[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 17.372485] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 23.744613] random: sshd: uninitialized urandom read (32 bytes read) [ 24.149932] random: sshd: uninitialized urandom read (32 bytes read) [ 24.576950] random: sshd: uninitialized urandom read (32 bytes read) [ 102.195942] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.36' (ECDSA) to the list of known hosts. [ 107.615406] random: sshd: uninitialized urandom read (32 bytes read) 2018/08/05 08:04:51 parsed 1 programs [ 108.676045] random: cc1: uninitialized urandom read (8 bytes read) 2018/08/05 08:04:52 executed programs: 0 [ 109.702131] IPVS: ftp: loaded support on port[0] = 21 [ 109.705948] IPVS: ftp: loaded support on port[0] = 21 [ 109.717167] IPVS: ftp: loaded support on port[0] = 21 [ 109.718042] IPVS: ftp: loaded support on port[0] = 21 [ 109.731196] IPVS: ftp: loaded support on port[0] = 21 [ 109.731726] IPVS: ftp: loaded support on port[0] = 21 [ 109.748404] IPVS: ftp: loaded support on port[0] = 21 [ 109.752853] IPVS: ftp: loaded support on port[0] = 21 [ 110.312230] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.318601] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.331511] device bridge_slave_0 entered promiscuous mode [ 110.346136] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.352505] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.361500] device bridge_slave_1 entered promiscuous mode [ 110.377138] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.383507] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.392504] device bridge_slave_0 entered promiscuous mode [ 110.414550] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.420952] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.432459] device bridge_slave_0 entered promiscuous mode [ 110.439586] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 110.451889] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.458256] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.466770] device bridge_slave_0 entered promiscuous mode [ 110.478211] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.484549] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.491493] device bridge_slave_0 entered promiscuous mode [ 110.499640] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.506013] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.513677] device bridge_slave_0 entered promiscuous mode [ 110.520930] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.528174] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.534538] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.543559] device bridge_slave_1 entered promiscuous mode [ 110.549720] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.556082] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.563020] device bridge_slave_0 entered promiscuous mode [ 110.569917] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.576258] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.582998] device bridge_slave_1 entered promiscuous mode [ 110.588961] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.595312] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.602682] device bridge_slave_1 entered promiscuous mode [ 110.609715] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.616081] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.622898] device bridge_slave_1 entered promiscuous mode [ 110.631974] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 110.639667] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.646057] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.653100] device bridge_slave_1 entered promiscuous mode [ 110.659331] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.665660] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.673810] device bridge_slave_0 entered promiscuous mode [ 110.680806] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 110.688857] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 110.696865] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.704526] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.711025] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.719732] device bridge_slave_1 entered promiscuous mode [ 110.727576] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.734572] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.740923] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.747722] device bridge_slave_1 entered promiscuous mode [ 110.756389] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 110.764401] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 110.772530] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.788417] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 110.796242] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 110.807895] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.815925] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.836582] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 110.845327] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.863615] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.872981] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 110.881607] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 110.908637] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 110.926896] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 110.943395] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 110.956187] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 110.965053] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 110.978738] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 110.988165] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 111.011078] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 111.021138] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 111.034778] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 111.051992] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 111.073350] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 111.090691] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 111.140602] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 111.150047] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 111.156920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 111.165169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 111.181697] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 111.195868] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 111.205870] team0: Port device team_slave_0 added [ 111.222738] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 111.229987] team0: Port device team_slave_0 added [ 111.235588] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 111.246183] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 111.253819] team0: Port device team_slave_0 added [ 111.260440] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 111.267534] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 111.281879] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 111.297919] team0: Port device team_slave_0 added [ 111.303322] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 111.310187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 111.320244] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.327886] team0: Port device team_slave_1 added [ 111.337006] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 111.347034] team0: Port device team_slave_0 added [ 111.358894] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.369139] team0: Port device team_slave_1 added [ 111.375299] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.386849] team0: Port device team_slave_1 added [ 111.404060] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 111.412660] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.421375] team0: Port device team_slave_1 added [ 111.429694] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 111.438270] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 111.445983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 111.456637] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 111.466624] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 111.474376] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 111.481752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 111.489396] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 111.498474] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.505722] team0: Port device team_slave_1 added [ 111.511168] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 111.518452] team0: Port device team_slave_0 added [ 111.525536] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 111.532710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 111.541137] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.553938] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 111.568256] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 111.582140] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 111.594928] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.606568] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 111.620929] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 111.630728] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 111.638441] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 111.645819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 111.653501] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.660925] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.670589] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 111.678655] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 111.687586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 111.701050] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 111.708939] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 111.717153] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.724930] team0: Port device team_slave_1 added [ 111.732133] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 111.744103] team0: Port device team_slave_0 added [ 111.749968] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.758396] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 111.768842] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 111.776460] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 111.784177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 111.793754] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 111.801324] team0: Port device team_slave_0 added [ 111.808640] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 111.819544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 111.827688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 111.840139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 111.847862] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 111.855122] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 111.863985] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 111.872046] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 111.881062] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.888357] team0: Port device team_slave_1 added [ 111.894884] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 111.904278] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 111.918582] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 111.930754] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 111.942608] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 111.950477] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 111.958391] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 111.966049] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 111.974103] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.981300] team0: Port device team_slave_1 added [ 111.987163] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 112.004053] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 112.013961] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 112.038593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 112.056603] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 112.064366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 112.072083] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 112.079889] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 112.093355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 112.117406] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 112.125425] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 112.141143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 112.153319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 112.173236] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 112.183556] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 112.199998] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 112.212079] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 112.220998] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 112.228667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 112.242626] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 112.251341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 112.260949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 112.283952] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 112.291392] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 112.299920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 112.323933] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 112.331088] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 112.346088] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 112.366629] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 112.374320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 112.387719] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 112.641226] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.647648] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.654336] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.660720] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.669494] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 112.684060] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.690440] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.697082] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.703458] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.714747] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 112.754892] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.761309] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.767954] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.774332] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.783883] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 112.804551] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.810954] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.817613] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.823983] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.848842] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 112.923246] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.929655] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.936346] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.942716] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.960265] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 112.993344] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.999759] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.006414] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.012787] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.025068] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 113.081741] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.088143] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.094782] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.101161] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.113001] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 113.127726] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.134111] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.140778] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.147149] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.155767] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 113.204587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 113.216030] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 113.230998] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 113.238087] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 113.245513] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 113.252683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 113.259932] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 113.267251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 115.021576] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.043445] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.192920] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.221542] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.244049] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.261569] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.281539] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.355018] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.383567] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.398741] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.410831] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.466755] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.479086] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 115.485775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.494031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 115.509307] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 115.517243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.538749] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 115.548815] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.606246] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.625075] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.653695] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.670674] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 115.683272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.696846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 115.717099] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 115.723908] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.736993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 115.755650] 8021q: adding VLAN 0 to HW filter on device team0 [ 115.767828] 8021q: adding VLAN 0 to HW filter on device team0 [ 115.794780] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 115.801653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.816617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 115.842189] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 115.857130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.868666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 115.912744] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 115.919114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.928788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 115.942435] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 115.951298] 8021q: adding VLAN 0 to HW filter on device team0 [ 115.969052] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.977494] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 116.008840] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.020357] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.124133] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.153224] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.167548] 8021q: adding VLAN 0 to HW filter on device team0 2018/08/05 08:05:00 executed programs: 8 [ 117.338862] syz-executor1 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 117.349790] syz-executor1 cpuset=/ mems_allowed=0 [ 117.354700] CPU: 1 PID: 6441 Comm: syz-executor1 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 117.363122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.372474] Call Trace: [ 117.375072] dump_stack+0x1c9/0x2b4 [ 117.378705] ? dump_stack_print_info.cold.2+0x52/0x52 [ 117.383906] ? lock_downgrade+0x8f0/0x8f0 [ 117.388061] dump_header+0x27b/0xf70 [ 117.391783] ? lock_acquire+0x1e4/0x540 [ 117.395768] ? try_to_wake_up+0x10a/0x12a0 [ 117.400013] ? trace_hardirqs_on+0x10/0x10 [ 117.404271] ? pagefault_out_of_memory+0x197/0x197 [ 117.409206] ? kasan_check_read+0x11/0x20 [ 117.413376] ? do_raw_spin_unlock+0xa7/0x2f0 [ 117.417799] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 117.422391] ? trace_hardirqs_on+0x10/0x10 [ 117.426630] ? trace_hardirqs_off+0xd/0x10 [ 117.430882] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 117.436001] ? trace_hardirqs_on+0x10/0x10 [ 117.440260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 117.445809] ? css_next_child+0x1c3/0x620 [ 117.449961] ? find_lock_task_mm+0x230/0x4d0 [ 117.454368] ? cgroup_get_tree+0xb20/0xb20 [ 117.458588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 117.464109] ? task_will_free_mem+0x239/0xb70 [ 117.468590] ? lock_downgrade+0x8f0/0x8f0 [ 117.472719] ? ___ratelimit+0x36f/0x655 [ 117.476684] ? lock_downgrade+0x8f0/0x8f0 [ 117.480834] ? kasan_check_read+0x11/0x20 [ 117.485015] ? do_raw_spin_unlock+0xa7/0x2f0 [ 117.489409] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 117.493979] ? do_raw_spin_lock+0x200/0x200 [ 117.498289] ? oom_kill_process+0x258/0x290 [ 117.502608] ? lock_downgrade+0x8f0/0x8f0 [ 117.506740] ? trace_hardirqs_on+0xd/0x10 [ 117.510883] ? ___ratelimit+0xaa/0x655 [ 117.514783] ? idr_get_free+0x10d0/0x10d0 [ 117.518933] ? kasan_check_write+0x14/0x20 [ 117.523163] ? do_raw_spin_lock+0xc1/0x200 [ 117.527394] oom_kill_process.cold.28+0x10/0x95a [ 117.532149] ? kasan_check_write+0x14/0x20 [ 117.536379] ? do_raw_spin_lock+0xc1/0x200 [ 117.540602] ? trace_hardirqs_on+0xd/0x10 [ 117.544735] ? oom_evaluate_task+0x540/0x540 [ 117.549125] ? cgroup_procs_next+0x70/0x70 [ 117.553356] ? trace_hardirqs_on+0xd/0x10 [ 117.557488] ? _raw_spin_unlock_irq+0x27/0x70 [ 117.561972] ? oom_badness+0xb00/0xb00 [ 117.565870] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 117.570625] ? mem_cgroup_iter_break+0x30/0x30 [ 117.575192] ? shrink_node+0x16a0/0x16a0 [ 117.579270] ? lock_downgrade+0x8f0/0x8f0 [ 117.583414] ? lock_acquire+0x1e4/0x540 [ 117.587380] ? cgroup_file_notify+0x226/0x2f0 [ 117.591871] out_of_memory+0xa8a/0x14d0 [ 117.595843] ? kasan_check_read+0x11/0x20 [ 117.599993] ? oom_killer_disable+0x3a0/0x3a0 [ 117.604475] ? trace_hardirqs_off+0xd/0x10 [ 117.608709] ? trace_hardirqs_on+0xd/0x10 [ 117.612865] mem_cgroup_out_of_memory+0x15e/0x210 [ 117.617726] ? memcg_memory_event+0x40/0x40 [ 117.622042] ? page_counter_memparse+0xb5/0x1e0 [ 117.626695] memory_max_write+0x1b4/0x3f0 [ 117.630833] ? lock_acquire+0x1e4/0x540 [ 117.634789] ? kernfs_fop_write+0x227/0x480 [ 117.639092] ? mem_cgroup_write+0x400/0x400 [ 117.643399] ? lock_acquire+0x1e4/0x540 [ 117.647357] ? __might_fault+0x12b/0x1e0 [ 117.651415] cgroup_file_write+0x31f/0x840 [ 117.655632] ? mem_cgroup_write+0x400/0x400 [ 117.659942] ? cgroup_migrate_add_task+0xcd0/0xcd0 [ 117.664869] ? cgroup_migrate_add_task+0xcd0/0xcd0 [ 117.669786] kernfs_fop_write+0x2ba/0x480 [ 117.673947] __vfs_write+0x117/0x9d0 [ 117.677644] ? kernfs_fop_open+0x1020/0x1020 [ 117.682032] ? kernel_read+0x120/0x120 [ 117.685912] ? lock_release+0xa30/0xa30 [ 117.689880] ? check_same_owner+0x340/0x340 [ 117.694199] ? rcu_note_context_switch+0x730/0x730 [ 117.699144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 117.704681] ? __sb_start_write+0x17f/0x300 [ 117.709010] vfs_write+0x1fc/0x560 [ 117.712555] ksys_write+0x101/0x260 [ 117.716167] ? __ia32_sys_read+0xb0/0xb0 [ 117.720235] ? syscall_slow_exit_work+0x500/0x500 [ 117.725081] __x64_sys_write+0x73/0xb0 [ 117.728954] do_syscall_64+0x1b9/0x820 [ 117.732822] ? finish_task_switch+0x1d3/0x870 [ 117.737297] ? syscall_return_slowpath+0x5e0/0x5e0 [ 117.742216] ? syscall_return_slowpath+0x31d/0x5e0 [ 117.747154] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 117.752152] ? __switch_to_asm+0x34/0x70 [ 117.756212] ? __switch_to_asm+0x34/0x70 [ 117.760268] ? __switch_to_asm+0x40/0x70 [ 117.764312] ? __switch_to_asm+0x34/0x70 [ 117.768355] ? __switch_to_asm+0x40/0x70 [ 117.772395] ? __switch_to_asm+0x34/0x70 [ 117.776435] ? __switch_to_asm+0x40/0x70 [ 117.780479] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 117.785316] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.790489] RIP: 0033:0x456b29 [ 117.793675] 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 [ 117.812562] RSP: 002b:00007f4966addc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 117.820279] RAX: ffffffffffffffda RBX: 00007f4966ade6d4 RCX: 0000000000456b29 [ 117.827541] RDX: 0000000000000012 RSI: 00000000200000c0 RDI: 0000000000000008 [ 117.834792] RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000 [ 117.842041] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 117.849299] R13: 00000000004d6a40 R14: 00000000004c9db6 R15: 0000000000000001 [ 117.884527] Task in /ile0 killed as a result of limit of /ile0 [ 117.890593] memory: usage 84kB, limit 0kB, failcnt 40 [ 117.895808] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 117.902593] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 117.908754] 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:4KB active_file:0KB unevictable:0KB [ 117.928218] Tasks state (memory values in pages): [ 117.933108] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 117.941939] [ 6441] 0 6427 9426 733 61440 0 0 syz-executor1 [ 117.951002] [ 6449] 0 6449 9393 535 65536 0 0 syz-executor5 [ 117.960037] [ 6450] 0 6450 9427 533 61440 0 0 syz-executor0 [ 117.969071] Memory cgroup out of memory: Kill process 6427 (syz-executor1) score 550000 or sacrifice child [ 117.978930] Killed process 6441 (syz-executor1) total-vm:37704kB, anon-rss:2160kB, file-rss:772kB, shmem-rss:0kB [ 117.990085] oom_reaper: reaped process 6441 (syz-executor1), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 117.995894] syz-executor0 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 118.010834] syz-executor0 cpuset=/ mems_allowed=0 [ 118.015712] CPU: 1 PID: 6450 Comm: syz-executor0 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 118.024111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.033454] Call Trace: [ 118.036037] dump_stack+0x1c9/0x2b4 [ 118.039648] ? dump_stack_print_info.cold.2+0x52/0x52 [ 118.044823] ? trace_hardirqs_on+0x10/0x10 [ 118.049052] dump_header+0x27b/0xf70 [ 118.052762] ? trace_hardirqs_on+0x10/0x10 [ 118.057008] ? finish_task_switch+0x1d3/0x870 [ 118.061495] ? pagefault_out_of_memory+0x197/0x197 [ 118.066410] ? __switch_to_asm+0x40/0x70 [ 118.070452] ? __switch_to_asm+0x34/0x70 [ 118.074507] ? __switch_to_asm+0x40/0x70 [ 118.078552] ? __switch_to_asm+0x34/0x70 [ 118.082595] ? __switch_to_asm+0x40/0x70 [ 118.086636] ? __switch_to_asm+0x34/0x70 [ 118.090680] ? __switch_to_asm+0x40/0x70 [ 118.094726] ? trace_hardirqs_on+0x10/0x10 [ 118.098959] ? __schedule+0x884/0x1ec0 [ 118.102855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 118.108390] ? css_next_child+0x1c3/0x620 [ 118.112524] ? find_lock_task_mm+0x230/0x4d0 [ 118.116932] ? cgroup_get_tree+0xb20/0xb20 [ 118.121163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 118.126682] ? task_will_free_mem+0x239/0xb70 [ 118.131162] ? lock_downgrade+0x8f0/0x8f0 [ 118.135294] ? ___ratelimit+0x36f/0x655 [ 118.139255] ? lock_downgrade+0x8f0/0x8f0 [ 118.143395] ? kasan_check_read+0x11/0x20 [ 118.147537] ? do_raw_spin_unlock+0xa7/0x2f0 [ 118.151926] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 118.156490] ? do_raw_spin_lock+0x200/0x200 [ 118.160808] ? oom_kill_process+0x258/0x290 [ 118.165114] ? lock_downgrade+0x8f0/0x8f0 [ 118.169250] ? trace_hardirqs_on+0xd/0x10 [ 118.173383] ? ___ratelimit+0xaa/0x655 [ 118.177262] ? idr_get_free+0x10d0/0x10d0 [ 118.181391] ? kasan_check_write+0x14/0x20 [ 118.185608] ? do_raw_spin_lock+0xc1/0x200 [ 118.189839] oom_kill_process.cold.28+0x10/0x95a [ 118.194578] ? kasan_check_write+0x14/0x20 [ 118.198796] ? do_raw_spin_lock+0xc1/0x200 [ 118.203395] ? trace_hardirqs_on+0xd/0x10 [ 118.207525] ? oom_evaluate_task+0x540/0x540 [ 118.211914] ? cgroup_procs_next+0x70/0x70 [ 118.216134] ? trace_hardirqs_on+0xd/0x10 [ 118.220270] ? _raw_spin_unlock_irq+0x27/0x70 [ 118.224747] ? oom_badness+0xb00/0xb00 [ 118.228638] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 118.233377] ? mem_cgroup_iter_break+0x30/0x30 [ 118.237941] ? shrink_node+0x16a0/0x16a0 [ 118.241987] ? lock_acquire+0x1e4/0x540 [ 118.245946] ? cgroup_file_notify+0x226/0x2f0 [ 118.250424] out_of_memory+0xa8a/0x14d0 [ 118.254382] ? kasan_check_read+0x11/0x20 [ 118.258512] ? oom_killer_disable+0x3a0/0x3a0 [ 118.262989] ? kasan_check_write+0x14/0x20 [ 118.267213] ? do_raw_spin_lock+0xc1/0x200 [ 118.271456] mem_cgroup_out_of_memory+0x15e/0x210 [ 118.276290] ? memcg_memory_event+0x40/0x40 [ 118.280594] ? page_counter_try_charge+0x1c7/0x220 [ 118.285515] try_charge+0x720/0x1680 [ 118.289227] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 118.295971] ? lock_downgrade+0x8f0/0x8f0 [ 118.300106] ? lock_release+0xa30/0xa30 [ 118.304070] ? __anon_vma_prepare+0xc4/0x720 [ 118.308467] ? handle_mm_fault+0x53e/0xc80 [ 118.312687] ? fs_reclaim_acquire+0x20/0x20 [ 118.316994] ? lock_downgrade+0x8f0/0x8f0 [ 118.321129] ? get_mem_cgroup_from_mm+0x209/0x440 [ 118.325964] ? get_mem_cgroup_from_page+0x190/0x190 [ 118.330987] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 118.335824] ? lock_acquire+0x1e4/0x540 [ 118.339793] mem_cgroup_try_charge+0x4ff/0xa70 [ 118.344361] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 118.349358] ? mem_cgroup_protected+0xa60/0xa60 [ 118.354012] ? up_write+0x7b/0x220 [ 118.357532] ? up_read+0x110/0x110 [ 118.361069] ? __anon_vma_prepare+0x36d/0x720 [ 118.365548] ? pmd_val+0x88/0x100 [ 118.368993] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 118.374544] mem_cgroup_try_charge_delay+0x1d/0x90 [ 118.379476] __handle_mm_fault+0x25be/0x4470 [ 118.383882] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 118.388705] ? cap_mmap_addr+0x52/0x130 [ 118.392665] ? userfaultfd_unmap_complete+0x32a/0x510 [ 118.397836] ? security_mmap_addr+0x80/0xa0 [ 118.402146] ? lock_acquire+0x1e4/0x540 [ 118.406101] ? handle_mm_fault+0x417/0xc80 [ 118.410318] ? lock_downgrade+0x8f0/0x8f0 [ 118.414460] ? lock_release+0xa30/0xa30 [ 118.418423] ? lock_release+0xa30/0xa30 [ 118.422388] ? down_read_killable+0x200/0x200 [ 118.426886] ? mem_cgroup_from_task+0xcb/0x1f0 [ 118.431474] ? get_mctgt_type+0xde0/0xde0 [ 118.435607] handle_mm_fault+0x53e/0xc80 [ 118.439653] ? __handle_mm_fault+0x4470/0x4470 [ 118.444228] ? find_vma+0x34/0x190 [ 118.447760] __do_page_fault+0x620/0xe50 [ 118.451819] ? mm_fault_error+0x380/0x380 [ 118.455974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 118.461508] ? __x64_sys_clock_gettime+0x170/0x250 [ 118.466433] ? __ia32_sys_clock_settime+0x290/0x290 [ 118.471431] do_page_fault+0xf6/0x8c0 [ 118.475225] ? vmalloc_sync_all+0x30/0x30 [ 118.479366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 118.484887] ? do_syscall_64+0x497/0x820 [ 118.488943] ? syscall_return_slowpath+0x5e0/0x5e0 [ 118.493866] ? syscall_return_slowpath+0x31d/0x5e0 [ 118.498783] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 118.503800] ? prepare_exit_to_usermode+0x291/0x3b0 [ 118.508799] ? page_fault+0x8/0x30 [ 118.512322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 118.517146] ? page_fault+0x8/0x30 [ 118.520672] page_fault+0x1e/0x30 [ 118.524113] RIP: 0033:0x40e33f [ 118.527303] 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 [ 118.546196] RSP: 002b:00007fffab126a80 EFLAGS: 00010206 [ 118.551567] RAX: 00007fea36c9e000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 118.558835] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 118.566098] RBP: 00007fffab126b60 R08: ffffffffffffffff R09: 0000000000000000 [ 118.573350] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffab126c50 [ 118.580600] R13: 00007fea36cbe700 R14: 0000000000000005 R15: 0000000000000001 [ 118.591082] Task in /ile0 killed as a result of limit of /ile0 [ 118.597117] memory: usage 84kB, limit 0kB, failcnt 40 [ 118.602336] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 118.609101] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 118.615275] 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:4KB active_file:0KB unevictable:0KB [ 118.634735] Tasks state (memory values in pages): [ 118.639596] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 118.648485] [ 6449] 0 6449 9393 535 65536 0 0 syz-executor5 [ 118.657520] [ 6450] 0 6450 9427 533 61440 0 0 syz-executor0 [ 118.666557] Memory cgroup out of memory: Kill process 6449 (syz-executor5) score 551000 or sacrifice child [ 118.676389] Killed process 6449 (syz-executor5) total-vm:37572kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 118.726405] syz-executor0 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 118.737290] syz-executor0 cpuset=/ mems_allowed=0 [ 118.742188] CPU: 0 PID: 6450 Comm: syz-executor0 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 118.750598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.759948] Call Trace: [ 118.762547] dump_stack+0x1c9/0x2b4 [ 118.766188] ? dump_stack_print_info.cold.2+0x52/0x52 [ 118.771400] ? trace_hardirqs_on+0x10/0x10 [ 118.775645] dump_header+0x27b/0xf70 [ 118.779375] ? pagefault_out_of_memory+0x197/0x197 [ 118.784307] ? do_raw_spin_unlock+0xa7/0x2f0 [ 118.788719] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 118.793318] ? compat_start_thread+0x80/0x80 [ 118.797733] ? trace_hardirqs_on+0x10/0x10 [ 118.801984] ? kasan_check_write+0x14/0x20 [ 118.806227] ? finish_task_switch+0x2ca/0x870 [ 118.810750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 118.816283] ? css_next_child+0x1c3/0x620 [ 118.820427] ? find_lock_task_mm+0x230/0x4d0 [ 118.824836] ? cgroup_get_tree+0xb20/0xb20 [ 118.829081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 118.834609] ? task_will_free_mem+0x239/0xb70 [ 118.839094] ? lock_downgrade+0x8f0/0x8f0 [ 118.843231] ? ___ratelimit+0x36f/0x655 [ 118.847199] ? lock_downgrade+0x8f0/0x8f0 [ 118.851343] ? kasan_check_read+0x11/0x20 [ 118.855473] ? do_raw_spin_unlock+0xa7/0x2f0 [ 118.859867] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 118.864440] ? do_raw_spin_lock+0x200/0x200 [ 118.868757] ? oom_kill_process+0x258/0x290 [ 118.873071] ? lock_downgrade+0x8f0/0x8f0 [ 118.877224] ? trace_hardirqs_on+0xd/0x10 [ 118.881367] ? ___ratelimit+0xaa/0x655 [ 118.885254] ? idr_get_free+0x10d0/0x10d0 [ 118.889386] ? kasan_check_write+0x14/0x20 [ 118.893601] ? do_raw_spin_lock+0xc1/0x200 [ 118.897818] oom_kill_process.cold.28+0x10/0x95a [ 118.902554] ? kasan_check_write+0x14/0x20 [ 118.906768] ? do_raw_spin_lock+0xc1/0x200 [ 118.910993] ? trace_hardirqs_on+0xd/0x10 [ 118.915126] ? oom_evaluate_task+0x540/0x540 [ 118.919516] ? cgroup_procs_next+0x70/0x70 [ 118.923735] ? trace_hardirqs_on+0xd/0x10 [ 118.927870] ? _raw_spin_unlock_irq+0x27/0x70 [ 118.932347] ? oom_badness+0xb00/0xb00 [ 118.936229] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 118.940981] ? mem_cgroup_iter_break+0x30/0x30 [ 118.945543] ? shrink_node+0x16a0/0x16a0 [ 118.949590] ? lock_acquire+0x1e4/0x540 [ 118.953551] ? cgroup_file_notify+0x226/0x2f0 [ 118.958029] out_of_memory+0xa8a/0x14d0 [ 118.961996] ? kasan_check_read+0x11/0x20 [ 118.966148] ? oom_killer_disable+0x3a0/0x3a0 [ 118.970627] ? kasan_check_write+0x14/0x20 [ 118.974854] ? do_raw_spin_lock+0xc1/0x200 [ 118.979075] mem_cgroup_out_of_memory+0x15e/0x210 [ 118.983902] ? memcg_memory_event+0x40/0x40 [ 118.988214] ? page_counter_try_charge+0x1c7/0x220 [ 118.993145] try_charge+0x720/0x1680 [ 118.996865] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 119.003600] ? lock_downgrade+0x8f0/0x8f0 [ 119.007729] ? lock_release+0xa30/0xa30 [ 119.011689] ? __anon_vma_prepare+0xc4/0x720 [ 119.016075] ? handle_mm_fault+0x53e/0xc80 [ 119.020292] ? fs_reclaim_acquire+0x20/0x20 [ 119.024596] ? lock_downgrade+0x8f0/0x8f0 [ 119.028749] ? get_mem_cgroup_from_mm+0x209/0x440 [ 119.033589] ? get_mem_cgroup_from_page+0x190/0x190 [ 119.038591] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 119.043415] ? lock_acquire+0x1e4/0x540 [ 119.047372] mem_cgroup_try_charge+0x4ff/0xa70 [ 119.051938] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 119.056937] ? mem_cgroup_protected+0xa60/0xa60 [ 119.061589] ? up_write+0x7b/0x220 [ 119.065112] ? up_read+0x110/0x110 [ 119.068638] ? __anon_vma_prepare+0x36d/0x720 [ 119.073136] ? pmd_val+0x88/0x100 [ 119.076586] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 119.082121] mem_cgroup_try_charge_delay+0x1d/0x90 [ 119.087031] __handle_mm_fault+0x25be/0x4470 [ 119.091424] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 119.096256] ? cap_mmap_addr+0x52/0x130 [ 119.100234] ? userfaultfd_unmap_complete+0x32a/0x510 [ 119.105427] ? security_mmap_addr+0x80/0xa0 [ 119.109752] ? lock_acquire+0x1e4/0x540 [ 119.113721] ? handle_mm_fault+0x417/0xc80 [ 119.117943] ? lock_downgrade+0x8f0/0x8f0 [ 119.122070] ? lock_release+0xa30/0xa30 [ 119.126030] ? lock_release+0xa30/0xa30 [ 119.129986] ? down_read_killable+0x200/0x200 [ 119.134475] ? mem_cgroup_from_task+0xcb/0x1f0 [ 119.139039] ? get_mctgt_type+0xde0/0xde0 [ 119.143186] handle_mm_fault+0x53e/0xc80 [ 119.147250] ? __handle_mm_fault+0x4470/0x4470 [ 119.151815] ? find_vma+0x34/0x190 [ 119.155345] __do_page_fault+0x620/0xe50 [ 119.159406] ? mm_fault_error+0x380/0x380 [ 119.163539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.169059] ? __x64_sys_clock_gettime+0x170/0x250 [ 119.173977] ? __ia32_sys_clock_settime+0x290/0x290 [ 119.178989] do_page_fault+0xf6/0x8c0 [ 119.182779] ? vmalloc_sync_all+0x30/0x30 [ 119.186945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.192467] ? do_syscall_64+0x497/0x820 [ 119.196523] ? syscall_return_slowpath+0x5e0/0x5e0 [ 119.201434] ? syscall_return_slowpath+0x31d/0x5e0 [ 119.206354] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 119.211351] ? prepare_exit_to_usermode+0x291/0x3b0 [ 119.216353] ? page_fault+0x8/0x30 [ 119.219874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 119.224701] ? page_fault+0x8/0x30 [ 119.228234] page_fault+0x1e/0x30 [ 119.231677] RIP: 0033:0x40e33f [ 119.234873] 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 [ 119.253774] RSP: 002b:00007fffab126a80 EFLAGS: 00010206 [ 119.259130] RAX: 00007fea36c9e000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 119.266387] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 119.273634] RBP: 00007fffab126b60 R08: ffffffffffffffff R09: 0000000000000000 [ 119.280881] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffab126c50 [ 119.288129] R13: 00007fea36cbe700 R14: 0000000000000005 R15: 0000000000000001 [ 119.296085] Task in /ile0 killed as a result of limit of /ile0 [ 119.302130] memory: usage 84kB, limit 0kB, failcnt 111 [ 119.307423] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 119.314181] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 119.320345] 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 [ 119.340131] Tasks state (memory values in pages): [ 119.344987] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 119.353881] [ 6450] 0 6450 9427 533 61440 0 0 syz-executor0 [ 119.362918] [ 6470] 0 6470 9427 532 61440 0 0 syz-executor6 [ 119.371972] [ 6472] 0 6472 9427 532 61440 0 0 syz-executor2 [ 119.381014] [ 6475] 0 6475 9427 532 65536 0 0 syz-executor3 [ 119.390039] Memory cgroup out of memory: Kill process 6450 (syz-executor0) score 548000 or sacrifice child [ 119.399865] Killed process 6450 (syz-executor0) total-vm:37708kB, anon-rss:2132kB, file-rss:0kB, shmem-rss:0kB [ 119.411485] oom_reaper: reaped process 6450 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 119.421410] syz-executor6 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 119.433275] syz-executor6 cpuset=/ mems_allowed=0 [ 119.438167] CPU: 1 PID: 6470 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 119.446560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.455894] Call Trace: [ 119.458467] dump_stack+0x1c9/0x2b4 [ 119.462085] ? dump_stack_print_info.cold.2+0x52/0x52 [ 119.467266] ? trace_hardirqs_on+0x10/0x10 [ 119.471486] dump_header+0x27b/0xf70 [ 119.475197] ? pagefault_out_of_memory+0x197/0x197 [ 119.480125] ? do_raw_spin_unlock+0xa7/0x2f0 [ 119.484519] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 119.489086] ? compat_start_thread+0x80/0x80 [ 119.493480] ? trace_hardirqs_on+0x10/0x10 [ 119.497698] ? kasan_check_write+0x14/0x20 [ 119.501922] ? finish_task_switch+0x2ca/0x870 [ 119.506424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.511957] ? css_next_child+0x1c3/0x620 [ 119.516092] ? find_lock_task_mm+0x230/0x4d0 [ 119.520490] ? cgroup_get_tree+0xb20/0xb20 [ 119.524720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.530256] ? task_will_free_mem+0x239/0xb70 [ 119.534740] ? lock_downgrade+0x8f0/0x8f0 [ 119.538883] ? ___ratelimit+0x36f/0x655 [ 119.542841] ? lock_downgrade+0x8f0/0x8f0 [ 119.546973] ? kasan_check_read+0x11/0x20 [ 119.551104] ? do_raw_spin_unlock+0xa7/0x2f0 [ 119.555500] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 119.560076] ? do_raw_spin_lock+0x200/0x200 [ 119.564379] ? oom_kill_process+0x258/0x290 [ 119.568682] ? lock_downgrade+0x8f0/0x8f0 [ 119.572811] ? trace_hardirqs_on+0xd/0x10 [ 119.576940] ? ___ratelimit+0xaa/0x655 [ 119.580805] ? idr_get_free+0x10d0/0x10d0 [ 119.584940] ? kasan_check_write+0x14/0x20 [ 119.589167] ? do_raw_spin_lock+0xc1/0x200 [ 119.593383] oom_kill_process.cold.28+0x10/0x95a [ 119.598132] ? kasan_check_write+0x14/0x20 [ 119.602356] ? do_raw_spin_lock+0xc1/0x200 [ 119.606576] ? trace_hardirqs_on+0xd/0x10 [ 119.610706] ? oom_evaluate_task+0x540/0x540 [ 119.615096] ? cgroup_procs_next+0x70/0x70 [ 119.619400] ? trace_hardirqs_on+0xd/0x10 [ 119.623529] ? _raw_spin_unlock_irq+0x27/0x70 [ 119.628004] ? oom_badness+0xb00/0xb00 [ 119.631885] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 119.636636] ? mem_cgroup_iter_break+0x30/0x30 [ 119.641204] ? shrink_node+0x16a0/0x16a0 [ 119.645270] ? lock_acquire+0x1e4/0x540 [ 119.649246] ? cgroup_file_notify+0x226/0x2f0 [ 119.653729] out_of_memory+0xa8a/0x14d0 [ 119.657687] ? kasan_check_read+0x11/0x20 [ 119.661820] ? oom_killer_disable+0x3a0/0x3a0 [ 119.666297] ? kasan_check_write+0x14/0x20 [ 119.670515] ? do_raw_spin_lock+0xc1/0x200 [ 119.674746] mem_cgroup_out_of_memory+0x15e/0x210 [ 119.679583] ? memcg_memory_event+0x40/0x40 [ 119.683888] ? page_counter_try_charge+0x1c7/0x220 [ 119.688811] try_charge+0x720/0x1680 [ 119.692523] ? lock_acquire+0x1e4/0x540 [ 119.696481] ? fs_reclaim_acquire+0x20/0x20 [ 119.700811] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 119.707577] ? rcu_note_context_switch+0x730/0x730 [ 119.712515] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 119.717348] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 119.722362] memcg_kmem_charge_memcg+0x7c/0x120 [ 119.727024] ? memcg_kmem_put_cache+0xb0/0xb0 [ 119.731516] ? __free_pages+0x10a/0x190 [ 119.735476] cache_grow_begin+0x207/0x710 [ 119.739607] ? do_raw_spin_unlock+0xa7/0x2f0 [ 119.744085] fallback_alloc+0x203/0x2c0 [ 119.748054] ____cache_alloc_node+0x1c7/0x1e0 [ 119.752532] kmem_cache_alloc+0x1e5/0x760 [ 119.756698] __anon_vma_prepare+0xc4/0x720 [ 119.760935] ? anon_vma_fork+0x960/0x960 [ 119.764980] ? pmd_val+0x88/0x100 [ 119.768428] ? add_mm_counter_fast+0xd0/0xd0 [ 119.772821] ? pmd_val+0x88/0x100 [ 119.776268] ? add_mm_counter_fast+0xd0/0xd0 [ 119.780684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 119.786223] __handle_mm_fault+0x3556/0x4470 [ 119.790637] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 119.795460] ? cap_mmap_addr+0x52/0x130 [ 119.799425] ? userfaultfd_unmap_complete+0x32a/0x510 [ 119.804597] ? security_mmap_addr+0x80/0xa0 [ 119.808911] ? lock_acquire+0x1e4/0x540 [ 119.812876] ? handle_mm_fault+0x417/0xc80 [ 119.817116] ? lock_downgrade+0x8f0/0x8f0 [ 119.821258] ? lock_release+0xa30/0xa30 [ 119.825227] ? lock_release+0xa30/0xa30 [ 119.829205] ? down_read_killable+0x200/0x200 [ 119.833702] ? mem_cgroup_from_task+0xcb/0x1f0 [ 119.838265] ? get_mctgt_type+0xde0/0xde0 [ 119.842407] handle_mm_fault+0x53e/0xc80 [ 119.846465] ? __handle_mm_fault+0x4470/0x4470 [ 119.851041] ? find_vma+0x34/0x190 [ 119.854583] __do_page_fault+0x620/0xe50 [ 119.858644] ? mm_fault_error+0x380/0x380 [ 119.862797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.868315] ? __x64_sys_clock_gettime+0x170/0x250 [ 119.873242] ? __ia32_sys_clock_settime+0x290/0x290 [ 119.878255] do_page_fault+0xf6/0x8c0 [ 119.882039] ? vmalloc_sync_all+0x30/0x30 [ 119.886184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.891723] ? do_syscall_64+0x497/0x820 [ 119.895786] ? syscall_slow_exit_work+0x500/0x500 [ 119.900614] ? syscall_return_slowpath+0x5e0/0x5e0 [ 119.905528] ? syscall_return_slowpath+0x31d/0x5e0 [ 119.910443] ? prepare_exit_to_usermode+0x291/0x3b0 [ 119.915451] ? page_fault+0x8/0x30 [ 119.918983] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 119.923817] ? page_fault+0x8/0x30 [ 119.927344] page_fault+0x1e/0x30 [ 119.930777] RIP: 0033:0x40e33f [ 119.933960] 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 [ 119.952868] RSP: 002b:00007ffebbce53a0 EFLAGS: 00010206 [ 119.958231] RAX: 00007ff906594000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 119.965497] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 119.972752] RBP: 00007ffebbce5480 R08: ffffffffffffffff R09: 0000000000000000 [ 119.980020] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffebbce5570 [ 119.987269] R13: 00007ff9065b4700 R14: 0000000000000005 R15: 0000000000000001 [ 119.995025] Task in /ile0 killed as a result of limit of /ile0 [ 120.001084] memory: usage 84kB, limit 0kB, failcnt 322 [ 120.006374] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 120.013143] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 120.019315] 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 [ 120.038795] Tasks state (memory values in pages): [ 120.043647] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 120.052534] [ 6470] 0 6470 9427 532 61440 0 0 syz-executor6 [ 120.061567] [ 6472] 0 6472 9427 532 61440 0 0 syz-executor2 [ 120.070630] [ 6475] 0 6475 9427 532 65536 0 0 syz-executor3 [ 120.079671] Memory cgroup out of memory: Kill process 6475 (syz-executor3) score 548000 or sacrifice child [ 120.089512] Killed process 6475 (syz-executor3) total-vm:37708kB, anon-rss:2128kB, file-rss:0kB, shmem-rss:0kB [ 120.100566] oom_reaper: reaped process 6475 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 120.110443] syz-executor3 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 120.122461] syz-executor3 cpuset=/ mems_allowed=0 [ 120.127351] CPU: 0 PID: 6475 Comm: syz-executor3 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 120.135765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.145111] Call Trace: [ 120.147689] dump_stack+0x1c9/0x2b4 [ 120.151310] ? dump_stack_print_info.cold.2+0x52/0x52 [ 120.156498] ? trace_hardirqs_on+0x10/0x10 [ 120.160714] dump_header+0x27b/0xf70 [ 120.164418] ? trace_hardirqs_on+0x10/0x10 [ 120.168635] ? __switch_to_asm+0x40/0x70 [ 120.172678] ? pagefault_out_of_memory+0x197/0x197 [ 120.177590] ? __switch_to_asm+0x40/0x70 [ 120.181646] ? __switch_to_asm+0x34/0x70 [ 120.185689] ? __switch_to_asm+0x40/0x70 [ 120.189731] ? __switch_to_asm+0x34/0x70 [ 120.193778] ? __switch_to_asm+0x40/0x70 [ 120.197825] ? __switch_to_asm+0x34/0x70 [ 120.201868] ? __switch_to_asm+0x40/0x70 [ 120.205913] ? trace_hardirqs_on+0x10/0x10 [ 120.210128] ? __schedule+0x884/0x1ec0 [ 120.213996] ? kasan_check_write+0x14/0x20 [ 120.218249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.223788] ? css_next_child+0x1c3/0x620 [ 120.227918] ? find_lock_task_mm+0x230/0x4d0 [ 120.232426] ? cgroup_get_tree+0xb20/0xb20 [ 120.236644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.242163] ? task_will_free_mem+0x239/0xb70 [ 120.246644] ? lock_downgrade+0x8f0/0x8f0 [ 120.250789] ? ___ratelimit+0x36f/0x655 [ 120.254774] ? lock_downgrade+0x8f0/0x8f0 [ 120.258907] ? kasan_check_read+0x11/0x20 [ 120.263040] ? do_raw_spin_unlock+0xa7/0x2f0 [ 120.267434] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 120.271999] ? do_raw_spin_lock+0x200/0x200 [ 120.276304] ? oom_kill_process+0x258/0x290 [ 120.280618] ? lock_downgrade+0x8f0/0x8f0 [ 120.284766] ? trace_hardirqs_on+0xd/0x10 [ 120.288898] ? ___ratelimit+0xaa/0x655 [ 120.292779] ? idr_get_free+0x10d0/0x10d0 [ 120.296919] ? kasan_check_write+0x14/0x20 [ 120.301135] ? do_raw_spin_lock+0xc1/0x200 [ 120.305354] oom_kill_process.cold.28+0x10/0x95a [ 120.310092] ? kasan_check_write+0x14/0x20 [ 120.314308] ? do_raw_spin_lock+0xc1/0x200 [ 120.318533] ? trace_hardirqs_on+0xd/0x10 [ 120.322678] ? oom_evaluate_task+0x540/0x540 [ 120.327067] ? cgroup_procs_next+0x70/0x70 [ 120.331286] ? trace_hardirqs_on+0xd/0x10 [ 120.335419] ? _raw_spin_unlock_irq+0x27/0x70 [ 120.339897] ? oom_badness+0xb00/0xb00 [ 120.343775] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 120.348510] ? mem_cgroup_iter_break+0x30/0x30 [ 120.353073] ? shrink_node+0x16a0/0x16a0 [ 120.357119] ? lock_acquire+0x1e4/0x540 [ 120.361085] ? cgroup_file_notify+0x226/0x2f0 [ 120.365574] out_of_memory+0xa8a/0x14d0 [ 120.369546] ? kasan_check_read+0x11/0x20 [ 120.373678] ? oom_killer_disable+0x3a0/0x3a0 [ 120.378167] ? kasan_check_write+0x14/0x20 [ 120.382410] ? do_raw_spin_lock+0xc1/0x200 [ 120.386632] mem_cgroup_out_of_memory+0x15e/0x210 [ 120.391459] ? memcg_memory_event+0x40/0x40 [ 120.395764] ? page_counter_try_charge+0x1c7/0x220 [ 120.400677] try_charge+0x720/0x1680 [ 120.404405] ? lock_acquire+0x1e4/0x540 [ 120.408365] ? fs_reclaim_acquire+0x20/0x20 [ 120.412683] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 120.419441] ? rcu_note_context_switch+0x730/0x730 [ 120.424357] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 120.429183] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 120.434196] memcg_kmem_charge_memcg+0x7c/0x120 [ 120.438866] ? memcg_kmem_put_cache+0xb0/0xb0 [ 120.443343] ? __free_pages+0x10a/0x190 [ 120.447303] cache_grow_begin+0x207/0x710 [ 120.451434] ? do_raw_spin_unlock+0xa7/0x2f0 [ 120.455875] fallback_alloc+0x203/0x2c0 [ 120.459864] ____cache_alloc_node+0x1c7/0x1e0 [ 120.464384] kmem_cache_alloc+0x1e5/0x760 [ 120.468519] __anon_vma_prepare+0xc4/0x720 [ 120.472768] ? anon_vma_fork+0x960/0x960 [ 120.476833] ? pmd_val+0x88/0x100 [ 120.480285] ? add_mm_counter_fast+0xd0/0xd0 [ 120.484678] ? pmd_val+0x88/0x100 [ 120.488115] ? add_mm_counter_fast+0xd0/0xd0 [ 120.492508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 120.498027] __handle_mm_fault+0x3556/0x4470 [ 120.502419] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 120.507248] ? cap_mmap_addr+0x52/0x130 [ 120.511226] ? userfaultfd_unmap_complete+0x32a/0x510 [ 120.516403] ? security_mmap_addr+0x80/0xa0 [ 120.520710] ? lock_acquire+0x1e4/0x540 [ 120.524664] ? handle_mm_fault+0x417/0xc80 [ 120.528895] ? lock_downgrade+0x8f0/0x8f0 [ 120.533023] ? lock_release+0xa30/0xa30 [ 120.536988] ? lock_release+0xa30/0xa30 [ 120.540959] ? down_read_killable+0x200/0x200 [ 120.545439] ? mem_cgroup_from_task+0xcb/0x1f0 [ 120.550002] ? get_mctgt_type+0xde0/0xde0 [ 120.554132] handle_mm_fault+0x53e/0xc80 [ 120.558174] ? __handle_mm_fault+0x4470/0x4470 [ 120.562748] ? find_vma+0x34/0x190 [ 120.566285] __do_page_fault+0x620/0xe50 [ 120.570332] ? mm_fault_error+0x380/0x380 [ 120.574472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.580017] ? __x64_sys_clock_gettime+0x170/0x250 [ 120.584935] ? __ia32_sys_clock_settime+0x290/0x290 [ 120.589940] do_page_fault+0xf6/0x8c0 [ 120.593725] ? vmalloc_sync_all+0x30/0x30 [ 120.597860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.603381] ? do_syscall_64+0x497/0x820 [ 120.607436] ? syscall_return_slowpath+0x5e0/0x5e0 [ 120.612368] ? syscall_return_slowpath+0x31d/0x5e0 [ 120.617281] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 120.622283] ? prepare_exit_to_usermode+0x291/0x3b0 [ 120.627291] ? page_fault+0x8/0x30 [ 120.630821] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 120.635647] ? page_fault+0x8/0x30 [ 120.639206] page_fault+0x1e/0x30 [ 120.642650] RIP: 0033:0x40e33f [ 120.645824] Code: Bad RIP value. [ 120.649174] RSP: 002b:00007ffd4010a0c0 EFLAGS: 00010206 [ 120.654519] RAX: 00007f75b4a5c000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 120.661769] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 120.669017] RBP: 00007ffd4010a1a0 R08: ffffffffffffffff R09: 0000000000000000 [ 120.676272] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4010a290 [ 120.683524] R13: 00007f75b4a7c700 R14: 0000000000000005 R15: 0000000000000001 [ 120.690916] Task in /ile0 killed as a result of limit of /ile0 [ 120.696980] memory: usage 52kB, limit 0kB, failcnt 514 [ 120.702278] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 120.709052] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 120.715236] 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 [ 120.734697] Tasks state (memory values in pages): [ 120.739578] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 120.748461] [ 6470] 0 6470 9427 532 61440 0 0 syz-executor6 [ 120.757508] [ 6472] 0 6472 9427 532 61440 0 0 syz-executor2 [ 120.766568] [ 6475] 0 6475 9427 0 61440 0 0 syz-executor3 [ 120.775605] Memory cgroup out of memory: Kill process 6472 (syz-executor2) score 547000 or sacrifice child [ 120.785446] Killed process 6472 (syz-executor2) total-vm:37708kB, anon-rss:2128kB, file-rss:0kB, shmem-rss:0kB [ 120.796489] oom_reaper: reaped process 6472 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 120.806379] syz-executor6 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 120.818195] syz-executor6 cpuset=/ mems_allowed=0 [ 120.823138] CPU: 1 PID: 6470 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 120.831536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.840889] Call Trace: [ 120.843462] dump_stack+0x1c9/0x2b4 [ 120.847071] ? dump_stack_print_info.cold.2+0x52/0x52 [ 120.852259] ? trace_hardirqs_on+0x10/0x10 [ 120.856487] dump_header+0x27b/0xf70 [ 120.860186] ? trace_hardirqs_on+0x10/0x10 [ 120.864411] ? __switch_to_asm+0x40/0x70 [ 120.868454] ? pagefault_out_of_memory+0x197/0x197 [ 120.873362] ? __switch_to_asm+0x40/0x70 [ 120.877417] ? __switch_to_asm+0x34/0x70 [ 120.881460] ? __switch_to_asm+0x40/0x70 [ 120.885501] ? __switch_to_asm+0x34/0x70 [ 120.889543] ? __switch_to_asm+0x40/0x70 [ 120.893583] ? __switch_to_asm+0x34/0x70 [ 120.897629] ? __switch_to_asm+0x40/0x70 [ 120.901674] ? trace_hardirqs_on+0x10/0x10 [ 120.905891] ? __schedule+0x884/0x1ec0 [ 120.909769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.915291] ? css_next_child+0x1c3/0x620 [ 120.919426] ? find_lock_task_mm+0x230/0x4d0 [ 120.923841] ? cgroup_get_tree+0xb20/0xb20 [ 120.928060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.933593] ? task_will_free_mem+0x239/0xb70 [ 120.938076] ? lock_downgrade+0x8f0/0x8f0 [ 120.942214] ? ___ratelimit+0x36f/0x655 [ 120.946189] ? lock_downgrade+0x8f0/0x8f0 [ 120.950346] ? kasan_check_read+0x11/0x20 [ 120.954477] ? do_raw_spin_unlock+0xa7/0x2f0 [ 120.958879] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 120.963457] ? do_raw_spin_lock+0x200/0x200 [ 120.967766] ? oom_kill_process+0x258/0x290 [ 120.972077] ? lock_downgrade+0x8f0/0x8f0 [ 120.976218] ? trace_hardirqs_on+0xd/0x10 [ 120.980370] ? ___ratelimit+0xaa/0x655 [ 120.984336] ? idr_get_free+0x10d0/0x10d0 [ 120.988466] ? kasan_check_write+0x14/0x20 [ 120.992682] ? do_raw_spin_lock+0xc1/0x200 [ 120.996902] oom_kill_process.cold.28+0x10/0x95a [ 121.001642] ? kasan_check_write+0x14/0x20 [ 121.005856] ? do_raw_spin_lock+0xc1/0x200 [ 121.010086] ? trace_hardirqs_on+0xd/0x10 [ 121.014232] ? oom_evaluate_task+0x540/0x540 [ 121.018634] ? cgroup_procs_next+0x70/0x70 [ 121.022851] ? trace_hardirqs_on+0xd/0x10 [ 121.026983] ? _raw_spin_unlock_irq+0x27/0x70 [ 121.031458] ? oom_badness+0xb00/0xb00 [ 121.035337] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 121.040101] ? mem_cgroup_iter_break+0x30/0x30 [ 121.044666] ? shrink_node+0x16a0/0x16a0 [ 121.048713] ? lock_acquire+0x1e4/0x540 [ 121.052671] ? cgroup_file_notify+0x226/0x2f0 [ 121.057151] out_of_memory+0xa8a/0x14d0 [ 121.061110] ? kasan_check_read+0x11/0x20 [ 121.065253] ? oom_killer_disable+0x3a0/0x3a0 [ 121.069729] ? kasan_check_write+0x14/0x20 [ 121.073944] ? do_raw_spin_lock+0xc1/0x200 [ 121.078161] mem_cgroup_out_of_memory+0x15e/0x210 [ 121.082987] ? memcg_memory_event+0x40/0x40 [ 121.087300] ? page_counter_try_charge+0x1c7/0x220 [ 121.092220] try_charge+0x720/0x1680 [ 121.095928] ? lock_acquire+0x1e4/0x540 [ 121.099885] ? fs_reclaim_acquire+0x20/0x20 [ 121.104190] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 121.110935] ? rcu_note_context_switch+0x730/0x730 [ 121.115865] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 121.120700] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 121.125705] memcg_kmem_charge_memcg+0x7c/0x120 [ 121.130532] ? memcg_kmem_put_cache+0xb0/0xb0 [ 121.135011] ? __free_pages+0x10a/0x190 [ 121.138969] cache_grow_begin+0x207/0x710 [ 121.143109] ? do_raw_spin_unlock+0xa7/0x2f0 [ 121.147528] fallback_alloc+0x203/0x2c0 [ 121.151500] ____cache_alloc_node+0x1c7/0x1e0 [ 121.155978] kmem_cache_alloc+0x1e5/0x760 [ 121.160118] __anon_vma_prepare+0xc4/0x720 [ 121.164335] ? anon_vma_fork+0x960/0x960 [ 121.168383] ? pmd_val+0x88/0x100 [ 121.171831] ? add_mm_counter_fast+0xd0/0xd0 [ 121.176228] ? pmd_val+0x88/0x100 [ 121.179674] ? add_mm_counter_fast+0xd0/0xd0 [ 121.184065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 121.189592] __handle_mm_fault+0x3556/0x4470 [ 121.193984] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 121.198809] ? cap_mmap_addr+0x52/0x130 [ 121.202775] ? userfaultfd_unmap_complete+0x32a/0x510 [ 121.207954] ? security_mmap_addr+0x80/0xa0 [ 121.212268] ? lock_acquire+0x1e4/0x540 [ 121.216233] ? handle_mm_fault+0x417/0xc80 [ 121.220470] ? lock_downgrade+0x8f0/0x8f0 [ 121.224599] ? lock_release+0xa30/0xa30 [ 121.228557] ? lock_release+0xa30/0xa30 [ 121.232519] ? down_read_killable+0x200/0x200 [ 121.236998] ? mem_cgroup_from_task+0xcb/0x1f0 [ 121.241566] ? get_mctgt_type+0xde0/0xde0 [ 121.245697] handle_mm_fault+0x53e/0xc80 [ 121.249741] ? __handle_mm_fault+0x4470/0x4470 [ 121.254311] ? find_vma+0x34/0x190 [ 121.257836] __do_page_fault+0x620/0xe50 [ 121.261890] ? mm_fault_error+0x380/0x380 [ 121.266035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 121.271555] ? __x64_sys_clock_gettime+0x170/0x250 [ 121.276485] ? __ia32_sys_clock_settime+0x290/0x290 [ 121.281485] do_page_fault+0xf6/0x8c0 [ 121.285273] ? vmalloc_sync_all+0x30/0x30 [ 121.289410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 121.294956] ? do_syscall_64+0x497/0x820 [ 121.299004] ? syscall_slow_exit_work+0x500/0x500 [ 121.303830] ? syscall_return_slowpath+0x5e0/0x5e0 [ 121.308744] ? syscall_return_slowpath+0x31d/0x5e0 [ 121.313665] ? prepare_exit_to_usermode+0x291/0x3b0 [ 121.318672] ? page_fault+0x8/0x30 [ 121.322196] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 121.327034] ? page_fault+0x8/0x30 [ 121.330556] page_fault+0x1e/0x30 [ 121.333990] RIP: 0033:0x40e33f [ 121.337163] 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 [ 121.356066] RSP: 002b:00007ffebbce53a0 EFLAGS: 00010206 [ 121.361413] RAX: 00007ff906594000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 121.368666] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 121.375915] RBP: 00007ffebbce5480 R08: ffffffffffffffff R09: 0000000000000000 [ 121.383204] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffebbce5570 [ 121.390472] R13: 00007ff9065b4700 R14: 0000000000000005 R15: 0000000000000001 [ 121.398707] Task in /ile0 killed as a result of limit of /ile0 [ 121.404740] memory: usage 68kB, limit 0kB, failcnt 755 [ 121.410061] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 121.416826] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 121.422982] 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 [ 121.442460] Tasks state (memory values in pages): [ 121.447322] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 121.456210] [ 6470] 0 6470 9427 532 61440 0 0 syz-executor6 [ 121.465280] [ 6473] 0 6472 9427 1 57344 0 0 syz-executor2 [ 121.474324] [ 6477] 0 6477 9393 536 57344 0 0 syz-executor7 [ 121.483364] Memory cgroup out of memory: Kill process 6470 (syz-executor6) score 547000 or sacrifice child [ 121.493208] Killed process 6470 (syz-executor6) total-vm:37708kB, anon-rss:2128kB, file-rss:0kB, shmem-rss:0kB [ 121.504147] oom_reaper: reaped process 6470 (syz-executor6), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 121.505177] syz-executor7 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 121.525860] syz-executor7 cpuset=/ mems_allowed=0 [ 121.530745] CPU: 1 PID: 6478 Comm: syz-executor7 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 121.539153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.548485] Call Trace: [ 121.551057] dump_stack+0x1c9/0x2b4 [ 121.554666] ? dump_stack_print_info.cold.2+0x52/0x52 [ 121.559852] ? trace_hardirqs_on+0x10/0x10 [ 121.564075] dump_header+0x27b/0xf70 [ 121.567772] ? trace_hardirqs_on+0x10/0x10 [ 121.571989] ? finish_task_switch+0x1d3/0x870 [ 121.576466] ? pagefault_out_of_memory+0x197/0x197 [ 121.581391] ? __switch_to_asm+0x40/0x70 [ 121.585432] ? __switch_to_asm+0x34/0x70 [ 121.589473] ? __switch_to_asm+0x40/0x70 [ 121.593521] ? __switch_to_asm+0x34/0x70 [ 121.597575] ? __switch_to_asm+0x40/0x70 [ 121.601630] ? __switch_to_asm+0x34/0x70 [ 121.605672] ? __switch_to_asm+0x40/0x70 [ 121.609716] ? trace_hardirqs_on+0x10/0x10 [ 121.613930] ? __schedule+0x884/0x1ec0 [ 121.617805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 121.623327] ? css_next_child+0x1c3/0x620 [ 121.627467] ? find_lock_task_mm+0x230/0x4d0 [ 121.631883] ? cgroup_get_tree+0xb20/0xb20 [ 121.636107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 121.641644] ? task_will_free_mem+0x239/0xb70 [ 121.646139] ? lock_downgrade+0x8f0/0x8f0 [ 121.650267] ? ___ratelimit+0x36f/0x655 [ 121.654230] ? lock_downgrade+0x8f0/0x8f0 [ 121.658368] ? kasan_check_read+0x11/0x20 [ 121.662497] ? do_raw_spin_unlock+0xa7/0x2f0 [ 121.666886] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 121.671447] ? do_raw_spin_lock+0x200/0x200 [ 121.675750] ? oom_kill_process+0x258/0x290 [ 121.680066] ? lock_downgrade+0x8f0/0x8f0 [ 121.684206] ? trace_hardirqs_on+0xd/0x10 [ 121.688349] ? ___ratelimit+0xaa/0x655 [ 121.692222] ? idr_get_free+0x10d0/0x10d0 [ 121.696362] ? kasan_check_write+0x14/0x20 [ 121.700577] ? do_raw_spin_lock+0xc1/0x200 [ 121.704801] oom_kill_process.cold.28+0x10/0x95a [ 121.709540] ? kasan_check_write+0x14/0x20 [ 121.713755] ? do_raw_spin_lock+0xc1/0x200 [ 121.717979] ? trace_hardirqs_on+0xd/0x10 [ 121.722136] ? oom_evaluate_task+0x540/0x540 [ 121.726527] ? cgroup_procs_next+0x70/0x70 [ 121.730752] ? trace_hardirqs_on+0xd/0x10 [ 121.734903] ? _raw_spin_unlock_irq+0x27/0x70 [ 121.739392] ? oom_badness+0xb00/0xb00 [ 121.743263] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 121.748003] ? mem_cgroup_iter_break+0x30/0x30 [ 121.752566] ? shrink_node+0x16a0/0x16a0 [ 121.756612] ? lock_acquire+0x1e4/0x540 [ 121.760568] ? cgroup_file_notify+0x226/0x2f0 [ 121.765045] out_of_memory+0xa8a/0x14d0 [ 121.769005] ? kasan_check_read+0x11/0x20 [ 121.773133] ? oom_killer_disable+0x3a0/0x3a0 [ 121.777608] ? kasan_check_write+0x14/0x20 [ 121.781825] ? do_raw_spin_lock+0xc1/0x200 [ 121.786042] mem_cgroup_out_of_memory+0x15e/0x210 [ 121.790868] ? memcg_memory_event+0x40/0x40 [ 121.795171] ? page_counter_try_charge+0x1c7/0x220 [ 121.800086] try_charge+0x720/0x1680 [ 121.803784] ? lock_acquire+0x1e4/0x540 [ 121.807740] ? fs_reclaim_acquire+0x20/0x20 [ 121.812058] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 121.818802] ? rcu_note_context_switch+0x730/0x730 [ 121.823715] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 121.828540] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 121.833544] memcg_kmem_charge_memcg+0x7c/0x120 [ 121.838215] ? memcg_kmem_put_cache+0xb0/0xb0 [ 121.842713] ? __free_pages+0x10a/0x190 [ 121.846671] cache_grow_begin+0x207/0x710 [ 121.850803] ? do_raw_spin_unlock+0xa7/0x2f0 [ 121.855198] fallback_alloc+0x203/0x2c0 [ 121.859165] ____cache_alloc_node+0x1c7/0x1e0 [ 121.863641] kmem_cache_alloc+0x1e5/0x760 [ 121.867772] ? lock_downgrade+0x8f0/0x8f0 [ 121.871904] ? shmem_destroy_callback+0xc0/0xc0 [ 121.876607] shmem_alloc_inode+0x1b/0x40 [ 121.880659] alloc_inode+0x63/0x190 [ 121.884268] new_inode_pseudo+0x71/0x1a0 [ 121.888314] ? prune_icache_sb+0x1c0/0x1c0 [ 121.892531] ? _raw_spin_unlock+0x22/0x30 [ 121.896659] new_inode+0x1c/0x40 [ 121.900009] shmem_get_inode+0xf1/0x910 [ 121.903967] ? shmem_encode_fh+0x340/0x340 [ 121.908185] ? lock_downgrade+0x8f0/0x8f0 [ 121.912340] ? lock_release+0xa30/0xa30 [ 121.916306] ? check_same_owner+0x340/0x340 [ 121.920608] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 121.925604] ? __check_object_size+0xa3/0x5d7 [ 121.930090] __shmem_file_setup.part.48+0x83/0x2a0 [ 121.935001] shmem_file_setup+0x65/0x90 [ 121.938959] __x64_sys_memfd_create+0x2af/0x4f0 [ 121.943613] ? memfd_fcntl+0x1e80/0x1e80 [ 121.947661] do_syscall_64+0x1b9/0x820 [ 121.951532] ? finish_task_switch+0x1d3/0x870 [ 121.956015] ? syscall_return_slowpath+0x5e0/0x5e0 [ 121.960930] ? syscall_return_slowpath+0x31d/0x5e0 [ 121.965851] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 121.970875] ? __switch_to_asm+0x34/0x70 [ 121.974918] ? __switch_to_asm+0x34/0x70 [ 121.978965] ? __switch_to_asm+0x40/0x70 [ 121.983025] ? __switch_to_asm+0x34/0x70 [ 121.987076] ? __switch_to_asm+0x40/0x70 [ 121.991121] ? __switch_to_asm+0x34/0x70 [ 121.995167] ? __switch_to_asm+0x40/0x70 [ 121.999221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 122.004066] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 122.009246] RIP: 0033:0x456b29 [ 122.012422] 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 [ 122.031318] RSP: 002b:00007fa0c3ddfa88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 122.039027] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 122.046277] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 122.053526] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 122.060791] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 122.068047] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 122.075362] Task in /ile0 killed as a result of limit of /ile0 [ 122.081421] memory: usage 80kB, limit 0kB, failcnt 771 [ 122.086706] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 122.093468] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 122.099619] 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 [ 122.119096] Tasks state (memory values in pages): [ 122.123950] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 122.132833] [ 6473] 0 6472 9427 1 57344 0 0 syz-executor2 2018/08/05 08:05:05 executed programs: 22 [ 122.141875] [ 6477] 0 6477 9393 536 57344 0 0 syz-executor7 [ 122.150906] Memory cgroup out of memory: Kill process 6477 (syz-executor7) score 550000 or sacrifice child [ 122.161082] Killed process 6477 (syz-executor7) total-vm:37572kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 122.225566] syz-executor4 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 122.236511] syz-executor4 cpuset=/ mems_allowed=0 [ 122.241430] CPU: 0 PID: 6481 Comm: syz-executor4 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 122.249834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.259188] Call Trace: [ 122.261796] dump_stack+0x1c9/0x2b4 [ 122.265431] ? dump_stack_print_info.cold.2+0x52/0x52 [ 122.270628] ? trace_hardirqs_on+0x10/0x10 [ 122.274884] dump_header+0x27b/0xf70 [ 122.278609] ? pagefault_out_of_memory+0x197/0x197 [ 122.283558] ? trace_hardirqs_on+0x10/0x10 [ 122.287800] ? rcu_read_unlock+0x16/0x70 [ 122.291875] ? lock_downgrade+0x8f0/0x8f0 [ 122.296037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 122.301585] ? css_next_child+0x1c3/0x620 [ 122.305749] ? find_lock_task_mm+0x230/0x4d0 [ 122.310172] ? cgroup_get_tree+0xb20/0xb20 [ 122.314418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 122.319961] ? task_will_free_mem+0x239/0xb70 [ 122.324464] ? lock_downgrade+0x8f0/0x8f0 [ 122.328617] ? ___ratelimit+0x36f/0x655 [ 122.332599] ? lock_downgrade+0x8f0/0x8f0 [ 122.336760] ? kasan_check_read+0x11/0x20 [ 122.340918] ? do_raw_spin_unlock+0xa7/0x2f0 [ 122.345333] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 122.349914] ? do_raw_spin_lock+0x200/0x200 [ 122.354239] ? oom_kill_process+0x258/0x290 [ 122.358566] ? lock_downgrade+0x8f0/0x8f0 [ 122.362708] ? trace_hardirqs_on+0xd/0x10 [ 122.366838] ? ___ratelimit+0xaa/0x655 [ 122.370709] ? idr_get_free+0x10d0/0x10d0 [ 122.374840] ? kasan_check_write+0x14/0x20 [ 122.379066] ? do_raw_spin_lock+0xc1/0x200 [ 122.383314] oom_kill_process.cold.28+0x10/0x95a [ 122.388073] ? kasan_check_write+0x14/0x20 [ 122.392305] ? do_raw_spin_lock+0xc1/0x200 [ 122.396524] ? trace_hardirqs_on+0xd/0x10 [ 122.400656] ? oom_evaluate_task+0x540/0x540 [ 122.405046] ? cgroup_procs_next+0x70/0x70 [ 122.409277] ? trace_hardirqs_on+0xd/0x10 [ 122.413417] ? _raw_spin_unlock_irq+0x27/0x70 [ 122.417907] ? oom_badness+0xb00/0xb00 [ 122.421790] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 122.426527] ? mem_cgroup_iter_break+0x30/0x30 [ 122.431090] ? shrink_node+0x16a0/0x16a0 [ 122.435138] ? lock_acquire+0x1e4/0x540 [ 122.439096] ? cgroup_file_notify+0x226/0x2f0 [ 122.443586] out_of_memory+0xa8a/0x14d0 [ 122.447546] ? kasan_check_read+0x11/0x20 [ 122.451681] ? oom_killer_disable+0x3a0/0x3a0 [ 122.456180] ? kasan_check_write+0x14/0x20 [ 122.460409] ? do_raw_spin_lock+0xc1/0x200 [ 122.464627] mem_cgroup_out_of_memory+0x15e/0x210 [ 122.469462] ? memcg_memory_event+0x40/0x40 [ 122.473776] ? page_counter_try_charge+0x1c7/0x220 [ 122.478701] try_charge+0x720/0x1680 [ 122.482420] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 122.489171] ? lock_downgrade+0x8f0/0x8f0 [ 122.493304] ? lock_release+0xa30/0xa30 [ 122.497267] ? __anon_vma_prepare+0xc4/0x720 [ 122.501679] ? handle_mm_fault+0x53e/0xc80 [ 122.505924] ? fs_reclaim_acquire+0x20/0x20 [ 122.510259] ? lock_downgrade+0x8f0/0x8f0 [ 122.514399] ? percpu_ref_put_many+0x119/0x240 [ 122.518963] ? get_mem_cgroup_from_mm+0x209/0x440 [ 122.523795] ? get_mem_cgroup_from_page+0x190/0x190 [ 122.528796] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 122.533633] ? lock_acquire+0x1e4/0x540 [ 122.537603] mem_cgroup_try_charge+0x4ff/0xa70 [ 122.542188] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 122.547220] ? mem_cgroup_protected+0xa60/0xa60 [ 122.551888] ? up_write+0x7b/0x220 [ 122.555419] ? up_read+0x110/0x110 [ 122.558970] ? __anon_vma_prepare+0x36d/0x720 [ 122.563449] ? pmd_val+0x88/0x100 [ 122.566896] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 122.572432] mem_cgroup_try_charge_delay+0x1d/0x90 [ 122.577362] __handle_mm_fault+0x25be/0x4470 [ 122.581764] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 122.586607] ? cap_mmap_addr+0x52/0x130 [ 122.590565] ? userfaultfd_unmap_complete+0x32a/0x510 [ 122.595740] ? security_mmap_addr+0x80/0xa0 [ 122.600063] ? lock_acquire+0x1e4/0x540 [ 122.604018] ? handle_mm_fault+0x417/0xc80 [ 122.608245] ? lock_downgrade+0x8f0/0x8f0 [ 122.612384] ? lock_release+0xa30/0xa30 [ 122.616341] ? lock_release+0xa30/0xa30 [ 122.620300] ? down_read_killable+0x200/0x200 [ 122.624788] ? mem_cgroup_from_task+0xcb/0x1f0 [ 122.629356] ? get_mctgt_type+0xde0/0xde0 [ 122.633496] handle_mm_fault+0x53e/0xc80 [ 122.637550] ? __handle_mm_fault+0x4470/0x4470 [ 122.642137] ? find_vma+0x34/0x190 [ 122.645689] __do_page_fault+0x620/0xe50 [ 122.649746] ? mm_fault_error+0x380/0x380 [ 122.653888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 122.659410] ? __x64_sys_clock_gettime+0x170/0x250 [ 122.664329] ? __ia32_sys_clock_settime+0x290/0x290 [ 122.669338] do_page_fault+0xf6/0x8c0 [ 122.673142] ? vmalloc_sync_all+0x30/0x30 [ 122.677283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 122.682830] ? do_syscall_64+0x497/0x820 [ 122.686893] ? syscall_return_slowpath+0x5e0/0x5e0 [ 122.691827] ? syscall_return_slowpath+0x31d/0x5e0 [ 122.696744] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 122.701750] ? prepare_exit_to_usermode+0x291/0x3b0 [ 122.706765] ? page_fault+0x8/0x30 [ 122.710299] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 122.715133] ? page_fault+0x8/0x30 [ 122.718656] page_fault+0x1e/0x30 [ 122.722088] RIP: 0033:0x40e33f [ 122.725278] 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 [ 122.744169] RSP: 002b:00007ffe3ab59160 EFLAGS: 00010206 [ 122.749542] RAX: 00007f1fcd380000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 122.756798] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 122.764058] RBP: 00007ffe3ab59240 R08: ffffffffffffffff R09: 0000000000000000 [ 122.771319] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe3ab59330 [ 122.778572] R13: 00007f1fcd3a0700 R14: 0000000000000005 R15: 0000000000000001 [ 122.786219] Task in /ile0 killed as a result of limit of /ile0 [ 122.792438] memory: usage 88kB, limit 0kB, failcnt 901 [ 122.797748] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 122.804548] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 122.810705] 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 [ 122.830181] Tasks state (memory values in pages): [ 122.835047] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 122.843923] [ 6480] 0 6480 9426 535 65536 0 0 syz-executor5 [ 122.852965] [ 6481] 0 6481 9426 535 65536 0 0 syz-executor4 [ 122.862014] [ 6493] 0 6493 9426 535 61440 0 0 syz-executor6 [ 122.871059] [ 6494] 0 6494 9426 536 57344 0 0 syz-executor7 [ 122.880102] [ 6495] 0 6495 9426 535 65536 0 0 syz-executor2 [ 122.889160] [ 6496] 0 6496 9426 535 61440 0 0 syz-executor1 [ 122.898231] [ 6509] 0 6509 9426 536 61440 0 0 syz-executor0 [ 122.907266] Memory cgroup out of memory: Kill process 6481 (syz-executor4) score 551000 or sacrifice child [ 122.917105] Killed process 6481 (syz-executor4) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 122.928521] syz-executor6 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 122.928720] oom_reaper: reaped process 6481 (syz-executor4), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 122.940424] syz-executor6 cpuset=/ mems_allowed=0 [ 122.955121] CPU: 0 PID: 6497 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 122.963518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.972864] Call Trace: [ 122.975453] dump_stack+0x1c9/0x2b4 [ 122.979070] ? dump_stack_print_info.cold.2+0x52/0x52 [ 122.984263] ? trace_hardirqs_on+0x10/0x10 [ 122.988486] dump_header+0x27b/0xf70 [ 122.992184] ? trace_hardirqs_on+0x10/0x10 [ 122.996416] ? __switch_to_asm+0x40/0x70 [ 123.000474] ? pagefault_out_of_memory+0x197/0x197 [ 123.005394] ? __switch_to_asm+0x40/0x70 [ 123.009461] ? __switch_to_asm+0x34/0x70 [ 123.013514] ? __switch_to_asm+0x40/0x70 [ 123.017556] ? __switch_to_asm+0x34/0x70 [ 123.021602] ? __switch_to_asm+0x40/0x70 [ 123.025669] ? __switch_to_asm+0x34/0x70 [ 123.029732] ? __switch_to_asm+0x40/0x70 [ 123.033801] ? trace_hardirqs_on+0x10/0x10 [ 123.038020] ? __schedule+0x884/0x1ec0 [ 123.041902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 123.047424] ? css_next_child+0x1c3/0x620 [ 123.051563] ? find_lock_task_mm+0x230/0x4d0 [ 123.055991] ? cgroup_get_tree+0xb20/0xb20 [ 123.060233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 123.065766] ? task_will_free_mem+0x239/0xb70 [ 123.070251] ? lock_downgrade+0x8f0/0x8f0 [ 123.074385] ? ___ratelimit+0x36f/0x655 [ 123.078346] ? lock_downgrade+0x8f0/0x8f0 [ 123.082497] ? kasan_check_read+0x11/0x20 [ 123.086650] ? do_raw_spin_unlock+0xa7/0x2f0 [ 123.091048] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 123.095619] ? do_raw_spin_lock+0x200/0x200 [ 123.099937] ? oom_kill_process+0x258/0x290 [ 123.104259] ? lock_downgrade+0x8f0/0x8f0 [ 123.108398] ? trace_hardirqs_on+0xd/0x10 [ 123.112539] ? ___ratelimit+0xaa/0x655 [ 123.116428] ? idr_get_free+0x10d0/0x10d0 [ 123.120585] ? kasan_check_write+0x14/0x20 [ 123.124818] ? do_raw_spin_lock+0xc1/0x200 [ 123.129048] oom_kill_process.cold.28+0x10/0x95a [ 123.133793] ? kasan_check_write+0x14/0x20 [ 123.138016] ? do_raw_spin_lock+0xc1/0x200 [ 123.142296] ? trace_hardirqs_on+0xd/0x10 [ 123.146471] ? oom_evaluate_task+0x540/0x540 [ 123.150875] ? cgroup_procs_next+0x70/0x70 [ 123.155100] ? trace_hardirqs_on+0xd/0x10 [ 123.159237] ? _raw_spin_unlock_irq+0x27/0x70 [ 123.163755] ? oom_badness+0xb00/0xb00 [ 123.167629] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 123.172371] ? mem_cgroup_iter_break+0x30/0x30 [ 123.176946] ? shrink_node+0x16a0/0x16a0 [ 123.180998] ? lock_acquire+0x1e4/0x540 [ 123.184971] ? cgroup_file_notify+0x226/0x2f0 [ 123.189451] out_of_memory+0xa8a/0x14d0 [ 123.193408] ? kasan_check_read+0x11/0x20 [ 123.197550] ? oom_killer_disable+0x3a0/0x3a0 [ 123.202051] ? kasan_check_write+0x14/0x20 [ 123.206276] ? do_raw_spin_lock+0xc1/0x200 [ 123.210500] mem_cgroup_out_of_memory+0x15e/0x210 [ 123.215325] ? memcg_memory_event+0x40/0x40 [ 123.219640] ? page_counter_try_charge+0x1c7/0x220 [ 123.224567] try_charge+0x720/0x1680 [ 123.228270] ? lock_acquire+0x1e4/0x540 [ 123.232238] ? fs_reclaim_acquire+0x20/0x20 [ 123.236574] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 123.243315] ? rcu_note_context_switch+0x730/0x730 [ 123.248327] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 123.253169] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 123.258177] memcg_kmem_charge_memcg+0x7c/0x120 [ 123.262847] ? memcg_kmem_put_cache+0xb0/0xb0 [ 123.267338] ? __free_pages+0x10a/0x190 [ 123.271302] cache_grow_begin+0x207/0x710 [ 123.275431] ? do_raw_spin_unlock+0xa7/0x2f0 [ 123.279838] fallback_alloc+0x203/0x2c0 [ 123.283808] ____cache_alloc_node+0x1c7/0x1e0 [ 123.288310] kmem_cache_alloc+0x1e5/0x760 [ 123.292467] ? lock_downgrade+0x8f0/0x8f0 [ 123.296611] ? shmem_destroy_callback+0xc0/0xc0 [ 123.301276] shmem_alloc_inode+0x1b/0x40 [ 123.305333] alloc_inode+0x63/0x190 [ 123.308946] new_inode_pseudo+0x71/0x1a0 [ 123.313004] ? prune_icache_sb+0x1c0/0x1c0 [ 123.317233] ? _raw_spin_unlock+0x22/0x30 [ 123.321380] new_inode+0x1c/0x40 [ 123.324732] shmem_get_inode+0xf1/0x910 [ 123.328695] ? shmem_encode_fh+0x340/0x340 [ 123.333261] ? lock_downgrade+0x8f0/0x8f0 [ 123.337404] ? lock_release+0xa30/0xa30 [ 123.341360] ? check_same_owner+0x340/0x340 [ 123.345678] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 123.350691] ? __check_object_size+0xa3/0x5d7 [ 123.355176] __shmem_file_setup.part.48+0x83/0x2a0 [ 123.360106] shmem_file_setup+0x65/0x90 [ 123.364076] __x64_sys_memfd_create+0x2af/0x4f0 [ 123.368748] ? memfd_fcntl+0x1e80/0x1e80 [ 123.372802] ? ksys_mount+0xa8/0x140 [ 123.376521] do_syscall_64+0x1b9/0x820 [ 123.380419] ? finish_task_switch+0x1d3/0x870 [ 123.384914] ? syscall_return_slowpath+0x5e0/0x5e0 [ 123.389851] ? syscall_return_slowpath+0x31d/0x5e0 [ 123.394778] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 123.399791] ? __switch_to_asm+0x34/0x70 [ 123.403868] ? __switch_to_asm+0x34/0x70 [ 123.407914] ? __switch_to_asm+0x40/0x70 [ 123.411974] ? __switch_to_asm+0x34/0x70 [ 123.416017] ? __switch_to_asm+0x40/0x70 [ 123.420071] ? __switch_to_asm+0x34/0x70 [ 123.424113] ? __switch_to_asm+0x40/0x70 [ 123.428159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 123.432994] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 123.438174] RIP: 0033:0x456b29 [ 123.441363] 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 [ 123.460265] RSP: 002b:00007ff9065d4a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 123.467987] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 123.475244] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 123.482517] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 123.489769] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 123.497030] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 123.504436] Task in /ile0 killed as a result of limit of /ile0 [ 123.510503] memory: usage 88kB, limit 0kB, failcnt 902 [ 123.515795] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 123.522556] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 123.528717] 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 [ 123.548175] Tasks state (memory values in pages): [ 123.553042] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 123.561883] [ 6480] 0 6480 9426 535 65536 0 0 syz-executor5 [ 123.570930] [ 6493] 0 6493 9426 535 61440 0 0 syz-executor6 [ 123.579979] [ 6494] 0 6494 9426 536 57344 0 0 syz-executor7 [ 123.589013] [ 6495] 0 6495 9426 535 65536 0 0 syz-executor2 [ 123.598042] [ 6496] 0 6496 9426 535 61440 0 0 syz-executor1 [ 123.607080] [ 6509] 0 6509 9426 536 61440 0 0 syz-executor0 [ 123.616114] Memory cgroup out of memory: Kill process 6480 (syz-executor5) score 551000 or sacrifice child [ 123.625947] Killed process 6480 (syz-executor5) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 123.636964] oom_reaper: reaped process 6480 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 123.646857] syz-executor7 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 123.658732] syz-executor7 cpuset=/ mems_allowed=0 [ 123.663612] CPU: 1 PID: 6498 Comm: syz-executor7 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 123.672013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 123.681359] Call Trace: [ 123.683940] dump_stack+0x1c9/0x2b4 [ 123.687565] ? dump_stack_print_info.cold.2+0x52/0x52 [ 123.692747] ? trace_hardirqs_on+0x10/0x10 [ 123.696984] dump_header+0x27b/0xf70 [ 123.700689] ? trace_hardirqs_on+0x10/0x10 [ 123.704928] ? __switch_to_asm+0x40/0x70 [ 123.708978] ? pagefault_out_of_memory+0x197/0x197 [ 123.713895] ? __switch_to_asm+0x40/0x70 [ 123.717956] ? __switch_to_asm+0x34/0x70 [ 123.722008] ? __switch_to_asm+0x40/0x70 [ 123.726055] ? __switch_to_asm+0x34/0x70 [ 123.730098] ? __switch_to_asm+0x40/0x70 [ 123.734143] ? __switch_to_asm+0x34/0x70 [ 123.738186] ? __switch_to_asm+0x40/0x70 [ 123.742257] ? trace_hardirqs_on+0x10/0x10 [ 123.746486] ? __schedule+0x884/0x1ec0 [ 123.750367] ? finish_task_switch+0x1d3/0x870 [ 123.754847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 123.760367] ? css_next_child+0x1c3/0x620 [ 123.764503] ? find_lock_task_mm+0x230/0x4d0 [ 123.768914] ? cgroup_get_tree+0xb20/0xb20 [ 123.773137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 123.778654] ? task_will_free_mem+0x239/0xb70 [ 123.783142] ? lock_downgrade+0x8f0/0x8f0 [ 123.787287] ? ___ratelimit+0x36f/0x655 [ 123.791260] ? lock_downgrade+0x8f0/0x8f0 [ 123.795410] ? kasan_check_read+0x11/0x20 [ 123.799552] ? do_raw_spin_unlock+0xa7/0x2f0 [ 123.803943] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 123.808507] ? do_raw_spin_lock+0x200/0x200 [ 123.812823] ? oom_kill_process+0x258/0x290 [ 123.817138] ? lock_downgrade+0x8f0/0x8f0 [ 123.821268] ? trace_hardirqs_on+0xd/0x10 [ 123.825419] ? ___ratelimit+0xaa/0x655 [ 123.829304] ? idr_get_free+0x10d0/0x10d0 [ 123.833432] ? kasan_check_write+0x14/0x20 [ 123.837646] ? do_raw_spin_lock+0xc1/0x200 [ 123.841867] oom_kill_process.cold.28+0x10/0x95a [ 123.846617] ? kasan_check_write+0x14/0x20 [ 123.850834] ? do_raw_spin_lock+0xc1/0x200 [ 123.855051] ? trace_hardirqs_on+0xd/0x10 [ 123.859182] ? oom_evaluate_task+0x540/0x540 [ 123.863584] ? cgroup_procs_next+0x70/0x70 [ 123.867825] ? trace_hardirqs_on+0xd/0x10 [ 123.871969] ? _raw_spin_unlock_irq+0x27/0x70 [ 123.876448] ? oom_badness+0xb00/0xb00 [ 123.880333] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 123.885095] ? mem_cgroup_iter_break+0x30/0x30 [ 123.889658] ? shrink_node+0x16a0/0x16a0 [ 123.893706] ? lock_acquire+0x1e4/0x540 [ 123.897664] ? cgroup_file_notify+0x226/0x2f0 [ 123.902146] out_of_memory+0xa8a/0x14d0 [ 123.906106] ? kasan_check_read+0x11/0x20 [ 123.910248] ? oom_killer_disable+0x3a0/0x3a0 [ 123.914729] ? kasan_check_write+0x14/0x20 [ 123.918956] ? do_raw_spin_lock+0xc1/0x200 [ 123.923221] mem_cgroup_out_of_memory+0x15e/0x210 [ 123.928064] ? memcg_memory_event+0x40/0x40 [ 123.932367] ? page_counter_try_charge+0x1c7/0x220 [ 123.937287] try_charge+0x720/0x1680 [ 123.941005] ? lock_acquire+0x1e4/0x540 [ 123.944984] ? fs_reclaim_acquire+0x20/0x20 [ 123.949324] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 123.956078] ? rcu_note_context_switch+0x730/0x730 [ 123.961002] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 123.965840] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 123.970863] memcg_kmem_charge_memcg+0x7c/0x120 [ 123.975527] ? memcg_kmem_put_cache+0xb0/0xb0 [ 123.980015] ? __free_pages+0x10a/0x190 [ 123.983986] cache_grow_begin+0x207/0x710 [ 123.988130] ? do_raw_spin_unlock+0xa7/0x2f0 [ 123.992618] fallback_alloc+0x203/0x2c0 [ 123.996595] ____cache_alloc_node+0x1c7/0x1e0 [ 124.001091] kmem_cache_alloc+0x1e5/0x760 [ 124.005240] ? lock_downgrade+0x8f0/0x8f0 [ 124.009388] ? shmem_destroy_callback+0xc0/0xc0 [ 124.014054] shmem_alloc_inode+0x1b/0x40 [ 124.018096] alloc_inode+0x63/0x190 [ 124.021718] new_inode_pseudo+0x71/0x1a0 [ 124.025774] ? prune_icache_sb+0x1c0/0x1c0 [ 124.030091] ? _raw_spin_unlock+0x22/0x30 [ 124.034247] new_inode+0x1c/0x40 [ 124.037616] shmem_get_inode+0xf1/0x910 [ 124.041599] ? shmem_encode_fh+0x340/0x340 [ 124.045824] ? lock_downgrade+0x8f0/0x8f0 [ 124.049955] ? lock_release+0xa30/0xa30 [ 124.053914] ? check_same_owner+0x340/0x340 [ 124.058230] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 124.063252] ? __check_object_size+0xa3/0x5d7 [ 124.067736] __shmem_file_setup.part.48+0x83/0x2a0 [ 124.072653] shmem_file_setup+0x65/0x90 [ 124.076616] __x64_sys_memfd_create+0x2af/0x4f0 [ 124.081280] ? memfd_fcntl+0x1e80/0x1e80 [ 124.085342] do_syscall_64+0x1b9/0x820 [ 124.089239] ? syscall_return_slowpath+0x5e0/0x5e0 [ 124.094154] ? syscall_return_slowpath+0x31d/0x5e0 [ 124.099080] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 124.104080] ? __switch_to_asm+0x34/0x70 [ 124.108125] ? __switch_to_asm+0x34/0x70 [ 124.112169] ? __switch_to_asm+0x40/0x70 [ 124.116222] ? __switch_to_asm+0x34/0x70 [ 124.120282] ? __switch_to_asm+0x34/0x70 [ 124.124339] ? __switch_to_asm+0x40/0x70 [ 124.128395] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 124.133255] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 124.138424] RIP: 0033:0x456b29 [ 124.141597] 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 [ 124.160485] RSP: 002b:00007fa0c3ddfa88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 124.168212] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 124.175493] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 124.182757] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 124.190023] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 124.197278] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 124.204969] Task in /ile0 killed as a result of limit of /ile0 [ 124.211023] memory: usage 88kB, limit 0kB, failcnt 1106 [ 124.216402] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 124.223169] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 124.229352] 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 [ 124.248807] Tasks state (memory values in pages): [ 124.253697] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 124.262552] [ 6480] 0 6480 9426 0 61440 0 0 syz-executor5 [ 124.271604] [ 6493] 0 6493 9426 535 61440 0 0 syz-executor6 [ 124.280660] [ 6494] 0 6494 9426 536 57344 0 0 syz-executor7 [ 124.289724] [ 6495] 0 6495 9426 535 65536 0 0 syz-executor2 [ 124.298786] [ 6496] 0 6496 9426 535 61440 0 0 syz-executor1 [ 124.307840] [ 6509] 0 6509 9426 536 61440 0 0 syz-executor0 [ 124.316882] Memory cgroup out of memory: Kill process 6495 (syz-executor2) score 551000 or sacrifice child [ 124.326729] Killed process 6495 (syz-executor2) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 124.337851] oom_reaper: reaped process 6495 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 124.344265] syz-executor6 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 124.358612] syz-executor6 cpuset=/ mems_allowed=0 [ 124.363495] CPU: 1 PID: 6493 Comm: syz-executor6 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 124.371904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 124.381248] Call Trace: [ 124.383823] dump_stack+0x1c9/0x2b4 [ 124.387433] ? dump_stack_print_info.cold.2+0x52/0x52 [ 124.392608] ? trace_hardirqs_on+0x10/0x10 [ 124.396844] dump_header+0x27b/0xf70 [ 124.400559] ? trace_hardirqs_on+0x10/0x10 [ 124.404792] ? pagefault_out_of_memory+0x197/0x197 [ 124.409708] ? __switch_to_asm+0x40/0x70 [ 124.413752] ? __switch_to_asm+0x34/0x70 [ 124.417824] ? __switch_to_asm+0x40/0x70 [ 124.421865] ? __switch_to_asm+0x34/0x70 [ 124.425916] ? __switch_to_asm+0x40/0x70 [ 124.429969] ? __switch_to_asm+0x34/0x70 [ 124.434023] ? __switch_to_asm+0x40/0x70 [ 124.438067] ? trace_hardirqs_on+0x10/0x10 [ 124.442286] ? __schedule+0x884/0x1ec0 [ 124.446162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 124.451703] ? css_next_child+0x1c3/0x620 [ 124.455835] ? find_lock_task_mm+0x230/0x4d0 [ 124.460243] ? cgroup_get_tree+0xb20/0xb20 [ 124.464464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 124.469990] ? task_will_free_mem+0x239/0xb70 [ 124.474472] ? lock_downgrade+0x8f0/0x8f0 [ 124.478602] ? ___ratelimit+0x36f/0x655 [ 124.482560] ? lock_downgrade+0x8f0/0x8f0 [ 124.486690] ? kasan_check_read+0x11/0x20 [ 124.490820] ? do_raw_spin_unlock+0xa7/0x2f0 [ 124.495218] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 124.499790] ? do_raw_spin_lock+0x200/0x200 [ 124.504093] ? oom_kill_process+0x258/0x290 [ 124.508399] ? lock_downgrade+0x8f0/0x8f0 [ 124.512527] ? trace_hardirqs_on+0xd/0x10 [ 124.516655] ? ___ratelimit+0xaa/0x655 [ 124.520524] ? idr_get_free+0x10d0/0x10d0 [ 124.524667] ? kasan_check_write+0x14/0x20 [ 124.528882] ? do_raw_spin_lock+0xc1/0x200 [ 124.533102] oom_kill_process.cold.28+0x10/0x95a [ 124.537840] ? kasan_check_write+0x14/0x20 [ 124.542070] ? do_raw_spin_lock+0xc1/0x200 [ 124.546300] ? trace_hardirqs_on+0xd/0x10 [ 124.550427] ? oom_evaluate_task+0x540/0x540 [ 124.554815] ? cgroup_procs_next+0x70/0x70 [ 124.559045] ? trace_hardirqs_on+0xd/0x10 [ 124.563174] ? _raw_spin_unlock_irq+0x27/0x70 [ 124.567669] ? oom_badness+0xb00/0xb00 [ 124.571541] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 124.576278] ? mem_cgroup_iter_break+0x30/0x30 [ 124.580853] ? shrink_node+0x16a0/0x16a0 [ 124.584906] ? lock_acquire+0x1e4/0x540 [ 124.588875] ? cgroup_file_notify+0x226/0x2f0 [ 124.593351] out_of_memory+0xa8a/0x14d0 [ 124.597320] ? kasan_check_read+0x11/0x20 [ 124.601467] ? oom_killer_disable+0x3a0/0x3a0 [ 124.605944] ? kasan_check_write+0x14/0x20 [ 124.610161] ? do_raw_spin_lock+0xc1/0x200 [ 124.614388] mem_cgroup_out_of_memory+0x15e/0x210 [ 124.619224] ? memcg_memory_event+0x40/0x40 [ 124.623547] ? page_counter_try_charge+0x1c7/0x220 [ 124.628457] try_charge+0x720/0x1680 [ 124.632167] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 124.638904] ? lock_downgrade+0x8f0/0x8f0 [ 124.643032] ? lock_release+0xa30/0xa30 [ 124.646992] ? __anon_vma_prepare+0xc4/0x720 [ 124.651393] ? handle_mm_fault+0x53e/0xc80 [ 124.655625] ? fs_reclaim_acquire+0x20/0x20 [ 124.659936] ? lock_downgrade+0x8f0/0x8f0 [ 124.664074] ? percpu_ref_put_many+0x119/0x240 [ 124.668638] ? get_mem_cgroup_from_mm+0x209/0x440 [ 124.673464] ? get_mem_cgroup_from_page+0x190/0x190 [ 124.678499] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 124.683321] ? lock_acquire+0x1e4/0x540 [ 124.687277] mem_cgroup_try_charge+0x4ff/0xa70 [ 124.691843] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 124.696840] ? mem_cgroup_protected+0xa60/0xa60 [ 124.701492] ? up_write+0x7b/0x220 [ 124.705016] ? up_read+0x110/0x110 [ 124.708542] ? __anon_vma_prepare+0x36d/0x720 [ 124.713019] ? pmd_val+0x88/0x100 [ 124.716470] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 124.722015] mem_cgroup_try_charge_delay+0x1d/0x90 [ 124.726934] __handle_mm_fault+0x25be/0x4470 [ 124.731324] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 124.736146] ? cap_mmap_addr+0x52/0x130 [ 124.740103] ? userfaultfd_unmap_complete+0x32a/0x510 [ 124.745286] ? security_mmap_addr+0x80/0xa0 [ 124.749605] ? lock_acquire+0x1e4/0x540 [ 124.753575] ? handle_mm_fault+0x417/0xc80 [ 124.757792] ? lock_downgrade+0x8f0/0x8f0 [ 124.761920] ? lock_release+0xa30/0xa30 [ 124.765878] ? lock_release+0xa30/0xa30 [ 124.769834] ? down_read_killable+0x200/0x200 [ 124.774335] ? mem_cgroup_from_task+0xcb/0x1f0 [ 124.778910] ? get_mctgt_type+0xde0/0xde0 [ 124.783044] handle_mm_fault+0x53e/0xc80 [ 124.787087] ? __handle_mm_fault+0x4470/0x4470 [ 124.791655] ? find_vma+0x34/0x190 [ 124.795191] __do_page_fault+0x620/0xe50 [ 124.799277] ? mm_fault_error+0x380/0x380 [ 124.803407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 124.808941] ? __x64_sys_clock_gettime+0x170/0x250 [ 124.813855] ? __ia32_sys_clock_settime+0x290/0x290 [ 124.818858] do_page_fault+0xf6/0x8c0 [ 124.822643] ? vmalloc_sync_all+0x30/0x30 [ 124.826783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 124.832311] ? do_syscall_64+0x497/0x820 [ 124.836353] ? syscall_return_slowpath+0x5e0/0x5e0 [ 124.841271] ? syscall_return_slowpath+0x31d/0x5e0 [ 124.846204] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 124.851227] ? prepare_exit_to_usermode+0x291/0x3b0 [ 124.856259] ? page_fault+0x8/0x30 [ 124.859791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 124.864632] ? page_fault+0x8/0x30 [ 124.868153] page_fault+0x1e/0x30 [ 124.871584] RIP: 0033:0x40e33f [ 124.874768] 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 [ 124.893685] RSP: 002b:00007ffebbce53a0 EFLAGS: 00010206 [ 124.899035] RAX: 00007ff906594000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 124.906302] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 124.913562] RBP: 00007ffebbce5480 R08: ffffffffffffffff R09: 0000000000000000 [ 124.920812] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffebbce5570 [ 124.928068] R13: 00007ff9065b4700 R14: 0000000000000005 R15: 0000000000000001 [ 124.936071] Task in /ile0 killed as a result of limit of /ile0 [ 124.942098] memory: usage 104kB, limit 0kB, failcnt 1150 [ 124.947565] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 124.954343] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 124.960521] 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 [ 124.979987] Tasks state (memory values in pages): [ 124.984850] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 124.993751] [ 6493] 0 6493 9426 535 61440 0 0 syz-executor6 [ 125.002802] [ 6494] 0 6494 9426 536 57344 0 0 syz-executor7 [ 125.011857] [ 6496] 0 6496 9426 535 61440 0 0 syz-executor1 [ 125.020893] [ 6509] 0 6509 9426 536 61440 0 0 syz-executor0 [ 125.029924] Memory cgroup out of memory: Kill process 6509 (syz-executor0) score 551000 or sacrifice child [ 125.039736] Killed process 6509 (syz-executor0) total-vm:37704kB, anon-rss:2144kB, file-rss:0kB, shmem-rss:0kB [ 125.050825] oom_reaper: reaped process 6509 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 125.051796] syz-executor1 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 125.072582] syz-executor1 cpuset=/ mems_allowed=0 [ 125.077481] CPU: 1 PID: 6508 Comm: syz-executor1 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 125.086009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.095355] Call Trace: [ 125.097945] dump_stack+0x1c9/0x2b4 [ 125.101576] ? dump_stack_print_info.cold.2+0x52/0x52 [ 125.106767] ? trace_hardirqs_on+0x10/0x10 [ 125.111023] dump_header+0x27b/0xf70 [ 125.114754] ? pagefault_out_of_memory+0x197/0x197 [ 125.119687] ? do_raw_spin_unlock+0xa7/0x2f0 [ 125.124095] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 125.128683] ? compat_start_thread+0x80/0x80 [ 125.133092] ? trace_hardirqs_on+0x10/0x10 [ 125.137324] ? kasan_check_write+0x14/0x20 [ 125.141558] ? finish_task_switch+0x2ca/0x870 [ 125.146055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 125.151592] ? css_next_child+0x1c3/0x620 [ 125.155748] ? find_lock_task_mm+0x230/0x4d0 [ 125.160155] ? cgroup_get_tree+0xb20/0xb20 [ 125.164389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 125.169935] ? task_will_free_mem+0x239/0xb70 [ 125.174433] ? lock_downgrade+0x8f0/0x8f0 [ 125.178585] ? ___ratelimit+0x36f/0x655 [ 125.182556] ? lock_downgrade+0x8f0/0x8f0 [ 125.186704] ? kasan_check_read+0x11/0x20 [ 125.190849] ? do_raw_spin_unlock+0xa7/0x2f0 [ 125.195261] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 125.199845] ? do_raw_spin_lock+0x200/0x200 [ 125.204164] ? oom_kill_process+0x258/0x290 [ 125.208484] ? lock_downgrade+0x8f0/0x8f0 [ 125.212629] ? oom_unkillable_task+0x424/0x590 [ 125.217213] ? trace_hardirqs_on+0xd/0x10 [ 125.221367] ? ___ratelimit+0xaa/0x655 [ 125.225256] ? idr_get_free+0x10d0/0x10d0 [ 125.229401] ? kasan_check_write+0x14/0x20 [ 125.233633] ? do_raw_spin_lock+0xc1/0x200 [ 125.237869] oom_kill_process.cold.28+0x10/0x95a [ 125.242624] ? kasan_check_write+0x14/0x20 [ 125.246853] ? do_raw_spin_lock+0xc1/0x200 [ 125.251088] ? trace_hardirqs_on+0xd/0x10 [ 125.255232] ? oom_evaluate_task+0x540/0x540 [ 125.259645] ? cgroup_procs_next+0x70/0x70 [ 125.263877] ? trace_hardirqs_on+0xd/0x10 [ 125.268024] ? _raw_spin_unlock_irq+0x27/0x70 [ 125.272518] ? oom_badness+0xb00/0xb00 [ 125.276413] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 125.281167] ? mem_cgroup_iter_break+0x30/0x30 [ 125.285746] ? shrink_node+0x16a0/0x16a0 [ 125.289814] ? lock_acquire+0x1e4/0x540 [ 125.293814] ? cgroup_file_notify+0x226/0x2f0 [ 125.298311] out_of_memory+0xa8a/0x14d0 [ 125.302286] ? kasan_check_read+0x11/0x20 [ 125.306434] ? oom_killer_disable+0x3a0/0x3a0 [ 125.310926] ? kasan_check_write+0x14/0x20 [ 125.315164] ? do_raw_spin_lock+0xc1/0x200 [ 125.319401] mem_cgroup_out_of_memory+0x15e/0x210 [ 125.324247] ? memcg_memory_event+0x40/0x40 [ 125.328578] ? page_counter_try_charge+0x1c7/0x220 [ 125.333515] try_charge+0x720/0x1680 [ 125.337245] ? lock_acquire+0x1e4/0x540 [ 125.341221] ? fs_reclaim_acquire+0x20/0x20 [ 125.345559] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 125.352314] ? rcu_note_context_switch+0x730/0x730 [ 125.357250] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 125.362094] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 125.367119] memcg_kmem_charge_memcg+0x7c/0x120 [ 125.371790] ? memcg_kmem_put_cache+0xb0/0xb0 [ 125.376283] ? __free_pages+0x10a/0x190 [ 125.380259] cache_grow_begin+0x207/0x710 [ 125.384407] ? do_raw_spin_unlock+0xa7/0x2f0 [ 125.388824] fallback_alloc+0x203/0x2c0 [ 125.392802] ____cache_alloc_node+0x1c7/0x1e0 [ 125.397300] kmem_cache_alloc+0x1e5/0x760 [ 125.401447] ? lock_downgrade+0x8f0/0x8f0 [ 125.405598] ? shmem_destroy_callback+0xc0/0xc0 [ 125.410272] shmem_alloc_inode+0x1b/0x40 [ 125.414340] alloc_inode+0x63/0x190 [ 125.417961] new_inode_pseudo+0x71/0x1a0 [ 125.422016] ? prune_icache_sb+0x1c0/0x1c0 [ 125.426254] ? _raw_spin_unlock+0x22/0x30 [ 125.430403] new_inode+0x1c/0x40 [ 125.433772] shmem_get_inode+0xf1/0x910 [ 125.437749] ? shmem_encode_fh+0x340/0x340 [ 125.441994] ? lock_downgrade+0x8f0/0x8f0 [ 125.446140] ? lock_release+0xa30/0xa30 [ 125.450113] ? check_same_owner+0x340/0x340 [ 125.454434] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 125.459443] ? __check_object_size+0xa3/0x5d7 [ 125.463945] __shmem_file_setup.part.48+0x83/0x2a0 [ 125.468882] shmem_file_setup+0x65/0x90 [ 125.472856] __x64_sys_memfd_create+0x2af/0x4f0 [ 125.477524] ? memfd_fcntl+0x1e80/0x1e80 [ 125.481592] do_syscall_64+0x1b9/0x820 [ 125.485491] ? finish_task_switch+0x1d3/0x870 [ 125.489983] ? syscall_return_slowpath+0x5e0/0x5e0 [ 125.494914] ? syscall_return_slowpath+0x31d/0x5e0 [ 125.499850] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 125.504873] ? __switch_to_asm+0x34/0x70 [ 125.508928] ? __switch_to_asm+0x34/0x70 [ 125.512994] ? __switch_to_asm+0x40/0x70 [ 125.517050] ? __switch_to_asm+0x34/0x70 [ 125.521108] ? __switch_to_asm+0x40/0x70 [ 125.525167] ? __switch_to_asm+0x34/0x70 [ 125.529227] ? __switch_to_asm+0x40/0x70 [ 125.533304] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 125.538160] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 125.543344] RIP: 0033:0x456b29 [ 125.546538] 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 [ 125.565438] RSP: 002b:00007f4966afea88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 125.573151] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 125.580419] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 125.587681] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 125.594949] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 125.602218] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 125.609569] Task in /ile0 killed as a result of limit of /ile0 [ 125.615593] memory: usage 108kB, limit 0kB, failcnt 1182 [ 125.621081] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 125.627866] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 125.634028] 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 [ 125.653510] Tasks state (memory values in pages): [ 125.658373] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 125.667273] [ 6493] 0 6493 9426 535 61440 0 0 syz-executor6 [ 125.676315] [ 6494] 0 6494 9426 536 57344 0 0 syz-executor7 [ 125.685363] [ 6496] 0 6496 9426 535 61440 0 0 syz-executor1 [ 125.694409] Memory cgroup out of memory: Kill process 6493 (syz-executor6) score 550000 or sacrifice child [ 125.704245] Killed process 6493 (syz-executor6) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 125.717093] oom_reaper: reaped process 6493 (syz-executor6), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 125.796171] syz-executor1 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 125.808122] syz-executor1 cpuset=/ mems_allowed=0 [ 125.813622] CPU: 1 PID: 6522 Comm: syz-executor1 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 125.822031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.831385] Call Trace: [ 125.833995] dump_stack+0x1c9/0x2b4 [ 125.837625] ? dump_stack_print_info.cold.2+0x52/0x52 [ 125.842819] dump_header+0x27b/0xf70 [ 125.846532] ? finish_task_switch+0x1d3/0x870 [ 125.851032] ? trace_hardirqs_on+0x10/0x10 [ 125.855276] ? pagefault_out_of_memory+0x197/0x197 [ 125.860205] ? do_raw_spin_unlock+0xa7/0x2f0 [ 125.864622] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 125.869195] ? compat_start_thread+0x80/0x80 [ 125.873599] ? trace_hardirqs_on+0x10/0x10 [ 125.877817] ? trace_hardirqs_on+0xd/0x10 [ 125.881947] ? _raw_spin_unlock_irq+0x27/0x70 [ 125.886439] ? trace_hardirqs_on+0x10/0x10 [ 125.890679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 125.896201] ? css_next_child+0x1c3/0x620 [ 125.900360] ? find_lock_task_mm+0x230/0x4d0 [ 125.904749] ? cgroup_get_tree+0xb20/0xb20 [ 125.908978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 125.914522] ? task_will_free_mem+0x239/0xb70 [ 125.919013] ? lock_downgrade+0x8f0/0x8f0 [ 125.923142] ? ___ratelimit+0x36f/0x655 [ 125.927110] ? lock_downgrade+0x8f0/0x8f0 [ 125.931258] ? kasan_check_read+0x11/0x20 [ 125.935411] ? do_raw_spin_unlock+0xa7/0x2f0 [ 125.939822] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 125.944397] ? do_raw_spin_lock+0x200/0x200 [ 125.948720] ? oom_kill_process+0x258/0x290 [ 125.953035] ? lock_downgrade+0x8f0/0x8f0 [ 125.957172] ? trace_hardirqs_on+0xd/0x10 [ 125.961305] ? ___ratelimit+0xaa/0x655 [ 125.965182] ? idr_get_free+0x10d0/0x10d0 [ 125.969323] ? kasan_check_write+0x14/0x20 [ 125.973542] ? do_raw_spin_lock+0xc1/0x200 [ 125.977764] oom_kill_process.cold.28+0x10/0x95a [ 125.982506] ? kasan_check_write+0x14/0x20 [ 125.986742] ? do_raw_spin_lock+0xc1/0x200 [ 125.990959] ? trace_hardirqs_on+0xd/0x10 [ 125.995090] ? oom_evaluate_task+0x540/0x540 [ 125.999480] ? cgroup_procs_next+0x70/0x70 [ 126.003707] ? trace_hardirqs_on+0xd/0x10 [ 126.007852] ? _raw_spin_unlock_irq+0x27/0x70 [ 126.012345] ? oom_badness+0xb00/0xb00 [ 126.016232] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 126.020977] ? mem_cgroup_iter_break+0x30/0x30 [ 126.025549] ? shrink_node+0x16a0/0x16a0 [ 126.029609] ? lock_acquire+0x1e4/0x540 [ 126.033575] ? cgroup_file_notify+0x226/0x2f0 [ 126.038055] out_of_memory+0xa8a/0x14d0 [ 126.042014] ? kasan_check_read+0x11/0x20 [ 126.046163] ? oom_killer_disable+0x3a0/0x3a0 [ 126.050647] ? kasan_check_write+0x14/0x20 [ 126.054870] ? do_raw_spin_lock+0xc1/0x200 [ 126.059089] ? trace_hardirqs_on+0xd/0x10 [ 126.063230] mem_cgroup_out_of_memory+0x15e/0x210 [ 126.068089] ? memcg_memory_event+0x40/0x40 [ 126.072396] ? page_counter_try_charge+0x1c7/0x220 [ 126.077319] try_charge+0x720/0x1680 [ 126.081033] ? lock_acquire+0x1e4/0x540 [ 126.085006] ? fs_reclaim_acquire+0x20/0x20 [ 126.089339] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 126.096089] ? rcu_note_context_switch+0x730/0x730 [ 126.101018] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 126.105845] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 126.110855] memcg_kmem_charge_memcg+0x7c/0x120 [ 126.115504] ? memcg_kmem_put_cache+0xb0/0xb0 [ 126.119984] ? __free_pages+0x10a/0x190 [ 126.123947] cache_grow_begin+0x207/0x710 [ 126.128082] ? do_raw_spin_unlock+0xa7/0x2f0 [ 126.132485] fallback_alloc+0x203/0x2c0 [ 126.136454] ____cache_alloc_node+0x1c7/0x1e0 [ 126.140932] kmem_cache_alloc+0x1e5/0x760 [ 126.145078] ? trace_hardirqs_on+0x10/0x10 [ 126.149295] __alloc_file+0xac/0x400 [ 126.152998] ? file_free_rcu+0x90/0x90 [ 126.156933] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 126.161942] ? bpf_prog_kallsyms_find+0xde/0x4c0 [ 126.166694] ? lock_acquire+0x1e4/0x540 [ 126.170665] ? is_bpf_text_address+0xae/0x170 [ 126.175153] ? lock_downgrade+0x8f0/0x8f0 [ 126.179287] alloc_empty_file+0x72/0x170 [ 126.183333] path_openat+0x15f/0x5300 [ 126.187117] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 126.191818] ? is_bpf_text_address+0xd7/0x170 [ 126.196316] ? kernel_text_address+0x79/0xf0 [ 126.200964] ? __kernel_text_address+0xd/0x40 [ 126.205457] ? path_lookupat.isra.45+0xc00/0xc00 [ 126.210205] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 126.215225] ? expand_files.part.8+0x571/0x9c0 [ 126.219810] ? iterate_fd+0x4b0/0x4b0 [ 126.223595] ? lock_acquire+0x1e4/0x540 [ 126.227554] ? __alloc_fd+0x34e/0x710 [ 126.231350] ? lock_downgrade+0x8f0/0x8f0 [ 126.235485] ? do_sys_open+0x3a2/0x720 [ 126.239368] ? kasan_check_read+0x11/0x20 [ 126.243524] ? do_raw_spin_unlock+0xa7/0x2f0 [ 126.247938] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 126.252526] ? kasan_check_write+0x14/0x20 [ 126.256757] ? do_raw_spin_lock+0xc1/0x200 [ 126.260980] ? _raw_spin_unlock+0x22/0x30 [ 126.265122] ? __alloc_fd+0x34e/0x710 [ 126.268901] ? usercopy_warn+0x120/0x120 [ 126.272964] do_filp_open+0x255/0x380 [ 126.276764] ? may_open_dev+0x100/0x100 [ 126.280736] ? get_unused_fd_flags+0x122/0x1a0 [ 126.285301] ? __alloc_fd+0x710/0x710 [ 126.289095] do_sys_open+0x584/0x720 [ 126.292806] ? filp_open+0x80/0x80 [ 126.296336] ? do_sys_ftruncate+0x44e/0x560 [ 126.300639] __x64_sys_open+0x7e/0xc0 [ 126.304436] do_syscall_64+0x1b9/0x820 [ 126.308313] ? syscall_slow_exit_work+0x500/0x500 [ 126.313150] ? syscall_return_slowpath+0x5e0/0x5e0 [ 126.318075] ? syscall_return_slowpath+0x31d/0x5e0 [ 126.322997] ? prepare_exit_to_usermode+0x291/0x3b0 [ 126.328003] ? perf_trace_sys_enter+0xb10/0xb10 [ 126.332652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 126.337487] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 126.342679] RIP: 0033:0x410861 [ 126.345874] 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 [ 126.364767] RSP: 002b:00007f4966afea80 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 126.372474] RAX: ffffffffffffffda RBX: 0000000020000750 RCX: 0000000000410861 [ 126.379736] RDX: 00007f4966afeafa RSI: 0000000000000002 RDI: 00007f4966afeaf0 [ 126.387007] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a [ 126.394265] R10: 0000000000000075 R11: 0000000000000293 R12: 0000000000000005 [ 126.401528] R13: 0000000000000000 R14: 00000000004c9491 R15: 0000000000000000 [ 126.408853] Task in /ile0 killed as a result of limit of /ile0 [ 126.414938] memory: usage 120kB, limit 0kB, failcnt 1228 [ 126.420418] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 126.427200] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 126.433388] 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 [ 126.452797] Tasks state (memory values in pages): [ 126.457659] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 126.466561] [ 6519] 0 6519 9426 535 61440 0 0 syz-executor1 [ 126.475605] [ 6527] 0 6527 9426 535 65536 0 0 syz-executor2 [ 126.484667] Memory cgroup out of memory: Kill process 6519 (syz-executor1) score 550000 or sacrifice child [ 126.494500] Killed process 6519 (syz-executor1) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 126.505596] oom_reaper: reaped process 6519 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 126.515604] syz-executor2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 126.526498] syz-executor2 cpuset=/ mems_allowed=0 [ 126.531370] CPU: 0 PID: 6527 Comm: syz-executor2 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 126.539757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 126.549087] Call Trace: [ 126.551665] dump_stack+0x1c9/0x2b4 [ 126.555280] ? dump_stack_print_info.cold.2+0x52/0x52 [ 126.560462] ? trace_hardirqs_on+0x10/0x10 [ 126.564689] dump_header+0x27b/0xf70 [ 126.568395] ? trace_hardirqs_on+0x10/0x10 [ 126.572625] ? __switch_to_asm+0x40/0x70 [ 126.576690] ? pagefault_out_of_memory+0x197/0x197 [ 126.581622] ? __switch_to_asm+0x40/0x70 [ 126.585678] ? __switch_to_asm+0x34/0x70 [ 126.589722] ? __switch_to_asm+0x40/0x70 [ 126.593779] ? __switch_to_asm+0x34/0x70 [ 126.597834] ? __switch_to_asm+0x40/0x70 [ 126.601878] ? __switch_to_asm+0x34/0x70 [ 126.605927] ? __switch_to_asm+0x40/0x70 [ 126.609993] ? trace_hardirqs_on+0x10/0x10 [ 126.614228] ? __schedule+0x884/0x1ec0 [ 126.618109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 126.623641] ? css_next_child+0x1c3/0x620 [ 126.627768] ? find_lock_task_mm+0x230/0x4d0 [ 126.632157] ? cgroup_get_tree+0xb20/0xb20 [ 126.636383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 126.641904] ? task_will_free_mem+0x239/0xb70 [ 126.646383] ? lock_downgrade+0x8f0/0x8f0 [ 126.650514] ? ___ratelimit+0x36f/0x655 [ 126.654473] ? lock_downgrade+0x8f0/0x8f0 [ 126.658605] ? kasan_check_read+0x11/0x20 [ 126.662758] ? do_raw_spin_unlock+0xa7/0x2f0 [ 126.667159] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 126.671725] ? do_raw_spin_lock+0x200/0x200 [ 126.676030] ? oom_kill_process+0x258/0x290 [ 126.680346] ? lock_downgrade+0x8f0/0x8f0 [ 126.684486] ? trace_hardirqs_on+0xd/0x10 [ 126.688612] ? ___ratelimit+0xaa/0x655 [ 126.692479] ? idr_get_free+0x10d0/0x10d0 [ 126.696607] ? kasan_check_write+0x14/0x20 [ 126.700840] ? do_raw_spin_lock+0xc1/0x200 [ 126.705066] oom_kill_process.cold.28+0x10/0x95a [ 126.709803] ? kasan_check_write+0x14/0x20 [ 126.714016] ? do_raw_spin_lock+0xc1/0x200 [ 126.718239] ? trace_hardirqs_on+0xd/0x10 [ 126.722373] ? oom_evaluate_task+0x540/0x540 [ 126.726760] ? cgroup_procs_next+0x70/0x70 [ 126.730979] ? trace_hardirqs_on+0xd/0x10 [ 126.735108] ? _raw_spin_unlock_irq+0x27/0x70 [ 126.739586] ? oom_badness+0xb00/0xb00 [ 126.743464] ? mem_cgroup_scan_tasks+0x1c3/0x1e0 [ 126.748222] ? mem_cgroup_iter_break+0x30/0x30 [ 126.752795] ? shrink_node+0x16a0/0x16a0 [ 126.756839] ? lock_acquire+0x1e4/0x540 [ 126.760797] ? cgroup_file_notify+0x226/0x2f0 [ 126.765275] out_of_memory+0xa8a/0x14d0 [ 126.769234] ? kasan_check_read+0x11/0x20 [ 126.773363] ? oom_killer_disable+0x3a0/0x3a0 [ 126.777837] ? kasan_check_write+0x14/0x20 [ 126.782051] ? do_raw_spin_lock+0xc1/0x200 [ 126.786270] mem_cgroup_out_of_memory+0x15e/0x210 [ 126.791095] ? memcg_memory_event+0x40/0x40 [ 126.795399] ? page_counter_try_charge+0x1c7/0x220 [ 126.800312] try_charge+0x720/0x1680 [ 126.804022] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 126.810768] ? lock_downgrade+0x8f0/0x8f0 [ 126.814910] ? lock_release+0xa30/0xa30 [ 126.818885] ? __anon_vma_prepare+0xc4/0x720 [ 126.823287] ? handle_mm_fault+0x53e/0xc80 [ 126.827518] ? fs_reclaim_acquire+0x20/0x20 [ 126.831822] ? lock_downgrade+0x8f0/0x8f0 [ 126.835950] ? percpu_ref_put_many+0x119/0x240 [ 126.840513] ? get_mem_cgroup_from_mm+0x209/0x440 [ 126.845335] ? get_mem_cgroup_from_page+0x190/0x190 [ 126.850337] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 126.855162] ? lock_acquire+0x1e4/0x540 [ 126.859129] mem_cgroup_try_charge+0x4ff/0xa70 [ 126.863706] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 126.868723] ? mem_cgroup_protected+0xa60/0xa60 [ 126.873383] ? up_write+0x7b/0x220 [ 126.876915] ? up_read+0x110/0x110 [ 126.880438] ? __anon_vma_prepare+0x36d/0x720 [ 126.884919] ? pmd_val+0x88/0x100 [ 126.888368] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 126.893892] mem_cgroup_try_charge_delay+0x1d/0x90 [ 126.898802] __handle_mm_fault+0x25be/0x4470 [ 126.903194] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 126.908028] ? cap_mmap_addr+0x52/0x130 [ 126.911983] ? userfaultfd_unmap_complete+0x32a/0x510 [ 126.917152] ? security_mmap_addr+0x80/0xa0 [ 126.921456] ? lock_acquire+0x1e4/0x540 [ 126.925411] ? handle_mm_fault+0x417/0xc80 [ 126.929625] ? lock_downgrade+0x8f0/0x8f0 [ 126.933765] ? lock_release+0xa30/0xa30 [ 126.937721] ? lock_release+0xa30/0xa30 [ 126.941686] ? down_read_killable+0x200/0x200 [ 126.946161] ? mem_cgroup_from_task+0xcb/0x1f0 [ 126.950722] ? get_mctgt_type+0xde0/0xde0 [ 126.954875] handle_mm_fault+0x53e/0xc80 [ 126.958928] ? __handle_mm_fault+0x4470/0x4470 [ 126.963492] ? find_vma+0x34/0x190 [ 126.967029] __do_page_fault+0x620/0xe50 [ 126.971079] ? mm_fault_error+0x380/0x380 [ 126.975226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 126.980756] ? __x64_sys_clock_gettime+0x170/0x250 [ 126.985675] ? __ia32_sys_clock_settime+0x290/0x290 [ 126.990681] do_page_fault+0xf6/0x8c0 [ 126.994474] ? vmalloc_sync_all+0x30/0x30 [ 126.998614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 127.004313] ? do_syscall_64+0x497/0x820 [ 127.008377] ? syscall_return_slowpath+0x5e0/0x5e0 [ 127.013295] ? syscall_return_slowpath+0x31d/0x5e0 [ 127.018215] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 127.023243] ? prepare_exit_to_usermode+0x291/0x3b0 [ 127.028251] ? page_fault+0x8/0x30 [ 127.031792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 127.036640] ? page_fault+0x8/0x30 [ 127.040164] page_fault+0x1e/0x30 [ 127.043604] RIP: 0033:0x40e33f [ 127.046802] 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 [ 127.065707] RSP: 002b:00007fffee2223e0 EFLAGS: 00010206 [ 127.071055] RAX: 00007f91f0ec4000 RBX: 0000000000020000 RCX: 0000000000456b7a [ 127.078304] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 127.085555] RBP: 00007fffee2224c0 R08: ffffffffffffffff R09: 0000000000000000 [ 127.092805] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffee2225b0 [ 127.100068] R13: 00007f91f0ee4700 R14: 0000000000000005 R15: 0000000000000001 [ 127.108108] Task in /ile0 killed as a result of limit of /ile0 [ 127.114134] memory: usage 124kB, limit 0kB, failcnt 1391 [ 127.119595] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 127.126357] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 127.132506] 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 [ 127.151962] Tasks state (memory values in pages): [ 127.156820] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 127.165686] [ 6519] 0 6519 9426 0 57344 0 0 syz-executor1 [ 127.174744] [ 6527] 0 6527 9426 535 65536 0 0 syz-executor2 [ 127.183804] Memory cgroup out of memory: Kill process 6527 (syz-executor2) score 551000 or sacrifice child 2018/08/05 08:05:10 executed programs: 34 [ 127.193638] Killed process 6527 (syz-executor2) total-vm:37704kB, anon-rss:2140kB, file-rss:0kB, shmem-rss:0kB [ 127.204786] oom_reaper: reaped process 6527 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 127.214660] ------------[ cut here ]------------ [ 127.218345] oom_reaper: reaped process 6532 (syz-executor3), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 127.219447] Memory cgroup charge failed because of no reclaimable memory! This looks like a misconfiguration or a kernel bug. [ 127.219613] WARNING: CPU: 1 PID: 6536 at mm/memcontrol.c:1705 try_charge+0x734/0x1680 [ 127.231151] oom_reaper: reaped process 6518 (syz-executor0), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 127.240686] Kernel panic - not syncing: panic_on_warn set ... [ 127.240686] [ 127.240702] CPU: 1 PID: 6536 Comm: syz-executor2 Not tainted 4.18.0-rc7-next-20180803+ #31 [ 127.240709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.240713] Call Trace: [ 127.240732] dump_stack+0x1c9/0x2b4 [ 127.240747] ? dump_stack_print_info.cold.2+0x52/0x52 [ 127.240766] panic+0x238/0x4e7 [ 127.298030] ? add_taint.cold.5+0x16/0x16 [ 127.302167] ? __warn.cold.8+0x148/0x1ba [ 127.306239] ? __warn.cold.8+0x117/0x1ba [ 127.310293] ? try_charge+0x734/0x1680 [ 127.314160] __warn.cold.8+0x163/0x1ba [ 127.318062] ? try_charge+0x734/0x1680 [ 127.321932] report_bug+0x252/0x2d0 [ 127.325549] do_error_trap+0x1fc/0x4d0 [ 127.329432] ? out_of_memory+0x54a/0x14d0 [ 127.333561] ? math_error+0x3e0/0x3e0 [ 127.337345] ? vprintk_default+0x28/0x30 [ 127.341391] ? printk+0xa7/0xcf [ 127.344661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 127.349498] do_invalid_op+0x1b/0x20 [ 127.353213] invalid_op+0x14/0x20 [ 127.356669] RIP: 0010:try_charge+0x734/0x1680 [ 127.361144] 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 7c 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 [ 127.380033] RSP: 0018:ffff8801a8637620 EFLAGS: 00010286 [ 127.385384] RAX: 0000000000000000 RBX: ffff8801cbb5c980 RCX: 0000000000000000 [ 127.392640] RDX: 0000000000000000 RSI: ffffffff816366f1 RDI: ffff8801a8637310 [ 127.399902] RBP: ffff8801a86378b0 R08: ffff8801b23001c0 R09: fffffbfff0ff11fc [ 127.407152] R10: fffffbfff0ff11fc R11: ffffffff87f88fe3 R12: dffffc0000000000 [ 127.414403] R13: ffff8801a8637888 R14: 0000000000000000 R15: ffff8801cbb5c980 [ 127.421664] ? vprintk_func+0x81/0x117 [ 127.425546] ? lock_acquire+0x1e4/0x540 [ 127.429505] ? fs_reclaim_acquire+0x20/0x20 [ 127.433811] ? __mem_cgroup_largest_soft_limit_node.part.64+0x7f0/0x7f0 [ 127.440547] ? rcu_note_context_switch+0x730/0x730 [ 127.445462] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 127.450291] ? __alloc_pages_slowpath+0x2d60/0x2d60 [ 127.455295] memcg_kmem_charge_memcg+0x7c/0x120 [ 127.459962] ? memcg_kmem_put_cache+0xb0/0xb0 [ 127.464452] ? __free_pages+0x10a/0x190 [ 127.468413] cache_grow_begin+0x207/0x710 [ 127.472546] ? do_raw_spin_unlock+0xa7/0x2f0 [ 127.476948] fallback_alloc+0x203/0x2c0 [ 127.480919] ____cache_alloc_node+0x1c7/0x1e0 [ 127.485399] kmem_cache_alloc+0x1e5/0x760 [ 127.489531] ? lock_downgrade+0x8f0/0x8f0 [ 127.493669] ? shmem_destroy_callback+0xc0/0xc0 [ 127.498319] shmem_alloc_inode+0x1b/0x40 [ 127.502368] alloc_inode+0x63/0x190 [ 127.505989] new_inode_pseudo+0x71/0x1a0 [ 127.510032] ? prune_icache_sb+0x1c0/0x1c0 [ 127.514264] ? _raw_spin_unlock+0x22/0x30 [ 127.518412] new_inode+0x1c/0x40 [ 127.521771] shmem_get_inode+0xf1/0x910 [ 127.525741] ? shmem_encode_fh+0x340/0x340 [ 127.529958] ? lock_downgrade+0x8f0/0x8f0 [ 127.534088] ? lock_release+0xa30/0xa30 [ 127.538053] ? check_same_owner+0x340/0x340 [ 127.542383] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 127.547380] ? __check_object_size+0xa3/0x5d7 [ 127.551861] __shmem_file_setup.part.48+0x83/0x2a0 [ 127.556775] shmem_file_setup+0x65/0x90 [ 127.560732] __x64_sys_memfd_create+0x2af/0x4f0 [ 127.565382] ? memfd_fcntl+0x1e80/0x1e80 [ 127.569431] ? ksys_mount+0xa8/0x140 [ 127.573129] do_syscall_64+0x1b9/0x820 [ 127.577003] ? finish_task_switch+0x1d3/0x870 [ 127.581487] ? syscall_return_slowpath+0x5e0/0x5e0 [ 127.586398] ? syscall_return_slowpath+0x31d/0x5e0 [ 127.591307] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 127.596304] ? __switch_to_asm+0x34/0x70 [ 127.600345] ? __switch_to_asm+0x34/0x70 [ 127.604388] ? __switch_to_asm+0x40/0x70 [ 127.608430] ? __switch_to_asm+0x34/0x70 [ 127.612479] ? __switch_to_asm+0x40/0x70 [ 127.616534] ? __switch_to_asm+0x34/0x70 [ 127.620584] ? __switch_to_asm+0x40/0x70 [ 127.624628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 127.629465] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 127.634641] RIP: 0033:0x456b29 [ 127.637829] Code: Bad RIP value. [ 127.641172] RSP: 002b:00007f91f0f04a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 127.648867] RAX: ffffffffffffffda RBX: 0000000020000740 RCX: 0000000000456b29 [ 127.656139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004c1c8d [ 127.663394] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 127.670660] R10: 0000000020000740 R11: 0000000000000246 R12: 00000000ffffffff [ 127.677928] R13: 00000000004d5bb8 R14: 00000000004c9491 R15: 0000000000000000 [ 127.685547] Dumping ftrace buffer: [ 127.689075] (ftrace buffer empty) [ 127.692760] Kernel Offset: disabled [ 127.696364] Rebooting in 86400 seconds..