[ 20.595351][ C1] !!!! put_css_set_locked css_put(ffff88811f5c7400) [ 20.602276][ C1] !!!! put_css_set_locked css_put(ffff888103b8a800) [ 20.625273][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 20.634161][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 21.010935][ T177] device bridge_slave_1 left promiscuous mode [ 21.017396][ T177] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.025093][ T177] device bridge_slave_0 left promiscuous mode [ 21.031640][ T177] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.385203][ T23] kauditd_printk_skb: 64 callbacks suppressed [ 31.385212][ T23] audit: type=1400 audit(1654549913.630:147): avc: denied { read } for pid=142 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 '10.128.0.27' (ECDSA) to the list of known hosts. 2022/06/06 21:12:00 parsed 1 programs [ 38.380336][ T23] audit: type=1400 audit(1654549920.630:148): avc: denied { mounton } for pid=400 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 38.385444][ T400] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 38.410144][ T400] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 38.416663][ T400] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 38.423334][ T400] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) 2022/06/06 21:12:00 executed programs: 0 [ 38.430006][ T400] cgroup: Unknown subsys name 'net' [ 38.435510][ T400] cgroup: Unknown subsys name 'devices' [ 38.442087][ T400] cgroup: Unknown subsys name 'hugetlb' [ 38.447783][ T400] cgroup: Unknown subsys name 'rlimit' [ 38.453768][ T23] audit: type=1400 audit(1654549920.700:149): avc: denied { mounton } for pid=400 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 38.528012][ T23] audit: type=1400 audit(1654549920.700:150): avc: denied { mount } for pid=400 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 38.551461][ T23] audit: type=1400 audit(1654549920.730:151): avc: denied { mounton } for pid=404 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 [ 38.575561][ T23] audit: type=1400 audit(1654549920.730:152): avc: denied { module_request } for pid=404 comm="syz-executor.2" kmod="netdev-nr2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 38.598567][ T404] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.605784][ T404] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.613425][ T404] device bridge_slave_0 entered promiscuous mode [ 38.620402][ T404] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.627457][ T404] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.634849][ T404] device bridge_slave_1 entered promiscuous mode [ 38.669041][ T408] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.676115][ T408] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.683406][ T408] device bridge_slave_0 entered promiscuous mode [ 38.702858][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.710159][ T410] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.717553][ T410] device bridge_slave_0 entered promiscuous mode [ 38.730892][ T415] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.738248][ T415] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.745886][ T415] device bridge_slave_0 entered promiscuous mode [ 38.753147][ T415] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.760249][ T415] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.767585][ T415] device bridge_slave_1 entered promiscuous mode [ 38.774104][ T408] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.781437][ T408] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.788784][ T408] device bridge_slave_1 entered promiscuous mode [ 38.795337][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.802357][ T410] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.809761][ T410] device bridge_slave_1 entered promiscuous mode [ 38.848821][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.855891][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.863290][ T417] device bridge_slave_0 entered promiscuous mode [ 38.895409][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.902446][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.909988][ T417] device bridge_slave_1 entered promiscuous mode [ 38.951701][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.958916][ T416] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.966431][ T416] device bridge_slave_0 entered promiscuous mode [ 38.975850][ T416] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.982874][ T416] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.990309][ T416] device bridge_slave_1 entered promiscuous mode [ 39.006701][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.013767][ T410] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.021036][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.028070][ T410] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.043099][ T404] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.050155][ T404] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.057413][ T404] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.064469][ T404] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.078551][ T408] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.085813][ T408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.093035][ T408] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.100072][ T408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.155438][ T383] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.162596][ T383] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.170317][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.178558][ T383] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.185821][ T383] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.192955][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.201654][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.210701][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.218914][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.264445][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.273632][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.283140][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.291619][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.299617][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.307890][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.315890][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.323234][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.331493][ T52] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.338517][ T52] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.345870][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.353947][ T52] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.360998][ T52] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.399648][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.408441][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.416832][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.425126][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.433658][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.442455][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.449594][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.457603][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.465876][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.472937][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.480263][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.488153][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.496136][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.504179][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.511231][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.518566][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.526540][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.535335][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.542333][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.549785][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.557658][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.565793][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.572817][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.580192][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.588160][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.596542][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.604042][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.618297][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.626132][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.633907][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.642550][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.652904][ T23] audit: type=1400 audit(1654549921.900:153): avc: denied { mount } for pid=410 comm="syz-executor.3" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 39.653291][ T410] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 39.687048][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.687564][ T410] !!!! cgroup_kn_unlock css_put(ffff88810f838000) [ 39.695556][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.702412][ T410] !!!! cgroup_kn_unlock css_put(ffff88811d268010) [ 39.709953][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.716863][ T410] !!!! put_css_set_locked css_put(ffffffff85fb6820) [ 39.723313][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.729949][ T410] !!!! put_css_set_locked css_put(ffff88811f606800) [ 39.729953][ T410] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 39.729957][ T410] !!!! put_css_set_locked css_put(ffffffff86918540) [ 39.729960][ T410] !!!! put_css_set_locked css_put(ffff88810f83a000) [ 39.729964][ T410] !!!! put_css_set_locked css_put(ffff8881001c6600) [ 39.729967][ T410] !!!! put_css_set_locked css_put(ffff8881001c6a00) [ 39.729971][ T410] !!!! put_css_set_locked css_put(ffff88810f856c00) [ 39.730053][ T410] !!!! cgroup_kn_unlock css_put(ffff88810fc54000) [ 39.797022][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.805290][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.813513][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.822232][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.830849][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.839261][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.851883][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.852422][ T410] !!!! cgroup_kn_unlock css_put(ffff88811d3f8010) [ 39.860439][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.867722][ T415] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 39.875433][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.882279][ T410] !!!! put_css_set_locked css_put(ffff88810fc08400) [ 39.889408][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.895874][ T410] !!!! put_css_set_locked css_put(ffff88811f606800) [ 39.895878][ T410] !!!! put_css_set_locked css_put(ffff88810f62cc00) [ 39.895881][ T410] !!!! put_css_set_locked css_put(ffffffff86918540) [ 39.895885][ T410] !!!! put_css_set_locked css_put(ffff88810f83a000) [ 39.895889][ T410] !!!! put_css_set_locked css_put(ffff8881001c6600) [ 39.895892][ T410] !!!! put_css_set_locked css_put(ffff8881001c6a00) [ 39.895896][ T410] !!!! put_css_set_locked css_put(ffff88810f856c00) [ 39.897166][ T415] !!!! cgroup_kn_unlock css_put(ffff88810fb88000) [ 39.904551][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.910693][ T410] !!!! cgroup_kn_unlock css_put(ffff88810fc50000) [ 39.918173][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.924347][ T415] !!!! cgroup_kn_unlock css_put(ffff88811d268010) [ 39.941005][ T437] !!!! put_css_set_locked css_put(ffff88810fc08400) [ 39.955188][ T23] audit: type=1400 audit(1654549922.190:154): avc: denied { mounton } for pid=436 comm="syz-executor.3" path="/root/syzkaller-testdir1419007638/syzkaller.JUa4IU/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 39.957403][ T437] !!!! put_css_set_locked css_put(ffff88811f606800) [ 39.964636][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.971076][ T437] !!!! put_css_set_locked css_put(ffff88810f62cc00) [ 39.971080][ T437] !!!! put_css_set_locked css_put(ffff88810faecc00) [ 39.971084][ T437] !!!! put_css_set_locked css_put(ffff88810f83a000) [ 39.971087][ T437] !!!! put_css_set_locked css_put(ffff88810f62ce00) [ 39.971091][ T437] !!!! put_css_set_locked css_put(ffff88810f62c800) [ 39.971094][ T437] !!!! put_css_set_locked css_put(ffff88810f856c00) [ 39.971117][ T437] !!!! put_css_set_locked css_put(ffffffff85fb6820) [ 39.982094][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.984850][ T437] !!!! put_css_set_locked css_put(ffff88810ef94200) [ 39.991732][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.018285][ T437] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 40.018289][ T437] !!!! put_css_set_locked css_put(ffffffff86918540) [ 40.018293][ T437] !!!! put_css_set_locked css_put(ffff88810fb8c000) [ 40.018297][ T437] !!!! put_css_set_locked css_put(ffff8881001c6600) [ 40.018301][ T437] !!!! put_css_set_locked css_put(ffff8881001c6a00) [ 40.018314][ T437] !!!! put_css_set_locked css_put(ffff88810fc39c00) [ 40.025206][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.034950][ T437] !!!! control_disable kill_css(ffff888103b8a800) [ 40.040277][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.046647][ T437] !!!! control_disable kill_css(ffff88810f856c00) [ 40.053318][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.060116][ T437] !!!! control_disable kill_css(ffff88810fc39c00) [ 40.066960][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.073609][ T437] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 40.080171][ T415] !!!! put_css_set_locked css_put(ffffffff85fb6820) [ 40.210663][ T415] !!!! put_css_set_locked css_put(ffff88810ef94200) [ 40.217320][ T415] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 40.223997][ T415] !!!! put_css_set_locked css_put(ffffffff86918540) [ 40.230669][ T415] !!!! put_css_set_locked css_put(ffff88810fb8c000) [ 40.237427][ T415] !!!! put_css_set_locked css_put(ffff8881001c6600) [ 40.244073][ T415] !!!! put_css_set_locked css_put(ffff8881001c6a00) [ 40.250818][ T415] !!!! put_css_set_locked css_put(ffff888100126800) [ 40.258191][ T415] !!!! cgroup_kn_unlock css_put(ffff88810fb8e000) [ 40.259773][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.265173][ C1] !!!! css_killed_ref_fn enqueue(ffff888103b8a800) [ 40.278994][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f856c00) [ 40.285630][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fc39c00) [ 40.301418][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.301470][ T383] !!!! css_killed_work_fn css_put(ffff888103b8a800) [ 40.309481][ T415] !!!! cgroup_kn_unlock css_put(ffff88811d3f8010) [ 40.316365][ T383] !!!! css_release enqueue(ffff888103b8a800) [ 40.323047][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.329400][ T404] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 40.337101][ T415] !!!! put_css_set_locked css_put(ffff88810fc3e800) [ 40.349629][ T415] !!!! put_css_set_locked css_put(ffff88810ef94200) [ 40.356409][ T415] !!!! put_css_set_locked css_put(ffff88810eac3a00) [ 40.363956][ T415] !!!! put_css_set_locked css_put(ffffffff86918540) [ 40.370611][ T415] !!!! put_css_set_locked css_put(ffff88810fb8c000) [ 40.377262][ T415] !!!! put_css_set_locked css_put(ffff8881001c6600) [ 40.383934][ T415] !!!! put_css_set_locked css_put(ffff8881001c6a00) [ 40.390586][ T415] !!!! put_css_set_locked css_put(ffff888100126800) [ 40.397657][ T415] !!!! cgroup_kn_unlock css_put(ffff88810fd9e000) [ 40.399087][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.404824][ T383] !!!! css_killed_work_fn css_put(ffff88810f856c00) [ 40.412541][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.425056][ T383] !!!! css_release enqueue(ffff88810f856c00) [ 40.429020][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.433750][ T404] !!!! cgroup_kn_unlock css_put(ffff88810fefe000) [ 40.441545][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.448386][ T383] !!!! css_killed_work_fn css_put(ffff88810fc39c00) [ 40.458371][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.462978][ T383] !!!! css_release enqueue(ffff88810fc39c00) [ 40.471261][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.478013][ T438] FAULT_INJECTION: forcing a failure. [ 40.478013][ T438] name failslab, interval 1, probability 0, space 0, times 1 [ 40.485490][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.498236][ T438] CPU: 1 PID: 438 Comm: syz-executor.3 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 40.506243][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.515947][ T438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.515951][ T438] Call Trace: [ 40.515967][ T438] dump_stack_lvl+0x1e2/0x24b [ 40.515975][ T438] ? panic+0x7d7/0x7d7 [ 40.515984][ T438] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.516001][ T438] ? selinux_kernfs_init_security+0x1a8/0x760 [ 40.557464][ T438] dump_stack+0x15/0x17 [ 40.561600][ T438] should_fail+0x3c0/0x510 [ 40.565998][ T438] __should_failslab+0x9f/0xe0 [ 40.570740][ T438] should_failslab+0x9/0x20 [ 40.575222][ T438] kmem_cache_alloc+0x3f/0x300 [ 40.579963][ T438] ? __kernfs_new_node+0xdb/0x6e0 [ 40.584963][ T438] __kernfs_new_node+0xdb/0x6e0 [ 40.589790][ T438] ? is_module_text_address+0xe1/0x140 [ 40.595221][ T438] ? kernfs_new_node+0x170/0x170 [ 40.600134][ T438] ? ptr_to_hashval+0x60/0x60 [ 40.604791][ T438] ? arch_stack_walk+0xf8/0x140 [ 40.609622][ T438] ? snprintf+0xd6/0x120 [ 40.613839][ T438] kernfs_new_node+0x97/0x170 [ 40.618592][ T438] __kernfs_create_file+0x4a/0x270 [ 40.623684][ T438] cgroup_addrm_files+0xab8/0xfe0 [ 40.628814][ T438] ? ____kasan_kmalloc+0xdc/0x110 [ 40.633829][ T438] ? __kasan_kmalloc+0x9/0x10 [ 40.638481][ T438] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 40.644001][ T438] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 40.650141][ T438] ? delete_node+0x759/0x7b0 [ 40.654721][ T438] ? __kasan_check_read+0x11/0x20 [ 40.659723][ T438] ? delete_node+0x759/0x7b0 [ 40.664304][ T438] ? __kasan_check_write+0x14/0x20 [ 40.669409][ T438] ? idr_replace+0x1c4/0x230 [ 40.673987][ T438] ? idr_get_next+0x4b0/0x4b0 [ 40.678643][ T438] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 40.683647][ T438] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 40.688821][ T438] css_populate_dir+0x137/0x370 [ 40.693647][ T438] cgroup_apply_control_enable+0x8b9/0x12f0 [ 40.699518][ T438] cgroup_apply_control+0x93/0x710 [ 40.704604][ T438] ? css_next_child+0x160/0x160 [ 40.709431][ T438] ? set_next_entity+0xc5/0x390 [ 40.714261][ T438] ? io_schedule+0x120/0x120 [ 40.718831][ T438] ? kernfs_fop_write_iter+0x15e/0x410 [ 40.724268][ T438] ? __kasan_check_write+0x14/0x20 [ 40.729366][ T438] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 40.734630][ T438] cgroup_subtree_control_write+0xd19/0x1310 [ 40.740590][ T438] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.746551][ T438] ? __kasan_check_write+0x14/0x20 [ 40.751790][ T438] ? _copy_from_iter+0x3fb/0xd60 [ 40.756711][ T438] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.762807][ T438] cgroup_file_write+0x28e/0x590 [ 40.767720][ T438] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.772979][ T438] ? mutex_lock+0xa6/0x110 [ 40.777370][ T438] ? mutex_trylock+0xb0/0xb0 [ 40.781946][ T438] ? __kasan_check_write+0x14/0x20 [ 40.787031][ T438] kernfs_fop_write_iter+0x2d0/0x410 [ 40.792304][ T438] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.797396][ T438] vfs_write+0xc1c/0xf40 [ 40.801783][ T438] ? kernel_write+0x3c0/0x3c0 [ 40.806452][ T438] ? mutex_trylock+0xb0/0xb0 [ 40.811041][ T438] ? __fdget_pos+0x26d/0x310 [ 40.815703][ T438] ? ksys_write+0x77/0x2c0 [ 40.820101][ T438] ksys_write+0x198/0x2c0 [ 40.824411][ T438] ? __ia32_sys_read+0x90/0x90 [ 40.829155][ T438] ? debug_smp_processor_id+0x17/0x20 [ 40.834511][ T438] __x64_sys_write+0x7b/0x90 [ 40.839092][ T438] do_syscall_64+0x34/0x70 [ 40.843500][ T438] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.849399][ T438] RIP: 0033:0x7f4cc71690e9 [ 40.853796][ T438] 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 [ 40.873819][ T438] RSP: 002b:00007f4cc70be168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.882217][ T438] RAX: ffffffffffffffda RBX: 00007f4cc727c030 RCX: 00007f4cc71690e9 [ 40.890293][ T438] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.898509][ T438] RBP: 00007f4cc70be1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.906585][ T438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.914631][ T438] R13: 00007ffedd37750f R14: 00007f4cc70be300 R15: 0000000000022000 [ 40.923675][ T23] audit: type=1400 audit(1654549923.180:155): avc: denied { append } for pid=142 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 [ 40.924180][ T438] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.953776][ T438] !!!! control_disable kill_css(ffff88810ea56800) [ 40.960418][ T438] !!!! control_disable kill_css(ffff88810ea55800) [ 40.962628][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.967089][ T438] !!!! control_disable kill_css(ffff88810ea57c00) [ 40.977540][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.981944][ T438] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 40.990747][ T23] audit: type=1400 audit(1654549923.180:156): avc: denied { open } for pid=142 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 [ 40.997312][ T404] !!!! cgroup_kn_unlock css_put(ffff88811d268010) [ 41.019495][ T108] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.028011][ T404] !!!! put_css_set_locked css_put(ffffffff85fb6820) [ 41.032667][ T108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.039315][ T404] !!!! put_css_set_locked css_put(ffff88811f606400) [ 41.039321][ T404] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 41.039325][ T404] !!!! put_css_set_locked css_put(ffffffff86918540) [ 41.039329][ T404] !!!! put_css_set_locked css_put(ffff88810fefa000) [ 41.039332][ T404] !!!! put_css_set_locked css_put(ffff8881001c6600) [ 41.039336][ T404] !!!! put_css_set_locked css_put(ffff8881001c6a00) [ 41.039340][ T404] !!!! put_css_set_locked css_put(ffff888100126800) [ 41.039414][ C1] !!!! css_killed_ref_fn enqueue(ffff88810ea56800) [ 41.047288][ T23] audit: type=1400 audit(1654549923.180:157): avc: denied { getattr } for pid=142 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 [ 41.053304][ C1] !!!! css_killed_ref_fn enqueue(ffff88810ea55800) [ 41.060144][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.071789][ T24] !!!! css_killed_work_fn css_put(ffff88810ea56800) [ 41.076991][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.080233][ C1] !!!! css_killed_ref_fn enqueue(ffff88810ea57c00) [ 41.087337][ T404] !!!! cgroup_kn_unlock css_put(ffff88810ff5c000) [ 41.097143][ T24] !!!! css_release enqueue(ffff88810ea56800) [ 41.105752][ T108] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.123547][ T24] !!!! css_killed_work_fn css_put(ffff88810ea55800) [ 41.129401][ T108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.130234][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.137861][ T24] !!!! css_release enqueue(ffff88810ea55800) [ 41.144737][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.152553][ T24] !!!! css_killed_work_fn css_put(ffff88810ea57c00) [ 41.159545][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.166063][ T24] !!!! css_release enqueue(ffff88810ea57c00) [ 41.172245][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.244004][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.252628][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.261133][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.269465][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.277854][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.286060][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.294144][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.302446][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.317321][ T404] !!!! cgroup_kn_unlock css_put(ffff88811d3f8010) [ 41.317404][ T443] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 41.333180][ T448] FAULT_INJECTION: forcing a failure. [ 41.333180][ T448] name failslab, interval 1, probability 0, space 0, times 0 [ 41.339122][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.347838][ T448] CPU: 1 PID: 448 Comm: syz-executor.5 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 41.354346][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.363484][ T448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.363489][ T448] Call Trace: [ 41.363507][ T448] dump_stack_lvl+0x1e2/0x24b [ 41.363517][ T448] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.363526][ T448] ? selinux_kernfs_init_security+0x1a8/0x760 [ 41.363535][ T448] dump_stack+0x15/0x17 [ 41.363544][ T448] should_fail+0x3c0/0x510 [ 41.363554][ T448] ? __kernfs_new_node+0x99/0x6e0 [ 41.363566][ T448] __should_failslab+0x9f/0xe0 [ 41.363576][ T448] should_failslab+0x9/0x20 [ 41.363585][ T448] __kmalloc_track_caller+0x5f/0x350 [ 41.363607][ T448] kstrdup_const+0x55/0x90 [ 41.372268][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.381691][ T448] __kernfs_new_node+0x99/0x6e0 [ 41.381701][ T448] ? is_module_text_address+0xe1/0x140 [ 41.381709][ T448] ? kernfs_new_node+0x170/0x170 [ 41.381729][ T448] ? ptr_to_hashval+0x60/0x60 [ 41.385300][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.389642][ T448] ? arch_stack_walk+0xf8/0x140 [ 41.389654][ T448] ? snprintf+0xd6/0x120 [ 41.389669][ T448] kernfs_new_node+0x97/0x170 [ 41.395351][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.401163][ T448] __kernfs_create_file+0x4a/0x270 [ 41.401172][ T448] cgroup_addrm_files+0xab8/0xfe0 [ 41.401188][ T448] ? ____kasan_kmalloc+0xdc/0x110 [ 41.405615][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.409716][ T448] ? __kasan_kmalloc+0x9/0x10 [ 41.409725][ T448] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 41.409741][ T448] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 41.415154][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.419668][ T448] ? delete_node+0x759/0x7b0 [ 41.419679][ T448] ? __kasan_check_read+0x11/0x20 [ 41.419693][ T448] ? delete_node+0x759/0x7b0 [ 41.424366][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.429434][ T448] ? __kasan_check_write+0x14/0x20 [ 41.429453][ T448] ? idr_replace+0x1c4/0x230 [ 41.434087][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.441896][ T448] ? idr_get_next+0x4b0/0x4b0 [ 41.441905][ T448] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 41.441912][ T448] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 41.441923][ T448] css_populate_dir+0x137/0x370 [ 41.441939][ T448] cgroup_apply_control_enable+0x8b9/0x12f0 [ 41.603680][ T448] cgroup_apply_control+0x93/0x710 [ 41.608768][ T448] ? css_next_child+0x160/0x160 [ 41.613602][ T448] ? set_next_entity+0xc5/0x390 [ 41.618529][ T448] ? io_schedule+0x120/0x120 [ 41.623240][ T448] ? kernfs_fop_write_iter+0x15e/0x410 [ 41.628693][ T448] ? __kasan_check_write+0x14/0x20 [ 41.633790][ T448] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 41.639051][ T448] cgroup_subtree_control_write+0xd19/0x1310 [ 41.645103][ T448] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.651066][ T448] ? __kasan_check_write+0x14/0x20 [ 41.656159][ T448] ? _copy_from_iter+0x3fb/0xd60 [ 41.661081][ T448] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.667066][ T448] cgroup_file_write+0x28e/0x590 [ 41.671979][ T448] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.677104][ T448] ? mutex_lock+0xa6/0x110 [ 41.681499][ T448] ? mutex_trylock+0xb0/0xb0 [ 41.686066][ T448] ? __kasan_check_write+0x14/0x20 [ 41.691151][ T448] kernfs_fop_write_iter+0x2d0/0x410 [ 41.696613][ T448] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.701701][ T448] vfs_write+0xc1c/0xf40 [ 41.705940][ T448] ? kernel_write+0x3c0/0x3c0 [ 41.710595][ T448] ? mutex_trylock+0xb0/0xb0 [ 41.715172][ T448] ? __fdget_pos+0x26d/0x310 [ 41.719764][ T448] ? ksys_write+0x77/0x2c0 [ 41.724163][ T448] ksys_write+0x198/0x2c0 [ 41.728468][ T448] ? __ia32_sys_read+0x90/0x90 [ 41.733206][ T448] ? debug_smp_processor_id+0x17/0x20 [ 41.738582][ T448] __x64_sys_write+0x7b/0x90 [ 41.743149][ T448] do_syscall_64+0x34/0x70 [ 41.747558][ T448] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.753425][ T448] RIP: 0033:0x7fbe6ae5f0e9 [ 41.757835][ T448] 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 [ 41.777735][ T448] RSP: 002b:00007fbe6adb4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.786141][ T448] RAX: ffffffffffffffda RBX: 00007fbe6af72030 RCX: 00007fbe6ae5f0e9 [ 41.794106][ T448] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.802061][ T448] RBP: 00007fbe6adb41d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.810177][ T448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.818154][ T448] R13: 00007ffc286cadef R14: 00007fbe6adb4300 R15: 0000000000022000 [ 41.832367][ T448] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.839868][ T448] !!!! control_disable kill_css(ffff88811078b800) [ 41.846750][ T448] !!!! control_disable kill_css(ffff88811078bc00) [ 41.853411][ T448] !!!! control_disable kill_css(ffff888110789800) [ 41.860569][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.861144][ T404] !!!! put_css_set_locked css_put(ffff88810fec9000) [ 41.869592][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.875220][ T404] !!!! put_css_set_locked css_put(ffff88811f606400) [ 41.875224][ T404] !!!! put_css_set_locked css_put(ffff88810fc9fa00) [ 41.875229][ T404] !!!! put_css_set_locked css_put(ffffffff86918540) [ 41.875233][ T404] !!!! put_css_set_locked css_put(ffff88810fefa000) [ 41.875237][ T404] !!!! put_css_set_locked css_put(ffff8881001c6600) [ 41.875241][ T404] !!!! put_css_set_locked css_put(ffff8881001c6a00) [ 41.875244][ T404] !!!! put_css_set_locked css_put(ffff888100126800) [ 41.875302][ C1] !!!! css_killed_ref_fn enqueue(ffff88811078b800) [ 41.883819][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.892199][ T448] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 41.897057][ C1] !!!! css_killed_ref_fn enqueue(ffff88811078bc00) [ 41.897904][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.903931][ T404] !!!! cgroup_kn_unlock css_put(ffff8881102be000) [ 41.910479][ C1] !!!! css_killed_ref_fn enqueue(ffff888110789800) [ 41.912858][ T408] !!!! cgroup_kn_unlock css_put(ffff88811f616000) [ 41.920951][ T417] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 41.929804][ T408] !!!! put_css_set_locked css_put(ffffffff85fb6820) [ 41.999876][ T408] !!!! put_css_set_locked css_put(ffff88811f606a00) [ 42.006592][ T408] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 42.013692][ T408] !!!! put_css_set_locked css_put(ffffffff86918540) [ 42.020368][ T408] !!!! put_css_set_locked css_put(ffff888103dde000) [ 42.027123][ T408] !!!! put_css_set_locked css_put(ffff8881001c6600) [ 42.033828][ T408] !!!! put_css_set_locked css_put(ffff8881001c6a00) [ 42.040487][ T408] !!!! put_css_set_locked css_put(ffff888100126800) [ 42.048108][ T408] !!!! cgroup_kn_unlock css_put(ffff88810538c000) [ 42.054654][ T374] !!!! css_killed_work_fn css_put(ffff88811078b800) [ 42.061435][ T374] !!!! css_release enqueue(ffff88811078b800) [ 42.070231][ T417] !!!! cgroup_kn_unlock css_put(ffff888110588000) [ 42.073556][ T408] !!!! put_css_set_locked css_put(ffff88811f619400) [ 42.083617][ T408] !!!! put_css_set_locked css_put(ffff88811f606a00) [ 42.090280][ T408] !!!! put_css_set_locked css_put(ffff88811f5c6c00) [ 42.096929][ T408] !!!! put_css_set_locked css_put(ffffffff86918540) [ 42.103719][ T408] !!!! put_css_set_locked css_put(ffff888103dde000) [ 42.110372][ T408] !!!! put_css_set_locked css_put(ffff8881001c6600) [ 42.117105][ T408] !!!! put_css_set_locked css_put(ffff8881001c6a00) [ 42.123762][ T408] !!!! put_css_set_locked css_put(ffff888100126800) [ 42.131184][ T408] !!!! cgroup_kn_unlock css_put(ffff88810538e000) [ 42.133219][ T416] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 42.138067][ T24] !!!! css_killed_work_fn css_put(ffff88811078bc00) [ 42.152493][ T24] !!!! css_release enqueue(ffff88811078bc00) [ 42.158836][ T417] !!!! cgroup_kn_unlock css_put(ffff88811d268010) [ 42.159592][ T416] !!!! cgroup_kn_unlock css_put(ffff888110bd0000) [ 42.166953][ T374] !!!! css_killed_work_fn css_put(ffff888110789800) [ 42.179469][ T374] !!!! css_release enqueue(ffff888110789800) [ 42.185693][ T455] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 42.192824][ T417] !!!! put_css_set_locked css_put(ffffffff85fb6820) [ 42.194078][ T464] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 42.199502][ T417] !!!! put_css_set_locked css_put(ffff88811f607600) [ 42.199507][ T417] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 42.199512][ T417] !!!! put_css_set_locked css_put(ffffffff86918540) [ 42.199516][ T417] !!!! put_css_set_locked css_put(ffff8881109cc000) [ 42.199520][ T417] !!!! put_css_set_locked css_put(ffff8881001c6600) [ 42.199525][ T417] !!!! put_css_set_locked css_put(ffff8881001c6a00) [ 42.199528][ T417] !!!! put_css_set_locked css_put(ffff888100126800) [ 42.200154][ T417] !!!! cgroup_kn_unlock css_put(ffff8881109ce000) [ 42.206761][ T462] FAULT_INJECTION: forcing a failure. [ 42.206761][ T462] name failslab, interval 1, probability 0, space 0, times 0 [ 42.273171][ T462] CPU: 1 PID: 462 Comm: syz-executor.2 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 42.283314][ T462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.293358][ T462] Call Trace: [ 42.296636][ T462] dump_stack_lvl+0x1e2/0x24b [ 42.301297][ T462] ? panic+0x7d7/0x7d7 [ 42.305615][ T462] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.311063][ T462] ? selinux_kernfs_init_security+0x1a8/0x760 [ 42.317112][ T462] dump_stack+0x15/0x17 [ 42.321247][ T462] should_fail+0x3c0/0x510 [ 42.325644][ T462] __should_failslab+0x9f/0xe0 [ 42.330414][ T462] should_failslab+0x9/0x20 [ 42.334897][ T462] kmem_cache_alloc+0x3f/0x300 [ 42.339645][ T462] ? __kernfs_new_node+0xdb/0x6e0 [ 42.344737][ T462] __kernfs_new_node+0xdb/0x6e0 [ 42.349608][ T462] ? is_module_text_address+0xe1/0x140 [ 42.355130][ T462] ? kernfs_new_node+0x170/0x170 [ 42.360056][ T462] ? ptr_to_hashval+0x60/0x60 [ 42.364724][ T462] ? arch_stack_walk+0xf8/0x140 [ 42.369651][ T462] ? snprintf+0xd6/0x120 [ 42.373874][ T462] kernfs_new_node+0x97/0x170 [ 42.378535][ T462] __kernfs_create_file+0x4a/0x270 [ 42.383628][ T462] cgroup_addrm_files+0xab8/0xfe0 [ 42.388631][ T462] ? ____kasan_kmalloc+0xdc/0x110 [ 42.393635][ T462] ? __kasan_kmalloc+0x9/0x10 [ 42.398289][ T462] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 42.403813][ T462] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 42.409964][ T462] ? delete_node+0x759/0x7b0 [ 42.414550][ T462] ? __kasan_check_read+0x11/0x20 [ 42.419574][ T462] ? delete_node+0x759/0x7b0 [ 42.424230][ T462] ? __kasan_check_write+0x14/0x20 [ 42.429320][ T462] ? idr_replace+0x1c4/0x230 [ 42.433891][ T462] ? idr_get_next+0x4b0/0x4b0 [ 42.438549][ T462] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 42.443564][ T462] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 42.448748][ T462] css_populate_dir+0x137/0x370 [ 42.453582][ T462] cgroup_apply_control_enable+0x8b9/0x12f0 [ 42.459457][ T462] cgroup_apply_control+0x93/0x710 [ 42.464633][ T462] ? css_next_child+0x160/0x160 [ 42.469469][ T462] ? set_next_entity+0xc5/0x390 [ 42.474300][ T462] ? io_schedule+0x120/0x120 [ 42.478869][ T462] ? kernfs_fop_write_iter+0x15e/0x410 [ 42.484306][ T462] ? __kasan_check_write+0x14/0x20 [ 42.489397][ T462] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 42.494689][ T462] cgroup_subtree_control_write+0xd19/0x1310 [ 42.500671][ T462] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.506631][ T462] ? __kasan_check_write+0x14/0x20 [ 42.511725][ T462] ? _copy_from_iter+0x3fb/0xd60 [ 42.516641][ T462] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.522612][ T462] cgroup_file_write+0x28e/0x590 [ 42.527529][ T462] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.532708][ T462] ? mutex_lock+0xa6/0x110 [ 42.537278][ T462] ? mutex_trylock+0xb0/0xb0 [ 42.541851][ T462] ? __kasan_check_write+0x14/0x20 [ 42.546941][ T462] kernfs_fop_write_iter+0x2d0/0x410 [ 42.552205][ T462] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.557300][ T462] vfs_write+0xc1c/0xf40 [ 42.561525][ T462] ? kernel_write+0x3c0/0x3c0 [ 42.566353][ T462] ? mutex_trylock+0xb0/0xb0 [ 42.570923][ T462] ? __fdget_pos+0x26d/0x310 [ 42.575508][ T462] ? ksys_write+0x77/0x2c0 [ 42.579903][ T462] ksys_write+0x198/0x2c0 [ 42.584213][ T462] ? __ia32_sys_read+0x90/0x90 [ 42.588952][ T462] ? debug_smp_processor_id+0x17/0x20 [ 42.594301][ T462] __x64_sys_write+0x7b/0x90 [ 42.598875][ T462] do_syscall_64+0x34/0x70 [ 42.603268][ T462] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.609136][ T462] RIP: 0033:0x7f15d160b0e9 [ 42.613530][ T462] 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 [ 42.633123][ T462] RSP: 002b:00007f15d1560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.641519][ T462] RAX: ffffffffffffffda RBX: 00007f15d171e030 RCX: 00007f15d160b0e9 [ 42.649470][ T462] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.657423][ T462] RBP: 00007f15d15601d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.665371][ T462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.673325][ T462] R13: 00007ffe7940488f R14: 00007f15d1560300 R15: 0000000000022000 [ 42.683526][ T462] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.696141][ T462] !!!! control_disable kill_css(ffff888110e1dc00) [ 42.702769][ T462] !!!! control_disable kill_css(ffff888110e1c400) [ 42.709549][ T462] !!!! control_disable kill_css(ffff888110e1c000) [ 42.716736][ T416] !!!! cgroup_kn_unlock css_put(ffff88811d268010) [ 42.716771][ T462] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 42.723576][ T417] !!!! cgroup_kn_unlock css_put(ffff88811d3f8010) [ 42.732236][ T416] !!!! put_css_set_locked css_put(ffffffff85fb6820) [ 42.736296][ C0] !!!! css_killed_ref_fn enqueue(ffff888110e1dc00) [ 42.742920][ T416] !!!! put_css_set_locked css_put(ffff88810ef94a00) [ 42.756135][ T416] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 42.762781][ T416] !!!! put_css_set_locked css_put(ffffffff86918540) [ 42.769430][ T416] !!!! put_css_set_locked css_put(ffff888110bd4000) [ 42.776084][ T416] !!!! put_css_set_locked css_put(ffff8881001c6600) [ 42.782726][ T416] !!!! put_css_set_locked css_put(ffff8881001c6a00) [ 42.789376][ T416] !!!! put_css_set_locked css_put(ffff888100126800) [ 42.799625][ T416] !!!! cgroup_kn_unlock css_put(ffff888110de4000) [ 42.801171][ T453] !!!! css_killed_work_fn css_put(ffff888110e1dc00) [ 42.806163][ C0] !!!! css_killed_ref_fn enqueue(ffff888110e1c400) [ 42.819471][ T453] !!!! css_release enqueue(ffff888110e1dc00) [ 42.826313][ T417] !!!! put_css_set_locked css_put(ffff88811099c400) [ 42.832984][ T417] !!!! put_css_set_locked css_put(ffff88811f607600) [ 42.839632][ T417] !!!! put_css_set_locked css_put(ffff88811019de00) [ 42.846299][ T417] !!!! put_css_set_locked css_put(ffffffff86918540) [ 42.852956][ T417] !!!! put_css_set_locked css_put(ffff8881109cc000) [ 42.859613][ T417] !!!! put_css_set_locked css_put(ffff8881001c6600) [ 42.866276][ T417] !!!! put_css_set_locked css_put(ffff8881001c6a00) [ 42.872942][ T417] !!!! put_css_set_locked css_put(ffff888100126800) [ 42.880003][ C0] !!!! css_killed_ref_fn enqueue(ffff888110e1c000) [ 42.886755][ T417] !!!! cgroup_kn_unlock css_put(ffff888110de0000) [ 42.893674][ T416] !!!! cgroup_kn_unlock css_put(ffff88811d3f8010) [ 42.894710][ T434] !!!! css_killed_work_fn css_put(ffff888110e1c400) [ 42.906996][ T434] !!!! css_release enqueue(ffff888110e1c400) [ 42.913357][ T434] !!!! css_killed_work_fn css_put(ffff888110e1c000) [ 42.920092][ T434] !!!! css_release enqueue(ffff888110e1c000) [ 42.926512][ T464] FAULT_INJECTION: forcing a failure. [ 42.926512][ T464] name failslab, interval 1, probability 0, space 0, times 0 [ 42.939505][ T464] CPU: 1 PID: 464 Comm: syz-executor.0 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 42.949650][ T464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.959809][ T464] Call Trace: [ 42.963098][ T464] dump_stack_lvl+0x1e2/0x24b [ 42.967790][ T464] ? panic+0x7d7/0x7d7 [ 42.971840][ T464] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.977293][ T464] ? selinux_kernfs_init_security+0x1a8/0x760 [ 42.983371][ T464] dump_stack+0x15/0x17 [ 42.987513][ T464] should_fail+0x3c0/0x510 [ 42.991960][ T464] __should_failslab+0x9f/0xe0 [ 42.996717][ T464] should_failslab+0x9/0x20 [ 43.001216][ T464] kmem_cache_alloc+0x3f/0x300 [ 43.005966][ T464] ? __kernfs_new_node+0xdb/0x6e0 [ 43.010964][ T464] __kernfs_new_node+0xdb/0x6e0 [ 43.015794][ T464] ? is_module_text_address+0xe1/0x140 [ 43.021223][ T464] ? kernfs_new_node+0x170/0x170 [ 43.026222][ T464] ? ptr_to_hashval+0x60/0x60 [ 43.030966][ T464] ? arch_stack_walk+0xf8/0x140 [ 43.035793][ T464] ? snprintf+0xd6/0x120 [ 43.040013][ T464] kernfs_new_node+0x97/0x170 [ 43.044680][ T464] __kernfs_create_file+0x4a/0x270 [ 43.049765][ T464] cgroup_addrm_files+0xab8/0xfe0 [ 43.054795][ T464] ? ____kasan_kmalloc+0xdc/0x110 [ 43.059793][ T464] ? __kasan_kmalloc+0x9/0x10 [ 43.064466][ T464] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 43.069987][ T464] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 43.076127][ T464] ? delete_node+0x759/0x7b0 [ 43.080785][ T464] ? __kasan_check_read+0x11/0x20 [ 43.085903][ T464] ? delete_node+0x759/0x7b0 [ 43.090507][ T464] ? __kasan_check_write+0x14/0x20 [ 43.095867][ T464] ? idr_replace+0x1c4/0x230 [ 43.100464][ T464] ? idr_get_next+0x4b0/0x4b0 [ 43.105129][ T464] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 43.110152][ T464] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 43.115328][ T464] css_populate_dir+0x137/0x370 [ 43.120153][ T464] cgroup_apply_control_enable+0x8b9/0x12f0 [ 43.126028][ T464] cgroup_apply_control+0x93/0x710 [ 43.131175][ T464] ? css_next_child+0x160/0x160 [ 43.136022][ T464] ? io_schedule+0x120/0x120 [ 43.140605][ T464] ? kernfs_fop_write_iter+0x15e/0x410 [ 43.146209][ T464] ? __kasan_check_write+0x14/0x20 [ 43.151310][ T464] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.156575][ T464] cgroup_subtree_control_write+0xd19/0x1310 [ 43.162527][ T464] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.168494][ T464] ? __kasan_check_write+0x14/0x20 [ 43.173608][ T464] ? _copy_from_iter+0x3fb/0xd60 [ 43.178635][ T464] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.184616][ T464] cgroup_file_write+0x28e/0x590 [ 43.189546][ T464] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.194666][ T464] ? mutex_lock+0xa6/0x110 [ 43.199082][ T464] ? mutex_trylock+0xb0/0xb0 [ 43.203656][ T464] ? __kasan_check_write+0x14/0x20 [ 43.208750][ T464] kernfs_fop_write_iter+0x2d0/0x410 [ 43.214201][ T464] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.219305][ T464] vfs_write+0xc1c/0xf40 [ 43.223558][ T464] ? kernel_write+0x3c0/0x3c0 [ 43.228221][ T464] ? mutex_trylock+0xb0/0xb0 [ 43.232797][ T464] ? __fdget_pos+0x26d/0x310 [ 43.237386][ T464] ? ksys_write+0x77/0x2c0 [ 43.241779][ T464] ksys_write+0x198/0x2c0 [ 43.246207][ T464] ? __ia32_sys_read+0x90/0x90 [ 43.251284][ T464] ? debug_smp_processor_id+0x17/0x20 [ 43.256723][ T464] __x64_sys_write+0x7b/0x90 [ 43.261302][ T464] do_syscall_64+0x34/0x70 [ 43.265718][ T464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.271599][ T464] RIP: 0033:0x7fec00a830e9 [ 43.276007][ T464] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.295684][ T464] RSP: 002b:00007fec009f9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.304076][ T464] RAX: ffffffffffffffda RBX: 00007fec00b95f60 RCX: 00007fec00a830e9 [ 43.312148][ T464] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.320214][ T464] RBP: 00007fec009f91d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.328162][ T464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.336110][ T464] R13: 00007ffef8d43f0f R14: 00007fec009f9300 R15: 0000000000022000 [ 43.349810][ T464] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.356947][ T464] !!!! control_disable kill_css(ffff888111472400) [ 43.364111][ T464] !!!! control_disable kill_css(ffff888111472c00) [ 43.370926][ T464] !!!! control_disable kill_css(ffff888111470c00) [ 43.377756][ T464] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 43.377885][ T416] !!!! put_css_set_locked css_put(ffff888122015400) [ 43.390988][ T416] !!!! put_css_set_locked css_put(ffff88810ef94a00) [ 43.395155][ C1] !!!! css_killed_ref_fn enqueue(ffff888111472400) [ 43.397633][ T416] !!!! put_css_set_locked css_put(ffff88810fa7d400) [ 43.397638][ T416] !!!! put_css_set_locked css_put(ffffffff86918540) [ 43.397642][ T416] !!!! put_css_set_locked css_put(ffff888110bd4000) [ 43.397647][ T416] !!!! put_css_set_locked css_put(ffff8881001c6600) [ 43.397659][ T416] !!!! put_css_set_locked css_put(ffff8881001c6a00) [ 43.437543][ T416] !!!! put_css_set_locked css_put(ffff888100126800) [ 43.444507][ T416] !!!! cgroup_kn_unlock css_put(ffff888110e26000) [ 43.451302][ T24] !!!! css_killed_work_fn css_put(ffff888111472400) [ 43.458036][ C1] !!!! css_killed_ref_fn enqueue(ffff888111472c00) [ 43.458055][ C1] !!!! css_killed_ref_fn enqueue(ffff888111470c00) [ 43.471265][ T24] !!!! css_release enqueue(ffff888111472400) [ 43.479229][ T24] !!!! css_killed_work_fn css_put(ffff888111472c00) [ 43.486249][ T24] !!!! css_release enqueue(ffff888111472c00) [ 43.492462][ T374] !!!! css_killed_work_fn css_put(ffff888111470c00) [ 43.499426][ T374] !!!! css_release enqueue(ffff888111470c00) [ 43.506223][ T478] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 43.506254][ T457] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 43.512841][ T475] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 43.519714][ T480] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 43.526183][ T478] FAULT_INJECTION: forcing a failure. [ 43.526183][ T478] name failslab, interval 1, probability 0, space 0, times 0 [ 43.544986][ T478] CPU: 0 PID: 478 Comm: syz-executor.4 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 43.555224][ T478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.565271][ T478] Call Trace: [ 43.568629][ T478] dump_stack_lvl+0x1e2/0x24b [ 43.573296][ T478] ? panic+0x7d7/0x7d7 [ 43.577355][ T478] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.582802][ T478] ? selinux_kernfs_init_security+0x1a8/0x760 [ 43.588850][ T478] dump_stack+0x15/0x17 [ 43.593007][ T478] should_fail+0x3c0/0x510 [ 43.597416][ T478] __should_failslab+0x9f/0xe0 [ 43.602154][ T478] should_failslab+0x9/0x20 [ 43.606649][ T478] kmem_cache_alloc+0x3f/0x300 [ 43.611586][ T478] ? __kernfs_new_node+0xdb/0x6e0 [ 43.616599][ T478] __kernfs_new_node+0xdb/0x6e0 [ 43.621425][ T478] ? is_module_text_address+0xe1/0x140 [ 43.626857][ T478] ? kernfs_new_node+0x170/0x170 [ 43.631767][ T478] ? ptr_to_hashval+0x60/0x60 [ 43.636426][ T478] ? arch_stack_walk+0xf8/0x140 [ 43.641272][ T478] ? snprintf+0xd6/0x120 [ 43.645532][ T478] kernfs_new_node+0x97/0x170 [ 43.650241][ T478] __kernfs_create_file+0x4a/0x270 [ 43.655351][ T478] cgroup_addrm_files+0xab8/0xfe0 [ 43.660502][ T478] ? ____kasan_kmalloc+0xdc/0x110 [ 43.665629][ T478] ? __kasan_kmalloc+0x9/0x10 [ 43.670296][ T478] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 43.675838][ T478] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 43.682075][ T478] ? delete_node+0x759/0x7b0 [ 43.686828][ T478] ? __kasan_check_read+0x11/0x20 [ 43.691891][ T478] ? delete_node+0x759/0x7b0 [ 43.696467][ T478] ? __kasan_check_write+0x14/0x20 [ 43.701671][ T478] ? idr_replace+0x1c4/0x230 [ 43.706256][ T478] ? idr_get_next+0x4b0/0x4b0 [ 43.710917][ T478] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 43.715920][ T478] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 43.721181][ T478] css_populate_dir+0x137/0x370 [ 43.726018][ T478] cgroup_apply_control_enable+0x8b9/0x12f0 [ 43.731895][ T478] cgroup_apply_control+0x93/0x710 [ 43.737005][ T478] ? css_next_child+0x160/0x160 [ 43.741855][ T478] ? io_schedule+0x120/0x120 [ 43.746421][ T478] ? kernfs_fop_write_iter+0x15e/0x410 [ 43.751861][ T478] ? __kasan_check_write+0x14/0x20 [ 43.756948][ T478] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.762214][ T478] cgroup_subtree_control_write+0xd19/0x1310 [ 43.768186][ T478] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.774157][ T478] ? __kasan_check_write+0x14/0x20 [ 43.779249][ T478] ? _copy_from_iter+0x3fb/0xd60 [ 43.784170][ T478] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.790134][ T478] cgroup_file_write+0x28e/0x590 [ 43.795062][ T478] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.800152][ T478] ? mutex_lock+0xa6/0x110 [ 43.804544][ T478] ? mutex_trylock+0xb0/0xb0 [ 43.809109][ T478] ? __kasan_check_write+0x14/0x20 [ 43.814196][ T478] kernfs_fop_write_iter+0x2d0/0x410 [ 43.819501][ T478] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.824595][ T478] vfs_write+0xc1c/0xf40 [ 43.828823][ T478] ? kernel_write+0x3c0/0x3c0 [ 43.833488][ T478] ? mutex_trylock+0xb0/0xb0 [ 43.838066][ T478] ? __fdget_pos+0x26d/0x310 [ 43.842661][ T478] ? ksys_write+0x77/0x2c0 [ 43.847063][ T478] ksys_write+0x198/0x2c0 [ 43.851471][ T478] ? __ia32_sys_read+0x90/0x90 [ 43.856213][ T478] ? debug_smp_processor_id+0x17/0x20 [ 43.861564][ T478] __x64_sys_write+0x7b/0x90 [ 43.866142][ T478] do_syscall_64+0x34/0x70 [ 43.870554][ T478] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.876535][ T478] RIP: 0033:0x7f7a7b2580e9 [ 43.880930][ 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 [ 43.900706][ T478] RSP: 002b:00007f7a7b1ce168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.909183][ T478] RAX: ffffffffffffffda RBX: 00007f7a7b36af60 RCX: 00007f7a7b2580e9 [ 43.917133][ T478] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.925093][ T478] RBP: 00007f7a7b1ce1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.933042][ T478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.940992][ T478] R13: 00007fff224d077f R14: 00007f7a7b1ce300 R15: 0000000000022000 [ 43.951495][ T478] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.958921][ T478] !!!! control_disable kill_css(ffff888110fb0c00) [ 43.966154][ T478] !!!! control_disable kill_css(ffff888110fb0800) 2022/06/06 21:12:06 executed programs: 17 [ 43.972680][ T478] !!!! control_disable kill_css(ffff888110fb3800) [ 43.979453][ T478] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 44.015195][ C0] !!!! css_killed_ref_fn enqueue(ffff888110fb0c00) [ 44.021833][ C0] !!!! css_killed_ref_fn enqueue(ffff888110fb0800) [ 44.028440][ C0] !!!! css_killed_ref_fn enqueue(ffff888110fb3800) [ 44.035316][ T5] !!!! css_killed_work_fn css_put(ffff888110fb0c00) [ 44.042445][ T5] !!!! css_release enqueue(ffff888110fb0c00) [ 44.049272][ T5] !!!! css_killed_work_fn css_put(ffff888110fb0800) [ 44.056127][ T5] !!!! css_release enqueue(ffff888110fb0800) [ 44.062452][ T5] !!!! css_killed_work_fn css_put(ffff888110fb3800) [ 44.069329][ T5] !!!! css_release enqueue(ffff888110fb3800) [ 44.075520][ T485] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 44.075535][ T488] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 44.082267][ T490] FAULT_INJECTION: forcing a failure. [ 44.082267][ T490] name failslab, interval 1, probability 0, space 0, times 0 [ 44.101248][ T490] CPU: 1 PID: 490 Comm: syz-executor.1 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 44.111383][ T490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.121502][ T490] Call Trace: [ 44.124787][ T490] dump_stack_lvl+0x1e2/0x24b [ 44.129444][ T490] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.135451][ T490] ? selinux_kernfs_init_security+0x1a8/0x760 [ 44.141495][ T490] dump_stack+0x15/0x17 [ 44.145637][ T490] should_fail+0x3c0/0x510 [ 44.150044][ T490] ? __kernfs_new_node+0x99/0x6e0 [ 44.155055][ T490] __should_failslab+0x9f/0xe0 [ 44.160185][ T490] should_failslab+0x9/0x20 [ 44.164682][ T490] __kmalloc_track_caller+0x5f/0x350 [ 44.169955][ T490] kstrdup_const+0x55/0x90 [ 44.174353][ T490] __kernfs_new_node+0x99/0x6e0 [ 44.179271][ T490] ? is_module_text_address+0xe1/0x140 [ 44.184902][ T490] ? kernfs_new_node+0x170/0x170 [ 44.189834][ T490] ? ptr_to_hashval+0x60/0x60 [ 44.194595][ T490] ? arch_stack_walk+0xf8/0x140 [ 44.199453][ T490] ? snprintf+0xd6/0x120 [ 44.203713][ T490] kernfs_new_node+0x97/0x170 [ 44.208384][ T490] __kernfs_create_file+0x4a/0x270 [ 44.213506][ T490] cgroup_addrm_files+0xab8/0xfe0 [ 44.218519][ T490] ? ____kasan_kmalloc+0xdc/0x110 [ 44.223540][ T490] ? __kasan_kmalloc+0x9/0x10 [ 44.228204][ T490] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 44.233745][ T490] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 44.239983][ T490] ? delete_node+0x759/0x7b0 [ 44.244581][ T490] ? __kasan_check_read+0x11/0x20 [ 44.249690][ T490] ? delete_node+0x759/0x7b0 [ 44.254351][ T490] ? __kasan_check_write+0x14/0x20 [ 44.259461][ T490] ? idr_replace+0x1c4/0x230 [ 44.264067][ T490] ? idr_get_next+0x4b0/0x4b0 [ 44.268736][ T490] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 44.273755][ T490] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 44.278934][ T490] css_populate_dir+0x137/0x370 [ 44.283783][ T490] cgroup_apply_control_enable+0x8b9/0x12f0 [ 44.289813][ T490] cgroup_apply_control+0x93/0x710 [ 44.294918][ T490] ? css_next_child+0x160/0x160 [ 44.299765][ T490] ? set_next_entity+0xc5/0x390 [ 44.304612][ T490] ? io_schedule+0x120/0x120 [ 44.309192][ T490] ? kernfs_fop_write_iter+0x15e/0x410 [ 44.314641][ T490] ? __kasan_check_write+0x14/0x20 [ 44.319885][ T490] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.325161][ T490] cgroup_subtree_control_write+0xd19/0x1310 [ 44.331180][ T490] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.337161][ T490] ? __kasan_check_write+0x14/0x20 [ 44.342257][ T490] ? _copy_from_iter+0x3fb/0xd60 [ 44.347179][ T490] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.353165][ T490] cgroup_file_write+0x28e/0x590 [ 44.358216][ T490] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.363317][ T490] ? mutex_lock+0xa6/0x110 [ 44.367734][ T490] ? mutex_trylock+0xb0/0xb0 [ 44.372319][ T490] ? __kasan_check_write+0x14/0x20 [ 44.377438][ T490] kernfs_fop_write_iter+0x2d0/0x410 [ 44.382846][ T490] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.387947][ T490] vfs_write+0xc1c/0xf40 [ 44.392172][ T490] ? kernel_write+0x3c0/0x3c0 [ 44.396839][ T490] ? mutex_trylock+0xb0/0xb0 [ 44.401465][ T490] ? __fdget_pos+0x26d/0x310 [ 44.406036][ T490] ? ksys_write+0x77/0x2c0 [ 44.410450][ T490] ksys_write+0x198/0x2c0 [ 44.414777][ T490] ? __ia32_sys_read+0x90/0x90 [ 44.419519][ T490] ? debug_smp_processor_id+0x17/0x20 [ 44.424870][ T490] __x64_sys_write+0x7b/0x90 [ 44.429445][ T490] do_syscall_64+0x34/0x70 [ 44.433872][ T490] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.439771][ T490] RIP: 0033:0x7fb32eb200e9 [ 44.444178][ T490] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.463768][ T490] RSP: 002b:00007fb32ea75168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.472164][ T490] RAX: ffffffffffffffda RBX: 00007fb32ec33030 RCX: 00007fb32eb200e9 [ 44.480118][ T490] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.488103][ T490] RBP: 00007fb32ea751d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.496066][ T490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.504115][ T490] R13: 00007fffc31d6daf R14: 00007fb32ea75300 R15: 0000000000022000 [ 44.512648][ T490] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.519999][ T490] !!!! control_disable kill_css(ffff888111ad9400) [ 44.526590][ T490] !!!! control_disable kill_css(ffff888122089400) [ 44.533142][ T490] !!!! control_disable kill_css(ffff888122089000) [ 44.539809][ T490] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 44.565216][ C1] !!!! css_killed_ref_fn enqueue(ffff888111ad9400) [ 44.572019][ C1] !!!! css_killed_ref_fn enqueue(ffff888122089400) [ 44.578791][ T374] !!!! css_killed_work_fn css_put(ffff888111ad9400) [ 44.585474][ T374] !!!! css_release enqueue(ffff888111ad9400) [ 44.591538][ T374] !!!! css_killed_work_fn css_put(ffff888122089400) [ 44.598222][ C1] !!!! css_killed_ref_fn enqueue(ffff888122089000) [ 44.605292][ T374] !!!! css_release enqueue(ffff888122089400) [ 44.611566][ T374] !!!! css_killed_work_fn css_put(ffff888122089000) [ 44.618622][ T374] !!!! css_release enqueue(ffff888122089000) [ 44.624811][ T482] FAULT_INJECTION: forcing a failure. [ 44.624811][ T482] name failslab, interval 1, probability 0, space 0, times 0 [ 44.637659][ T482] CPU: 1 PID: 482 Comm: syz-executor.0 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 44.647796][ T482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.657834][ T482] Call Trace: [ 44.661126][ T482] dump_stack_lvl+0x1e2/0x24b [ 44.665799][ T482] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.671236][ T482] ? selinux_kernfs_init_security+0x1a8/0x760 [ 44.677280][ T482] dump_stack+0x15/0x17 [ 44.681411][ T482] should_fail+0x3c0/0x510 [ 44.685804][ T482] ? __kernfs_new_node+0x99/0x6e0 [ 44.690824][ T482] __should_failslab+0x9f/0xe0 [ 44.695580][ T482] should_failslab+0x9/0x20 [ 44.700059][ T482] __kmalloc_track_caller+0x5f/0x350 [ 44.705318][ T482] kstrdup_const+0x55/0x90 [ 44.709722][ T482] __kernfs_new_node+0x99/0x6e0 [ 44.714551][ T482] ? is_module_text_address+0xe1/0x140 [ 44.719995][ T482] ? kernfs_new_node+0x170/0x170 [ 44.724916][ T482] ? ptr_to_hashval+0x60/0x60 [ 44.729570][ T482] ? arch_stack_walk+0xf8/0x140 [ 44.734429][ T482] ? snprintf+0xd6/0x120 [ 44.738663][ T482] kernfs_new_node+0x97/0x170 [ 44.743317][ T482] __kernfs_create_file+0x4a/0x270 [ 44.748404][ T482] cgroup_addrm_files+0xab8/0xfe0 [ 44.753425][ T482] ? ____kasan_kmalloc+0xdc/0x110 [ 44.758432][ T482] ? __kasan_kmalloc+0x9/0x10 [ 44.763097][ T482] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 44.768629][ T482] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 44.774880][ T482] ? delete_node+0x759/0x7b0 [ 44.779462][ T482] ? __kasan_check_read+0x11/0x20 [ 44.784467][ T482] ? delete_node+0x759/0x7b0 [ 44.789049][ T482] ? __kasan_check_write+0x14/0x20 [ 44.794227][ T482] ? idr_replace+0x1c4/0x230 [ 44.798814][ T482] ? idr_get_next+0x4b0/0x4b0 [ 44.803536][ T482] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 44.808549][ T482] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 44.813754][ T482] css_populate_dir+0x137/0x370 [ 44.818588][ T482] cgroup_apply_control_enable+0x8b9/0x12f0 [ 44.824549][ T482] cgroup_apply_control+0x93/0x710 [ 44.829690][ T482] ? css_next_child+0x160/0x160 [ 44.834623][ T482] ? io_schedule+0x120/0x120 [ 44.839226][ T482] ? kernfs_fop_write_iter+0x15e/0x410 [ 44.844757][ T482] ? __kasan_check_write+0x14/0x20 [ 44.849940][ T482] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.855215][ T482] cgroup_subtree_control_write+0xd19/0x1310 [ 44.861200][ T482] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.867245][ T482] ? __kasan_check_write+0x14/0x20 [ 44.872454][ T482] ? _copy_from_iter+0x3fb/0xd60 [ 44.877488][ T482] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.883601][ T482] cgroup_file_write+0x28e/0x590 [ 44.888527][ T482] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.893616][ T482] ? mutex_lock+0xa6/0x110 [ 44.898117][ T482] ? mutex_trylock+0xb0/0xb0 [ 44.902710][ T482] ? __kasan_check_write+0x14/0x20 [ 44.908062][ T482] kernfs_fop_write_iter+0x2d0/0x410 [ 44.913335][ T482] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.918429][ T482] vfs_write+0xc1c/0xf40 [ 44.922666][ T482] ? kernel_write+0x3c0/0x3c0 [ 44.927324][ T482] ? mutex_trylock+0xb0/0xb0 [ 44.931911][ T482] ? __fdget_pos+0x26d/0x310 [ 44.936489][ T482] ? ksys_write+0x77/0x2c0 [ 44.940889][ T482] ksys_write+0x198/0x2c0 [ 44.945216][ T482] ? __ia32_sys_read+0x90/0x90 [ 44.949987][ T482] ? debug_smp_processor_id+0x17/0x20 [ 44.955538][ T482] __x64_sys_write+0x7b/0x90 [ 44.960108][ T482] do_syscall_64+0x34/0x70 [ 44.964506][ T482] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.970477][ T482] RIP: 0033:0x7fec00a830e9 [ 44.974884][ T482] 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 [ 44.994467][ T482] RSP: 002b:00007fec009d8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.002858][ T482] RAX: ffffffffffffffda RBX: 00007fec00b96030 RCX: 00007fec00a830e9 [ 45.010832][ T482] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.018869][ T482] RBP: 00007fec009d81d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.026834][ T482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.034786][ T482] R13: 00007ffef8d43f0f R14: 00007fec009d8300 R15: 0000000000022000 [ 45.043156][ T482] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.046870][ T23] audit: type=1400 audit(1654549927.290:158): avc: denied { remove_name } for pid=142 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 [ 45.050617][ T482] !!!! control_disable kill_css(ffff8881220ae400) [ 45.072810][ T23] audit: type=1400 audit(1654549927.290:159): avc: denied { rename } for pid=142 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 [ 45.079331][ T482] !!!! control_disable kill_css(ffff8881220aec00) [ 45.101534][ T23] audit: type=1400 audit(1654549927.290:160): avc: denied { create } for pid=142 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 45.108099][ T482] !!!! control_disable kill_css(ffff8881220acc00) [ 45.135099][ T482] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 45.141647][ C0] !!!! css_killed_ref_fn enqueue(ffff8881220ae400) [ 45.148451][ T5] !!!! css_killed_work_fn css_put(ffff8881220ae400) [ 45.155430][ T5] !!!! css_release enqueue(ffff8881220ae400) [ 45.161667][ C0] !!!! css_killed_ref_fn enqueue(ffff8881220aec00) [ 45.171183][ T5] !!!! css_killed_work_fn css_put(ffff8881220aec00) [ 45.177963][ C0] !!!! css_killed_ref_fn enqueue(ffff8881220acc00) [ 45.184551][ T5] !!!! css_release enqueue(ffff8881220aec00) [ 45.191054][ T5] !!!! css_killed_work_fn css_put(ffff8881220acc00) [ 45.197857][ T5] !!!! css_release enqueue(ffff8881220acc00) [ 45.204051][ T491] FAULT_INJECTION: forcing a failure. [ 45.204051][ T491] name failslab, interval 1, probability 0, space 0, times 0 [ 45.217178][ T491] CPU: 0 PID: 491 Comm: syz-executor.4 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 45.227495][ T491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.237634][ T491] Call Trace: [ 45.240904][ T491] dump_stack_lvl+0x1e2/0x24b [ 45.245562][ T491] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.251012][ T491] ? selinux_kernfs_init_security+0x1a8/0x760 [ 45.257056][ T491] dump_stack+0x15/0x17 [ 45.261188][ T491] should_fail+0x3c0/0x510 [ 45.265691][ T491] ? __kernfs_new_node+0x99/0x6e0 [ 45.270703][ T491] __should_failslab+0x9f/0xe0 [ 45.275464][ T491] should_failslab+0x9/0x20 [ 45.279965][ T491] __kmalloc_track_caller+0x5f/0x350 [ 45.285224][ T491] kstrdup_const+0x55/0x90 [ 45.289712][ T491] __kernfs_new_node+0x99/0x6e0 [ 45.294550][ T491] ? is_module_text_address+0xe1/0x140 [ 45.299989][ T491] ? kernfs_new_node+0x170/0x170 [ 45.304908][ T491] ? ptr_to_hashval+0x60/0x60 [ 45.309561][ T491] ? arch_stack_walk+0xf8/0x140 [ 45.314388][ T491] ? snprintf+0xd6/0x120 [ 45.318606][ T491] kernfs_new_node+0x97/0x170 [ 45.323255][ T491] __kernfs_create_file+0x4a/0x270 [ 45.328345][ T491] cgroup_addrm_files+0xab8/0xfe0 [ 45.333363][ T491] ? ____kasan_kmalloc+0xdc/0x110 [ 45.338373][ T491] ? __kasan_kmalloc+0x9/0x10 [ 45.343032][ T491] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 45.348553][ T491] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 45.354679][ T491] ? delete_node+0x759/0x7b0 [ 45.359264][ T491] ? __kasan_check_read+0x11/0x20 [ 45.364388][ T491] ? delete_node+0x759/0x7b0 [ 45.368956][ T491] ? __kasan_check_write+0x14/0x20 [ 45.374048][ T491] ? idr_replace+0x1c4/0x230 [ 45.378626][ T491] ? idr_get_next+0x4b0/0x4b0 [ 45.383365][ T491] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 45.388458][ T491] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 45.393633][ T491] css_populate_dir+0x137/0x370 [ 45.398462][ T491] cgroup_apply_control_enable+0x8b9/0x12f0 [ 45.404339][ T491] cgroup_apply_control+0x93/0x710 [ 45.409460][ T491] ? css_next_child+0x160/0x160 [ 45.414300][ T491] ? set_next_entity+0xc5/0x390 [ 45.419128][ T491] ? io_schedule+0x120/0x120 [ 45.423698][ T491] ? kernfs_fop_write_iter+0x15e/0x410 [ 45.429132][ T491] ? __kasan_check_write+0x14/0x20 [ 45.434230][ T491] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.439511][ T491] cgroup_subtree_control_write+0xd19/0x1310 [ 45.445478][ T491] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.451447][ T491] ? __kasan_check_write+0x14/0x20 [ 45.456549][ T491] ? _copy_from_iter+0x3fb/0xd60 [ 45.461464][ T491] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.467439][ T491] cgroup_file_write+0x28e/0x590 [ 45.472408][ T491] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.477500][ T491] ? mutex_lock+0xa6/0x110 [ 45.481890][ T491] ? mutex_trylock+0xb0/0xb0 [ 45.486484][ T491] ? __kasan_check_write+0x14/0x20 [ 45.491591][ T491] kernfs_fop_write_iter+0x2d0/0x410 [ 45.496953][ T491] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.502072][ T491] vfs_write+0xc1c/0xf40 [ 45.506312][ T491] ? kernel_write+0x3c0/0x3c0 [ 45.510988][ T491] ? mutex_trylock+0xb0/0xb0 [ 45.515571][ T491] ? __fdget_pos+0x26d/0x310 [ 45.520152][ T491] ? ksys_write+0x77/0x2c0 [ 45.524543][ T491] ksys_write+0x198/0x2c0 [ 45.528850][ T491] ? __ia32_sys_read+0x90/0x90 [ 45.533659][ T491] ? debug_smp_processor_id+0x17/0x20 [ 45.539069][ T491] __x64_sys_write+0x7b/0x90 [ 45.543648][ T491] do_syscall_64+0x34/0x70 [ 45.548133][ T491] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.554016][ T491] RIP: 0033:0x7f7a7b2580e9 [ 45.558440][ T491] 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 [ 45.578035][ T491] RSP: 002b:00007f7a7b1ad168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.586536][ T491] RAX: ffffffffffffffda RBX: 00007f7a7b36b030 RCX: 00007f7a7b2580e9 [ 45.594487][ T491] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.602439][ T491] RBP: 00007f7a7b1ad1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.610388][ T491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.618344][ T491] R13: 00007fff224d077f R14: 00007f7a7b1ad300 R15: 0000000000022000 [ 45.626922][ T491] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.634005][ T491] !!!! control_disable kill_css(ffff888111ca7000) [ 45.640730][ T491] !!!! control_disable kill_css(ffff888111ca5400) [ 45.647977][ T491] !!!! control_disable kill_css(ffff888111ca5000) [ 45.654628][ T491] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 45.668354][ C0] !!!! css_killed_ref_fn enqueue(ffff888111ca7000) [ 45.675094][ T5] !!!! css_killed_work_fn css_put(ffff888111ca7000) [ 45.681913][ C0] !!!! css_killed_ref_fn enqueue(ffff888111ca5400) [ 45.681931][ C0] !!!! css_killed_ref_fn enqueue(ffff888111ca5000) [ 45.695252][ T5] !!!! css_release enqueue(ffff888111ca7000) [ 45.701445][ T5] !!!! css_killed_work_fn css_put(ffff888111ca5400) [ 45.708283][ T5] !!!! css_release enqueue(ffff888111ca5400) [ 45.714560][ T5] !!!! css_killed_work_fn css_put(ffff888111ca5000) [ 45.721460][ T5] !!!! css_release enqueue(ffff888111ca5000) [ 45.727872][ T460] FAULT_INJECTION: forcing a failure. [ 45.727872][ T460] name failslab, interval 1, probability 0, space 0, times 0 [ 45.740541][ T460] CPU: 1 PID: 460 Comm: syz-executor.3 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 45.750659][ T460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.760691][ T460] Call Trace: [ 45.763979][ T460] dump_stack_lvl+0x1e2/0x24b [ 45.768634][ T460] ? panic+0x7d7/0x7d7 [ 45.772702][ T460] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.778144][ T460] ? find_next_bit+0xd6/0x120 [ 45.782804][ T460] ? cpumask_next+0x11/0x30 [ 45.787287][ T460] dump_stack+0x15/0x17 [ 45.791431][ T460] should_fail+0x3c0/0x510 [ 45.795863][ T460] ? percpu_ref_init+0xd0/0x330 [ 45.800700][ T460] __should_failslab+0x9f/0xe0 [ 45.805568][ T460] should_failslab+0x9/0x20 [ 45.810067][ T460] kmem_cache_alloc_trace+0x3a/0x330 [ 45.815341][ T460] percpu_ref_init+0xd0/0x330 [ 45.820005][ T460] ? cgroup_setup_root+0xea0/0xea0 [ 45.825102][ T460] cgroup_apply_control_enable+0x3a2/0x12f0 [ 45.830990][ T460] cgroup_apply_control+0x93/0x710 [ 45.836266][ T460] ? css_next_child+0x160/0x160 [ 45.841376][ T460] ? set_next_entity+0xc5/0x390 [ 45.846469][ T460] ? io_schedule+0x120/0x120 [ 45.851036][ T460] ? kernfs_fop_write_iter+0x15e/0x410 [ 45.856474][ T460] ? __kasan_check_write+0x14/0x20 [ 45.861562][ T460] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.866822][ T460] cgroup_subtree_control_write+0xd19/0x1310 [ 45.872952][ T460] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.878913][ T460] ? __kasan_check_write+0x14/0x20 [ 45.884096][ T460] ? _copy_from_iter+0x3fb/0xd60 [ 45.889019][ T460] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.894982][ T460] cgroup_file_write+0x28e/0x590 [ 45.899901][ T460] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.904994][ T460] ? mutex_lock+0xa6/0x110 [ 45.909402][ T460] ? mutex_trylock+0xb0/0xb0 [ 45.914426][ T460] ? __kasan_check_write+0x14/0x20 [ 45.919535][ T460] kernfs_fop_write_iter+0x2d0/0x410 [ 45.924958][ T460] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.930071][ T460] vfs_write+0xc1c/0xf40 [ 45.934312][ T460] ? kernel_write+0x3c0/0x3c0 [ 45.938970][ T460] ? mutex_trylock+0xb0/0xb0 [ 45.943537][ T460] ? __fdget_pos+0x26d/0x310 [ 45.948135][ T460] ? ksys_write+0x77/0x2c0 [ 45.952529][ T460] ksys_write+0x198/0x2c0 [ 45.957107][ T460] ? __ia32_sys_read+0x90/0x90 [ 45.961857][ T460] ? debug_smp_processor_id+0x17/0x20 [ 45.967343][ T460] __x64_sys_write+0x7b/0x90 [ 45.971930][ T460] do_syscall_64+0x34/0x70 [ 45.976410][ T460] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.982294][ T460] RIP: 0033:0x7f4cc71690e9 [ 45.986699][ T460] 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 [ 46.006591][ T460] RSP: 002b:00007f4cc70be168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.015006][ T460] RAX: ffffffffffffffda RBX: 00007f4cc727c030 RCX: 00007f4cc71690e9 [ 46.022975][ T460] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.030929][ T460] RBP: 00007f4cc70be1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.038884][ T460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.046935][ T460] R13: 00007ffedd37750f R14: 00007f4cc70be300 R15: 0000000000022000 [ 46.056587][ T460] !!!! control_disable kill_css(ffff888111ec9800) [ 46.063458][ T460] !!!! control_disable kill_css(ffff888111eca800) [ 46.070159][ T460] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 46.095209][ C1] !!!! css_killed_ref_fn enqueue(ffff888111ec9800) [ 46.101901][ T374] !!!! css_killed_work_fn css_put(ffff888111ec9800) [ 46.108617][ C1] !!!! css_killed_ref_fn enqueue(ffff888111eca800) [ 46.115300][ T374] !!!! css_release enqueue(ffff888111ec9800) [ 46.121394][ T374] !!!! css_killed_work_fn css_put(ffff888111eca800) [ 46.128592][ T374] !!!! css_release enqueue(ffff888111eca800) [ 46.134940][ T502] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 46.135507][ T496] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 46.148128][ T499] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 46.148306][ T503] FAULT_INJECTION: forcing a failure. [ 46.148306][ T503] name failslab, interval 1, probability 0, space 0, times 0 [ 46.167605][ T503] CPU: 1 PID: 503 Comm: syz-executor.3 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 46.177869][ T503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.187906][ T503] Call Trace: [ 46.191264][ T503] dump_stack_lvl+0x1e2/0x24b [ 46.196061][ T503] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.201548][ T503] ? selinux_kernfs_init_security+0x1a8/0x760 [ 46.207613][ T503] dump_stack+0x15/0x17 [ 46.211761][ T503] should_fail+0x3c0/0x510 [ 46.216168][ T503] ? __kernfs_new_node+0x99/0x6e0 [ 46.221193][ T503] __should_failslab+0x9f/0xe0 [ 46.225938][ T503] should_failslab+0x9/0x20 [ 46.230435][ T503] __kmalloc_track_caller+0x5f/0x350 [ 46.235890][ T503] kstrdup_const+0x55/0x90 [ 46.240286][ T503] __kernfs_new_node+0x99/0x6e0 [ 46.245182][ T503] ? is_module_text_address+0xe1/0x140 [ 46.250619][ T503] ? kernfs_new_node+0x170/0x170 [ 46.255630][ T503] ? ptr_to_hashval+0x60/0x60 [ 46.260285][ T503] ? arch_stack_walk+0xf8/0x140 [ 46.265125][ T503] ? snprintf+0xd6/0x120 [ 46.269359][ T503] kernfs_new_node+0x97/0x170 [ 46.274018][ T503] __kernfs_create_file+0x4a/0x270 [ 46.279106][ T503] cgroup_addrm_files+0xab8/0xfe0 [ 46.284134][ T503] ? ____kasan_kmalloc+0xdc/0x110 [ 46.289158][ T503] ? __kasan_kmalloc+0x9/0x10 [ 46.293814][ T503] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 46.299428][ T503] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 46.305557][ T503] ? delete_node+0x759/0x7b0 [ 46.310301][ T503] ? __kasan_check_read+0x11/0x20 [ 46.315309][ T503] ? delete_node+0x759/0x7b0 [ 46.319998][ T503] ? __kasan_check_write+0x14/0x20 [ 46.325082][ T503] ? idr_replace+0x1c4/0x230 [ 46.329645][ T503] ? idr_get_next+0x4b0/0x4b0 [ 46.334293][ T503] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 46.339285][ T503] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 46.344455][ T503] css_populate_dir+0x137/0x370 [ 46.349282][ T503] cgroup_apply_control_enable+0x8b9/0x12f0 [ 46.355154][ T503] cgroup_apply_control+0x93/0x710 [ 46.360240][ T503] ? css_next_child+0x160/0x160 [ 46.365063][ T503] ? io_schedule+0x120/0x120 [ 46.369633][ T503] ? __kasan_check_write+0x14/0x20 [ 46.374721][ T503] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 46.379991][ T503] cgroup_subtree_control_write+0xd19/0x1310 [ 46.385945][ T503] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.391901][ T503] ? __kasan_check_write+0x14/0x20 [ 46.396991][ T503] ? _copy_from_iter+0x3fb/0xd60 [ 46.401905][ T503] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.407866][ T503] cgroup_file_write+0x28e/0x590 [ 46.412786][ T503] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.417893][ T503] ? mutex_lock+0xa6/0x110 [ 46.422308][ T503] ? mutex_trylock+0xb0/0xb0 [ 46.426892][ T503] ? __kasan_check_write+0x14/0x20 [ 46.431990][ T503] kernfs_fop_write_iter+0x2d0/0x410 [ 46.437249][ T503] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.442335][ T503] vfs_write+0xc1c/0xf40 [ 46.446557][ T503] ? ktime_get+0x127/0x150 [ 46.451047][ T503] ? kernel_write+0x3c0/0x3c0 [ 46.455716][ T503] ? mutex_trylock+0xb0/0xb0 [ 46.460287][ T503] ? __fdget_pos+0x26d/0x310 [ 46.464862][ T503] ? ksys_write+0x77/0x2c0 [ 46.469251][ T503] ksys_write+0x198/0x2c0 [ 46.473556][ T503] ? kvm_sched_clock_read+0x18/0x40 [ 46.478734][ T503] ? sched_clock+0x3a/0x40 [ 46.483128][ T503] ? __ia32_sys_read+0x90/0x90 [ 46.487866][ T503] ? debug_smp_processor_id+0x17/0x20 [ 46.493213][ T503] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 46.499429][ T503] __x64_sys_write+0x7b/0x90 [ 46.504003][ T503] do_syscall_64+0x34/0x70 [ 46.508417][ T503] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.514285][ T503] RIP: 0033:0x7f4cc71690e9 [ 46.518676][ T503] 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 [ 46.538263][ T503] RSP: 002b:00007f4cc70be168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.546653][ T503] RAX: ffffffffffffffda RBX: 00007f4cc727c030 RCX: 00007f4cc71690e9 [ 46.554601][ T503] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.562547][ T503] RBP: 00007f4cc70be1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.570496][ T503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.578440][ T503] R13: 00007ffedd37750f R14: 00007f4cc70be300 R15: 0000000000022000 [ 46.588100][ T503] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.595250][ T503] !!!! control_disable kill_css(ffff888112149400) [ 46.601818][ T503] !!!! control_disable kill_css(ffff888112149000) [ 46.608756][ T503] !!!! control_disable kill_css(ffff88811214a000) [ 46.615350][ T503] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 46.628740][ C1] !!!! css_killed_ref_fn enqueue(ffff888112149400) [ 46.635530][ C1] !!!! css_killed_ref_fn enqueue(ffff888112149000) [ 46.642181][ T378] !!!! css_killed_work_fn css_put(ffff888112149400) [ 46.648896][ C1] !!!! css_killed_ref_fn enqueue(ffff88811214a000) [ 46.655539][ T378] !!!! css_release enqueue(ffff888112149400) [ 46.661619][ T378] !!!! css_killed_work_fn css_put(ffff888112149000) [ 46.668375][ T378] !!!! css_release enqueue(ffff888112149000) [ 46.674695][ T378] !!!! css_killed_work_fn css_put(ffff88811214a000) [ 46.681731][ T378] !!!! css_release enqueue(ffff88811214a000) [ 46.687949][ T493] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 46.688120][ T486] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 46.694623][ T500] FAULT_INJECTION: forcing a failure. [ 46.694623][ T500] name failslab, interval 1, probability 0, space 0, times 0 [ 46.713835][ T500] CPU: 0 PID: 500 Comm: syz-executor.4 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 46.723961][ T500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.733994][ T500] Call Trace: [ 46.737271][ T500] dump_stack_lvl+0x1e2/0x24b [ 46.741974][ T500] ? panic+0x7d7/0x7d7 [ 46.746029][ T500] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.751466][ T500] ? find_next_bit+0xd6/0x120 [ 46.756120][ T500] ? cpumask_next+0x11/0x30 [ 46.760610][ T500] dump_stack+0x15/0x17 [ 46.764743][ T500] should_fail+0x3c0/0x510 [ 46.769139][ T500] ? percpu_ref_init+0xd0/0x330 [ 46.773965][ T500] __should_failslab+0x9f/0xe0 [ 46.778704][ T500] should_failslab+0x9/0x20 [ 46.783184][ T500] kmem_cache_alloc_trace+0x3a/0x330 [ 46.788445][ T500] percpu_ref_init+0xd0/0x330 [ 46.793099][ T500] ? cgroup_setup_root+0xea0/0xea0 [ 46.798187][ T500] cgroup_apply_control_enable+0x3a2/0x12f0 [ 46.804059][ T500] cgroup_apply_control+0x93/0x710 [ 46.809149][ T500] ? css_next_child+0x160/0x160 [ 46.813974][ T500] ? dequeue_task_fair+0x7ad/0xb50 [ 46.819060][ T500] ? io_schedule+0x120/0x120 [ 46.823623][ T500] ? kernfs_fop_write_iter+0x15e/0x410 [ 46.829057][ T500] ? __kasan_check_write+0x14/0x20 [ 46.834147][ T500] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 46.839405][ T500] cgroup_subtree_control_write+0xd19/0x1310 [ 46.845358][ T500] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.851318][ T500] ? __kasan_check_write+0x14/0x20 [ 46.856407][ T500] ? _copy_from_iter+0x3fb/0xd60 [ 46.861317][ T500] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.867274][ T500] cgroup_file_write+0x28e/0x590 [ 46.872189][ T500] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.877282][ T500] ? mutex_lock+0xa6/0x110 [ 46.881677][ T500] ? mutex_trylock+0xb0/0xb0 [ 46.886261][ T500] ? __kasan_check_write+0x14/0x20 [ 46.891450][ T500] kernfs_fop_write_iter+0x2d0/0x410 [ 46.896739][ T500] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.901845][ T500] vfs_write+0xc1c/0xf40 [ 46.906087][ T500] ? kernel_write+0x3c0/0x3c0 [ 46.910745][ T500] ? mutex_trylock+0xb0/0xb0 [ 46.915330][ T500] ? __fdget_pos+0x26d/0x310 [ 46.919899][ T500] ? ksys_write+0x77/0x2c0 [ 46.924297][ T500] ksys_write+0x198/0x2c0 [ 46.928614][ T500] ? __ia32_sys_read+0x90/0x90 [ 46.933368][ T500] ? debug_smp_processor_id+0x17/0x20 [ 46.938761][ T500] __x64_sys_write+0x7b/0x90 [ 46.943387][ T500] do_syscall_64+0x34/0x70 [ 46.947790][ T500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.953674][ T500] RIP: 0033:0x7f7a7b2580e9 [ 46.958267][ T500] 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 [ 46.977954][ T500] RSP: 002b:00007f7a7b1ad168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.986387][ T500] RAX: ffffffffffffffda RBX: 00007f7a7b36b030 RCX: 00007f7a7b2580e9 [ 46.994451][ T500] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.002430][ T500] RBP: 00007f7a7b1ad1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.010387][ T500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.018343][ T500] R13: 00007fff224d077f R14: 00007f7a7b1ad300 R15: 0000000000022000 [ 47.027724][ T500] !!!! control_disable kill_css(ffff88811209cc00) [ 47.034267][ T500] !!!! control_disable kill_css(ffff88811209c800) [ 47.041324][ T500] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 47.065192][ C0] !!!! css_killed_ref_fn enqueue(ffff88811209cc00) [ 47.071850][ C0] !!!! css_killed_ref_fn enqueue(ffff88811209c800) [ 47.078734][ T434] !!!! css_killed_work_fn css_put(ffff88811209cc00) [ 47.085896][ T434] !!!! css_release enqueue(ffff88811209cc00) [ 47.092555][ T5] !!!! css_killed_work_fn css_put(ffff88811209c800) [ 47.099348][ T5] !!!! css_release enqueue(ffff88811209c800) [ 47.105614][ T481] FAULT_INJECTION: forcing a failure. [ 47.105614][ T481] name failslab, interval 1, probability 0, space 0, times 0 [ 47.118544][ T481] CPU: 1 PID: 481 Comm: syz-executor.5 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 47.128708][ T481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.138752][ T481] Call Trace: [ 47.142038][ T481] dump_stack_lvl+0x1e2/0x24b [ 47.147218][ T481] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.152664][ T481] ? selinux_kernfs_init_security+0x1a8/0x760 [ 47.158708][ T481] dump_stack+0x15/0x17 [ 47.162858][ T481] should_fail+0x3c0/0x510 [ 47.167503][ T481] ? __kernfs_new_node+0x99/0x6e0 [ 47.172509][ T481] __should_failslab+0x9f/0xe0 [ 47.177250][ T481] should_failslab+0x9/0x20 [ 47.181744][ T481] __kmalloc_track_caller+0x5f/0x350 [ 47.187020][ T481] kstrdup_const+0x55/0x90 [ 47.191411][ T481] __kernfs_new_node+0x99/0x6e0 [ 47.196414][ T481] ? is_module_text_address+0xe1/0x140 [ 47.201870][ T481] ? kernfs_new_node+0x170/0x170 [ 47.206783][ T481] ? ptr_to_hashval+0x60/0x60 [ 47.211622][ T481] ? arch_stack_walk+0xf8/0x140 [ 47.216451][ T481] ? snprintf+0xd6/0x120 [ 47.220673][ T481] kernfs_new_node+0x97/0x170 [ 47.225575][ T481] __kernfs_create_file+0x4a/0x270 [ 47.230706][ T481] cgroup_addrm_files+0xab8/0xfe0 [ 47.235726][ T481] ? ____kasan_kmalloc+0xdc/0x110 [ 47.240731][ T481] ? __kasan_kmalloc+0x9/0x10 [ 47.245395][ T481] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 47.250939][ T481] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 47.257080][ T481] ? delete_node+0x759/0x7b0 [ 47.261739][ T481] ? __kasan_check_read+0x11/0x20 [ 47.266739][ T481] ? delete_node+0x759/0x7b0 [ 47.271367][ T481] ? __kasan_check_write+0x14/0x20 [ 47.276643][ T481] ? idr_replace+0x1c4/0x230 [ 47.281425][ T481] ? idr_get_next+0x4b0/0x4b0 [ 47.286176][ T481] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 47.291265][ T481] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 47.296444][ T481] css_populate_dir+0x137/0x370 [ 47.301291][ T481] cgroup_apply_control_enable+0x8b9/0x12f0 [ 47.307174][ T481] cgroup_apply_control+0x93/0x710 [ 47.312264][ T481] ? css_next_child+0x160/0x160 [ 47.317087][ T481] ? set_next_entity+0xc5/0x390 [ 47.321911][ T481] ? io_schedule+0x120/0x120 [ 47.326477][ T481] ? kernfs_fop_write_iter+0x15e/0x410 [ 47.331931][ T481] ? __kasan_check_write+0x14/0x20 [ 47.337101][ T481] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 47.342358][ T481] cgroup_subtree_control_write+0xd19/0x1310 [ 47.348314][ T481] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.354271][ T481] ? __kasan_check_write+0x14/0x20 [ 47.359356][ T481] ? _copy_from_iter+0x3fb/0xd60 [ 47.364385][ T481] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.370367][ T481] cgroup_file_write+0x28e/0x590 [ 47.375373][ T481] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.380475][ T481] ? mutex_lock+0xa6/0x110 [ 47.384941][ T481] ? mutex_trylock+0xb0/0xb0 [ 47.389521][ T481] ? __kasan_check_write+0x14/0x20 [ 47.394620][ T481] kernfs_fop_write_iter+0x2d0/0x410 [ 47.400012][ T481] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.405462][ T481] vfs_write+0xc1c/0xf40 [ 47.409873][ T481] ? kernel_write+0x3c0/0x3c0 [ 47.414533][ T481] ? mutex_trylock+0xb0/0xb0 [ 47.419222][ T481] ? __fdget_pos+0x26d/0x310 [ 47.423797][ T481] ? ksys_write+0x77/0x2c0 [ 47.428285][ T481] ksys_write+0x198/0x2c0 [ 47.432591][ T481] ? __ia32_sys_read+0x90/0x90 [ 47.437345][ T481] ? debug_smp_processor_id+0x17/0x20 [ 47.442689][ T481] __x64_sys_write+0x7b/0x90 [ 47.448570][ T481] do_syscall_64+0x34/0x70 [ 47.452963][ T481] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.458838][ T481] RIP: 0033:0x7fbe6ae5f0e9 [ 47.463245][ T481] 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 [ 47.483002][ T481] RSP: 002b:00007fbe6adb4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.491669][ T481] RAX: ffffffffffffffda RBX: 00007fbe6af72030 RCX: 00007fbe6ae5f0e9 [ 47.499621][ T481] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.507660][ T481] RBP: 00007fbe6adb41d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.515692][ T481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.523666][ T481] R13: 00007ffc286cadef R14: 00007fbe6adb4300 R15: 0000000000022000 [ 47.532097][ T481] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.539228][ T481] !!!! control_disable kill_css(ffff888111e45000) [ 47.545863][ T481] !!!! control_disable kill_css(ffff888111e46000) [ 47.552607][ T481] !!!! control_disable kill_css(ffff888111e45c00) [ 47.559452][ T481] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 47.585179][ C1] !!!! css_killed_ref_fn enqueue(ffff888111e45000) [ 47.591852][ C1] !!!! css_killed_ref_fn enqueue(ffff888111e46000) [ 47.598472][ C1] !!!! css_killed_ref_fn enqueue(ffff888111e45c00) [ 47.605102][ T378] !!!! css_killed_work_fn css_put(ffff888111e45000) [ 47.611950][ T378] !!!! css_release enqueue(ffff888111e45000) [ 47.618194][ T378] !!!! css_killed_work_fn css_put(ffff888111e46000) [ 47.625103][ T378] !!!! css_release enqueue(ffff888111e46000) [ 47.631578][ T378] !!!! css_killed_work_fn css_put(ffff888111e45c00) [ 47.638408][ T378] !!!! css_release enqueue(ffff888111e45c00) [ 47.644584][ T494] FAULT_INJECTION: forcing a failure. [ 47.644584][ T494] name failslab, interval 1, probability 0, space 0, times 0 [ 47.657538][ T494] CPU: 0 PID: 494 Comm: syz-executor.1 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 47.667767][ T494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.677821][ T494] Call Trace: [ 47.681092][ T494] dump_stack_lvl+0x1e2/0x24b [ 47.685760][ T494] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.691198][ T494] ? selinux_kernfs_init_security+0x1a8/0x760 [ 47.697237][ T494] dump_stack+0x15/0x17 [ 47.701366][ T494] should_fail+0x3c0/0x510 [ 47.705785][ T494] ? __kernfs_new_node+0x99/0x6e0 [ 47.710875][ T494] __should_failslab+0x9f/0xe0 [ 47.715726][ T494] should_failslab+0x9/0x20 [ 47.720336][ T494] __kmalloc_track_caller+0x5f/0x350 [ 47.725616][ T494] kstrdup_const+0x55/0x90 [ 47.730017][ T494] __kernfs_new_node+0x99/0x6e0 [ 47.734964][ T494] ? is_module_text_address+0xe1/0x140 [ 47.740494][ T494] ? kernfs_new_node+0x170/0x170 [ 47.745417][ T494] ? ptr_to_hashval+0x60/0x60 [ 47.750069][ T494] ? arch_stack_walk+0xf8/0x140 [ 47.754907][ T494] ? snprintf+0xd6/0x120 [ 47.759133][ T494] kernfs_new_node+0x97/0x170 [ 47.763787][ T494] __kernfs_create_file+0x4a/0x270 [ 47.768906][ T494] cgroup_addrm_files+0xab8/0xfe0 [ 47.774006][ T494] ? ____kasan_kmalloc+0xdc/0x110 [ 47.779009][ T494] ? __kasan_kmalloc+0x9/0x10 [ 47.783716][ T494] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 47.789257][ T494] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 47.795571][ T494] ? delete_node+0x759/0x7b0 [ 47.800146][ T494] ? __kasan_check_read+0x11/0x20 [ 47.805269][ T494] ? delete_node+0x759/0x7b0 [ 47.809857][ T494] ? __kasan_check_write+0x14/0x20 [ 47.814968][ T494] ? idr_replace+0x1c4/0x230 [ 47.819639][ T494] ? idr_get_next+0x4b0/0x4b0 [ 47.824319][ T494] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 47.829357][ T494] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 47.834543][ T494] css_populate_dir+0x137/0x370 [ 47.839383][ T494] cgroup_apply_control_enable+0x8b9/0x12f0 [ 47.845367][ T494] cgroup_apply_control+0x93/0x710 [ 47.850456][ T494] ? css_next_child+0x160/0x160 [ 47.855303][ T494] ? io_schedule+0x120/0x120 [ 47.859921][ T494] ? kernfs_fop_write_iter+0x15e/0x410 [ 47.865462][ T494] ? __kasan_check_write+0x14/0x20 [ 47.870551][ T494] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 47.875815][ T494] cgroup_subtree_control_write+0xd19/0x1310 [ 47.881767][ T494] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.887721][ T494] ? __kasan_check_write+0x14/0x20 [ 47.892821][ T494] ? _copy_from_iter+0x3fb/0xd60 [ 47.897744][ T494] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.903705][ T494] cgroup_file_write+0x28e/0x590 [ 47.908640][ T494] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.913728][ T494] ? mutex_lock+0xa6/0x110 [ 47.918169][ T494] ? mutex_trylock+0xb0/0xb0 [ 47.922873][ T494] ? __kasan_check_write+0x14/0x20 [ 47.927969][ T494] kernfs_fop_write_iter+0x2d0/0x410 [ 47.933254][ T494] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.938457][ T494] vfs_write+0xc1c/0xf40 [ 47.942691][ T494] ? kernel_write+0x3c0/0x3c0 [ 47.947494][ T494] ? mutex_trylock+0xb0/0xb0 [ 47.952256][ T494] ? __fdget_pos+0x26d/0x310 [ 47.956824][ T494] ? ksys_write+0x77/0x2c0 [ 47.961223][ T494] ksys_write+0x198/0x2c0 [ 47.965558][ T494] ? __ia32_sys_read+0x90/0x90 [ 47.970303][ T494] ? debug_smp_processor_id+0x17/0x20 [ 47.975740][ T494] __x64_sys_write+0x7b/0x90 [ 47.980481][ T494] do_syscall_64+0x34/0x70 [ 47.984887][ T494] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.991007][ T494] RIP: 0033:0x7fb32eb200e9 [ 47.995402][ 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 [ 48.015185][ T494] RSP: 002b:00007fb32ea75168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.023633][ T494] RAX: ffffffffffffffda RBX: 00007fb32ec33030 RCX: 00007fb32eb200e9 [ 48.031594][ T494] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.039551][ T494] RBP: 00007fb32ea751d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.047512][ T494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.055497][ T494] R13: 00007fffc31d6daf R14: 00007fb32ea75300 R15: 0000000000022000 [ 48.064112][ T494] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.071200][ T494] !!!! control_disable kill_css(ffff88811234b400) [ 48.077788][ T494] !!!! control_disable kill_css(ffff88811234a400) [ 48.084353][ T494] !!!! control_disable kill_css(ffff88811234ac00) [ 48.090985][ T494] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 48.115206][ C0] !!!! css_killed_ref_fn enqueue(ffff88811234b400) [ 48.121952][ C0] !!!! css_killed_ref_fn enqueue(ffff88811234a400) [ 48.128604][ C0] !!!! css_killed_ref_fn enqueue(ffff88811234ac00) [ 48.135434][ T5] !!!! css_killed_work_fn css_put(ffff88811234b400) [ 48.142094][ T5] !!!! css_release enqueue(ffff88811234b400) [ 48.149626][ T453] !!!! css_killed_work_fn css_put(ffff88811234a400) [ 48.156489][ T453] !!!! css_release enqueue(ffff88811234a400) [ 48.162673][ T5] !!!! css_killed_work_fn css_put(ffff88811234ac00) [ 48.169552][ T5] !!!! css_release enqueue(ffff88811234ac00) [ 48.175942][ T489] FAULT_INJECTION: forcing a failure. [ 48.175942][ T489] name failslab, interval 1, probability 0, space 0, times 0 [ 48.188838][ T489] CPU: 1 PID: 489 Comm: syz-executor.2 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 48.199269][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.209389][ T489] Call Trace: [ 48.212941][ T489] dump_stack_lvl+0x1e2/0x24b [ 48.217652][ T489] ? panic+0x7d7/0x7d7 [ 48.221813][ T489] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.227255][ T489] ? find_next_bit+0xd6/0x120 [ 48.231935][ T489] ? cpumask_next+0x11/0x30 [ 48.236425][ T489] dump_stack+0x15/0x17 [ 48.240566][ T489] should_fail+0x3c0/0x510 [ 48.244959][ T489] ? percpu_ref_init+0xd0/0x330 [ 48.249809][ T489] __should_failslab+0x9f/0xe0 [ 48.254559][ T489] should_failslab+0x9/0x20 [ 48.259044][ T489] kmem_cache_alloc_trace+0x3a/0x330 [ 48.264418][ T489] percpu_ref_init+0xd0/0x330 [ 48.269162][ T489] ? cgroup_setup_root+0xea0/0xea0 [ 48.274285][ T489] cgroup_apply_control_enable+0x3a2/0x12f0 [ 48.280291][ T489] cgroup_apply_control+0x93/0x710 [ 48.285388][ T489] ? css_next_child+0x160/0x160 [ 48.290213][ T489] ? set_next_entity+0xc5/0x390 [ 48.295040][ T489] ? io_schedule+0x120/0x120 [ 48.299704][ T489] ? kernfs_fop_write_iter+0x15e/0x410 [ 48.305143][ T489] ? __kasan_check_write+0x14/0x20 [ 48.310233][ T489] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.315551][ T489] cgroup_subtree_control_write+0xd19/0x1310 [ 48.321542][ T489] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.327513][ T489] ? __kasan_check_write+0x14/0x20 [ 48.332627][ T489] ? _copy_from_iter+0x3fb/0xd60 [ 48.337577][ T489] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.343555][ T489] cgroup_file_write+0x28e/0x590 [ 48.348649][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.353736][ T489] ? mutex_lock+0xa6/0x110 [ 48.358220][ T489] ? mutex_trylock+0xb0/0xb0 [ 48.362807][ T489] ? __kasan_check_write+0x14/0x20 [ 48.367904][ T489] kernfs_fop_write_iter+0x2d0/0x410 [ 48.373170][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.378261][ T489] vfs_write+0xc1c/0xf40 [ 48.382507][ T489] ? kernel_write+0x3c0/0x3c0 [ 48.387180][ T489] ? mutex_trylock+0xb0/0xb0 [ 48.391747][ T489] ? __fdget_pos+0x26d/0x310 [ 48.396440][ T489] ? ksys_write+0x77/0x2c0 [ 48.400921][ T489] ksys_write+0x198/0x2c0 [ 48.405230][ T489] ? __ia32_sys_read+0x90/0x90 [ 48.409982][ T489] ? debug_smp_processor_id+0x17/0x20 [ 48.415327][ T489] __x64_sys_write+0x7b/0x90 [ 48.419910][ T489] do_syscall_64+0x34/0x70 [ 48.424389][ T489] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.430284][ T489] RIP: 0033:0x7f15d160b0e9 [ 48.434679][ T489] 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 [ 48.454541][ T489] RSP: 002b:00007f15d1560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.462954][ T489] RAX: ffffffffffffffda RBX: 00007f15d171e030 RCX: 00007f15d160b0e9 [ 48.470992][ T489] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.478969][ T489] RBP: 00007f15d15601d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.486924][ T489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.494935][ T489] R13: 00007ffe7940488f R14: 00007f15d1560300 R15: 0000000000022000 [ 48.503312][ T489] !!!! control_disable kill_css(ffff8881120cf800) [ 48.510255][ T489] !!!! control_disable kill_css(ffff8881120cfc00) [ 48.517073][ T489] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 48.545232][ C1] !!!! css_killed_ref_fn enqueue(ffff8881120cf800) [ 48.551855][ C1] !!!! css_killed_ref_fn enqueue(ffff8881120cfc00) [ 48.558677][ T24] !!!! css_killed_work_fn css_put(ffff8881120cf800) [ 48.565579][ T24] !!!! css_release enqueue(ffff8881120cf800) [ 48.571745][ T24] !!!! css_killed_work_fn css_put(ffff8881120cfc00) [ 48.578625][ T24] !!!! css_release enqueue(ffff8881120cfc00) [ 48.584989][ T497] FAULT_INJECTION: forcing a failure. [ 48.584989][ T497] name failslab, interval 1, probability 0, space 0, times 0 [ 48.597815][ T517] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 48.604469][ T497] CPU: 1 PID: 497 Comm: syz-executor.0 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 48.614733][ T497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.625445][ T497] Call Trace: [ 48.628721][ T497] dump_stack_lvl+0x1e2/0x24b [ 48.633383][ T497] ? panic+0x7d7/0x7d7 [ 48.637443][ T497] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.642985][ T497] ? find_next_bit+0xd6/0x120 [ 48.647649][ T497] ? cpumask_next+0x11/0x30 [ 48.652310][ T497] dump_stack+0x15/0x17 [ 48.656798][ T497] should_fail+0x3c0/0x510 [ 48.661197][ T497] ? percpu_ref_init+0xd0/0x330 [ 48.666044][ T497] __should_failslab+0x9f/0xe0 [ 48.670786][ T497] should_failslab+0x9/0x20 [ 48.675334][ T497] kmem_cache_alloc_trace+0x3a/0x330 [ 48.680625][ T497] percpu_ref_init+0xd0/0x330 [ 48.685305][ T497] ? cgroup_setup_root+0xea0/0xea0 [ 48.690415][ T497] cgroup_apply_control_enable+0x3a2/0x12f0 [ 48.696324][ T497] cgroup_apply_control+0x93/0x710 [ 48.701417][ T497] ? css_next_child+0x160/0x160 [ 48.706252][ T497] ? dequeue_task_fair+0x7ad/0xb50 [ 48.711465][ T497] ? io_schedule+0x120/0x120 [ 48.716145][ T497] ? kernfs_fop_write_iter+0x15e/0x410 [ 48.721598][ T497] ? __kasan_check_write+0x14/0x20 [ 48.726710][ T497] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.732104][ T497] cgroup_subtree_control_write+0xd19/0x1310 [ 48.738350][ T497] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.744444][ T497] ? __kasan_check_write+0x14/0x20 [ 48.749539][ T497] ? _copy_from_iter+0x3fb/0xd60 [ 48.754506][ T497] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.760468][ T497] cgroup_file_write+0x28e/0x590 [ 48.765383][ T497] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.770475][ T497] ? mutex_lock+0xa6/0x110 [ 48.774930][ T497] ? mutex_trylock+0xb0/0xb0 [ 48.779556][ T497] ? __kasan_check_write+0x14/0x20 [ 48.784657][ T497] kernfs_fop_write_iter+0x2d0/0x410 [ 48.789935][ T497] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.795112][ T497] vfs_write+0xc1c/0xf40 [ 48.799341][ T497] ? kernel_write+0x3c0/0x3c0 [ 48.804022][ T497] ? mutex_trylock+0xb0/0xb0 [ 48.808591][ T497] ? __fdget_pos+0x26d/0x310 [ 48.813155][ T497] ? ksys_write+0x77/0x2c0 [ 48.817553][ T497] ksys_write+0x198/0x2c0 [ 48.821874][ T497] ? __ia32_sys_read+0x90/0x90 [ 48.826629][ T497] ? debug_smp_processor_id+0x17/0x20 [ 48.831996][ T497] __x64_sys_write+0x7b/0x90 [ 48.836835][ T497] do_syscall_64+0x34/0x70 [ 48.841234][ T497] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.847287][ T497] RIP: 0033:0x7fec00a830e9 [ 48.851685][ 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 [ 48.871270][ T497] RSP: 002b:00007fec009d8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.879667][ T497] RAX: ffffffffffffffda RBX: 00007fec00b96030 RCX: 00007fec00a830e9 [ 48.887620][ T497] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.895572][ T497] RBP: 00007fec009d81d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.903521][ T497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.911470][ T497] R13: 00007ffef8d43f0f R14: 00007fec009d8300 R15: 0000000000022000 [ 48.919579][ T497] !!!! control_disable kill_css(ffff8881120ce000) [ 48.926304][ T497] !!!! control_disable kill_css(ffff8881120cdc00) [ 48.932968][ T497] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 48.945268][ C0] !!!! css_killed_ref_fn enqueue(ffff8881120ce000) [ 48.951949][ T5] !!!! css_killed_work_fn css_put(ffff8881120ce000) [ 48.955179][ C1] !!!! css_killed_ref_fn enqueue(ffff8881120cdc00) [ 48.959364][ T5] !!!! css_release enqueue(ffff8881120ce000) [ 48.971949][ T24] !!!! css_killed_work_fn css_put(ffff8881120cdc00) [ 48.978765][ T24] !!!! css_release enqueue(ffff8881120cdc00) [ 48.984947][ T511] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 48.984962][ T508] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 48.991828][ T518] FAULT_INJECTION: forcing a failure. [ 48.991828][ T518] name failslab, interval 1, probability 0, space 0, times 0 [ 49.010975][ T518] CPU: 0 PID: 518 Comm: syz-executor.2 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 49.021105][ T518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.031142][ T518] Call Trace: [ 49.034433][ T518] dump_stack_lvl+0x1e2/0x24b [ 49.039204][ T518] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.044649][ T518] ? selinux_kernfs_init_security+0x1a8/0x760 [ 49.051049][ T518] dump_stack+0x15/0x17 [ 49.055191][ T518] should_fail+0x3c0/0x510 [ 49.059583][ T518] ? __kernfs_new_node+0x99/0x6e0 [ 49.064844][ T518] __should_failslab+0x9f/0xe0 [ 49.069589][ T518] should_failslab+0x9/0x20 [ 49.074067][ T518] __kmalloc_track_caller+0x5f/0x350 [ 49.079340][ T518] kstrdup_const+0x55/0x90 [ 49.083751][ T518] __kernfs_new_node+0x99/0x6e0 [ 49.088666][ T518] ? is_module_text_address+0xe1/0x140 [ 49.094104][ T518] ? kernfs_new_node+0x170/0x170 [ 49.099105][ T518] ? ptr_to_hashval+0x60/0x60 [ 49.103796][ T518] ? arch_stack_walk+0xf8/0x140 [ 49.108746][ T518] ? snprintf+0xd6/0x120 [ 49.112985][ T518] kernfs_new_node+0x97/0x170 [ 49.118085][ T518] __kernfs_create_file+0x4a/0x270 [ 49.123197][ T518] cgroup_addrm_files+0xab8/0xfe0 [ 49.128307][ T518] ? ____kasan_kmalloc+0xdc/0x110 [ 49.133313][ T518] ? __kasan_kmalloc+0x9/0x10 [ 49.137971][ T518] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 49.143497][ T518] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 49.149639][ T518] ? delete_node+0x759/0x7b0 [ 49.154235][ T518] ? __kasan_check_read+0x11/0x20 [ 49.159247][ T518] ? delete_node+0x759/0x7b0 [ 49.163909][ T518] ? __kasan_check_write+0x14/0x20 [ 49.169005][ T518] ? idr_replace+0x1c4/0x230 [ 49.173578][ T518] ? idr_get_next+0x4b0/0x4b0 [ 49.178237][ T518] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 49.183253][ T518] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 49.188444][ T518] css_populate_dir+0x137/0x370 [ 49.193283][ T518] cgroup_apply_control_enable+0x8b9/0x12f0 [ 49.199253][ T518] cgroup_apply_control+0x93/0x710 [ 49.204350][ T518] ? css_next_child+0x160/0x160 [ 49.209217][ T518] ? set_next_entity+0xc5/0x390 [ 49.214211][ T518] ? io_schedule+0x120/0x120 [ 49.218790][ T518] ? kernfs_fop_write_iter+0x15e/0x410 [ 49.224845][ T518] ? __kasan_check_write+0x14/0x20 [ 49.230139][ T518] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 49.235417][ T518] cgroup_subtree_control_write+0xd19/0x1310 [ 49.241390][ T518] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.247358][ T518] ? __kasan_check_write+0x14/0x20 [ 49.252452][ T518] ? _copy_from_iter+0x3fb/0xd60 [ 49.257379][ T518] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.263431][ T518] cgroup_file_write+0x28e/0x590 [ 49.268426][ T518] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.273657][ T518] ? mutex_lock+0xa6/0x110 [ 49.278064][ T518] ? mutex_trylock+0xb0/0xb0 [ 49.282654][ T518] ? __kasan_check_write+0x14/0x20 [ 49.287862][ T518] kernfs_fop_write_iter+0x2d0/0x410 [ 49.293161][ T518] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.298260][ T518] vfs_write+0xc1c/0xf40 [ 49.302530][ T518] ? kernel_write+0x3c0/0x3c0 [ 49.307188][ T518] ? mutex_trylock+0xb0/0xb0 [ 49.311768][ T518] ? __fdget_pos+0x26d/0x310 [ 49.316346][ T518] ? ksys_write+0x77/0x2c0 [ 49.320763][ T518] ksys_write+0x198/0x2c0 [ 49.325088][ T518] ? __ia32_sys_read+0x90/0x90 [ 49.329842][ T518] ? debug_smp_processor_id+0x17/0x20 [ 49.335305][ T518] __x64_sys_write+0x7b/0x90 [ 49.339891][ T518] do_syscall_64+0x34/0x70 [ 49.344387][ T518] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.350389][ T518] RIP: 0033:0x7f15d160b0e9 [ 49.354792][ T518] 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 [ 49.374691][ T518] RSP: 002b:00007f15d1560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.383090][ T518] RAX: ffffffffffffffda RBX: 00007f15d171e030 RCX: 00007f15d160b0e9 [ 49.391146][ T518] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.399102][ T518] RBP: 00007f15d15601d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.407056][ T518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.415029][ T518] R13: 00007ffe7940488f R14: 00007f15d1560300 R15: 0000000000022000 [ 49.424533][ T518] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.431665][ T518] !!!! control_disable kill_css(ffff888112728800) [ 49.438300][ T518] !!!! control_disable kill_css(ffff88811272b800) 2022/06/06 21:12:11 executed programs: 28 [ 49.444881][ T518] !!!! control_disable kill_css(ffff88811272bc00) [ 49.451832][ T518] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 49.465464][ C1] !!!! css_killed_ref_fn enqueue(ffff888112728800) [ 49.472103][ C1] !!!! css_killed_ref_fn enqueue(ffff88811272b800) [ 49.478741][ T374] !!!! css_killed_work_fn css_put(ffff888112728800) [ 49.485719][ C1] !!!! css_killed_ref_fn enqueue(ffff88811272bc00) [ 49.485738][ C1] !!!! css_release enqueue(ffff88811272bc00) [ 49.485749][ C1] list_add corruption. prev->next should be next (ffff8881f735c060), but was ffff88811272bc70. (prev=ffff88811272bc70). [ 49.485800][ C1] ------------[ cut here ]------------ [ 49.485804][ C1] kernel BUG at lib/list_debug.c:28! [ 49.485816][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 49.485824][ C1] CPU: 1 PID: 374 Comm: kworker/1:2 Not tainted 5.10.110-syzkaller-00174-gc5a957663c73 #0 [ 49.485828][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.485838][ C1] Workqueue: cgroup_destroy css_killed_work_fn [ 49.485850][ C1] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 49.485856][ C1] Code: 48 c7 c7 40 db 43 85 4c 89 e6 4c 89 f1 31 c0 e8 8d 10 40 02 0f 0b 48 c7 c7 00 dc 43 85 4c 89 f6 4c 89 e1 31 c0 e8 77 10 40 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49 [ 49.485860][ C1] RSP: 0018:ffffc90000160a00 EFLAGS: 00010046 [ 49.485866][ C1] RAX: 0000000000000075 RBX: ffff8881f735c068 RCX: fe9353fa45f2a400 [ 49.485870][ C1] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 49.485874][ C1] RBP: ffffc90000160a28 R08: ffffffff8153b2f8 R09: ffffed103ee64e83 [ 49.485878][ C1] R10: ffffed103ee64e83 R11: 1ffff1103ee64e82 R12: ffff88811272bc70 [ 49.485882][ C1] R13: dffffc0000000000 R14: ffff8881f735c060 R15: ffff88811272bc70 [ 49.485888][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 49.485892][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.485896][ C1] CR2: 00007f15d1691e69 CR3: 000000010f9a8000 CR4: 00000000003506a0 [ 49.485902][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.485906][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.485908][ C1] Call Trace: [ 49.485910][ C1] [ 49.485917][ C1] insert_work+0x107/0x330 [ 49.485923][ C1] __queue_work+0x971/0xd30 [ 49.485929][ C1] queue_work_on+0xf2/0x150 [ 49.485935][ C1] ? wq_worker_last_func+0x50/0x50 [ 49.485941][ C1] ? __alloc_reserved_percpu+0x30/0x30 [ 49.485948][ C1] css_release+0xc0/0xd0 [ 49.485955][ C1] percpu_ref_switch_to_atomic_rcu+0x5a2/0x5b0 [ 49.485960][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 49.485967][ C1] rcu_do_batch+0x4f8/0xbc0 [ 49.485973][ C1] ? local_bh_enable+0x20/0x20 [ 49.485978][ C1] ? note_gp_changes+0x158/0x260 [ 49.485985][ C1] ? update_load_avg+0x4e7/0xa90 [ 49.485990][ C1] rcu_core+0x59b/0xe30 [ 49.485995][ C1] ? rcu_cpu_kthread_park+0x90/0x90 [ 49.486001][ C1] rcu_core_si+0x9/0x10 [ 49.486007][ C1] __do_softirq+0x27e/0x596 [ 49.486013][ C1] asm_call_irq_on_stack+0xf/0x20 [ 49.486015][ C1] [ 49.486021][ C1] do_softirq_own_stack+0x60/0x80 [ 49.486027][ C1] __irq_exit_rcu+0x128/0x150 [ 49.486032][ C1] irq_exit_rcu+0x9/0x10 [ 49.486039][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 49.486045][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 49.486051][ C1] RIP: 0010:console_unlock+0xb5c/0xf20 [ 49.486056][ C1] Code: 85 db 4c 8d b4 24 60 01 00 00 0f 85 82 03 00 00 e8 49 6e 00 00 48 8b 44 24 30 48 89 84 24 90 00 00 00 ff b4 24 90 00 00 00 9d <48> 8b 44 24 38 42 80 3c 38 00 74 08 4c 89 f7 e8 40 d1 52 00 48 c7 [ 49.486060][ C1] RSP: 0018:ffffc9000039f7e0 EFLAGS: 00000246 [ 49.486065][ C1] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff88811e03cf00 [ 49.486068][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 49.486072][ C1] RBP: ffffc9000039fa70 R08: ffffffff8153ae3b R09: 0000000000000003 [ 49.486076][ C1] R10: fffff52000073eed R11: 1ffff92000073eec R12: ffffc9000039f9e0 [ 49.486081][ C1] R13: 1ffffffff0c3ada1 R14: ffffc9000039f940 R15: dffffc0000000000 [ 49.486086][ C1] ? console_unlock+0xb1b/0xf20 [ 49.486093][ C1] ? memcpy+0x56/0x70 [ 49.486100][ C1] ? __kasan_check_write+0x14/0x20 [ 49.486104][ C1] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 49.486110][ C1] ? vprintk_emit+0x640/0x640 [ 49.486114][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 49.486120][ C1] ? vsnprintf+0x1fa/0x1cd0 [ 49.486125][ C1] ? memcpy+0x56/0x70 [ 49.486130][ C1] ? vsnprintf+0x1bfd/0x1cd0 [ 49.486135][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 49.486142][ C1] ? resume_console+0x50/0x50 [ 49.486146][ C1] ? _raw_spin_lock+0xa3/0x1b0 [ 49.486152][ C1] vprintk_emit+0x44b/0x640 [ 49.486158][ C1] ? log_output+0x4d0/0x4d0 [ 49.486164][ C1] ? autoremove_wake_function+0x37/0x120 [ 49.486170][ C1] vprintk_default+0x26/0x30 [ 49.486174][ C1] vprintk_func+0x19d/0x1e0 [ 49.486179][ C1] printk+0xcf/0x10f [ 49.486185][ C1] ? panic+0x7d7/0x7d7 [ 49.486190][ C1] css_killed_work_fn+0x1e4/0x430 [ 49.486195][ C1] process_one_work+0x726/0xc10 [ 49.486201][ C1] worker_thread+0xb27/0x1550 [ 49.486207][ C1] ? __kthread_parkme+0xba/0x1d0 [ 49.486212][ C1] kthread+0x349/0x3d0 [ 49.486217][ C1] ? worker_clr_flags+0x180/0x180 [ 49.486222][ C1] ? kthread_blkcg+0xd0/0xd0 [ 49.486228][ C1] ret_from_fork+0x1f/0x30 [ 49.486230][ C1] Modules linked in: [ 49.486237][ C1] ---[ end trace fa523c1e40e49a9f ]--- [ 49.486242][ C1] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 49.486247][ C1] Code: 48 c7 c7 40 db 43 85 4c 89 e6 4c 89 f1 31 c0 e8 8d 10 40 02 0f 0b 48 c7 c7 00 dc 43 85 4c 89 f6 4c 89 e1 31 c0 e8 77 10 40 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49 [ 49.486251][ C1] RSP: 0018:ffffc90000160a00 EFLAGS: 00010046 [ 49.486256][ C1] RAX: 0000000000000075 RBX: ffff8881f735c068 RCX: fe9353fa45f2a400 [ 49.486259][ C1] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 49.486263][ C1] RBP: ffffc90000160a28 R08: ffffffff8153b2f8 R09: ffffed103ee64e83 [ 49.486268][ C1] R10: ffffed103ee64e83 R11: 1ffff1103ee64e82 R12: ffff88811272bc70 [ 49.486272][ C1] R13: dffffc0000000000 R14: ffff8881f735c060 R15: ffff88811272bc70 [ 49.486276][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 49.486280][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.486284][ C1] CR2: 00007f15d1691e69 CR3: 000000010f9a8000 CR4: 00000000003506a0 [ 49.486287][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.486291][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.486294][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 49.486366][ C1] Kernel Offset: disabled [ 50.112197][ C1] Rebooting in 86400 seconds..