[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 66.750695][ T26] kauditd_printk_skb: 4 callbacks suppressed [ 66.750705][ T26] audit: type=1800 audit(1569203482.245:29): pid=9460 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 66.777543][ T26] audit: type=1800 audit(1569203482.245:30): pid=9460 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.41' (ECDSA) to the list of known hosts. 2019/09/23 01:51:32 parsed 1 programs 2019/09/23 01:51:35 executed programs: 0 syzkaller login: [ 80.015609][ T9639] IPVS: ftp: loaded support on port[0] = 21 [ 80.037190][ T9637] IPVS: ftp: loaded support on port[0] = 21 [ 80.051140][ T9635] IPVS: ftp: loaded support on port[0] = 21 [ 80.056888][ T9642] IPVS: ftp: loaded support on port[0] = 21 [ 80.075256][ T9643] IPVS: ftp: loaded support on port[0] = 21 [ 80.192995][ T9645] IPVS: ftp: loaded support on port[0] = 21 [ 80.354115][ T9637] chnl_net:caif_netlink_parms(): no params data found [ 80.445237][ T9643] chnl_net:caif_netlink_parms(): no params data found [ 80.487655][ T9635] chnl_net:caif_netlink_parms(): no params data found [ 80.513440][ T9639] chnl_net:caif_netlink_parms(): no params data found [ 80.573782][ T9637] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.582047][ T9637] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.590168][ T9637] device bridge_slave_0 entered promiscuous mode [ 80.636881][ T9637] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.644406][ T9637] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.654567][ T9637] device bridge_slave_1 entered promiscuous mode [ 80.673296][ T9635] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.682786][ T9635] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.691495][ T9635] device bridge_slave_0 entered promiscuous mode [ 80.699158][ T9642] chnl_net:caif_netlink_parms(): no params data found [ 80.739241][ T9635] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.747093][ T9635] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.756458][ T9635] device bridge_slave_1 entered promiscuous mode [ 80.791620][ T9637] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.803129][ T9637] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.812763][ T9639] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.819927][ T9639] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.831215][ T9639] device bridge_slave_0 entered promiscuous mode [ 80.846714][ T9639] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.854828][ T9639] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.863151][ T9639] device bridge_slave_1 entered promiscuous mode [ 80.888266][ T9643] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.895696][ T9643] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.903893][ T9643] device bridge_slave_0 entered promiscuous mode [ 80.919911][ T9645] chnl_net:caif_netlink_parms(): no params data found [ 80.950047][ T9635] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.959925][ T9643] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.967256][ T9643] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.975752][ T9643] device bridge_slave_1 entered promiscuous mode [ 80.995630][ T9639] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.014620][ T9637] team0: Port device team_slave_0 added [ 81.022637][ T9635] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.056251][ T9639] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.075232][ T9637] team0: Port device team_slave_1 added [ 81.082672][ T9635] team0: Port device team_slave_0 added [ 81.100061][ T9643] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.117283][ T9642] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.124773][ T9642] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.132628][ T9642] device bridge_slave_0 entered promiscuous mode [ 81.152695][ T9635] team0: Port device team_slave_1 added [ 81.213646][ T9637] device hsr_slave_0 entered promiscuous mode [ 81.250681][ T9637] device hsr_slave_1 entered promiscuous mode [ 81.296797][ T9643] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.313486][ T9642] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.322428][ T9642] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.330141][ T9642] device bridge_slave_1 entered promiscuous mode [ 81.351237][ T9645] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.358399][ T9645] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.366917][ T9645] device bridge_slave_0 entered promiscuous mode [ 81.379523][ T9645] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.386816][ T9645] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.394657][ T9645] device bridge_slave_1 entered promiscuous mode [ 81.404659][ T9639] team0: Port device team_slave_0 added [ 81.452963][ T9635] device hsr_slave_0 entered promiscuous mode [ 81.490887][ T9635] device hsr_slave_1 entered promiscuous mode [ 81.540442][ T9635] debugfs: Directory 'hsr0' with parent '/' already present! [ 81.569186][ T9639] team0: Port device team_slave_1 added [ 81.583037][ T9642] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.593903][ T9643] team0: Port device team_slave_0 added [ 81.608040][ T9645] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.620576][ T9642] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.633562][ T9643] team0: Port device team_slave_1 added [ 81.654728][ T9645] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.683293][ T9642] team0: Port device team_slave_0 added [ 81.732313][ T9643] device hsr_slave_0 entered promiscuous mode [ 81.790595][ T9643] device hsr_slave_1 entered promiscuous mode [ 81.840470][ T9643] debugfs: Directory 'hsr0' with parent '/' already present! [ 81.904928][ T9639] device hsr_slave_0 entered promiscuous mode [ 81.940818][ T9639] device hsr_slave_1 entered promiscuous mode [ 81.980365][ T9639] debugfs: Directory 'hsr0' with parent '/' already present! [ 81.988880][ T9642] team0: Port device team_slave_1 added [ 82.014290][ T9645] team0: Port device team_slave_0 added [ 82.030104][ T9645] team0: Port device team_slave_1 added [ 82.103835][ T9645] device hsr_slave_0 entered promiscuous mode [ 82.141015][ T9645] device hsr_slave_1 entered promiscuous mode [ 82.180744][ T9645] debugfs: Directory 'hsr0' with parent '/' already present! [ 82.262387][ T9642] device hsr_slave_0 entered promiscuous mode [ 82.311052][ T9642] device hsr_slave_1 entered promiscuous mode [ 82.350586][ T9642] debugfs: Directory 'hsr0' with parent '/' already present! [ 82.448799][ T9637] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.516736][ T9643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.539354][ T9645] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.549343][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 82.567656][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.577915][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.588112][ T9637] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.611703][ T9635] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.638641][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.647799][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.657682][ T3010] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.665038][ T3010] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.674246][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.683902][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.693878][ T3010] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.701611][ T3010] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.709773][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.726116][ T9639] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.741808][ T9642] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.749229][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.768363][ T9643] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.784032][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.795339][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.804747][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.813363][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.823285][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.838513][ T9645] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.863852][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.873460][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.884649][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.895661][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.905771][ T9653] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.913712][ T9653] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.922328][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.931422][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.939944][ T9653] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.947984][ T9653] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.956447][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.965942][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.986413][ T9635] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.018060][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.032574][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.042381][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.051916][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.061713][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.073192][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.083867][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 83.092777][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.101152][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.110873][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.119393][ T9653] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.126920][ T9653] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.135088][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.144227][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.152387][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.161297][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.170924][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.179427][ T9653] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.186571][ T9653] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.195782][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.206087][ T9653] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.217902][ T9637] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.230952][ T9637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.244558][ T9639] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.259895][ T9642] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.270610][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 83.279487][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.288620][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.297478][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.308591][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.318200][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.326592][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.333830][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.371558][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 83.379793][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.389526][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.398159][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.407508][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.416253][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.423476][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.431293][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.440100][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.448730][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.457358][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.465926][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.473220][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.480908][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 83.489367][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.498019][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.506725][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.515718][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.524592][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.533306][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.540577][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.548222][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.559484][ T9637] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.573273][ T9645] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.585125][ T9645] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.621337][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.629412][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 83.638484][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 83.647006][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.655714][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.665239][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.674567][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.683741][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.692271][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.701699][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.710712][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.719408][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.728380][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.737056][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.744267][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.751976][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.761137][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.770066][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.779052][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.788150][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.796521][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.804814][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 83.813038][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.838188][ T9635] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 83.849552][ T9635] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.877020][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 83.885856][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.894683][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 83.909273][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.918028][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.928558][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.937392][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 83.946159][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.954952][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 83.964950][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.980339][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 83.994416][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 84.006608][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.016596][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 84.030720][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.046405][ T2822] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.061017][ T2822] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.077117][ T9645] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.111184][ T9643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.135824][ T9639] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 84.158074][ T9639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.186577][ T9654] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 84.209808][ T9654] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 84.240081][ T9654] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 84.259518][ T9635] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.294022][ T9639] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.308673][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 84.318043][ T1523] block nbd0: Receive control failed (result -22) [ 84.343316][ T9665] block nbd0: shutting down sockets [ 84.355713][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 84.367451][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.381792][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 84.400036][ T9643] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.444475][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 84.459104][ T1523] block nbd0: Receive control failed (result -22) [ 84.472050][ T9673] block nbd0: shutting down sockets [ 84.492212][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.512384][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 84.534044][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 84.551786][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 84.564507][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 84.620506][ T9642] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.653539][ T1523] block nbd0: Receive control failed (result -22) [ 84.664823][ T9687] block nbd0: shutting down sockets [ 84.673583][ T1523] block nbd5: Receive control failed (result -22) [ 84.684260][ T9684] block nbd5: shutting down sockets [ 84.751037][ T9642] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.849289][ T1523] block nbd3: Receive control failed (result -22) [ 84.861010][ T1523] block nbd5: Receive control failed (result -22) [ 84.869563][ T9705] block nbd5: shutting down sockets [ 84.877115][ T9699] block nbd3: shutting down sockets 2019/09/23 01:51:40 executed programs: 10 [ 84.895883][ T1523] block nbd1: Receive control failed (result -22) [ 84.904313][ T9703] block nbd1: shutting down sockets [ 84.934556][ T1523] block nbd0: Receive control failed (result -22) [ 84.943741][ T9708] block nbd0: shutting down sockets [ 85.069702][ T1523] block nbd3: Receive control failed (result -22) [ 85.078909][ T9717] block nbd3: shutting down sockets [ 85.096326][ T1523] block nbd1: Receive control failed (result -22) [ 85.118830][ T9724] block nbd1: shutting down sockets [ 85.172134][ T1523] block nbd5: Receive control failed (result -22) [ 85.181218][ T9726] block nbd5: shutting down sockets [ 85.214078][ T1523] block nbd0: Receive control failed (result -22) [ 85.222033][ T9731] block nbd0: shutting down sockets [ 85.250805][ T1523] block nbd4: Receive control failed (result -22) [ 85.259414][ T9735] block nbd4: shutting down sockets [ 85.285733][ T1523] block nbd2: Receive control failed (result -22) [ 85.297650][ T9739] block nbd2: shutting down sockets [ 85.361064][ T1523] block nbd3: Receive control failed (result -22) [ 85.371715][ T9746] block nbd3: shutting down sockets [ 85.397538][ T1523] block nbd5: Receive control failed (result -22) [ 85.405295][ T9753] block nbd5: shutting down sockets [ 85.443158][ T1523] block nbd1: Receive control failed (result -22) [ 85.454867][ T9752] block nbd1: shutting down sockets [ 85.465772][ T1523] block nbd0: Receive control failed (result -22) [ 85.474380][ T9757] block nbd0: shutting down sockets [ 85.501084][ T1523] block nbd4: Receive control failed (result -22) [ 85.509733][ T9755] block nbd4: shutting down sockets [ 85.539283][ T1523] block nbd2: Receive control failed (result -22) [ 85.548183][ T1523] block nbd3: Receive control failed (result -22) [ 85.556199][ T9766] block nbd3: shutting down sockets [ 85.617796][ T9765] block nbd2: shutting down sockets [ 85.650029][ T1523] block nbd5: Receive control failed (result -22) [ 85.661943][ T9776] block nbd5: shutting down sockets [ 85.662426][ T1523] block nbd1: Receive control failed (result -22) [ 85.681050][ T9773] block nbd1: shutting down sockets [ 85.691853][ T1523] block nbd4: Receive control failed (result -22) [ 85.705523][ T9779] block nbd4: shutting down sockets [ 85.724562][ T1523] block nbd0: Receive control failed (result -22) [ 85.744534][ T9778] block nbd0: shutting down sockets [ 85.822807][ T1523] block nbd2: Receive control failed (result -22) [ 85.833193][ T9788] block nbd2: shutting down sockets [ 85.895393][ T1523] block nbd5: Receive control failed (result -22) [ 85.914867][ T1523] block nbd3: Receive control failed (result -22) [ 85.930181][ T9790] block nbd3: shutting down sockets [ 85.946834][ T9792] block nbd5: shutting down sockets [ 85.982058][ T1523] block nbd4: Receive control failed (result -22) [ 85.992053][ T9802] block nbd4: shutting down sockets [ 86.008236][ T1523] block nbd0: Receive control failed (result -22) [ 86.024050][ T9804] block nbd0: shutting down sockets [ 86.070944][ T1523] block nbd1: Receive control failed (result -22) [ 86.103982][ T1523] block nbd2: Receive control failed (result -22) [ 86.114232][ T9813] block nbd2: shutting down sockets [ 86.139420][ T1523] block nbd3: Receive control failed (result -22) [ 86.152265][ T9819] block nbd3: shutting down sockets [ 86.168817][ T1523] block nbd5: Receive control failed (result -22) [ 86.176622][ T9817] block nbd5: shutting down sockets [ 86.234374][ T1523] block nbd4: Receive control failed (result -22) [ 86.242354][ T9825] block nbd4: shutting down sockets [ 86.294884][ T1523] block nbd2: Receive control failed (result -22) [ 86.305321][ T9831] block nbd2: shutting down sockets [ 86.312057][ T9803] block nbd1: shutting down sockets [ 86.321219][ T1523] block nbd0: Receive control failed (result -22) [ 86.337844][ T9830] block nbd0: shutting down sockets [ 86.385023][ T1523] block nbd5: Receive control failed (result -22) [ 86.393721][ T1523] block nbd3: Receive control failed (result -22) [ 86.403204][ T9838] block nbd5: shutting down sockets [ 86.438586][ T1523] block nbd4: Receive control failed (result -22) [ 86.448363][ T9844] block nbd4: shutting down sockets [ 86.490563][ T9839] block nbd3: shutting down sockets [ 86.527917][ T9847] block nbd1: Receive control failed (result -22) [ 86.537530][ T9850] block nbd1: shutting down sockets [ 86.582034][ T9847] block nbd0: Receive control failed (result -22) [ 86.594475][ T9847] block nbd2: Receive control failed (result -22) [ 86.606483][ T9855] block nbd2: shutting down sockets [ 86.610574][ T9851] block nbd0: shutting down sockets [ 86.617823][ T9847] block nbd4: Receive control failed (result -22) [ 86.641272][ T9862] block nbd4: shutting down sockets [ 86.686313][ T9847] block nbd5: Receive control failed (result -22) [ 86.695102][ T9861] block nbd5: shutting down sockets [ 86.777564][ T9847] block nbd3: Receive control failed (result -22) [ 86.789164][ T9870] block nbd3: shutting down sockets [ 86.809697][ T9847] block nbd1: Receive control failed (result -22) [ 86.818862][ T9874] block nbd1: shutting down sockets [ 86.843477][ T9847] block nbd2: Receive control failed (result -22) [ 86.858589][ T9847] block nbd4: Receive control failed (result -22) [ 86.860626][ T9873] block nbd2: shutting down sockets [ 86.873279][ T9847] block nbd0: Receive control failed (result -22) [ 86.881468][ T9880] block nbd0: shutting down sockets [ 86.906170][ T9847] block nbd5: Receive control failed (result -22) [ 86.914455][ T9889] block nbd5: shutting down sockets [ 86.934969][ T9875] block nbd4: shutting down sockets [ 87.020989][ T9847] block nbd3: Receive control failed (result -22) [ 87.081529][ T9847] block nbd1: Receive control failed (result -22) [ 87.089688][ T9897] block nbd1: shutting down sockets [ 87.100763][ T9893] block nbd3: shutting down sockets [ 87.124048][ T9847] block nbd0: Receive control failed (result -22) [ 87.133027][ T9898] block nbd0: shutting down sockets [ 87.142673][ T9668] block nbd2: Receive control failed (result -22) [ 87.149994][ T9668] block nbd4: Receive control failed (result -22) [ 87.150893][ T9905] block nbd2: shutting down sockets [ 87.169393][ T9668] block nbd5: Receive control failed (result -22) [ 87.177452][ T9906] block nbd5: shutting down sockets [ 87.224141][ T9908] block nbd4: shutting down sockets [ 87.301224][ T9668] block nbd5: Receive control failed (result -22) [ 87.308934][ T9923] block nbd5: shutting down sockets [ 87.315318][ T9668] block nbd3: Receive control failed (result -22) [ 87.323137][ T9924] block nbd3: shutting down sockets [ 87.329016][ T9668] block nbd1: Receive control failed (result -22) [ 87.339806][ T9918] block nbd1: shutting down sockets [ 87.379510][ T9668] block nbd0: Receive control failed (result -22) [ 87.388122][ T9916] block nbd0: shutting down sockets [ 87.412170][ T9668] block nbd4: Receive control failed (result -22) [ 87.430334][ T9934] block nbd4: shutting down sockets [ 87.515588][ T9668] block nbd2: Receive control failed (result -22) [ 87.541032][ T9937] block nbd2: shutting down sockets [ 87.576154][ T9668] block nbd1: Receive control failed (result -22) [ 87.591104][ T9847] block nbd5: Receive control failed (result -22) [ 87.605038][ T9943] block nbd5: shutting down sockets [ 87.619936][ T9668] block nbd0: Receive control failed (result -22) [ 87.620093][ T9942] block nbd1: shutting down sockets [ 87.638024][ T9668] block nbd3: Receive control failed (result -22) [ 87.660616][ T9944] block nbd3: shutting down sockets [ 87.716523][ T9668] block nbd4: Receive control failed (result -22) [ 87.725814][ T9953] block nbd0: shutting down sockets [ 87.737551][ T9954] block nbd4: shutting down sockets [ 87.907144][ T9668] block nbd1: Receive control failed (result -22) [ 87.922055][ T9847] block nbd5: Receive control failed (result -22) [ 87.934813][ T9847] block nbd3: Receive control failed (result -22) [ 87.945829][ T9668] block nbd1: shutting down sockets [ 87.958731][ T9971] block nbd3: shutting down sockets [ 87.960896][ T9668] [ 87.975568][ T9668] ============================================ [ 87.983775][ T9972] block nbd5: shutting down sockets [ 87.988831][ T9668] WARNING: possible recursive locking detected [ 87.988839][ T9668] 5.3.0+ #0 Not tainted [ 87.988841][ T9668] -------------------------------------------- [ 87.988848][ T9668] kworker/u5:1/9668 is trying to acquire lock: [ 87.988853][ T9668] ffff88808f1483e8 ((wq_completion)knbd1-recv){+.+.}, at: flush_workqueue+0xf7/0x14b0 [ 87.988886][ T9668] [ 87.988886][ T9668] but task is already holding lock: [ 88.003555][ T3892] kobject: 'loop1' (0000000070af5499): kobject_uevent_env [ 88.013137][ T9668] ffff88808f1483e8 ((wq_completion)knbd1-recv){+.+.}, at: process_one_work+0x88b/0x1740 [ 88.013163][ T9668] [ 88.013163][ T9668] other info that might help us debug this: [ 88.013166][ T9668] Possible unsafe locking scenario: [ 88.013166][ T9668] [ 88.013176][ T9668] CPU0 [ 88.031831][ T9967] kobject: 'nbd2' (0000000012b10e7c): kobject_uevent_env [ 88.032144][ T9668] ---- [ 88.062319][ T3892] kobject: 'loop1' (0000000070af5499): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 88.071059][ T9668] lock((wq_completion)knbd1-recv); [ 88.071068][ T9668] lock((wq_completion)knbd1-recv); [ 88.071073][ T9668] [ 88.071073][ T9668] *** DEADLOCK *** [ 88.071073][ T9668] [ 88.071076][ T9668] May be due to missing lock nesting notation [ 88.071076][ T9668] [ 88.071086][ T9668] 3 locks held by kworker/u5:1/9668: [ 88.071089][ T9668] #0: ffff88808f1483e8 ((wq_completion)knbd1-recv){+.+.}, at: process_one_work+0x88b/0x1740 [ 88.071117][ T9668] #1: ffff88807b937dc0 ((work_completion)(&args->work)){+.+.}, at: process_one_work+0x8c1/0x1740 [ 88.071142][ T9668] #2: ffff8880a3f11bf8 (&nbd->config_lock){+.+.}, at: refcount_dec_and_mutex_lock+0x56/0x90 [ 88.083966][ T9967] kobject: 'nbd2' (0000000012b10e7c): fill_kobj_path: path = '/devices/virtual/block/nbd2' [ 88.101561][ T9668] [ 88.101561][ T9668] stack backtrace: [ 88.101575][ T9668] CPU: 1 PID: 9668 Comm: kworker/u5:1 Not tainted 5.3.0+ #0 [ 88.101581][ T9668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.101600][ T9668] Workqueue: knbd1-recv recv_work [ 88.101606][ T9668] Call Trace: [ 88.101630][ T9668] dump_stack+0x172/0x1f0 [ 88.101645][ T9668] __lock_acquire.cold+0x188/0x398 [ 88.101660][ T9668] ? mark_held_locks+0xf0/0xf0 [ 88.101676][ T9668] lock_acquire+0x190/0x410 [ 88.152497][ T3892] kobject: 'loop3' (00000000690d6c8e): kobject_uevent_env [ 88.156416][ T9668] ? flush_workqueue+0xf7/0x14b0 [ 88.156430][ T9668] flush_workqueue+0x126/0x14b0 [ 88.156445][ T9668] ? flush_workqueue+0xf7/0x14b0 [ 88.188501][ T3892] kobject: 'loop3' (00000000690d6c8e): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 88.191244][ T9668] ? lock_downgrade+0x920/0x920 [ 88.191257][ T9668] ? drain_workqueue+0x2b/0x470 [ 88.191270][ T9668] ? debug_check_no_obj_freed+0x20a/0x43f [ 88.191280][ T9668] ? find_held_lock+0x35/0x130 [ 88.191298][ T9668] ? pwq_unbound_release_workfn+0x2f0/0x2f0 [ 88.214517][ T3892] kobject: 'loop5' (00000000665bd8a8): kobject_uevent_env [ 88.218034][ T9668] ? mark_lock+0xc2/0x1220 [ 88.218051][ T9668] drain_workqueue+0x1b4/0x470 [ 88.218067][ T9668] ? drain_workqueue+0x1b4/0x470 [ 88.229302][ T3892] kobject: 'loop5' (00000000665bd8a8): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 88.248131][ T9668] ? kfree+0x226/0x2c0 [ 88.248150][ T9668] destroy_workqueue+0x21/0x6c0 [ 88.248163][ T9668] ? nbd_config_put+0x378/0x870 [ 88.248176][ T9668] nbd_config_put+0x3dd/0x870 [ 88.248191][ T9668] recv_work+0x19b/0x200 [ 88.248201][ T9668] process_one_work+0x9af/0x1740 [ 88.248219][ T9668] ? pwq_dec_nr_in_flight+0x320/0x320 [ 88.621257][ T9668] ? lock_acquire+0x190/0x410 [ 88.626207][ T9668] worker_thread+0x98/0xe40 [ 88.631566][ T9668] kthread+0x361/0x430 [ 88.635745][ T9668] ? process_one_work+0x1740/0x1740 [ 88.641880][ T9668] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 88.648105][ T9668] ret_from_fork+0x24/0x30 [ 88.655350][ T9847] block nbd2: Receive control failed (result -22) [ 88.670484][ T9966] block nbd2: shutting down sockets [ 88.677090][ T9970] kobject: 'nbd4' (0000000071312c24): kobject_uevent_env [ 88.677096][ T9847] block nbd4: Receive control failed (result -22) [ 88.687056][ T9847] block nbd3: Receive control failed (result -22) [ 88.691242][ T9981] kobject: 'nbd0' (000000006e947bb1): kobject_uevent_env [ 88.697123][ T9847] block nbd0: Receive control failed (result -22) [ 88.711932][ T9992] kobject: 'nbd5' (00000000634b3ec4): kobject_uevent_env [ 88.719142][ T9991] kobject: 'nbd3' (0000000035f1cfde): kobject_uevent_env [ 88.726406][ T9847] block nbd5: Receive control failed (result -22) [ 88.736267][ T9992] kobject: 'nbd5' (00000000634b3ec4): fill_kobj_path: path = '/devices/virtual/block/nbd5' [ 88.737781][ T3892] kobject: 'loop2' (00000000f0a04301): kobject_uevent_env [ 88.748578][ T9991] kobject: 'nbd3' (0000000035f1cfde): fill_kobj_path: path = '/devices/virtual/block/nbd3' [ 88.757053][ T9981] kobject: 'nbd0' (000000006e947bb1): fill_kobj_path: path = '/devices/virtual/block/nbd0' [ 88.770209][ T9970] kobject: 'nbd4' (0000000071312c24): fill_kobj_path: path = '/devices/virtual/block/nbd4' [ 88.779838][ T3892] kobject: 'loop2' (00000000f0a04301): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 88.786162][ T9989] block nbd5: shutting down sockets [ 88.795073][ T9981] block nbd0: shutting down sockets [ 88.799813][ T9990] block nbd3: shutting down sockets [ 88.822387][ T9970] block nbd4: shutting down sockets [ 88.850882][ T3892] kobject: 'loop5' (00000000665bd8a8): kobject_uevent_env [ 88.878643][ T3892] kobject: 'loop5' (00000000665bd8a8): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 88.897832][ T3892] kobject: 'loop0' (00000000a2b3dd44): kobject_uevent_env [ 88.905128][ T3892] kobject: 'loop0' (00000000a2b3dd44): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 88.916880][ T3892] kobject: 'loop3' (00000000690d6c8e): kobject_uevent_env [ 88.924617][ T3892] kobject: 'loop3' (00000000690d6c8e): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 88.936678][ T3892] kobject: 'loop4' (00000000cfc3ca77): kobject_uevent_env [ 88.943966][ T3892] kobject: 'loop4' (00000000cfc3ca77): fill_kobj_path: path = '/devices/virtual/block/loop4'