Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 22.643394] sshd (6149) used greatest stack depth: 23784 bytes left [ 32.085585] audit: type=1400 audit(1595154458.877:8): avc: denied { execmem } for pid=6267 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 32.110345] IPVS: ftp: loaded support on port[0] = 21 [ 32.536103] can: request_module (can-proto-0) failed. [ 33.541270] can: request_module (can-proto-0) failed. [ 33.568002] audit: type=1400 audit(1595154460.358:9): avc: denied { create } for pid=6245 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 '10.128.10.3' (ECDSA) to the list of known hosts. 2020/07/19 10:27:48 parsed 1 programs 2020/07/19 10:27:49 executed programs: 0 [ 42.448570] audit: type=1400 audit(1595154469.241:10): avc: denied { execmem } for pid=6387 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 42.474764] IPVS: ftp: loaded support on port[0] = 21 [ 42.525170] IPVS: ftp: loaded support on port[0] = 21 [ 42.537106] IPVS: ftp: loaded support on port[0] = 21 [ 42.556114] IPVS: ftp: loaded support on port[0] = 21 [ 42.556118] IPVS: ftp: loaded support on port[0] = 21 [ 42.573879] IPVS: ftp: loaded support on port[0] = 21 [ 42.791523] chnl_net:caif_netlink_parms(): no params data found [ 42.830573] chnl_net:caif_netlink_parms(): no params data found [ 43.006000] chnl_net:caif_netlink_parms(): no params data found [ 43.034462] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.040834] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.048567] device bridge_slave_0 entered promiscuous mode [ 43.071481] chnl_net:caif_netlink_parms(): no params data found [ 43.088344] chnl_net:caif_netlink_parms(): no params data found [ 43.102041] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.108446] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.116895] device bridge_slave_1 entered promiscuous mode [ 43.153206] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.159595] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.167394] device bridge_slave_0 entered promiscuous mode [ 43.179221] chnl_net:caif_netlink_parms(): no params data found [ 43.225847] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.234269] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.241938] device bridge_slave_1 entered promiscuous mode [ 43.249909] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.259605] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.272552] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.278962] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.287160] device bridge_slave_0 entered promiscuous mode [ 43.298723] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.306034] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.314228] device bridge_slave_1 entered promiscuous mode [ 43.330386] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.337086] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.344853] device bridge_slave_0 entered promiscuous mode [ 43.379592] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.386597] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.394357] device bridge_slave_1 entered promiscuous mode [ 43.409881] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.419259] team0: Port device team_slave_0 added [ 43.434846] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.454113] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.462785] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.470195] team0: Port device team_slave_1 added [ 43.477440] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.484319] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.492082] device bridge_slave_0 entered promiscuous mode [ 43.499578] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.515571] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.525614] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.533598] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.547069] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.553639] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.560707] device bridge_slave_1 entered promiscuous mode [ 43.575141] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.599091] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.613952] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.624932] team0: Port device team_slave_0 added [ 43.639286] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.646220] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.654260] device bridge_slave_0 entered promiscuous mode [ 43.678406] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.686098] team0: Port device team_slave_1 added [ 43.693608] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.702588] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.708979] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.716595] device bridge_slave_1 entered promiscuous mode [ 43.723406] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.730647] team0: Port device team_slave_0 added [ 43.737006] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.744558] team0: Port device team_slave_0 added [ 43.752999] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.795327] device hsr_slave_0 entered promiscuous mode [ 43.851347] device hsr_slave_1 entered promiscuous mode [ 43.892318] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.900208] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.912530] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.919788] team0: Port device team_slave_1 added [ 43.925348] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.933142] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.940346] team0: Port device team_slave_1 added [ 43.946199] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.968206] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.983773] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.997182] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.009054] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.024099] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.083308] device hsr_slave_0 entered promiscuous mode [ 44.121170] device hsr_slave_1 entered promiscuous mode [ 44.161379] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.168908] team0: Port device team_slave_0 added [ 44.177075] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.223314] device hsr_slave_0 entered promiscuous mode [ 44.261166] device hsr_slave_1 entered promiscuous mode [ 44.309161] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.317225] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.324490] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.332162] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.339297] team0: Port device team_slave_1 added [ 44.344926] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.392578] device hsr_slave_0 entered promiscuous mode [ 44.421121] device hsr_slave_1 entered promiscuous mode [ 44.471248] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.479804] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.489929] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.503707] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.512338] team0: Port device team_slave_0 added [ 44.517752] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.525841] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.543624] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.552249] team0: Port device team_slave_1 added [ 44.557648] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.577448] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.587682] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.595177] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.633120] device hsr_slave_0 entered promiscuous mode [ 44.671033] device hsr_slave_1 entered promiscuous mode [ 44.711429] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.719085] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.792794] device hsr_slave_0 entered promiscuous mode [ 44.831083] device hsr_slave_1 entered promiscuous mode [ 44.871774] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.880367] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.895683] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.913685] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.958871] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.973132] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.004447] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.016621] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.027340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.036844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.048845] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.059275] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.067095] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.075759] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.088459] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.098884] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.106963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.115781] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.124260] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.130791] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.137667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.145822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.154903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.173756] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.185953] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.195536] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.204511] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.214895] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.223162] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.231280] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.237636] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.246065] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.252284] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.259250] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.268772] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.279658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.290487] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.297695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.307884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.316164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.323537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.332849] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.344872] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.353185] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.364146] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.372532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.380295] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.388756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.397069] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.405781] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.412201] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.419071] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.426358] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.436534] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.445960] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.454843] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.466210] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.472677] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.478777] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.486804] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.494645] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.501682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.508531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.516744] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.524412] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.530825] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.540110] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.552923] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.559037] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.567430] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.576644] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.585561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.593825] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.601993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.608807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.615936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.625712] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.636654] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.647534] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.657681] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.665515] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.674684] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.682504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.690184] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.697864] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.704264] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.711504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.719246] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.726902] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.733316] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.740250] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.748523] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.756257] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.762657] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.770182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.777422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.790463] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.797588] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.809456] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.818983] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.826420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.835365] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.842412] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.849352] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.856810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.867237] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.875215] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.883059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.891004] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.898549] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.905004] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.911986] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.921436] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.929100] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.944057] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.953145] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.963192] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.973245] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.980257] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.988209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.998393] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.006387] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.014308] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.022181] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.028523] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.035392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.043267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.052959] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.065211] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.073491] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.081647] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.092117] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.099643] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.107549] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.115666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.125353] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.133092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.141042] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.148607] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.155016] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.162471] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.171825] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.182766] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.193393] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.204627] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.212988] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.221687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.229672] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.238586] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.246884] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.255093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.262246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.269081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.276860] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.284377] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.294414] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.305143] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.315025] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.324750] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.332836] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.344756] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.352395] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.360223] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.367881] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.375660] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.383880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.394496] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.400979] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.408289] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.417704] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.427950] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.444605] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.453868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.467414] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.478356] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.489499] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.496754] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.511347] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.534659] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.545131] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.554490] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.564348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.571987] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.579515] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.587292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.595748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.603473] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.609838] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.616665] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.625110] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.633126] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.639474] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.649535] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.657571] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.664750] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.672138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.679959] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.689515] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.699256] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.709232] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.722302] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.728967] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.738113] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.747067] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.755480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.764791] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.779079] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.790147] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.803236] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.815720] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.822337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.829788] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.852684] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.864335] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.875679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.885415] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.898075] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.910000] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.924193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.937689] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.948418] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.968971] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.975824] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.995569] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.003386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.021721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.035790] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 47.046835] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.079811] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 47.086681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.095190] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.105638] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 47.150212] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.166506] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.188287] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.202123] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 47.208139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.265490] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 47.303990] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/07/19 10:27:54 executed programs: 19 [ 206.809108] INFO: task syz-executor.2:7448 blocked for more than 140 seconds. [ 206.830297] Not tainted 4.19.133-syzkaller #0 [ 206.835348] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 206.850331] syz-executor.2 D27688 7448 6389 0x80000004 [ 206.856027] Call Trace: [ 206.859078] __schedule+0x78c/0x1c10 [ 206.884834] ? pci_mmcfg_check_reserved+0x120/0x120 [ 206.890066] ? rwsem_down_read_failed+0x203/0x3e0 [ 206.925004] ? lockdep_hardirqs_on+0x421/0x5c0 [ 206.929614] ? _raw_spin_unlock_irq+0x27/0x80 [ 206.934476] ? rwsem_down_read_failed+0x21c/0x3e0 [ 206.939335] schedule+0x7f/0x1b0 [ 206.947513] rwsem_down_read_failed+0x21c/0x3e0 [ 206.954584] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 206.959529] ? find_held_lock+0x36/0x1d0 [ 206.968728] call_rwsem_down_read_failed+0x18/0x30 [ 206.973935] down_read+0x49/0xb0 [ 206.977301] ? do_exit+0x61f/0x2d20 [ 206.985780] do_exit+0x61f/0x2d20 [ 206.989262] ? trace_hardirqs_on+0x28/0x190 [ 206.993886] ? mm_update_next_owner+0x680/0x680 [ 206.998556] ? find_held_lock+0x36/0x1d0 [ 207.007471] ? get_signal+0x2c3/0x1a30 [ 207.011630] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.016147] ? get_signal+0x2c3/0x1a30 [ 207.020027] do_group_exit+0xf4/0x2f0 [ 207.028748] get_signal+0x313/0x1a30 [ 207.044929] ? vm_mmap_pgoff+0x15a/0x210 [ 207.049016] ? lock_downgrade+0x860/0x860 [ 207.064791] do_signal+0x87/0x1960 [ 207.068358] ? vm_mmap_pgoff+0x15a/0x210 [ 207.084789] ? vma_is_stack_for_current+0x90/0x90 [ 207.089689] ? setup_sigcontext+0x7d0/0x7d0 [ 207.104805] ? kvm_clock_get_cycles+0x9/0x10 [ 207.109242] ? ksys_mmap_pgoff+0xa4/0x650 [ 207.125811] ? exit_to_usermode_loop+0x3a/0x200 [ 207.130805] ? do_syscall_64+0x413/0x4e0 [ 207.134881] ? lockdep_hardirqs_on+0x421/0x5c0 [ 207.139450] ? exit_to_usermode_loop+0x3a/0x200 [ 207.149160] ? trace_hardirqs_on+0x28/0x190 [ 207.153732] exit_to_usermode_loop+0x114/0x200 [ 207.158318] do_syscall_64+0x413/0x4e0 [ 207.166998] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 207.172439] RIP: 0033:0x4598fa [ 207.175639] Code: Bad RIP value. [ 207.179024] RSP: 002b:00007fffdf8eef38 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 207.191534] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00000000004598fa [ 207.199341] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 207.212380] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 207.219675] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 207.229502] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 207.242541] INFO: task syz-executor.2:7454 blocked for more than 140 seconds. [ 207.249825] Not tainted 4.19.133-syzkaller #0 [ 207.282687] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 207.302547] syz-executor.2 D28200 7454 6389 0x80000004 [ 207.308207] Call Trace: [ 207.322552] __schedule+0x78c/0x1c10 [ 207.326296] ? pci_mmcfg_check_reserved+0x120/0x120 [ 207.333873] ? rwsem_down_read_failed+0x203/0x3e0 [ 207.338727] ? lockdep_hardirqs_on+0x421/0x5c0 [ 207.345975] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.353094] ? rwsem_down_read_failed+0x21c/0x3e0 [ 207.357937] schedule+0x7f/0x1b0 [ 207.364784] rwsem_down_read_failed+0x21c/0x3e0 [ 207.369456] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 207.376911] ? find_held_lock+0x36/0x1d0 [ 207.383522] call_rwsem_down_read_failed+0x18/0x30 [ 207.388468] down_read+0x49/0xb0 [ 207.394356] ? do_exit+0x61f/0x2d20 [ 207.398012] do_exit+0x61f/0x2d20 [ 207.404048] ? mm_update_next_owner+0x680/0x680 [ 207.408723] ? find_held_lock+0x36/0x1d0 [ 207.415380] ? get_signal+0x2c3/0x1a30 [ 207.419301] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.426357] ? get_signal+0x2c3/0x1a30 [ 207.445152] do_group_exit+0xf4/0x2f0 [ 207.448980] get_signal+0x313/0x1a30 [ 207.462526] ? lock_downgrade+0x860/0x860 [ 207.466716] do_signal+0x87/0x1960 [ 207.482529] ? lock_downgrade+0x860/0x860 [ 207.486714] ? setup_sigcontext+0x7d0/0x7d0 [ 207.502581] ? kasan_check_read+0x11/0x20 [ 207.506768] ? _copy_to_user+0x91/0xb0 [ 207.522793] ? __x64_sys_futex+0x1cb/0x3a0 [ 207.527066] ? exit_to_usermode_loop+0x3a/0x200 [ 207.534289] ? do_syscall_64+0x413/0x4e0 [ 207.538355] ? lockdep_hardirqs_on+0x421/0x5c0 [ 207.545508] ? exit_to_usermode_loop+0x3a/0x200 [ 207.550195] ? trace_hardirqs_on+0x28/0x190 [ 207.557220] exit_to_usermode_loop+0x114/0x200 [ 207.564536] do_syscall_64+0x413/0x4e0 [ 207.568441] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 207.576374] RIP: 0033:0x4598a9 [ 207.579577] Code: Bad RIP value. [ 207.585490] RSP: 002b:00007feae14cecf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 207.595727] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 00000000004598a9 [ 207.606458] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 207.616269] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 207.626054] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 207.635887] R13: 00007fffdf8eefdf R14: 00007feae14cf9c0 R15: 000000000075bf2c [ 207.652586] INFO: task syz-executor.4:7493 blocked for more than 140 seconds. [ 207.659870] Not tainted 4.19.133-syzkaller #0 [ 207.692518] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 207.712517] syz-executor.4 D28136 7493 6398 0x80000004 [ 207.718165] Call Trace: [ 207.730347] __schedule+0x78c/0x1c10 [ 207.734093] ? pci_mmcfg_check_reserved+0x120/0x120 [ 207.739371] ? rwsem_down_read_failed+0x203/0x3e0 [ 207.760426] ? lockdep_hardirqs_on+0x421/0x5c0 [ 207.765038] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.769527] ? rwsem_down_read_failed+0x21c/0x3e0 [ 207.790317] schedule+0x7f/0x1b0 [ 207.793708] rwsem_down_read_failed+0x21c/0x3e0 [ 207.820278] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 207.825240] ? find_held_lock+0x36/0x1d0 [ 207.829313] call_rwsem_down_read_failed+0x18/0x30 [ 207.864874] down_read+0x49/0xb0 [ 207.868265] ? do_exit+0x61f/0x2d20 [ 207.872368] do_exit+0x61f/0x2d20 [ 207.875836] ? trace_hardirqs_on+0x28/0x190 [ 207.880167] ? mm_update_next_owner+0x680/0x680 [ 207.904859] ? find_held_lock+0x36/0x1d0 [ 207.908954] ? get_signal+0x2c3/0x1a30 [ 207.924929] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.929461] ? get_signal+0x2c3/0x1a30 [ 207.933640] do_group_exit+0xf4/0x2f0 [ 207.937443] get_signal+0x313/0x1a30 [ 207.946053] ? vm_mmap_pgoff+0x15a/0x210 [ 207.950124] ? lock_downgrade+0x860/0x860 [ 207.954562] do_signal+0x87/0x1960 [ 207.958112] ? vm_mmap_pgoff+0x15a/0x210 [ 207.966958] ? vma_is_stack_for_current+0x90/0x90 [ 207.972046] ? setup_sigcontext+0x7d0/0x7d0 [ 207.976368] ? kvm_clock_get_cycles+0x9/0x10 [ 207.985542] ? ksys_mmap_pgoff+0xa4/0x650 [ 207.989700] ? exit_to_usermode_loop+0x3a/0x200 [ 207.994636] ? do_syscall_64+0x413/0x4e0 [ 207.998697] ? lockdep_hardirqs_on+0x421/0x5c0 [ 208.008345] ? exit_to_usermode_loop+0x3a/0x200 [ 208.013295] ? trace_hardirqs_on+0x28/0x190 [ 208.017623] exit_to_usermode_loop+0x114/0x200 [ 208.027067] do_syscall_64+0x413/0x4e0 [ 208.031227] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 208.036425] RIP: 0033:0x4598fa [ 208.039616] Code: Bad RIP value. [ 208.050342] RSP: 002b:00007ffe6f34aaf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 208.058068] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00000000004598fa [ 208.104857] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 208.112476] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 208.119754] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 208.131910] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 208.139256] INFO: task syz-executor.4:7495 blocked for more than 140 seconds. [ 208.149130] Not tainted 4.19.133-syzkaller #0 [ 208.156676] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 208.168035] syz-executor.4 D28200 7495 6398 0x80000004 [ 208.176255] Call Trace: [ 208.178852] __schedule+0x78c/0x1c10 [ 208.185089] ? pci_mmcfg_check_reserved+0x120/0x120 [ 208.190116] ? rwsem_down_read_failed+0x203/0x3e0 [ 208.197511] ? lockdep_hardirqs_on+0x421/0x5c0 [ 208.204631] ? _raw_spin_unlock_irq+0x27/0x80 [ 208.209138] ? rwsem_down_read_failed+0x21c/0x3e0 [ 208.216684] schedule+0x7f/0x1b0 [ 208.220074] rwsem_down_read_failed+0x21c/0x3e0 [ 208.227453] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 208.235027] ? find_held_lock+0x36/0x1d0 [ 208.239114] call_rwsem_down_read_failed+0x18/0x30 [ 208.247521] down_read+0x49/0xb0 [ 208.262538] ? do_exit+0x61f/0x2d20 [ 208.266189] do_exit+0x61f/0x2d20 [ 208.269637] ? mm_update_next_owner+0x680/0x680 [ 208.292531] ? find_held_lock+0x36/0x1d0 [ 208.296625] ? get_signal+0x2c3/0x1a30 [ 208.312554] ? _raw_spin_unlock_irq+0x27/0x80 [ 208.317074] ? get_signal+0x2c3/0x1a30 [ 208.330369] do_group_exit+0xf4/0x2f0 [ 208.334291] get_signal+0x313/0x1a30 [ 208.338018] ? lock_downgrade+0x860/0x860 [ 208.360294] do_signal+0x87/0x1960 [ 208.363866] ? lock_downgrade+0x860/0x860 [ 208.368124] ? setup_sigcontext+0x7d0/0x7d0 [ 208.390341] ? kasan_check_read+0x11/0x20 [ 208.394532] ? _copy_to_user+0x91/0xb0 [ 208.398424] ? __x64_sys_futex+0x1cb/0x3a0 [ 208.410474] ? exit_to_usermode_loop+0x3a/0x200 [ 208.415248] ? do_syscall_64+0x413/0x4e0 [ 208.419358] ? lockdep_hardirqs_on+0x421/0x5c0 [ 208.440446] ? exit_to_usermode_loop+0x3a/0x200 [ 208.445328] ? trace_hardirqs_on+0x28/0x190 [ 208.449719] exit_to_usermode_loop+0x114/0x200 [ 208.470495] do_syscall_64+0x413/0x4e0 [ 208.474469] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 208.490459] RIP: 0033:0x4598a9 [ 208.493722] Code: 7d 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 4b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 208.550406] RSP: 002b:00007ffa7bd15cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 208.558208] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 00000000004598a9 [ 208.580354] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 208.588032] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 208.625134] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 208.632817] R13: 00007ffe6f34ab9f R14: 00007ffa7bd169c0 R15: 000000000075bf2c [ 208.640132] [ 208.640132] Showing all locks held in the system: [ 208.672559] 1 lock held by khungtaskd/1041: [ 208.676903] #0: 00000000282ae066 (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x27a [ 208.702576] 1 lock held by in:imklog/5878: [ 208.706830] #0: 00000000ad1e2e01 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 [ 208.740959] 1 lock held by syz-executor.2/7448: [ 208.745677] #0: 0000000010486bbd (&mm->mmap_sem){++++}, at: do_exit+0x61f/0x2d20 [ 208.760271] 1 lock held by syz-executor.2/7454: [ 208.764955] #0: 0000000010486bbd (&mm->mmap_sem){++++}, at: do_exit+0x61f/0x2d20 [ 208.790329] 2 locks held by syz-executor.2/7459: [ 208.795106] 1 lock held by syz-executor.4/7493: [ 208.799790] #0: 00000000e6671460 (&mm->mmap_sem){++++}, at: do_exit+0x61f/0x2d20 [ 208.834767] 1 lock held by syz-executor.4/7495: [ 208.839460] #0: 00000000e6671460 (&mm->mmap_sem){++++}, at: do_exit+0x61f/0x2d20 [ 208.874943] 1 lock held by syz-executor.4/7501: [ 208.879664] [ 208.881665] ============================================= [ 208.881665] [ 208.888855] NMI backtrace for cpu 0 [ 208.892606] CPU: 0 PID: 1041 Comm: khungtaskd Not tainted 4.19.133-syzkaller #0 [ 208.900047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 208.909400] Call Trace: [ 208.911985] dump_stack+0x123/0x177 [ 208.915602] nmi_cpu_backtrace.cold.4+0x3e/0x76 [ 208.920259] ? lapic_can_unplug_cpu.cold.29+0x3f/0x3f [ 208.925468] nmi_trigger_cpumask_backtrace+0xe6/0x11a [ 208.930679] arch_trigger_cpumask_backtrace+0x14/0x20 [ 208.935864] watchdog+0x5c3/0xb40 [ 208.939311] kthread+0x324/0x3e0 [ 208.942670] ? hungtask_pm_notify+0x40/0x40 [ 208.947003] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 208.952532] ret_from_fork+0x24/0x30 [ 208.956334] Sending NMI from CPU 0 to CPUs 1: [ 208.961110] NMI backtrace for cpu 1 [ 208.961112] CPU: 1 PID: 10 Comm: rcu_preempt Not tainted 4.19.133-syzkaller #0 [ 208.961114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 208.961116] RIP: 0010:mark_lock+0xb7/0x1340 [ 208.961118] Code: d4 7a 89 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 aa 0e 00 00 4d 85 6c 24 30 74 5f <41> bd 01 00 00 00 48 83 c4 20 44 89 e8 5b 41 5c 41 5d 41 5e 41 5f [ 208.961120] RSP: 0018:ffff8880aa3777c8 EFLAGS: 00000006 [ 208.961123] RAX: dffffc0000000000 RBX: ffff8880aa364b08 RCX: 1ffff1101546c965 [ 208.961125] RDX: 1ffffffff12f5a9e RSI: ffff8880aa364b08 RDI: ffffffff897ad4f0 [ 208.961127] RBP: ffff8880aa377810 R08: ffff8880aa364b28 R09: 0000000000000000 [ 208.961128] R10: ffff8880aa364b08 R11: ffff8880aa364af4 R12: ffffffff897ad4c0 [ 208.961130] R13: 0000000000000100 R14: 0000000000000008 R15: ffff8880aa364280 [ 208.961132] FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 208.961134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 208.961135] CR2: 00007f768ff35020 CR3: 0000000092868000 CR4: 00000000001406e0 [ 208.961137] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 208.961139] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 208.961140] Call Trace: [ 208.961142] __lock_acquire+0x792/0x4980 [ 208.961143] ? mark_held_locks+0x130/0x130 [ 208.961145] ? __lock_acquire+0x792/0x4980 [ 208.961146] ? mark_held_locks+0x130/0x130 [ 208.961147] ? check_noncircular+0x20/0x20 [ 208.961149] ? mark_held_locks+0x130/0x130 [ 208.961150] ? __lock_is_held+0xb5/0x140 [ 208.961152] ? __lock_acquire+0x792/0x4980 [ 208.961153] ? find_held_lock+0x36/0x1d0 [ 208.961155] lock_acquire+0x173/0x3d0 [ 208.961156] ? debug_object_assert_init+0xec/0x370 [ 208.961158] _raw_spin_lock_irqsave+0x99/0xd0 [ 208.961159] ? debug_object_assert_init+0xec/0x370 [ 208.961161] debug_object_assert_init+0xec/0x370 [ 208.961162] ? debug_object_destroy+0x2b0/0x2b0 [ 208.961164] ? find_held_lock+0x36/0x1d0 [ 208.961165] try_to_del_timer_sync+0x68/0x100 [ 208.961166] ? detach_if_pending+0x3c0/0x3c0 [ 208.961168] ? lockdep_hardirqs_on+0x421/0x5c0 [ 208.961169] ? del_timer_sync+0xc9/0x1e0 [ 208.961171] ? trace_hardirqs_on+0x28/0x190 [ 208.961172] del_timer_sync+0x156/0x1e0 [ 208.961174] schedule_timeout+0x3b3/0xda0 [ 208.961175] ? lockdep_hardirqs_on+0x421/0x5c0 [ 208.961177] ? usleep_range+0x130/0x130 [ 208.961178] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 208.961180] ? prepare_to_swait_event+0x17f/0x3d0 [ 208.961181] ? __next_timer_interrupt+0x100/0x100 [ 208.961183] rcu_gp_kthread+0xce6/0x23d0 [ 208.961184] ? rcu_exp_wait_wake+0x460/0x460 [ 208.961186] ? __kthread_parkme+0x47/0x190 [ 208.961187] ? __kthread_parkme+0xb9/0x190 [ 208.961188] kthread+0x324/0x3e0 [ 208.961190] ? rcu_exp_wait_wake+0x460/0x460 [ 208.961191] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 208.961193] ret_from_fork+0x24/0x30 [ 208.967090] Kernel panic - not syncing: hung_task: blocked tasks [ 209.246625] CPU: 0 PID: 1041 Comm: khungtaskd Not tainted 4.19.133-syzkaller #0 [ 209.254061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 209.263408] Call Trace: [ 209.265994] dump_stack+0x123/0x177 [ 209.269618] panic+0x1cd/0x375 [ 209.272818] ? __warn_printk+0xd6/0xd6 [ 209.276709] watchdog+0x5d4/0xb40 [ 209.280155] kthread+0x324/0x3e0 [ 209.283511] ? hungtask_pm_notify+0x40/0x40 [ 209.287820] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 209.293365] ret_from_fork+0x24/0x30 [ 209.298513] Kernel Offset: disabled [ 209.302132] Rebooting in 86400 seconds..