[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 35.371131] audit: type=1400 audit(1592042745.432:8): avc: denied { execmem } for pid=6125 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 35.392588] IPVS: ftp: loaded support on port[0] = 21 [ 35.825410] can: request_module (can-proto-0) failed. [ 36.772590] can: request_module (can-proto-0) failed. [ 36.797621] audit: type=1400 audit(1592042746.863:9): avc: denied { create } for pid=6103 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.10.31' (ECDSA) to the list of known hosts. 2020/06/13 10:05:54 parsed 1 programs 2020/06/13 10:05:55 executed programs: 0 [ 45.434521] audit: type=1400 audit(1592042755.506:10): avc: denied { execmem } for pid=6243 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 45.459756] IPVS: ftp: loaded support on port[0] = 21 [ 45.484221] IPVS: ftp: loaded support on port[0] = 21 [ 45.505293] IPVS: ftp: loaded support on port[0] = 21 [ 45.567422] IPVS: ftp: loaded support on port[0] = 21 [ 45.569783] IPVS: ftp: loaded support on port[0] = 21 [ 45.576252] IPVS: ftp: loaded support on port[0] = 21 [ 45.689034] chnl_net:caif_netlink_parms(): no params data found [ 45.804395] chnl_net:caif_netlink_parms(): no params data found [ 45.831177] chnl_net:caif_netlink_parms(): no params data found [ 45.884396] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.890798] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.899671] device bridge_slave_0 entered promiscuous mode [ 45.911253] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.918408] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.925697] device bridge_slave_1 entered promiscuous mode [ 45.978268] chnl_net:caif_netlink_parms(): no params data found [ 46.028861] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.035755] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.044238] device bridge_slave_0 entered promiscuous mode [ 46.051574] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.067865] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.074379] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.081126] device bridge_slave_0 entered promiscuous mode [ 46.108728] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.115236] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.121977] device bridge_slave_1 entered promiscuous mode [ 46.129515] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.144691] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.151046] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.158374] device bridge_slave_1 entered promiscuous mode [ 46.171148] chnl_net:caif_netlink_parms(): no params data found [ 46.196217] chnl_net:caif_netlink_parms(): no params data found [ 46.213074] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.220369] team0: Port device team_slave_0 added [ 46.227982] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.236373] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.243747] team0: Port device team_slave_1 added [ 46.252132] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.270313] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.285346] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.296251] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.325504] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.334408] team0: Port device team_slave_0 added [ 46.340132] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.357933] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.364995] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.371858] device bridge_slave_0 entered promiscuous mode [ 46.434303] device hsr_slave_0 entered promiscuous mode [ 46.462693] device hsr_slave_1 entered promiscuous mode [ 46.502782] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.509914] team0: Port device team_slave_1 added [ 46.524598] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.530938] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.538753] device bridge_slave_1 entered promiscuous mode [ 46.551592] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.558933] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.566327] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.574360] team0: Port device team_slave_0 added [ 46.582916] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.589249] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.597871] device bridge_slave_0 entered promiscuous mode [ 46.607722] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.614222] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.621103] device bridge_slave_1 entered promiscuous mode [ 46.627401] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 46.634543] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.645492] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.653540] team0: Port device team_slave_1 added [ 46.662945] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.671580] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.735950] device hsr_slave_0 entered promiscuous mode [ 46.772798] device hsr_slave_1 entered promiscuous mode [ 46.812766] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.819950] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.827123] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.833918] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.840784] device bridge_slave_0 entered promiscuous mode [ 46.850560] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.857208] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.864349] device bridge_slave_1 entered promiscuous mode [ 46.874833] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.883902] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.898687] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.905844] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 46.936827] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.943824] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.950901] team0: Port device team_slave_0 added [ 46.957006] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.964743] team0: Port device team_slave_1 added [ 46.970498] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.985589] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.992965] team0: Port device team_slave_0 added [ 47.001416] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 47.010224] team0: Port device team_slave_1 added [ 47.015943] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.023833] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.031290] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.040678] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.084060] device hsr_slave_0 entered promiscuous mode [ 47.122798] device hsr_slave_1 entered promiscuous mode [ 47.163802] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.170767] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.196399] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.244015] device hsr_slave_0 entered promiscuous mode [ 47.282699] device hsr_slave_1 entered promiscuous mode [ 47.322842] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.329743] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 47.337447] team0: Port device team_slave_0 added [ 47.384498] device hsr_slave_0 entered promiscuous mode [ 47.432329] device hsr_slave_1 entered promiscuous mode [ 47.473000] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.479983] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.492444] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.499454] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 47.509319] team0: Port device team_slave_1 added [ 47.514593] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.522929] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.539365] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.546638] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.596304] device hsr_slave_0 entered promiscuous mode [ 47.662478] device hsr_slave_1 entered promiscuous mode [ 47.712664] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.719800] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.740498] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.752813] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.773339] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.781579] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.798631] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.807492] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 47.828658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.837592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.849585] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 47.856952] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.866246] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.882288] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.890429] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.899253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.907401] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.915448] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.922129] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.933116] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.942798] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 47.951382] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 47.957541] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.965678] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.975415] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.983326] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.990293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.998368] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.005987] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.012381] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.019913] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.028657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.035636] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.043430] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.050916] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.057287] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.064188] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.078042] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.090991] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.098687] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.107446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.115285] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.123554] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.131032] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.137590] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.148769] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.157196] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.165405] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.173781] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.182806] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.193847] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.201474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.213792] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 48.221018] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.237380] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.246637] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.254809] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 48.261082] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.270892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.277939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.286402] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.294348] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.301753] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.309114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.316790] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.325808] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.334770] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 48.343785] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.352349] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.358401] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.366490] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.373201] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.379357] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.387669] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.395711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.402924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.409969] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.418759] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.429261] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.435908] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.445500] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.453843] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.461451] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.469666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.478034] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.485982] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.492359] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.499337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.507361] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.516234] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.525346] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.533973] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.542563] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.551270] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.559584] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.568667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.577587] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.583998] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.590731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.598571] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.606210] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.612597] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.619878] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.627791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.635361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.643181] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.650648] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.657025] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.663888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.671434] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.678503] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.687737] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.697143] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 48.706246] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 48.716748] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.725231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.733571] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.741023] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.747390] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.754299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.761683] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.769398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.776911] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.784547] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.794198] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.803373] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.811872] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 48.822892] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 48.830273] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.838418] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.846714] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.854779] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.861117] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.868437] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.877000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.885384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.892935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.900500] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.909753] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.917452] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.925770] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 48.935154] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 48.941154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.949462] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.957155] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.966752] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.976362] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 48.982488] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.989493] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.996701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.003981] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.010713] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.018482] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.026257] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.036016] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 49.042624] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.050308] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.058339] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.069101] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 49.078836] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.089293] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.097244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.105906] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.113583] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.121140] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.129006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.136559] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.144018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.151922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.159333] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.167065] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.175765] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.182763] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.191159] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 49.205395] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.214146] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 49.221357] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.230331] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.238361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.246924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.254914] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.261318] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.269622] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.279703] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.288545] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.295746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.303503] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.313145] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.319171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.328353] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 49.337661] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.347060] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.355414] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 49.366061] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 49.373819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.381258] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.388932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.396441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.404121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.411464] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.421009] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 49.434892] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 49.443978] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.450777] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.464149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.472214] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.480390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.494231] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.507234] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.513663] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.523117] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.529245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.546157] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.554594] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.564940] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.578874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.592097] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.601323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.613041] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.621074] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.629729] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.640702] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.658279] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.664879] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.675630] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.686224] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.699196] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.710505] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.730652] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.748583] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 49.769452] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 49.777418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.785089] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.793341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.801281] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.812570] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.818946] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.837361] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.848166] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.294241] sched: DL replenish lagged too much [ 50.298882] ------------[ cut here ]------------ [ 50.308628] WARNING: CPU: 0 PID: 7149 at kernel/sched/deadline.c:660 enqueue_task_dl.cold.62+0x1c/0x1ea [ 50.318136] Kernel panic - not syncing: panic_on_warn set ... [ 50.318136] [ 50.325472] CPU: 0 PID: 7149 Comm: syz-executor.3 Not tainted 4.19.128-syzkaller #0 [ 50.333234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.342557] Call Trace: [ 50.345127] dump_stack+0x123/0x177 [ 50.348736] ? enqueue_task_dl.cold.62+0x1c/0x1ea [ 50.353545] panic+0x1cd/0x375 [ 50.356817] ? __warn_printk+0xd6/0xd6 [ 50.360673] ? up+0x68/0xe0 [ 50.363585] __warn.cold.8+0x1b/0x3e [ 50.367266] ? enqueue_task_dl.cold.62+0x1c/0x1ea [ 50.372077] report_bug+0x1a4/0x200 [ 50.375685] do_error_trap+0x200/0x350 [ 50.379551] ? math_error+0x340/0x340 [ 50.383329] ? __irq_work_queue_local+0xe0/0x120 [ 50.388053] ? irq_work_queue+0x34/0x50 [ 50.391995] ? wake_up_klogd+0x71/0xa0 [ 50.395849] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.400670] ? trace_hardirqs_off_caller+0x49/0x180 [ 50.405655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.410466] do_invalid_op+0x1b/0x20 [ 50.415293] invalid_op+0x14/0x20 [ 50.418713] RIP: 0010:enqueue_task_dl.cold.62+0x1c/0x1ea [ 50.424927] Code: 0b 48 8b 4d 88 4c 8b 45 80 e9 33 33 ff ff 48 c7 c7 80 ab ea 86 48 89 55 b0 4c 89 4d b8 4c 89 45 c0 48 89 4d d0 e8 25 25 05 00 <0f> 0b 4c 8b 4d b8 b8 ff ff 37 00 48 c1 e0 2a 48 8b 4d d0 4c 8b 45 [ 50.443798] RSP: 0018:ffff88809752fcf0 EFLAGS: 00010086 [ 50.449148] RAX: 0000000000000024 RBX: ffff8880861d8640 RCX: 0000000000000000 [ 50.456386] RDX: 0000000000000000 RSI: ffffffff871f2c00 RDI: ffffffff89c8b6a0 [ 50.463624] RBP: ffff88809752fd68 R08: ffffed1015d45079 R09: ffffed1015d45078 [ 50.470864] R10: ffffed1015d45078 R11: ffff8880aea283c7 R12: ffff8880861d890c [ 50.478103] R13: ffffffff884ed460 R14: ffff8880aea2c240 R15: 0000000000000000 [ 50.485349] ? reweight_task+0x93/0x130 [ 50.489295] __sched_setscheduler+0xd92/0x1f50 [ 50.493845] ? cpu_cgroup_fork+0xd0/0xd0 [ 50.497874] ? kasan_check_read+0x11/0x20 [ 50.501999] __x64_sys_sched_setattr+0x17e/0x2a0 [ 50.506735] ? __ia32_sys_sched_setparam+0x80/0x80 [ 50.511643] ? lockdep_hardirqs_on+0x421/0x5c0 [ 50.516192] ? do_syscall_64+0x21/0x4e0 [ 50.520136] ? trace_hardirqs_on+0x28/0x190 [ 50.524426] do_syscall_64+0xd0/0x4e0 [ 50.528194] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.533351] RIP: 0033:0x459819 [ 50.536512] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.555394] RSP: 002b:00007f67203ccc78 EFLAGS: 00000246 ORIG_RAX: 000000000000013a [ 50.564034] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459819 [ 50.571274] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 [ 50.578512] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 50.585751] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f67203cd6d4 [ 50.593001] R13: 00000000004c6d52 R14: 00000000004dc010 R15: 00000000ffffffff [ 50.601200] [ 50.601201] ====================================================== [ 50.601202] WARNING: possible circular locking dependency detected [ 50.601203] 4.19.128-syzkaller #0 Not tainted [ 50.601204] ------------------------------------------------------ [ 50.601204] syz-executor.3/7149 is trying to acquire lock: [ 50.601205] 000000003d414ccd ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 50.601208] [ 50.601208] but task is already holding lock: [ 50.601209] 0000000087ae91ef (&rq->lock){-.-.}, at: task_rq_lock+0xc1/0x2c0 [ 50.601211] [ 50.601212] which lock already depends on the new lock. [ 50.601213] [ 50.601213] [ 50.601214] the existing dependency chain (in reverse order) is: [ 50.601215] [ 50.601215] -> #2 (&rq->lock){-.-.}: [ 50.601217] _raw_spin_lock+0x2d/0x40 [ 50.601218] task_fork_fair+0x65/0x4b0 [ 50.601219] sched_fork+0x3ad/0x8b0 [ 50.601219] copy_process.part.34+0x1ad9/0x7370 [ 50.601220] _do_fork+0x15d/0xba0 [ 50.601221] kernel_thread+0x24/0x30 [ 50.601221] rest_init+0x1d/0x199 [ 50.601222] start_kernel+0x70d/0x749 [ 50.601223] x86_64_start_reservations+0x29/0x2b [ 50.601224] x86_64_start_kernel+0x76/0x79 [ 50.601224] secondary_startup_64+0xa4/0xb0 [ 50.601225] [ 50.601225] -> #1 (&p->pi_lock){-.-.}: [ 50.601228] _raw_spin_lock_irqsave+0x99/0xd0 [ 50.601228] try_to_wake_up+0x8a/0xf20 [ 50.601229] wake_up_process+0x10/0x20 [ 50.601230] __up.isra.1+0x136/0x1a0 [ 50.601230] up+0x95/0xe0 [ 50.601231] __up_console_sem+0xa0/0x150 [ 50.601232] console_unlock+0x54f/0xde0 [ 50.601232] vt_ioctl+0x1eec/0x2380 [ 50.601233] tty_ioctl+0x452/0x1290 [ 50.601234] do_vfs_ioctl+0x196/0x10c0 [ 50.601234] ksys_ioctl+0x62/0x90 [ 50.601235] __x64_sys_ioctl+0x6e/0xb0 [ 50.601236] do_syscall_64+0xd0/0x4e0 [ 50.601236] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.601237] [ 50.601237] -> #0 ((console_sem).lock){-...}: [ 50.601240] lock_acquire+0x173/0x3d0 [ 50.601240] _raw_spin_lock_irqsave+0x99/0xd0 [ 50.601241] down_trylock+0x13/0x70 [ 50.601242] __down_trylock_console_sem+0x93/0x190 [ 50.601242] console_trylock+0x11/0x50 [ 50.601243] vprintk_emit+0x184/0x540 [ 50.601244] vprintk_default+0x1a/0x20 [ 50.601244] vprintk_func+0x49/0x12c [ 50.601245] printk+0x9a/0xc0 [ 50.601246] enqueue_task_dl.cold.62+0x1c/0x1ea [ 50.601246] __sched_setscheduler+0xd92/0x1f50 [ 50.601247] __x64_sys_sched_setattr+0x17e/0x2a0 [ 50.601248] do_syscall_64+0xd0/0x4e0 [ 50.601249] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.601249] [ 50.601250] other info that might help us debug this: [ 50.601250] [ 50.601251] Chain exists of: [ 50.601251] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 50.601254] [ 50.601255] Possible unsafe locking scenario: [ 50.601256] [ 50.601256] CPU0 CPU1 [ 50.601257] ---- ---- [ 50.601258] lock(&rq->lock); [ 50.601259] lock(&p->pi_lock); [ 50.601261] lock(&rq->lock); [ 50.601262] lock((console_sem).lock); [ 50.601263] [ 50.601264] *** DEADLOCK *** [ 50.601265] [ 50.601265] 3 locks held by syz-executor.3/7149: [ 50.601266] #0: 00000000aa024461 (rcu_read_lock){....}, at: __x64_sys_sched_setattr+0x112/0x2a0 [ 50.601269] #1: 000000009388ef03 (&p->pi_lock){-.-.}, at: task_rq_lock+0x62/0x2c0 [ 50.601272] #2: 0000000087ae91ef (&rq->lock){-.-.}, at: task_rq_lock+0xc1/0x2c0 [ 50.601274] [ 50.601275] stack backtrace: [ 50.601276] CPU: 0 PID: 7149 Comm: syz-executor.3 Not tainted 4.19.128-syzkaller #0 [ 50.601277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.601278] Call Trace: [ 50.601278] dump_stack+0x123/0x177 [ 50.601279] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 50.601280] ? save_trace+0xe0/0x290 [ 50.601280] __lock_acquire+0x30df/0x4980 [ 50.601281] ? lockdep_on+0x50/0x50 [ 50.601282] ? mark_held_locks+0x130/0x130 [ 50.601282] ? enable_ptr_key_workfn+0x30/0x30 [ 50.601283] ? kvm_clock_read+0x18/0x30 [ 50.601284] ? kvm_sched_clock_read+0x9/0x20 [ 50.601284] lock_acquire+0x173/0x3d0 [ 50.601285] ? down_trylock+0x13/0x70 [ 50.601286] ? vprintk_emit+0x184/0x540 [ 50.601286] ? vprintk_emit+0x184/0x540 [ 50.601287] _raw_spin_lock_irqsave+0x99/0xd0 [ 50.601288] ? down_trylock+0x13/0x70 [ 50.601288] down_trylock+0x13/0x70 [ 50.601289] ? vprintk_emit+0x184/0x540 [ 50.601289] __down_trylock_console_sem+0x93/0x190 [ 50.601290] console_trylock+0x11/0x50 [ 50.601291] vprintk_emit+0x184/0x540 [ 50.601291] vprintk_default+0x1a/0x20 [ 50.601292] vprintk_func+0x49/0x12c [ 50.601293] printk+0x9a/0xc0 [ 50.601293] ? kmsg_dump_rewind_nolock+0xdf/0xdf [ 50.601294] enqueue_task_dl.cold.62+0x1c/0x1ea [ 50.601295] ? reweight_task+0x93/0x130 [ 50.601295] __sched_setscheduler+0xd92/0x1f50 [ 50.601296] ? cpu_cgroup_fork+0xd0/0xd0 [ 50.601297] ? kasan_check_read+0x11/0x20 [ 50.601297] __x64_sys_sched_setattr+0x17e/0x2a0 [ 50.601298] ? __ia32_sys_sched_setparam+0x80/0x80 [ 50.601299] ? lockdep_hardirqs_on+0x421/0x5c0 [ 50.601299] ? do_syscall_64+0x21/0x4e0 [ 50.601300] ? trace_hardirqs_on+0x28/0x190 [ 50.601301] do_syscall_64+0xd0/0x4e0 [ 50.601302] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.601302] RIP: 0033:0x459819 [ 50.601304] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.601304] RSP: 002b:00007f67203ccc78 EFLAGS: 00000246 ORIG_RAX: 000000000000013a [ 50.601306] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459819 [ 50.601307] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 [ 50.601308] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 50.601308] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f67203cd6d4 [ 50.601309] R13: 00000000004c6d52 R14: 00000000004dc010 R15: 00000000ffffffff [ 51.691496] Shutting down cpus with NMI [ 52.288070] Kernel Offset: disabled [ 52.291693] Rebooting in 86400 seconds..