.713136][ T4003] kobject: 'loop5' (00000000b324e07f): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 235.717928][ T1077] ? __lock_acquire+0x16f2/0x4a00 [ 235.774532][ T1077] ? _raw_spin_unlock_irq+0x23/0x80 [ 235.780429][ T4003] kobject: 'loop2' (00000000fbfbc344): kobject_uevent_env [ 235.801367][ T1077] ? finish_task_switch+0x147/0x750 [ 235.811548][ T1077] ? _raw_spin_unlock_irq+0x23/0x80 [ 235.820958][ T4003] kobject: 'loop2' (00000000fbfbc344): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 235.830266][ T1077] ? lockdep_hardirqs_on+0x421/0x5e0 [ 235.858046][ T1077] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 235.877565][ T4003] kobject: 'loop1' (0000000036384b6c): kobject_uevent_env [ 235.884727][ T4003] kobject: 'loop1' (0000000036384b6c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 235.889411][ T1077] ? lock_downgrade+0x920/0x920 [ 235.930997][ T4003] kobject: 'loop4' (00000000fa5fddfd): kobject_uevent_env [ 235.951490][ T1077] ? finish_wait+0x260/0x260 [ 235.964165][ T4003] kobject: 'loop4' (00000000fa5fddfd): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 235.982876][ T1077] ? lockdep_hardirqs_on+0x421/0x5e0 [ 235.989271][ T1077] ? trace_hardirqs_on+0x67/0x240 [ 236.019953][ T4003] kobject: 'loop2' (00000000fbfbc344): kobject_uevent_env [ 236.027433][ T1077] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 236.033678][ T1077] ? __kthread_parkme+0x108/0x1c0 [ 236.045354][ T4003] kobject: 'loop2' (00000000fbfbc344): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 236.065452][ T1077] ? __kasan_check_read+0x11/0x20 [ 236.070597][ T1077] kthread+0x361/0x430 [ 236.074664][ T1077] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 236.089900][ T4003] kobject: 'loop0' (000000002c137df2): kobject_uevent_env [ 236.112300][ T4003] kobject: 'loop0' (000000002c137df2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 236.128307][ T1077] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 236.134051][ T1077] ret_from_fork+0x24/0x30 [ 236.161743][ T1077] [ 236.161743][ T1077] Showing all locks held in the system: [ 236.171524][ T4003] kobject: 'loop1' (0000000036384b6c): kobject_uevent_env [ 236.195666][ T4003] kobject: 'loop1' (0000000036384b6c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 236.215122][ T1077] 1 lock held by khungtaskd/1077: [ 236.254311][ T1077] #0: ffffffff88faba40 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 236.284839][ T1077] 1 lock held by khugepaged/1084: [ 236.296733][ T4003] kobject: 'loop5' (00000000b324e07f): kobject_uevent_env [ 236.300678][ T1077] #0: ffff88809ac44990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 236.303882][ T4003] kobject: 'loop5' (00000000b324e07f): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 236.357467][ T1077] 4 locks held by kworker/u4:5/2929: [ 236.384875][ T1077] #0: ffff8880a8614528 ((wq_completion)writeback){+.+.}, at: process_one_work+0x88b/0x1740 [ 236.411248][ T4003] kobject: 'loop0' (000000002c137df2): kobject_uevent_env [ 236.431272][ T1077] #1: ffff8880a0047dc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x8c1/0x1740 [ 236.448151][ T4003] kobject: 'loop0' (000000002c137df2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 236.492408][ T1077] #2: ffff88809ac420d8 (&type->s_umount_key#32){++++}, at: trylock_super+0x22/0x110 [ 236.495602][ T4003] kobject: 'loop2' (00000000fbfbc344): kobject_uevent_env [ 236.549628][ T1077] #3: ffff88809ac44990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 236.553270][ T4003] kobject: 'loop2' (00000000fbfbc344): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 236.591216][ T1077] 3 locks held by udevd/4003: [ 236.606238][ T1077] 1 lock held by rsyslogd/8596: [ 236.626550][ T1077] #0: ffff88808e8ba1a0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 236.633540][ T4003] kobject: 'loop4' (00000000fa5fddfd): kobject_uevent_env [ 236.635191][ T1077] 2 locks held by getty/8686: [ 236.668449][ T4003] kobject: 'loop4' (00000000fa5fddfd): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 236.720725][ T4003] kobject: 'loop5' (00000000b324e07f): kobject_uevent_env [ 236.722363][ T1077] #0: ffff888090ad7090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 236.745398][ T4003] kobject: 'loop5' (00000000b324e07f): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 236.789560][ T4003] kobject: 'loop1' (0000000036384b6c): kobject_uevent_env [ 236.798504][ T1077] #1: ffffc90005f452e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 236.834469][ T4003] kobject: 'loop1' (0000000036384b6c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 236.839078][ T1077] 2 locks held by getty/8687: [ 236.886168][ T4003] kobject: 'loop2' (00000000fbfbc344): kobject_uevent_env [ 236.893325][ T4003] kobject: 'loop2' (00000000fbfbc344): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 236.903828][ T1077] #0: ffff8880a4cf9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 236.929753][ T1077] #1: ffffc90005f5f2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 236.962143][ T1077] 2 locks held by getty/8688: [ 236.976948][ T1077] #0: ffff8880a8b3c090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 236.982560][ T4003] kobject: 'loop0' (000000002c137df2): kobject_uevent_env [ 237.007127][ T1077] #1: ffffc90005f572e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 237.031235][ T4003] kobject: 'loop0' (000000002c137df2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 237.042019][ T1077] 2 locks held by getty/8689: [ 237.071667][ T1077] #0: ffff88809ac66090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 237.071735][ T4003] kobject: 'loop4' (00000000fa5fddfd): kobject_uevent_env [ 237.115388][ T1077] #1: ffffc90005f632e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 237.125031][ T1077] 2 locks held by getty/8690: [ 237.145476][ T4003] kobject: 'loop4' (00000000fa5fddfd): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 237.156065][ T1077] #0: ffff8880a972d090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 237.165072][ T1077] #1: ffffc90005f3d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 237.190969][ T4003] kobject: 'loop1' (0000000036384b6c): kobject_uevent_env [ 237.221755][ T4003] kobject: 'loop1' (0000000036384b6c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 237.226032][ T1077] 2 locks held by getty/8691: [ 237.273104][ T1077] #0: ffff88808eb4e090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 237.276608][ T4003] kobject: 'loop5' (00000000b324e07f): kobject_uevent_env 2019/11/01 08:34:02 executed programs: 6536 [ 237.335442][ T4003] kobject: 'loop5' (00000000b324e07f): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 237.336450][ T1077] #1: ffffc90005f5b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 237.379942][ T4003] kobject: 'loop2' (00000000fbfbc344): kobject_uevent_env [ 237.409616][ T4003] kobject: 'loop2' (00000000fbfbc344): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 237.410921][ T1077] 2 locks held by getty/8692: [ 237.456175][ T1077] #0: ffff888099651090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 237.481020][ T4003] kobject: 'loop4' (00000000fa5fddfd): kobject_uevent_env [ 237.495399][ T4003] kobject: 'loop4' (00000000fa5fddfd): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 237.505077][ T1077] #1: ffffc90005f312e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 237.548736][ T4003] kobject: 'loop5' (00000000b324e07f): kobject_uevent_env [ 237.556136][ T1077] 2 locks held by syz-executor.1/8732: [ 237.575571][ T1077] 3 locks held by syz-executor.5/8740: [ 237.585436][ T4003] kobject: 'loop5' (00000000b324e07f): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 237.608662][ T1077] 2 locks held by syz-executor.2/27233: [ 237.614229][ T1077] 2 locks held by syz-executor.4/27234: [ 237.626688][ T4003] kobject: 'loop1' (0000000036384b6c): kobject_uevent_env [ 237.633876][ T4003] kobject: 'loop1' (0000000036384b6c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 237.656130][ T1077] #0: ffff8880ae834d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 237.664412][ T1077] #1: ffffffff88faba40 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 237.714010][ T4003] kobject: 'loop0' (000000002c137df2): kobject_uevent_env [ 237.731661][ T1077] 1 lock held by syz-executor.2/27245: [ 237.762030][ T4003] kobject: 'loop0' (000000002c137df2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 237.775470][ T1077] #0: ffff8880ae834d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 237.783755][ T1077] 2 locks held by syz-executor.1/27246: [ 237.826511][ T4003] kobject: 'loop4' (00000000fa5fddfd): kobject_uevent_env [ 237.833696][ T4003] kobject: 'loop4' (00000000fa5fddfd): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 237.855372][ T1077] #0: ffff8880ae834d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 237.873249][ T1077] #1: ffffffff88faba40 (rcu_read_lock){....}, at: update_curr+0x2ea/0x8d0 [ 237.900358][ T4003] kobject: 'loop5' (00000000b324e07f): kobject_uevent_env [ 237.925509][ T1077] [ 237.927872][ T1077] ============================================= [ 237.927872][ T1077] [ 237.942179][ T4003] kobject: 'loop5' (00000000b324e07f): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 237.975324][ T1077] NMI backtrace for cpu 1 [ 237.979731][ T1077] CPU: 1 PID: 1077 Comm: khungtaskd Not tainted 5.4.0-rc5-next-20191031 #0 [ 237.988310][ T1077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.998365][ T1077] Call Trace: [ 238.001656][ T1077] dump_stack+0x172/0x1f0 [ 238.005998][ T1077] nmi_cpu_backtrace.cold+0x70/0xb2 [ 238.011219][ T1077] ? vprintk_func+0x86/0x189 [ 238.015808][ T1077] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 238.021446][ T1077] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 238.027428][ T1077] arch_trigger_cpumask_backtrace+0x14/0x20 [ 238.033320][ T1077] watchdog+0xc8f/0x1350 [ 238.037563][ T1077] kthread+0x361/0x430 [ 238.041632][ T1077] ? reset_hung_task_detector+0x30/0x30 [ 238.047179][ T1077] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 238.052906][ T1077] ret_from_fork+0x24/0x30 [ 238.057410][ T1077] Sending NMI from CPU 1 to CPUs 0: [ 238.063056][ C0] NMI backtrace for cpu 0 [ 238.063062][ C0] CPU: 0 PID: 8732 Comm: syz-executor.1 Not tainted 5.4.0-rc5-next-20191031 #0 [ 238.063067][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.063071][ C0] RIP: 0010:__lock_acquire+0x1258/0x4a00 [ 238.063080][ C0] Code: 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 80 3c 02 00 <0f> 85 0b 28 00 00 49 81 3e e0 65 08 8a 0f 84 5f ee ff ff 83 fe 01 [ 238.063084][ C0] RSP: 0018:ffff88808d707988 EFLAGS: 00000046 [ 238.063092][ C0] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 238.063096][ C0] RDX: 1ffffffff15937c4 RSI: 0000000000000000 RDI: 0000000000000001 [ 238.063101][ C0] RBP: ffff88808d707aa0 R08: 0000000000000001 R09: 0000000000000001 [ 238.063105][ C0] R10: fffffbfff13903d0 R11: ffff888095398240 R12: ffffffff8ac9be20 [ 238.063110][ C0] R13: 0000000000000000 R14: ffffffff8ac9be20 R15: 0000000000000001 [ 238.063114][ C0] FS: 0000000002565940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 238.063118][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 238.063123][ C0] CR2: 00007fff3643afc8 CR3: 000000009a6cf000 CR4: 00000000001406f0 [ 238.063127][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 238.063132][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 238.063134][ C0] Call Trace: [ 238.063138][ C0] ? __lock_acquire+0x16f2/0x4a00 [ 238.063141][ C0] ? lock_downgrade+0x920/0x920 [ 238.063144][ C0] ? free_one_page+0x9e2/0x1260 [ 238.063147][ C0] ? find_held_lock+0x35/0x130 [ 238.063150][ C0] ? mark_held_locks+0xf0/0xf0 [ 238.063154][ C0] ? lock_downgrade+0x920/0x920 [ 238.063157][ C0] lock_acquire+0x190/0x410 [ 238.063160][ C0] ? debug_check_no_obj_freed+0xc0/0x43f [ 238.063164][ C0] _raw_spin_lock_irqsave+0x95/0xcd [ 238.063167][ C0] ? debug_check_no_obj_freed+0xc0/0x43f [ 238.063171][ C0] debug_check_no_obj_freed+0xc0/0x43f [ 238.063174][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 238.063177][ C0] __free_pages_ok+0x266/0xea0 [ 238.063180][ C0] __free_pages+0x85/0xb0 [ 238.063183][ C0] kmem_freepages+0x321/0x5d0 [ 238.063187][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 238.063190][ C0] slab_destroy+0x19/0x50 [ 238.063193][ C0] slabs_destroy+0x71/0x90 [ 238.063196][ C0] ___cache_free+0x29f/0x3a0 [ 238.063200][ C0] ? quarantine_reduce+0x15e/0x1a0 [ 238.063203][ C0] qlist_free_all+0x85/0x150 [ 238.063206][ C0] quarantine_reduce+0x15e/0x1a0 [ 238.063209][ C0] __kasan_kmalloc.constprop.0+0xa3/0xe0 [ 238.063212][ C0] kasan_slab_alloc+0xf/0x20 [ 238.063215][ C0] kmem_cache_alloc+0x121/0x710 [ 238.063218][ C0] getname_flags+0xd6/0x5b0 [ 238.063221][ C0] __x64_sys_unlink+0x35/0x50 [ 238.063225][ C0] do_syscall_64+0xfa/0x760 [ 238.063228][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 238.063231][ C0] RIP: 0033:0x459c97 [ 238.063240][ C0] Code: 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 00 66 90 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 2d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 238.063244][ C0] RSP: 002b:00007fff3643b198 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 238.063251][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000459c97 [ 238.063256][ C0] RDX: 00007fff3643b1b0 RSI: 00007fff3643b1b0 RDI: 00007fff3643b240 [ 238.063260][ C0] RBP: 0000000000000894 R08: 0000000000000000 R09: 000000000000000d [ 238.063265][ C0] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fff3643c2d0 [ 238.063269][ C0] R13: 0000000002566940 R14: 0000000000000000 R15: 00007fff3643c2d0 [ 238.071240][ T4003] kobject: 'loop3' (0000000041e400ef): kobject_uevent_env [ 238.441070][ T1077] Kernel panic - not syncing: hung_task: blocked tasks [ 238.448030][ T1077] CPU: 1 PID: 1077 Comm: khungtaskd Not tainted 5.4.0-rc5-next-20191031 #0 [ 238.456603][ T1077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.466774][ T1077] Call Trace: [ 238.470082][ T1077] dump_stack+0x172/0x1f0 [ 238.474425][ T1077] panic+0x2e3/0x75c [ 238.478423][ T1077] ? add_taint.cold+0x16/0x16 [ 238.483101][ T1077] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 238.488823][ T1077] ? ___preempt_schedule+0x16/0x18 [ 238.493934][ T1077] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 238.500096][ T1077] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 238.506352][ T1077] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 238.510697][ T4003] kobject: 'loop3' (0000000041e400ef): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 238.512500][ T1077] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 238.512517][ T1077] watchdog+0xca0/0x1350 [ 238.512538][ T1077] kthread+0x361/0x430 [ 238.532369][ T4003] kobject: 'loop2' (00000000fbfbc344): kobject_uevent_env [ 238.533025][ T1077] ? reset_hung_task_detector+0x30/0x30 [ 238.537127][ T4003] kobject: 'loop2' (00000000fbfbc344): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 238.544156][ T1077] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 238.544174][ T1077] ret_from_fork+0x24/0x30 [ 238.550929][ T4003] kobject: 'loop4' (00000000fa5fddfd): kobject_uevent_env [ 238.566778][ T1077] Kernel Offset: disabled [ 238.582589][ T1077] Rebooting in 86400 seconds..