[ 34.454867][ T26] audit: type=1800 audit(1570913734.030:22): pid=7304 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 46.500502][ T7470] IPVS: ftp: loaded support on port[0] = 21 [ 46.923342][ T7474] can: request_module (can-proto-0) failed. [ 48.135297][ T7474] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.1.27' (ECDSA) to the list of known hosts. 2019/10/12 20:55:55 parsed 1 programs 2019/10/12 20:55:56 executed programs: 0 [ 56.586771][ T7547] IPVS: ftp: loaded support on port[0] = 21 [ 56.591182][ T7544] IPVS: ftp: loaded support on port[0] = 21 [ 56.627307][ T7548] IPVS: ftp: loaded support on port[0] = 21 [ 56.660354][ T7553] IPVS: ftp: loaded support on port[0] = 21 [ 56.676441][ T7554] IPVS: ftp: loaded support on port[0] = 21 [ 56.686782][ T7551] IPVS: ftp: loaded support on port[0] = 21 [ 56.769582][ T7547] chnl_net:caif_netlink_parms(): no params data found [ 56.856616][ T7548] chnl_net:caif_netlink_parms(): no params data found [ 56.873533][ T7544] chnl_net:caif_netlink_parms(): no params data found [ 56.885167][ T7547] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.892949][ T7547] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.901061][ T7547] device bridge_slave_0 entered promiscuous mode [ 56.911132][ T7547] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.918379][ T7547] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.925968][ T7547] device bridge_slave_1 entered promiscuous mode [ 56.960234][ T7547] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.972531][ T7547] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.002330][ T7548] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.009556][ T7548] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.017148][ T7548] device bridge_slave_0 entered promiscuous mode [ 57.025062][ T7548] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.032105][ T7548] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.039719][ T7548] device bridge_slave_1 entered promiscuous mode [ 57.057228][ T7547] team0: Port device team_slave_0 added [ 57.065227][ T7547] team0: Port device team_slave_1 added [ 57.082279][ T7544] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.089548][ T7544] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.097295][ T7544] device bridge_slave_0 entered promiscuous mode [ 57.108324][ T7553] chnl_net:caif_netlink_parms(): no params data found [ 57.161040][ T7548] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.170288][ T7544] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.179252][ T7544] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.187772][ T7544] device bridge_slave_1 entered promiscuous mode [ 57.226103][ T7548] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.239579][ T7544] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.249911][ T7553] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.257200][ T7553] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.264960][ T7553] device bridge_slave_0 entered promiscuous mode [ 57.306441][ T7547] device hsr_slave_0 entered promiscuous mode [ 57.344254][ T7547] device hsr_slave_1 entered promiscuous mode [ 57.401433][ T7551] chnl_net:caif_netlink_parms(): no params data found [ 57.415846][ T7544] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.425131][ T7553] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.432279][ T7553] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.439933][ T7553] device bridge_slave_1 entered promiscuous mode [ 57.463373][ T7548] team0: Port device team_slave_0 added [ 57.480422][ T7544] team0: Port device team_slave_0 added [ 57.491061][ T7544] team0: Port device team_slave_1 added [ 57.498045][ T7553] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.508900][ T7548] team0: Port device team_slave_1 added [ 57.516689][ T7554] chnl_net:caif_netlink_parms(): no params data found [ 57.536748][ T7553] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.570573][ T7553] team0: Port device team_slave_0 added [ 57.577892][ T7553] team0: Port device team_slave_1 added [ 57.597880][ T7551] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.605267][ T7551] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.613006][ T7551] device bridge_slave_0 entered promiscuous mode [ 57.620467][ T7551] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.627936][ T7551] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.635991][ T7551] device bridge_slave_1 entered promiscuous mode [ 57.653256][ T7554] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.660559][ T7554] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.668228][ T7554] device bridge_slave_0 entered promiscuous mode [ 57.679052][ T7554] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.686892][ T7554] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.694564][ T7554] device bridge_slave_1 entered promiscuous mode [ 57.706418][ T7547] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.713571][ T7547] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.721442][ T7547] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.728669][ T7547] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.776140][ T7548] device hsr_slave_0 entered promiscuous mode [ 57.834171][ T7548] device hsr_slave_1 entered promiscuous mode [ 57.923929][ T7548] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.933016][ T7551] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.996145][ T7544] device hsr_slave_0 entered promiscuous mode [ 58.064056][ T7544] device hsr_slave_1 entered promiscuous mode [ 58.113986][ T7544] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.128920][ T7554] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.139818][ T2999] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.150689][ T2999] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.163688][ T7551] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.182251][ T7551] team0: Port device team_slave_0 added [ 58.237917][ T7553] device hsr_slave_0 entered promiscuous mode [ 58.284110][ T7553] device hsr_slave_1 entered promiscuous mode [ 58.343967][ T7553] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.352393][ T7554] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.367334][ T7551] team0: Port device team_slave_1 added [ 58.400247][ T7554] team0: Port device team_slave_0 added [ 58.407399][ T7554] team0: Port device team_slave_1 added [ 58.465680][ T7551] device hsr_slave_0 entered promiscuous mode [ 58.514290][ T7551] device hsr_slave_1 entered promiscuous mode [ 58.563912][ T7551] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.646315][ T7554] device hsr_slave_0 entered promiscuous mode [ 58.686786][ T7554] device hsr_slave_1 entered promiscuous mode [ 58.723951][ T7554] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.807147][ T7544] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.836743][ T7551] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.850797][ T7544] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.859265][ T7547] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.877691][ T7551] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.888403][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.897542][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.905692][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.913215][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.930867][ T7547] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.943727][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.952842][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.961232][ T2999] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.968331][ T2999] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.976901][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.984587][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.992128][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.000828][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.009168][ T2999] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.016247][ T2999] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.023874][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.032393][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.040878][ T2999] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.047926][ T2999] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.056615][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.064515][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.078924][ T7553] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.094243][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.102757][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.111206][ T7557] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.118288][ T7557] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.125922][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.135863][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.144368][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.152747][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.161128][ T7557] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.168199][ T7557] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.175752][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.184352][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.192583][ T7557] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.199658][ T7557] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.208935][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.217496][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.237765][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.245555][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.254094][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.262942][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.271678][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.280294][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.288632][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.296984][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.305248][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.313825][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.322032][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.330750][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.339192][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.347176][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.363728][ T7544] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.375151][ T7544] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.390335][ T7551] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.401541][ T7551] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.414882][ T7548] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.426007][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.435462][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.443614][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.452591][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.461267][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.469744][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.478237][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.486519][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.495436][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.503916][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.512914][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.520960][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.533966][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.542194][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.553656][ T7553] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.569368][ T7551] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.585698][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.593316][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.601299][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.611824][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.621048][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.629595][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.639764][ T7548] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.648502][ T7554] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.672423][ T7554] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.687896][ T7544] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.695765][ T7547] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.703555][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.713169][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.721377][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.730043][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.738419][ T7557] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.745503][ T7557] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.753093][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.761682][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.770134][ T7557] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.777216][ T7557] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.784745][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.793049][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.802427][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.810944][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.819277][ T7557] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.826414][ T7557] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.834147][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.842585][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.850962][ T7557] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.858031][ T7557] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.865846][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.874338][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.882826][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.890943][ T7557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.922838][ T7547] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.949569][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.960544][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.969981][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.978918][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.987997][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.996333][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.004635][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.013080][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.021777][ T7560] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.028875][ T7560] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.036554][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.045164][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.053381][ T7560] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.060477][ T7560] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.068263][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.076817][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.085353][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.093967][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.102169][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.110694][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.118922][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.126659][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.134642][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.142176][ T7560] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.161043][ T7554] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.171802][ T7554] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.188929][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.207197][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.224852][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.233606][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.244745][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.253047][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.263528][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.272141][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.280659][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.289060][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.303311][ T7553] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.317881][ T7553] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.345305][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.360198][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.370289][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.379352][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.388828][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.400315][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.446990][ T7554] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.483423][ T7553] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.502911][ T7548] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/10/12 20:56:01 executed programs: 37 [ 216.543899][ T1058] INFO: task syz-executor.4:7797 blocked for more than 143 seconds. [ 216.552214][ T1058] Not tainted 5.4.0-rc2+ #0 [ 216.579071][ T1058] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 216.618866][ T1058] syz-executor.4 D27680 7797 7551 0x80000000 [ 216.626307][ T1058] Call Trace: [ 216.629602][ T1058] __schedule+0x8c4/0x19d0 [ 216.653798][ T1058] ? __sched_text_start+0x8/0x8 [ 216.658688][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.673790][ T1058] ? rwsem_down_read_slowpath+0x2dc/0xfd0 [ 216.679523][ T1058] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 216.693788][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.699002][ T1058] schedule+0xc0/0x260 [ 216.703061][ T1058] ? rwsem_down_read_slowpath+0x2fc/0xfd0 [ 216.723797][ T1058] rwsem_down_read_slowpath+0x568/0xfd0 [ 216.729370][ T1058] ? down_write+0x150/0x150 [ 216.743862][ T1058] ? mark_held_locks+0x130/0x130 [ 216.748843][ T1058] ? find_held_lock+0x36/0x1d0 [ 216.753688][ T1058] ? do_exit+0x3a6/0x2c70 [ 216.773792][ T1058] down_read+0x1f5/0x430 [ 216.778070][ T1058] ? down_read+0xa2/0x430 [ 216.782385][ T1058] ? down_read+0x1f5/0x430 [ 216.823802][ T1058] ? down_read_killable+0x480/0x480 [ 216.829036][ T1058] do_exit+0x3a6/0x2c70 [ 216.833178][ T1058] ? find_held_lock+0x36/0x1d0 [ 216.853792][ T1058] ? mm_update_next_owner+0x650/0x650 [ 216.859184][ T1058] ? do_group_exit+0x267/0x2e0 [ 216.865321][ T1058] ? lock_downgrade+0x900/0x900 [ 216.870172][ T1058] ? do_raw_spin_lock+0x123/0x2d0 [ 216.875489][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.880677][ T1058] ? do_group_exit+0x267/0x2e0 [ 216.894001][ T1058] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 216.899303][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.913793][ T1058] ? trace_hardirqs_on+0x28/0x1a0 [ 216.918836][ T1058] ? __kasan_check_read+0x11/0x20 [ 216.933795][ T1058] do_group_exit+0xf4/0x2e0 [ 216.938316][ T1058] __x64_sys_exit_group+0x39/0x40 [ 216.943328][ T1058] do_syscall_64+0xca/0x5d0 [ 216.963804][ T1058] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 216.969718][ T1058] RIP: 0033:0x459519 [ 216.973602][ T1058] Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 217.023787][ T1058] RSP: 002b:00007ffe20820658 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 217.032216][ T1058] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000459519 [ 217.063795][ T1058] RDX: 0000000000413201 RSI: fffffffffffffff7 RDI: 0000000000000000 [ 217.071806][ T1058] RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007ffe208206b0 [ 217.080064][ T1058] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 217.088287][ T1058] R13: 00007ffe208206b0 R14: 0000000000000000 R15: 00007ffe208206c0 [ 217.096493][ T1058] INFO: task syz-executor.4:7814 blocked for more than 143 seconds. [ 217.104681][ T1058] Not tainted 5.4.0-rc2+ #0 [ 217.109713][ T1058] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 217.118633][ T1058] syz-executor.4 D29280 7814 7551 0x80004000 [ 217.125188][ T1058] Call Trace: [ 217.128471][ T1058] __schedule+0x8c4/0x19d0 [ 217.132874][ T1058] ? __sched_text_start+0x8/0x8 [ 217.137943][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.143128][ T1058] ? rwsem_down_read_slowpath+0x2dc/0xfd0 [ 217.149103][ T1058] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 217.163937][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.169219][ T1058] schedule+0xc0/0x260 [ 217.173271][ T1058] ? rwsem_down_read_slowpath+0x2fc/0xfd0 [ 217.193789][ T1058] rwsem_down_read_slowpath+0x568/0xfd0 [ 217.199360][ T1058] ? down_write+0x150/0x150 [ 217.213787][ T1058] ? mark_held_locks+0x130/0x130 [ 217.218730][ T1058] ? find_held_lock+0x36/0x1d0 [ 217.223503][ T1058] ? do_exit+0x3a6/0x2c70 [ 217.243806][ T1058] down_read+0x1f5/0x430 [ 217.248085][ T1058] ? down_read+0xa2/0x430 [ 217.252395][ T1058] ? down_read+0x1f5/0x430 [ 217.273797][ T1058] ? down_read_killable+0x480/0x480 [ 217.279022][ T1058] do_exit+0x3a6/0x2c70 [ 217.283175][ T1058] ? mm_update_next_owner+0x650/0x650 [ 217.303809][ T1058] ? get_signal+0x2c8/0x1d50 [ 217.308440][ T1058] ? lock_downgrade+0x900/0x900 [ 217.313278][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.318776][ T1058] ? get_signal+0x2c8/0x1d50 [ 217.323378][ T1058] do_group_exit+0xf4/0x2e0 [ 217.343804][ T1058] get_signal+0x36c/0x1d50 [ 217.348238][ T1058] ? __might_fault+0xf1/0x1b0 [ 217.352921][ T1058] do_signal+0x87/0x1710 [ 217.363804][ T1058] ? __kasan_check_read+0x11/0x20 [ 217.368837][ T1058] ? setup_sigcontext+0x7d0/0x7d0 [ 217.383805][ T1058] ? __x64_sys_futex+0x1cb/0x390 [ 217.388766][ T1058] ? exit_to_usermode_loop+0x3a/0x210 [ 217.403806][ T1058] ? do_syscall_64+0x4e8/0x5d0 [ 217.408592][ T1058] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 217.423849][ T1058] ? exit_to_usermode_loop+0x3a/0x210 [ 217.429242][ T1058] ? trace_hardirqs_on+0x28/0x1a0 [ 217.453798][ T1058] exit_to_usermode_loop+0x114/0x210 [ 217.459110][ T1058] do_syscall_64+0x4e8/0x5d0 [ 217.463686][ T1058] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 217.469895][ T1058] RIP: 0033:0x459519 [ 217.474068][ T1058] Code: Bad RIP value. [ 217.478122][ T1058] RSP: 002b:00007f97ec96fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 217.486787][ T1058] RAX: fffffffffffffe00 RBX: 000000000075bfd0 RCX: 0000000000459519 [ 217.503925][ T1058] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bfd0 [ 217.511996][ T1058] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 217.533779][ T1058] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bfd4 [ 217.541769][ T1058] R13: 00007ffe2082044f R14: 00007f97ec9709c0 R15: 000000000075bfd4 [ 217.573831][ T1058] INFO: task syz-executor.0:7849 blocked for more than 144 seconds. [ 217.581848][ T1058] Not tainted 5.4.0-rc2+ #0 [ 217.593780][ T1058] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 217.602459][ T1058] syz-executor.0 D28144 7849 7548 0x80000000 [ 217.609100][ T1058] Call Trace: [ 217.612397][ T1058] __schedule+0x8c4/0x19d0 [ 217.617060][ T1058] ? __sched_text_start+0x8/0x8 [ 217.621922][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.627370][ T1058] ? rwsem_down_read_slowpath+0x2dc/0xfd0 [ 217.633078][ T1058] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 217.638594][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.643987][ T1058] schedule+0xc0/0x260 [ 217.648048][ T1058] ? rwsem_down_read_slowpath+0x2fc/0xfd0 [ 217.654025][ T1058] rwsem_down_read_slowpath+0x568/0xfd0 [ 217.659566][ T1058] ? down_write+0x150/0x150 [ 217.673950][ T1058] ? mark_held_locks+0x130/0x130 [ 217.678900][ T1058] ? find_held_lock+0x36/0x1d0 [ 217.683662][ T1058] ? do_exit+0x3a6/0x2c70 [ 217.703814][ T1058] down_read+0x1f5/0x430 [ 217.708077][ T1058] ? down_read+0xa2/0x430 [ 217.712396][ T1058] ? down_read+0x1f5/0x430 [ 217.733864][ T1058] ? down_read_killable+0x480/0x480 [ 217.739114][ T1058] do_exit+0x3a6/0x2c70 [ 217.743259][ T1058] ? find_held_lock+0x36/0x1d0 [ 217.763803][ T1058] ? mm_update_next_owner+0x650/0x650 [ 217.769196][ T1058] ? do_group_exit+0x267/0x2e0 [ 217.783812][ T1058] ? lock_downgrade+0x900/0x900 [ 217.788682][ T1058] ? do_raw_spin_lock+0x123/0x2d0 [ 217.793694][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.813785][ T1058] ? do_group_exit+0x267/0x2e0 [ 217.818573][ T1058] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 217.833800][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.839276][ T1058] ? trace_hardirqs_on+0x28/0x1a0 [ 217.844606][ T1058] ? __kasan_check_read+0x11/0x20 [ 217.849655][ T1058] do_group_exit+0xf4/0x2e0 [ 217.854392][ T1058] __x64_sys_exit_group+0x39/0x40 [ 217.859433][ T1058] do_syscall_64+0xca/0x5d0 [ 217.864195][ T1058] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 217.870623][ T1058] RIP: 0033:0x459519 [ 217.874749][ T1058] Code: Bad RIP value. [ 217.878813][ T1058] RSP: 002b:00007fffe3830928 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 217.887498][ T1058] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000459519 [ 217.895675][ T1058] RDX: 0000000000413201 RSI: fffffffffffffff7 RDI: 0000000000000000 [ 217.903637][ T1058] RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007fffe3830980 [ 217.911924][ T1058] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 217.920131][ T1058] R13: 00007fffe3830980 R14: 0000000000000000 R15: 00007fffe3830990 [ 217.928347][ T1058] INFO: task syz-executor.0:7856 blocked for more than 144 seconds. [ 217.943903][ T1058] Not tainted 5.4.0-rc2+ #0 [ 217.948932][ T1058] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 217.973781][ T1058] syz-executor.0 D28920 7856 7548 0x80004000 [ 217.980153][ T1058] Call Trace: [ 217.983441][ T1058] __schedule+0x8c4/0x19d0 [ 218.003818][ T1058] ? __sched_text_start+0x8/0x8 [ 218.008691][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.023805][ T1058] ? rwsem_down_read_slowpath+0x2dc/0xfd0 [ 218.029543][ T1058] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 218.043802][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.049014][ T1058] schedule+0xc0/0x260 [ 218.053068][ T1058] ? rwsem_down_read_slowpath+0x2fc/0xfd0 [ 218.073793][ T1058] rwsem_down_read_slowpath+0x568/0xfd0 [ 218.079385][ T1058] ? down_write+0x150/0x150 [ 218.084247][ T1058] ? mark_held_locks+0x130/0x130 [ 218.089200][ T1058] ? find_held_lock+0x36/0x1d0 [ 218.094221][ T1058] ? do_exit+0x3a6/0x2c70 [ 218.098545][ T1058] down_read+0x1f5/0x430 [ 218.102771][ T1058] ? down_read+0xa2/0x430 [ 218.113933][ T1058] ? down_read+0x1f5/0x430 [ 218.118378][ T1058] ? down_read_killable+0x480/0x480 [ 218.123570][ T1058] do_exit+0x3a6/0x2c70 [ 218.146989][ T1058] ? mm_update_next_owner+0x650/0x650 [ 218.152403][ T1058] ? get_signal+0x2c8/0x1d50 [ 218.183808][ T1058] ? lock_downgrade+0x900/0x900 [ 218.188694][ T1058] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.203802][ T1058] ? get_signal+0x2c8/0x1d50 [ 218.208413][ T1058] do_group_exit+0xf4/0x2e0 [ 218.212907][ T1058] get_signal+0x36c/0x1d50 [ 218.217660][ T1058] ? __might_fault+0xf1/0x1b0 [ 218.222340][ T1058] do_signal+0x87/0x1710 [ 218.226834][ T1058] ? __kasan_check_read+0x11/0x20 [ 218.231855][ T1058] ? setup_sigcontext+0x7d0/0x7d0 [ 218.237124][ T1058] ? __x64_sys_futex+0x1cb/0x390 [ 218.242057][ T1058] ? exit_to_usermode_loop+0x3a/0x210 [ 218.253924][ T1058] ? do_syscall_64+0x4e8/0x5d0 [ 218.258717][ T1058] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 218.283795][ T1058] ? exit_to_usermode_loop+0x3a/0x210 [ 218.289196][ T1058] ? trace_hardirqs_on+0x28/0x1a0 [ 218.303852][ T1058] exit_to_usermode_loop+0x114/0x210 [ 218.309183][ T1058] do_syscall_64+0x4e8/0x5d0 [ 218.323812][ T1058] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.329720][ T1058] RIP: 0033:0x459519 [ 218.333602][ T1058] Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 218.398786][ T1058] RSP: 002b:00007f6012fb4cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 218.423782][ T1058] RAX: fffffffffffffe00 RBX: 000000000075bfd0 RCX: 0000000000459519 [ 218.431798][ T1058] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bfd0 [ 218.453790][ T1058] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 218.461799][ T1058] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bfd4 [ 218.483796][ T1058] R13: 00007fffe383071f R14: 00007f6012fb59c0 R15: 000000000075bfd4 [ 218.491814][ T1058] [ 218.491814][ T1058] Showing all locks held in the system: [ 218.499901][ T1058] 1 lock held by khungtaskd/1058: [ 218.505133][ T1058] #0: ffffffff883a4000 (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x27a [ 218.514681][ T1058] 1 lock held by rsyslogd/7344: [ 218.519521][ T1058] #0: ffff8880870838e0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa3/0xc0 [ 218.528441][ T1058] 2 locks held by getty/7433: [ 218.533102][ T1058] #0: ffff8880974ea090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 218.542309][ T1058] #1: ffffc90005ee52e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 218.552067][ T1058] 2 locks held by getty/7434: [ 218.556960][ T1058] #0: ffff88809121c090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 218.566248][ T1058] #1: ffffc90005f0d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 218.576841][ T1058] 2 locks held by getty/7435: [ 218.581518][ T1058] #0: ffff8880a126b090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 218.603929][ T1058] #1: ffffc90005f092e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 218.613504][ T1058] 2 locks held by getty/7436: [ 218.633789][ T1058] #0: ffff8880a7b0c090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 218.642758][ T1058] #1: ffffc90005ef12e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 218.673855][ T1058] 2 locks held by getty/7437: [ 218.678565][ T1058] #0: ffff88809a5e5090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 218.703979][ T1058] #1: ffffc90005f112e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 218.713609][ T1058] 2 locks held by getty/7438: [ 218.733806][ T1058] #0: ffff88809081d090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 218.742775][ T1058] #1: ffffc90005f052e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 218.752879][ T1058] 2 locks held by getty/7439: [ 218.773793][ T1058] #0: ffff8880a80a1090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 218.782768][ T1058] #1: ffffc90005ed92e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 218.803805][ T1058] 1 lock held by syz-executor.4/7797: [ 218.809197][ T1058] #0: ffff88807f4d6198 (&mm->mmap_sem#2){++++}, at: do_exit+0x3a6/0x2c70 [ 218.833781][ T1058] 6 locks held by syz-executor.4/7803: [ 218.839257][ T1058] 1 lock held by syz-executor.4/7814: [ 218.853780][ T1058] #0: ffff88807f4d6198 (&mm->mmap_sem#2){++++}, at: do_exit+0x3a6/0x2c70 [ 218.862301][ T1058] 1 lock held by syz-executor.0/7849: [ 218.898878][ T1058] #0: ffff8880a914a818 (&mm->mmap_sem#2){++++}, at: do_exit+0x3a6/0x2c70 [ 218.918874][ T1058] 1 lock held by syz-executor.0/7850: [ 218.924326][ T1058] 1 lock held by syz-executor.0/7856: [ 218.929678][ T1058] #0: ffff8880a914a818 (&mm->mmap_sem#2){++++}, at: do_exit+0x3a6/0x2c70 [ 218.943475][ T1058] [ 218.958985][ T1058] ============================================= [ 218.958985][ T1058] [ 219.003782][ T1058] NMI backtrace for cpu 0 [ 219.008144][ T1058] CPU: 0 PID: 1058 Comm: khungtaskd Not tainted 5.4.0-rc2+ #0 [ 219.015677][ T1058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.025729][ T1058] Call Trace: [ 219.029007][ T1058] dump_stack+0x113/0x167 [ 219.033323][ T1058] nmi_cpu_backtrace.cold.7+0x4b/0x84 [ 219.038708][ T1058] ? lapic_can_unplug_cpu.cold.29+0x3f/0x3f [ 219.044586][ T1058] nmi_trigger_cpumask_backtrace+0x18b/0x1b7 [ 219.050553][ T1058] arch_trigger_cpumask_backtrace+0x14/0x20 [ 219.056434][ T1058] watchdog+0x592/0xb60 [ 219.060580][ T1058] kthread+0x331/0x3f0 [ 219.064633][ T1058] ? hungtask_pm_notify+0x40/0x40 [ 219.069727][ T1058] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 219.075953][ T1058] ret_from_fork+0x24/0x30 [ 219.080507][ T1058] Sending NMI from CPU 0 to CPUs 1: [ 219.085918][ C1] NMI backtrace for cpu 1 [ 219.085920][ C1] CPU: 1 PID: 7803 Comm: syz-executor.4 Not tainted 5.4.0-rc2+ #0 [ 219.085922][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.085923][ C1] RIP: 0010:__lock_acquire+0x7ca/0x4ef0 [ 219.085926][ C1] Code: 44 01 e2 c1 c0 08 31 c1 89 c8 41 29 cc c1 c0 10 41 31 c4 8d 04 11 44 89 e1 44 29 e2 c1 c9 0d 89 c6 41 01 c4 31 ca 41 8d 04 14 <89> d1 29 d6 c1 c1 04 31 f1 48 c1 e1 20 48 09 c1 48 83 bd 70 ff ff [ 219.085927][ C1] RSP: 0018:ffff88807ea27750 EFLAGS: 00000082 [ 219.085929][ C1] RAX: 0000000019c5db91 RBX: 0000000000000001 RCX: 0000000000ce0293 [ 219.085931][ C1] RDX: 00000000fb95ac2c RSI: 000000005dddcf4c RDI: ffff88809307cfa1 [ 219.085932][ C1] RBP: ffff88807ea27870 R08: fffffbfff1349b48 R09: fffffbfff1349b48 [ 219.085934][ C1] R10: ffff88809307cf80 R11: ffff88809307c6c0 R12: 000000001e302f65 [ 219.085935][ C1] R13: ac0ae2c262f097d9 R14: 0000000000000000 R15: 0000000000000006 [ 219.085936][ C1] FS: 00007f97ec991700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 219.085938][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 219.085939][ C1] CR2: ffffffffff600400 CR3: 00000000949d5000 CR4: 00000000001406e0 [ 219.085940][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 219.085941][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 219.085942][ C1] Call Trace: [ 219.085944][ C1] ? trace_hardirqs_on_caller+0x28/0x1a0 [ 219.085945][ C1] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 219.085946][ C1] ? mark_held_locks+0x130/0x130 [ 219.085947][ C1] lock_acquire+0x194/0x410 [ 219.085948][ C1] ? perf_mmap+0x64a/0x1740 [ 219.085949][ C1] __mutex_lock+0x155/0x1410 [ 219.085950][ C1] ? perf_mmap+0x64a/0x1740 [ 219.085951][ C1] ? lock_downgrade+0x900/0x900 [ 219.085952][ C1] ? perf_mmap+0x64a/0x1740 [ 219.085953][ C1] ? mutex_lock_io_nested+0x1280/0x1280 [ 219.085955][ C1] ? perf_mmap+0x640/0x1740 [ 219.085956][ C1] ? __kasan_check_write+0x14/0x20 [ 219.085957][ C1] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 219.085958][ C1] ? wait_for_completion+0x460/0x460 [ 219.085959][ C1] mutex_lock_nested+0x16/0x20 [ 219.085960][ C1] ? mutex_lock_nested+0x16/0x20 [ 219.085961][ C1] perf_mmap+0x64a/0x1740 [ 219.085963][ C1] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 219.085964][ C1] ? perf_release+0x50/0x50 [ 219.085965][ C1] ? memset+0x31/0x40 [ 219.085966][ C1] mmap_region+0x9ba/0x1480 [ 219.085967][ C1] ? __x64_sys_brk+0x740/0x740 [ 219.085968][ C1] ? get_unmapped_area+0x1ec/0x310 [ 219.085969][ C1] do_mmap+0x61e/0xfc0 [ 219.085970][ C1] vm_mmap_pgoff+0x195/0x210 [ 219.085971][ C1] ? randomize_stack_top+0xe0/0xe0 [ 219.085972][ C1] ? ksys_dup3+0x2e0/0x2e0 [ 219.085973][ C1] ? _copy_to_user+0xcb/0xf0 [ 219.085974][ C1] ksys_mmap_pgoff+0x3c7/0x650 [ 219.085975][ C1] ? find_mergeable_anon_vma+0x290/0x290 [ 219.085976][ C1] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 219.085977][ C1] ? do_syscall_64+0x21/0x5d0 [ 219.085979][ C1] __x64_sys_mmap+0xe9/0x1b0 [ 219.085980][ C1] do_syscall_64+0xca/0x5d0 [ 219.085981][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 219.085982][ C1] RIP: 0033:0x459519 [ 219.085984][ C1] Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 219.085985][ C1] RSP: 002b:00007f97ec990c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 219.085988][ C1] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459519 [ 219.085989][ C1] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffd000 [ 219.085990][ C1] RBP: 000000000075bf20 R08: 0000000000000003 R09: 0000000000000000 [ 219.085992][ C1] R10: 0080000000000011 R11: 0000000000000246 R12: 00007f97ec9916d4 [ 219.085993][ C1] R13: 00000000004c5822 R14: 00000000004d9ed8 R15: 00000000ffffffff [ 219.088050][ T1058] Kernel panic - not syncing: hung_task: blocked tasks [ 219.471610][ T1058] CPU: 0 PID: 1058 Comm: khungtaskd Not tainted 5.4.0-rc2+ #0 [ 219.479053][ T1058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.489095][ T1058] Call Trace: [ 219.492376][ T1058] dump_stack+0x113/0x167 [ 219.496708][ T1058] panic+0x22a/0x4e3 [ 219.500589][ T1058] ? add_taint.cold.8+0x11/0x11 [ 219.505428][ T1058] ? ___preempt_schedule+0x16/0x20 [ 219.510542][ T1058] watchdog+0x5a3/0xb60 [ 219.514692][ T1058] kthread+0x331/0x3f0 [ 219.518746][ T1058] ? hungtask_pm_notify+0x40/0x40 [ 219.523750][ T1058] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 219.530396][ T1058] ret_from_fork+0x24/0x30 [ 219.536420][ T1058] Kernel Offset: disabled [ 219.540753][ T1058] Rebooting in 86400 seconds..