Starting mcstransd: [ 40.094127] audit: type=1800 audit(1556801204.997:32): pid=7495 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2450 res=0 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 40.790503] audit: type=1800 audit(1556801205.697:33): pid=7495 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 40.811768] audit: type=1800 audit(1556801205.697:34): pid=7495 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 44.145555] audit: type=1400 audit(1556801209.057:35): avc: denied { map } for pid=7667 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts. [ 124.812946] audit: type=1400 audit(1556801289.717:36): avc: denied { map } for pid=7679 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/05/02 12:48:10 parsed 1 programs [ 125.573035] audit: type=1400 audit(1556801290.477:37): avc: denied { map } for pid=7679 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=14575 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/05/02 12:48:12 executed programs: 0 [ 128.003519] IPVS: ftp: loaded support on port[0] = 21 [ 128.015194] IPVS: ftp: loaded support on port[0] = 21 [ 128.027443] IPVS: ftp: loaded support on port[0] = 21 [ 128.051314] IPVS: ftp: loaded support on port[0] = 21 [ 128.093776] IPVS: ftp: loaded support on port[0] = 21 [ 128.093796] IPVS: ftp: loaded support on port[0] = 21 [ 128.259722] chnl_net:caif_netlink_parms(): no params data found [ 128.316988] chnl_net:caif_netlink_parms(): no params data found [ 128.347004] chnl_net:caif_netlink_parms(): no params data found [ 128.368768] chnl_net:caif_netlink_parms(): no params data found [ 128.378031] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.384563] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.392320] device bridge_slave_0 entered promiscuous mode [ 128.399664] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.406119] bridge0: port 2(bridge_slave_1) entered disabled state [ 128.413046] device bridge_slave_1 entered promiscuous mode [ 128.437128] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 128.481543] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 128.521678] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.528248] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.535286] device bridge_slave_0 entered promiscuous mode [ 128.558806] chnl_net:caif_netlink_parms(): no params data found [ 128.566985] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.573449] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.582723] device bridge_slave_0 entered promiscuous mode [ 128.589173] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.597602] bridge0: port 2(bridge_slave_1) entered disabled state [ 128.604602] device bridge_slave_1 entered promiscuous mode [ 128.627236] chnl_net:caif_netlink_parms(): no params data found [ 128.639876] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.646565] bridge0: port 2(bridge_slave_1) entered disabled state [ 128.653540] device bridge_slave_1 entered promiscuous mode [ 128.660798] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 128.669542] team0: Port device team_slave_0 added [ 128.675727] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 128.687676] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 128.709642] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 128.717351] team0: Port device team_slave_1 added [ 128.725296] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 128.739153] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.746342] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.753336] device bridge_slave_0 entered promiscuous mode [ 128.760389] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.767049] bridge0: port 2(bridge_slave_1) entered disabled state [ 128.774004] device bridge_slave_1 entered promiscuous mode [ 128.793868] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 128.805042] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 128.812306] team0: Port device team_slave_0 added [ 128.821279] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 128.828638] team0: Port device team_slave_1 added [ 128.834549] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 128.846499] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.853391] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.860414] device bridge_slave_0 entered promiscuous mode [ 128.879444] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 128.887321] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 128.895233] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 128.902951] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.909614] bridge0: port 2(bridge_slave_1) entered disabled state [ 128.916768] device bridge_slave_1 entered promiscuous mode [ 128.927540] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.933904] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.941321] device bridge_slave_0 entered promiscuous mode [ 128.987043] device hsr_slave_0 entered promiscuous mode [ 129.045476] device hsr_slave_1 entered promiscuous mode [ 129.116114] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 129.123762] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 129.136588] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 129.159894] bridge0: port 2(bridge_slave_1) entered blocking state [ 129.166743] bridge0: port 2(bridge_slave_1) entered disabled state [ 129.173718] device bridge_slave_1 entered promiscuous mode [ 129.180027] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 129.196561] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 129.204422] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 129.212027] team0: Port device team_slave_0 added [ 129.220997] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 129.229019] team0: Port device team_slave_0 added [ 129.237824] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 129.244960] team0: Port device team_slave_1 added [ 129.307425] device hsr_slave_0 entered promiscuous mode [ 129.365702] device hsr_slave_1 entered promiscuous mode [ 129.406323] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 129.414318] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 129.421422] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 129.429204] team0: Port device team_slave_1 added [ 129.438036] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 129.445695] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 129.468792] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 129.476408] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 129.484896] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 129.547110] device hsr_slave_0 entered promiscuous mode [ 129.585563] device hsr_slave_1 entered promiscuous mode [ 129.629125] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 129.644249] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 129.657314] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 129.664508] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 129.671930] team0: Port device team_slave_0 added [ 129.727345] device hsr_slave_0 entered promiscuous mode [ 129.765446] device hsr_slave_1 entered promiscuous mode [ 129.851467] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 129.859687] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 129.867023] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 129.874332] team0: Port device team_slave_1 added [ 129.879992] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 129.887140] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 129.894364] team0: Port device team_slave_0 added [ 129.904261] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 129.915775] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 129.923423] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 129.930557] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 129.937969] team0: Port device team_slave_1 added [ 129.943899] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 130.008265] device hsr_slave_0 entered promiscuous mode [ 130.045454] device hsr_slave_1 entered promiscuous mode [ 130.105902] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 130.112992] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 130.121176] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 130.134330] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 130.154681] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 130.207069] device hsr_slave_0 entered promiscuous mode [ 130.245504] device hsr_slave_1 entered promiscuous mode [ 130.286144] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 130.293271] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 130.318333] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 130.350860] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 130.363358] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 130.417588] 8021q: adding VLAN 0 to HW filter on device bond0 [ 130.426248] 8021q: adding VLAN 0 to HW filter on device bond0 [ 130.434422] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 130.450551] 8021q: adding VLAN 0 to HW filter on device bond0 [ 130.459765] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 130.476432] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 130.483542] 8021q: adding VLAN 0 to HW filter on device team0 [ 130.492869] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 130.500897] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 130.509686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 130.518071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 130.531049] 8021q: adding VLAN 0 to HW filter on device bond0 [ 130.541767] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 130.551072] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 130.562371] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 130.570200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 130.578619] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 130.586702] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.593234] bridge0: port 1(bridge_slave_0) entered forwarding state [ 130.600363] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 130.608165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 130.615702] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 130.624637] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 130.636237] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 130.644337] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 130.650814] 8021q: adding VLAN 0 to HW filter on device team0 [ 130.660563] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 130.674526] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 130.681771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 130.690474] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 130.698394] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.704714] bridge0: port 2(bridge_slave_1) entered forwarding state [ 130.711882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 130.718736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 130.725725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 130.733409] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 130.741058] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.747450] bridge0: port 1(bridge_slave_0) entered forwarding state [ 130.754253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 130.762230] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 130.770161] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.776537] bridge0: port 2(bridge_slave_1) entered forwarding state [ 130.783675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 130.792256] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 130.798629] 8021q: adding VLAN 0 to HW filter on device team0 [ 130.809320] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 130.823719] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 130.833098] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 130.844238] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 130.852207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 130.859683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 130.866698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 130.874334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 130.882158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 130.890049] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 130.898216] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.904555] bridge0: port 1(bridge_slave_0) entered forwarding state [ 130.911613] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 130.921601] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 130.930564] 8021q: adding VLAN 0 to HW filter on device team0 [ 130.939523] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 130.948759] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 130.964523] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 130.971682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 130.980179] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 130.988135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 130.995827] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.002175] bridge0: port 2(bridge_slave_1) entered forwarding state [ 131.009689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 131.019311] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 131.033282] 8021q: adding VLAN 0 to HW filter on device bond0 [ 131.041290] 8021q: adding VLAN 0 to HW filter on device bond0 [ 131.050713] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 131.058944] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 131.068757] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 131.076500] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 131.084234] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 131.091955] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 131.099747] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 131.107957] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 131.115602] bridge0: port 1(bridge_slave_0) entered blocking state [ 131.121934] bridge0: port 1(bridge_slave_0) entered forwarding state [ 131.129081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 131.136947] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 131.144497] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 131.151818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 131.158980] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 131.169131] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 131.177923] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 131.184869] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 131.194621] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 131.204015] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 131.216957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 131.225749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 131.233425] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 131.241187] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.247582] bridge0: port 2(bridge_slave_1) entered forwarding state [ 131.254422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 131.262302] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 131.271743] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 131.282854] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 131.290053] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 131.300671] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 131.309341] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 131.317418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 131.325568] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 131.333111] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 131.341703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 131.348802] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 131.357022] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 131.364519] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 131.371479] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 131.378872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 131.387057] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 131.394429] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 131.403797] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 131.412334] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 131.421649] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 131.434343] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 131.441510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 131.450163] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 131.458553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 131.466705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 131.474136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 131.481841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 131.489467] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 131.497734] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 131.503792] 8021q: adding VLAN 0 to HW filter on device team0 [ 131.513427] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 131.519673] 8021q: adding VLAN 0 to HW filter on device team0 [ 131.527401] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 131.538398] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 131.545401] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 131.556557] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 131.562591] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 131.571243] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 131.579460] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 131.586729] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 131.594237] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 131.601888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 131.609599] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 131.617282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 131.624944] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 131.632604] bridge0: port 1(bridge_slave_0) entered blocking state [ 131.639136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 131.646920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 131.654969] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 131.663661] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 131.673322] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 131.688053] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 131.696216] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 131.706519] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 131.714242] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 131.725671] bridge0: port 1(bridge_slave_0) entered blocking state [ 131.732010] bridge0: port 1(bridge_slave_0) entered forwarding state [ 131.739180] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 131.746680] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 131.753980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 131.761820] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 131.771516] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 131.781120] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 131.787396] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 131.799703] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 131.807761] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 131.815041] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 131.822204] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 131.832355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 131.840255] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 131.848380] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.854716] bridge0: port 2(bridge_slave_1) entered forwarding state [ 131.862204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 131.869921] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 131.888387] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 131.898253] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 131.915051] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 131.922112] audit: type=1400 audit(1556801296.817:38): avc: denied { associate } for pid=7701 comm="syz-executor.2" name="syz2" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 131.949221] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 131.956171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 131.973400] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 131.981541] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.987927] bridge0: port 2(bridge_slave_1) entered forwarding state [ 131.995070] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 132.002869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 132.010638] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 132.018546] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 132.026207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 132.034719] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 132.044750] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 132.056370] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 132.063592] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 132.075653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 132.083411] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 132.097421] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 132.098294] audit: type=1400 audit(1556801297.007:39): avc: denied { create } for pid=7721 comm="syz-executor.2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 132.108795] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 132.145653] audit: type=1400 audit(1556801297.037:40): avc: denied { write } for pid=7721 comm="syz-executor.2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 132.172078] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 132.174145] audit: type=1400 audit(1556801297.047:41): avc: denied { read } for pid=7721 comm="syz-executor.2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 132.184468] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 132.223468] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 132.237764] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 132.247384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 132.262957] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 132.271145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 132.282880] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 132.299233] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 132.310125] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 132.329004] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 132.341046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 132.349428] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 132.360554] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 132.369097] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 132.394621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 132.419483] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 132.428333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 132.442633] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 132.458582] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 132.477742] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 132.514741] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 132.522473] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 132.538330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 132.547098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 132.555076] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 132.576473] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 132.598516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 132.644040] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 132.702208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 132.730996] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 132.754110] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 132.789386] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 132.801672] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 132.812738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 132.820811] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 132.837337] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 132.843390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 132.863469] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 132.891935] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/05/02 12:48:17 executed programs: 20 2019/05/02 12:48:22 executed programs: 259 [ 302.655310] INFO: task syz-executor.5:9568 blocked for more than 140 seconds. [ 302.662844] Not tainted 4.19.38 #6 [ 302.675960] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 302.683963] syz-executor.5 D28664 9568 7702 0x00000004 [ 302.701888] Call Trace: [ 302.704606] __schedule+0x813/0x1d00 [ 302.708689] ? __mutex_lock+0x721/0x1300 [ 302.712768] ? pci_mmcfg_check_reserved+0x170/0x170 [ 302.723840] ? kasan_check_read+0x11/0x20 [ 302.728302] schedule+0x92/0x1c0 [ 302.731692] schedule_preempt_disabled+0x13/0x20 [ 302.742922] __mutex_lock+0x726/0x1300 [ 302.747162] ? genl_rcv_msg+0x13e/0x16c [ 302.751153] ? mutex_trylock+0x1e0/0x1e0 [ 302.761215] ? __lock_acquire+0x6eb/0x48f0 [ 302.765778] ? __local_bh_enable_ip+0x15a/0x270 [ 302.770466] ? __dev_queue_xmit+0x892/0x3040 [ 302.774891] mutex_lock_nested+0x16/0x20 [ 302.784955] ? mutex_lock_nested+0x16/0x20 [ 302.789508] genl_rcv_msg+0x13e/0x16c [ 302.793323] netlink_rcv_skb+0x180/0x460 [ 302.803298] ? genl_family_rcv_msg+0xd40/0xd40 [ 302.808955] ? netlink_ack+0xb60/0xb60 [ 302.812869] genl_rcv+0x29/0x40 [ 302.822104] netlink_unicast+0x53c/0x720 [ 302.826915] ? netlink_attachskb+0x770/0x770 [ 302.831409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.843100] netlink_sendmsg+0x8ae/0xd70 [ 302.847435] ? netlink_unicast+0x720/0x720 [ 302.851762] ? selinux_socket_sendmsg+0x36/0x40 [ 302.862340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.868137] ? security_socket_sendmsg+0x93/0xc0 [ 302.872907] ? netlink_unicast+0x720/0x720 [ 302.883285] sock_sendmsg+0xdd/0x130 [ 302.887363] ___sys_sendmsg+0x806/0x930 [ 302.891348] ? copy_msghdr_from_user+0x430/0x430 [ 302.902052] ? lock_downgrade+0x810/0x810 [ 302.906478] ? kasan_check_read+0x11/0x20 [ 302.910705] ? __fget+0x367/0x540 [ 302.914257] ? iterate_fd+0x360/0x360 [ 302.924161] ? find_held_lock+0x35/0x130 [ 302.928486] ? __fd_install+0x1bc/0x640 [ 302.932473] ? __fget_light+0x1a9/0x230 [ 302.943141] ? __fdget+0x1b/0x20 [ 302.946796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.952400] __sys_sendmsg+0x105/0x1d0 [ 302.962278] ? __ia32_sys_shutdown+0x80/0x80 [ 302.966973] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 302.971736] ? do_syscall_64+0x26/0x610 [ 302.981630] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 302.987258] ? do_syscall_64+0x26/0x610 [ 302.991246] __x64_sys_sendmsg+0x78/0xb0 [ 303.001311] do_syscall_64+0x103/0x610 [ 303.005462] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 303.010686] RIP: 0033:0x412c81 [ 303.013881] Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 [ 303.038775] RSP: 002b:00007fd0c1ec79c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 303.048776] RAX: ffffffffffffffda RBX: 00007fd0c1ec7a58 RCX: 0000000000412c81 [ 303.063795] RDX: 0000000000000000 RSI: 00007fd0c1ec7a00 RDI: 0000000000000005 [ 303.074044] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 303.087285] R10: 0000000000000004 R11: 0000000000000293 R12: 00007fd0c1ec7a40 [ 303.094564] R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff [ 303.108089] INFO: task syz-executor.5:9569 blocked for more than 140 seconds. [ 303.118528] Not tainted 4.19.38 #6 [ 303.122586] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 303.133721] syz-executor.5 D28664 9569 7702 0x00000004 [ 303.142624] Call Trace: [ 303.148307] __schedule+0x813/0x1d00 [ 303.152025] ? __mutex_lock+0x721/0x1300 [ 303.159183] ? pci_mmcfg_check_reserved+0x170/0x170 [ 303.164309] ? kasan_check_read+0x11/0x20 [ 303.171731] schedule+0x92/0x1c0 [ 303.175126] schedule_preempt_disabled+0x13/0x20 [ 303.182996] __mutex_lock+0x726/0x1300 [ 303.189947] ? genl_rcv_msg+0x13e/0x16c [ 303.193935] ? mutex_trylock+0x1e0/0x1e0 [ 303.201961] ? __lock_acquire+0x6eb/0x48f0 [ 303.209331] ? __local_bh_enable_ip+0x15a/0x270 [ 303.214009] ? __dev_queue_xmit+0x892/0x3040 [ 303.222539] mutex_lock_nested+0x16/0x20 [ 303.239068] ? mutex_lock_nested+0x16/0x20 [ 303.243316] genl_rcv_msg+0x13e/0x16c [ 303.248353] netlink_rcv_skb+0x180/0x460 [ 303.252425] ? genl_family_rcv_msg+0xd40/0xd40 [ 303.261986] ? netlink_ack+0xb60/0xb60 [ 303.267192] genl_rcv+0x29/0x40 [ 303.270482] netlink_unicast+0x53c/0x720 [ 303.274548] ? netlink_attachskb+0x770/0x770 [ 303.284048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.290873] netlink_sendmsg+0x8ae/0xd70 [ 303.294947] ? netlink_unicast+0x720/0x720 [ 303.304129] ? selinux_socket_sendmsg+0x36/0x40 [ 303.310067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.320651] ? security_socket_sendmsg+0x93/0xc0 [ 303.327420] ? netlink_unicast+0x720/0x720 [ 303.331667] sock_sendmsg+0xdd/0x130 [ 303.340410] ___sys_sendmsg+0x806/0x930 [ 303.344399] ? copy_msghdr_from_user+0x430/0x430 [ 303.350389] ? lock_downgrade+0x810/0x810 [ 303.354556] ? kasan_check_read+0x11/0x20 [ 303.363744] ? __fget+0x367/0x540 [ 303.368510] ? iterate_fd+0x360/0x360 [ 303.372333] ? lock_downgrade+0x810/0x810 [ 303.382450] ? __fget_light+0x1a9/0x230 [ 303.387743] ? __fdget+0x1b/0x20 [ 303.391120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.401616] __sys_sendmsg+0x105/0x1d0 [ 303.406747] ? __ia32_sys_shutdown+0x80/0x80 [ 303.411179] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 303.420914] ? do_syscall_64+0x26/0x610 [ 303.424902] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 303.431488] ? do_syscall_64+0x26/0x610 [ 303.440477] __x64_sys_sendmsg+0x78/0xb0 [ 303.444556] do_syscall_64+0x103/0x610 [ 303.449711] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 303.462603] RIP: 0033:0x458da9 [ 303.467074] Code: Bad RIP value. [ 303.470448] RSP: 002b:00007fd0c1ea6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 303.483134] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 [ 303.491717] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 [ 303.504089] RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000 [ 303.512708] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd0c1ea76d4 [ 303.524968] R13: 00000000004cd190 R14: 00000000004daca0 R15: 00000000ffffffff [ 303.533507] INFO: task syz-executor.0:9572 blocked for more than 140 seconds. [ 303.545934] Not tainted 4.19.38 #6 [ 303.549996] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 303.562898] syz-executor.0 D28664 9572 7708 0x00000004 [ 303.569926] Call Trace: [ 303.572532] __schedule+0x813/0x1d00 [ 303.581281] ? __mutex_lock+0x721/0x1300 [ 303.587368] ? pci_mmcfg_check_reserved+0x170/0x170 [ 303.592395] ? kasan_check_read+0x11/0x20 [ 303.601585] schedule+0x92/0x1c0 [ 303.604979] schedule_preempt_disabled+0x13/0x20 [ 303.610958] __mutex_lock+0x726/0x1300 [ 303.614862] ? genl_rcv_msg+0x13e/0x16c [ 303.624161] ? mutex_trylock+0x1e0/0x1e0 [ 303.629436] ? __lock_acquire+0x6eb/0x48f0 [ 303.633683] ? __local_bh_enable_ip+0x15a/0x270 [ 303.643317] ? __dev_queue_xmit+0x892/0x3040 [ 303.648968] mutex_lock_nested+0x16/0x20 [ 303.653042] ? mutex_lock_nested+0x16/0x20 [ 303.662285] genl_rcv_msg+0x13e/0x16c [ 303.667313] netlink_rcv_skb+0x180/0x460 [ 303.671386] ? genl_family_rcv_msg+0xd40/0xd40 [ 303.680931] ? netlink_ack+0xb60/0xb60 [ 303.684848] genl_rcv+0x29/0x40 [ 303.689369] netlink_unicast+0x53c/0x720 [ 303.693444] ? netlink_attachskb+0x770/0x770 [ 303.702915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.709722] netlink_sendmsg+0x8ae/0xd70 [ 303.714495] ? netlink_unicast+0x720/0x720 [ 303.724768] ? selinux_socket_sendmsg+0x36/0x40 [ 303.730690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.741167] ? security_socket_sendmsg+0x93/0xc0 [ 303.747145] ? netlink_unicast+0x720/0x720 [ 303.751572] sock_sendmsg+0xdd/0x130 [ 303.760329] ___sys_sendmsg+0x806/0x930 [ 303.764318] ? copy_msghdr_from_user+0x430/0x430 [ 303.770393] ? lock_downgrade+0x810/0x810 [ 303.774557] ? kasan_check_read+0x11/0x20 [ 303.784782] ? __fget+0x367/0x540 [ 303.789481] ? iterate_fd+0x360/0x360 [ 303.793290] ? find_held_lock+0x35/0x130 [ 303.802445] ? __fd_install+0x1bc/0x640 [ 303.807664] ? __fget_light+0x1a9/0x230 [ 303.811648] ? __fdget+0x1b/0x20 [ 303.815017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.826628] __sys_sendmsg+0x105/0x1d0 [ 303.830536] ? __ia32_sys_shutdown+0x80/0x80 [ 303.834960] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 303.843907] ? do_syscall_64+0x26/0x610 [ 303.850846] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 303.860277] ? do_syscall_64+0x26/0x610 [ 303.864268] __x64_sys_sendmsg+0x78/0xb0 [ 303.870493] do_syscall_64+0x103/0x610 [ 303.874392] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 303.883606] RIP: 0033:0x412c81 [ 303.889015] Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 [ 303.914103] RSP: 002b:00007f9cebdbe9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 303.922093] RAX: ffffffffffffffda RBX: 00007f9cebdbea58 RCX: 0000000000412c81 [ 303.935357] RDX: 0000000000000000 RSI: 00007f9cebdbea00 RDI: 0000000000000005 [ 303.942638] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 303.954870] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9cebdbea40 [ 303.963380] R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff [ 303.977560] INFO: task syz-executor.0:9576 blocked for more than 140 seconds. [ 303.984943] Not tainted 4.19.38 #6 [ 303.993064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 304.003224] syz-executor.0 D27912 9576 7708 0x00000004 [ 304.013031] Call Trace: [ 304.017858] __schedule+0x813/0x1d00 [ 304.021594] ? __mutex_lock+0x721/0x1300 [ 304.029775] ? pci_mmcfg_check_reserved+0x170/0x170 [ 304.034806] ? kasan_check_read+0x11/0x20 [ 304.041120] schedule+0x92/0x1c0 [ 304.044496] schedule_preempt_disabled+0x13/0x20 [ 304.053276] __mutex_lock+0x726/0x1300 [ 304.059317] ? genl_rcv_msg+0x13e/0x16c [ 304.063306] ? mutex_trylock+0x1e0/0x1e0 [ 304.071385] ? __lock_acquire+0x6eb/0x48f0 [ 304.077766] ? __local_bh_enable_ip+0x15a/0x270 [ 304.082444] ? __dev_queue_xmit+0x892/0x3040 [ 304.090905] mutex_lock_nested+0x16/0x20 [ 304.094976] ? mutex_lock_nested+0x16/0x20 [ 304.104196] genl_rcv_msg+0x13e/0x16c [ 304.112850] netlink_rcv_skb+0x180/0x460 [ 304.119090] ? genl_family_rcv_msg+0xd40/0xd40 [ 304.123685] ? netlink_ack+0xb60/0xb60 [ 304.131699] genl_rcv+0x29/0x40 [ 304.134990] netlink_unicast+0x53c/0x720 [ 304.141293] ? netlink_attachskb+0x770/0x770 [ 304.149994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.157715] netlink_sendmsg+0x8ae/0xd70 [ 304.161816] ? netlink_unicast+0x720/0x720 [ 304.170197] ? selinux_socket_sendmsg+0x36/0x40 [ 304.174893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.182640] ? security_socket_sendmsg+0x93/0xc0 [ 304.191418] ? netlink_unicast+0x720/0x720 [ 304.197885] sock_sendmsg+0xdd/0x130 [ 304.201611] ___sys_sendmsg+0x806/0x930 [ 304.209701] ? copy_msghdr_from_user+0x430/0x430 [ 304.214506] ? lock_downgrade+0x810/0x810 [ 304.220869] ? kasan_check_read+0x11/0x20 [ 304.225032] ? __fget+0x367/0x540 [ 304.232803] ? iterate_fd+0x360/0x360 [ 304.239533] ? find_held_lock+0x35/0x130 [ 304.243615] ? __fd_install+0x1bc/0x640 [ 304.251699] ? __fget_light+0x1a9/0x230 [ 304.258745] ? __fdget+0x1b/0x20 [ 304.262123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.271772] __sys_sendmsg+0x105/0x1d0 [ 304.277812] ? __ia32_sys_shutdown+0x80/0x80 [ 304.282240] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.291041] ? do_syscall_64+0x26/0x610 [ 304.295035] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.304161] ? do_syscall_64+0x26/0x610 [ 304.312228] __x64_sys_sendmsg+0x78/0xb0 [ 304.318451] do_syscall_64+0x103/0x610 [ 304.322353] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.331582] RIP: 0033:0x412c81 [ 304.334786] Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 [ 304.360607] RSP: 002b:00007f9cebd9d9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 304.369380] RAX: ffffffffffffffda RBX: 00007f9cebd9da58 RCX: 0000000000412c81 [ 304.382515] RDX: 0000000000000000 RSI: 00007f9cebd9da00 RDI: 0000000000000005 [ 304.390068] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 304.403240] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9cebd9da40 [ 304.410874] R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff [ 304.425356] INFO: task syz-executor.1:9570 blocked for more than 140 seconds. [ 304.432641] Not tainted 4.19.38 #6 [ 304.442635] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 304.450827] syz-executor.1 D28664 9570 7707 0x00000004 [ 304.462413] Call Trace: [ 304.465922] __schedule+0x813/0x1d00 [ 304.469640] ? __mutex_lock+0x721/0x1300 [ 304.473708] ? pci_mmcfg_check_reserved+0x170/0x170 [ 304.484693] ? kasan_check_read+0x11/0x20 [ 304.489121] schedule+0x92/0x1c0 [ 304.492498] schedule_preempt_disabled+0x13/0x20 [ 304.504945] __mutex_lock+0x726/0x1300 [ 304.509103] ? genl_rcv_msg+0x13e/0x16c [ 304.513087] ? mutex_trylock+0x1e0/0x1e0 [ 304.523119] ? __lock_acquire+0x6eb/0x48f0 [ 304.527745] ? __local_bh_enable_ip+0x15a/0x270 [ 304.532423] ? __dev_queue_xmit+0x892/0x3040 [ 304.542754] mutex_lock_nested+0x16/0x20 [ 304.547075] ? mutex_lock_nested+0x16/0x20 [ 304.551316] genl_rcv_msg+0x13e/0x16c [ 304.555128] netlink_rcv_skb+0x180/0x460 [ 304.565097] ? genl_family_rcv_msg+0xd40/0xd40 [ 304.570015] ? netlink_ack+0xb60/0xb60 [ 304.573926] genl_rcv+0x29/0x40 [ 304.584799] netlink_unicast+0x53c/0x720 [ 304.590481] ? netlink_attachskb+0x770/0x770 [ 304.594916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.606500] netlink_sendmsg+0x8ae/0xd70 [ 304.610699] ? netlink_unicast+0x720/0x720 [ 304.614942] ? selinux_socket_sendmsg+0x36/0x40 [ 304.623702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.632611] ? security_socket_sendmsg+0x93/0xc0 [ 304.641489] ? netlink_unicast+0x720/0x720 [ 304.647929] sock_sendmsg+0xdd/0x130 [ 304.651658] ___sys_sendmsg+0x806/0x930 [ 304.661988] ? copy_msghdr_from_user+0x430/0x430 [ 304.668946] ? lock_downgrade+0x810/0x810 [ 304.673103] ? kasan_check_read+0x11/0x20 [ 304.681350] ? __fget+0x367/0x540 [ 304.684820] ? iterate_fd+0x360/0x360 [ 304.690816] ? find_held_lock+0x35/0x130 [ 304.694992] ? __fd_install+0x1bc/0x640 [ 304.702998] ? __fget_light+0x1a9/0x230 [ 304.709153] ? __fdget+0x1b/0x20 [ 304.712538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.722099] __sys_sendmsg+0x105/0x1d0 [ 304.728157] ? __ia32_sys_shutdown+0x80/0x80 [ 304.732590] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.741461] ? do_syscall_64+0x26/0x610 [ 304.747638] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.753009] ? do_syscall_64+0x26/0x610 [ 304.761794] __x64_sys_sendmsg+0x78/0xb0 [ 304.768026] do_syscall_64+0x103/0x610 [ 304.771927] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.781118] RIP: 0033:0x412c81 [ 304.784315] Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 [ 304.809347] RSP: 002b:00007f9a8654d9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 304.818630] RAX: ffffffffffffffda RBX: 00007f9a8654da58 RCX: 0000000000412c81 [ 304.830836] RDX: 0000000000000000 RSI: 00007f9a8654da00 RDI: 0000000000000005 [ 304.839553] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 304.852000] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9a8654da40 [ 304.860544] R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff [ 304.872920] INFO: task syz-executor.1:9577 blocked for more than 140 seconds. [ 304.881400] Not tainted 4.19.38 #6 [ 304.891235] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 304.910704] syz-executor.1 D27912 9577 7707 0x00000004 [ 304.916650] Call Trace: [ 304.919251] __schedule+0x813/0x1d00 [ 304.922964] ? __mutex_lock+0x721/0x1300 [ 304.933146] ? pci_mmcfg_check_reserved+0x170/0x170 [ 304.938428] ? kasan_check_read+0x11/0x20 [ 304.942589] schedule+0x92/0x1c0 [ 304.951843] schedule_preempt_disabled+0x13/0x20 [ 304.956846] __mutex_lock+0x726/0x1300 [ 304.960740] ? genl_rcv_msg+0x13e/0x16c [ 304.964716] ? mutex_trylock+0x1e0/0x1e0 [ 304.974683] ? __lock_acquire+0x6eb/0x48f0 [ 304.979177] ? __local_bh_enable_ip+0x15a/0x270 [ 304.983856] ? __dev_queue_xmit+0x892/0x3040 [ 304.994162] mutex_lock_nested+0x16/0x20 [ 304.998585] ? mutex_lock_nested+0x16/0x20 [ 305.002828] genl_rcv_msg+0x13e/0x16c [ 305.012526] netlink_rcv_skb+0x180/0x460 [ 305.017635] ? genl_family_rcv_msg+0xd40/0xd40 [ 305.022229] ? netlink_ack+0xb60/0xb60 [ 305.032144] genl_rcv+0x29/0x40 [ 305.035795] netlink_unicast+0x53c/0x720 [ 305.039868] ? netlink_attachskb+0x770/0x770 [ 305.044287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.057727] netlink_sendmsg+0x8ae/0xd70 [ 305.061813] ? netlink_unicast+0x720/0x720 [ 305.071074] ? selinux_socket_sendmsg+0x36/0x40 [ 305.076952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.082510] ? security_socket_sendmsg+0x93/0xc0 [ 305.092289] ? netlink_unicast+0x720/0x720 [ 305.097730] sock_sendmsg+0xdd/0x130 [ 305.101456] ___sys_sendmsg+0x806/0x930 [ 305.110447] ? copy_msghdr_from_user+0x430/0x430 [ 305.116431] ? lock_downgrade+0x810/0x810 [ 305.120588] ? kasan_check_read+0x11/0x20 [ 305.124742] ? __fget+0x367/0x540 [ 305.133196] ? iterate_fd+0x360/0x360 [ 305.141148] ? find_held_lock+0x35/0x130 [ 305.150954] ? __fd_install+0x1bc/0x640 [ 305.154944] ? __fget_light+0x1a9/0x230 [ 305.160135] ? __fdget+0x1b/0x20 [ 305.163538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.174044] __sys_sendmsg+0x105/0x1d0 [ 305.179149] ? __ia32_sys_shutdown+0x80/0x80 [ 305.183575] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 305.193370] ? do_syscall_64+0x26/0x610 [ 305.198571] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 305.203942] ? do_syscall_64+0x26/0x610 [ 305.212873] __x64_sys_sendmsg+0x78/0xb0 [ 305.219992] do_syscall_64+0x103/0x610 [ 305.223891] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 305.234047] RIP: 0033:0x412c81 [ 305.238446] Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 [ 305.263598] RSP: 002b:00007f9a8652c9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 305.271598] RAX: ffffffffffffffda RBX: 00007f9a8652ca58 RCX: 0000000000412c81 [ 305.285707] RDX: 0000000000000000 RSI: 00007f9a8652ca00 RDI: 0000000000000005 [ 305.292989] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 305.307732] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9a8652ca40 [ 305.315011] R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff [ 305.328426] INFO: task syz-executor.4:9573 blocked for more than 140 seconds. [ 305.337847] Not tainted 4.19.38 #6 [ 305.341909] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 305.353865] syz-executor.4 D28664 9573 7700 0x00000004 [ 305.361661] Call Trace: [ 305.364265] __schedule+0x813/0x1d00 [ 305.372073] ? __mutex_lock+0x721/0x1300 [ 305.378295] ? pci_mmcfg_check_reserved+0x170/0x170 [ 305.383323] ? kasan_check_read+0x11/0x20 [ 305.391549] schedule+0x92/0x1c0 [ 305.394931] schedule_preempt_disabled+0x13/0x20 [ 305.401871] __mutex_lock+0x726/0x1300 [ 305.409769] ? genl_rcv_msg+0x13e/0x16c [ 305.413755] ? mutex_trylock+0x1e0/0x1e0 [ 305.420774] ? __lock_acquire+0x6eb/0x48f0 [ 305.425018] ? __local_bh_enable_ip+0x15a/0x270 [ 305.433744] ? __dev_queue_xmit+0x892/0x3040 [ 305.440413] mutex_lock_nested+0x16/0x20 [ 305.444491] ? mutex_lock_nested+0x16/0x20 [ 305.452750] genl_rcv_msg+0x13e/0x16c [ 305.460374] netlink_rcv_skb+0x180/0x460 [ 305.464469] ? genl_family_rcv_msg+0xd40/0xd40 [ 305.473186] ? netlink_ack+0xb60/0xb60 [ 305.479309] genl_rcv+0x29/0x40 [ 305.482599] netlink_unicast+0x53c/0x720 [ 305.490751] ? netlink_attachskb+0x770/0x770 [ 305.497417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.502976] netlink_sendmsg+0x8ae/0xd70 [ 305.511074] ? netlink_unicast+0x720/0x720 [ 305.517499] ? selinux_socket_sendmsg+0x36/0x40 [ 305.522175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.531894] ? security_socket_sendmsg+0x93/0xc0 [ 305.539753] ? netlink_unicast+0x720/0x720 [ 305.543997] sock_sendmsg+0xdd/0x130 [ 305.552701] ___sys_sendmsg+0x806/0x930 [ 305.558816] ? copy_msghdr_from_user+0x430/0x430 [ 305.563583] ? lock_downgrade+0x810/0x810 [ 305.571887] ? kasan_check_read+0x11/0x20 [ 305.578194] ? __fget+0x367/0x540 [ 305.581662] ? iterate_fd+0x360/0x360 [ 305.589499] ? find_held_lock+0x35/0x130 [ 305.594185] ? __fd_install+0x1bc/0x640 [ 305.600502] ? __fget_light+0x1a9/0x230 [ 305.604486] ? __fdget+0x1b/0x20 [ 305.611871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.619611] __sys_sendmsg+0x105/0x1d0 [ 305.623506] ? __ia32_sys_shutdown+0x80/0x80 [ 305.631952] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 305.638857] ? do_syscall_64+0x26/0x610 [ 305.642926] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 305.652325] ? do_syscall_64+0x26/0x610 [ 305.658453] __x64_sys_sendmsg+0x78/0xb0 [ 305.662523] do_syscall_64+0x103/0x610 [ 305.670446] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 305.678566] RIP: 0033:0x412c81 [ 305.681768] Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 [ 305.707365] RSP: 002b:00007f73718f49c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 305.715092] RAX: ffffffffffffffda RBX: 00007f73718f4a58 RCX: 0000000000412c81 [ 305.728346] RDX: 0000000000000000 RSI: 00007f73718f4a00 RDI: 0000000000000005 [ 305.737849] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 305.749123] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f73718f4a40 [ 305.758617] R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff [ 305.769971] INFO: task syz-executor.4:9578 blocked for more than 140 seconds. [ 305.779371] Not tainted 4.19.38 #6 [ 305.783440] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 305.797311] syz-executor.4 D27912 9578 7700 0x00000004 [ 305.802957] Call Trace: [ 305.809444] __schedule+0x813/0x1d00 [ 305.813177] ? __mutex_lock+0x721/0x1300 [ 305.820349] ? pci_mmcfg_check_reserved+0x170/0x170 [ 305.828484] ? kasan_check_read+0x11/0x20 [ 305.832648] schedule+0x92/0x1c0 [ 305.839178] schedule_preempt_disabled+0x13/0x20 [ 305.843943] __mutex_lock+0x726/0x1300 [ 305.850921] ? genl_rcv_msg+0x13e/0x16c [ 305.854906] ? mutex_trylock+0x1e0/0x1e0 [ 305.862106] ? __lock_acquire+0x6eb/0x48f0 [ 305.869529] ? __local_bh_enable_ip+0x15a/0x270 [ 305.874210] ? __dev_queue_xmit+0x892/0x3040 [ 305.881737] mutex_lock_nested+0x16/0x20 [ 305.888872] ? mutex_lock_nested+0x16/0x20 [ 305.893116] genl_rcv_msg+0x13e/0x16c [ 305.900013] netlink_rcv_skb+0x180/0x460 [ 305.904081] ? genl_family_rcv_msg+0xd40/0xd40 [ 305.911842] ? netlink_ack+0xb60/0xb60 [ 305.918886] genl_rcv+0x29/0x40 [ 305.922182] netlink_unicast+0x53c/0x720 [ 305.929619] ? netlink_attachskb+0x770/0x770 [ 305.934045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.943495] netlink_sendmsg+0x8ae/0xd70 [ 305.950735] ? netlink_unicast+0x720/0x720 [ 305.954984] ? selinux_socket_sendmsg+0x36/0x40 [ 305.962829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.971722] ? security_socket_sendmsg+0x93/0xc0 [ 305.979639] ? netlink_unicast+0x720/0x720 [ 305.983888] sock_sendmsg+0xdd/0x130 [ 305.990694] ___sys_sendmsg+0x806/0x930 [ 305.994682] ? copy_msghdr_from_user+0x430/0x430 [ 306.002533] ? lock_downgrade+0x810/0x810 [ 306.009753] ? kasan_check_read+0x11/0x20 [ 306.013915] ? __fget+0x367/0x540 [ 306.020486] ? iterate_fd+0x360/0x360 [ 306.024294] ? find_held_lock+0x35/0x130 [ 306.031456] ? __fd_install+0x1bc/0x640 [ 306.038529] ? __fget_light+0x1a9/0x230 [ 306.042518] ? __fdget+0x1b/0x20 [ 306.048964] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.054512] __sys_sendmsg+0x105/0x1d0 [ 306.061684] ? __ia32_sys_shutdown+0x80/0x80 [ 306.070061] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.074828] ? do_syscall_64+0x26/0x610 [ 306.081896] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 306.090329] ? do_syscall_64+0x26/0x610 [ 306.094318] __x64_sys_sendmsg+0x78/0xb0 [ 306.101467] do_syscall_64+0x103/0x610 [ 306.108434] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 306.113627] RIP: 0033:0x412c81 [ 306.119896] Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 [ 306.144995] RSP: 002b:00007f73718d39c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 306.152974] RAX: ffffffffffffffda RBX: 00007f73718d3a58 RCX: 0000000000412c81 [ 306.166171] RDX: 0000000000000000 RSI: 00007f73718d3a00 RDI: 0000000000000005 [ 306.173638] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 306.189816] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f73718d3a40 [ 306.199094] R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff [ 306.211448] INFO: task syz-executor.3:9575 blocked for more than 140 seconds. [ 306.220523] Not tainted 4.19.38 #6 [ 306.224584] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 306.238467] syz-executor.3 D28664 9575 7705 0x00000004 [ 306.244111] Call Trace: [ 306.249017] __schedule+0x813/0x1d00 [ 306.252740] ? __mutex_lock+0x721/0x1300 [ 306.260920] ? pci_mmcfg_check_reserved+0x170/0x170 [ 306.268165] ? kasan_check_read+0x11/0x20 [ 306.272330] schedule+0x92/0x1c0 [ 306.279767] schedule_preempt_disabled+0x13/0x20 [ 306.284530] __mutex_lock+0x726/0x1300 [ 306.290821] ? genl_rcv_msg+0x13e/0x16c [ 306.294804] ? mutex_trylock+0x1e0/0x1e0 [ 306.304454] ? __lock_acquire+0x6eb/0x48f0 [ 306.311459] ? __local_bh_enable_ip+0x15a/0x270 [ 306.320119] ? __dev_queue_xmit+0x892/0x3040 [ 306.324548] mutex_lock_nested+0x16/0x20 [ 306.331544] ? mutex_lock_nested+0x16/0x20 [ 306.340741] genl_rcv_msg+0x13e/0x16c [ 306.344555] netlink_rcv_skb+0x180/0x460 [ 306.351181] ? genl_family_rcv_msg+0xd40/0xd40 [ 306.360205] ? netlink_ack+0xb60/0xb60 [ 306.364120] genl_rcv+0x29/0x40 [ 306.369577] netlink_unicast+0x53c/0x720 [ 306.373654] ? netlink_attachskb+0x770/0x770 [ 306.382095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.389795] netlink_sendmsg+0x8ae/0xd70 [ 306.393872] ? netlink_unicast+0x720/0x720 [ 306.402212] ? selinux_socket_sendmsg+0x36/0x40 [ 306.409199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.414751] ? security_socket_sendmsg+0x93/0xc0 [ 306.423650] ? netlink_unicast+0x720/0x720 [ 306.430051] sock_sendmsg+0xdd/0x130 [ 306.433777] ___sys_sendmsg+0x806/0x930 [ 306.441868] ? copy_msghdr_from_user+0x430/0x430 [ 306.448770] ? lock_downgrade+0x810/0x810 [ 306.452932] ? kasan_check_read+0x11/0x20 [ 306.461984] ? __fget+0x367/0x540 [ 306.468119] ? iterate_fd+0x360/0x360 [ 306.471928] ? find_held_lock+0x35/0x130 [ 306.480014] ? __fd_install+0x1bc/0x640 [ 306.484090] ? __fget_light+0x1a9/0x230 [ 306.490220] ? __fdget+0x1b/0x20 [ 306.493602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.504240] __sys_sendmsg+0x105/0x1d0 [ 306.510301] ? __ia32_sys_shutdown+0x80/0x80 [ 306.514728] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.523518] ? do_syscall_64+0x26/0x610 [ 306.529679] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 306.535047] ? do_syscall_64+0x26/0x610 [ 306.543129] __x64_sys_sendmsg+0x78/0xb0 [ 306.549388] do_syscall_64+0x103/0x610 [ 306.553385] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 306.562617] RIP: 0033:0x412c81 [ 306.568150] Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 [ 306.594976] RSP: 002b:00007f7fd0b959c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 306.603050] RAX: ffffffffffffffda RBX: 00007f7fd0b95a58 RCX: 0000000000412c81 [ 306.616398] RDX: 0000000000000000 RSI: 00007f7fd0b95a00 RDI: 0000000000000005 [ 306.624289] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 306.637653] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f7fd0b95a40 [ 306.644942] R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff [ 306.658494] INFO: task syz-executor.3:9579 blocked for more than 140 seconds. [ 306.667910] Not tainted 4.19.38 #6 [ 306.671968] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 306.683949] syz-executor.3 D27912 9579 7705 0x00000004 [ 306.691769] Call Trace: [ 306.694395] __schedule+0x813/0x1d00 [ 306.702154] ? __mutex_lock+0x721/0x1300 [ 306.708498] ? pci_mmcfg_check_reserved+0x170/0x170 [ 306.713530] ? kasan_check_read+0x11/0x20 [ 306.722528] schedule+0x92/0x1c0 [ 306.728047] schedule_preempt_disabled+0x13/0x20 [ 306.732898] __mutex_lock+0x726/0x1300 [ 306.740856] ? genl_rcv_msg+0x13e/0x16c [ 306.744853] ? mutex_trylock+0x1e0/0x1e0 [ 306.751074] ? __lock_acquire+0x6eb/0x48f0 [ 306.759371] ? __local_bh_enable_ip+0x15a/0x270 [ 306.764055] ? __dev_queue_xmit+0x892/0x3040 [ 306.770642] mutex_lock_nested+0x16/0x20 [ 306.774710] ? mutex_lock_nested+0x16/0x20 [ 306.783015] genl_rcv_msg+0x13e/0x16c [ 306.789182] netlink_rcv_skb+0x180/0x460 [ 306.793262] ? genl_family_rcv_msg+0xd40/0xd40 [ 306.802130] ? netlink_ack+0xb60/0xb60 [ 306.808177] genl_rcv+0x29/0x40 [ 306.811469] netlink_unicast+0x53c/0x720 [ 306.819609] ? netlink_attachskb+0x770/0x770 [ 306.824034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.831822] netlink_sendmsg+0x8ae/0xd70 [ 306.839928] ? netlink_unicast+0x720/0x720 [ 306.844184] ? selinux_socket_sendmsg+0x36/0x40 [ 306.851823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.861536] ? security_socket_sendmsg+0x93/0xc0 [ 306.868447] ? netlink_unicast+0x720/0x720 [ 306.872703] sock_sendmsg+0xdd/0x130 [ 306.880557] ___sys_sendmsg+0x806/0x930 [ 306.884549] ? copy_msghdr_from_user+0x430/0x430 [ 306.891491] ? lock_downgrade+0x810/0x810 [ 306.900091] ? kasan_check_read+0x11/0x20 [ 306.904261] ? __fget+0x367/0x540 [ 306.909898] ? iterate_fd+0x360/0x360 [ 306.913708] ? find_held_lock+0x35/0x130 [ 306.921887] ? __fd_install+0x1bc/0x640 [ 306.928026] ? __fget_light+0x1a9/0x230 [ 306.932013] ? __fdget+0x1b/0x20 [ 306.939630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.947361] __sys_sendmsg+0x105/0x1d0 [ 306.951258] ? __ia32_sys_shutdown+0x80/0x80 [ 306.959733] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.964498] ? do_syscall_64+0x26/0x610 [ 306.970738] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 306.980975] ? do_syscall_64+0x26/0x610 [ 306.984966] __x64_sys_sendmsg+0x78/0xb0 [ 306.991198] do_syscall_64+0x103/0x610 [ 306.995105] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 307.004375] RIP: 0033:0x412c81 [ 307.009791] Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 [ 307.034858] RSP: 002b:00007f7fd0b749c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 307.042834] RAX: ffffffffffffffda RBX: 00007f7fd0b74a58 RCX: 0000000000412c81 [ 307.056142] RDX: 0000000000000000 RSI: 00007f7fd0b74a00 RDI: 0000000000000005 [ 307.063422] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 307.076889] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f7fd0b74a40 [ 307.094097] R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff [ 307.103634] [ 307.103634] Showing all locks held in the system: [ 307.114799] 1 lock held by khungtaskd/1034: [ 307.121302] #0: 00000000c49fb03e (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 307.134066] 1 lock held by rsyslogd/7533: [ 307.140465] #0: 00000000195c4039 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 307.152433] 2 locks held by getty/7656: [ 307.158572] #0: 000000002dbb6de9 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 307.170874] #1: 00000000235ad456 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 307.181970] 2 locks held by getty/7657: [ 307.189923] #0: 00000000a7d86b43 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 307.200337] #1: 0000000020f393a4 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 307.213230] 2 locks held by getty/7658: [ 307.222962] #0: 000000006d9d7303 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 307.238133] #1: 000000003a44fb7d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 307.251194] 2 locks held by getty/7659: [ 307.257312] #0: 00000000ac087619 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 307.269653] #1: 000000007bd7f887 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 307.280683] 2 locks held by getty/7660: [ 307.284827] #0: 000000007df042a0 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 307.298990] #1: 00000000274cbfbd (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 307.308947] 2 locks held by getty/7661: [ 307.312924] #0: 00000000c84c02c3 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 307.326997] #1: 00000000fd95c24f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 307.339782] 2 locks held by getty/7662: [ 307.343773] #0: 000000000399f97d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 307.354153] #1: 000000000b7a45a1 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 307.365230] 2 locks held by syz-executor.5/9568: [ 307.370000] #0: 00000000207029dd (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 307.377307] #1: 00000000ac421525 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 307.385061] 2 locks held by syz-executor.5/9569: [ 307.390121] #0: 00000000207029dd (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 307.397359] #1: 00000000ac421525 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 307.405113] 3 locks held by syz-executor.2/9562: [ 307.410152] 2 locks held by syz-executor.0/9572: [ 307.414897] #0: 00000000207029dd (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 307.422333] #1: 00000000ac421525 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 307.430339] 2 locks held by syz-executor.0/9576: [ 307.435093] #0: 00000000207029dd (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 307.442536] #1: 00000000ac421525 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 307.450592] 2 locks held by syz-executor.1/9570: [ 307.455661] #0: 00000000207029dd (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 307.462634] #1: 00000000ac421525 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 307.470722] 2 locks held by syz-executor.1/9577: [ 307.475734] #0: 00000000207029dd (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 307.482706] #1: 00000000ac421525 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 307.490738] 2 locks held by syz-executor.4/9573: [ 307.495736] #0: 00000000207029dd (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 307.502703] #1: 00000000ac421525 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 307.520877] 2 locks held by syz-executor.4/9578: [ 307.525932] #0: 00000000207029dd (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 307.532911] #1: 00000000ac421525 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 307.547641] 2 locks held by syz-executor.3/9575: [ 307.552411] #0: 00000000207029dd (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 307.562498] #1: 00000000ac421525 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 307.573354] 2 locks held by syz-executor.3/9579: [ 307.581170] #0: 00000000207029dd (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 307.591332] #1: 00000000ac421525 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 307.602159] [ 307.603789] ============================================= [ 307.603789] [ 307.613985] NMI backtrace for cpu 0 [ 307.617717] CPU: 0 PID: 1034 Comm: khungtaskd Not tainted 4.19.38 #6 [ 307.624205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.633554] Call Trace: [ 307.636142] dump_stack+0x172/0x1f0 [ 307.639775] nmi_cpu_backtrace.cold+0x63/0xa4 [ 307.644361] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 307.649302] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 307.654583] arch_trigger_cpumask_backtrace+0x14/0x20 [ 307.659772] watchdog+0x9df/0xee0 [ 307.663277] kthread+0x357/0x430 [ 307.666649] ? reset_hung_task_detector+0x30/0x30 [ 307.671494] ? kthread_delayed_work_timer_fn+0x290/0x290 [ 307.676948] ret_from_fork+0x3a/0x50 [ 307.680763] Sending NMI from CPU 0 to CPUs 1: [ 307.686518] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.045 msecs [ 307.687307] NMI backtrace for cpu 1 [ 307.687313] CPU: 1 PID: 9562 Comm: syz-executor.2 Not tainted 4.19.38 #6 [ 307.687320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.687324] RIP: 0010:genl_family_attrbuf+0x44/0x120 [ 307.687336] Code: fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 c3 00 00 00 44 0f b6 63 21 31 ff 44 89 e6 67 ea d8 fb 45 84 e4 0f 85 a2 00 00 00 e8 19 e9 d8 fb 48 c7 c0 [ 307.687341] RSP: 0018:ffff8880a5fcedd8 EFLAGS: 00000246 [ 307.687350] RAX: 0000000000000000 RBX: ffffffff8845b780 RCX: ffffffff86b6d4c6 [ 307.687355] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 [ 307.687360] RBP: ffff8880a5fcede8 R08: ffff8880a5dd2140 R09: 0000000000000002 [ 307.687366] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000 [ 307.687371] R13: ffff8880a5fceed8 R14: 000000000000000a R15: ffff888089db5080 [ 307.687377] FS: 00007fa38df9d700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 307.687382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 307.687387] CR2: ffffffffff600400 CR3: 0000000097a3a000 CR4: 00000000001406e0 [ 307.687393] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 307.687398] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 307.687401] Call Trace: [ 307.687405] tipc_nlmsg_parse+0x29/0x100 [ 307.687409] tipc_nl_publ_dump+0x86c/0xd75 [ 307.687413] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.687416] ? retint_kernel+0x2d/0x2d [ 307.687420] ? trace_hardirqs_on_caller+0x6a/0x220 [ 307.687424] ? tipc_nl_sk_dump+0x30/0x30 [ 307.687429] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.687433] ? tipc_nl_sk_dump+0x30/0x30 [ 307.687437] ? __tipc_nl_compat_dumpit.isra.0+0x5a8/0x960 [ 307.687441] __tipc_nl_compat_dumpit.isra.0+0x220/0x960 [ 307.687445] ? kasan_unpoison_shadow+0x35/0x50 [ 307.687449] ? kasan_kmalloc+0xce/0xf0 [ 307.687453] ? __tipc_add_link_prop.isra.0+0x210/0x210 [ 307.687458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.687462] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 307.687465] ? __nla_put+0x37/0x40 [ 307.687469] ? nla_put+0x116/0x150 [ 307.687473] tipc_nl_compat_sk_dump+0x6c2/0x950 [ 307.687477] ? __tipc_nl_compat_dumpit.isra.0+0x960/0x960 [ 307.687481] ? rhashtable_walk_stop+0x14c/0x370 [ 307.687486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.687489] ? tipc_nl_sk_dump+0x30/0x30 [ 307.687493] ? tipc_tlv_sprintf+0x300/0x300 [ 307.687497] ? lock_downgrade+0x810/0x810 [ 307.687501] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 307.687506] __tipc_nl_compat_dumpit.isra.0+0x32c/0x960 [ 307.687510] ? __tipc_add_link_prop.isra.0+0x210/0x210 [ 307.687514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.687519] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 307.687522] ? skb_put+0x183/0x1e0 [ 307.687526] tipc_nl_compat_dumpit+0x209/0x4d0 [ 307.687530] tipc_nl_compat_recv+0x34f/0xb40 [ 307.687534] ? tipc_nl_compat_doit+0x5a0/0x5a0 [ 307.687538] ? __lock_is_held+0xb6/0x140 [ 307.687542] ? tipc_dump_start+0x90/0x90 [ 307.687546] ? __tipc_nl_compat_dumpit.isra.0+0x960/0x960 [ 307.687550] genl_family_rcv_msg+0x6e3/0xd40 [ 307.687554] ? genl_unregister_family+0x790/0x790 [ 307.687558] ? __local_bh_enable_ip+0x15a/0x270 [ 307.687562] ? __dev_queue_xmit+0x892/0x3040 [ 307.687566] genl_rcv_msg+0xca/0x16c [ 307.687569] netlink_rcv_skb+0x180/0x460 [ 307.687574] ? genl_family_rcv_msg+0xd40/0xd40 [ 307.687578] ? netlink_ack+0xb60/0xb60 [ 307.687581] genl_rcv+0x29/0x40 [ 307.687584] netlink_unicast+0x53c/0x720 [ 307.687589] ? netlink_attachskb+0x770/0x770 [ 307.687593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.687597] netlink_sendmsg+0x8ae/0xd70 [ 307.687600] ? netlink_unicast+0x720/0x720 [ 307.687604] ? selinux_socket_sendmsg+0x36/0x40 [ 307.687609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.687613] ? security_socket_sendmsg+0x93/0xc0 [ 307.687617] ? netlink_unicast+0x720/0x720 [ 307.687620] sock_sendmsg+0xdd/0x130 [ 307.687624] ___sys_sendmsg+0x806/0x930 [ 307.687628] ? copy_msghdr_from_user+0x430/0x430 [ 307.687632] ? lock_downgrade+0x810/0x810 [ 307.687636] ? kasan_check_read+0x11/0x20 [ 307.687640] ? __fget+0x367/0x540 [ 307.687643] ? iterate_fd+0x360/0x360 [ 307.687647] ? lock_downgrade+0x810/0x810 [ 307.687651] ? __fget_light+0x1a9/0x230 [ 307.687654] ? __fdget+0x1b/0x20 [ 307.687659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.687662] __sys_sendmsg+0x105/0x1d0 [ 307.687666] ? __ia32_sys_shutdown+0x80/0x80 [ 307.687670] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.687674] ? do_syscall_64+0x26/0x610 [ 307.687678] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 307.687682] ? do_syscall_64+0x26/0x610 [ 307.687686] __x64_sys_sendmsg+0x78/0xb0 [ 307.687689] do_syscall_64+0x103/0x610 [ 307.687694] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 307.687697] RIP: 0033:0x458da9 [ 307.687709] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 307.687713] RSP: 002b:00007fa38df9cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 307.687722] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 [ 307.687727] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 [ 307.687733] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 307.687738] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa38df9d6d4 [ 307.687743] R13: 00000000004cd190 R14: 00000000004daca0 R15: 00000000ffffffff [ 307.698668] Kernel panic - not syncing: hung_task: blocked tasks [ 308.221553] CPU: 0 PID: 1034 Comm: khungtaskd Not tainted 4.19.38 #6 [ 308.228043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.241242] Call Trace: [ 308.243833] dump_stack+0x172/0x1f0 [ 308.247620] panic+0x263/0x51d [ 308.250902] ? __warn_printk+0xf3/0xf3 [ 308.254793] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 308.259726] ? ___preempt_schedule+0x16/0x18 [ 308.264139] ? nmi_trigger_cpumask_backtrace+0x165/0x1f8 [ 308.269589] ? nmi_trigger_cpumask_backtrace+0x1c1/0x1f8 [ 308.275038] ? nmi_trigger_cpumask_backtrace+0x1cb/0x1f8 [ 308.280492] ? nmi_trigger_cpumask_backtrace+0x165/0x1f8 [ 308.285946] watchdog+0x9f0/0xee0 [ 308.289409] kthread+0x357/0x430 [ 308.292775] ? reset_hung_task_detector+0x30/0x30 [ 308.299164] ? kthread_delayed_work_timer_fn+0x290/0x290 [ 308.304620] ret_from_fork+0x3a/0x50 [ 308.309883] Kernel Offset: disabled [ 308.313517] Rebooting in 86400 seconds..