[ 19.429505][ T383] !!! css_create !!! [ 19.433532][ T383] !!! css_create !!! [ 19.437470][ T383] !!! css_create !!! [ 19.441686][ T383] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 19.911635][ T7] device bridge_slave_1 left promiscuous mode [ 19.917972][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 19.926010][ T7] device bridge_slave_0 left promiscuous mode [ 19.932682][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.158045][ T23] kauditd_printk_skb: 65 callbacks suppressed [ 30.158055][ T23] audit: type=1400 audit(1654021952.480:148): avc: denied { read } for pid=141 comm="syslogd" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Warning: Permanently added '10.128.10.54' (ECDSA) to the list of known hosts. 2022/05/31 18:32:39 parsed 1 programs [ 36.772099][ T23] audit: type=1400 audit(1654021959.100:149): avc: denied { mounton } for pid=410 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 [ 36.772365][ T410] cgroup: Unknown subsys name 'net' [ 36.801151][ T410] cgroup: Unknown subsys name 'devices' [ 36.807717][ T410] cgroup: Unknown subsys name 'hugetlb' [ 36.813523][ T410] cgroup: Unknown subsys name 'rlimit' 2022/05/31 18:32:39 executed programs: 0 [ 36.819766][ T23] audit: type=1400 audit(1654021959.140:150): avc: denied { mounton } for pid=410 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 [ 36.891348][ T23] audit: type=1400 audit(1654021959.140:151): avc: denied { mount } for pid=410 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 [ 36.914995][ T23] audit: type=1400 audit(1654021959.170:152): avc: denied { mounton } for pid=416 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 [ 36.939276][ T23] audit: type=1400 audit(1654021959.170:153): avc: denied { module_request } for pid=416 comm="syz-executor.2" kmod="netdev-nr2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 36.957008][ T422] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.968185][ T422] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.975789][ T422] device bridge_slave_0 entered promiscuous mode [ 37.001268][ T422] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.008846][ T422] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.017131][ T422] device bridge_slave_1 entered promiscuous mode [ 37.044986][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.052920][ T416] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.060191][ T416] device bridge_slave_0 entered promiscuous mode [ 37.084485][ T423] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.092621][ T423] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.100458][ T423] device bridge_slave_0 entered promiscuous mode [ 37.107320][ T416] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.114941][ T416] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.122327][ T416] device bridge_slave_1 entered promiscuous mode [ 37.135164][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.142647][ T418] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.149980][ T418] device bridge_slave_0 entered promiscuous mode [ 37.158399][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.165516][ T418] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.172892][ T418] device bridge_slave_1 entered promiscuous mode [ 37.179431][ T423] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.186601][ T423] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.194317][ T423] device bridge_slave_1 entered promiscuous mode [ 37.216194][ T424] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.223841][ T424] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.231211][ T424] device bridge_slave_0 entered promiscuous mode [ 37.271383][ T424] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.278421][ T424] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.285796][ T424] device bridge_slave_1 entered promiscuous mode [ 37.294715][ T422] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.301979][ T422] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.310207][ T422] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.318001][ T422] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.339795][ T425] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.347107][ T425] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.355007][ T425] device bridge_slave_0 entered promiscuous mode [ 37.385986][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.393196][ T418] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.400457][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.407518][ T418] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.415376][ T425] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.422587][ T425] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.430656][ T425] device bridge_slave_1 entered promiscuous mode [ 37.444005][ T416] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.451164][ T416] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.458559][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.466092][ T416] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.490461][ T423] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.497749][ T423] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.505047][ T423] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.512102][ T423] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.536814][ T19] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.544210][ T19] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.551477][ T19] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.558577][ T19] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.565855][ T19] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.573133][ T19] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.580273][ T19] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.587576][ T19] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.595170][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.602617][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.637671][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.646094][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.653206][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.660515][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.668998][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.676043][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.683637][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.691616][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.711174][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.719087][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.726487][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.734038][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.742179][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.749186][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.756492][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.764635][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.771663][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.778977][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.787263][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.795191][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.803270][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.810264][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.831725][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.848232][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.856872][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.863903][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.871408][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.879242][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.887725][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.895961][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.902978][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.917205][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.925745][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.934181][ T74] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.941390][ T74] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.974542][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.983432][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.991751][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.999993][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.009169][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.017318][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.025779][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.033854][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.042284][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.076142][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.084833][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.093192][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.101007][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.109076][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.117196][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.124825][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.132355][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.140515][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.148618][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.155666][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.163227][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.171524][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.179617][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.186685][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.194493][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.202640][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.210923][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.219054][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.226977][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.235380][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.243925][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.252246][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.260423][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.268795][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.289621][ T423] !!! css_create !!! [ 38.294301][ T23] audit: type=1400 audit(1654021960.610:154): avc: denied { mount } for pid=423 comm="syz-executor.1" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 38.299868][ T423] !!! css_create !!! [ 38.322699][ T423] !!! css_create !!! [ 38.328856][ T423] !!! css_create !!! [ 38.334242][ T423] !!! css_create !!! [ 38.335375][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.338665][ T423] !!! css_create !!! [ 38.346735][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.349818][ T423] !!! css_create !!! [ 38.357737][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.361766][ T423] !!! css_create !!! [ 38.376033][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.383946][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.391808][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.399883][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.408344][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.416614][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.425108][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.433376][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.441837][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.449683][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.457727][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.465915][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.474155][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.482420][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.490669][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.499486][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.508856][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.517129][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.525852][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.534331][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.550978][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.555192][ T422] !!! css_create !!! [ 38.562641][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.563757][ T422] !!! css_create !!! [ 38.569894][ T23] audit: type=1400 audit(1654021960.890:155): avc: denied { mounton } for pid=448 comm="syz-executor.1" path="/root/syzkaller-testdir3339995265/syzkaller.llO0Jy/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 38.575246][ T422] !!! css_create !!! [ 38.601325][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.607838][ T449] !!! cgroup_apply_control_disable [ 38.613516][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.618279][ T449] !!! cgroup_apply_control_disable kill_css ffff888103ddf800 [ 38.626801][ T388] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.633948][ T449] !!! cgroup_apply_control_disable kill_css ffff88810c3aa000 [ 38.640715][ T388] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.648381][ T449] !!! cgroup_apply_control_disable kill_css ffff88810c558c00 [ 38.656059][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.663265][ T424] !!! css_create !!! [ 38.671510][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.674985][ C1] !!! css_killed_ref_fn css ffff888103ddf800 !!! [ 38.683451][ T23] audit: type=1400 audit(1654021961.010:156): 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 [ 38.689133][ C1] !!! css_killed_ref_fn css ffff88810c3aa000 !!! [ 38.711700][ T388] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.717702][ T424] !!! css_create !!! [ 38.724569][ T388] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.725373][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.728777][ T426] !!! css_release css ffff888103ddf800 !!! [ 38.736083][ T23] audit: type=1400 audit(1654021961.010:157): 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 [ 38.743914][ T426] !!! css_put is zero set CSS_NO_REF css ffff888103ddf800 !!! [ 38.749351][ T23] audit: type=1400 audit(1654021961.010:158): 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 [ 38.772311][ C1] !!! css_killed_ref_fn css ffff88810c558c00 !!! [ 38.809276][ T422] !!! css_create !!! [ 38.815421][ T422] !!! css_create !!! [ 38.819585][ T445] !!! css_release css ffff88810c3aa000 !!! [ 38.826208][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810c3aa000 !!! [ 38.835563][ T424] !!! css_create !!! [ 38.840105][ T424] !!! css_create !!! [ 38.845907][ T416] !!! css_create !!! [ 38.849947][ T416] !!! css_create !!! [ 38.854119][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.854971][ T416] !!! css_create !!! [ 38.862622][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.866545][ T416] !!! css_create !!! [ 38.874369][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.878516][ T422] !!! css_create !!! [ 38.886111][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.889956][ T422] !!! css_create !!! [ 38.902815][ T422] !!! css_create !!! [ 38.909131][ T424] !!! css_create !!! [ 38.919658][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.920949][ T424] !!! css_create !!! [ 38.931267][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.933925][ T424] !!! css_create !!! [ 38.942350][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.953456][ T416] !!! css_create !!! [ 38.957574][ T416] !!! css_create !!! [ 38.962114][ T416] !!! css_create !!! [ 38.966139][ T445] !!! css_release css ffff88810c558c00 !!! [ 38.972571][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810c558c00 !!! [ 38.980167][ T425] !!! css_create !!! [ 38.984397][ T425] !!! css_create !!! [ 38.989821][ T425] !!! css_create !!! [ 38.994384][ T425] !!! css_create !!! [ 38.998534][ T450] !!! css_create !!! [ 39.003236][ T450] !!! css_create !!! [ 39.007577][ T450] !!! css_create !!! [ 39.011898][ T450] FAULT_INJECTION: forcing a failure. [ 39.011898][ T450] name failslab, interval 1, probability 0, space 0, times 1 [ 39.024952][ T450] CPU: 0 PID: 450 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 39.035097][ T450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.045231][ T450] Call Trace: [ 39.048501][ T450] dump_stack+0x19c/0x1e2 [ 39.052819][ T450] should_fail+0x3f7/0x5b0 [ 39.057218][ T450] __should_failslab+0xd2/0x130 [ 39.062045][ T450] ? __kernfs_new_node+0x97/0x6d0 [ 39.067072][ T450] should_failslab+0x9/0x20 [ 39.071558][ T450] slab_pre_alloc_hook+0x25/0xe0 [ 39.076673][ T450] ? __kernfs_new_node+0x97/0x6d0 [ 39.081690][ T450] kmem_cache_alloc+0x40/0x2a0 [ 39.086437][ T450] __kernfs_new_node+0x97/0x6d0 [ 39.091524][ T450] ? string+0x29f/0x2b0 [ 39.095775][ T450] ? vsnprintf+0x1a6c/0x1b30 [ 39.100415][ T450] kernfs_new_node+0x97/0x170 [ 39.105090][ T450] __kernfs_create_file+0x4a/0x270 [ 39.110181][ T450] cgroup_addrm_files+0x99e/0xeb0 [ 39.115182][ T450] ? delete_node+0x747/0x7a0 [ 39.119774][ T450] css_populate_dir+0x137/0x370 [ 39.124666][ T450] cgroup_apply_control_enable+0x31e/0xfc0 [ 39.130471][ T450] cgroup_apply_control+0x36/0x710 [ 39.135579][ T450] ? init_wait_entry+0xe0/0xe0 [ 39.140321][ T450] ? cgroup_kn_lock_live+0x1af/0x370 [ 39.145584][ T450] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.151554][ T450] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.157518][ T450] cgroup_file_write+0x22f/0x4f0 [ 39.162442][ T450] kernfs_fop_write_iter+0x2cd/0x410 [ 39.167722][ T450] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.172833][ T450] vfs_write+0xb57/0xe50 [ 39.177137][ T450] ksys_write+0x157/0x260 [ 39.181447][ T450] __x64_sys_write+0x7b/0x90 [ 39.186029][ T450] do_syscall_64+0x34/0x70 [ 39.190449][ T450] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.196323][ T450] RIP: 0033:0x7fd31cb190e9 [ 39.200715][ T450] 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 [ 39.220410][ T450] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.228892][ T450] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 39.236852][ T450] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.244802][ T450] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.252748][ T450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.260703][ T450] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 39.269664][ T450] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 39.276913][ T450] !!! cgroup_apply_control_disable [ 39.282387][ T450] !!! cgroup_apply_control_disable kill_css ffff88811ec7e800 [ 39.289844][ T450] !!! cgroup_apply_control_disable kill_css ffff88811ec79400 [ 39.297435][ T450] !!! cgroup_apply_control_disable kill_css ffff88811ec7ac00 [ 39.305446][ T425] !!! css_create !!! [ 39.310724][ T425] !!! css_create !!! [ 39.314820][ T425] !!! css_create !!! [ 39.321140][ C1] !!! css_killed_ref_fn css ffff88811ec7e800 !!! [ 39.329924][ T426] !!! css_release css ffff88811ec7e800 !!! [ 39.335535][ C0] !!! css_killed_ref_fn css ffff88811ec79400 !!! [ 39.337014][ T426] !!! css_put is zero set CSS_NO_REF css ffff88811ec7e800 !!! [ 39.343072][ C0] !!! css_killed_ref_fn css ffff88811ec7ac00 !!! [ 39.357033][ T388] !!! css_release css ffff88811ec79400 !!! [ 39.367930][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811ec79400 !!! [ 39.380581][ T388] !!! css_release css ffff88811ec7ac00 !!! [ 39.386530][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811ec7ac00 !!! [ 39.394945][ T474] !!! css_create !!! [ 39.398931][ T474] !!! css_create !!! [ 39.403236][ T474] !!! css_create !!! [ 39.407343][ T474] FAULT_INJECTION: forcing a failure. [ 39.407343][ T474] name failslab, interval 1, probability 0, space 0, times 0 [ 39.420097][ T474] CPU: 0 PID: 474 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 39.430323][ T474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.440374][ T474] Call Trace: [ 39.443653][ T474] dump_stack+0x19c/0x1e2 [ 39.447982][ T474] should_fail+0x3f7/0x5b0 [ 39.452404][ T474] __should_failslab+0xd2/0x130 [ 39.457339][ T474] ? __kernfs_new_node+0x97/0x6d0 [ 39.462509][ T474] should_failslab+0x9/0x20 [ 39.466987][ T474] slab_pre_alloc_hook+0x25/0xe0 [ 39.471897][ T474] ? __kernfs_new_node+0x97/0x6d0 [ 39.476904][ T474] kmem_cache_alloc+0x40/0x2a0 [ 39.481669][ T474] __kernfs_new_node+0x97/0x6d0 [ 39.486509][ T474] ? string+0x29f/0x2b0 [ 39.490646][ T474] ? vsnprintf+0x1a6c/0x1b30 [ 39.495213][ T474] kernfs_new_node+0x97/0x170 [ 39.499952][ T474] __kernfs_create_file+0x4a/0x270 [ 39.505038][ T474] cgroup_addrm_files+0x99e/0xeb0 [ 39.510150][ T474] ? delete_node+0x747/0x7a0 [ 39.514819][ T474] css_populate_dir+0x137/0x370 [ 39.519648][ T474] cgroup_apply_control_enable+0x31e/0xfc0 [ 39.525436][ T474] cgroup_apply_control+0x36/0x710 [ 39.530530][ T474] ? init_wait_entry+0xe0/0xe0 [ 39.535450][ T474] ? cgroup_kn_lock_live+0x1af/0x370 [ 39.540719][ T474] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.547463][ T474] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.553415][ T474] cgroup_file_write+0x22f/0x4f0 [ 39.558329][ T474] kernfs_fop_write_iter+0x2cd/0x410 [ 39.563587][ T474] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.568681][ T474] vfs_write+0xb57/0xe50 [ 39.572905][ T474] ksys_write+0x157/0x260 [ 39.577209][ T474] __x64_sys_write+0x7b/0x90 [ 39.581773][ T474] do_syscall_64+0x34/0x70 [ 39.586265][ T474] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.592195][ T474] RIP: 0033:0x7f9ada61d0e9 [ 39.596807][ T474] 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 [ 39.616903][ T474] RSP: 002b:00007f9ada593168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.625393][ T474] RAX: ffffffffffffffda RBX: 00007f9ada72ff60 RCX: 00007f9ada61d0e9 [ 39.633441][ T474] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.641397][ T474] RBP: 00007f9ada5931d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.649519][ T474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.657633][ T474] R13: 00007ffe7bfbafcf R14: 00007f9ada593300 R15: 0000000000022000 [ 39.667462][ T474] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 39.674631][ T474] !!! cgroup_apply_control_disable [ 39.679860][ T474] !!! cgroup_apply_control_disable kill_css ffff88810cc5d800 [ 39.687507][ T474] !!! cgroup_apply_control_disable kill_css ffff88811ed23400 [ 39.695166][ T474] !!! cgroup_apply_control_disable kill_css ffff88811ed22c00 [ 39.711593][ C0] !!! css_killed_ref_fn css ffff88810cc5d800 !!! [ 39.718110][ T74] !!! css_release css ffff88810cc5d800 !!! [ 39.721157][ C1] !!! css_killed_ref_fn css ffff88811ed23400 !!! [ 39.723950][ C0] !!! css_killed_ref_fn css ffff88811ed22c00 !!! [ 39.736889][ T74] !!! css_put is zero set CSS_NO_REF css ffff88810cc5d800 !!! [ 39.744637][ T74] !!! css_release css ffff88811ed22c00 !!! [ 39.750440][ T74] !!! css_put is zero set CSS_NO_REF css ffff88811ed22c00 !!! [ 39.758133][ T445] !!! css_release css ffff88811ed23400 !!! [ 39.764145][ T445] !!! css_put is zero set CSS_NO_REF css ffff88811ed23400 !!! [ 39.771925][ T477] !!! css_create !!! [ 39.775898][ T477] !!! css_create !!! [ 39.779922][ T477] !!! css_create !!! [ 39.783931][ T477] FAULT_INJECTION: forcing a failure. [ 39.783931][ T477] name failslab, interval 1, probability 0, space 0, times 0 [ 39.796684][ T477] CPU: 0 PID: 477 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 39.806937][ T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.817062][ T477] Call Trace: [ 39.820330][ T477] dump_stack+0x19c/0x1e2 [ 39.824636][ T477] should_fail+0x3f7/0x5b0 [ 39.829029][ T477] __should_failslab+0xd2/0x130 [ 39.833853][ T477] ? __kernfs_new_node+0x97/0x6d0 [ 39.838852][ T477] should_failslab+0x9/0x20 [ 39.843335][ T477] slab_pre_alloc_hook+0x25/0xe0 [ 39.848245][ T477] ? __kernfs_new_node+0x97/0x6d0 [ 39.853259][ T477] kmem_cache_alloc+0x40/0x2a0 [ 39.858029][ T477] __kernfs_new_node+0x97/0x6d0 [ 39.862855][ T477] ? string+0x29f/0x2b0 [ 39.866985][ T477] ? vsnprintf+0x1a6c/0x1b30 [ 39.871567][ T477] kernfs_new_node+0x97/0x170 [ 39.876228][ T477] __kernfs_create_file+0x4a/0x270 [ 39.881317][ T477] cgroup_addrm_files+0x99e/0xeb0 [ 39.886323][ T477] ? delete_node+0x747/0x7a0 [ 39.890898][ T477] css_populate_dir+0x137/0x370 [ 39.895756][ T477] cgroup_apply_control_enable+0x31e/0xfc0 [ 39.901721][ T477] cgroup_apply_control+0x36/0x710 [ 39.906813][ T477] ? init_wait_entry+0xe0/0xe0 [ 39.911564][ T477] ? cgroup_kn_lock_live+0x1af/0x370 [ 39.916849][ T477] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.922878][ T477] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.929005][ T477] cgroup_file_write+0x22f/0x4f0 [ 39.933941][ T477] kernfs_fop_write_iter+0x2cd/0x410 [ 39.939214][ T477] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.944323][ T477] vfs_write+0xb57/0xe50 [ 39.948835][ T477] ksys_write+0x157/0x260 [ 39.953171][ T477] __x64_sys_write+0x7b/0x90 [ 39.957759][ T477] do_syscall_64+0x34/0x70 [ 39.962357][ T477] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.968223][ T477] RIP: 0033:0x7fd31cb190e9 [ 39.972630][ T477] 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 [ 39.992617][ T477] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.001130][ T477] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 40.009077][ T477] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.017035][ T477] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.025077][ T477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.033300][ T477] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 40.043638][ T477] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.051089][ T477] !!! cgroup_apply_control_disable [ 40.056836][ T477] !!! cgroup_apply_control_disable kill_css ffff88810d678400 [ 40.064326][ T477] !!! cgroup_apply_control_disable kill_css ffff88810d679c00 [ 40.071935][ T477] !!! cgroup_apply_control_disable kill_css ffff88810d27c000 [ 40.101340][ C0] !!! css_killed_ref_fn css ffff88810d678400 !!! [ 40.108014][ T74] !!! css_release css ffff88810d678400 !!! [ 40.114156][ C0] !!! css_killed_ref_fn css ffff88810d679c00 !!! [ 40.114166][ C0] !!! css_killed_ref_fn css ffff88810d27c000 !!! [ 40.127163][ T74] !!! css_put is zero set CSS_NO_REF css ffff88810d678400 !!! [ 40.134668][ T74] !!! css_release css ffff88810d679c00 !!! [ 40.140476][ T74] !!! css_put is zero set CSS_NO_REF css ffff88810d679c00 !!! [ 40.148370][ T74] !!! css_release css ffff88810d27c000 !!! [ 40.154213][ T74] !!! css_put is zero set CSS_NO_REF css ffff88810d27c000 !!! [ 40.162281][ T480] !!! css_create !!! [ 40.166233][ T480] !!! css_create !!! [ 40.170141][ T480] !!! css_create !!! [ 40.174102][ T480] FAULT_INJECTION: forcing a failure. [ 40.174102][ T480] name failslab, interval 1, probability 0, space 0, times 0 [ 40.186835][ T480] CPU: 0 PID: 480 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 40.197004][ T480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.207052][ T480] Call Trace: [ 40.210509][ T480] dump_stack+0x19c/0x1e2 [ 40.215249][ T480] should_fail+0x3f7/0x5b0 [ 40.219715][ T480] __should_failslab+0xd2/0x130 [ 40.224703][ T480] should_failslab+0x9/0x20 [ 40.229547][ T480] slab_pre_alloc_hook+0x25/0xe0 [ 40.234469][ T480] ? __kernfs_new_node+0x4c/0x6d0 [ 40.240187][ T480] __kmalloc_track_caller+0x70/0x300 [ 40.245819][ T480] ? __kernfs_new_node+0x4c/0x6d0 [ 40.251084][ T480] kstrdup_const+0x55/0x90 [ 40.255491][ T480] __kernfs_new_node+0x4c/0x6d0 [ 40.260414][ T480] ? string+0x29f/0x2b0 [ 40.264720][ T480] ? vsnprintf+0x1a6c/0x1b30 [ 40.269756][ T480] kernfs_new_node+0x97/0x170 [ 40.274418][ T480] __kernfs_create_file+0x4a/0x270 [ 40.279860][ T480] cgroup_addrm_files+0x99e/0xeb0 [ 40.284974][ T480] ? delete_node+0x747/0x7a0 [ 40.289571][ T480] css_populate_dir+0x137/0x370 [ 40.294779][ T480] cgroup_apply_control_enable+0x31e/0xfc0 [ 40.300960][ T480] cgroup_apply_control+0x36/0x710 [ 40.306154][ T480] ? init_wait_entry+0xe0/0xe0 [ 40.311095][ T480] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.317155][ T480] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.323383][ T480] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.329999][ T480] cgroup_file_write+0x22f/0x4f0 [ 40.335125][ T480] kernfs_fop_write_iter+0x2cd/0x410 [ 40.340999][ T480] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.346097][ T480] vfs_write+0xb57/0xe50 [ 40.350416][ T480] ksys_write+0x157/0x260 [ 40.355068][ T480] __x64_sys_write+0x7b/0x90 [ 40.359674][ T480] do_syscall_64+0x34/0x70 [ 40.364081][ T480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.370056][ T480] RIP: 0033:0x7f6f953440e9 [ 40.374460][ 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 [ 40.394250][ T480] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.402642][ T480] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 40.410765][ T480] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.418741][ T480] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.426712][ T480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.434674][ T480] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 40.444315][ T480] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.451469][ T480] !!! cgroup_apply_control_disable [ 40.456593][ T480] !!! cgroup_apply_control_disable kill_css ffff88811edb1400 [ 40.464080][ T480] !!! cgroup_apply_control_disable kill_css ffff88810d7b6c00 [ 40.471703][ T480] !!! cgroup_apply_control_disable kill_css ffff88810d713000 [ 40.487118][ C1] !!! css_killed_ref_fn css ffff88811edb1400 !!! [ 40.493531][ T426] !!! css_release css ffff88811edb1400 !!! [ 40.499321][ T426] !!! css_put is zero set CSS_NO_REF css ffff88811edb1400 !!! [ 40.506943][ C1] !!! css_killed_ref_fn css ffff88810d7b6c00 !!! [ 40.513267][ C1] !!! css_killed_ref_fn css ffff88810d713000 !!! [ 40.519760][ T426] !!! css_release css ffff88810d7b6c00 !!! [ 40.525861][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810d7b6c00 !!! [ 40.533795][ T426] !!! css_release css ffff88810d713000 !!! [ 40.539696][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810d713000 !!! [ 40.547352][ T478] !!! css_create !!! [ 40.551510][ T478] !!! css_create !!! [ 40.555455][ T478] !!! css_create !!! [ 40.559388][ T478] FAULT_INJECTION: forcing a failure. [ 40.559388][ T478] name failslab, interval 1, probability 0, space 0, times 0 [ 40.572168][ T478] CPU: 0 PID: 478 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 40.582298][ T478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.592507][ T478] Call Trace: [ 40.595769][ T478] dump_stack+0x19c/0x1e2 [ 40.600075][ T478] should_fail+0x3f7/0x5b0 [ 40.604496][ T478] __should_failslab+0xd2/0x130 [ 40.609347][ T478] should_failslab+0x9/0x20 [ 40.613827][ T478] slab_pre_alloc_hook+0x25/0xe0 [ 40.618759][ T478] ? __kernfs_new_node+0x4c/0x6d0 [ 40.623909][ T478] __kmalloc_track_caller+0x70/0x300 [ 40.629304][ T478] ? __kernfs_new_node+0x4c/0x6d0 [ 40.634345][ T478] kstrdup_const+0x55/0x90 [ 40.638757][ T478] __kernfs_new_node+0x4c/0x6d0 [ 40.643608][ T478] ? string+0x29f/0x2b0 [ 40.647736][ T478] ? vsnprintf+0x1a6c/0x1b30 [ 40.652301][ T478] kernfs_new_node+0x97/0x170 [ 40.656962][ T478] __kernfs_create_file+0x4a/0x270 [ 40.662067][ T478] cgroup_addrm_files+0x99e/0xeb0 [ 40.667080][ T478] ? delete_node+0x747/0x7a0 [ 40.671646][ T478] css_populate_dir+0x137/0x370 [ 40.676496][ T478] cgroup_apply_control_enable+0x31e/0xfc0 [ 40.682285][ T478] cgroup_apply_control+0x36/0x710 [ 40.687386][ T478] ? init_wait_entry+0xe0/0xe0 [ 40.692137][ T478] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.697391][ T478] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.703341][ T478] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.709437][ T478] cgroup_file_write+0x22f/0x4f0 [ 40.714354][ T478] kernfs_fop_write_iter+0x2cd/0x410 [ 40.719610][ T478] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.724694][ T478] vfs_write+0xb57/0xe50 [ 40.728908][ T478] ksys_write+0x157/0x260 [ 40.733216][ T478] __x64_sys_write+0x7b/0x90 [ 40.737776][ T478] do_syscall_64+0x34/0x70 [ 40.742163][ T478] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.748026][ T478] RIP: 0033:0x7fe496c3a0e9 [ 40.752414][ 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 [ 40.771990][ T478] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.780371][ T478] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 40.788312][ T478] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.796253][ T478] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.804197][ T478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.812146][ T478] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 40.821779][ T478] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.828840][ T478] !!! cgroup_apply_control_disable [ 40.833990][ T478] !!! cgroup_apply_control_disable kill_css ffff88810d7a2c00 [ 40.841449][ T478] !!! cgroup_apply_control_disable kill_css ffff88810d7a1000 [ 40.848857][ T478] !!! cgroup_apply_control_disable kill_css ffff88810d7a3c00 [ 40.881157][ C1] !!! css_killed_ref_fn css ffff88810d7a2c00 !!! [ 40.887848][ C1] !!! css_killed_ref_fn css ffff88810d7a1000 !!! [ 40.894265][ C1] !!! css_killed_ref_fn css ffff88810d7a3c00 !!! [ 40.900836][ T426] !!! css_release css ffff88810d7a2c00 !!! [ 40.906706][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810d7a2c00 !!! [ 40.914177][ T426] !!! css_release css ffff88810d7a1000 !!! [ 40.919973][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810d7a1000 !!! [ 40.927577][ T426] !!! css_release css ffff88810d7a3c00 !!! [ 40.933394][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810d7a3c00 !!! [ 40.940910][ T471] !!! css_create !!! [ 40.945095][ T471] !!! css_create !!! [ 40.949312][ T471] !!! css_create !!! [ 40.953298][ T471] FAULT_INJECTION: forcing a failure. [ 40.953298][ T471] name failslab, interval 1, probability 0, space 0, times 0 [ 40.965910][ T471] CPU: 1 PID: 471 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 40.976043][ T471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.986077][ T471] Call Trace: [ 40.989344][ T471] dump_stack+0x19c/0x1e2 [ 40.993649][ T471] should_fail+0x3f7/0x5b0 [ 40.998038][ T471] __should_failslab+0xd2/0x130 [ 41.002862][ T471] should_failslab+0x9/0x20 [ 41.007362][ T471] slab_pre_alloc_hook+0x25/0xe0 [ 41.012294][ T471] ? __kernfs_new_node+0x4c/0x6d0 [ 41.017472][ T471] __kmalloc_track_caller+0x70/0x300 [ 41.022782][ T471] ? __kernfs_new_node+0x4c/0x6d0 [ 41.027781][ T471] kstrdup_const+0x55/0x90 [ 41.032227][ T471] __kernfs_new_node+0x4c/0x6d0 [ 41.037077][ T471] ? string+0x29f/0x2b0 [ 41.041208][ T471] ? vsnprintf+0x1a6c/0x1b30 [ 41.045772][ T471] kernfs_new_node+0x97/0x170 [ 41.050422][ T471] __kernfs_create_file+0x4a/0x270 [ 41.055513][ T471] cgroup_addrm_files+0x99e/0xeb0 [ 41.060517][ T471] ? delete_node+0x747/0x7a0 [ 41.065082][ T471] css_populate_dir+0x137/0x370 [ 41.069924][ T471] cgroup_apply_control_enable+0x31e/0xfc0 [ 41.075728][ T471] cgroup_apply_control+0x36/0x710 [ 41.080828][ T471] ? init_wait_entry+0xe0/0xe0 [ 41.085576][ T471] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.090853][ T471] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.096829][ T471] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.102809][ T471] cgroup_file_write+0x22f/0x4f0 [ 41.107738][ T471] kernfs_fop_write_iter+0x2cd/0x410 [ 41.113083][ T471] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.118175][ T471] vfs_write+0xb57/0xe50 [ 41.122394][ T471] ksys_write+0x157/0x260 [ 41.126975][ T471] __x64_sys_write+0x7b/0x90 [ 41.131550][ T471] do_syscall_64+0x34/0x70 [ 41.135954][ T471] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.141818][ T471] RIP: 0033:0x7fce14ce20e9 [ 41.146210][ T471] 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 [ 41.165895][ T471] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.174294][ T471] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 41.182396][ T471] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.190350][ T471] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.198384][ T471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.206341][ T471] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 41.215861][ T471] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.222917][ T471] !!! cgroup_apply_control_disable [ 41.228025][ T471] !!! cgroup_apply_control_disable kill_css ffff88810d9d7800 [ 41.235752][ T471] !!! cgroup_apply_control_disable kill_css ffff88810d9d4000 [ 41.243181][ T471] !!! cgroup_apply_control_disable kill_css ffff88810d9d7000 [ 41.291238][ C1] !!! css_killed_ref_fn css ffff88810d9d7800 !!! [ 41.297809][ C1] !!! css_killed_ref_fn css ffff88810d9d4000 !!! [ 41.304155][ C1] !!! css_killed_ref_fn css ffff88810d9d7000 !!! [ 41.310564][ T426] !!! css_release css ffff88810d9d7800 !!! [ 41.317065][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810d9d7800 !!! [ 41.324590][ T426] !!! css_release css ffff88810d9d4000 !!! [ 41.330447][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810d9d4000 !!! [ 41.338329][ T426] !!! css_release css ffff88810d9d7000 !!! [ 41.344167][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810d9d7000 !!! [ 41.351721][ T483] !!! css_create !!! [ 41.355771][ T483] !!! css_create !!! [ 41.359675][ T483] !!! css_create !!! [ 41.363592][ T483] FAULT_INJECTION: forcing a failure. [ 41.363592][ T483] name failslab, interval 1, probability 0, space 0, times 0 [ 41.376542][ T483] CPU: 1 PID: 483 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 41.386692][ T483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.396732][ T483] Call Trace: [ 41.400004][ T483] dump_stack+0x19c/0x1e2 [ 41.404308][ T483] should_fail+0x3f7/0x5b0 [ 41.408717][ T483] __should_failslab+0xd2/0x130 [ 41.413846][ T483] should_failslab+0x9/0x20 [ 41.418348][ T483] slab_pre_alloc_hook+0x25/0xe0 [ 41.423355][ T483] kmem_cache_alloc_trace+0x47/0x2b0 [ 41.428782][ T483] ? percpu_ref_init+0xd0/0x330 [ 41.433649][ T483] percpu_ref_init+0xd0/0x330 [ 41.438322][ T483] ? cgroup_setup_root+0x8a0/0x8a0 [ 41.443418][ T483] cgroup_apply_control_enable+0x49f/0xfc0 [ 41.449204][ T483] cgroup_apply_control+0x36/0x710 [ 41.454289][ T483] ? init_wait_entry+0xe0/0xe0 [ 41.459031][ T483] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.464290][ T483] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.470261][ T483] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.476227][ T483] cgroup_file_write+0x22f/0x4f0 [ 41.481173][ T483] kernfs_fop_write_iter+0x2cd/0x410 [ 41.486450][ T483] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.491540][ T483] vfs_write+0xb57/0xe50 [ 41.495757][ T483] ksys_write+0x157/0x260 [ 41.500071][ T483] __x64_sys_write+0x7b/0x90 [ 41.504663][ T483] do_syscall_64+0x34/0x70 [ 41.509086][ T483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.515736][ T483] RIP: 0033:0x7fd11bd980e9 [ 41.520148][ 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 [ 41.539747][ T483] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.548413][ T483] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 41.556491][ T483] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.564451][ T483] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.572580][ T483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.580551][ T483] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 41.589138][ T483] !!! cgroup_apply_control_disable [ 41.594310][ T483] !!! cgroup_apply_control_disable kill_css ffff88810d969000 [ 41.601758][ T483] !!! cgroup_apply_control_disable kill_css ffff88810d968c00 [ 41.631224][ C1] !!! css_killed_ref_fn css ffff88810d969000 !!! [ 41.637745][ C1] !!! css_killed_ref_fn css ffff88810d968c00 !!! [ 41.644127][ T19] !!! css_release css ffff88810d969000 !!! [ 41.649921][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810d969000 !!! [ 41.657514][ T19] !!! css_release css ffff88810d968c00 !!! [ 41.663467][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810d968c00 !!! [ 41.670950][ T497] !!! css_create !!! [ 41.674993][ T497] !!! css_create !!! [ 41.679102][ T497] !!! css_create !!! [ 41.683078][ T497] FAULT_INJECTION: forcing a failure. [ 41.683078][ T497] name failslab, interval 1, probability 0, space 0, times 0 [ 41.695890][ T497] CPU: 0 PID: 497 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 41.706575][ T497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.716947][ T497] Call Trace: [ 41.720218][ T497] dump_stack+0x19c/0x1e2 [ 41.724540][ T497] should_fail+0x3f7/0x5b0 [ 41.728965][ T497] __should_failslab+0xd2/0x130 [ 41.733793][ T497] should_failslab+0x9/0x20 [ 41.738324][ T497] slab_pre_alloc_hook+0x25/0xe0 [ 41.743248][ T497] kmem_cache_alloc_trace+0x47/0x2b0 [ 41.748537][ T497] ? percpu_ref_init+0xd0/0x330 [ 41.753909][ T497] percpu_ref_init+0xd0/0x330 [ 41.758569][ T497] ? cgroup_setup_root+0x8a0/0x8a0 [ 41.763819][ T497] cgroup_apply_control_enable+0x49f/0xfc0 [ 41.769610][ T497] cgroup_apply_control+0x36/0x710 [ 41.774797][ T497] ? init_wait_entry+0xe0/0xe0 [ 41.779537][ T497] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.784796][ T497] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.790743][ T497] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.796716][ T497] cgroup_file_write+0x22f/0x4f0 [ 41.801709][ T497] kernfs_fop_write_iter+0x2cd/0x410 [ 41.806975][ T497] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.812143][ T497] vfs_write+0xb57/0xe50 [ 41.816366][ T497] ksys_write+0x157/0x260 [ 41.820679][ T497] __x64_sys_write+0x7b/0x90 [ 41.825252][ T497] do_syscall_64+0x34/0x70 [ 41.830167][ T497] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.836146][ T497] RIP: 0033:0x7f6f953440e9 [ 41.840541][ T497] 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 [ 41.860132][ T497] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.868521][ T497] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 41.876473][ T497] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.884418][ T497] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 2022/05/31 18:32:44 executed programs: 18 [ 41.892365][ T497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.900309][ T497] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 41.908969][ T497] !!! cgroup_apply_control_disable [ 41.914410][ T497] !!! cgroup_apply_control_disable kill_css ffff88810dd11c00 [ 41.922121][ T497] !!! cgroup_apply_control_disable kill_css ffff88810dd10c00 [ 41.951161][ C0] !!! css_killed_ref_fn css ffff88810dd11c00 !!! [ 41.957600][ C0] !!! css_killed_ref_fn css ffff88810dd10c00 !!! [ 41.964049][ T107] !!! css_release css ffff88810dd11c00 !!! [ 41.970102][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810dd11c00 !!! [ 41.977669][ T107] !!! css_release css ffff88810dd10c00 !!! [ 41.983601][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810dd10c00 !!! [ 41.991457][ T496] !!! css_create !!! [ 41.995416][ T496] !!! css_create !!! [ 41.999384][ T496] !!! css_create !!! [ 42.003339][ T496] FAULT_INJECTION: forcing a failure. [ 42.003339][ T496] name failslab, interval 1, probability 0, space 0, times 0 [ 42.016118][ T496] CPU: 0 PID: 496 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 42.026255][ T496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.036286][ T496] Call Trace: [ 42.039557][ T496] dump_stack+0x19c/0x1e2 [ 42.043876][ T496] should_fail+0x3f7/0x5b0 [ 42.048268][ T496] __should_failslab+0xd2/0x130 [ 42.053090][ T496] should_failslab+0x9/0x20 [ 42.057574][ T496] slab_pre_alloc_hook+0x25/0xe0 [ 42.062483][ T496] kmem_cache_alloc_trace+0x47/0x2b0 [ 42.067750][ T496] ? percpu_ref_init+0xd0/0x330 [ 42.072571][ T496] percpu_ref_init+0xd0/0x330 [ 42.077221][ T496] ? cgroup_setup_root+0x8a0/0x8a0 [ 42.082308][ T496] cgroup_apply_control_enable+0x49f/0xfc0 [ 42.088175][ T496] cgroup_apply_control+0x36/0x710 [ 42.093262][ T496] ? init_wait_entry+0xe0/0xe0 [ 42.098004][ T496] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.103537][ T496] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.109500][ T496] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.115541][ T496] cgroup_file_write+0x22f/0x4f0 [ 42.120634][ T496] kernfs_fop_write_iter+0x2cd/0x410 [ 42.125896][ T496] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.130981][ T496] vfs_write+0xb57/0xe50 [ 42.135896][ T496] ksys_write+0x157/0x260 [ 42.140200][ T496] __x64_sys_write+0x7b/0x90 [ 42.144786][ T496] do_syscall_64+0x34/0x70 [ 42.149183][ T496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.155066][ T496] RIP: 0033:0x7fd31cb190e9 [ 42.159464][ T496] 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 [ 42.179450][ T496] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.187849][ T496] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 42.195795][ T496] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.203741][ T496] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.211696][ T496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.219751][ T496] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 42.228236][ T496] !!! cgroup_apply_control_disable [ 42.233418][ T496] !!! cgroup_apply_control_disable kill_css ffff88810dd26c00 [ 42.241280][ T496] !!! cgroup_apply_control_disable kill_css ffff88810dd25000 [ 42.301133][ C0] !!! css_killed_ref_fn css ffff88810dd26c00 !!! [ 42.307503][ C0] !!! css_killed_ref_fn css ffff88810dd25000 !!! [ 42.313924][ T388] !!! css_release css ffff88810dd26c00 !!! [ 42.319742][ T388] !!! css_put is zero set CSS_NO_REF css ffff88810dd26c00 !!! [ 42.327438][ T388] !!! css_release css ffff88810dd25000 !!! [ 42.333566][ T388] !!! css_put is zero set CSS_NO_REF css ffff88810dd25000 !!! [ 42.341339][ T495] !!! css_create !!! [ 42.345278][ T495] !!! css_create !!! [ 42.349173][ T495] !!! css_create !!! [ 42.353129][ T495] FAULT_INJECTION: forcing a failure. [ 42.353129][ T495] name failslab, interval 1, probability 0, space 0, times 0 [ 42.365739][ T495] CPU: 0 PID: 495 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 42.375876][ T495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.385918][ T495] Call Trace: [ 42.389204][ T495] dump_stack+0x19c/0x1e2 [ 42.393584][ T495] should_fail+0x3f7/0x5b0 [ 42.397974][ T495] __should_failslab+0xd2/0x130 [ 42.402796][ T495] should_failslab+0x9/0x20 [ 42.407283][ T495] slab_pre_alloc_hook+0x25/0xe0 [ 42.412204][ T495] ? __kernfs_new_node+0x4c/0x6d0 [ 42.417199][ T495] __kmalloc_track_caller+0x70/0x300 [ 42.422458][ T495] ? __kernfs_new_node+0x4c/0x6d0 [ 42.427454][ T495] kstrdup_const+0x55/0x90 [ 42.431855][ T495] __kernfs_new_node+0x4c/0x6d0 [ 42.436693][ T495] ? string+0x29f/0x2b0 [ 42.440825][ T495] ? vsnprintf+0x1a6c/0x1b30 [ 42.445390][ T495] kernfs_new_node+0x97/0x170 [ 42.450040][ T495] __kernfs_create_file+0x4a/0x270 [ 42.455127][ T495] cgroup_addrm_files+0x99e/0xeb0 [ 42.460135][ T495] ? delete_node+0x747/0x7a0 [ 42.464718][ T495] css_populate_dir+0x137/0x370 [ 42.469539][ T495] cgroup_apply_control_enable+0x31e/0xfc0 [ 42.475320][ T495] cgroup_apply_control+0x36/0x710 [ 42.480404][ T495] ? init_wait_entry+0xe0/0xe0 [ 42.485150][ T495] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.490507][ T495] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.496482][ T495] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.502444][ T495] cgroup_file_write+0x22f/0x4f0 [ 42.507359][ T495] kernfs_fop_write_iter+0x2cd/0x410 [ 42.512639][ T495] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.517734][ T495] vfs_write+0xb57/0xe50 [ 42.521961][ T495] ksys_write+0x157/0x260 [ 42.526275][ T495] __x64_sys_write+0x7b/0x90 [ 42.530841][ T495] do_syscall_64+0x34/0x70 [ 42.535229][ T495] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.541121][ T495] RIP: 0033:0x7fce14ce20e9 [ 42.545523][ 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 [ 42.565102][ T495] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.573578][ T495] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 42.581569][ T495] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.589821][ T495] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.597785][ T495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.605747][ T495] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 42.614327][ T495] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.621389][ T495] !!! cgroup_apply_control_disable [ 42.626481][ T495] !!! cgroup_apply_control_disable kill_css ffff88810dd31400 [ 42.634019][ T495] !!! cgroup_apply_control_disable kill_css ffff88810dd32000 [ 42.641573][ T495] !!! cgroup_apply_control_disable kill_css ffff88810dd33400 [ 42.661213][ C0] !!! css_killed_ref_fn css ffff88810dd31400 !!! [ 42.667845][ C0] !!! css_killed_ref_fn css ffff88810dd32000 !!! [ 42.674211][ C0] !!! css_killed_ref_fn css ffff88810dd33400 !!! [ 42.680580][ T107] !!! css_release css ffff88810dd31400 !!! [ 42.686457][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810dd31400 !!! [ 42.693962][ T107] !!! css_release css ffff88810dd32000 !!! [ 42.699758][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810dd32000 !!! [ 42.707590][ T107] !!! css_release css ffff88810dd33400 !!! [ 42.713573][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810dd33400 !!! [ 42.721356][ T498] !!! css_create !!! [ 42.725460][ T498] !!! css_create !!! [ 42.729793][ T498] !!! css_create !!! [ 42.734150][ T498] FAULT_INJECTION: forcing a failure. [ 42.734150][ T498] name failslab, interval 1, probability 0, space 0, times 0 [ 42.747148][ T498] CPU: 0 PID: 498 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 42.757913][ T498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.768309][ T498] Call Trace: [ 42.771608][ T498] dump_stack+0x19c/0x1e2 [ 42.775945][ T498] should_fail+0x3f7/0x5b0 [ 42.780450][ T498] __should_failslab+0xd2/0x130 [ 42.785350][ T498] should_failslab+0x9/0x20 [ 42.790038][ T498] slab_pre_alloc_hook+0x25/0xe0 [ 42.795051][ T498] ? __kernfs_new_node+0x4c/0x6d0 [ 42.800563][ T498] __kmalloc_track_caller+0x70/0x300 [ 42.806062][ T498] ? __kernfs_new_node+0x4c/0x6d0 [ 42.811068][ T498] kstrdup_const+0x55/0x90 [ 42.815576][ T498] __kernfs_new_node+0x4c/0x6d0 [ 42.820530][ T498] ? string+0x29f/0x2b0 [ 42.824676][ T498] ? vsnprintf+0x1a6c/0x1b30 [ 42.829268][ T498] kernfs_new_node+0x97/0x170 [ 42.834017][ T498] __kernfs_create_file+0x4a/0x270 [ 42.839287][ T498] cgroup_addrm_files+0x99e/0xeb0 [ 42.844301][ T498] ? delete_node+0x747/0x7a0 [ 42.848879][ T498] css_populate_dir+0x137/0x370 [ 42.853722][ T498] cgroup_apply_control_enable+0x31e/0xfc0 [ 42.859504][ T498] cgroup_apply_control+0x36/0x710 [ 42.864586][ T498] ? init_wait_entry+0xe0/0xe0 [ 42.869315][ T498] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.874569][ T498] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.880519][ T498] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.886488][ T498] cgroup_file_write+0x22f/0x4f0 [ 42.891416][ T498] kernfs_fop_write_iter+0x2cd/0x410 [ 42.896671][ T498] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.901813][ T498] vfs_write+0xb57/0xe50 [ 42.906062][ T498] ksys_write+0x157/0x260 [ 42.910371][ T498] __x64_sys_write+0x7b/0x90 [ 42.914934][ T498] do_syscall_64+0x34/0x70 [ 42.919344][ T498] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.925219][ T498] RIP: 0033:0x7fe496c3a0e9 [ 42.929612][ 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 [ 42.949537][ T498] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.958041][ T498] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 42.965993][ T498] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.973951][ T498] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.982006][ T498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.989953][ T498] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 42.998607][ T498] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.005729][ T498] !!! cgroup_apply_control_disable [ 43.010854][ T498] !!! cgroup_apply_control_disable kill_css ffff88810debd800 [ 43.018525][ T498] !!! cgroup_apply_control_disable kill_css ffff88810debc800 [ 43.026046][ T498] !!! cgroup_apply_control_disable kill_css ffff88810debe800 [ 43.051419][ C1] !!! css_killed_ref_fn css ffff88810debd800 !!! [ 43.057849][ T19] !!! css_release css ffff88810debd800 !!! [ 43.061145][ C0] !!! css_killed_ref_fn css ffff88810debe800 !!! [ 43.063665][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810debd800 !!! [ 43.063797][ C1] !!! css_killed_ref_fn css ffff88810debc800 !!! [ 43.072364][ T107] !!! css_release css ffff88810debe800 !!! [ 43.091781][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810debe800 !!! [ 43.099588][ T426] !!! css_release css ffff88810debc800 !!! [ 43.105535][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810debc800 !!! [ 43.113431][ T507] !!! css_create !!! [ 43.117363][ T507] !!! css_create !!! [ 43.121333][ T507] !!! css_create !!! [ 43.125269][ T507] FAULT_INJECTION: forcing a failure. [ 43.125269][ T507] name failslab, interval 1, probability 0, space 0, times 0 [ 43.138293][ T507] CPU: 1 PID: 507 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 43.148565][ T507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.158594][ T507] Call Trace: [ 43.161935][ T507] dump_stack+0x19c/0x1e2 [ 43.166401][ T507] should_fail+0x3f7/0x5b0 [ 43.170820][ T507] __should_failslab+0xd2/0x130 [ 43.175668][ T507] should_failslab+0x9/0x20 [ 43.180282][ T507] slab_pre_alloc_hook+0x25/0xe0 [ 43.185200][ T507] kmem_cache_alloc_trace+0x47/0x2b0 [ 43.190457][ T507] ? percpu_ref_init+0xd0/0x330 [ 43.195279][ T507] percpu_ref_init+0xd0/0x330 [ 43.201088][ T507] ? cgroup_setup_root+0x8a0/0x8a0 [ 43.206175][ T507] cgroup_apply_control_enable+0x49f/0xfc0 [ 43.211956][ T507] cgroup_apply_control+0x36/0x710 [ 43.217052][ T507] ? init_wait_entry+0xe0/0xe0 [ 43.221796][ T507] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.227069][ T507] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.233033][ T507] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.239105][ T507] cgroup_file_write+0x22f/0x4f0 [ 43.244116][ T507] kernfs_fop_write_iter+0x2cd/0x410 [ 43.249370][ T507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.254463][ T507] vfs_write+0xb57/0xe50 [ 43.258697][ T507] ksys_write+0x157/0x260 [ 43.263031][ T507] __x64_sys_write+0x7b/0x90 [ 43.267636][ T507] do_syscall_64+0x34/0x70 [ 43.272029][ T507] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.277899][ T507] RIP: 0033:0x7fd31cb190e9 [ 43.282287][ T507] 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 [ 43.302090][ T507] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.310651][ T507] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 43.318595][ T507] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.326543][ T507] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.334610][ T507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.342724][ T507] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 43.352135][ T507] !!! cgroup_apply_control_disable [ 43.357258][ T507] !!! cgroup_apply_control_disable kill_css ffff88810df00c00 [ 43.365045][ T507] !!! cgroup_apply_control_disable kill_css ffff88810de36000 [ 43.391186][ C0] !!! css_killed_ref_fn css ffff88810df00c00 !!! [ 43.397663][ T107] !!! css_release css ffff88810df00c00 !!! [ 43.403866][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810df00c00 !!! [ 43.411144][ C1] !!! css_killed_ref_fn css ffff88810de36000 !!! [ 43.417793][ T426] !!! css_release css ffff88810de36000 !!! [ 43.423942][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810de36000 !!! [ 43.432482][ T516] !!! css_create !!! [ 43.436545][ T516] !!! css_create !!! [ 43.440486][ T516] !!! css_create !!! [ 43.444447][ T516] FAULT_INJECTION: forcing a failure. [ 43.444447][ T516] name failslab, interval 1, probability 0, space 0, times 0 [ 43.457159][ T516] CPU: 0 PID: 516 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 43.467306][ T516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.477456][ T516] Call Trace: [ 43.480740][ T516] dump_stack+0x19c/0x1e2 [ 43.485055][ T516] should_fail+0x3f7/0x5b0 [ 43.489451][ T516] __should_failslab+0xd2/0x130 [ 43.494298][ T516] should_failslab+0x9/0x20 [ 43.498785][ T516] slab_pre_alloc_hook+0x25/0xe0 [ 43.503717][ T516] ? __kernfs_new_node+0x4c/0x6d0 [ 43.508723][ T516] __kmalloc_track_caller+0x70/0x300 [ 43.513979][ T516] ? __kernfs_new_node+0x4c/0x6d0 [ 43.518984][ T516] kstrdup_const+0x55/0x90 [ 43.523459][ T516] __kernfs_new_node+0x4c/0x6d0 [ 43.528282][ T516] ? string+0x29f/0x2b0 [ 43.532411][ T516] ? vsnprintf+0x1a6c/0x1b30 [ 43.536977][ T516] kernfs_new_node+0x97/0x170 [ 43.541729][ T516] __kernfs_create_file+0x4a/0x270 [ 43.547109][ T516] cgroup_addrm_files+0x99e/0xeb0 [ 43.552119][ T516] ? delete_node+0x747/0x7a0 [ 43.556682][ T516] css_populate_dir+0x137/0x370 [ 43.561513][ T516] cgroup_apply_control_enable+0x31e/0xfc0 [ 43.567301][ T516] cgroup_apply_control+0x36/0x710 [ 43.572384][ T516] ? init_wait_entry+0xe0/0xe0 [ 43.577125][ T516] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.582468][ T516] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.588884][ T516] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.594844][ T516] cgroup_file_write+0x22f/0x4f0 [ 43.599758][ T516] kernfs_fop_write_iter+0x2cd/0x410 [ 43.605015][ T516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.610104][ T516] vfs_write+0xb57/0xe50 [ 43.614322][ T516] ksys_write+0x157/0x260 [ 43.618625][ T516] __x64_sys_write+0x7b/0x90 [ 43.623188][ T516] do_syscall_64+0x34/0x70 [ 43.627577][ T516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.633455][ T516] RIP: 0033:0x7fd31cb190e9 [ 43.638722][ 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 [ 43.658309][ T516] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.666700][ T516] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 43.674767][ T516] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.682733][ T516] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.690682][ T516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.698632][ T516] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 43.707018][ T516] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.714365][ T516] !!! cgroup_apply_control_disable [ 43.719481][ T516] !!! cgroup_apply_control_disable kill_css ffff88810e451000 [ 43.726957][ T516] !!! cgroup_apply_control_disable kill_css ffff88810e453c00 [ 43.734472][ T516] !!! cgroup_apply_control_disable kill_css ffff88810e510c00 [ 43.771546][ C1] !!! css_killed_ref_fn css ffff88810e451000 !!! [ 43.777930][ T426] !!! css_release css ffff88810e451000 !!! [ 43.783909][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810e451000 !!! [ 43.791596][ C1] !!! css_killed_ref_fn css ffff88810e453c00 !!! [ 43.798006][ T426] !!! css_release css ffff88810e453c00 !!! [ 43.804152][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810e453c00 !!! [ 43.811707][ C1] !!! css_killed_ref_fn css ffff88810e510c00 !!! [ 43.818260][ T426] !!! css_release css ffff88810e510c00 !!! [ 43.824421][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810e510c00 !!! [ 43.831931][ T504] !!! css_create !!! [ 43.835917][ T504] !!! css_create !!! [ 43.840102][ T504] !!! css_create !!! [ 43.841958][ T23] audit: type=1400 audit(1654021966.160:159): 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 [ 43.844254][ T504] FAULT_INJECTION: forcing a failure. [ 43.844254][ T504] name failslab, interval 1, probability 0, space 0, times 0 [ 43.866486][ T23] audit: type=1400 audit(1654021966.160:160): 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 [ 43.866498][ T23] audit: type=1400 audit(1654021966.160:161): 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 [ 43.921764][ T504] CPU: 0 PID: 504 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 43.931888][ T504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.941933][ T504] Call Trace: [ 43.945234][ T504] dump_stack+0x19c/0x1e2 [ 43.949541][ T504] should_fail+0x3f7/0x5b0 [ 43.953931][ T504] __should_failslab+0xd2/0x130 [ 43.958756][ T504] should_failslab+0x9/0x20 [ 43.963231][ T504] slab_pre_alloc_hook+0x25/0xe0 [ 43.968141][ T504] ? __kernfs_new_node+0x4c/0x6d0 [ 43.973138][ T504] __kmalloc_track_caller+0x70/0x300 [ 43.978397][ T504] ? __kernfs_new_node+0x4c/0x6d0 [ 43.983392][ T504] kstrdup_const+0x55/0x90 [ 43.987790][ T504] __kernfs_new_node+0x4c/0x6d0 [ 43.992634][ T504] ? string+0x29f/0x2b0 [ 43.996762][ T504] ? vsnprintf+0x1a6c/0x1b30 [ 44.001323][ T504] kernfs_new_node+0x97/0x170 [ 44.005991][ T504] __kernfs_create_file+0x4a/0x270 [ 44.011108][ T504] cgroup_addrm_files+0x99e/0xeb0 [ 44.016153][ T504] ? delete_node+0x747/0x7a0 [ 44.020842][ T504] css_populate_dir+0x137/0x370 [ 44.025691][ T504] cgroup_apply_control_enable+0x31e/0xfc0 [ 44.031479][ T504] cgroup_apply_control+0x36/0x710 [ 44.036584][ T504] ? init_wait_entry+0xe0/0xe0 [ 44.041419][ T504] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.046694][ T504] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.052954][ T504] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.058942][ T504] cgroup_file_write+0x22f/0x4f0 [ 44.063885][ T504] kernfs_fop_write_iter+0x2cd/0x410 [ 44.069156][ T504] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.074422][ T504] vfs_write+0xb57/0xe50 [ 44.078726][ T504] ksys_write+0x157/0x260 [ 44.083145][ T504] __x64_sys_write+0x7b/0x90 [ 44.087722][ T504] do_syscall_64+0x34/0x70 [ 44.092113][ T504] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.097977][ T504] RIP: 0033:0x7f6f953440e9 [ 44.102363][ 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 [ 44.121963][ T504] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.130358][ T504] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 44.138318][ T504] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.146273][ T504] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.154242][ T504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.162301][ T504] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 44.171299][ T504] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.178325][ T504] !!! cgroup_apply_control_disable [ 44.183878][ T504] !!! cgroup_apply_control_disable kill_css ffff88810e5b3000 [ 44.191411][ T504] !!! cgroup_apply_control_disable kill_css ffff88810e5b2400 [ 44.198806][ T504] !!! cgroup_apply_control_disable kill_css ffff88810e5b1400 [ 44.207807][ T424] ------------[ cut here ]------------ [ 44.213534][ T424] WARNING: CPU: 1 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 44.224048][ T424] Modules linked in: [ 44.228082][ T424] CPU: 1 PID: 424 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 44.241291][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.251369][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 44.256977][ T424] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 44.276593][ T424] RSP: 0018:ffffc90000d67dd0 EFLAGS: 00010293 [ 44.282693][ T424] RAX: ffffffff81af040c RBX: ffff88810cf2d160 RCX: ffff888108136ac0 [ 44.290941][ T424] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 44.298980][ T424] RBP: ffffc90000d67e40 R08: ffffffff81af0137 R09: fffff520001acfb2 [ 44.307117][ T424] R10: fffff520001acfb2 R11: 1ffff920001acfb1 R12: dffffc0000000000 [ 44.315976][ T424] R13: ffff88810cf2d080 R14: 00000000ffffffff R15: 0000000000000000 [ 44.324114][ T424] FS: 000055555565d400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 44.333172][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.339752][ T424] CR2: 00007ffc80b38ff8 CR3: 00000001029ff000 CR4: 00000000003506a0 [ 44.347741][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.355745][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.363737][ T424] Call Trace: [ 44.367042][ T424] path_umount+0x1ad/0xed0 [ 44.371647][ T424] __x64_sys_umount+0xe8/0x110 [ 44.376420][ T424] do_syscall_64+0x34/0x70 [ 44.380824][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.386733][ T424] RIP: 0033:0x7f6f95345557 [ 44.391158][ T424] 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 [ 44.410763][ T424] RSP: 002b:00007ffc80b39298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 44.419187][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f95345557 [ 44.427173][ T424] RDX: 00007ffc80b39369 RSI: 000000000000000a RDI: 00007ffc80b39360 [ 44.435142][ T424] RBP: 00007ffc80b39360 R08: 00000000ffffffff R09: 00007ffc80b39130 [ 44.443120][ T424] R10: 000055555565eba3 R11: 0000000000000246 R12: 00007f6f9539d1f8 [ 44.451081][ T424] R13: 00007ffc80b3a420 R14: 000055555565eb00 R15: 00007ffc80b3a460 [ 44.459107][ T424] ---[ end trace 3a08363c28c4e369 ]--- [ 44.471181][ C0] !!! css_killed_ref_fn css ffff88810e5b3000 !!! [ 44.477716][ C0] !!! css_killed_ref_fn css ffff88810e5b2400 !!! [ 44.484382][ C0] !!! css_killed_ref_fn css ffff88810e5b1400 !!! [ 44.490838][ T107] !!! css_release css ffff88810e5b3000 !!! [ 44.497108][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e5b3000 !!! [ 44.504750][ T107] !!! css_release css ffff88810e5b2400 !!! [ 44.510546][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e5b2400 !!! [ 44.518212][ T107] !!! css_release css ffff88810e5b1400 !!! [ 44.524309][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e5b1400 !!! [ 44.532156][ T510] !!! css_create !!! [ 44.536155][ T510] !!! css_create !!! [ 44.540105][ T510] !!! css_create !!! [ 44.544071][ T510] FAULT_INJECTION: forcing a failure. [ 44.544071][ T510] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 44.557376][ T510] CPU: 0 PID: 510 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 44.568896][ T510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.579004][ T510] Call Trace: [ 44.582289][ T510] dump_stack+0x19c/0x1e2 [ 44.586597][ T510] should_fail+0x3f7/0x5b0 [ 44.590990][ T510] should_fail_alloc_page+0xa9/0xd0 [ 44.596160][ T510] __alloc_pages_nodemask+0x121/0x740 [ 44.601512][ T510] ? __kasan_check_read+0x11/0x20 [ 44.606516][ T510] ? preempt_schedule_common+0xcb/0x100 [ 44.612033][ T510] allocate_slab+0x72/0x580 [ 44.616509][ T510] ___slab_alloc+0x131/0x2e0 [ 44.621071][ T510] ? pids_css_alloc+0x4e/0x120 [ 44.625805][ T510] __slab_alloc+0x63/0xa0 [ 44.630108][ T510] ? pids_css_alloc+0x4e/0x120 [ 44.634979][ T510] kmem_cache_alloc_trace+0xe5/0x2b0 [ 44.640248][ T510] ? pids_css_alloc+0x4e/0x120 [ 44.645006][ T510] pids_css_alloc+0x4e/0x120 [ 44.649661][ T510] cgroup_apply_control_enable+0x44e/0xfc0 [ 44.655442][ T510] cgroup_apply_control+0x36/0x710 [ 44.660523][ T510] ? init_wait_entry+0xe0/0xe0 [ 44.665264][ T510] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.670606][ T510] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.676560][ T510] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.682513][ T510] cgroup_file_write+0x22f/0x4f0 [ 44.687426][ T510] kernfs_fop_write_iter+0x2cd/0x410 [ 44.692682][ T510] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.697798][ T510] vfs_write+0xb57/0xe50 [ 44.702021][ T510] ksys_write+0x157/0x260 [ 44.706321][ T510] __x64_sys_write+0x7b/0x90 [ 44.710892][ T510] do_syscall_64+0x34/0x70 [ 44.715282][ T510] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.721150][ T510] RIP: 0033:0x7fce14ce20e9 [ 44.725548][ 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 [ 44.745138][ T510] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.753528][ T510] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 44.761477][ T510] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.769444][ T510] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.777406][ T510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.785354][ T510] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 44.794064][ T510] !!! css_create !!! [ 44.798007][ T510] !!! css_create !!! [ 44.801945][ T510] !!! css_create !!! [ 44.805985][ T510] !!! cgroup_apply_control_disable [ 44.811479][ T521] !!! cgroup_apply_control_disable [ 44.816714][ T521] !!! cgroup_apply_control_disable kill_css ffff88810e798000 [ 44.824335][ T521] !!! cgroup_apply_control_disable kill_css ffff88810e79b000 [ 44.832027][ T521] !!! cgroup_apply_control_disable kill_css ffff88810cf90800 [ 44.839434][ T521] !!! cgroup_apply_control_disable kill_css ffff88810cf90400 [ 44.846958][ T521] !!! cgroup_apply_control_disable kill_css ffff88810cf90c00 [ 44.847000][ C1] !!! css_killed_ref_fn css ffff88810e798000 !!! [ 44.854636][ T521] !!! cgroup_apply_control_disable kill_css ffff88810cf90000 [ 44.860923][ C1] !!! css_killed_ref_fn css ffff88810e79b000 !!! [ 44.868374][ C0] !!! css_killed_ref_fn css ffff88810cf90400 !!! [ 44.874476][ C1] !!! css_killed_ref_fn css ffff88810cf90800 !!! [ 44.874533][ T445] !!! css_release css ffff88810e798000 !!! [ 44.892929][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810e798000 !!! [ 44.900506][ T107] !!! css_release css ffff88810cf90400 !!! [ 44.906350][ C0] !!! css_killed_ref_fn css ffff88810cf90c00 !!! [ 44.906367][ C0] !!! css_killed_ref_fn css ffff88810cf90000 !!! [ 44.919011][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810cf90400 !!! [ 44.926600][ T445] !!! css_release css ffff88810e79b000 !!! [ 44.932453][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810e79b000 !!! [ 44.939926][ T445] !!! css_release css ffff88810cf90800 !!! [ 44.945759][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810cf90800 !!! [ 44.953371][ T107] !!! css_release css ffff88810cf90c00 !!! [ 44.959196][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810cf90c00 !!! [ 44.966691][ T107] !!! css_release css ffff88810cf90000 !!! [ 44.972680][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810cf90000 !!! [ 44.980227][ T494] !!! css_create !!! [ 44.984250][ T494] !!! css_create !!! [ 44.988255][ T494] !!! css_create !!! [ 44.992238][ T494] FAULT_INJECTION: forcing a failure. [ 44.992238][ T494] name failslab, interval 1, probability 0, space 0, times 0 [ 45.005074][ T494] CPU: 1 PID: 494 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 45.016617][ T494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.026657][ T494] Call Trace: [ 45.029923][ T494] dump_stack+0x19c/0x1e2 [ 45.034233][ T494] should_fail+0x3f7/0x5b0 [ 45.040676][ T494] __should_failslab+0xd2/0x130 [ 45.046293][ T494] should_failslab+0x9/0x20 [ 45.051464][ T494] slab_pre_alloc_hook+0x25/0xe0 [ 45.056459][ T494] kmem_cache_alloc_trace+0x47/0x2b0 [ 45.062500][ T494] ? percpu_ref_init+0xd0/0x330 [ 45.067385][ T494] percpu_ref_init+0xd0/0x330 [ 45.072041][ T494] ? cgroup_setup_root+0x8a0/0x8a0 [ 45.077125][ T494] cgroup_apply_control_enable+0x49f/0xfc0 [ 45.082905][ T494] cgroup_apply_control+0x36/0x710 [ 45.087987][ T494] ? init_wait_entry+0xe0/0xe0 [ 45.092729][ T494] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.097998][ T494] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.103951][ T494] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.109905][ T494] cgroup_file_write+0x22f/0x4f0 [ 45.114815][ T494] kernfs_fop_write_iter+0x2cd/0x410 [ 45.120083][ T494] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.125166][ T494] vfs_write+0xb57/0xe50 [ 45.129387][ T494] ksys_write+0x157/0x260 [ 45.133786][ T494] __x64_sys_write+0x7b/0x90 [ 45.138348][ T494] do_syscall_64+0x34/0x70 [ 45.142746][ T494] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.148619][ T494] RIP: 0033:0x7f9ada61d0e9 [ 45.153019][ T494] 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 [ 45.172659][ T494] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.181061][ T494] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 45.189250][ T494] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.197202][ T494] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.205156][ T494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.213109][ T494] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 45.221159][ T494] !!! cgroup_apply_control_disable [ 45.226270][ T494] !!! cgroup_apply_control_disable kill_css ffff88810e6d6400 [ 45.233730][ T494] !!! cgroup_apply_control_disable kill_css ffff88810e6d5400 [ 45.281158][ C1] !!! css_killed_ref_fn css ffff88810e6d6400 !!! [ 45.287570][ C1] !!! css_killed_ref_fn css ffff88810e6d5400 !!! [ 45.294055][ T445] !!! css_release css ffff88810e6d6400 !!! [ 45.299889][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810e6d6400 !!! [ 45.307591][ T426] !!! css_release css ffff88810e6d5400 !!! [ 45.313491][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810e6d5400 !!! [ 45.321037][ T501] !!! css_create !!! [ 45.325077][ T501] !!! css_create !!! [ 45.329075][ T501] !!! css_create !!! [ 45.333180][ T501] FAULT_INJECTION: forcing a failure. [ 45.333180][ T501] name failslab, interval 1, probability 0, space 0, times 0 [ 45.345912][ T501] CPU: 1 PID: 501 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 45.357459][ T501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.367491][ T501] Call Trace: [ 45.370753][ T501] dump_stack+0x19c/0x1e2 [ 45.375146][ T501] should_fail+0x3f7/0x5b0 [ 45.379550][ T501] __should_failslab+0xd2/0x130 [ 45.384372][ T501] should_failslab+0x9/0x20 [ 45.389052][ T501] slab_pre_alloc_hook+0x25/0xe0 [ 45.393970][ T501] ? __kernfs_new_node+0x4c/0x6d0 [ 45.398968][ T501] __kmalloc_track_caller+0x70/0x300 [ 45.404224][ T501] ? __kernfs_new_node+0x4c/0x6d0 [ 45.409220][ T501] kstrdup_const+0x55/0x90 [ 45.413614][ T501] __kernfs_new_node+0x4c/0x6d0 [ 45.418441][ T501] ? string+0x29f/0x2b0 [ 45.422578][ T501] ? vsnprintf+0x1a6c/0x1b30 [ 45.427157][ T501] kernfs_new_node+0x97/0x170 [ 45.431824][ T501] __kernfs_create_file+0x4a/0x270 [ 45.438412][ T501] cgroup_addrm_files+0x99e/0xeb0 [ 45.443561][ T501] ? delete_node+0x747/0x7a0 [ 45.448130][ T501] css_populate_dir+0x137/0x370 [ 45.452960][ T501] cgroup_apply_control_enable+0x31e/0xfc0 [ 45.458743][ T501] cgroup_apply_control+0x36/0x710 [ 45.463835][ T501] ? init_wait_entry+0xe0/0xe0 [ 45.468569][ T501] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.473830][ T501] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.480231][ T501] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.486186][ T501] cgroup_file_write+0x22f/0x4f0 [ 45.491241][ T501] kernfs_fop_write_iter+0x2cd/0x410 [ 45.496692][ T501] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.501930][ T501] vfs_write+0xb57/0xe50 [ 45.506163][ T501] ksys_write+0x157/0x260 [ 45.510466][ T501] __x64_sys_write+0x7b/0x90 [ 45.515057][ T501] do_syscall_64+0x34/0x70 [ 45.519461][ T501] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.525333][ T501] RIP: 0033:0x7fd11bd980e9 [ 45.529738][ 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 [ 45.549329][ T501] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.557732][ T501] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 45.565685][ T501] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.573630][ T501] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.581586][ T501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.589549][ T501] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 45.598530][ T501] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.605674][ T501] !!! cgroup_apply_control_disable [ 45.610824][ T501] !!! cgroup_apply_control_disable kill_css ffff88810e6d5800 [ 45.618600][ T501] !!! cgroup_apply_control_disable kill_css ffff88810e6d4800 [ 45.626141][ T501] !!! cgroup_apply_control_disable kill_css ffff88810e770000 [ 45.634623][ T422] ------------[ cut here ]------------ [ 45.640168][ T422] WARNING: CPU: 0 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 45.649122][ T422] Modules linked in: [ 45.653025][ C0] !!! css_killed_ref_fn css ffff88810e6d5800 !!! [ 45.659355][ T422] CPU: 0 PID: 422 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 45.670998][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.681135][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 45.687031][ T422] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 45.706795][ T422] RSP: 0018:ffffc90000d47d58 EFLAGS: 00010293 [ 45.712865][ T422] RAX: ffffffff81af040c RBX: ffff88810cf2c560 RCX: ffff88810537adc0 [ 45.720831][ T422] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 45.728815][ T422] RBP: ffffc90000d47dc8 R08: ffffffff81af0137 R09: fffff520001a8fa3 [ 45.736790][ T422] R10: fffff520001a8fa3 R11: 1ffff920001a8fa2 R12: dffffc0000000000 [ 45.744802][ T422] R13: ffff88810cf2c480 R14: 00000000fffffffe R15: 0000000000000000 [ 45.752789][ T422] FS: 0000555556e01400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 45.761769][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.768340][ T422] CR2: 00007ffc6401fd3c CR3: 0000000116d4a000 CR4: 00000000003506b0 [ 45.776337][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.784338][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.792330][ T422] Call Trace: [ 45.795615][ T422] ? init_wait_entry+0xe0/0xe0 [ 45.800358][ T422] ? up_write+0x68/0x140 [ 45.804627][ T422] namespace_unlock+0x377/0x420 [ 45.809595][ T422] path_umount+0xe23/0xed0 [ 45.814033][ T422] __x64_sys_umount+0xe8/0x110 [ 45.818780][ T422] do_syscall_64+0x34/0x70 [ 45.823197][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.829088][ T422] RIP: 0033:0x7fd11bd99557 [ 45.833514][ T422] 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 [ 45.853130][ T422] RSP: 002b:00007ffc6401fd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 45.861534][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd11bd99557 [ 45.869487][ T422] RDX: 00007ffc6401fde9 RSI: 000000000000000a RDI: 00007ffc6401fde0 [ 45.877459][ T422] RBP: 00007ffc6401fde0 R08: 00000000ffffffff R09: 00007ffc6401fbb0 [ 45.885701][ T422] R10: 0000555556e02ba3 R11: 0000000000000246 R12: 00007fd11bdf11f8 [ 45.893894][ T422] R13: 00007ffc64020ea0 R14: 0000555556e02b00 R15: 00007ffc64020ee0 [ 45.902248][ T422] ---[ end trace 3a08363c28c4e36a ]--- [ 45.907765][ T107] !!! css_release css ffff88810e6d5800 !!! [ 45.907783][ T422] ------------[ cut here ]------------ [ 45.914148][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e6d5800 !!! [ 45.919613][ T422] WARNING: CPU: 1 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 45.927158][ C0] !!! css_killed_ref_fn css ffff88810e6d4800 !!! [ 45.927170][ C0] !!! css_killed_ref_fn css ffff88810e770000 !!! [ 45.927500][ T388] !!! css_release css ffff88810e6d4800 !!! [ 45.936327][ T422] Modules linked in: [ 45.942991][ T388] !!! css_put is zero set CSS_NO_REF css ffff88810e6d4800 !!! [ 45.949350][ T422] CPU: 1 PID: 422 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 45.949356][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.949372][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 45.949380][ T422] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 45.949394][ T422] RSP: 0018:ffffc90000d47dd0 EFLAGS: 00010293 [ 45.955323][ T388] !!! css_release css ffff88810e770000 !!! [ 45.959062][ T422] [ 45.959070][ T422] RAX: ffffffff81af040c RBX: ffff88810cf2c560 RCX: ffff88810537adc0 [ 45.959076][ T422] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 45.959082][ T422] RBP: ffffc90000d47e40 R08: ffffffff81af0137 R09: fffff520001a8fb2 [ 45.959087][ T422] R10: fffff520001a8fb2 R11: 1ffff920001a8fb1 R12: dffffc0000000000 [ 45.959101][ T422] R13: ffff88810cf2c480 R14: 00000000fffffffd R15: 0000000000000000 [ 45.966610][ T388] !!! css_put is zero set CSS_NO_REF css ffff88810e770000 !!! [ 45.978329][ T422] FS: 0000555556e01400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 45.978336][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.978342][ T422] CR2: 00007fce14df6090 CR3: 0000000116d4a000 CR4: 00000000003506a0 [ 45.978351][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.978356][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.978364][ T422] Call Trace: [ 45.988575][ T522] !!! css_create !!! [ 45.994714][ T422] path_umount+0x1ad/0xed0 [ 45.994735][ T422] __x64_sys_umount+0xe8/0x110 [ 46.015397][ T522] !!! css_create !!! [ 46.021622][ T422] do_syscall_64+0x34/0x70 [ 46.021631][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.021647][ T422] RIP: 0033:0x7fd11bd99557 [ 46.027540][ T522] !!! css_create !!! [ 46.029934][ T422] 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 [ 46.029940][ T422] RSP: 002b:00007ffc6401fd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 46.029958][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd11bd99557 [ 46.048354][ T522] FAULT_INJECTION: forcing a failure. [ 46.048354][ T522] name failslab, interval 1, probability 0, space 0, times 0 [ 46.055304][ T422] RDX: 00007ffc6401fde9 RSI: 000000000000000a RDI: 00007ffc6401fde0 [ 46.055310][ T422] RBP: 00007ffc6401fde0 R08: 00000000ffffffff R09: 00007ffc6401fbb0 [ 46.055316][ T422] R10: 0000555556e02ba3 R11: 0000000000000246 R12: 00007fd11bdf11f8 [ 46.055327][ T422] R13: 00007ffc64020ea0 R14: 0000555556e02b00 R15: 00007ffc64020ee0 [ 46.079901][ T522] CPU: 0 PID: 522 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 46.088586][ T422] ---[ end trace 3a08363c28c4e36b ]--- [ 46.095398][ T522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.095401][ T522] Call Trace: [ 46.095417][ T522] dump_stack+0x19c/0x1e2 [ 46.277261][ T522] should_fail+0x3f7/0x5b0 [ 46.281675][ T522] __should_failslab+0xd2/0x130 [ 46.286769][ T522] should_failslab+0x9/0x20 [ 46.291355][ T522] slab_pre_alloc_hook+0x25/0xe0 [ 46.296265][ T522] kmem_cache_alloc_trace+0x47/0x2b0 [ 46.301616][ T522] ? percpu_ref_init+0xd0/0x330 [ 46.306534][ T522] percpu_ref_init+0xd0/0x330 [ 46.311486][ T522] ? cgroup_setup_root+0x8a0/0x8a0 [ 46.316668][ T522] cgroup_apply_control_enable+0x49f/0xfc0 [ 46.322457][ T522] cgroup_apply_control+0x36/0x710 [ 46.327629][ T522] ? init_wait_entry+0xe0/0xe0 [ 46.332368][ T522] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.337630][ T522] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.343596][ T522] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.349556][ T522] cgroup_file_write+0x22f/0x4f0 [ 46.354479][ T522] kernfs_fop_write_iter+0x2cd/0x410 [ 46.359742][ T522] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.365159][ T522] vfs_write+0xb57/0xe50 [ 46.369583][ T522] ksys_write+0x157/0x260 [ 46.373910][ T522] __x64_sys_write+0x7b/0x90 [ 46.378481][ T522] do_syscall_64+0x34/0x70 [ 46.382884][ T522] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.388865][ T522] RIP: 0033:0x7f6f953440e9 [ 46.393264][ 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 [ 46.412966][ T522] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.421355][ T522] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 46.429307][ T522] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.437267][ T522] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.445229][ T522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.453266][ T522] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 46.461481][ T522] !!! cgroup_apply_control_disable [ 46.466646][ T522] !!! cgroup_apply_control_disable kill_css ffff88810e99d400 [ 46.474114][ T522] !!! cgroup_apply_control_disable kill_css ffff88810e99e000 [ 46.483329][ T424] ------------[ cut here ]------------ [ 46.488825][ T424] WARNING: CPU: 0 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 46.497785][ T424] Modules linked in: [ 46.501715][ T424] CPU: 0 PID: 424 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 46.513250][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.523698][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 46.529320][ T424] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 46.548983][ T424] RSP: 0018:ffffc90000d67dd0 EFLAGS: 00010293 [ 46.555064][ T424] RAX: ffffffff81af040c RBX: ffff88811ec88e60 RCX: ffff888108136ac0 [ 46.563037][ T424] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 46.570993][ T424] RBP: ffffc90000d67e40 R08: ffffffff81af0137 R09: fffff520001acfb2 [ 46.578971][ T424] R10: fffff520001acfb2 R11: 1ffff920001acfb1 R12: dffffc0000000000 [ 46.586947][ T424] R13: ffff88811ec88d80 R14: 00000000ffffffff R15: 0000000000000000 [ 46.594953][ T424] FS: 000055555565d400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 46.603895][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.610583][ T424] CR2: 00007ffc80b38ff8 CR3: 00000001029ff000 CR4: 00000000003506b0 [ 46.618583][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.626555][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.634713][ T424] Call Trace: [ 46.638029][ T424] path_umount+0x1ad/0xed0 [ 46.642483][ T424] __x64_sys_umount+0xe8/0x110 [ 46.647342][ T424] do_syscall_64+0x34/0x70 [ 46.651790][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.657669][ T424] RIP: 0033:0x7f6f95345557 [ 46.662107][ T424] 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 [ 46.681743][ T424] RSP: 002b:00007ffc80b39298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 46.690161][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f95345557 [ 46.698150][ T424] RDX: 00007ffc80b39369 RSI: 000000000000000a RDI: 00007ffc80b39360 [ 46.706136][ T424] RBP: 00007ffc80b39360 R08: 00000000ffffffff R09: 00007ffc80b39130 [ 46.714121][ T424] R10: 000055555565eba3 R11: 0000000000000246 R12: 00007f6f9539d1f8 [ 46.722088][ T424] R13: 00007ffc80b3a420 R14: 000055555565eb00 R15: 00007ffc80b3a460 [ 46.730299][ T424] ---[ end trace 3a08363c28c4e36c ]--- [ 46.742291][ C0] !!! css_killed_ref_fn css ffff88810e99d400 !!! [ 46.748676][ C0] !!! css_killed_ref_fn css ffff88810e99e000 !!! [ 46.755086][ T5] !!! css_release css ffff88810e99d400 !!! [ 46.760979][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810e99d400 !!! [ 46.769140][ T5] !!! css_release css ffff88810e99e000 !!! [ 46.775269][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810e99e000 !!! [ 46.783030][ T519] !!! css_create !!! [ 46.787123][ T519] !!! css_create !!! [ 46.791452][ T519] !!! css_create !!! [ 46.795494][ T519] FAULT_INJECTION: forcing a failure. [ 46.795494][ T519] name failslab, interval 1, probability 0, space 0, times 0 [ 46.809084][ T519] CPU: 0 PID: 519 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 46.821106][ T519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.831234][ T519] Call Trace: [ 46.834497][ T519] dump_stack+0x19c/0x1e2 [ 46.838810][ T519] should_fail+0x3f7/0x5b0 [ 46.843196][ T519] __should_failslab+0xd2/0x130 [ 46.848014][ T519] should_failslab+0x9/0x20 [ 46.852490][ T519] slab_pre_alloc_hook+0x25/0xe0 [ 46.857748][ T519] kmem_cache_alloc_trace+0x47/0x2b0 [ 46.863009][ T519] ? pids_css_alloc+0x4e/0x120 [ 46.867909][ T519] pids_css_alloc+0x4e/0x120 [ 46.872625][ T519] cgroup_apply_control_enable+0x44e/0xfc0 [ 46.878411][ T519] cgroup_apply_control+0x36/0x710 [ 46.883498][ T519] ? init_wait_entry+0xe0/0xe0 [ 46.888251][ T519] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.893666][ T519] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.899631][ T519] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.905584][ T519] cgroup_file_write+0x22f/0x4f0 [ 46.910506][ T519] kernfs_fop_write_iter+0x2cd/0x410 [ 46.915765][ T519] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.920861][ T519] vfs_write+0xb57/0xe50 [ 46.925096][ T519] ksys_write+0x157/0x260 [ 46.929410][ T519] __x64_sys_write+0x7b/0x90 [ 46.933976][ T519] do_syscall_64+0x34/0x70 [ 46.938455][ T519] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.945192][ T519] RIP: 0033:0x7fd31cb190e9 [ 46.949689][ 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 [ 46.969394][ T519] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.977795][ T519] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 46.985753][ T519] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/05/31 18:32:49 executed programs: 30 [ 46.993704][ T519] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.002180][ T519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.010128][ T519] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 47.018209][ T519] !!! cgroup_apply_control_disable [ 47.023574][ T519] !!! cgroup_apply_control_disable kill_css ffff88810eab3000 [ 47.031310][ T519] !!! cgroup_apply_control_disable kill_css ffff88810eab6800 [ 47.042457][ T423] ------------[ cut here ]------------ [ 47.048079][ T423] WARNING: CPU: 1 PID: 423 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 47.057015][ T423] Modules linked in: [ 47.061210][ T423] CPU: 1 PID: 423 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 47.071132][ C0] !!! css_killed_ref_fn css ffff88810eab3000 !!! [ 47.072911][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.072932][ T423] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 47.079420][ C0] !!! css_killed_ref_fn css ffff88810eab6800 !!! [ 47.090162][ T423] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 47.095871][ T5] !!! css_release css ffff88810eab3000 !!! [ 47.102082][ T423] RSP: 0018:ffffc90000d57d58 EFLAGS: 00010293 [ 47.102099][ T423] RAX: ffffffff81af040c RBX: ffff88811ec88ce0 RCX: ffff88810536cc40 [ 47.122479][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810eab3000 !!! [ 47.127666][ T423] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 47.127672][ T423] RBP: ffffc90000d57dc8 R08: ffffffff81af0137 R09: fffff520001aafa3 [ 47.127678][ T423] R10: fffff520001aafa3 R11: 1ffff920001aafa2 R12: dffffc0000000000 [ 47.127685][ T423] R13: ffff88811ec88c00 R14: 00000000fffffffe R15: 0000000000000000 [ 47.127694][ T423] FS: 0000555555d72400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 47.127700][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.127706][ T423] CR2: 00007ffedb33082c CR3: 0000000116485000 CR4: 00000000003506a0 [ 47.127721][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.134479][ T5] !!! css_release css ffff88810eab6800 !!! [ 47.141844][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.141850][ T423] Call Trace: [ 47.141867][ T423] ? init_wait_entry+0xe0/0xe0 [ 47.141875][ T423] ? up_write+0x68/0x140 [ 47.141894][ T423] namespace_unlock+0x377/0x420 [ 47.149727][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810eab6800 !!! [ 47.157397][ T423] path_umount+0xe23/0xed0 [ 47.157413][ T423] __x64_sys_umount+0xe8/0x110 [ 47.165599][ T534] !!! css_create !!! [ 47.173679][ T423] do_syscall_64+0x34/0x70 [ 47.173689][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.173702][ T423] RIP: 0033:0x7fd31cb1a557 [ 47.181974][ T534] !!! css_create !!! [ 47.190572][ T423] 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 [ 47.190579][ T423] RSP: 002b:00007ffedb330808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 47.190592][ T423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd31cb1a557 [ 47.190603][ T423] RDX: 00007ffedb3308d9 RSI: 000000000000000a RDI: 00007ffedb3308d0 [ 47.197505][ T534] !!! css_create !!! [ 47.205178][ T423] RBP: 00007ffedb3308d0 R08: 00000000ffffffff R09: 00007ffedb3306a0 [ 47.205186][ T423] R10: 0000555555d73ba3 R11: 0000000000000246 R12: 00007fd31cb721f8 [ 47.205193][ T423] R13: 00007ffedb331990 R14: 0000555555d73b00 R15: 00007ffedb3319d0 [ 47.205202][ T423] ---[ end trace 3a08363c28c4e36d ]--- [ 47.216008][ T423] ------------[ cut here ]------------ [ 47.219288][ T534] FAULT_INJECTION: forcing a failure. [ 47.219288][ T534] name failslab, interval 1, probability 0, space 0, times 0 [ 47.227262][ T423] WARNING: CPU: 1 PID: 423 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 47.230646][ T534] CPU: 0 PID: 534 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 47.235499][ T423] Modules linked in: [ 47.239795][ T534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.244657][ T423] [ 47.252148][ T534] Call Trace: [ 47.252173][ T534] dump_stack+0x19c/0x1e2 [ 47.256564][ T423] CPU: 1 PID: 423 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 47.261297][ T534] should_fail+0x3f7/0x5b0 [ 47.261311][ T534] __should_failslab+0xd2/0x130 [ 47.265186][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.269576][ T534] should_failslab+0x9/0x20 [ 47.275450][ T423] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 47.279833][ T534] slab_pre_alloc_hook+0x25/0xe0 [ 47.283799][ T423] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 47.303654][ T534] ? __kernfs_new_node+0x4c/0x6d0 [ 47.303665][ T534] __kmalloc_track_caller+0x70/0x300 [ 47.303672][ T534] ? __kernfs_new_node+0x4c/0x6d0 [ 47.303690][ T534] kstrdup_const+0x55/0x90 [ 47.312128][ T423] RSP: 0018:ffffc90000d57dd0 EFLAGS: 00010293 [ 47.320155][ T534] __kernfs_new_node+0x4c/0x6d0 [ 47.328127][ T423] [ 47.331994][ T534] ? string+0x29f/0x2b0 [ 47.332008][ T534] ? vsnprintf+0x1a6c/0x1b30 [ 47.340825][ T423] RAX: ffffffff81af040c RBX: ffff88811ec88ce0 RCX: ffff88810536cc40 [ 47.348864][ T534] kernfs_new_node+0x97/0x170 [ 47.348877][ T534] __kernfs_create_file+0x4a/0x270 [ 47.356830][ T423] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 47.362254][ T534] cgroup_addrm_files+0x99e/0xeb0 [ 47.362267][ T534] ? delete_node+0x747/0x7a0 [ 47.367694][ T423] RBP: ffffc90000d57e40 R08: ffffffff81af0137 R09: fffff520001aafb2 [ 47.380265][ T534] css_populate_dir+0x137/0x370 [ 47.380278][ T534] cgroup_apply_control_enable+0x31e/0xfc0 [ 47.380296][ T534] cgroup_apply_control+0x36/0x710 [ 47.389247][ T423] R10: fffff520001aafb2 R11: 1ffff920001aafb1 R12: dffffc0000000000 [ 47.400848][ T534] ? init_wait_entry+0xe0/0xe0 [ 47.400861][ T534] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.400872][ T534] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.400891][ T534] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.404771][ T423] R13: ffff88811ec88c00 R14: 00000000fffffffd R15: 0000000000000000 [ 47.414839][ T534] cgroup_file_write+0x22f/0x4f0 [ 47.414853][ T534] kernfs_fop_write_iter+0x2cd/0x410 [ 47.414872][ T534] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.417275][ T423] FS: 0000555555d72400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 47.420534][ T534] vfs_write+0xb57/0xe50 [ 47.424847][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.436364][ T534] ksys_write+0x157/0x260 [ 47.436375][ T534] __x64_sys_write+0x7b/0x90 [ 47.436383][ T534] do_syscall_64+0x34/0x70 [ 47.436403][ T534] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.440801][ T423] CR2: 00007ffedb33082c CR3: 0000000116485000 CR4: 00000000003506a0 [ 47.445622][ T534] RIP: 0033:0x7f6f953440e9 [ 47.445632][ T534] 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 [ 47.445644][ T534] RSP: 002b:00007f6f952ba168 EFLAGS: 00000246 [ 47.456120][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.460587][ T534] ORIG_RAX: 0000000000000001 [ 47.466194][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.471099][ T534] RAX: ffffffffffffffda RBX: 00007f6f95456f60 RCX: 00007f6f953440e9 [ 47.471104][ T534] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.471115][ T534] RBP: 00007f6f952ba1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.491112][ T423] Call Trace: [ 47.496095][ T534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.501364][ T423] path_umount+0x1ad/0xed0 [ 47.506364][ T534] R13: 00007ffc80b3a13f R14: 00007f6f952ba300 R15: 0000000000022000 [ 47.510781][ T423] __x64_sys_umount+0xe8/0x110 [ 47.517009][ T534] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.521747][ T423] do_syscall_64+0x34/0x70 [ 47.521760][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.521778][ T423] RIP: 0033:0x7fd31cb1a557 [ 47.524215][ T534] !!! cgroup_apply_control_disable [ 47.528589][ T423] 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 [ 47.528597][ T423] RSP: 002b:00007ffedb330808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 47.528610][ T423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd31cb1a557 [ 47.528616][ T423] RDX: 00007ffedb3308d9 RSI: 000000000000000a RDI: 00007ffedb3308d0 [ 47.528623][ T423] RBP: 00007ffedb3308d0 R08: 00000000ffffffff R09: 00007ffedb3306a0 [ 47.528628][ T423] R10: 0000555555d73ba3 R11: 0000000000000246 R12: 00007fd31cb721f8 [ 47.528634][ T423] R13: 00007ffedb331990 R14: 0000555555d73b00 R15: 00007ffedb3319d0 [ 47.528648][ T423] ---[ end trace 3a08363c28c4e36e ]--- [ 47.533375][ T534] !!! cgroup_apply_control_disable kill_css ffff88810f224c00 [ 47.905585][ T534] !!! cgroup_apply_control_disable kill_css ffff88810f225400 [ 47.913132][ T534] !!! cgroup_apply_control_disable kill_css ffff88810f226000 [ 47.922069][ T424] ------------[ cut here ]------------ [ 47.927609][ T424] WARNING: CPU: 0 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 47.937004][ T424] Modules linked in: [ 47.940895][ T424] CPU: 0 PID: 424 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 47.952430][ C0] !!! css_killed_ref_fn css ffff88810f224c00 !!! [ 47.958746][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.968846][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 47.974515][ T424] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 47.994242][ T424] RSP: 0018:ffffc90000d67d58 EFLAGS: 00010293 [ 48.000298][ T424] RAX: ffffffff81af040c RBX: ffff88810cf2cce0 RCX: ffff888108136ac0 [ 48.008262][ T424] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 48.016231][ T424] RBP: ffffc90000d67dc8 R08: ffffffff81af0137 R09: fffff520001acfa3 [ 48.024194][ T424] R10: fffff520001acfa3 R11: 1ffff920001acfa2 R12: dffffc0000000000 [ 48.032180][ T424] R13: ffff88810cf2cc00 R14: 00000000ffffffff R15: 0000000000000000 [ 48.040218][ T424] FS: 000055555565d400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.049349][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.055930][ T424] CR2: 00007ffc80b38ff8 CR3: 00000001029ff000 CR4: 00000000003506b0 [ 48.063918][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.071911][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.080050][ T424] Call Trace: [ 48.083341][ T424] ? init_wait_entry+0xe0/0xe0 [ 48.088098][ T424] ? up_write+0x68/0x140 [ 48.092350][ T424] namespace_unlock+0x377/0x420 [ 48.097216][ T424] path_umount+0xe23/0xed0 [ 48.101653][ T424] __x64_sys_umount+0xe8/0x110 [ 48.106402][ T424] do_syscall_64+0x34/0x70 [ 48.110973][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.117058][ T424] RIP: 0033:0x7f6f95345557 [ 48.121575][ T424] 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 [ 48.141639][ T424] RSP: 002b:00007ffc80b39298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 48.150040][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f95345557 [ 48.158115][ T424] RDX: 00007ffc80b39369 RSI: 000000000000000a RDI: 00007ffc80b39360 [ 48.166170][ T424] RBP: 00007ffc80b39360 R08: 00000000ffffffff R09: 00007ffc80b39130 [ 48.174149][ T424] R10: 000055555565eba3 R11: 0000000000000246 R12: 00007f6f9539d1f8 [ 48.182318][ T424] R13: 00007ffc80b3a420 R14: 000055555565eb00 R15: 00007ffc80b3a460 [ 48.190298][ T424] ---[ end trace 3a08363c28c4e36f ]--- [ 48.195967][ T5] !!! css_release css ffff88810f224c00 !!! [ 48.196082][ T424] ------------[ cut here ]------------ [ 48.201962][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810f224c00 !!! [ 48.207264][ T424] WARNING: CPU: 1 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 48.207273][ T424] Modules linked in: [ 48.227518][ T424] CPU: 1 PID: 424 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 48.239066][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.249162][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 48.254790][ T424] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 48.274413][ T424] RSP: 0018:ffffc90000d67dd0 EFLAGS: 00010293 [ 48.280489][ T424] RAX: ffffffff81af040c RBX: ffff88810cf2cce0 RCX: ffff888108136ac0 [ 48.288496][ T424] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 48.296542][ T424] RBP: ffffc90000d67e40 R08: ffffffff81af0137 R09: fffff520001acfb2 [ 48.304577][ T424] R10: fffff520001acfb2 R11: 1ffff920001acfb1 R12: dffffc0000000000 [ 48.312557][ T424] R13: ffff88810cf2cc00 R14: 00000000fffffffe R15: 0000000000000000 [ 48.320528][ T424] FS: 000055555565d400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 48.329497][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.336142][ T424] CR2: 00007ffedb33082c CR3: 00000001029ff000 CR4: 00000000003506a0 [ 48.344131][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.352149][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.360118][ T424] Call Trace: [ 48.363432][ T424] path_umount+0x1ad/0xed0 [ 48.367831][ T424] __x64_sys_umount+0xe8/0x110 [ 48.372582][ T424] do_syscall_64+0x34/0x70 [ 48.376976][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.382873][ T424] RIP: 0033:0x7f6f95345557 [ 48.387276][ T424] 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 [ 48.407437][ T424] RSP: 002b:00007ffc80b39298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 48.415871][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f95345557 [ 48.423834][ T424] RDX: 00007ffc80b39369 RSI: 000000000000000a RDI: 00007ffc80b39360 [ 48.431936][ T424] RBP: 00007ffc80b39360 R08: 00000000ffffffff R09: 00007ffc80b39130 [ 48.439898][ T424] R10: 000055555565eba3 R11: 0000000000000246 R12: 00007f6f9539d1f8 [ 48.447866][ T424] R13: 00007ffc80b3a420 R14: 000055555565eb00 R15: 00007ffc80b3a460 [ 48.455854][ T424] ---[ end trace 3a08363c28c4e370 ]--- [ 48.469399][ C0] !!! css_killed_ref_fn css ffff88810f225400 !!! [ 48.475780][ C0] ------------[ cut here ]------------ [ 48.481242][ C0] percpu ref (css_release) <= 0 (-1) after switching to atomic [ 48.481328][ C0] WARNING: CPU: 0 PID: 12 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 48.499506][ C0] Modules linked in: [ 48.503496][ C0] CPU: 0 PID: 12 Comm: ksoftirqd/0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 48.514705][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.524825][ C0] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 48.531898][ C0] Code: 00 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ff e8 f3 77 64 ff 49 8b 17 48 c7 c7 c0 e0 02 85 48 89 de 31 c0 e8 cf c7 01 ff <0f> 0b e9 2d fd ff ff e8 03 ec 2c ff 0f 0b e9 87 fe ff ff 48 c7 c1 [ 48.552021][ C0] RSP: 0018:ffffc900000c7bb0 EFLAGS: 00010246 [ 48.558095][ C0] RAX: 8d3c8288dbb07200 RBX: ffffffff81610550 RCX: ffff888100230000 [ 48.566097][ C0] RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 [ 48.574216][ C0] RBP: ffffc900000c7bf8 R08: ffffffff815145c8 R09: fffff52000018f0f [ 48.582287][ C0] R10: fffff52000018f0f R11: 1ffff92000018f0e R12: ffff88810d78aca0 [ 48.590410][ C0] R13: 0000000000000008 R14: 1ffff11021af1590 R15: ffff88810d78ac80 [ 48.598405][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.607356][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.613969][ C0] CR2: 00007f6f95458090 CR3: 000000010d786000 CR4: 00000000003506b0 [ 48.621969][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.629948][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.640048][ C0] Call Trace: [ 48.643376][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 48.649436][ C0] rcu_do_batch+0x4ad/0xb00 [ 48.653977][ C0] rcu_core+0x64a/0xdf0 [ 48.658132][ C0] ? sched_clock_cpu+0x1b/0x3e0 [ 48.663017][ C0] rcu_core_si+0x9/0x10 [ 48.667177][ C0] __do_softirq+0x253/0x67b [ 48.671709][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 48.676920][ C0] run_ksoftirqd+0x23/0x30 [ 48.681343][ C0] smpboot_thread_fn+0x4c8/0x8b0 [ 48.686285][ C0] kthread+0x365/0x400 [ 48.690351][ C0] ? cpu_report_death+0x1a0/0x1a0 [ 48.695397][ C0] ? kthread_blkcg+0xd0/0xd0 [ 48.699983][ C0] ret_from_fork+0x1f/0x30 [ 48.704404][ C0] ---[ end trace 3a08363c28c4e371 ]--- [ 48.709849][ C0] !!! css_killed_ref_fn css ffff88810f226000 !!! [ 48.716238][ T107] !!! css_release css ffff88810f225400 !!! [ 48.722085][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f225400 !!! [ 48.729925][ T543] !!! css_create !!! [ 48.734636][ T543] !!! css_create !!! [ 48.738571][ T543] !!! css_create !!! [ 48.742649][ T543] FAULT_INJECTION: forcing a failure. [ 48.742649][ T543] name failslab, interval 1, probability 0, space 0, times 0 [ 48.755380][ T543] CPU: 0 PID: 543 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 48.767219][ T543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.779883][ T543] Call Trace: [ 48.783158][ T543] dump_stack+0x19c/0x1e2 [ 48.787493][ T543] should_fail+0x3f7/0x5b0 [ 48.791918][ T543] __should_failslab+0xd2/0x130 [ 48.796764][ T543] should_failslab+0x9/0x20 [ 48.801264][ T543] slab_pre_alloc_hook+0x25/0xe0 [ 48.806204][ T543] kmem_cache_alloc_trace+0x47/0x2b0 [ 48.811562][ T543] ? percpu_ref_init+0xd0/0x330 [ 48.816491][ T543] percpu_ref_init+0xd0/0x330 [ 48.821410][ T543] ? cgroup_setup_root+0x8a0/0x8a0 [ 48.826524][ T543] cgroup_apply_control_enable+0x49f/0xfc0 [ 48.832525][ T543] cgroup_apply_control+0x36/0x710 [ 48.837624][ T543] ? init_wait_entry+0xe0/0xe0 [ 48.842366][ T543] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.847812][ T543] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.853862][ T543] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.859817][ T543] cgroup_file_write+0x22f/0x4f0 [ 48.864733][ T543] kernfs_fop_write_iter+0x2cd/0x410 [ 48.869992][ T543] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.875082][ T543] vfs_write+0xb57/0xe50 [ 48.879388][ T543] ksys_write+0x157/0x260 [ 48.883698][ T543] __x64_sys_write+0x7b/0x90 [ 48.888267][ T543] do_syscall_64+0x34/0x70 [ 48.892656][ T543] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.898530][ T543] RIP: 0033:0x7fd31cb190e9 [ 48.902936][ T543] 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 [ 48.922536][ T543] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.930940][ T543] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 48.939011][ T543] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.946966][ T543] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.954914][ T543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.962864][ T543] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 48.970943][ T543] !!! cgroup_apply_control_disable [ 48.976561][ T543] !!! cgroup_apply_control_disable kill_css ffff88810f1c3800 [ 48.984615][ T543] !!! cgroup_apply_control_disable kill_css ffff88810f1c2000 [ 49.011271][ C1] !!! css_killed_ref_fn css ffff88810f1c3800 !!! [ 49.017902][ T19] !!! css_release css ffff88810f1c3800 !!! [ 49.023942][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810f1c3800 !!! [ 49.031816][ C1] !!! css_killed_ref_fn css ffff88810f1c2000 !!! [ 49.038566][ T19] !!! css_release css ffff88810f1c2000 !!! [ 49.044840][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810f1c2000 !!! [ 49.052334][ T513] !!! css_create !!! [ 49.056651][ T513] !!! css_create !!! [ 49.061367][ T513] !!! css_create !!! [ 49.065302][ T513] FAULT_INJECTION: forcing a failure. [ 49.065302][ T513] name failslab, interval 1, probability 0, space 0, times 0 [ 49.078503][ T513] CPU: 1 PID: 513 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 49.090554][ T513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.100949][ T513] Call Trace: [ 49.104395][ T513] dump_stack+0x19c/0x1e2 [ 49.108779][ T513] should_fail+0x3f7/0x5b0 [ 49.113290][ T513] __should_failslab+0xd2/0x130 [ 49.118116][ T513] should_failslab+0x9/0x20 [ 49.123631][ T513] slab_pre_alloc_hook+0x25/0xe0 [ 49.129083][ T513] kmem_cache_alloc_trace+0x47/0x2b0 [ 49.134678][ T513] ? percpu_ref_init+0xd0/0x330 [ 49.139644][ T513] percpu_ref_init+0xd0/0x330 [ 49.144486][ T513] ? cgroup_setup_root+0x8a0/0x8a0 [ 49.149575][ T513] cgroup_apply_control_enable+0x49f/0xfc0 [ 49.155458][ T513] cgroup_apply_control+0x36/0x710 [ 49.160562][ T513] ? init_wait_entry+0xe0/0xe0 [ 49.165391][ T513] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.170776][ T513] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.176828][ T513] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.182781][ T513] cgroup_file_write+0x22f/0x4f0 [ 49.187756][ T513] kernfs_fop_write_iter+0x2cd/0x410 [ 49.193154][ T513] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.198360][ T513] vfs_write+0xb57/0xe50 [ 49.202622][ T513] ksys_write+0x157/0x260 [ 49.207139][ T513] __x64_sys_write+0x7b/0x90 [ 49.211722][ T513] do_syscall_64+0x34/0x70 [ 49.216205][ T513] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.222091][ T513] RIP: 0033:0x7fe496c3a0e9 [ 49.226582][ 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 [ 49.246177][ T513] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.254619][ T513] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 49.262589][ T513] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.270555][ T513] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.278508][ T513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.286467][ T513] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 49.295169][ T513] !!! cgroup_apply_control_disable [ 49.300281][ T513] !!! cgroup_apply_control_disable kill_css ffff88810f111800 [ 49.307730][ T513] !!! cgroup_apply_control_disable kill_css ffff88810f110800 [ 49.341134][ C1] !!! css_killed_ref_fn css ffff88810f111800 !!! [ 49.347498][ C1] !!! css_killed_ref_fn css ffff88810f110800 !!! [ 49.354182][ T19] !!! css_release css ffff88810f111800 !!! [ 49.360123][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810f111800 !!! [ 49.367804][ T19] !!! css_release css ffff88810f110800 !!! [ 49.373856][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810f110800 !!! [ 49.381612][ T535] !!! css_create !!! [ 49.385644][ T535] !!! css_create !!! [ 49.389622][ T535] !!! css_create !!! [ 49.393582][ T535] FAULT_INJECTION: forcing a failure. [ 49.393582][ T535] name failslab, interval 1, probability 0, space 0, times 0 [ 49.406287][ T535] CPU: 1 PID: 535 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 49.417807][ T535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.427979][ T535] Call Trace: [ 49.431252][ T535] dump_stack+0x19c/0x1e2 [ 49.435706][ T535] should_fail+0x3f7/0x5b0 [ 49.440127][ T535] __should_failslab+0xd2/0x130 [ 49.444969][ T535] should_failslab+0x9/0x20 [ 49.449453][ T535] slab_pre_alloc_hook+0x25/0xe0 [ 49.454363][ T535] ? __kernfs_new_node+0x4c/0x6d0 [ 49.459366][ T535] __kmalloc_track_caller+0x70/0x300 [ 49.464642][ T535] ? __kernfs_new_node+0x4c/0x6d0 [ 49.469665][ T535] kstrdup_const+0x55/0x90 [ 49.474174][ T535] __kernfs_new_node+0x4c/0x6d0 [ 49.479011][ T535] ? string+0x29f/0x2b0 [ 49.483142][ T535] ? vsnprintf+0x1a6c/0x1b30 [ 49.487707][ T535] kernfs_new_node+0x97/0x170 [ 49.492361][ T535] __kernfs_create_file+0x4a/0x270 [ 49.497451][ T535] cgroup_addrm_files+0x99e/0xeb0 [ 49.502448][ T535] ? delete_node+0x747/0x7a0 [ 49.507016][ T535] css_populate_dir+0x137/0x370 [ 49.511838][ T535] cgroup_apply_control_enable+0x31e/0xfc0 [ 49.517617][ T535] cgroup_apply_control+0x36/0x710 [ 49.522701][ T535] ? init_wait_entry+0xe0/0xe0 [ 49.527459][ T535] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.532727][ T535] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.538691][ T535] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.544763][ T535] cgroup_file_write+0x22f/0x4f0 [ 49.549694][ T535] kernfs_fop_write_iter+0x2cd/0x410 [ 49.554963][ T535] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.560159][ T535] vfs_write+0xb57/0xe50 [ 49.564672][ T535] ksys_write+0x157/0x260 [ 49.569000][ T535] __x64_sys_write+0x7b/0x90 [ 49.573759][ T535] do_syscall_64+0x34/0x70 [ 49.578151][ T535] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.584018][ T535] RIP: 0033:0x7fd11bd980e9 [ 49.588413][ T535] 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 [ 49.608297][ T535] RSP: 002b:00007fd11bd0e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.617063][ T535] RAX: ffffffffffffffda RBX: 00007fd11beaaf60 RCX: 00007fd11bd980e9 [ 49.625108][ T535] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.633685][ T535] RBP: 00007fd11bd0e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.641638][ T535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.649587][ T535] R13: 00007ffc64020bbf R14: 00007fd11bd0e300 R15: 0000000000022000 [ 49.657679][ T535] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.664767][ T535] !!! cgroup_apply_control_disable [ 49.669864][ T535] !!! cgroup_apply_control_disable kill_css ffff88810f5fa000 [ 49.677360][ T535] !!! cgroup_apply_control_disable kill_css ffff88810f5fb400 [ 49.684767][ T535] !!! cgroup_apply_control_disable kill_css ffff88810f5c4400 [ 49.747902][ C1] !!! css_killed_ref_fn css ffff88810f5fa000 !!! [ 49.754293][ C1] !!! css_killed_ref_fn css ffff88810f5fb400 !!! [ 49.760603][ C1] !!! css_killed_ref_fn css ffff88810f5c4400 !!! [ 49.767018][ T19] !!! css_release css ffff88810f5fa000 !!! [ 49.772834][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810f5fa000 !!! [ 49.780289][ T19] !!! css_release css ffff88810f5fb400 !!! [ 49.786268][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810f5fb400 !!! [ 49.794179][ T19] !!! css_release css ffff88810f5c4400 !!! [ 49.799972][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810f5c4400 !!! [ 49.807511][ T544] !!! css_create !!! [ 49.811468][ T544] !!! css_create !!! [ 49.815389][ T544] !!! css_create !!! [ 49.819268][ T544] FAULT_INJECTION: forcing a failure. [ 49.819268][ T544] name failslab, interval 1, probability 0, space 0, times 0 [ 49.831889][ T544] CPU: 1 PID: 544 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 49.843416][ T544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.853448][ T544] Call Trace: [ 49.856808][ T544] dump_stack+0x19c/0x1e2 [ 49.861130][ T544] should_fail+0x3f7/0x5b0 [ 49.865530][ T544] __should_failslab+0xd2/0x130 [ 49.870452][ T544] should_failslab+0x9/0x20 [ 49.874926][ T544] slab_pre_alloc_hook+0x25/0xe0 [ 49.879850][ T544] kmem_cache_alloc_trace+0x47/0x2b0 [ 49.885254][ T544] ? percpu_ref_init+0xd0/0x330 [ 49.890097][ T544] percpu_ref_init+0xd0/0x330 [ 49.894925][ T544] ? cgroup_setup_root+0x8a0/0x8a0 [ 49.900014][ T544] cgroup_apply_control_enable+0x49f/0xfc0 [ 49.905797][ T544] cgroup_apply_control+0x36/0x710 [ 49.910898][ T544] ? init_wait_entry+0xe0/0xe0 [ 49.915644][ T544] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.920906][ T544] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.926859][ T544] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.932812][ T544] cgroup_file_write+0x22f/0x4f0 [ 49.937727][ T544] kernfs_fop_write_iter+0x2cd/0x410 [ 49.942987][ T544] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.948070][ T544] vfs_write+0xb57/0xe50 [ 49.952287][ T544] ksys_write+0x157/0x260 [ 49.956608][ T544] __x64_sys_write+0x7b/0x90 [ 49.961195][ T544] do_syscall_64+0x34/0x70 [ 49.965592][ T544] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.971455][ T544] RIP: 0033:0x7f6f953440e9 [ 49.975862][ 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 [ 49.999112][ T544] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.007510][ T544] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 50.015471][ T544] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.023420][ T544] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.031366][ T544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.039311][ T544] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 50.048237][ T544] !!! cgroup_apply_control_disable [ 50.053385][ T544] !!! cgroup_apply_control_disable kill_css ffff88810f5c6400 [ 50.060780][ T544] !!! cgroup_apply_control_disable kill_css ffff88810f5c4000 [ 50.081137][ C1] !!! css_killed_ref_fn css ffff88810f5c6400 !!! [ 50.087514][ C1] !!! css_killed_ref_fn css ffff88810f5c4000 !!! [ 50.094116][ T426] !!! css_release css ffff88810f5c6400 !!! [ 50.099905][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810f5c6400 !!! [ 50.107467][ T426] !!! css_release css ffff88810f5c4000 !!! [ 50.113354][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810f5c4000 !!! [ 50.120885][ T528] !!! css_create !!! [ 50.124954][ T528] !!! css_create !!! [ 50.128878][ T528] !!! css_create !!! [ 50.132884][ T528] FAULT_INJECTION: forcing a failure. [ 50.132884][ T528] name failslab, interval 1, probability 0, space 0, times 0 [ 50.145543][ T528] CPU: 1 PID: 528 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 50.157147][ T528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.167184][ T528] Call Trace: [ 50.170458][ T528] dump_stack+0x19c/0x1e2 [ 50.174786][ T528] should_fail+0x3f7/0x5b0 [ 50.179317][ T528] __should_failslab+0xd2/0x130 [ 50.184159][ T528] should_failslab+0x9/0x20 [ 50.188653][ T528] slab_pre_alloc_hook+0x25/0xe0 [ 50.193571][ T528] kmem_cache_alloc_trace+0x47/0x2b0 [ 50.198833][ T528] ? percpu_ref_init+0xd0/0x330 [ 50.203684][ T528] percpu_ref_init+0xd0/0x330 [ 50.208357][ T528] ? cgroup_setup_root+0x8a0/0x8a0 [ 50.213474][ T528] cgroup_apply_control_enable+0x49f/0xfc0 [ 50.219413][ T528] cgroup_apply_control+0x36/0x710 [ 50.224555][ T528] ? init_wait_entry+0xe0/0xe0 [ 50.229332][ T528] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.234821][ T528] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.240789][ T528] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.246746][ T528] cgroup_file_write+0x22f/0x4f0 [ 50.251672][ T528] kernfs_fop_write_iter+0x2cd/0x410 [ 50.257059][ T528] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.262159][ T528] vfs_write+0xb57/0xe50 [ 50.266377][ T528] ksys_write+0x157/0x260 [ 50.270677][ T528] __x64_sys_write+0x7b/0x90 [ 50.275240][ T528] do_syscall_64+0x34/0x70 [ 50.279654][ T528] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.285551][ T528] RIP: 0033:0x7fce14ce20e9 [ 50.289955][ 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 [ 50.309549][ T528] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.318066][ T528] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 50.326024][ T528] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.333980][ T528] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.341935][ T528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.349880][ T528] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 50.357966][ T528] !!! cgroup_apply_control_disable [ 50.363239][ T528] !!! cgroup_apply_control_disable kill_css ffff88810f406000 [ 50.370658][ T528] !!! cgroup_apply_control_disable kill_css ffff88810f899c00 [ 50.411172][ C0] !!! css_killed_ref_fn css ffff88810f406000 !!! [ 50.417663][ C0] !!! css_killed_ref_fn css ffff88810f899c00 !!! [ 50.424299][ T107] !!! css_release css ffff88810f406000 !!! [ 50.430112][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f406000 !!! [ 50.437685][ T107] !!! css_release css ffff88810f899c00 !!! [ 50.443566][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f899c00 !!! [ 50.451050][ T527] !!! css_create !!! [ 50.455106][ T527] !!! css_create !!! [ 50.459071][ T527] !!! css_create !!! [ 50.463035][ T527] FAULT_INJECTION: forcing a failure. [ 50.463035][ T527] name failslab, interval 1, probability 0, space 0, times 0 [ 50.475683][ T527] CPU: 0 PID: 527 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 50.487314][ T527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.497357][ T527] Call Trace: [ 50.500646][ T527] dump_stack+0x19c/0x1e2 [ 50.504993][ T527] should_fail+0x3f7/0x5b0 [ 50.509404][ T527] __should_failslab+0xd2/0x130 [ 50.514252][ T527] should_failslab+0x9/0x20 [ 50.518756][ T527] slab_pre_alloc_hook+0x25/0xe0 [ 50.523680][ T527] ? __kernfs_new_node+0x4c/0x6d0 [ 50.528689][ T527] __kmalloc_track_caller+0x70/0x300 [ 50.534037][ T527] ? __kernfs_new_node+0x4c/0x6d0 [ 50.539036][ T527] kstrdup_const+0x55/0x90 [ 50.543556][ T527] __kernfs_new_node+0x4c/0x6d0 [ 50.548483][ T527] ? string+0x29f/0x2b0 [ 50.552646][ T527] ? vsnprintf+0x1a6c/0x1b30 [ 50.557218][ T527] kernfs_new_node+0x97/0x170 [ 50.561869][ T527] __kernfs_create_file+0x4a/0x270 [ 50.567042][ T527] cgroup_addrm_files+0x99e/0xeb0 [ 50.572052][ T527] ? delete_node+0x747/0x7a0 [ 50.576651][ T527] css_populate_dir+0x137/0x370 [ 50.581491][ T527] cgroup_apply_control_enable+0x31e/0xfc0 [ 50.587446][ T527] cgroup_apply_control+0x36/0x710 [ 50.592528][ T527] ? init_wait_entry+0xe0/0xe0 [ 50.597284][ T527] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.602562][ T527] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.608543][ T527] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.614546][ T527] cgroup_file_write+0x22f/0x4f0 [ 50.619481][ T527] kernfs_fop_write_iter+0x2cd/0x410 [ 50.624749][ T527] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.629860][ T527] vfs_write+0xb57/0xe50 [ 50.634104][ T527] ksys_write+0x157/0x260 [ 50.638427][ T527] __x64_sys_write+0x7b/0x90 [ 50.643005][ T527] do_syscall_64+0x34/0x70 [ 50.647395][ T527] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.653258][ T527] RIP: 0033:0x7f9ada61d0e9 [ 50.657649][ T527] 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 [ 50.678132][ T527] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.686916][ T527] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 50.694873][ T527] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.702834][ T527] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.711161][ T527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.719215][ T527] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 50.728137][ T527] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.735878][ T527] !!! cgroup_apply_control_disable [ 50.741059][ T527] !!! cgroup_apply_control_disable kill_css ffff88810f432800 [ 50.748759][ T527] !!! cgroup_apply_control_disable kill_css ffff88810f430400 [ 50.756368][ T527] !!! cgroup_apply_control_disable kill_css ffff88810f431c00 [ 50.765262][ T418] ------------[ cut here ]------------ [ 50.770761][ T418] WARNING: CPU: 0 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 50.780098][ T418] Modules linked in: [ 50.784055][ T418] CPU: 0 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 50.796830][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.807349][ T418] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 50.813277][ T418] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 50.833337][ T418] RSP: 0018:ffffc90000ce7d58 EFLAGS: 00010293 [ 50.839479][ T418] RAX: ffffffff81af040c RBX: ffff88811ec89a60 RCX: ffff888108262dc0 [ 50.847660][ T418] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 50.855927][ T418] RBP: ffffc90000ce7dc8 R08: ffffffff81af0137 R09: fffff5200019cfa3 [ 50.863917][ T418] R10: fffff5200019cfa3 R11: 1ffff9200019cfa2 R12: dffffc0000000000 [ 50.872004][ T418] R13: ffff88811ec89980 R14: 00000000fffffffd R15: 0000000000000000 [ 50.880407][ T418] FS: 000055555645f400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 50.889322][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.895906][ T418] CR2: 00007fce14dc5058 CR3: 00000001093c0000 CR4: 00000000003506b0 [ 50.904048][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.912222][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.920627][ T418] Call Trace: [ 50.923952][ T418] ? init_wait_entry+0xe0/0xe0 [ 50.928720][ T418] ? up_write+0x68/0x140 [ 50.932970][ T418] namespace_unlock+0x377/0x420 [ 50.937819][ T418] path_umount+0xe23/0xed0 [ 50.942325][ T418] __x64_sys_umount+0xe8/0x110 [ 50.947070][ T418] do_syscall_64+0x34/0x70 [ 50.951492][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.957378][ T418] RIP: 0033:0x7f9ada61e557 [ 50.961805][ T418] 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 [ 50.981428][ T418] RSP: 002b:00007ffe7bfba128 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 50.989840][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ada61e557 [ 50.997832][ T418] RDX: 00007ffe7bfba1f9 RSI: 000000000000000a RDI: 00007ffe7bfba1f0 [ 51.005838][ T418] RBP: 00007ffe7bfba1f0 R08: 00000000ffffffff R09: 00007ffe7bfb9fc0 [ 51.013998][ T418] R10: 0000555556460ba3 R11: 0000000000000246 R12: 00007f9ada6761f8 [ 51.021968][ T418] R13: 00007ffe7bfbb2b0 R14: 0000555556460b00 R15: 00007ffe7bfbb2f0 [ 51.029923][ T418] ---[ end trace 3a08363c28c4e372 ]--- [ 51.035449][ T418] ------------[ cut here ]------------ [ 51.040909][ T418] WARNING: CPU: 0 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 51.049903][ T418] Modules linked in: [ 51.053943][ T418] CPU: 0 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 51.065869][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.075948][ T418] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 51.081589][ T418] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 51.101205][ T418] RSP: 0018:ffffc90000ce7dd0 EFLAGS: 00010293 [ 51.107255][ T418] RAX: ffffffff81af040c RBX: ffff88811ec89a60 RCX: ffff888108262dc0 [ 51.115224][ T418] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: 0000000000000000 [ 51.123202][ T418] RBP: ffffc90000ce7e40 R08: ffffffff81af0137 R09: fffff5200019cfb2 [ 51.131766][ T418] R10: fffff5200019cfb2 R11: 1ffff9200019cfb1 R12: dffffc0000000000 [ 51.139741][ T418] R13: ffff88811ec89980 R14: 00000000fffffffc R15: 0000000000000000 [ 51.147725][ T418] FS: 000055555645f400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 51.156646][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.163267][ T418] CR2: 00007fce14dc5058 CR3: 00000001093c0000 CR4: 00000000003506b0 [ 51.171266][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.179244][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.187222][ T418] Call Trace: [ 51.190520][ T418] path_umount+0x1ad/0xed0 [ 51.194959][ T418] __x64_sys_umount+0xe8/0x110 [ 51.199721][ T418] do_syscall_64+0x34/0x70 [ 51.204159][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.210058][ T418] RIP: 0033:0x7f9ada61e557 [ 51.214489][ T418] 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 [ 51.235109][ T418] RSP: 002b:00007ffe7bfba128 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 51.243552][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ada61e557 [ 51.251550][ T418] RDX: 00007ffe7bfba1f9 RSI: 000000000000000a RDI: 00007ffe7bfba1f0 [ 51.259562][ T418] RBP: 00007ffe7bfba1f0 R08: 00000000ffffffff R09: 00007ffe7bfb9fc0 [ 51.267552][ T418] R10: 0000555556460ba3 R11: 0000000000000246 R12: 00007f9ada6761f8 [ 51.275742][ T418] R13: 00007ffe7bfbb2b0 R14: 0000555556460b00 R15: 00007ffe7bfbb2f0 [ 51.283734][ T418] ---[ end trace 3a08363c28c4e373 ]--- [ 51.295843][ C0] !!! css_killed_ref_fn css ffff88810f432800 !!! [ 51.302533][ T107] !!! css_release css ffff88810f432800 !!! [ 51.308383][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f432800 !!! [ 51.316144][ C0] !!! css_killed_ref_fn css ffff88810f430400 !!! [ 51.322575][ T107] !!! css_release css ffff88810f430400 !!! [ 51.328471][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f430400 !!! [ 51.336373][ C0] !!! css_killed_ref_fn css ffff88810f431c00 !!! [ 51.343088][ T107] !!! css_release css ffff88810f431c00 !!! [ 51.349229][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f431c00 !!! [ 51.356888][ T562] !!! css_create !!! [ 51.360859][ T562] !!! css_create !!! [ 51.364871][ T562] !!! css_create !!! [ 51.368820][ T562] FAULT_INJECTION: forcing a failure. [ 51.368820][ T562] name failslab, interval 1, probability 0, space 0, times 0 [ 51.381823][ T562] CPU: 0 PID: 562 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 51.393370][ T562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.403673][ T562] Call Trace: [ 51.406943][ T562] dump_stack+0x19c/0x1e2 [ 51.411251][ T562] should_fail+0x3f7/0x5b0 [ 51.416002][ T562] __should_failslab+0xd2/0x130 [ 51.421142][ T562] should_failslab+0x9/0x20 [ 51.425992][ T562] slab_pre_alloc_hook+0x25/0xe0 [ 51.431012][ T562] ? __kernfs_new_node+0x4c/0x6d0 [ 51.436114][ T562] __kmalloc_track_caller+0x70/0x300 [ 51.441744][ T562] ? __kernfs_new_node+0x4c/0x6d0 [ 51.446912][ T562] kstrdup_const+0x55/0x90 [ 51.451484][ T562] __kernfs_new_node+0x4c/0x6d0 [ 51.456319][ T562] ? string+0x29f/0x2b0 [ 51.460454][ T562] ? vsnprintf+0x1a6c/0x1b30 [ 51.465112][ T562] kernfs_new_node+0x97/0x170 [ 51.470041][ T562] __kernfs_create_file+0x4a/0x270 [ 51.475297][ T562] cgroup_addrm_files+0x99e/0xeb0 [ 51.480377][ T562] ? delete_node+0x747/0x7a0 [ 51.485141][ T562] css_populate_dir+0x137/0x370 [ 51.490095][ T562] cgroup_apply_control_enable+0x31e/0xfc0 [ 51.495905][ T562] cgroup_apply_control+0x36/0x710 [ 51.501424][ T562] ? init_wait_entry+0xe0/0xe0 [ 51.506170][ T562] ? cgroup_kn_lock_live+0x1af/0x370 [ 51.512225][ T562] cgroup_subtree_control_write+0xd05/0x12d0 [ 51.518582][ T562] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 51.525061][ T562] cgroup_file_write+0x22f/0x4f0 [ 51.531019][ T562] kernfs_fop_write_iter+0x2cd/0x410 [ 51.536770][ T562] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.542210][ T562] vfs_write+0xb57/0xe50 [ 51.546793][ T562] ksys_write+0x157/0x260 [ 51.551184][ T562] __x64_sys_write+0x7b/0x90 [ 51.555760][ T562] do_syscall_64+0x34/0x70 [ 51.560162][ T562] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.566292][ T562] RIP: 0033:0x7f9ada61d0e9 [ 51.570682][ 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 [ 51.592340][ T562] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.601630][ T562] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 51.610130][ T562] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.618256][ T562] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.626364][ T562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.635139][ T562] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 51.643511][ T562] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.652349][ T562] !!! cgroup_apply_control_disable [ 51.657587][ T562] !!! cgroup_apply_control_disable kill_css ffff88810f396800 [ 51.665055][ T562] !!! cgroup_apply_control_disable kill_css ffff88810fa4e000 [ 51.673125][ T562] !!! cgroup_apply_control_disable kill_css ffff88810fa4e400 [ 51.701167][ C1] !!! css_killed_ref_fn css ffff88810f396800 !!! [ 51.709363][ T19] !!! css_release css ffff88810f396800 !!! [ 51.715594][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810f396800 !!! [ 51.723390][ C1] !!! css_killed_ref_fn css ffff88810fa4e000 !!! [ 51.723403][ C1] !!! css_killed_ref_fn css ffff88810fa4e400 !!! [ 51.736788][ T19] !!! css_release css ffff88810fa4e000 !!! [ 51.742648][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810fa4e000 !!! [ 51.751228][ T19] !!! css_release css ffff88810fa4e400 !!! [ 51.757277][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810fa4e400 !!! [ 51.765274][ T550] !!! css_create !!! [ 51.769627][ T550] !!! css_create !!! [ 51.774445][ T550] !!! css_create !!! [ 51.778459][ T550] FAULT_INJECTION: forcing a failure. [ 51.778459][ T550] name failslab, interval 1, probability 0, space 0, times 0 [ 51.792301][ T550] CPU: 0 PID: 550 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 51.803910][ T550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.815094][ T550] Call Trace: [ 51.818464][ T550] dump_stack+0x19c/0x1e2 [ 51.822890][ T550] should_fail+0x3f7/0x5b0 [ 51.827355][ T550] __should_failslab+0xd2/0x130 [ 51.832304][ T550] should_failslab+0x9/0x20 [ 51.836879][ T550] slab_pre_alloc_hook+0x25/0xe0 [ 51.842080][ T550] ? __kernfs_new_node+0x4c/0x6d0 [ 51.847095][ T550] __kmalloc_track_caller+0x70/0x300 [ 51.852453][ T550] ? __kernfs_new_node+0x4c/0x6d0 [ 51.857454][ T550] kstrdup_const+0x55/0x90 [ 51.862112][ T550] __kernfs_new_node+0x4c/0x6d0 [ 51.866952][ T550] ? string+0x29f/0x2b0 [ 51.871098][ T550] ? vsnprintf+0x1a6c/0x1b30 [ 51.875681][ T550] kernfs_new_node+0x97/0x170 [ 51.880472][ T550] __kernfs_create_file+0x4a/0x270 [ 51.885672][ T550] cgroup_addrm_files+0x99e/0xeb0 [ 51.891078][ T550] ? delete_node+0x747/0x7a0 [ 51.896050][ T550] css_populate_dir+0x137/0x370 [ 51.900919][ T550] cgroup_apply_control_enable+0x31e/0xfc0 [ 51.907025][ T550] cgroup_apply_control+0x36/0x710 [ 51.912205][ T550] ? init_wait_entry+0xe0/0xe0 [ 51.917079][ T550] ? cgroup_kn_lock_live+0x1af/0x370 [ 51.922709][ T550] cgroup_subtree_control_write+0xd05/0x12d0 [ 51.928703][ T550] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 51.935023][ T550] cgroup_file_write+0x22f/0x4f0 [ 51.939955][ T550] kernfs_fop_write_iter+0x2cd/0x410 [ 51.945233][ T550] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.950337][ T550] vfs_write+0xb57/0xe50 [ 51.954564][ T550] ksys_write+0x157/0x260 [ 51.959038][ T550] __x64_sys_write+0x7b/0x90 [ 51.963602][ T550] do_syscall_64+0x34/0x70 [ 51.967992][ T550] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.973940][ T550] RIP: 0033:0x7fe496c3a0e9 [ 51.978326][ T550] 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 [ 51.998707][ T550] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.007457][ T550] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 52.015504][ T550] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.023872][ T550] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.032351][ T550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.040337][ T550] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 52.048586][ T550] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.055739][ T550] !!! cgroup_apply_control_disable [ 52.060843][ T550] !!! cgroup_apply_control_disable kill_css ffff88810f81a400 2022/05/31 18:32:54 executed programs: 40 [ 52.068374][ T550] !!! cgroup_apply_control_disable kill_css ffff88810fb20400 [ 52.075984][ T550] !!! cgroup_apply_control_disable kill_css ffff88810fb21c00 [ 52.086216][ T425] ------------[ cut here ]------------ [ 52.091800][ T425] WARNING: CPU: 1 PID: 425 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 52.100728][ T425] Modules linked in: [ 52.101140][ C0] !!! css_killed_ref_fn css ffff88810f81a400 !!! [ 52.104749][ T425] CPU: 1 PID: 425 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 52.111085][ T5] !!! css_release css ffff88810f81a400 !!! [ 52.122661][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.122674][ T425] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 52.122684][ T425] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 52.122690][ T425] RSP: 0018:ffffc90000d77dd0 EFLAGS: 00010293 [ 52.128960][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810f81a400 !!! [ 52.138922][ T425] RAX: ffffffff81af040c RBX: ffff88811ec88fe0 RCX: ffff888108130000 [ 52.138930][ T425] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 52.138936][ T425] RBP: ffffc90000d77e40 R08: ffffffff81af0137 R09: fffff520001aefb2 [ 52.138952][ T425] R10: fffff520001aefb2 R11: 1ffff920001aefb1 R12: dffffc0000000000 [ 52.212496][ T425] R13: ffff88811ec88f00 R14: 00000000ffffffff R15: 0000000000000000 [ 52.220991][ T425] FS: 0000555556480400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 52.229955][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.236555][ T425] CR2: 0000555556489b38 CR3: 0000000102ad5000 CR4: 00000000003506a0 [ 52.244540][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.252546][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.260512][ T425] Call Trace: [ 52.263830][ T425] path_umount+0x1ad/0xed0 [ 52.269567][ T425] __x64_sys_umount+0xe8/0x110 [ 52.274338][ T425] do_syscall_64+0x34/0x70 [ 52.278746][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.284640][ T425] RIP: 0033:0x7fe496c3b557 [ 52.289043][ T425] 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 [ 52.309452][ T425] RSP: 002b:00007fff13b778e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 52.317899][ T425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe496c3b557 [ 52.325881][ T425] RDX: 00007fff13b779b9 RSI: 000000000000000a RDI: 00007fff13b779b0 [ 52.333866][ T425] RBP: 00007fff13b779b0 R08: 00000000ffffffff R09: 00007fff13b77780 [ 52.341846][ T425] R10: 0000555556481ba3 R11: 0000000000000246 R12: 00007fe496c931f8 [ 52.349816][ T425] R13: 00007fff13b78a70 R14: 0000555556481b00 R15: 00007fff13b78ab0 [ 52.357796][ T425] ---[ end trace 3a08363c28c4e374 ]--- [ 52.381180][ C0] !!! css_killed_ref_fn css ffff88810fb20400 !!! [ 52.387561][ C0] !!! css_killed_ref_fn css ffff88810fb21c00 !!! [ 52.394355][ T5] !!! css_release css ffff88810fb20400 !!! [ 52.400152][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fb20400 !!! [ 52.407947][ T5] !!! css_release css ffff88810fb21c00 !!! [ 52.414403][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fb21c00 !!! [ 52.422205][ T568] !!! css_create !!! [ 52.426148][ T568] !!! css_create !!! [ 52.430052][ T568] !!! css_create !!! [ 52.434147][ T568] FAULT_INJECTION: forcing a failure. [ 52.434147][ T568] name failslab, interval 1, probability 0, space 0, times 0 [ 52.446956][ T568] CPU: 0 PID: 568 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 52.458474][ T568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.468596][ T568] Call Trace: [ 52.471871][ T568] dump_stack+0x19c/0x1e2 [ 52.476184][ T568] should_fail+0x3f7/0x5b0 [ 52.480578][ T568] __should_failslab+0xd2/0x130 [ 52.485404][ T568] should_failslab+0x9/0x20 [ 52.489880][ T568] slab_pre_alloc_hook+0x25/0xe0 [ 52.494791][ T568] kmem_cache_alloc_trace+0x47/0x2b0 [ 52.500052][ T568] ? percpu_ref_init+0xd0/0x330 [ 52.504896][ T568] percpu_ref_init+0xd0/0x330 [ 52.509566][ T568] ? cgroup_setup_root+0x8a0/0x8a0 [ 52.514664][ T568] cgroup_apply_control_enable+0x49f/0xfc0 [ 52.520457][ T568] cgroup_apply_control+0x36/0x710 [ 52.525562][ T568] ? init_wait_entry+0xe0/0xe0 [ 52.530315][ T568] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.535588][ T568] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.541549][ T568] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.547572][ T568] cgroup_file_write+0x22f/0x4f0 [ 52.552502][ T568] kernfs_fop_write_iter+0x2cd/0x410 [ 52.557766][ T568] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.562850][ T568] vfs_write+0xb57/0xe50 [ 52.567076][ T568] ksys_write+0x157/0x260 [ 52.571387][ T568] __x64_sys_write+0x7b/0x90 [ 52.575960][ T568] do_syscall_64+0x34/0x70 [ 52.580362][ T568] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.586227][ T568] RIP: 0033:0x7fe496c3a0e9 [ 52.590617][ 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 [ 52.610209][ T568] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.618608][ T568] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 52.626577][ T568] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.634615][ T568] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.642563][ T568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.650514][ T568] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 52.658755][ T568] !!! cgroup_apply_control_disable [ 52.663996][ T568] !!! cgroup_apply_control_disable kill_css ffff88810f9de400 [ 52.671600][ T568] !!! cgroup_apply_control_disable kill_css ffff88810f9dd400 [ 52.736188][ C0] !!! css_killed_ref_fn css ffff88810f9de400 !!! [ 52.742553][ C0] !!! css_killed_ref_fn css ffff88810f9dd400 !!! [ 52.748910][ T5] !!! css_release css ffff88810f9de400 !!! [ 52.754861][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810f9de400 !!! [ 52.762511][ T5] !!! css_release css ffff88810f9dd400 !!! [ 52.768300][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810f9dd400 !!! [ 52.775864][ T561] !!! css_create !!! [ 52.780120][ T561] !!! css_create !!! [ 52.784147][ T561] !!! css_create !!! [ 52.788058][ T561] FAULT_INJECTION: forcing a failure. [ 52.788058][ T561] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 52.801980][ T561] CPU: 1 PID: 561 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 52.813515][ T561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.823554][ T561] Call Trace: [ 52.826845][ T561] dump_stack+0x19c/0x1e2 [ 52.831171][ T561] should_fail+0x3f7/0x5b0 [ 52.835770][ T561] should_fail_alloc_page+0xa9/0xd0 [ 52.840942][ T561] __alloc_pages_nodemask+0x121/0x740 [ 52.846297][ T561] ? __kasan_check_read+0x11/0x20 [ 52.851314][ T561] ? preempt_schedule_common+0xcb/0x100 [ 52.856848][ T561] allocate_slab+0x72/0x580 [ 52.861343][ T561] ___slab_alloc+0x131/0x2e0 [ 52.865905][ T561] ? pids_css_alloc+0x4e/0x120 [ 52.870656][ T561] __slab_alloc+0x63/0xa0 [ 52.875086][ T561] ? pids_css_alloc+0x4e/0x120 [ 52.879840][ T561] kmem_cache_alloc_trace+0xe5/0x2b0 [ 52.885098][ T561] ? pids_css_alloc+0x4e/0x120 [ 52.889833][ T561] pids_css_alloc+0x4e/0x120 [ 52.894418][ T561] cgroup_apply_control_enable+0x44e/0xfc0 [ 52.900202][ T561] cgroup_apply_control+0x36/0x710 [ 52.905287][ T561] ? init_wait_entry+0xe0/0xe0 [ 52.910022][ T561] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.915287][ T561] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.921239][ T561] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.927190][ T561] cgroup_file_write+0x22f/0x4f0 [ 52.932100][ T561] kernfs_fop_write_iter+0x2cd/0x410 [ 52.937385][ T561] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.942479][ T561] vfs_write+0xb57/0xe50 [ 52.946705][ T561] ksys_write+0x157/0x260 [ 52.951027][ T561] __x64_sys_write+0x7b/0x90 [ 52.955619][ T561] do_syscall_64+0x34/0x70 [ 52.960020][ T561] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.965930][ T561] RIP: 0033:0x7fce14ce20e9 [ 52.970390][ T561] 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 [ 52.989983][ T561] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.998486][ T561] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 53.006436][ T561] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.014388][ T561] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.022404][ T561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.030355][ T561] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 53.039318][ T561] !!! css_create !!! [ 53.043363][ T561] !!! css_create !!! [ 53.047332][ T561] !!! css_create !!! [ 53.052236][ T561] !!! cgroup_apply_control_disable [ 53.057437][ T570] !!! cgroup_apply_control_disable [ 53.062771][ T570] !!! cgroup_apply_control_disable kill_css ffff88810dadc800 [ 53.070177][ T570] !!! cgroup_apply_control_disable kill_css ffff88810dadd800 [ 53.078887][ T570] !!! cgroup_apply_control_disable kill_css ffff88811ec5a800 [ 53.086577][ T570] !!! cgroup_apply_control_disable kill_css ffff88811ec5a400 [ 53.093963][ C1] !!! css_killed_ref_fn css ffff88810dadc800 !!! [ 53.100321][ T570] !!! cgroup_apply_control_disable kill_css ffff88811ec5ac00 [ 53.107693][ C1] !!! css_killed_ref_fn css ffff88810dadd800 !!! [ 53.114084][ T570] !!! cgroup_apply_control_disable kill_css ffff88810fbf5800 [ 53.121623][ C1] !!! css_killed_ref_fn css ffff88811ec5a800 !!! [ 53.127980][ T445] !!! css_release css ffff88810dadc800 !!! [ 53.133839][ C1] !!! css_killed_ref_fn css ffff88811ec5a400 !!! [ 53.133853][ C1] !!! css_killed_ref_fn css ffff88811ec5ac00 !!! [ 53.146604][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810dadc800 !!! [ 53.154138][ T445] !!! css_release css ffff88810dadd800 !!! [ 53.159952][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810dadd800 !!! [ 53.167433][ C1] !!! css_killed_ref_fn css ffff88810fbf5800 !!! [ 53.173915][ T445] !!! css_release css ffff88811ec5a800 !!! [ 53.179708][ T445] !!! css_put is zero set CSS_NO_REF css ffff88811ec5a800 !!! [ 53.187252][ T445] !!! css_release css ffff88811ec5a400 !!! [ 53.193097][ T445] !!! css_put is zero set CSS_NO_REF css ffff88811ec5a400 !!! [ 53.200738][ T445] !!! css_release css ffff88811ec5ac00 !!! [ 53.206604][ T445] !!! css_put is zero set CSS_NO_REF css ffff88811ec5ac00 !!! [ 53.214207][ T445] !!! css_release css ffff88810fbf5800 !!! [ 53.220029][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810fbf5800 !!! [ 53.227638][ T571] !!! css_create !!! [ 53.231589][ T571] !!! css_create !!! [ 53.235481][ T571] !!! css_create !!! [ 53.239361][ T571] FAULT_INJECTION: forcing a failure. [ 53.239361][ T571] name failslab, interval 1, probability 0, space 0, times 0 [ 53.252045][ T571] CPU: 0 PID: 571 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 53.263561][ T571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.273588][ T571] Call Trace: [ 53.276849][ T571] dump_stack+0x19c/0x1e2 [ 53.281151][ T571] should_fail+0x3f7/0x5b0 [ 53.285539][ T571] __should_failslab+0xd2/0x130 [ 53.290361][ T571] should_failslab+0x9/0x20 [ 53.294836][ T571] slab_pre_alloc_hook+0x25/0xe0 [ 53.299746][ T571] ? __kernfs_new_node+0x4c/0x6d0 [ 53.304742][ T571] __kmalloc_track_caller+0x70/0x300 [ 53.310001][ T571] ? __kernfs_new_node+0x4c/0x6d0 [ 53.314994][ T571] kstrdup_const+0x55/0x90 [ 53.319377][ T571] __kernfs_new_node+0x4c/0x6d0 [ 53.324195][ T571] ? string+0x29f/0x2b0 [ 53.328318][ T571] ? vsnprintf+0x1a6c/0x1b30 [ 53.332876][ T571] kernfs_new_node+0x97/0x170 [ 53.337524][ T571] __kernfs_create_file+0x4a/0x270 [ 53.342607][ T571] cgroup_addrm_files+0x99e/0xeb0 [ 53.347626][ T571] ? delete_node+0x747/0x7a0 [ 53.352211][ T571] css_populate_dir+0x137/0x370 [ 53.357048][ T571] cgroup_apply_control_enable+0x31e/0xfc0 [ 53.362835][ T571] cgroup_apply_control+0x36/0x710 [ 53.367933][ T571] ? init_wait_entry+0xe0/0xe0 [ 53.372686][ T571] ? cgroup_kn_lock_live+0x1af/0x370 [ 53.377948][ T571] cgroup_subtree_control_write+0xd05/0x12d0 [ 53.383901][ T571] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 53.389869][ T571] cgroup_file_write+0x22f/0x4f0 [ 53.394789][ T571] kernfs_fop_write_iter+0x2cd/0x410 [ 53.400047][ T571] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.405131][ T571] vfs_write+0xb57/0xe50 [ 53.409344][ T571] ksys_write+0x157/0x260 [ 53.413643][ T571] __x64_sys_write+0x7b/0x90 [ 53.418205][ T571] do_syscall_64+0x34/0x70 [ 53.422688][ T571] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.428549][ T571] RIP: 0033:0x7fe496c3a0e9 [ 53.432938][ T571] 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 [ 53.452519][ T571] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.460914][ T571] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 53.468872][ T571] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.476832][ T571] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.484900][ T571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.492862][ T571] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 53.500883][ T571] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 53.508078][ T571] !!! cgroup_apply_control_disable [ 53.513318][ T571] !!! cgroup_apply_control_disable kill_css ffff88810dce2c00 [ 53.520834][ T571] !!! cgroup_apply_control_disable kill_css ffff88810dc57800 [ 53.528337][ T571] !!! cgroup_apply_control_disable kill_css ffff88810dc54c00 [ 53.537314][ T425] ------------[ cut here ]------------ [ 53.542847][ T425] WARNING: CPU: 0 PID: 425 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 53.551775][ T425] Modules linked in: [ 53.555650][ T425] CPU: 0 PID: 425 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 53.567171][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.577228][ T425] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 53.582853][ T425] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 53.602474][ T425] RSP: 0018:ffffc90000d77d58 EFLAGS: 00010293 [ 53.608522][ T425] RAX: ffffffff81af040c RBX: ffff88811ec898e0 RCX: ffff888108130000 [ 53.616514][ T425] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 53.624494][ T425] RBP: ffffc90000d77dc8 R08: ffffffff81af0137 R09: fffff520001aefa3 [ 53.632464][ T425] R10: fffff520001aefa3 R11: 1ffff920001aefa2 R12: dffffc0000000000 [ 53.640428][ T425] R13: ffff88811ec89800 R14: 00000000ffffffff R15: 0000000000000000 [ 53.648401][ T425] FS: 0000555556480400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 53.657329][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.663915][ T425] CR2: 0000555556489b38 CR3: 0000000102ad5000 CR4: 00000000003506b0 [ 53.671886][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.679833][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.687790][ T425] Call Trace: [ 53.691063][ T425] ? init_wait_entry+0xe0/0xe0 [ 53.696041][ T425] ? up_write+0x68/0x140 [ 53.700266][ T425] namespace_unlock+0x377/0x420 [ 53.705124][ T425] path_umount+0xe23/0xed0 [ 53.709522][ T425] __x64_sys_umount+0xe8/0x110 [ 53.714286][ T425] do_syscall_64+0x34/0x70 [ 53.718684][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.724704][ T425] RIP: 0033:0x7fe496c3b557 [ 53.729114][ T425] 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 [ 53.748727][ T425] RSP: 002b:00007fff13b778e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 53.757168][ T425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe496c3b557 [ 53.765172][ T425] RDX: 00007fff13b779b9 RSI: 000000000000000a RDI: 00007fff13b779b0 [ 53.773150][ T425] RBP: 00007fff13b779b0 R08: 00000000ffffffff R09: 00007fff13b77780 [ 53.781141][ T425] R10: 0000555556481ba3 R11: 0000000000000246 R12: 00007fe496c931f8 [ 53.789101][ T425] R13: 00007fff13b78a70 R14: 0000555556481b00 R15: 00007fff13b78ab0 [ 53.797063][ T425] ---[ end trace 3a08363c28c4e375 ]--- [ 53.802851][ T425] ------------[ cut here ]------------ [ 53.808308][ T425] WARNING: CPU: 0 PID: 425 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 53.817246][ T425] Modules linked in: [ 53.821147][ C0] !!! css_killed_ref_fn css ffff88810dce2c00 !!! [ 53.821167][ C0] !!! css_killed_ref_fn css ffff88810dc57800 !!! [ 53.821174][ C0] !!! css_killed_ref_fn css ffff88810dc54c00 !!! [ 53.840118][ T425] CPU: 0 PID: 425 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 53.851654][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.861712][ T425] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 53.867325][ T425] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 53.886945][ T425] RSP: 0018:ffffc90000d77dd0 EFLAGS: 00010293 [ 53.893029][ T425] RAX: ffffffff81af040c RBX: ffff88811ec898e0 RCX: ffff888108130000 [ 53.900983][ T425] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 53.908984][ T425] RBP: ffffc90000d77e40 R08: ffffffff81af0137 R09: fffff520001aefb2 [ 53.916985][ T425] R10: fffff520001aefb2 R11: 1ffff920001aefb1 R12: dffffc0000000000 [ 53.924971][ T425] R13: ffff88811ec89800 R14: 00000000fffffffe R15: 0000000000000000 [ 53.932946][ T425] FS: 0000555556480400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 53.941864][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.948436][ T425] CR2: 0000555556489b38 CR3: 0000000102ad5000 CR4: 00000000003506b0 [ 53.956416][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.964409][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.972496][ T425] Call Trace: [ 53.975780][ T425] path_umount+0x1ad/0xed0 [ 53.980170][ T425] __x64_sys_umount+0xe8/0x110 [ 53.984931][ T425] do_syscall_64+0x34/0x70 [ 53.989336][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.995261][ T425] RIP: 0033:0x7fe496c3b557 [ 53.999675][ T425] 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 [ 54.019286][ T425] RSP: 002b:00007fff13b778e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 54.027817][ T425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe496c3b557 [ 54.035781][ T425] RDX: 00007fff13b779b9 RSI: 000000000000000a RDI: 00007fff13b779b0 [ 54.043751][ T425] RBP: 00007fff13b779b0 R08: 00000000ffffffff R09: 00007fff13b77780 [ 54.051811][ T425] R10: 0000555556481ba3 R11: 0000000000000246 R12: 00007fe496c931f8 [ 54.059930][ T425] R13: 00007fff13b78a70 R14: 0000555556481b00 R15: 00007fff13b78ab0 [ 54.067930][ T425] ---[ end trace 3a08363c28c4e376 ]--- [ 54.073451][ T5] !!! css_release css ffff88810dce2c00 !!! [ 54.079265][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810dce2c00 !!! [ 54.086969][ T5] !!! css_release css ffff88810dc57800 !!! [ 54.092861][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810dc57800 !!! [ 54.100469][ T565] !!! css_create !!! [ 54.104612][ T565] !!! css_create !!! [ 54.108546][ T565] !!! css_create !!! [ 54.112532][ T565] FAULT_INJECTION: forcing a failure. [ 54.112532][ T565] name failslab, interval 1, probability 0, space 0, times 0 [ 54.125135][ T565] CPU: 0 PID: 565 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 54.136672][ T565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.146710][ T565] Call Trace: [ 54.149977][ T565] dump_stack+0x19c/0x1e2 [ 54.154282][ T565] should_fail+0x3f7/0x5b0 [ 54.158669][ T565] __should_failslab+0xd2/0x130 [ 54.164859][ T565] should_failslab+0x9/0x20 [ 54.169340][ T565] slab_pre_alloc_hook+0x25/0xe0 [ 54.174256][ T565] ? __kernfs_new_node+0x4c/0x6d0 [ 54.179541][ T565] __kmalloc_track_caller+0x70/0x300 [ 54.184857][ T565] ? __kernfs_new_node+0x4c/0x6d0 [ 54.189881][ T565] kstrdup_const+0x55/0x90 [ 54.194271][ T565] __kernfs_new_node+0x4c/0x6d0 [ 54.199100][ T565] ? string+0x29f/0x2b0 [ 54.203234][ T565] ? vsnprintf+0x1a6c/0x1b30 [ 54.207799][ T565] kernfs_new_node+0x97/0x170 [ 54.212461][ T565] __kernfs_create_file+0x4a/0x270 [ 54.217556][ T565] cgroup_addrm_files+0x99e/0xeb0 [ 54.222558][ T565] ? delete_node+0x747/0x7a0 [ 54.227121][ T565] css_populate_dir+0x137/0x370 [ 54.231944][ T565] cgroup_apply_control_enable+0x31e/0xfc0 [ 54.237733][ T565] cgroup_apply_control+0x36/0x710 [ 54.242825][ T565] ? init_wait_entry+0xe0/0xe0 [ 54.247560][ T565] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.252816][ T565] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.258769][ T565] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.264718][ T565] cgroup_file_write+0x22f/0x4f0 [ 54.269627][ T565] kernfs_fop_write_iter+0x2cd/0x410 [ 54.274895][ T565] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.279994][ T565] vfs_write+0xb57/0xe50 [ 54.284206][ T565] ksys_write+0x157/0x260 [ 54.288513][ T565] __x64_sys_write+0x7b/0x90 [ 54.293073][ T565] do_syscall_64+0x34/0x70 [ 54.297468][ T565] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.303332][ T565] RIP: 0033:0x7f9ada61d0e9 [ 54.307726][ 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 [ 54.327854][ T565] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.336259][ T565] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 54.344214][ T565] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.352160][ T565] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.360116][ T565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.368066][ T565] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 54.376633][ T565] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.383753][ T565] !!! cgroup_apply_control_disable [ 54.388847][ T565] !!! cgroup_apply_control_disable kill_css ffff88810feed400 [ 54.396249][ T565] !!! cgroup_apply_control_disable kill_css ffff88810feee000 [ 54.403803][ T565] !!! cgroup_apply_control_disable kill_css ffff88810fcd2400 [ 54.431135][ C0] !!! css_killed_ref_fn css ffff88810feed400 !!! [ 54.437568][ T5] !!! css_release css ffff88810feed400 !!! [ 54.443397][ C0] !!! css_killed_ref_fn css ffff88810feee000 !!! [ 54.443408][ C0] !!! css_killed_ref_fn css ffff88810fcd2400 !!! [ 54.456140][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810feed400 !!! [ 54.463606][ T5] !!! css_release css ffff88810feee000 !!! [ 54.469392][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810feee000 !!! [ 54.477040][ T5] !!! css_release css ffff88810fcd2400 !!! [ 54.482937][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fcd2400 !!! [ 54.490698][ T556] !!! css_create !!! [ 54.494996][ T556] !!! css_create !!! [ 54.498948][ T556] !!! css_create !!! [ 54.502892][ T556] FAULT_INJECTION: forcing a failure. [ 54.502892][ T556] name failslab, interval 1, probability 0, space 0, times 0 [ 54.515517][ T556] CPU: 1 PID: 556 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 54.527048][ T556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.537086][ T556] Call Trace: [ 54.540368][ T556] dump_stack+0x19c/0x1e2 [ 54.544685][ T556] should_fail+0x3f7/0x5b0 [ 54.549091][ T556] __should_failslab+0xd2/0x130 [ 54.554131][ T556] should_failslab+0x9/0x20 [ 54.558619][ T556] slab_pre_alloc_hook+0x25/0xe0 [ 54.563549][ T556] kmem_cache_alloc_trace+0x47/0x2b0 [ 54.568828][ T556] ? pids_css_alloc+0x4e/0x120 [ 54.573678][ T556] pids_css_alloc+0x4e/0x120 [ 54.578250][ T556] cgroup_apply_control_enable+0x44e/0xfc0 [ 54.584039][ T556] cgroup_apply_control+0x36/0x710 [ 54.589267][ T556] ? init_wait_entry+0xe0/0xe0 [ 54.594123][ T556] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.599390][ T556] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.605344][ T556] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.611300][ T556] cgroup_file_write+0x22f/0x4f0 [ 54.616292][ T556] kernfs_fop_write_iter+0x2cd/0x410 [ 54.621566][ T556] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.626677][ T556] vfs_write+0xb57/0xe50 [ 54.630915][ T556] ksys_write+0x157/0x260 [ 54.635219][ T556] __x64_sys_write+0x7b/0x90 [ 54.639796][ T556] do_syscall_64+0x34/0x70 [ 54.644188][ T556] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.650048][ T556] RIP: 0033:0x7f6f953440e9 [ 54.654453][ T556] 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 [ 54.674045][ T556] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.682464][ T556] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 54.690411][ T556] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.698442][ T556] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.706388][ T556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.714331][ T556] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 54.722759][ T556] !!! cgroup_apply_control_disable [ 54.728126][ T556] !!! cgroup_apply_control_disable kill_css ffff888110081400 [ 54.735705][ T556] !!! cgroup_apply_control_disable kill_css ffff888110082000 [ 54.744341][ T424] ------------[ cut here ]------------ [ 54.749816][ T424] WARNING: CPU: 0 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 54.758745][ T424] Modules linked in: [ 54.762639][ T424] CPU: 0 PID: 424 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 54.774173][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.784235][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 54.789853][ T424] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 54.809499][ T424] RSP: 0018:ffffc90000d67dd0 EFLAGS: 00010293 [ 54.815616][ T424] RAX: ffffffff81af040c RBX: ffff88810cf2cfe0 RCX: ffff888108136ac0 [ 54.823590][ T424] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 54.831581][ T424] RBP: ffffc90000d67e40 R08: ffffffff81af0137 R09: fffff520001acfb2 [ 54.839530][ T424] R10: fffff520001acfb2 R11: 1ffff920001acfb1 R12: dffffc0000000000 [ 54.847503][ T424] R13: ffff88810cf2cf00 R14: 00000000ffffffff R15: 0000000000000000 [ 54.855473][ T424] FS: 000055555565d400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 54.864404][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.870976][ T424] CR2: 00007ffc80b38ff8 CR3: 00000001029ff000 CR4: 00000000003506b0 [ 54.878956][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.886929][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.894898][ T424] Call Trace: [ 54.898180][ T424] path_umount+0x1ad/0xed0 [ 54.902736][ T424] __x64_sys_umount+0xe8/0x110 [ 54.907643][ T424] do_syscall_64+0x34/0x70 [ 54.912198][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.918112][ T424] RIP: 0033:0x7f6f95345557 [ 54.922541][ T424] 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 [ 54.942258][ T424] RSP: 002b:00007ffc80b39298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 54.950657][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f95345557 [ 54.958629][ T424] RDX: 00007ffc80b39369 RSI: 000000000000000a RDI: 00007ffc80b39360 [ 54.966617][ T424] RBP: 00007ffc80b39360 R08: 00000000ffffffff R09: 00007ffc80b39130 [ 54.974637][ T424] R10: 000055555565eba3 R11: 0000000000000246 R12: 00007f6f9539d1f8 [ 54.982842][ T424] R13: 00007ffc80b3a420 R14: 000055555565eb00 R15: 00007ffc80b3a460 [ 54.990917][ T424] ---[ end trace 3a08363c28c4e377 ]--- [ 54.996585][ T424] ------------[ cut here ]------------ [ 55.002294][ T424] WARNING: CPU: 0 PID: 424 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 55.010862][ T424] Modules linked in: [ 55.014789][ C0] !!! css_killed_ref_fn css ffff888110081400 !!! [ 55.021325][ T107] !!! css_release css ffff888110081400 !!! [ 55.021442][ T424] CPU: 1 PID: 424 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 55.027279][ T107] !!! css_put is zero set CSS_NO_REF css ffff888110081400 !!! [ 55.039591][ C0] !!! css_killed_ref_fn css ffff888110082000 !!! [ 55.039877][ T107] !!! css_release css ffff888110082000 !!! [ 55.047497][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.047518][ T424] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 55.053868][ T107] !!! css_put is zero set CSS_NO_REF css ffff888110082000 !!! [ 55.053990][ T574] !!! css_create !!! [ 55.059842][ T424] Code: c9 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 6e 01 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 5b 01 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 ea 1f 86 80 e1 07 80 c1 03 38 c1 [ 55.069952][ T574] !!! css_create !!! [ 55.075118][ T424] RSP: 0018:ffffc90000d67e30 EFLAGS: 00010293 [ 55.082585][ T574] !!! css_create !!! [ 55.086481][ T424] [ 55.106238][ T574] FAULT_INJECTION: forcing a failure. [ 55.106238][ T574] name failslab, interval 1, probability 0, space 0, times 0 [ 55.110243][ T424] RAX: ffffffff81b00ed5 RBX: ffffe8ffffd4701c RCX: ffff888108136ac0 [ 55.116525][ T574] CPU: 0 PID: 574 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 55.120369][ T424] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 55.122549][ T574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.122553][ T574] Call Trace: [ 55.122567][ T574] dump_stack+0x19c/0x1e2 [ 55.122578][ T574] should_fail+0x3f7/0x5b0 [ 55.122593][ T574] __should_failslab+0xd2/0x130 [ 55.136440][ T424] RBP: ffffc90000d67e80 R08: ffffffff81b00bb3 R09: fffff520001acfcd [ 55.143467][ T574] should_failslab+0x9/0x20 [ 55.143476][ T574] slab_pre_alloc_hook+0x25/0xe0 [ 55.143484][ T574] kmem_cache_alloc_trace+0x47/0x2b0 [ 55.143493][ T574] ? percpu_ref_init+0xd0/0x330 [ 55.143502][ T574] percpu_ref_init+0xd0/0x330 [ 55.143510][ T574] ? cgroup_setup_root+0x8a0/0x8a0 [ 55.143518][ T574] cgroup_apply_control_enable+0x49f/0xfc0 [ 55.143534][ T574] cgroup_apply_control+0x36/0x710 [ 55.155250][ T424] R10: fffff520001acfcd R11: 1ffff920001acfcc R12: ffff88810cf2cf48 [ 55.163004][ T574] ? init_wait_entry+0xe0/0xe0 [ 55.163014][ T574] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.163024][ T574] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.163038][ T574] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.173098][ T424] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 55.176348][ T574] cgroup_file_write+0x22f/0x4f0 [ 55.176356][ T574] kernfs_fop_write_iter+0x2cd/0x410 [ 55.176369][ T574] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.180696][ T424] FS: 000055555565d400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 55.185054][ T574] vfs_write+0xb57/0xe50 [ 55.185064][ T574] ksys_write+0x157/0x260 [ 55.185077][ T574] __x64_sys_write+0x7b/0x90 [ 55.189996][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.197905][ T574] do_syscall_64+0x34/0x70 [ 55.197918][ T574] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.197926][ T574] RIP: 0033:0x7fce14ce20e9 [ 55.197936][ T574] 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 [ 55.197942][ T574] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.197954][ T574] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 55.197970][ T574] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.202589][ T424] CR2: 00007f9ada571ff8 CR3: 00000001029ff000 CR4: 00000000003506a0 [ 55.207394][ T574] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.207401][ T574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.207407][ T574] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 55.207743][ T574] !!! cgroup_apply_control_disable [ 55.213073][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.217805][ T574] !!! cgroup_apply_control_disable kill_css ffff88810ffd9c00 [ 55.222501][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.227578][ T574] !!! cgroup_apply_control_disable kill_css ffff88810ffd8c00 [ 55.233530][ T424] Call Trace: [ 55.251125][ C0] !!! css_killed_ref_fn css ffff88810ffd9c00 !!! [ 55.256528][ T424] __cleanup_mnt+0x19/0x20 [ 55.262610][ T5] !!! css_release css ffff88810ffd9c00 !!! [ 55.268624][ T424] task_work_run+0x147/0x1b0 [ 55.281016][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810ffd9c00 !!! [ 55.281638][ C0] !!! css_killed_ref_fn css ffff88810ffd8c00 !!! [ 55.283188][ T424] exit_to_user_mode_loop+0xc8/0xe0 [ 55.287466][ T5] !!! css_release css ffff88810ffd8c00 !!! [ 55.292137][ T424] syscall_exit_to_user_mode+0x77/0xa0 [ 55.301122][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810ffd8c00 !!! [ 55.305308][ T424] do_syscall_64+0x40/0x70 [ 55.309723][ T553] !!! css_create !!! [ 55.314192][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.321191][ T553] !!! css_create !!! [ 55.325653][ T424] RIP: 0033:0x7f6f95345557 [ 55.331778][ T553] !!! css_create !!! [ 55.335826][ T424] 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 [ 55.356464][ T553] FAULT_INJECTION: forcing a failure. [ 55.356464][ T553] name failslab, interval 1, probability 0, space 0, times 0 [ 55.364766][ T424] RSP: 002b:00007ffc80b39298 EFLAGS: 00000246 [ 55.373019][ T553] CPU: 0 PID: 553 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 55.380821][ T424] ORIG_RAX: 00000000000000a6 [ 55.388729][ T553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.388733][ T553] Call Trace: [ 55.388746][ T553] dump_stack+0x19c/0x1e2 [ 55.388798][ T553] should_fail+0x3f7/0x5b0 [ 55.388810][ T553] __should_failslab+0xd2/0x130 [ 55.388818][ T553] should_failslab+0x9/0x20 [ 55.388826][ T553] slab_pre_alloc_hook+0x25/0xe0 [ 55.388834][ T553] kmem_cache_alloc_trace+0x47/0x2b0 [ 55.388842][ T553] ? pids_css_alloc+0x4e/0x120 [ 55.388858][ T553] pids_css_alloc+0x4e/0x120 [ 55.396935][ T424] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f6f95345557 [ 55.404798][ T553] cgroup_apply_control_enable+0x44e/0xfc0 [ 55.404810][ T553] cgroup_apply_control+0x36/0x710 [ 55.404818][ T553] ? init_wait_entry+0xe0/0xe0 [ 55.404834][ T553] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.412811][ T424] RDX: 00007ffc80b39369 RSI: 000000000000000a RDI: 00007ffc80b39360 [ 55.417871][ T553] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.418052][ T553] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.418071][ T553] cgroup_file_write+0x22f/0x4f0 [ 55.426144][ T424] RBP: 00007ffc80b39360 R08: 00000000ffffffff R09: 00007ffc80b39130 [ 55.433427][ T553] kernfs_fop_write_iter+0x2cd/0x410 [ 55.433438][ T553] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.433447][ T553] vfs_write+0xb57/0xe50 [ 55.433456][ T553] ksys_write+0x157/0x260 [ 55.433464][ T553] __x64_sys_write+0x7b/0x90 [ 55.433472][ T553] do_syscall_64+0x34/0x70 [ 55.433492][ T553] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.441519][ T424] R10: 000055555565eba3 R11: 0000000000000246 R12: 00007f6f9539d1f8 [ 55.448783][ T553] RIP: 0033:0x7fd11bd980e9 [ 55.448793][ T553] 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 [ 55.448804][ T553] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 [ 55.452265][ T424] R13: 00007ffc80b3a420 R14: 000055555565eb00 R15: 00007ffc80b3a460 [ 55.458359][ T553] ORIG_RAX: 0000000000000001 [ 55.458366][ T553] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 55.458382][ T553] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.462858][ T424] ---[ end trace 3a08363c28c4e378 ]--- [ 55.468810][ T553] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.468818][ T553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.468823][ T553] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 55.470451][ T553] !!! cgroup_apply_control_disable [ 55.839533][ T553] !!! cgroup_apply_control_disable kill_css ffff88811032bc00 [ 55.846968][ T553] !!! cgroup_apply_control_disable kill_css ffff888110328c00 [ 55.881165][ C0] !!! css_killed_ref_fn css ffff88811032bc00 !!! [ 55.887620][ C0] !!! css_killed_ref_fn css ffff888110328c00 !!! [ 55.894012][ T5] !!! css_release css ffff88811032bc00 !!! [ 55.894911][ T23] audit: type=1400 audit(1654021978.220:162): 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 [ 55.899819][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811032bc00 !!! [ 55.931186][ T5] !!! css_release css ffff888110328c00 !!! [ 55.937225][ T5] !!! css_put is zero set CSS_NO_REF css ffff888110328c00 !!! [ 55.945109][ T549] !!! css_create !!! [ 55.949026][ T549] !!! css_create !!! [ 55.953046][ T549] !!! css_create !!! [ 55.957025][ T549] FAULT_INJECTION: forcing a failure. [ 55.957025][ T549] name failslab, interval 1, probability 0, space 0, times 0 [ 55.970525][ T549] CPU: 0 PID: 549 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 55.982043][ T549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.993292][ T549] Call Trace: [ 55.996595][ T549] dump_stack+0x19c/0x1e2 [ 56.000929][ T549] should_fail+0x3f7/0x5b0 [ 56.005515][ T549] __should_failslab+0xd2/0x130 [ 56.010534][ T549] should_failslab+0x9/0x20 [ 56.015111][ T549] slab_pre_alloc_hook+0x25/0xe0 [ 56.020111][ T549] ? __kernfs_new_node+0x4c/0x6d0 [ 56.025125][ T549] __kmalloc_track_caller+0x70/0x300 [ 56.030536][ T549] ? __kernfs_new_node+0x4c/0x6d0 [ 56.035679][ T549] kstrdup_const+0x55/0x90 [ 56.040079][ T549] __kernfs_new_node+0x4c/0x6d0 [ 56.045524][ T549] ? string+0x29f/0x2b0 [ 56.049671][ T549] ? vsnprintf+0x1a6c/0x1b30 [ 56.054235][ T549] kernfs_new_node+0x97/0x170 [ 56.058891][ T549] __kernfs_create_file+0x4a/0x270 [ 56.064061][ T549] cgroup_addrm_files+0x99e/0xeb0 [ 56.069069][ T549] ? delete_node+0x747/0x7a0 [ 56.073662][ T549] css_populate_dir+0x137/0x370 [ 56.078516][ T549] cgroup_apply_control_enable+0x31e/0xfc0 [ 56.084302][ T549] cgroup_apply_control+0x36/0x710 [ 56.089392][ T549] ? init_wait_entry+0xe0/0xe0 [ 56.094134][ T549] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.099409][ T549] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.105372][ T549] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.111438][ T549] cgroup_file_write+0x22f/0x4f0 [ 56.116348][ T549] kernfs_fop_write_iter+0x2cd/0x410 [ 56.121608][ T549] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.126711][ T549] vfs_write+0xb57/0xe50 [ 56.130957][ T549] ksys_write+0x157/0x260 [ 56.135269][ T549] __x64_sys_write+0x7b/0x90 [ 56.139836][ T549] do_syscall_64+0x34/0x70 [ 56.144225][ T549] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.150103][ T549] RIP: 0033:0x7fd31cb190e9 [ 56.154510][ T549] 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 [ 56.174152][ T549] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.182557][ T549] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 56.190510][ T549] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.198571][ T549] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.206518][ T549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.214462][ T549] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 56.223306][ T549] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 56.230316][ T549] !!! cgroup_apply_control_disable [ 56.235483][ T549] !!! cgroup_apply_control_disable kill_css ffff88811030e800 [ 56.242945][ T549] !!! cgroup_apply_control_disable kill_css ffff88811030cc00 [ 56.250319][ T549] !!! cgroup_apply_control_disable kill_css ffff88811030f800 [ 56.259228][ T423] ------------[ cut here ]------------ [ 56.264738][ T423] WARNING: CPU: 1 PID: 423 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 56.273829][ T423] Modules linked in: [ 56.277748][ T423] CPU: 1 PID: 423 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 56.289297][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.299475][ T423] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 56.305142][ T423] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 56.324768][ T423] RSP: 0018:ffffc90000d57d58 EFLAGS: 00010293 [ 56.330823][ T423] RAX: ffffffff81af040c RBX: ffff88810cf2c260 RCX: ffff88810536cc40 [ 56.338794][ T423] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 56.346882][ T423] RBP: ffffc90000d57dc8 R08: ffffffff81af0137 R09: fffff520001aafa3 [ 56.354861][ T423] R10: fffff520001aafa3 R11: 1ffff920001aafa2 R12: dffffc0000000000 [ 56.362858][ T423] R13: ffff88810cf2c180 R14: 00000000ffffffff R15: 0000000000000000 [ 56.370821][ T423] FS: 0000555555d72400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 56.379798][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.386405][ T423] CR2: 00007ffedb33082c CR3: 0000000116485000 CR4: 00000000003506a0 [ 56.394392][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.402480][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.411261][ T423] Call Trace: [ 56.414563][ T423] ? init_wait_entry+0xe0/0xe0 [ 56.419312][ T423] ? up_write+0x68/0x140 [ 56.423596][ T423] namespace_unlock+0x377/0x420 [ 56.428782][ T423] path_umount+0xe23/0xed0 [ 56.433273][ T423] __x64_sys_umount+0xe8/0x110 [ 56.438025][ T423] do_syscall_64+0x34/0x70 [ 56.442445][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.448322][ T423] RIP: 0033:0x7fd31cb1a557 [ 56.452749][ T423] 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 [ 56.472374][ T423] RSP: 002b:00007ffedb330808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 56.480854][ T423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd31cb1a557 [ 56.488863][ T423] RDX: 00007ffedb3308d9 RSI: 000000000000000a RDI: 00007ffedb3308d0 [ 56.497430][ T423] RBP: 00007ffedb3308d0 R08: 00000000ffffffff R09: 00007ffedb3306a0 [ 56.505432][ T423] R10: 0000555555d73ba3 R11: 0000000000000246 R12: 00007fd31cb721f8 [ 56.513436][ T423] R13: 00007ffedb331990 R14: 0000555555d73b00 R15: 00007ffedb3319d0 [ 56.521435][ T423] ---[ end trace 3a08363c28c4e379 ]--- [ 56.528126][ T423] ------------[ cut here ]------------ [ 56.533670][ T423] WARNING: CPU: 1 PID: 423 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 56.541146][ C0] !!! css_killed_ref_fn css ffff88811030e800 !!! [ 56.542704][ T423] Modules linked in: [ 56.542731][ T423] CPU: 1 PID: 423 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 56.549053][ C0] !!! css_killed_ref_fn css ffff88811030cc00 !!! [ 56.552931][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.564523][ T388] !!! css_release css ffff88811030e800 !!! [ 56.570881][ T423] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 56.570892][ T423] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 56.570899][ T423] RSP: 0018:ffffc90000d57dd0 EFLAGS: 00010293 [ 56.570910][ T423] RAX: ffffffff81af040c RBX: ffff88810cf2c260 RCX: ffff88810536cc40 [ 56.570916][ T423] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 56.570931][ T423] RBP: ffffc90000d57e40 R08: ffffffff81af0137 R09: fffff520001aafb2 [ 56.583241][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811030e800 !!! [ 56.588114][ T423] R10: fffff520001aafb2 R11: 1ffff920001aafb1 R12: dffffc0000000000 [ 56.588121][ T423] R13: ffff88810cf2c180 R14: 00000000fffffffe R15: 0000000000000000 [ 56.588129][ T423] FS: 0000555555d72400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 56.588135][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.588148][ T423] CR2: 00007f6f9585b000 CR3: 0000000116485000 CR4: 00000000003506a0 [ 56.604734][ T388] !!! css_release css ffff88811030cc00 !!! [ 56.614416][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.614424][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.614427][ T423] Call Trace: [ 56.614451][ T423] path_umount+0x1ad/0xed0 [ 56.631322][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811030cc00 !!! [ 56.636998][ T423] __x64_sys_umount+0xe8/0x110 [ 56.637012][ T423] do_syscall_64+0x34/0x70 [ 56.739388][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.745300][ T423] RIP: 0033:0x7fd31cb1a557 [ 56.749703][ T423] 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 [ 56.769410][ T423] RSP: 002b:00007ffedb330808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 56.777833][ T423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd31cb1a557 [ 56.786073][ T423] RDX: 00007ffedb3308d9 RSI: 000000000000000a RDI: 00007ffedb3308d0 [ 56.794152][ T423] RBP: 00007ffedb3308d0 R08: 00000000ffffffff R09: 00007ffedb3306a0 [ 56.802266][ T423] R10: 0000555555d73ba3 R11: 0000000000000246 R12: 00007fd31cb721f8 [ 56.810245][ T423] R13: 00007ffedb331990 R14: 0000555555d73b00 R15: 00007ffedb3319d0 [ 56.818298][ T423] ---[ end trace 3a08363c28c4e37a ]--- [ 56.834872][ C0] !!! css_killed_ref_fn css ffff88811030f800 !!! [ 56.841495][ T388] !!! css_release css ffff88811030f800 !!! [ 56.847333][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811030f800 !!! [ 56.855346][ T596] !!! css_create !!! [ 56.859380][ T596] !!! css_create !!! [ 56.863403][ T596] !!! css_create !!! [ 56.867558][ T596] FAULT_INJECTION: forcing a failure. [ 56.867558][ T596] name failslab, interval 1, probability 0, space 0, times 0 [ 56.880471][ T596] CPU: 1 PID: 596 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 56.891995][ T596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.902026][ T596] Call Trace: [ 56.905362][ T596] dump_stack+0x19c/0x1e2 [ 56.909672][ T596] should_fail+0x3f7/0x5b0 [ 56.914059][ T596] __should_failslab+0xd2/0x130 [ 56.918882][ T596] should_failslab+0x9/0x20 [ 56.923375][ T596] slab_pre_alloc_hook+0x25/0xe0 [ 56.928294][ T596] ? __kernfs_new_node+0x4c/0x6d0 [ 56.933295][ T596] __kmalloc_track_caller+0x70/0x300 [ 56.938556][ T596] ? __kernfs_new_node+0x4c/0x6d0 [ 56.943555][ T596] kstrdup_const+0x55/0x90 [ 56.947944][ T596] __kernfs_new_node+0x4c/0x6d0 [ 56.952765][ T596] ? string+0x29f/0x2b0 [ 56.956898][ T596] ? vsnprintf+0x1a6c/0x1b30 [ 56.961459][ T596] kernfs_new_node+0x97/0x170 [ 56.966130][ T596] __kernfs_create_file+0x4a/0x270 [ 56.971242][ T596] cgroup_addrm_files+0x99e/0xeb0 [ 56.976269][ T596] ? delete_node+0x747/0x7a0 [ 56.980960][ T596] css_populate_dir+0x137/0x370 [ 56.985808][ T596] cgroup_apply_control_enable+0x31e/0xfc0 [ 56.991611][ T596] cgroup_apply_control+0x36/0x710 [ 56.996888][ T596] ? init_wait_entry+0xe0/0xe0 [ 57.001640][ T596] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.006913][ T596] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.012876][ T596] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.018848][ T596] cgroup_file_write+0x22f/0x4f0 [ 57.023787][ T596] kernfs_fop_write_iter+0x2cd/0x410 [ 57.029058][ T596] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.034152][ T596] vfs_write+0xb57/0xe50 [ 57.038372][ T596] ksys_write+0x157/0x260 [ 57.042699][ T596] __x64_sys_write+0x7b/0x90 [ 57.047284][ T596] do_syscall_64+0x34/0x70 [ 57.051693][ T596] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.057581][ T596] RIP: 0033:0x7fd31cb190e9 [ 57.061976][ T596] 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 [ 57.081928][ T596] RSP: 002b:00007fd31ca8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.090319][ T596] RAX: ffffffffffffffda RBX: 00007fd31cc2bf60 RCX: 00007fd31cb190e9 [ 57.098261][ T596] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.106223][ T596] RBP: 00007fd31ca8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.114194][ T596] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.122151][ T596] R13: 00007ffedb3316af R14: 00007fd31ca8f300 R15: 0000000000022000 2022/05/31 18:32:59 executed programs: 51 [ 57.130315][ T596] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.137473][ T596] !!! cgroup_apply_control_disable [ 57.142890][ T596] !!! cgroup_apply_control_disable kill_css ffff8881104d4000 [ 57.150356][ T596] !!! cgroup_apply_control_disable kill_css ffff8881104d9000 [ 57.158121][ T596] !!! cgroup_apply_control_disable kill_css ffff8881104db400 [ 57.172987][ C0] !!! css_killed_ref_fn css ffff8881104d4000 !!! [ 57.179388][ T388] !!! css_release css ffff8881104d4000 !!! [ 57.185357][ T388] !!! css_put is zero set CSS_NO_REF css ffff8881104d4000 !!! [ 57.192848][ C0] !!! css_killed_ref_fn css ffff8881104d9000 !!! [ 57.192865][ C0] !!! css_killed_ref_fn css ffff8881104db400 !!! [ 57.205714][ T388] !!! css_release css ffff8881104d9000 !!! [ 57.211524][ T388] !!! css_put is zero set CSS_NO_REF css ffff8881104d9000 !!! [ 57.219112][ T388] !!! css_release css ffff8881104db400 !!! [ 57.225040][ T388] !!! css_put is zero set CSS_NO_REF css ffff8881104db400 !!! [ 57.232585][ T598] !!! css_create !!! [ 57.236514][ T598] !!! css_create !!! [ 57.240472][ T598] !!! css_create !!! [ 57.244417][ T598] FAULT_INJECTION: forcing a failure. [ 57.244417][ T598] name failslab, interval 1, probability 0, space 0, times 0 [ 57.257019][ T598] CPU: 0 PID: 598 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 57.268634][ T598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.278679][ T598] Call Trace: [ 57.281950][ T598] dump_stack+0x19c/0x1e2 [ 57.286254][ T598] should_fail+0x3f7/0x5b0 [ 57.290675][ T598] __should_failslab+0xd2/0x130 [ 57.295591][ T598] should_failslab+0x9/0x20 [ 57.300068][ T598] slab_pre_alloc_hook+0x25/0xe0 [ 57.304993][ T598] kmem_cache_alloc_trace+0x47/0x2b0 [ 57.310280][ T598] ? percpu_ref_init+0xd0/0x330 [ 57.315146][ T598] percpu_ref_init+0xd0/0x330 [ 57.319893][ T598] ? cgroup_setup_root+0x8a0/0x8a0 [ 57.325000][ T598] cgroup_apply_control_enable+0x49f/0xfc0 [ 57.330836][ T598] cgroup_apply_control+0x36/0x710 [ 57.336105][ T598] ? init_wait_entry+0xe0/0xe0 [ 57.341369][ T598] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.346657][ T598] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.352617][ T598] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.358566][ T598] cgroup_file_write+0x22f/0x4f0 [ 57.363659][ T598] kernfs_fop_write_iter+0x2cd/0x410 [ 57.369002][ T598] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.374202][ T598] vfs_write+0xb57/0xe50 [ 57.378428][ T598] ksys_write+0x157/0x260 [ 57.382826][ T598] __x64_sys_write+0x7b/0x90 [ 57.387390][ T598] do_syscall_64+0x34/0x70 [ 57.391776][ T598] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.397645][ T598] RIP: 0033:0x7fd11bd980e9 [ 57.402182][ 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 [ 57.423979][ T598] RSP: 002b:00007fd11bd0e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.432617][ T598] RAX: ffffffffffffffda RBX: 00007fd11beaaf60 RCX: 00007fd11bd980e9 [ 57.441359][ T598] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.449346][ T598] RBP: 00007fd11bd0e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.457311][ T598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.465268][ T598] R13: 00007ffc64020bbf R14: 00007fd11bd0e300 R15: 0000000000022000 [ 57.473707][ T598] !!! cgroup_apply_control_disable [ 57.478901][ T598] !!! cgroup_apply_control_disable kill_css ffff888110635400 [ 57.486383][ T598] !!! cgroup_apply_control_disable kill_css ffff888110636000 [ 57.511141][ C0] !!! css_killed_ref_fn css ffff888110635400 !!! [ 57.517757][ T388] !!! css_release css ffff888110635400 !!! [ 57.523682][ C0] !!! css_killed_ref_fn css ffff888110636000 !!! [ 57.530040][ T388] !!! css_put is zero set CSS_NO_REF css ffff888110635400 !!! [ 57.537657][ T5] !!! css_release css ffff888110636000 !!! [ 57.544004][ T5] !!! css_put is zero set CSS_NO_REF css ffff888110636000 !!! [ 57.552324][ T580] !!! css_create !!! [ 57.556257][ T580] !!! css_create !!! [ 57.560183][ T580] !!! css_create !!! [ 57.564318][ T580] FAULT_INJECTION: forcing a failure. [ 57.564318][ T580] name failslab, interval 1, probability 0, space 0, times 0 [ 57.577340][ T580] CPU: 0 PID: 580 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 57.589344][ T580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.599577][ T580] Call Trace: [ 57.602850][ T580] dump_stack+0x19c/0x1e2 [ 57.607267][ T580] should_fail+0x3f7/0x5b0 [ 57.611742][ T580] __should_failslab+0xd2/0x130 [ 57.616587][ T580] should_failslab+0x9/0x20 [ 57.621177][ T580] slab_pre_alloc_hook+0x25/0xe0 [ 57.626194][ T580] kmem_cache_alloc_trace+0x47/0x2b0 [ 57.631576][ T580] ? percpu_ref_init+0xd0/0x330 [ 57.636874][ T580] percpu_ref_init+0xd0/0x330 [ 57.641796][ T580] ? cgroup_setup_root+0x8a0/0x8a0 [ 57.647397][ T580] cgroup_apply_control_enable+0x49f/0xfc0 [ 57.653600][ T580] cgroup_apply_control+0x36/0x710 [ 57.658689][ T580] ? init_wait_entry+0xe0/0xe0 [ 57.663427][ T580] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.668782][ T580] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.674753][ T580] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.681090][ T580] cgroup_file_write+0x22f/0x4f0 [ 57.686300][ T580] kernfs_fop_write_iter+0x2cd/0x410 [ 57.691750][ T580] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.697397][ T580] vfs_write+0xb57/0xe50 [ 57.701624][ T580] ksys_write+0x157/0x260 [ 57.706110][ T580] __x64_sys_write+0x7b/0x90 [ 57.711122][ T580] do_syscall_64+0x34/0x70 [ 57.715704][ T580] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.721934][ T580] RIP: 0033:0x7f9ada61d0e9 [ 57.726329][ T580] 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 [ 57.746355][ T580] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.754755][ T580] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 57.762786][ T580] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.770734][ T580] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.778767][ T580] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.786894][ T580] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 57.796788][ T580] !!! cgroup_apply_control_disable [ 57.802893][ T580] !!! cgroup_apply_control_disable kill_css ffff888110637800 [ 57.810459][ T580] !!! cgroup_apply_control_disable kill_css ffff888110634000 [ 57.851164][ C0] !!! css_killed_ref_fn css ffff888110637800 !!! [ 57.857670][ C0] !!! css_killed_ref_fn css ffff888110634000 !!! [ 57.864094][ T5] !!! css_release css ffff888110637800 !!! [ 57.870302][ T5] !!! css_put is zero set CSS_NO_REF css ffff888110637800 !!! [ 57.879021][ T388] !!! css_release css ffff888110634000 !!! [ 57.886540][ T388] !!! css_put is zero set CSS_NO_REF css ffff888110634000 !!! [ 57.894456][ T606] !!! css_create !!! [ 57.898985][ T606] !!! css_create !!! [ 57.903062][ T606] !!! css_create !!! [ 57.907034][ T606] FAULT_INJECTION: forcing a failure. [ 57.907034][ T606] name failslab, interval 1, probability 0, space 0, times 0 [ 57.920087][ T606] CPU: 1 PID: 606 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 57.932546][ T606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.943217][ T606] Call Trace: [ 57.947268][ T606] dump_stack+0x19c/0x1e2 [ 57.951754][ T606] should_fail+0x3f7/0x5b0 [ 57.956241][ T606] __should_failslab+0xd2/0x130 [ 57.961197][ T606] should_failslab+0x9/0x20 [ 57.965712][ T606] slab_pre_alloc_hook+0x25/0xe0 [ 57.973857][ T606] ? __kernfs_new_node+0x4c/0x6d0 [ 57.980697][ T606] __kmalloc_track_caller+0x70/0x300 [ 57.986157][ T606] ? __kernfs_new_node+0x4c/0x6d0 [ 57.992210][ T606] kstrdup_const+0x55/0x90 [ 57.997323][ T606] __kernfs_new_node+0x4c/0x6d0 [ 58.002256][ T606] ? string+0x29f/0x2b0 [ 58.006503][ T606] ? vsnprintf+0x1a6c/0x1b30 [ 58.011209][ T606] kernfs_new_node+0x97/0x170 [ 58.015897][ T606] __kernfs_create_file+0x4a/0x270 [ 58.021002][ T606] cgroup_addrm_files+0x99e/0xeb0 [ 58.026011][ T606] ? delete_node+0x747/0x7a0 [ 58.030577][ T606] css_populate_dir+0x137/0x370 [ 58.035416][ T606] cgroup_apply_control_enable+0x31e/0xfc0 [ 58.041193][ T606] cgroup_apply_control+0x36/0x710 [ 58.046283][ T606] ? init_wait_entry+0xe0/0xe0 [ 58.051018][ T606] ? cgroup_kn_lock_live+0x1af/0x370 [ 58.056276][ T606] cgroup_subtree_control_write+0xd05/0x12d0 [ 58.062227][ T606] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 58.068182][ T606] cgroup_file_write+0x22f/0x4f0 [ 58.073095][ T606] kernfs_fop_write_iter+0x2cd/0x410 [ 58.078358][ T606] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.083573][ T606] vfs_write+0xb57/0xe50 [ 58.087804][ T606] ksys_write+0x157/0x260 [ 58.092252][ T606] __x64_sys_write+0x7b/0x90 [ 58.096826][ T606] do_syscall_64+0x34/0x70 [ 58.101216][ T606] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.107080][ T606] RIP: 0033:0x7fd11bd980e9 [ 58.111469][ 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 [ 58.131060][ T606] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.139453][ T606] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 58.147423][ T606] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.155366][ T606] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.163646][ T606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.171600][ T606] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 58.180040][ T606] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 58.188589][ T606] !!! cgroup_apply_control_disable [ 58.193849][ T606] !!! cgroup_apply_control_disable kill_css ffff888110786000 [ 58.201369][ T606] !!! cgroup_apply_control_disable kill_css ffff888110785000 [ 58.208781][ T606] !!! cgroup_apply_control_disable kill_css ffff888110787c00 [ 58.241146][ C0] !!! css_killed_ref_fn css ffff888110786000 !!! [ 58.247556][ C0] !!! css_killed_ref_fn css ffff888110785000 !!! [ 58.253963][ T388] !!! css_release css ffff888110786000 !!! [ 58.259765][ T388] !!! css_put is zero set CSS_NO_REF css ffff888110786000 !!! [ 58.267297][ T388] !!! css_release css ffff888110785000 !!! [ 58.271130][ C1] !!! css_killed_ref_fn css ffff888110787c00 !!! [ 58.273749][ T388] !!! css_put is zero set CSS_NO_REF css ffff888110785000 !!! [ 58.287357][ T445] !!! css_release css ffff888110787c00 !!! [ 58.293275][ T445] !!! css_put is zero set CSS_NO_REF css ffff888110787c00 !!! [ 58.300808][ T603] !!! css_create !!! [ 58.305014][ T603] !!! css_create !!! [ 58.309129][ T603] !!! css_create !!! [ 58.313092][ T603] FAULT_INJECTION: forcing a failure. [ 58.313092][ T603] name failslab, interval 1, probability 0, space 0, times 0 [ 58.325715][ T603] CPU: 0 PID: 603 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 58.337233][ T603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.347267][ T603] Call Trace: [ 58.350536][ T603] dump_stack+0x19c/0x1e2 [ 58.354846][ T603] should_fail+0x3f7/0x5b0 [ 58.359236][ T603] __should_failslab+0xd2/0x130 [ 58.364161][ T603] should_failslab+0x9/0x20 [ 58.368762][ T603] slab_pre_alloc_hook+0x25/0xe0 [ 58.373677][ T603] ? __kernfs_new_node+0x4c/0x6d0 [ 58.378762][ T603] __kmalloc_track_caller+0x70/0x300 [ 58.384019][ T603] ? __kernfs_new_node+0x4c/0x6d0 [ 58.389016][ T603] kstrdup_const+0x55/0x90 [ 58.393449][ T603] __kernfs_new_node+0x4c/0x6d0 [ 58.398410][ T603] ? string+0x29f/0x2b0 [ 58.402545][ T603] ? vsnprintf+0x1a6c/0x1b30 [ 58.407140][ T603] kernfs_new_node+0x97/0x170 [ 58.411815][ T603] __kernfs_create_file+0x4a/0x270 [ 58.416914][ T603] cgroup_addrm_files+0x99e/0xeb0 [ 58.421932][ T603] ? delete_node+0x747/0x7a0 [ 58.426511][ T603] css_populate_dir+0x137/0x370 [ 58.431441][ T603] cgroup_apply_control_enable+0x31e/0xfc0 [ 58.437229][ T603] cgroup_apply_control+0x36/0x710 [ 58.442412][ T603] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 58.448885][ T603] ? cgroup_subtree_control_write+0x9a0/0x12d0 [ 58.455035][ T603] cgroup_subtree_control_write+0xd05/0x12d0 [ 58.460987][ T603] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 58.466938][ T603] cgroup_file_write+0x22f/0x4f0 [ 58.471846][ T603] kernfs_fop_write_iter+0x2cd/0x410 [ 58.477104][ T603] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.482197][ T603] vfs_write+0xb57/0xe50 [ 58.486451][ T603] ksys_write+0x157/0x260 [ 58.490768][ T603] __x64_sys_write+0x7b/0x90 [ 58.495344][ T603] do_syscall_64+0x34/0x70 [ 58.499747][ T603] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.505640][ T603] RIP: 0033:0x7fd31cb190e9 [ 58.510046][ T603] 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 [ 58.531558][ T603] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.539963][ T603] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 58.547994][ T603] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.555938][ T603] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.563882][ T603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.571829][ T603] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 58.579951][ T603] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 58.587072][ T603] !!! cgroup_apply_control_disable [ 58.592229][ T603] !!! cgroup_apply_control_disable kill_css ffff88811098dc00 [ 58.599651][ T603] !!! cgroup_apply_control_disable kill_css ffff88811098cc00 [ 58.607145][ T603] !!! cgroup_apply_control_disable kill_css ffff88811098f800 [ 58.621318][ C0] !!! css_killed_ref_fn css ffff88811098dc00 !!! [ 58.627795][ T388] !!! css_release css ffff88811098dc00 !!! [ 58.633695][ C0] !!! css_killed_ref_fn css ffff88811098cc00 !!! [ 58.633710][ C0] !!! css_killed_ref_fn css ffff88811098f800 !!! [ 58.646877][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811098dc00 !!! [ 58.654733][ T388] !!! css_release css ffff88811098cc00 !!! [ 58.660581][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811098cc00 !!! [ 58.668546][ T388] !!! css_release css ffff88811098f800 !!! [ 58.674430][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811098f800 !!! [ 58.682128][ T577] !!! css_create !!! [ 58.686134][ T577] !!! css_create !!! [ 58.690762][ T577] !!! css_create !!! [ 58.695167][ T577] FAULT_INJECTION: forcing a failure. [ 58.695167][ T577] name failslab, interval 1, probability 0, space 0, times 0 [ 58.707931][ T577] CPU: 0 PID: 577 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 58.719500][ T577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.729538][ T577] Call Trace: [ 58.732816][ T577] dump_stack+0x19c/0x1e2 [ 58.737393][ T577] should_fail+0x3f7/0x5b0 [ 58.741815][ T577] __should_failslab+0xd2/0x130 [ 58.746653][ T577] should_failslab+0x9/0x20 [ 58.751139][ T577] slab_pre_alloc_hook+0x25/0xe0 [ 58.756050][ T577] kmem_cache_alloc_trace+0x47/0x2b0 [ 58.761327][ T577] ? percpu_ref_init+0xd0/0x330 [ 58.766165][ T577] percpu_ref_init+0xd0/0x330 [ 58.770829][ T577] ? cgroup_setup_root+0x8a0/0x8a0 [ 58.775937][ T577] cgroup_apply_control_enable+0x49f/0xfc0 [ 58.781724][ T577] cgroup_apply_control+0x36/0x710 [ 58.786823][ T577] ? init_wait_entry+0xe0/0xe0 [ 58.791572][ T577] ? cgroup_kn_lock_live+0x1af/0x370 [ 58.796829][ T577] cgroup_subtree_control_write+0xd05/0x12d0 [ 58.802787][ T577] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 58.808736][ T577] cgroup_file_write+0x22f/0x4f0 [ 58.813667][ T577] kernfs_fop_write_iter+0x2cd/0x410 [ 58.818924][ T577] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.824036][ T577] vfs_write+0xb57/0xe50 [ 58.828293][ T577] ksys_write+0x157/0x260 [ 58.832606][ T577] __x64_sys_write+0x7b/0x90 [ 58.837826][ T577] do_syscall_64+0x34/0x70 [ 58.842254][ T577] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.848134][ T577] RIP: 0033:0x7fe496c3a0e9 [ 58.852542][ T577] 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 [ 58.872135][ T577] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.880544][ T577] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 58.888495][ T577] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.896484][ T577] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.904471][ T577] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.912427][ T577] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 58.920580][ T577] !!! cgroup_apply_control_disable [ 58.925758][ T577] !!! cgroup_apply_control_disable kill_css ffff888110b07c00 [ 58.933223][ T577] !!! cgroup_apply_control_disable kill_css ffff888110cea400 [ 58.961181][ C0] !!! css_killed_ref_fn css ffff888110b07c00 !!! [ 58.967570][ C0] !!! css_killed_ref_fn css ffff888110cea400 !!! [ 58.973962][ T5] !!! css_release css ffff888110b07c00 !!! [ 58.980110][ T5] !!! css_put is zero set CSS_NO_REF css ffff888110b07c00 !!! [ 58.987773][ T5] !!! css_release css ffff888110cea400 !!! [ 58.993643][ T5] !!! css_put is zero set CSS_NO_REF css ffff888110cea400 !!! [ 59.001297][ T600] !!! css_create !!! [ 59.005261][ T600] !!! css_create !!! [ 59.009203][ T600] !!! css_create !!! [ 59.013316][ T600] FAULT_INJECTION: forcing a failure. [ 59.013316][ T600] name failslab, interval 1, probability 0, space 0, times 0 [ 59.026245][ T600] CPU: 0 PID: 600 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 59.037819][ T600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.048313][ T600] Call Trace: [ 59.051595][ T600] dump_stack+0x19c/0x1e2 [ 59.055902][ T600] should_fail+0x3f7/0x5b0 [ 59.060308][ T600] __should_failslab+0xd2/0x130 [ 59.065137][ T600] should_failslab+0x9/0x20 [ 59.069618][ T600] slab_pre_alloc_hook+0x25/0xe0 [ 59.074543][ T600] ? __kernfs_new_node+0x4c/0x6d0 [ 59.079690][ T600] __kmalloc_track_caller+0x70/0x300 [ 59.084971][ T600] ? __kernfs_new_node+0x4c/0x6d0 [ 59.089988][ T600] kstrdup_const+0x55/0x90 [ 59.094388][ T600] __kernfs_new_node+0x4c/0x6d0 [ 59.099211][ T600] ? string+0x29f/0x2b0 [ 59.103349][ T600] ? vsnprintf+0x1a6c/0x1b30 [ 59.107921][ T600] kernfs_new_node+0x97/0x170 [ 59.112577][ T600] __kernfs_create_file+0x4a/0x270 [ 59.117661][ T600] cgroup_addrm_files+0x99e/0xeb0 [ 59.122671][ T600] ? delete_node+0x747/0x7a0 [ 59.127233][ T600] css_populate_dir+0x137/0x370 [ 59.132142][ T600] cgroup_apply_control_enable+0x31e/0xfc0 [ 59.138101][ T600] cgroup_apply_control+0x36/0x710 [ 59.143189][ T600] ? init_wait_entry+0xe0/0xe0 [ 59.147941][ T600] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.153409][ T600] cgroup_subtree_control_write+0xd05/0x12d0 [ 59.159389][ T600] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 59.165381][ T600] cgroup_file_write+0x22f/0x4f0 [ 59.170895][ T600] kernfs_fop_write_iter+0x2cd/0x410 [ 59.176186][ T600] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.181279][ T600] vfs_write+0xb57/0xe50 [ 59.185506][ T600] ksys_write+0x157/0x260 [ 59.189833][ T600] __x64_sys_write+0x7b/0x90 [ 59.194408][ T600] do_syscall_64+0x34/0x70 [ 59.198984][ T600] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.204851][ T600] RIP: 0033:0x7f6f953440e9 [ 59.209349][ T600] 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 [ 59.229138][ T600] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.237741][ T600] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 59.245875][ T600] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.254269][ T600] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.262647][ T600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.271047][ T600] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 59.279453][ T600] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 59.286587][ T600] !!! cgroup_apply_control_disable [ 59.292076][ T600] !!! cgroup_apply_control_disable kill_css ffff88811098d800 [ 59.299534][ T600] !!! cgroup_apply_control_disable kill_css ffff88810f648800 [ 59.307068][ T600] !!! cgroup_apply_control_disable kill_css ffff88810eacac00 [ 59.331159][ C0] !!! css_killed_ref_fn css ffff88811098d800 !!! [ 59.338282][ T5] !!! css_release css ffff88811098d800 !!! [ 59.344313][ C0] !!! css_killed_ref_fn css ffff88810f648800 !!! [ 59.344322][ C0] !!! css_killed_ref_fn css ffff88810eacac00 !!! [ 59.357003][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811098d800 !!! [ 59.364609][ T5] !!! css_release css ffff88810f648800 !!! [ 59.370412][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810f648800 !!! [ 59.378144][ T5] !!! css_release css ffff88810eacac00 !!! [ 59.384112][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810eacac00 !!! [ 59.392250][ T617] !!! css_create !!! [ 59.396180][ T617] !!! css_create !!! [ 59.400075][ T617] !!! css_create !!! [ 59.404223][ T617] FAULT_INJECTION: forcing a failure. [ 59.404223][ T617] name failslab, interval 1, probability 0, space 0, times 0 [ 59.417049][ T617] CPU: 0 PID: 617 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 59.428572][ T617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.438702][ T617] Call Trace: [ 59.441971][ T617] dump_stack+0x19c/0x1e2 [ 59.446368][ T617] should_fail+0x3f7/0x5b0 [ 59.451018][ T617] __should_failslab+0xd2/0x130 [ 59.455934][ T617] should_failslab+0x9/0x20 [ 59.460683][ T617] slab_pre_alloc_hook+0x25/0xe0 [ 59.465592][ T617] kmem_cache_alloc_trace+0x47/0x2b0 [ 59.471023][ T617] ? pids_css_alloc+0x4e/0x120 [ 59.475765][ T617] pids_css_alloc+0x4e/0x120 [ 59.480325][ T617] cgroup_apply_control_enable+0x44e/0xfc0 [ 59.486118][ T617] cgroup_apply_control+0x36/0x710 [ 59.491206][ T617] ? init_wait_entry+0xe0/0xe0 [ 59.495963][ T617] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.501937][ T617] cgroup_subtree_control_write+0xd05/0x12d0 [ 59.507983][ T617] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 59.514809][ T617] cgroup_file_write+0x22f/0x4f0 [ 59.519822][ T617] kernfs_fop_write_iter+0x2cd/0x410 [ 59.525455][ T617] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.530638][ T617] vfs_write+0xb57/0xe50 [ 59.535028][ T617] ksys_write+0x157/0x260 [ 59.539346][ T617] __x64_sys_write+0x7b/0x90 [ 59.543916][ T617] do_syscall_64+0x34/0x70 [ 59.548325][ T617] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.554210][ T617] RIP: 0033:0x7fd31cb190e9 [ 59.558660][ 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 [ 59.578524][ T617] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.586989][ T617] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 59.595810][ T617] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.604646][ T617] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.613287][ T617] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.621795][ T617] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 59.629964][ T617] !!! cgroup_apply_control_disable [ 59.635251][ T617] !!! cgroup_apply_control_disable kill_css ffff888110c71400 [ 59.643373][ T617] !!! cgroup_apply_control_disable kill_css ffff888110c72000 [ 59.691135][ C0] !!! css_killed_ref_fn css ffff888110c71400 !!! [ 59.697705][ C0] !!! css_killed_ref_fn css ffff888110c72000 !!! [ 59.704177][ T5] !!! css_release css ffff888110c71400 !!! [ 59.709967][ T5] !!! css_put is zero set CSS_NO_REF css ffff888110c71400 !!! [ 59.717808][ T5] !!! css_release css ffff888110c72000 !!! [ 59.724075][ T5] !!! css_put is zero set CSS_NO_REF css ffff888110c72000 !!! [ 59.731694][ T599] !!! css_create !!! [ 59.735718][ T599] !!! css_create !!! [ 59.739682][ T599] !!! css_create !!! [ 59.744012][ T599] FAULT_INJECTION: forcing a failure. [ 59.744012][ T599] name failslab, interval 1, probability 0, space 0, times 0 [ 59.757288][ T599] CPU: 0 PID: 599 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 59.769086][ T599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.779397][ T599] Call Trace: [ 59.782767][ T599] dump_stack+0x19c/0x1e2 [ 59.787078][ T599] should_fail+0x3f7/0x5b0 [ 59.791568][ T599] __should_failslab+0xd2/0x130 [ 59.796596][ T599] should_failslab+0x9/0x20 [ 59.801077][ T599] slab_pre_alloc_hook+0x25/0xe0 [ 59.806089][ T599] ? __kernfs_new_node+0x4c/0x6d0 [ 59.811780][ T599] __kmalloc_track_caller+0x70/0x300 [ 59.817279][ T599] ? __kernfs_new_node+0x4c/0x6d0 [ 59.822915][ T599] kstrdup_const+0x55/0x90 [ 59.827305][ T599] __kernfs_new_node+0x4c/0x6d0 [ 59.832134][ T599] ? string+0x29f/0x2b0 [ 59.837033][ T599] ? vsnprintf+0x1a6c/0x1b30 [ 59.841877][ T599] kernfs_new_node+0x97/0x170 [ 59.846540][ T599] __kernfs_create_file+0x4a/0x270 [ 59.851645][ T599] cgroup_addrm_files+0x99e/0xeb0 [ 59.856651][ T599] ? delete_node+0x747/0x7a0 [ 59.861214][ T599] css_populate_dir+0x137/0x370 [ 59.866036][ T599] cgroup_apply_control_enable+0x31e/0xfc0 [ 59.871828][ T599] cgroup_apply_control+0x36/0x710 [ 59.877002][ T599] ? init_wait_entry+0xe0/0xe0 [ 59.882150][ T599] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.887502][ T599] cgroup_subtree_control_write+0xd05/0x12d0 [ 59.893560][ T599] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 59.899518][ T599] cgroup_file_write+0x22f/0x4f0 [ 59.904454][ T599] kernfs_fop_write_iter+0x2cd/0x410 [ 59.909742][ T599] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.915130][ T599] vfs_write+0xb57/0xe50 [ 59.919699][ T599] ksys_write+0x157/0x260 [ 59.925017][ T599] __x64_sys_write+0x7b/0x90 [ 59.929613][ T599] do_syscall_64+0x34/0x70 [ 59.934164][ T599] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.940053][ T599] RIP: 0033:0x7fce14ce20e9 [ 59.944452][ T599] 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 [ 59.964128][ T599] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.972523][ T599] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 59.980564][ T599] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.988530][ T599] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.996501][ T599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.004618][ T599] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 60.012863][ T599] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 60.020050][ T599] !!! cgroup_apply_control_disable [ 60.025285][ T599] !!! cgroup_apply_control_disable kill_css ffff888110f60800 [ 60.032924][ T599] !!! cgroup_apply_control_disable kill_css ffff888110f62800 [ 60.040366][ T599] !!! cgroup_apply_control_disable kill_css ffff888110cb1c00 [ 60.071135][ C1] !!! css_killed_ref_fn css ffff888110f60800 !!! [ 60.077623][ C1] !!! css_killed_ref_fn css ffff888110f62800 !!! [ 60.084008][ T445] !!! css_release css ffff888110f60800 !!! [ 60.089907][ T445] !!! css_put is zero set CSS_NO_REF css ffff888110f60800 !!! [ 60.097501][ T445] !!! css_release css ffff888110f62800 !!! [ 60.103326][ C1] !!! css_killed_ref_fn css ffff888110cb1c00 !!! [ 60.109889][ T445] !!! css_put is zero set CSS_NO_REF css ffff888110f62800 !!! [ 60.117545][ T445] !!! css_release css ffff888110cb1c00 !!! [ 60.123368][ T445] !!! css_put is zero set CSS_NO_REF css ffff888110cb1c00 !!! [ 60.130863][ T621] !!! css_create !!! [ 60.134849][ T621] !!! css_create !!! [ 60.138782][ T621] !!! css_create !!! [ 60.142698][ T621] FAULT_INJECTION: forcing a failure. [ 60.142698][ T621] name failslab, interval 1, probability 0, space 0, times 0 [ 60.155309][ T621] CPU: 1 PID: 621 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 60.166850][ T621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.177032][ T621] Call Trace: [ 60.180439][ T621] dump_stack+0x19c/0x1e2 [ 60.184933][ T621] should_fail+0x3f7/0x5b0 [ 60.189340][ T621] __should_failslab+0xd2/0x130 [ 60.194191][ T621] should_failslab+0x9/0x20 [ 60.198693][ T621] slab_pre_alloc_hook+0x25/0xe0 [ 60.203621][ T621] kmem_cache_alloc_trace+0x47/0x2b0 [ 60.208891][ T621] ? pids_css_alloc+0x4e/0x120 [ 60.213927][ T621] pids_css_alloc+0x4e/0x120 [ 60.218509][ T621] cgroup_apply_control_enable+0x44e/0xfc0 [ 60.224319][ T621] cgroup_apply_control+0x36/0x710 [ 60.229409][ T621] ? init_wait_entry+0xe0/0xe0 [ 60.234161][ T621] ? cgroup_kn_lock_live+0x1af/0x370 [ 60.240469][ T621] cgroup_subtree_control_write+0xd05/0x12d0 [ 60.246433][ T621] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 60.252437][ T621] cgroup_file_write+0x22f/0x4f0 [ 60.257361][ T621] kernfs_fop_write_iter+0x2cd/0x410 [ 60.262709][ T621] ? cgroup_seqfile_stop+0xc0/0xc0 [ 60.267800][ T621] vfs_write+0xb57/0xe50 [ 60.272025][ T621] ksys_write+0x157/0x260 [ 60.276343][ T621] __x64_sys_write+0x7b/0x90 [ 60.281013][ T621] do_syscall_64+0x34/0x70 [ 60.285406][ T621] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.291280][ T621] RIP: 0033:0x7f6f953440e9 [ 60.295673][ T621] 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 [ 60.315312][ T621] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.323709][ T621] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 60.332041][ T621] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 60.340004][ T621] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 60.347966][ T621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.355938][ T621] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 60.364852][ T621] !!! cgroup_apply_control_disable [ 60.369958][ T621] !!! cgroup_apply_control_disable kill_css ffff888110dd1400 [ 60.377371][ T621] !!! cgroup_apply_control_disable kill_css ffff888110dd2000 [ 60.411137][ C1] !!! css_killed_ref_fn css ffff888110dd1400 !!! [ 60.417512][ C1] !!! css_killed_ref_fn css ffff888110dd2000 !!! [ 60.424059][ T445] !!! css_release css ffff888110dd1400 !!! [ 60.429859][ T445] !!! css_put is zero set CSS_NO_REF css ffff888110dd1400 !!! [ 60.437492][ T445] !!! css_release css ffff888110dd2000 !!! [ 60.443409][ T445] !!! css_put is zero set CSS_NO_REF css ffff888110dd2000 !!! [ 60.450919][ T618] !!! css_create !!! [ 60.454988][ T618] !!! css_create !!! [ 60.458950][ T618] !!! css_create !!! [ 60.462927][ T618] FAULT_INJECTION: forcing a failure. [ 60.462927][ T618] name failslab, interval 1, probability 0, space 0, times 0 [ 60.475587][ T618] CPU: 0 PID: 618 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 60.487095][ T618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.497127][ T618] Call Trace: [ 60.500388][ T618] dump_stack+0x19c/0x1e2 [ 60.504686][ T618] should_fail+0x3f7/0x5b0 [ 60.509096][ T618] __should_failslab+0xd2/0x130 [ 60.513919][ T618] should_failslab+0x9/0x20 [ 60.518390][ T618] slab_pre_alloc_hook+0x25/0xe0 [ 60.523319][ T618] ? __kernfs_new_node+0x4c/0x6d0 [ 60.528349][ T618] __kmalloc_track_caller+0x70/0x300 [ 60.533631][ T618] ? __kernfs_new_node+0x4c/0x6d0 [ 60.538723][ T618] kstrdup_const+0x55/0x90 [ 60.543144][ T618] __kernfs_new_node+0x4c/0x6d0 [ 60.548117][ T618] ? string+0x29f/0x2b0 [ 60.552267][ T618] ? vsnprintf+0x1a6c/0x1b30 [ 60.556856][ T618] kernfs_new_node+0x97/0x170 [ 60.561515][ T618] __kernfs_create_file+0x4a/0x270 [ 60.566608][ T618] cgroup_addrm_files+0x99e/0xeb0 [ 60.572040][ T618] ? delete_node+0x747/0x7a0 [ 60.576688][ T618] css_populate_dir+0x137/0x370 [ 60.581509][ T618] cgroup_apply_control_enable+0x31e/0xfc0 [ 60.587282][ T618] cgroup_apply_control+0x36/0x710 [ 60.592389][ T618] ? init_wait_entry+0xe0/0xe0 [ 60.597157][ T618] ? cgroup_kn_lock_live+0x1af/0x370 [ 60.602453][ T618] cgroup_subtree_control_write+0xd05/0x12d0 [ 60.608408][ T618] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 60.614363][ T618] cgroup_file_write+0x22f/0x4f0 [ 60.619269][ T618] kernfs_fop_write_iter+0x2cd/0x410 [ 60.624534][ T618] ? cgroup_seqfile_stop+0xc0/0xc0 [ 60.630098][ T618] vfs_write+0xb57/0xe50 [ 60.634326][ T618] ksys_write+0x157/0x260 [ 60.638660][ T618] __x64_sys_write+0x7b/0x90 [ 60.643228][ T618] do_syscall_64+0x34/0x70 [ 60.647614][ T618] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.653484][ T618] RIP: 0033:0x7fe496c3a0e9 [ 60.657874][ T618] 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 [ 60.679138][ T618] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.687526][ T618] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 60.695467][ T618] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 60.703418][ T618] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 60.711377][ T618] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.719337][ T618] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 60.727846][ T618] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 60.735273][ T618] !!! cgroup_apply_control_disable [ 60.740538][ T618] !!! cgroup_apply_control_disable kill_css ffff888110da7000 [ 60.750138][ T618] !!! cgroup_apply_control_disable kill_css ffff88810f898800 [ 60.758166][ T618] !!! cgroup_apply_control_disable kill_css ffff88810f899800 [ 60.767436][ T425] ------------[ cut here ]------------ [ 60.772982][ T425] WARNING: CPU: 0 PID: 425 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 60.781913][ C0] !!! css_killed_ref_fn css ffff888110da7000 !!! [ 60.788263][ T425] Modules linked in: [ 60.792178][ T425] CPU: 0 PID: 425 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 60.803725][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.814124][ T425] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 60.820124][ T425] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 60.839872][ T425] RSP: 0018:ffffc90000d77dd0 EFLAGS: 00010293 [ 60.846305][ T425] RAX: ffffffff81af040c RBX: ffff88810ff81160 RCX: ffff888108130000 [ 60.854874][ T425] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 60.863059][ T425] RBP: ffffc90000d77e40 R08: ffffffff81af0137 R09: fffff520001aefb2 [ 60.871682][ T425] R10: fffff520001aefb2 R11: 1ffff920001aefb1 R12: dffffc0000000000 [ 60.879658][ T425] R13: ffff88810ff81080 R14: 00000000ffffffff R15: 0000000000000000 [ 60.887793][ T425] FS: 0000555556480400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 60.897239][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.904823][ T425] CR2: 0000555556489b38 CR3: 0000000102ad5000 CR4: 00000000003506b0 [ 60.913407][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.921571][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.929620][ T425] Call Trace: [ 60.932943][ T425] path_umount+0x1ad/0xed0 [ 60.937454][ T425] __x64_sys_umount+0xe8/0x110 [ 60.942273][ T425] do_syscall_64+0x34/0x70 [ 60.946726][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.953002][ T425] RIP: 0033:0x7fe496c3b557 [ 60.957598][ T425] 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 [ 60.978649][ T425] RSP: 002b:00007fff13b778e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 60.987777][ T425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe496c3b557 [ 60.995969][ T425] RDX: 00007fff13b779b9 RSI: 000000000000000a RDI: 00007fff13b779b0 [ 61.003984][ T425] RBP: 00007fff13b779b0 R08: 00000000ffffffff R09: 00007fff13b77780 [ 61.012011][ T425] R10: 0000555556481ba3 R11: 0000000000000246 R12: 00007fe496c931f8 [ 61.020153][ T425] R13: 00007fff13b78a70 R14: 0000555556481b00 R15: 00007fff13b78ab0 [ 61.028336][ T425] ---[ end trace 3a08363c28c4e37b ]--- [ 61.034029][ T388] !!! css_release css ffff888110da7000 !!! [ 61.040009][ T388] !!! css_put is zero set CSS_NO_REF css ffff888110da7000 !!! [ 61.048705][ C0] !!! css_killed_ref_fn css ffff88810f898800 !!! [ 61.055149][ C0] !!! css_killed_ref_fn css ffff88810f899800 !!! [ 61.061544][ T388] !!! css_release css ffff88810f898800 !!! [ 61.067523][ T388] !!! css_put is zero set CSS_NO_REF css ffff88810f898800 !!! [ 61.075436][ T5] !!! css_release css ffff88810f899800 !!! [ 61.082153][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810f899800 !!! [ 61.089661][ T612] !!! css_create !!! [ 61.093705][ T612] !!! css_create !!! [ 61.097822][ T612] !!! css_create !!! [ 61.101989][ T612] FAULT_INJECTION: forcing a failure. [ 61.101989][ T612] name failslab, interval 1, probability 0, space 0, times 0 [ 61.115834][ T612] CPU: 0 PID: 612 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 61.128106][ T612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.138722][ T612] Call Trace: [ 61.142166][ T612] dump_stack+0x19c/0x1e2 [ 61.146494][ T612] should_fail+0x3f7/0x5b0 [ 61.150910][ T612] __should_failslab+0xd2/0x130 [ 61.156094][ T612] should_failslab+0x9/0x20 [ 61.160781][ T612] slab_pre_alloc_hook+0x25/0xe0 [ 61.165727][ T612] kmem_cache_alloc_trace+0x47/0x2b0 [ 61.171230][ T612] ? percpu_ref_init+0xd0/0x330 [ 61.176239][ T612] percpu_ref_init+0xd0/0x330 [ 61.181590][ T612] ? cgroup_setup_root+0x8a0/0x8a0 [ 61.186962][ T612] cgroup_apply_control_enable+0x49f/0xfc0 [ 61.192930][ T612] cgroup_apply_control+0x36/0x710 [ 61.198015][ T612] ? init_wait_entry+0xe0/0xe0 [ 61.202857][ T612] ? cgroup_kn_lock_live+0x1af/0x370 [ 61.208302][ T612] cgroup_subtree_control_write+0xd05/0x12d0 [ 61.214254][ T612] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 61.220554][ T612] cgroup_file_write+0x22f/0x4f0 [ 61.226001][ T612] kernfs_fop_write_iter+0x2cd/0x410 [ 61.231354][ T612] ? cgroup_seqfile_stop+0xc0/0xc0 [ 61.236470][ T612] vfs_write+0xb57/0xe50 [ 61.240893][ T612] ksys_write+0x157/0x260 [ 61.245208][ T612] __x64_sys_write+0x7b/0x90 [ 61.250315][ T612] do_syscall_64+0x34/0x70 [ 61.256020][ T612] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.262156][ T612] RIP: 0033:0x7fd11bd980e9 [ 61.266547][ T612] 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 [ 61.286300][ T612] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.294863][ T612] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 61.302839][ T612] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 61.310849][ T612] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 61.319843][ T612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.327895][ T612] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 61.336145][ T612] !!! cgroup_apply_control_disable [ 61.341443][ T612] !!! cgroup_apply_control_disable kill_css ffff888110ddf800 [ 61.348907][ T612] !!! cgroup_apply_control_disable kill_css ffff888110dddc00 [ 61.357895][ T422] ------------[ cut here ]------------ [ 61.363486][ T422] WARNING: CPU: 1 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 61.372491][ T422] Modules linked in: [ 61.376654][ T422] CPU: 1 PID: 422 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 61.388394][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.398628][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 61.404432][ T422] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 61.424078][ T422] RSP: 0018:ffffc90000d47d58 EFLAGS: 00010293 [ 61.430285][ T422] RAX: ffffffff81af040c RBX: ffff88810ff80560 RCX: ffff88810537adc0 [ 61.438289][ T422] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 61.446313][ T422] RBP: ffffc90000d47dc8 R08: ffffffff81af0137 R09: fffff520001a8fa3 [ 61.454401][ T422] R10: fffff520001a8fa3 R11: 1ffff920001a8fa2 R12: dffffc0000000000 [ 61.462392][ T422] R13: ffff88810ff80480 R14: 00000000ffffffff R15: 0000000000000000 [ 61.470344][ T422] FS: 0000555556e01400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 61.479267][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.485856][ T422] CR2: 00007ffc6401fd3c CR3: 0000000116d4a000 CR4: 00000000003506a0 [ 61.493837][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.501933][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.510001][ T422] Call Trace: [ 61.513307][ T422] ? shrink_dentry_list+0x4eb/0x500 [ 61.518515][ T422] ? up_write+0x68/0x140 [ 61.522794][ T422] namespace_unlock+0x377/0x420 [ 61.527985][ T422] path_umount+0xe23/0xed0 [ 61.532432][ T422] __x64_sys_umount+0xe8/0x110 [ 61.537373][ T422] do_syscall_64+0x34/0x70 [ 61.541841][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.548112][ T422] RIP: 0033:0x7fd11bd99557 [ 61.552648][ T422] 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 [ 61.572622][ T422] RSP: 002b:00007ffc6401fd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 61.581437][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd11bd99557 [ 61.589418][ T422] RDX: 00007ffc6401fdea RSI: 000000000000000a RDI: 00007ffc6401fde0 [ 61.597426][ T422] RBP: 00007ffc6401fde0 R08: 00000000ffffffff R09: 00007ffc6401fbb0 [ 61.605455][ T422] R10: 0000555556e02ba3 R11: 0000000000000246 R12: 00007fd11bdf11f8 [ 61.613472][ T422] R13: 00007ffc64020ea0 R14: 0000555556e02b00 R15: 00007ffc64020ee0 [ 61.621465][ T422] ---[ end trace 3a08363c28c4e37c ]--- [ 61.627166][ T422] ------------[ cut here ]------------ [ 61.632691][ T422] WARNING: CPU: 0 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 61.635741][ C1] !!! css_killed_ref_fn css ffff888110ddf800 !!! [ 61.641616][ T422] Modules linked in: [ 61.648107][ T445] !!! css_release css ffff888110ddf800 !!! [ 61.651910][ T422] CPU: 0 PID: 422 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 61.658264][ T445] !!! css_put is zero set CSS_NO_REF css ffff888110ddf800 !!! [ 61.669268][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.669287][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 61.669306][ T422] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 61.712169][ T422] RSP: 0018:ffffc90000d47dd0 EFLAGS: 00010293 [ 61.718219][ T422] RAX: ffffffff81af040c RBX: ffff88810ff80560 RCX: ffff88810537adc0 [ 61.726197][ T422] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 61.734159][ T422] RBP: ffffc90000d47e40 R08: ffffffff81af0137 R09: fffff520001a8fb2 [ 61.742476][ T422] R10: fffff520001a8fb2 R11: 1ffff920001a8fb1 R12: dffffc0000000000 [ 61.750514][ T422] R13: ffff88810ff80480 R14: 00000000fffffffe R15: 0000000000000000 [ 61.758513][ T422] FS: 0000555556e01400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 61.767436][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.774025][ T422] CR2: 00007fe496bafff8 CR3: 0000000116d4a000 CR4: 00000000003506b0 [ 61.782001][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.790173][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.798160][ T422] Call Trace: [ 61.801477][ T422] path_umount+0x1ad/0xed0 [ 61.805900][ T422] __x64_sys_umount+0xe8/0x110 [ 61.810670][ T422] do_syscall_64+0x34/0x70 [ 61.815096][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.820972][ T422] RIP: 0033:0x7fd11bd99557 [ 61.825420][ T422] 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 [ 61.845364][ T422] RSP: 002b:00007ffc6401fd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 61.853786][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd11bd99557 [ 61.861837][ T422] RDX: 00007ffc6401fdea RSI: 000000000000000a RDI: 00007ffc6401fde0 [ 61.869811][ T422] RBP: 00007ffc6401fde0 R08: 00000000ffffffff R09: 00007ffc6401fbb0 [ 61.877981][ T422] R10: 0000555556e02ba3 R11: 0000000000000246 R12: 00007fd11bdf11f8 [ 61.885974][ T422] R13: 00007ffc64020ea0 R14: 0000555556e02b00 R15: 00007ffc64020ee0 [ 61.893973][ T422] ---[ end trace 3a08363c28c4e37d ]--- [ 61.904359][ C1] !!! css_killed_ref_fn css ffff888110dddc00 !!! [ 61.910777][ T445] !!! css_release css ffff888110dddc00 !!! [ 61.916971][ T445] !!! css_put is zero set CSS_NO_REF css ffff888110dddc00 !!! [ 61.924933][ T627] !!! css_create !!! [ 61.929104][ T627] !!! css_create !!! [ 61.934829][ T627] !!! css_create !!! [ 61.938805][ T627] FAULT_INJECTION: forcing a failure. [ 61.938805][ T627] name failslab, interval 1, probability 0, space 0, times 0 [ 61.951610][ T627] CPU: 1 PID: 627 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 61.963197][ T627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.973712][ T627] Call Trace: [ 61.977105][ T627] dump_stack+0x19c/0x1e2 [ 61.981437][ T627] should_fail+0x3f7/0x5b0 [ 61.986030][ T627] __should_failslab+0xd2/0x130 [ 61.990881][ T627] should_failslab+0x9/0x20 [ 61.995446][ T627] slab_pre_alloc_hook+0x25/0xe0 [ 62.002100][ T627] ? __kernfs_new_node+0x4c/0x6d0 [ 62.007927][ T627] __kmalloc_track_caller+0x70/0x300 [ 62.013260][ T627] ? __kernfs_new_node+0x4c/0x6d0 [ 62.018367][ T627] kstrdup_const+0x55/0x90 [ 62.022895][ T627] __kernfs_new_node+0x4c/0x6d0 [ 62.027741][ T627] ? string+0x29f/0x2b0 [ 62.031889][ T627] ? vsnprintf+0x1a6c/0x1b30 [ 62.036595][ T627] kernfs_new_node+0x97/0x170 [ 62.041263][ T627] __kernfs_create_file+0x4a/0x270 [ 62.046371][ T627] cgroup_addrm_files+0x99e/0xeb0 [ 62.051424][ T627] ? delete_node+0x747/0x7a0 [ 62.056012][ T627] css_populate_dir+0x137/0x370 [ 62.060836][ T627] cgroup_apply_control_enable+0x31e/0xfc0 [ 62.066709][ T627] cgroup_apply_control+0x36/0x710 [ 62.071809][ T627] ? init_wait_entry+0xe0/0xe0 [ 62.076564][ T627] ? cgroup_kn_lock_live+0x1af/0x370 [ 62.082095][ T627] cgroup_subtree_control_write+0xd05/0x12d0 [ 62.088065][ T627] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 62.094117][ T627] cgroup_file_write+0x22f/0x4f0 [ 62.099045][ T627] kernfs_fop_write_iter+0x2cd/0x410 [ 62.104526][ T627] ? cgroup_seqfile_stop+0xc0/0xc0 [ 62.109637][ T627] vfs_write+0xb57/0xe50 [ 62.113873][ T627] ksys_write+0x157/0x260 [ 62.118268][ T627] __x64_sys_write+0x7b/0x90 [ 62.122959][ T627] do_syscall_64+0x34/0x70 [ 62.127356][ T627] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.133220][ T627] RIP: 0033:0x7fce14ce20e9 [ 62.137615][ T627] 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 [ 62.157929][ T627] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.166325][ T627] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 62.174273][ T627] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 62.182236][ T627] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 62.190278][ T627] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.198232][ T627] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 62.206835][ T627] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 62.215072][ T627] !!! cgroup_apply_control_disable [ 62.220217][ T627] !!! cgroup_apply_control_disable kill_css ffff8881112ca800 2022/05/31 18:33:04 executed programs: 63 [ 62.227692][ T627] !!! cgroup_apply_control_disable kill_css ffff8881112cc400 [ 62.235148][ T627] !!! cgroup_apply_control_disable kill_css ffff8881112cdc00 [ 62.261159][ C1] !!! css_killed_ref_fn css ffff8881112ca800 !!! [ 62.267663][ T445] !!! css_release css ffff8881112ca800 !!! [ 62.273538][ T445] !!! css_put is zero set CSS_NO_REF css ffff8881112ca800 !!! [ 62.281143][ C0] !!! css_killed_ref_fn css ffff8881112cc400 !!! [ 62.281162][ C1] !!! css_killed_ref_fn css ffff8881112cdc00 !!! [ 62.287744][ T107] !!! css_release css ffff8881112cc400 !!! [ 62.299698][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881112cc400 !!! [ 62.307480][ T445] !!! css_release css ffff8881112cdc00 !!! [ 62.313414][ T445] !!! css_put is zero set CSS_NO_REF css ffff8881112cdc00 !!! [ 62.320954][ T637] !!! css_create !!! [ 62.325098][ T637] !!! css_create !!! [ 62.329242][ T637] !!! css_create !!! [ 62.333590][ T637] FAULT_INJECTION: forcing a failure. [ 62.333590][ T637] name failslab, interval 1, probability 0, space 0, times 0 [ 62.347124][ T637] CPU: 1 PID: 637 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 62.358651][ T637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.368704][ T637] Call Trace: [ 62.371980][ T637] dump_stack+0x19c/0x1e2 [ 62.376284][ T637] should_fail+0x3f7/0x5b0 [ 62.380695][ T637] __should_failslab+0xd2/0x130 [ 62.385535][ T637] should_failslab+0x9/0x20 [ 62.390010][ T637] slab_pre_alloc_hook+0x25/0xe0 [ 62.394920][ T637] ? __kernfs_new_node+0x4c/0x6d0 [ 62.399921][ T637] __kmalloc_track_caller+0x70/0x300 [ 62.405186][ T637] ? __kernfs_new_node+0x4c/0x6d0 [ 62.410183][ T637] kstrdup_const+0x55/0x90 [ 62.414616][ T637] __kernfs_new_node+0x4c/0x6d0 [ 62.419785][ T637] ? string+0x29f/0x2b0 [ 62.424128][ T637] ? vsnprintf+0x1a6c/0x1b30 [ 62.428715][ T637] kernfs_new_node+0x97/0x170 [ 62.433399][ T637] __kernfs_create_file+0x4a/0x270 [ 62.438488][ T637] cgroup_addrm_files+0x99e/0xeb0 [ 62.443496][ T637] ? delete_node+0x747/0x7a0 [ 62.448062][ T637] css_populate_dir+0x137/0x370 [ 62.452902][ T637] cgroup_apply_control_enable+0x31e/0xfc0 [ 62.458689][ T637] cgroup_apply_control+0x36/0x710 [ 62.463777][ T637] ? init_wait_entry+0xe0/0xe0 [ 62.468534][ T637] ? cgroup_kn_lock_live+0x1af/0x370 [ 62.473822][ T637] cgroup_subtree_control_write+0xd05/0x12d0 [ 62.479803][ T637] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 62.485760][ T637] cgroup_file_write+0x22f/0x4f0 [ 62.490727][ T637] kernfs_fop_write_iter+0x2cd/0x410 [ 62.496022][ T637] ? cgroup_seqfile_stop+0xc0/0xc0 [ 62.501404][ T637] vfs_write+0xb57/0xe50 [ 62.505777][ T637] ksys_write+0x157/0x260 [ 62.510091][ T637] __x64_sys_write+0x7b/0x90 [ 62.514855][ T637] do_syscall_64+0x34/0x70 [ 62.519256][ T637] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.525125][ T637] RIP: 0033:0x7fce14ce20e9 [ 62.529520][ T637] 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 [ 62.549241][ T637] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.557633][ T637] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 62.565577][ T637] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 62.573537][ T637] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 62.581502][ T637] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.589577][ T637] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 62.597721][ T637] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 62.604852][ T637] !!! cgroup_apply_control_disable [ 62.609989][ T637] !!! cgroup_apply_control_disable kill_css ffff888111333400 [ 62.617588][ T637] !!! cgroup_apply_control_disable kill_css ffff888111333000 [ 62.625407][ T637] !!! cgroup_apply_control_disable kill_css ffff888111332000 [ 62.643833][ C0] !!! css_killed_ref_fn css ffff888111333400 !!! [ 62.650529][ T107] !!! css_release css ffff888111333400 !!! [ 62.656631][ C0] !!! css_killed_ref_fn css ffff888111333000 !!! [ 62.656639][ C0] !!! css_killed_ref_fn css ffff888111332000 !!! [ 62.671287][ T107] !!! css_put is zero set CSS_NO_REF css ffff888111333400 !!! [ 62.679344][ T5] !!! css_release css ffff888111333000 !!! [ 62.685642][ T5] !!! css_put is zero set CSS_NO_REF css ffff888111333000 !!! [ 62.693548][ T107] !!! css_release css ffff888111332000 !!! [ 62.699548][ T107] !!! css_put is zero set CSS_NO_REF css ffff888111332000 !!! [ 62.707574][ T632] !!! css_create !!! [ 62.712098][ T632] !!! css_create !!! [ 62.716134][ T632] !!! css_create !!! [ 62.720117][ T632] FAULT_INJECTION: forcing a failure. [ 62.720117][ T632] name failslab, interval 1, probability 0, space 0, times 0 [ 62.732816][ T632] CPU: 1 PID: 632 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 62.744431][ T632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.754461][ T632] Call Trace: [ 62.757895][ T632] dump_stack+0x19c/0x1e2 [ 62.762197][ T632] should_fail+0x3f7/0x5b0 [ 62.766582][ T632] __should_failslab+0xd2/0x130 [ 62.771401][ T632] should_failslab+0x9/0x20 [ 62.775878][ T632] slab_pre_alloc_hook+0x25/0xe0 [ 62.780783][ T632] ? __kernfs_new_node+0x4c/0x6d0 [ 62.785780][ T632] __kmalloc_track_caller+0x70/0x300 [ 62.791057][ T632] ? __kernfs_new_node+0x4c/0x6d0 [ 62.796099][ T632] kstrdup_const+0x55/0x90 [ 62.800505][ T632] __kernfs_new_node+0x4c/0x6d0 [ 62.805415][ T632] ? string+0x29f/0x2b0 [ 62.809628][ T632] ? vsnprintf+0x1a6c/0x1b30 [ 62.814201][ T632] kernfs_new_node+0x97/0x170 [ 62.818872][ T632] __kernfs_create_file+0x4a/0x270 [ 62.823954][ T632] cgroup_addrm_files+0x99e/0xeb0 [ 62.828947][ T632] ? delete_node+0x747/0x7a0 [ 62.833506][ T632] css_populate_dir+0x137/0x370 [ 62.838327][ T632] cgroup_apply_control_enable+0x31e/0xfc0 [ 62.844104][ T632] cgroup_apply_control+0x36/0x710 [ 62.849184][ T632] ? init_wait_entry+0xe0/0xe0 [ 62.853916][ T632] ? cgroup_kn_lock_live+0x1af/0x370 [ 62.859171][ T632] cgroup_subtree_control_write+0xd05/0x12d0 [ 62.865134][ T632] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 62.871079][ T632] cgroup_file_write+0x22f/0x4f0 [ 62.875982][ T632] kernfs_fop_write_iter+0x2cd/0x410 [ 62.881235][ T632] ? cgroup_seqfile_stop+0xc0/0xc0 [ 62.886315][ T632] vfs_write+0xb57/0xe50 [ 62.890886][ T632] ksys_write+0x157/0x260 [ 62.895188][ T632] __x64_sys_write+0x7b/0x90 [ 62.899755][ T632] do_syscall_64+0x34/0x70 [ 62.904144][ T632] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.910007][ T632] RIP: 0033:0x7fe496c3a0e9 [ 62.914404][ T632] 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 [ 62.933994][ T632] RSP: 002b:00007fe496bb0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.942399][ T632] RAX: ffffffffffffffda RBX: 00007fe496d4cf60 RCX: 00007fe496c3a0e9 [ 62.950725][ T632] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 62.958694][ T632] RBP: 00007fe496bb01d0 R08: 0000000000000000 R09: 0000000000000000 [ 62.966649][ T632] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.974597][ T632] R13: 00007fff13b7878f R14: 00007fe496bb0300 R15: 0000000000022000 [ 62.983046][ T632] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 62.990323][ T632] !!! cgroup_apply_control_disable [ 62.995539][ T632] !!! cgroup_apply_control_disable kill_css ffff888110f25c00 [ 63.003197][ T632] !!! cgroup_apply_control_disable kill_css ffff888110f26800 [ 63.010625][ T632] !!! cgroup_apply_control_disable kill_css ffff888110f27c00 [ 63.061138][ C1] !!! css_killed_ref_fn css ffff888110f27c00 !!! [ 63.067756][ T19] !!! css_release css ffff888110f27c00 !!! [ 63.073619][ C0] !!! css_killed_ref_fn css ffff888110f25c00 !!! [ 63.073656][ T19] !!! css_put is zero set CSS_NO_REF css ffff888110f27c00 !!! [ 63.079948][ C0] !!! css_killed_ref_fn css ffff888110f26800 !!! [ 63.093937][ T107] !!! css_release css ffff888110f25c00 !!! [ 63.099961][ T107] !!! css_put is zero set CSS_NO_REF css ffff888110f25c00 !!! [ 63.107598][ T107] !!! css_release css ffff888110f26800 !!! [ 63.113497][ T107] !!! css_put is zero set CSS_NO_REF css ffff888110f26800 !!! [ 63.121059][ T609] !!! css_create !!! [ 63.125237][ T609] !!! css_create !!! [ 63.129478][ T609] !!! css_create !!! [ 63.133467][ T609] FAULT_INJECTION: forcing a failure. [ 63.133467][ T609] name failslab, interval 1, probability 0, space 0, times 0 [ 63.146116][ T609] CPU: 1 PID: 609 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 63.157750][ T609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.167960][ T609] Call Trace: [ 63.171254][ T609] dump_stack+0x19c/0x1e2 [ 63.175558][ T609] should_fail+0x3f7/0x5b0 [ 63.179951][ T609] __should_failslab+0xd2/0x130 [ 63.184791][ T609] should_failslab+0x9/0x20 [ 63.189298][ T609] slab_pre_alloc_hook+0x25/0xe0 [ 63.194216][ T609] kmem_cache_alloc_trace+0x47/0x2b0 [ 63.199615][ T609] ? percpu_ref_init+0xd0/0x330 [ 63.204460][ T609] percpu_ref_init+0xd0/0x330 [ 63.209124][ T609] ? cgroup_setup_root+0x8a0/0x8a0 [ 63.214227][ T609] cgroup_apply_control_enable+0x49f/0xfc0 [ 63.220031][ T609] cgroup_apply_control+0x36/0x710 [ 63.225177][ T609] ? init_wait_entry+0xe0/0xe0 [ 63.229950][ T609] ? cgroup_kn_lock_live+0x1af/0x370 [ 63.236318][ T609] cgroup_subtree_control_write+0xd05/0x12d0 [ 63.242289][ T609] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 63.248256][ T609] cgroup_file_write+0x22f/0x4f0 [ 63.253174][ T609] kernfs_fop_write_iter+0x2cd/0x410 [ 63.258440][ T609] ? cgroup_seqfile_stop+0xc0/0xc0 [ 63.263529][ T609] vfs_write+0xb57/0xe50 [ 63.268044][ T609] ksys_write+0x157/0x260 [ 63.272475][ T609] __x64_sys_write+0x7b/0x90 [ 63.277057][ T609] do_syscall_64+0x34/0x70 [ 63.281552][ T609] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.287429][ T609] RIP: 0033:0x7f9ada61d0e9 [ 63.291836][ T609] 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 [ 63.312743][ T609] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.321308][ T609] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 63.329594][ T609] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 63.337892][ T609] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 63.345924][ T609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.353872][ T609] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 63.362655][ T609] !!! cgroup_apply_control_disable [ 63.368334][ T609] !!! cgroup_apply_control_disable kill_css ffff888111332400 [ 63.376307][ T609] !!! cgroup_apply_control_disable kill_css ffff888111332c00 [ 63.386360][ T418] ------------[ cut here ]------------ [ 63.392053][ T418] WARNING: CPU: 1 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 63.401288][ T418] Modules linked in: [ 63.405181][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 63.416923][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.427186][ T418] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 63.433179][ T418] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 63.452958][ T418] RSP: 0018:ffffc90000ce7dd0 EFLAGS: 00010293 [ 63.459536][ T418] RAX: ffffffff81af040c RBX: ffff8881106b86e0 RCX: ffff888108262dc0 [ 63.467911][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 63.476091][ T418] RBP: ffffc90000ce7e40 R08: ffffffff81af0137 R09: fffff5200019cfb2 [ 63.484194][ T418] R10: fffff5200019cfb2 R11: 1ffff9200019cfb1 R12: dffffc0000000000 [ 63.491132][ C0] !!! css_killed_ref_fn css ffff888111332400 !!! [ 63.492355][ T418] R13: ffff8881106b8600 R14: 00000000ffffffff R15: 0000000000000000 [ 63.492374][ T418] FS: 000055555645f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 63.499257][ T107] !!! css_release css ffff888111332400 !!! [ 63.507178][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.507192][ T418] CR2: 00007fff13b789c8 CR3: 00000001093c0000 CR4: 00000000003506a0 [ 63.536885][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.538711][ T107] !!! css_put is zero set CSS_NO_REF css ffff888111332400 !!! [ 63.544917][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.544931][ T418] Call Trace: [ 63.563685][ T418] path_umount+0x1ad/0xed0 [ 63.568287][ T418] __x64_sys_umount+0xe8/0x110 [ 63.573102][ T418] do_syscall_64+0x34/0x70 [ 63.577595][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.583934][ T418] RIP: 0033:0x7f9ada61e557 [ 63.588340][ T418] 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 [ 63.608428][ T418] RSP: 002b:00007ffe7bfba128 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 63.617253][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ada61e557 [ 63.625232][ T418] RDX: 00007ffe7bfba1f9 RSI: 000000000000000a RDI: 00007ffe7bfba1f0 [ 63.633381][ T418] RBP: 00007ffe7bfba1f0 R08: 00000000ffffffff R09: 00007ffe7bfb9fc0 [ 63.641378][ T418] R10: 0000555556460ba3 R11: 0000000000000246 R12: 00007f9ada6761f8 [ 63.649418][ T418] R13: 00007ffe7bfbb2b0 R14: 0000555556460b00 R15: 00007ffe7bfbb2f0 [ 63.657490][ T418] ---[ end trace 3a08363c28c4e37e ]--- [ 63.663183][ T418] ------------[ cut here ]------------ [ 63.668729][ T418] WARNING: CPU: 0 PID: 418 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 63.677271][ C1] !!! css_killed_ref_fn css ffff888111332c00 !!! [ 63.677531][ T640] !!! css_create !!! [ 63.683748][ T418] Modules linked in: [ 63.687983][ T640] !!! css_create !!! [ 63.691777][ T418] CPU: 0 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 63.696727][ T640] !!! css_create !!! [ 63.707353][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.711392][ T640] FAULT_INJECTION: forcing a failure. [ 63.711392][ T640] name failslab, interval 1, probability 0, space 0, times 0 [ 63.721867][ T418] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 63.721877][ T418] Code: c9 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 6e 01 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 5b 01 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 ea 1f 86 80 e1 07 80 c1 03 38 c1 [ 63.721889][ T418] RSP: 0018:ffffc90000ce7e30 EFLAGS: 00010293 [ 63.735116][ T640] CPU: 1 PID: 640 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 63.740478][ T418] [ 63.760203][ T640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.760207][ T640] Call Trace: [ 63.760222][ T640] dump_stack+0x19c/0x1e2 [ 63.760232][ T640] should_fail+0x3f7/0x5b0 [ 63.760241][ T640] __should_failslab+0xd2/0x130 [ 63.760249][ T640] should_failslab+0x9/0x20 [ 63.760257][ T640] slab_pre_alloc_hook+0x25/0xe0 [ 63.760265][ T640] kmem_cache_alloc_trace+0x47/0x2b0 [ 63.760272][ T640] ? percpu_ref_init+0xd0/0x330 [ 63.760288][ T640] percpu_ref_init+0xd0/0x330 [ 63.768738][ T418] RAX: ffffffff81b00ed5 RBX: ffffe8ffffd4601c RCX: ffff888108262dc0 [ 63.780191][ T640] ? cgroup_setup_root+0x8a0/0x8a0 [ 63.780203][ T640] cgroup_apply_control_enable+0x49f/0xfc0 [ 63.780213][ T640] cgroup_apply_control+0x36/0x710 [ 63.780229][ T640] ? init_wait_entry+0xe0/0xe0 [ 63.782561][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 63.792831][ T640] ? cgroup_kn_lock_live+0x1af/0x370 [ 63.792841][ T640] cgroup_subtree_control_write+0xd05/0x12d0 [ 63.792856][ T640] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 63.796182][ T418] RBP: ffffc90000ce7e80 R08: ffffffff81b00bb3 R09: fffff5200019cfcd [ 63.800534][ T640] cgroup_file_write+0x22f/0x4f0 [ 63.800545][ T640] kernfs_fop_write_iter+0x2cd/0x410 [ 63.800561][ T640] ? cgroup_seqfile_stop+0xc0/0xc0 [ 63.804994][ T418] R10: fffff5200019cfcd R11: 1ffff9200019cfcc R12: ffff8881106b8648 [ 63.809805][ T640] vfs_write+0xb57/0xe50 [ 63.809818][ T640] ksys_write+0x157/0x260 [ 63.809837][ T640] __x64_sys_write+0x7b/0x90 [ 63.814501][ T418] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 63.819328][ T640] do_syscall_64+0x34/0x70 [ 63.819344][ T640] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.824636][ T418] FS: 000055555645f400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 63.829428][ T640] RIP: 0033:0x7fce14ce20e9 [ 63.829442][ T640] 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 [ 63.834109][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.842036][ T640] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.842049][ T640] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 63.842055][ T640] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 63.842066][ T640] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 63.847159][ T418] CR2: 00007fe496b8eff8 CR3: 00000001093c0000 CR4: 00000000003506b0 [ 63.852923][ T640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.852931][ T640] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 63.854620][ T640] !!! cgroup_apply_control_disable [ 63.858215][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.862994][ T640] !!! cgroup_apply_control_disable kill_css ffff88810fb05400 [ 63.870794][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.870805][ T418] Call Trace: [ 63.876288][ T640] !!! cgroup_apply_control_disable kill_css ffff88810fb01800 [ 63.882467][ T418] __cleanup_mnt+0x19/0x20 [ 64.096599][ T418] task_work_run+0x147/0x1b0 [ 64.102399][ T418] exit_to_user_mode_loop+0xc8/0xe0 [ 64.107640][ T418] syscall_exit_to_user_mode+0x77/0xa0 [ 64.113188][ C1] !!! css_killed_ref_fn css ffff88810fb05400 !!! [ 64.113205][ C1] !!! css_killed_ref_fn css ffff88810fb01800 !!! [ 64.125875][ T445] !!! css_release css ffff88810fb05400 !!! [ 64.125914][ T418] do_syscall_64+0x40/0x70 [ 64.131770][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810fb05400 !!! [ 64.136523][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.143647][ T445] !!! css_release css ffff88810fb01800 !!! [ 64.149861][ T418] RIP: 0033:0x7f9ada61e557 [ 64.155336][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810fb01800 !!! [ 64.155367][ T634] !!! css_create !!! [ 64.160157][ T418] 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 [ 64.167609][ T634] !!! css_create !!! [ 64.171224][ T418] RSP: 002b:00007ffe7bfba128 EFLAGS: 00000246 [ 64.191145][ T634] !!! css_create !!! [ 64.194785][ T418] ORIG_RAX: 00000000000000a6 [ 64.200840][ T634] FAULT_INJECTION: forcing a failure. [ 64.200840][ T634] name failslab, interval 1, probability 0, space 0, times 0 [ 64.204802][ T418] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9ada61e557 [ 64.209854][ T634] CPU: 1 PID: 634 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 64.222086][ T418] RDX: 00007ffe7bfba1f9 RSI: 000000000000000a RDI: 00007ffe7bfba1f0 [ 64.229974][ T634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.229980][ T634] Call Trace: [ 64.230003][ T634] dump_stack+0x19c/0x1e2 [ 64.230014][ T634] should_fail+0x3f7/0x5b0 [ 64.230036][ T634] __should_failslab+0xd2/0x130 [ 64.241656][ T418] RBP: 00007ffe7bfba1f0 R08: 00000000ffffffff R09: 00007ffe7bfb9fc0 [ 64.249501][ T634] should_failslab+0x9/0x20 [ 64.249509][ T634] slab_pre_alloc_hook+0x25/0xe0 [ 64.249523][ T634] ? __kernfs_new_node+0x4c/0x6d0 [ 64.259588][ T418] R10: 0000555556460ba3 R11: 0000000000000246 R12: 00007f9ada6761f8 [ 64.262806][ T634] __kmalloc_track_caller+0x70/0x300 [ 64.262816][ T634] ? __kernfs_new_node+0x4c/0x6d0 [ 64.262830][ T634] kstrdup_const+0x55/0x90 [ 64.267231][ T418] R13: 00007ffe7bfbb2b0 R14: 0000555556460b00 R15: 00007ffe7bfbb2f0 [ 64.271560][ T634] __kernfs_new_node+0x4c/0x6d0 [ 64.271569][ T634] ? string+0x29f/0x2b0 [ 64.271578][ T634] ? vsnprintf+0x1a6c/0x1b30 [ 64.271587][ T634] kernfs_new_node+0x97/0x170 [ 64.271596][ T634] __kernfs_create_file+0x4a/0x270 [ 64.271612][ T634] cgroup_addrm_files+0x99e/0xeb0 [ 64.276455][ T418] ---[ end trace 3a08363c28c4e37f ]--- [ 64.284380][ T634] ? delete_node+0x747/0x7a0 [ 64.284392][ T634] css_populate_dir+0x137/0x370 [ 64.284401][ T634] cgroup_apply_control_enable+0x31e/0xfc0 [ 64.284410][ T634] cgroup_apply_control+0x36/0x710 [ 64.284424][ T634] ? init_wait_entry+0xe0/0xe0 [ 64.388250][ T634] ? cgroup_kn_lock_live+0x1af/0x370 [ 64.393517][ T634] cgroup_subtree_control_write+0xd05/0x12d0 [ 64.399483][ T634] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 64.405434][ T634] cgroup_file_write+0x22f/0x4f0 [ 64.410344][ T634] kernfs_fop_write_iter+0x2cd/0x410 [ 64.415613][ T634] ? cgroup_seqfile_stop+0xc0/0xc0 [ 64.420696][ T634] vfs_write+0xb57/0xe50 [ 64.424913][ T634] ksys_write+0x157/0x260 [ 64.429216][ T634] __x64_sys_write+0x7b/0x90 [ 64.433787][ T634] do_syscall_64+0x34/0x70 [ 64.438210][ T634] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.444169][ T634] RIP: 0033:0x7fd11bd980e9 [ 64.448571][ T634] 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 [ 64.468257][ T634] RSP: 002b:00007fd11bd0e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.476659][ T634] RAX: ffffffffffffffda RBX: 00007fd11beaaf60 RCX: 00007fd11bd980e9 [ 64.484612][ T634] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 64.492568][ T634] RBP: 00007fd11bd0e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 64.500737][ T634] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 64.508705][ T634] R13: 00007ffc64020bbf R14: 00007fd11bd0e300 R15: 0000000000022000 [ 64.517019][ T634] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 64.524330][ T634] !!! cgroup_apply_control_disable [ 64.529491][ T634] !!! cgroup_apply_control_disable kill_css ffff888111742800 [ 64.536939][ T634] !!! cgroup_apply_control_disable kill_css ffff88811167cc00 [ 64.544424][ T634] !!! cgroup_apply_control_disable kill_css ffff88811167f800 [ 64.561129][ C1] !!! css_killed_ref_fn css ffff888111742800 !!! [ 64.581167][ C0] !!! css_killed_ref_fn css ffff88811167cc00 !!! [ 64.587707][ T5] !!! css_release css ffff88811167cc00 !!! [ 64.593914][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811167cc00 !!! [ 64.594142][ C1] !!! css_killed_ref_fn css ffff88811167f800 !!! [ 64.607776][ T19] !!! css_release css ffff88811167f800 !!! [ 64.613728][ T19] !!! css_put is zero set CSS_NO_REF css ffff88811167f800 !!! [ 64.621475][ T643] !!! css_create !!! [ 64.625463][ T643] !!! css_create !!! [ 64.629398][ T643] !!! css_create !!! [ 64.633374][ T643] FAULT_INJECTION: forcing a failure. [ 64.633374][ T643] name failslab, interval 1, probability 0, space 0, times 0 [ 64.646139][ T643] CPU: 0 PID: 643 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 64.657675][ T643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.667704][ T643] Call Trace: [ 64.670968][ T643] dump_stack+0x19c/0x1e2 [ 64.675285][ T643] should_fail+0x3f7/0x5b0 [ 64.679687][ T643] __should_failslab+0xd2/0x130 [ 64.684520][ T643] should_failslab+0x9/0x20 [ 64.689017][ T643] slab_pre_alloc_hook+0x25/0xe0 [ 64.693961][ T643] kmem_cache_alloc_trace+0x47/0x2b0 [ 64.699249][ T643] ? percpu_ref_init+0xd0/0x330 [ 64.704080][ T643] percpu_ref_init+0xd0/0x330 [ 64.708747][ T643] ? cgroup_setup_root+0x8a0/0x8a0 [ 64.713843][ T643] cgroup_apply_control_enable+0x49f/0xfc0 [ 64.719674][ T643] cgroup_apply_control+0x36/0x710 [ 64.724766][ T643] ? init_wait_entry+0xe0/0xe0 [ 64.729523][ T643] ? cgroup_kn_lock_live+0x1af/0x370 [ 64.734786][ T643] cgroup_subtree_control_write+0xd05/0x12d0 [ 64.740744][ T643] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 64.746693][ T643] cgroup_file_write+0x22f/0x4f0 [ 64.751618][ T643] kernfs_fop_write_iter+0x2cd/0x410 [ 64.756883][ T643] ? cgroup_seqfile_stop+0xc0/0xc0 [ 64.762055][ T643] vfs_write+0xb57/0xe50 [ 64.766272][ T643] ksys_write+0x157/0x260 [ 64.770574][ T643] __x64_sys_write+0x7b/0x90 [ 64.775158][ T643] do_syscall_64+0x34/0x70 [ 64.779712][ T643] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.785731][ T643] RIP: 0033:0x7fe496c3a0e9 [ 64.790155][ T643] 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 [ 64.810512][ T643] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.818913][ T643] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 64.826979][ T643] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 64.834946][ T643] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 64.843122][ T643] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 64.851073][ T643] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 64.859195][ T643] !!! cgroup_apply_control_disable [ 64.864373][ T643] !!! cgroup_apply_control_disable kill_css ffff88811132c000 [ 64.872219][ T643] !!! cgroup_apply_control_disable kill_css ffff88811132f000 [ 64.911175][ C0] !!! css_killed_ref_fn css ffff88811132c000 !!! [ 64.917547][ C0] !!! css_killed_ref_fn css ffff88811132f000 !!! [ 64.924021][ T107] !!! css_release css ffff88811132c000 !!! [ 64.929897][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811132c000 !!! [ 64.937710][ T107] !!! css_release css ffff88811132f000 !!! [ 64.943676][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811132f000 !!! [ 64.951202][ T654] !!! css_create !!! [ 64.955175][ T654] !!! css_create !!! [ 64.959117][ T654] !!! css_create !!! [ 64.963128][ T654] FAULT_INJECTION: forcing a failure. [ 64.963128][ T654] name failslab, interval 1, probability 0, space 0, times 0 [ 64.975858][ T654] CPU: 1 PID: 654 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 64.987384][ T654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.997413][ T654] Call Trace: [ 65.000676][ T654] dump_stack+0x19c/0x1e2 [ 65.004978][ T654] should_fail+0x3f7/0x5b0 [ 65.009365][ T654] __should_failslab+0xd2/0x130 [ 65.014187][ T654] should_failslab+0x9/0x20 [ 65.018663][ T654] slab_pre_alloc_hook+0x25/0xe0 [ 65.023573][ T654] kmem_cache_alloc_trace+0x47/0x2b0 [ 65.028945][ T654] ? percpu_ref_init+0xd0/0x330 [ 65.034010][ T654] percpu_ref_init+0xd0/0x330 [ 65.038668][ T654] ? cgroup_setup_root+0x8a0/0x8a0 [ 65.043771][ T654] cgroup_apply_control_enable+0x49f/0xfc0 [ 65.049556][ T654] cgroup_apply_control+0x36/0x710 [ 65.054642][ T654] ? init_wait_entry+0xe0/0xe0 [ 65.059535][ T654] ? cgroup_kn_lock_live+0x1af/0x370 [ 65.064803][ T654] cgroup_subtree_control_write+0xd05/0x12d0 [ 65.070784][ T654] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 65.077112][ T654] cgroup_file_write+0x22f/0x4f0 [ 65.082025][ T654] kernfs_fop_write_iter+0x2cd/0x410 [ 65.087310][ T654] ? cgroup_seqfile_stop+0xc0/0xc0 [ 65.092407][ T654] vfs_write+0xb57/0xe50 [ 65.096783][ T654] ksys_write+0x157/0x260 [ 65.101113][ T654] __x64_sys_write+0x7b/0x90 [ 65.105685][ T654] do_syscall_64+0x34/0x70 [ 65.110091][ T654] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.116037][ T654] RIP: 0033:0x7f9ada61d0e9 [ 65.120479][ T654] 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 [ 65.140066][ T654] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.148553][ T654] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 65.156504][ T654] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 65.164452][ T654] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 65.172415][ T654] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 65.180385][ T654] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 65.188582][ T654] !!! cgroup_apply_control_disable [ 65.193768][ T654] !!! cgroup_apply_control_disable kill_css ffff888111b23000 [ 65.201429][ T654] !!! cgroup_apply_control_disable kill_css ffff888111b22400 [ 65.291439][ C0] !!! css_killed_ref_fn css ffff888111b23000 !!! [ 65.297910][ C0] !!! css_killed_ref_fn css ffff888111b22400 !!! [ 65.304313][ T5] !!! css_release css ffff888111b23000 !!! [ 65.310112][ T5] !!! css_put is zero set CSS_NO_REF css ffff888111b23000 !!! [ 65.317837][ T5] !!! css_release css ffff888111b22400 !!! [ 65.323667][ T5] !!! css_put is zero set CSS_NO_REF css ffff888111b22400 !!! [ 65.331266][ T630] !!! css_create !!! [ 65.335258][ T630] !!! css_create !!! [ 65.339307][ T630] !!! css_create !!! [ 65.343305][ T630] FAULT_INJECTION: forcing a failure. [ 65.343305][ T630] name failslab, interval 1, probability 0, space 0, times 0 [ 65.356086][ T630] CPU: 0 PID: 630 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 65.367637][ T630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.377806][ T630] Call Trace: [ 65.381079][ T630] dump_stack+0x19c/0x1e2 [ 65.385390][ T630] should_fail+0x3f7/0x5b0 [ 65.389779][ T630] __should_failslab+0xd2/0x130 [ 65.394601][ T630] should_failslab+0x9/0x20 [ 65.399079][ T630] slab_pre_alloc_hook+0x25/0xe0 [ 65.404007][ T630] kmem_cache_alloc_trace+0x47/0x2b0 [ 65.409272][ T630] ? percpu_ref_init+0xd0/0x330 [ 65.414095][ T630] percpu_ref_init+0xd0/0x330 [ 65.418747][ T630] ? cgroup_setup_root+0x8a0/0x8a0 [ 65.423836][ T630] cgroup_apply_control_enable+0x49f/0xfc0 [ 65.429615][ T630] cgroup_apply_control+0x36/0x710 [ 65.434892][ T630] ? init_wait_entry+0xe0/0xe0 [ 65.439741][ T630] ? cgroup_kn_lock_live+0x1af/0x370 [ 65.445126][ T630] cgroup_subtree_control_write+0xd05/0x12d0 [ 65.451106][ T630] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 65.457073][ T630] cgroup_file_write+0x22f/0x4f0 [ 65.461994][ T630] kernfs_fop_write_iter+0x2cd/0x410 [ 65.467257][ T630] ? cgroup_seqfile_stop+0xc0/0xc0 [ 65.472440][ T630] vfs_write+0xb57/0xe50 [ 65.476680][ T630] ksys_write+0x157/0x260 [ 65.480997][ T630] __x64_sys_write+0x7b/0x90 [ 65.485564][ T630] do_syscall_64+0x34/0x70 [ 65.489955][ T630] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.495904][ T630] RIP: 0033:0x7f6f953440e9 [ 65.500293][ T630] 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 [ 65.519935][ T630] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.529470][ T630] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 65.537441][ T630] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 65.545397][ T630] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 65.553358][ T630] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 65.561461][ T630] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 65.569879][ T630] !!! cgroup_apply_control_disable [ 65.575039][ T630] !!! cgroup_apply_control_disable kill_css ffff8881106cc400 [ 65.582661][ T630] !!! cgroup_apply_control_disable kill_css ffff8881106cdc00 [ 65.621169][ C0] !!! css_killed_ref_fn css ffff8881106cc400 !!! [ 65.628306][ C0] !!! css_killed_ref_fn css ffff8881106cdc00 !!! [ 65.635356][ T5] !!! css_release css ffff8881106cc400 !!! [ 65.641840][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881106cc400 !!! [ 65.649413][ T5] !!! css_release css ffff8881106cdc00 !!! [ 65.655277][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881106cdc00 !!! [ 65.662813][ T624] !!! css_create !!! [ 65.666742][ T624] !!! css_create !!! [ 65.670682][ T624] !!! css_create !!! [ 65.674735][ T624] FAULT_INJECTION: forcing a failure. [ 65.674735][ T624] name failslab, interval 1, probability 0, space 0, times 0 [ 65.687577][ T624] CPU: 0 PID: 624 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 65.699088][ T624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.709347][ T624] Call Trace: [ 65.712807][ T624] dump_stack+0x19c/0x1e2 [ 65.717125][ T624] should_fail+0x3f7/0x5b0 [ 65.721516][ T624] __should_failslab+0xd2/0x130 [ 65.726352][ T624] should_failslab+0x9/0x20 [ 65.730860][ T624] slab_pre_alloc_hook+0x25/0xe0 [ 65.735782][ T624] kmem_cache_alloc_trace+0x47/0x2b0 [ 65.741052][ T624] ? percpu_ref_init+0xd0/0x330 [ 65.745891][ T624] percpu_ref_init+0xd0/0x330 [ 65.750551][ T624] ? cgroup_setup_root+0x8a0/0x8a0 [ 65.755642][ T624] cgroup_apply_control_enable+0x49f/0xfc0 [ 65.761420][ T624] cgroup_apply_control+0x36/0x710 [ 65.766513][ T624] ? init_wait_entry+0xe0/0xe0 [ 65.771270][ T624] ? cgroup_kn_lock_live+0x1af/0x370 [ 65.776549][ T624] cgroup_subtree_control_write+0xd05/0x12d0 [ 65.782522][ T624] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 65.788473][ T624] cgroup_file_write+0x22f/0x4f0 [ 65.793556][ T624] kernfs_fop_write_iter+0x2cd/0x410 [ 65.798823][ T624] ? cgroup_seqfile_stop+0xc0/0xc0 [ 65.803996][ T624] vfs_write+0xb57/0xe50 [ 65.808234][ T624] ksys_write+0x157/0x260 [ 65.812541][ T624] __x64_sys_write+0x7b/0x90 [ 65.817113][ T624] do_syscall_64+0x34/0x70 [ 65.821520][ T624] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.827396][ T624] RIP: 0033:0x7fd31cb190e9 [ 65.831797][ T624] 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 [ 65.851496][ T624] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.859895][ T624] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 65.867843][ T624] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 65.876050][ T624] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 65.884009][ T624] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 65.892067][ T624] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 65.900846][ T624] !!! cgroup_apply_control_disable [ 65.906093][ T624] !!! cgroup_apply_control_disable kill_css ffff8881106c9c00 [ 65.913527][ T624] !!! cgroup_apply_control_disable kill_css ffff88810fbc6000 [ 65.961129][ C0] !!! css_killed_ref_fn css ffff8881106c9c00 !!! [ 65.967497][ C0] !!! css_killed_ref_fn css ffff88810fbc6000 !!! [ 65.973928][ T5] !!! css_release css ffff8881106c9c00 !!! [ 65.980269][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881106c9c00 !!! [ 65.987825][ T5] !!! css_release css ffff88810fbc6000 !!! [ 65.993933][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fbc6000 !!! [ 66.001483][ T646] !!! css_create !!! [ 66.005433][ T646] !!! css_create !!! [ 66.009403][ T646] !!! css_create !!! [ 66.013411][ T646] FAULT_INJECTION: forcing a failure. [ 66.013411][ T646] name failslab, interval 1, probability 0, space 0, times 0 [ 66.026079][ T646] CPU: 0 PID: 646 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 66.037595][ T646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.047625][ T646] Call Trace: [ 66.050890][ T646] dump_stack+0x19c/0x1e2 [ 66.055201][ T646] should_fail+0x3f7/0x5b0 [ 66.059851][ T646] __should_failslab+0xd2/0x130 [ 66.064675][ T646] should_failslab+0x9/0x20 [ 66.069247][ T646] slab_pre_alloc_hook+0x25/0xe0 [ 66.074162][ T646] kmem_cache_alloc_trace+0x47/0x2b0 [ 66.079767][ T646] ? percpu_ref_init+0xd0/0x330 [ 66.084596][ T646] percpu_ref_init+0xd0/0x330 [ 66.090026][ T646] ? cgroup_setup_root+0x8a0/0x8a0 [ 66.095120][ T646] cgroup_apply_control_enable+0x49f/0xfc0 [ 66.100912][ T646] cgroup_apply_control+0x36/0x710 [ 66.105999][ T646] ? init_wait_entry+0xe0/0xe0 [ 66.110745][ T646] ? cgroup_kn_lock_live+0x1af/0x370 [ 66.116010][ T646] cgroup_subtree_control_write+0xd05/0x12d0 [ 66.121974][ T646] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 66.127928][ T646] cgroup_file_write+0x22f/0x4f0 [ 66.132842][ T646] kernfs_fop_write_iter+0x2cd/0x410 [ 66.138099][ T646] ? cgroup_seqfile_stop+0xc0/0xc0 [ 66.143191][ T646] vfs_write+0xb57/0xe50 [ 66.147431][ T646] ksys_write+0x157/0x260 [ 66.151747][ T646] __x64_sys_write+0x7b/0x90 [ 66.156341][ T646] do_syscall_64+0x34/0x70 [ 66.160764][ T646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.166660][ T646] RIP: 0033:0x7fce14ce20e9 [ 66.171074][ T646] 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 [ 66.190797][ T646] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.199414][ T646] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 66.207366][ T646] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 66.215326][ T646] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 66.223283][ T646] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.231247][ T646] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 66.239337][ T646] !!! cgroup_apply_control_disable [ 66.244611][ T646] !!! cgroup_apply_control_disable kill_css ffff88810fbc3800 [ 66.252226][ T646] !!! cgroup_apply_control_disable kill_css ffff88810fbc0c00 [ 66.281142][ C0] !!! css_killed_ref_fn css ffff88810fbc3800 !!! [ 66.287664][ C0] !!! css_killed_ref_fn css ffff88810fbc0c00 !!! [ 66.294077][ T5] !!! css_release css ffff88810fbc3800 !!! [ 66.299879][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fbc3800 !!! [ 66.307393][ T5] !!! css_release css ffff88810fbc0c00 !!! [ 66.313231][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fbc0c00 !!! [ 66.320929][ T664] !!! css_create !!! [ 66.324963][ T664] !!! css_create !!! [ 66.328927][ T664] !!! css_create !!! [ 66.332937][ T664] FAULT_INJECTION: forcing a failure. [ 66.332937][ T664] name failslab, interval 1, probability 0, space 0, times 0 [ 66.345795][ T664] CPU: 0 PID: 664 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 66.357508][ T664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.367546][ T664] Call Trace: [ 66.370814][ T664] dump_stack+0x19c/0x1e2 [ 66.375118][ T664] should_fail+0x3f7/0x5b0 [ 66.379509][ T664] __should_failslab+0xd2/0x130 [ 66.384359][ T664] should_failslab+0x9/0x20 [ 66.388835][ T664] slab_pre_alloc_hook+0x25/0xe0 [ 66.394830][ T664] ? __kernfs_new_node+0x4c/0x6d0 [ 66.399854][ T664] __kmalloc_track_caller+0x70/0x300 [ 66.405132][ T664] ? __kernfs_new_node+0x4c/0x6d0 [ 66.410245][ T664] kstrdup_const+0x55/0x90 [ 66.414638][ T664] __kernfs_new_node+0x4c/0x6d0 [ 66.419463][ T664] ? string+0x29f/0x2b0 [ 66.423595][ T664] ? vsnprintf+0x1a6c/0x1b30 [ 66.428175][ T664] kernfs_new_node+0x97/0x170 [ 66.432824][ T664] __kernfs_create_file+0x4a/0x270 [ 66.437915][ T664] cgroup_addrm_files+0x99e/0xeb0 [ 66.442920][ T664] ? delete_node+0x747/0x7a0 [ 66.447835][ T664] css_populate_dir+0x137/0x370 [ 66.452673][ T664] cgroup_apply_control_enable+0x31e/0xfc0 [ 66.458455][ T664] cgroup_apply_control+0x36/0x710 [ 66.463540][ T664] ? init_wait_entry+0xe0/0xe0 [ 66.468275][ T664] ? cgroup_kn_lock_live+0x1af/0x370 [ 66.473548][ T664] cgroup_subtree_control_write+0xd05/0x12d0 [ 66.479537][ T664] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 66.485541][ T664] cgroup_file_write+0x22f/0x4f0 [ 66.490506][ T664] kernfs_fop_write_iter+0x2cd/0x410 [ 66.495779][ T664] ? cgroup_seqfile_stop+0xc0/0xc0 [ 66.500875][ T664] vfs_write+0xb57/0xe50 [ 66.505113][ T664] ksys_write+0x157/0x260 [ 66.509429][ T664] __x64_sys_write+0x7b/0x90 [ 66.514005][ T664] do_syscall_64+0x34/0x70 [ 66.518398][ T664] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.527215][ T664] RIP: 0033:0x7fe496c3a0e9 [ 66.531609][ T664] 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 [ 66.551190][ T664] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.559594][ T664] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 66.567851][ T664] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 66.575807][ T664] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 66.583756][ T664] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.591736][ T664] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 66.601169][ T664] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 66.608326][ T664] !!! cgroup_apply_control_disable [ 66.613736][ T664] !!! cgroup_apply_control_disable kill_css ffff888111fbf800 [ 66.621264][ T664] !!! cgroup_apply_control_disable kill_css ffff888111fbc000 [ 66.629200][ T664] !!! cgroup_apply_control_disable kill_css ffff888111fbf000 [ 66.644247][ C0] !!! css_killed_ref_fn css ffff888111fbf800 !!! [ 66.650872][ T5] !!! css_release css ffff888111fbf800 !!! [ 66.657161][ C0] !!! css_killed_ref_fn css ffff888111fbf000 !!! [ 66.661137][ C1] !!! css_killed_ref_fn css ffff888111fbc000 !!! [ 66.663651][ T5] !!! css_put is zero set CSS_NO_REF css ffff888111fbf800 !!! [ 66.677415][ T5] !!! css_release css ffff888111fbf000 !!! [ 66.683424][ T5] !!! css_put is zero set CSS_NO_REF css ffff888111fbf000 !!! [ 66.691063][ T19] !!! css_release css ffff888111fbc000 !!! [ 66.696997][ T19] !!! css_put is zero set CSS_NO_REF css ffff888111fbc000 !!! [ 66.704657][ T666] !!! css_create !!! [ 66.708663][ T666] !!! css_create !!! [ 66.712693][ T666] !!! css_create !!! [ 66.716661][ T666] FAULT_INJECTION: forcing a failure. [ 66.716661][ T666] name failslab, interval 1, probability 0, space 0, times 0 [ 66.730115][ T666] CPU: 1 PID: 666 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 66.741639][ T666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.751667][ T666] Call Trace: [ 66.754930][ T666] dump_stack+0x19c/0x1e2 [ 66.759406][ T666] should_fail+0x3f7/0x5b0 [ 66.763794][ T666] __should_failslab+0xd2/0x130 [ 66.768639][ T666] should_failslab+0x9/0x20 [ 66.773732][ T666] slab_pre_alloc_hook+0x25/0xe0 [ 66.778661][ T666] ? __kernfs_new_node+0x4c/0x6d0 [ 66.783680][ T666] __kmalloc_track_caller+0x70/0x300 [ 66.788960][ T666] ? __kernfs_new_node+0x4c/0x6d0 [ 66.793959][ T666] kstrdup_const+0x55/0x90 [ 66.798351][ T666] __kernfs_new_node+0x4c/0x6d0 [ 66.803364][ T666] ? string+0x29f/0x2b0 [ 66.807512][ T666] ? vsnprintf+0x1a6c/0x1b30 [ 66.812096][ T666] kernfs_new_node+0x97/0x170 [ 66.816753][ T666] __kernfs_create_file+0x4a/0x270 [ 66.821836][ T666] cgroup_addrm_files+0x99e/0xeb0 [ 66.826845][ T666] ? delete_node+0x747/0x7a0 [ 66.831427][ T666] css_populate_dir+0x137/0x370 [ 66.836270][ T666] cgroup_apply_control_enable+0x31e/0xfc0 [ 66.842057][ T666] cgroup_apply_control+0x36/0x710 [ 66.847140][ T666] ? init_wait_entry+0xe0/0xe0 [ 66.851874][ T666] ? cgroup_kn_lock_live+0x1af/0x370 [ 66.857216][ T666] cgroup_subtree_control_write+0xd05/0x12d0 [ 66.863343][ T666] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 66.869293][ T666] cgroup_file_write+0x22f/0x4f0 [ 66.874208][ T666] kernfs_fop_write_iter+0x2cd/0x410 [ 66.879478][ T666] ? cgroup_seqfile_stop+0xc0/0xc0 [ 66.884620][ T666] vfs_write+0xb57/0xe50 [ 66.888895][ T666] ksys_write+0x157/0x260 [ 66.893209][ T666] __x64_sys_write+0x7b/0x90 [ 66.898075][ T666] do_syscall_64+0x34/0x70 [ 66.902472][ T666] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.908335][ T666] RIP: 0033:0x7fd31cb190e9 [ 66.912720][ T666] 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 [ 66.932323][ T666] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.940726][ T666] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 66.948690][ T666] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 66.956928][ T666] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 66.964881][ T666] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.972828][ T666] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 66.981188][ T666] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 66.988286][ T666] !!! cgroup_apply_control_disable [ 66.993473][ T666] !!! cgroup_apply_control_disable kill_css ffff88811206bc00 [ 67.000900][ T666] !!! cgroup_apply_control_disable kill_css ffff888112069800 [ 67.008387][ T666] !!! cgroup_apply_control_disable kill_css ffff888112068800 [ 67.021413][ C0] !!! css_killed_ref_fn css ffff88811206bc00 !!! [ 67.027865][ T5] !!! css_release css ffff88811206bc00 !!! [ 67.033701][ C0] !!! css_killed_ref_fn css ffff888112069800 !!! [ 67.033716][ C0] !!! css_killed_ref_fn css ffff888112068800 !!! [ 67.046441][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811206bc00 !!! [ 67.053958][ T5] !!! css_release css ffff888112069800 !!! [ 67.059747][ T5] !!! css_put is zero set CSS_NO_REF css ffff888112069800 !!! [ 67.067364][ T5] !!! css_release css ffff888112068800 !!! [ 67.073394][ T5] !!! css_put is zero set CSS_NO_REF css ffff888112068800 !!! [ 67.080924][ T665] !!! css_create !!! [ 67.084919][ T665] !!! css_create !!! [ 67.088913][ T665] !!! css_create !!! [ 67.092845][ T665] FAULT_INJECTION: forcing a failure. [ 67.092845][ T665] name failslab, interval 1, probability 0, space 0, times 0 [ 67.105434][ T665] CPU: 0 PID: 665 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 67.116965][ T665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.127280][ T665] Call Trace: [ 67.130553][ T665] dump_stack+0x19c/0x1e2 [ 67.134889][ T665] should_fail+0x3f7/0x5b0 [ 67.139286][ T665] __should_failslab+0xd2/0x130 [ 67.144116][ T665] should_failslab+0x9/0x20 [ 67.148743][ T665] slab_pre_alloc_hook+0x25/0xe0 [ 67.153664][ T665] ? __kernfs_new_node+0x4c/0x6d0 [ 67.158673][ T665] __kmalloc_track_caller+0x70/0x300 [ 67.164056][ T665] ? __kernfs_new_node+0x4c/0x6d0 [ 67.169169][ T665] kstrdup_const+0x55/0x90 [ 67.173581][ T665] __kernfs_new_node+0x4c/0x6d0 [ 67.178409][ T665] ? string+0x29f/0x2b0 [ 67.182540][ T665] ? vsnprintf+0x1a6c/0x1b30 [ 67.187112][ T665] kernfs_new_node+0x97/0x170 [ 67.191806][ T665] __kernfs_create_file+0x4a/0x270 [ 67.197025][ T665] cgroup_addrm_files+0x99e/0xeb0 [ 67.202040][ T665] ? delete_node+0x747/0x7a0 [ 67.206609][ T665] css_populate_dir+0x137/0x370 [ 67.211435][ T665] cgroup_apply_control_enable+0x31e/0xfc0 [ 67.217218][ T665] cgroup_apply_control+0x36/0x710 [ 67.222310][ T665] ? init_wait_entry+0xe0/0xe0 [ 67.227066][ T665] ? cgroup_kn_lock_live+0x1af/0x370 [ 67.232458][ T665] cgroup_subtree_control_write+0xd05/0x12d0 [ 67.238417][ T665] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 67.244390][ T665] cgroup_file_write+0x22f/0x4f0 [ 67.249304][ T665] kernfs_fop_write_iter+0x2cd/0x410 [ 67.254573][ T665] ? cgroup_seqfile_stop+0xc0/0xc0 [ 67.259653][ T665] vfs_write+0xb57/0xe50 [ 67.263868][ T665] ksys_write+0x157/0x260 [ 67.268433][ T665] __x64_sys_write+0x7b/0x90 [ 67.272994][ T665] do_syscall_64+0x34/0x70 [ 67.277384][ T665] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.283256][ T665] RIP: 0033:0x7f9ada61d0e9 [ 67.287645][ T665] 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 [ 67.307232][ T665] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.315633][ T665] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 67.323579][ T665] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 67.331527][ T665] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 67.339492][ T665] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 67.347443][ T665] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 67.356413][ T665] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 67.363492][ T665] !!! cgroup_apply_control_disable [ 67.368689][ T665] !!! cgroup_apply_control_disable kill_css ffff888111e0b000 [ 67.376129][ T665] !!! cgroup_apply_control_disable kill_css ffff888111e09c00 2022/05/31 18:33:09 executed programs: 77 [ 67.383556][ T665] !!! cgroup_apply_control_disable kill_css ffff888111e0b800 [ 67.401156][ C0] !!! css_killed_ref_fn css ffff888111e0b000 !!! [ 67.407745][ T5] !!! css_release css ffff888111e0b000 !!! [ 67.413631][ C0] !!! css_killed_ref_fn css ffff888111e09c00 !!! [ 67.413648][ C0] !!! css_killed_ref_fn css ffff888111e0b800 !!! [ 67.426607][ T5] !!! css_put is zero set CSS_NO_REF css ffff888111e0b000 !!! [ 67.434084][ T5] !!! css_release css ffff888111e09c00 !!! [ 67.439878][ T5] !!! css_put is zero set CSS_NO_REF css ffff888111e09c00 !!! [ 67.447496][ T5] !!! css_release css ffff888111e0b800 !!! [ 67.453314][ T5] !!! css_put is zero set CSS_NO_REF css ffff888111e0b800 !!! [ 67.460899][ T667] !!! css_create !!! [ 67.464951][ T667] !!! css_create !!! [ 67.468998][ T667] !!! css_create !!! [ 67.473036][ T667] FAULT_INJECTION: forcing a failure. [ 67.473036][ T667] name failslab, interval 1, probability 0, space 0, times 0 [ 67.486033][ T667] CPU: 1 PID: 667 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 67.497550][ T667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.507676][ T667] Call Trace: [ 67.510941][ T667] dump_stack+0x19c/0x1e2 [ 67.515243][ T667] should_fail+0x3f7/0x5b0 [ 67.519632][ T667] __should_failslab+0xd2/0x130 [ 67.524451][ T667] should_failslab+0x9/0x20 [ 67.528933][ T667] slab_pre_alloc_hook+0x25/0xe0 [ 67.533840][ T667] ? __kernfs_new_node+0x4c/0x6d0 [ 67.538832][ T667] __kmalloc_track_caller+0x70/0x300 [ 67.544085][ T667] ? __kernfs_new_node+0x4c/0x6d0 [ 67.549100][ T667] kstrdup_const+0x55/0x90 [ 67.553496][ T667] __kernfs_new_node+0x4c/0x6d0 [ 67.558317][ T667] ? string+0x29f/0x2b0 [ 67.562544][ T667] ? vsnprintf+0x1a6c/0x1b30 [ 67.567103][ T667] kernfs_new_node+0x97/0x170 [ 67.571747][ T667] __kernfs_create_file+0x4a/0x270 [ 67.576833][ T667] cgroup_addrm_files+0x99e/0xeb0 [ 67.581849][ T667] ? delete_node+0x747/0x7a0 [ 67.586427][ T667] css_populate_dir+0x137/0x370 [ 67.591250][ T667] cgroup_apply_control_enable+0x31e/0xfc0 [ 67.597135][ T667] cgroup_apply_control+0x36/0x710 [ 67.602228][ T667] ? init_wait_entry+0xe0/0xe0 [ 67.606984][ T667] ? cgroup_kn_lock_live+0x1af/0x370 [ 67.612271][ T667] cgroup_subtree_control_write+0xd05/0x12d0 [ 67.618256][ T667] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 67.624445][ T667] cgroup_file_write+0x22f/0x4f0 [ 67.629366][ T667] kernfs_fop_write_iter+0x2cd/0x410 [ 67.634625][ T667] ? cgroup_seqfile_stop+0xc0/0xc0 [ 67.639713][ T667] vfs_write+0xb57/0xe50 [ 67.643930][ T667] ksys_write+0x157/0x260 [ 67.648231][ T667] __x64_sys_write+0x7b/0x90 [ 67.652817][ T667] do_syscall_64+0x34/0x70 [ 67.657219][ T667] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.663206][ T667] RIP: 0033:0x7f6f953440e9 [ 67.667613][ T667] 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 [ 67.687510][ T667] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.695956][ T667] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 67.703906][ T667] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 67.711850][ T667] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 67.719796][ T667] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 67.727740][ T667] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 67.736330][ T667] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 67.743486][ T667] !!! cgroup_apply_control_disable [ 67.748736][ T667] !!! cgroup_apply_control_disable kill_css ffff88811217a000 [ 67.756455][ T667] !!! cgroup_apply_control_disable kill_css ffff88811210f400 [ 67.763942][ T667] !!! cgroup_apply_control_disable kill_css ffff88811210d400 [ 67.791262][ C1] !!! css_killed_ref_fn css ffff88811217a000 !!! [ 67.797636][ C1] !!! css_killed_ref_fn css ffff88811210f400 !!! [ 67.801110][ C0] !!! css_killed_ref_fn css ffff88811210d400 !!! [ 67.804135][ T19] !!! css_release css ffff88811217a000 !!! [ 67.816348][ T19] !!! css_put is zero set CSS_NO_REF css ffff88811217a000 !!! [ 67.824099][ T19] !!! css_release css ffff88811210f400 !!! [ 67.829902][ T19] !!! css_put is zero set CSS_NO_REF css ffff88811210f400 !!! [ 67.837506][ T5] !!! css_release css ffff88811210d400 !!! [ 67.843421][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811210d400 !!! [ 67.851123][ T670] !!! css_create !!! [ 67.855203][ T670] !!! css_create !!! [ 67.859175][ T670] !!! css_create !!! [ 67.863199][ T670] FAULT_INJECTION: forcing a failure. [ 67.863199][ T670] name failslab, interval 1, probability 0, space 0, times 0 [ 67.875873][ T670] CPU: 0 PID: 670 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 67.887558][ T670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.897775][ T670] Call Trace: [ 67.901041][ T670] dump_stack+0x19c/0x1e2 [ 67.905347][ T670] should_fail+0x3f7/0x5b0 [ 67.909766][ T670] __should_failslab+0xd2/0x130 [ 67.914730][ T670] should_failslab+0x9/0x20 [ 67.919214][ T670] slab_pre_alloc_hook+0x25/0xe0 [ 67.924123][ T670] ? __kernfs_new_node+0x4c/0x6d0 [ 67.929591][ T670] __kmalloc_track_caller+0x70/0x300 [ 67.934874][ T670] ? __kernfs_new_node+0x4c/0x6d0 [ 67.939902][ T670] kstrdup_const+0x55/0x90 [ 67.944301][ T670] __kernfs_new_node+0x4c/0x6d0 [ 67.949120][ T670] ? string+0x29f/0x2b0 [ 67.953244][ T670] ? vsnprintf+0x1a6c/0x1b30 [ 67.957800][ T670] kernfs_new_node+0x97/0x170 [ 67.962448][ T670] __kernfs_create_file+0x4a/0x270 [ 67.967959][ T670] cgroup_addrm_files+0x99e/0xeb0 [ 67.972977][ T670] ? delete_node+0x747/0x7a0 [ 67.977539][ T670] css_populate_dir+0x137/0x370 [ 67.982380][ T670] cgroup_apply_control_enable+0x31e/0xfc0 [ 67.988177][ T670] cgroup_apply_control+0x36/0x710 [ 67.993288][ T670] ? cgroup_subtree_control_write+0xb2f/0x12d0 [ 67.999422][ T670] cgroup_subtree_control_write+0xd05/0x12d0 [ 68.005374][ T670] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 68.011341][ T670] cgroup_file_write+0x22f/0x4f0 [ 68.016290][ T670] kernfs_fop_write_iter+0x2cd/0x410 [ 68.021558][ T670] ? cgroup_seqfile_stop+0xc0/0xc0 [ 68.026642][ T670] vfs_write+0xb57/0xe50 [ 68.030949][ T670] ksys_write+0x157/0x260 [ 68.035248][ T670] __x64_sys_write+0x7b/0x90 [ 68.039807][ T670] do_syscall_64+0x34/0x70 [ 68.044193][ T670] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.050057][ T670] RIP: 0033:0x7fce14ce20e9 [ 68.054646][ T670] 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 [ 68.074596][ T670] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.083008][ T670] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 68.090949][ T670] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 68.098927][ T670] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 68.106886][ T670] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 68.114846][ T670] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 68.123328][ T670] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 68.130564][ T670] !!! cgroup_apply_control_disable [ 68.135868][ T670] !!! cgroup_apply_control_disable kill_css ffff88811223c400 [ 68.143510][ T670] !!! cgroup_apply_control_disable kill_css ffff88811223dc00 [ 68.150978][ T670] !!! cgroup_apply_control_disable kill_css ffff88811223cc00 [ 68.181158][ C0] !!! css_killed_ref_fn css ffff88811223c400 !!! [ 68.187551][ C0] !!! css_killed_ref_fn css ffff88811223dc00 !!! [ 68.193886][ C0] !!! css_killed_ref_fn css ffff88811223cc00 !!! [ 68.200343][ T5] !!! css_release css ffff88811223c400 !!! [ 68.206428][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811223c400 !!! [ 68.214073][ T5] !!! css_release css ffff88811223dc00 !!! [ 68.220212][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811223dc00 !!! [ 68.227954][ T5] !!! css_release css ffff88811223cc00 !!! [ 68.234157][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811223cc00 !!! [ 68.241659][ T673] !!! css_create !!! [ 68.245655][ T673] !!! css_create !!! [ 68.249765][ T673] !!! css_create !!! [ 68.253779][ T673] FAULT_INJECTION: forcing a failure. [ 68.253779][ T673] name failslab, interval 1, probability 0, space 0, times 0 [ 68.266539][ T673] CPU: 1 PID: 673 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 68.278054][ T673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.288083][ T673] Call Trace: [ 68.291390][ T673] dump_stack+0x19c/0x1e2 [ 68.295697][ T673] should_fail+0x3f7/0x5b0 [ 68.300109][ T673] __should_failslab+0xd2/0x130 [ 68.305123][ T673] should_failslab+0x9/0x20 [ 68.309868][ T673] slab_pre_alloc_hook+0x25/0xe0 [ 68.314780][ T673] kmem_cache_alloc_trace+0x47/0x2b0 [ 68.320337][ T673] ? percpu_ref_init+0xd0/0x330 [ 68.325172][ T673] percpu_ref_init+0xd0/0x330 [ 68.330610][ T673] ? cgroup_setup_root+0x8a0/0x8a0 [ 68.335714][ T673] cgroup_apply_control_enable+0x49f/0xfc0 [ 68.341715][ T673] cgroup_apply_control+0x36/0x710 [ 68.346909][ T673] ? init_wait_entry+0xe0/0xe0 [ 68.351734][ T673] ? cgroup_kn_lock_live+0x1af/0x370 [ 68.356995][ T673] cgroup_subtree_control_write+0xd05/0x12d0 [ 68.362947][ T673] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 68.369047][ T673] cgroup_file_write+0x22f/0x4f0 [ 68.373967][ T673] kernfs_fop_write_iter+0x2cd/0x410 [ 68.379230][ T673] ? cgroup_seqfile_stop+0xc0/0xc0 [ 68.384313][ T673] vfs_write+0xb57/0xe50 [ 68.388592][ T673] ksys_write+0x157/0x260 [ 68.392911][ T673] __x64_sys_write+0x7b/0x90 [ 68.397527][ T673] do_syscall_64+0x34/0x70 [ 68.401926][ T673] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.408311][ T673] RIP: 0033:0x7fe496c3a0e9 [ 68.412714][ T673] 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 [ 68.432526][ T673] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.440929][ T673] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 68.448891][ T673] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 68.456855][ T673] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 68.464988][ T673] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 68.472976][ T673] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 68.482311][ T673] !!! cgroup_apply_control_disable [ 68.487444][ T673] !!! cgroup_apply_control_disable kill_css ffff8881120de400 [ 68.494877][ T673] !!! cgroup_apply_control_disable kill_css ffff8881120dec00 [ 68.531283][ C1] !!! css_killed_ref_fn css ffff8881120de400 !!! [ 68.537730][ C1] !!! css_killed_ref_fn css ffff8881120dec00 !!! [ 68.544246][ T19] !!! css_release css ffff8881120de400 !!! [ 68.550036][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881120de400 !!! [ 68.557677][ T19] !!! css_release css ffff8881120dec00 !!! [ 68.563566][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881120dec00 !!! [ 68.571156][ T682] !!! css_create !!! [ 68.575182][ T682] !!! css_create !!! [ 68.579131][ T682] !!! css_create !!! [ 68.583215][ T682] FAULT_INJECTION: forcing a failure. [ 68.583215][ T682] name failslab, interval 1, probability 0, space 0, times 0 [ 68.595889][ T682] CPU: 1 PID: 682 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 68.607423][ T682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.617761][ T682] Call Trace: [ 68.621038][ T682] dump_stack+0x19c/0x1e2 [ 68.625508][ T682] should_fail+0x3f7/0x5b0 [ 68.630220][ T682] __should_failslab+0xd2/0x130 [ 68.635261][ T682] should_failslab+0x9/0x20 [ 68.639879][ T682] slab_pre_alloc_hook+0x25/0xe0 [ 68.644983][ T682] kmem_cache_alloc_trace+0x47/0x2b0 [ 68.650408][ T682] ? percpu_ref_init+0xd0/0x330 [ 68.655266][ T682] percpu_ref_init+0xd0/0x330 [ 68.659928][ T682] ? cgroup_setup_root+0x8a0/0x8a0 [ 68.665021][ T682] cgroup_apply_control_enable+0x49f/0xfc0 [ 68.670800][ T682] cgroup_apply_control+0x36/0x710 [ 68.675900][ T682] ? init_wait_entry+0xe0/0xe0 [ 68.680636][ T682] ? cgroup_kn_lock_live+0x1af/0x370 [ 68.685980][ T682] cgroup_subtree_control_write+0xd05/0x12d0 [ 68.692040][ T682] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 68.698014][ T682] cgroup_file_write+0x22f/0x4f0 [ 68.702942][ T682] kernfs_fop_write_iter+0x2cd/0x410 [ 68.708214][ T682] ? cgroup_seqfile_stop+0xc0/0xc0 [ 68.713316][ T682] vfs_write+0xb57/0xe50 [ 68.717646][ T682] ksys_write+0x157/0x260 [ 68.722051][ T682] __x64_sys_write+0x7b/0x90 [ 68.726635][ T682] do_syscall_64+0x34/0x70 [ 68.731047][ T682] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.736923][ T682] RIP: 0033:0x7f6f953440e9 [ 68.741364][ T682] 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 [ 68.760972][ T682] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.769537][ T682] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 68.777493][ T682] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 68.785456][ T682] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 68.793425][ T682] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 68.801664][ T682] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 68.810116][ T682] !!! cgroup_apply_control_disable [ 68.815328][ T682] !!! cgroup_apply_control_disable kill_css ffff88811241bc00 [ 68.822856][ T682] !!! cgroup_apply_control_disable kill_css ffff888112419800 [ 68.871183][ C0] !!! css_killed_ref_fn css ffff88811241bc00 !!! [ 68.877602][ C0] !!! css_killed_ref_fn css ffff888112419800 !!! [ 68.884043][ T388] !!! css_release css ffff88811241bc00 !!! [ 68.889846][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811241bc00 !!! [ 68.897696][ T388] !!! css_release css ffff888112419800 !!! [ 68.903561][ T388] !!! css_put is zero set CSS_NO_REF css ffff888112419800 !!! [ 68.911045][ T676] !!! css_create !!! [ 68.915041][ T676] !!! css_create !!! [ 68.918980][ T676] !!! css_create !!! [ 68.923021][ T676] FAULT_INJECTION: forcing a failure. [ 68.923021][ T676] name failslab, interval 1, probability 0, space 0, times 0 [ 68.935645][ T676] CPU: 0 PID: 676 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 68.947154][ T676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.957196][ T676] Call Trace: [ 68.960481][ T676] dump_stack+0x19c/0x1e2 [ 68.964922][ T676] should_fail+0x3f7/0x5b0 [ 68.969333][ T676] __should_failslab+0xd2/0x130 [ 68.974171][ T676] should_failslab+0x9/0x20 [ 68.978671][ T676] slab_pre_alloc_hook+0x25/0xe0 [ 68.983684][ T676] ? __kernfs_new_node+0x4c/0x6d0 [ 68.988680][ T676] __kmalloc_track_caller+0x70/0x300 [ 68.994300][ T676] ? __kernfs_new_node+0x4c/0x6d0 [ 68.999305][ T676] kstrdup_const+0x55/0x90 [ 69.003695][ T676] __kernfs_new_node+0x4c/0x6d0 [ 69.008533][ T676] ? string+0x29f/0x2b0 [ 69.012662][ T676] ? vsnprintf+0x1a6c/0x1b30 [ 69.017225][ T676] kernfs_new_node+0x97/0x170 [ 69.021872][ T676] __kernfs_create_file+0x4a/0x270 [ 69.026969][ T676] cgroup_addrm_files+0x99e/0xeb0 [ 69.031986][ T676] ? delete_node+0x747/0x7a0 [ 69.036565][ T676] css_populate_dir+0x137/0x370 [ 69.041390][ T676] cgroup_apply_control_enable+0x31e/0xfc0 [ 69.047190][ T676] cgroup_apply_control+0x36/0x710 [ 69.052361][ T676] ? init_wait_entry+0xe0/0xe0 [ 69.057377][ T676] ? cgroup_kn_lock_live+0x1af/0x370 [ 69.062641][ T676] cgroup_subtree_control_write+0xd05/0x12d0 [ 69.068608][ T676] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 69.074560][ T676] cgroup_file_write+0x22f/0x4f0 [ 69.079557][ T676] kernfs_fop_write_iter+0x2cd/0x410 [ 69.084905][ T676] ? cgroup_seqfile_stop+0xc0/0xc0 [ 69.089995][ T676] vfs_write+0xb57/0xe50 [ 69.094215][ T676] ksys_write+0x157/0x260 [ 69.098535][ T676] __x64_sys_write+0x7b/0x90 [ 69.103105][ T676] do_syscall_64+0x34/0x70 [ 69.107539][ T676] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.113422][ T676] RIP: 0033:0x7fd31cb190e9 [ 69.117814][ T676] 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 [ 69.137404][ T676] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.145796][ T676] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 69.153918][ T676] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 69.161862][ T676] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 69.169915][ T676] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 69.177877][ T676] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 69.186964][ T676] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 69.194208][ T676] !!! cgroup_apply_control_disable [ 69.199351][ T676] !!! cgroup_apply_control_disable kill_css ffff8881123e6c00 [ 69.206791][ T676] !!! cgroup_apply_control_disable kill_css ffff8881123e5000 [ 69.214282][ T676] !!! cgroup_apply_control_disable kill_css ffff888112418c00 [ 69.241150][ C0] !!! css_killed_ref_fn css ffff8881123e6c00 !!! [ 69.247568][ T388] !!! css_release css ffff8881123e6c00 !!! [ 69.253401][ T388] !!! css_put is zero set CSS_NO_REF css ffff8881123e6c00 !!! [ 69.260907][ C0] !!! css_killed_ref_fn css ffff8881123e5000 !!! [ 69.267266][ C0] !!! css_killed_ref_fn css ffff888112418c00 !!! [ 69.273702][ T388] !!! css_release css ffff8881123e5000 !!! [ 69.279633][ T388] !!! css_put is zero set CSS_NO_REF css ffff8881123e5000 !!! [ 69.287212][ T388] !!! css_release css ffff888112418c00 !!! [ 69.293052][ T388] !!! css_put is zero set CSS_NO_REF css ffff888112418c00 !!! [ 69.300523][ T679] !!! css_create !!! [ 69.304633][ T679] !!! css_create !!! [ 69.308656][ T679] !!! css_create !!! [ 69.312660][ T679] FAULT_INJECTION: forcing a failure. [ 69.312660][ T679] name failslab, interval 1, probability 0, space 0, times 0 [ 69.325462][ T679] CPU: 1 PID: 679 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 69.336983][ T679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.347031][ T679] Call Trace: [ 69.350323][ T679] dump_stack+0x19c/0x1e2 [ 69.354807][ T679] should_fail+0x3f7/0x5b0 [ 69.359196][ T679] __should_failslab+0xd2/0x130 [ 69.364014][ T679] should_failslab+0x9/0x20 [ 69.368843][ T679] slab_pre_alloc_hook+0x25/0xe0 [ 69.373813][ T679] kmem_cache_alloc_trace+0x47/0x2b0 [ 69.379202][ T679] ? pids_css_alloc+0x4e/0x120 [ 69.384054][ T679] pids_css_alloc+0x4e/0x120 [ 69.388626][ T679] cgroup_apply_control_enable+0x44e/0xfc0 [ 69.394561][ T679] cgroup_apply_control+0x36/0x710 [ 69.399645][ T679] ? init_wait_entry+0xe0/0xe0 [ 69.404375][ T679] ? cgroup_kn_lock_live+0x1af/0x370 [ 69.409632][ T679] cgroup_subtree_control_write+0xd05/0x12d0 [ 69.415604][ T679] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 69.421566][ T679] cgroup_file_write+0x22f/0x4f0 [ 69.426478][ T679] kernfs_fop_write_iter+0x2cd/0x410 [ 69.431731][ T679] ? cgroup_seqfile_stop+0xc0/0xc0 [ 69.436812][ T679] vfs_write+0xb57/0xe50 [ 69.441022][ T679] ksys_write+0x157/0x260 [ 69.445320][ T679] __x64_sys_write+0x7b/0x90 [ 69.449907][ T679] do_syscall_64+0x34/0x70 [ 69.454304][ T679] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.460164][ T679] RIP: 0033:0x7f9ada61d0e9 [ 69.464588][ T679] 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 [ 69.484182][ T679] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.492571][ T679] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 69.500608][ T679] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 69.508550][ T679] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 69.516490][ T679] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 69.524431][ T679] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 69.532679][ T679] !!! cgroup_apply_control_disable [ 69.537904][ T679] !!! cgroup_apply_control_disable kill_css ffff888112446400 [ 69.545354][ T679] !!! cgroup_apply_control_disable kill_css ffff888112447000 [ 69.581147][ C1] !!! css_killed_ref_fn css ffff888112446400 !!! [ 69.587580][ T19] !!! css_release css ffff888112446400 !!! [ 69.593428][ T19] !!! css_put is zero set CSS_NO_REF css ffff888112446400 !!! [ 69.600942][ C1] !!! css_killed_ref_fn css ffff888112447000 !!! [ 69.607330][ T19] !!! css_release css ffff888112447000 !!! [ 69.613850][ T19] !!! css_put is zero set CSS_NO_REF css ffff888112447000 !!! [ 69.621581][ T685] !!! css_create !!! [ 69.625678][ T685] !!! css_create !!! [ 69.629919][ T685] !!! css_create !!! [ 69.634064][ T685] FAULT_INJECTION: forcing a failure. [ 69.634064][ T685] name failslab, interval 1, probability 0, space 0, times 0 [ 69.646807][ T685] CPU: 0 PID: 685 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 69.658337][ T685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.668389][ T685] Call Trace: [ 69.672159][ T685] dump_stack+0x19c/0x1e2 [ 69.676473][ T685] should_fail+0x3f7/0x5b0 [ 69.681572][ T685] __should_failslab+0xd2/0x130 [ 69.686511][ T685] should_failslab+0x9/0x20 [ 69.690998][ T685] slab_pre_alloc_hook+0x25/0xe0 [ 69.696022][ T685] ? __kernfs_new_node+0x4c/0x6d0 [ 69.701167][ T685] __kmalloc_track_caller+0x70/0x300 [ 69.706439][ T685] ? __kernfs_new_node+0x4c/0x6d0 [ 69.711588][ T685] kstrdup_const+0x55/0x90 [ 69.716006][ T685] __kernfs_new_node+0x4c/0x6d0 [ 69.720837][ T685] ? string+0x29f/0x2b0 [ 69.725210][ T685] ? vsnprintf+0x1a6c/0x1b30 [ 69.729878][ T685] kernfs_new_node+0x97/0x170 [ 69.734709][ T685] __kernfs_create_file+0x4a/0x270 [ 69.739801][ T685] cgroup_addrm_files+0x99e/0xeb0 [ 69.744799][ T685] ? delete_node+0x747/0x7a0 [ 69.749363][ T685] css_populate_dir+0x137/0x370 [ 69.754185][ T685] cgroup_apply_control_enable+0x31e/0xfc0 [ 69.759964][ T685] cgroup_apply_control+0x36/0x710 [ 69.765052][ T685] ? init_wait_entry+0xe0/0xe0 [ 69.769788][ T685] ? cgroup_kn_lock_live+0x1af/0x370 [ 69.775053][ T685] cgroup_subtree_control_write+0xd05/0x12d0 [ 69.781005][ T685] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 69.787050][ T685] cgroup_file_write+0x22f/0x4f0 [ 69.791960][ T685] kernfs_fop_write_iter+0x2cd/0x410 [ 69.797219][ T685] ? cgroup_seqfile_stop+0xc0/0xc0 [ 69.802334][ T685] vfs_write+0xb57/0xe50 [ 69.806556][ T685] ksys_write+0x157/0x260 [ 69.810877][ T685] __x64_sys_write+0x7b/0x90 [ 69.816016][ T685] do_syscall_64+0x34/0x70 [ 69.820579][ T685] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.826542][ T685] RIP: 0033:0x7fce14ce20e9 [ 69.830945][ T685] 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 [ 69.850542][ T685] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.858944][ T685] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 69.866905][ T685] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 69.874871][ T685] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 69.883154][ T685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 69.891231][ T685] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 69.899874][ T685] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 69.907176][ T685] !!! cgroup_apply_control_disable [ 69.912374][ T685] !!! cgroup_apply_control_disable kill_css ffff88811256f000 [ 69.920028][ T685] !!! cgroup_apply_control_disable kill_css ffff88811256e400 [ 69.927719][ T685] !!! cgroup_apply_control_disable kill_css ffff88811256d400 [ 69.941345][ C1] !!! css_killed_ref_fn css ffff88811256f000 !!! [ 69.947712][ C1] !!! css_killed_ref_fn css ffff88811256e400 !!! [ 69.954514][ T445] !!! css_release css ffff88811256f000 !!! [ 69.960318][ T445] !!! css_put is zero set CSS_NO_REF css ffff88811256f000 !!! [ 69.967906][ C1] !!! css_killed_ref_fn css ffff88811256d400 !!! [ 69.974291][ T445] !!! css_release css ffff88811256e400 !!! [ 69.980078][ T445] !!! css_put is zero set CSS_NO_REF css ffff88811256e400 !!! [ 69.988082][ T445] !!! css_release css ffff88811256d400 !!! [ 69.993968][ T445] !!! css_put is zero set CSS_NO_REF css ffff88811256d400 !!! [ 70.001700][ T655] !!! css_create !!! [ 70.005656][ T655] !!! css_create !!! [ 70.009593][ T655] !!! css_create !!! [ 70.013543][ T655] FAULT_INJECTION: forcing a failure. [ 70.013543][ T655] name failslab, interval 1, probability 0, space 0, times 0 [ 70.026299][ T655] CPU: 1 PID: 655 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 70.037968][ T655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.047997][ T655] Call Trace: [ 70.051257][ T655] dump_stack+0x19c/0x1e2 [ 70.055552][ T655] should_fail+0x3f7/0x5b0 [ 70.059936][ T655] __should_failslab+0xd2/0x130 [ 70.064752][ T655] should_failslab+0x9/0x20 [ 70.069239][ T655] slab_pre_alloc_hook+0x25/0xe0 [ 70.074174][ T655] kmem_cache_alloc_trace+0x47/0x2b0 [ 70.079613][ T655] ? percpu_ref_init+0xd0/0x330 [ 70.084456][ T655] percpu_ref_init+0xd0/0x330 [ 70.089389][ T655] ? cgroup_setup_root+0x8a0/0x8a0 [ 70.094482][ T655] cgroup_apply_control_enable+0x49f/0xfc0 [ 70.100280][ T655] cgroup_apply_control+0x36/0x710 [ 70.105726][ T655] ? init_wait_entry+0xe0/0xe0 [ 70.110473][ T655] ? cgroup_kn_lock_live+0x1af/0x370 [ 70.115801][ T655] cgroup_subtree_control_write+0xd05/0x12d0 [ 70.121762][ T655] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 70.127710][ T655] cgroup_file_write+0x22f/0x4f0 [ 70.132777][ T655] kernfs_fop_write_iter+0x2cd/0x410 [ 70.138040][ T655] ? cgroup_seqfile_stop+0xc0/0xc0 [ 70.143118][ T655] vfs_write+0xb57/0xe50 [ 70.147331][ T655] ksys_write+0x157/0x260 [ 70.151631][ T655] __x64_sys_write+0x7b/0x90 [ 70.156188][ T655] do_syscall_64+0x34/0x70 [ 70.160573][ T655] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.166434][ T655] RIP: 0033:0x7fd11bd980e9 [ 70.171273][ T655] 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 [ 70.190995][ T655] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.199701][ T655] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 70.207655][ T655] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 70.215611][ T655] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 70.223714][ T655] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 70.231667][ T655] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 70.240572][ T655] !!! cgroup_apply_control_disable [ 70.245694][ T655] !!! cgroup_apply_control_disable kill_css ffff888112930c00 [ 70.253147][ T655] !!! cgroup_apply_control_disable kill_css ffff88810d50ec00 [ 70.301128][ C1] !!! css_killed_ref_fn css ffff888112930c00 !!! [ 70.301134][ C0] !!! css_killed_ref_fn css ffff88810d50ec00 !!! [ 70.301469][ T107] !!! css_release css ffff88810d50ec00 !!! [ 70.320085][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d50ec00 !!! [ 70.328104][ T445] !!! css_release css ffff888112930c00 !!! [ 70.334407][ T445] !!! css_put is zero set CSS_NO_REF css ffff888112930c00 !!! [ 70.342152][ T703] !!! css_create !!! [ 70.346160][ T703] !!! css_create !!! [ 70.350121][ T703] !!! css_create !!! [ 70.354106][ T703] FAULT_INJECTION: forcing a failure. [ 70.354106][ T703] name failslab, interval 1, probability 0, space 0, times 0 [ 70.366854][ T703] CPU: 0 PID: 703 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 70.378714][ T703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.388761][ T703] Call Trace: [ 70.392056][ T703] dump_stack+0x19c/0x1e2 [ 70.396358][ T703] should_fail+0x3f7/0x5b0 [ 70.400764][ T703] __should_failslab+0xd2/0x130 [ 70.405721][ T703] should_failslab+0x9/0x20 [ 70.410239][ T703] slab_pre_alloc_hook+0x25/0xe0 [ 70.415165][ T703] kmem_cache_alloc_trace+0x47/0x2b0 [ 70.420448][ T703] ? pids_css_alloc+0x4e/0x120 [ 70.425312][ T703] pids_css_alloc+0x4e/0x120 [ 70.429903][ T703] cgroup_apply_control_enable+0x44e/0xfc0 [ 70.435824][ T703] cgroup_apply_control+0x36/0x710 [ 70.440932][ T703] ? init_wait_entry+0xe0/0xe0 [ 70.445677][ T703] ? cgroup_kn_lock_live+0x1af/0x370 [ 70.451054][ T703] cgroup_subtree_control_write+0xd05/0x12d0 [ 70.457032][ T703] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 70.463100][ T703] cgroup_file_write+0x22f/0x4f0 [ 70.468026][ T703] kernfs_fop_write_iter+0x2cd/0x410 [ 70.473343][ T703] ? cgroup_seqfile_stop+0xc0/0xc0 [ 70.478427][ T703] vfs_write+0xb57/0xe50 [ 70.482649][ T703] ksys_write+0x157/0x260 [ 70.486971][ T703] __x64_sys_write+0x7b/0x90 [ 70.491549][ T703] do_syscall_64+0x34/0x70 [ 70.495960][ T703] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.501833][ T703] RIP: 0033:0x7fd11bd980e9 [ 70.506240][ T703] 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 [ 70.525947][ T703] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.534356][ T703] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 70.542322][ T703] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 70.550268][ T703] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 70.558224][ T703] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 70.566283][ T703] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 70.574453][ T703] !!! cgroup_apply_control_disable [ 70.579680][ T703] !!! cgroup_apply_control_disable kill_css ffff8881125b8000 [ 70.587401][ T703] !!! cgroup_apply_control_disable kill_css ffff888112a00c00 [ 70.621132][ C1] !!! css_killed_ref_fn css ffff8881125b8000 !!! [ 70.627641][ T445] !!! css_release css ffff8881125b8000 !!! [ 70.633466][ C1] !!! css_killed_ref_fn css ffff888112a00c00 !!! [ 70.639942][ T445] !!! css_put is zero set CSS_NO_REF css ffff8881125b8000 !!! [ 70.648701][ T445] !!! css_release css ffff888112a00c00 !!! [ 70.655596][ T445] !!! css_put is zero set CSS_NO_REF css ffff888112a00c00 !!! [ 70.663305][ T702] !!! css_create !!! [ 70.667326][ T702] !!! css_create !!! [ 70.671494][ T702] !!! css_create !!! [ 70.675455][ T702] FAULT_INJECTION: forcing a failure. [ 70.675455][ T702] name failslab, interval 1, probability 0, space 0, times 0 [ 70.688274][ T702] CPU: 0 PID: 702 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 70.699809][ T702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.710032][ T702] Call Trace: [ 70.713304][ T702] dump_stack+0x19c/0x1e2 [ 70.717700][ T702] should_fail+0x3f7/0x5b0 [ 70.722099][ T702] __should_failslab+0xd2/0x130 [ 70.726938][ T702] should_failslab+0x9/0x20 [ 70.731519][ T702] slab_pre_alloc_hook+0x25/0xe0 [ 70.736439][ T702] ? __kernfs_new_node+0x4c/0x6d0 [ 70.741438][ T702] __kmalloc_track_caller+0x70/0x300 [ 70.746702][ T702] ? __kernfs_new_node+0x4c/0x6d0 [ 70.751801][ T702] kstrdup_const+0x55/0x90 [ 70.756198][ T702] __kernfs_new_node+0x4c/0x6d0 [ 70.761038][ T702] ? string+0x29f/0x2b0 [ 70.765173][ T702] ? vsnprintf+0x1a6c/0x1b30 [ 70.769736][ T702] kernfs_new_node+0x97/0x170 [ 70.774399][ T702] __kernfs_create_file+0x4a/0x270 [ 70.779491][ T702] cgroup_addrm_files+0x99e/0xeb0 [ 70.784497][ T702] ? delete_node+0x747/0x7a0 [ 70.789059][ T702] css_populate_dir+0x137/0x370 [ 70.793890][ T702] cgroup_apply_control_enable+0x31e/0xfc0 [ 70.799673][ T702] cgroup_apply_control+0x36/0x710 [ 70.804766][ T702] ? init_wait_entry+0xe0/0xe0 [ 70.809512][ T702] ? cgroup_kn_lock_live+0x1af/0x370 [ 70.814769][ T702] cgroup_subtree_control_write+0xd05/0x12d0 [ 70.820740][ T702] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 70.826693][ T702] cgroup_file_write+0x22f/0x4f0 [ 70.831611][ T702] kernfs_fop_write_iter+0x2cd/0x410 [ 70.836867][ T702] ? cgroup_seqfile_stop+0xc0/0xc0 [ 70.842075][ T702] vfs_write+0xb57/0xe50 [ 70.846304][ T702] ksys_write+0x157/0x260 [ 70.850607][ T702] __x64_sys_write+0x7b/0x90 [ 70.855173][ T702] do_syscall_64+0x34/0x70 [ 70.859652][ T702] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.865526][ T702] RIP: 0033:0x7fd31cb190e9 [ 70.869928][ T702] 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 [ 70.889531][ T702] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.897927][ T702] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 70.905890][ T702] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 70.913845][ T702] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 70.921793][ T702] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 70.929739][ T702] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 70.937949][ T702] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 70.945063][ T702] !!! cgroup_apply_control_disable [ 70.950193][ T702] !!! cgroup_apply_control_disable kill_css ffff888112c39800 [ 70.957709][ T702] !!! cgroup_apply_control_disable kill_css ffff888112445000 [ 70.965213][ T702] !!! cgroup_apply_control_disable kill_css ffff888112446c00 [ 70.991141][ C1] !!! css_killed_ref_fn css ffff888112c39800 !!! [ 70.997592][ T445] !!! css_release css ffff888112c39800 !!! [ 71.001112][ C0] !!! css_killed_ref_fn css ffff888112446c00 !!! [ 71.003432][ C1] !!! css_killed_ref_fn css ffff888112445000 !!! [ 71.016190][ T445] !!! css_put is zero set CSS_NO_REF css ffff888112c39800 !!! [ 71.023817][ T445] !!! css_release css ffff888112445000 !!! [ 71.029625][ T445] !!! css_put is zero set CSS_NO_REF css ffff888112445000 !!! [ 71.037703][ T388] !!! css_release css ffff888112446c00 !!! [ 71.043719][ T388] !!! css_put is zero set CSS_NO_REF css ffff888112446c00 !!! [ 71.051564][ T700] !!! css_create !!! [ 71.055494][ T700] !!! css_create !!! [ 71.059401][ T700] !!! css_create !!! [ 71.063455][ T700] FAULT_INJECTION: forcing a failure. [ 71.063455][ T700] name failslab, interval 1, probability 0, space 0, times 0 [ 71.076084][ T700] CPU: 0 PID: 700 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 71.088493][ T700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.098553][ T700] Call Trace: [ 71.101972][ T700] dump_stack+0x19c/0x1e2 [ 71.106271][ T700] should_fail+0x3f7/0x5b0 [ 71.110852][ T700] __should_failslab+0xd2/0x130 [ 71.115682][ T700] should_failslab+0x9/0x20 [ 71.120157][ T700] slab_pre_alloc_hook+0x25/0xe0 [ 71.125148][ T700] kmem_cache_alloc_trace+0x47/0x2b0 [ 71.130403][ T700] ? percpu_ref_init+0xd0/0x330 [ 71.135224][ T700] percpu_ref_init+0xd0/0x330 [ 71.139995][ T700] ? cgroup_setup_root+0x8a0/0x8a0 [ 71.145114][ T700] cgroup_apply_control_enable+0x49f/0xfc0 [ 71.150933][ T700] cgroup_apply_control+0x36/0x710 [ 71.156023][ T700] ? init_wait_entry+0xe0/0xe0 [ 71.160771][ T700] ? cgroup_kn_lock_live+0x1af/0x370 [ 71.166045][ T700] cgroup_subtree_control_write+0xd05/0x12d0 [ 71.172109][ T700] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 71.178076][ T700] cgroup_file_write+0x22f/0x4f0 [ 71.182982][ T700] kernfs_fop_write_iter+0x2cd/0x410 [ 71.188242][ T700] ? cgroup_seqfile_stop+0xc0/0xc0 [ 71.193331][ T700] vfs_write+0xb57/0xe50 [ 71.197540][ T700] ksys_write+0x157/0x260 [ 71.201838][ T700] __x64_sys_write+0x7b/0x90 [ 71.206540][ T700] do_syscall_64+0x34/0x70 [ 71.210956][ T700] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.216848][ T700] RIP: 0033:0x7f6f953440e9 [ 71.221242][ T700] 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 [ 71.240835][ T700] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.249347][ T700] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 71.257306][ T700] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 71.265619][ T700] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 71.273572][ T700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 71.281522][ T700] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 71.290201][ T700] !!! cgroup_apply_control_disable [ 71.295505][ T700] !!! cgroup_apply_control_disable kill_css ffff888112a01c00 [ 71.303349][ T700] !!! cgroup_apply_control_disable kill_css ffff888112ccfc00 [ 71.331135][ C0] !!! css_killed_ref_fn css ffff888112a01c00 !!! [ 71.337568][ C0] !!! css_killed_ref_fn css ffff888112ccfc00 !!! [ 71.343971][ T388] !!! css_release css ffff888112a01c00 !!! [ 71.349763][ T388] !!! css_put is zero set CSS_NO_REF css ffff888112a01c00 !!! [ 71.357260][ T388] !!! css_release css ffff888112ccfc00 !!! [ 71.363271][ T388] !!! css_put is zero set CSS_NO_REF css ffff888112ccfc00 !!! [ 71.371028][ T699] !!! css_create !!! [ 71.375149][ T699] !!! css_create !!! [ 71.379118][ T699] !!! css_create !!! [ 71.383301][ T699] FAULT_INJECTION: forcing a failure. [ 71.383301][ T699] name failslab, interval 1, probability 0, space 0, times 0 [ 71.395984][ T699] CPU: 1 PID: 699 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 71.407650][ T699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.417874][ T699] Call Trace: [ 71.421140][ T699] dump_stack+0x19c/0x1e2 [ 71.425445][ T699] should_fail+0x3f7/0x5b0 [ 71.429847][ T699] __should_failslab+0xd2/0x130 [ 71.434760][ T699] should_failslab+0x9/0x20 [ 71.439254][ T699] slab_pre_alloc_hook+0x25/0xe0 [ 71.444184][ T699] ? __kernfs_new_node+0x4c/0x6d0 [ 71.449213][ T699] __kmalloc_track_caller+0x70/0x300 [ 71.454484][ T699] ? __kernfs_new_node+0x4c/0x6d0 [ 71.459492][ T699] kstrdup_const+0x55/0x90 [ 71.463991][ T699] __kernfs_new_node+0x4c/0x6d0 [ 71.468841][ T699] ? string+0x29f/0x2b0 [ 71.472999][ T699] ? vsnprintf+0x1a6c/0x1b30 [ 71.477578][ T699] kernfs_new_node+0x97/0x170 [ 71.482231][ T699] __kernfs_create_file+0x4a/0x270 [ 71.487317][ T699] cgroup_addrm_files+0x99e/0xeb0 [ 71.492319][ T699] ? delete_node+0x747/0x7a0 [ 71.496884][ T699] css_populate_dir+0x137/0x370 [ 71.501853][ T699] cgroup_apply_control_enable+0x31e/0xfc0 [ 71.507743][ T699] cgroup_apply_control+0x36/0x710 [ 71.512971][ T699] ? init_wait_entry+0xe0/0xe0 [ 71.517773][ T699] ? cgroup_kn_lock_live+0x1af/0x370 [ 71.523045][ T699] cgroup_subtree_control_write+0xd05/0x12d0 [ 71.529023][ T699] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 71.534992][ T699] cgroup_file_write+0x22f/0x4f0 [ 71.539909][ T699] kernfs_fop_write_iter+0x2cd/0x410 [ 71.545308][ T699] ? cgroup_seqfile_stop+0xc0/0xc0 [ 71.550639][ T699] vfs_write+0xb57/0xe50 [ 71.554890][ T699] ksys_write+0x157/0x260 [ 71.559202][ T699] __x64_sys_write+0x7b/0x90 [ 71.563792][ T699] do_syscall_64+0x34/0x70 [ 71.568509][ T699] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.574390][ T699] RIP: 0033:0x7f9ada61d0e9 [ 71.578997][ T699] 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 [ 71.598590][ T699] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.606980][ T699] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 71.614926][ T699] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 71.622982][ T699] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 71.630940][ T699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 71.638895][ T699] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 71.647470][ T699] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 71.654584][ T699] !!! cgroup_apply_control_disable [ 71.659769][ T699] !!! cgroup_apply_control_disable kill_css ffff88811299e000 [ 71.667392][ T699] !!! cgroup_apply_control_disable kill_css ffff88811299f400 [ 71.674921][ T699] !!! cgroup_apply_control_disable kill_css ffff888112cca000 [ 71.684019][ T418] ------------[ cut here ]------------ [ 71.689504][ T418] WARNING: CPU: 1 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 71.698454][ T418] Modules linked in: [ 71.702357][ C1] !!! css_killed_ref_fn css ffff88811299e000 !!! [ 71.708772][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 71.725551][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.735712][ T418] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 71.741368][ T418] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 71.763188][ T418] RSP: 0018:ffffc90000ce7dd0 EFLAGS: 00010293 [ 71.769247][ T418] RAX: ffffffff81af040c RBX: ffff8881111e63e0 RCX: ffff888108262dc0 [ 71.777269][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 71.785260][ T418] RBP: ffffc90000ce7e40 R08: ffffffff81af0137 R09: fffff5200019cfb2 [ 71.793245][ T418] R10: fffff5200019cfb2 R11: 1ffff9200019cfb1 R12: dffffc0000000000 [ 71.801214][ T418] R13: ffff8881111e6300 R14: 00000000ffffffff R15: 0000000000000000 [ 71.810641][ T418] FS: 000055555645f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 71.819846][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.826444][ T418] CR2: 0000555556468b38 CR3: 00000001093c0000 CR4: 00000000003506a0 [ 71.834420][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.842398][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.850353][ T418] Call Trace: [ 71.853660][ T418] path_umount+0x1ad/0xed0 [ 71.858086][ T418] __x64_sys_umount+0xe8/0x110 [ 71.862888][ T418] do_syscall_64+0x34/0x70 [ 71.867834][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.873729][ T418] RIP: 0033:0x7f9ada61e557 [ 71.878144][ T418] 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 [ 71.897774][ T418] RSP: 002b:00007ffe7bfba128 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 71.906293][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ada61e557 [ 71.914285][ T418] RDX: 00007ffe7bfba1fa RSI: 000000000000000a RDI: 00007ffe7bfba1f0 [ 71.922298][ T418] RBP: 00007ffe7bfba1f0 R08: 00000000ffffffff R09: 00007ffe7bfb9fc0 [ 71.930272][ T418] R10: 0000555556460ba3 R11: 0000000000000246 R12: 00007f9ada6761f8 [ 71.939279][ T418] R13: 00007ffe7bfbb2b0 R14: 0000555556460b00 R15: 00007ffe7bfbb2f0 [ 71.947280][ T418] ---[ end trace 3a08363c28c4e380 ]--- [ 71.952780][ T445] !!! css_release css ffff88811299e000 !!! [ 71.958584][ T445] !!! css_put is zero set CSS_NO_REF css ffff88811299e000 !!! [ 71.966320][ C1] !!! css_killed_ref_fn css ffff88811299f400 !!! [ 71.972674][ C1] !!! css_killed_ref_fn css ffff888112cca000 !!! [ 71.979171][ T445] !!! css_release css ffff88811299f400 !!! [ 71.984994][ T445] !!! css_put is zero set CSS_NO_REF css ffff88811299f400 !!! [ 71.992534][ T445] !!! css_release css ffff888112cca000 !!! [ 71.998409][ T445] !!! css_put is zero set CSS_NO_REF css ffff888112cca000 !!! [ 72.006253][ T701] !!! css_create !!! [ 72.010198][ T701] !!! css_create !!! [ 72.014523][ T701] !!! css_create !!! [ 72.018448][ T701] FAULT_INJECTION: forcing a failure. [ 72.018448][ T701] name failslab, interval 1, probability 0, space 0, times 0 [ 72.031064][ T701] CPU: 1 PID: 701 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 72.042622][ T701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.052747][ T701] Call Trace: [ 72.056027][ T701] dump_stack+0x19c/0x1e2 [ 72.060338][ T701] should_fail+0x3f7/0x5b0 [ 72.064730][ T701] __should_failslab+0xd2/0x130 [ 72.069585][ T701] should_failslab+0x9/0x20 [ 72.074159][ T701] slab_pre_alloc_hook+0x25/0xe0 [ 72.079265][ T701] ? __kernfs_new_node+0x4c/0x6d0 [ 72.084276][ T701] __kmalloc_track_caller+0x70/0x300 [ 72.089537][ T701] ? __kernfs_new_node+0x4c/0x6d0 [ 72.094537][ T701] kstrdup_const+0x55/0x90 [ 72.098946][ T701] __kernfs_new_node+0x4c/0x6d0 [ 72.103952][ T701] ? string+0x29f/0x2b0 [ 72.108102][ T701] ? vsnprintf+0x1a6c/0x1b30 [ 72.112701][ T701] kernfs_new_node+0x97/0x170 [ 72.117527][ T701] __kernfs_create_file+0x4a/0x270 [ 72.122996][ T701] cgroup_addrm_files+0x99e/0xeb0 [ 72.127995][ T701] ? delete_node+0x747/0x7a0 [ 72.132574][ T701] css_populate_dir+0x137/0x370 [ 72.137408][ T701] cgroup_apply_control_enable+0x31e/0xfc0 [ 72.143193][ T701] cgroup_apply_control+0x36/0x710 [ 72.148387][ T701] ? init_wait_entry+0xe0/0xe0 [ 72.153144][ T701] ? cgroup_kn_lock_live+0x1af/0x370 [ 72.158413][ T701] cgroup_subtree_control_write+0xd05/0x12d0 [ 72.164382][ T701] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 72.170363][ T701] cgroup_file_write+0x22f/0x4f0 [ 72.175298][ T701] kernfs_fop_write_iter+0x2cd/0x410 [ 72.180557][ T701] ? cgroup_seqfile_stop+0xc0/0xc0 [ 72.185664][ T701] vfs_write+0xb57/0xe50 [ 72.189901][ T701] ksys_write+0x157/0x260 [ 72.194231][ T701] __x64_sys_write+0x7b/0x90 [ 72.198801][ T701] do_syscall_64+0x34/0x70 [ 72.203196][ T701] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.209079][ T701] RIP: 0033:0x7fce14ce20e9 [ 72.213468][ T701] 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 [ 72.233109][ T701] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.241516][ T701] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 72.249484][ T701] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 72.257434][ T701] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 72.265392][ T701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 72.273359][ T701] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 72.281651][ T701] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 72.288669][ T701] !!! cgroup_apply_control_disable [ 72.293822][ T701] !!! cgroup_apply_control_disable kill_css ffff88811299c000 [ 72.301360][ T701] !!! cgroup_apply_control_disable kill_css ffff888112f8dc00 [ 72.309015][ T701] !!! cgroup_apply_control_disable kill_css ffff888112f8c400 [ 72.351134][ C1] !!! css_killed_ref_fn css ffff88811299c000 !!! [ 72.357510][ C1] !!! css_killed_ref_fn css ffff888112f8dc00 !!! [ 72.363839][ C1] !!! css_killed_ref_fn css ffff888112f8c400 !!! [ 72.370313][ T445] !!! css_release css ffff88811299c000 !!! [ 72.376213][ T445] !!! css_put is zero set CSS_NO_REF css ffff88811299c000 !!! [ 72.383727][ T445] !!! css_release css ffff888112f8dc00 !!! [ 72.389583][ T445] !!! css_put is zero set CSS_NO_REF css ffff888112f8dc00 !!! [ 72.397269][ T445] !!! css_release css ffff888112f8c400 !!! [ 72.403178][ T445] !!! css_put is zero set CSS_NO_REF css ffff888112f8c400 !!! [ 72.410761][ T698] !!! css_create !!! [ 72.414763][ T698] !!! css_create !!! [ 72.418705][ T698] !!! css_create !!! [ 72.422688][ T698] FAULT_INJECTION: forcing a failure. [ 72.422688][ T698] name failslab, interval 1, probability 0, space 0, times 0 [ 72.435394][ T698] CPU: 1 PID: 698 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 72.446958][ T698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.457003][ T698] Call Trace: [ 72.460450][ T698] dump_stack+0x19c/0x1e2 [ 72.464756][ T698] should_fail+0x3f7/0x5b0 [ 72.469145][ T698] __should_failslab+0xd2/0x130 [ 72.473965][ T698] should_failslab+0x9/0x20 [ 72.478451][ T698] slab_pre_alloc_hook+0x25/0xe0 [ 72.483384][ T698] kmem_cache_alloc_trace+0x47/0x2b0 [ 72.488654][ T698] ? pids_css_alloc+0x4e/0x120 [ 72.493399][ T698] pids_css_alloc+0x4e/0x120 [ 72.497965][ T698] cgroup_apply_control_enable+0x44e/0xfc0 [ 72.503756][ T698] cgroup_apply_control+0x36/0x710 [ 72.508839][ T698] ? init_wait_entry+0xe0/0xe0 [ 72.513574][ T698] ? cgroup_kn_lock_live+0x1af/0x370 [ 72.518830][ T698] cgroup_subtree_control_write+0xd05/0x12d0 [ 72.524781][ T698] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 72.530733][ T698] cgroup_file_write+0x22f/0x4f0 [ 72.535656][ T698] kernfs_fop_write_iter+0x2cd/0x410 [ 72.541344][ T698] ? cgroup_seqfile_stop+0xc0/0xc0 [ 72.546427][ T698] vfs_write+0xb57/0xe50 [ 72.551236][ T698] ksys_write+0x157/0x260 [ 72.555723][ T698] __x64_sys_write+0x7b/0x90 [ 72.560316][ T698] do_syscall_64+0x34/0x70 [ 72.564716][ T698] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.570860][ T698] RIP: 0033:0x7fe496c3a0e9 [ 72.575257][ T698] 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 [ 72.594941][ T698] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.603628][ T698] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 72.612794][ T698] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 72.621459][ T698] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 72.629777][ T698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 72.637740][ T698] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 72.645853][ T698] !!! cgroup_apply_control_disable 2022/05/31 18:33:14 executed programs: 91 [ 72.651042][ T698] !!! cgroup_apply_control_disable kill_css ffff888113170400 [ 72.658702][ T698] !!! cgroup_apply_control_disable kill_css ffff888113172800 [ 72.691151][ C1] !!! css_killed_ref_fn css ffff888113170400 !!! [ 72.697628][ T19] !!! css_release css ffff888113170400 !!! [ 72.703503][ C1] !!! css_killed_ref_fn css ffff888113172800 !!! [ 72.709978][ T19] !!! css_put is zero set CSS_NO_REF css ffff888113170400 !!! [ 72.717474][ T19] !!! css_release css ffff888113172800 !!! [ 72.723452][ T19] !!! css_put is zero set CSS_NO_REF css ffff888113172800 !!! [ 72.730970][ T712] !!! css_create !!! [ 72.735004][ T712] !!! css_create !!! [ 72.738958][ T712] !!! css_create !!! [ 72.742940][ T712] FAULT_INJECTION: forcing a failure. [ 72.742940][ T712] name failslab, interval 1, probability 0, space 0, times 0 [ 72.755613][ T712] CPU: 1 PID: 712 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 72.768665][ T712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.778731][ T712] Call Trace: [ 72.782024][ T712] dump_stack+0x19c/0x1e2 [ 72.786772][ T712] should_fail+0x3f7/0x5b0 [ 72.791160][ T712] __should_failslab+0xd2/0x130 [ 72.795990][ T712] should_failslab+0x9/0x20 [ 72.800470][ T712] slab_pre_alloc_hook+0x25/0xe0 [ 72.805401][ T712] ? __kernfs_new_node+0x4c/0x6d0 [ 72.810546][ T712] __kmalloc_track_caller+0x70/0x300 [ 72.815819][ T712] ? __kernfs_new_node+0x4c/0x6d0 [ 72.820831][ T712] kstrdup_const+0x55/0x90 [ 72.825222][ T712] __kernfs_new_node+0x4c/0x6d0 [ 72.830041][ T712] ? string+0x29f/0x2b0 [ 72.834170][ T712] ? vsnprintf+0x1a6c/0x1b30 [ 72.838731][ T712] kernfs_new_node+0x97/0x170 [ 72.843394][ T712] __kernfs_create_file+0x4a/0x270 [ 72.848501][ T712] cgroup_addrm_files+0x99e/0xeb0 [ 72.853506][ T712] ? delete_node+0x747/0x7a0 [ 72.858070][ T712] css_populate_dir+0x137/0x370 [ 72.862896][ T712] cgroup_apply_control_enable+0x31e/0xfc0 [ 72.868675][ T712] cgroup_apply_control+0x36/0x710 [ 72.873770][ T712] ? init_wait_entry+0xe0/0xe0 [ 72.878508][ T712] ? cgroup_kn_lock_live+0x1af/0x370 [ 72.883766][ T712] cgroup_subtree_control_write+0xd05/0x12d0 [ 72.889809][ T712] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 72.895762][ T712] cgroup_file_write+0x22f/0x4f0 [ 72.900676][ T712] kernfs_fop_write_iter+0x2cd/0x410 [ 72.905936][ T712] ? cgroup_seqfile_stop+0xc0/0xc0 [ 72.911021][ T712] vfs_write+0xb57/0xe50 [ 72.915239][ T712] ksys_write+0x157/0x260 [ 72.919545][ T712] __x64_sys_write+0x7b/0x90 [ 72.924113][ T712] do_syscall_64+0x34/0x70 [ 72.928504][ T712] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.934368][ T712] RIP: 0033:0x7f6f953440e9 [ 72.938761][ T712] 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 [ 72.958352][ T712] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.966744][ T712] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 72.974692][ T712] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 72.982642][ T712] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 72.990600][ T712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 73.000292][ T712] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 73.009263][ T712] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 73.016375][ T712] !!! cgroup_apply_control_disable [ 73.021566][ T712] !!! cgroup_apply_control_disable kill_css ffff888113137c00 [ 73.029011][ T712] !!! cgroup_apply_control_disable kill_css ffff888113135000 [ 73.036572][ T712] !!! cgroup_apply_control_disable kill_css ffff888113136c00 [ 73.052447][ C0] !!! css_killed_ref_fn css ffff888113137c00 !!! [ 73.058920][ T5] !!! css_release css ffff888113137c00 !!! [ 73.064774][ C0] !!! css_killed_ref_fn css ffff888113135000 !!! [ 73.064790][ C0] !!! css_killed_ref_fn css ffff888113136c00 !!! [ 73.077652][ T5] !!! css_put is zero set CSS_NO_REF css ffff888113137c00 !!! [ 73.085295][ T5] !!! css_release css ffff888113135000 !!! [ 73.091128][ T5] !!! css_put is zero set CSS_NO_REF css ffff888113135000 !!! [ 73.098744][ T5] !!! css_release css ffff888113136c00 !!! [ 73.104593][ T5] !!! css_put is zero set CSS_NO_REF css ffff888113136c00 !!! [ 73.112102][ T709] !!! css_create !!! [ 73.116194][ T709] !!! css_create !!! [ 73.120163][ T709] !!! css_create !!! [ 73.124155][ T709] FAULT_INJECTION: forcing a failure. [ 73.124155][ T709] name failslab, interval 1, probability 0, space 0, times 0 [ 73.136976][ T709] CPU: 1 PID: 709 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 73.148509][ T709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.158566][ T709] Call Trace: [ 73.162657][ T709] dump_stack+0x19c/0x1e2 [ 73.167072][ T709] should_fail+0x3f7/0x5b0 [ 73.171599][ T709] __should_failslab+0xd2/0x130 [ 73.176534][ T709] should_failslab+0x9/0x20 [ 73.181020][ T709] slab_pre_alloc_hook+0x25/0xe0 [ 73.186248][ T709] kmem_cache_alloc_trace+0x47/0x2b0 [ 73.191637][ T709] ? percpu_ref_init+0xd0/0x330 [ 73.196476][ T709] percpu_ref_init+0xd0/0x330 [ 73.201135][ T709] ? cgroup_setup_root+0x8a0/0x8a0 [ 73.206563][ T709] cgroup_apply_control_enable+0x49f/0xfc0 [ 73.212527][ T709] cgroup_apply_control+0x36/0x710 [ 73.217634][ T709] ? init_wait_entry+0xe0/0xe0 [ 73.224376][ T709] ? cgroup_kn_lock_live+0x1af/0x370 [ 73.229661][ T709] cgroup_subtree_control_write+0xd05/0x12d0 [ 73.235636][ T709] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 73.241594][ T709] cgroup_file_write+0x22f/0x4f0 [ 73.246507][ T709] kernfs_fop_write_iter+0x2cd/0x410 [ 73.252433][ T709] ? cgroup_seqfile_stop+0xc0/0xc0 [ 73.257626][ T709] vfs_write+0xb57/0xe50 [ 73.261999][ T709] ksys_write+0x157/0x260 [ 73.266318][ T709] __x64_sys_write+0x7b/0x90 [ 73.270910][ T709] do_syscall_64+0x34/0x70 [ 73.275315][ T709] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.281302][ T709] RIP: 0033:0x7fd31cb190e9 [ 73.285698][ T709] 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 [ 73.305334][ T709] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.313858][ T709] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 73.321818][ T709] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 73.329775][ T709] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 73.337734][ T709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 73.345691][ T709] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 73.353810][ T709] !!! cgroup_apply_control_disable [ 73.358979][ T709] !!! cgroup_apply_control_disable kill_css ffff888112c3a400 [ 73.366502][ T709] !!! cgroup_apply_control_disable kill_css ffff888112c3b000 [ 73.391150][ C1] !!! css_killed_ref_fn css ffff888112c3a400 !!! [ 73.397559][ T19] !!! css_release css ffff888112c3a400 !!! [ 73.403380][ C0] !!! css_killed_ref_fn css ffff888112c3b000 !!! [ 73.409812][ T19] !!! css_put is zero set CSS_NO_REF css ffff888112c3a400 !!! [ 73.417419][ T5] !!! css_release css ffff888112c3b000 !!! [ 73.423313][ T5] !!! css_put is zero set CSS_NO_REF css ffff888112c3b000 !!! [ 73.431202][ T706] !!! css_create !!! [ 73.435180][ T706] !!! css_create !!! [ 73.439122][ T706] !!! css_create !!! [ 73.443070][ T706] FAULT_INJECTION: forcing a failure. [ 73.443070][ T706] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 73.456381][ T706] CPU: 0 PID: 706 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 73.467899][ T706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.477940][ T706] Call Trace: [ 73.481207][ T706] dump_stack+0x19c/0x1e2 [ 73.485512][ T706] should_fail+0x3f7/0x5b0 [ 73.489903][ T706] should_fail_alloc_page+0xa9/0xd0 [ 73.495094][ T706] __alloc_pages_nodemask+0x121/0x740 [ 73.500464][ T706] ? pcpu_alloc_area+0x7ab/0x900 [ 73.505394][ T706] allocate_slab+0x72/0x580 [ 73.509893][ T706] ___slab_alloc+0x131/0x2e0 [ 73.514464][ T706] ? percpu_ref_init+0xd0/0x330 [ 73.519287][ T706] __slab_alloc+0x63/0xa0 [ 73.523590][ T706] ? percpu_ref_init+0xd0/0x330 [ 73.528426][ T706] kmem_cache_alloc_trace+0xe5/0x2b0 [ 73.533710][ T706] ? percpu_ref_init+0xd0/0x330 [ 73.538540][ T706] percpu_ref_init+0xd0/0x330 [ 73.543192][ T706] ? cgroup_setup_root+0x8a0/0x8a0 [ 73.548286][ T706] cgroup_apply_control_enable+0x49f/0xfc0 [ 73.554064][ T706] cgroup_apply_control+0x36/0x710 [ 73.559142][ T706] ? init_wait_entry+0xe0/0xe0 [ 73.563875][ T706] ? cgroup_kn_lock_live+0x1af/0x370 [ 73.569150][ T706] cgroup_subtree_control_write+0xd05/0x12d0 [ 73.575127][ T706] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 73.581107][ T706] cgroup_file_write+0x22f/0x4f0 [ 73.586032][ T706] kernfs_fop_write_iter+0x2cd/0x410 [ 73.591289][ T706] ? cgroup_seqfile_stop+0xc0/0xc0 [ 73.596370][ T706] vfs_write+0xb57/0xe50 [ 73.600583][ T706] ksys_write+0x157/0x260 [ 73.604888][ T706] __x64_sys_write+0x7b/0x90 [ 73.609469][ T706] do_syscall_64+0x34/0x70 [ 73.613872][ T706] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.619750][ T706] RIP: 0033:0x7fd11bd980e9 [ 73.624281][ T706] 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 [ 73.643991][ T706] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.652403][ T706] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 73.660354][ T706] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 73.668299][ T706] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 73.676240][ T706] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 73.684187][ T706] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 73.692413][ T706] !!! css_create !!! [ 73.696386][ T706] !!! css_create !!! [ 73.700318][ T706] !!! css_create !!! [ 73.704516][ T706] !!! cgroup_apply_control_disable [ 73.709767][ T720] !!! cgroup_apply_control_disable [ 73.715142][ T720] !!! cgroup_apply_control_disable kill_css ffff888113116000 [ 73.723092][ T720] !!! cgroup_apply_control_disable kill_css ffff8881130ae800 [ 73.730515][ T720] !!! cgroup_apply_control_disable kill_css ffff8881130aec00 [ 73.738072][ T720] !!! cgroup_apply_control_disable kill_css ffff8881130ac800 [ 73.745529][ T720] !!! cgroup_apply_control_disable kill_css ffff8881130ad800 [ 73.753061][ T720] !!! cgroup_apply_control_disable kill_css ffff8881130afc00 [ 73.771141][ C0] !!! css_killed_ref_fn css ffff888113116000 !!! [ 73.777513][ C0] !!! css_killed_ref_fn css ffff8881130ae800 !!! [ 73.783841][ C0] !!! css_killed_ref_fn css ffff8881130aec00 !!! [ 73.790199][ T5] !!! css_release css ffff888113116000 !!! [ 73.796019][ T5] !!! css_put is zero set CSS_NO_REF css ffff888113116000 !!! [ 73.803476][ C0] !!! css_killed_ref_fn css ffff8881130ac800 !!! [ 73.803485][ C0] !!! css_killed_ref_fn css ffff8881130ad800 !!! [ 73.803492][ C0] !!! css_killed_ref_fn css ffff8881130afc00 !!! [ 73.822477][ T5] !!! css_release css ffff8881130ae800 !!! [ 73.828266][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881130ae800 !!! [ 73.837581][ T5] !!! css_release css ffff8881130aec00 !!! [ 73.843462][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881130aec00 !!! [ 73.850911][ T5] !!! css_release css ffff8881130ac800 !!! [ 73.856914][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881130ac800 !!! [ 73.864570][ T5] !!! css_release css ffff8881130ad800 !!! [ 73.870388][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881130ad800 !!! [ 73.878325][ T5] !!! css_release css ffff8881130afc00 !!! [ 73.884224][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881130afc00 !!! [ 73.892032][ T727] !!! css_create !!! [ 73.895958][ T727] !!! css_create !!! [ 73.899896][ T727] !!! css_create !!! [ 73.903952][ T727] FAULT_INJECTION: forcing a failure. [ 73.903952][ T727] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 73.917352][ T727] CPU: 0 PID: 727 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 73.928883][ T727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.938928][ T727] Call Trace: [ 73.942397][ T727] dump_stack+0x19c/0x1e2 [ 73.946802][ T727] should_fail+0x3f7/0x5b0 [ 73.951201][ T727] should_fail_alloc_page+0xa9/0xd0 [ 73.956375][ T727] __alloc_pages_nodemask+0x121/0x740 [ 73.962093][ T727] ? debug_smp_processor_id+0x17/0x20 [ 73.967686][ T727] ? tick_nohz_tick_stopped+0x7e/0xc0 [ 73.973048][ T727] allocate_slab+0x72/0x580 [ 73.977599][ T727] ___slab_alloc+0x131/0x2e0 [ 73.982206][ T727] ? pids_css_alloc+0x4e/0x120 [ 73.987078][ T727] __slab_alloc+0x63/0xa0 [ 73.991402][ T727] ? pids_css_alloc+0x4e/0x120 [ 73.996153][ T727] kmem_cache_alloc_trace+0xe5/0x2b0 [ 74.001415][ T727] ? pids_css_alloc+0x4e/0x120 [ 74.006151][ T727] pids_css_alloc+0x4e/0x120 [ 74.010807][ T727] cgroup_apply_control_enable+0x44e/0xfc0 [ 74.016596][ T727] cgroup_apply_control+0x36/0x710 [ 74.021769][ T727] ? init_wait_entry+0xe0/0xe0 [ 74.026727][ T727] ? cgroup_kn_lock_live+0x1af/0x370 [ 74.031982][ T727] cgroup_subtree_control_write+0xd05/0x12d0 [ 74.037941][ T727] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 74.043901][ T727] cgroup_file_write+0x22f/0x4f0 [ 74.048820][ T727] kernfs_fop_write_iter+0x2cd/0x410 [ 74.054100][ T727] ? cgroup_seqfile_stop+0xc0/0xc0 [ 74.059200][ T727] vfs_write+0xb57/0xe50 [ 74.063422][ T727] ksys_write+0x157/0x260 [ 74.067734][ T727] __x64_sys_write+0x7b/0x90 [ 74.072434][ T727] do_syscall_64+0x34/0x70 [ 74.076834][ T727] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.082722][ T727] RIP: 0033:0x7fd31cb190e9 [ 74.087134][ T727] 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 [ 74.106892][ T727] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.115383][ T727] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 74.123345][ T727] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 74.131300][ T727] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 74.139249][ T727] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 74.147206][ T727] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 74.155366][ T727] !!! css_create !!! [ 74.159391][ T727] !!! css_create !!! [ 74.163761][ T727] !!! css_create !!! [ 74.168089][ T727] !!! cgroup_apply_control_disable [ 74.173713][ T717] !!! cgroup_apply_control_disable [ 74.178858][ T717] !!! cgroup_apply_control_disable kill_css ffff88811326d800 [ 74.186559][ T717] !!! cgroup_apply_control_disable kill_css ffff88811326c800 [ 74.186800][ T423] ------------[ cut here ]------------ [ 74.194021][ T717] !!! cgroup_apply_control_disable kill_css ffff8881108b2000 [ 74.199430][ T423] WARNING: CPU: 0 PID: 423 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 74.199439][ T423] Modules linked in: [ 74.206919][ T717] !!! cgroup_apply_control_disable kill_css ffff8881108b2800 [ 74.215751][ T423] [ 74.215770][ T423] CPU: 0 PID: 423 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 74.215785][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.219828][ T717] !!! cgroup_apply_control_disable kill_css ffff888113430400 [ 74.227097][ T423] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 74.227117][ T423] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 74.229573][ T717] !!! cgroup_apply_control_disable kill_css ffff888113431c00 [ 74.240993][ T423] RSP: 0018:ffffc90000d57d58 EFLAGS: 00010293 [ 74.241006][ T423] RAX: ffffffff81af040c RBX: ffff8881111e7460 RCX: ffff88810536cc40 [ 74.241013][ T423] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 74.241019][ T423] RBP: ffffc90000d57dc8 R08: ffffffff81af0137 R09: fffff520001aafa3 [ 74.241026][ T423] R10: fffff520001aafa3 R11: 1ffff920001aafa2 R12: dffffc0000000000 [ 74.241032][ T423] R13: ffff8881111e7380 R14: 00000000fffffffe R15: 0000000000000000 [ 74.241048][ T423] FS: 0000555555d72400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 74.346353][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.352959][ T423] CR2: 0000555555d7bb38 CR3: 0000000116485000 CR4: 00000000003506b0 [ 74.360922][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.369097][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.377077][ T423] Call Trace: [ 74.380370][ T423] ? init_wait_entry+0xe0/0xe0 [ 74.385133][ T423] ? up_write+0x68/0x140 [ 74.389371][ T423] namespace_unlock+0x377/0x420 [ 74.394284][ T423] path_umount+0xe23/0xed0 [ 74.398719][ T423] __x64_sys_umount+0xe8/0x110 [ 74.403523][ T423] do_syscall_64+0x34/0x70 [ 74.407947][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.413885][ T423] RIP: 0033:0x7fd31cb1a557 [ 74.418312][ T423] 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 [ 74.438137][ T423] RSP: 002b:00007ffedb330808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 74.446591][ T423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd31cb1a557 [ 74.454577][ T423] RDX: 00007ffedb3308da RSI: 000000000000000a RDI: 00007ffedb3308d0 [ 74.462565][ T423] RBP: 00007ffedb3308d0 R08: 00000000ffffffff R09: 00007ffedb3306a0 [ 74.470522][ T423] R10: 0000555555d73ba3 R11: 0000000000000246 R12: 00007fd31cb721f8 [ 74.478494][ T423] R13: 00007ffedb331990 R14: 0000555555d73b00 R15: 00007ffedb3319d0 [ 74.486561][ T423] ---[ end trace 3a08363c28c4e381 ]--- [ 74.492172][ T423] ------------[ cut here ]------------ [ 74.498005][ T423] WARNING: CPU: 1 PID: 423 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 74.506957][ C1] !!! css_killed_ref_fn css ffff88811326d800 !!! [ 74.506970][ C1] !!! css_killed_ref_fn css ffff88811326c800 !!! [ 74.506975][ C1] !!! css_killed_ref_fn css ffff8881108b2000 !!! [ 74.506979][ C1] !!! css_killed_ref_fn css ffff8881108b2800 !!! [ 74.506983][ C1] !!! css_killed_ref_fn css ffff888113430400 !!! [ 74.538530][ T423] Modules linked in: [ 74.542430][ T423] CPU: 1 PID: 423 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 74.554082][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.564158][ T423] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 74.570229][ T423] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 74.589934][ T423] RSP: 0018:ffffc90000d57dd0 EFLAGS: 00010293 [ 74.596029][ T423] RAX: ffffffff81af040c RBX: ffff8881111e7460 RCX: ffff88810536cc40 [ 74.604001][ T423] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 74.612421][ T423] RBP: ffffc90000d57e40 R08: ffffffff81af0137 R09: fffff520001aafb2 [ 74.620400][ T423] R10: fffff520001aafb2 R11: 1ffff920001aafb1 R12: dffffc0000000000 [ 74.628656][ T423] R13: ffff8881111e7380 R14: 00000000fffffffe R15: 0000000000000000 [ 74.636905][ T423] FS: 0000555555d72400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 74.645942][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.653011][ T423] CR2: 00007fd11bcecff8 CR3: 0000000116485000 CR4: 00000000003506a0 [ 74.661777][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.670109][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.678257][ T423] Call Trace: [ 74.681584][ T423] path_umount+0x1ad/0xed0 [ 74.687570][ T423] __x64_sys_umount+0xe8/0x110 [ 74.692792][ T423] do_syscall_64+0x34/0x70 [ 74.697550][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.703448][ T423] RIP: 0033:0x7fd31cb1a557 [ 74.707852][ T423] 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 [ 74.727727][ T423] RSP: 002b:00007ffedb330808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 74.736185][ T423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd31cb1a557 [ 74.744169][ T423] RDX: 00007ffedb3308da RSI: 000000000000000a RDI: 00007ffedb3308d0 [ 74.752167][ T423] RBP: 00007ffedb3308d0 R08: 00000000ffffffff R09: 00007ffedb3306a0 [ 74.760132][ T423] R10: 0000555555d73ba3 R11: 0000000000000246 R12: 00007fd31cb721f8 [ 74.768151][ T423] R13: 00007ffedb331990 R14: 0000555555d73b00 R15: 00007ffedb3319d0 [ 74.776184][ T423] ---[ end trace 3a08363c28c4e382 ]--- [ 74.781710][ T19] !!! css_release css ffff88811326d800 !!! [ 74.787516][ T19] !!! css_put is zero set CSS_NO_REF css ffff88811326d800 !!! [ 74.795268][ T426] !!! css_release css ffff88811326c800 !!! [ 74.801085][ T426] !!! css_put is zero set CSS_NO_REF css ffff88811326c800 !!! [ 74.801132][ C1] !!! css_killed_ref_fn css ffff888113431c00 !!! [ 74.815044][ T19] !!! css_release css ffff8881108b2000 !!! [ 74.820837][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881108b2000 !!! [ 74.828336][ T19] !!! css_release css ffff888113430400 !!! [ 74.834220][ T19] !!! css_put is zero set CSS_NO_REF css ffff888113430400 !!! [ 74.841851][ T19] !!! css_release css ffff888113431c00 !!! [ 74.847668][ T19] !!! css_put is zero set CSS_NO_REF css ffff888113431c00 !!! [ 74.855290][ T721] !!! css_create !!! [ 74.859216][ T721] !!! css_create !!! [ 74.863162][ T721] !!! css_create !!! [ 74.867061][ T721] FAULT_INJECTION: forcing a failure. [ 74.867061][ T721] name failslab, interval 1, probability 0, space 0, times 0 [ 74.879773][ T721] CPU: 1 PID: 721 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 74.891299][ T721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.901522][ T721] Call Trace: [ 74.904798][ T721] dump_stack+0x19c/0x1e2 [ 74.909210][ T721] should_fail+0x3f7/0x5b0 [ 74.913606][ T721] __should_failslab+0xd2/0x130 [ 74.918430][ T721] should_failslab+0x9/0x20 [ 74.922906][ T721] slab_pre_alloc_hook+0x25/0xe0 [ 74.927833][ T721] ? __kernfs_new_node+0x4c/0x6d0 [ 74.932842][ T721] __kmalloc_track_caller+0x70/0x300 [ 74.938108][ T721] ? __kernfs_new_node+0x4c/0x6d0 [ 74.943109][ T721] kstrdup_const+0x55/0x90 [ 74.947499][ T721] __kernfs_new_node+0x4c/0x6d0 [ 74.952341][ T721] ? string+0x29f/0x2b0 [ 74.956493][ T721] ? vsnprintf+0x1a6c/0x1b30 [ 74.961066][ T721] kernfs_new_node+0x97/0x170 [ 74.965722][ T721] __kernfs_create_file+0x4a/0x270 [ 74.970823][ T721] cgroup_addrm_files+0x99e/0xeb0 [ 74.976097][ T721] ? delete_node+0x747/0x7a0 [ 74.980671][ T721] css_populate_dir+0x137/0x370 [ 74.985495][ T721] cgroup_apply_control_enable+0x31e/0xfc0 [ 74.991276][ T721] cgroup_apply_control+0x36/0x710 [ 74.996363][ T721] ? init_wait_entry+0xe0/0xe0 [ 75.001159][ T721] ? cgroup_kn_lock_live+0x1af/0x370 [ 75.006462][ T721] cgroup_subtree_control_write+0xd05/0x12d0 [ 75.012435][ T721] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 75.018400][ T721] cgroup_file_write+0x22f/0x4f0 [ 75.023624][ T721] kernfs_fop_write_iter+0x2cd/0x410 [ 75.029175][ T721] ? cgroup_seqfile_stop+0xc0/0xc0 [ 75.034295][ T721] vfs_write+0xb57/0xe50 [ 75.038680][ T721] ksys_write+0x157/0x260 [ 75.043017][ T721] __x64_sys_write+0x7b/0x90 [ 75.047611][ T721] do_syscall_64+0x34/0x70 [ 75.052210][ T721] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.058092][ T721] RIP: 0033:0x7fe496c3a0e9 [ 75.062510][ T721] 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 [ 75.082099][ T721] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.090500][ T721] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 75.098453][ T721] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 75.106417][ T721] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 75.114532][ T721] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 75.122580][ T721] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 75.130607][ T721] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 75.137689][ T721] !!! cgroup_apply_control_disable [ 75.142821][ T721] !!! cgroup_apply_control_disable kill_css ffff8881133b0000 [ 75.150299][ T721] !!! cgroup_apply_control_disable kill_css ffff8881133b3000 [ 75.157883][ T721] !!! cgroup_apply_control_disable kill_css ffff8881133b2400 [ 75.181146][ C1] !!! css_killed_ref_fn css ffff8881133b0000 !!! [ 75.188872][ T19] !!! css_release css ffff8881133b0000 !!! [ 75.195279][ C1] !!! css_killed_ref_fn css ffff8881133b3000 !!! [ 75.195293][ C1] !!! css_killed_ref_fn css ffff8881133b2400 !!! [ 75.208444][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881133b0000 !!! [ 75.216010][ T426] !!! css_release css ffff8881133b3000 !!! [ 75.221921][ T426] !!! css_put is zero set CSS_NO_REF css ffff8881133b3000 !!! [ 75.229539][ T19] !!! css_release css ffff8881133b2400 !!! [ 75.235392][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881133b2400 !!! [ 75.243194][ T715] !!! css_create !!! [ 75.247272][ T715] !!! css_create !!! [ 75.252169][ T715] !!! css_create !!! [ 75.256308][ T715] FAULT_INJECTION: forcing a failure. [ 75.256308][ T715] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 75.269852][ T715] CPU: 0 PID: 715 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 75.281889][ T715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.292604][ T715] Call Trace: [ 75.296072][ T715] dump_stack+0x19c/0x1e2 [ 75.300556][ T715] should_fail+0x3f7/0x5b0 [ 75.304965][ T715] should_fail_alloc_page+0xa9/0xd0 [ 75.310229][ T715] __alloc_pages_nodemask+0x121/0x740 [ 75.316250][ T715] ? __kasan_check_read+0x11/0x20 [ 75.321268][ T715] ? preempt_schedule_common+0xcb/0x100 [ 75.327839][ T715] allocate_slab+0x72/0x580 [ 75.333394][ T715] ___slab_alloc+0x131/0x2e0 [ 75.338049][ T715] ? pids_css_alloc+0x4e/0x120 [ 75.342784][ T715] __slab_alloc+0x63/0xa0 [ 75.347176][ T715] ? pids_css_alloc+0x4e/0x120 [ 75.352006][ T715] kmem_cache_alloc_trace+0xe5/0x2b0 [ 75.357354][ T715] ? pids_css_alloc+0x4e/0x120 [ 75.362107][ T715] pids_css_alloc+0x4e/0x120 [ 75.366757][ T715] cgroup_apply_control_enable+0x44e/0xfc0 [ 75.373593][ T715] cgroup_apply_control+0x36/0x710 [ 75.379582][ T715] ? init_wait_entry+0xe0/0xe0 [ 75.384625][ T715] ? cgroup_kn_lock_live+0x1af/0x370 [ 75.390906][ T715] cgroup_subtree_control_write+0xd05/0x12d0 [ 75.397037][ T715] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 75.403001][ T715] cgroup_file_write+0x22f/0x4f0 [ 75.407947][ T715] kernfs_fop_write_iter+0x2cd/0x410 [ 75.413301][ T715] ? cgroup_seqfile_stop+0xc0/0xc0 [ 75.418652][ T715] vfs_write+0xb57/0xe50 [ 75.422875][ T715] ksys_write+0x157/0x260 [ 75.427185][ T715] __x64_sys_write+0x7b/0x90 [ 75.431925][ T715] do_syscall_64+0x34/0x70 [ 75.436321][ T715] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.442312][ T715] RIP: 0033:0x7f9ada61d0e9 [ 75.446884][ T715] 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 [ 75.466559][ T715] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.474962][ T715] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 75.482908][ T715] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 75.491012][ T715] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 75.499087][ T715] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 75.507057][ T715] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 75.517456][ T715] !!! css_create !!! [ 75.521565][ T715] !!! css_create !!! [ 75.525624][ T715] !!! css_create !!! [ 75.529873][ T715] !!! cgroup_apply_control_disable [ 75.535213][ T735] !!! cgroup_apply_control_disable [ 75.540349][ T735] !!! cgroup_apply_control_disable kill_css ffff8881131c5000 [ 75.547794][ T735] !!! cgroup_apply_control_disable kill_css ffff8881131c6c00 [ 75.555249][ T735] !!! cgroup_apply_control_disable kill_css ffff888112e79c00 [ 75.562811][ T735] !!! cgroup_apply_control_disable kill_css ffff888112e79000 [ 75.570298][ T735] !!! cgroup_apply_control_disable kill_css ffff888112e79800 [ 75.577802][ T735] !!! cgroup_apply_control_disable kill_css ffff888112e79400 [ 75.587369][ C0] !!! css_killed_ref_fn css ffff8881131c5000 !!! [ 75.593731][ C0] !!! css_killed_ref_fn css ffff8881131c6c00 !!! [ 75.600084][ T5] !!! css_release css ffff8881131c5000 !!! [ 75.606026][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881131c5000 !!! [ 75.613899][ C0] !!! css_killed_ref_fn css ffff888112e79c00 !!! [ 75.620312][ C0] !!! css_killed_ref_fn css ffff888112e79000 !!! [ 75.626688][ C0] !!! css_killed_ref_fn css ffff888112e79800 !!! [ 75.633087][ T5] !!! css_release css ffff8881131c6c00 !!! [ 75.639302][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881131c6c00 !!! [ 75.647063][ T5] !!! css_release css ffff888112e79c00 !!! [ 75.651138][ C1] !!! css_killed_ref_fn css ffff888112e79400 !!! [ 75.652965][ T5] !!! css_put is zero set CSS_NO_REF css ffff888112e79c00 !!! [ 75.666644][ T5] !!! css_release css ffff888112e79000 !!! [ 75.672567][ T5] !!! css_put is zero set CSS_NO_REF css ffff888112e79000 !!! [ 75.680031][ T5] !!! css_release css ffff888112e79800 !!! [ 75.685996][ T5] !!! css_put is zero set CSS_NO_REF css ffff888112e79800 !!! [ 75.693842][ T19] !!! css_release css ffff888112e79400 !!! [ 75.699725][ T19] !!! css_put is zero set CSS_NO_REF css ffff888112e79400 !!! [ 75.707292][ T718] !!! css_create !!! [ 75.711355][ T718] !!! css_create !!! [ 75.715443][ T718] !!! css_create !!! [ 75.719365][ T718] FAULT_INJECTION: forcing a failure. [ 75.719365][ T718] name failslab, interval 1, probability 0, space 0, times 0 [ 75.732026][ T718] CPU: 0 PID: 718 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 75.743661][ T718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.753702][ T718] Call Trace: [ 75.757084][ T718] dump_stack+0x19c/0x1e2 [ 75.761412][ T718] should_fail+0x3f7/0x5b0 [ 75.765932][ T718] __should_failslab+0xd2/0x130 [ 75.770771][ T718] should_failslab+0x9/0x20 [ 75.775247][ T718] slab_pre_alloc_hook+0x25/0xe0 [ 75.780287][ T718] kmem_cache_alloc_trace+0x47/0x2b0 [ 75.785547][ T718] ? percpu_ref_init+0xd0/0x330 [ 75.790470][ T718] percpu_ref_init+0xd0/0x330 [ 75.795429][ T718] ? cgroup_setup_root+0x8a0/0x8a0 [ 75.800525][ T718] cgroup_apply_control_enable+0x49f/0xfc0 [ 75.806309][ T718] cgroup_apply_control+0x36/0x710 [ 75.811393][ T718] ? init_wait_entry+0xe0/0xe0 [ 75.816136][ T718] ? cgroup_kn_lock_live+0x1af/0x370 [ 75.821490][ T718] cgroup_subtree_control_write+0xd05/0x12d0 [ 75.827446][ T718] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 75.833422][ T718] cgroup_file_write+0x22f/0x4f0 [ 75.838341][ T718] kernfs_fop_write_iter+0x2cd/0x410 [ 75.843611][ T718] ? cgroup_seqfile_stop+0xc0/0xc0 [ 75.849495][ T718] vfs_write+0xb57/0xe50 [ 75.853722][ T718] ksys_write+0x157/0x260 [ 75.858029][ T718] __x64_sys_write+0x7b/0x90 [ 75.862595][ T718] do_syscall_64+0x34/0x70 [ 75.866986][ T718] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.872872][ T718] RIP: 0033:0x7fce14ce20e9 [ 75.877269][ T718] 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 [ 75.896860][ T718] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.905247][ T718] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 75.913194][ T718] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 75.921142][ T718] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 75.929097][ T718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 75.937050][ T718] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 75.945215][ T718] !!! cgroup_apply_control_disable [ 75.950350][ T718] !!! cgroup_apply_control_disable kill_css ffff88811355f400 [ 75.957852][ T718] !!! cgroup_apply_control_disable kill_css ffff88811355ec00 [ 75.991333][ C0] !!! css_killed_ref_fn css ffff88811355f400 !!! [ 75.997844][ C0] !!! css_killed_ref_fn css ffff88811355ec00 !!! [ 76.004365][ T388] !!! css_release css ffff88811355f400 !!! [ 76.010180][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811355f400 !!! [ 76.017728][ T388] !!! css_release css ffff88811355ec00 !!! [ 76.023749][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811355ec00 !!! [ 76.031351][ T730] !!! css_create !!! [ 76.035412][ T730] !!! css_create !!! [ 76.039371][ T730] !!! css_create !!! [ 76.043380][ T730] FAULT_INJECTION: forcing a failure. [ 76.043380][ T730] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 76.056624][ T730] CPU: 0 PID: 730 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 76.068136][ T730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.078186][ T730] Call Trace: [ 76.081608][ T730] dump_stack+0x19c/0x1e2 [ 76.085934][ T730] should_fail+0x3f7/0x5b0 [ 76.090345][ T730] should_fail_alloc_page+0xa9/0xd0 [ 76.095514][ T730] __alloc_pages_nodemask+0x121/0x740 [ 76.100855][ T730] ? __kasan_check_read+0x11/0x20 [ 76.105854][ T730] ? preempt_schedule_common+0xcb/0x100 [ 76.111381][ T730] allocate_slab+0x72/0x580 [ 76.115855][ T730] ___slab_alloc+0x131/0x2e0 [ 76.120434][ T730] ? pids_css_alloc+0x4e/0x120 [ 76.125173][ T730] __slab_alloc+0x63/0xa0 [ 76.130321][ T730] ? pids_css_alloc+0x4e/0x120 [ 76.135200][ T730] kmem_cache_alloc_trace+0xe5/0x2b0 [ 76.140473][ T730] ? pids_css_alloc+0x4e/0x120 [ 76.145356][ T730] pids_css_alloc+0x4e/0x120 [ 76.149944][ T730] cgroup_apply_control_enable+0x44e/0xfc0 [ 76.155751][ T730] cgroup_apply_control+0x36/0x710 [ 76.160852][ T730] ? init_wait_entry+0xe0/0xe0 [ 76.165608][ T730] ? cgroup_kn_lock_live+0x1af/0x370 [ 76.170891][ T730] cgroup_subtree_control_write+0xd05/0x12d0 [ 76.176866][ T730] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 76.182839][ T730] cgroup_file_write+0x22f/0x4f0 [ 76.187871][ T730] kernfs_fop_write_iter+0x2cd/0x410 [ 76.193137][ T730] ? cgroup_seqfile_stop+0xc0/0xc0 [ 76.198221][ T730] vfs_write+0xb57/0xe50 [ 76.202441][ T730] ksys_write+0x157/0x260 [ 76.206912][ T730] __x64_sys_write+0x7b/0x90 [ 76.211506][ T730] do_syscall_64+0x34/0x70 [ 76.215903][ T730] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.221768][ T730] RIP: 0033:0x7fd11bd980e9 [ 76.226157][ T730] 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 [ 76.246200][ T730] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.254603][ T730] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 76.262579][ T730] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 76.270539][ T730] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 76.278713][ T730] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 76.286690][ T730] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 76.295233][ T730] !!! css_create !!! [ 76.299237][ T730] !!! css_create !!! [ 76.303225][ T730] !!! css_create !!! [ 76.307285][ T730] !!! cgroup_apply_control_disable [ 76.313069][ T738] !!! cgroup_apply_control_disable [ 76.318293][ T738] !!! cgroup_apply_control_disable kill_css ffff88811375d000 [ 76.328807][ T738] !!! cgroup_apply_control_disable kill_css ffff88811375fc00 [ 76.336435][ T738] !!! cgroup_apply_control_disable kill_css ffff88810c803800 [ 76.343997][ T738] !!! cgroup_apply_control_disable kill_css ffff88810c803400 [ 76.351490][ T738] !!! cgroup_apply_control_disable kill_css ffff88810c803c00 [ 76.358970][ T738] !!! cgroup_apply_control_disable kill_css ffff88810c803000 [ 76.366666][ C0] !!! css_killed_ref_fn css ffff88811375d000 !!! [ 76.371140][ C1] !!! css_killed_ref_fn css ffff88810c803800 !!! [ 76.373021][ C0] !!! css_killed_ref_fn css ffff88811375fc00 !!! [ 76.379362][ T426] !!! css_release css ffff88810c803800 !!! [ 76.387697][ C0] !!! css_killed_ref_fn css ffff88810c803400 !!! [ 76.391798][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810c803800 !!! [ 76.405877][ C0] !!! css_killed_ref_fn css ffff88810c803c00 !!! [ 76.411127][ C1] !!! css_killed_ref_fn css ffff88810c803000 !!! [ 76.412432][ T388] !!! css_release css ffff88811375d000 !!! [ 76.424509][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811375d000 !!! [ 76.432355][ T426] !!! css_release css ffff88810c803000 !!! [ 76.439243][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810c803000 !!! [ 76.447032][ T388] !!! css_release css ffff88811375fc00 !!! [ 76.452921][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811375fc00 !!! [ 76.460550][ T388] !!! css_release css ffff88810c803400 !!! [ 76.466554][ T388] !!! css_put is zero set CSS_NO_REF css ffff88810c803400 !!! [ 76.474282][ T388] !!! css_release css ffff88810c803c00 !!! [ 76.480119][ T388] !!! css_put is zero set CSS_NO_REF css ffff88810c803c00 !!! [ 76.487886][ T739] !!! css_create !!! [ 76.491954][ T739] !!! css_create !!! [ 76.495882][ T739] !!! css_create !!! [ 76.499764][ T739] FAULT_INJECTION: forcing a failure. [ 76.499764][ T739] name failslab, interval 1, probability 0, space 0, times 0 [ 76.512620][ T739] CPU: 1 PID: 739 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 76.524297][ T739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.534429][ T739] Call Trace: [ 76.537700][ T739] dump_stack+0x19c/0x1e2 [ 76.542126][ T739] should_fail+0x3f7/0x5b0 [ 76.546521][ T739] __should_failslab+0xd2/0x130 [ 76.551351][ T739] should_failslab+0x9/0x20 [ 76.555827][ T739] slab_pre_alloc_hook+0x25/0xe0 [ 76.560744][ T739] ? __kernfs_new_node+0x4c/0x6d0 [ 76.565764][ T739] __kmalloc_track_caller+0x70/0x300 [ 76.571051][ T739] ? __kernfs_new_node+0x4c/0x6d0 [ 76.576064][ T739] kstrdup_const+0x55/0x90 [ 76.580487][ T739] __kernfs_new_node+0x4c/0x6d0 [ 76.585589][ T739] ? string+0x29f/0x2b0 [ 76.589739][ T739] ? vsnprintf+0x1a6c/0x1b30 [ 76.594326][ T739] kernfs_new_node+0x97/0x170 [ 76.598998][ T739] __kernfs_create_file+0x4a/0x270 [ 76.604455][ T739] cgroup_addrm_files+0x99e/0xeb0 [ 76.609497][ T739] ? delete_node+0x747/0x7a0 [ 76.614077][ T739] css_populate_dir+0x137/0x370 [ 76.618922][ T739] cgroup_apply_control_enable+0x31e/0xfc0 [ 76.624787][ T739] cgroup_apply_control+0x36/0x710 [ 76.629902][ T739] ? init_wait_entry+0xe0/0xe0 [ 76.634643][ T739] ? cgroup_kn_lock_live+0x1af/0x370 [ 76.639915][ T739] cgroup_subtree_control_write+0xd05/0x12d0 [ 76.645873][ T739] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 76.651841][ T739] cgroup_file_write+0x22f/0x4f0 [ 76.656765][ T739] kernfs_fop_write_iter+0x2cd/0x410 [ 76.662027][ T739] ? cgroup_seqfile_stop+0xc0/0xc0 [ 76.667554][ T739] vfs_write+0xb57/0xe50 [ 76.671782][ T739] ksys_write+0x157/0x260 [ 76.676085][ T739] __x64_sys_write+0x7b/0x90 [ 76.680832][ T739] do_syscall_64+0x34/0x70 [ 76.685250][ T739] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.691277][ T739] RIP: 0033:0x7f9ada61d0e9 [ 76.695673][ T739] 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 [ 76.716252][ T739] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.724862][ T739] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 76.732836][ T739] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 76.741071][ T739] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 76.749117][ T739] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 76.757070][ T739] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 76.765696][ T739] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 76.772763][ T739] !!! cgroup_apply_control_disable [ 76.777854][ T739] !!! cgroup_apply_control_disable kill_css ffff888113b43400 [ 76.785364][ T739] !!! cgroup_apply_control_disable kill_css ffff888113b41800 [ 76.792879][ T739] !!! cgroup_apply_control_disable kill_css ffff888113b43c00 [ 76.811520][ C1] !!! css_killed_ref_fn css ffff888113b43400 !!! [ 76.818084][ T426] !!! css_release css ffff888113b43400 !!! [ 76.823911][ C1] !!! css_killed_ref_fn css ffff888113b41800 !!! [ 76.823919][ C1] !!! css_killed_ref_fn css ffff888113b43c00 !!! [ 76.837036][ T426] !!! css_put is zero set CSS_NO_REF css ffff888113b43400 !!! [ 76.844682][ T426] !!! css_release css ffff888113b41800 !!! [ 76.850504][ T426] !!! css_put is zero set CSS_NO_REF css ffff888113b41800 !!! [ 76.858417][ T426] !!! css_release css ffff888113b43c00 !!! [ 76.864330][ T426] !!! css_put is zero set CSS_NO_REF css ffff888113b43c00 !!! [ 76.871985][ T742] !!! css_create !!! [ 76.875944][ T742] !!! css_create !!! [ 76.879875][ T742] !!! css_create !!! [ 76.883813][ T742] FAULT_INJECTION: forcing a failure. [ 76.883813][ T742] name failslab, interval 1, probability 0, space 0, times 0 [ 76.896530][ T742] CPU: 0 PID: 742 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 76.908049][ T742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.918081][ T742] Call Trace: [ 76.921347][ T742] dump_stack+0x19c/0x1e2 [ 76.925667][ T742] should_fail+0x3f7/0x5b0 [ 76.930059][ T742] __should_failslab+0xd2/0x130 [ 76.934974][ T742] should_failslab+0x9/0x20 [ 76.939449][ T742] slab_pre_alloc_hook+0x25/0xe0 [ 76.944360][ T742] kmem_cache_alloc_trace+0x47/0x2b0 [ 76.949630][ T742] ? pids_css_alloc+0x4e/0x120 [ 76.954376][ T742] pids_css_alloc+0x4e/0x120 [ 76.958941][ T742] cgroup_apply_control_enable+0x44e/0xfc0 [ 76.964732][ T742] cgroup_apply_control+0x36/0x710 [ 76.969814][ T742] ? init_wait_entry+0xe0/0xe0 [ 76.974567][ T742] ? cgroup_kn_lock_live+0x1af/0x370 [ 76.979882][ T742] cgroup_subtree_control_write+0xd05/0x12d0 [ 76.985856][ T742] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 76.991838][ T742] cgroup_file_write+0x22f/0x4f0 [ 76.996785][ T742] kernfs_fop_write_iter+0x2cd/0x410 [ 77.002059][ T742] ? cgroup_seqfile_stop+0xc0/0xc0 [ 77.007148][ T742] vfs_write+0xb57/0xe50 [ 77.011376][ T742] ksys_write+0x157/0x260 [ 77.015700][ T742] __x64_sys_write+0x7b/0x90 [ 77.020312][ T742] do_syscall_64+0x34/0x70 [ 77.024711][ T742] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.030590][ T742] RIP: 0033:0x7fce14ce20e9 [ 77.035370][ T742] 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 [ 77.055130][ T742] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.063541][ T742] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 77.071513][ T742] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 77.079467][ T742] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 77.087458][ T742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 77.095563][ T742] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 77.104303][ T742] !!! cgroup_apply_control_disable [ 77.109749][ T742] !!! cgroup_apply_control_disable kill_css ffff888113b40800 [ 77.117599][ T742] !!! cgroup_apply_control_disable kill_css ffff888113d98800 [ 77.151124][ C0] !!! css_killed_ref_fn css ffff888113b40800 !!! [ 77.157686][ T388] !!! css_release css ffff888113b40800 !!! [ 77.163568][ T388] !!! css_put is zero set CSS_NO_REF css ffff888113b40800 !!! [ 77.171129][ C1] !!! css_killed_ref_fn css ffff888113d98800 !!! [ 77.177866][ T426] !!! css_release css ffff888113d98800 !!! [ 77.183793][ T426] !!! css_put is zero set CSS_NO_REF css ffff888113d98800 !!! [ 77.191475][ T733] !!! css_create !!! [ 77.195399][ T733] !!! css_create !!! [ 77.199293][ T733] !!! css_create !!! [ 77.203400][ T733] FAULT_INJECTION: forcing a failure. [ 77.203400][ T733] name failslab, interval 1, probability 0, space 0, times 0 [ 77.216162][ T733] CPU: 0 PID: 733 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 77.227676][ T733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.237703][ T733] Call Trace: [ 77.241085][ T733] dump_stack+0x19c/0x1e2 [ 77.245410][ T733] should_fail+0x3f7/0x5b0 [ 77.250052][ T733] __should_failslab+0xd2/0x130 [ 77.254909][ T733] should_failslab+0x9/0x20 [ 77.259412][ T733] slab_pre_alloc_hook+0x25/0xe0 [ 77.264354][ T733] ? __kernfs_new_node+0x4c/0x6d0 [ 77.269538][ T733] __kmalloc_track_caller+0x70/0x300 [ 77.274869][ T733] ? __kernfs_new_node+0x4c/0x6d0 [ 77.279872][ T733] kstrdup_const+0x55/0x90 [ 77.284281][ T733] __kernfs_new_node+0x4c/0x6d0 [ 77.289313][ T733] ? string+0x29f/0x2b0 [ 77.293640][ T733] ? vsnprintf+0x1a6c/0x1b30 [ 77.298206][ T733] kernfs_new_node+0x97/0x170 [ 77.302854][ T733] __kernfs_create_file+0x4a/0x270 [ 77.307938][ T733] cgroup_addrm_files+0x99e/0xeb0 [ 77.312933][ T733] ? delete_node+0x747/0x7a0 [ 77.317494][ T733] css_populate_dir+0x137/0x370 [ 77.322312][ T733] cgroup_apply_control_enable+0x31e/0xfc0 [ 77.328088][ T733] cgroup_apply_control+0x36/0x710 [ 77.333183][ T733] ? init_wait_entry+0xe0/0xe0 [ 77.337921][ T733] ? cgroup_kn_lock_live+0x1af/0x370 [ 77.343181][ T733] cgroup_subtree_control_write+0xd05/0x12d0 [ 77.349219][ T733] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 77.355167][ T733] cgroup_file_write+0x22f/0x4f0 [ 77.360071][ T733] kernfs_fop_write_iter+0x2cd/0x410 [ 77.365356][ T733] ? cgroup_seqfile_stop+0xc0/0xc0 [ 77.370454][ T733] vfs_write+0xb57/0xe50 [ 77.374679][ T733] ksys_write+0x157/0x260 [ 77.379006][ T733] __x64_sys_write+0x7b/0x90 [ 77.383597][ T733] do_syscall_64+0x34/0x70 [ 77.388023][ T733] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.393899][ T733] RIP: 0033:0x7fd31cb190e9 [ 77.398300][ T733] 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 [ 77.417963][ T733] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.426615][ T733] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 77.434586][ T733] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 77.442540][ T733] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 77.450523][ T733] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 77.458473][ T733] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 77.467373][ T733] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 77.474518][ T733] !!! cgroup_apply_control_disable [ 77.479632][ T733] !!! cgroup_apply_control_disable kill_css ffff888113d5dc00 [ 77.487432][ T733] !!! cgroup_apply_control_disable kill_css ffff888113d5cc00 [ 77.494915][ T733] !!! cgroup_apply_control_disable kill_css ffff888113d0bc00 [ 77.521195][ C1] !!! css_killed_ref_fn css ffff888113d5dc00 !!! [ 77.528054][ C1] !!! css_killed_ref_fn css ffff888113d5cc00 !!! [ 77.531154][ C0] !!! css_killed_ref_fn css ffff888113d0bc00 !!! [ 77.534467][ T426] !!! css_release css ffff888113d5dc00 !!! [ 77.547030][ T426] !!! css_put is zero set CSS_NO_REF css ffff888113d5dc00 !!! [ 77.554771][ T5] !!! css_release css ffff888113d0bc00 !!! [ 77.560679][ T5] !!! css_put is zero set CSS_NO_REF css ffff888113d0bc00 !!! [ 77.568487][ T759] !!! css_create !!! [ 77.572530][ T759] !!! css_create !!! [ 77.576480][ T759] !!! css_create !!! [ 77.580754][ T759] FAULT_INJECTION: forcing a failure. [ 77.580754][ T759] name failslab, interval 1, probability 0, space 0, times 0 [ 77.593501][ T759] CPU: 0 PID: 759 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 77.605019][ T759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.615136][ T759] Call Trace: [ 77.618407][ T759] dump_stack+0x19c/0x1e2 [ 77.622714][ T759] should_fail+0x3f7/0x5b0 [ 77.627241][ T759] __should_failslab+0xd2/0x130 [ 77.632064][ T759] should_failslab+0x9/0x20 [ 77.636541][ T759] slab_pre_alloc_hook+0x25/0xe0 [ 77.641460][ T759] ? __kernfs_new_node+0x4c/0x6d0 [ 77.646545][ T759] __kmalloc_track_caller+0x70/0x300 [ 77.651801][ T759] ? __kernfs_new_node+0x4c/0x6d0 [ 77.656796][ T759] kstrdup_const+0x55/0x90 [ 77.661187][ T759] __kernfs_new_node+0x4c/0x6d0 [ 77.666009][ T759] ? string+0x29f/0x2b0 [ 77.670143][ T759] ? vsnprintf+0x1a6c/0x1b30 [ 77.674706][ T759] kernfs_new_node+0x97/0x170 [ 77.679356][ T759] __kernfs_create_file+0x4a/0x270 [ 77.684450][ T759] cgroup_addrm_files+0x99e/0xeb0 [ 77.689456][ T759] ? delete_node+0x747/0x7a0 [ 77.694228][ T759] css_populate_dir+0x137/0x370 [ 77.699053][ T759] cgroup_apply_control_enable+0x31e/0xfc0 [ 77.704839][ T759] cgroup_apply_control+0x36/0x710 [ 77.709930][ T759] ? init_wait_entry+0xe0/0xe0 [ 77.714762][ T759] ? cgroup_kn_lock_live+0x1af/0x370 [ 77.720106][ T759] cgroup_subtree_control_write+0xd05/0x12d0 [ 77.726097][ T759] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 77.732061][ T759] cgroup_file_write+0x22f/0x4f0 [ 77.736974][ T759] kernfs_fop_write_iter+0x2cd/0x410 [ 77.742478][ T759] ? cgroup_seqfile_stop+0xc0/0xc0 [ 77.747763][ T759] vfs_write+0xb57/0xe50 [ 77.752337][ T759] ksys_write+0x157/0x260 [ 77.756664][ T759] __x64_sys_write+0x7b/0x90 [ 77.761236][ T759] do_syscall_64+0x34/0x70 [ 77.765726][ T759] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.771604][ T759] RIP: 0033:0x7fd11bd980e9 [ 77.776008][ T759] 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 [ 77.795790][ T759] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.804208][ T759] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 77.812189][ T759] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/05/31 18:33:20 executed programs: 107 [ 77.820497][ T759] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 77.828693][ T759] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 77.836656][ T759] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 77.845162][ T759] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 77.852261][ T759] !!! cgroup_apply_control_disable [ 77.857472][ T759] !!! cgroup_apply_control_disable kill_css ffff888113b41c00 [ 77.864895][ T759] !!! cgroup_apply_control_disable kill_css ffff888113b43000 [ 77.872342][ T759] !!! cgroup_apply_control_disable kill_css ffff888113b40000 [ 77.886034][ C0] !!! css_killed_ref_fn css ffff888113b41c00 !!! [ 77.892613][ T5] !!! css_release css ffff888113b41c00 !!! [ 77.898420][ T5] !!! css_put is zero set CSS_NO_REF css ffff888113b41c00 !!! [ 77.905942][ C0] !!! css_killed_ref_fn css ffff888113b43000 !!! [ 77.912289][ C0] !!! css_killed_ref_fn css ffff888113b40000 !!! [ 77.918645][ T5] !!! css_release css ffff888113b43000 !!! [ 77.924800][ T5] !!! css_put is zero set CSS_NO_REF css ffff888113b43000 !!! [ 77.932526][ T5] !!! css_release css ffff888113b40000 !!! [ 77.938541][ T5] !!! css_put is zero set CSS_NO_REF css ffff888113b40000 !!! [ 77.946190][ T769] !!! css_create !!! [ 77.950348][ T769] !!! css_create !!! [ 77.954618][ T769] !!! css_create !!! [ 77.958581][ T769] FAULT_INJECTION: forcing a failure. [ 77.958581][ T769] name failslab, interval 1, probability 0, space 0, times 0 [ 77.971469][ T769] CPU: 0 PID: 769 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 77.983175][ T769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.993216][ T769] Call Trace: [ 77.996501][ T769] dump_stack+0x19c/0x1e2 [ 78.000809][ T769] should_fail+0x3f7/0x5b0 [ 78.005198][ T769] __should_failslab+0xd2/0x130 [ 78.010022][ T769] should_failslab+0x9/0x20 [ 78.014516][ T769] slab_pre_alloc_hook+0x25/0xe0 [ 78.019439][ T769] kmem_cache_alloc_trace+0x47/0x2b0 [ 78.024712][ T769] ? percpu_ref_init+0xd0/0x330 [ 78.029539][ T769] percpu_ref_init+0xd0/0x330 [ 78.034289][ T769] ? cgroup_setup_root+0x8a0/0x8a0 [ 78.039385][ T769] cgroup_apply_control_enable+0x49f/0xfc0 [ 78.045166][ T769] cgroup_apply_control+0x36/0x710 [ 78.050251][ T769] ? init_wait_entry+0xe0/0xe0 [ 78.055092][ T769] ? cgroup_kn_lock_live+0x1af/0x370 [ 78.060382][ T769] cgroup_subtree_control_write+0xd05/0x12d0 [ 78.067469][ T769] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 78.073686][ T769] cgroup_file_write+0x22f/0x4f0 [ 78.078620][ T769] kernfs_fop_write_iter+0x2cd/0x410 [ 78.083929][ T769] ? cgroup_seqfile_stop+0xc0/0xc0 [ 78.089034][ T769] vfs_write+0xb57/0xe50 [ 78.093275][ T769] ksys_write+0x157/0x260 [ 78.097611][ T769] __x64_sys_write+0x7b/0x90 [ 78.102282][ T769] do_syscall_64+0x34/0x70 [ 78.106692][ T769] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.112723][ T769] RIP: 0033:0x7fd11bd980e9 [ 78.117128][ T769] 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 [ 78.136718][ T769] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.145121][ T769] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 78.153086][ T769] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 78.161038][ T769] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 78.168999][ T769] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 78.176955][ T769] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 78.185367][ T769] !!! cgroup_apply_control_disable [ 78.190532][ T769] !!! cgroup_apply_control_disable kill_css ffff888114e3a000 [ 78.198000][ T769] !!! cgroup_apply_control_disable kill_css ffff888114089400 [ 78.261128][ C0] !!! css_killed_ref_fn css ffff888114e3a000 !!! [ 78.267514][ C0] !!! css_killed_ref_fn css ffff888114089400 !!! [ 78.274145][ T388] !!! css_release css ffff888114e3a000 !!! [ 78.279970][ T388] !!! css_put is zero set CSS_NO_REF css ffff888114e3a000 !!! [ 78.287512][ T388] !!! css_release css ffff888114089400 !!! [ 78.293366][ T388] !!! css_put is zero set CSS_NO_REF css ffff888114089400 !!! [ 78.300867][ T760] !!! css_create !!! [ 78.304857][ T760] !!! css_create !!! [ 78.308768][ T760] !!! css_create !!! [ 78.312684][ T760] FAULT_INJECTION: forcing a failure. [ 78.312684][ T760] name failslab, interval 1, probability 0, space 0, times 0 [ 78.325274][ T760] CPU: 0 PID: 760 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 78.336791][ T760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.346851][ T760] Call Trace: [ 78.350122][ T760] dump_stack+0x19c/0x1e2 [ 78.354442][ T760] should_fail+0x3f7/0x5b0 [ 78.358844][ T760] __should_failslab+0xd2/0x130 [ 78.363685][ T760] should_failslab+0x9/0x20 [ 78.368177][ T760] slab_pre_alloc_hook+0x25/0xe0 [ 78.373461][ T760] kmem_cache_alloc_trace+0x47/0x2b0 [ 78.378840][ T760] ? pids_css_alloc+0x4e/0x120 [ 78.383595][ T760] pids_css_alloc+0x4e/0x120 [ 78.388180][ T760] cgroup_apply_control_enable+0x44e/0xfc0 [ 78.393981][ T760] cgroup_apply_control+0x36/0x710 [ 78.399199][ T760] ? init_wait_entry+0xe0/0xe0 [ 78.403934][ T760] ? cgroup_kn_lock_live+0x1af/0x370 [ 78.409191][ T760] cgroup_subtree_control_write+0xd05/0x12d0 [ 78.415142][ T760] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 78.421096][ T760] cgroup_file_write+0x22f/0x4f0 [ 78.426018][ T760] kernfs_fop_write_iter+0x2cd/0x410 [ 78.431272][ T760] ? cgroup_seqfile_stop+0xc0/0xc0 [ 78.436355][ T760] vfs_write+0xb57/0xe50 [ 78.440567][ T760] ksys_write+0x157/0x260 [ 78.444866][ T760] __x64_sys_write+0x7b/0x90 [ 78.449427][ T760] do_syscall_64+0x34/0x70 [ 78.453815][ T760] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.459692][ T760] RIP: 0033:0x7f9ada61d0e9 [ 78.464093][ T760] 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 [ 78.483690][ T760] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.492078][ T760] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 78.500025][ T760] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 78.507970][ T760] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 78.515911][ T760] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 78.523857][ T760] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 78.531928][ T760] !!! cgroup_apply_control_disable [ 78.537031][ T760] !!! cgroup_apply_control_disable kill_css ffff88811408ac00 [ 78.544480][ T760] !!! cgroup_apply_control_disable kill_css ffff888114089000 [ 78.571174][ C0] !!! css_killed_ref_fn css ffff88811408ac00 !!! [ 78.577598][ T388] !!! css_release css ffff88811408ac00 !!! [ 78.583540][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811408ac00 !!! [ 78.591265][ C0] !!! css_killed_ref_fn css ffff888114089000 !!! [ 78.597657][ T107] !!! css_release css ffff888114089000 !!! [ 78.603681][ T107] !!! css_put is zero set CSS_NO_REF css ffff888114089000 !!! [ 78.611454][ T766] !!! css_create !!! [ 78.615542][ T766] !!! css_create !!! [ 78.619732][ T766] !!! css_create !!! [ 78.623809][ T766] FAULT_INJECTION: forcing a failure. [ 78.623809][ T766] name failslab, interval 1, probability 0, space 0, times 0 [ 78.636781][ T766] CPU: 0 PID: 766 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 78.648320][ T766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.658447][ T766] Call Trace: [ 78.661737][ T766] dump_stack+0x19c/0x1e2 [ 78.666057][ T766] should_fail+0x3f7/0x5b0 [ 78.670464][ T766] __should_failslab+0xd2/0x130 [ 78.675297][ T766] should_failslab+0x9/0x20 [ 78.679775][ T766] slab_pre_alloc_hook+0x25/0xe0 [ 78.684684][ T766] ? __kernfs_new_node+0x4c/0x6d0 [ 78.689696][ T766] __kmalloc_track_caller+0x70/0x300 [ 78.694951][ T766] ? __kernfs_new_node+0x4c/0x6d0 [ 78.699947][ T766] kstrdup_const+0x55/0x90 [ 78.704335][ T766] __kernfs_new_node+0x4c/0x6d0 [ 78.709156][ T766] ? string+0x29f/0x2b0 [ 78.713518][ T766] ? vsnprintf+0x1a6c/0x1b30 [ 78.718120][ T766] kernfs_new_node+0x97/0x170 [ 78.722783][ T766] __kernfs_create_file+0x4a/0x270 [ 78.727897][ T766] cgroup_addrm_files+0x99e/0xeb0 [ 78.732931][ T766] ? delete_node+0x747/0x7a0 [ 78.737517][ T766] css_populate_dir+0x137/0x370 [ 78.742368][ T766] cgroup_apply_control_enable+0x31e/0xfc0 [ 78.748270][ T766] cgroup_apply_control+0x36/0x710 [ 78.753382][ T766] ? init_wait_entry+0xe0/0xe0 [ 78.758128][ T766] ? cgroup_kn_lock_live+0x1af/0x370 [ 78.763390][ T766] cgroup_subtree_control_write+0xd05/0x12d0 [ 78.769355][ T766] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 78.775325][ T766] cgroup_file_write+0x22f/0x4f0 [ 78.780242][ T766] kernfs_fop_write_iter+0x2cd/0x410 [ 78.785499][ T766] ? cgroup_seqfile_stop+0xc0/0xc0 [ 78.790599][ T766] vfs_write+0xb57/0xe50 [ 78.794926][ T766] ksys_write+0x157/0x260 [ 78.799361][ T766] __x64_sys_write+0x7b/0x90 [ 78.804124][ T766] do_syscall_64+0x34/0x70 [ 78.809037][ T766] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.814933][ T766] RIP: 0033:0x7fd31cb190e9 [ 78.819333][ T766] 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 [ 78.838925][ T766] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.847316][ T766] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 78.855272][ T766] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 78.863233][ T766] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 78.871196][ T766] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 78.879148][ T766] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 78.887325][ T766] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 78.894430][ T766] !!! cgroup_apply_control_disable [ 78.899568][ T766] !!! cgroup_apply_control_disable kill_css ffff888114e81800 [ 78.907320][ T766] !!! cgroup_apply_control_disable kill_css ffff888114e80800 [ 78.915011][ T766] !!! cgroup_apply_control_disable kill_css ffff888114e82800 [ 78.961162][ C1] !!! css_killed_ref_fn css ffff888114e81800 !!! [ 78.967628][ T19] !!! css_release css ffff888114e81800 !!! [ 78.973628][ T19] !!! css_put is zero set CSS_NO_REF css ffff888114e81800 !!! [ 78.981142][ C1] !!! css_killed_ref_fn css ffff888114e80800 !!! [ 78.981155][ C1] !!! css_killed_ref_fn css ffff888114e82800 !!! [ 78.994313][ T426] !!! css_release css ffff888114e80800 !!! [ 79.000138][ T426] !!! css_put is zero set CSS_NO_REF css ffff888114e80800 !!! [ 79.007677][ T19] !!! css_release css ffff888114e82800 !!! [ 79.013492][ T19] !!! css_put is zero set CSS_NO_REF css ffff888114e82800 !!! [ 79.021156][ T754] !!! css_create !!! [ 79.025215][ T754] !!! css_create !!! [ 79.029374][ T754] !!! css_create !!! [ 79.033413][ T754] FAULT_INJECTION: forcing a failure. [ 79.033413][ T754] name failslab, interval 1, probability 0, space 0, times 0 [ 79.046169][ T754] CPU: 1 PID: 754 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 79.057823][ T754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.067876][ T754] Call Trace: [ 79.071167][ T754] dump_stack+0x19c/0x1e2 [ 79.075570][ T754] should_fail+0x3f7/0x5b0 [ 79.079964][ T754] __should_failslab+0xd2/0x130 [ 79.084798][ T754] should_failslab+0x9/0x20 [ 79.089408][ T754] slab_pre_alloc_hook+0x25/0xe0 [ 79.094327][ T754] ? __kernfs_new_node+0x4c/0x6d0 [ 79.099508][ T754] __kmalloc_track_caller+0x70/0x300 [ 79.104763][ T754] ? __kernfs_new_node+0x4c/0x6d0 [ 79.110905][ T754] kstrdup_const+0x55/0x90 [ 79.115291][ T754] __kernfs_new_node+0x4c/0x6d0 [ 79.120239][ T754] ? string+0x29f/0x2b0 [ 79.124486][ T754] ? vsnprintf+0x1a6c/0x1b30 [ 79.129066][ T754] kernfs_new_node+0x97/0x170 [ 79.133722][ T754] __kernfs_create_file+0x4a/0x270 [ 79.138824][ T754] cgroup_addrm_files+0x99e/0xeb0 [ 79.143831][ T754] ? delete_node+0x747/0x7a0 [ 79.148561][ T754] css_populate_dir+0x137/0x370 [ 79.153589][ T754] cgroup_apply_control_enable+0x31e/0xfc0 [ 79.159400][ T754] cgroup_apply_control+0x36/0x710 [ 79.164506][ T754] ? init_wait_entry+0xe0/0xe0 [ 79.169353][ T754] ? cgroup_kn_lock_live+0x1af/0x370 [ 79.174749][ T754] cgroup_subtree_control_write+0xd05/0x12d0 [ 79.180735][ T754] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 79.186710][ T754] cgroup_file_write+0x22f/0x4f0 [ 79.191663][ T754] kernfs_fop_write_iter+0x2cd/0x410 [ 79.197037][ T754] ? cgroup_seqfile_stop+0xc0/0xc0 [ 79.202157][ T754] vfs_write+0xb57/0xe50 [ 79.206645][ T754] ksys_write+0x157/0x260 [ 79.211063][ T754] __x64_sys_write+0x7b/0x90 [ 79.215644][ T754] do_syscall_64+0x34/0x70 [ 79.220059][ T754] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.225932][ T754] RIP: 0033:0x7f6f953440e9 [ 79.230324][ T754] 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 [ 79.250093][ T754] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.258500][ T754] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 79.266486][ T754] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 79.274442][ T754] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 79.282478][ T754] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 79.290436][ T754] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 79.298657][ T754] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 79.307779][ T754] !!! cgroup_apply_control_disable [ 79.312902][ T754] !!! cgroup_apply_control_disable kill_css ffff888114f39000 [ 79.320284][ T754] !!! cgroup_apply_control_disable kill_css ffff888114f3ac00 [ 79.327840][ T754] !!! cgroup_apply_control_disable kill_css ffff888115454800 [ 79.337348][ T424] ------------[ cut here ]------------ [ 79.342894][ T424] WARNING: CPU: 0 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 79.351117][ C1] !!! css_killed_ref_fn css ffff888114f39000 !!! [ 79.351834][ T424] Modules linked in: [ 79.358217][ T19] !!! css_release css ffff888114f39000 !!! [ 79.362077][ T424] CPU: 0 PID: 424 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 79.362090][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.367890][ T19] !!! css_put is zero set CSS_NO_REF css ffff888114f39000 !!! [ 79.379505][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 79.402737][ T424] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 79.422439][ T424] RSP: 0018:ffffc90000d67d58 EFLAGS: 00010293 [ 79.428615][ T424] RAX: ffffffff81af040c RBX: ffff888113558260 RCX: ffff888108136ac0 [ 79.436691][ T424] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 79.445025][ T424] RBP: ffffc90000d67dc8 R08: ffffffff81af0137 R09: fffff520001acfa3 [ 79.453086][ T424] R10: fffff520001acfa3 R11: 1ffff920001acfa2 R12: dffffc0000000000 [ 79.461048][ T424] R13: ffff888113558180 R14: 00000000ffffffff R15: 0000000000000000 [ 79.469022][ T424] FS: 000055555565d400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 79.477949][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.484529][ T424] CR2: 00007ffc80b38ff8 CR3: 00000001029ff000 CR4: 00000000003506b0 [ 79.492502][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.500446][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.508409][ T424] Call Trace: [ 79.511697][ T424] ? init_wait_entry+0xe0/0xe0 [ 79.516517][ T424] ? up_write+0x68/0x140 [ 79.520758][ T424] namespace_unlock+0x377/0x420 [ 79.525826][ T424] path_umount+0xe23/0xed0 [ 79.530510][ T424] __x64_sys_umount+0xe8/0x110 [ 79.535334][ T424] do_syscall_64+0x34/0x70 [ 79.539750][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.545659][ T424] RIP: 0033:0x7f6f95345557 [ 79.550082][ T424] 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 [ 79.569701][ T424] RSP: 002b:00007ffc80b39298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 79.578317][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f95345557 [ 79.586304][ T424] RDX: 00007ffc80b3936a RSI: 000000000000000a RDI: 00007ffc80b39360 [ 79.594484][ T424] RBP: 00007ffc80b39360 R08: 00000000ffffffff R09: 00007ffc80b39130 [ 79.602720][ T424] R10: 000055555565eba3 R11: 0000000000000246 R12: 00007f6f9539d1f8 [ 79.611034][ T424] R13: 00007ffc80b3a420 R14: 000055555565eb00 R15: 00007ffc80b3a460 [ 79.619132][ T424] ---[ end trace 3a08363c28c4e383 ]--- [ 79.624722][ T424] ------------[ cut here ]------------ [ 79.630428][ T424] WARNING: CPU: 1 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 79.639568][ C1] !!! css_killed_ref_fn css ffff888114f3ac00 !!! [ 79.639586][ C1] !!! css_killed_ref_fn css ffff888115454800 !!! [ 79.653014][ T424] Modules linked in: [ 79.656899][ T424] CPU: 1 PID: 424 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 79.668538][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.678631][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 79.684418][ T424] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 79.704162][ T424] RSP: 0018:ffffc90000d67dd0 EFLAGS: 00010293 [ 79.710226][ T424] RAX: ffffffff81af040c RBX: ffff888113558260 RCX: ffff888108136ac0 [ 79.718208][ T424] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 79.726437][ T424] RBP: ffffc90000d67e40 R08: ffffffff81af0137 R09: fffff520001acfb2 [ 79.734457][ T424] R10: fffff520001acfb2 R11: 1ffff920001acfb1 R12: dffffc0000000000 [ 79.742440][ T424] R13: ffff888113558180 R14: 00000000fffffffe R15: 0000000000000000 [ 79.750505][ T424] FS: 000055555565d400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 79.759442][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.766024][ T424] CR2: 0000555555d83b78 CR3: 00000001029ff000 CR4: 00000000003506a0 [ 79.774042][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.782137][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.790104][ T424] Call Trace: [ 79.793424][ T424] path_umount+0x1ad/0xed0 [ 79.797854][ T424] __x64_sys_umount+0xe8/0x110 [ 79.802625][ T424] do_syscall_64+0x34/0x70 [ 79.807052][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.812968][ T424] RIP: 0033:0x7f6f95345557 [ 79.817372][ T424] 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 [ 79.837345][ T424] RSP: 002b:00007ffc80b39298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 79.845753][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f95345557 [ 79.853716][ T424] RDX: 00007ffc80b3936a RSI: 000000000000000a RDI: 00007ffc80b39360 [ 79.861678][ T424] RBP: 00007ffc80b39360 R08: 00000000ffffffff R09: 00007ffc80b39130 [ 79.869804][ T424] R10: 000055555565eba3 R11: 0000000000000246 R12: 00007f6f9539d1f8 [ 79.877800][ T424] R13: 00007ffc80b3a420 R14: 000055555565eb00 R15: 00007ffc80b3a460 [ 79.886194][ T424] ---[ end trace 3a08363c28c4e384 ]--- [ 79.891707][ T19] !!! css_release css ffff888114f3ac00 !!! [ 79.897614][ T19] !!! css_put is zero set CSS_NO_REF css ffff888114f3ac00 !!! [ 79.905163][ T426] !!! css_release css ffff888115454800 !!! [ 79.911283][ T426] !!! css_put is zero set CSS_NO_REF css ffff888115454800 !!! [ 79.920510][ T763] !!! css_create !!! [ 79.924617][ T763] !!! css_create !!! [ 79.928514][ T763] !!! css_create !!! [ 79.932762][ T763] FAULT_INJECTION: forcing a failure. [ 79.932762][ T763] name failslab, interval 1, probability 0, space 0, times 0 [ 79.946432][ T763] CPU: 0 PID: 763 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 79.957960][ T763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.967999][ T763] Call Trace: [ 79.971286][ T763] dump_stack+0x19c/0x1e2 [ 79.975598][ T763] should_fail+0x3f7/0x5b0 [ 79.980104][ T763] __should_failslab+0xd2/0x130 [ 79.985242][ T763] should_failslab+0x9/0x20 [ 79.989744][ T763] slab_pre_alloc_hook+0x25/0xe0 [ 79.994674][ T763] ? __kernfs_new_node+0x4c/0x6d0 [ 79.999698][ T763] __kmalloc_track_caller+0x70/0x300 [ 80.004961][ T763] ? __kernfs_new_node+0x4c/0x6d0 [ 80.009977][ T763] kstrdup_const+0x55/0x90 [ 80.014505][ T763] __kernfs_new_node+0x4c/0x6d0 [ 80.019517][ T763] ? string+0x29f/0x2b0 [ 80.023669][ T763] ? vsnprintf+0x1a6c/0x1b30 [ 80.028263][ T763] kernfs_new_node+0x97/0x170 [ 80.032942][ T763] __kernfs_create_file+0x4a/0x270 [ 80.038043][ T763] cgroup_addrm_files+0x99e/0xeb0 [ 80.043059][ T763] ? delete_node+0x747/0x7a0 [ 80.047636][ T763] css_populate_dir+0x137/0x370 [ 80.052470][ T763] cgroup_apply_control_enable+0x31e/0xfc0 [ 80.058631][ T763] cgroup_apply_control+0x36/0x710 [ 80.063712][ T763] ? init_wait_entry+0xe0/0xe0 [ 80.068578][ T763] ? cgroup_kn_lock_live+0x1af/0x370 [ 80.073845][ T763] cgroup_subtree_control_write+0xd05/0x12d0 [ 80.079822][ T763] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 80.085799][ T763] cgroup_file_write+0x22f/0x4f0 [ 80.090820][ T763] kernfs_fop_write_iter+0x2cd/0x410 [ 80.096081][ T763] ? cgroup_seqfile_stop+0xc0/0xc0 [ 80.101239][ T763] vfs_write+0xb57/0xe50 [ 80.105464][ T763] ksys_write+0x157/0x260 [ 80.109789][ T763] __x64_sys_write+0x7b/0x90 [ 80.114358][ T763] do_syscall_64+0x34/0x70 [ 80.118834][ T763] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.125017][ T763] RIP: 0033:0x7fce14ce20e9 [ 80.129521][ T763] 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 [ 80.149256][ T763] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.157654][ T763] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 80.165689][ T763] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 80.173738][ T763] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 80.181706][ T763] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 80.189742][ T763] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 80.197787][ T763] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 80.204945][ T763] !!! cgroup_apply_control_disable [ 80.210081][ T763] !!! cgroup_apply_control_disable kill_css ffff888115444800 [ 80.217734][ T763] !!! cgroup_apply_control_disable kill_css ffff888115446800 [ 80.225289][ T763] !!! cgroup_apply_control_disable kill_css ffff888115444c00 [ 80.291180][ C1] !!! css_killed_ref_fn css ffff888115444800 !!! [ 80.297673][ C1] !!! css_killed_ref_fn css ffff888115446800 !!! [ 80.304022][ C1] !!! css_killed_ref_fn css ffff888115444c00 !!! [ 80.310365][ T19] !!! css_release css ffff888115444800 !!! [ 80.316272][ T19] !!! css_put is zero set CSS_NO_REF css ffff888115444800 !!! [ 80.323942][ T19] !!! css_release css ffff888115446800 !!! [ 80.329764][ T19] !!! css_put is zero set CSS_NO_REF css ffff888115446800 !!! [ 80.337440][ T426] !!! css_release css ffff888115444c00 !!! [ 80.343280][ T426] !!! css_put is zero set CSS_NO_REF css ffff888115444c00 !!! [ 80.350809][ T736] !!! css_create !!! [ 80.354758][ T736] !!! css_create !!! [ 80.358699][ T736] !!! css_create !!! [ 80.362716][ T736] FAULT_INJECTION: forcing a failure. [ 80.362716][ T736] name failslab, interval 1, probability 0, space 0, times 0 [ 80.375556][ T736] CPU: 0 PID: 736 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 80.387075][ T736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.397105][ T736] Call Trace: [ 80.400366][ T736] dump_stack+0x19c/0x1e2 [ 80.404666][ T736] should_fail+0x3f7/0x5b0 [ 80.409052][ T736] __should_failslab+0xd2/0x130 [ 80.414020][ T736] should_failslab+0x9/0x20 [ 80.418503][ T736] slab_pre_alloc_hook+0x25/0xe0 [ 80.423414][ T736] kmem_cache_alloc_trace+0x47/0x2b0 [ 80.428690][ T736] ? percpu_ref_init+0xd0/0x330 [ 80.433523][ T736] percpu_ref_init+0xd0/0x330 [ 80.438254][ T736] ? cgroup_setup_root+0x8a0/0x8a0 [ 80.443334][ T736] cgroup_apply_control_enable+0x49f/0xfc0 [ 80.449137][ T736] cgroup_apply_control+0x36/0x710 [ 80.454234][ T736] ? init_wait_entry+0xe0/0xe0 [ 80.459339][ T736] ? cgroup_kn_lock_live+0x1af/0x370 [ 80.464743][ T736] cgroup_subtree_control_write+0xd05/0x12d0 [ 80.470719][ T736] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 80.476675][ T736] cgroup_file_write+0x22f/0x4f0 [ 80.481583][ T736] kernfs_fop_write_iter+0x2cd/0x410 [ 80.487123][ T736] ? cgroup_seqfile_stop+0xc0/0xc0 [ 80.492214][ T736] vfs_write+0xb57/0xe50 [ 80.496525][ T736] ksys_write+0x157/0x260 [ 80.500826][ T736] __x64_sys_write+0x7b/0x90 [ 80.505414][ T736] do_syscall_64+0x34/0x70 [ 80.509913][ T736] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.515916][ T736] RIP: 0033:0x7fe496c3a0e9 [ 80.520468][ T736] 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 [ 80.540072][ T736] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.548480][ T736] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 80.556448][ T736] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 80.564400][ T736] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 80.572345][ T736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 80.580310][ T736] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 80.588372][ T736] !!! cgroup_apply_control_disable [ 80.593554][ T736] !!! cgroup_apply_control_disable kill_css ffff88811555b400 [ 80.600961][ T736] !!! cgroup_apply_control_disable kill_css ffff88811555ac00 [ 80.641153][ C1] !!! css_killed_ref_fn css ffff88811555b400 !!! [ 80.641159][ C0] !!! css_killed_ref_fn css ffff88811555ac00 !!! [ 80.641346][ T388] !!! css_release css ffff88811555ac00 !!! [ 80.659807][ T388] !!! css_put is zero set CSS_NO_REF css ffff88811555ac00 !!! [ 80.668072][ T426] !!! css_release css ffff88811555b400 !!! [ 80.674048][ T426] !!! css_put is zero set CSS_NO_REF css ffff88811555b400 !!! [ 80.681857][ T786] !!! css_create !!! [ 80.685873][ T786] !!! css_create !!! [ 80.689920][ T786] !!! css_create !!! [ 80.693991][ T786] FAULT_INJECTION: forcing a failure. [ 80.693991][ T786] name failslab, interval 1, probability 0, space 0, times 0 [ 80.706657][ T786] CPU: 1 PID: 786 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 80.718205][ T786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.728381][ T786] Call Trace: [ 80.731668][ T786] dump_stack+0x19c/0x1e2 [ 80.735988][ T786] should_fail+0x3f7/0x5b0 [ 80.740389][ T786] __should_failslab+0xd2/0x130 [ 80.745223][ T786] should_failslab+0x9/0x20 [ 80.749729][ T786] slab_pre_alloc_hook+0x25/0xe0 [ 80.754663][ T786] ? __kernfs_new_node+0x4c/0x6d0 [ 80.759675][ T786] __kmalloc_track_caller+0x70/0x300 [ 80.764934][ T786] ? __kernfs_new_node+0x4c/0x6d0 [ 80.769942][ T786] kstrdup_const+0x55/0x90 [ 80.776061][ T786] __kernfs_new_node+0x4c/0x6d0 [ 80.780907][ T786] ? string+0x29f/0x2b0 [ 80.785037][ T786] ? vsnprintf+0x1a6c/0x1b30 [ 80.789603][ T786] kernfs_new_node+0x97/0x170 [ 80.794258][ T786] __kernfs_create_file+0x4a/0x270 [ 80.799358][ T786] cgroup_addrm_files+0x99e/0xeb0 [ 80.804354][ T786] ? delete_node+0x747/0x7a0 [ 80.808932][ T786] css_populate_dir+0x137/0x370 [ 80.813772][ T786] cgroup_apply_control_enable+0x31e/0xfc0 [ 80.819902][ T786] cgroup_apply_control+0x36/0x710 [ 80.825002][ T786] ? init_wait_entry+0xe0/0xe0 [ 80.829849][ T786] ? cgroup_kn_lock_live+0x1af/0x370 [ 80.835217][ T786] cgroup_subtree_control_write+0xd05/0x12d0 [ 80.841200][ T786] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 80.847296][ T786] cgroup_file_write+0x22f/0x4f0 [ 80.852379][ T786] kernfs_fop_write_iter+0x2cd/0x410 [ 80.857661][ T786] ? cgroup_seqfile_stop+0xc0/0xc0 [ 80.862772][ T786] vfs_write+0xb57/0xe50 [ 80.867005][ T786] ksys_write+0x157/0x260 [ 80.871316][ T786] __x64_sys_write+0x7b/0x90 [ 80.875903][ T786] do_syscall_64+0x34/0x70 [ 80.880324][ T786] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.886208][ T786] RIP: 0033:0x7f6f953440e9 [ 80.890730][ T786] 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 [ 80.910320][ T786] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.918709][ T786] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 80.926710][ T786] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 80.934671][ T786] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 80.942617][ T786] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 80.950577][ T786] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 80.958722][ T786] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 80.965821][ T786] !!! cgroup_apply_control_disable [ 80.971388][ T786] !!! cgroup_apply_control_disable kill_css ffff8881156d8c00 [ 80.978846][ T786] !!! cgroup_apply_control_disable kill_css ffff8881156d9c00 [ 80.986416][ T786] !!! cgroup_apply_control_disable kill_css ffff8881156db400 [ 81.001675][ C1] !!! css_killed_ref_fn css ffff8881156d8c00 !!! [ 81.008129][ T384] !!! css_release css ffff8881156d8c00 !!! [ 81.014098][ T384] !!! css_put is zero set CSS_NO_REF css ffff8881156d8c00 !!! [ 81.021751][ C1] !!! css_killed_ref_fn css ffff8881156d9c00 !!! [ 81.022158][ C0] !!! css_killed_ref_fn css ffff8881156db400 !!! [ 81.028358][ T384] !!! css_release css ffff8881156d9c00 !!! [ 81.040233][ T384] !!! css_put is zero set CSS_NO_REF css ffff8881156d9c00 !!! [ 81.047766][ T388] !!! css_release css ffff8881156db400 !!! [ 81.053672][ T388] !!! css_put is zero set CSS_NO_REF css ffff8881156db400 !!! [ 81.061331][ T785] !!! css_create !!! [ 81.065292][ T785] !!! css_create !!! [ 81.069282][ T785] !!! css_create !!! [ 81.073261][ T785] FAULT_INJECTION: forcing a failure. [ 81.073261][ T785] name failslab, interval 1, probability 0, space 0, times 0 [ 81.086080][ T785] CPU: 0 PID: 785 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 81.097612][ T785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.107641][ T785] Call Trace: [ 81.110908][ T785] dump_stack+0x19c/0x1e2 [ 81.115224][ T785] should_fail+0x3f7/0x5b0 [ 81.119627][ T785] __should_failslab+0xd2/0x130 [ 81.124456][ T785] should_failslab+0x9/0x20 [ 81.128935][ T785] slab_pre_alloc_hook+0x25/0xe0 [ 81.133938][ T785] ? __kernfs_new_node+0x4c/0x6d0 [ 81.138933][ T785] __kmalloc_track_caller+0x70/0x300 [ 81.144187][ T785] ? __kernfs_new_node+0x4c/0x6d0 [ 81.149219][ T785] kstrdup_const+0x55/0x90 [ 81.153608][ T785] __kernfs_new_node+0x4c/0x6d0 [ 81.158429][ T785] ? string+0x29f/0x2b0 [ 81.162558][ T785] ? vsnprintf+0x1a6c/0x1b30 [ 81.167121][ T785] kernfs_new_node+0x97/0x170 [ 81.171778][ T785] __kernfs_create_file+0x4a/0x270 [ 81.176862][ T785] cgroup_addrm_files+0x99e/0xeb0 [ 81.181860][ T785] ? delete_node+0x747/0x7a0 [ 81.186428][ T785] css_populate_dir+0x137/0x370 [ 81.191251][ T785] cgroup_apply_control_enable+0x31e/0xfc0 [ 81.197029][ T785] cgroup_apply_control+0x36/0x710 [ 81.202126][ T785] ? init_wait_entry+0xe0/0xe0 [ 81.206880][ T785] ? cgroup_kn_lock_live+0x1af/0x370 [ 81.212147][ T785] cgroup_subtree_control_write+0xd05/0x12d0 [ 81.218127][ T785] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 81.224093][ T785] cgroup_file_write+0x22f/0x4f0 [ 81.229061][ T785] kernfs_fop_write_iter+0x2cd/0x410 [ 81.234332][ T785] ? cgroup_seqfile_stop+0xc0/0xc0 [ 81.239492][ T785] vfs_write+0xb57/0xe50 [ 81.243727][ T785] ksys_write+0x157/0x260 [ 81.248044][ T785] __x64_sys_write+0x7b/0x90 [ 81.252630][ T785] do_syscall_64+0x34/0x70 [ 81.257174][ T785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.263052][ T785] RIP: 0033:0x7fce14ce20e9 [ 81.267455][ T785] 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 [ 81.287266][ T785] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.295666][ T785] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 81.303618][ T785] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 81.311678][ T785] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 81.319714][ T785] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 81.327912][ T785] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 81.336284][ T785] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 81.343511][ T785] !!! cgroup_apply_control_disable [ 81.348688][ T785] !!! cgroup_apply_control_disable kill_css ffff88810b1a7400 [ 81.356160][ T785] !!! cgroup_apply_control_disable kill_css ffff88810b1a6000 [ 81.363690][ T785] !!! cgroup_apply_control_disable kill_css ffff888115522000 [ 81.391151][ C1] !!! css_killed_ref_fn css ffff88810b1a7400 !!! [ 81.397707][ T426] !!! css_release css ffff88810b1a7400 !!! [ 81.403563][ C1] !!! css_killed_ref_fn css ffff88810b1a6000 !!! [ 81.403574][ C1] !!! css_killed_ref_fn css ffff888115522000 !!! [ 81.416497][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810b1a7400 !!! [ 81.423985][ T426] !!! css_release css ffff88810b1a6000 !!! [ 81.429814][ T426] !!! css_put is zero set CSS_NO_REF css ffff88810b1a6000 !!! [ 81.437614][ T426] !!! css_release css ffff888115522000 !!! [ 81.443498][ T426] !!! css_put is zero set CSS_NO_REF css ffff888115522000 !!! [ 81.451129][ T782] !!! css_create !!! [ 81.455247][ T782] !!! css_create !!! [ 81.459213][ T782] !!! css_create !!! [ 81.463392][ T782] FAULT_INJECTION: forcing a failure. [ 81.463392][ T782] name failslab, interval 1, probability 0, space 0, times 0 [ 81.476205][ T782] CPU: 1 PID: 782 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 81.487747][ T782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.497789][ T782] Call Trace: [ 81.501499][ T782] dump_stack+0x19c/0x1e2 [ 81.505829][ T782] should_fail+0x3f7/0x5b0 [ 81.510238][ T782] __should_failslab+0xd2/0x130 [ 81.515062][ T782] should_failslab+0x9/0x20 [ 81.519642][ T782] slab_pre_alloc_hook+0x25/0xe0 [ 81.524553][ T782] ? __kernfs_new_node+0x4c/0x6d0 [ 81.529562][ T782] __kmalloc_track_caller+0x70/0x300 [ 81.534852][ T782] ? __kernfs_new_node+0x4c/0x6d0 [ 81.540171][ T782] kstrdup_const+0x55/0x90 [ 81.544574][ T782] __kernfs_new_node+0x4c/0x6d0 [ 81.549572][ T782] ? string+0x29f/0x2b0 [ 81.553705][ T782] ? vsnprintf+0x1a6c/0x1b30 [ 81.558269][ T782] kernfs_new_node+0x97/0x170 [ 81.562917][ T782] __kernfs_create_file+0x4a/0x270 [ 81.568000][ T782] cgroup_addrm_files+0x99e/0xeb0 [ 81.573016][ T782] ? delete_node+0x747/0x7a0 [ 81.577917][ T782] css_populate_dir+0x137/0x370 [ 81.582772][ T782] cgroup_apply_control_enable+0x31e/0xfc0 [ 81.588580][ T782] cgroup_apply_control+0x36/0x710 [ 81.593846][ T782] ? init_wait_entry+0xe0/0xe0 [ 81.598857][ T782] ? cgroup_kn_lock_live+0x1af/0x370 [ 81.604163][ T782] cgroup_subtree_control_write+0xd05/0x12d0 [ 81.610140][ T782] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 81.616109][ T782] cgroup_file_write+0x22f/0x4f0 [ 81.621163][ T782] kernfs_fop_write_iter+0x2cd/0x410 [ 81.626480][ T782] ? cgroup_seqfile_stop+0xc0/0xc0 [ 81.631585][ T782] vfs_write+0xb57/0xe50 [ 81.635802][ T782] ksys_write+0x157/0x260 [ 81.640103][ T782] __x64_sys_write+0x7b/0x90 [ 81.644665][ T782] do_syscall_64+0x34/0x70 [ 81.649155][ T782] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.655193][ T782] RIP: 0033:0x7f9ada61d0e9 [ 81.659591][ T782] 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 [ 81.679193][ T782] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.687722][ T782] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 81.695794][ T782] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 81.703770][ T782] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 81.711728][ T782] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 81.719683][ T782] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 81.728930][ T782] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 81.735994][ T782] !!! cgroup_apply_control_disable [ 81.741142][ T782] !!! cgroup_apply_control_disable kill_css ffff8881156b1c00 [ 81.748530][ T782] !!! cgroup_apply_control_disable kill_css ffff8881156b0c00 [ 81.756181][ T782] !!! cgroup_apply_control_disable kill_css ffff8881156b3000 [ 81.765432][ T418] ------------[ cut here ]------------ [ 81.770915][ T418] WARNING: CPU: 1 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 81.780035][ T418] Modules linked in: [ 81.783965][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 81.795523][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.805876][ T418] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 81.811626][ T418] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 81.831279][ T418] RSP: 0018:ffffc90000ce7dd0 EFLAGS: 00010293 [ 81.837345][ T418] RAX: ffffffff81af040c RBX: ffff888113558b60 RCX: ffff888108262dc0 [ 81.845445][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 81.853475][ T418] RBP: ffffc90000ce7e40 R08: ffffffff81af0137 R09: fffff5200019cfb2 [ 81.861450][ T418] R10: fffff5200019cfb2 R11: 1ffff9200019cfb1 R12: dffffc0000000000 [ 81.869412][ T418] R13: ffff888113558a80 R14: 00000000ffffffff R15: 0000000000000000 [ 81.877404][ T418] FS: 000055555645f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 81.886493][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.893086][ T418] CR2: 0000555556468b38 CR3: 00000001093c0000 CR4: 00000000003506a0 [ 81.901195][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.909152][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.917123][ T418] Call Trace: [ 81.920402][ T418] path_umount+0x1ad/0xed0 [ 81.924817][ T418] __x64_sys_umount+0xe8/0x110 [ 81.929572][ T418] do_syscall_64+0x34/0x70 [ 81.934013][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.939894][ T418] RIP: 0033:0x7f9ada61e557 [ 81.944326][ T418] 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 [ 81.963961][ T418] RSP: 002b:00007ffe7bfba128 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 81.972473][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ada61e557 [ 81.980444][ T418] RDX: 00007ffe7bfba1fa RSI: 000000000000000a RDI: 00007ffe7bfba1f0 [ 81.988524][ T418] RBP: 00007ffe7bfba1f0 R08: 00000000ffffffff R09: 00007ffe7bfb9fc0 [ 81.996554][ T418] R10: 0000555556460ba3 R11: 0000000000000246 R12: 00007f9ada6761f8 [ 82.004587][ T418] R13: 00007ffe7bfbb2b0 R14: 0000555556460b00 R15: 00007ffe7bfbb2f0 [ 82.012922][ T418] ---[ end trace 3a08363c28c4e385 ]--- [ 82.018959][ T418] ------------[ cut here ]------------ [ 82.024584][ T418] WARNING: CPU: 1 PID: 418 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 82.033110][ T418] Modules linked in: [ 82.037090][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 82.048714][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.058780][ T418] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 82.063980][ T418] Code: c9 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 6e 01 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 5b 01 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 ea 1f 86 80 e1 07 80 c1 03 38 c1 [ 82.083800][ T418] RSP: 0018:ffffc90000ce7e30 EFLAGS: 00010293 [ 82.089852][ T418] RAX: ffffffff81b00ed5 RBX: ffffe8ffffd4300c RCX: ffff888108262dc0 [ 82.097858][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 82.105965][ T418] RBP: ffffc90000ce7e80 R08: ffffffff81b00bb3 R09: fffff5200019cfcd [ 82.113971][ T418] R10: fffff5200019cfcd R11: 1ffff9200019cfcc R12: ffff888113558ac8 [ 82.121971][ T418] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 82.129930][ T418] FS: 000055555645f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 82.138881][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.145696][ T418] CR2: 0000555556468b38 CR3: 00000001093c0000 CR4: 00000000003506a0 [ 82.153798][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.161808][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.170225][ T418] Call Trace: [ 82.173530][ C1] !!! css_killed_ref_fn css ffff8881156b1c00 !!! [ 82.173580][ C1] !!! css_killed_ref_fn css ffff8881156b0c00 !!! [ 82.173589][ C1] !!! css_killed_ref_fn css ffff8881156b3000 !!! [ 82.192568][ T19] !!! css_release css ffff8881156b1c00 !!! [ 82.193148][ T418] __cleanup_mnt+0x19/0x20 [ 82.198350][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881156b1c00 !!! [ 82.198359][ T19] !!! css_release css ffff8881156b0c00 !!! [ 82.198364][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881156b0c00 !!! [ 82.198437][ T793] !!! css_create !!! [ 82.203133][ T418] task_work_run+0x147/0x1b0 [ 82.210372][ T793] !!! css_create !!! [ 82.216813][ T418] exit_to_user_mode_loop+0xc8/0xe0 [ 82.224015][ T793] !!! css_create !!! [ 82.228110][ T418] syscall_exit_to_user_mode+0x77/0xa0 [ 82.232489][ T793] FAULT_INJECTION: forcing a failure. [ 82.232489][ T793] name failslab, interval 1, probability 0, space 0, times 0 [ 82.236704][ T418] do_syscall_64+0x40/0x70 [ 82.241639][ T793] CPU: 1 PID: 793 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 82.245814][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.250945][ T793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.250949][ T793] Call Trace: [ 82.250960][ T793] dump_stack+0x19c/0x1e2 [ 82.250975][ T793] should_fail+0x3f7/0x5b0 [ 82.250989][ T793] __should_failslab+0xd2/0x130 [ 82.263848][ T418] RIP: 0033:0x7f9ada61e557 [ 82.267956][ T793] should_failslab+0x9/0x20 [ 82.267967][ T793] slab_pre_alloc_hook+0x25/0xe0 [ 82.267977][ T793] ? __kernfs_new_node+0x4c/0x6d0 [ 82.267985][ T793] __kmalloc_track_caller+0x70/0x300 [ 82.268004][ T793] ? __kernfs_new_node+0x4c/0x6d0 [ 82.279920][ T418] 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 [ 82.285385][ T793] kstrdup_const+0x55/0x90 [ 82.285395][ T793] __kernfs_new_node+0x4c/0x6d0 [ 82.285403][ T793] ? string+0x29f/0x2b0 [ 82.285410][ T793] ? vsnprintf+0x1a6c/0x1b30 [ 82.285424][ T793] kernfs_new_node+0x97/0x170 [ 82.295745][ T418] RSP: 002b:00007ffe7bfba128 EFLAGS: 00000246 [ 82.298723][ T793] __kernfs_create_file+0x4a/0x270 [ 82.298733][ T793] cgroup_addrm_files+0x99e/0xeb0 [ 82.298747][ T793] ? delete_node+0x747/0x7a0 [ 82.303234][ T418] ORIG_RAX: 00000000000000a6 [ 82.307437][ T793] css_populate_dir+0x137/0x370 [ 82.307446][ T793] cgroup_apply_control_enable+0x31e/0xfc0 [ 82.307460][ T793] cgroup_apply_control+0x36/0x710 [ 82.312486][ T418] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9ada61e557 [ 82.316694][ T793] ? init_wait_entry+0xe0/0xe0 [ 82.316704][ T793] ? cgroup_kn_lock_live+0x1af/0x370 [ 82.316718][ T793] cgroup_subtree_control_write+0xd05/0x12d0 [ 82.321383][ T418] RDX: 00007ffe7bfba1fa RSI: 000000000000000a RDI: 00007ffe7bfba1f0 [ 82.326103][ T793] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 82.326112][ T793] cgroup_file_write+0x22f/0x4f0 [ 82.326126][ T793] kernfs_fop_write_iter+0x2cd/0x410 [ 82.331312][ T418] RBP: 00007ffe7bfba1f0 R08: 00000000ffffffff R09: 00007ffe7bfb9fc0 [ 82.336378][ T793] ? cgroup_seqfile_stop+0xc0/0xc0 [ 82.336387][ T793] vfs_write+0xb57/0xe50 [ 82.336400][ T793] ksys_write+0x157/0x260 [ 82.341806][ T418] R10: 0000555556460ba3 R11: 0000000000000246 R12: 00007f9ada6761f8 [ 82.362745][ T793] __x64_sys_write+0x7b/0x90 [ 82.362754][ T793] do_syscall_64+0x34/0x70 [ 82.362764][ T793] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.362773][ T793] RIP: 0033:0x7fce14ce20e9 [ 82.362788][ T793] 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 [ 82.367461][ T418] R13: 00007ffe7bfbb2b0 R14: 0000555556460b00 R15: 00007ffe7bfbb2f0 [ 82.372000][ T793] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.372014][ T793] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 82.372020][ T793] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 82.372026][ T793] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 82.372031][ T793] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 82.372043][ T793] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 82.376435][ T418] ---[ end trace 3a08363c28c4e386 ]--- [ 82.380954][ T793] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 82.615862][ T793] !!! cgroup_apply_control_disable [ 82.620961][ T793] !!! cgroup_apply_control_disable kill_css ffff888115736000 [ 82.628503][ T793] !!! cgroup_apply_control_disable kill_css ffff888115737400 [ 82.635901][ T793] !!! cgroup_apply_control_disable kill_css ffff888115736c00 [ 82.691123][ C1] !!! css_killed_ref_fn css ffff888115736000 !!! [ 82.697502][ C1] !!! css_killed_ref_fn css ffff888115737400 !!! [ 82.703947][ C1] !!! css_killed_ref_fn css ffff888115736c00 !!! [ 82.710386][ T19] !!! css_release css ffff888115736000 !!! [ 82.716298][ T19] !!! css_put is zero set CSS_NO_REF css ffff888115736000 !!! [ 82.724232][ T19] !!! css_release css ffff888115737400 !!! [ 82.730039][ T19] !!! css_put is zero set CSS_NO_REF css ffff888115737400 !!! [ 82.738444][ T802] !!! css_create !!! [ 82.742730][ T802] !!! css_create !!! [ 82.746706][ T802] !!! css_create !!! [ 82.750639][ T802] FAULT_INJECTION: forcing a failure. [ 82.750639][ T802] name failslab, interval 1, probability 0, space 0, times 0 [ 82.763276][ T802] CPU: 1 PID: 802 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 82.774805][ T802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.784842][ T802] Call Trace: [ 82.788134][ T802] dump_stack+0x19c/0x1e2 [ 82.792446][ T802] should_fail+0x3f7/0x5b0 [ 82.796837][ T802] __should_failslab+0xd2/0x130 [ 82.801668][ T802] should_failslab+0x9/0x20 [ 82.806187][ T802] slab_pre_alloc_hook+0x25/0xe0 [ 82.811124][ T802] ? __kernfs_new_node+0x4c/0x6d0 [ 82.816219][ T802] __kmalloc_track_caller+0x70/0x300 [ 82.821499][ T802] ? __kernfs_new_node+0x4c/0x6d0 [ 82.826516][ T802] kstrdup_const+0x55/0x90 [ 82.830939][ T802] __kernfs_new_node+0x4c/0x6d0 [ 82.835786][ T802] ? string+0x29f/0x2b0 [ 82.839918][ T802] ? vsnprintf+0x1a6c/0x1b30 [ 82.844499][ T802] kernfs_new_node+0x97/0x170 [ 82.849165][ T802] __kernfs_create_file+0x4a/0x270 [ 82.854259][ T802] cgroup_addrm_files+0x99e/0xeb0 [ 82.859275][ T802] ? delete_node+0x747/0x7a0 [ 82.864105][ T802] css_populate_dir+0x137/0x370 [ 82.868937][ T802] cgroup_apply_control_enable+0x31e/0xfc0 [ 82.874717][ T802] cgroup_apply_control+0x36/0x710 [ 82.879800][ T802] ? init_wait_entry+0xe0/0xe0 [ 82.884541][ T802] ? cgroup_kn_lock_live+0x1af/0x370 [ 82.889979][ T802] cgroup_subtree_control_write+0xd05/0x12d0 [ 82.895932][ T802] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 82.901888][ T802] cgroup_file_write+0x22f/0x4f0 [ 82.906801][ T802] kernfs_fop_write_iter+0x2cd/0x410 [ 82.912057][ T802] ? cgroup_seqfile_stop+0xc0/0xc0 [ 82.917183][ T802] vfs_write+0xb57/0xe50 [ 82.921414][ T802] ksys_write+0x157/0x260 [ 82.925722][ T802] __x64_sys_write+0x7b/0x90 [ 82.930300][ T802] do_syscall_64+0x34/0x70 [ 82.934717][ T802] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.940701][ T802] RIP: 0033:0x7f9ada61d0e9 [ 82.945112][ T802] 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 [ 82.964707][ T802] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.973095][ T802] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 82.981043][ T802] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/05/31 18:33:25 executed programs: 119 [ 82.989001][ T802] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 82.997102][ T802] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 83.005065][ T802] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 83.013145][ T802] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 83.020271][ T802] !!! cgroup_apply_control_disable [ 83.025447][ T802] !!! cgroup_apply_control_disable kill_css ffff88810b12ac00 [ 83.033050][ T802] !!! cgroup_apply_control_disable kill_css ffff88810b12b400 [ 83.040541][ T802] !!! cgroup_apply_control_disable kill_css ffff88810b12a000 [ 83.071119][ C1] !!! css_killed_ref_fn css ffff88810b12ac00 !!! [ 83.077510][ C1] !!! css_killed_ref_fn css ffff88810b12b400 !!! [ 83.083915][ T19] !!! css_release css ffff88810b12ac00 !!! [ 83.089852][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810b12ac00 !!! [ 83.097316][ C1] !!! css_killed_ref_fn css ffff88810b12a000 !!! [ 83.103822][ T19] !!! css_release css ffff88810b12b400 !!! [ 83.109803][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810b12b400 !!! [ 83.117600][ T19] !!! css_release css ffff88810b12a000 !!! [ 83.123450][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810b12a000 !!! [ 83.130912][ T784] !!! css_create !!! [ 83.134982][ T784] !!! css_create !!! [ 83.138956][ T784] !!! css_create !!! [ 83.142947][ T784] FAULT_INJECTION: forcing a failure. [ 83.142947][ T784] name failslab, interval 1, probability 0, space 0, times 0 [ 83.155587][ T784] CPU: 0 PID: 784 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 83.167121][ T784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.177164][ T784] Call Trace: [ 83.180481][ T784] dump_stack+0x19c/0x1e2 [ 83.184786][ T784] should_fail+0x3f7/0x5b0 [ 83.189179][ T784] __should_failslab+0xd2/0x130 [ 83.194015][ T784] should_failslab+0x9/0x20 [ 83.198501][ T784] slab_pre_alloc_hook+0x25/0xe0 [ 83.203540][ T784] kmem_cache_alloc_trace+0x47/0x2b0 [ 83.208823][ T784] ? pids_css_alloc+0x4e/0x120 [ 83.213574][ T784] pids_css_alloc+0x4e/0x120 [ 83.218139][ T784] cgroup_apply_control_enable+0x44e/0xfc0 [ 83.224006][ T784] cgroup_apply_control+0x36/0x710 [ 83.229254][ T784] ? init_wait_entry+0xe0/0xe0 [ 83.234110][ T784] ? cgroup_kn_lock_live+0x1af/0x370 [ 83.239385][ T784] cgroup_subtree_control_write+0xd05/0x12d0 [ 83.245469][ T784] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 83.251443][ T784] cgroup_file_write+0x22f/0x4f0 [ 83.256364][ T784] kernfs_fop_write_iter+0x2cd/0x410 [ 83.261643][ T784] ? cgroup_seqfile_stop+0xc0/0xc0 [ 83.266754][ T784] vfs_write+0xb57/0xe50 [ 83.270994][ T784] ksys_write+0x157/0x260 [ 83.275300][ T784] __x64_sys_write+0x7b/0x90 [ 83.279866][ T784] do_syscall_64+0x34/0x70 [ 83.284258][ T784] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.290312][ T784] RIP: 0033:0x7fd31cb190e9 [ 83.294713][ T784] 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 [ 83.314561][ T784] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.323042][ T784] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 83.331003][ T784] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 83.339047][ T784] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 83.347002][ T784] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 83.354948][ T784] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 83.363757][ T784] !!! cgroup_apply_control_disable [ 83.368908][ T784] !!! cgroup_apply_control_disable kill_css ffff88811efe9000 [ 83.376508][ T784] !!! cgroup_apply_control_disable kill_css ffff88811efebc00 [ 83.411143][ C0] !!! css_killed_ref_fn css ffff88811efe9000 !!! [ 83.417583][ T107] !!! css_release css ffff88811efe9000 !!! [ 83.425016][ C0] !!! css_killed_ref_fn css ffff88811efebc00 !!! [ 83.431507][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811efe9000 !!! [ 83.439149][ T107] !!! css_release css ffff88811efebc00 !!! [ 83.444977][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811efebc00 !!! [ 83.452627][ T805] !!! css_create !!! [ 83.456641][ T805] !!! css_create !!! [ 83.460595][ T805] !!! css_create !!! [ 83.464617][ T805] FAULT_INJECTION: forcing a failure. [ 83.464617][ T805] name failslab, interval 1, probability 0, space 0, times 0 [ 83.477362][ T805] CPU: 0 PID: 805 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 83.489048][ T805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.499205][ T805] Call Trace: [ 83.502473][ T805] dump_stack+0x19c/0x1e2 [ 83.506777][ T805] should_fail+0x3f7/0x5b0 [ 83.511169][ T805] __should_failslab+0xd2/0x130 [ 83.515993][ T805] should_failslab+0x9/0x20 [ 83.520477][ T805] slab_pre_alloc_hook+0x25/0xe0 [ 83.525386][ T805] kmem_cache_alloc_trace+0x47/0x2b0 [ 83.530648][ T805] ? percpu_ref_init+0xd0/0x330 [ 83.535482][ T805] percpu_ref_init+0xd0/0x330 [ 83.540129][ T805] ? cgroup_setup_root+0x8a0/0x8a0 [ 83.545213][ T805] cgroup_apply_control_enable+0x49f/0xfc0 [ 83.551005][ T805] cgroup_apply_control+0x36/0x710 [ 83.556098][ T805] ? init_wait_entry+0xe0/0xe0 [ 83.560871][ T805] ? cgroup_kn_lock_live+0x1af/0x370 [ 83.566152][ T805] cgroup_subtree_control_write+0xd05/0x12d0 [ 83.572127][ T805] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 83.578084][ T805] cgroup_file_write+0x22f/0x4f0 [ 83.583006][ T805] kernfs_fop_write_iter+0x2cd/0x410 [ 83.588271][ T805] ? cgroup_seqfile_stop+0xc0/0xc0 [ 83.593363][ T805] vfs_write+0xb57/0xe50 [ 83.597585][ T805] ksys_write+0x157/0x260 [ 83.601886][ T805] __x64_sys_write+0x7b/0x90 [ 83.607147][ T805] do_syscall_64+0x34/0x70 [ 83.611538][ T805] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.617405][ T805] RIP: 0033:0x7f9ada61d0e9 [ 83.622140][ T805] 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 [ 83.642411][ T805] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.650859][ T805] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 83.659521][ T805] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 83.667476][ T805] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 83.675433][ T805] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 83.683445][ T805] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 83.692205][ T805] !!! cgroup_apply_control_disable [ 83.697442][ T805] !!! cgroup_apply_control_disable kill_css ffff88811efee400 [ 83.705451][ T805] !!! cgroup_apply_control_disable kill_css ffff88811efed400 [ 83.731147][ C0] !!! css_killed_ref_fn css ffff88811efee400 !!! [ 83.737627][ T107] !!! css_release css ffff88811efee400 !!! [ 83.743457][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811efee400 !!! [ 83.751001][ C0] !!! css_killed_ref_fn css ffff88811efed400 !!! [ 83.757422][ T107] !!! css_release css ffff88811efed400 !!! [ 83.763331][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811efed400 !!! [ 83.770789][ T790] !!! css_create !!! [ 83.774853][ T790] !!! css_create !!! [ 83.778810][ T790] !!! css_create !!! [ 83.782814][ T790] FAULT_INJECTION: forcing a failure. [ 83.782814][ T790] name failslab, interval 1, probability 0, space 0, times 0 [ 83.795672][ T790] CPU: 0 PID: 790 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 83.807192][ T790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.817313][ T790] Call Trace: [ 83.820590][ T790] dump_stack+0x19c/0x1e2 [ 83.824895][ T790] should_fail+0x3f7/0x5b0 [ 83.829554][ T790] __should_failslab+0xd2/0x130 [ 83.834491][ T790] should_failslab+0x9/0x20 [ 83.839168][ T790] slab_pre_alloc_hook+0x25/0xe0 [ 83.844102][ T790] ? __kernfs_new_node+0x4c/0x6d0 [ 83.849113][ T790] __kmalloc_track_caller+0x70/0x300 [ 83.854390][ T790] ? __kernfs_new_node+0x4c/0x6d0 [ 83.859398][ T790] kstrdup_const+0x55/0x90 [ 83.863789][ T790] __kernfs_new_node+0x4c/0x6d0 [ 83.868619][ T790] ? string+0x29f/0x2b0 [ 83.873009][ T790] ? vsnprintf+0x1a6c/0x1b30 [ 83.877576][ T790] kernfs_new_node+0x97/0x170 [ 83.882225][ T790] __kernfs_create_file+0x4a/0x270 [ 83.887311][ T790] cgroup_addrm_files+0x99e/0xeb0 [ 83.892418][ T790] ? delete_node+0x747/0x7a0 [ 83.897111][ T790] css_populate_dir+0x137/0x370 [ 83.901955][ T790] cgroup_apply_control_enable+0x31e/0xfc0 [ 83.907740][ T790] cgroup_apply_control+0x36/0x710 [ 83.912828][ T790] ? init_wait_entry+0xe0/0xe0 [ 83.917686][ T790] ? cgroup_kn_lock_live+0x1af/0x370 [ 83.923057][ T790] cgroup_subtree_control_write+0xd05/0x12d0 [ 83.929026][ T790] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 83.935214][ T790] cgroup_file_write+0x22f/0x4f0 [ 83.940157][ T790] kernfs_fop_write_iter+0x2cd/0x410 [ 83.945543][ T790] ? cgroup_seqfile_stop+0xc0/0xc0 [ 83.950670][ T790] vfs_write+0xb57/0xe50 [ 83.954912][ T790] ksys_write+0x157/0x260 [ 83.959328][ T790] __x64_sys_write+0x7b/0x90 [ 83.964035][ T790] do_syscall_64+0x34/0x70 [ 83.968460][ T790] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.974378][ T790] RIP: 0033:0x7f6f953440e9 [ 83.978789][ T790] 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 [ 83.998396][ T790] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.006969][ T790] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 84.015798][ T790] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 84.023926][ T790] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 84.032131][ T790] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 84.040087][ T790] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 84.048299][ T790] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 84.055509][ T790] !!! cgroup_apply_control_disable [ 84.060622][ T790] !!! cgroup_apply_control_disable kill_css ffff888115bbe000 [ 84.068095][ T790] !!! cgroup_apply_control_disable kill_css ffff888115bbd400 [ 84.075561][ T790] !!! cgroup_apply_control_disable kill_css ffff888115bbe400 [ 84.101169][ C0] !!! css_killed_ref_fn css ffff888115bbe000 !!! [ 84.107568][ T107] !!! css_release css ffff888115bbe000 !!! [ 84.113920][ C1] !!! css_killed_ref_fn css ffff888115bbd400 !!! [ 84.113973][ T107] !!! css_put is zero set CSS_NO_REF css ffff888115bbe000 !!! [ 84.120267][ C1] !!! css_killed_ref_fn css ffff888115bbe400 !!! [ 84.134233][ T19] !!! css_release css ffff888115bbd400 !!! [ 84.140031][ T19] !!! css_put is zero set CSS_NO_REF css ffff888115bbd400 !!! [ 84.147481][ T19] !!! css_release css ffff888115bbe400 !!! [ 84.153287][ T19] !!! css_put is zero set CSS_NO_REF css ffff888115bbe400 !!! [ 84.160759][ T783] !!! css_create !!! [ 84.164803][ T783] !!! css_create !!! [ 84.168754][ T783] !!! css_create !!! [ 84.174018][ T783] FAULT_INJECTION: forcing a failure. [ 84.174018][ T783] name failslab, interval 1, probability 0, space 0, times 0 [ 84.186634][ T783] CPU: 1 PID: 783 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 84.198144][ T783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.208209][ T783] Call Trace: [ 84.211472][ T783] dump_stack+0x19c/0x1e2 [ 84.215775][ T783] should_fail+0x3f7/0x5b0 [ 84.220188][ T783] __should_failslab+0xd2/0x130 [ 84.225027][ T783] should_failslab+0x9/0x20 [ 84.229522][ T783] slab_pre_alloc_hook+0x25/0xe0 [ 84.234440][ T783] ? __kernfs_new_node+0x4c/0x6d0 [ 84.239445][ T783] __kmalloc_track_caller+0x70/0x300 [ 84.244704][ T783] ? __kernfs_new_node+0x4c/0x6d0 [ 84.250315][ T783] kstrdup_const+0x55/0x90 [ 84.254705][ T783] __kernfs_new_node+0x4c/0x6d0 [ 84.259527][ T783] ? string+0x29f/0x2b0 [ 84.263651][ T783] ? vsnprintf+0x1a6c/0x1b30 [ 84.268213][ T783] kernfs_new_node+0x97/0x170 [ 84.272861][ T783] __kernfs_create_file+0x4a/0x270 [ 84.277964][ T783] cgroup_addrm_files+0x99e/0xeb0 [ 84.283053][ T783] ? delete_node+0x747/0x7a0 [ 84.287628][ T783] css_populate_dir+0x137/0x370 [ 84.292537][ T783] cgroup_apply_control_enable+0x31e/0xfc0 [ 84.298410][ T783] cgroup_apply_control+0x36/0x710 [ 84.303503][ T783] ? init_wait_entry+0xe0/0xe0 [ 84.308241][ T783] ? cgroup_kn_lock_live+0x1af/0x370 [ 84.313498][ T783] cgroup_subtree_control_write+0xd05/0x12d0 [ 84.319450][ T783] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 84.325566][ T783] cgroup_file_write+0x22f/0x4f0 [ 84.330477][ T783] kernfs_fop_write_iter+0x2cd/0x410 [ 84.335739][ T783] ? cgroup_seqfile_stop+0xc0/0xc0 [ 84.340821][ T783] vfs_write+0xb57/0xe50 [ 84.345035][ T783] ksys_write+0x157/0x260 [ 84.349339][ T783] __x64_sys_write+0x7b/0x90 [ 84.353916][ T783] do_syscall_64+0x34/0x70 [ 84.358308][ T783] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.364212][ T783] RIP: 0033:0x7fd11bd980e9 [ 84.368620][ T783] 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 [ 84.388816][ T783] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.397226][ T783] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 84.405201][ T783] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 84.413161][ T783] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 84.421354][ T783] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 84.429320][ T783] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 84.437352][ T783] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 84.444374][ T783] !!! cgroup_apply_control_disable [ 84.449456][ T783] !!! cgroup_apply_control_disable kill_css ffff888115eff800 [ 84.456856][ T783] !!! cgroup_apply_control_disable kill_css ffff888115efc000 [ 84.464262][ T783] !!! cgroup_apply_control_disable kill_css ffff888115efb000 [ 84.491174][ C1] !!! css_killed_ref_fn css ffff888115eff800 !!! [ 84.497685][ T19] !!! css_release css ffff888115eff800 !!! [ 84.503519][ C1] !!! css_killed_ref_fn css ffff888115efc000 !!! [ 84.503530][ C1] !!! css_killed_ref_fn css ffff888115efb000 !!! [ 84.516363][ T19] !!! css_put is zero set CSS_NO_REF css ffff888115eff800 !!! [ 84.523996][ T426] !!! css_release css ffff888115efc000 !!! [ 84.529814][ T426] !!! css_put is zero set CSS_NO_REF css ffff888115efc000 !!! [ 84.537446][ T426] !!! css_release css ffff888115efb000 !!! [ 84.543255][ T426] !!! css_put is zero set CSS_NO_REF css ffff888115efb000 !!! [ 84.550744][ T787] !!! css_create !!! [ 84.554719][ T787] !!! css_create !!! [ 84.558636][ T787] !!! css_create !!! [ 84.562575][ T787] FAULT_INJECTION: forcing a failure. [ 84.562575][ T787] name failslab, interval 1, probability 0, space 0, times 0 [ 84.575415][ T787] CPU: 0 PID: 787 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 84.587056][ T787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.597207][ T787] Call Trace: [ 84.600481][ T787] dump_stack+0x19c/0x1e2 [ 84.604806][ T787] should_fail+0x3f7/0x5b0 [ 84.609202][ T787] __should_failslab+0xd2/0x130 [ 84.614021][ T787] should_failslab+0x9/0x20 [ 84.618494][ T787] slab_pre_alloc_hook+0x25/0xe0 [ 84.623398][ T787] kmem_cache_alloc_trace+0x47/0x2b0 [ 84.628679][ T787] ? percpu_ref_init+0xd0/0x330 [ 84.634669][ T787] percpu_ref_init+0xd0/0x330 [ 84.639372][ T787] ? cgroup_setup_root+0x8a0/0x8a0 [ 84.644487][ T787] cgroup_apply_control_enable+0x49f/0xfc0 [ 84.650294][ T787] cgroup_apply_control+0x36/0x710 [ 84.655385][ T787] ? init_wait_entry+0xe0/0xe0 [ 84.660119][ T787] ? cgroup_kn_lock_live+0x1af/0x370 [ 84.665375][ T787] cgroup_subtree_control_write+0xd05/0x12d0 [ 84.671326][ T787] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 84.677299][ T787] cgroup_file_write+0x22f/0x4f0 [ 84.682218][ T787] kernfs_fop_write_iter+0x2cd/0x410 [ 84.687487][ T787] ? cgroup_seqfile_stop+0xc0/0xc0 [ 84.692567][ T787] vfs_write+0xb57/0xe50 [ 84.696803][ T787] ksys_write+0x157/0x260 [ 84.701320][ T787] __x64_sys_write+0x7b/0x90 [ 84.705907][ T787] do_syscall_64+0x34/0x70 [ 84.710323][ T787] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.716196][ T787] RIP: 0033:0x7fe496c3a0e9 [ 84.720672][ T787] 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 [ 84.740601][ T787] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.748993][ T787] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 84.756968][ T787] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 84.764944][ T787] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 84.773177][ T787] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 84.781231][ T787] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 84.789483][ T787] !!! cgroup_apply_control_disable [ 84.794651][ T787] !!! cgroup_apply_control_disable kill_css ffff888115cb9000 [ 84.802214][ T787] !!! cgroup_apply_control_disable kill_css ffff888115cbbc00 [ 84.851145][ C1] !!! css_killed_ref_fn css ffff888115cb9000 !!! [ 84.857543][ C1] !!! css_killed_ref_fn css ffff888115cbbc00 !!! [ 84.863946][ T19] !!! css_release css ffff888115cb9000 !!! [ 84.870371][ T19] !!! css_put is zero set CSS_NO_REF css ffff888115cb9000 !!! [ 84.877875][ T19] !!! css_release css ffff888115cbbc00 !!! [ 84.883701][ T19] !!! css_put is zero set CSS_NO_REF css ffff888115cbbc00 !!! [ 84.891247][ T816] !!! css_create !!! [ 84.895169][ T816] !!! css_create !!! [ 84.899064][ T816] !!! css_create !!! [ 84.903091][ T816] FAULT_INJECTION: forcing a failure. [ 84.903091][ T816] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 84.916573][ T816] CPU: 1 PID: 816 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 84.928095][ T816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.938219][ T816] Call Trace: [ 84.941488][ T816] dump_stack+0x19c/0x1e2 [ 84.945793][ T816] should_fail+0x3f7/0x5b0 [ 84.950191][ T816] should_fail_alloc_page+0xa9/0xd0 [ 84.955652][ T816] __alloc_pages_nodemask+0x121/0x740 [ 84.961032][ T816] ? pcpu_alloc_area+0x7ab/0x900 [ 84.965952][ T816] allocate_slab+0x72/0x580 [ 84.970558][ T816] ___slab_alloc+0x131/0x2e0 [ 84.975144][ T816] ? percpu_ref_init+0xd0/0x330 [ 84.980003][ T816] __slab_alloc+0x63/0xa0 [ 84.984327][ T816] ? percpu_ref_init+0xd0/0x330 [ 84.989152][ T816] kmem_cache_alloc_trace+0xe5/0x2b0 [ 84.994413][ T816] ? percpu_ref_init+0xd0/0x330 [ 84.999238][ T816] percpu_ref_init+0xd0/0x330 [ 85.003889][ T816] ? cgroup_setup_root+0x8a0/0x8a0 [ 85.009013][ T816] cgroup_apply_control_enable+0x49f/0xfc0 [ 85.014819][ T816] cgroup_apply_control+0x36/0x710 [ 85.020025][ T816] ? init_wait_entry+0xe0/0xe0 [ 85.024782][ T816] ? cgroup_kn_lock_live+0x1af/0x370 [ 85.030070][ T816] cgroup_subtree_control_write+0xd05/0x12d0 [ 85.036041][ T816] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 85.041996][ T816] cgroup_file_write+0x22f/0x4f0 [ 85.046914][ T816] kernfs_fop_write_iter+0x2cd/0x410 [ 85.052169][ T816] ? cgroup_seqfile_stop+0xc0/0xc0 [ 85.057256][ T816] vfs_write+0xb57/0xe50 [ 85.061485][ T816] ksys_write+0x157/0x260 [ 85.065896][ T816] __x64_sys_write+0x7b/0x90 [ 85.070468][ T816] do_syscall_64+0x34/0x70 [ 85.074866][ T816] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.080732][ T816] RIP: 0033:0x7f6f953440e9 [ 85.085124][ T816] 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 [ 85.104703][ T816] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.113092][ T816] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 85.121059][ T816] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 85.129061][ T816] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 85.137019][ T816] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 85.145241][ T816] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 85.153440][ T816] !!! css_create !!! [ 85.157479][ T816] !!! css_create !!! [ 85.161463][ T816] !!! css_create !!! [ 85.165589][ T816] !!! cgroup_apply_control_disable [ 85.171052][ T813] !!! cgroup_apply_control_disable [ 85.176308][ T813] !!! cgroup_apply_control_disable kill_css ffff8881147ffc00 [ 85.183780][ T424] ------------[ cut here ]------------ [ 85.184002][ T813] !!! cgroup_apply_control_disable kill_css ffff8881147fcc00 [ 85.189287][ T424] WARNING: CPU: 1 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 85.196886][ T813] !!! cgroup_apply_control_disable kill_css ffff8881147fc800 [ 85.205646][ T424] Modules linked in: [ 85.215327][ T813] !!! cgroup_apply_control_disable kill_css ffff888114c1ac00 [ 85.219008][ T424] CPU: 1 PID: 424 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 85.226488][ T813] !!! cgroup_apply_control_disable kill_css ffff888114c18000 [ 85.237881][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.237900][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 85.245518][ T813] !!! cgroup_apply_control_disable kill_css ffff888114c1b000 [ 85.255417][ T424] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 85.255426][ T424] RSP: 0018:ffffc90000d67d58 EFLAGS: 00010293 [ 85.294443][ T424] RAX: ffffffff81af040c RBX: ffff8881111e6e60 RCX: ffff888108136ac0 [ 85.302415][ T424] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 85.310461][ T424] RBP: ffffc90000d67dc8 R08: ffffffff81af0137 R09: fffff520001acfa3 [ 85.318865][ T424] R10: fffff520001acfa3 R11: 1ffff920001acfa2 R12: dffffc0000000000 [ 85.326879][ T424] R13: ffff8881111e6d80 R14: 00000000fffffffe R15: 0000000000000000 [ 85.334863][ T424] FS: 000055555565d400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 85.343806][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.350503][ T424] CR2: 00007ffc80b38ff8 CR3: 00000001029ff000 CR4: 00000000003506a0 [ 85.358505][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.366513][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.374535][ T424] Call Trace: [ 85.377827][ T424] ? init_wait_entry+0xe0/0xe0 [ 85.382602][ T424] ? up_write+0x68/0x140 [ 85.386848][ T424] namespace_unlock+0x377/0x420 [ 85.391703][ T424] path_umount+0xe23/0xed0 [ 85.396111][ T424] __x64_sys_umount+0xe8/0x110 [ 85.400850][ T424] do_syscall_64+0x34/0x70 [ 85.405260][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.411153][ T424] RIP: 0033:0x7f6f95345557 [ 85.415564][ T424] 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 [ 85.435510][ T424] RSP: 002b:00007ffc80b39298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 85.443943][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f95345557 [ 85.451925][ T424] RDX: 00007ffc80b3936a RSI: 000000000000000a RDI: 00007ffc80b39360 [ 85.459901][ T424] RBP: 00007ffc80b39360 R08: 00000000ffffffff R09: 00007ffc80b39130 [ 85.468010][ T424] R10: 000055555565eba3 R11: 0000000000000246 R12: 00007f6f9539d1f8 [ 85.475987][ T424] R13: 00007ffc80b3a420 R14: 000055555565eb00 R15: 00007ffc80b3a460 [ 85.484015][ T424] ---[ end trace 3a08363c28c4e387 ]--- [ 85.489631][ T424] ------------[ cut here ]------------ [ 85.495233][ C0] !!! css_killed_ref_fn css ffff8881147ffc00 !!! [ 85.495246][ C0] !!! css_killed_ref_fn css ffff8881147fcc00 !!! [ 85.495251][ C0] !!! css_killed_ref_fn css ffff8881147fc800 !!! [ 85.495255][ C0] !!! css_killed_ref_fn css ffff888114c1ac00 !!! [ 85.495259][ C0] !!! css_killed_ref_fn css ffff888114c18000 !!! [ 85.495267][ C0] !!! css_killed_ref_fn css ffff888114c1b000 !!! [ 85.533594][ T424] WARNING: CPU: 0 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 85.542541][ T424] Modules linked in: [ 85.546444][ T424] CPU: 0 PID: 424 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 85.557997][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.569159][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 85.574793][ T424] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 85.594510][ T424] RSP: 0018:ffffc90000d67dd0 EFLAGS: 00010293 [ 85.600557][ T424] RAX: ffffffff81af040c RBX: ffff8881111e6e60 RCX: ffff888108136ac0 [ 85.608588][ T424] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 85.616582][ T424] RBP: ffffc90000d67e40 R08: ffffffff81af0137 R09: fffff520001acfb2 [ 85.624676][ T424] R10: fffff520001acfb2 R11: 1ffff920001acfb1 R12: dffffc0000000000 [ 85.632658][ T424] R13: ffff8881111e6d80 R14: 00000000fffffffe R15: 0000000000000000 [ 85.640620][ T424] FS: 000055555565d400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 85.649581][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.656267][ T424] CR2: 00007fe496b8eff8 CR3: 00000001029ff000 CR4: 00000000003506b0 [ 85.664259][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.672252][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.680441][ T424] Call Trace: [ 85.683769][ T424] path_umount+0x1ad/0xed0 [ 85.688251][ T424] __x64_sys_umount+0xe8/0x110 [ 85.693072][ T424] do_syscall_64+0x34/0x70 [ 85.697476][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.703376][ T424] RIP: 0033:0x7f6f95345557 [ 85.707910][ T424] 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 [ 85.727574][ T424] RSP: 002b:00007ffc80b39298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 85.736262][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f95345557 [ 85.744247][ T424] RDX: 00007ffc80b3936a RSI: 000000000000000a RDI: 00007ffc80b39360 [ 85.752244][ T424] RBP: 00007ffc80b39360 R08: 00000000ffffffff R09: 00007ffc80b39130 [ 85.760207][ T424] R10: 000055555565eba3 R11: 0000000000000246 R12: 00007f6f9539d1f8 [ 85.768247][ T424] R13: 00007ffc80b3a420 R14: 000055555565eb00 R15: 00007ffc80b3a460 [ 85.776269][ T424] ---[ end trace 3a08363c28c4e388 ]--- [ 85.781793][ T388] !!! css_release css ffff8881147ffc00 !!! [ 85.787656][ T388] !!! css_put is zero set CSS_NO_REF css ffff8881147ffc00 !!! [ 85.795443][ T107] !!! css_release css ffff8881147fcc00 !!! [ 85.801423][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881147fcc00 !!! [ 85.808929][ T5] !!! css_release css ffff888114c1ac00 !!! [ 85.814868][ T5] !!! css_put is zero set CSS_NO_REF css ffff888114c1ac00 !!! [ 85.822415][ T388] !!! css_release css ffff888114c18000 !!! [ 85.828203][ T388] !!! css_put is zero set CSS_NO_REF css ffff888114c18000 !!! [ 85.836159][ T388] !!! css_release css ffff888114c1b000 !!! [ 85.842033][ T388] !!! css_put is zero set CSS_NO_REF css ffff888114c1b000 !!! [ 85.849519][ T818] !!! css_create !!! [ 85.853576][ T818] !!! css_create !!! [ 85.857484][ T818] !!! css_create !!! [ 85.861530][ T818] FAULT_INJECTION: forcing a failure. [ 85.861530][ T818] name failslab, interval 1, probability 0, space 0, times 0 [ 85.874246][ T818] CPU: 0 PID: 818 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 85.887154][ T818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.897183][ T818] Call Trace: [ 85.900628][ T818] dump_stack+0x19c/0x1e2 [ 85.904929][ T818] should_fail+0x3f7/0x5b0 [ 85.909404][ T818] __should_failslab+0xd2/0x130 [ 85.914226][ T818] should_failslab+0x9/0x20 [ 85.918788][ T818] slab_pre_alloc_hook+0x25/0xe0 [ 85.923703][ T818] ? __kernfs_new_node+0x4c/0x6d0 [ 85.928715][ T818] __kmalloc_track_caller+0x70/0x300 [ 85.934077][ T818] ? __kernfs_new_node+0x4c/0x6d0 [ 85.939108][ T818] kstrdup_const+0x55/0x90 [ 85.943512][ T818] __kernfs_new_node+0x4c/0x6d0 [ 85.948338][ T818] ? string+0x29f/0x2b0 [ 85.952472][ T818] ? vsnprintf+0x1a6c/0x1b30 [ 85.957047][ T818] kernfs_new_node+0x97/0x170 [ 85.961698][ T818] __kernfs_create_file+0x4a/0x270 [ 85.966790][ T818] cgroup_addrm_files+0x99e/0xeb0 [ 85.971980][ T818] ? delete_node+0x747/0x7a0 [ 85.976561][ T818] css_populate_dir+0x137/0x370 [ 85.981400][ T818] cgroup_apply_control_enable+0x31e/0xfc0 [ 85.987364][ T818] cgroup_apply_control+0x36/0x710 [ 85.992551][ T818] ? init_wait_entry+0xe0/0xe0 [ 85.997395][ T818] ? cgroup_kn_lock_live+0x1af/0x370 [ 86.002668][ T818] cgroup_subtree_control_write+0xd05/0x12d0 [ 86.008723][ T818] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 86.014675][ T818] cgroup_file_write+0x22f/0x4f0 [ 86.019589][ T818] kernfs_fop_write_iter+0x2cd/0x410 [ 86.024846][ T818] ? cgroup_seqfile_stop+0xc0/0xc0 [ 86.030056][ T818] vfs_write+0xb57/0xe50 [ 86.034306][ T818] ksys_write+0x157/0x260 [ 86.038704][ T818] __x64_sys_write+0x7b/0x90 [ 86.043277][ T818] do_syscall_64+0x34/0x70 [ 86.047810][ T818] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.053684][ T818] RIP: 0033:0x7fd31cb190e9 [ 86.058075][ T818] 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 [ 86.077662][ T818] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.086064][ T818] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 86.094010][ T818] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 86.101968][ T818] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 86.109995][ T818] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 86.117960][ T818] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 86.126047][ T818] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 86.133324][ T818] !!! cgroup_apply_control_disable [ 86.138448][ T818] !!! cgroup_apply_control_disable kill_css ffff888117107c00 [ 86.146844][ T818] !!! cgroup_apply_control_disable kill_css ffff888117105000 [ 86.154316][ T818] !!! cgroup_apply_control_disable kill_css ffff888114b15800 [ 86.181154][ C1] !!! css_killed_ref_fn css ffff888117107c00 !!! [ 86.187553][ T445] !!! css_release css ffff888117107c00 !!! [ 86.193524][ C0] !!! css_killed_ref_fn css ffff888117105000 !!! [ 86.193538][ C0] !!! css_killed_ref_fn css ffff888114b15800 !!! [ 86.206382][ T445] !!! css_put is zero set CSS_NO_REF css ffff888117107c00 !!! [ 86.214008][ T107] !!! css_release css ffff888117105000 !!! [ 86.219930][ T107] !!! css_put is zero set CSS_NO_REF css ffff888117105000 !!! [ 86.227636][ T107] !!! css_release css ffff888114b15800 !!! [ 86.233528][ T107] !!! css_put is zero set CSS_NO_REF css ffff888114b15800 !!! [ 86.241128][ T801] !!! css_create !!! [ 86.245161][ T801] !!! css_create !!! [ 86.249123][ T801] !!! css_create !!! [ 86.253204][ T801] FAULT_INJECTION: forcing a failure. [ 86.253204][ T801] name failslab, interval 1, probability 0, space 0, times 0 [ 86.265928][ T801] CPU: 1 PID: 801 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 86.277453][ T801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.287483][ T801] Call Trace: [ 86.290765][ T801] dump_stack+0x19c/0x1e2 [ 86.295074][ T801] should_fail+0x3f7/0x5b0 [ 86.299466][ T801] __should_failslab+0xd2/0x130 [ 86.304293][ T801] should_failslab+0x9/0x20 [ 86.308773][ T801] slab_pre_alloc_hook+0x25/0xe0 [ 86.313895][ T801] ? __kernfs_new_node+0x4c/0x6d0 [ 86.318901][ T801] __kmalloc_track_caller+0x70/0x300 [ 86.324179][ T801] ? __kernfs_new_node+0x4c/0x6d0 [ 86.329191][ T801] kstrdup_const+0x55/0x90 [ 86.333587][ T801] __kernfs_new_node+0x4c/0x6d0 [ 86.338411][ T801] ? string+0x29f/0x2b0 [ 86.342544][ T801] ? vsnprintf+0x1a6c/0x1b30 [ 86.347106][ T801] kernfs_new_node+0x97/0x170 [ 86.351768][ T801] __kernfs_create_file+0x4a/0x270 [ 86.356858][ T801] cgroup_addrm_files+0x99e/0xeb0 [ 86.361859][ T801] ? delete_node+0x747/0x7a0 [ 86.366420][ T801] css_populate_dir+0x137/0x370 [ 86.371257][ T801] cgroup_apply_control_enable+0x31e/0xfc0 [ 86.377049][ T801] cgroup_apply_control+0x36/0x710 [ 86.382136][ T801] ? init_wait_entry+0xe0/0xe0 [ 86.386874][ T801] ? cgroup_kn_lock_live+0x1af/0x370 [ 86.392153][ T801] cgroup_subtree_control_write+0xd05/0x12d0 [ 86.398128][ T801] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 86.404169][ T801] cgroup_file_write+0x22f/0x4f0 [ 86.409082][ T801] kernfs_fop_write_iter+0x2cd/0x410 [ 86.414446][ T801] ? cgroup_seqfile_stop+0xc0/0xc0 [ 86.419582][ T801] vfs_write+0xb57/0xe50 [ 86.423812][ T801] ksys_write+0x157/0x260 [ 86.428456][ T801] __x64_sys_write+0x7b/0x90 [ 86.433158][ T801] do_syscall_64+0x34/0x70 [ 86.437695][ T801] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.443564][ T801] RIP: 0033:0x7fce14ce20e9 [ 86.447965][ T801] 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 [ 86.467652][ T801] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.476047][ T801] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 86.484004][ T801] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 86.491990][ T801] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 86.499937][ T801] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 86.507894][ T801] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 86.516044][ T801] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 86.523138][ T801] !!! cgroup_apply_control_disable [ 86.528442][ T801] !!! cgroup_apply_control_disable kill_css ffff888116607400 [ 86.535925][ T801] !!! cgroup_apply_control_disable kill_css ffff888116606000 [ 86.543792][ T801] !!! cgroup_apply_control_disable kill_css ffff888116607000 [ 86.571194][ C0] !!! css_killed_ref_fn css ffff888116607400 !!! [ 86.577610][ T107] !!! css_release css ffff888116607400 !!! [ 86.583467][ C0] !!! css_killed_ref_fn css ffff888116606000 !!! [ 86.583487][ C0] !!! css_killed_ref_fn css ffff888116607000 !!! [ 86.596285][ T107] !!! css_put is zero set CSS_NO_REF css ffff888116607400 !!! [ 86.603860][ T107] !!! css_release css ffff888116606000 !!! [ 86.609932][ T107] !!! css_put is zero set CSS_NO_REF css ffff888116606000 !!! [ 86.617657][ T107] !!! css_release css ffff888116607000 !!! [ 86.623621][ T107] !!! css_put is zero set CSS_NO_REF css ffff888116607000 !!! [ 86.631453][ T820] !!! css_create !!! [ 86.635470][ T820] !!! css_create !!! [ 86.639519][ T820] !!! css_create !!! [ 86.643619][ T820] FAULT_INJECTION: forcing a failure. [ 86.643619][ T820] name failslab, interval 1, probability 0, space 0, times 0 [ 86.656276][ T820] CPU: 0 PID: 820 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 86.667811][ T820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.677842][ T820] Call Trace: [ 86.681124][ T820] dump_stack+0x19c/0x1e2 [ 86.685441][ T820] should_fail+0x3f7/0x5b0 [ 86.689862][ T820] __should_failslab+0xd2/0x130 [ 86.694712][ T820] should_failslab+0x9/0x20 [ 86.699198][ T820] slab_pre_alloc_hook+0x25/0xe0 [ 86.704128][ T820] kmem_cache_alloc_trace+0x47/0x2b0 [ 86.709398][ T820] ? percpu_ref_init+0xd0/0x330 [ 86.714227][ T820] percpu_ref_init+0xd0/0x330 [ 86.718889][ T820] ? cgroup_setup_root+0x8a0/0x8a0 [ 86.723971][ T820] cgroup_apply_control_enable+0x49f/0xfc0 [ 86.729747][ T820] cgroup_apply_control+0x36/0x710 [ 86.734830][ T820] ? init_wait_entry+0xe0/0xe0 [ 86.739592][ T820] ? cgroup_kn_lock_live+0x1af/0x370 [ 86.744858][ T820] cgroup_subtree_control_write+0xd05/0x12d0 [ 86.750809][ T820] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 86.756760][ T820] cgroup_file_write+0x22f/0x4f0 [ 86.761669][ T820] kernfs_fop_write_iter+0x2cd/0x410 [ 86.766932][ T820] ? cgroup_seqfile_stop+0xc0/0xc0 [ 86.772018][ T820] vfs_write+0xb57/0xe50 [ 86.776249][ T820] ksys_write+0x157/0x260 [ 86.780814][ T820] __x64_sys_write+0x7b/0x90 [ 86.785391][ T820] do_syscall_64+0x34/0x70 [ 86.789789][ T820] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.795761][ T820] RIP: 0033:0x7fe496c3a0e9 [ 86.800150][ T820] 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 [ 86.819816][ T820] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.828204][ T820] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 86.836151][ T820] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 86.844100][ T820] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 86.852062][ T820] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 86.860007][ T820] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 86.868174][ T820] !!! cgroup_apply_control_disable [ 86.873364][ T820] !!! cgroup_apply_control_disable kill_css ffff888114d63000 [ 86.880874][ T820] !!! cgroup_apply_control_disable kill_css ffff888114d63800 [ 86.921173][ C1] !!! css_killed_ref_fn css ffff888114d63000 !!! [ 86.927572][ T19] !!! css_release css ffff888114d63000 !!! [ 86.933390][ C1] !!! css_killed_ref_fn css ffff888114d63800 !!! [ 86.939835][ T19] !!! css_put is zero set CSS_NO_REF css ffff888114d63000 !!! [ 86.947548][ T19] !!! css_release css ffff888114d63800 !!! [ 86.953542][ T19] !!! css_put is zero set CSS_NO_REF css ffff888114d63800 !!! [ 86.961022][ T817] !!! css_create !!! [ 86.965054][ T817] !!! css_create !!! [ 86.969141][ T817] !!! css_create !!! [ 86.973239][ T817] FAULT_INJECTION: forcing a failure. [ 86.973239][ T817] name failslab, interval 1, probability 0, space 0, times 0 [ 86.986168][ T817] CPU: 1 PID: 817 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 86.997780][ T817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.007815][ T817] Call Trace: [ 87.011088][ T817] dump_stack+0x19c/0x1e2 [ 87.015399][ T817] should_fail+0x3f7/0x5b0 [ 87.019798][ T817] __should_failslab+0xd2/0x130 [ 87.024741][ T817] should_failslab+0x9/0x20 [ 87.029216][ T817] slab_pre_alloc_hook+0x25/0xe0 [ 87.034134][ T817] kmem_cache_alloc_trace+0x47/0x2b0 [ 87.039397][ T817] ? pids_css_alloc+0x4e/0x120 [ 87.044168][ T817] pids_css_alloc+0x4e/0x120 [ 87.048730][ T817] cgroup_apply_control_enable+0x44e/0xfc0 [ 87.054524][ T817] cgroup_apply_control+0x36/0x710 [ 87.059626][ T817] ? init_wait_entry+0xe0/0xe0 [ 87.064398][ T817] ? cgroup_kn_lock_live+0x1af/0x370 [ 87.069675][ T817] cgroup_subtree_control_write+0xd05/0x12d0 [ 87.075638][ T817] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 87.081713][ T817] cgroup_file_write+0x22f/0x4f0 [ 87.086717][ T817] kernfs_fop_write_iter+0x2cd/0x410 [ 87.092009][ T817] ? cgroup_seqfile_stop+0xc0/0xc0 [ 87.097111][ T817] vfs_write+0xb57/0xe50 [ 87.101467][ T817] ksys_write+0x157/0x260 [ 87.105784][ T817] __x64_sys_write+0x7b/0x90 [ 87.110382][ T817] do_syscall_64+0x34/0x70 [ 87.114804][ T817] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.120791][ T817] RIP: 0033:0x7fd11bd980e9 [ 87.125295][ T817] 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 [ 87.145403][ T817] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.153938][ T817] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 87.161892][ T817] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 87.169841][ T817] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 87.177804][ T817] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 87.185853][ T817] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 87.194967][ T817] !!! cgroup_apply_control_disable [ 87.200235][ T817] !!! cgroup_apply_control_disable kill_css ffff888114d07400 [ 87.207898][ T817] !!! cgroup_apply_control_disable kill_css ffff888114d06000 [ 87.241125][ C0] !!! css_killed_ref_fn css ffff888114d07400 !!! [ 87.247624][ T107] !!! css_release css ffff888114d07400 !!! [ 87.253502][ C0] !!! css_killed_ref_fn css ffff888114d06000 !!! [ 87.259970][ T107] !!! css_put is zero set CSS_NO_REF css ffff888114d07400 !!! [ 87.267487][ T107] !!! css_release css ffff888114d06000 !!! [ 87.273453][ T107] !!! css_put is zero set CSS_NO_REF css ffff888114d06000 !!! [ 87.281583][ T826] !!! css_create !!! [ 87.285733][ T826] !!! css_create !!! [ 87.289753][ T826] !!! css_create !!! [ 87.293750][ T826] FAULT_INJECTION: forcing a failure. [ 87.293750][ T826] name failslab, interval 1, probability 0, space 0, times 0 [ 87.306865][ T826] CPU: 0 PID: 826 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 87.318374][ T826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.328434][ T826] Call Trace: [ 87.332170][ T826] dump_stack+0x19c/0x1e2 [ 87.336539][ T826] should_fail+0x3f7/0x5b0 [ 87.341331][ T826] __should_failslab+0xd2/0x130 [ 87.346272][ T826] should_failslab+0x9/0x20 [ 87.350768][ T826] slab_pre_alloc_hook+0x25/0xe0 [ 87.355699][ T826] ? __kernfs_new_node+0x4c/0x6d0 [ 87.360808][ T826] __kmalloc_track_caller+0x70/0x300 [ 87.366090][ T826] ? __kernfs_new_node+0x4c/0x6d0 [ 87.371135][ T826] kstrdup_const+0x55/0x90 [ 87.375635][ T826] __kernfs_new_node+0x4c/0x6d0 [ 87.380623][ T826] ? string+0x29f/0x2b0 [ 87.385600][ T826] ? vsnprintf+0x1a6c/0x1b30 [ 87.390797][ T826] kernfs_new_node+0x97/0x170 [ 87.396016][ T826] __kernfs_create_file+0x4a/0x270 [ 87.401219][ T826] cgroup_addrm_files+0x99e/0xeb0 [ 87.406239][ T826] ? delete_node+0x747/0x7a0 [ 87.410822][ T826] css_populate_dir+0x137/0x370 [ 87.415863][ T826] cgroup_apply_control_enable+0x31e/0xfc0 [ 87.422113][ T826] cgroup_apply_control+0x36/0x710 [ 87.427329][ T826] ? init_wait_entry+0xe0/0xe0 [ 87.432071][ T826] ? cgroup_kn_lock_live+0x1af/0x370 [ 87.437592][ T826] cgroup_subtree_control_write+0xd05/0x12d0 [ 87.444490][ T826] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 87.450774][ T826] cgroup_file_write+0x22f/0x4f0 [ 87.456507][ T826] kernfs_fop_write_iter+0x2cd/0x410 [ 87.461771][ T826] ? cgroup_seqfile_stop+0xc0/0xc0 [ 87.466870][ T826] vfs_write+0xb57/0xe50 [ 87.471189][ T826] ksys_write+0x157/0x260 [ 87.475488][ T826] __x64_sys_write+0x7b/0x90 [ 87.480137][ T826] do_syscall_64+0x34/0x70 [ 87.484823][ T826] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.491143][ T826] RIP: 0033:0x7fd31cb190e9 [ 87.495724][ T826] 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 [ 87.515581][ T826] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.523994][ T826] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 87.532876][ T826] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 87.541642][ T826] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 87.549591][ T826] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 87.557675][ T826] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 87.566066][ T826] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 87.573810][ T826] !!! cgroup_apply_control_disable [ 87.579009][ T826] !!! cgroup_apply_control_disable kill_css ffff888114c1b400 [ 87.587346][ T826] !!! cgroup_apply_control_disable kill_css ffff888114c1a000 [ 87.594817][ T826] !!! cgroup_apply_control_disable kill_css ffff888114d07000 [ 87.621175][ C0] !!! css_killed_ref_fn css ffff888114c1b400 !!! [ 87.628316][ T5] !!! css_release css ffff888114c1b400 !!! [ 87.634281][ T5] !!! css_put is zero set CSS_NO_REF css ffff888114c1b400 !!! [ 87.642120][ C0] !!! css_killed_ref_fn css ffff888114c1a000 !!! [ 87.642136][ C0] !!! css_killed_ref_fn css ffff888114d07000 !!! [ 87.655984][ T5] !!! css_release css ffff888114c1a000 !!! [ 87.663369][ T5] !!! css_put is zero set CSS_NO_REF css ffff888114c1a000 !!! [ 87.671396][ T5] !!! css_release css ffff888114d07000 !!! [ 87.677897][ T5] !!! css_put is zero set CSS_NO_REF css ffff888114d07000 !!! [ 87.686053][ T829] !!! css_create !!! [ 87.690095][ T829] !!! css_create !!! [ 87.694287][ T829] !!! css_create !!! [ 87.698193][ T829] FAULT_INJECTION: forcing a failure. [ 87.698193][ T829] name failslab, interval 1, probability 0, space 0, times 0 [ 87.711056][ T829] CPU: 0 PID: 829 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 87.722853][ T829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.733424][ T829] Call Trace: [ 87.737090][ T829] dump_stack+0x19c/0x1e2 [ 87.741451][ T829] should_fail+0x3f7/0x5b0 [ 87.745841][ T829] __should_failslab+0xd2/0x130 [ 87.751202][ T829] should_failslab+0x9/0x20 [ 87.756045][ T829] slab_pre_alloc_hook+0x25/0xe0 [ 87.760963][ T829] ? __kernfs_new_node+0x4c/0x6d0 [ 87.766050][ T829] __kmalloc_track_caller+0x70/0x300 [ 87.771378][ T829] ? __kernfs_new_node+0x4c/0x6d0 [ 87.776408][ T829] kstrdup_const+0x55/0x90 [ 87.782043][ T829] __kernfs_new_node+0x4c/0x6d0 [ 87.786873][ T829] ? string+0x29f/0x2b0 [ 87.791388][ T829] ? vsnprintf+0x1a6c/0x1b30 [ 87.795970][ T829] kernfs_new_node+0x97/0x170 [ 87.800642][ T829] __kernfs_create_file+0x4a/0x270 [ 87.806102][ T829] cgroup_addrm_files+0x99e/0xeb0 [ 87.811131][ T829] ? delete_node+0x747/0x7a0 [ 87.815798][ T829] css_populate_dir+0x137/0x370 [ 87.820647][ T829] cgroup_apply_control_enable+0x31e/0xfc0 [ 87.826609][ T829] cgroup_apply_control+0x36/0x710 [ 87.831917][ T829] ? init_wait_entry+0xe0/0xe0 [ 87.837020][ T829] ? cgroup_kn_lock_live+0x1af/0x370 [ 87.842297][ T829] cgroup_subtree_control_write+0xd05/0x12d0 [ 87.848260][ T829] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 87.854220][ T829] cgroup_file_write+0x22f/0x4f0 [ 87.859275][ T829] kernfs_fop_write_iter+0x2cd/0x410 [ 87.864557][ T829] ? cgroup_seqfile_stop+0xc0/0xc0 [ 87.869655][ T829] vfs_write+0xb57/0xe50 [ 87.873872][ T829] ksys_write+0x157/0x260 [ 87.878352][ T829] __x64_sys_write+0x7b/0x90 [ 87.883178][ T829] do_syscall_64+0x34/0x70 [ 87.887671][ T829] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.893736][ T829] RIP: 0033:0x7fce14ce20e9 [ 87.898229][ T829] 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 [ 87.918697][ T829] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.927699][ T829] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 87.935845][ T829] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 87.943800][ T829] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 87.951762][ T829] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 87.959727][ T829] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 87.968059][ T829] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 87.975601][ T829] !!! cgroup_apply_control_disable [ 87.980993][ T829] !!! cgroup_apply_control_disable kill_css ffff888116f84000 [ 87.988763][ T829] !!! cgroup_apply_control_disable kill_css ffff888116f87800 [ 87.996404][ T829] !!! cgroup_apply_control_disable kill_css ffff888116f84c00 [ 88.055527][ C0] !!! css_killed_ref_fn css ffff888116f84000 !!! [ 88.062001][ C0] !!! css_killed_ref_fn css ffff888116f87800 !!! [ 88.068537][ C0] !!! css_killed_ref_fn css ffff888116f84c00 !!! [ 88.075039][ T388] !!! css_release css ffff888116f84000 !!! [ 88.081020][ T388] !!! css_put is zero set CSS_NO_REF css ffff888116f84000 !!! [ 88.088581][ T388] !!! css_release css ffff888116f87800 !!! [ 88.094618][ T388] !!! css_put is zero set CSS_NO_REF css ffff888116f87800 !!! [ 88.102658][ T388] !!! css_release css ffff888116f84c00 !!! [ 88.108477][ T388] !!! css_put is zero set CSS_NO_REF css ffff888116f84c00 !!! [ 88.116250][ T823] !!! css_create !!! [ 88.120194][ T823] !!! css_create !!! [ 88.124251][ T823] !!! css_create !!! [ 88.128297][ T823] FAULT_INJECTION: forcing a failure. [ 88.128297][ T823] name failslab, interval 1, probability 0, space 0, times 0 [ 88.141622][ T823] CPU: 0 PID: 823 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 88.153788][ T823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.163916][ T823] Call Trace: [ 88.167184][ T823] dump_stack+0x19c/0x1e2 [ 88.171645][ T823] should_fail+0x3f7/0x5b0 [ 88.177032][ T823] __should_failslab+0xd2/0x130 [ 88.182197][ T823] should_failslab+0x9/0x20 [ 88.186799][ T823] slab_pre_alloc_hook+0x25/0xe0 [ 88.191740][ T823] ? __kernfs_new_node+0x4c/0x6d0 [ 88.196749][ T823] __kmalloc_track_caller+0x70/0x300 [ 88.202012][ T823] ? __kernfs_new_node+0x4c/0x6d0 [ 88.207112][ T823] kstrdup_const+0x55/0x90 [ 88.211510][ T823] __kernfs_new_node+0x4c/0x6d0 [ 88.216340][ T823] ? string+0x29f/0x2b0 [ 88.220474][ T823] ? vsnprintf+0x1a6c/0x1b30 [ 88.225059][ T823] kernfs_new_node+0x97/0x170 [ 88.229967][ T823] __kernfs_create_file+0x4a/0x270 [ 88.235069][ T823] cgroup_addrm_files+0x99e/0xeb0 [ 88.240081][ T823] ? delete_node+0x747/0x7a0 [ 88.244992][ T823] css_populate_dir+0x137/0x370 [ 88.249828][ T823] cgroup_apply_control_enable+0x31e/0xfc0 [ 88.255632][ T823] cgroup_apply_control+0x36/0x710 [ 88.260746][ T823] ? init_wait_entry+0xe0/0xe0 [ 88.265765][ T823] ? cgroup_kn_lock_live+0x1af/0x370 [ 88.271042][ T823] cgroup_subtree_control_write+0xd05/0x12d0 [ 88.278608][ T823] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 88.284787][ T823] cgroup_file_write+0x22f/0x4f0 [ 88.289710][ T823] kernfs_fop_write_iter+0x2cd/0x410 [ 88.295192][ T823] ? cgroup_seqfile_stop+0xc0/0xc0 [ 88.300407][ T823] vfs_write+0xb57/0xe50 [ 88.304643][ T823] ksys_write+0x157/0x260 [ 88.308966][ T823] __x64_sys_write+0x7b/0x90 [ 88.313550][ T823] do_syscall_64+0x34/0x70 [ 88.317953][ T823] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.324108][ T823] RIP: 0033:0x7f6f953440e9 [ 88.328549][ T823] 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 [ 88.348981][ T823] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.357667][ T823] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 88.365644][ T823] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 88.373827][ T823] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 88.381784][ T823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 88.389744][ T823] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 88.397836][ T823] cgroup: cgroup_addrm_files: failed to add max, err=-12 2022/05/31 18:33:30 executed programs: 132 [ 88.405084][ T823] !!! cgroup_apply_control_disable [ 88.410275][ T823] !!! cgroup_apply_control_disable kill_css ffff888116ff3400 [ 88.417879][ T823] !!! cgroup_apply_control_disable kill_css ffff888116ff2400 [ 88.425295][ T823] !!! cgroup_apply_control_disable kill_css ffff888116ff2800 [ 88.441728][ C0] !!! css_killed_ref_fn css ffff888116ff3400 !!! [ 88.448434][ T5] !!! css_release css ffff888116ff3400 !!! [ 88.454395][ C0] !!! css_killed_ref_fn css ffff888116ff2400 !!! [ 88.454404][ C0] !!! css_killed_ref_fn css ffff888116ff2800 !!! [ 88.467087][ T5] !!! css_put is zero set CSS_NO_REF css ffff888116ff3400 !!! [ 88.474583][ T5] !!! css_release css ffff888116ff2400 !!! [ 88.480370][ T5] !!! css_put is zero set CSS_NO_REF css ffff888116ff2400 !!! [ 88.487971][ T5] !!! css_release css ffff888116ff2800 !!! [ 88.493809][ T5] !!! css_put is zero set CSS_NO_REF css ffff888116ff2800 !!! [ 88.501371][ T819] !!! css_create !!! [ 88.505556][ T819] !!! css_create !!! [ 88.509499][ T819] !!! css_create !!! [ 88.513546][ T819] FAULT_INJECTION: forcing a failure. [ 88.513546][ T819] name failslab, interval 1, probability 0, space 0, times 0 [ 88.526219][ T819] CPU: 0 PID: 819 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 88.537872][ T819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.547920][ T819] Call Trace: [ 88.551201][ T819] dump_stack+0x19c/0x1e2 [ 88.555522][ T819] should_fail+0x3f7/0x5b0 [ 88.559948][ T819] __should_failslab+0xd2/0x130 [ 88.564787][ T819] should_failslab+0x9/0x20 [ 88.569269][ T819] slab_pre_alloc_hook+0x25/0xe0 [ 88.574284][ T819] ? __kernfs_new_node+0x4c/0x6d0 [ 88.579310][ T819] __kmalloc_track_caller+0x70/0x300 [ 88.584627][ T819] ? __kernfs_new_node+0x4c/0x6d0 [ 88.589628][ T819] kstrdup_const+0x55/0x90 [ 88.594018][ T819] __kernfs_new_node+0x4c/0x6d0 [ 88.599019][ T819] ? string+0x29f/0x2b0 [ 88.603153][ T819] ? vsnprintf+0x1a6c/0x1b30 [ 88.607732][ T819] kernfs_new_node+0x97/0x170 [ 88.612389][ T819] __kernfs_create_file+0x4a/0x270 [ 88.617565][ T819] cgroup_addrm_files+0x99e/0xeb0 [ 88.622659][ T819] ? delete_node+0x747/0x7a0 [ 88.627309][ T819] css_populate_dir+0x137/0x370 [ 88.632363][ T819] cgroup_apply_control_enable+0x31e/0xfc0 [ 88.638200][ T819] cgroup_apply_control+0x36/0x710 [ 88.643296][ T819] ? init_wait_entry+0xe0/0xe0 [ 88.648046][ T819] ? cgroup_kn_lock_live+0x1af/0x370 [ 88.653342][ T819] cgroup_subtree_control_write+0xd05/0x12d0 [ 88.659308][ T819] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 88.665273][ T819] cgroup_file_write+0x22f/0x4f0 [ 88.670198][ T819] kernfs_fop_write_iter+0x2cd/0x410 [ 88.675464][ T819] ? cgroup_seqfile_stop+0xc0/0xc0 [ 88.680549][ T819] vfs_write+0xb57/0xe50 [ 88.684766][ T819] ksys_write+0x157/0x260 [ 88.689084][ T819] __x64_sys_write+0x7b/0x90 [ 88.693716][ T819] do_syscall_64+0x34/0x70 [ 88.698127][ T819] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.704000][ T819] RIP: 0033:0x7f9ada61d0e9 [ 88.708400][ T819] 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 [ 88.728088][ T819] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.736488][ T819] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 88.744437][ T819] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 88.752395][ T819] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 88.760350][ T819] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 88.768297][ T819] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 88.776469][ T819] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 88.783570][ T819] !!! cgroup_apply_control_disable [ 88.788961][ T819] !!! cgroup_apply_control_disable kill_css ffff888116f0ac00 [ 88.796415][ T819] !!! cgroup_apply_control_disable kill_css ffff888116f0b400 [ 88.803864][ T819] !!! cgroup_apply_control_disable kill_css ffff888114d41400 [ 88.831145][ C0] !!! css_killed_ref_fn css ffff888116f0ac00 !!! [ 88.837567][ T388] !!! css_release css ffff888116f0ac00 !!! [ 88.843399][ C0] !!! css_killed_ref_fn css ffff888116f0b400 !!! [ 88.843412][ C0] !!! css_killed_ref_fn css ffff888114d41400 !!! [ 88.856180][ T388] !!! css_put is zero set CSS_NO_REF css ffff888116f0ac00 !!! [ 88.863783][ T388] !!! css_release css ffff888116f0b400 !!! [ 88.869788][ T388] !!! css_put is zero set CSS_NO_REF css ffff888116f0b400 !!! [ 88.877516][ T388] !!! css_release css ffff888114d41400 !!! [ 88.883700][ T388] !!! css_put is zero set CSS_NO_REF css ffff888114d41400 !!! [ 88.891333][ T835] !!! css_create !!! [ 88.895428][ T835] !!! css_create !!! [ 88.899382][ T835] !!! css_create !!! [ 88.903341][ T835] FAULT_INJECTION: forcing a failure. [ 88.903341][ T835] name failslab, interval 1, probability 0, space 0, times 0 [ 88.916034][ T835] CPU: 0 PID: 835 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 88.927638][ T835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.937677][ T835] Call Trace: [ 88.940952][ T835] dump_stack+0x19c/0x1e2 [ 88.945256][ T835] should_fail+0x3f7/0x5b0 [ 88.949659][ T835] __should_failslab+0xd2/0x130 [ 88.954494][ T835] should_failslab+0x9/0x20 [ 88.958980][ T835] slab_pre_alloc_hook+0x25/0xe0 [ 88.963913][ T835] ? __kernfs_new_node+0x4c/0x6d0 [ 88.968918][ T835] __kmalloc_track_caller+0x70/0x300 [ 88.974184][ T835] ? __kernfs_new_node+0x4c/0x6d0 [ 88.979301][ T835] kstrdup_const+0x55/0x90 [ 88.983798][ T835] __kernfs_new_node+0x4c/0x6d0 [ 88.988632][ T835] ? string+0x29f/0x2b0 [ 88.992794][ T835] ? vsnprintf+0x1a6c/0x1b30 [ 88.997486][ T835] kernfs_new_node+0x97/0x170 [ 89.002168][ T835] __kernfs_create_file+0x4a/0x270 [ 89.007542][ T835] cgroup_addrm_files+0x99e/0xeb0 [ 89.013619][ T835] ? delete_node+0x747/0x7a0 [ 89.018276][ T835] css_populate_dir+0x137/0x370 [ 89.023290][ T835] cgroup_apply_control_enable+0x31e/0xfc0 [ 89.029165][ T835] cgroup_apply_control+0x36/0x710 [ 89.034265][ T835] ? init_wait_entry+0xe0/0xe0 [ 89.039003][ T835] ? cgroup_kn_lock_live+0x1af/0x370 [ 89.044368][ T835] cgroup_subtree_control_write+0xd05/0x12d0 [ 89.050777][ T835] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 89.057059][ T835] cgroup_file_write+0x22f/0x4f0 [ 89.061997][ T835] kernfs_fop_write_iter+0x2cd/0x410 [ 89.067290][ T835] ? cgroup_seqfile_stop+0xc0/0xc0 [ 89.072618][ T835] vfs_write+0xb57/0xe50 [ 89.077127][ T835] ksys_write+0x157/0x260 [ 89.081634][ T835] __x64_sys_write+0x7b/0x90 [ 89.086557][ T835] do_syscall_64+0x34/0x70 [ 89.090948][ T835] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.096811][ T835] RIP: 0033:0x7fd11bd980e9 [ 89.101233][ T835] 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 [ 89.121216][ T835] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.129618][ T835] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 89.138721][ T835] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 89.146771][ T835] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 89.155085][ T835] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 89.163041][ T835] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 89.171627][ T835] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 89.178976][ T835] !!! cgroup_apply_control_disable [ 89.184516][ T835] !!! cgroup_apply_control_disable kill_css ffff888116fff800 [ 89.192756][ T835] !!! cgroup_apply_control_disable kill_css ffff888116ffc000 [ 89.200260][ T835] !!! cgroup_apply_control_disable kill_css ffff8881172c0800 [ 89.210071][ T422] ------------[ cut here ]------------ [ 89.215619][ T422] WARNING: CPU: 1 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 89.224571][ C1] !!! css_killed_ref_fn css ffff888116fff800 !!! [ 89.224597][ C1] !!! css_killed_ref_fn css ffff888116ffc000 !!! [ 89.237349][ T422] Modules linked in: [ 89.241277][ T422] CPU: 1 PID: 422 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 89.253146][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.263226][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 89.268836][ T422] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 89.288487][ T422] RSP: 0018:ffffc90000d47dd0 EFLAGS: 00010293 [ 89.294829][ T422] RAX: ffffffff81af040c RBX: ffff8881135595e0 RCX: ffff88810537adc0 [ 89.302850][ T422] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 89.310845][ T422] RBP: ffffc90000d47e40 R08: ffffffff81af0137 R09: fffff520001a8fb2 [ 89.318854][ T422] R10: fffff520001a8fb2 R11: 1ffff920001a8fb1 R12: dffffc0000000000 [ 89.326885][ T422] R13: ffff888113559500 R14: 00000000ffffffff R15: 0000000000000000 [ 89.335005][ T422] FS: 0000555556e01400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 89.343980][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.350896][ T422] CR2: 0000555556e0ab38 CR3: 0000000116d4a000 CR4: 00000000003506a0 [ 89.358919][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.366934][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.374937][ T422] Call Trace: [ 89.378230][ T422] path_umount+0x1ad/0xed0 [ 89.382655][ T422] __x64_sys_umount+0xe8/0x110 [ 89.387421][ T422] do_syscall_64+0x34/0x70 [ 89.391856][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.397765][ T422] RIP: 0033:0x7fd11bd99557 [ 89.402196][ T422] 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 [ 89.422244][ T422] RSP: 002b:00007ffc6401fd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 89.430952][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd11bd99557 [ 89.438936][ T422] RDX: 00007ffc6401fdea RSI: 000000000000000a RDI: 00007ffc6401fde0 [ 89.446957][ T422] RBP: 00007ffc6401fde0 R08: 00000000ffffffff R09: 00007ffc6401fbb0 [ 89.455261][ T422] R10: 0000555556e02ba3 R11: 0000000000000246 R12: 00007fd11bdf11f8 [ 89.463267][ T422] R13: 00007ffc64020ea0 R14: 0000555556e02b00 R15: 00007ffc64020ee0 [ 89.471269][ T422] ---[ end trace 3a08363c28c4e389 ]--- [ 89.476760][ T445] !!! css_release css ffff888116fff800 !!! [ 89.484553][ T445] !!! css_put is zero set CSS_NO_REF css ffff888116fff800 !!! [ 89.492159][ C1] !!! css_killed_ref_fn css ffff8881172c0800 !!! [ 89.498688][ T19] !!! css_release css ffff888116ffc000 !!! [ 89.504531][ T19] !!! css_put is zero set CSS_NO_REF css ffff888116ffc000 !!! [ 89.512120][ T445] !!! css_release css ffff8881172c0800 !!! [ 89.517911][ T445] !!! css_put is zero set CSS_NO_REF css ffff8881172c0800 !!! [ 89.525561][ T847] !!! css_create !!! [ 89.529565][ T847] !!! css_create !!! [ 89.533667][ T847] !!! css_create !!! [ 89.537611][ T847] FAULT_INJECTION: forcing a failure. [ 89.537611][ T847] name failslab, interval 1, probability 0, space 0, times 0 [ 89.550533][ T847] CPU: 1 PID: 847 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 89.563533][ T847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.573567][ T847] Call Trace: [ 89.576842][ T847] dump_stack+0x19c/0x1e2 [ 89.581184][ T847] should_fail+0x3f7/0x5b0 [ 89.585709][ T847] __should_failslab+0xd2/0x130 [ 89.590539][ T847] should_failslab+0x9/0x20 [ 89.595019][ T847] slab_pre_alloc_hook+0x25/0xe0 [ 89.599928][ T847] kmem_cache_alloc_trace+0x47/0x2b0 [ 89.605182][ T847] ? pids_css_alloc+0x4e/0x120 [ 89.609923][ T847] pids_css_alloc+0x4e/0x120 [ 89.614486][ T847] cgroup_apply_control_enable+0x44e/0xfc0 [ 89.620264][ T847] cgroup_apply_control+0x36/0x710 [ 89.625345][ T847] ? init_wait_entry+0xe0/0xe0 [ 89.630082][ T847] ? cgroup_kn_lock_live+0x1af/0x370 [ 89.635339][ T847] cgroup_subtree_control_write+0xd05/0x12d0 [ 89.641292][ T847] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 89.647245][ T847] cgroup_file_write+0x22f/0x4f0 [ 89.652155][ T847] kernfs_fop_write_iter+0x2cd/0x410 [ 89.657513][ T847] ? cgroup_seqfile_stop+0xc0/0xc0 [ 89.662595][ T847] vfs_write+0xb57/0xe50 [ 89.666808][ T847] ksys_write+0x157/0x260 [ 89.671114][ T847] __x64_sys_write+0x7b/0x90 [ 89.675681][ T847] do_syscall_64+0x34/0x70 [ 89.680088][ T847] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.685964][ T847] RIP: 0033:0x7f9ada61d0e9 [ 89.690632][ T847] 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 [ 89.710214][ T847] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.718602][ T847] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 89.726547][ T847] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 89.734493][ T847] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 89.742451][ T847] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 89.750402][ T847] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 89.758738][ T847] !!! cgroup_apply_control_disable [ 89.764140][ T847] !!! cgroup_apply_control_disable kill_css ffff888116602400 [ 89.771756][ T847] !!! cgroup_apply_control_disable kill_css ffff888116255800 [ 89.801122][ C1] !!! css_killed_ref_fn css ffff888116602400 !!! [ 89.807531][ C1] !!! css_killed_ref_fn css ffff888116255800 !!! [ 89.813932][ T445] !!! css_release css ffff888116602400 !!! [ 89.819725][ T445] !!! css_put is zero set CSS_NO_REF css ffff888116602400 !!! [ 89.827297][ T445] !!! css_release css ffff888116255800 !!! [ 89.833250][ T445] !!! css_put is zero set CSS_NO_REF css ffff888116255800 !!! [ 89.841048][ T838] !!! css_create !!! [ 89.845082][ T838] !!! css_create !!! [ 89.849018][ T838] !!! css_create !!! [ 89.853011][ T838] FAULT_INJECTION: forcing a failure. [ 89.853011][ T838] name failslab, interval 1, probability 0, space 0, times 0 [ 89.865661][ T838] CPU: 0 PID: 838 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 89.877277][ T838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.887319][ T838] Call Trace: [ 89.890613][ T838] dump_stack+0x19c/0x1e2 [ 89.895192][ T838] should_fail+0x3f7/0x5b0 [ 89.899591][ T838] __should_failslab+0xd2/0x130 [ 89.904519][ T838] should_failslab+0x9/0x20 [ 89.909480][ T838] slab_pre_alloc_hook+0x25/0xe0 [ 89.914816][ T838] kmem_cache_alloc_trace+0x47/0x2b0 [ 89.920104][ T838] ? percpu_ref_init+0xd0/0x330 [ 89.926423][ T838] percpu_ref_init+0xd0/0x330 [ 89.931598][ T838] ? cgroup_setup_root+0x8a0/0x8a0 [ 89.936683][ T838] cgroup_apply_control_enable+0x49f/0xfc0 [ 89.942556][ T838] cgroup_apply_control+0x36/0x710 [ 89.947743][ T838] ? init_wait_entry+0xe0/0xe0 [ 89.952479][ T838] ? cgroup_kn_lock_live+0x1af/0x370 [ 89.957837][ T838] cgroup_subtree_control_write+0xd05/0x12d0 [ 89.963996][ T838] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 89.970391][ T838] cgroup_file_write+0x22f/0x4f0 [ 89.975308][ T838] kernfs_fop_write_iter+0x2cd/0x410 [ 89.980958][ T838] ? cgroup_seqfile_stop+0xc0/0xc0 [ 89.986150][ T838] vfs_write+0xb57/0xe50 [ 89.990406][ T838] ksys_write+0x157/0x260 [ 89.994857][ T838] __x64_sys_write+0x7b/0x90 [ 89.999469][ T838] do_syscall_64+0x34/0x70 [ 90.003872][ T838] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.009745][ T838] RIP: 0033:0x7fd31cb190e9 [ 90.014149][ T838] 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 [ 90.033906][ T838] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.042554][ T838] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 90.050763][ T838] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 90.058744][ T838] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 90.067348][ T838] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 90.076014][ T838] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 90.084290][ T838] !!! cgroup_apply_control_disable [ 90.089674][ T838] !!! cgroup_apply_control_disable kill_css ffff8881161de400 [ 90.097154][ T838] !!! cgroup_apply_control_disable kill_css ffff8881161dd400 [ 90.141139][ C0] !!! css_killed_ref_fn css ffff8881161de400 !!! [ 90.147554][ C0] !!! css_killed_ref_fn css ffff8881161dd400 !!! [ 90.154177][ T107] !!! css_release css ffff8881161de400 !!! [ 90.160140][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881161de400 !!! [ 90.167865][ T107] !!! css_release css ffff8881161dd400 !!! [ 90.173991][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881161dd400 !!! [ 90.181587][ T849] !!! css_create !!! [ 90.185613][ T849] !!! css_create !!! [ 90.189800][ T849] !!! css_create !!! [ 90.193783][ T849] FAULT_INJECTION: forcing a failure. [ 90.193783][ T849] name failslab, interval 1, probability 0, space 0, times 0 [ 90.206694][ T849] CPU: 0 PID: 849 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 90.218305][ T849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.228471][ T849] Call Trace: [ 90.231754][ T849] dump_stack+0x19c/0x1e2 [ 90.236499][ T849] should_fail+0x3f7/0x5b0 [ 90.240912][ T849] __should_failslab+0xd2/0x130 [ 90.245739][ T849] should_failslab+0x9/0x20 [ 90.250217][ T849] slab_pre_alloc_hook+0x25/0xe0 [ 90.255132][ T849] ? __kernfs_new_node+0x4c/0x6d0 [ 90.260130][ T849] __kmalloc_track_caller+0x70/0x300 [ 90.265394][ T849] ? __kernfs_new_node+0x4c/0x6d0 [ 90.270410][ T849] kstrdup_const+0x55/0x90 [ 90.274825][ T849] __kernfs_new_node+0x4c/0x6d0 [ 90.279659][ T849] ? string+0x29f/0x2b0 [ 90.283821][ T849] ? vsnprintf+0x1a6c/0x1b30 [ 90.288402][ T849] kernfs_new_node+0x97/0x170 [ 90.293057][ T849] __kernfs_create_file+0x4a/0x270 [ 90.298147][ T849] cgroup_addrm_files+0x99e/0xeb0 [ 90.303171][ T849] ? delete_node+0x747/0x7a0 [ 90.307754][ T849] css_populate_dir+0x137/0x370 [ 90.312582][ T849] cgroup_apply_control_enable+0x31e/0xfc0 [ 90.318458][ T849] cgroup_apply_control+0x36/0x710 [ 90.323687][ T849] ? init_wait_entry+0xe0/0xe0 [ 90.328457][ T849] ? cgroup_kn_lock_live+0x1af/0x370 [ 90.333731][ T849] cgroup_subtree_control_write+0xd05/0x12d0 [ 90.340216][ T849] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 90.346290][ T849] cgroup_file_write+0x22f/0x4f0 [ 90.351238][ T849] kernfs_fop_write_iter+0x2cd/0x410 [ 90.356508][ T849] ? cgroup_seqfile_stop+0xc0/0xc0 [ 90.361784][ T849] vfs_write+0xb57/0xe50 [ 90.366002][ T849] ksys_write+0x157/0x260 [ 90.370309][ T849] __x64_sys_write+0x7b/0x90 [ 90.374873][ T849] do_syscall_64+0x34/0x70 [ 90.379352][ T849] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.385218][ T849] RIP: 0033:0x7fd11bd980e9 [ 90.389696][ T849] 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 [ 90.409474][ T849] RSP: 002b:00007fd11bd0e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.417874][ T849] RAX: ffffffffffffffda RBX: 00007fd11beaaf60 RCX: 00007fd11bd980e9 [ 90.425826][ T849] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 90.433776][ T849] RBP: 00007fd11bd0e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 90.441725][ T849] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 90.449683][ T849] R13: 00007ffc64020bbf R14: 00007fd11bd0e300 R15: 0000000000022000 [ 90.457776][ T849] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 90.464826][ T849] !!! cgroup_apply_control_disable [ 90.469921][ T849] !!! cgroup_apply_control_disable kill_css ffff8881162eac00 [ 90.477510][ T849] !!! cgroup_apply_control_disable kill_css ffff8881162e9000 [ 90.484920][ T849] !!! cgroup_apply_control_disable kill_css ffff888113e45800 [ 90.531144][ C0] !!! css_killed_ref_fn css ffff8881162eac00 !!! [ 90.537520][ C0] !!! css_killed_ref_fn css ffff8881162e9000 !!! [ 90.543850][ C0] !!! css_killed_ref_fn css ffff888113e45800 !!! [ 90.550283][ T74] !!! css_release css ffff8881162eac00 !!! [ 90.556205][ T74] !!! css_put is zero set CSS_NO_REF css ffff8881162eac00 !!! [ 90.563750][ T74] !!! css_release css ffff8881162e9000 !!! [ 90.569545][ T74] !!! css_put is zero set CSS_NO_REF css ffff8881162e9000 !!! [ 90.577186][ T107] !!! css_release css ffff888113e45800 !!! [ 90.583077][ T107] !!! css_put is zero set CSS_NO_REF css ffff888113e45800 !!! [ 90.590705][ T855] !!! css_create !!! [ 90.594746][ T855] !!! css_create !!! [ 90.598699][ T855] !!! css_create !!! [ 90.602656][ T855] FAULT_INJECTION: forcing a failure. [ 90.602656][ T855] name failslab, interval 1, probability 0, space 0, times 0 [ 90.615300][ T855] CPU: 0 PID: 855 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 90.626904][ T855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.637444][ T855] Call Trace: [ 90.640740][ T855] dump_stack+0x19c/0x1e2 [ 90.645246][ T855] should_fail+0x3f7/0x5b0 [ 90.649650][ T855] __should_failslab+0xd2/0x130 [ 90.654484][ T855] should_failslab+0x9/0x20 [ 90.658985][ T855] slab_pre_alloc_hook+0x25/0xe0 [ 90.663902][ T855] kmem_cache_alloc_trace+0x47/0x2b0 [ 90.669161][ T855] ? percpu_ref_init+0xd0/0x330 [ 90.673990][ T855] percpu_ref_init+0xd0/0x330 [ 90.678641][ T855] ? cgroup_setup_root+0x8a0/0x8a0 [ 90.683727][ T855] cgroup_apply_control_enable+0x49f/0xfc0 [ 90.689548][ T855] cgroup_apply_control+0x36/0x710 [ 90.694648][ T855] ? init_wait_entry+0xe0/0xe0 [ 90.699391][ T855] ? cgroup_kn_lock_live+0x1af/0x370 [ 90.704841][ T855] cgroup_subtree_control_write+0xd05/0x12d0 [ 90.710821][ T855] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 90.716775][ T855] cgroup_file_write+0x22f/0x4f0 [ 90.721693][ T855] kernfs_fop_write_iter+0x2cd/0x410 [ 90.726949][ T855] ? cgroup_seqfile_stop+0xc0/0xc0 [ 90.732038][ T855] vfs_write+0xb57/0xe50 [ 90.736256][ T855] ksys_write+0x157/0x260 [ 90.740557][ T855] __x64_sys_write+0x7b/0x90 [ 90.745131][ T855] do_syscall_64+0x34/0x70 [ 90.749532][ T855] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.755397][ T855] RIP: 0033:0x7fd31cb190e9 [ 90.759790][ T855] 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 [ 90.779371][ T855] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.787763][ T855] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 90.795714][ T855] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 90.803670][ T855] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 90.811624][ T855] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 90.819576][ T855] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 90.827697][ T855] !!! cgroup_apply_control_disable [ 90.832836][ T855] !!! cgroup_apply_control_disable kill_css ffff88811714cc00 [ 90.840478][ T855] !!! cgroup_apply_control_disable kill_css ffff88811714f800 [ 90.850519][ T423] ------------[ cut here ]------------ [ 90.856034][ T423] WARNING: CPU: 0 PID: 423 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 90.864993][ T423] Modules linked in: [ 90.868905][ T423] CPU: 0 PID: 423 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 90.880464][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.890654][ T423] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 90.896300][ T423] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 90.916817][ T423] RSP: 0018:ffffc90000d57d58 EFLAGS: 00010293 [ 90.922905][ T423] RAX: ffffffff81af040c RBX: ffff888113558e60 RCX: ffff88810536cc40 [ 90.930871][ T423] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 90.938851][ T423] RBP: ffffc90000d57dc8 R08: ffffffff81af0137 R09: fffff520001aafa3 [ 90.946830][ T423] R10: fffff520001aafa3 R11: 1ffff920001aafa2 R12: dffffc0000000000 [ 90.955197][ T423] R13: ffff888113558d80 R14: 00000000ffffffff R15: 0000000000000000 [ 90.963183][ T423] FS: 0000555555d72400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 90.972214][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.978794][ T423] CR2: 0000555555d7bb38 CR3: 0000000116485000 CR4: 00000000003506b0 [ 90.986773][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 90.994778][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.002755][ T423] Call Trace: [ 91.006133][ T423] ? init_wait_entry+0xe0/0xe0 [ 91.010880][ T423] ? up_write+0x68/0x140 [ 91.015132][ T423] namespace_unlock+0x377/0x420 [ 91.019975][ T423] path_umount+0xe23/0xed0 [ 91.024407][ T423] __x64_sys_umount+0xe8/0x110 [ 91.029177][ T423] do_syscall_64+0x34/0x70 [ 91.033707][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.039616][ T423] RIP: 0033:0x7fd31cb1a557 [ 91.044055][ T423] 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 [ 91.063798][ T423] RSP: 002b:00007ffedb330808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 91.072521][ T423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd31cb1a557 [ 91.080509][ T423] RDX: 00007ffedb3308da RSI: 000000000000000a RDI: 00007ffedb3308d0 [ 91.088503][ T423] RBP: 00007ffedb3308d0 R08: 00000000ffffffff R09: 00007ffedb3306a0 [ 91.096496][ T423] R10: 0000555555d73ba3 R11: 0000000000000246 R12: 00007fd31cb721f8 [ 91.104489][ T423] R13: 00007ffedb331990 R14: 0000555555d73b00 R15: 00007ffedb3319d0 [ 91.112465][ T423] ---[ end trace 3a08363c28c4e38a ]--- [ 91.118165][ T423] ------------[ cut here ]------------ [ 91.123656][ T423] WARNING: CPU: 0 PID: 423 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 91.132782][ C0] !!! css_killed_ref_fn css ffff88811714cc00 !!! [ 91.132796][ C0] !!! css_killed_ref_fn css ffff88811714f800 !!! [ 91.145431][ T423] Modules linked in: [ 91.149327][ T423] CPU: 0 PID: 423 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 91.160861][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.170972][ T423] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 91.176704][ T423] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 91.196330][ T423] RSP: 0018:ffffc90000d57dd0 EFLAGS: 00010293 [ 91.202419][ T423] RAX: ffffffff81af040c RBX: ffff888113558e60 RCX: ffff88810536cc40 [ 91.210388][ T423] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 91.218376][ T423] RBP: ffffc90000d57e40 R08: ffffffff81af0137 R09: fffff520001aafb2 [ 91.226474][ T423] R10: fffff520001aafb2 R11: 1ffff920001aafb1 R12: dffffc0000000000 [ 91.234470][ T423] R13: ffff888113558d80 R14: 00000000fffffffe R15: 0000000000000000 [ 91.242472][ T423] FS: 0000555555d72400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 91.251867][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.258443][ T423] CR2: 0000555555d7bb38 CR3: 0000000116485000 CR4: 00000000003506b0 [ 91.266813][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.274825][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.282820][ T423] Call Trace: [ 91.286115][ T423] path_umount+0x1ad/0xed0 [ 91.290507][ T423] __x64_sys_umount+0xe8/0x110 [ 91.295271][ T423] do_syscall_64+0x34/0x70 [ 91.299706][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.305777][ T423] RIP: 0033:0x7fd31cb1a557 [ 91.310195][ T423] 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 [ 91.329837][ T423] RSP: 002b:00007ffedb330808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 91.338283][ T423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd31cb1a557 [ 91.346300][ T423] RDX: 00007ffedb3308da RSI: 000000000000000a RDI: 00007ffedb3308d0 [ 91.354311][ T423] RBP: 00007ffedb3308d0 R08: 00000000ffffffff R09: 00007ffedb3306a0 [ 91.362498][ T423] R10: 0000555555d73ba3 R11: 0000000000000246 R12: 00007fd31cb721f8 [ 91.370748][ T423] R13: 00007ffedb331990 R14: 0000555555d73b00 R15: 00007ffedb3319d0 [ 91.378825][ T423] ---[ end trace 3a08363c28c4e38b ]--- [ 91.384468][ T107] !!! css_release css ffff88811714cc00 !!! [ 91.390574][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811714cc00 !!! [ 91.398279][ T74] !!! css_release css ffff88811714f800 !!! [ 91.404316][ T74] !!! css_put is zero set CSS_NO_REF css ffff88811714f800 !!! [ 91.411909][ T844] !!! css_create !!! [ 91.416408][ T844] !!! css_create !!! [ 91.420412][ T844] !!! css_create !!! [ 91.424547][ T844] FAULT_INJECTION: forcing a failure. [ 91.424547][ T844] name failslab, interval 1, probability 0, space 0, times 0 [ 91.437366][ T844] CPU: 0 PID: 844 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 91.449012][ T844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.459143][ T844] Call Trace: [ 91.462645][ T844] dump_stack+0x19c/0x1e2 [ 91.467051][ T844] should_fail+0x3f7/0x5b0 [ 91.471463][ T844] __should_failslab+0xd2/0x130 [ 91.476313][ T844] should_failslab+0x9/0x20 [ 91.481008][ T844] slab_pre_alloc_hook+0x25/0xe0 [ 91.486030][ T844] ? __kernfs_new_node+0x4c/0x6d0 [ 91.491494][ T844] __kmalloc_track_caller+0x70/0x300 [ 91.497040][ T844] ? __kernfs_new_node+0x4c/0x6d0 [ 91.502043][ T844] kstrdup_const+0x55/0x90 [ 91.506517][ T844] __kernfs_new_node+0x4c/0x6d0 [ 91.511373][ T844] ? string+0x29f/0x2b0 [ 91.516162][ T844] ? vsnprintf+0x1a6c/0x1b30 [ 91.520921][ T844] kernfs_new_node+0x97/0x170 [ 91.525713][ T844] __kernfs_create_file+0x4a/0x270 [ 91.531163][ T844] cgroup_addrm_files+0x99e/0xeb0 [ 91.536720][ T844] ? delete_node+0x747/0x7a0 [ 91.541603][ T844] css_populate_dir+0x137/0x370 [ 91.546449][ T844] cgroup_apply_control_enable+0x31e/0xfc0 [ 91.552250][ T844] cgroup_apply_control+0x36/0x710 [ 91.557379][ T844] ? init_wait_entry+0xe0/0xe0 [ 91.562212][ T844] ? cgroup_kn_lock_live+0x1af/0x370 [ 91.567485][ T844] cgroup_subtree_control_write+0xd05/0x12d0 [ 91.573538][ T844] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 91.579530][ T844] cgroup_file_write+0x22f/0x4f0 [ 91.584533][ T844] kernfs_fop_write_iter+0x2cd/0x410 [ 91.589816][ T844] ? cgroup_seqfile_stop+0xc0/0xc0 [ 91.595679][ T844] vfs_write+0xb57/0xe50 [ 91.600109][ T844] ksys_write+0x157/0x260 [ 91.604570][ T844] __x64_sys_write+0x7b/0x90 [ 91.609384][ T844] do_syscall_64+0x34/0x70 [ 91.614572][ T844] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.620964][ T844] RIP: 0033:0x7f6f953440e9 [ 91.626499][ T844] 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 [ 91.648717][ T844] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.657842][ T844] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 91.666059][ T844] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 91.674011][ T844] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 91.682058][ T844] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 91.690531][ T844] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 91.699230][ T844] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 91.706407][ T844] !!! cgroup_apply_control_disable [ 91.711642][ T844] !!! cgroup_apply_control_disable kill_css ffff8881161e4800 [ 91.719440][ T844] !!! cgroup_apply_control_disable kill_css ffff8881161e6800 [ 91.727209][ T844] !!! cgroup_apply_control_disable kill_css ffff8881161e7800 [ 91.743515][ C0] !!! css_killed_ref_fn css ffff8881161e4800 !!! [ 91.750046][ T74] !!! css_release css ffff8881161e4800 !!! [ 91.756280][ C0] !!! css_killed_ref_fn css ffff8881161e6800 !!! [ 91.756298][ C0] !!! css_killed_ref_fn css ffff8881161e7800 !!! [ 91.769238][ T74] !!! css_put is zero set CSS_NO_REF css ffff8881161e4800 !!! [ 91.776950][ T74] !!! css_release css ffff8881161e6800 !!! [ 91.782979][ T74] !!! css_put is zero set CSS_NO_REF css ffff8881161e6800 !!! [ 91.791377][ T74] !!! css_release css ffff8881161e7800 !!! [ 91.797533][ T74] !!! css_put is zero set CSS_NO_REF css ffff8881161e7800 !!! [ 91.805375][ T832] !!! css_create !!! [ 91.809670][ T832] !!! css_create !!! [ 91.813644][ T832] !!! css_create !!! [ 91.817547][ T832] FAULT_INJECTION: forcing a failure. [ 91.817547][ T832] name failslab, interval 1, probability 0, space 0, times 0 [ 91.831571][ T832] CPU: 0 PID: 832 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 91.843202][ T832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.853362][ T832] Call Trace: [ 91.856872][ T832] dump_stack+0x19c/0x1e2 [ 91.861445][ T832] should_fail+0x3f7/0x5b0 [ 91.866036][ T832] __should_failslab+0xd2/0x130 [ 91.870857][ T832] should_failslab+0x9/0x20 [ 91.875333][ T832] slab_pre_alloc_hook+0x25/0xe0 [ 91.880239][ T832] kmem_cache_alloc_trace+0x47/0x2b0 [ 91.885591][ T832] ? percpu_ref_init+0xd0/0x330 [ 91.890847][ T832] percpu_ref_init+0xd0/0x330 [ 91.895884][ T832] ? cgroup_setup_root+0x8a0/0x8a0 [ 91.901194][ T832] cgroup_apply_control_enable+0x49f/0xfc0 [ 91.907093][ T832] cgroup_apply_control+0x36/0x710 [ 91.912369][ T832] ? init_wait_entry+0xe0/0xe0 [ 91.917114][ T832] ? cgroup_kn_lock_live+0x1af/0x370 [ 91.922378][ T832] cgroup_subtree_control_write+0xd05/0x12d0 [ 91.928474][ T832] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 91.934463][ T832] cgroup_file_write+0x22f/0x4f0 [ 91.939396][ T832] kernfs_fop_write_iter+0x2cd/0x410 [ 91.945067][ T832] ? cgroup_seqfile_stop+0xc0/0xc0 [ 91.950174][ T832] vfs_write+0xb57/0xe50 [ 91.954677][ T832] ksys_write+0x157/0x260 [ 91.958985][ T832] __x64_sys_write+0x7b/0x90 [ 91.963642][ T832] do_syscall_64+0x34/0x70 [ 91.968126][ T832] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.974130][ T832] RIP: 0033:0x7fe496c3a0e9 [ 91.980120][ T832] 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 [ 92.001801][ T832] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.010795][ T832] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 92.018935][ T832] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 92.027069][ T832] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 92.035408][ T832] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 92.043478][ T832] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 92.051646][ T832] !!! cgroup_apply_control_disable [ 92.056754][ T832] !!! cgroup_apply_control_disable kill_css ffff8881160d5000 [ 92.064340][ T832] !!! cgroup_apply_control_disable kill_css ffff8881160d7c00 [ 92.111156][ C0] !!! css_killed_ref_fn css ffff8881160d5000 !!! [ 92.117981][ C0] !!! css_killed_ref_fn css ffff8881160d7c00 !!! [ 92.124703][ T107] !!! css_release css ffff8881160d5000 !!! [ 92.131881][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881160d5000 !!! [ 92.139544][ T107] !!! css_release css ffff8881160d7c00 !!! [ 92.145547][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881160d7c00 !!! [ 92.153607][ T841] !!! css_create !!! [ 92.157706][ T841] !!! css_create !!! [ 92.161662][ T841] !!! css_create !!! [ 92.165634][ T841] FAULT_INJECTION: forcing a failure. [ 92.165634][ T841] name failslab, interval 1, probability 0, space 0, times 0 [ 92.178716][ T841] CPU: 0 PID: 841 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 92.193017][ T841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.203414][ T841] Call Trace: [ 92.206683][ T841] dump_stack+0x19c/0x1e2 [ 92.211171][ T841] should_fail+0x3f7/0x5b0 [ 92.215670][ T841] __should_failslab+0xd2/0x130 [ 92.220829][ T841] should_failslab+0x9/0x20 [ 92.225487][ T841] slab_pre_alloc_hook+0x25/0xe0 [ 92.230422][ T841] kmem_cache_alloc_trace+0x47/0x2b0 [ 92.236391][ T841] ? percpu_ref_init+0xd0/0x330 [ 92.242020][ T841] percpu_ref_init+0xd0/0x330 [ 92.246965][ T841] ? cgroup_setup_root+0x8a0/0x8a0 [ 92.252649][ T841] cgroup_apply_control_enable+0x49f/0xfc0 [ 92.258449][ T841] cgroup_apply_control+0x36/0x710 [ 92.263688][ T841] ? init_wait_entry+0xe0/0xe0 [ 92.268448][ T841] ? cgroup_kn_lock_live+0x1af/0x370 [ 92.273767][ T841] cgroup_subtree_control_write+0xd05/0x12d0 [ 92.279935][ T841] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 92.285912][ T841] cgroup_file_write+0x22f/0x4f0 [ 92.290846][ T841] kernfs_fop_write_iter+0x2cd/0x410 [ 92.296140][ T841] ? cgroup_seqfile_stop+0xc0/0xc0 [ 92.301255][ T841] vfs_write+0xb57/0xe50 [ 92.305507][ T841] ksys_write+0x157/0x260 [ 92.309976][ T841] __x64_sys_write+0x7b/0x90 [ 92.314565][ T841] do_syscall_64+0x34/0x70 [ 92.318967][ T841] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.324841][ T841] RIP: 0033:0x7fce14ce20e9 [ 92.329234][ T841] 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 [ 92.348902][ T841] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.357309][ T841] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 92.365262][ T841] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 92.373210][ T841] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 92.381167][ T841] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 92.389144][ T841] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 92.397302][ T841] !!! cgroup_apply_control_disable [ 92.402501][ T841] !!! cgroup_apply_control_disable kill_css ffff8881186f5400 [ 92.410075][ T841] !!! cgroup_apply_control_disable kill_css ffff8881160d6400 [ 92.423526][ C0] !!! css_killed_ref_fn css ffff8881186f5400 !!! [ 92.430018][ T74] !!! css_release css ffff8881186f5400 !!! [ 92.431171][ C1] !!! css_killed_ref_fn css ffff8881160d6400 !!! [ 92.436306][ T74] !!! css_put is zero set CSS_NO_REF css ffff8881186f5400 !!! [ 92.449867][ T445] !!! css_release css ffff8881160d6400 !!! [ 92.456164][ T445] !!! css_put is zero set CSS_NO_REF css ffff8881160d6400 !!! [ 92.466524][ T872] !!! css_create !!! [ 92.470597][ T872] !!! css_create !!! [ 92.474702][ T872] !!! css_create !!! [ 92.478619][ T872] FAULT_INJECTION: forcing a failure. [ 92.478619][ T872] name failslab, interval 1, probability 0, space 0, times 0 [ 92.491455][ T872] CPU: 1 PID: 872 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 92.502984][ T872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.513445][ T872] Call Trace: [ 92.516906][ T872] dump_stack+0x19c/0x1e2 [ 92.521360][ T872] should_fail+0x3f7/0x5b0 [ 92.525966][ T872] __should_failslab+0xd2/0x130 [ 92.530883][ T872] should_failslab+0x9/0x20 [ 92.535363][ T872] slab_pre_alloc_hook+0x25/0xe0 [ 92.540274][ T872] kmem_cache_alloc_trace+0x47/0x2b0 [ 92.545534][ T872] ? percpu_ref_init+0xd0/0x330 [ 92.550364][ T872] percpu_ref_init+0xd0/0x330 [ 92.555013][ T872] ? cgroup_setup_root+0x8a0/0x8a0 [ 92.560095][ T872] cgroup_apply_control_enable+0x49f/0xfc0 [ 92.565873][ T872] cgroup_apply_control+0x36/0x710 [ 92.570953][ T872] ? init_wait_entry+0xe0/0xe0 [ 92.575688][ T872] ? cgroup_kn_lock_live+0x1af/0x370 [ 92.580961][ T872] cgroup_subtree_control_write+0xd05/0x12d0 [ 92.587003][ T872] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 92.592971][ T872] cgroup_file_write+0x22f/0x4f0 [ 92.597901][ T872] kernfs_fop_write_iter+0x2cd/0x410 [ 92.603188][ T872] ? cgroup_seqfile_stop+0xc0/0xc0 [ 92.608513][ T872] vfs_write+0xb57/0xe50 [ 92.612978][ T872] ksys_write+0x157/0x260 [ 92.617401][ T872] __x64_sys_write+0x7b/0x90 [ 92.622090][ T872] do_syscall_64+0x34/0x70 [ 92.626506][ T872] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.632485][ T872] RIP: 0033:0x7fce14ce20e9 [ 92.636918][ T872] 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 [ 92.656662][ T872] RSP: 002b:00007fce14c58168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.665055][ T872] RAX: ffffffffffffffda RBX: 00007fce14df4f60 RCX: 00007fce14ce20e9 [ 92.673015][ T872] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 92.681101][ T872] RBP: 00007fce14c581d0 R08: 0000000000000000 R09: 0000000000000000 [ 92.689073][ T872] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 92.697027][ T872] R13: 00007ffd972dcf5f R14: 00007fce14c58300 R15: 0000000000022000 [ 92.705258][ T872] !!! cgroup_apply_control_disable [ 92.710429][ T872] !!! cgroup_apply_control_disable kill_css ffff8881186f4400 [ 92.717966][ T872] !!! cgroup_apply_control_disable kill_css ffff8881186f7800 [ 92.731877][ C0] !!! css_killed_ref_fn css ffff8881186f4400 !!! [ 92.738415][ T107] !!! css_release css ffff8881186f4400 !!! [ 92.744504][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881186f4400 !!! [ 92.752155][ C1] !!! css_killed_ref_fn css ffff8881186f7800 !!! [ 92.758579][ T445] !!! css_release css ffff8881186f7800 !!! [ 92.764416][ T445] !!! css_put is zero set CSS_NO_REF css ffff8881186f7800 !!! [ 92.772167][ T852] !!! css_create !!! [ 92.776269][ T852] !!! css_create !!! [ 92.780259][ T852] !!! css_create !!! [ 92.784339][ T852] FAULT_INJECTION: forcing a failure. [ 92.784339][ T852] name failslab, interval 1, probability 0, space 0, times 0 [ 92.797035][ T852] CPU: 1 PID: 852 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 92.808665][ T852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.818708][ T852] Call Trace: [ 92.821983][ T852] dump_stack+0x19c/0x1e2 [ 92.826287][ T852] should_fail+0x3f7/0x5b0 [ 92.830675][ T852] __should_failslab+0xd2/0x130 [ 92.835768][ T852] should_failslab+0x9/0x20 [ 92.840245][ T852] slab_pre_alloc_hook+0x25/0xe0 [ 92.845160][ T852] kmem_cache_alloc_trace+0x47/0x2b0 [ 92.850539][ T852] ? percpu_ref_init+0xd0/0x330 [ 92.855375][ T852] percpu_ref_init+0xd0/0x330 [ 92.860038][ T852] ? cgroup_setup_root+0x8a0/0x8a0 [ 92.865122][ T852] cgroup_apply_control_enable+0x49f/0xfc0 [ 92.870900][ T852] cgroup_apply_control+0x36/0x710 [ 92.875980][ T852] ? init_wait_entry+0xe0/0xe0 [ 92.880715][ T852] ? cgroup_kn_lock_live+0x1af/0x370 [ 92.885982][ T852] cgroup_subtree_control_write+0xd05/0x12d0 [ 92.891936][ T852] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 92.897901][ T852] cgroup_file_write+0x22f/0x4f0 [ 92.902812][ T852] kernfs_fop_write_iter+0x2cd/0x410 [ 92.908086][ T852] ? cgroup_seqfile_stop+0xc0/0xc0 [ 92.913173][ T852] vfs_write+0xb57/0xe50 [ 92.917481][ T852] ksys_write+0x157/0x260 [ 92.921792][ T852] __x64_sys_write+0x7b/0x90 [ 92.926443][ T852] do_syscall_64+0x34/0x70 [ 92.930838][ T852] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.936713][ T852] RIP: 0033:0x7f9ada61d0e9 [ 92.941129][ T852] 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 [ 92.960707][ T852] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.969107][ T852] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 92.977168][ T852] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 92.985143][ T852] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 92.993212][ T852] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 93.001178][ T852] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 93.009919][ T852] !!! cgroup_apply_control_disable [ 93.015151][ T852] !!! cgroup_apply_control_disable kill_css ffff8881137a2c00 [ 93.023398][ T852] !!! cgroup_apply_control_disable kill_css ffff8881137a1000 [ 93.051257][ C1] !!! css_killed_ref_fn css ffff8881137a2c00 !!! [ 93.057897][ C1] !!! css_killed_ref_fn css ffff8881137a1000 !!! [ 93.064836][ T445] !!! css_release css ffff8881137a2c00 !!! [ 93.070836][ T445] !!! css_put is zero set CSS_NO_REF css ffff8881137a2c00 !!! [ 93.079255][ T445] !!! css_release css ffff8881137a1000 !!! [ 93.086405][ T445] !!! css_put is zero set CSS_NO_REF css ffff8881137a1000 !!! [ 93.094661][ T869] !!! css_create !!! [ 93.098873][ T869] !!! css_create !!! [ 93.102918][ T869] !!! css_create !!! [ 93.106816][ T869] FAULT_INJECTION: forcing a failure. [ 93.106816][ T869] name failslab, interval 1, probability 0, space 0, times 0 [ 93.119633][ T869] CPU: 1 PID: 869 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 93.131749][ T869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.142027][ T869] Call Trace: [ 93.146146][ T869] dump_stack+0x19c/0x1e2 [ 93.150924][ T869] should_fail+0x3f7/0x5b0 [ 93.155349][ T869] __should_failslab+0xd2/0x130 [ 93.160275][ T869] should_failslab+0x9/0x20 [ 93.165623][ T869] slab_pre_alloc_hook+0x25/0xe0 [ 93.170729][ T869] kmem_cache_alloc_trace+0x47/0x2b0 [ 93.176076][ T869] ? percpu_ref_init+0xd0/0x330 [ 93.181564][ T869] percpu_ref_init+0xd0/0x330 [ 93.186593][ T869] ? cgroup_setup_root+0x8a0/0x8a0 [ 93.192670][ T869] cgroup_apply_control_enable+0x49f/0xfc0 [ 93.199029][ T869] cgroup_apply_control+0x36/0x710 [ 93.204413][ T869] ? init_wait_entry+0xe0/0xe0 [ 93.210241][ T869] ? cgroup_kn_lock_live+0x1af/0x370 [ 93.215777][ T869] cgroup_subtree_control_write+0xd05/0x12d0 [ 93.221837][ T869] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 93.228086][ T869] cgroup_file_write+0x22f/0x4f0 [ 93.233094][ T869] kernfs_fop_write_iter+0x2cd/0x410 [ 93.238454][ T869] ? cgroup_seqfile_stop+0xc0/0xc0 [ 93.243901][ T869] vfs_write+0xb57/0xe50 [ 93.248218][ T869] ksys_write+0x157/0x260 [ 93.253156][ T869] __x64_sys_write+0x7b/0x90 [ 93.257823][ T869] do_syscall_64+0x34/0x70 [ 93.262221][ T869] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.268695][ T869] RIP: 0033:0x7fe496c3a0e9 [ 93.273223][ T869] 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 [ 93.293822][ T869] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.302484][ T869] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 93.310527][ T869] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 93.318744][ T869] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 93.326701][ T869] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 93.334662][ T869] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 93.344265][ T869] !!! cgroup_apply_control_disable [ 93.349886][ T869] !!! cgroup_apply_control_disable kill_css ffff8881185e2c00 [ 93.357422][ T869] !!! cgroup_apply_control_disable kill_css ffff8881185e1000 [ 93.381188][ C1] !!! css_killed_ref_fn css ffff8881185e2c00 !!! [ 93.387984][ T19] !!! css_release css ffff8881185e2c00 !!! [ 93.393837][ C1] !!! css_killed_ref_fn css ffff8881185e1000 !!! [ 93.400295][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881185e2c00 !!! [ 93.407780][ T19] !!! css_release css ffff8881185e1000 !!! [ 93.413620][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881185e1000 !!! [ 93.421365][ T875] !!! css_create !!! [ 93.425598][ T875] !!! css_create !!! [ 93.429599][ T875] !!! css_create !!! [ 93.433608][ T875] FAULT_INJECTION: forcing a failure. [ 93.433608][ T875] name failslab, interval 1, probability 0, space 0, times 0 [ 93.446246][ T875] CPU: 1 PID: 875 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 93.457844][ T875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.467874][ T875] Call Trace: [ 93.471141][ T875] dump_stack+0x19c/0x1e2 [ 93.475444][ T875] should_fail+0x3f7/0x5b0 [ 93.479844][ T875] __should_failslab+0xd2/0x130 [ 93.484668][ T875] should_failslab+0x9/0x20 [ 93.489150][ T875] slab_pre_alloc_hook+0x25/0xe0 [ 93.494077][ T875] kmem_cache_alloc_trace+0x47/0x2b0 [ 93.499364][ T875] ? percpu_ref_init+0xd0/0x330 [ 93.504194][ T875] percpu_ref_init+0xd0/0x330 [ 93.508953][ T875] ? cgroup_setup_root+0x8a0/0x8a0 [ 93.514060][ T875] cgroup_apply_control_enable+0x49f/0xfc0 [ 93.519856][ T875] cgroup_apply_control+0x36/0x710 [ 93.524963][ T875] ? init_wait_entry+0xe0/0xe0 [ 93.529722][ T875] ? cgroup_kn_lock_live+0x1af/0x370 [ 93.534993][ T875] cgroup_subtree_control_write+0xd05/0x12d0 [ 93.540948][ T875] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 93.546998][ T875] cgroup_file_write+0x22f/0x4f0 [ 93.551911][ T875] kernfs_fop_write_iter+0x2cd/0x410 [ 93.557432][ T875] ? cgroup_seqfile_stop+0xc0/0xc0 [ 93.562520][ T875] vfs_write+0xb57/0xe50 [ 93.566744][ T875] ksys_write+0x157/0x260 [ 93.571069][ T875] __x64_sys_write+0x7b/0x90 [ 93.575683][ T875] do_syscall_64+0x34/0x70 [ 93.580343][ T875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.586227][ T875] RIP: 0033:0x7fce14ce20e9 [ 93.590654][ T875] 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 [ 93.610415][ T875] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.618807][ T875] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 2022/05/31 18:33:36 executed programs: 146 [ 93.626968][ T875] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 93.635121][ T875] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 93.643083][ T875] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 93.651034][ T875] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 93.659308][ T875] !!! cgroup_apply_control_disable [ 93.664438][ T875] !!! cgroup_apply_control_disable kill_css ffff88811914d000 [ 93.671858][ T875] !!! cgroup_apply_control_disable kill_css ffff88811914fc00 [ 93.701133][ C1] !!! css_killed_ref_fn css ffff88811914d000 !!! [ 93.707532][ C1] !!! css_killed_ref_fn css ffff88811914fc00 !!! [ 93.714092][ T19] !!! css_release css ffff88811914d000 !!! [ 93.720077][ T19] !!! css_put is zero set CSS_NO_REF css ffff88811914d000 !!! [ 93.728178][ T19] !!! css_release css ffff88811914fc00 !!! [ 93.734634][ T19] !!! css_put is zero set CSS_NO_REF css ffff88811914fc00 !!! [ 93.742495][ T864] !!! css_create !!! [ 93.746929][ T864] !!! css_create !!! [ 93.752229][ T864] !!! css_create !!! [ 93.756188][ T864] FAULT_INJECTION: forcing a failure. [ 93.756188][ T864] name failslab, interval 1, probability 0, space 0, times 0 [ 93.769331][ T864] CPU: 0 PID: 864 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 93.781757][ T864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.792160][ T864] Call Trace: [ 93.795570][ T864] dump_stack+0x19c/0x1e2 [ 93.800012][ T864] should_fail+0x3f7/0x5b0 [ 93.805613][ T864] __should_failslab+0xd2/0x130 [ 93.810463][ T864] should_failslab+0x9/0x20 [ 93.814988][ T864] slab_pre_alloc_hook+0x25/0xe0 [ 93.820000][ T864] kmem_cache_alloc_trace+0x47/0x2b0 [ 93.825356][ T864] ? percpu_ref_init+0xd0/0x330 [ 93.830560][ T864] percpu_ref_init+0xd0/0x330 [ 93.835232][ T864] ? cgroup_setup_root+0x8a0/0x8a0 [ 93.840450][ T864] cgroup_apply_control_enable+0x49f/0xfc0 [ 93.846240][ T864] cgroup_apply_control+0x36/0x710 [ 93.851411][ T864] ? init_wait_entry+0xe0/0xe0 [ 93.856151][ T864] ? cgroup_kn_lock_live+0x1af/0x370 [ 93.861461][ T864] cgroup_subtree_control_write+0xd05/0x12d0 [ 93.867672][ T864] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 93.873717][ T864] cgroup_file_write+0x22f/0x4f0 [ 93.878628][ T864] kernfs_fop_write_iter+0x2cd/0x410 [ 93.883921][ T864] ? cgroup_seqfile_stop+0xc0/0xc0 [ 93.889991][ T864] vfs_write+0xb57/0xe50 [ 93.894427][ T864] ksys_write+0x157/0x260 [ 93.899461][ T864] __x64_sys_write+0x7b/0x90 [ 93.904728][ T864] do_syscall_64+0x34/0x70 [ 93.910021][ T864] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.917453][ T864] RIP: 0033:0x7f6f953440e9 [ 93.922469][ T864] 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 [ 93.942060][ T864] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.950585][ T864] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 93.958632][ T864] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 93.966596][ T864] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 93.974567][ T864] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 93.982529][ T864] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 93.991293][ T864] !!! cgroup_apply_control_disable [ 93.996429][ T864] !!! cgroup_apply_control_disable kill_css ffff888119290800 [ 94.004131][ T864] !!! cgroup_apply_control_disable kill_css ffff888119292800 [ 94.051122][ C1] !!! css_killed_ref_fn css ffff888119290800 !!! [ 94.057601][ C1] !!! css_killed_ref_fn css ffff888119292800 !!! [ 94.063986][ T19] !!! css_release css ffff888119290800 !!! [ 94.069786][ T19] !!! css_put is zero set CSS_NO_REF css ffff888119290800 !!! [ 94.077402][ T19] !!! css_release css ffff888119292800 !!! [ 94.083331][ T19] !!! css_put is zero set CSS_NO_REF css ffff888119292800 !!! [ 94.090883][ T870] !!! css_create !!! [ 94.094964][ T870] !!! css_create !!! [ 94.098890][ T870] !!! css_create !!! [ 94.102845][ T870] FAULT_INJECTION: forcing a failure. [ 94.102845][ T870] name failslab, interval 1, probability 0, space 0, times 0 [ 94.115570][ T870] CPU: 0 PID: 870 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 94.127264][ T870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.137500][ T870] Call Trace: [ 94.140778][ T870] dump_stack+0x19c/0x1e2 [ 94.145108][ T870] should_fail+0x3f7/0x5b0 [ 94.149518][ T870] __should_failslab+0xd2/0x130 [ 94.154343][ T870] should_failslab+0x9/0x20 [ 94.158911][ T870] slab_pre_alloc_hook+0x25/0xe0 [ 94.163823][ T870] ? __kernfs_new_node+0x4c/0x6d0 [ 94.168835][ T870] __kmalloc_track_caller+0x70/0x300 [ 94.174194][ T870] ? __kernfs_new_node+0x4c/0x6d0 [ 94.179294][ T870] kstrdup_const+0x55/0x90 [ 94.183711][ T870] __kernfs_new_node+0x4c/0x6d0 [ 94.188560][ T870] ? string+0x29f/0x2b0 [ 94.192958][ T870] ? vsnprintf+0x1a6c/0x1b30 [ 94.197542][ T870] kernfs_new_node+0x97/0x170 [ 94.202202][ T870] __kernfs_create_file+0x4a/0x270 [ 94.207308][ T870] cgroup_addrm_files+0x99e/0xeb0 [ 94.212494][ T870] ? delete_node+0x747/0x7a0 [ 94.217100][ T870] css_populate_dir+0x137/0x370 [ 94.221925][ T870] cgroup_apply_control_enable+0x31e/0xfc0 [ 94.227903][ T870] cgroup_apply_control+0x36/0x710 [ 94.233019][ T870] ? init_wait_entry+0xe0/0xe0 [ 94.237771][ T870] ? cgroup_kn_lock_live+0x1af/0x370 [ 94.243185][ T870] cgroup_subtree_control_write+0xd05/0x12d0 [ 94.249400][ T870] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 94.255361][ T870] cgroup_file_write+0x22f/0x4f0 [ 94.260269][ T870] kernfs_fop_write_iter+0x2cd/0x410 [ 94.265539][ T870] ? cgroup_seqfile_stop+0xc0/0xc0 [ 94.270618][ T870] vfs_write+0xb57/0xe50 [ 94.275101][ T870] ksys_write+0x157/0x260 [ 94.279637][ T870] __x64_sys_write+0x7b/0x90 [ 94.284222][ T870] do_syscall_64+0x34/0x70 [ 94.288828][ T870] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.294698][ T870] RIP: 0033:0x7fd31cb190e9 [ 94.299175][ T870] 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 [ 94.318851][ T870] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.327260][ T870] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 94.335389][ T870] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 94.343685][ T870] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 94.351650][ T870] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 94.359596][ T870] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 94.368127][ T870] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 94.375621][ T870] !!! cgroup_apply_control_disable [ 94.380754][ T870] !!! cgroup_apply_control_disable kill_css ffff888119380c00 [ 94.388441][ T870] !!! cgroup_apply_control_disable kill_css ffff888119381c00 [ 94.396159][ T870] !!! cgroup_apply_control_disable kill_css ffff8881191c3000 [ 94.421229][ C1] !!! css_killed_ref_fn css ffff888119380c00 !!! [ 94.428029][ T19] !!! css_release css ffff888119380c00 !!! [ 94.431145][ C0] !!! css_killed_ref_fn css ffff888119381c00 !!! [ 94.434093][ T19] !!! css_put is zero set CSS_NO_REF css ffff888119380c00 !!! [ 94.440183][ C0] !!! css_killed_ref_fn css ffff8881191c3000 !!! [ 94.454056][ T74] !!! css_release css ffff888119381c00 !!! [ 94.459878][ T74] !!! css_put is zero set CSS_NO_REF css ffff888119381c00 !!! [ 94.467938][ T107] !!! css_release css ffff8881191c3000 !!! [ 94.473871][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881191c3000 !!! [ 94.481508][ T878] !!! css_create !!! [ 94.485446][ T878] !!! css_create !!! [ 94.489347][ T878] !!! css_create !!! [ 94.493348][ T878] FAULT_INJECTION: forcing a failure. [ 94.493348][ T878] name failslab, interval 1, probability 0, space 0, times 0 [ 94.506024][ T878] CPU: 0 PID: 878 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 94.517642][ T878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.528889][ T878] Call Trace: [ 94.532159][ T878] dump_stack+0x19c/0x1e2 [ 94.536483][ T878] should_fail+0x3f7/0x5b0 [ 94.540889][ T878] __should_failslab+0xd2/0x130 [ 94.545724][ T878] should_failslab+0x9/0x20 [ 94.550215][ T878] slab_pre_alloc_hook+0x25/0xe0 [ 94.555135][ T878] ? __kernfs_new_node+0x4c/0x6d0 [ 94.560132][ T878] __kmalloc_track_caller+0x70/0x300 [ 94.565573][ T878] ? __kernfs_new_node+0x4c/0x6d0 [ 94.570584][ T878] kstrdup_const+0x55/0x90 [ 94.574983][ T878] __kernfs_new_node+0x4c/0x6d0 [ 94.579804][ T878] ? string+0x29f/0x2b0 [ 94.583934][ T878] ? vsnprintf+0x1a6c/0x1b30 [ 94.588500][ T878] kernfs_new_node+0x97/0x170 [ 94.593149][ T878] __kernfs_create_file+0x4a/0x270 [ 94.598234][ T878] cgroup_addrm_files+0x99e/0xeb0 [ 94.603240][ T878] ? delete_node+0x747/0x7a0 [ 94.607846][ T878] css_populate_dir+0x137/0x370 [ 94.612669][ T878] cgroup_apply_control_enable+0x31e/0xfc0 [ 94.618455][ T878] cgroup_apply_control+0x36/0x710 [ 94.623547][ T878] ? init_wait_entry+0xe0/0xe0 [ 94.628289][ T878] ? cgroup_kn_lock_live+0x1af/0x370 [ 94.633569][ T878] cgroup_subtree_control_write+0xd05/0x12d0 [ 94.639535][ T878] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 94.645490][ T878] cgroup_file_write+0x22f/0x4f0 [ 94.650417][ T878] kernfs_fop_write_iter+0x2cd/0x410 [ 94.655817][ T878] ? cgroup_seqfile_stop+0xc0/0xc0 [ 94.660994][ T878] vfs_write+0xb57/0xe50 [ 94.665220][ T878] ksys_write+0x157/0x260 [ 94.669529][ T878] __x64_sys_write+0x7b/0x90 [ 94.674095][ T878] do_syscall_64+0x34/0x70 [ 94.678504][ T878] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.684376][ T878] RIP: 0033:0x7f9ada61d0e9 [ 94.688768][ T878] 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 [ 94.708352][ T878] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.716837][ T878] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 94.724815][ T878] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 94.732912][ T878] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 94.741016][ T878] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 94.749070][ T878] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 94.757491][ T878] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 94.764582][ T878] !!! cgroup_apply_control_disable [ 94.769742][ T878] !!! cgroup_apply_control_disable kill_css ffff8881196c2c00 [ 94.777306][ T878] !!! cgroup_apply_control_disable kill_css ffff8881196c3400 [ 94.784963][ T878] !!! cgroup_apply_control_disable kill_css ffff888119649800 [ 94.794335][ T418] ------------[ cut here ]------------ [ 94.799833][ T418] WARNING: CPU: 0 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 94.809310][ C0] !!! css_killed_ref_fn css ffff8881196c3400 !!! [ 94.811120][ C1] !!! css_killed_ref_fn css ffff8881196c2c00 !!! [ 94.815827][ T418] Modules linked in: [ 94.822264][ T19] !!! css_release css ffff8881196c2c00 !!! [ 94.826199][ T418] CPU: 0 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 94.832267][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881196c2c00 !!! [ 94.843501][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.843516][ T418] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 94.843530][ T418] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 94.886262][ T418] RSP: 0018:ffffc90000ce7dd0 EFLAGS: 00010293 [ 94.892333][ T418] RAX: ffffffff81af040c RBX: ffff8881165cb2e0 RCX: ffff888108262dc0 [ 94.900297][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 94.908270][ T418] RBP: ffffc90000ce7e40 R08: ffffffff81af0137 R09: fffff5200019cfb2 [ 94.916249][ T418] R10: fffff5200019cfb2 R11: 1ffff9200019cfb1 R12: dffffc0000000000 [ 94.924218][ T418] R13: ffff8881165cb200 R14: 00000000ffffffff R15: 0000000000000000 [ 94.932197][ T418] FS: 000055555645f400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 94.942958][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.949535][ T418] CR2: 0000555556468b38 CR3: 00000001093c0000 CR4: 00000000003506b0 [ 94.957593][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.965570][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.973564][ T418] Call Trace: [ 94.976956][ T418] path_umount+0x1ad/0xed0 [ 94.981545][ T418] __x64_sys_umount+0xe8/0x110 [ 94.986301][ T418] do_syscall_64+0x34/0x70 [ 94.990803][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.996992][ T418] RIP: 0033:0x7f9ada61e557 [ 95.002046][ T418] 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 [ 95.022585][ T418] RSP: 002b:00007ffe7bfba128 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 95.031137][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ada61e557 [ 95.039825][ T418] RDX: 00007ffe7bfba1fa RSI: 000000000000000a RDI: 00007ffe7bfba1f0 [ 95.047827][ T418] RBP: 00007ffe7bfba1f0 R08: 00000000ffffffff R09: 00007ffe7bfb9fc0 [ 95.056051][ T418] R10: 0000555556460ba3 R11: 0000000000000246 R12: 00007f9ada6761f8 [ 95.064420][ T418] R13: 00007ffe7bfbb2b0 R14: 0000555556460b00 R15: 00007ffe7bfbb2f0 [ 95.072869][ T418] ---[ end trace 3a08363c28c4e38c ]--- [ 95.078560][ T107] !!! css_release css ffff8881196c3400 !!! [ 95.078573][ T418] ------------[ cut here ]------------ [ 95.085469][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881196c3400 !!! [ 95.091340][ T418] WARNING: CPU: 1 PID: 418 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 95.099082][ C0] !!! css_killed_ref_fn css ffff888119649800 !!! [ 95.107545][ T418] Modules linked in: [ 95.113714][ T881] !!! css_create !!! [ 95.117607][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 95.122080][ T881] !!! css_create !!! [ 95.133455][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.137591][ T881] !!! css_create !!! [ 95.147707][ T418] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 95.151981][ T881] FAULT_INJECTION: forcing a failure. [ 95.151981][ T881] name failslab, interval 1, probability 0, space 0, times 0 [ 95.156872][ T418] Code: c9 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 6e 01 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 5b 01 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 ea 1f 86 80 e1 07 80 c1 03 38 c1 [ 95.169704][ T881] CPU: 0 PID: 881 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 95.189627][ T418] RSP: 0018:ffffc90000ce7e30 EFLAGS: 00010293 [ 95.201053][ T881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.201057][ T881] Call Trace: [ 95.201071][ T881] dump_stack+0x19c/0x1e2 [ 95.201082][ T881] should_fail+0x3f7/0x5b0 [ 95.201092][ T881] __should_failslab+0xd2/0x130 [ 95.201100][ T881] should_failslab+0x9/0x20 [ 95.201107][ T881] slab_pre_alloc_hook+0x25/0xe0 [ 95.201122][ T881] ? __kernfs_new_node+0x4c/0x6d0 [ 95.207201][ T418] [ 95.217388][ T881] __kmalloc_track_caller+0x70/0x300 [ 95.217404][ T881] ? __kernfs_new_node+0x4c/0x6d0 [ 95.217412][ T881] kstrdup_const+0x55/0x90 [ 95.217420][ T881] __kernfs_new_node+0x4c/0x6d0 [ 95.217428][ T881] ? string+0x29f/0x2b0 [ 95.217435][ T881] ? vsnprintf+0x1a6c/0x1b30 [ 95.217445][ T881] kernfs_new_node+0x97/0x170 [ 95.217453][ T881] __kernfs_create_file+0x4a/0x270 [ 95.217464][ T881] cgroup_addrm_files+0x99e/0xeb0 [ 95.217475][ T881] ? delete_node+0x747/0x7a0 [ 95.217485][ T881] css_populate_dir+0x137/0x370 [ 95.217504][ T881] cgroup_apply_control_enable+0x31e/0xfc0 [ 95.220841][ T418] RAX: ffffffff81b00ed5 RBX: ffffe8ffffd4300c RCX: ffff888108262dc0 [ 95.225097][ T881] cgroup_apply_control+0x36/0x710 [ 95.225108][ T881] ? init_wait_entry+0xe0/0xe0 [ 95.225116][ T881] ? cgroup_kn_lock_live+0x1af/0x370 [ 95.225127][ T881] cgroup_subtree_control_write+0xd05/0x12d0 [ 95.225138][ T881] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 95.225146][ T881] cgroup_file_write+0x22f/0x4f0 [ 95.225164][ T881] kernfs_fop_write_iter+0x2cd/0x410 [ 95.229785][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 95.234547][ T881] ? cgroup_seqfile_stop+0xc0/0xc0 [ 95.234560][ T881] vfs_write+0xb57/0xe50 [ 95.234571][ T881] ksys_write+0x157/0x260 [ 95.234579][ T881] __x64_sys_write+0x7b/0x90 [ 95.234588][ T881] do_syscall_64+0x34/0x70 [ 95.234598][ T881] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.234617][ T881] RIP: 0033:0x7fe496c3a0e9 [ 95.239184][ T418] RBP: ffffc90000ce7e80 R08: ffffffff81b00bb3 R09: fffff5200019cfcd [ 95.244033][ T881] 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 [ 95.244040][ T881] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.244054][ T881] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 95.244060][ T881] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 95.244067][ T881] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 95.244072][ T881] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 95.244078][ T881] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 95.245907][ T881] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 95.249201][ T418] R10: fffff5200019cfcd R11: 1ffff9200019cfcc R12: ffff8881165cb248 [ 95.251692][ T881] !!! cgroup_apply_control_disable [ 95.256815][ T418] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 95.262078][ T881] !!! cgroup_apply_control_disable kill_css ffff8881193e8800 [ 95.266365][ T418] FS: 000055555645f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 95.271472][ T881] !!! cgroup_apply_control_disable kill_css ffff8881193eac00 [ 95.275418][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.279989][ T881] !!! cgroup_apply_control_disable kill_css ffff88811b44d400 [ 95.284653][ T418] CR2: 00007fd31ca6dff8 CR3: 00000001093c0000 CR4: 00000000003506a0 [ 95.284680][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 95.311113][ C0] !!! css_killed_ref_fn css ffff8881193e8800 !!! [ 95.318517][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 95.323631][ C0] !!! css_killed_ref_fn css ffff8881193eac00 !!! [ 95.323679][ T5] !!! css_release css ffff8881193e8800 !!! [ 95.328411][ T418] Call Trace: [ 95.336083][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881193e8800 !!! [ 95.343000][ T418] __cleanup_mnt+0x19/0x20 [ 95.345670][ C0] !!! css_killed_ref_fn css ffff88811b44d400 !!! [ 95.350727][ T418] task_work_run+0x147/0x1b0 [ 95.356502][ T5] !!! css_release css ffff8881193eac00 !!! [ 95.364446][ T418] exit_to_user_mode_loop+0xc8/0xe0 [ 95.369396][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881193eac00 !!! [ 95.373520][ T418] syscall_exit_to_user_mode+0x77/0xa0 [ 95.377996][ T5] !!! css_release css ffff88811b44d400 !!! [ 95.382612][ T418] do_syscall_64+0x40/0x70 [ 95.387207][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811b44d400 !!! [ 95.392910][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.397569][ T858] !!! css_create !!! [ 95.405315][ T418] RIP: 0033:0x7f9ada61e557 [ 95.425242][ T858] !!! css_create !!! [ 95.433396][ T418] 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 [ 95.441498][ T858] !!! css_create !!! [ 95.449344][ T418] RSP: 002b:00007ffe7bfba128 EFLAGS: 00000246 [ 95.457569][ T858] FAULT_INJECTION: forcing a failure. [ 95.457569][ T858] name failslab, interval 1, probability 0, space 0, times 0 [ 95.466372][ T418] ORIG_RAX: 00000000000000a6 [ 95.473690][ T858] CPU: 0 PID: 858 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 95.480464][ T418] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9ada61e557 [ 95.488353][ T858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.488357][ T858] Call Trace: [ 95.488370][ T858] dump_stack+0x19c/0x1e2 [ 95.488382][ T858] should_fail+0x3f7/0x5b0 [ 95.488391][ T858] __should_failslab+0xd2/0x130 [ 95.488405][ T858] should_failslab+0x9/0x20 [ 95.493528][ T418] RDX: 00007ffe7bfba1fa RSI: 000000000000000a RDI: 00007ffe7bfba1f0 [ 95.501549][ T858] slab_pre_alloc_hook+0x25/0xe0 [ 95.501560][ T858] kmem_cache_alloc_trace+0x47/0x2b0 [ 95.501569][ T858] ? percpu_ref_init+0xd0/0x330 [ 95.501578][ T858] percpu_ref_init+0xd0/0x330 [ 95.501586][ T858] ? cgroup_setup_root+0x8a0/0x8a0 [ 95.501596][ T858] cgroup_apply_control_enable+0x49f/0xfc0 [ 95.501604][ T858] cgroup_apply_control+0x36/0x710 [ 95.501623][ T858] ? init_wait_entry+0xe0/0xe0 [ 95.509038][ T418] RBP: 00007ffe7bfba1f0 R08: 00000000ffffffff R09: 00007ffe7bfb9fc0 [ 95.517973][ T858] ? cgroup_kn_lock_live+0x1af/0x370 [ 95.517984][ T858] cgroup_subtree_control_write+0xd05/0x12d0 [ 95.517995][ T858] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 95.518009][ T858] cgroup_file_write+0x22f/0x4f0 [ 95.525471][ T418] R10: 0000555556460ba3 R11: 0000000000000246 R12: 00007f9ada6761f8 [ 95.531952][ T858] kernfs_fop_write_iter+0x2cd/0x410 [ 95.531966][ T858] ? cgroup_seqfile_stop+0xc0/0xc0 [ 95.531975][ T858] vfs_write+0xb57/0xe50 [ 95.531985][ T858] ksys_write+0x157/0x260 [ 95.531994][ T858] __x64_sys_write+0x7b/0x90 [ 95.532002][ T858] do_syscall_64+0x34/0x70 [ 95.532022][ T858] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.539520][ T418] R13: 00007ffe7bfbb2b0 R14: 0000555556460b00 R15: 00007ffe7bfbb2f0 [ 95.547507][ T858] RIP: 0033:0x7fd11bd980e9 [ 95.547519][ T858] 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 [ 95.547525][ T858] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.547538][ T858] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 95.547543][ T858] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 95.547549][ T858] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 95.547554][ T858] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 95.547560][ T858] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 95.549292][ T858] !!! cgroup_apply_control_disable [ 95.555648][ T418] ---[ end trace 3a08363c28c4e38d ]--- [ 95.561949][ T858] !!! cgroup_apply_control_disable kill_css ffff88811b5b5800 [ 95.985812][ T858] !!! cgroup_apply_control_disable kill_css ffff88811b5b5000 [ 95.997321][ T422] ------------[ cut here ]------------ [ 96.002872][ T422] WARNING: CPU: 0 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 96.012007][ C0] !!! css_killed_ref_fn css ffff88811b5b5800 !!! [ 96.018597][ T422] Modules linked in: [ 96.022531][ T422] CPU: 0 PID: 422 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 96.034103][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.044172][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 96.049834][ T422] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 96.069489][ T422] RSP: 0018:ffffc90000d47d58 EFLAGS: 00010293 [ 96.075558][ T422] RAX: ffffffff81af040c RBX: ffff8881165cab60 RCX: ffff88810537adc0 [ 96.083554][ T422] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 96.091557][ T422] RBP: ffffc90000d47dc8 R08: ffffffff81af0137 R09: fffff520001a8fa3 [ 96.099519][ T422] R10: fffff520001a8fa3 R11: 1ffff920001a8fa2 R12: dffffc0000000000 [ 96.107609][ T422] R13: ffff8881165caa80 R14: 00000000ffffffff R15: 0000000000000000 [ 96.115604][ T422] FS: 0000555556e01400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 96.124547][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.131135][ T422] CR2: 00007f9ada730028 CR3: 0000000116d4a000 CR4: 00000000003506b0 [ 96.139102][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.147078][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.155051][ T422] Call Trace: [ 96.158320][ T422] ? init_wait_entry+0xe0/0xe0 [ 96.163262][ T422] ? up_write+0x68/0x140 [ 96.167503][ T422] namespace_unlock+0x377/0x420 [ 96.172441][ T422] path_umount+0xe23/0xed0 [ 96.176836][ T422] __x64_sys_umount+0xe8/0x110 [ 96.181714][ T422] do_syscall_64+0x34/0x70 [ 96.186224][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 96.192204][ T422] RIP: 0033:0x7fd11bd99557 [ 96.196609][ T422] 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 [ 96.216379][ T422] RSP: 002b:00007ffc6401fd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 96.224916][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd11bd99557 [ 96.233063][ T422] RDX: 00007ffc6401fdea RSI: 000000000000000a RDI: 00007ffc6401fde0 [ 96.241035][ T422] RBP: 00007ffc6401fde0 R08: 00000000ffffffff R09: 00007ffc6401fbb0 [ 96.249216][ T422] R10: 0000555556e02ba3 R11: 0000000000000246 R12: 00007fd11bdf11f8 [ 96.257196][ T422] R13: 00007ffc64020ea0 R14: 0000555556e02b00 R15: 00007ffc64020ee0 [ 96.265166][ T422] ---[ end trace 3a08363c28c4e38e ]--- [ 96.270695][ T5] !!! css_release css ffff88811b5b5800 !!! [ 96.276633][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811b5b5800 !!! [ 96.284144][ C0] !!! css_killed_ref_fn css ffff88811b5b5000 !!! [ 96.290603][ T74] !!! css_release css ffff88811b5b5000 !!! [ 96.291179][ T422] ------------[ cut here ]------------ [ 96.296751][ T74] !!! css_put is zero set CSS_NO_REF css ffff88811b5b5000 !!! [ 96.302179][ T422] WARNING: CPU: 1 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 96.309782][ T887] !!! css_create !!! [ 96.318688][ T422] Modules linked in: [ 96.318705][ T422] CPU: 1 PID: 422 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 96.318711][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.318725][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 96.318741][ T422] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 96.323244][ T887] !!! css_create !!! [ 96.326515][ T422] RSP: 0018:ffffc90000d47dd0 EFLAGS: 00010293 [ 96.326527][ T422] RAX: ffffffff81af040c RBX: ffff8881165cab60 RCX: ffff88810537adc0 [ 96.326534][ T422] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 96.326541][ T422] RBP: ffffc90000d47e40 R08: ffffffff81af0137 R09: fffff520001a8fb2 [ 96.326553][ T422] R10: fffff520001a8fb2 R11: 1ffff920001a8fb1 R12: dffffc0000000000 [ 96.338596][ T887] !!! css_create !!! [ 96.348307][ T422] R13: ffff8881165caa80 R14: 00000000fffffffe R15: 0000000000000000 [ 96.348316][ T422] FS: 0000555556e01400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 96.348323][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.348329][ T422] CR2: 00007fe496b8eff8 CR3: 0000000116d4a000 CR4: 00000000003506a0 [ 96.348341][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.354614][ T887] FAULT_INJECTION: forcing a failure. [ 96.354614][ T887] name failslab, interval 1, probability 0, space 0, times 0 [ 96.374215][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.374221][ T422] Call Trace: [ 96.374245][ T422] path_umount+0x1ad/0xed0 [ 96.374257][ T422] __x64_sys_umount+0xe8/0x110 [ 96.374277][ T422] do_syscall_64+0x34/0x70 [ 96.378645][ T887] CPU: 0 PID: 887 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 96.384408][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 96.392324][ T887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.392331][ T887] Call Trace: [ 96.392348][ T887] dump_stack+0x19c/0x1e2 [ 96.392358][ T887] should_fail+0x3f7/0x5b0 [ 96.392378][ T887] __should_failslab+0xd2/0x130 [ 96.400420][ T422] RIP: 0033:0x7fd11bd99557 [ 96.408360][ T887] should_failslab+0x9/0x20 [ 96.408369][ T887] slab_pre_alloc_hook+0x25/0xe0 [ 96.408384][ T887] ? __kernfs_new_node+0x4c/0x6d0 [ 96.416511][ T422] 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 [ 96.420853][ T887] __kmalloc_track_caller+0x70/0x300 [ 96.428931][ T422] RSP: 002b:00007ffc6401fd18 EFLAGS: 00000246 [ 96.438272][ T887] ? __kernfs_new_node+0x4c/0x6d0 [ 96.438287][ T887] kstrdup_const+0x55/0x90 [ 96.444873][ T422] ORIG_RAX: 00000000000000a6 [ 96.452815][ T887] __kernfs_new_node+0x4c/0x6d0 [ 96.452825][ T887] ? string+0x29f/0x2b0 [ 96.452833][ T887] ? vsnprintf+0x1a6c/0x1b30 [ 96.452852][ T887] kernfs_new_node+0x97/0x170 [ 96.461067][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd11bd99557 [ 96.474895][ T887] __kernfs_create_file+0x4a/0x270 [ 96.474907][ T887] cgroup_addrm_files+0x99e/0xeb0 [ 96.474918][ T887] ? delete_node+0x747/0x7a0 [ 96.474941][ T887] css_populate_dir+0x137/0x370 [ 96.483352][ T422] RDX: 00007ffc6401fdea RSI: 000000000000000a RDI: 00007ffc6401fde0 [ 96.486602][ T887] cgroup_apply_control_enable+0x31e/0xfc0 [ 96.491182][ T422] RBP: 00007ffc6401fde0 R08: 00000000ffffffff R09: 00007ffc6401fbb0 [ 96.496032][ T887] cgroup_apply_control+0x36/0x710 [ 96.500835][ T422] R10: 0000555556e02ba3 R11: 0000000000000246 R12: 00007fd11bdf11f8 [ 96.500851][ T422] R13: 00007ffc64020ea0 R14: 0000555556e02b00 R15: 00007ffc64020ee0 [ 96.512379][ T887] ? init_wait_entry+0xe0/0xe0 [ 96.512394][ T887] ? cgroup_kn_lock_live+0x1af/0x370 [ 96.512404][ T887] cgroup_subtree_control_write+0xd05/0x12d0 [ 96.512414][ T887] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 96.512422][ T887] cgroup_file_write+0x22f/0x4f0 [ 96.512431][ T887] kernfs_fop_write_iter+0x2cd/0x410 [ 96.512448][ T887] ? cgroup_seqfile_stop+0xc0/0xc0 [ 96.519239][ T422] ---[ end trace 3a08363c28c4e38f ]--- [ 96.529554][ T887] vfs_write+0xb57/0xe50 [ 96.529565][ T887] ksys_write+0x157/0x260 [ 96.529574][ T887] __x64_sys_write+0x7b/0x90 [ 96.529582][ T887] do_syscall_64+0x34/0x70 [ 96.529602][ T887] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 96.764699][ T887] RIP: 0033:0x7f6f953440e9 [ 96.769088][ T887] 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 [ 96.788677][ T887] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 96.797515][ T887] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 96.805714][ T887] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 96.814888][ T887] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 96.823258][ T887] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 96.831376][ T887] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 96.839660][ T887] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 96.847165][ T887] !!! cgroup_apply_control_disable [ 96.852906][ T887] !!! cgroup_apply_control_disable kill_css ffff888119667800 [ 96.860499][ T887] !!! cgroup_apply_control_disable kill_css ffff88811b8bac00 [ 96.868497][ T887] !!! cgroup_apply_control_disable kill_css ffff88811b863800 [ 96.886350][ C1] !!! css_killed_ref_fn css ffff888119667800 !!! [ 96.892842][ T426] !!! css_release css ffff888119667800 !!! [ 96.898655][ T426] !!! css_put is zero set CSS_NO_REF css ffff888119667800 !!! [ 96.906415][ C1] !!! css_killed_ref_fn css ffff88811b8bac00 !!! [ 96.912745][ C1] !!! css_killed_ref_fn css ffff88811b863800 !!! [ 96.919167][ T426] !!! css_release css ffff88811b8bac00 !!! [ 96.925275][ T426] !!! css_put is zero set CSS_NO_REF css ffff88811b8bac00 !!! [ 96.933233][ T890] !!! css_create !!! [ 96.937368][ T890] !!! css_create !!! [ 96.941439][ T890] !!! css_create !!! [ 96.945320][ T890] FAULT_INJECTION: forcing a failure. [ 96.945320][ T890] name failslab, interval 1, probability 0, space 0, times 0 [ 96.958200][ T890] CPU: 1 PID: 890 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 96.969729][ T890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.980039][ T890] Call Trace: [ 96.983313][ T890] dump_stack+0x19c/0x1e2 [ 96.987621][ T890] should_fail+0x3f7/0x5b0 [ 96.992026][ T890] __should_failslab+0xd2/0x130 [ 96.996876][ T890] should_failslab+0x9/0x20 [ 97.001375][ T890] slab_pre_alloc_hook+0x25/0xe0 [ 97.006315][ T890] kmem_cache_alloc_trace+0x47/0x2b0 [ 97.011589][ T890] ? pids_css_alloc+0x4e/0x120 [ 97.016328][ T890] pids_css_alloc+0x4e/0x120 [ 97.020901][ T890] cgroup_apply_control_enable+0x44e/0xfc0 [ 97.026705][ T890] cgroup_apply_control+0x36/0x710 [ 97.031923][ T890] ? init_wait_entry+0xe0/0xe0 [ 97.036683][ T890] ? cgroup_kn_lock_live+0x1af/0x370 [ 97.042103][ T890] cgroup_subtree_control_write+0xd05/0x12d0 [ 97.048079][ T890] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 97.054069][ T890] cgroup_file_write+0x22f/0x4f0 [ 97.058998][ T890] kernfs_fop_write_iter+0x2cd/0x410 [ 97.064259][ T890] ? cgroup_seqfile_stop+0xc0/0xc0 [ 97.069351][ T890] vfs_write+0xb57/0xe50 [ 97.073571][ T890] ksys_write+0x157/0x260 [ 97.077873][ T890] __x64_sys_write+0x7b/0x90 [ 97.082445][ T890] do_syscall_64+0x34/0x70 [ 97.086834][ T890] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 97.092697][ T890] RIP: 0033:0x7fd31cb190e9 [ 97.097088][ T890] 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 [ 97.117781][ T890] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 97.126443][ T890] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 97.134499][ T890] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 97.142565][ T890] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 97.150603][ T890] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 97.159209][ T890] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 97.167906][ T890] !!! cgroup_apply_control_disable [ 97.173177][ T890] !!! cgroup_apply_control_disable kill_css ffff88811bba1800 [ 97.182080][ T890] !!! cgroup_apply_control_disable kill_css ffff88811bd0d800 [ 97.191797][ T423] ------------[ cut here ]------------ [ 97.197299][ T423] WARNING: CPU: 0 PID: 423 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 97.207308][ T423] Modules linked in: [ 97.211517][ T423] CPU: 0 PID: 423 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 97.223589][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.234343][ T423] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 97.240559][ T423] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 97.261584][ T423] RSP: 0018:ffffc90000d57d58 EFLAGS: 00010293 [ 97.267796][ T423] RAX: ffffffff81af040c RBX: ffff888113cea9e0 RCX: ffff88810536cc40 [ 97.275800][ T423] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 97.283884][ T423] RBP: ffffc90000d57dc8 R08: ffffffff81af0137 R09: fffff520001aafa3 [ 97.291894][ T423] R10: fffff520001aafa3 R11: 1ffff920001aafa2 R12: dffffc0000000000 [ 97.299897][ T423] R13: ffff888113cea900 R14: 00000000ffffffff R15: 0000000000000000 [ 97.307881][ T423] FS: 0000555555d72400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 97.316941][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.323570][ T423] CR2: 0000555555d7bb38 CR3: 0000000116485000 CR4: 00000000003506b0 [ 97.331837][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 97.339916][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 97.347925][ T423] Call Trace: [ 97.351285][ T423] ? init_wait_entry+0xe0/0xe0 [ 97.356058][ T423] ? up_write+0x68/0x140 [ 97.360282][ T423] namespace_unlock+0x377/0x420 [ 97.365148][ T423] path_umount+0xe23/0xed0 [ 97.369694][ T423] __x64_sys_umount+0xe8/0x110 [ 97.374499][ T423] do_syscall_64+0x34/0x70 [ 97.378963][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 97.384884][ T423] RIP: 0033:0x7fd31cb1a557 [ 97.389306][ T423] 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 [ 97.409372][ T423] RSP: 002b:00007ffedb330808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 97.417810][ T423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd31cb1a557 [ 97.425796][ T423] RDX: 00007ffedb3308da RSI: 000000000000000a RDI: 00007ffedb3308d0 [ 97.433766][ T423] RBP: 00007ffedb3308d0 R08: 00000000ffffffff R09: 00007ffedb3306a0 [ 97.441741][ T423] R10: 0000555555d73ba3 R11: 0000000000000246 R12: 00007fd31cb721f8 [ 97.449712][ T423] R13: 00007ffedb331990 R14: 0000555555d73b00 R15: 00007ffedb3319d0 [ 97.457792][ T423] ---[ end trace 3a08363c28c4e390 ]--- [ 97.463335][ T423] ------------[ cut here ]------------ [ 97.468843][ T423] WARNING: CPU: 1 PID: 423 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 97.477816][ T423] Modules linked in: [ 97.481128][ C0] !!! css_killed_ref_fn css ffff88811bba1800 !!! [ 97.481718][ T423] CPU: 1 PID: 423 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 97.488042][ C0] !!! css_killed_ref_fn css ffff88811bd0d800 !!! [ 97.499555][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.506009][ T5] !!! css_release css ffff88811bba1800 !!! [ 97.516512][ T423] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 97.516532][ T423] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 97.522489][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811bba1800 !!! [ 97.527935][ T423] RSP: 0018:ffffc90000d57dd0 EFLAGS: 00010293 [ 97.527948][ T423] RAX: ffffffff81af040c RBX: ffff888113cea9e0 RCX: ffff88810536cc40 [ 97.527955][ T423] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 97.527968][ T423] RBP: ffffc90000d57e40 R08: ffffffff81af0137 R09: fffff520001aafb2 [ 97.548097][ T5] !!! css_release css ffff88811bd0d800 !!! [ 97.555395][ T423] R10: fffff520001aafb2 R11: 1ffff920001aafb1 R12: dffffc0000000000 [ 97.555402][ T423] R13: ffff888113cea900 R14: 00000000fffffffe R15: 0000000000000000 [ 97.555423][ T423] FS: 0000555555d72400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 97.561529][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811bd0d800 !!! [ 97.569510][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.569518][ T423] CR2: 00007fd11beab028 CR3: 0000000116485000 CR4: 00000000003506a0 [ 97.569528][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 97.569540][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 97.577602][ T905] !!! css_create !!! [ 97.585458][ T423] Call Trace: [ 97.585475][ T423] path_umount+0x1ad/0xed0 [ 97.585490][ T423] __x64_sys_umount+0xe8/0x110 [ 97.591404][ T905] !!! css_create !!! [ 97.599226][ T423] do_syscall_64+0x34/0x70 [ 97.599236][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 97.599250][ T423] RIP: 0033:0x7fd31cb1a557 [ 97.608991][ T905] !!! css_create !!! [ 97.616144][ T423] 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 [ 97.616150][ T423] RSP: 002b:00007ffedb330808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 97.623813][ T905] FAULT_INJECTION: forcing a failure. [ 97.623813][ T905] name failslab, interval 1, probability 0, space 0, times 0 [ 97.630166][ T423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd31cb1a557 [ 97.630173][ T423] RDX: 00007ffedb3308da RSI: 000000000000000a RDI: 00007ffedb3308d0 [ 97.630179][ T423] RBP: 00007ffedb3308d0 R08: 00000000ffffffff R09: 00007ffedb3306a0 [ 97.630185][ T423] R10: 0000555555d73ba3 R11: 0000000000000246 R12: 00007fd31cb721f8 [ 97.630196][ T423] R13: 00007ffedb331990 R14: 0000555555d73b00 R15: 00007ffedb3319d0 [ 97.638726][ T905] CPU: 0 PID: 905 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 97.646286][ T423] ---[ end trace 3a08363c28c4e391 ]--- [ 97.654232][ T905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.654238][ T905] Call Trace: [ 97.654257][ T905] dump_stack+0x19c/0x1e2 [ 97.654267][ T905] should_fail+0x3f7/0x5b0 [ 97.654277][ T905] __should_failslab+0xd2/0x130 [ 97.654285][ T905] should_failslab+0x9/0x20 [ 97.654304][ T905] slab_pre_alloc_hook+0x25/0xe0 [ 97.827649][ T905] ? __kernfs_new_node+0x4c/0x6d0 [ 97.832669][ T905] __kmalloc_track_caller+0x70/0x300 [ 97.837937][ T905] ? __kernfs_new_node+0x4c/0x6d0 [ 97.842935][ T905] kstrdup_const+0x55/0x90 [ 97.847332][ T905] __kernfs_new_node+0x4c/0x6d0 [ 97.852176][ T905] ? string+0x29f/0x2b0 [ 97.856318][ T905] ? vsnprintf+0x1a6c/0x1b30 [ 97.861016][ T905] kernfs_new_node+0x97/0x170 [ 97.865684][ T905] __kernfs_create_file+0x4a/0x270 [ 97.870772][ T905] cgroup_addrm_files+0x99e/0xeb0 [ 97.875803][ T905] ? delete_node+0x747/0x7a0 [ 97.880464][ T905] css_populate_dir+0x137/0x370 [ 97.885526][ T905] cgroup_apply_control_enable+0x31e/0xfc0 [ 97.891471][ T905] cgroup_apply_control+0x36/0x710 [ 97.896589][ T905] ? init_wait_entry+0xe0/0xe0 [ 97.901334][ T905] ? cgroup_kn_lock_live+0x1af/0x370 [ 97.906612][ T905] cgroup_subtree_control_write+0xd05/0x12d0 [ 97.913102][ T905] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 97.919059][ T905] cgroup_file_write+0x22f/0x4f0 [ 97.924040][ T905] kernfs_fop_write_iter+0x2cd/0x410 [ 97.929340][ T905] ? cgroup_seqfile_stop+0xc0/0xc0 [ 97.934439][ T905] vfs_write+0xb57/0xe50 [ 97.938680][ T905] ksys_write+0x157/0x260 [ 97.943017][ T905] __x64_sys_write+0x7b/0x90 [ 97.947603][ T905] do_syscall_64+0x34/0x70 [ 97.952023][ T905] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 97.957891][ T905] RIP: 0033:0x7f6f953440e9 [ 97.962282][ T905] 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 [ 97.981861][ T905] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 97.990255][ T905] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 97.998203][ T905] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 98.006237][ T905] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 98.014295][ T905] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 98.022447][ T905] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 98.031725][ T905] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 98.038840][ T905] !!! cgroup_apply_control_disable [ 98.044016][ T905] !!! cgroup_apply_control_disable kill_css ffff88811b902400 [ 98.051513][ T905] !!! cgroup_apply_control_disable kill_css ffff88811bdebc00 [ 98.058959][ T905] !!! cgroup_apply_control_disable kill_css ffff88811bdeac00 [ 98.101172][ C1] !!! css_killed_ref_fn css ffff88811b902400 !!! [ 98.107551][ C1] !!! css_killed_ref_fn css ffff88811bdebc00 !!! [ 98.113928][ T426] !!! css_release css ffff88811b902400 !!! [ 98.119720][ T426] !!! css_put is zero set CSS_NO_REF css ffff88811b902400 !!! [ 98.127443][ C1] !!! css_killed_ref_fn css ffff88811bdeac00 !!! [ 98.133844][ T426] !!! css_release css ffff88811bdebc00 !!! [ 98.139665][ T426] !!! css_put is zero set CSS_NO_REF css ffff88811bdebc00 !!! [ 98.147615][ T426] !!! css_release css ffff88811bdeac00 !!! [ 98.153451][ T426] !!! css_put is zero set CSS_NO_REF css ffff88811bdeac00 !!! [ 98.160954][ T884] !!! css_create !!! [ 98.164923][ T884] !!! css_create !!! [ 98.168827][ T884] !!! css_create !!! [ 98.172906][ T884] FAULT_INJECTION: forcing a failure. [ 98.172906][ T884] name failslab, interval 1, probability 0, space 0, times 0 [ 98.185524][ T884] CPU: 1 PID: 884 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 98.197067][ T884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.207102][ T884] Call Trace: [ 98.210370][ T884] dump_stack+0x19c/0x1e2 [ 98.214676][ T884] should_fail+0x3f7/0x5b0 [ 98.219065][ T884] __should_failslab+0xd2/0x130 [ 98.223887][ T884] should_failslab+0x9/0x20 [ 98.228361][ T884] slab_pre_alloc_hook+0x25/0xe0 [ 98.233273][ T884] ? __kernfs_new_node+0x4c/0x6d0 [ 98.238269][ T884] __kmalloc_track_caller+0x70/0x300 [ 98.243526][ T884] ? __kernfs_new_node+0x4c/0x6d0 [ 98.248536][ T884] kstrdup_const+0x55/0x90 [ 98.252944][ T884] __kernfs_new_node+0x4c/0x6d0 [ 98.257769][ T884] ? string+0x29f/0x2b0 [ 98.261895][ T884] ? vsnprintf+0x1a6c/0x1b30 [ 98.266473][ T884] kernfs_new_node+0x97/0x170 [ 98.271138][ T884] __kernfs_create_file+0x4a/0x270 [ 98.276226][ T884] cgroup_addrm_files+0x99e/0xeb0 [ 98.281246][ T884] ? delete_node+0x747/0x7a0 [ 98.285811][ T884] css_populate_dir+0x137/0x370 [ 98.290636][ T884] cgroup_apply_control_enable+0x31e/0xfc0 [ 98.296423][ T884] cgroup_apply_control+0x36/0x710 [ 98.301593][ T884] ? init_wait_entry+0xe0/0xe0 [ 98.306422][ T884] ? cgroup_kn_lock_live+0x1af/0x370 [ 98.311679][ T884] cgroup_subtree_control_write+0xd05/0x12d0 [ 98.317742][ T884] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 98.323884][ T884] cgroup_file_write+0x22f/0x4f0 [ 98.328832][ T884] kernfs_fop_write_iter+0x2cd/0x410 [ 98.334224][ T884] ? cgroup_seqfile_stop+0xc0/0xc0 [ 98.339444][ T884] vfs_write+0xb57/0xe50 [ 98.343681][ T884] ksys_write+0x157/0x260 [ 98.348016][ T884] __x64_sys_write+0x7b/0x90 [ 98.352590][ T884] do_syscall_64+0x34/0x70 [ 98.356987][ T884] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 98.362852][ T884] RIP: 0033:0x7fce14ce20e9 [ 98.367243][ T884] 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 [ 98.387028][ T884] RSP: 002b:00007fce14c37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 98.395548][ T884] RAX: ffffffffffffffda RBX: 00007fce14df5030 RCX: 00007fce14ce20e9 [ 98.403505][ T884] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 98.411539][ T884] RBP: 00007fce14c371d0 R08: 0000000000000000 R09: 0000000000000000 [ 98.419497][ T884] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 98.427451][ T884] R13: 00007ffd972dcf5f R14: 00007fce14c37300 R15: 0000000000022000 [ 98.435513][ T884] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 98.442632][ T884] !!! cgroup_apply_control_disable [ 98.447740][ T884] !!! cgroup_apply_control_disable kill_css ffff88811baa8000 [ 98.455174][ T884] !!! cgroup_apply_control_disable kill_css ffff88811baab800 [ 98.462585][ T884] !!! cgroup_apply_control_disable kill_css ffff88811baaa800 [ 98.471022][ T416] ------------[ cut here ]------------ [ 98.476558][ T416] WARNING: CPU: 0 PID: 416 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 98.485549][ T416] Modules linked in: [ 98.485653][ C1] !!! css_killed_ref_fn css ffff88811baa8000 !!! [ 98.489442][ T416] CPU: 0 PID: 416 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 98.495853][ T445] !!! css_release css ffff88811baa8000 !!! [ 98.495861][ T445] !!! css_put is zero set CSS_NO_REF css ffff88811baa8000 !!! [ 98.521042][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.531451][ T416] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 98.537087][ T416] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 98.556705][ T416] RSP: 0018:ffffc90000c97d58 EFLAGS: 00010293 [ 98.562810][ T416] RAX: ffffffff81af040c RBX: ffff888113cea6e0 RCX: ffff88810826eac0 [ 98.570784][ T416] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 98.578792][ T416] RBP: ffffc90000c97dc8 R08: ffffffff81af0137 R09: fffff52000192fa3 [ 98.586788][ T416] R10: fffff52000192fa3 R11: 1ffff92000192fa2 R12: dffffc0000000000 [ 98.594769][ T416] R13: ffff888113cea600 R14: 00000000ffffffff R15: 0000000000000000 [ 98.602769][ T416] FS: 0000555555605400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 98.611743][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.618338][ T416] CR2: 00007ffd972dbff8 CR3: 00000001093ba000 CR4: 00000000003506b0 [ 98.626380][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 98.634418][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 98.642467][ T416] Call Trace: [ 98.645766][ T416] ? init_wait_entry+0xe0/0xe0 [ 98.650526][ T416] ? up_write+0x68/0x140 [ 98.654796][ T416] namespace_unlock+0x377/0x420 [ 98.659637][ T416] path_umount+0xe23/0xed0 [ 98.664067][ T416] __x64_sys_umount+0xe8/0x110 [ 98.668944][ T416] do_syscall_64+0x34/0x70 [ 98.673382][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 98.679266][ T416] RIP: 0033:0x7fce14ce3557 [ 98.683726][ T416] 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 [ 98.703446][ T416] RSP: 002b:00007ffd972dc0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 98.711880][ T416] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fce14ce3557 [ 98.719852][ T416] RDX: 00007ffd972dc18a RSI: 000000000000000a RDI: 00007ffd972dc180 [ 98.727864][ T416] RBP: 00007ffd972dc180 R08: 00000000ffffffff R09: 00007ffd972dbf50 [ 98.735859][ T416] R10: 0000555555606ba3 R11: 0000000000000246 R12: 00007fce14d3b1f8 [ 98.743842][ T416] R13: 00007ffd972dd240 R14: 0000555555606b00 R15: 00007ffd972dd280 [ 98.751849][ T416] ---[ end trace 3a08363c28c4e392 ]--- [ 98.757368][ T416] ------------[ cut here ]------------ [ 98.762875][ T416] WARNING: CPU: 1 PID: 416 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 98.771813][ T416] Modules linked in: [ 98.775708][ T416] CPU: 1 PID: 416 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 98.787376][ C1] !!! css_killed_ref_fn css ffff88811baab800 !!! [ 98.787391][ C1] !!! css_killed_ref_fn css ffff88811baaa800 !!! [ 98.800074][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.810315][ T416] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 98.815980][ T416] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 98.835693][ T416] RSP: 0018:ffffc90000c97dd0 EFLAGS: 00010293 [ 98.841761][ T416] RAX: ffffffff81af040c RBX: ffff888113cea6e0 RCX: ffff88810826eac0 [ 98.849715][ T416] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 98.857678][ T416] RBP: ffffc90000c97e40 R08: ffffffff81af0137 R09: fffff52000192fb2 [ 98.865641][ T416] R10: fffff52000192fb2 R11: 1ffff92000192fb1 R12: dffffc0000000000 [ 98.873632][ T416] R13: ffff888113cea600 R14: 00000000fffffffe R15: 0000000000000000 [ 98.881795][ T416] FS: 0000555555605400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 98.890722][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.897336][ T416] CR2: 00007fd31ca6dff8 CR3: 00000001093ba000 CR4: 00000000003506a0 [ 98.905441][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 98.913449][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 98.921438][ T416] Call Trace: [ 98.924729][ T416] path_umount+0x1ad/0xed0 [ 98.929174][ T416] __x64_sys_umount+0xe8/0x110 [ 98.933949][ T416] do_syscall_64+0x34/0x70 [ 98.938452][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 98.944455][ T416] RIP: 0033:0x7fce14ce3557 [ 98.948855][ T416] 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 [ 98.968536][ T416] RSP: 002b:00007ffd972dc0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 98.977028][ T416] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fce14ce3557 [ 98.985050][ T416] RDX: 00007ffd972dc18a RSI: 000000000000000a RDI: 00007ffd972dc180 [ 98.993022][ T416] RBP: 00007ffd972dc180 R08: 00000000ffffffff R09: 00007ffd972dbf50 [ 99.000976][ T416] R10: 0000555555606ba3 R11: 0000000000000246 R12: 00007fce14d3b1f8 [ 99.008945][ T416] R13: 00007ffd972dd240 R14: 0000555555606b00 R15: 00007ffd972dd280 [ 99.016908][ T416] ---[ end trace 3a08363c28c4e393 ]--- [ 99.022410][ T426] !!! css_release css ffff88811baab800 !!! [ 99.028568][ T426] !!! css_put is zero set CSS_NO_REF css ffff88811baab800 !!! [ 99.039217][ T426] !!! css_release css ffff88811baaa800 !!! [ 99.045157][ T426] !!! css_put is zero set CSS_NO_REF css ffff88811baaa800 !!! [ 99.053012][ T914] !!! css_create !!! [ 99.057296][ T914] !!! css_create !!! [ 99.061338][ T914] !!! css_create !!! [ 99.065264][ T914] FAULT_INJECTION: forcing a failure. [ 99.065264][ T914] name failslab, interval 1, probability 0, space 0, times 0 [ 99.078114][ T914] CPU: 0 PID: 914 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 99.089641][ T914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.099813][ T914] Call Trace: [ 99.103095][ T914] dump_stack+0x19c/0x1e2 [ 99.107486][ T914] should_fail+0x3f7/0x5b0 [ 99.111873][ T914] __should_failslab+0xd2/0x130 [ 99.116698][ T914] should_failslab+0x9/0x20 [ 99.121179][ T914] slab_pre_alloc_hook+0x25/0xe0 [ 99.126083][ T914] ? __kernfs_new_node+0x4c/0x6d0 [ 99.131075][ T914] __kmalloc_track_caller+0x70/0x300 [ 99.136363][ T914] ? __kernfs_new_node+0x4c/0x6d0 [ 99.141371][ T914] kstrdup_const+0x55/0x90 [ 99.145764][ T914] __kernfs_new_node+0x4c/0x6d0 [ 99.150586][ T914] ? string+0x29f/0x2b0 [ 99.154715][ T914] ? vsnprintf+0x1a6c/0x1b30 [ 99.159375][ T914] kernfs_new_node+0x97/0x170 [ 99.164037][ T914] __kernfs_create_file+0x4a/0x270 [ 99.169114][ T914] cgroup_addrm_files+0x99e/0xeb0 [ 99.174139][ T914] ? delete_node+0x747/0x7a0 [ 99.178786][ T914] css_populate_dir+0x137/0x370 [ 99.183640][ T914] cgroup_apply_control_enable+0x31e/0xfc0 [ 99.189442][ T914] cgroup_apply_control+0x36/0x710 [ 99.194688][ T914] ? init_wait_entry+0xe0/0xe0 [ 99.199448][ T914] ? cgroup_kn_lock_live+0x1af/0x370 [ 99.204812][ T914] cgroup_subtree_control_write+0xd05/0x12d0 [ 99.210855][ T914] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 99.216922][ T914] cgroup_file_write+0x22f/0x4f0 [ 99.222034][ T914] kernfs_fop_write_iter+0x2cd/0x410 [ 99.227315][ T914] ? cgroup_seqfile_stop+0xc0/0xc0 [ 99.232533][ T914] vfs_write+0xb57/0xe50 [ 99.236781][ T914] ksys_write+0x157/0x260 [ 99.241091][ T914] __x64_sys_write+0x7b/0x90 [ 99.245671][ T914] do_syscall_64+0x34/0x70 [ 99.250259][ T914] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 99.256147][ T914] RIP: 0033:0x7f6f953440e9 [ 99.260554][ T914] 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 [ 99.280135][ T914] RSP: 002b:00007f6f95299168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 99.288534][ T914] RAX: ffffffffffffffda RBX: 00007f6f95457030 RCX: 00007f6f953440e9 [ 99.296578][ T914] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 99.304557][ T914] RBP: 00007f6f952991d0 R08: 0000000000000000 R09: 0000000000000000 [ 99.312725][ T914] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 99.320917][ T914] R13: 00007ffc80b3a13f R14: 00007f6f95299300 R15: 0000000000022000 [ 99.330111][ T914] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 99.337185][ T914] !!! cgroup_apply_control_disable [ 99.342323][ T914] !!! cgroup_apply_control_disable kill_css ffff88811bb4f000 2022/05/31 18:33:41 executed programs: 158 [ 99.349813][ T914] !!! cgroup_apply_control_disable kill_css ffff88811bb2c800 [ 99.357566][ T914] !!! cgroup_apply_control_disable kill_css ffff88811bb2d000 [ 99.381135][ C0] !!! css_killed_ref_fn css ffff88811bb4f000 !!! [ 99.388310][ C0] !!! css_killed_ref_fn css ffff88811bb2c800 !!! [ 99.394656][ C0] !!! css_killed_ref_fn css ffff88811bb2d000 !!! [ 99.401127][ T5] !!! css_release css ffff88811bb4f000 !!! [ 99.406957][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811bb4f000 !!! [ 99.414797][ T5] !!! css_release css ffff88811bb2c800 !!! [ 99.420598][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811bb2c800 !!! [ 99.429351][ T5] !!! css_release css ffff88811bb2d000 !!! [ 99.435279][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811bb2d000 !!! [ 99.442943][ T913] !!! css_create !!! [ 99.446935][ T913] !!! css_create !!! [ 99.450867][ T913] !!! css_create !!! [ 99.454875][ T913] FAULT_INJECTION: forcing a failure. [ 99.454875][ T913] name failslab, interval 1, probability 0, space 0, times 0 [ 99.467615][ T913] CPU: 1 PID: 913 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 99.479148][ T913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.489195][ T913] Call Trace: [ 99.492481][ T913] dump_stack+0x19c/0x1e2 [ 99.496793][ T913] should_fail+0x3f7/0x5b0 [ 99.501288][ T913] __should_failslab+0xd2/0x130 [ 99.506129][ T913] should_failslab+0x9/0x20 [ 99.510608][ T913] slab_pre_alloc_hook+0x25/0xe0 [ 99.515524][ T913] ? __kernfs_new_node+0x4c/0x6d0 [ 99.520531][ T913] __kmalloc_track_caller+0x70/0x300 [ 99.525802][ T913] ? __kernfs_new_node+0x4c/0x6d0 [ 99.530832][ T913] kstrdup_const+0x55/0x90 [ 99.535241][ T913] __kernfs_new_node+0x4c/0x6d0 [ 99.540187][ T913] ? string+0x29f/0x2b0 [ 99.544326][ T913] ? vsnprintf+0x1a6c/0x1b30 [ 99.548909][ T913] kernfs_new_node+0x97/0x170 [ 99.553567][ T913] __kernfs_create_file+0x4a/0x270 [ 99.558678][ T913] cgroup_addrm_files+0x99e/0xeb0 [ 99.563684][ T913] ? delete_node+0x747/0x7a0 [ 99.568258][ T913] css_populate_dir+0x137/0x370 [ 99.573273][ T913] cgroup_apply_control_enable+0x31e/0xfc0 [ 99.579255][ T913] cgroup_apply_control+0x36/0x710 [ 99.584346][ T913] ? init_wait_entry+0xe0/0xe0 [ 99.589103][ T913] ? cgroup_kn_lock_live+0x1af/0x370 [ 99.594384][ T913] cgroup_subtree_control_write+0xd05/0x12d0 [ 99.600780][ T913] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 99.607165][ T913] cgroup_file_write+0x22f/0x4f0 [ 99.612094][ T913] kernfs_fop_write_iter+0x2cd/0x410 [ 99.617360][ T913] ? cgroup_seqfile_stop+0xc0/0xc0 [ 99.622447][ T913] vfs_write+0xb57/0xe50 [ 99.626665][ T913] ksys_write+0x157/0x260 [ 99.630986][ T913] __x64_sys_write+0x7b/0x90 [ 99.635606][ T913] do_syscall_64+0x34/0x70 [ 99.640014][ T913] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 99.645906][ T913] RIP: 0033:0x7fd31cb190e9 [ 99.650303][ T913] 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 [ 99.670121][ T913] RSP: 002b:00007fd31ca6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 99.678528][ T913] RAX: ffffffffffffffda RBX: 00007fd31cc2c030 RCX: 00007fd31cb190e9 [ 99.686613][ T913] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 99.694767][ T913] RBP: 00007fd31ca6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 99.702897][ T913] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 99.710950][ T913] R13: 00007ffedb3316af R14: 00007fd31ca6e300 R15: 0000000000022000 [ 99.720010][ T913] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 99.727117][ T913] !!! cgroup_apply_control_disable [ 99.732261][ T913] !!! cgroup_apply_control_disable kill_css ffff88811aff7c00 [ 99.739800][ T913] !!! cgroup_apply_control_disable kill_css ffff88811aff5000 [ 99.749315][ T913] !!! cgroup_apply_control_disable kill_css ffff88811bc78400 [ 99.762203][ C1] !!! css_killed_ref_fn css ffff88811aff7c00 !!! [ 99.768634][ T426] !!! css_release css ffff88811aff7c00 !!! [ 99.774526][ C1] !!! css_killed_ref_fn css ffff88811aff5000 !!! [ 99.774538][ C1] !!! css_killed_ref_fn css ffff88811bc78400 !!! [ 99.787556][ T426] !!! css_put is zero set CSS_NO_REF css ffff88811aff7c00 !!! [ 99.795122][ T19] !!! css_release css ffff88811aff5000 !!! [ 99.800922][ T19] !!! css_put is zero set CSS_NO_REF css ffff88811aff5000 !!! [ 99.808683][ T19] !!! css_release css ffff88811bc78400 !!! [ 99.814995][ T19] !!! css_put is zero set CSS_NO_REF css ffff88811bc78400 !!! [ 99.822711][ T896] !!! css_create !!! [ 99.826894][ T896] !!! css_create !!! [ 99.830849][ T896] !!! css_create !!! [ 99.834939][ T896] FAULT_INJECTION: forcing a failure. [ 99.834939][ T896] name failslab, interval 1, probability 0, space 0, times 0 [ 99.847698][ T896] CPU: 0 PID: 896 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 99.859223][ T896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.869270][ T896] Call Trace: [ 99.872545][ T896] dump_stack+0x19c/0x1e2 [ 99.876863][ T896] should_fail+0x3f7/0x5b0 [ 99.881260][ T896] __should_failslab+0xd2/0x130 [ 99.886139][ T896] should_failslab+0x9/0x20 [ 99.890619][ T896] slab_pre_alloc_hook+0x25/0xe0 [ 99.895536][ T896] ? __kernfs_new_node+0x4c/0x6d0 [ 99.900657][ T896] __kmalloc_track_caller+0x70/0x300 [ 99.905947][ T896] ? __kernfs_new_node+0x4c/0x6d0 [ 99.910957][ T896] kstrdup_const+0x55/0x90 [ 99.915576][ T896] __kernfs_new_node+0x4c/0x6d0 [ 99.920438][ T896] ? string+0x29f/0x2b0 [ 99.924578][ T896] ? vsnprintf+0x1a6c/0x1b30 [ 99.929148][ T896] kernfs_new_node+0x97/0x170 [ 99.933810][ T896] __kernfs_create_file+0x4a/0x270 [ 99.939084][ T896] cgroup_addrm_files+0x99e/0xeb0 [ 99.944092][ T896] ? delete_node+0x747/0x7a0 [ 99.948677][ T896] css_populate_dir+0x137/0x370 [ 99.953688][ T896] cgroup_apply_control_enable+0x31e/0xfc0 [ 99.959471][ T896] cgroup_apply_control+0x36/0x710 [ 99.964560][ T896] ? init_wait_entry+0xe0/0xe0 [ 99.969299][ T896] ? cgroup_kn_lock_live+0x1af/0x370 [ 99.974558][ T896] cgroup_subtree_control_write+0xd05/0x12d0 [ 99.980511][ T896] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 99.986467][ T896] cgroup_file_write+0x22f/0x4f0 [ 99.991391][ T896] kernfs_fop_write_iter+0x2cd/0x410 [ 99.996656][ T896] ? cgroup_seqfile_stop+0xc0/0xc0 [ 100.001757][ T896] vfs_write+0xb57/0xe50 [ 100.005998][ T896] ksys_write+0x157/0x260 [ 100.010298][ T896] __x64_sys_write+0x7b/0x90 [ 100.015224][ T896] do_syscall_64+0x34/0x70 [ 100.019883][ T896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 100.025777][ T896] RIP: 0033:0x7fe496c3a0e9 [ 100.030177][ T896] 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 [ 100.049781][ T896] RSP: 002b:00007fe496b8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 100.058174][ T896] RAX: ffffffffffffffda RBX: 00007fe496d4d030 RCX: 00007fe496c3a0e9 [ 100.066130][ T896] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 100.074097][ T896] RBP: 00007fe496b8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 100.082139][ T896] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 100.090094][ T896] R13: 00007fff13b7878f R14: 00007fe496b8f300 R15: 0000000000022000 [ 100.098281][ T896] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 100.105394][ T896] !!! cgroup_apply_control_disable [ 100.110542][ T896] !!! cgroup_apply_control_disable kill_css ffff88811aff2800 [ 100.118010][ T896] !!! cgroup_apply_control_disable kill_css ffff88811aff0800 [ 100.125501][ T896] !!! cgroup_apply_control_disable kill_css ffff88811aff1800 [ 100.134143][ T425] ------------[ cut here ]------------ [ 100.139642][ T425] WARNING: CPU: 1 PID: 425 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 100.148599][ T425] Modules linked in: [ 100.152506][ C1] !!! css_killed_ref_fn css ffff88811aff2800 !!! [ 100.158829][ T425] CPU: 1 PID: 425 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 100.170363][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.180434][ T425] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 100.186068][ T425] Code: 48 c7 c2 80 e0 c4 85 e8 92 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 a3 6f a7 ff e9 28 fd ff ff [ 100.205708][ T425] RSP: 0018:ffffc90000d77dd0 EFLAGS: 00010293 [ 100.211795][ T425] RAX: ffffffff81af040c RBX: ffff888113cebd60 RCX: ffff888108130000 [ 100.219761][ T425] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 100.227757][ T425] RBP: ffffc90000d77e40 R08: ffffffff81af0137 R09: fffff520001aefb2 [ 100.235740][ T425] R10: fffff520001aefb2 R11: 1ffff920001aefb1 R12: dffffc0000000000 [ 100.243755][ T425] R13: ffff888113cebc80 R14: 00000000ffffffff R15: 0000000000000000 [ 100.251770][ T425] FS: 0000555556480400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 100.260691][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.267295][ T425] CR2: 00007fff13b7790c CR3: 0000000102ad5000 CR4: 00000000003506a0 [ 100.275298][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 100.283275][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 100.291248][ T425] Call Trace: [ 100.294523][ T425] path_umount+0x1ad/0xed0 [ 100.298912][ T425] __x64_sys_umount+0xe8/0x110 [ 100.303680][ T425] do_syscall_64+0x34/0x70 [ 100.308081][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 100.313975][ T425] RIP: 0033:0x7fe496c3b557 [ 100.318557][ T425] 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 [ 100.338208][ T425] RSP: 002b:00007fff13b778e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 100.346647][ T425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe496c3b557 [ 100.354762][ T425] RDX: 00007fff13b779ba RSI: 000000000000000a RDI: 00007fff13b779b0 [ 100.362746][ T425] RBP: 00007fff13b779b0 R08: 00000000ffffffff R09: 00007fff13b77780 [ 100.370706][ T425] R10: 0000555556481ba3 R11: 0000000000000246 R12: 00007fe496c931f8 [ 100.378702][ T425] R13: 00007fff13b78a70 R14: 0000555556481b00 R15: 00007fff13b78ab0 [ 100.386935][ T425] ---[ end trace 3a08363c28c4e394 ]--- [ 100.392447][ T19] !!! css_release css ffff88811aff2800 !!! [ 100.392621][ T425] ------------[ cut here ]------------ [ 100.398252][ T19] !!! css_put is zero set CSS_NO_REF css ffff88811aff2800 !!! [ 100.403788][ C0] !!! css_killed_ref_fn css ffff88811aff0800 !!! [ 100.403800][ C0] !!! css_killed_ref_fn css ffff88811aff1800 !!! [ 100.424116][ T107] !!! css_release css ffff88811aff0800 !!! [ 100.424218][ T425] WARNING: CPU: 1 PID: 425 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 100.430013][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811aff0800 !!! [ 100.430595][ T895] !!! css_create !!! [ 100.438829][ T425] Modules linked in: [ 100.446229][ T895] !!! css_create !!! [ 100.450155][ T425] [ 100.454000][ T895] !!! css_create !!! [ 100.457935][ T425] CPU: 1 PID: 425 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 100.460182][ T895] FAULT_INJECTION: forcing a failure. [ 100.460182][ T895] name failslab, interval 1, probability 0, space 0, times 0 [ 100.464162][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.475769][ T895] CPU: 0 PID: 895 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 100.488572][ T425] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 100.498329][ T895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.498333][ T895] Call Trace: [ 100.498344][ T895] dump_stack+0x19c/0x1e2 [ 100.498355][ T895] should_fail+0x3f7/0x5b0 [ 100.498365][ T895] __should_failslab+0xd2/0x130 [ 100.498374][ T895] should_failslab+0x9/0x20 [ 100.498381][ T895] slab_pre_alloc_hook+0x25/0xe0 [ 100.498395][ T895] ? __kernfs_new_node+0x4c/0x6d0 [ 100.498409][ T895] __kmalloc_track_caller+0x70/0x300 [ 100.510416][ T425] Code: c9 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 6e 01 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 5b 01 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 ea 1f 86 80 e1 07 80 c1 03 38 c1 [ 100.515128][ T895] ? __kernfs_new_node+0x4c/0x6d0 [ 100.515138][ T895] kstrdup_const+0x55/0x90 [ 100.515147][ T895] __kernfs_new_node+0x4c/0x6d0 [ 100.515156][ T895] ? string+0x29f/0x2b0 [ 100.515164][ T895] ? vsnprintf+0x1a6c/0x1b30 [ 100.515181][ T895] kernfs_new_node+0x97/0x170 [ 100.525644][ T425] RSP: 0018:ffffc90000d77e30 EFLAGS: 00010293 [ 100.528515][ T895] __kernfs_create_file+0x4a/0x270 [ 100.528531][ T895] cgroup_addrm_files+0x99e/0xeb0 [ 100.533006][ T425] [ 100.537235][ T895] ? delete_node+0x747/0x7a0 [ 100.537248][ T895] css_populate_dir+0x137/0x370 [ 100.537268][ T895] cgroup_apply_control_enable+0x31e/0xfc0 [ 100.542434][ T425] RAX: ffffffff81b00ed5 RBX: ffffe8ffffd4300c RCX: ffff888108130000 [ 100.546594][ T895] cgroup_apply_control+0x36/0x710 [ 100.546604][ T895] ? init_wait_entry+0xe0/0xe0 [ 100.546622][ T895] ? cgroup_kn_lock_live+0x1af/0x370 [ 100.551885][ T425] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 100.556571][ T895] cgroup_subtree_control_write+0xd05/0x12d0 [ 100.556589][ T895] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 100.562014][ T425] RBP: ffffc90000d77e80 R08: ffffffff81b00bb3 R09: fffff520001aefcd [ 100.581638][ T895] cgroup_file_write+0x22f/0x4f0 [ 100.581651][ T895] kernfs_fop_write_iter+0x2cd/0x410 [ 100.581659][ T895] ? cgroup_seqfile_stop+0xc0/0xc0 [ 100.581669][ T895] vfs_write+0xb57/0xe50 [ 100.581678][ T895] ksys_write+0x157/0x260 [ 100.581696][ T895] __x64_sys_write+0x7b/0x90 [ 100.587113][ T425] R10: fffff520001aefcd R11: 1ffff920001aefcc R12: ffff888113cebcc8 [ 100.591229][ T895] do_syscall_64+0x34/0x70 [ 100.591239][ T895] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 100.591247][ T895] RIP: 0033:0x7f9ada61d0e9 [ 100.591258][ T895] 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 [ 100.591270][ T895] RSP: 002b:00007f9ada572168 EFLAGS: 00000246 [ 100.596626][ T425] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 100.600472][ T895] ORIG_RAX: 0000000000000001 [ 100.600481][ T895] RAX: ffffffffffffffda RBX: 00007f9ada730030 RCX: 00007f9ada61d0e9 [ 100.600487][ T895] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 100.600493][ T895] RBP: 00007f9ada5721d0 R08: 0000000000000000 R09: 0000000000000000 [ 100.600508][ T895] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 100.605554][ T425] FS: 0000555556480400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 100.609945][ T895] R13: 00007ffe7bfbafcf R14: 00007f9ada572300 R15: 0000000000022000 [ 100.610275][ T895] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 100.616359][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.621263][ T895] !!! cgroup_apply_control_disable [ 100.626373][ T425] CR2: 00007fff13b7790c CR3: 0000000102ad5000 CR4: 00000000003506a0 [ 100.628538][ T895] !!! cgroup_apply_control_disable kill_css ffff88811bcd8000 [ 100.633215][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 100.638038][ T895] !!! cgroup_apply_control_disable kill_css ffff88811bcd8c00 [ 100.644008][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 100.651929][ T895] !!! cgroup_apply_control_disable kill_css ffff88811bcd9c00 [ 100.657105][ T425] Call Trace: [ 100.904729][ T425] __cleanup_mnt+0x19/0x20 [ 100.909600][ T425] task_work_run+0x147/0x1b0 [ 100.914341][ T425] exit_to_user_mode_loop+0xc8/0xe0 [ 100.919207][ C0] !!! css_killed_ref_fn css ffff88811bcd8000 !!! [ 100.919715][ T425] syscall_exit_to_user_mode+0x77/0xa0 [ 100.919731][ T425] do_syscall_64+0x40/0x70 [ 100.926352][ T107] !!! css_release css ffff88811bcd8000 !!! [ 100.931608][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 100.931627][ T425] RIP: 0033:0x7fe496c3b557 [ 100.937023][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811bcd8000 !!! [ 100.943502][ T425] 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 [ 100.961128][ C0] !!! css_killed_ref_fn css ffff88811bcd8c00 !!! [ 100.962555][ T425] RSP: 002b:00007fff13b778e8 EFLAGS: 00000246 [ 100.982633][ C0] !!! css_killed_ref_fn css ffff88811bcd9c00 !!! [ 100.983218][ T107] !!! css_release css ffff88811bcd8c00 !!! [ 100.989601][ T425] ORIG_RAX: 00000000000000a6 [ 100.996931][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811bcd8c00 !!! [ 101.003257][ T425] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe496c3b557 [ 101.009287][ T107] !!! css_release css ffff88811bcd9c00 !!! [ 101.017434][ T425] RDX: 00007fff13b779ba RSI: 000000000000000a RDI: 00007fff13b779b0 [ 101.025028][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811bcd9c00 !!! [ 101.034388][ T425] RBP: 00007fff13b779b0 R08: 00000000ffffffff R09: 00007fff13b77780 [ 101.040540][ T904] !!! css_create !!! [ 101.048914][ T425] R10: 0000555556481ba3 R11: 0000000000000246 R12: 00007fe496c931f8 [ 101.056872][ T904] !!! css_create !!! [ 101.056918][ T904] !!! css_create !!! [ 101.056946][ T904] FAULT_INJECTION: forcing a failure. [ 101.056946][ T904] name failslab, interval 1, probability 0, space 0, times 0 [ 101.056959][ T904] CPU: 0 PID: 904 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 101.056965][ T904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.056970][ T904] Call Trace: [ 101.056983][ T904] dump_stack+0x19c/0x1e2 [ 101.057002][ T904] should_fail+0x3f7/0x5b0 [ 101.065750][ T425] R13: 00007fff13b78a70 R14: 0000555556481b00 R15: 00007fff13b78ab0 [ 101.069251][ T904] __should_failslab+0xd2/0x130 [ 101.069262][ T904] should_failslab+0x9/0x20 [ 101.069280][ T904] slab_pre_alloc_hook+0x25/0xe0 [ 101.077518][ T425] ---[ end trace 3a08363c28c4e395 ]--- [ 101.081990][ T904] ? __kernfs_new_node+0x4c/0x6d0 [ 101.082001][ T904] __kmalloc_track_caller+0x70/0x300 [ 101.082010][ T904] ? __kernfs_new_node+0x4c/0x6d0 [ 101.082018][ T904] kstrdup_const+0x55/0x90 [ 101.082027][ T904] __kernfs_new_node+0x4c/0x6d0 [ 101.082035][ T904] ? string+0x29f/0x2b0 [ 101.082052][ T904] ? vsnprintf+0x1a6c/0x1b30 [ 101.196024][ T904] kernfs_new_node+0x97/0x170 [ 101.200686][ T904] __kernfs_create_file+0x4a/0x270 [ 101.205871][ T904] cgroup_addrm_files+0x99e/0xeb0 [ 101.210879][ T904] ? delete_node+0x747/0x7a0 [ 101.215440][ T904] css_populate_dir+0x137/0x370 [ 101.220370][ T904] cgroup_apply_control_enable+0x31e/0xfc0 [ 101.226246][ T904] cgroup_apply_control+0x36/0x710 [ 101.231738][ T904] ? init_wait_entry+0xe0/0xe0 [ 101.236743][ T904] ? cgroup_kn_lock_live+0x1af/0x370 [ 101.242220][ T904] cgroup_subtree_control_write+0xd05/0x12d0 [ 101.248571][ T904] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 101.254571][ T904] cgroup_file_write+0x22f/0x4f0 [ 101.259573][ T904] kernfs_fop_write_iter+0x2cd/0x410 [ 101.265307][ T904] ? cgroup_seqfile_stop+0xc0/0xc0 [ 101.270509][ T904] vfs_write+0xb57/0xe50 [ 101.275007][ T904] ksys_write+0x157/0x260 [ 101.281762][ T904] __x64_sys_write+0x7b/0x90 [ 101.286430][ T904] do_syscall_64+0x34/0x70 [ 101.290822][ T904] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 101.296817][ T904] RIP: 0033:0x7fd11bd980e9 [ 101.301571][ T904] 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 [ 101.323620][ T904] RSP: 002b:00007fd11bced168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 101.332901][ T904] RAX: ffffffffffffffda RBX: 00007fd11beab030 RCX: 00007fd11bd980e9 [ 101.341224][ T904] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 101.350147][ T904] RBP: 00007fd11bced1d0 R08: 0000000000000000 R09: 0000000000000000 [ 101.358098][ T904] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 101.367368][ T904] R13: 00007ffc64020bbf R14: 00007fd11bced300 R15: 0000000000022000 [ 101.377343][ T904] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 101.385055][ T904] !!! cgroup_apply_control_disable [ 101.390340][ T904] !!! cgroup_apply_control_disable kill_css ffff888101cc9400 [ 101.398668][ T904] !!! cgroup_apply_control_disable kill_css ffff888101cca400 [ 101.407058][ T904] !!! cgroup_apply_control_disable kill_css ffff888101ccb000 [ 101.422604][ C0] !!! css_killed_ref_fn css ffff888101cc9400 !!! [ 101.429313][ T107] !!! css_release css ffff888101cc9400 !!! [ 101.435217][ C0] !!! css_killed_ref_fn css ffff888101cca400 !!! [ 101.435227][ C0] !!! css_killed_ref_fn css ffff888101ccb000 !!! [ 101.435231][ C0] !!! css_release css ffff888101ccb000 !!! [ 101.435238][ C0] list_add corruption. prev->next should be next (ffff8881f705b560), but was ffff888101ccb070. (prev=ffff888101ccb070). [ 101.435279][ C0] ------------[ cut here ]------------ [ 101.435282][ C0] kernel BUG at lib/list_debug.c:28! [ 101.435295][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 101.435302][ C0] CPU: 0 PID: 107 Comm: kworker/0:2 Tainted: G W 5.10.119-syzkaller-00165-g1ce0c625d4b9 #0 [ 101.435306][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.435317][ C0] Workqueue: cgroup_destroy css_killed_work_fn [ 101.435329][ C0] RIP: 0010:__list_add_valid+0xde/0xf0 [ 101.435336][ C0] Code: f1 31 c0 e8 a7 cc 1b 02 0f 0b 48 c7 c7 90 44 d6 85 e8 b6 f2 19 00 48 c7 c7 c0 01 03 85 4c 89 f6 4c 89 e1 31 c0 e8 85 cc 1b 02 <0f> 0b 48 c7 c7 a0 44 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 101.435340][ C0] RSP: 0018:ffffc90000007bc0 EFLAGS: 00010046 [ 101.435346][ C0] RAX: 0000000000000075 RBX: ffff8881f705b568 RCX: c14f693ca9dcb300 [ 101.435349][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 101.435353][ C0] RBP: ffffc90000007be8 R08: ffffffff815145c8 R09: fffff52000000f45 [ 101.435357][ C0] R10: fffff52000000f45 R11: 1ffff92000000f44 R12: ffff888101ccb070 [ 101.435361][ C0] R13: dffffc0000000000 R14: ffff8881f705b560 R15: ffff888101ccb070 [ 101.435366][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 101.435370][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.435373][ C0] CR2: 00007fe496cc0e69 CR3: 00000001093c0000 CR4: 00000000003506b0 [ 101.435379][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 101.435383][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 101.435385][ C0] Call Trace: [ 101.435387][ C0] [ 101.435394][ C0] insert_work+0xfc/0x330 [ 101.435401][ C0] __queue_work+0x99e/0xe20 [ 101.435406][ C0] queue_work_on+0xbe/0x110 [ 101.435411][ C0] css_release+0xc0/0xd0 [ 101.435417][ C0] percpu_ref_switch_to_atomic_rcu+0x5be/0x5e0 [ 101.435423][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 101.435428][ C0] rcu_do_batch+0x4ad/0xb00 [ 101.435433][ C0] rcu_core+0x64a/0xdf0 [ 101.435439][ C0] rcu_core_si+0x9/0x10 [ 101.435445][ C0] __do_softirq+0x253/0x67b [ 101.435451][ C0] asm_call_irq_on_stack+0xf/0x20 [ 101.435453][ C0] [ 101.435458][ C0] do_softirq_own_stack+0x60/0x80 [ 101.435464][ C0] __irq_exit_rcu+0x152/0x1e0 [ 101.435469][ C0] irq_exit_rcu+0x9/0x10 [ 101.435474][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 101.435480][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 101.435486][ C0] RIP: 0010:console_unlock+0xae5/0xe80 [ 101.435491][ C0] Code: 00 48 c7 c7 e0 99 45 86 e8 f8 ed 0c 03 f6 c3 01 0f 85 64 03 00 00 e8 ba 64 00 00 48 8b 44 24 18 48 89 44 24 70 ff 74 24 70 9d <48> 8b 44 24 08 42 80 3c 28 00 74 0d 48 8d bc 24 f0 00 00 00 e8 12 [ 101.435494][ C0] RSP: 0018:ffffc90000a87a00 EFLAGS: 00000246 [ 101.435499][ C0] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff888108132dc0 [ 101.435503][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 101.435506][ C0] RBP: ffffc90000a87b48 R08: ffffffff81514141 R09: fffff52000150f38 [ 101.435510][ C0] R10: fffff52000150f38 R11: 1ffff92000150f37 R12: 1ffffffff0bbe745 [ 101.435513][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff85df39f0 [ 101.435519][ C0] ? console_unlock+0xab1/0xe80 [ 101.435526][ C0] ? __kasan_check_write+0x14/0x20 [ 101.435531][ C0] ? _raw_spin_lock_irqsave+0xa2/0x220 [ 101.435537][ C0] ? console_trylock+0xff/0x130 [ 101.435542][ C0] vprintk_emit+0x149/0x340 [ 101.435546][ C0] vprintk_default+0x26/0x30 [ 101.435552][ C0] vprintk_func+0x19d/0x1e0 [ 101.435556][ C0] printk+0x76/0x96 [ 101.435561][ C0] ? css_killed_work_fn+0x374/0x500 [ 101.435566][ C0] css_release+0x2d/0xd0 [ 101.435571][ C0] css_killed_work_fn+0x4b0/0x500 [ 101.435576][ C0] process_one_work+0x711/0xce0 [ 101.435581][ C0] worker_thread+0xb17/0x1540 [ 101.435587][ C0] ? __kthread_parkme+0xba/0x1d0 [ 101.435592][ C0] kthread+0x365/0x400 [ 101.435596][ C0] ? worker_clr_flags+0x180/0x180 [ 101.435601][ C0] ? kthread_blkcg+0xd0/0xd0 [ 101.435606][ C0] ret_from_fork+0x1f/0x30 [ 101.435609][ C0] Modules linked in: [ 101.435615][ C0] ---[ end trace 3a08363c28c4e396 ]--- [ 101.435620][ C0] RIP: 0010:__list_add_valid+0xde/0xf0 [ 101.435625][ C0] Code: f1 31 c0 e8 a7 cc 1b 02 0f 0b 48 c7 c7 90 44 d6 85 e8 b6 f2 19 00 48 c7 c7 c0 01 03 85 4c 89 f6 4c 89 e1 31 c0 e8 85 cc 1b 02 <0f> 0b 48 c7 c7 a0 44 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 101.435629][ C0] RSP: 0018:ffffc90000007bc0 EFLAGS: 00010046 [ 101.435633][ C0] RAX: 0000000000000075 RBX: ffff8881f705b568 RCX: c14f693ca9dcb300 [ 101.435637][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 101.435640][ C0] RBP: ffffc90000007be8 R08: ffffffff815145c8 R09: fffff52000000f45 [ 101.435644][ C0] R10: fffff52000000f45 R11: 1ffff92000000f44 R12: ffff888101ccb070 [ 101.435650][ C0] R13: dffffc0000000000 R14: ffff8881f705b560 R15: ffff888101ccb070 [ 101.435655][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 101.435659][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.435662][ C0] CR2: 00007fe496cc0e69 CR3: 00000001093c0000 CR4: 00000000003506b0 [ 101.435665][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 101.435669][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 101.435672][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 101.435986][ C0] Kernel Offset: disabled [ 101.998896][ C0] Rebooting in 86400 seconds..