syzkaller login: [ 22.862079] urandom_read: 1 callbacks suppressed [ 22.862084] random: sshd: uninitialized urandom read (32 bytes read) [ 23.881216] random: cc1: uninitialized urandom read (8 bytes read) [ 24.637801] IPVS: ftp: loaded support on port[0] = 21 [ 45.719439] can: request_module (can-proto-0) failed. [ 45.728007] can: request_module (can-proto-0) failed. [ 47.403998] random: sshd: uninitialized urandom read (32 bytes read) [ 47.775107] random: sshd: uninitialized urandom read (32 bytes read) [ 47.920294] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts. 2018/08/05 10:44:34 parsed 1 programs 2018/08/05 10:44:34 executed programs: 0 [ 54.007784] IPVS: ftp: loaded support on port[0] = 21 [ 54.008812] IPVS: ftp: loaded support on port[0] = 21 [ 54.021464] IPVS: ftp: loaded support on port[0] = 21 [ 54.023647] IPVS: ftp: loaded support on port[0] = 21 [ 54.037289] IPVS: ftp: loaded support on port[0] = 21 [ 54.049847] IPVS: ftp: loaded support on port[0] = 21 [ 54.053019] IPVS: ftp: loaded support on port[0] = 21 [ 54.067881] IPVS: ftp: loaded support on port[0] = 21 [ 54.982114] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.988569] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.012576] device bridge_slave_0 entered promiscuous mode [ 55.026632] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.033037] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.041197] device bridge_slave_0 entered promiscuous mode [ 55.055450] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.061926] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.069085] device bridge_slave_0 entered promiscuous mode [ 55.076044] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.082424] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.089912] device bridge_slave_0 entered promiscuous mode [ 55.098052] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.104431] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.111889] device bridge_slave_0 entered promiscuous mode [ 55.119538] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.125902] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.134130] device bridge_slave_0 entered promiscuous mode [ 55.142452] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.148842] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.156591] device bridge_slave_1 entered promiscuous mode [ 55.164103] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.170478] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.178608] device bridge_slave_0 entered promiscuous mode [ 55.187595] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.193976] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.200945] device bridge_slave_1 entered promiscuous mode [ 55.208365] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.214824] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.222223] device bridge_slave_1 entered promiscuous mode [ 55.229273] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.235655] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.243878] device bridge_slave_1 entered promiscuous mode [ 55.250155] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.256627] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.266127] device bridge_slave_0 entered promiscuous mode [ 55.273682] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.280040] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.288028] device bridge_slave_1 entered promiscuous mode [ 55.295736] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.304177] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.312479] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.319751] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.327452] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.333837] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.348317] device bridge_slave_1 entered promiscuous mode [ 55.356064] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.362434] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.369816] device bridge_slave_1 entered promiscuous mode [ 55.376062] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.382440] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.389596] device bridge_slave_1 entered promiscuous mode [ 55.397061] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.405093] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.413594] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.422120] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.430559] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.438029] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.446762] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.460585] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.473091] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.500215] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.512899] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.552024] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.570545] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.609272] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.631660] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.641165] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.676917] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.685639] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.695275] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.705206] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.725886] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.735584] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.745149] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.756727] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.767490] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 55.774475] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.786901] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.794860] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 55.802280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.815305] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.824476] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.833758] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 55.840629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.857196] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 55.864421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.877890] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 55.886328] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 55.894277] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 55.902433] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.911634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.929603] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.942501] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.951752] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 55.958607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.968799] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 55.977295] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 55.989950] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 55.998490] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 56.005460] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.018252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.035368] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.042944] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.062737] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.069977] team0: Port device team_slave_0 added [ 56.076968] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 56.088857] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 56.105852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.116030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.150125] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.160250] team0: Port device team_slave_0 added [ 56.172039] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 56.179232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.193992] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.201252] team0: Port device team_slave_1 added [ 56.208377] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.218675] team0: Port device team_slave_1 added [ 56.237082] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.244808] team0: Port device team_slave_0 added [ 56.262705] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.277554] team0: Port device team_slave_0 added [ 56.294079] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.303874] team0: Port device team_slave_0 added [ 56.311300] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.318989] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.331056] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.339501] team0: Port device team_slave_0 added [ 56.353252] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.360857] team0: Port device team_slave_0 added [ 56.366560] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.373761] team0: Port device team_slave_1 added [ 56.381364] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.391227] team0: Port device team_slave_1 added [ 56.397782] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.405929] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.416112] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.424472] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.431926] team0: Port device team_slave_1 added [ 56.440173] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.450071] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.461240] team0: Port device team_slave_1 added [ 56.469583] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.479130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.486758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.494672] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.502388] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.510072] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.517818] team0: Port device team_slave_1 added [ 56.525123] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 56.534753] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 56.549707] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.559121] team0: Port device team_slave_0 added [ 56.571573] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.581394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.589240] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.596736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.604525] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.612475] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.620276] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.632292] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.641532] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.660134] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.671902] team0: Port device team_slave_1 added [ 56.685889] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.694065] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.702866] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.710737] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.718509] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.728205] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.737740] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 56.750317] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.760913] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 56.772061] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.786696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.804112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.811712] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.819219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.826907] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.834678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.842383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.851394] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 56.858372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.866292] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.875861] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 56.882900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.890747] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.901122] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.909758] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 56.922429] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 56.929820] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.936966] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.953504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.972191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.980176] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.987875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.995730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.003501] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.011209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.034083] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 57.041219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.053840] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.071291] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 57.079079] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.089009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.104586] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 57.114595] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.130889] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.158469] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 57.169449] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.183506] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.220222] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 57.227592] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.242509] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.387663] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.394089] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.400722] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.407107] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.418775] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.515959] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.522390] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.529007] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.535389] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.546540] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.605438] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.611951] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.618630] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.625035] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.638912] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.655694] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.662154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.668799] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.675422] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.683906] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.698880] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.705335] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.711983] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.718363] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.731673] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.744601] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.751010] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.757658] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.764067] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.775061] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.783415] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.789799] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.796452] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.803157] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.810629] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.820307] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.827847] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.835229] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.842755] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.850034] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.857329] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.864532] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.023856] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.030262] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.036893] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.043260] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.060679] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 58.861648] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.632752] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.749110] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.824225] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.842856] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.853982] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.869225] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.889890] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.921179] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.937203] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.956303] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.030181] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.036539] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.045254] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.057717] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.066199] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.083109] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.098068] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.146992] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.153205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.162980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.181665] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.192292] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.244708] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.250933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.258240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.277747] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.302714] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.310131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.325872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.338063] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.347491] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.358664] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.366700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.375100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.393107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.402249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.414608] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.422088] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.430697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.461719] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.468112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.479807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.552482] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.576563] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.590601] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.604422] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.650303] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.675683] 8021q: adding VLAN 0 to HW filter on device team0 2018/08/05 10:44:41 executed programs: 8 [ 62.131584] syz-executor0 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 62.142520] syz-executor0 cpuset=/ mems_allowed=0 [ 62.147599] CPU: 0 PID: 6629 Comm: syz-executor0 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 62.155921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.165282] Call Trace: [ 62.167890] dump_stack+0x1c9/0x2b4 [ 62.171557] ? dump_stack_print_info.cold.2+0x52/0x52 [ 62.176762] ? lock_downgrade+0x8f0/0x8f0 [ 62.180928] dump_header+0x27b/0xf70 [ 62.184657] ? lock_acquire+0x1e4/0x540 [ 62.188640] ? try_to_wake_up+0x10a/0x12a0 [ 62.192887] ? trace_hardirqs_on+0x10/0x10 [ 62.197132] ? pagefault_out_of_memory+0x197/0x197 [ 62.202071] ? kasan_check_read+0x11/0x20 [ 62.206210] ? do_raw_spin_unlock+0xa7/0x2f0 [ 62.210605] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 62.215180] ? trace_hardirqs_on+0x10/0x10 [ 62.219404] ? trace_hardirqs_off+0xd/0x10 [ 62.223641] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 62.228762] ? trace_hardirqs_on+0x10/0x10 [ 62.233011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.238561] ? css_next_child+0x1c3/0x620 [ 62.242720] ? find_lock_task_mm+0x230/0x4d0 [ 62.247142] ? cgroup_get_tree+0xb20/0xb20 [ 62.251393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.256936] ? task_will_free_mem+0x239/0xb70 [ 62.261441] ? lock_downgrade+0x8f0/0x8f0 [ 62.265596] ? ___ratelimit+0x36f/0x655 [ 62.269580] ? lock_downgrade+0x8f0/0x8f0 [ 62.273738] ? kasan_check_read+0x11/0x20 [ 62.277899] ? do_raw_spin_unlock+0xa7/0x2f0 [ 62.282348] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 62.286983] ? do_raw_spin_lock+0x200/0x200 [ 62.291321] ? oom_kill_process+0x258/0x290 [ 62.295660] ? lock_downgrade+0x8f0/0x8f0 [ 62.299829] ? trace_hardirqs_on+0xd/0x10 [ 62.303993] ? ___ratelimit+0xaa/0x655 [ 62.307878] ? idr_get_free+0x10d0/0x10d0 [ 62.312014] ? kasan_check_write+0x14/0x20 [ 62.316240] ? do_raw_spin_lock+0xc1/0x200 [ 62.320482] oom_kill_process.cold.28+0x10/0x95a [ 62.325246] ? kasan_check_write+0x14/0x20 [ 62.329468] ? do_raw_spin_lock+0xc1/0x200 [ 62.333694] ? trace_hardirqs_on+0xd/0x10 [ 62.337843] ? oom_evaluate_task+0x540/0x540 [ 62.342242] ? cgroup_procs_next+0x70/0x70 [ 62.346479] ? trace_hardirqs_on+0xd/0x10 [ 62.350616] ? _raw_spin_unlock_irq+0x27/0x70 [ 62.355100] ? oom_badness+0xb00/0xb00 [ 62.358990] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 62.363747] ? mem_cgroup_iter_break+0x30/0x30 [ 62.368319] ? shrink_node+0x16a0/0x16a0 [ 62.372392] ? lock_downgrade+0x8f0/0x8f0 [ 62.376529] ? lock_acquire+0x1e4/0x540 [ 62.380497] ? cgroup_file_notify+0x226/0x2f0 [ 62.384992] out_of_memory+0xa8a/0x14d0 [ 62.388966] ? kasan_check_read+0x11/0x20 [ 62.393106] ? oom_killer_disable+0x3a0/0x3a0 [ 62.397611] ? trace_hardirqs_off+0xd/0x10 [ 62.401855] ? trace_hardirqs_on+0xd/0x10 [ 62.406003] mem_cgroup_out_of_memory+0x15e/0x210 [ 62.410835] ? memcg_memory_event+0x40/0x40 [ 62.415151] ? page_counter_memparse+0xb5/0x1e0 [ 62.419823] memory_max_write+0x1b4/0x3f0 [ 62.423962] ? lock_acquire+0x1e4/0x540 [ 62.427932] ? kernfs_fop_write+0x227/0x480 [ 62.432244] ? mem_cgroup_write+0x400/0x400 [ 62.436564] ? lock_acquire+0x1e4/0x540 [ 62.440527] ? __might_fault+0x12b/0x1e0 [ 62.444578] cgroup_file_write+0x31f/0x840 [ 62.448805] ? mem_cgroup_write+0x400/0x400 [ 62.453113] ? cgroup_migrate_add_task+0xcd0/0xcd0 [ 62.458029] ? cgroup_migrate_add_task+0xcd0/0xcd0 [ 62.462958] kernfs_fop_write+0x2ba/0x480 [ 62.467096] __vfs_write+0x117/0x9d0 [ 62.470805] ? kernfs_fop_open+0x1020/0x1020 [ 62.475200] ? kernel_read+0x120/0x120 [ 62.479077] ? lock_release+0xa30/0xa30 [ 62.483037] ? check_same_owner+0x340/0x340 [ 62.487352] ? rcu_note_context_switch+0x730/0x730 [ 62.492279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.497802] ? __sb_start_write+0x17f/0x300 [ 62.502121] vfs_write+0x1fc/0x560 [ 62.505658] ksys_write+0x101/0x260 [ 62.509270] ? __ia32_sys_read+0xb0/0xb0 [ 62.513326] __x64_sys_write+0x73/0xb0 [ 62.517222] do_syscall_64+0x1b9/0x820 [ 62.521105] ? syscall_return_slowpath+0x5e0/0x5e0 [ 62.526036] ? syscall_return_slowpath+0x31d/0x5e0 [ 62.531127] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 62.536165] ? __switch_to_asm+0x34/0x70 [ 62.540216] ? __switch_to_asm+0x34/0x70 [ 62.544261] ? __switch_to_asm+0x40/0x70 [ 62.548315] ? __switch_to_asm+0x34/0x70 [ 62.552382] ? __switch_to_asm+0x34/0x70 [ 62.556445] ? __switch_to_asm+0x40/0x70 [ 62.560505] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.565346] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.570543] RIP: 0033:0x456b29 [ 62.573749] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.593278] RSP: 002b:00007fd964f40c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.600988] RAX: ffffffffffffffda RBX: 00007fd964f416d4 RCX: 0000000000456b29 [ 62.608248] RDX: 0000000000000012 RSI: 00000000200000c0 RDI: 0000000000000008 [ 62.615511] RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000 [ 62.622776] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 62.630047] R13: 00000000004d6a40 R14: 00000000004c9db6 R15: 0000000000000001 [ 62.640213] Task in /ile0 killed as a result of limit of /ile0 [ 62.646277] memory: usage 136kB, limit 0kB, failcnt 36 [ 62.651563] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 62.658417] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 62.664927] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:8KB inactive_file:0KB active_file:0KB unevictable:0KB [ 62.684354] Tasks state (memory values in pages): [ 62.689218] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 62.698119] [ 6617] 0 6617 9426 535 61440 0 0 syz-executor0 [ 62.707173] [ 6641] 0 6641 9393 534 65536 0 0 syz-executor7 [ 62.716232] Memory cgroup out of memory: Kill process 6622 (syz-executor1) score 551000 or sacrifice child [ 62.726135] syz-executor7 invoked oom-killer: gfp_mask=0x6040d0(GFP_KERNEL|__GFP_COMP|__GFP_RECLAIMABLE), nodemask=(null), order=0, oom_score_adj=0 [ 62.739609] syz-executor7 cpuset=/ mems_allowed=0 [ 62.744479] CPU: 1 PID: 6645 Comm: syz-executor7 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 62.752789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.762128] Call Trace: [ 62.764712] dump_stack+0x1c9/0x2b4 [ 62.768338] ? dump_stack_print_info.cold.2+0x52/0x52 [ 62.773530] ? compat_start_thread+0x80/0x80 [ 62.777928] dump_header+0x27b/0xf70 [ 62.781638] ? trace_hardirqs_on+0x10/0x10 [ 62.785879] ? pagefault_out_of_memory+0x197/0x197 [ 62.790809] ? __switch_to_asm+0x34/0x70 [ 62.794856] ? __switch_to_asm+0x40/0x70 [ 62.798908] ? __switch_to_asm+0x34/0x70 [ 62.802954] ? __switch_to_asm+0x40/0x70 [ 62.807001] ? __switch_to_asm+0x34/0x70 [ 62.811048] ? __switch_to_asm+0x40/0x70 [ 62.815096] ? __switch_to_asm+0x34/0x70 [ 62.819145] ? __switch_to_asm+0x40/0x70 [ 62.823207] ? trace_hardirqs_on+0x10/0x10 [ 62.827431] ? __schedule+0x884/0x1ec0 [ 62.831306] ? trace_hardirqs_on+0x10/0x10 [ 62.835534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.841070] ? css_next_child+0x1c3/0x620 [ 62.845235] ? find_lock_task_mm+0x230/0x4d0 [ 62.849647] ? cgroup_get_tree+0xb20/0xb20 [ 62.853886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.859410] ? task_will_free_mem+0x239/0xb70 [ 62.863898] ? lock_downgrade+0x8f0/0x8f0 [ 62.868039] ? ___ratelimit+0x36f/0x655 [ 62.872001] ? lock_downgrade+0x8f0/0x8f0 [ 62.876148] ? kasan_check_read+0x11/0x20 [ 62.880283] ? do_raw_spin_unlock+0xa7/0x2f0 [ 62.884677] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 62.889259] ? do_raw_spin_lock+0x200/0x200 [ 62.893569] ? oom_kill_process+0x258/0x290 [ 62.897884] ? lock_downgrade+0x8f0/0x8f0 [ 62.902023] ? trace_hardirqs_on+0xd/0x10 [ 62.906171] ? ___ratelimit+0xaa/0x655 [ 62.910046] ? idr_get_free+0x10d0/0x10d0 [ 62.914198] ? kasan_check_write+0x14/0x20 [ 62.918419] ? do_raw_spin_lock+0xc1/0x200 [ 62.922642] oom_kill_process.cold.28+0x10/0x95a [ 62.927387] ? kasan_check_write+0x14/0x20 [ 62.931606] ? do_raw_spin_lock+0xc1/0x200 [ 62.935828] ? trace_hardirqs_on+0xd/0x10 [ 62.939962] ? oom_evaluate_task+0x540/0x540 [ 62.944381] ? cgroup_procs_next+0x70/0x70 [ 62.948609] ? trace_hardirqs_on+0xd/0x10 [ 62.952750] ? _raw_spin_unlock_irq+0x27/0x70 [ 62.957238] ? oom_badness+0xb00/0xb00 [ 62.961115] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 62.965878] ? mem_cgroup_iter_break+0x30/0x30 [ 62.970452] ? shrink_node+0x16a0/0x16a0 [ 62.974519] ? lock_acquire+0x1e4/0x540 [ 62.978503] ? cgroup_file_notify+0x226/0x2f0 [ 62.983006] out_of_memory+0xa8a/0x14d0 [ 62.986972] ? kasan_check_read+0x11/0x20 [ 62.991126] ? oom_killer_disable+0x3a0/0x3a0 [ 62.995608] ? kasan_check_write+0x14/0x20 [ 62.999841] ? do_raw_spin_lock+0xc1/0x200 [ 63.004083] ? trace_hardirqs_on+0xd/0x10 [ 63.008222] mem_cgroup_out_of_memory+0x15e/0x210 [ 63.013063] ? memcg_memory_event+0x40/0x40 [ 63.017386] ? page_counter_try_charge+0x1c7/0x220 [ 63.022345] try_charge+0x720/0x1680 [ 63.026051] ? lock_acquire+0x1e4/0x540 [ 63.030013] ? fs_reclaim_acquire+0x20/0x20 [ 63.034323] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 63.041084] ? rcu_note_context_switch+0x730/0x730 [ 63.046015] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 63.050848] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 63.055867] memcg_kmem_charge_memcg+0x7c/0x120 [ 63.060534] ? memcg_kmem_put_cache+0xb0/0xb0 [ 63.065025] ? __free_pages+0x10a/0x190 [ 63.069000] cache_grow_begin+0x207/0x710 [ 63.073135] ? do_raw_spin_unlock+0xa7/0x2f0 [ 63.077547] fallback_alloc+0x203/0x2c0 [ 63.081511] ____cache_alloc_node+0x1c7/0x1e0 [ 63.086007] kmem_cache_alloc+0x1e5/0x760 [ 63.090144] __d_alloc+0xc8/0xd50 [ 63.093597] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 63.098603] ? ktime_get_coarse_real_ts64+0x243/0x3a0 [ 63.103794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.109316] ? timespec64_trunc+0xea/0x180 [ 63.113536] ? inode_init_owner+0x340/0x340 [ 63.117853] ? _raw_spin_unlock+0x22/0x30 [ 63.122075] ? current_time+0x10b/0x1b0 [ 63.126041] ? __lockdep_init_map+0x105/0x590 [ 63.130529] d_alloc_pseudo+0x1d/0x30 [ 63.134319] alloc_file_pseudo+0x158/0x3f0 [ 63.138545] ? alloc_file+0x430/0x430 [ 63.142334] ? check_same_owner+0x340/0x340 [ 63.146649] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 63.151664] ? __check_object_size+0xa3/0x5d7 [ 63.156172] ? kasan_check_write+0x14/0x20 [ 63.160399] __shmem_file_setup.part.48+0x110/0x2a0 [ 63.165408] shmem_file_setup+0x65/0x90 [ 63.169370] __x64_sys_memfd_create+0x2af/0x4f0 [ 63.174036] ? memfd_fcntl+0x1e80/0x1e80 [ 63.178090] do_syscall_64+0x1b9/0x820 [ 63.181967] ? finish_task_switch+0x1d3/0x870 [ 63.186447] ? syscall_return_slowpath+0x5e0/0x5e0 [ 63.191364] ? syscall_return_slowpath+0x31d/0x5e0 [ 63.196290] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 63.201294] ? __switch_to_asm+0x34/0x70 [ 63.205346] ? __switch_to_asm+0x34/0x70 [ 63.209414] ? __switch_to_asm+0x40/0x70 [ 63.213586] ? __switch_to_asm+0x34/0x70 [ 63.217636] ? __switch_to_asm+0x40/0x70 [ 63.221688] ? __switch_to_asm+0x34/0x70 [ 63.225746] ? __switch_to_asm+0x40/0x70 [ 63.229800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.234632] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.239808] RIP: 0033:0x456b29 [ 63.242995] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 63.261884] RSP: 002b:00007f420eeb6a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 63.269588] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 63.276859] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 63.284123] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 63.291377] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 63.298632] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 63.308699] Task in /ile0 killed as a result of limit of /ile0 [ 63.314751] memory: usage 136kB, limit 0kB, failcnt 48 [ 63.320055] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 63.326851] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 63.333007] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:8KB inactive_file:0KB active_file:0KB unevictable:0KB [ 63.352463] Tasks state (memory values in pages): [ 63.357327] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 63.366219] [ 6617] 0 6617 9426 535 61440 0 0 syz-executor0 [ 63.375276] [ 6641] 0 6641 9393 534 65536 0 0 syz-executor7 [ 63.384335] Memory cgroup out of memory: Kill process 6617 (syz-executor0) score 550000 or sacrifice child [ 63.394197] Killed process 6617 (syz-executor0) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 63.410468] syz-executor7 invoked oom-killer: gfp_mask=0x6040d0(GFP_KERNEL|__GFP_COMP|__GFP_RECLAIMABLE), nodemask=(null), order=0, oom_score_adj=0 [ 63.423933] syz-executor7 cpuset=/ mems_allowed=0 [ 63.428855] CPU: 0 PID: 6645 Comm: syz-executor7 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 63.437190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.446534] Call Trace: [ 63.449123] dump_stack+0x1c9/0x2b4 [ 63.452734] ? dump_stack_print_info.cold.2+0x52/0x52 [ 63.457919] dump_header+0x27b/0xf70 [ 63.461624] ? finish_task_switch+0x1d3/0x870 [ 63.466109] ? trace_hardirqs_on+0x10/0x10 [ 63.470361] ? pagefault_out_of_memory+0x197/0x197 [ 63.475290] ? do_raw_spin_unlock+0xa7/0x2f0 [ 63.479686] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 63.484268] ? compat_start_thread+0x80/0x80 [ 63.488687] ? trace_hardirqs_on+0x10/0x10 [ 63.492908] ? trace_hardirqs_on+0xd/0x10 [ 63.497047] ? _raw_spin_unlock_irq+0x27/0x70 [ 63.501534] ? trace_hardirqs_on+0x10/0x10 [ 63.505760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.511290] ? css_next_child+0x1c3/0x620 [ 63.515427] ? find_lock_task_mm+0x230/0x4d0 [ 63.519825] ? cgroup_get_tree+0xb20/0xb20 [ 63.524060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.529583] ? task_will_free_mem+0x239/0xb70 [ 63.534064] ? lock_downgrade+0x8f0/0x8f0 [ 63.538198] ? ___ratelimit+0x36f/0x655 [ 63.542170] ? lock_downgrade+0x8f0/0x8f0 [ 63.546318] ? kasan_check_read+0x11/0x20 [ 63.550470] ? do_raw_spin_unlock+0xa7/0x2f0 [ 63.554863] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 63.559430] ? do_raw_spin_lock+0x200/0x200 [ 63.563740] ? oom_kill_process+0x258/0x290 [ 63.568061] ? lock_downgrade+0x8f0/0x8f0 [ 63.572196] ? trace_hardirqs_on+0xd/0x10 [ 63.576341] ? ___ratelimit+0xaa/0x655 [ 63.580217] ? idr_get_free+0x10d0/0x10d0 [ 63.584359] ? kasan_check_write+0x14/0x20 [ 63.588581] ? do_raw_spin_lock+0xc1/0x200 [ 63.592805] oom_kill_process.cold.28+0x10/0x95a [ 63.597562] ? kasan_check_write+0x14/0x20 [ 63.601780] ? do_raw_spin_lock+0xc1/0x200 [ 63.606001] ? trace_hardirqs_on+0xd/0x10 [ 63.610136] ? oom_evaluate_task+0x540/0x540 [ 63.614532] ? cgroup_procs_next+0x70/0x70 [ 63.618763] ? trace_hardirqs_on+0xd/0x10 [ 63.622908] ? _raw_spin_unlock_irq+0x27/0x70 [ 63.627392] ? oom_badness+0xb00/0xb00 [ 63.631282] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 63.636042] ? mem_cgroup_iter_break+0x30/0x30 [ 63.640612] ? shrink_node+0x16a0/0x16a0 [ 63.644665] ? lock_acquire+0x1e4/0x540 [ 63.648631] ? cgroup_file_notify+0x226/0x2f0 [ 63.653128] out_of_memory+0xa8a/0x14d0 [ 63.657088] ? kasan_check_read+0x11/0x20 [ 63.661239] ? oom_killer_disable+0x3a0/0x3a0 [ 63.665737] ? kasan_check_write+0x14/0x20 [ 63.669971] ? do_raw_spin_lock+0xc1/0x200 [ 63.674208] ? trace_hardirqs_on+0xd/0x10 [ 63.678363] mem_cgroup_out_of_memory+0x15e/0x210 [ 63.683216] ? memcg_memory_event+0x40/0x40 [ 63.687548] ? page_counter_try_charge+0x1c7/0x220 [ 63.692486] try_charge+0x720/0x1680 [ 63.696195] ? lock_acquire+0x1e4/0x540 [ 63.700157] ? fs_reclaim_acquire+0x20/0x20 [ 63.704484] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 63.711244] ? rcu_note_context_switch+0x730/0x730 [ 63.716163] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 63.721004] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 63.726816] memcg_kmem_charge_memcg+0x7c/0x120 [ 63.731472] ? memcg_kmem_put_cache+0xb0/0xb0 [ 63.735954] ? __free_pages+0x10a/0x190 [ 63.739918] cache_grow_begin+0x207/0x710 [ 63.744062] ? do_raw_spin_unlock+0xa7/0x2f0 [ 63.748455] fallback_alloc+0x203/0x2c0 [ 63.752415] ____cache_alloc_node+0x1c7/0x1e0 [ 63.756904] kmem_cache_alloc+0x1e5/0x760 [ 63.761052] __d_alloc+0xc8/0xd50 [ 63.764495] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 63.769521] ? ktime_get_coarse_real_ts64+0x243/0x3a0 [ 63.774701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.780232] ? timespec64_trunc+0xea/0x180 [ 63.784453] ? inode_init_owner+0x340/0x340 [ 63.788771] ? _raw_spin_unlock+0x22/0x30 [ 63.792917] ? current_time+0x10b/0x1b0 [ 63.796875] ? __lockdep_init_map+0x105/0x590 [ 63.801368] d_alloc_pseudo+0x1d/0x30 [ 63.805164] alloc_file_pseudo+0x158/0x3f0 [ 63.809396] ? alloc_file+0x430/0x430 [ 63.813186] ? check_same_owner+0x340/0x340 [ 63.817495] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 63.822502] ? __check_object_size+0xa3/0x5d7 [ 63.826999] ? kasan_check_write+0x14/0x20 [ 63.831237] __shmem_file_setup.part.48+0x110/0x2a0 [ 63.836243] shmem_file_setup+0x65/0x90 [ 63.840207] __x64_sys_memfd_create+0x2af/0x4f0 [ 63.844866] ? memfd_fcntl+0x1e80/0x1e80 [ 63.848946] do_syscall_64+0x1b9/0x820 [ 63.852821] ? finish_task_switch+0x1d3/0x870 [ 63.857304] ? syscall_return_slowpath+0x5e0/0x5e0 [ 63.862235] ? syscall_return_slowpath+0x31d/0x5e0 [ 63.867162] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 63.872176] ? __switch_to_asm+0x34/0x70 [ 63.876246] ? __switch_to_asm+0x34/0x70 [ 63.880313] ? __switch_to_asm+0x40/0x70 [ 63.884387] ? __switch_to_asm+0x34/0x70 [ 63.888431] ? __switch_to_asm+0x40/0x70 [ 63.892482] ? __switch_to_asm+0x34/0x70 [ 63.896538] ? __switch_to_asm+0x40/0x70 [ 63.900587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.905437] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.910635] RIP: 0033:0x456b29 [ 63.913819] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 63.932818] RSP: 002b:00007f420eeb6a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 63.940528] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 63.947797] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 63.955054] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 63.962311] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 63.969587] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 63.977503] Task in /ile0 killed as a result of limit of /ile0 [ 63.983891] memory: usage 140kB, limit 0kB, failcnt 154 [ 63.989364] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 63.996151] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 64.002306] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:4KB unevictable:0KB [ 64.021765] Tasks state (memory values in pages): [ 64.026626] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 64.035529] [ 6641] 0 6641 9393 534 65536 0 0 syz-executor7 [ 64.044590] [ 6650] 0 6650 9426 536 61440 0 0 syz-executor4 [ 64.053665] Memory cgroup out of memory: Kill process 6641 (syz-executor7) score 550000 or sacrifice child [ 64.063526] Killed process 6641 (syz-executor7) total-vm:37572kB, anon-rss:2136kB, file-rss:0kB, shmem-rss:0kB [ 64.075118] oom_reaper: reaped process 6641 (syz-executor7), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 64.075665] syz-executor4 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 64.096941] syz-executor4 cpuset=/ mems_allowed=0 [ 64.101826] CPU: 0 PID: 6650 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 64.110166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.119616] Call Trace: [ 64.122207] dump_stack+0x1c9/0x2b4 [ 64.125835] ? dump_stack_print_info.cold.2+0x52/0x52 [ 64.131045] ? trace_hardirqs_on+0x10/0x10 [ 64.135272] dump_header+0x27b/0xf70 [ 64.138976] ? pagefault_out_of_memory+0x197/0x197 [ 64.143901] ? trace_hardirqs_on+0x10/0x10 [ 64.148122] ? rcu_read_unlock+0x16/0x70 [ 64.152186] ? lock_downgrade+0x8f0/0x8f0 [ 64.156344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 64.161884] ? css_next_child+0x1c3/0x620 [ 64.166023] ? find_lock_task_mm+0x230/0x4d0 [ 64.170425] ? cgroup_get_tree+0xb20/0xb20 [ 64.174661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 64.180217] ? task_will_free_mem+0x239/0xb70 [ 64.184706] ? lock_downgrade+0x8f0/0x8f0 [ 64.188851] ? ___ratelimit+0x36f/0x655 [ 64.192817] ? lock_downgrade+0x8f0/0x8f0 [ 64.196958] ? kasan_check_read+0x11/0x20 [ 64.201097] ? do_raw_spin_unlock+0xa7/0x2f0 [ 64.205508] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 64.210086] ? do_raw_spin_lock+0x200/0x200 [ 64.214401] ? oom_kill_process+0x258/0x290 [ 64.218733] ? lock_downgrade+0x8f0/0x8f0 [ 64.222868] ? trace_hardirqs_on+0xd/0x10 [ 64.227001] ? ___ratelimit+0xaa/0x655 [ 64.230880] ? idr_get_free+0x10d0/0x10d0 [ 64.235032] ? kasan_check_write+0x14/0x20 [ 64.239255] ? do_raw_spin_lock+0xc1/0x200 [ 64.243481] oom_kill_process.cold.28+0x10/0x95a [ 64.248243] ? kasan_check_write+0x14/0x20 [ 64.252589] ? do_raw_spin_lock+0xc1/0x200 [ 64.256833] ? trace_hardirqs_on+0xd/0x10 [ 64.260971] ? oom_evaluate_task+0x540/0x540 [ 64.265371] ? cgroup_procs_next+0x70/0x70 [ 64.269600] ? trace_hardirqs_on+0xd/0x10 [ 64.273744] ? _raw_spin_unlock_irq+0x27/0x70 [ 64.278243] ? oom_badness+0xb00/0xb00 [ 64.282138] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 64.286898] ? mem_cgroup_iter_break+0x30/0x30 [ 64.291480] ? shrink_node+0x16a0/0x16a0 [ 64.295554] ? lock_acquire+0x1e4/0x540 [ 64.299526] ? cgroup_file_notify+0x226/0x2f0 [ 64.304016] out_of_memory+0xa8a/0x14d0 [ 64.307993] ? kasan_check_read+0x11/0x20 [ 64.312138] ? oom_killer_disable+0x3a0/0x3a0 [ 64.316634] ? kasan_check_write+0x14/0x20 [ 64.320872] ? do_raw_spin_lock+0xc1/0x200 [ 64.325113] mem_cgroup_out_of_memory+0x15e/0x210 [ 64.329964] ? memcg_memory_event+0x40/0x40 [ 64.334284] ? page_counter_try_charge+0x1c7/0x220 [ 64.339224] try_charge+0x720/0x1680 [ 64.342930] ? lock_acquire+0x1e4/0x540 [ 64.346896] ? fs_reclaim_acquire+0x20/0x20 [ 64.351208] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 64.357955] ? rcu_note_context_switch+0x730/0x730 [ 64.362882] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 64.367716] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 64.372727] ? __switch_to_asm+0x40/0x70 [ 64.376783] ? __switch_to_asm+0x40/0x70 [ 64.380839] memcg_kmem_charge_memcg+0x7c/0x120 [ 64.385514] ? memcg_kmem_put_cache+0xb0/0xb0 [ 64.390011] ? __free_pages+0x10a/0x190 [ 64.393983] cache_grow_begin+0x207/0x710 [ 64.398131] ? do_raw_spin_unlock+0xa7/0x2f0 [ 64.402533] fallback_alloc+0x203/0x2c0 [ 64.406514] ____cache_alloc_node+0x1c7/0x1e0 [ 64.411122] kmem_cache_alloc+0x1e5/0x760 [ 64.415294] __anon_vma_prepare+0xc4/0x720 [ 64.419557] ? anon_vma_fork+0x960/0x960 [ 64.423612] ? pmd_val+0x88/0x100 [ 64.427142] ? add_mm_counter_fast+0xd0/0xd0 [ 64.431539] ? pmd_val+0x88/0x100 [ 64.434992] ? add_mm_counter_fast+0xd0/0xd0 [ 64.439394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 64.444937] __handle_mm_fault+0x3556/0x4470 [ 64.449344] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 64.454198] ? cap_mmap_addr+0x52/0x130 [ 64.458188] ? userfaultfd_unmap_complete+0x32a/0x510 [ 64.463383] ? security_mmap_addr+0x80/0xa0 [ 64.467702] ? lock_acquire+0x1e4/0x540 [ 64.471663] ? handle_mm_fault+0x417/0xc80 [ 64.475900] ? lock_downgrade+0x8f0/0x8f0 [ 64.480037] ? lock_release+0xa30/0xa30 [ 64.484007] ? lock_release+0xa30/0xa30 [ 64.487972] ? down_read_killable+0x200/0x200 [ 64.492463] ? mem_cgroup_from_task+0xcb/0x1f0 [ 64.497048] ? get_mctgt_type+0xde0/0xde0 [ 64.501209] handle_mm_fault+0x53e/0xc80 [ 64.505261] ? __handle_mm_fault+0x4470/0x4470 [ 64.509855] ? find_vma+0x34/0x190 [ 64.513390] __do_page_fault+0x620/0xe50 [ 64.517456] ? mm_fault_error+0x380/0x380 [ 64.521606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 64.527153] ? __x64_sys_clock_gettime+0x170/0x250 [ 64.532083] ? __ia32_sys_clock_settime+0x290/0x290 [ 64.537100] do_page_fault+0xf6/0x8c0 [ 64.540896] ? vmalloc_sync_all+0x30/0x30 [ 64.545051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 64.550589] ? do_syscall_64+0x497/0x820 [ 64.554638] ? syscall_slow_exit_work+0x500/0x500 [ 64.559476] ? syscall_return_slowpath+0x5e0/0x5e0 [ 64.564411] ? syscall_return_slowpath+0x31d/0x5e0 [ 64.569340] ? prepare_exit_to_usermode+0x291/0x3b0 [ 64.574363] ? page_fault+0x8/0x30 [ 64.577902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.582737] ? page_fault+0x8/0x30 [ 64.586815] page_fault+0x1e/0x30 [ 64.590257] RIP: 0033:0x40e33f [ 64.593439] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 64.612372] RSP: 002b:00007ffcc7fddb40 EFLAGS: 00010206 [ 64.617750] RAX: 00007f834cce8000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 64.625013] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 64.632319] RBP: 00007ffcc7fddc20 R08: ffffffffffffffff R09: 0000000000000000 [ 64.639590] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcc7fddd10 [ 64.646850] R13: 00007f834cd08700 R14: 0000000000000005 R15: 0000000000000001 [ 64.654682] Task in /ile0 killed as a result of limit of /ile0 [ 64.660736] memory: usage 148kB, limit 0kB, failcnt 168 [ 64.666119] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 64.672888] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 64.679050] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:4KB unevictable:0KB [ 64.698588] Tasks state (memory values in pages): [ 64.703568] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 64.712492] [ 6650] 0 6650 9426 536 61440 0 0 syz-executor4 [ 64.721547] Memory cgroup out of memory: Kill process 6650 (syz-executor4) score 551000 or sacrifice child [ 64.731383] Killed process 6650 (syz-executor4) total-vm:37704kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 64.742976] oom_reaper: reaped process 6650 (syz-executor4), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 64.796275] syz-executor2 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 64.808263] syz-executor2 cpuset=/ mems_allowed=0 [ 64.813247] CPU: 1 PID: 6660 Comm: syz-executor2 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 64.821575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.830935] Call Trace: [ 64.833531] dump_stack+0x1c9/0x2b4 [ 64.837172] ? dump_stack_print_info.cold.2+0x52/0x52 [ 64.842383] ? lock_downgrade+0x8f0/0x8f0 [ 64.847502] dump_header+0x27b/0xf70 [ 64.851228] ? trace_hardirqs_on+0x10/0x10 [ 64.855487] ? pagefault_out_of_memory+0x197/0x197 [ 64.860617] ? trace_hardirqs_on+0x10/0x10 [ 64.864866] ? trace_hardirqs_on+0x10/0x10 [ 64.869114] ? rcu_read_unlock+0x16/0x70 [ 64.873188] ? lock_downgrade+0x8f0/0x8f0 [ 64.877332] ? trace_hardirqs_on+0x10/0x10 [ 64.881584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 64.887123] ? css_next_child+0x1c3/0x620 [ 64.891268] ? find_lock_task_mm+0x230/0x4d0 [ 64.895682] ? cgroup_get_tree+0xb20/0xb20 [ 64.899911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 64.905446] ? task_will_free_mem+0x239/0xb70 [ 64.910474] ? lock_downgrade+0x8f0/0x8f0 [ 64.914620] ? ___ratelimit+0x36f/0x655 [ 64.918602] ? lock_downgrade+0x8f0/0x8f0 [ 64.922757] ? kasan_check_read+0x11/0x20 [ 64.926910] ? do_raw_spin_unlock+0xa7/0x2f0 [ 64.931305] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 64.935889] ? do_raw_spin_lock+0x200/0x200 [ 64.940403] ? oom_kill_process+0x258/0x290 [ 64.944745] ? lock_downgrade+0x8f0/0x8f0 [ 64.948885] ? trace_hardirqs_on+0xd/0x10 [ 64.953026] ? ___ratelimit+0xaa/0x655 [ 64.956908] ? idr_get_free+0x10d0/0x10d0 [ 64.961065] ? kasan_check_write+0x14/0x20 [ 64.965287] ? do_raw_spin_lock+0xc1/0x200 [ 64.969526] oom_kill_process.cold.28+0x10/0x95a [ 64.974285] ? kasan_check_write+0x14/0x20 [ 64.978507] ? do_raw_spin_lock+0xc1/0x200 [ 64.982740] ? trace_hardirqs_on+0xd/0x10 [ 64.986896] ? oom_evaluate_task+0x540/0x540 [ 64.991295] ? cgroup_procs_next+0x70/0x70 [ 64.995522] ? trace_hardirqs_on+0xd/0x10 [ 64.999670] ? _raw_spin_unlock_irq+0x27/0x70 [ 65.004155] ? oom_badness+0xb00/0xb00 [ 65.008028] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 65.012773] ? mem_cgroup_iter_break+0x30/0x30 [ 65.017363] ? shrink_node+0x16a0/0x16a0 [ 65.021507] ? lock_acquire+0x1e4/0x540 [ 65.025469] ? cgroup_file_notify+0x226/0x2f0 [ 65.029953] out_of_memory+0xa8a/0x14d0 [ 65.033919] ? kasan_check_read+0x11/0x20 [ 65.038066] ? oom_killer_disable+0x3a0/0x3a0 [ 65.042557] ? kasan_check_write+0x14/0x20 [ 65.046793] ? do_raw_spin_lock+0xc1/0x200 [ 65.051028] ? trace_hardirqs_on+0xd/0x10 [ 65.055167] mem_cgroup_out_of_memory+0x15e/0x210 [ 65.060013] ? memcg_memory_event+0x40/0x40 [ 65.064326] ? page_counter_try_charge+0x1c7/0x220 [ 65.069252] try_charge+0x720/0x1680 [ 65.072950] ? lock_acquire+0x1e4/0x540 [ 65.076915] ? fs_reclaim_acquire+0x20/0x20 [ 65.081241] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 65.087986] ? rcu_note_context_switch+0x730/0x730 [ 65.092908] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 65.097752] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 65.102892] memcg_kmem_charge_memcg+0x7c/0x120 [ 65.107584] ? memcg_kmem_put_cache+0xb0/0xb0 [ 65.112077] ? __free_pages+0x10a/0x190 [ 65.116063] cache_grow_begin+0x207/0x710 [ 65.120326] ? do_raw_spin_unlock+0xa7/0x2f0 [ 65.125000] fallback_alloc+0x203/0x2c0 [ 65.128979] ____cache_alloc_node+0x1c7/0x1e0 [ 65.133465] kmem_cache_alloc+0x1e5/0x760 [ 65.137605] ? trace_hardirqs_on+0x10/0x10 [ 65.141834] __alloc_file+0xac/0x400 [ 65.145539] ? file_free_rcu+0x90/0x90 [ 65.149419] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 65.154436] ? bpf_prog_kallsyms_find+0xde/0x4c0 [ 65.159199] ? lock_acquire+0x1e4/0x540 [ 65.163169] ? is_bpf_text_address+0xae/0x170 [ 65.167672] ? lock_downgrade+0x8f0/0x8f0 [ 65.171818] alloc_empty_file+0x72/0x170 [ 65.175874] path_openat+0x15f/0x5300 [ 65.179680] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 65.184354] ? is_bpf_text_address+0xd7/0x170 [ 65.188844] ? kernel_text_address+0x79/0xf0 [ 65.193256] ? __kernel_text_address+0xd/0x40 [ 65.197758] ? path_lookupat.isra.45+0xc00/0xc00 [ 65.202525] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 65.207544] ? expand_files.part.8+0x571/0x9c0 [ 65.212158] ? iterate_fd+0x4b0/0x4b0 [ 65.215956] ? lock_acquire+0x1e4/0x540 [ 65.219934] ? __alloc_fd+0x34e/0x710 [ 65.223816] ? lock_downgrade+0x8f0/0x8f0 [ 65.227952] ? do_sys_open+0x3a2/0x720 [ 65.231841] ? kasan_check_read+0x11/0x20 [ 65.235987] ? do_raw_spin_unlock+0xa7/0x2f0 [ 65.240393] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 65.244973] ? kasan_check_write+0x14/0x20 [ 65.249197] ? do_raw_spin_lock+0xc1/0x200 [ 65.253425] ? _raw_spin_unlock+0x22/0x30 [ 65.257569] ? __alloc_fd+0x34e/0x710 [ 65.261364] ? usercopy_warn+0x120/0x120 [ 65.265421] do_filp_open+0x255/0x380 [ 65.269212] ? may_open_dev+0x100/0x100 [ 65.273181] ? get_unused_fd_flags+0x122/0x1a0 [ 65.277764] ? __alloc_fd+0x710/0x710 [ 65.281567] do_sys_open+0x584/0x720 [ 65.285275] ? filp_open+0x80/0x80 [ 65.288804] ? do_sys_ftruncate+0x44e/0x560 [ 65.293114] __x64_sys_open+0x7e/0xc0 [ 65.296906] do_syscall_64+0x1b9/0x820 [ 65.300799] ? finish_task_switch+0x1d3/0x870 [ 65.305282] ? syscall_return_slowpath+0x5e0/0x5e0 [ 65.310213] ? syscall_return_slowpath+0x31d/0x5e0 [ 65.315131] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 65.320136] ? __switch_to_asm+0x34/0x70 [ 65.324185] ? __switch_to_asm+0x34/0x70 [ 65.328234] ? __switch_to_asm+0x40/0x70 [ 65.332286] ? __switch_to_asm+0x34/0x70 [ 65.336344] ? __switch_to_asm+0x40/0x70 [ 65.340405] ? __switch_to_asm+0x34/0x70 [ 65.344454] ? __switch_to_asm+0x40/0x70 [ 65.348506] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.353346] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.358537] RIP: 0033:0x410861 [ 65.361722] Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 b4 17 00 00 c3 48 83 ec 08 e8 8a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 d3 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 65.380765] RSP: 002b:00007fb8ae7a8a80 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 65.388573] RAX: ffffffffffffffda RBX: 0000000020000750 RCX: 0000000000410861 [ 65.395828] RDX: 00007fb8ae7a8afa RSI: 0000000000000002 RDI: 00007fb8ae7a8af0 [ 65.403082] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a [ 65.410354] R10: 0000000000000075 R11: 0000000000000293 R12: 0000000000000005 [ 65.417796] R13: 0000000000000000 R14: 00000000004c9491 R15: 0000000000000000 [ 65.426312] Task in /ile0 killed as a result of limit of /ile0 [ 65.432387] memory: usage 120kB, limit 0kB, failcnt 252 [ 65.437792] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 65.444572] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 65.450732] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 65.470198] Tasks state (memory values in pages): [ 65.475066] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 65.483953] [ 6657] 0 6657 9426 536 61440 0 0 syz-executor2 [ 65.493035] [ 6659] 0 6659 9426 534 65536 0 0 syz-executor7 [ 65.502088] [ 6661] 0 6661 9426 535 65536 0 0 syz-executor3 [ 65.511153] [ 6662] 0 6662 9426 536 61440 0 0 syz-executor4 [ 65.521189] Memory cgroup out of memory: Kill process 6657 (syz-executor2) score 551000 or sacrifice child [ 65.531053] Killed process 6657 (syz-executor2) total-vm:37704kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 65.542643] oom_reaper: reaped process 6657 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 65.613276] syz-executor1 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 65.625211] syz-executor1 cpuset=/ mems_allowed=0 [ 65.630210] CPU: 0 PID: 6678 Comm: syz-executor1 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 65.638609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.647962] Call Trace: [ 65.650552] dump_stack+0x1c9/0x2b4 [ 65.654180] ? dump_stack_print_info.cold.2+0x52/0x52 [ 65.659392] ? trace_hardirqs_on+0x10/0x10 [ 65.663616] dump_header+0x27b/0xf70 [ 65.667322] ? pagefault_out_of_memory+0x197/0x197 [ 65.672278] ? do_raw_spin_unlock+0xa7/0x2f0 [ 65.676673] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 65.681240] ? compat_start_thread+0x80/0x80 [ 65.685656] ? trace_hardirqs_on+0x10/0x10 [ 65.689880] ? trace_hardirqs_on+0xd/0x10 [ 65.694023] ? _raw_spin_unlock_irq+0x27/0x70 [ 65.698524] ? finish_task_switch+0x1d3/0x870 [ 65.703009] ? finish_task_switch+0x18a/0x870 [ 65.707499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 65.713036] ? css_next_child+0x1c3/0x620 [ 65.717195] ? find_lock_task_mm+0x230/0x4d0 [ 65.721593] ? cgroup_get_tree+0xb20/0xb20 [ 65.725823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 65.731351] ? task_will_free_mem+0x239/0xb70 [ 65.735930] ? lock_downgrade+0x8f0/0x8f0 [ 65.740078] ? ___ratelimit+0x36f/0x655 [ 65.744060] ? lock_downgrade+0x8f0/0x8f0 [ 65.748223] ? kasan_check_read+0x11/0x20 [ 65.752384] ? do_raw_spin_unlock+0xa7/0x2f0 [ 65.756781] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 65.761359] ? do_raw_spin_lock+0x200/0x200 [ 65.765673] ? oom_kill_process+0x258/0x290 [ 65.769986] ? lock_downgrade+0x8f0/0x8f0 [ 65.774132] ? trace_hardirqs_on+0xd/0x10 [ 65.778271] ? ___ratelimit+0xaa/0x655 [ 65.782144] ? idr_get_free+0x10d0/0x10d0 [ 65.786284] ? kasan_check_write+0x14/0x20 [ 65.790509] ? do_raw_spin_lock+0xc1/0x200 [ 65.794734] oom_kill_process.cold.28+0x10/0x95a [ 65.799484] ? kasan_check_write+0x14/0x20 [ 65.803735] ? do_raw_spin_lock+0xc1/0x200 [ 65.807979] ? trace_hardirqs_on+0xd/0x10 [ 65.812127] ? oom_evaluate_task+0x540/0x540 [ 65.816552] ? cgroup_procs_next+0x70/0x70 [ 65.820803] ? trace_hardirqs_on+0xd/0x10 [ 65.824953] ? _raw_spin_unlock_irq+0x27/0x70 [ 65.829448] ? oom_badness+0xb00/0xb00 [ 65.833347] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 65.838095] ? mem_cgroup_iter_break+0x30/0x30 [ 65.842663] ? shrink_node+0x16a0/0x16a0 [ 65.846716] ? lock_acquire+0x1e4/0x540 [ 65.850685] ? cgroup_file_notify+0x226/0x2f0 [ 65.855177] out_of_memory+0xa8a/0x14d0 [ 65.859155] ? kasan_check_read+0x11/0x20 [ 65.863294] ? oom_killer_disable+0x3a0/0x3a0 [ 65.867775] ? kasan_check_write+0x14/0x20 [ 65.871999] ? do_raw_spin_lock+0xc1/0x200 [ 65.876244] mem_cgroup_out_of_memory+0x15e/0x210 [ 65.881093] ? memcg_memory_event+0x40/0x40 [ 65.885428] ? page_counter_try_charge+0x1c7/0x220 [ 65.890361] try_charge+0x720/0x1680 [ 65.894075] ? lock_acquire+0x1e4/0x540 [ 65.898044] ? fs_reclaim_acquire+0x20/0x20 [ 65.902370] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 65.909131] ? rcu_note_context_switch+0x730/0x730 [ 65.914229] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 65.919070] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 65.924080] memcg_kmem_charge_memcg+0x7c/0x120 [ 65.928758] ? memcg_kmem_put_cache+0xb0/0xb0 [ 65.933242] ? __free_pages+0x10a/0x190 [ 65.937212] cache_grow_begin+0x207/0x710 [ 65.941364] ? do_raw_spin_unlock+0xa7/0x2f0 [ 65.945763] fallback_alloc+0x203/0x2c0 [ 65.949820] ____cache_alloc_node+0x1c7/0x1e0 [ 65.954331] kmem_cache_alloc+0x1e5/0x760 [ 65.958477] ? lock_downgrade+0x8f0/0x8f0 [ 65.962637] ? shmem_destroy_callback+0xc0/0xc0 [ 65.967296] shmem_alloc_inode+0x1b/0x40 [ 65.971346] alloc_inode+0x63/0x190 [ 65.974960] new_inode_pseudo+0x71/0x1a0 [ 65.979010] ? prune_icache_sb+0x1c0/0x1c0 [ 65.983238] ? _raw_spin_unlock+0x22/0x30 [ 65.987378] new_inode+0x1c/0x40 [ 65.990735] shmem_get_inode+0xf1/0x910 [ 65.994697] ? shmem_encode_fh+0x340/0x340 [ 65.998926] ? lock_downgrade+0x8f0/0x8f0 [ 66.003059] ? lock_release+0xa30/0xa30 [ 66.007024] ? check_same_owner+0x340/0x340 [ 66.011350] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 66.016392] ? __check_object_size+0xa3/0x5d7 [ 66.020884] __shmem_file_setup.part.48+0x83/0x2a0 [ 66.025814] shmem_file_setup+0x65/0x90 [ 66.029783] __x64_sys_memfd_create+0x2af/0x4f0 [ 66.034447] ? memfd_fcntl+0x1e80/0x1e80 [ 66.038493] ? ksys_mount+0xa8/0x140 [ 66.042198] do_syscall_64+0x1b9/0x820 [ 66.046092] ? finish_task_switch+0x1d3/0x870 [ 66.050580] ? syscall_return_slowpath+0x5e0/0x5e0 [ 66.055502] ? syscall_return_slowpath+0x31d/0x5e0 [ 66.060423] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 66.065796] ? __switch_to_asm+0x34/0x70 [ 66.069863] ? __switch_to_asm+0x34/0x70 [ 66.073933] ? __switch_to_asm+0x40/0x70 [ 66.077980] ? __switch_to_asm+0x34/0x70 [ 66.082032] ? __switch_to_asm+0x40/0x70 [ 66.086086] ? __switch_to_asm+0x34/0x70 [ 66.090144] ? __switch_to_asm+0x40/0x70 [ 66.094210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.099077] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.104273] RIP: 0033:0x456b29 [ 66.107467] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 66.126367] RSP: 002b:00007f0481364a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 66.134081] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 66.141345] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 66.148609] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 66.155867] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 66.163134] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 66.170857] Task in /ile0 killed as a result of limit of /ile0 [ 66.176904] memory: usage 124kB, limit 0kB, failcnt 984 [ 66.182284] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 66.189053] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 66.195220] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 66.214674] Tasks state (memory values in pages): [ 66.219665] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 66.228558] [ 6659] 0 6659 9426 534 65536 0 0 syz-executor7 [ 66.237640] [ 6661] 0 6661 9426 535 65536 0 0 syz-executor3 [ 66.246697] [ 6662] 0 6662 9426 536 61440 0 0 syz-executor4 [ 66.255759] [ 6673] 0 6673 9426 535 65536 0 0 syz-executor1 [ 66.264817] [ 6674] 0 6674 9426 535 65536 0 0 syz-executor5 [ 66.273871] [ 6676] 0 6676 9426 535 61440 0 0 syz-executor0 [ 66.283367] Memory cgroup out of memory: Kill process 6661 (syz-executor3) score 551000 or sacrifice child [ 66.293256] Killed process 6661 (syz-executor3) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 66.304920] oom_reaper: reaped process 6661 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 66.355926] syz-executor7 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 66.366919] syz-executor7 cpuset=/ mems_allowed=0 [ 66.371832] CPU: 1 PID: 6659 Comm: syz-executor7 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 66.380142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.389493] Call Trace: [ 66.392092] dump_stack+0x1c9/0x2b4 [ 66.395726] ? dump_stack_print_info.cold.2+0x52/0x52 [ 66.400923] ? trace_hardirqs_on+0x10/0x10 [ 66.405149] dump_header+0x27b/0xf70 [ 66.408859] ? pagefault_out_of_memory+0x197/0x197 [ 66.413948] ? do_raw_spin_unlock+0xa7/0x2f0 [ 66.419142] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 66.423726] ? compat_start_thread+0x80/0x80 [ 66.428251] ? trace_hardirqs_on+0x10/0x10 [ 66.432487] ? kasan_check_write+0x14/0x20 [ 66.436710] ? finish_task_switch+0x2ca/0x870 [ 66.441202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.446762] ? css_next_child+0x1c3/0x620 [ 66.450903] ? find_lock_task_mm+0x230/0x4d0 [ 66.455301] ? cgroup_get_tree+0xb20/0xb20 [ 66.459523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.465745] ? task_will_free_mem+0x239/0xb70 [ 66.470234] ? lock_downgrade+0x8f0/0x8f0 [ 66.474633] ? ___ratelimit+0x36f/0x655 [ 66.478595] ? lock_downgrade+0x8f0/0x8f0 [ 66.482734] ? kasan_check_read+0x11/0x20 [ 66.486866] ? do_raw_spin_unlock+0xa7/0x2f0 [ 66.491264] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 66.495834] ? do_raw_spin_lock+0x200/0x200 [ 66.500148] ? oom_kill_process+0x258/0x290 [ 66.504460] ? lock_downgrade+0x8f0/0x8f0 [ 66.508612] ? trace_hardirqs_on+0xd/0x10 [ 66.512757] ? ___ratelimit+0xaa/0x655 [ 66.516636] ? idr_get_free+0x10d0/0x10d0 [ 66.520784] ? kasan_check_write+0x14/0x20 [ 66.525022] ? do_raw_spin_lock+0xc1/0x200 [ 66.529265] oom_kill_process.cold.28+0x10/0x95a [ 66.534012] ? kasan_check_write+0x14/0x20 [ 66.538246] ? do_raw_spin_lock+0xc1/0x200 [ 66.542483] ? trace_hardirqs_on+0xd/0x10 [ 66.546624] ? oom_evaluate_task+0x540/0x540 [ 66.551031] ? cgroup_procs_next+0x70/0x70 [ 66.555258] ? trace_hardirqs_on+0xd/0x10 [ 66.559397] ? _raw_spin_unlock_irq+0x27/0x70 [ 66.563889] ? oom_badness+0xb00/0xb00 [ 66.567765] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 66.572511] ? mem_cgroup_iter_break+0x30/0x30 [ 66.577080] ? shrink_node+0x16a0/0x16a0 [ 66.581133] ? lock_acquire+0x1e4/0x540 [ 66.585112] ? cgroup_file_notify+0x226/0x2f0 [ 66.589602] out_of_memory+0xa8a/0x14d0 [ 66.593564] ? kasan_check_read+0x11/0x20 [ 66.597700] ? oom_killer_disable+0x3a0/0x3a0 [ 66.602196] ? kasan_check_write+0x14/0x20 [ 66.606420] ? do_raw_spin_lock+0xc1/0x200 [ 66.610651] mem_cgroup_out_of_memory+0x15e/0x210 [ 66.615481] ? memcg_memory_event+0x40/0x40 [ 66.619793] ? page_counter_try_charge+0x1c7/0x220 [ 66.624712] try_charge+0x720/0x1680 [ 66.628445] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 66.635199] ? lock_downgrade+0x8f0/0x8f0 [ 66.639339] ? lock_release+0xa30/0xa30 [ 66.643304] ? __anon_vma_prepare+0xc4/0x720 [ 66.647705] ? handle_mm_fault+0x53e/0xc80 [ 66.651945] ? fs_reclaim_acquire+0x20/0x20 [ 66.656268] ? lock_downgrade+0x8f0/0x8f0 [ 66.660405] ? percpu_ref_put_many+0x119/0x240 [ 66.664977] ? get_mem_cgroup_from_mm+0x209/0x440 [ 66.669811] ? get_mem_cgroup_from_page+0x190/0x190 [ 66.674838] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 66.679695] ? lock_acquire+0x1e4/0x540 [ 66.683674] mem_cgroup_try_charge+0x4ff/0xa70 [ 66.688257] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 66.693266] ? mem_cgroup_protected+0xa60/0xa60 [ 66.697928] ? up_write+0x7b/0x220 [ 66.701452] ? up_read+0x110/0x110 [ 66.704995] ? __anon_vma_prepare+0x36d/0x720 [ 66.709484] ? pmd_val+0x88/0x100 [ 66.712928] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 66.718478] mem_cgroup_try_charge_delay+0x1d/0x90 [ 66.723841] __handle_mm_fault+0x25be/0x4470 [ 66.728237] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 66.733065] ? cap_mmap_addr+0x52/0x130 [ 66.737029] ? userfaultfd_unmap_complete+0x32a/0x510 [ 66.742731] ? security_mmap_addr+0x80/0xa0 [ 66.747045] ? lock_acquire+0x1e4/0x540 [ 66.751004] ? handle_mm_fault+0x417/0xc80 [ 66.755229] ? lock_downgrade+0x8f0/0x8f0 [ 66.759366] ? lock_release+0xa30/0xa30 [ 66.763333] ? lock_release+0xa30/0xa30 [ 66.767299] ? down_read_killable+0x200/0x200 [ 66.771794] ? mem_cgroup_from_task+0xcb/0x1f0 [ 66.776465] ? get_mctgt_type+0xde0/0xde0 [ 66.780603] handle_mm_fault+0x53e/0xc80 [ 66.784653] ? __handle_mm_fault+0x4470/0x4470 [ 66.789223] ? find_vma+0x34/0x190 [ 66.792759] __do_page_fault+0x620/0xe50 [ 66.796811] ? mm_fault_error+0x380/0x380 [ 66.800947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.806469] ? __x64_sys_clock_gettime+0x170/0x250 [ 66.811386] ? __ia32_sys_clock_settime+0x290/0x290 [ 66.816392] do_page_fault+0xf6/0x8c0 [ 66.820182] ? vmalloc_sync_all+0x30/0x30 [ 66.824323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.829873] ? do_syscall_64+0x497/0x820 [ 66.833925] ? syscall_return_slowpath+0x5e0/0x5e0 [ 66.838841] ? syscall_return_slowpath+0x31d/0x5e0 [ 66.843852] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 66.848858] ? prepare_exit_to_usermode+0x291/0x3b0 [ 66.853884] ? page_fault+0x8/0x30 [ 66.857419] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.862252] ? page_fault+0x8/0x30 [ 66.865787] page_fault+0x1e/0x30 [ 66.869228] RIP: 0033:0x40e33f [ 66.872416] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 66.891311] RSP: 002b:00007ffe6bfe9770 EFLAGS: 00010206 [ 66.896662] RAX: 00007f420ee76000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 66.903917] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 66.911352] RBP: 00007ffe6bfe9850 R08: ffffffffffffffff R09: 0000000000000000 [ 66.918612] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe6bfe9940 [ 66.925869] R13: 00007f420ee96700 R14: 0000000000000005 R15: 0000000000000001 [ 66.933364] Task in /ile0 killed as a result of limit of /ile0 [ 66.939400] memory: usage 128kB, limit 0kB, failcnt 2157 [ 66.944868] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 66.951642] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 2018/08/05 10:44:47 executed programs: 42 [ 66.957808] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 66.977266] Tasks state (memory values in pages): [ 66.982146] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 66.991051] [ 6659] 0 6659 9426 534 65536 0 0 syz-executor7 [ 67.000124] [ 6665] 0 6661 9426 1 61440 0 0 syz-executor3 [ 67.009205] [ 6662] 0 6662 9426 536 61440 0 0 syz-executor4 [ 67.018264] [ 6673] 0 6673 9426 535 65536 0 0 syz-executor1 [ 67.027331] [ 6674] 0 6674 9426 535 65536 0 0 syz-executor5 [ 67.036407] [ 6676] 0 6676 9426 535 61440 0 0 syz-executor0 [ 67.045468] [ 6683] 0 6683 9426 535 65536 0 0 syz-executor6 [ 67.054510] Memory cgroup out of memory: Kill process 6662 (syz-executor4) score 551000 or sacrifice child [ 67.064367] Killed process 6662 (syz-executor4) total-vm:37704kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 67.077097] oom_reaper: reaped process 6662 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 67.109119] syz-executor1 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 67.120080] syz-executor1 cpuset=/ mems_allowed=0 [ 67.124993] CPU: 1 PID: 6673 Comm: syz-executor1 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 67.133313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.142664] Call Trace: [ 67.145244] dump_stack+0x1c9/0x2b4 [ 67.148858] ? dump_stack_print_info.cold.2+0x52/0x52 [ 67.154215] ? trace_hardirqs_on+0x10/0x10 [ 67.158447] dump_header+0x27b/0xf70 [ 67.162161] ? pagefault_out_of_memory+0x197/0x197 [ 67.167083] ? do_raw_spin_unlock+0xa7/0x2f0 [ 67.171487] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 67.176063] ? compat_start_thread+0x80/0x80 [ 67.180460] ? trace_hardirqs_on+0x10/0x10 [ 67.184685] ? kasan_check_write+0x14/0x20 [ 67.188917] ? finish_task_switch+0x2ca/0x870 [ 67.193408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.198946] ? css_next_child+0x1c3/0x620 [ 67.203094] ? find_lock_task_mm+0x230/0x4d0 [ 67.207503] ? cgroup_get_tree+0xb20/0xb20 [ 67.211729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.217271] ? task_will_free_mem+0x239/0xb70 [ 67.221761] ? lock_downgrade+0x8f0/0x8f0 [ 67.225898] ? ___ratelimit+0x36f/0x655 [ 67.229868] ? lock_downgrade+0x8f0/0x8f0 [ 67.234006] ? kasan_check_read+0x11/0x20 [ 67.238141] ? do_raw_spin_unlock+0xa7/0x2f0 [ 67.242539] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 67.247109] ? do_raw_spin_lock+0x200/0x200 [ 67.251421] ? oom_kill_process+0x258/0x290 [ 67.255733] ? lock_downgrade+0x8f0/0x8f0 [ 67.259871] ? trace_hardirqs_on+0xd/0x10 [ 67.264021] ? ___ratelimit+0xaa/0x655 [ 67.267896] ? idr_get_free+0x10d0/0x10d0 [ 67.272040] ? kasan_check_write+0x14/0x20 [ 67.276264] ? do_raw_spin_lock+0xc1/0x200 [ 67.280489] oom_kill_process.cold.28+0x10/0x95a [ 67.285251] ? kasan_check_write+0x14/0x20 [ 67.289490] ? do_raw_spin_lock+0xc1/0x200 [ 67.293721] ? trace_hardirqs_on+0xd/0x10 [ 67.297857] ? oom_evaluate_task+0x540/0x540 [ 67.302252] ? cgroup_procs_next+0x70/0x70 [ 67.306490] ? trace_hardirqs_on+0xd/0x10 [ 67.310630] ? _raw_spin_unlock_irq+0x27/0x70 [ 67.315114] ? oom_badness+0xb00/0xb00 [ 67.318993] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 67.323759] ? mem_cgroup_iter_break+0x30/0x30 [ 67.328347] ? shrink_node+0x16a0/0x16a0 [ 67.332412] ? lock_acquire+0x1e4/0x540 [ 67.336385] ? cgroup_file_notify+0x226/0x2f0 [ 67.340875] out_of_memory+0xa8a/0x14d0 [ 67.344840] ? kasan_check_read+0x11/0x20 [ 67.348974] ? oom_killer_disable+0x3a0/0x3a0 [ 67.353465] ? kasan_check_write+0x14/0x20 [ 67.357685] ? do_raw_spin_lock+0xc1/0x200 [ 67.361913] mem_cgroup_out_of_memory+0x15e/0x210 [ 67.366751] ? memcg_memory_event+0x40/0x40 [ 67.371067] ? page_counter_try_charge+0x1c7/0x220 [ 67.375984] try_charge+0x720/0x1680 [ 67.379715] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 67.386472] ? lock_downgrade+0x8f0/0x8f0 [ 67.390626] ? lock_release+0xa30/0xa30 [ 67.394597] ? __anon_vma_prepare+0xc4/0x720 [ 67.398992] ? handle_mm_fault+0x53e/0xc80 [ 67.403215] ? fs_reclaim_acquire+0x20/0x20 [ 67.407523] ? lock_downgrade+0x8f0/0x8f0 [ 67.411663] ? percpu_ref_put_many+0x119/0x240 [ 67.416245] ? get_mem_cgroup_from_mm+0x209/0x440 [ 67.421075] ? get_mem_cgroup_from_page+0x190/0x190 [ 67.426090] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 67.430931] ? lock_acquire+0x1e4/0x540 [ 67.434895] mem_cgroup_try_charge+0x4ff/0xa70 [ 67.439462] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 67.444465] ? mem_cgroup_protected+0xa60/0xa60 [ 67.449119] ? up_write+0x7b/0x220 [ 67.452645] ? up_read+0x110/0x110 [ 67.456173] ? __anon_vma_prepare+0x36d/0x720 [ 67.460656] ? pmd_val+0x88/0x100 [ 67.464105] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 67.469629] mem_cgroup_try_charge_delay+0x1d/0x90 [ 67.474543] __handle_mm_fault+0x25be/0x4470 [ 67.478935] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 67.483761] ? cap_mmap_addr+0x52/0x130 [ 67.487721] ? userfaultfd_unmap_complete+0x32a/0x510 [ 67.492900] ? security_mmap_addr+0x80/0xa0 [ 67.497229] ? lock_acquire+0x1e4/0x540 [ 67.501208] ? handle_mm_fault+0x417/0xc80 [ 67.505429] ? lock_downgrade+0x8f0/0x8f0 [ 67.509563] ? lock_release+0xa30/0xa30 [ 67.513538] ? lock_release+0xa30/0xa30 [ 67.517514] ? down_read_killable+0x200/0x200 [ 67.522007] ? mem_cgroup_from_task+0xcb/0x1f0 [ 67.526600] ? get_mctgt_type+0xde0/0xde0 [ 67.530747] handle_mm_fault+0x53e/0xc80 [ 67.534797] ? __handle_mm_fault+0x4470/0x4470 [ 67.539371] ? find_vma+0x34/0x190 [ 67.542902] __do_page_fault+0x620/0xe50 [ 67.547064] ? mm_fault_error+0x380/0x380 [ 67.551200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.556726] ? __x64_sys_clock_gettime+0x170/0x250 [ 67.561651] ? __ia32_sys_clock_settime+0x290/0x290 [ 67.566664] do_page_fault+0xf6/0x8c0 [ 67.570456] ? vmalloc_sync_all+0x30/0x30 [ 67.574598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.580121] ? do_syscall_64+0x497/0x820 [ 67.584171] ? syscall_return_slowpath+0x5e0/0x5e0 [ 67.589089] ? syscall_return_slowpath+0x31d/0x5e0 [ 67.594091] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 67.599093] ? prepare_exit_to_usermode+0x291/0x3b0 [ 67.604099] ? page_fault+0x8/0x30 [ 67.607629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.612474] ? page_fault+0x8/0x30 [ 67.616006] page_fault+0x1e/0x30 [ 67.619444] RIP: 0033:0x40e33f [ 67.622624] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 67.641528] RSP: 002b:00007ffd226d3410 EFLAGS: 00010206 [ 67.646890] RAX: 00007f0481324000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 67.654172] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 67.661427] RBP: 00007ffd226d34f0 R08: ffffffffffffffff R09: 0000000000000000 [ 67.668686] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd226d35e0 [ 67.675946] R13: 00007f0481344700 R14: 0000000000000005 R15: 0000000000000001 [ 67.683271] Task in /ile0 killed as a result of limit of /ile0 [ 67.689329] memory: usage 140kB, limit 0kB, failcnt 2626 [ 67.694824] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 67.701585] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 67.707735] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 67.727151] Tasks state (memory values in pages): [ 67.732034] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 67.740939] [ 6659] 0 6659 9426 534 65536 0 0 syz-executor7 [ 67.749991] [ 6673] 0 6673 9426 535 65536 0 0 syz-executor1 [ 67.759057] [ 6674] 0 6674 9426 535 65536 0 0 syz-executor5 [ 67.768104] [ 6676] 0 6676 9426 535 61440 0 0 syz-executor0 [ 67.777147] [ 6683] 0 6683 9426 535 65536 0 0 syz-executor6 [ 67.786186] [ 6690] 0 6690 9426 536 61440 0 0 syz-executor2 [ 67.795222] [ 6691] 0 6691 9426 535 65536 0 0 syz-executor3 [ 67.804359] Memory cgroup out of memory: Kill process 6673 (syz-executor1) score 551000 or sacrifice child [ 67.814217] Killed process 6673 (syz-executor1) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 67.826794] syz-executor6 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 67.838713] syz-executor6 cpuset=/ mems_allowed=0 [ 67.843594] CPU: 0 PID: 6684 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 67.851894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.861235] Call Trace: [ 67.863819] dump_stack+0x1c9/0x2b4 [ 67.867435] ? dump_stack_print_info.cold.2+0x52/0x52 [ 67.872618] ? trace_hardirqs_on+0x10/0x10 [ 67.876842] dump_header+0x27b/0xf70 [ 67.880548] ? pagefault_out_of_memory+0x197/0x197 [ 67.886080] ? do_raw_spin_unlock+0xa7/0x2f0 [ 67.890476] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 67.895044] ? compat_start_thread+0x80/0x80 [ 67.899441] ? trace_hardirqs_on+0x10/0x10 [ 67.903665] ? kasan_check_write+0x14/0x20 [ 67.907889] ? finish_task_switch+0x2ca/0x870 [ 67.912382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.917917] ? css_next_child+0x1c3/0x620 [ 67.922054] ? find_lock_task_mm+0x230/0x4d0 [ 67.926451] ? cgroup_get_tree+0xb20/0xb20 [ 67.930673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.936199] ? task_will_free_mem+0x239/0xb70 [ 67.940685] ? lock_downgrade+0x8f0/0x8f0 [ 67.944824] ? ___ratelimit+0x36f/0x655 [ 67.948791] ? lock_downgrade+0x8f0/0x8f0 [ 67.952949] ? kasan_check_read+0x11/0x20 [ 67.957083] ? do_raw_spin_unlock+0xa7/0x2f0 [ 67.961479] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 67.966052] ? do_raw_spin_lock+0x200/0x200 [ 67.970357] ? oom_kill_process+0x258/0x290 [ 67.974664] ? lock_downgrade+0x8f0/0x8f0 [ 67.978801] ? trace_hardirqs_on+0xd/0x10 [ 67.982954] ? ___ratelimit+0xaa/0x655 [ 67.986838] ? idr_get_free+0x10d0/0x10d0 [ 67.990978] ? kasan_check_write+0x14/0x20 [ 67.995211] ? do_raw_spin_lock+0xc1/0x200 [ 67.999435] oom_kill_process.cold.28+0x10/0x95a [ 68.004233] ? kasan_check_write+0x14/0x20 [ 68.008457] ? do_raw_spin_lock+0xc1/0x200 [ 68.012682] ? trace_hardirqs_on+0xd/0x10 [ 68.016833] ? oom_evaluate_task+0x540/0x540 [ 68.021232] ? cgroup_procs_next+0x70/0x70 [ 68.025460] ? trace_hardirqs_on+0xd/0x10 [ 68.029596] ? _raw_spin_unlock_irq+0x27/0x70 [ 68.034085] ? oom_badness+0xb00/0xb00 [ 68.037963] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 68.042712] ? mem_cgroup_iter_break+0x30/0x30 [ 68.047300] ? shrink_node+0x16a0/0x16a0 [ 68.051362] ? lock_acquire+0x1e4/0x540 [ 68.055333] ? cgroup_file_notify+0x226/0x2f0 [ 68.059831] out_of_memory+0xa8a/0x14d0 [ 68.063802] ? kasan_check_read+0x11/0x20 [ 68.067935] ? oom_killer_disable+0x3a0/0x3a0 [ 68.072419] ? kasan_check_write+0x14/0x20 [ 68.076644] ? do_raw_spin_lock+0xc1/0x200 [ 68.080879] mem_cgroup_out_of_memory+0x15e/0x210 [ 68.085707] ? memcg_memory_event+0x40/0x40 [ 68.090017] ? page_counter_try_charge+0x1c7/0x220 [ 68.094935] try_charge+0x720/0x1680 [ 68.098642] ? lock_acquire+0x1e4/0x540 [ 68.102604] ? fs_reclaim_acquire+0x20/0x20 [ 68.106918] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 68.113678] ? rcu_note_context_switch+0x730/0x730 [ 68.118604] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 68.123441] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 68.128456] memcg_kmem_charge_memcg+0x7c/0x120 [ 68.133115] ? memcg_kmem_put_cache+0xb0/0xb0 [ 68.137601] ? __free_pages+0x10a/0x190 [ 68.141565] cache_grow_begin+0x207/0x710 [ 68.145701] ? do_raw_spin_unlock+0xa7/0x2f0 [ 68.150098] fallback_alloc+0x203/0x2c0 [ 68.154061] ____cache_alloc_node+0x1c7/0x1e0 [ 68.158546] kmem_cache_alloc+0x1e5/0x760 [ 68.162694] ? lock_downgrade+0x8f0/0x8f0 [ 68.166830] ? shmem_destroy_callback+0xc0/0xc0 [ 68.171488] shmem_alloc_inode+0x1b/0x40 [ 68.175552] alloc_inode+0x63/0x190 [ 68.179200] new_inode_pseudo+0x71/0x1a0 [ 68.183250] ? prune_icache_sb+0x1c0/0x1c0 [ 68.187476] ? _raw_spin_unlock+0x22/0x30 [ 68.191617] new_inode+0x1c/0x40 [ 68.195064] shmem_get_inode+0xf1/0x910 [ 68.199035] ? shmem_encode_fh+0x340/0x340 [ 68.203261] ? lock_downgrade+0x8f0/0x8f0 [ 68.207661] ? lock_release+0xa30/0xa30 [ 68.211623] ? check_same_owner+0x340/0x340 [ 68.215941] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 68.220951] ? __check_object_size+0xa3/0x5d7 [ 68.225441] __shmem_file_setup.part.48+0x83/0x2a0 [ 68.230359] shmem_file_setup+0x65/0x90 [ 68.234334] __x64_sys_memfd_create+0x2af/0x4f0 [ 68.238992] ? memfd_fcntl+0x1e80/0x1e80 [ 68.243058] do_syscall_64+0x1b9/0x820 [ 68.246932] ? finish_task_switch+0x1d3/0x870 [ 68.251413] ? syscall_return_slowpath+0x5e0/0x5e0 [ 68.256326] ? syscall_return_slowpath+0x31d/0x5e0 [ 68.261251] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 68.266261] ? __switch_to_asm+0x34/0x70 [ 68.270316] ? __switch_to_asm+0x34/0x70 [ 68.274365] ? __switch_to_asm+0x40/0x70 [ 68.278413] ? __switch_to_asm+0x34/0x70 [ 68.282467] ? __switch_to_asm+0x40/0x70 [ 68.286530] ? __switch_to_asm+0x34/0x70 [ 68.290582] ? __switch_to_asm+0x40/0x70 [ 68.294642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.299480] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.304655] RIP: 0033:0x456b29 [ 68.307841] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.327701] RSP: 002b:00007f25486a3a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 68.335401] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 68.342664] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 68.349929] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 68.357188] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 68.364453] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 68.371762] Task in /ile0 killed as a result of limit of /ile0 [ 68.377775] memory: usage 144kB, limit 0kB, failcnt 2676 [ 68.383240] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 68.390012] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 68.396188] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 68.415654] Tasks state (memory values in pages): [ 68.420548] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 68.429466] [ 6659] 0 6659 9426 534 65536 0 0 syz-executor7 [ 68.438498] [ 6674] 0 6674 9426 535 65536 0 0 syz-executor5 [ 68.447537] [ 6676] 0 6676 9426 535 61440 0 0 syz-executor0 [ 68.456591] [ 6683] 0 6683 9426 535 65536 0 0 syz-executor6 [ 68.465633] [ 6690] 0 6690 9426 536 61440 0 0 syz-executor2 [ 68.474705] [ 6691] 0 6691 9426 535 65536 0 0 syz-executor3 [ 68.483750] Memory cgroup out of memory: Kill process 6674 (syz-executor5) score 551000 or sacrifice child [ 68.493581] Killed process 6674 (syz-executor5) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 68.505420] oom_reaper: reaped process 6659 (syz-executor7), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 68.535993] oom_reaper: reaped process 6679 (syz-executor5), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 68.547828] syz-executor3 invoked oom-killer: gfp_mask=0x6040d0(GFP_KERNEL|__GFP_COMP|__GFP_RECLAIMABLE), nodemask=(null), order=0, oom_score_adj=0 [ 68.561332] syz-executor3 cpuset=/ mems_allowed=0 [ 68.566294] CPU: 0 PID: 6692 Comm: syz-executor3 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 68.575231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.585253] Call Trace: [ 68.587854] dump_stack+0x1c9/0x2b4 [ 68.591474] ? dump_stack_print_info.cold.2+0x52/0x52 [ 68.596664] dump_header+0x27b/0xf70 [ 68.600392] ? finish_task_switch+0x1d3/0x870 [ 68.604885] ? trace_hardirqs_on+0x10/0x10 [ 68.609111] ? pagefault_out_of_memory+0x197/0x197 [ 68.614027] ? do_raw_spin_unlock+0xa7/0x2f0 [ 68.618422] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 68.623005] ? compat_start_thread+0x80/0x80 [ 68.627398] ? trace_hardirqs_on+0x10/0x10 [ 68.631618] ? trace_hardirqs_on+0xd/0x10 [ 68.635753] ? _raw_spin_unlock_irq+0x27/0x70 [ 68.640252] ? trace_hardirqs_on+0x10/0x10 [ 68.644479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.650023] ? css_next_child+0x1c3/0x620 [ 68.654172] ? find_lock_task_mm+0x230/0x4d0 [ 68.658591] ? cgroup_get_tree+0xb20/0xb20 [ 68.662829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.668365] ? task_will_free_mem+0x239/0xb70 [ 68.672855] ? lock_downgrade+0x8f0/0x8f0 [ 68.677011] ? ___ratelimit+0x36f/0x655 [ 68.680981] ? lock_downgrade+0x8f0/0x8f0 [ 68.685126] ? kasan_check_read+0x11/0x20 [ 68.689268] ? do_raw_spin_unlock+0xa7/0x2f0 [ 68.693676] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 68.698243] ? do_raw_spin_lock+0x200/0x200 [ 68.702561] ? oom_kill_process+0x258/0x290 [ 68.706867] ? lock_downgrade+0x8f0/0x8f0 [ 68.711007] ? trace_hardirqs_on+0xd/0x10 [ 68.715170] ? ___ratelimit+0xaa/0x655 [ 68.719059] ? idr_get_free+0x10d0/0x10d0 [ 68.723199] ? kasan_check_write+0x14/0x20 [ 68.727421] ? do_raw_spin_lock+0xc1/0x200 [ 68.731646] oom_kill_process.cold.28+0x10/0x95a [ 68.736393] ? kasan_check_write+0x14/0x20 [ 68.740614] ? do_raw_spin_lock+0xc1/0x200 [ 68.744837] ? trace_hardirqs_on+0xd/0x10 [ 68.748980] ? oom_evaluate_task+0x540/0x540 [ 68.753373] ? cgroup_procs_next+0x70/0x70 [ 68.757599] ? trace_hardirqs_on+0xd/0x10 [ 68.761737] ? _raw_spin_unlock_irq+0x27/0x70 [ 68.766218] ? oom_badness+0xb00/0xb00 [ 68.770098] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 68.774848] ? mem_cgroup_iter_break+0x30/0x30 [ 68.779427] ? shrink_node+0x16a0/0x16a0 [ 68.783478] ? lock_acquire+0x1e4/0x540 [ 68.787440] ? cgroup_file_notify+0x226/0x2f0 [ 68.791934] out_of_memory+0xa8a/0x14d0 [ 68.795903] ? kasan_check_read+0x11/0x20 [ 68.800052] ? oom_killer_disable+0x3a0/0x3a0 [ 68.804535] ? kasan_check_write+0x14/0x20 [ 68.808774] ? do_raw_spin_lock+0xc1/0x200 [ 68.812996] ? trace_hardirqs_on+0xd/0x10 [ 68.817131] mem_cgroup_out_of_memory+0x15e/0x210 [ 68.821978] ? memcg_memory_event+0x40/0x40 [ 68.826286] ? page_counter_try_charge+0x1c7/0x220 [ 68.831204] try_charge+0x720/0x1680 [ 68.834911] ? lock_acquire+0x1e4/0x540 [ 68.838874] ? fs_reclaim_acquire+0x20/0x20 [ 68.843184] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 68.849931] ? rcu_note_context_switch+0x730/0x730 [ 68.855209] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 68.860052] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 68.865069] memcg_kmem_charge_memcg+0x7c/0x120 [ 68.869725] ? memcg_kmem_put_cache+0xb0/0xb0 [ 68.874211] ? __free_pages+0x10a/0x190 [ 68.878181] cache_grow_begin+0x207/0x710 [ 68.882317] ? do_raw_spin_unlock+0xa7/0x2f0 [ 68.886720] fallback_alloc+0x203/0x2c0 [ 68.890685] ____cache_alloc_node+0x1c7/0x1e0 [ 68.895173] kmem_cache_alloc+0x1e5/0x760 [ 68.899323] __d_alloc+0xc8/0xd50 [ 68.902784] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 68.907811] ? ktime_get_coarse_real_ts64+0x243/0x3a0 [ 68.913080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.918624] ? timespec64_trunc+0xea/0x180 [ 68.922848] ? inode_init_owner+0x340/0x340 [ 68.927161] ? _raw_spin_unlock+0x22/0x30 [ 68.931291] ? current_time+0x10b/0x1b0 [ 68.935252] ? __lockdep_init_map+0x105/0x590 [ 68.939737] d_alloc_pseudo+0x1d/0x30 [ 68.943788] alloc_file_pseudo+0x158/0x3f0 [ 68.948009] ? alloc_file+0x430/0x430 [ 68.951800] ? check_same_owner+0x340/0x340 [ 68.956109] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 68.961114] ? __check_object_size+0xa3/0x5d7 [ 68.965610] ? kasan_check_write+0x14/0x20 [ 68.969840] __shmem_file_setup.part.48+0x110/0x2a0 [ 68.974854] shmem_file_setup+0x65/0x90 [ 68.978835] __x64_sys_memfd_create+0x2af/0x4f0 [ 68.983491] ? memfd_fcntl+0x1e80/0x1e80 [ 68.987637] do_syscall_64+0x1b9/0x820 [ 68.991526] ? finish_task_switch+0x1d3/0x870 [ 68.996051] ? syscall_return_slowpath+0x5e0/0x5e0 [ 69.000989] ? syscall_return_slowpath+0x31d/0x5e0 [ 69.005908] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 69.010914] ? __switch_to_asm+0x34/0x70 [ 69.014962] ? __switch_to_asm+0x34/0x70 [ 69.019015] ? __switch_to_asm+0x40/0x70 [ 69.023071] ? __switch_to_asm+0x34/0x70 [ 69.027119] ? __switch_to_asm+0x40/0x70 [ 69.031178] ? __switch_to_asm+0x34/0x70 [ 69.035229] ? __switch_to_asm+0x40/0x70 [ 69.039299] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 69.044171] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.049361] RIP: 0033:0x456b29 [ 69.052545] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.071437] RSP: 002b:00007f03fc123a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 69.079141] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 69.086399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 69.093675] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 69.100942] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 69.108203] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 69.115904] Task in /ile0 killed as a result of limit of /ile0 [ 69.121994] memory: usage 152kB, limit 0kB, failcnt 3158 [ 69.127816] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 69.134651] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 69.140808] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 69.160237] Tasks state (memory values in pages): [ 69.165116] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 69.174053] [ 6676] 0 6676 9426 535 61440 0 0 syz-executor0 [ 69.183112] [ 6683] 0 6683 9426 535 65536 0 0 syz-executor6 [ 69.192173] [ 6690] 0 6690 9426 536 61440 0 0 syz-executor2 [ 69.201225] [ 6691] 0 6691 9426 535 65536 0 0 syz-executor3 [ 69.210304] [ 6695] 0 6695 9426 536 61440 0 0 syz-executor4 [ 69.219396] [ 6699] 0 6699 9426 534 65536 0 0 syz-executor7 [ 69.228436] [ 6700] 0 6700 9426 535 65536 0 0 syz-executor1 [ 69.237479] Memory cgroup out of memory: Kill process 6683 (syz-executor6) score 551000 or sacrifice child [ 69.247381] Killed process 6683 (syz-executor6) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 69.258653] oom_reaper: reaped process 6683 (syz-executor6), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 69.288828] oom_reaper: reaped process 6680 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 69.320048] syz-executor5 invoked oom-killer: gfp_mask=0x6040d0(GFP_KERNEL|__GFP_COMP|__GFP_RECLAIMABLE), nodemask=(null), order=0, oom_score_adj=0 [ 69.333504] syz-executor5 cpuset=/ mems_allowed=0 [ 69.338399] CPU: 0 PID: 6705 Comm: syz-executor5 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 69.346715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.356062] Call Trace: [ 69.358665] dump_stack+0x1c9/0x2b4 [ 69.362294] ? dump_stack_print_info.cold.2+0x52/0x52 [ 69.367564] dump_header+0x27b/0xf70 [ 69.371283] ? finish_task_switch+0x1d3/0x870 [ 69.375771] ? trace_hardirqs_on+0x10/0x10 [ 69.379996] ? pagefault_out_of_memory+0x197/0x197 [ 69.385020] ? do_raw_spin_unlock+0xa7/0x2f0 [ 69.389478] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 69.394052] ? compat_start_thread+0x80/0x80 [ 69.398455] ? trace_hardirqs_on+0x10/0x10 [ 69.402687] ? kasan_check_write+0x14/0x20 [ 69.406925] ? trace_hardirqs_on+0x10/0x10 [ 69.411152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.416682] ? css_next_child+0x1c3/0x620 [ 69.420827] ? find_lock_task_mm+0x230/0x4d0 [ 69.425233] ? cgroup_get_tree+0xb20/0xb20 [ 69.429457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.434984] ? task_will_free_mem+0x239/0xb70 [ 69.439473] ? lock_downgrade+0x8f0/0x8f0 [ 69.443610] ? ___ratelimit+0x36f/0x655 [ 69.447576] ? lock_downgrade+0x8f0/0x8f0 [ 69.451715] ? kasan_check_read+0x11/0x20 [ 69.455852] ? do_raw_spin_unlock+0xa7/0x2f0 [ 69.460267] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 69.464853] ? do_raw_spin_lock+0x200/0x200 [ 69.469204] ? oom_kill_process+0x258/0x290 [ 69.473524] ? lock_downgrade+0x8f0/0x8f0 [ 69.477667] ? trace_hardirqs_on+0xd/0x10 [ 69.481812] ? ___ratelimit+0xaa/0x655 [ 69.485708] ? idr_get_free+0x10d0/0x10d0 [ 69.489850] ? kasan_check_write+0x14/0x20 [ 69.494078] ? do_raw_spin_lock+0xc1/0x200 [ 69.498310] oom_kill_process.cold.28+0x10/0x95a [ 69.503069] ? kasan_check_write+0x14/0x20 [ 69.507292] ? do_raw_spin_lock+0xc1/0x200 [ 69.511528] ? trace_hardirqs_on+0xd/0x10 [ 69.515678] ? oom_evaluate_task+0x540/0x540 [ 69.520081] ? cgroup_procs_next+0x70/0x70 [ 69.524313] ? trace_hardirqs_on+0xd/0x10 [ 69.528460] ? _raw_spin_unlock_irq+0x27/0x70 [ 69.532963] ? oom_badness+0xb00/0xb00 [ 69.536855] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 69.541605] ? mem_cgroup_iter_break+0x30/0x30 [ 69.546196] ? shrink_node+0x16a0/0x16a0 [ 69.550265] ? lock_acquire+0x1e4/0x540 [ 69.554237] ? cgroup_file_notify+0x226/0x2f0 [ 69.558720] out_of_memory+0xa8a/0x14d0 [ 69.562700] ? kasan_check_read+0x11/0x20 [ 69.566838] ? oom_killer_disable+0x3a0/0x3a0 [ 69.571320] ? kasan_check_write+0x14/0x20 [ 69.575561] ? do_raw_spin_lock+0xc1/0x200 [ 69.579801] ? trace_hardirqs_on+0xd/0x10 [ 69.583940] mem_cgroup_out_of_memory+0x15e/0x210 [ 69.588805] ? memcg_memory_event+0x40/0x40 [ 69.593129] ? page_counter_try_charge+0x1c7/0x220 [ 69.598064] try_charge+0x720/0x1680 [ 69.601770] ? lock_acquire+0x1e4/0x540 [ 69.605734] ? fs_reclaim_acquire+0x20/0x20 [ 69.610052] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 69.616811] ? rcu_note_context_switch+0x730/0x730 [ 69.621748] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 69.626583] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 69.631613] memcg_kmem_charge_memcg+0x7c/0x120 [ 69.636275] ? memcg_kmem_put_cache+0xb0/0xb0 [ 69.640761] ? __free_pages+0x10a/0x190 [ 69.644728] cache_grow_begin+0x207/0x710 [ 69.648869] ? do_raw_spin_unlock+0xa7/0x2f0 [ 69.653270] fallback_alloc+0x203/0x2c0 [ 69.657247] ____cache_alloc_node+0x1c7/0x1e0 [ 69.661734] kmem_cache_alloc+0x1e5/0x760 [ 69.665879] __d_alloc+0xc8/0xd50 [ 69.669339] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 69.674352] ? ktime_get_coarse_real_ts64+0x243/0x3a0 [ 69.679536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.685070] ? timespec64_trunc+0xea/0x180 [ 69.689297] ? inode_init_owner+0x340/0x340 [ 69.693608] ? _raw_spin_unlock+0x22/0x30 [ 69.697756] ? current_time+0x10b/0x1b0 [ 69.701735] ? __lockdep_init_map+0x105/0x590 [ 69.706223] d_alloc_pseudo+0x1d/0x30 [ 69.710025] alloc_file_pseudo+0x158/0x3f0 [ 69.714260] ? alloc_file+0x430/0x430 [ 69.718072] ? check_same_owner+0x340/0x340 [ 69.722393] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 69.727406] ? __check_object_size+0xa3/0x5d7 [ 69.731911] ? kasan_check_write+0x14/0x20 [ 69.736140] __shmem_file_setup.part.48+0x110/0x2a0 [ 69.741163] shmem_file_setup+0x65/0x90 [ 69.745133] __x64_sys_memfd_create+0x2af/0x4f0 [ 69.749789] ? memfd_fcntl+0x1e80/0x1e80 [ 69.753848] do_syscall_64+0x1b9/0x820 [ 69.757726] ? syscall_return_slowpath+0x5e0/0x5e0 [ 69.762644] ? syscall_return_slowpath+0x31d/0x5e0 [ 69.767564] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 69.772570] ? __switch_to_asm+0x34/0x70 [ 69.776624] ? __switch_to_asm+0x34/0x70 [ 69.780676] ? __switch_to_asm+0x40/0x70 [ 69.784749] ? __switch_to_asm+0x34/0x70 [ 69.788818] ? __switch_to_asm+0x34/0x70 [ 69.792877] ? __switch_to_asm+0x40/0x70 [ 69.796936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 69.801779] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.806968] RIP: 0033:0x456b29 [ 69.810158] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.829069] RSP: 002b:00007efd08ff9a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 69.836794] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 69.844060] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 69.851324] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 69.858590] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 69.865869] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 69.874219] Task in /ile0 killed as a result of limit of /ile0 [ 69.880285] memory: usage 160kB, limit 0kB, failcnt 4776 [ 69.885767] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 69.892557] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 69.898717] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 69.918171] Tasks state (memory values in pages): [ 69.923046] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 69.931965] [ 6676] 0 6676 9426 0 57344 0 0 syz-executor0 [ 69.941016] [ 6684] 0 6683 9426 1 61440 0 0 syz-executor6 [ 69.950068] [ 6690] 0 6690 9426 536 61440 0 0 syz-executor2 [ 69.959147] [ 6691] 0 6691 9426 535 65536 0 0 syz-executor3 [ 69.968199] [ 6695] 0 6695 9426 536 61440 0 0 syz-executor4 [ 69.977264] [ 6699] 0 6699 9426 534 65536 0 0 syz-executor7 [ 69.986329] [ 6700] 0 6700 9426 535 65536 0 0 syz-executor1 [ 69.995409] [ 6704] 0 6704 9393 535 65536 0 0 syz-executor5 [ 70.004453] Memory cgroup out of memory: Kill process 6690 (syz-executor2) score 551000 or sacrifice child [ 70.014295] Killed process 6690 (syz-executor2) total-vm:37704kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 70.025595] oom_reaper: reaped process 6690 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 70.039819] syz-executor4 invoked oom-killer: gfp_mask=0x6040d0(GFP_KERNEL|__GFP_COMP|__GFP_RECLAIMABLE), nodemask=(null), order=0, oom_score_adj=0 [ 70.053274] syz-executor4 cpuset=/ mems_allowed=0 [ 70.058200] CPU: 0 PID: 6696 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 70.066530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.075901] Call Trace: [ 70.078488] dump_stack+0x1c9/0x2b4 [ 70.082128] ? dump_stack_print_info.cold.2+0x52/0x52 [ 70.087329] dump_header+0x27b/0xf70 [ 70.091053] ? finish_task_switch+0x1d3/0x870 [ 70.095544] ? trace_hardirqs_on+0x10/0x10 [ 70.099773] ? pagefault_out_of_memory+0x197/0x197 [ 70.104695] ? do_raw_spin_unlock+0xa7/0x2f0 [ 70.109094] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 70.113683] ? compat_start_thread+0x80/0x80 [ 70.118083] ? trace_hardirqs_on+0x10/0x10 [ 70.122327] ? kasan_check_write+0x14/0x20 [ 70.126552] ? trace_hardirqs_on+0x10/0x10 [ 70.130791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.136320] ? css_next_child+0x1c3/0x620 [ 70.140459] ? find_lock_task_mm+0x230/0x4d0 [ 70.144861] ? cgroup_get_tree+0xb20/0xb20 [ 70.149107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.154632] ? task_will_free_mem+0x239/0xb70 [ 70.159150] ? lock_downgrade+0x8f0/0x8f0 [ 70.163293] ? ___ratelimit+0x36f/0x655 [ 70.167276] ? lock_downgrade+0x8f0/0x8f0 [ 70.171419] ? kasan_check_read+0x11/0x20 [ 70.175559] ? do_raw_spin_unlock+0xa7/0x2f0 [ 70.179962] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 70.184546] ? do_raw_spin_lock+0x200/0x200 [ 70.188867] ? oom_kill_process+0x258/0x290 [ 70.193189] ? lock_downgrade+0x8f0/0x8f0 [ 70.197351] ? trace_hardirqs_on+0xd/0x10 [ 70.201511] ? ___ratelimit+0xaa/0x655 [ 70.205571] ? idr_get_free+0x10d0/0x10d0 [ 70.209737] ? kasan_check_write+0x14/0x20 [ 70.213967] ? do_raw_spin_lock+0xc1/0x200 [ 70.218201] oom_kill_process.cold.28+0x10/0x95a [ 70.222972] ? kasan_check_write+0x14/0x20 [ 70.227201] ? do_raw_spin_lock+0xc1/0x200 [ 70.231434] ? trace_hardirqs_on+0xd/0x10 [ 70.235582] ? oom_evaluate_task+0x540/0x540 [ 70.239990] ? cgroup_procs_next+0x70/0x70 [ 70.244220] ? trace_hardirqs_on+0xd/0x10 [ 70.248364] ? _raw_spin_unlock_irq+0x27/0x70 [ 70.252848] ? oom_badness+0xb00/0xb00 [ 70.256726] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 70.261476] ? mem_cgroup_iter_break+0x30/0x30 [ 70.266046] ? shrink_node+0x16a0/0x16a0 [ 70.270129] ? lock_acquire+0x1e4/0x540 [ 70.274102] ? cgroup_file_notify+0x226/0x2f0 [ 70.278607] out_of_memory+0xa8a/0x14d0 [ 70.282584] ? kasan_check_read+0x11/0x20 [ 70.286725] ? oom_killer_disable+0x3a0/0x3a0 [ 70.291215] ? kasan_check_write+0x14/0x20 [ 70.295445] ? do_raw_spin_lock+0xc1/0x200 [ 70.299672] ? trace_hardirqs_on+0xd/0x10 [ 70.303830] mem_cgroup_out_of_memory+0x15e/0x210 [ 70.308679] ? memcg_memory_event+0x40/0x40 [ 70.312992] ? page_counter_try_charge+0x1c7/0x220 [ 70.317926] try_charge+0x720/0x1680 [ 70.321638] ? lock_acquire+0x1e4/0x540 [ 70.325603] ? fs_reclaim_acquire+0x20/0x20 [ 70.329924] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 70.336676] ? rcu_note_context_switch+0x730/0x730 [ 70.341604] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 70.346448] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 70.351472] memcg_kmem_charge_memcg+0x7c/0x120 [ 70.356148] ? memcg_kmem_put_cache+0xb0/0xb0 [ 70.360655] ? __free_pages+0x10a/0x190 [ 70.364629] cache_grow_begin+0x207/0x710 [ 70.368771] ? do_raw_spin_unlock+0xa7/0x2f0 [ 70.373171] fallback_alloc+0x203/0x2c0 [ 70.377149] ____cache_alloc_node+0x1c7/0x1e0 [ 70.381652] kmem_cache_alloc+0x1e5/0x760 [ 70.385799] __d_alloc+0xc8/0xd50 [ 70.389247] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 70.394255] ? ktime_get_coarse_real_ts64+0x243/0x3a0 [ 70.399440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.404970] ? timespec64_trunc+0xea/0x180 [ 70.409196] ? inode_init_owner+0x340/0x340 [ 70.413513] ? _raw_spin_unlock+0x22/0x30 [ 70.417664] ? current_time+0x10b/0x1b0 [ 70.421635] ? __lockdep_init_map+0x105/0x590 [ 70.426137] d_alloc_pseudo+0x1d/0x30 [ 70.429939] alloc_file_pseudo+0x158/0x3f0 [ 70.434169] ? alloc_file+0x430/0x430 [ 70.437963] ? check_same_owner+0x340/0x340 [ 70.442280] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 70.447290] ? __check_object_size+0xa3/0x5d7 [ 70.451779] ? kasan_check_write+0x14/0x20 [ 70.456009] __shmem_file_setup.part.48+0x110/0x2a0 [ 70.461030] shmem_file_setup+0x65/0x90 [ 70.464995] __x64_sys_memfd_create+0x2af/0x4f0 [ 70.469670] ? memfd_fcntl+0x1e80/0x1e80 [ 70.473733] do_syscall_64+0x1b9/0x820 [ 70.477624] ? finish_task_switch+0x1d3/0x870 [ 70.482119] ? syscall_return_slowpath+0x5e0/0x5e0 [ 70.487056] ? syscall_return_slowpath+0x31d/0x5e0 [ 70.491996] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 70.497007] ? __switch_to_asm+0x34/0x70 [ 70.501058] ? __switch_to_asm+0x34/0x70 [ 70.505113] ? __switch_to_asm+0x40/0x70 [ 70.509168] ? __switch_to_asm+0x34/0x70 [ 70.513219] ? __switch_to_asm+0x40/0x70 [ 70.517271] ? __switch_to_asm+0x34/0x70 [ 70.521325] ? __switch_to_asm+0x40/0x70 [ 70.525383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.530214] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.535392] RIP: 0033:0x456b29 [ 70.538576] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.557469] RSP: 002b:00007f834cd28a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 70.565169] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 70.572446] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 70.579717] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 70.587775] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 70.595035] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 70.603259] Task in /ile0 killed as a result of limit of /ile0 [ 70.609349] memory: usage 168kB, limit 0kB, failcnt 4934 [ 70.614842] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 70.621623] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 70.627783] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 70.647208] Tasks state (memory values in pages): [ 70.652062] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 70.660983] [ 6691] 0 6691 9426 535 65536 0 0 syz-executor3 [ 70.670026] [ 6695] 0 6695 9426 536 61440 0 0 syz-executor4 [ 70.679093] [ 6699] 0 6699 9426 534 65536 0 0 syz-executor7 [ 70.688145] [ 6700] 0 6700 9426 535 65536 0 0 syz-executor1 [ 70.697203] [ 6704] 0 6704 9426 535 65536 0 0 syz-executor5 [ 70.706260] Memory cgroup out of memory: Kill process 6691 (syz-executor3) score 551000 or sacrifice child [ 70.716104] Killed process 6691 (syz-executor3) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 70.728449] oom_reaper: reaped process 6692 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 70.778870] oom_reaper: reaped process 6711 (syz-executor0), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 70.781526] syz-executor4 invoked oom-killer: gfp_mask=0x6040d0(GFP_KERNEL|__GFP_COMP|__GFP_RECLAIMABLE), nodemask=(null), order=0, oom_score_adj=0 [ 70.802178] syz-executor4 cpuset=/ mems_allowed=0 [ 70.807111] CPU: 0 PID: 6696 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 70.815455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.824806] Call Trace: [ 70.827393] dump_stack+0x1c9/0x2b4 [ 70.831006] ? dump_stack_print_info.cold.2+0x52/0x52 [ 70.836182] dump_header+0x27b/0xf70 [ 70.839893] ? finish_task_switch+0x1d3/0x870 [ 70.844382] ? trace_hardirqs_on+0x10/0x10 [ 70.848605] ? pagefault_out_of_memory+0x197/0x197 [ 70.853532] ? do_raw_spin_unlock+0xa7/0x2f0 [ 70.857958] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 70.862535] ? compat_start_thread+0x80/0x80 [ 70.866932] ? trace_hardirqs_on+0x10/0x10 [ 70.871152] ? kasan_check_write+0x14/0x20 [ 70.875383] ? trace_hardirqs_on+0x10/0x10 [ 70.879614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.885139] ? css_next_child+0x1c3/0x620 [ 70.889272] ? find_lock_task_mm+0x230/0x4d0 [ 70.893669] ? cgroup_get_tree+0xb20/0xb20 [ 70.897888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.903422] ? task_will_free_mem+0x239/0xb70 [ 70.907906] ? lock_downgrade+0x8f0/0x8f0 [ 70.912043] ? ___ratelimit+0x36f/0x655 [ 70.916018] ? lock_downgrade+0x8f0/0x8f0 [ 70.920159] ? kasan_check_read+0x11/0x20 [ 70.924293] ? do_raw_spin_unlock+0xa7/0x2f0 [ 70.928690] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 70.933258] ? do_raw_spin_lock+0x200/0x200 [ 70.937565] ? oom_kill_process+0x258/0x290 [ 70.941874] ? lock_downgrade+0x8f0/0x8f0 [ 70.946008] ? oom_unkillable_task+0x424/0x590 [ 70.950590] ? trace_hardirqs_on+0xd/0x10 [ 70.954727] ? ___ratelimit+0xaa/0x655 [ 70.958619] ? idr_get_free+0x10d0/0x10d0 [ 70.962770] ? kasan_check_write+0x14/0x20 [ 70.967000] ? do_raw_spin_lock+0xc1/0x200 [ 70.971223] oom_kill_process.cold.28+0x10/0x95a [ 70.975964] ? kasan_check_write+0x14/0x20 [ 70.980192] ? do_raw_spin_lock+0xc1/0x200 [ 70.984414] ? trace_hardirqs_on+0xd/0x10 [ 70.988571] ? oom_evaluate_task+0x540/0x540 [ 70.992966] ? cgroup_procs_next+0x70/0x70 [ 70.997191] ? trace_hardirqs_on+0xd/0x10 [ 71.001328] ? _raw_spin_unlock_irq+0x27/0x70 [ 71.005819] ? oom_badness+0xb00/0xb00 [ 71.009703] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 71.014457] ? mem_cgroup_iter_break+0x30/0x30 [ 71.019025] ? shrink_node+0x16a0/0x16a0 [ 71.023101] ? lock_acquire+0x1e4/0x540 [ 71.027068] ? cgroup_file_notify+0x226/0x2f0 [ 71.031552] out_of_memory+0xa8a/0x14d0 [ 71.035540] ? kasan_check_read+0x11/0x20 [ 71.039698] ? oom_killer_disable+0x3a0/0x3a0 [ 71.044184] ? kasan_check_write+0x14/0x20 [ 71.048409] ? do_raw_spin_lock+0xc1/0x200 [ 71.052635] ? trace_hardirqs_on+0xd/0x10 [ 71.056776] mem_cgroup_out_of_memory+0x15e/0x210 [ 71.061609] ? memcg_memory_event+0x40/0x40 [ 71.065922] ? page_counter_try_charge+0x1c7/0x220 [ 71.071199] try_charge+0x720/0x1680 [ 71.074913] ? lock_acquire+0x1e4/0x540 [ 71.078882] ? fs_reclaim_acquire+0x20/0x20 [ 71.083195] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 71.089946] ? rcu_note_context_switch+0x730/0x730 [ 71.094869] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 71.099714] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 71.104726] memcg_kmem_charge_memcg+0x7c/0x120 [ 71.109389] ? memcg_kmem_put_cache+0xb0/0xb0 [ 71.113872] ? __free_pages+0x10a/0x190 [ 71.117953] cache_grow_begin+0x207/0x710 [ 71.122097] ? do_raw_spin_unlock+0xa7/0x2f0 [ 71.126498] fallback_alloc+0x203/0x2c0 [ 71.130471] ____cache_alloc_node+0x1c7/0x1e0 [ 71.134967] kmem_cache_alloc+0x1e5/0x760 [ 71.139120] __d_alloc+0xc8/0xd50 [ 71.142569] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 71.147587] ? ktime_get_coarse_real_ts64+0x243/0x3a0 [ 71.152774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.158329] ? timespec64_trunc+0xea/0x180 [ 71.162570] ? inode_init_owner+0x340/0x340 [ 71.166879] ? _raw_spin_unlock+0x22/0x30 [ 71.171030] ? current_time+0x10b/0x1b0 [ 71.175006] ? __lockdep_init_map+0x105/0x590 [ 71.179496] d_alloc_pseudo+0x1d/0x30 [ 71.183286] alloc_file_pseudo+0x158/0x3f0 [ 71.187519] ? alloc_file+0x430/0x430 [ 71.191307] ? check_same_owner+0x340/0x340 [ 71.195616] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 71.200641] ? __check_object_size+0xa3/0x5d7 [ 71.205134] ? kasan_check_write+0x14/0x20 [ 71.209370] __shmem_file_setup.part.48+0x110/0x2a0 [ 71.214395] shmem_file_setup+0x65/0x90 [ 71.218466] __x64_sys_memfd_create+0x2af/0x4f0 [ 71.223125] ? memfd_fcntl+0x1e80/0x1e80 [ 71.227189] do_syscall_64+0x1b9/0x820 [ 71.231157] ? finish_task_switch+0x1d3/0x870 [ 71.235653] ? syscall_return_slowpath+0x5e0/0x5e0 [ 71.240570] ? syscall_return_slowpath+0x31d/0x5e0 [ 71.245485] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 71.250487] ? __switch_to_asm+0x34/0x70 [ 71.254546] ? __switch_to_asm+0x34/0x70 [ 71.258595] ? __switch_to_asm+0x40/0x70 [ 71.262647] ? __switch_to_asm+0x34/0x70 [ 71.266693] ? __switch_to_asm+0x40/0x70 [ 71.270735] ? __switch_to_asm+0x34/0x70 [ 71.274782] ? __switch_to_asm+0x40/0x70 [ 71.278837] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.283672] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.288993] RIP: 0033:0x456b29 [ 71.292208] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.311118] RSP: 002b:00007f834cd28a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 71.318818] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 71.326083] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 71.333346] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 71.340609] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 71.347869] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 71.357248] Task in /ile0 killed as a result of limit of /ile0 [ 71.363310] memory: usage 172kB, limit 0kB, failcnt 5920 [ 71.368790] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 71.375563] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 71.381729] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 71.401196] Tasks state (memory values in pages): [ 71.406096] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 71.414997] [ 6695] 0 6695 9426 536 61440 0 0 syz-executor4 [ 71.424081] [ 6699] 0 6699 9426 534 65536 0 0 syz-executor7 [ 71.433226] [ 6700] 0 6700 9426 535 65536 0 0 syz-executor1 [ 71.442288] [ 6704] 0 6704 9426 535 65536 0 0 syz-executor5 [ 71.451345] [ 6710] 0 6710 9426 536 61440 0 0 syz-executor2 [ 71.460408] [ 6713] 0 6713 9426 535 65536 0 0 syz-executor6 [ 71.469467] Memory cgroup out of memory: Kill process 6695 (syz-executor4) score 551000 or sacrifice child [ 71.479320] Killed process 6695 (syz-executor4) total-vm:37704kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 71.496548] syz-executor1 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 71.508415] syz-executor1 cpuset=/ mems_allowed=0 [ 71.513311] CPU: 0 PID: 6701 Comm: syz-executor1 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 71.521642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.531171] Call Trace: [ 71.533766] dump_stack+0x1c9/0x2b4 [ 71.537385] ? dump_stack_print_info.cold.2+0x52/0x52 [ 71.542588] dump_header+0x27b/0xf70 [ 71.546292] ? finish_task_switch+0x1d3/0x870 [ 71.552009] ? trace_hardirqs_on+0x10/0x10 [ 71.556234] ? pagefault_out_of_memory+0x197/0x197 [ 71.561160] ? do_raw_spin_unlock+0xa7/0x2f0 [ 71.565568] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 71.570142] ? compat_start_thread+0x80/0x80 [ 71.574557] ? trace_hardirqs_on+0x10/0x10 [ 71.578784] ? trace_hardirqs_on+0xd/0x10 [ 71.582924] ? _raw_spin_unlock_irq+0x27/0x70 [ 71.587415] ? trace_hardirqs_on+0x10/0x10 [ 71.591661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.597191] ? css_next_child+0x1c3/0x620 [ 71.601344] ? find_lock_task_mm+0x230/0x4d0 [ 71.605753] ? cgroup_get_tree+0xb20/0xb20 [ 71.609977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.615505] ? task_will_free_mem+0x239/0xb70 [ 71.620009] ? lock_downgrade+0x8f0/0x8f0 [ 71.624151] ? ___ratelimit+0x36f/0x655 [ 71.628128] ? lock_downgrade+0x8f0/0x8f0 [ 71.632273] ? kasan_check_read+0x11/0x20 [ 71.636412] ? do_raw_spin_unlock+0xa7/0x2f0 [ 71.640808] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 71.645376] ? do_raw_spin_lock+0x200/0x200 [ 71.649688] ? oom_kill_process+0x258/0x290 [ 71.654002] ? lock_downgrade+0x8f0/0x8f0 [ 71.658146] ? trace_hardirqs_on+0xd/0x10 [ 71.662289] ? ___ratelimit+0xaa/0x655 [ 71.666179] ? idr_get_free+0x10d0/0x10d0 [ 71.670315] ? kasan_check_write+0x14/0x20 [ 71.674555] ? do_raw_spin_lock+0xc1/0x200 [ 71.678787] oom_kill_process.cold.28+0x10/0x95a [ 71.683531] ? kasan_check_write+0x14/0x20 [ 71.687751] ? do_raw_spin_lock+0xc1/0x200 [ 71.691971] ? trace_hardirqs_on+0xd/0x10 [ 71.696106] ? oom_evaluate_task+0x540/0x540 [ 71.700531] ? cgroup_procs_next+0x70/0x70 [ 71.704768] ? trace_hardirqs_on+0xd/0x10 [ 71.708906] ? _raw_spin_unlock_irq+0x27/0x70 [ 71.713396] ? oom_badness+0xb00/0xb00 [ 71.717273] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 71.722049] ? mem_cgroup_iter_break+0x30/0x30 [ 71.726621] ? shrink_node+0x16a0/0x16a0 [ 71.730676] ? lock_acquire+0x1e4/0x540 [ 71.734640] ? cgroup_file_notify+0x226/0x2f0 [ 71.739123] out_of_memory+0xa8a/0x14d0 [ 71.743107] ? kasan_check_read+0x11/0x20 [ 71.747243] ? oom_killer_disable+0x3a0/0x3a0 [ 71.751733] ? kasan_check_write+0x14/0x20 [ 71.755956] ? do_raw_spin_lock+0xc1/0x200 [ 71.760178] ? trace_hardirqs_on+0xd/0x10 [ 71.764325] mem_cgroup_out_of_memory+0x15e/0x210 [ 71.769166] ? memcg_memory_event+0x40/0x40 [ 71.773479] ? page_counter_try_charge+0x1c7/0x220 [ 71.778409] try_charge+0x720/0x1680 [ 71.782118] ? lock_acquire+0x1e4/0x540 [ 71.786082] ? fs_reclaim_acquire+0x20/0x20 [ 71.790399] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 71.797145] ? rcu_note_context_switch+0x730/0x730 [ 71.802074] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 71.806923] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 71.811946] memcg_kmem_charge_memcg+0x7c/0x120 [ 71.816623] ? memcg_kmem_put_cache+0xb0/0xb0 [ 71.821116] ? __free_pages+0x10a/0x190 [ 71.825087] cache_grow_begin+0x207/0x710 [ 71.829242] ? do_raw_spin_unlock+0xa7/0x2f0 [ 71.833645] fallback_alloc+0x203/0x2c0 [ 71.837631] ____cache_alloc_node+0x1c7/0x1e0 [ 71.842119] kmem_cache_alloc+0x1e5/0x760 [ 71.846265] ? kasan_check_write+0x14/0x20 [ 71.850494] __alloc_file+0xac/0x400 [ 71.854203] ? file_free_rcu+0x90/0x90 [ 71.858078] ? select_collect+0x610/0x610 [ 71.862212] ? d_instantiate+0x79/0xa0 [ 71.866086] ? lock_downgrade+0x8f0/0x8f0 [ 71.870228] ? kasan_check_read+0x11/0x20 [ 71.874366] ? do_raw_spin_unlock+0xa7/0x2f0 [ 71.878761] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 71.883340] alloc_empty_file+0x72/0x170 [ 71.887390] alloc_file+0x5c/0x430 [ 71.890923] alloc_file_pseudo+0x261/0x3f0 [ 71.895166] ? alloc_file+0x430/0x430 [ 71.898956] ? check_same_owner+0x340/0x340 [ 71.903266] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 71.908271] ? __check_object_size+0xa3/0x5d7 [ 71.912757] ? kasan_check_write+0x14/0x20 [ 71.916987] __shmem_file_setup.part.48+0x110/0x2a0 [ 71.922010] shmem_file_setup+0x65/0x90 [ 71.925985] __x64_sys_memfd_create+0x2af/0x4f0 [ 71.930642] ? memfd_fcntl+0x1e80/0x1e80 [ 71.934695] ? ksys_mount+0xa8/0x140 [ 71.938416] do_syscall_64+0x1b9/0x820 [ 71.942297] ? finish_task_switch+0x1d3/0x870 [ 71.946787] ? syscall_return_slowpath+0x5e0/0x5e0 [ 71.951706] ? syscall_return_slowpath+0x31d/0x5e0 [ 71.956641] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 71.961649] ? __switch_to_asm+0x34/0x70 [ 71.965709] ? __switch_to_asm+0x34/0x70 [ 71.969753] ? __switch_to_asm+0x40/0x70 [ 71.973801] ? __switch_to_asm+0x34/0x70 [ 71.977847] ? __switch_to_asm+0x40/0x70 [ 71.981893] ? __switch_to_asm+0x34/0x70 [ 71.985938] ? __switch_to_asm+0x40/0x70 [ 71.989992] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.994827] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.000022] RIP: 0033:0x456b29 [ 72.003218] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.022119] RSP: 002b:00007f0481364a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 72.029820] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 72.037076] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 72.044335] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.051592] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 72.058859] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 72.066852] Task in /ile0 killed as a result of limit of /ile0 [ 72.072893] memory: usage 176kB, limit 0kB, failcnt 6116 [ 72.078372] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 72.085142] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 72.091292] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 72.110773] Tasks state (memory values in pages): [ 72.115650] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 72.124553] [ 6699] 0 6699 9426 534 65536 0 0 syz-executor7 [ 72.133597] [ 6700] 0 6700 9426 535 65536 0 0 syz-executor1 [ 72.142628] [ 6704] 0 6704 9426 535 65536 0 0 syz-executor5 [ 72.151690] [ 6710] 0 6710 9426 536 61440 0 0 syz-executor2 [ 72.160735] [ 6713] 0 6713 9426 535 65536 0 0 syz-executor6 [ 72.169778] Memory cgroup out of memory: Kill process 6700 (syz-executor1) score 551000 or sacrifice child 2018/08/05 10:44:52 executed programs: 53 [ 72.179796] Killed process 6700 (syz-executor1) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 72.190917] oom_reaper: reaped process 6700 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 72.240203] oom_reaper: reaped process 6710 (syz-executor2), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 72.255748] syz-executor6 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 72.266711] syz-executor6 cpuset=/ mems_allowed=0 [ 72.271686] CPU: 1 PID: 6713 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 72.280002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.289348] Call Trace: [ 72.291935] dump_stack+0x1c9/0x2b4 [ 72.295555] ? dump_stack_print_info.cold.2+0x52/0x52 [ 72.300735] ? trace_hardirqs_on+0x10/0x10 [ 72.304960] dump_header+0x27b/0xf70 [ 72.308675] ? pagefault_out_of_memory+0x197/0x197 [ 72.313676] ? do_raw_spin_unlock+0xa7/0x2f0 [ 72.318081] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 72.322658] ? compat_start_thread+0x80/0x80 [ 72.327054] ? trace_hardirqs_on+0x10/0x10 [ 72.331289] ? kasan_check_write+0x14/0x20 [ 72.335526] ? finish_task_switch+0x2ca/0x870 [ 72.340013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.345546] ? css_next_child+0x1c3/0x620 [ 72.349682] ? find_lock_task_mm+0x230/0x4d0 [ 72.354079] ? cgroup_get_tree+0xb20/0xb20 [ 72.358315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.363846] ? task_will_free_mem+0x239/0xb70 [ 72.368339] ? lock_downgrade+0x8f0/0x8f0 [ 72.372483] ? ___ratelimit+0x36f/0x655 [ 72.376454] ? lock_downgrade+0x8f0/0x8f0 [ 72.380592] ? kasan_check_read+0x11/0x20 [ 72.384722] ? do_raw_spin_unlock+0xa7/0x2f0 [ 72.389112] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 72.393689] ? do_raw_spin_lock+0x200/0x200 [ 72.398004] ? oom_kill_process+0x258/0x290 [ 72.402322] ? lock_downgrade+0x8f0/0x8f0 [ 72.406465] ? trace_hardirqs_on+0xd/0x10 [ 72.410597] ? ___ratelimit+0xaa/0x655 [ 72.414468] ? idr_get_free+0x10d0/0x10d0 [ 72.419250] ? kasan_check_write+0x14/0x20 [ 72.423471] ? do_raw_spin_lock+0xc1/0x200 [ 72.427693] oom_kill_process.cold.28+0x10/0x95a [ 72.432435] ? kasan_check_write+0x14/0x20 [ 72.436668] ? do_raw_spin_lock+0xc1/0x200 [ 72.440896] ? trace_hardirqs_on+0xd/0x10 [ 72.445038] ? oom_evaluate_task+0x540/0x540 [ 72.449447] ? cgroup_procs_next+0x70/0x70 [ 72.453674] ? trace_hardirqs_on+0xd/0x10 [ 72.457825] ? _raw_spin_unlock_irq+0x27/0x70 [ 72.462331] ? oom_badness+0xb00/0xb00 [ 72.466214] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 72.470973] ? mem_cgroup_iter_break+0x30/0x30 [ 72.475549] ? shrink_node+0x16a0/0x16a0 [ 72.479607] ? lock_acquire+0x1e4/0x540 [ 72.483570] ? cgroup_file_notify+0x226/0x2f0 [ 72.488060] out_of_memory+0xa8a/0x14d0 [ 72.492018] ? kasan_check_read+0x11/0x20 [ 72.496155] ? oom_killer_disable+0x3a0/0x3a0 [ 72.500652] ? kasan_check_write+0x14/0x20 [ 72.504876] ? do_raw_spin_lock+0xc1/0x200 [ 72.509102] mem_cgroup_out_of_memory+0x15e/0x210 [ 72.513939] ? memcg_memory_event+0x40/0x40 [ 72.518258] ? page_counter_try_charge+0x1c7/0x220 [ 72.523184] try_charge+0x720/0x1680 [ 72.526887] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 72.533637] ? lock_downgrade+0x8f0/0x8f0 [ 72.537788] ? lock_release+0xa30/0xa30 [ 72.541761] ? __anon_vma_prepare+0xc4/0x720 [ 72.546165] ? handle_mm_fault+0x53e/0xc80 [ 72.550389] ? fs_reclaim_acquire+0x20/0x20 [ 72.554698] ? lock_downgrade+0x8f0/0x8f0 [ 72.558842] ? percpu_ref_put_many+0x119/0x240 [ 72.563416] ? get_mem_cgroup_from_mm+0x209/0x440 [ 72.568245] ? get_mem_cgroup_from_page+0x190/0x190 [ 72.573250] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 72.578077] ? lock_acquire+0x1e4/0x540 [ 72.582037] mem_cgroup_try_charge+0x4ff/0xa70 [ 72.586617] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 72.591625] ? mem_cgroup_protected+0xa60/0xa60 [ 72.596287] ? up_write+0x7b/0x220 [ 72.599817] ? up_read+0x110/0x110 [ 72.603377] ? __anon_vma_prepare+0x36d/0x720 [ 72.607883] ? pmd_val+0x88/0x100 [ 72.611326] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 72.616862] mem_cgroup_try_charge_delay+0x1d/0x90 [ 72.621779] __handle_mm_fault+0x25be/0x4470 [ 72.626173] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 72.631005] ? cap_mmap_addr+0x52/0x130 [ 72.634974] ? userfaultfd_unmap_complete+0x32a/0x510 [ 72.640159] ? security_mmap_addr+0x80/0xa0 [ 72.644469] ? lock_acquire+0x1e4/0x540 [ 72.648437] ? handle_mm_fault+0x417/0xc80 [ 72.652658] ? lock_downgrade+0x8f0/0x8f0 [ 72.656803] ? lock_release+0xa30/0xa30 [ 72.660771] ? lock_release+0xa30/0xa30 [ 72.664734] ? down_read_killable+0x200/0x200 [ 72.669223] ? mem_cgroup_from_task+0xcb/0x1f0 [ 72.673791] ? get_mctgt_type+0xde0/0xde0 [ 72.677926] handle_mm_fault+0x53e/0xc80 [ 72.681971] ? __handle_mm_fault+0x4470/0x4470 [ 72.686547] ? find_vma+0x34/0x190 [ 72.690083] __do_page_fault+0x620/0xe50 [ 72.694137] ? mm_fault_error+0x380/0x380 [ 72.698271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.704492] ? __x64_sys_clock_gettime+0x170/0x250 [ 72.709409] ? __ia32_sys_clock_settime+0x290/0x290 [ 72.714419] do_page_fault+0xf6/0x8c0 [ 72.718207] ? vmalloc_sync_all+0x30/0x30 [ 72.722351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.727892] ? do_syscall_64+0x497/0x820 [ 72.731939] ? syscall_return_slowpath+0x5e0/0x5e0 [ 72.736855] ? syscall_return_slowpath+0x31d/0x5e0 [ 72.741778] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 72.747398] ? prepare_exit_to_usermode+0x291/0x3b0 [ 72.752405] ? page_fault+0x8/0x30 [ 72.755941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.760788] ? page_fault+0x8/0x30 [ 72.764326] page_fault+0x1e/0x30 [ 72.767769] RIP: 0033:0x40e33f [ 72.770952] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 72.789844] RSP: 002b:00007fff21f1c920 EFLAGS: 00010206 [ 72.795211] RAX: 00007f2548663000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 72.802478] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 72.809761] RBP: 00007fff21f1ca00 R08: ffffffffffffffff R09: 0000000000000000 [ 72.817038] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff21f1caf0 [ 72.824299] R13: 00007f2548683700 R14: 0000000000000005 R15: 0000000000000001 [ 72.832577] Task in /ile0 killed as a result of limit of /ile0 [ 72.838622] memory: usage 184kB, limit 0kB, failcnt 7007 [ 72.844079] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 72.850842] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 72.857005] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 72.876436] Tasks state (memory values in pages): [ 72.881294] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 72.890155] [ 6704] 0 6704 9426 535 65536 0 0 syz-executor5 [ 72.899207] [ 6713] 0 6713 9426 535 65536 0 0 syz-executor6 [ 72.908270] [ 6720] 0 6720 9426 536 61440 0 0 syz-executor4 [ 72.917353] Memory cgroup out of memory: Kill process 6704 (syz-executor5) score 551000 or sacrifice child [ 72.927187] Killed process 6704 (syz-executor5) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 72.938759] oom_reaper: reaped process 6705 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 72.949116] syz-executor6 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 72.959998] syz-executor6 cpuset=/ mems_allowed=0 [ 72.964890] CPU: 1 PID: 6713 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 72.973194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.982535] Call Trace: [ 72.985120] dump_stack+0x1c9/0x2b4 [ 72.988735] ? dump_stack_print_info.cold.2+0x52/0x52 [ 72.993915] ? trace_hardirqs_on+0x10/0x10 [ 72.998139] dump_header+0x27b/0xf70 [ 73.001859] ? pagefault_out_of_memory+0x197/0x197 [ 73.006781] ? trace_hardirqs_on+0x10/0x10 [ 73.011020] ? rcu_read_unlock+0x16/0x70 [ 73.015071] ? lock_downgrade+0x8f0/0x8f0 [ 73.019299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.024826] ? css_next_child+0x1c3/0x620 [ 73.028962] ? find_lock_task_mm+0x230/0x4d0 [ 73.033450] ? cgroup_get_tree+0xb20/0xb20 [ 73.037674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.043286] ? task_will_free_mem+0x239/0xb70 [ 73.047774] ? lock_downgrade+0x8f0/0x8f0 [ 73.051912] ? ___ratelimit+0x36f/0x655 [ 73.055872] ? lock_downgrade+0x8f0/0x8f0 [ 73.060026] ? kasan_check_read+0x11/0x20 [ 73.064167] ? do_raw_spin_unlock+0xa7/0x2f0 [ 73.068566] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 73.073132] ? do_raw_spin_lock+0x200/0x200 [ 73.077444] ? oom_kill_process+0x258/0x290 [ 73.081756] ? lock_downgrade+0x8f0/0x8f0 [ 73.085903] ? trace_hardirqs_on+0xd/0x10 [ 73.090055] ? ___ratelimit+0xaa/0x655 [ 73.093949] ? idr_get_free+0x10d0/0x10d0 [ 73.098091] ? kasan_check_write+0x14/0x20 [ 73.102332] ? do_raw_spin_lock+0xc1/0x200 [ 73.106569] oom_kill_process.cold.28+0x10/0x95a [ 73.111318] ? kasan_check_write+0x14/0x20 [ 73.115562] ? do_raw_spin_lock+0xc1/0x200 [ 73.119804] ? trace_hardirqs_on+0xd/0x10 [ 73.123945] ? oom_evaluate_task+0x540/0x540 [ 73.128360] ? cgroup_procs_next+0x70/0x70 [ 73.132587] ? trace_hardirqs_on+0xd/0x10 [ 73.136728] ? _raw_spin_unlock_irq+0x27/0x70 [ 73.141221] ? oom_badness+0xb00/0xb00 [ 73.145213] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 73.149980] ? mem_cgroup_iter_break+0x30/0x30 [ 73.154556] ? shrink_node+0x16a0/0x16a0 [ 73.158614] ? lock_acquire+0x1e4/0x540 [ 73.162582] ? cgroup_file_notify+0x226/0x2f0 [ 73.167076] out_of_memory+0xa8a/0x14d0 [ 73.171040] ? kasan_check_read+0x11/0x20 [ 73.175279] ? oom_killer_disable+0x3a0/0x3a0 [ 73.179764] ? kasan_check_write+0x14/0x20 [ 73.184017] ? do_raw_spin_lock+0xc1/0x200 [ 73.188244] mem_cgroup_out_of_memory+0x15e/0x210 [ 73.193078] ? memcg_memory_event+0x40/0x40 [ 73.197391] ? page_counter_try_charge+0x1c7/0x220 [ 73.202319] try_charge+0x720/0x1680 [ 73.206028] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 73.212771] ? lock_downgrade+0x8f0/0x8f0 [ 73.216911] ? lock_release+0xa30/0xa30 [ 73.220874] ? __anon_vma_prepare+0xc4/0x720 [ 73.225283] ? handle_mm_fault+0x53e/0xc80 [ 73.229517] ? fs_reclaim_acquire+0x20/0x20 [ 73.233832] ? lock_downgrade+0x8f0/0x8f0 [ 73.237968] ? percpu_ref_put_many+0x119/0x240 [ 73.242540] ? get_mem_cgroup_from_mm+0x209/0x440 [ 73.247374] ? get_mem_cgroup_from_page+0x190/0x190 [ 73.252473] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 73.257319] ? lock_acquire+0x1e4/0x540 [ 73.261306] mem_cgroup_try_charge+0x4ff/0xa70 [ 73.265890] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 73.270900] ? mem_cgroup_protected+0xa60/0xa60 [ 73.275565] ? up_write+0x7b/0x220 [ 73.279113] ? up_read+0x110/0x110 [ 73.282646] ? __anon_vma_prepare+0x36d/0x720 [ 73.287146] ? pmd_val+0x88/0x100 [ 73.290595] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 73.296124] mem_cgroup_try_charge_delay+0x1d/0x90 [ 73.301044] __handle_mm_fault+0x25be/0x4470 [ 73.305512] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 73.310345] ? cap_mmap_addr+0x52/0x130 [ 73.314312] ? userfaultfd_unmap_complete+0x32a/0x510 [ 73.319517] ? security_mmap_addr+0x80/0xa0 [ 73.323841] ? lock_acquire+0x1e4/0x540 [ 73.327802] ? handle_mm_fault+0x417/0xc80 [ 73.332036] ? lock_downgrade+0x8f0/0x8f0 [ 73.336191] ? lock_release+0xa30/0xa30 [ 73.340173] ? lock_release+0xa30/0xa30 [ 73.344148] ? down_read_killable+0x200/0x200 [ 73.348632] ? mem_cgroup_from_task+0xcb/0x1f0 [ 73.353201] ? get_mctgt_type+0xde0/0xde0 [ 73.357342] handle_mm_fault+0x53e/0xc80 [ 73.361390] ? __handle_mm_fault+0x4470/0x4470 [ 73.365974] ? find_vma+0x34/0x190 [ 73.369520] __do_page_fault+0x620/0xe50 [ 73.373583] ? mm_fault_error+0x380/0x380 [ 73.377724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.383248] ? __x64_sys_clock_gettime+0x170/0x250 [ 73.388172] ? __ia32_sys_clock_settime+0x290/0x290 [ 73.393208] do_page_fault+0xf6/0x8c0 [ 73.396999] ? vmalloc_sync_all+0x30/0x30 [ 73.401145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.406682] ? do_syscall_64+0x497/0x820 [ 73.410736] ? syscall_return_slowpath+0x5e0/0x5e0 [ 73.415652] ? syscall_return_slowpath+0x31d/0x5e0 [ 73.420578] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 73.425597] ? prepare_exit_to_usermode+0x291/0x3b0 [ 73.430628] ? page_fault+0x8/0x30 [ 73.434173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.439008] ? page_fault+0x8/0x30 [ 73.442544] page_fault+0x1e/0x30 [ 73.445989] RIP: 0033:0x40e33f [ 73.449174] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 73.468069] RSP: 002b:00007fff21f1c920 EFLAGS: 00010206 [ 73.473425] RAX: 00007f2548663000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 73.480685] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 73.487956] RBP: 00007fff21f1ca00 R08: ffffffffffffffff R09: 0000000000000000 [ 73.495306] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff21f1caf0 [ 73.502576] R13: 00007f2548683700 R14: 0000000000000005 R15: 0000000000000001 [ 73.510582] Task in /ile0 killed as a result of limit of /ile0 [ 73.516626] memory: usage 188kB, limit 0kB, failcnt 7239 [ 73.522095] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 73.528864] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 73.535018] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 73.554454] Tasks state (memory values in pages): [ 73.559318] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 73.568241] [ 6713] 0 6713 9426 535 65536 0 0 syz-executor6 [ 73.577301] [ 6720] 0 6720 9426 536 61440 0 0 syz-executor4 [ 73.586361] Memory cgroup out of memory: Kill process 6713 (syz-executor6) score 551000 or sacrifice child [ 73.596217] Killed process 6713 (syz-executor6) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 73.607740] oom_reaper: reaped process 6715 (syz-executor6), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 73.619849] syz-executor4 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 73.630757] syz-executor4 cpuset=/ mems_allowed=0 [ 73.635644] CPU: 1 PID: 6720 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 73.643963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.653326] Call Trace: [ 73.655920] dump_stack+0x1c9/0x2b4 [ 73.659546] ? dump_stack_print_info.cold.2+0x52/0x52 [ 73.664727] ? trace_hardirqs_on+0x10/0x10 [ 73.668952] dump_header+0x27b/0xf70 [ 73.672663] ? pagefault_out_of_memory+0x197/0x197 [ 73.677588] ? do_raw_spin_unlock+0xa7/0x2f0 [ 73.682682] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 73.687275] ? compat_start_thread+0x80/0x80 [ 73.691676] ? trace_hardirqs_on+0x10/0x10 [ 73.695918] ? kasan_check_write+0x14/0x20 [ 73.700142] ? finish_task_switch+0x2ca/0x870 [ 73.704646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.710191] ? css_next_child+0x1c3/0x620 [ 73.714338] ? find_lock_task_mm+0x230/0x4d0 [ 73.718749] ? cgroup_get_tree+0xb20/0xb20 [ 73.723001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.728586] ? task_will_free_mem+0x239/0xb70 [ 73.733071] ? lock_downgrade+0x8f0/0x8f0 [ 73.737211] ? ___ratelimit+0x36f/0x655 [ 73.741187] ? lock_downgrade+0x8f0/0x8f0 [ 73.745326] ? kasan_check_read+0x11/0x20 [ 73.749501] ? do_raw_spin_unlock+0xa7/0x2f0 [ 73.753902] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 73.758482] ? do_raw_spin_lock+0x200/0x200 [ 73.762795] ? oom_kill_process+0x258/0x290 [ 73.767104] ? lock_downgrade+0x8f0/0x8f0 [ 73.771240] ? trace_hardirqs_on+0xd/0x10 [ 73.775375] ? ___ratelimit+0xaa/0x655 [ 73.779253] ? idr_get_free+0x10d0/0x10d0 [ 73.783389] ? kasan_check_write+0x14/0x20 [ 73.787613] ? do_raw_spin_lock+0xc1/0x200 [ 73.791836] oom_kill_process.cold.28+0x10/0x95a [ 73.796606] ? kasan_check_write+0x14/0x20 [ 73.800833] ? do_raw_spin_lock+0xc1/0x200 [ 73.805068] ? trace_hardirqs_on+0xd/0x10 [ 73.809207] ? oom_evaluate_task+0x540/0x540 [ 73.813602] ? cgroup_procs_next+0x70/0x70 [ 73.817830] ? trace_hardirqs_on+0xd/0x10 [ 73.821979] ? _raw_spin_unlock_irq+0x27/0x70 [ 73.826475] ? oom_badness+0xb00/0xb00 [ 73.830357] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 73.835114] ? mem_cgroup_iter_break+0x30/0x30 [ 73.839683] ? shrink_node+0x16a0/0x16a0 [ 73.843744] ? lock_acquire+0x1e4/0x540 [ 73.847718] ? cgroup_file_notify+0x226/0x2f0 [ 73.852202] out_of_memory+0xa8a/0x14d0 [ 73.856166] ? kasan_check_read+0x11/0x20 [ 73.860302] ? oom_killer_disable+0x3a0/0x3a0 [ 73.864785] ? kasan_check_write+0x14/0x20 [ 73.869026] ? do_raw_spin_lock+0xc1/0x200 [ 73.873250] mem_cgroup_out_of_memory+0x15e/0x210 [ 73.878080] ? memcg_memory_event+0x40/0x40 [ 73.882390] ? page_counter_try_charge+0x1c7/0x220 [ 73.887320] try_charge+0x720/0x1680 [ 73.891034] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 73.897792] ? lock_downgrade+0x8f0/0x8f0 [ 73.902548] ? lock_release+0xa30/0xa30 [ 73.906530] ? __anon_vma_prepare+0xc4/0x720 [ 73.910936] ? handle_mm_fault+0x53e/0xc80 [ 73.915164] ? fs_reclaim_acquire+0x20/0x20 [ 73.919596] ? lock_downgrade+0x8f0/0x8f0 [ 73.923733] ? percpu_ref_put_many+0x119/0x240 [ 73.928402] ? get_mem_cgroup_from_mm+0x209/0x440 [ 73.933237] ? get_mem_cgroup_from_page+0x190/0x190 [ 73.938249] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 73.943091] ? lock_acquire+0x1e4/0x540 [ 73.947062] mem_cgroup_try_charge+0x4ff/0xa70 [ 73.951638] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 73.956996] ? mem_cgroup_protected+0xa60/0xa60 [ 73.961669] ? up_write+0x7b/0x220 [ 73.965197] ? up_read+0x110/0x110 [ 73.968728] ? __anon_vma_prepare+0x36d/0x720 [ 73.973229] ? pmd_val+0x88/0x100 [ 73.976686] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 73.982225] mem_cgroup_try_charge_delay+0x1d/0x90 [ 73.987143] __handle_mm_fault+0x25be/0x4470 [ 73.991541] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 73.996374] ? cap_mmap_addr+0x52/0x130 [ 74.000350] ? userfaultfd_unmap_complete+0x32a/0x510 [ 74.005530] ? security_mmap_addr+0x80/0xa0 [ 74.009848] ? lock_acquire+0x1e4/0x540 [ 74.013865] ? handle_mm_fault+0x417/0xc80 [ 74.018090] ? lock_downgrade+0x8f0/0x8f0 [ 74.022225] ? lock_release+0xa30/0xa30 [ 74.026188] ? lock_release+0xa30/0xa30 [ 74.030165] ? down_read_killable+0x200/0x200 [ 74.034658] ? mem_cgroup_from_task+0xcb/0x1f0 [ 74.039238] ? get_mctgt_type+0xde0/0xde0 [ 74.043379] handle_mm_fault+0x53e/0xc80 [ 74.047428] ? __handle_mm_fault+0x4470/0x4470 [ 74.052007] ? find_vma+0x34/0x190 [ 74.055547] __do_page_fault+0x620/0xe50 [ 74.059602] ? mm_fault_error+0x380/0x380 [ 74.063755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.069304] ? __x64_sys_clock_gettime+0x170/0x250 [ 74.074225] ? __ia32_sys_clock_settime+0x290/0x290 [ 74.079230] do_page_fault+0xf6/0x8c0 [ 74.083028] ? vmalloc_sync_all+0x30/0x30 [ 74.087167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.092694] ? do_syscall_64+0x497/0x820 [ 74.096741] ? syscall_return_slowpath+0x5e0/0x5e0 [ 74.101669] ? syscall_return_slowpath+0x31d/0x5e0 [ 74.106606] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 74.111611] ? prepare_exit_to_usermode+0x291/0x3b0 [ 74.116615] ? page_fault+0x8/0x30 [ 74.120145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.124976] ? page_fault+0x8/0x30 [ 74.128514] page_fault+0x1e/0x30 [ 74.131964] RIP: 0033:0x40e33f [ 74.135143] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 74.154125] RSP: 002b:00007ffcc7fddb40 EFLAGS: 00010206 [ 74.159497] RAX: 00007f834cce8000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 74.166761] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 74.174034] RBP: 00007ffcc7fddc20 R08: ffffffffffffffff R09: 0000000000000000 [ 74.181302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcc7fddd10 [ 74.188574] R13: 00007f834cd08700 R14: 0000000000000005 R15: 0000000000000001 [ 74.196284] Task in /ile0 killed as a result of limit of /ile0 [ 74.202360] memory: usage 196kB, limit 0kB, failcnt 7455 [ 74.207858] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 74.214630] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 74.220788] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 74.240353] Tasks state (memory values in pages): [ 74.245225] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 74.254105] [ 6715] 0 6713 9426 1 61440 0 0 syz-executor6 [ 74.263165] [ 6720] 0 6720 9426 536 61440 0 0 syz-executor4 [ 74.272407] Memory cgroup out of memory: Kill process 6720 (syz-executor4) score 551000 or sacrifice child [ 74.282265] Killed process 6720 (syz-executor4) total-vm:37704kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 74.293509] oom_reaper: reaped process 6720 (syz-executor4), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 74.368903] syz-executor7 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 74.380839] syz-executor7 cpuset=/ mems_allowed=0 [ 74.385749] CPU: 0 PID: 6749 Comm: syz-executor7 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 74.394084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.403442] Call Trace: [ 74.406070] dump_stack+0x1c9/0x2b4 [ 74.409720] ? dump_stack_print_info.cold.2+0x52/0x52 [ 74.414938] ? trace_hardirqs_on+0x10/0x10 [ 74.419196] dump_header+0x27b/0xf70 [ 74.422937] ? pagefault_out_of_memory+0x197/0x197 [ 74.427883] ? trace_hardirqs_on+0x10/0x10 [ 74.432103] ? rcu_read_unlock+0x16/0x70 [ 74.436170] ? lock_downgrade+0x8f0/0x8f0 [ 74.440313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.445842] ? css_next_child+0x1c3/0x620 [ 74.449978] ? find_lock_task_mm+0x230/0x4d0 [ 74.454390] ? cgroup_get_tree+0xb20/0xb20 [ 74.458629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.464170] ? task_will_free_mem+0x239/0xb70 [ 74.468659] ? lock_downgrade+0x8f0/0x8f0 [ 74.472801] ? ___ratelimit+0x36f/0x655 [ 74.476772] ? lock_downgrade+0x8f0/0x8f0 [ 74.480923] ? kasan_check_read+0x11/0x20 [ 74.485066] ? do_raw_spin_unlock+0xa7/0x2f0 [ 74.489469] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 74.494222] ? do_raw_spin_lock+0x200/0x200 [ 74.498546] ? oom_kill_process+0x258/0x290 [ 74.502864] ? lock_downgrade+0x8f0/0x8f0 [ 74.507023] ? trace_hardirqs_on+0xd/0x10 [ 74.511164] ? ___ratelimit+0xaa/0x655 [ 74.515039] ? idr_get_free+0x10d0/0x10d0 [ 74.519181] ? kasan_check_write+0x14/0x20 [ 74.523408] ? do_raw_spin_lock+0xc1/0x200 [ 74.527645] oom_kill_process.cold.28+0x10/0x95a [ 74.532512] ? kasan_check_write+0x14/0x20 [ 74.536737] ? do_raw_spin_lock+0xc1/0x200 [ 74.540979] ? trace_hardirqs_on+0xd/0x10 [ 74.545116] ? oom_evaluate_task+0x540/0x540 [ 74.549551] ? cgroup_procs_next+0x70/0x70 [ 74.553782] ? trace_hardirqs_on+0xd/0x10 [ 74.557925] ? _raw_spin_unlock_irq+0x27/0x70 [ 74.562605] ? oom_badness+0xb00/0xb00 [ 74.566490] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 74.571242] ? mem_cgroup_iter_break+0x30/0x30 [ 74.575832] ? shrink_node+0x16a0/0x16a0 [ 74.579896] ? lock_acquire+0x1e4/0x540 [ 74.583859] ? cgroup_file_notify+0x226/0x2f0 [ 74.589031] out_of_memory+0xa8a/0x14d0 [ 74.593005] ? kasan_check_read+0x11/0x20 [ 74.597146] ? oom_killer_disable+0x3a0/0x3a0 [ 74.601628] ? kasan_check_write+0x14/0x20 [ 74.605853] ? do_raw_spin_lock+0xc1/0x200 [ 74.610088] mem_cgroup_out_of_memory+0x15e/0x210 [ 74.614928] ? memcg_memory_event+0x40/0x40 [ 74.619239] ? page_counter_try_charge+0x1c7/0x220 [ 74.624159] try_charge+0x720/0x1680 [ 74.627869] ? lock_acquire+0x1e4/0x540 [ 74.631833] ? fs_reclaim_acquire+0x20/0x20 [ 74.636176] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 74.642925] ? rcu_note_context_switch+0x730/0x730 [ 74.647850] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 74.652683] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 74.657704] memcg_kmem_charge_memcg+0x7c/0x120 [ 74.662368] ? memcg_kmem_put_cache+0xb0/0xb0 [ 74.666853] ? __free_pages+0x10a/0x190 [ 74.670827] cache_grow_begin+0x207/0x710 [ 74.674973] ? do_raw_spin_unlock+0xa7/0x2f0 [ 74.679393] fallback_alloc+0x203/0x2c0 [ 74.683457] ____cache_alloc_node+0x1c7/0x1e0 [ 74.687956] kmem_cache_alloc+0x1e5/0x760 [ 74.692120] ? lock_downgrade+0x8f0/0x8f0 [ 74.696259] ? shmem_destroy_callback+0xc0/0xc0 [ 74.700916] shmem_alloc_inode+0x1b/0x40 [ 74.704985] alloc_inode+0x63/0x190 [ 74.708622] new_inode_pseudo+0x71/0x1a0 [ 74.712687] ? prune_icache_sb+0x1c0/0x1c0 [ 74.716914] ? _raw_spin_unlock+0x22/0x30 [ 74.721058] new_inode+0x1c/0x40 [ 74.724443] shmem_get_inode+0xf1/0x910 [ 74.728407] ? shmem_encode_fh+0x340/0x340 [ 74.732629] ? lock_downgrade+0x8f0/0x8f0 [ 74.736773] ? lock_release+0xa30/0xa30 [ 74.740763] ? check_same_owner+0x340/0x340 [ 74.745085] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 74.750102] ? __check_object_size+0xa3/0x5d7 [ 74.754591] __shmem_file_setup.part.48+0x83/0x2a0 [ 74.759519] shmem_file_setup+0x65/0x90 [ 74.763496] __x64_sys_memfd_create+0x2af/0x4f0 [ 74.768251] ? memfd_fcntl+0x1e80/0x1e80 [ 74.772314] ? ksys_mount+0xa8/0x140 [ 74.776037] do_syscall_64+0x1b9/0x820 [ 74.779923] ? finish_task_switch+0x1d3/0x870 [ 74.784420] ? syscall_return_slowpath+0x5e0/0x5e0 [ 74.789354] ? syscall_return_slowpath+0x31d/0x5e0 [ 74.794278] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 74.799285] ? __switch_to_asm+0x34/0x70 [ 74.803349] ? __switch_to_asm+0x34/0x70 [ 74.807410] ? __switch_to_asm+0x40/0x70 [ 74.811458] ? __switch_to_asm+0x34/0x70 [ 74.815525] ? __switch_to_asm+0x40/0x70 [ 74.819576] ? __switch_to_asm+0x34/0x70 [ 74.823628] ? __switch_to_asm+0x40/0x70 [ 74.827686] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.832524] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.837704] RIP: 0033:0x456b29 [ 74.840891] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.859787] RSP: 002b:00007f420eeb6a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 74.867493] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 74.875196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 74.882453] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 74.889711] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 74.896969] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 74.904552] Task in /ile0 killed as a result of limit of /ile0 [ 74.910577] memory: usage 192kB, limit 0kB, failcnt 7528 [ 74.916067] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 74.922839] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 74.928998] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 74.948445] Tasks state (memory values in pages): [ 74.953315] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 74.962287] [ 6734] 0 6734 9426 535 65536 0 0 syz-executor1 [ 74.971365] [ 6740] 0 6740 9426 534 65536 0 0 syz-executor7 [ 74.980425] [ 6743] 0 6743 9426 535 65536 0 0 syz-executor5 [ 74.989570] [ 6747] 0 6747 9426 535 61440 0 0 syz-executor0 [ 74.998646] Memory cgroup out of memory: Kill process 6740 (syz-executor7) score 550000 or sacrifice child [ 75.008506] Killed process 6740 (syz-executor7) total-vm:37704kB, anon-rss:2136kB, file-rss:0kB, shmem-rss:0kB [ 75.019620] oom_reaper: reaped process 6740 (syz-executor7), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 75.103009] oom_reaper: reaped process 6747 (syz-executor0), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 75.123239] syz-executor1 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 75.134170] syz-executor1 cpuset=/ mems_allowed=0 [ 75.139078] CPU: 1 PID: 6734 Comm: syz-executor1 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 75.147382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.156724] Call Trace: [ 75.159306] dump_stack+0x1c9/0x2b4 [ 75.162935] ? dump_stack_print_info.cold.2+0x52/0x52 [ 75.168127] ? trace_hardirqs_on+0x10/0x10 [ 75.172357] dump_header+0x27b/0xf70 [ 75.176063] ? pagefault_out_of_memory+0x197/0x197 [ 75.180980] ? do_raw_spin_unlock+0xa7/0x2f0 [ 75.185387] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 75.189965] ? compat_start_thread+0x80/0x80 [ 75.194362] ? trace_hardirqs_on+0x10/0x10 [ 75.198589] ? kasan_check_write+0x14/0x20 [ 75.202827] ? finish_task_switch+0x2ca/0x870 [ 75.207338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.212871] ? css_next_child+0x1c3/0x620 [ 75.217013] ? find_lock_task_mm+0x230/0x4d0 [ 75.221423] ? cgroup_get_tree+0xb20/0xb20 [ 75.225647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.231174] ? task_will_free_mem+0x239/0xb70 [ 75.235667] ? lock_downgrade+0x8f0/0x8f0 [ 75.239807] ? ___ratelimit+0x36f/0x655 [ 75.243772] ? lock_downgrade+0x8f0/0x8f0 [ 75.247925] ? kasan_check_read+0x11/0x20 [ 75.252076] ? do_raw_spin_unlock+0xa7/0x2f0 [ 75.256470] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 75.261040] ? do_raw_spin_lock+0x200/0x200 [ 75.265377] ? oom_kill_process+0x258/0x290 [ 75.269707] ? lock_downgrade+0x8f0/0x8f0 [ 75.273844] ? trace_hardirqs_on+0xd/0x10 [ 75.277988] ? ___ratelimit+0xaa/0x655 [ 75.281866] ? idr_get_free+0x10d0/0x10d0 [ 75.286019] ? kasan_check_write+0x14/0x20 [ 75.290246] ? do_raw_spin_lock+0xc1/0x200 [ 75.294481] oom_kill_process.cold.28+0x10/0x95a [ 75.299262] ? kasan_check_write+0x14/0x20 [ 75.303488] ? do_raw_spin_lock+0xc1/0x200 [ 75.307716] ? trace_hardirqs_on+0xd/0x10 [ 75.311867] ? oom_evaluate_task+0x540/0x540 [ 75.316267] ? cgroup_procs_next+0x70/0x70 [ 75.320491] ? trace_hardirqs_on+0xd/0x10 [ 75.324632] ? _raw_spin_unlock_irq+0x27/0x70 [ 75.329125] ? oom_badness+0xb00/0xb00 [ 75.333029] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 75.337778] ? mem_cgroup_iter_break+0x30/0x30 [ 75.342359] ? shrink_node+0x16a0/0x16a0 [ 75.346429] ? lock_acquire+0x1e4/0x540 [ 75.350398] ? cgroup_file_notify+0x226/0x2f0 [ 75.354905] out_of_memory+0xa8a/0x14d0 [ 75.360177] ? kasan_check_read+0x11/0x20 [ 75.364316] ? oom_killer_disable+0x3a0/0x3a0 [ 75.368805] ? kasan_check_write+0x14/0x20 [ 75.373047] ? do_raw_spin_lock+0xc1/0x200 [ 75.377274] mem_cgroup_out_of_memory+0x15e/0x210 [ 75.382114] ? memcg_memory_event+0x40/0x40 [ 75.386430] ? page_counter_try_charge+0x115/0x220 [ 75.391376] ? page_counter_try_charge+0x1c7/0x220 [ 75.396315] try_charge+0x720/0x1680 [ 75.400029] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 75.406778] ? lock_downgrade+0x8f0/0x8f0 [ 75.410919] ? lock_release+0xa30/0xa30 [ 75.414889] ? __anon_vma_prepare+0xc4/0x720 [ 75.419311] ? handle_mm_fault+0x53e/0xc80 [ 75.423640] ? fs_reclaim_acquire+0x20/0x20 [ 75.427952] ? lock_downgrade+0x8f0/0x8f0 [ 75.432094] ? percpu_ref_put_many+0x119/0x240 [ 75.436673] ? get_mem_cgroup_from_mm+0x209/0x440 [ 75.441516] ? get_mem_cgroup_from_page+0x190/0x190 [ 75.446532] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 75.451372] ? lock_acquire+0x1e4/0x540 [ 75.455344] mem_cgroup_try_charge+0x4ff/0xa70 [ 75.459919] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 75.464930] ? mem_cgroup_protected+0xa60/0xa60 [ 75.469591] ? up_write+0x7b/0x220 [ 75.473118] ? up_read+0x110/0x110 [ 75.476657] ? __anon_vma_prepare+0x36d/0x720 [ 75.481147] ? pmd_val+0x88/0x100 [ 75.484591] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 75.490127] mem_cgroup_try_charge_delay+0x1d/0x90 [ 75.495051] __handle_mm_fault+0x25be/0x4470 [ 75.499456] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 75.504287] ? cap_mmap_addr+0x52/0x130 [ 75.508267] ? userfaultfd_unmap_complete+0x32a/0x510 [ 75.513451] ? security_mmap_addr+0x80/0xa0 [ 75.517775] ? lock_acquire+0x1e4/0x540 [ 75.521840] ? handle_mm_fault+0x417/0xc80 [ 75.526068] ? lock_downgrade+0x8f0/0x8f0 [ 75.530220] ? lock_release+0xa30/0xa30 [ 75.534187] ? lock_release+0xa30/0xa30 [ 75.538155] ? down_read_killable+0x200/0x200 [ 75.542647] ? mem_cgroup_from_task+0xcb/0x1f0 [ 75.547236] ? get_mctgt_type+0xde0/0xde0 [ 75.551409] handle_mm_fault+0x53e/0xc80 [ 75.555477] ? __handle_mm_fault+0x4470/0x4470 [ 75.560050] ? find_vma+0x34/0x190 [ 75.563590] __do_page_fault+0x620/0xe50 [ 75.567643] ? mm_fault_error+0x380/0x380 [ 75.571791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.577321] ? __x64_sys_clock_gettime+0x170/0x250 [ 75.582263] ? __ia32_sys_clock_settime+0x290/0x290 [ 75.587272] do_page_fault+0xf6/0x8c0 [ 75.591151] ? vmalloc_sync_all+0x30/0x30 [ 75.595294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.600820] ? do_syscall_64+0x497/0x820 [ 75.604873] ? syscall_slow_exit_work+0x500/0x500 [ 75.609710] ? syscall_return_slowpath+0x5e0/0x5e0 [ 75.614653] ? syscall_return_slowpath+0x31d/0x5e0 [ 75.619576] ? prepare_exit_to_usermode+0x291/0x3b0 [ 75.624603] ? page_fault+0x8/0x30 [ 75.628147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.632982] ? page_fault+0x8/0x30 [ 75.636513] page_fault+0x1e/0x30 [ 75.640477] RIP: 0033:0x40e33f [ 75.643681] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 75.662575] RSP: 002b:00007ffd226d3410 EFLAGS: 00010206 [ 75.667932] RAX: 00007f0481324000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 75.675201] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 75.682468] RBP: 00007ffd226d34f0 R08: ffffffffffffffff R09: 0000000000000000 [ 75.689733] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd226d35e0 [ 75.696992] R13: 00007f0481344700 R14: 0000000000000005 R15: 0000000000000001 [ 75.704572] Task in /ile0 killed as a result of limit of /ile0 [ 75.710638] memory: usage 196kB, limit 0kB, failcnt 8966 [ 75.716117] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 75.722884] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 75.729035] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 75.748473] Tasks state (memory values in pages): [ 75.753341] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 75.762244] [ 6734] 0 6734 9426 535 65536 0 0 syz-executor1 [ 75.771290] [ 6740] 0 6740 9426 0 61440 0 0 syz-executor7 [ 75.780367] [ 6743] 0 6743 9426 535 65536 0 0 syz-executor5 [ 75.789436] [ 6775] 0 6775 9426 535 65536 0 0 syz-executor6 [ 75.798478] [ 6776] 0 6776 9426 536 61440 0 0 syz-executor4 [ 75.807530] Memory cgroup out of memory: Kill process 6734 (syz-executor1) score 551000 or sacrifice child [ 75.817398] Killed process 6734 (syz-executor1) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 75.830216] syz-executor6 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 75.842210] syz-executor6 cpuset=/ mems_allowed=0 [ 75.847110] CPU: 0 PID: 6785 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 75.855437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.864866] Call Trace: [ 75.867459] dump_stack+0x1c9/0x2b4 [ 75.871075] ? dump_stack_print_info.cold.2+0x52/0x52 [ 75.876262] ? trace_hardirqs_on+0x10/0x10 [ 75.880487] dump_header+0x27b/0xf70 [ 75.884192] ? trace_hardirqs_on+0x10/0x10 [ 75.888415] ? finish_task_switch+0x1d3/0x870 [ 75.892901] ? pagefault_out_of_memory+0x197/0x197 [ 75.897826] ? __switch_to_asm+0x40/0x70 [ 75.901877] ? __switch_to_asm+0x34/0x70 [ 75.905926] ? __switch_to_asm+0x40/0x70 [ 75.909970] ? __switch_to_asm+0x34/0x70 [ 75.914286] ? __switch_to_asm+0x40/0x70 [ 75.918332] ? __switch_to_asm+0x34/0x70 [ 75.922397] ? __switch_to_asm+0x40/0x70 [ 75.926455] ? trace_hardirqs_on+0x10/0x10 [ 75.931029] ? __schedule+0x884/0x1ec0 [ 75.934902] ? kasan_check_write+0x14/0x20 [ 75.939125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.944660] ? css_next_child+0x1c3/0x620 [ 75.948798] ? find_lock_task_mm+0x230/0x4d0 [ 75.953209] ? cgroup_get_tree+0xb20/0xb20 [ 75.957434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.962963] ? task_will_free_mem+0x239/0xb70 [ 75.967443] ? lock_downgrade+0x8f0/0x8f0 [ 75.971583] ? ___ratelimit+0x36f/0x655 [ 75.975548] ? lock_downgrade+0x8f0/0x8f0 [ 75.979699] ? kasan_check_read+0x11/0x20 [ 75.983831] ? do_raw_spin_unlock+0xa7/0x2f0 [ 75.988227] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 75.992795] ? do_raw_spin_lock+0x200/0x200 [ 75.997117] ? oom_kill_process+0x258/0x290 [ 76.001440] ? lock_downgrade+0x8f0/0x8f0 [ 76.005586] ? trace_hardirqs_on+0xd/0x10 [ 76.009718] ? ___ratelimit+0xaa/0x655 [ 76.013786] ? idr_get_free+0x10d0/0x10d0 [ 76.017937] ? kasan_check_write+0x14/0x20 [ 76.022157] ? do_raw_spin_lock+0xc1/0x200 [ 76.026378] oom_kill_process.cold.28+0x10/0x95a [ 76.031129] ? kasan_check_write+0x14/0x20 [ 76.035358] ? do_raw_spin_lock+0xc1/0x200 [ 76.039578] ? trace_hardirqs_on+0xd/0x10 [ 76.043810] ? oom_evaluate_task+0x540/0x540 [ 76.048204] ? cgroup_procs_next+0x70/0x70 [ 76.052422] ? trace_hardirqs_on+0xd/0x10 [ 76.056558] ? _raw_spin_unlock_irq+0x27/0x70 [ 76.061045] ? oom_badness+0xb00/0xb00 [ 76.064919] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 76.069660] ? mem_cgroup_iter_break+0x30/0x30 [ 76.074225] ? shrink_node+0x16a0/0x16a0 [ 76.078271] ? lock_acquire+0x1e4/0x540 [ 76.082228] ? cgroup_file_notify+0x226/0x2f0 [ 76.086708] out_of_memory+0xa8a/0x14d0 [ 76.090677] ? kasan_check_read+0x11/0x20 [ 76.094814] ? oom_killer_disable+0x3a0/0x3a0 [ 76.099289] ? kasan_check_write+0x14/0x20 [ 76.103505] ? do_raw_spin_lock+0xc1/0x200 [ 76.107723] mem_cgroup_out_of_memory+0x15e/0x210 [ 76.112548] ? memcg_memory_event+0x40/0x40 [ 76.116857] ? page_counter_try_charge+0x1c7/0x220 [ 76.121776] try_charge+0x720/0x1680 [ 76.125475] ? lock_acquire+0x1e4/0x540 [ 76.129435] ? fs_reclaim_acquire+0x20/0x20 [ 76.133739] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 76.140504] ? rcu_note_context_switch+0x730/0x730 [ 76.145437] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 76.150265] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 76.155275] memcg_kmem_charge_memcg+0x7c/0x120 [ 76.159925] ? memcg_kmem_put_cache+0xb0/0xb0 [ 76.164402] ? __free_pages+0x10a/0x190 [ 76.168366] cache_grow_begin+0x207/0x710 [ 76.172506] ? do_raw_spin_unlock+0xa7/0x2f0 [ 76.176901] fallback_alloc+0x203/0x2c0 [ 76.180868] ____cache_alloc_node+0x1c7/0x1e0 [ 76.185363] kmem_cache_alloc+0x1e5/0x760 [ 76.189498] ? lock_downgrade+0x8f0/0x8f0 [ 76.193634] ? shmem_destroy_callback+0xc0/0xc0 [ 76.198296] shmem_alloc_inode+0x1b/0x40 [ 76.202354] alloc_inode+0x63/0x190 [ 76.205972] new_inode_pseudo+0x71/0x1a0 [ 76.210016] ? prune_icache_sb+0x1c0/0x1c0 [ 76.214237] ? _raw_spin_unlock+0x22/0x30 [ 76.218368] new_inode+0x1c/0x40 [ 76.221720] shmem_get_inode+0xf1/0x910 [ 76.225680] ? shmem_encode_fh+0x340/0x340 [ 76.229909] ? lock_downgrade+0x8f0/0x8f0 [ 76.234064] ? lock_release+0xa30/0xa30 [ 76.238019] ? check_same_owner+0x340/0x340 [ 76.242326] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 76.247334] ? __check_object_size+0xa3/0x5d7 [ 76.251828] __shmem_file_setup.part.48+0x83/0x2a0 [ 76.256751] shmem_file_setup+0x65/0x90 [ 76.260708] __x64_sys_memfd_create+0x2af/0x4f0 [ 76.265363] ? memfd_fcntl+0x1e80/0x1e80 [ 76.269407] do_syscall_64+0x1b9/0x820 [ 76.273276] ? syscall_return_slowpath+0x5e0/0x5e0 [ 76.278193] ? syscall_return_slowpath+0x31d/0x5e0 [ 76.283115] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 76.288116] ? __switch_to_asm+0x34/0x70 [ 76.292166] ? __switch_to_asm+0x34/0x70 [ 76.296214] ? __switch_to_asm+0x40/0x70 [ 76.300269] ? __switch_to_asm+0x34/0x70 [ 76.304315] ? __switch_to_asm+0x34/0x70 [ 76.308367] ? __switch_to_asm+0x40/0x70 [ 76.312433] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.317260] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.322437] RIP: 0033:0x456b29 [ 76.325625] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.344515] RSP: 002b:00007f25486a3a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 76.352209] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 76.359464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 76.366722] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 76.373974] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 76.381223] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 76.388850] Task in /ile0 killed as a result of limit of /ile0 [ 76.394920] memory: usage 204kB, limit 0kB, failcnt 9003 [ 76.400382] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 76.407159] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 76.413313] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 76.432770] Tasks state (memory values in pages): [ 76.437631] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 76.446498] [ 6743] 0 6743 9426 535 65536 0 0 syz-executor5 [ 76.455560] [ 6775] 0 6775 9426 535 65536 0 0 syz-executor6 [ 76.464607] [ 6776] 0 6776 9426 536 61440 0 0 syz-executor4 [ 76.473653] Memory cgroup out of memory: Kill process 6743 (syz-executor5) score 551000 or sacrifice child [ 76.483482] Killed process 6743 (syz-executor5) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 76.494818] oom_reaper: reaped process 6743 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 76.548284] syz-executor4 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 76.559299] syz-executor4 cpuset=/ mems_allowed=0 [ 76.564227] CPU: 0 PID: 6776 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 76.572544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.581898] Call Trace: [ 76.585020] dump_stack+0x1c9/0x2b4 [ 76.588659] ? dump_stack_print_info.cold.2+0x52/0x52 [ 76.593856] ? trace_hardirqs_on+0x10/0x10 [ 76.598100] dump_header+0x27b/0xf70 [ 76.601823] ? pagefault_out_of_memory+0x197/0x197 [ 76.606757] ? do_raw_spin_unlock+0xa7/0x2f0 [ 76.611171] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 76.615751] ? compat_start_thread+0x80/0x80 [ 76.620154] ? trace_hardirqs_on+0x10/0x10 [ 76.624380] ? trace_hardirqs_on+0xd/0x10 [ 76.628516] ? _raw_spin_unlock_irq+0x27/0x70 [ 76.632996] ? finish_task_switch+0x1d3/0x870 [ 76.637475] ? finish_task_switch+0x18a/0x870 [ 76.641956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.647480] ? css_next_child+0x1c3/0x620 [ 76.651616] ? find_lock_task_mm+0x230/0x4d0 [ 76.656014] ? cgroup_get_tree+0xb20/0xb20 [ 76.660234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.665755] ? task_will_free_mem+0x239/0xb70 [ 76.670238] ? lock_downgrade+0x8f0/0x8f0 [ 76.674374] ? ___ratelimit+0x36f/0x655 [ 76.678341] ? lock_downgrade+0x8f0/0x8f0 [ 76.682500] ? kasan_check_read+0x11/0x20 [ 76.686630] ? do_raw_spin_unlock+0xa7/0x2f0 [ 76.691020] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 76.695582] ? do_raw_spin_lock+0x200/0x200 [ 76.699887] ? oom_kill_process+0x258/0x290 [ 76.704194] ? lock_downgrade+0x8f0/0x8f0 [ 76.708333] ? trace_hardirqs_on+0xd/0x10 [ 76.712468] ? ___ratelimit+0xaa/0x655 [ 76.716342] ? idr_get_free+0x10d0/0x10d0 [ 76.720478] ? kasan_check_write+0x14/0x20 [ 76.724698] ? do_raw_spin_lock+0xc1/0x200 [ 76.728924] oom_kill_process.cold.28+0x10/0x95a [ 76.733670] ? kasan_check_write+0x14/0x20 [ 76.737890] ? do_raw_spin_lock+0xc1/0x200 [ 76.742113] ? trace_hardirqs_on+0xd/0x10 [ 76.746249] ? oom_evaluate_task+0x540/0x540 [ 76.750642] ? cgroup_procs_next+0x70/0x70 [ 76.754865] ? trace_hardirqs_on+0xd/0x10 [ 76.758997] ? _raw_spin_unlock_irq+0x27/0x70 [ 76.763474] ? oom_badness+0xb00/0xb00 [ 76.767349] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 76.772089] ? mem_cgroup_iter_break+0x30/0x30 [ 76.776655] ? shrink_node+0x16a0/0x16a0 [ 76.780704] ? lock_acquire+0x1e4/0x540 [ 76.784665] ? cgroup_file_notify+0x226/0x2f0 [ 76.789162] out_of_memory+0xa8a/0x14d0 [ 76.793125] ? kasan_check_read+0x11/0x20 [ 76.797272] ? oom_killer_disable+0x3a0/0x3a0 [ 76.801754] ? kasan_check_write+0x14/0x20 [ 76.805973] ? do_raw_spin_lock+0xc1/0x200 [ 76.810196] mem_cgroup_out_of_memory+0x15e/0x210 [ 76.815024] ? memcg_memory_event+0x40/0x40 [ 76.819338] ? page_counter_try_charge+0x1c7/0x220 [ 76.824257] try_charge+0x720/0x1680 [ 76.827960] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 76.834705] ? lock_downgrade+0x8f0/0x8f0 [ 76.838836] ? lock_release+0xa30/0xa30 [ 76.842799] ? __anon_vma_prepare+0xc4/0x720 [ 76.847203] ? handle_mm_fault+0x53e/0xc80 [ 76.851435] ? fs_reclaim_acquire+0x20/0x20 [ 76.855751] ? lock_downgrade+0x8f0/0x8f0 [ 76.859887] ? percpu_ref_put_many+0x119/0x240 [ 76.864456] ? get_mem_cgroup_from_mm+0x209/0x440 [ 76.869283] ? get_mem_cgroup_from_page+0x190/0x190 [ 76.874287] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 76.879120] ? lock_acquire+0x1e4/0x540 [ 76.883082] mem_cgroup_try_charge+0x4ff/0xa70 [ 76.887651] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 76.892656] ? mem_cgroup_protected+0xa60/0xa60 [ 76.897317] ? up_write+0x7b/0x220 [ 76.900855] ? up_read+0x110/0x110 [ 76.904394] ? __anon_vma_prepare+0x36d/0x720 [ 76.908880] ? pmd_val+0x88/0x100 [ 76.912322] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 76.917878] mem_cgroup_try_charge_delay+0x1d/0x90 [ 76.922794] __handle_mm_fault+0x25be/0x4470 [ 76.927190] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 76.932024] ? cap_mmap_addr+0x52/0x130 [ 76.935988] ? userfaultfd_unmap_complete+0x32a/0x510 [ 76.941162] ? security_mmap_addr+0x80/0xa0 [ 76.945474] ? lock_acquire+0x1e4/0x540 [ 76.949430] ? handle_mm_fault+0x417/0xc80 [ 76.953650] ? lock_downgrade+0x8f0/0x8f0 [ 76.957784] ? lock_release+0xa30/0xa30 [ 76.961744] ? lock_release+0xa30/0xa30 [ 76.965706] ? down_read_killable+0x200/0x200 [ 76.970200] ? mem_cgroup_from_task+0xcb/0x1f0 [ 76.974766] ? get_mctgt_type+0xde0/0xde0 [ 76.978904] handle_mm_fault+0x53e/0xc80 [ 76.982963] ? __handle_mm_fault+0x4470/0x4470 [ 76.987533] ? find_vma+0x34/0x190 [ 76.991062] __do_page_fault+0x620/0xe50 [ 76.995110] ? mm_fault_error+0x380/0x380 [ 76.999253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.004787] ? __x64_sys_clock_gettime+0x170/0x250 [ 77.009707] ? __ia32_sys_clock_settime+0x290/0x290 [ 77.014721] do_page_fault+0xf6/0x8c0 [ 77.018514] ? vmalloc_sync_all+0x30/0x30 [ 77.022653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.028177] ? do_syscall_64+0x497/0x820 [ 77.032238] ? syscall_slow_exit_work+0x500/0x500 [ 77.037074] ? syscall_return_slowpath+0x5e0/0x5e0 [ 77.041999] ? syscall_return_slowpath+0x31d/0x5e0 [ 77.046914] ? prepare_exit_to_usermode+0x291/0x3b0 [ 77.051927] ? page_fault+0x8/0x30 [ 77.055463] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.060303] ? page_fault+0x8/0x30 [ 77.063830] page_fault+0x1e/0x30 [ 77.067273] RIP: 0033:0x40e33f [ 77.070456] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 77.089357] RSP: 002b:00007ffcc7fddb40 EFLAGS: 00010206 [ 77.094709] RAX: 00007f834cce8000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 77.101963] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 77.109217] RBP: 00007ffcc7fddc20 R08: ffffffffffffffff R09: 0000000000000000 [ 77.116483] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcc7fddd10 [ 77.123737] R13: 00007f834cd08700 R14: 0000000000000005 R15: 0000000000000001 [ 77.131070] Task in /ile0 killed as a result of limit of /ile0 [ 77.137175] memory: usage 208kB, limit 0kB, failcnt 9770 [ 77.142677] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 77.149449] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 77.155602] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 77.175051] Tasks state (memory values in pages): [ 77.179909] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 77.188807] [ 6743] 0 6743 9426 0 61440 0 0 syz-executor5 [ 77.197871] [ 6775] 0 6775 9426 535 65536 0 0 syz-executor6 [ 77.206925] [ 6776] 0 6776 9426 536 61440 0 0 syz-executor4 [ 77.215974] [ 6790] 0 6790 9393 535 65536 0 0 syz-executor1 [ 77.225010] [ 6792] 0 6792 9426 535 61440 0 0 syz-executor0 [ 77.234042] [ 6793] 0 6793 9426 534 65536 0 0 syz-executor7 [ 77.243068] [ 6795] 0 6795 9426 536 61440 0 0 syz-executor2 [ 77.252104] Memory cgroup out of memory: Kill process 6776 (syz-executor4) score 551000 or sacrifice child [ 77.261958] Killed process 6776 (syz-executor4) total-vm:37704kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 77.273114] oom_reaper: reaped process 6776 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 77.283171] syz-executor7 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 77.294141] syz-executor7 cpuset=/ mems_allowed=0 2018/08/05 10:44:57 executed programs: 71 [ 77.299039] CPU: 1 PID: 6793 Comm: syz-executor7 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 77.307364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.316720] Call Trace: [ 77.319323] dump_stack+0x1c9/0x2b4 [ 77.322968] ? dump_stack_print_info.cold.2+0x52/0x52 [ 77.328178] ? trace_hardirqs_on+0x10/0x10 [ 77.332432] dump_header+0x27b/0xf70 [ 77.336158] ? pagefault_out_of_memory+0x197/0x197 [ 77.341078] ? do_raw_spin_unlock+0xa7/0x2f0 [ 77.345499] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 77.350066] ? compat_start_thread+0x80/0x80 [ 77.354463] ? trace_hardirqs_on+0x10/0x10 [ 77.358683] ? trace_hardirqs_on+0xd/0x10 [ 77.362815] ? _raw_spin_unlock_irq+0x27/0x70 [ 77.367306] ? finish_task_switch+0x1d3/0x870 [ 77.371786] ? finish_task_switch+0x18a/0x870 [ 77.376269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.381807] ? css_next_child+0x1c3/0x620 [ 77.385938] ? find_lock_task_mm+0x230/0x4d0 [ 77.390342] ? cgroup_get_tree+0xb20/0xb20 [ 77.394568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.400092] ? task_will_free_mem+0x239/0xb70 [ 77.404584] ? lock_downgrade+0x8f0/0x8f0 [ 77.408723] ? ___ratelimit+0x36f/0x655 [ 77.412681] ? lock_downgrade+0x8f0/0x8f0 [ 77.416836] ? kasan_check_read+0x11/0x20 [ 77.420996] ? do_raw_spin_unlock+0xa7/0x2f0 [ 77.425411] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 77.429991] ? do_raw_spin_lock+0x200/0x200 [ 77.434300] ? oom_kill_process+0x258/0x290 [ 77.438608] ? lock_downgrade+0x8f0/0x8f0 [ 77.442742] ? trace_hardirqs_on+0xd/0x10 [ 77.446886] ? ___ratelimit+0xaa/0x655 [ 77.450766] ? idr_get_free+0x10d0/0x10d0 [ 77.454902] ? kasan_check_write+0x14/0x20 [ 77.459126] ? do_raw_spin_lock+0xc1/0x200 [ 77.463367] oom_kill_process.cold.28+0x10/0x95a [ 77.468113] ? kasan_check_write+0x14/0x20 [ 77.472346] ? do_raw_spin_lock+0xc1/0x200 [ 77.476597] ? trace_hardirqs_on+0xd/0x10 [ 77.480735] ? oom_evaluate_task+0x540/0x540 [ 77.485131] ? cgroup_procs_next+0x70/0x70 [ 77.489374] ? trace_hardirqs_on+0xd/0x10 [ 77.493532] ? _raw_spin_unlock_irq+0x27/0x70 [ 77.498015] ? oom_badness+0xb00/0xb00 [ 77.501905] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 77.506846] ? mem_cgroup_iter_break+0x30/0x30 [ 77.511418] ? shrink_node+0x16a0/0x16a0 [ 77.515470] ? lock_acquire+0x1e4/0x540 [ 77.519430] ? cgroup_file_notify+0x226/0x2f0 [ 77.523930] out_of_memory+0xa8a/0x14d0 [ 77.527893] ? kasan_check_read+0x11/0x20 [ 77.532027] ? oom_killer_disable+0x3a0/0x3a0 [ 77.536511] ? kasan_check_write+0x14/0x20 [ 77.540732] ? do_raw_spin_lock+0xc1/0x200 [ 77.544970] mem_cgroup_out_of_memory+0x15e/0x210 [ 77.549809] ? memcg_memory_event+0x40/0x40 [ 77.554119] ? page_counter_try_charge+0x1c7/0x220 [ 77.559057] try_charge+0x720/0x1680 [ 77.562766] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 77.569507] ? lock_downgrade+0x8f0/0x8f0 [ 77.573650] ? lock_release+0xa30/0xa30 [ 77.577621] ? __anon_vma_prepare+0xc4/0x720 [ 77.582029] ? handle_mm_fault+0x53e/0xc80 [ 77.586253] ? fs_reclaim_acquire+0x20/0x20 [ 77.590570] ? lock_downgrade+0x8f0/0x8f0 [ 77.594720] ? percpu_ref_put_many+0x119/0x240 [ 77.599292] ? get_mem_cgroup_from_mm+0x209/0x440 [ 77.604126] ? get_mem_cgroup_from_page+0x190/0x190 [ 77.609140] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 77.613984] ? lock_acquire+0x1e4/0x540 [ 77.617960] mem_cgroup_try_charge+0x4ff/0xa70 [ 77.622533] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 77.627541] ? mem_cgroup_protected+0xa60/0xa60 [ 77.632202] ? up_write+0x7b/0x220 [ 77.635733] ? up_read+0x110/0x110 [ 77.639301] ? __anon_vma_prepare+0x36d/0x720 [ 77.643795] ? pmd_val+0x88/0x100 [ 77.647237] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 77.652782] mem_cgroup_try_charge_delay+0x1d/0x90 [ 77.657697] __handle_mm_fault+0x25be/0x4470 [ 77.662090] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 77.666923] ? cap_mmap_addr+0x52/0x130 [ 77.670885] ? userfaultfd_unmap_complete+0x32a/0x510 [ 77.676055] ? security_mmap_addr+0x80/0xa0 [ 77.680368] ? lock_acquire+0x1e4/0x540 [ 77.684349] ? handle_mm_fault+0x417/0xc80 [ 77.688576] ? lock_downgrade+0x8f0/0x8f0 [ 77.692826] ? lock_release+0xa30/0xa30 [ 77.696792] ? lock_release+0xa30/0xa30 [ 77.700777] ? down_read_killable+0x200/0x200 [ 77.705304] ? mem_cgroup_from_task+0xcb/0x1f0 [ 77.709900] ? get_mctgt_type+0xde0/0xde0 [ 77.714047] handle_mm_fault+0x53e/0xc80 [ 77.718107] ? __handle_mm_fault+0x4470/0x4470 [ 77.723116] ? find_vma+0x34/0x190 [ 77.726649] __do_page_fault+0x620/0xe50 [ 77.730705] ? mm_fault_error+0x380/0x380 [ 77.734866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.740434] ? __x64_sys_clock_gettime+0x170/0x250 [ 77.745373] ? __ia32_sys_clock_settime+0x290/0x290 [ 77.750388] do_page_fault+0xf6/0x8c0 [ 77.754173] ? vmalloc_sync_all+0x30/0x30 [ 77.758308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.763852] ? do_syscall_64+0x497/0x820 [ 77.767908] ? syscall_slow_exit_work+0x500/0x500 [ 77.772740] ? syscall_return_slowpath+0x5e0/0x5e0 [ 77.777661] ? syscall_return_slowpath+0x31d/0x5e0 [ 77.782579] ? prepare_exit_to_usermode+0x291/0x3b0 [ 77.787585] ? page_fault+0x8/0x30 [ 77.791152] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.796094] ? page_fault+0x8/0x30 [ 77.799626] page_fault+0x1e/0x30 [ 77.803077] RIP: 0033:0x40e33f [ 77.806262] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 77.825157] RSP: 002b:00007ffe6bfe9770 EFLAGS: 00010206 [ 77.830525] RAX: 00007f420ee76000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 77.837788] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 77.845055] RBP: 00007ffe6bfe9850 R08: ffffffffffffffff R09: 0000000000000000 [ 77.852312] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe6bfe9940 [ 77.859578] R13: 00007f420ee96700 R14: 0000000000000005 R15: 0000000000000001 [ 77.866971] Task in /ile0 killed as a result of limit of /ile0 [ 77.873034] memory: usage 216kB, limit 0kB, failcnt 9973 [ 77.878528] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 77.885360] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 77.891521] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 77.911004] Tasks state (memory values in pages): [ 77.915874] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 77.924799] [ 6775] 0 6775 9426 535 65536 0 0 syz-executor6 [ 77.933871] [ 6790] 0 6790 9393 535 65536 0 0 syz-executor1 [ 77.943010] [ 6792] 0 6792 9426 535 61440 0 0 syz-executor0 [ 77.952078] [ 6793] 0 6793 9426 534 65536 0 0 syz-executor7 [ 77.961131] [ 6795] 0 6795 9426 536 61440 0 0 syz-executor2 [ 77.970192] Memory cgroup out of memory: Kill process 6775 (syz-executor6) score 551000 or sacrifice child [ 77.980055] Killed process 6775 (syz-executor6) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 77.991423] oom_reaper: reaped process 6775 (syz-executor6), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 78.015868] syz-executor2 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 78.027783] syz-executor2 cpuset=/ mems_allowed=0 [ 78.032668] CPU: 0 PID: 6799 Comm: syz-executor2 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 78.040967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.050305] Call Trace: [ 78.052896] dump_stack+0x1c9/0x2b4 [ 78.056523] ? dump_stack_print_info.cold.2+0x52/0x52 [ 78.061712] dump_header+0x27b/0xf70 [ 78.065419] ? finish_task_switch+0x1d3/0x870 [ 78.069911] ? trace_hardirqs_on+0x10/0x10 [ 78.074137] ? pagefault_out_of_memory+0x197/0x197 [ 78.079073] ? do_raw_spin_unlock+0xa7/0x2f0 [ 78.083472] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 78.088047] ? compat_start_thread+0x80/0x80 [ 78.092445] ? trace_hardirqs_on+0x10/0x10 [ 78.096667] ? kasan_check_write+0x14/0x20 [ 78.100978] ? trace_hardirqs_on+0x10/0x10 [ 78.105211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.110744] ? css_next_child+0x1c3/0x620 [ 78.114885] ? find_lock_task_mm+0x230/0x4d0 [ 78.119293] ? cgroup_get_tree+0xb20/0xb20 [ 78.123517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.129048] ? task_will_free_mem+0x239/0xb70 [ 78.133538] ? lock_downgrade+0x8f0/0x8f0 [ 78.137689] ? ___ratelimit+0x36f/0x655 [ 78.141662] ? lock_downgrade+0x8f0/0x8f0 [ 78.145813] ? kasan_check_read+0x11/0x20 [ 78.149944] ? do_raw_spin_unlock+0xa7/0x2f0 [ 78.154349] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 78.158916] ? do_raw_spin_lock+0x200/0x200 [ 78.163229] ? oom_kill_process+0x258/0x290 [ 78.167541] ? lock_downgrade+0x8f0/0x8f0 [ 78.171680] ? oom_unkillable_task+0x424/0x590 [ 78.176265] ? trace_hardirqs_on+0xd/0x10 [ 78.180408] ? ___ratelimit+0xaa/0x655 [ 78.184289] ? idr_get_free+0x10d0/0x10d0 [ 78.188432] ? kasan_check_write+0x14/0x20 [ 78.192667] ? do_raw_spin_lock+0xc1/0x200 [ 78.196893] oom_kill_process.cold.28+0x10/0x95a [ 78.201847] ? kasan_check_write+0x14/0x20 [ 78.206075] ? do_raw_spin_lock+0xc1/0x200 [ 78.210301] ? trace_hardirqs_on+0xd/0x10 [ 78.214435] ? oom_evaluate_task+0x540/0x540 [ 78.218835] ? cgroup_procs_next+0x70/0x70 [ 78.223062] ? trace_hardirqs_on+0xd/0x10 [ 78.227396] ? _raw_spin_unlock_irq+0x27/0x70 [ 78.231886] ? oom_badness+0xb00/0xb00 [ 78.235772] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 78.240520] ? mem_cgroup_iter_break+0x30/0x30 [ 78.245095] ? shrink_node+0x16a0/0x16a0 [ 78.249152] ? lock_acquire+0x1e4/0x540 [ 78.253120] ? cgroup_file_notify+0x226/0x2f0 [ 78.257609] out_of_memory+0xa8a/0x14d0 [ 78.261582] ? kasan_check_read+0x11/0x20 [ 78.265720] ? oom_killer_disable+0x3a0/0x3a0 [ 78.270205] ? kasan_check_write+0x14/0x20 [ 78.274431] ? do_raw_spin_lock+0xc1/0x200 [ 78.278656] ? trace_hardirqs_on+0xd/0x10 [ 78.282797] mem_cgroup_out_of_memory+0x15e/0x210 [ 78.287639] ? memcg_memory_event+0x40/0x40 [ 78.291962] ? page_counter_try_charge+0x1c7/0x220 [ 78.296900] try_charge+0x720/0x1680 [ 78.300613] ? lock_acquire+0x1e4/0x540 [ 78.304589] ? fs_reclaim_acquire+0x20/0x20 [ 78.308912] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 78.315657] ? rcu_note_context_switch+0x730/0x730 [ 78.320583] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 78.325413] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 78.330432] memcg_kmem_charge_memcg+0x7c/0x120 [ 78.335093] ? memcg_kmem_put_cache+0xb0/0xb0 [ 78.339582] ? __free_pages+0x10a/0x190 [ 78.343553] cache_grow_begin+0x207/0x710 [ 78.347693] ? do_raw_spin_unlock+0xa7/0x2f0 [ 78.352108] fallback_alloc+0x203/0x2c0 [ 78.356089] ____cache_alloc_node+0x1c7/0x1e0 [ 78.360584] kmem_cache_alloc+0x1e5/0x760 [ 78.364722] ? kasan_check_write+0x14/0x20 [ 78.368953] __alloc_file+0xac/0x400 [ 78.372660] ? file_free_rcu+0x90/0x90 [ 78.376544] ? select_collect+0x610/0x610 [ 78.380682] ? d_instantiate+0x79/0xa0 [ 78.384563] ? lock_downgrade+0x8f0/0x8f0 [ 78.388722] ? kasan_check_read+0x11/0x20 [ 78.392869] ? do_raw_spin_unlock+0xa7/0x2f0 [ 78.397267] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 78.401846] alloc_empty_file+0x72/0x170 [ 78.405907] alloc_file+0x5c/0x430 [ 78.409439] alloc_file_pseudo+0x261/0x3f0 [ 78.414477] ? alloc_file+0x430/0x430 [ 78.418292] ? check_same_owner+0x340/0x340 [ 78.422610] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 78.427617] ? __check_object_size+0xa3/0x5d7 [ 78.432101] ? kasan_check_write+0x14/0x20 [ 78.436333] __shmem_file_setup.part.48+0x110/0x2a0 [ 78.441343] shmem_file_setup+0x65/0x90 [ 78.445316] __x64_sys_memfd_create+0x2af/0x4f0 [ 78.449975] ? memfd_fcntl+0x1e80/0x1e80 [ 78.454034] do_syscall_64+0x1b9/0x820 [ 78.457912] ? finish_task_switch+0x1d3/0x870 [ 78.462442] ? syscall_return_slowpath+0x5e0/0x5e0 [ 78.467365] ? syscall_return_slowpath+0x31d/0x5e0 [ 78.472287] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 78.477299] ? __switch_to_asm+0x34/0x70 [ 78.481358] ? __switch_to_asm+0x34/0x70 [ 78.485411] ? __switch_to_asm+0x40/0x70 [ 78.489484] ? __switch_to_asm+0x34/0x70 [ 78.493534] ? __switch_to_asm+0x40/0x70 [ 78.497585] ? __switch_to_asm+0x34/0x70 [ 78.501645] ? __switch_to_asm+0x40/0x70 [ 78.505700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.510539] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.515732] RIP: 0033:0x456b29 [ 78.518920] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.537821] RSP: 002b:00007fb8ae7a8a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 78.545519] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 78.552782] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 78.560044] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 78.567653] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 78.574914] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 78.582360] Task in /ile0 killed as a result of limit of /ile0 [ 78.589352] memory: usage 216kB, limit 0kB, failcnt 10746 [ 78.594918] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 78.601718] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 78.607882] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 78.627413] Tasks state (memory values in pages): [ 78.632289] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 78.641189] [ 6785] 0 6775 9426 1 61440 0 0 syz-executor6 [ 78.650224] [ 6790] 0 6790 9393 535 65536 0 0 syz-executor1 [ 78.659295] [ 6792] 0 6792 9426 535 61440 0 0 syz-executor0 [ 78.668382] [ 6793] 0 6793 9426 534 65536 0 0 syz-executor7 [ 78.677471] [ 6795] 0 6795 9426 536 61440 0 0 syz-executor2 [ 78.686540] [ 6808] 0 6808 9393 536 61440 0 0 syz-executor4 [ 78.695596] Memory cgroup out of memory: Kill process 6795 (syz-executor2) score 551000 or sacrifice child [ 78.705445] Killed process 6795 (syz-executor2) total-vm:37704kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 78.716741] oom_reaper: reaped process 6795 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 78.726790] syz-executor2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 78.737719] syz-executor2 cpuset=/ mems_allowed=0 [ 78.742625] CPU: 0 PID: 6795 Comm: syz-executor2 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 78.750955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.760300] Call Trace: [ 78.762906] dump_stack+0x1c9/0x2b4 [ 78.766537] ? dump_stack_print_info.cold.2+0x52/0x52 [ 78.771741] ? trace_hardirqs_on+0x10/0x10 [ 78.775973] dump_header+0x27b/0xf70 [ 78.779694] ? trace_hardirqs_on+0x10/0x10 [ 78.783928] ? __switch_to_asm+0x40/0x70 [ 78.787996] ? pagefault_out_of_memory+0x197/0x197 [ 78.792936] ? __switch_to_asm+0x40/0x70 [ 78.796991] ? __switch_to_asm+0x34/0x70 [ 78.801047] ? __switch_to_asm+0x40/0x70 [ 78.805270] ? __switch_to_asm+0x34/0x70 [ 78.809330] ? __switch_to_asm+0x40/0x70 [ 78.813387] ? __switch_to_asm+0x34/0x70 [ 78.817442] ? __switch_to_asm+0x40/0x70 [ 78.821511] ? trace_hardirqs_on+0x10/0x10 [ 78.825739] ? __schedule+0x884/0x1ec0 [ 78.829617] ? finish_task_switch+0x1d3/0x870 [ 78.834114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.839651] ? css_next_child+0x1c3/0x620 [ 78.843792] ? find_lock_task_mm+0x230/0x4d0 [ 78.848191] ? cgroup_get_tree+0xb20/0xb20 [ 78.852437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.857962] ? task_will_free_mem+0x239/0xb70 [ 78.862448] ? lock_downgrade+0x8f0/0x8f0 [ 78.866582] ? ___ratelimit+0x36f/0x655 [ 78.870554] ? lock_downgrade+0x8f0/0x8f0 [ 78.874692] ? kasan_check_read+0x11/0x20 [ 78.878834] ? do_raw_spin_unlock+0xa7/0x2f0 [ 78.883237] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 78.887808] ? do_raw_spin_lock+0x200/0x200 [ 78.892117] ? oom_kill_process+0x258/0x290 [ 78.896439] ? lock_downgrade+0x8f0/0x8f0 [ 78.900584] ? trace_hardirqs_on+0xd/0x10 [ 78.904734] ? ___ratelimit+0xaa/0x655 [ 78.908621] ? idr_get_free+0x10d0/0x10d0 [ 78.912760] ? kasan_check_write+0x14/0x20 [ 78.916989] ? do_raw_spin_lock+0xc1/0x200 [ 78.921213] oom_kill_process.cold.28+0x10/0x95a [ 78.925958] ? kasan_check_write+0x14/0x20 [ 78.930186] ? do_raw_spin_lock+0xc1/0x200 [ 78.934409] ? trace_hardirqs_on+0xd/0x10 [ 78.938548] ? oom_evaluate_task+0x540/0x540 [ 78.942944] ? cgroup_procs_next+0x70/0x70 [ 78.947165] ? trace_hardirqs_on+0xd/0x10 [ 78.951301] ? _raw_spin_unlock_irq+0x27/0x70 [ 78.955796] ? oom_badness+0xb00/0xb00 [ 78.959666] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 78.964404] ? mem_cgroup_iter_break+0x30/0x30 [ 78.968979] ? shrink_node+0x16a0/0x16a0 [ 78.973115] ? lock_acquire+0x1e4/0x540 [ 78.977097] ? cgroup_file_notify+0x226/0x2f0 [ 78.981581] out_of_memory+0xa8a/0x14d0 [ 78.985549] ? kasan_check_read+0x11/0x20 [ 78.989680] ? oom_killer_disable+0x3a0/0x3a0 [ 78.994159] ? kasan_check_write+0x14/0x20 [ 78.998384] ? do_raw_spin_lock+0xc1/0x200 [ 79.002614] mem_cgroup_out_of_memory+0x15e/0x210 [ 79.007443] ? memcg_memory_event+0x40/0x40 [ 79.011751] ? page_counter_try_charge+0x1c7/0x220 [ 79.016669] try_charge+0x720/0x1680 [ 79.020382] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 79.027126] ? lock_downgrade+0x8f0/0x8f0 [ 79.031259] ? lock_release+0xa30/0xa30 [ 79.035219] ? __anon_vma_prepare+0xc4/0x720 [ 79.039614] ? handle_mm_fault+0x53e/0xc80 [ 79.043835] ? fs_reclaim_acquire+0x20/0x20 [ 79.048149] ? lock_downgrade+0x8f0/0x8f0 [ 79.052283] ? percpu_ref_put_many+0x119/0x240 [ 79.056849] ? get_mem_cgroup_from_mm+0x209/0x440 [ 79.061676] ? get_mem_cgroup_from_page+0x190/0x190 [ 79.066682] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 79.071509] ? lock_acquire+0x1e4/0x540 [ 79.075472] mem_cgroup_try_charge+0x4ff/0xa70 [ 79.080044] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 79.085055] ? mem_cgroup_protected+0xa60/0xa60 [ 79.089713] ? up_write+0x7b/0x220 [ 79.093240] ? up_read+0x110/0x110 [ 79.096796] ? __anon_vma_prepare+0x36d/0x720 [ 79.101285] ? pmd_val+0x88/0x100 [ 79.104934] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 79.110467] mem_cgroup_try_charge_delay+0x1d/0x90 [ 79.115484] __handle_mm_fault+0x25be/0x4470 [ 79.119883] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 79.124718] ? cap_mmap_addr+0x52/0x130 [ 79.128678] ? userfaultfd_unmap_complete+0x32a/0x510 [ 79.133862] ? security_mmap_addr+0x80/0xa0 [ 79.138178] ? lock_acquire+0x1e4/0x540 [ 79.142139] ? handle_mm_fault+0x417/0xc80 [ 79.146366] ? lock_downgrade+0x8f0/0x8f0 [ 79.150502] ? lock_release+0xa30/0xa30 [ 79.154467] ? lock_release+0xa30/0xa30 [ 79.158429] ? down_read_killable+0x200/0x200 [ 79.162920] ? mem_cgroup_from_task+0xcb/0x1f0 [ 79.167497] ? get_mctgt_type+0xde0/0xde0 [ 79.171641] handle_mm_fault+0x53e/0xc80 [ 79.175694] ? __handle_mm_fault+0x4470/0x4470 [ 79.180268] ? find_vma+0x34/0x190 [ 79.183797] __do_page_fault+0x620/0xe50 [ 79.187874] ? mm_fault_error+0x380/0x380 [ 79.192241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.197792] ? __x64_sys_clock_gettime+0x170/0x250 [ 79.202713] ? __ia32_sys_clock_settime+0x290/0x290 [ 79.207725] do_page_fault+0xf6/0x8c0 [ 79.211523] ? vmalloc_sync_all+0x30/0x30 [ 79.215667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.221198] ? do_syscall_64+0x497/0x820 [ 79.225249] ? syscall_return_slowpath+0x5e0/0x5e0 [ 79.230172] ? syscall_return_slowpath+0x31d/0x5e0 [ 79.235087] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 79.240090] ? prepare_exit_to_usermode+0x291/0x3b0 [ 79.245103] ? page_fault+0x8/0x30 [ 79.248641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 79.253488] ? page_fault+0x8/0x30 [ 79.257022] page_fault+0x1e/0x30 [ 79.260474] RIP: 0033:0x40e33f [ 79.263661] Code: Bad RIP value. [ 79.267013] RSP: 002b:00007fffa8170910 EFLAGS: 00010206 [ 79.272373] RAX: 00007fb8ae768000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 79.280507] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 79.287772] RBP: 00007fffa81709f0 R08: ffffffffffffffff R09: 0000000000000000 [ 79.295042] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffa8170ae0 [ 79.302313] R13: 00007fb8ae788700 R14: 0000000000000005 R15: 0000000000000001 [ 79.309667] Task in /ile0 killed as a result of limit of /ile0 [ 79.315735] memory: usage 220kB, limit 0kB, failcnt 10939 [ 79.321633] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 79.328473] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 79.334633] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 79.354079] Tasks state (memory values in pages): [ 79.358948] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 79.367868] [ 6785] 0 6775 9426 1 61440 0 0 syz-executor6 [ 79.377122] [ 6790] 0 6790 9393 535 65536 0 0 syz-executor1 [ 79.386169] [ 6792] 0 6792 9426 535 61440 0 0 syz-executor0 [ 79.395223] [ 6793] 0 6793 9426 534 65536 0 0 syz-executor7 [ 79.404302] [ 6795] 0 6795 9426 0 57344 0 0 syz-executor2 [ 79.413392] [ 6808] 0 6808 9393 536 61440 0 0 syz-executor4 [ 79.422439] Memory cgroup out of memory: Kill process 6790 (syz-executor1) score 551000 or sacrifice child [ 79.432284] Killed process 6790 (syz-executor1) total-vm:37572kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 79.551407] oom_reaper: reaped process 6790 (syz-executor1), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 79.560932] syz-executor4 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 79.573132] syz-executor4 cpuset=/ mems_allowed=0 [ 79.578047] CPU: 1 PID: 6808 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 79.586366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.595834] Call Trace: [ 79.598465] dump_stack+0x1c9/0x2b4 [ 79.602114] ? dump_stack_print_info.cold.2+0x52/0x52 [ 79.607325] ? trace_hardirqs_on+0x10/0x10 [ 79.611580] dump_header+0x27b/0xf70 [ 79.615326] ? pagefault_out_of_memory+0x197/0x197 [ 79.620276] ? do_raw_spin_unlock+0xa7/0x2f0 [ 79.624700] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 79.629291] ? compat_start_thread+0x80/0x80 [ 79.633704] ? trace_hardirqs_on+0x10/0x10 [ 79.637933] ? kasan_check_write+0x14/0x20 [ 79.642163] ? finish_task_switch+0x2ca/0x870 [ 79.646663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.652205] ? css_next_child+0x1c3/0x620 [ 79.656352] ? find_lock_task_mm+0x230/0x4d0 [ 79.660766] ? cgroup_get_tree+0xb20/0xb20 [ 79.664992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.670521] ? task_will_free_mem+0x239/0xb70 [ 79.675008] ? lock_downgrade+0x8f0/0x8f0 [ 79.679151] ? ___ratelimit+0x36f/0x655 [ 79.683118] ? lock_downgrade+0x8f0/0x8f0 [ 79.687262] ? kasan_check_read+0x11/0x20 [ 79.691405] ? do_raw_spin_unlock+0xa7/0x2f0 [ 79.695805] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 79.700380] ? do_raw_spin_lock+0x200/0x200 [ 79.704703] ? oom_kill_process+0x258/0x290 [ 79.709027] ? lock_downgrade+0x8f0/0x8f0 [ 79.713170] ? trace_hardirqs_on+0xd/0x10 [ 79.717306] ? ___ratelimit+0xaa/0x655 [ 79.721180] ? idr_get_free+0x10d0/0x10d0 [ 79.725324] ? kasan_check_write+0x14/0x20 [ 79.729556] ? do_raw_spin_lock+0xc1/0x200 [ 79.733780] oom_kill_process.cold.28+0x10/0x95a [ 79.738524] ? kasan_check_write+0x14/0x20 [ 79.742746] ? do_raw_spin_lock+0xc1/0x200 [ 79.746969] ? trace_hardirqs_on+0xd/0x10 [ 79.751103] ? oom_evaluate_task+0x540/0x540 [ 79.755495] ? cgroup_procs_next+0x70/0x70 [ 79.759714] ? trace_hardirqs_on+0xd/0x10 [ 79.763852] ? _raw_spin_unlock_irq+0x27/0x70 [ 79.768339] ? oom_badness+0xb00/0xb00 [ 79.772219] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 79.776961] ? mem_cgroup_iter_break+0x30/0x30 [ 79.781531] ? shrink_node+0x16a0/0x16a0 [ 79.785596] ? lock_acquire+0x1e4/0x540 [ 79.789562] ? cgroup_file_notify+0x226/0x2f0 [ 79.794046] out_of_memory+0xa8a/0x14d0 [ 79.798008] ? kasan_check_read+0x11/0x20 [ 79.802147] ? oom_killer_disable+0x3a0/0x3a0 [ 79.806639] ? kasan_check_write+0x14/0x20 [ 79.810865] ? do_raw_spin_lock+0xc1/0x200 [ 79.815087] mem_cgroup_out_of_memory+0x15e/0x210 [ 79.819918] ? memcg_memory_event+0x40/0x40 [ 79.824230] ? page_counter_try_charge+0x1c7/0x220 [ 79.829164] try_charge+0x720/0x1680 [ 79.832866] ? lock_acquire+0x1e4/0x540 [ 79.836839] ? fs_reclaim_acquire+0x20/0x20 [ 79.841149] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 79.847902] ? rcu_note_context_switch+0x730/0x730 [ 79.852829] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 79.857664] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 79.862674] ? kasan_check_read+0x11/0x20 [ 79.866808] memcg_kmem_charge_memcg+0x7c/0x120 [ 79.871461] ? memcg_kmem_put_cache+0xb0/0xb0 [ 79.875944] ? __free_pages+0x10a/0x190 [ 79.879920] cache_grow_begin+0x207/0x710 [ 79.884060] ? do_raw_spin_unlock+0xa7/0x2f0 [ 79.888462] fallback_alloc+0x203/0x2c0 [ 79.892439] ____cache_alloc_node+0x1c7/0x1e0 [ 79.896951] kmem_cache_alloc+0x1e5/0x760 [ 79.901118] ? __vma_adjust+0x1820/0x1820 [ 79.905268] vm_area_alloc+0x7a/0x1d0 [ 79.909071] ? arch_release_thread_stack+0x10/0x10 [ 79.913991] mmap_region+0xab4/0x1c50 [ 79.917780] ? do_futex+0x249/0x27d0 [ 79.921497] ? __x64_sys_brk+0x7a0/0x7a0 [ 79.925550] ? unmapped_area+0xae0/0xae0 [ 79.929598] ? add_mm_counter_fast+0xd0/0xd0 [ 79.933995] ? _raw_spin_unlock+0x22/0x30 [ 79.938158] ? arch_get_unmapped_area+0x770/0x770 [ 79.943016] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 79.948022] ? cap_mmap_addr+0x52/0x130 [ 79.951983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.957514] ? security_mmap_addr+0x80/0xa0 [ 79.961827] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 79.967359] ? get_unmapped_area+0x292/0x3b0 [ 79.971761] do_mmap+0xa10/0x1220 [ 79.975203] ? mmap_region+0x1c50/0x1c50 [ 79.979271] ? vm_mmap_pgoff+0x1b5/0x2c0 [ 79.983330] ? down_read_killable+0x200/0x200 [ 79.987824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.993366] ? security_mmap_file+0x166/0x1b0 [ 79.997867] vm_mmap_pgoff+0x213/0x2c0 [ 80.001742] ? vma_is_stack_for_current+0xd0/0xd0 [ 80.006586] ? kasan_check_read+0x11/0x20 [ 80.010721] ? _copy_to_user+0xc8/0x110 [ 80.014684] ksys_mmap_pgoff+0xf1/0x660 [ 80.018665] ? find_mergeable_anon_vma+0xd0/0xd0 [ 80.023424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.028953] ? __x64_sys_clock_gettime+0x170/0x250 [ 80.033883] ? __ia32_sys_clock_settime+0x290/0x290 [ 80.038901] __x64_sys_mmap+0xe9/0x1b0 [ 80.042783] do_syscall_64+0x1b9/0x820 [ 80.046668] ? syscall_slow_exit_work+0x500/0x500 [ 80.051506] ? syscall_return_slowpath+0x5e0/0x5e0 [ 80.056436] ? syscall_return_slowpath+0x31d/0x5e0 [ 80.061363] ? prepare_exit_to_usermode+0x291/0x3b0 [ 80.066383] ? perf_trace_sys_enter+0xb10/0xb10 [ 80.071056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 80.075903] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.081087] RIP: 0033:0x456b7a [ 80.084267] Code: 89 f5 41 54 49 89 fc 55 53 74 35 49 63 e8 48 63 da 4d 89 f9 49 89 e8 4d 63 d6 48 89 da 4c 89 ee 4c 89 e7 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 4e 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 00 [ 80.103695] RSP: 002b:00007ffcc7fddb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 80.111409] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000456b7a [ 80.118665] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 80.125918] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 80.133174] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 80.140624] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 80.148012] Task in /ile0 killed as a result of limit of /ile0 [ 80.154077] memory: usage 240kB, limit 0kB, failcnt 12841 [ 80.159627] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 80.166393] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 80.172548] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 80.192012] Tasks state (memory values in pages): [ 80.196865] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 80.205769] [ 6808] 0 6808 9393 536 61440 0 0 syz-executor4 [ 80.214815] [ 6814] 0 6814 9426 535 65536 0 0 syz-executor5 [ 80.223865] Memory cgroup out of memory: Kill process 6808 (syz-executor4) score 551000 or sacrifice child [ 80.233703] Killed process 6808 (syz-executor4) total-vm:37572kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 80.244907] oom_reaper: reaped process 6808 (syz-executor4), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 80.255146] syz-executor5 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 80.266054] syz-executor5 cpuset=/ mems_allowed=0 [ 80.270923] CPU: 1 PID: 6814 Comm: syz-executor5 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 80.279257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.288598] Call Trace: [ 80.291177] dump_stack+0x1c9/0x2b4 [ 80.295837] ? dump_stack_print_info.cold.2+0x52/0x52 [ 80.301015] ? trace_hardirqs_on+0x10/0x10 [ 80.305238] dump_header+0x27b/0xf70 [ 80.308938] ? pagefault_out_of_memory+0x197/0x197 [ 80.313848] ? do_raw_spin_unlock+0xa7/0x2f0 [ 80.318257] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 80.322825] ? compat_start_thread+0x80/0x80 [ 80.327217] ? trace_hardirqs_on+0x10/0x10 [ 80.331443] ? kasan_check_write+0x14/0x20 [ 80.335662] ? finish_task_switch+0x2ca/0x870 [ 80.340144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.345672] ? css_next_child+0x1c3/0x620 [ 80.349814] ? find_lock_task_mm+0x230/0x4d0 [ 80.354207] ? cgroup_get_tree+0xb20/0xb20 [ 80.358431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.363965] ? task_will_free_mem+0x239/0xb70 [ 80.368446] ? lock_downgrade+0x8f0/0x8f0 [ 80.372587] ? ___ratelimit+0x36f/0x655 [ 80.376562] ? lock_downgrade+0x8f0/0x8f0 [ 80.380697] ? kasan_check_read+0x11/0x20 [ 80.384829] ? do_raw_spin_unlock+0xa7/0x2f0 [ 80.389229] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 80.393797] ? do_raw_spin_lock+0x200/0x200 [ 80.398102] ? oom_kill_process+0x258/0x290 [ 80.402408] ? lock_downgrade+0x8f0/0x8f0 [ 80.406543] ? trace_hardirqs_on+0xd/0x10 [ 80.410675] ? ___ratelimit+0xaa/0x655 [ 80.414549] ? idr_get_free+0x10d0/0x10d0 [ 80.419166] ? kasan_check_write+0x14/0x20 [ 80.423386] ? do_raw_spin_lock+0xc1/0x200 [ 80.427610] oom_kill_process.cold.28+0x10/0x95a [ 80.432361] ? kasan_check_write+0x14/0x20 [ 80.436580] ? do_raw_spin_lock+0xc1/0x200 [ 80.440799] ? trace_hardirqs_on+0xd/0x10 [ 80.444929] ? oom_evaluate_task+0x540/0x540 [ 80.449336] ? cgroup_procs_next+0x70/0x70 [ 80.453560] ? trace_hardirqs_on+0xd/0x10 [ 80.457694] ? _raw_spin_unlock_irq+0x27/0x70 [ 80.462183] ? oom_badness+0xb00/0xb00 [ 80.466069] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 80.470811] ? mem_cgroup_iter_break+0x30/0x30 [ 80.475381] ? shrink_node+0x16a0/0x16a0 [ 80.479443] ? lock_acquire+0x1e4/0x540 [ 80.483428] ? cgroup_file_notify+0x226/0x2f0 [ 80.487908] out_of_memory+0xa8a/0x14d0 [ 80.491868] ? kasan_check_read+0x11/0x20 [ 80.495999] ? oom_killer_disable+0x3a0/0x3a0 [ 80.500498] ? kasan_check_write+0x14/0x20 [ 80.504719] ? do_raw_spin_lock+0xc1/0x200 [ 80.508965] mem_cgroup_out_of_memory+0x15e/0x210 [ 80.513793] ? memcg_memory_event+0x40/0x40 [ 80.518100] ? page_counter_try_charge+0x1c7/0x220 [ 80.523011] try_charge+0x720/0x1680 [ 80.526716] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 80.533458] ? lock_downgrade+0x8f0/0x8f0 [ 80.537604] ? lock_release+0xa30/0xa30 [ 80.541582] ? __anon_vma_prepare+0xc4/0x720 [ 80.545987] ? handle_mm_fault+0x53e/0xc80 [ 80.550222] ? fs_reclaim_acquire+0x20/0x20 [ 80.554543] ? lock_downgrade+0x8f0/0x8f0 [ 80.558685] ? percpu_ref_put_many+0x119/0x240 [ 80.563275] ? get_mem_cgroup_from_mm+0x209/0x440 [ 80.568102] ? get_mem_cgroup_from_page+0x190/0x190 [ 80.573105] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 80.577934] ? lock_acquire+0x1e4/0x540 [ 80.581908] mem_cgroup_try_charge+0x4ff/0xa70 [ 80.586494] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 80.591598] ? mem_cgroup_protected+0xa60/0xa60 [ 80.596271] ? up_write+0x7b/0x220 [ 80.599799] ? up_read+0x110/0x110 [ 80.603349] ? __anon_vma_prepare+0x36d/0x720 [ 80.607839] ? pmd_val+0x88/0x100 [ 80.611987] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 80.617515] mem_cgroup_try_charge_delay+0x1d/0x90 [ 80.622435] __handle_mm_fault+0x25be/0x4470 [ 80.626847] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 80.631674] ? cap_mmap_addr+0x52/0x130 [ 80.635636] ? userfaultfd_unmap_complete+0x32a/0x510 [ 80.640808] ? security_mmap_addr+0x80/0xa0 [ 80.645118] ? lock_acquire+0x1e4/0x540 [ 80.649087] ? handle_mm_fault+0x417/0xc80 [ 80.653307] ? lock_downgrade+0x8f0/0x8f0 [ 80.657452] ? lock_release+0xa30/0xa30 [ 80.661585] ? lock_release+0xa30/0xa30 [ 80.665562] ? down_read_killable+0x200/0x200 [ 80.670075] ? mem_cgroup_from_task+0xcb/0x1f0 [ 80.674651] ? get_mctgt_type+0xde0/0xde0 [ 80.678789] handle_mm_fault+0x53e/0xc80 [ 80.682836] ? __handle_mm_fault+0x4470/0x4470 [ 80.687400] ? find_vma+0x34/0x190 [ 80.690928] __do_page_fault+0x620/0xe50 [ 80.694976] ? mm_fault_error+0x380/0x380 [ 80.699110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.704647] ? __x64_sys_clock_gettime+0x170/0x250 [ 80.709561] ? __ia32_sys_clock_settime+0x290/0x290 [ 80.714740] do_page_fault+0xf6/0x8c0 [ 80.718531] ? vmalloc_sync_all+0x30/0x30 [ 80.722668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.728203] ? do_syscall_64+0x497/0x820 [ 80.732263] ? syscall_return_slowpath+0x5e0/0x5e0 [ 80.737180] ? syscall_return_slowpath+0x31d/0x5e0 [ 80.742096] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 80.747123] ? prepare_exit_to_usermode+0x291/0x3b0 [ 80.752127] ? page_fault+0x8/0x30 [ 80.755654] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 80.760482] ? page_fault+0x8/0x30 [ 80.764098] page_fault+0x1e/0x30 [ 80.767535] RIP: 0033:0x40e33f [ 80.770723] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 80.789626] RSP: 002b:00007ffcfd6069b0 EFLAGS: 00010206 [ 80.794976] RAX: 00007efd08fb9000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 80.802235] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 80.809498] RBP: 00007ffcfd606a90 R08: ffffffffffffffff R09: 0000000000000000 [ 80.816760] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcfd606b80 [ 80.824029] R13: 00007efd08fd9700 R14: 0000000000000007 R15: 0000000000000001 [ 80.831449] Task in /ile0 killed as a result of limit of /ile0 [ 80.837505] memory: usage 248kB, limit 0kB, failcnt 12849 [ 80.843072] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 80.849838] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 80.855998] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 80.875434] Tasks state (memory values in pages): [ 80.880297] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 80.889172] [ 6814] 0 6814 9426 535 65536 0 0 syz-executor5 [ 80.898234] Memory cgroup out of memory: Kill process 6814 (syz-executor5) score 551000 or sacrifice child [ 80.908172] Killed process 6814 (syz-executor5) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 80.919481] oom_reaper: reaped process 6814 (syz-executor5), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 80.967553] syz-executor1 invoked oom-killer: gfp_mask=0x6040d0(GFP_KERNEL|__GFP_COMP|__GFP_RECLAIMABLE), nodemask=(null), order=0, oom_score_adj=0 [ 80.981070] syz-executor1 cpuset=/ mems_allowed=0 [ 80.985969] CPU: 1 PID: 6848 Comm: syz-executor1 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 80.994286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.003649] Call Trace: [ 81.006260] dump_stack+0x1c9/0x2b4 [ 81.009899] ? dump_stack_print_info.cold.2+0x52/0x52 [ 81.015110] ? lock_downgrade+0x8f0/0x8f0 [ 81.019290] dump_header+0x27b/0xf70 [ 81.023022] ? trace_hardirqs_on+0x10/0x10 [ 81.027256] ? pagefault_out_of_memory+0x197/0x197 [ 81.032181] ? trace_hardirqs_on+0x10/0x10 [ 81.036411] ? trace_hardirqs_on+0x10/0x10 [ 81.040641] ? rcu_read_unlock+0x16/0x70 [ 81.044688] ? lock_downgrade+0x8f0/0x8f0 [ 81.048838] ? trace_hardirqs_on+0x10/0x10 [ 81.053061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.058590] ? css_next_child+0x1c3/0x620 [ 81.062730] ? find_lock_task_mm+0x230/0x4d0 [ 81.067143] ? cgroup_get_tree+0xb20/0xb20 [ 81.071374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.076902] ? task_will_free_mem+0x239/0xb70 [ 81.081402] ? lock_downgrade+0x8f0/0x8f0 [ 81.085543] ? ___ratelimit+0x36f/0x655 [ 81.089502] ? lock_downgrade+0x8f0/0x8f0 [ 81.093637] ? kasan_check_read+0x11/0x20 [ 81.097779] ? do_raw_spin_unlock+0xa7/0x2f0 [ 81.102174] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 81.106750] ? do_raw_spin_lock+0x200/0x200 [ 81.111069] ? oom_kill_process+0x258/0x290 [ 81.115391] ? lock_downgrade+0x8f0/0x8f0 [ 81.119531] ? trace_hardirqs_on+0xd/0x10 [ 81.123666] ? ___ratelimit+0xaa/0x655 [ 81.127542] ? idr_get_free+0x10d0/0x10d0 [ 81.131677] ? kasan_check_write+0x14/0x20 [ 81.135900] ? do_raw_spin_lock+0xc1/0x200 [ 81.140125] oom_kill_process.cold.28+0x10/0x95a [ 81.144880] ? kasan_check_write+0x14/0x20 [ 81.149111] ? do_raw_spin_lock+0xc1/0x200 [ 81.153349] ? trace_hardirqs_on+0xd/0x10 [ 81.157498] ? oom_evaluate_task+0x540/0x540 [ 81.161902] ? cgroup_procs_next+0x70/0x70 [ 81.166131] ? trace_hardirqs_on+0xd/0x10 [ 81.170265] ? _raw_spin_unlock_irq+0x27/0x70 [ 81.174747] ? oom_badness+0xb00/0xb00 [ 81.178631] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 81.183379] ? mem_cgroup_iter_break+0x30/0x30 [ 81.187964] ? shrink_node+0x16a0/0x16a0 [ 81.192021] ? lock_acquire+0x1e4/0x540 [ 81.196001] ? cgroup_file_notify+0x226/0x2f0 [ 81.200490] out_of_memory+0xa8a/0x14d0 [ 81.204453] ? kasan_check_read+0x11/0x20 [ 81.208588] ? oom_killer_disable+0x3a0/0x3a0 [ 81.213068] ? kasan_check_write+0x14/0x20 [ 81.217287] ? do_raw_spin_lock+0xc1/0x200 [ 81.221873] ? trace_hardirqs_on+0xd/0x10 [ 81.226013] mem_cgroup_out_of_memory+0x15e/0x210 [ 81.230850] ? memcg_memory_event+0x40/0x40 [ 81.235174] ? page_counter_try_charge+0x1c7/0x220 [ 81.240102] try_charge+0x720/0x1680 [ 81.243805] ? lock_acquire+0x1e4/0x540 [ 81.247788] ? fs_reclaim_acquire+0x20/0x20 [ 81.252112] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 81.258877] ? rcu_note_context_switch+0x730/0x730 [ 81.263803] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 81.268639] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 81.273653] memcg_kmem_charge_memcg+0x7c/0x120 [ 81.278313] ? memcg_kmem_put_cache+0xb0/0xb0 [ 81.282814] ? __free_pages+0x10a/0x190 [ 81.287392] cache_grow_begin+0x207/0x710 [ 81.291536] ? do_raw_spin_unlock+0xa7/0x2f0 [ 81.295951] fallback_alloc+0x203/0x2c0 [ 81.299917] ____cache_alloc_node+0x1c7/0x1e0 [ 81.304408] kmem_cache_alloc+0x1e5/0x760 [ 81.308551] __d_alloc+0xc8/0xd50 [ 81.311999] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 81.317010] ? ktime_get_coarse_real_ts64+0x243/0x3a0 [ 81.322205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.327729] ? timespec64_trunc+0xea/0x180 [ 81.331948] ? inode_init_owner+0x340/0x340 [ 81.336271] ? _raw_spin_unlock+0x22/0x30 [ 81.340407] ? current_time+0x10b/0x1b0 [ 81.344383] ? __lockdep_init_map+0x105/0x590 [ 81.348893] d_alloc_pseudo+0x1d/0x30 [ 81.352684] alloc_file_pseudo+0x158/0x3f0 [ 81.356906] ? alloc_file+0x430/0x430 [ 81.360698] ? check_same_owner+0x340/0x340 [ 81.365018] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 81.370025] ? __check_object_size+0xa3/0x5d7 [ 81.374525] ? kasan_check_write+0x14/0x20 [ 81.378762] __shmem_file_setup.part.48+0x110/0x2a0 [ 81.383785] shmem_file_setup+0x65/0x90 [ 81.387770] __x64_sys_memfd_create+0x2af/0x4f0 [ 81.392437] ? memfd_fcntl+0x1e80/0x1e80 [ 81.396508] do_syscall_64+0x1b9/0x820 [ 81.400401] ? finish_task_switch+0x1d3/0x870 [ 81.404895] ? syscall_return_slowpath+0x5e0/0x5e0 [ 81.409834] ? syscall_return_slowpath+0x31d/0x5e0 [ 81.414760] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 81.419773] ? __switch_to_asm+0x34/0x70 [ 81.424532] ? __switch_to_asm+0x34/0x70 [ 81.428591] ? __switch_to_asm+0x40/0x70 [ 81.432650] ? __switch_to_asm+0x34/0x70 [ 81.436699] ? __switch_to_asm+0x40/0x70 [ 81.440745] ? __switch_to_asm+0x34/0x70 [ 81.444792] ? __switch_to_asm+0x40/0x70 [ 81.448843] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 81.453683] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.459052] RIP: 0033:0x456b29 [ 81.462246] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.481339] RSP: 002b:00007f0481364a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 81.489052] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 81.496316] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 81.503598] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 81.510861] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 81.518135] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 81.525543] Task in /ile0 killed as a result of limit of /ile0 [ 81.531595] memory: usage 248kB, limit 0kB, failcnt 12882 [ 81.537167] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 81.543967] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 81.550127] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 81.569583] Tasks state (memory values in pages): [ 81.574468] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 81.583453] [ 6841] 0 6841 9426 535 65536 0 0 syz-executor1 [ 81.592523] [ 6845] 0 6845 9426 535 61440 0 0 syz-executor0 [ 81.601611] Memory cgroup out of memory: Kill process 6841 (syz-executor1) score 551000 or sacrifice child [ 81.611462] Killed process 6841 (syz-executor1) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 81.622678] oom_reaper: reaped process 6841 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 81.633125] syz-executor0 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 81.644375] syz-executor0 cpuset=/ mems_allowed=0 [ 81.649262] CPU: 0 PID: 6845 Comm: syz-executor0 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 81.657582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.666925] Call Trace: [ 81.669515] dump_stack+0x1c9/0x2b4 [ 81.673410] ? dump_stack_print_info.cold.2+0x52/0x52 [ 81.678602] ? trace_hardirqs_on+0x10/0x10 [ 81.682834] dump_header+0x27b/0xf70 [ 81.686545] ? pagefault_out_of_memory+0x197/0x197 [ 81.691467] ? do_raw_spin_unlock+0xa7/0x2f0 [ 81.695869] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 81.700467] ? compat_start_thread+0x80/0x80 [ 81.705692] ? trace_hardirqs_on+0x10/0x10 [ 81.709923] ? trace_hardirqs_on+0xd/0x10 [ 81.714065] ? _raw_spin_unlock_irq+0x27/0x70 [ 81.718558] ? finish_task_switch+0x1d3/0x870 [ 81.723048] ? finish_task_switch+0x18a/0x870 [ 81.727538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.733075] ? css_next_child+0x1c3/0x620 [ 81.737240] ? find_lock_task_mm+0x230/0x4d0 [ 81.741652] ? cgroup_get_tree+0xb20/0xb20 [ 81.745886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.751419] ? task_will_free_mem+0x239/0xb70 [ 81.755927] ? lock_downgrade+0x8f0/0x8f0 [ 81.760075] ? ___ratelimit+0x36f/0x655 [ 81.764045] ? lock_downgrade+0x8f0/0x8f0 [ 81.768184] ? kasan_check_read+0x11/0x20 [ 81.772321] ? do_raw_spin_unlock+0xa7/0x2f0 [ 81.776735] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 81.781317] ? do_raw_spin_lock+0x200/0x200 [ 81.785638] ? oom_kill_process+0x258/0x290 [ 81.789952] ? lock_downgrade+0x8f0/0x8f0 [ 81.794097] ? trace_hardirqs_on+0xd/0x10 [ 81.798243] ? ___ratelimit+0xaa/0x655 [ 81.802122] ? idr_get_free+0x10d0/0x10d0 [ 81.806269] ? kasan_check_write+0x14/0x20 [ 81.810503] ? do_raw_spin_lock+0xc1/0x200 [ 81.814754] oom_kill_process.cold.28+0x10/0x95a [ 81.819506] ? kasan_check_write+0x14/0x20 [ 81.823748] ? do_raw_spin_lock+0xc1/0x200 [ 81.827983] ? trace_hardirqs_on+0xd/0x10 [ 81.832157] ? oom_evaluate_task+0x540/0x540 [ 81.836573] ? cgroup_procs_next+0x70/0x70 [ 81.840822] ? trace_hardirqs_on+0xd/0x10 [ 81.844964] ? _raw_spin_unlock_irq+0x27/0x70 [ 81.849997] ? oom_badness+0xb00/0xb00 [ 81.853899] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 81.858647] ? mem_cgroup_iter_break+0x30/0x30 [ 81.863229] ? shrink_node+0x16a0/0x16a0 [ 81.867284] ? lock_acquire+0x1e4/0x540 [ 81.871264] ? cgroup_file_notify+0x226/0x2f0 [ 81.875753] out_of_memory+0xa8a/0x14d0 [ 81.879727] ? kasan_check_read+0x11/0x20 [ 81.883863] ? oom_killer_disable+0x3a0/0x3a0 [ 81.888359] ? kasan_check_write+0x14/0x20 [ 81.892674] ? do_raw_spin_lock+0xc1/0x200 [ 81.896902] mem_cgroup_out_of_memory+0x15e/0x210 [ 81.901748] ? memcg_memory_event+0x40/0x40 [ 81.906077] ? page_counter_try_charge+0x1c7/0x220 [ 81.910995] try_charge+0x720/0x1680 [ 81.914703] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 81.921453] ? lock_downgrade+0x8f0/0x8f0 [ 81.925601] ? lock_release+0xa30/0xa30 [ 81.929563] ? __anon_vma_prepare+0xc4/0x720 [ 81.934149] ? handle_mm_fault+0x53e/0xc80 [ 81.938478] ? fs_reclaim_acquire+0x20/0x20 [ 81.942789] ? lock_downgrade+0x8f0/0x8f0 [ 81.946938] ? percpu_ref_put_many+0x119/0x240 [ 81.951533] ? get_mem_cgroup_from_mm+0x209/0x440 [ 81.956372] ? get_mem_cgroup_from_page+0x190/0x190 [ 81.961392] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 81.966233] ? lock_acquire+0x1e4/0x540 [ 81.970208] mem_cgroup_try_charge+0x4ff/0xa70 [ 81.974784] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 81.979798] ? mem_cgroup_protected+0xa60/0xa60 [ 81.984471] ? up_write+0x7b/0x220 [ 81.987997] ? up_read+0x110/0x110 [ 81.991549] ? __anon_vma_prepare+0x36d/0x720 [ 81.996050] ? pmd_val+0x88/0x100 [ 81.999503] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 82.005045] mem_cgroup_try_charge_delay+0x1d/0x90 [ 82.009978] __handle_mm_fault+0x25be/0x4470 [ 82.014385] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 82.019214] ? cap_mmap_addr+0x52/0x130 [ 82.024225] ? userfaultfd_unmap_complete+0x32a/0x510 [ 82.029413] ? security_mmap_addr+0x80/0xa0 [ 82.033743] ? lock_acquire+0x1e4/0x540 [ 82.037729] ? handle_mm_fault+0x417/0xc80 [ 82.041955] ? lock_downgrade+0x8f0/0x8f0 [ 82.046097] ? lock_release+0xa30/0xa30 [ 82.050069] ? lock_release+0xa30/0xa30 [ 82.054042] ? down_read_killable+0x200/0x200 [ 82.058541] ? mem_cgroup_from_task+0xcb/0x1f0 [ 82.063129] ? get_mctgt_type+0xde0/0xde0 [ 82.067277] handle_mm_fault+0x53e/0xc80 [ 82.071342] ? __handle_mm_fault+0x4470/0x4470 [ 82.075919] ? find_vma+0x34/0x190 [ 82.079447] __do_page_fault+0x620/0xe50 [ 82.083504] ? mm_fault_error+0x380/0x380 [ 82.087677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.093229] ? __x64_sys_clock_gettime+0x170/0x250 [ 82.098175] ? __ia32_sys_clock_settime+0x290/0x290 [ 82.103212] do_page_fault+0xf6/0x8c0 [ 82.107011] ? vmalloc_sync_all+0x30/0x30 [ 82.111160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.116705] ? do_syscall_64+0x497/0x820 [ 82.120854] ? syscall_return_slowpath+0x5e0/0x5e0 [ 82.125796] ? syscall_return_slowpath+0x31d/0x5e0 [ 82.130718] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 82.135735] ? prepare_exit_to_usermode+0x291/0x3b0 [ 82.140755] ? page_fault+0x8/0x30 [ 82.144655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.149520] ? page_fault+0x8/0x30 [ 82.153055] page_fault+0x1e/0x30 [ 82.156496] RIP: 0033:0x40e33f [ 82.159686] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 82.179378] RSP: 002b:00007ffc77b42e00 EFLAGS: 00010206 [ 82.184733] RAX: 00007fd964f21000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 82.192004] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 82.199262] RBP: 00007ffc77b42ee0 R08: ffffffffffffffff R09: 0000000000000000 [ 82.206520] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77b42fd0 [ 82.213780] R13: 00007fd964f41700 R14: 0000000000000005 R15: 0000000000000001 [ 82.221095] Task in /ile0 killed as a result of limit of /ile0 [ 82.227305] memory: usage 252kB, limit 0kB, failcnt 12992 [ 82.232870] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 82.239650] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 82.245832] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 82.265277] Tasks state (memory values in pages): 2018/08/05 10:45:02 executed programs: 86 [ 82.270153] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 82.279054] [ 6845] 0 6845 9426 535 61440 0 0 syz-executor0 [ 82.288124] Memory cgroup out of memory: Kill process 6845 (syz-executor0) score 550000 or sacrifice child [ 82.297972] Killed process 6845 (syz-executor0) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 82.309136] oom_reaper: reaped process 6845 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 82.409984] syz-executor2 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 82.422148] syz-executor2 cpuset=/ mems_allowed=0 [ 82.427085] CPU: 0 PID: 6880 Comm: syz-executor2 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 82.435434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.444903] Call Trace: [ 82.447490] dump_stack+0x1c9/0x2b4 [ 82.451106] ? dump_stack_print_info.cold.2+0x52/0x52 [ 82.456300] ? trace_hardirqs_on+0x10/0x10 [ 82.460533] dump_header+0x27b/0xf70 [ 82.464263] ? pagefault_out_of_memory+0x197/0x197 [ 82.469182] ? trace_hardirqs_on+0x10/0x10 [ 82.473416] ? rcu_read_unlock+0x16/0x70 [ 82.477469] ? lock_downgrade+0x8f0/0x8f0 [ 82.481617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.487151] ? css_next_child+0x1c3/0x620 [ 82.491311] ? find_lock_task_mm+0x230/0x4d0 [ 82.495717] ? cgroup_get_tree+0xb20/0xb20 [ 82.499952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.505501] ? task_will_free_mem+0x239/0xb70 [ 82.510002] ? lock_downgrade+0x8f0/0x8f0 [ 82.514160] ? ___ratelimit+0x36f/0x655 [ 82.518142] ? lock_downgrade+0x8f0/0x8f0 [ 82.522298] ? kasan_check_read+0x11/0x20 [ 82.526457] ? do_raw_spin_unlock+0xa7/0x2f0 [ 82.530856] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 82.535422] ? do_raw_spin_lock+0x200/0x200 [ 82.539734] ? oom_kill_process+0x258/0x290 [ 82.544052] ? lock_downgrade+0x8f0/0x8f0 [ 82.548185] ? trace_hardirqs_on+0xd/0x10 [ 82.552342] ? ___ratelimit+0xaa/0x655 [ 82.556237] ? idr_get_free+0x10d0/0x10d0 [ 82.560374] ? kasan_check_write+0x14/0x20 [ 82.564598] ? do_raw_spin_lock+0xc1/0x200 [ 82.568831] oom_kill_process.cold.28+0x10/0x95a [ 82.573579] ? kasan_check_write+0x14/0x20 [ 82.577814] ? do_raw_spin_lock+0xc1/0x200 [ 82.582074] ? trace_hardirqs_on+0xd/0x10 [ 82.586775] ? oom_evaluate_task+0x540/0x540 [ 82.591177] ? cgroup_procs_next+0x70/0x70 [ 82.595428] ? trace_hardirqs_on+0xd/0x10 [ 82.599623] ? _raw_spin_unlock_irq+0x27/0x70 [ 82.604123] ? oom_badness+0xb00/0xb00 [ 82.608014] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 82.612768] ? mem_cgroup_iter_break+0x30/0x30 [ 82.617360] ? shrink_node+0x16a0/0x16a0 [ 82.621426] ? lock_acquire+0x1e4/0x540 [ 82.625405] ? cgroup_file_notify+0x226/0x2f0 [ 82.629909] out_of_memory+0xa8a/0x14d0 [ 82.633879] ? kasan_check_read+0x11/0x20 [ 82.638016] ? oom_killer_disable+0x3a0/0x3a0 [ 82.642500] ? kasan_check_write+0x14/0x20 [ 82.646723] ? do_raw_spin_lock+0xc1/0x200 [ 82.650952] mem_cgroup_out_of_memory+0x15e/0x210 [ 82.655794] ? memcg_memory_event+0x40/0x40 [ 82.660102] ? page_counter_try_charge+0x1c7/0x220 [ 82.665017] try_charge+0x720/0x1680 [ 82.668724] ? lock_acquire+0x1e4/0x540 [ 82.672694] ? fs_reclaim_acquire+0x20/0x20 [ 82.677014] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 82.683773] ? rcu_note_context_switch+0x730/0x730 [ 82.688701] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 82.693536] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 82.698549] memcg_kmem_charge_memcg+0x7c/0x120 [ 82.703225] ? memcg_kmem_put_cache+0xb0/0xb0 [ 82.707722] ? __free_pages+0x10a/0x190 [ 82.711694] cache_grow_begin+0x207/0x710 [ 82.715838] ? do_raw_spin_unlock+0xa7/0x2f0 [ 82.720235] fallback_alloc+0x203/0x2c0 [ 82.724200] ____cache_alloc_node+0x1c7/0x1e0 [ 82.728686] kmem_cache_alloc+0x1e5/0x760 [ 82.732822] ? lock_downgrade+0x8f0/0x8f0 [ 82.736958] ? shmem_destroy_callback+0xc0/0xc0 [ 82.741615] shmem_alloc_inode+0x1b/0x40 [ 82.745671] alloc_inode+0x63/0x190 [ 82.749286] new_inode_pseudo+0x71/0x1a0 [ 82.753334] ? prune_icache_sb+0x1c0/0x1c0 [ 82.757562] ? _raw_spin_unlock+0x22/0x30 [ 82.761695] new_inode+0x1c/0x40 [ 82.765050] shmem_get_inode+0xf1/0x910 [ 82.769012] ? shmem_encode_fh+0x340/0x340 [ 82.773233] ? lock_downgrade+0x8f0/0x8f0 [ 82.777370] ? lock_release+0xa30/0xa30 [ 82.781336] ? check_same_owner+0x340/0x340 [ 82.785656] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 82.790669] ? __check_object_size+0xa3/0x5d7 [ 82.795171] __shmem_file_setup.part.48+0x83/0x2a0 [ 82.800093] shmem_file_setup+0x65/0x90 [ 82.804058] __x64_sys_memfd_create+0x2af/0x4f0 [ 82.808716] ? memfd_fcntl+0x1e80/0x1e80 [ 82.812775] do_syscall_64+0x1b9/0x820 [ 82.816663] ? finish_task_switch+0x1d3/0x870 [ 82.821155] ? syscall_return_slowpath+0x5e0/0x5e0 [ 82.826082] ? syscall_return_slowpath+0x31d/0x5e0 [ 82.831008] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 82.836023] ? __switch_to_asm+0x34/0x70 [ 82.840086] ? __switch_to_asm+0x34/0x70 [ 82.844143] ? __switch_to_asm+0x40/0x70 [ 82.848194] ? __switch_to_asm+0x34/0x70 [ 82.852252] ? __switch_to_asm+0x40/0x70 [ 82.856303] ? __switch_to_asm+0x34/0x70 [ 82.860359] ? __switch_to_asm+0x40/0x70 [ 82.864407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.869240] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.874419] RIP: 0033:0x456b29 [ 82.877614] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.896521] RSP: 002b:00007fb8ae7a8a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 82.904227] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 82.911491] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 82.918761] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 82.926048] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 82.933329] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 82.940731] Task in /ile0 killed as a result of limit of /ile0 [ 82.946804] memory: usage 256kB, limit 0kB, failcnt 13136 [ 82.952405] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 82.959192] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 82.965367] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 82.984831] Tasks state (memory values in pages): [ 82.989704] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 82.998591] [ 6869] 0 6869 9426 535 65536 0 0 syz-executor1 [ 83.007692] [ 6873] 0 6873 9393 538 61440 0 0 syz-executor2 [ 83.016750] [ 6874] 0 6874 9393 537 65536 0 0 syz-executor6 [ 83.025821] [ 6877] 0 6877 9426 537 65536 0 0 syz-executor3 [ 83.034888] [ 6881] 0 6881 9393 535 65536 0 0 syz-executor5 [ 83.043958] Memory cgroup out of memory: Kill process 6873 (syz-executor2) score 553000 or sacrifice child [ 83.053813] Killed process 6873 (syz-executor2) total-vm:37572kB, anon-rss:2152kB, file-rss:0kB, shmem-rss:0kB [ 83.178755] syz-executor3 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 83.190761] syz-executor3 cpuset=/ mems_allowed=0 [ 83.195658] CPU: 0 PID: 6885 Comm: syz-executor3 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 83.203979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.213341] Call Trace: [ 83.215933] dump_stack+0x1c9/0x2b4 [ 83.219550] ? dump_stack_print_info.cold.2+0x52/0x52 [ 83.224736] ? trace_hardirqs_on+0x10/0x10 [ 83.228974] dump_header+0x27b/0xf70 [ 83.232682] ? pagefault_out_of_memory+0x197/0x197 [ 83.237603] ? do_raw_spin_unlock+0xa7/0x2f0 [ 83.242029] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 83.246614] ? compat_start_thread+0x80/0x80 [ 83.251032] ? trace_hardirqs_on+0x10/0x10 [ 83.255274] ? kasan_check_write+0x14/0x20 [ 83.259502] ? finish_task_switch+0x2ca/0x870 [ 83.263993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.269541] ? css_next_child+0x1c3/0x620 [ 83.273689] ? find_lock_task_mm+0x230/0x4d0 [ 83.278100] ? cgroup_get_tree+0xb20/0xb20 [ 83.282344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.287893] ? task_will_free_mem+0x239/0xb70 [ 83.292402] ? lock_downgrade+0x8f0/0x8f0 [ 83.296552] ? ___ratelimit+0x36f/0x655 [ 83.300521] ? lock_downgrade+0x8f0/0x8f0 [ 83.304663] ? kasan_check_read+0x11/0x20 [ 83.308802] ? do_raw_spin_unlock+0xa7/0x2f0 [ 83.313206] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 83.317778] ? do_raw_spin_lock+0x200/0x200 [ 83.322100] ? oom_kill_process+0x258/0x290 [ 83.326416] ? lock_downgrade+0x8f0/0x8f0 [ 83.330566] ? trace_hardirqs_on+0xd/0x10 [ 83.334725] ? ___ratelimit+0xaa/0x655 [ 83.338609] ? idr_get_free+0x10d0/0x10d0 [ 83.342758] ? kasan_check_write+0x14/0x20 [ 83.346987] ? do_raw_spin_lock+0xc1/0x200 [ 83.351224] oom_kill_process.cold.28+0x10/0x95a [ 83.355992] ? kasan_check_write+0x14/0x20 [ 83.360235] ? do_raw_spin_lock+0xc1/0x200 [ 83.364460] ? trace_hardirqs_on+0xd/0x10 [ 83.368607] ? oom_evaluate_task+0x540/0x540 [ 83.373014] ? cgroup_procs_next+0x70/0x70 [ 83.377246] ? trace_hardirqs_on+0xd/0x10 [ 83.381388] ? _raw_spin_unlock_irq+0x27/0x70 [ 83.385882] ? oom_badness+0xb00/0xb00 [ 83.389782] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 83.394534] ? mem_cgroup_iter_break+0x30/0x30 [ 83.399109] ? shrink_node+0x16a0/0x16a0 [ 83.403196] ? lock_acquire+0x1e4/0x540 [ 83.407198] ? cgroup_file_notify+0x226/0x2f0 [ 83.411692] out_of_memory+0xa8a/0x14d0 [ 83.415674] ? kasan_check_read+0x11/0x20 [ 83.419818] ? oom_killer_disable+0x3a0/0x3a0 [ 83.424315] ? kasan_check_write+0x14/0x20 [ 83.428543] ? do_raw_spin_lock+0xc1/0x200 [ 83.432770] mem_cgroup_out_of_memory+0x15e/0x210 [ 83.437599] ? memcg_memory_event+0x40/0x40 [ 83.441913] ? page_counter_try_charge+0x1c7/0x220 [ 83.446841] try_charge+0x720/0x1680 [ 83.450556] ? lock_acquire+0x1e4/0x540 [ 83.454525] ? fs_reclaim_acquire+0x20/0x20 [ 83.458845] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 83.465598] ? rcu_note_context_switch+0x730/0x730 [ 83.470526] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 83.475361] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 83.480387] memcg_kmem_charge_memcg+0x7c/0x120 [ 83.485043] ? memcg_kmem_put_cache+0xb0/0xb0 [ 83.489528] ? __free_pages+0x10a/0x190 [ 83.493505] cache_grow_begin+0x207/0x710 [ 83.497649] ? do_raw_spin_unlock+0xa7/0x2f0 [ 83.502050] fallback_alloc+0x203/0x2c0 [ 83.506013] ____cache_alloc_node+0x1c7/0x1e0 [ 83.510509] kmem_cache_alloc+0x1e5/0x760 [ 83.514663] ? lock_downgrade+0x8f0/0x8f0 [ 83.518806] ? shmem_destroy_callback+0xc0/0xc0 [ 83.523467] shmem_alloc_inode+0x1b/0x40 [ 83.527519] alloc_inode+0x63/0x190 [ 83.531141] new_inode_pseudo+0x71/0x1a0 [ 83.535201] ? prune_icache_sb+0x1c0/0x1c0 [ 83.539440] ? _raw_spin_unlock+0x22/0x30 [ 83.543588] new_inode+0x1c/0x40 [ 83.546967] shmem_get_inode+0xf1/0x910 [ 83.550935] ? shmem_encode_fh+0x340/0x340 [ 83.555175] ? lock_downgrade+0x8f0/0x8f0 [ 83.559314] ? lock_release+0xa30/0xa30 [ 83.563282] ? check_same_owner+0x340/0x340 [ 83.567591] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 83.572598] ? __check_object_size+0xa3/0x5d7 [ 83.577102] __shmem_file_setup.part.48+0x83/0x2a0 [ 83.582021] shmem_file_setup+0x65/0x90 [ 83.585985] __x64_sys_memfd_create+0x2af/0x4f0 [ 83.590641] ? memfd_fcntl+0x1e80/0x1e80 [ 83.594700] do_syscall_64+0x1b9/0x820 [ 83.598576] ? finish_task_switch+0x1d3/0x870 [ 83.603062] ? syscall_return_slowpath+0x5e0/0x5e0 [ 83.607992] ? syscall_return_slowpath+0x31d/0x5e0 [ 83.612922] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 83.617930] ? __switch_to_asm+0x34/0x70 [ 83.621991] ? __switch_to_asm+0x34/0x70 [ 83.626036] ? __switch_to_asm+0x40/0x70 [ 83.630083] ? __switch_to_asm+0x34/0x70 [ 83.634127] ? __switch_to_asm+0x40/0x70 [ 83.638176] ? __switch_to_asm+0x34/0x70 [ 83.642223] ? __switch_to_asm+0x40/0x70 [ 83.646286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.651118] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.656298] RIP: 0033:0x456b29 [ 83.659478] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.678371] RSP: 002b:00007f03fc123a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 83.686074] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 83.693339] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 83.700625] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 83.707885] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 83.715147] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 83.722488] Task in /ile0 killed as a result of limit of /ile0 [ 83.728557] memory: usage 264kB, limit 0kB, failcnt 15420 [ 83.734110] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 83.740881] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 83.747039] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 83.766475] Tasks state (memory values in pages): [ 83.771341] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 83.780208] [ 6869] 0 6869 9426 535 65536 0 0 syz-executor1 [ 83.789254] [ 6874] 0 6874 9393 537 65536 0 0 syz-executor6 [ 83.798471] [ 6877] 0 6877 9426 537 65536 0 0 syz-executor3 [ 83.807519] [ 6881] 0 6881 9393 535 65536 0 0 syz-executor5 [ 83.816587] [ 6896] 0 6896 9393 534 65536 0 0 syz-executor7 [ 83.825638] [ 6898] 0 6898 9426 536 61440 0 0 syz-executor4 [ 83.834668] Memory cgroup out of memory: Kill process 6877 (syz-executor3) score 553000 or sacrifice child [ 83.844505] Killed process 6877 (syz-executor3) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 83.856540] oom_reaper: reaped process 6877 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 83.876871] syz-executor1 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 83.888811] syz-executor1 cpuset=/ mems_allowed=0 [ 83.893717] CPU: 1 PID: 6869 Comm: syz-executor1 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 83.902038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.911538] Call Trace: [ 83.914150] dump_stack+0x1c9/0x2b4 [ 83.917794] ? dump_stack_print_info.cold.2+0x52/0x52 [ 83.922997] ? trace_hardirqs_on+0x10/0x10 [ 83.927252] dump_header+0x27b/0xf70 [ 83.930973] ? pagefault_out_of_memory+0x197/0x197 [ 83.935895] ? do_raw_spin_unlock+0xa7/0x2f0 [ 83.940586] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 83.945173] ? compat_start_thread+0x80/0x80 [ 83.949589] ? trace_hardirqs_on+0x10/0x10 [ 83.953819] ? kasan_check_write+0x14/0x20 [ 83.958045] ? finish_task_switch+0x2ca/0x870 [ 83.962531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.968062] ? css_next_child+0x1c3/0x620 [ 83.972205] ? find_lock_task_mm+0x230/0x4d0 [ 83.976611] ? cgroup_get_tree+0xb20/0xb20 [ 83.980864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.986409] ? task_will_free_mem+0x239/0xb70 [ 83.990946] ? lock_downgrade+0x8f0/0x8f0 [ 83.995111] ? ___ratelimit+0x36f/0x655 [ 83.999085] ? lock_downgrade+0x8f0/0x8f0 [ 84.003232] ? kasan_check_read+0x11/0x20 [ 84.007377] ? do_raw_spin_unlock+0xa7/0x2f0 [ 84.011779] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 84.016353] ? do_raw_spin_lock+0x200/0x200 [ 84.020667] ? oom_kill_process+0x258/0x290 [ 84.024996] ? lock_downgrade+0x8f0/0x8f0 [ 84.029149] ? trace_hardirqs_on+0xd/0x10 [ 84.033291] ? ___ratelimit+0xaa/0x655 [ 84.037175] ? idr_get_free+0x10d0/0x10d0 [ 84.041314] ? kasan_check_write+0x14/0x20 [ 84.045539] ? do_raw_spin_lock+0xc1/0x200 [ 84.049767] oom_kill_process.cold.28+0x10/0x95a [ 84.054518] ? kasan_check_write+0x14/0x20 [ 84.058742] ? do_raw_spin_lock+0xc1/0x200 [ 84.062969] ? trace_hardirqs_on+0xd/0x10 [ 84.067112] ? oom_evaluate_task+0x540/0x540 [ 84.071510] ? cgroup_procs_next+0x70/0x70 [ 84.075735] ? trace_hardirqs_on+0xd/0x10 [ 84.079874] ? _raw_spin_unlock_irq+0x27/0x70 [ 84.084360] ? oom_badness+0xb00/0xb00 [ 84.088238] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 84.092986] ? mem_cgroup_iter_break+0x30/0x30 [ 84.097574] ? shrink_node+0x16a0/0x16a0 [ 84.101636] ? lock_acquire+0x1e4/0x540 [ 84.105613] ? cgroup_file_notify+0x226/0x2f0 [ 84.110113] out_of_memory+0xa8a/0x14d0 [ 84.114081] ? kasan_check_read+0x11/0x20 [ 84.118225] ? oom_killer_disable+0x3a0/0x3a0 [ 84.122730] ? kasan_check_write+0x14/0x20 [ 84.126960] ? do_raw_spin_lock+0xc1/0x200 [ 84.131190] mem_cgroup_out_of_memory+0x15e/0x210 [ 84.136023] ? memcg_memory_event+0x40/0x40 [ 84.140338] ? page_counter_try_charge+0x1c7/0x220 [ 84.145278] try_charge+0x720/0x1680 [ 84.148983] ? lock_acquire+0x1e4/0x540 [ 84.152950] ? fs_reclaim_acquire+0x20/0x20 [ 84.157266] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 84.164010] ? rcu_note_context_switch+0x730/0x730 [ 84.168933] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 84.173771] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 84.178783] ? kasan_check_read+0x11/0x20 [ 84.182935] memcg_kmem_charge_memcg+0x7c/0x120 [ 84.187600] ? memcg_kmem_put_cache+0xb0/0xb0 [ 84.192093] ? __free_pages+0x10a/0x190 [ 84.196063] cache_grow_begin+0x207/0x710 [ 84.200207] ? do_raw_spin_unlock+0xa7/0x2f0 [ 84.204608] fallback_alloc+0x203/0x2c0 [ 84.208572] ____cache_alloc_node+0x1c7/0x1e0 [ 84.213056] kmem_cache_alloc+0x1e5/0x760 [ 84.217194] ? __vma_adjust+0x1820/0x1820 [ 84.221345] vm_area_alloc+0x7a/0x1d0 [ 84.225154] ? arch_release_thread_stack+0x10/0x10 [ 84.230091] mmap_region+0xab4/0x1c50 [ 84.233889] ? do_futex+0x249/0x27d0 [ 84.237596] ? __x64_sys_brk+0x7a0/0x7a0 [ 84.241647] ? unmapped_area+0xae0/0xae0 [ 84.245704] ? add_mm_counter_fast+0xd0/0xd0 [ 84.250110] ? _raw_spin_unlock+0x22/0x30 [ 84.254251] ? arch_get_unmapped_area+0x770/0x770 [ 84.259092] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 84.264101] ? cap_mmap_addr+0x52/0x130 [ 84.268072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.273602] ? security_mmap_addr+0x80/0xa0 [ 84.277918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.283464] ? get_unmapped_area+0x292/0x3b0 [ 84.287861] do_mmap+0xa10/0x1220 [ 84.291308] ? mmap_region+0x1c50/0x1c50 [ 84.295360] ? vm_mmap_pgoff+0x1b5/0x2c0 [ 84.299413] ? down_read_killable+0x200/0x200 [ 84.303915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.309443] ? security_mmap_file+0x166/0x1b0 [ 84.313933] vm_mmap_pgoff+0x213/0x2c0 [ 84.317841] ? vma_is_stack_for_current+0xd0/0xd0 [ 84.322676] ? kasan_check_read+0x11/0x20 [ 84.326815] ? _copy_to_user+0xc8/0x110 [ 84.330781] ksys_mmap_pgoff+0xf1/0x660 [ 84.334754] ? find_mergeable_anon_vma+0xd0/0xd0 [ 84.339505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.345039] ? __x64_sys_clock_gettime+0x170/0x250 [ 84.349960] ? __ia32_sys_clock_settime+0x290/0x290 [ 84.354974] __x64_sys_mmap+0xe9/0x1b0 [ 84.358862] do_syscall_64+0x1b9/0x820 [ 84.362743] ? syscall_slow_exit_work+0x500/0x500 [ 84.367579] ? syscall_return_slowpath+0x5e0/0x5e0 [ 84.372522] ? syscall_return_slowpath+0x31d/0x5e0 [ 84.377444] ? prepare_exit_to_usermode+0x291/0x3b0 [ 84.382450] ? perf_trace_sys_enter+0xb10/0xb10 [ 84.387111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.391956] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.397140] RIP: 0033:0x456b7a [ 84.400325] Code: 89 f5 41 54 49 89 fc 55 53 74 35 49 63 e8 48 63 da 4d 89 f9 49 89 e8 4d 63 d6 48 89 da 4c 89 ee 4c 89 e7 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 4e 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 00 [ 84.419853] RSP: 002b:00007ffd226d33d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 84.427561] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000456b7a [ 84.434824] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 84.442088] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 84.449354] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 84.456615] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 84.464454] Task in /ile0 killed as a result of limit of /ile0 [ 84.470489] memory: usage 272kB, limit 0kB, failcnt 15583 [ 84.476041] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 84.482818] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 84.489082] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 84.508548] Tasks state (memory values in pages): [ 84.513419] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 84.522339] [ 6869] 0 6869 9426 535 65536 0 0 syz-executor1 [ 84.531408] [ 6874] 0 6874 9393 537 65536 0 0 syz-executor6 [ 84.540463] [ 6877] 0 6877 9426 0 61440 0 0 syz-executor3 [ 84.549503] [ 6881] 0 6881 9393 535 65536 0 0 syz-executor5 [ 84.558544] [ 6896] 0 6896 9393 534 65536 0 0 syz-executor7 [ 84.567600] [ 6898] 0 6898 9426 536 61440 0 0 syz-executor4 [ 84.576663] Memory cgroup out of memory: Kill process 6874 (syz-executor6) score 553000 or sacrifice child [ 84.586504] Killed process 6874 (syz-executor6) total-vm:37572kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 84.601793] oom_reaper: reaped process 6884 (syz-executor6), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 84.612949] syz-executor5 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 84.624858] syz-executor5 cpuset=/ mems_allowed=0 [ 84.629730] CPU: 1 PID: 6881 Comm: syz-executor5 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 84.638061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.647434] Call Trace: [ 84.650016] dump_stack+0x1c9/0x2b4 [ 84.653637] ? dump_stack_print_info.cold.2+0x52/0x52 [ 84.658840] ? trace_hardirqs_on+0x10/0x10 [ 84.663064] dump_header+0x27b/0xf70 [ 84.666771] ? pagefault_out_of_memory+0x197/0x197 [ 84.671686] ? free_unref_page+0x9a0/0x9a0 [ 84.675924] ? trace_hardirqs_on+0xd/0x10 [ 84.680060] ? trace_hardirqs_on+0x10/0x10 [ 84.684298] ? put_task_stack+0x188/0x2c0 [ 84.688443] ? kasan_check_write+0x14/0x20 [ 84.692661] ? finish_task_switch+0x5e7/0x870 [ 84.697158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.702688] ? css_next_child+0x1c3/0x620 [ 84.706824] ? find_lock_task_mm+0x230/0x4d0 [ 84.711225] ? cgroup_get_tree+0xb20/0xb20 [ 84.715446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.720981] ? task_will_free_mem+0x239/0xb70 [ 84.725476] ? lock_downgrade+0x8f0/0x8f0 [ 84.729610] ? ___ratelimit+0x36f/0x655 [ 84.733575] ? lock_downgrade+0x8f0/0x8f0 [ 84.737717] ? kasan_check_read+0x11/0x20 [ 84.741861] ? do_raw_spin_unlock+0xa7/0x2f0 [ 84.746252] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 84.750814] ? do_raw_spin_lock+0x200/0x200 [ 84.755118] ? oom_kill_process+0x258/0x290 [ 84.759426] ? lock_downgrade+0x8f0/0x8f0 [ 84.763559] ? trace_hardirqs_on+0xd/0x10 [ 84.767695] ? ___ratelimit+0xaa/0x655 [ 84.771563] ? idr_get_free+0x10d0/0x10d0 [ 84.775694] ? kasan_check_write+0x14/0x20 [ 84.779912] ? do_raw_spin_lock+0xc1/0x200 [ 84.784134] oom_kill_process.cold.28+0x10/0x95a [ 84.788877] ? kasan_check_write+0x14/0x20 [ 84.793096] ? do_raw_spin_lock+0xc1/0x200 [ 84.797317] ? trace_hardirqs_on+0xd/0x10 [ 84.801456] ? oom_evaluate_task+0x540/0x540 [ 84.805846] ? cgroup_procs_next+0x70/0x70 [ 84.810067] ? trace_hardirqs_on+0xd/0x10 [ 84.814201] ? _raw_spin_unlock_irq+0x27/0x70 [ 84.818684] ? oom_badness+0xb00/0xb00 [ 84.822560] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 84.827314] ? mem_cgroup_iter_break+0x30/0x30 [ 84.831889] ? shrink_node+0x16a0/0x16a0 [ 84.835938] ? lock_downgrade+0x8f0/0x8f0 [ 84.840073] ? lock_acquire+0x1e4/0x540 [ 84.844032] ? cgroup_file_notify+0x226/0x2f0 [ 84.848525] out_of_memory+0xa8a/0x14d0 [ 84.852493] ? kasan_check_read+0x11/0x20 [ 84.856641] ? oom_killer_disable+0x3a0/0x3a0 [ 84.861121] ? trace_hardirqs_off+0xd/0x10 [ 84.865371] mem_cgroup_out_of_memory+0x15e/0x210 [ 84.870200] ? memcg_memory_event+0x40/0x40 [ 84.874504] ? page_counter_try_charge+0x1c7/0x220 [ 84.879433] try_charge+0x720/0x1680 [ 84.883132] ? lock_acquire+0x1e4/0x540 [ 84.887087] ? fs_reclaim_acquire+0x20/0x20 [ 84.891394] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 84.898131] ? rcu_note_context_switch+0x730/0x730 [ 84.903050] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 84.907882] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 84.912886] ? kasan_check_read+0x11/0x20 [ 84.917282] memcg_kmem_charge_memcg+0x7c/0x120 [ 84.921938] ? memcg_kmem_put_cache+0xb0/0xb0 [ 84.926508] ? __free_pages+0x10a/0x190 [ 84.930470] cache_grow_begin+0x207/0x710 [ 84.934604] ? do_raw_spin_unlock+0xa7/0x2f0 [ 84.938998] fallback_alloc+0x203/0x2c0 [ 84.942962] ____cache_alloc_node+0x1c7/0x1e0 [ 84.947465] kmem_cache_alloc+0x1e5/0x760 [ 84.951600] ? __vma_adjust+0x1820/0x1820 [ 84.955734] vm_area_alloc+0x7a/0x1d0 [ 84.959530] ? arch_release_thread_stack+0x10/0x10 [ 84.964449] mmap_region+0xab4/0x1c50 [ 84.968234] ? do_futex+0x249/0x27d0 [ 84.971934] ? __x64_sys_brk+0x7a0/0x7a0 [ 84.975979] ? unmapped_area+0xae0/0xae0 [ 84.980025] ? add_mm_counter_fast+0xd0/0xd0 [ 84.984433] ? _raw_spin_unlock+0x22/0x30 [ 84.988580] ? arch_get_unmapped_area+0x770/0x770 [ 84.993426] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 84.998621] ? cap_mmap_addr+0x52/0x130 [ 85.002681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.008207] ? security_mmap_addr+0x80/0xa0 [ 85.012536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.018070] ? get_unmapped_area+0x292/0x3b0 [ 85.022472] do_mmap+0xa10/0x1220 [ 85.025923] ? mmap_region+0x1c50/0x1c50 [ 85.029971] ? vm_mmap_pgoff+0x1b5/0x2c0 [ 85.034019] ? down_read_killable+0x200/0x200 [ 85.038504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.044382] ? security_mmap_file+0x166/0x1b0 [ 85.048866] vm_mmap_pgoff+0x213/0x2c0 [ 85.052738] ? vma_is_stack_for_current+0xd0/0xd0 [ 85.057568] ? kasan_check_read+0x11/0x20 [ 85.061711] ? _copy_to_user+0xc8/0x110 [ 85.065688] ksys_mmap_pgoff+0xf1/0x660 [ 85.069653] ? find_mergeable_anon_vma+0xd0/0xd0 [ 85.074407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.079943] ? __x64_sys_clock_gettime+0x170/0x250 [ 85.084856] ? __ia32_sys_clock_settime+0x290/0x290 [ 85.089863] __x64_sys_mmap+0xe9/0x1b0 [ 85.093739] do_syscall_64+0x1b9/0x820 [ 85.097616] ? syscall_return_slowpath+0x5e0/0x5e0 [ 85.102535] ? syscall_return_slowpath+0x31d/0x5e0 [ 85.107465] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 85.112481] ? prepare_exit_to_usermode+0x291/0x3b0 [ 85.117493] ? perf_trace_sys_enter+0xb10/0xb10 [ 85.122150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 85.126985] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.132159] RIP: 0033:0x456b7a [ 85.135359] Code: 89 f5 41 54 49 89 fc 55 53 74 35 49 63 e8 48 63 da 4d 89 f9 49 89 e8 4d 63 d6 48 89 da 4c 89 ee 4c 89 e7 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 4e 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 00 [ 85.154251] RSP: 002b:00007ffcfd606978 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 85.162038] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000456b7a [ 85.169305] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 85.176564] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 85.183822] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 85.191086] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 85.199435] Task in /ile0 killed as a result of limit of /ile0 [ 85.205473] memory: usage 288kB, limit 0kB, failcnt 15952 [ 85.211041] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 85.217812] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 85.223966] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 85.243406] Tasks state (memory values in pages): [ 85.248272] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 85.257163] [ 6869] 0 6869 9426 535 65536 0 0 syz-executor1 [ 85.266228] [ 6881] 0 6881 9393 535 65536 0 0 syz-executor5 [ 85.275266] [ 6896] 0 6896 9393 534 65536 0 0 syz-executor7 [ 85.284309] [ 6898] 0 6898 9426 536 61440 0 0 syz-executor4 [ 85.293357] Memory cgroup out of memory: Kill process 6881 (syz-executor5) score 551000 or sacrifice child [ 85.303211] Killed process 6881 (syz-executor5) total-vm:37572kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 85.314773] oom_reaper: reaped process 6881 (syz-executor5), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 85.315194] syz-executor1 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 85.336578] syz-executor1 cpuset=/ mems_allowed=0 [ 85.341470] CPU: 1 PID: 6892 Comm: syz-executor1 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 85.349806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.359150] Call Trace: [ 85.361735] dump_stack+0x1c9/0x2b4 [ 85.365364] ? dump_stack_print_info.cold.2+0x52/0x52 [ 85.370549] ? trace_hardirqs_on+0x10/0x10 [ 85.374774] dump_header+0x27b/0xf70 [ 85.378484] ? pagefault_out_of_memory+0x197/0x197 [ 85.383401] ? do_raw_spin_unlock+0xa7/0x2f0 [ 85.387808] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 85.392728] ? compat_start_thread+0x80/0x80 [ 85.397129] ? trace_hardirqs_on+0x10/0x10 [ 85.401354] ? kasan_check_write+0x14/0x20 [ 85.405592] ? finish_task_switch+0x2ca/0x870 [ 85.410085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.415634] ? css_next_child+0x1c3/0x620 [ 85.419778] ? find_lock_task_mm+0x230/0x4d0 [ 85.424266] ? cgroup_get_tree+0xb20/0xb20 [ 85.428497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.434028] ? task_will_free_mem+0x239/0xb70 [ 85.438542] ? lock_downgrade+0x8f0/0x8f0 [ 85.442685] ? ___ratelimit+0x36f/0x655 [ 85.446663] ? lock_downgrade+0x8f0/0x8f0 [ 85.450804] ? kasan_check_read+0x11/0x20 [ 85.454940] ? do_raw_spin_unlock+0xa7/0x2f0 [ 85.459356] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 85.463927] ? do_raw_spin_lock+0x200/0x200 [ 85.468238] ? oom_kill_process+0x258/0x290 [ 85.472549] ? lock_downgrade+0x8f0/0x8f0 [ 85.476689] ? trace_hardirqs_on+0xd/0x10 [ 85.480824] ? ___ratelimit+0xaa/0x655 [ 85.484700] ? idr_get_free+0x10d0/0x10d0 [ 85.488843] ? kasan_check_write+0x14/0x20 [ 85.493075] ? do_raw_spin_lock+0xc1/0x200 [ 85.497318] oom_kill_process.cold.28+0x10/0x95a [ 85.502075] ? kasan_check_write+0x14/0x20 [ 85.506301] ? do_raw_spin_lock+0xc1/0x200 [ 85.510538] ? trace_hardirqs_on+0xd/0x10 [ 85.514690] ? oom_evaluate_task+0x540/0x540 [ 85.519097] ? cgroup_procs_next+0x70/0x70 [ 85.523335] ? trace_hardirqs_on+0xd/0x10 [ 85.527479] ? _raw_spin_unlock_irq+0x27/0x70 [ 85.531979] ? oom_badness+0xb00/0xb00 [ 85.535874] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 85.540621] ? mem_cgroup_iter_break+0x30/0x30 [ 85.545213] ? shrink_node+0x16a0/0x16a0 [ 85.549288] ? lock_acquire+0x1e4/0x540 [ 85.553256] ? cgroup_file_notify+0x226/0x2f0 [ 85.557746] out_of_memory+0xa8a/0x14d0 [ 85.561720] ? kasan_check_read+0x11/0x20 [ 85.565950] ? oom_killer_disable+0x3a0/0x3a0 [ 85.570455] ? kasan_check_write+0x14/0x20 [ 85.574693] ? do_raw_spin_lock+0xc1/0x200 [ 85.578942] mem_cgroup_out_of_memory+0x15e/0x210 [ 85.583792] ? memcg_memory_event+0x40/0x40 [ 85.588107] ? page_counter_try_charge+0x1c7/0x220 [ 85.593029] try_charge+0x720/0x1680 [ 85.596753] ? lock_acquire+0x1e4/0x540 [ 85.600719] ? fs_reclaim_acquire+0x20/0x20 [ 85.605046] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 85.611796] ? rcu_note_context_switch+0x730/0x730 [ 85.616726] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 85.621848] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 85.626863] ? do_sys_open+0x584/0x720 [ 85.630758] ? do_syscall_64+0x1b9/0x820 [ 85.634813] memcg_kmem_charge_memcg+0x7c/0x120 [ 85.639477] ? memcg_kmem_put_cache+0xb0/0xb0 [ 85.643965] ? __free_pages+0x10a/0x190 [ 85.647944] cache_grow_begin+0x207/0x710 [ 85.652091] ? do_raw_spin_unlock+0xa7/0x2f0 [ 85.656498] fallback_alloc+0x203/0x2c0 [ 85.660482] ____cache_alloc_node+0x1c7/0x1e0 [ 85.664993] kmem_cache_alloc+0x1e5/0x760 [ 85.669151] seq_open+0x5c/0x1c0 [ 85.672513] kernfs_fop_open+0x695/0x1020 [ 85.676654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.682192] ? lock_acquire+0x1e4/0x540 [ 85.686161] ? kernfs_fop_release+0x1a0/0x1a0 [ 85.690653] ? fsnotify_first_mark+0x350/0x350 [ 85.695227] ? kasan_check_read+0x11/0x20 [ 85.699369] ? fsnotify+0x14e0/0x14e0 [ 85.703161] ? __mnt_want_write+0x2a8/0x400 [ 85.707475] ? may_umount_tree+0x220/0x220 [ 85.711705] do_dentry_open+0x49c/0x1140 [ 85.715762] ? kernfs_fop_release+0x1a0/0x1a0 [ 85.720247] ? chown_common+0x730/0x730 [ 85.724218] ? security_inode_permission+0xd2/0x100 [ 85.729249] ? inode_permission+0xb2/0x560 [ 85.733496] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 85.738687] vfs_open+0xa0/0xd0 [ 85.741960] path_openat+0x12fb/0x5300 [ 85.745839] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 85.750514] ? finish_task_switch+0x18a/0x870 [ 85.755009] ? path_lookupat.isra.45+0xc00/0xc00 [ 85.759761] ? unwind_get_return_address+0x61/0xa0 [ 85.764683] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 85.769694] ? expand_files.part.8+0x571/0x9c0 [ 85.774264] ? iterate_fd+0x4b0/0x4b0 [ 85.778065] ? lock_acquire+0x1e4/0x540 [ 85.782036] ? __alloc_fd+0x34e/0x710 [ 85.785845] ? lock_downgrade+0x8f0/0x8f0 [ 85.789982] ? do_sys_open+0x3a2/0x720 [ 85.793864] ? kasan_check_read+0x11/0x20 [ 85.798006] ? do_raw_spin_unlock+0xa7/0x2f0 [ 85.802422] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 85.807006] ? kasan_check_write+0x14/0x20 [ 85.811246] ? do_raw_spin_lock+0xc1/0x200 [ 85.815493] ? _raw_spin_unlock+0x22/0x30 [ 85.819632] ? __alloc_fd+0x34e/0x710 [ 85.823433] ? usercopy_warn+0x120/0x120 [ 85.827507] do_filp_open+0x255/0x380 [ 85.831314] ? may_open_dev+0x100/0x100 [ 85.835287] ? strncpy_from_user+0x3be/0x510 [ 85.839704] ? mpi_free.cold.1+0x19/0x19 [ 85.843772] ? get_unused_fd_flags+0x122/0x1a0 [ 85.848358] ? getname_flags+0x26e/0x5a0 [ 85.852415] do_sys_open+0x584/0x720 [ 85.856120] ? filp_open+0x80/0x80 [ 85.859651] ? exit_to_usermode_loop+0x1f4/0x380 [ 85.864398] ? syscall_slow_exit_work+0x500/0x500 [ 85.869232] __x64_sys_openat+0x9d/0x100 [ 85.873290] do_syscall_64+0x1b9/0x820 [ 85.877167] ? finish_task_switch+0x1d3/0x870 [ 85.881651] ? syscall_return_slowpath+0x5e0/0x5e0 [ 85.886570] ? syscall_return_slowpath+0x31d/0x5e0 [ 85.891493] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 85.896499] ? __switch_to_asm+0x34/0x70 [ 85.900550] ? __switch_to_asm+0x34/0x70 [ 85.904604] ? __switch_to_asm+0x40/0x70 [ 85.908656] ? __switch_to_asm+0x34/0x70 [ 85.912711] ? __switch_to_asm+0x40/0x70 [ 85.916764] ? __switch_to_asm+0x34/0x70 [ 85.920814] ? __switch_to_asm+0x40/0x70 [ 85.924875] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 85.929711] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.934895] RIP: 0033:0x456b29 [ 85.938085] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.956995] RSP: 002b:00007f0481343c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 85.964726] RAX: ffffffffffffffda RBX: 00007f04813446d4 RCX: 0000000000456b29 [ 85.971986] RDX: 0000000000000002 RSI: 00000000200001c0 RDI: 0000000000000006 [ 85.979243] RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000 [ 85.986500] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 85.993759] R13: 00000000004d2018 R14: 00000000004c752a R15: 0000000000000001 [ 86.001451] Task in /ile0 killed as a result of limit of /ile0 [ 86.007510] memory: usage 296kB, limit 0kB, failcnt 15972 [ 86.013069] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 86.019833] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 86.025984] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 86.045426] Tasks state (memory values in pages): [ 86.050300] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 86.059239] [ 6869] 0 6869 9426 535 65536 0 0 syz-executor1 [ 86.068293] [ 6896] 0 6896 9393 534 65536 0 0 syz-executor7 [ 86.077357] [ 6898] 0 6898 9426 536 61440 0 0 syz-executor4 [ 86.086386] Memory cgroup out of memory: Kill process 6869 (syz-executor1) score 551000 or sacrifice child [ 86.096208] Killed process 6869 (syz-executor1) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 86.180274] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 86.193186] syz-executor0 cpuset=/ mems_allowed=0 [ 86.198120] CPU: 0 PID: 6938 Comm: syz-executor0 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 86.206450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.215815] Call Trace: [ 86.218420] dump_stack+0x1c9/0x2b4 [ 86.222061] ? dump_stack_print_info.cold.2+0x52/0x52 [ 86.227289] ? trace_hardirqs_on+0x10/0x10 [ 86.231542] dump_header+0x27b/0xf70 [ 86.235267] ? pagefault_out_of_memory+0x197/0x197 [ 86.240216] ? trace_hardirqs_on+0x10/0x10 [ 86.244437] ? rcu_read_unlock+0x16/0x70 [ 86.248495] ? lock_downgrade+0x8f0/0x8f0 [ 86.252651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.258195] ? css_next_child+0x1c3/0x620 [ 86.262338] ? find_lock_task_mm+0x230/0x4d0 [ 86.266745] ? cgroup_get_tree+0xb20/0xb20 [ 86.270975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.276503] ? task_will_free_mem+0x239/0xb70 [ 86.281090] ? lock_downgrade+0x8f0/0x8f0 [ 86.285232] ? ___ratelimit+0x36f/0x655 [ 86.289195] ? lock_downgrade+0x8f0/0x8f0 [ 86.293349] ? kasan_check_read+0x11/0x20 [ 86.297505] ? do_raw_spin_unlock+0xa7/0x2f0 [ 86.301917] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 86.306502] ? do_raw_spin_lock+0x200/0x200 [ 86.310824] ? oom_kill_process+0x258/0x290 [ 86.315146] ? lock_downgrade+0x8f0/0x8f0 [ 86.319294] ? trace_hardirqs_on+0xd/0x10 [ 86.323432] ? ___ratelimit+0xaa/0x655 [ 86.327313] ? idr_get_free+0x10d0/0x10d0 [ 86.331465] ? kasan_check_write+0x14/0x20 [ 86.335696] ? do_raw_spin_lock+0xc1/0x200 [ 86.339930] oom_kill_process.cold.28+0x10/0x95a [ 86.346685] ? kasan_check_write+0x14/0x20 [ 86.350923] ? do_raw_spin_lock+0xc1/0x200 [ 86.355441] ? trace_hardirqs_on+0xd/0x10 [ 86.359605] ? oom_evaluate_task+0x540/0x540 [ 86.364012] ? cgroup_procs_next+0x70/0x70 [ 86.368241] ? trace_hardirqs_on+0xd/0x10 [ 86.372381] ? _raw_spin_unlock_irq+0x27/0x70 [ 86.376869] ? oom_badness+0xb00/0xb00 [ 86.380756] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 86.385512] ? mem_cgroup_iter_break+0x30/0x30 [ 86.390093] ? shrink_node+0x16a0/0x16a0 [ 86.394168] ? lock_acquire+0x1e4/0x540 [ 86.398146] ? cgroup_file_notify+0x226/0x2f0 [ 86.402652] out_of_memory+0xa8a/0x14d0 [ 86.406626] ? kasan_check_read+0x11/0x20 [ 86.410766] ? oom_killer_disable+0x3a0/0x3a0 [ 86.415254] ? kasan_check_write+0x14/0x20 [ 86.419499] ? do_raw_spin_lock+0xc1/0x200 [ 86.423750] mem_cgroup_out_of_memory+0x15e/0x210 [ 86.428595] ? memcg_memory_event+0x40/0x40 [ 86.432912] ? page_counter_try_charge+0x1c7/0x220 [ 86.437854] try_charge+0x720/0x1680 [ 86.441563] ? lock_acquire+0x1e4/0x540 [ 86.445531] ? fs_reclaim_acquire+0x20/0x20 [ 86.449847] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 86.456601] ? rcu_note_context_switch+0x730/0x730 [ 86.461544] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 86.466418] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 86.471453] memcg_kmem_charge_memcg+0x7c/0x120 [ 86.476116] ? memcg_kmem_put_cache+0xb0/0xb0 [ 86.480610] ? __free_pages+0x10a/0x190 [ 86.484588] cache_grow_begin+0x207/0x710 [ 86.488741] ? do_raw_spin_unlock+0xa7/0x2f0 [ 86.493143] fallback_alloc+0x203/0x2c0 [ 86.497111] ____cache_alloc_node+0x1c7/0x1e0 [ 86.501637] kmem_cache_alloc+0x1e5/0x760 [ 86.505786] ? lock_downgrade+0x8f0/0x8f0 [ 86.509942] ? shmem_destroy_callback+0xc0/0xc0 [ 86.514611] shmem_alloc_inode+0x1b/0x40 [ 86.518670] alloc_inode+0x63/0x190 [ 86.522287] new_inode_pseudo+0x71/0x1a0 [ 86.526343] ? prune_icache_sb+0x1c0/0x1c0 [ 86.530571] ? _raw_spin_unlock+0x22/0x30 [ 86.535495] new_inode+0x1c/0x40 [ 86.538853] shmem_get_inode+0xf1/0x910 [ 86.542828] ? shmem_encode_fh+0x340/0x340 [ 86.547060] ? lock_downgrade+0x8f0/0x8f0 [ 86.551221] ? lock_release+0xa30/0xa30 [ 86.555186] ? check_same_owner+0x340/0x340 [ 86.559516] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 86.564539] ? __check_object_size+0xa3/0x5d7 [ 86.569046] __shmem_file_setup.part.48+0x83/0x2a0 [ 86.573972] shmem_file_setup+0x65/0x90 [ 86.577943] __x64_sys_memfd_create+0x2af/0x4f0 [ 86.582605] ? memfd_fcntl+0x1e80/0x1e80 [ 86.587466] ? ksys_mount+0xa8/0x140 [ 86.591182] do_syscall_64+0x1b9/0x820 [ 86.595063] ? finish_task_switch+0x1d3/0x870 [ 86.599564] ? syscall_return_slowpath+0x5e0/0x5e0 [ 86.604527] ? syscall_return_slowpath+0x31d/0x5e0 [ 86.609472] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 86.614489] ? __switch_to_asm+0x34/0x70 [ 86.618551] ? __switch_to_asm+0x34/0x70 [ 86.622617] ? __switch_to_asm+0x40/0x70 [ 86.626676] ? __switch_to_asm+0x34/0x70 [ 86.630729] ? __switch_to_asm+0x40/0x70 [ 86.634790] ? __switch_to_asm+0x34/0x70 [ 86.638843] ? __switch_to_asm+0x40/0x70 [ 86.642899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 86.647737] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.652915] RIP: 0033:0x456b29 [ 86.656099] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.674994] RSP: 002b:00007fd964f61a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 86.682706] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 86.689983] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 86.697248] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 86.704531] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 86.711799] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 86.719131] Task in /ile0 killed as a result of limit of /ile0 [ 86.725233] memory: usage 320kB, limit 0kB, failcnt 16172 [ 86.730810] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 86.737598] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 86.744393] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 86.763865] Tasks state (memory values in pages): [ 86.768740] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 86.777651] [ 6930] 0 6930 9426 535 61440 0 0 syz-executor0 [ 86.786708] [ 6932] 0 6932 9426 538 61440 0 0 syz-executor2 [ 86.795768] [ 6933] 0 6933 9426 534 65536 0 0 syz-executor7 [ 86.804825] [ 6934] 0 6934 9426 536 61440 0 0 syz-executor4 [ 86.813893] Memory cgroup out of memory: Kill process 6925 (syz-executor3) score 553000 or sacrifice child [ 86.823912] syz-executor7 invoked oom-killer: gfp_mask=0x6040d0(GFP_KERNEL|__GFP_COMP|__GFP_RECLAIMABLE), nodemask=(null), order=0, oom_score_adj=0 [ 86.837389] syz-executor7 cpuset=/ mems_allowed=0 [ 86.842285] CPU: 1 PID: 6939 Comm: syz-executor7 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 86.850587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.859928] Call Trace: [ 86.862519] dump_stack+0x1c9/0x2b4 [ 86.866137] ? dump_stack_print_info.cold.2+0x52/0x52 [ 86.871324] ? compat_start_thread+0x80/0x80 [ 86.875730] dump_header+0x27b/0xf70 [ 86.879436] ? finish_task_switch+0x1d3/0x870 [ 86.883922] ? trace_hardirqs_on+0x10/0x10 [ 86.888147] ? pagefault_out_of_memory+0x197/0x197 [ 86.893094] ? __switch_to_asm+0x34/0x70 [ 86.897167] ? __switch_to_asm+0x40/0x70 [ 86.901230] ? __switch_to_asm+0x34/0x70 [ 86.905287] ? __switch_to_asm+0x40/0x70 [ 86.909349] ? __switch_to_asm+0x34/0x70 [ 86.913409] ? __switch_to_asm+0x40/0x70 [ 86.917470] ? __switch_to_asm+0x34/0x70 [ 86.921523] ? __switch_to_asm+0x40/0x70 [ 86.925583] ? trace_hardirqs_on+0x10/0x10 [ 86.929831] ? __schedule+0x884/0x1ec0 [ 86.933713] ? trace_hardirqs_on+0x10/0x10 [ 86.937954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.943487] ? css_next_child+0x1c3/0x620 [ 86.947642] ? find_lock_task_mm+0x230/0x4d0 [ 86.952053] ? cgroup_get_tree+0xb20/0xb20 [ 86.956302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.961839] ? task_will_free_mem+0x239/0xb70 [ 86.966364] ? lock_downgrade+0x8f0/0x8f0 [ 86.970519] ? ___ratelimit+0x36f/0x655 [ 86.974497] ? lock_downgrade+0x8f0/0x8f0 [ 86.978647] ? kasan_check_read+0x11/0x20 [ 86.982786] ? do_raw_spin_unlock+0xa7/0x2f0 [ 86.987192] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 86.991768] ? do_raw_spin_lock+0x200/0x200 [ 86.996103] ? oom_kill_process+0x258/0x290 [ 87.000447] ? lock_downgrade+0x8f0/0x8f0 [ 87.004586] ? trace_hardirqs_on+0xd/0x10 [ 87.008725] ? ___ratelimit+0xaa/0x655 [ 87.012603] ? idr_get_free+0x10d0/0x10d0 [ 87.016743] ? kasan_check_write+0x14/0x20 [ 87.020969] ? do_raw_spin_lock+0xc1/0x200 [ 87.025212] oom_kill_process.cold.28+0x10/0x95a [ 87.029965] ? kasan_check_write+0x14/0x20 [ 87.034199] ? do_raw_spin_lock+0xc1/0x200 [ 87.038443] ? trace_hardirqs_on+0xd/0x10 [ 87.042594] ? oom_evaluate_task+0x540/0x540 [ 87.046997] ? cgroup_procs_next+0x70/0x70 [ 87.051227] ? trace_hardirqs_on+0xd/0x10 [ 87.055384] ? _raw_spin_unlock_irq+0x27/0x70 [ 87.059883] ? oom_badness+0xb00/0xb00 [ 87.063795] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 87.068552] ? mem_cgroup_iter_break+0x30/0x30 [ 87.073138] ? shrink_node+0x16a0/0x16a0 [ 87.077196] ? lock_acquire+0x1e4/0x540 [ 87.081175] ? cgroup_file_notify+0x226/0x2f0 [ 87.085668] out_of_memory+0xa8a/0x14d0 [ 87.089641] ? kasan_check_read+0x11/0x20 [ 87.093779] ? oom_killer_disable+0x3a0/0x3a0 [ 87.098271] ? kasan_check_write+0x14/0x20 [ 87.102498] ? do_raw_spin_lock+0xc1/0x200 [ 87.106751] ? trace_hardirqs_on+0xd/0x10 [ 87.110910] mem_cgroup_out_of_memory+0x15e/0x210 [ 87.115752] ? memcg_memory_event+0x40/0x40 [ 87.120073] ? page_counter_try_charge+0x1c7/0x220 [ 87.125003] try_charge+0x720/0x1680 [ 87.128722] ? lock_acquire+0x1e4/0x540 [ 87.132685] ? fs_reclaim_acquire+0x20/0x20 [ 87.137018] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 87.143891] ? rcu_note_context_switch+0x730/0x730 [ 87.148838] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 87.153685] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 87.158712] memcg_kmem_charge_memcg+0x7c/0x120 [ 87.163380] ? memcg_kmem_put_cache+0xb0/0xb0 [ 87.167875] ? __free_pages+0x10a/0x190 [ 87.171853] cache_grow_begin+0x207/0x710 [ 87.175994] ? do_raw_spin_unlock+0xa7/0x2f0 [ 87.180392] fallback_alloc+0x203/0x2c0 [ 87.184369] ____cache_alloc_node+0x1c7/0x1e0 [ 87.188862] kmem_cache_alloc+0x1e5/0x760 [ 87.193020] __d_alloc+0xc8/0xd50 [ 87.196490] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 87.201502] ? ktime_get_coarse_real_ts64+0x243/0x3a0 [ 87.206680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.212216] ? timespec64_trunc+0xea/0x180 [ 87.216456] ? inode_init_owner+0x340/0x340 [ 87.220772] ? _raw_spin_unlock+0x22/0x30 [ 87.224907] ? current_time+0x10b/0x1b0 [ 87.228868] ? __lockdep_init_map+0x105/0x590 [ 87.233365] d_alloc_pseudo+0x1d/0x30 [ 87.237163] alloc_file_pseudo+0x158/0x3f0 [ 87.241387] ? alloc_file+0x430/0x430 [ 87.245183] ? check_same_owner+0x340/0x340 [ 87.249518] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 87.254527] ? __check_object_size+0xa3/0x5d7 [ 87.259010] ? kasan_check_write+0x14/0x20 [ 87.263238] __shmem_file_setup.part.48+0x110/0x2a0 [ 87.268252] shmem_file_setup+0x65/0x90 [ 87.272238] __x64_sys_memfd_create+0x2af/0x4f0 [ 87.276994] ? memfd_fcntl+0x1e80/0x1e80 [ 87.281061] ? ksys_mount+0xa8/0x140 [ 87.284768] do_syscall_64+0x1b9/0x820 [ 87.288643] ? finish_task_switch+0x1d3/0x870 [ 87.293130] ? syscall_return_slowpath+0x5e0/0x5e0 [ 87.298053] ? syscall_return_slowpath+0x31d/0x5e0 [ 87.302969] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 87.307978] ? __switch_to_asm+0x34/0x70 [ 87.312034] ? __switch_to_asm+0x34/0x70 [ 87.316080] ? __switch_to_asm+0x40/0x70 [ 87.320138] ? __switch_to_asm+0x34/0x70 [ 87.324196] ? __switch_to_asm+0x40/0x70 [ 87.328252] ? __switch_to_asm+0x34/0x70 [ 87.332318] ? __switch_to_asm+0x40/0x70 [ 87.336375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 87.341207] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.346386] RIP: 0033:0x456b29 [ 87.349564] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.368463] RSP: 002b:00007f420eeb6a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 87.376172] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 87.383444] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 87.390706] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 87.397989] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 87.405253] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 87.413717] Task in /ile0 killed as a result of limit of /ile0 [ 87.419767] memory: usage 320kB, limit 0kB, failcnt 16178 [ 87.425336] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 87.432135] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 87.438287] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 87.457745] Tasks state (memory values in pages): [ 87.462609] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 87.471492] [ 6930] 0 6930 9426 535 61440 0 0 syz-executor0 [ 87.480535] [ 6932] 0 6932 9426 538 61440 0 0 syz-executor2 [ 87.489587] [ 6933] 0 6933 9426 534 65536 0 0 syz-executor7 [ 87.498642] [ 6934] 0 6934 9426 536 61440 0 0 syz-executor4 [ 87.507691] Memory cgroup out of memory: Kill process 6932 (syz-executor2) score 553000 or sacrifice child [ 87.517541] Killed process 6932 (syz-executor2) total-vm:37704kB, anon-rss:2152kB, file-rss:0kB, shmem-rss:0kB [ 87.532118] syz-executor4 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 87.543069] syz-executor4 cpuset=/ mems_allowed=0 [ 87.547962] CPU: 0 PID: 6934 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 87.556287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.565640] Call Trace: [ 87.568224] dump_stack+0x1c9/0x2b4 [ 87.571838] ? dump_stack_print_info.cold.2+0x52/0x52 [ 87.577030] ? trace_hardirqs_on+0x10/0x10 [ 87.581254] dump_header+0x27b/0xf70 [ 87.584961] ? pagefault_out_of_memory+0x197/0x197 [ 87.589879] ? do_raw_spin_unlock+0xa7/0x2f0 [ 87.594275] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 87.598849] ? compat_start_thread+0x80/0x80 [ 87.603250] ? trace_hardirqs_on+0x10/0x10 [ 87.607495] ? kasan_check_write+0x14/0x20 [ 87.611716] ? finish_task_switch+0x2ca/0x870 [ 87.616204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.621746] ? css_next_child+0x1c3/0x620 [ 87.625884] ? find_lock_task_mm+0x230/0x4d0 [ 87.630282] ? cgroup_get_tree+0xb20/0xb20 [ 87.634505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.640032] ? task_will_free_mem+0x239/0xb70 [ 87.644518] ? lock_downgrade+0x8f0/0x8f0 [ 87.648665] ? ___ratelimit+0x36f/0x655 [ 87.652626] ? lock_downgrade+0x8f0/0x8f0 [ 87.656767] ? kasan_check_read+0x11/0x20 [ 87.660902] ? do_raw_spin_unlock+0xa7/0x2f0 [ 87.665309] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 87.669890] ? do_raw_spin_lock+0x200/0x200 [ 87.674196] ? oom_kill_process+0x258/0x290 [ 87.678505] ? lock_downgrade+0x8f0/0x8f0 [ 87.682651] ? oom_unkillable_task+0x424/0x590 [ 87.687234] ? trace_hardirqs_on+0xd/0x10 [ 87.691366] ? ___ratelimit+0xaa/0x655 [ 87.695240] ? idr_get_free+0x10d0/0x10d0 [ 87.699376] ? kasan_check_write+0x14/0x20 [ 87.703600] ? do_raw_spin_lock+0xc1/0x200 [ 87.707826] oom_kill_process.cold.28+0x10/0x95a [ 87.712571] ? kasan_check_write+0x14/0x20 [ 87.716793] ? do_raw_spin_lock+0xc1/0x200 [ 87.721018] ? trace_hardirqs_on+0xd/0x10 [ 87.725162] ? oom_evaluate_task+0x540/0x540 [ 87.729556] ? cgroup_procs_next+0x70/0x70 [ 87.733780] ? trace_hardirqs_on+0xd/0x10 [ 87.737914] ? _raw_spin_unlock_irq+0x27/0x70 [ 87.742396] ? oom_badness+0xb00/0xb00 [ 87.746271] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 87.751014] ? mem_cgroup_iter_break+0x30/0x30 [ 87.755584] ? shrink_node+0x16a0/0x16a0 [ 87.759637] ? lock_acquire+0x1e4/0x540 [ 87.763602] ? cgroup_file_notify+0x226/0x2f0 [ 87.768094] out_of_memory+0xa8a/0x14d0 [ 87.772053] ? kasan_check_read+0x11/0x20 [ 87.776188] ? oom_killer_disable+0x3a0/0x3a0 [ 87.780668] ? kasan_check_write+0x14/0x20 [ 87.784888] ? do_raw_spin_lock+0xc1/0x200 [ 87.789114] mem_cgroup_out_of_memory+0x15e/0x210 [ 87.793942] ? memcg_memory_event+0x40/0x40 [ 87.798255] ? page_counter_try_charge+0x1c7/0x220 [ 87.803173] try_charge+0x720/0x1680 [ 87.806892] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 87.813648] ? lock_downgrade+0x8f0/0x8f0 [ 87.817783] ? lock_release+0xa30/0xa30 [ 87.821743] ? __anon_vma_prepare+0xc4/0x720 [ 87.826138] ? handle_mm_fault+0x53e/0xc80 [ 87.830367] ? fs_reclaim_acquire+0x20/0x20 [ 87.834675] ? lock_downgrade+0x8f0/0x8f0 [ 87.838820] ? percpu_ref_put_many+0x119/0x240 [ 87.843390] ? get_mem_cgroup_from_mm+0x209/0x440 [ 87.848221] ? get_mem_cgroup_from_page+0x190/0x190 [ 87.853237] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 87.858077] ? lock_acquire+0x1e4/0x540 [ 87.862043] mem_cgroup_try_charge+0x4ff/0xa70 [ 87.866613] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 87.871616] ? mem_cgroup_protected+0xa60/0xa60 [ 87.876274] ? up_write+0x7b/0x220 [ 87.879805] ? up_read+0x110/0x110 [ 87.883339] ? __anon_vma_prepare+0x36d/0x720 [ 87.887826] ? pmd_val+0x88/0x100 [ 87.891272] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 87.896799] mem_cgroup_try_charge_delay+0x1d/0x90 [ 87.901716] __handle_mm_fault+0x25be/0x4470 [ 87.906113] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 87.910945] ? cap_mmap_addr+0x52/0x130 [ 87.914910] ? userfaultfd_unmap_complete+0x32a/0x510 [ 87.920091] ? security_mmap_addr+0x80/0xa0 [ 87.924409] ? lock_acquire+0x1e4/0x540 [ 87.928371] ? handle_mm_fault+0x417/0xc80 [ 87.932595] ? lock_downgrade+0x8f0/0x8f0 [ 87.936729] ? lock_release+0xa30/0xa30 [ 87.940692] ? lock_release+0xa30/0xa30 [ 87.944673] ? down_read_killable+0x200/0x200 [ 87.949159] ? mem_cgroup_from_task+0xcb/0x1f0 [ 87.953729] ? get_mctgt_type+0xde0/0xde0 [ 87.957866] handle_mm_fault+0x53e/0xc80 [ 87.961916] ? __handle_mm_fault+0x4470/0x4470 [ 87.966484] ? find_vma+0x34/0x190 [ 87.970026] __do_page_fault+0x620/0xe50 [ 87.974074] ? mm_fault_error+0x380/0x380 [ 87.978210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.983731] ? __x64_sys_clock_gettime+0x170/0x250 [ 87.988645] ? __ia32_sys_clock_settime+0x290/0x290 [ 87.993648] do_page_fault+0xf6/0x8c0 [ 87.997437] ? vmalloc_sync_all+0x30/0x30 [ 88.001590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.007128] ? do_syscall_64+0x497/0x820 [ 88.011176] ? syscall_slow_exit_work+0x500/0x500 [ 88.016006] ? syscall_return_slowpath+0x5e0/0x5e0 [ 88.020924] ? syscall_return_slowpath+0x31d/0x5e0 [ 88.025846] ? prepare_exit_to_usermode+0x291/0x3b0 [ 88.030850] ? page_fault+0x8/0x30 [ 88.034379] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 88.039213] ? page_fault+0x8/0x30 [ 88.042738] page_fault+0x1e/0x30 [ 88.046175] RIP: 0033:0x40e33f [ 88.049358] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 88.068264] RSP: 002b:00007ffcc7fddb40 EFLAGS: 00010206 [ 88.073631] RAX: 00007f834cce8000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 88.080886] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 2018/08/05 10:45:08 executed programs: 103 [ 88.088140] RBP: 00007ffcc7fddc20 R08: ffffffffffffffff R09: 0000000000000000 [ 88.095395] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcc7fddd10 [ 88.102649] R13: 00007f834cd08700 R14: 0000000000000005 R15: 0000000000000001 [ 88.111018] Task in /ile0 killed as a result of limit of /ile0 [ 88.117067] memory: usage 328kB, limit 0kB, failcnt 16272 [ 88.122625] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 88.129393] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 88.135546] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 88.155008] Tasks state (memory values in pages): [ 88.159867] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 88.168786] [ 6930] 0 6930 9426 535 61440 0 0 syz-executor0 [ 88.177832] [ 6933] 0 6933 9426 534 65536 0 0 syz-executor7 [ 88.186912] [ 6934] 0 6934 9426 536 61440 0 0 syz-executor4 [ 88.195970] Memory cgroup out of memory: Kill process 6934 (syz-executor4) score 551000 or sacrifice child [ 88.205833] Killed process 6934 (syz-executor4) total-vm:37704kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 88.218020] oom_reaper: reaped process 6934 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 88.228070] syz-executor0 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 88.239804] syz-executor0 cpuset=/ mems_allowed=0 [ 88.244690] CPU: 1 PID: 6930 Comm: syz-executor0 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 88.252991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.262348] Call Trace: [ 88.264935] dump_stack+0x1c9/0x2b4 [ 88.268558] ? dump_stack_print_info.cold.2+0x52/0x52 [ 88.273745] ? trace_hardirqs_on+0x10/0x10 [ 88.277976] dump_header+0x27b/0xf70 [ 88.281682] ? pagefault_out_of_memory+0x197/0x197 [ 88.286599] ? do_raw_spin_unlock+0xa7/0x2f0 [ 88.290995] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 88.295569] ? compat_start_thread+0x80/0x80 [ 88.299971] ? trace_hardirqs_on+0x10/0x10 [ 88.304197] ? kasan_check_write+0x14/0x20 [ 88.308420] ? finish_task_switch+0x2ca/0x870 [ 88.312920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.318458] ? css_next_child+0x1c3/0x620 [ 88.322598] ? find_lock_task_mm+0x230/0x4d0 [ 88.327003] ? cgroup_get_tree+0xb20/0xb20 [ 88.331235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.336762] ? task_will_free_mem+0x239/0xb70 [ 88.341250] ? lock_downgrade+0x8f0/0x8f0 [ 88.345390] ? ___ratelimit+0x36f/0x655 [ 88.349357] ? lock_downgrade+0x8f0/0x8f0 [ 88.353495] ? kasan_check_read+0x11/0x20 [ 88.357632] ? do_raw_spin_unlock+0xa7/0x2f0 [ 88.362027] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 88.366599] ? do_raw_spin_lock+0x200/0x200 [ 88.370924] ? oom_kill_process+0x258/0x290 [ 88.375249] ? lock_downgrade+0x8f0/0x8f0 [ 88.379390] ? trace_hardirqs_on+0xd/0x10 [ 88.383555] ? ___ratelimit+0xaa/0x655 [ 88.387433] ? idr_get_free+0x10d0/0x10d0 [ 88.391569] ? kasan_check_write+0x14/0x20 [ 88.395792] ? do_raw_spin_lock+0xc1/0x200 [ 88.400021] oom_kill_process.cold.28+0x10/0x95a [ 88.404786] ? kasan_check_write+0x14/0x20 [ 88.409009] ? do_raw_spin_lock+0xc1/0x200 [ 88.413262] ? trace_hardirqs_on+0xd/0x10 [ 88.418139] ? oom_evaluate_task+0x540/0x540 [ 88.422543] ? cgroup_procs_next+0x70/0x70 [ 88.426775] ? trace_hardirqs_on+0xd/0x10 [ 88.430915] ? _raw_spin_unlock_irq+0x27/0x70 [ 88.435409] ? oom_badness+0xb00/0xb00 [ 88.439290] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 88.444035] ? mem_cgroup_iter_break+0x30/0x30 [ 88.448605] ? shrink_node+0x16a0/0x16a0 [ 88.452661] ? lock_acquire+0x1e4/0x540 [ 88.456644] ? cgroup_file_notify+0x226/0x2f0 [ 88.461134] out_of_memory+0xa8a/0x14d0 [ 88.465108] ? kasan_check_read+0x11/0x20 [ 88.469247] ? oom_killer_disable+0x3a0/0x3a0 [ 88.473730] ? kasan_check_write+0x14/0x20 [ 88.477956] ? do_raw_spin_lock+0xc1/0x200 [ 88.482184] mem_cgroup_out_of_memory+0x15e/0x210 [ 88.487017] ? memcg_memory_event+0x40/0x40 [ 88.491354] ? page_counter_try_charge+0x1c7/0x220 [ 88.496283] try_charge+0x720/0x1680 [ 88.499992] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 88.506734] ? lock_downgrade+0x8f0/0x8f0 [ 88.510873] ? lock_release+0xa30/0xa30 [ 88.514855] ? __anon_vma_prepare+0xc4/0x720 [ 88.519254] ? handle_mm_fault+0x53e/0xc80 [ 88.523481] ? fs_reclaim_acquire+0x20/0x20 [ 88.527797] ? lock_downgrade+0x8f0/0x8f0 [ 88.531939] ? percpu_ref_put_many+0x119/0x240 [ 88.536520] ? get_mem_cgroup_from_mm+0x209/0x440 [ 88.541355] ? get_mem_cgroup_from_page+0x190/0x190 [ 88.546369] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 88.551221] ? lock_acquire+0x1e4/0x540 [ 88.555187] mem_cgroup_try_charge+0x4ff/0xa70 [ 88.559768] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 88.564795] ? mem_cgroup_protected+0xa60/0xa60 [ 88.569459] ? up_write+0x7b/0x220 [ 88.572999] ? up_read+0x110/0x110 [ 88.576530] ? __anon_vma_prepare+0x36d/0x720 [ 88.581029] ? pmd_val+0x88/0x100 [ 88.584483] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 88.590014] mem_cgroup_try_charge_delay+0x1d/0x90 [ 88.594953] __handle_mm_fault+0x25be/0x4470 [ 88.599353] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 88.604183] ? cap_mmap_addr+0x52/0x130 [ 88.608148] ? userfaultfd_unmap_complete+0x32a/0x510 [ 88.613329] ? security_mmap_addr+0x80/0xa0 [ 88.617662] ? lock_acquire+0x1e4/0x540 [ 88.621625] ? handle_mm_fault+0x417/0xc80 [ 88.625854] ? lock_downgrade+0x8f0/0x8f0 [ 88.629986] ? lock_release+0xa30/0xa30 [ 88.633953] ? lock_release+0xa30/0xa30 [ 88.637918] ? down_read_killable+0x200/0x200 [ 88.642404] ? mem_cgroup_from_task+0xcb/0x1f0 [ 88.646975] ? get_mctgt_type+0xde0/0xde0 [ 88.651112] handle_mm_fault+0x53e/0xc80 [ 88.655164] ? __handle_mm_fault+0x4470/0x4470 [ 88.659732] ? find_vma+0x34/0x190 [ 88.663265] __do_page_fault+0x620/0xe50 [ 88.667334] ? mm_fault_error+0x380/0x380 [ 88.671474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.677003] ? __x64_sys_clock_gettime+0x170/0x250 [ 88.681941] ? __ia32_sys_clock_settime+0x290/0x290 [ 88.686970] do_page_fault+0xf6/0x8c0 [ 88.690762] ? vmalloc_sync_all+0x30/0x30 [ 88.694898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.700435] ? do_syscall_64+0x497/0x820 [ 88.704489] ? syscall_return_slowpath+0x5e0/0x5e0 [ 88.709413] ? syscall_return_slowpath+0x31d/0x5e0 [ 88.714358] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 88.719375] ? prepare_exit_to_usermode+0x291/0x3b0 [ 88.724387] ? page_fault+0x8/0x30 [ 88.727936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 88.732769] ? page_fault+0x8/0x30 [ 88.736301] page_fault+0x1e/0x30 [ 88.739745] RIP: 0033:0x40e33f [ 88.742939] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 88.761858] RSP: 002b:00007ffc77b42e00 EFLAGS: 00010206 [ 88.767218] RAX: 00007fd964f21000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 88.774476] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 88.781748] RBP: 00007ffc77b42ee0 R08: ffffffffffffffff R09: 0000000000000000 [ 88.789008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77b42fd0 [ 88.796268] R13: 00007fd964f41700 R14: 0000000000000005 R15: 0000000000000001 [ 88.803572] Task in /ile0 killed as a result of limit of /ile0 [ 88.809616] memory: usage 328kB, limit 0kB, failcnt 16511 [ 88.815166] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 88.822041] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 88.828190] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 88.847645] Tasks state (memory values in pages): [ 88.852506] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 88.861426] [ 6930] 0 6930 9426 535 61440 0 0 syz-executor0 [ 88.870466] [ 6933] 0 6933 9426 534 65536 0 0 syz-executor7 [ 88.879520] [ 6941] 0 6934 9426 1 57344 0 0 syz-executor4 [ 88.888563] Memory cgroup out of memory: Kill process 6930 (syz-executor0) score 550000 or sacrifice child [ 88.898468] Killed process 6930 (syz-executor0) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 88.911489] syz-executor7 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 88.922385] syz-executor7 cpuset=/ mems_allowed=0 [ 88.927418] CPU: 1 PID: 6933 Comm: syz-executor7 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 88.935730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.945594] Call Trace: [ 88.948178] dump_stack+0x1c9/0x2b4 [ 88.951798] ? dump_stack_print_info.cold.2+0x52/0x52 [ 88.957063] ? trace_hardirqs_on+0x10/0x10 [ 88.961284] dump_header+0x27b/0xf70 [ 88.964987] ? trace_hardirqs_on+0x10/0x10 [ 88.969232] ? __switch_to_asm+0x40/0x70 [ 88.973299] ? pagefault_out_of_memory+0x197/0x197 [ 88.978212] ? __switch_to_asm+0x40/0x70 [ 88.982255] ? __switch_to_asm+0x34/0x70 [ 88.986308] ? __switch_to_asm+0x40/0x70 [ 88.990359] ? __switch_to_asm+0x34/0x70 [ 88.994409] ? __switch_to_asm+0x40/0x70 [ 88.998462] ? __switch_to_asm+0x34/0x70 [ 89.002531] ? __switch_to_asm+0x40/0x70 [ 89.006580] ? trace_hardirqs_on+0x10/0x10 [ 89.010798] ? __schedule+0x884/0x1ec0 [ 89.014684] ? kasan_check_write+0x14/0x20 [ 89.018907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.024452] ? css_next_child+0x1c3/0x620 [ 89.028586] ? find_lock_task_mm+0x230/0x4d0 [ 89.032999] ? cgroup_get_tree+0xb20/0xb20 [ 89.037242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.042766] ? task_will_free_mem+0x239/0xb70 [ 89.047259] ? lock_downgrade+0x8f0/0x8f0 [ 89.051395] ? ___ratelimit+0x36f/0x655 [ 89.055369] ? lock_downgrade+0x8f0/0x8f0 [ 89.059506] ? kasan_check_read+0x11/0x20 [ 89.063647] ? do_raw_spin_unlock+0xa7/0x2f0 [ 89.068041] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 89.072616] ? do_raw_spin_lock+0x200/0x200 [ 89.076942] ? oom_kill_process+0x258/0x290 [ 89.081261] ? lock_downgrade+0x8f0/0x8f0 [ 89.085402] ? trace_hardirqs_on+0xd/0x10 [ 89.089535] ? ___ratelimit+0xaa/0x655 [ 89.093406] ? idr_get_free+0x10d0/0x10d0 [ 89.097539] ? kasan_check_write+0x14/0x20 [ 89.101760] ? do_raw_spin_lock+0xc1/0x200 [ 89.105984] oom_kill_process.cold.28+0x10/0x95a [ 89.110723] ? kasan_check_write+0x14/0x20 [ 89.114939] ? do_raw_spin_lock+0xc1/0x200 [ 89.119171] ? trace_hardirqs_on+0xd/0x10 [ 89.123316] ? oom_evaluate_task+0x540/0x540 [ 89.127717] ? cgroup_procs_next+0x70/0x70 [ 89.131936] ? trace_hardirqs_on+0xd/0x10 [ 89.136090] ? _raw_spin_unlock_irq+0x27/0x70 [ 89.140569] ? oom_badness+0xb00/0xb00 [ 89.144447] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 89.149188] ? mem_cgroup_iter_break+0x30/0x30 [ 89.153753] ? shrink_node+0x16a0/0x16a0 [ 89.157897] ? lock_acquire+0x1e4/0x540 [ 89.161863] ? cgroup_file_notify+0x226/0x2f0 [ 89.166348] out_of_memory+0xa8a/0x14d0 [ 89.170316] ? kasan_check_read+0x11/0x20 [ 89.174461] ? oom_killer_disable+0x3a0/0x3a0 [ 89.178936] ? kasan_check_write+0x14/0x20 [ 89.183152] ? do_raw_spin_lock+0xc1/0x200 [ 89.187384] mem_cgroup_out_of_memory+0x15e/0x210 [ 89.192215] ? memcg_memory_event+0x40/0x40 [ 89.196520] ? page_counter_try_charge+0x1c7/0x220 [ 89.201433] try_charge+0x720/0x1680 [ 89.205142] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 89.211880] ? lock_downgrade+0x8f0/0x8f0 [ 89.216013] ? lock_release+0xa30/0xa30 [ 89.219979] ? __anon_vma_prepare+0xc4/0x720 [ 89.224374] ? handle_mm_fault+0x53e/0xc80 [ 89.228593] ? fs_reclaim_acquire+0x20/0x20 [ 89.232899] ? lock_downgrade+0x8f0/0x8f0 [ 89.237032] ? percpu_ref_put_many+0x119/0x240 [ 89.241599] ? get_mem_cgroup_from_mm+0x209/0x440 [ 89.246425] ? get_mem_cgroup_from_page+0x190/0x190 [ 89.251429] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 89.256257] ? lock_acquire+0x1e4/0x540 [ 89.260217] mem_cgroup_try_charge+0x4ff/0xa70 [ 89.265068] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 89.270075] ? mem_cgroup_protected+0xa60/0xa60 [ 89.274726] ? up_write+0x7b/0x220 [ 89.278246] ? up_read+0x110/0x110 [ 89.281776] ? __anon_vma_prepare+0x36d/0x720 [ 89.286268] ? pmd_val+0x88/0x100 [ 89.289705] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 89.295228] mem_cgroup_try_charge_delay+0x1d/0x90 [ 89.300141] __handle_mm_fault+0x25be/0x4470 [ 89.304535] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 89.309366] ? cap_mmap_addr+0x52/0x130 [ 89.313326] ? userfaultfd_unmap_complete+0x32a/0x510 [ 89.318503] ? security_mmap_addr+0x80/0xa0 [ 89.322811] ? lock_acquire+0x1e4/0x540 [ 89.326765] ? handle_mm_fault+0x417/0xc80 [ 89.330983] ? lock_downgrade+0x8f0/0x8f0 [ 89.335116] ? lock_release+0xa30/0xa30 [ 89.339074] ? lock_release+0xa30/0xa30 [ 89.343032] ? down_read_killable+0x200/0x200 [ 89.347531] ? mem_cgroup_from_task+0xcb/0x1f0 [ 89.352095] ? get_mctgt_type+0xde0/0xde0 [ 89.356228] handle_mm_fault+0x53e/0xc80 [ 89.360273] ? __handle_mm_fault+0x4470/0x4470 [ 89.364848] ? find_vma+0x34/0x190 [ 89.368377] __do_page_fault+0x620/0xe50 [ 89.372435] ? mm_fault_error+0x380/0x380 [ 89.376570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.382090] ? __x64_sys_clock_gettime+0x170/0x250 [ 89.387002] ? __ia32_sys_clock_settime+0x290/0x290 [ 89.392028] do_page_fault+0xf6/0x8c0 [ 89.395821] ? vmalloc_sync_all+0x30/0x30 [ 89.399954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.405476] ? do_syscall_64+0x497/0x820 [ 89.409526] ? syscall_return_slowpath+0x5e0/0x5e0 [ 89.414441] ? syscall_return_slowpath+0x31d/0x5e0 [ 89.419370] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 89.424461] ? prepare_exit_to_usermode+0x291/0x3b0 [ 89.429462] ? page_fault+0x8/0x30 [ 89.432984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 89.437809] ? page_fault+0x8/0x30 [ 89.441335] page_fault+0x1e/0x30 [ 89.444776] RIP: 0033:0x40e33f [ 89.447953] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 89.466851] RSP: 002b:00007ffe6bfe9770 EFLAGS: 00010206 [ 89.472201] RAX: 00007f420ee76000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 89.479455] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 89.486707] RBP: 00007ffe6bfe9850 R08: ffffffffffffffff R09: 0000000000000000 [ 89.493957] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe6bfe9940 [ 89.501210] R13: 00007f420ee96700 R14: 0000000000000005 R15: 0000000000000001 [ 89.508514] Task in /ile0 killed as a result of limit of /ile0 [ 89.514548] memory: usage 336kB, limit 0kB, failcnt 16513 [ 89.520112] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 89.526884] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 89.533039] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 89.552483] Tasks state (memory values in pages): [ 89.557343] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 89.566217] [ 6933] 0 6933 9426 534 65536 0 0 syz-executor7 [ 89.575264] [ 6941] 0 6934 9426 1 57344 0 0 syz-executor4 [ 89.584309] Memory cgroup out of memory: Kill process 6933 (syz-executor7) score 550000 or sacrifice child [ 89.594148] Killed process 6933 (syz-executor7) total-vm:37704kB, anon-rss:2136kB, file-rss:0kB, shmem-rss:0kB [ 89.605315] oom_reaper: reaped process 6939 (syz-executor7), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 89.694216] syz-executor3 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 89.706161] syz-executor3 cpuset=/ mems_allowed=0 [ 89.711080] CPU: 0 PID: 6972 Comm: syz-executor3 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 89.719410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.728774] Call Trace: [ 89.731379] dump_stack+0x1c9/0x2b4 [ 89.735029] ? dump_stack_print_info.cold.2+0x52/0x52 [ 89.740235] ? lock_downgrade+0x8f0/0x8f0 [ 89.744392] dump_header+0x27b/0xf70 [ 89.748100] ? trace_hardirqs_on+0x10/0x10 [ 89.752327] ? pagefault_out_of_memory+0x197/0x197 [ 89.757263] ? trace_hardirqs_on+0x10/0x10 [ 89.761498] ? trace_hardirqs_on+0x10/0x10 [ 89.765727] ? rcu_read_unlock+0x16/0x70 [ 89.769785] ? lock_downgrade+0x8f0/0x8f0 [ 89.773921] ? trace_hardirqs_on+0x10/0x10 [ 89.778160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.783689] ? css_next_child+0x1c3/0x620 [ 89.787827] ? find_lock_task_mm+0x230/0x4d0 [ 89.792225] ? cgroup_get_tree+0xb20/0xb20 [ 89.796449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.801976] ? task_will_free_mem+0x239/0xb70 [ 89.806464] ? lock_downgrade+0x8f0/0x8f0 [ 89.810620] ? ___ratelimit+0x36f/0x655 [ 89.814591] ? lock_downgrade+0x8f0/0x8f0 [ 89.818739] ? kasan_check_read+0x11/0x20 [ 89.822881] ? do_raw_spin_unlock+0xa7/0x2f0 [ 89.827273] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 89.831845] ? do_raw_spin_lock+0x200/0x200 [ 89.836157] ? oom_kill_process+0x258/0x290 [ 89.840473] ? lock_downgrade+0x8f0/0x8f0 [ 89.844622] ? trace_hardirqs_on+0xd/0x10 [ 89.848754] ? ___ratelimit+0xaa/0x655 [ 89.852634] ? idr_get_free+0x10d0/0x10d0 [ 89.856789] ? kasan_check_write+0x14/0x20 [ 89.861017] ? do_raw_spin_lock+0xc1/0x200 [ 89.865248] oom_kill_process.cold.28+0x10/0x95a [ 89.869999] ? kasan_check_write+0x14/0x20 [ 89.874236] ? do_raw_spin_lock+0xc1/0x200 [ 89.878477] ? trace_hardirqs_on+0xd/0x10 [ 89.882617] ? oom_evaluate_task+0x540/0x540 [ 89.887013] ? cgroup_procs_next+0x70/0x70 [ 89.891240] ? trace_hardirqs_on+0xd/0x10 [ 89.895387] ? _raw_spin_unlock_irq+0x27/0x70 [ 89.899871] ? oom_badness+0xb00/0xb00 [ 89.903769] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 89.908523] ? mem_cgroup_iter_break+0x30/0x30 [ 89.913098] ? shrink_node+0x16a0/0x16a0 [ 89.917160] ? lock_acquire+0x1e4/0x540 [ 89.921130] ? cgroup_file_notify+0x226/0x2f0 [ 89.925615] out_of_memory+0xa8a/0x14d0 [ 89.929589] ? kasan_check_read+0x11/0x20 [ 89.933751] ? oom_killer_disable+0x3a0/0x3a0 [ 89.938248] ? kasan_check_write+0x14/0x20 [ 89.942482] ? do_raw_spin_lock+0xc1/0x200 [ 89.946707] ? trace_hardirqs_on+0xd/0x10 [ 89.950845] mem_cgroup_out_of_memory+0x15e/0x210 [ 89.955681] ? memcg_memory_event+0x40/0x40 [ 89.960003] ? page_counter_try_charge+0x1c7/0x220 [ 89.964923] try_charge+0x720/0x1680 [ 89.968640] ? lock_acquire+0x1e4/0x540 [ 89.972611] ? fs_reclaim_acquire+0x20/0x20 [ 89.976927] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 89.983671] ? rcu_note_context_switch+0x730/0x730 [ 89.988600] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 89.993432] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 89.998457] memcg_kmem_charge_memcg+0x7c/0x120 [ 90.003131] ? memcg_kmem_put_cache+0xb0/0xb0 [ 90.007625] ? __free_pages+0x10a/0x190 [ 90.011586] cache_grow_begin+0x207/0x710 [ 90.015729] ? do_raw_spin_unlock+0xa7/0x2f0 [ 90.020128] fallback_alloc+0x203/0x2c0 [ 90.024092] ____cache_alloc_node+0x1c7/0x1e0 [ 90.028588] kmem_cache_alloc+0x1e5/0x760 [ 90.032736] ? trace_hardirqs_on+0x10/0x10 [ 90.036961] __alloc_file+0xac/0x400 [ 90.040670] ? file_free_rcu+0x90/0x90 [ 90.044555] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 90.049563] ? bpf_prog_kallsyms_find+0xde/0x4c0 [ 90.054312] ? lock_acquire+0x1e4/0x540 [ 90.058287] ? is_bpf_text_address+0xae/0x170 [ 90.062809] ? lock_downgrade+0x8f0/0x8f0 [ 90.066963] alloc_empty_file+0x72/0x170 [ 90.071028] path_openat+0x15f/0x5300 [ 90.074835] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 90.079502] ? is_bpf_text_address+0xd7/0x170 [ 90.083999] ? kernel_text_address+0x79/0xf0 [ 90.088413] ? __kernel_text_address+0xd/0x40 [ 90.092899] ? path_lookupat.isra.45+0xc00/0xc00 [ 90.097649] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 90.102656] ? expand_files.part.8+0x571/0x9c0 [ 90.107241] ? iterate_fd+0x4b0/0x4b0 [ 90.111038] ? lock_acquire+0x1e4/0x540 [ 90.115017] ? __alloc_fd+0x34e/0x710 [ 90.118829] ? lock_downgrade+0x8f0/0x8f0 [ 90.122982] ? do_sys_open+0x3a2/0x720 [ 90.126862] ? kasan_check_read+0x11/0x20 [ 90.131011] ? do_raw_spin_unlock+0xa7/0x2f0 [ 90.135421] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 90.140008] ? kasan_check_write+0x14/0x20 [ 90.144258] ? do_raw_spin_lock+0xc1/0x200 [ 90.148489] ? _raw_spin_unlock+0x22/0x30 [ 90.152645] ? __alloc_fd+0x34e/0x710 [ 90.156433] ? usercopy_warn+0x120/0x120 [ 90.160487] do_filp_open+0x255/0x380 [ 90.164282] ? may_open_dev+0x100/0x100 [ 90.168249] ? get_unused_fd_flags+0x122/0x1a0 [ 90.172821] ? __alloc_fd+0x710/0x710 [ 90.176616] do_sys_open+0x584/0x720 [ 90.180328] ? filp_open+0x80/0x80 [ 90.183888] ? do_sys_ftruncate+0x44e/0x560 [ 90.188216] __x64_sys_open+0x7e/0xc0 [ 90.192022] do_syscall_64+0x1b9/0x820 [ 90.195918] ? finish_task_switch+0x1d3/0x870 [ 90.200420] ? syscall_return_slowpath+0x5e0/0x5e0 [ 90.205351] ? syscall_return_slowpath+0x31d/0x5e0 [ 90.210293] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 90.215308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.220872] ? prepare_exit_to_usermode+0x291/0x3b0 [ 90.225909] ? perf_trace_sys_enter+0xb10/0xb10 [ 90.230568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 90.235422] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.240606] RIP: 0033:0x410861 [ 90.243800] Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 b4 17 00 00 c3 48 83 ec 08 e8 8a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 d3 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 90.262706] RSP: 002b:00007f03fc123a80 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 90.270411] RAX: ffffffffffffffda RBX: 0000000020000750 RCX: 0000000000410861 [ 90.277687] RDX: 00007f03fc123afa RSI: 0000000000000002 RDI: 00007f03fc123af0 [ 90.284949] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a [ 90.292223] R10: 0000000000000075 R11: 0000000000000293 R12: 0000000000000005 [ 90.299493] R13: 0000000000000000 R14: 00000000004c9491 R15: 0000000000000000 [ 90.307945] Task in /ile0 killed as a result of limit of /ile0 [ 90.313984] memory: usage 336kB, limit 0kB, failcnt 16659 [ 90.319541] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 90.326355] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 90.332549] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 90.352267] Tasks state (memory values in pages): [ 90.357154] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 90.366126] [ 6961] 0 6961 9426 535 65536 0 0 syz-executor1 [ 90.375208] [ 6962] 0 6962 9426 538 61440 0 0 syz-executor2 [ 90.384272] [ 6963] 0 6963 9426 537 65536 0 0 syz-executor6 [ 90.393337] [ 6964] 0 6964 9426 535 61440 0 0 syz-executor0 [ 90.403046] [ 6966] 0 6966 9426 535 65536 0 0 syz-executor5 [ 90.412121] [ 6967] 0 6967 9426 536 61440 0 0 syz-executor4 [ 90.421184] [ 6968] 0 6968 9426 537 65536 0 0 syz-executor3 [ 90.430247] Memory cgroup out of memory: Kill process 6968 (syz-executor3) score 553000 or sacrifice child [ 90.440110] Killed process 6968 (syz-executor3) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 90.451318] oom_reaper: reaped process 6968 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 90.488339] syz-executor6 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 90.500567] syz-executor6 cpuset=/ mems_allowed=0 [ 90.505607] CPU: 1 PID: 6974 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 90.513919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.523276] Call Trace: [ 90.525892] dump_stack+0x1c9/0x2b4 [ 90.529540] ? dump_stack_print_info.cold.2+0x52/0x52 [ 90.535003] ? trace_hardirqs_on+0x10/0x10 [ 90.539258] dump_header+0x27b/0xf70 [ 90.542975] ? pagefault_out_of_memory+0x197/0x197 [ 90.547899] ? do_raw_spin_unlock+0xa7/0x2f0 [ 90.552303] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 90.556886] ? compat_start_thread+0x80/0x80 [ 90.561294] ? trace_hardirqs_on+0x10/0x10 [ 90.565543] ? kasan_check_write+0x14/0x20 [ 90.569870] ? finish_task_switch+0x2ca/0x870 [ 90.574370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.580090] ? css_next_child+0x1c3/0x620 [ 90.584249] ? find_lock_task_mm+0x230/0x4d0 [ 90.588675] ? cgroup_get_tree+0xb20/0xb20 [ 90.592924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.599595] ? task_will_free_mem+0x239/0xb70 [ 90.604129] ? lock_downgrade+0x8f0/0x8f0 [ 90.608283] ? ___ratelimit+0x36f/0x655 [ 90.612275] ? lock_downgrade+0x8f0/0x8f0 [ 90.616873] ? kasan_check_read+0x11/0x20 [ 90.621025] ? do_raw_spin_unlock+0xa7/0x2f0 [ 90.625536] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 90.630117] ? do_raw_spin_lock+0x200/0x200 [ 90.635156] ? oom_kill_process+0x258/0x290 [ 90.639480] ? lock_downgrade+0x8f0/0x8f0 [ 90.643628] ? trace_hardirqs_on+0xd/0x10 [ 90.647779] ? ___ratelimit+0xaa/0x655 [ 90.651661] ? idr_get_free+0x10d0/0x10d0 [ 90.655810] ? kasan_check_write+0x14/0x20 [ 90.660055] ? do_raw_spin_lock+0xc1/0x200 [ 90.664294] oom_kill_process.cold.28+0x10/0x95a [ 90.669049] ? kasan_check_write+0x14/0x20 [ 90.673282] ? do_raw_spin_lock+0xc1/0x200 [ 90.677531] ? trace_hardirqs_on+0xd/0x10 [ 90.681682] ? oom_evaluate_task+0x540/0x540 [ 90.686099] ? cgroup_procs_next+0x70/0x70 [ 90.690332] ? trace_hardirqs_on+0xd/0x10 [ 90.694487] ? _raw_spin_unlock_irq+0x27/0x70 [ 90.698983] ? oom_badness+0xb00/0xb00 [ 90.702879] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 90.707658] ? mem_cgroup_iter_break+0x30/0x30 [ 90.712412] ? shrink_node+0x16a0/0x16a0 [ 90.716478] ? lock_acquire+0x1e4/0x540 [ 90.720458] ? cgroup_file_notify+0x226/0x2f0 [ 90.725038] out_of_memory+0xa8a/0x14d0 [ 90.729009] ? kasan_check_read+0x11/0x20 [ 90.733169] ? oom_killer_disable+0x3a0/0x3a0 [ 90.737666] ? kasan_check_write+0x14/0x20 [ 90.741913] ? do_raw_spin_lock+0xc1/0x200 [ 90.746147] mem_cgroup_out_of_memory+0x15e/0x210 [ 90.750987] ? memcg_memory_event+0x40/0x40 [ 90.755305] ? page_counter_try_charge+0x1c7/0x220 [ 90.760227] try_charge+0x720/0x1680 [ 90.763938] ? lock_acquire+0x1e4/0x540 [ 90.767924] ? fs_reclaim_acquire+0x20/0x20 [ 90.772259] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 90.779027] ? rcu_note_context_switch+0x730/0x730 [ 90.783964] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 90.788810] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 90.793830] memcg_kmem_charge_memcg+0x7c/0x120 [ 90.798499] ? memcg_kmem_put_cache+0xb0/0xb0 [ 90.803012] ? __free_pages+0x10a/0x190 [ 90.806987] cache_grow_begin+0x207/0x710 [ 90.811136] ? do_raw_spin_unlock+0xa7/0x2f0 [ 90.815542] fallback_alloc+0x203/0x2c0 [ 90.819515] ____cache_alloc_node+0x1c7/0x1e0 [ 90.824011] kmem_cache_alloc+0x1e5/0x760 [ 90.828163] ? lock_downgrade+0x8f0/0x8f0 [ 90.832333] ? shmem_destroy_callback+0xc0/0xc0 [ 90.836995] shmem_alloc_inode+0x1b/0x40 [ 90.841050] alloc_inode+0x63/0x190 [ 90.844678] new_inode_pseudo+0x71/0x1a0 [ 90.848737] ? prune_icache_sb+0x1c0/0x1c0 [ 90.853089] ? _raw_spin_unlock+0x22/0x30 [ 90.857235] new_inode+0x1c/0x40 [ 90.860604] shmem_get_inode+0xf1/0x910 [ 90.864582] ? shmem_encode_fh+0x340/0x340 [ 90.868815] ? lock_downgrade+0x8f0/0x8f0 [ 90.872962] ? lock_release+0xa30/0xa30 [ 90.876935] ? check_same_owner+0x340/0x340 [ 90.881265] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 90.886281] ? __check_object_size+0xa3/0x5d7 [ 90.890790] __shmem_file_setup.part.48+0x83/0x2a0 [ 90.895717] shmem_file_setup+0x65/0x90 [ 90.899693] __x64_sys_memfd_create+0x2af/0x4f0 [ 90.904362] ? memfd_fcntl+0x1e80/0x1e80 [ 90.908417] ? ksys_mount+0xa8/0x140 [ 90.912127] do_syscall_64+0x1b9/0x820 [ 90.916011] ? finish_task_switch+0x1d3/0x870 [ 90.920506] ? syscall_return_slowpath+0x5e0/0x5e0 [ 90.925435] ? syscall_return_slowpath+0x31d/0x5e0 [ 90.930388] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 90.935436] ? __switch_to_asm+0x34/0x70 [ 90.939674] ? __switch_to_asm+0x34/0x70 [ 90.943748] ? __switch_to_asm+0x40/0x70 [ 90.947802] ? __switch_to_asm+0x34/0x70 [ 90.951864] ? __switch_to_asm+0x40/0x70 [ 90.955920] ? __switch_to_asm+0x34/0x70 [ 90.959981] ? __switch_to_asm+0x40/0x70 [ 90.964045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 90.968909] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.974090] RIP: 0033:0x456b29 [ 90.977281] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.996455] RSP: 002b:00007f25486a3a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 91.004178] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 91.012573] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 91.019857] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 91.027114] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 91.034377] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 91.042212] Task in /ile0 killed as a result of limit of /ile0 [ 91.048245] memory: usage 340kB, limit 0kB, failcnt 17516 [ 91.053799] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 91.060576] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 91.066736] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 91.086199] Tasks state (memory values in pages): [ 91.091061] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 91.099967] [ 6961] 0 6961 9426 535 65536 0 0 syz-executor1 [ 91.109018] [ 6962] 0 6962 9426 538 61440 0 0 syz-executor2 [ 91.118064] [ 6963] 0 6963 9426 537 65536 0 0 syz-executor6 [ 91.127112] [ 6964] 0 6964 9426 535 61440 0 0 syz-executor0 [ 91.136152] [ 6966] 0 6966 9426 535 65536 0 0 syz-executor5 [ 91.145203] [ 6967] 0 6967 9426 536 61440 0 0 syz-executor4 [ 91.154263] [ 6968] 0 6968 9426 0 61440 0 0 syz-executor3 [ 91.163327] Memory cgroup out of memory: Kill process 6962 (syz-executor2) score 553000 or sacrifice child [ 91.173204] Killed process 6962 (syz-executor2) total-vm:37704kB, anon-rss:2152kB, file-rss:0kB, shmem-rss:0kB [ 91.184890] oom_reaper: reaped process 6962 (syz-executor2), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 91.199086] syz-executor6 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 91.210964] syz-executor6 cpuset=/ mems_allowed=0 [ 91.215854] CPU: 1 PID: 6974 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 91.224173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.233515] Call Trace: [ 91.236098] dump_stack+0x1c9/0x2b4 [ 91.239714] ? dump_stack_print_info.cold.2+0x52/0x52 [ 91.244896] ? trace_hardirqs_on+0x10/0x10 [ 91.249136] dump_header+0x27b/0xf70 [ 91.252864] ? pagefault_out_of_memory+0x197/0x197 [ 91.257784] ? do_raw_spin_unlock+0xa7/0x2f0 [ 91.262195] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 91.266786] ? compat_start_thread+0x80/0x80 [ 91.271198] ? trace_hardirqs_on+0x10/0x10 [ 91.275432] ? kasan_check_write+0x14/0x20 [ 91.279664] ? finish_task_switch+0x2ca/0x870 [ 91.284244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.289774] ? css_next_child+0x1c3/0x620 [ 91.293921] ? find_lock_task_mm+0x230/0x4d0 [ 91.298325] ? cgroup_get_tree+0xb20/0xb20 [ 91.302561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.308092] ? task_will_free_mem+0x239/0xb70 [ 91.312593] ? lock_downgrade+0x8f0/0x8f0 [ 91.316735] ? ___ratelimit+0x36f/0x655 [ 91.320702] ? lock_downgrade+0x8f0/0x8f0 [ 91.324860] ? kasan_check_read+0x11/0x20 [ 91.329006] ? do_raw_spin_unlock+0xa7/0x2f0 [ 91.333415] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 91.337992] ? do_raw_spin_lock+0x200/0x200 [ 91.342310] ? oom_kill_process+0x258/0x290 [ 91.346653] ? lock_downgrade+0x8f0/0x8f0 [ 91.350820] ? oom_unkillable_task+0x424/0x590 [ 91.355413] ? trace_hardirqs_on+0xd/0x10 [ 91.359556] ? ___ratelimit+0xaa/0x655 [ 91.363437] ? idr_get_free+0x10d0/0x10d0 [ 91.367586] ? kasan_check_write+0x14/0x20 [ 91.371822] ? do_raw_spin_lock+0xc1/0x200 [ 91.376360] oom_kill_process.cold.28+0x10/0x95a [ 91.381125] ? kasan_check_write+0x14/0x20 [ 91.385353] ? do_raw_spin_lock+0xc1/0x200 [ 91.389582] ? trace_hardirqs_on+0xd/0x10 [ 91.393720] ? oom_evaluate_task+0x540/0x540 [ 91.398128] ? cgroup_procs_next+0x70/0x70 [ 91.403137] ? trace_hardirqs_on+0xd/0x10 [ 91.407296] ? _raw_spin_unlock_irq+0x27/0x70 [ 91.411786] ? oom_badness+0xb00/0xb00 [ 91.415663] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 91.420412] ? mem_cgroup_iter_break+0x30/0x30 [ 91.424992] ? shrink_node+0x16a0/0x16a0 [ 91.429045] ? lock_acquire+0x1e4/0x540 [ 91.433027] ? cgroup_file_notify+0x226/0x2f0 [ 91.437517] out_of_memory+0xa8a/0x14d0 [ 91.441487] ? kasan_check_read+0x11/0x20 [ 91.445639] ? oom_killer_disable+0x3a0/0x3a0 [ 91.450136] ? kasan_check_write+0x14/0x20 [ 91.454371] ? do_raw_spin_lock+0xc1/0x200 [ 91.458604] mem_cgroup_out_of_memory+0x15e/0x210 [ 91.463439] ? memcg_memory_event+0x40/0x40 [ 91.467780] ? page_counter_try_charge+0x1c7/0x220 [ 91.472708] try_charge+0x720/0x1680 [ 91.476419] ? lock_acquire+0x1e4/0x540 [ 91.480386] ? fs_reclaim_acquire+0x20/0x20 [ 91.484706] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 91.491472] ? rcu_note_context_switch+0x730/0x730 [ 91.496403] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 91.501251] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 91.506279] memcg_kmem_charge_memcg+0x7c/0x120 [ 91.510945] ? memcg_kmem_put_cache+0xb0/0xb0 [ 91.515453] ? __free_pages+0x10a/0x190 [ 91.519424] cache_grow_begin+0x207/0x710 [ 91.523577] ? do_raw_spin_unlock+0xa7/0x2f0 [ 91.527979] fallback_alloc+0x203/0x2c0 [ 91.531952] ____cache_alloc_node+0x1c7/0x1e0 [ 91.536442] kmem_cache_alloc+0x1e5/0x760 [ 91.540581] ? lock_downgrade+0x8f0/0x8f0 [ 91.544722] ? shmem_destroy_callback+0xc0/0xc0 [ 91.549381] shmem_alloc_inode+0x1b/0x40 [ 91.553431] alloc_inode+0x63/0x190 [ 91.557046] new_inode_pseudo+0x71/0x1a0 [ 91.561098] ? prune_icache_sb+0x1c0/0x1c0 [ 91.565321] ? _raw_spin_unlock+0x22/0x30 [ 91.569461] new_inode+0x1c/0x40 [ 91.572814] shmem_get_inode+0xf1/0x910 [ 91.576801] ? shmem_encode_fh+0x340/0x340 [ 91.581027] ? lock_downgrade+0x8f0/0x8f0 [ 91.585167] ? lock_release+0xa30/0xa30 [ 91.589136] ? check_same_owner+0x340/0x340 [ 91.593450] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 91.598714] ? __check_object_size+0xa3/0x5d7 [ 91.603377] __shmem_file_setup.part.48+0x83/0x2a0 [ 91.608299] shmem_file_setup+0x65/0x90 [ 91.612269] __x64_sys_memfd_create+0x2af/0x4f0 [ 91.616929] ? memfd_fcntl+0x1e80/0x1e80 [ 91.620981] ? ksys_mount+0xa8/0x140 [ 91.624698] do_syscall_64+0x1b9/0x820 [ 91.628580] ? finish_task_switch+0x1d3/0x870 [ 91.633073] ? syscall_return_slowpath+0x5e0/0x5e0 [ 91.637991] ? syscall_return_slowpath+0x31d/0x5e0 [ 91.642922] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 91.647944] ? __switch_to_asm+0x34/0x70 [ 91.651997] ? __switch_to_asm+0x34/0x70 [ 91.656060] ? __switch_to_asm+0x40/0x70 [ 91.660109] ? __switch_to_asm+0x34/0x70 [ 91.664158] ? __switch_to_asm+0x40/0x70 [ 91.668206] ? __switch_to_asm+0x34/0x70 [ 91.672253] ? __switch_to_asm+0x40/0x70 [ 91.676307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 91.681145] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.686322] RIP: 0033:0x456b29 [ 91.689508] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.708397] RSP: 002b:00007f25486a3a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 91.716099] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 91.723356] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 91.730614] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 91.737870] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 91.745129] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 91.752955] Task in /ile0 killed as a result of limit of /ile0 [ 91.758992] memory: usage 344kB, limit 0kB, failcnt 17875 [ 91.764548] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 91.771313] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 91.777480] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 91.796915] Tasks state (memory values in pages): [ 91.801829] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 91.810723] [ 6961] 0 6961 9426 535 65536 0 0 syz-executor1 [ 91.819763] [ 6963] 0 6963 9426 537 65536 0 0 syz-executor6 [ 91.828814] [ 6964] 0 6964 9426 535 61440 0 0 syz-executor0 [ 91.837853] [ 6966] 0 6966 9426 535 65536 0 0 syz-executor5 [ 91.846885] [ 6967] 0 6967 9426 536 61440 0 0 syz-executor4 [ 91.855919] Memory cgroup out of memory: Kill process 6963 (syz-executor6) score 553000 or sacrifice child [ 91.865750] Killed process 6963 (syz-executor6) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 91.877903] oom_reaper: reaped process 6963 (syz-executor6), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 91.917897] syz-executor1 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 91.928889] syz-executor1 cpuset=/ mems_allowed=0 [ 91.933814] CPU: 0 PID: 6961 Comm: syz-executor1 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 91.942129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.951501] Call Trace: [ 91.954090] dump_stack+0x1c9/0x2b4 [ 91.957714] ? dump_stack_print_info.cold.2+0x52/0x52 [ 91.962913] ? trace_hardirqs_on+0x10/0x10 [ 91.967161] dump_header+0x27b/0xf70 [ 91.970887] ? pagefault_out_of_memory+0x197/0x197 [ 91.975822] ? do_raw_spin_unlock+0xa7/0x2f0 [ 91.980228] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 91.984808] ? compat_start_thread+0x80/0x80 [ 91.989206] ? trace_hardirqs_on+0x10/0x10 [ 91.993423] ? trace_hardirqs_on+0xd/0x10 [ 91.997558] ? _raw_spin_unlock_irq+0x27/0x70 [ 92.002048] ? finish_task_switch+0x1d3/0x870 [ 92.006534] ? finish_task_switch+0x18a/0x870 [ 92.011018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.016551] ? css_next_child+0x1c3/0x620 [ 92.020688] ? find_lock_task_mm+0x230/0x4d0 [ 92.025089] ? cgroup_get_tree+0xb20/0xb20 [ 92.029323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.034850] ? task_will_free_mem+0x239/0xb70 [ 92.039333] ? lock_downgrade+0x8f0/0x8f0 [ 92.043480] ? ___ratelimit+0x36f/0x655 [ 92.047461] ? lock_downgrade+0x8f0/0x8f0 [ 92.051595] ? kasan_check_read+0x11/0x20 [ 92.055737] ? do_raw_spin_unlock+0xa7/0x2f0 [ 92.060145] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 92.064719] ? do_raw_spin_lock+0x200/0x200 [ 92.069028] ? oom_kill_process+0x258/0x290 [ 92.073345] ? lock_downgrade+0x8f0/0x8f0 [ 92.077487] ? oom_unkillable_task+0x424/0x590 [ 92.082060] ? trace_hardirqs_on+0xd/0x10 [ 92.086201] ? ___ratelimit+0xaa/0x655 [ 92.090078] ? idr_get_free+0x10d0/0x10d0 [ 92.094213] ? kasan_check_write+0x14/0x20 [ 92.098431] ? do_raw_spin_lock+0xc1/0x200 [ 92.102651] oom_kill_process.cold.28+0x10/0x95a [ 92.107393] ? kasan_check_write+0x14/0x20 [ 92.111610] ? do_raw_spin_lock+0xc1/0x200 [ 92.115835] ? trace_hardirqs_on+0xd/0x10 [ 92.119978] ? oom_evaluate_task+0x540/0x540 [ 92.124389] ? cgroup_procs_next+0x70/0x70 [ 92.128620] ? trace_hardirqs_on+0xd/0x10 [ 92.132757] ? _raw_spin_unlock_irq+0x27/0x70 [ 92.137249] ? oom_badness+0xb00/0xb00 [ 92.141125] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 92.145868] ? mem_cgroup_iter_break+0x30/0x30 [ 92.150452] ? shrink_node+0x16a0/0x16a0 [ 92.154509] ? lock_acquire+0x1e4/0x540 [ 92.158472] ? cgroup_file_notify+0x226/0x2f0 [ 92.162952] out_of_memory+0xa8a/0x14d0 [ 92.166927] ? kasan_check_read+0x11/0x20 [ 92.171074] ? oom_killer_disable+0x3a0/0x3a0 [ 92.175576] ? kasan_check_write+0x14/0x20 [ 92.179815] ? do_raw_spin_lock+0xc1/0x200 [ 92.184054] mem_cgroup_out_of_memory+0x15e/0x210 [ 92.188888] ? memcg_memory_event+0x40/0x40 [ 92.193196] ? page_counter_try_charge+0x1c7/0x220 [ 92.198121] try_charge+0x720/0x1680 [ 92.201830] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 92.208573] ? lock_downgrade+0x8f0/0x8f0 [ 92.212711] ? lock_release+0xa30/0xa30 [ 92.216668] ? __anon_vma_prepare+0xc4/0x720 [ 92.221063] ? handle_mm_fault+0x53e/0xc80 [ 92.225282] ? fs_reclaim_acquire+0x20/0x20 [ 92.229599] ? lock_downgrade+0x8f0/0x8f0 [ 92.233735] ? percpu_ref_put_many+0x119/0x240 [ 92.238312] ? get_mem_cgroup_from_mm+0x209/0x440 [ 92.243148] ? get_mem_cgroup_from_page+0x190/0x190 [ 92.248164] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 92.253002] ? lock_acquire+0x1e4/0x540 [ 92.256964] mem_cgroup_try_charge+0x4ff/0xa70 [ 92.261539] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 92.266558] ? mem_cgroup_protected+0xa60/0xa60 [ 92.271224] ? up_write+0x7b/0x220 [ 92.274748] ? up_read+0x110/0x110 [ 92.278290] ? __anon_vma_prepare+0x36d/0x720 [ 92.282794] ? pmd_val+0x88/0x100 [ 92.286249] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 92.291781] mem_cgroup_try_charge_delay+0x1d/0x90 [ 92.296696] __handle_mm_fault+0x25be/0x4470 [ 92.301102] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 92.305934] ? cap_mmap_addr+0x52/0x130 [ 92.309908] ? userfaultfd_unmap_complete+0x32a/0x510 [ 92.315092] ? security_mmap_addr+0x80/0xa0 [ 92.319414] ? lock_acquire+0x1e4/0x540 [ 92.323377] ? handle_mm_fault+0x417/0xc80 [ 92.327609] ? lock_downgrade+0x8f0/0x8f0 [ 92.331750] ? lock_release+0xa30/0xa30 [ 92.335719] ? lock_release+0xa30/0xa30 [ 92.339679] ? down_read_killable+0x200/0x200 [ 92.344160] ? mem_cgroup_from_task+0xcb/0x1f0 [ 92.348730] ? get_mctgt_type+0xde0/0xde0 [ 92.352863] handle_mm_fault+0x53e/0xc80 [ 92.356914] ? __handle_mm_fault+0x4470/0x4470 [ 92.361488] ? find_vma+0x34/0x190 [ 92.365015] __do_page_fault+0x620/0xe50 [ 92.369071] ? mm_fault_error+0x380/0x380 [ 92.373207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.378740] ? __x64_sys_clock_gettime+0x170/0x250 [ 92.383683] ? __ia32_sys_clock_settime+0x290/0x290 [ 92.388704] do_page_fault+0xf6/0x8c0 [ 92.392504] ? vmalloc_sync_all+0x30/0x30 [ 92.396646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.402171] ? do_syscall_64+0x497/0x820 [ 92.406244] ? syscall_return_slowpath+0x5e0/0x5e0 [ 92.411182] ? syscall_return_slowpath+0x31d/0x5e0 [ 92.416108] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 92.421126] ? prepare_exit_to_usermode+0x291/0x3b0 [ 92.426137] ? page_fault+0x8/0x30 [ 92.429669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 92.434505] ? page_fault+0x8/0x30 [ 92.438046] page_fault+0x1e/0x30 [ 92.441481] RIP: 0033:0x40e33f [ 92.444661] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 92.463559] RSP: 002b:00007ffd226d3410 EFLAGS: 00010206 [ 92.468931] RAX: 00007f0481324000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 92.476202] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 92.483457] RBP: 00007ffd226d34f0 R08: ffffffffffffffff R09: 0000000000000000 [ 92.490710] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd226d35e0 [ 92.497972] R13: 00007f0481344700 R14: 0000000000000005 R15: 0000000000000001 [ 92.505788] Task in /ile0 killed as a result of limit of /ile0 [ 92.511811] memory: usage 352kB, limit 0kB, failcnt 18623 [ 92.517362] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 92.524127] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 92.530319] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 92.549777] Tasks state (memory values in pages): [ 92.554637] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 92.563498] [ 6961] 0 6961 9426 535 65536 0 0 syz-executor1 [ 92.572567] [ 6964] 0 6964 9426 535 61440 0 0 syz-executor0 [ 92.581622] [ 6966] 0 6966 9426 535 65536 0 0 syz-executor5 [ 92.591208] [ 6967] 0 6967 9426 536 61440 0 0 syz-executor4 [ 92.600262] [ 6991] 0 6991 9426 537 65536 0 0 syz-executor3 [ 92.609330] Memory cgroup out of memory: Kill process 6961 (syz-executor1) score 551000 or sacrifice child [ 92.619173] Killed process 6961 (syz-executor1) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 92.630776] oom_reaper: reaped process 6961 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 92.640994] syz-executor0 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 92.651938] syz-executor0 cpuset=/ mems_allowed=0 [ 92.656805] CPU: 1 PID: 6964 Comm: syz-executor0 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 92.665101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.674458] Call Trace: [ 92.677041] dump_stack+0x1c9/0x2b4 [ 92.680657] ? dump_stack_print_info.cold.2+0x52/0x52 [ 92.685837] ? trace_hardirqs_on+0x10/0x10 [ 92.690063] dump_header+0x27b/0xf70 [ 92.693765] ? pagefault_out_of_memory+0x197/0x197 [ 92.698684] ? do_raw_spin_unlock+0xa7/0x2f0 [ 92.703086] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 92.707667] ? compat_start_thread+0x80/0x80 [ 92.712068] ? trace_hardirqs_on+0x10/0x10 [ 92.716298] ? trace_hardirqs_on+0xd/0x10 [ 92.720441] ? _raw_spin_unlock_irq+0x27/0x70 [ 92.724928] ? finish_task_switch+0x1d3/0x870 [ 92.729407] ? finish_task_switch+0x18a/0x870 [ 92.733896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.739432] ? css_next_child+0x1c3/0x620 [ 92.743573] ? find_lock_task_mm+0x230/0x4d0 [ 92.747978] ? cgroup_get_tree+0xb20/0xb20 [ 92.752208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.757751] ? task_will_free_mem+0x239/0xb70 [ 92.762242] ? lock_downgrade+0x8f0/0x8f0 [ 92.766377] ? ___ratelimit+0x36f/0x655 [ 92.770351] ? lock_downgrade+0x8f0/0x8f0 [ 92.774493] ? kasan_check_read+0x11/0x20 [ 92.778627] ? do_raw_spin_unlock+0xa7/0x2f0 [ 92.783020] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 92.787588] ? do_raw_spin_lock+0x200/0x200 [ 92.791905] ? oom_kill_process+0x258/0x290 [ 92.796228] ? lock_downgrade+0x8f0/0x8f0 [ 92.800370] ? trace_hardirqs_on+0xd/0x10 [ 92.804511] ? ___ratelimit+0xaa/0x655 [ 92.808400] ? idr_get_free+0x10d0/0x10d0 [ 92.812542] ? kasan_check_write+0x14/0x20 [ 92.816764] ? do_raw_spin_lock+0xc1/0x200 [ 92.820996] oom_kill_process.cold.28+0x10/0x95a [ 92.825741] ? kasan_check_write+0x14/0x20 [ 92.829959] ? do_raw_spin_lock+0xc1/0x200 [ 92.834183] ? trace_hardirqs_on+0xd/0x10 [ 92.838325] ? oom_evaluate_task+0x540/0x540 [ 92.842728] ? cgroup_procs_next+0x70/0x70 [ 92.846953] ? trace_hardirqs_on+0xd/0x10 [ 92.851092] ? _raw_spin_unlock_irq+0x27/0x70 [ 92.855591] ? oom_badness+0xb00/0xb00 [ 92.859471] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 92.864215] ? mem_cgroup_iter_break+0x30/0x30 [ 92.868799] ? shrink_node+0x16a0/0x16a0 [ 92.872852] ? lock_acquire+0x1e4/0x540 [ 92.876827] ? cgroup_file_notify+0x226/0x2f0 [ 92.881314] out_of_memory+0xa8a/0x14d0 [ 92.885284] ? kasan_check_read+0x11/0x20 [ 92.889425] ? oom_killer_disable+0x3a0/0x3a0 [ 92.893907] ? kasan_check_write+0x14/0x20 [ 92.898129] ? do_raw_spin_lock+0xc1/0x200 [ 92.902358] mem_cgroup_out_of_memory+0x15e/0x210 [ 92.907190] ? memcg_memory_event+0x40/0x40 [ 92.911530] ? page_counter_try_charge+0x1c7/0x220 [ 92.916456] try_charge+0x720/0x1680 [ 92.920171] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 92.926924] ? lock_downgrade+0x8f0/0x8f0 [ 92.931064] ? lock_release+0xa30/0xa30 [ 92.935027] ? __anon_vma_prepare+0xc4/0x720 [ 92.939421] ? handle_mm_fault+0x53e/0xc80 [ 92.943648] ? fs_reclaim_acquire+0x20/0x20 [ 92.947957] ? lock_downgrade+0x8f0/0x8f0 [ 92.952092] ? percpu_ref_put_many+0x119/0x240 [ 92.956662] ? get_mem_cgroup_from_mm+0x209/0x440 [ 92.961494] ? get_mem_cgroup_from_page+0x190/0x190 [ 92.966502] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 92.971353] ? lock_acquire+0x1e4/0x540 [ 92.975315] mem_cgroup_try_charge+0x4ff/0xa70 [ 92.979888] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 92.984893] ? mem_cgroup_protected+0xa60/0xa60 [ 92.989567] ? up_write+0x7b/0x220 [ 92.993095] ? up_read+0x110/0x110 [ 92.996630] ? __anon_vma_prepare+0x36d/0x720 [ 93.001117] ? pmd_val+0x88/0x100 [ 93.004561] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 93.010094] mem_cgroup_try_charge_delay+0x1d/0x90 [ 93.015019] __handle_mm_fault+0x25be/0x4470 [ 93.019416] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 93.024245] ? cap_mmap_addr+0x52/0x130 [ 93.028224] ? userfaultfd_unmap_complete+0x32a/0x510 [ 93.033402] ? security_mmap_addr+0x80/0xa0 [ 93.037720] ? lock_acquire+0x1e4/0x540 [ 93.041678] ? handle_mm_fault+0x417/0xc80 [ 93.045915] ? lock_downgrade+0x8f0/0x8f0 [ 93.050051] ? lock_release+0xa30/0xa30 [ 93.054013] ? lock_release+0xa30/0xa30 [ 93.057972] ? down_read_killable+0x200/0x200 [ 93.062457] ? mem_cgroup_from_task+0xcb/0x1f0 [ 93.067025] ? get_mctgt_type+0xde0/0xde0 [ 93.071174] handle_mm_fault+0x53e/0xc80 [ 93.075226] ? __handle_mm_fault+0x4470/0x4470 [ 93.079807] ? find_vma+0x34/0x190 [ 93.083343] __do_page_fault+0x620/0xe50 [ 93.087395] ? mm_fault_error+0x380/0x380 [ 93.091633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.097159] ? __x64_sys_clock_gettime+0x170/0x250 [ 93.102089] ? __ia32_sys_clock_settime+0x290/0x290 [ 93.107098] do_page_fault+0xf6/0x8c0 [ 93.110889] ? vmalloc_sync_all+0x30/0x30 [ 93.115027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.120565] ? do_syscall_64+0x497/0x820 [ 93.124613] ? syscall_return_slowpath+0x5e0/0x5e0 [ 93.129527] ? syscall_return_slowpath+0x31d/0x5e0 [ 93.134446] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 93.139451] ? prepare_exit_to_usermode+0x291/0x3b0 [ 93.144454] ? page_fault+0x8/0x30 [ 93.147983] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 93.152815] ? page_fault+0x8/0x30 [ 93.156347] page_fault+0x1e/0x30 [ 93.159786] RIP: 0033:0x40e33f [ 93.162970] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 93.181861] RSP: 002b:00007ffc77b42e00 EFLAGS: 00010206 [ 93.187211] RAX: 00007fd964f21000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 93.194469] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 93.201724] RBP: 00007ffc77b42ee0 R08: ffffffffffffffff R09: 0000000000000000 [ 93.208980] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77b42fd0 [ 93.216235] R13: 00007fd964f41700 R14: 0000000000000005 R15: 0000000000000001 [ 93.223660] Task in /ile0 killed as a result of limit of /ile0 [ 93.229706] memory: usage 356kB, limit 0kB, failcnt 18863 [ 93.235252] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 93.242031] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 93.248183] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 93.267625] Tasks state (memory values in pages): [ 93.272482] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 93.281410] [ 6964] 0 6964 9426 535 61440 0 0 syz-executor0 [ 93.290442] [ 6966] 0 6966 9426 535 65536 0 0 syz-executor5 [ 93.299473] [ 6967] 0 6967 9426 536 61440 0 0 syz-executor4 [ 93.308519] [ 6991] 0 6991 9426 537 65536 0 0 syz-executor3 2018/08/05 10:45:13 executed programs: 116 [ 93.317558] Memory cgroup out of memory: Kill process 6991 (syz-executor3) score 553000 or sacrifice child [ 93.327394] Killed process 6991 (syz-executor3) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 93.338604] oom_reaper: reaped process 6991 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 93.351040] oom_reaper: reaped process 6967 (syz-executor4), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 93.432435] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 93.444452] syz-executor0 cpuset=/ mems_allowed=0 [ 93.449375] CPU: 0 PID: 7017 Comm: syz-executor0 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 93.457695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.467053] Call Trace: [ 93.469654] dump_stack+0x1c9/0x2b4 [ 93.473306] ? dump_stack_print_info.cold.2+0x52/0x52 [ 93.478499] ? lock_downgrade+0x8f0/0x8f0 [ 93.482658] dump_header+0x27b/0xf70 [ 93.486381] ? trace_hardirqs_on+0x10/0x10 [ 93.490613] ? pagefault_out_of_memory+0x197/0x197 [ 93.495532] ? trace_hardirqs_on+0x10/0x10 [ 93.499762] ? trace_hardirqs_on+0x10/0x10 [ 93.503985] ? rcu_read_unlock+0x16/0x70 [ 93.508052] ? lock_downgrade+0x8f0/0x8f0 [ 93.512189] ? trace_hardirqs_on+0x10/0x10 [ 93.516431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.521981] ? css_next_child+0x1c3/0x620 [ 93.526132] ? find_lock_task_mm+0x230/0x4d0 [ 93.530541] ? cgroup_get_tree+0xb20/0xb20 [ 93.534761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.540282] ? task_will_free_mem+0x239/0xb70 [ 93.544768] ? lock_downgrade+0x8f0/0x8f0 [ 93.548908] ? ___ratelimit+0x36f/0x655 [ 93.552867] ? lock_downgrade+0x8f0/0x8f0 [ 93.557009] ? kasan_check_read+0x11/0x20 [ 93.561154] ? do_raw_spin_unlock+0xa7/0x2f0 [ 93.565565] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 93.570153] ? do_raw_spin_lock+0x200/0x200 [ 93.574482] ? oom_kill_process+0x258/0x290 [ 93.578804] ? lock_downgrade+0x8f0/0x8f0 [ 93.582957] ? trace_hardirqs_on+0xd/0x10 [ 93.587101] ? ___ratelimit+0xaa/0x655 [ 93.590978] ? idr_get_free+0x10d0/0x10d0 [ 93.595112] ? kasan_check_write+0x14/0x20 [ 93.599337] ? do_raw_spin_lock+0xc1/0x200 [ 93.603570] oom_kill_process.cold.28+0x10/0x95a [ 93.608324] ? kasan_check_write+0x14/0x20 [ 93.612553] ? do_raw_spin_lock+0xc1/0x200 [ 93.616772] ? trace_hardirqs_on+0xd/0x10 [ 93.620906] ? oom_evaluate_task+0x540/0x540 [ 93.625306] ? cgroup_procs_next+0x70/0x70 [ 93.629535] ? trace_hardirqs_on+0xd/0x10 [ 93.633684] ? _raw_spin_unlock_irq+0x27/0x70 [ 93.638169] ? oom_badness+0xb00/0xb00 [ 93.642052] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 93.646801] ? mem_cgroup_iter_break+0x30/0x30 [ 93.651380] ? shrink_node+0x16a0/0x16a0 [ 93.655442] ? lock_acquire+0x1e4/0x540 [ 93.659412] ? cgroup_file_notify+0x226/0x2f0 [ 93.663910] out_of_memory+0xa8a/0x14d0 [ 93.667876] ? kasan_check_read+0x11/0x20 [ 93.672024] ? oom_killer_disable+0x3a0/0x3a0 [ 93.676512] ? kasan_check_write+0x14/0x20 [ 93.680734] ? do_raw_spin_lock+0xc1/0x200 [ 93.684959] ? trace_hardirqs_on+0xd/0x10 [ 93.689112] mem_cgroup_out_of_memory+0x15e/0x210 [ 93.693943] ? memcg_memory_event+0x40/0x40 [ 93.698264] ? page_counter_try_charge+0x1c7/0x220 [ 93.703182] try_charge+0x720/0x1680 [ 93.706889] ? lock_acquire+0x1e4/0x540 [ 93.710855] ? fs_reclaim_acquire+0x20/0x20 [ 93.715189] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 93.721939] ? rcu_note_context_switch+0x730/0x730 [ 93.726862] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 93.731706] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 93.736718] memcg_kmem_charge_memcg+0x7c/0x120 [ 93.741389] ? memcg_kmem_put_cache+0xb0/0xb0 [ 93.745873] ? __free_pages+0x10a/0x190 [ 93.749839] cache_grow_begin+0x207/0x710 [ 93.754001] ? do_raw_spin_unlock+0xa7/0x2f0 [ 93.758410] fallback_alloc+0x203/0x2c0 [ 93.762387] ____cache_alloc_node+0x1c7/0x1e0 [ 93.766906] kmem_cache_alloc+0x1e5/0x760 [ 93.771147] ? trace_hardirqs_on+0x10/0x10 [ 93.775388] __alloc_file+0xac/0x400 [ 93.779096] ? file_free_rcu+0x90/0x90 [ 93.782976] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 93.787992] ? bpf_prog_kallsyms_find+0xde/0x4c0 [ 93.792745] ? lock_acquire+0x1e4/0x540 [ 93.796731] ? is_bpf_text_address+0xae/0x170 [ 93.801230] ? lock_downgrade+0x8f0/0x8f0 [ 93.805382] alloc_empty_file+0x72/0x170 [ 93.809452] path_openat+0x15f/0x5300 [ 93.813260] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 93.817920] ? is_bpf_text_address+0xd7/0x170 [ 93.822409] ? kernel_text_address+0x79/0xf0 [ 93.826803] ? __kernel_text_address+0xd/0x40 [ 93.831292] ? path_lookupat.isra.45+0xc00/0xc00 [ 93.836045] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 93.841073] ? expand_files.part.8+0x571/0x9c0 [ 93.845663] ? iterate_fd+0x4b0/0x4b0 [ 93.849468] ? lock_acquire+0x1e4/0x540 [ 93.853434] ? __alloc_fd+0x34e/0x710 [ 93.857226] ? lock_downgrade+0x8f0/0x8f0 [ 93.861375] ? do_sys_open+0x3a2/0x720 [ 93.865264] ? kasan_check_read+0x11/0x20 [ 93.869423] ? do_raw_spin_unlock+0xa7/0x2f0 [ 93.873833] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 93.878504] ? kasan_check_write+0x14/0x20 [ 93.882741] ? do_raw_spin_lock+0xc1/0x200 [ 93.886977] ? _raw_spin_unlock+0x22/0x30 [ 93.891115] ? __alloc_fd+0x34e/0x710 [ 93.894910] ? usercopy_warn+0x120/0x120 [ 93.898978] do_filp_open+0x255/0x380 [ 93.902770] ? may_open_dev+0x100/0x100 [ 93.906734] ? get_unused_fd_flags+0x122/0x1a0 [ 93.911302] ? __alloc_fd+0x710/0x710 [ 93.915102] do_sys_open+0x584/0x720 [ 93.918827] ? filp_open+0x80/0x80 [ 93.922367] ? do_sys_ftruncate+0x44e/0x560 [ 93.926692] __x64_sys_open+0x7e/0xc0 [ 93.930496] do_syscall_64+0x1b9/0x820 [ 93.934379] ? syscall_return_slowpath+0x5e0/0x5e0 [ 93.939307] ? syscall_return_slowpath+0x31d/0x5e0 [ 93.944225] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 93.949244] ? __switch_to_asm+0x34/0x70 [ 93.953294] ? __switch_to_asm+0x34/0x70 [ 93.957345] ? __switch_to_asm+0x40/0x70 [ 93.961406] ? __switch_to_asm+0x34/0x70 [ 93.965469] ? __switch_to_asm+0x34/0x70 [ 93.969526] ? __switch_to_asm+0x40/0x70 [ 93.973582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 93.978429] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.983608] RIP: 0033:0x410861 [ 93.986796] Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 b4 17 00 00 c3 48 83 ec 08 e8 8a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 d3 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 94.005780] RSP: 002b:00007fd964f61a80 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 94.013478] RAX: ffffffffffffffda RBX: 0000000020000750 RCX: 0000000000410861 [ 94.020824] RDX: 00007fd964f61afa RSI: 0000000000000002 RDI: 00007fd964f61af0 [ 94.028088] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a [ 94.035357] R10: 0000000000000075 R11: 0000000000000293 R12: 0000000000000005 [ 94.043053] R13: 0000000000000000 R14: 00000000004c9491 R15: 0000000000000000 [ 94.050390] Task in /ile0 killed as a result of limit of /ile0 [ 94.056413] memory: usage 368kB, limit 0kB, failcnt 18960 [ 94.062002] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 94.068787] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 94.074965] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 94.094423] Tasks state (memory values in pages): [ 94.099312] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 94.108185] [ 7007] 0 7007 9426 537 65536 0 0 syz-executor6 [ 94.117255] [ 7009] 0 7009 9426 534 65536 0 0 syz-executor7 [ 94.126318] [ 7010] 0 7010 9426 535 61440 0 0 syz-executor0 [ 94.135474] [ 7012] 0 7012 9426 535 65536 0 0 syz-executor1 [ 94.144537] [ 7014] 0 7014 9426 536 61440 0 0 syz-executor4 [ 94.153599] [ 7015] 0 7015 9426 537 65536 0 0 syz-executor3 [ 94.162648] Memory cgroup out of memory: Kill process 7010 (syz-executor0) score 550000 or sacrifice child [ 94.172502] Killed process 7010 (syz-executor0) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 94.183643] oom_reaper: reaped process 7010 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 94.202657] syz-executor4 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 94.214551] syz-executor4 cpuset=/ mems_allowed=0 [ 94.219421] CPU: 1 PID: 7020 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 94.227735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.237071] Call Trace: [ 94.239650] dump_stack+0x1c9/0x2b4 [ 94.243270] ? dump_stack_print_info.cold.2+0x52/0x52 [ 94.248466] ? trace_hardirqs_on+0x10/0x10 [ 94.252701] dump_header+0x27b/0xf70 [ 94.256416] ? pagefault_out_of_memory+0x197/0x197 [ 94.261338] ? do_raw_spin_unlock+0xa7/0x2f0 [ 94.265739] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 94.270314] ? compat_start_thread+0x80/0x80 [ 94.274727] ? trace_hardirqs_on+0x10/0x10 [ 94.278965] ? kasan_check_write+0x14/0x20 [ 94.283189] ? finish_task_switch+0x2ca/0x870 [ 94.287689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.293218] ? css_next_child+0x1c3/0x620 [ 94.297365] ? find_lock_task_mm+0x230/0x4d0 [ 94.301783] ? cgroup_get_tree+0xb20/0xb20 [ 94.306024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.311677] ? task_will_free_mem+0x239/0xb70 [ 94.316172] ? lock_downgrade+0x8f0/0x8f0 [ 94.320314] ? ___ratelimit+0x36f/0x655 [ 94.324283] ? lock_downgrade+0x8f0/0x8f0 [ 94.328426] ? kasan_check_read+0x11/0x20 [ 94.332565] ? do_raw_spin_unlock+0xa7/0x2f0 [ 94.336965] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 94.341540] ? do_raw_spin_lock+0x200/0x200 [ 94.345849] ? oom_kill_process+0x258/0x290 [ 94.350164] ? lock_downgrade+0x8f0/0x8f0 [ 94.354580] ? trace_hardirqs_on+0xd/0x10 [ 94.358738] ? ___ratelimit+0xaa/0x655 [ 94.362617] ? idr_get_free+0x10d0/0x10d0 [ 94.366776] ? kasan_check_write+0x14/0x20 [ 94.371009] ? do_raw_spin_lock+0xc1/0x200 [ 94.375255] oom_kill_process.cold.28+0x10/0x95a [ 94.380010] ? kasan_check_write+0x14/0x20 [ 94.384235] ? do_raw_spin_lock+0xc1/0x200 [ 94.388468] ? trace_hardirqs_on+0xd/0x10 [ 94.392611] ? oom_evaluate_task+0x540/0x540 [ 94.397031] ? cgroup_procs_next+0x70/0x70 [ 94.401259] ? trace_hardirqs_on+0xd/0x10 [ 94.405409] ? _raw_spin_unlock_irq+0x27/0x70 [ 94.409930] ? oom_badness+0xb00/0xb00 [ 94.413822] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 94.419573] ? mem_cgroup_iter_break+0x30/0x30 [ 94.424150] ? shrink_node+0x16a0/0x16a0 [ 94.428205] ? lock_acquire+0x1e4/0x540 [ 94.432177] ? cgroup_file_notify+0x226/0x2f0 [ 94.436678] out_of_memory+0xa8a/0x14d0 [ 94.440653] ? kasan_check_read+0x11/0x20 [ 94.444812] ? oom_killer_disable+0x3a0/0x3a0 [ 94.449297] ? kasan_check_write+0x14/0x20 [ 94.453525] ? do_raw_spin_lock+0xc1/0x200 [ 94.457765] mem_cgroup_out_of_memory+0x15e/0x210 [ 94.462623] ? memcg_memory_event+0x40/0x40 [ 94.466957] ? page_counter_try_charge+0x1c7/0x220 [ 94.471892] try_charge+0x720/0x1680 [ 94.475604] ? lock_acquire+0x1e4/0x540 [ 94.479571] ? fs_reclaim_acquire+0x20/0x20 [ 94.483891] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 94.490642] ? rcu_note_context_switch+0x730/0x730 [ 94.495569] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 94.500403] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 94.505426] memcg_kmem_charge_memcg+0x7c/0x120 [ 94.510096] ? memcg_kmem_put_cache+0xb0/0xb0 [ 94.514586] ? __free_pages+0x10a/0x190 [ 94.518568] cache_grow_begin+0x207/0x710 [ 94.522708] ? do_raw_spin_unlock+0xa7/0x2f0 [ 94.527123] fallback_alloc+0x203/0x2c0 [ 94.531095] ____cache_alloc_node+0x1c7/0x1e0 [ 94.535601] kmem_cache_alloc+0x1e5/0x760 [ 94.539746] ? lock_downgrade+0x8f0/0x8f0 [ 94.543887] ? shmem_destroy_callback+0xc0/0xc0 [ 94.548556] shmem_alloc_inode+0x1b/0x40 [ 94.552609] alloc_inode+0x63/0x190 [ 94.556225] new_inode_pseudo+0x71/0x1a0 [ 94.560273] ? prune_icache_sb+0x1c0/0x1c0 [ 94.564501] ? _raw_spin_unlock+0x22/0x30 [ 94.568658] new_inode+0x1c/0x40 [ 94.572016] shmem_get_inode+0xf1/0x910 [ 94.575985] ? shmem_encode_fh+0x340/0x340 [ 94.580212] ? lock_downgrade+0x8f0/0x8f0 [ 94.584366] ? lock_release+0xa30/0xa30 [ 94.588332] ? check_same_owner+0x340/0x340 [ 94.592652] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 94.597666] ? __check_object_size+0xa3/0x5d7 [ 94.602157] __shmem_file_setup.part.48+0x83/0x2a0 [ 94.607101] shmem_file_setup+0x65/0x90 [ 94.611067] __x64_sys_memfd_create+0x2af/0x4f0 [ 94.615734] ? memfd_fcntl+0x1e80/0x1e80 [ 94.619789] ? ksys_mount+0xa8/0x140 [ 94.623508] do_syscall_64+0x1b9/0x820 [ 94.627400] ? syscall_return_slowpath+0x5e0/0x5e0 [ 94.632334] ? syscall_return_slowpath+0x31d/0x5e0 [ 94.637263] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 94.642274] ? __switch_to_asm+0x34/0x70 [ 94.646324] ? __switch_to_asm+0x34/0x70 [ 94.650378] ? __switch_to_asm+0x40/0x70 [ 94.654428] ? __switch_to_asm+0x34/0x70 [ 94.658478] ? __switch_to_asm+0x34/0x70 [ 94.662531] ? __switch_to_asm+0x40/0x70 [ 94.666587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 94.671443] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.676626] RIP: 0033:0x456b29 [ 94.679811] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.698712] RSP: 002b:00007f834cd28a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 94.706418] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 94.713700] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 94.720971] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 94.728249] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 94.735518] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 94.743102] Task in /ile0 killed as a result of limit of /ile0 [ 94.749169] memory: usage 364kB, limit 0kB, failcnt 19529 [ 94.754744] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 94.761514] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 94.767669] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 94.787108] Tasks state (memory values in pages): [ 94.791984] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 94.800970] [ 7007] 0 7007 9426 537 65536 0 0 syz-executor6 [ 94.810010] [ 7009] 0 7009 9426 534 65536 0 0 syz-executor7 [ 94.819061] [ 7010] 0 7010 9426 0 57344 0 0 syz-executor0 [ 94.828102] [ 7012] 0 7012 9426 535 65536 0 0 syz-executor1 [ 94.837158] [ 7014] 0 7014 9426 536 61440 0 0 syz-executor4 [ 94.846213] [ 7015] 0 7015 9426 537 65536 0 0 syz-executor3 [ 94.855254] Memory cgroup out of memory: Kill process 7007 (syz-executor6) score 553000 or sacrifice child [ 94.865091] Killed process 7007 (syz-executor6) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 94.877228] oom_reaper: reaped process 7007 (syz-executor6), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 94.887123] syz-executor6 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 94.897995] syz-executor6 cpuset=/ mems_allowed=0 [ 94.902924] CPU: 1 PID: 7007 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 94.911255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.920619] Call Trace: [ 94.923231] dump_stack+0x1c9/0x2b4 [ 94.926879] ? dump_stack_print_info.cold.2+0x52/0x52 [ 94.932088] ? trace_hardirqs_on+0x10/0x10 [ 94.936344] dump_header+0x27b/0xf70 [ 94.940072] ? trace_hardirqs_on+0x10/0x10 [ 94.944327] ? __switch_to_asm+0x40/0x70 [ 94.948404] ? pagefault_out_of_memory+0x197/0x197 [ 94.953347] ? __switch_to_asm+0x40/0x70 [ 94.957421] ? __switch_to_asm+0x34/0x70 [ 94.961487] ? __switch_to_asm+0x40/0x70 [ 94.965551] ? __switch_to_asm+0x34/0x70 [ 94.969608] ? __switch_to_asm+0x40/0x70 [ 94.973652] ? __switch_to_asm+0x34/0x70 [ 94.977723] ? __switch_to_asm+0x40/0x70 [ 94.981785] ? trace_hardirqs_on+0x10/0x10 [ 94.986015] ? __schedule+0x884/0x1ec0 [ 94.989898] ? finish_task_switch+0x1d3/0x870 [ 94.994385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.999908] ? css_next_child+0x1c3/0x620 [ 95.004042] ? find_lock_task_mm+0x230/0x4d0 [ 95.008447] ? cgroup_get_tree+0xb20/0xb20 [ 95.012668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.018202] ? task_will_free_mem+0x239/0xb70 [ 95.022715] ? lock_downgrade+0x8f0/0x8f0 [ 95.026860] ? ___ratelimit+0x36f/0x655 [ 95.030841] ? lock_downgrade+0x8f0/0x8f0 [ 95.034995] ? kasan_check_read+0x11/0x20 [ 95.039136] ? do_raw_spin_unlock+0xa7/0x2f0 [ 95.043538] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 95.048116] ? do_raw_spin_lock+0x200/0x200 [ 95.052431] ? oom_kill_process+0x258/0x290 [ 95.056751] ? lock_downgrade+0x8f0/0x8f0 [ 95.060889] ? trace_hardirqs_on+0xd/0x10 [ 95.065031] ? ___ratelimit+0xaa/0x655 [ 95.068920] ? idr_get_free+0x10d0/0x10d0 [ 95.073061] ? kasan_check_write+0x14/0x20 [ 95.077292] ? do_raw_spin_lock+0xc1/0x200 [ 95.081529] oom_kill_process.cold.28+0x10/0x95a [ 95.086281] ? kasan_check_write+0x14/0x20 [ 95.090506] ? do_raw_spin_lock+0xc1/0x200 [ 95.094731] ? trace_hardirqs_on+0xd/0x10 [ 95.098872] ? oom_evaluate_task+0x540/0x540 [ 95.103284] ? cgroup_procs_next+0x70/0x70 [ 95.107510] ? trace_hardirqs_on+0xd/0x10 [ 95.111648] ? _raw_spin_unlock_irq+0x27/0x70 [ 95.116129] ? oom_badness+0xb00/0xb00 [ 95.120006] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 95.124759] ? mem_cgroup_iter_break+0x30/0x30 [ 95.129359] ? shrink_node+0x16a0/0x16a0 [ 95.133431] ? lock_acquire+0x1e4/0x540 [ 95.137406] ? cgroup_file_notify+0x226/0x2f0 [ 95.141893] out_of_memory+0xa8a/0x14d0 [ 95.145863] ? kasan_check_read+0x11/0x20 [ 95.150021] ? oom_killer_disable+0x3a0/0x3a0 [ 95.154509] ? kasan_check_write+0x14/0x20 [ 95.158740] ? do_raw_spin_lock+0xc1/0x200 [ 95.162974] mem_cgroup_out_of_memory+0x15e/0x210 [ 95.167821] ? memcg_memory_event+0x40/0x40 [ 95.172145] ? page_counter_try_charge+0x1c7/0x220 [ 95.177258] try_charge+0x720/0x1680 [ 95.180984] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 95.187746] ? lock_downgrade+0x8f0/0x8f0 [ 95.191906] ? lock_release+0xa30/0xa30 [ 95.195886] ? __anon_vma_prepare+0xc4/0x720 [ 95.200284] ? handle_mm_fault+0x53e/0xc80 [ 95.204513] ? fs_reclaim_acquire+0x20/0x20 [ 95.208834] ? lock_downgrade+0x8f0/0x8f0 [ 95.212973] ? percpu_ref_put_many+0x119/0x240 [ 95.217558] ? get_mem_cgroup_from_mm+0x209/0x440 [ 95.222391] ? get_mem_cgroup_from_page+0x190/0x190 [ 95.227425] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 95.232272] ? lock_acquire+0x1e4/0x540 [ 95.236248] mem_cgroup_try_charge+0x4ff/0xa70 [ 95.240836] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 95.245853] ? mem_cgroup_protected+0xa60/0xa60 [ 95.250518] ? up_write+0x7b/0x220 [ 95.254046] ? up_read+0x110/0x110 [ 95.257588] ? __anon_vma_prepare+0x36d/0x720 [ 95.262085] ? pmd_val+0x88/0x100 [ 95.265524] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 95.271052] mem_cgroup_try_charge_delay+0x1d/0x90 [ 95.275969] __handle_mm_fault+0x25be/0x4470 [ 95.280377] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 95.285207] ? cap_mmap_addr+0x52/0x130 [ 95.289179] ? userfaultfd_unmap_complete+0x32a/0x510 [ 95.294361] ? security_mmap_addr+0x80/0xa0 [ 95.298695] ? lock_acquire+0x1e4/0x540 [ 95.302659] ? handle_mm_fault+0x417/0xc80 [ 95.306889] ? lock_downgrade+0x8f0/0x8f0 [ 95.311029] ? lock_release+0xa30/0xa30 [ 95.314999] ? lock_release+0xa30/0xa30 [ 95.318966] ? down_read_killable+0x200/0x200 [ 95.323460] ? mem_cgroup_from_task+0xcb/0x1f0 [ 95.328035] ? get_mctgt_type+0xde0/0xde0 [ 95.332183] handle_mm_fault+0x53e/0xc80 [ 95.336231] ? __handle_mm_fault+0x4470/0x4470 [ 95.340812] ? find_vma+0x34/0x190 [ 95.344356] __do_page_fault+0x620/0xe50 [ 95.348415] ? mm_fault_error+0x380/0x380 [ 95.352563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.358098] ? __x64_sys_clock_gettime+0x170/0x250 [ 95.363383] ? __ia32_sys_clock_settime+0x290/0x290 [ 95.368409] do_page_fault+0xf6/0x8c0 [ 95.372214] ? vmalloc_sync_all+0x30/0x30 [ 95.376360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.381905] ? do_syscall_64+0x497/0x820 [ 95.385963] ? syscall_return_slowpath+0x5e0/0x5e0 [ 95.390888] ? syscall_return_slowpath+0x31d/0x5e0 [ 95.395803] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 95.400815] ? prepare_exit_to_usermode+0x291/0x3b0 [ 95.405820] ? page_fault+0x8/0x30 [ 95.409357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 95.414197] ? page_fault+0x8/0x30 [ 95.417739] page_fault+0x1e/0x30 [ 95.421185] RIP: 0033:0x40e33f [ 95.424379] Code: Bad RIP value. [ 95.427737] RSP: 002b:00007fff21f1c920 EFLAGS: 00010206 [ 95.433087] RAX: 00007f2548663000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 95.440352] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 95.448004] RBP: 00007fff21f1ca00 R08: ffffffffffffffff R09: 0000000000000000 [ 95.455258] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff21f1caf0 [ 95.462525] R13: 00007f2548683700 R14: 0000000000000005 R15: 0000000000000001 [ 95.469885] Task in /ile0 killed as a result of limit of /ile0 [ 95.475947] memory: usage 364kB, limit 0kB, failcnt 19779 [ 95.481522] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 95.488321] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 95.494513] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 95.513955] Tasks state (memory values in pages): [ 95.518821] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 95.527728] [ 7007] 0 7007 9426 0 61440 0 0 syz-executor6 [ 95.536770] [ 7009] 0 7009 9426 534 65536 0 0 syz-executor7 [ 95.545817] [ 7010] 0 7010 9426 0 57344 0 0 syz-executor0 [ 95.554883] [ 7012] 0 7012 9426 535 65536 0 0 syz-executor1 [ 95.563946] [ 7014] 0 7014 9426 536 61440 0 0 syz-executor4 [ 95.573001] [ 7015] 0 7015 9426 537 65536 0 0 syz-executor3 [ 95.582044] Memory cgroup out of memory: Kill process 7015 (syz-executor3) score 553000 or sacrifice child [ 95.591875] Killed process 7015 (syz-executor3) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 95.603127] oom_reaper: reaped process 7015 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 95.613039] syz-executor1 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 95.623926] syz-executor1 cpuset=/ mems_allowed=0 [ 95.628828] CPU: 1 PID: 7012 Comm: syz-executor1 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 95.637129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.646470] Call Trace: [ 95.649050] dump_stack+0x1c9/0x2b4 [ 95.652664] ? dump_stack_print_info.cold.2+0x52/0x52 [ 95.657850] ? trace_hardirqs_on+0x10/0x10 [ 95.662085] dump_header+0x27b/0xf70 [ 95.665787] ? trace_hardirqs_on+0x10/0x10 [ 95.670009] ? __switch_to_asm+0x40/0x70 [ 95.674056] ? pagefault_out_of_memory+0x197/0x197 [ 95.678968] ? __switch_to_asm+0x40/0x70 [ 95.683010] ? __switch_to_asm+0x34/0x70 [ 95.687055] ? __switch_to_asm+0x40/0x70 [ 95.691098] ? __switch_to_asm+0x34/0x70 [ 95.695142] ? __switch_to_asm+0x40/0x70 [ 95.699195] ? __switch_to_asm+0x34/0x70 [ 95.703241] ? __switch_to_asm+0x40/0x70 [ 95.707299] ? trace_hardirqs_on+0x10/0x10 [ 95.711534] ? __schedule+0x884/0x1ec0 [ 95.715421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.720950] ? css_next_child+0x1c3/0x620 [ 95.725089] ? find_lock_task_mm+0x230/0x4d0 [ 95.729495] ? cgroup_get_tree+0xb20/0xb20 [ 95.733718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.739334] ? task_will_free_mem+0x239/0xb70 [ 95.743834] ? lock_downgrade+0x8f0/0x8f0 [ 95.747967] ? ___ratelimit+0x36f/0x655 [ 95.751932] ? lock_downgrade+0x8f0/0x8f0 [ 95.756074] ? kasan_check_read+0x11/0x20 [ 95.760206] ? do_raw_spin_unlock+0xa7/0x2f0 [ 95.764595] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 95.769162] ? do_raw_spin_lock+0x200/0x200 [ 95.773472] ? oom_kill_process+0x258/0x290 [ 95.777785] ? lock_downgrade+0x8f0/0x8f0 [ 95.781917] ? oom_unkillable_task+0x424/0x590 [ 95.786492] ? trace_hardirqs_on+0xd/0x10 [ 95.790633] ? ___ratelimit+0xaa/0x655 [ 95.794506] ? idr_get_free+0x10d0/0x10d0 [ 95.798654] ? kasan_check_write+0x14/0x20 [ 95.803151] ? do_raw_spin_lock+0xc1/0x200 [ 95.807398] oom_kill_process.cold.28+0x10/0x95a [ 95.812144] ? kasan_check_write+0x14/0x20 [ 95.816369] ? do_raw_spin_lock+0xc1/0x200 [ 95.820602] ? trace_hardirqs_on+0xd/0x10 [ 95.824735] ? oom_evaluate_task+0x540/0x540 [ 95.829133] ? cgroup_procs_next+0x70/0x70 [ 95.833366] ? trace_hardirqs_on+0xd/0x10 [ 95.837508] ? _raw_spin_unlock_irq+0x27/0x70 [ 95.841988] ? oom_badness+0xb00/0xb00 [ 95.845862] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 95.850606] ? mem_cgroup_iter_break+0x30/0x30 [ 95.855181] ? shrink_node+0x16a0/0x16a0 [ 95.859235] ? lock_acquire+0x1e4/0x540 [ 95.863220] ? cgroup_file_notify+0x226/0x2f0 [ 95.867709] out_of_memory+0xa8a/0x14d0 [ 95.871684] ? kasan_check_read+0x11/0x20 [ 95.875821] ? oom_killer_disable+0x3a0/0x3a0 [ 95.880305] ? kasan_check_write+0x14/0x20 [ 95.884539] ? do_raw_spin_lock+0xc1/0x200 [ 95.888779] mem_cgroup_out_of_memory+0x15e/0x210 [ 95.893622] ? memcg_memory_event+0x40/0x40 [ 95.897935] ? page_counter_try_charge+0x1c7/0x220 [ 95.902857] try_charge+0x720/0x1680 [ 95.906599] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 95.913373] ? lock_downgrade+0x8f0/0x8f0 [ 95.917519] ? lock_release+0xa30/0xa30 [ 95.921491] ? __anon_vma_prepare+0xc4/0x720 [ 95.925886] ? handle_mm_fault+0x53e/0xc80 [ 95.930107] ? fs_reclaim_acquire+0x20/0x20 [ 95.934437] ? lock_downgrade+0x8f0/0x8f0 [ 95.938572] ? percpu_ref_put_many+0x119/0x240 [ 95.943138] ? get_mem_cgroup_from_mm+0x209/0x440 [ 95.947967] ? get_mem_cgroup_from_page+0x190/0x190 [ 95.952974] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 95.957804] ? lock_acquire+0x1e4/0x540 [ 95.961774] mem_cgroup_try_charge+0x4ff/0xa70 [ 95.966350] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 95.971362] ? mem_cgroup_protected+0xa60/0xa60 [ 95.976025] ? up_write+0x7b/0x220 [ 95.979546] ? up_read+0x110/0x110 [ 95.983074] ? __anon_vma_prepare+0x36d/0x720 [ 95.987562] ? pmd_val+0x88/0x100 [ 95.991013] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 95.996537] mem_cgroup_try_charge_delay+0x1d/0x90 [ 96.001452] __handle_mm_fault+0x25be/0x4470 [ 96.005844] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 96.010677] ? cap_mmap_addr+0x52/0x130 [ 96.014638] ? userfaultfd_unmap_complete+0x32a/0x510 [ 96.019812] ? security_mmap_addr+0x80/0xa0 [ 96.024120] ? lock_acquire+0x1e4/0x540 [ 96.028080] ? handle_mm_fault+0x417/0xc80 [ 96.032309] ? lock_downgrade+0x8f0/0x8f0 [ 96.036456] ? lock_release+0xa30/0xa30 [ 96.040414] ? lock_release+0xa30/0xa30 [ 96.044378] ? down_read_killable+0x200/0x200 [ 96.048879] ? mem_cgroup_from_task+0xcb/0x1f0 [ 96.053445] ? get_mctgt_type+0xde0/0xde0 [ 96.057590] handle_mm_fault+0x53e/0xc80 [ 96.061635] ? __handle_mm_fault+0x4470/0x4470 [ 96.066215] ? find_vma+0x34/0x190 [ 96.069750] __do_page_fault+0x620/0xe50 [ 96.073797] ? mm_fault_error+0x380/0x380 [ 96.077942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.083463] ? __x64_sys_clock_gettime+0x170/0x250 [ 96.088378] ? __ia32_sys_clock_settime+0x290/0x290 [ 96.093381] do_page_fault+0xf6/0x8c0 [ 96.097170] ? vmalloc_sync_all+0x30/0x30 [ 96.101303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.106844] ? do_syscall_64+0x497/0x820 [ 96.110898] ? syscall_return_slowpath+0x5e0/0x5e0 [ 96.115823] ? syscall_return_slowpath+0x31d/0x5e0 [ 96.120739] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 96.125746] ? prepare_exit_to_usermode+0x291/0x3b0 [ 96.130750] ? page_fault+0x8/0x30 [ 96.134271] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 96.139109] ? page_fault+0x8/0x30 [ 96.142638] page_fault+0x1e/0x30 [ 96.146086] RIP: 0033:0x40e33f [ 96.149261] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 96.168146] RSP: 002b:00007ffd226d3410 EFLAGS: 00010206 [ 96.173496] RAX: 00007f0481324000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 96.180749] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 96.188003] RBP: 00007ffd226d34f0 R08: ffffffffffffffff R09: 0000000000000000 [ 96.195256] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd226d35e0 [ 96.202519] R13: 00007f0481344700 R14: 0000000000000005 R15: 0000000000000001 [ 96.209889] Task in /ile0 killed as a result of limit of /ile0 [ 96.215913] memory: usage 364kB, limit 0kB, failcnt 20006 [ 96.221486] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 96.228262] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 96.234421] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 96.253891] Tasks state (memory values in pages): [ 96.258750] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 96.267667] [ 7013] 0 7007 9426 1 61440 0 0 syz-executor6 [ 96.276764] [ 7009] 0 7009 9426 534 65536 0 0 syz-executor7 [ 96.285809] [ 7010] 0 7010 9426 0 57344 0 0 syz-executor0 [ 96.294868] [ 7012] 0 7012 9426 535 65536 0 0 syz-executor1 [ 96.303917] [ 7014] 0 7014 9426 536 61440 0 0 syz-executor4 [ 96.312972] [ 7015] 0 7015 9426 0 61440 0 0 syz-executor3 [ 96.322027] Memory cgroup out of memory: Kill process 7014 (syz-executor4) score 551000 or sacrifice child [ 96.331893] Killed process 7014 (syz-executor4) total-vm:37704kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 96.343061] oom_reaper: reaped process 7014 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 96.414652] syz-executor2 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 96.426645] syz-executor2 cpuset=/ mems_allowed=0 [ 96.431530] CPU: 0 PID: 7044 Comm: syz-executor2 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 96.439827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.449165] Call Trace: [ 96.451746] dump_stack+0x1c9/0x2b4 [ 96.455364] ? dump_stack_print_info.cold.2+0x52/0x52 [ 96.460597] dump_header+0x27b/0xf70 [ 96.464291] ? finish_task_switch+0x1d3/0x870 [ 96.468767] ? trace_hardirqs_on+0x10/0x10 [ 96.472983] ? pagefault_out_of_memory+0x197/0x197 [ 96.477889] ? do_raw_spin_unlock+0xa7/0x2f0 [ 96.482278] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 96.486840] ? compat_start_thread+0x80/0x80 [ 96.491230] ? trace_hardirqs_on+0x10/0x10 [ 96.495444] ? trace_hardirqs_on+0xd/0x10 [ 96.499573] ? _raw_spin_unlock_irq+0x27/0x70 [ 96.504051] ? trace_hardirqs_on+0x10/0x10 [ 96.508275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.513798] ? css_next_child+0x1c3/0x620 [ 96.517925] ? find_lock_task_mm+0x230/0x4d0 [ 96.522316] ? cgroup_get_tree+0xb20/0xb20 [ 96.526543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.532061] ? task_will_free_mem+0x239/0xb70 [ 96.536539] ? lock_downgrade+0x8f0/0x8f0 [ 96.540666] ? ___ratelimit+0x36f/0x655 [ 96.544627] ? lock_downgrade+0x8f0/0x8f0 [ 96.548756] ? kasan_check_read+0x11/0x20 [ 96.552884] ? do_raw_spin_unlock+0xa7/0x2f0 [ 96.557274] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 96.561843] ? do_raw_spin_lock+0x200/0x200 [ 96.566151] ? oom_kill_process+0x258/0x290 [ 96.570453] ? lock_downgrade+0x8f0/0x8f0 [ 96.574582] ? trace_hardirqs_on+0xd/0x10 [ 96.578709] ? ___ratelimit+0xaa/0x655 [ 96.582578] ? idr_get_free+0x10d0/0x10d0 [ 96.587116] ? kasan_check_write+0x14/0x20 [ 96.591345] ? do_raw_spin_lock+0xc1/0x200 [ 96.595565] oom_kill_process.cold.28+0x10/0x95a [ 96.600304] ? kasan_check_write+0x14/0x20 [ 96.604521] ? do_raw_spin_lock+0xc1/0x200 [ 96.608740] ? trace_hardirqs_on+0xd/0x10 [ 96.612869] ? oom_evaluate_task+0x540/0x540 [ 96.617259] ? cgroup_procs_next+0x70/0x70 [ 96.621478] ? trace_hardirqs_on+0xd/0x10 [ 96.625609] ? _raw_spin_unlock_irq+0x27/0x70 [ 96.630086] ? oom_badness+0xb00/0xb00 [ 96.633970] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 96.638719] ? mem_cgroup_iter_break+0x30/0x30 [ 96.643280] ? shrink_node+0x16a0/0x16a0 [ 96.647327] ? lock_acquire+0x1e4/0x540 [ 96.651295] ? cgroup_file_notify+0x226/0x2f0 [ 96.655773] out_of_memory+0xa8a/0x14d0 [ 96.659732] ? kasan_check_read+0x11/0x20 [ 96.663858] ? oom_killer_disable+0x3a0/0x3a0 [ 96.668341] ? kasan_check_write+0x14/0x20 [ 96.672564] ? do_raw_spin_lock+0xc1/0x200 [ 96.676780] ? trace_hardirqs_on+0xd/0x10 [ 96.680912] mem_cgroup_out_of_memory+0x15e/0x210 [ 96.685735] ? memcg_memory_event+0x40/0x40 [ 96.690039] ? page_counter_try_charge+0x1c7/0x220 [ 96.694952] try_charge+0x720/0x1680 [ 96.698656] ? lock_acquire+0x1e4/0x540 [ 96.702609] ? fs_reclaim_acquire+0x20/0x20 [ 96.706914] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 96.713649] ? rcu_note_context_switch+0x730/0x730 [ 96.718565] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 96.723392] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 96.728395] memcg_kmem_charge_memcg+0x7c/0x120 [ 96.733045] ? memcg_kmem_put_cache+0xb0/0xb0 [ 96.737523] ? __free_pages+0x10a/0x190 [ 96.741484] cache_grow_begin+0x207/0x710 [ 96.745625] ? do_raw_spin_unlock+0xa7/0x2f0 [ 96.750024] fallback_alloc+0x203/0x2c0 [ 96.753989] ____cache_alloc_node+0x1c7/0x1e0 [ 96.758466] kmem_cache_alloc+0x1e5/0x760 [ 96.762600] ? kasan_check_write+0x14/0x20 [ 96.766815] __alloc_file+0xac/0x400 [ 96.770514] ? file_free_rcu+0x90/0x90 [ 96.774383] ? select_collect+0x610/0x610 [ 96.778520] ? d_instantiate+0x79/0xa0 [ 96.782399] ? lock_downgrade+0x8f0/0x8f0 [ 96.786534] ? kasan_check_read+0x11/0x20 [ 96.790683] ? do_raw_spin_unlock+0xa7/0x2f0 [ 96.795077] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 96.799642] alloc_empty_file+0x72/0x170 [ 96.803685] alloc_file+0x5c/0x430 [ 96.807206] alloc_file_pseudo+0x261/0x3f0 [ 96.811424] ? alloc_file+0x430/0x430 [ 96.815216] ? check_same_owner+0x340/0x340 [ 96.819527] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 96.824523] ? __check_object_size+0xa3/0x5d7 [ 96.829000] ? kasan_check_write+0x14/0x20 [ 96.833220] __shmem_file_setup.part.48+0x110/0x2a0 [ 96.838220] shmem_file_setup+0x65/0x90 [ 96.842175] __x64_sys_memfd_create+0x2af/0x4f0 [ 96.846834] ? memfd_fcntl+0x1e80/0x1e80 [ 96.850879] do_syscall_64+0x1b9/0x820 [ 96.854754] ? finish_task_switch+0x1d3/0x870 [ 96.859233] ? syscall_return_slowpath+0x5e0/0x5e0 [ 96.864151] ? syscall_return_slowpath+0x31d/0x5e0 [ 96.869073] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 96.874076] ? __switch_to_asm+0x34/0x70 [ 96.878120] ? __switch_to_asm+0x34/0x70 [ 96.882165] ? __switch_to_asm+0x40/0x70 [ 96.886209] ? __switch_to_asm+0x34/0x70 [ 96.890251] ? __switch_to_asm+0x40/0x70 [ 96.894292] ? __switch_to_asm+0x34/0x70 [ 96.898348] ? __switch_to_asm+0x40/0x70 [ 96.902397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 96.907222] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.912393] RIP: 0033:0x456b29 [ 96.915922] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.934809] RSP: 002b:00007fb8ae7a8a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 96.942503] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 96.949764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 96.957021] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 96.964272] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 96.971519] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 96.978931] Task in /ile0 killed as a result of limit of /ile0 [ 96.981271] oom_reaper: reaped process 7019 (syz-executor1), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 96.984975] memory: usage 388kB, limit 0kB, failcnt 21121 [ 97.000337] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 97.007167] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 97.013350] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 97.032809] Tasks state (memory values in pages): [ 97.037682] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 97.046591] [ 7041] 0 7041 9459 538 61440 0 0 syz-executor2 [ 97.055656] [ 7043] 0 7043 9426 535 65536 0 0 syz-executor5 [ 97.064897] [ 7051] 0 7051 9426 537 65536 0 0 syz-executor6 [ 97.073971] [ 7053] 0 7053 9426 535 61440 0 0 syz-executor0 [ 97.083024] Memory cgroup out of memory: Kill process 7041 (syz-executor2) score 553000 or sacrifice child [ 97.092869] Killed process 7041 (syz-executor2) total-vm:37836kB, anon-rss:2152kB, file-rss:0kB, shmem-rss:0kB [ 97.149661] oom_reaper: reaped process 7043 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 97.185250] oom_reaper: reaped process 7041 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 97.203052] syz-executor7 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 97.215077] syz-executor7 cpuset=/ mems_allowed=0 [ 97.220006] CPU: 0 PID: 7065 Comm: syz-executor7 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 97.228319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.237677] Call Trace: [ 97.240260] dump_stack+0x1c9/0x2b4 [ 97.243882] ? dump_stack_print_info.cold.2+0x52/0x52 [ 97.249068] dump_header+0x27b/0xf70 [ 97.252792] ? finish_task_switch+0x1d3/0x870 [ 97.257278] ? trace_hardirqs_on+0x10/0x10 [ 97.261501] ? pagefault_out_of_memory+0x197/0x197 [ 97.266420] ? do_raw_spin_unlock+0xa7/0x2f0 [ 97.270814] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 97.275392] ? compat_start_thread+0x80/0x80 [ 97.279788] ? trace_hardirqs_on+0x10/0x10 [ 97.284009] ? trace_hardirqs_on+0xd/0x10 [ 97.288150] ? _raw_spin_unlock_irq+0x27/0x70 [ 97.292654] ? trace_hardirqs_on+0x10/0x10 [ 97.296881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.302426] ? css_next_child+0x1c3/0x620 [ 97.306558] ? find_lock_task_mm+0x230/0x4d0 [ 97.310952] ? cgroup_get_tree+0xb20/0xb20 [ 97.315197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.320731] ? task_will_free_mem+0x239/0xb70 [ 97.325233] ? lock_downgrade+0x8f0/0x8f0 [ 97.329372] ? ___ratelimit+0x36f/0x655 [ 97.333336] ? lock_downgrade+0x8f0/0x8f0 [ 97.337501] ? kasan_check_read+0x11/0x20 [ 97.341641] ? do_raw_spin_unlock+0xa7/0x2f0 [ 97.346048] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 97.350628] ? do_raw_spin_lock+0x200/0x200 [ 97.354937] ? oom_kill_process+0x258/0x290 [ 97.359259] ? lock_downgrade+0x8f0/0x8f0 [ 97.363398] ? trace_hardirqs_on+0xd/0x10 [ 97.367543] ? ___ratelimit+0xaa/0x655 [ 97.371420] ? idr_get_free+0x10d0/0x10d0 [ 97.375561] ? kasan_check_write+0x14/0x20 [ 97.379806] ? do_raw_spin_lock+0xc1/0x200 [ 97.384044] oom_kill_process.cold.28+0x10/0x95a [ 97.388794] ? kasan_check_write+0x14/0x20 [ 97.393027] ? do_raw_spin_lock+0xc1/0x200 [ 97.397275] ? trace_hardirqs_on+0xd/0x10 [ 97.401414] ? oom_evaluate_task+0x540/0x540 [ 97.405808] ? cgroup_procs_next+0x70/0x70 [ 97.410026] ? trace_hardirqs_on+0xd/0x10 [ 97.414611] ? _raw_spin_unlock_irq+0x27/0x70 [ 97.419095] ? oom_badness+0xb00/0xb00 [ 97.422996] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 97.427737] ? mem_cgroup_iter_break+0x30/0x30 [ 97.432309] ? shrink_node+0x16a0/0x16a0 [ 97.436370] ? lock_acquire+0x1e4/0x540 [ 97.440346] ? cgroup_file_notify+0x226/0x2f0 [ 97.444835] out_of_memory+0xa8a/0x14d0 [ 97.448795] ? kasan_check_read+0x11/0x20 [ 97.452935] ? oom_killer_disable+0x3a0/0x3a0 [ 97.457419] ? kasan_check_write+0x14/0x20 [ 97.461654] ? do_raw_spin_lock+0xc1/0x200 [ 97.465875] ? trace_hardirqs_on+0xd/0x10 [ 97.470029] mem_cgroup_out_of_memory+0x15e/0x210 [ 97.474858] ? memcg_memory_event+0x40/0x40 [ 97.479191] ? page_counter_try_charge+0x1c7/0x220 [ 97.484131] try_charge+0x720/0x1680 [ 97.487835] ? lock_acquire+0x1e4/0x540 [ 97.491807] ? fs_reclaim_acquire+0x20/0x20 [ 97.496128] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 97.502875] ? rcu_note_context_switch+0x730/0x730 [ 97.507969] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 97.512801] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 97.517833] memcg_kmem_charge_memcg+0x7c/0x120 [ 97.522504] ? memcg_kmem_put_cache+0xb0/0xb0 [ 97.526991] ? __free_pages+0x10a/0x190 [ 97.530957] cache_grow_begin+0x207/0x710 [ 97.535204] ? do_raw_spin_unlock+0xa7/0x2f0 [ 97.539702] fallback_alloc+0x203/0x2c0 [ 97.543674] ____cache_alloc_node+0x1c7/0x1e0 [ 97.548172] kmem_cache_alloc+0x1e5/0x760 [ 97.552329] ? kasan_check_write+0x14/0x20 [ 97.556574] __alloc_file+0xac/0x400 [ 97.560295] ? file_free_rcu+0x90/0x90 [ 97.564176] ? select_collect+0x610/0x610 [ 97.568317] ? d_instantiate+0x79/0xa0 [ 97.572212] ? lock_downgrade+0x8f0/0x8f0 [ 97.576364] ? kasan_check_read+0x11/0x20 [ 97.580503] ? do_raw_spin_unlock+0xa7/0x2f0 [ 97.584911] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 97.589490] alloc_empty_file+0x72/0x170 [ 97.593550] alloc_file+0x5c/0x430 [ 97.597079] alloc_file_pseudo+0x261/0x3f0 [ 97.601315] ? alloc_file+0x430/0x430 [ 97.605112] ? check_same_owner+0x340/0x340 [ 97.609420] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 97.614438] ? __check_object_size+0xa3/0x5d7 [ 97.618959] ? kasan_check_write+0x14/0x20 [ 97.623182] __shmem_file_setup.part.48+0x110/0x2a0 [ 97.628184] shmem_file_setup+0x65/0x90 [ 97.632146] __x64_sys_memfd_create+0x2af/0x4f0 [ 97.636821] ? memfd_fcntl+0x1e80/0x1e80 [ 97.640893] ? ksys_mount+0xa8/0x140 [ 97.644605] do_syscall_64+0x1b9/0x820 [ 97.648493] ? finish_task_switch+0x1d3/0x870 [ 97.652974] ? syscall_return_slowpath+0x5e0/0x5e0 [ 97.657897] ? syscall_return_slowpath+0x31d/0x5e0 [ 97.662817] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 97.667824] ? prepare_exit_to_usermode+0x291/0x3b0 [ 97.672834] ? perf_trace_sys_enter+0xb10/0xb10 [ 97.677588] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 97.682425] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.687601] RIP: 0033:0x456b29 [ 97.690789] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.709686] RSP: 002b:00007f420eeb6a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 97.717383] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 97.724773] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 97.732027] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 97.739290] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 97.746541] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 97.753917] Task in /ile0 killed as a result of limit of /ile0 [ 97.759971] memory: usage 396kB, limit 0kB, failcnt 21960 [ 97.765523] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 97.772291] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 97.778460] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 97.797916] Tasks state (memory values in pages): [ 97.802777] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 97.811674] [ 7053] 0 7053 9426 535 61440 0 0 syz-executor0 [ 97.821631] [ 7059] 0 7059 9426 534 65536 0 0 syz-executor7 [ 97.830684] [ 7062] 0 7062 9426 535 65536 0 0 syz-executor1 [ 97.839755] [ 7074] 0 7074 9426 537 65536 0 0 syz-executor3 [ 97.848792] Memory cgroup out of memory: Kill process 7062 (syz-executor1) score 551000 or sacrifice child [ 97.859264] Killed process 7062 (syz-executor1) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 97.871538] oom_reaper: reaped process 7072 (syz-executor1), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 97.924077] syz-executor3 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 97.935037] syz-executor3 cpuset=/ mems_allowed=0 [ 97.939947] CPU: 1 PID: 7074 Comm: syz-executor3 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 97.948268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.957622] Call Trace: [ 97.960222] dump_stack+0x1c9/0x2b4 [ 97.963863] ? dump_stack_print_info.cold.2+0x52/0x52 [ 97.969065] ? trace_hardirqs_on+0x10/0x10 [ 97.973311] dump_header+0x27b/0xf70 [ 97.977035] ? pagefault_out_of_memory+0x197/0x197 [ 97.981968] ? do_raw_spin_unlock+0xa7/0x2f0 [ 97.986383] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 97.990978] ? compat_start_thread+0x80/0x80 [ 97.995397] ? trace_hardirqs_on+0x10/0x10 [ 97.999641] ? trace_hardirqs_on+0xd/0x10 [ 98.003800] ? _raw_spin_unlock_irq+0x27/0x70 [ 98.008307] ? finish_task_switch+0x1d3/0x870 [ 98.012802] ? finish_task_switch+0x18a/0x870 [ 98.017294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 98.022831] ? css_next_child+0x1c3/0x620 [ 98.026969] ? find_lock_task_mm+0x230/0x4d0 [ 98.031369] ? cgroup_get_tree+0xb20/0xb20 [ 98.035609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 98.041148] ? task_will_free_mem+0x239/0xb70 [ 98.045647] ? lock_downgrade+0x8f0/0x8f0 [ 98.049781] ? ___ratelimit+0x36f/0x655 [ 98.053749] ? lock_downgrade+0x8f0/0x8f0 [ 98.057887] ? kasan_check_read+0x11/0x20 [ 98.062025] ? do_raw_spin_unlock+0xa7/0x2f0 [ 98.066435] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 98.071013] ? do_raw_spin_lock+0x200/0x200 [ 98.075328] ? oom_kill_process+0x258/0x290 [ 98.080082] ? lock_downgrade+0x8f0/0x8f0 [ 98.084217] ? trace_hardirqs_on+0xd/0x10 [ 98.088359] ? ___ratelimit+0xaa/0x655 [ 98.092238] ? idr_get_free+0x10d0/0x10d0 [ 98.096372] ? kasan_check_write+0x14/0x20 [ 98.100596] ? do_raw_spin_lock+0xc1/0x200 [ 98.104816] oom_kill_process.cold.28+0x10/0x95a [ 98.109561] ? kasan_check_write+0x14/0x20 [ 98.113787] ? do_raw_spin_lock+0xc1/0x200 [ 98.118009] ? trace_hardirqs_on+0xd/0x10 [ 98.122140] ? oom_evaluate_task+0x540/0x540 [ 98.126540] ? cgroup_procs_next+0x70/0x70 [ 98.130770] ? trace_hardirqs_on+0xd/0x10 [ 98.134905] ? _raw_spin_unlock_irq+0x27/0x70 [ 98.139397] ? oom_badness+0xb00/0xb00 [ 98.143302] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 98.148051] ? mem_cgroup_iter_break+0x30/0x30 [ 98.152631] ? shrink_node+0x16a0/0x16a0 [ 98.156693] ? lock_acquire+0x1e4/0x540 [ 98.160660] ? cgroup_file_notify+0x226/0x2f0 [ 98.165239] out_of_memory+0xa8a/0x14d0 [ 98.169201] ? kasan_check_read+0x11/0x20 [ 98.173342] ? oom_killer_disable+0x3a0/0x3a0 [ 98.177833] ? kasan_check_write+0x14/0x20 [ 98.182062] ? do_raw_spin_lock+0xc1/0x200 [ 98.186291] mem_cgroup_out_of_memory+0x15e/0x210 [ 98.191134] ? memcg_memory_event+0x40/0x40 [ 98.195441] ? page_counter_try_charge+0x1c7/0x220 [ 98.200359] try_charge+0x720/0x1680 [ 98.204062] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 98.210809] ? lock_downgrade+0x8f0/0x8f0 [ 98.214952] ? lock_release+0xa30/0xa30 [ 98.218925] ? __anon_vma_prepare+0xc4/0x720 [ 98.223318] ? handle_mm_fault+0x53e/0xc80 [ 98.227545] ? fs_reclaim_acquire+0x20/0x20 [ 98.231852] ? lock_downgrade+0x8f0/0x8f0 [ 98.235982] ? percpu_ref_put_many+0x119/0x240 [ 98.240551] ? get_mem_cgroup_from_mm+0x209/0x440 [ 98.245382] ? get_mem_cgroup_from_page+0x190/0x190 [ 98.250388] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 98.255212] ? lock_acquire+0x1e4/0x540 [ 98.259189] mem_cgroup_try_charge+0x4ff/0xa70 [ 98.263766] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 98.268781] ? mem_cgroup_protected+0xa60/0xa60 [ 98.273438] ? up_write+0x7b/0x220 [ 98.276962] ? up_read+0x110/0x110 [ 98.280493] ? __anon_vma_prepare+0x36d/0x720 [ 98.284977] ? pmd_val+0x88/0x100 [ 98.288415] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 98.293960] mem_cgroup_try_charge_delay+0x1d/0x90 [ 98.298886] __handle_mm_fault+0x25be/0x4470 [ 98.303282] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 98.308125] ? cap_mmap_addr+0x52/0x130 [ 98.312091] ? userfaultfd_unmap_complete+0x32a/0x510 [ 98.317268] ? security_mmap_addr+0x80/0xa0 [ 98.321594] ? lock_acquire+0x1e4/0x540 [ 98.325563] ? handle_mm_fault+0x417/0xc80 [ 98.329794] ? lock_downgrade+0x8f0/0x8f0 [ 98.333931] ? lock_release+0xa30/0xa30 [ 98.337891] ? lock_release+0xa30/0xa30 [ 98.341855] ? down_read_killable+0x200/0x200 [ 98.346345] ? mem_cgroup_from_task+0xcb/0x1f0 [ 98.350921] ? get_mctgt_type+0xde0/0xde0 [ 98.355060] handle_mm_fault+0x53e/0xc80 [ 98.359108] ? __handle_mm_fault+0x4470/0x4470 [ 98.363682] ? find_vma+0x34/0x190 [ 98.367219] __do_page_fault+0x620/0xe50 [ 98.371792] ? mm_fault_error+0x380/0x380 [ 98.375927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 98.381457] ? __x64_sys_clock_gettime+0x170/0x250 [ 98.386386] ? __ia32_sys_clock_settime+0x290/0x290 [ 98.391396] do_page_fault+0xf6/0x8c0 [ 98.395190] ? vmalloc_sync_all+0x30/0x30 [ 98.399339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 98.404878] ? do_syscall_64+0x497/0x820 [ 98.408935] ? syscall_return_slowpath+0x5e0/0x5e0 [ 98.413858] ? syscall_return_slowpath+0x31d/0x5e0 [ 98.419501] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 98.424507] ? prepare_exit_to_usermode+0x291/0x3b0 [ 98.429517] ? page_fault+0x8/0x30 [ 98.433052] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 98.437892] ? page_fault+0x8/0x30 [ 98.441416] page_fault+0x1e/0x30 [ 98.444852] RIP: 0033:0x40e33f [ 98.448053] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 98.466955] RSP: 002b:00007fff823ff3b0 EFLAGS: 00010206 [ 98.472319] RAX: 00007f03fc0e3000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 98.479608] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 98.486888] RBP: 00007fff823ff490 R08: ffffffffffffffff R09: 0000000000000000 [ 98.494159] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff823ff580 [ 98.501418] R13: 00007f03fc103700 R14: 0000000000000005 R15: 0000000000000001 [ 98.508853] Task in /ile0 killed as a result of limit of /ile0 [ 98.514932] memory: usage 396kB, limit 0kB, failcnt 22848 [ 98.520508] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 98.527287] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 98.533472] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 98.552932] Tasks state (memory values in pages): [ 98.557809] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 98.566720] [ 7053] 0 7053 9426 535 61440 0 0 syz-executor0 [ 98.575770] [ 7059] 0 7059 9426 534 65536 0 0 syz-executor7 [ 98.584820] [ 7074] 0 7074 9426 537 65536 0 0 syz-executor3 [ 98.593898] [ 7077] 0 7077 9426 536 61440 0 0 syz-executor4 [ 98.602981] [ 7080] 0 7080 9426 538 61440 0 0 syz-executor2 [ 98.612052] [ 7082] 0 7082 9426 537 65536 0 0 syz-executor6 [ 98.621288] [ 7083] 0 7083 9426 535 65536 0 0 syz-executor5 [ 98.630333] Memory cgroup out of memory: Kill process 7074 (syz-executor3) score 553000 or sacrifice child [ 98.640211] Killed process 7074 (syz-executor3) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 98.651723] oom_reaper: reaped process 7074 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 98.667374] syz-executor7 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 98.678409] syz-executor7 cpuset=/ mems_allowed=0 [ 98.683293] CPU: 0 PID: 7059 Comm: syz-executor7 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 98.691634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.700984] Call Trace: [ 98.703579] dump_stack+0x1c9/0x2b4 [ 98.707195] ? dump_stack_print_info.cold.2+0x52/0x52 [ 98.712394] ? trace_hardirqs_on+0x10/0x10 [ 98.716618] dump_header+0x27b/0xf70 [ 98.720325] ? pagefault_out_of_memory+0x197/0x197 [ 98.725242] ? do_raw_spin_unlock+0xa7/0x2f0 [ 98.729642] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 98.734216] ? compat_start_thread+0x80/0x80 [ 98.738625] ? trace_hardirqs_on+0x10/0x10 [ 98.742868] ? kasan_check_write+0x14/0x20 [ 98.747970] ? finish_task_switch+0x2ca/0x870 [ 98.752465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 98.757998] ? css_next_child+0x1c3/0x620 [ 98.762150] ? find_lock_task_mm+0x230/0x4d0 [ 98.766568] ? cgroup_get_tree+0xb20/0xb20 [ 98.770806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 98.776340] ? task_will_free_mem+0x239/0xb70 [ 98.780834] ? lock_downgrade+0x8f0/0x8f0 [ 98.784974] ? ___ratelimit+0x36f/0x655 [ 98.788936] ? lock_downgrade+0x8f0/0x8f0 [ 98.793080] ? kasan_check_read+0x11/0x20 [ 98.797228] ? do_raw_spin_unlock+0xa7/0x2f0 [ 98.802241] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 98.806812] ? do_raw_spin_lock+0x200/0x200 [ 98.811142] ? oom_kill_process+0x258/0x290 [ 98.815452] ? lock_downgrade+0x8f0/0x8f0 [ 98.819592] ? trace_hardirqs_on+0xd/0x10 [ 98.823731] ? ___ratelimit+0xaa/0x655 [ 98.827605] ? idr_get_free+0x10d0/0x10d0 [ 98.831737] ? kasan_check_write+0x14/0x20 [ 98.835957] ? do_raw_spin_lock+0xc1/0x200 [ 98.840188] oom_kill_process.cold.28+0x10/0x95a [ 98.844935] ? kasan_check_write+0x14/0x20 [ 98.849163] ? do_raw_spin_lock+0xc1/0x200 [ 98.853401] ? trace_hardirqs_on+0xd/0x10 [ 98.857539] ? oom_evaluate_task+0x540/0x540 [ 98.861948] ? cgroup_procs_next+0x70/0x70 [ 98.866181] ? trace_hardirqs_on+0xd/0x10 [ 98.870322] ? _raw_spin_unlock_irq+0x27/0x70 [ 98.874822] ? oom_badness+0xb00/0xb00 [ 98.878698] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 98.883444] ? mem_cgroup_iter_break+0x30/0x30 [ 98.888016] ? shrink_node+0x16a0/0x16a0 [ 98.892074] ? lock_acquire+0x1e4/0x540 [ 98.896037] ? cgroup_file_notify+0x226/0x2f0 [ 98.900526] out_of_memory+0xa8a/0x14d0 [ 98.904488] ? kasan_check_read+0x11/0x20 [ 98.909119] ? oom_killer_disable+0x3a0/0x3a0 [ 98.913601] ? kasan_check_write+0x14/0x20 [ 98.917839] ? do_raw_spin_lock+0xc1/0x200 [ 98.922163] mem_cgroup_out_of_memory+0x15e/0x210 [ 98.927003] ? memcg_memory_event+0x40/0x40 [ 98.931317] ? page_counter_try_charge+0x1c7/0x220 [ 98.936242] try_charge+0x720/0x1680 [ 98.939952] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 98.946697] ? lock_downgrade+0x8f0/0x8f0 [ 98.950835] ? lock_release+0xa30/0xa30 [ 98.954796] ? __anon_vma_prepare+0xc4/0x720 [ 98.959200] ? handle_mm_fault+0x53e/0xc80 [ 98.963427] ? fs_reclaim_acquire+0x20/0x20 [ 98.967753] ? lock_downgrade+0x8f0/0x8f0 [ 98.971996] ? percpu_ref_put_many+0x119/0x240 [ 98.976584] ? get_mem_cgroup_from_mm+0x209/0x440 [ 98.981415] ? get_mem_cgroup_from_page+0x190/0x190 [ 98.986422] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 98.991263] ? lock_acquire+0x1e4/0x540 [ 98.995229] mem_cgroup_try_charge+0x4ff/0xa70 [ 98.999803] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 99.004810] ? mem_cgroup_protected+0xa60/0xa60 [ 99.009467] ? up_write+0x7b/0x220 [ 99.012994] ? up_read+0x110/0x110 [ 99.016534] ? __anon_vma_prepare+0x36d/0x720 [ 99.021031] ? pmd_val+0x88/0x100 [ 99.024483] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 99.030010] mem_cgroup_try_charge_delay+0x1d/0x90 [ 99.034927] __handle_mm_fault+0x25be/0x4470 [ 99.039413] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 99.044258] ? cap_mmap_addr+0x52/0x130 [ 99.048224] ? userfaultfd_unmap_complete+0x32a/0x510 [ 99.053400] ? security_mmap_addr+0x80/0xa0 [ 99.057721] ? lock_acquire+0x1e4/0x540 [ 99.061689] ? handle_mm_fault+0x417/0xc80 [ 99.065920] ? lock_downgrade+0x8f0/0x8f0 [ 99.070066] ? lock_release+0xa30/0xa30 [ 99.074036] ? lock_release+0xa30/0xa30 [ 99.078011] ? down_read_killable+0x200/0x200 [ 99.082493] ? mem_cgroup_from_task+0xcb/0x1f0 [ 99.087076] ? get_mctgt_type+0xde0/0xde0 [ 99.091214] handle_mm_fault+0x53e/0xc80 [ 99.095263] ? __handle_mm_fault+0x4470/0x4470 [ 99.099833] ? find_vma+0x34/0x190 [ 99.103362] __do_page_fault+0x620/0xe50 [ 99.107409] ? mm_fault_error+0x380/0x380 [ 99.111544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.117163] ? __x64_sys_clock_gettime+0x170/0x250 [ 99.122091] ? __ia32_sys_clock_settime+0x290/0x290 [ 99.127103] do_page_fault+0xf6/0x8c0 [ 99.130898] ? vmalloc_sync_all+0x30/0x30 [ 99.135041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.140579] ? do_syscall_64+0x497/0x820 [ 99.144642] ? syscall_return_slowpath+0x5e0/0x5e0 [ 99.149688] ? syscall_return_slowpath+0x31d/0x5e0 [ 99.154616] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 99.159625] ? prepare_exit_to_usermode+0x291/0x3b0 [ 99.164637] ? page_fault+0x8/0x30 [ 99.168165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 99.172998] ? page_fault+0x8/0x30 [ 99.176533] page_fault+0x1e/0x30 [ 99.179980] RIP: 0033:0x40e33f [ 99.183177] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 99.202073] RSP: 002b:00007ffe6bfe9770 EFLAGS: 00010206 [ 99.207422] RAX: 00007f420ee76000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 99.214678] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 99.221940] RBP: 00007ffe6bfe9850 R08: ffffffffffffffff R09: 0000000000000000 2018/08/05 10:45:19 executed programs: 136 [ 99.229216] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe6bfe9940 [ 99.236481] R13: 00007f420ee96700 R14: 0000000000000005 R15: 0000000000000001 [ 99.243814] Task in /ile0 killed as a result of limit of /ile0 [ 99.249864] memory: usage 396kB, limit 0kB, failcnt 23005 [ 99.255429] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 99.262201] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 99.268346] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 99.287788] Tasks state (memory values in pages): [ 99.292633] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 99.301608] [ 7053] 0 7053 9426 535 61440 0 0 syz-executor0 [ 99.310641] [ 7059] 0 7059 9426 534 65536 0 0 syz-executor7 [ 99.319692] [ 7077] 0 7077 9426 536 61440 0 0 syz-executor4 [ 99.328746] [ 7080] 0 7080 9426 538 61440 0 0 syz-executor2 [ 99.337802] [ 7082] 0 7082 9426 537 65536 0 0 syz-executor6 [ 99.346851] [ 7083] 0 7083 9426 535 65536 0 0 syz-executor5 [ 99.355888] Memory cgroup out of memory: Kill process 7080 (syz-executor2) score 553000 or sacrifice child [ 99.365729] Killed process 7080 (syz-executor2) total-vm:37704kB, anon-rss:2152kB, file-rss:0kB, shmem-rss:0kB [ 99.376959] oom_reaper: reaped process 7080 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 99.378977] syz-executor6 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 99.397693] syz-executor6 cpuset=/ mems_allowed=0 [ 99.402580] CPU: 0 PID: 7082 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 99.410901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.420243] Call Trace: [ 99.422822] dump_stack+0x1c9/0x2b4 [ 99.426448] ? dump_stack_print_info.cold.2+0x52/0x52 [ 99.431636] ? trace_hardirqs_on+0x10/0x10 [ 99.435872] dump_header+0x27b/0xf70 [ 99.439755] ? trace_hardirqs_on+0x10/0x10 [ 99.443980] ? pagefault_out_of_memory+0x197/0x197 [ 99.448897] ? __switch_to_asm+0x40/0x70 [ 99.452941] ? __switch_to_asm+0x34/0x70 [ 99.456985] ? __switch_to_asm+0x40/0x70 [ 99.461026] ? __switch_to_asm+0x34/0x70 [ 99.465070] ? __switch_to_asm+0x40/0x70 [ 99.469116] ? __switch_to_asm+0x34/0x70 [ 99.473183] ? __switch_to_asm+0x40/0x70 [ 99.477242] ? trace_hardirqs_on+0x10/0x10 [ 99.481466] ? __schedule+0x884/0x1ec0 [ 99.485353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.490895] ? css_next_child+0x1c3/0x620 [ 99.495117] ? find_lock_task_mm+0x230/0x4d0 [ 99.499524] ? cgroup_get_tree+0xb20/0xb20 [ 99.503748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.509281] ? task_will_free_mem+0x239/0xb70 [ 99.513779] ? lock_downgrade+0x8f0/0x8f0 [ 99.517919] ? ___ratelimit+0x36f/0x655 [ 99.521887] ? lock_downgrade+0x8f0/0x8f0 [ 99.526038] ? kasan_check_read+0x11/0x20 [ 99.530177] ? do_raw_spin_unlock+0xa7/0x2f0 [ 99.534577] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 99.539145] ? do_raw_spin_lock+0x200/0x200 [ 99.543450] ? oom_kill_process+0x258/0x290 [ 99.547760] ? lock_downgrade+0x8f0/0x8f0 [ 99.551893] ? trace_hardirqs_on+0xd/0x10 [ 99.556024] ? ___ratelimit+0xaa/0x655 [ 99.559900] ? idr_get_free+0x10d0/0x10d0 [ 99.564393] ? kasan_check_write+0x14/0x20 [ 99.568618] ? do_raw_spin_lock+0xc1/0x200 [ 99.572842] oom_kill_process.cold.28+0x10/0x95a [ 99.577588] ? kasan_check_write+0x14/0x20 [ 99.581809] ? do_raw_spin_lock+0xc1/0x200 [ 99.586044] ? trace_hardirqs_on+0xd/0x10 [ 99.590185] ? oom_evaluate_task+0x540/0x540 [ 99.594580] ? cgroup_procs_next+0x70/0x70 [ 99.598826] ? trace_hardirqs_on+0xd/0x10 [ 99.602968] ? _raw_spin_unlock_irq+0x27/0x70 [ 99.607451] ? oom_badness+0xb00/0xb00 [ 99.611323] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 99.616104] ? mem_cgroup_iter_break+0x30/0x30 [ 99.620676] ? shrink_node+0x16a0/0x16a0 [ 99.624737] ? lock_acquire+0x1e4/0x540 [ 99.628699] ? cgroup_file_notify+0x226/0x2f0 [ 99.633182] out_of_memory+0xa8a/0x14d0 [ 99.637146] ? kasan_check_read+0x11/0x20 [ 99.641286] ? oom_killer_disable+0x3a0/0x3a0 [ 99.645778] ? kasan_check_write+0x14/0x20 [ 99.649998] ? do_raw_spin_lock+0xc1/0x200 [ 99.654229] mem_cgroup_out_of_memory+0x15e/0x210 [ 99.659068] ? memcg_memory_event+0x40/0x40 [ 99.663384] ? page_counter_try_charge+0x1c7/0x220 [ 99.668305] try_charge+0x720/0x1680 [ 99.672020] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 99.678773] ? lock_downgrade+0x8f0/0x8f0 [ 99.682909] ? lock_release+0xa30/0xa30 [ 99.686885] ? __anon_vma_prepare+0xc4/0x720 [ 99.691285] ? handle_mm_fault+0x53e/0xc80 [ 99.695516] ? fs_reclaim_acquire+0x20/0x20 [ 99.699838] ? lock_downgrade+0x8f0/0x8f0 [ 99.703969] ? percpu_ref_put_many+0x119/0x240 [ 99.708546] ? get_mem_cgroup_from_mm+0x209/0x440 [ 99.713390] ? get_mem_cgroup_from_page+0x190/0x190 [ 99.718394] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 99.723242] ? lock_acquire+0x1e4/0x540 [ 99.727217] mem_cgroup_try_charge+0x4ff/0xa70 [ 99.731784] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 99.736809] ? mem_cgroup_protected+0xa60/0xa60 [ 99.741470] ? up_write+0x7b/0x220 [ 99.745009] ? up_read+0x110/0x110 [ 99.748545] ? __anon_vma_prepare+0x36d/0x720 [ 99.753048] ? pmd_val+0x88/0x100 [ 99.756504] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 99.762071] mem_cgroup_try_charge_delay+0x1d/0x90 [ 99.767005] __handle_mm_fault+0x25be/0x4470 [ 99.771441] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 99.776470] ? cap_mmap_addr+0x52/0x130 [ 99.780435] ? userfaultfd_unmap_complete+0x32a/0x510 [ 99.785611] ? security_mmap_addr+0x80/0xa0 [ 99.789929] ? lock_acquire+0x1e4/0x540 [ 99.793887] ? handle_mm_fault+0x417/0xc80 [ 99.798110] ? lock_downgrade+0x8f0/0x8f0 [ 99.802250] ? lock_release+0xa30/0xa30 [ 99.806219] ? lock_release+0xa30/0xa30 [ 99.810182] ? down_read_killable+0x200/0x200 [ 99.814669] ? mem_cgroup_from_task+0xcb/0x1f0 [ 99.819245] ? get_mctgt_type+0xde0/0xde0 [ 99.823388] handle_mm_fault+0x53e/0xc80 [ 99.827436] ? __handle_mm_fault+0x4470/0x4470 [ 99.832015] ? find_vma+0x34/0x190 [ 99.835557] __do_page_fault+0x620/0xe50 [ 99.839606] ? mm_fault_error+0x380/0x380 [ 99.843770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.849313] ? __x64_sys_clock_gettime+0x170/0x250 [ 99.854246] ? __ia32_sys_clock_settime+0x290/0x290 [ 99.859282] do_page_fault+0xf6/0x8c0 [ 99.863081] ? vmalloc_sync_all+0x30/0x30 [ 99.867250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.872789] ? do_syscall_64+0x497/0x820 [ 99.876844] ? syscall_return_slowpath+0x5e0/0x5e0 [ 99.881764] ? syscall_return_slowpath+0x31d/0x5e0 [ 99.887214] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 99.892227] ? prepare_exit_to_usermode+0x291/0x3b0 [ 99.897241] ? page_fault+0x8/0x30 [ 99.900772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 99.905625] ? page_fault+0x8/0x30 [ 99.909163] page_fault+0x1e/0x30 [ 99.912614] RIP: 0033:0x40e33f [ 99.915799] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 99.934697] RSP: 002b:00007fff21f1c920 EFLAGS: 00010206 [ 99.940054] RAX: 00007f2548663000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 99.947311] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 99.954574] RBP: 00007fff21f1ca00 R08: ffffffffffffffff R09: 0000000000000000 [ 99.961840] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff21f1caf0 [ 99.969108] R13: 00007f2548683700 R14: 0000000000000005 R15: 0000000000000001 [ 99.976958] Task in /ile0 killed as a result of limit of /ile0 [ 99.983035] memory: usage 404kB, limit 0kB, failcnt 23063 [ 99.988622] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 99.995761] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 100.002009] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 100.021494] Tasks state (memory values in pages): [ 100.026373] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 100.035895] [ 7053] 0 7053 9426 535 61440 0 0 syz-executor0 [ 100.044951] [ 7059] 0 7059 9426 534 65536 0 0 syz-executor7 [ 100.054078] [ 7077] 0 7077 9426 536 61440 0 0 syz-executor4 [ 100.063142] [ 7082] 0 7082 9426 537 65536 0 0 syz-executor6 [ 100.072568] [ 7083] 0 7083 9426 535 65536 0 0 syz-executor5 [ 100.081643] Memory cgroup out of memory: Kill process 7082 (syz-executor6) score 553000 or sacrifice child [ 100.091496] Killed process 7082 (syz-executor6) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 100.103088] oom_reaper: reaped process 7053 (syz-executor0), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 100.179677] oom_reaper: reaped process 7059 (syz-executor7), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 100.218666] syz-executor4 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 100.229634] syz-executor4 cpuset=/ mems_allowed=0 [ 100.243916] CPU: 1 PID: 7077 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 100.252339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.261801] Call Trace: [ 100.264396] dump_stack+0x1c9/0x2b4 [ 100.268016] ? dump_stack_print_info.cold.2+0x52/0x52 [ 100.273223] ? trace_hardirqs_on+0x10/0x10 [ 100.277468] dump_header+0x27b/0xf70 [ 100.281179] ? pagefault_out_of_memory+0x197/0x197 [ 100.286101] ? do_raw_spin_unlock+0xa7/0x2f0 [ 100.290675] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 100.295252] ? compat_start_thread+0x80/0x80 [ 100.299659] ? trace_hardirqs_on+0x10/0x10 [ 100.303895] ? kasan_check_write+0x14/0x20 [ 100.308151] ? finish_task_switch+0x2ca/0x870 [ 100.312640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 100.318174] ? css_next_child+0x1c3/0x620 [ 100.322314] ? find_lock_task_mm+0x230/0x4d0 [ 100.326720] ? cgroup_get_tree+0xb20/0xb20 [ 100.330945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 100.336477] ? task_will_free_mem+0x239/0xb70 [ 100.340971] ? lock_downgrade+0x8f0/0x8f0 [ 100.345112] ? ___ratelimit+0x36f/0x655 [ 100.349073] ? lock_downgrade+0x8f0/0x8f0 [ 100.353231] ? kasan_check_read+0x11/0x20 [ 100.357374] ? do_raw_spin_unlock+0xa7/0x2f0 [ 100.361775] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 100.366352] ? do_raw_spin_lock+0x200/0x200 [ 100.370673] ? oom_kill_process+0x258/0x290 [ 100.374986] ? lock_downgrade+0x8f0/0x8f0 [ 100.379125] ? trace_hardirqs_on+0xd/0x10 [ 100.383275] ? ___ratelimit+0xaa/0x655 [ 100.387150] ? idr_get_free+0x10d0/0x10d0 [ 100.391291] ? kasan_check_write+0x14/0x20 [ 100.395530] ? do_raw_spin_lock+0xc1/0x200 [ 100.399759] oom_kill_process.cold.28+0x10/0x95a [ 100.404523] ? kasan_check_write+0x14/0x20 [ 100.408748] ? do_raw_spin_lock+0xc1/0x200 [ 100.412976] ? trace_hardirqs_on+0xd/0x10 [ 100.418076] ? oom_evaluate_task+0x540/0x540 [ 100.422479] ? cgroup_procs_next+0x70/0x70 [ 100.426717] ? trace_hardirqs_on+0xd/0x10 [ 100.430873] ? _raw_spin_unlock_irq+0x27/0x70 [ 100.435363] ? oom_badness+0xb00/0xb00 [ 100.439241] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 100.444004] ? mem_cgroup_iter_break+0x30/0x30 [ 100.448592] ? shrink_node+0x16a0/0x16a0 [ 100.452655] ? lock_acquire+0x1e4/0x540 [ 100.456626] ? cgroup_file_notify+0x226/0x2f0 [ 100.461117] out_of_memory+0xa8a/0x14d0 [ 100.465086] ? kasan_check_read+0x11/0x20 [ 100.469225] ? oom_killer_disable+0x3a0/0x3a0 [ 100.473709] ? kasan_check_write+0x14/0x20 [ 100.478371] ? do_raw_spin_lock+0xc1/0x200 [ 100.482601] mem_cgroup_out_of_memory+0x15e/0x210 [ 100.487438] ? memcg_memory_event+0x40/0x40 [ 100.491753] ? page_counter_try_charge+0x1c7/0x220 [ 100.496687] try_charge+0x720/0x1680 [ 100.500412] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 100.507163] ? lock_downgrade+0x8f0/0x8f0 [ 100.511310] ? lock_release+0xa30/0xa30 [ 100.515282] ? __anon_vma_prepare+0xc4/0x720 [ 100.519860] ? handle_mm_fault+0x53e/0xc80 [ 100.524286] ? fs_reclaim_acquire+0x20/0x20 [ 100.528618] ? lock_downgrade+0x8f0/0x8f0 [ 100.532766] ? percpu_ref_put_many+0x119/0x240 [ 100.537346] ? get_mem_cgroup_from_mm+0x209/0x440 [ 100.542182] ? get_mem_cgroup_from_page+0x190/0x190 [ 100.547195] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 100.552028] ? lock_acquire+0x1e4/0x540 [ 100.555999] mem_cgroup_try_charge+0x4ff/0xa70 [ 100.560581] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 100.565618] ? mem_cgroup_protected+0xa60/0xa60 [ 100.570297] ? up_write+0x7b/0x220 [ 100.573830] ? up_read+0x110/0x110 [ 100.577392] ? __anon_vma_prepare+0x36d/0x720 [ 100.581877] ? pmd_val+0x88/0x100 [ 100.585341] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 100.590878] mem_cgroup_try_charge_delay+0x1d/0x90 [ 100.595847] __handle_mm_fault+0x25be/0x4470 [ 100.600254] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 100.605090] ? cap_mmap_addr+0x52/0x130 [ 100.609059] ? userfaultfd_unmap_complete+0x32a/0x510 [ 100.614243] ? security_mmap_addr+0x80/0xa0 [ 100.618570] ? lock_acquire+0x1e4/0x540 [ 100.622538] ? handle_mm_fault+0x417/0xc80 [ 100.626770] ? lock_downgrade+0x8f0/0x8f0 [ 100.630910] ? lock_release+0xa30/0xa30 [ 100.634879] ? lock_release+0xa30/0xa30 [ 100.638853] ? down_read_killable+0x200/0x200 [ 100.643346] ? mem_cgroup_from_task+0xcb/0x1f0 [ 100.647922] ? get_mctgt_type+0xde0/0xde0 [ 100.652069] handle_mm_fault+0x53e/0xc80 [ 100.656138] ? __handle_mm_fault+0x4470/0x4470 [ 100.660715] ? find_vma+0x34/0x190 [ 100.664252] __do_page_fault+0x620/0xe50 [ 100.668330] ? mm_fault_error+0x380/0x380 [ 100.672476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 100.678015] ? __x64_sys_clock_gettime+0x170/0x250 [ 100.682937] ? __ia32_sys_clock_settime+0x290/0x290 [ 100.687951] do_page_fault+0xf6/0x8c0 [ 100.691855] ? vmalloc_sync_all+0x30/0x30 [ 100.696016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 100.701556] ? do_syscall_64+0x497/0x820 [ 100.705613] ? syscall_return_slowpath+0x5e0/0x5e0 [ 100.710551] ? syscall_return_slowpath+0x31d/0x5e0 [ 100.715544] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 100.720555] ? prepare_exit_to_usermode+0x291/0x3b0 [ 100.725566] ? page_fault+0x8/0x30 [ 100.729096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 100.733938] ? page_fault+0x8/0x30 [ 100.737475] page_fault+0x1e/0x30 [ 100.740931] RIP: 0033:0x40e33f [ 100.744129] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 100.763042] RSP: 002b:00007ffcc7fddb40 EFLAGS: 00010206 [ 100.768400] RAX: 00007f834cce8000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 100.775768] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 100.783030] RBP: 00007ffcc7fddc20 R08: ffffffffffffffff R09: 0000000000000000 [ 100.790296] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcc7fddd10 [ 100.797563] R13: 00007f834cd08700 R14: 0000000000000005 R15: 0000000000000001 [ 100.804950] Task in /ile0 killed as a result of limit of /ile0 [ 100.810965] memory: usage 412kB, limit 0kB, failcnt 24175 [ 100.816534] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 100.823292] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 100.829448] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 100.848875] Tasks state (memory values in pages): [ 100.853725] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 100.862627] [ 7065] 0 7059 9426 0 61440 0 0 syz-executor7 [ 100.871670] [ 7077] 0 7077 9426 536 61440 0 0 syz-executor4 [ 100.880709] [ 7083] 0 7083 9426 535 65536 0 0 syz-executor5 [ 100.889766] [ 7102] 0 7102 9426 535 61440 0 0 syz-executor0 [ 100.898833] [ 7108] 0 7108 9426 537 65536 0 0 syz-executor6 [ 100.907885] Memory cgroup out of memory: Kill process 7108 (syz-executor6) score 553000 or sacrifice child [ 100.917720] Killed process 7108 (syz-executor6) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 100.929596] oom_reaper: reaped process 7083 (syz-executor5), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 100.942687] oom_reaper: reaped process 7089 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 100.953019] syz-executor0 invoked oom-killer: gfp_mask=0x6040d0(GFP_KERNEL|__GFP_COMP|__GFP_RECLAIMABLE), nodemask=(null), order=0, oom_score_adj=0 [ 100.966449] syz-executor0 cpuset=/ mems_allowed=0 [ 100.971444] CPU: 1 PID: 7105 Comm: syz-executor0 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 100.979778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.989136] Call Trace: [ 100.991723] dump_stack+0x1c9/0x2b4 [ 100.995357] ? dump_stack_print_info.cold.2+0x52/0x52 [ 101.000806] dump_header+0x27b/0xf70 [ 101.004517] ? finish_task_switch+0x1d3/0x870 [ 101.009002] ? trace_hardirqs_on+0x10/0x10 [ 101.013226] ? pagefault_out_of_memory+0x197/0x197 [ 101.018147] ? do_raw_spin_unlock+0xa7/0x2f0 [ 101.022548] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 101.027207] ? compat_start_thread+0x80/0x80 [ 101.031615] ? trace_hardirqs_on+0x10/0x10 [ 101.035905] ? kasan_check_write+0x14/0x20 [ 101.040137] ? trace_hardirqs_on+0x10/0x10 [ 101.044371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 101.049914] ? css_next_child+0x1c3/0x620 [ 101.054052] ? find_lock_task_mm+0x230/0x4d0 [ 101.058453] ? cgroup_get_tree+0xb20/0xb20 [ 101.062682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 101.068206] ? task_will_free_mem+0x239/0xb70 [ 101.072704] ? lock_downgrade+0x8f0/0x8f0 [ 101.076843] ? ___ratelimit+0x36f/0x655 [ 101.080894] ? lock_downgrade+0x8f0/0x8f0 [ 101.085027] ? kasan_check_read+0x11/0x20 [ 101.089175] ? do_raw_spin_unlock+0xa7/0x2f0 [ 101.093580] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 101.098162] ? do_raw_spin_lock+0x200/0x200 [ 101.102492] ? oom_kill_process+0x258/0x290 [ 101.106804] ? lock_downgrade+0x8f0/0x8f0 [ 101.110953] ? trace_hardirqs_on+0xd/0x10 [ 101.115179] ? ___ratelimit+0xaa/0x655 [ 101.119071] ? idr_get_free+0x10d0/0x10d0 [ 101.123216] ? kasan_check_write+0x14/0x20 [ 101.127464] ? do_raw_spin_lock+0xc1/0x200 [ 101.131706] oom_kill_process.cold.28+0x10/0x95a [ 101.136464] ? kasan_check_write+0x14/0x20 [ 101.140707] ? do_raw_spin_lock+0xc1/0x200 [ 101.144936] ? trace_hardirqs_on+0xd/0x10 [ 101.149072] ? oom_evaluate_task+0x540/0x540 [ 101.153488] ? cgroup_procs_next+0x70/0x70 [ 101.157713] ? trace_hardirqs_on+0xd/0x10 [ 101.161853] ? _raw_spin_unlock_irq+0x27/0x70 [ 101.166344] ? oom_badness+0xb00/0xb00 [ 101.170939] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 101.175694] ? mem_cgroup_iter_break+0x30/0x30 [ 101.180264] ? shrink_node+0x16a0/0x16a0 [ 101.184321] ? lock_acquire+0x1e4/0x540 [ 101.188332] ? cgroup_file_notify+0x226/0x2f0 [ 101.192836] out_of_memory+0xa8a/0x14d0 [ 101.196810] ? kasan_check_read+0x11/0x20 [ 101.200954] ? oom_killer_disable+0x3a0/0x3a0 [ 101.205455] ? kasan_check_write+0x14/0x20 [ 101.209698] ? do_raw_spin_lock+0xc1/0x200 [ 101.213926] ? trace_hardirqs_on+0xd/0x10 [ 101.218067] mem_cgroup_out_of_memory+0x15e/0x210 [ 101.222903] ? memcg_memory_event+0x40/0x40 [ 101.227217] ? page_counter_try_charge+0x1c7/0x220 [ 101.232137] try_charge+0x720/0x1680 [ 101.235842] ? lock_acquire+0x1e4/0x540 [ 101.239808] ? fs_reclaim_acquire+0x20/0x20 [ 101.244123] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 101.250889] ? rcu_note_context_switch+0x730/0x730 [ 101.255816] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 101.260651] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 101.265666] memcg_kmem_charge_memcg+0x7c/0x120 [ 101.270337] ? memcg_kmem_put_cache+0xb0/0xb0 [ 101.274841] ? __free_pages+0x10a/0x190 [ 101.278813] cache_grow_begin+0x207/0x710 [ 101.282963] ? do_raw_spin_unlock+0xa7/0x2f0 [ 101.287368] fallback_alloc+0x203/0x2c0 [ 101.291342] ____cache_alloc_node+0x1c7/0x1e0 [ 101.295853] kmem_cache_alloc+0x1e5/0x760 [ 101.299996] __d_alloc+0xc8/0xd50 [ 101.303445] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 101.308464] ? ktime_get_coarse_real_ts64+0x243/0x3a0 [ 101.313668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 101.319207] ? timespec64_trunc+0xea/0x180 [ 101.323435] ? inode_init_owner+0x340/0x340 [ 101.327783] ? _raw_spin_unlock+0x22/0x30 [ 101.331921] ? current_time+0x10b/0x1b0 [ 101.335897] ? __lockdep_init_map+0x105/0x590 [ 101.340408] d_alloc_pseudo+0x1d/0x30 [ 101.344199] alloc_file_pseudo+0x158/0x3f0 [ 101.348423] ? alloc_file+0x430/0x430 [ 101.352209] ? check_same_owner+0x340/0x340 [ 101.356516] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 101.361518] ? __check_object_size+0xa3/0x5d7 [ 101.366001] ? kasan_check_write+0x14/0x20 [ 101.370341] __shmem_file_setup.part.48+0x110/0x2a0 [ 101.375358] shmem_file_setup+0x65/0x90 [ 101.379321] __x64_sys_memfd_create+0x2af/0x4f0 [ 101.383992] ? memfd_fcntl+0x1e80/0x1e80 [ 101.388046] do_syscall_64+0x1b9/0x820 [ 101.392050] ? syscall_return_slowpath+0x5e0/0x5e0 [ 101.397092] ? syscall_return_slowpath+0x31d/0x5e0 [ 101.402012] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 101.407279] ? __switch_to_asm+0x34/0x70 [ 101.411333] ? __switch_to_asm+0x34/0x70 [ 101.415394] ? __switch_to_asm+0x40/0x70 [ 101.419441] ? __switch_to_asm+0x34/0x70 [ 101.423509] ? __switch_to_asm+0x34/0x70 [ 101.427554] ? __switch_to_asm+0x40/0x70 [ 101.431612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 101.436441] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.441632] RIP: 0033:0x456b29 [ 101.444811] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 101.463717] RSP: 002b:00007fd964f61a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 101.471421] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 101.478768] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 101.486024] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 101.493293] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 101.500560] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 101.507954] Task in /ile0 killed as a result of limit of /ile0 [ 101.514017] memory: usage 432kB, limit 0kB, failcnt 24616 [ 101.519584] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 101.526362] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 101.532531] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 101.551985] Tasks state (memory values in pages): [ 101.556846] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 101.566088] [ 7102] 0 7102 9426 535 61440 0 0 syz-executor0 [ 101.575136] Memory cgroup out of memory: Kill process 7102 (syz-executor0) score 550000 or sacrifice child [ 101.584980] Killed process 7102 (syz-executor0) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 101.596554] oom_reaper: reaped process 7102 (syz-executor0), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 101.691980] syz-executor3 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 101.703039] syz-executor3 cpuset=/ mems_allowed=0 [ 101.707985] CPU: 1 PID: 7126 Comm: syz-executor3 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 101.716335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.725701] Call Trace: [ 101.728310] dump_stack+0x1c9/0x2b4 [ 101.731955] ? dump_stack_print_info.cold.2+0x52/0x52 [ 101.737163] ? trace_hardirqs_on+0x10/0x10 [ 101.741393] dump_header+0x27b/0xf70 [ 101.745110] ? pagefault_out_of_memory+0x197/0x197 [ 101.750050] ? do_raw_spin_unlock+0xa7/0x2f0 [ 101.754461] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 101.759995] ? compat_start_thread+0x80/0x80 [ 101.764409] ? trace_hardirqs_on+0x10/0x10 [ 101.768650] ? kasan_check_write+0x14/0x20 [ 101.772878] ? finish_task_switch+0x2ca/0x870 [ 101.777377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 101.782911] ? css_next_child+0x1c3/0x620 [ 101.787048] ? find_lock_task_mm+0x230/0x4d0 [ 101.791480] ? cgroup_get_tree+0xb20/0xb20 [ 101.795718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 101.801250] ? task_will_free_mem+0x239/0xb70 [ 101.805742] ? lock_downgrade+0x8f0/0x8f0 [ 101.809891] ? ___ratelimit+0x36f/0x655 [ 101.813863] ? lock_downgrade+0x8f0/0x8f0 [ 101.818000] ? kasan_check_read+0x11/0x20 [ 101.822135] ? do_raw_spin_unlock+0xa7/0x2f0 [ 101.826527] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 101.831107] ? do_raw_spin_lock+0x200/0x200 [ 101.835416] ? oom_kill_process+0x258/0x290 [ 101.839741] ? lock_downgrade+0x8f0/0x8f0 [ 101.843879] ? trace_hardirqs_on+0xd/0x10 [ 101.848020] ? ___ratelimit+0xaa/0x655 [ 101.851987] ? idr_get_free+0x10d0/0x10d0 [ 101.856135] ? kasan_check_write+0x14/0x20 [ 101.860364] ? do_raw_spin_lock+0xc1/0x200 [ 101.864601] oom_kill_process.cold.28+0x10/0x95a [ 101.869352] ? kasan_check_write+0x14/0x20 [ 101.873577] ? do_raw_spin_lock+0xc1/0x200 [ 101.877801] ? trace_hardirqs_on+0xd/0x10 [ 101.881954] ? oom_evaluate_task+0x540/0x540 [ 101.886368] ? cgroup_procs_next+0x70/0x70 [ 101.890622] ? trace_hardirqs_on+0xd/0x10 [ 101.894762] ? _raw_spin_unlock_irq+0x27/0x70 [ 101.899242] ? oom_badness+0xb00/0xb00 [ 101.903122] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 101.907869] ? mem_cgroup_iter_break+0x30/0x30 [ 101.912449] ? shrink_node+0x16a0/0x16a0 [ 101.916516] ? lock_acquire+0x1e4/0x540 [ 101.920497] ? cgroup_file_notify+0x226/0x2f0 [ 101.924999] out_of_memory+0xa8a/0x14d0 [ 101.928964] ? kasan_check_read+0x11/0x20 [ 101.933104] ? oom_killer_disable+0x3a0/0x3a0 [ 101.937598] ? kasan_check_write+0x14/0x20 [ 101.941837] ? do_raw_spin_lock+0xc1/0x200 [ 101.946069] mem_cgroup_out_of_memory+0x15e/0x210 [ 101.950912] ? memcg_memory_event+0x40/0x40 [ 101.955222] ? page_counter_try_charge+0x1c7/0x220 [ 101.960145] try_charge+0x720/0x1680 [ 101.963864] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 101.970611] ? lock_downgrade+0x8f0/0x8f0 [ 101.974757] ? lock_release+0xa30/0xa30 [ 101.978728] ? __anon_vma_prepare+0xc4/0x720 [ 101.983121] ? handle_mm_fault+0x53e/0xc80 [ 101.987367] ? fs_reclaim_acquire+0x20/0x20 [ 101.991702] ? lock_downgrade+0x8f0/0x8f0 [ 101.995843] ? percpu_ref_put_many+0x119/0x240 [ 102.000427] ? get_mem_cgroup_from_mm+0x209/0x440 [ 102.005294] ? get_mem_cgroup_from_page+0x190/0x190 [ 102.010317] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 102.015164] ? lock_acquire+0x1e4/0x540 [ 102.019139] mem_cgroup_try_charge+0x4ff/0xa70 [ 102.023729] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 102.028747] ? mem_cgroup_protected+0xa60/0xa60 [ 102.033407] ? up_write+0x7b/0x220 [ 102.036942] ? up_read+0x110/0x110 [ 102.040494] ? __anon_vma_prepare+0x36d/0x720 [ 102.044978] ? pmd_val+0x88/0x100 [ 102.048432] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 102.053982] mem_cgroup_try_charge_delay+0x1d/0x90 [ 102.058913] __handle_mm_fault+0x25be/0x4470 [ 102.063312] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 102.068153] ? cap_mmap_addr+0x52/0x130 [ 102.072117] ? userfaultfd_unmap_complete+0x32a/0x510 [ 102.077305] ? security_mmap_addr+0x80/0xa0 [ 102.081638] ? lock_acquire+0x1e4/0x540 [ 102.085623] ? handle_mm_fault+0x417/0xc80 [ 102.089848] ? lock_downgrade+0x8f0/0x8f0 [ 102.093986] ? lock_release+0xa30/0xa30 [ 102.097951] ? lock_release+0xa30/0xa30 [ 102.101919] ? down_read_killable+0x200/0x200 [ 102.106407] ? mem_cgroup_from_task+0xcb/0x1f0 [ 102.110978] ? get_mctgt_type+0xde0/0xde0 [ 102.115112] handle_mm_fault+0x53e/0xc80 [ 102.119161] ? __handle_mm_fault+0x4470/0x4470 [ 102.123731] ? find_vma+0x34/0x190 [ 102.127262] __do_page_fault+0x620/0xe50 [ 102.131313] ? mm_fault_error+0x380/0x380 [ 102.135473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.141014] ? __x64_sys_clock_gettime+0x170/0x250 [ 102.145929] ? __ia32_sys_clock_settime+0x290/0x290 [ 102.150949] do_page_fault+0xf6/0x8c0 [ 102.154741] ? vmalloc_sync_all+0x30/0x30 [ 102.158880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.164426] ? do_syscall_64+0x497/0x820 [ 102.168486] ? syscall_return_slowpath+0x5e0/0x5e0 [ 102.173417] ? syscall_return_slowpath+0x31d/0x5e0 [ 102.178358] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 102.183374] ? prepare_exit_to_usermode+0x291/0x3b0 [ 102.188386] ? page_fault+0x8/0x30 [ 102.191930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 102.196770] ? page_fault+0x8/0x30 [ 102.200299] page_fault+0x1e/0x30 [ 102.203754] RIP: 0033:0x40e33f [ 102.206940] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 102.225841] RSP: 002b:00007fff823ff3b0 EFLAGS: 00010206 [ 102.231208] RAX: 00007f03fc0e3000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 102.238491] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 102.245755] RBP: 00007fff823ff490 R08: ffffffffffffffff R09: 0000000000000000 [ 102.253020] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff823ff580 [ 102.260280] R13: 00007f03fc103700 R14: 0000000000000007 R15: 0000000000000001 [ 102.267603] Task in /ile0 killed as a result of limit of /ile0 [ 102.273663] memory: usage 436kB, limit 0kB, failcnt 24702 [ 102.279242] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 102.286031] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 102.292211] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 102.311657] Tasks state (memory values in pages): [ 102.316521] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 102.325423] [ 7126] 0 7126 9426 537 65536 0 0 syz-executor3 [ 102.334472] [ 7131] 0 7131 9426 536 61440 0 0 syz-executor4 [ 102.343527] [ 7132] 0 7132 9426 534 65536 0 0 syz-executor7 [ 102.352577] [ 7134] 0 7134 9426 535 65536 0 0 syz-executor5 [ 102.361641] [ 7136] 0 7136 9426 535 65536 0 0 syz-executor1 [ 102.370695] [ 7138] 0 7138 9426 537 65536 0 0 syz-executor6 [ 102.379754] Memory cgroup out of memory: Kill process 7126 (syz-executor3) score 553000 or sacrifice child [ 102.389634] Killed process 7126 (syz-executor3) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 102.401069] oom_reaper: reaped process 7126 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 102.412785] syz-executor7 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 102.423797] syz-executor7 cpuset=/ mems_allowed=0 [ 102.428712] CPU: 0 PID: 7132 Comm: syz-executor7 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 102.437043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.446388] Call Trace: [ 102.448996] dump_stack+0x1c9/0x2b4 [ 102.452625] ? dump_stack_print_info.cold.2+0x52/0x52 [ 102.457822] ? trace_hardirqs_on+0x10/0x10 [ 102.462086] dump_header+0x27b/0xf70 [ 102.465812] ? pagefault_out_of_memory+0x197/0x197 [ 102.470736] ? do_raw_spin_unlock+0xa7/0x2f0 [ 102.475138] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 102.479714] ? compat_start_thread+0x80/0x80 [ 102.484127] ? trace_hardirqs_on+0x10/0x10 [ 102.488360] ? trace_hardirqs_on+0xd/0x10 [ 102.492510] ? _raw_spin_unlock_irq+0x27/0x70 [ 102.497277] ? finish_task_switch+0x1d3/0x870 [ 102.501780] ? finish_task_switch+0x18a/0x870 [ 102.506282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.511823] ? css_next_child+0x1c3/0x620 [ 102.516020] ? find_lock_task_mm+0x230/0x4d0 [ 102.520435] ? cgroup_get_tree+0xb20/0xb20 [ 102.524676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.530216] ? task_will_free_mem+0x239/0xb70 [ 102.534706] ? lock_downgrade+0x8f0/0x8f0 [ 102.538847] ? ___ratelimit+0x36f/0x655 [ 102.542817] ? lock_downgrade+0x8f0/0x8f0 [ 102.546956] ? kasan_check_read+0x11/0x20 [ 102.551102] ? do_raw_spin_unlock+0xa7/0x2f0 [ 102.555509] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 102.560185] ? do_raw_spin_lock+0x200/0x200 [ 102.564509] ? oom_kill_process+0x258/0x290 [ 102.568836] ? lock_downgrade+0x8f0/0x8f0 [ 102.572976] ? trace_hardirqs_on+0xd/0x10 [ 102.577125] ? ___ratelimit+0xaa/0x655 [ 102.581014] ? idr_get_free+0x10d0/0x10d0 [ 102.585819] ? kasan_check_write+0x14/0x20 [ 102.590047] ? do_raw_spin_lock+0xc1/0x200 [ 102.594276] oom_kill_process.cold.28+0x10/0x95a [ 102.599045] ? kasan_check_write+0x14/0x20 [ 102.603285] ? do_raw_spin_lock+0xc1/0x200 [ 102.607536] ? trace_hardirqs_on+0xd/0x10 [ 102.611680] ? oom_evaluate_task+0x540/0x540 [ 102.616108] ? cgroup_procs_next+0x70/0x70 [ 102.620355] ? trace_hardirqs_on+0xd/0x10 [ 102.624501] ? _raw_spin_unlock_irq+0x27/0x70 [ 102.628991] ? oom_badness+0xb00/0xb00 [ 102.632869] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 102.637624] ? mem_cgroup_iter_break+0x30/0x30 [ 102.642202] ? shrink_node+0x16a0/0x16a0 [ 102.646274] ? lock_acquire+0x1e4/0x540 [ 102.650259] ? cgroup_file_notify+0x226/0x2f0 [ 102.654747] out_of_memory+0xa8a/0x14d0 [ 102.658722] ? kasan_check_read+0x11/0x20 [ 102.662873] ? oom_killer_disable+0x3a0/0x3a0 [ 102.667369] ? kasan_check_write+0x14/0x20 [ 102.671603] ? do_raw_spin_lock+0xc1/0x200 [ 102.675854] mem_cgroup_out_of_memory+0x15e/0x210 [ 102.680704] ? memcg_memory_event+0x40/0x40 [ 102.685015] ? page_counter_try_charge+0x1c7/0x220 [ 102.689961] try_charge+0x720/0x1680 [ 102.693670] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 102.700422] ? lock_downgrade+0x8f0/0x8f0 [ 102.704575] ? lock_release+0xa30/0xa30 [ 102.708548] ? __anon_vma_prepare+0xc4/0x720 [ 102.712955] ? handle_mm_fault+0x53e/0xc80 [ 102.717265] ? fs_reclaim_acquire+0x20/0x20 [ 102.721575] ? lock_downgrade+0x8f0/0x8f0 [ 102.725711] ? percpu_ref_put_many+0x119/0x240 [ 102.730283] ? get_mem_cgroup_from_mm+0x209/0x440 [ 102.735114] ? get_mem_cgroup_from_page+0x190/0x190 [ 102.740124] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 102.744973] ? lock_acquire+0x1e4/0x540 [ 102.749037] mem_cgroup_try_charge+0x4ff/0xa70 [ 102.753609] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 102.758653] ? mem_cgroup_protected+0xa60/0xa60 [ 102.763322] ? up_write+0x7b/0x220 [ 102.766859] ? up_read+0x110/0x110 [ 102.770397] ? __anon_vma_prepare+0x36d/0x720 [ 102.774879] ? pmd_val+0x88/0x100 [ 102.778319] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 102.783864] mem_cgroup_try_charge_delay+0x1d/0x90 [ 102.788786] __handle_mm_fault+0x25be/0x4470 [ 102.793181] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 102.798016] ? cap_mmap_addr+0x52/0x130 [ 102.801991] ? userfaultfd_unmap_complete+0x32a/0x510 [ 102.807167] ? security_mmap_addr+0x80/0xa0 [ 102.811488] ? lock_acquire+0x1e4/0x540 [ 102.815455] ? handle_mm_fault+0x417/0xc80 [ 102.819701] ? lock_downgrade+0x8f0/0x8f0 [ 102.823853] ? lock_release+0xa30/0xa30 [ 102.827818] ? lock_release+0xa30/0xa30 [ 102.831779] ? down_read_killable+0x200/0x200 [ 102.836260] ? mem_cgroup_from_task+0xcb/0x1f0 [ 102.840839] ? get_mctgt_type+0xde0/0xde0 [ 102.844976] handle_mm_fault+0x53e/0xc80 [ 102.849030] ? __handle_mm_fault+0x4470/0x4470 [ 102.853606] ? find_vma+0x34/0x190 [ 102.857139] __do_page_fault+0x620/0xe50 [ 102.861186] ? mm_fault_error+0x380/0x380 [ 102.865322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.870867] ? __x64_sys_clock_gettime+0x170/0x250 [ 102.875796] ? __ia32_sys_clock_settime+0x290/0x290 [ 102.880803] do_page_fault+0xf6/0x8c0 [ 102.884601] ? vmalloc_sync_all+0x30/0x30 [ 102.888754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.894280] ? do_syscall_64+0x497/0x820 [ 102.898335] ? syscall_return_slowpath+0x5e0/0x5e0 [ 102.903263] ? syscall_return_slowpath+0x31d/0x5e0 [ 102.908194] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 102.913200] ? prepare_exit_to_usermode+0x291/0x3b0 [ 102.918207] ? page_fault+0x8/0x30 [ 102.921735] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 102.926574] ? page_fault+0x8/0x30 [ 102.930105] page_fault+0x1e/0x30 [ 102.933554] RIP: 0033:0x40e33f [ 102.936752] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 102.955641] RSP: 002b:00007ffe6bfe9770 EFLAGS: 00010206 [ 102.961002] RAX: 00007f420ee76000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 102.968279] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 102.975539] RBP: 00007ffe6bfe9850 R08: ffffffffffffffff R09: 0000000000000000 [ 102.982803] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe6bfe9940 [ 102.990065] R13: 00007f420ee96700 R14: 0000000000000005 R15: 0000000000000001 [ 102.997501] Task in /ile0 killed as a result of limit of /ile0 [ 103.003562] memory: usage 436kB, limit 0kB, failcnt 24925 [ 103.009126] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 103.015925] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 103.022097] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 103.041573] Tasks state (memory values in pages): [ 103.046451] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 103.055346] [ 7131] 0 7131 9426 536 61440 0 0 syz-executor4 [ 103.064434] [ 7132] 0 7132 9426 534 65536 0 0 syz-executor7 [ 103.073527] [ 7134] 0 7134 9426 535 65536 0 0 syz-executor5 [ 103.082616] [ 7136] 0 7136 9426 535 65536 0 0 syz-executor1 [ 103.091676] [ 7138] 0 7138 9426 537 65536 0 0 syz-executor6 [ 103.100728] Memory cgroup out of memory: Kill process 7138 (syz-executor6) score 553000 or sacrifice child [ 103.110670] Killed process 7138 (syz-executor6) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 103.121887] oom_reaper: reaped process 7138 (syz-executor6), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 103.140937] syz-executor4 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 103.151872] syz-executor4 cpuset=/ mems_allowed=0 [ 103.156761] CPU: 1 PID: 7131 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 103.165500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.174843] Call Trace: [ 103.177436] dump_stack+0x1c9/0x2b4 [ 103.181051] ? dump_stack_print_info.cold.2+0x52/0x52 [ 103.186230] ? trace_hardirqs_on+0x10/0x10 [ 103.190469] dump_header+0x27b/0xf70 [ 103.194193] ? pagefault_out_of_memory+0x197/0x197 [ 103.199140] ? free_unref_page+0x9a0/0x9a0 [ 103.203390] ? trace_hardirqs_on+0xd/0x10 [ 103.207562] ? trace_hardirqs_on+0x10/0x10 [ 103.211793] ? put_task_stack+0x188/0x2c0 [ 103.215937] ? kasan_check_write+0x14/0x20 [ 103.220163] ? finish_task_switch+0x5e7/0x870 [ 103.224656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.230196] ? css_next_child+0x1c3/0x620 [ 103.234350] ? find_lock_task_mm+0x230/0x4d0 [ 103.238762] ? cgroup_get_tree+0xb20/0xb20 [ 103.243075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.248605] ? task_will_free_mem+0x239/0xb70 [ 103.253095] ? lock_downgrade+0x8f0/0x8f0 [ 103.257243] ? ___ratelimit+0x36f/0x655 [ 103.261217] ? lock_downgrade+0x8f0/0x8f0 [ 103.265358] ? kasan_check_read+0x11/0x20 [ 103.269505] ? do_raw_spin_unlock+0xa7/0x2f0 [ 103.273914] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 103.278489] ? do_raw_spin_lock+0x200/0x200 [ 103.282802] ? oom_kill_process+0x258/0x290 [ 103.287115] ? lock_downgrade+0x8f0/0x8f0 [ 103.291268] ? trace_hardirqs_on+0xd/0x10 [ 103.295411] ? ___ratelimit+0xaa/0x655 [ 103.299286] ? idr_get_free+0x10d0/0x10d0 [ 103.303423] ? kasan_check_write+0x14/0x20 [ 103.307660] ? do_raw_spin_lock+0xc1/0x200 [ 103.311884] oom_kill_process.cold.28+0x10/0x95a [ 103.316631] ? kasan_check_write+0x14/0x20 [ 103.320861] ? do_raw_spin_lock+0xc1/0x200 [ 103.325104] ? trace_hardirqs_on+0xd/0x10 [ 103.329257] ? oom_evaluate_task+0x540/0x540 [ 103.333669] ? cgroup_procs_next+0x70/0x70 [ 103.337893] ? trace_hardirqs_on+0xd/0x10 [ 103.342032] ? _raw_spin_unlock_irq+0x27/0x70 [ 103.346532] ? oom_badness+0xb00/0xb00 [ 103.350413] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 103.355156] ? mem_cgroup_iter_break+0x30/0x30 [ 103.359725] ? shrink_node+0x16a0/0x16a0 [ 103.363781] ? lock_acquire+0x1e4/0x540 [ 103.367746] ? cgroup_file_notify+0x226/0x2f0 [ 103.372234] out_of_memory+0xa8a/0x14d0 [ 103.376203] ? kasan_check_read+0x11/0x20 [ 103.380348] ? oom_killer_disable+0x3a0/0x3a0 [ 103.384834] ? kasan_check_write+0x14/0x20 [ 103.389058] ? do_raw_spin_lock+0xc1/0x200 [ 103.393289] mem_cgroup_out_of_memory+0x15e/0x210 [ 103.398123] ? memcg_memory_event+0x40/0x40 [ 103.402435] ? page_counter_try_charge+0x1c7/0x220 [ 103.407366] try_charge+0x720/0x1680 [ 103.411104] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 103.417862] ? lock_downgrade+0x8f0/0x8f0 [ 103.422004] ? lock_release+0xa30/0xa30 [ 103.425967] ? __anon_vma_prepare+0xc4/0x720 [ 103.430364] ? handle_mm_fault+0x53e/0xc80 [ 103.434599] ? fs_reclaim_acquire+0x20/0x20 [ 103.438912] ? lock_downgrade+0x8f0/0x8f0 [ 103.443055] ? percpu_ref_put_many+0x119/0x240 [ 103.447627] ? get_mem_cgroup_from_mm+0x209/0x440 [ 103.452460] ? get_mem_cgroup_from_page+0x190/0x190 [ 103.457501] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 103.462337] ? lock_acquire+0x1e4/0x540 [ 103.466304] mem_cgroup_try_charge+0x4ff/0xa70 [ 103.470897] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 103.475907] ? mem_cgroup_protected+0xa60/0xa60 [ 103.480584] ? up_write+0x7b/0x220 [ 103.484113] ? up_read+0x110/0x110 [ 103.487646] ? __anon_vma_prepare+0x36d/0x720 [ 103.492154] ? pmd_val+0x88/0x100 [ 103.495606] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 103.501140] mem_cgroup_try_charge_delay+0x1d/0x90 [ 103.506069] __handle_mm_fault+0x25be/0x4470 [ 103.510493] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 103.515350] ? cap_mmap_addr+0x52/0x130 [ 103.519327] ? userfaultfd_unmap_complete+0x32a/0x510 [ 103.524531] ? security_mmap_addr+0x80/0xa0 [ 103.528875] ? lock_acquire+0x1e4/0x540 [ 103.532859] ? handle_mm_fault+0x417/0xc80 [ 103.537088] ? lock_downgrade+0x8f0/0x8f0 [ 103.541228] ? lock_release+0xa30/0xa30 [ 103.545546] ? lock_release+0xa30/0xa30 [ 103.549513] ? down_read_killable+0x200/0x200 [ 103.554021] ? mem_cgroup_from_task+0xcb/0x1f0 [ 103.559056] ? get_mctgt_type+0xde0/0xde0 [ 103.563201] handle_mm_fault+0x53e/0xc80 [ 103.567256] ? __handle_mm_fault+0x4470/0x4470 [ 103.571852] ? find_vma+0x34/0x190 [ 103.575393] __do_page_fault+0x620/0xe50 [ 103.579447] ? mm_fault_error+0x380/0x380 [ 103.583598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.589405] ? __x64_sys_clock_gettime+0x170/0x250 [ 103.594355] ? __ia32_sys_clock_settime+0x290/0x290 [ 103.599381] do_page_fault+0xf6/0x8c0 [ 103.603214] ? vmalloc_sync_all+0x30/0x30 [ 103.607362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.612905] ? do_syscall_64+0x497/0x820 [ 103.616971] ? syscall_return_slowpath+0x5e0/0x5e0 [ 103.621895] ? syscall_return_slowpath+0x31d/0x5e0 [ 103.626844] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 103.631858] ? prepare_exit_to_usermode+0x291/0x3b0 [ 103.636867] ? page_fault+0x8/0x30 [ 103.640412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 103.645247] ? page_fault+0x8/0x30 [ 103.648782] page_fault+0x1e/0x30 [ 103.652229] RIP: 0033:0x40e33f [ 103.655438] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 103.674507] RSP: 002b:00007ffcc7fddb40 EFLAGS: 00010206 [ 103.679885] RAX: 00007f834cce8000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 103.687149] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 103.694411] RBP: 00007ffcc7fddc20 R08: ffffffffffffffff R09: 0000000000000000 [ 103.701674] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcc7fddd10 [ 103.708939] R13: 00007f834cd08700 R14: 0000000000000005 R15: 0000000000000001 [ 103.717378] Task in /ile0 killed as a result of limit of /ile0 [ 103.723445] memory: usage 440kB, limit 0kB, failcnt 25351 [ 103.729028] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 103.735816] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 103.741974] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 103.761445] Tasks state (memory values in pages): [ 103.766307] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 103.775220] [ 7131] 0 7131 9426 536 61440 0 0 syz-executor4 [ 103.784276] [ 7132] 0 7132 9426 534 65536 0 0 syz-executor7 [ 103.793314] [ 7134] 0 7134 9426 535 65536 0 0 syz-executor5 [ 103.802410] [ 7136] 0 7136 9426 535 65536 0 0 syz-executor1 [ 103.811486] Memory cgroup out of memory: Kill process 7131 (syz-executor4) score 551000 or sacrifice child [ 103.821367] Killed process 7131 (syz-executor4) total-vm:37704kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 103.834331] oom_reaper: reaped process 7131 (syz-executor4), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 103.835604] syz-executor5 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 103.856100] syz-executor5 cpuset=/ mems_allowed=0 [ 103.861018] CPU: 0 PID: 7144 Comm: syz-executor5 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 103.869333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.878681] Call Trace: [ 103.881265] dump_stack+0x1c9/0x2b4 [ 103.884891] ? dump_stack_print_info.cold.2+0x52/0x52 [ 103.890082] ? trace_hardirqs_on+0x10/0x10 [ 103.894312] dump_header+0x27b/0xf70 [ 103.898196] ? pagefault_out_of_memory+0x197/0x197 [ 103.903123] ? do_raw_spin_unlock+0xa7/0x2f0 [ 103.907533] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 103.912128] ? compat_start_thread+0x80/0x80 [ 103.916527] ? trace_hardirqs_on+0x10/0x10 [ 103.920751] ? kasan_check_write+0x14/0x20 [ 103.924975] ? finish_task_switch+0x2ca/0x870 [ 103.929459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.934991] ? css_next_child+0x1c3/0x620 [ 103.939146] ? find_lock_task_mm+0x230/0x4d0 [ 103.943549] ? cgroup_get_tree+0xb20/0xb20 [ 103.947774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.953307] ? task_will_free_mem+0x239/0xb70 [ 103.957793] ? lock_downgrade+0x8f0/0x8f0 [ 103.961927] ? ___ratelimit+0x36f/0x655 [ 103.965889] ? lock_downgrade+0x8f0/0x8f0 [ 103.970025] ? kasan_check_read+0x11/0x20 [ 103.974163] ? do_raw_spin_unlock+0xa7/0x2f0 [ 103.978555] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 103.983123] ? do_raw_spin_lock+0x200/0x200 [ 103.987431] ? oom_kill_process+0x258/0x290 [ 103.991739] ? lock_downgrade+0x8f0/0x8f0 [ 103.997368] ? trace_hardirqs_on+0xd/0x10 [ 104.001530] ? ___ratelimit+0xaa/0x655 [ 104.005405] ? idr_get_free+0x10d0/0x10d0 [ 104.009547] ? kasan_check_write+0x14/0x20 [ 104.013777] ? do_raw_spin_lock+0xc1/0x200 [ 104.018092] oom_kill_process.cold.28+0x10/0x95a [ 104.022841] ? kasan_check_write+0x14/0x20 [ 104.027076] ? do_raw_spin_lock+0xc1/0x200 [ 104.031320] ? trace_hardirqs_on+0xd/0x10 [ 104.035459] ? oom_evaluate_task+0x540/0x540 [ 104.039852] ? cgroup_procs_next+0x70/0x70 [ 104.044076] ? trace_hardirqs_on+0xd/0x10 [ 104.048227] ? _raw_spin_unlock_irq+0x27/0x70 [ 104.052711] ? oom_badness+0xb00/0xb00 [ 104.056583] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 104.061330] ? mem_cgroup_iter_break+0x30/0x30 [ 104.065913] ? shrink_node+0x16a0/0x16a0 [ 104.069967] ? lock_acquire+0x1e4/0x540 [ 104.073936] ? cgroup_file_notify+0x226/0x2f0 [ 104.078420] out_of_memory+0xa8a/0x14d0 [ 104.082384] ? kasan_check_read+0x11/0x20 [ 104.086518] ? oom_killer_disable+0x3a0/0x3a0 [ 104.091008] ? kasan_check_write+0x14/0x20 [ 104.095227] ? do_raw_spin_lock+0xc1/0x200 [ 104.099453] mem_cgroup_out_of_memory+0x15e/0x210 [ 104.104288] ? memcg_memory_event+0x40/0x40 [ 104.108613] ? page_counter_try_charge+0x1c7/0x220 [ 104.113555] try_charge+0x720/0x1680 [ 104.117259] ? lock_acquire+0x1e4/0x540 [ 104.121224] ? fs_reclaim_acquire+0x20/0x20 [ 104.125537] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 104.132284] ? rcu_note_context_switch+0x730/0x730 [ 104.137214] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 104.142062] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 104.147098] memcg_kmem_charge_memcg+0x7c/0x120 [ 104.151782] ? memcg_kmem_put_cache+0xb0/0xb0 [ 104.156276] ? __free_pages+0x10a/0x190 [ 104.160242] cache_grow_begin+0x207/0x710 [ 104.164382] ? do_raw_spin_unlock+0xa7/0x2f0 [ 104.168779] fallback_alloc+0x203/0x2c0 [ 104.172746] ____cache_alloc_node+0x1c7/0x1e0 [ 104.177233] kmem_cache_alloc+0x1e5/0x760 [ 104.181373] ? lock_downgrade+0x8f0/0x8f0 [ 104.185515] ? shmem_destroy_callback+0xc0/0xc0 [ 104.190174] shmem_alloc_inode+0x1b/0x40 [ 104.194245] alloc_inode+0x63/0x190 [ 104.197875] new_inode_pseudo+0x71/0x1a0 [ 104.201926] ? prune_icache_sb+0x1c0/0x1c0 [ 104.206162] ? _raw_spin_unlock+0x22/0x30 [ 104.210301] new_inode+0x1c/0x40 [ 104.213665] shmem_get_inode+0xf1/0x910 [ 104.217643] ? shmem_encode_fh+0x340/0x340 [ 104.221899] ? lock_downgrade+0x8f0/0x8f0 [ 104.226048] ? lock_release+0xa30/0xa30 [ 104.230013] ? check_same_owner+0x340/0x340 [ 104.234324] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 104.239353] ? __check_object_size+0xa3/0x5d7 [ 104.243857] __shmem_file_setup.part.48+0x83/0x2a0 [ 104.248783] shmem_file_setup+0x65/0x90 [ 104.252749] __x64_sys_memfd_create+0x2af/0x4f0 [ 104.257409] ? memfd_fcntl+0x1e80/0x1e80 [ 104.261461] ? ksys_mount+0xa8/0x140 [ 104.265179] do_syscall_64+0x1b9/0x820 [ 104.269060] ? finish_task_switch+0x1d3/0x870 [ 104.273562] ? syscall_return_slowpath+0x5e0/0x5e0 [ 104.278657] ? syscall_return_slowpath+0x31d/0x5e0 [ 104.283574] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 104.288585] ? __switch_to_asm+0x34/0x70 [ 104.292643] ? __switch_to_asm+0x34/0x70 [ 104.296702] ? __switch_to_asm+0x40/0x70 [ 104.300751] ? __switch_to_asm+0x34/0x70 [ 104.304799] ? __switch_to_asm+0x40/0x70 [ 104.308851] ? __switch_to_asm+0x34/0x70 [ 104.312906] ? __switch_to_asm+0x40/0x70 [ 104.316958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 104.321795] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.326971] RIP: 0033:0x456b29 [ 104.330152] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 104.349043] RSP: 002b:00007efd08ff9a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 104.356756] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 104.364021] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 104.371277] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 104.378539] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 104.385797] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 104.393165] Task in /ile0 killed as a result of limit of /ile0 [ 104.399232] memory: usage 440kB, limit 0kB, failcnt 25400 [ 104.405181] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 104.411981] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 104.418172] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 104.437633] Tasks state (memory values in pages): [ 104.442505] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 104.451454] [ 7132] 0 7132 9426 534 65536 0 0 syz-executor7 [ 104.460508] [ 7134] 0 7134 9426 535 65536 0 0 syz-executor5 [ 104.469562] [ 7136] 0 7136 9426 535 65536 0 0 syz-executor1 [ 104.478626] Memory cgroup out of memory: Kill process 7136 (syz-executor1) score 551000 or sacrifice child [ 104.488485] Killed process 7136 (syz-executor1) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB 2018/08/05 10:45:25 executed programs: 154 [ 104.505542] oom_reaper: reaped process 7136 (syz-executor1), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 104.513634] syz-executor5 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 104.527283] syz-executor5 cpuset=/ mems_allowed=0 [ 104.532206] CPU: 0 PID: 7144 Comm: syz-executor5 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 104.540527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.549890] Call Trace: [ 104.552502] dump_stack+0x1c9/0x2b4 [ 104.556148] ? dump_stack_print_info.cold.2+0x52/0x52 [ 104.561362] ? trace_hardirqs_on+0x10/0x10 [ 104.565599] dump_header+0x27b/0xf70 [ 104.569308] ? pagefault_out_of_memory+0x197/0x197 [ 104.574234] ? do_raw_spin_unlock+0xa7/0x2f0 [ 104.578643] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 104.583803] ? compat_start_thread+0x80/0x80 [ 104.588211] ? trace_hardirqs_on+0x10/0x10 [ 104.592461] ? kasan_check_write+0x14/0x20 [ 104.596701] ? finish_task_switch+0x2ca/0x870 [ 104.601214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 104.606765] ? css_next_child+0x1c3/0x620 [ 104.610904] ? find_lock_task_mm+0x230/0x4d0 [ 104.615301] ? cgroup_get_tree+0xb20/0xb20 [ 104.619534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 104.625080] ? task_will_free_mem+0x239/0xb70 [ 104.629597] ? lock_downgrade+0x8f0/0x8f0 [ 104.633751] ? ___ratelimit+0x36f/0x655 [ 104.637719] ? lock_downgrade+0x8f0/0x8f0 [ 104.641862] ? kasan_check_read+0x11/0x20 [ 104.646002] ? do_raw_spin_unlock+0xa7/0x2f0 [ 104.650405] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 104.654978] ? do_raw_spin_lock+0x200/0x200 [ 104.659295] ? oom_kill_process+0x258/0x290 [ 104.663611] ? lock_downgrade+0x8f0/0x8f0 [ 104.667752] ? trace_hardirqs_on+0xd/0x10 [ 104.671910] ? ___ratelimit+0xaa/0x655 [ 104.675793] ? idr_get_free+0x10d0/0x10d0 [ 104.679933] ? kasan_check_write+0x14/0x20 [ 104.684157] ? do_raw_spin_lock+0xc1/0x200 [ 104.688386] oom_kill_process.cold.28+0x10/0x95a [ 104.693133] ? kasan_check_write+0x14/0x20 [ 104.697365] ? do_raw_spin_lock+0xc1/0x200 [ 104.701588] ? trace_hardirqs_on+0xd/0x10 [ 104.705720] ? oom_evaluate_task+0x540/0x540 [ 104.710115] ? cgroup_procs_next+0x70/0x70 [ 104.714340] ? trace_hardirqs_on+0xd/0x10 [ 104.718491] ? _raw_spin_unlock_irq+0x27/0x70 [ 104.722987] ? oom_badness+0xb00/0xb00 [ 104.726864] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 104.731608] ? mem_cgroup_iter_break+0x30/0x30 [ 104.736173] ? shrink_node+0x16a0/0x16a0 [ 104.740227] ? lock_acquire+0x1e4/0x540 [ 104.744198] ? cgroup_file_notify+0x226/0x2f0 [ 104.748683] out_of_memory+0xa8a/0x14d0 [ 104.752666] ? kasan_check_read+0x11/0x20 [ 104.756801] ? oom_killer_disable+0x3a0/0x3a0 [ 104.761281] ? kasan_check_write+0x14/0x20 [ 104.765499] ? do_raw_spin_lock+0xc1/0x200 [ 104.769719] mem_cgroup_out_of_memory+0x15e/0x210 [ 104.774547] ? memcg_memory_event+0x40/0x40 [ 104.778857] ? page_counter_try_charge+0x1c7/0x220 [ 104.783773] try_charge+0x720/0x1680 [ 104.787474] ? lock_acquire+0x1e4/0x540 [ 104.791439] ? fs_reclaim_acquire+0x20/0x20 [ 104.795752] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 104.802518] ? rcu_note_context_switch+0x730/0x730 [ 104.807439] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 104.812267] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 104.817290] memcg_kmem_charge_memcg+0x7c/0x120 [ 104.821956] ? memcg_kmem_put_cache+0xb0/0xb0 [ 104.826441] ? __free_pages+0x10a/0x190 [ 104.830411] cache_grow_begin+0x207/0x710 [ 104.834557] ? do_raw_spin_unlock+0xa7/0x2f0 [ 104.838956] fallback_alloc+0x203/0x2c0 [ 104.842914] ____cache_alloc_node+0x1c7/0x1e0 [ 104.847403] kmem_cache_alloc+0x1e5/0x760 [ 104.851542] ? lock_downgrade+0x8f0/0x8f0 [ 104.855677] ? shmem_destroy_callback+0xc0/0xc0 [ 104.860337] shmem_alloc_inode+0x1b/0x40 [ 104.864392] alloc_inode+0x63/0x190 [ 104.868019] new_inode_pseudo+0x71/0x1a0 [ 104.872081] ? prune_icache_sb+0x1c0/0x1c0 [ 104.876324] ? _raw_spin_unlock+0x22/0x30 [ 104.880466] new_inode+0x1c/0x40 [ 104.883820] shmem_get_inode+0xf1/0x910 [ 104.887800] ? shmem_encode_fh+0x340/0x340 [ 104.892029] ? lock_downgrade+0x8f0/0x8f0 [ 104.896166] ? lock_release+0xa30/0xa30 [ 104.900134] ? check_same_owner+0x340/0x340 [ 104.904443] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 104.909456] ? __check_object_size+0xa3/0x5d7 [ 104.913941] __shmem_file_setup.part.48+0x83/0x2a0 [ 104.918865] shmem_file_setup+0x65/0x90 [ 104.922823] __x64_sys_memfd_create+0x2af/0x4f0 [ 104.927479] ? memfd_fcntl+0x1e80/0x1e80 [ 104.931521] ? ksys_mount+0xa8/0x140 [ 104.935221] do_syscall_64+0x1b9/0x820 [ 104.939096] ? finish_task_switch+0x1d3/0x870 [ 104.943575] ? syscall_return_slowpath+0x5e0/0x5e0 [ 104.948489] ? syscall_return_slowpath+0x31d/0x5e0 [ 104.953403] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 104.958405] ? __switch_to_asm+0x34/0x70 [ 104.962460] ? __switch_to_asm+0x34/0x70 [ 104.966515] ? __switch_to_asm+0x40/0x70 [ 104.970559] ? __switch_to_asm+0x34/0x70 [ 104.974603] ? __switch_to_asm+0x40/0x70 [ 104.978669] ? __switch_to_asm+0x34/0x70 [ 104.982713] ? __switch_to_asm+0x40/0x70 [ 104.986765] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 104.991613] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.996790] RIP: 0033:0x456b29 [ 104.999969] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 105.018860] RSP: 002b:00007efd08ff9a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 105.026567] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 105.033823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 105.041079] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 105.048427] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 105.055684] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 105.063031] Task in /ile0 killed as a result of limit of /ile0 [ 105.069104] memory: usage 440kB, limit 0kB, failcnt 25607 [ 105.075017] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 105.081873] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 105.088039] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 105.107478] Tasks state (memory values in pages): [ 105.112371] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 105.121563] [ 7132] 0 7132 9426 534 65536 0 0 syz-executor7 [ 105.130618] [ 7134] 0 7134 9426 535 65536 0 0 syz-executor5 [ 105.139703] [ 7160] 0 7160 9426 537 65536 0 0 syz-executor6 [ 105.148746] Memory cgroup out of memory: Kill process 7134 (syz-executor5) score 551000 or sacrifice child [ 105.158588] Killed process 7134 (syz-executor5) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 105.170066] oom_reaper: reaped process 7132 (syz-executor7), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 105.170943] syz-executor6 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 105.191846] syz-executor6 cpuset=/ mems_allowed=0 [ 105.196716] CPU: 0 PID: 7162 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 105.205014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.214355] Call Trace: [ 105.217224] dump_stack+0x1c9/0x2b4 [ 105.220864] ? dump_stack_print_info.cold.2+0x52/0x52 [ 105.226046] ? trace_hardirqs_on+0x10/0x10 [ 105.230281] dump_header+0x27b/0xf70 [ 105.233984] ? trace_hardirqs_on+0x10/0x10 [ 105.238206] ? pagefault_out_of_memory+0x197/0x197 [ 105.243132] ? __switch_to_asm+0x40/0x70 [ 105.247187] ? __switch_to_asm+0x34/0x70 [ 105.251247] ? __switch_to_asm+0x40/0x70 [ 105.255309] ? __switch_to_asm+0x34/0x70 [ 105.259366] ? __switch_to_asm+0x40/0x70 [ 105.263413] ? __switch_to_asm+0x34/0x70 [ 105.267460] ? __switch_to_asm+0x40/0x70 [ 105.271510] ? trace_hardirqs_on+0x10/0x10 [ 105.275742] ? __schedule+0x884/0x1ec0 [ 105.279633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 105.285171] ? css_next_child+0x1c3/0x620 [ 105.289308] ? find_lock_task_mm+0x230/0x4d0 [ 105.293718] ? cgroup_get_tree+0xb20/0xb20 [ 105.297954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 105.303477] ? task_will_free_mem+0x239/0xb70 [ 105.307982] ? lock_downgrade+0x8f0/0x8f0 [ 105.312141] ? ___ratelimit+0x36f/0x655 [ 105.316114] ? lock_downgrade+0x8f0/0x8f0 [ 105.320262] ? kasan_check_read+0x11/0x20 [ 105.324397] ? do_raw_spin_unlock+0xa7/0x2f0 [ 105.328793] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 105.333362] ? do_raw_spin_lock+0x200/0x200 [ 105.337693] ? oom_kill_process+0x258/0x290 [ 105.342014] ? lock_downgrade+0x8f0/0x8f0 [ 105.346153] ? trace_hardirqs_on+0xd/0x10 [ 105.350287] ? ___ratelimit+0xaa/0x655 [ 105.354159] ? idr_get_free+0x10d0/0x10d0 [ 105.358296] ? kasan_check_write+0x14/0x20 [ 105.362527] ? do_raw_spin_lock+0xc1/0x200 [ 105.366761] oom_kill_process.cold.28+0x10/0x95a [ 105.371514] ? kasan_check_write+0x14/0x20 [ 105.375761] ? do_raw_spin_lock+0xc1/0x200 [ 105.379996] ? trace_hardirqs_on+0xd/0x10 [ 105.384135] ? oom_evaluate_task+0x540/0x540 [ 105.388543] ? cgroup_procs_next+0x70/0x70 [ 105.392769] ? trace_hardirqs_on+0xd/0x10 [ 105.396917] ? _raw_spin_unlock_irq+0x27/0x70 [ 105.401402] ? oom_badness+0xb00/0xb00 [ 105.405280] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 105.410037] ? mem_cgroup_iter_break+0x30/0x30 [ 105.414626] ? shrink_node+0x16a0/0x16a0 [ 105.418682] ? lock_acquire+0x1e4/0x540 [ 105.422664] ? cgroup_file_notify+0x226/0x2f0 [ 105.427146] out_of_memory+0xa8a/0x14d0 [ 105.431110] ? kasan_check_read+0x11/0x20 [ 105.435269] ? oom_killer_disable+0x3a0/0x3a0 [ 105.439748] ? kasan_check_write+0x14/0x20 [ 105.443969] ? do_raw_spin_lock+0xc1/0x200 [ 105.448194] mem_cgroup_out_of_memory+0x15e/0x210 [ 105.453023] ? memcg_memory_event+0x40/0x40 [ 105.457346] ? page_counter_try_charge+0x1c7/0x220 [ 105.462294] try_charge+0x720/0x1680 [ 105.465997] ? lock_acquire+0x1e4/0x540 [ 105.469977] ? fs_reclaim_acquire+0x20/0x20 [ 105.474290] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 105.481036] ? rcu_note_context_switch+0x730/0x730 [ 105.485968] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 105.490813] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 105.495852] memcg_kmem_charge_memcg+0x7c/0x120 [ 105.500506] ? memcg_kmem_put_cache+0xb0/0xb0 [ 105.505015] ? __free_pages+0x10a/0x190 [ 105.508984] cache_grow_begin+0x207/0x710 [ 105.513136] ? do_raw_spin_unlock+0xa7/0x2f0 [ 105.517534] fallback_alloc+0x203/0x2c0 [ 105.521497] ____cache_alloc_node+0x1c7/0x1e0 [ 105.525976] kmem_cache_alloc+0x1e5/0x760 [ 105.530110] ? lock_downgrade+0x8f0/0x8f0 [ 105.534243] ? shmem_destroy_callback+0xc0/0xc0 [ 105.538895] shmem_alloc_inode+0x1b/0x40 [ 105.542952] alloc_inode+0x63/0x190 [ 105.546577] new_inode_pseudo+0x71/0x1a0 [ 105.550625] ? prune_icache_sb+0x1c0/0x1c0 [ 105.554845] ? _raw_spin_unlock+0x22/0x30 [ 105.558986] new_inode+0x1c/0x40 [ 105.562349] shmem_get_inode+0xf1/0x910 [ 105.566317] ? shmem_encode_fh+0x340/0x340 [ 105.570549] ? lock_downgrade+0x8f0/0x8f0 [ 105.574685] ? lock_release+0xa30/0xa30 [ 105.578644] ? check_same_owner+0x340/0x340 [ 105.582965] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 105.587971] ? __check_object_size+0xa3/0x5d7 [ 105.592471] __shmem_file_setup.part.48+0x83/0x2a0 [ 105.597409] shmem_file_setup+0x65/0x90 [ 105.601377] __x64_sys_memfd_create+0x2af/0x4f0 [ 105.606034] ? memfd_fcntl+0x1e80/0x1e80 [ 105.610091] do_syscall_64+0x1b9/0x820 [ 105.613968] ? finish_task_switch+0x1d3/0x870 [ 105.618457] ? syscall_return_slowpath+0x5e0/0x5e0 [ 105.623375] ? syscall_return_slowpath+0x31d/0x5e0 [ 105.628295] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 105.633302] ? __switch_to_asm+0x34/0x70 [ 105.637353] ? __switch_to_asm+0x34/0x70 [ 105.641402] ? __switch_to_asm+0x40/0x70 [ 105.645448] ? __switch_to_asm+0x34/0x70 [ 105.649492] ? __switch_to_asm+0x40/0x70 [ 105.653549] ? __switch_to_asm+0x34/0x70 [ 105.657594] ? __switch_to_asm+0x40/0x70 [ 105.661640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 105.666481] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.671654] RIP: 0033:0x456b29 [ 105.674838] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 105.693744] RSP: 002b:00007f25486a3a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 105.701442] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 105.708703] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 105.715961] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 105.723233] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 105.730497] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 105.737838] Task in /ile0 killed as a result of limit of /ile0 [ 105.743904] memory: usage 452kB, limit 0kB, failcnt 25613 [ 105.749478] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 105.756260] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 105.762430] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 105.781888] Tasks state (memory values in pages): [ 105.786765] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 105.795659] [ 7160] 0 7160 9426 537 65536 0 0 syz-executor6 [ 105.806111] Memory cgroup out of memory: Kill process 7160 (syz-executor6) score 553000 or sacrifice child [ 105.815987] Killed process 7160 (syz-executor6) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 105.829900] oom_reaper: reaped process 7160 (syz-executor6), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 105.889646] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 105.901708] syz-executor0 cpuset=/ mems_allowed=0 [ 105.906670] CPU: 1 PID: 7178 Comm: syz-executor0 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 105.915029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.924489] Call Trace: [ 105.927106] dump_stack+0x1c9/0x2b4 [ 105.930760] ? dump_stack_print_info.cold.2+0x52/0x52 [ 105.935964] ? trace_hardirqs_on+0x10/0x10 [ 105.940213] dump_header+0x27b/0xf70 [ 105.943941] ? pagefault_out_of_memory+0x197/0x197 [ 105.948872] ? trace_hardirqs_on+0x10/0x10 [ 105.953102] ? rcu_read_unlock+0x16/0x70 [ 105.957527] ? lock_downgrade+0x8f0/0x8f0 [ 105.961683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 105.967221] ? css_next_child+0x1c3/0x620 [ 105.971375] ? find_lock_task_mm+0x230/0x4d0 [ 105.975795] ? cgroup_get_tree+0xb20/0xb20 [ 105.980020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 105.985546] ? task_will_free_mem+0x239/0xb70 [ 105.990033] ? lock_downgrade+0x8f0/0x8f0 [ 105.994177] ? ___ratelimit+0x36f/0x655 [ 105.998164] ? lock_downgrade+0x8f0/0x8f0 [ 106.002407] ? kasan_check_read+0x11/0x20 [ 106.006541] ? do_raw_spin_unlock+0xa7/0x2f0 [ 106.010944] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 106.015538] ? do_raw_spin_lock+0x200/0x200 [ 106.019850] ? oom_kill_process+0x258/0x290 [ 106.024164] ? lock_downgrade+0x8f0/0x8f0 [ 106.028321] ? trace_hardirqs_on+0xd/0x10 [ 106.032465] ? ___ratelimit+0xaa/0x655 [ 106.036342] ? idr_get_free+0x10d0/0x10d0 [ 106.040497] ? kasan_check_write+0x14/0x20 [ 106.044734] ? do_raw_spin_lock+0xc1/0x200 [ 106.048980] oom_kill_process.cold.28+0x10/0x95a [ 106.053751] ? kasan_check_write+0x14/0x20 [ 106.057978] ? do_raw_spin_lock+0xc1/0x200 [ 106.062205] ? trace_hardirqs_on+0xd/0x10 [ 106.066351] ? oom_evaluate_task+0x540/0x540 [ 106.070761] ? cgroup_procs_next+0x70/0x70 [ 106.074996] ? trace_hardirqs_on+0xd/0x10 [ 106.079212] ? _raw_spin_unlock_irq+0x27/0x70 [ 106.083722] ? oom_badness+0xb00/0xb00 [ 106.087607] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 106.092384] ? mem_cgroup_iter_break+0x30/0x30 [ 106.096990] ? shrink_node+0x16a0/0x16a0 [ 106.101229] ? lock_acquire+0x1e4/0x540 [ 106.105216] ? cgroup_file_notify+0x226/0x2f0 [ 106.109713] out_of_memory+0xa8a/0x14d0 [ 106.113724] ? kasan_check_read+0x11/0x20 [ 106.117874] ? oom_killer_disable+0x3a0/0x3a0 [ 106.122367] ? kasan_check_write+0x14/0x20 [ 106.126599] ? do_raw_spin_lock+0xc1/0x200 [ 106.130828] mem_cgroup_out_of_memory+0x15e/0x210 [ 106.135675] ? memcg_memory_event+0x40/0x40 [ 106.140011] ? page_counter_try_charge+0x1c7/0x220 [ 106.144940] try_charge+0x720/0x1680 [ 106.148650] ? lock_acquire+0x1e4/0x540 [ 106.152628] ? fs_reclaim_acquire+0x20/0x20 [ 106.156954] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 106.163701] ? rcu_note_context_switch+0x730/0x730 [ 106.168635] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 106.173493] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 106.179006] memcg_kmem_charge_memcg+0x7c/0x120 [ 106.183856] ? memcg_kmem_put_cache+0xb0/0xb0 [ 106.188349] ? __free_pages+0x10a/0x190 [ 106.192329] cache_grow_begin+0x207/0x710 [ 106.196476] ? do_raw_spin_unlock+0xa7/0x2f0 [ 106.200875] fallback_alloc+0x203/0x2c0 [ 106.204842] ____cache_alloc_node+0x1c7/0x1e0 [ 106.209352] kmem_cache_alloc+0x1e5/0x760 [ 106.213505] ? lock_downgrade+0x8f0/0x8f0 [ 106.217679] ? shmem_destroy_callback+0xc0/0xc0 [ 106.222348] shmem_alloc_inode+0x1b/0x40 [ 106.226406] alloc_inode+0x63/0x190 [ 106.230032] new_inode_pseudo+0x71/0x1a0 [ 106.234088] ? prune_icache_sb+0x1c0/0x1c0 [ 106.238318] ? _raw_spin_unlock+0x22/0x30 [ 106.242465] new_inode+0x1c/0x40 [ 106.245832] shmem_get_inode+0xf1/0x910 [ 106.249799] ? shmem_encode_fh+0x340/0x340 [ 106.254024] ? lock_downgrade+0x8f0/0x8f0 [ 106.258173] ? lock_release+0xa30/0xa30 [ 106.262152] ? check_same_owner+0x340/0x340 [ 106.266494] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 106.271521] ? __check_object_size+0xa3/0x5d7 [ 106.276024] __shmem_file_setup.part.48+0x83/0x2a0 [ 106.280949] shmem_file_setup+0x65/0x90 [ 106.284914] __x64_sys_memfd_create+0x2af/0x4f0 [ 106.289587] ? memfd_fcntl+0x1e80/0x1e80 [ 106.293655] do_syscall_64+0x1b9/0x820 [ 106.297546] ? finish_task_switch+0x1d3/0x870 [ 106.302033] ? syscall_return_slowpath+0x5e0/0x5e0 [ 106.306961] ? syscall_return_slowpath+0x31d/0x5e0 [ 106.311886] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 106.316900] ? __switch_to_asm+0x34/0x70 [ 106.320959] ? __switch_to_asm+0x34/0x70 [ 106.325008] ? __switch_to_asm+0x40/0x70 [ 106.329057] ? __switch_to_asm+0x34/0x70 [ 106.333119] ? __switch_to_asm+0x40/0x70 [ 106.337178] ? __switch_to_asm+0x34/0x70 [ 106.341243] ? __switch_to_asm+0x40/0x70 [ 106.345324] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 106.350171] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 106.355365] RIP: 0033:0x456b29 [ 106.358554] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 106.377451] RSP: 002b:00007fd964f61a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 106.385155] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 106.392419] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 106.399680] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 106.406940] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 106.414207] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 106.422301] Task in /ile0 killed as a result of limit of /ile0 [ 106.428366] memory: usage 456kB, limit 0kB, failcnt 25745 [ 106.433951] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 106.440899] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 106.447422] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 106.467210] Tasks state (memory values in pages): [ 106.472073] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 106.480970] [ 7171] 0 7171 9426 537 65536 0 0 syz-executor3 [ 106.490018] [ 7172] 0 7172 9426 538 61440 0 0 syz-executor2 [ 106.499069] [ 7173] 0 7173 9393 535 61440 0 0 syz-executor0 [ 106.508116] [ 7174] 0 7174 9426 536 61440 0 0 syz-executor4 [ 106.517158] [ 7175] 0 7175 9393 535 65536 0 0 syz-executor5 [ 106.526214] [ 7177] 0 7177 9426 534 65536 0 0 syz-executor7 [ 106.535260] [ 7181] 0 7181 9426 537 65536 0 0 syz-executor6 [ 106.544321] Memory cgroup out of memory: Kill process 7173 (syz-executor0) score 550000 or sacrifice child [ 106.554177] Killed process 7173 (syz-executor0) total-vm:37572kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 106.662897] syz-executor6 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 106.674794] syz-executor6 cpuset=/ mems_allowed=0 [ 106.679704] CPU: 1 PID: 7185 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 106.688016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.697360] Call Trace: [ 106.699945] dump_stack+0x1c9/0x2b4 [ 106.703564] ? dump_stack_print_info.cold.2+0x52/0x52 [ 106.708755] dump_header+0x27b/0xf70 [ 106.712463] ? finish_task_switch+0x1d3/0x870 [ 106.716945] ? trace_hardirqs_on+0x10/0x10 [ 106.721175] ? pagefault_out_of_memory+0x197/0x197 [ 106.726089] ? do_raw_spin_unlock+0xa7/0x2f0 [ 106.730496] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 106.735077] ? compat_start_thread+0x80/0x80 [ 106.739492] ? trace_hardirqs_on+0x10/0x10 [ 106.743734] ? kasan_check_write+0x14/0x20 [ 106.747963] ? trace_hardirqs_on+0x10/0x10 [ 106.752205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 106.757739] ? css_next_child+0x1c3/0x620 [ 106.761875] ? find_lock_task_mm+0x230/0x4d0 [ 106.766288] ? cgroup_get_tree+0xb20/0xb20 [ 106.770512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 106.776051] ? task_will_free_mem+0x239/0xb70 [ 106.780546] ? lock_downgrade+0x8f0/0x8f0 [ 106.784697] ? ___ratelimit+0x36f/0x655 [ 106.788666] ? lock_downgrade+0x8f0/0x8f0 [ 106.792823] ? kasan_check_read+0x11/0x20 [ 106.796959] ? do_raw_spin_unlock+0xa7/0x2f0 [ 106.801361] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 106.805930] ? do_raw_spin_lock+0x200/0x200 [ 106.810238] ? oom_kill_process+0x258/0x290 [ 106.814558] ? lock_downgrade+0x8f0/0x8f0 [ 106.818709] ? trace_hardirqs_on+0xd/0x10 [ 106.822851] ? ___ratelimit+0xaa/0x655 [ 106.826730] ? idr_get_free+0x10d0/0x10d0 [ 106.830872] ? kasan_check_write+0x14/0x20 [ 106.835094] ? do_raw_spin_lock+0xc1/0x200 [ 106.839320] oom_kill_process.cold.28+0x10/0x95a [ 106.844074] ? kasan_check_write+0x14/0x20 [ 106.848302] ? do_raw_spin_lock+0xc1/0x200 [ 106.852534] ? trace_hardirqs_on+0xd/0x10 [ 106.856671] ? oom_evaluate_task+0x540/0x540 [ 106.861072] ? cgroup_procs_next+0x70/0x70 [ 106.865315] ? trace_hardirqs_on+0xd/0x10 [ 106.869457] ? _raw_spin_unlock_irq+0x27/0x70 [ 106.873942] ? oom_badness+0xb00/0xb00 [ 106.877821] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 106.882579] ? mem_cgroup_iter_break+0x30/0x30 [ 106.887156] ? shrink_node+0x16a0/0x16a0 [ 106.891212] ? lock_acquire+0x1e4/0x540 [ 106.895184] ? cgroup_file_notify+0x226/0x2f0 [ 106.899680] out_of_memory+0xa8a/0x14d0 [ 106.903648] ? kasan_check_read+0x11/0x20 [ 106.907796] ? oom_killer_disable+0x3a0/0x3a0 [ 106.912282] ? kasan_check_write+0x14/0x20 [ 106.916507] ? do_raw_spin_lock+0xc1/0x200 [ 106.920751] ? trace_hardirqs_on+0xd/0x10 [ 106.924888] mem_cgroup_out_of_memory+0x15e/0x210 [ 106.929724] ? memcg_memory_event+0x40/0x40 [ 106.934044] ? page_counter_try_charge+0x1c7/0x220 [ 106.938960] try_charge+0x720/0x1680 [ 106.942667] ? lock_acquire+0x1e4/0x540 [ 106.946640] ? fs_reclaim_acquire+0x20/0x20 [ 106.950957] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 106.957706] ? rcu_note_context_switch+0x730/0x730 [ 106.962629] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 106.967467] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 106.972481] memcg_kmem_charge_memcg+0x7c/0x120 [ 106.977139] ? memcg_kmem_put_cache+0xb0/0xb0 [ 106.981650] ? __free_pages+0x10a/0x190 [ 106.985621] cache_grow_begin+0x207/0x710 [ 106.989760] ? do_raw_spin_unlock+0xa7/0x2f0 [ 106.994160] fallback_alloc+0x203/0x2c0 [ 106.998122] ____cache_alloc_node+0x1c7/0x1e0 [ 107.002604] kmem_cache_alloc+0x1e5/0x760 [ 107.006749] ? kasan_check_write+0x14/0x20 [ 107.010996] __alloc_file+0xac/0x400 [ 107.014699] ? file_free_rcu+0x90/0x90 [ 107.018575] ? select_collect+0x610/0x610 [ 107.022706] ? d_instantiate+0x79/0xa0 [ 107.026585] ? lock_downgrade+0x8f0/0x8f0 [ 107.030726] ? kasan_check_read+0x11/0x20 [ 107.034881] ? do_raw_spin_unlock+0xa7/0x2f0 [ 107.039286] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 107.043868] alloc_empty_file+0x72/0x170 [ 107.047922] alloc_file+0x5c/0x430 [ 107.051459] alloc_file_pseudo+0x261/0x3f0 [ 107.055691] ? alloc_file+0x430/0x430 [ 107.059477] ? check_same_owner+0x340/0x340 [ 107.063788] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 107.068802] ? __check_object_size+0xa3/0x5d7 [ 107.073980] ? kasan_check_write+0x14/0x20 [ 107.078207] __shmem_file_setup.part.48+0x110/0x2a0 [ 107.083213] shmem_file_setup+0x65/0x90 [ 107.087193] __x64_sys_memfd_create+0x2af/0x4f0 [ 107.091862] ? memfd_fcntl+0x1e80/0x1e80 [ 107.095923] do_syscall_64+0x1b9/0x820 [ 107.099811] ? finish_task_switch+0x1d3/0x870 [ 107.104306] ? syscall_return_slowpath+0x5e0/0x5e0 [ 107.109254] ? syscall_return_slowpath+0x31d/0x5e0 [ 107.114185] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 107.119240] ? __switch_to_asm+0x34/0x70 [ 107.123298] ? __switch_to_asm+0x34/0x70 [ 107.127352] ? __switch_to_asm+0x40/0x70 [ 107.131409] ? __switch_to_asm+0x34/0x70 [ 107.135469] ? __switch_to_asm+0x40/0x70 [ 107.139523] ? __switch_to_asm+0x34/0x70 [ 107.143573] ? __switch_to_asm+0x40/0x70 [ 107.147640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 107.152483] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.157666] RIP: 0033:0x456b29 [ 107.160850] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 107.179744] RSP: 002b:00007f25486a3a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 107.187445] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 107.195158] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 107.202429] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 107.209692] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 107.216955] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 107.224349] Task in /ile0 killed as a result of limit of /ile0 [ 107.230483] memory: usage 468kB, limit 0kB, failcnt 27798 [ 107.236053] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 107.242823] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 107.249698] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 107.269140] Tasks state (memory values in pages): [ 107.274002] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 107.282879] [ 7172] 0 7172 9426 538 61440 0 0 syz-executor2 [ 107.291946] [ 7174] 0 7174 9426 536 61440 0 0 syz-executor4 [ 107.301008] [ 7175] 0 7175 9393 535 65536 0 0 syz-executor5 [ 107.310060] [ 7177] 0 7177 9426 534 65536 0 0 syz-executor7 [ 107.319115] [ 7181] 0 7181 9426 537 65536 0 0 syz-executor6 [ 107.328301] [ 7190] 0 7190 9393 535 65536 0 0 syz-executor1 [ 107.337467] [ 7195] 0 7195 9426 537 65536 0 0 syz-executor3 [ 107.346520] Memory cgroup out of memory: Kill process 7181 (syz-executor6) score 553000 or sacrifice child [ 107.356387] Killed process 7181 (syz-executor6) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 107.369309] syz-executor2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 107.380246] syz-executor2 cpuset=/ mems_allowed=0 [ 107.385131] CPU: 0 PID: 7172 Comm: syz-executor2 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 107.393436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.402776] Call Trace: [ 107.405370] dump_stack+0x1c9/0x2b4 [ 107.408987] ? dump_stack_print_info.cold.2+0x52/0x52 [ 107.414174] ? trace_hardirqs_on+0x10/0x10 [ 107.418396] dump_header+0x27b/0xf70 [ 107.422110] ? pagefault_out_of_memory+0x197/0x197 [ 107.427029] ? do_raw_spin_unlock+0xa7/0x2f0 [ 107.431425] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 107.435996] ? compat_start_thread+0x80/0x80 [ 107.440396] ? trace_hardirqs_on+0x10/0x10 [ 107.444621] ? kasan_check_write+0x14/0x20 [ 107.448843] ? finish_task_switch+0x2ca/0x870 [ 107.453331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 107.458863] ? css_next_child+0x1c3/0x620 [ 107.463018] ? find_lock_task_mm+0x230/0x4d0 [ 107.467416] ? cgroup_get_tree+0xb20/0xb20 [ 107.471646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 107.477177] ? task_will_free_mem+0x239/0xb70 [ 107.481674] ? lock_downgrade+0x8f0/0x8f0 [ 107.485817] ? ___ratelimit+0x36f/0x655 [ 107.489784] ? lock_downgrade+0x8f0/0x8f0 [ 107.493926] ? kasan_check_read+0x11/0x20 [ 107.498067] ? do_raw_spin_unlock+0xa7/0x2f0 [ 107.502492] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 107.507064] ? do_raw_spin_lock+0x200/0x200 [ 107.511389] ? oom_kill_process+0x258/0x290 [ 107.515713] ? lock_downgrade+0x8f0/0x8f0 [ 107.519859] ? trace_hardirqs_on+0xd/0x10 [ 107.524011] ? ___ratelimit+0xaa/0x655 [ 107.527901] ? idr_get_free+0x10d0/0x10d0 [ 107.532063] ? kasan_check_write+0x14/0x20 [ 107.536288] ? do_raw_spin_lock+0xc1/0x200 [ 107.540521] oom_kill_process.cold.28+0x10/0x95a [ 107.545273] ? kasan_check_write+0x14/0x20 [ 107.549506] ? do_raw_spin_lock+0xc1/0x200 [ 107.553745] ? trace_hardirqs_on+0xd/0x10 [ 107.557887] ? oom_evaluate_task+0x540/0x540 [ 107.562286] ? cgroup_procs_next+0x70/0x70 [ 107.566528] ? trace_hardirqs_on+0xd/0x10 [ 107.570670] ? _raw_spin_unlock_irq+0x27/0x70 [ 107.575169] ? oom_badness+0xb00/0xb00 [ 107.579048] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 107.583807] ? mem_cgroup_iter_break+0x30/0x30 [ 107.588470] ? shrink_node+0x16a0/0x16a0 [ 107.592537] ? lock_acquire+0x1e4/0x540 [ 107.596504] ? cgroup_file_notify+0x226/0x2f0 [ 107.600993] out_of_memory+0xa8a/0x14d0 [ 107.604959] ? kasan_check_read+0x11/0x20 [ 107.609099] ? oom_killer_disable+0x3a0/0x3a0 [ 107.613586] ? kasan_check_write+0x14/0x20 [ 107.617815] ? do_raw_spin_lock+0xc1/0x200 [ 107.622060] mem_cgroup_out_of_memory+0x15e/0x210 [ 107.626891] ? memcg_memory_event+0x40/0x40 [ 107.631205] ? page_counter_try_charge+0x1c7/0x220 [ 107.636127] try_charge+0x720/0x1680 [ 107.639856] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 107.646624] ? lock_downgrade+0x8f0/0x8f0 [ 107.650767] ? lock_release+0xa30/0xa30 [ 107.654754] ? __anon_vma_prepare+0xc4/0x720 [ 107.659163] ? handle_mm_fault+0x53e/0xc80 [ 107.663396] ? fs_reclaim_acquire+0x20/0x20 [ 107.667709] ? lock_downgrade+0x8f0/0x8f0 [ 107.671844] ? percpu_ref_put_many+0x119/0x240 [ 107.676415] ? get_mem_cgroup_from_mm+0x209/0x440 [ 107.681251] ? get_mem_cgroup_from_page+0x190/0x190 [ 107.686266] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 107.691104] ? lock_acquire+0x1e4/0x540 [ 107.695083] mem_cgroup_try_charge+0x4ff/0xa70 [ 107.699661] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 107.704682] ? mem_cgroup_protected+0xa60/0xa60 [ 107.709348] ? up_write+0x7b/0x220 [ 107.712884] ? up_read+0x110/0x110 [ 107.716423] ? __anon_vma_prepare+0x36d/0x720 [ 107.720912] ? pmd_val+0x88/0x100 [ 107.724384] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 107.729922] mem_cgroup_try_charge_delay+0x1d/0x90 [ 107.734846] __handle_mm_fault+0x25be/0x4470 [ 107.739250] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 107.744105] ? cap_mmap_addr+0x52/0x130 [ 107.748077] ? userfaultfd_unmap_complete+0x32a/0x510 [ 107.753257] ? security_mmap_addr+0x80/0xa0 [ 107.757579] ? lock_acquire+0x1e4/0x540 [ 107.761551] ? handle_mm_fault+0x417/0xc80 [ 107.765783] ? lock_downgrade+0x8f0/0x8f0 [ 107.769926] ? lock_release+0xa30/0xa30 [ 107.773904] ? lock_release+0xa30/0xa30 [ 107.777873] ? down_read_killable+0x200/0x200 [ 107.782365] ? mem_cgroup_from_task+0xcb/0x1f0 [ 107.786937] ? get_mctgt_type+0xde0/0xde0 [ 107.791438] handle_mm_fault+0x53e/0xc80 [ 107.795503] ? __handle_mm_fault+0x4470/0x4470 [ 107.800078] ? find_vma+0x34/0x190 [ 107.803625] __do_page_fault+0x620/0xe50 [ 107.807691] ? mm_fault_error+0x380/0x380 [ 107.811831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 107.817359] ? exit_to_usermode_loop+0x1f4/0x380 [ 107.822115] ? syscall_slow_exit_work+0x500/0x500 [ 107.826955] do_page_fault+0xf6/0x8c0 [ 107.830751] ? vmalloc_sync_all+0x30/0x30 [ 107.834893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 107.840419] ? do_syscall_64+0x497/0x820 [ 107.844481] ? syscall_return_slowpath+0x5e0/0x5e0 [ 107.849408] ? syscall_return_slowpath+0x31d/0x5e0 [ 107.854344] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 107.859355] ? prepare_exit_to_usermode+0x291/0x3b0 [ 107.864363] ? page_fault+0x8/0x30 [ 107.867895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 107.872732] ? page_fault+0x8/0x30 [ 107.876288] page_fault+0x1e/0x30 [ 107.879740] RIP: 0033:0x40e33f [ 107.882928] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 107.901828] RSP: 002b:00007fffa8170910 EFLAGS: 00010206 [ 107.907181] RAX: 00007fb8ae768000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 107.914441] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 107.921703] RBP: 00007fffa81709f0 R08: ffffffffffffffff R09: 0000000000000000 [ 107.928976] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffa8170ae0 [ 107.936250] R13: 00007fb8ae788700 R14: 0000000000000005 R15: 0000000000000001 [ 107.943660] Task in /ile0 killed as a result of limit of /ile0 [ 107.949768] memory: usage 472kB, limit 0kB, failcnt 27824 [ 107.955355] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 107.962120] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 107.968283] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 107.987762] Tasks state (memory values in pages): [ 107.992628] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 108.001886] [ 7172] 0 7172 9426 538 61440 0 0 syz-executor2 [ 108.010935] [ 7174] 0 7174 9426 536 61440 0 0 syz-executor4 [ 108.019990] [ 7175] 0 7175 9393 535 65536 0 0 syz-executor5 [ 108.029039] [ 7177] 0 7177 9426 534 65536 0 0 syz-executor7 [ 108.038098] [ 7190] 0 7190 9393 535 65536 0 0 syz-executor1 [ 108.047147] [ 7195] 0 7195 9426 537 65536 0 0 syz-executor3 [ 108.056181] Memory cgroup out of memory: Kill process 7172 (syz-executor2) score 553000 or sacrifice child [ 108.066123] Killed process 7172 (syz-executor2) total-vm:37704kB, anon-rss:2152kB, file-rss:0kB, shmem-rss:0kB [ 108.097697] oom_reaper: reaped process 7172 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 108.118593] syz-executor3 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 108.129528] syz-executor3 cpuset=/ mems_allowed=0 [ 108.134432] CPU: 0 PID: 7195 Comm: syz-executor3 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 108.142756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.152104] Call Trace: [ 108.154696] dump_stack+0x1c9/0x2b4 [ 108.158329] ? dump_stack_print_info.cold.2+0x52/0x52 [ 108.163519] ? trace_hardirqs_on+0x10/0x10 [ 108.167852] dump_header+0x27b/0xf70 [ 108.171569] ? pagefault_out_of_memory+0x197/0x197 [ 108.176508] ? do_raw_spin_unlock+0xa7/0x2f0 [ 108.180905] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 108.185477] ? compat_start_thread+0x80/0x80 [ 108.189880] ? trace_hardirqs_on+0x10/0x10 [ 108.194104] ? kasan_check_write+0x14/0x20 [ 108.198326] ? finish_task_switch+0x2ca/0x870 [ 108.202830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 108.208364] ? css_next_child+0x1c3/0x620 [ 108.212504] ? find_lock_task_mm+0x230/0x4d0 [ 108.216903] ? cgroup_get_tree+0xb20/0xb20 [ 108.221127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 108.226656] ? task_will_free_mem+0x239/0xb70 [ 108.231141] ? lock_downgrade+0x8f0/0x8f0 [ 108.235275] ? ___ratelimit+0x36f/0x655 [ 108.239241] ? lock_downgrade+0x8f0/0x8f0 [ 108.243383] ? kasan_check_read+0x11/0x20 [ 108.247524] ? do_raw_spin_unlock+0xa7/0x2f0 [ 108.251928] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 108.256494] ? do_raw_spin_lock+0x200/0x200 [ 108.260817] ? oom_kill_process+0x258/0x290 [ 108.265142] ? lock_downgrade+0x8f0/0x8f0 [ 108.269284] ? trace_hardirqs_on+0xd/0x10 [ 108.273416] ? ___ratelimit+0xaa/0x655 [ 108.277299] ? idr_get_free+0x10d0/0x10d0 [ 108.281463] ? kasan_check_write+0x14/0x20 [ 108.285694] ? do_raw_spin_lock+0xc1/0x200 [ 108.289924] oom_kill_process.cold.28+0x10/0x95a [ 108.294671] ? kasan_check_write+0x14/0x20 [ 108.298902] ? do_raw_spin_lock+0xc1/0x200 [ 108.303127] ? trace_hardirqs_on+0xd/0x10 [ 108.313266] ? oom_evaluate_task+0x540/0x540 [ 108.317662] ? cgroup_procs_next+0x70/0x70 [ 108.321885] ? trace_hardirqs_on+0xd/0x10 [ 108.326021] ? _raw_spin_unlock_irq+0x27/0x70 [ 108.330505] ? oom_badness+0xb00/0xb00 [ 108.334379] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 108.339140] ? mem_cgroup_iter_break+0x30/0x30 [ 108.343724] ? shrink_node+0x16a0/0x16a0 [ 108.347775] ? lock_acquire+0x1e4/0x540 [ 108.351738] ? cgroup_file_notify+0x226/0x2f0 [ 108.356235] out_of_memory+0xa8a/0x14d0 [ 108.360200] ? kasan_check_read+0x11/0x20 [ 108.364344] ? oom_killer_disable+0x3a0/0x3a0 [ 108.368830] ? kasan_check_write+0x14/0x20 [ 108.373056] ? do_raw_spin_lock+0xc1/0x200 [ 108.377286] mem_cgroup_out_of_memory+0x15e/0x210 [ 108.382122] ? memcg_memory_event+0x40/0x40 [ 108.386447] ? page_counter_try_charge+0x1c7/0x220 [ 108.391400] try_charge+0x720/0x1680 [ 108.395106] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 108.401852] ? lock_downgrade+0x8f0/0x8f0 [ 108.405996] ? lock_release+0xa30/0xa30 [ 108.409963] ? __anon_vma_prepare+0xc4/0x720 [ 108.414371] ? handle_mm_fault+0x53e/0xc80 [ 108.418604] ? fs_reclaim_acquire+0x20/0x20 [ 108.422927] ? lock_downgrade+0x8f0/0x8f0 [ 108.427063] ? percpu_ref_put_many+0x119/0x240 [ 108.431640] ? get_mem_cgroup_from_mm+0x209/0x440 [ 108.436478] ? get_mem_cgroup_from_page+0x190/0x190 [ 108.441494] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 108.446364] ? lock_acquire+0x1e4/0x540 [ 108.450332] mem_cgroup_try_charge+0x4ff/0xa70 [ 108.454913] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 108.459926] ? mem_cgroup_protected+0xa60/0xa60 [ 108.464600] ? up_write+0x7b/0x220 [ 108.468136] ? up_read+0x110/0x110 [ 108.471670] ? __anon_vma_prepare+0x36d/0x720 [ 108.476166] ? pmd_val+0x88/0x100 [ 108.479608] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 108.485138] mem_cgroup_try_charge_delay+0x1d/0x90 [ 108.490054] __handle_mm_fault+0x25be/0x4470 [ 108.494460] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 108.499292] ? cap_mmap_addr+0x52/0x130 [ 108.503252] ? userfaultfd_unmap_complete+0x32a/0x510 [ 108.508425] ? security_mmap_addr+0x80/0xa0 [ 108.512742] ? lock_acquire+0x1e4/0x540 [ 108.516721] ? handle_mm_fault+0x417/0xc80 [ 108.520949] ? lock_downgrade+0x8f0/0x8f0 [ 108.525083] ? lock_release+0xa30/0xa30 [ 108.529056] ? lock_release+0xa30/0xa30 [ 108.533024] ? down_read_killable+0x200/0x200 [ 108.537595] ? mem_cgroup_from_task+0xcb/0x1f0 [ 108.542170] ? get_mctgt_type+0xde0/0xde0 [ 108.546312] handle_mm_fault+0x53e/0xc80 [ 108.550364] ? __handle_mm_fault+0x4470/0x4470 [ 108.554930] ? find_vma+0x34/0x190 [ 108.558456] __do_page_fault+0x620/0xe50 [ 108.562502] ? mm_fault_error+0x380/0x380 [ 108.566638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 108.572161] ? __x64_sys_clock_gettime+0x170/0x250 [ 108.577077] ? __ia32_sys_clock_settime+0x290/0x290 [ 108.582077] do_page_fault+0xf6/0x8c0 [ 108.586529] ? vmalloc_sync_all+0x30/0x30 [ 108.590672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 108.596222] ? do_syscall_64+0x497/0x820 [ 108.600267] ? syscall_slow_exit_work+0x500/0x500 [ 108.605102] ? syscall_return_slowpath+0x5e0/0x5e0 [ 108.610035] ? syscall_return_slowpath+0x31d/0x5e0 [ 108.614955] ? prepare_exit_to_usermode+0x291/0x3b0 [ 108.619960] ? page_fault+0x8/0x30 [ 108.623492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 108.628326] ? page_fault+0x8/0x30 [ 108.631856] page_fault+0x1e/0x30 [ 108.635293] RIP: 0033:0x40e33f [ 108.638474] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 108.657819] RSP: 002b:00007fff823ff3b0 EFLAGS: 00010206 [ 108.663182] RAX: 00007f03fc0e3000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 108.670446] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 108.677705] RBP: 00007fff823ff490 R08: ffffffffffffffff R09: 0000000000000000 [ 108.684982] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff823ff580 [ 108.692248] R13: 00007f03fc103700 R14: 0000000000000005 R15: 0000000000000001 [ 108.699609] Task in /ile0 killed as a result of limit of /ile0 [ 108.705674] memory: usage 476kB, limit 0kB, failcnt 28494 [ 108.711251] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 108.718055] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 108.724223] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 108.744392] Tasks state (memory values in pages): [ 108.749262] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 108.758134] [ 7174] 0 7174 9426 536 61440 0 0 syz-executor4 [ 108.767184] [ 7175] 0 7175 9393 535 65536 0 0 syz-executor5 [ 108.776234] [ 7177] 0 7177 9426 534 65536 0 0 syz-executor7 [ 108.785293] [ 7190] 0 7190 9393 535 65536 0 0 syz-executor1 [ 108.794344] [ 7195] 0 7195 9426 537 65536 0 0 syz-executor3 [ 108.803428] [ 7199] 0 7199 9426 537 65536 0 0 syz-executor6 [ 108.812499] [ 7201] 0 7201 9426 535 61440 0 0 syz-executor0 [ 108.821555] Memory cgroup out of memory: Kill process 7195 (syz-executor3) score 553000 or sacrifice child [ 108.831413] Killed process 7195 (syz-executor3) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 108.842520] oom_reaper: reaped process 7195 (syz-executor3), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 108.863235] syz-executor7 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 108.874136] syz-executor7 cpuset=/ mems_allowed=0 [ 108.879010] CPU: 1 PID: 7177 Comm: syz-executor7 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 108.887347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.896691] Call Trace: [ 108.899277] dump_stack+0x1c9/0x2b4 [ 108.902899] ? dump_stack_print_info.cold.2+0x52/0x52 [ 108.908089] ? trace_hardirqs_on+0x10/0x10 [ 108.912315] dump_header+0x27b/0xf70 [ 108.916029] ? pagefault_out_of_memory+0x197/0x197 [ 108.920957] ? do_raw_spin_unlock+0xa7/0x2f0 [ 108.925356] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 108.929927] ? compat_start_thread+0x80/0x80 [ 108.934324] ? trace_hardirqs_on+0x10/0x10 [ 108.938556] ? kasan_check_write+0x14/0x20 [ 108.942782] ? finish_task_switch+0x2ca/0x870 [ 108.947274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 108.952801] ? css_next_child+0x1c3/0x620 [ 108.956940] ? find_lock_task_mm+0x230/0x4d0 [ 108.961341] ? cgroup_get_tree+0xb20/0xb20 [ 108.965566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 108.971093] ? task_will_free_mem+0x239/0xb70 [ 108.975584] ? lock_downgrade+0x8f0/0x8f0 [ 108.979720] ? ___ratelimit+0x36f/0x655 [ 108.983680] ? lock_downgrade+0x8f0/0x8f0 [ 108.987815] ? kasan_check_read+0x11/0x20 [ 108.991948] ? do_raw_spin_unlock+0xa7/0x2f0 [ 108.996345] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 109.000913] ? do_raw_spin_lock+0x200/0x200 [ 109.005224] ? oom_kill_process+0x258/0x290 [ 109.009532] ? lock_downgrade+0x8f0/0x8f0 [ 109.013669] ? trace_hardirqs_on+0xd/0x10 [ 109.017819] ? ___ratelimit+0xaa/0x655 [ 109.021693] ? idr_get_free+0x10d0/0x10d0 [ 109.025836] ? kasan_check_write+0x14/0x20 [ 109.030055] ? do_raw_spin_lock+0xc1/0x200 [ 109.034277] oom_kill_process.cold.28+0x10/0x95a [ 109.039030] ? kasan_check_write+0x14/0x20 [ 109.043258] ? do_raw_spin_lock+0xc1/0x200 [ 109.047485] ? trace_hardirqs_on+0xd/0x10 [ 109.051623] ? oom_evaluate_task+0x540/0x540 [ 109.056019] ? cgroup_procs_next+0x70/0x70 [ 109.060249] ? trace_hardirqs_on+0xd/0x10 [ 109.064392] ? _raw_spin_unlock_irq+0x27/0x70 [ 109.068891] ? oom_badness+0xb00/0xb00 [ 109.072771] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 109.077519] ? mem_cgroup_iter_break+0x30/0x30 [ 109.082090] ? shrink_node+0x16a0/0x16a0 [ 109.086155] ? lock_acquire+0x1e4/0x540 [ 109.090119] ? cgroup_file_notify+0x226/0x2f0 [ 109.094618] out_of_memory+0xa8a/0x14d0 [ 109.098593] ? kasan_check_read+0x11/0x20 [ 109.102736] ? oom_killer_disable+0x3a0/0x3a0 [ 109.107217] ? kasan_check_write+0x14/0x20 [ 109.111439] ? do_raw_spin_lock+0xc1/0x200 [ 109.115673] mem_cgroup_out_of_memory+0x15e/0x210 [ 109.120508] ? memcg_memory_event+0x40/0x40 [ 109.124816] ? page_counter_try_charge+0x1c7/0x220 [ 109.129734] try_charge+0x720/0x1680 [ 109.133455] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 109.140202] ? lock_downgrade+0x8f0/0x8f0 [ 109.144343] ? lock_release+0xa30/0xa30 [ 109.148306] ? __anon_vma_prepare+0xc4/0x720 [ 109.152707] ? handle_mm_fault+0x53e/0xc80 [ 109.156936] ? fs_reclaim_acquire+0x20/0x20 [ 109.161268] ? lock_downgrade+0x8f0/0x8f0 [ 109.165407] ? percpu_ref_put_many+0x119/0x240 [ 109.170086] ? get_mem_cgroup_from_mm+0x209/0x440 [ 109.174920] ? get_mem_cgroup_from_page+0x190/0x190 [ 109.179927] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 109.184759] ? lock_acquire+0x1e4/0x540 [ 109.188739] mem_cgroup_try_charge+0x4ff/0xa70 [ 109.193319] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 109.198334] ? mem_cgroup_protected+0xa60/0xa60 [ 109.202999] ? up_write+0x7b/0x220 [ 109.206542] ? up_read+0x110/0x110 [ 109.210075] ? __anon_vma_prepare+0x36d/0x720 [ 109.214565] ? pmd_val+0x88/0x100 [ 109.218012] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 109.223546] mem_cgroup_try_charge_delay+0x1d/0x90 [ 109.228473] __handle_mm_fault+0x25be/0x4470 [ 109.232888] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 109.237724] ? cap_mmap_addr+0x52/0x130 [ 109.241693] ? userfaultfd_unmap_complete+0x32a/0x510 [ 109.246878] ? security_mmap_addr+0x80/0xa0 [ 109.251205] ? lock_acquire+0x1e4/0x540 [ 109.255172] ? handle_mm_fault+0x417/0xc80 [ 109.259406] ? lock_downgrade+0x8f0/0x8f0 [ 109.263544] ? lock_release+0xa30/0xa30 [ 109.267526] ? lock_release+0xa30/0xa30 [ 109.271503] ? down_read_killable+0x200/0x200 [ 109.276001] ? mem_cgroup_from_task+0xcb/0x1f0 [ 109.280579] ? get_mctgt_type+0xde0/0xde0 [ 109.284722] handle_mm_fault+0x53e/0xc80 [ 109.288773] ? __handle_mm_fault+0x4470/0x4470 [ 109.293367] ? find_vma+0x34/0x190 [ 109.296907] __do_page_fault+0x620/0xe50 [ 109.300977] ? mm_fault_error+0x380/0x380 [ 109.305129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.310665] ? __x64_sys_clock_gettime+0x170/0x250 [ 109.315586] ? __ia32_sys_clock_settime+0x290/0x290 [ 109.320592] do_page_fault+0xf6/0x8c0 [ 109.324399] ? vmalloc_sync_all+0x30/0x30 [ 109.328538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.334086] ? do_syscall_64+0x497/0x820 [ 109.338143] ? syscall_slow_exit_work+0x500/0x500 [ 109.342980] ? syscall_return_slowpath+0x5e0/0x5e0 [ 109.347917] ? syscall_return_slowpath+0x31d/0x5e0 [ 109.352848] ? prepare_exit_to_usermode+0x291/0x3b0 [ 109.357863] ? page_fault+0x8/0x30 [ 109.361403] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 109.366238] ? page_fault+0x8/0x30 [ 109.369769] page_fault+0x1e/0x30 [ 109.373211] RIP: 0033:0x40e33f [ 109.376397] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 109.395291] RSP: 002b:00007ffe6bfe9770 EFLAGS: 00010206 [ 109.400647] RAX: 00007f420ee76000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 109.407906] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 109.415165] RBP: 00007ffe6bfe9850 R08: ffffffffffffffff R09: 0000000000000000 [ 109.422456] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe6bfe9940 [ 109.429718] R13: 00007f420ee96700 R14: 0000000000000005 R15: 0000000000000001 [ 109.437101] Task in /ile0 killed as a result of limit of /ile0 [ 109.443508] memory: usage 476kB, limit 0kB, failcnt 29003 [ 109.449066] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 109.455836] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 109.462613] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 109.482056] Tasks state (memory values in pages): [ 109.486935] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 109.495837] [ 7174] 0 7174 9426 536 61440 0 0 syz-executor4 [ 109.504877] [ 7175] 0 7175 9393 535 65536 0 0 syz-executor5 [ 109.513927] [ 7177] 0 7177 9426 534 65536 0 0 syz-executor7 [ 109.522972] [ 7190] 0 7190 9393 535 65536 0 0 syz-executor1 [ 109.532011] [ 7197] 0 7195 9426 1 61440 0 0 syz-executor3 [ 109.541062] [ 7199] 0 7199 9426 537 65536 0 0 syz-executor6 [ 109.550103] [ 7201] 0 7201 9426 535 61440 0 0 syz-executor0 [ 109.559143] Memory cgroup out of memory: Kill process 7199 (syz-executor6) score 553000 or sacrifice child 2018/08/05 10:45:30 executed programs: 164 [ 109.568996] Killed process 7199 (syz-executor6) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 109.580497] oom_reaper: reaped process 7199 (syz-executor6), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 109.591711] oom_reaper: reaped process 7182 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 109.607562] oom_reaper: reaped process 7190 (syz-executor1), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 109.628010] syz-executor0 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 109.638984] syz-executor0 cpuset=/ mems_allowed=0 [ 109.643918] CPU: 1 PID: 7201 Comm: syz-executor0 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 109.652259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.661617] Call Trace: [ 109.664217] dump_stack+0x1c9/0x2b4 [ 109.667880] ? dump_stack_print_info.cold.2+0x52/0x52 [ 109.673076] ? trace_hardirqs_on+0x10/0x10 [ 109.677321] dump_header+0x27b/0xf70 [ 109.681046] ? pagefault_out_of_memory+0x197/0x197 [ 109.686011] ? free_unref_page+0x9a0/0x9a0 [ 109.690257] ? trace_hardirqs_on+0xd/0x10 [ 109.694411] ? trace_hardirqs_on+0x10/0x10 [ 109.698654] ? put_task_stack+0x188/0x2c0 [ 109.702818] ? kasan_check_write+0x14/0x20 [ 109.707043] ? finish_task_switch+0x5e7/0x870 [ 109.711529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.717056] ? css_next_child+0x1c3/0x620 [ 109.721193] ? find_lock_task_mm+0x230/0x4d0 [ 109.725590] ? cgroup_get_tree+0xb20/0xb20 [ 109.729810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.735334] ? task_will_free_mem+0x239/0xb70 [ 109.739823] ? lock_downgrade+0x8f0/0x8f0 [ 109.743967] ? ___ratelimit+0x36f/0x655 [ 109.747933] ? lock_downgrade+0x8f0/0x8f0 [ 109.752079] ? kasan_check_read+0x11/0x20 [ 109.756225] ? do_raw_spin_unlock+0xa7/0x2f0 [ 109.760746] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 109.765328] ? do_raw_spin_lock+0x200/0x200 [ 109.769644] ? oom_kill_process+0x258/0x290 [ 109.773953] ? lock_downgrade+0x8f0/0x8f0 [ 109.778087] ? oom_unkillable_task+0x424/0x590 [ 109.782664] ? trace_hardirqs_on+0xd/0x10 [ 109.786811] ? ___ratelimit+0xaa/0x655 [ 109.790683] ? idr_get_free+0x10d0/0x10d0 [ 109.794818] ? kasan_check_write+0x14/0x20 [ 109.799051] ? do_raw_spin_lock+0xc1/0x200 [ 109.803272] oom_kill_process.cold.28+0x10/0x95a [ 109.808024] ? kasan_check_write+0x14/0x20 [ 109.812246] ? do_raw_spin_lock+0xc1/0x200 [ 109.816466] ? trace_hardirqs_on+0xd/0x10 [ 109.820598] ? oom_evaluate_task+0x540/0x540 [ 109.824989] ? cgroup_procs_next+0x70/0x70 [ 109.829211] ? trace_hardirqs_on+0xd/0x10 [ 109.833353] ? _raw_spin_unlock_irq+0x27/0x70 [ 109.837835] ? oom_badness+0xb00/0xb00 [ 109.841723] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 109.846467] ? mem_cgroup_iter_break+0x30/0x30 [ 109.851035] ? shrink_node+0x16a0/0x16a0 [ 109.855086] ? lock_acquire+0x1e4/0x540 [ 109.859047] ? cgroup_file_notify+0x226/0x2f0 [ 109.863532] out_of_memory+0xa8a/0x14d0 [ 109.867498] ? kasan_check_read+0x11/0x20 [ 109.871637] ? oom_killer_disable+0x3a0/0x3a0 [ 109.876125] ? kasan_check_write+0x14/0x20 [ 109.880353] ? do_raw_spin_lock+0xc1/0x200 [ 109.884583] mem_cgroup_out_of_memory+0x15e/0x210 [ 109.889409] ? memcg_memory_event+0x40/0x40 [ 109.893726] ? page_counter_try_charge+0x1c7/0x220 [ 109.898645] try_charge+0x720/0x1680 [ 109.902362] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 109.909119] ? lock_downgrade+0x8f0/0x8f0 [ 109.913272] ? lock_release+0xa30/0xa30 [ 109.917229] ? __anon_vma_prepare+0xc4/0x720 [ 109.921635] ? handle_mm_fault+0x53e/0xc80 [ 109.925867] ? fs_reclaim_acquire+0x20/0x20 [ 109.930187] ? lock_downgrade+0x8f0/0x8f0 [ 109.934343] ? percpu_ref_put_many+0x119/0x240 [ 109.938941] ? get_mem_cgroup_from_mm+0x209/0x440 [ 109.943788] ? get_mem_cgroup_from_page+0x190/0x190 [ 109.948794] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 109.953642] ? lock_acquire+0x1e4/0x540 [ 109.957609] mem_cgroup_try_charge+0x4ff/0xa70 [ 109.962209] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 109.967226] ? mem_cgroup_protected+0xa60/0xa60 [ 109.971907] ? up_write+0x7b/0x220 [ 109.975434] ? up_read+0x110/0x110 [ 109.978972] ? __anon_vma_prepare+0x36d/0x720 [ 109.983465] ? pmd_val+0x88/0x100 [ 109.986908] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 109.992450] mem_cgroup_try_charge_delay+0x1d/0x90 [ 109.997378] __handle_mm_fault+0x25be/0x4470 [ 110.001791] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 110.006623] ? cap_mmap_addr+0x52/0x130 [ 110.010636] ? userfaultfd_unmap_complete+0x32a/0x510 [ 110.015818] ? security_mmap_addr+0x80/0xa0 [ 110.020146] ? lock_acquire+0x1e4/0x540 [ 110.024121] ? handle_mm_fault+0x417/0xc80 [ 110.028362] ? lock_downgrade+0x8f0/0x8f0 [ 110.032509] ? lock_release+0xa30/0xa30 [ 110.036477] ? lock_release+0xa30/0xa30 [ 110.040441] ? down_read_killable+0x200/0x200 [ 110.044945] ? mem_cgroup_from_task+0xcb/0x1f0 [ 110.049514] ? get_mctgt_type+0xde0/0xde0 [ 110.053658] handle_mm_fault+0x53e/0xc80 [ 110.057721] ? __handle_mm_fault+0x4470/0x4470 [ 110.062307] ? find_vma+0x34/0x190 [ 110.065845] __do_page_fault+0x620/0xe50 [ 110.069895] ? mm_fault_error+0x380/0x380 [ 110.074030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 110.079557] ? __x64_sys_clock_gettime+0x170/0x250 [ 110.084477] ? __ia32_sys_clock_settime+0x290/0x290 [ 110.089499] do_page_fault+0xf6/0x8c0 [ 110.093289] ? vmalloc_sync_all+0x30/0x30 [ 110.097441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 110.102972] ? do_syscall_64+0x497/0x820 [ 110.107038] ? syscall_return_slowpath+0x5e0/0x5e0 [ 110.111964] ? syscall_return_slowpath+0x31d/0x5e0 [ 110.116887] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 110.121894] ? prepare_exit_to_usermode+0x291/0x3b0 [ 110.126904] ? page_fault+0x8/0x30 [ 110.130445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 110.135281] ? page_fault+0x8/0x30 [ 110.138827] page_fault+0x1e/0x30 [ 110.142267] RIP: 0033:0x40e33f [ 110.145449] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 110.164427] RSP: 002b:00007ffc77b42e00 EFLAGS: 00010206 [ 110.169779] RAX: 00007fd964f21000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 110.177046] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 110.184310] RBP: 00007ffc77b42ee0 R08: ffffffffffffffff R09: 0000000000000000 [ 110.191576] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77b42fd0 [ 110.198836] R13: 00007fd964f41700 R14: 0000000000000005 R15: 0000000000000001 [ 110.206232] Task in /ile0 killed as a result of limit of /ile0 [ 110.212299] memory: usage 508kB, limit 0kB, failcnt 29607 [ 110.218135] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 110.224912] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 110.231090] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 110.250556] Tasks state (memory values in pages): [ 110.255434] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 110.264331] [ 7201] 0 7201 9426 535 61440 0 0 syz-executor0 [ 110.273407] [ 7207] 0 7207 9426 538 61440 0 0 syz-executor2 [ 110.282474] [ 7208] 0 7208 9426 537 65536 0 0 syz-executor3 [ 110.291555] Memory cgroup out of memory: Kill process 7201 (syz-executor0) score 550000 or sacrifice child [ 110.301423] Killed process 7201 (syz-executor0) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 110.312558] oom_reaper: reaped process 7203 (syz-executor0), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 110.315821] syz-executor3 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 110.333289] syz-executor3 cpuset=/ mems_allowed=0 [ 110.338195] CPU: 1 PID: 7219 Comm: syz-executor3 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 110.346509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.355856] Call Trace: [ 110.358446] dump_stack+0x1c9/0x2b4 [ 110.362062] ? dump_stack_print_info.cold.2+0x52/0x52 [ 110.367243] ? compat_start_thread+0x80/0x80 [ 110.371655] dump_header+0x27b/0xf70 [ 110.375365] ? finish_task_switch+0x1d3/0x870 [ 110.379861] ? trace_hardirqs_on+0x10/0x10 [ 110.384092] ? pagefault_out_of_memory+0x197/0x197 [ 110.389027] ? __switch_to_asm+0x34/0x70 [ 110.393077] ? __switch_to_asm+0x40/0x70 [ 110.397127] ? __switch_to_asm+0x34/0x70 [ 110.401196] ? __switch_to_asm+0x40/0x70 [ 110.405245] ? __switch_to_asm+0x34/0x70 [ 110.409312] ? __switch_to_asm+0x40/0x70 [ 110.413374] ? __switch_to_asm+0x34/0x70 [ 110.418050] ? __switch_to_asm+0x40/0x70 [ 110.422101] ? trace_hardirqs_on+0x10/0x10 [ 110.426334] ? __schedule+0x884/0x1ec0 [ 110.430229] ? trace_hardirqs_on+0x10/0x10 [ 110.434457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 110.439992] ? css_next_child+0x1c3/0x620 [ 110.444156] ? find_lock_task_mm+0x230/0x4d0 [ 110.448556] ? cgroup_get_tree+0xb20/0xb20 [ 110.452787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 110.458330] ? task_will_free_mem+0x239/0xb70 [ 110.462825] ? lock_downgrade+0x8f0/0x8f0 [ 110.466970] ? ___ratelimit+0x36f/0x655 [ 110.470931] ? lock_downgrade+0x8f0/0x8f0 [ 110.475065] ? kasan_check_read+0x11/0x20 [ 110.479199] ? do_raw_spin_unlock+0xa7/0x2f0 [ 110.483591] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 110.488159] ? do_raw_spin_lock+0x200/0x200 [ 110.492470] ? oom_kill_process+0x258/0x290 [ 110.496778] ? lock_downgrade+0x8f0/0x8f0 [ 110.500910] ? trace_hardirqs_on+0xd/0x10 [ 110.505044] ? ___ratelimit+0xaa/0x655 [ 110.508918] ? idr_get_free+0x10d0/0x10d0 [ 110.513062] ? kasan_check_write+0x14/0x20 [ 110.517283] ? do_raw_spin_lock+0xc1/0x200 [ 110.521509] oom_kill_process.cold.28+0x10/0x95a [ 110.526258] ? kasan_check_write+0x14/0x20 [ 110.530488] ? do_raw_spin_lock+0xc1/0x200 [ 110.534710] ? trace_hardirqs_on+0xd/0x10 [ 110.538846] ? oom_evaluate_task+0x540/0x540 [ 110.543251] ? cgroup_procs_next+0x70/0x70 [ 110.547485] ? trace_hardirqs_on+0xd/0x10 [ 110.551623] ? _raw_spin_unlock_irq+0x27/0x70 [ 110.556107] ? oom_badness+0xb00/0xb00 [ 110.559981] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 110.564723] ? mem_cgroup_iter_break+0x30/0x30 [ 110.569293] ? shrink_node+0x16a0/0x16a0 [ 110.573363] ? lock_downgrade+0x8f0/0x8f0 [ 110.577517] ? lock_acquire+0x1e4/0x540 [ 110.581491] ? cgroup_file_notify+0x226/0x2f0 [ 110.585984] out_of_memory+0xa8a/0x14d0 [ 110.589968] ? kasan_check_read+0x11/0x20 [ 110.594118] ? oom_killer_disable+0x3a0/0x3a0 [ 110.598628] ? trace_hardirqs_off+0xd/0x10 [ 110.602877] ? trace_hardirqs_on+0xd/0x10 [ 110.607014] mem_cgroup_out_of_memory+0x15e/0x210 [ 110.611851] ? memcg_memory_event+0x40/0x40 [ 110.616174] ? page_counter_memparse+0xb5/0x1e0 [ 110.620842] memory_max_write+0x1b4/0x3f0 [ 110.624988] ? lock_acquire+0x1e4/0x540 [ 110.628954] ? kernfs_fop_write+0x227/0x480 [ 110.633277] ? mem_cgroup_write+0x400/0x400 [ 110.637601] ? lock_acquire+0x1e4/0x540 [ 110.641568] ? __might_fault+0x12b/0x1e0 [ 110.645639] cgroup_file_write+0x31f/0x840 [ 110.649863] ? mem_cgroup_write+0x400/0x400 [ 110.654169] ? cgroup_migrate_add_task+0xcd0/0xcd0 [ 110.659087] ? cgroup_migrate_add_task+0xcd0/0xcd0 [ 110.664015] kernfs_fop_write+0x2ba/0x480 [ 110.668158] __vfs_write+0x117/0x9d0 [ 110.671868] ? kernfs_fop_open+0x1020/0x1020 [ 110.676259] ? kernel_read+0x120/0x120 [ 110.680137] ? lock_release+0xa30/0xa30 [ 110.684097] ? check_same_owner+0x340/0x340 [ 110.688406] ? rcu_note_context_switch+0x730/0x730 [ 110.693322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 110.698852] ? __sb_start_write+0x17f/0x300 [ 110.703183] vfs_write+0x1fc/0x560 [ 110.706725] ksys_write+0x101/0x260 [ 110.710343] ? __ia32_sys_read+0xb0/0xb0 [ 110.714402] ? syscall_slow_exit_work+0x500/0x500 [ 110.719235] __x64_sys_write+0x73/0xb0 [ 110.723108] do_syscall_64+0x1b9/0x820 [ 110.726989] ? syscall_return_slowpath+0x5e0/0x5e0 [ 110.731906] ? syscall_return_slowpath+0x31d/0x5e0 [ 110.736822] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 110.741828] ? __switch_to_asm+0x34/0x70 [ 110.745882] ? __switch_to_asm+0x34/0x70 [ 110.749927] ? __switch_to_asm+0x40/0x70 [ 110.753984] ? __switch_to_asm+0x34/0x70 [ 110.758030] ? __switch_to_asm+0x34/0x70 [ 110.762073] ? __switch_to_asm+0x40/0x70 [ 110.766119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 110.770953] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.776138] RIP: 0033:0x456b29 [ 110.779320] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 110.798217] RSP: 002b:00007f03fc102c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 110.805915] RAX: ffffffffffffffda RBX: 00007f03fc1036d4 RCX: 0000000000456b29 [ 110.813188] RDX: 0000000000000012 RSI: 00000000200000c0 RDI: 0000000000000008 [ 110.820530] RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000 [ 110.827786] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 110.835045] R13: 00000000004d6a40 R14: 00000000004c9db6 R15: 0000000000000001 [ 110.842447] Task in /ile0 killed as a result of limit of /ile0 [ 110.848499] memory: usage 512kB, limit 0kB, failcnt 29618 [ 110.854075] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 110.860852] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 110.867009] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 110.886456] Tasks state (memory values in pages): [ 110.891317] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 110.900232] [ 7208] 0 7208 9459 537 65536 0 0 syz-executor3 [ 110.909304] Memory cgroup out of memory: Kill process 7208 (syz-executor3) score 553000 or sacrifice child [ 110.919155] Killed process 7208 (syz-executor3) total-vm:37836kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 110.930582] oom_reaper: reaped process 7208 (syz-executor3), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 111.010516] syz-executor1 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 111.022543] syz-executor1 cpuset=/ mems_allowed=0 [ 111.027505] CPU: 1 PID: 7237 Comm: syz-executor1 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 111.035844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.045214] Call Trace: [ 111.047822] dump_stack+0x1c9/0x2b4 [ 111.051476] ? dump_stack_print_info.cold.2+0x52/0x52 [ 111.056811] ? lock_downgrade+0x8f0/0x8f0 [ 111.060977] dump_header+0x27b/0xf70 [ 111.064713] ? trace_hardirqs_on+0x10/0x10 [ 111.068968] ? pagefault_out_of_memory+0x197/0x197 [ 111.073924] ? trace_hardirqs_on+0x10/0x10 [ 111.078172] ? trace_hardirqs_on+0x10/0x10 [ 111.082425] ? rcu_read_unlock+0x16/0x70 [ 111.086485] ? lock_downgrade+0x8f0/0x8f0 [ 111.090639] ? trace_hardirqs_on+0x10/0x10 [ 111.094880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 111.100415] ? css_next_child+0x1c3/0x620 [ 111.104565] ? find_lock_task_mm+0x230/0x4d0 [ 111.108969] ? cgroup_get_tree+0xb20/0xb20 [ 111.113200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 111.118733] ? task_will_free_mem+0x239/0xb70 [ 111.123219] ? lock_downgrade+0x8f0/0x8f0 [ 111.127361] ? ___ratelimit+0x36f/0x655 [ 111.131329] ? lock_downgrade+0x8f0/0x8f0 [ 111.135483] ? kasan_check_read+0x11/0x20 [ 111.139621] ? do_raw_spin_unlock+0xa7/0x2f0 [ 111.144020] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 111.148609] ? do_raw_spin_lock+0x200/0x200 [ 111.152934] ? oom_kill_process+0x258/0x290 [ 111.157248] ? lock_downgrade+0x8f0/0x8f0 [ 111.161389] ? trace_hardirqs_on+0xd/0x10 [ 111.165537] ? ___ratelimit+0xaa/0x655 [ 111.169413] ? idr_get_free+0x10d0/0x10d0 [ 111.173550] ? kasan_check_write+0x14/0x20 [ 111.177771] ? do_raw_spin_lock+0xc1/0x200 [ 111.182012] oom_kill_process.cold.28+0x10/0x95a [ 111.186773] ? kasan_check_write+0x14/0x20 [ 111.190994] ? do_raw_spin_lock+0xc1/0x200 [ 111.195657] ? trace_hardirqs_on+0xd/0x10 [ 111.199813] ? oom_evaluate_task+0x540/0x540 [ 111.204218] ? cgroup_procs_next+0x70/0x70 [ 111.208452] ? trace_hardirqs_on+0xd/0x10 [ 111.212590] ? _raw_spin_unlock_irq+0x27/0x70 [ 111.217076] ? oom_badness+0xb00/0xb00 [ 111.220969] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 111.225710] ? mem_cgroup_iter_break+0x30/0x30 [ 111.230288] ? shrink_node+0x16a0/0x16a0 [ 111.234357] ? lock_acquire+0x1e4/0x540 [ 111.238324] ? cgroup_file_notify+0x226/0x2f0 [ 111.242818] out_of_memory+0xa8a/0x14d0 [ 111.246795] ? kasan_check_read+0x11/0x20 [ 111.250940] ? oom_killer_disable+0x3a0/0x3a0 [ 111.255443] ? kasan_check_write+0x14/0x20 [ 111.259682] ? do_raw_spin_lock+0xc1/0x200 [ 111.263928] ? trace_hardirqs_on+0xd/0x10 [ 111.268070] mem_cgroup_out_of_memory+0x15e/0x210 [ 111.272905] ? memcg_memory_event+0x40/0x40 [ 111.277215] ? page_counter_try_charge+0x1c7/0x220 [ 111.282147] try_charge+0x720/0x1680 [ 111.285852] ? lock_acquire+0x1e4/0x540 [ 111.289830] ? fs_reclaim_acquire+0x20/0x20 [ 111.294165] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 111.300919] ? rcu_note_context_switch+0x730/0x730 [ 111.305855] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 111.310703] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 111.315723] memcg_kmem_charge_memcg+0x7c/0x120 [ 111.320388] ? memcg_kmem_put_cache+0xb0/0xb0 [ 111.324873] ? __free_pages+0x10a/0x190 [ 111.328843] cache_grow_begin+0x207/0x710 [ 111.332982] ? do_raw_spin_unlock+0xa7/0x2f0 [ 111.337381] fallback_alloc+0x203/0x2c0 [ 111.341356] ____cache_alloc_node+0x1c7/0x1e0 [ 111.345866] kmem_cache_alloc+0x1e5/0x760 [ 111.350006] ? kasan_check_write+0x14/0x20 [ 111.354235] __alloc_file+0xac/0x400 [ 111.357967] ? file_free_rcu+0x90/0x90 [ 111.361850] ? select_collect+0x610/0x610 [ 111.366003] ? d_instantiate+0x79/0xa0 [ 111.369900] ? lock_downgrade+0x8f0/0x8f0 [ 111.374045] ? kasan_check_read+0x11/0x20 [ 111.378199] ? do_raw_spin_unlock+0xa7/0x2f0 [ 111.382601] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 111.387204] alloc_empty_file+0x72/0x170 [ 111.391268] alloc_file+0x5c/0x430 [ 111.394806] alloc_file_pseudo+0x261/0x3f0 [ 111.399037] ? alloc_file+0x430/0x430 [ 111.402832] ? check_same_owner+0x340/0x340 [ 111.407143] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 111.412238] ? __check_object_size+0xa3/0x5d7 [ 111.416747] ? kasan_check_write+0x14/0x20 [ 111.420981] __shmem_file_setup.part.48+0x110/0x2a0 [ 111.425990] shmem_file_setup+0x65/0x90 [ 111.429968] __x64_sys_memfd_create+0x2af/0x4f0 [ 111.434643] ? memfd_fcntl+0x1e80/0x1e80 [ 111.438700] do_syscall_64+0x1b9/0x820 [ 111.442603] ? syscall_return_slowpath+0x5e0/0x5e0 [ 111.447545] ? syscall_return_slowpath+0x31d/0x5e0 [ 111.452474] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 111.457484] ? __switch_to_asm+0x34/0x70 [ 111.461536] ? __switch_to_asm+0x34/0x70 [ 111.465585] ? __switch_to_asm+0x40/0x70 [ 111.469643] ? __switch_to_asm+0x34/0x70 [ 111.473706] ? __switch_to_asm+0x34/0x70 [ 111.477777] ? __switch_to_asm+0x40/0x70 [ 111.481834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 111.486684] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.491864] RIP: 0033:0x456b29 [ 111.495047] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 111.514140] RSP: 002b:00007f0481364a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 111.521844] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 111.529128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 111.536392] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 111.543660] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 111.550927] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 111.558298] Task in /ile0 killed as a result of limit of /ile0 [ 111.564382] memory: usage 512kB, limit 0kB, failcnt 29787 [ 111.569955] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 111.576747] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 111.582909] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 111.602374] Tasks state (memory values in pages): [ 111.607250] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 111.616146] [ 7226] 0 7226 9426 536 61440 0 0 syz-executor4 [ 111.625203] [ 7229] 0 7229 9426 535 65536 0 0 syz-executor1 [ 111.634259] [ 7230] 0 7230 9426 535 65536 0 0 syz-executor5 [ 111.643322] [ 7239] 0 7239 9426 537 65536 0 0 syz-executor3 [ 111.652434] [ 7240] 0 7240 9426 534 65536 0 0 syz-executor7 [ 111.661502] [ 7241] 0 7241 9426 538 61440 0 0 syz-executor2 [ 111.670560] [ 7242] 0 7242 9426 535 61440 0 0 syz-executor0 [ 111.679612] Memory cgroup out of memory: Kill process 7229 (syz-executor1) score 551000 or sacrifice child [ 111.689455] Killed process 7229 (syz-executor1) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 111.700635] oom_reaper: reaped process 7229 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 111.741719] syz-executor4 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 111.753663] syz-executor4 cpuset=/ mems_allowed=0 [ 111.758574] CPU: 0 PID: 7234 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 111.766907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.776256] Call Trace: [ 111.778846] dump_stack+0x1c9/0x2b4 [ 111.782476] ? dump_stack_print_info.cold.2+0x52/0x52 [ 111.787669] ? trace_hardirqs_on+0x10/0x10 [ 111.791894] dump_header+0x27b/0xf70 [ 111.795607] ? pagefault_out_of_memory+0x197/0x197 [ 111.800538] ? do_raw_spin_unlock+0xa7/0x2f0 [ 111.804948] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 111.809540] ? compat_start_thread+0x80/0x80 [ 111.813943] ? trace_hardirqs_on+0x10/0x10 [ 111.818173] ? kasan_check_write+0x14/0x20 [ 111.822399] ? finish_task_switch+0x2ca/0x870 [ 111.826899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 111.832443] ? css_next_child+0x1c3/0x620 [ 111.836592] ? find_lock_task_mm+0x230/0x4d0 [ 111.841003] ? cgroup_get_tree+0xb20/0xb20 [ 111.845227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 111.850756] ? task_will_free_mem+0x239/0xb70 [ 111.855242] ? lock_downgrade+0x8f0/0x8f0 [ 111.859391] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 111.864272] ? retint_kernel+0x10/0x10 [ 111.868150] ? do_raw_spin_unlock+0xa7/0x2f0 [ 111.872549] ? _raw_spin_unlock_irqrestore+0xa1/0xc0 [ 111.877644] ? ___ratelimit+0xaa/0x655 [ 111.881522] ? idr_get_free+0x10d0/0x10d0 [ 111.885675] ? kasan_check_write+0x14/0x20 [ 111.889899] ? do_raw_spin_lock+0xc1/0x200 [ 111.894132] oom_kill_process.cold.28+0x10/0x95a [ 111.898883] ? kasan_check_write+0x14/0x20 [ 111.903117] ? do_raw_spin_lock+0xc1/0x200 [ 111.907357] ? trace_hardirqs_on+0xd/0x10 [ 111.911501] ? oom_evaluate_task+0x540/0x540 [ 111.915904] ? cgroup_procs_next+0x70/0x70 [ 111.920134] ? trace_hardirqs_on+0xd/0x10 [ 111.924284] ? _raw_spin_unlock_irq+0x27/0x70 [ 111.928786] ? oom_badness+0xb00/0xb00 [ 111.932666] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 111.937413] ? mem_cgroup_iter_break+0x30/0x30 [ 111.941989] ? shrink_node+0x16a0/0x16a0 [ 111.946047] ? lock_acquire+0x1e4/0x540 [ 111.950017] ? cgroup_file_notify+0x226/0x2f0 [ 111.954504] out_of_memory+0xa8a/0x14d0 [ 111.958472] ? kasan_check_read+0x11/0x20 [ 111.962614] ? oom_killer_disable+0x3a0/0x3a0 [ 111.967100] ? kasan_check_write+0x14/0x20 [ 111.971332] ? do_raw_spin_lock+0xc1/0x200 [ 111.975569] mem_cgroup_out_of_memory+0x15e/0x210 [ 111.980411] ? memcg_memory_event+0x40/0x40 [ 111.984723] ? page_counter_try_charge+0x1c7/0x220 [ 111.989648] try_charge+0x720/0x1680 [ 111.993358] ? lock_acquire+0x1e4/0x540 [ 111.997342] ? fs_reclaim_acquire+0x20/0x20 [ 112.001663] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 112.008418] ? rcu_note_context_switch+0x730/0x730 [ 112.013354] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 112.018192] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 112.023211] memcg_kmem_charge_memcg+0x7c/0x120 [ 112.027892] ? memcg_kmem_put_cache+0xb0/0xb0 [ 112.032401] ? __free_pages+0x10a/0x190 [ 112.036384] cache_grow_begin+0x207/0x710 [ 112.040534] ? do_raw_spin_unlock+0xa7/0x2f0 [ 112.044938] fallback_alloc+0x203/0x2c0 [ 112.048918] ____cache_alloc_node+0x1c7/0x1e0 [ 112.053405] kmem_cache_alloc+0x1e5/0x760 [ 112.057559] ? lock_downgrade+0x8f0/0x8f0 [ 112.061711] ? shmem_destroy_callback+0xc0/0xc0 [ 112.066372] shmem_alloc_inode+0x1b/0x40 [ 112.070424] alloc_inode+0x63/0x190 [ 112.074050] new_inode_pseudo+0x71/0x1a0 [ 112.078101] ? prune_icache_sb+0x1c0/0x1c0 [ 112.082330] ? _raw_spin_unlock+0x22/0x30 [ 112.086467] new_inode+0x1c/0x40 [ 112.089825] shmem_get_inode+0xf1/0x910 [ 112.093812] ? shmem_encode_fh+0x340/0x340 [ 112.098141] ? lock_downgrade+0x8f0/0x8f0 [ 112.102295] ? lock_release+0xa30/0xa30 [ 112.106262] ? check_same_owner+0x340/0x340 [ 112.110581] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 112.115594] ? __check_object_size+0xa3/0x5d7 [ 112.120558] __shmem_file_setup.part.48+0x83/0x2a0 [ 112.125492] shmem_file_setup+0x65/0x90 [ 112.129457] __x64_sys_memfd_create+0x2af/0x4f0 [ 112.134119] ? memfd_fcntl+0x1e80/0x1e80 [ 112.138180] do_syscall_64+0x1b9/0x820 [ 112.142060] ? finish_task_switch+0x1d3/0x870 [ 112.146586] ? syscall_return_slowpath+0x5e0/0x5e0 [ 112.151509] ? syscall_return_slowpath+0x31d/0x5e0 [ 112.156439] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 112.161449] ? __switch_to_asm+0x34/0x70 [ 112.165502] ? __switch_to_asm+0x34/0x70 [ 112.169553] ? __switch_to_asm+0x40/0x70 [ 112.173620] ? __switch_to_asm+0x34/0x70 [ 112.177685] ? __switch_to_asm+0x40/0x70 [ 112.181749] ? __switch_to_asm+0x34/0x70 [ 112.185802] ? __switch_to_asm+0x40/0x70 [ 112.189861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 112.194700] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.199897] RIP: 0033:0x456b29 [ 112.203097] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 112.222688] RSP: 002b:00007f834cd28a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 112.230390] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 112.237661] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 112.244920] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 112.252197] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 112.259492] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 112.267495] Task in /ile0 killed as a result of limit of /ile0 [ 112.273522] memory: usage 516kB, limit 0kB, failcnt 30532 [ 112.279068] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 112.285828] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 112.291978] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 112.311397] Tasks state (memory values in pages): [ 112.316270] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 112.325184] [ 7226] 0 7226 9426 536 61440 0 0 syz-executor4 [ 112.334221] [ 7229] 0 7229 9426 0 61440 0 0 syz-executor1 [ 112.343286] [ 7230] 0 7230 9426 535 65536 0 0 syz-executor5 [ 112.352371] [ 7239] 0 7239 9426 537 65536 0 0 syz-executor3 [ 112.361404] [ 7240] 0 7240 9426 534 65536 0 0 syz-executor7 [ 112.370433] [ 7241] 0 7241 9426 538 61440 0 0 syz-executor2 [ 112.379478] [ 7242] 0 7242 9426 535 61440 0 0 syz-executor0 [ 112.388519] Memory cgroup out of memory: Kill process 7241 (syz-executor2) score 553000 or sacrifice child [ 112.398364] Killed process 7241 (syz-executor2) total-vm:37704kB, anon-rss:2152kB, file-rss:0kB, shmem-rss:0kB [ 112.412044] oom_reaper: reaped process 7241 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 112.422051] syz-executor4 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 112.432983] syz-executor4 cpuset=/ mems_allowed=0 [ 112.437887] CPU: 0 PID: 7226 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 112.446298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.455656] Call Trace: [ 112.458254] dump_stack+0x1c9/0x2b4 [ 112.461898] ? dump_stack_print_info.cold.2+0x52/0x52 [ 112.467097] ? trace_hardirqs_on+0x10/0x10 [ 112.471335] dump_header+0x27b/0xf70 [ 112.475047] ? trace_hardirqs_on+0x10/0x10 [ 112.479292] ? __switch_to_asm+0x40/0x70 [ 112.483369] ? pagefault_out_of_memory+0x197/0x197 [ 112.488296] ? __switch_to_asm+0x40/0x70 [ 112.492368] ? __switch_to_asm+0x34/0x70 [ 112.496430] ? __switch_to_asm+0x40/0x70 [ 112.500487] ? __switch_to_asm+0x34/0x70 [ 112.504556] ? __switch_to_asm+0x40/0x70 [ 112.508615] ? __switch_to_asm+0x34/0x70 [ 112.512671] ? __switch_to_asm+0x40/0x70 [ 112.516736] ? trace_hardirqs_on+0x10/0x10 [ 112.520955] ? __schedule+0x884/0x1ec0 [ 112.524839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.530383] ? css_next_child+0x1c3/0x620 [ 112.534525] ? find_lock_task_mm+0x230/0x4d0 [ 112.538934] ? cgroup_get_tree+0xb20/0xb20 [ 112.543169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.548699] ? task_will_free_mem+0x239/0xb70 [ 112.553215] ? lock_downgrade+0x8f0/0x8f0 [ 112.557357] ? ___ratelimit+0x36f/0x655 [ 112.561763] ? lock_downgrade+0x8f0/0x8f0 [ 112.565914] ? kasan_check_read+0x11/0x20 [ 112.570051] ? do_raw_spin_unlock+0xa7/0x2f0 [ 112.574454] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 112.579025] ? do_raw_spin_lock+0x200/0x200 [ 112.584044] ? oom_kill_process+0x258/0x290 [ 112.588367] ? lock_downgrade+0x8f0/0x8f0 [ 112.592513] ? trace_hardirqs_on+0xd/0x10 [ 112.596660] ? ___ratelimit+0xaa/0x655 [ 112.600546] ? idr_get_free+0x10d0/0x10d0 [ 112.604726] ? kasan_check_write+0x14/0x20 [ 112.608972] ? do_raw_spin_lock+0xc1/0x200 [ 112.613200] oom_kill_process.cold.28+0x10/0x95a [ 112.617949] ? kasan_check_write+0x14/0x20 [ 112.622179] ? do_raw_spin_lock+0xc1/0x200 [ 112.626423] ? trace_hardirqs_on+0xd/0x10 [ 112.630584] ? oom_evaluate_task+0x540/0x540 [ 112.635020] ? cgroup_procs_next+0x70/0x70 [ 112.639264] ? trace_hardirqs_on+0xd/0x10 [ 112.643411] ? _raw_spin_unlock_irq+0x27/0x70 [ 112.647914] ? oom_badness+0xb00/0xb00 [ 112.651800] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 112.656550] ? mem_cgroup_iter_break+0x30/0x30 [ 112.661137] ? shrink_node+0x16a0/0x16a0 [ 112.665195] ? lock_acquire+0x1e4/0x540 [ 112.669168] ? cgroup_file_notify+0x226/0x2f0 [ 112.673681] out_of_memory+0xa8a/0x14d0 [ 112.677643] ? kasan_check_read+0x11/0x20 [ 112.681779] ? oom_killer_disable+0x3a0/0x3a0 [ 112.686261] ? kasan_check_write+0x14/0x20 [ 112.690485] ? do_raw_spin_lock+0xc1/0x200 [ 112.694722] mem_cgroup_out_of_memory+0x15e/0x210 [ 112.699574] ? memcg_memory_event+0x40/0x40 [ 112.703893] ? page_counter_try_charge+0x1c7/0x220 [ 112.708814] try_charge+0x720/0x1680 [ 112.712568] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 112.719327] ? lock_downgrade+0x8f0/0x8f0 [ 112.723473] ? lock_release+0xa30/0xa30 [ 112.727456] ? __anon_vma_prepare+0xc4/0x720 [ 112.731850] ? handle_mm_fault+0x53e/0xc80 [ 112.736074] ? fs_reclaim_acquire+0x20/0x20 [ 112.740586] ? lock_downgrade+0x8f0/0x8f0 [ 112.744734] ? percpu_ref_put_many+0x119/0x240 [ 112.749304] ? get_mem_cgroup_from_mm+0x209/0x440 [ 112.754175] ? get_mem_cgroup_from_page+0x190/0x190 [ 112.759201] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 112.764055] ? lock_acquire+0x1e4/0x540 [ 112.768054] mem_cgroup_try_charge+0x4ff/0xa70 [ 112.773072] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 112.778098] ? mem_cgroup_protected+0xa60/0xa60 [ 112.782770] ? up_write+0x7b/0x220 [ 112.786302] ? up_read+0x110/0x110 [ 112.789849] ? __anon_vma_prepare+0x36d/0x720 [ 112.794351] ? pmd_val+0x88/0x100 [ 112.797815] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 112.803351] mem_cgroup_try_charge_delay+0x1d/0x90 [ 112.808269] __handle_mm_fault+0x25be/0x4470 [ 112.812687] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 112.817529] ? cap_mmap_addr+0x52/0x130 [ 112.821505] ? userfaultfd_unmap_complete+0x32a/0x510 [ 112.826700] ? security_mmap_addr+0x80/0xa0 [ 112.831029] ? lock_acquire+0x1e4/0x540 [ 112.835044] ? handle_mm_fault+0x417/0xc80 [ 112.839277] ? lock_downgrade+0x8f0/0x8f0 [ 112.843432] ? lock_release+0xa30/0xa30 [ 112.847395] ? lock_release+0xa30/0xa30 [ 112.851371] ? down_read_killable+0x200/0x200 [ 112.856057] ? mem_cgroup_from_task+0xcb/0x1f0 [ 112.860642] ? get_mctgt_type+0xde0/0xde0 [ 112.864782] handle_mm_fault+0x53e/0xc80 [ 112.868849] ? __handle_mm_fault+0x4470/0x4470 [ 112.873444] ? find_vma+0x34/0x190 [ 112.877002] __do_page_fault+0x620/0xe50 [ 112.881074] ? mm_fault_error+0x380/0x380 [ 112.885221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.890759] ? __x64_sys_clock_gettime+0x170/0x250 [ 112.895691] ? __ia32_sys_clock_settime+0x290/0x290 [ 112.902033] do_page_fault+0xf6/0x8c0 [ 112.905842] ? vmalloc_sync_all+0x30/0x30 [ 112.909987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.915527] ? do_syscall_64+0x497/0x820 [ 112.919602] ? syscall_return_slowpath+0x5e0/0x5e0 [ 112.924627] ? syscall_return_slowpath+0x31d/0x5e0 [ 112.929577] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 112.934583] ? prepare_exit_to_usermode+0x291/0x3b0 [ 112.939592] ? page_fault+0x8/0x30 [ 112.943120] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 112.947966] ? page_fault+0x8/0x30 [ 112.951492] page_fault+0x1e/0x30 [ 112.954931] RIP: 0033:0x40e33f [ 112.958114] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 112.977005] RSP: 002b:00007ffcc7fddb40 EFLAGS: 00010206 [ 112.982367] RAX: 00007f834cce8000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 112.989627] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 112.996885] RBP: 00007ffcc7fddc20 R08: ffffffffffffffff R09: 0000000000000000 [ 113.004243] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcc7fddd10 [ 113.011518] R13: 00007f834cd08700 R14: 0000000000000005 R15: 0000000000000001 [ 113.018949] Task in /ile0 killed as a result of limit of /ile0 [ 113.025034] memory: usage 516kB, limit 0kB, failcnt 30718 [ 113.030605] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 113.037388] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 113.043562] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 113.063007] Tasks state (memory values in pages): [ 113.067881] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 113.076769] [ 7226] 0 7226 9426 536 61440 0 0 syz-executor4 [ 113.085843] [ 7229] 0 7229 9426 0 61440 0 0 syz-executor1 [ 113.094913] [ 7230] 0 7230 9426 535 65536 0 0 syz-executor5 [ 113.104002] [ 7239] 0 7239 9426 537 65536 0 0 syz-executor3 [ 113.113067] [ 7240] 0 7240 9426 534 65536 0 0 syz-executor7 [ 113.122128] [ 7241] 0 7241 9426 0 57344 0 0 syz-executor2 [ 113.131196] [ 7242] 0 7242 9426 535 61440 0 0 syz-executor0 [ 113.140270] Memory cgroup out of memory: Kill process 7239 (syz-executor3) score 553000 or sacrifice child [ 113.150127] Killed process 7239 (syz-executor3) total-vm:37704kB, anon-rss:2148kB, file-rss:0kB, shmem-rss:0kB [ 113.161457] oom_reaper: reaped process 7239 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 113.171408] syz-executor5 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 113.183239] syz-executor5 cpuset=/ mems_allowed=0 [ 113.188766] CPU: 0 PID: 7230 Comm: syz-executor5 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 113.197098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.206458] Call Trace: [ 113.209049] dump_stack+0x1c9/0x2b4 [ 113.212669] ? dump_stack_print_info.cold.2+0x52/0x52 [ 113.217852] ? trace_hardirqs_on+0x10/0x10 [ 113.222081] dump_header+0x27b/0xf70 [ 113.225808] ? trace_hardirqs_on+0x10/0x10 [ 113.230044] ? __switch_to_asm+0x40/0x70 [ 113.234109] ? pagefault_out_of_memory+0x197/0x197 [ 113.239027] ? __switch_to_asm+0x40/0x70 [ 113.243078] ? __switch_to_asm+0x34/0x70 [ 113.247133] ? __switch_to_asm+0x40/0x70 [ 113.251181] ? __switch_to_asm+0x34/0x70 [ 113.255239] ? __switch_to_asm+0x40/0x70 [ 113.259286] ? __switch_to_asm+0x34/0x70 [ 113.263367] ? __switch_to_asm+0x40/0x70 [ 113.267426] ? trace_hardirqs_on+0x10/0x10 [ 113.271661] ? __schedule+0x884/0x1ec0 [ 113.275556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 113.281088] ? css_next_child+0x1c3/0x620 [ 113.285238] ? find_lock_task_mm+0x230/0x4d0 [ 113.289639] ? cgroup_get_tree+0xb20/0xb20 [ 113.293875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 113.299403] ? task_will_free_mem+0x239/0xb70 [ 113.303900] ? lock_downgrade+0x8f0/0x8f0 [ 113.308051] ? ___ratelimit+0x36f/0x655 [ 113.312034] ? lock_downgrade+0x8f0/0x8f0 [ 113.316191] ? kasan_check_read+0x11/0x20 [ 113.320343] ? do_raw_spin_unlock+0xa7/0x2f0 [ 113.324762] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 113.329335] ? do_raw_spin_lock+0x200/0x200 [ 113.333674] ? oom_kill_process+0x258/0x290 [ 113.338023] ? lock_downgrade+0x8f0/0x8f0 [ 113.342256] ? trace_hardirqs_on+0xd/0x10 [ 113.346404] ? ___ratelimit+0xaa/0x655 [ 113.350275] ? idr_get_free+0x10d0/0x10d0 [ 113.354414] ? kasan_check_write+0x14/0x20 [ 113.358649] ? do_raw_spin_lock+0xc1/0x200 [ 113.362883] oom_kill_process.cold.28+0x10/0x95a [ 113.367900] ? kasan_check_write+0x14/0x20 [ 113.372137] ? do_raw_spin_lock+0xc1/0x200 [ 113.376377] ? trace_hardirqs_on+0xd/0x10 [ 113.380525] ? oom_evaluate_task+0x540/0x540 [ 113.385052] ? cgroup_procs_next+0x70/0x70 [ 113.389286] ? trace_hardirqs_on+0xd/0x10 [ 113.393440] ? _raw_spin_unlock_irq+0x27/0x70 [ 113.397954] ? oom_badness+0xb00/0xb00 [ 113.401839] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 113.406588] ? mem_cgroup_iter_break+0x30/0x30 [ 113.411166] ? shrink_node+0x16a0/0x16a0 [ 113.415235] ? lock_acquire+0x1e4/0x540 [ 113.419213] ? cgroup_file_notify+0x226/0x2f0 [ 113.423705] out_of_memory+0xa8a/0x14d0 [ 113.427667] ? kasan_check_read+0x11/0x20 [ 113.431890] ? oom_killer_disable+0x3a0/0x3a0 [ 113.436375] ? kasan_check_write+0x14/0x20 [ 113.440601] ? do_raw_spin_lock+0xc1/0x200 [ 113.444835] mem_cgroup_out_of_memory+0x15e/0x210 [ 113.449673] ? memcg_memory_event+0x40/0x40 [ 113.454851] ? page_counter_try_charge+0x1c7/0x220 [ 113.459769] try_charge+0x720/0x1680 [ 113.463472] ? lock_acquire+0x1e4/0x540 [ 113.467432] ? fs_reclaim_acquire+0x20/0x20 [ 113.471741] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 113.478499] ? rcu_note_context_switch+0x730/0x730 [ 113.483456] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 113.488313] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 113.493351] memcg_kmem_charge_memcg+0x7c/0x120 [ 113.498039] ? memcg_kmem_put_cache+0xb0/0xb0 [ 113.502523] ? __free_pages+0x10a/0x190 [ 113.506491] cache_grow_begin+0x207/0x710 [ 113.510785] ? do_raw_spin_unlock+0xa7/0x2f0 [ 113.515194] fallback_alloc+0x203/0x2c0 [ 113.519159] ____cache_alloc_node+0x1c7/0x1e0 [ 113.523741] kmem_cache_alloc+0x1e5/0x760 [ 113.527907] __anon_vma_prepare+0xc4/0x720 [ 113.532129] ? anon_vma_fork+0x960/0x960 [ 113.536197] ? pmd_val+0x88/0x100 [ 113.539637] ? add_mm_counter_fast+0xd0/0xd0 [ 113.544033] ? pmd_val+0x88/0x100 [ 113.547480] ? add_mm_counter_fast+0xd0/0xd0 [ 113.551879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 113.557414] __handle_mm_fault+0x3556/0x4470 [ 113.561809] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 113.566643] ? cap_mmap_addr+0x52/0x130 [ 113.570619] ? userfaultfd_unmap_complete+0x32a/0x510 [ 113.575811] ? security_mmap_addr+0x80/0xa0 [ 113.580158] ? lock_acquire+0x1e4/0x540 [ 113.584127] ? handle_mm_fault+0x417/0xc80 [ 113.588365] ? lock_downgrade+0x8f0/0x8f0 [ 113.592533] ? lock_release+0xa30/0xa30 [ 113.596611] ? lock_release+0xa30/0xa30 [ 113.600581] ? down_read_killable+0x200/0x200 [ 113.605090] ? mem_cgroup_from_task+0xcb/0x1f0 [ 113.609677] ? get_mctgt_type+0xde0/0xde0 [ 113.613826] handle_mm_fault+0x53e/0xc80 [ 113.617889] ? __handle_mm_fault+0x4470/0x4470 [ 113.622464] ? find_vma+0x34/0x190 [ 113.625997] __do_page_fault+0x620/0xe50 [ 113.630051] ? mm_fault_error+0x380/0x380 [ 113.634205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 113.639751] ? __x64_sys_clock_gettime+0x170/0x250 [ 113.644678] ? __ia32_sys_clock_settime+0x290/0x290 [ 113.649693] do_page_fault+0xf6/0x8c0 [ 113.653485] ? vmalloc_sync_all+0x30/0x30 [ 113.657623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 113.663161] ? do_syscall_64+0x497/0x820 [ 113.667224] ? syscall_return_slowpath+0x5e0/0x5e0 [ 113.672140] ? syscall_return_slowpath+0x31d/0x5e0 [ 113.677070] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 113.682091] ? prepare_exit_to_usermode+0x291/0x3b0 [ 113.687101] ? page_fault+0x8/0x30 [ 113.690628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 113.695483] ? page_fault+0x8/0x30 [ 113.699372] page_fault+0x1e/0x30 [ 113.702835] RIP: 0033:0x40e33f [ 113.706027] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 113.724922] RSP: 002b:00007ffcfd6069b0 EFLAGS: 00010206 [ 113.730289] RAX: 00007efd08fb9000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 113.737558] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 113.744821] RBP: 00007ffcfd606a90 R08: ffffffffffffffff R09: 0000000000000000 [ 113.752098] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcfd606b80 [ 113.759363] R13: 00007efd08fd9700 R14: 0000000000000005 R15: 0000000000000001 [ 113.766756] Task in /ile0 killed as a result of limit of /ile0 [ 113.772802] memory: usage 516kB, limit 0kB, failcnt 30724 [ 113.778384] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 113.785165] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 113.791346] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 113.810807] Tasks state (memory values in pages): [ 113.815682] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 113.824587] [ 7226] 0 7226 9426 536 61440 0 0 syz-executor4 [ 113.833790] [ 7229] 0 7229 9426 0 61440 0 0 syz-executor1 [ 113.843086] [ 7230] 0 7230 9426 535 65536 0 0 syz-executor5 [ 113.852168] [ 7239] 0 7239 9426 0 61440 0 0 syz-executor3 [ 113.861226] [ 7240] 0 7240 9426 534 65536 0 0 syz-executor7 [ 113.870302] [ 7241] 0 7241 9426 0 57344 0 0 syz-executor2 [ 113.879376] [ 7242] 0 7242 9426 535 61440 0 0 syz-executor0 [ 113.888428] Memory cgroup out of memory: Kill process 7226 (syz-executor4) score 551000 or sacrifice child [ 113.898276] Killed process 7226 (syz-executor4) total-vm:37704kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 113.910019] oom_reaper: reaped process 7226 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 113.919953] syz-executor2 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 113.931828] syz-executor2 cpuset=/ mems_allowed=0 [ 113.936791] CPU: 0 PID: 7241 Comm: syz-executor2 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 113.945103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.954461] Call Trace: [ 113.957066] dump_stack+0x1c9/0x2b4 [ 113.960686] ? dump_stack_print_info.cold.2+0x52/0x52 [ 113.965867] ? trace_hardirqs_on+0x10/0x10 [ 113.970103] dump_header+0x27b/0xf70 [ 113.973827] ? trace_hardirqs_on+0x10/0x10 [ 113.978051] ? __switch_to_asm+0x40/0x70 [ 113.982099] ? pagefault_out_of_memory+0x197/0x197 [ 113.987013] ? __switch_to_asm+0x40/0x70 [ 113.991057] ? __switch_to_asm+0x34/0x70 [ 113.995101] ? __switch_to_asm+0x40/0x70 [ 113.999281] ? __switch_to_asm+0x34/0x70 [ 114.003359] ? __switch_to_asm+0x40/0x70 [ 114.007411] ? __switch_to_asm+0x34/0x70 [ 114.011458] ? __switch_to_asm+0x40/0x70 [ 114.015513] ? trace_hardirqs_on+0x10/0x10 [ 114.019733] ? __schedule+0x884/0x1ec0 [ 114.023616] ? finish_task_switch+0x1d3/0x870 [ 114.028100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 114.033625] ? css_next_child+0x1c3/0x620 [ 114.037759] ? find_lock_task_mm+0x230/0x4d0 [ 114.042154] ? cgroup_get_tree+0xb20/0xb20 [ 114.046372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 114.051891] ? task_will_free_mem+0x239/0xb70 [ 114.056390] ? lock_downgrade+0x8f0/0x8f0 [ 114.060539] ? ___ratelimit+0x36f/0x655 [ 114.064517] ? lock_downgrade+0x8f0/0x8f0 [ 114.068655] ? kasan_check_read+0x11/0x20 [ 114.072797] ? do_raw_spin_unlock+0xa7/0x2f0 [ 114.077194] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 114.081768] ? do_raw_spin_lock+0x200/0x200 [ 114.086074] ? oom_kill_process+0x258/0x290 [ 114.090385] ? lock_downgrade+0x8f0/0x8f0 [ 114.094534] ? trace_hardirqs_on+0xd/0x10 [ 114.098672] ? ___ratelimit+0xaa/0x655 [ 114.102542] ? idr_get_free+0x10d0/0x10d0 [ 114.106674] ? kasan_check_write+0x14/0x20 [ 114.110907] ? do_raw_spin_lock+0xc1/0x200 [ 114.115132] oom_kill_process.cold.28+0x10/0x95a [ 114.119877] ? kasan_check_write+0x14/0x20 [ 114.124103] ? do_raw_spin_lock+0xc1/0x200 [ 114.128328] ? trace_hardirqs_on+0xd/0x10 [ 114.132472] ? oom_evaluate_task+0x540/0x540 [ 114.136870] ? cgroup_procs_next+0x70/0x70 [ 114.141089] ? trace_hardirqs_on+0xd/0x10 [ 114.145226] ? _raw_spin_unlock_irq+0x27/0x70 [ 114.149719] ? oom_badness+0xb00/0xb00 [ 114.153610] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 114.158362] ? mem_cgroup_iter_break+0x30/0x30 [ 114.162937] ? shrink_node+0x16a0/0x16a0 [ 114.166989] ? lock_acquire+0x1e4/0x540 [ 114.170962] ? cgroup_file_notify+0x226/0x2f0 [ 114.175466] out_of_memory+0xa8a/0x14d0 [ 114.179433] ? kasan_check_read+0x11/0x20 [ 114.183574] ? oom_killer_disable+0x3a0/0x3a0 [ 114.188052] ? kasan_check_write+0x14/0x20 [ 114.192293] ? do_raw_spin_lock+0xc1/0x200 [ 114.196519] mem_cgroup_out_of_memory+0x15e/0x210 [ 114.201354] ? memcg_memory_event+0x40/0x40 [ 114.205692] ? page_counter_try_charge+0x1c7/0x220 [ 114.210622] try_charge+0x720/0x1680 [ 114.214346] ? lock_acquire+0x1e4/0x540 [ 114.218320] ? fs_reclaim_acquire+0x20/0x20 [ 114.222646] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 114.229418] ? rcu_note_context_switch+0x730/0x730 [ 114.234355] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 114.239292] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 114.244302] memcg_kmem_charge_memcg+0x7c/0x120 [ 114.248968] ? memcg_kmem_put_cache+0xb0/0xb0 [ 114.253450] ? __free_pages+0x10a/0x190 [ 114.257410] cache_grow_begin+0x207/0x710 [ 114.261545] ? do_raw_spin_unlock+0xa7/0x2f0 [ 114.265942] fallback_alloc+0x203/0x2c0 [ 114.269914] ____cache_alloc_node+0x1c7/0x1e0 [ 114.274399] kmem_cache_alloc+0x1e5/0x760 [ 114.278544] __anon_vma_prepare+0xc4/0x720 [ 114.282767] ? anon_vma_fork+0x960/0x960 [ 114.286817] ? pmd_val+0x88/0x100 [ 114.290262] ? add_mm_counter_fast+0xd0/0xd0 [ 114.294670] ? pmd_val+0x88/0x100 [ 114.298111] ? add_mm_counter_fast+0xd0/0xd0 [ 114.302514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 114.308040] __handle_mm_fault+0x3556/0x4470 [ 114.312445] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 114.317273] ? cap_mmap_addr+0x52/0x130 [ 114.321245] ? userfaultfd_unmap_complete+0x32a/0x510 [ 114.326432] ? security_mmap_addr+0x80/0xa0 [ 114.330749] ? lock_acquire+0x1e4/0x540 [ 114.334708] ? handle_mm_fault+0x417/0xc80 [ 114.338928] ? lock_downgrade+0x8f0/0x8f0 [ 114.343061] ? lock_release+0xa30/0xa30 [ 114.347020] ? lock_release+0xa30/0xa30 [ 114.350992] ? down_read_killable+0x200/0x200 [ 114.355470] ? mem_cgroup_from_task+0xcb/0x1f0 [ 114.360047] ? get_mctgt_type+0xde0/0xde0 [ 114.364188] handle_mm_fault+0x53e/0xc80 [ 114.368236] ? __handle_mm_fault+0x4470/0x4470 [ 114.372803] ? find_vma+0x34/0x190 [ 114.376337] __do_page_fault+0x620/0xe50 [ 114.380408] ? mm_fault_error+0x380/0x380 [ 114.384544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 114.390069] ? __x64_sys_clock_gettime+0x170/0x250 [ 114.394984] ? __ia32_sys_clock_settime+0x290/0x290 [ 114.399995] do_page_fault+0xf6/0x8c0 [ 114.403790] ? vmalloc_sync_all+0x30/0x30 [ 114.407950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 114.413485] ? do_syscall_64+0x497/0x820 [ 114.417545] ? syscall_return_slowpath+0x5e0/0x5e0 [ 114.422459] ? syscall_return_slowpath+0x31d/0x5e0 [ 114.427375] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 114.432376] ? prepare_exit_to_usermode+0x291/0x3b0 [ 114.437383] ? page_fault+0x8/0x30 [ 114.440916] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 114.445741] ? page_fault+0x8/0x30 [ 114.449270] page_fault+0x1e/0x30 [ 114.452709] RIP: 0033:0x40e33f [ 114.455890] Code: Bad RIP value. [ 114.459236] RSP: 002b:00007fffa8170910 EFLAGS: 00010206 [ 114.464595] RAX: 00007fb8ae768000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 114.471851] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 114.479111] RBP: 00007fffa81709f0 R08: ffffffffffffffff R09: 0000000000000000 [ 114.486373] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffa8170ae0 [ 114.493635] R13: 00007fb8ae788700 R14: 0000000000000005 R15: 0000000000000001 [ 114.501278] Task in /ile0 killed as a result of limit of /ile0 [ 114.507407] memory: usage 516kB, limit 0kB, failcnt 30730 [ 114.512962] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 114.519732] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 114.525898] Memory cgroup stats for /ile0: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB [ 114.545354] Tasks state (memory values in pages): [ 114.550222] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 114.559096] [ 7226] 0 7226 9426 0 57344 0 0 syz-executor4 [ 114.568154] [ 7229] 0 7229 9426 0 61440 0 0 syz-executor1 [ 114.577243] [ 7230] 0 7230 9426 535 65536 0 0 syz-executor5 [ 114.586904] [ 7239] 0 7239 9426 0 61440 0 0 syz-executor3 2018/08/05 10:45:35 executed programs: 177 [ 114.595973] [ 7240] 0 7240 9426 534 65536 0 0 syz-executor7 [ 114.605024] [ 7241] 0 7241 9426 0 57344 0 0 syz-executor2 [ 114.614073] [ 7242] 0 7242 9426 535 61440 0 0 syz-executor0 [ 114.623120] Memory cgroup out of memory: Kill process 7230 (syz-executor5) score 551000 or sacrifice child [ 114.632952] Killed process 7230 (syz-executor5) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 114.644082] oom_reaper: reaped process 7230 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 114.657497] oom_reaper: reaped process 7240 (syz-executor7), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 114.660910] ------------[ cut here ]------------ [ 114.667918] ------------[ cut here ]------------ [ 114.672162] Memory cgroup charge failed because of no reclaimable memory! This looks like a misconfiguration or a kernel bug. [ 114.672291] WARNING: CPU: 1 PID: 7234 at mm/memcontrol.c:1705 try_charge+0x734/0x1680 [ 114.677078] Memory cgroup charge failed because of no reclaimable memory! This looks like a misconfiguration or a kernel bug. [ 114.688497] Kernel panic - not syncing: panic_on_warn set ... [ 114.688497] [ 114.688511] CPU: 1 PID: 7234 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 114.688523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.696608] WARNING: CPU: 0 PID: 7226 at mm/memcontrol.c:1705 try_charge+0x734/0x1680 [ 114.707896] Call Trace: [ 114.715235] Modules linked in: [ 114.723558] dump_stack+0x1c9/0x2b4 [ 114.740922] ? dump_stack_print_info.cold.2+0x52/0x52 [ 114.743487] CPU: 0 PID: 7226 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #1 [ 114.746658] panic+0x238/0x4e7 [ 114.750251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.755436] ? add_taint.cold.5+0x16/0x16 [ 114.763727] RIP: 0010:try_charge+0x734/0x1680 [ 114.766912] ? __warn.cold.8+0x148/0x1ba [ 114.776248] Code: 85 b8 04 00 00 8b b5 c8 fd ff ff 44 89 f2 4c 89 ff e8 f0 51 ff ff 84 c0 0f 85 31 08 00 00 48 c7 c7 60 17 13 87 e8 3c fe 85 ff <0f> 0b 48 8d 95 f8 fd ff ff 48 8b b5 c0 fd ff ff 48 b8 00 00 00 00 [ 114.780375] ? __warn.cold.8+0x117/0x1ba [ 114.784844] RSP: 0018:ffff8801b75af580 EFLAGS: 00010286 [ 114.788899] ? try_charge+0x734/0x1680 [ 114.811836] __warn.cold.8+0x163/0x1ba [ 114.817169] RAX: 0000000000000000 RBX: ffff8801b314cbc0 RCX: 0000000000000000 [ 114.821037] ? try_charge+0x734/0x1680 [ 114.824899] RDX: 0000000000000000 RSI: ffffffff816366f1 RDI: ffff8801b75af270 [ 114.832153] report_bug+0x252/0x2d0 [ 114.836016] RBP: ffff8801b75af810 R08: ffff8801ca6a6340 R09: fffffbfff0ff11fc [ 114.843276] do_error_trap+0x1fc/0x4d0 [ 114.846877] R10: fffffbfff0ff11fc R11: ffffffff87f88fe3 R12: dffffc0000000000 [ 114.854136] ? out_of_memory+0x54a/0x14d0 [ 114.858005] R13: ffff8801b75af7e8 R14: 0000000000000000 R15: ffff8801b314cbc0 [ 114.865261] ? math_error+0x3e0/0x3e0 [ 114.869385] FS: 0000000002536940(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 114.876648] ? vprintk_default+0x28/0x30 [ 114.880429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.888643] ? printk+0xa7/0xcf [ 114.892685] CR2: 00007fff823fde6c CR3: 00000001bdf9f000 CR4: 00000000001406f0 [ 114.898564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 114.901814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 114.909071] do_invalid_op+0x1b/0x20 [ 114.913887] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 114.921144] invalid_op+0x14/0x20 [ 114.924824] Call Trace: [ 114.932108] RIP: 0010:try_charge+0x734/0x1680 [ 114.935541] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 114.938103] Code: 85 b8 04 00 00 8b b5 c8 fd ff ff 44 89 f2 4c 89 ff e8 f0 51 ff ff 84 c0 0f 85 31 08 00 00 48 c7 c7 60 17 13 87 e8 3c fe 85 ff <0f> 0b 48 8d 95 f8 fd ff ff 48 8b b5 c0 fd ff ff 48 b8 00 00 00 00 [ 114.942586] ? lock_downgrade+0x8f0/0x8f0 [ 114.949310] RSP: 0018:ffff8801a9107620 EFLAGS: 00010286 [ 114.968204] ? lock_release+0xa30/0xa30 [ 114.977674] ? __anon_vma_prepare+0xc4/0x720 [ 114.981620] RAX: 0000000000000000 RBX: ffff8801b314cbc0 RCX: 0000000000000000 [ 114.986011] ? handle_mm_fault+0x53e/0xc80 [ 114.993255] RDX: 0000000000000000 RSI: ffffffff816366f1 RDI: ffff8801a9107310 [ 114.993266] RBP: ffff8801a91078b0 R08: ffff8801cab64340 R09: fffffbfff0ff11fc [ 114.997494] ? fs_reclaim_acquire+0x20/0x20 [ 115.004744] R10: fffffbfff0ff11fc R11: ffffffff87f88fe3 R12: dffffc0000000000 [ 115.004756] R13: ffff8801a9107888 R14: 0000000000000000 R15: ffff8801b314cbc0 [ 115.012028] ? lock_downgrade+0x8f0/0x8f0 [ 115.016330] ? vprintk_func+0x81/0x117 [ 115.023582] ? percpu_ref_put_many+0x119/0x240 [ 115.030837] ? lock_acquire+0x1e4/0x540 [ 115.034965] ? get_mem_cgroup_from_mm+0x209/0x440 [ 115.038833] ? fs_reclaim_acquire+0x20/0x20 [ 115.043395] ? get_mem_cgroup_from_page+0x190/0x190 [ 115.047350] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 115.052177] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 115.056479] ? rcu_note_context_switch+0x730/0x730 [ 115.061493] ? lock_acquire+0x1e4/0x540 [ 115.068242] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 115.073066] mem_cgroup_try_charge+0x4ff/0xa70 [ 115.077977] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 115.081929] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 115.086765] memcg_kmem_charge_memcg+0x7c/0x120 [ 115.091325] ? mem_cgroup_protected+0xa60/0xa60 [ 115.096323] ? memcg_kmem_put_cache+0xb0/0xb0 [ 115.101317] ? up_write+0x7b/0x220 [ 115.105982] ? __free_pages+0x10a/0x190 [ 115.110623] ? up_read+0x110/0x110 [ 115.115099] cache_grow_begin+0x207/0x710 [ 115.118618] ? __anon_vma_prepare+0x36d/0x720 [ 115.122567] ? do_raw_spin_unlock+0xa7/0x2f0 [ 115.126088] ? pmd_val+0x88/0x100 [ 115.130220] fallback_alloc+0x203/0x2c0 [ 115.134694] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 115.139078] ____cache_alloc_node+0x1c7/0x1e0 [ 115.142511] mem_cgroup_try_charge_delay+0x1d/0x90 [ 115.146467] kmem_cache_alloc+0x1e5/0x760 [ 115.151986] __handle_mm_fault+0x25be/0x4470 [ 115.156459] ? lock_downgrade+0x8f0/0x8f0 [ 115.161382] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 115.165510] ? shmem_destroy_callback+0xc0/0xc0 [ 115.169907] ? cap_mmap_addr+0x52/0x130 [ 115.174033] shmem_alloc_inode+0x1b/0x40 [ 115.178874] ? userfaultfd_unmap_complete+0x32a/0x510 [ 115.183516] alloc_inode+0x63/0x190 [ 115.187479] ? security_mmap_addr+0x80/0xa0 [ 115.191528] new_inode_pseudo+0x71/0x1a0 [ 115.196712] ? lock_acquire+0x1e4/0x540 [ 115.200318] ? prune_icache_sb+0x1c0/0x1c0 [ 115.204620] ? handle_mm_fault+0x417/0xc80 [ 115.208667] ? _raw_spin_unlock+0x22/0x30 [ 115.212892] ? lock_downgrade+0x8f0/0x8f0 [ 115.217106] new_inode+0x1c/0x40 [ 115.221323] ? lock_release+0xa30/0xa30 [ 115.225450] shmem_get_inode+0xf1/0x910 [ 115.229577] ? lock_release+0xa30/0xa30 [ 115.232940] ? shmem_encode_fh+0x340/0x340 [ 115.236894] ? down_read_killable+0x200/0x200 [ 115.240845] ? lock_downgrade+0x8f0/0x8f0 [ 115.244799] ? mem_cgroup_from_task+0xcb/0x1f0 [ 115.249015] ? lock_release+0xa30/0xa30 [ 115.253488] ? get_mctgt_type+0xde0/0xde0 [ 115.257613] ? check_same_owner+0x340/0x340 [ 115.262181] handle_mm_fault+0x53e/0xc80 [ 115.266136] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 115.270277] ? __handle_mm_fault+0x4470/0x4470 [ 115.274581] ? __check_object_size+0xa3/0x5d7 [ 115.278617] ? find_vma+0x34/0x190 [ 115.283618] __shmem_file_setup.part.48+0x83/0x2a0 [ 115.288180] __do_page_fault+0x620/0xe50 [ 115.292679] shmem_file_setup+0x65/0x90 [ 115.296200] ? mm_fault_error+0x380/0x380 [ 115.301121] __x64_sys_memfd_create+0x2af/0x4f0 [ 115.305165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 115.309114] ? memfd_fcntl+0x1e80/0x1e80 [ 115.313242] ? __x64_sys_clock_gettime+0x170/0x250 [ 115.317894] do_syscall_64+0x1b9/0x820 [ 115.323762] ? __ia32_sys_clock_settime+0x290/0x290 [ 115.327807] ? finish_task_switch+0x1d3/0x870 [ 115.332719] do_page_fault+0xf6/0x8c0 [ 115.336599] ? syscall_return_slowpath+0x5e0/0x5e0 [ 115.341605] ? vmalloc_sync_all+0x30/0x30 [ 115.346081] ? syscall_return_slowpath+0x31d/0x5e0 [ 115.349877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 115.354881] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 115.359009] ? do_syscall_64+0x497/0x820 [ 115.363919] ? __switch_to_asm+0x34/0x70 [ 115.369449] ? syscall_return_slowpath+0x5e0/0x5e0 [ 115.374454] ? __switch_to_asm+0x34/0x70 [ 115.378501] ? syscall_return_slowpath+0x31d/0x5e0 [ 115.382551] ? __switch_to_asm+0x40/0x70 [ 115.387475] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 115.391898] ? __switch_to_asm+0x34/0x70 [ 115.391913] ? __switch_to_asm+0x40/0x70 [ 115.396844] ? prepare_exit_to_usermode+0x291/0x3b0 [ 115.400887] ? __switch_to_asm+0x34/0x70 [ 115.405900] ? page_fault+0x8/0x30 [ 115.409948] ? __switch_to_asm+0x40/0x70 [ 115.413995] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 115.419001] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 115.423046] ? page_fault+0x8/0x30 [ 115.426570] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 115.430607] page_fault+0x1e/0x30 [ 115.435433] RIP: 0033:0x456b29 [ 115.440259] RIP: 0033:0x40e33f [ 115.444050] Code: Bad RIP value. [ 115.449211] Code: Bad RIP value. [ 115.452662] RSP: 002b:00007f834cd28a88 EFLAGS: 00000246 [ 115.455852] RSP: 002b:00007ffcc7fddb40 EFLAGS: 00010206 [ 115.459029] ORIG_RAX: 000000000000013f [ 115.462376] RAX: 00007f834cce8000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 115.465720] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 115.471069] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 115.476407] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 115.476418] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 115.480370] RBP: 00007ffcc7fddc20 R08: ffffffffffffffff R09: 0000000000000000 [ 115.487617] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 115.487628] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 115.494891] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcc7fddd10 [ 115.545685] R13: 00007f834cd08700 R14: 0000000000000005 R15: 0000000000000001 [ 115.553908] irq event stamp: 0 [ 115.557098] hardirqs last enabled at (0): [<0000000000000000>] (null) [ 115.564649] hardirqs last disabled at (0): [] copy_process.part.37+0x1911/0x7240 [ 115.573738] softirqs last enabled at (0): [] copy_process.part.37+0x19b2/0x7240 [ 115.582818] softirqs last disabled at (0): [<0000000000000000>] (null) [ 115.590425] ---[ end trace 8d6df9603229bf90 ]--- [ 115.595800] Dumping ftrace buffer: [ 115.599345] (ftrace buffer empty) [ 115.603037] Kernel Offset: disabled [ 115.606648] Rebooting in 86400 seconds..