[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.419207][ T26] audit: type=1800 audit(1566763046.018:25): pid=8592 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.463418][ T26] audit: type=1800 audit(1566763046.018:26): pid=8592 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.516936][ T26] audit: type=1800 audit(1566763046.028:27): pid=8592 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.96' (ECDSA) to the list of known hosts. 2019/08/25 20:15:43 parsed 1 programs 2019/08/25 20:15:45 executed programs: 0 syzkaller login: [ 1153.794307][ T8771] IPVS: ftp: loaded support on port[0] = 21 [ 1153.811217][ T8769] IPVS: ftp: loaded support on port[0] = 21 [ 1153.817884][ T8768] IPVS: ftp: loaded support on port[0] = 21 [ 1153.824279][ T8773] IPVS: ftp: loaded support on port[0] = 21 [ 1153.832397][ T8765] IPVS: ftp: loaded support on port[0] = 21 [ 1153.844588][ T8774] IPVS: ftp: loaded support on port[0] = 21 [ 1154.067763][ T8773] chnl_net:caif_netlink_parms(): no params data found [ 1154.076636][ T8771] chnl_net:caif_netlink_parms(): no params data found [ 1154.101488][ T8774] chnl_net:caif_netlink_parms(): no params data found [ 1154.119730][ T8765] chnl_net:caif_netlink_parms(): no params data found [ 1154.173535][ T8771] bridge0: port 1(bridge_slave_0) entered blocking state [ 1154.181160][ T8771] bridge0: port 1(bridge_slave_0) entered disabled state [ 1154.188913][ T8771] device bridge_slave_0 entered promiscuous mode [ 1154.208245][ T8774] bridge0: port 1(bridge_slave_0) entered blocking state [ 1154.215282][ T8774] bridge0: port 1(bridge_slave_0) entered disabled state [ 1154.223764][ T8774] device bridge_slave_0 entered promiscuous mode [ 1154.234276][ T8774] bridge0: port 2(bridge_slave_1) entered blocking state [ 1154.241847][ T8774] bridge0: port 2(bridge_slave_1) entered disabled state [ 1154.249638][ T8774] device bridge_slave_1 entered promiscuous mode [ 1154.257375][ T8771] bridge0: port 2(bridge_slave_1) entered blocking state [ 1154.264483][ T8771] bridge0: port 2(bridge_slave_1) entered disabled state [ 1154.273463][ T8771] device bridge_slave_1 entered promiscuous mode [ 1154.307784][ T8769] chnl_net:caif_netlink_parms(): no params data found [ 1154.329484][ T8765] bridge0: port 1(bridge_slave_0) entered blocking state [ 1154.337206][ T8765] bridge0: port 1(bridge_slave_0) entered disabled state [ 1154.344736][ T8765] device bridge_slave_0 entered promiscuous mode [ 1154.355801][ T8765] bridge0: port 2(bridge_slave_1) entered blocking state [ 1154.362989][ T8765] bridge0: port 2(bridge_slave_1) entered disabled state [ 1154.370563][ T8765] device bridge_slave_1 entered promiscuous mode [ 1154.394333][ T8768] chnl_net:caif_netlink_parms(): no params data found [ 1154.405102][ T8774] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1154.419108][ T8773] bridge0: port 1(bridge_slave_0) entered blocking state [ 1154.428478][ T8773] bridge0: port 1(bridge_slave_0) entered disabled state [ 1154.436404][ T8773] device bridge_slave_0 entered promiscuous mode [ 1154.444540][ T8771] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1154.461359][ T8774] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1154.478142][ T8765] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1154.488149][ T8773] bridge0: port 2(bridge_slave_1) entered blocking state [ 1154.495193][ T8773] bridge0: port 2(bridge_slave_1) entered disabled state [ 1154.502991][ T8773] device bridge_slave_1 entered promiscuous mode [ 1154.518161][ T8771] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1154.540595][ T8765] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1154.559054][ T8773] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1154.584425][ T8774] team0: Port device team_slave_0 added [ 1154.594432][ T8769] bridge0: port 1(bridge_slave_0) entered blocking state [ 1154.601856][ T8769] bridge0: port 1(bridge_slave_0) entered disabled state [ 1154.609707][ T8769] device bridge_slave_0 entered promiscuous mode [ 1154.617871][ T8773] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1154.628158][ T8771] team0: Port device team_slave_0 added [ 1154.638042][ T8765] team0: Port device team_slave_0 added [ 1154.644453][ T8771] team0: Port device team_slave_1 added [ 1154.651327][ T8774] team0: Port device team_slave_1 added [ 1154.669260][ T8769] bridge0: port 2(bridge_slave_1) entered blocking state [ 1154.676728][ T8769] bridge0: port 2(bridge_slave_1) entered disabled state [ 1154.684391][ T8769] device bridge_slave_1 entered promiscuous mode [ 1154.698548][ T8765] team0: Port device team_slave_1 added [ 1154.712948][ T8769] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1154.726238][ T8769] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1154.797865][ T8774] device hsr_slave_0 entered promiscuous mode [ 1154.836230][ T8774] device hsr_slave_1 entered promiscuous mode [ 1154.877161][ T8773] team0: Port device team_slave_0 added [ 1154.887651][ T8768] bridge0: port 1(bridge_slave_0) entered blocking state [ 1154.894925][ T8768] bridge0: port 1(bridge_slave_0) entered disabled state [ 1154.903302][ T8768] device bridge_slave_0 entered promiscuous mode [ 1154.914054][ T8768] bridge0: port 2(bridge_slave_1) entered blocking state [ 1154.921279][ T8768] bridge0: port 2(bridge_slave_1) entered disabled state [ 1154.928859][ T8768] device bridge_slave_1 entered promiscuous mode [ 1154.940221][ T8773] team0: Port device team_slave_1 added [ 1154.998118][ T8771] device hsr_slave_0 entered promiscuous mode [ 1155.066168][ T8771] device hsr_slave_1 entered promiscuous mode [ 1155.136021][ T8771] debugfs: Directory 'hsr0' with parent '/' already present! [ 1155.154140][ T8769] team0: Port device team_slave_0 added [ 1155.169519][ T8769] team0: Port device team_slave_1 added [ 1155.227911][ T8765] device hsr_slave_0 entered promiscuous mode [ 1155.266152][ T8765] device hsr_slave_1 entered promiscuous mode [ 1155.316103][ T8765] debugfs: Directory 'hsr0' with parent '/' already present! [ 1155.328603][ T8768] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1155.398923][ T8773] device hsr_slave_0 entered promiscuous mode [ 1155.456197][ T8773] device hsr_slave_1 entered promiscuous mode [ 1155.516971][ T8773] debugfs: Directory 'hsr0' with parent '/' already present! [ 1155.532473][ T8768] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1155.598754][ T8769] device hsr_slave_0 entered promiscuous mode [ 1155.636341][ T8769] device hsr_slave_1 entered promiscuous mode [ 1155.675967][ T8769] debugfs: Directory 'hsr0' with parent '/' already present! [ 1155.684474][ T8768] team0: Port device team_slave_0 added [ 1155.692789][ T8768] team0: Port device team_slave_1 added [ 1155.790899][ T8768] device hsr_slave_0 entered promiscuous mode [ 1155.856153][ T8768] device hsr_slave_1 entered promiscuous mode [ 1155.896037][ T8768] debugfs: Directory 'hsr0' with parent '/' already present! [ 1155.968733][ T8768] bridge0: port 2(bridge_slave_1) entered blocking state [ 1155.976012][ T8768] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1156.018601][ T8774] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1156.044915][ T8771] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1156.067267][ T8769] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1156.075182][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 1156.097683][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1156.105653][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1156.127419][ T8773] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1156.138822][ T8771] 8021q: adding VLAN 0 to HW filter on device team0 [ 1156.153870][ T8765] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1156.161517][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1156.170294][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1156.179405][ T8774] 8021q: adding VLAN 0 to HW filter on device team0 [ 1156.203278][ T8773] 8021q: adding VLAN 0 to HW filter on device team0 [ 1156.218457][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1156.226617][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1156.234166][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1156.243345][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1156.252018][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 1156.259094][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1156.267275][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1156.274842][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1156.282726][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1156.292077][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1156.299639][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1156.308281][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1156.316670][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 1156.323687][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1156.331299][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1156.339738][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1156.348181][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 1156.355216][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1156.364320][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1156.372283][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1156.385675][ T8765] 8021q: adding VLAN 0 to HW filter on device team0 [ 1156.398232][ T8768] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1156.412705][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1156.423687][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1156.432438][ T8777] bridge0: port 1(bridge_slave_0) entered blocking state [ 1156.439565][ T8777] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1156.452757][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1156.464582][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1156.472957][ T8777] bridge0: port 2(bridge_slave_1) entered blocking state [ 1156.480026][ T8777] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1156.488069][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1156.497511][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1156.525567][ T8768] 8021q: adding VLAN 0 to HW filter on device team0 [ 1156.551640][ T8769] 8021q: adding VLAN 0 to HW filter on device team0 [ 1156.561712][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1156.570724][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1156.580027][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1156.591425][ T8776] bridge0: port 1(bridge_slave_0) entered blocking state [ 1156.598502][ T8776] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1156.607464][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1156.615962][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1156.624226][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1156.633323][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1156.641929][ T8776] bridge0: port 2(bridge_slave_1) entered blocking state [ 1156.649019][ T8776] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1156.657416][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1156.665948][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1156.674214][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1156.683088][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1156.691750][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1156.700268][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1156.708404][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1156.716090][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1156.724487][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1156.733404][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1156.742315][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1156.750830][ T8776] bridge0: port 2(bridge_slave_1) entered blocking state [ 1156.757904][ T8776] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1156.765350][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1156.774835][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1156.783498][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1156.792195][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1156.800699][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1156.809986][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1156.818493][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1156.827074][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1156.843219][ T8773] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1156.855724][ T8773] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1156.876623][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1156.884548][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1156.892742][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1156.900689][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1156.909141][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1156.919276][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1156.927861][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1156.936691][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1156.945087][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1156.953919][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1156.962412][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1156.971141][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1156.979992][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1156.988540][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1156.997175][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1157.005420][ T8776] bridge0: port 1(bridge_slave_0) entered blocking state [ 1157.012489][ T8776] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1157.020613][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1157.028725][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1157.036586][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1157.064568][ T8787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1157.073065][ T8787] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1157.082443][ T8787] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1157.091179][ T8787] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1157.099876][ T8787] bridge0: port 1(bridge_slave_0) entered blocking state [ 1157.106964][ T8787] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1157.114734][ T8787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1157.123327][ T8787] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1157.131583][ T8787] bridge0: port 2(bridge_slave_1) entered blocking state [ 1157.138654][ T8787] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1157.146557][ T8787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1157.154980][ T8787] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1157.163391][ T8787] bridge0: port 2(bridge_slave_1) entered blocking state [ 1157.170440][ T8787] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1157.178099][ T8787] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1157.186839][ T8787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1157.195263][ T8787] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1157.203653][ T8787] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1157.214005][ T8774] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1157.226243][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1157.234833][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1157.243811][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1157.252292][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1157.262752][ T8773] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1157.282652][ T8771] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1157.294256][ T8771] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1157.321808][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1157.331942][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1157.341572][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1157.350360][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1157.358858][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1157.367386][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1157.375551][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1157.383767][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1157.391962][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1157.400370][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1157.408838][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1157.417624][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1157.430195][ T8765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1157.449899][ T8774] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1157.465262][ T8768] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1157.488252][ T8768] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1157.508176][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1157.525646][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1157.533344][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1157.541879][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1157.550478][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1157.559370][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1157.567859][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1157.576309][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1157.584484][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1157.596830][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1157.618594][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1157.626249][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1157.634878][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1157.664756][ T8765] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1157.707830][ T8769] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1157.734773][ T8768] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1157.759781][ T8771] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1157.800546][ T8769] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/08/25 20:15:50 executed programs: 33 [ 1319.636072][ T1064] INFO: task syz-executor.5:9319 can't die for more than 143 seconds. [ 1319.644387][ T1064] syz-executor.5 R running task 25352 9319 8773 0x00004006 [ 1319.662690][ T1064] Call Trace: [ 1319.669388][ T1064] __kasan_check_read+0x11/0x20 [ 1319.674272][ T1064] mark_lock+0xc2/0x1220 [ 1319.680982][ T1064] ? __kasan_check_read+0x11/0x20 [ 1319.689324][ T1064] __lock_acquire+0x8a1/0x4e70 [ 1319.694096][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1319.702981][ T1064] ? tipc_sk_lookup+0x621/0xbf0 [ 1319.711262][ T1064] ? lock_downgrade+0x920/0x920 [ 1319.720609][ T1064] ? memset+0x32/0x40 [ 1319.724597][ T1064] ? rcu_read_lock_held_common+0xb4/0x130 [ 1319.733646][ T1064] lock_acquire+0x190/0x410 [ 1319.741557][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1319.750846][ T1064] ? __nla_validate_parse+0x7de/0x1ed0 [ 1319.759290][ T1064] ? lockdep_rht_mutex_is_held.part.0+0x1e/0x30 [ 1319.765544][ T1064] ? nla_memcpy+0xb0/0xb0 [ 1319.772941][ T1064] ? __nla_parse+0x43/0x60 [ 1319.780799][ T1064] ? tipc_nl_publ_dump+0x1f8/0xd60 [ 1319.789237][ T1064] ? mark_held_locks+0xa4/0xf0 [ 1319.794007][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1319.803601][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1319.812503][ T1064] ? lockdep_hardirqs_on+0x418/0x5d0 [ 1319.821291][ T1064] ? retint_kernel+0x2b/0x2b [ 1319.829189][ T1064] ? trace_hardirqs_on_caller+0x6a/0x240 [ 1319.834826][ T1064] ? tipc_nl_sk_dump+0x30/0x30 [ 1319.842950][ T1064] ? __tipc_nl_compat_dumpit.isra.0+0x21a/0x930 [ 1319.852498][ T1064] ? __tipc_add_link_prop.isra.0+0x210/0x210 [ 1319.861812][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1319.871152][ T1064] ? __phys_addr+0xa4/0x120 [ 1319.875674][ T1064] ? __nla_put+0x37/0x40 [ 1319.883449][ T1064] ? nla_put+0x110/0x150 [ 1319.890963][ T1064] ? tipc_nl_compat_sk_dump+0x54d/0x970 [ 1319.899829][ T1064] ? __tipc_nl_compat_dumpit.isra.0+0x930/0x930 [ 1319.910255][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1319.919783][ T1064] ? __nla_validate_parse+0x2d0/0x1ed0 [ 1319.925243][ T1064] ? tipc_nl_sk_dump+0x30/0x30 [ 1319.933375][ T1064] ? tipc_tlv_sprintf+0x2f0/0x2f0 [ 1319.941788][ T1064] ? nla_memcpy+0xb0/0xb0 [ 1319.949450][ T1064] ? __kasan_check_read+0x11/0x20 [ 1319.954510][ T1064] ? __tipc_nl_compat_dumpit.isra.0+0x320/0x930 [ 1319.964706][ T1064] ? __tipc_add_link_prop.isra.0+0x210/0x210 [ 1319.974353][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1319.984192][ T1064] ? __phys_addr+0xa4/0x120 [ 1319.992342][ T1064] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1320.001475][ T1064] ? skb_put+0x177/0x1d0 [ 1320.005731][ T1064] ? tipc_nl_compat_dumpit+0x24c/0x510 [ 1320.014496][ T1064] ? tipc_nl_compat_recv+0x5a0/0xae0 [ 1320.023082][ T1064] ? tipc_nl_compat_doit+0x5e0/0x5e0 [ 1320.031772][ T1064] ? mark_held_locks+0xf0/0xf0 [ 1320.039849][ T1064] ? tipc_dump_start+0x90/0x90 [ 1320.044610][ T1064] ? __tipc_nl_compat_dumpit.isra.0+0x930/0x930 [ 1320.054218][ T1064] ? genl_family_rcv_msg+0x74b/0xf90 [ 1320.063074][ T1064] ? genl_unregister_family+0x7b0/0x7b0 [ 1320.072000][ T1064] ? __kasan_check_read+0x11/0x20 [ 1320.080319][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1320.085387][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1320.094001][ T1064] ? genl_rcv_msg+0xca/0x170 [ 1320.101909][ T1064] ? netlink_rcv_skb+0x177/0x450 [ 1320.110203][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1320.115496][ T1064] ? netlink_ack+0xb30/0xb30 [ 1320.123714][ T1064] ? __kasan_check_write+0x14/0x20 [ 1320.132146][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1320.140852][ T1064] ? genl_rcv+0x29/0x40 [ 1320.145010][ T1064] ? netlink_unicast+0x531/0x710 [ 1320.153260][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1320.161850][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1320.170506][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1320.179579][ T1064] ? __check_object_size+0x3d/0x437 [ 1320.184783][ T1064] ? netlink_sendmsg+0x8a5/0xd60 [ 1320.193030][ T1064] ? netlink_unicast+0x710/0x710 [ 1320.201325][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1320.210168][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1320.215627][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1320.225247][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1320.234010][ T1064] ? netlink_unicast+0x710/0x710 [ 1320.242302][ T1064] ? sock_sendmsg+0xd7/0x130 [ 1320.250272][ T1064] ? ___sys_sendmsg+0x803/0x920 [ 1320.255125][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1320.263911][ T1064] ? __kasan_check_read+0x11/0x20 [ 1320.272256][ T1064] ? __fget+0x384/0x560 [ 1320.279799][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1320.284226][ T1064] ? __fget_light+0x1a9/0x230 [ 1320.292233][ T1064] ? __fdget+0x1b/0x20 [ 1320.299597][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1320.305848][ T1064] ? __sys_sendmsg+0x105/0x1d0 [ 1320.314095][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1320.322432][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1320.331318][ T1064] ? do_syscall_64+0x26/0x760 [ 1320.339329][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1320.345397][ T1064] ? do_syscall_64+0x26/0x760 [ 1320.353383][ T1064] ? __x64_sys_sendmsg+0x78/0xb0 [ 1320.362001][ T1064] ? do_syscall_64+0xfa/0x760 [ 1320.370088][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1320.379538][ T1064] INFO: task syz-executor.3:9327 can't die for more than 144 seconds. [ 1320.391230][ T1064] syz-executor.3 D28592 9327 8765 0x00000004 [ 1320.400932][ T1064] Call Trace: [ 1320.404228][ T1064] __schedule+0x76e/0x17d0 [ 1320.411980][ T1064] ? __sched_text_start+0x8/0x8 [ 1320.420205][ T1064] ? lock_downgrade+0x920/0x920 [ 1320.425057][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1320.433306][ T1064] schedule+0xa8/0x270 [ 1320.442976][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1320.451734][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1320.459617][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1320.464295][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1320.473310][ T1064] ? __kasan_check_read+0x11/0x20 [ 1320.481641][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1320.489992][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1320.495124][ T1064] mutex_lock_nested+0x16/0x20 [ 1320.502803][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1320.510334][ T1064] genl_rcv_msg+0x13e/0x170 [ 1320.515352][ T1064] netlink_rcv_skb+0x177/0x450 [ 1320.530794][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1320.537155][ T1064] ? netlink_ack+0xb30/0xb30 [ 1320.541743][ T1064] ? __kasan_check_write+0x14/0x20 [ 1320.550890][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1320.557520][ T1064] genl_rcv+0x29/0x40 [ 1320.561504][ T1064] netlink_unicast+0x531/0x710 [ 1320.571837][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1320.578226][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1320.583597][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1320.594631][ T1064] ? __check_object_size+0x3d/0x437 [ 1320.613057][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1320.618107][ T1064] ? netlink_unicast+0x710/0x710 [ 1320.623043][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1320.634904][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1320.640634][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1320.653282][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1320.659005][ T1064] ? netlink_unicast+0x710/0x710 [ 1320.663944][ T1064] sock_sendmsg+0xd7/0x130 [ 1320.674709][ T1064] ___sys_sendmsg+0x803/0x920 [ 1320.679667][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1320.685136][ T1064] ? __kasan_check_read+0x11/0x20 [ 1320.696627][ T1064] ? __fget+0x384/0x560 [ 1320.700796][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1320.705220][ T1064] ? __fget_light+0x1a9/0x230 [ 1320.715228][ T1064] ? __fdget+0x1b/0x20 [ 1320.720593][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1320.732295][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1320.738234][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1320.743276][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1320.754125][ T1064] ? do_syscall_64+0x26/0x760 [ 1320.765479][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1320.777908][ T1064] ? do_syscall_64+0x26/0x760 [ 1320.782597][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1320.791740][ T1064] do_syscall_64+0xfa/0x760 [ 1320.798555][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1320.804448][ T1064] RIP: 0033:0x413681 [ 1320.812662][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1320.840152][ T1064] RSP: 002b:00007f6ab41fa9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1320.851887][ T1064] RAX: ffffffffffffffda RBX: 00007f6ab41faa58 RCX: 0000000000413681 [ 1320.863231][ T1064] RDX: 0000000000000000 RSI: 00007f6ab41faa00 RDI: 0000000000000005 [ 1320.874487][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1320.885746][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6ab41faa40 [ 1320.900255][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1320.909547][ T1064] INFO: task syz-executor.3:9327 blocked for more than 144 seconds. [ 1320.922781][ T1064] Not tainted 5.3.0-rc5-next-20190823 #72 [ 1320.930262][ T1064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1320.944214][ T1064] syz-executor.3 D28592 9327 8765 0x00000004 [ 1320.952010][ T1064] Call Trace: [ 1320.955318][ T1064] __schedule+0x76e/0x17d0 [ 1320.965600][ T1064] ? __sched_text_start+0x8/0x8 [ 1320.971905][ T1064] ? lock_downgrade+0x920/0x920 [ 1320.982333][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1320.988716][ T1064] schedule+0xa8/0x270 [ 1320.992802][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1321.003578][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1321.009454][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1321.014131][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1321.024995][ T1064] ? __kasan_check_read+0x11/0x20 [ 1321.031296][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1321.041635][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1321.048042][ T1064] mutex_lock_nested+0x16/0x20 [ 1321.052801][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1321.063207][ T1064] genl_rcv_msg+0x13e/0x170 [ 1321.069005][ T1064] netlink_rcv_skb+0x177/0x450 [ 1321.073898][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1321.084823][ T1064] ? netlink_ack+0xb30/0xb30 [ 1321.090713][ T1064] ? __kasan_check_write+0x14/0x20 [ 1321.095828][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1321.105965][ T1064] genl_rcv+0x29/0x40 [ 1321.109963][ T1064] netlink_unicast+0x531/0x710 [ 1321.114824][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1321.120998][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1321.126512][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1321.132232][ T1064] ? __check_object_size+0x3d/0x437 [ 1321.137568][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1321.142337][ T1064] ? netlink_unicast+0x710/0x710 [ 1321.147424][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1321.152971][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1321.158572][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1321.164815][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1321.170421][ T1064] ? netlink_unicast+0x710/0x710 [ 1321.175363][ T1064] sock_sendmsg+0xd7/0x130 [ 1321.179931][ T1064] ___sys_sendmsg+0x803/0x920 [ 1321.184613][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1321.190246][ T1064] ? __kasan_check_read+0x11/0x20 [ 1321.195274][ T1064] ? __fget+0x384/0x560 [ 1321.199571][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1321.203997][ T1064] ? __fget_light+0x1a9/0x230 [ 1321.208975][ T1064] ? __fdget+0x1b/0x20 [ 1321.213042][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1321.219559][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1321.224150][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1321.229549][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1321.235008][ T1064] ? do_syscall_64+0x26/0x760 [ 1321.240038][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1321.247255][ T1064] ? do_syscall_64+0x26/0x760 [ 1321.251937][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1321.256984][ T1064] do_syscall_64+0xfa/0x760 [ 1321.261494][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1321.267660][ T1064] RIP: 0033:0x413681 [ 1321.271557][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1321.291463][ T1064] RSP: 002b:00007f6ab41fa9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1321.300119][ T1064] RAX: ffffffffffffffda RBX: 00007f6ab41faa58 RCX: 0000000000413681 [ 1321.308377][ T1064] RDX: 0000000000000000 RSI: 00007f6ab41faa00 RDI: 0000000000000005 [ 1321.316592][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1321.324558][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6ab41faa40 [ 1321.332814][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1321.341042][ T1064] INFO: task syz-executor.3:9333 can't die for more than 145 seconds. [ 1321.349413][ T1064] syz-executor.3 D27840 9333 8765 0x00000004 [ 1321.355744][ T1064] Call Trace: [ 1321.359318][ T1064] __schedule+0x76e/0x17d0 [ 1321.363740][ T1064] ? __sched_text_start+0x8/0x8 [ 1321.368874][ T1064] ? lock_downgrade+0x920/0x920 [ 1321.373722][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1321.379825][ T1064] schedule+0xa8/0x270 [ 1321.383899][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1321.389734][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1321.394326][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1321.399284][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1321.404831][ T1064] ? __kasan_check_read+0x11/0x20 [ 1321.410166][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1321.415189][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1321.420683][ T1064] mutex_lock_nested+0x16/0x20 [ 1321.425446][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1321.430688][ T1064] genl_rcv_msg+0x13e/0x170 [ 1321.435192][ T1064] netlink_rcv_skb+0x177/0x450 [ 1321.440251][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1321.451810][ T1064] ? netlink_ack+0xb30/0xb30 [ 1321.456626][ T1064] ? __kasan_check_write+0x14/0x20 [ 1321.461743][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1321.467321][ T1064] genl_rcv+0x29/0x40 [ 1321.471298][ T1064] netlink_unicast+0x531/0x710 [ 1321.476382][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1321.481494][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1321.487196][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1321.492915][ T1064] ? __check_object_size+0x3d/0x437 [ 1321.498475][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1321.508388][ T1064] ? netlink_unicast+0x710/0x710 [ 1321.520194][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1321.525740][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1321.536707][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1321.555637][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1321.567807][ T1064] ? netlink_unicast+0x710/0x710 [ 1321.572746][ T1064] sock_sendmsg+0xd7/0x130 [ 1321.577438][ T1064] ___sys_sendmsg+0x803/0x920 [ 1321.582117][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1321.587880][ T1064] ? __kasan_check_read+0x11/0x20 [ 1321.592906][ T1064] ? __fget+0x384/0x560 [ 1321.597350][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1321.601777][ T1064] ? __fget_light+0x1a9/0x230 [ 1321.606727][ T1064] ? __fdget+0x1b/0x20 [ 1321.610798][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1321.617342][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1321.621933][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1321.627253][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1321.632712][ T1064] ? do_syscall_64+0x26/0x760 [ 1321.638562][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1321.644630][ T1064] ? do_syscall_64+0x26/0x760 [ 1321.649604][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1321.654372][ T1064] do_syscall_64+0xfa/0x760 [ 1321.659168][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1321.665053][ T1064] RIP: 0033:0x413681 [ 1321.669333][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1321.689736][ T1064] RSP: 002b:00007f6ab41d99c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1321.701904][ T1064] RAX: ffffffffffffffda RBX: 00007f6ab41d9a58 RCX: 0000000000413681 [ 1321.712088][ T1064] RDX: 0000000000000000 RSI: 00007f6ab41d9a00 RDI: 0000000000000005 [ 1321.724234][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1321.734441][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6ab41d9a40 [ 1321.748658][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1321.759802][ T1064] INFO: task syz-executor.3:9333 blocked for more than 145 seconds. [ 1321.770939][ T1064] Not tainted 5.3.0-rc5-next-20190823 #72 [ 1321.780334][ T1064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1321.792244][ T1064] syz-executor.3 D27840 9333 8765 0x00000004 [ 1321.802838][ T1064] Call Trace: [ 1321.809299][ T1064] __schedule+0x76e/0x17d0 [ 1321.813724][ T1064] ? __sched_text_start+0x8/0x8 [ 1321.821822][ T1064] ? lock_downgrade+0x920/0x920 [ 1321.829913][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1321.834859][ T1064] schedule+0xa8/0x270 [ 1321.842102][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1321.850700][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1321.855293][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1321.863281][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1321.871997][ T1064] ? __kasan_check_read+0x11/0x20 [ 1321.881447][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1321.889641][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1321.894767][ T1064] mutex_lock_nested+0x16/0x20 [ 1321.902708][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1321.910794][ T1064] genl_rcv_msg+0x13e/0x170 [ 1321.915299][ T1064] netlink_rcv_skb+0x177/0x450 [ 1321.923410][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1321.931865][ T1064] ? netlink_ack+0xb30/0xb30 [ 1321.939608][ T1064] ? __kasan_check_write+0x14/0x20 [ 1321.944727][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1321.953468][ T1064] genl_rcv+0x29/0x40 [ 1321.961150][ T1064] netlink_unicast+0x531/0x710 [ 1321.969182][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1321.974294][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1321.983160][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1321.992318][ T1064] ? __check_object_size+0x3d/0x437 [ 1322.001010][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1322.005785][ T1064] ? netlink_unicast+0x710/0x710 [ 1322.013985][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1322.022697][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1322.031323][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1322.041126][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1322.049821][ T1064] ? netlink_unicast+0x710/0x710 [ 1322.054759][ T1064] sock_sendmsg+0xd7/0x130 [ 1322.062347][ T1064] ___sys_sendmsg+0x803/0x920 [ 1322.070202][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1322.075672][ T1064] ? __kasan_check_read+0x11/0x20 [ 1322.083878][ T1064] ? __fget+0x384/0x560 [ 1322.091200][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1322.095741][ T1064] ? __fget_light+0x1a9/0x230 [ 1322.103883][ T1064] ? __fdget+0x1b/0x20 [ 1322.111105][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1322.120495][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1322.125092][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1322.133313][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1322.142105][ T1064] ? do_syscall_64+0x26/0x760 [ 1322.149934][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1322.159166][ T1064] ? do_syscall_64+0x26/0x760 [ 1322.163938][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1322.171960][ T1064] do_syscall_64+0xfa/0x760 [ 1322.179627][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1322.185519][ T1064] RIP: 0033:0x413681 [ 1322.192561][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1322.218907][ T1064] RSP: 002b:00007f6ab41d99c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1322.230501][ T1064] RAX: ffffffffffffffda RBX: 00007f6ab41d9a58 RCX: 0000000000413681 [ 1322.241648][ T1064] RDX: 0000000000000000 RSI: 00007f6ab41d9a00 RDI: 0000000000000005 [ 1322.252847][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1322.264198][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6ab41d9a40 [ 1322.275329][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1322.286857][ T1064] INFO: task syz-executor.1:9330 can't die for more than 146 seconds. [ 1322.295017][ T1064] syz-executor.1 D28592 9330 8774 0x00000004 [ 1322.301654][ T1064] Call Trace: [ 1322.304948][ T1064] __schedule+0x76e/0x17d0 [ 1322.309658][ T1064] ? __sched_text_start+0x8/0x8 [ 1322.314511][ T1064] ? lock_downgrade+0x920/0x920 [ 1322.319631][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1322.324574][ T1064] schedule+0xa8/0x270 [ 1322.328931][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1322.334388][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1322.339249][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1322.343930][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1322.349836][ T1064] ? __kasan_check_read+0x11/0x20 [ 1322.354858][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1322.360183][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1322.365314][ T1064] mutex_lock_nested+0x16/0x20 [ 1322.370355][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1322.375289][ T1064] genl_rcv_msg+0x13e/0x170 [ 1322.380156][ T1064] netlink_rcv_skb+0x177/0x450 [ 1322.384924][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1322.390494][ T1064] ? netlink_ack+0xb30/0xb30 [ 1322.395085][ T1064] ? __kasan_check_write+0x14/0x20 [ 1322.400464][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1322.405751][ T1064] genl_rcv+0x29/0x40 [ 1322.410015][ T1064] netlink_unicast+0x531/0x710 [ 1322.414784][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1322.421087][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1322.426738][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1322.432589][ T1064] ? __check_object_size+0x3d/0x437 [ 1322.438619][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1322.443398][ T1064] ? netlink_unicast+0x710/0x710 [ 1322.448648][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1322.454194][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1322.459933][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1322.466441][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1322.471897][ T1064] ? netlink_unicast+0x710/0x710 [ 1322.477195][ T1064] sock_sendmsg+0xd7/0x130 [ 1322.481612][ T1064] ___sys_sendmsg+0x803/0x920 [ 1322.486594][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1322.492066][ T1064] ? __kasan_check_read+0x11/0x20 [ 1322.497369][ T1064] ? __fget+0x384/0x560 [ 1322.503997][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1322.519149][ T1064] ? __fget_light+0x1a9/0x230 [ 1322.533985][ T1064] ? __fdget+0x1b/0x20 [ 1322.542127][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1322.557569][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1322.562167][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1322.567478][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1322.572933][ T1064] ? do_syscall_64+0x26/0x760 [ 1322.577896][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1322.583958][ T1064] ? do_syscall_64+0x26/0x760 [ 1322.588928][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1322.593692][ T1064] do_syscall_64+0xfa/0x760 [ 1322.598481][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1322.604367][ T1064] RIP: 0033:0x413681 [ 1322.608550][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1322.628522][ T1064] RSP: 002b:00007f9b55eb19c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1322.637194][ T1064] RAX: ffffffffffffffda RBX: 00007f9b55eb1a58 RCX: 0000000000413681 [ 1322.645159][ T1064] RDX: 0000000000000000 RSI: 00007f9b55eb1a00 RDI: 0000000000000005 [ 1322.653434][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1322.661809][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9b55eb1a40 [ 1322.670035][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1322.678283][ T1064] INFO: task syz-executor.1:9330 blocked for more than 146 seconds. [ 1322.687432][ T1064] Not tainted 5.3.0-rc5-next-20190823 #72 [ 1322.693666][ T1064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1322.702684][ T1064] syz-executor.1 D28592 9330 8774 0x00000004 [ 1322.709272][ T1064] Call Trace: [ 1322.712568][ T1064] __schedule+0x76e/0x17d0 [ 1322.717266][ T1064] ? __sched_text_start+0x8/0x8 [ 1322.722114][ T1064] ? lock_downgrade+0x920/0x920 [ 1322.727254][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1322.732197][ T1064] schedule+0xa8/0x270 [ 1322.736538][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1322.741991][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1322.746864][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1322.751542][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1322.757399][ T1064] ? __kasan_check_read+0x11/0x20 [ 1322.762423][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1322.767723][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1322.772847][ T1064] mutex_lock_nested+0x16/0x20 [ 1322.777882][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1322.782822][ T1064] genl_rcv_msg+0x13e/0x170 [ 1322.787693][ T1064] netlink_rcv_skb+0x177/0x450 [ 1322.792460][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1322.798020][ T1064] ? netlink_ack+0xb30/0xb30 [ 1322.802611][ T1064] ? __kasan_check_write+0x14/0x20 [ 1322.808023][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1322.813312][ T1064] genl_rcv+0x29/0x40 [ 1322.818541][ T1064] netlink_unicast+0x531/0x710 [ 1322.823308][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1322.828716][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1322.834089][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1322.840097][ T1064] ? __check_object_size+0x3d/0x437 [ 1322.845300][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1322.850363][ T1064] ? netlink_unicast+0x710/0x710 [ 1322.855299][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1322.861132][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1322.866858][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1322.873105][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1322.878922][ T1064] ? netlink_unicast+0x710/0x710 [ 1322.883865][ T1064] sock_sendmsg+0xd7/0x130 [ 1322.888584][ T1064] ___sys_sendmsg+0x803/0x920 [ 1322.893266][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1322.899022][ T1064] ? __kasan_check_read+0x11/0x20 [ 1322.904048][ T1064] ? __fget+0x384/0x560 [ 1322.908564][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1322.912987][ T1064] ? __fget_light+0x1a9/0x230 [ 1322.917930][ T1064] ? __fdget+0x1b/0x20 [ 1322.922005][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1322.928529][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1322.933117][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1322.938439][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1322.943894][ T1064] ? do_syscall_64+0x26/0x760 [ 1322.949741][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1322.956254][ T1064] ? do_syscall_64+0x26/0x760 [ 1322.960946][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1322.965707][ T1064] do_syscall_64+0xfa/0x760 [ 1322.970549][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1322.976685][ T1064] RIP: 0033:0x413681 [ 1322.980579][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1323.000601][ T1064] RSP: 002b:00007f9b55eb19c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1323.009272][ T1064] RAX: ffffffffffffffda RBX: 00007f9b55eb1a58 RCX: 0000000000413681 [ 1323.017522][ T1064] RDX: 0000000000000000 RSI: 00007f9b55eb1a00 RDI: 0000000000000005 [ 1323.025491][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1323.033816][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9b55eb1a40 [ 1323.042066][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1323.050305][ T1064] INFO: task syz-executor.1:9334 can't die for more than 146 seconds. [ 1323.058672][ T1064] syz-executor.1 D27840 9334 8774 0x00000004 [ 1323.065009][ T1064] Call Trace: [ 1323.068573][ T1064] __schedule+0x76e/0x17d0 [ 1323.072997][ T1064] ? __sched_text_start+0x8/0x8 [ 1323.079029][ T1064] ? lock_downgrade+0x920/0x920 [ 1323.084004][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1323.089233][ T1064] schedule+0xa8/0x270 [ 1323.093306][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1323.099045][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1323.103636][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1323.108580][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1323.114127][ T1064] ? __kasan_check_read+0x11/0x20 [ 1323.119440][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1323.124464][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1323.129954][ T1064] mutex_lock_nested+0x16/0x20 [ 1323.134713][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1323.139938][ T1064] genl_rcv_msg+0x13e/0x170 [ 1323.144442][ T1064] netlink_rcv_skb+0x177/0x450 [ 1323.149486][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1323.154769][ T1064] ? netlink_ack+0xb30/0xb30 [ 1323.159713][ T1064] ? __kasan_check_write+0x14/0x20 [ 1323.164826][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1323.170384][ T1064] genl_rcv+0x29/0x40 [ 1323.174363][ T1064] netlink_unicast+0x531/0x710 [ 1323.179407][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1323.184518][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1323.190181][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1323.196165][ T1064] ? __check_object_size+0x3d/0x437 [ 1323.201369][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1323.207298][ T1064] ? netlink_unicast+0x710/0x710 [ 1323.212239][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1323.218190][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1323.223646][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1323.230165][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1323.235620][ T1064] ? netlink_unicast+0x710/0x710 [ 1323.240837][ T1064] sock_sendmsg+0xd7/0x130 [ 1323.245260][ T1064] ___sys_sendmsg+0x803/0x920 [ 1323.250212][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1323.255681][ T1064] ? __kasan_check_read+0x11/0x20 [ 1323.261014][ T1064] ? __fget+0x384/0x560 [ 1323.265174][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1323.269874][ T1064] ? __fget_light+0x1a9/0x230 [ 1323.274571][ T1064] ? __fdget+0x1b/0x20 [ 1323.278938][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1323.285179][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1323.290124][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1323.295199][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1323.300948][ T1064] ? do_syscall_64+0x26/0x760 [ 1323.305623][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1323.311966][ T1064] ? do_syscall_64+0x26/0x760 [ 1323.316971][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1323.321739][ T1064] do_syscall_64+0xfa/0x760 [ 1323.326523][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1323.332411][ T1064] RIP: 0033:0x413681 [ 1323.337471][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1323.357352][ T1064] RSP: 002b:00007f9b55e909c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1323.365762][ T1064] RAX: ffffffffffffffda RBX: 00007f9b55e90a58 RCX: 0000000000413681 [ 1323.374100][ T1064] RDX: 0000000000000000 RSI: 00007f9b55e90a00 RDI: 0000000000000005 [ 1323.382342][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1323.390555][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9b55e90a40 [ 1323.398793][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1323.410007][ T1064] INFO: task syz-executor.1:9334 blocked for more than 147 seconds. [ 1323.420173][ T1064] Not tainted 5.3.0-rc5-next-20190823 #72 [ 1323.430579][ T1064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1323.441420][ T1064] syz-executor.1 D27840 9334 8774 0x00000004 [ 1323.452073][ T1064] Call Trace: [ 1323.455373][ T1064] __schedule+0x76e/0x17d0 [ 1323.461971][ T1064] ? __sched_text_start+0x8/0x8 [ 1323.470974][ T1064] ? lock_downgrade+0x920/0x920 [ 1323.475824][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1323.483535][ T1064] schedule+0xa8/0x270 [ 1323.491858][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1323.499574][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1323.504165][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1323.512066][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1323.519597][ T1064] ? __kasan_check_read+0x11/0x20 [ 1323.524625][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1323.533832][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1323.540719][ T1064] mutex_lock_nested+0x16/0x20 [ 1323.545550][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1323.554433][ T1064] genl_rcv_msg+0x13e/0x170 [ 1323.561185][ T1064] netlink_rcv_skb+0x177/0x450 [ 1323.570151][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1323.575545][ T1064] ? netlink_ack+0xb30/0xb30 [ 1323.582307][ T1064] ? __kasan_check_write+0x14/0x20 [ 1323.591599][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1323.599040][ T1064] genl_rcv+0x29/0x40 [ 1323.603024][ T1064] netlink_unicast+0x531/0x710 [ 1323.611965][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1323.619213][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1323.624585][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1323.634816][ T1064] ? __check_object_size+0x3d/0x437 [ 1323.642201][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1323.651127][ T1064] ? netlink_unicast+0x710/0x710 [ 1323.658230][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1323.663782][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1323.673590][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1323.682543][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1323.692212][ T1064] ? netlink_unicast+0x710/0x710 [ 1323.699352][ T1064] sock_sendmsg+0xd7/0x130 [ 1323.703777][ T1064] ___sys_sendmsg+0x803/0x920 [ 1323.712713][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1323.725996][ T1064] ? __kasan_check_read+0x11/0x20 [ 1323.731034][ T1064] ? __fget+0x384/0x560 [ 1323.735190][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1323.739972][ T1064] ? __fget_light+0x1a9/0x230 [ 1323.744651][ T1064] ? __fdget+0x1b/0x20 [ 1323.749069][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1323.755313][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1323.760170][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1323.765207][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1323.770931][ T1064] ? do_syscall_64+0x26/0x760 [ 1323.775610][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1323.781940][ T1064] ? do_syscall_64+0x26/0x760 [ 1323.786880][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1323.791644][ T1064] do_syscall_64+0xfa/0x760 [ 1323.796427][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1323.802313][ T1064] RIP: 0033:0x413681 [ 1323.806474][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1323.826375][ T1064] RSP: 002b:00007f9b55e909c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1323.834781][ T1064] RAX: ffffffffffffffda RBX: 00007f9b55e90a58 RCX: 0000000000413681 [ 1323.843048][ T1064] RDX: 0000000000000000 RSI: 00007f9b55e90a00 RDI: 0000000000000005 [ 1323.851281][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1323.859520][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9b55e90a40 [ 1323.867759][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1323.875752][ T1064] INFO: task syz-executor.0:9329 can't die for more than 147 seconds. [ 1323.884253][ T1064] syz-executor.0 D28592 9329 8771 0x00000004 [ 1323.890857][ T1064] Call Trace: [ 1323.894155][ T1064] __schedule+0x76e/0x17d0 [ 1323.898933][ T1064] ? __sched_text_start+0x8/0x8 [ 1323.903787][ T1064] ? lock_downgrade+0x920/0x920 [ 1323.908911][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1323.913859][ T1064] schedule+0xa8/0x270 [ 1323.918280][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1323.923823][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1323.928717][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1323.933401][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1323.939260][ T1064] ? __kasan_check_read+0x11/0x20 [ 1323.944284][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1323.949583][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1323.954711][ T1064] mutex_lock_nested+0x16/0x20 [ 1323.959796][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1323.964737][ T1064] genl_rcv_msg+0x13e/0x170 [ 1323.972590][ T1064] netlink_rcv_skb+0x177/0x450 [ 1323.977531][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1323.982816][ T1064] ? netlink_ack+0xb30/0xb30 [ 1323.994433][ T1064] ? __kasan_check_write+0x14/0x20 [ 1323.999696][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1324.004985][ T1064] genl_rcv+0x29/0x40 [ 1324.015070][ T1064] netlink_unicast+0x531/0x710 [ 1324.019986][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1324.025097][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1324.036655][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1324.042384][ T1064] ? __check_object_size+0x3d/0x437 [ 1324.052814][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1324.058759][ T1064] ? netlink_unicast+0x710/0x710 [ 1324.063700][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1324.074516][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1324.081141][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1324.092552][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1324.099171][ T1064] ? netlink_unicast+0x710/0x710 [ 1324.104110][ T1064] sock_sendmsg+0xd7/0x130 [ 1324.113906][ T1064] ___sys_sendmsg+0x803/0x920 [ 1324.120663][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1324.131311][ T1064] ? __kasan_check_read+0x11/0x20 [ 1324.137503][ T1064] ? __fget+0x384/0x560 [ 1324.141668][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1324.151585][ T1064] ? __fget_light+0x1a9/0x230 [ 1324.157432][ T1064] ? __fdget+0x1b/0x20 [ 1324.161502][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1324.172941][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1324.178781][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1324.183824][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1324.194585][ T1064] ? do_syscall_64+0x26/0x760 [ 1324.200429][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1324.211667][ T1064] ? do_syscall_64+0x26/0x760 [ 1324.217525][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1324.222291][ T1064] do_syscall_64+0xfa/0x760 [ 1324.231992][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1324.239156][ T1064] RIP: 0033:0x413681 [ 1324.243055][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1324.269818][ T1064] RSP: 002b:00007fd2a317f9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1324.280524][ T1064] RAX: ffffffffffffffda RBX: 00007fd2a317fa58 RCX: 0000000000413681 [ 1324.292673][ T1064] RDX: 0000000000000000 RSI: 00007fd2a317fa00 RDI: 0000000000000005 [ 1324.302839][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1324.314996][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd2a317fa40 [ 1324.325212][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1324.339545][ T1064] INFO: task syz-executor.0:9329 blocked for more than 148 seconds. [ 1324.349688][ T1064] Not tainted 5.3.0-rc5-next-20190823 #72 [ 1324.360630][ T1064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.371465][ T1064] syz-executor.0 D28592 9329 8771 0x00000004 [ 1324.382009][ T1064] Call Trace: [ 1324.385311][ T1064] __schedule+0x76e/0x17d0 [ 1324.392024][ T1064] ? __sched_text_start+0x8/0x8 [ 1324.401969][ T1064] ? lock_downgrade+0x920/0x920 [ 1324.409198][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1324.414146][ T1064] schedule+0xa8/0x270 [ 1324.422423][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1324.430075][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1324.434718][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1324.444278][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1324.461570][ T1064] ? __kasan_check_read+0x11/0x20 [ 1324.466887][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1324.471914][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1324.483405][ T1064] mutex_lock_nested+0x16/0x20 [ 1324.488429][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1324.493370][ T1064] genl_rcv_msg+0x13e/0x170 [ 1324.507889][ T1064] netlink_rcv_skb+0x177/0x450 [ 1324.524415][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1324.531193][ T1064] ? netlink_ack+0xb30/0xb30 [ 1324.535791][ T1064] ? __kasan_check_write+0x14/0x20 [ 1324.568439][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1324.573828][ T1064] genl_rcv+0x29/0x40 [ 1324.582179][ T1064] netlink_unicast+0x531/0x710 [ 1324.589276][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1324.594385][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1324.604178][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1324.612217][ T1064] ? __check_object_size+0x3d/0x437 [ 1324.621843][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1324.628929][ T1064] ? netlink_unicast+0x710/0x710 [ 1324.633899][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1324.643792][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1324.651569][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1324.663362][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1324.671145][ T1064] ? netlink_unicast+0x710/0x710 [ 1324.680393][ T1064] sock_sendmsg+0xd7/0x130 [ 1324.684816][ T1064] ___sys_sendmsg+0x803/0x920 [ 1324.692527][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1324.702419][ T1064] ? __kasan_check_read+0x11/0x20 [ 1324.708425][ T1064] ? __fget+0x384/0x560 [ 1324.712590][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1324.723503][ T1064] ? __fget_light+0x1a9/0x230 [ 1324.728466][ T1064] ? __fdget+0x1b/0x20 [ 1324.732540][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1324.745275][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1324.750152][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1324.755189][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1324.765992][ T1064] ? do_syscall_64+0x26/0x760 [ 1324.770685][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1324.776902][ T1064] ? do_syscall_64+0x26/0x760 [ 1324.781587][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1324.786634][ T1064] do_syscall_64+0xfa/0x760 [ 1324.791145][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1324.797537][ T1064] RIP: 0033:0x413681 [ 1324.801430][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1324.821361][ T1064] RSP: 002b:00007fd2a317f9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1324.830034][ T1064] RAX: ffffffffffffffda RBX: 00007fd2a317fa58 RCX: 0000000000413681 [ 1324.838282][ T1064] RDX: 0000000000000000 RSI: 00007fd2a317fa00 RDI: 0000000000000005 [ 1324.846506][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1324.854472][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd2a317fa40 [ 1324.862720][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1324.870992][ T1064] INFO: task syz-executor.0:9335 can't die for more than 148 seconds. [ 1324.879358][ T1064] syz-executor.0 D27840 9335 8771 0x00004004 [ 1324.885693][ T1064] Call Trace: [ 1324.889291][ T1064] __schedule+0x76e/0x17d0 [ 1324.893714][ T1064] ? __sched_text_start+0x8/0x8 [ 1324.898838][ T1064] ? lock_downgrade+0x920/0x920 [ 1324.903685][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1324.908904][ T1064] schedule+0xa8/0x270 [ 1324.912979][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1324.918711][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1324.923306][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1324.928276][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1324.933823][ T1064] ? __kasan_check_read+0x11/0x20 [ 1324.939125][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1324.944151][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1324.949550][ T1064] ? kmem_cache_alloc+0x58e/0x710 [ 1324.954593][ T1064] mutex_lock_nested+0x16/0x20 [ 1324.959768][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1324.964708][ T1064] genl_rcv_msg+0x13e/0x170 [ 1324.969616][ T1064] netlink_rcv_skb+0x177/0x450 [ 1324.974387][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1324.980065][ T1064] ? netlink_ack+0xb30/0xb30 [ 1324.984687][ T1064] ? __kasan_check_write+0x14/0x20 [ 1324.990175][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1324.995563][ T1064] genl_rcv+0x29/0x40 [ 1324.999824][ T1064] netlink_unicast+0x531/0x710 [ 1325.004595][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1325.010091][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1325.015662][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1325.021665][ T1064] ? __check_object_size+0x3d/0x437 [ 1325.027191][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1325.031960][ T1064] ? netlink_unicast+0x710/0x710 [ 1325.037187][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1325.042736][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1325.048522][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1325.054765][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1325.060512][ T1064] ? netlink_unicast+0x710/0x710 [ 1325.065449][ T1064] sock_sendmsg+0xd7/0x130 [ 1325.070177][ T1064] ___sys_sendmsg+0x803/0x920 [ 1325.074859][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1325.080600][ T1064] ? __kasan_check_read+0x11/0x20 [ 1325.085626][ T1064] ? __fget+0x384/0x560 [ 1325.090099][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1325.094527][ T1064] ? __fget_light+0x1a9/0x230 [ 1325.099495][ T1064] ? __fdget+0x1b/0x20 [ 1325.103560][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1325.110103][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1325.114698][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1325.119993][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1325.125449][ T1064] ? do_syscall_64+0x26/0x760 [ 1325.130434][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1325.136751][ T1064] ? do_syscall_64+0x26/0x760 [ 1325.141432][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1325.146505][ T1064] do_syscall_64+0xfa/0x760 [ 1325.151013][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1325.157169][ T1064] RIP: 0033:0x413681 [ 1325.161063][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1325.181012][ T1064] RSP: 002b:00007fd2a315e9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1325.189679][ T1064] RAX: ffffffffffffffda RBX: 00007fd2a315ea58 RCX: 0000000000413681 [ 1325.198015][ T1064] RDX: 0000000000000000 RSI: 00007fd2a315ea00 RDI: 0000000000000005 [ 1325.206248][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1325.214228][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd2a315ea40 [ 1325.222515][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1325.230831][ T1064] INFO: task syz-executor.0:9335 blocked for more than 148 seconds. [ 1325.239055][ T1064] Not tainted 5.3.0-rc5-next-20190823 #72 [ 1325.245285][ T1064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.254192][ T1064] syz-executor.0 D27840 9335 8771 0x00004004 [ 1325.260885][ T1064] Call Trace: [ 1325.264183][ T1064] __schedule+0x76e/0x17d0 [ 1325.268871][ T1064] ? __sched_text_start+0x8/0x8 [ 1325.273724][ T1064] ? lock_downgrade+0x920/0x920 [ 1325.278878][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1325.283825][ T1064] schedule+0xa8/0x270 [ 1325.288161][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1325.293615][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1325.298517][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1325.303194][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1325.309027][ T1064] ? __kasan_check_read+0x11/0x20 [ 1325.314050][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1325.319401][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1325.324508][ T1064] ? kmem_cache_alloc+0x58e/0x710 [ 1325.329811][ T1064] mutex_lock_nested+0x16/0x20 [ 1325.334574][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1325.339802][ T1064] genl_rcv_msg+0x13e/0x170 [ 1325.344311][ T1064] netlink_rcv_skb+0x177/0x450 [ 1325.349345][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1325.354644][ T1064] ? netlink_ack+0xb30/0xb30 [ 1325.359537][ T1064] ? __kasan_check_write+0x14/0x20 [ 1325.364654][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1325.370209][ T1064] genl_rcv+0x29/0x40 [ 1325.374200][ T1064] netlink_unicast+0x531/0x710 [ 1325.379286][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1325.384398][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1325.390053][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1325.395774][ T1064] ? __check_object_size+0x3d/0x437 [ 1325.401298][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1325.406317][ T1064] ? netlink_unicast+0x710/0x710 [ 1325.411257][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1325.417109][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1325.422567][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1325.429080][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1325.434538][ T1064] ? netlink_unicast+0x710/0x710 [ 1325.439788][ T1064] sock_sendmsg+0xd7/0x130 [ 1325.444208][ T1064] ___sys_sendmsg+0x803/0x920 [ 1325.449157][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1325.454627][ T1064] ? __kasan_check_read+0x11/0x20 [ 1325.459980][ T1064] ? __fget+0x384/0x560 [ 1325.464141][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1325.469010][ T1064] ? __fget_light+0x1a9/0x230 [ 1325.473691][ T1064] ? __fdget+0x1b/0x20 [ 1325.478755][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1325.485005][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1325.489888][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1325.494926][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1325.500769][ T1064] ? do_syscall_64+0x26/0x760 [ 1325.505448][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1325.512802][ T1064] ? do_syscall_64+0x26/0x760 [ 1325.524739][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1325.542813][ T1064] do_syscall_64+0xfa/0x760 [ 1325.568674][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1325.585907][ T1064] RIP: 0033:0x413681 [ 1325.591193][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1325.617483][ T1064] RSP: 002b:00007fd2a315e9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1325.630106][ T1064] RAX: ffffffffffffffda RBX: 00007fd2a315ea58 RCX: 0000000000413681 [ 1325.640354][ T1064] RDX: 0000000000000000 RSI: 00007fd2a315ea00 RDI: 0000000000000005 [ 1325.654742][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1325.664914][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd2a315ea40 [ 1325.679591][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1325.691457][ T1064] INFO: task syz-executor.2:9325 can't die for more than 149 seconds. [ 1325.704787][ T1064] syz-executor.2 D28592 9325 8769 0x00004004 [ 1325.713302][ T1064] Call Trace: [ 1325.720805][ T1064] __schedule+0x76e/0x17d0 [ 1325.725239][ T1064] ? __sched_text_start+0x8/0x8 [ 1325.732275][ T1064] ? lock_downgrade+0x920/0x920 [ 1325.741304][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1325.748420][ T1064] schedule+0xa8/0x270 [ 1325.752491][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1325.762145][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1325.768915][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1325.773607][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1325.783375][ T1064] ? __kasan_check_read+0x11/0x20 [ 1325.790587][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1325.795617][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1325.815647][ T1064] mutex_lock_nested+0x16/0x20 [ 1325.820730][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1325.825670][ T1064] genl_rcv_msg+0x13e/0x170 [ 1325.837533][ T1064] netlink_rcv_skb+0x177/0x450 [ 1325.842300][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1325.852007][ T1064] ? netlink_ack+0xb30/0xb30 [ 1325.858903][ T1064] ? __kasan_check_write+0x14/0x20 [ 1325.864021][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1325.873778][ T1064] genl_rcv+0x29/0x40 [ 1325.880071][ T1064] netlink_unicast+0x531/0x710 [ 1325.884843][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1325.894369][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1325.902130][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1325.912442][ T1064] ? __check_object_size+0x3d/0x437 [ 1325.919959][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1325.924727][ T1064] ? netlink_unicast+0x710/0x710 [ 1325.934003][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1325.941997][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1325.951960][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1325.962431][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1325.972169][ T1064] ? netlink_unicast+0x710/0x710 [ 1325.979372][ T1064] sock_sendmsg+0xd7/0x130 [ 1325.983792][ T1064] ___sys_sendmsg+0x803/0x920 [ 1325.992788][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1326.000560][ T1064] ? __kasan_check_read+0x11/0x20 [ 1326.005591][ T1064] ? __fget+0x384/0x560 [ 1326.014092][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1326.020838][ T1064] ? __fget_light+0x1a9/0x230 [ 1326.025519][ T1064] ? __fdget+0x1b/0x20 [ 1326.033943][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1326.043609][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1326.052530][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1326.059936][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1326.065398][ T1064] ? do_syscall_64+0x26/0x760 [ 1326.074478][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1326.082855][ T1064] ? do_syscall_64+0x26/0x760 [ 1326.092757][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1326.099822][ T1064] do_syscall_64+0xfa/0x760 [ 1326.104333][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1326.114643][ T1064] RIP: 0033:0x413681 [ 1326.120915][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1326.147115][ T1064] RSP: 002b:00007f10112869c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1326.155531][ T1064] RAX: ffffffffffffffda RBX: 00007f1011286a58 RCX: 0000000000413681 [ 1326.169940][ T1064] RDX: 0000000000000000 RSI: 00007f1011286a00 RDI: 0000000000000005 [ 1326.180223][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1326.192787][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f1011286a40 [ 1326.203090][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1326.215395][ T1064] INFO: task syz-executor.2:9325 blocked for more than 149 seconds. [ 1326.230772][ T1064] Not tainted 5.3.0-rc5-next-20190823 #72 [ 1326.239440][ T1064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.252370][ T1064] syz-executor.2 D28592 9325 8769 0x00004004 [ 1326.261003][ T1064] Call Trace: [ 1326.264303][ T1064] __schedule+0x76e/0x17d0 [ 1326.273209][ T1064] ? __sched_text_start+0x8/0x8 [ 1326.280426][ T1064] ? lock_downgrade+0x920/0x920 [ 1326.285276][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1326.294624][ T1064] schedule+0xa8/0x270 [ 1326.301076][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1326.310999][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1326.315596][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1326.322696][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1326.332618][ T1064] ? __kasan_check_read+0x11/0x20 [ 1326.339967][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1326.344992][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1326.354500][ T1064] mutex_lock_nested+0x16/0x20 [ 1326.362564][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1326.371837][ T1064] genl_rcv_msg+0x13e/0x170 [ 1326.378672][ T1064] netlink_rcv_skb+0x177/0x450 [ 1326.383435][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1326.393070][ T1064] ? netlink_ack+0xb30/0xb30 [ 1326.399962][ T1064] ? __kasan_check_write+0x14/0x20 [ 1326.405078][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1326.414710][ T1064] genl_rcv+0x29/0x40 [ 1326.420998][ T1064] netlink_unicast+0x531/0x710 [ 1326.425767][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1326.435230][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1326.443802][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1326.454417][ T1064] ? __check_object_size+0x3d/0x437 [ 1326.461946][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1326.471020][ T1064] ? netlink_unicast+0x710/0x710 [ 1326.478277][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1326.483824][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1326.494572][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1326.505441][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1326.533641][ T1064] ? netlink_unicast+0x710/0x710 [ 1326.553349][ T1064] sock_sendmsg+0xd7/0x130 [ 1326.558063][ T1064] ___sys_sendmsg+0x803/0x920 [ 1326.562742][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1326.574828][ T1064] ? __kasan_check_read+0x11/0x20 [ 1326.580131][ T1064] ? __fget+0x384/0x560 [ 1326.584301][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1326.595056][ T1064] ? __fget_light+0x1a9/0x230 [ 1326.599998][ T1064] ? __fdget+0x1b/0x20 [ 1326.604070][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1326.617631][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1326.622227][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1326.632711][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1326.639479][ T1064] ? do_syscall_64+0x26/0x760 [ 1326.644159][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1326.655650][ T1064] ? do_syscall_64+0x26/0x760 [ 1326.661718][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1326.671813][ T1064] do_syscall_64+0xfa/0x760 [ 1326.677609][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1326.683496][ T1064] RIP: 0033:0x413681 [ 1326.692750][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1326.719088][ T1064] RSP: 002b:00007f10112869c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1326.729821][ T1064] RAX: ffffffffffffffda RBX: 00007f1011286a58 RCX: 0000000000413681 [ 1326.742106][ T1064] RDX: 0000000000000000 RSI: 00007f1011286a00 RDI: 0000000000000005 [ 1326.753277][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1326.765732][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f1011286a40 [ 1326.780332][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1326.789634][ T1064] INFO: task syz-executor.2:9332 can't die for more than 150 seconds. [ 1326.803073][ T1064] syz-executor.2 D27840 9332 8769 0x00000004 [ 1326.810706][ T1064] Call Trace: [ 1326.814004][ T1064] __schedule+0x76e/0x17d0 [ 1326.823769][ T1064] ? __sched_text_start+0x8/0x8 [ 1326.830275][ T1064] ? lock_downgrade+0x920/0x920 [ 1326.835132][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1326.850864][ T1064] schedule+0xa8/0x270 [ 1326.854946][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1326.861737][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1326.871660][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1326.878512][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1326.884064][ T1064] ? __kasan_check_read+0x11/0x20 [ 1326.894457][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1326.900772][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1326.911235][ T1064] mutex_lock_nested+0x16/0x20 [ 1326.917292][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1326.922227][ T1064] genl_rcv_msg+0x13e/0x170 [ 1326.932157][ T1064] netlink_rcv_skb+0x177/0x450 [ 1326.938213][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1326.943499][ T1064] ? netlink_ack+0xb30/0xb30 [ 1326.953598][ T1064] ? __kasan_check_write+0x14/0x20 [ 1326.960140][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1326.965429][ T1064] genl_rcv+0x29/0x40 [ 1326.974835][ T1064] netlink_unicast+0x531/0x710 [ 1326.980895][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1326.991588][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1326.999449][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1327.005172][ T1064] ? __check_object_size+0x3d/0x437 [ 1327.017716][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1327.023069][ T1064] ? netlink_unicast+0x710/0x710 [ 1327.033507][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1327.040356][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1327.045825][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1327.055944][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1327.061420][ T1064] ? netlink_unicast+0x710/0x710 [ 1327.066508][ T1064] sock_sendmsg+0xd7/0x130 [ 1327.070924][ T1064] ___sys_sendmsg+0x803/0x920 [ 1327.075608][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1327.081263][ T1064] ? __kasan_check_read+0x11/0x20 [ 1327.086414][ T1064] ? __fget+0x384/0x560 [ 1327.090577][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1327.095003][ T1064] ? __fget_light+0x1a9/0x230 [ 1327.099825][ T1064] ? __fdget+0x1b/0x20 [ 1327.103893][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1327.110273][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1327.114865][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1327.120031][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1327.125492][ T1064] ? do_syscall_64+0x26/0x760 [ 1327.130325][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1327.136654][ T1064] ? do_syscall_64+0x26/0x760 [ 1327.141354][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1327.146406][ T1064] do_syscall_64+0xfa/0x760 [ 1327.150916][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1327.157073][ T1064] RIP: 0033:0x413681 [ 1327.160970][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1327.180865][ T1064] RSP: 002b:00007f10112659c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1327.189615][ T1064] RAX: ffffffffffffffda RBX: 00007f1011265a58 RCX: 0000000000413681 [ 1327.197829][ T1064] RDX: 0000000000000000 RSI: 00007f1011265a00 RDI: 0000000000000005 [ 1327.205795][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1327.214059][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f1011265a40 [ 1327.222301][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1327.230557][ T1064] INFO: task syz-executor.2:9332 blocked for more than 150 seconds. [ 1327.238829][ T1064] Not tainted 5.3.0-rc5-next-20190823 #72 [ 1327.245064][ T1064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.253981][ T1064] syz-executor.2 D27840 9332 8769 0x00000004 [ 1327.260680][ T1064] Call Trace: [ 1327.263981][ T1064] __schedule+0x76e/0x17d0 [ 1327.268683][ T1064] ? __sched_text_start+0x8/0x8 [ 1327.273532][ T1064] ? lock_downgrade+0x920/0x920 [ 1327.278650][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1327.283599][ T1064] schedule+0xa8/0x270 [ 1327.288018][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1327.293475][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1327.298353][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1327.303030][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1327.308919][ T1064] ? __kasan_check_read+0x11/0x20 [ 1327.313942][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1327.319242][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1327.324371][ T1064] mutex_lock_nested+0x16/0x20 [ 1327.329397][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1327.334337][ T1064] genl_rcv_msg+0x13e/0x170 [ 1327.339114][ T1064] netlink_rcv_skb+0x177/0x450 [ 1327.343876][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1327.349427][ T1064] ? netlink_ack+0xb30/0xb30 [ 1327.354020][ T1064] ? __kasan_check_write+0x14/0x20 [ 1327.359452][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1327.364741][ T1064] genl_rcv+0x29/0x40 [ 1327.368997][ T1064] netlink_unicast+0x531/0x710 [ 1327.373767][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1327.379143][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1327.384520][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1327.390520][ T1064] ? __check_object_size+0x3d/0x437 [ 1327.395742][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1327.400773][ T1064] ? netlink_unicast+0x710/0x710 [ 1327.405718][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1327.411536][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1327.417245][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1327.423491][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1327.429236][ T1064] ? netlink_unicast+0x710/0x710 [ 1327.434175][ T1064] sock_sendmsg+0xd7/0x130 [ 1327.438873][ T1064] ___sys_sendmsg+0x803/0x920 [ 1327.443554][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1327.449298][ T1064] ? __kasan_check_read+0x11/0x20 [ 1327.454328][ T1064] ? __fget+0x384/0x560 [ 1327.458753][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1327.463176][ T1064] ? __fget_light+0x1a9/0x230 [ 1327.468122][ T1064] ? __fdget+0x1b/0x20 [ 1327.472193][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1327.479276][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1327.483873][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1327.489216][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1327.494673][ T1064] ? do_syscall_64+0x26/0x760 [ 1327.499702][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1327.505774][ T1064] ? do_syscall_64+0x26/0x760 [ 1327.510765][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1327.515539][ T1064] do_syscall_64+0xfa/0x760 [ 1327.521756][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1327.534053][ T1064] RIP: 0033:0x413681 [ 1327.556558][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1327.591239][ T1064] RSP: 002b:00007f10112659c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1327.599885][ T1064] RAX: ffffffffffffffda RBX: 00007f1011265a58 RCX: 0000000000413681 [ 1327.614071][ T1064] RDX: 0000000000000000 RSI: 00007f1011265a00 RDI: 0000000000000005 [ 1327.622286][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1327.636729][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f1011265a40 [ 1327.644703][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1327.659131][ T1064] INFO: task syz-executor.4:9328 can't die for more than 151 seconds. [ 1327.669450][ T1064] syz-executor.4 D28592 9328 8768 0x00004004 [ 1327.675789][ T1064] Call Trace: [ 1327.684742][ T1064] __schedule+0x76e/0x17d0 [ 1327.691379][ T1064] ? __sched_text_start+0x8/0x8 [ 1327.700413][ T1064] ? lock_downgrade+0x920/0x920 [ 1327.705267][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1327.712394][ T1064] schedule+0xa8/0x270 [ 1327.720693][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1327.728602][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1327.733198][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1327.742079][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1327.749802][ T1064] ? __kasan_check_read+0x11/0x20 [ 1327.754831][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1327.764068][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1327.771377][ T1064] mutex_lock_nested+0x16/0x20 [ 1327.780409][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1327.785351][ T1064] genl_rcv_msg+0x13e/0x170 [ 1327.792048][ T1064] netlink_rcv_skb+0x177/0x450 [ 1327.801011][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1327.809461][ T1064] ? netlink_ack+0xb30/0xb30 [ 1327.814061][ T1064] ? __kasan_check_write+0x14/0x20 [ 1327.823374][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1327.830833][ T1064] genl_rcv+0x29/0x40 [ 1327.834814][ T1064] netlink_unicast+0x531/0x710 [ 1327.843861][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1327.851220][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1327.860840][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1327.868741][ T1064] ? __check_object_size+0x3d/0x437 [ 1327.873946][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1327.885934][ T1064] ? netlink_unicast+0x710/0x710 [ 1327.890876][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1327.902136][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1327.907889][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1327.914151][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1327.926144][ T1064] ? netlink_unicast+0x710/0x710 [ 1327.931089][ T1064] sock_sendmsg+0xd7/0x130 [ 1327.935508][ T1064] ___sys_sendmsg+0x803/0x920 [ 1327.947536][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1327.953144][ T1064] ? __kasan_check_read+0x11/0x20 [ 1327.965943][ T1064] ? __fget+0x384/0x560 [ 1327.970120][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1327.974540][ T1064] ? __fget_light+0x1a9/0x230 [ 1327.985673][ T1064] ? __fdget+0x1b/0x20 [ 1327.990026][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1328.002627][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1328.007498][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1328.012528][ T1064] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 1328.024956][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1328.030782][ T1064] ? do_syscall_64+0x26/0x760 [ 1328.035457][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1328.049101][ T1064] ? do_syscall_64+0x26/0x760 [ 1328.053787][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1328.061965][ T1064] do_syscall_64+0xfa/0x760 [ 1328.069888][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1328.075776][ T1064] RIP: 0033:0x413681 [ 1328.083881][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1328.109988][ T1064] RSP: 002b:00007f6ef762e9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1328.121926][ T1064] RAX: ffffffffffffffda RBX: 00007f6ef762ea58 RCX: 0000000000413681 [ 1328.134193][ T1064] RDX: 0000000000000000 RSI: 00007f6ef762ea00 RDI: 0000000000000005 [ 1328.144501][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1328.158871][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6ef762ea40 [ 1328.170144][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1328.181466][ T1064] INFO: task syz-executor.4:9328 blocked for more than 151 seconds. [ 1328.192708][ T1064] Not tainted 5.3.0-rc5-next-20190823 #72 [ 1328.202228][ T1064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.215046][ T1064] syz-executor.4 D28592 9328 8768 0x00004004 [ 1328.224696][ T1064] Call Trace: [ 1328.231388][ T1064] __schedule+0x76e/0x17d0 [ 1328.235812][ T1064] ? __sched_text_start+0x8/0x8 [ 1328.244328][ T1064] ? lock_downgrade+0x920/0x920 [ 1328.252481][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1328.260813][ T1064] schedule+0xa8/0x270 [ 1328.264887][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1328.273757][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1328.281763][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1328.289831][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1328.295381][ T1064] ? __kasan_check_read+0x11/0x20 [ 1328.303748][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1328.312069][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1328.320592][ T1064] mutex_lock_nested+0x16/0x20 [ 1328.325355][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1328.333643][ T1064] genl_rcv_msg+0x13e/0x170 [ 1328.342452][ T1064] netlink_rcv_skb+0x177/0x450 [ 1328.350517][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1328.355805][ T1064] ? netlink_ack+0xb30/0xb30 [ 1328.363839][ T1064] ? __kasan_check_write+0x14/0x20 [ 1328.372269][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1328.380880][ T1064] genl_rcv+0x29/0x40 [ 1328.384864][ T1064] netlink_unicast+0x531/0x710 [ 1328.392949][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1328.401421][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1328.410101][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1328.419179][ T1064] ? __check_object_size+0x3d/0x437 [ 1328.424473][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1328.432596][ T1064] ? netlink_unicast+0x710/0x710 [ 1328.441691][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1328.450671][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1328.459465][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1328.465797][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1328.475488][ T1064] ? netlink_unicast+0x710/0x710 [ 1328.483837][ T1064] sock_sendmsg+0xd7/0x130 [ 1328.491789][ T1064] ___sys_sendmsg+0x803/0x920 [ 1328.499786][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1328.505763][ T1064] ? __kasan_check_read+0x11/0x20 [ 1328.519819][ T1064] ? __fget+0x384/0x560 [ 1328.540294][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1328.554641][ T1064] ? __fget_light+0x1a9/0x230 [ 1328.571777][ T1064] ? __fdget+0x1b/0x20 [ 1328.575995][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1328.582239][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1328.593035][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1328.603569][ T1064] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 1328.615914][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1328.621377][ T1064] ? do_syscall_64+0x26/0x760 [ 1328.632250][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1328.638577][ T1064] ? do_syscall_64+0x26/0x760 [ 1328.643262][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1328.654215][ T1064] do_syscall_64+0xfa/0x760 [ 1328.658876][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1328.664763][ T1064] RIP: 0033:0x413681 [ 1328.674926][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1328.700918][ T1064] RSP: 002b:00007f6ef762e9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1328.710521][ T1064] RAX: ffffffffffffffda RBX: 00007f6ef762ea58 RCX: 0000000000413681 [ 1328.724816][ T1064] RDX: 0000000000000000 RSI: 00007f6ef762ea00 RDI: 0000000000000005 [ 1328.734958][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1328.749533][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6ef762ea40 [ 1328.759936][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1328.772112][ T1064] INFO: task syz-executor.4:9336 can't die for more than 152 seconds. [ 1328.782513][ T1064] syz-executor.4 D27840 9336 8768 0x00000004 [ 1328.793060][ T1064] Call Trace: [ 1328.798609][ T1064] __schedule+0x76e/0x17d0 [ 1328.803033][ T1064] ? __sched_text_start+0x8/0x8 [ 1328.812090][ T1064] ? lock_downgrade+0x920/0x920 [ 1328.819098][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1328.824048][ T1064] schedule+0xa8/0x270 [ 1328.832309][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1328.839942][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1328.844534][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1328.853410][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1328.862041][ T1064] ? __kasan_check_read+0x11/0x20 [ 1328.871247][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1328.878430][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1328.883555][ T1064] ? kmem_cache_alloc+0x58e/0x710 [ 1328.892859][ T1064] mutex_lock_nested+0x16/0x20 [ 1328.899775][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1328.904709][ T1064] genl_rcv_msg+0x13e/0x170 [ 1328.913506][ T1064] netlink_rcv_skb+0x177/0x450 [ 1328.924887][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1328.934482][ T1064] ? netlink_ack+0xb30/0xb30 [ 1328.941255][ T1064] ? __kasan_check_write+0x14/0x20 [ 1328.950628][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1328.958147][ T1064] genl_rcv+0x29/0x40 [ 1328.962196][ T1064] netlink_unicast+0x531/0x710 [ 1328.971159][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1328.979293][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1328.984754][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1328.995558][ T1064] ? __check_object_size+0x3d/0x437 [ 1329.003160][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1329.012117][ T1064] ? netlink_unicast+0x710/0x710 [ 1329.019216][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1329.024766][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1329.034459][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1329.042860][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1329.052532][ T1064] ? netlink_unicast+0x710/0x710 [ 1329.059635][ T1064] sock_sendmsg+0xd7/0x130 [ 1329.064142][ T1064] ___sys_sendmsg+0x803/0x920 [ 1329.073035][ T1064] ? copy_msghdr_from_user+0x440/0x440 [ 1329.081791][ T1064] ? __kasan_check_read+0x11/0x20 [ 1329.091037][ T1064] ? __fget+0x384/0x560 [ 1329.095208][ T1064] ? ksys_dup3+0x3e0/0x3e0 [ 1329.101830][ T1064] ? __fget_light+0x1a9/0x230 [ 1329.110771][ T1064] ? __fdget+0x1b/0x20 [ 1329.114842][ T1064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1329.124142][ T1064] __sys_sendmsg+0x105/0x1d0 [ 1329.133011][ T1064] ? __sys_sendmsg_sock+0xd0/0xd0 [ 1329.140317][ T1064] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 1329.145773][ T1064] ? do_syscall_64+0x26/0x760 [ 1329.154643][ T1064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1329.163987][ T1064] ? do_syscall_64+0x26/0x760 [ 1329.172930][ T1064] __x64_sys_sendmsg+0x78/0xb0 [ 1329.179864][ T1064] do_syscall_64+0xfa/0x760 [ 1329.184378][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1329.194576][ T1064] RIP: 0033:0x413681 [ 1329.200626][ T1064] Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 [ 1329.226597][ T1064] RSP: 002b:00007f6ef760d9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 1329.235008][ T1064] RAX: ffffffffffffffda RBX: 00007f6ef760da58 RCX: 0000000000413681 [ 1329.250141][ T1064] RDX: 0000000000000000 RSI: 00007f6ef760da00 RDI: 0000000000000005 [ 1329.260542][ T1064] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 1329.272685][ T1064] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6ef760da40 [ 1329.282843][ T1064] R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff [ 1329.295043][ T1064] INFO: task syz-executor.4:9336 blocked for more than 153 seconds. [ 1329.305200][ T1064] Not tainted 5.3.0-rc5-next-20190823 #72 [ 1329.315639][ T1064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.330670][ T1064] syz-executor.4 D27840 9336 8768 0x00000004 [ 1329.338172][ T1064] Call Trace: [ 1329.341469][ T1064] __schedule+0x76e/0x17d0 [ 1329.351166][ T1064] ? __sched_text_start+0x8/0x8 [ 1329.357244][ T1064] ? lock_downgrade+0x920/0x920 [ 1329.362103][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 1329.372246][ T1064] schedule+0xa8/0x270 [ 1329.378378][ T1064] schedule_preempt_disabled+0x13/0x20 [ 1329.383834][ T1064] __mutex_lock+0x7b0/0x13c0 [ 1329.393710][ T1064] ? genl_rcv_msg+0x13e/0x170 [ 1329.399543][ T1064] ? mutex_lock_io_nested+0x1260/0x1260 [ 1329.405091][ T1064] ? __kasan_check_read+0x11/0x20 [ 1329.415404][ T1064] ? __lock_acquire+0x1703/0x4e70 [ 1329.421613][ T1064] ? __dev_queue_xmit+0xbb5/0x3650 [ 1329.431916][ T1064] ? kmem_cache_alloc+0x58e/0x710 [ 1329.438139][ T1064] mutex_lock_nested+0x16/0x20 [ 1329.442898][ T1064] ? mutex_lock_nested+0x16/0x20 [ 1329.453107][ T1064] genl_rcv_msg+0x13e/0x170 [ 1329.458796][ T1064] netlink_rcv_skb+0x177/0x450 [ 1329.465650][ T1064] ? genl_family_rcv_msg+0xf90/0xf90 [ 1329.477085][ T1064] ? netlink_ack+0xb30/0xb30 [ 1329.481683][ T1064] ? __kasan_check_write+0x14/0x20 [ 1329.490996][ T1064] ? netlink_deliver_tap+0x254/0xbf0 [ 1329.498483][ T1064] genl_rcv+0x29/0x40 [ 1329.503802][ T1064] netlink_unicast+0x531/0x710 [ 1329.532137][ T1064] ? netlink_attachskb+0x7c0/0x7c0 [ 1329.561423][ T1064] ? _copy_from_iter_full+0x25d/0x8a0 [ 1329.570107][ T1064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1329.575837][ T1064] ? __check_object_size+0x3d/0x437 [ 1329.584241][ T1064] netlink_sendmsg+0x8a5/0xd60 [ 1329.592177][ T1064] ? netlink_unicast+0x710/0x710 [ 1329.600287][ T1064] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 1329.605844][ T1064] ? apparmor_socket_sendmsg+0x2a/0x30 [ 1329.614574][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1329.623994][ T1064] ? security_socket_sendmsg+0x8d/0xc0 [ 1329.632719][ T1064] ? netlink_unicast+0x710/0x710 [ 1329.640834][ T1064] sock_sendmsg+0xd7/0x130