[ 19.551956][ T372] !!!! cgroup_kn_unlock css_put(ffff8881045a0000) [ 19.558943][ T372] !!!! cgroup_kn_unlock css_put(ffff88811d7fc010) [ 19.565881][ T372] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 19.575884][ T372] !!!! cgroup_kn_unlock css_put(ffff8881045a4000) [ 20.084981][ T9] device bridge_slave_1 left promiscuous mode [ 20.091276][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.099294][ T9] device bridge_slave_0 left promiscuous mode [ 20.105580][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.494546][ T23] kauditd_printk_skb: 64 callbacks suppressed [ 30.494554][ T23] audit: type=1400 audit(1654544948.430:147): 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 '10.128.0.162' (ECDSA) to the list of known hosts. 2022/06/06 19:49:15 parsed 1 programs [ 37.499408][ T23] audit: type=1400 audit(1654544955.440:148): avc: denied { mounton } for pid=401 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 [ 37.499605][ T401] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 37.529403][ T401] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 37.535977][ T401] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 37.542551][ T401] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) 2022/06/06 19:49:15 executed programs: 0 [ 37.549445][ T401] cgroup: Unknown subsys name 'net' [ 37.555033][ T401] cgroup: Unknown subsys name 'devices' [ 37.561630][ T401] cgroup: Unknown subsys name 'hugetlb' [ 37.567424][ T401] cgroup: Unknown subsys name 'rlimit' [ 37.573900][ T23] audit: type=1400 audit(1654544955.510:149): avc: denied { mounton } for pid=401 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 [ 37.614343][ T23] audit: type=1400 audit(1654544955.510:150): avc: denied { mount } for pid=401 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 [ 37.649081][ T23] audit: type=1400 audit(1654544955.540:151): avc: denied { mounton } for pid=406 comm="syz-executor.0" 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 [ 37.676407][ T23] audit: type=1400 audit(1654544955.540:152): avc: denied { module_request } for pid=406 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 37.711727][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.718831][ T406] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.726386][ T406] device bridge_slave_0 entered promiscuous mode [ 37.734296][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.741822][ T406] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.749382][ T406] device bridge_slave_1 entered promiscuous mode [ 37.821439][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.828743][ T410] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.836517][ T410] device bridge_slave_0 entered promiscuous mode [ 37.844166][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.851314][ T410] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.859006][ T410] device bridge_slave_1 entered promiscuous mode [ 37.873348][ T408] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.880564][ T408] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.888008][ T408] device bridge_slave_0 entered promiscuous mode [ 37.905210][ T408] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.912446][ T408] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.920006][ T408] device bridge_slave_1 entered promiscuous mode [ 37.969638][ T414] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.977132][ T414] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.985338][ T414] device bridge_slave_0 entered promiscuous mode [ 37.993272][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.000394][ T406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.007828][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.015219][ T406] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.033745][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.040992][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.048624][ T417] device bridge_slave_0 entered promiscuous mode [ 38.055707][ T414] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.062884][ T414] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.070339][ T414] device bridge_slave_1 entered promiscuous mode [ 38.094837][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.101972][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.109744][ T417] device bridge_slave_1 entered promiscuous mode [ 38.157861][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.166234][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.175807][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.183180][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.203823][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.211826][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.225360][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.232412][ T416] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.239982][ T416] device bridge_slave_0 entered promiscuous mode [ 38.255210][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.263540][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.275608][ T416] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.282796][ T416] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.290535][ T416] device bridge_slave_1 entered promiscuous mode [ 38.340473][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.374705][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.396884][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.405246][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.413596][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.420808][ T377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.434872][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.442632][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.451131][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.458544][ T377] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.466454][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.505252][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.512850][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.521675][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.529695][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.538061][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.545209][ T377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.552516][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.560730][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.567881][ T377] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.575497][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.583879][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.592178][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.600172][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.608416][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.616782][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.623812][ T377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.631736][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.640302][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.647393][ T377] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.655432][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.663431][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.674726][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.682992][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.691516][ T108] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.698561][ T108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.706293][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.715203][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.723360][ T108] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.730516][ T108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.738189][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.766709][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.775453][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.784002][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.792209][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.802081][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.810716][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.819106][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.828035][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.836279][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.843914][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.851716][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.860202][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.868980][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.876097][ T377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.883638][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.891923][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.900310][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.907455][ T377] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.916285][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.924932][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.933676][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.942283][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.958219][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.966068][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.974213][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.982964][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.991691][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.001532][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.009862][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.027831][ T23] audit: type=1400 audit(1654544956.970:153): avc: denied { mount } for pid=406 comm="syz-executor.0" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 39.040087][ T406] !!!! cgroup_kn_unlock css_put(ffff88811f4fa000) [ 39.060093][ T406] !!!! cgroup_kn_unlock css_put(ffff8881045a0000) [ 39.067326][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.067609][ T406] !!!! cgroup_kn_unlock css_put(ffff8881045a4000) [ 39.076067][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.091732][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.094475][ T436] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 39.100277][ T23] audit: type=1400 audit(1654544957.030:154): avc: denied { mounton } for pid=435 comm="syz-executor.0" path="/root/syzkaller-testdir505515401/syzkaller.sLd5BK/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 39.102869][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.144032][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.152122][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.160490][ T377] !!!! css_release enqueue(ffff8881055b6400) [ 39.160522][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.167490][ T436] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 39.175588][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.191259][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.198469][ T438] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 39.203256][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.216450][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.225113][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.225193][ T377] !!!! css_release enqueue(ffff88810fccf000) [ 39.233375][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.240243][ T438] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 39.267857][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.269910][ T442] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 39.276555][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.292417][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.301765][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.301891][ T376] !!!! css_release enqueue(ffff88810fe4e400) [ 39.310092][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.316328][ T442] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 39.324447][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.344413][ T444] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 39.353457][ T414] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 39.361916][ T417] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 39.362012][ T414] !!!! cgroup_kn_unlock css_put(ffff8881100ea000) [ 39.382284][ T417] !!!! cgroup_kn_unlock css_put(ffff88811014a000) [ 39.384028][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.389727][ T44] !!!! css_release enqueue(ffff888122028400) [ 39.397733][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.403283][ T414] !!!! cgroup_kn_unlock css_put(ffff88811d7e8010) [ 39.411661][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.419375][ T417] !!!! cgroup_kn_unlock css_put(ffff88811d7e8010) [ 39.427306][ T444] FAULT_INJECTION: forcing a failure. [ 39.427306][ T444] name failslab, interval 1, probability 0, space 0, times 1 [ 39.446594][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.446822][ T444] CPU: 0 PID: 444 Comm: syz-executor.0 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 39.454821][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.464730][ T444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.464735][ T444] Call Trace: [ 39.464758][ T444] dump_stack_lvl+0x1e2/0x24b [ 39.464768][ T444] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.464779][ T444] ? selinux_kernfs_init_security+0x1a8/0x760 [ 39.464787][ T444] dump_stack+0x15/0x17 [ 39.464795][ T444] should_fail+0x3c0/0x510 [ 39.464805][ T444] ? __kernfs_new_node+0x99/0x6e0 [ 39.464816][ T444] __should_failslab+0x9f/0xe0 [ 39.464828][ T444] should_failslab+0x9/0x20 [ 39.464849][ T444] __kmalloc_track_caller+0x5f/0x350 [ 39.473141][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.483049][ T444] kstrdup_const+0x55/0x90 [ 39.483058][ T444] __kernfs_new_node+0x99/0x6e0 [ 39.483069][ T444] ? is_module_text_address+0xe1/0x140 [ 39.483077][ T444] ? kernfs_new_node+0x170/0x170 [ 39.483088][ T444] ? ptr_to_hashval+0x60/0x60 [ 39.483096][ T444] ? arch_stack_walk+0xf8/0x140 [ 39.483113][ T444] ? snprintf+0xd6/0x120 [ 39.486706][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.491081][ T444] kernfs_new_node+0x97/0x170 [ 39.497292][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.502927][ T444] __kernfs_create_file+0x4a/0x270 [ 39.508727][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.511686][ T444] cgroup_addrm_files+0xab8/0xfe0 [ 39.517546][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.521547][ T444] ? ____kasan_kmalloc+0xdc/0x110 [ 39.526598][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.531341][ T444] ? __kasan_kmalloc+0x9/0x10 [ 39.540589][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.543717][ T444] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 39.549134][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.554002][ T444] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 39.559733][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.563794][ T444] ? delete_node+0x759/0x7b0 [ 39.677918][ T444] ? __kasan_check_read+0x11/0x20 [ 39.682952][ T444] ? delete_node+0x759/0x7b0 [ 39.687523][ T444] ? __kasan_check_write+0x14/0x20 [ 39.692619][ T444] ? idr_replace+0x1c4/0x230 [ 39.697277][ T444] ? idr_get_next+0x4b0/0x4b0 [ 39.701929][ T444] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 39.706928][ T444] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 39.712103][ T444] css_populate_dir+0x137/0x370 [ 39.717016][ T444] cgroup_apply_control_enable+0x8b9/0x12f0 [ 39.723247][ T444] cgroup_apply_control+0x93/0x710 [ 39.728421][ T444] ? css_next_child+0x160/0x160 [ 39.733297][ T444] ? io_schedule+0x120/0x120 [ 39.737951][ T444] ? kernfs_fop_write_iter+0x15e/0x410 [ 39.743385][ T444] ? __kasan_check_write+0x14/0x20 [ 39.748662][ T444] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 39.753922][ T444] cgroup_subtree_control_write+0xd19/0x1310 [ 39.759968][ T444] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 39.765925][ T444] ? __kasan_check_write+0x14/0x20 [ 39.771230][ T444] ? _copy_from_iter+0x3fb/0xd60 [ 39.776255][ T444] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 39.782230][ T444] cgroup_file_write+0x28e/0x590 [ 39.787156][ T444] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.792784][ T444] ? mutex_lock+0xa6/0x110 [ 39.797173][ T444] ? mutex_trylock+0xb0/0xb0 [ 39.801749][ T444] ? __kasan_check_write+0x14/0x20 [ 39.807096][ T444] kernfs_fop_write_iter+0x2d0/0x410 [ 39.812352][ T444] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.817451][ T444] vfs_write+0xc1c/0xf40 [ 39.821785][ T444] ? kernel_write+0x3c0/0x3c0 [ 39.826469][ T444] ? mutex_trylock+0xb0/0xb0 [ 39.831146][ T444] ? __fdget_pos+0x26d/0x310 [ 39.835812][ T444] ? ksys_write+0x77/0x2c0 [ 39.840299][ T444] ksys_write+0x198/0x2c0 [ 39.844646][ T444] ? __ia32_sys_read+0x90/0x90 [ 39.849539][ T444] ? debug_smp_processor_id+0x17/0x20 [ 39.855001][ T444] __x64_sys_write+0x7b/0x90 [ 39.859726][ T444] do_syscall_64+0x34/0x70 [ 39.864222][ T444] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.870225][ T444] RIP: 0033:0x7fbcee5610e9 [ 39.874955][ T444] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.894821][ T444] RSP: 002b:00007fbcee4d7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.903236][ T444] RAX: ffffffffffffffda RBX: 00007fbcee673f60 RCX: 00007fbcee5610e9 [ 39.911444][ T444] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.919723][ T444] RBP: 00007fbcee4d71d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.927708][ T444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.935762][ T444] R13: 00007ffcf7f183cf R14: 00007fbcee4d7300 R15: 0000000000022000 [ 39.947009][ T444] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 39.960889][ T444] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 39.961075][ T417] !!!! cgroup_kn_unlock css_put(ffff88811021c000) [ 39.974205][ T414] !!!! cgroup_kn_unlock css_put(ffff888110218000) [ 39.982757][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.991456][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.002038][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.011642][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.020379][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.029066][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.037893][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.046741][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.055318][ T23] audit: type=1400 audit(1654544958.000:155): 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 [ 40.077655][ T23] audit: type=1400 audit(1654544958.000:156): 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 [ 40.104830][ T23] audit: type=1400 audit(1654544958.000:157): 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 [ 40.128633][ T417] !!!! cgroup_kn_unlock css_put(ffff88811d7fc010) [ 40.129276][ T416] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 40.145885][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.154092][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.162903][ T414] !!!! cgroup_kn_unlock css_put(ffff88811d7fc010) [ 40.165255][ T108] !!!! css_release enqueue(ffff888110312000) [ 40.177973][ T408] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 40.178103][ T417] !!!! cgroup_kn_unlock css_put(ffff888110270000) [ 40.185285][ T416] !!!! cgroup_kn_unlock css_put(ffff88811048e000) [ 40.191764][ T414] !!!! cgroup_kn_unlock css_put(ffff888110830000) [ 40.198584][ T24] !!!! css_release enqueue(ffff888110312800) [ 40.221385][ T108] !!!! css_release enqueue(ffff888110312400) [ 40.228108][ T408] !!!! cgroup_kn_unlock css_put(ffff88810ffd6000) [ 40.230092][ T416] !!!! cgroup_kn_unlock css_put(ffff88811d7e8010) [ 40.237724][ T452] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 40.241802][ T410] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 40.248536][ T416] !!!! cgroup_kn_unlock css_put(ffff88811086c000) [ 40.255686][ T454] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 40.261714][ T408] !!!! cgroup_kn_unlock css_put(ffff88811d7e8010) [ 40.268797][ T410] !!!! cgroup_kn_unlock css_put(ffff88811086e000) [ 40.275309][ T416] !!!! cgroup_kn_unlock css_put(ffff88811d7fc010) [ 40.283139][ T454] FAULT_INJECTION: forcing a failure. [ 40.283139][ T454] name failslab, interval 1, probability 0, space 0, times 0 [ 40.300793][ T454] CPU: 0 PID: 454 Comm: syz-executor.0 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 40.310933][ T454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.321075][ T454] Call Trace: [ 40.324641][ T454] dump_stack_lvl+0x1e2/0x24b [ 40.329599][ T454] ? panic+0x7d7/0x7d7 [ 40.333668][ T454] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.339119][ T454] ? selinux_kernfs_init_security+0x1a8/0x760 [ 40.345502][ T454] dump_stack+0x15/0x17 [ 40.349750][ T454] should_fail+0x3c0/0x510 [ 40.354154][ T454] __should_failslab+0x9f/0xe0 [ 40.359034][ T454] should_failslab+0x9/0x20 [ 40.363702][ T454] kmem_cache_alloc+0x3f/0x300 [ 40.368570][ T454] ? __kernfs_new_node+0xdb/0x6e0 [ 40.373673][ T454] __kernfs_new_node+0xdb/0x6e0 [ 40.378851][ T454] ? is_module_text_address+0xe1/0x140 [ 40.384306][ T454] ? kernfs_new_node+0x170/0x170 [ 40.389293][ T454] ? ptr_to_hashval+0x60/0x60 [ 40.393981][ T454] ? arch_stack_walk+0xf8/0x140 [ 40.398921][ T454] ? snprintf+0xd6/0x120 [ 40.403215][ T454] kernfs_new_node+0x97/0x170 [ 40.407974][ T454] __kernfs_create_file+0x4a/0x270 [ 40.413168][ T454] cgroup_addrm_files+0xab8/0xfe0 [ 40.418351][ T454] ? ____kasan_kmalloc+0xdc/0x110 [ 40.423622][ T454] ? __kasan_kmalloc+0x9/0x10 [ 40.428484][ T454] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 40.434029][ T454] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 40.441140][ T454] ? delete_node+0x759/0x7b0 [ 40.445723][ T454] ? __kasan_check_read+0x11/0x20 [ 40.450840][ T454] ? delete_node+0x759/0x7b0 [ 40.455809][ T454] ? __kasan_check_write+0x14/0x20 [ 40.461099][ T454] ? idr_replace+0x1c4/0x230 [ 40.465690][ T454] ? idr_get_next+0x4b0/0x4b0 [ 40.470393][ T454] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 40.475435][ T454] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 40.480734][ T454] css_populate_dir+0x137/0x370 [ 40.485579][ T454] cgroup_apply_control_enable+0x8b9/0x12f0 [ 40.491604][ T454] cgroup_apply_control+0x93/0x710 [ 40.496821][ T454] ? css_next_child+0x160/0x160 [ 40.501670][ T454] ? io_schedule+0x120/0x120 [ 40.507121][ T454] ? kernfs_fop_write_iter+0x15e/0x410 [ 40.512586][ T454] ? __kasan_check_write+0x14/0x20 [ 40.517707][ T454] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 40.522991][ T454] cgroup_subtree_control_write+0xd19/0x1310 [ 40.528967][ T454] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.535126][ T454] ? __kasan_check_write+0x14/0x20 [ 40.540229][ T454] ? _copy_from_iter+0x3fb/0xd60 [ 40.545150][ T454] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.551110][ T454] cgroup_file_write+0x28e/0x590 [ 40.556050][ T454] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.561148][ T454] ? mutex_lock+0xa6/0x110 [ 40.565560][ T454] ? mutex_trylock+0xb0/0xb0 [ 40.570153][ T454] ? __kasan_check_write+0x14/0x20 [ 40.575247][ T454] kernfs_fop_write_iter+0x2d0/0x410 [ 40.580690][ T454] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.585787][ T454] vfs_write+0xc1c/0xf40 [ 40.590034][ T454] ? kernel_write+0x3c0/0x3c0 [ 40.594786][ T454] ? mutex_trylock+0xb0/0xb0 [ 40.599361][ T454] ? __fdget_pos+0x26d/0x310 [ 40.604629][ T454] ? ksys_write+0x77/0x2c0 [ 40.609238][ T454] ksys_write+0x198/0x2c0 [ 40.613570][ T454] ? __ia32_sys_read+0x90/0x90 [ 40.618403][ T454] ? debug_smp_processor_id+0x17/0x20 [ 40.623871][ T454] __x64_sys_write+0x7b/0x90 [ 40.628670][ T454] do_syscall_64+0x34/0x70 [ 40.633302][ T454] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.639263][ T454] RIP: 0033:0x7fbcee5610e9 [ 40.643718][ T454] 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 [ 40.664043][ T454] RSP: 002b:00007fbcee4d7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.672540][ T454] RAX: ffffffffffffffda RBX: 00007fbcee673f60 RCX: 00007fbcee5610e9 [ 40.680505][ T454] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.688469][ T454] RBP: 00007fbcee4d71d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.696529][ T454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.704482][ T454] R13: 00007ffcf7f183cf R14: 00007fbcee4d7300 R15: 0000000000022000 [ 40.717070][ T454] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.724403][ T454] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 40.724488][ T408] !!!! cgroup_kn_unlock css_put(ffff88811091e000) [ 40.736187][ T416] !!!! cgroup_kn_unlock css_put(ffff88811091c000) [ 40.738877][ T410] !!!! cgroup_kn_unlock css_put(ffff88811d7e8010) [ 40.751227][ T410] !!!! cgroup_kn_unlock css_put(ffff888110918000) [ 40.758638][ T408] !!!! cgroup_kn_unlock css_put(ffff88811d7fc010) [ 40.767790][ T408] !!!! cgroup_kn_unlock css_put(ffff8881108f2000) [ 40.772213][ T410] !!!! cgroup_kn_unlock css_put(ffff88811d7fc010) [ 40.774512][ T5] !!!! css_release enqueue(ffff888110a99800) [ 40.787626][ T410] !!!! cgroup_kn_unlock css_put(ffff888110a5c000) [ 40.794469][ T5] !!!! css_release enqueue(ffff888110a98800) [ 40.802069][ T5] !!!! css_release enqueue(ffff888110a9b400) [ 40.808651][ T458] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 40.808859][ T459] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 40.815969][ T452] FAULT_INJECTION: forcing a failure. [ 40.815969][ T452] name failslab, interval 1, probability 0, space 0, times 0 [ 40.835155][ T452] CPU: 0 PID: 452 Comm: syz-executor.2 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 40.845321][ T452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.855513][ T452] Call Trace: [ 40.858870][ T452] dump_stack_lvl+0x1e2/0x24b [ 40.863719][ T452] ? panic+0x7d7/0x7d7 [ 40.867785][ T452] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.873243][ T452] ? selinux_kernfs_init_security+0x1a8/0x760 [ 40.879430][ T452] dump_stack+0x15/0x17 [ 40.883594][ T452] should_fail+0x3c0/0x510 [ 40.888055][ T452] __should_failslab+0x9f/0xe0 [ 40.892816][ T452] should_failslab+0x9/0x20 [ 40.897407][ T452] kmem_cache_alloc+0x3f/0x300 [ 40.902196][ T452] ? __kernfs_new_node+0xdb/0x6e0 [ 40.907240][ T452] __kernfs_new_node+0xdb/0x6e0 [ 40.912264][ T452] ? is_module_text_address+0xe1/0x140 [ 40.917849][ T452] ? kernfs_new_node+0x170/0x170 [ 40.922794][ T452] ? ptr_to_hashval+0x60/0x60 [ 40.927689][ T452] ? arch_stack_walk+0xf8/0x140 [ 40.933590][ T452] ? snprintf+0xd6/0x120 [ 40.937836][ T452] kernfs_new_node+0x97/0x170 [ 40.942656][ T452] __kernfs_create_file+0x4a/0x270 [ 40.947873][ T452] cgroup_addrm_files+0xab8/0xfe0 [ 40.952895][ T452] ? ____kasan_kmalloc+0xdc/0x110 [ 40.957998][ T452] ? __kasan_kmalloc+0x9/0x10 [ 40.962666][ T452] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 40.968235][ T452] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 40.974384][ T452] ? delete_node+0x759/0x7b0 [ 40.979121][ T452] ? __kasan_check_read+0x11/0x20 [ 40.984151][ T452] ? delete_node+0x759/0x7b0 [ 40.988829][ T452] ? __kasan_check_write+0x14/0x20 [ 40.993978][ T452] ? idr_replace+0x1c4/0x230 [ 40.998572][ T452] ? idr_get_next+0x4b0/0x4b0 [ 41.003799][ T452] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 41.008840][ T452] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 41.014055][ T452] css_populate_dir+0x137/0x370 [ 41.019001][ T452] cgroup_apply_control_enable+0x8b9/0x12f0 [ 41.024898][ T452] cgroup_apply_control+0x93/0x710 [ 41.030036][ T452] ? css_next_child+0x160/0x160 [ 41.034915][ T452] ? io_schedule+0x120/0x120 [ 41.039497][ T452] ? kernfs_fop_write_iter+0x15e/0x410 [ 41.044944][ T452] ? __kasan_check_write+0x14/0x20 [ 41.050052][ T452] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 41.055349][ T452] cgroup_subtree_control_write+0xd19/0x1310 [ 41.061900][ T452] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.068017][ T452] ? __kasan_check_write+0x14/0x20 [ 41.073220][ T452] ? _copy_from_iter+0x3fb/0xd60 [ 41.078468][ T452] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.084451][ T452] cgroup_file_write+0x28e/0x590 [ 41.089382][ T452] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.094509][ T452] ? mutex_lock+0xa6/0x110 [ 41.099093][ T452] ? mutex_trylock+0xb0/0xb0 [ 41.103785][ T452] ? __kasan_check_write+0x14/0x20 [ 41.110816][ T452] kernfs_fop_write_iter+0x2d0/0x410 [ 41.116181][ T452] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.121411][ T452] vfs_write+0xc1c/0xf40 [ 41.125643][ T452] ? kernel_write+0x3c0/0x3c0 [ 41.130320][ T452] ? mutex_trylock+0xb0/0xb0 [ 41.134942][ T452] ? __fdget_pos+0x26d/0x310 [ 41.139634][ T452] ? ksys_write+0x77/0x2c0 [ 41.144052][ T452] ksys_write+0x198/0x2c0 [ 41.148462][ T452] ? __ia32_sys_read+0x90/0x90 [ 41.153239][ T452] ? debug_smp_processor_id+0x17/0x20 [ 41.158724][ T452] __x64_sys_write+0x7b/0x90 [ 41.163333][ T452] do_syscall_64+0x34/0x70 [ 41.167765][ T452] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.173652][ T452] RIP: 0033:0x7fb54eff20e9 [ 41.178077][ T452] 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 [ 41.198110][ T452] RSP: 002b:00007fb54ef68168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.206798][ T452] RAX: ffffffffffffffda RBX: 00007fb54f104f60 RCX: 00007fb54eff20e9 [ 41.215002][ T452] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.223091][ T452] RBP: 00007fb54ef681d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.231175][ T452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.239238][ T452] R13: 00007fff5c3f39af R14: 00007fb54ef68300 R15: 0000000000022000 [ 41.251701][ T452] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.259013][ T452] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 41.285064][ T108] !!!! css_release enqueue(ffff8881109ac000) [ 41.291261][ T108] !!!! css_release enqueue(ffff8881109adc00) [ 41.298160][ T440] !!!! css_release enqueue(ffff8881109acc00) [ 41.304363][ T451] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 41.305090][ T464] FAULT_INJECTION: forcing a failure. [ 41.305090][ T464] name failslab, interval 1, probability 0, space 0, times 0 [ 41.324879][ T464] CPU: 1 PID: 464 Comm: syz-executor.3 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 41.335463][ T464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.345785][ T464] Call Trace: [ 41.349068][ T464] dump_stack_lvl+0x1e2/0x24b [ 41.353728][ T464] ? panic+0x7d7/0x7d7 [ 41.358121][ T464] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.363699][ T464] ? selinux_kernfs_init_security+0x1a8/0x760 [ 41.369750][ T464] dump_stack+0x15/0x17 [ 41.373913][ T464] should_fail+0x3c0/0x510 [ 41.378343][ T464] __should_failslab+0x9f/0xe0 [ 41.383122][ T464] should_failslab+0x9/0x20 [ 41.388127][ T464] kmem_cache_alloc+0x3f/0x300 [ 41.392969][ T464] ? __kernfs_new_node+0xdb/0x6e0 [ 41.398116][ T464] __kernfs_new_node+0xdb/0x6e0 [ 41.402982][ T464] ? is_module_text_address+0xe1/0x140 [ 41.408428][ T464] ? kernfs_new_node+0x170/0x170 [ 41.413369][ T464] ? ptr_to_hashval+0x60/0x60 [ 41.418059][ T464] ? arch_stack_walk+0xf8/0x140 [ 41.422996][ T464] ? snprintf+0xd6/0x120 [ 41.427265][ T464] kernfs_new_node+0x97/0x170 [ 41.432007][ T464] __kernfs_create_file+0x4a/0x270 [ 41.437118][ T464] cgroup_addrm_files+0xab8/0xfe0 [ 41.442164][ T464] ? ____kasan_kmalloc+0xdc/0x110 [ 41.447177][ T464] ? __kasan_kmalloc+0x9/0x10 [ 41.451852][ T464] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 41.458177][ T464] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 41.464407][ T464] ? delete_node+0x759/0x7b0 [ 41.469021][ T464] ? __kasan_check_read+0x11/0x20 [ 41.474209][ T464] ? delete_node+0x759/0x7b0 [ 41.478876][ T464] ? __kasan_check_write+0x14/0x20 [ 41.483994][ T464] ? idr_replace+0x1c4/0x230 [ 41.488584][ T464] ? idr_get_next+0x4b0/0x4b0 [ 41.494555][ T464] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 41.499743][ T464] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 41.505081][ T464] css_populate_dir+0x137/0x370 [ 41.509926][ T464] cgroup_apply_control_enable+0x8b9/0x12f0 [ 41.515816][ T464] cgroup_apply_control+0x93/0x710 [ 41.521158][ T464] ? css_next_child+0x160/0x160 [ 41.526007][ T464] ? io_schedule+0x120/0x120 [ 41.530596][ T464] ? kernfs_fop_write_iter+0x15e/0x410 [ 41.536241][ T464] ? __kasan_check_write+0x14/0x20 [ 41.541348][ T464] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 41.546648][ T464] cgroup_subtree_control_write+0xd19/0x1310 [ 41.552826][ T464] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.558798][ T464] ? __kasan_check_write+0x14/0x20 [ 41.564607][ T464] ? _copy_from_iter+0x3fb/0xd60 [ 41.569641][ T464] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.576395][ T464] cgroup_file_write+0x28e/0x590 [ 41.581327][ T464] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.586452][ T464] ? mutex_lock+0xa6/0x110 [ 41.590858][ T464] ? mutex_trylock+0xb0/0xb0 [ 41.595596][ T464] ? __kasan_check_write+0x14/0x20 [ 41.600703][ T464] kernfs_fop_write_iter+0x2d0/0x410 [ 41.605973][ T464] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.611195][ T464] vfs_write+0xc1c/0xf40 [ 41.615530][ T464] ? kernel_write+0x3c0/0x3c0 [ 41.620236][ T464] ? mutex_trylock+0xb0/0xb0 [ 41.624812][ T464] ? __fdget_pos+0x26d/0x310 [ 41.629463][ T464] ? ksys_write+0x77/0x2c0 [ 41.633876][ T464] ksys_write+0x198/0x2c0 [ 41.639371][ T464] ? __ia32_sys_read+0x90/0x90 [ 41.644134][ T464] ? debug_smp_processor_id+0x17/0x20 [ 41.649671][ T464] __x64_sys_write+0x7b/0x90 [ 41.654370][ T464] do_syscall_64+0x34/0x70 [ 41.658787][ T464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.665997][ T464] RIP: 0033:0x7f3ecd0f30e9 [ 41.670397][ 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 [ 41.690373][ T464] RSP: 002b:00007f3ecd048168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.698988][ T464] RAX: ffffffffffffffda RBX: 00007f3ecd206030 RCX: 00007f3ecd0f30e9 [ 41.707154][ T464] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.715212][ T464] RBP: 00007f3ecd0481d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.723574][ T464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.731559][ T464] R13: 00007ffd241f85cf R14: 00007f3ecd048300 R15: 0000000000022000 [ 41.742812][ T464] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.750209][ T464] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 41.785072][ T108] !!!! css_release enqueue(ffff888111585400) [ 41.791278][ T108] !!!! css_release enqueue(ffff888111585000) [ 41.797602][ T108] !!!! css_release enqueue(ffff888111587c00) [ 41.804048][ T461] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 41.804877][ T455] FAULT_INJECTION: forcing a failure. [ 41.804877][ T455] name failslab, interval 1, probability 0, space 0, times 0 [ 41.823731][ T455] CPU: 0 PID: 455 Comm: syz-executor.5 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 41.833968][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.844007][ T455] Call Trace: [ 41.847386][ T455] dump_stack_lvl+0x1e2/0x24b [ 41.852070][ T455] ? panic+0x7d7/0x7d7 [ 41.856234][ T455] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.861875][ T455] ? __irq_exit_rcu+0x41/0x150 [ 41.866638][ T455] ? irqentry_exit+0x50/0x60 [ 41.871308][ T455] dump_stack+0x15/0x17 [ 41.875459][ T455] should_fail+0x3c0/0x510 [ 41.879866][ T455] __should_failslab+0x9f/0xe0 [ 41.884719][ T455] should_failslab+0x9/0x20 [ 41.889217][ T455] kmem_cache_alloc+0x3f/0x300 [ 41.894104][ T455] ? __kernfs_new_node+0xdb/0x6e0 [ 41.899134][ T455] __kernfs_new_node+0xdb/0x6e0 [ 41.903982][ T455] ? is_module_text_address+0xe1/0x140 [ 41.909443][ T455] ? kernfs_new_node+0x170/0x170 [ 41.914401][ T455] ? ptr_to_hashval+0x60/0x60 [ 41.919123][ T455] ? arch_stack_walk+0xf8/0x140 [ 41.923984][ T455] ? snprintf+0xd6/0x120 [ 41.928349][ T455] kernfs_new_node+0x97/0x170 [ 41.933014][ T455] __kernfs_create_file+0x4a/0x270 [ 41.938116][ T455] cgroup_addrm_files+0xab8/0xfe0 [ 41.943152][ T455] ? ____kasan_kmalloc+0xdc/0x110 [ 41.948182][ T455] ? __kasan_kmalloc+0x9/0x10 [ 41.952888][ T455] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 41.958639][ T455] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 41.965050][ T455] ? delete_node+0x759/0x7b0 [ 41.969637][ T455] ? __kasan_check_read+0x11/0x20 [ 41.974656][ T455] ? delete_node+0x759/0x7b0 [ 41.979246][ T455] ? __kasan_check_write+0x14/0x20 [ 41.984719][ T455] ? idr_replace+0x1c4/0x230 [ 41.989410][ T455] ? idr_get_next+0x4b0/0x4b0 [ 41.994077][ T455] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 41.999180][ T455] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 42.004461][ T455] css_populate_dir+0x137/0x370 [ 42.009309][ T455] cgroup_apply_control_enable+0x8b9/0x12f0 [ 42.015207][ T455] cgroup_apply_control+0x93/0x710 [ 42.020452][ T455] ? css_next_child+0x160/0x160 [ 42.025304][ T455] ? dequeue_task_fair+0x7ad/0xb50 [ 42.030732][ T455] ? io_schedule+0x120/0x120 [ 42.035312][ T455] ? kernfs_fop_write_iter+0x15e/0x410 [ 42.040820][ T455] ? __kasan_check_write+0x14/0x20 [ 42.045925][ T455] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 42.051202][ T455] cgroup_subtree_control_write+0xd19/0x1310 [ 42.057174][ T455] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.063466][ T455] ? __kasan_check_write+0x14/0x20 [ 42.068594][ T455] ? _copy_from_iter+0x3fb/0xd60 [ 42.073577][ T455] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.079572][ T455] cgroup_file_write+0x28e/0x590 [ 42.084592][ T455] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.089871][ T455] ? mutex_lock+0xa6/0x110 [ 42.094275][ T455] ? mutex_trylock+0xb0/0xb0 [ 42.098872][ T455] ? __kasan_check_write+0x14/0x20 [ 42.103982][ T455] kernfs_fop_write_iter+0x2d0/0x410 [ 42.109444][ T455] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.114556][ T455] vfs_write+0xc1c/0xf40 [ 42.118791][ T455] ? kernel_write+0x3c0/0x3c0 [ 42.123626][ T455] ? mutex_trylock+0xb0/0xb0 [ 42.128215][ T455] ? __fdget_pos+0x26d/0x310 [ 42.133057][ T455] ? ksys_write+0x77/0x2c0 [ 42.137466][ T455] ksys_write+0x198/0x2c0 [ 42.141777][ T455] ? __ia32_sys_read+0x90/0x90 [ 42.146686][ T455] ? debug_smp_processor_id+0x17/0x20 [ 42.152053][ T455] __x64_sys_write+0x7b/0x90 [ 42.156643][ T455] do_syscall_64+0x34/0x70 [ 42.161038][ T455] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.167016][ T455] RIP: 0033:0x7fb7352300e9 [ 42.171422][ T455] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.191108][ T455] RSP: 002b:00007fb735185168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.199622][ T455] RAX: ffffffffffffffda RBX: 00007fb735343030 RCX: 00007fb7352300e9 [ 42.207705][ T455] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.215681][ T455] RBP: 00007fb7351851d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.223755][ T455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.231719][ T455] R13: 00007ffe95ec32cf R14: 00007fb735185300 R15: 0000000000022000 [ 42.241153][ T455] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.248316][ T455] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 42.284891][ T376] !!!! css_release enqueue(ffff888111624c00) [ 42.291221][ T376] !!!! css_release enqueue(ffff888111625c00) [ 42.297602][ T376] !!!! css_release enqueue(ffff88811152e000) [ 42.304553][ T466] FAULT_INJECTION: forcing a failure. [ 42.304553][ T466] name failslab, interval 1, probability 0, space 0, times 0 [ 42.317733][ T466] CPU: 0 PID: 466 Comm: syz-executor.1 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 42.328149][ T466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.338326][ T466] Call Trace: [ 42.341624][ T466] dump_stack_lvl+0x1e2/0x24b [ 42.346280][ T466] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.351715][ T466] ? selinux_kernfs_init_security+0x1a8/0x760 [ 42.357762][ T466] dump_stack+0x15/0x17 [ 42.361907][ T466] should_fail+0x3c0/0x510 [ 42.366415][ T466] ? __kernfs_new_node+0x99/0x6e0 [ 42.371675][ T466] __should_failslab+0x9f/0xe0 [ 42.376419][ T466] should_failslab+0x9/0x20 [ 42.381074][ T466] __kmalloc_track_caller+0x5f/0x350 [ 42.386333][ T466] kstrdup_const+0x55/0x90 [ 42.390723][ T466] __kernfs_new_node+0x99/0x6e0 [ 42.395559][ T466] ? is_module_text_address+0xe1/0x140 [ 42.401393][ T466] ? kernfs_new_node+0x170/0x170 [ 42.406312][ T466] ? ptr_to_hashval+0x60/0x60 [ 42.411183][ T466] ? arch_stack_walk+0xf8/0x140 [ 42.416133][ T466] ? snprintf+0xd6/0x120 [ 42.420366][ T466] kernfs_new_node+0x97/0x170 [ 42.425170][ T466] __kernfs_create_file+0x4a/0x270 [ 42.430372][ T466] cgroup_addrm_files+0xab8/0xfe0 [ 42.435468][ T466] ? ____kasan_kmalloc+0xdc/0x110 [ 42.441340][ T466] ? __kasan_kmalloc+0x9/0x10 [ 42.446108][ T466] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 42.451808][ T466] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 42.457959][ T466] ? delete_node+0x759/0x7b0 [ 42.462529][ T466] ? __kasan_check_read+0x11/0x20 [ 42.467630][ T466] ? delete_node+0x759/0x7b0 [ 42.472351][ T466] ? __kasan_check_write+0x14/0x20 [ 42.477471][ T466] ? idr_replace+0x1c4/0x230 [ 42.482078][ T466] ? idr_get_next+0x4b0/0x4b0 [ 42.486866][ T466] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 42.492123][ T466] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 42.497690][ T466] css_populate_dir+0x137/0x370 [ 42.502531][ T466] cgroup_apply_control_enable+0x8b9/0x12f0 [ 42.508431][ T466] cgroup_apply_control+0x93/0x710 [ 42.513746][ T466] ? css_next_child+0x160/0x160 [ 42.520338][ T466] ? dequeue_task_fair+0x7ad/0xb50 [ 42.525626][ T466] ? io_schedule+0x120/0x120 [ 42.530269][ T466] ? kernfs_fop_write_iter+0x15e/0x410 [ 42.535906][ T466] ? __kasan_check_write+0x14/0x20 [ 42.541114][ T466] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 42.546394][ T466] cgroup_subtree_control_write+0xd19/0x1310 [ 42.552481][ T466] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.558463][ T466] ? __kasan_check_write+0x14/0x20 [ 42.563915][ T466] ? _copy_from_iter+0x3fb/0xd60 [ 42.568838][ T466] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.574806][ T466] cgroup_file_write+0x28e/0x590 [ 42.579907][ T466] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.585238][ T466] ? mutex_lock+0xa6/0x110 [ 42.589644][ T466] ? mutex_trylock+0xb0/0xb0 [ 42.594316][ T466] ? __kasan_check_write+0x14/0x20 [ 42.599525][ T466] kernfs_fop_write_iter+0x2d0/0x410 [ 42.605099][ T466] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.610341][ T466] vfs_write+0xc1c/0xf40 [ 42.614759][ T466] ? kernel_write+0x3c0/0x3c0 [ 42.619858][ T466] ? mutex_trylock+0xb0/0xb0 [ 42.624445][ T466] ? __fdget_pos+0x26d/0x310 [ 42.629303][ T466] ? ksys_write+0x77/0x2c0 [ 42.633783][ T466] ksys_write+0x198/0x2c0 [ 42.638129][ T466] ? __ia32_sys_read+0x90/0x90 [ 42.642896][ T466] ? debug_smp_processor_id+0x17/0x20 [ 42.648486][ T466] __x64_sys_write+0x7b/0x90 [ 42.653146][ T466] do_syscall_64+0x34/0x70 [ 42.657595][ T466] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.663474][ T466] RIP: 0033:0x7f1da03cf0e9 [ 42.667875][ T466] 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 [ 42.687499][ T466] RSP: 002b:00007f1da0324168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.696083][ T466] RAX: ffffffffffffffda RBX: 00007f1da04e2030 RCX: 00007f1da03cf0e9 [ 42.704290][ T466] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.712530][ T466] RBP: 00007f1da03241d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.721074][ T466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 2022/06/06 19:49:20 executed programs: 16 [ 42.729607][ T466] R13: 00007fff4531b15f R14: 00007f1da0324300 R15: 0000000000022000 [ 42.739137][ T466] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.746496][ T466] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 42.764763][ T108] !!!! css_release enqueue(ffff8881109afc00) [ 42.771405][ T108] !!!! css_release enqueue(ffff888111375c00) [ 42.778113][ T108] !!!! css_release enqueue(ffff888111374c00) [ 42.784369][ T477] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 42.784391][ T475] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 42.798346][ T459] FAULT_INJECTION: forcing a failure. [ 42.798346][ T459] name failslab, interval 1, probability 0, space 0, times 0 [ 42.812273][ T459] CPU: 1 PID: 459 Comm: syz-executor.0 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 42.823425][ T459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.833942][ T459] Call Trace: [ 42.837240][ T459] dump_stack_lvl+0x1e2/0x24b [ 42.842020][ T459] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.847743][ T459] ? selinux_kernfs_init_security+0x1a8/0x760 [ 42.853989][ T459] dump_stack+0x15/0x17 [ 42.858146][ T459] should_fail+0x3c0/0x510 [ 42.862715][ T459] ? __kernfs_new_node+0x99/0x6e0 [ 42.867853][ T459] __should_failslab+0x9f/0xe0 [ 42.872644][ T459] should_failslab+0x9/0x20 [ 42.877238][ T459] __kmalloc_track_caller+0x5f/0x350 [ 42.882540][ T459] kstrdup_const+0x55/0x90 [ 42.887056][ T459] __kernfs_new_node+0x99/0x6e0 [ 42.892013][ T459] ? is_module_text_address+0xe1/0x140 [ 42.897561][ T459] ? kernfs_new_node+0x170/0x170 [ 42.902501][ T459] ? ptr_to_hashval+0x60/0x60 [ 42.907169][ T459] ? arch_stack_walk+0xf8/0x140 [ 42.912101][ T459] ? snprintf+0xd6/0x120 [ 42.916346][ T459] kernfs_new_node+0x97/0x170 [ 42.921096][ T459] __kernfs_create_file+0x4a/0x270 [ 42.926255][ T459] cgroup_addrm_files+0xab8/0xfe0 [ 42.931286][ T459] ? ____kasan_kmalloc+0xdc/0x110 [ 42.936492][ T459] ? __kasan_kmalloc+0x9/0x10 [ 42.941319][ T459] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 42.946960][ T459] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 42.954306][ T459] ? delete_node+0x759/0x7b0 [ 42.959303][ T459] ? __kasan_check_read+0x11/0x20 [ 42.964610][ T459] ? delete_node+0x759/0x7b0 [ 42.969374][ T459] ? __kasan_check_write+0x14/0x20 [ 42.974763][ T459] ? idr_replace+0x1c4/0x230 [ 42.979594][ T459] ? idr_get_next+0x4b0/0x4b0 [ 42.984381][ T459] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 42.989585][ T459] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 42.995530][ T459] css_populate_dir+0x137/0x370 [ 43.000649][ T459] cgroup_apply_control_enable+0x8b9/0x12f0 [ 43.006569][ T459] cgroup_apply_control+0x93/0x710 [ 43.011702][ T459] ? css_next_child+0x160/0x160 [ 43.016566][ T459] ? io_schedule+0x120/0x120 [ 43.021207][ T459] ? kernfs_fop_write_iter+0x15e/0x410 [ 43.027305][ T459] ? __kasan_check_write+0x14/0x20 [ 43.032712][ T459] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.038217][ T459] cgroup_subtree_control_write+0xd19/0x1310 [ 43.044379][ T459] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.050467][ T459] ? __kasan_check_write+0x14/0x20 [ 43.055603][ T459] ? _copy_from_iter+0x3fb/0xd60 [ 43.060780][ T459] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.066951][ T459] cgroup_file_write+0x28e/0x590 [ 43.071886][ T459] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.077048][ T459] ? mutex_lock+0xa6/0x110 [ 43.081718][ T459] ? mutex_trylock+0xb0/0xb0 [ 43.086526][ T459] ? __kasan_check_write+0x14/0x20 [ 43.091650][ T459] kernfs_fop_write_iter+0x2d0/0x410 [ 43.096935][ T459] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.102065][ T459] vfs_write+0xc1c/0xf40 [ 43.106450][ T459] ? kernel_write+0x3c0/0x3c0 [ 43.111225][ T459] ? mutex_trylock+0xb0/0xb0 [ 43.115818][ T459] ? __fdget_pos+0x26d/0x310 [ 43.120622][ T459] ? ksys_write+0x77/0x2c0 [ 43.125132][ T459] ksys_write+0x198/0x2c0 [ 43.129571][ T459] ? __ia32_sys_read+0x90/0x90 [ 43.134419][ T459] ? debug_smp_processor_id+0x17/0x20 [ 43.139983][ T459] __x64_sys_write+0x7b/0x90 [ 43.144597][ T459] do_syscall_64+0x34/0x70 [ 43.149018][ T459] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.154899][ T459] RIP: 0033:0x7fbcee5610e9 [ 43.159321][ T459] 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 [ 43.179879][ T459] RSP: 002b:00007fbcee4d7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.188425][ T459] RAX: ffffffffffffffda RBX: 00007fbcee673f60 RCX: 00007fbcee5610e9 [ 43.196591][ T459] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.204902][ T459] RBP: 00007fbcee4d71d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.212998][ T459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.221140][ T459] R13: 00007ffcf7f183cf R14: 00007fbcee4d7300 R15: 0000000000022000 [ 43.230468][ T459] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.237783][ T459] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 43.264767][ T376] !!!! css_release enqueue(ffff888111a0b000) [ 43.271091][ T376] !!!! css_release enqueue(ffff888111a0a000) [ 43.277903][ T376] !!!! css_release enqueue(ffff888111a0a800) [ 43.284095][ T481] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 43.284522][ T475] FAULT_INJECTION: forcing a failure. [ 43.284522][ T475] name failslab, interval 1, probability 0, space 0, times 0 [ 43.304132][ T475] CPU: 1 PID: 475 Comm: syz-executor.5 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 43.314450][ T475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.324671][ T475] Call Trace: [ 43.327954][ T475] dump_stack_lvl+0x1e2/0x24b [ 43.332619][ T475] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.338062][ T475] ? selinux_kernfs_init_security+0x1a8/0x760 [ 43.344106][ T475] dump_stack+0x15/0x17 [ 43.348248][ T475] should_fail+0x3c0/0x510 [ 43.352824][ T475] ? __kernfs_new_node+0x99/0x6e0 [ 43.357859][ T475] __should_failslab+0x9f/0xe0 [ 43.362699][ T475] should_failslab+0x9/0x20 [ 43.368054][ T475] __kmalloc_track_caller+0x5f/0x350 [ 43.373447][ T475] kstrdup_const+0x55/0x90 [ 43.378030][ T475] __kernfs_new_node+0x99/0x6e0 [ 43.382949][ T475] ? is_module_text_address+0xe1/0x140 [ 43.388400][ T475] ? kernfs_new_node+0x170/0x170 [ 43.393510][ T475] ? ptr_to_hashval+0x60/0x60 [ 43.398166][ T475] ? arch_stack_walk+0xf8/0x140 [ 43.403445][ T475] ? snprintf+0xd6/0x120 [ 43.407667][ T475] kernfs_new_node+0x97/0x170 [ 43.412344][ T475] __kernfs_create_file+0x4a/0x270 [ 43.417449][ T475] cgroup_addrm_files+0xab8/0xfe0 [ 43.422678][ T475] ? ____kasan_kmalloc+0xdc/0x110 [ 43.427786][ T475] ? __kasan_kmalloc+0x9/0x10 [ 43.432473][ T475] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 43.438028][ T475] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 43.444459][ T475] ? delete_node+0x759/0x7b0 [ 43.449114][ T475] ? __kasan_check_read+0x11/0x20 [ 43.454219][ T475] ? delete_node+0x759/0x7b0 [ 43.458880][ T475] ? __kasan_check_write+0x14/0x20 [ 43.463975][ T475] ? idr_replace+0x1c4/0x230 [ 43.468635][ T475] ? idr_get_next+0x4b0/0x4b0 [ 43.473325][ T475] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 43.478420][ T475] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 43.483926][ T475] css_populate_dir+0x137/0x370 [ 43.488771][ T475] cgroup_apply_control_enable+0x8b9/0x12f0 [ 43.494824][ T475] cgroup_apply_control+0x93/0x710 [ 43.500006][ T475] ? css_next_child+0x160/0x160 [ 43.504929][ T475] ? io_schedule+0x120/0x120 [ 43.509505][ T475] ? kernfs_fop_write_iter+0x15e/0x410 [ 43.515110][ T475] ? __kasan_check_write+0x14/0x20 [ 43.520205][ T475] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.525769][ T475] cgroup_subtree_control_write+0xd19/0x1310 [ 43.531908][ T475] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.538136][ T475] ? __kasan_check_write+0x14/0x20 [ 43.543258][ T475] ? _copy_from_iter+0x3fb/0xd60 [ 43.548296][ T475] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.554276][ T475] cgroup_file_write+0x28e/0x590 [ 43.559271][ T475] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.564542][ T475] ? mutex_lock+0xa6/0x110 [ 43.569062][ T475] ? mutex_trylock+0xb0/0xb0 [ 43.574186][ T475] ? __kasan_check_write+0x14/0x20 [ 43.579512][ T475] kernfs_fop_write_iter+0x2d0/0x410 [ 43.584895][ T475] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.590009][ T475] vfs_write+0xc1c/0xf40 [ 43.594584][ T475] ? kernel_write+0x3c0/0x3c0 [ 43.599350][ T475] ? mutex_trylock+0xb0/0xb0 [ 43.603944][ T475] ? __fdget_pos+0x26d/0x310 [ 43.608616][ T475] ? ksys_write+0x77/0x2c0 [ 43.613258][ T475] ksys_write+0x198/0x2c0 [ 43.617750][ T475] ? __ia32_sys_read+0x90/0x90 [ 43.622615][ T475] ? debug_smp_processor_id+0x17/0x20 [ 43.628231][ T475] __x64_sys_write+0x7b/0x90 [ 43.633005][ T475] do_syscall_64+0x34/0x70 [ 43.637495][ T475] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.643630][ T475] RIP: 0033:0x7fb7352300e9 [ 43.648030][ T475] 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 [ 43.667816][ T475] RSP: 002b:00007fb7351a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.676305][ T475] RAX: ffffffffffffffda RBX: 00007fb735342f60 RCX: 00007fb7352300e9 [ 43.684380][ T475] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.692428][ T475] RBP: 00007fb7351a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.700416][ T475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.708599][ T475] R13: 00007ffe95ec32cf R14: 00007fb7351a6300 R15: 0000000000022000 [ 43.719667][ T475] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.727073][ T475] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 43.764762][ T376] !!!! css_release enqueue(ffff888111b18c00) [ 43.771225][ T376] !!!! css_release enqueue(ffff888111b19c00) [ 43.777844][ T44] !!!! css_release enqueue(ffff888111b18000) [ 43.784358][ T472] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 43.791070][ T483] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 43.791604][ T481] FAULT_INJECTION: forcing a failure. [ 43.791604][ T481] name failslab, interval 1, probability 0, space 0, times 0 [ 43.810885][ T481] CPU: 1 PID: 481 Comm: syz-executor.0 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 43.821109][ T481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.832290][ T481] Call Trace: [ 43.835581][ T481] dump_stack_lvl+0x1e2/0x24b [ 43.840280][ T481] ? panic+0x7d7/0x7d7 [ 43.844388][ T481] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.850034][ T481] ? find_next_bit+0xd6/0x120 [ 43.855040][ T481] ? cpumask_next+0x11/0x30 [ 43.860256][ T481] dump_stack+0x15/0x17 [ 43.864418][ T481] should_fail+0x3c0/0x510 [ 43.869024][ T481] ? percpu_ref_init+0xd0/0x330 [ 43.873964][ T481] __should_failslab+0x9f/0xe0 [ 43.878834][ T481] should_failslab+0x9/0x20 [ 43.884342][ T481] kmem_cache_alloc_trace+0x3a/0x330 [ 43.889712][ T481] percpu_ref_init+0xd0/0x330 [ 43.894621][ T481] ? cgroup_setup_root+0xea0/0xea0 [ 43.900024][ T481] cgroup_apply_control_enable+0x3a2/0x12f0 [ 43.906189][ T481] cgroup_apply_control+0x93/0x710 [ 43.911312][ T481] ? css_next_child+0x160/0x160 [ 43.916339][ T481] ? io_schedule+0x120/0x120 [ 43.920936][ T481] ? kernfs_fop_write_iter+0x15e/0x410 [ 43.926574][ T481] ? __kasan_check_write+0x14/0x20 [ 43.931696][ T481] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.937085][ T481] cgroup_subtree_control_write+0xd19/0x1310 [ 43.943335][ T481] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.949309][ T481] ? __kasan_check_write+0x14/0x20 [ 43.954413][ T481] ? _copy_from_iter+0x3fb/0xd60 [ 43.959533][ T481] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.965698][ T481] cgroup_file_write+0x28e/0x590 [ 43.970863][ T481] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.976069][ T481] ? mutex_lock+0xa6/0x110 [ 43.980491][ T481] ? mutex_trylock+0xb0/0xb0 [ 43.985081][ T481] ? __kasan_check_write+0x14/0x20 [ 43.990520][ T481] kernfs_fop_write_iter+0x2d0/0x410 [ 43.995816][ T481] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.001065][ T481] vfs_write+0xc1c/0xf40 [ 44.005872][ T481] ? kernel_write+0x3c0/0x3c0 [ 44.010640][ T481] ? mutex_trylock+0xb0/0xb0 [ 44.015311][ T481] ? __fdget_pos+0x26d/0x310 [ 44.019988][ T481] ? ksys_write+0x77/0x2c0 [ 44.024400][ T481] ksys_write+0x198/0x2c0 [ 44.028941][ T481] ? __ia32_sys_read+0x90/0x90 [ 44.033996][ T481] ? debug_smp_processor_id+0x17/0x20 [ 44.040037][ T481] __x64_sys_write+0x7b/0x90 [ 44.044722][ T481] do_syscall_64+0x34/0x70 [ 44.049203][ T481] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.055143][ T481] RIP: 0033:0x7fbcee5610e9 [ 44.059678][ 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 [ 44.079969][ T481] RSP: 002b:00007fbcee4d7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.088562][ T481] RAX: ffffffffffffffda RBX: 00007fbcee673f60 RCX: 00007fbcee5610e9 [ 44.096612][ T481] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.104767][ T481] RBP: 00007fbcee4d71d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.112767][ T481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.120837][ T481] R13: 00007ffcf7f183cf R14: 00007fbcee4d7300 R15: 0000000000022000 [ 44.130259][ T481] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 44.164870][ T440] !!!! css_release enqueue(ffff888111a8c000) [ 44.171154][ T440] !!!! css_release enqueue(ffff888111a8ec00) [ 44.177622][ T486] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 44.184946][ T473] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 44.190436][ T468] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 44.191719][ T477] FAULT_INJECTION: forcing a failure. [ 44.191719][ T477] name failslab, interval 1, probability 0, space 0, times 0 [ 44.211092][ T477] CPU: 1 PID: 477 Comm: syz-executor.1 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 44.221314][ T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.231551][ T477] Call Trace: [ 44.235140][ T477] dump_stack_lvl+0x1e2/0x24b [ 44.239817][ T477] ? panic+0x7d7/0x7d7 [ 44.244064][ T477] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.249611][ T477] ? find_next_bit+0xd6/0x120 [ 44.254355][ T477] ? cpumask_next+0x11/0x30 [ 44.258843][ T477] dump_stack+0x15/0x17 [ 44.262980][ T477] should_fail+0x3c0/0x510 [ 44.267470][ T477] ? percpu_ref_init+0xd0/0x330 [ 44.272335][ T477] __should_failslab+0x9f/0xe0 [ 44.277106][ T477] should_failslab+0x9/0x20 [ 44.281684][ T477] kmem_cache_alloc_trace+0x3a/0x330 [ 44.286952][ T477] percpu_ref_init+0xd0/0x330 [ 44.291613][ T477] ? cgroup_setup_root+0xea0/0xea0 [ 44.296732][ T477] cgroup_apply_control_enable+0x3a2/0x12f0 [ 44.302731][ T477] cgroup_apply_control+0x93/0x710 [ 44.307953][ T477] ? css_next_child+0x160/0x160 [ 44.312790][ T477] ? io_schedule+0x120/0x120 [ 44.317493][ T477] ? kernfs_fop_write_iter+0x15e/0x410 [ 44.323024][ T477] ? __kasan_check_write+0x14/0x20 [ 44.328118][ T477] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.333387][ T477] cgroup_subtree_control_write+0xd19/0x1310 [ 44.339476][ T477] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.345531][ T477] ? __kasan_check_write+0x14/0x20 [ 44.350800][ T477] ? _copy_from_iter+0x3fb/0xd60 [ 44.355781][ T477] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.361839][ T477] cgroup_file_write+0x28e/0x590 [ 44.366760][ T477] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.371852][ T477] ? mutex_lock+0xa6/0x110 [ 44.376332][ T477] ? mutex_trylock+0xb0/0xb0 [ 44.380904][ T477] ? __kasan_check_write+0x14/0x20 [ 44.386079][ T477] kernfs_fop_write_iter+0x2d0/0x410 [ 44.391429][ T477] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.396882][ T477] vfs_write+0xc1c/0xf40 [ 44.401130][ T477] ? kernel_write+0x3c0/0x3c0 [ 44.405936][ T477] ? mutex_trylock+0xb0/0xb0 [ 44.410530][ T477] ? __fdget_pos+0x26d/0x310 [ 44.415114][ T477] ? ksys_write+0x77/0x2c0 [ 44.419542][ T477] ksys_write+0x198/0x2c0 [ 44.423897][ T477] ? __ia32_sys_read+0x90/0x90 [ 44.428666][ T477] ? debug_smp_processor_id+0x17/0x20 [ 44.434026][ T477] __x64_sys_write+0x7b/0x90 [ 44.438699][ T477] do_syscall_64+0x34/0x70 [ 44.443103][ T477] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.449539][ T477] RIP: 0033:0x7f1da03cf0e9 [ 44.454141][ T477] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.473836][ T477] RSP: 002b:00007f1da0345168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.482413][ T477] RAX: ffffffffffffffda RBX: 00007f1da04e1f60 RCX: 00007f1da03cf0e9 [ 44.490370][ T477] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.498435][ T477] RBP: 00007f1da03451d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.506391][ T477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.514380][ T477] R13: 00007fff4531b15f R14: 00007f1da0345300 R15: 0000000000022000 [ 44.523082][ T477] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 44.526574][ T23] audit: type=1400 audit(1654544962.460:158): 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 [ 44.553327][ T23] audit: type=1400 audit(1654544962.460:159): 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 [ 44.576281][ T23] audit: type=1400 audit(1654544962.460:160): 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 [ 44.599442][ T376] !!!! css_release enqueue(ffff8881222eb400) [ 44.605633][ T376] !!!! css_release enqueue(ffff8881222e8400) [ 44.612149][ T478] FAULT_INJECTION: forcing a failure. [ 44.612149][ T478] name failslab, interval 1, probability 0, space 0, times 0 [ 44.625535][ T478] CPU: 1 PID: 478 Comm: syz-executor.4 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 44.635926][ T478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.645984][ T478] Call Trace: [ 44.649348][ T478] dump_stack_lvl+0x1e2/0x24b [ 44.654027][ T478] ? panic+0x7d7/0x7d7 [ 44.658096][ T478] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.663529][ T478] ? find_next_bit+0xd6/0x120 [ 44.668188][ T478] ? cpumask_next+0x11/0x30 [ 44.672745][ T478] dump_stack+0x15/0x17 [ 44.676972][ T478] should_fail+0x3c0/0x510 [ 44.681386][ T478] ? percpu_ref_init+0xd0/0x330 [ 44.686228][ T478] __should_failslab+0x9f/0xe0 [ 44.691070][ T478] should_failslab+0x9/0x20 [ 44.695823][ T478] kmem_cache_alloc_trace+0x3a/0x330 [ 44.701131][ T478] percpu_ref_init+0xd0/0x330 [ 44.705908][ T478] ? cgroup_setup_root+0xea0/0xea0 [ 44.711007][ T478] cgroup_apply_control_enable+0x3a2/0x12f0 [ 44.717145][ T478] cgroup_apply_control+0x93/0x710 [ 44.722399][ T478] ? css_next_child+0x160/0x160 [ 44.727233][ T478] ? set_next_entity+0xc5/0x390 [ 44.732093][ T478] ? io_schedule+0x120/0x120 [ 44.737329][ T478] ? kernfs_fop_write_iter+0x15e/0x410 [ 44.742879][ T478] ? __kasan_check_write+0x14/0x20 [ 44.748236][ T478] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.753957][ T478] cgroup_subtree_control_write+0xd19/0x1310 [ 44.760409][ T478] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.766744][ T478] ? __kasan_check_write+0x14/0x20 [ 44.771861][ T478] ? _copy_from_iter+0x3fb/0xd60 [ 44.776861][ T478] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.782850][ T478] cgroup_file_write+0x28e/0x590 [ 44.787800][ T478] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.792913][ T478] ? mutex_lock+0xa6/0x110 [ 44.797513][ T478] ? mutex_trylock+0xb0/0xb0 [ 44.802177][ T478] ? __kasan_check_write+0x14/0x20 [ 44.807279][ T478] kernfs_fop_write_iter+0x2d0/0x410 [ 44.812606][ T478] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.817738][ T478] vfs_write+0xc1c/0xf40 [ 44.822096][ T478] ? kernel_write+0x3c0/0x3c0 [ 44.826766][ T478] ? mutex_trylock+0xb0/0xb0 [ 44.831397][ T478] ? __fdget_pos+0x26d/0x310 [ 44.836065][ T478] ? ksys_write+0x77/0x2c0 [ 44.840578][ T478] ksys_write+0x198/0x2c0 [ 44.845227][ T478] ? __ia32_sys_read+0x90/0x90 [ 44.850344][ T478] ? debug_smp_processor_id+0x17/0x20 [ 44.855719][ T478] __x64_sys_write+0x7b/0x90 [ 44.863470][ T478] do_syscall_64+0x34/0x70 [ 44.868657][ T478] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.875229][ T478] RIP: 0033:0x7f0eb6d100e9 [ 44.879832][ T478] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.899848][ T478] RSP: 002b:00007f0eb6c65168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.908498][ T478] RAX: ffffffffffffffda RBX: 00007f0eb6e23030 RCX: 00007f0eb6d100e9 [ 44.916708][ T478] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.924946][ T478] RBP: 00007f0eb6c651d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.932916][ T478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.941234][ T478] R13: 00007fff2d30895f R14: 00007f0eb6c65300 R15: 0000000000022000 [ 44.951656][ T478] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 44.975034][ T24] !!!! css_release enqueue(ffff888111d6ec00) [ 44.981325][ T24] !!!! css_release enqueue(ffff888111d6f000) [ 44.987979][ T491] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 44.988312][ T486] FAULT_INJECTION: forcing a failure. [ 44.988312][ T486] name failslab, interval 1, probability 0, space 0, times 0 [ 45.007410][ T486] CPU: 1 PID: 486 Comm: syz-executor.0 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 45.017818][ T486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.027958][ T486] Call Trace: [ 45.031246][ T486] dump_stack_lvl+0x1e2/0x24b [ 45.035945][ T486] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.041504][ T486] ? selinux_kernfs_init_security+0x1a8/0x760 [ 45.047726][ T486] dump_stack+0x15/0x17 [ 45.053151][ T486] should_fail+0x3c0/0x510 [ 45.057650][ T486] ? __kernfs_new_node+0x99/0x6e0 [ 45.062888][ T486] __should_failslab+0x9f/0xe0 [ 45.067661][ T486] should_failslab+0x9/0x20 [ 45.072447][ T486] __kmalloc_track_caller+0x5f/0x350 [ 45.077870][ T486] kstrdup_const+0x55/0x90 [ 45.082338][ T486] __kernfs_new_node+0x99/0x6e0 [ 45.087278][ T486] ? is_module_text_address+0xe1/0x140 [ 45.092737][ T486] ? kernfs_new_node+0x170/0x170 [ 45.097688][ T486] ? ptr_to_hashval+0x60/0x60 [ 45.102715][ T486] ? arch_stack_walk+0xf8/0x140 [ 45.107569][ T486] ? snprintf+0xd6/0x120 [ 45.111944][ T486] kernfs_new_node+0x97/0x170 [ 45.116646][ T486] __kernfs_create_file+0x4a/0x270 [ 45.121753][ T486] cgroup_addrm_files+0xab8/0xfe0 [ 45.126788][ T486] ? ____kasan_kmalloc+0xdc/0x110 [ 45.131903][ T486] ? __kasan_kmalloc+0x9/0x10 [ 45.136597][ T486] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 45.142148][ T486] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 45.148316][ T486] ? delete_node+0x759/0x7b0 [ 45.152907][ T486] ? __kasan_check_read+0x11/0x20 [ 45.157926][ T486] ? delete_node+0x759/0x7b0 [ 45.162609][ T486] ? __kasan_check_write+0x14/0x20 [ 45.167711][ T486] ? idr_replace+0x1c4/0x230 [ 45.172287][ T486] ? idr_get_next+0x4b0/0x4b0 [ 45.176946][ T486] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 45.182399][ T486] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 45.187608][ T486] css_populate_dir+0x137/0x370 [ 45.192622][ T486] cgroup_apply_control_enable+0x8b9/0x12f0 [ 45.199931][ T486] cgroup_apply_control+0x93/0x710 [ 45.205053][ T486] ? css_next_child+0x160/0x160 [ 45.210195][ T486] ? io_schedule+0x120/0x120 [ 45.215031][ T486] ? kernfs_fop_write_iter+0x15e/0x410 [ 45.220519][ T486] ? __kasan_check_write+0x14/0x20 [ 45.225649][ T486] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.230947][ T486] cgroup_subtree_control_write+0xd19/0x1310 [ 45.237618][ T486] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.243985][ T486] ? __kasan_check_write+0x14/0x20 [ 45.249094][ T486] ? _copy_from_iter+0x3fb/0xd60 [ 45.254040][ T486] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.260028][ T486] cgroup_file_write+0x28e/0x590 [ 45.265563][ T486] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.270861][ T486] ? mutex_lock+0xa6/0x110 [ 45.275833][ T486] ? mutex_trylock+0xb0/0xb0 [ 45.280625][ T486] ? __kasan_check_write+0x14/0x20 [ 45.285816][ T486] kernfs_fop_write_iter+0x2d0/0x410 [ 45.291111][ T486] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.296223][ T486] vfs_write+0xc1c/0xf40 [ 45.300599][ T486] ? kernel_write+0x3c0/0x3c0 [ 45.305276][ T486] ? mutex_trylock+0xb0/0xb0 [ 45.310046][ T486] ? __fdget_pos+0x26d/0x310 [ 45.314805][ T486] ? ksys_write+0x77/0x2c0 [ 45.319215][ T486] ksys_write+0x198/0x2c0 [ 45.323549][ T486] ? __ia32_sys_read+0x90/0x90 [ 45.328827][ T486] ? debug_smp_processor_id+0x17/0x20 [ 45.334511][ T486] __x64_sys_write+0x7b/0x90 [ 45.339238][ T486] do_syscall_64+0x34/0x70 [ 45.343914][ T486] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.349797][ T486] RIP: 0033:0x7fbcee5610e9 [ 45.354298][ T486] 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 [ 45.374598][ T486] RSP: 002b:00007fbcee4d7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.383601][ T486] RAX: ffffffffffffffda RBX: 00007fbcee673f60 RCX: 00007fbcee5610e9 [ 45.391683][ T486] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.399997][ T486] RBP: 00007fbcee4d71d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.407964][ T486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.416061][ T486] R13: 00007ffcf7f183cf R14: 00007fbcee4d7300 R15: 0000000000022000 [ 45.425124][ T486] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.432341][ T486] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 45.442738][ T406] ------------[ cut here ]------------ [ 45.448559][ T406] WARNING: CPU: 0 PID: 406 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 45.454909][ C1] ------------[ cut here ]------------ [ 45.458155][ T406] Modules linked in: [ 45.463339][ C1] percpu ref (css_release) <= 0 (0) after switching to atomic [ 45.463353][ T406] [ 45.467866][ C1] WARNING: CPU: 1 PID: 24 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x505/0x5b0 [ 45.467869][ C1] Modules linked in: [ 45.467882][ C1] CPU: 1 PID: 24 Comm: kworker/1:1 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 45.467886][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.467899][ C1] Workqueue: cgroup_destroy css_killed_work_fn [ 45.467910][ C1] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x505/0x5b0 [ 45.467918][ C1] Code: 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ef e8 b0 36 5a ff 49 8b 55 00 48 c7 c7 e0 bc 43 85 48 89 de 31 c0 e8 1b ad f2 fe <0f> 0b e9 4b fd ff ff e8 5f 70 20 ff 0f 0b e9 a2 fe ff ff 48 c7 c1 [ 45.467922][ C1] RSP: 0018:ffffc90000160c08 EFLAGS: 00010246 [ 45.467930][ C1] RAX: cb92b28d9613b400 RBX: ffffffff81647ad0 RCX: ffff888107ffe2c0 [ 45.467936][ C1] RDX: 0000000080000101 RSI: 0000000080000101 RDI: 0000000000000000 [ 45.467943][ C1] RBP: ffffc90000160c50 R08: ffffffff8153b2f8 R09: 0000000000000003 [ 45.467949][ C1] R10: fffff5200002c0cd R11: 1ffff9200002c0cc R12: 7fffffffffffffff [ 45.467955][ C1] R13: ffff888111ba5780 R14: 1ffff11022374af0 R15: ffff888111ba57a0 [ 45.467962][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 45.467967][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.467973][ C1] CR2: 00007f0eb6d96e69 CR3: 000000010cc8a000 CR4: 00000000003506a0 [ 45.467984][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.467991][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.467994][ C1] Call Trace: [ 45.467998][ C1] [ 45.468009][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 45.468020][ C1] rcu_do_batch+0x4f8/0xbc0 [ 45.468032][ C1] ? local_bh_enable+0x20/0x20 [ 45.468044][ C1] ? lapic_next_event+0x5f/0x70 [ 45.468053][ C1] ? clockevents_program_event+0x218/0x2d0 [ 45.468069][ C1] rcu_core+0x59b/0xe30 [ 45.475818][ T406] CPU: 0 PID: 406 Comm: syz-executor.0 Not tainted 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 45.478133][ C1] ? rcu_cpu_kthread_park+0x90/0x90 [ 45.489069][ T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.492949][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 45.502888][ T406] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 45.513028][ C1] ? sched_clock+0x3a/0x40 [ 45.513049][ C1] ? sched_clock_cpu+0x1b/0x3b0 [ 45.519456][ T406] Code: 48 c7 c2 40 04 04 86 e8 74 f4 8e ff e9 8b fc ff ff e8 da 2d b6 ff e9 81 fc ff ff e8 d0 2d b6 ff e9 77 fc ff ff e8 c6 2d b6 ff <0f> 0b e9 f4 fc ff ff e8 ba 2d b6 ff e8 75 b9 a2 ff e9 ea fc ff ff [ 45.526547][ C1] ? irqtime_account_irq+0x76/0x270 [ 45.526556][ C1] rcu_core_si+0x9/0x10 [ 45.526567][ C1] __do_softirq+0x27e/0x596 [ 45.526584][ C1] asm_call_irq_on_stack+0xf/0x20 [ 45.546615][ T406] RSP: 0018:ffffc90000b77ba0 EFLAGS: 00010293 [ 45.552740][ C1] [ 45.560733][ T406] [ 45.568784][ C1] do_softirq_own_stack+0x60/0x80 [ 45.568802][ C1] __irq_exit_rcu+0x128/0x150 [ 45.576779][ T406] RAX: ffffffff81b68b3a RBX: 00000000ffffffff RCX: ffff88810c77cf00 [ 45.584973][ C1] irq_exit_rcu+0x9/0x10 [ 45.585000][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 45.592985][ T406] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 45.601923][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 45.601942][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x51/0x80 [ 45.609640][ T406] RBP: ffffc90000b77c70 R08: ffffffff81b68828 R09: 0000000000000003 [ 45.617596][ C1] Code: 74 0c 48 c7 c7 50 32 ec 85 e8 1b 7b 13 fd 48 83 3d 33 2e 59 01 00 74 37 48 89 df e8 5d 57 bf fc 66 90 4c 89 75 e8 ff 75 e8 9d 01 00 00 00 e8 75 f6 b6 fc 65 8b 05 4a 69 6f 7b 85 c0 74 09 48 [ 45.617624][ C1] RSP: 0018:ffffc9000019fbb8 EFLAGS: 00000246 [ 45.625586][ T406] R10: fffff5200016ef65 R11: 1ffff9200016ef64 R12: dffffc0000000000 [ 45.633546][ C1] [ 45.636837][ T406] R13: ffff88812222f6c0 R14: ffffc90000b77c00 R15: 1ffff9200016ef7c [ 45.639679][ C1] RAX: 0000000000000001 RBX: ffff88811f4fa340 RCX: dffffc0000000000 [ 45.645760][ T406] FS: 00005555558ee400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 45.650330][ C1] RDX: dffffc0000000000 RSI: 0000000000000246 RDI: ffff88811f4fa340 [ 45.655206][ T406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.660578][ C1] RBP: ffffc9000019fbd0 R08: dffffc0000000000 R09: ffffed10218ef9e1 [ 45.666588][ T406] CR2: 00007ffcf7f16de8 CR3: 000000011d5fb000 CR4: 00000000003506b0 [ 45.670846][ C1] R10: ffffed10218ef9e1 R11: 1ffff110218ef9e0 R12: 0000000000000246 [ 45.681028][ T406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.686289][ C1] R13: 0000000000000000 R14: 0000000000000246 R15: 0000000000000003 [ 45.686315][ C1] __wake_up+0x123/0x1c0 [ 45.696616][ T406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.701629][ C1] ? remove_wait_queue+0x140/0x140 [ 45.707372][ T406] Call Trace: [ 45.711653][ C1] ? mutex_trylock+0xb0/0xb0 [ 45.716670][ T406] ? io_schedule+0x120/0x120 [ 45.736802][ C1] css_killed_work_fn+0x19c/0x3d0 [ 45.736820][ C1] process_one_work+0x726/0xc10 [ 45.741998][ T406] ? vfs_submount+0xb0/0xb0 [ 45.746132][ C1] worker_thread+0xb27/0x1550 [ 45.746150][ C1] ? __kthread_parkme+0xba/0x1d0 [ 45.750631][ T406] ? shrink_dentry_list+0x4ec/0x500 [ 45.755629][ C1] kthread+0x349/0x3d0 [ 45.755637][ C1] ? worker_clr_flags+0x180/0x180 [ 45.755644][ C1] ? kthread_blkcg+0xd0/0xd0 [ 45.755653][ C1] ret_from_fork+0x1f/0x30 [ 45.755666][ C1] ---[ end trace 6452452abc7e60ce ]--- [ 45.761709][ T406] namespace_unlock+0x448/0x4f0 [ 45.764663][ T24] !!!! css_release enqueue(ffff888111f75000) [ 45.766971][ T406] ? umount_tree+0xf50/0xf50 [ 45.771971][ T24] !!!! css_release enqueue(ffff888111f77c00) [ 45.776688][ T406] ? __detach_mounts+0x670/0x670 [ 45.776698][ T406] ? selinux_umount+0xf0/0x130 [ 45.776707][ T406] path_umount+0xf03/0xfb0 [ 45.776718][ T406] ? namespace_unlock+0x4f0/0x4f0 [ 45.776728][ T406] ? user_path_at_empty+0x40/0x50 [ 45.776736][ T406] __x64_sys_umount+0x122/0x170 [ 45.776743][ T406] ? path_umount+0xfb0/0xfb0 [ 45.776752][ T406] ? debug_smp_processor_id+0x17/0x20 [ 45.776762][ T406] do_syscall_64+0x34/0x70 [ 45.776770][ T406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.776779][ T406] RIP: 0033:0x7fbcee562557 [ 45.776792][ T406] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.776798][ T406] RSP: 002b:00007ffcf7f17528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 45.776812][ T406] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbcee562557 [ 45.776818][ T406] RDX: 00007ffcf7f175f9 RSI: 000000000000000a RDI: 00007ffcf7f175f0 [ 45.776825][ T406] RBP: 00007ffcf7f175f0 R08: 00000000ffffffff R09: 00007ffcf7f173c0 [ 45.776832][ T406] R10: 00005555558efba3 R11: 0000000000000246 R12: 00007fbcee5ba1f8 [ 45.776839][ T406] R13: 00007ffcf7f186b0 R14: 00005555558efb00 R15: 00007ffcf7f186f0 [ 45.776846][ T406] ---[ end trace 6452452abc7e60cf ]--- [ 45.781567][ T406] ------------[ cut here ]------------ [ 45.787184][ T491] FAULT_INJECTION: forcing a failure. [ 45.787184][ T491] name failslab, interval 1, probability 0, space 0, times 0 [ 45.789403][ T406] WARNING: CPU: 0 PID: 406 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 45.789416][ T406] Modules linked in: [ 45.795467][ T491] CPU: 1 PID: 491 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 45.803390][ T406] [ 45.809517][ T491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.809521][ T491] Call Trace: [ 45.809543][ T491] dump_stack_lvl+0x1e2/0x24b [ 45.809552][ T491] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.809563][ T491] ? selinux_kernfs_init_security+0x1a8/0x760 [ 45.809572][ T491] dump_stack+0x15/0x17 [ 45.809581][ T491] should_fail+0x3c0/0x510 [ 45.809592][ T491] ? __kernfs_new_node+0x99/0x6e0 [ 45.809604][ T491] __should_failslab+0x9f/0xe0 [ 45.809615][ T491] should_failslab+0x9/0x20 [ 45.809626][ T491] __kmalloc_track_caller+0x5f/0x350 [ 45.809647][ T491] kstrdup_const+0x55/0x90 [ 45.816064][ T406] CPU: 0 PID: 406 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 45.824262][ T491] __kernfs_new_node+0x99/0x6e0 [ 45.843931][ T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.849909][ T491] ? is_module_text_address+0xe1/0x140 [ 45.849930][ T491] ? kernfs_new_node+0x170/0x170 [ 45.858008][ T406] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 45.860402][ T491] ? ptr_to_hashval+0x60/0x60 [ 45.868454][ T406] Code: 48 c7 c2 40 04 04 86 e8 74 f4 8e ff e9 8b fc ff ff e8 da 2d b6 ff e9 81 fc ff ff e8 d0 2d b6 ff e9 77 fc ff ff e8 c6 2d b6 ff <0f> 0b e9 f4 fc ff ff e8 ba 2d b6 ff e8 75 b9 a2 ff e9 ea fc ff ff [ 45.876387][ T491] ? arch_stack_walk+0xf8/0x140 [ 45.876405][ T491] ? snprintf+0xd6/0x120 [ 45.885511][ T406] RSP: 0018:ffffc90000b77ca0 EFLAGS: 00010293 [ 45.893657][ T491] kernfs_new_node+0x97/0x170 [ 45.900391][ T406] [ 45.908389][ T491] __kernfs_create_file+0x4a/0x270 [ 45.908407][ T491] cgroup_addrm_files+0xab8/0xfe0 [ 45.916368][ T406] RAX: ffffffff81b68b3a RBX: 00000000fffffffe RCX: ffff88810c77cf00 [ 45.924428][ T491] ? ____kasan_kmalloc+0xdc/0x110 [ 45.932652][ T406] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 45.940588][ T491] ? __kasan_kmalloc+0x9/0x10 [ 45.940597][ T491] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 45.940608][ T491] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 45.940617][ T491] ? delete_node+0x759/0x7b0 [ 45.940626][ T491] ? __kasan_check_read+0x11/0x20 [ 45.940634][ T491] ? delete_node+0x759/0x7b0 [ 45.940642][ T491] ? __kasan_check_write+0x14/0x20 [ 45.940653][ T491] ? idr_replace+0x1c4/0x230 [ 45.940661][ T491] ? idr_get_next+0x4b0/0x4b0 [ 45.940670][ T491] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 45.940677][ T491] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 45.940686][ T491] css_populate_dir+0x137/0x370 [ 45.940695][ T491] cgroup_apply_control_enable+0x8b9/0x12f0 [ 45.940706][ T491] cgroup_apply_control+0x93/0x710 [ 45.940714][ T491] ? css_next_child+0x160/0x160 [ 45.940722][ T491] ? io_schedule+0x120/0x120 [ 45.940738][ T491] ? kernfs_fop_write_iter+0x15e/0x410 [ 45.945313][ T406] RBP: ffffc90000b77d70 R08: ffffffff81b68828 R09: 0000000000000003 [ 45.953438][ T491] ? __kasan_check_write+0x14/0x20 [ 45.958567][ T406] R10: fffff5200016ef85 R11: 1ffff9200016ef84 R12: dffffc0000000000 [ 45.962267][ T491] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.966846][ T406] R13: ffff88812222f6c0 R14: ffffc90000b77d00 R15: 1ffff9200016ef9c [ 45.971400][ T491] cgroup_subtree_control_write+0xd19/0x1310 [ 45.976405][ T406] FS: 00005555558ee400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 45.981223][ T491] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.985799][ T406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.990929][ T491] ? __kasan_check_write+0x14/0x20 [ 45.995888][ T406] CR2: 00007ffcf7f16de8 CR3: 000000011d5fb000 CR4: 00000000003506b0 [ 46.001390][ T491] ? _copy_from_iter+0x3fb/0xd60 [ 46.005542][ T406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.011282][ T491] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.016073][ T406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.020474][ T491] cgroup_file_write+0x28e/0x590 [ 46.026299][ T406] Call Trace: [ 46.031506][ T491] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.037681][ T406] ? lockref_get_or_lock+0x340/0x340 [ 46.042467][ T491] ? mutex_lock+0xa6/0x110 [ 46.048588][ T406] ? umount_tree+0xf50/0xf50 [ 46.053692][ T491] ? mutex_trylock+0xb0/0xb0 [ 46.058596][ T406] ? vfs_submount+0xb0/0xb0 [ 46.062928][ T491] ? __kasan_check_write+0x14/0x20 [ 46.068031][ T406] ? dput+0x2b6/0x320 [ 46.073035][ T491] kernfs_fop_write_iter+0x2d0/0x410 [ 46.078213][ T406] path_umount+0x1fe/0xfb0 [ 46.082790][ T491] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.088464][ T406] ? namespace_unlock+0x4f0/0x4f0 [ 46.092906][ T491] vfs_write+0xc1c/0xf40 [ 46.098968][ T406] ? user_path_at_empty+0x40/0x50 [ 46.104684][ T491] ? kernel_write+0x3c0/0x3c0 [ 46.104698][ T491] ? mutex_trylock+0xb0/0xb0 [ 46.104708][ T491] ? __fdget_pos+0x26d/0x310 [ 46.104716][ T491] ? ksys_write+0x77/0x2c0 [ 46.104737][ T491] ksys_write+0x198/0x2c0 [ 46.124721][ T406] __x64_sys_umount+0x122/0x170 [ 46.133082][ T491] ? __ia32_sys_read+0x90/0x90 [ 46.141086][ T406] ? path_umount+0xfb0/0xfb0 [ 46.149003][ T491] ? debug_smp_processor_id+0x17/0x20 [ 46.149014][ T491] __x64_sys_write+0x7b/0x90 [ 46.149032][ T491] do_syscall_64+0x34/0x70 [ 46.157088][ T406] ? debug_smp_processor_id+0x17/0x20 [ 46.165207][ T491] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.165216][ T491] RIP: 0033:0x7f0eb6d100e9 [ 46.165232][ 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 [ 46.173183][ T406] do_syscall_64+0x34/0x70 [ 46.178603][ T491] RSP: 002b:00007f0eb6c86168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.178618][ T491] RAX: ffffffffffffffda RBX: 00007f0eb6e22f60 RCX: 00007f0eb6d100e9 [ 46.178623][ T491] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.178628][ T491] RBP: 00007f0eb6c861d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.178634][ T491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.178640][ T491] R13: 00007fff2d30895f R14: 00007f0eb6c86300 R15: 0000000000022000 [ 46.204704][ T491] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.206224][ T406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.210201][ T491] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 46.221788][ T406] RIP: 0033:0x7fbcee562557 [ 46.221799][ T406] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.221805][ T406] RSP: 002b:00007ffcf7f17528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 46.221817][ T406] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbcee562557 [ 46.221823][ T406] RDX: 00007ffcf7f175f9 RSI: 000000000000000a RDI: 00007ffcf7f175f0 [ 46.221830][ T406] RBP: 00007ffcf7f175f0 R08: 00000000ffffffff R09: 00007ffcf7f173c0 [ 46.221835][ T406] R10: 00005555558efba3 R11: 0000000000000246 R12: 00007fbcee5ba1f8 [ 46.221849][ T406] R13: 00007ffcf7f186b0 R14: 00005555558efb00 R15: 00007ffcf7f186f0 [ 46.907398][ T406] ---[ end trace 6452452abc7e60d0 ]--- [ 46.916641][ T410] ------------[ cut here ]------------ [ 46.922277][ T410] WARNING: CPU: 1 PID: 410 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 46.931997][ T410] Modules linked in: [ 46.935930][ T410] CPU: 1 PID: 410 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 46.947744][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.957869][ T410] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 46.963638][ T410] Code: 48 c7 c2 40 04 04 86 e8 74 f4 8e ff e9 8b fc ff ff e8 da 2d b6 ff e9 81 fc ff ff e8 d0 2d b6 ff e9 77 fc ff ff e8 c6 2d b6 ff <0f> 0b e9 f4 fc ff ff e8 ba 2d b6 ff e8 75 b9 a2 ff e9 ea fc ff ff [ 46.983745][ T410] RSP: 0018:ffffc90000cd7ba0 EFLAGS: 00010293 [ 46.990183][ T410] RAX: ffffffff81b68b3a RBX: 00000000ffffffff RCX: ffff88810b4c2780 [ 46.998602][ T410] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 47.006832][ T410] RBP: ffffc90000cd7c70 R08: ffffffff81b68828 R09: 0000000000000003 [ 47.015129][ T410] R10: fffff5200019af65 R11: 1ffff9200019af64 R12: dffffc0000000000 [ 47.023376][ T410] R13: ffff8881111ae540 R14: ffffc90000cd7c00 R15: 1ffff9200019af7c [ 47.031996][ T410] FS: 0000555555d45400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 47.040946][ T410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.047623][ T410] CR2: 0000555555d4eb38 CR3: 000000010cc8a000 CR4: 00000000003506a0 [ 47.055791][ T410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.064456][ T410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.072851][ T410] Call Trace: [ 47.076222][ T410] ? io_schedule+0x120/0x120 [ 47.080911][ T410] ? vfs_submount+0xb0/0xb0 [ 47.085456][ T410] ? shrink_dentry_list+0x4ec/0x500 [ 47.090659][ T410] namespace_unlock+0x448/0x4f0 [ 47.095553][ T410] ? umount_tree+0xf50/0xf50 [ 47.100486][ T410] ? __detach_mounts+0x670/0x670 [ 47.105454][ T410] ? selinux_umount+0xf0/0x130 [ 47.110310][ T410] path_umount+0xf03/0xfb0 [ 47.114749][ T410] ? namespace_unlock+0x4f0/0x4f0 [ 47.119799][ T410] ? user_path_at_empty+0x40/0x50 [ 47.124859][ T410] __x64_sys_umount+0x122/0x170 [ 47.129784][ T410] ? path_umount+0xfb0/0xfb0 [ 47.134867][ T410] ? debug_smp_processor_id+0x17/0x20 [ 47.140244][ T410] do_syscall_64+0x34/0x70 [ 47.145089][ T410] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.151144][ T410] RIP: 0033:0x7f0eb6d11557 [ 47.155566][ T410] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.175705][ T410] RSP: 002b:00007fff2d307ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 47.184212][ T410] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0eb6d11557 [ 47.192322][ T410] RDX: 00007fff2d307b89 RSI: 000000000000000a RDI: 00007fff2d307b80 [ 47.200469][ T410] RBP: 00007fff2d307b80 R08: 00000000ffffffff R09: 00007fff2d307950 [ 47.208747][ T410] R10: 0000555555d46ba3 R11: 0000000000000246 R12: 00007f0eb6d691f8 [ 47.216771][ T410] R13: 00007fff2d308c40 R14: 0000555555d46b00 R15: 00007fff2d308c80 [ 47.224786][ T410] ---[ end trace 6452452abc7e60d1 ]--- [ 47.230568][ T410] ------------[ cut here ]------------ [ 47.236070][ T410] WARNING: CPU: 1 PID: 410 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 47.245425][ T410] Modules linked in: [ 47.249522][ T410] CPU: 1 PID: 410 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 47.261529][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.271762][ T410] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 47.277561][ T410] Code: 48 c7 c2 40 04 04 86 e8 74 f4 8e ff e9 8b fc ff ff e8 da 2d b6 ff e9 81 fc ff ff e8 d0 2d b6 ff e9 77 fc ff ff e8 c6 2d b6 ff <0f> 0b e9 f4 fc ff ff e8 ba 2d b6 ff e8 75 b9 a2 ff e9 ea fc ff ff [ 47.297959][ T410] RSP: 0018:ffffc90000cd7ca0 EFLAGS: 00010293 [ 47.304053][ T410] RAX: ffffffff81b68b3a RBX: 00000000fffffffe RCX: ffff88810b4c2780 [ 47.312093][ T410] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 47.320090][ T410] RBP: ffffc90000cd7d70 R08: ffffffff81b68828 R09: 0000000000000003 [ 47.328598][ T410] R10: fffff5200019af85 R11: 1ffff9200019af84 R12: dffffc0000000000 [ 47.336696][ T410] R13: ffff8881111ae540 R14: ffffc90000cd7d00 R15: 1ffff9200019af9c [ 47.344973][ T410] FS: 0000555555d45400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 47.354020][ T410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.360656][ T410] CR2: 0000555555d4eb38 CR3: 000000010cc8a000 CR4: 00000000003506a0 [ 47.368947][ T410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.376963][ T410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.385497][ T410] Call Trace: [ 47.388829][ T410] ? lockref_get_or_lock+0x340/0x340 [ 47.394281][ T410] ? umount_tree+0xf50/0xf50 [ 47.398906][ T410] ? vfs_submount+0xb0/0xb0 [ 47.403441][ T410] ? dput+0x2b6/0x320 [ 47.407450][ T410] path_umount+0x1fe/0xfb0 [ 47.411879][ T410] ? namespace_unlock+0x4f0/0x4f0 [ 47.417118][ T410] ? user_path_at_empty+0x40/0x50 [ 47.422147][ T410] __x64_sys_umount+0x122/0x170 [ 47.427070][ T410] ? path_umount+0xfb0/0xfb0 [ 47.431742][ T410] ? debug_smp_processor_id+0x17/0x20 [ 47.437146][ T410] do_syscall_64+0x34/0x70 [ 47.441843][ T410] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.447788][ T410] RIP: 0033:0x7f0eb6d11557 [ 47.452223][ T410] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.472012][ T410] RSP: 002b:00007fff2d307ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 47.480472][ T410] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0eb6d11557 [ 47.488570][ T410] RDX: 00007fff2d307b89 RSI: 000000000000000a RDI: 00007fff2d307b80 [ 47.496580][ T410] RBP: 00007fff2d307b80 R08: 00000000ffffffff R09: 00007fff2d307950 [ 47.504562][ T410] R10: 0000555555d46ba3 R11: 0000000000000246 R12: 00007f0eb6d691f8 [ 47.512659][ T410] R13: 00007fff2d308c40 R14: 0000555555d46b00 R15: 00007fff2d308c80 [ 47.520701][ T410] ---[ end trace 6452452abc7e60d2 ]--- [ 47.555056][ T440] !!!! css_release enqueue(ffff88811200f000) [ 47.561153][ T440] !!!! css_release enqueue(ffff88811200e000) [ 47.567641][ T493] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 47.567675][ T495] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 47.574698][ T493] FAULT_INJECTION: forcing a failure. [ 47.574698][ T493] name failslab, interval 1, probability 0, space 0, times 0 [ 47.593530][ T493] CPU: 0 PID: 493 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 47.605145][ T493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.615188][ T493] Call Trace: [ 47.618468][ T493] dump_stack_lvl+0x1e2/0x24b [ 47.623128][ T493] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.628600][ T493] ? selinux_kernfs_init_security+0x1a8/0x760 [ 47.634692][ T493] dump_stack+0x15/0x17 [ 47.639021][ T493] should_fail+0x3c0/0x510 [ 47.643548][ T493] ? __kernfs_new_node+0x99/0x6e0 [ 47.649108][ T493] __should_failslab+0x9f/0xe0 [ 47.653975][ T493] should_failslab+0x9/0x20 [ 47.658599][ T493] __kmalloc_track_caller+0x5f/0x350 [ 47.664770][ T493] kstrdup_const+0x55/0x90 [ 47.669464][ T493] __kernfs_new_node+0x99/0x6e0 [ 47.674307][ T493] ? is_module_text_address+0xe1/0x140 [ 47.679770][ T493] ? kernfs_new_node+0x170/0x170 [ 47.684964][ T493] ? ptr_to_hashval+0x60/0x60 [ 47.689623][ T493] ? arch_stack_walk+0xf8/0x140 [ 47.694753][ T493] ? snprintf+0xd6/0x120 [ 47.698981][ T493] kernfs_new_node+0x97/0x170 [ 47.703670][ T493] __kernfs_create_file+0x4a/0x270 [ 47.708783][ T493] cgroup_addrm_files+0xab8/0xfe0 [ 47.713920][ T493] ? ____kasan_kmalloc+0xdc/0x110 [ 47.719369][ T493] ? __kasan_kmalloc+0x9/0x10 [ 47.724154][ T493] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 47.729684][ T493] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 47.735816][ T493] ? delete_node+0x759/0x7b0 [ 47.740395][ T493] ? __kasan_check_read+0x11/0x20 [ 47.745426][ T493] ? delete_node+0x759/0x7b0 [ 47.749994][ T493] ? __kasan_check_write+0x14/0x20 [ 47.755470][ T493] ? idr_replace+0x1c4/0x230 [ 47.760059][ T493] ? idr_get_next+0x4b0/0x4b0 [ 47.764918][ T493] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 47.769975][ T493] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 47.775167][ T493] css_populate_dir+0x137/0x370 [ 47.780121][ T493] cgroup_apply_control_enable+0x8b9/0x12f0 [ 47.786009][ T493] cgroup_apply_control+0x93/0x710 [ 47.791101][ T493] ? css_next_child+0x160/0x160 [ 47.795956][ T493] ? io_schedule+0x120/0x120 [ 47.800541][ T493] ? kernfs_fop_write_iter+0x15e/0x410 [ 47.806072][ T493] ? __kasan_check_write+0x14/0x20 [ 47.811254][ T493] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 47.816538][ T493] cgroup_subtree_control_write+0xd19/0x1310 [ 47.822608][ T493] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.828575][ T493] ? __kasan_check_write+0x14/0x20 [ 47.833754][ T493] ? _copy_from_iter+0x3fb/0xd60 [ 47.838680][ T493] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.844638][ T493] cgroup_file_write+0x28e/0x590 [ 47.849564][ T493] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.854661][ T493] ? mutex_lock+0xa6/0x110 [ 47.859154][ T493] ? mutex_trylock+0xb0/0xb0 [ 47.863743][ T493] ? __kasan_check_write+0x14/0x20 [ 47.868839][ T493] kernfs_fop_write_iter+0x2d0/0x410 [ 47.874293][ T493] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.879396][ T493] vfs_write+0xc1c/0xf40 [ 47.883622][ T493] ? kernel_write+0x3c0/0x3c0 [ 47.888279][ T493] ? mutex_trylock+0xb0/0xb0 [ 47.892859][ T493] ? __fdget_pos+0x26d/0x310 [ 47.897441][ T493] ? ksys_write+0x77/0x2c0 [ 47.901838][ T493] ksys_write+0x198/0x2c0 [ 47.906151][ T493] ? __ia32_sys_read+0x90/0x90 [ 47.910905][ T493] ? debug_smp_processor_id+0x17/0x20 [ 47.916258][ T493] __x64_sys_write+0x7b/0x90 [ 47.920887][ T493] do_syscall_64+0x34/0x70 [ 47.925296][ T493] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.931217][ T493] RIP: 0033:0x7f0eb6d100e9 [ 47.936013][ T493] 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 [ 47.955636][ T493] RSP: 002b:00007f0eb6c86168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.964040][ T493] RAX: ffffffffffffffda RBX: 00007f0eb6e22f60 RCX: 00007f0eb6d100e9 [ 47.972416][ T493] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.980384][ T493] RBP: 00007f0eb6c861d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.988371][ T493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.996330][ T493] R13: 00007fff2d30895f R14: 00007f0eb6c86300 R15: 0000000000022000 2022/06/06 19:49:25 executed programs: 24 [ 48.004432][ T493] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.011831][ T493] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 48.044808][ T44] !!!! css_release enqueue(ffff888111e10400) [ 48.050950][ T44] !!!! css_release enqueue(ffff888111f88000) [ 48.057795][ T44] !!!! css_release enqueue(ffff888111f89c00) [ 48.064304][ T488] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 48.064488][ T469] FAULT_INJECTION: forcing a failure. [ 48.064488][ T469] name failslab, interval 1, probability 0, space 0, times 0 [ 48.084503][ T469] CPU: 0 PID: 469 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 48.096317][ T469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.106418][ T469] Call Trace: [ 48.109752][ T469] dump_stack_lvl+0x1e2/0x24b [ 48.115072][ T469] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.120708][ T469] ? selinux_kernfs_init_security+0x1a8/0x760 [ 48.126778][ T469] dump_stack+0x15/0x17 [ 48.131002][ T469] should_fail+0x3c0/0x510 [ 48.135721][ T469] ? __kernfs_new_node+0x99/0x6e0 [ 48.140755][ T469] __should_failslab+0x9f/0xe0 [ 48.145601][ T469] should_failslab+0x9/0x20 [ 48.150110][ T469] __kmalloc_track_caller+0x5f/0x350 [ 48.155389][ T469] kstrdup_const+0x55/0x90 [ 48.159888][ T469] __kernfs_new_node+0x99/0x6e0 [ 48.164743][ T469] ? is_module_text_address+0xe1/0x140 [ 48.170230][ T469] ? kernfs_new_node+0x170/0x170 [ 48.175156][ T469] ? ptr_to_hashval+0x60/0x60 [ 48.179820][ T469] ? arch_stack_walk+0xf8/0x140 [ 48.185266][ T469] ? snprintf+0xd6/0x120 [ 48.189502][ T469] kernfs_new_node+0x97/0x170 [ 48.194280][ T469] __kernfs_create_file+0x4a/0x270 [ 48.199461][ T469] cgroup_addrm_files+0xab8/0xfe0 [ 48.205125][ T469] ? ____kasan_kmalloc+0xdc/0x110 [ 48.210897][ T469] ? __kasan_kmalloc+0x9/0x10 [ 48.215574][ T469] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 48.221207][ T469] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 48.227600][ T469] ? delete_node+0x759/0x7b0 [ 48.232177][ T469] ? __kasan_check_read+0x11/0x20 [ 48.237188][ T469] ? delete_node+0x759/0x7b0 [ 48.241983][ T469] ? __kasan_check_write+0x14/0x20 [ 48.247517][ T469] ? idr_replace+0x1c4/0x230 [ 48.252193][ T469] ? idr_get_next+0x4b0/0x4b0 [ 48.256857][ T469] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 48.261863][ T469] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 48.267137][ T469] css_populate_dir+0x137/0x370 [ 48.271992][ T469] cgroup_apply_control_enable+0x8b9/0x12f0 [ 48.277959][ T469] cgroup_apply_control+0x93/0x710 [ 48.283815][ T469] ? css_next_child+0x160/0x160 [ 48.288664][ T469] ? dequeue_task_fair+0x7ad/0xb50 [ 48.293876][ T469] ? io_schedule+0x120/0x120 [ 48.298485][ T469] ? kernfs_fop_write_iter+0x15e/0x410 [ 48.304027][ T469] ? __kasan_check_write+0x14/0x20 [ 48.309126][ T469] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.314642][ T469] cgroup_subtree_control_write+0xd19/0x1310 [ 48.320892][ T469] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.327300][ T469] ? __kasan_check_write+0x14/0x20 [ 48.332446][ T469] ? _copy_from_iter+0x3fb/0xd60 [ 48.337431][ T469] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.343660][ T469] cgroup_file_write+0x28e/0x590 [ 48.348766][ T469] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.353870][ T469] ? mutex_lock+0xa6/0x110 [ 48.358373][ T469] ? mutex_trylock+0xb0/0xb0 [ 48.363044][ T469] ? __kasan_check_write+0x14/0x20 [ 48.368153][ T469] kernfs_fop_write_iter+0x2d0/0x410 [ 48.373432][ T469] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.378621][ T469] vfs_write+0xc1c/0xf40 [ 48.383005][ T469] ? kernel_write+0x3c0/0x3c0 [ 48.387672][ T469] ? mutex_trylock+0xb0/0xb0 [ 48.392332][ T469] ? __fdget_pos+0x26d/0x310 [ 48.397016][ T469] ? ksys_write+0x77/0x2c0 [ 48.401418][ T469] ksys_write+0x198/0x2c0 [ 48.405737][ T469] ? __ia32_sys_read+0x90/0x90 [ 48.410927][ T469] ? debug_smp_processor_id+0x17/0x20 [ 48.416297][ T469] __x64_sys_write+0x7b/0x90 [ 48.420889][ T469] do_syscall_64+0x34/0x70 [ 48.425301][ T469] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.431323][ T469] RIP: 0033:0x7fb54eff20e9 [ 48.435746][ T469] 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 [ 48.455679][ T469] RSP: 002b:00007fb54ef47168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.464074][ T469] RAX: ffffffffffffffda RBX: 00007fb54f105030 RCX: 00007fb54eff20e9 [ 48.472207][ T469] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.480167][ T469] RBP: 00007fb54ef471d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.488208][ T469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.496181][ T469] R13: 00007fff5c3f39af R14: 00007fb54ef47300 R15: 0000000000022000 [ 48.504378][ T469] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.512424][ T469] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 48.544808][ T44] !!!! css_release enqueue(ffff888112013000) [ 48.550956][ T44] !!!! css_release enqueue(ffff888112012c00) [ 48.557445][ T44] !!!! css_release enqueue(ffff888112010000) [ 48.563650][ T495] FAULT_INJECTION: forcing a failure. [ 48.563650][ T495] name failslab, interval 1, probability 0, space 0, times 0 [ 48.576610][ T495] CPU: 0 PID: 495 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 48.588146][ T495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.600119][ T495] Call Trace: [ 48.603412][ T495] dump_stack_lvl+0x1e2/0x24b [ 48.608091][ T495] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.613596][ T495] dump_stack+0x15/0x17 [ 48.617763][ T495] should_fail+0x3c0/0x510 [ 48.622268][ T495] ? pids_css_alloc+0x4e/0x120 [ 48.627124][ T495] __should_failslab+0x9f/0xe0 [ 48.632118][ T495] should_failslab+0x9/0x20 [ 48.636626][ T495] kmem_cache_alloc_trace+0x3a/0x330 [ 48.641922][ T495] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 48.647215][ T495] pids_css_alloc+0x4e/0x120 [ 48.652063][ T495] cgroup_apply_control_enable+0x350/0x12f0 [ 48.658235][ T495] cgroup_apply_control+0x93/0x710 [ 48.663819][ T495] ? css_next_child+0x160/0x160 [ 48.669107][ T495] ? io_schedule+0x120/0x120 [ 48.673685][ T495] ? kernfs_fop_write_iter+0x15e/0x410 [ 48.679242][ T495] ? __kasan_check_write+0x14/0x20 [ 48.684348][ T495] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.689661][ T495] cgroup_subtree_control_write+0xd19/0x1310 [ 48.695747][ T495] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.701811][ T495] ? __kasan_check_write+0x14/0x20 [ 48.706909][ T495] ? _copy_from_iter+0x3fb/0xd60 [ 48.712018][ T495] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.718015][ T495] cgroup_file_write+0x28e/0x590 [ 48.723203][ T495] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.728305][ T495] ? mutex_lock+0xa6/0x110 [ 48.732727][ T495] ? mutex_trylock+0xb0/0xb0 [ 48.737353][ T495] ? __kasan_check_write+0x14/0x20 [ 48.742561][ T495] kernfs_fop_write_iter+0x2d0/0x410 [ 48.747842][ T495] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.753048][ T495] vfs_write+0xc1c/0xf40 [ 48.757339][ T495] ? kernel_write+0x3c0/0x3c0 [ 48.762149][ T495] ? mutex_trylock+0xb0/0xb0 [ 48.766736][ T495] ? __fdget_pos+0x26d/0x310 [ 48.771801][ T495] ? ksys_write+0x77/0x2c0 [ 48.776220][ T495] ksys_write+0x198/0x2c0 [ 48.780603][ T495] ? __ia32_sys_read+0x90/0x90 [ 48.785375][ T495] ? debug_smp_processor_id+0x17/0x20 [ 48.790855][ T495] __x64_sys_write+0x7b/0x90 [ 48.795461][ T495] do_syscall_64+0x34/0x70 [ 48.799880][ T495] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.805759][ T495] RIP: 0033:0x7fbcee5610e9 [ 48.810172][ T495] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.833094][ T495] RSP: 002b:00007fbcee4d7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.841494][ T495] RAX: ffffffffffffffda RBX: 00007fbcee673f60 RCX: 00007fbcee5610e9 [ 48.849650][ T495] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.857697][ T495] RBP: 00007fbcee4d71d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.865738][ T495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.873872][ T495] R13: 00007ffcf7f183cf R14: 00007fbcee4d7300 R15: 0000000000022000 [ 48.883222][ T495] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 48.897053][ T44] !!!! css_release enqueue(ffff888112010c00) [ 48.903469][ T44] !!!! css_release enqueue(ffff888112010400) [ 48.910702][ T479] FAULT_INJECTION: forcing a failure. [ 48.910702][ T479] name failslab, interval 1, probability 0, space 0, times 0 [ 48.924001][ T479] CPU: 0 PID: 479 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 48.935710][ T479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.945759][ T479] Call Trace: [ 48.949059][ T479] dump_stack_lvl+0x1e2/0x24b [ 48.953770][ T479] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.959449][ T479] ? selinux_kernfs_init_security+0x1a8/0x760 [ 48.965627][ T479] dump_stack+0x15/0x17 [ 48.969771][ T479] should_fail+0x3c0/0x510 [ 48.974270][ T479] ? __kernfs_new_node+0x99/0x6e0 [ 48.979280][ T479] __should_failslab+0x9f/0xe0 [ 48.984113][ T479] should_failslab+0x9/0x20 [ 48.988613][ T479] __kmalloc_track_caller+0x5f/0x350 [ 48.993911][ T479] kstrdup_const+0x55/0x90 [ 49.000504][ T479] __kernfs_new_node+0x99/0x6e0 [ 49.005457][ T479] ? is_module_text_address+0xe1/0x140 [ 49.010933][ T479] ? kernfs_new_node+0x170/0x170 [ 49.015996][ T479] ? ptr_to_hashval+0x60/0x60 [ 49.020758][ T479] ? arch_stack_walk+0xf8/0x140 [ 49.025952][ T479] ? snprintf+0xd6/0x120 [ 49.030194][ T479] kernfs_new_node+0x97/0x170 [ 49.035077][ T479] __kernfs_create_file+0x4a/0x270 [ 49.040308][ T479] cgroup_addrm_files+0xab8/0xfe0 [ 49.045437][ T479] ? ____kasan_kmalloc+0xdc/0x110 [ 49.050582][ T479] ? __kasan_kmalloc+0x9/0x10 [ 49.055613][ T479] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 49.061348][ T479] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 49.067863][ T479] ? delete_node+0x759/0x7b0 [ 49.072461][ T479] ? __kasan_check_read+0x11/0x20 [ 49.077477][ T479] ? delete_node+0x759/0x7b0 [ 49.082452][ T479] ? __kasan_check_write+0x14/0x20 [ 49.087702][ T479] ? idr_replace+0x1c4/0x230 [ 49.092285][ T479] ? idr_get_next+0x4b0/0x4b0 [ 49.096974][ T479] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 49.102395][ T479] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 49.107795][ T479] css_populate_dir+0x137/0x370 [ 49.113063][ T479] cgroup_apply_control_enable+0x8b9/0x12f0 [ 49.119267][ T479] cgroup_apply_control+0x93/0x710 [ 49.124382][ T479] ? css_next_child+0x160/0x160 [ 49.129223][ T479] ? io_schedule+0x120/0x120 [ 49.134172][ T479] ? kernfs_fop_write_iter+0x15e/0x410 [ 49.139848][ T479] ? __kasan_check_write+0x14/0x20 [ 49.144961][ T479] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 49.150242][ T479] cgroup_subtree_control_write+0xd19/0x1310 [ 49.156431][ T479] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.162607][ T479] ? __kasan_check_write+0x14/0x20 [ 49.167860][ T479] ? _copy_from_iter+0x3fb/0xd60 [ 49.172840][ T479] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.178835][ T479] cgroup_file_write+0x28e/0x590 [ 49.183769][ T479] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.188869][ T479] ? mutex_lock+0xa6/0x110 [ 49.193285][ T479] ? mutex_trylock+0xb0/0xb0 [ 49.198296][ T479] ? __kasan_check_write+0x14/0x20 [ 49.203616][ T479] kernfs_fop_write_iter+0x2d0/0x410 [ 49.209086][ T479] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.214282][ T479] vfs_write+0xc1c/0xf40 [ 49.218612][ T479] ? kernel_write+0x3c0/0x3c0 [ 49.223590][ T479] ? mutex_trylock+0xb0/0xb0 [ 49.228180][ T479] ? __fdget_pos+0x26d/0x310 [ 49.232846][ T479] ? ksys_write+0x77/0x2c0 [ 49.239319][ T479] ksys_write+0x198/0x2c0 [ 49.244087][ T479] ? __ia32_sys_read+0x90/0x90 [ 49.248962][ T479] ? debug_smp_processor_id+0x17/0x20 [ 49.254436][ T479] __x64_sys_write+0x7b/0x90 [ 49.259093][ T479] do_syscall_64+0x34/0x70 [ 49.263528][ T479] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.269415][ T479] RIP: 0033:0x7f3ecd0f30e9 [ 49.273817][ T479] 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 [ 49.293766][ T479] RSP: 002b:00007f3ecd048168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.302498][ T479] RAX: ffffffffffffffda RBX: 00007f3ecd206030 RCX: 00007f3ecd0f30e9 [ 49.310469][ T479] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.318432][ T479] RBP: 00007f3ecd0481d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.326594][ T479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.334874][ T479] R13: 00007ffd241f85cf R14: 00007f3ecd048300 R15: 0000000000022000 [ 49.345243][ T479] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.352505][ T479] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 49.384815][ T44] !!!! css_release enqueue(ffff88811246a400) [ 49.391333][ T44] !!!! css_release enqueue(ffff888112469400) [ 49.399155][ T44] !!!! css_release enqueue(ffff888112469000) [ 49.405473][ T499] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 49.405614][ T484] FAULT_INJECTION: forcing a failure. [ 49.405614][ T484] name failslab, interval 1, probability 0, space 0, times 0 [ 49.425006][ T484] CPU: 1 PID: 484 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 49.436554][ T484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.446730][ T484] Call Trace: [ 49.450014][ T484] dump_stack_lvl+0x1e2/0x24b [ 49.454694][ T484] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.460238][ T484] dump_stack+0x15/0x17 [ 49.464396][ T484] should_fail+0x3c0/0x510 [ 49.469021][ T484] ? pids_css_alloc+0x4e/0x120 [ 49.473896][ T484] __should_failslab+0x9f/0xe0 [ 49.478656][ T484] should_failslab+0x9/0x20 [ 49.483596][ T484] kmem_cache_alloc_trace+0x3a/0x330 [ 49.488974][ T484] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 49.494279][ T484] pids_css_alloc+0x4e/0x120 [ 49.498889][ T484] cgroup_apply_control_enable+0x350/0x12f0 [ 49.504791][ T484] cgroup_apply_control+0x93/0x710 [ 49.509898][ T484] ? css_next_child+0x160/0x160 [ 49.514989][ T484] ? io_schedule+0x120/0x120 [ 49.519582][ T484] ? kernfs_fop_write_iter+0x15e/0x410 [ 49.525118][ T484] ? __kasan_check_write+0x14/0x20 [ 49.530229][ T484] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 49.535517][ T484] cgroup_subtree_control_write+0xd19/0x1310 [ 49.541646][ T484] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.547654][ T484] ? __kasan_check_write+0x14/0x20 [ 49.552921][ T484] ? _copy_from_iter+0x3fb/0xd60 [ 49.557874][ T484] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.563997][ T484] cgroup_file_write+0x28e/0x590 [ 49.569124][ T484] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.574334][ T484] ? mutex_lock+0xa6/0x110 [ 49.579120][ T484] ? mutex_trylock+0xb0/0xb0 [ 49.583722][ T484] ? __kasan_check_write+0x14/0x20 [ 49.589004][ T484] kernfs_fop_write_iter+0x2d0/0x410 [ 49.594735][ T484] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.600036][ T484] vfs_write+0xc1c/0xf40 [ 49.604526][ T484] ? kernel_write+0x3c0/0x3c0 [ 49.609386][ T484] ? mutex_trylock+0xb0/0xb0 [ 49.614165][ T484] ? __fdget_pos+0x26d/0x310 [ 49.618757][ T484] ? ksys_write+0x77/0x2c0 [ 49.623285][ T484] ksys_write+0x198/0x2c0 [ 49.627694][ T484] ? __ia32_sys_read+0x90/0x90 [ 49.632531][ T484] ? debug_smp_processor_id+0x17/0x20 [ 49.638025][ T484] __x64_sys_write+0x7b/0x90 [ 49.642734][ T484] do_syscall_64+0x34/0x70 [ 49.647343][ T484] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.653222][ T484] RIP: 0033:0x7fb7352300e9 [ 49.657635][ T484] 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 [ 49.680081][ T484] RSP: 002b:00007fb735185168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.688680][ T484] RAX: ffffffffffffffda RBX: 00007fb735343030 RCX: 00007fb7352300e9 [ 49.696947][ T484] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.704931][ T484] RBP: 00007fb7351851d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.712906][ T484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.721636][ T484] R13: 00007ffe95ec32cf R14: 00007fb735185300 R15: 0000000000022000 [ 49.730814][ T484] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 49.774805][ T108] !!!! css_release enqueue(ffff88811252a800) [ 49.781277][ T108] !!!! css_release enqueue(ffff88811252a000) [ 49.787579][ T509] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 49.787694][ T506] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 49.794533][ T503] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 49.800914][ T497] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 49.807815][ T501] FAULT_INJECTION: forcing a failure. [ 49.807815][ T501] name failslab, interval 1, probability 0, space 0, times 0 [ 49.826746][ T501] CPU: 1 PID: 501 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 49.838270][ T501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.848402][ T501] Call Trace: [ 49.851687][ T501] dump_stack_lvl+0x1e2/0x24b [ 49.856540][ T501] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.861986][ T501] ? selinux_kernfs_init_security+0x1a8/0x760 [ 49.868064][ T501] dump_stack+0x15/0x17 [ 49.872241][ T501] should_fail+0x3c0/0x510 [ 49.876647][ T501] ? __kernfs_new_node+0x99/0x6e0 [ 49.881716][ T501] __should_failslab+0x9f/0xe0 [ 49.886568][ T501] should_failslab+0x9/0x20 [ 49.891104][ T501] __kmalloc_track_caller+0x5f/0x350 [ 49.896485][ T501] kstrdup_const+0x55/0x90 [ 49.900906][ T501] __kernfs_new_node+0x99/0x6e0 [ 49.905945][ T501] ? is_module_text_address+0xe1/0x140 [ 49.911398][ T501] ? kernfs_new_node+0x170/0x170 [ 49.916331][ T501] ? ptr_to_hashval+0x60/0x60 [ 49.921115][ T501] ? arch_stack_walk+0xf8/0x140 [ 49.925967][ T501] ? snprintf+0xd6/0x120 [ 49.930248][ T501] kernfs_new_node+0x97/0x170 [ 49.934925][ T501] __kernfs_create_file+0x4a/0x270 [ 49.940158][ T501] cgroup_addrm_files+0xab8/0xfe0 [ 49.945377][ T501] ? ____kasan_kmalloc+0xdc/0x110 [ 49.950389][ T501] ? __kasan_kmalloc+0x9/0x10 [ 49.955059][ T501] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 49.960594][ T501] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 49.966729][ T501] ? delete_node+0x759/0x7b0 [ 49.971383][ T501] ? __kasan_check_read+0x11/0x20 [ 49.976381][ T501] ? delete_node+0x759/0x7b0 [ 49.980966][ T501] ? __kasan_check_write+0x14/0x20 [ 49.986054][ T501] ? idr_replace+0x1c4/0x230 [ 49.990626][ T501] ? idr_get_next+0x4b0/0x4b0 [ 49.995284][ T501] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 50.000321][ T501] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 50.005510][ T501] css_populate_dir+0x137/0x370 [ 50.010343][ T501] cgroup_apply_control_enable+0x8b9/0x12f0 [ 50.016226][ T501] cgroup_apply_control+0x93/0x710 [ 50.021316][ T501] ? css_next_child+0x160/0x160 [ 50.026179][ T501] ? dequeue_task_fair+0x7ad/0xb50 [ 50.031354][ T501] ? io_schedule+0x120/0x120 [ 50.036009][ T501] ? kernfs_fop_write_iter+0x15e/0x410 [ 50.041806][ T501] ? __kasan_check_write+0x14/0x20 [ 50.046895][ T501] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 50.052157][ T501] cgroup_subtree_control_write+0xd19/0x1310 [ 50.058136][ T501] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.064092][ T501] ? __kasan_check_write+0x14/0x20 [ 50.069183][ T501] ? _copy_from_iter+0x3fb/0xd60 [ 50.074098][ T501] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.080058][ T501] cgroup_file_write+0x28e/0x590 [ 50.084972][ T501] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.090071][ T501] ? mutex_lock+0xa6/0x110 [ 50.094495][ T501] ? mutex_trylock+0xb0/0xb0 [ 50.099238][ T501] ? __kasan_check_write+0x14/0x20 [ 50.104420][ T501] kernfs_fop_write_iter+0x2d0/0x410 [ 50.109683][ T501] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.114769][ T501] vfs_write+0xc1c/0xf40 [ 50.118995][ T501] ? kernel_write+0x3c0/0x3c0 [ 50.123658][ T501] ? mutex_trylock+0xb0/0xb0 [ 50.128246][ T501] ? __fdget_pos+0x26d/0x310 [ 50.132897][ T501] ? ksys_write+0x77/0x2c0 [ 50.137438][ T501] ksys_write+0x198/0x2c0 [ 50.141759][ T501] ? __ia32_sys_read+0x90/0x90 [ 50.146512][ T501] ? debug_smp_processor_id+0x17/0x20 [ 50.152044][ T501] __x64_sys_write+0x7b/0x90 [ 50.156611][ T501] do_syscall_64+0x34/0x70 [ 50.161024][ T501] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.166991][ T501] RIP: 0033:0x7fb54eff20e9 [ 50.171506][ T501] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.191129][ T501] RSP: 002b:00007fb54ef47168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.199619][ T501] RAX: ffffffffffffffda RBX: 00007fb54f105030 RCX: 00007fb54eff20e9 [ 50.207927][ T501] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.216136][ T501] RBP: 00007fb54ef471d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.224096][ T501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.232131][ T501] R13: 00007fff5c3f39af R14: 00007fb54ef47300 R15: 0000000000022000 [ 50.242579][ T501] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.250302][ T501] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 50.274744][ T108] !!!! css_release enqueue(ffff88811252ac00) [ 50.281270][ T108] !!!! css_release enqueue(ffff888112011800) [ 50.287714][ T108] !!!! css_release enqueue(ffff888112013800) [ 50.294214][ T500] FAULT_INJECTION: forcing a failure. [ 50.294214][ T500] name failslab, interval 1, probability 0, space 0, times 0 [ 50.307074][ T500] CPU: 0 PID: 500 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 50.318689][ T500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.329475][ T500] Call Trace: [ 50.332765][ T500] dump_stack_lvl+0x1e2/0x24b [ 50.337439][ T500] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.342894][ T500] ? selinux_kernfs_init_security+0x1a8/0x760 [ 50.348951][ T500] dump_stack+0x15/0x17 [ 50.353194][ T500] should_fail+0x3c0/0x510 [ 50.357714][ T500] ? __kernfs_new_node+0x99/0x6e0 [ 50.363120][ T500] __should_failslab+0x9f/0xe0 [ 50.367967][ T500] should_failslab+0x9/0x20 [ 50.372722][ T500] __kmalloc_track_caller+0x5f/0x350 [ 50.378010][ T500] kstrdup_const+0x55/0x90 [ 50.382513][ T500] __kernfs_new_node+0x99/0x6e0 [ 50.387449][ T500] ? is_module_text_address+0xe1/0x140 [ 50.392910][ T500] ? kernfs_new_node+0x170/0x170 [ 50.398292][ T500] ? ptr_to_hashval+0x60/0x60 [ 50.403573][ T500] ? arch_stack_walk+0xf8/0x140 [ 50.408590][ T500] ? snprintf+0xd6/0x120 [ 50.413372][ T500] kernfs_new_node+0x97/0x170 [ 50.418331][ T500] __kernfs_create_file+0x4a/0x270 [ 50.423453][ T500] cgroup_addrm_files+0xab8/0xfe0 [ 50.428477][ T500] ? ____kasan_kmalloc+0xdc/0x110 [ 50.433673][ T500] ? __kasan_kmalloc+0x9/0x10 [ 50.438358][ T500] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 50.444728][ T500] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 50.451010][ T500] ? delete_node+0x759/0x7b0 [ 50.455613][ T500] ? __kasan_check_read+0x11/0x20 [ 50.460727][ T500] ? delete_node+0x759/0x7b0 [ 50.465718][ T500] ? __kasan_check_write+0x14/0x20 [ 50.470828][ T500] ? idr_replace+0x1c4/0x230 [ 50.475411][ T500] ? idr_get_next+0x4b0/0x4b0 [ 50.480067][ T500] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 50.485078][ T500] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 50.490273][ T500] css_populate_dir+0x137/0x370 [ 50.495137][ T500] cgroup_apply_control_enable+0x8b9/0x12f0 [ 50.501212][ T500] cgroup_apply_control+0x93/0x710 [ 50.506841][ T500] ? css_next_child+0x160/0x160 [ 50.511694][ T500] ? set_next_entity+0xc5/0x390 [ 50.516574][ T500] ? io_schedule+0x120/0x120 [ 50.521170][ T500] ? kernfs_fop_write_iter+0x15e/0x410 [ 50.526640][ T500] ? __kasan_check_write+0x14/0x20 [ 50.532182][ T500] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 50.537874][ T500] cgroup_subtree_control_write+0xd19/0x1310 [ 50.543859][ T500] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.549839][ T500] ? __kasan_check_write+0x14/0x20 [ 50.555083][ T500] ? _copy_from_iter+0x3fb/0xd60 [ 50.560108][ T500] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.566296][ T500] cgroup_file_write+0x28e/0x590 [ 50.571230][ T500] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.577183][ T500] ? mutex_lock+0xa6/0x110 [ 50.583632][ T500] ? mutex_trylock+0xb0/0xb0 [ 50.589874][ T500] ? __kasan_check_write+0x14/0x20 [ 50.597124][ T500] kernfs_fop_write_iter+0x2d0/0x410 [ 50.604211][ T500] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.610311][ T500] vfs_write+0xc1c/0xf40 [ 50.615258][ T500] ? kernel_write+0x3c0/0x3c0 [ 50.620963][ T500] ? mutex_trylock+0xb0/0xb0 [ 50.625814][ T500] ? __fdget_pos+0x26d/0x310 [ 50.631941][ T500] ? ksys_write+0x77/0x2c0 [ 50.637207][ T500] ksys_write+0x198/0x2c0 [ 50.643427][ T500] ? __ia32_sys_read+0x90/0x90 [ 50.649677][ T500] ? debug_smp_processor_id+0x17/0x20 [ 50.656395][ T500] __x64_sys_write+0x7b/0x90 [ 50.661795][ T500] do_syscall_64+0x34/0x70 [ 50.667068][ T500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.673884][ T500] RIP: 0033:0x7f0eb6d100e9 [ 50.678555][ 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 [ 50.701448][ T500] RSP: 002b:00007f0eb6c65168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.710472][ T500] RAX: ffffffffffffffda RBX: 00007f0eb6e23030 RCX: 00007f0eb6d100e9 [ 50.718695][ T500] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.727621][ T500] RBP: 00007f0eb6c651d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.738453][ T500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.748203][ T500] R13: 00007fff2d30895f R14: 00007f0eb6c65300 R15: 0000000000022000 [ 50.759356][ T500] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.768625][ T500] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 50.804789][ T376] !!!! css_release enqueue(ffff888112621000) [ 50.811595][ T376] !!!! css_release enqueue(ffff888112621400) [ 50.821011][ T44] !!!! css_release enqueue(ffff888112622400) [ 50.828993][ T507] FAULT_INJECTION: forcing a failure. [ 50.828993][ T507] name failslab, interval 1, probability 0, space 0, times 0 [ 50.845899][ T507] CPU: 1 PID: 507 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 50.857659][ T507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.867964][ T507] Call Trace: [ 50.871346][ T507] dump_stack_lvl+0x1e2/0x24b [ 50.876191][ T507] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.881842][ T507] ? selinux_kernfs_init_security+0x1a8/0x760 [ 50.888232][ T507] dump_stack+0x15/0x17 [ 50.892490][ T507] should_fail+0x3c0/0x510 [ 50.897117][ T507] ? __kernfs_new_node+0x99/0x6e0 [ 50.902617][ T507] __should_failslab+0x9f/0xe0 [ 50.907750][ T507] should_failslab+0x9/0x20 [ 50.912591][ T507] __kmalloc_track_caller+0x5f/0x350 [ 50.918047][ T507] kstrdup_const+0x55/0x90 [ 50.922585][ T507] __kernfs_new_node+0x99/0x6e0 [ 50.927812][ T507] ? is_module_text_address+0xe1/0x140 [ 50.933488][ T507] ? kernfs_new_node+0x170/0x170 [ 50.938436][ T507] ? ptr_to_hashval+0x60/0x60 [ 50.943157][ T507] ? arch_stack_walk+0xf8/0x140 [ 50.948280][ T507] ? snprintf+0xd6/0x120 [ 50.952545][ T507] kernfs_new_node+0x97/0x170 [ 50.957221][ T507] __kernfs_create_file+0x4a/0x270 [ 50.962334][ T507] cgroup_addrm_files+0xab8/0xfe0 [ 50.967388][ T507] ? ____kasan_kmalloc+0xdc/0x110 [ 50.972488][ T507] ? __kasan_kmalloc+0x9/0x10 [ 50.977508][ T507] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 50.983144][ T507] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 50.990621][ T507] ? delete_node+0x759/0x7b0 [ 50.995392][ T507] ? __kasan_check_read+0x11/0x20 [ 51.000935][ T507] ? delete_node+0x759/0x7b0 [ 51.006366][ T507] ? __kasan_check_write+0x14/0x20 [ 51.011772][ T507] ? idr_replace+0x1c4/0x230 [ 51.016454][ T507] ? idr_get_next+0x4b0/0x4b0 [ 51.021494][ T507] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 51.026835][ T507] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 51.032045][ T507] css_populate_dir+0x137/0x370 [ 51.037790][ T507] cgroup_apply_control_enable+0x8b9/0x12f0 [ 51.043795][ T507] cgroup_apply_control+0x93/0x710 [ 51.049351][ T507] ? css_next_child+0x160/0x160 [ 51.054663][ T507] ? dequeue_task_fair+0x7ad/0xb50 [ 51.059956][ T507] ? io_schedule+0x120/0x120 [ 51.064626][ T507] ? kernfs_fop_write_iter+0x15e/0x410 [ 51.070392][ T507] ? __kasan_check_write+0x14/0x20 [ 51.075601][ T507] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 51.080894][ T507] cgroup_subtree_control_write+0xd19/0x1310 [ 51.087350][ T507] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.093529][ T507] ? __kasan_check_write+0x14/0x20 [ 51.098725][ T507] ? _copy_from_iter+0x3fb/0xd60 [ 51.103668][ T507] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.109762][ T507] cgroup_file_write+0x28e/0x590 [ 51.114683][ T507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.120828][ T507] ? mutex_lock+0xa6/0x110 [ 51.125259][ T507] ? mutex_trylock+0xb0/0xb0 [ 51.130444][ T507] ? __kasan_check_write+0x14/0x20 [ 51.135574][ T507] kernfs_fop_write_iter+0x2d0/0x410 [ 51.140862][ T507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.146096][ T507] vfs_write+0xc1c/0xf40 [ 51.150543][ T507] ? kernel_write+0x3c0/0x3c0 [ 51.155529][ T507] ? mutex_trylock+0xb0/0xb0 [ 51.160114][ T507] ? __fdget_pos+0x26d/0x310 [ 51.164696][ T507] ? ksys_write+0x77/0x2c0 [ 51.169106][ T507] ksys_write+0x198/0x2c0 [ 51.173568][ T507] ? __ia32_sys_read+0x90/0x90 [ 51.178318][ T507] ? debug_smp_processor_id+0x17/0x20 [ 51.184871][ T507] __x64_sys_write+0x7b/0x90 [ 51.189630][ T507] do_syscall_64+0x34/0x70 [ 51.194131][ T507] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.200203][ T507] RIP: 0033:0x7f3ecd0f30e9 [ 51.204624][ T507] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.224401][ T507] RSP: 002b:00007f3ecd048168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.232814][ T507] RAX: ffffffffffffffda RBX: 00007f3ecd206030 RCX: 00007f3ecd0f30e9 [ 51.240863][ T507] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.248917][ T507] RBP: 00007f3ecd0481d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.256873][ T507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.264988][ T507] R13: 00007ffd241f85cf R14: 00007f3ecd048300 R15: 0000000000022000 [ 51.273290][ T507] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.280628][ T507] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 51.296249][ T44] !!!! css_release enqueue(ffff888112749800) [ 51.302607][ T44] !!!! css_release enqueue(ffff888112748800) [ 51.309642][ T44] !!!! css_release enqueue(ffff88811274b400) [ 51.316076][ T489] FAULT_INJECTION: forcing a failure. [ 51.316076][ T489] name failslab, interval 1, probability 0, space 0, times 0 [ 51.329696][ T489] CPU: 0 PID: 489 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 51.341317][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.351355][ T489] Call Trace: [ 51.354637][ T489] dump_stack_lvl+0x1e2/0x24b [ 51.359412][ T489] ? panic+0x7d7/0x7d7 [ 51.363657][ T489] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.369108][ T489] ? find_next_bit+0xd6/0x120 [ 51.373772][ T489] ? cpumask_next+0x11/0x30 [ 51.378263][ T489] dump_stack+0x15/0x17 [ 51.382414][ T489] should_fail+0x3c0/0x510 [ 51.386883][ T489] ? percpu_ref_init+0xd0/0x330 [ 51.391718][ T489] __should_failslab+0x9f/0xe0 [ 51.396488][ T489] should_failslab+0x9/0x20 [ 51.401002][ T489] kmem_cache_alloc_trace+0x3a/0x330 [ 51.406274][ T489] percpu_ref_init+0xd0/0x330 [ 51.410965][ T489] ? cgroup_setup_root+0xea0/0xea0 [ 51.416079][ T489] cgroup_apply_control_enable+0x3a2/0x12f0 [ 51.422048][ T489] cgroup_apply_control+0x93/0x710 [ 51.427140][ T489] ? css_next_child+0x160/0x160 [ 51.431972][ T489] ? dequeue_task_fair+0x7ad/0xb50 [ 51.437063][ T489] ? io_schedule+0x120/0x120 [ 51.441720][ T489] ? kernfs_fop_write_iter+0x15e/0x410 [ 51.447202][ T489] ? __kasan_check_write+0x14/0x20 [ 51.452391][ T489] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 51.457837][ T489] cgroup_subtree_control_write+0xd19/0x1310 [ 51.463809][ T489] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.469778][ T489] ? __kasan_check_write+0x14/0x20 [ 51.474882][ T489] ? _copy_from_iter+0x3fb/0xd60 [ 51.479809][ T489] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.485801][ T489] cgroup_file_write+0x28e/0x590 [ 51.490737][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.495826][ T489] ? mutex_lock+0xa6/0x110 [ 51.500221][ T489] ? mutex_trylock+0xb0/0xb0 [ 51.504883][ T489] ? __kasan_check_write+0x14/0x20 [ 51.509985][ T489] kernfs_fop_write_iter+0x2d0/0x410 [ 51.515249][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.520348][ T489] vfs_write+0xc1c/0xf40 [ 51.524673][ T489] ? kernel_write+0x3c0/0x3c0 [ 51.529482][ T489] ? mutex_trylock+0xb0/0xb0 [ 51.534162][ T489] ? __fdget_pos+0x26d/0x310 [ 51.538912][ T489] ? ksys_write+0x77/0x2c0 [ 51.543319][ T489] ksys_write+0x198/0x2c0 [ 51.547633][ T489] ? __ia32_sys_read+0x90/0x90 [ 51.552655][ T489] ? debug_smp_processor_id+0x17/0x20 [ 51.558044][ T489] __x64_sys_write+0x7b/0x90 [ 51.562713][ T489] do_syscall_64+0x34/0x70 [ 51.567161][ T489] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.573305][ T489] RIP: 0033:0x7f1da03cf0e9 [ 51.577715][ 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 [ 51.597500][ T489] RSP: 002b:00007f1da0324168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.606090][ T489] RAX: ffffffffffffffda RBX: 00007f1da04e2030 RCX: 00007f1da03cf0e9 [ 51.614343][ T489] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.622327][ T489] RBP: 00007f1da03241d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.630306][ T489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.638353][ T489] R13: 00007fff4531b15f R14: 00007f1da0324300 R15: 0000000000022000 [ 51.648101][ T489] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 51.656814][ T408] ------------[ cut here ]------------ [ 51.662316][ T408] WARNING: CPU: 1 PID: 408 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 51.671299][ T408] Modules linked in: [ 51.675244][ T408] CPU: 1 PID: 408 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 51.686828][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.697115][ T408] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 51.703109][ T408] Code: 48 c7 c2 40 04 04 86 e8 74 f4 8e ff e9 8b fc ff ff e8 da 2d b6 ff e9 81 fc ff ff e8 d0 2d b6 ff e9 77 fc ff ff e8 c6 2d b6 ff <0f> 0b e9 f4 fc ff ff e8 ba 2d b6 ff e8 75 b9 a2 ff e9 ea fc ff ff [ 51.722848][ T408] RSP: 0018:ffffc90000bb7ca0 EFLAGS: 00010293 [ 51.729172][ T408] RAX: ffffffff81b68b3a RBX: 00000000ffffffff RCX: ffff88810b2813c0 [ 51.737622][ T408] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 51.745662][ T408] RBP: ffffc90000bb7d70 R08: ffffffff81b68828 R09: 0000000000000003 [ 51.753763][ T408] R10: fffff52000176f85 R11: 1ffff92000176f84 R12: dffffc0000000000 [ 51.761880][ T408] R13: ffff88812222fa40 R14: ffffc90000bb7d00 R15: 1ffff92000176f9c [ 51.769914][ T408] FS: 0000555555998400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 51.779156][ T408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.785976][ T408] CR2: 00007fff45319ff8 CR3: 000000011c4a0000 CR4: 00000000003506a0 [ 51.793989][ T408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.802139][ T408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.810619][ T408] Call Trace: [ 51.814446][ T408] ? lockref_get_or_lock+0x340/0x340 [ 51.819759][ T408] ? umount_tree+0xf50/0xf50 [ 51.824358][ T408] ? vfs_submount+0xb0/0xb0 [ 51.829012][ T408] ? dput+0x2b6/0x320 [ 51.832995][ T408] path_umount+0x1fe/0xfb0 [ 51.837498][ T408] ? namespace_unlock+0x4f0/0x4f0 [ 51.842721][ T408] ? user_path_at_empty+0x40/0x50 [ 51.847836][ T408] __x64_sys_umount+0x122/0x170 [ 51.852796][ T408] ? path_umount+0xfb0/0xfb0 [ 51.857749][ T408] ? debug_smp_processor_id+0x17/0x20 [ 51.863328][ T408] do_syscall_64+0x34/0x70 [ 51.867781][ T408] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.873979][ T408] RIP: 0033:0x7f1da03d0557 [ 51.878459][ T408] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.898361][ T408] RSP: 002b:00007fff4531a2b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 51.908351][ T408] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1da03d0557 [ 51.916945][ T408] RDX: 00007fff4531a389 RSI: 000000000000000a RDI: 00007fff4531a380 [ 51.925276][ T408] RBP: 00007fff4531a380 R08: 00000000ffffffff R09: 00007fff4531a150 [ 51.933731][ T408] R10: 0000555555999ba3 R11: 0000000000000246 R12: 00007f1da04281f8 [ 51.941768][ T408] R13: 00007fff4531b440 R14: 0000555555999b00 R15: 00007fff4531b480 [ 51.950827][ T408] ---[ end trace 6452452abc7e60d3 ]--- [ 51.956580][ T408] ------------[ cut here ]------------ [ 51.962066][ T408] WARNING: CPU: 0 PID: 408 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 51.971425][ T376] !!!! css_release enqueue(ffff888112529400) [ 51.971582][ T408] Modules linked in: [ 51.978263][ T376] !!!! css_release enqueue(ffff88811252a400) [ 51.982857][ T408] CPU: 1 PID: 408 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 51.989035][ T517] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 52.001660][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.001681][ T408] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 52.001701][ T408] Code: 0f a1 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 fe 13 b5 ff 48 8b 7d d0 e8 c5 07 05 00 e9 21 fd ff ff e8 eb 13 b5 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 d8 5e 86 80 e1 07 80 c1 03 38 c1 [ 52.008310][ T511] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 52.018713][ T408] RSP: 0018:ffffc90000bb7e30 EFLAGS: 00010293 [ 52.024920][ T504] FAULT_INJECTION: forcing a failure. [ 52.024920][ T504] name failslab, interval 1, probability 0, space 0, times 0 [ 52.044909][ T408] RAX: ffffffff81b7a515 RBX: ffffe8ffffd46024 RCX: ffff88810b2813c0 [ 52.044928][ T408] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 52.052448][ T504] CPU: 0 PID: 504 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 52.057667][ T408] RBP: ffffc90000bb7e80 R08: ffffffff81b7a1f3 R09: 0000000000000003 [ 52.070383][ T504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.070389][ T504] Call Trace: [ 52.070413][ T504] dump_stack_lvl+0x1e2/0x24b [ 52.070423][ T504] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.070445][ T504] ? selinux_kernfs_init_security+0x1a8/0x760 [ 52.078701][ T408] R10: fffff52000176fc5 R11: 1ffff92000176fc4 R12: ffff88812222faa8 [ 52.086535][ T504] dump_stack+0x15/0x17 [ 52.086545][ T504] should_fail+0x3c0/0x510 [ 52.086556][ T504] ? __kernfs_new_node+0x99/0x6e0 [ 52.086575][ T504] __should_failslab+0x9f/0xe0 [ 52.098275][ T408] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 52.106129][ T504] should_failslab+0x9/0x20 [ 52.106141][ T504] __kmalloc_track_caller+0x5f/0x350 [ 52.106159][ T504] kstrdup_const+0x55/0x90 [ 52.116640][ T408] FS: 0000555555998400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 52.119898][ T504] __kernfs_new_node+0x99/0x6e0 [ 52.124699][ T408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.130152][ T504] ? is_module_text_address+0xe1/0x140 [ 52.136318][ T408] CR2: 00007fff45319ff8 CR3: 000000011c4a0000 CR4: 00000000003506a0 [ 52.144418][ T504] ? kernfs_new_node+0x170/0x170 [ 52.148555][ T408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.152935][ T504] ? ptr_to_hashval+0x60/0x60 [ 52.157934][ T408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.162662][ T504] ? arch_stack_walk+0xf8/0x140 [ 52.170609][ T408] Call Trace: [ 52.175362][ T504] ? snprintf+0xd6/0x120 [ 52.175376][ T504] kernfs_new_node+0x97/0x170 [ 52.175387][ T504] __kernfs_create_file+0x4a/0x270 [ 52.175397][ T504] cgroup_addrm_files+0xab8/0xfe0 [ 52.175407][ T504] ? ____kasan_kmalloc+0xdc/0x110 [ 52.175415][ T504] ? __kasan_kmalloc+0x9/0x10 [ 52.175436][ T504] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 52.180725][ T408] __cleanup_mnt+0x19/0x20 [ 52.185229][ T504] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 52.185240][ T504] ? delete_node+0x759/0x7b0 [ 52.185252][ T504] ? __kasan_check_read+0x11/0x20 [ 52.185260][ T504] ? delete_node+0x759/0x7b0 [ 52.185279][ T504] ? __kasan_check_write+0x14/0x20 [ 52.194298][ T408] task_work_run+0x147/0x1b0 [ 52.199210][ T504] ? idr_replace+0x1c4/0x230 [ 52.199219][ T504] ? idr_get_next+0x4b0/0x4b0 [ 52.199229][ T504] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 52.199245][ T504] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 52.206098][ T408] exit_to_user_mode_loop+0xc8/0xe0 [ 52.211494][ T504] css_populate_dir+0x137/0x370 [ 52.219644][ T408] syscall_exit_to_user_mode+0x77/0xa0 [ 52.224534][ T504] cgroup_apply_control_enable+0x8b9/0x12f0 [ 52.232941][ T408] do_syscall_64+0x40/0x70 [ 52.237575][ T504] cgroup_apply_control+0x93/0x710 [ 52.237590][ T504] ? css_next_child+0x160/0x160 [ 52.245733][ T408] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.250728][ T504] ? dequeue_task_fair+0x7ad/0xb50 [ 52.254181][ T408] RIP: 0033:0x7f1da03d0557 [ 52.258643][ T504] ? io_schedule+0x120/0x120 [ 52.258655][ T504] ? kernfs_fop_write_iter+0x15e/0x410 [ 52.258673][ T504] ? __kasan_check_write+0x14/0x20 [ 52.263338][ T408] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.268436][ T504] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 52.268446][ T504] cgroup_subtree_control_write+0xd19/0x1310 [ 52.268461][ T504] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.273467][ T408] RSP: 002b:00007fff4531a2b8 EFLAGS: 00000246 [ 52.278462][ T504] ? __kasan_check_write+0x14/0x20 [ 52.278480][ T504] ? _copy_from_iter+0x3fb/0xd60 [ 52.283140][ T408] ORIG_RAX: 00000000000000a6 [ 52.289274][ T504] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.289282][ T504] cgroup_file_write+0x28e/0x590 [ 52.289297][ T504] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.293771][ T408] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1da03d0557 [ 52.300054][ T504] ? mutex_lock+0xa6/0x110 [ 52.300063][ T504] ? mutex_trylock+0xb0/0xb0 [ 52.300079][ T504] ? __kasan_check_write+0x14/0x20 [ 52.304650][ T408] RDX: 00007fff4531a389 RSI: 000000000000000a RDI: 00007fff4531a380 [ 52.309727][ T504] kernfs_fop_write_iter+0x2d0/0x410 [ 52.314286][ T408] RBP: 00007fff4531a380 R08: 00000000ffffffff R09: 00007fff4531a150 [ 52.319365][ T504] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.319387][ T504] vfs_write+0xc1c/0xf40 [ 52.323944][ T408] R10: 0000555555999ba3 R11: 0000000000000246 R12: 00007f1da04281f8 [ 52.328504][ T504] ? kernel_write+0x3c0/0x3c0 [ 52.328521][ T504] ? mutex_trylock+0xb0/0xb0 [ 52.333169][ T408] R13: 00007fff4531b440 R14: 0000555555999b00 R15: 00007fff4531b480 [ 52.338162][ T504] ? __fdget_pos+0x26d/0x310 [ 52.338170][ T504] ? ksys_write+0x77/0x2c0 [ 52.338184][ T504] ksys_write+0x198/0x2c0 [ 52.343353][ T408] ---[ end trace 6452452abc7e60d4 ]--- [ 52.348522][ T504] ? __ia32_sys_read+0x90/0x90 [ 52.348537][ T504] ? debug_smp_processor_id+0x17/0x20 [ 52.595735][ T504] __x64_sys_write+0x7b/0x90 [ 52.600331][ T504] do_syscall_64+0x34/0x70 [ 52.604732][ T504] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.610602][ T504] RIP: 0033:0x7fbcee5610e9 [ 52.614997][ T504] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.634913][ T504] RSP: 002b:00007fbcee4b6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.643767][ T504] RAX: ffffffffffffffda RBX: 00007fbcee674030 RCX: 00007fbcee5610e9 [ 52.651727][ T504] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.659786][ T504] RBP: 00007fbcee4b61d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.668804][ T504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.677219][ T504] R13: 00007ffcf7f183cf R14: 00007fbcee4b6300 R15: 0000000000022000 [ 52.687212][ T504] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.694995][ T504] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 52.736322][ T376] !!!! css_release enqueue(ffff8881125a4800) [ 52.742632][ T5] !!!! css_release enqueue(ffff8881125a7400) [ 52.749239][ T5] !!!! css_release enqueue(ffff8881125a4400) [ 52.755942][ T509] FAULT_INJECTION: forcing a failure. [ 52.755942][ T509] name failslab, interval 1, probability 0, space 0, times 0 [ 52.769597][ T509] CPU: 1 PID: 509 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 52.781133][ T509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.792353][ T509] Call Trace: [ 52.795713][ T509] dump_stack_lvl+0x1e2/0x24b [ 52.800679][ T509] ? panic+0x7d7/0x7d7 [ 52.804830][ T509] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.810366][ T509] ? find_next_bit+0xd6/0x120 [ 52.815045][ T509] ? cpumask_next+0x11/0x30 [ 52.819641][ T509] dump_stack+0x15/0x17 [ 52.823805][ T509] should_fail+0x3c0/0x510 [ 52.828240][ T509] ? percpu_ref_init+0xd0/0x330 [ 52.833121][ T509] __should_failslab+0x9f/0xe0 [ 52.837892][ T509] should_failslab+0x9/0x20 [ 52.842575][ T509] kmem_cache_alloc_trace+0x3a/0x330 [ 52.847854][ T509] percpu_ref_init+0xd0/0x330 [ 52.852540][ T509] ? cgroup_setup_root+0xea0/0xea0 [ 52.857736][ T509] cgroup_apply_control_enable+0x3a2/0x12f0 [ 52.864024][ T509] cgroup_apply_control+0x93/0x710 [ 52.869127][ T509] ? css_next_child+0x160/0x160 [ 52.873963][ T509] ? io_schedule+0x120/0x120 [ 52.878536][ T509] ? kernfs_fop_write_iter+0x15e/0x410 [ 52.884011][ T509] ? __kasan_check_write+0x14/0x20 [ 52.889704][ T509] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 52.895877][ T509] cgroup_subtree_control_write+0xd19/0x1310 [ 52.902416][ T509] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.908912][ T509] ? __kasan_check_write+0x14/0x20 [ 52.914401][ T509] ? _copy_from_iter+0x3fb/0xd60 [ 52.919516][ T509] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.925665][ T509] cgroup_file_write+0x28e/0x590 [ 52.930699][ T509] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.935811][ T509] ? mutex_lock+0xa6/0x110 [ 52.940230][ T509] ? mutex_trylock+0xb0/0xb0 [ 52.944814][ T509] ? __kasan_check_write+0x14/0x20 [ 52.949921][ T509] kernfs_fop_write_iter+0x2d0/0x410 [ 52.955539][ T509] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.960766][ T509] vfs_write+0xc1c/0xf40 [ 52.965013][ T509] ? kernel_write+0x3c0/0x3c0 [ 52.969796][ T509] ? mutex_trylock+0xb0/0xb0 [ 52.974494][ T509] ? __fdget_pos+0x26d/0x310 [ 52.979472][ T509] ? ksys_write+0x77/0x2c0 [ 52.983885][ T509] ksys_write+0x198/0x2c0 [ 52.988290][ T509] ? __ia32_sys_read+0x90/0x90 [ 52.993241][ T509] ? debug_smp_processor_id+0x17/0x20 [ 52.998694][ T509] __x64_sys_write+0x7b/0x90 [ 53.003335][ T509] do_syscall_64+0x34/0x70 [ 53.007853][ T509] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.014359][ T509] RIP: 0033:0x7fb7352300e9 [ 53.018863][ T509] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.038731][ T509] RSP: 002b:00007fb7351a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.047252][ T509] RAX: ffffffffffffffda RBX: 00007fb735342f60 RCX: 00007fb7352300e9 [ 53.055242][ T509] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.063248][ T509] RBP: 00007fb7351a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.071311][ T509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.079287][ T509] R13: 00007ffe95ec32cf R14: 00007fb7351a6300 R15: 0000000000022000 2022/06/06 19:49:31 executed programs: 35 [ 53.087589][ T509] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 53.124906][ T5] !!!! css_release enqueue(ffff888111197c00) [ 53.131176][ T5] !!!! css_release enqueue(ffff888112d7d000) [ 53.137661][ T518] FAULT_INJECTION: forcing a failure. [ 53.137661][ T518] name failslab, interval 1, probability 0, space 0, times 0 [ 53.150451][ T518] CPU: 1 PID: 518 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 53.162004][ T518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.172050][ T518] Call Trace: [ 53.175345][ T518] dump_stack_lvl+0x1e2/0x24b [ 53.180005][ T518] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.186060][ T518] ? selinux_kernfs_init_security+0x1a8/0x760 [ 53.192108][ T518] dump_stack+0x15/0x17 [ 53.196243][ T518] should_fail+0x3c0/0x510 [ 53.200647][ T518] ? __kernfs_new_node+0x99/0x6e0 [ 53.205654][ T518] __should_failslab+0x9f/0xe0 [ 53.210458][ T518] should_failslab+0x9/0x20 [ 53.215032][ T518] __kmalloc_track_caller+0x5f/0x350 [ 53.220487][ T518] kstrdup_const+0x55/0x90 [ 53.225009][ T518] __kernfs_new_node+0x99/0x6e0 [ 53.229870][ T518] ? is_module_text_address+0xe1/0x140 [ 53.235321][ T518] ? kernfs_new_node+0x170/0x170 [ 53.240268][ T518] ? ptr_to_hashval+0x60/0x60 [ 53.244936][ T518] ? arch_stack_walk+0xf8/0x140 [ 53.249769][ T518] ? snprintf+0xd6/0x120 [ 53.253991][ T518] kernfs_new_node+0x97/0x170 [ 53.258651][ T518] __kernfs_create_file+0x4a/0x270 [ 53.263829][ T518] cgroup_addrm_files+0xab8/0xfe0 [ 53.269624][ T518] ? ____kasan_kmalloc+0xdc/0x110 [ 53.274647][ T518] ? __kasan_kmalloc+0x9/0x10 [ 53.279309][ T518] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 53.285016][ T518] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 53.291150][ T518] ? delete_node+0x759/0x7b0 [ 53.295816][ T518] ? __kasan_check_read+0x11/0x20 [ 53.300834][ T518] ? delete_node+0x759/0x7b0 [ 53.305406][ T518] ? __kasan_check_write+0x14/0x20 [ 53.310494][ T518] ? idr_replace+0x1c4/0x230 [ 53.315062][ T518] ? idr_get_next+0x4b0/0x4b0 [ 53.319803][ T518] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 53.324810][ T518] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 53.330006][ T518] css_populate_dir+0x137/0x370 [ 53.334946][ T518] cgroup_apply_control_enable+0x8b9/0x12f0 [ 53.340831][ T518] cgroup_apply_control+0x93/0x710 [ 53.345925][ T518] ? css_next_child+0x160/0x160 [ 53.350773][ T518] ? dequeue_task_fair+0x7ad/0xb50 [ 53.355963][ T518] ? io_schedule+0x120/0x120 [ 53.360921][ T518] ? kernfs_fop_write_iter+0x15e/0x410 [ 53.366641][ T518] ? __kasan_check_write+0x14/0x20 [ 53.371893][ T518] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 53.377208][ T518] cgroup_subtree_control_write+0xd19/0x1310 [ 53.383299][ T518] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.389383][ T518] ? __kasan_check_write+0x14/0x20 [ 53.394720][ T518] ? _copy_from_iter+0x3fb/0xd60 [ 53.400013][ T518] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.405999][ T518] cgroup_file_write+0x28e/0x590 [ 53.410945][ T518] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.416073][ T518] ? mutex_lock+0xa6/0x110 [ 53.420488][ T518] ? mutex_trylock+0xb0/0xb0 [ 53.425073][ T518] ? __kasan_check_write+0x14/0x20 [ 53.430203][ T518] kernfs_fop_write_iter+0x2d0/0x410 [ 53.435580][ T518] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.440720][ T518] vfs_write+0xc1c/0xf40 [ 53.444970][ T518] ? kernel_write+0x3c0/0x3c0 [ 53.449799][ T518] ? mutex_trylock+0xb0/0xb0 [ 53.454383][ T518] ? __fdget_pos+0x26d/0x310 [ 53.459066][ T518] ? ksys_write+0x77/0x2c0 [ 53.463475][ T518] ksys_write+0x198/0x2c0 [ 53.467802][ T518] ? __ia32_sys_read+0x90/0x90 [ 53.472651][ T518] ? debug_smp_processor_id+0x17/0x20 [ 53.478015][ T518] __x64_sys_write+0x7b/0x90 [ 53.482604][ T518] do_syscall_64+0x34/0x70 [ 53.487010][ T518] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.492885][ T518] RIP: 0033:0x7f3ecd0f30e9 [ 53.497299][ 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 [ 53.517948][ T518] RSP: 002b:00007f3ecd048168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.526578][ T518] RAX: ffffffffffffffda RBX: 00007f3ecd206030 RCX: 00007f3ecd0f30e9 [ 53.534709][ T518] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.543301][ T518] RBP: 00007f3ecd0481d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.551436][ T518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.559491][ T518] R13: 00007ffd241f85cf R14: 00007f3ecd048300 R15: 0000000000022000 [ 53.571452][ T518] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 53.578688][ T518] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 53.624786][ T108] !!!! css_release enqueue(ffff888112b72000) [ 53.631529][ T108] !!!! css_release enqueue(ffff888112b72800) [ 53.638023][ T108] !!!! css_release enqueue(ffff888112b72400) [ 53.644235][ T529] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 53.644253][ T525] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 53.651115][ T532] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 53.658392][ T512] FAULT_INJECTION: forcing a failure. [ 53.658392][ T512] name failslab, interval 1, probability 0, space 0, times 0 [ 53.677261][ T512] CPU: 0 PID: 512 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 53.688798][ T512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.698845][ T512] Call Trace: [ 53.702241][ T512] dump_stack_lvl+0x1e2/0x24b [ 53.707078][ T512] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.712615][ T512] ? selinux_kernfs_init_security+0x1a8/0x760 [ 53.718780][ T512] dump_stack+0x15/0x17 [ 53.722932][ T512] should_fail+0x3c0/0x510 [ 53.727351][ T512] ? __kernfs_new_node+0x99/0x6e0 [ 53.732374][ T512] __should_failslab+0x9f/0xe0 [ 53.737135][ T512] should_failslab+0x9/0x20 [ 53.742075][ T512] __kmalloc_track_caller+0x5f/0x350 [ 53.747356][ T512] kstrdup_const+0x55/0x90 [ 53.751784][ T512] __kernfs_new_node+0x99/0x6e0 [ 53.756688][ T512] ? is_module_text_address+0xe1/0x140 [ 53.762304][ T512] ? kernfs_new_node+0x170/0x170 [ 53.767273][ T512] ? ptr_to_hashval+0x60/0x60 [ 53.772027][ T512] ? arch_stack_walk+0xf8/0x140 [ 53.777058][ T512] ? snprintf+0xd6/0x120 [ 53.781286][ T512] kernfs_new_node+0x97/0x170 [ 53.786045][ T512] __kernfs_create_file+0x4a/0x270 [ 53.791150][ T512] cgroup_addrm_files+0xab8/0xfe0 [ 53.796525][ T512] ? ____kasan_kmalloc+0xdc/0x110 [ 53.801551][ T512] ? __kasan_kmalloc+0x9/0x10 [ 53.806219][ T512] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 53.811753][ T512] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 53.818014][ T512] ? delete_node+0x759/0x7b0 [ 53.822606][ T512] ? __kasan_check_read+0x11/0x20 [ 53.827630][ T512] ? delete_node+0x759/0x7b0 [ 53.832231][ T512] ? __kasan_check_write+0x14/0x20 [ 53.837330][ T512] ? idr_replace+0x1c4/0x230 [ 53.841913][ T512] ? idr_get_next+0x4b0/0x4b0 [ 53.846573][ T512] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 53.851749][ T512] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 53.856941][ T512] css_populate_dir+0x137/0x370 [ 53.861783][ T512] cgroup_apply_control_enable+0x8b9/0x12f0 [ 53.867835][ T512] cgroup_apply_control+0x93/0x710 [ 53.872944][ T512] ? css_next_child+0x160/0x160 [ 53.877876][ T512] ? dequeue_task_fair+0x7ad/0xb50 [ 53.882982][ T512] ? io_schedule+0x120/0x120 [ 53.887553][ T512] ? kernfs_fop_write_iter+0x15e/0x410 [ 53.892998][ T512] ? __kasan_check_write+0x14/0x20 [ 53.898481][ T512] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 53.903854][ T512] cgroup_subtree_control_write+0xd19/0x1310 [ 53.909824][ T512] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.915813][ T512] ? __kasan_check_write+0x14/0x20 [ 53.920919][ T512] ? _copy_from_iter+0x3fb/0xd60 [ 53.925843][ T512] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.931818][ T512] cgroup_file_write+0x28e/0x590 [ 53.936936][ T512] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.942048][ T512] ? mutex_lock+0xa6/0x110 [ 53.946458][ T512] ? mutex_trylock+0xb0/0xb0 [ 53.951075][ T512] ? __kasan_check_write+0x14/0x20 [ 53.956178][ T512] kernfs_fop_write_iter+0x2d0/0x410 [ 53.961448][ T512] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.966559][ T512] vfs_write+0xc1c/0xf40 [ 53.970804][ T512] ? kernel_write+0x3c0/0x3c0 [ 53.975476][ T512] ? mutex_trylock+0xb0/0xb0 [ 53.980144][ T512] ? __fdget_pos+0x26d/0x310 [ 53.984717][ T512] ? ksys_write+0x77/0x2c0 [ 53.989207][ T512] ksys_write+0x198/0x2c0 [ 53.993524][ T512] ? __ia32_sys_read+0x90/0x90 [ 53.998288][ T512] ? debug_smp_processor_id+0x17/0x20 [ 54.003665][ T512] __x64_sys_write+0x7b/0x90 [ 54.008266][ T512] do_syscall_64+0x34/0x70 [ 54.012753][ T512] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.018631][ T512] RIP: 0033:0x7fb54eff20e9 [ 54.023028][ T512] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.042631][ T512] RSP: 002b:00007fb54ef47168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.051029][ T512] RAX: ffffffffffffffda RBX: 00007fb54f105030 RCX: 00007fb54eff20e9 [ 54.058982][ T512] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.066944][ T512] RBP: 00007fb54ef471d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.074901][ T512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.082853][ T512] R13: 00007fff5c3f39af R14: 00007fb54ef47300 R15: 0000000000022000 [ 54.091778][ T512] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.099342][ T512] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 54.144775][ T108] !!!! css_release enqueue(ffff888112df1000) [ 54.151443][ T108] !!!! css_release enqueue(ffff888112df3c00) [ 54.157777][ T108] !!!! css_release enqueue(ffff888112df3800) [ 54.164029][ T533] FAULT_INJECTION: forcing a failure. [ 54.164029][ T533] name failslab, interval 1, probability 0, space 0, times 0 [ 54.176967][ T533] CPU: 0 PID: 533 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 54.188479][ T533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.198530][ T533] Call Trace: [ 54.202081][ T533] dump_stack_lvl+0x1e2/0x24b [ 54.206767][ T533] ? bfq_pos_tree_add_move+0x43e/0x43e [ 54.212401][ T533] ? selinux_kernfs_init_security+0x1a8/0x760 [ 54.218751][ T533] dump_stack+0x15/0x17 [ 54.223131][ T533] should_fail+0x3c0/0x510 [ 54.227549][ T533] ? __kernfs_new_node+0x99/0x6e0 [ 54.232672][ T533] __should_failslab+0x9f/0xe0 [ 54.237445][ T533] should_failslab+0x9/0x20 [ 54.241948][ T533] __kmalloc_track_caller+0x5f/0x350 [ 54.247226][ T533] kstrdup_const+0x55/0x90 [ 54.251740][ T533] __kernfs_new_node+0x99/0x6e0 [ 54.256663][ T533] ? is_module_text_address+0xe1/0x140 [ 54.262113][ T533] ? kernfs_new_node+0x170/0x170 [ 54.267071][ T533] ? ptr_to_hashval+0x60/0x60 [ 54.271735][ T533] ? arch_stack_walk+0xf8/0x140 [ 54.276700][ T533] ? snprintf+0xd6/0x120 [ 54.281368][ T533] kernfs_new_node+0x97/0x170 [ 54.286132][ T533] __kernfs_create_file+0x4a/0x270 [ 54.291412][ T533] cgroup_addrm_files+0xab8/0xfe0 [ 54.296516][ T533] ? ____kasan_kmalloc+0xdc/0x110 [ 54.301533][ T533] ? __kasan_kmalloc+0x9/0x10 [ 54.306309][ T533] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 54.311861][ T533] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 54.317996][ T533] ? delete_node+0x759/0x7b0 [ 54.322567][ T533] ? __kasan_check_read+0x11/0x20 [ 54.327568][ T533] ? delete_node+0x759/0x7b0 [ 54.337543][ T533] ? __kasan_check_write+0x14/0x20 [ 54.342730][ T533] ? idr_replace+0x1c4/0x230 [ 54.347300][ T533] ? idr_get_next+0x4b0/0x4b0 [ 54.351952][ T533] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 54.356960][ T533] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 54.362141][ T533] css_populate_dir+0x137/0x370 [ 54.367063][ T533] cgroup_apply_control_enable+0x8b9/0x12f0 [ 54.372937][ T533] cgroup_apply_control+0x93/0x710 [ 54.378036][ T533] ? css_next_child+0x160/0x160 [ 54.382884][ T533] ? set_next_entity+0xc5/0x390 [ 54.387728][ T533] ? io_schedule+0x120/0x120 [ 54.392294][ T533] ? kernfs_fop_write_iter+0x15e/0x410 [ 54.397816][ T533] ? __kasan_check_write+0x14/0x20 [ 54.402919][ T533] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 54.408213][ T533] cgroup_subtree_control_write+0xd19/0x1310 [ 54.414324][ T533] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.420492][ T533] ? __kasan_check_write+0x14/0x20 [ 54.425691][ T533] ? _copy_from_iter+0x3fb/0xd60 [ 54.430625][ T533] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.436811][ T533] cgroup_file_write+0x28e/0x590 [ 54.441738][ T533] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.446928][ T533] ? mutex_lock+0xa6/0x110 [ 54.451345][ T533] ? mutex_trylock+0xb0/0xb0 [ 54.456012][ T533] ? __kasan_check_write+0x14/0x20 [ 54.461132][ T533] kernfs_fop_write_iter+0x2d0/0x410 [ 54.466405][ T533] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.471858][ T533] vfs_write+0xc1c/0xf40 [ 54.476397][ T533] ? kernel_write+0x3c0/0x3c0 [ 54.481177][ T533] ? mutex_trylock+0xb0/0xb0 [ 54.486027][ T533] ? __fdget_pos+0x26d/0x310 [ 54.490700][ T533] ? ksys_write+0x77/0x2c0 [ 54.495197][ T533] ksys_write+0x198/0x2c0 [ 54.499532][ T533] ? __ia32_sys_read+0x90/0x90 [ 54.504285][ T533] ? debug_smp_processor_id+0x17/0x20 [ 54.509681][ T533] __x64_sys_write+0x7b/0x90 [ 54.514742][ T533] do_syscall_64+0x34/0x70 [ 54.519366][ T533] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.525306][ T533] RIP: 0033:0x7f3ecd0f30e9 [ 54.529818][ T533] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.549974][ T533] RSP: 002b:00007f3ecd048168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.558535][ T533] RAX: ffffffffffffffda RBX: 00007f3ecd206030 RCX: 00007f3ecd0f30e9 [ 54.569204][ T533] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.577715][ T533] RBP: 00007f3ecd0481d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.589071][ T533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.597904][ T533] R13: 00007ffd241f85cf R14: 00007f3ecd048300 R15: 0000000000022000 [ 54.606582][ T533] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.613955][ T533] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 54.644803][ T44] !!!! css_release enqueue(ffff8881130c1400) [ 54.651149][ T44] !!!! css_release enqueue(ffff8881130c2400) [ 54.658182][ T5] !!!! css_release enqueue(ffff8881130c2800) [ 54.665534][ T514] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 54.666199][ T523] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 54.672430][ T526] FAULT_INJECTION: forcing a failure. [ 54.672430][ T526] name failslab, interval 1, probability 0, space 0, times 0 [ 54.693102][ T526] CPU: 1 PID: 526 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 54.705132][ T526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.715480][ T526] Call Trace: [ 54.718771][ T526] dump_stack_lvl+0x1e2/0x24b [ 54.723626][ T526] ? bfq_pos_tree_add_move+0x43e/0x43e [ 54.729251][ T526] ? selinux_kernfs_init_security+0x1a8/0x760 [ 54.735420][ T526] dump_stack+0x15/0x17 [ 54.739758][ T526] should_fail+0x3c0/0x510 [ 54.744303][ T526] ? __kernfs_new_node+0x99/0x6e0 [ 54.749341][ T526] __should_failslab+0x9f/0xe0 [ 54.754374][ T526] should_failslab+0x9/0x20 [ 54.758873][ T526] __kmalloc_track_caller+0x5f/0x350 [ 54.764165][ T526] kstrdup_const+0x55/0x90 [ 54.768598][ T526] __kernfs_new_node+0x99/0x6e0 [ 54.773538][ T526] ? is_module_text_address+0xe1/0x140 [ 54.781503][ T526] ? kernfs_new_node+0x170/0x170 [ 54.786776][ T526] ? ptr_to_hashval+0x60/0x60 [ 54.791888][ T526] ? arch_stack_walk+0xf8/0x140 [ 54.796879][ T526] ? snprintf+0xd6/0x120 [ 54.801230][ T526] kernfs_new_node+0x97/0x170 [ 54.805901][ T526] __kernfs_create_file+0x4a/0x270 [ 54.811010][ T526] cgroup_addrm_files+0xab8/0xfe0 [ 54.816131][ T526] ? ____kasan_kmalloc+0xdc/0x110 [ 54.821206][ T526] ? __kasan_kmalloc+0x9/0x10 [ 54.825983][ T526] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 54.831698][ T526] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 54.837861][ T526] ? delete_node+0x759/0x7b0 [ 54.842469][ T526] ? __kasan_check_read+0x11/0x20 [ 54.847484][ T526] ? delete_node+0x759/0x7b0 [ 54.852073][ T526] ? __kasan_check_write+0x14/0x20 [ 54.857203][ T526] ? idr_replace+0x1c4/0x230 [ 54.861802][ T526] ? idr_get_next+0x4b0/0x4b0 [ 54.866464][ T526] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 54.871560][ T526] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 54.876741][ T526] css_populate_dir+0x137/0x370 [ 54.881604][ T526] cgroup_apply_control_enable+0x8b9/0x12f0 [ 54.887478][ T526] cgroup_apply_control+0x93/0x710 [ 54.892703][ T526] ? css_next_child+0x160/0x160 [ 54.897577][ T526] ? set_next_entity+0xc5/0x390 [ 54.902644][ T526] ? io_schedule+0x120/0x120 [ 54.907227][ T526] ? kernfs_fop_write_iter+0x15e/0x410 [ 54.912872][ T526] ? __kasan_check_write+0x14/0x20 [ 54.918167][ T526] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 54.923467][ T526] cgroup_subtree_control_write+0xd19/0x1310 [ 54.929463][ T526] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.935439][ T526] ? __kasan_check_write+0x14/0x20 [ 54.940626][ T526] ? _copy_from_iter+0x3fb/0xd60 [ 54.945553][ T526] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.951619][ T526] cgroup_file_write+0x28e/0x590 [ 54.956739][ T526] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.961837][ T526] ? mutex_lock+0xa6/0x110 [ 54.966235][ T526] ? mutex_trylock+0xb0/0xb0 [ 54.970822][ T526] ? __kasan_check_write+0x14/0x20 [ 54.976018][ T526] kernfs_fop_write_iter+0x2d0/0x410 [ 54.981302][ T526] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.986440][ T526] vfs_write+0xc1c/0xf40 [ 54.990679][ T526] ? kernel_write+0x3c0/0x3c0 [ 54.995395][ T526] ? mutex_trylock+0xb0/0xb0 [ 54.999984][ T526] ? __fdget_pos+0x26d/0x310 [ 55.004647][ T526] ? ksys_write+0x77/0x2c0 [ 55.009059][ T526] ksys_write+0x198/0x2c0 [ 55.013379][ T526] ? __ia32_sys_read+0x90/0x90 [ 55.018139][ T526] ? debug_smp_processor_id+0x17/0x20 [ 55.023515][ T526] __x64_sys_write+0x7b/0x90 [ 55.028207][ T526] do_syscall_64+0x34/0x70 [ 55.032732][ T526] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.038620][ T526] RIP: 0033:0x7f1da03cf0e9 [ 55.043988][ T526] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.063737][ T526] RSP: 002b:00007f1da0324168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.072164][ T526] RAX: ffffffffffffffda RBX: 00007f1da04e2030 RCX: 00007f1da03cf0e9 [ 55.080127][ T526] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.088097][ T526] RBP: 00007f1da03241d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.096066][ T526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.104025][ T526] R13: 00007fff4531b15f R14: 00007f1da0324300 R15: 0000000000022000 [ 55.112385][ T526] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.119720][ T526] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 55.144763][ T108] !!!! css_release enqueue(ffff888113133800) [ 55.150869][ T108] !!!! css_release enqueue(ffff888113131800) [ 55.157437][ T108] !!!! css_release enqueue(ffff888113130800) [ 55.163660][ T530] FAULT_INJECTION: forcing a failure. [ 55.163660][ T530] name failslab, interval 1, probability 0, space 0, times 0 [ 55.176427][ T530] CPU: 1 PID: 530 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 55.188772][ T530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.198822][ T530] Call Trace: [ 55.202100][ T530] dump_stack_lvl+0x1e2/0x24b [ 55.206762][ T530] ? panic+0x7d7/0x7d7 [ 55.210852][ T530] ? bfq_pos_tree_add_move+0x43e/0x43e [ 55.216297][ T530] ? find_next_bit+0xd6/0x120 [ 55.220993][ T530] ? cpumask_next+0x11/0x30 [ 55.225491][ T530] dump_stack+0x15/0x17 [ 55.229648][ T530] should_fail+0x3c0/0x510 [ 55.234041][ T530] ? percpu_ref_init+0xd0/0x330 [ 55.238878][ T530] __should_failslab+0x9f/0xe0 [ 55.243630][ T530] should_failslab+0x9/0x20 [ 55.248124][ T530] kmem_cache_alloc_trace+0x3a/0x330 [ 55.253385][ T530] percpu_ref_init+0xd0/0x330 [ 55.258063][ T530] ? cgroup_setup_root+0xea0/0xea0 [ 55.263163][ T530] cgroup_apply_control_enable+0x3a2/0x12f0 [ 55.269050][ T530] cgroup_apply_control+0x93/0x710 [ 55.274374][ T530] ? css_next_child+0x160/0x160 [ 55.279338][ T530] ? io_schedule+0x120/0x120 [ 55.284042][ T530] ? kernfs_fop_write_iter+0x15e/0x410 [ 55.289713][ T530] ? __kasan_check_write+0x14/0x20 [ 55.295100][ T530] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 55.300549][ T530] cgroup_subtree_control_write+0xd19/0x1310 [ 55.306663][ T530] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.312731][ T530] ? __kasan_check_write+0x14/0x20 [ 55.317839][ T530] ? _copy_from_iter+0x3fb/0xd60 [ 55.322758][ T530] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.328736][ T530] cgroup_file_write+0x28e/0x590 [ 55.333783][ T530] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.339198][ T530] ? mutex_lock+0xa6/0x110 [ 55.343969][ T530] ? mutex_trylock+0xb0/0xb0 [ 55.348597][ T530] ? __kasan_check_write+0x14/0x20 [ 55.353797][ T530] kernfs_fop_write_iter+0x2d0/0x410 [ 55.359172][ T530] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.364367][ T530] vfs_write+0xc1c/0xf40 [ 55.368591][ T530] ? kernel_write+0x3c0/0x3c0 [ 55.373266][ T530] ? mutex_trylock+0xb0/0xb0 [ 55.377847][ T530] ? __fdget_pos+0x26d/0x310 [ 55.382456][ T530] ? ksys_write+0x77/0x2c0 [ 55.386953][ T530] ksys_write+0x198/0x2c0 [ 55.391279][ T530] ? __ia32_sys_read+0x90/0x90 [ 55.396186][ T530] ? debug_smp_processor_id+0x17/0x20 [ 55.401807][ T530] __x64_sys_write+0x7b/0x90 [ 55.406382][ T530] do_syscall_64+0x34/0x70 [ 55.411064][ T530] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.416937][ T530] RIP: 0033:0x7fb7352300e9 [ 55.421337][ T530] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.441229][ T530] RSP: 002b:00007fb735185168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.449731][ T530] RAX: ffffffffffffffda RBX: 00007fb735343030 RCX: 00007fb7352300e9 [ 55.458031][ T530] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.466200][ T530] RBP: 00007fb7351851d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.474465][ T530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.482426][ T530] R13: 00007ffe95ec32cf R14: 00007fb735185300 R15: 0000000000022000 [ 55.490861][ T530] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 55.514891][ T5] !!!! css_release enqueue(ffff888113131c00) [ 55.521157][ T5] !!!! css_release enqueue(ffff888113130000) [ 55.527667][ T527] FAULT_INJECTION: forcing a failure. [ 55.527667][ T527] name failslab, interval 1, probability 0, space 0, times 0 [ 55.534912][ T544] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 55.540587][ T527] CPU: 1 PID: 527 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 55.558805][ T527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.568944][ T527] Call Trace: [ 55.572233][ T527] dump_stack_lvl+0x1e2/0x24b [ 55.576894][ T527] ? panic+0x7d7/0x7d7 [ 55.580965][ T527] ? bfq_pos_tree_add_move+0x43e/0x43e [ 55.586432][ T527] ? find_next_bit+0xd6/0x120 [ 55.591094][ T527] ? cpumask_next+0x11/0x30 [ 55.595611][ T527] dump_stack+0x15/0x17 [ 55.599781][ T527] should_fail+0x3c0/0x510 [ 55.604185][ T527] ? percpu_ref_init+0xd0/0x330 [ 55.609087][ T527] __should_failslab+0x9f/0xe0 [ 55.613973][ T527] should_failslab+0x9/0x20 [ 55.618478][ T527] kmem_cache_alloc_trace+0x3a/0x330 [ 55.623754][ T527] percpu_ref_init+0xd0/0x330 [ 55.628420][ T527] ? cgroup_setup_root+0xea0/0xea0 [ 55.633544][ T527] cgroup_apply_control_enable+0x3a2/0x12f0 [ 55.639467][ T527] cgroup_apply_control+0x93/0x710 [ 55.644572][ T527] ? css_next_child+0x160/0x160 [ 55.649419][ T527] ? set_next_entity+0xc5/0x390 [ 55.654273][ T527] ? io_schedule+0x120/0x120 [ 55.658850][ T527] ? kernfs_fop_write_iter+0x15e/0x410 [ 55.664390][ T527] ? __kasan_check_write+0x14/0x20 [ 55.669586][ T527] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 55.674857][ T527] cgroup_subtree_control_write+0xd19/0x1310 [ 55.681020][ T527] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.687071][ T527] ? __kasan_check_write+0x14/0x20 [ 55.692183][ T527] ? _copy_from_iter+0x3fb/0xd60 [ 55.697232][ T527] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.703219][ T527] cgroup_file_write+0x28e/0x590 [ 55.708407][ T527] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.713502][ T527] ? mutex_lock+0xa6/0x110 [ 55.717942][ T527] ? mutex_trylock+0xb0/0xb0 [ 55.722560][ T527] ? __kasan_check_write+0x14/0x20 [ 55.727684][ T527] kernfs_fop_write_iter+0x2d0/0x410 [ 55.732958][ T527] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.738059][ T527] vfs_write+0xc1c/0xf40 [ 55.742296][ T527] ? kernel_write+0x3c0/0x3c0 [ 55.746964][ T527] ? mutex_trylock+0xb0/0xb0 [ 55.751544][ T527] ? __fdget_pos+0x26d/0x310 [ 55.756246][ T527] ? ksys_write+0x77/0x2c0 [ 55.760689][ T527] ksys_write+0x198/0x2c0 [ 55.765111][ T527] ? __ia32_sys_read+0x90/0x90 [ 55.769954][ T527] ? debug_smp_processor_id+0x17/0x20 [ 55.775613][ T527] __x64_sys_write+0x7b/0x90 [ 55.780410][ T527] do_syscall_64+0x34/0x70 [ 55.784834][ T527] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.790808][ T527] RIP: 0033:0x7fbcee5610e9 [ 55.795327][ T527] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.815323][ T527] RSP: 002b:00007fbcee4b6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.823818][ T527] RAX: ffffffffffffffda RBX: 00007fbcee674030 RCX: 00007fbcee5610e9 [ 55.831798][ T527] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.839752][ T527] RBP: 00007fbcee4b61d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.847875][ T527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.855926][ T527] R13: 00007ffcf7f183cf R14: 00007fbcee4b6300 R15: 0000000000022000 [ 55.864365][ T527] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 55.904888][ T5] !!!! css_release enqueue(ffff88811329f800) [ 55.911390][ T5] !!!! css_release enqueue(ffff88811329d800) [ 55.917836][ T535] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 55.918030][ T541] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 55.924701][ T515] FAULT_INJECTION: forcing a failure. [ 55.924701][ T515] name failslab, interval 1, probability 0, space 0, times 0 [ 55.931099][ T546] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 55.944345][ T515] CPU: 1 PID: 515 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 55.962005][ T515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.972137][ T515] Call Trace: [ 55.975415][ T515] dump_stack_lvl+0x1e2/0x24b [ 55.980093][ T515] ? bfq_pos_tree_add_move+0x43e/0x43e [ 55.985564][ T515] ? selinux_kernfs_init_security+0x1a8/0x760 [ 55.991621][ T515] dump_stack+0x15/0x17 [ 55.995874][ T515] should_fail+0x3c0/0x510 [ 56.000283][ T515] ? __kernfs_new_node+0x99/0x6e0 [ 56.005296][ T515] __should_failslab+0x9f/0xe0 [ 56.010046][ T515] should_failslab+0x9/0x20 [ 56.014535][ T515] __kmalloc_track_caller+0x5f/0x350 [ 56.019822][ T515] kstrdup_const+0x55/0x90 [ 56.024233][ T515] __kernfs_new_node+0x99/0x6e0 [ 56.029073][ T515] ? is_module_text_address+0xe1/0x140 [ 56.034519][ T515] ? kernfs_new_node+0x170/0x170 [ 56.039443][ T515] ? ptr_to_hashval+0x60/0x60 [ 56.044104][ T515] ? arch_stack_walk+0xf8/0x140 [ 56.048942][ T515] ? snprintf+0xd6/0x120 [ 56.053190][ T515] kernfs_new_node+0x97/0x170 [ 56.057934][ T515] __kernfs_create_file+0x4a/0x270 [ 56.063038][ T515] cgroup_addrm_files+0xab8/0xfe0 [ 56.068073][ T515] ? ____kasan_kmalloc+0xdc/0x110 [ 56.073087][ T515] ? __kasan_kmalloc+0x9/0x10 [ 56.077757][ T515] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 56.083291][ T515] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 56.089446][ T515] ? delete_node+0x759/0x7b0 [ 56.094067][ T515] ? __kasan_check_read+0x11/0x20 [ 56.099078][ T515] ? delete_node+0x759/0x7b0 [ 56.104215][ T515] ? __kasan_check_write+0x14/0x20 [ 56.109496][ T515] ? idr_replace+0x1c4/0x230 [ 56.114783][ T515] ? idr_get_next+0x4b0/0x4b0 [ 56.119586][ T515] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 56.124610][ T515] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 56.131037][ T515] css_populate_dir+0x137/0x370 [ 56.135918][ T515] cgroup_apply_control_enable+0x8b9/0x12f0 [ 56.141951][ T515] cgroup_apply_control+0x93/0x710 [ 56.147075][ T515] ? css_next_child+0x160/0x160 [ 56.152111][ T515] ? dequeue_task_fair+0x7ad/0xb50 [ 56.157405][ T515] ? io_schedule+0x120/0x120 [ 56.162174][ T515] ? kernfs_fop_write_iter+0x15e/0x410 [ 56.167815][ T515] ? __kasan_check_write+0x14/0x20 [ 56.173026][ T515] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 56.178400][ T515] cgroup_subtree_control_write+0xd19/0x1310 [ 56.184391][ T515] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 56.190585][ T515] ? __kasan_check_write+0x14/0x20 [ 56.196003][ T515] ? _copy_from_iter+0x3fb/0xd60 [ 56.200938][ T515] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 56.206918][ T515] cgroup_file_write+0x28e/0x590 [ 56.212043][ T515] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.217573][ T515] ? mutex_lock+0xa6/0x110 [ 56.222010][ T515] ? mutex_trylock+0xb0/0xb0 [ 56.226621][ T515] ? __kasan_check_write+0x14/0x20 [ 56.231966][ T515] kernfs_fop_write_iter+0x2d0/0x410 [ 56.237258][ T515] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.242372][ T515] vfs_write+0xc1c/0xf40 [ 56.246747][ T515] ? kernel_write+0x3c0/0x3c0 [ 56.251411][ T515] ? mutex_trylock+0xb0/0xb0 [ 56.256014][ T515] ? __fdget_pos+0x26d/0x310 [ 56.260610][ T515] ? ksys_write+0x77/0x2c0 [ 56.265151][ T515] ksys_write+0x198/0x2c0 [ 56.269491][ T515] ? __ia32_sys_read+0x90/0x90 [ 56.274259][ T515] ? debug_smp_processor_id+0x17/0x20 [ 56.279617][ T515] __x64_sys_write+0x7b/0x90 [ 56.284192][ T515] do_syscall_64+0x34/0x70 [ 56.288601][ T515] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.294598][ T515] RIP: 0033:0x7f0eb6d100e9 [ 56.299014][ T515] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.319138][ T515] RSP: 002b:00007f0eb6c65168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.327987][ T515] RAX: ffffffffffffffda RBX: 00007f0eb6e23030 RCX: 00007f0eb6d100e9 [ 56.336047][ T515] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.344033][ T515] RBP: 00007f0eb6c651d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.352098][ T515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.360337][ T515] R13: 00007fff2d30895f R14: 00007f0eb6c65300 R15: 0000000000022000 [ 56.369076][ T515] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 56.372142][ T23] audit: type=1400 audit(1654544974.310:161): avc: denied { unlink } for pid=142 comm="syslogd" name="messages.0" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 56.376690][ T515] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 56.414756][ T24] !!!! css_release enqueue(ffff8881134e7400) [ 56.420941][ T24] !!!! css_release enqueue(ffff8881134e4400) [ 56.427432][ T24] !!!! css_release enqueue(ffff8881134e4c00) [ 56.434060][ T538] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 56.434938][ T544] FAULT_INJECTION: forcing a failure. [ 56.434938][ T544] name failslab, interval 1, probability 0, space 0, times 0 [ 56.453283][ T544] CPU: 0 PID: 544 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 56.464813][ T544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.474855][ T544] Call Trace: [ 56.478135][ T544] dump_stack_lvl+0x1e2/0x24b [ 56.482867][ T544] ? panic+0x7d7/0x7d7 [ 56.486937][ T544] ? bfq_pos_tree_add_move+0x43e/0x43e [ 56.492490][ T544] ? find_next_bit+0xd6/0x120 [ 56.497161][ T544] ? cpumask_next+0x11/0x30 [ 56.501667][ T544] dump_stack+0x15/0x17 [ 56.505929][ T544] should_fail+0x3c0/0x510 [ 56.510427][ T544] ? percpu_ref_init+0xd0/0x330 [ 56.515274][ T544] __should_failslab+0x9f/0xe0 [ 56.520225][ T544] should_failslab+0x9/0x20 [ 56.524810][ T544] kmem_cache_alloc_trace+0x3a/0x330 [ 56.530090][ T544] percpu_ref_init+0xd0/0x330 [ 56.534845][ T544] ? cgroup_setup_root+0xea0/0xea0 [ 56.539953][ T544] cgroup_apply_control_enable+0x3a2/0x12f0 [ 56.545834][ T544] cgroup_apply_control+0x93/0x710 [ 56.551153][ T544] ? css_next_child+0x160/0x160 [ 56.555996][ T544] ? io_schedule+0x120/0x120 [ 56.560768][ T544] ? kernfs_fop_write_iter+0x15e/0x410 [ 56.566355][ T544] ? __kasan_check_write+0x14/0x20 [ 56.571478][ T544] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 56.576756][ T544] cgroup_subtree_control_write+0xd19/0x1310 [ 56.582746][ T544] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 56.588812][ T544] ? __kasan_check_write+0x14/0x20 [ 56.594012][ T544] ? _copy_from_iter+0x3fb/0xd60 [ 56.599053][ T544] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 56.605145][ T544] cgroup_file_write+0x28e/0x590 [ 56.610178][ T544] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.615276][ T544] ? mutex_lock+0xa6/0x110 [ 56.620255][ T544] ? mutex_trylock+0xb0/0xb0 [ 56.624921][ T544] ? __kasan_check_write+0x14/0x20 [ 56.630143][ T544] kernfs_fop_write_iter+0x2d0/0x410 [ 56.635432][ T544] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.640670][ T544] vfs_write+0xc1c/0xf40 [ 56.644912][ T544] ? kernel_write+0x3c0/0x3c0 [ 56.649592][ T544] ? mutex_trylock+0xb0/0xb0 [ 56.654177][ T544] ? __fdget_pos+0x26d/0x310 [ 56.658802][ T544] ? ksys_write+0x77/0x2c0 [ 56.663211][ T544] ksys_write+0x198/0x2c0 [ 56.667556][ T544] ? __ia32_sys_read+0x90/0x90 [ 56.672308][ T544] ? debug_smp_processor_id+0x17/0x20 [ 56.677944][ T544] __x64_sys_write+0x7b/0x90 [ 56.682579][ T544] do_syscall_64+0x34/0x70 [ 56.687085][ T544] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.693223][ T544] RIP: 0033:0x7fb7352300e9 [ 56.697715][ T544] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.717611][ T544] RSP: 002b:00007fb7351a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.726100][ T544] RAX: ffffffffffffffda RBX: 00007fb735342f60 RCX: 00007fb7352300e9 [ 56.734053][ T544] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.742036][ T544] RBP: 00007fb7351a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.749996][ T544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.758039][ T544] R13: 00007ffe95ec32cf R14: 00007fb7351a6300 R15: 0000000000022000 [ 56.766499][ T544] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 56.814856][ T5] !!!! css_release enqueue(ffff8881132d2c00) [ 56.821309][ T5] !!!! css_release enqueue(ffff8881136e8400) [ 56.828038][ T536] FAULT_INJECTION: forcing a failure. [ 56.828038][ T536] name failslab, interval 1, probability 0, space 0, times 0 [ 56.840731][ T536] CPU: 1 PID: 536 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 56.852540][ T536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.862696][ T536] Call Trace: [ 56.866089][ T536] dump_stack_lvl+0x1e2/0x24b [ 56.870866][ T536] ? bfq_pos_tree_add_move+0x43e/0x43e [ 56.876327][ T536] ? selinux_kernfs_init_security+0x1a8/0x760 [ 56.882403][ T536] dump_stack+0x15/0x17 [ 56.886557][ T536] should_fail+0x3c0/0x510 [ 56.890977][ T536] ? __kernfs_new_node+0x99/0x6e0 [ 56.896103][ T536] __should_failslab+0x9f/0xe0 [ 56.900875][ T536] should_failslab+0x9/0x20 [ 56.905370][ T536] __kmalloc_track_caller+0x5f/0x350 [ 56.911049][ T536] kstrdup_const+0x55/0x90 [ 56.915458][ T536] __kernfs_new_node+0x99/0x6e0 [ 56.920308][ T536] ? is_module_text_address+0xe1/0x140 [ 56.925855][ T536] ? kernfs_new_node+0x170/0x170 [ 56.930793][ T536] ? ptr_to_hashval+0x60/0x60 [ 56.935458][ T536] ? arch_stack_walk+0xf8/0x140 [ 56.940303][ T536] ? snprintf+0xd6/0x120 [ 56.944537][ T536] kernfs_new_node+0x97/0x170 [ 56.949214][ T536] __kernfs_create_file+0x4a/0x270 [ 56.954306][ T536] cgroup_addrm_files+0xab8/0xfe0 [ 56.959311][ T536] ? ____kasan_kmalloc+0xdc/0x110 [ 56.964326][ T536] ? __kasan_kmalloc+0x9/0x10 [ 56.968992][ T536] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 56.974522][ T536] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 56.980685][ T536] ? delete_node+0x759/0x7b0 [ 56.985602][ T536] ? __kasan_check_read+0x11/0x20 [ 56.990603][ T536] ? delete_node+0x759/0x7b0 [ 56.995174][ T536] ? __kasan_check_write+0x14/0x20 [ 57.000283][ T536] ? idr_replace+0x1c4/0x230 [ 57.004861][ T536] ? idr_get_next+0x4b0/0x4b0 [ 57.009516][ T536] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 57.015303][ T536] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 57.020571][ T536] css_populate_dir+0x137/0x370 [ 57.025411][ T536] cgroup_apply_control_enable+0x8b9/0x12f0 [ 57.031283][ T536] cgroup_apply_control+0x93/0x710 [ 57.036372][ T536] ? css_next_child+0x160/0x160 [ 57.041305][ T536] ? dequeue_task_fair+0x7ad/0xb50 [ 57.046398][ T536] ? io_schedule+0x120/0x120 [ 57.051063][ T536] ? kernfs_fop_write_iter+0x15e/0x410 [ 57.056585][ T536] ? __kasan_check_write+0x14/0x20 [ 57.061760][ T536] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 57.067036][ T536] cgroup_subtree_control_write+0xd19/0x1310 [ 57.073091][ T536] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.079248][ T536] ? __kasan_check_write+0x14/0x20 [ 57.084341][ T536] ? _copy_from_iter+0x3fb/0xd60 [ 57.089273][ T536] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.095231][ T536] cgroup_file_write+0x28e/0x590 [ 57.100157][ T536] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.105250][ T536] ? mutex_lock+0xa6/0x110 [ 57.109737][ T536] ? mutex_trylock+0xb0/0xb0 [ 57.114309][ T536] ? __kasan_check_write+0x14/0x20 [ 57.119421][ T536] kernfs_fop_write_iter+0x2d0/0x410 [ 57.124709][ T536] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.129888][ T536] vfs_write+0xc1c/0xf40 [ 57.134113][ T536] ? kernel_write+0x3c0/0x3c0 [ 57.138772][ T536] ? mutex_trylock+0xb0/0xb0 [ 57.143393][ T536] ? __fdget_pos+0x26d/0x310 [ 57.148156][ T536] ? ksys_write+0x77/0x2c0 [ 57.152591][ T536] ksys_write+0x198/0x2c0 [ 57.156929][ T536] ? __ia32_sys_read+0x90/0x90 [ 57.161732][ T536] ? debug_smp_processor_id+0x17/0x20 [ 57.167111][ T536] __x64_sys_write+0x7b/0x90 [ 57.171726][ T536] do_syscall_64+0x34/0x70 [ 57.176143][ T536] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.182025][ T536] RIP: 0033:0x7fb54eff20e9 [ 57.186422][ T536] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.206181][ T536] RSP: 002b:00007fb54ef47168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.214837][ T536] RAX: ffffffffffffffda RBX: 00007fb54f105030 RCX: 00007fb54eff20e9 [ 57.223191][ T536] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.231245][ T536] RBP: 00007fb54ef471d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.239207][ T536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.247259][ T536] R13: 00007fff5c3f39af R14: 00007fb54ef47300 R15: 0000000000022000 [ 57.257157][ T536] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.265229][ T536] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 57.294882][ T5] !!!! css_release enqueue(ffff888113693800) [ 57.301122][ T5] !!!! css_release enqueue(ffff888113691800) [ 57.307579][ T5] !!!! css_release enqueue(ffff888113690800) [ 57.315383][ T542] FAULT_INJECTION: forcing a failure. [ 57.315383][ T542] name failslab, interval 1, probability 0, space 0, times 0 [ 57.328535][ T542] CPU: 1 PID: 542 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 57.340076][ T542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.350122][ T542] Call Trace: [ 57.353417][ T542] dump_stack_lvl+0x1e2/0x24b [ 57.358351][ T542] ? bfq_pos_tree_add_move+0x43e/0x43e [ 57.363931][ T542] dump_stack+0x15/0x17 [ 57.368204][ T542] should_fail+0x3c0/0x510 [ 57.372733][ T542] ? pids_css_alloc+0x4e/0x120 [ 57.377495][ T542] __should_failslab+0x9f/0xe0 [ 57.382248][ T542] should_failslab+0x9/0x20 [ 57.386734][ T542] kmem_cache_alloc_trace+0x3a/0x330 [ 57.392002][ T542] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 57.397374][ T542] pids_css_alloc+0x4e/0x120 [ 57.401993][ T542] cgroup_apply_control_enable+0x350/0x12f0 [ 57.407973][ T542] cgroup_apply_control+0x93/0x710 [ 57.413062][ T542] ? css_next_child+0x160/0x160 [ 57.417891][ T542] ? set_next_entity+0xc5/0x390 [ 57.422742][ T542] ? io_schedule+0x120/0x120 [ 57.427318][ T542] ? kernfs_fop_write_iter+0x15e/0x410 [ 57.432857][ T542] ? __kasan_check_write+0x14/0x20 [ 57.437963][ T542] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 57.443414][ T542] cgroup_subtree_control_write+0xd19/0x1310 [ 57.449369][ T542] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.455323][ T542] ? __kasan_check_write+0x14/0x20 [ 57.460533][ T542] ? _copy_from_iter+0x3fb/0xd60 [ 57.465442][ T542] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.471393][ T542] cgroup_file_write+0x28e/0x590 [ 57.476306][ T542] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.481389][ T542] ? mutex_lock+0xa6/0x110 [ 57.485780][ T542] ? mutex_trylock+0xb0/0xb0 [ 57.490342][ T542] ? __kasan_check_write+0x14/0x20 [ 57.495566][ T542] kernfs_fop_write_iter+0x2d0/0x410 [ 57.500865][ T542] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.505980][ T542] vfs_write+0xc1c/0xf40 [ 57.510209][ T542] ? kernel_write+0x3c0/0x3c0 [ 57.514921][ T542] ? mutex_trylock+0xb0/0xb0 [ 57.519507][ T542] ? __fdget_pos+0x26d/0x310 [ 57.524102][ T542] ? ksys_write+0x77/0x2c0 [ 57.528623][ T542] ksys_write+0x198/0x2c0 [ 57.532941][ T542] ? __ia32_sys_read+0x90/0x90 [ 57.537812][ T542] ? debug_smp_processor_id+0x17/0x20 [ 57.543521][ T542] __x64_sys_write+0x7b/0x90 [ 57.548178][ T542] do_syscall_64+0x34/0x70 [ 57.552594][ T542] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.558460][ T542] RIP: 0033:0x7f1da03cf0e9 [ 57.562850][ T542] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.582518][ T542] RSP: 002b:00007f1da0324168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.590938][ T542] RAX: ffffffffffffffda RBX: 00007f1da04e2030 RCX: 00007f1da03cf0e9 [ 57.598884][ T542] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.606830][ T542] RBP: 00007f1da03241d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.614785][ T542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.623248][ T542] R13: 00007fff4531b15f R14: 00007f1da0324300 R15: 0000000000022000 [ 57.632607][ T542] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 57.664775][ T108] !!!! css_release enqueue(ffff888111377000) [ 57.671126][ T108] !!!! css_release enqueue(ffff888111376c00) [ 57.677672][ T558] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 57.677888][ T549] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 57.685217][ T558] FAULT_INJECTION: forcing a failure. [ 57.685217][ T558] name failslab, interval 1, probability 0, space 0, times 0 [ 57.703732][ T558] CPU: 0 PID: 558 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 57.715273][ T558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.725345][ T558] Call Trace: [ 57.728619][ T558] dump_stack_lvl+0x1e2/0x24b [ 57.733297][ T558] ? panic+0x7d7/0x7d7 [ 57.737349][ T558] ? bfq_pos_tree_add_move+0x43e/0x43e [ 57.742785][ T558] ? find_next_bit+0xd6/0x120 [ 57.747609][ T558] ? cpumask_next+0x11/0x30 [ 57.752113][ T558] dump_stack+0x15/0x17 [ 57.756530][ T558] should_fail+0x3c0/0x510 [ 57.760984][ T558] ? percpu_ref_init+0xd0/0x330 [ 57.765822][ T558] __should_failslab+0x9f/0xe0 [ 57.770636][ T558] should_failslab+0x9/0x20 [ 57.775167][ T558] kmem_cache_alloc_trace+0x3a/0x330 [ 57.780621][ T558] percpu_ref_init+0xd0/0x330 [ 57.785556][ T558] ? cgroup_setup_root+0xea0/0xea0 [ 57.790762][ T558] cgroup_apply_control_enable+0x3a2/0x12f0 [ 57.796654][ T558] cgroup_apply_control+0x93/0x710 [ 57.801763][ T558] ? css_next_child+0x160/0x160 [ 57.806595][ T558] ? io_schedule+0x120/0x120 [ 57.811252][ T558] ? kernfs_fop_write_iter+0x15e/0x410 [ 57.816698][ T558] ? __kasan_check_write+0x14/0x20 [ 57.821791][ T558] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 57.827057][ T558] cgroup_subtree_control_write+0xd19/0x1310 [ 57.833473][ T558] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.839432][ T558] ? __kasan_check_write+0x14/0x20 [ 57.844537][ T558] ? _copy_from_iter+0x3fb/0xd60 [ 57.849458][ T558] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.855607][ T558] cgroup_file_write+0x28e/0x590 [ 57.860523][ T558] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.865615][ T558] ? mutex_lock+0xa6/0x110 [ 57.870011][ T558] ? mutex_trylock+0xb0/0xb0 [ 57.874581][ T558] ? __kasan_check_write+0x14/0x20 [ 57.879701][ T558] kernfs_fop_write_iter+0x2d0/0x410 [ 57.885056][ T558] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.890166][ T558] vfs_write+0xc1c/0xf40 [ 57.894392][ T558] ? kernel_write+0x3c0/0x3c0 [ 57.899067][ T558] ? mutex_trylock+0xb0/0xb0 [ 57.903816][ T558] ? __fdget_pos+0x26d/0x310 [ 57.908409][ T558] ? ksys_write+0x77/0x2c0 [ 57.913010][ T558] ksys_write+0x198/0x2c0 [ 57.917321][ T558] ? __ia32_sys_read+0x90/0x90 [ 57.922090][ T558] ? debug_smp_processor_id+0x17/0x20 [ 57.927442][ T558] __x64_sys_write+0x7b/0x90 [ 57.932016][ T558] do_syscall_64+0x34/0x70 [ 57.936576][ T558] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.942460][ T558] RIP: 0033:0x7f1da03cf0e9 [ 57.946861][ T558] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.966544][ T558] RSP: 002b:00007f1da0345168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.974980][ T558] RAX: ffffffffffffffda RBX: 00007f1da04e1f60 RCX: 00007f1da03cf0e9 [ 57.982930][ T558] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.991004][ T558] RBP: 00007f1da03451d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.998979][ T558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.007026][ T558] R13: 00007fff4531b15f R14: 00007f1da0345300 R15: 0000000000022000 [ 58.015671][ T558] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 58.054902][ T5] !!!! css_release enqueue(ffff888113779000) [ 58.061099][ T5] !!!! css_release enqueue(ffff888113779400) [ 58.067454][ T560] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 58.067825][ T550] FAULT_INJECTION: forcing a failure. [ 58.067825][ T550] name failslab, interval 1, probability 0, space 0, times 0 [ 58.087070][ T550] CPU: 1 PID: 550 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 58.098765][ T550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.108807][ T550] Call Trace: [ 58.112103][ T550] dump_stack_lvl+0x1e2/0x24b [ 58.116773][ T550] ? bfq_pos_tree_add_move+0x43e/0x43e [ 58.122356][ T550] ? selinux_kernfs_init_security+0x1a8/0x760 [ 58.128527][ T550] dump_stack+0x15/0x17 [ 58.132698][ T550] should_fail+0x3c0/0x510 [ 58.137102][ T550] ? __kernfs_new_node+0x99/0x6e0 [ 58.142114][ T550] __should_failslab+0x9f/0xe0 [ 58.146962][ T550] should_failslab+0x9/0x20 [ 58.151497][ T550] __kmalloc_track_caller+0x5f/0x350 [ 58.156809][ T550] kstrdup_const+0x55/0x90 [ 58.161226][ T550] __kernfs_new_node+0x99/0x6e0 [ 58.166161][ T550] ? is_module_text_address+0xe1/0x140 [ 58.171626][ T550] ? kernfs_new_node+0x170/0x170 [ 58.176565][ T550] ? ptr_to_hashval+0x60/0x60 [ 58.181225][ T550] ? arch_stack_walk+0xf8/0x140 [ 58.186071][ T550] ? snprintf+0xd6/0x120 [ 58.190296][ T550] kernfs_new_node+0x97/0x170 [ 58.194958][ T550] __kernfs_create_file+0x4a/0x270 [ 58.200149][ T550] cgroup_addrm_files+0xab8/0xfe0 [ 58.205153][ T550] ? ____kasan_kmalloc+0xdc/0x110 [ 58.210168][ T550] ? __kasan_kmalloc+0x9/0x10 [ 58.215575][ T550] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 58.221382][ T550] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 58.227530][ T550] ? delete_node+0x759/0x7b0 [ 58.232115][ T550] ? __kasan_check_read+0x11/0x20 [ 58.237125][ T550] ? delete_node+0x759/0x7b0 [ 58.241695][ T550] ? __kasan_check_write+0x14/0x20 [ 58.246872][ T550] ? idr_replace+0x1c4/0x230 [ 58.251440][ T550] ? idr_get_next+0x4b0/0x4b0 [ 58.256095][ T550] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 58.261099][ T550] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 58.266292][ T550] css_populate_dir+0x137/0x370 [ 58.271141][ T550] cgroup_apply_control_enable+0x8b9/0x12f0 [ 58.277027][ T550] cgroup_apply_control+0x93/0x710 [ 58.282132][ T550] ? css_next_child+0x160/0x160 [ 58.286977][ T550] ? set_next_entity+0xc5/0x390 [ 58.291817][ T550] ? io_schedule+0x120/0x120 [ 58.296399][ T550] ? kernfs_fop_write_iter+0x15e/0x410 [ 58.301834][ T550] ? __kasan_check_write+0x14/0x20 [ 58.306926][ T550] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 58.312353][ T550] cgroup_subtree_control_write+0xd19/0x1310 [ 58.318434][ T550] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 58.324426][ T550] ? __kasan_check_write+0x14/0x20 [ 58.329624][ T550] ? _copy_from_iter+0x3fb/0xd60 [ 58.334656][ T550] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 58.340761][ T550] cgroup_file_write+0x28e/0x590 [ 58.345867][ T550] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.350969][ T550] ? mutex_lock+0xa6/0x110 [ 58.355377][ T550] ? mutex_trylock+0xb0/0xb0 [ 58.359955][ T550] ? __kasan_check_write+0x14/0x20 [ 58.365221][ T550] kernfs_fop_write_iter+0x2d0/0x410 [ 58.370493][ T550] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.375597][ T550] vfs_write+0xc1c/0xf40 [ 58.379840][ T550] ? kernel_write+0x3c0/0x3c0 [ 58.384513][ T550] ? mutex_trylock+0xb0/0xb0 [ 58.389187][ T550] ? __fdget_pos+0x26d/0x310 [ 58.393862][ T550] ? ksys_write+0x77/0x2c0 [ 58.398526][ T550] ksys_write+0x198/0x2c0 [ 58.402860][ T550] ? __ia32_sys_read+0x90/0x90 [ 58.407603][ T550] ? debug_smp_processor_id+0x17/0x20 [ 58.413083][ T550] __x64_sys_write+0x7b/0x90 [ 58.417666][ T550] do_syscall_64+0x34/0x70 [ 58.422087][ T550] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.427972][ T550] RIP: 0033:0x7f0eb6d100e9 [ 58.432372][ T550] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.452272][ T550] RSP: 002b:00007f0eb6c65168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.460790][ T550] RAX: ffffffffffffffda RBX: 00007f0eb6e23030 RCX: 00007f0eb6d100e9 2022/06/06 19:49:36 executed programs: 47 [ 58.468874][ T550] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.476839][ T550] RBP: 00007f0eb6c651d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.485177][ T550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.493164][ T550] R13: 00007fff2d30895f R14: 00007f0eb6c65300 R15: 0000000000022000 [ 58.502772][ T550] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 58.510065][ T550] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 58.518661][ T410] ------------[ cut here ]------------ [ 58.524326][ T410] WARNING: CPU: 0 PID: 410 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 58.533291][ T410] Modules linked in: [ 58.537251][ T410] CPU: 0 PID: 410 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 58.548811][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.558990][ T410] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 58.564658][ T410] Code: 48 c7 c2 40 04 04 86 e8 74 f4 8e ff e9 8b fc ff ff e8 da 2d b6 ff e9 81 fc ff ff e8 d0 2d b6 ff e9 77 fc ff ff e8 c6 2d b6 ff <0f> 0b e9 f4 fc ff ff e8 ba 2d b6 ff e8 75 b9 a2 ff e9 ea fc ff ff [ 58.584354][ T410] RSP: 0018:ffffc90000cd7ba0 EFLAGS: 00010293 [ 58.590460][ T410] RAX: ffffffff81b68b3a RBX: 00000000ffffffff RCX: ffff88810b4c2780 [ 58.598447][ T410] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 58.606521][ T410] RBP: ffffc90000cd7c70 R08: ffffffff81b68828 R09: 0000000000000003 [ 58.614670][ T410] R10: fffff5200019af65 R11: 1ffff9200019af64 R12: dffffc0000000000 [ 58.622755][ T410] R13: ffff88811204f6c0 R14: ffffc90000cd7c00 R15: 1ffff9200019af7c [ 58.630767][ T410] FS: 0000555555d45400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 58.639854][ T410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.646470][ T410] CR2: 0000555555d4eb38 CR3: 000000010cc8a000 CR4: 00000000003506b0 [ 58.654466][ T410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.662638][ T410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.670634][ T410] Call Trace: [ 58.673947][ T410] ? io_schedule+0x120/0x120 [ 58.678553][ T410] ? vfs_submount+0xb0/0xb0 [ 58.684009][ T410] ? shrink_dentry_list+0x4ec/0x500 [ 58.689327][ T410] namespace_unlock+0x448/0x4f0 [ 58.694173][ T410] ? umount_tree+0xf50/0xf50 [ 58.698779][ T410] ? __detach_mounts+0x670/0x670 [ 58.703726][ T410] ? selinux_umount+0xf0/0x130 [ 58.708523][ T410] path_umount+0xf03/0xfb0 [ 58.712938][ T410] ? namespace_unlock+0x4f0/0x4f0 [ 58.718008][ T410] ? user_path_at_empty+0x40/0x50 [ 58.723072][ T410] __x64_sys_umount+0x122/0x170 [ 58.728038][ T410] ? path_umount+0xfb0/0xfb0 [ 58.732643][ T410] ? debug_smp_processor_id+0x17/0x20 [ 58.738057][ T410] do_syscall_64+0x34/0x70 [ 58.742488][ T410] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.748545][ T410] RIP: 0033:0x7f0eb6d11557 [ 58.752961][ T410] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.772643][ T410] RSP: 002b:00007fff2d307ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 58.781189][ T410] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0eb6d11557 [ 58.789468][ T410] RDX: 00007fff2d307b89 RSI: 000000000000000a RDI: 00007fff2d307b80 [ 58.797560][ T410] RBP: 00007fff2d307b80 R08: 00000000ffffffff R09: 00007fff2d307950 [ 58.805554][ T410] R10: 0000555555d46ba3 R11: 0000000000000246 R12: 00007f0eb6d691f8 [ 58.813541][ T410] R13: 00007fff2d308c40 R14: 0000555555d46b00 R15: 00007fff2d308c80 [ 58.821552][ T410] ---[ end trace 6452452abc7e60d5 ]--- [ 58.827138][ T410] ------------[ cut here ]------------ [ 58.832643][ T410] WARNING: CPU: 1 PID: 410 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 58.841665][ T410] Modules linked in: [ 58.845635][ T410] CPU: 1 PID: 410 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 58.857197][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.867300][ T410] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 58.872932][ T410] Code: 48 c7 c2 40 04 04 86 e8 74 f4 8e ff e9 8b fc ff ff e8 da 2d b6 ff e9 81 fc ff ff e8 d0 2d b6 ff e9 77 fc ff ff e8 c6 2d b6 ff <0f> 0b e9 f4 fc ff ff e8 ba 2d b6 ff e8 75 b9 a2 ff e9 ea fc ff ff [ 58.892663][ T410] RSP: 0018:ffffc90000cd7ca0 EFLAGS: 00010293 [ 58.898781][ T410] RAX: ffffffff81b68b3a RBX: 00000000fffffffe RCX: ffff88810b4c2780 [ 58.906810][ T410] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 58.914808][ T410] RBP: ffffc90000cd7d70 R08: ffffffff81b68828 R09: 0000000000000003 [ 58.922764][ T410] R10: fffff5200019af85 R11: 1ffff9200019af84 R12: dffffc0000000000 [ 58.930858][ T410] R13: ffff88811204f6c0 R14: ffffc90000cd7d00 R15: 1ffff9200019af9c [ 58.938959][ T410] FS: 0000555555d45400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 58.947905][ T410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.954490][ T410] CR2: 00007f1da0455e69 CR3: 000000010cc8a000 CR4: 00000000003506a0 [ 58.962600][ T410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.970707][ T410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.978705][ T410] Call Trace: [ 58.982091][ T410] ? lockref_get_or_lock+0x340/0x340 [ 58.987432][ T410] ? umount_tree+0xf50/0xf50 [ 58.992109][ T410] ? vfs_submount+0xb0/0xb0 [ 58.996721][ T410] ? dput+0x2b6/0x320 [ 59.000688][ T410] path_umount+0x1fe/0xfb0 [ 59.005128][ T410] ? namespace_unlock+0x4f0/0x4f0 [ 59.010157][ T410] ? user_path_at_empty+0x40/0x50 [ 59.015216][ T410] __x64_sys_umount+0x122/0x170 [ 59.020092][ T410] ? path_umount+0xfb0/0xfb0 [ 59.024732][ T410] ? debug_smp_processor_id+0x17/0x20 [ 59.030098][ T410] do_syscall_64+0x34/0x70 [ 59.034722][ T410] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.040604][ T410] RIP: 0033:0x7f0eb6d11557 [ 59.045042][ T410] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 59.064755][ T410] RSP: 002b:00007fff2d307ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 59.073161][ T410] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0eb6d11557 [ 59.081233][ T410] RDX: 00007fff2d307b89 RSI: 000000000000000a RDI: 00007fff2d307b80 [ 59.089256][ T410] RBP: 00007fff2d307b80 R08: 00000000ffffffff R09: 00007fff2d307950 [ 59.097330][ T410] R10: 0000555555d46ba3 R11: 0000000000000246 R12: 00007f0eb6d691f8 [ 59.105312][ T410] R13: 00007fff2d308c40 R14: 0000555555d46b00 R15: 00007fff2d308c80 [ 59.113268][ T410] ---[ end trace 6452452abc7e60d6 ]--- [ 59.118894][ T24] !!!! css_release enqueue(ffff888113c7a000) [ 59.129393][ T108] !!!! css_release enqueue(ffff888113c7a800) [ 59.136053][ T108] !!!! css_release enqueue(ffff888113c7a400) [ 59.142466][ T552] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 59.142634][ T539] FAULT_INJECTION: forcing a failure. [ 59.142634][ T539] name failslab, interval 1, probability 0, space 0, times 0 [ 59.162228][ T539] CPU: 1 PID: 539 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 59.173844][ T539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.184235][ T539] Call Trace: [ 59.187609][ T539] dump_stack_lvl+0x1e2/0x24b [ 59.192361][ T539] ? panic+0x7d7/0x7d7 [ 59.196420][ T539] ? bfq_pos_tree_add_move+0x43e/0x43e [ 59.201872][ T539] ? find_next_bit+0xd6/0x120 [ 59.206542][ T539] ? cpumask_next+0x11/0x30 [ 59.211039][ T539] dump_stack+0x15/0x17 [ 59.215216][ T539] should_fail+0x3c0/0x510 [ 59.219734][ T539] ? percpu_ref_init+0xd0/0x330 [ 59.224572][ T539] __should_failslab+0x9f/0xe0 [ 59.229321][ T539] should_failslab+0x9/0x20 [ 59.233823][ T539] kmem_cache_alloc_trace+0x3a/0x330 [ 59.239096][ T539] percpu_ref_init+0xd0/0x330 [ 59.244379][ T539] ? cgroup_setup_root+0xea0/0xea0 [ 59.250054][ T539] cgroup_apply_control_enable+0x3a2/0x12f0 [ 59.255983][ T539] cgroup_apply_control+0x93/0x710 [ 59.261159][ T539] ? css_next_child+0x160/0x160 [ 59.266089][ T539] ? dequeue_task_fair+0x7ad/0xb50 [ 59.271272][ T539] ? io_schedule+0x120/0x120 [ 59.275842][ T539] ? kernfs_fop_write_iter+0x15e/0x410 [ 59.281291][ T539] ? __kasan_check_write+0x14/0x20 [ 59.286562][ T539] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 59.291835][ T539] cgroup_subtree_control_write+0xd19/0x1310 [ 59.297988][ T539] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 59.303948][ T539] ? __kasan_check_write+0x14/0x20 [ 59.309124][ T539] ? _copy_from_iter+0x3fb/0xd60 [ 59.314200][ T539] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 59.320544][ T539] cgroup_file_write+0x28e/0x590 [ 59.325507][ T539] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.330698][ T539] ? mutex_lock+0xa6/0x110 [ 59.335106][ T539] ? mutex_trylock+0xb0/0xb0 [ 59.339904][ T539] ? __kasan_check_write+0x14/0x20 [ 59.345037][ T539] kernfs_fop_write_iter+0x2d0/0x410 [ 59.350414][ T539] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.355510][ T539] vfs_write+0xc1c/0xf40 [ 59.359747][ T539] ? kernel_write+0x3c0/0x3c0 [ 59.364409][ T539] ? mutex_trylock+0xb0/0xb0 [ 59.369002][ T539] ? __fdget_pos+0x26d/0x310 [ 59.373588][ T539] ? ksys_write+0x77/0x2c0 [ 59.378049][ T539] ksys_write+0x198/0x2c0 [ 59.382567][ T539] ? __ia32_sys_read+0x90/0x90 [ 59.387324][ T539] ? debug_smp_processor_id+0x17/0x20 [ 59.392738][ T539] __x64_sys_write+0x7b/0x90 [ 59.398017][ T539] do_syscall_64+0x34/0x70 [ 59.402440][ T539] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.408317][ T539] RIP: 0033:0x7f3ecd0f30e9 [ 59.412724][ T539] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 59.432489][ T539] RSP: 002b:00007f3ecd048168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.440895][ T539] RAX: ffffffffffffffda RBX: 00007f3ecd206030 RCX: 00007f3ecd0f30e9 [ 59.448852][ T539] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.456847][ T539] RBP: 00007f3ecd0481d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.464901][ T539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.473057][ T539] R13: 00007ffd241f85cf R14: 00007f3ecd048300 R15: 0000000000022000 [ 59.481326][ T539] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 59.504721][ C1] !!!! css_release enqueue(ffff888113db6400) [ 59.510873][ C1] list_add corruption. prev->next should be next (ffff8881f735c060), but was ffff888113db6470. (prev=ffff888113db6470). [ 59.523510][ C1] ------------[ cut here ]------------ [ 59.528964][ C1] kernel BUG at lib/list_debug.c:28! [ 59.534329][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 59.540393][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 5.10.110-syzkaller-00174-g2bcb85208c67 #0 [ 59.551302][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.561376][ C1] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 59.566816][ C1] Code: 48 c7 c7 80 dc 43 85 4c 89 e6 4c 89 f1 31 c0 e8 8d 10 40 02 0f 0b 48 c7 c7 40 dd 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 [ 59.586588][ C1] RSP: 0018:ffffc90000160a00 EFLAGS: 00010046 [ 59.592654][ C1] RAX: 0000000000000075 RBX: ffff8881f735c068 RCX: 958566e80b1a5a00 [ 59.600636][ C1] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 59.608790][ C1] RBP: ffffc90000160a28 R08: ffffffff8153b2f8 R09: ffffed103ee64e83 [ 59.616876][ C1] R10: ffffed103ee64e83 R11: 1ffff1103ee64e82 R12: ffff888113db6470 [ 59.624856][ C1] R13: dffffc0000000000 R14: ffff8881f735c060 R15: ffff888113db6470 [ 59.633518][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 59.642625][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.649197][ C1] CR2: 00007f3ecd206028 CR3: 000000011c4a0000 CR4: 00000000003506a0 [ 59.657251][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.665226][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.673207][ C1] Call Trace: [ 59.676495][ C1] [ 59.679360][ C1] insert_work+0x107/0x330 [ 59.683807][ C1] __queue_work+0x971/0xd30 [ 59.690237][ C1] queue_work_on+0xf2/0x150 [ 59.694727][ C1] ? wq_worker_last_func+0x50/0x50 [ 59.699821][ C1] ? __alloc_reserved_percpu+0x30/0x30 [ 59.705271][ C1] css_release+0xdc/0x100 [ 59.709584][ C1] percpu_ref_switch_to_atomic_rcu+0x5a2/0x5b0 [ 59.715740][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 59.721885][ C1] rcu_do_batch+0x4f8/0xbc0 [ 59.726363][ C1] ? local_bh_enable+0x20/0x20 [ 59.731103][ C1] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 59.736539][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 59.742322][ C1] ? rcu_report_qs_rnp+0x2e0/0x3b0 [ 59.747410][ C1] rcu_core+0x59b/0xe30 [ 59.751543][ C1] ? rcu_cpu_kthread_park+0x90/0x90 [ 59.756732][ C1] rcu_core_si+0x9/0x10 [ 59.760878][ C1] __do_softirq+0x27e/0x596 [ 59.765533][ C1] asm_call_irq_on_stack+0xf/0x20 [ 59.770627][ C1] [ 59.773582][ C1] do_softirq_own_stack+0x60/0x80 [ 59.778613][ C1] __irq_exit_rcu+0x128/0x150 [ 59.783291][ C1] irq_exit_rcu+0x9/0x10 [ 59.787543][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 59.793162][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 59.799144][ C1] RIP: 0010:acpi_idle_do_entry+0xbb/0x1f0 [ 59.804872][ C1] Code: 89 de 48 83 e6 08 31 ff e8 92 c9 d9 fc 48 83 e3 08 0f 85 ae 00 00 00 e9 0c 00 00 00 e8 5e c4 d9 fc 0f 00 2d d7 d9 b7 00 fb f4 e9 a1 00 00 00 49 83 c6 04 4c 89 f0 48 c1 e8 03 42 8a 04 38 84 [ 59.824466][ C1] RSP: 0018:ffffc900000f7c48 EFLAGS: 00000246 [ 59.830608][ C1] RAX: 1ffff110200509e0 RBX: 0000000000000000 RCX: 0000000000000000 [ 59.838606][ C1] RDX: ffff888100284f00 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.846579][ C1] RBP: ffffc900000f7c60 R08: ffffffff8492f48e R09: ffffed10200509e1 [ 59.854548][ C1] R10: ffffed10200509e1 R11: 1ffff110200509e0 R12: 0000000000000001 [ 59.863195][ C1] R13: ffff888103d92004 R14: ffff888105fc4064 R15: dffffc0000000000 [ 59.871156][ C1] ? acpi_idle_do_entry+0x9e/0x1f0 [ 59.876247][ C1] ? acpi_idle_do_entry+0x9e/0x1f0 [ 59.881343][ C1] acpi_idle_enter+0x32d/0x4f0 [ 59.886149][ C1] ? rcu_dynticks_eqs_enter+0xa/0x40 [ 59.891411][ C1] ? acpi_idle_lpi_enter+0xe0/0xe0 [ 59.896497][ C1] cpuidle_enter_state+0x5d0/0x14a0 [ 59.901675][ C1] ? cpuidle_enter_s2idle+0x610/0x610 [ 59.907022][ C1] ? menu_enable_device+0x370/0x370 [ 59.912288][ C1] ? rcu_nocb_flush_deferred_wakeup+0x67/0x2f0 [ 59.918419][ C1] ? sched_clock_cpu+0x1b/0x3b0 [ 59.923260][ C1] cpuidle_enter+0x5f/0xa0 [ 59.927740][ C1] do_idle+0x369/0x5d0 [ 59.931878][ C1] ? idle_inject_timer_fn+0x60/0x60 [ 59.937052][ C1] cpu_startup_entry+0x25/0x30 [ 59.941792][ C1] start_secondary+0xd7/0xe0 [ 59.946368][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 59.952245][ C1] Modules linked in: [ 59.956126][ C1] ---[ end trace 6452452abc7e60d7 ]--- [ 59.961658][ C1] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 59.967092][ C1] Code: 48 c7 c7 80 dc 43 85 4c 89 e6 4c 89 f1 31 c0 e8 8d 10 40 02 0f 0b 48 c7 c7 40 dd 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 [ 59.986675][ C1] RSP: 0018:ffffc90000160a00 EFLAGS: 00010046 [ 59.992723][ C1] RAX: 0000000000000075 RBX: ffff8881f735c068 RCX: 958566e80b1a5a00 [ 60.000672][ C1] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 60.008720][ C1] RBP: ffffc90000160a28 R08: ffffffff8153b2f8 R09: ffffed103ee64e83 [ 60.017222][ C1] R10: ffffed103ee64e83 R11: 1ffff1103ee64e82 R12: ffff888113db6470 [ 60.025171][ C1] R13: dffffc0000000000 R14: ffff8881f735c060 R15: ffff888113db6470 [ 60.033209][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 60.042122][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.048786][ C1] CR2: 00007f3ecd206028 CR3: 000000011c4a0000 CR4: 00000000003506a0 [ 60.056737][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.064776][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.072726][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 60.080244][ C1] Kernel Offset: disabled [ 60.084642][ C1] Rebooting in 86400 seconds..