[ 30.580999][ T26] audit: type=1800 audit(1567463746.408:22): pid=7192 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 43.557193][ T7359] IPVS: ftp: loaded support on port[0] = 21 [ 43.983717][ T7349] can: request_module (can-proto-0) failed. [ 45.187668][ T7349] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.15.205' (ECDSA) to the list of known hosts. 2019/09/02 22:36:07 parsed 1 programs 2019/09/02 22:36:08 executed programs: 0 [ 52.433728][ T7433] IPVS: ftp: loaded support on port[0] = 21 [ 52.445618][ T7441] IPVS: ftp: loaded support on port[0] = 21 [ 52.459625][ T7439] IPVS: ftp: loaded support on port[0] = 21 [ 52.468978][ T7443] IPVS: ftp: loaded support on port[0] = 21 [ 52.470980][ T7437] IPVS: ftp: loaded support on port[0] = 21 [ 52.491410][ T7435] IPVS: ftp: loaded support on port[0] = 21 [ 52.648162][ T7435] chnl_net:caif_netlink_parms(): no params data found [ 52.670246][ T7439] chnl_net:caif_netlink_parms(): no params data found [ 52.748940][ T7433] chnl_net:caif_netlink_parms(): no params data found [ 52.772042][ T7441] chnl_net:caif_netlink_parms(): no params data found [ 52.786134][ T7435] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.793214][ T7435] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.802266][ T7435] device bridge_slave_0 entered promiscuous mode [ 52.813135][ T7435] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.820292][ T7435] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.827948][ T7435] device bridge_slave_1 entered promiscuous mode [ 52.842232][ T7443] chnl_net:caif_netlink_parms(): no params data found [ 52.883560][ T7435] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.897422][ T7439] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.904560][ T7439] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.912579][ T7439] device bridge_slave_0 entered promiscuous mode [ 52.919798][ T7437] chnl_net:caif_netlink_parms(): no params data found [ 52.940624][ T7435] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.958502][ T7439] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.966127][ T7439] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.973559][ T7439] device bridge_slave_1 entered promiscuous mode [ 52.993320][ T7433] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.003202][ T7433] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.012225][ T7433] device bridge_slave_0 entered promiscuous mode [ 53.032786][ T7441] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.040089][ T7441] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.047666][ T7441] device bridge_slave_0 entered promiscuous mode [ 53.057994][ T7441] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.065216][ T7441] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.072780][ T7441] device bridge_slave_1 entered promiscuous mode [ 53.080705][ T7439] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.091607][ T7439] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.101009][ T7433] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.108461][ T7433] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.116187][ T7433] device bridge_slave_1 entered promiscuous mode [ 53.124465][ T7435] team0: Port device team_slave_0 added [ 53.139816][ T7435] team0: Port device team_slave_1 added [ 53.157766][ T7443] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.168076][ T7443] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.176191][ T7443] device bridge_slave_0 entered promiscuous mode [ 53.200540][ T7441] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.214828][ T7443] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.222915][ T7443] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.231062][ T7443] device bridge_slave_1 entered promiscuous mode [ 53.250128][ T7437] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.258077][ T7437] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.268421][ T7437] device bridge_slave_0 entered promiscuous mode [ 53.276578][ T7439] team0: Port device team_slave_0 added [ 53.282286][ T7437] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.289629][ T7437] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.297220][ T7437] device bridge_slave_1 entered promiscuous mode [ 53.305739][ T7441] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.321111][ T7433] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.336020][ T7433] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.346549][ T7443] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.356672][ T7439] team0: Port device team_slave_1 added [ 53.363219][ T7443] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.437605][ T7435] device hsr_slave_0 entered promiscuous mode [ 53.475357][ T7435] device hsr_slave_1 entered promiscuous mode [ 53.524099][ T7437] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.542406][ T7441] team0: Port device team_slave_0 added [ 53.552522][ T7441] team0: Port device team_slave_1 added [ 53.563617][ T7437] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.616876][ T7439] device hsr_slave_0 entered promiscuous mode [ 53.656255][ T7439] device hsr_slave_1 entered promiscuous mode [ 53.695309][ T7439] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.703850][ T7433] team0: Port device team_slave_0 added [ 53.710670][ T7443] team0: Port device team_slave_0 added [ 53.720570][ T7443] team0: Port device team_slave_1 added [ 53.732186][ T7433] team0: Port device team_slave_1 added [ 53.748511][ T7437] team0: Port device team_slave_0 added [ 53.780087][ T7437] team0: Port device team_slave_1 added [ 53.847339][ T7441] device hsr_slave_0 entered promiscuous mode [ 53.905432][ T7441] device hsr_slave_1 entered promiscuous mode [ 53.945148][ T7441] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.007338][ T7443] device hsr_slave_0 entered promiscuous mode [ 54.045226][ T7443] device hsr_slave_1 entered promiscuous mode [ 54.095033][ T7443] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.157394][ T7433] device hsr_slave_0 entered promiscuous mode [ 54.195378][ T7433] device hsr_slave_1 entered promiscuous mode [ 54.235256][ T7433] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.297676][ T7437] device hsr_slave_0 entered promiscuous mode [ 54.345506][ T7437] device hsr_slave_1 entered promiscuous mode [ 54.385725][ T7437] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.478754][ T7443] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.492930][ T7439] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.512350][ T7435] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.523518][ T7433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.538078][ T7433] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.554560][ T7443] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.568577][ T7439] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.580326][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.588680][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.596758][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.605237][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.613519][ T3009] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.620682][ T3009] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.629704][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.637902][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.645718][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.653251][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.662750][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.676303][ T7435] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.694440][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.703133][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.711382][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.720109][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.728748][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.735844][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.743442][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.752303][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.760613][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.767706][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.776249][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.784651][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.793014][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.800082][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.807583][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.816250][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.824477][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.831557][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.839051][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.847622][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.855876][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.862975][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.870458][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.879033][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.887573][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.895417][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.903123][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.922823][ T7443] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.935636][ T7443] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.951706][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.960503][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.969222][ T7364] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.976298][ T7364] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.984454][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.993276][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.001631][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.010189][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.019005][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.028399][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.037468][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.045818][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.055194][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.063595][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.071978][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.080259][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.088573][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.097130][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.106272][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.113871][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.121432][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.147452][ T7441] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.156619][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.167474][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.176385][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.186165][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.194367][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.203161][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.211748][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.220227][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.228451][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.235540][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.242959][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.251592][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.260238][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.270391][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.278964][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.287945][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.297575][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.305648][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.313188][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.321426][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.339243][ T7435] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.349783][ T7435] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.367090][ T7433] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.378981][ T7433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.387779][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.396294][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.405217][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.413505][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.422432][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.431010][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.439230][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.447399][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.455558][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.463742][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.472020][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.483339][ T7441] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.505955][ T7433] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.513699][ T7439] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.527687][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.538741][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.553666][ T7443] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.569140][ T7437] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.587198][ T7439] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.605247][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.613793][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.629759][ T7450] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.636882][ T7450] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.644480][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.653336][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.661840][ T7450] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.668927][ T7450] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.676494][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.685144][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.693501][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.702067][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.710559][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.718907][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.727332][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.736145][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.744587][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.752477][ T7450] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.765778][ T7437] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.785041][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.794109][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.811806][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.820402][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.828828][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.837794][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.846888][ T7364] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.853933][ T7364] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.862924][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.872278][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.883770][ T7435] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.923785][ T7441] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.946011][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.963418][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.978446][ T7468] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 56.009461][ T3009] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.016581][ T3009] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.040853][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.049620][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.062193][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.077252][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.092869][ T7437] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.107995][ T7437] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.137905][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.151587][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.153507][ T7472] debugfs: Directory '7472-4' with parent 'kvm' already present! [ 56.189555][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.210897][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.224312][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.250698][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.279298][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.314021][ T7437] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.343797][ T7364] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.399171][ T7468] debugfs: Directory '7468-4' with parent 'kvm' already present! [ 56.605740][ T7483] debugfs: Directory '7483-4' with parent 'kvm' already present! [ 56.750749][ T7494] debugfs: Directory '7494-4' with parent 'kvm' already present! [ 56.849238][ T7505] debugfs: Directory '7505-4' with parent 'kvm' already present! [ 56.944564][ T7499] debugfs: Directory '7499-4' with parent 'kvm' already present! [ 56.980719][ T7510] debugfs: Directory '7510-4' with parent 'kvm' already present! [ 57.068751][ T7506] debugfs: Directory '7506-4' with parent 'kvm' already present! [ 57.159008][ T7519] debugfs: Directory '7519-4' with parent 'kvm' already present! 2019/09/02 22:36:13 executed programs: 13 [ 57.439964][ T7531] debugfs: Directory '7531-4' with parent 'kvm' already present! [ 57.485023][ T7540] debugfs: Directory '7540-4' with parent 'kvm' already present! [ 57.631677][ T7544] debugfs: Directory '7544-4' with parent 'kvm' already present! [ 57.921991][ T7553] debugfs: Directory '7553-4' with parent 'kvm' already present! [ 57.985893][ T7560] debugfs: Directory '7560-4' with parent 'kvm' already present! [ 58.093916][ T7569] debugfs: Directory '7569-4' with parent 'kvm' already present! [ 58.262640][ T7585] debugfs: Directory '7585-4' with parent 'kvm' already present! [ 58.303413][ T7571] debugfs: Directory '7571-4' with parent 'kvm' already present! [ 58.384159][ T7584] debugfs: Directory '7584-4' with parent 'kvm' already present! [ 58.506376][ T7600] debugfs: Directory '7600-4' with parent 'kvm' already present! [ 58.562596][ T7591] debugfs: Directory '7591-4' with parent 'kvm' already present! [ 58.833224][ T7613] debugfs: Directory '7613-4' with parent 'kvm' already present! [ 58.905747][ T7623] debugfs: Directory '7623-4' with parent 'kvm' already present! [ 58.953591][ T7624] debugfs: Directory '7624-4' with parent 'kvm' already present! [ 58.989540][ T7615] debugfs: Directory '7615-4' with parent 'kvm' already present! [ 59.044522][ T7632] debugfs: Directory '7632-4' with parent 'kvm' already present! [ 59.077357][ T7633] debugfs: Directory '7633-4' with parent 'kvm' already present! [ 59.473164][ T7657] debugfs: Directory '7657-4' with parent 'kvm' already present! [ 59.513398][ T7656] debugfs: Directory '7656-4' with parent 'kvm' already present! [ 59.585036][ T7659] debugfs: Directory '7659-4' with parent 'kvm' already present! [ 59.651588][ T7665] debugfs: Directory '7665-4' with parent 'kvm' already present! [ 59.705057][ T7663] debugfs: Directory '7663-4' with parent 'kvm' already present! [ 59.753676][ T7668] debugfs: Directory '7668-4' with parent 'kvm' already present! [ 60.262009][ T7697] debugfs: Directory '7697-4' with parent 'kvm' already present! [ 60.317648][ T7706] debugfs: Directory '7706-4' with parent 'kvm' already present! [ 60.344387][ T7693] debugfs: Directory '7693-4' with parent 'kvm' already present! [ 60.622271][ T7703] debugfs: Directory '7703-4' with parent 'kvm' already present! [ 60.795212][ T7728] debugfs: Directory '7728-4' with parent 'kvm' already present! [ 60.980790][ T7726] debugfs: Directory '7726-4' with parent 'kvm' already present! [ 61.004021][ T7742] debugfs: Directory '7742-4' with parent 'kvm' already present! [ 61.274640][ T7741] debugfs: Directory '7741-4' with parent 'kvm' already present! [ 61.347397][ T7759] debugfs: Directory '7759-4' with parent 'kvm' already present! [ 61.459896][ T7756] debugfs: Directory '7756-4' with parent 'kvm' already present! [ 61.756994][ T7779] debugfs: Directory '7779-4' with parent 'kvm' already present! [ 61.805237][ T7774] debugfs: Directory '7774-4' with parent 'kvm' already present! [ 61.943376][ T7786] debugfs: Directory '7786-4' with parent 'kvm' already present! [ 62.024575][ T7791] debugfs: Directory '7791-4' with parent 'kvm' already present! [ 62.092403][ T7777] debugfs: Directory '7777-4' with parent 'kvm' already present! [ 62.126833][ T7798] debugfs: Directory '7798-4' with parent 'kvm' already present! [ 62.344457][ T7817] syz-executor.0 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 62.397532][ T7817] CPU: 1 PID: 7817 Comm: syz-executor.0 Not tainted 5.3.0-rc6+ #0 [ 62.405349][ T7817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.415400][ T7817] Call Trace: [ 62.418711][ T7817] dump_stack+0x113/0x167 [ 62.423041][ T7817] dump_header+0x10d/0x703 [ 62.427466][ T7817] ? ___ratelimit+0x243/0x519 [ 62.432127][ T7817] ? do_raw_spin_unlock+0x54/0x260 [ 62.432138][ T7817] oom_kill_process.cold.34+0xb/0x10 [ 62.432146][ T7817] out_of_memory+0x599/0x1020 [ 62.432157][ T7817] ? oom_killer_disable+0x210/0x210 [ 62.432172][ T7817] mem_cgroup_out_of_memory+0x1d3/0x240 [ 62.457886][ T7817] ? mem_cgroup_charge_statistics+0x320/0x320 [ 62.463952][ T7817] ? do_raw_spin_unlock+0x54/0x260 [ 62.469087][ T7817] ? _raw_spin_unlock+0x2c/0x50 [ 62.473943][ T7817] try_charge+0xeec/0x1300 [ 62.478544][ T7817] ? mem_cgroup_oom_trylock+0x210/0x210 [ 62.484077][ T7817] ? percpu_ref_tryget_live+0x10a/0x290 [ 62.489624][ T7817] ? mem_cgroup_out_of_memory+0x240/0x240 [ 62.495332][ T7817] ? rcu_read_lock_held+0x9c/0xb0 [ 62.502658][ T7817] ? __kasan_check_read+0x11/0x20 [ 62.507681][ T7817] ? get_mem_cgroup_from_mm+0x165/0x310 [ 62.513239][ T7817] mem_cgroup_try_charge+0x137/0x590 [ 62.518536][ T7817] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 62.524172][ T7817] __handle_mm_fault+0x16e1/0x33f0 [ 62.526529][ T7824] debugfs: Directory '7824-4' with parent 'kvm' already present! [ 62.529423][ T7817] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 62.529433][ T7817] ? handle_mm_fault+0x232/0x800 [ 62.529448][ T7817] ? __kasan_check_read+0x11/0x20 [ 62.529457][ T7817] handle_mm_fault+0x2e7/0x800 [ 62.557407][ T7817] __get_user_pages+0x574/0x1300 [ 62.562362][ T7817] ? follow_page_mask+0x1580/0x1580 [ 62.567547][ T7817] ? lock_acquire+0x194/0x410 [ 62.572225][ T7817] ? __mm_populate+0x1f7/0x330 [ 62.572237][ T7817] ? __kasan_check_write+0x14/0x20 [ 62.572245][ T7817] ? down_read+0x10f/0x430 [ 62.572254][ T7817] populate_vma_page_range+0x16c/0x200 [ 62.572263][ T7817] __mm_populate+0x1b5/0x330 [ 62.582118][ T7817] ? populate_vma_page_range+0x200/0x200 [ 62.582126][ T7817] ? __kasan_check_write+0x14/0x20 [ 62.582135][ T7817] ? up_write+0x14f/0x460 [ 62.582142][ T7817] ? ns_capable_common+0x5e/0xd0 [ 62.582152][ T7817] __x64_sys_mlockall+0x381/0x420 [ 62.616558][ T7817] do_syscall_64+0xca/0x5d0 [ 62.616570][ T7817] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.616576][ T7817] RIP: 0033:0x459879 [ 62.635884][ T7817] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.655497][ T7817] RSP: 002b:00007fa320567c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 62.663906][ T7817] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459879 [ 62.671866][ T7817] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 62.671872][ T7817] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 62.687802][ T7817] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3205686d4 2019/09/02 22:36:18 executed programs: 57 [ 62.695764][ T7817] R13: 00000000004c5d72 R14: 00000000004da7f8 R15: 00000000ffffffff [ 62.713914][ T7817] memory: usage 307200kB, limit 307200kB, failcnt 38 [ 62.732639][ T7830] debugfs: Directory '7830-4' with parent 'kvm' already present! [ 62.743802][ T7817] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 62.752168][ T7817] Memory cgroup stats for /syz0: [ 62.752405][ T7817] anon 304365568 [ 62.752405][ T7817] file 0 [ 62.752405][ T7817] kernel_stack 524288 [ 62.752405][ T7817] slab 7139328 [ 62.752405][ T7817] sock 0 [ 62.752405][ T7817] shmem 0 [ 62.752405][ T7817] file_mapped 0 [ 62.752405][ T7817] file_dirty 0 [ 62.752405][ T7817] file_writeback 0 [ 62.752405][ T7817] anon_thp 270532608 [ 62.752405][ T7817] inactive_anon 163061760 [ 62.752405][ T7817] active_anon 176128 [ 62.752405][ T7817] inactive_file 0 [ 62.752405][ T7817] active_file 0 [ 62.752405][ T7817] unevictable 141103104 [ 62.752405][ T7817] slab_reclaimable 811008 [ 62.752405][ T7817] slab_unreclaimable 6328320 [ 62.752405][ T7817] pgfault 12177 [ 62.752405][ T7817] pgmajfault 0 [ 62.752405][ T7817] workingset_refault 0 [ 62.752405][ T7817] workingset_activate 0 [ 62.752405][ T7817] workingset_nodereclaim 0 [ 62.752405][ T7817] pgrefill 0 [ 62.752405][ T7817] pgscan 0 [ 62.752405][ T7817] pgsteal 0 [ 62.752405][ T7817] pgactivate 0 [ 62.873597][ T7817] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz0,mems_allowed=0-1,oom_memcg=/syz0,task_memcg=/syz0,task=syz-executor.0,pid=7489,uid=0 [ 62.901410][ T7817] Memory cgroup out of memory: Killed process 7489 (syz-executor.0) total-vm:38028kB, anon-rss:18364kB, file-rss:0kB, shmem-rss:0kB [ 62.968816][ T7814] debugfs: Directory '7814-4' with parent 'kvm' already present! [ 63.052897][ T7835] debugfs: Directory '7835-4' with parent 'kvm' already present! [ 63.217125][ T7848] debugfs: Directory '7848-4' with parent 'kvm' already present! [ 63.272379][ T7840] debugfs: Directory '7840-4' with parent 'kvm' already present! [ 63.539474][ T7862] debugfs: Directory '7862-4' with parent 'kvm' already present! [ 63.611435][ T7859] debugfs: Directory '7859-4' with parent 'kvm' already present! [ 63.738641][ T7870] debugfs: Directory '7870-4' with parent 'kvm' already present! [ 63.796966][ T7871] debugfs: Directory '7871-4' with parent 'kvm' already present! [ 63.829405][ T7883] syz-executor.0 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 63.971283][ T7883] CPU: 1 PID: 7883 Comm: syz-executor.0 Not tainted 5.3.0-rc6+ #0 [ 63.979118][ T7883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.989175][ T7883] Call Trace: [ 63.992476][ T7883] dump_stack+0x113/0x167 [ 63.996816][ T7883] dump_header+0x10d/0x703 [ 64.001237][ T7883] ? ___ratelimit+0x243/0x519 [ 64.005939][ T7883] ? do_raw_spin_unlock+0x54/0x260 [ 64.011050][ T7883] oom_kill_process.cold.34+0xb/0x10 [ 64.016327][ T7883] out_of_memory+0x599/0x1020 [ 64.016339][ T7883] ? oom_killer_disable+0x210/0x210 [ 64.016355][ T7883] mem_cgroup_out_of_memory+0x1d3/0x240 [ 64.016361][ T7883] ? mem_cgroup_charge_statistics+0x320/0x320 [ 64.016372][ T7883] ? do_raw_spin_unlock+0x54/0x260 [ 64.016380][ T7883] ? _raw_spin_unlock+0x2c/0x50 [ 64.016389][ T7883] try_charge+0xeec/0x1300 [ 64.031767][ T7883] ? mem_cgroup_oom_trylock+0x210/0x210 [ 64.059663][ T7883] ? percpu_ref_tryget_live+0x10a/0x290 [ 64.065220][ T7883] ? mem_cgroup_out_of_memory+0x240/0x240 [ 64.070957][ T7883] ? rcu_read_lock_held+0x9c/0xb0 [ 64.075989][ T7883] ? __kasan_check_read+0x11/0x20 [ 64.076165][ T7879] debugfs: Directory '7879-4' with parent 'kvm' already present! [ 64.081010][ T7883] ? get_mem_cgroup_from_mm+0x165/0x310 [ 64.081020][ T7883] mem_cgroup_try_charge+0x137/0x590 [ 64.081031][ T7883] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 64.081041][ T7883] __handle_mm_fault+0x16e1/0x33f0 [ 64.081050][ T7883] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 64.116243][ T7883] ? handle_mm_fault+0x232/0x800 [ 64.116260][ T7883] ? __kasan_check_read+0x11/0x20 [ 64.116268][ T7883] handle_mm_fault+0x2e7/0x800 [ 64.116276][ T7883] __get_user_pages+0x574/0x1300 [ 64.116288][ T7883] ? follow_page_mask+0x1580/0x1580 [ 64.116296][ T7883] ? lock_acquire+0x194/0x410 [ 64.116302][ T7883] ? __mm_populate+0x1f7/0x330 [ 64.131015][ T7883] ? __kasan_check_write+0x14/0x20 [ 64.131025][ T7883] ? down_read+0x10f/0x430 [ 64.131036][ T7883] populate_vma_page_range+0x16c/0x200 [ 64.131045][ T7883] __mm_populate+0x1b5/0x330 [ 64.165856][ T7895] debugfs: Directory '7895-4' with parent 'kvm' already present! [ 64.170081][ T7883] ? populate_vma_page_range+0x200/0x200 [ 64.170090][ T7883] ? __kasan_check_write+0x14/0x20 [ 64.170099][ T7883] ? up_write+0x14f/0x460 [ 64.170107][ T7883] ? ns_capable_common+0x5e/0xd0 [ 64.170116][ T7883] __x64_sys_mlockall+0x381/0x420 [ 64.202820][ T7883] do_syscall_64+0xca/0x5d0 [ 64.207319][ T7883] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.213201][ T7883] RIP: 0033:0x459879 [ 64.217109][ T7883] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.236810][ T7883] RSP: 002b:00007fa320567c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 64.245219][ T7883] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459879 [ 64.245223][ T7883] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 64.245225][ T7883] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 64.245228][ T7883] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3205686d4 [ 64.245232][ T7883] R13: 00000000004c5d72 R14: 00000000004da7f8 R15: 00000000ffffffff [ 64.283552][ T7892] debugfs: Directory '7892-4' with parent 'kvm' already present! [ 64.357203][ T7883] memory: usage 307200kB, limit 307200kB, failcnt 50 [ 64.364033][ T7883] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 64.371200][ T7883] Memory cgroup stats for /syz0: [ 64.371297][ T7883] anon 303407104 [ 64.371297][ T7883] file 0 [ 64.371297][ T7883] kernel_stack 524288 [ 64.371297][ T7883] slab 8151040 [ 64.371297][ T7883] sock 0 [ 64.371297][ T7883] shmem 0 [ 64.371297][ T7883] file_mapped 0 [ 64.371297][ T7883] file_dirty 0 [ 64.371297][ T7883] file_writeback 0 [ 64.371297][ T7883] anon_thp 268435456 [ 64.371297][ T7883] inactive_anon 163049472 [ 64.371297][ T7883] active_anon 212992 [ 64.371297][ T7883] inactive_file 0 [ 64.371297][ T7883] active_file 0 [ 64.371297][ T7883] unevictable 140251136 [ 64.371297][ T7883] slab_reclaimable 1081344 [ 64.371297][ T7883] slab_unreclaimable 7069696 [ 64.371297][ T7883] pgfault 13332 [ 64.371297][ T7883] pgmajfault 0 [ 64.371297][ T7883] workingset_refault 0 [ 64.371297][ T7883] workingset_activate 0 [ 64.371297][ T7883] workingset_nodereclaim 0 [ 64.371297][ T7883] pgrefill 0 [ 64.371297][ T7883] pgscan 0 [ 64.371297][ T7883] pgsteal 0 [ 64.371297][ T7883] pgactivate 0 [ 64.406417][ T7899] debugfs: Directory '7899-4' with parent 'kvm' already present! [ 64.472148][ T7883] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz0,mems_allowed=0-1,oom_memcg=/syz0,task_memcg=/syz0,task=syz-executor.0,pid=7805,uid=0 [ 64.491135][ T7883] Memory cgroup out of memory: Killed process 7805 (syz-executor.0) total-vm:38024kB, anon-rss:18360kB, file-rss:0kB, shmem-rss:0kB [ 64.512684][ T7888] syz-executor.1 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 64.529839][ T7888] CPU: 1 PID: 7888 Comm: syz-executor.1 Not tainted 5.3.0-rc6+ #0 [ 64.537663][ T7888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.547730][ T7888] Call Trace: [ 64.551066][ T7888] dump_stack+0x113/0x167 [ 64.555493][ T7888] dump_header+0x10d/0x703 [ 64.560055][ T7888] ? ___ratelimit+0x243/0x519 [ 64.564731][ T7888] ? do_raw_spin_unlock+0x54/0x260 [ 64.569841][ T7888] oom_kill_process.cold.34+0xb/0x10 [ 64.575155][ T7888] out_of_memory+0x599/0x1020 [ 64.580956][ T7888] ? oom_killer_disable+0x210/0x210 [ 64.586212][ T7888] mem_cgroup_out_of_memory+0x1d3/0x240 [ 64.591765][ T7888] ? mem_cgroup_charge_statistics+0x320/0x320 [ 64.597826][ T7888] ? do_raw_spin_unlock+0x54/0x260 [ 64.602925][ T7888] ? _raw_spin_unlock+0x2c/0x50 [ 64.607784][ T7888] try_charge+0xeec/0x1300 [ 64.612196][ T7888] ? mem_cgroup_oom_trylock+0x210/0x210 [ 64.615437][ T7883] debugfs: Directory '7883-4' with parent 'kvm' already present! [ 64.617726][ T7888] ? percpu_ref_tryget_live+0x10a/0x290 [ 64.617734][ T7888] ? mem_cgroup_out_of_memory+0x240/0x240 [ 64.617741][ T7888] ? rcu_read_lock_held+0x9c/0xb0 [ 64.617750][ T7888] ? __kasan_check_read+0x11/0x20 [ 64.617760][ T7888] ? get_mem_cgroup_from_mm+0x165/0x310 [ 64.617769][ T7888] mem_cgroup_try_charge+0x137/0x590 [ 64.617782][ T7888] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 64.636712][ T7888] wp_page_copy+0x3ae/0x1160 [ 64.636725][ T7888] ? pmd_devmap_trans_unstable+0x130/0x130 [ 64.636732][ T7888] ? lock_downgrade+0x900/0x900 [ 64.636745][ T7888] ? swp_swapcount+0x490/0x490 [ 64.636753][ T7888] ? __kasan_check_read+0x11/0x20 [ 64.636759][ T7888] ? do_raw_spin_unlock+0x54/0x260 [ 64.636766][ T7888] do_wp_page+0x1be/0x1240 [ 64.636774][ T7888] ? finish_mkwrite_fault+0x540/0x540 [ 64.636786][ T7888] __handle_mm_fault+0x1ab6/0x33f0 [ 64.636795][ T7888] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 64.652527][ T7888] ? handle_mm_fault+0x232/0x800 [ 64.652543][ T7888] ? __kasan_check_read+0x11/0x20 [ 64.652551][ T7888] handle_mm_fault+0x2e7/0x800 [ 64.652559][ T7888] __get_user_pages+0x574/0x1300 [ 64.652571][ T7888] ? follow_page_mask+0x1580/0x1580 [ 64.652579][ T7888] ? lock_acquire+0x194/0x410 [ 64.652583][ T7888] ? __mm_populate+0x1f7/0x330 [ 64.652594][ T7888] ? __kasan_check_write+0x14/0x20 [ 64.652603][ T7888] ? down_read+0x10f/0x430 [ 64.652613][ T7888] populate_vma_page_range+0x16c/0x200 [ 64.652623][ T7888] __mm_populate+0x1b5/0x330 [ 64.652632][ T7888] ? populate_vma_page_range+0x200/0x200 [ 64.652637][ T7888] ? __kasan_check_write+0x14/0x20 [ 64.778783][ T7888] ? up_write+0x14f/0x460 [ 64.783093][ T7888] ? ns_capable_common+0x5e/0xd0 [ 64.788030][ T7888] __x64_sys_mlockall+0x381/0x420 [ 64.793078][ T7888] do_syscall_64+0xca/0x5d0 [ 64.798556][ T7888] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.804421][ T7888] RIP: 0033:0x459879 [ 64.808507][ T7888] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.828118][ T7888] RSP: 002b:00007f55e725ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 64.836517][ T7888] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459879 [ 64.844474][ T7888] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 64.852426][ T7888] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 64.860386][ T7888] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55e725f6d4 [ 64.868337][ T7888] R13: 00000000004c5d72 R14: 00000000004da7f8 R15: 00000000ffffffff [ 64.877821][ T7888] memory: usage 307200kB, limit 307200kB, failcnt 50 [ 64.884523][ T7888] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 64.891911][ T7888] Memory cgroup stats for /syz1: [ 64.891961][ T7888] anon 302444544 [ 64.891961][ T7888] file 0 [ 64.891961][ T7888] kernel_stack 589824 [ 64.891961][ T7888] slab 8704000 [ 64.891961][ T7888] sock 0 [ 64.891961][ T7888] shmem 0 [ 64.891961][ T7888] file_mapped 0 [ 64.891961][ T7888] file_dirty 0 [ 64.891961][ T7888] file_writeback 0 [ 64.891961][ T7888] anon_thp 270532608 [ 64.891961][ T7888] inactive_anon 124194816 [ 64.891961][ T7888] active_anon 159744 [ 64.891961][ T7888] inactive_file 0 [ 64.891961][ T7888] active_file 0 [ 64.891961][ T7888] unevictable 178044928 [ 64.891961][ T7888] slab_reclaimable 1081344 [ 64.891961][ T7888] slab_unreclaimable 7622656 [ 64.891961][ T7888] pgfault 15015 [ 64.891961][ T7888] pgmajfault 0 [ 64.891961][ T7888] workingset_refault 0 [ 64.891961][ T7888] workingset_activate 0 [ 64.891961][ T7888] workingset_nodereclaim 0 [ 64.891961][ T7888] pgrefill 0 [ 64.891961][ T7888] pgscan 0 [ 64.891961][ T7888] pgsteal 0 [ 64.891961][ T7888] pgactivate 0 [ 64.988356][ T7888] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz1,mems_allowed=0-1,oom_memcg=/syz1,task_memcg=/syz1,task=syz-executor.1,pid=7867,uid=0 [ 65.003784][ T7888] Memory cgroup out of memory: Killed process 7867 (syz-executor.1) total-vm:37892kB, anon-rss:18144kB, file-rss:18552kB, shmem-rss:0kB [ 65.018222][ T1065] [ 65.020559][ T1065] ============================================ [ 65.026689][ T1065] WARNING: possible recursive locking detected [ 65.032826][ T1065] 5.3.0-rc6+ #0 Not tainted [ 65.037317][ T1065] -------------------------------------------- [ 65.043481][ T1065] oom_reaper/1065 is trying to acquire lock: [ 65.049435][ T1065] ffffffff88645bc0 (mmu_notifier_invalidate_range_start){+.+.}, at: __mmu_notifier_invalidate_range_end+0x0/0x300 [ 65.061532][ T1065] [ 65.061532][ T1065] but task is already holding lock: [ 65.069399][ T1065] ffffffff88645bc0 (mmu_notifier_invalidate_range_start){+.+.}, at: __oom_reap_task_mm+0x1b6/0x3d0 [ 65.080056][ T1065] [ 65.080056][ T1065] other info that might help us debug this: [ 65.088146][ T1065] Possible unsafe locking scenario: [ 65.088146][ T1065] [ 65.095582][ T1065] CPU0 [ 65.098851][ T1065] ---- [ 65.102124][ T1065] lock(mmu_notifier_invalidate_range_start); [ 65.108246][ T1065] lock(mmu_notifier_invalidate_range_start); [ 65.114384][ T1065] [ 65.114384][ T1065] *** DEADLOCK *** [ 65.114384][ T1065] [ 65.122558][ T1065] May be due to missing lock nesting notation [ 65.122558][ T1065] [ 65.130872][ T1065] 2 locks held by oom_reaper/1065: [ 65.137193][ T1065] #0: ffff888090ff02d0 (&mm->mmap_sem#2){++++}, at: oom_reaper+0x297/0xd00 [ 65.145850][ T1065] #1: ffffffff88645bc0 (mmu_notifier_invalidate_range_start){+.+.}, at: __oom_reap_task_mm+0x1b6/0x3d0 [ 65.156929][ T1065] [ 65.156929][ T1065] stack backtrace: [ 65.162827][ T1065] CPU: 1 PID: 1065 Comm: oom_reaper Not tainted 5.3.0-rc6+ #0 [ 65.170265][ T1065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.180315][ T1065] Call Trace: [ 65.183644][ T1065] dump_stack+0x113/0x167 [ 65.188073][ T1065] __lock_acquire.cold.66+0x15d/0x398 [ 65.193452][ T1065] ? mark_held_locks+0x130/0x130 [ 65.198467][ T1065] ? unmap_page_range+0xb37/0x19d0 [ 65.203565][ T1065] lock_acquire+0x194/0x410 [ 65.208053][ T1065] ? __mmu_notifier_invalidate_range_start+0x1e0/0x1e0 [ 65.214881][ T1065] __mmu_notifier_invalidate_range_end+0x37/0x300 [ 65.221267][ T1065] ? __mmu_notifier_invalidate_range_start+0x1e0/0x1e0 [ 65.228100][ T1065] ? __mmu_notifier_invalidate_range_start+0x176/0x1e0 [ 65.234931][ T1065] __oom_reap_task_mm+0x2b4/0x3d0 [ 65.239959][ T1065] ? process_shares_mm+0x170/0x170 [ 65.245055][ T1065] ? lock_acquire+0x194/0x410 [ 65.249699][ T1065] ? oom_reaper+0x297/0xd00 [ 65.254190][ T1065] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.259710][ T1065] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 65.265750][ T1065] ? __kasan_check_read+0x11/0x20 [ 65.270797][ T1065] ? do_raw_spin_unlock+0x54/0x260 [ 65.275884][ T1065] oom_reaper+0x20f/0xd00 [ 65.280211][ T1065] ? __oom_reap_task_mm+0x3d0/0x3d0 [ 65.285386][ T1065] ? finish_wait+0x290/0x290 [ 65.289953][ T1065] ? __kasan_check_read+0x11/0x20 [ 65.294968][ T1065] ? __kthread_parkme+0xc8/0x1a0 [ 65.299877][ T1065] ? __kasan_check_read+0x11/0x20 [ 65.305090][ T1065] kthread+0x331/0x3f0 [ 65.309180][ T1065] ? __oom_reap_task_mm+0x3d0/0x3d0 [ 65.314381][ T1065] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 65.320606][ T1065] ret_from_fork+0x24/0x30 [ 65.325183][ T7904] syz-executor.5 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 65.326623][ T1065] oom_reaper: reaped process 7867 (syz-executor.1), now anon-rss:18232kB, file-rss:19516kB, shmem-rss:0kB [ 65.345008][ T7904] CPU: 1 PID: 7904 Comm: syz-executor.5 Not tainted 5.3.0-rc6+ #0 [ 65.354725][ T7904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.364775][ T7904] Call Trace: [ 65.368062][ T7904] dump_stack+0x113/0x167 [ 65.369296][ T7888] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 65.372377][ T7904] dump_header+0x10d/0x703 [ 65.372384][ T7904] ? ___ratelimit+0x243/0x519 [ 65.372391][ T7904] ? do_raw_spin_unlock+0x54/0x260 [ 65.372397][ T7904] oom_kill_process.cold.34+0xb/0x10 [ 65.372402][ T7904] out_of_memory+0x599/0x1020 [ 65.372408][ T7904] ? oom_killer_disable+0x210/0x210 [ 65.372418][ T7904] mem_cgroup_out_of_memory+0x1d3/0x240 [ 65.379547][ T7888] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 65.383761][ T7904] ? mem_cgroup_charge_statistics+0x320/0x320 [ 65.383771][ T7904] ? do_raw_spin_unlock+0x54/0x260 [ 65.383777][ T7904] ? _raw_spin_unlock+0x2c/0x50 [ 65.383783][ T7904] try_charge+0xeec/0x1300 [ 65.383790][ T7904] ? mem_cgroup_oom_trylock+0x210/0x210 [ 65.383794][ T7904] ? percpu_ref_tryget_live+0x10a/0x290 [ 65.383801][ T7904] ? mem_cgroup_out_of_memory+0x240/0x240 [ 65.408974][ T3891] kobject: 'loop1' (0000000086b3d628): kobject_uevent_env [ 65.409989][ T7904] ? rcu_read_lock_held+0x9c/0xb0 [ 65.417460][ T3891] kobject: 'loop1' (0000000086b3d628): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 65.425199][ T7904] ? __kasan_check_read+0x11/0x20 [ 65.425208][ T7904] ? get_mem_cgroup_from_mm+0x165/0x310 [ 65.425213][ T7904] mem_cgroup_try_charge+0x137/0x590 [ 65.425220][ T7904] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 65.425227][ T7904] wp_page_copy+0x3ae/0x1160 [ 65.425234][ T7904] ? pmd_devmap_trans_unstable+0x130/0x130 [ 65.425239][ T7904] ? lock_downgrade+0x900/0x900 [ 65.425246][ T7904] ? swp_swapcount+0x490/0x490 [ 65.425250][ T7904] ? __kasan_check_read+0x11/0x20 [ 65.425263][ T7904] ? do_raw_spin_unlock+0x54/0x260 [ 65.449145][ T7916] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 65.451863][ T7904] do_wp_page+0x1be/0x1240 [ 65.451870][ T7904] ? finish_mkwrite_fault+0x540/0x540 [ 65.451879][ T7904] __handle_mm_fault+0x1ab6/0x33f0 [ 65.451885][ T7904] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 65.451892][ T7904] ? handle_mm_fault+0x232/0x800 [ 65.451904][ T7904] ? __kasan_check_read+0x11/0x20 [ 65.457608][ T7916] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 65.473197][ T7904] handle_mm_fault+0x2e7/0x800 [ 65.473203][ T7904] __get_user_pages+0x574/0x1300 [ 65.473210][ T7904] ? follow_page_mask+0x1580/0x1580 [ 65.473217][ T7904] ? lock_acquire+0x194/0x410 [ 65.473221][ T7904] ? __mm_populate+0x1f7/0x330 [ 65.473228][ T7904] ? __kasan_check_write+0x14/0x20 [ 65.473235][ T7904] ? down_read+0x10f/0x430 [ 65.473241][ T7904] populate_vma_page_range+0x16c/0x200 [ 65.473246][ T7904] __mm_populate+0x1b5/0x330 [ 65.473252][ T7904] ? populate_vma_page_range+0x200/0x200 [ 65.473258][ T7904] ? __kasan_check_write+0x14/0x20 [ 65.649680][ T7904] ? up_write+0x14f/0x460 [ 65.654002][ T7904] ? ns_capable_common+0x5e/0xd0 [ 65.658924][ T7904] __x64_sys_mlockall+0x381/0x420 [ 65.663939][ T7904] do_syscall_64+0xca/0x5d0 [ 65.668417][ T7904] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.674278][ T7904] RIP: 0033:0x459879 [ 65.678156][ T7904] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.697736][ T7904] RSP: 002b:00007ff6e5faec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 65.706302][ T7904] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459879 [ 65.714254][ T7904] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 65.722204][ T7904] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 65.730150][ T7904] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff6e5faf6d4 [ 65.738099][ T7904] R13: 00000000004c5d72 R14: 00000000004da7f8 R15: 00000000ffffffff [ 65.746180][ T7904] memory: usage 307200kB, limit 307200kB, failcnt 27 [ 65.752929][ T7904] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 65.759801][ T7904] Memory cgroup stats for /syz5: [ 65.759836][ T7904] anon 302497792 [ 65.759836][ T7904] file 0 [ 65.759836][ T7904] kernel_stack 589824 [ 65.759836][ T7904] slab 8847360 [ 65.759836][ T7904] sock 0 [ 65.759836][ T7904] shmem 0 [ 65.759836][ T7904] file_mapped 0 [ 65.759836][ T7904] file_dirty 0 [ 65.759836][ T7904] file_writeback 0 [ 65.759836][ T7904] anon_thp 270532608 [ 65.759836][ T7904] inactive_anon 109465600 [ 65.759836][ T7904] active_anon 159744 [ 65.759836][ T7904] inactive_file 0 [ 65.759836][ T7904] active_file 0 [ 65.759836][ T7904] unevictable 192724992 [ 65.759836][ T7904] slab_reclaimable 946176 [ 65.759836][ T7904] slab_unreclaimable 7901184 [ 65.759836][ T7904] pgfault 15114 [ 65.759836][ T7904] pgmajfault 0 [ 65.759836][ T7904] workingset_refault 0 [ 65.759836][ T7904] workingset_activate 0 [ 65.759836][ T7904] workingset_nodereclaim 0 [ 65.759836][ T7904] pgrefill 0 [ 65.759836][ T7904] pgscan 0 [ 65.759836][ T7904] pgsteal 0 [ 65.759836][ T7904] pgactivate 0 [ 65.856091][ T7904] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz5,mems_allowed=0-1,oom_memcg=/syz5,task_memcg=/syz5,task=syz-executor.5,pid=7891,uid=0 [ 65.871420][ T7904] Memory cgroup out of memory: Killed process 7891 (syz-executor.5) total-vm:37892kB, anon-rss:18148kB, file-rss:18552kB, shmem-rss:0kB [ 65.885621][ T1065] oom_reaper: reaped process 7891 (syz-executor.5), now anon-rss:18232kB, file-rss:19516kB, shmem-rss:0kB [ 65.897744][ T7902] syz-executor.2 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 65.909961][ T7902] CPU: 0 PID: 7902 Comm: syz-executor.2 Not tainted 5.3.0-rc6+ #0 [ 65.917758][ T7902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.927802][ T7902] Call Trace: [ 65.928689][ T7904] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 65.931074][ T7902] dump_stack+0x113/0x167 [ 65.931083][ T7902] dump_header+0x10d/0x703 [ 65.931088][ T7902] ? ___ratelimit+0x243/0x519 [ 65.931094][ T7902] ? do_raw_spin_unlock+0x54/0x260 [ 65.931101][ T7902] oom_kill_process.cold.34+0xb/0x10 [ 65.938165][ T7904] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 65.942312][ T7902] out_of_memory+0x599/0x1020 [ 65.942319][ T7902] ? oom_killer_disable+0x210/0x210 [ 65.942330][ T7902] mem_cgroup_out_of_memory+0x1d3/0x240 [ 65.942335][ T7902] ? mem_cgroup_charge_statistics+0x320/0x320 [ 65.942344][ T7902] ? do_raw_spin_unlock+0x54/0x260 [ 65.998094][ T7902] ? _raw_spin_unlock+0x2c/0x50 [ 66.002914][ T7902] try_charge+0xeec/0x1300 [ 66.007297][ T7902] ? mem_cgroup_oom_trylock+0x210/0x210 [ 66.012808][ T7902] ? percpu_ref_tryget_live+0x10a/0x290 [ 66.018329][ T7902] ? mem_cgroup_out_of_memory+0x240/0x240 [ 66.024016][ T7902] ? rcu_read_lock_held+0x9c/0xb0 [ 66.029017][ T7902] ? __kasan_check_read+0x11/0x20 [ 66.034029][ T7902] ? get_mem_cgroup_from_mm+0x165/0x310 [ 66.039566][ T7902] mem_cgroup_try_charge+0x137/0x590 [ 66.044842][ T7902] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 66.050501][ T7902] do_huge_pmd_wp_page_fallback+0x212/0x12f0 [ 66.056462][ T7902] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.062499][ T7902] ? defrag_store+0x2e0/0x2e0 [ 66.067149][ T7902] ? __alloc_pages_slowpath+0x2530/0x2530 [ 66.072927][ T7902] ? alloc_pages_vma+0x159/0x350 [ 66.077842][ T7902] ? do_raw_spin_unlock+0x54/0x260 [ 66.082940][ T7902] do_huge_pmd_wp_page+0x102f/0x1cb0 [ 66.088349][ T7902] ? __split_huge_pmd+0x1cc0/0x1cc0 [ 66.093528][ T7902] ? __kasan_check_read+0x11/0x20 [ 66.098542][ T7902] ? mark_lock+0xc5/0x11d0 [ 66.102956][ T7902] ? __kasan_check_read+0x11/0x20 [ 66.107970][ T7902] ? mark_lock+0xc5/0x11d0 [ 66.112372][ T7902] ? __kasan_check_read+0x11/0x20 [ 66.117378][ T7902] ? __lock_acquire+0x100f/0x4ee0 [ 66.122376][ T7902] ? add_mm_counter_fast+0xe0/0xe0 [ 66.127466][ T7902] ? __lock_acquire+0x96a/0x4ee0 [ 66.132385][ T7902] __handle_mm_fault+0xfcf/0x33f0 [ 66.137497][ T7902] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 66.143061][ T7902] ? handle_mm_fault+0x232/0x800 [ 66.147979][ T7902] ? __kasan_check_read+0x11/0x20 [ 66.152996][ T7902] handle_mm_fault+0x2e7/0x800 [ 66.157778][ T7902] __get_user_pages+0x574/0x1300 [ 66.162724][ T7902] ? follow_page_mask+0x1580/0x1580 [ 66.167901][ T7902] ? lock_acquire+0x194/0x410 [ 66.172551][ T7902] ? __mm_populate+0x1f7/0x330 [ 66.177292][ T7902] ? __kasan_check_write+0x14/0x20 [ 66.182387][ T7902] ? down_read+0x10f/0x430 [ 66.186788][ T7902] populate_vma_page_range+0x16c/0x200 [ 66.192232][ T7902] __mm_populate+0x1b5/0x330 [ 66.196808][ T7902] ? populate_vma_page_range+0x200/0x200 [ 66.202563][ T7902] ? __kasan_check_write+0x14/0x20 [ 66.207668][ T7902] ? up_write+0x14f/0x460 [ 66.211986][ T7902] ? ns_capable_common+0x5e/0xd0 [ 66.216932][ T7902] __x64_sys_mlockall+0x381/0x420 [ 66.221950][ T7902] do_syscall_64+0xca/0x5d0 [ 66.226428][ T7902] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.232298][ T7902] RIP: 0033:0x459879 [ 66.236186][ T7902] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 66.255769][ T7902] RSP: 002b:00007efd629efc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 66.264740][ T7902] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459879 [ 66.272701][ T7902] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 66.280687][ T7902] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 66.288725][ T7902] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efd629f06d4 [ 66.296676][ T7902] R13: 00000000004c5d72 R14: 00000000004da7f8 R15: 00000000ffffffff [ 66.308228][ T3891] kobject: 'loop5' (000000001ed8fc2b): kobject_uevent_env [ 66.309155][ T7902] memory: usage 307200kB, limit 307200kB, failcnt 28 [ 66.317772][ T3891] kobject: 'loop5' (000000001ed8fc2b): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 66.322080][ T7902] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 66.322082][ T7902] Memory cgroup stats for /syz2: [ 66.322124][ T7902] anon 303058944 [ 66.322124][ T7902] file 0 [ 66.322124][ T7902] kernel_stack 589824 [ 66.322124][ T7902] slab 8163328 [ 66.322124][ T7902] sock 0 [ 66.322124][ T7902] shmem 0 [ 66.322124][ T7902] file_mapped 0 [ 66.322124][ T7902] file_dirty 0 [ 66.322124][ T7902] file_writeback 0 [ 66.322124][ T7902] anon_thp 268435456 [ 66.322124][ T7902] inactive_anon 128876544 [ 66.322124][ T7902] active_anon 200704 [ 66.322124][ T7902] inactive_file 0 [ 66.322124][ T7902] active_file 0 [ 66.322124][ T7902] unevictable 173912064 [ 66.322124][ T7902] slab_reclaimable 1081344 [ 66.322124][ T7902] slab_unreclaimable 7081984 [ 66.322124][ T7902] pgfault 13728 [ 66.322124][ T7902] pgmajfault 0 [ 66.322124][ T7902] workingset_refault 0 [ 66.322124][ T7902] workingset_activate 0 [ 66.322124][ T7902] workingset_nodereclaim 0 [ 66.322124][ T7902] pgrefill 0 [ 66.322124][ T7902] pgscan 0 [ 66.322124][ T7902] pgsteal 0 [ 66.322124][ T7902] pgactivate 0 [ 66.334996][ T7918] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 66.341274][ T7902] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz2,mems_allowed=0-1,oom_memcg=/syz2,task_memcg=/syz2,task=syz-executor.2,pid=7894,uid=0 [ 66.353050][ T7918] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 66.441484][ T7902] Memory cgroup out of memory: Killed process 7894 (syz-executor.2) total-vm:37892kB, anon-rss:18148kB, file-rss:18552kB, shmem-rss:0kB [ 66.487699][ T1065] oom_reaper: reaped process 7894 (syz-executor.2), now anon-rss:18232kB, file-rss:19516kB, shmem-rss:0kB [ 66.499128][ T7900] syz-executor.4 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 66.534972][ T7900] CPU: 0 PID: 7900 Comm: syz-executor.4 Not tainted 5.3.0-rc6+ #0 [ 66.542818][ T7900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.553022][ T7900] Call Trace: [ 66.556308][ T7900] dump_stack+0x113/0x167 [ 66.560747][ T7900] dump_header+0x10d/0x703 [ 66.565327][ T7900] ? ___ratelimit+0x243/0x519 [ 66.569985][ T7900] ? do_raw_spin_unlock+0x54/0x260 [ 66.575089][ T7900] oom_kill_process.cold.34+0xb/0x10 [ 66.580346][ T7900] out_of_memory+0x599/0x1020 [ 66.585003][ T7900] ? oom_killer_disable+0x210/0x210 [ 66.590196][ T7900] mem_cgroup_out_of_memory+0x1d3/0x240 [ 66.595713][ T7900] ? mem_cgroup_charge_statistics+0x320/0x320 [ 66.601859][ T7900] ? do_raw_spin_unlock+0x54/0x260 [ 66.606984][ T7900] ? _raw_spin_unlock+0x2c/0x50 [ 66.611811][ T7900] try_charge+0xeec/0x1300 [ 66.616204][ T7900] ? mem_cgroup_oom_trylock+0x210/0x210 [ 66.621749][ T7900] ? percpu_ref_tryget_live+0x10a/0x290 [ 66.627267][ T7900] ? mem_cgroup_out_of_memory+0x240/0x240 [ 66.632967][ T7900] ? rcu_read_lock_held+0x9c/0xb0 [ 66.637971][ T7900] ? __kasan_check_read+0x11/0x20 [ 66.642976][ T7900] ? get_mem_cgroup_from_mm+0x165/0x310 [ 66.648515][ T7900] mem_cgroup_try_charge+0x137/0x590 [ 66.653774][ T7900] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 66.659391][ T7900] wp_page_copy+0x3ae/0x1160 [ 66.661877][ T7902] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 66.663985][ T7900] ? pmd_devmap_trans_unstable+0x130/0x130 [ 66.663990][ T7900] ? lock_downgrade+0x900/0x900 [ 66.663998][ T7900] ? swp_swapcount+0x490/0x490 [ 66.664005][ T7900] ? __kasan_check_read+0x11/0x20 [ 66.664010][ T7900] ? do_raw_spin_unlock+0x54/0x260 [ 66.664015][ T7900] do_wp_page+0x1be/0x1240 [ 66.664021][ T7900] ? finish_mkwrite_fault+0x540/0x540 [ 66.672887][ T7902] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 66.676740][ T7900] __handle_mm_fault+0x1ab6/0x33f0 [ 66.676747][ T7900] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 66.676753][ T7900] ? handle_mm_fault+0x232/0x800 [ 66.676762][ T7900] ? __kasan_check_read+0x11/0x20 [ 66.676767][ T7900] handle_mm_fault+0x2e7/0x800 [ 66.676772][ T7900] __get_user_pages+0x574/0x1300 [ 66.676779][ T7900] ? follow_page_mask+0x1580/0x1580 [ 66.676785][ T7900] ? lock_acquire+0x194/0x410 [ 66.676789][ T7900] ? __mm_populate+0x1f7/0x330 [ 66.676794][ T7900] ? __kasan_check_write+0x14/0x20 [ 66.676800][ T7900] ? down_read+0x10f/0x430 [ 66.676806][ T7900] populate_vma_page_range+0x16c/0x200 [ 66.700743][ T3891] kobject: 'loop2' (0000000074bb3a27): kobject_uevent_env [ 66.700858][ T7900] __mm_populate+0x1b5/0x330 [ 66.708141][ T3891] kobject: 'loop2' (0000000074bb3a27): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 66.715930][ T7900] ? populate_vma_page_range+0x200/0x200 [ 66.715936][ T7900] ? __kasan_check_write+0x14/0x20 [ 66.715944][ T7900] ? up_write+0x14f/0x460 [ 66.715950][ T7900] ? ns_capable_common+0x5e/0xd0 [ 66.715957][ T7900] __x64_sys_mlockall+0x381/0x420 [ 66.715964][ T7900] do_syscall_64+0xca/0x5d0 [ 66.715972][ T7900] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.715976][ T7900] RIP: 0033:0x459879 [ 66.715982][ T7900] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 66.715984][ T7900] RSP: 002b:00007f891a0cfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 66.715988][ T7900] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459879 [ 66.715993][ T7900] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 66.730239][ T7921] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 66.732369][ T7900] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 66.732372][ T7900] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f891a0d06d4 [ 66.732375][ T7900] R13: 00000000004c5d72 R14: 00000000004da7f8 R15: 00000000ffffffff [ 66.734622][ T7912] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 66.737816][ T7921] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 66.769618][ T7912] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 66.786693][ T7900] memory: usage 307200kB, limit 307200kB, failcnt 46 [ 66.826919][ T7911] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 66.829650][ T7900] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 66.834326][ T7911] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 66.840129][ T7900] Memory cgroup stats for /syz4: [ 66.840171][ T7900] anon 302403584 [ 66.840171][ T7900] file 0 [ 66.840171][ T7900] kernel_stack 589824 [ 66.840171][ T7900] slab 8957952 [ 66.840171][ T7900] sock 0 [ 66.840171][ T7900] shmem 0 [ 66.840171][ T7900] file_mapped 0 [ 66.840171][ T7900] file_dirty 0 [ 66.840171][ T7900] file_writeback 0 [ 66.840171][ T7900] anon_thp 260046848 [ 66.840171][ T7900] inactive_anon 136634368 [ 66.840171][ T7900] active_anon 204800 [ 66.840171][ T7900] inactive_file 0 [ 66.840171][ T7900] active_file 0 [ 66.840171][ T7900] unevictable 165527552 [ 66.840171][ T7900] slab_reclaimable 1081344 [ 66.840171][ T7900] slab_unreclaimable 7876608 [ 66.840171][ T7900] pgfault 16599 [ 66.840171][ T7900] pgmajfault 0 [ 66.840171][ T7900] workingset_refault 0 [ 66.840171][ T7900] workingset_activate 0 [ 66.840171][ T7900] workingset_nodereclaim 0 [ 66.840171][ T7900] pgrefill 0 [ 66.840171][ T7900] pgscan 0 [ 66.840171][ T7900] pgsteal 0 [ 66.840171][ T7900] pgactivate 0 [ 66.873327][ T3891] kobject: 'loop0' (00000000b4567a88): kobject_uevent_env [ 66.876477][ T7900] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz4,mems_allowed=0-1,oom_memcg=/syz4,task_memcg=/syz4,task=syz-executor.4,pid=7898,uid=0 [ 66.887729][ T7925] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 66.889790][ T7900] Memory cgroup out of memory: Killed process 7898 (syz-executor.4) total-vm:37892kB, anon-rss:18324kB, file-rss:18556kB, shmem-rss:0kB [ 67.111323][ T7925] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 67.121147][ T3891] kobject: 'loop0' (00000000b4567a88): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 67.138141][ T1065] oom_reaper: reaped process 7898 (syz-executor.4), now anon-rss:18352kB, file-rss:19516kB, shmem-rss:0kB [ 67.152792][ T7899] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 67.161599][ T7906] syz-executor.3 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 67.167608][ T7925] debugfs: Directory '7925-4' with parent 'kvm' already present! [ 67.181027][ T7925] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 67.188039][ T7906] CPU: 0 PID: 7906 Comm: syz-executor.3 Not tainted 5.3.0-rc6+ #0 [ 67.188044][ T7906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.197660][ T7925] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 67.205853][ T7906] Call Trace: [ 67.205866][ T7906] dump_stack+0x113/0x167 [ 67.205875][ T7906] dump_header+0x10d/0x703 [ 67.205879][ T7906] ? ___ratelimit+0x243/0x519 [ 67.205885][ T7906] ? do_raw_spin_unlock+0x54/0x260 [ 67.205891][ T7906] oom_kill_process.cold.34+0xb/0x10 [ 67.205895][ T7906] out_of_memory+0x599/0x1020 [ 67.205901][ T7906] ? oom_killer_disable+0x210/0x210 [ 67.205913][ T7906] mem_cgroup_out_of_memory+0x1d3/0x240 [ 67.226418][ T7909] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 67.227575][ T7906] ? mem_cgroup_charge_statistics+0x320/0x320 [ 67.232235][ T7909] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 67.237306][ T7906] ? do_raw_spin_unlock+0x54/0x260 [ 67.237312][ T7906] ? _raw_spin_unlock+0x2c/0x50 [ 67.237316][ T7906] try_charge+0xeec/0x1300 [ 67.237321][ T7906] ? mem_cgroup_oom_trylock+0x210/0x210 [ 67.237325][ T7906] ? percpu_ref_tryget_live+0x10a/0x290 [ 67.237329][ T7906] ? mem_cgroup_out_of_memory+0x240/0x240 [ 67.237333][ T7906] ? rcu_read_lock_held+0x9c/0xb0 [ 67.237339][ T7906] ? __kasan_check_read+0x11/0x20 [ 67.237344][ T7906] ? get_mem_cgroup_from_mm+0x165/0x310 [ 67.237348][ T7906] mem_cgroup_try_charge+0x137/0x590 [ 67.237353][ T7906] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 67.237358][ T7906] do_huge_pmd_wp_page_fallback+0x212/0x12f0 [ 67.237362][ T7906] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 67.237368][ T7906] ? defrag_store+0x2e0/0x2e0 [ 67.237373][ T7906] ? __alloc_pages_slowpath+0x2530/0x2530 [ 67.237383][ T7906] ? alloc_pages_vma+0x159/0x350 [ 67.247611][ T7899] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 67.252457][ T7906] ? do_raw_spin_unlock+0x54/0x260 [ 67.252465][ T7906] do_huge_pmd_wp_page+0x102f/0x1cb0 [ 67.252472][ T7906] ? __split_huge_pmd+0x1cc0/0x1cc0 [ 67.326092][ T7899] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 67.327514][ T7906] ? mark_lock+0xc5/0x11d0 [ 67.327521][ T7906] ? __kasan_check_read+0x11/0x20 [ 67.327526][ T7906] ? do_raw_spin_unlock+0x54/0x260 [ 67.327532][ T7906] ? __kasan_check_read+0x11/0x20 [ 67.332878][ T7899] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 67.338397][ T7906] ? mark_lock+0xc5/0x11d0 [ 67.338404][ T7906] ? add_mm_counter_fast+0xe0/0xe0 [ 67.338408][ T7906] ? __lock_acquire+0x96a/0x4ee0 [ 67.338414][ T7906] __handle_mm_fault+0xfcf/0x33f0 [ 67.338420][ T7906] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 67.338424][ T7906] ? handle_mm_fault+0x232/0x800 [ 67.338431][ T7906] ? __kasan_check_read+0x11/0x20 [ 67.338436][ T7906] handle_mm_fault+0x2e7/0x800 [ 67.338440][ T7906] ? find_vma+0xe2/0x150 [ 67.338447][ T7906] __do_page_fault+0x36e/0xa50 [ 67.338454][ T7906] do_page_fault+0x2d/0x3c2 [ 67.338462][ T7906] page_fault+0x39/0x40 [ 67.338467][ T7906] RIP: 0033:0x440ac1 [ 67.338473][ T7906] Code: 8d 15 e3 87 0a 00 8b 0c 8a 8b 04 82 29 c8 c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 fa 20 48 89 f8 73 77 f6 c2 01 74 0b 0f b6 0e <88> 0f 48 ff c6 48 ff c7 f6 c2 02 74 12 0f b7 0e 66 89 0f 48 83 c6 [ 67.370253][ T3891] kobject: 'loop4' (00000000be4c405a): kobject_uevent_env [ 67.375543][ T7906] RSP: 002b:00007ffda3a9e6e8 EFLAGS: 00010202 [ 67.375549][ T7906] RAX: 0000000020000080 RBX: 0000000000000000 RCX: 000000000000002f [ 67.375551][ T7906] RDX: 0000000000000009 RSI: 0000000000760020 RDI: 0000000020000080 [ 67.375553][ T7906] RBP: 0000000000760000 R08: 0000000000000000 R09: 0000000000000000 [ 67.375555][ T7906] R10: 00000000004395d0 R11: 0000000000000012 R12: 00000000004c5e06 [ 67.375557][ T7906] R13: 000000000000012c R14: 0000000000760008 R15: fffffffffffffffe [ 67.378282][ T7913] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 67.386945][ T3891] kobject: 'loop4' (00000000be4c405a): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 67.391390][ T7906] memory: usage 307008kB, limit 307200kB, failcnt 44 [ 67.402037][ T7930] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 67.403055][ T7913] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 67.409291][ T7930] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 67.413131][ T7906] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 67.483181][ T7930] debugfs: Directory '7930-4' with parent 'kvm' already present! [ 67.492440][ T7906] Memory cgroup stats for /syz3: [ 67.492480][ T7906] anon 301875200 [ 67.492480][ T7906] file 0 [ 67.492480][ T7906] kernel_stack 589824 [ 67.492480][ T7906] slab 8482816 [ 67.492480][ T7906] sock 0 [ 67.492480][ T7906] shmem 0 [ 67.492480][ T7906] file_mapped 0 [ 67.492480][ T7906] file_dirty 0 [ 67.492480][ T7906] file_writeback 0 [ 67.492480][ T7906] anon_thp 264241152 [ 67.492480][ T7906] inactive_anon 142553088 [ 67.492480][ T7906] active_anon 2367488 [ 67.492480][ T7906] inactive_file 0 [ 67.492480][ T7906] active_file 0 [ 67.492480][ T7906] unevictable 157069312 [ 67.492480][ T7906] slab_reclaimable 1081344 [ 67.492480][ T7906] slab_unreclaimable 7401472 [ 67.492480][ T7906] pgfault 15510 [ 67.492480][ T7906] pgmajfault 0 [ 67.492480][ T7906] workingset_refault 0 [ 67.492480][ T7906] workingset_activate 0 [ 67.492480][ T7906] workingset_nodereclaim 0 [ 67.492480][ T7906] pgrefill 0 [ 67.492480][ T7906] pgscan 0 [ 67.492480][ T7906] pgsteal 0 [ 67.492480][ T7906] pgactivate 0 [ 67.513061][ T7930] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 67.530157][ T7906] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz3,mems_allowed=0-1,oom_memcg=/syz3,task_memcg=/syz3,task=syz-executor.3,pid=7906,uid=0 [ 67.546935][ T7930] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 67.556060][ T7906] Memory cgroup out of memory: Killed process 7906 (syz-executor.3) total-vm:37892kB, anon-rss:18208kB, file-rss:18556kB, shmem-rss:0kB [ 67.770059][ T1065] oom_reaper: reaped process 7906 (syz-executor.3), now anon-rss:18200kB, file-rss:18552kB, shmem-rss:0kB [ 67.775049][ T7916] syz-executor.1 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 67.791703][ T7916] CPU: 1 PID: 7916 Comm: syz-executor.1 Not tainted 5.3.0-rc6+ #0 [ 67.799491][ T7916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.809533][ T7916] Call Trace: [ 67.812816][ T7916] dump_stack+0x113/0x167 [ 67.817135][ T7916] dump_header+0x10d/0x703 [ 67.821537][ T7916] ? ___ratelimit+0x243/0x519 [ 67.822991][ T3891] kobject: 'loop3' (00000000e5eab653): kobject_uevent_env [ 67.826200][ T7916] ? do_raw_spin_unlock+0x54/0x260 2019/09/02 22:36:23 executed programs: 75 [ 67.826207][ T7916] oom_kill_process.cold.34+0xb/0x10 [ 67.826212][ T7916] out_of_memory+0x599/0x1020 [ 67.826218][ T7916] ? oom_killer_disable+0x210/0x210 [ 67.834987][ T3891] kobject: 'loop3' (00000000e5eab653): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 67.838403][ T7916] ? __kasan_check_read+0x11/0x20 [ 67.838413][ T7916] mem_cgroup_out_of_memory+0x1d3/0x240 [ 67.838418][ T7916] ? mem_cgroup_charge_statistics+0x320/0x320 [ 67.838427][ T7916] ? do_raw_spin_unlock+0x54/0x260 [ 67.838435][ T7916] ? _raw_spin_unlock+0x2c/0x50 [ 67.860880][ T7936] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 67.863909][ T7916] try_charge+0xeec/0x1300 [ 67.863916][ T7916] ? mem_cgroup_oom_trylock+0x210/0x210 [ 67.869074][ T7936] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 67.874470][ T7916] ? percpu_ref_tryget_live+0x10a/0x290 [ 67.874476][ T7916] ? mem_cgroup_out_of_memory+0x240/0x240 [ 67.874480][ T7916] ? get_mem_cgroup_from_mm+0x16/0x310 [ 67.874488][ T7916] ? get_mem_cgroup_from_mm+0x165/0x310 [ 67.874494][ T7916] mem_cgroup_try_charge+0x137/0x590 [ 67.874500][ T7916] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 67.874508][ T7916] __handle_mm_fault+0x16e1/0x33f0 [ 67.955340][ T7916] ? rwlock_bug.part.2+0x90/0x90 [ 67.960359][ T7916] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 67.966417][ T7916] ? __kasan_check_read+0x11/0x20 [ 67.971449][ T7916] ? handle_mm_fault+0x232/0x800 [ 67.976380][ T7916] ? handle_mm_fault+0x59b/0x800 [ 67.981286][ T7916] ? trace_hardirqs_on+0x28/0x1a0 [ 67.986280][ T7916] handle_mm_fault+0x2e7/0x800 [ 67.991464][ T7916] __get_user_pages+0x574/0x1300 [ 67.996375][ T7916] ? follow_page_mask+0x1580/0x1580 [ 68.001540][ T7916] ? lock_acquire+0x194/0x410 [ 68.006191][ T7916] ? __mm_populate+0x1f7/0x330 [ 68.010924][ T7916] ? __kasan_check_write+0x14/0x20 [ 68.016023][ T7916] ? down_read+0x10f/0x430 [ 68.020411][ T7916] populate_vma_page_range+0x16c/0x200 [ 68.025848][ T7916] __mm_populate+0x1b5/0x330 [ 68.030414][ T7916] ? populate_vma_page_range+0x200/0x200 [ 68.036070][ T7916] ? __kasan_check_write+0x14/0x20 [ 68.041170][ T7916] ? up_write+0x14f/0x460 [ 68.045475][ T7916] ? ns_capable_common+0x5e/0xd0 [ 68.050388][ T7916] __x64_sys_mlockall+0x381/0x420 [ 68.055395][ T7916] do_syscall_64+0xca/0x5d0 [ 68.059870][ T7916] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.065731][ T7916] RIP: 0033:0x459879 [ 68.069603][ T7916] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.089185][ T7916] RSP: 002b:00007f55e727fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 68.097588][ T7916] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459879 [ 68.105544][ T7916] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 68.113659][ T7916] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 68.121668][ T7916] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55e72806d4 [ 68.129762][ T7916] R13: 00000000004c5d72 R14: 00000000004da7f8 R15: 00000000ffffffff [ 68.138676][ T7916] memory: usage 307196kB, limit 307200kB, failcnt 69 [ 68.145384][ T7916] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 68.152213][ T7916] Memory cgroup stats for /syz1: [ 68.152253][ T7916] anon 302059520 [ 68.152253][ T7916] file 0 [ 68.152253][ T7916] kernel_stack 589824 [ 68.152253][ T7916] slab 9179136 [ 68.152253][ T7916] sock 0 [ 68.152253][ T7916] shmem 0 [ 68.152253][ T7916] file_mapped 0 [ 68.152253][ T7916] file_dirty 0 [ 68.152253][ T7916] file_writeback 0 [ 68.152253][ T7916] anon_thp 270532608 [ 68.152253][ T7916] inactive_anon 140206080 [ 68.152253][ T7916] active_anon 2281472 [ 68.152253][ T7916] inactive_file 0 [ 68.152253][ T7916] active_file 0 [ 68.152253][ T7916] unevictable 159657984 [ 68.152253][ T7916] slab_reclaimable 1216512 [ 68.152253][ T7916] slab_unreclaimable 7962624 [ 68.152253][ T7916] pgfault 15147 [ 68.152253][ T7916] pgmajfault 0 [ 68.152253][ T7916] workingset_refault 0 [ 68.152253][ T7916] workingset_activate 0 [ 68.152253][ T7916] workingset_nodereclaim 0 [ 68.152253][ T7916] pgrefill 0 [ 68.152253][ T7916] pgscan 0 [ 68.152253][ T7916] pgsteal 0 [ 68.152253][ T7916] pgactivate 0 [ 68.247928][ T7916] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz1,mems_allowed=0-1,oom_memcg=/syz1,task_memcg=/syz1,task=syz-executor.1,pid=7856,uid=0 [ 68.263253][ T7916] Memory cgroup out of memory: Killed process 7856 (syz-executor.1) total-vm:38024kB, anon-rss:18360kB, file-rss:0kB, shmem-rss:0kB [ 68.277087][ T7918] syz-executor.5 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 68.280350][ T1065] oom_reaper: reaped process 7856 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 68.291769][ T7918] CPU: 1 PID: 7918 Comm: syz-executor.5 Not tainted 5.3.0-rc6+ #0 [ 68.305739][ T7918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.315782][ T7918] Call Trace: [ 68.319056][ T7918] dump_stack+0x113/0x167 [ 68.323370][ T7918] dump_header+0x10d/0x703 [ 68.327774][ T7918] ? ___ratelimit+0x243/0x519 [ 68.332445][ T7918] ? do_raw_spin_unlock+0x54/0x260 [ 68.337540][ T7918] oom_kill_process.cold.34+0xb/0x10 [ 68.342803][ T7918] out_of_memory+0x599/0x1020 [ 68.347550][ T7918] ? oom_killer_disable+0x210/0x210 [ 68.352728][ T7918] ? __kasan_check_read+0x11/0x20 [ 68.357724][ T7918] mem_cgroup_out_of_memory+0x1d3/0x240 [ 68.363246][ T7918] ? mem_cgroup_charge_statistics+0x320/0x320 [ 68.369293][ T7918] ? do_raw_spin_unlock+0x54/0x260 [ 68.374387][ T7918] ? _raw_spin_unlock+0x2c/0x50 [ 68.379213][ T7918] try_charge+0xeec/0x1300 [ 68.383613][ T7918] ? mem_cgroup_oom_trylock+0x210/0x210 [ 68.389141][ T7918] ? percpu_ref_tryget_live+0x10a/0x290 [ 68.394785][ T7918] ? mem_cgroup_out_of_memory+0x240/0x240 [ 68.400477][ T7918] ? get_mem_cgroup_from_mm+0x16/0x310 [ 68.405919][ T7918] ? get_mem_cgroup_from_mm+0x165/0x310 [ 68.411437][ T7918] mem_cgroup_try_charge+0x137/0x590 [ 68.416693][ T7918] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 68.422348][ T7918] __handle_mm_fault+0x16e1/0x33f0 [ 68.427444][ T7918] ? rwlock_bug.part.2+0x90/0x90 [ 68.432353][ T7918] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 68.437870][ T7918] ? __kasan_check_read+0x11/0x20 [ 68.442870][ T7918] ? handle_mm_fault+0x232/0x800 [ 68.447785][ T7918] ? handle_mm_fault+0x59b/0x800 [ 68.452691][ T7918] ? trace_hardirqs_on+0x28/0x1a0 [ 68.457686][ T7918] handle_mm_fault+0x2e7/0x800 [ 68.462442][ T7918] __get_user_pages+0x574/0x1300 [ 68.467463][ T7918] ? follow_page_mask+0x1580/0x1580 [ 68.472632][ T7918] ? lock_acquire+0x194/0x410 [ 68.477285][ T7918] ? __mm_populate+0x1f7/0x330 [ 68.482034][ T7918] ? __kasan_check_write+0x14/0x20 [ 68.487127][ T7918] ? down_read+0x10f/0x430 [ 68.491699][ T7918] populate_vma_page_range+0x16c/0x200 [ 68.497131][ T7918] __mm_populate+0x1b5/0x330 [ 68.501710][ T7918] ? populate_vma_page_range+0x200/0x200 [ 68.507319][ T7918] ? __kasan_check_write+0x14/0x20 [ 68.512400][ T7918] ? up_write+0x14f/0x460 [ 68.516711][ T7918] ? ns_capable_common+0x5e/0xd0 [ 68.521623][ T7918] __x64_sys_mlockall+0x381/0x420 [ 68.526632][ T7918] do_syscall_64+0xca/0x5d0 [ 68.531116][ T7918] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.537132][ T7918] RIP: 0033:0x459879 [ 68.541045][ T7918] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.560635][ T7918] RSP: 002b:00007ff6e5fcfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 68.569028][ T7918] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459879 [ 68.576975][ T7918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 68.584917][ T7918] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 68.592868][ T7918] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff6e5fd06d4 [ 68.600817][ T7918] R13: 00000000004c5d72 R14: 00000000004da7f8 R15: 00000000ffffffff [ 68.610362][ T7918] memory: usage 307192kB, limit 307200kB, failcnt 55 [ 68.617168][ T7918] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 68.624057][ T7918] Memory cgroup stats for /syz5: [ 68.624106][ T7918] anon 302108672 [ 68.624106][ T7918] file 0 [ 68.624106][ T7918] kernel_stack 589824 [ 68.624106][ T7918] slab 9273344 [ 68.624106][ T7918] sock 0 [ 68.624106][ T7918] shmem 0 [ 68.624106][ T7918] file_mapped 0 [ 68.624106][ T7918] file_dirty 0 [ 68.624106][ T7918] file_writeback 0 [ 68.624106][ T7918] anon_thp 268435456 [ 68.624106][ T7918] inactive_anon 124948480 [ 68.624106][ T7918] active_anon 159744 [ 68.624106][ T7918] inactive_file 0 [ 68.624106][ T7918] active_file 0 [ 68.624106][ T7918] unevictable 176902144 [ 68.624106][ T7918] slab_reclaimable 1081344 [ 68.624106][ T7918] slab_unreclaimable 8192000 [ 68.624106][ T7918] pgfault 15906 [ 68.624106][ T7918] pgmajfault 0 [ 68.624106][ T7918] workingset_refault 0 [ 68.624106][ T7918] workingset_activate 0 [ 68.624106][ T7918] workingset_nodereclaim 0 [ 68.624106][ T7918] pgrefill 0 [ 68.624106][ T7918] pgscan 0 [ 68.624106][ T7918] pgsteal 0 [ 68.624106][ T7918] pgactivate 0 [ 68.720078][ T7918] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz5,mems_allowed=0-1,oom_memcg=/syz5,task_memcg=/syz5,task=syz-executor.5,pid=7850,uid=0 [ 68.735614][ T7918] Memory cgroup out of memory: Killed process 7850 (syz-executor.5) total-vm:38024kB, anon-rss:18360kB, file-rss:0kB, shmem-rss:0kB [ 68.749597][ T7923] syz-executor.2 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 68.753143][ T1065] oom_reaper: reaped process 7850 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 68.774962][ T7923] CPU: 1 PID: 7923 Comm: syz-executor.2 Not tainted 5.3.0-rc6+ #0 [ 68.782769][ T7923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.790080][ T7918] debugfs: Directory '7918-4' with parent 'kvm' already present! [ 68.792810][ T7923] Call Trace: [ 68.792823][ T7923] dump_stack+0x113/0x167 [ 68.792832][ T7923] dump_header+0x10d/0x703 [ 68.792837][ T7923] ? ___ratelimit+0x243/0x519 [ 68.792844][ T7923] ? do_raw_spin_unlock+0x54/0x260 [ 68.792850][ T7923] oom_kill_process.cold.34+0xb/0x10 [ 68.808478][ T7918] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 68.813016][ T7923] out_of_memory+0x599/0x1020 [ 68.813024][ T7923] ? oom_killer_disable+0x210/0x210 [ 68.813029][ T7923] ? __kasan_check_read+0x11/0x20 [ 68.813039][ T7923] mem_cgroup_out_of_memory+0x1d3/0x240 [ 68.813044][ T7923] ? mem_cgroup_charge_statistics+0x320/0x320 [ 68.823283][ T7918] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 68.828062][ T7923] ? do_raw_spin_unlock+0x54/0x260 [ 68.828070][ T7923] ? _raw_spin_unlock+0x2c/0x50 [ 68.828077][ T7923] try_charge+0xeec/0x1300 [ 68.828083][ T7923] ? mem_cgroup_oom_trylock+0x210/0x210 [ 68.828088][ T7923] ? percpu_ref_tryget_live+0x10a/0x290 [ 68.828092][ T7923] ? mem_cgroup_out_of_memory+0x240/0x240 [ 68.828096][ T7923] ? get_mem_cgroup_from_mm+0x16/0x310 [ 68.828104][ T7923] ? get_mem_cgroup_from_mm+0x165/0x310 [ 68.913205][ T7923] mem_cgroup_try_charge+0x137/0x590 [ 68.918472][ T7923] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 68.924124][ T7923] __handle_mm_fault+0x16e1/0x33f0 [ 68.929215][ T7923] ? rwlock_bug.part.2+0x90/0x90 [ 68.934141][ T7923] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 68.939655][ T7923] ? __kasan_check_read+0x11/0x20 [ 68.944650][ T7923] ? handle_mm_fault+0x232/0x800 [ 68.949561][ T7923] ? handle_mm_fault+0x59b/0x800 [ 68.954467][ T7923] ? trace_hardirqs_on+0x28/0x1a0 [ 68.959460][ T7923] handle_mm_fault+0x2e7/0x800 [ 68.964196][ T7923] __get_user_pages+0x574/0x1300 [ 68.969114][ T7923] ? follow_page_mask+0x1580/0x1580 [ 68.974286][ T7923] ? lock_acquire+0x194/0x410 [ 68.978936][ T7923] ? __mm_populate+0x1f7/0x330 [ 68.983680][ T7923] ? __kasan_check_write+0x14/0x20 [ 68.988760][ T7923] ? down_read+0x10f/0x430 [ 68.993149][ T7923] populate_vma_page_range+0x16c/0x200 [ 68.998586][ T7923] __mm_populate+0x1b5/0x330 [ 69.003153][ T7923] ? populate_vma_page_range+0x200/0x200 [ 69.008760][ T7923] ? __kasan_check_write+0x14/0x20 [ 69.013856][ T7923] ? up_write+0x14f/0x460 [ 69.018156][ T7923] ? ns_capable_common+0x5e/0xd0 [ 69.023063][ T7923] __x64_sys_mlockall+0x381/0x420 [ 69.028055][ T7923] do_syscall_64+0xca/0x5d0 [ 69.032530][ T7923] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.038397][ T7923] RIP: 0033:0x459879 [ 69.042268][ T7923] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.061957][ T7923] RSP: 002b:00007efd629efc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 69.070343][ T7923] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459879 [ 69.078293][ T7923] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 69.086242][ T7923] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 69.094187][ T7923] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efd629f06d4 [ 69.102130][ T7923] R13: 00000000004c5d72 R14: 00000000004da7f8 R15: 00000000ffffffff [ 69.110765][ T7923] memory: usage 307200kB, limit 307200kB, failcnt 1035 [ 69.118332][ T7923] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 69.125391][ T7923] Memory cgroup stats for /syz2: [ 69.125435][ T7923] anon 302747648 [ 69.125435][ T7923] file 0 [ 69.125435][ T7923] kernel_stack 589824 [ 69.125435][ T7923] slab 8683520 [ 69.125435][ T7923] sock 0 [ 69.125435][ T7923] shmem 0 [ 69.125435][ T7923] file_mapped 0 [ 69.125435][ T7923] file_dirty 0 [ 69.125435][ T7923] file_writeback 0 [ 69.125435][ T7923] anon_thp 270532608 [ 69.125435][ T7923] inactive_anon 142221312 [ 69.125435][ T7923] active_anon 2318336 [ 69.125435][ T7923] inactive_file 0 [ 69.125435][ T7923] active_file 0 [ 69.125435][ T7923] unevictable 158363648 [ 69.125435][ T7923] slab_reclaimable 1216512 [ 69.125435][ T7923] slab_unreclaimable 7467008 [ 69.125435][ T7923] pgfault 14091 [ 69.125435][ T7923] pgmajfault 0 [ 69.125435][ T7923] workingset_refault 0 [ 69.125435][ T7923] workingset_activate 0 [ 69.125435][ T7923] workingset_nodereclaim 0 [ 69.125435][ T7923] pgrefill 0 [ 69.125435][ T7923] pgscan 0 [ 69.125435][ T7923] pgsteal 0 [ 69.125435][ T7923] pgactivate 0 [ 69.223348][ T7923] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz2,mems_allowed=0-1,oom_memcg=/syz2,task_memcg=/syz2,task=syz-executor.2,pid=7887,uid=0 [ 69.238761][ T7923] Memory cgroup out of memory: Killed process 7887 (syz-executor.2) total-vm:38024kB, anon-rss:18360kB, file-rss:0kB, shmem-rss:0kB [ 69.253425][ T1065] oom_reaper: reaped process 7887 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 69.265965][ T7921] syz-executor.2 invoked oom-killer: gfp_mask=0x40cc0(GFP_KERNEL|__GFP_COMP), order=1, oom_score_adj=1000 [ 69.277832][ T7921] CPU: 1 PID: 7921 Comm: syz-executor.2 Not tainted 5.3.0-rc6+ #0 [ 69.286944][ T7921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.296980][ T7921] Call Trace: [ 69.300270][ T7921] dump_stack+0x113/0x167 [ 69.304571][ T7921] dump_header+0x10d/0x703 [ 69.308968][ T7921] ? ___ratelimit+0x243/0x519 [ 69.313611][ T7921] ? do_raw_spin_unlock+0x54/0x260 [ 69.318690][ T7921] oom_kill_process.cold.34+0xb/0x10 [ 69.324029][ T7921] out_of_memory+0x599/0x1020 [ 69.328781][ T7921] ? oom_killer_disable+0x210/0x210 [ 69.333953][ T7921] ? __kasan_check_read+0x11/0x20 [ 69.338957][ T7921] mem_cgroup_out_of_memory+0x1d3/0x240 [ 69.344479][ T7921] ? mem_cgroup_charge_statistics+0x320/0x320 [ 69.350512][ T7921] ? do_raw_spin_unlock+0x54/0x260 [ 69.355590][ T7921] ? _raw_spin_unlock+0x2c/0x50 [ 69.360409][ T7921] try_charge+0xa2b/0x1300 [ 69.364819][ T7921] ? mem_cgroup_oom_trylock+0x210/0x210 [ 69.370417][ T7921] ? ___might_sleep+0x16b/0x270 [ 69.375240][ T7921] ? __kasan_check_read+0x11/0x20 [ 69.380244][ T7921] ? __kasan_check_read+0x11/0x20 [ 69.385442][ T7921] ? cache_grow_begin+0x120/0xd40 [ 69.390441][ T7921] __memcg_kmem_charge_memcg+0x71/0xf0 [ 69.395891][ T7921] ? memcg_kmem_put_cache+0x1e0/0x1e0 [ 69.401236][ T7921] ? cache_grow_begin+0x7f9/0xd40 [ 69.406231][ T7921] ? cache_grow_begin+0x592/0xd40 [ 69.411223][ T7921] cache_grow_begin+0x5bd/0xd40 [ 69.416043][ T7921] ? __cpuset_node_allowed+0x6b/0x420 [ 69.421394][ T7921] fallback_alloc+0x203/0x2e0 [ 69.426039][ T7921] ____cache_alloc_node+0x1c5/0x1e0 [ 69.431205][ T7921] ? trace_hardirqs_off+0x41/0x1a0 [ 69.436299][ T7921] kmem_cache_alloc_node+0xe3/0x760 [ 69.441464][ T7921] ? _raw_spin_unlock_irq+0x27/0x80 [ 69.446635][ T7921] ? trace_hardirqs_on+0x28/0x1a0 [ 69.451627][ T7921] copy_process+0x16e7/0x62a0 [ 69.456273][ T7921] ? __fd_install+0x179/0x4b0 [ 69.460924][ T7921] ? exit_robust_list+0x1c0/0x1c0 [ 69.465917][ T7921] ? kvm_dev_ioctl+0x8e5/0x1480 [ 69.470737][ T7921] ? __cleanup_sighand+0x40/0x40 [ 69.475647][ T7921] ? __kasan_check_read+0x11/0x20 [ 69.480653][ T7921] ? __fget+0x294/0x420 [ 69.484775][ T7921] ? lock_downgrade+0x900/0x900 [ 69.489599][ T7921] _do_fork+0xec/0xbd0 [ 69.493636][ T7921] ? copy_init_mm+0x20/0x20 [ 69.498109][ T7921] ? __kasan_check_read+0x11/0x20 [ 69.503098][ T7921] ? _copy_to_user+0xcb/0xf0 [ 69.507659][ T7921] __x64_sys_clone+0x18c/0x240 [ 69.512391][ T7921] ? __ia32_sys_vfork+0xc0/0xc0 [ 69.517226][ T7921] ? trace_hardirqs_off_caller+0x49/0x190 [ 69.522924][ T7921] ? do_syscall_64+0x21/0x5d0 [ 69.527577][ T7921] ? trace_hardirqs_on+0x28/0x1a0 [ 69.532592][ T7921] do_syscall_64+0xca/0x5d0 [ 69.537070][ T7921] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.542930][ T7921] RIP: 0033:0x459879 [ 69.546806][ T7921] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.567778][ T7921] RSP: 002b:00007efd62a10c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 69.576156][ T7921] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000459879 [ 69.584182][ T7921] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000000000000 [ 69.592127][ T7921] RBP: 000000000075bf20 R08: ffffffffffffffff R09: 0000000000000000 [ 69.600066][ T7921] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efd62a116d4 [ 69.608013][ T7921] R13: 00000000004bfd46 R14: 00000000004d1af8 R15: 00000000ffffffff [ 69.617821][ T7921] memory: usage 303820kB, limit 307200kB, failcnt 1035 [ 69.617890][ T7939] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 69.624787][ T7921] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 69.638701][ T7921] Memory cgroup stats for /syz2: [ 69.638741][ T7921] anon 299429888 [ 69.638741][ T7921] file 0 [ 69.638741][ T7921] kernel_stack 589824 [ 69.638741][ T7921] slab 8683520 [ 69.638741][ T7921] sock 0 [ 69.638741][ T7921] shmem 0 [ 69.638741][ T7921] file_mapped 0 [ 69.638741][ T7921] file_dirty 0 [ 69.638741][ T7921] file_writeback 0 [ 69.638741][ T7921] anon_thp 268435456 [ 69.638741][ T7921] inactive_anon 123404288 [ 69.638741][ T7921] active_anon 192512 [ 69.638741][ T7921] inactive_file 0 [ 69.638741][ T7921] active_file 0 [ 69.638741][ T7921] unevictable 175861760 [ 69.638741][ T7921] slab_reclaimable 1216512 [ 69.638741][ T7921] slab_unreclaimable 7467008 [ 69.638741][ T7921] pgfault 14553 [ 69.638741][ T7921] pgmajfault 0 [ 69.638741][ T7921] workingset_refault 0 [ 69.638741][ T7921] workingset_activate 0 [ 69.638741][ T7921] workingset_nodereclaim 0 [ 69.638741][ T7921] pgrefill 0 [ 69.638741][ T7921] pgscan 0 [ 69.638741][ T7921] pgsteal 0 [ 69.638741][ T7921] pgactivate 0 [ 69.645130][ T7939] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 69.734725][ T7921] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz2,mems_allowed=0-1,oom_memcg=/syz2,task_memcg=/syz2,task=syz-executor.2,pid=7802,uid=0 [ 69.760521][ T7920] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 69.767764][ T7920] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 69.771446][ T3891] kobject: 'loop1' (0000000086b3d628): kobject_uevent_env [ 69.777778][ T7921] Memory cgroup out of memory: Killed process 7802 (syz-executor.2) total-vm:38024kB, anon-rss:18360kB, file-rss:0kB, shmem-rss:0kB [ 69.798469][ T7926] syz-executor.0 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 69.803044][ T1065] oom_reaper: reaped process 7802 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 69.808947][ T7926] CPU: 1 PID: 7926 Comm: syz-executor.0 Not tainted 5.3.0-rc6+ #0 [ 69.821454][ T7941] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 69.827000][ T7926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.827003][ T7926] Call Trace: [ 69.827014][ T7926] dump_stack+0x113/0x167 [ 69.827022][ T7926] dump_header+0x10d/0x703 [ 69.827028][ T7926] ? ___ratelimit+0x243/0x519 [ 69.835079][ T3891] kobject: 'loop1' (0000000086b3d628): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 69.843997][ T7926] ? do_raw_spin_unlock+0x54/0x260 [ 69.844006][ T7926] oom_kill_process.cold.34+0xb/0x10 [ 69.857329][ T7941] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 69.860635][ T7926] out_of_memory+0x599/0x1020 [ 69.860643][ T7926] ? oom_killer_disable+0x210/0x210 [ 69.860649][ T7926] ? __kasan_check_read+0x11/0x20 [ 69.860658][ T7926] mem_cgroup_out_of_memory+0x1d3/0x240 [ 69.860664][ T7926] ? mem_cgroup_charge_statistics+0x320/0x320 [ 69.878517][ T7944] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 69.881200][ T7926] ? do_raw_spin_unlock+0x54/0x260 [ 69.881207][ T7926] ? _raw_spin_unlock+0x2c/0x50 [ 69.881216][ T7926] try_charge+0xeec/0x1300 [ 69.892096][ T7928] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 69.895567][ T7926] ? mem_cgroup_oom_trylock+0x210/0x210 [ 69.895573][ T7926] ? percpu_ref_tryget_live+0x10a/0x290 [ 69.895579][ T7926] ? mem_cgroup_out_of_memory+0x240/0x240 [ 69.908485][ T7928] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 69.911291][ T7926] ? get_mem_cgroup_from_mm+0x16/0x310 [ 69.911299][ T7926] ? get_mem_cgroup_from_mm+0x165/0x310 [ 69.911305][ T7926] mem_cgroup_try_charge+0x137/0x590 [ 69.911311][ T7926] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 69.911318][ T7926] wp_page_copy+0x3ae/0x1160 [ 69.921875][ T7944] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 69.924267][ T7926] ? pmd_devmap_trans_unstable+0x130/0x130 [ 69.924273][ T7926] ? lock_downgrade+0x900/0x900 [ 69.924281][ T7926] ? swp_swapcount+0x490/0x490 [ 69.924287][ T7926] ? __kasan_check_read+0x11/0x20 [ 69.924293][ T7926] ? do_raw_spin_unlock+0x54/0x260 [ 69.955488][ T7940] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 69.956614][ T7926] do_wp_page+0x1be/0x1240 [ 69.956621][ T7926] ? finish_mkwrite_fault+0x540/0x540 [ 69.956629][ T7926] __handle_mm_fault+0x1ab6/0x33f0 [ 69.956635][ T7926] ? rwlock_bug.part.2+0x90/0x90 [ 69.956643][ T7926] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 69.969501][ T7940] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 69.972204][ T7926] ? __kasan_check_read+0x11/0x20 [ 69.972212][ T7926] ? handle_mm_fault+0x232/0x800 [ 69.972219][ T7926] ? handle_mm_fault+0x59b/0x800 [ 69.972224][ T7926] ? trace_hardirqs_on+0x28/0x1a0 [ 69.972230][ T7926] handle_mm_fault+0x2e7/0x800 [ 69.993542][ T3891] kobject: 'loop5' (000000001ed8fc2b): kobject_uevent_env [ 69.994070][ T7926] __get_user_pages+0x574/0x1300 [ 69.994078][ T7926] ? follow_page_mask+0x1580/0x1580 [ 69.994085][ T7926] ? lock_acquire+0x194/0x410 [ 69.994089][ T7926] ? __mm_populate+0x1f7/0x330 [ 69.994097][ T7926] ? __kasan_check_write+0x14/0x20 [ 69.994106][ T7926] ? down_read+0x10f/0x430 [ 69.999582][ T3891] kobject: 'loop5' (000000001ed8fc2b): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 70.008358][ T7926] populate_vma_page_range+0x16c/0x200 [ 70.008365][ T7926] __mm_populate+0x1b5/0x330 [ 70.008371][ T7926] ? populate_vma_page_range+0x200/0x200 [ 70.008376][ T7926] ? __kasan_check_write+0x14/0x20 [ 70.008383][ T7926] ? up_write+0x14f/0x460 [ 70.008390][ T7926] ? ns_capable_common+0x5e/0xd0 [ 70.008396][ T7926] __x64_sys_mlockall+0x381/0x420 [ 70.008403][ T7926] do_syscall_64+0xca/0x5d0 [ 70.008410][ T7926] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.008416][ T7926] RIP: 0033:0x459879 [ 70.021041][ T7948] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 70.023764][ T7926] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.023768][ T7926] RSP: 002b:00007fa320546c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 70.023773][ T7926] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459879 [ 70.023776][ T7926] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 70.023778][ T7926] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 70.023781][ T7926] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3205476d4 [ 70.023784][ T7926] R13: 00000000004c5d72 R14: 00000000004da7f8 R15: 00000000ffffffff [ 70.080841][ T7926] memory: usage 304236kB, limit 307200kB, failcnt 108 [ 70.091732][ T3891] kobject: 'loop2' (0000000074bb3a27): kobject_uevent_env [ 70.100225][ T7950] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 70.104267][ T3891] kobject: 'loop2' (0000000074bb3a27): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 70.110187][ T7926] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 70.152910][ T7948] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 70.158502][ T7950] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 70.166917][ T7947] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 70.210457][ T7926] Memory cgroup stats for /syz0: [ 70.210500][ T7926] anon 299491328 [ 70.210500][ T7926] file 0 [ 70.210500][ T7926] kernel_stack 589824 [ 70.210500][ T7926] slab 9113600 [ 70.210500][ T7926] sock 0 [ 70.210500][ T7926] shmem 0 [ 70.210500][ T7926] file_mapped 0 [ 70.210500][ T7926] file_dirty 0 [ 70.210500][ T7926] file_writeback 0 [ 70.210500][ T7926] anon_thp 266338304 [ 70.210500][ T7926] inactive_anon 144244736 [ 70.210500][ T7926] active_anon 221184 [ 70.210500][ T7926] inactive_file 0 [ 70.210500][ T7926] active_file 0 [ 70.210500][ T7926] unevictable 155066368 [ 70.210500][ T7926] slab_reclaimable 1081344 [ 70.210500][ T7926] slab_unreclaimable 8032256 [ 70.210500][ T7926] pgfault 15477 [ 70.210500][ T7926] pgmajfault 0 [ 70.210500][ T7926] workingset_refault 0 [ 70.210500][ T7926] workingset_activate 0 [ 70.210500][ T7926] workingset_nodereclaim 0 [ 70.210500][ T7926] pgrefill 0 [ 70.210500][ T7926] pgscan 0 [ 70.210500][ T7926] pgsteal 0 [ 70.210500][ T7926] pgactivate 0 [ 70.229126][ T7947] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 70.235219][ T7950] debugfs: Directory '7950-4' with parent 'kvm' already present! [ 70.246100][ T7926] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz0,mems_allowed=0-1,oom_memcg=/syz0,task_memcg=/syz0,task=syz-executor.0,pid=7924,uid=0 [ 70.268000][ T7950] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 70.287874][ T7948] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 70.297240][ T7926] Memory cgroup out of memory: Killed process 7926 (syz-executor.0) total-vm:37892kB, anon-rss:18352kB, file-rss:19520kB, shmem-rss:0kB [ 70.304722][ T7948] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 70.348197][ T7950] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 70.435196][ T7932] syz-executor.4 invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=1000 [ 70.522278][ T7950] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 70.529672][ T7926] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 70.540966][ T7950] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 70.541322][ T7926] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 70.561100][ T7930] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 70.572084][ T7930] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 70.575349][ T7932] CPU: 0 PID: 7932 Comm: syz-executor.4 Not tainted 5.3.0-rc6+ #0 [ 70.584453][ T3891] kobject: 'loop0' (00000000b4567a88): kobject_uevent_env [ 70.589575][ T7932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.589578][ T7932] Call Trace: [ 70.589589][ T7932] dump_stack+0x113/0x167 [ 70.589597][ T7932] dump_header+0x10d/0x703 [ 70.589602][ T7932] ? ___ratelimit+0x243/0x519 [ 70.589608][ T7932] ? do_raw_spin_unlock+0x54/0x260 [ 70.589612][ T7932] oom_kill_process.cold.34+0xb/0x10 [ 70.589620][ T7932] out_of_memory+0x599/0x1020 [ 70.600389][ T3891] kobject: 'loop0' (00000000b4567a88): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 70.606757][ T7932] ? oom_killer_disable+0x210/0x210 [ 70.606764][ T7932] ? __kasan_check_read+0x11/0x20 [ 70.606773][ T7932] mem_cgroup_out_of_memory+0x1d3/0x240 [ 70.606777][ T7932] ? mem_cgroup_charge_statistics+0x320/0x320 [ 70.606786][ T7932] ? do_raw_spin_unlock+0x54/0x260 [ 70.606792][ T7932] ? _raw_spin_unlock+0x2c/0x50 [ 70.606796][ T7932] try_charge+0xeec/0x1300 [ 70.606801][ T7932] ? percpu_ref_tryget_live+0x80/0x290 [ 70.606805][ T7932] ? mem_cgroup_oom_trylock+0x210/0x210 [ 70.606809][ T7932] ? __kasan_check_read+0x11/0x20 [ 70.606815][ T7932] ? get_mem_cgroup_from_mm+0x148/0x310 [ 70.678153][ T7960] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 70.680597][ T7932] ? lock_downgrade+0x900/0x900 [ 70.680606][ T7932] ? percpu_ref_tryget_live+0x10a/0x290 [ 70.680613][ T7932] __memcg_kmem_charge_memcg+0x71/0xf0 [ 70.680617][ T7932] ? memcg_kmem_put_cache+0x1e0/0x1e0 [ 70.680623][ T7932] ? get_mem_cgroup_from_mm+0x165/0x310 [ 70.685158][ T7960] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 70.690447][ T7932] __memcg_kmem_charge+0x139/0x3a0 [ 70.690454][ T7932] __alloc_pages_nodemask+0x4f9/0x870 [ 70.690461][ T7932] ? __alloc_pages_slowpath+0x2530/0x2530 [ 70.690471][ T7932] alloc_pages_current+0xd6/0x1b0 [ 70.690478][ T7932] pte_alloc_one+0x14/0x130 [ 70.690485][ T7932] __handle_mm_fault+0x2899/0x33f0 [ 70.739013][ T7960] debugfs: Directory '7960-4' with parent 'kvm' already present! [ 70.740072][ T7932] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 70.740079][ T7932] ? __kasan_check_read+0x11/0x20 [ 70.740085][ T7932] ? lock_acquire+0x194/0x410 [ 70.740091][ T7932] ? handle_mm_fault+0x232/0x800 [ 70.808805][ T7932] ? handle_mm_fault+0x59b/0x800 [ 70.813713][ T7932] ? trace_hardirqs_on+0x28/0x1a0 [ 70.818711][ T7932] handle_mm_fault+0x2e7/0x800 [ 70.823545][ T7932] ? find_vma+0xe2/0x150 [ 70.827758][ T7932] __do_page_fault+0x36e/0xa50 [ 70.832496][ T7932] do_page_fault+0x2d/0x3c2 [ 70.836971][ T7932] page_fault+0x39/0x40 [ 70.841111][ T7932] RIP: 0033:0x459879 [ 70.844996][ T7932] Code: Bad RIP value. [ 70.849039][ T7932] RSP: 002b:00007f891a0f0c78 EFLAGS: 00010246 [ 70.855098][ T7932] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000459879 [ 70.857596][ T7937] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 70.863053][ T7932] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000000000000 [ 70.863055][ T7932] RBP: 000000000075bf20 R08: ffffffffffffffff R09: 0000000000000000 [ 70.863058][ T7932] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f891a0f16d4 [ 70.863060][ T7932] R13: 00000000004bfd46 R14: 00000000004d1af8 R15: 00000000ffffffff [ 70.879691][ T7932] memory: usage 304876kB, limit 307200kB, failcnt 102 [ 70.889412][ T3891] kobject: 'loop4' (00000000be4c405a): kobject_uevent_env [ 70.899403][ T7932] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 70.915454][ T3891] kobject: 'loop4' (00000000be4c405a): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 70.918151][ T7932] Memory cgroup stats for /syz4: [ 70.918194][ T7932] anon 301727744 [ 70.918194][ T7932] file 0 [ 70.918194][ T7932] kernel_stack 524288 [ 70.918194][ T7932] slab 9678848 [ 70.918194][ T7932] sock 0 [ 70.918194][ T7932] shmem 0 [ 70.918194][ T7932] file_mapped 0 [ 70.918194][ T7932] file_dirty 0 [ 70.918194][ T7932] file_writeback 0 [ 70.918194][ T7932] anon_thp 262144000 [ 70.918194][ T7932] inactive_anon 152760320 [ 70.918194][ T7932] active_anon 2318336 [ 70.918194][ T7932] inactive_file 0 [ 70.918194][ T7932] active_file 0 [ 70.918194][ T7932] unevictable 146743296 [ 70.918194][ T7932] slab_reclaimable 1216512 [ 70.918194][ T7932] slab_unreclaimable 8462336 [ 70.918194][ T7932] pgfault 19503 [ 70.918194][ T7932] pgmajfault 0 [ 70.918194][ T7932] workingset_refault 0 [ 70.918194][ T7932] workingset_activate 0 [ 70.918194][ T7932] workingset_nodereclaim 0 [ 70.918194][ T7932] pgrefill 0 [ 70.918194][ T7932] pgscan 0 [ 70.918194][ T7932] pgsteal 0 [ 70.918194][ T7932] pgactivate 0 [ 70.926566][ T3891] kobject: 'loop2' (0000000074bb3a27): kobject_uevent_env [ 70.932936][ T7937] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 70.937902][ T3891] kobject: 'loop2' (0000000074bb3a27): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 71.030295][ T7966] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 71.035883][ T7932] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz4,mems_allowed=0-1,oom_memcg=/syz4,task_memcg=/syz4,task=syz-executor.4,pid=7929,uid=0 [ 71.052941][ T7966] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 71.058476][ T7945] syz-executor.1 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 71.108213][ T7932] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 71.117206][ T7932] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 71.127222][ T7945] CPU: 1 PID: 7945 Comm: syz-executor.1 Not tainted 5.3.0-rc6+ #0 [ 71.135121][ T7945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.139486][ T7970] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 71.145251][ T7945] Call Trace: [ 71.145265][ T7945] dump_stack+0x113/0x167 [ 71.145274][ T7945] dump_header+0x10d/0x703 [ 71.145279][ T7945] ? ___ratelimit+0x243/0x519 [ 71.145285][ T7945] ? do_raw_spin_unlock+0x54/0x260 [ 71.145291][ T7945] oom_kill_process.cold.34+0xb/0x10 [ 71.152291][ T7970] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 71.155477][ T7945] out_of_memory+0x599/0x1020 [ 71.155484][ T7945] ? oom_killer_disable+0x210/0x210 [ 71.155490][ T7945] ? __kasan_check_read+0x11/0x20 [ 71.155500][ T7945] mem_cgroup_out_of_memory+0x1d3/0x240 [ 71.155504][ T7945] ? mem_cgroup_charge_statistics+0x320/0x320 [ 71.155511][ T7945] ? do_raw_spin_unlock+0x54/0x260 [ 71.155516][ T7945] ? _raw_spin_unlock+0x2c/0x50 [ 71.155522][ T7945] try_charge+0xeec/0x1300 [ 71.195872][ T3891] kobject: 'loop3' (00000000e5eab653): kobject_uevent_env [ 71.198875][ T7945] ? mem_cgroup_oom_trylock+0x210/0x210 [ 71.198882][ T7945] ? percpu_ref_tryget_live+0x10a/0x290 [ 71.198887][ T7945] ? mem_cgroup_out_of_memory+0x240/0x240 [ 71.198891][ T7945] ? get_mem_cgroup_from_mm+0x16/0x310 [ 71.198900][ T7945] ? get_mem_cgroup_from_mm+0x165/0x310 [ 71.203996][ T3891] kobject: 'loop3' (00000000e5eab653): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 71.209429][ T7945] mem_cgroup_try_charge+0x137/0x590 [ 71.209434][ T7945] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 71.209442][ T7945] __handle_mm_fault+0x16e1/0x33f0 [ 71.209448][ T7945] ? rwlock_bug.part.2+0x90/0x90 [ 71.209454][ T7945] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 71.209459][ T7945] ? __kasan_check_read+0x11/0x20 [ 71.209464][ T7945] ? handle_mm_fault+0x232/0x800 [ 71.209471][ T7945] ? handle_mm_fault+0x59b/0x800 [ 71.315807][ T7945] ? trace_hardirqs_on+0x28/0x1a0 [ 71.320805][ T7945] handle_mm_fault+0x2e7/0x800 [ 71.325543][ T7945] __get_user_pages+0x574/0x1300 [ 71.330461][ T7945] ? follow_page_mask+0x1580/0x1580 [ 71.335665][ T7945] ? lock_acquire+0x194/0x410 [ 71.340315][ T7945] ? __mm_populate+0x1f7/0x330 [ 71.345051][ T7945] ? __kasan_check_write+0x14/0x20 [ 71.350134][ T7945] ? down_read+0x10f/0x430 [ 71.354531][ T7945] populate_vma_page_range+0x16c/0x200 [ 71.359970][ T7945] __mm_populate+0x1b5/0x330 [ 71.364591][ T7945] ? populate_vma_page_range+0x200/0x200 [ 71.370197][ T7945] ? __kasan_check_write+0x14/0x20 [ 71.375280][ T7945] ? up_write+0x14f/0x460 [ 71.379579][ T7945] ? ns_capable_common+0x5e/0xd0 [ 71.384489][ T7945] __x64_sys_mlockall+0x381/0x420 [ 71.389496][ T7945] do_syscall_64+0xca/0x5d0 [ 71.393981][ T7945] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.399848][ T7945] RIP: 0033:0x459879 [ 71.403712][ T7945] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.423289][ T7945] RSP: 002b:00007f55e725ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 71.431673][ T7945] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459879 [ 71.439632][ T7945] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 71.447594][ T7945] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 71.455559][ T7945] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55e725f6d4 [ 71.463502][ T7945] R13: 00000000004c5d72 R14: 00000000004da7f8 R15: 00000000ffffffff [ 71.474477][ T7945] memory: usage 307200kB, limit 307200kB, failcnt 161 [ 71.484255][ T7945] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 71.492446][ T7945] Memory cgroup stats for /syz1: [ 71.492494][ T7945] anon 301350912 [ 71.492494][ T7945] file 0 [ 71.492494][ T7945] kernel_stack 655360 [ 71.492494][ T7945] slab 9781248 [ 71.492494][ T7945] sock 0 [ 71.492494][ T7945] shmem 0 [ 71.492494][ T7945] file_mapped 0 [ 71.492494][ T7945] file_dirty 0 [ 71.492494][ T7945] file_writeback 0 [ 71.492494][ T7945] anon_thp 270532608 [ 71.492494][ T7945] inactive_anon 121397248 [ 71.492494][ T7945] active_anon 2269184 [ 71.492494][ T7945] inactive_file 0 [ 71.492494][ T7945] active_file 0 [ 71.492494][ T7945] unevictable 177774592 [ 71.492494][ T7945] slab_reclaimable 1351680 [ 71.492494][ T7945] slab_unreclaimable 8429568 [ 71.492494][ T7945] pgfault 16599 [ 71.492494][ T7945] pgmajfault 0 [ 71.492494][ T7945] workingset_refault 0 [ 71.492494][ T7945] workingset_activate 0 [ 71.492494][ T7945] workingset_nodereclaim 0 [ 71.492494][ T7945] pgrefill 0 [ 71.492494][ T7945] pgscan 0 [ 71.492494][ T7945] pgsteal 0 [ 71.492494][ T7945] pgactivate 0 [ 71.588831][ T7945] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz1,mems_allowed=0-1,oom_memcg=/syz1,task_memcg=/syz1,task=syz-executor.1,pid=7943,uid=0 [ 71.604514][ T7945] Memory cgroup out of memory: Killed process 7943 (syz-executor.1) total-vm:37892kB, anon-rss:17840kB, file-rss:18556kB, shmem-rss:0kB [ 71.619789][ T1065] oom_reaper: reaped process 7943 (syz-executor.1), now anon-rss:17868kB, file-rss:19516kB, shmem-rss:0kB [ 71.625030][ T7952] syz-executor.5 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 71.643532][ T7952] CPU: 1 PID: 7952 Comm: syz-executor.5 Not tainted 5.3.0-rc6+ #0 [ 71.651329][ T7952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.657115][ T3891] kobject: 'loop1' (0000000086b3d628): kobject_uevent_env [ 71.661372][ T7952] Call Trace: [ 71.661385][ T7952] dump_stack+0x113/0x167 [ 71.661394][ T7952] dump_header+0x10d/0x703 [ 71.661398][ T7952] ? ___ratelimit+0x243/0x519 [ 71.661405][ T7952] ? do_raw_spin_unlock+0x54/0x260 [ 71.661411][ T7952] oom_kill_process.cold.34+0xb/0x10 [ 71.671332][ T3891] kobject: 'loop1' (0000000086b3d628): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 71.671758][ T7952] out_of_memory+0x599/0x1020 [ 71.671766][ T7952] ? oom_killer_disable+0x210/0x210 [ 71.671771][ T7952] ? __kasan_check_read+0x11/0x20 [ 71.671780][ T7952] mem_cgroup_out_of_memory+0x1d3/0x240 [ 71.684102][ T7976] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 71.685128][ T7952] ? mem_cgroup_charge_statistics+0x320/0x320 [ 71.685138][ T7952] ? do_raw_spin_unlock+0x54/0x260 [ 71.685145][ T7952] ? _raw_spin_unlock+0x2c/0x50 [ 71.685150][ T7952] try_charge+0xeec/0x1300 [ 71.685157][ T7952] ? mem_cgroup_oom_trylock+0x210/0x210 [ 71.685160][ T7952] ? percpu_ref_tryget_live+0x10a/0x290 [ 71.685164][ T7952] ? mem_cgroup_out_of_memory+0x240/0x240 [ 71.685171][ T7952] ? get_mem_cgroup_from_mm+0x16/0x310 [ 71.690338][ T7976] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 71.695510][ T7952] ? get_mem_cgroup_from_mm+0x165/0x310 [ 71.695516][ T7952] mem_cgroup_try_charge+0x137/0x590 [ 71.695523][ T7952] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 71.695529][ T7952] wp_page_copy+0x3ae/0x1160 [ 71.695536][ T7952] ? pmd_devmap_trans_unstable+0x130/0x130 [ 71.695540][ T7952] ? lock_downgrade+0x900/0x900 [ 71.695547][ T7952] ? swp_swapcount+0x490/0x490 [ 71.695553][ T7952] ? __kasan_check_read+0x11/0x20 [ 71.827099][ T7952] ? do_raw_spin_unlock+0x54/0x260 [ 71.832198][ T7952] do_wp_page+0x1be/0x1240 [ 71.836601][ T7952] ? finish_mkwrite_fault+0x540/0x540 [ 71.841946][ T7952] __handle_mm_fault+0x1ab6/0x33f0 [ 71.847041][ T7952] ? rwlock_bug.part.2+0x90/0x90 [ 71.851951][ T7952] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 71.857476][ T7952] ? __kasan_check_read+0x11/0x20 [ 71.862598][ T7952] ? handle_mm_fault+0x232/0x800 [ 71.867545][ T7952] ? handle_mm_fault+0x59b/0x800 [ 71.872464][ T7952] ? trace_hardirqs_on+0x28/0x1a0 [ 71.877456][ T7952] handle_mm_fault+0x2e7/0x800 [ 71.882197][ T7952] __get_user_pages+0x574/0x1300 [ 71.887110][ T7952] ? follow_page_mask+0x1580/0x1580 [ 71.892277][ T7952] ? lock_acquire+0x194/0x410 [ 71.896925][ T7952] ? __mm_populate+0x1f7/0x330 [ 71.901668][ T7952] ? __kasan_check_write+0x14/0x20 [ 71.906754][ T7952] ? down_read+0x10f/0x430 [ 71.911149][ T7952] populate_vma_page_range+0x16c/0x200 [ 71.916583][ T7952] __mm_populate+0x1b5/0x330 [ 71.921142][ T7952] ? populate_vma_page_range+0x200/0x200 [ 71.926754][ T7952] ? __kasan_check_write+0x14/0x20 [ 71.931843][ T7952] ? up_write+0x14f/0x460 [ 71.936151][ T7952] ? ns_capable_common+0x5e/0xd0 [ 71.941074][ T7952] __x64_sys_mlockall+0x381/0x420 [ 71.946078][ T7952] do_syscall_64+0xca/0x5d0 [ 71.950555][ T7952] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.956415][ T7952] RIP: 0033:0x459879 [ 71.960277][ T7952] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.980084][ T7952] RSP: 002b:00007ff6e5faec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 71.988467][ T7952] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459879 [ 71.996414][ T7952] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 72.004357][ T7952] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 72.012303][ T7952] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff6e5faf6d4 [ 72.020244][ T7952] R13: 00000000004c5d72 R14: 00000000004da7f8 R15: 00000000ffffffff [ 72.028355][ T7952] memory: usage 307116kB, limit 307200kB, failcnt 146 [ 72.035130][ T7952] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 72.041971][ T7952] Memory cgroup stats for /syz5: [ 72.042011][ T7952] anon 300797952 [ 72.042011][ T7952] file 0 [ 72.042011][ T7952] kernel_stack 589824 [ 72.042011][ T7952] slab 10416128 [ 72.042011][ T7952] sock 0 [ 72.042011][ T7952] shmem 0 [ 72.042011][ T7952] file_mapped 0 [ 72.042011][ T7952] file_dirty 0 [ 72.042011][ T7952] file_writeback 0 [ 72.042011][ T7952] anon_thp 268435456 [ 72.042011][ T7952] inactive_anon 109748224 [ 72.042011][ T7952] active_anon 196608 [ 72.042011][ T7952] inactive_file 0 [ 72.042011][ T7952] active_file 0 [ 72.042011][ T7952] unevictable 190758912 [ 72.042011][ T7952] slab_reclaimable 1216512 [ 72.042011][ T7952] slab_unreclaimable 9199616 [ 72.042011][ T7952] pgfault 18282 [ 72.042011][ T7952] pgmajfault 0 [ 72.042011][ T7952] workingset_refault 0 [ 72.042011][ T7952] workingset_activate 0 [ 72.042011][ T7952] workingset_nodereclaim 0 [ 72.042011][ T7952] pgrefill 0 [ 72.042011][ T7952] pgscan 0 [ 72.042011][ T7952] pgsteal 0 [ 72.042011][ T7952] pgactivate 0 [ 72.137831][ T7952] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz5,mems_allowed=0-1,oom_memcg=/syz5,task_memcg=/syz5,task=syz-executor.5,pid=7947,uid=0 [ 72.153166][ T7952] Memory cgroup out of memory: Killed process 7947 (syz-executor.5) total-vm:37892kB, anon-rss:18324kB, file-rss:18556kB, shmem-rss:0kB [ 72.154662][ T7947] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 72.167556][ T7962] syz-executor.0 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 72.176619][ T1065] oom_reaper: reaped process 7947 (syz-executor.5), now anon-rss:18324kB, file-rss:18552kB, shmem-rss:0kB [ 72.184643][ T7962] CPU: 1 PID: 7962 Comm: syz-executor.0 Not tainted 5.3.0-rc6+ #0 [ 72.195756][ T7947] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 72.203322][ T7962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.203325][ T7962] Call Trace: [ 72.203336][ T7962] dump_stack+0x113/0x167 [ 72.203345][ T7962] dump_header+0x10d/0x703 [ 72.203350][ T7962] ? ___ratelimit+0x243/0x519 [ 72.203356][ T7962] ? do_raw_spin_unlock+0x54/0x260 [ 72.203364][ T7962] oom_kill_process.cold.34+0xb/0x10 [ 72.247979][ T3891] kobject: 'loop5' (000000001ed8fc2b): kobject_uevent_env [ 72.250047][ T7962] out_of_memory+0x599/0x1020 [ 72.250055][ T7962] ? oom_killer_disable+0x210/0x210 [ 72.250060][ T7962] ? __kasan_check_read+0x11/0x20 [ 72.250071][ T7962] mem_cgroup_out_of_memory+0x1d3/0x240 [ 72.250075][ T7962] ? mem_cgroup_charge_statistics+0x320/0x320 [ 72.250084][ T7962] ? do_raw_spin_unlock+0x54/0x260 [ 72.259520][ T3891] kobject: 'loop5' (000000001ed8fc2b): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 72.261828][ T7962] ? _raw_spin_unlock+0x2c/0x50 [ 72.261836][ T7962] try_charge+0xeec/0x1300 [ 72.261844][ T7962] ? mem_cgroup_oom_trylock+0x210/0x210 [ 72.261849][ T7962] ? percpu_ref_tryget_live+0x10a/0x290 [ 72.261853][ T7962] ? mem_cgroup_out_of_memory+0x240/0x240 [ 72.261860][ T7962] ? get_mem_cgroup_from_mm+0x16/0x310 [ 72.275292][ T7978] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 72.277587][ T7962] ? get_mem_cgroup_from_mm+0x165/0x310 [ 72.277594][ T7962] mem_cgroup_try_charge+0x137/0x590 [ 72.277601][ T7962] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 72.277608][ T7962] wp_page_copy+0x3ae/0x1160 [ 72.277615][ T7962] ? pmd_devmap_trans_unstable+0x130/0x130 [ 72.283773][ T7978] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 72.288740][ T7962] ? lock_downgrade+0x900/0x900 [ 72.288748][ T7962] ? swp_swapcount+0x490/0x490 [ 72.288754][ T7962] ? __kasan_check_read+0x11/0x20 [ 72.288759][ T7962] ? do_raw_spin_unlock+0x54/0x260 [ 72.288765][ T7962] do_wp_page+0x1be/0x1240 [ 72.288770][ T7962] ? finish_mkwrite_fault+0x540/0x540 [ 72.288777][ T7962] __handle_mm_fault+0x1ab6/0x33f0 [ 72.288781][ T7962] ? rwlock_bug.part.2+0x90/0x90 [ 72.288786][ T7962] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 72.288789][ T7962] ? __kasan_check_read+0x11/0x20 [ 72.288795][ T7962] ? handle_mm_fault+0x232/0x800 [ 72.431035][ T7962] ? handle_mm_fault+0x59b/0x800 [ 72.435945][ T7962] ? trace_hardirqs_on+0x28/0x1a0 [ 72.440941][ T7962] handle_mm_fault+0x2e7/0x800 [ 72.445681][ T7962] __get_user_pages+0x574/0x1300 [ 72.450589][ T7962] ? follow_page_mask+0x1580/0x1580 [ 72.455764][ T7962] ? lock_acquire+0x194/0x410 [ 72.462755][ T7962] ? __mm_populate+0x1f7/0x330 [ 72.467524][ T7962] ? __kasan_check_write+0x14/0x20 [ 72.472621][ T7962] ? down_read+0x10f/0x430 [ 72.477010][ T7962] populate_vma_page_range+0x16c/0x200 [ 72.482441][ T7962] __mm_populate+0x1b5/0x330 [ 72.487002][ T7962] ? populate_vma_page_range+0x200/0x200 [ 72.492673][ T7962] ? __kasan_check_write+0x14/0x20 [ 72.497852][ T7962] ? up_write+0x14f/0x460 [ 72.502154][ T7962] ? ns_capable_common+0x5e/0xd0 [ 72.507064][ T7962] __x64_sys_mlockall+0x381/0x420 [ 72.512060][ T7962] do_syscall_64+0xca/0x5d0 [ 72.516538][ T7962] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.522433][ T7962] RIP: 0033:0x459879 [ 72.526318][ T7962] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.545905][ T7962] RSP: 002b:00007fa320546c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 72.554307][ T7962] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459879 [ 72.562258][ T7962] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 72.570220][ T7962] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 72.578175][ T7962] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3205476d4 [ 72.586135][ T7962] R13: 00000000004c5d72 R14: 00000000004da7f8 R15: 00000000ffffffff [ 72.594294][ T7962] memory: usage 307196kB, limit 307200kB, failcnt 140 [ 72.601076][ T7962] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 72.607996][ T7962] Memory cgroup stats for /syz0: [ 72.608043][ T7962] anon 301539328 [ 72.608043][ T7962] file 0 [ 72.608043][ T7962] kernel_stack 589824 [ 72.608043][ T7962] slab 9719808 [ 72.608043][ T7962] sock 0 [ 72.608043][ T7962] shmem 0 [ 72.608043][ T7962] file_mapped 0 [ 72.608043][ T7962] file_dirty 0 [ 72.608043][ T7962] file_writeback 0 [ 72.608043][ T7962] anon_thp 268435456 [ 72.608043][ T7962] inactive_anon 144273408 [ 72.608043][ T7962] active_anon 233472 [ 72.608043][ T7962] inactive_file 0 [ 72.608043][ T7962] active_file 0 [ 72.608043][ T7962] unevictable 157073408 [ 72.608043][ T7962] slab_reclaimable 1216512 [ 72.608043][ T7962] slab_unreclaimable 8503296 [ 72.608043][ T7962] pgfault 16302 [ 72.608043][ T7962] pgmajfault 0 [ 72.608043][ T7962] workingset_refault 0 [ 72.608043][ T7962] workingset_activate 0 [ 72.608043][ T7962] workingset_nodereclaim 0 [ 72.608043][ T7962] pgrefill 0 [ 72.608043][ T7962] pgscan 0 [ 72.608043][ T7962] pgsteal 0 [ 72.608043][ T7962] pgactivate 0 [ 72.703667][ T7962] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz0,mems_allowed=0-1,oom_memcg=/syz0,task_memcg=/syz0,task=syz-executor.0,pid=7959,uid=0 [ 72.719012][ T7962] Memory cgroup out of memory: Killed process 7959 (syz-executor.0) total-vm:37892kB, anon-rss:18148kB, file-rss:18552kB, shmem-rss:0kB [ 72.732957][ T7960] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 72.739953][ T7960] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 72.740172][ T1065] oom_reaper: reaped process 7959 (syz-executor.0), now anon-rss:18172kB, file-rss:19512kB, shmem-rss:0kB [ 72.763048][ T7961] syz-executor.0 invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=1000 [ 72.775368][ T7961] CPU: 1 PID: 7961 Comm: syz-executor.0 Not tainted 5.3.0-rc6+ #0 [ 72.783156][ T7961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.791685][ T7962] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 72.793193][ T7961] Call Trace: [ 72.793206][ T7961] dump_stack+0x113/0x167 [ 72.793215][ T7961] dump_header+0x10d/0x703 [ 72.793219][ T7961] ? ___ratelimit+0x243/0x519 [ 72.793229][ T7961] ? do_raw_spin_unlock+0x54/0x260 [ 72.800337][ T7962] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 72.803431][ T7961] oom_kill_process.cold.34+0xb/0x10 [ 72.803437][ T7961] out_of_memory+0x599/0x1020 [ 72.803444][ T7961] ? oom_killer_disable+0x210/0x210 [ 72.803450][ T7961] ? __kasan_check_read+0x11/0x20 [ 72.803459][ T7961] mem_cgroup_out_of_memory+0x1d3/0x240 [ 72.803463][ T7961] ? mem_cgroup_charge_statistics+0x320/0x320 [ 72.803472][ T7961] ? do_raw_spin_unlock+0x54/0x260 [ 72.819488][ T3891] kobject: 'loop0' (00000000b4567a88): kobject_uevent_env [ 72.821917][ T7961] ? _raw_spin_unlock+0x2c/0x50 [ 72.821925][ T7961] try_charge+0xa2b/0x1300 [ 72.821932][ T7961] ? percpu_ref_tryget_live+0x80/0x290 [ 72.821937][ T7961] ? mem_cgroup_oom_trylock+0x210/0x210 [ 72.821945][ T7961] ? __kasan_check_read+0x11/0x20 [ 72.833758][ T3891] kobject: 'loop0' (00000000b4567a88): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 72.836887][ T7961] ? get_mem_cgroup_from_mm+0x148/0x310 [ 72.836894][ T7961] ? lock_downgrade+0x900/0x900 [ 72.836900][ T7961] ? percpu_ref_tryget_live+0x10a/0x290 [ 72.836906][ T7961] __memcg_kmem_charge_memcg+0x71/0xf0 [ 72.836910][ T7961] ? memcg_kmem_put_cache+0x1e0/0x1e0 [ 72.836914][ T7961] ? get_mem_cgroup_from_mm+0x165/0x310 [ 72.836919][ T7961] __memcg_kmem_charge+0x139/0x3a0 [ 72.836925][ T7961] __alloc_pages_nodemask+0x4f9/0x870 [ 72.836930][ T7961] ? __alloc_pages_slowpath+0x2530/0x2530 [ 72.836939][ T7961] alloc_pages_current+0xd6/0x1b0 [ 72.963902][ T7961] pte_alloc_one+0x14/0x130 [ 72.968396][ T7961] __handle_mm_fault+0x2899/0x33f0 [ 72.973479][ T7961] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 72.979006][ T7961] ? __kasan_check_read+0x11/0x20 [ 72.984002][ T7961] ? lock_acquire+0x194/0x410 [ 72.988667][ T7961] ? handle_mm_fault+0x232/0x800 [ 72.993579][ T7961] ? handle_mm_fault+0x59b/0x800 [ 72.998488][ T7961] ? trace_hardirqs_on+0x28/0x1a0 [ 73.003502][ T7961] handle_mm_fault+0x2e7/0x800 [ 73.008234][ T7961] ? find_vma+0xe2/0x150 [ 73.012454][ T7961] __do_page_fault+0x36e/0xa50 [ 73.017190][ T7961] do_page_fault+0x2d/0x3c2 [ 73.021667][ T7961] page_fault+0x39/0x40 [ 73.025800][ T7961] RIP: 0033:0x459879 [ 73.029677][ T7961] Code: Bad RIP value. [ 73.033802][ T7961] RSP: 002b:00007fa320567c78 EFLAGS: 00010246 [ 73.039837][ T7961] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000459879 [ 73.047798][ T7961] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.055741][ T7961] RBP: 000000000075bf20 R08: ffffffffffffffff R09: 0000000000000000 [ 73.063699][ T7961] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3205686d4 [ 73.071656][ T7961] R13: 00000000004bfd46 R14: 00000000004d1af8 R15: 00000000ffffffff [ 73.079696][ T7961] memory: usage 307200kB, limit 307200kB, failcnt 180 [ 73.086835][ T7961] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 73.093657][ T7961] Memory cgroup stats for /syz0: [ 73.093716][ T7961] anon 301441024 [ 73.093716][ T7961] file 0 [ 73.093716][ T7961] kernel_stack 589824 [ 73.093716][ T7961] slab 9994240 [ 73.093716][ T7961] sock 0 [ 73.093716][ T7961] shmem 0 [ 73.093716][ T7961] file_mapped 0 [ 73.093716][ T7961] file_dirty 0 [ 73.093716][ T7961] file_writeback 0 [ 73.093716][ T7961] anon_thp 268435456 [ 73.093716][ T7961] inactive_anon 160718848 [ 73.093716][ T7961] active_anon 2322432 [ 73.093716][ T7961] inactive_file 0 [ 73.093716][ T7961] active_file 0 [ 73.093716][ T7961] unevictable 138412032 [ 73.093716][ T7961] slab_reclaimable 1351680 [ 73.093716][ T7961] slab_unreclaimable 8642560 [ 73.093716][ T7961] pgfault 16368 [ 73.093716][ T7961] pgmajfault 0 [ 73.093716][ T7961] workingset_refault 0 [ 73.093716][ T7961] workingset_activate 0 [ 73.093716][ T7961] workingset_nodereclaim 0 [ 73.093716][ T7961] pgrefill 0 [ 73.093716][ T7961] pgscan 0 [ 73.093716][ T7961] pgsteal 0 [ 73.093716][ T7961] pgactivate 0 [ 73.189717][ T7961] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz0,mems_allowed=0-1,oom_memcg=/syz0,task_memcg=/syz0,task=syz-executor.0,pid=7764,uid=0 [ 73.205069][ T7961] Memory cgroup out of memory: Killed process 7764 (syz-executor.0) total-vm:38024kB, anon-rss:18360kB, file-rss:0kB, shmem-rss:0kB [ 73.218808][ T7965] syz-executor.4 invoked oom-killer: gfp_mask=0x402dc2(GFP_KERNEL_ACCOUNT|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), order=0, oom_score_adj=1000 [ 73.222625][ T1065] oom_reaper: reaped process 7764 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 73.233374][ T7965] CPU: 1 PID: 7965 Comm: syz-executor.4 Not tainted 5.3.0-rc6+ #0 [ 73.251687][ T7965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.261721][ T7965] Call Trace: [ 73.264990][ T7965] dump_stack+0x113/0x167 [ 73.269293][ T7965] dump_header+0x10d/0x703 [ 73.273679][ T7965] ? ___ratelimit+0x243/0x519 [ 73.278333][ T7965] ? do_raw_spin_unlock+0x54/0x260 [ 73.283418][ T7965] oom_kill_process.cold.34+0xb/0x10 [ 73.288676][ T7965] out_of_memory+0x599/0x1020 [ 73.293325][ T7965] ? oom_killer_disable+0x210/0x210 [ 73.298497][ T7965] ? __kasan_check_read+0x11/0x20 [ 73.303509][ T7965] mem_cgroup_out_of_memory+0x1d3/0x240 [ 73.309025][ T7965] ? mem_cgroup_charge_statistics+0x320/0x320 [ 73.315071][ T7965] ? do_raw_spin_unlock+0x54/0x260 [ 73.320164][ T7965] ? _raw_spin_unlock+0x2c/0x50 [ 73.324998][ T7965] try_charge+0xa2b/0x1300 [ 73.329397][ T7965] ? percpu_ref_tryget_live+0x80/0x290 [ 73.334829][ T7965] ? mem_cgroup_oom_trylock+0x210/0x210 [ 73.340365][ T7965] ? __kasan_check_read+0x11/0x20 [ 73.345369][ T7965] ? get_mem_cgroup_from_mm+0x148/0x310 [ 73.350891][ T7965] ? lock_downgrade+0x900/0x900 [ 73.355781][ T7965] ? percpu_ref_tryget_live+0x10a/0x290 [ 73.361315][ T7965] __memcg_kmem_charge_memcg+0x71/0xf0 [ 73.366757][ T7965] ? memcg_kmem_put_cache+0x1e0/0x1e0 [ 73.372125][ T7965] ? get_mem_cgroup_from_mm+0x165/0x310 [ 73.377660][ T7965] __memcg_kmem_charge+0x139/0x3a0 [ 73.382743][ T7965] __alloc_pages_nodemask+0x4f9/0x870 [ 73.388112][ T7965] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 73.393980][ T7965] ? __alloc_pages_slowpath+0x2530/0x2530 [ 73.399670][ T7965] ? kasan_unpoison_shadow+0x35/0x50 [ 73.404928][ T7965] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 73.410709][ T7965] alloc_pages_current+0xd6/0x1b0 [ 73.415731][ T7965] __vmalloc_node_range+0x386/0x6e0 [ 73.420902][ T7965] ? kasan_kmalloc+0x9/0x10 [ 73.425383][ T7965] __vmalloc_node_flags_caller+0x63/0x90 [ 73.430990][ T7965] ? kvm_dev_ioctl+0xb39/0x1480 [ 73.435808][ T7965] kvmalloc_node+0x56/0x80 [ 73.440193][ T7965] kvm_dev_ioctl+0xb39/0x1480 [ 73.444838][ T7965] ? __kasan_check_read+0x11/0x20 [ 73.449829][ T7965] ? kvm_debugfs_release+0x90/0x90 [ 73.454909][ T7965] ? __fget+0x294/0x420 [ 73.459037][ T7965] do_vfs_ioctl+0x196/0x1150 [ 73.463592][ T7965] ? ioctl_preallocate+0x1c0/0x1c0 [ 73.468669][ T7965] ? __fget+0x2b1/0x420 [ 73.472802][ T7965] ? ksys_dup3+0x2e0/0x2e0 [ 73.477190][ T7965] ? put_timespec64+0xa9/0x100 [ 73.481928][ T7965] ? nsecs_to_jiffies+0x20/0x20 [ 73.486748][ T7965] ? tomoyo_file_ioctl+0x14/0x20 [ 73.491652][ T7965] ksys_ioctl+0x62/0x90 [ 73.495777][ T7965] ? trace_hardirqs_off_caller+0x49/0x190 [ 73.501481][ T7965] __x64_sys_ioctl+0x6e/0xb0 [ 73.506059][ T7965] do_syscall_64+0xca/0x5d0 [ 73.510575][ T7965] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.516437][ T7965] RIP: 0033:0x459879 [ 73.520303][ T7965] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.539906][ T7965] RSP: 002b:00007f891a0f0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 73.549259][ T7965] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 [ 73.557219][ T7965] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003 [ 73.565163][ T7965] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 73.573120][ T7965] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f891a0f16d4 [ 73.581062][ T7965] R13: 00000000004c2808 R14: 00000000004d5e48 R15: 00000000ffffffff [ 73.589703][ T7965] memory: usage 288796kB, limit 307200kB, failcnt 130 [ 73.596497][ T7965] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 73.603319][ T7965] Memory cgroup stats for /syz4: [ 73.603358][ T7965] anon 283095040 [ 73.603358][ T7965] file 0 [ 73.603358][ T7965] kernel_stack 524288 [ 73.603358][ T7965] slab 9678848 [ 73.603358][ T7965] sock 0 [ 73.603358][ T7965] shmem 0 [ 73.603358][ T7965] file_mapped 0 [ 73.603358][ T7965] file_dirty 0 [ 73.603358][ T7965] file_writeback 0 [ 73.603358][ T7965] anon_thp 253755392 [ 73.603358][ T7965] inactive_anon 136073216 [ 73.603358][ T7965] active_anon 2318336 [ 73.603358][ T7965] inactive_file 0 [ 73.603358][ T7965] active_file 0 [ 73.603358][ T7965] unevictable 144637952 [ 73.603358][ T7965] slab_reclaimable 1216512 [ 73.603358][ T7965] slab_unreclaimable 8462336 [ 73.603358][ T7965] pgfault 19503 [ 73.603358][ T7965] pgmajfault 0 [ 73.603358][ T7965] workingset_refault 0 [ 73.603358][ T7965] workingset_activate 0 [ 73.603358][ T7965] workingset_nodereclaim 0 [ 73.603358][ T7965] pgrefill 0 [ 73.603358][ T7965] pgscan 0 [ 73.603358][ T7965] pgsteal 0 [ 73.603358][ T7965] pgactivate 0 [ 73.699267][ T7965] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz4,mems_allowed=0-1,oom_memcg=/syz4,task_memcg=/syz4,task=syz-executor.4,pid=7834,uid=0 [ 73.714599][ T7965] Memory cgroup out of memory: Killed process 7834 (syz-executor.4) total-vm:38024kB, anon-rss:18360kB, file-rss:0kB, shmem-rss:0kB [ 73.730959][ T1065] oom_reaper: reaped process 7834 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 73.742102][ T7964] syz-executor.4 invoked oom-killer: gfp_mask=0x40cc0(GFP_KERNEL|__GFP_COMP), order=0, oom_score_adj=1000 [ 73.753977][ T7964] CPU: 0 PID: 7964 Comm: syz-executor.4 Not tainted 5.3.0-rc6+ #0 [ 73.761757][ T7964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.771958][ T7964] Call Trace: [ 73.775230][ T7964] dump_stack+0x113/0x167 [ 73.779535][ T7964] dump_header+0x10d/0x703 [ 73.783920][ T7964] ? ___ratelimit+0x243/0x519 [ 73.788583][ T7964] ? do_raw_spin_unlock+0x54/0x260 [ 73.793692][ T7964] oom_kill_process.cold.34+0xb/0x10 [ 73.798989][ T7964] out_of_memory+0x599/0x1020 [ 73.803654][ T7964] ? oom_killer_disable+0x210/0x210 [ 73.808834][ T7964] ? __kasan_check_read+0x11/0x20 [ 73.813850][ T7964] mem_cgroup_out_of_memory+0x1d3/0x240 [ 73.819380][ T7964] ? mem_cgroup_charge_statistics+0x320/0x320 [ 73.825447][ T7964] ? do_raw_spin_unlock+0x54/0x260 [ 73.830552][ T7964] ? _raw_spin_unlock+0x2c/0x50 [ 73.835439][ T7964] try_charge+0xa2b/0x1300 [ 73.839843][ T7964] ? mem_cgroup_oom_trylock+0x210/0x210 [ 73.846603][ T7964] ? ___might_sleep+0x16b/0x270 [ 73.851515][ T7964] ? __kasan_check_read+0x11/0x20 [ 73.856517][ T7964] ? __kasan_check_read+0x11/0x20 [ 73.861523][ T7964] ? cache_grow_begin+0x120/0xd40 [ 73.866517][ T7964] __memcg_kmem_charge_memcg+0x71/0xf0 [ 73.871942][ T7964] ? memcg_kmem_put_cache+0x1e0/0x1e0 [ 73.877283][ T7964] ? cache_grow_begin+0x7f9/0xd40 [ 73.882275][ T7964] ? cache_grow_begin+0x592/0xd40 [ 73.887271][ T7964] cache_grow_begin+0x5bd/0xd40 [ 73.892105][ T7964] ? __cpuset_node_allowed+0x6b/0x420 [ 73.897461][ T7964] fallback_alloc+0x203/0x2e0 [ 73.902115][ T7964] ____cache_alloc_node+0x1c5/0x1e0 [ 73.907293][ T7964] ? trace_hardirqs_off+0x41/0x1a0 [ 73.912390][ T7964] kmem_cache_alloc+0x1ec/0x750 [ 73.917218][ T7964] ? __kasan_check_read+0x11/0x20 [ 73.922216][ T7964] ? __vm_enough_memory+0x110/0x2e0 [ 73.927398][ T7964] vm_area_alloc+0x1b/0xf0 [ 73.927884][ T7968] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 73.931797][ T7964] mmap_region+0x76b/0x1480 [ 73.931802][ T7964] ? arch_get_unmapped_area+0x620/0x620 [ 73.931809][ T7964] ? __x64_sys_brk+0x740/0x740 [ 73.931816][ T7964] ? security_mmap_addr+0x3a/0x70 [ 73.931822][ T7964] ? get_unmapped_area+0x1ec/0x310 [ 73.931827][ T7964] do_mmap+0x612/0xfb0 2019/09/02 22:36:29 executed programs: 86 [ 73.931835][ T7964] vm_mmap_pgoff+0x195/0x210 [ 73.947877][ T7968] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 73.948817][ T7964] ? vma_is_stack_for_current+0x90/0x90 [ 73.987441][ T7964] ? _copy_to_user+0xcb/0xf0 [ 73.992018][ T7964] ksys_mmap_pgoff+0xa4/0x650 [ 73.996685][ T7964] ? find_mergeable_anon_vma+0x290/0x290 [ 74.002323][ T3891] kobject: 'loop2' (0000000074bb3a27): kobject_uevent_env [ 74.002429][ T7964] ? __x64_sys_clock_gettime+0x168/0x1d0 [ 74.013796][ T3891] kobject: 'loop2' (0000000074bb3a27): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 74.015160][ T7964] ? trace_hardirqs_off_thunk+0x1a/0x20 [ 74.015167][ T7964] __x64_sys_mmap+0xe9/0x1b0 [ 74.015174][ T7964] do_syscall_64+0xca/0x5d0 [ 74.015181][ T7964] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.015185][ T7964] RIP: 0033:0x4598ca [ 74.015190][ T7964] Code: 89 f5 41 54 49 89 fc 55 53 74 35 49 63 e8 48 63 da 4d 89 f9 49 89 e8 4d 63 d6 48 89 da 4c 89 ee 4c 89 e7 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 4e 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 00 [ 74.015193][ T7964] RSP: 002b:00007ffd9433a448 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 74.015197][ T7964] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598ca [ 74.015200][ T7964] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 74.015202][ T7964] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 74.015204][ T7964] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 74.015206][ T7964] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 74.015731][ T7964] memory: usage 270360kB, limit 307200kB, failcnt 130 [ 74.031280][ T7984] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 74.035565][ T7964] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 74.040135][ T7984] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 74.045971][ T7964] Memory cgroup stats for /syz4: [ 74.046013][ T7964] anon 264339456 [ 74.046013][ T7964] file 0 [ 74.046013][ T7964] kernel_stack 524288 [ 74.046013][ T7964] slab 9678848 [ 74.046013][ T7964] sock 0 [ 74.046013][ T7964] shmem 0 [ 74.046013][ T7964] file_mapped 0 [ 74.046013][ T7964] file_dirty 0 [ 74.046013][ T7964] file_writeback 0 [ 74.046013][ T7964] anon_thp 236978176 [ 74.046013][ T7964] inactive_anon 117383168 [ 74.046013][ T7964] active_anon 2318336 [ 74.046013][ T7964] inactive_file 0 [ 74.046013][ T7964] active_file 0 [ 74.046013][ T7964] unevictable 144637952 [ 74.046013][ T7964] slab_reclaimable 1216512 [ 74.046013][ T7964] slab_unreclaimable 8462336 [ 74.046013][ T7964] pgfault 19503 [ 74.046013][ T7964] pgmajfault 0 [ 74.046013][ T7964] workingset_refault 0 [ 74.046013][ T7964] workingset_activate 0 [ 74.046013][ T7964] workingset_nodereclaim 0 [ 74.046013][ T7964] pgrefill 0 [ 74.046013][ T7964] pgscan 0 [ 74.046013][ T7964] pgsteal 0 [ 74.046013][ T7964] pgactivate 0 [ 74.046024][ T7964] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz4,mems_allowed=0-1,oom_memcg=/syz4,task_memcg=/syz4,task=syz-executor.4,pid=7688,uid=0 [ 74.046064][ T7964] Memory cgroup out of memory: Killed process 7688 (syz-executor.4) total-vm:38024kB, anon-rss:18360kB, file-rss:0kB, shmem-rss:0kB [ 74.093694][ T7984] debugfs: Directory '7984-4' with parent 'kvm' already present! [ 74.098924][ T7969] syz-executor.3 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 74.138772][ T3891] kobject: 'loop4' (00000000be4c405a): kobject_uevent_env [ 74.138794][ T3891] kobject: 'loop4' (00000000be4c405a): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 74.152420][ T7971] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 74.165093][ T7969] CPU: 0 PID: 7969 Comm: syz-executor.3 Not tainted 5.3.0-rc6+ #0 [ 74.248518][ T7971] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 74.260296][ T7969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.260300][ T7969] Call Trace: [ 74.260312][ T7969] dump_stack+0x113/0x167 [ 74.260321][ T7969] dump_header+0x10d/0x703 [ 74.260326][ T7969] ? ___ratelimit+0x243/0x519 [ 74.260332][ T7969] ? do_raw_spin_unlock+0x54/0x260 [ 74.260336][ T7969] oom_kill_process.cold.34+0xb/0x10 [ 74.260340][ T7969] out_of_memory+0x599/0x1020 [ 74.260346][ T7969] ? oom_killer_disable+0x210/0x210 [ 74.260351][ T7969] ? __kasan_check_read+0x11/0x20 [ 74.260360][ T7969] mem_cgroup_out_of_memory+0x1d3/0x240 [ 74.260364][ T7969] ? mem_cgroup_charge_statistics+0x320/0x320 [ 74.260369][ T7969] ? do_raw_spin_unlock+0x54/0x260 [ 74.260378][ T7969] ? _raw_spin_unlock+0x2c/0x50 [ 74.354427][ T7990] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 74.356657][ T7969] try_charge+0xeec/0x1300 [ 74.356664][ T7969] ? mem_cgroup_oom_trylock+0x210/0x210 [ 74.356670][ T7969] ? percpu_ref_tryget_live+0x10a/0x290 [ 74.356675][ T7969] ? mem_cgroup_out_of_memory+0x240/0x240 [ 74.356679][ T7969] ? get_mem_cgroup_from_mm+0x16/0x310 [ 74.356687][ T7969] ? get_mem_cgroup_from_mm+0x165/0x310 [ 74.356693][ T7969] mem_cgroup_try_charge+0x137/0x590 [ 74.356698][ T7969] mem_cgroup_try_charge_delay+0x1d/0xa0 [ 74.356702][ T7969] do_huge_pmd_wp_page_fallback+0x212/0x12f0 [ 74.356709][ T7969] ? defrag_store+0x2e0/0x2e0 [ 74.356715][ T7969] ? __alloc_pages_slowpath+0x2530/0x2530 [ 74.356724][ T7969] ? alloc_pages_vma+0x159/0x350 [ 74.361511][ T7990] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 74.366490][ T7969] ? do_raw_spin_unlock+0x54/0x260 [ 74.366497][ T7969] do_huge_pmd_wp_page+0x102f/0x1cb0 [ 74.366504][ T7969] ? __split_huge_pmd+0x1cc0/0x1cc0 [ 74.366510][ T7969] ? __kasan_check_read+0x11/0x20 [ 74.366514][ T7969] ? do_raw_spin_unlock+0x54/0x260 [ 74.366520][ T7969] ? do_wp_page+0x1be/0x1240 [ 74.366525][ T7969] ? finish_mkwrite_fault+0x540/0x540 [ 74.366528][ T7969] ? add_mm_counter_fast+0xe0/0xe0 [ 74.366535][ T7969] __handle_mm_fault+0xfcf/0x33f0 [ 74.366541][ T7969] ? vmf_insert_mixed_mkwrite+0x10/0x10 [ 74.366544][ T7969] ? __kasan_check_read+0x11/0x20 [ 74.366549][ T7969] ? lock_acquire+0x194/0x410 [ 74.407829][ T7990] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 74.408207][ T7969] ? handle_mm_fault+0x232/0x800 [ 74.408216][ T7969] ? handle_mm_fault+0x59b/0x800 [ 74.408222][ T7969] ? trace_hardirqs_on+0x28/0x1a0 [ 74.408228][ T7969] handle_mm_fault+0x2e7/0x800 [ 74.408232][ T7969] ? find_vma+0xe2/0x150 [ 74.408241][ T7969] __do_page_fault+0x36e/0xa50 [ 74.415460][ T7990] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 74.419673][ T7969] do_page_fault+0x2d/0x3c2 [ 74.419681][ T7969] page_fault+0x39/0x40 [ 74.419687][ T7969] RIP: 0033:0x440ac1 [ 74.419693][ T7969] Code: 8d 15 e3 87 0a 00 8b 0c 8a 8b 04 82 29 c8 c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 fa 20 48 89 f8 73 77 f6 c2 01 74 0b 0f b6 0e <88> 0f 48 ff c6 48 ff c7 f6 c2 02 74 12 0f b7 0e 66 89 0f 48 83 c6 [ 74.419695][ T7969] RSP: 002b:00007ffda3a9e6e8 EFLAGS: 00010202 [ 74.444964][ T3891] kobject: 'loop4' (00000000be4c405a): kobject_uevent_env [ 74.449982][ T7969] RAX: 0000000020000080 RBX: 0000000000000000 RCX: 000000000000002f [ 74.460881][ T3891] kobject: 'loop4' (00000000be4c405a): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 74.466837][ T7969] RDX: 0000000000000009 RSI: 0000000000760020 RDI: 0000000020000080 [ 74.466839][ T7969] RBP: 0000000000760000 R08: 0000000000000000 R09: 0000000000000000 [ 74.466842][ T7969] R10: 00000000004395d0 R11: 0000000000000012 R12: 00000000004c5e06 [ 74.466845][ T7969] R13: 000000000000012c R14: 0000000000760008 R15: fffffffffffffffe [ 74.468997][ T7969] memory: usage 306976kB, limit 307200kB, failcnt 1290 [ 74.472154][ T7994] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 74.477289][ T7969] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 74.477291][ T7969] Memory cgroup stats for /syz3: [ 74.477332][ T7969] anon 302022656 [ 74.477332][ T7969] file 0 [ 74.477332][ T7969] kernel_stack 589824 [ 74.477332][ T7969] slab 9441280 [ 74.477332][ T7969] sock 0 [ 74.477332][ T7969] shmem 0 [ 74.477332][ T7969] file_mapped 0 [ 74.477332][ T7969] file_dirty 0 [ 74.477332][ T7969] file_writeback 0 [ 74.477332][ T7969] anon_thp 270532608 [ 74.477332][ T7969] inactive_anon 142639104 [ 74.477332][ T7969] active_anon 2383872 [ 74.477332][ T7969] inactive_file 0 [ 74.477332][ T7969] active_file 0 [ 74.477332][ T7969] unevictable 157065216 [ 74.477332][ T7969] slab_reclaimable 1351680 [ 74.477332][ T7969] slab_unreclaimable 8089600 [ 74.477332][ T7969] pgfault 18678 [ 74.477332][ T7969] pgmajfault 0 [ 74.477332][ T7969] workingset_refault 0 [ 74.477332][ T7969] workingset_activate 0 [ 74.477332][ T7969] workingset_nodereclaim 0 [ 74.477332][ T7969] pgrefill 0 [ 74.477332][ T7969] pgscan 0 [ 74.477332][ T7969] pgsteal 0 [ 74.477332][ T7969] pgactivate 0 [ 74.482391][ T7994] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 74.491978][ T7969] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz3,mems_allowed=0-1,oom_memcg=/syz3,task_memcg=/syz3,task=syz-executor.3,pid=7969,uid=0 [ 74.492017][ T7969] Memory cgroup out of memory: Killed process 7969 (syz-executor.3) total-vm:37760kB, anon-rss:18208kB, file-rss:18556kB, shmem-rss:0kB [ 74.492126][ T1065] oom_reaper: reaped process 7969 (syz-executor.3), now anon-rss:18208kB, file-rss:18552kB, shmem-rss:0kB [ 74.540457][ T7994] debugfs: Directory '7994-4' with parent 'kvm' already present! [ 74.545158][ T7976] syz-executor.1 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 74.550420][ T7994] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 74.554746][ T7976] CPU: 0 PID: 7976 Comm: syz-executor.1 Not tainted 5.3.0-rc6+ #0 [ 74.554749][ T7976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.554752][ T7976] Call Trace: [ 74.554764][ T7976] dump_stack+0x113/0x167 [ 74.554772][ T7976] dump_header+0x10d/0x703 [ 74.554778][ T7976] ? ___ratelimit+0x243/0x519 [ 74.554784][ T7976] ? do_raw_spin_unlock+0x54/0x260 [ 74.554790][ T7976] oom_kill_process.cold.34+0xb/0x10 [ 74.575039][ T7994] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 74.576688][ T7976] out_of_memory+0x599/0x1020 [ 74.576696][ T7976] ? oom_killer_disable+0x210/0x210 [ 74.576702][ T7976] ? __kasan_check_read+0x11/0x20 [ 74.576711][ T7976] mem_cgroup_out_of_memory+0x1d3/0x240 [ 74.597246][ T7993] kobject: 'kvm' (000000001a37593c): kobject_uevent_env [ 74.600187][ T7976] ? mem_cgroup_charge_statistics+0x320/0x320 [ 74.600197][ T7976] ? do_raw_spin_unlock+0x54/0x260 [ 74.600203][ T7976] ? _raw_spin_unlock+0x2c/0x50 [ 74.600209][ T7976] try_charge+0xeec/0x1300 [ 74.604776][ T7993] kobject: 'kvm' (000000001a37593c): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 74.608820][ T7976] ? mem_cgroup_oom_trylock+0x210/0x210 [ 74.608824][ T7976] ? percpu_ref_tryget_live+0x10a/0x290 [ 74.608828][ T7976] ? mem_cgroup_out_of_memory+0x240/0x240 [ 74.608832][ T7976] ? get_mem_cgroup_from_mm+0x16/0x310