[ 18.946739] random: 7 urandom warning(s) missed due to ratelimiting Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 30.501752] audit: type=1400 audit(1606271017.465:8): avc: denied { execmem } for pid=6121 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 30.520920] IPVS: ftp: loaded support on port[0] = 21 [ 30.911402] can: request_module (can-proto-0) failed. [ 31.505917] can: request_module (can-proto-0) failed. [ 31.531753] audit: type=1400 audit(1606271018.496:9): avc: denied { create } for pid=6102 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 '10.128.15.211' (ECDSA) to the list of known hosts. 2020/11/25 02:23:46 parsed 1 programs 2020/11/25 02:23:46 executed programs: 0 [ 39.876637] audit: type=1400 audit(1606271026.850:10): avc: denied { execmem } for pid=6241 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 39.932983] IPVS: ftp: loaded support on port[0] = 21 [ 39.933107] IPVS: ftp: loaded support on port[0] = 21 [ 39.942729] IPVS: ftp: loaded support on port[0] = 21 [ 39.967755] IPVS: ftp: loaded support on port[0] = 21 [ 39.967759] IPVS: ftp: loaded support on port[0] = 21 [ 40.009886] IPVS: ftp: loaded support on port[0] = 21 [ 40.158739] chnl_net:caif_netlink_parms(): no params data found [ 40.245581] chnl_net:caif_netlink_parms(): no params data found [ 40.306169] chnl_net:caif_netlink_parms(): no params data found [ 40.381475] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.387861] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.396277] device bridge_slave_0 entered promiscuous mode [ 40.421039] chnl_net:caif_netlink_parms(): no params data found [ 40.441517] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.447903] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.455769] device bridge_slave_1 entered promiscuous mode [ 40.473936] chnl_net:caif_netlink_parms(): no params data found [ 40.493759] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.501628] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.508863] device bridge_slave_0 entered promiscuous mode [ 40.518500] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.525310] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.532486] device bridge_slave_1 entered promiscuous mode [ 40.538478] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.546087] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.554673] device bridge_slave_0 entered promiscuous mode [ 40.575852] chnl_net:caif_netlink_parms(): no params data found [ 40.585011] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.601072] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.612809] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.619410] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.626432] device bridge_slave_1 entered promiscuous mode [ 40.672551] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.689957] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.712793] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.721127] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.727945] device bridge_slave_0 entered promiscuous mode [ 40.736278] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.750970] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.759693] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.766072] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.774029] device bridge_slave_0 entered promiscuous mode [ 40.782103] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.789917] team0: Port device team_slave_0 added [ 40.795152] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.801627] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.809043] device bridge_slave_0 entered promiscuous mode [ 40.815386] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.822729] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.829990] device bridge_slave_1 entered promiscuous mode [ 40.847851] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.856667] team0: Port device team_slave_0 added [ 40.862933] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.869932] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.876763] device bridge_slave_1 entered promiscuous mode [ 40.883728] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.891653] team0: Port device team_slave_1 added [ 40.896913] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.905230] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.912767] device bridge_slave_1 entered promiscuous mode [ 40.931845] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.940287] team0: Port device team_slave_1 added [ 40.950833] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.966461] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.979892] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.987073] team0: Port device team_slave_0 added [ 40.993782] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.001847] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.012375] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.022059] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.031801] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.040318] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.047573] team0: Port device team_slave_1 added [ 41.053162] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.071800] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.084417] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.092724] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.106383] device hsr_slave_0 entered promiscuous mode [ 41.112463] device hsr_slave_1 entered promiscuous mode [ 41.136629] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.146138] device hsr_slave_0 entered promiscuous mode [ 41.152006] device hsr_slave_1 entered promiscuous mode [ 41.157912] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.165532] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.173808] team0: Port device team_slave_0 added [ 41.179544] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.186704] team0: Port device team_slave_0 added [ 41.192572] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.199993] team0: Port device team_slave_1 added [ 41.209984] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.217217] team0: Port device team_slave_0 added [ 41.226652] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.234376] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.241723] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.248800] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.256124] team0: Port device team_slave_1 added [ 41.261511] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.269646] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.283339] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.291434] team0: Port device team_slave_1 added [ 41.310035] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.318002] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.330023] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.339893] device hsr_slave_0 entered promiscuous mode [ 41.345990] device hsr_slave_1 entered promiscuous mode [ 41.358286] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.370984] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.378362] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.390618] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.399379] device hsr_slave_0 entered promiscuous mode [ 41.405129] device hsr_slave_1 entered promiscuous mode [ 41.411271] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.422912] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.431718] device hsr_slave_0 entered promiscuous mode [ 41.437467] device hsr_slave_1 entered promiscuous mode [ 41.443543] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.451469] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.459345] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.484329] device hsr_slave_0 entered promiscuous mode [ 41.490636] device hsr_slave_1 entered promiscuous mode [ 41.496891] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.504296] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.516714] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.525741] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.542805] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.560865] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.614511] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.639842] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.651961] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.667284] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.675000] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.685599] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.694273] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.703065] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.711195] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.720116] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.727949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.737319] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.745715] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.756674] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.763896] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.771884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.779632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.786493] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.795083] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.804072] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.810839] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.820404] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.828141] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.834436] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.841316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.848175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.858241] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.865081] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.872570] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.879524] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.886260] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.894782] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.906491] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.914411] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.924457] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.932160] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.938726] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.945822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.954138] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.964300] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.973760] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.982196] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.989710] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.998694] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.006447] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.014162] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.021513] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.029569] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.037403] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.045049] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.051455] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.059310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.067008] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.074606] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.081014] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.087828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.095816] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.103719] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.110251] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.117047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.125017] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.132689] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.139111] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.146215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.153398] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.160592] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.169155] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.178789] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.189190] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.197877] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.208901] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.216466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.224785] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.234955] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.241477] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.248573] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.256294] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.264659] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.271077] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.277862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.286110] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.293158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.300106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.307803] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.315586] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.322004] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.331140] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.339667] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.348829] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.357853] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.366405] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.374988] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.384341] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.393658] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.401169] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.410471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.418803] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.426310] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.432691] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.439941] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.447637] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.455459] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.461850] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.469322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.477013] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.484972] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.492879] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.500766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.508457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.516039] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.525508] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.535068] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.541259] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.549092] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.557792] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.569654] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.577297] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.586952] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.595248] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.603262] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.611514] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.619387] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.626812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.636498] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.645675] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.654576] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.663534] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.671548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.679890] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.687336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.695118] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.702823] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.712379] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.722582] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.731752] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.741280] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.749544] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.757015] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.767549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.775384] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.783265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.790962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.799033] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.806529] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.813483] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.822073] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.830231] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.836234] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.845877] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.854341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.863804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.871476] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.877808] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.885160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.893177] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.902426] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.911174] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.919031] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.932310] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.940742] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.950670] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.958839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.966617] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.974298] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.980690] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.987584] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.995668] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.003266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.012013] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.020801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.028789] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.036236] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.045046] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.053332] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.060940] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.070594] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.077533] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.085802] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.094915] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.108898] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.116747] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.123447] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.132815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.140888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.148439] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.155862] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.164452] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.172276] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.184701] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.193549] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.200466] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.210360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.221720] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.229303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.236977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.246605] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.257398] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.265138] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.273403] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.284306] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.291397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.301600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.309625] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.316976] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.325756] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.335190] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.347807] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.358494] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.365967] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.389727] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.399768] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.407605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.422717] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.429553] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.441880] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.450167] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.457616] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.473333] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.486451] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.494122] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.507005] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.522181] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.540323] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.554166] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.570925] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.606895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.623541] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.658904] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.666749] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.713933] FAULT_INJECTION: forcing a failure. [ 43.713933] name failslab, interval 1, probability 0, space 0, times 1 [ 43.725951] CPU: 1 PID: 7176 Comm: syz-executor.4 Not tainted 4.19.160-syzkaller #0 [ 43.729606] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.733829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.748126] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.749801] Call Trace: [ 43.758789] dump_stack+0x123/0x177 [ 43.762410] should_fail.cold.4+0x5/0x13 [ 43.767169] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 43.770403] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.772270] ? mark_held_locks+0x130/0x130 [ 43.782960] __should_failslab+0xba/0xf0 [ 43.787115] should_failslab+0x9/0x14 [ 43.790910] __kmalloc+0x70/0x770 [ 43.794541] ? __lock_is_held+0xb5/0x140 [ 43.798885] ? __tty_buffer_request_room+0x1b3/0x550 [ 43.804067] ? n_tty_receive_buf_common+0x740/0x2bd0 [ 43.809168] __tty_buffer_request_room+0x1b3/0x550 [ 43.814384] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 43.819938] ? do_raw_spin_lock+0xd0/0x240 [ 43.824263] pty_write+0xf3/0x1f0 [ 43.827696] tty_put_char+0x10d/0x130 [ 43.831590] ? dev_match_devt+0x90/0x90 [ 43.835561] ? kasan_check_read+0x11/0x20 [ 43.839691] ? tty_buffer_space_avail+0x56/0xb0 [ 43.844459] ? pty_write_room+0x8f/0xb0 [ 43.848424] __process_echoes+0x311/0x790 [ 43.852554] n_tty_receive_buf_common+0x780/0x2bd0 [ 43.857613] n_tty_receive_buf+0xc/0x10 [ 43.861595] tty_ioctl+0x64e/0x12a0 [ 43.865246] ? tty_vhangup+0x20/0x20 [ 43.868969] ? avc_ss_reset+0x140/0x140 [ 43.872942] ? mark_held_locks+0x130/0x130 [ 43.877153] ? kasan_check_write+0x14/0x20 [ 43.881407] ? proc_fail_nth_write+0x13a/0x180 [ 43.886100] ? proc_cwd_link+0x1b0/0x1b0 [ 43.890155] ? __lock_is_held+0xb5/0x140 [ 43.894231] do_vfs_ioctl+0x199/0x10d0 [ 43.898135] ? ioctl_preallocate+0x1c0/0x1c0 [ 43.902553] ? selinux_file_mprotect+0x5f0/0x5f0 [ 43.907310] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 43.912135] ? ksys_dup3+0x2e0/0x2e0 [ 43.915837] ? kasan_check_write+0x14/0x20 [ 43.920059] ? fput+0x18/0x120 [ 43.923233] ? security_file_ioctl+0x50/0x90 [ 43.927634] ? selinux_file_mprotect+0x5f0/0x5f0 [ 43.932380] ksys_ioctl+0x62/0x90 [ 43.935831] ? lockdep_hardirqs_on+0x421/0x5c0 [ 43.940420] __x64_sys_ioctl+0x6e/0xb0 [ 43.944288] do_syscall_64+0xd6/0x4e0 [ 43.948074] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.953241] RIP: 0033:0x458ca9 [ 43.956412] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 43.976201] RSP: 002b:00007efc1c924c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.983906] RAX: ffffffffffffffda RBX: 00007efc1c924c90 RCX: 0000000000458ca9 [ 43.991287] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 43.998668] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 44.005958] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efc1c9256d4 [ 44.013344] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 44.020779] [ 44.020780] ====================================================== [ 44.020781] WARNING: possible circular locking dependency detected [ 44.020782] 4.19.160-syzkaller #0 Not tainted [ 44.020783] ------------------------------------------------------ [ 44.020784] syz-executor.4/7176 is trying to acquire lock: [ 44.020785] 00000000f3c6ac54 (console_owner){-...}, at: console_unlock+0x386/0xdf0 [ 44.020787] [ 44.020788] but task is already holding lock: [ 44.020789] 00000000665ab98a (&(&port->lock)->rlock){-.-.}, at: pty_write+0xbf/0x1f0 [ 44.020791] [ 44.020792] which lock already depends on the new lock. [ 44.020793] [ 44.020793] [ 44.020794] the existing dependency chain (in reverse order) is: [ 44.020795] [ 44.020795] -> #2 (&(&port->lock)->rlock){-.-.}: [ 44.020798] _raw_spin_lock_irqsave+0x99/0xd0 [ 44.020799] tty_port_tty_get+0x1b/0x70 [ 44.020799] tty_port_default_wakeup+0xa/0x30 [ 44.020800] tty_port_tty_wakeup+0x58/0x70 [ 44.020801] uart_write_wakeup+0x37/0x50 [ 44.020801] serial8250_tx_chars+0x3eb/0x9f0 [ 44.020802] serial8250_handle_irq.part.23+0x229/0x2e0 [ 44.020803] serial8250_default_handle_irq+0x82/0xe0 [ 44.020804] serial8250_interrupt+0xd8/0x170 [ 44.020804] __handle_irq_event_percpu+0x102/0x660 [ 44.020805] handle_irq_event_percpu+0x6c/0x140 [ 44.020806] handle_irq_event+0xa2/0x130 [ 44.020806] handle_edge_irq+0x20b/0x790 [ 44.020807] handle_irq+0x231/0x392 [ 44.020808] do_IRQ+0x98/0x1d0 [ 44.020808] ret_from_intr+0x0/0x1e [ 44.020809] native_safe_halt+0x12/0x20 [ 44.020810] default_idle+0x51/0x320 [ 44.020811] arch_cpu_idle+0x10/0x20 [ 44.020811] default_idle_call+0x6d/0x90 [ 44.020812] do_idle+0x41e/0x560 [ 44.020812] cpu_startup_entry+0xc8/0xe0 [ 44.020813] start_secondary+0x41f/0x5b0 [ 44.020814] secondary_startup_64+0xa4/0xb0 [ 44.020814] [ 44.020815] -> #1 (&port_lock_key){-.-.}: [ 44.020817] _raw_spin_lock_irqsave+0x99/0xd0 [ 44.020818] serial8250_console_write+0x6f3/0x8b0 [ 44.020819] univ8250_console_write+0x4e/0x70 [ 44.020819] console_unlock+0x8c1/0xdf0 [ 44.020820] vprintk_emit+0x191/0x540 [ 44.020821] vprintk_default+0x1a/0x20 [ 44.020821] vprintk_func+0x49/0x12c [ 44.020822] printk+0x9a/0xc0 [ 44.020823] register_console+0x5d0/0x990 [ 44.020823] univ8250_console_init+0x1e/0x28 [ 44.020824] console_init+0x317/0x481 [ 44.020825] start_kernel+0x4b6/0x62f [ 44.020825] x86_64_start_reservations+0x29/0x2b [ 44.020826] x86_64_start_kernel+0x76/0x79 [ 44.020827] secondary_startup_64+0xa4/0xb0 [ 44.020827] [ 44.020828] -> #0 (console_owner){-...}: [ 44.020830] lock_acquire+0x173/0x3d0 [ 44.020831] console_unlock+0x3e8/0xdf0 [ 44.020832] vprintk_emit+0x191/0x540 [ 44.020832] vprintk_default+0x1a/0x20 [ 44.020833] vprintk_func+0x49/0x12c [ 44.020834] printk+0x9a/0xc0 [ 44.020834] should_fail+0x551/0x68a [ 44.020835] __should_failslab+0xba/0xf0 [ 44.020836] should_failslab+0x9/0x14 [ 44.020836] __kmalloc+0x70/0x770 [ 44.020837] __tty_buffer_request_room+0x1b3/0x550 [ 44.020838] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 44.020839] pty_write+0xf3/0x1f0 [ 44.020839] tty_put_char+0x10d/0x130 [ 44.020840] __process_echoes+0x311/0x790 [ 44.020841] n_tty_receive_buf_common+0x780/0x2bd0 [ 44.020841] n_tty_receive_buf+0xc/0x10 [ 44.020842] tty_ioctl+0x64e/0x12a0 [ 44.020843] do_vfs_ioctl+0x199/0x10d0 [ 44.020843] ksys_ioctl+0x62/0x90 [ 44.020844] __x64_sys_ioctl+0x6e/0xb0 [ 44.020845] do_syscall_64+0xd6/0x4e0 [ 44.020846] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.020846] [ 44.020847] other info that might help us debug this: [ 44.020847] [ 44.020848] Chain exists of: [ 44.020848] console_owner --> &port_lock_key --> &(&port->lock)->rlock [ 44.020852] [ 44.020852] Possible unsafe locking scenario: [ 44.020853] [ 44.020854] CPU0 CPU1 [ 44.020854] ---- ---- [ 44.020855] lock(&(&port->lock)->rlock); [ 44.020856] lock(&port_lock_key); [ 44.020858] lock(&(&port->lock)->rlock); [ 44.020860] lock(console_owner); [ 44.020861] [ 44.020862] *** DEADLOCK *** [ 44.020862] [ 44.020863] 5 locks held by syz-executor.4/7176: [ 44.020863] #0: 000000003e3bc4c3 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 44.020866] #1: 000000002e32caea (&o_tty->termios_rwsem/1){++++}, at: n_tty_receive_buf_common+0x80/0x2bd0 [ 44.020870] #2: 0000000018373524 (&ldata->output_lock){+.+.}, at: n_tty_receive_buf_common+0x740/0x2bd0 [ 44.020873] #3: 00000000665ab98a (&(&port->lock)->rlock){-.-.}, at: pty_write+0xbf/0x1f0 [ 44.020876] #4: 00000000ae522d41 (console_lock){+.+.}, at: vprintk_emit+0x184/0x540 [ 44.020878] [ 44.020879] stack backtrace: [ 44.020880] CPU: 1 PID: 7176 Comm: syz-executor.4 Not tainted 4.19.160-syzkaller #0 [ 44.020881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.020882] Call Trace: [ 44.020882] dump_stack+0x123/0x177 [ 44.020883] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 44.020884] ? save_trace+0xe0/0x290 [ 44.020884] __lock_acquire+0x30df/0x4980 [ 44.020885] ? mark_held_locks+0x130/0x130 [ 44.020886] ? pointer+0x7c0/0x7c0 [ 44.020886] lock_acquire+0x173/0x3d0 [ 44.020887] ? console_unlock+0x386/0xdf0 [ 44.020888] console_unlock+0x3e8/0xdf0 [ 44.020888] ? console_unlock+0x386/0xdf0 [ 44.020889] ? vprintk_emit+0x184/0x540 [ 44.020890] vprintk_emit+0x191/0x540 [ 44.020890] vprintk_default+0x1a/0x20 [ 44.020891] vprintk_func+0x49/0x12c [ 44.020891] printk+0x9a/0xc0 [ 44.020892] ? log_store.cold.33+0x11/0x11 [ 44.020893] should_fail+0x551/0x68a [ 44.020893] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 44.020894] ? mark_held_locks+0x130/0x130 [ 44.020895] __should_failslab+0xba/0xf0 [ 44.020895] should_failslab+0x9/0x14 [ 44.020896] __kmalloc+0x70/0x770 [ 44.020897] ? __lock_is_held+0xb5/0x140 [ 44.020897] ? __tty_buffer_request_room+0x1b3/0x550 [ 44.020898] ? n_tty_receive_buf_common+0x740/0x2bd0 [ 44.020899] __tty_buffer_request_room+0x1b3/0x550 [ 44.020900] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 44.020900] ? do_raw_spin_lock+0xd0/0x240 [ 44.020901] pty_write+0xf3/0x1f0 [ 44.020902] tty_put_char+0x10d/0x130 [ 44.020902] ? dev_match_devt+0x90/0x90 [ 44.020903] ? kasan_check_read+0x11/0x20 [ 44.020904] ? tty_buffer_space_avail+0x56/0xb0 [ 44.020904] ? pty_write_room+0x8f/0xb0 [ 44.020905] __process_echoes+0x311/0x790 [ 44.020906] n_tty_receive_buf_common+0x780/0x2bd0 [ 44.020906] n_tty_receive_buf+0xc/0x10 [ 44.020907] tty_ioctl+0x64e/0x12a0 [ 44.020907] ? tty_vhangup+0x20/0x20 [ 44.020908] ? avc_ss_reset+0x140/0x140 [ 44.020909] ? mark_held_locks+0x130/0x130 [ 44.020909] ? kasan_check_write+0x14/0x20 [ 44.020910] ? proc_fail_nth_write+0x13a/0x180 [ 44.020911] ? proc_cwd_link+0x1b0/0x1b0 [ 44.020911] ? __lock_is_held+0xb5/0x140 [ 44.020912] do_vfs_ioctl+0x199/0x10d0 [ 44.020913] ? ioctl_preallocate+0x1c0/0x1c0 [ 44.020913] ? selinux_file_mprotect+0x5f0/0x5f0 [ 44.020914] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 44.020915] ? ksys_dup3+0x2e0/0x2e0 [ 44.020916] ? kasan_check_write+0x14/0x20 [ 44.020916] ? fput+0x18/0x120 [ 44.020917] ? security_file_ioctl+0x50/0x90 [ 44.020918] ? selinux_file_mprotect+0x5f0/0x5f0 [ 44.020918] ksys_ioctl+0x62/0x90 [ 44.020919] ? lockdep_hardirqs_on+0x421/0x5c0 [ 44.020920] __x64_sys_ioctl+0x6e/0xb0 [ 44.020920] do_syscall_64+0xd6/0x4e0 [ 44.020921] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.020922] RIP: 0033:0x458ca9 [ 44.020923] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 44.020924] RSP: 002b:00007efc1c924c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.020926] RAX: ffffffffffffffda RBX: 00007efc1c924c90 RCX: 0000000000458ca9 [ 44.020927] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 44.020927] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 44.020928] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efc1c9256d4 [ 44.020929] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 44.847471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.856436] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready 2020/11/25 02:23:51 executed programs: 17 [ 44.875828] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.909882] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.140456] FAULT_INJECTION: forcing a failure. [ 45.140456] name failslab, interval 1, probability 0, space 0, times 0 [ 45.151763] CPU: 1 PID: 7254 Comm: syz-executor.2 Not tainted 4.19.160-syzkaller #0 [ 45.159547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.169241] Call Trace: [ 45.171930] dump_stack+0x123/0x177 [ 45.175665] should_fail.cold.4+0x5/0x13 [ 45.179723] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 45.184821] ? mark_held_locks+0x130/0x130 [ 45.189052] __should_failslab+0xba/0xf0 [ 45.193110] should_failslab+0x9/0x14 [ 45.196920] __kmalloc+0x70/0x770 [ 45.200391] ? __tty_buffer_request_room+0x1b3/0x550 [ 45.205499] __tty_buffer_request_room+0x1b3/0x550 [ 45.210424] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 45.215986] ? do_raw_spin_lock+0xd0/0x240 [ 45.220221] pty_write+0xf3/0x1f0 [ 45.223696] tty_put_char+0x10d/0x130 [ 45.227487] ? dev_match_devt+0x90/0x90 [ 45.231451] ? kasan_check_read+0x11/0x20 [ 45.235586] ? tty_buffer_space_avail+0x56/0xb0 [ 45.240245] ? pty_write_room+0x8f/0xb0 [ 45.244208] __process_echoes+0x311/0x790 [ 45.248349] n_tty_receive_buf_common+0x780/0x2bd0 [ 45.253275] n_tty_receive_buf+0xc/0x10 [ 45.257239] tty_ioctl+0x64e/0x12a0 [ 45.260859] ? tty_vhangup+0x20/0x20 [ 45.264572] ? avc_ss_reset+0x140/0x140 [ 45.268544] ? mark_held_locks+0x130/0x130 [ 45.272772] ? kasan_check_write+0x14/0x20 [ 45.277011] ? proc_fail_nth_write+0x13a/0x180 [ 45.281590] ? proc_cwd_link+0x1b0/0x1b0 [ 45.285643] ? __fdget_pos+0xa7/0xd0 [ 45.289354] ? __vfs_write+0xe6/0x890 [ 45.293245] ? __fdget_pos+0xa7/0xd0 [ 45.297045] do_vfs_ioctl+0x199/0x10d0 [ 45.300930] ? ioctl_preallocate+0x1c0/0x1c0 [ 45.305519] ? selinux_file_mprotect+0x5f0/0x5f0 [ 45.310348] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 45.315169] ? ksys_dup3+0x2e0/0x2e0 [ 45.318865] ? kasan_check_write+0x14/0x20 [ 45.323119] ? fput+0x18/0x120 [ 45.326287] ? security_file_ioctl+0x50/0x90 [ 45.330673] ? selinux_file_mprotect+0x5f0/0x5f0 [ 45.335424] ksys_ioctl+0x62/0x90 [ 45.338884] ? trace_hardirqs_off_caller+0x1d/0x180 [ 45.343886] __x64_sys_ioctl+0x6e/0xb0 [ 45.347762] do_syscall_64+0xd6/0x4e0 [ 45.351567] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.356743] RIP: 0033:0x458ca9 [ 45.359925] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.379088] RSP: 002b:00007fcfa6ed9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.386888] RAX: ffffffffffffffda RBX: 00007fcfa6ed9c90 RCX: 0000000000458ca9 [ 45.394142] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 45.401398] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 45.408658] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfa6eda6d4 [ 45.415902] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 45.462628] FAULT_INJECTION: forcing a failure. [ 45.462628] name failslab, interval 1, probability 0, space 0, times 0 [ 45.474014] CPU: 1 PID: 7291 Comm: syz-executor.5 Not tainted 4.19.160-syzkaller #0 [ 45.479640] FAULT_INJECTION: forcing a failure. [ 45.479640] name failslab, interval 1, probability 0, space 0, times 0 [ 45.481794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.502296] Call Trace: [ 45.504862] dump_stack+0x123/0x177 [ 45.508470] should_fail.cold.4+0x5/0x13 [ 45.512506] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 45.517584] ? mark_held_locks+0x130/0x130 [ 45.521795] __should_failslab+0xba/0xf0 [ 45.525831] should_failslab+0x9/0x14 [ 45.529606] __kmalloc+0x70/0x770 [ 45.533037] ? __tty_buffer_request_room+0x1b3/0x550 [ 45.538128] __tty_buffer_request_room+0x1b3/0x550 [ 45.543034] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 45.548547] ? do_raw_spin_lock+0xd0/0x240 [ 45.552770] pty_write+0xf3/0x1f0 [ 45.556207] tty_put_char+0x10d/0x130 [ 45.559983] ? dev_match_devt+0x90/0x90 [ 45.563942] ? kasan_check_read+0x11/0x20 [ 45.568090] ? tty_buffer_space_avail+0x56/0xb0 [ 45.572743] ? pty_write_room+0x8f/0xb0 [ 45.576691] __process_echoes+0x311/0x790 [ 45.580825] n_tty_receive_buf_common+0x780/0x2bd0 [ 45.585733] n_tty_receive_buf+0xc/0x10 [ 45.589690] tty_ioctl+0x64e/0x12a0 [ 45.593291] ? tty_vhangup+0x20/0x20 [ 45.596980] ? avc_ss_reset+0x140/0x140 [ 45.600929] ? mark_held_locks+0x130/0x130 [ 45.605137] ? kasan_check_write+0x14/0x20 [ 45.609350] ? proc_fail_nth_write+0x13a/0x180 [ 45.613917] ? proc_cwd_link+0x1b0/0x1b0 [ 45.617953] ? __fdget_pos+0xa7/0xd0 [ 45.621660] ? __vfs_write+0xe6/0x890 [ 45.625434] ? __fdget_pos+0xa7/0xd0 [ 45.629134] do_vfs_ioctl+0x199/0x10d0 [ 45.632998] ? ioctl_preallocate+0x1c0/0x1c0 [ 45.637380] ? selinux_file_mprotect+0x5f0/0x5f0 [ 45.642118] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 45.646937] ? ksys_dup3+0x2e0/0x2e0 [ 45.650624] ? kasan_check_write+0x14/0x20 [ 45.654845] ? fput+0x18/0x120 [ 45.658019] ? security_file_ioctl+0x50/0x90 [ 45.662401] ? selinux_file_mprotect+0x5f0/0x5f0 [ 45.667132] ksys_ioctl+0x62/0x90 [ 45.670562] ? trace_hardirqs_off_caller+0x1d/0x180 [ 45.675901] __x64_sys_ioctl+0x6e/0xb0 [ 45.681500] do_syscall_64+0xd6/0x4e0 [ 45.685296] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.690464] RIP: 0033:0x458ca9 [ 45.693631] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.712510] RSP: 002b:00007fefb84bcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.720194] RAX: ffffffffffffffda RBX: 00007fefb84bcc90 RCX: 0000000000458ca9 [ 45.727442] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 45.734690] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 45.741934] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefb84bd6d4 [ 45.749180] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 45.756463] CPU: 0 PID: 7289 Comm: syz-executor.4 Not tainted 4.19.160-syzkaller #0 [ 45.764423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.773764] Call Trace: [ 45.776345] dump_stack+0x123/0x177 [ 45.779972] should_fail.cold.4+0x5/0x13 [ 45.784025] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 45.789141] ? mark_held_locks+0x130/0x130 [ 45.793404] __should_failslab+0xba/0xf0 [ 45.797455] should_failslab+0x9/0x14 [ 45.801251] __kmalloc+0x70/0x770 [ 45.804701] ? __tty_buffer_request_room+0x1b3/0x550 [ 45.809896] __tty_buffer_request_room+0x1b3/0x550 [ 45.815985] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 45.821617] ? do_raw_spin_lock+0xd0/0x240 [ 45.825852] pty_write+0xf3/0x1f0 [ 45.829306] tty_put_char+0x10d/0x130 [ 45.833100] ? dev_match_devt+0x90/0x90 [ 45.837067] ? kasan_check_read+0x11/0x20 [ 45.841207] ? tty_buffer_space_avail+0x56/0xb0 [ 45.845868] ? pty_write_room+0x8f/0xb0 [ 45.849835] __process_echoes+0x311/0x790 [ 45.853995] n_tty_receive_buf_common+0x780/0x2bd0 [ 45.858929] n_tty_receive_buf+0xc/0x10 [ 45.862900] tty_ioctl+0x64e/0x12a0 [ 45.866520] ? tty_vhangup+0x20/0x20 [ 45.870232] ? avc_ss_reset+0x140/0x140 [ 45.874236] ? mark_held_locks+0x130/0x130 [ 45.878462] ? kasan_check_write+0x14/0x20 [ 45.882689] ? proc_fail_nth_write+0x13a/0x180 [ 45.887266] ? proc_cwd_link+0x1b0/0x1b0 [ 45.891321] ? __fdget_pos+0xa7/0xd0 [ 45.895029] ? __vfs_write+0xe6/0x890 [ 45.898822] ? __fdget_pos+0xa7/0xd0 [ 45.902541] do_vfs_ioctl+0x199/0x10d0 [ 45.906423] ? ioctl_preallocate+0x1c0/0x1c0 [ 45.910829] ? selinux_file_mprotect+0x5f0/0x5f0 [ 45.915575] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 45.920404] ? ksys_dup3+0x2e0/0x2e0 [ 45.929235] ? kasan_check_write+0x14/0x20 [ 45.933465] ? fput+0x18/0x120 [ 45.936681] ? security_file_ioctl+0x50/0x90 [ 45.941229] ? selinux_file_mprotect+0x5f0/0x5f0 [ 45.945980] ksys_ioctl+0x62/0x90 [ 45.949427] ? trace_hardirqs_off_caller+0x1d/0x180 [ 45.955225] __x64_sys_ioctl+0x6e/0xb0 [ 45.959110] do_syscall_64+0xd6/0x4e0 [ 45.962908] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.968097] RIP: 0033:0x458ca9 [ 45.971283] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.990195] RSP: 002b:00007efc1c924c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.997903] RAX: ffffffffffffffda RBX: 00007efc1c924c90 RCX: 0000000000458ca9 [ 46.005180] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 46.012449] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 46.020019] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efc1c9256d4 [ 46.027280] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 46.093681] FAULT_INJECTION: forcing a failure. [ 46.093681] name failslab, interval 1, probability 0, space 0, times 0 [ 46.093684] FAULT_INJECTION: forcing a failure. [ 46.093684] name failslab, interval 1, probability 0, space 0, times 0 [ 46.093692] CPU: 1 PID: 7336 Comm: syz-executor.1 Not tainted 4.19.160-syzkaller #0 [ 46.123865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.133213] Call Trace: [ 46.135792] dump_stack+0x123/0x177 [ 46.139410] should_fail.cold.4+0x5/0x13 [ 46.143466] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 46.148569] __should_failslab+0xba/0xf0 [ 46.152642] should_failslab+0x9/0x14 [ 46.156510] kmem_cache_alloc+0x47/0x730 [ 46.160579] ? avc_compute_av+0x1b1/0x620 [ 46.164724] ? lock_downgrade+0x860/0x860 [ 46.168878] avc_alloc_node+0x25/0x470 [ 46.172762] avc_compute_av+0x1b9/0x620 [ 46.176730] avc_has_perm_noaudit+0x2dc/0x460 [ 46.181247] ? avc_has_extended_perms+0x1170/0x1170 [ 46.186290] cred_has_capability+0x12e/0x260 [ 46.190692] ? selinux_ipv4_output+0x30/0x30 [ 46.195128] ? _parse_integer+0x100/0x100 [ 46.199278] selinux_capable+0x1b/0x20 [ 46.203164] security_capable+0x5d/0xa0 [ 46.207170] ns_capable_common+0x5e/0xd0 [ 46.211226] capable+0x14/0x20 [ 46.214437] tty_ioctl+0x58c/0x12a0 [ 46.218073] ? tty_vhangup+0x20/0x20 [ 46.221776] ? avc_ss_reset+0x140/0x140 [ 46.225831] ? mark_held_locks+0x130/0x130 [ 46.230069] ? kasan_check_write+0x14/0x20 [ 46.234300] ? proc_fail_nth_write+0x13a/0x180 [ 46.238882] ? proc_cwd_link+0x1b0/0x1b0 [ 46.242935] ? __fdget_pos+0xa7/0xd0 [ 46.246638] ? __vfs_write+0xe6/0x890 [ 46.250433] ? __fdget_pos+0xa7/0xd0 [ 46.254150] do_vfs_ioctl+0x199/0x10d0 [ 46.258054] ? ioctl_preallocate+0x1c0/0x1c0 [ 46.262454] ? selinux_file_mprotect+0x5f0/0x5f0 [ 46.267204] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 46.272047] ? ksys_dup3+0x2e0/0x2e0 [ 46.275754] ? kasan_check_write+0x14/0x20 [ 46.279980] ? fput+0x18/0x120 [ 46.283168] ? security_file_ioctl+0x50/0x90 [ 46.287565] ? selinux_file_mprotect+0x5f0/0x5f0 [ 46.292318] ksys_ioctl+0x62/0x90 [ 46.295760] ? trace_hardirqs_off_caller+0x1d/0x180 [ 46.300769] __x64_sys_ioctl+0x6e/0xb0 [ 46.304655] do_syscall_64+0xd6/0x4e0 [ 46.308437] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.313740] RIP: 0033:0x458ca9 [ 46.317005] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.335904] RSP: 002b:00007f925a0b2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.343613] RAX: ffffffffffffffda RBX: 00007f925a0b2c90 RCX: 0000000000458ca9 [ 46.350875] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 46.358139] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 46.365474] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f925a0b36d4 [ 46.372721] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 46.379978] CPU: 0 PID: 7337 Comm: syz-executor.5 Not tainted 4.19.160-syzkaller #0 [ 46.387786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.397646] Call Trace: [ 46.400226] dump_stack+0x123/0x177 [ 46.403856] should_fail.cold.4+0x5/0x13 [ 46.407912] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 46.413012] ? __this_cpu_preempt_check+0x13/0x20 [ 46.417849] __should_failslab+0xba/0xf0 [ 46.421902] should_failslab+0x9/0x14 [ 46.425690] kmem_cache_alloc+0x47/0x730 [ 46.429813] ? avc_compute_av+0x1b1/0x620 [ 46.433933] ? lock_downgrade+0x860/0x860 [ 46.438068] avc_alloc_node+0x25/0x470 [ 46.441947] avc_compute_av+0x1b9/0x620 [ 46.446154] avc_has_perm_noaudit+0x2dc/0x460 [ 46.450623] ? avc_has_extended_perms+0x1170/0x1170 [ 46.455613] cred_has_capability+0x12e/0x260 [ 46.459993] ? selinux_ipv4_output+0x30/0x30 [ 46.464387] ? _parse_integer+0x100/0x100 [ 46.468598] selinux_capable+0x1b/0x20 [ 46.472456] security_capable+0x5d/0xa0 [ 46.476432] ns_capable_common+0x5e/0xd0 [ 46.480465] capable+0x14/0x20 [ 46.483635] tty_ioctl+0x58c/0x12a0 [ 46.487247] ? tty_vhangup+0x20/0x20 [ 46.490943] ? avc_ss_reset+0x140/0x140 [ 46.494893] ? mark_held_locks+0x130/0x130 [ 46.499102] ? kasan_check_write+0x14/0x20 [ 46.503308] ? proc_fail_nth_write+0x13a/0x180 [ 46.507861] ? proc_cwd_link+0x1b0/0x1b0 [ 46.511893] ? __fdget_pos+0xa7/0xd0 [ 46.515580] ? __vfs_write+0xe6/0x890 [ 46.519352] ? __fdget_pos+0xa7/0xd0 [ 46.523176] do_vfs_ioctl+0x199/0x10d0 [ 46.527135] ? ioctl_preallocate+0x1c0/0x1c0 [ 46.531544] ? selinux_file_mprotect+0x5f0/0x5f0 [ 46.536289] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 46.541113] ? ksys_dup3+0x2e0/0x2e0 [ 46.544890] ? kasan_check_write+0x14/0x20 [ 46.549099] ? fput+0x18/0x120 [ 46.552288] ? security_file_ioctl+0x50/0x90 [ 46.556678] ? selinux_file_mprotect+0x5f0/0x5f0 [ 46.561500] ksys_ioctl+0x62/0x90 [ 46.564944] ? trace_hardirqs_off_caller+0x1d/0x180 [ 46.569953] __x64_sys_ioctl+0x6e/0xb0 [ 46.573822] do_syscall_64+0xd6/0x4e0 [ 46.577602] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.582772] RIP: 0033:0x458ca9 [ 46.585951] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.604829] RSP: 002b:00007fefb84bcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.612510] RAX: ffffffffffffffda RBX: 00007fefb84bcc90 RCX: 0000000000458ca9 [ 46.620101] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 46.627356] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 46.634629] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefb84bd6d4 [ 46.641880] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 46.748331] FAULT_INJECTION: forcing a failure. [ 46.748331] name failslab, interval 1, probability 0, space 0, times 0 [ 46.759552] CPU: 0 PID: 7405 Comm: syz-executor.3 Not tainted 4.19.160-syzkaller #0 [ 46.767345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.776706] Call Trace: [ 46.779294] dump_stack+0x123/0x177 [ 46.782930] should_fail.cold.4+0x5/0x13 [ 46.786990] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 46.792176] ? mark_held_locks+0x130/0x130 [ 46.796553] __should_failslab+0xba/0xf0 [ 46.800608] should_failslab+0x9/0x14 [ 46.804411] __kmalloc+0x70/0x770 [ 46.807864] ? __tty_buffer_request_room+0x1b3/0x550 [ 46.812962] __tty_buffer_request_room+0x1b3/0x550 [ 46.817888] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 46.823458] ? do_raw_spin_lock+0xd0/0x240 [ 46.827704] pty_write+0xf3/0x1f0 [ 46.831160] tty_put_char+0x10d/0x130 [ 46.834953] ? dev_match_devt+0x90/0x90 [ 46.838922] ? kasan_check_read+0x11/0x20 [ 46.843066] ? tty_buffer_space_avail+0x56/0xb0 [ 46.847732] ? pty_write_room+0x8f/0xb0 [ 46.851701] __process_echoes+0x311/0x790 [ 46.855859] n_tty_receive_buf_common+0x780/0x2bd0 [ 46.860782] n_tty_receive_buf+0xc/0x10 [ 46.864737] tty_ioctl+0x64e/0x12a0 [ 46.868349] ? tty_vhangup+0x20/0x20 [ 46.872039] ? avc_ss_reset+0x140/0x140 [ 46.875991] ? mark_held_locks+0x130/0x130 [ 46.880204] ? kasan_check_write+0x14/0x20 [ 46.884415] ? proc_fail_nth_write+0x13a/0x180 [ 46.889091] ? proc_cwd_link+0x1b0/0x1b0 [ 46.893139] ? __fdget_pos+0xa7/0xd0 [ 46.896837] ? __vfs_write+0xe6/0x890 [ 46.900640] ? __fdget_pos+0xa7/0xd0 [ 46.904335] do_vfs_ioctl+0x199/0x10d0 [ 46.908200] ? ioctl_preallocate+0x1c0/0x1c0 [ 46.912595] ? selinux_file_mprotect+0x5f0/0x5f0 [ 46.917351] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 46.922167] ? ksys_dup3+0x2e0/0x2e0 [ 46.925944] ? kasan_check_write+0x14/0x20 [ 46.930167] ? fput+0x18/0x120 [ 46.933343] ? security_file_ioctl+0x50/0x90 [ 46.937726] ? selinux_file_mprotect+0x5f0/0x5f0 [ 46.942465] ksys_ioctl+0x62/0x90 [ 46.945891] ? trace_hardirqs_off_caller+0x1d/0x180 [ 46.950892] __x64_sys_ioctl+0x6e/0xb0 [ 46.954756] do_syscall_64+0xd6/0x4e0 [ 46.960889] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.966050] RIP: 0033:0x458ca9 [ 46.969214] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.988201] RSP: 002b:00007f223c837c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.995985] RAX: ffffffffffffffda RBX: 00007f223c837c90 RCX: 0000000000458ca9 [ 47.003250] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 47.010505] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 47.017919] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f223c8386d4 [ 47.025438] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 47.075605] FAULT_INJECTION: forcing a failure. [ 47.075605] name failslab, interval 1, probability 0, space 0, times 0 [ 47.086821] CPU: 0 PID: 7436 Comm: syz-executor.1 Not tainted 4.19.160-syzkaller #0 [ 47.094681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.104204] Call Trace: [ 47.106787] dump_stack+0x123/0x177 [ 47.110417] should_fail.cold.4+0x5/0x13 [ 47.114477] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 47.119576] ? mark_held_locks+0x130/0x130 [ 47.123807] __should_failslab+0xba/0xf0 [ 47.127862] should_failslab+0x9/0x14 [ 47.131656] __kmalloc+0x70/0x770 [ 47.135112] ? __tty_buffer_request_room+0x1b3/0x550 [ 47.140219] __tty_buffer_request_room+0x1b3/0x550 [ 47.145155] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 47.150686] ? do_raw_spin_lock+0xd0/0x240 [ 47.154949] pty_write+0xf3/0x1f0 [ 47.158399] tty_put_char+0x10d/0x130 [ 47.162194] ? dev_match_devt+0x90/0x90 [ 47.166164] ? kasan_check_read+0x11/0x20 [ 47.170314] ? tty_buffer_space_avail+0x56/0xb0 [ 47.174984] ? pty_write_room+0x8f/0xb0 [ 47.178954] __process_echoes+0x311/0x790 [ 47.183196] n_tty_receive_buf_common+0x780/0x2bd0 [ 47.188124] n_tty_receive_buf+0xc/0x10 [ 47.192098] tty_ioctl+0x64e/0x12a0 [ 47.195729] ? tty_vhangup+0x20/0x20 [ 47.199529] ? avc_ss_reset+0x140/0x140 [ 47.203501] ? mark_held_locks+0x130/0x130 [ 47.207734] ? kasan_check_write+0x14/0x20 [ 47.211959] ? proc_fail_nth_write+0x13a/0x180 [ 47.216540] ? proc_cwd_link+0x1b0/0x1b0 [ 47.220591] ? __fdget_pos+0xa7/0xd0 [ 47.224297] ? __vfs_write+0xe6/0x890 [ 47.228192] ? __fdget_pos+0xa7/0xd0 [ 47.231920] do_vfs_ioctl+0x199/0x10d0 [ 47.235804] ? ioctl_preallocate+0x1c0/0x1c0 [ 47.240211] ? selinux_file_mprotect+0x5f0/0x5f0 [ 47.244959] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 47.249797] ? ksys_dup3+0x2e0/0x2e0 [ 47.253500] ? kasan_check_write+0x14/0x20 [ 47.257725] ? fput+0x18/0x120 [ 47.260910] ? security_file_ioctl+0x50/0x90 [ 47.265315] ? selinux_file_mprotect+0x5f0/0x5f0 [ 47.270065] ksys_ioctl+0x62/0x90 [ 47.273509] ? trace_hardirqs_off_caller+0x1d/0x180 [ 47.278875] __x64_sys_ioctl+0x6e/0xb0 [ 47.282761] do_syscall_64+0xd6/0x4e0 [ 47.286550] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.292495] RIP: 0033:0x458ca9 [ 47.295748] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.314678] RSP: 002b:00007f925a0b2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.322361] RAX: ffffffffffffffda RBX: 00007f925a0b2c90 RCX: 0000000000458ca9 [ 47.329616] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 47.336954] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 47.344202] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f925a0b36d4 [ 47.351466] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 47.377307] FAULT_INJECTION: forcing a failure. [ 47.377307] name failslab, interval 1, probability 0, space 0, times 0 [ 47.388526] CPU: 0 PID: 7469 Comm: syz-executor.2 Not tainted 4.19.160-syzkaller #0 [ 47.396320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.398498] FAULT_INJECTION: forcing a failure. [ 47.398498] name failslab, interval 1, probability 0, space 0, times 0 [ 47.405753] Call Trace: [ 47.420191] dump_stack+0x123/0x177 [ 47.423796] should_fail.cold.4+0x5/0x13 [ 47.427833] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 47.432913] ? mark_held_locks+0x130/0x130 [ 47.437132] __should_failslab+0xba/0xf0 [ 47.441178] should_failslab+0x9/0x14 [ 47.444953] __kmalloc+0x70/0x770 [ 47.448380] ? __tty_buffer_request_room+0x1b3/0x550 [ 47.453460] __tty_buffer_request_room+0x1b3/0x550 [ 47.458366] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 47.463894] ? do_raw_spin_lock+0xd0/0x240 [ 47.468370] pty_write+0xf3/0x1f0 [ 47.471814] tty_put_char+0x10d/0x130 [ 47.475590] ? dev_match_devt+0x90/0x90 [ 47.479536] ? kasan_check_read+0x11/0x20 [ 47.483657] ? tty_buffer_space_avail+0x56/0xb0 [ 47.488305] ? pty_write_room+0x8f/0xb0 [ 47.492251] __process_echoes+0x311/0x790 [ 47.496376] n_tty_receive_buf_common+0x780/0x2bd0 [ 47.501290] n_tty_receive_buf+0xc/0x10 [ 47.505414] tty_ioctl+0x64e/0x12a0 [ 47.509015] ? tty_vhangup+0x20/0x20 [ 47.512714] ? avc_ss_reset+0x140/0x140 [ 47.516666] ? mark_held_locks+0x130/0x130 [ 47.520875] ? kasan_check_write+0x14/0x20 [ 47.525084] ? proc_fail_nth_write+0x13a/0x180 [ 47.529645] ? proc_cwd_link+0x1b0/0x1b0 [ 47.533686] ? __fdget_pos+0xa7/0xd0 [ 47.538766] ? __vfs_write+0xe6/0x890 [ 47.542548] ? __fdget_pos+0xa7/0xd0 [ 47.546326] do_vfs_ioctl+0x199/0x10d0 [ 47.550203] ? ioctl_preallocate+0x1c0/0x1c0 [ 47.554588] ? selinux_file_mprotect+0x5f0/0x5f0 [ 47.559326] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 47.564146] ? ksys_dup3+0x2e0/0x2e0 [ 47.567941] ? kasan_check_write+0x14/0x20 [ 47.572159] ? fput+0x18/0x120 [ 47.575327] ? security_file_ioctl+0x50/0x90 [ 47.579712] ? selinux_file_mprotect+0x5f0/0x5f0 [ 47.584441] ksys_ioctl+0x62/0x90 [ 47.587867] ? trace_hardirqs_off_caller+0x1d/0x180 [ 47.592857] __x64_sys_ioctl+0x6e/0xb0 [ 47.596721] do_syscall_64+0xd6/0x4e0 [ 47.600511] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.605684] RIP: 0033:0x458ca9 [ 47.608873] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.627943] RSP: 002b:00007fcfa6ed9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.635623] RAX: ffffffffffffffda RBX: 00007fcfa6ed9c90 RCX: 0000000000458ca9 [ 47.642878] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 47.650123] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 47.657368] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfa6eda6d4 [ 47.664612] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 47.671967] CPU: 1 PID: 7473 Comm: syz-executor.3 Not tainted 4.19.160-syzkaller #0 [ 47.679758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.689192] Call Trace: [ 47.691777] dump_stack+0x123/0x177 [ 47.695397] should_fail.cold.4+0x5/0x13 [ 47.699461] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 47.704653] ? mark_held_locks+0x130/0x130 [ 47.708888] __should_failslab+0xba/0xf0 [ 47.712943] should_failslab+0x9/0x14 [ 47.716736] __kmalloc+0x70/0x770 [ 47.720202] ? __tty_buffer_request_room+0x1b3/0x550 [ 47.725299] __tty_buffer_request_room+0x1b3/0x550 [ 47.730222] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 47.735753] ? do_raw_spin_lock+0xd0/0x240 [ 47.740033] pty_write+0xf3/0x1f0 [ 47.743481] tty_put_char+0x10d/0x130 [ 47.747278] ? dev_match_devt+0x90/0x90 [ 47.751251] ? kasan_check_read+0x11/0x20 [ 47.755389] ? tty_buffer_space_avail+0x56/0xb0 [ 47.760048] ? pty_write_room+0x8f/0xb0 [ 47.764020] __process_echoes+0x311/0x790 [ 47.768165] n_tty_receive_buf_common+0x780/0x2bd0 [ 47.773090] n_tty_receive_buf+0xc/0x10 [ 47.777054] tty_ioctl+0x64e/0x12a0 [ 47.780681] ? tty_vhangup+0x20/0x20 [ 47.784390] ? avc_ss_reset+0x140/0x140 [ 47.788362] ? mark_held_locks+0x130/0x130 [ 47.792586] ? kasan_check_write+0x14/0x20 [ 47.796818] ? proc_fail_nth_write+0x13a/0x180 [ 47.801396] ? proc_cwd_link+0x1b0/0x1b0 [ 47.805447] ? __fdget_pos+0xa7/0xd0 [ 47.809160] ? __vfs_write+0xe6/0x890 [ 47.812950] ? __fdget_pos+0xa7/0xd0 [ 47.816656] do_vfs_ioctl+0x199/0x10d0 [ 47.820538] ? ioctl_preallocate+0x1c0/0x1c0 [ 47.824940] ? selinux_file_mprotect+0x5f0/0x5f0 [ 47.829693] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 47.834533] ? ksys_dup3+0x2e0/0x2e0 [ 47.838238] ? kasan_check_write+0x14/0x20 [ 47.842467] ? fput+0x18/0x120 [ 47.845656] ? security_file_ioctl+0x50/0x90 [ 47.850487] ? selinux_file_mprotect+0x5f0/0x5f0 [ 47.855231] ksys_ioctl+0x62/0x90 [ 47.858658] ? trace_hardirqs_off_caller+0x1d/0x180 [ 47.863798] __x64_sys_ioctl+0x6e/0xb0 [ 47.867663] do_syscall_64+0xd6/0x4e0 [ 47.871438] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.876602] RIP: 0033:0x458ca9 [ 47.879770] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.899084] RSP: 002b:00007f223c837c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.907319] RAX: ffffffffffffffda RBX: 00007f223c837c90 RCX: 0000000000458ca9 [ 47.914583] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 47.921845] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 47.929089] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f223c8386d4 [ 47.936344] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 48.081331] FAULT_INJECTION: forcing a failure. [ 48.081331] name failslab, interval 1, probability 0, space 0, times 0 [ 48.088032] FAULT_INJECTION: forcing a failure. [ 48.088032] name failslab, interval 1, probability 0, space 0, times 0 [ 48.092548] CPU: 1 PID: 7555 Comm: syz-executor.2 Not tainted 4.19.160-syzkaller #0 [ 48.111822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.121152] Call Trace: [ 48.123727] dump_stack+0x123/0x177 [ 48.127424] should_fail.cold.4+0x5/0x13 [ 48.131471] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 48.136562] ? mark_held_locks+0x130/0x130 [ 48.140859] __should_failslab+0xba/0xf0 [ 48.144913] should_failslab+0x9/0x14 [ 48.148696] __kmalloc+0x70/0x770 [ 48.152131] ? __tty_buffer_request_room+0x1b3/0x550 [ 48.157225] __tty_buffer_request_room+0x1b3/0x550 [ 48.162132] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 48.167646] ? do_raw_spin_lock+0xd0/0x240 [ 48.172052] pty_write+0xf3/0x1f0 [ 48.175497] tty_put_char+0x10d/0x130 [ 48.179275] ? dev_match_devt+0x90/0x90 [ 48.183227] ? kasan_check_read+0x11/0x20 [ 48.187364] ? tty_buffer_space_avail+0x56/0xb0 [ 48.192008] ? pty_write_room+0x8f/0xb0 [ 48.196316] __process_echoes+0x311/0x790 [ 48.200453] n_tty_receive_buf_common+0x780/0x2bd0 [ 48.205366] n_tty_receive_buf+0xc/0x10 [ 48.209314] tty_ioctl+0x64e/0x12a0 [ 48.212924] ? tty_vhangup+0x20/0x20 [ 48.216613] ? avc_ss_reset+0x140/0x140 [ 48.220663] ? mark_held_locks+0x130/0x130 [ 48.224871] ? kasan_check_write+0x14/0x20 [ 48.229080] ? proc_fail_nth_write+0x13a/0x180 [ 48.233647] ? proc_cwd_link+0x1b0/0x1b0 [ 48.238820] ? __fdget_pos+0xa7/0xd0 [ 48.242512] ? __vfs_write+0xe6/0x890 [ 48.246288] ? __fdget_pos+0xa7/0xd0 [ 48.249995] do_vfs_ioctl+0x199/0x10d0 [ 48.253862] ? ioctl_preallocate+0x1c0/0x1c0 [ 48.258246] ? selinux_file_mprotect+0x5f0/0x5f0 [ 48.262980] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 48.267817] ? ksys_dup3+0x2e0/0x2e0 [ 48.271509] ? kasan_check_write+0x14/0x20 [ 48.275721] ? fput+0x18/0x120 [ 48.278890] ? security_file_ioctl+0x50/0x90 [ 48.283271] ? selinux_file_mprotect+0x5f0/0x5f0 [ 48.288004] ksys_ioctl+0x62/0x90 [ 48.291432] ? trace_hardirqs_off_caller+0x1d/0x180 [ 48.296427] __x64_sys_ioctl+0x6e/0xb0 [ 48.300310] do_syscall_64+0xd6/0x4e0 [ 48.304100] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.309320] RIP: 0033:0x458ca9 [ 48.312493] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.332633] RSP: 002b:00007fcfa6ed9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.340436] RAX: ffffffffffffffda RBX: 00007fcfa6ed9c90 RCX: 0000000000458ca9 [ 48.347698] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 48.354947] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 48.362196] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfa6eda6d4 [ 48.369449] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 48.376722] CPU: 0 PID: 7561 Comm: syz-executor.4 Not tainted 4.19.160-syzkaller #0 [ 48.384526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.393961] Call Trace: [ 48.398508] FAULT_INJECTION: forcing a failure. [ 48.398508] name failslab, interval 1, probability 0, space 0, times 0 [ 48.400907] dump_stack+0x123/0x177 [ 48.415757] should_fail.cold.4+0x5/0x13 [ 48.419796] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 48.425158] ? mark_held_locks+0x130/0x130 [ 48.429382] __should_failslab+0xba/0xf0 [ 48.433432] should_failslab+0x9/0x14 [ 48.437221] __kmalloc+0x70/0x770 [ 48.440652] ? __tty_buffer_request_room+0x1b3/0x550 [ 48.445731] __tty_buffer_request_room+0x1b3/0x550 [ 48.450638] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 48.456267] ? do_raw_spin_lock+0xd0/0x240 [ 48.460479] pty_write+0xf3/0x1f0 [ 48.463910] tty_put_char+0x10d/0x130 [ 48.467688] ? dev_match_devt+0x90/0x90 [ 48.471636] ? kasan_check_read+0x11/0x20 [ 48.475788] ? tty_buffer_space_avail+0x56/0xb0 [ 48.480436] ? pty_write_room+0x8f/0xb0 [ 48.484408] __process_echoes+0x311/0x790 [ 48.488536] n_tty_receive_buf_common+0x780/0x2bd0 [ 48.494245] n_tty_receive_buf+0xc/0x10 [ 48.498652] tty_ioctl+0x64e/0x12a0 [ 48.502526] ? tty_vhangup+0x20/0x20 [ 48.506217] ? avc_ss_reset+0x140/0x140 [ 48.510371] ? mark_held_locks+0x130/0x130 [ 48.514703] ? kasan_check_write+0x14/0x20 [ 48.519176] ? proc_fail_nth_write+0x13a/0x180 [ 48.523761] ? proc_cwd_link+0x1b0/0x1b0 [ 48.527806] ? __fdget_pos+0xa7/0xd0 [ 48.531520] ? __vfs_write+0xe6/0x890 [ 48.535295] ? __fdget_pos+0xa7/0xd0 [ 48.538986] do_vfs_ioctl+0x199/0x10d0 [ 48.542865] ? ioctl_preallocate+0x1c0/0x1c0 [ 48.547265] ? selinux_file_mprotect+0x5f0/0x5f0 [ 48.552449] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 48.557286] ? ksys_dup3+0x2e0/0x2e0 [ 48.561062] ? kasan_check_write+0x14/0x20 [ 48.565285] ? fput+0x18/0x120 [ 48.568458] ? security_file_ioctl+0x50/0x90 [ 48.572844] ? selinux_file_mprotect+0x5f0/0x5f0 [ 48.577577] ksys_ioctl+0x62/0x90 [ 48.581006] ? trace_hardirqs_off_caller+0x1d/0x180 [ 48.586617] __x64_sys_ioctl+0x6e/0xb0 [ 48.590680] do_syscall_64+0xd6/0x4e0 [ 48.594459] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.599625] RIP: 0033:0x458ca9 [ 48.602815] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.621869] RSP: 002b:00007efc1c924c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.629553] RAX: ffffffffffffffda RBX: 00007efc1c924c90 RCX: 0000000000458ca9 [ 48.636800] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 48.644052] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 48.651312] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efc1c9256d4 [ 48.658560] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 48.665872] CPU: 1 PID: 7564 Comm: syz-executor.1 Not tainted 4.19.160-syzkaller #0 [ 48.673682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.683038] Call Trace: [ 48.685621] dump_stack+0x123/0x177 [ 48.690019] should_fail.cold.4+0x5/0x13 [ 48.694075] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 48.699209] ? mark_held_locks+0x130/0x130 [ 48.703476] __should_failslab+0xba/0xf0 [ 48.707530] should_failslab+0x9/0x14 [ 48.711325] __kmalloc+0x70/0x770 [ 48.714772] ? __tty_buffer_request_room+0x1b3/0x550 [ 48.719871] __tty_buffer_request_room+0x1b3/0x550 [ 48.724819] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 48.730360] ? do_raw_spin_lock+0xd0/0x240 [ 48.734589] pty_write+0xf3/0x1f0 [ 48.738040] tty_put_char+0x10d/0x130 [ 48.741832] ? dev_match_devt+0x90/0x90 [ 48.745828] ? kasan_check_read+0x11/0x20 [ 48.749970] ? tty_buffer_space_avail+0x56/0xb0 [ 48.756894] ? pty_write_room+0x8f/0xb0 [ 48.760869] __process_echoes+0x311/0x790 [ 48.765016] n_tty_receive_buf_common+0x780/0x2bd0 [ 48.769945] n_tty_receive_buf+0xc/0x10 [ 48.773916] tty_ioctl+0x64e/0x12a0 [ 48.777537] ? tty_vhangup+0x20/0x20 [ 48.781243] ? avc_ss_reset+0x140/0x140 [ 48.785211] ? mark_held_locks+0x130/0x130 [ 48.789441] ? kasan_check_write+0x14/0x20 [ 48.793689] ? proc_fail_nth_write+0x13a/0x180 [ 48.798269] ? proc_cwd_link+0x1b0/0x1b0 [ 48.802330] ? __fdget_pos+0xa7/0xd0 [ 48.806042] ? __vfs_write+0xe6/0x890 [ 48.809838] ? __fdget_pos+0xa7/0xd0 [ 48.813549] do_vfs_ioctl+0x199/0x10d0 [ 48.817473] ? ioctl_preallocate+0x1c0/0x1c0 [ 48.821879] ? selinux_file_mprotect+0x5f0/0x5f0 [ 48.826629] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 48.831468] ? ksys_dup3+0x2e0/0x2e0 [ 48.835178] ? kasan_check_write+0x14/0x20 [ 48.839404] ? fput+0x18/0x120 [ 48.842591] ? security_file_ioctl+0x50/0x90 [ 48.847019] ? selinux_file_mprotect+0x5f0/0x5f0 [ 48.851768] ksys_ioctl+0x62/0x90 [ 48.855216] ? trace_hardirqs_off_caller+0x1d/0x180 [ 48.860235] __x64_sys_ioctl+0x6e/0xb0 [ 48.864119] do_syscall_64+0xd6/0x4e0 [ 48.867912] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.873090] RIP: 0033:0x458ca9 [ 48.876270] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.895171] RSP: 002b:00007f925a0b2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.902875] RAX: ffffffffffffffda RBX: 00007f925a0b2c90 RCX: 0000000000458ca9 [ 48.910138] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 48.917410] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 48.924683] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f925a0b36d4 [ 48.931935] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 48.978163] FAULT_INJECTION: forcing a failure. [ 48.978163] name failslab, interval 1, probability 0, space 0, times 0 [ 48.989611] CPU: 1 PID: 7599 Comm: syz-executor.3 Not tainted 4.19.160-syzkaller #0 [ 48.998078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.007638] Call Trace: [ 49.010336] dump_stack+0x123/0x177 [ 49.015355] should_fail.cold.4+0x5/0x13 [ 49.019447] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 49.024552] ? mark_held_locks+0x130/0x130 [ 49.028884] __should_failslab+0xba/0xf0 [ 49.032974] should_failslab+0x9/0x14 [ 49.036775] __kmalloc+0x70/0x770 [ 49.040229] ? __tty_buffer_request_room+0x1b3/0x550 [ 49.045330] __tty_buffer_request_room+0x1b3/0x550 [ 49.050271] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 49.055805] ? do_raw_spin_lock+0xd0/0x240 [ 49.060040] pty_write+0xf3/0x1f0 [ 49.063496] tty_put_char+0x10d/0x130 [ 49.067308] ? dev_match_devt+0x90/0x90 [ 49.071278] ? kasan_check_read+0x11/0x20 [ 49.075418] ? tty_buffer_space_avail+0x56/0xb0 [ 49.080119] ? pty_write_room+0x8f/0xb0 [ 49.084201] __process_echoes+0x311/0x790 [ 49.088387] n_tty_receive_buf_common+0x780/0x2bd0 [ 49.093420] n_tty_receive_buf+0xc/0x10 [ 49.097393] tty_ioctl+0x64e/0x12a0 [ 49.101018] ? tty_vhangup+0x20/0x20 [ 49.104738] ? avc_ss_reset+0x140/0x140 [ 49.108742] ? mark_held_locks+0x130/0x130 [ 49.112972] ? kasan_check_write+0x14/0x20 [ 49.117204] ? proc_fail_nth_write+0x13a/0x180 [ 49.121780] ? proc_cwd_link+0x1b0/0x1b0 [ 49.125835] ? __fdget_pos+0xa7/0xd0 [ 49.129545] ? __vfs_write+0xe6/0x890 [ 49.133346] ? __fdget_pos+0xa7/0xd0 [ 49.137062] do_vfs_ioctl+0x199/0x10d0 [ 49.141031] ? ioctl_preallocate+0x1c0/0x1c0 [ 49.145445] ? selinux_file_mprotect+0x5f0/0x5f0 [ 49.150204] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 49.155052] ? ksys_dup3+0x2e0/0x2e0 [ 49.158923] ? kasan_check_write+0x14/0x20 [ 49.163168] ? fput+0x18/0x120 [ 49.166369] ? security_file_ioctl+0x50/0x90 [ 49.170785] ? selinux_file_mprotect+0x5f0/0x5f0 [ 49.175644] ksys_ioctl+0x62/0x90 [ 49.179319] ? trace_hardirqs_off_caller+0x1d/0x180 [ 49.184334] __x64_sys_ioctl+0x6e/0xb0 [ 49.188235] do_syscall_64+0xd6/0x4e0 [ 49.192730] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.197912] RIP: 0033:0x458ca9 [ 49.201106] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.220744] RSP: 002b:00007f223c837c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.228446] RAX: ffffffffffffffda RBX: 00007f223c837c90 RCX: 0000000000458ca9 [ 49.235711] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 49.242986] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 49.250250] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f223c8386d4 [ 49.257516] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 49.287989] FAULT_INJECTION: forcing a failure. [ 49.287989] name failslab, interval 1, probability 0, space 0, times 0 [ 49.299209] CPU: 1 PID: 7643 Comm: syz-executor.0 Not tainted 4.19.160-syzkaller #0 [ 49.307023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.317039] Call Trace: [ 49.319679] dump_stack+0x123/0x177 [ 49.323294] should_fail.cold.4+0x5/0x13 [ 49.327340] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 49.332437] ? mark_held_locks+0x130/0x130 [ 49.336665] __should_failslab+0xba/0xf0 [ 49.340716] should_failslab+0x9/0x14 [ 49.344504] __kmalloc+0x70/0x770 [ 49.347941] ? __tty_buffer_request_room+0x1b3/0x550 [ 49.353028] __tty_buffer_request_room+0x1b3/0x550 [ 49.357945] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 49.363499] ? do_raw_spin_lock+0xd0/0x240 [ 49.367720] pty_write+0xf3/0x1f0 [ 49.371161] tty_put_char+0x10d/0x130 [ 49.374960] ? dev_match_devt+0x90/0x90 [ 49.378975] ? kasan_check_read+0x11/0x20 [ 49.383103] ? tty_buffer_space_avail+0x56/0xb0 [ 49.387935] ? pty_write_room+0x8f/0xb0 [ 49.391906] __process_echoes+0x311/0x790 [ 49.396050] n_tty_receive_buf_common+0x780/0x2bd0 [ 49.400963] n_tty_receive_buf+0xc/0x10 [ 49.404924] tty_ioctl+0x64e/0x12a0 [ 49.408619] ? tty_vhangup+0x20/0x20 [ 49.412319] ? avc_ss_reset+0x140/0x140 [ 49.416272] ? mark_held_locks+0x130/0x130 [ 49.421648] ? kasan_check_write+0x14/0x20 [ 49.425863] ? proc_fail_nth_write+0x13a/0x180 [ 49.430427] ? proc_cwd_link+0x1b0/0x1b0 [ 49.434463] ? __fdget_pos+0xa7/0xd0 [ 49.438175] ? __vfs_write+0xe6/0x890 [ 49.442089] ? __fdget_pos+0xa7/0xd0 [ 49.445795] do_vfs_ioctl+0x199/0x10d0 [ 49.449678] ? ioctl_preallocate+0x1c0/0x1c0 [ 49.454080] ? selinux_file_mprotect+0x5f0/0x5f0 [ 49.458820] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 49.463751] ? ksys_dup3+0x2e0/0x2e0 [ 49.467539] ? kasan_check_write+0x14/0x20 [ 49.472106] ? fput+0x18/0x120 [ 49.475295] ? security_file_ioctl+0x50/0x90 [ 49.479685] ? selinux_file_mprotect+0x5f0/0x5f0 [ 49.484425] ksys_ioctl+0x62/0x90 [ 49.487907] ? trace_hardirqs_off_caller+0x1d/0x180 [ 49.493375] __x64_sys_ioctl+0x6e/0xb0 [ 49.497259] do_syscall_64+0xd6/0x4e0 [ 49.501066] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.506253] RIP: 0033:0x458ca9 [ 49.509442] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.528671] RSP: 002b:00007fa50ab0cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.536355] RAX: ffffffffffffffda RBX: 00007fa50ab0cc90 RCX: 0000000000458ca9 [ 49.543607] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 49.550869] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 49.558126] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa50ab0d6d4 [ 49.565559] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 49.685907] FAULT_INJECTION: forcing a failure. [ 49.685907] name failslab, interval 1, probability 0, space 0, times 0 [ 49.697138] CPU: 0 PID: 7695 Comm: syz-executor.4 Not tainted 4.19.160-syzkaller #0 [ 49.699908] FAULT_INJECTION: forcing a failure. [ 49.699908] name failslab, interval 1, probability 0, space 0, times 0 [ 49.704923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.726203] Call Trace: [ 49.728794] dump_stack+0x123/0x177 [ 49.732400] should_fail.cold.4+0x5/0x13 [ 49.736522] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 49.741622] ? mark_held_locks+0x130/0x130 [ 49.745836] __should_failslab+0xba/0xf0 [ 49.749889] should_failslab+0x9/0x14 [ 49.754272] __kmalloc+0x70/0x770 [ 49.757703] ? __tty_buffer_request_room+0x1b3/0x550 [ 49.762787] __tty_buffer_request_room+0x1b3/0x550 [ 49.767695] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 49.773210] ? do_raw_spin_lock+0xd0/0x240 [ 49.777437] pty_write+0xf3/0x1f0 [ 49.780888] tty_put_char+0x10d/0x130 [ 49.784666] ? dev_match_devt+0x90/0x90 [ 49.788623] ? kasan_check_read+0x11/0x20 [ 49.792761] ? tty_buffer_space_avail+0x56/0xb0 [ 49.797431] ? pty_write_room+0x8f/0xb0 [ 49.801396] __process_echoes+0x311/0x790 [ 49.805524] n_tty_receive_buf_common+0x780/0x2bd0 [ 49.810437] n_tty_receive_buf+0xc/0x10 [ 49.814387] tty_ioctl+0x64e/0x12a0 [ 49.817991] ? tty_vhangup+0x20/0x20 [ 49.821682] ? avc_ss_reset+0x140/0x140 [ 49.825640] ? mark_held_locks+0x130/0x130 [ 49.829864] ? kasan_check_write+0x14/0x20 [ 49.834109] ? proc_fail_nth_write+0x13a/0x180 [ 49.838678] ? proc_cwd_link+0x1b0/0x1b0 [ 49.842718] ? __fdget_pos+0xa7/0xd0 [ 49.846418] ? __vfs_write+0xe6/0x890 [ 49.850216] ? __fdget_pos+0xa7/0xd0 [ 49.853908] do_vfs_ioctl+0x199/0x10d0 [ 49.857772] ? ioctl_preallocate+0x1c0/0x1c0 [ 49.862172] ? selinux_file_mprotect+0x5f0/0x5f0 [ 49.866940] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 49.871847] ? ksys_dup3+0x2e0/0x2e0 [ 49.875536] ? kasan_check_write+0x14/0x20 [ 49.881754] ? fput+0x18/0x120 [ 49.884924] ? security_file_ioctl+0x50/0x90 [ 49.889306] ? selinux_file_mprotect+0x5f0/0x5f0 [ 49.894048] ksys_ioctl+0x62/0x90 [ 49.897475] ? trace_hardirqs_off_caller+0x1d/0x180 [ 49.902481] __x64_sys_ioctl+0x6e/0xb0 [ 49.906363] do_syscall_64+0xd6/0x4e0 [ 49.910154] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.915340] RIP: 0033:0x458ca9 [ 49.918512] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.937393] RSP: 002b:00007efc1c924c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.945076] RAX: ffffffffffffffda RBX: 00007efc1c924c90 RCX: 0000000000458ca9 [ 49.952322] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 49.959574] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 49.966829] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efc1c9256d4 [ 49.974088] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 2020/11/25 02:23:56 executed programs: 197 [ 49.981359] CPU: 1 PID: 7699 Comm: syz-executor.5 Not tainted 4.19.160-syzkaller #0 [ 49.989152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.998608] Call Trace: [ 50.001192] dump_stack+0x123/0x177 [ 50.004818] should_fail.cold.4+0x5/0x13 [ 50.008915] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 50.014028] ? mark_held_locks+0x130/0x130 [ 50.018267] __should_failslab+0xba/0xf0 [ 50.022332] should_failslab+0x9/0x14 [ 50.026335] __kmalloc+0x70/0x770 [ 50.029958] ? __tty_buffer_request_room+0x1b3/0x550 [ 50.035075] __tty_buffer_request_room+0x1b3/0x550 [ 50.040003] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 50.045538] ? do_raw_spin_lock+0xd0/0x240 [ 50.050561] pty_write+0xf3/0x1f0 [ 50.054012] tty_put_char+0x10d/0x130 [ 50.058091] ? dev_match_devt+0x90/0x90 [ 50.062142] ? kasan_check_read+0x11/0x20 [ 50.066288] ? tty_buffer_space_avail+0x56/0xb0 [ 50.070969] ? pty_write_room+0x8f/0xb0 [ 50.074952] __process_echoes+0x311/0x790 [ 50.079099] n_tty_receive_buf_common+0x780/0x2bd0 [ 50.084029] n_tty_receive_buf+0xc/0x10 [ 50.087998] tty_ioctl+0x64e/0x12a0 [ 50.091624] ? tty_vhangup+0x20/0x20 [ 50.095339] ? avc_ss_reset+0x140/0x140 [ 50.099319] ? mark_held_locks+0x130/0x130 [ 50.103556] ? kasan_check_write+0x14/0x20 [ 50.107788] ? proc_fail_nth_write+0x13a/0x180 [ 50.112365] ? proc_cwd_link+0x1b0/0x1b0 [ 50.116433] ? __fdget_pos+0xa7/0xd0 [ 50.120146] ? __vfs_write+0xe6/0x890 [ 50.123943] ? __fdget_pos+0xa7/0xd0 [ 50.127655] do_vfs_ioctl+0x199/0x10d0 [ 50.131542] ? ioctl_preallocate+0x1c0/0x1c0 [ 50.135956] ? selinux_file_mprotect+0x5f0/0x5f0 [ 50.140710] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 50.145553] ? ksys_dup3+0x2e0/0x2e0 [ 50.149271] ? kasan_check_write+0x14/0x20 [ 50.153501] ? fput+0x18/0x120 [ 50.156692] ? security_file_ioctl+0x50/0x90 [ 50.161092] ? selinux_file_mprotect+0x5f0/0x5f0 [ 50.165840] ksys_ioctl+0x62/0x90 [ 50.169286] ? trace_hardirqs_off_caller+0x1d/0x180 [ 50.174300] __x64_sys_ioctl+0x6e/0xb0 [ 50.178211] do_syscall_64+0xd6/0x4e0 [ 50.182015] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.187203] RIP: 0033:0x458ca9 [ 50.190384] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.209278] RSP: 002b:00007fefb84bcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.216986] RAX: ffffffffffffffda RBX: 00007fefb84bcc90 RCX: 0000000000458ca9 [ 50.224252] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 50.231517] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 50.238859] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefb84bd6d4 [ 50.246110] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 50.357809] FAULT_INJECTION: forcing a failure. [ 50.357809] name failslab, interval 1, probability 0, space 0, times 0 [ 50.369023] CPU: 0 PID: 7771 Comm: syz-executor.2 Not tainted 4.19.160-syzkaller #0 [ 50.376810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.386272] Call Trace: [ 50.388858] dump_stack+0x123/0x177 [ 50.392487] should_fail.cold.4+0x5/0x13 [ 50.396544] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 50.401644] ? mark_held_locks+0x130/0x130 [ 50.406056] __should_failslab+0xba/0xf0 [ 50.410121] should_failslab+0x9/0x14 [ 50.413921] __kmalloc+0x70/0x770 [ 50.417374] ? __tty_buffer_request_room+0x1b3/0x550 [ 50.422477] __tty_buffer_request_room+0x1b3/0x550 [ 50.427443] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 50.433327] ? do_raw_spin_lock+0xd0/0x240 [ 50.437561] pty_write+0xf3/0x1f0 [ 50.441010] tty_put_char+0x10d/0x130 [ 50.444818] ? dev_match_devt+0x90/0x90 [ 50.448785] ? kasan_check_read+0x11/0x20 [ 50.452930] ? tty_buffer_space_avail+0x56/0xb0 [ 50.457593] ? pty_write_room+0x8f/0xb0 [ 50.461563] __process_echoes+0x311/0x790 [ 50.465702] n_tty_receive_buf_common+0x780/0x2bd0 [ 50.470894] n_tty_receive_buf+0xc/0x10 [ 50.475131] tty_ioctl+0x64e/0x12a0 [ 50.478785] ? tty_vhangup+0x20/0x20 [ 50.482594] ? avc_ss_reset+0x140/0x140 [ 50.486549] ? mark_held_locks+0x130/0x130 [ 50.490761] ? kasan_check_write+0x14/0x20 [ 50.494973] ? proc_fail_nth_write+0x13a/0x180 [ 50.499528] ? proc_cwd_link+0x1b0/0x1b0 [ 50.503565] ? __fdget_pos+0xa7/0xd0 [ 50.507252] ? __vfs_write+0xe6/0x890 [ 50.511025] ? __fdget_pos+0xa7/0xd0 [ 50.514716] do_vfs_ioctl+0x199/0x10d0 [ 50.518594] ? ioctl_preallocate+0x1c0/0x1c0 [ 50.522983] ? selinux_file_mprotect+0x5f0/0x5f0 [ 50.527712] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 50.532538] ? ksys_dup3+0x2e0/0x2e0 [ 50.536245] ? kasan_check_write+0x14/0x20 [ 50.540453] ? fput+0x18/0x120 [ 50.543620] ? security_file_ioctl+0x50/0x90 [ 50.547999] ? selinux_file_mprotect+0x5f0/0x5f0 [ 50.552745] ksys_ioctl+0x62/0x90 [ 50.556176] ? trace_hardirqs_off_caller+0x1d/0x180 [ 50.561183] __x64_sys_ioctl+0x6e/0xb0 [ 50.565060] do_syscall_64+0xd6/0x4e0 [ 50.568859] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.574041] RIP: 0033:0x458ca9 [ 50.577222] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.596191] RSP: 002b:00007fcfa6ed9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.603873] RAX: ffffffffffffffda RBX: 00007fcfa6ed9c90 RCX: 0000000000458ca9 [ 50.611119] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 50.618368] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 50.625810] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfa6eda6d4 [ 50.633056] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 50.667805] FAULT_INJECTION: forcing a failure. [ 50.667805] name failslab, interval 1, probability 0, space 0, times 0 [ 50.679021] CPU: 0 PID: 7791 Comm: syz-executor.1 Not tainted 4.19.160-syzkaller #0 [ 50.686834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.686906] FAULT_INJECTION: forcing a failure. [ 50.686906] name failslab, interval 1, probability 0, space 0, times 0 [ 50.696229] Call Trace: [ 50.709990] dump_stack+0x123/0x177 [ 50.713599] should_fail.cold.4+0x5/0x13 [ 50.717636] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 50.722718] ? mark_held_locks+0x130/0x130 [ 50.726940] __should_failslab+0xba/0xf0 [ 50.730986] should_failslab+0x9/0x14 [ 50.734770] __kmalloc+0x70/0x770 [ 50.738201] ? __tty_buffer_request_room+0x1b3/0x550 [ 50.743299] __tty_buffer_request_room+0x1b3/0x550 [ 50.748203] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 50.754942] ? do_raw_spin_lock+0xd0/0x240 [ 50.759153] pty_write+0xf3/0x1f0 [ 50.762583] tty_put_char+0x10d/0x130 [ 50.766445] ? dev_match_devt+0x90/0x90 [ 50.771858] ? kasan_check_read+0x11/0x20 [ 50.775995] ? tty_buffer_space_avail+0x56/0xb0 [ 50.780657] ? pty_write_room+0x8f/0xb0 [ 50.784713] __process_echoes+0x311/0x790 [ 50.788846] n_tty_receive_buf_common+0x780/0x2bd0 [ 50.793779] n_tty_receive_buf+0xc/0x10 [ 50.797728] tty_ioctl+0x64e/0x12a0 [ 50.801514] ? tty_vhangup+0x20/0x20 [ 50.805224] ? avc_ss_reset+0x140/0x140 [ 50.809187] ? mark_held_locks+0x130/0x130 [ 50.813496] ? kasan_check_write+0x14/0x20 [ 50.817793] ? proc_fail_nth_write+0x13a/0x180 [ 50.822350] ? proc_cwd_link+0x1b0/0x1b0 [ 50.826393] ? __fdget_pos+0xa7/0xd0 [ 50.830084] ? __vfs_write+0xe6/0x890 [ 50.833859] ? __fdget_pos+0xa7/0xd0 [ 50.837730] do_vfs_ioctl+0x199/0x10d0 [ 50.841608] ? ioctl_preallocate+0x1c0/0x1c0 [ 50.845993] ? selinux_file_mprotect+0x5f0/0x5f0 [ 50.850733] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 50.855556] ? ksys_dup3+0x2e0/0x2e0 [ 50.859263] ? kasan_check_write+0x14/0x20 [ 50.863666] ? fput+0x18/0x120 [ 50.866835] ? security_file_ioctl+0x50/0x90 [ 50.871244] ? selinux_file_mprotect+0x5f0/0x5f0 [ 50.875975] ksys_ioctl+0x62/0x90 [ 50.879418] ? trace_hardirqs_off_caller+0x1d/0x180 [ 50.884419] __x64_sys_ioctl+0x6e/0xb0 [ 50.888282] do_syscall_64+0xd6/0x4e0 [ 50.892073] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.897251] RIP: 0033:0x458ca9 [ 50.900511] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.919506] RSP: 002b:00007f925a0b2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.927202] RAX: ffffffffffffffda RBX: 00007f925a0b2c90 RCX: 0000000000458ca9 [ 50.934648] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 50.941909] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 50.949155] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f925a0b36d4 [ 50.956412] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 50.963670] CPU: 1 PID: 7796 Comm: syz-executor.4 Not tainted 4.19.160-syzkaller #0 [ 50.971513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.980879] Call Trace: [ 50.983463] dump_stack+0x123/0x177 [ 50.987083] should_fail.cold.4+0x5/0x13 [ 50.991147] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 50.996251] ? mark_held_locks+0x130/0x130 [ 51.000479] __should_failslab+0xba/0xf0 [ 51.004530] should_failslab+0x9/0x14 [ 51.008328] __kmalloc+0x70/0x770 [ 51.011777] ? __tty_buffer_request_room+0x1b3/0x550 [ 51.017662] __tty_buffer_request_room+0x1b3/0x550 [ 51.022780] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 51.028315] ? do_raw_spin_lock+0xd0/0x240 [ 51.032663] pty_write+0xf3/0x1f0 [ 51.036112] tty_put_char+0x10d/0x130 [ 51.039908] ? dev_match_devt+0x90/0x90 [ 51.043964] ? kasan_check_read+0x11/0x20 [ 51.048105] ? tty_buffer_space_avail+0x56/0xb0 [ 51.052770] ? pty_write_room+0x8f/0xb0 [ 51.056742] __process_echoes+0x311/0x790 [ 51.060890] n_tty_receive_buf_common+0x780/0x2bd0 [ 51.065817] n_tty_receive_buf+0xc/0x10 [ 51.069782] tty_ioctl+0x64e/0x12a0 [ 51.073402] ? tty_vhangup+0x20/0x20 [ 51.077109] ? avc_ss_reset+0x140/0x140 [ 51.081161] ? mark_held_locks+0x130/0x130 [ 51.085389] ? kasan_check_write+0x14/0x20 [ 51.089614] ? proc_fail_nth_write+0x13a/0x180 [ 51.094198] ? proc_cwd_link+0x1b0/0x1b0 [ 51.098251] ? __fdget_pos+0xa7/0xd0 [ 51.101960] ? __vfs_write+0xe6/0x890 [ 51.105756] ? __fdget_pos+0xa7/0xd0 [ 51.109473] do_vfs_ioctl+0x199/0x10d0 [ 51.113360] ? ioctl_preallocate+0x1c0/0x1c0 [ 51.117765] ? selinux_file_mprotect+0x5f0/0x5f0 [ 51.122519] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 51.127359] ? ksys_dup3+0x2e0/0x2e0 [ 51.131070] ? kasan_check_write+0x14/0x20 [ 51.135299] ? fput+0x18/0x120 [ 51.138489] ? security_file_ioctl+0x50/0x90 [ 51.142889] ? selinux_file_mprotect+0x5f0/0x5f0 [ 51.147816] ksys_ioctl+0x62/0x90 [ 51.151264] ? trace_hardirqs_off_caller+0x1d/0x180 [ 51.156276] __x64_sys_ioctl+0x6e/0xb0 [ 51.160247] do_syscall_64+0xd6/0x4e0 [ 51.164047] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.169252] RIP: 0033:0x458ca9 [ 51.172436] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.191331] RSP: 002b:00007efc1c924c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.199042] RAX: ffffffffffffffda RBX: 00007efc1c924c90 RCX: 0000000000458ca9 [ 51.206479] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 51.213746] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 51.220998] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efc1c9256d4 [ 51.228258] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 51.435448] FAULT_INJECTION: forcing a failure. [ 51.435448] name failslab, interval 1, probability 0, space 0, times 0 [ 51.446666] CPU: 1 PID: 7909 Comm: syz-executor.5 Not tainted 4.19.160-syzkaller #0 [ 51.454449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.463881] Call Trace: [ 51.466497] dump_stack+0x123/0x177 [ 51.470139] should_fail.cold.4+0x5/0x13 [ 51.474203] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 51.479478] ? mark_held_locks+0x130/0x130 [ 51.483717] __should_failslab+0xba/0xf0 [ 51.487774] should_failslab+0x9/0x14 [ 51.491569] __kmalloc+0x70/0x770 [ 51.495035] ? __tty_buffer_request_room+0x1b3/0x550 [ 51.500143] __tty_buffer_request_room+0x1b3/0x550 [ 51.505244] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 51.510778] ? do_raw_spin_lock+0xd0/0x240 [ 51.515019] pty_write+0xf3/0x1f0 [ 51.518552] tty_put_char+0x10d/0x130 [ 51.522386] ? dev_match_devt+0x90/0x90 [ 51.526362] ? kasan_check_read+0x11/0x20 [ 51.530501] ? tty_buffer_space_avail+0x56/0xb0 [ 51.535168] ? pty_write_room+0x8f/0xb0 [ 51.539141] __process_echoes+0x311/0x790 [ 51.543287] n_tty_receive_buf_common+0x780/0x2bd0 [ 51.548219] n_tty_receive_buf+0xc/0x10 [ 51.552220] tty_ioctl+0x64e/0x12a0 [ 51.556400] ? tty_vhangup+0x20/0x20 [ 51.560107] ? avc_ss_reset+0x140/0x140 [ 51.564080] ? mark_held_locks+0x130/0x130 [ 51.568311] ? kasan_check_write+0x14/0x20 [ 51.572541] ? proc_fail_nth_write+0x13a/0x180 [ 51.577118] ? proc_cwd_link+0x1b0/0x1b0 [ 51.581173] ? __fdget_pos+0xa7/0xd0 [ 51.584889] ? __vfs_write+0xe6/0x890 [ 51.588682] ? __fdget_pos+0xa7/0xd0 [ 51.592396] do_vfs_ioctl+0x199/0x10d0 [ 51.596283] ? ioctl_preallocate+0x1c0/0x1c0 [ 51.600689] ? selinux_file_mprotect+0x5f0/0x5f0 [ 51.605443] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 51.610282] ? ksys_dup3+0x2e0/0x2e0 [ 51.613988] ? kasan_check_write+0x14/0x20 [ 51.618212] ? fput+0x18/0x120 [ 51.621396] ? security_file_ioctl+0x50/0x90 [ 51.625815] ? selinux_file_mprotect+0x5f0/0x5f0 [ 51.630563] ksys_ioctl+0x62/0x90 [ 51.634008] ? trace_hardirqs_off_caller+0x1d/0x180 [ 51.639017] __x64_sys_ioctl+0x6e/0xb0 [ 51.642901] do_syscall_64+0xd6/0x4e0 [ 51.646699] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.651879] RIP: 0033:0x458ca9 [ 51.655054] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.673939] RSP: 002b:00007fefb84bcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.681779] RAX: ffffffffffffffda RBX: 00007fefb84bcc90 RCX: 0000000000458ca9 [ 51.689039] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 51.696340] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 51.703689] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefb84bd6d4 [ 51.711000] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 51.819105] FAULT_INJECTION: forcing a failure. [ 51.819105] name failslab, interval 1, probability 0, space 0, times 0 [ 51.830357] CPU: 0 PID: 7980 Comm: syz-executor.1 Not tainted 4.19.160-syzkaller #0 [ 51.838144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.847494] Call Trace: [ 51.850082] dump_stack+0x123/0x177 [ 51.853709] should_fail.cold.4+0x5/0x13 [ 51.857772] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 51.862874] ? mark_held_locks+0x130/0x130 [ 51.867104] __should_failslab+0xba/0xf0 [ 51.871160] should_failslab+0x9/0x14 [ 51.874958] __kmalloc+0x70/0x770 [ 51.878413] ? __tty_buffer_request_room+0x1b3/0x550 [ 51.883513] __tty_buffer_request_room+0x1b3/0x550 [ 51.888436] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 51.893967] ? do_raw_spin_lock+0xd0/0x240 [ 51.898210] pty_write+0xf3/0x1f0 [ 51.901678] tty_put_char+0x10d/0x130 [ 51.905473] ? dev_match_devt+0x90/0x90 [ 51.909442] ? kasan_check_read+0x11/0x20 [ 51.913585] ? tty_buffer_space_avail+0x56/0xb0 [ 51.918255] ? pty_write_room+0x8f/0xb0 [ 51.922235] __process_echoes+0x311/0x790 [ 51.926511] n_tty_receive_buf_common+0x780/0x2bd0 [ 51.931442] n_tty_receive_buf+0xc/0x10 [ 51.935502] tty_ioctl+0x64e/0x12a0 [ 51.939122] ? tty_vhangup+0x20/0x20 [ 51.942885] ? avc_ss_reset+0x140/0x140 [ 51.946858] ? mark_held_locks+0x130/0x130 [ 51.951072] ? kasan_check_write+0x14/0x20 [ 51.955467] ? proc_fail_nth_write+0x13a/0x180 [ 51.960045] ? proc_cwd_link+0x1b0/0x1b0 [ 51.964086] ? __fdget_pos+0xa7/0xd0 [ 51.967792] ? __vfs_write+0xe6/0x890 [ 51.971583] ? __fdget_pos+0xa7/0xd0 [ 51.975406] do_vfs_ioctl+0x199/0x10d0 [ 51.979271] ? ioctl_preallocate+0x1c0/0x1c0 [ 51.983674] ? selinux_file_mprotect+0x5f0/0x5f0 [ 51.988417] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 51.993240] ? ksys_dup3+0x2e0/0x2e0 [ 51.996930] ? kasan_check_write+0x14/0x20 [ 52.001149] ? fput+0x18/0x120 [ 52.004343] ? security_file_ioctl+0x50/0x90 [ 52.008827] ? selinux_file_mprotect+0x5f0/0x5f0 [ 52.014009] ksys_ioctl+0x62/0x90 [ 52.017446] ? trace_hardirqs_off_caller+0x1d/0x180 [ 52.022517] __x64_sys_ioctl+0x6e/0xb0 [ 52.026392] do_syscall_64+0xd6/0x4e0 [ 52.030369] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.035660] RIP: 0033:0x458ca9 [ 52.038940] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.057826] RSP: 002b:00007f925a0b2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.065513] RAX: ffffffffffffffda RBX: 00007f925a0b2c90 RCX: 0000000000458ca9 [ 52.072780] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 52.080125] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 52.087415] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f925a0b36d4 [ 52.094740] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 52.179452] FAULT_INJECTION: forcing a failure. [ 52.179452] name failslab, interval 1, probability 0, space 0, times 0 [ 52.190681] CPU: 1 PID: 8026 Comm: syz-executor.3 Not tainted 4.19.160-syzkaller #0 [ 52.198477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.208096] Call Trace: [ 52.210715] dump_stack+0x123/0x177 [ 52.214345] should_fail.cold.4+0x5/0x13 [ 52.218498] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 52.223600] ? mark_held_locks+0x130/0x130 [ 52.227840] __should_failslab+0xba/0xf0 [ 52.231898] should_failslab+0x9/0x14 [ 52.235706] __kmalloc+0x70/0x770 [ 52.239158] ? __tty_buffer_request_room+0x1b3/0x550 [ 52.244293] __tty_buffer_request_room+0x1b3/0x550 [ 52.249222] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 52.254754] ? do_raw_spin_lock+0xd0/0x240 [ 52.258995] pty_write+0xf3/0x1f0 [ 52.262449] tty_put_char+0x10d/0x130 [ 52.266248] ? dev_match_devt+0x90/0x90 [ 52.270219] ? kasan_check_read+0x11/0x20 [ 52.274368] ? tty_buffer_space_avail+0x56/0xb0 [ 52.279029] ? pty_write_room+0x8f/0xb0 [ 52.283006] __process_echoes+0x311/0x790 [ 52.287152] n_tty_receive_buf_common+0x780/0x2bd0 [ 52.292083] n_tty_receive_buf+0xc/0x10 [ 52.296049] tty_ioctl+0x64e/0x12a0 [ 52.299672] ? tty_vhangup+0x20/0x20 [ 52.303379] ? avc_ss_reset+0x140/0x140 [ 52.307439] ? mark_held_locks+0x130/0x130 [ 52.311664] ? kasan_check_write+0x14/0x20 [ 52.316027] ? proc_fail_nth_write+0x13a/0x180 [ 52.321387] ? proc_cwd_link+0x1b0/0x1b0 [ 52.325451] ? __fdget_pos+0xa7/0xd0 [ 52.329160] ? __vfs_write+0xe6/0x890 [ 52.332953] ? __fdget_pos+0xa7/0xd0 [ 52.336685] do_vfs_ioctl+0x199/0x10d0 [ 52.340581] ? ioctl_preallocate+0x1c0/0x1c0 [ 52.344989] ? selinux_file_mprotect+0x5f0/0x5f0 [ 52.349743] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 52.354582] ? ksys_dup3+0x2e0/0x2e0 [ 52.358305] ? kasan_check_write+0x14/0x20 [ 52.362538] ? fput+0x18/0x120 [ 52.365727] ? security_file_ioctl+0x50/0x90 [ 52.370150] ? selinux_file_mprotect+0x5f0/0x5f0 [ 52.374902] ksys_ioctl+0x62/0x90 [ 52.378537] ? trace_hardirqs_off_caller+0x1d/0x180 [ 52.386362] __x64_sys_ioctl+0x6e/0xb0 [ 52.390340] do_syscall_64+0xd6/0x4e0 [ 52.394125] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.399344] RIP: 0033:0x458ca9 [ 52.402787] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.421921] RSP: 002b:00007f223c837c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.429609] RAX: ffffffffffffffda RBX: 00007f223c837c90 RCX: 0000000000458ca9 [ 52.436876] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 52.444124] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 52.451372] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f223c8386d4 [ 52.458623] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 52.514925] FAULT_INJECTION: forcing a failure. [ 52.514925] name failslab, interval 1, probability 0, space 0, times 0 [ 52.526705] CPU: 0 PID: 8063 Comm: syz-executor.0 Not tainted 4.19.160-syzkaller #0 [ 52.534853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.536769] FAULT_INJECTION: forcing a failure. [ 52.536769] name failslab, interval 1, probability 0, space 0, times 0 [ 52.544208] Call Trace: [ 52.558145] dump_stack+0x123/0x177 [ 52.561757] should_fail.cold.4+0x5/0x13 [ 52.565822] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 52.570904] ? mark_held_locks+0x130/0x130 [ 52.575123] __should_failslab+0xba/0xf0 [ 52.579165] should_failslab+0x9/0x14 [ 52.582943] __kmalloc+0x70/0x770 [ 52.586473] ? __tty_buffer_request_room+0x1b3/0x550 [ 52.591575] __tty_buffer_request_room+0x1b3/0x550 [ 52.596484] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 52.602021] ? do_raw_spin_lock+0xd0/0x240 [ 52.606237] pty_write+0xf3/0x1f0 [ 52.609684] tty_put_char+0x10d/0x130 [ 52.613462] ? dev_match_devt+0x90/0x90 [ 52.617411] ? kasan_check_read+0x11/0x20 [ 52.621552] ? tty_buffer_space_avail+0x56/0xb0 [ 52.626200] ? pty_write_room+0x8f/0xb0 [ 52.630157] __process_echoes+0x311/0x790 [ 52.634380] n_tty_receive_buf_common+0x780/0x2bd0 [ 52.639377] n_tty_receive_buf+0xc/0x10 [ 52.643327] tty_ioctl+0x64e/0x12a0 [ 52.646954] ? tty_vhangup+0x20/0x20 [ 52.650661] ? avc_ss_reset+0x140/0x140 [ 52.654617] ? mark_held_locks+0x130/0x130 [ 52.658826] ? kasan_check_write+0x14/0x20 [ 52.663053] ? proc_fail_nth_write+0x13a/0x180 [ 52.667611] ? proc_cwd_link+0x1b0/0x1b0 [ 52.671648] ? __fdget_pos+0xa7/0xd0 [ 52.675514] ? __vfs_write+0xe6/0x890 [ 52.679289] ? __fdget_pos+0xa7/0xd0 [ 52.682981] do_vfs_ioctl+0x199/0x10d0 [ 52.686858] ? ioctl_preallocate+0x1c0/0x1c0 [ 52.692980] ? selinux_file_mprotect+0x5f0/0x5f0 [ 52.697713] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 52.702532] ? ksys_dup3+0x2e0/0x2e0 [ 52.706308] ? kasan_check_write+0x14/0x20 [ 52.710538] ? fput+0x18/0x120 [ 52.713723] ? security_file_ioctl+0x50/0x90 [ 52.718108] ? selinux_file_mprotect+0x5f0/0x5f0 [ 52.722840] ksys_ioctl+0x62/0x90 [ 52.726272] ? trace_hardirqs_off_caller+0x1d/0x180 [ 52.731279] __x64_sys_ioctl+0x6e/0xb0 [ 52.735159] do_syscall_64+0xd6/0x4e0 [ 52.738936] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.744115] RIP: 0033:0x458ca9 [ 52.747811] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.766688] RSP: 002b:00007fa50ab0cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.774821] RAX: ffffffffffffffda RBX: 00007fa50ab0cc90 RCX: 0000000000458ca9 [ 52.782084] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 52.789344] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 52.796591] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa50ab0d6d4 [ 52.803841] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 52.811645] CPU: 1 PID: 8076 Comm: syz-executor.5 Not tainted 4.19.160-syzkaller #0 [ 52.819536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.821521] FAULT_INJECTION: forcing a failure. [ 52.821521] name failslab, interval 1, probability 0, space 0, times 0 [ 52.828968] Call Trace: [ 52.842713] dump_stack+0x123/0x177 [ 52.846329] should_fail.cold.4+0x5/0x13 [ 52.850375] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 52.855476] ? mark_held_locks+0x130/0x130 [ 52.859697] __should_failslab+0xba/0xf0 [ 52.863734] should_failslab+0x9/0x14 [ 52.867513] __kmalloc+0x70/0x770 [ 52.870945] ? __tty_buffer_request_room+0x1b3/0x550 [ 52.876024] __tty_buffer_request_room+0x1b3/0x550 [ 52.880932] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 52.886470] ? do_raw_spin_lock+0xd0/0x240 [ 52.890881] pty_write+0xf3/0x1f0 [ 52.894310] tty_put_char+0x10d/0x130 [ 52.898179] ? dev_match_devt+0x90/0x90 [ 52.902128] ? kasan_check_read+0x11/0x20 [ 52.906266] ? tty_buffer_space_avail+0x56/0xb0 [ 52.910910] ? pty_write_room+0x8f/0xb0 [ 52.914860] __process_echoes+0x311/0x790 [ 52.919005] n_tty_receive_buf_common+0x780/0x2bd0 [ 52.923915] n_tty_receive_buf+0xc/0x10 [ 52.927870] tty_ioctl+0x64e/0x12a0 [ 52.931476] ? tty_vhangup+0x20/0x20 [ 52.935166] ? avc_ss_reset+0x140/0x140 [ 52.939140] ? mark_held_locks+0x130/0x130 [ 52.943351] ? kasan_check_write+0x14/0x20 [ 52.947561] ? proc_fail_nth_write+0x13a/0x180 [ 52.952125] ? proc_cwd_link+0x1b0/0x1b0 [ 52.956190] ? __fdget_pos+0xa7/0xd0 [ 52.959882] ? __vfs_write+0xe6/0x890 [ 52.963677] ? __fdget_pos+0xa7/0xd0 [ 52.967371] do_vfs_ioctl+0x199/0x10d0 [ 52.971244] ? ioctl_preallocate+0x1c0/0x1c0 [ 52.975677] ? selinux_file_mprotect+0x5f0/0x5f0 [ 52.980523] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 52.985777] ? ksys_dup3+0x2e0/0x2e0 [ 52.989467] ? kasan_check_write+0x14/0x20 [ 52.993676] ? fput+0x18/0x120 [ 52.996860] ? security_file_ioctl+0x50/0x90 [ 53.001248] ? selinux_file_mprotect+0x5f0/0x5f0 [ 53.005988] ksys_ioctl+0x62/0x90 [ 53.009511] ? trace_hardirqs_off_caller+0x1d/0x180 [ 53.015141] __x64_sys_ioctl+0x6e/0xb0 [ 53.019357] do_syscall_64+0xd6/0x4e0 [ 53.024348] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.029607] RIP: 0033:0x458ca9 [ 53.032786] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.051673] RSP: 002b:00007fefb84bcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.059355] RAX: ffffffffffffffda RBX: 00007fefb84bcc90 RCX: 0000000000458ca9 [ 53.066614] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.073857] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.081187] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefb84bd6d4 [ 53.088445] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 53.095710] CPU: 0 PID: 8074 Comm: syz-executor.4 Not tainted 4.19.160-syzkaller #0 [ 53.103539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.112879] Call Trace: [ 53.115461] dump_stack+0x123/0x177 [ 53.119084] should_fail.cold.4+0x5/0x13 [ 53.123140] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 53.128593] ? mark_held_locks+0x130/0x130 [ 53.132825] __should_failslab+0xba/0xf0 [ 53.136882] should_failslab+0x9/0x14 [ 53.140678] __kmalloc+0x70/0x770 [ 53.144128] ? __tty_buffer_request_room+0x1b3/0x550 [ 53.149340] __tty_buffer_request_room+0x1b3/0x550 [ 53.154268] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 53.159831] ? do_raw_spin_lock+0xd0/0x240 [ 53.164064] pty_write+0xf3/0x1f0 [ 53.167514] tty_put_char+0x10d/0x130 [ 53.171309] ? dev_match_devt+0x90/0x90 [ 53.175269] ? kasan_check_read+0x11/0x20 [ 53.179409] ? tty_buffer_space_avail+0x56/0xb0 [ 53.184600] ? pty_write_room+0x8f/0xb0 [ 53.188575] __process_echoes+0x311/0x790 [ 53.192818] n_tty_receive_buf_common+0x780/0x2bd0 [ 53.197794] n_tty_receive_buf+0xc/0x10 [ 53.202662] tty_ioctl+0x64e/0x12a0 [ 53.206288] ? tty_vhangup+0x20/0x20 [ 53.209995] ? avc_ss_reset+0x140/0x140 [ 53.213968] ? mark_held_locks+0x130/0x130 [ 53.218199] ? kasan_check_write+0x14/0x20 [ 53.222426] ? proc_fail_nth_write+0x13a/0x180 [ 53.226998] ? proc_cwd_link+0x1b0/0x1b0 [ 53.231053] ? __fdget_pos+0xa7/0xd0 [ 53.234761] ? __vfs_write+0xe6/0x890 [ 53.238548] ? __fdget_pos+0xa7/0xd0 [ 53.242255] do_vfs_ioctl+0x199/0x10d0 [ 53.246137] ? ioctl_preallocate+0x1c0/0x1c0 [ 53.250538] ? selinux_file_mprotect+0x5f0/0x5f0 [ 53.255287] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 53.260124] ? ksys_dup3+0x2e0/0x2e0 [ 53.263841] ? kasan_check_write+0x14/0x20 [ 53.268067] ? fput+0x18/0x120 [ 53.271287] ? security_file_ioctl+0x50/0x90 [ 53.275681] ? selinux_file_mprotect+0x5f0/0x5f0 [ 53.281553] ksys_ioctl+0x62/0x90 [ 53.284990] ? trace_hardirqs_off_caller+0x1d/0x180 [ 53.289995] __x64_sys_ioctl+0x6e/0xb0 [ 53.293884] do_syscall_64+0xd6/0x4e0 [ 53.297677] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.302883] RIP: 0033:0x458ca9 [ 53.306193] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.325295] RSP: 002b:00007efc1c924c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.333158] RAX: ffffffffffffffda RBX: 00007efc1c924c90 RCX: 0000000000458ca9 [ 53.340568] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.349128] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.356922] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efc1c9256d4 [ 53.364225] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 53.684443] FAULT_INJECTION: forcing a failure. [ 53.684443] name failslab, interval 1, probability 0, space 0, times 0 [ 53.695655] CPU: 0 PID: 8224 Comm: syz-executor.2 Not tainted 4.19.160-syzkaller #0 [ 53.703469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.712818] Call Trace: [ 53.715406] dump_stack+0x123/0x177 [ 53.719032] should_fail.cold.4+0x5/0x13 [ 53.723094] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 53.728552] ? mark_held_locks+0x130/0x130 [ 53.732806] __should_failslab+0xba/0xf0 [ 53.736864] should_failslab+0x9/0x14 [ 53.740665] __kmalloc+0x70/0x770 [ 53.744114] ? __tty_buffer_request_room+0x1b3/0x550 [ 53.749222] __tty_buffer_request_room+0x1b3/0x550 [ 53.754150] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 53.759686] ? do_raw_spin_lock+0xd0/0x240 [ 53.763916] pty_write+0xf3/0x1f0 [ 53.767362] tty_put_char+0x10d/0x130 [ 53.771180] ? dev_match_devt+0x90/0x90 [ 53.775144] ? kasan_check_read+0x11/0x20 [ 53.779290] ? tty_buffer_space_avail+0x56/0xb0 [ 53.783952] ? pty_write_room+0x8f/0xb0 [ 53.787922] __process_echoes+0x311/0x790 [ 53.792069] n_tty_receive_buf_common+0x780/0x2bd0 [ 53.796995] n_tty_receive_buf+0xc/0x10 [ 53.800961] tty_ioctl+0x64e/0x12a0 [ 53.804583] ? tty_vhangup+0x20/0x20 [ 53.808287] ? avc_ss_reset+0x140/0x140 [ 53.812270] ? mark_held_locks+0x130/0x130 [ 53.816494] ? kasan_check_write+0x14/0x20 [ 53.820729] ? proc_fail_nth_write+0x13a/0x180 [ 53.825305] ? proc_cwd_link+0x1b0/0x1b0 [ 53.830144] ? __fdget_pos+0xa7/0xd0 [ 53.833850] ? __vfs_write+0xe6/0x890 [ 53.837646] ? __fdget_pos+0xa7/0xd0 [ 53.841357] do_vfs_ioctl+0x199/0x10d0 [ 53.845240] ? ioctl_preallocate+0x1c0/0x1c0 [ 53.849643] ? selinux_file_mprotect+0x5f0/0x5f0 [ 53.854390] ? mem_cgroup_css_alloc+0x1392/0x1690 [ 53.859231] ? ksys_dup3+0x2e0/0x2e0 [ 53.862943] ? kasan_check_write+0x14/0x20 [ 53.867171] ? fput+0x18/0x120 [ 53.870361] ? security_file_ioctl+0x50/0x90 [ 53.874803] ? selinux_file_mprotect+0x5f0/0x5f0 [ 53.879558] ksys_ioctl+0x62/0x90 [ 53.883003] ? trace_hardirqs_off_caller+0x1d/0x180 [ 53.888014] __x64_sys_ioctl+0x6e/0xb0 [ 53.891892] do_syscall_64+0xd6/0x4e0 [ 53.895668] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.900831] RIP: 0033:0x458ca9 [ 53.904010] Code: 2d 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.922886] RSP: 002b:00007fcfa6ed9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.930581] RAX: ffffffffffffffda RBX: 00007fcfa6ed9c90 RCX: 0000000000458ca9 [ 53.937915] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.945169] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.952421] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfa6eda6d4 [ 53.959676] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005