Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts.
2022/06/01 17:53:32 parsed 1 programs
[ 36.500985][ T23] audit: type=1400 audit(1654106012.699:149): avc: denied { mounton } for pid=400 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1
[ 36.501152][ T400] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 36.531146][ T400] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 36.537556][ T400] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 36.544084][ T400] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
2022/06/01 17:53:32 executed programs: 0
[ 36.550646][ T400] cgroup: Unknown subsys name 'net'
[ 36.556203][ T400] cgroup: Unknown subsys name 'devices'
[ 36.562786][ T400] cgroup: Unknown subsys name 'hugetlb'
[ 36.568511][ T400] cgroup: Unknown subsys name 'rlimit'
[ 36.574626][ T23] audit: type=1400 audit(1654106012.769:150): avc: denied { mounton } for pid=400 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1
[ 36.634754][ T23] audit: type=1400 audit(1654106012.769:151): avc: denied { mount } for pid=400 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1
[ 36.670353][ T23] audit: type=1400 audit(1654106012.799:152): avc: denied { mounton } for pid=407 comm="syz-executor.2" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1
[ 36.694438][ T23] audit: type=1400 audit(1654106012.799:153): avc: denied { module_request } for pid=407 comm="syz-executor.2" kmod="netdev-nr2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1
[ 36.740995][ T410] bridge0: port 1(bridge_slave_0) entered blocking state
[ 36.748015][ T410] bridge0: port 1(bridge_slave_0) entered disabled state
[ 36.755409][ T410] device bridge_slave_0 entered promiscuous mode
[ 36.771482][ T410] bridge0: port 2(bridge_slave_1) entered blocking state
[ 36.778493][ T410] bridge0: port 2(bridge_slave_1) entered disabled state
[ 36.786078][ T410] device bridge_slave_1 entered promiscuous mode
[ 36.806710][ T407] bridge0: port 1(bridge_slave_0) entered blocking state
[ 36.814006][ T407] bridge0: port 1(bridge_slave_0) entered disabled state
[ 36.821523][ T407] device bridge_slave_0 entered promiscuous mode
[ 36.850090][ T407] bridge0: port 2(bridge_slave_1) entered blocking state
[ 36.857119][ T407] bridge0: port 2(bridge_slave_1) entered disabled state
[ 36.864595][ T407] device bridge_slave_1 entered promiscuous mode
[ 36.876001][ T408] bridge0: port 1(bridge_slave_0) entered blocking state
[ 36.883351][ T408] bridge0: port 1(bridge_slave_0) entered disabled state
[ 36.890706][ T408] device bridge_slave_0 entered promiscuous mode
[ 36.900789][ T408] bridge0: port 2(bridge_slave_1) entered blocking state
[ 36.907804][ T408] bridge0: port 2(bridge_slave_1) entered disabled state
[ 36.915174][ T408] device bridge_slave_1 entered promiscuous mode
[ 36.953522][ T412] bridge0: port 1(bridge_slave_0) entered blocking state
[ 36.960599][ T412] bridge0: port 1(bridge_slave_0) entered disabled state
[ 36.967807][ T412] device bridge_slave_0 entered promiscuous mode
[ 36.974777][ T412] bridge0: port 2(bridge_slave_1) entered blocking state
[ 36.981866][ T412] bridge0: port 2(bridge_slave_1) entered disabled state
[ 36.989258][ T412] device bridge_slave_1 entered promiscuous mode
[ 37.001203][ T413] bridge0: port 1(bridge_slave_0) entered blocking state
[ 37.008338][ T413] bridge0: port 1(bridge_slave_0) entered disabled state
[ 37.015688][ T413] device bridge_slave_0 entered promiscuous mode
[ 37.032849][ T413] bridge0: port 2(bridge_slave_1) entered blocking state
[ 37.039960][ T413] bridge0: port 2(bridge_slave_1) entered disabled state
[ 37.047205][ T413] device bridge_slave_1 entered promiscuous mode
[ 37.123271][ T414] bridge0: port 1(bridge_slave_0) entered blocking state
[ 37.130615][ T414] bridge0: port 1(bridge_slave_0) entered disabled state
[ 37.138147][ T414] device bridge_slave_0 entered promiscuous mode
[ 37.149642][ T407] bridge0: port 2(bridge_slave_1) entered blocking state
[ 37.157325][ T407] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 37.164770][ T407] bridge0: port 1(bridge_slave_0) entered blocking state
[ 37.172075][ T407] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 37.182253][ T410] bridge0: port 2(bridge_slave_1) entered blocking state
[ 37.189292][ T410] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 37.197098][ T410] bridge0: port 1(bridge_slave_0) entered blocking state
[ 37.204165][ T410] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 37.215075][ T408] bridge0: port 2(bridge_slave_1) entered blocking state
[ 37.222481][ T408] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 37.229914][ T408] bridge0: port 1(bridge_slave_0) entered blocking state
[ 37.237020][ T408] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 37.254123][ T414] bridge0: port 2(bridge_slave_1) entered blocking state
[ 37.261339][ T414] bridge0: port 2(bridge_slave_1) entered disabled state
[ 37.268580][ T414] device bridge_slave_1 entered promiscuous mode
[ 37.309632][ T412] bridge0: port 2(bridge_slave_1) entered blocking state
[ 37.316692][ T412] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 37.324046][ T412] bridge0: port 1(bridge_slave_0) entered blocking state
[ 37.331070][ T412] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 37.342127][ T413] bridge0: port 2(bridge_slave_1) entered blocking state
[ 37.349167][ T413] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 37.356389][ T413] bridge0: port 1(bridge_slave_0) entered blocking state
[ 37.363429][ T413] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 37.387594][ T378] bridge0: port 1(bridge_slave_0) entered disabled state
[ 37.395471][ T378] bridge0: port 2(bridge_slave_1) entered disabled state
[ 37.403158][ T378] bridge0: port 1(bridge_slave_0) entered disabled state
[ 37.410498][ T378] bridge0: port 2(bridge_slave_1) entered disabled state
[ 37.417590][ T378] bridge0: port 1(bridge_slave_0) entered disabled state
[ 37.424904][ T378] bridge0: port 2(bridge_slave_1) entered disabled state
[ 37.432619][ T378] bridge0: port 1(bridge_slave_0) entered disabled state
[ 37.439968][ T378] bridge0: port 2(bridge_slave_1) entered disabled state
[ 37.447298][ T378] bridge0: port 1(bridge_slave_0) entered disabled state
[ 37.454685][ T378] bridge0: port 2(bridge_slave_1) entered disabled state
[ 37.462500][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 37.470071][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 37.500551][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 37.508585][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 37.516831][ T19] bridge0: port 1(bridge_slave_0) entered blocking state
[ 37.523855][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 37.532733][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 37.541010][ T19] bridge0: port 2(bridge_slave_1) entered blocking state
[ 37.548098][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 37.555556][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 37.563668][ T19] bridge0: port 1(bridge_slave_0) entered blocking state
[ 37.570699][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 37.578940][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 37.587185][ T19] bridge0: port 2(bridge_slave_1) entered blocking state
[ 37.594199][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 37.601541][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 37.609618][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 37.642071][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 37.650569][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 37.658389][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 37.667400][ T378] bridge0: port 1(bridge_slave_0) entered blocking state
[ 37.675301][ T378] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 37.682811][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 37.690775][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 37.699024][ T378] bridge0: port 2(bridge_slave_1) entered blocking state
[ 37.706073][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 37.720145][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 37.727489][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 37.735850][ T107] bridge0: port 1(bridge_slave_0) entered blocking state
[ 37.742874][ T107] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 37.750750][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 37.758818][ T107] bridge0: port 2(bridge_slave_1) entered blocking state
[ 37.766031][ T107] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 37.773557][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 37.781541][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 37.802876][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 37.811634][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 37.820476][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 37.828904][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 37.837750][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 37.872261][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 37.881883][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 37.891966][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 37.899977][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 37.907851][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 37.916121][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 37.924233][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 37.932619][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 37.940972][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 37.949196][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 37.957379][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 37.965476][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 37.973670][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 37.982030][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 37.989998][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 37.997380][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 38.004962][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 38.013444][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 38.033013][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 38.041647][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 38.050009][ T5] bridge0: port 1(bridge_slave_0) entered blocking state
[ 38.057026][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 38.065727][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 38.074289][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 38.083304][ T5] bridge0: port 2(bridge_slave_1) entered blocking state
[ 38.090328][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 38.097778][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 38.106505][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 38.115142][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 38.123090][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 38.144337][ T407] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 38.149111][ T23] audit: type=1400 audit(1654106014.339:154): avc: denied { mount } for pid=407 comm="syz-executor.2" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1
[ 38.169828][ T407] !!!!! cgroup_kn_unlock css ffff88810bbf2000 !!!
[ 38.178911][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 38.188556][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 38.188611][ T407] !!!!! cgroup_kn_unlock css ffff88811a4b0010 !!!
[ 38.196622][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 38.203069][ T407] !!!!! cgroup_kn_unlock css ffff88810beda000 !!!
[ 38.218543][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 38.226637][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 38.235207][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 38.243620][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 38.251687][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 38.259742][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 38.267501][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 38.275783][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 38.284061][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 38.292334][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 38.300723][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 38.308921][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 38.318004][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 38.325460][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 38.334093][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 38.342322][ T377] bridge0: port 1(bridge_slave_0) entered blocking state
[ 38.349348][ T377] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 38.357620][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 38.366262][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 38.374596][ T377] bridge0: port 2(bridge_slave_1) entered blocking state
[ 38.381654][ T377] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 38.389712][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 38.397611][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 38.406002][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 38.421744][ T407] !!!!! cgroup_kn_unlock css ffff88811a4b4010 !!!
[ 38.428517][ T410] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 38.428577][ T407] !!!!! cgroup_kn_unlock css ffff88810bed8000 !!!
[ 38.444593][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 38.445281][ T410] !!!!! cgroup_kn_unlock css ffff88810bff8000 !!!
[ 38.455716][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 38.468029][ T410] !!!!! cgroup_kn_unlock css ffff88811a4b0010 !!!
[ 38.470989][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 38.476216][ T410] !!!!! cgroup_kn_unlock css ffff88810c176000 !!!
[ 38.486393][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 38.489543][ T23] audit: type=1400 audit(1654106014.679:155): avc: denied { mounton } for pid=434 comm="syz-executor.2" path="/root/syzkaller-testdir3218272339/syzkaller.0ji6Gz/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 38.497388][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 38.532972][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 38.541563][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 38.550031][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 38.558251][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 38.566972][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 38.575969][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 38.584505][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 38.592963][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 38.601279][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 38.617627][ T410] !!!!! cgroup_kn_unlock css ffff88811a4b4010 !!!
[ 38.625825][ T413] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 38.628482][ T410] !!!!! cgroup_kn_unlock css ffff88810c174000 !!!
[ 38.633117][ T408] !!!!! cgroup_kn_unlock css ffff88811c0be000 !!!
[ 38.640936][ T412] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 38.662782][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 38.665236][ T408] !!!!! cgroup_kn_unlock css ffff88811c0ba000 !!!
[ 38.674202][ T440] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 38.677984][ T412] !!!!! cgroup_kn_unlock css ffff88810c2c0000 !!!
[ 38.685143][ T413] !!!!! cgroup_kn_unlock css ffff88810c304000 !!!
[ 38.691030][ T408] !!!!! cgroup_kn_unlock css ffff88811c0bc000 !!!
[ 38.697715][ T413] !!!!! cgroup_kn_unlock css ffff88811a4b0010 !!!
[ 38.710917][ C0] !!!!! css_killed_ref_fn css ffff88811c0c0400 !!!
[ 38.717435][ C0] !!!!! css_killed_ref_fn css ffff88810b021400 !!!
[ 38.722864][ T413] !!!!! cgroup_kn_unlock css ffff88810c4f0000 !!!
[ 38.724509][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 38.730862][ T412] !!!!! cgroup_kn_unlock css ffff88811a4b0010 !!!
[ 38.739704][ C0] !!!!! css_killed_ref_fn css ffff88810c04c400 !!!
[ 38.752435][ C0] !!!!! css_killed_ref_fn css ffff88810c267800 !!!
[ 38.758919][ C0] !!!!! css_killed_ref_fn css ffff88810c21dc00 !!!
[ 38.765931][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 38.778388][ T413] !!!!! cgroup_kn_unlock css ffff88811a4b4010 !!!
[ 38.778583][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 38.785171][ T412] !!!!! cgroup_kn_unlock css ffff88810c54e000 !!!
[ 38.793586][ T5] !!!!! css_release css ffff88811c0c0400 !!!
[ 38.805878][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 38.814092][ T413] !!!!! cgroup_kn_unlock css ffff88810c54c000 !!!
[ 38.815998][ T5] !!!!! css_release css ffff88810b021400 !!!
[ 38.828116][ T23] audit: type=1400 audit(1654106015.019:156): avc: denied { append } for pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 38.851322][ T412] !!!!! cgroup_kn_unlock css ffff88811a4b4010 !!!
[ 38.852039][ T50] !!!!! css_release css ffff88810c04c400 !!!
[ 38.861612][ T23] audit: type=1400 audit(1654106015.019:157): avc: denied { open } for pid=141 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 38.865613][ T377] !!!!! css_release css ffff88810c267800 !!!
[ 38.887086][ T23] audit: type=1400 audit(1654106015.019:158): avc: denied { getattr } for pid=141 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 38.896818][ T412] !!!!! cgroup_kn_unlock css ffff88810c578000 !!!
[ 38.922848][ T414] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 38.929790][ T50] !!!!! css_release css ffff88810c21dc00 !!!
[ 38.936042][ T440] FAULT_INJECTION: forcing a failure.
[ 38.936042][ T440] name failslab, interval 1, probability 0, space 0, times 1
[ 38.949379][ T440] CPU: 1 PID: 440 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 38.959605][ T440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 38.969732][ T440] Call Trace:
[ 38.973053][ T440] dump_stack+0x19c/0x1e2
[ 38.977371][ T440] should_fail+0x3f7/0x5b0
[ 38.981844][ T440] __should_failslab+0xd2/0x130
[ 38.986677][ T440] ? __kernfs_new_node+0x97/0x6d0
[ 38.991788][ T440] should_failslab+0x9/0x20
[ 38.996298][ T440] slab_pre_alloc_hook+0x25/0xe0
[ 39.001219][ T440] ? __kernfs_new_node+0x97/0x6d0
[ 39.006324][ T440] kmem_cache_alloc+0x40/0x2a0
[ 39.011364][ T440] __kernfs_new_node+0x97/0x6d0
[ 39.016279][ T440] ? string+0x29f/0x2b0
[ 39.020435][ T440] ? vsnprintf+0x1a6c/0x1b30
[ 39.025010][ T440] kernfs_new_node+0x97/0x170
[ 39.029667][ T440] __kernfs_create_file+0x4a/0x270
[ 39.034759][ T440] cgroup_addrm_files+0x99e/0xeb0
[ 39.039935][ T440] ? delete_node+0x747/0x7a0
[ 39.044605][ T440] css_populate_dir+0x137/0x370
[ 39.049468][ T440] cgroup_apply_control_enable+0x5cd/0xf70
[ 39.055262][ T440] cgroup_apply_control+0x36/0x710
[ 39.060353][ T440] ? init_wait_entry+0xe0/0xe0
[ 39.065095][ T440] ? cgroup_kn_lock_live+0x1af/0x370
[ 39.070357][ T440] cgroup_subtree_control_write+0xd05/0x12d0
[ 39.076311][ T440] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 39.083055][ T440] cgroup_file_write+0x22f/0x4f0
[ 39.088015][ T440] kernfs_fop_write_iter+0x2cd/0x410
[ 39.093471][ T440] ? cgroup_seqfile_stop+0xc0/0xc0
[ 39.098573][ T440] vfs_write+0xb57/0xe50
[ 39.102797][ T440] ksys_write+0x157/0x260
[ 39.107203][ T440] __x64_sys_write+0x7b/0x90
[ 39.111774][ T440] do_syscall_64+0x34/0x70
[ 39.116166][ T440] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 39.122190][ T440] RIP: 0033:0x7fbd869e10e9
[ 39.126723][ T440] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 39.146369][ T440] RSP: 002b:00007fbd86957168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 39.154761][ T440] RAX: ffffffffffffffda RBX: 00007fbd86af3f60 RCX: 00007fbd869e10e9
[ 39.162819][ T440] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 39.170773][ T440] RBP: 00007fbd869571d0 R08: 0000000000000000 R09: 0000000000000000
[ 39.179166][ T440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 39.187294][ T440] R13: 00007ffc2d31856f R14: 00007fbd86957300 R15: 0000000000022000
[ 39.197065][ T440] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 39.204536][ T414] !!!!! cgroup_kn_unlock css ffff88811f2a0000 !!!
[ 39.212844][ T440] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 39.219830][ T414] !!!!! cgroup_kn_unlock css ffff88811a4b0010 !!!
[ 39.227747][ T414] !!!!! cgroup_kn_unlock css ffff88811f2a4000 !!!
[ 39.237094][ T414] !!!!! cgroup_kn_unlock css ffff88811a4b4010 !!!
[ 39.239046][ C1] !!!!! css_killed_ref_fn css ffff88811f2d8800 !!!
[ 39.244874][ T414] !!!!! cgroup_kn_unlock css ffff88810c8ca000 !!!
[ 39.250240][ C1] !!!!! css_killed_ref_fn css ffff88811f2d8c00 !!!
[ 39.250248][ C1] !!!!! css_killed_ref_fn css ffff88811f2d8400 !!!
[ 39.250617][ T373] !!!!! css_release css ffff88811f2d8800 !!!
[ 39.277620][ T373] !!!!! css_release css ffff88811f2d8c00 !!!
[ 39.283858][ T373] !!!!! css_release css ffff88811f2d8400 !!!
[ 39.290312][ T447] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 39.294305][ T442] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 39.296844][ T439] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 39.304110][ T455] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 39.310146][ T458] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 39.316259][ T453] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 39.323404][ T451] FAULT_INJECTION: forcing a failure.
[ 39.323404][ T451] name failslab, interval 1, probability 0, space 0, times 0
[ 39.342065][ T451] CPU: 1 PID: 451 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 39.352190][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 39.362227][ T451] Call Trace:
[ 39.365495][ T451] dump_stack+0x19c/0x1e2
[ 39.369807][ T451] should_fail+0x3f7/0x5b0
[ 39.374204][ T451] __should_failslab+0xd2/0x130
[ 39.379031][ T451] ? __kernfs_new_node+0x97/0x6d0
[ 39.384035][ T451] should_failslab+0x9/0x20
[ 39.388533][ T451] slab_pre_alloc_hook+0x25/0xe0
[ 39.393542][ T451] ? __kernfs_new_node+0x97/0x6d0
[ 39.398558][ T451] kmem_cache_alloc+0x40/0x2a0
[ 39.403314][ T451] __kernfs_new_node+0x97/0x6d0
[ 39.408148][ T451] ? string+0x29f/0x2b0
[ 39.412285][ T451] ? vsnprintf+0x1a6c/0x1b30
[ 39.416869][ T451] kernfs_new_node+0x97/0x170
[ 39.421540][ T451] __kernfs_create_file+0x4a/0x270
[ 39.426721][ T451] cgroup_addrm_files+0x99e/0xeb0
[ 39.431738][ T451] ? delete_node+0x747/0x7a0
[ 39.436311][ T451] css_populate_dir+0x137/0x370
[ 39.441257][ T451] cgroup_apply_control_enable+0x5cd/0xf70
[ 39.447063][ T451] cgroup_apply_control+0x36/0x710
[ 39.452192][ T451] ? init_wait_entry+0xe0/0xe0
[ 39.456938][ T451] ? cgroup_kn_lock_live+0x1af/0x370
[ 39.462203][ T451] cgroup_subtree_control_write+0xd05/0x12d0
[ 39.468166][ T451] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 39.474134][ T451] cgroup_file_write+0x22f/0x4f0
[ 39.479063][ T451] kernfs_fop_write_iter+0x2cd/0x410
[ 39.484339][ T451] ? cgroup_seqfile_stop+0xc0/0xc0
[ 39.489554][ T451] vfs_write+0xb57/0xe50
[ 39.493798][ T451] ksys_write+0x157/0x260
[ 39.498104][ T451] __x64_sys_write+0x7b/0x90
[ 39.502676][ T451] do_syscall_64+0x34/0x70
[ 39.507072][ T451] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 39.512940][ T451] RIP: 0033:0x7f9216a470e9
[ 39.517340][ T451] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 39.537017][ T451] RSP: 002b:00007f921699c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 39.545421][ T451] RAX: ffffffffffffffda RBX: 00007f9216b5a030 RCX: 00007f9216a470e9
[ 39.553382][ T451] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 39.561426][ T451] RBP: 00007f921699c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 39.569377][ T451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 39.577424][ T451] R13: 00007ffdf497e50f R14: 00007f921699c300 R15: 0000000000022000
[ 39.589311][ T451] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 39.596977][ T451] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 39.611189][ C1] !!!!! css_killed_ref_fn css ffff88810cbcb000 !!!
[ 39.617734][ C1] !!!!! css_killed_ref_fn css ffff88810cbc9800 !!!
[ 39.624248][ C1] !!!!! css_killed_ref_fn css ffff88810cbcbc00 !!!
[ 39.630776][ T373] !!!!! css_release css ffff88810cbcb000 !!!
[ 39.637186][ T373] !!!!! css_release css ffff88810cbc9800 !!!
[ 39.643362][ T373] !!!!! css_release css ffff88810cbcbc00 !!!
[ 39.649538][ T455] FAULT_INJECTION: forcing a failure.
[ 39.649538][ T455] name failslab, interval 1, probability 0, space 0, times 0
[ 39.662764][ T455] CPU: 0 PID: 455 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 39.673024][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 39.683055][ T455] Call Trace:
[ 39.687120][ T455] dump_stack+0x19c/0x1e2
[ 39.691429][ T455] should_fail+0x3f7/0x5b0
[ 39.695820][ T455] __should_failslab+0xd2/0x130
[ 39.700645][ T455] should_failslab+0x9/0x20
[ 39.705125][ T455] slab_pre_alloc_hook+0x25/0xe0
[ 39.710060][ T455] ? __kernfs_new_node+0x4c/0x6d0
[ 39.715159][ T455] __kmalloc_track_caller+0x70/0x300
[ 39.720458][ T455] ? __kernfs_new_node+0x4c/0x6d0
[ 39.725463][ T455] kstrdup_const+0x55/0x90
[ 39.729886][ T455] __kernfs_new_node+0x4c/0x6d0
[ 39.734800][ T455] ? string+0x29f/0x2b0
[ 39.739040][ T455] ? vsnprintf+0x1a6c/0x1b30
[ 39.743622][ T455] kernfs_new_node+0x97/0x170
[ 39.748273][ T455] __kernfs_create_file+0x4a/0x270
[ 39.753374][ T455] cgroup_addrm_files+0x99e/0xeb0
[ 39.758491][ T455] ? delete_node+0x747/0x7a0
[ 39.763062][ T455] css_populate_dir+0x137/0x370
[ 39.767900][ T455] cgroup_apply_control_enable+0x5cd/0xf70
[ 39.773945][ T455] cgroup_apply_control+0x36/0x710
[ 39.779128][ T455] ? init_wait_entry+0xe0/0xe0
[ 39.784003][ T455] ? cgroup_kn_lock_live+0x1af/0x370
[ 39.789443][ T455] cgroup_subtree_control_write+0xd05/0x12d0
[ 39.795413][ T455] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 39.801422][ T455] cgroup_file_write+0x22f/0x4f0
[ 39.806370][ T455] kernfs_fop_write_iter+0x2cd/0x410
[ 39.811632][ T455] ? cgroup_seqfile_stop+0xc0/0xc0
[ 39.816739][ T455] vfs_write+0xb57/0xe50
[ 39.820970][ T455] ksys_write+0x157/0x260
[ 39.825295][ T455] __x64_sys_write+0x7b/0x90
[ 39.829873][ T455] do_syscall_64+0x34/0x70
[ 39.836440][ T455] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 39.842743][ T455] RIP: 0033:0x7fbd869e10e9
[ 39.847245][ T455] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 39.869204][ T455] RSP: 002b:00007fbd86957168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 39.877790][ T455] RAX: ffffffffffffffda RBX: 00007fbd86af3f60 RCX: 00007fbd869e10e9
[ 39.885772][ T455] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 39.894092][ T455] RBP: 00007fbd869571d0 R08: 0000000000000000 R09: 0000000000000000
[ 39.902057][ T455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 39.910015][ T455] R13: 00007ffc2d31856f R14: 00007fbd86957300 R15: 0000000000022000
[ 39.921808][ T455] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 39.931494][ T455] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 39.949344][ C1] !!!!! css_killed_ref_fn css ffff88810cf01400 !!!
[ 39.955855][ C1] !!!!! css_killed_ref_fn css ffff88810cf02400 !!!
[ 39.962365][ C1] !!!!! css_killed_ref_fn css ffff88810cf03000 !!!
[ 39.969129][ T373] !!!!! css_release css ffff88810cf01400 !!!
[ 39.975175][ T373] !!!!! css_release css ffff88810cf02400 !!!
[ 39.981689][ T373] !!!!! css_release css ffff88810cf03000 !!!
[ 39.987940][ T458] FAULT_INJECTION: forcing a failure.
[ 39.987940][ T458] name failslab, interval 1, probability 0, space 0, times 0
[ 40.001054][ T458] CPU: 0 PID: 458 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 40.011192][ T458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 40.021223][ T458] Call Trace:
[ 40.024502][ T458] dump_stack+0x19c/0x1e2
[ 40.028815][ T458] should_fail+0x3f7/0x5b0
[ 40.033224][ T458] __should_failslab+0xd2/0x130
[ 40.038063][ T458] ? __kernfs_new_node+0x97/0x6d0
[ 40.043076][ T458] should_failslab+0x9/0x20
[ 40.047569][ T458] slab_pre_alloc_hook+0x25/0xe0
[ 40.052499][ T458] ? __kernfs_new_node+0x97/0x6d0
[ 40.057511][ T458] kmem_cache_alloc+0x40/0x2a0
[ 40.062266][ T458] __kernfs_new_node+0x97/0x6d0
[ 40.067129][ T458] ? string+0x29f/0x2b0
[ 40.071273][ T458] ? vsnprintf+0x1a6c/0x1b30
[ 40.075846][ T458] kernfs_new_node+0x97/0x170
[ 40.080505][ T458] __kernfs_create_file+0x4a/0x270
[ 40.085601][ T458] cgroup_addrm_files+0x99e/0xeb0
[ 40.090603][ T458] ? delete_node+0x747/0x7a0
[ 40.095167][ T458] css_populate_dir+0x137/0x370
[ 40.100001][ T458] cgroup_apply_control_enable+0x5cd/0xf70
[ 40.105800][ T458] cgroup_apply_control+0x36/0x710
[ 40.110896][ T458] ? cgroup_subtree_control_write+0xb2f/0x12d0
[ 40.117029][ T458] cgroup_subtree_control_write+0xd05/0x12d0
[ 40.123193][ T458] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 40.129147][ T458] cgroup_file_write+0x22f/0x4f0
[ 40.134055][ T458] kernfs_fop_write_iter+0x2cd/0x410
[ 40.139403][ T458] ? cgroup_seqfile_stop+0xc0/0xc0
[ 40.144487][ T458] vfs_write+0xb57/0xe50
[ 40.148700][ T458] ksys_write+0x157/0x260
[ 40.153001][ T458] __x64_sys_write+0x7b/0x90
[ 40.157652][ T458] do_syscall_64+0x34/0x70
[ 40.162042][ T458] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 40.167908][ T458] RIP: 0033:0x7f9295a4b0e9
[ 40.172311][ T458] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 40.191899][ T458] RSP: 002b:00007f92959c1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 40.200338][ T458] RAX: ffffffffffffffda RBX: 00007f9295b5df60 RCX: 00007f9295a4b0e9
[ 40.208329][ T458] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 40.216484][ T458] RBP: 00007f92959c11d0 R08: 0000000000000000 R09: 0000000000000000
[ 40.224437][ T458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 40.232729][ T458] R13: 00007ffea8f54faf R14: 00007f92959c1300 R15: 0000000000022000
[ 40.242560][ T458] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 40.250682][ T458] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 40.289219][ C0] !!!!! css_killed_ref_fn css ffff88811f3db000 !!!
[ 40.295750][ C0] !!!!! css_killed_ref_fn css ffff88811f3da400 !!!
[ 40.302271][ C0] !!!!! css_killed_ref_fn css ffff88811f3d9400 !!!
[ 40.308836][ T5] !!!!! css_release css ffff88811f3db000 !!!
[ 40.315346][ T5] !!!!! css_release css ffff88811f3da400 !!!
[ 40.321503][ T5] !!!!! css_release css ffff88811f3d9400 !!!
[ 40.327578][ T443] FAULT_INJECTION: forcing a failure.
[ 40.327578][ T443] name failslab, interval 1, probability 0, space 0, times 0
[ 40.340945][ T443] CPU: 0 PID: 443 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 40.351097][ T443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 40.361157][ T443] Call Trace:
[ 40.364444][ T443] dump_stack+0x19c/0x1e2
[ 40.368759][ T443] should_fail+0x3f7/0x5b0
[ 40.373182][ T443] __should_failslab+0xd2/0x130
[ 40.378017][ T443] should_failslab+0x9/0x20
[ 40.382496][ T443] slab_pre_alloc_hook+0x25/0xe0
[ 40.387452][ T443] kmem_cache_alloc_trace+0x47/0x2b0
[ 40.392720][ T443] ? percpu_ref_init+0xd0/0x330
[ 40.397544][ T443] percpu_ref_init+0xd0/0x330
[ 40.402207][ T443] ? cgroup_setup_root+0x8a0/0x8a0
[ 40.407301][ T443] cgroup_apply_control_enable+0x3d2/0xf70
[ 40.413100][ T443] cgroup_apply_control+0x36/0x710
[ 40.418191][ T443] ? init_wait_entry+0xe0/0xe0
[ 40.422948][ T443] ? cgroup_kn_lock_live+0x1af/0x370
[ 40.428414][ T443] cgroup_subtree_control_write+0xd05/0x12d0
[ 40.434375][ T443] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 40.440333][ T443] cgroup_file_write+0x22f/0x4f0
[ 40.445254][ T443] kernfs_fop_write_iter+0x2cd/0x410
[ 40.450526][ T443] ? cgroup_seqfile_stop+0xc0/0xc0
[ 40.455619][ T443] vfs_write+0xb57/0xe50
[ 40.459923][ T443] ksys_write+0x157/0x260
[ 40.464229][ T443] __x64_sys_write+0x7b/0x90
[ 40.468793][ T443] do_syscall_64+0x34/0x70
[ 40.473184][ T443] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 40.479061][ T443] RIP: 0033:0x7faede8f60e9
[ 40.483466][ T443] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 40.503052][ T443] RSP: 002b:00007faede84b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 40.511611][ T443] RAX: ffffffffffffffda RBX: 00007faedea09030 RCX: 00007faede8f60e9
[ 40.519666][ T443] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 40.527622][ T443] RBP: 00007faede84b1d0 R08: 0000000000000000 R09: 0000000000000000
[ 40.535567][ T443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 40.543521][ T443] R13: 00007ffcf159dfef R14: 00007faede84b300 R15: 0000000000022000
[ 40.553264][ T443] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 40.617898][ C1] !!!!! css_killed_ref_fn css ffff88810d007c00 !!!
[ 40.624447][ C1] !!!!! css_killed_ref_fn css ffff88810d007400 !!!
[ 40.631214][ T373] !!!!! css_release css ffff88810d007c00 !!!
[ 40.637210][ T373] !!!!! css_release css ffff88810d007400 !!!
[ 40.643387][ T466] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 40.643482][ T469] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 40.650244][ T444] FAULT_INJECTION: forcing a failure.
[ 40.650244][ T444] name failslab, interval 1, probability 0, space 0, times 0
[ 40.668856][ T444] CPU: 1 PID: 444 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 40.678995][ T444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 40.689039][ T444] Call Trace:
[ 40.692313][ T444] dump_stack+0x19c/0x1e2
[ 40.696619][ T444] should_fail+0x3f7/0x5b0
[ 40.701022][ T444] __should_failslab+0xd2/0x130
[ 40.705845][ T444] should_failslab+0x9/0x20
[ 40.710321][ T444] slab_pre_alloc_hook+0x25/0xe0
[ 40.715232][ T444] kmem_cache_alloc_trace+0x47/0x2b0
[ 40.720496][ T444] ? percpu_ref_init+0xd0/0x330
[ 40.725317][ T444] percpu_ref_init+0xd0/0x330
[ 40.729967][ T444] ? cgroup_setup_root+0x8a0/0x8a0
[ 40.735050][ T444] cgroup_apply_control_enable+0x3d2/0xf70
[ 40.740837][ T444] cgroup_apply_control+0x36/0x710
[ 40.745930][ T444] ? init_wait_entry+0xe0/0xe0
[ 40.750662][ T444] ? cgroup_kn_lock_live+0x1af/0x370
[ 40.755917][ T444] cgroup_subtree_control_write+0xd05/0x12d0
[ 40.761874][ T444] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 40.767821][ T444] cgroup_file_write+0x22f/0x4f0
[ 40.772752][ T444] kernfs_fop_write_iter+0x2cd/0x410
[ 40.778024][ T444] ? cgroup_seqfile_stop+0xc0/0xc0
[ 40.783125][ T444] vfs_write+0xb57/0xe50
[ 40.787349][ T444] ksys_write+0x157/0x260
[ 40.791680][ T444] __x64_sys_write+0x7b/0x90
[ 40.796249][ T444] do_syscall_64+0x34/0x70
[ 40.800642][ T444] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 40.806508][ T444] RIP: 0033:0x7f499fc5c0e9
[ 40.810900][ T444] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 40.830487][ T444] RSP: 002b:00007f499fbb1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 40.838871][ T444] RAX: ffffffffffffffda RBX: 00007f499fd6f030 RCX: 00007f499fc5c0e9
[ 40.846825][ T444] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 40.854782][ T444] RBP: 00007f499fbb11d0 R08: 0000000000000000 R09: 0000000000000000
[ 40.862725][ T444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 40.870756][ T444] R13: 00007fffd52c57bf R14: 00007f499fbb1300 R15: 0000000000022000
[ 40.879335][ T444] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 40.919130][ C0] !!!!! css_killed_ref_fn css ffff88810d235000 !!!
[ 40.925750][ T50] !!!!! css_release css ffff88810d235000 !!!
[ 40.931907][ C0] !!!!! css_killed_ref_fn css ffff88810d236c00 !!!
[ 40.938599][ T50] !!!!! css_release css ffff88810d236c00 !!!
[ 40.944976][ T467] FAULT_INJECTION: forcing a failure.
[ 40.944976][ T467] name failslab, interval 1, probability 0, space 0, times 0
[ 40.957775][ T467] CPU: 1 PID: 467 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 40.967902][ T467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 40.978664][ T467] Call Trace:
[ 40.982199][ T467] dump_stack+0x19c/0x1e2
[ 40.986538][ T467] should_fail+0x3f7/0x5b0
[ 40.991027][ T467] __should_failslab+0xd2/0x130
[ 40.996053][ T467] should_failslab+0x9/0x20
[ 41.000550][ T467] slab_pre_alloc_hook+0x25/0xe0
[ 41.005478][ T467] kmem_cache_alloc_trace+0x47/0x2b0
[ 41.010756][ T467] ? percpu_ref_init+0xd0/0x330
[ 41.015585][ T467] percpu_ref_init+0xd0/0x330
[ 41.020239][ T467] ? cgroup_setup_root+0x8a0/0x8a0
[ 41.025357][ T467] cgroup_apply_control_enable+0x3d2/0xf70
[ 41.031166][ T467] cgroup_apply_control+0x36/0x710
[ 41.036251][ T467] ? init_wait_entry+0xe0/0xe0
[ 41.041011][ T467] ? cgroup_kn_lock_live+0x1af/0x370
[ 41.046321][ T467] cgroup_subtree_control_write+0xd05/0x12d0
[ 41.052297][ T467] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 41.058259][ T467] cgroup_file_write+0x22f/0x4f0
[ 41.063172][ T467] kernfs_fop_write_iter+0x2cd/0x410
[ 41.068435][ T467] ? cgroup_seqfile_stop+0xc0/0xc0
[ 41.073527][ T467] vfs_write+0xb57/0xe50
[ 41.077761][ T467] ksys_write+0x157/0x260
[ 41.082074][ T467] __x64_sys_write+0x7b/0x90
[ 41.086647][ T467] do_syscall_64+0x34/0x70
[ 41.091054][ T467] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 41.096919][ T467] RIP: 0033:0x7f9295a4b0e9
[ 41.101310][ T467] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 41.121367][ T467] RSP: 002b:00007f92959a0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 41.129761][ T467] RAX: ffffffffffffffda RBX: 00007f9295b5e030 RCX: 00007f9295a4b0e9
[ 41.137723][ T467] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 41.145677][ T467] RBP: 00007f92959a01d0 R08: 0000000000000000 R09: 0000000000000000
[ 41.153652][ T467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 41.161786][ T467] R13: 00007ffea8f54faf R14: 00007f92959a0300 R15: 0000000000022000
[ 41.170352][ T467] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 41.209250][ C1] !!!!! css_killed_ref_fn css ffff88811f3fe800 !!!
[ 41.215795][ C1] !!!!! css_killed_ref_fn css ffff88811f3ffc00 !!!
[ 41.222464][ T378] !!!!! css_release css ffff88811f3fe800 !!!
[ 41.228463][ T378] !!!!! css_release css ffff88811f3ffc00 !!!
[ 41.236030][ T453] FAULT_INJECTION: forcing a failure.
[ 41.236030][ T453] name failslab, interval 1, probability 0, space 0, times 0
[ 41.249075][ T453] CPU: 1 PID: 453 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 41.259352][ T453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 41.269738][ T453] Call Trace:
[ 41.273021][ T453] dump_stack+0x19c/0x1e2
[ 41.277342][ T453] should_fail+0x3f7/0x5b0
[ 41.281736][ T453] __should_failslab+0xd2/0x130
[ 41.286574][ T453] should_failslab+0x9/0x20
[ 41.291416][ T453] slab_pre_alloc_hook+0x25/0xe0
[ 41.296565][ T453] kmem_cache_alloc_trace+0x47/0x2b0
[ 41.301834][ T453] ? percpu_ref_init+0xd0/0x330
[ 41.306687][ T453] percpu_ref_init+0xd0/0x330
[ 41.311419][ T453] ? cgroup_setup_root+0x8a0/0x8a0
[ 41.316597][ T453] cgroup_apply_control_enable+0x3d2/0xf70
[ 41.322392][ T453] cgroup_apply_control+0x36/0x710
[ 41.327509][ T453] ? init_wait_entry+0xe0/0xe0
[ 41.332259][ T453] ? cgroup_kn_lock_live+0x1af/0x370
[ 41.337535][ T453] cgroup_subtree_control_write+0xd05/0x12d0
[ 41.343491][ T453] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 41.349540][ T453] cgroup_file_write+0x22f/0x4f0
[ 41.354466][ T453] kernfs_fop_write_iter+0x2cd/0x410
[ 41.359744][ T453] ? cgroup_seqfile_stop+0xc0/0xc0
[ 41.364850][ T453] vfs_write+0xb57/0xe50
[ 41.369071][ T453] ksys_write+0x157/0x260
[ 41.373384][ T453] __x64_sys_write+0x7b/0x90
[ 41.377964][ T453] do_syscall_64+0x34/0x70
[ 41.382368][ T453] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 41.388330][ T453] RIP: 0033:0x7fb7f2ddf0e9
[ 41.392736][ T453] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 41.412342][ T453] RSP: 002b:00007fb7f2d55168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 41.420752][ T453] RAX: ffffffffffffffda RBX: 00007fb7f2ef1f60 RCX: 00007fb7f2ddf0e9
[ 41.428699][ T453] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 41.436651][ T453] RBP: 00007fb7f2d551d0 R08: 0000000000000000 R09: 0000000000000000
[ 41.444598][ T453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 41.452634][ T453] R13: 00007fffc859aa1f R14: 00007fb7f2d55300 R15: 0000000000022000
[ 41.461427][ T453] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 41.489140][ C1] !!!!! css_killed_ref_fn css ffff88810d4ae000 !!!
[ 41.495733][ C1] !!!!! css_killed_ref_fn css ffff88810d472400 !!!
[ 41.502361][ T378] !!!!! css_release css ffff88810d4ae000 !!!
[ 41.508549][ T378] !!!!! css_release css ffff88810d472400 !!!
[ 41.514709][ T478] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 41.519126][ T472] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 41.521331][ T460] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 41.527735][ T473] FAULT_INJECTION: forcing a failure.
[ 41.527735][ T473] name failslab, interval 1, probability 0, space 0, times 0
[ 41.547000][ T473] CPU: 1 PID: 473 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 41.557518][ T473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 41.567756][ T473] Call Trace:
[ 41.571042][ T473] dump_stack+0x19c/0x1e2
[ 41.575349][ T473] should_fail+0x3f7/0x5b0
[ 41.579741][ T473] __should_failslab+0xd2/0x130
[ 41.584567][ T473] should_failslab+0x9/0x20
[ 41.589051][ T473] slab_pre_alloc_hook+0x25/0xe0
[ 41.593965][ T473] ? __kernfs_new_node+0x4c/0x6d0
[ 41.599057][ T473] __kmalloc_track_caller+0x70/0x300
[ 41.604356][ T473] ? __kernfs_new_node+0x4c/0x6d0
[ 41.609517][ T473] kstrdup_const+0x55/0x90
[ 41.614219][ T473] __kernfs_new_node+0x4c/0x6d0
[ 41.619144][ T473] ? string+0x29f/0x2b0
[ 41.623285][ T473] ? vsnprintf+0x1a6c/0x1b30
[ 41.627962][ T473] kernfs_new_node+0x97/0x170
[ 41.632731][ T473] __kernfs_create_file+0x4a/0x270
[ 41.637842][ T473] cgroup_addrm_files+0x99e/0xeb0
[ 41.642864][ T473] ? delete_node+0x747/0x7a0
[ 41.647434][ T473] css_populate_dir+0x137/0x370
[ 41.652428][ T473] cgroup_apply_control_enable+0x5cd/0xf70
[ 41.659186][ T473] cgroup_apply_control+0x36/0x710
[ 41.664291][ T473] ? init_wait_entry+0xe0/0xe0
[ 41.669037][ T473] ? cgroup_kn_lock_live+0x1af/0x370
[ 41.674398][ T473] cgroup_subtree_control_write+0xd05/0x12d0
[ 41.680532][ T473] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 41.686505][ T473] cgroup_file_write+0x22f/0x4f0
[ 41.691518][ T473] kernfs_fop_write_iter+0x2cd/0x410
[ 41.696800][ T473] ? cgroup_seqfile_stop+0xc0/0xc0
[ 41.701891][ T473] vfs_write+0xb57/0xe50
[ 41.706132][ T473] ksys_write+0x157/0x260
[ 41.710447][ T473] __x64_sys_write+0x7b/0x90
[ 41.715378][ T473] do_syscall_64+0x34/0x70
[ 41.719773][ T473] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 41.725761][ T473] RIP: 0033:0x7f499fc5c0e9
[ 41.730286][ T473] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 41.749888][ T473] RSP: 002b:00007f499fbb1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 41.758615][ T473] RAX: ffffffffffffffda RBX: 00007f499fd6f030 RCX: 00007f499fc5c0e9
[ 41.766588][ T473] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 41.774634][ T473] RBP: 00007f499fbb11d0 R08: 0000000000000000 R09: 0000000000000000
2022/06/01 17:53:38 executed programs: 16
[ 41.782674][ T473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 41.790738][ T473] R13: 00007fffd52c57bf R14: 00007f499fbb1300 R15: 0000000000022000
[ 41.799294][ T473] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 41.806421][ T473] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 41.829081][ C1] !!!!! css_killed_ref_fn css ffff88810d473c00 !!!
[ 41.835713][ C1] !!!!! css_killed_ref_fn css ffff88810d473400 !!!
[ 41.842229][ C1] !!!!! css_killed_ref_fn css ffff88810d471800 !!!
[ 41.848787][ T378] !!!!! css_release css ffff88810d473c00 !!!
[ 41.854889][ T378] !!!!! css_release css ffff88810d473400 !!!
[ 41.861317][ T378] !!!!! css_release css ffff88810d471800 !!!
[ 41.867438][ T480] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 41.867622][ T461] FAULT_INJECTION: forcing a failure.
[ 41.867622][ T461] name failslab, interval 1, probability 0, space 0, times 0
[ 41.886832][ T461] CPU: 1 PID: 461 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 41.897596][ T461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 41.907644][ T461] Call Trace:
[ 41.911056][ T461] dump_stack+0x19c/0x1e2
[ 41.915658][ T461] should_fail+0x3f7/0x5b0
[ 41.920054][ T461] __should_failslab+0xd2/0x130
[ 41.924976][ T461] should_failslab+0x9/0x20
[ 41.929755][ T461] slab_pre_alloc_hook+0x25/0xe0
[ 41.934709][ T461] ? __kernfs_new_node+0x4c/0x6d0
[ 41.939739][ T461] __kmalloc_track_caller+0x70/0x300
[ 41.945014][ T461] ? __kernfs_new_node+0x4c/0x6d0
[ 41.950033][ T461] kstrdup_const+0x55/0x90
[ 41.954447][ T461] __kernfs_new_node+0x4c/0x6d0
[ 41.959619][ T461] ? string+0x29f/0x2b0
[ 41.964012][ T461] ? vsnprintf+0x1a6c/0x1b30
[ 41.968695][ T461] kernfs_new_node+0x97/0x170
[ 41.973361][ T461] __kernfs_create_file+0x4a/0x270
[ 41.978723][ T461] cgroup_addrm_files+0x99e/0xeb0
[ 41.984021][ T461] ? delete_node+0x747/0x7a0
[ 41.989171][ T461] css_populate_dir+0x137/0x370
[ 41.994133][ T461] cgroup_apply_control_enable+0x5cd/0xf70
[ 42.000052][ T461] cgroup_apply_control+0x36/0x710
[ 42.005618][ T461] ? init_wait_entry+0xe0/0xe0
[ 42.010482][ T461] ? cgroup_kn_lock_live+0x1af/0x370
[ 42.015755][ T461] cgroup_subtree_control_write+0xd05/0x12d0
[ 42.021717][ T461] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 42.027682][ T461] cgroup_file_write+0x22f/0x4f0
[ 42.032775][ T461] kernfs_fop_write_iter+0x2cd/0x410
[ 42.038037][ T461] ? cgroup_seqfile_stop+0xc0/0xc0
[ 42.043234][ T461] vfs_write+0xb57/0xe50
[ 42.047543][ T461] ksys_write+0x157/0x260
[ 42.052058][ T461] __x64_sys_write+0x7b/0x90
[ 42.057145][ T461] do_syscall_64+0x34/0x70
[ 42.061575][ T461] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 42.067475][ T461] RIP: 0033:0x7f9216a470e9
[ 42.071960][ T461] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 42.091777][ T461] RSP: 002b:00007f921699c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 42.100283][ T461] RAX: ffffffffffffffda RBX: 00007f9216b5a030 RCX: 00007f9216a470e9
[ 42.108243][ T461] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 42.116202][ T461] RBP: 00007f921699c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 42.124156][ T461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 42.133869][ T461] R13: 00007ffdf497e50f R14: 00007f921699c300 R15: 0000000000022000
[ 42.142119][ T461] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 42.149478][ T461] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 42.189061][ C1] !!!!! css_killed_ref_fn css ffff88810cd6e400 !!!
[ 42.195725][ C1] !!!!! css_killed_ref_fn css ffff88810cd6f000 !!!
[ 42.202235][ C1] !!!!! css_killed_ref_fn css ffff88810cd6d800 !!!
[ 42.208792][ T19] !!!!! css_release css ffff88810cd6e400 !!!
[ 42.214839][ T19] !!!!! css_release css ffff88810cd6f000 !!!
[ 42.220987][ T482] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 42.220992][ T463] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 42.221238][ T464] FAULT_INJECTION: forcing a failure.
[ 42.221238][ T464] name failslab, interval 1, probability 0, space 0, times 0
[ 42.246561][ T464] CPU: 1 PID: 464 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 42.257391][ T464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 42.267907][ T464] Call Trace:
[ 42.271183][ T464] dump_stack+0x19c/0x1e2
[ 42.275577][ T464] should_fail+0x3f7/0x5b0
[ 42.280076][ T464] __should_failslab+0xd2/0x130
[ 42.285099][ T464] should_failslab+0x9/0x20
[ 42.289603][ T464] slab_pre_alloc_hook+0x25/0xe0
[ 42.294537][ T464] kmem_cache_alloc_trace+0x47/0x2b0
[ 42.299818][ T464] ? percpu_ref_init+0xd0/0x330
[ 42.304667][ T464] percpu_ref_init+0xd0/0x330
[ 42.309335][ T464] ? cgroup_setup_root+0x8a0/0x8a0
[ 42.314512][ T464] cgroup_apply_control_enable+0x3d2/0xf70
[ 42.320308][ T464] cgroup_apply_control+0x36/0x710
[ 42.325394][ T464] ? init_wait_entry+0xe0/0xe0
[ 42.330241][ T464] ? cgroup_kn_lock_live+0x1af/0x370
[ 42.336373][ T464] cgroup_subtree_control_write+0xd05/0x12d0
[ 42.342505][ T464] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 42.348471][ T464] cgroup_file_write+0x22f/0x4f0
[ 42.353390][ T464] kernfs_fop_write_iter+0x2cd/0x410
[ 42.358753][ T464] ? cgroup_seqfile_stop+0xc0/0xc0
[ 42.363945][ T464] vfs_write+0xb57/0xe50
[ 42.368212][ T464] ksys_write+0x157/0x260
[ 42.372536][ T464] __x64_sys_write+0x7b/0x90
[ 42.377141][ T464] do_syscall_64+0x34/0x70
[ 42.381535][ T464] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 42.387406][ T464] RIP: 0033:0x7fbd869e10e9
[ 42.391901][ T464] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 42.411771][ T464] RSP: 002b:00007fbd86936168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 42.420282][ T464] RAX: ffffffffffffffda RBX: 00007fbd86af4030 RCX: 00007fbd869e10e9
[ 42.428246][ T464] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 42.436206][ T464] RBP: 00007fbd869361d0 R08: 0000000000000000 R09: 0000000000000000
[ 42.444551][ T464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 42.452517][ T464] R13: 00007ffc2d31856f R14: 00007fbd86936300 R15: 0000000000022000
[ 42.461133][ T464] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 42.489095][ C1] !!!!! css_killed_ref_fn css ffff88810cd6e800 !!!
[ 42.495648][ C1] !!!!! css_killed_ref_fn css ffff88810cd6ec00 !!!
[ 42.502354][ T19] !!!!! css_release css ffff88810cd6e800 !!!
[ 42.508490][ T373] !!!!! css_release css ffff88810cd6ec00 !!!
[ 42.514807][ T485] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 42.520461][ T480] FAULT_INJECTION: forcing a failure.
[ 42.520461][ T480] name failslab, interval 1, probability 0, space 0, times 0
[ 42.534219][ T480] CPU: 1 PID: 480 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 42.544573][ T480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 42.554874][ T480] Call Trace:
[ 42.558146][ T480] dump_stack+0x19c/0x1e2
[ 42.562473][ T480] should_fail+0x3f7/0x5b0
[ 42.567224][ T480] __should_failslab+0xd2/0x130
[ 42.572144][ T480] should_failslab+0x9/0x20
[ 42.576701][ T480] slab_pre_alloc_hook+0x25/0xe0
[ 42.581635][ T480] ? __kernfs_new_node+0x4c/0x6d0
[ 42.586737][ T480] __kmalloc_track_caller+0x70/0x300
[ 42.592004][ T480] ? __kernfs_new_node+0x4c/0x6d0
[ 42.597119][ T480] kstrdup_const+0x55/0x90
[ 42.601613][ T480] __kernfs_new_node+0x4c/0x6d0
[ 42.606534][ T480] ? string+0x29f/0x2b0
[ 42.610703][ T480] ? vsnprintf+0x1a6c/0x1b30
[ 42.615361][ T480] kernfs_new_node+0x97/0x170
[ 42.620021][ T480] __kernfs_create_file+0x4a/0x270
[ 42.625239][ T480] cgroup_addrm_files+0x99e/0xeb0
[ 42.630272][ T480] ? delete_node+0x747/0x7a0
[ 42.634945][ T480] css_populate_dir+0x137/0x370
[ 42.639776][ T480] cgroup_apply_control_enable+0x5cd/0xf70
[ 42.645557][ T480] cgroup_apply_control+0x36/0x710
[ 42.650909][ T480] ? init_wait_entry+0xe0/0xe0
[ 42.655654][ T480] ? cgroup_kn_lock_live+0x1af/0x370
[ 42.660920][ T480] cgroup_subtree_control_write+0xd05/0x12d0
[ 42.666876][ T480] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 42.672837][ T480] cgroup_file_write+0x22f/0x4f0
[ 42.677750][ T480] kernfs_fop_write_iter+0x2cd/0x410
[ 42.683022][ T480] ? cgroup_seqfile_stop+0xc0/0xc0
[ 42.688116][ T480] vfs_write+0xb57/0xe50
[ 42.692335][ T480] ksys_write+0x157/0x260
[ 42.696635][ T480] __x64_sys_write+0x7b/0x90
[ 42.701199][ T480] do_syscall_64+0x34/0x70
[ 42.705606][ T480] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 42.711474][ T480] RIP: 0033:0x7f499fc5c0e9
[ 42.715888][ T480] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 42.735489][ T480] RSP: 002b:00007f499fbd2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 42.743886][ T480] RAX: ffffffffffffffda RBX: 00007f499fd6ef60 RCX: 00007f499fc5c0e9
[ 42.751848][ T480] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 42.759803][ T480] RBP: 00007f499fbd21d0 R08: 0000000000000000 R09: 0000000000000000
[ 42.767749][ T480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 42.775701][ T480] R13: 00007fffd52c57bf R14: 00007f499fbd2300 R15: 0000000000022000
[ 42.784055][ T480] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 42.791233][ T480] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 42.809927][ C0] !!!!! css_killed_ref_fn css ffff88810ce3f800 !!!
[ 42.816481][ C0] !!!!! css_killed_ref_fn css ffff88810ce3c400 !!!
[ 42.823070][ C0] !!!!! css_killed_ref_fn css ffff88810ce3cc00 !!!
[ 42.829644][ T50] !!!!! css_release css ffff88810ce3f800 !!!
[ 42.835659][ T50] !!!!! css_release css ffff88810ce3c400 !!!
[ 42.841991][ T50] !!!!! css_release css ffff88810ce3cc00 !!!
[ 42.847984][ T487] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 42.848006][ T475] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 42.854773][ T470] FAULT_INJECTION: forcing a failure.
[ 42.854773][ T470] name failslab, interval 1, probability 0, space 0, times 0
[ 42.873630][ T470] CPU: 0 PID: 470 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 42.883763][ T470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 42.893792][ T470] Call Trace:
[ 42.897072][ T470] dump_stack+0x19c/0x1e2
[ 42.901390][ T470] should_fail+0x3f7/0x5b0
[ 42.905808][ T470] __should_failslab+0xd2/0x130
[ 42.910649][ T470] should_failslab+0x9/0x20
[ 42.915130][ T470] slab_pre_alloc_hook+0x25/0xe0
[ 42.920055][ T470] ? __kernfs_new_node+0x4c/0x6d0
[ 42.925054][ T470] __kmalloc_track_caller+0x70/0x300
[ 42.930317][ T470] ? __kernfs_new_node+0x4c/0x6d0
[ 42.935317][ T470] kstrdup_const+0x55/0x90
[ 42.939705][ T470] __kernfs_new_node+0x4c/0x6d0
[ 42.944548][ T470] ? string+0x29f/0x2b0
[ 42.948763][ T470] ? vsnprintf+0x1a6c/0x1b30
[ 42.953327][ T470] kernfs_new_node+0x97/0x170
[ 42.958061][ T470] __kernfs_create_file+0x4a/0x270
[ 42.963407][ T470] cgroup_addrm_files+0x99e/0xeb0
[ 42.968425][ T470] ? delete_node+0x747/0x7a0
[ 42.973015][ T470] css_populate_dir+0x137/0x370
[ 42.977851][ T470] cgroup_apply_control_enable+0x5cd/0xf70
[ 42.983639][ T470] cgroup_apply_control+0x36/0x710
[ 42.988730][ T470] ? init_wait_entry+0xe0/0xe0
[ 42.993464][ T470] ? cgroup_kn_lock_live+0x1af/0x370
[ 42.998723][ T470] cgroup_subtree_control_write+0xd05/0x12d0
[ 43.004684][ T470] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 43.010676][ T470] cgroup_file_write+0x22f/0x4f0
[ 43.015591][ T470] kernfs_fop_write_iter+0x2cd/0x410
[ 43.020849][ T470] ? cgroup_seqfile_stop+0xc0/0xc0
[ 43.025936][ T470] vfs_write+0xb57/0xe50
[ 43.030345][ T470] ksys_write+0x157/0x260
[ 43.034670][ T470] __x64_sys_write+0x7b/0x90
[ 43.039240][ T470] do_syscall_64+0x34/0x70
[ 43.043648][ T470] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 43.049514][ T470] RIP: 0033:0x7faede8f60e9
[ 43.053904][ T470] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 43.073578][ T470] RSP: 002b:00007faede84b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 43.081975][ T470] RAX: ffffffffffffffda RBX: 00007faedea09030 RCX: 00007faede8f60e9
[ 43.090041][ T470] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 43.097988][ T470] RBP: 00007faede84b1d0 R08: 0000000000000000 R09: 0000000000000000
[ 43.105940][ T470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 43.113892][ T470] R13: 00007ffcf159dfef R14: 00007faede84b300 R15: 0000000000022000
[ 43.122868][ T470] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 43.130237][ T470] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 43.149225][ C0] !!!!! css_killed_ref_fn css ffff88810dca3000 !!!
[ 43.155764][ C0] !!!!! css_killed_ref_fn css ffff88810dca2400 !!!
[ 43.162383][ C0] !!!!! css_killed_ref_fn css ffff88810dca1400 !!!
[ 43.169184][ T50] !!!!! css_release css ffff88810dca3000 !!!
[ 43.175193][ T50] !!!!! css_release css ffff88810dca2400 !!!
[ 43.181362][ T50] !!!!! css_release css ffff88810dca1400 !!!
[ 43.187471][ T485] FAULT_INJECTION: forcing a failure.
[ 43.187471][ T485] name failslab, interval 1, probability 0, space 0, times 0
[ 43.200322][ T485] CPU: 1 PID: 485 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 43.210443][ T485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 43.220471][ T485] Call Trace:
[ 43.223824][ T485] dump_stack+0x19c/0x1e2
[ 43.228137][ T485] should_fail+0x3f7/0x5b0
[ 43.232547][ T485] __should_failslab+0xd2/0x130
[ 43.237396][ T485] should_failslab+0x9/0x20
[ 43.242226][ T485] slab_pre_alloc_hook+0x25/0xe0
[ 43.247142][ T485] ? __kernfs_new_node+0x4c/0x6d0
[ 43.252148][ T485] __kmalloc_track_caller+0x70/0x300
[ 43.257406][ T485] ? __kernfs_new_node+0x4c/0x6d0
[ 43.262426][ T485] kstrdup_const+0x55/0x90
[ 43.266828][ T485] __kernfs_new_node+0x4c/0x6d0
[ 43.271662][ T485] ? string+0x29f/0x2b0
[ 43.275796][ T485] ? vsnprintf+0x1a6c/0x1b30
[ 43.280375][ T485] kernfs_new_node+0x97/0x170
[ 43.285037][ T485] __kernfs_create_file+0x4a/0x270
[ 43.290129][ T485] cgroup_addrm_files+0x99e/0xeb0
[ 43.295129][ T485] ? delete_node+0x747/0x7a0
[ 43.299692][ T485] css_populate_dir+0x137/0x370
[ 43.304521][ T485] cgroup_apply_control_enable+0x5cd/0xf70
[ 43.310299][ T485] cgroup_apply_control+0x36/0x710
[ 43.315469][ T485] ? init_wait_entry+0xe0/0xe0
[ 43.320207][ T485] ? cgroup_kn_lock_live+0x1af/0x370
[ 43.325563][ T485] cgroup_subtree_control_write+0xd05/0x12d0
[ 43.331708][ T485] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 43.337670][ T485] cgroup_file_write+0x22f/0x4f0
[ 43.342776][ T485] kernfs_fop_write_iter+0x2cd/0x410
[ 43.348066][ T485] ? cgroup_seqfile_stop+0xc0/0xc0
[ 43.353214][ T485] vfs_write+0xb57/0xe50
[ 43.357978][ T485] ksys_write+0x157/0x260
[ 43.362557][ T485] __x64_sys_write+0x7b/0x90
[ 43.367150][ T485] do_syscall_64+0x34/0x70
[ 43.371549][ T485] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 43.377420][ T485] RIP: 0033:0x7fbd869e10e9
[ 43.381904][ T485] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 43.401842][ T485] RSP: 002b:00007fbd86957168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 43.410356][ T485] RAX: ffffffffffffffda RBX: 00007fbd86af3f60 RCX: 00007fbd869e10e9
[ 43.418421][ T485] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 43.426413][ T485] RBP: 00007fbd869571d0 R08: 0000000000000000 R09: 0000000000000000
[ 43.434359][ T485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 43.442304][ T485] R13: 00007ffc2d31856f R14: 00007fbd86957300 R15: 0000000000022000
[ 43.451970][ T485] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 43.459184][ T485] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 43.467497][ T410] ------------[ cut here ]------------
[ 43.473014][ T410] WARNING: CPU: 0 PID: 410 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 43.482582][ T410] Modules linked in:
[ 43.486475][ T410] CPU: 0 PID: 410 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 43.496659][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 43.506752][ T410] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 43.512406][ T410] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 43.532035][ T410] RSP: 0018:ffffc90000ed7d58 EFLAGS: 00010293
[ 43.538193][ T410] RAX: ffffffff81af1a0c RBX: ffff88810d52c6e0 RCX: ffff888105261e80
[ 43.546372][ T410] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 43.554393][ T410] RBP: ffffc90000ed7dc8 R08: ffffffff81af1737 R09: fffff520001dafa3
[ 43.562388][ T410] R10: fffff520001dafa3 R11: 1ffff920001dafa2 R12: dffffc0000000000
[ 43.570391][ T410] R13: ffff88810d52c600 R14: 00000000ffffffff R15: 0000000000000000
[ 43.578351][ T410] FS: 0000555556ffa400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 43.587435][ T410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.594057][ T410] CR2: 00007ffc2d316f88 CR3: 000000010920c000 CR4: 00000000003506b0
[ 43.602067][ T410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 43.610069][ T410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 43.618142][ T410] Call Trace:
[ 43.621482][ T410] ? init_wait_entry+0xe0/0xe0
[ 43.626243][ T410] ? up_write+0x68/0x140
[ 43.630506][ T410] namespace_unlock+0x377/0x420
[ 43.635359][ T410] path_umount+0xe23/0xed0
[ 43.639798][ T410] __x64_sys_umount+0xe8/0x110
[ 43.644562][ T410] do_syscall_64+0x34/0x70
[ 43.648975][ T410] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 43.654885][ T410] RIP: 0033:0x7fbd869e2557
[ 43.659312][ T410] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 43.678950][ T410] RSP: 002b:00007ffc2d3176c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 43.687381][ T410] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbd869e2557
[ 43.695366][ T410] RDX: 00007ffc2d317799 RSI: 000000000000000a RDI: 00007ffc2d317790
[ 43.703347][ T410] RBP: 00007ffc2d317790 R08: 00000000ffffffff R09: 00007ffc2d317560
[ 43.711357][ T410] R10: 0000555556ffbba3 R11: 0000000000000246 R12: 00007fbd86a3a1f8
[ 43.719339][ T410] R13: 00007ffc2d318850 R14: 0000555556ffbb00 R15: 00007ffc2d318890
[ 43.727402][ T410] ---[ end trace 84e0bdab5464fe1c ]---
[ 43.733635][ T410] ------------[ cut here ]------------
[ 43.734023][ C0] !!!!! css_killed_ref_fn css ffff88810dd2d800 !!!
[ 43.739217][ T410] WARNING: CPU: 1 PID: 410 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 43.745619][ C0] !!!!! css_killed_ref_fn css ffff88810dd2f000 !!!
[ 43.754530][ T410] Modules linked in:
[ 43.761017][ C0] ------------[ cut here ]------------
[ 43.761038][ C0] percpu ref (css_release) <= 0 (-1) after switching to atomic
[ 43.764914][ T410] CPU: 1 PID: 410 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 43.770608][ C0] WARNING: CPU: 0 PID: 12 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x521/0x5e0
[ 43.778040][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 43.789557][ C0] Modules linked in:
[ 43.800222][ T410] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 43.810244][ C0]
[ 43.810261][ C0] CPU: 0 PID: 12 Comm: ksoftirqd/0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 43.814125][ T410] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 43.819846][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 43.822422][ T410] RSP: 0018:ffffc90000ed7dd0 EFLAGS: 00010293
[ 43.833599][ C0] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x521/0x5e0
[ 43.853175][ T410]
[ 43.863223][ C0] Code: 00 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ff e8 33 6c 64 ff 49 8b 17 48 c7 c7 60 d0 02 85 48 89 de 31 c0 e8 bf b6 01 ff <0f> 0b e9 2d fd ff ff e8 b3 d5 2c ff 0f 0b e9 87 fe ff ff 48 c7 c1
[ 43.869292][ T410] RAX: ffffffff81af1a0c RBX: ffff88810d52c6e0 RCX: ffff888105261e80
[ 43.876205][ C0] RSP: 0018:ffffc900000c7bb0 EFLAGS: 00010246
[ 43.878514][ T410] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 43.898196][ C0]
[ 43.906161][ T410] RBP: ffffc90000ed7e40 R08: ffffffff81af1737 R09: fffff520001dafb2
[ 43.912220][ C0] RAX: f5698c05143ce700 RBX: ffffffff81610270 RCX: ffff888100232dc0
[ 43.920262][ T410] R10: fffff520001dafb2 R11: 1ffff920001dafb1 R12: dffffc0000000000
[ 43.922570][ C0] RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
[ 43.930529][ T410] R13: ffff88810d52c600 R14: 00000000fffffffe R15: 0000000000000000
[ 43.938924][ C0] RBP: ffffc900000c7bf8 R08: ffffffff81514558 R09: fffff52000018f18
[ 43.946882][ T410] FS: 0000555556ffa400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 43.954828][ C0] R10: fffff52000018f18 R11: 1ffff92000018f17 R12: ffff88810cb22a20
[ 43.954842][ C0] R13: 0000000000000008 R14: 1ffff11021964540 R15: ffff88810cb22a00
[ 43.962798][ T410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.962811][ T410] CR2: 00007faedea09028 CR3: 000000010920c000 CR4: 00000000003506a0
[ 43.970856][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 43.979765][ T410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 43.987711][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.995668][ T410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 44.002227][ C0] CR2: 00007ffc2d316f88 CR3: 000000010920c000 CR4: 00000000003506b0
[ 44.002239][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 44.010185][ T410] Call Trace:
[ 44.010206][ T410] path_umount+0x1ad/0xed0
[ 44.019284][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 44.027231][ T410] __x64_sys_umount+0xe8/0x110
[ 44.033881][ C0] Call Trace:
[ 44.041867][ T410] do_syscall_64+0x34/0x70
[ 44.049826][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10
[ 44.057768][ T410] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 44.061123][ C0] rcu_do_batch+0x4ad/0xb00
[ 44.065504][ T410] RIP: 0033:0x7fbd869e2557
[ 44.073549][ C0] ? sched_clock+0x3a/0x50
[ 44.078281][ T410] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 44.081551][ C0] rcu_core+0x64a/0xdf0
[ 44.085934][ T410] RSP: 002b:00007ffc2d3176c8 EFLAGS: 00000246
[ 44.091985][ C0] ? sched_clock_cpu+0x1b/0x3e0
[ 44.097842][ T410] ORIG_RAX: 00000000000000a6
[ 44.102341][ C0] rcu_core_si+0x9/0x10
[ 44.106721][ T410] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbd869e2557
[ 44.111130][ C0] __do_softirq+0x253/0x67b
[ 44.130714][ T410] RDX: 00007ffc2d317799 RSI: 000000000000000a RDI: 00007ffc2d317790
[ 44.134845][ C0] ? ksoftirqd_should_run+0x20/0x20
[ 44.140997][ T410] RBP: 00007ffc2d317790 R08: 00000000ffffffff R09: 00007ffc2d317560
[ 44.145831][ C0] run_ksoftirqd+0x23/0x30
[ 44.150660][ T410] R10: 0000555556ffbba3 R11: 0000000000000246 R12: 00007fbd86a3a1f8
[ 44.154788][ C0] smpboot_thread_fn+0x4c8/0x8b0
[ 44.162740][ T410] R13: 00007ffc2d318850 R14: 0000555556ffbb00 R15: 00007ffc2d318890
[ 44.167235][ C0] kthread+0x365/0x400
[ 44.175192][ T410] ---[ end trace 84e0bdab5464fe1d ]---
[ 44.180376][ C0] ? cpu_report_death+0x1a0/0x1a0
[ 44.191176][ T23] audit: type=1400 audit(1654106020.379:159): avc: denied { remove_name } for pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 44.192739][ C0] ? kthread_blkcg+0xd0/0xd0
[ 44.202883][ T23] audit: type=1400 audit(1654106020.379:160): avc: denied { rename } for pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 44.205745][ C0] ret_from_fork+0x1f/0x30
[ 44.205753][ C0] ---[ end trace 84e0bdab5464fe1e ]---
[ 44.205766][ C0] !!!!! css_killed_ref_fn css ffff88810dd2e400 !!!
[ 44.214030][ T23] audit: type=1400 audit(1654106020.379:161): avc: denied { create } for pid=141 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 44.217882][ T5] !!!!! css_release css ffff88810dd2d800 !!!
[ 44.320718][ T50] !!!!! css_release css ffff88810dd2f000 !!!
[ 44.329445][ T483] FAULT_INJECTION: forcing a failure.
[ 44.329445][ T483] name failslab, interval 1, probability 0, space 0, times 0
[ 44.342083][ T483] CPU: 1 PID: 483 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 44.353591][ T483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 44.363618][ T483] Call Trace:
[ 44.367073][ T483] dump_stack+0x19c/0x1e2
[ 44.371378][ T483] should_fail+0x3f7/0x5b0
[ 44.375772][ T483] __should_failslab+0xd2/0x130
[ 44.380594][ T483] ? radix_tree_node_alloc+0x194/0x3d0
[ 44.386022][ T483] should_failslab+0x9/0x20
[ 44.390506][ T483] slab_pre_alloc_hook+0x25/0xe0
[ 44.395428][ T483] ? radix_tree_node_alloc+0x194/0x3d0
[ 44.400911][ T483] kmem_cache_alloc+0x40/0x2a0
[ 44.405654][ T483] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 44.411841][ T483] radix_tree_node_alloc+0x194/0x3d0
[ 44.417122][ T483] idr_get_free+0x31b/0xb80
[ 44.421703][ T483] idr_alloc_cyclic+0x189/0x540
[ 44.426529][ T483] __kernfs_new_node+0xeb/0x6d0
[ 44.431360][ T483] ? vsnprintf+0x1a6c/0x1b30
[ 44.435929][ T483] kernfs_new_node+0x97/0x170
[ 44.440574][ T483] __kernfs_create_file+0x4a/0x270
[ 44.445656][ T483] cgroup_addrm_files+0x99e/0xeb0
[ 44.450652][ T483] css_populate_dir+0x137/0x370
[ 44.455471][ T483] cgroup_apply_control_enable+0x5cd/0xf70
[ 44.461263][ T483] cgroup_apply_control+0x36/0x710
[ 44.466349][ T483] ? init_wait_entry+0xe0/0xe0
[ 44.471088][ T483] ? cgroup_kn_lock_live+0x1af/0x370
[ 44.476346][ T483] cgroup_subtree_control_write+0xd05/0x12d0
[ 44.482297][ T483] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 44.488253][ T483] cgroup_file_write+0x22f/0x4f0
[ 44.493257][ T483] kernfs_fop_write_iter+0x2cd/0x410
[ 44.498516][ T483] ? cgroup_seqfile_stop+0xc0/0xc0
[ 44.503612][ T483] vfs_write+0xb57/0xe50
[ 44.507843][ T483] ksys_write+0x157/0x260
[ 44.512185][ T483] __x64_sys_write+0x7b/0x90
[ 44.516808][ T483] do_syscall_64+0x34/0x70
[ 44.521197][ T483] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 44.527075][ T483] RIP: 0033:0x7f9216a470e9
[ 44.531464][ T483] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 44.551041][ T483] RSP: 002b:00007f921699c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 44.559427][ T483] RAX: ffffffffffffffda RBX: 00007f9216b5a030 RCX: 00007f9216a470e9
[ 44.567459][ T483] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 44.575423][ T483] RBP: 00007f921699c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 44.583379][ T483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 44.591325][ T483] R13: 00007ffdf497e50f R14: 00007f921699c300 R15: 0000000000022000
[ 44.600409][ T483] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 44.608889][ T495] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 44.629302][ C0] !!!!! css_killed_ref_fn css ffff88810de50400 !!!
[ 44.635846][ T377] !!!!! css_release css ffff88810de50400 !!!
[ 44.641857][ C0] !!!!! css_killed_ref_fn css ffff88810de53800 !!!
[ 44.648360][ C0] !!!!! css_killed_ref_fn css ffff88810de53c00 !!!
[ 44.654863][ C0] !!!!! css_killed_ref_fn css ffff88810de53400 !!!
[ 44.661367][ C0] !!!!! css_killed_ref_fn css ffff88810de51800 !!!
[ 44.667871][ C0] !!!!! css_killed_ref_fn css ffff88810de53000 !!!
[ 44.674807][ T377] !!!!! css_release css ffff88810de53800 !!!
[ 44.681090][ T377] !!!!! css_release css ffff88810de53c00 !!!
[ 44.687117][ T377] !!!!! css_release css ffff88810de53400 !!!
[ 44.693273][ T377] !!!!! css_release css ffff88810de51800 !!!
[ 44.699274][ T377] !!!!! css_release css ffff88810de53000 !!!
[ 44.705380][ T478] FAULT_INJECTION: forcing a failure.
[ 44.705380][ T478] name failslab, interval 1, probability 0, space 0, times 0
[ 44.718020][ T478] CPU: 1 PID: 478 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 44.729528][ T478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 44.739557][ T478] Call Trace:
[ 44.742826][ T478] dump_stack+0x19c/0x1e2
[ 44.747146][ T478] should_fail+0x3f7/0x5b0
[ 44.751548][ T478] __should_failslab+0xd2/0x130
[ 44.756480][ T478] should_failslab+0x9/0x20
[ 44.760962][ T478] slab_pre_alloc_hook+0x25/0xe0
[ 44.765965][ T478] ? __kernfs_new_node+0x4c/0x6d0
[ 44.770964][ T478] __kmalloc_track_caller+0x70/0x300
[ 44.776315][ T478] ? __kernfs_new_node+0x4c/0x6d0
[ 44.781413][ T478] kstrdup_const+0x55/0x90
[ 44.785817][ T478] __kernfs_new_node+0x4c/0x6d0
[ 44.790642][ T478] ? string+0x29f/0x2b0
[ 44.794775][ T478] ? vsnprintf+0x1a6c/0x1b30
[ 44.799625][ T478] kernfs_new_node+0x97/0x170
[ 44.804276][ T478] __kernfs_create_file+0x4a/0x270
[ 44.809475][ T478] cgroup_addrm_files+0x99e/0xeb0
[ 44.814475][ T478] ? delete_node+0x747/0x7a0
[ 44.819048][ T478] css_populate_dir+0x137/0x370
[ 44.823876][ T478] cgroup_apply_control_enable+0x5cd/0xf70
[ 44.829684][ T478] cgroup_apply_control+0x36/0x710
[ 44.834794][ T478] ? init_wait_entry+0xe0/0xe0
[ 44.839545][ T478] ? cgroup_kn_lock_live+0x1af/0x370
[ 44.844810][ T478] cgroup_subtree_control_write+0xd05/0x12d0
[ 44.850770][ T478] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 44.856727][ T478] cgroup_file_write+0x22f/0x4f0
[ 44.861660][ T478] kernfs_fop_write_iter+0x2cd/0x410
[ 44.866928][ T478] ? cgroup_seqfile_stop+0xc0/0xc0
[ 44.872018][ T478] vfs_write+0xb57/0xe50
[ 44.876262][ T478] ksys_write+0x157/0x260
[ 44.880567][ T478] __x64_sys_write+0x7b/0x90
[ 44.885174][ T478] do_syscall_64+0x34/0x70
[ 44.889575][ T478] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 44.895533][ T478] RIP: 0033:0x7fb7f2ddf0e9
[ 44.899949][ T478] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 44.919712][ T478] RSP: 002b:00007fb7f2d55168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 44.928108][ T478] RAX: ffffffffffffffda RBX: 00007fb7f2ef1f60 RCX: 00007fb7f2ddf0e9
[ 44.936076][ T478] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 44.944148][ T478] RBP: 00007fb7f2d551d0 R08: 0000000000000000 R09: 0000000000000000
[ 44.952246][ T478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 44.960215][ T478] R13: 00007fffc859aa1f R14: 00007fb7f2d55300 R15: 0000000000022000
[ 44.968331][ T478] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 44.975695][ T478] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 44.983282][ T412] ------------[ cut here ]------------
[ 44.988867][ T412] WARNING: CPU: 0 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 44.997852][ T412] Modules linked in:
[ 45.001756][ T412] CPU: 0 PID: 412 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 45.013308][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 45.023388][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 45.029023][ T412] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 45.048674][ T412] RSP: 0018:ffffc90000ef7dd0 EFLAGS: 00010293
[ 45.054764][ T412] RAX: ffffffff81af1a0c RBX: ffff88810d52d8e0 RCX: ffff8881025d0f40
[ 45.062833][ T412] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 45.070809][ T412] RBP: ffffc90000ef7e40 R08: ffffffff81af1737 R09: fffff520001defb2
[ 45.078768][ T412] R10: fffff520001defb2 R11: 1ffff920001defb1 R12: dffffc0000000000
[ 45.086772][ T412] R13: ffff88810d52d800 R14: 00000000ffffffff R15: 0000000000000000
[ 45.094764][ T412] FS: 0000555556934400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 45.103765][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 45.110380][ T412] CR2: 00007fffc8599b9c CR3: 0000000109304000 CR4: 00000000003506b0
[ 45.118341][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 45.126332][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 45.134326][ T412] Call Trace:
[ 45.137700][ T412] path_umount+0x1ad/0xed0
[ 45.142257][ T412] __x64_sys_umount+0xe8/0x110
[ 45.147016][ T412] do_syscall_64+0x34/0x70
[ 45.151482][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 45.157370][ T412] RIP: 0033:0x7fb7f2de0557
[ 45.161798][ T412] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 45.181616][ T412] RSP: 002b:00007fffc8599b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 45.190047][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb7f2de0557
[ 45.198010][ T412] RDX: 00007fffc8599c49 RSI: 000000000000000a RDI: 00007fffc8599c40
[ 45.205998][ T412] RBP: 00007fffc8599c40 R08: 00000000ffffffff R09: 00007fffc8599a10
[ 45.214122][ T412] R10: 0000555556935ba3 R11: 0000000000000246 R12: 00007fb7f2e381f8
[ 45.222148][ T412] R13: 00007fffc859ad00 R14: 0000555556935b00 R15: 00007fffc859ad40
[ 45.230519][ T412] ---[ end trace 84e0bdab5464fe1f ]---
[ 45.236275][ T412] ------------[ cut here ]------------
[ 45.241961][ C1] !!!!! css_killed_ref_fn css ffff88810cea5000 !!!
[ 45.241988][ C1] !!!!! css_killed_ref_fn css ffff88810cea5c00 !!!
[ 45.241994][ C1] !!!!! css_killed_ref_fn css ffff88810d77e800 !!!
[ 45.261676][ T373] !!!!! css_release css ffff88810cea5000 !!!
[ 45.261716][ T412] WARNING: CPU: 0 PID: 412 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510
[ 45.268705][ T373] !!!!! css_release css ffff88810cea5c00 !!!
[ 45.277396][ T412] Modules linked in:
[ 45.283187][ T497] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 45.287015][ T412] CPU: 0 PID: 412 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 45.293663][ T498] FAULT_INJECTION: forcing a failure.
[ 45.293663][ T498] name failslab, interval 1, probability 0, space 0, times 0
[ 45.305708][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 45.317988][ T498] CPU: 1 PID: 498 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 45.328242][ T412] RIP: 0010:cleanup_mnt+0x4c5/0x510
[ 45.339517][ T498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 45.339520][ T498] Call Trace:
[ 45.339533][ T498] dump_stack+0x19c/0x1e2
[ 45.339544][ T498] should_fail+0x3f7/0x5b0
[ 45.339553][ T498] __should_failslab+0xd2/0x130
[ 45.339561][ T498] should_failslab+0x9/0x20
[ 45.339576][ T498] slab_pre_alloc_hook+0x25/0xe0
[ 45.345286][ T412] Code: b3 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e e6 b8 ff 48 8b 7d d0 e8 15 c9 04 00 e9 21 fd ff ff e8 1b e6 b8 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 e0 1f 86 80 e1 07 80 c1 03 38 c1
[ 45.354952][ T498] kmem_cache_alloc_trace+0x47/0x2b0
[ 45.354962][ T498] ? percpu_ref_init+0xd0/0x330
[ 45.354971][ T498] percpu_ref_init+0xd0/0x330
[ 45.354980][ T498] ? cgroup_setup_root+0x8a0/0x8a0
[ 45.354995][ T498] cgroup_apply_control_enable+0x3d2/0xf70
[ 45.358578][ T412] RSP: 0018:ffffc90000ef7e30 EFLAGS: 00010293
[ 45.362554][ T498] cgroup_apply_control+0x36/0x710
[ 45.362563][ T498] ? init_wait_entry+0xe0/0xe0
[ 45.362573][ T498] ? cgroup_kn_lock_live+0x1af/0x370
[ 45.362590][ T498] cgroup_subtree_control_write+0xd05/0x12d0
[ 45.367312][ T412]
[ 45.371799][ T498] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 45.371808][ T498] cgroup_file_write+0x22f/0x4f0
[ 45.371818][ T498] kernfs_fop_write_iter+0x2cd/0x410
[ 45.371833][ T498] ? cgroup_seqfile_stop+0xc0/0xc0
[ 45.376583][ T412] RAX: ffffffff81b024d5 RBX: ffffe8ffffd425f4 RCX: ffff8881025d0f40
[ 45.381220][ T498] vfs_write+0xb57/0xe50
[ 45.381231][ T498] ksys_write+0x157/0x260
[ 45.381240][ T498] __x64_sys_write+0x7b/0x90
[ 45.381256][ T498] do_syscall_64+0x34/0x70
[ 45.401374][ T412] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 45.406355][ T498] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 45.406365][ T498] RIP: 0033:0x7f9216a470e9
[ 45.406375][ T498] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 45.406390][ T498] RSP: 002b:00007f921699c168 EFLAGS: 00000246
[ 45.412841][ T412] RBP: ffffc90000ef7e80 R08: ffffffff81b021b3 R09: fffff520001defcd
[ 45.417342][ T498] ORIG_RAX: 0000000000000001
[ 45.417351][ T498] RAX: ffffffffffffffda RBX: 00007f9216b5a030 RCX: 00007f9216a470e9
[ 45.417357][ T498] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 45.417363][ T498] RBP: 00007f921699c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 45.417376][ T498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 45.422840][ T412] R10: fffff520001defcd R11: 1ffff920001defcc R12: ffff88810d52d848
[ 45.428234][ T498] R13: 00007ffdf497e50f R14: 00007f921699c300 R15: 0000000000022000
[ 45.428881][ T498] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 45.435359][ T412] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff
[ 45.627048][ T412] FS: 0000555556934400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 45.636024][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 45.639053][ C1] !!!!! css_killed_ref_fn css ffff88810e233400 !!!
[ 45.642891][ T412] CR2: 00007fffc8599b9c CR3: 0000000109304000 CR4: 00000000003506b0
[ 45.649472][ C1] !!!!! css_killed_ref_fn css ffff88810e231800 !!!
[ 45.657504][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 45.664159][ T378] !!!!! css_release css ffff88810e233400 !!!
[ 45.672562][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 45.678402][ T378] !!!!! css_release css ffff88810e231800 !!!
[ 45.686554][ T412] Call Trace:
[ 45.693225][ T476] FAULT_INJECTION: forcing a failure.
[ 45.693225][ T476] name failslab, interval 1, probability 0, space 0, times 0
[ 45.695646][ T412] __cleanup_mnt+0x19/0x20
[ 45.695662][ T412] task_work_run+0x147/0x1b0
[ 45.708876][ T476] CPU: 1 PID: 476 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 45.713173][ T412] exit_to_user_mode_loop+0xc8/0xe0
[ 45.717474][ T476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 45.717478][ T476] Call Trace:
[ 45.717490][ T476] dump_stack+0x19c/0x1e2
[ 45.717508][ T476] should_fail+0x3f7/0x5b0
[ 45.729253][ T412] syscall_exit_to_user_mode+0x77/0xa0
[ 45.734287][ T476] __should_failslab+0xd2/0x130
[ 45.734296][ T476] should_failslab+0x9/0x20
[ 45.734312][ T476] slab_pre_alloc_hook+0x25/0xe0
[ 45.744594][ T412] do_syscall_64+0x40/0x70
[ 45.747699][ T476] ? __kernfs_new_node+0x4c/0x6d0
[ 45.747708][ T476] __kmalloc_track_caller+0x70/0x300
[ 45.747722][ T476] ? __kernfs_new_node+0x4c/0x6d0
[ 45.752172][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 45.756507][ T476] kstrdup_const+0x55/0x90
[ 45.756516][ T476] __kernfs_new_node+0x4c/0x6d0
[ 45.756530][ T476] ? string+0x29f/0x2b0
[ 45.762110][ T412] RIP: 0033:0x7fb7f2de0557
[ 45.766873][ T476] ? vsnprintf+0x1a6c/0x1b30
[ 45.766885][ T476] kernfs_new_node+0x97/0x170
[ 45.766899][ T476] __kernfs_create_file+0x4a/0x270
[ 45.771695][ T412] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 45.776549][ T476] cgroup_addrm_files+0x99e/0xeb0
[ 45.776560][ T476] ? delete_node+0x747/0x7a0
[ 45.776576][ T476] css_populate_dir+0x137/0x370
[ 45.781008][ T412] RSP: 002b:00007fffc8599b78 EFLAGS: 00000246
[ 45.785951][ T476] cgroup_apply_control_enable+0x5cd/0xf70
[ 45.785962][ T476] cgroup_apply_control+0x36/0x710
[ 45.785976][ T476] ? init_wait_entry+0xe0/0xe0
[ 45.791280][ T412] ORIG_RAX: 00000000000000a6
[ 45.796231][ T476] ? cgroup_kn_lock_live+0x1af/0x370
[ 45.796243][ T476] cgroup_subtree_control_write+0xd05/0x12d0
[ 45.796259][ T476] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 45.802184][ T412] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb7f2de0557
[ 45.806606][ T476] cgroup_file_write+0x22f/0x4f0
[ 45.806616][ T476] kernfs_fop_write_iter+0x2cd/0x410
[ 45.806631][ T476] ? cgroup_seqfile_stop+0xc0/0xc0
[ 45.811699][ T412] RDX: 00007fffc8599c49 RSI: 000000000000000a RDI: 00007fffc8599c40
[ 45.815893][ T476] vfs_write+0xb57/0xe50
[ 45.815904][ T476] ksys_write+0x157/0x260
[ 45.815918][ T476] __x64_sys_write+0x7b/0x90
[ 45.820354][ T412] RBP: 00007fffc8599c40 R08: 00000000ffffffff R09: 00007fffc8599a10
[ 45.824890][ T476] do_syscall_64+0x34/0x70
[ 45.824900][ T476] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 45.824914][ T476] RIP: 0033:0x7f9295a4b0e9
[ 45.829603][ T412] R10: 0000555556935ba3 R11: 0000000000000246 R12: 00007fb7f2e381f8
[ 45.834644][ T476] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 45.834650][ T476] RSP: 002b:00007f92959a0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 45.834669][ T476] RAX: ffffffffffffffda RBX: 00007f9295b5e030 RCX: 00007f9295a4b0e9
[ 45.854580][ T412] R13: 00007fffc859ad00 R14: 0000555556935b00 R15: 00007fffc859ad40
[ 45.859513][ T476] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 45.859520][ T476] RBP: 00007f92959a01d0 R08: 0000000000000000 R09: 0000000000000000
[ 45.859526][ T476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 45.859532][ T476] R13: 00007ffea8f54faf R14: 00007f92959a0300 R15: 0000000000022000
[ 45.861815][ T476] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 45.864170][ T412] ---[ end trace 84e0bdab5464fe20 ]---
[ 45.869315][ T476] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 46.085384][ T414] ------------[ cut here ]------------
[ 46.090923][ T414] WARNING: CPU: 0 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 46.100041][ T414] Modules linked in:
[ 46.104075][ T414] CPU: 0 PID: 414 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 46.115803][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 46.126990][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 46.132643][ T414] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 46.153080][ T414] RSP: 0018:ffffc90000f17dd0 EFLAGS: 00010293
[ 46.159172][ T414] RAX: ffffffff81af1a0c RBX: ffff88810d52c9e0 RCX: ffff8881025d2dc0
[ 46.167225][ T414] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 46.175386][ T414] RBP: ffffc90000f17e40 R08: ffffffff81af1737 R09: fffff520001e2fb2
[ 46.183470][ T414] R10: fffff520001e2fb2 R11: 1ffff920001e2fb1 R12: dffffc0000000000
[ 46.191918][ T414] R13: ffff88810d52c900 R14: 00000000ffffffff R15: 0000000000000000
[ 46.200184][ T414] FS: 0000555555e34400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 46.209121][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 46.215805][ T414] CR2: 00007ffea8f53ff8 CR3: 000000010935e000 CR4: 00000000003506b0
[ 46.223801][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 46.232066][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 46.240719][ T414] Call Trace:
[ 46.244012][ T414] path_umount+0x1ad/0xed0
[ 46.248500][ T414] __x64_sys_umount+0xe8/0x110
[ 46.253381][ T414] do_syscall_64+0x34/0x70
[ 46.257901][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 46.263979][ T414] RIP: 0033:0x7f9295a4c557
[ 46.268374][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 46.287996][ T414] RSP: 002b:00007ffea8f54108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 46.296434][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9295a4c557
[ 46.304407][ T414] RDX: 00007ffea8f541d9 RSI: 000000000000000a RDI: 00007ffea8f541d0
[ 46.312388][ T414] RBP: 00007ffea8f541d0 R08: 00000000ffffffff R09: 00007ffea8f53fa0
[ 46.320378][ T414] R10: 0000555555e35ba3 R11: 0000000000000246 R12: 00007f9295aa41f8
[ 46.328343][ T414] R13: 00007ffea8f55290 R14: 0000555555e35b00 R15: 00007ffea8f552d0
[ 46.336440][ T414] ---[ end trace 84e0bdab5464fe21 ]---
[ 46.341964][ T414] ------------[ cut here ]------------
[ 46.347507][ T414] WARNING: CPU: 1 PID: 414 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510
[ 46.356022][ C1] !!!!! css_killed_ref_fn css ffff88810e11a800 !!!
[ 46.356039][ C1] !!!!! css_killed_ref_fn css ffff88810e11bc00 !!!
[ 46.356044][ C1] !!!!! css_killed_ref_fn css ffff88810e11b400 !!!
[ 46.375696][ T19] !!!!! css_release css ffff88810e11a800 !!!
[ 46.375802][ T414] Modules linked in:
[ 46.381777][ T19] !!!!! css_release css ffff88810e11bc00 !!!
[ 46.382010][ T414]
[ 46.385802][ T489] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 46.391814][ T414] CPU: 0 PID: 414 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 46.394195][ T495] FAULT_INJECTION: forcing a failure.
[ 46.394195][ T495] name failslab, interval 1, probability 0, space 0, times 0
[ 46.400465][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 46.412375][ T495] CPU: 1 PID: 495 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 46.425093][ T414] RIP: 0010:cleanup_mnt+0x4c5/0x510
[ 46.434916][ T495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 46.434919][ T495] Call Trace:
[ 46.434931][ T495] dump_stack+0x19c/0x1e2
[ 46.434942][ T495] should_fail+0x3f7/0x5b0
[ 46.434957][ T495] __should_failslab+0xd2/0x130
[ 46.446477][ T414] Code: b3 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e e6 b8 ff 48 8b 7d d0 e8 15 c9 04 00 e9 21 fd ff ff e8 1b e6 b8 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 e0 1f 86 80 e1 07 80 c1 03 38 c1
[ 46.451672][ T495] should_failslab+0x9/0x20
[ 46.451687][ T495] slab_pre_alloc_hook+0x25/0xe0
[ 46.461803][ T414] RSP: 0018:ffffc90000f17e30 EFLAGS: 00010293
[ 46.465059][ T495] ? __kernfs_new_node+0x4c/0x6d0
[ 46.469452][ T414]
[ 46.473839][ T495] __kmalloc_track_caller+0x70/0x300
[ 46.478742][ T414] RAX: ffffffff81b024d5 RBX: ffffe8ffffd425f4 RCX: ffff8881025d2dc0
[ 46.498714][ T495] ? __kernfs_new_node+0x4c/0x6d0
[ 46.498724][ T495] kstrdup_const+0x55/0x90
[ 46.498733][ T495] __kernfs_new_node+0x4c/0x6d0
[ 46.498752][ T495] ? string+0x29f/0x2b0
[ 46.503237][ T414] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 46.508142][ T495] ? vsnprintf+0x1a6c/0x1b30
[ 46.514184][ T414] RBP: ffffc90000f17e80 R08: ffffffff81b021b3 R09: fffff520001e2fcd
[ 46.519166][ T495] kernfs_new_node+0x97/0x170
[ 46.519180][ T495] __kernfs_create_file+0x4a/0x270
[ 46.521489][ T414] R10: fffff520001e2fcd R11: 1ffff920001e2fcc R12: ffff88810d52c948
[ 46.526749][ T495] cgroup_addrm_files+0x99e/0xeb0
[ 46.534695][ T414] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff
[ 46.539686][ T495] ? delete_node+0x747/0x7a0
[ 46.539702][ T495] css_populate_dir+0x137/0x370
[ 46.544085][ T414] FS: 0000555555e34400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 46.548907][ T495] cgroup_apply_control_enable+0x5cd/0xf70
[ 46.553126][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 46.561061][ T495] cgroup_apply_control+0x36/0x710
[ 46.561075][ T495] ? init_wait_entry+0xe0/0xe0
[ 46.565633][ T414] CR2: 00005555564883b8 CR3: 000000010935e000 CR4: 00000000003506b0
[ 46.573586][ T495] ? cgroup_kn_lock_live+0x1af/0x370
[ 46.573603][ T495] cgroup_subtree_control_write+0xd05/0x12d0
[ 46.578344][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 46.583422][ T495] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 46.583437][ T495] cgroup_file_write+0x22f/0x4f0
[ 46.591383][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 46.596385][ T495] kernfs_fop_write_iter+0x2cd/0x410
[ 46.604422][ T414] Call Trace:
[ 46.609013][ T495] ? cgroup_seqfile_stop+0xc0/0xc0
[ 46.613849][ T414] __cleanup_mnt+0x19/0x20
[ 46.622730][ T495] vfs_write+0xb57/0xe50
[ 46.622745][ T495] ksys_write+0x157/0x260
[ 46.628521][ T414] task_work_run+0x147/0x1b0
[ 46.635069][ T495] __x64_sys_write+0x7b/0x90
[ 46.635079][ T495] do_syscall_64+0x34/0x70
[ 46.635094][ T495] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 46.640183][ T414] exit_to_user_mode_loop+0xc8/0xe0
[ 46.644907][ T495] RIP: 0033:0x7fbd869e10e9
[ 46.652859][ T414] syscall_exit_to_user_mode+0x77/0xa0
[ 46.658108][ T495] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 46.664152][ T414] do_syscall_64+0x40/0x70
[ 46.672081][ T495] RSP: 002b:00007fbd86957168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 46.672101][ T495] RAX: ffffffffffffffda RBX: 00007fbd86af3f60 RCX: 00007fbd869e10e9
[ 46.678167][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 46.683087][ T495] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 46.683094][ T495] RBP: 00007fbd869571d0 R08: 0000000000000000 R09: 0000000000000000
[ 46.683106][ T495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 46.691063][ T414] RIP: 0033:0x7f9295a4c557
[ 46.696308][ T495] R13: 00007ffc2d31856f R14: 00007fbd86957300 R15: 0000000000022000
[ 46.699572][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 46.705589][ T495] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 46.710311][ T414] RSP: 002b:00007ffea8f54108 EFLAGS: 00000246
[ 46.716587][ T495] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 46.718195][ T414] ORIG_RAX: 00000000000000a6
[ 46.881149][ T414] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9295a4c557
[ 46.889646][ T414] RDX: 00007ffea8f541d9 RSI: 000000000000000a RDI: 00007ffea8f541d0
[ 46.892954][ C1] !!!!! css_killed_ref_fn css ffff88810e292400 !!!
[ 46.897814][ T414] RBP: 00007ffea8f541d0 R08: 00000000ffffffff R09: 00007ffea8f53fa0
[ 46.897822][ T414] R10: 0000555555e35ba3 R11: 0000000000000246 R12: 00007f9295aa41f8
[ 46.897829][ T414] R13: 00007ffea8f55290 R14: 0000555555e35b00 R15: 00007ffea8f552d0
[ 46.897847][ T414] ---[ end trace 84e0bdab5464fe22 ]---
[ 46.904363][ C1] !!!!! css_killed_ref_fn css ffff88810e291400 !!!
[ 46.904376][ C1] !!!!! css_killed_ref_fn css ffff88810e292000 !!!
[ 46.946899][ T19] !!!!! css_release css ffff88810e292400 !!!
[ 46.953061][ T19] !!!!! css_release css ffff88810e291400 !!!
[ 46.959285][ T503] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 46.959308][ T500] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 46.965928][ T504] FAULT_INJECTION: forcing a failure.
[ 46.965928][ T504] name failslab, interval 1, probability 0, space 0, times 0
[ 46.984893][ T504] CPU: 0 PID: 504 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 46.996413][ T504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 47.006446][ T504] Call Trace:
[ 47.009814][ T504] dump_stack+0x19c/0x1e2
[ 47.014131][ T504] should_fail+0x3f7/0x5b0
[ 47.018532][ T504] __should_failslab+0xd2/0x130
[ 47.023372][ T504] should_failslab+0x9/0x20
[ 47.027849][ T504] slab_pre_alloc_hook+0x25/0xe0
[ 47.032765][ T504] ? __kernfs_new_node+0x4c/0x6d0
[ 47.037782][ T504] __kmalloc_track_caller+0x70/0x300
[ 47.043041][ T504] ? __kernfs_new_node+0x4c/0x6d0
[ 47.048036][ T504] kstrdup_const+0x55/0x90
[ 47.052425][ T504] __kernfs_new_node+0x4c/0x6d0
[ 47.057246][ T504] ? string+0x29f/0x2b0
[ 47.061373][ T504] ? vsnprintf+0x1a6c/0x1b30
[ 47.065938][ T504] kernfs_new_node+0x97/0x170
[ 47.070590][ T504] __kernfs_create_file+0x4a/0x270
[ 47.075693][ T504] cgroup_addrm_files+0x99e/0xeb0
[ 47.080692][ T504] ? delete_node+0x747/0x7a0
[ 47.085271][ T504] css_populate_dir+0x137/0x370
[ 47.090103][ T504] cgroup_apply_control_enable+0x5cd/0xf70
[ 47.095894][ T504] cgroup_apply_control+0x36/0x710
[ 47.100993][ T504] ? init_wait_entry+0xe0/0xe0
[ 47.105734][ T504] ? cgroup_kn_lock_live+0x1af/0x370
[ 47.110994][ T504] cgroup_subtree_control_write+0xd05/0x12d0
[ 47.116958][ T504] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 47.122920][ T504] cgroup_file_write+0x22f/0x4f0
[ 47.127923][ T504] kernfs_fop_write_iter+0x2cd/0x410
[ 47.133181][ T504] ? cgroup_seqfile_stop+0xc0/0xc0
[ 47.138265][ T504] vfs_write+0xb57/0xe50
[ 47.142479][ T504] ksys_write+0x157/0x260
[ 47.146800][ T504] __x64_sys_write+0x7b/0x90
[ 47.151364][ T504] do_syscall_64+0x34/0x70
[ 47.155762][ T504] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 47.161629][ T504] RIP: 0033:0x7fb7f2ddf0e9
[ 47.166032][ T504] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 47.185618][ T504] RSP: 002b:00007fb7f2d34168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 47.194021][ T504] RAX: ffffffffffffffda RBX: 00007fb7f2ef2030 RCX: 00007fb7f2ddf0e9
[ 47.201973][ T504] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 47.209927][ T504] RBP: 00007fb7f2d341d0 R08: 0000000000000000 R09: 0000000000000000
2022/06/01 17:53:43 executed programs: 28
[ 47.218064][ T504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 47.226020][ T504] R13: 00007fffc859aa1f R14: 00007fb7f2d34300 R15: 0000000000022000
[ 47.234257][ T504] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 47.241413][ T504] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 47.279058][ C0] !!!!! css_killed_ref_fn css ffff88810e443000 !!!
[ 47.285700][ C0] !!!!! css_killed_ref_fn css ffff88810e443c00 !!!
[ 47.292225][ C0] !!!!! css_killed_ref_fn css ffff88810e442c00 !!!
[ 47.298821][ T50] !!!!! css_release css ffff88810e443000 !!!
[ 47.304885][ T50] !!!!! css_release css ffff88810e442c00 !!!
[ 47.311081][ T508] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 47.317768][ T487] FAULT_INJECTION: forcing a failure.
[ 47.317768][ T487] name failslab, interval 1, probability 0, space 0, times 0
[ 47.331023][ T487] CPU: 1 PID: 487 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 47.342701][ T487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 47.352757][ T487] Call Trace:
[ 47.356031][ T487] dump_stack+0x19c/0x1e2
[ 47.360361][ T487] should_fail+0x3f7/0x5b0
[ 47.364764][ T487] __should_failslab+0xd2/0x130
[ 47.369604][ T487] should_failslab+0x9/0x20
[ 47.374086][ T487] slab_pre_alloc_hook+0x25/0xe0
[ 47.379005][ T487] kmem_cache_alloc_trace+0x47/0x2b0
[ 47.384270][ T487] ? percpu_ref_init+0xd0/0x330
[ 47.389118][ T487] percpu_ref_init+0xd0/0x330
[ 47.393782][ T487] ? cgroup_setup_root+0x8a0/0x8a0
[ 47.398995][ T487] cgroup_apply_control_enable+0x3d2/0xf70
[ 47.404928][ T487] cgroup_apply_control+0x36/0x710
[ 47.410058][ T487] ? init_wait_entry+0xe0/0xe0
[ 47.414803][ T487] ? cgroup_kn_lock_live+0x1af/0x370
[ 47.420685][ T487] cgroup_subtree_control_write+0xd05/0x12d0
[ 47.426645][ T487] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 47.432617][ T487] cgroup_file_write+0x22f/0x4f0
[ 47.437543][ T487] kernfs_fop_write_iter+0x2cd/0x410
[ 47.442941][ T487] ? cgroup_seqfile_stop+0xc0/0xc0
[ 47.448051][ T487] vfs_write+0xb57/0xe50
[ 47.452270][ T487] ksys_write+0x157/0x260
[ 47.456581][ T487] __x64_sys_write+0x7b/0x90
[ 47.461230][ T487] do_syscall_64+0x34/0x70
[ 47.465620][ T487] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 47.471486][ T487] RIP: 0033:0x7f499fc5c0e9
[ 47.475884][ T487] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 47.495739][ T487] RSP: 002b:00007f499fbd2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 47.504250][ T487] RAX: ffffffffffffffda RBX: 00007f499fd6ef60 RCX: 00007f499fc5c0e9
[ 47.512477][ T487] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 47.521146][ T487] RBP: 00007f499fbd21d0 R08: 0000000000000000 R09: 0000000000000000
[ 47.529661][ T487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 47.537643][ T487] R13: 00007fffd52c57bf R14: 00007f499fbd2300 R15: 0000000000022000
[ 47.545987][ T487] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 47.589132][ C1] !!!!! css_killed_ref_fn css ffff88810ec26800 !!!
[ 47.596704][ C1] !!!!! css_killed_ref_fn css ffff88810ec27c00 !!!
[ 47.603615][ T373] !!!!! css_release css ffff88810ec26800 !!!
[ 47.609877][ T373] !!!!! css_release css ffff88810ec27c00 !!!
[ 47.616327][ T510] FAULT_INJECTION: forcing a failure.
[ 47.616327][ T510] name failslab, interval 1, probability 0, space 0, times 0
[ 47.630420][ T510] CPU: 0 PID: 510 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 47.642081][ T510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 47.652212][ T510] Call Trace:
[ 47.655571][ T510] dump_stack+0x19c/0x1e2
[ 47.659921][ T510] should_fail+0x3f7/0x5b0
[ 47.664324][ T510] __should_failslab+0xd2/0x130
[ 47.669163][ T510] should_failslab+0x9/0x20
[ 47.673738][ T510] slab_pre_alloc_hook+0x25/0xe0
[ 47.679089][ T510] kmem_cache_alloc_trace+0x47/0x2b0
[ 47.684404][ T510] ? percpu_ref_init+0xd0/0x330
[ 47.689369][ T510] percpu_ref_init+0xd0/0x330
[ 47.694040][ T510] ? cgroup_setup_root+0x8a0/0x8a0
[ 47.699133][ T510] cgroup_apply_control_enable+0x3d2/0xf70
[ 47.704934][ T510] cgroup_apply_control+0x36/0x710
[ 47.710043][ T510] ? init_wait_entry+0xe0/0xe0
[ 47.714799][ T510] ? cgroup_kn_lock_live+0x1af/0x370
[ 47.720241][ T510] cgroup_subtree_control_write+0xd05/0x12d0
[ 47.726386][ T510] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 47.732360][ T510] cgroup_file_write+0x22f/0x4f0
[ 47.737373][ T510] kernfs_fop_write_iter+0x2cd/0x410
[ 47.742760][ T510] ? cgroup_seqfile_stop+0xc0/0xc0
[ 47.747859][ T510] vfs_write+0xb57/0xe50
[ 47.752087][ T510] ksys_write+0x157/0x260
[ 47.756421][ T510] __x64_sys_write+0x7b/0x90
[ 47.761009][ T510] do_syscall_64+0x34/0x70
[ 47.765411][ T510] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 47.771282][ T510] RIP: 0033:0x7f9295a4b0e9
[ 47.775688][ T510] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 47.795289][ T510] RSP: 002b:00007f92959a0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 47.803784][ T510] RAX: ffffffffffffffda RBX: 00007f9295b5e030 RCX: 00007f9295a4b0e9
[ 47.811827][ T510] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 47.819800][ T510] RBP: 00007f92959a01d0 R08: 0000000000000000 R09: 0000000000000000
[ 47.828020][ T510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 47.835984][ T510] R13: 00007ffea8f54faf R14: 00007f92959a0300 R15: 0000000000022000
[ 47.845039][ T510] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 47.889089][ C1] !!!!! css_killed_ref_fn css ffff88810e196000 !!!
[ 47.895677][ C1] !!!!! css_killed_ref_fn css ffff88810defc000 !!!
[ 47.902538][ T373] !!!!! css_release css ffff88810e196000 !!!
[ 47.908933][ T373] !!!!! css_release css ffff88810defc000 !!!
[ 47.915372][ T512] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 47.915514][ T518] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 47.922118][ T501] FAULT_INJECTION: forcing a failure.
[ 47.922118][ T501] name failslab, interval 1, probability 0, space 0, times 0
[ 47.941512][ T501] CPU: 0 PID: 501 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 47.953065][ T501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 47.963128][ T501] Call Trace:
[ 47.966432][ T501] dump_stack+0x19c/0x1e2
[ 47.970764][ T501] should_fail+0x3f7/0x5b0
[ 47.975162][ T501] __should_failslab+0xd2/0x130
[ 47.980353][ T501] should_failslab+0x9/0x20
[ 47.984833][ T501] slab_pre_alloc_hook+0x25/0xe0
[ 47.989858][ T501] ? __kernfs_new_node+0x4c/0x6d0
[ 47.994989][ T501] __kmalloc_track_caller+0x70/0x300
[ 48.000256][ T501] ? __kernfs_new_node+0x4c/0x6d0
[ 48.005448][ T501] kstrdup_const+0x55/0x90
[ 48.009895][ T501] __kernfs_new_node+0x4c/0x6d0
[ 48.014768][ T501] ? string+0x29f/0x2b0
[ 48.019005][ T501] ? vsnprintf+0x1a6c/0x1b30
[ 48.024101][ T501] kernfs_new_node+0x97/0x170
[ 48.028858][ T501] __kernfs_create_file+0x4a/0x270
[ 48.034041][ T501] cgroup_addrm_files+0x99e/0xeb0
[ 48.039054][ T501] ? delete_node+0x747/0x7a0
[ 48.043637][ T501] css_populate_dir+0x137/0x370
[ 48.048638][ T501] cgroup_apply_control_enable+0x5cd/0xf70
[ 48.054511][ T501] cgroup_apply_control+0x36/0x710
[ 48.059608][ T501] ? init_wait_entry+0xe0/0xe0
[ 48.064364][ T501] ? cgroup_kn_lock_live+0x1af/0x370
[ 48.069623][ T501] cgroup_subtree_control_write+0xd05/0x12d0
[ 48.075674][ T501] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 48.081634][ T501] cgroup_file_write+0x22f/0x4f0
[ 48.086560][ T501] kernfs_fop_write_iter+0x2cd/0x410
[ 48.091821][ T501] ? cgroup_seqfile_stop+0xc0/0xc0
[ 48.096919][ T501] vfs_write+0xb57/0xe50
[ 48.101149][ T501] ksys_write+0x157/0x260
[ 48.105450][ T501] __x64_sys_write+0x7b/0x90
[ 48.110024][ T501] do_syscall_64+0x34/0x70
[ 48.114423][ T501] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 48.120301][ T501] RIP: 0033:0x7f9216a470e9
[ 48.124689][ T501] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 48.144442][ T501] RSP: 002b:00007f921699c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 48.152837][ T501] RAX: ffffffffffffffda RBX: 00007f9216b5a030 RCX: 00007f9216a470e9
[ 48.160790][ T501] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 48.168766][ T501] RBP: 00007f921699c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 48.176716][ T501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 48.184763][ T501] R13: 00007ffdf497e50f R14: 00007f921699c300 R15: 0000000000022000
[ 48.192940][ T501] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 48.200167][ T501] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 48.208719][ T413] ------------[ cut here ]------------
[ 48.214239][ T413] WARNING: CPU: 1 PID: 413 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 48.223271][ T413] Modules linked in:
[ 48.227182][ T413] CPU: 1 PID: 413 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 48.238813][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 48.248898][ T413] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 48.254679][ T413] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 48.274659][ T413] RSP: 0018:ffffc90000f07d58 EFLAGS: 00010293
[ 48.280751][ T413] RAX: ffffffff81af1a0c RBX: ffff88810d52d5e0 RCX: ffff8881025d4c40
[ 48.288872][ T413] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 48.296882][ T413] RBP: ffffc90000f07dc8 R08: ffffffff81af1737 R09: fffff520001e0fa3
[ 48.304862][ T413] R10: fffff520001e0fa3 R11: 1ffff920001e0fa2 R12: dffffc0000000000
[ 48.313558][ T413] R13: ffff88810d52d500 R14: 00000000ffffffff R15: 0000000000000000
[ 48.321735][ T413] FS: 000055555691f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 48.330855][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.337432][ T413] CR2: 00007ffdf497cf28 CR3: 000000010938a000 CR4: 00000000003506a0
[ 48.345551][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 48.353553][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 48.361538][ T413] Call Trace:
[ 48.364825][ T413] ? init_wait_entry+0xe0/0xe0
[ 48.369611][ T413] ? up_write+0x68/0x140
[ 48.373860][ T413] namespace_unlock+0x377/0x420
[ 48.378700][ T413] path_umount+0xe23/0xed0
[ 48.383158][ T413] __x64_sys_umount+0xe8/0x110
[ 48.388025][ T413] do_syscall_64+0x34/0x70
[ 48.392465][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 48.398352][ T413] RIP: 0033:0x7f9216a48557
[ 48.402804][ T413] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 48.422460][ T413] RSP: 002b:00007ffdf497d668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 48.430912][ T413] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9216a48557
[ 48.438880][ T413] RDX: 00007ffdf497d739 RSI: 000000000000000a RDI: 00007ffdf497d730
[ 48.446963][ T413] RBP: 00007ffdf497d730 R08: 00000000ffffffff R09: 00007ffdf497d500
[ 48.455157][ T413] R10: 0000555556920ba3 R11: 0000000000000246 R12: 00007f9216aa01f8
[ 48.463263][ T413] R13: 00007ffdf497e7f0 R14: 0000555556920b00 R15: 00007ffdf497e830
[ 48.471279][ T413] ---[ end trace 84e0bdab5464fe23 ]---
[ 48.476944][ T413] ------------[ cut here ]------------
[ 48.482441][ T413] WARNING: CPU: 1 PID: 413 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 48.489058][ C0] !!!!! css_killed_ref_fn css ffff88810e589800 !!!
[ 48.491405][ T413] Modules linked in:
[ 48.497918][ C0] !!!!! css_killed_ref_fn css ffff88810cea6400 !!!
[ 48.501808][ T413] CPU: 1 PID: 413 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 48.510019][ C0] !!!!! css_killed_ref_fn css ffff88810cea7000 !!!
[ 48.521578][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 48.528141][ T50] !!!!! css_release css ffff88810e589800 !!!
[ 48.538123][ T413] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 48.545134][ T50] !!!!! css_release css ffff88810cea6400 !!!
[ 48.550298][ T413] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 48.550306][ T413] RSP: 0018:ffffc90000f07dd0 EFLAGS: 00010293
[ 48.550328][ T413] RAX: ffffffff81af1a0c RBX: ffff88810d52d5e0 RCX: ffff8881025d4c40
[ 48.556946][ T490] FAULT_INJECTION: forcing a failure.
[ 48.556946][ T490] name failslab, interval 1, probability 0, space 0, times 0
[ 48.576793][ T413] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 48.576800][ T413] RBP: ffffc90000f07e40 R08: ffffffff81af1737 R09: fffff520001e0fb2
[ 48.576816][ T413] R10: fffff520001e0fb2 R11: 1ffff920001e0fb1 R12: dffffc0000000000
[ 48.582954][ T490] CPU: 0 PID: 490 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 48.591099][ T413] R13: ffff88810d52d500 R14: 00000000fffffffe R15: 0000000000000000
[ 48.603813][ T490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 48.603818][ T490] Call Trace:
[ 48.603835][ T490] dump_stack+0x19c/0x1e2
[ 48.603854][ T490] should_fail+0x3f7/0x5b0
[ 48.611840][ T413] FS: 000055555691f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 48.619748][ T490] __should_failslab+0xd2/0x130
[ 48.619756][ T490] should_failslab+0x9/0x20
[ 48.619773][ T490] slab_pre_alloc_hook+0x25/0xe0
[ 48.627720][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.639309][ T490] kmem_cache_alloc_trace+0x47/0x2b0
[ 48.639324][ T490] ? percpu_ref_init+0xd0/0x330
[ 48.639340][ T490] percpu_ref_init+0xd0/0x330
[ 48.647285][ T413] CR2: 00007ffdf497cf28 CR3: 000000010938a000 CR4: 00000000003506a0
[ 48.657333][ T490] ? cgroup_setup_root+0x8a0/0x8a0
[ 48.657344][ T490] cgroup_apply_control_enable+0x3d2/0xf70
[ 48.657353][ T490] cgroup_apply_control+0x36/0x710
[ 48.657362][ T490] ? init_wait_entry+0xe0/0xe0
[ 48.657371][ T490] ? cgroup_kn_lock_live+0x1af/0x370
[ 48.657383][ T490] cgroup_subtree_control_write+0xd05/0x12d0
[ 48.657393][ T490] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 48.657401][ T490] cgroup_file_write+0x22f/0x4f0
[ 48.657410][ T490] kernfs_fop_write_iter+0x2cd/0x410
[ 48.657419][ T490] ? cgroup_seqfile_stop+0xc0/0xc0
[ 48.657429][ T490] vfs_write+0xb57/0xe50
[ 48.657439][ T490] ksys_write+0x157/0x260
[ 48.657448][ T490] __x64_sys_write+0x7b/0x90
[ 48.657456][ T490] do_syscall_64+0x34/0x70
[ 48.657466][ T490] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 48.657474][ T490] RIP: 0033:0x7faede8f60e9
[ 48.657485][ T490] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 48.657498][ T490] RSP: 002b:00007faede84b168 EFLAGS: 00000246
[ 48.660770][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 48.665082][ T490] ORIG_RAX: 0000000000000001
[ 48.669495][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 48.678370][ T490] RAX: ffffffffffffffda RBX: 00007faedea09030 RCX: 00007faede8f60e9
[ 48.683196][ T413] Call Trace:
[ 48.687776][ T490] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 48.692809][ T413] path_umount+0x1ad/0xed0
[ 48.699522][ T490] RBP: 00007faede84b1d0 R08: 0000000000000000 R09: 0000000000000000
[ 48.699534][ T490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 48.699548][ T490] R13: 00007ffcf159dfef R14: 00007faede84b300 R15: 0000000000022000
[ 48.704835][ T413] __x64_sys_umount+0xe8/0x110
[ 48.712821][ T490] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 48.714320][ T413] do_syscall_64+0x34/0x70
[ 48.714332][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 48.714346][ T413] RIP: 0033:0x7f9216a48557
[ 48.924616][ T413] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 48.944563][ T413] RSP: 002b:00007ffdf497d668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 48.952993][ T413] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9216a48557
[ 48.960984][ T413] RDX: 00007ffdf497d739 RSI: 000000000000000a RDI: 00007ffdf497d730
[ 48.969088][ T413] RBP: 00007ffdf497d730 R08: 00000000ffffffff R09: 00007ffdf497d500
[ 48.977048][ T413] R10: 0000555556920ba3 R11: 0000000000000246 R12: 00007f9216aa01f8
[ 48.985024][ T413] R13: 00007ffdf497e7f0 R14: 0000555556920b00 R15: 00007ffdf497e830
[ 48.993019][ T413] ---[ end trace 84e0bdab5464fe24 ]---
[ 49.009109][ C0] !!!!! css_killed_ref_fn css ffff88810ee22000 !!!
[ 49.015645][ C0] !!!!! css_killed_ref_fn css ffff88810ee20000 !!!
[ 49.022940][ T50] !!!!! css_release css ffff88810ee22000 !!!
[ 49.028924][ T50] !!!!! css_release css ffff88810ee20000 !!!
[ 49.035210][ T523] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 49.035659][ T522] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 49.042096][ T513] FAULT_INJECTION: forcing a failure.
[ 49.042096][ T513] name failslab, interval 1, probability 0, space 0, times 0
[ 49.061721][ T513] CPU: 1 PID: 513 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 49.073433][ T513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 49.084970][ T513] Call Trace:
[ 49.088278][ T513] dump_stack+0x19c/0x1e2
[ 49.092779][ T513] should_fail+0x3f7/0x5b0
[ 49.097173][ T513] __should_failslab+0xd2/0x130
[ 49.102002][ T513] should_failslab+0x9/0x20
[ 49.106489][ T513] slab_pre_alloc_hook+0x25/0xe0
[ 49.111893][ T513] ? __kernfs_new_node+0x4c/0x6d0
[ 49.117011][ T513] __kmalloc_track_caller+0x70/0x300
[ 49.122969][ T513] ? __kernfs_new_node+0x4c/0x6d0
[ 49.128404][ T513] kstrdup_const+0x55/0x90
[ 49.132798][ T513] __kernfs_new_node+0x4c/0x6d0
[ 49.137776][ T513] ? string+0x29f/0x2b0
[ 49.142137][ T513] ? vsnprintf+0x1a6c/0x1b30
[ 49.146706][ T513] kernfs_new_node+0x97/0x170
[ 49.151466][ T513] __kernfs_create_file+0x4a/0x270
[ 49.156572][ T513] cgroup_addrm_files+0x99e/0xeb0
[ 49.161769][ T513] ? delete_node+0x747/0x7a0
[ 49.166366][ T513] css_populate_dir+0x137/0x370
[ 49.171205][ T513] cgroup_apply_control_enable+0x5cd/0xf70
[ 49.177169][ T513] cgroup_apply_control+0x36/0x710
[ 49.182258][ T513] ? init_wait_entry+0xe0/0xe0
[ 49.187041][ T513] ? cgroup_kn_lock_live+0x1af/0x370
[ 49.192322][ T513] cgroup_subtree_control_write+0xd05/0x12d0
[ 49.198374][ T513] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 49.204425][ T513] cgroup_file_write+0x22f/0x4f0
[ 49.209693][ T513] kernfs_fop_write_iter+0x2cd/0x410
[ 49.215052][ T513] ? cgroup_seqfile_stop+0xc0/0xc0
[ 49.220159][ T513] vfs_write+0xb57/0xe50
[ 49.224380][ T513] ksys_write+0x157/0x260
[ 49.228704][ T513] __x64_sys_write+0x7b/0x90
[ 49.233341][ T513] do_syscall_64+0x34/0x70
[ 49.237784][ T513] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 49.243667][ T513] RIP: 0033:0x7fb7f2ddf0e9
[ 49.248083][ T513] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 49.267948][ T513] RSP: 002b:00007fb7f2d34168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 49.276443][ T513] RAX: ffffffffffffffda RBX: 00007fb7f2ef2030 RCX: 00007fb7f2ddf0e9
[ 49.284391][ T513] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 49.292428][ T513] RBP: 00007fb7f2d341d0 R08: 0000000000000000 R09: 0000000000000000
[ 49.300392][ T513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 49.308339][ T513] R13: 00007fffc859aa1f R14: 00007fb7f2d34300 R15: 0000000000022000
[ 49.316766][ T513] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 49.323952][ T513] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 49.332691][ T412] ------------[ cut here ]------------
[ 49.338186][ T412] WARNING: CPU: 1 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 49.347131][ T412] Modules linked in:
[ 49.351029][ T412] CPU: 1 PID: 412 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 49.362696][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 49.372786][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 49.378749][ T412] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 49.398692][ T412] RSP: 0018:ffffc90000ef7dd0 EFLAGS: 00010293
[ 49.404861][ T412] RAX: ffffffff81af1a0c RBX: ffff88810d52cce0 RCX: ffff8881025d0f40
[ 49.413152][ T412] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 49.421501][ T412] RBP: ffffc90000ef7e40 R08: ffffffff81af1737 R09: fffff520001defb2
[ 49.429573][ T412] R10: fffff520001defb2 R11: 1ffff920001defb1 R12: dffffc0000000000
[ 49.437539][ T412] R13: ffff88810d52cc00 R14: 00000000ffffffff R15: 0000000000000000
[ 49.445855][ T412] FS: 0000555556934400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 49.454902][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.461617][ T412] CR2: 000055555693db38 CR3: 0000000109304000 CR4: 00000000003506a0
[ 49.469892][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 49.477848][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 49.485925][ T412] Call Trace:
[ 49.489218][ T412] path_umount+0x1ad/0xed0
[ 49.493621][ T412] __x64_sys_umount+0xe8/0x110
[ 49.498387][ T412] do_syscall_64+0x34/0x70
[ 49.502857][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 49.508740][ T412] RIP: 0033:0x7fb7f2de0557
[ 49.513188][ T412] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 49.532932][ T412] RSP: 002b:00007fffc8599b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 49.541867][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb7f2de0557
[ 49.550040][ T412] RDX: 00007fffc8599c49 RSI: 000000000000000a RDI: 00007fffc8599c40
[ 49.558011][ T412] RBP: 00007fffc8599c40 R08: 00000000ffffffff R09: 00007fffc8599a10
[ 49.566001][ T412] R10: 0000555556935ba3 R11: 0000000000000246 R12: 00007fb7f2e381f8
[ 49.574346][ T412] R13: 00007fffc859ad00 R14: 0000555556935b00 R15: 00007fffc859ad40
[ 49.582376][ T412] ---[ end trace 84e0bdab5464fe25 ]---
[ 49.588019][ T412] ------------[ cut here ]------------
[ 49.593686][ T412] WARNING: CPU: 1 PID: 412 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510
[ 49.599059][ C0] !!!!! css_killed_ref_fn css ffff88810edcd400 !!!
[ 49.602260][ T412] Modules linked in:
[ 49.608701][ C0] !!!!! css_killed_ref_fn css ffff88810edce000 !!!
[ 49.612591][ T412] CPU: 1 PID: 412 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 49.619069][ C0] !!!!! css_killed_ref_fn css ffff88810edcc000 !!!
[ 49.630675][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 49.637249][ T50] !!!!! css_release css ffff88810edcd400 !!!
[ 49.647213][ T412] RIP: 0010:cleanup_mnt+0x4c5/0x510
[ 49.647229][ T412] Code: b3 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e e6 b8 ff 48 8b 7d d0 e8 15 c9 04 00 e9 21 fd ff ff e8 1b e6 b8 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 e0 1f 86 80 e1 07 80 c1 03 38 c1
[ 49.654012][ T50] !!!!! css_release css ffff88810edce000 !!!
[ 49.658391][ T412] RSP: 0018:ffffc90000ef7e30 EFLAGS: 00010293
[ 49.658404][ T412] RAX: ffffffff81b024d5 RBX: ffffe8ffffd425f4 RCX: ffff8881025d0f40
[ 49.658411][ T412] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 49.658418][ T412] RBP: ffffc90000ef7e80 R08: ffffffff81b021b3 R09: fffff520001defcd
[ 49.658424][ T412] R10: fffff520001defcd R11: 1ffff920001defcc R12: ffff88810d52cc48
[ 49.658438][ T412] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff
[ 49.678379][ T522] FAULT_INJECTION: forcing a failure.
[ 49.678379][ T522] name failslab, interval 1, probability 0, space 0, times 0
[ 49.684424][ T412] FS: 0000555556934400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 49.690481][ T522] CPU: 0 PID: 522 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 49.698411][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.706177][ T522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 49.706182][ T522] Call Trace:
[ 49.706197][ T522] dump_stack+0x19c/0x1e2
[ 49.706208][ T522] should_fail+0x3f7/0x5b0
[ 49.706218][ T522] __should_failslab+0xd2/0x130
[ 49.706226][ T522] should_failslab+0x9/0x20
[ 49.706236][ T522] slab_pre_alloc_hook+0x25/0xe0
[ 49.706244][ T522] kmem_cache_alloc_trace+0x47/0x2b0
[ 49.706255][ T522] ? percpu_ref_init+0xd0/0x330
[ 49.706264][ T522] percpu_ref_init+0xd0/0x330
[ 49.706274][ T522] ? cgroup_setup_root+0x8a0/0x8a0
[ 49.706284][ T522] cgroup_apply_control_enable+0x3d2/0xf70
[ 49.706299][ T522] cgroup_apply_control+0x36/0x710
[ 49.714704][ T412] CR2: 000055555693db38 CR3: 0000000109304000 CR4: 00000000003506a0
[ 49.722286][ T522] ? init_wait_entry+0xe0/0xe0
[ 49.722298][ T522] ? cgroup_kn_lock_live+0x1af/0x370
[ 49.722308][ T522] cgroup_subtree_control_write+0xd05/0x12d0
[ 49.722318][ T522] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 49.722334][ T522] cgroup_file_write+0x22f/0x4f0
[ 49.730445][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 49.743001][ T522] kernfs_fop_write_iter+0x2cd/0x410
[ 49.743012][ T522] ? cgroup_seqfile_stop+0xc0/0xc0
[ 49.743022][ T522] vfs_write+0xb57/0xe50
[ 49.743032][ T522] ksys_write+0x157/0x260
[ 49.743047][ T522] __x64_sys_write+0x7b/0x90
[ 49.752151][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 49.763573][ T522] do_syscall_64+0x34/0x70
[ 49.763585][ T522] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 49.763592][ T522] RIP: 0033:0x7f9216a470e9
[ 49.763602][ T522] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 49.763615][ T522] RSP: 002b:00007f92169bd168 EFLAGS: 00000246
[ 49.770271][ T412] Call Trace:
[ 49.780841][ T522] ORIG_RAX: 0000000000000001
[ 49.780849][ T522] RAX: ffffffffffffffda RBX: 00007f9216b59f60 RCX: 00007f9216a470e9
[ 49.780856][ T522] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 49.780862][ T522] RBP: 00007f92169bd1d0 R08: 0000000000000000 R09: 0000000000000000
[ 49.780868][ T522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 49.780874][ T522] R13: 00007ffdf497e50f R14: 00007f92169bd300 R15: 0000000000022000
[ 49.782498][ T522] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 49.784214][ T412] __cleanup_mnt+0x19/0x20
[ 50.014702][ T413] ------------[ cut here ]------------
[ 50.014944][ T412] task_work_run+0x147/0x1b0
[ 50.020558][ T413] WARNING: CPU: 0 PID: 413 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 50.025290][ T412] exit_to_user_mode_loop+0xc8/0xe0
[ 50.034202][ T413] Modules linked in:
[ 50.039381][ T412] syscall_exit_to_user_mode+0x77/0xa0
[ 50.039397][ T412] do_syscall_64+0x40/0x70
[ 50.043256][ T413]
[ 50.048692][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 50.053087][ T413] CPU: 0 PID: 413 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 50.055384][ T412] RIP: 0033:0x7fb7f2de0557
[ 50.061249][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 50.073213][ T412] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 50.077201][ T413] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 50.077209][ T413] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 50.077222][ T413] RSP: 0018:ffffc90000f07d58 EFLAGS: 00010293
[ 50.087485][ T412] RSP: 002b:00007fffc8599b78 EFLAGS: 00000246
[ 50.107421][ C0] !!!!! css_killed_ref_fn css ffff88810f01d800 !!!
[ 50.113097][ T412] ORIG_RAX: 00000000000000a6
[ 50.132672][ C0] !!!!! css_killed_ref_fn css ffff88810f01f000 !!!
[ 50.138743][ T412] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb7f2de0557
[ 50.144775][ T413]
[ 50.151300][ T412] RDX: 00007fffc8599c49 RSI: 000000000000000a RDI: 00007fffc8599c40
[ 50.155988][ T413] RAX: ffffffff81af1a0c RBX: ffff88810d52d160 RCX: ffff8881025d4c40
[ 50.155995][ T413] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 50.156008][ T413] RBP: ffffc90000f07dc8 R08: ffffffff81af1737 R09: fffff520001e0fa3
[ 50.175671][ T412] RBP: 00007fffc8599c40 R08: 00000000ffffffff R09: 00007fffc8599a10
[ 50.180989][ T413] R10: fffff520001e0fa3 R11: 1ffff920001e0fa2 R12: dffffc0000000000
[ 50.181002][ T413] R13: ffff88810d52d080 R14: 00000000fffffffe R15: 0000000000000000
[ 50.194340][ T412] R10: 0000555556935ba3 R11: 0000000000000246 R12: 00007fb7f2e381f8
[ 50.197013][ T413] FS: 000055555691f400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 50.217016][ T412] R13: 00007fffc859ad00 R14: 0000555556935b00 R15: 00007fffc859ad40
[ 50.221243][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.221259][ T413] CR2: 0000555556ffa3b8 CR3: 000000010938a000 CR4: 00000000003506b0
[ 50.241216][ T412] ---[ end trace 84e0bdab5464fe26 ]---
[ 50.246462][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 50.282572][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 50.290556][ T413] Call Trace:
[ 50.293833][ T413] ? init_wait_entry+0xe0/0xe0
[ 50.298573][ T413] ? up_write+0x68/0x140
[ 50.302816][ T413] namespace_unlock+0x377/0x420
[ 50.307646][ T413] path_umount+0xe23/0xed0
[ 50.312084][ T413] __x64_sys_umount+0xe8/0x110
[ 50.316825][ T413] do_syscall_64+0x34/0x70
[ 50.321235][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 50.327125][ T413] RIP: 0033:0x7f9216a48557
[ 50.331560][ T413] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 50.351257][ T413] RSP: 002b:00007ffdf497d668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 50.359792][ T413] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9216a48557
[ 50.367744][ T413] RDX: 00007ffdf497d739 RSI: 000000000000000a RDI: 00007ffdf497d730
[ 50.375712][ T413] RBP: 00007ffdf497d730 R08: 00000000ffffffff R09: 00007ffdf497d500
[ 50.383679][ T413] R10: 0000555556920ba3 R11: 0000000000000246 R12: 00007f9216aa01f8
[ 50.391661][ T413] R13: 00007ffdf497e7f0 R14: 0000555556920b00 R15: 00007ffdf497e830
[ 50.399652][ T413] ---[ end trace 84e0bdab5464fe27 ]---
[ 50.412567][ T50] !!!!! css_release css ffff88810f01d800 !!!
[ 50.418762][ T50] !!!!! css_release css ffff88810f01f000 !!!
[ 50.425411][ T519] FAULT_INJECTION: forcing a failure.
[ 50.425411][ T519] name failslab, interval 1, probability 0, space 0, times 0
[ 50.429164][ T413] ------------[ cut here ]------------
[ 50.438972][ T519] CPU: 0 PID: 519 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 50.444416][ T413] WARNING: CPU: 1 PID: 413 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 50.456061][ T519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 50.456066][ T519] Call Trace:
[ 50.456081][ T519] dump_stack+0x19c/0x1e2
[ 50.456092][ T519] should_fail+0x3f7/0x5b0
[ 50.456108][ T519] __should_failslab+0xd2/0x130
[ 50.465041][ T413] Modules linked in:
[ 50.475150][ T519] should_failslab+0x9/0x20
[ 50.475159][ T519] slab_pre_alloc_hook+0x25/0xe0
[ 50.475175][ T519] ? __kernfs_new_node+0x4c/0x6d0
[ 50.478445][ T413]
[ 50.482742][ T519] __kmalloc_track_caller+0x70/0x300
[ 50.482752][ T519] ? __kernfs_new_node+0x4c/0x6d0
[ 50.482765][ T519] kstrdup_const+0x55/0x90
[ 50.487242][ T413] CPU: 1 PID: 413 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 50.492157][ T519] __kernfs_new_node+0x4c/0x6d0
[ 50.492165][ T519] ? string+0x29f/0x2b0
[ 50.492184][ T519] ? vsnprintf+0x1a6c/0x1b30
[ 50.496048][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 50.500520][ T519] kernfs_new_node+0x97/0x170
[ 50.500534][ T519] __kernfs_create_file+0x4a/0x270
[ 50.506061][ T413] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 50.511048][ T519] cgroup_addrm_files+0x99e/0xeb0
[ 50.511063][ T519] ? delete_node+0x747/0x7a0
[ 50.513399][ T413] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 50.518741][ T519] css_populate_dir+0x137/0x370
[ 50.523770][ T413] RSP: 0018:ffffc90000f07dd0 EFLAGS: 00010293
[ 50.528201][ T519] cgroup_apply_control_enable+0x5cd/0xf70
[ 50.539736][ T413]
[ 50.544552][ T519] cgroup_apply_control+0x36/0x710
[ 50.549399][ T413] RAX: ffffffff81af1a0c RBX: ffff88810d52d160 RCX: ffff8881025d4c40
[ 50.553989][ T519] ? init_wait_entry+0xe0/0xe0
[ 50.564026][ T413] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 50.568669][ T519] ? cgroup_kn_lock_live+0x1af/0x370
[ 50.573755][ T413] RBP: ffffc90000f07e40 R08: ffffffff81af1737 R09: fffff520001e0fb2
[ 50.579736][ T519] cgroup_subtree_control_write+0xd05/0x12d0
[ 50.579753][ T519] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 50.584769][ T413] R10: fffff520001e0fb2 R11: 1ffff920001e0fb1 R12: dffffc0000000000
[ 50.589499][ T519] cgroup_file_write+0x22f/0x4f0
[ 50.589517][ T519] kernfs_fop_write_iter+0x2cd/0x410
[ 50.609303][ T413] R13: ffff88810d52d080 R14: 00000000ffffffff R15: 0000000000000000
[ 50.614156][ T519] ? cgroup_seqfile_stop+0xc0/0xc0
[ 50.620769][ T413] FS: 000055555691f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 50.626530][ T519] vfs_write+0xb57/0xe50
[ 50.628831][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.634086][ T519] ksys_write+0x157/0x260
[ 50.634096][ T519] __x64_sys_write+0x7b/0x90
[ 50.634116][ T519] do_syscall_64+0x34/0x70
[ 50.642105][ T413] CR2: 00007fb7f2e65e69 CR3: 000000010938a000 CR4: 00000000003506a0
[ 50.646861][ T519] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 50.656042][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 50.661766][ T519] RIP: 0033:0x7f9295a4b0e9
[ 50.661783][ T519] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 50.669822][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 50.675854][ T519] RSP: 002b:00007f92959a0168 EFLAGS: 00000246
[ 50.681814][ T413] Call Trace:
[ 50.689841][ T519] ORIG_RAX: 0000000000000001
[ 50.689849][ T519] RAX: ffffffffffffffda RBX: 00007f9295b5e030 RCX: 00007f9295a4b0e9
[ 50.689861][ T519] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 50.694805][ T413] path_umount+0x1ad/0xed0
[ 50.700138][ T519] RBP: 00007f92959a01d0 R08: 0000000000000000 R09: 0000000000000000
[ 50.700144][ T519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 50.700150][ T519] R13: 00007ffea8f54faf R14: 00007f92959a0300 R15: 0000000000022000
[ 50.704653][ T519] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 50.708139][ T413] __x64_sys_umount+0xe8/0x110
[ 50.708149][ T413] do_syscall_64+0x34/0x70
[ 50.708166][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 50.713728][ T519] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 50.891645][ T413] RIP: 0033:0x7f9216a48557
[ 50.896147][ T413] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 50.916048][ T413] RSP: 002b:00007ffdf497d668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 50.924811][ T413] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9216a48557
[ 50.933072][ T413] RDX: 00007ffdf497d739 RSI: 000000000000000a RDI: 00007ffdf497d730
[ 50.941511][ T413] RBP: 00007ffdf497d730 R08: 00000000ffffffff R09: 00007ffdf497d500
[ 50.949539][ T413] R10: 0000555556920ba3 R11: 0000000000000246 R12: 00007f9216aa01f8
[ 50.957680][ T413] R13: 00007ffdf497e7f0 R14: 0000555556920b00 R15: 00007ffdf497e830
[ 50.965651][ T413] ---[ end trace 84e0bdab5464fe28 ]---
[ 50.980428][ C0] !!!!! css_killed_ref_fn css ffff88810efc3c00 !!!
[ 50.986969][ C0] !!!!! css_killed_ref_fn css ffff88810efc3400 !!!
[ 50.993528][ C0] !!!!! css_killed_ref_fn css ffff88810efc1800 !!!
[ 51.000092][ T5] !!!!! css_release css ffff88810efc3c00 !!!
[ 51.006647][ T5] !!!!! css_release css ffff88810efc1800 !!!
[ 51.012854][ T530] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 51.019376][ T528] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 51.020641][ T530] FAULT_INJECTION: forcing a failure.
[ 51.020641][ T530] name failslab, interval 1, probability 0, space 0, times 0
[ 51.040031][ T530] CPU: 1 PID: 530 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 51.051926][ T530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.062051][ T530] Call Trace:
[ 51.065339][ T530] dump_stack+0x19c/0x1e2
[ 51.069679][ T530] should_fail+0x3f7/0x5b0
[ 51.074094][ T530] __should_failslab+0xd2/0x130
[ 51.079018][ T530] should_failslab+0x9/0x20
[ 51.083567][ T530] slab_pre_alloc_hook+0x25/0xe0
[ 51.088717][ T530] ? __kernfs_new_node+0x4c/0x6d0
[ 51.093949][ T530] __kmalloc_track_caller+0x70/0x300
[ 51.099333][ T530] ? __kernfs_new_node+0x4c/0x6d0
[ 51.104340][ T530] kstrdup_const+0x55/0x90
[ 51.108743][ T530] __kernfs_new_node+0x4c/0x6d0
[ 51.113575][ T530] ? string+0x29f/0x2b0
[ 51.117899][ T530] ? vsnprintf+0x1a6c/0x1b30
[ 51.122488][ T530] kernfs_new_node+0x97/0x170
[ 51.127160][ T530] __kernfs_create_file+0x4a/0x270
[ 51.132350][ T530] cgroup_addrm_files+0x99e/0xeb0
[ 51.137365][ T530] ? delete_node+0x747/0x7a0
[ 51.142031][ T530] css_populate_dir+0x137/0x370
[ 51.146867][ T530] cgroup_apply_control_enable+0x5cd/0xf70
[ 51.152949][ T530] cgroup_apply_control+0x36/0x710
[ 51.158219][ T530] ? init_wait_entry+0xe0/0xe0
[ 51.163076][ T530] ? cgroup_kn_lock_live+0x1af/0x370
[ 51.168443][ T530] cgroup_subtree_control_write+0xd05/0x12d0
[ 51.174825][ T530] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 51.181137][ T530] cgroup_file_write+0x22f/0x4f0
[ 51.186085][ T530] kernfs_fop_write_iter+0x2cd/0x410
[ 51.191445][ T530] ? cgroup_seqfile_stop+0xc0/0xc0
[ 51.197432][ T530] vfs_write+0xb57/0xe50
[ 51.201657][ T530] ksys_write+0x157/0x260
[ 51.206172][ T530] __x64_sys_write+0x7b/0x90
[ 51.210859][ T530] do_syscall_64+0x34/0x70
[ 51.215365][ T530] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 51.221252][ T530] RIP: 0033:0x7f9295a4b0e9
[ 51.225653][ T530] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 51.245533][ T530] RSP: 002b:00007f92959c1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 51.254084][ T530] RAX: ffffffffffffffda RBX: 00007f9295b5df60 RCX: 00007f9295a4b0e9
[ 51.262101][ T530] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 51.270069][ T530] RBP: 00007f92959c11d0 R08: 0000000000000000 R09: 0000000000000000
[ 51.278136][ T530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 51.286236][ T530] R13: 00007ffea8f54faf R14: 00007f92959c1300 R15: 0000000000022000
[ 51.296479][ T530] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 51.303711][ T530] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 51.329282][ C1] !!!!! css_killed_ref_fn css ffff88810f014c00 !!!
[ 51.335845][ C1] !!!!! css_killed_ref_fn css ffff88810f014400 !!!
[ 51.342375][ C1] !!!!! css_killed_ref_fn css ffff88810f017800 !!!
[ 51.348941][ T373] !!!!! css_release css ffff88810f014c00 !!!
[ 51.355097][ T373] !!!!! css_release css ffff88810f014400 !!!
[ 51.361310][ T373] !!!!! css_release css ffff88810f017800 !!!
[ 51.367416][ T525] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 51.367544][ T506] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 51.374051][ T523] FAULT_INJECTION: forcing a failure.
[ 51.374051][ T523] name failslab, interval 1, probability 0, space 0, times 0
[ 51.393859][ T523] CPU: 0 PID: 523 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 51.405808][ T523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.416111][ T523] Call Trace:
[ 51.419533][ T523] dump_stack+0x19c/0x1e2
[ 51.423980][ T523] should_fail+0x3f7/0x5b0
[ 51.428653][ T523] __should_failslab+0xd2/0x130
[ 51.433501][ T523] should_failslab+0x9/0x20
[ 51.438161][ T523] slab_pre_alloc_hook+0x25/0xe0
[ 51.443175][ T523] kmem_cache_alloc_trace+0x47/0x2b0
[ 51.448472][ T523] ? percpu_ref_init+0xd0/0x330
[ 51.453306][ T523] percpu_ref_init+0xd0/0x330
[ 51.458047][ T523] ? cgroup_setup_root+0x8a0/0x8a0
[ 51.463135][ T523] cgroup_apply_control_enable+0x3d2/0xf70
[ 51.469016][ T523] cgroup_apply_control+0x36/0x710
[ 51.474116][ T523] ? init_wait_entry+0xe0/0xe0
[ 51.478958][ T523] ? cgroup_kn_lock_live+0x1af/0x370
[ 51.484242][ T523] cgroup_subtree_control_write+0xd05/0x12d0
[ 51.490244][ T523] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 51.496208][ T523] cgroup_file_write+0x22f/0x4f0
[ 51.501132][ T523] kernfs_fop_write_iter+0x2cd/0x410
[ 51.506502][ T523] ? cgroup_seqfile_stop+0xc0/0xc0
[ 51.511615][ T523] vfs_write+0xb57/0xe50
[ 51.515842][ T523] ksys_write+0x157/0x260
[ 51.520154][ T523] __x64_sys_write+0x7b/0x90
[ 51.524774][ T523] do_syscall_64+0x34/0x70
[ 51.529177][ T523] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 51.535132][ T523] RIP: 0033:0x7faede8f60e9
[ 51.539529][ T523] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 51.559470][ T523] RSP: 002b:00007faede86c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 51.567874][ T523] RAX: ffffffffffffffda RBX: 00007faedea08f60 RCX: 00007faede8f60e9
[ 51.575834][ T523] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 51.584251][ T523] RBP: 00007faede86c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 51.592209][ T523] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 51.600169][ T523] R13: 00007ffcf159dfef R14: 00007faede86c300 R15: 0000000000022000
[ 51.608341][ T523] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 51.639098][ C0] !!!!! css_killed_ref_fn css ffff88810f185400 !!!
[ 51.645653][ C0] !!!!! css_killed_ref_fn css ffff88810f186000 !!!
[ 51.652522][ T50] !!!!! css_release css ffff88810f185400 !!!
[ 51.658518][ T50] !!!!! css_release css ffff88810f186000 !!!
[ 51.664881][ T526] FAULT_INJECTION: forcing a failure.
[ 51.664881][ T526] name failslab, interval 1, probability 0, space 0, times 0
[ 51.677504][ T526] CPU: 0 PID: 526 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 51.689016][ T526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.699058][ T526] Call Trace:
[ 51.702337][ T526] dump_stack+0x19c/0x1e2
[ 51.706648][ T526] should_fail+0x3f7/0x5b0
[ 51.711052][ T526] __should_failslab+0xd2/0x130
[ 51.715966][ T526] should_failslab+0x9/0x20
[ 51.720467][ T526] slab_pre_alloc_hook+0x25/0xe0
[ 51.725406][ T526] ? __kernfs_new_node+0x4c/0x6d0
[ 51.730408][ T526] __kmalloc_track_caller+0x70/0x300
[ 51.735674][ T526] ? __kernfs_new_node+0x4c/0x6d0
[ 51.740847][ T526] kstrdup_const+0x55/0x90
[ 51.745238][ T526] __kernfs_new_node+0x4c/0x6d0
[ 51.750061][ T526] ? string+0x29f/0x2b0
[ 51.754279][ T526] ? vsnprintf+0x1a6c/0x1b30
[ 51.758850][ T526] kernfs_new_node+0x97/0x170
[ 51.763512][ T526] __kernfs_create_file+0x4a/0x270
[ 51.768600][ T526] cgroup_addrm_files+0x99e/0xeb0
[ 51.773602][ T526] ? delete_node+0x747/0x7a0
[ 51.778182][ T526] css_populate_dir+0x137/0x370
[ 51.783007][ T526] cgroup_apply_control_enable+0x5cd/0xf70
[ 51.788794][ T526] cgroup_apply_control+0x36/0x710
[ 51.793878][ T526] ? init_wait_entry+0xe0/0xe0
[ 51.798614][ T526] ? cgroup_kn_lock_live+0x1af/0x370
[ 51.803872][ T526] cgroup_subtree_control_write+0xd05/0x12d0
[ 51.809859][ T526] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 51.815826][ T526] cgroup_file_write+0x22f/0x4f0
[ 51.820756][ T526] kernfs_fop_write_iter+0x2cd/0x410
[ 51.826028][ T526] ? cgroup_seqfile_stop+0xc0/0xc0
[ 51.831118][ T526] vfs_write+0xb57/0xe50
[ 51.835350][ T526] ksys_write+0x157/0x260
[ 51.839659][ T526] __x64_sys_write+0x7b/0x90
[ 51.844236][ T526] do_syscall_64+0x34/0x70
[ 51.848637][ T526] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 51.854511][ T526] RIP: 0033:0x7fb7f2ddf0e9
[ 51.858917][ T526] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 51.878513][ T526] RSP: 002b:00007fb7f2d34168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 51.886903][ T526] RAX: ffffffffffffffda RBX: 00007fb7f2ef2030 RCX: 00007fb7f2ddf0e9
[ 51.894852][ T526] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 51.902798][ T526] RBP: 00007fb7f2d341d0 R08: 0000000000000000 R09: 0000000000000000
[ 51.910748][ T526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 51.918698][ T526] R13: 00007fffc859aa1f R14: 00007fb7f2d34300 R15: 0000000000022000
[ 51.928833][ T526] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 51.936000][ T526] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 51.959071][ C0] !!!!! css_killed_ref_fn css ffff88810f184400 !!!
[ 51.965614][ C0] !!!!! css_killed_ref_fn css ffff88810f2c6000 !!!
[ 51.972129][ C0] !!!!! css_killed_ref_fn css ffff88810f2c5400 !!!
[ 51.978709][ T50] !!!!! css_release css ffff88810f184400 !!!
[ 51.984727][ T50] !!!!! css_release css ffff88810f2c5400 !!!
[ 51.990859][ T515] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 51.991130][ T532] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 51.997535][ T528] FAULT_INJECTION: forcing a failure.
[ 51.997535][ T528] name failslab, interval 1, probability 0, space 0, times 0
[ 52.016345][ T528] CPU: 1 PID: 528 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 52.027877][ T528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 52.037915][ T528] Call Trace:
[ 52.041186][ T528] dump_stack+0x19c/0x1e2
[ 52.045494][ T528] should_fail+0x3f7/0x5b0
[ 52.049890][ T528] __should_failslab+0xd2/0x130
[ 52.054724][ T528] should_failslab+0x9/0x20
[ 52.059219][ T528] slab_pre_alloc_hook+0x25/0xe0
[ 52.064143][ T528] ? __kernfs_new_node+0x4c/0x6d0
[ 52.069153][ T528] __kmalloc_track_caller+0x70/0x300
[ 52.074637][ T528] ? __kernfs_new_node+0x4c/0x6d0
[ 52.079725][ T528] kstrdup_const+0x55/0x90
[ 52.084302][ T528] __kernfs_new_node+0x4c/0x6d0
[ 52.089137][ T528] ? string+0x29f/0x2b0
[ 52.093288][ T528] ? vsnprintf+0x1a6c/0x1b30
[ 52.097977][ T528] kernfs_new_node+0x97/0x170
[ 52.102728][ T528] __kernfs_create_file+0x4a/0x270
[ 52.107819][ T528] cgroup_addrm_files+0x99e/0xeb0
[ 52.112821][ T528] ? delete_node+0x747/0x7a0
[ 52.117541][ T528] css_populate_dir+0x137/0x370
[ 52.122471][ T528] cgroup_apply_control_enable+0x5cd/0xf70
[ 52.128255][ T528] cgroup_apply_control+0x36/0x710
[ 52.133876][ T528] ? init_wait_entry+0xe0/0xe0
[ 52.138620][ T528] ? cgroup_kn_lock_live+0x1af/0x370
[ 52.143900][ T528] cgroup_subtree_control_write+0xd05/0x12d0
[ 52.149881][ T528] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 52.156105][ T528] cgroup_file_write+0x22f/0x4f0
[ 52.161023][ T528] kernfs_fop_write_iter+0x2cd/0x410
[ 52.166377][ T528] ? cgroup_seqfile_stop+0xc0/0xc0
[ 52.171484][ T528] vfs_write+0xb57/0xe50
[ 52.175885][ T528] ksys_write+0x157/0x260
[ 52.180200][ T528] __x64_sys_write+0x7b/0x90
[ 52.184792][ T528] do_syscall_64+0x34/0x70
[ 52.189234][ T528] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 52.195204][ T528] RIP: 0033:0x7f9216a470e9
2022/06/01 17:53:48 executed programs: 39
[ 52.199719][ T528] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 52.221108][ T528] RSP: 002b:00007f92169bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 52.230561][ T528] RAX: ffffffffffffffda RBX: 00007f9216b59f60 RCX: 00007f9216a470e9
[ 52.238881][ T528] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 52.246845][ T528] RBP: 00007f92169bd1d0 R08: 0000000000000000 R09: 0000000000000000
[ 52.254815][ T528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 52.262950][ T528] R13: 00007ffdf497e50f R14: 00007f92169bd300 R15: 0000000000022000
[ 52.271114][ T528] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 52.278241][ T528] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 52.286886][ T413] ------------[ cut here ]------------
[ 52.292529][ T413] WARNING: CPU: 0 PID: 413 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 52.301525][ T413] Modules linked in:
[ 52.305506][ T413] CPU: 0 PID: 413 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 52.317061][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 52.327170][ T413] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 52.332827][ T413] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 52.352563][ T413] RSP: 0018:ffffc90000f07dd0 EFLAGS: 00010293
[ 52.358658][ T413] RAX: ffffffff81af1a0c RBX: ffff88810d52dd60 RCX: ffff8881025d4c40
[ 52.366664][ T413] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 52.374658][ T413] RBP: ffffc90000f07e40 R08: ffffffff81af1737 R09: fffff520001e0fb2
[ 52.382649][ T413] R10: fffff520001e0fb2 R11: 1ffff920001e0fb1 R12: dffffc0000000000
[ 52.390735][ T413] R13: ffff88810d52dc80 R14: 00000000ffffffff R15: 0000000000000000
[ 52.398705][ T413] FS: 000055555691f400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 52.407658][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.414270][ T413] CR2: 00007ffdf497cf28 CR3: 000000010938a000 CR4: 00000000003506b0
[ 52.422450][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 52.432532][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 52.440713][ T413] Call Trace:
[ 52.444356][ T413] path_umount+0x1ad/0xed0
[ 52.448764][ T413] __x64_sys_umount+0xe8/0x110
[ 52.453641][ T413] do_syscall_64+0x34/0x70
[ 52.458076][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 52.464070][ T413] RIP: 0033:0x7f9216a48557
[ 52.468578][ T413] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 52.488435][ T413] RSP: 002b:00007ffdf497d668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 52.497905][ T413] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9216a48557
[ 52.505998][ T413] RDX: 00007ffdf497d739 RSI: 000000000000000a RDI: 00007ffdf497d730
[ 52.514344][ T413] RBP: 00007ffdf497d730 R08: 00000000ffffffff R09: 00007ffdf497d500
[ 52.522347][ T413] R10: 0000555556920ba3 R11: 0000000000000246 R12: 00007f9216aa01f8
[ 52.530348][ T413] R13: 00007ffdf497e7f0 R14: 0000555556920b00 R15: 00007ffdf497e830
[ 52.538309][ T413] ---[ end trace 84e0bdab5464fe29 ]---
[ 52.544112][ T413] ------------[ cut here ]------------
[ 52.549948][ T413] WARNING: CPU: 0 PID: 413 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510
[ 52.550030][ C1] !!!!! css_killed_ref_fn css ffff88810f3db400 !!!
[ 52.558726][ T413] Modules linked in:
[ 52.565213][ C1] !!!!! css_killed_ref_fn css ffff88810f3d9800 !!!
[ 52.565243][ T413]
[ 52.569191][ C1] !!!!! css_killed_ref_fn css ffff88810f3db000 !!!
[ 52.569317][ T373] !!!!! css_release css ffff88810f3db400 !!!
[ 52.575760][ T413] CPU: 0 PID: 413 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 52.578659][ T373] !!!!! css_release css ffff88810f3d9800 !!!
[ 52.584972][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 52.591776][ T538] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 52.604180][ T413] RIP: 0010:cleanup_mnt+0x4c5/0x510
[ 52.604191][ T413] Code: b3 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e e6 b8 ff 48 8b 7d d0 e8 15 c9 04 00 e9 21 fd ff ff e8 1b e6 b8 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 e0 1f 86 80 e1 07 80 c1 03 38 c1
[ 52.604197][ T413] RSP: 0018:ffffc90000f07e30 EFLAGS: 00010293
[ 52.611655][ T509] FAULT_INJECTION: forcing a failure.
[ 52.611655][ T509] name failslab, interval 1, probability 0, space 0, times 0
[ 52.623557][ T413] RAX: ffffffff81b024d5 RBX: ffffe8ffffd425f4 RCX: ffff8881025d4c40
[ 52.623572][ T413] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 52.630533][ T509] CPU: 1 PID: 509 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 52.635231][ T413] RBP: ffffc90000f07e80 R08: ffffffff81b021b3 R09: fffff520001e0fcd
[ 52.654807][ T509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 52.654811][ T509] Call Trace:
[ 52.654827][ T509] dump_stack+0x19c/0x1e2
[ 52.654838][ T509] should_fail+0x3f7/0x5b0
[ 52.654847][ T509] __should_failslab+0xd2/0x130
[ 52.654863][ T509] should_failslab+0x9/0x20
[ 52.660918][ T413] R10: fffff520001e0fcd R11: 1ffff920001e0fcc R12: ffff88810d52dcc8
[ 52.673472][ T509] slab_pre_alloc_hook+0x25/0xe0
[ 52.673487][ T509] kmem_cache_alloc_trace+0x47/0x2b0
[ 52.681438][ T413] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff
[ 52.689399][ T509] ? pids_css_alloc+0x4e/0x120
[ 52.689415][ T509] pids_css_alloc+0x4e/0x120
[ 52.700933][ T413] FS: 000055555691f400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 52.708888][ T509] cgroup_apply_control_enable+0x381/0xf70
[ 52.719027][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.722274][ T509] cgroup_apply_control+0x36/0x710
[ 52.726569][ T413] CR2: 00007ffdf497cf28 CR3: 000000010938a000 CR4: 00000000003506b0
[ 52.730952][ T509] ? init_wait_entry+0xe0/0xe0
[ 52.730967][ T509] ? cgroup_kn_lock_live+0x1af/0x370
[ 52.735782][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 52.740251][ T509] cgroup_subtree_control_write+0xd05/0x12d0
[ 52.740267][ T509] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 52.748220][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 52.753132][ T509] cgroup_file_write+0x22f/0x4f0
[ 52.753148][ T509] kernfs_fop_write_iter+0x2cd/0x410
[ 52.758467][ T413] Call Trace:
[ 52.766497][ T509] ? cgroup_seqfile_stop+0xc0/0xc0
[ 52.766506][ T509] vfs_write+0xb57/0xe50
[ 52.766520][ T509] ksys_write+0x157/0x260
[ 52.771268][ T413] __cleanup_mnt+0x19/0x20
[ 52.775818][ T509] __x64_sys_write+0x7b/0x90
[ 52.784729][ T413] task_work_run+0x147/0x1b0
[ 52.790500][ T509] do_syscall_64+0x34/0x70
[ 52.790516][ T509] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 52.797073][ T413] exit_to_user_mode_loop+0xc8/0xe0
[ 52.802144][ T509] RIP: 0033:0x7fbd869e10e9
[ 52.802154][ T509] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 52.802166][ T509] RSP: 002b:00007fbd86936168 EFLAGS: 00000246
[ 52.810122][ T413] syscall_exit_to_user_mode+0x77/0xa0
[ 52.814848][ T509] ORIG_RAX: 0000000000000001
[ 52.820134][ T413] do_syscall_64+0x40/0x70
[ 52.828095][ T509] RAX: ffffffffffffffda RBX: 00007fbd86af4030 RCX: 00007fbd869e10e9
[ 52.834113][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 52.840019][ T509] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 52.840026][ T509] RBP: 00007fbd869361d0 R08: 0000000000000000 R09: 0000000000000000
[ 52.840041][ T509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 52.847990][ T413] RIP: 0033:0x7f9216a48557
[ 52.852887][ T509] R13: 00007ffc2d31856f R14: 00007fbd86936300 R15: 0000000000022000
[ 52.855585][ T509] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 52.858171][ T413] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 52.858179][ T413] RSP: 002b:00007ffdf497d668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 52.858198][ T413] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9216a48557
[ 53.041517][ T413] RDX: 00007ffdf497d739 RSI: 000000000000000a RDI: 00007ffdf497d730
[ 53.049810][ T413] RBP: 00007ffdf497d730 R08: 00000000ffffffff R09: 00007ffdf497d500
[ 53.050472][ C1] !!!!! css_killed_ref_fn css ffff88810f42b000 !!!
[ 53.057802][ T413] R10: 0000555556920ba3 R11: 0000000000000246 R12: 00007f9216aa01f8
[ 53.057818][ T413] R13: 00007ffdf497e7f0 R14: 0000555556920b00 R15: 00007ffdf497e830
[ 53.064407][ C1] !!!!! css_killed_ref_fn css ffff88810f42a400 !!!
[ 53.064659][ T373] !!!!! css_release css ffff88810f42b000 !!!
[ 53.073272][ T413] ---[ end trace 84e0bdab5464fe2a ]---
[ 53.080776][ T378] !!!!! css_release css ffff88810f42a400 !!!
[ 53.105033][ T539] FAULT_INJECTION: forcing a failure.
[ 53.105033][ T539] name failslab, interval 1, probability 0, space 0, times 0
[ 53.105222][ T541] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 53.117961][ T539] CPU: 0 PID: 539 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 53.135604][ T539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 53.145723][ T539] Call Trace:
[ 53.149437][ T539] dump_stack+0x19c/0x1e2
[ 53.153750][ T539] should_fail+0x3f7/0x5b0
[ 53.158153][ T539] __should_failslab+0xd2/0x130
[ 53.162988][ T539] should_failslab+0x9/0x20
[ 53.167476][ T539] slab_pre_alloc_hook+0x25/0xe0
[ 53.172393][ T539] kmem_cache_alloc_trace+0x47/0x2b0
[ 53.177662][ T539] ? percpu_ref_init+0xd0/0x330
[ 53.182579][ T539] percpu_ref_init+0xd0/0x330
[ 53.187230][ T539] ? cgroup_setup_root+0x8a0/0x8a0
[ 53.192405][ T539] cgroup_apply_control_enable+0x3d2/0xf70
[ 53.198285][ T539] cgroup_apply_control+0x36/0x710
[ 53.203379][ T539] ? init_wait_entry+0xe0/0xe0
[ 53.208132][ T539] ? cgroup_kn_lock_live+0x1af/0x370
[ 53.213855][ T539] cgroup_subtree_control_write+0xd05/0x12d0
[ 53.220007][ T539] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 53.225994][ T539] cgroup_file_write+0x22f/0x4f0
[ 53.230922][ T539] kernfs_fop_write_iter+0x2cd/0x410
[ 53.236373][ T539] ? cgroup_seqfile_stop+0xc0/0xc0
[ 53.241460][ T539] vfs_write+0xb57/0xe50
[ 53.245687][ T539] ksys_write+0x157/0x260
[ 53.249996][ T539] __x64_sys_write+0x7b/0x90
[ 53.254568][ T539] do_syscall_64+0x34/0x70
[ 53.258977][ T539] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 53.264848][ T539] RIP: 0033:0x7fb7f2ddf0e9
[ 53.269325][ T539] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 53.288922][ T539] RSP: 002b:00007fb7f2d34168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 53.297314][ T539] RAX: ffffffffffffffda RBX: 00007fb7f2ef2030 RCX: 00007fb7f2ddf0e9
[ 53.305322][ T539] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 53.313275][ T539] RBP: 00007fb7f2d341d0 R08: 0000000000000000 R09: 0000000000000000
[ 53.321828][ T539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 53.329864][ T539] R13: 00007fffc859aa1f R14: 00007fb7f2d34300 R15: 0000000000022000
[ 53.339899][ T539] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 53.379093][ C1] !!!!! css_killed_ref_fn css ffff88810f443800 !!!
[ 53.385725][ C1] !!!!! css_killed_ref_fn css ffff88810f440c00 !!!
[ 53.392571][ T373] !!!!! css_release css ffff88810f443800 !!!
[ 53.398592][ T373] !!!!! css_release css ffff88810f440c00 !!!
[ 53.405093][ T516] FAULT_INJECTION: forcing a failure.
[ 53.405093][ T516] name failslab, interval 1, probability 0, space 0, times 0
[ 53.418233][ T516] CPU: 0 PID: 516 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 53.431909][ T516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 53.442432][ T516] Call Trace:
[ 53.446114][ T516] dump_stack+0x19c/0x1e2
[ 53.451053][ T516] should_fail+0x3f7/0x5b0
[ 53.457311][ T516] __should_failslab+0xd2/0x130
[ 53.462143][ T516] should_failslab+0x9/0x20
[ 53.466647][ T516] slab_pre_alloc_hook+0x25/0xe0
[ 53.471559][ T516] kmem_cache_alloc_trace+0x47/0x2b0
[ 53.476827][ T516] ? percpu_ref_init+0xd0/0x330
[ 53.481671][ T516] percpu_ref_init+0xd0/0x330
[ 53.486408][ T516] ? cgroup_setup_root+0x8a0/0x8a0
[ 53.491492][ T516] cgroup_apply_control_enable+0x3d2/0xf70
[ 53.497278][ T516] cgroup_apply_control+0x36/0x710
[ 53.502367][ T516] ? init_wait_entry+0xe0/0xe0
[ 53.507115][ T516] ? cgroup_kn_lock_live+0x1af/0x370
[ 53.512560][ T516] cgroup_subtree_control_write+0xd05/0x12d0
[ 53.518532][ T516] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 53.524485][ T516] cgroup_file_write+0x22f/0x4f0
[ 53.529408][ T516] kernfs_fop_write_iter+0x2cd/0x410
[ 53.534764][ T516] ? cgroup_seqfile_stop+0xc0/0xc0
[ 53.539880][ T516] vfs_write+0xb57/0xe50
[ 53.544115][ T516] ksys_write+0x157/0x260
[ 53.548422][ T516] __x64_sys_write+0x7b/0x90
[ 53.552999][ T516] do_syscall_64+0x34/0x70
[ 53.557448][ T516] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 53.563321][ T516] RIP: 0033:0x7f499fc5c0e9
[ 53.567722][ T516] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 53.587611][ T516] RSP: 002b:00007f499fbb1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 53.596213][ T516] RAX: ffffffffffffffda RBX: 00007f499fd6f030 RCX: 00007f499fc5c0e9
[ 53.604256][ T516] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 53.612739][ T516] RBP: 00007f499fbb11d0 R08: 0000000000000000 R09: 0000000000000000
[ 53.620971][ T516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 53.628922][ T516] R13: 00007fffd52c57bf R14: 00007f499fbb1300 R15: 0000000000022000
[ 53.637277][ T516] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 53.645933][ T408] ------------[ cut here ]------------
[ 53.651545][ T408] WARNING: CPU: 0 PID: 408 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 53.660588][ T408] Modules linked in:
[ 53.664476][ T408] CPU: 0 PID: 408 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 53.676281][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 53.686552][ T408] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 53.692198][ T408] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 53.711809][ T408] RSP: 0018:ffffc90000eb7d58 EFLAGS: 00010293
[ 53.718036][ T408] RAX: ffffffff81af1a0c RBX: ffff88810d52c0e0 RCX: ffff8881025feac0
[ 53.726261][ T408] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 53.734234][ T408] RBP: ffffc90000eb7dc8 R08: ffffffff81af1737 R09: fffff520001d6fa3
[ 53.742781][ T408] R10: fffff520001d6fa3 R11: 1ffff920001d6fa2 R12: dffffc0000000000
[ 53.750756][ T408] R13: ffff88810d52c000 R14: 00000000ffffffff R15: 0000000000000000
[ 53.758889][ T408] FS: 000055555729a400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 53.767811][ T408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.775022][ T408] CR2: 00007fb7f32f6000 CR3: 000000011848a000 CR4: 00000000003506b0
[ 53.783291][ T408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 53.791282][ T408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 53.799606][ T408] Call Trace:
[ 53.802881][ T408] ? init_wait_entry+0xe0/0xe0
[ 53.807630][ T408] ? up_write+0x68/0x140
[ 53.812421][ T408] namespace_unlock+0x377/0x420
[ 53.817260][ T408] path_umount+0xe23/0xed0
[ 53.821688][ T408] __x64_sys_umount+0xe8/0x110
[ 53.827162][ T408] do_syscall_64+0x34/0x70
[ 53.831594][ T408] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 53.837482][ T408] RIP: 0033:0x7f499fc5d557
[ 53.842019][ T408] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 53.861808][ T408] RSP: 002b:00007fffd52c4918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 53.870271][ T408] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f499fc5d557
[ 53.878692][ T408] RDX: 00007fffd52c49e9 RSI: 000000000000000a RDI: 00007fffd52c49e0
[ 53.886681][ T408] RBP: 00007fffd52c49e0 R08: 00000000ffffffff R09: 00007fffd52c47b0
[ 53.895003][ T408] R10: 000055555729bba3 R11: 0000000000000246 R12: 00007f499fcb51f8
[ 53.903072][ T408] R13: 00007fffd52c5aa0 R14: 000055555729bb00 R15: 00007fffd52c5ae0
[ 53.911049][ T408] ---[ end trace 84e0bdab5464fe2b ]---
[ 53.916909][ T408] ------------[ cut here ]------------
[ 53.922602][ T408] WARNING: CPU: 0 PID: 408 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 53.931570][ C0] !!!!! css_killed_ref_fn css ffff88810f5b8800 !!!
[ 53.931589][ C0] !!!!! css_killed_ref_fn css ffff88810f5b8c00 !!!
[ 53.944574][ T408] Modules linked in:
[ 53.948461][ T408] CPU: 0 PID: 408 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 53.959981][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 53.970166][ T408] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 53.975779][ T408] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 53.995736][ T408] RSP: 0018:ffffc90000eb7dd0 EFLAGS: 00010293
[ 54.001808][ T408] RAX: ffffffff81af1a0c RBX: ffff88810d52c0e0 RCX: ffff8881025feac0
[ 54.009772][ T408] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 54.017812][ T408] RBP: ffffc90000eb7e40 R08: ffffffff81af1737 R09: fffff520001d6fb2
[ 54.025862][ T408] R10: fffff520001d6fb2 R11: 1ffff920001d6fb1 R12: dffffc0000000000
[ 54.033828][ T408] R13: ffff88810d52c000 R14: 00000000fffffffe R15: 0000000000000000
[ 54.041885][ T408] FS: 000055555729a400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 54.050930][ T408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.057495][ T408] CR2: 00007fb7f32f6000 CR3: 000000011848a000 CR4: 00000000003506b0
[ 54.065631][ T408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 54.073681][ T408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 54.081796][ T408] Call Trace:
[ 54.085078][ T408] path_umount+0x1ad/0xed0
[ 54.089747][ T408] __x64_sys_umount+0xe8/0x110
[ 54.094576][ T408] do_syscall_64+0x34/0x70
[ 54.099017][ T408] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 54.104928][ T408] RIP: 0033:0x7f499fc5d557
[ 54.109342][ T408] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 54.129301][ T408] RSP: 002b:00007fffd52c4918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 54.137888][ T408] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f499fc5d557
[ 54.145850][ T408] RDX: 00007fffd52c49e9 RSI: 000000000000000a RDI: 00007fffd52c49e0
[ 54.153809][ T408] RBP: 00007fffd52c49e0 R08: 00000000ffffffff R09: 00007fffd52c47b0
[ 54.161864][ T408] R10: 000055555729bba3 R11: 0000000000000246 R12: 00007f499fcb51f8
[ 54.169826][ T408] R13: 00007fffd52c5aa0 R14: 000055555729bb00 R15: 00007fffd52c5ae0
[ 54.177866][ T408] ---[ end trace 84e0bdab5464fe2c ]---
[ 54.183480][ T5] !!!!! css_release css ffff88810f5b8800 !!!
[ 54.194650][ T533] FAULT_INJECTION: forcing a failure.
[ 54.194650][ T533] name failslab, interval 1, probability 0, space 0, times 0
[ 54.209976][ T533] CPU: 0 PID: 533 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 54.221498][ T533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 54.231532][ T533] Call Trace:
[ 54.234812][ T533] dump_stack+0x19c/0x1e2
[ 54.239129][ T533] should_fail+0x3f7/0x5b0
[ 54.243531][ T533] __should_failslab+0xd2/0x130
[ 54.248368][ T533] should_failslab+0x9/0x20
[ 54.252951][ T533] slab_pre_alloc_hook+0x25/0xe0
[ 54.258053][ T533] kmem_cache_alloc_trace+0x47/0x2b0
[ 54.263342][ T533] ? percpu_ref_init+0xd0/0x330
[ 54.268271][ T533] percpu_ref_init+0xd0/0x330
[ 54.273046][ T533] ? cgroup_setup_root+0x8a0/0x8a0
[ 54.278327][ T533] cgroup_apply_control_enable+0x3d2/0xf70
[ 54.284223][ T533] cgroup_apply_control+0x36/0x710
[ 54.289418][ T533] ? init_wait_entry+0xe0/0xe0
[ 54.294199][ T533] ? cgroup_kn_lock_live+0x1af/0x370
[ 54.299468][ T533] cgroup_subtree_control_write+0xd05/0x12d0
[ 54.305422][ T533] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 54.311469][ T533] cgroup_file_write+0x22f/0x4f0
[ 54.316384][ T533] kernfs_fop_write_iter+0x2cd/0x410
[ 54.321646][ T533] ? cgroup_seqfile_stop+0xc0/0xc0
[ 54.326738][ T533] vfs_write+0xb57/0xe50
[ 54.330969][ T533] ksys_write+0x157/0x260
[ 54.335391][ T533] __x64_sys_write+0x7b/0x90
[ 54.339961][ T533] do_syscall_64+0x34/0x70
[ 54.344359][ T533] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 54.350250][ T533] RIP: 0033:0x7f9295a4b0e9
[ 54.354662][ T533] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 54.374439][ T533] RSP: 002b:00007f92959a0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 54.383031][ T533] RAX: ffffffffffffffda RBX: 00007f9295b5e030 RCX: 00007f9295a4b0e9
[ 54.390991][ T533] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 54.398979][ T533] RBP: 00007f92959a01d0 R08: 0000000000000000 R09: 0000000000000000
[ 54.406944][ T533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 54.414905][ T533] R13: 00007ffea8f54faf R14: 00007f92959a0300 R15: 0000000000022000
[ 54.423441][ T533] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 54.432158][ T414] ------------[ cut here ]------------
[ 54.437647][ T414] WARNING: CPU: 1 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 54.446631][ T414] Modules linked in:
[ 54.450537][ T414] CPU: 1 PID: 414 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 54.462162][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 54.472231][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 54.477840][ T414] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 54.497444][ T414] RSP: 0018:ffffc90000f17d58 EFLAGS: 00010293
[ 54.503512][ T414] RAX: ffffffff81af1a0c RBX: ffff88810d52dee0 RCX: ffff8881025d2dc0
[ 54.511838][ T414] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000
[ 54.519817][ T414] RBP: ffffc90000f17dc8 R08: ffffffff81af1737 R09: fffff520001e2fa3
[ 54.527771][ T414] R10: fffff520001e2fa3 R11: 1ffff920001e2fa2 R12: dffffc0000000000
[ 54.535854][ T414] R13: ffff88810d52de00 R14: 00000000fffffffd R15: 0000000000000000
[ 54.543844][ T414] FS: 0000555555e34400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 54.553030][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.559614][ T414] CR2: 00007ffea8f53ff8 CR3: 000000010935e000 CR4: 00000000003506a0
[ 54.567753][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 54.575983][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 54.583961][ T414] Call Trace:
[ 54.587238][ T414] ? init_wait_entry+0xe0/0xe0
[ 54.592000][ T414] ? up_write+0x68/0x140
[ 54.596224][ T414] namespace_unlock+0x377/0x420
[ 54.601280][ T414] path_umount+0xe23/0xed0
[ 54.605715][ T414] __x64_sys_umount+0xe8/0x110
[ 54.610767][ T414] do_syscall_64+0x34/0x70
[ 54.615192][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 54.621118][ T414] RIP: 0033:0x7f9295a4c557
[ 54.625531][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 54.645167][ T414] RSP: 002b:00007ffea8f54108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 54.653589][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9295a4c557
[ 54.661561][ T414] RDX: 00007ffea8f541d9 RSI: 000000000000000a RDI: 00007ffea8f541d0
[ 54.669545][ T414] RBP: 00007ffea8f541d0 R08: 00000000ffffffff R09: 00007ffea8f53fa0
[ 54.677677][ T414] R10: 0000555555e35ba3 R11: 0000000000000246 R12: 00007f9295aa41f8
[ 54.685953][ T414] R13: 00007ffea8f55290 R14: 0000555555e35b00 R15: 00007ffea8f552d0
[ 54.694042][ T414] ---[ end trace 84e0bdab5464fe2d ]---
[ 54.701091][ T414] ------------[ cut here ]------------
[ 54.706559][ T414] WARNING: CPU: 1 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 54.715501][ T414] Modules linked in:
[ 54.719457][ T414] CPU: 1 PID: 414 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 54.731005][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 54.741158][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 54.746769][ T414] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 54.766403][ T414] RSP: 0018:ffffc90000f17dd0 EFLAGS: 00010293
[ 54.772486][ T414] RAX: ffffffff81af1a0c RBX: ffff88810d52dee0 RCX: ffff8881025d2dc0
[ 54.780469][ T414] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: 0000000000000000
[ 54.788434][ T414] RBP: ffffc90000f17e40 R08: ffffffff81af1737 R09: fffff520001e2fb2
[ 54.796505][ T414] R10: fffff520001e2fb2 R11: 1ffff920001e2fb1 R12: dffffc0000000000
[ 54.804563][ T414] R13: ffff88810d52de00 R14: 00000000fffffffc R15: 0000000000000000
[ 54.812557][ T414] FS: 0000555555e34400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 54.821688][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.828253][ T414] CR2: 00007f49a0173000 CR3: 000000010935e000 CR4: 00000000003506a0
[ 54.836270][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 54.844253][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 54.852251][ T414] Call Trace:
[ 54.855528][ T414] path_umount+0x1ad/0xed0
[ 54.859954][ T414] __x64_sys_umount+0xe8/0x110
[ 54.864817][ T414] do_syscall_64+0x34/0x70
[ 54.869247][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 54.875118][ T414] RIP: 0033:0x7f9295a4c557
[ 54.879558][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 54.899183][ T414] RSP: 002b:00007ffea8f54108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 54.907683][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9295a4c557
[ 54.915672][ T414] RDX: 00007ffea8f541d9 RSI: 000000000000000a RDI: 00007ffea8f541d0
[ 54.923645][ T414] RBP: 00007ffea8f541d0 R08: 00000000ffffffff R09: 00007ffea8f53fa0
[ 54.931636][ T414] R10: 0000555555e35ba3 R11: 0000000000000246 R12: 00007f9295aa41f8
[ 54.939621][ T414] R13: 00007ffea8f55290 R14: 0000555555e35b00 R15: 00007ffea8f552d0
[ 54.947674][ T414] ---[ end trace 84e0bdab5464fe2e ]---
[ 54.959151][ C0] !!!!! css_killed_ref_fn css ffff88810fcf3c00 !!!
[ 54.966028][ C0] !!!!! css_killed_ref_fn css ffff88810fcf2c00 !!!
[ 54.972921][ T377] !!!!! css_release css ffff88810fcf3c00 !!!
[ 54.979019][ T377] !!!!! css_release css ffff88810fcf2c00 !!!
[ 54.985148][ T561] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 54.985164][ T562] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 54.991923][ T559] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 54.998369][ T543] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 55.005130][ T544] FAULT_INJECTION: forcing a failure.
[ 55.005130][ T544] name failslab, interval 1, probability 0, space 0, times 0
[ 55.023939][ T544] CPU: 0 PID: 544 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 55.039704][ T544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.049752][ T544] Call Trace:
[ 55.053028][ T544] dump_stack+0x19c/0x1e2
[ 55.058151][ T544] should_fail+0x3f7/0x5b0
[ 55.062549][ T544] __should_failslab+0xd2/0x130
[ 55.067649][ T544] should_failslab+0x9/0x20
[ 55.072155][ T544] slab_pre_alloc_hook+0x25/0xe0
[ 55.077085][ T544] kmem_cache_alloc_trace+0x47/0x2b0
[ 55.082370][ T544] ? percpu_ref_init+0xd0/0x330
[ 55.087201][ T544] percpu_ref_init+0xd0/0x330
[ 55.091943][ T544] ? cgroup_setup_root+0x8a0/0x8a0
[ 55.097150][ T544] cgroup_apply_control_enable+0x3d2/0xf70
[ 55.102964][ T544] cgroup_apply_control+0x36/0x710
[ 55.108165][ T544] ? init_wait_entry+0xe0/0xe0
[ 55.112920][ T544] ? cgroup_kn_lock_live+0x1af/0x370
[ 55.118882][ T544] cgroup_subtree_control_write+0xd05/0x12d0
[ 55.124912][ T544] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 55.130964][ T544] cgroup_file_write+0x22f/0x4f0
[ 55.135987][ T544] kernfs_fop_write_iter+0x2cd/0x410
[ 55.142297][ T544] ? cgroup_seqfile_stop+0xc0/0xc0
[ 55.147581][ T544] vfs_write+0xb57/0xe50
[ 55.151971][ T544] ksys_write+0x157/0x260
[ 55.156469][ T544] __x64_sys_write+0x7b/0x90
[ 55.161134][ T544] do_syscall_64+0x34/0x70
[ 55.165859][ T544] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 55.171964][ T544] RIP: 0033:0x7fbd869e10e9
[ 55.176360][ T544] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 55.196337][ T544] RSP: 002b:00007fbd86936168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 55.204834][ T544] RAX: ffffffffffffffda RBX: 00007fbd86af4030 RCX: 00007fbd869e10e9
[ 55.212797][ T544] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 55.220757][ T544] RBP: 00007fbd869361d0 R08: 0000000000000000 R09: 0000000000000000
[ 55.228804][ T544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 55.236755][ T544] R13: 00007ffc2d31856f R14: 00007fbd86936300 R15: 0000000000022000
[ 55.245741][ T544] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 55.253727][ T410] ------------[ cut here ]------------
[ 55.259247][ T410] WARNING: CPU: 1 PID: 410 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 55.268164][ T410] Modules linked in:
[ 55.272120][ T410] CPU: 1 PID: 410 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 55.283838][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.293937][ T410] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 55.299586][ T410] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 55.319212][ T410] RSP: 0018:ffffc90000ed7dd0 EFLAGS: 00010293
[ 55.325285][ T410] RAX: ffffffff81af1a0c RBX: ffff88810f3c32e0 RCX: ffff888105261e80
[ 55.333377][ T410] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 55.341452][ T410] RBP: ffffc90000ed7e40 R08: ffffffff81af1737 R09: fffff520001dafb2
[ 55.349534][ T410] R10: fffff520001dafb2 R11: 1ffff920001dafb1 R12: dffffc0000000000
[ 55.357526][ T410] R13: ffff88810f3c3200 R14: 00000000ffffffff R15: 0000000000000000
[ 55.366605][ T410] FS: 0000555556ffa400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 55.375691][ T410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 55.382296][ T410] CR2: 00007ffc2d316f88 CR3: 000000010920c000 CR4: 00000000003506a0
[ 55.390372][ T410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 55.398325][ T410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 55.406312][ T410] Call Trace:
[ 55.409616][ T410] path_umount+0x1ad/0xed0
[ 55.414011][ T410] __x64_sys_umount+0xe8/0x110
[ 55.418749][ T410] do_syscall_64+0x34/0x70
[ 55.423181][ T410] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 55.429088][ T410] RIP: 0033:0x7fbd869e2557
[ 55.433481][ T410] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 55.453247][ T410] RSP: 002b:00007ffc2d3176c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 55.461784][ T410] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbd869e2557
[ 55.469788][ T410] RDX: 00007ffc2d317799 RSI: 000000000000000a RDI: 00007ffc2d317790
[ 55.477755][ T410] RBP: 00007ffc2d317790 R08: 00000000ffffffff R09: 00007ffc2d317560
[ 55.485747][ T410] R10: 0000555556ffbba3 R11: 0000000000000246 R12: 00007fbd86a3a1f8
[ 55.493828][ T410] R13: 00007ffc2d318850 R14: 0000555556ffbb00 R15: 00007ffc2d318890
[ 55.501824][ T410] ---[ end trace 84e0bdab5464fe2f ]---
[ 55.507640][ T410] ------------[ cut here ]------------
[ 55.513138][ T410] WARNING: CPU: 1 PID: 410 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510
[ 55.519065][ C0] !!!!! css_killed_ref_fn css ffff88810feaa000 !!!
[ 55.521669][ T410] Modules linked in:
[ 55.528192][ C0] !!!!! css_killed_ref_fn css ffff88810feaa400 !!!
[ 55.532085][ T410] CPU: 1 PID: 410 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 55.538738][ T377] !!!!! css_release css ffff88810feaa000 !!!
[ 55.550201][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.566331][ T545] FAULT_INJECTION: forcing a failure.
[ 55.566331][ T545] name failslab, interval 1, probability 0, space 0, times 0
[ 55.569190][ T410] RIP: 0010:cleanup_mnt+0x4c5/0x510
[ 55.579139][ T545] CPU: 1 PID: 545 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 55.584448][ T410] Code: b3 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e e6 b8 ff 48 8b 7d d0 e8 15 c9 04 00 e9 21 fd ff ff e8 1b e6 b8 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 e0 1f 86 80 e1 07 80 c1 03 38 c1
[ 55.595967][ T545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.595971][ T545] Call Trace:
[ 55.595985][ T545] dump_stack+0x19c/0x1e2
[ 55.595997][ T545] should_fail+0x3f7/0x5b0
[ 55.596006][ T545] __should_failslab+0xd2/0x130
[ 55.596023][ T545] should_failslab+0x9/0x20
[ 55.616018][ T410] RSP: 0018:ffffc90000ed7e30 EFLAGS: 00010293
[ 55.625748][ T545] slab_pre_alloc_hook+0x25/0xe0
[ 55.625759][ T545] ? __kernfs_new_node+0x4c/0x6d0
[ 55.625767][ T545] __kmalloc_track_caller+0x70/0x300
[ 55.625776][ T545] ? __kernfs_new_node+0x4c/0x6d0
[ 55.625790][ T545] kstrdup_const+0x55/0x90
[ 55.629407][ T410]
[ 55.633357][ T545] __kernfs_new_node+0x4c/0x6d0
[ 55.633366][ T545] ? string+0x29f/0x2b0
[ 55.633381][ T545] ? vsnprintf+0x1a6c/0x1b30
[ 55.637828][ T410] RAX: ffffffff81b024d5 RBX: ffffe8ffffd425f4 RCX: ffff888105261e80
[ 55.642590][ T545] kernfs_new_node+0x97/0x170
[ 55.642599][ T545] __kernfs_create_file+0x4a/0x270
[ 55.642610][ T545] cgroup_addrm_files+0x99e/0xeb0
[ 55.642621][ T545] ? delete_node+0x747/0x7a0
[ 55.642637][ T545] css_populate_dir+0x137/0x370
[ 55.647566][ T410] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 55.653149][ T545] cgroup_apply_control_enable+0x5cd/0xf70
[ 55.653160][ T545] cgroup_apply_control+0x36/0x710
[ 55.653168][ T545] ? init_wait_entry+0xe0/0xe0
[ 55.653177][ T545] ? cgroup_kn_lock_live+0x1af/0x370
[ 55.653194][ T545] cgroup_subtree_control_write+0xd05/0x12d0
[ 55.658446][ T410] RBP: ffffc90000ed7e80 R08: ffffffff81b021b3 R09: fffff520001dafcd
[ 55.663282][ T545] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 55.663292][ T545] cgroup_file_write+0x22f/0x4f0
[ 55.663302][ T545] kernfs_fop_write_iter+0x2cd/0x410
[ 55.663310][ T545] ? cgroup_seqfile_stop+0xc0/0xc0
[ 55.663325][ T545] vfs_write+0xb57/0xe50
[ 55.668974][ T410] R10: fffff520001dafcd R11: 1ffff920001dafcc R12: ffff88810f3c3248
[ 55.673572][ T545] ksys_write+0x157/0x260
[ 55.673582][ T545] __x64_sys_write+0x7b/0x90
[ 55.673591][ T545] do_syscall_64+0x34/0x70
[ 55.673602][ T545] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 55.673610][ T545] RIP: 0033:0x7f9216a470e9
[ 55.673627][ T545] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 55.678445][ T410] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff
[ 55.680318][ T545] RSP: 002b:00007f921699c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 55.680332][ T545] RAX: ffffffffffffffda RBX: 00007f9216b5a030 RCX: 00007f9216a470e9
[ 55.680339][ T545] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 55.680345][ T545] RBP: 00007f921699c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 55.680351][ T545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 55.680364][ T545] R13: 00007ffdf497e50f R14: 00007f921699c300 R15: 0000000000022000
[ 55.686436][ T410] FS: 0000555556ffa400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 55.689403][ T23] audit: type=1400 audit(1654106031.779:162): avc: denied { unlink } for pid=141 comm="syslogd" name="messages.0" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 55.694105][ T410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 55.702001][ T545] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 55.706976][ T410] CR2: 00007fb7f32f6000 CR3: 000000010920c000 CR4: 00000000003506b0
[ 55.712027][ T545] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 55.717051][ T410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 55.973750][ T410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 55.981939][ T410] Call Trace:
[ 55.982908][ C1] !!!!! css_killed_ref_fn css ffff88810ffb9000 !!!
[ 55.986569][ T410] __cleanup_mnt+0x19/0x20
[ 55.986590][ T410] task_work_run+0x147/0x1b0
[ 55.993200][ C1] !!!!! css_killed_ref_fn css ffff88810ffbd800 !!!
[ 55.993208][ C1] !!!!! css_killed_ref_fn css ffff88810ffbfc00 !!!
[ 55.993301][ T378] !!!!! css_release css ffff88810ffb9000 !!!
[ 55.997866][ T410] exit_to_user_mode_loop+0xc8/0xe0
[ 56.002460][ T378] !!!!! css_release css ffff88810ffbd800 !!!
[ 56.008842][ T410] syscall_exit_to_user_mode+0x77/0xa0
[ 56.015950][ T378] !!!!! css_release css ffff88810ffbfc00 !!!
[ 56.021433][ T410] do_syscall_64+0x40/0x70
[ 56.021446][ T410] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 56.021454][ T410] RIP: 0033:0x7fbd869e2557
[ 56.021473][ T410] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 56.026850][ T567] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 56.033079][ T562] FAULT_INJECTION: forcing a failure.
[ 56.033079][ T562] name failslab, interval 1, probability 0, space 0, times 0
[ 56.039856][ T410] RSP: 002b:00007ffc2d3176c8 EFLAGS: 00000246
[ 56.045377][ T562] CPU: 0 PID: 562 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 56.049788][ T410] ORIG_RAX: 00000000000000a6
[ 56.055418][ T562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.055422][ T562] Call Trace:
[ 56.055435][ T562] dump_stack+0x19c/0x1e2
[ 56.055453][ T562] should_fail+0x3f7/0x5b0
[ 56.060178][ T410] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fbd869e2557
[ 56.079417][ T562] __should_failslab+0xd2/0x130
[ 56.079425][ T562] should_failslab+0x9/0x20
[ 56.079434][ T562] slab_pre_alloc_hook+0x25/0xe0
[ 56.079444][ T562] ? __kernfs_new_node+0x4c/0x6d0
[ 56.079452][ T562] __kmalloc_track_caller+0x70/0x300
[ 56.079460][ T562] ? __kernfs_new_node+0x4c/0x6d0
[ 56.079475][ T562] kstrdup_const+0x55/0x90
[ 56.086238][ T410] RDX: 00007ffc2d317799 RSI: 000000000000000a RDI: 00007ffc2d317790
[ 56.098439][ T562] __kernfs_new_node+0x4c/0x6d0
[ 56.098448][ T562] ? string+0x29f/0x2b0
[ 56.098456][ T562] ? vsnprintf+0x1a6c/0x1b30
[ 56.098466][ T562] kernfs_new_node+0x97/0x170
[ 56.098481][ T562] __kernfs_create_file+0x4a/0x270
[ 56.105018][ T410] RBP: 00007ffc2d317790 R08: 00000000ffffffff R09: 00007ffc2d317560
[ 56.116416][ T562] cgroup_addrm_files+0x99e/0xeb0
[ 56.116430][ T562] ? delete_node+0x747/0x7a0
[ 56.116441][ T562] css_populate_dir+0x137/0x370
[ 56.116450][ T562] cgroup_apply_control_enable+0x5cd/0xf70
[ 56.116461][ T562] cgroup_apply_control+0x36/0x710
[ 56.116468][ T562] ? init_wait_entry+0xe0/0xe0
[ 56.116487][ T562] ? cgroup_kn_lock_live+0x1af/0x370
[ 56.121909][ T410] R10: 0000555556ffbba3 R11: 0000000000000246 R12: 00007fbd86a3a1f8
[ 56.132192][ T562] cgroup_subtree_control_write+0xd05/0x12d0
[ 56.132204][ T562] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 56.132213][ T562] cgroup_file_write+0x22f/0x4f0
[ 56.132222][ T562] kernfs_fop_write_iter+0x2cd/0x410
[ 56.132231][ T562] ? cgroup_seqfile_stop+0xc0/0xc0
[ 56.132240][ T562] vfs_write+0xb57/0xe50
[ 56.132258][ T562] ksys_write+0x157/0x260
[ 56.135963][ T410] R13: 00007ffc2d318850 R14: 0000555556ffbb00 R15: 00007ffc2d318890
[ 56.139828][ T562] __x64_sys_write+0x7b/0x90
[ 56.139838][ T562] do_syscall_64+0x34/0x70
[ 56.139848][ T562] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 56.139857][ T562] RIP: 0033:0x7f9295a4b0e9
[ 56.139867][ T562] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 56.139872][ T562] RSP: 002b:00007f92959c1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 56.139892][ T562] RAX: ffffffffffffffda RBX: 00007f9295b5df60 RCX: 00007f9295a4b0e9
[ 56.144696][ T410] ---[ end trace 84e0bdab5464fe30 ]---
[ 56.152255][ T562] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 56.152262][ T562] RBP: 00007f92959c11d0 R08: 0000000000000000 R09: 0000000000000000
[ 56.152267][ T562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 56.152274][ T562] R13: 00007ffea8f54faf R14: 00007f92959c1300 R15: 0000000000022000
[ 56.152499][ T562] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 56.426215][ T562] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 56.489113][ C1] !!!!! css_killed_ref_fn css ffff88810ff96800 !!!
[ 56.495733][ C1] !!!!! css_killed_ref_fn css ffff88810ff97c00 !!!
[ 56.502612][ C1] !!!!! css_killed_ref_fn css ffff88810ff97400 !!!
[ 56.509172][ T378] !!!!! css_release css ffff88810ff96800 !!!
[ 56.515436][ T378] !!!!! css_release css ffff88810ff97c00 !!!
[ 56.522093][ T565] FAULT_INJECTION: forcing a failure.
[ 56.522093][ T565] name failslab, interval 1, probability 0, space 0, times 0
[ 56.535015][ T565] CPU: 1 PID: 565 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 56.546890][ T565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.557438][ T565] Call Trace:
[ 56.560907][ T565] dump_stack+0x19c/0x1e2
[ 56.565403][ T565] should_fail+0x3f7/0x5b0
[ 56.570119][ T565] __should_failslab+0xd2/0x130
[ 56.575083][ T565] should_failslab+0x9/0x20
[ 56.579791][ T565] slab_pre_alloc_hook+0x25/0xe0
[ 56.584723][ T565] ? __kernfs_new_node+0x4c/0x6d0
[ 56.589736][ T565] __kmalloc_track_caller+0x70/0x300
[ 56.595089][ T565] ? __kernfs_new_node+0x4c/0x6d0
[ 56.600093][ T565] kstrdup_const+0x55/0x90
[ 56.604489][ T565] __kernfs_new_node+0x4c/0x6d0
[ 56.609318][ T565] ? string+0x29f/0x2b0
[ 56.613469][ T565] ? vsnprintf+0x1a6c/0x1b30
[ 56.618043][ T565] kernfs_new_node+0x97/0x170
[ 56.622800][ T565] __kernfs_create_file+0x4a/0x270
[ 56.628176][ T565] cgroup_addrm_files+0x99e/0xeb0
[ 56.633518][ T565] ? delete_node+0x747/0x7a0
[ 56.638894][ T565] css_populate_dir+0x137/0x370
[ 56.643926][ T565] cgroup_apply_control_enable+0x5cd/0xf70
[ 56.649811][ T565] cgroup_apply_control+0x36/0x710
[ 56.654898][ T565] ? init_wait_entry+0xe0/0xe0
[ 56.659637][ T565] ? cgroup_kn_lock_live+0x1af/0x370
[ 56.664902][ T565] cgroup_subtree_control_write+0xd05/0x12d0
[ 56.670947][ T565] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 56.677001][ T565] cgroup_file_write+0x22f/0x4f0
[ 56.681930][ T565] kernfs_fop_write_iter+0x2cd/0x410
[ 56.687408][ T565] ? cgroup_seqfile_stop+0xc0/0xc0
[ 56.692773][ T565] vfs_write+0xb57/0xe50
[ 56.697015][ T565] ksys_write+0x157/0x260
[ 56.701510][ T565] __x64_sys_write+0x7b/0x90
[ 56.706091][ T565] do_syscall_64+0x34/0x70
[ 56.710704][ T565] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 56.716590][ T565] RIP: 0033:0x7fb7f2ddf0e9
[ 56.721012][ T565] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 56.741187][ T565] RSP: 002b:00007fb7f2d34168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 56.749600][ T565] RAX: ffffffffffffffda RBX: 00007fb7f2ef2030 RCX: 00007fb7f2ddf0e9
[ 56.757678][ T565] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 56.765648][ T565] RBP: 00007fb7f2d341d0 R08: 0000000000000000 R09: 0000000000000000
[ 56.773673][ T565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 56.781634][ T565] R13: 00007fffc859aa1f R14: 00007fb7f2d34300 R15: 0000000000022000
[ 56.790129][ T565] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 56.797512][ T565] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 56.829088][ C1] !!!!! css_killed_ref_fn css ffff888110356000 !!!
[ 56.835750][ C1] !!!!! css_killed_ref_fn css ffff888110355400 !!!
[ 56.842281][ C1] !!!!! css_killed_ref_fn css ffff888110356400 !!!
[ 56.848830][ T378] !!!!! css_release css ffff888110356000 !!!
[ 56.854863][ T378] !!!!! css_release css ffff888110355400 !!!
[ 56.860987][ T378] !!!!! css_release css ffff888110356400 !!!
[ 56.867052][ T535] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 56.867406][ T564] FAULT_INJECTION: forcing a failure.
[ 56.867406][ T564] name failslab, interval 1, probability 0, space 0, times 0
[ 56.886112][ T564] CPU: 1 PID: 564 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 56.897799][ T564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.908154][ T564] Call Trace:
[ 56.911455][ T564] dump_stack+0x19c/0x1e2
[ 56.915873][ T564] should_fail+0x3f7/0x5b0
[ 56.920281][ T564] __should_failslab+0xd2/0x130
[ 56.925119][ T564] should_failslab+0x9/0x20
[ 56.929628][ T564] slab_pre_alloc_hook+0x25/0xe0
[ 56.934704][ T564] ? __kernfs_new_node+0x4c/0x6d0
[ 56.939716][ T564] __kmalloc_track_caller+0x70/0x300
[ 56.944984][ T564] ? __kernfs_new_node+0x4c/0x6d0
[ 56.949991][ T564] kstrdup_const+0x55/0x90
[ 56.954389][ T564] __kernfs_new_node+0x4c/0x6d0
[ 56.959212][ T564] ? string+0x29f/0x2b0
[ 56.963342][ T564] ? vsnprintf+0x1a6c/0x1b30
[ 56.967929][ T564] kernfs_new_node+0x97/0x170
[ 56.972591][ T564] __kernfs_create_file+0x4a/0x270
[ 56.977859][ T564] cgroup_addrm_files+0x99e/0xeb0
[ 56.982863][ T564] ? delete_node+0x747/0x7a0
[ 56.987432][ T564] css_populate_dir+0x137/0x370
[ 56.992263][ T564] cgroup_apply_control_enable+0x5cd/0xf70
[ 56.998144][ T564] cgroup_apply_control+0x36/0x710
[ 57.003250][ T564] ? init_wait_entry+0xe0/0xe0
[ 57.008141][ T564] ? cgroup_kn_lock_live+0x1af/0x370
[ 57.014124][ T564] cgroup_subtree_control_write+0xd05/0x12d0
[ 57.020100][ T564] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 57.026250][ T564] cgroup_file_write+0x22f/0x4f0
[ 57.031309][ T564] kernfs_fop_write_iter+0x2cd/0x410
[ 57.036975][ T564] ? cgroup_seqfile_stop+0xc0/0xc0
[ 57.042094][ T564] vfs_write+0xb57/0xe50
[ 57.046453][ T564] ksys_write+0x157/0x260
[ 57.051254][ T564] __x64_sys_write+0x7b/0x90
[ 57.055978][ T564] do_syscall_64+0x34/0x70
[ 57.061189][ T564] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 57.068026][ T564] RIP: 0033:0x7f499fc5c0e9
[ 57.072718][ T564] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 57.092529][ T564] RSP: 002b:00007f499fbb1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 57.100933][ T564] RAX: ffffffffffffffda RBX: 00007f499fd6f030 RCX: 00007f499fc5c0e9
[ 57.108884][ T564] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 57.116896][ T564] RBP: 00007f499fbb11d0 R08: 0000000000000000 R09: 0000000000000000
[ 57.125264][ T564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 57.133865][ T564] R13: 00007fffd52c57bf R14: 00007f499fbb1300 R15: 0000000000022000
[ 57.143110][ T564] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 57.151281][ T564] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 57.160240][ T408] ------------[ cut here ]------------
[ 57.166674][ T408] WARNING: CPU: 1 PID: 408 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 57.175860][ T408] Modules linked in:
[ 57.179785][ T408] CPU: 1 PID: 408 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 57.191339][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 57.201444][ T408] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 57.207059][ T408] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 57.226682][ T408] RSP: 0018:ffffc90000eb7dd0 EFLAGS: 00010293
[ 57.232770][ T408] RAX: ffffffff81af1a0c RBX: ffff888102af6ce0 RCX: ffff8881025feac0
[ 57.241197][ T408] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 57.249781][ T408] RBP: ffffc90000eb7e40 R08: ffffffff81af1737 R09: fffff520001d6fb2
[ 57.257735][ T408] R10: fffff520001d6fb2 R11: 1ffff920001d6fb1 R12: dffffc0000000000
[ 57.265722][ T408] R13: ffff888102af6c00 R14: 00000000ffffffff R15: 0000000000000000
[ 57.273705][ T408] FS: 000055555729a400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 57.282645][ T408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 57.289237][ T408] CR2: 00005555572a3b38 CR3: 000000011848a000 CR4: 00000000003506a0
[ 57.297282][ T408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 57.305262][ T408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 57.313335][ T408] Call Trace:
[ 57.316613][ T408] path_umount+0x1ad/0xed0
[ 57.321133][ T408] __x64_sys_umount+0xe8/0x110
[ 57.325907][ T408] do_syscall_64+0x34/0x70
[ 57.330334][ T408] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 57.336573][ T408] RIP: 0033:0x7f499fc5d557
[ 57.341022][ T408] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 57.361179][ T408] RSP: 002b:00007fffd52c4918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 57.369682][ T408] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f499fc5d557
[ 57.377942][ T408] RDX: 00007fffd52c49e9 RSI: 000000000000000a RDI: 00007fffd52c49e0
[ 57.386123][ T408] RBP: 00007fffd52c49e0 R08: 00000000ffffffff R09: 00007fffd52c47b0
[ 57.395082][ T408] R10: 000055555729bba3 R11: 0000000000000246 R12: 00007f499fcb51f8
[ 57.403091][ T408] R13: 00007fffd52c5aa0 R14: 000055555729bb00 R15: 00007fffd52c5ae0
[ 57.411071][ T408] ---[ end trace 84e0bdab5464fe31 ]---
[ 57.416598][ T408] ------------[ cut here ]------------
[ 57.422129][ T408] WARNING: CPU: 0 PID: 408 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510
[ 57.429083][ C1] !!!!! css_killed_ref_fn css ffff8881103df800 !!!
[ 57.430971][ T408] Modules linked in:
[ 57.437324][ C1] !!!!! css_killed_ref_fn css ffff8881103dc400 !!!
[ 57.437339][ T408]
[ 57.441220][ C1] !!!!! css_killed_ref_fn css ffff8881103df400 !!!
[ 57.441268][ T378] !!!!! css_release css ffff8881103df800 !!!
[ 57.448068][ T408] CPU: 0 PID: 408 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 57.450053][ T378] !!!!! css_release css ffff8881103dc400 !!!
[ 57.450060][ T378] !!!!! css_release css ffff8881103df400 !!!
[ 57.450487][ T568] FAULT_INJECTION: forcing a failure.
[ 57.450487][ T568] name failslab, interval 1, probability 0, space 0, times 0
[ 57.457525][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 57.462647][ T568] CPU: 1 PID: 568 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 57.474452][ T408] RIP: 0010:cleanup_mnt+0x4c5/0x510
[ 57.480123][ T568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 57.480126][ T568] Call Trace:
[ 57.480137][ T568] dump_stack+0x19c/0x1e2
[ 57.480148][ T568] should_fail+0x3f7/0x5b0
[ 57.480163][ T568] __should_failslab+0xd2/0x130
[ 57.486267][ T408] Code: b3 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e e6 b8 ff 48 8b 7d d0 e8 15 c9 04 00 e9 21 fd ff ff e8 1b e6 b8 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 e0 1f 86 80 e1 07 80 c1 03 38 c1
[ 57.498846][ T568] should_failslab+0x9/0x20
[ 57.498857][ T568] slab_pre_alloc_hook+0x25/0xe0
[ 57.498866][ T568] kmem_cache_alloc_trace+0x47/0x2b0
[ 57.498875][ T568] ? percpu_ref_init+0xd0/0x330
2022/06/01 17:53:53 executed programs: 53
[ 57.498884][ T568] percpu_ref_init+0xd0/0x330
[ 57.498893][ T568] ? cgroup_setup_root+0x8a0/0x8a0
[ 57.498912][ T568] cgroup_apply_control_enable+0x3d2/0xf70
[ 57.510045][ T408] RSP: 0018:ffffc90000eb7e30 EFLAGS: 00010293
[ 57.520850][ T568] cgroup_apply_control+0x36/0x710
[ 57.520860][ T568] ? init_wait_entry+0xe0/0xe0
[ 57.520869][ T568] ? cgroup_kn_lock_live+0x1af/0x370
[ 57.520886][ T568] cgroup_subtree_control_write+0xd05/0x12d0
[ 57.526408][ T408]
[ 57.536092][ T568] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 57.536102][ T568] cgroup_file_write+0x22f/0x4f0
[ 57.536111][ T568] kernfs_fop_write_iter+0x2cd/0x410
[ 57.536120][ T568] ? cgroup_seqfile_stop+0xc0/0xc0
[ 57.536129][ T568] vfs_write+0xb57/0xe50
[ 57.536144][ T568] ksys_write+0x157/0x260
[ 57.539723][ T408] RAX: ffffffff81b024d5 RBX: ffffe8ffffd42f24 RCX: ffff8881025feac0
[ 57.543713][ T568] __x64_sys_write+0x7b/0x90
[ 57.548184][ T408] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 57.553194][ T568] do_syscall_64+0x34/0x70
[ 57.553206][ T568] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 57.553214][ T568] RIP: 0033:0x7f9216a470e9
[ 57.553226][ T568] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 57.553232][ T568] RSP: 002b:00007f921699c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 57.573776][ T408] RBP: ffffc90000eb7e80 R08: ffffffff81b021b3 R09: fffff520001d6fcd
[ 57.577578][ T568] RAX: ffffffffffffffda RBX: 00007f9216b5a030 RCX: 00007f9216a470e9
[ 57.582653][ T408] R10: fffff520001d6fcd R11: 1ffff920001d6fcc R12: ffff888102af6c48
[ 57.587746][ T568] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 57.592752][ T408] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff
[ 57.597241][ T568] RBP: 00007f921699c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 57.602570][ T408] FS: 000055555729a400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 57.608372][ T568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 57.614728][ T408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 57.619633][ T568] R13: 00007ffdf497e50f R14: 00007f921699c300 R15: 0000000000022000
[ 57.619837][ T568] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 57.625297][ T408] CR2: 00007fb7f2ec2058 CR3: 000000011848a000 CR4: 00000000003506b0
[ 57.827181][ T408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 57.835281][ T408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 57.839077][ C1] !!!!! css_killed_ref_fn css ffff8881105d1000 !!!
[ 57.843291][ T408] Call Trace:
[ 57.849815][ C1] !!!!! css_killed_ref_fn css ffff8881104ae400 !!!
[ 57.853260][ T408] __cleanup_mnt+0x19/0x20
[ 57.859881][ T378] !!!!! css_release css ffff8881105d1000 !!!
[ 57.864177][ T408] task_work_run+0x147/0x1b0
[ 57.870781][ T19] !!!!! css_release css ffff8881104ae400 !!!
[ 57.874876][ T408] exit_to_user_mode_loop+0xc8/0xe0
[ 57.881671][ T536] FAULT_INJECTION: forcing a failure.
[ 57.881671][ T536] name failslab, interval 1, probability 0, space 0, times 0
[ 57.886105][ T408] syscall_exit_to_user_mode+0x77/0xa0
[ 57.898982][ T536] CPU: 1 PID: 536 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 57.904267][ T408] do_syscall_64+0x40/0x70
[ 57.915743][ T536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 57.915746][ T536] Call Trace:
[ 57.915756][ T536] dump_stack+0x19c/0x1e2
[ 57.915768][ T536] should_fail+0x3f7/0x5b0
[ 57.915784][ T536] __should_failslab+0xd2/0x130
[ 57.920196][ T408] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 57.930385][ T536] should_failslab+0x9/0x20
[ 57.930395][ T536] slab_pre_alloc_hook+0x25/0xe0
[ 57.930406][ T536] ? __kernfs_new_node+0x4c/0x6d0
[ 57.930418][ T536] __kmalloc_track_caller+0x70/0x300
[ 57.930433][ T536] ? __kernfs_new_node+0x4c/0x6d0
[ 57.933938][ T408] RIP: 0033:0x7f499fc5d557
[ 57.938213][ T536] kstrdup_const+0x55/0x90
[ 57.942620][ T408] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 57.947448][ T536] __kernfs_new_node+0x4c/0x6d0
[ 57.953347][ T408] RSP: 002b:00007fffd52c4918 EFLAGS: 00000246
[ 57.957826][ T536] ? string+0x29f/0x2b0
[ 57.962829][ T408] ORIG_RAX: 00000000000000a6
[ 57.967895][ T536] ? vsnprintf+0x1a6c/0x1b30
[ 57.973163][ T408] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f499fc5d557
[ 57.978159][ T536] kernfs_new_node+0x97/0x170
[ 57.982649][ T408] RDX: 00007fffd52c49e9 RSI: 000000000000000a RDI: 00007fffd52c49e0
[ 57.987130][ T536] __kernfs_create_file+0x4a/0x270
[ 58.007251][ T408] RBP: 00007fffd52c49e0 R08: 00000000ffffffff R09: 00007fffd52c47b0
[ 58.012169][ T536] cgroup_addrm_files+0x99e/0xeb0
[ 58.012187][ T536] ? delete_node+0x747/0x7a0
[ 58.018410][ T408] R10: 000055555729bba3 R11: 0000000000000246 R12: 00007f499fcb51f8
[ 58.022559][ T536] css_populate_dir+0x137/0x370
[ 58.022571][ T536] cgroup_apply_control_enable+0x5cd/0xf70
[ 58.022581][ T536] cgroup_apply_control+0x36/0x710
[ 58.022589][ T536] ? init_wait_entry+0xe0/0xe0
[ 58.022598][ T536] ? cgroup_kn_lock_live+0x1af/0x370
[ 58.022608][ T536] cgroup_subtree_control_write+0xd05/0x12d0
[ 58.022627][ T536] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 58.027282][ T408] R13: 00007fffd52c5aa0 R14: 000055555729bb00 R15: 00007fffd52c5ae0
[ 58.031840][ T536] cgroup_file_write+0x22f/0x4f0
[ 58.031850][ T536] kernfs_fop_write_iter+0x2cd/0x410
[ 58.031859][ T536] ? cgroup_seqfile_stop+0xc0/0xc0
[ 58.031876][ T536] vfs_write+0xb57/0xe50
[ 58.039871][ T408] ---[ end trace 84e0bdab5464fe32 ]---
[ 58.044506][ T536] ksys_write+0x157/0x260
[ 58.160667][ T536] __x64_sys_write+0x7b/0x90
[ 58.165239][ T536] do_syscall_64+0x34/0x70
[ 58.169720][ T536] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 58.175584][ T536] RIP: 0033:0x7faede8f60e9
[ 58.179991][ T536] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 58.199568][ T536] RSP: 002b:00007faede84b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 58.207954][ T536] RAX: ffffffffffffffda RBX: 00007faedea09030 RCX: 00007faede8f60e9
[ 58.215897][ T536] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 58.223948][ T536] RBP: 00007faede84b1d0 R08: 0000000000000000 R09: 0000000000000000
[ 58.231893][ T536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 58.239933][ T536] R13: 00007ffcf159dfef R14: 00007faede84b300 R15: 0000000000022000
[ 58.248305][ T536] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 58.255493][ T536] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 58.289095][ C1] !!!!! css_killed_ref_fn css ffff88810d0f0400 !!!
[ 58.295739][ C1] !!!!! css_killed_ref_fn css ffff88810d0f0c00 !!!
[ 58.302278][ C1] !!!!! css_killed_ref_fn css ffff8881105d1400 !!!
[ 58.308859][ T378] !!!!! css_release css ffff88810d0f0400 !!!
[ 58.315544][ T378] !!!!! css_release css ffff88810d0f0c00 !!!
[ 58.323619][ T378] !!!!! css_release css ffff8881105d1400 !!!
[ 58.330096][ T576] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 58.336571][ T580] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 58.336716][ T587] FAULT_INJECTION: forcing a failure.
[ 58.336716][ T587] name failslab, interval 1, probability 0, space 0, times 0
[ 58.355709][ T587] CPU: 0 PID: 587 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 58.367524][ T587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 58.378713][ T587] Call Trace:
[ 58.382165][ T587] dump_stack+0x19c/0x1e2
[ 58.386509][ T587] should_fail+0x3f7/0x5b0
[ 58.390922][ T587] __should_failslab+0xd2/0x130
[ 58.395853][ T587] should_failslab+0x9/0x20
[ 58.400408][ T587] slab_pre_alloc_hook+0x25/0xe0
[ 58.405431][ T587] ? __kernfs_new_node+0x4c/0x6d0
[ 58.410491][ T587] __kmalloc_track_caller+0x70/0x300
[ 58.416468][ T587] ? __kernfs_new_node+0x4c/0x6d0
[ 58.421642][ T587] kstrdup_const+0x55/0x90
[ 58.426402][ T587] __kernfs_new_node+0x4c/0x6d0
[ 58.431301][ T587] ? string+0x29f/0x2b0
[ 58.435692][ T587] ? vsnprintf+0x1a6c/0x1b30
[ 58.440318][ T587] kernfs_new_node+0x97/0x170
[ 58.445018][ T587] __kernfs_create_file+0x4a/0x270
[ 58.450114][ T587] cgroup_addrm_files+0x99e/0xeb0
[ 58.455214][ T587] ? delete_node+0x747/0x7a0
[ 58.459945][ T587] css_populate_dir+0x137/0x370
[ 58.464806][ T587] cgroup_apply_control_enable+0x5cd/0xf70
[ 58.470714][ T587] cgroup_apply_control+0x36/0x710
[ 58.476183][ T587] ? init_wait_entry+0xe0/0xe0
[ 58.481299][ T587] ? cgroup_kn_lock_live+0x1af/0x370
[ 58.486770][ T587] cgroup_subtree_control_write+0xd05/0x12d0
[ 58.493283][ T587] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 58.499906][ T587] cgroup_file_write+0x22f/0x4f0
[ 58.505091][ T587] kernfs_fop_write_iter+0x2cd/0x410
[ 58.510417][ T587] ? cgroup_seqfile_stop+0xc0/0xc0
[ 58.515526][ T587] vfs_write+0xb57/0xe50
[ 58.519756][ T587] ksys_write+0x157/0x260
[ 58.524063][ T587] __x64_sys_write+0x7b/0x90
[ 58.528664][ T587] do_syscall_64+0x34/0x70
[ 58.533089][ T587] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 58.538966][ T587] RIP: 0033:0x7fbd869e10e9
[ 58.543539][ T587] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 58.563319][ T587] RSP: 002b:00007fbd86936168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 58.571949][ T587] RAX: ffffffffffffffda RBX: 00007fbd86af4030 RCX: 00007fbd869e10e9
[ 58.579915][ T587] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 58.587959][ T587] RBP: 00007fbd869361d0 R08: 0000000000000000 R09: 0000000000000000
[ 58.595918][ T587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 58.605081][ T587] R13: 00007ffc2d31856f R14: 00007fbd86936300 R15: 0000000000022000
[ 58.614218][ T587] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 58.621342][ T587] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 58.630484][ T410] ------------[ cut here ]------------
[ 58.636087][ T410] WARNING: CPU: 1 PID: 410 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 58.645454][ T410] Modules linked in:
[ 58.649391][ T410] CPU: 1 PID: 410 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 58.661035][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 58.671151][ T410] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 58.676773][ T410] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 58.696795][ T410] RSP: 0018:ffffc90000ed7d58 EFLAGS: 00010293
[ 58.703163][ T410] RAX: ffffffff81af1a0c RBX: ffff88810f3c2fe0 RCX: ffff888105261e80
[ 58.711346][ T410] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 58.719370][ T410] RBP: ffffc90000ed7dc8 R08: ffffffff81af1737 R09: fffff520001dafa3
[ 58.727428][ T410] R10: fffff520001dafa3 R11: 1ffff920001dafa2 R12: dffffc0000000000
[ 58.735461][ T410] R13: ffff88810f3c2f00 R14: 00000000ffffffff R15: 0000000000000000
[ 58.743481][ T410] FS: 0000555556ffa400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 58.752451][ T410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 58.759085][ T410] CR2: 00007ffc2d316f88 CR3: 000000010920c000 CR4: 00000000003506a0
[ 58.767053][ T410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 58.775087][ T410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 58.783524][ T410] Call Trace:
[ 58.786806][ T410] ? init_wait_entry+0xe0/0xe0
[ 58.791583][ T410] ? up_write+0x68/0x140
[ 58.795820][ T410] namespace_unlock+0x377/0x420
[ 58.800695][ T410] path_umount+0xe23/0xed0
[ 58.805126][ T410] __x64_sys_umount+0xe8/0x110
[ 58.809927][ T410] do_syscall_64+0x34/0x70
[ 58.814351][ T410] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 58.820258][ T410] RIP: 0033:0x7fbd869e2557
[ 58.824764][ T410] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 58.844656][ T410] RSP: 002b:00007ffc2d3176c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 58.854207][ T410] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbd869e2557
[ 58.862218][ T410] RDX: 00007ffc2d317799 RSI: 000000000000000a RDI: 00007ffc2d317790
[ 58.870387][ T410] RBP: 00007ffc2d317790 R08: 00000000ffffffff R09: 00007ffc2d317560
[ 58.878343][ T410] R10: 0000555556ffbba3 R11: 0000000000000246 R12: 00007fbd86a3a1f8
[ 58.886354][ T410] R13: 00007ffc2d318850 R14: 0000555556ffbb00 R15: 00007ffc2d318890
[ 58.894421][ T410] ---[ end trace 84e0bdab5464fe33 ]---
[ 58.900200][ T410] ------------[ cut here ]------------
[ 58.905741][ T410] WARNING: CPU: 0 PID: 410 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 58.914728][ T410] Modules linked in:
[ 58.918619][ T410] CPU: 0 PID: 410 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 58.930416][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 58.940763][ T410] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 58.946377][ T410] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 58.966027][ C0] !!!!! css_killed_ref_fn css ffff8881107dd800 !!!
[ 58.966050][ C0] !!!!! css_killed_ref_fn css ffff8881107df000 !!!
[ 58.966057][ C0] !!!!! css_killed_ref_fn css ffff8881107de400 !!!
[ 58.985679][ T410] RSP: 0018:ffffc90000ed7dd0 EFLAGS: 00010293
[ 58.991786][ T410] RAX: ffffffff81af1a0c RBX: ffff88810f3c2fe0 RCX: ffff888105261e80
[ 59.000298][ T410] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 59.008386][ T410] RBP: ffffc90000ed7e40 R08: ffffffff81af1737 R09: fffff520001dafb2
[ 59.016739][ T410] R10: fffff520001dafb2 R11: 1ffff920001dafb1 R12: dffffc0000000000
[ 59.024749][ T410] R13: ffff88810f3c2f00 R14: 00000000fffffffe R15: 0000000000000000
[ 59.032740][ T410] FS: 0000555556ffa400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 59.041671][ T410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.048352][ T410] CR2: 00007f499fbb0ff8 CR3: 000000010920c000 CR4: 00000000003506b0
[ 59.056529][ T410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 59.065027][ T410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 59.073042][ T410] Call Trace:
[ 59.076322][ T410] path_umount+0x1ad/0xed0
[ 59.080920][ T410] __x64_sys_umount+0xe8/0x110
[ 59.085755][ T410] do_syscall_64+0x34/0x70
[ 59.090183][ T410] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 59.096070][ T410] RIP: 0033:0x7fbd869e2557
[ 59.100529][ T410] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 59.120152][ T410] RSP: 002b:00007ffc2d3176c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 59.128550][ T410] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbd869e2557
[ 59.136524][ T410] RDX: 00007ffc2d317799 RSI: 000000000000000a RDI: 00007ffc2d317790
[ 59.144529][ T410] RBP: 00007ffc2d317790 R08: 00000000ffffffff R09: 00007ffc2d317560
[ 59.152695][ T410] R10: 0000555556ffbba3 R11: 0000000000000246 R12: 00007fbd86a3a1f8
[ 59.160775][ T410] R13: 00007ffc2d318850 R14: 0000555556ffbb00 R15: 00007ffc2d318890
[ 59.168759][ T410] ---[ end trace 84e0bdab5464fe34 ]---
[ 59.174359][ T5] !!!!! css_release css ffff8881107dd800 !!!
[ 59.184476][ T5] !!!!! css_release css ffff8881107df000 !!!
[ 59.190764][ T5] !!!!! css_release css ffff8881107de400 !!!
[ 59.196890][ T584] FAULT_INJECTION: forcing a failure.
[ 59.196890][ T584] name failslab, interval 1, probability 0, space 0, times 0
[ 59.209739][ T584] CPU: 1 PID: 584 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 59.221639][ T584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 59.231866][ T584] Call Trace:
[ 59.235303][ T584] dump_stack+0x19c/0x1e2
[ 59.239926][ T584] should_fail+0x3f7/0x5b0
[ 59.244411][ T584] __should_failslab+0xd2/0x130
[ 59.249241][ T584] should_failslab+0x9/0x20
[ 59.253969][ T584] slab_pre_alloc_hook+0x25/0xe0
[ 59.258922][ T584] kmem_cache_alloc_trace+0x47/0x2b0
[ 59.264276][ T584] ? percpu_ref_init+0xd0/0x330
[ 59.269098][ T584] percpu_ref_init+0xd0/0x330
[ 59.273845][ T584] ? cgroup_setup_root+0x8a0/0x8a0
[ 59.278952][ T584] cgroup_apply_control_enable+0x3d2/0xf70
[ 59.284808][ T584] cgroup_apply_control+0x36/0x710
[ 59.289920][ T584] ? init_wait_entry+0xe0/0xe0
[ 59.294669][ T584] ? cgroup_kn_lock_live+0x1af/0x370
[ 59.299934][ T584] cgroup_subtree_control_write+0xd05/0x12d0
[ 59.305898][ T584] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 59.311945][ T584] cgroup_file_write+0x22f/0x4f0
[ 59.316858][ T584] kernfs_fop_write_iter+0x2cd/0x410
[ 59.322210][ T584] ? cgroup_seqfile_stop+0xc0/0xc0
[ 59.327304][ T584] vfs_write+0xb57/0xe50
[ 59.331533][ T584] ksys_write+0x157/0x260
[ 59.335848][ T584] __x64_sys_write+0x7b/0x90
[ 59.340592][ T584] do_syscall_64+0x34/0x70
[ 59.345000][ T584] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 59.350863][ T584] RIP: 0033:0x7f9216a470e9
[ 59.355250][ T584] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 59.374911][ T584] RSP: 002b:00007f921699c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 59.383293][ T584] RAX: ffffffffffffffda RBX: 00007f9216b5a030 RCX: 00007f9216a470e9
[ 59.391235][ T584] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 59.399176][ T584] RBP: 00007f921699c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 59.407214][ T584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 59.415244][ T584] R13: 00007ffdf497e50f R14: 00007f921699c300 R15: 0000000000022000
[ 59.424414][ T584] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 59.449093][ C1] !!!!! css_killed_ref_fn css ffff88811095f000 !!!
[ 59.455703][ C1] !!!!! css_killed_ref_fn css ffff88811095e400 !!!
[ 59.462318][ T378] !!!!! css_release css ffff88811095f000 !!!
[ 59.468326][ T378] !!!!! css_release css ffff88811095e400 !!!
[ 59.474664][ T578] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 59.479199][ T583] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 59.481296][ T594] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 59.488030][ T589] FAULT_INJECTION: forcing a failure.
[ 59.488030][ T589] name failslab, interval 1, probability 0, space 0, times 0
[ 59.494260][ T591] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 59.507358][ T589] CPU: 1 PID: 589 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 59.525433][ T589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 59.535670][ T589] Call Trace:
[ 59.538946][ T589] dump_stack+0x19c/0x1e2
[ 59.543272][ T589] should_fail+0x3f7/0x5b0
[ 59.547872][ T589] __should_failslab+0xd2/0x130
[ 59.552994][ T589] should_failslab+0x9/0x20
[ 59.558190][ T589] slab_pre_alloc_hook+0x25/0xe0
[ 59.563681][ T589] kmem_cache_alloc_trace+0x47/0x2b0
[ 59.569408][ T589] ? percpu_ref_init+0xd0/0x330
[ 59.576562][ T589] percpu_ref_init+0xd0/0x330
[ 59.581246][ T589] ? cgroup_setup_root+0x8a0/0x8a0
[ 59.586452][ T589] cgroup_apply_control_enable+0x3d2/0xf70
[ 59.592257][ T589] cgroup_apply_control+0x36/0x710
[ 59.597934][ T589] ? init_wait_entry+0xe0/0xe0
[ 59.602714][ T589] ? cgroup_kn_lock_live+0x1af/0x370
[ 59.608218][ T589] cgroup_subtree_control_write+0xd05/0x12d0
[ 59.614194][ T589] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 59.620416][ T589] cgroup_file_write+0x22f/0x4f0
[ 59.625423][ T589] kernfs_fop_write_iter+0x2cd/0x410
[ 59.630861][ T589] ? cgroup_seqfile_stop+0xc0/0xc0
[ 59.636652][ T589] vfs_write+0xb57/0xe50
[ 59.641249][ T589] ksys_write+0x157/0x260
[ 59.645722][ T589] __x64_sys_write+0x7b/0x90
[ 59.651351][ T589] do_syscall_64+0x34/0x70
[ 59.655765][ T589] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 59.661856][ T589] RIP: 0033:0x7faede8f60e9
[ 59.666360][ T589] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 59.686151][ T589] RSP: 002b:00007faede84b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 59.694723][ T589] RAX: ffffffffffffffda RBX: 00007faedea09030 RCX: 00007faede8f60e9
[ 59.702687][ T589] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 59.710644][ T589] RBP: 00007faede84b1d0 R08: 0000000000000000 R09: 0000000000000000
[ 59.718598][ T589] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 59.727454][ T589] R13: 00007ffcf159dfef R14: 00007faede84b300 R15: 0000000000022000
[ 59.735661][ T589] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 59.779088][ C1] !!!!! css_killed_ref_fn css ffff888110b02800 !!!
[ 59.785789][ C1] !!!!! css_killed_ref_fn css ffff888110b03c00 !!!
[ 59.792414][ T378] !!!!! css_release css ffff888110b02800 !!!
[ 59.798420][ T378] !!!!! css_release css ffff888110b03c00 !!!
[ 59.804771][ T575] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 59.804804][ T597] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 59.811720][ T592] FAULT_INJECTION: forcing a failure.
[ 59.811720][ T592] name failslab, interval 1, probability 0, space 0, times 0
[ 59.830518][ T592] CPU: 0 PID: 592 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 59.842035][ T592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 59.852533][ T592] Call Trace:
[ 59.855831][ T592] dump_stack+0x19c/0x1e2
[ 59.860579][ T592] should_fail+0x3f7/0x5b0
[ 59.864973][ T592] __should_failslab+0xd2/0x130
[ 59.874669][ T592] should_failslab+0x9/0x20
[ 59.881154][ T592] slab_pre_alloc_hook+0x25/0xe0
[ 59.888819][ T592] ? __kernfs_new_node+0x4c/0x6d0
[ 59.894211][ T592] __kmalloc_track_caller+0x70/0x300
[ 59.899679][ T592] ? __kernfs_new_node+0x4c/0x6d0
[ 59.904730][ T592] kstrdup_const+0x55/0x90
[ 59.909314][ T592] __kernfs_new_node+0x4c/0x6d0
[ 59.914359][ T592] ? string+0x29f/0x2b0
[ 59.918578][ T592] ? vsnprintf+0x1a6c/0x1b30
[ 59.923193][ T592] kernfs_new_node+0x97/0x170
[ 59.928581][ T592] __kernfs_create_file+0x4a/0x270
[ 59.933694][ T592] cgroup_addrm_files+0x99e/0xeb0
[ 59.938738][ T592] ? delete_node+0x747/0x7a0
[ 59.943343][ T592] css_populate_dir+0x137/0x370
[ 59.948195][ T592] cgroup_apply_control_enable+0x5cd/0xf70
[ 59.953994][ T592] cgroup_apply_control+0x36/0x710
[ 59.959090][ T592] ? init_wait_entry+0xe0/0xe0
[ 59.963927][ T592] ? cgroup_kn_lock_live+0x1af/0x370
[ 59.969194][ T592] cgroup_subtree_control_write+0xd05/0x12d0
[ 59.975276][ T592] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 59.981234][ T592] cgroup_file_write+0x22f/0x4f0
[ 59.986326][ T592] kernfs_fop_write_iter+0x2cd/0x410
[ 59.991859][ T592] ? cgroup_seqfile_stop+0xc0/0xc0
[ 59.997124][ T592] vfs_write+0xb57/0xe50
[ 60.001498][ T592] ksys_write+0x157/0x260
[ 60.006143][ T592] __x64_sys_write+0x7b/0x90
[ 60.011208][ T592] do_syscall_64+0x34/0x70
[ 60.015929][ T592] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 60.021902][ T592] RIP: 0033:0x7fbd869e10e9
[ 60.026391][ T592] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 60.046770][ T592] RSP: 002b:00007fbd86936168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 60.055293][ T592] RAX: ffffffffffffffda RBX: 00007fbd86af4030 RCX: 00007fbd869e10e9
[ 60.063515][ T592] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 60.071475][ T592] RBP: 00007fbd869361d0 R08: 0000000000000000 R09: 0000000000000000
[ 60.079526][ T592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 60.087614][ T592] R13: 00007ffc2d31856f R14: 00007fbd86936300 R15: 0000000000022000
[ 60.095899][ T592] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 60.103226][ T592] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 60.129051][ C0] !!!!! css_killed_ref_fn css ffff888110baac00 !!!
[ 60.135903][ C0] !!!!! css_killed_ref_fn css ffff888110baa800 !!!
[ 60.142546][ C0] !!!!! css_killed_ref_fn css ffff888110babc00 !!!
[ 60.149128][ T5] !!!!! css_release css ffff888110baac00 !!!
[ 60.155123][ T5] !!!!! css_release css ffff888110baa800 !!!
[ 60.161438][ T5] !!!!! css_release css ffff888110babc00 !!!
[ 60.167905][ T586] FAULT_INJECTION: forcing a failure.
[ 60.167905][ T586] name failslab, interval 1, probability 0, space 0, times 0
[ 60.181486][ T586] CPU: 1 PID: 586 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 60.193196][ T586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.203424][ T586] Call Trace:
[ 60.206733][ T586] dump_stack+0x19c/0x1e2
[ 60.211215][ T586] should_fail+0x3f7/0x5b0
[ 60.215623][ T586] __should_failslab+0xd2/0x130
[ 60.220893][ T586] should_failslab+0x9/0x20
[ 60.225375][ T586] slab_pre_alloc_hook+0x25/0xe0
[ 60.230312][ T586] ? __kernfs_new_node+0x4c/0x6d0
[ 60.235421][ T586] __kmalloc_track_caller+0x70/0x300
[ 60.240687][ T586] ? __kernfs_new_node+0x4c/0x6d0
[ 60.245686][ T586] kstrdup_const+0x55/0x90
[ 60.250091][ T586] __kernfs_new_node+0x4c/0x6d0
[ 60.255193][ T586] ? string+0x29f/0x2b0
[ 60.259911][ T586] ? vsnprintf+0x1a6c/0x1b30
[ 60.264491][ T586] kernfs_new_node+0x97/0x170
[ 60.269170][ T586] __kernfs_create_file+0x4a/0x270
[ 60.274272][ T586] cgroup_addrm_files+0x99e/0xeb0
[ 60.279281][ T586] ? delete_node+0x747/0x7a0
[ 60.283873][ T586] css_populate_dir+0x137/0x370
[ 60.288721][ T586] cgroup_apply_control_enable+0x5cd/0xf70
[ 60.295576][ T586] cgroup_apply_control+0x36/0x710
[ 60.300801][ T586] ? init_wait_entry+0xe0/0xe0
[ 60.305820][ T586] ? cgroup_kn_lock_live+0x1af/0x370
[ 60.311088][ T586] cgroup_subtree_control_write+0xd05/0x12d0
[ 60.317048][ T586] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 60.323136][ T586] cgroup_file_write+0x22f/0x4f0
[ 60.328055][ T586] kernfs_fop_write_iter+0x2cd/0x410
[ 60.333333][ T586] ? cgroup_seqfile_stop+0xc0/0xc0
[ 60.338427][ T586] vfs_write+0xb57/0xe50
[ 60.342662][ T586] ksys_write+0x157/0x260
[ 60.346980][ T586] __x64_sys_write+0x7b/0x90
[ 60.351549][ T586] do_syscall_64+0x34/0x70
[ 60.355955][ T586] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 60.361851][ T586] RIP: 0033:0x7f9295a4b0e9
[ 60.366247][ T586] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 60.385897][ T586] RSP: 002b:00007f92959a0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 60.394367][ T586] RAX: ffffffffffffffda RBX: 00007f9295b5e030 RCX: 00007f9295a4b0e9
[ 60.402380][ T586] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 60.412366][ T586] RBP: 00007f92959a01d0 R08: 0000000000000000 R09: 0000000000000000
[ 60.420414][ T586] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 60.428730][ T586] R13: 00007ffea8f54faf R14: 00007f92959a0300 R15: 0000000000022000
[ 60.436908][ T586] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 60.444150][ T586] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 60.479089][ C0] !!!!! css_killed_ref_fn css ffff88810d186000 !!!
[ 60.485669][ C0] !!!!! css_killed_ref_fn css ffff88810d185400 !!!
[ 60.492403][ C0] !!!!! css_killed_ref_fn css ffff88810d186400 !!!
[ 60.509125][ T5] !!!!! css_release css ffff88810d186000 !!!
[ 60.515331][ T377] !!!!! css_release css ffff88810d185400 !!!
[ 60.521595][ T581] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 60.522822][ T598] FAULT_INJECTION: forcing a failure.
[ 60.522822][ T598] name failslab, interval 1, probability 0, space 0, times 0
[ 60.540721][ T598] CPU: 0 PID: 598 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 60.552365][ T598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.562415][ T598] Call Trace:
[ 60.565720][ T598] dump_stack+0x19c/0x1e2
[ 60.570031][ T598] should_fail+0x3f7/0x5b0
[ 60.574450][ T598] __should_failslab+0xd2/0x130
[ 60.579291][ T598] should_failslab+0x9/0x20
[ 60.583778][ T598] slab_pre_alloc_hook+0x25/0xe0
[ 60.588704][ T598] ? __kernfs_new_node+0x4c/0x6d0
[ 60.593711][ T598] __kmalloc_track_caller+0x70/0x300
[ 60.598982][ T598] ? __kernfs_new_node+0x4c/0x6d0
[ 60.603982][ T598] kstrdup_const+0x55/0x90
[ 60.608377][ T598] __kernfs_new_node+0x4c/0x6d0
[ 60.613204][ T598] ? string+0x29f/0x2b0
[ 60.617336][ T598] ? vsnprintf+0x1a6c/0x1b30
[ 60.621920][ T598] kernfs_new_node+0x97/0x170
[ 60.626587][ T598] __kernfs_create_file+0x4a/0x270
[ 60.631677][ T598] cgroup_addrm_files+0x99e/0xeb0
[ 60.636691][ T598] ? delete_node+0x747/0x7a0
[ 60.641268][ T598] css_populate_dir+0x137/0x370
[ 60.646106][ T598] cgroup_apply_control_enable+0x5cd/0xf70
[ 60.651899][ T598] cgroup_apply_control+0x36/0x710
[ 60.656996][ T598] ? init_wait_entry+0xe0/0xe0
[ 60.661755][ T598] ? cgroup_kn_lock_live+0x1af/0x370
[ 60.667600][ T598] cgroup_subtree_control_write+0xd05/0x12d0
[ 60.673758][ T598] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 60.680125][ T598] cgroup_file_write+0x22f/0x4f0
[ 60.685451][ T598] kernfs_fop_write_iter+0x2cd/0x410
[ 60.690732][ T598] ? cgroup_seqfile_stop+0xc0/0xc0
[ 60.699006][ T598] vfs_write+0xb57/0xe50
[ 60.703522][ T598] ksys_write+0x157/0x260
[ 60.708006][ T598] __x64_sys_write+0x7b/0x90
[ 60.712881][ T598] do_syscall_64+0x34/0x70
[ 60.717320][ T598] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 60.723217][ T598] RIP: 0033:0x7faede8f60e9
[ 60.727716][ T598] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 60.747676][ T598] RSP: 002b:00007faede84b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 60.756085][ T598] RAX: ffffffffffffffda RBX: 00007faedea09030 RCX: 00007faede8f60e9
[ 60.764046][ T598] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 60.772012][ T598] RBP: 00007faede84b1d0 R08: 0000000000000000 R09: 0000000000000000
[ 60.780041][ T598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 60.788012][ T598] R13: 00007ffcf159dfef R14: 00007faede84b300 R15: 0000000000022000
[ 60.796032][ T598] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 60.803278][ T598] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 60.811979][ T407] ------------[ cut here ]------------
[ 60.817555][ T407] WARNING: CPU: 1 PID: 407 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 60.826515][ T407] Modules linked in:
[ 60.830449][ T407] CPU: 1 PID: 407 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 60.842010][ T407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.852118][ T407] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 60.857741][ T407] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 60.877370][ T407] RSP: 0018:ffffc90000cd7d58 EFLAGS: 00010293
[ 60.883451][ T407] RAX: ffffffff81af1a0c RBX: ffff888102af7a60 RCX: ffff888108265b80
[ 60.891569][ T407] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 60.899596][ T407] RBP: ffffc90000cd7dc8 R08: ffffffff81af1737 R09: fffff5200019afa3
[ 60.907574][ T407] R10: fffff5200019afa3 R11: 1ffff9200019afa2 R12: dffffc0000000000
[ 60.915594][ T407] R13: ffff888102af7980 R14: 00000000ffffffff R15: 0000000000000000
[ 60.923603][ T407] FS: 0000555556488400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 60.932546][ T407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.939174][ T407] CR2: 0000555556491b38 CR3: 0000000108af5000 CR4: 00000000003506a0
[ 60.947136][ T407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 60.955128][ T407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 60.963270][ T407] Call Trace:
[ 60.966572][ T407] ? init_wait_entry+0xe0/0xe0
[ 60.971590][ T407] ? up_write+0x68/0x140
[ 60.975921][ T407] namespace_unlock+0x377/0x420
[ 60.980916][ T407] path_umount+0xe23/0xed0
[ 60.985353][ T407] __x64_sys_umount+0xe8/0x110
[ 60.990147][ T407] do_syscall_64+0x34/0x70
[ 60.994562][ T407] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 61.000480][ T407] RIP: 0033:0x7faede8f7557
[ 61.005091][ T407] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 61.024901][ T407] RSP: 002b:00007ffcf159d148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 61.033345][ T407] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faede8f7557
[ 61.041328][ T407] RDX: 00007ffcf159d219 RSI: 000000000000000a RDI: 00007ffcf159d210
[ 61.049309][ T407] RBP: 00007ffcf159d210 R08: 00000000ffffffff R09: 00007ffcf159cfe0
[ 61.057259][ T407] R10: 0000555556489ba3 R11: 0000000000000246 R12: 00007faede94f1f8
[ 61.065244][ T407] R13: 00007ffcf159e2d0 R14: 0000555556489b00 R15: 00007ffcf159e310
[ 61.073231][ T407] ---[ end trace 84e0bdab5464fe35 ]---
[ 61.078849][ T407] ------------[ cut here ]------------
[ 61.084374][ T407] WARNING: CPU: 1 PID: 407 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 61.089059][ C0] !!!!! css_killed_ref_fn css ffff88810d0f6c00 !!!
[ 61.093410][ T407] Modules linked in:
[ 61.099919][ C0] !!!!! css_killed_ref_fn css ffff88810d0f5000 !!!
[ 61.103793][ T407] CPU: 1 PID: 407 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 61.110545][ C0] !!!!! css_killed_ref_fn css ffff88810d0f5c00 !!!
[ 61.122082][ T407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 61.128803][ T5] !!!!! css_release css ffff88810d0f6c00 !!!
[ 61.138829][ T407] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 61.144873][ T377] !!!!! css_release css ffff88810d0f5000 !!!
[ 61.144953][ T603] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 61.150517][ T407] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 61.156754][ T604] FAULT_INJECTION: forcing a failure.
[ 61.156754][ T604] name failslab, interval 1, probability 0, space 0, times 0
[ 61.163048][ T407] RSP: 0018:ffffc90000cd7dd0 EFLAGS: 00010293
[ 61.183879][ T604] CPU: 0 PID: 604 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 61.195965][ T407] RAX: ffffffff81af1a0c RBX: ffff888102af7a60 RCX: ffff888108265b80
[ 61.201971][ T604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 61.201976][ T604] Call Trace:
[ 61.201992][ T604] dump_stack+0x19c/0x1e2
[ 61.202003][ T604] should_fail+0x3f7/0x5b0
[ 61.202019][ T604] __should_failslab+0xd2/0x130
[ 61.213568][ T407] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 61.221754][ T604] should_failslab+0x9/0x20
[ 61.221765][ T604] slab_pre_alloc_hook+0x25/0xe0
[ 61.221783][ T604] kmem_cache_alloc_trace+0x47/0x2b0
[ 61.232105][ T407] RBP: ffffc90000cd7e40 R08: ffffffff81af1737 R09: fffff5200019afb2
[ 61.235365][ T604] ? percpu_ref_init+0xd0/0x330
[ 61.239712][ T407] R10: fffff5200019afb2 R11: 1ffff9200019afb1 R12: dffffc0000000000
[ 61.244067][ T604] percpu_ref_init+0xd0/0x330
[ 61.248886][ T407] R13: ffff888102af7980 R14: 00000000fffffffe R15: 0000000000000000
[ 61.256919][ T604] ? cgroup_setup_root+0x8a0/0x8a0
[ 61.256930][ T604] cgroup_apply_control_enable+0x3d2/0xf70
[ 61.256945][ T604] cgroup_apply_control+0x36/0x710
[ 61.262385][ T407] FS: 0000555556488400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 61.267270][ T604] ? init_wait_entry+0xe0/0xe0
[ 61.272779][ T407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.280672][ T604] ? cgroup_kn_lock_live+0x1af/0x370
[ 61.280683][ T604] cgroup_subtree_control_write+0xd05/0x12d0
[ 61.280700][ T604] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 61.285696][ T407] CR2: 0000555556491b38 CR3: 0000000108af5000 CR4: 00000000003506a0
[ 61.293641][ T604] cgroup_file_write+0x22f/0x4f0
[ 61.293652][ T604] kernfs_fop_write_iter+0x2cd/0x410
[ 61.293668][ T604] ? cgroup_seqfile_stop+0xc0/0xc0
[ 61.298313][ T407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 61.306254][ T604] vfs_write+0xb57/0xe50
[ 61.306266][ T604] ksys_write+0x157/0x260
[ 61.306275][ T604] __x64_sys_write+0x7b/0x90
[ 61.306283][ T604] do_syscall_64+0x34/0x70
[ 61.306299][ T604] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 61.311395][ T407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 61.317156][ T604] RIP: 0033:0x7f9295a4b0e9
[ 61.322338][ T407] Call Trace:
[ 61.331247][ T604] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 61.331254][ T604] RSP: 002b:00007f92959a0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 61.336112][ T407] path_umount+0x1ad/0xed0
[ 61.342762][ T604] RAX: ffffffffffffffda RBX: 00007f9295b5e030 RCX: 00007f9295a4b0e9
[ 61.342769][ T604] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 61.342775][ T604] RBP: 00007f92959a01d0 R08: 0000000000000000 R09: 0000000000000000
[ 61.342788][ T604] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 61.348042][ T407] __x64_sys_umount+0xe8/0x110
[ 61.353979][ T604] R13: 00007ffea8f54faf R14: 00007f92959a0300 R15: 0000000000022000
[ 61.354693][ T604] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 61.360006][ T407] do_syscall_64+0x34/0x70
[ 61.518649][ T407] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 61.524557][ T407] RIP: 0033:0x7faede8f7557
[ 61.528974][ T407] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 61.548701][ T407] RSP: 002b:00007ffcf159d148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 61.557126][ T407] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faede8f7557
[ 61.565095][ T407] RDX: 00007ffcf159d219 RSI: 000000000000000a RDI: 00007ffcf159d210
[ 61.573075][ T407] RBP: 00007ffcf159d210 R08: 00000000ffffffff R09: 00007ffcf159cfe0
[ 61.581041][ T407] R10: 0000555556489ba3 R11: 0000000000000246 R12: 00007faede94f1f8
[ 61.588989][ T407] R13: 00007ffcf159e2d0 R14: 0000555556489b00 R15: 00007ffcf159e310
[ 61.597072][ T407] ---[ end trace 84e0bdab5464fe36 ]---
[ 61.619112][ C0] !!!!! css_killed_ref_fn css ffff888110e70c00 !!!
[ 61.625674][ C0] !!!!! css_killed_ref_fn css ffff888110e70400 !!!
[ 61.632274][ T377] !!!!! css_release css ffff888110e70c00 !!!
[ 61.638280][ T377] !!!!! css_release css ffff888110e70400 !!!
[ 61.644818][ T606] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 61.644836][ T608] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 61.651752][ T585] FAULT_INJECTION: forcing a failure.
[ 61.651752][ T585] name failslab, interval 1, probability 0, space 0, times 0
[ 61.670800][ T585] CPU: 1 PID: 585 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 61.682681][ T585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 61.692923][ T585] Call Trace:
[ 61.696214][ T585] dump_stack+0x19c/0x1e2
[ 61.700636][ T585] should_fail+0x3f7/0x5b0
[ 61.705035][ T585] __should_failslab+0xd2/0x130
[ 61.709887][ T585] should_failslab+0x9/0x20
[ 61.714394][ T585] slab_pre_alloc_hook+0x25/0xe0
[ 61.719324][ T585] kmem_cache_alloc_trace+0x47/0x2b0
[ 61.724865][ T585] ? percpu_ref_init+0xd0/0x330
[ 61.729697][ T585] percpu_ref_init+0xd0/0x330
[ 61.734363][ T585] ? cgroup_setup_root+0x8a0/0x8a0
[ 61.739576][ T585] cgroup_apply_control_enable+0x3d2/0xf70
[ 61.745380][ T585] cgroup_apply_control+0x36/0x710
[ 61.750476][ T585] ? init_wait_entry+0xe0/0xe0
[ 61.755243][ T585] ? cgroup_kn_lock_live+0x1af/0x370
[ 61.760519][ T585] cgroup_subtree_control_write+0xd05/0x12d0
[ 61.766477][ T585] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 61.772441][ T585] cgroup_file_write+0x22f/0x4f0
[ 61.777356][ T585] kernfs_fop_write_iter+0x2cd/0x410
[ 61.782634][ T585] ? cgroup_seqfile_stop+0xc0/0xc0
[ 61.788018][ T585] vfs_write+0xb57/0xe50
[ 61.792250][ T585] ksys_write+0x157/0x260
[ 61.796576][ T585] __x64_sys_write+0x7b/0x90
[ 61.801174][ T585] do_syscall_64+0x34/0x70
[ 61.805769][ T585] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 61.811647][ T585] RIP: 0033:0x7fb7f2ddf0e9
[ 61.816045][ T585] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 61.836045][ T585] RSP: 002b:00007fb7f2d34168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 61.844543][ T585] RAX: ffffffffffffffda RBX: 00007fb7f2ef2030 RCX: 00007fb7f2ddf0e9
[ 61.852774][ T585] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 61.860773][ T585] RBP: 00007fb7f2d341d0 R08: 0000000000000000 R09: 0000000000000000
[ 61.868731][ T585] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 61.876698][ T585] R13: 00007fffc859aa1f R14: 00007fb7f2d34300 R15: 0000000000022000
[ 61.885040][ T585] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 61.909084][ C1] !!!!! css_killed_ref_fn css ffff888110e11000 !!!
[ 61.915760][ C1] !!!!! css_killed_ref_fn css ffff888110e12c00 !!!
[ 61.925194][ T373] !!!!! css_release css ffff888110e11000 !!!
[ 61.931307][ T373] !!!!! css_release css ffff888110e12c00 !!!
[ 61.938005][ T608] FAULT_INJECTION: forcing a failure.
[ 61.938005][ T608] name failslab, interval 1, probability 0, space 0, times 0
[ 61.950755][ T608] CPU: 0 PID: 608 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 61.962366][ T608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 61.972910][ T608] Call Trace:
[ 61.976199][ T608] dump_stack+0x19c/0x1e2
[ 61.980516][ T608] should_fail+0x3f7/0x5b0
[ 61.984920][ T608] __should_failslab+0xd2/0x130
[ 61.989782][ T608] should_failslab+0x9/0x20
[ 61.994280][ T608] slab_pre_alloc_hook+0x25/0xe0
[ 61.999207][ T608] ? __kernfs_new_node+0x4c/0x6d0
[ 62.004226][ T608] __kmalloc_track_caller+0x70/0x300
[ 62.009840][ T608] ? __kernfs_new_node+0x4c/0x6d0
[ 62.014856][ T608] kstrdup_const+0x55/0x90
[ 62.019254][ T608] __kernfs_new_node+0x4c/0x6d0
[ 62.024249][ T608] ? string+0x29f/0x2b0
[ 62.028414][ T608] ? vsnprintf+0x1a6c/0x1b30
[ 62.033010][ T608] kernfs_new_node+0x97/0x170
[ 62.037663][ T608] __kernfs_create_file+0x4a/0x270
[ 62.042776][ T608] cgroup_addrm_files+0x99e/0xeb0
[ 62.047784][ T608] ? delete_node+0x747/0x7a0
[ 62.052359][ T608] css_populate_dir+0x137/0x370
[ 62.057187][ T608] cgroup_apply_control_enable+0x5cd/0xf70
[ 62.062977][ T608] cgroup_apply_control+0x36/0x710
[ 62.068125][ T608] ? init_wait_entry+0xe0/0xe0
[ 62.072884][ T608] ? cgroup_kn_lock_live+0x1af/0x370
[ 62.078307][ T608] cgroup_subtree_control_write+0xd05/0x12d0
[ 62.084275][ T608] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 62.090253][ T608] cgroup_file_write+0x22f/0x4f0
[ 62.095173][ T608] kernfs_fop_write_iter+0x2cd/0x410
[ 62.100538][ T608] ? cgroup_seqfile_stop+0xc0/0xc0
[ 62.105636][ T608] vfs_write+0xb57/0xe50
[ 62.110488][ T608] ksys_write+0x157/0x260
[ 62.114803][ T608] __x64_sys_write+0x7b/0x90
[ 62.119387][ T608] do_syscall_64+0x34/0x70
[ 62.123786][ T608] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 62.129837][ T608] RIP: 0033:0x7faede8f60e9
[ 62.134230][ T608] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 62.153993][ T608] RSP: 002b:00007faede86c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 62.162392][ T608] RAX: ffffffffffffffda RBX: 00007faedea08f60 RCX: 00007faede8f60e9
[ 62.170442][ T608] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 62.178465][ T608] RBP: 00007faede86c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 62.186512][ T608] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 62.194978][ T608] R13: 00007ffcf159dfef R14: 00007faede86c300 R15: 0000000000022000
[ 62.203630][ T608] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 62.211006][ T608] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 62.249102][ C0] !!!!! css_killed_ref_fn css ffff88811104c800 !!!
[ 62.255766][ C0] !!!!! css_killed_ref_fn css ffff88811104d400 !!!
[ 62.262293][ C0] !!!!! css_killed_ref_fn css ffff88811104e400 !!!
[ 62.269148][ T377] !!!!! css_release css ffff88811104c800 !!!
[ 62.275138][ T377] !!!!! css_release css ffff88811104d400 !!!
[ 62.281804][ T377] !!!!! css_release css ffff88811104e400 !!!
[ 62.288350][ T600] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 62.288536][ T588] FAULT_INJECTION: forcing a failure.
[ 62.288536][ T588] name failslab, interval 1, probability 0, space 0, times 0
[ 62.307778][ T588] CPU: 0 PID: 588 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 62.319736][ T588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 62.330480][ T588] Call Trace:
[ 62.334033][ T588] dump_stack+0x19c/0x1e2
[ 62.338361][ T588] should_fail+0x3f7/0x5b0
[ 62.342908][ T588] __should_failslab+0xd2/0x130
[ 62.347771][ T588] should_failslab+0x9/0x20
[ 62.352357][ T588] slab_pre_alloc_hook+0x25/0xe0
[ 62.357305][ T588] ? __kernfs_new_node+0x4c/0x6d0
[ 62.362504][ T588] __kmalloc_track_caller+0x70/0x300
[ 62.367786][ T588] ? __kernfs_new_node+0x4c/0x6d0
[ 62.372952][ T588] kstrdup_const+0x55/0x90
[ 62.377692][ T588] __kernfs_new_node+0x4c/0x6d0
[ 62.385174][ T588] ? string+0x29f/0x2b0
[ 62.389639][ T588] ? vsnprintf+0x1a6c/0x1b30
[ 62.394741][ T588] kernfs_new_node+0x97/0x170
[ 62.399402][ T588] __kernfs_create_file+0x4a/0x270
[ 62.404526][ T588] cgroup_addrm_files+0x99e/0xeb0
[ 62.409550][ T588] ? delete_node+0x747/0x7a0
[ 62.414123][ T588] css_populate_dir+0x137/0x370
[ 62.418971][ T588] cgroup_apply_control_enable+0x5cd/0xf70
[ 62.424796][ T588] cgroup_apply_control+0x36/0x710
[ 62.430160][ T588] ? init_wait_entry+0xe0/0xe0
[ 62.435291][ T588] ? cgroup_kn_lock_live+0x1af/0x370
[ 62.440691][ T588] cgroup_subtree_control_write+0xd05/0x12d0
[ 62.446955][ T588] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 62.452933][ T588] cgroup_file_write+0x22f/0x4f0
[ 62.458246][ T588] kernfs_fop_write_iter+0x2cd/0x410
[ 62.463613][ T588] ? cgroup_seqfile_stop+0xc0/0xc0
[ 62.468973][ T588] vfs_write+0xb57/0xe50
[ 62.473388][ T588] ksys_write+0x157/0x260
[ 62.477758][ T588] __x64_sys_write+0x7b/0x90
[ 62.482797][ T588] do_syscall_64+0x34/0x70
[ 62.487209][ T588] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 62.493621][ T588] RIP: 0033:0x7f499fc5c0e9
[ 62.498023][ T588] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 62.517712][ T588] RSP: 002b:00007f499fbb1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 62.526120][ T588] RAX: ffffffffffffffda RBX: 00007f499fd6f030 RCX: 00007f499fc5c0e9
[ 62.534086][ T588] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 62.542163][ T588] RBP: 00007f499fbb11d0 R08: 0000000000000000 R09: 0000000000000000
[ 62.550210][ T588] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 62.558201][ T588] R13: 00007fffd52c57bf R14: 00007f499fbb1300 R15: 0000000000022000
[ 62.566286][ T588] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 62.573569][ T588] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 62.599066][ C0] !!!!! css_killed_ref_fn css ffff88811104e000 !!!
[ 62.605606][ C0] !!!!! css_killed_ref_fn css ffff88811129fc00 !!!
[ 62.612139][ C0] !!!!! css_killed_ref_fn css ffff88811129ec00 !!!
[ 62.618691][ T377] !!!!! css_release css ffff88811104e000 !!!
[ 62.624854][ T377] !!!!! css_release css ffff88811129fc00 !!!
[ 62.631232][ T377] !!!!! css_release css ffff88811129ec00 !!!
[ 62.637708][ T595] FAULT_INJECTION: forcing a failure.
[ 62.637708][ T595] name failslab, interval 1, probability 0, space 0, times 0
[ 62.650832][ T595] CPU: 0 PID: 595 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 62.662388][ T595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 62.672510][ T595] Call Trace:
[ 62.675867][ T595] dump_stack+0x19c/0x1e2
[ 62.680177][ T595] should_fail+0x3f7/0x5b0
[ 62.684576][ T595] __should_failslab+0xd2/0x130
[ 62.689400][ T595] should_failslab+0x9/0x20
[ 62.693892][ T595] slab_pre_alloc_hook+0x25/0xe0
[ 62.698829][ T595] ? __kernfs_new_node+0x4c/0x6d0
[ 62.703942][ T595] __kmalloc_track_caller+0x70/0x300
[ 62.709227][ T595] ? __kernfs_new_node+0x4c/0x6d0
[ 62.714330][ T595] kstrdup_const+0x55/0x90
[ 62.718755][ T595] __kernfs_new_node+0x4c/0x6d0
[ 62.723581][ T595] ? string+0x29f/0x2b0
[ 62.727714][ T595] ? vsnprintf+0x1a6c/0x1b30
[ 62.732330][ T595] kernfs_new_node+0x97/0x170
[ 62.736995][ T595] __kernfs_create_file+0x4a/0x270
[ 62.742688][ T595] cgroup_addrm_files+0x99e/0xeb0
[ 62.747814][ T595] ? delete_node+0x747/0x7a0
[ 62.752643][ T595] css_populate_dir+0x137/0x370
[ 62.757468][ T595] cgroup_apply_control_enable+0x5cd/0xf70
[ 62.763271][ T595] cgroup_apply_control+0x36/0x710
[ 62.768354][ T595] ? init_wait_entry+0xe0/0xe0
[ 62.773096][ T595] ? cgroup_kn_lock_live+0x1af/0x370
[ 62.778358][ T595] cgroup_subtree_control_write+0xd05/0x12d0
[ 62.784401][ T595] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 62.790357][ T595] cgroup_file_write+0x22f/0x4f0
[ 62.795358][ T595] kernfs_fop_write_iter+0x2cd/0x410
[ 62.800629][ T595] ? cgroup_seqfile_stop+0xc0/0xc0
[ 62.805716][ T595] vfs_write+0xb57/0xe50
[ 62.810021][ T595] ksys_write+0x157/0x260
[ 62.814360][ T595] __x64_sys_write+0x7b/0x90
[ 62.819148][ T595] do_syscall_64+0x34/0x70
[ 62.823545][ T595] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 62.829497][ T595] RIP: 0033:0x7f9216a470e9
2022/06/01 17:53:59 executed programs: 65
[ 62.833901][ T595] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 62.853481][ T595] RSP: 002b:00007f921699c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 62.861898][ T595] RAX: ffffffffffffffda RBX: 00007f9216b5a030 RCX: 00007f9216a470e9
[ 62.869868][ T595] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 62.878004][ T595] RBP: 00007f921699c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 62.885971][ T595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 62.893992][ T595] R13: 00007ffdf497e50f R14: 00007f921699c300 R15: 0000000000022000
[ 62.902378][ T595] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 62.909802][ T595] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 62.939082][ C0] !!!!! css_killed_ref_fn css ffff8881112d4c00 !!!
[ 62.946013][ C0] !!!!! css_killed_ref_fn css ffff8881112d4400 !!!
[ 62.952565][ C0] !!!!! css_killed_ref_fn css ffff8881112d7800 !!!
[ 62.959174][ T377] !!!!! css_release css ffff8881112d4c00 !!!
[ 62.965456][ T377] !!!!! css_release css ffff8881112d4400 !!!
[ 62.971847][ T606] FAULT_INJECTION: forcing a failure.
[ 62.971847][ T606] name failslab, interval 1, probability 0, space 0, times 0
[ 62.984648][ T606] CPU: 1 PID: 606 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 62.996680][ T606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 63.007009][ T606] Call Trace:
[ 63.010373][ T606] dump_stack+0x19c/0x1e2
[ 63.014982][ T606] should_fail+0x3f7/0x5b0
[ 63.019373][ T606] __should_failslab+0xd2/0x130
[ 63.024290][ T606] should_failslab+0x9/0x20
[ 63.028886][ T606] slab_pre_alloc_hook+0x25/0xe0
[ 63.033891][ T606] kmem_cache_alloc_trace+0x47/0x2b0
[ 63.039543][ T606] ? percpu_ref_init+0xd0/0x330
[ 63.044392][ T606] percpu_ref_init+0xd0/0x330
[ 63.049056][ T606] ? cgroup_setup_root+0x8a0/0x8a0
[ 63.054976][ T606] cgroup_apply_control_enable+0x3d2/0xf70
[ 63.060788][ T606] cgroup_apply_control+0x36/0x710
[ 63.066077][ T606] ? init_wait_entry+0xe0/0xe0
[ 63.070843][ T606] ? cgroup_kn_lock_live+0x1af/0x370
[ 63.076129][ T606] cgroup_subtree_control_write+0xd05/0x12d0
[ 63.082172][ T606] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 63.088212][ T606] cgroup_file_write+0x22f/0x4f0
[ 63.093124][ T606] kernfs_fop_write_iter+0x2cd/0x410
[ 63.098382][ T606] ? cgroup_seqfile_stop+0xc0/0xc0
[ 63.103471][ T606] vfs_write+0xb57/0xe50
[ 63.107707][ T606] ksys_write+0x157/0x260
[ 63.112025][ T606] __x64_sys_write+0x7b/0x90
[ 63.116602][ T606] do_syscall_64+0x34/0x70
[ 63.121155][ T606] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 63.127429][ T606] RIP: 0033:0x7f9295a4b0e9
[ 63.131920][ T606] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 63.151529][ T606] RSP: 002b:00007f92959c1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 63.159919][ T606] RAX: ffffffffffffffda RBX: 00007f9295b5df60 RCX: 00007f9295a4b0e9
[ 63.167865][ T606] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 63.175812][ T606] RBP: 00007f92959c11d0 R08: 0000000000000000 R09: 0000000000000000
[ 63.184121][ T606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 63.192070][ T606] R13: 00007ffea8f54faf R14: 00007f92959c1300 R15: 0000000000022000
[ 63.200397][ T606] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 63.208261][ T414] ------------[ cut here ]------------
[ 63.213783][ T414] WARNING: CPU: 0 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 63.222721][ T414] Modules linked in:
[ 63.226609][ T414] CPU: 0 PID: 414 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 63.238523][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 63.248810][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 63.254792][ T414] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 63.274594][ T414] RSP: 0018:ffffc90000f17d58 EFLAGS: 00010293
[ 63.280675][ T414] RAX: ffffffff81af1a0c RBX: ffff888102af7160 RCX: ffff8881025d2dc0
[ 63.288647][ T414] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 63.296652][ T414] RBP: ffffc90000f17dc8 R08: ffffffff81af1737 R09: fffff520001e2fa3
[ 63.304629][ T414] R10: fffff520001e2fa3 R11: 1ffff920001e2fa2 R12: dffffc0000000000
[ 63.312618][ T414] R13: ffff888102af7080 R14: 00000000fffffffe R15: 0000000000000000
[ 63.320600][ T414] FS: 0000555555e34400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 63.329703][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 63.336282][ T414] CR2: 00007f921699bff8 CR3: 000000010935e000 CR4: 00000000003506b0
[ 63.344450][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 63.352884][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 63.361049][ T414] Call Trace:
[ 63.364427][ T414] ? init_wait_entry+0xe0/0xe0
[ 63.369604][ T414] ? up_write+0x68/0x140
[ 63.373838][ T414] namespace_unlock+0x377/0x420
[ 63.378684][ T414] path_umount+0xe23/0xed0
[ 63.383139][ T414] __x64_sys_umount+0xe8/0x110
[ 63.387904][ T414] do_syscall_64+0x34/0x70
[ 63.392846][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 63.398740][ T414] RIP: 0033:0x7f9295a4c557
[ 63.403181][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 63.422936][ T414] RSP: 002b:00007ffea8f54108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 63.431545][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9295a4c557
[ 63.439545][ T414] RDX: 00007ffea8f541da RSI: 000000000000000a RDI: 00007ffea8f541d0
[ 63.447887][ T414] RBP: 00007ffea8f541d0 R08: 00000000ffffffff R09: 00007ffea8f53fa0
[ 63.456012][ T414] R10: 0000555555e35ba3 R11: 0000000000000246 R12: 00007f9295aa41f8
[ 63.464621][ T414] R13: 00007ffea8f55290 R14: 0000555555e35b00 R15: 00007ffea8f552d0
[ 63.472616][ T414] ---[ end trace 84e0bdab5464fe37 ]---
[ 63.478451][ T414] ------------[ cut here ]------------
[ 63.484177][ T414] WARNING: CPU: 0 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 63.493660][ T414] Modules linked in:
[ 63.497928][ T414] CPU: 0 PID: 414 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 63.509675][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 63.520011][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 63.526135][ T414] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 63.547418][ T414] RSP: 0018:ffffc90000f17dd0 EFLAGS: 00010293
[ 63.553535][ T414] RAX: ffffffff81af1a0c RBX: ffff888102af7160 RCX: ffff8881025d2dc0
[ 63.561655][ T414] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000
[ 63.569651][ T414] RBP: ffffc90000f17e40 R08: ffffffff81af1737 R09: fffff520001e2fb2
[ 63.577859][ T414] R10: fffff520001e2fb2 R11: 1ffff920001e2fb1 R12: dffffc0000000000
[ 63.585885][ T414] R13: ffff888102af7080 R14: 00000000fffffffd R15: 0000000000000000
[ 63.593973][ T414] FS: 0000555555e34400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 63.603035][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 63.609893][ T414] CR2: 00007f921699bff8 CR3: 000000010935e000 CR4: 00000000003506b0
[ 63.617947][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 63.625948][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 63.633935][ T414] Call Trace:
[ 63.637210][ T414] path_umount+0x1ad/0xed0
[ 63.641740][ T414] __x64_sys_umount+0xe8/0x110
[ 63.646501][ T414] do_syscall_64+0x34/0x70
[ 63.651084][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 63.656972][ T414] RIP: 0033:0x7f9295a4c557
[ 63.661684][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 63.681691][ T414] RSP: 002b:00007ffea8f54108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 63.690318][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9295a4c557
[ 63.698399][ T414] RDX: 00007ffea8f541da RSI: 000000000000000a RDI: 00007ffea8f541d0
[ 63.706495][ T414] RBP: 00007ffea8f541d0 R08: 00000000ffffffff R09: 00007ffea8f53fa0
[ 63.714510][ T414] R10: 0000555555e35ba3 R11: 0000000000000246 R12: 00007f9295aa41f8
[ 63.722784][ T414] R13: 00007ffea8f55290 R14: 0000555555e35b00 R15: 00007ffea8f552d0
[ 63.731440][ T414] ---[ end trace 84e0bdab5464fe38 ]---
[ 63.742488][ C0] !!!!! css_killed_ref_fn css ffff8881114b4800 !!!
[ 63.749404][ C0] !!!!! css_killed_ref_fn css ffff8881114b4c00 !!!
[ 63.755960][ T5] !!!!! css_release css ffff8881114b4800 !!!
[ 63.762262][ T5] !!!!! css_release css ffff8881114b4c00 !!!
[ 63.768273][ T616] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 63.768540][ T610] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 63.774807][ T613] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 63.781769][ T617] FAULT_INJECTION: forcing a failure.
[ 63.781769][ T617] name failslab, interval 1, probability 0, space 0, times 0
[ 63.800415][ T617] CPU: 0 PID: 617 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 63.812470][ T617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 63.823106][ T617] Call Trace:
[ 63.827031][ T617] dump_stack+0x19c/0x1e2
[ 63.831356][ T617] should_fail+0x3f7/0x5b0
[ 63.835881][ T617] __should_failslab+0xd2/0x130
[ 63.840744][ T617] should_failslab+0x9/0x20
[ 63.845370][ T617] slab_pre_alloc_hook+0x25/0xe0
[ 63.850299][ T617] ? __kernfs_new_node+0x4c/0x6d0
[ 63.855505][ T617] __kmalloc_track_caller+0x70/0x300
[ 63.860783][ T617] ? __kernfs_new_node+0x4c/0x6d0
[ 63.865796][ T617] kstrdup_const+0x55/0x90
[ 63.870308][ T617] __kernfs_new_node+0x4c/0x6d0
[ 63.875373][ T617] ? string+0x29f/0x2b0
[ 63.879529][ T617] ? vsnprintf+0x1a6c/0x1b30
[ 63.884368][ T617] kernfs_new_node+0x97/0x170
[ 63.889202][ T617] __kernfs_create_file+0x4a/0x270
[ 63.894317][ T617] cgroup_addrm_files+0x99e/0xeb0
[ 63.899324][ T617] ? delete_node+0x747/0x7a0
[ 63.903921][ T617] css_populate_dir+0x137/0x370
[ 63.908954][ T617] cgroup_apply_control_enable+0x5cd/0xf70
[ 63.914880][ T617] cgroup_apply_control+0x36/0x710
[ 63.920087][ T617] ? init_wait_entry+0xe0/0xe0
[ 63.924894][ T617] ? cgroup_kn_lock_live+0x1af/0x370
[ 63.930431][ T617] cgroup_subtree_control_write+0xd05/0x12d0
[ 63.936410][ T617] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 63.942402][ T617] cgroup_file_write+0x22f/0x4f0
[ 63.947329][ T617] kernfs_fop_write_iter+0x2cd/0x410
[ 63.952588][ T617] ? cgroup_seqfile_stop+0xc0/0xc0
[ 63.957705][ T617] vfs_write+0xb57/0xe50
[ 63.961939][ T617] ksys_write+0x157/0x260
[ 63.966261][ T617] __x64_sys_write+0x7b/0x90
[ 63.971692][ T617] do_syscall_64+0x34/0x70
[ 63.976102][ T617] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 63.982001][ T617] RIP: 0033:0x7f499fc5c0e9
[ 63.986418][ T617] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 64.006218][ T617] RSP: 002b:00007f499fbb1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 64.014747][ T617] RAX: ffffffffffffffda RBX: 00007f499fd6f030 RCX: 00007f499fc5c0e9
[ 64.022710][ T617] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 64.030669][ T617] RBP: 00007f499fbb11d0 R08: 0000000000000000 R09: 0000000000000000
[ 64.038622][ T617] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 64.046592][ T617] R13: 00007fffd52c57bf R14: 00007f499fbb1300 R15: 0000000000022000
[ 64.055483][ T617] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 64.062999][ T617] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 64.089164][ C1] !!!!! css_killed_ref_fn css ffff8881114b3800 !!!
[ 64.095702][ C1] !!!!! css_killed_ref_fn css ffff8881114b1c00 !!!
[ 64.102271][ C1] !!!!! css_killed_ref_fn css ffff88810d3ac800 !!!
[ 64.108826][ T378] !!!!! css_release css ffff8881114b3800 !!!
[ 64.115230][ T378] !!!!! css_release css ffff8881114b1c00 !!!
[ 64.121358][ T378] !!!!! css_release css ffff88810d3ac800 !!!
[ 64.128019][ T601] FAULT_INJECTION: forcing a failure.
[ 64.128019][ T601] name failslab, interval 1, probability 0, space 0, times 0
[ 64.140857][ T601] CPU: 1 PID: 601 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 64.152386][ T601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 64.162435][ T601] Call Trace:
[ 64.165720][ T601] dump_stack+0x19c/0x1e2
[ 64.170131][ T601] should_fail+0x3f7/0x5b0
[ 64.174538][ T601] __should_failslab+0xd2/0x130
[ 64.179382][ T601] should_failslab+0x9/0x20
[ 64.184400][ T601] slab_pre_alloc_hook+0x25/0xe0
[ 64.189335][ T601] kmem_cache_alloc_trace+0x47/0x2b0
[ 64.194626][ T601] ? pids_css_alloc+0x4e/0x120
[ 64.199481][ T601] pids_css_alloc+0x4e/0x120
[ 64.204058][ T601] cgroup_apply_control_enable+0x381/0xf70
[ 64.209883][ T601] cgroup_apply_control+0x36/0x710
[ 64.215296][ T601] ? init_wait_entry+0xe0/0xe0
[ 64.220047][ T601] ? cgroup_kn_lock_live+0x1af/0x370
[ 64.225438][ T601] cgroup_subtree_control_write+0xd05/0x12d0
[ 64.232855][ T601] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 64.239031][ T601] cgroup_file_write+0x22f/0x4f0
[ 64.244050][ T601] kernfs_fop_write_iter+0x2cd/0x410
[ 64.249456][ T601] ? cgroup_seqfile_stop+0xc0/0xc0
[ 64.254667][ T601] vfs_write+0xb57/0xe50
[ 64.258908][ T601] ksys_write+0x157/0x260
[ 64.263629][ T601] __x64_sys_write+0x7b/0x90
[ 64.268233][ T601] do_syscall_64+0x34/0x70
[ 64.272755][ T601] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 64.278924][ T601] RIP: 0033:0x7fbd869e10e9
[ 64.283322][ T601] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 64.303003][ T601] RSP: 002b:00007fbd86936168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 64.311515][ T601] RAX: ffffffffffffffda RBX: 00007fbd86af4030 RCX: 00007fbd869e10e9
[ 64.319872][ T601] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 64.328481][ T601] RBP: 00007fbd869361d0 R08: 0000000000000000 R09: 0000000000000000
[ 64.336629][ T601] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 64.344672][ T601] R13: 00007ffc2d31856f R14: 00007fbd86936300 R15: 0000000000022000
[ 64.352965][ T601] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 64.399082][ C1] !!!!! css_killed_ref_fn css ffff8881111ed000 !!!
[ 64.405643][ C1] !!!!! css_killed_ref_fn css ffff8881111eec00 !!!
[ 64.412821][ T378] !!!!! css_release css ffff8881111ed000 !!!
[ 64.419106][ T378] !!!!! css_release css ffff8881111eec00 !!!
[ 64.425429][ T611] FAULT_INJECTION: forcing a failure.
[ 64.425429][ T611] name failslab, interval 1, probability 0, space 0, times 0
[ 64.439660][ T611] CPU: 0 PID: 611 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 64.451935][ T611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 64.462367][ T611] Call Trace:
[ 64.465766][ T611] dump_stack+0x19c/0x1e2
[ 64.470085][ T611] should_fail+0x3f7/0x5b0
[ 64.474478][ T611] __should_failslab+0xd2/0x130
[ 64.479302][ T611] should_failslab+0x9/0x20
[ 64.483786][ T611] slab_pre_alloc_hook+0x25/0xe0
[ 64.488815][ T611] kmem_cache_alloc_trace+0x47/0x2b0
[ 64.494133][ T611] ? percpu_ref_init+0xd0/0x330
[ 64.499681][ T611] percpu_ref_init+0xd0/0x330
[ 64.504454][ T611] ? cgroup_setup_root+0x8a0/0x8a0
[ 64.509542][ T611] cgroup_apply_control_enable+0x3d2/0xf70
[ 64.515369][ T611] cgroup_apply_control+0x36/0x710
[ 64.520458][ T611] ? init_wait_entry+0xe0/0xe0
[ 64.525652][ T611] ? cgroup_kn_lock_live+0x1af/0x370
[ 64.530991][ T611] cgroup_subtree_control_write+0xd05/0x12d0
[ 64.536966][ T611] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 64.543053][ T611] cgroup_file_write+0x22f/0x4f0
[ 64.547976][ T611] kernfs_fop_write_iter+0x2cd/0x410
[ 64.553335][ T611] ? cgroup_seqfile_stop+0xc0/0xc0
[ 64.558427][ T611] vfs_write+0xb57/0xe50
[ 64.562749][ T611] ksys_write+0x157/0x260
[ 64.567073][ T611] __x64_sys_write+0x7b/0x90
[ 64.571657][ T611] do_syscall_64+0x34/0x70
[ 64.576068][ T611] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 64.582872][ T611] RIP: 0033:0x7fb7f2ddf0e9
[ 64.587354][ T611] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 64.606936][ T611] RSP: 002b:00007fb7f2d34168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 64.616229][ T611] RAX: ffffffffffffffda RBX: 00007fb7f2ef2030 RCX: 00007fb7f2ddf0e9
[ 64.624496][ T611] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 64.632473][ T611] RBP: 00007fb7f2d341d0 R08: 0000000000000000 R09: 0000000000000000
[ 64.640528][ T611] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 64.648501][ T611] R13: 00007fffc859aa1f R14: 00007fb7f2d34300 R15: 0000000000022000
[ 64.657188][ T611] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 64.679067][ C0] !!!!! css_killed_ref_fn css ffff88811186d400 !!!
[ 64.685631][ C0] !!!!! css_killed_ref_fn css ffff88811186e000 !!!
[ 64.692641][ T5] !!!!! css_release css ffff88811186d400 !!!
[ 64.698714][ T5] !!!!! css_release css ffff88811186e000 !!!
[ 64.704948][ T631] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 64.709381][ T614] FAULT_INJECTION: forcing a failure.
[ 64.709381][ T614] name failslab, interval 1, probability 0, space 0, times 0
[ 64.725018][ T614] CPU: 0 PID: 614 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 64.737101][ T614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 64.747226][ T614] Call Trace:
[ 64.750502][ T614] dump_stack+0x19c/0x1e2
[ 64.754954][ T614] should_fail+0x3f7/0x5b0
[ 64.759357][ T614] __should_failslab+0xd2/0x130
[ 64.764200][ T614] should_failslab+0x9/0x20
[ 64.768696][ T614] slab_pre_alloc_hook+0x25/0xe0
[ 64.773650][ T614] kmem_cache_alloc_trace+0x47/0x2b0
[ 64.778933][ T614] ? percpu_ref_init+0xd0/0x330
[ 64.783766][ T614] percpu_ref_init+0xd0/0x330
[ 64.788425][ T614] ? cgroup_setup_root+0x8a0/0x8a0
[ 64.793534][ T614] cgroup_apply_control_enable+0x3d2/0xf70
[ 64.799318][ T614] cgroup_apply_control+0x36/0x710
[ 64.804516][ T614] ? init_wait_entry+0xe0/0xe0
[ 64.809272][ T614] ? cgroup_kn_lock_live+0x1af/0x370
[ 64.814629][ T614] cgroup_subtree_control_write+0xd05/0x12d0
[ 64.820597][ T614] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 64.826553][ T614] cgroup_file_write+0x22f/0x4f0
[ 64.831473][ T614] kernfs_fop_write_iter+0x2cd/0x410
[ 64.836735][ T614] ? cgroup_seqfile_stop+0xc0/0xc0
[ 64.841834][ T614] vfs_write+0xb57/0xe50
[ 64.846090][ T614] ksys_write+0x157/0x260
[ 64.850421][ T614] __x64_sys_write+0x7b/0x90
[ 64.855017][ T614] do_syscall_64+0x34/0x70
[ 64.859426][ T614] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 64.865385][ T614] RIP: 0033:0x7faede8f60e9
[ 64.869872][ T614] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 64.889555][ T614] RSP: 002b:00007faede84b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 64.897959][ T614] RAX: ffffffffffffffda RBX: 00007faedea09030 RCX: 00007faede8f60e9
[ 64.905919][ T614] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 64.913889][ T614] RBP: 00007faede84b1d0 R08: 0000000000000000 R09: 0000000000000000
[ 64.921966][ T614] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 64.930096][ T614] R13: 00007ffcf159dfef R14: 00007faede84b300 R15: 0000000000022000
[ 64.938374][ T614] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 64.959118][ C0] !!!!! css_killed_ref_fn css ffff88811186f800 !!!
[ 64.966303][ C0] !!!!! css_killed_ref_fn css ffff88811186dc00 !!!
[ 64.973094][ T377] !!!!! css_release css ffff88811186f800 !!!
[ 64.979396][ T377] !!!!! css_release css ffff88811186dc00 !!!
[ 64.985595][ T622] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 64.989253][ T625] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 64.992218][ T619] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 64.998776][ T626] FAULT_INJECTION: forcing a failure.
[ 64.998776][ T626] name failslab, interval 1, probability 0, space 0, times 0
[ 65.018020][ T626] CPU: 0 PID: 626 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 65.029633][ T626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 65.040846][ T626] Call Trace:
[ 65.044142][ T626] dump_stack+0x19c/0x1e2
[ 65.048639][ T626] should_fail+0x3f7/0x5b0
[ 65.053045][ T626] __should_failslab+0xd2/0x130
[ 65.057954][ T626] should_failslab+0x9/0x20
[ 65.062637][ T626] slab_pre_alloc_hook+0x25/0xe0
[ 65.067559][ T626] ? __kernfs_new_node+0x4c/0x6d0
[ 65.072582][ T626] __kmalloc_track_caller+0x70/0x300
[ 65.077856][ T626] ? __kernfs_new_node+0x4c/0x6d0
[ 65.084257][ T626] kstrdup_const+0x55/0x90
[ 65.088690][ T626] __kernfs_new_node+0x4c/0x6d0
[ 65.093991][ T626] ? string+0x29f/0x2b0
[ 65.098178][ T626] ? vsnprintf+0x1a6c/0x1b30
[ 65.102861][ T626] kernfs_new_node+0x97/0x170
[ 65.107528][ T626] __kernfs_create_file+0x4a/0x270
[ 65.112732][ T626] cgroup_addrm_files+0x99e/0xeb0
[ 65.117750][ T626] ? delete_node+0x747/0x7a0
[ 65.122330][ T626] css_populate_dir+0x137/0x370
[ 65.127191][ T626] cgroup_apply_control_enable+0x5cd/0xf70
[ 65.133255][ T626] cgroup_apply_control+0x36/0x710
[ 65.138360][ T626] ? init_wait_entry+0xe0/0xe0
[ 65.143203][ T626] ? cgroup_kn_lock_live+0x1af/0x370
[ 65.148575][ T626] cgroup_subtree_control_write+0xd05/0x12d0
[ 65.154909][ T626] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 65.160877][ T626] cgroup_file_write+0x22f/0x4f0
[ 65.166022][ T626] kernfs_fop_write_iter+0x2cd/0x410
[ 65.171306][ T626] ? cgroup_seqfile_stop+0xc0/0xc0
[ 65.176545][ T626] vfs_write+0xb57/0xe50
[ 65.180868][ T626] ksys_write+0x157/0x260
[ 65.185366][ T626] __x64_sys_write+0x7b/0x90
[ 65.190123][ T626] do_syscall_64+0x34/0x70
[ 65.194547][ T626] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 65.200441][ T626] RIP: 0033:0x7f499fc5c0e9
[ 65.205531][ T626] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 65.226019][ T626] RSP: 002b:00007f499fbb1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 65.234806][ T626] RAX: ffffffffffffffda RBX: 00007f499fd6f030 RCX: 00007f499fc5c0e9
[ 65.243097][ T626] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 65.251682][ T626] RBP: 00007f499fbb11d0 R08: 0000000000000000 R09: 0000000000000000
[ 65.260352][ T626] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 65.268597][ T626] R13: 00007fffd52c57bf R14: 00007f499fbb1300 R15: 0000000000022000
[ 65.277822][ T626] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 65.286002][ T626] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 65.294737][ T408] ------------[ cut here ]------------
[ 65.301246][ T408] WARNING: CPU: 1 PID: 408 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 65.310207][ T408] Modules linked in:
[ 65.314246][ T408] CPU: 1 PID: 408 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 65.325875][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 65.336067][ T408] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 65.341721][ T408] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 65.361740][ T408] RSP: 0018:ffffc90000eb7d58 EFLAGS: 00010293
[ 65.367924][ T408] RAX: ffffffff81af1a0c RBX: ffff888110edee60 RCX: ffff8881025feac0
[ 65.376276][ T408] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 65.384547][ T408] RBP: ffffc90000eb7dc8 R08: ffffffff81af1737 R09: fffff520001d6fa3
[ 65.392595][ T408] R10: fffff520001d6fa3 R11: 1ffff920001d6fa2 R12: dffffc0000000000
[ 65.400800][ T408] R13: ffff888110eded80 R14: 00000000ffffffff R15: 0000000000000000
[ 65.409455][ T408] FS: 000055555729a400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 65.419077][ T408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 65.425748][ T408] CR2: 00005555572a3b38 CR3: 000000011848a000 CR4: 00000000003506a0
[ 65.435569][ T408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 65.443812][ T408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 65.452792][ T408] Call Trace:
[ 65.456497][ T408] ? init_wait_entry+0xe0/0xe0
[ 65.461699][ T408] ? up_write+0x68/0x140
[ 65.466213][ T408] namespace_unlock+0x377/0x420
[ 65.471468][ T408] path_umount+0xe23/0xed0
[ 65.476462][ T408] __x64_sys_umount+0xe8/0x110
[ 65.481830][ T408] do_syscall_64+0x34/0x70
[ 65.487892][ T408] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 65.495404][ T408] RIP: 0033:0x7f499fc5d557
[ 65.500391][ T408] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 65.521372][ T408] RSP: 002b:00007fffd52c4918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 65.531484][ T408] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f499fc5d557
[ 65.540978][ T408] RDX: 00007fffd52c49e9 RSI: 000000000000000a RDI: 00007fffd52c49e0
[ 65.549839][ T408] RBP: 00007fffd52c49e0 R08: 00000000ffffffff R09: 00007fffd52c47b0
[ 65.558884][ T408] R10: 000055555729bba3 R11: 0000000000000246 R12: 00007f499fcb51f8
[ 65.567725][ T408] R13: 00007fffd52c5aa0 R14: 000055555729bb00 R15: 00007fffd52c5ae0
[ 65.576195][ T408] ---[ end trace 84e0bdab5464fe39 ]---
[ 65.582993][ T408] ------------[ cut here ]------------
[ 65.588748][ T408] WARNING: CPU: 0 PID: 408 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 65.598113][ T408] Modules linked in:
[ 65.602112][ C0] !!!!! css_killed_ref_fn css ffff888111850800 !!!
[ 65.602132][ C0] !!!!! css_killed_ref_fn css ffff888111850c00 !!!
[ 65.602138][ C0] !!!!! css_killed_ref_fn css ffff888111850400 !!!
[ 65.624472][ T408] CPU: 0 PID: 408 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 65.636676][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 65.647679][ T408] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 65.653455][ T408] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 65.674933][ T408] RSP: 0018:ffffc90000eb7dd0 EFLAGS: 00010293
[ 65.681324][ T408] RAX: ffffffff81af1a0c RBX: ffff888110edee60 RCX: ffff8881025feac0
[ 65.690032][ T408] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 65.698111][ T408] RBP: ffffc90000eb7e40 R08: ffffffff81af1737 R09: fffff520001d6fb2
[ 65.706555][ T408] R10: fffff520001d6fb2 R11: 1ffff920001d6fb1 R12: dffffc0000000000
[ 65.715915][ T408] R13: ffff888110eded80 R14: 00000000fffffffe R15: 0000000000000000
[ 65.724729][ T408] FS: 000055555729a400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 65.735510][ T408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 65.742917][ T408] CR2: 00007faedea0a090 CR3: 000000011848a000 CR4: 00000000003506b0
[ 65.752069][ T408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 65.760359][ T408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 65.768455][ T408] Call Trace:
[ 65.771775][ T408] path_umount+0x1ad/0xed0
[ 65.776198][ T408] __x64_sys_umount+0xe8/0x110
[ 65.781214][ T408] do_syscall_64+0x34/0x70
[ 65.785633][ T408] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 65.791547][ T408] RIP: 0033:0x7f499fc5d557
[ 65.796862][ T408] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 65.816979][ T408] RSP: 002b:00007fffd52c4918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 65.825676][ T408] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f499fc5d557
[ 65.833672][ T408] RDX: 00007fffd52c49e9 RSI: 000000000000000a RDI: 00007fffd52c49e0
[ 65.842139][ T408] RBP: 00007fffd52c49e0 R08: 00000000ffffffff R09: 00007fffd52c47b0
[ 65.850238][ T408] R10: 000055555729bba3 R11: 0000000000000246 R12: 00007f499fcb51f8
[ 65.858238][ T408] R13: 00007fffd52c5aa0 R14: 000055555729bb00 R15: 00007fffd52c5ae0
[ 65.866358][ T408] ---[ end trace 84e0bdab5464fe3a ]---
[ 65.871971][ T377] !!!!! css_release css ffff888111850800 !!!
[ 65.878372][ T5] !!!!! css_release css ffff888111850c00 !!!
[ 65.885704][ T623] FAULT_INJECTION: forcing a failure.
[ 65.885704][ T623] name failslab, interval 1, probability 0, space 0, times 0
[ 65.899141][ T623] CPU: 0 PID: 623 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 65.910767][ T623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 65.921207][ T623] Call Trace:
[ 65.924497][ T623] dump_stack+0x19c/0x1e2
[ 65.928809][ T623] should_fail+0x3f7/0x5b0
[ 65.933261][ T623] __should_failslab+0xd2/0x130
[ 65.938116][ T623] should_failslab+0x9/0x20
[ 65.942626][ T623] slab_pre_alloc_hook+0x25/0xe0
[ 65.947811][ T623] ? __kernfs_new_node+0x4c/0x6d0
[ 65.952864][ T623] __kmalloc_track_caller+0x70/0x300
[ 65.958286][ T623] ? __kernfs_new_node+0x4c/0x6d0
[ 65.963322][ T623] kstrdup_const+0x55/0x90
[ 65.967828][ T623] __kernfs_new_node+0x4c/0x6d0
[ 65.973535][ T623] ? string+0x29f/0x2b0
[ 65.977858][ T623] ? vsnprintf+0x1a6c/0x1b30
[ 65.982592][ T623] kernfs_new_node+0x97/0x170
[ 65.987302][ T623] __kernfs_create_file+0x4a/0x270
[ 65.992411][ T623] cgroup_addrm_files+0x99e/0xeb0
[ 65.998021][ T623] ? delete_node+0x747/0x7a0
[ 66.002605][ T623] css_populate_dir+0x137/0x370
[ 66.007914][ T623] cgroup_apply_control_enable+0x5cd/0xf70
[ 66.015155][ T623] cgroup_apply_control+0x36/0x710
[ 66.020990][ T623] ? init_wait_entry+0xe0/0xe0
[ 66.025881][ T623] ? cgroup_kn_lock_live+0x1af/0x370
[ 66.031192][ T623] cgroup_subtree_control_write+0xd05/0x12d0
[ 66.037438][ T623] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 66.043798][ T623] cgroup_file_write+0x22f/0x4f0
[ 66.048941][ T623] kernfs_fop_write_iter+0x2cd/0x410
[ 66.054436][ T623] ? cgroup_seqfile_stop+0xc0/0xc0
[ 66.059764][ T623] vfs_write+0xb57/0xe50
[ 66.064246][ T623] ksys_write+0x157/0x260
[ 66.068601][ T623] __x64_sys_write+0x7b/0x90
[ 66.073618][ T623] do_syscall_64+0x34/0x70
[ 66.078366][ T623] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 66.084251][ T623] RIP: 0033:0x7f9295a4b0e9
[ 66.089119][ T623] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 66.111267][ T623] RSP: 002b:00007f92959a0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 66.119690][ T623] RAX: ffffffffffffffda RBX: 00007f9295b5e030 RCX: 00007f9295a4b0e9
[ 66.128608][ T623] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 66.136860][ T623] RBP: 00007f92959a01d0 R08: 0000000000000000 R09: 0000000000000000
[ 66.145279][ T623] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 66.153349][ T623] R13: 00007ffea8f54faf R14: 00007f92959a0300 R15: 0000000000022000
[ 66.163563][ T623] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 66.170830][ T623] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 66.179598][ T414] ------------[ cut here ]------------
[ 66.186283][ T414] WARNING: CPU: 0 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600
[ 66.195525][ T414] Modules linked in:
[ 66.199472][ T414] CPU: 0 PID: 414 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 66.211398][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 66.222045][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600
[ 66.228223][ T414] Code: 48 c7 c2 40 d9 c4 85 e8 92 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 33 59 a7 ff e9 28 fd ff ff
[ 66.248355][ T414] RSP: 0018:ffffc90000f17dd0 EFLAGS: 00010293
[ 66.254508][ T414] RAX: ffffffff81af1a0c RBX: ffff888110ede3e0 RCX: ffff8881025d2dc0
[ 66.262581][ T414] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 66.270675][ T414] RBP: ffffc90000f17e40 R08: ffffffff81af1737 R09: fffff520001e2fb2
[ 66.278709][ T414] R10: fffff520001e2fb2 R11: 1ffff920001e2fb1 R12: dffffc0000000000
[ 66.286853][ T414] R13: ffff888110ede300 R14: 00000000ffffffff R15: 0000000000000000
[ 66.294976][ T414] FS: 0000555555e34400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 66.304140][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 66.310884][ T414] CR2: 000000c000537000 CR3: 000000010935e000 CR4: 00000000003506b0
[ 66.319071][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 66.327052][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 66.335448][ T414] Call Trace:
[ 66.338909][ T414] path_umount+0x1ad/0xed0
[ 66.343547][ T414] __x64_sys_umount+0xe8/0x110
[ 66.348509][ T414] do_syscall_64+0x34/0x70
[ 66.352979][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 66.358992][ T414] RIP: 0033:0x7f9295a4c557
[ 66.363662][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 66.383495][ T414] RSP: 002b:00007ffea8f54108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 66.392189][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9295a4c557
[ 66.400270][ T414] RDX: 00007ffea8f541da RSI: 000000000000000a RDI: 00007ffea8f541d0
[ 66.408436][ T414] RBP: 00007ffea8f541d0 R08: 00000000ffffffff R09: 00007ffea8f53fa0
[ 66.416825][ T414] R10: 0000555555e35ba3 R11: 0000000000000246 R12: 00007f9295aa41f8
[ 66.425094][ T414] R13: 00007ffea8f55290 R14: 0000555555e35b00 R15: 00007ffea8f552d0
[ 66.433172][ T414] ---[ end trace 84e0bdab5464fe3b ]---
[ 66.438876][ T414] ------------[ cut here ]------------
[ 66.438894][ C0] !!!!! css_killed_ref_fn css ffff888111a1c800 !!!
[ 66.444725][ T414] WARNING: CPU: 1 PID: 414 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510
[ 66.450876][ C0] !!!!! css_killed_ref_fn css ffff888111a1cc00 !!!
[ 66.459699][ T414] Modules linked in:
[ 66.465969][ C0] !!!!! css_killed_ref_fn css ffff888111a1c400 !!!
[ 66.466784][ T377] !!!!! css_release css ffff888111a1c800 !!!
[ 66.470310][ T414]
[ 66.476552][ T377] !!!!! css_release css ffff888111a1c400 !!!
[ 66.483079][ T414] CPU: 1 PID: 414 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 66.485631][ T631] FAULT_INJECTION: forcing a failure.
[ 66.485631][ T631] name failslab, interval 1, probability 0, space 0, times 0
[ 66.491370][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 66.503071][ T631] CPU: 0 PID: 631 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 66.515897][ T414] RIP: 0010:cleanup_mnt+0x4c5/0x510
[ 66.525799][ T631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 66.525804][ T631] Call Trace:
[ 66.525822][ T631] dump_stack+0x19c/0x1e2
[ 66.525833][ T631] should_fail+0x3f7/0x5b0
[ 66.525844][ T631] __should_failslab+0xd2/0x130
[ 66.525852][ T631] should_failslab+0x9/0x20
[ 66.525871][ T631] slab_pre_alloc_hook+0x25/0xe0
[ 66.538312][ T414] Code: b3 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e e6 b8 ff 48 8b 7d d0 e8 15 c9 04 00 e9 21 fd ff ff e8 1b e6 b8 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 e0 1f 86 80 e1 07 80 c1 03 38 c1
[ 66.543004][ T631] kmem_cache_alloc_trace+0x47/0x2b0
[ 66.543015][ T631] ? percpu_ref_init+0xd0/0x330
[ 66.543025][ T631] percpu_ref_init+0xd0/0x330
[ 66.543049][ T631] ? cgroup_setup_root+0x8a0/0x8a0
[ 66.553395][ T414] RSP: 0018:ffffc90000f17e30 EFLAGS: 00010293
[ 66.556344][ T631] cgroup_apply_control_enable+0x3d2/0xf70
[ 66.556355][ T631] cgroup_apply_control+0x36/0x710
[ 66.556372][ T631] ? init_wait_entry+0xe0/0xe0
[ 66.561013][ T414]
[ 66.565152][ T631] ? cgroup_kn_lock_live+0x1af/0x370
[ 66.565163][ T631] cgroup_subtree_control_write+0xd05/0x12d0
[ 66.565180][ T631] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 66.570239][ T414] RAX: ffffffff81b024d5 RBX: ffffe8ffffd425f4 RCX: ffff8881025d2dc0
[ 66.574566][ T631] cgroup_file_write+0x22f/0x4f0
[ 66.574576][ T631] kernfs_fop_write_iter+0x2cd/0x410
[ 66.574592][ T631] ? cgroup_seqfile_stop+0xc0/0xc0
[ 66.579933][ T414] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 66.599599][ T631] vfs_write+0xb57/0xe50
[ 66.599611][ T631] ksys_write+0x157/0x260
[ 66.599620][ T631] __x64_sys_write+0x7b/0x90
[ 66.599629][ T631] do_syscall_64+0x34/0x70
[ 66.599645][ T631] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 66.605387][ T414] RBP: ffffc90000f17e80 R08: ffffffff81b021b3 R09: fffff520001e2fcd
[ 66.609897][ T631] RIP: 0033:0x7fb7f2ddf0e9
[ 66.609908][ T631] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 66.609914][ T631] RSP: 002b:00007fb7f2d55168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 66.609927][ T631] RAX: ffffffffffffffda RBX: 00007fb7f2ef1f60 RCX: 00007fb7f2ddf0e9
[ 66.609941][ T631] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 66.614936][ T414] R10: fffff520001e2fcd R11: 1ffff920001e2fcc R12: ffff888110ede348
[ 66.619684][ T631] RBP: 00007fb7f2d551d0 R08: 0000000000000000 R09: 0000000000000000
[ 66.619691][ T631] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 66.619698][ T631] R13: 00007fffc859aa1f R14: 00007fb7f2d55300 R15: 0000000000022000
[ 66.620793][ T631] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 66.626109][ T414] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff
[ 66.820335][ T414] FS: 0000555555e34400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 66.829726][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 66.836302][ T414] CR2: 0000555555e3db38 CR3: 000000010935e000 CR4: 00000000003506a0
[ 66.844298][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 66.852305][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 66.860299][ T414] Call Trace:
[ 66.865957][ T414] __cleanup_mnt+0x19/0x20
[ 66.870402][ T414] task_work_run+0x147/0x1b0
[ 66.875196][ T414] exit_to_user_mode_loop+0xc8/0xe0
[ 66.880807][ T414] syscall_exit_to_user_mode+0x77/0xa0
[ 66.886407][ T414] do_syscall_64+0x40/0x70
[ 66.891167][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 66.897803][ T414] RIP: 0033:0x7f9295a4c557
[ 66.904572][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 66.919080][ C0] !!!!! css_killed_ref_fn css ffff888111b40800 !!!
[ 66.924682][ T414] RSP: 002b:00007ffea8f54108 EFLAGS: 00000246
[ 66.931044][ C0] !!!!! css_killed_ref_fn css ffff888111b40c00 !!!
[ 66.931122][ T5] !!!!! css_release css ffff888111b40800 !!!
[ 66.937162][ T414] ORIG_RAX: 00000000000000a6
[ 66.944544][ T5] !!!!! css_release css ffff888111b40c00 !!!
[ 66.949855][ T414] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9295a4c557
[ 66.954771][ T628] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 66.960473][ T414] RDX: 00007ffea8f541da RSI: 000000000000000a RDI: 00007ffea8f541d0
[ 66.960481][ T414] RBP: 00007ffea8f541d0 R08: 00000000ffffffff R09: 00007ffea8f53fa0
[ 66.960488][ T414] R10: 0000555555e35ba3 R11: 0000000000000246 R12: 00007f9295aa41f8
[ 66.960508][ T414] R13: 00007ffea8f55290 R14: 0000555555e35b00 R15: 00007ffea8f552d0
[ 66.968915][ T620] FAULT_INJECTION: forcing a failure.
[ 66.968915][ T620] name failslab, interval 1, probability 0, space 0, times 0
[ 66.974883][ T414] ---[ end trace 84e0bdab5464fe3c ]---
[ 66.981251][ T639] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 66.983369][ T620] CPU: 0 PID: 620 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 67.043517][ T620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 67.053555][ T620] Call Trace:
[ 67.056874][ T620] dump_stack+0x19c/0x1e2
[ 67.061182][ T620] should_fail+0x3f7/0x5b0
[ 67.065580][ T620] __should_failslab+0xd2/0x130
[ 67.070411][ T620] should_failslab+0x9/0x20
[ 67.074902][ T620] slab_pre_alloc_hook+0x25/0xe0
[ 67.079831][ T620] ? __kernfs_new_node+0x4c/0x6d0
[ 67.084831][ T620] __kmalloc_track_caller+0x70/0x300
[ 67.090104][ T620] ? __kernfs_new_node+0x4c/0x6d0
[ 67.095100][ T620] kstrdup_const+0x55/0x90
[ 67.099490][ T620] __kernfs_new_node+0x4c/0x6d0
[ 67.104313][ T620] ? string+0x29f/0x2b0
[ 67.108441][ T620] ? vsnprintf+0x1a6c/0x1b30
[ 67.113004][ T620] kernfs_new_node+0x97/0x170
[ 67.117668][ T620] __kernfs_create_file+0x4a/0x270
[ 67.122768][ T620] cgroup_addrm_files+0x99e/0xeb0
[ 67.127771][ T620] ? delete_node+0x747/0x7a0
[ 67.132347][ T620] css_populate_dir+0x137/0x370
[ 67.137175][ T620] cgroup_apply_control_enable+0x5cd/0xf70
[ 67.142958][ T620] cgroup_apply_control+0x36/0x710
[ 67.148092][ T620] ? init_wait_entry+0xe0/0xe0
[ 67.152827][ T620] ? cgroup_kn_lock_live+0x1af/0x370
[ 67.158108][ T620] cgroup_subtree_control_write+0xd05/0x12d0
[ 67.164067][ T620] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 67.170193][ T620] cgroup_file_write+0x22f/0x4f0
[ 67.175193][ T620] kernfs_fop_write_iter+0x2cd/0x410
[ 67.180826][ T620] ? cgroup_seqfile_stop+0xc0/0xc0
[ 67.185935][ T620] vfs_write+0xb57/0xe50
[ 67.190171][ T620] ksys_write+0x157/0x260
[ 67.194505][ T620] __x64_sys_write+0x7b/0x90
[ 67.199080][ T620] do_syscall_64+0x34/0x70
[ 67.203492][ T620] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 67.210238][ T620] RIP: 0033:0x7f9216a470e9
[ 67.214648][ T620] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 67.234510][ T620] RSP: 002b:00007f921699c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 67.242907][ T620] RAX: ffffffffffffffda RBX: 00007f9216b5a030 RCX: 00007f9216a470e9
[ 67.250874][ T620] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 67.258925][ T620] RBP: 00007f921699c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 67.267024][ T620] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 67.275004][ T620] R13: 00007ffdf497e50f R14: 00007f921699c300 R15: 0000000000022000
[ 67.284403][ T620] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 67.291710][ T620] !!!!! cgroup_kn_unlock css ffffffff85bb7690 !!!
[ 67.309073][ C0] !!!!! css_killed_ref_fn css ffff888111c67c00 !!!
[ 67.315739][ C0] !!!!! css_killed_ref_fn css ffff888111c67400 !!!
[ 67.322262][ C0] !!!!! css_release css ffff888111c67400 !!!
[ 67.328234][ C0] list_add corruption. prev->next should be next (ffff8881f705b560), but was ffff888111c67470. (prev=ffff888111c67470).
[ 67.340838][ C0] ------------[ cut here ]------------
[ 67.346279][ C0] kernel BUG at lib/list_debug.c:28!
[ 67.351569][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 67.357789][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.10.119-syzkaller-00165-g0a66ee8e523f #0
[ 67.368788][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 67.379165][ C0] RIP: 0010:__list_add_valid+0xde/0xf0
[ 67.385075][ C0] Code: f1 31 c0 e8 b7 cb 1b 02 0f 0b 48 c7 c7 50 3b d6 85 e8 b6 f2 19 00 48 c7 c7 60 f1 02 85 4c 89 f6 4c 89 e1 31 c0 e8 95 cb 1b 02 <0f> 0b 48 c7 c7 60 3b d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5
[ 67.404981][ C0] RSP: 0018:ffffc90000007bc0 EFLAGS: 00010046
[ 67.411054][ C0] RAX: 0000000000000075 RBX: ffff8881f705b568 RCX: 49bfa62f1adb1700
[ 67.419186][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000
[ 67.427164][ C0] RBP: ffffc90000007be8 R08: ffffffff81514558 R09: ffffed103ee04e73
[ 67.435227][ C0] R10: ffffed103ee04e73 R11: 1ffff1103ee04e72 R12: ffff888111c67470
[ 67.443175][ C0] R13: dffffc0000000000 R14: ffff8881f705b560 R15: ffff888111c67470
[ 67.451137][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 67.460183][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 67.466751][ C0] CR2: 00007f9216b5b090 CR3: 0000000109304000 CR4: 00000000003506b0
[ 67.474836][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 67.482919][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 67.490871][ C0] Call Trace:
[ 67.494435][ C0]
[ 67.497302][ C0] insert_work+0xfc/0x330
[ 67.501798][ C0] __queue_work+0x99e/0xe20
[ 67.506370][ C0] queue_work_on+0xbe/0x110
[ 67.510854][ C0] css_release+0xc0/0xd0
[ 67.515185][ C0] percpu_ref_switch_to_atomic_rcu+0x5be/0x5e0
[ 67.521492][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10
[ 67.527536][ C0] rcu_do_batch+0x4ad/0xb00
[ 67.532570][ C0] rcu_core+0x64a/0xdf0
[ 67.536911][ C0] rcu_core_si+0x9/0x10
[ 67.541050][ C0] __do_softirq+0x253/0x67b
[ 67.545548][ C0] asm_call_irq_on_stack+0xf/0x20
[ 67.550700][ C0]
[ 67.553638][ C0] do_softirq_own_stack+0x60/0x80
[ 67.558780][ C0] __irq_exit_rcu+0x152/0x1e0
[ 67.563604][ C0] irq_exit_rcu+0x9/0x10
[ 67.567863][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0
[ 67.573582][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 67.579559][ C0] RIP: 0010:acpi_idle_do_entry+0xbb/0x1f0
[ 67.585262][ C0] Code: 89 de 48 83 e6 08 31 ff e8 b2 e0 0a fd 48 83 e3 08 0f 85 ae 00 00 00 e9 0c 00 00 00 e8 7e db 0a fd 0f 00 2d 47 b6 ab 00 fb f4 e9 a1 00 00 00 49 83 c6 04 4c 89 f0 48 c1 e8 03 42 8a 04 38 84
[ 67.604883][ C0] RSP: 0018:ffffffff85a07ce8 EFLAGS: 00000246
[ 67.610928][ C0] RAX: 1ffffffff0b43630 RBX: 0000000000000000 RCX: 0000000000000000
[ 67.618960][ C0] RDX: ffffffff85a1b180 RSI: 0000000000000000 RDI: 0000000000000000
[ 67.626938][ C0] RBP: ffffffff85a07d00 R08: ffffffff845e2f5e R09: fffffbfff0b43631
[ 67.634902][ C0] R10: fffffbfff0b43631 R11: 1ffffffff0b43630 R12: 0000000000000001
[ 67.642992][ C0] R13: ffff8881010e0004 R14: ffff888100071064 R15: dffffc0000000000
[ 67.650952][ C0] ? acpi_idle_do_entry+0x9e/0x1f0
[ 67.656035][ C0] ? acpi_idle_do_entry+0x9e/0x1f0
[ 67.661287][ C0] acpi_idle_enter+0x32d/0x4f0
[ 67.666034][ C0] ? rcu_dynticks_eqs_enter+0xa/0x40
[ 67.671382][ C0] cpuidle_enter_state+0x4c8/0x10d0
[ 67.677005][ C0] cpuidle_enter+0x5f/0xa0
[ 67.681396][ C0] do_idle+0x3a8/0x540
[ 67.685441][ C0] cpu_startup_entry+0x25/0x30
[ 67.690191][ C0] rest_init+0xe6/0xf0
[ 67.694251][ C0] ? time_init+0x38/0x38
[ 67.698466][ C0] arch_call_rest_init+0xe/0x10
[ 67.703295][ C0] start_kernel+0x461/0x4fc
[ 67.707854][ C0] x86_64_start_reservations+0x2a/0x2c
[ 67.713282][ C0] x86_64_start_kernel+0x7a/0x7d
[ 67.718195][ C0] secondary_startup_64_no_verify+0xb0/0xbb
[ 67.724065][ C0] Modules linked in:
[ 67.727944][ C0] ---[ end trace 84e0bdab5464fe3d ]---
[ 67.733392][ C0] RIP: 0010:__list_add_valid+0xde/0xf0
[ 67.738840][ C0] Code: f1 31 c0 e8 b7 cb 1b 02 0f 0b 48 c7 c7 50 3b d6 85 e8 b6 f2 19 00 48 c7 c7 60 f1 02 85 4c 89 f6 4c 89 e1 31 c0 e8 95 cb 1b 02 <0f> 0b 48 c7 c7 60 3b d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5
[ 67.758636][ C0] RSP: 0018:ffffc90000007bc0 EFLAGS: 00010046
[ 67.765246][ C0] RAX: 0000000000000075 RBX: ffff8881f705b568 RCX: 49bfa62f1adb1700
[ 67.773485][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000
[ 67.781719][ C0] RBP: ffffc90000007be8 R08: ffffffff81514558 R09: ffffed103ee04e73
[ 67.789788][ C0] R10: ffffed103ee04e73 R11: 1ffff1103ee04e72 R12: ffff888111c67470
[ 67.797836][ C0] R13: dffffc0000000000 R14: ffff8881f705b560 R15: ffff888111c67470
[ 67.805806][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 67.814727][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 67.821387][ C0] CR2: 00007f9216b5b090 CR3: 0000000109304000 CR4: 00000000003506b0
[ 67.829434][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 67.837478][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 67.845524][ C0] Kernel panic - not syncing: Fatal exception in interrupt
[ 68.948770][ C0] Shutting down cpus with NMI
[ 68.953962][ C0] Kernel Offset: disabled
[ 68.958290][ C0] Rebooting in 86400 seconds..