Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. 2022/05/12 18:58:41 parsed 1 programs [ 36.860481][ T23] audit: type=1400 audit(1652381921.049:148): avc: denied { mounton } for pid=403 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 36.860813][ T403] cgroup: Unknown subsys name 'net' [ 36.889616][ T403] cgroup: Unknown subsys name 'devices' [ 36.896332][ T403] cgroup: Unknown subsys name 'hugetlb' [ 36.902084][ T403] cgroup: Unknown subsys name 'rlimit' 2022/05/12 18:58:41 executed programs: 0 [ 36.908317][ T23] audit: type=1400 audit(1652381921.099:149): avc: denied { mounton } for pid=403 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 36.933209][ T23] audit: type=1400 audit(1652381921.099:150): avc: denied { mount } for pid=403 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 36.969583][ T23] audit: type=1400 audit(1652381921.159:151): avc: denied { mounton } for pid=411 comm="syz-executor.2" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 37.017316][ T23] audit: type=1400 audit(1652381921.189:152): avc: denied { module_request } for pid=411 comm="syz-executor.2" kmod="netdev-nr2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 37.129277][ T414] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.136906][ T414] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.144401][ T414] device bridge_slave_0 entered promiscuous mode [ 37.152484][ T414] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.159894][ T414] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.167405][ T414] device bridge_slave_1 entered promiscuous mode [ 37.174041][ T411] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.181052][ T411] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.188576][ T411] device bridge_slave_0 entered promiscuous mode [ 37.196503][ T411] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.203527][ T411] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.210992][ T411] device bridge_slave_1 entered promiscuous mode [ 37.228920][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.236099][ T413] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.244320][ T413] device bridge_slave_0 entered promiscuous mode [ 37.264488][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.271736][ T413] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.279209][ T413] device bridge_slave_1 entered promiscuous mode [ 37.305917][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.312964][ T418] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.320469][ T418] device bridge_slave_0 entered promiscuous mode [ 37.339932][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.347246][ T418] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.354705][ T418] device bridge_slave_1 entered promiscuous mode [ 37.407079][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.414446][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.422152][ T417] device bridge_slave_0 entered promiscuous mode [ 37.431504][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.438689][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.446126][ T417] device bridge_slave_1 entered promiscuous mode [ 37.469016][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.476102][ T420] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.483366][ T420] device bridge_slave_0 entered promiscuous mode [ 37.490629][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.497805][ T420] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.505234][ T420] device bridge_slave_1 entered promiscuous mode [ 37.529678][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.536766][ T413] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.544051][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.551063][ T413] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.587803][ T411] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.594863][ T411] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.602066][ T411] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.609110][ T411] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.626760][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.633825][ T418] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.641059][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.648080][ T418] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.657793][ T414] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.665001][ T414] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.672384][ T414] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.679705][ T414] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.715644][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.722719][ T420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.729962][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.736977][ T420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.763732][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.771178][ T379] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.779521][ T379] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.787055][ T379] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.794327][ T379] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.801475][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.809774][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.818335][ T379] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.825572][ T379] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.832851][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.841240][ T379] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.848444][ T379] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.873793][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.881944][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.890312][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.898551][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.906134][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.914249][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.921244][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.928626][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.936747][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.943766][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.951020][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.958919][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.966765][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.974864][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.981867][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.989167][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.997277][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.004299][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.011656][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.019582][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.043891][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.051292][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.059240][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.067972][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.076017][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.084437][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.091440][ T377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.110467][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.123831][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.132032][ T108] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.139088][ T108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.146594][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.155283][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.163479][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.171349][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.209090][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.217716][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.227521][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.235816][ T108] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.242912][ T108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.250389][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.258604][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.267038][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.274810][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.282534][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.290803][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.298882][ T108] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.305897][ T108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.313160][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.321240][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.329122][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.337132][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.345073][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.353022][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.361020][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.369037][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.377174][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.385367][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.393545][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.400950][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.408496][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.416773][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.424855][ T108] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.431869][ T108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.439313][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.447558][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.455818][ T108] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.462825][ T108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.470180][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.478238][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.486501][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.494646][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.502834][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.511049][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.519345][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.530121][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.538613][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.557701][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.566019][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.574112][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.581871][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.589981][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.598011][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.606204][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.614474][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.622557][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.646948][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.656017][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.665493][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.673858][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.682136][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.690707][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.699017][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.707272][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.715898][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.724243][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.732269][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.740797][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.748853][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.757021][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.773939][ T23] audit: type=1400 audit(1652381922.959:153): avc: denied { mount } for pid=411 comm="syz-executor.2" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 38.800093][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.811063][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.819504][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.827628][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.835871][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.844232][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.876220][ T23] audit: type=1400 audit(1652381923.069:154): avc: denied { mounton } for pid=440 comm="syz-executor.1" path="/root/syzkaller-testdir2720856951/syzkaller.clgeW8/0/file0" dev="sda1" ino=1162 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 38.904872][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.913185][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.924495][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.933432][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.944218][ T447] FAULT_INJECTION: forcing a failure. [ 38.944218][ T447] name failslab, interval 1, probability 0, space 0, times 1 [ 38.959602][ T447] CPU: 0 PID: 447 Comm: syz-executor.3 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 38.969835][ T447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.979870][ T447] Call Trace: [ 38.983148][ T447] dump_stack_lvl+0x1e2/0x24b [ 38.987800][ T447] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.994930][ T447] ? selinux_kernfs_init_security+0x1a8/0x760 [ 39.000976][ T447] dump_stack+0x15/0x17 [ 39.005117][ T447] should_fail+0x3c0/0x510 [ 39.009516][ T447] ? __kernfs_new_node+0x99/0x6e0 [ 39.014602][ T447] __should_failslab+0x9f/0xe0 [ 39.019343][ T447] should_failslab+0x9/0x20 [ 39.023832][ T447] __kmalloc_track_caller+0x5f/0x350 [ 39.029100][ T447] kstrdup_const+0x55/0x90 [ 39.033491][ T447] __kernfs_new_node+0x99/0x6e0 [ 39.038318][ T447] ? is_module_text_address+0xe1/0x140 [ 39.043770][ T447] ? kernfs_new_node+0x170/0x170 [ 39.048690][ T447] ? ptr_to_hashval+0x60/0x60 [ 39.053496][ T447] ? arch_stack_walk+0xf8/0x140 [ 39.059162][ T447] ? snprintf+0xd6/0x120 [ 39.063394][ T447] kernfs_new_node+0x97/0x170 [ 39.068061][ T447] __kernfs_create_file+0x4a/0x270 [ 39.073149][ T447] cgroup_addrm_files+0xab8/0xfe0 [ 39.078158][ T447] ? ____kasan_kmalloc+0xdc/0x110 [ 39.083172][ T447] ? __kasan_kmalloc+0x9/0x10 [ 39.087836][ T447] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 39.093795][ T447] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 39.099925][ T447] ? delete_node+0x759/0x7b0 [ 39.104494][ T447] ? __kasan_check_read+0x11/0x20 [ 39.109588][ T447] ? delete_node+0x759/0x7b0 [ 39.114168][ T447] ? __kasan_check_write+0x14/0x20 [ 39.119267][ T447] ? idr_replace+0x1c4/0x230 [ 39.123832][ T447] ? idr_get_next+0x4b0/0x4b0 [ 39.128515][ T447] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 39.133599][ T447] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 39.138778][ T447] css_populate_dir+0x137/0x370 [ 39.143605][ T447] cgroup_apply_control_enable+0x8b9/0x12f0 [ 39.149473][ T447] cgroup_apply_control+0x93/0x710 [ 39.154557][ T447] ? css_next_child+0x160/0x160 [ 39.159380][ T447] ? io_schedule+0x120/0x120 [ 39.163941][ T447] ? kernfs_fop_write_iter+0x15e/0x410 [ 39.169372][ T447] ? __kasan_check_write+0x14/0x20 [ 39.174461][ T447] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 39.179718][ T447] cgroup_subtree_control_write+0xd19/0x1310 [ 39.185673][ T447] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 39.191641][ T447] ? __kasan_check_write+0x14/0x20 [ 39.196730][ T447] ? _copy_from_iter+0x3fb/0xd60 [ 39.201640][ T447] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 39.207764][ T447] cgroup_file_write+0x28e/0x590 [ 39.212672][ T447] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.217759][ T447] ? mutex_lock+0xa6/0x110 [ 39.222146][ T447] ? mutex_trylock+0xb0/0xb0 [ 39.226719][ T447] ? __kasan_check_write+0x14/0x20 [ 39.231821][ T447] kernfs_fop_write_iter+0x2d0/0x410 [ 39.237165][ T447] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.242249][ T447] vfs_write+0xc1c/0xf40 [ 39.246561][ T447] ? kernel_write+0x3c0/0x3c0 [ 39.251210][ T447] ? mutex_trylock+0xb0/0xb0 [ 39.255776][ T447] ? __fdget_pos+0x26d/0x310 [ 39.260341][ T447] ? ksys_write+0x77/0x2c0 [ 39.264734][ T447] ksys_write+0x198/0x2c0 [ 39.269032][ T447] ? __ia32_sys_read+0x90/0x90 [ 39.273774][ T447] ? debug_smp_processor_id+0x17/0x20 [ 39.279122][ T447] __x64_sys_write+0x7b/0x90 [ 39.283695][ T447] do_syscall_64+0x34/0x70 [ 39.288099][ T447] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.293974][ T447] RIP: 0033:0x7f0c8cc490e9 [ 39.298369][ T447] 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 [ 39.317952][ T447] RSP: 002b:00007f0c8cbbf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.326341][ T447] RAX: ffffffffffffffda RBX: 00007f0c8cd5bf60 RCX: 00007f0c8cc490e9 [ 39.334373][ T447] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.342498][ T447] RBP: 00007f0c8cbbf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.350454][ T447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.358407][ T447] R13: 00007fff3e26826f R14: 00007f0c8cbbf300 R15: 0000000000022000 [ 39.367152][ T447] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 39.404351][ T442] FAULT_INJECTION: forcing a failure. [ 39.404351][ T442] name failslab, interval 1, probability 0, space 0, times 0 [ 39.417140][ T442] CPU: 1 PID: 442 Comm: syz-executor.1 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 39.427359][ T442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.437410][ T442] Call Trace: [ 39.440693][ T442] dump_stack_lvl+0x1e2/0x24b [ 39.445352][ T442] ? panic+0x7d7/0x7d7 [ 39.449394][ T442] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.454833][ T442] ? selinux_kernfs_init_security+0x1a8/0x760 [ 39.460920][ T442] dump_stack+0x15/0x17 [ 39.465049][ T442] should_fail+0x3c0/0x510 [ 39.469475][ T442] __should_failslab+0x9f/0xe0 [ 39.474227][ T442] should_failslab+0x9/0x20 [ 39.478720][ T442] kmem_cache_alloc+0x3f/0x300 [ 39.483458][ T442] ? __kernfs_new_node+0xdb/0x6e0 [ 39.488455][ T442] __kernfs_new_node+0xdb/0x6e0 [ 39.493288][ T442] ? is_module_text_address+0xe1/0x140 [ 39.498718][ T442] ? kernfs_new_node+0x170/0x170 [ 39.503716][ T442] ? ptr_to_hashval+0x60/0x60 [ 39.508367][ T442] ? arch_stack_walk+0xf8/0x140 [ 39.513192][ T442] ? snprintf+0xd6/0x120 [ 39.517408][ T442] kernfs_new_node+0x97/0x170 [ 39.522058][ T442] __kernfs_create_file+0x4a/0x270 [ 39.527150][ T442] cgroup_addrm_files+0xab8/0xfe0 [ 39.532146][ T442] ? ____kasan_kmalloc+0xdc/0x110 [ 39.537140][ T442] ? __kasan_kmalloc+0x9/0x10 [ 39.541787][ T442] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 39.547302][ T442] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 39.553426][ T442] ? delete_node+0x759/0x7b0 [ 39.557997][ T442] ? __kasan_check_read+0x11/0x20 [ 39.562991][ T442] ? delete_node+0x759/0x7b0 [ 39.567600][ T442] ? __kasan_check_write+0x14/0x20 [ 39.572709][ T442] ? idr_replace+0x1c4/0x230 [ 39.577289][ T442] ? idr_get_next+0x4b0/0x4b0 [ 39.582032][ T442] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 39.587028][ T442] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 39.592216][ T442] css_populate_dir+0x137/0x370 [ 39.597044][ T442] cgroup_apply_control_enable+0x8b9/0x12f0 [ 39.602934][ T442] cgroup_apply_control+0x93/0x710 [ 39.608024][ T442] ? css_next_child+0x160/0x160 [ 39.613307][ T442] ? io_schedule+0x120/0x120 [ 39.618065][ T442] ? kernfs_fop_write_iter+0x15e/0x410 [ 39.623770][ T442] ? __kasan_check_write+0x14/0x20 [ 39.629302][ T442] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 39.634861][ T442] cgroup_subtree_control_write+0xd19/0x1310 [ 39.640941][ T442] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 39.646905][ T442] ? __kasan_check_write+0x14/0x20 [ 39.651998][ T442] ? _copy_from_iter+0x3fb/0xd60 [ 39.656920][ T442] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 39.662887][ T442] cgroup_file_write+0x28e/0x590 [ 39.667979][ T442] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.673086][ T442] ? mutex_lock+0xa6/0x110 [ 39.677517][ T442] ? mutex_trylock+0xb0/0xb0 [ 39.682110][ T442] ? __kasan_check_write+0x14/0x20 [ 39.687297][ T442] kernfs_fop_write_iter+0x2d0/0x410 [ 39.692579][ T442] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.697820][ T442] vfs_write+0xc1c/0xf40 [ 39.702075][ T442] ? kernel_write+0x3c0/0x3c0 [ 39.706741][ T442] ? mutex_trylock+0xb0/0xb0 [ 39.711335][ T442] ? __fdget_pos+0x26d/0x310 [ 39.715947][ T442] ? ksys_write+0x77/0x2c0 [ 39.720355][ T442] ksys_write+0x198/0x2c0 [ 39.724683][ T442] ? __ia32_sys_read+0x90/0x90 [ 39.729437][ T442] ? debug_smp_processor_id+0x17/0x20 [ 39.734797][ T442] __x64_sys_write+0x7b/0x90 [ 39.739374][ T442] do_syscall_64+0x34/0x70 [ 39.743772][ T442] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.749645][ T442] RIP: 0033:0x7ff0c67fe0e9 [ 39.754061][ T442] 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 [ 39.773737][ T442] RSP: 002b:00007ff0c6774168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.782133][ T442] RAX: ffffffffffffffda RBX: 00007ff0c6910f60 RCX: 00007ff0c67fe0e9 [ 39.790358][ T442] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.798318][ T442] RBP: 00007ff0c67741d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.806285][ T442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.814257][ T442] R13: 00007ffc9048adaf R14: 00007ff0c6774300 R15: 0000000000022000 [ 39.828026][ T23] audit: type=1400 audit(1652381924.019:155): 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 [ 39.828577][ T442] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 39.852761][ T23] audit: type=1400 audit(1652381924.019:156): 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 [ 39.880316][ T23] audit: type=1400 audit(1652381924.019:157): 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 [ 39.904787][ T454] FAULT_INJECTION: forcing a failure. [ 39.904787][ T454] name failslab, interval 1, probability 0, space 0, times 0 [ 39.921693][ T454] CPU: 1 PID: 454 Comm: syz-executor.2 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 39.931934][ T454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.941981][ T454] Call Trace: [ 39.945267][ T454] dump_stack_lvl+0x1e2/0x24b [ 39.949929][ T454] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.955376][ T454] ? selinux_kernfs_init_security+0x1a8/0x760 [ 39.961429][ T454] dump_stack+0x15/0x17 [ 39.965598][ T454] should_fail+0x3c0/0x510 [ 39.970368][ T454] ? __kernfs_new_node+0x99/0x6e0 [ 39.975394][ T454] __should_failslab+0x9f/0xe0 [ 39.980237][ T454] should_failslab+0x9/0x20 [ 39.984815][ T454] __kmalloc_track_caller+0x5f/0x350 [ 39.990262][ T454] kstrdup_const+0x55/0x90 [ 39.994670][ T454] __kernfs_new_node+0x99/0x6e0 [ 39.999508][ T454] ? is_module_text_address+0xe1/0x140 [ 40.004952][ T454] ? kernfs_new_node+0x170/0x170 [ 40.009958][ T454] ? ptr_to_hashval+0x60/0x60 [ 40.014617][ T454] ? arch_stack_walk+0xf8/0x140 [ 40.019450][ T454] ? snprintf+0xd6/0x120 [ 40.023677][ T454] kernfs_new_node+0x97/0x170 [ 40.028611][ T454] __kernfs_create_file+0x4a/0x270 [ 40.033729][ T454] cgroup_addrm_files+0xab8/0xfe0 [ 40.038743][ T454] ? ____kasan_kmalloc+0xdc/0x110 [ 40.043750][ T454] ? __kasan_kmalloc+0x9/0x10 [ 40.048430][ T454] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 40.054076][ T454] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 40.060216][ T454] ? delete_node+0x759/0x7b0 [ 40.065094][ T454] ? __kasan_check_read+0x11/0x20 [ 40.070205][ T454] ? delete_node+0x759/0x7b0 [ 40.074788][ T454] ? __kasan_check_write+0x14/0x20 [ 40.079885][ T454] ? idr_replace+0x1c4/0x230 [ 40.084472][ T454] ? idr_get_next+0x4b0/0x4b0 [ 40.089146][ T454] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 40.094877][ T454] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 40.100651][ T454] css_populate_dir+0x137/0x370 [ 40.105502][ T454] cgroup_apply_control_enable+0x8b9/0x12f0 [ 40.111399][ T454] cgroup_apply_control+0x93/0x710 [ 40.116496][ T454] ? css_next_child+0x160/0x160 [ 40.121330][ T454] ? io_schedule+0x120/0x120 [ 40.126118][ T454] ? kernfs_fop_write_iter+0x15e/0x410 [ 40.132009][ T454] ? __kasan_check_write+0x14/0x20 [ 40.137152][ T454] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 40.142432][ T454] cgroup_subtree_control_write+0xd19/0x1310 [ 40.148517][ T454] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.154505][ T454] ? __kasan_check_write+0x14/0x20 [ 40.159649][ T454] ? _copy_from_iter+0x3fb/0xd60 [ 40.164580][ T454] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.170544][ T454] cgroup_file_write+0x28e/0x590 [ 40.175567][ T454] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.180690][ T454] ? mutex_lock+0xa6/0x110 [ 40.185092][ T454] ? mutex_trylock+0xb0/0xb0 [ 40.189666][ T454] ? __kasan_check_write+0x14/0x20 [ 40.194765][ T454] kernfs_fop_write_iter+0x2d0/0x410 [ 40.200033][ T454] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.205162][ T454] vfs_write+0xc1c/0xf40 [ 40.209399][ T454] ? kernel_write+0x3c0/0x3c0 [ 40.214294][ T454] ? mutex_trylock+0xb0/0xb0 [ 40.219150][ T454] ? __fdget_pos+0x26d/0x310 [ 40.223744][ T454] ? ksys_write+0x77/0x2c0 [ 40.228149][ T454] ksys_write+0x198/0x2c0 [ 40.232466][ T454] ? __ia32_sys_read+0x90/0x90 [ 40.237230][ T454] ? debug_smp_processor_id+0x17/0x20 [ 40.242605][ T454] __x64_sys_write+0x7b/0x90 [ 40.247186][ T454] do_syscall_64+0x34/0x70 [ 40.251601][ T454] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.257914][ T454] RIP: 0033:0x7effca6dd0e9 [ 40.262571][ 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 [ 40.282258][ T454] RSP: 002b:00007effca632168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.290746][ T454] RAX: ffffffffffffffda RBX: 00007effca7f0030 RCX: 00007effca6dd0e9 [ 40.298792][ T454] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.306931][ T454] RBP: 00007effca6321d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.314992][ T454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.323017][ T454] R13: 00007ffd589e604f R14: 00007effca632300 R15: 0000000000022000 [ 40.339987][ T454] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.356316][ T461] FAULT_INJECTION: forcing a failure. [ 40.356316][ T461] name failslab, interval 1, probability 0, space 0, times 0 [ 40.369820][ T461] CPU: 0 PID: 461 Comm: syz-executor.4 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 40.380054][ T461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.390369][ T461] Call Trace: [ 40.393727][ T461] dump_stack_lvl+0x1e2/0x24b [ 40.398446][ T461] ? panic+0x7d7/0x7d7 [ 40.402803][ T461] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.408268][ T461] ? selinux_kernfs_init_security+0x1a8/0x760 [ 40.414660][ T461] dump_stack+0x15/0x17 [ 40.418901][ T461] should_fail+0x3c0/0x510 [ 40.423321][ T461] __should_failslab+0x9f/0xe0 [ 40.428074][ T461] should_failslab+0x9/0x20 [ 40.432916][ T461] kmem_cache_alloc+0x3f/0x300 [ 40.437771][ T461] ? __kernfs_new_node+0xdb/0x6e0 [ 40.442803][ T461] __kernfs_new_node+0xdb/0x6e0 [ 40.447645][ T461] ? is_module_text_address+0xe1/0x140 [ 40.453207][ T461] ? kernfs_new_node+0x170/0x170 [ 40.458173][ T461] ? ptr_to_hashval+0x60/0x60 [ 40.462878][ T461] ? arch_stack_walk+0xf8/0x140 [ 40.467998][ T461] ? snprintf+0xd6/0x120 [ 40.472395][ T461] kernfs_new_node+0x97/0x170 [ 40.477081][ T461] __kernfs_create_file+0x4a/0x270 [ 40.482192][ T461] cgroup_addrm_files+0xab8/0xfe0 [ 40.487227][ T461] ? ____kasan_kmalloc+0xdc/0x110 [ 40.492253][ T461] ? __kasan_kmalloc+0x9/0x10 [ 40.496929][ T461] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 40.502495][ T461] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 40.508914][ T461] ? delete_node+0x759/0x7b0 [ 40.513801][ T461] ? __kasan_check_read+0x11/0x20 [ 40.518982][ T461] ? delete_node+0x759/0x7b0 [ 40.523747][ T461] ? __kasan_check_write+0x14/0x20 [ 40.528962][ T461] ? idr_replace+0x1c4/0x230 [ 40.533544][ T461] ? idr_get_next+0x4b0/0x4b0 [ 40.538220][ T461] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 40.543564][ T461] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 40.548842][ T461] css_populate_dir+0x137/0x370 [ 40.553811][ T461] cgroup_apply_control_enable+0x8b9/0x12f0 [ 40.559707][ T461] cgroup_apply_control+0x93/0x710 [ 40.564809][ T461] ? css_next_child+0x160/0x160 [ 40.569647][ T461] ? release_task_stack+0x529/0x660 [ 40.575013][ T461] ? io_schedule+0x120/0x120 [ 40.579623][ T461] ? kernfs_fop_write_iter+0x15e/0x410 [ 40.585170][ T461] ? __kasan_check_write+0x14/0x20 [ 40.590277][ T461] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 40.595575][ T461] cgroup_subtree_control_write+0xd19/0x1310 [ 40.601564][ T461] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.607556][ T461] ? __kasan_check_write+0x14/0x20 [ 40.612665][ T461] ? _copy_from_iter+0x3fb/0xd60 [ 40.617741][ T461] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.623749][ T461] cgroup_file_write+0x28e/0x590 [ 40.628695][ T461] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.633817][ T461] ? mutex_lock+0xa6/0x110 [ 40.638255][ T461] ? mutex_trylock+0xb0/0xb0 [ 40.642860][ T461] ? __kasan_check_write+0x14/0x20 [ 40.647994][ T461] kernfs_fop_write_iter+0x2d0/0x410 [ 40.653271][ T461] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.658395][ T461] vfs_write+0xc1c/0xf40 [ 40.662637][ T461] ? irq_exit_rcu+0x9/0x10 [ 40.667039][ T461] ? kernel_write+0x3c0/0x3c0 [ 40.671712][ T461] ? mutex_trylock+0xb0/0xb0 [ 40.676293][ T461] ? __fdget_pos+0x26d/0x310 [ 40.680861][ T461] ? ksys_write+0x77/0x2c0 [ 40.685255][ T461] ksys_write+0x198/0x2c0 [ 40.689582][ T461] ? __ia32_sys_read+0x90/0x90 [ 40.694323][ T461] ? debug_smp_processor_id+0x17/0x20 [ 40.699671][ T461] __x64_sys_write+0x7b/0x90 [ 40.704509][ T461] do_syscall_64+0x34/0x70 [ 40.708928][ T461] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.714893][ T461] RIP: 0033:0x7fc9578090e9 [ 40.719297][ T461] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.738977][ T461] RSP: 002b:00007fc95775e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.747485][ T461] RAX: ffffffffffffffda RBX: 00007fc95791c030 RCX: 00007fc9578090e9 [ 40.755440][ T461] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.763408][ T461] RBP: 00007fc95775e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.771360][ T461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.779309][ T461] R13: 00007ffdd66ef07f R14: 00007fc95775e300 R15: 0000000000022000 [ 40.788404][ T461] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.824329][ T462] FAULT_INJECTION: forcing a failure. [ 40.824329][ T462] name failslab, interval 1, probability 0, space 0, times 0 [ 40.837099][ T462] CPU: 0 PID: 462 Comm: syz-executor.3 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 40.847317][ T462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.857854][ T462] Call Trace: [ 40.861129][ T462] dump_stack_lvl+0x1e2/0x24b [ 40.865977][ T462] ? panic+0x7d7/0x7d7 [ 40.870030][ T462] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.875485][ T462] ? selinux_kernfs_init_security+0x1a8/0x760 [ 40.881575][ T462] dump_stack+0x15/0x17 [ 40.885714][ T462] should_fail+0x3c0/0x510 [ 40.890112][ T462] __should_failslab+0x9f/0xe0 [ 40.894866][ T462] should_failslab+0x9/0x20 [ 40.899439][ T462] kmem_cache_alloc+0x3f/0x300 [ 40.904205][ T462] ? __kernfs_new_node+0xdb/0x6e0 [ 40.909312][ T462] __kernfs_new_node+0xdb/0x6e0 [ 40.914153][ T462] ? is_module_text_address+0xe1/0x140 [ 40.919602][ T462] ? kernfs_new_node+0x170/0x170 [ 40.924519][ T462] ? ptr_to_hashval+0x60/0x60 [ 40.929176][ T462] ? arch_stack_walk+0xf8/0x140 [ 40.934016][ T462] ? snprintf+0xd6/0x120 [ 40.938246][ T462] kernfs_new_node+0x97/0x170 [ 40.942907][ T462] __kernfs_create_file+0x4a/0x270 [ 40.948096][ T462] cgroup_addrm_files+0xab8/0xfe0 [ 40.953095][ T462] ? ____kasan_kmalloc+0xdc/0x110 [ 40.958106][ T462] ? __kasan_kmalloc+0x9/0x10 [ 40.962767][ T462] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 40.968316][ T462] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 40.974452][ T462] ? delete_node+0x759/0x7b0 [ 40.979023][ T462] ? __kasan_check_read+0x11/0x20 [ 40.984020][ T462] ? delete_node+0x759/0x7b0 [ 40.988793][ T462] ? __kasan_check_write+0x14/0x20 [ 40.993885][ T462] ? idr_replace+0x1c4/0x230 [ 40.998454][ T462] ? idr_get_next+0x4b0/0x4b0 [ 41.003112][ T462] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 41.008289][ T462] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 41.013472][ T462] css_populate_dir+0x137/0x370 [ 41.018305][ T462] cgroup_apply_control_enable+0x8b9/0x12f0 [ 41.024187][ T462] cgroup_apply_control+0x93/0x710 [ 41.029280][ T462] ? css_next_child+0x160/0x160 [ 41.034314][ T462] ? release_task_stack+0x4c2/0x660 [ 41.039498][ T462] ? io_schedule+0x120/0x120 [ 41.044114][ T462] ? kernfs_fop_write_iter+0x15e/0x410 [ 41.049560][ T462] ? __kasan_check_write+0x14/0x20 [ 41.054649][ T462] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 41.060000][ T462] cgroup_subtree_control_write+0xd19/0x1310 [ 41.067696][ T462] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.073652][ T462] ? __kasan_check_write+0x14/0x20 [ 41.079114][ T462] ? _copy_from_iter+0x3fb/0xd60 [ 41.084037][ T462] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.090022][ T462] cgroup_file_write+0x28e/0x590 [ 41.094967][ T462] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.100059][ T462] ? mutex_lock+0xa6/0x110 [ 41.104489][ T462] ? mutex_trylock+0xb0/0xb0 [ 41.109143][ T462] ? __kasan_check_write+0x14/0x20 [ 41.114242][ T462] kernfs_fop_write_iter+0x2d0/0x410 [ 41.119529][ T462] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.124617][ T462] vfs_write+0xc1c/0xf40 [ 41.128847][ T462] ? kernel_write+0x3c0/0x3c0 [ 41.133500][ T462] ? mutex_trylock+0xb0/0xb0 [ 41.138154][ T462] ? __fdget_pos+0x26d/0x310 [ 41.142824][ T462] ? ksys_write+0x77/0x2c0 [ 41.147430][ T462] ksys_write+0x198/0x2c0 [ 41.152049][ T462] ? __ia32_sys_read+0x90/0x90 [ 41.156802][ T462] ? debug_smp_processor_id+0x17/0x20 [ 41.162350][ T462] __x64_sys_write+0x7b/0x90 [ 41.167011][ T462] do_syscall_64+0x34/0x70 [ 41.171408][ T462] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.177287][ T462] RIP: 0033:0x7f0c8cc490e9 [ 41.182070][ T462] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.201919][ T462] RSP: 002b:00007f0c8cb9e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.210563][ T462] RAX: ffffffffffffffda RBX: 00007f0c8cd5c030 RCX: 00007f0c8cc490e9 [ 41.218810][ T462] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.226800][ T462] RBP: 00007f0c8cb9e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.234751][ T462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.242702][ T462] R13: 00007fff3e26826f R14: 00007f0c8cb9e300 R15: 0000000000022000 [ 41.253392][ T462] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.274327][ T455] FAULT_INJECTION: forcing a failure. [ 41.274327][ T455] name failslab, interval 1, probability 0, space 0, times 0 [ 41.287696][ T455] CPU: 1 PID: 455 Comm: syz-executor.0 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 41.298163][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.309238][ T455] Call Trace: [ 41.312516][ T455] dump_stack_lvl+0x1e2/0x24b [ 41.317179][ T455] ? panic+0x7d7/0x7d7 [ 41.321230][ T455] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.326810][ T455] ? selinux_kernfs_init_security+0x1a8/0x760 [ 41.332862][ T455] dump_stack+0x15/0x17 [ 41.337047][ T455] should_fail+0x3c0/0x510 [ 41.341449][ T455] __should_failslab+0x9f/0xe0 [ 41.346302][ T455] should_failslab+0x9/0x20 [ 41.350793][ T455] kmem_cache_alloc+0x3f/0x300 [ 41.355548][ T455] ? __kernfs_new_node+0xdb/0x6e0 [ 41.360722][ T455] __kernfs_new_node+0xdb/0x6e0 [ 41.365557][ T455] ? is_module_text_address+0xe1/0x140 [ 41.371026][ T455] ? kernfs_new_node+0x170/0x170 [ 41.375942][ T455] ? ptr_to_hashval+0x60/0x60 [ 41.380617][ T455] ? arch_stack_walk+0xf8/0x140 [ 41.385444][ T455] ? snprintf+0xd6/0x120 [ 41.389666][ T455] kernfs_new_node+0x97/0x170 [ 41.394335][ T455] __kernfs_create_file+0x4a/0x270 [ 41.399433][ T455] cgroup_addrm_files+0xab8/0xfe0 [ 41.404955][ T455] ? ____kasan_kmalloc+0xdc/0x110 [ 41.409952][ T455] ? __kasan_kmalloc+0x9/0x10 [ 41.414610][ T455] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 41.420219][ T455] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 41.426347][ T455] ? delete_node+0x759/0x7b0 [ 41.430916][ T455] ? __kasan_check_read+0x11/0x20 [ 41.435914][ T455] ? delete_node+0x759/0x7b0 [ 41.440480][ T455] ? __kasan_check_write+0x14/0x20 [ 41.445565][ T455] ? idr_replace+0x1c4/0x230 [ 41.450135][ T455] ? idr_get_next+0x4b0/0x4b0 [ 41.454786][ T455] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 41.459782][ T455] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 41.464965][ T455] css_populate_dir+0x137/0x370 [ 41.469794][ T455] cgroup_apply_control_enable+0x8b9/0x12f0 [ 41.475661][ T455] cgroup_apply_control+0x93/0x710 [ 41.480749][ T455] ? css_next_child+0x160/0x160 [ 41.485573][ T455] ? release_task_stack+0x4c2/0x660 [ 41.490750][ T455] ? io_schedule+0x120/0x120 [ 41.495314][ T455] ? kernfs_fop_write_iter+0x15e/0x410 [ 41.500780][ T455] ? __kasan_check_write+0x14/0x20 [ 41.505991][ T455] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 41.511254][ T455] cgroup_subtree_control_write+0xd19/0x1310 [ 41.517208][ T455] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.523170][ T455] ? __kasan_check_write+0x14/0x20 [ 41.528259][ T455] ? _copy_from_iter+0x3fb/0xd60 [ 41.533257][ T455] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.539213][ T455] cgroup_file_write+0x28e/0x590 [ 41.544128][ T455] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.549217][ T455] ? mutex_lock+0xa6/0x110 [ 41.553630][ T455] ? mutex_trylock+0xb0/0xb0 [ 41.558531][ T455] ? __kasan_check_write+0x14/0x20 [ 41.564598][ T455] kernfs_fop_write_iter+0x2d0/0x410 [ 41.570052][ T455] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.575433][ T455] vfs_write+0xc1c/0xf40 [ 41.579689][ T455] ? kernel_write+0x3c0/0x3c0 [ 41.584443][ T455] ? mutex_trylock+0xb0/0xb0 [ 41.589015][ T455] ? __fdget_pos+0x26d/0x310 [ 41.593887][ T455] ? ksys_write+0x77/0x2c0 [ 41.598622][ T455] ksys_write+0x198/0x2c0 [ 41.603052][ T455] ? __ia32_sys_read+0x90/0x90 [ 41.608165][ T455] ? debug_smp_processor_id+0x17/0x20 [ 41.614217][ T455] __x64_sys_write+0x7b/0x90 [ 41.618807][ T455] do_syscall_64+0x34/0x70 [ 41.623208][ T455] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.629248][ T455] RIP: 0033:0x7f821d2c50e9 [ 41.633639][ 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 [ 41.653228][ T455] RSP: 002b:00007f821d21a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.661713][ T455] RAX: ffffffffffffffda RBX: 00007f821d3d8030 RCX: 00007f821d2c50e9 [ 41.669661][ T455] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.677609][ T455] RBP: 00007f821d21a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.685760][ T455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.694013][ T455] R13: 00007ffffa9a2f4f R14: 00007f821d21a300 R15: 0000000000022000 [ 41.705241][ T455] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.723890][ T469] FAULT_INJECTION: forcing a failure. [ 41.723890][ T469] name failslab, interval 1, probability 0, space 0, times 0 [ 41.737607][ T469] CPU: 1 PID: 469 Comm: syz-executor.4 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 41.748240][ T469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.758540][ T469] Call Trace: [ 41.761816][ T469] dump_stack_lvl+0x1e2/0x24b [ 41.766477][ T469] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.771928][ T469] ? selinux_kernfs_init_security+0x1a8/0x760 [ 41.777977][ T469] dump_stack+0x15/0x17 [ 41.782205][ T469] should_fail+0x3c0/0x510 [ 41.786608][ T469] ? __kernfs_new_node+0x99/0x6e0 [ 41.791786][ T469] __should_failslab+0x9f/0xe0 [ 41.796531][ T469] should_failslab+0x9/0x20 [ 41.801020][ T469] __kmalloc_track_caller+0x5f/0x350 [ 41.806387][ T469] kstrdup_const+0x55/0x90 [ 41.810781][ T469] __kernfs_new_node+0x99/0x6e0 [ 41.815619][ T469] ? is_module_text_address+0xe1/0x140 [ 41.821185][ T469] ? kernfs_new_node+0x170/0x170 [ 41.826099][ T469] ? ptr_to_hashval+0x60/0x60 [ 41.830815][ T469] ? arch_stack_walk+0xf8/0x140 [ 41.835904][ T469] ? snprintf+0xd6/0x120 [ 41.840212][ T469] kernfs_new_node+0x97/0x170 [ 41.844872][ T469] __kernfs_create_file+0x4a/0x270 [ 41.849969][ T469] cgroup_addrm_files+0xab8/0xfe0 [ 41.854968][ T469] ? ____kasan_kmalloc+0xdc/0x110 [ 41.859979][ T469] ? __kasan_kmalloc+0x9/0x10 [ 41.864642][ T469] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 41.870163][ T469] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 41.876288][ T469] ? delete_node+0x759/0x7b0 [ 41.880872][ T469] ? __kasan_check_read+0x11/0x20 [ 41.885873][ T469] ? delete_node+0x759/0x7b0 [ 41.890648][ T469] ? __kasan_check_write+0x14/0x20 [ 41.895735][ T469] ? idr_replace+0x1c4/0x230 [ 41.900311][ T469] ? idr_get_next+0x4b0/0x4b0 [ 41.904973][ T469] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 41.910243][ T469] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 41.915417][ T469] css_populate_dir+0x137/0x370 [ 41.920252][ T469] cgroup_apply_control_enable+0x8b9/0x12f0 [ 41.926121][ T469] cgroup_apply_control+0x93/0x710 [ 41.931209][ T469] ? css_next_child+0x160/0x160 [ 41.936038][ T469] ? io_schedule+0x120/0x120 [ 41.940601][ T469] ? kernfs_fop_write_iter+0x15e/0x410 [ 41.946036][ T469] ? __kasan_check_write+0x14/0x20 [ 41.951382][ T469] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 41.956648][ T469] cgroup_subtree_control_write+0xd19/0x1310 [ 41.962611][ T469] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.968652][ T469] ? __kasan_check_write+0x14/0x20 [ 41.973740][ T469] ? _copy_from_iter+0x3fb/0xd60 [ 41.978681][ T469] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.984633][ T469] cgroup_file_write+0x28e/0x590 [ 41.989547][ T469] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.994636][ T469] ? mutex_lock+0xa6/0x110 [ 41.999040][ T469] ? mutex_trylock+0xb0/0xb0 [ 42.003876][ T469] ? __kasan_check_write+0x14/0x20 [ 42.009702][ T469] kernfs_fop_write_iter+0x2d0/0x410 [ 42.015244][ T469] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.020742][ T469] vfs_write+0xc1c/0xf40 [ 42.025104][ T469] ? kernel_write+0x3c0/0x3c0 [ 42.029953][ T469] ? mutex_trylock+0xb0/0xb0 [ 42.034600][ T469] ? __fdget_pos+0x26d/0x310 [ 42.039698][ T469] ? ksys_write+0x77/0x2c0 [ 42.044129][ T469] ksys_write+0x198/0x2c0 [ 42.048447][ T469] ? __ia32_sys_read+0x90/0x90 [ 42.053274][ T469] ? debug_smp_processor_id+0x17/0x20 [ 42.058622][ T469] __x64_sys_write+0x7b/0x90 [ 42.063194][ T469] do_syscall_64+0x34/0x70 [ 42.067586][ T469] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.073453][ T469] RIP: 0033:0x7fc9578090e9 [ 42.077847][ 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 [ 42.097863][ T469] RSP: 002b:00007fc95777f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.106259][ T469] RAX: ffffffffffffffda RBX: 00007fc95791bf60 RCX: 00007fc9578090e9 [ 42.114298][ T469] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/05/12 18:58:46 executed programs: 12 [ 42.122353][ T469] RBP: 00007fc95777f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.130309][ T469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.138275][ T469] R13: 00007ffdd66ef07f R14: 00007fc95777f300 R15: 0000000000022000 [ 42.147130][ T469] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.167021][ T464] FAULT_INJECTION: forcing a failure. [ 42.167021][ T464] name failslab, interval 1, probability 0, space 0, times 0 [ 42.181331][ T464] CPU: 1 PID: 464 Comm: syz-executor.1 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 42.192635][ T464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.203850][ T464] Call Trace: [ 42.207575][ T464] dump_stack_lvl+0x1e2/0x24b [ 42.212424][ T464] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.217882][ T464] ? selinux_kernfs_init_security+0x1a8/0x760 [ 42.223934][ T464] dump_stack+0x15/0x17 [ 42.228159][ T464] should_fail+0x3c0/0x510 [ 42.232586][ T464] ? __kernfs_new_node+0x99/0x6e0 [ 42.237969][ T464] __should_failslab+0x9f/0xe0 [ 42.242738][ T464] should_failslab+0x9/0x20 [ 42.247284][ T464] __kmalloc_track_caller+0x5f/0x350 [ 42.252555][ T464] kstrdup_const+0x55/0x90 [ 42.257347][ T464] __kernfs_new_node+0x99/0x6e0 [ 42.262199][ T464] ? is_module_text_address+0xe1/0x140 [ 42.267737][ T464] ? kernfs_new_node+0x170/0x170 [ 42.272683][ T464] ? ptr_to_hashval+0x60/0x60 [ 42.277546][ T464] ? arch_stack_walk+0xf8/0x140 [ 42.282569][ T464] ? snprintf+0xd6/0x120 [ 42.286798][ T464] kernfs_new_node+0x97/0x170 [ 42.291640][ T464] __kernfs_create_file+0x4a/0x270 [ 42.296777][ T464] cgroup_addrm_files+0xab8/0xfe0 [ 42.301874][ T464] ? ____kasan_kmalloc+0xdc/0x110 [ 42.306881][ T464] ? __kasan_kmalloc+0x9/0x10 [ 42.311797][ T464] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 42.317408][ T464] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 42.323973][ T464] ? delete_node+0x759/0x7b0 [ 42.328561][ T464] ? __kasan_check_read+0x11/0x20 [ 42.333671][ T464] ? delete_node+0x759/0x7b0 [ 42.338284][ T464] ? __kasan_check_write+0x14/0x20 [ 42.343472][ T464] ? idr_replace+0x1c4/0x230 [ 42.348133][ T464] ? idr_get_next+0x4b0/0x4b0 [ 42.352790][ T464] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 42.357881][ T464] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 42.363057][ T464] css_populate_dir+0x137/0x370 [ 42.367974][ T464] cgroup_apply_control_enable+0x8b9/0x12f0 [ 42.373964][ T464] cgroup_apply_control+0x93/0x710 [ 42.379066][ T464] ? css_next_child+0x160/0x160 [ 42.384156][ T464] ? io_schedule+0x120/0x120 [ 42.388743][ T464] ? kernfs_fop_write_iter+0x15e/0x410 [ 42.394180][ T464] ? __kasan_check_write+0x14/0x20 [ 42.399273][ T464] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 42.404539][ T464] cgroup_subtree_control_write+0xd19/0x1310 [ 42.410538][ T464] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.416495][ T464] ? __kasan_check_write+0x14/0x20 [ 42.421855][ T464] ? _copy_from_iter+0x3fb/0xd60 [ 42.426859][ T464] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.432817][ T464] cgroup_file_write+0x28e/0x590 [ 42.437733][ T464] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.442932][ T464] ? mutex_lock+0xa6/0x110 [ 42.447731][ T464] ? mutex_trylock+0xb0/0xb0 [ 42.452319][ T464] ? __kasan_check_write+0x14/0x20 [ 42.457609][ T464] kernfs_fop_write_iter+0x2d0/0x410 [ 42.462885][ T464] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.467996][ T464] vfs_write+0xc1c/0xf40 [ 42.472228][ T464] ? kernel_write+0x3c0/0x3c0 [ 42.476903][ T464] ? mutex_trylock+0xb0/0xb0 [ 42.482474][ T464] ? __fdget_pos+0x26d/0x310 [ 42.487052][ T464] ? ksys_write+0x77/0x2c0 [ 42.491477][ T464] ksys_write+0x198/0x2c0 [ 42.497220][ T464] ? __ia32_sys_read+0x90/0x90 [ 42.501964][ T464] ? debug_smp_processor_id+0x17/0x20 [ 42.507316][ T464] __x64_sys_write+0x7b/0x90 [ 42.511908][ T464] do_syscall_64+0x34/0x70 [ 42.516438][ T464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.522757][ T464] RIP: 0033:0x7ff0c67fe0e9 [ 42.527163][ T464] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.546924][ T464] RSP: 002b:00007ff0c6774168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.555496][ T464] RAX: ffffffffffffffda RBX: 00007ff0c6910f60 RCX: 00007ff0c67fe0e9 [ 42.563548][ T464] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.571708][ T464] RBP: 00007ff0c67741d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.579866][ T464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.587849][ T464] R13: 00007ffc9048adaf R14: 00007ff0c6774300 R15: 0000000000022000 [ 42.599367][ T464] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.654036][ T456] FAULT_INJECTION: forcing a failure. [ 42.654036][ T456] name failslab, interval 1, probability 0, space 0, times 0 [ 42.666911][ T456] CPU: 0 PID: 456 Comm: syz-executor.5 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 42.677167][ T456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.687292][ T456] Call Trace: [ 42.690568][ T456] dump_stack_lvl+0x1e2/0x24b [ 42.695512][ T456] ? panic+0x7d7/0x7d7 [ 42.699568][ T456] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.705022][ T456] ? find_next_bit+0xd6/0x120 [ 42.709693][ T456] ? cpumask_next+0x11/0x30 [ 42.714222][ T456] dump_stack+0x15/0x17 [ 42.718397][ T456] should_fail+0x3c0/0x510 [ 42.722844][ T456] ? percpu_ref_init+0xd0/0x330 [ 42.728352][ T456] __should_failslab+0x9f/0xe0 [ 42.734280][ T456] should_failslab+0x9/0x20 [ 42.738861][ T456] kmem_cache_alloc_trace+0x3a/0x330 [ 42.744818][ T456] percpu_ref_init+0xd0/0x330 [ 42.749752][ T456] ? cgroup_setup_root+0xea0/0xea0 [ 42.755321][ T456] cgroup_apply_control_enable+0x3a2/0x12f0 [ 42.761325][ T456] cgroup_apply_control+0x93/0x710 [ 42.766607][ T456] ? css_next_child+0x160/0x160 [ 42.771757][ T456] ? io_schedule+0x120/0x120 [ 42.776495][ T456] ? kernfs_fop_write_iter+0x15e/0x410 [ 42.781963][ T456] ? __kasan_check_write+0x14/0x20 [ 42.787316][ T456] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 42.793257][ T456] cgroup_subtree_control_write+0xd19/0x1310 [ 42.799329][ T456] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.805455][ T456] ? __kasan_check_write+0x14/0x20 [ 42.810577][ T456] ? _copy_from_iter+0x3fb/0xd60 [ 42.815532][ T456] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.822169][ T456] cgroup_file_write+0x28e/0x590 [ 42.827390][ T456] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.832598][ T456] ? mutex_lock+0xa6/0x110 [ 42.837031][ T456] ? mutex_trylock+0xb0/0xb0 [ 42.841610][ T456] ? __kasan_check_write+0x14/0x20 [ 42.846712][ T456] kernfs_fop_write_iter+0x2d0/0x410 [ 42.852103][ T456] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.857305][ T456] vfs_write+0xc1c/0xf40 [ 42.861720][ T456] ? kernel_write+0x3c0/0x3c0 [ 42.866392][ T456] ? mutex_trylock+0xb0/0xb0 [ 42.870964][ T456] ? __fdget_pos+0x26d/0x310 [ 42.875662][ T456] ? ksys_write+0x77/0x2c0 [ 42.880074][ T456] ksys_write+0x198/0x2c0 [ 42.884447][ T456] ? __ia32_sys_read+0x90/0x90 [ 42.889202][ T456] ? debug_smp_processor_id+0x17/0x20 [ 42.894733][ T456] __x64_sys_write+0x7b/0x90 [ 42.899341][ T456] do_syscall_64+0x34/0x70 [ 42.903766][ T456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.909765][ T456] RIP: 0033:0x7fa608f190e9 [ 42.914307][ T456] 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 [ 42.934088][ T456] RSP: 002b:00007fa608e6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.943240][ T456] RAX: ffffffffffffffda RBX: 00007fa60902c030 RCX: 00007fa608f190e9 [ 42.951321][ T456] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.959377][ T456] RBP: 00007fa608e6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.967467][ T456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.975430][ T456] R13: 00007ffe6d529fef R14: 00007fa608e6e300 R15: 0000000000022000 [ 43.024304][ T477] FAULT_INJECTION: forcing a failure. [ 43.024304][ T477] name failslab, interval 1, probability 0, space 0, times 0 [ 43.037957][ T477] CPU: 1 PID: 477 Comm: syz-executor.4 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 43.048284][ T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.058355][ T477] Call Trace: [ 43.061747][ T477] dump_stack_lvl+0x1e2/0x24b [ 43.066610][ T477] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.072060][ T477] ? selinux_kernfs_init_security+0x1a8/0x760 [ 43.078217][ T477] dump_stack+0x15/0x17 [ 43.082469][ T477] should_fail+0x3c0/0x510 [ 43.086992][ T477] ? __kernfs_new_node+0x99/0x6e0 [ 43.092019][ T477] __should_failslab+0x9f/0xe0 [ 43.096960][ T477] should_failslab+0x9/0x20 [ 43.101602][ T477] __kmalloc_track_caller+0x5f/0x350 [ 43.106899][ T477] kstrdup_const+0x55/0x90 [ 43.111315][ T477] __kernfs_new_node+0x99/0x6e0 [ 43.116175][ T477] ? is_module_text_address+0xe1/0x140 [ 43.121726][ T477] ? kernfs_new_node+0x170/0x170 [ 43.126846][ T477] ? ptr_to_hashval+0x60/0x60 [ 43.131570][ T477] ? arch_stack_walk+0xf8/0x140 [ 43.136432][ T477] ? snprintf+0xd6/0x120 [ 43.140669][ T477] kernfs_new_node+0x97/0x170 [ 43.145456][ T477] __kernfs_create_file+0x4a/0x270 [ 43.150565][ T477] cgroup_addrm_files+0xab8/0xfe0 [ 43.156001][ T477] ? ____kasan_kmalloc+0xdc/0x110 [ 43.161189][ T477] ? __kasan_kmalloc+0x9/0x10 [ 43.165876][ T477] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 43.171424][ T477] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 43.177571][ T477] ? delete_node+0x759/0x7b0 [ 43.182804][ T477] ? __kasan_check_read+0x11/0x20 [ 43.188019][ T477] ? delete_node+0x759/0x7b0 [ 43.192725][ T477] ? __kasan_check_write+0x14/0x20 [ 43.198119][ T477] ? idr_replace+0x1c4/0x230 [ 43.202714][ T477] ? idr_get_next+0x4b0/0x4b0 [ 43.207420][ T477] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 43.213279][ T477] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 43.218480][ T477] css_populate_dir+0x137/0x370 [ 43.223458][ T477] cgroup_apply_control_enable+0x8b9/0x12f0 [ 43.229493][ T477] cgroup_apply_control+0x93/0x710 [ 43.234598][ T477] ? css_next_child+0x160/0x160 [ 43.239561][ T477] ? io_schedule+0x120/0x120 [ 43.244340][ T477] ? kernfs_fop_write_iter+0x15e/0x410 [ 43.251571][ T477] ? __kasan_check_write+0x14/0x20 [ 43.257637][ T477] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.262964][ T477] cgroup_subtree_control_write+0xd19/0x1310 [ 43.269019][ T477] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.275259][ T477] ? __kasan_check_write+0x14/0x20 [ 43.280904][ T477] ? _copy_from_iter+0x3fb/0xd60 [ 43.285838][ T477] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.292182][ T477] cgroup_file_write+0x28e/0x590 [ 43.297543][ T477] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.302979][ T477] ? mutex_lock+0xa6/0x110 [ 43.307411][ T477] ? mutex_trylock+0xb0/0xb0 [ 43.311993][ T477] ? __kasan_check_write+0x14/0x20 [ 43.317192][ T477] kernfs_fop_write_iter+0x2d0/0x410 [ 43.322684][ T477] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.327792][ T477] vfs_write+0xc1c/0xf40 [ 43.332838][ T477] ? kernel_write+0x3c0/0x3c0 [ 43.337739][ T477] ? mutex_trylock+0xb0/0xb0 [ 43.342416][ T477] ? __fdget_pos+0x26d/0x310 [ 43.347207][ T477] ? ksys_write+0x77/0x2c0 [ 43.351620][ T477] ksys_write+0x198/0x2c0 [ 43.356117][ T477] ? __ia32_sys_read+0x90/0x90 [ 43.361101][ T477] ? debug_smp_processor_id+0x17/0x20 [ 43.366601][ T477] __x64_sys_write+0x7b/0x90 [ 43.371295][ T477] do_syscall_64+0x34/0x70 [ 43.375716][ T477] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.381692][ T477] RIP: 0033:0x7fc9578090e9 [ 43.386198][ 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 [ 43.406512][ T477] RSP: 002b:00007fc95777f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.415651][ T477] RAX: ffffffffffffffda RBX: 00007fc95791bf60 RCX: 00007fc9578090e9 [ 43.423946][ T477] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.432416][ T477] RBP: 00007fc95777f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.440394][ T477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.448408][ T477] R13: 00007ffdd66ef07f R14: 00007fc95777f300 R15: 0000000000022000 [ 43.457104][ T477] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.494502][ T467] FAULT_INJECTION: forcing a failure. [ 43.494502][ T467] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 43.508449][ T467] CPU: 1 PID: 467 Comm: syz-executor.2 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 43.518697][ T467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.528852][ T467] Call Trace: [ 43.532144][ T467] dump_stack_lvl+0x1e2/0x24b [ 43.537357][ T467] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.542928][ T467] ? __kasan_check_write+0x14/0x20 [ 43.548343][ T467] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 43.553444][ T467] dump_stack+0x15/0x17 [ 43.557588][ T467] should_fail+0x3c0/0x510 [ 43.561988][ T467] should_fail_alloc_page+0x50/0x60 [ 43.567168][ T467] __alloc_pages_nodemask+0x1c0/0x890 [ 43.572537][ T467] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 43.578766][ T467] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 43.585165][ T467] allocate_slab+0x78/0x540 [ 43.589866][ T467] ___slab_alloc+0x131/0x2e0 [ 43.594471][ T467] ? pids_css_alloc+0x4e/0x120 [ 43.599473][ T467] __slab_alloc+0x63/0xa0 [ 43.603808][ T467] ? pids_css_alloc+0x4e/0x120 [ 43.608587][ T467] kmem_cache_alloc_trace+0x20e/0x330 [ 43.614399][ T467] ? pids_css_alloc+0x4e/0x120 [ 43.619412][ T467] pids_css_alloc+0x4e/0x120 [ 43.624013][ T467] cgroup_apply_control_enable+0x350/0x12f0 [ 43.630280][ T467] cgroup_apply_control+0x93/0x710 [ 43.635524][ T467] ? css_next_child+0x160/0x160 [ 43.640381][ T467] ? io_schedule+0x120/0x120 [ 43.645162][ T467] ? kernfs_fop_write_iter+0x15e/0x410 [ 43.650767][ T467] ? __kasan_check_write+0x14/0x20 [ 43.656007][ T467] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.661674][ T467] cgroup_subtree_control_write+0xd19/0x1310 [ 43.667858][ T467] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.674175][ T467] ? __kasan_check_write+0x14/0x20 [ 43.679420][ T467] ? _copy_from_iter+0x3fb/0xd60 [ 43.684619][ T467] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.690708][ T467] cgroup_file_write+0x28e/0x590 [ 43.695646][ T467] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.701063][ T467] ? mutex_lock+0xa6/0x110 [ 43.705554][ T467] ? mutex_trylock+0xb0/0xb0 [ 43.710275][ T467] ? __kasan_check_write+0x14/0x20 [ 43.715400][ T467] kernfs_fop_write_iter+0x2d0/0x410 [ 43.720772][ T467] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.726784][ T467] vfs_write+0xc1c/0xf40 [ 43.733219][ T467] ? kernel_write+0x3c0/0x3c0 [ 43.738165][ T467] ? mutex_trylock+0xb0/0xb0 [ 43.743462][ T467] ? __fdget_pos+0x26d/0x310 [ 43.748559][ T467] ? ksys_write+0x77/0x2c0 [ 43.753390][ T467] ksys_write+0x198/0x2c0 [ 43.757903][ T467] ? __ia32_sys_read+0x90/0x90 [ 43.763093][ T467] ? debug_smp_processor_id+0x17/0x20 [ 43.769014][ T467] __x64_sys_write+0x7b/0x90 [ 43.774842][ T467] do_syscall_64+0x34/0x70 [ 43.779530][ T467] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.785688][ T467] RIP: 0033:0x7effca6dd0e9 [ 43.791409][ T467] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.818116][ T467] RSP: 002b:00007effca632168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.827416][ T467] RAX: ffffffffffffffda RBX: 00007effca7f0030 RCX: 00007effca6dd0e9 [ 43.835970][ T467] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.844407][ T467] RBP: 00007effca6321d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.852673][ T467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.860755][ T467] R13: 00007ffd589e604f R14: 00007effca632300 R15: 0000000000022000 [ 43.872567][ T23] audit: type=1400 audit(1652381928.059:158): 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 [ 43.900191][ T23] audit: type=1400 audit(1652381928.059:159): 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 [ 43.924020][ T23] audit: type=1400 audit(1652381928.059:160): 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 [ 43.925172][ T491] FAULT_INJECTION: forcing a failure. [ 43.925172][ T491] name failslab, interval 1, probability 0, space 0, times 0 [ 43.959609][ T491] CPU: 1 PID: 491 Comm: syz-executor.2 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 43.970091][ T491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.980239][ T491] Call Trace: [ 43.983537][ T491] dump_stack_lvl+0x1e2/0x24b [ 43.988343][ T491] ? panic+0x7d7/0x7d7 [ 43.992517][ T491] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.997970][ T491] ? find_next_bit+0xd6/0x120 [ 44.002726][ T491] ? cpumask_next+0x11/0x30 [ 44.007544][ T491] dump_stack+0x15/0x17 [ 44.011715][ T491] should_fail+0x3c0/0x510 [ 44.016143][ T491] ? percpu_ref_init+0xd0/0x330 [ 44.021266][ T491] __should_failslab+0x9f/0xe0 [ 44.026388][ T491] should_failslab+0x9/0x20 [ 44.030978][ T491] kmem_cache_alloc_trace+0x3a/0x330 [ 44.036402][ T491] percpu_ref_init+0xd0/0x330 [ 44.041233][ T491] ? cgroup_setup_root+0xea0/0xea0 [ 44.046358][ T491] cgroup_apply_control_enable+0x3a2/0x12f0 [ 44.052364][ T491] cgroup_apply_control+0x93/0x710 [ 44.057477][ T491] ? css_next_child+0x160/0x160 [ 44.062528][ T491] ? io_schedule+0x120/0x120 [ 44.067121][ T491] ? kernfs_fop_write_iter+0x15e/0x410 [ 44.072619][ T491] ? __kasan_check_write+0x14/0x20 [ 44.077917][ T491] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.083201][ T491] cgroup_subtree_control_write+0xd19/0x1310 [ 44.089202][ T491] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.095185][ T491] ? __kasan_check_write+0x14/0x20 [ 44.100389][ T491] ? _copy_from_iter+0x3fb/0xd60 [ 44.105430][ T491] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.111541][ T491] cgroup_file_write+0x28e/0x590 [ 44.116824][ T491] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.121945][ T491] ? mutex_lock+0xa6/0x110 [ 44.127117][ T491] ? mutex_trylock+0xb0/0xb0 [ 44.135099][ T491] ? __kasan_check_write+0x14/0x20 [ 44.140306][ T491] kernfs_fop_write_iter+0x2d0/0x410 [ 44.145924][ T491] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.151330][ T491] vfs_write+0xc1c/0xf40 [ 44.155656][ T491] ? kernel_write+0x3c0/0x3c0 [ 44.160461][ T491] ? mutex_trylock+0xb0/0xb0 [ 44.165061][ T491] ? __fdget_pos+0x26d/0x310 [ 44.169746][ T491] ? ksys_write+0x77/0x2c0 [ 44.174349][ T491] ksys_write+0x198/0x2c0 [ 44.178903][ T491] ? __ia32_sys_read+0x90/0x90 [ 44.183667][ T491] ? debug_smp_processor_id+0x17/0x20 [ 44.189044][ T491] __x64_sys_write+0x7b/0x90 [ 44.193631][ T491] do_syscall_64+0x34/0x70 [ 44.198172][ T491] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.205553][ T491] RIP: 0033:0x7effca6dd0e9 [ 44.209992][ 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 [ 44.230128][ T491] RSP: 002b:00007effca653168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.238619][ T491] RAX: ffffffffffffffda RBX: 00007effca7eff60 RCX: 00007effca6dd0e9 [ 44.246678][ T491] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.255245][ T491] RBP: 00007effca6531d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.263431][ T491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.271681][ T491] R13: 00007ffd589e604f R14: 00007effca653300 R15: 0000000000022000 [ 44.294391][ T472] FAULT_INJECTION: forcing a failure. [ 44.294391][ T472] name failslab, interval 1, probability 0, space 0, times 0 [ 44.307956][ T472] CPU: 0 PID: 472 Comm: syz-executor.3 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 44.318330][ T472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.328982][ T472] Call Trace: [ 44.332282][ T472] dump_stack_lvl+0x1e2/0x24b [ 44.337016][ T472] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.342477][ T472] ? selinux_kernfs_init_security+0x1a8/0x760 [ 44.348635][ T472] dump_stack+0x15/0x17 [ 44.353005][ T472] should_fail+0x3c0/0x510 [ 44.357508][ T472] ? __kernfs_new_node+0x99/0x6e0 [ 44.362535][ T472] __should_failslab+0x9f/0xe0 [ 44.367325][ T472] should_failslab+0x9/0x20 [ 44.371988][ T472] __kmalloc_track_caller+0x5f/0x350 [ 44.377379][ T472] kstrdup_const+0x55/0x90 [ 44.381968][ T472] __kernfs_new_node+0x99/0x6e0 [ 44.386827][ T472] ? is_module_text_address+0xe1/0x140 [ 44.392599][ T472] ? kernfs_new_node+0x170/0x170 [ 44.397537][ T472] ? ptr_to_hashval+0x60/0x60 [ 44.402469][ T472] ? arch_stack_walk+0xf8/0x140 [ 44.407327][ T472] ? snprintf+0xd6/0x120 [ 44.411589][ T472] kernfs_new_node+0x97/0x170 [ 44.416936][ T472] __kernfs_create_file+0x4a/0x270 [ 44.422198][ T472] cgroup_addrm_files+0xab8/0xfe0 [ 44.427436][ T472] ? ____kasan_kmalloc+0xdc/0x110 [ 44.432597][ T472] ? __kasan_kmalloc+0x9/0x10 [ 44.437275][ T472] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 44.442828][ T472] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 44.449351][ T472] ? delete_node+0x759/0x7b0 [ 44.453956][ T472] ? __kasan_check_read+0x11/0x20 [ 44.459086][ T472] ? delete_node+0x759/0x7b0 [ 44.463961][ T472] ? __kasan_check_write+0x14/0x20 [ 44.469398][ T472] ? idr_replace+0x1c4/0x230 [ 44.473985][ T472] ? idr_get_next+0x4b0/0x4b0 [ 44.478959][ T472] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 44.484261][ T472] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 44.489447][ T472] css_populate_dir+0x137/0x370 [ 44.494398][ T472] cgroup_apply_control_enable+0x8b9/0x12f0 [ 44.500382][ T472] cgroup_apply_control+0x93/0x710 [ 44.505650][ T472] ? css_next_child+0x160/0x160 [ 44.510506][ T472] ? io_schedule+0x120/0x120 [ 44.515124][ T472] ? kernfs_fop_write_iter+0x15e/0x410 [ 44.520874][ T472] ? __kasan_check_write+0x14/0x20 [ 44.526155][ T472] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.531694][ T472] cgroup_subtree_control_write+0xd19/0x1310 [ 44.537860][ T472] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.543931][ T472] ? __kasan_check_write+0x14/0x20 [ 44.549136][ T472] ? _copy_from_iter+0x3fb/0xd60 [ 44.554210][ T472] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.560664][ T472] cgroup_file_write+0x28e/0x590 [ 44.565636][ T472] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.570739][ T472] ? mutex_lock+0xa6/0x110 [ 44.575145][ T472] ? mutex_trylock+0xb0/0xb0 [ 44.579727][ T472] ? __kasan_check_write+0x14/0x20 [ 44.584822][ T472] kernfs_fop_write_iter+0x2d0/0x410 [ 44.590187][ T472] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.595748][ T472] vfs_write+0xc1c/0xf40 [ 44.599994][ T472] ? kernel_write+0x3c0/0x3c0 [ 44.604788][ T472] ? mutex_trylock+0xb0/0xb0 [ 44.609678][ T472] ? __fdget_pos+0x26d/0x310 [ 44.614561][ T472] ? ksys_write+0x77/0x2c0 [ 44.619117][ T472] ksys_write+0x198/0x2c0 [ 44.623452][ T472] ? __ia32_sys_read+0x90/0x90 [ 44.628294][ T472] ? debug_smp_processor_id+0x17/0x20 [ 44.634072][ T472] __x64_sys_write+0x7b/0x90 [ 44.638763][ T472] do_syscall_64+0x34/0x70 [ 44.643433][ T472] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.649319][ T472] RIP: 0033:0x7f0c8cc490e9 [ 44.653742][ T472] 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 [ 44.673694][ T472] RSP: 002b:00007f0c8cb9e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.682199][ T472] RAX: ffffffffffffffda RBX: 00007f0c8cd5c030 RCX: 00007f0c8cc490e9 [ 44.690430][ T472] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.698493][ T472] RBP: 00007f0c8cb9e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.706542][ T472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.715323][ T472] R13: 00007fff3e26826f R14: 00007f0c8cb9e300 R15: 0000000000022000 [ 44.724307][ T472] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.744168][ T489] FAULT_INJECTION: forcing a failure. [ 44.744168][ T489] name failslab, interval 1, probability 0, space 0, times 0 [ 44.758611][ T489] CPU: 0 PID: 489 Comm: syz-executor.4 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 44.769371][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.780522][ T489] Call Trace: [ 44.783808][ T489] dump_stack_lvl+0x1e2/0x24b [ 44.788555][ T489] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.794012][ T489] ? selinux_kernfs_init_security+0x1a8/0x760 [ 44.800069][ T489] dump_stack+0x15/0x17 [ 44.804934][ T489] should_fail+0x3c0/0x510 [ 44.809362][ T489] ? __kernfs_new_node+0x99/0x6e0 [ 44.814453][ T489] __should_failslab+0x9f/0xe0 [ 44.819653][ T489] should_failslab+0x9/0x20 [ 44.824179][ T489] __kmalloc_track_caller+0x5f/0x350 [ 44.829604][ T489] kstrdup_const+0x55/0x90 [ 44.834099][ T489] __kernfs_new_node+0x99/0x6e0 [ 44.839113][ T489] ? is_module_text_address+0xe1/0x140 [ 44.844655][ T489] ? kernfs_new_node+0x170/0x170 [ 44.849671][ T489] ? ptr_to_hashval+0x60/0x60 [ 44.854539][ T489] ? arch_stack_walk+0xf8/0x140 [ 44.859378][ T489] ? snprintf+0xd6/0x120 [ 44.863602][ T489] kernfs_new_node+0x97/0x170 [ 44.868347][ T489] __kernfs_create_file+0x4a/0x270 [ 44.873437][ T489] cgroup_addrm_files+0xab8/0xfe0 [ 44.878451][ T489] ? ____kasan_kmalloc+0xdc/0x110 [ 44.883463][ T489] ? __kasan_kmalloc+0x9/0x10 [ 44.888245][ T489] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 44.893858][ T489] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 44.900004][ T489] ? delete_node+0x759/0x7b0 [ 44.904696][ T489] ? __kasan_check_read+0x11/0x20 [ 44.910842][ T489] ? delete_node+0x759/0x7b0 [ 44.915601][ T489] ? __kasan_check_write+0x14/0x20 [ 44.920699][ T489] ? idr_replace+0x1c4/0x230 [ 44.925379][ T489] ? idr_get_next+0x4b0/0x4b0 [ 44.930223][ T489] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 44.935240][ T489] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 44.940421][ T489] css_populate_dir+0x137/0x370 [ 44.945252][ T489] cgroup_apply_control_enable+0x8b9/0x12f0 [ 44.951343][ T489] cgroup_apply_control+0x93/0x710 [ 44.956533][ T489] ? css_next_child+0x160/0x160 [ 44.961678][ T489] ? io_schedule+0x120/0x120 [ 44.966263][ T489] ? kernfs_fop_write_iter+0x15e/0x410 [ 44.971710][ T489] ? __kasan_check_write+0x14/0x20 [ 44.976891][ T489] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.982154][ T489] cgroup_subtree_control_write+0xd19/0x1310 [ 44.988125][ T489] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.994118][ T489] ? __kasan_check_write+0x14/0x20 [ 44.999211][ T489] ? _copy_from_iter+0x3fb/0xd60 [ 45.004126][ T489] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.010472][ T489] cgroup_file_write+0x28e/0x590 [ 45.015386][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.020575][ T489] ? mutex_lock+0xa6/0x110 [ 45.024990][ T489] ? mutex_trylock+0xb0/0xb0 [ 45.029587][ T489] ? __kasan_check_write+0x14/0x20 [ 45.034705][ T489] kernfs_fop_write_iter+0x2d0/0x410 [ 45.040176][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.045879][ T489] vfs_write+0xc1c/0xf40 [ 45.050336][ T489] ? kernel_write+0x3c0/0x3c0 [ 45.055001][ T489] ? mutex_trylock+0xb0/0xb0 [ 45.059663][ T489] ? __fdget_pos+0x26d/0x310 [ 45.064661][ T489] ? ksys_write+0x77/0x2c0 [ 45.069089][ T489] ksys_write+0x198/0x2c0 [ 45.073436][ T489] ? __ia32_sys_read+0x90/0x90 [ 45.078689][ T489] ? debug_smp_processor_id+0x17/0x20 [ 45.084465][ T489] __x64_sys_write+0x7b/0x90 [ 45.090769][ T489] do_syscall_64+0x34/0x70 [ 45.095364][ T489] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.101689][ T489] RIP: 0033:0x7fc9578090e9 [ 45.106370][ 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 [ 45.131161][ T489] RSP: 002b:00007fc95775e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.140032][ T489] RAX: ffffffffffffffda RBX: 00007fc95791c030 RCX: 00007fc9578090e9 [ 45.148333][ T489] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.156382][ T489] RBP: 00007fc95775e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.164523][ T489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.172854][ T489] R13: 00007ffdd66ef07f R14: 00007fc95775e300 R15: 0000000000022000 [ 45.182228][ T489] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.196541][ T493] FAULT_INJECTION: forcing a failure. [ 45.196541][ T493] name failslab, interval 1, probability 0, space 0, times 0 [ 45.209833][ T493] CPU: 1 PID: 493 Comm: syz-executor.2 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 45.220057][ T493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.230228][ T493] Call Trace: [ 45.233713][ T493] dump_stack_lvl+0x1e2/0x24b [ 45.238445][ T493] ? panic+0x7d7/0x7d7 [ 45.242772][ T493] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.248327][ T493] ? find_next_bit+0xd6/0x120 [ 45.253111][ T493] ? cpumask_next+0x11/0x30 [ 45.257601][ T493] dump_stack+0x15/0x17 [ 45.261787][ T493] should_fail+0x3c0/0x510 [ 45.266280][ T493] ? percpu_ref_init+0xd0/0x330 [ 45.271112][ T493] __should_failslab+0x9f/0xe0 [ 45.275861][ T493] should_failslab+0x9/0x20 [ 45.280998][ T493] kmem_cache_alloc_trace+0x3a/0x330 [ 45.286361][ T493] percpu_ref_init+0xd0/0x330 [ 45.291022][ T493] ? cgroup_setup_root+0xea0/0xea0 [ 45.296117][ T493] cgroup_apply_control_enable+0x3a2/0x12f0 [ 45.302805][ T493] cgroup_apply_control+0x93/0x710 [ 45.308043][ T493] ? css_next_child+0x160/0x160 [ 45.312887][ T493] ? io_schedule+0x120/0x120 [ 45.317462][ T493] ? kernfs_fop_write_iter+0x15e/0x410 [ 45.322908][ T493] ? __kasan_check_write+0x14/0x20 [ 45.328118][ T493] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.333736][ T493] cgroup_subtree_control_write+0xd19/0x1310 [ 45.339822][ T493] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.345966][ T493] ? __kasan_check_write+0x14/0x20 [ 45.351061][ T493] ? _copy_from_iter+0x3fb/0xd60 [ 45.355981][ T493] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.362120][ T493] cgroup_file_write+0x28e/0x590 [ 45.367063][ T493] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.372286][ T493] ? mutex_lock+0xa6/0x110 [ 45.377828][ T493] ? mutex_trylock+0xb0/0xb0 [ 45.382409][ T493] ? __kasan_check_write+0x14/0x20 [ 45.387524][ T493] kernfs_fop_write_iter+0x2d0/0x410 [ 45.392886][ T493] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.397983][ T493] vfs_write+0xc1c/0xf40 [ 45.402203][ T493] ? kernel_write+0x3c0/0x3c0 [ 45.406857][ T493] ? mutex_trylock+0xb0/0xb0 [ 45.411510][ T493] ? __fdget_pos+0x26d/0x310 [ 45.416081][ T493] ? ksys_write+0x77/0x2c0 [ 45.420482][ T493] ksys_write+0x198/0x2c0 [ 45.424798][ T493] ? __ia32_sys_read+0x90/0x90 [ 45.429547][ T493] ? debug_smp_processor_id+0x17/0x20 [ 45.434914][ T493] __x64_sys_write+0x7b/0x90 [ 45.439489][ T493] do_syscall_64+0x34/0x70 [ 45.443885][ T493] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.449754][ T493] RIP: 0033:0x7effca6dd0e9 [ 45.454142][ 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 [ 45.473940][ T493] RSP: 002b:00007effca653168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.482339][ T493] RAX: ffffffffffffffda RBX: 00007effca7eff60 RCX: 00007effca6dd0e9 [ 45.490464][ T493] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.498415][ T493] RBP: 00007effca6531d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.506983][ T493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.516496][ T493] R13: 00007ffd589e604f R14: 00007effca653300 R15: 0000000000022000 [ 45.533822][ T417] ------------[ cut here ]------------ [ 45.539635][ T417] WARNING: CPU: 0 PID: 417 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 45.548860][ T417] Modules linked in: [ 45.552779][ T417] CPU: 0 PID: 417 Comm: syz-executor.4 Not tainted 5.10.113-syzkaller-986961-g681997eca143 #0 [ 45.563138][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.573217][ T417] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 45.578868][ T417] Code: 48 c7 c2 40 03 04 86 e8 34 e6 8e ff e9 8b fc ff ff e8 7a 20 b6 ff e9 81 fc ff ff e8 70 20 b6 ff e9 77 fc ff ff e8 66 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 5a 20 b6 ff e8 25 ac a2 ff e9 ea fc ff ff [ 45.599087][ T417] RSP: 0018:ffffc90000f17ca0 EFLAGS: 00010293 [ 45.606333][ T417] RAX: ffffffff81b6994a RBX: 00000000ffffffff RCX: ffff8881065fa780 [ 45.614855][ T417] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 45.624011][ T417] RBP: ffffc90000f17d70 R08: ffffffff81b69638 R09: 0000000000000003 [ 45.639601][ T417] R10: fffff520001e2f85 R11: 1ffff920001e2f84 R12: dffffc0000000000 [ 45.649703][ T417] R13: ffff8881116f3c00 R14: ffffc90000f17d00 R15: 1ffff920001e2f9c [ 45.657830][ T417] FS: 0000555556d71400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 45.666874][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.673453][ T417] CR2: 00007ffdd66edf78 CR3: 000000010d43a000 CR4: 00000000003506b0 [ 45.682257][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.690494][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.699261][ T417] Call Trace: [ 45.702552][ T417] ? lockref_get_or_lock+0x340/0x340 [ 45.707854][ T417] ? umount_tree+0xf50/0xf50 [ 45.712439][ T417] ? vfs_submount+0xb0/0xb0 [ 45.717033][ T417] ? dput+0x2b6/0x320 [ 45.721028][ T417] path_umount+0x1fe/0xfb0 [ 45.725533][ T417] ? namespace_unlock+0x4f0/0x4f0 [ 45.730664][ T417] ? user_path_at_empty+0x40/0x50 [ 45.735684][ T417] __x64_sys_umount+0x122/0x170 [ 45.740723][ T417] ? path_umount+0xfb0/0xfb0 [ 45.745770][ T417] ? debug_smp_processor_id+0x17/0x20 [ 45.751160][ T417] do_syscall_64+0x34/0x70 [ 45.755667][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.761628][ T417] RIP: 0033:0x7fc95780a557 [ 45.766313][ T417] 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 [ 45.786621][ T417] RSP: 002b:00007ffdd66ee1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 45.796206][ T417] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc95780a557 [ 45.804526][ T417] RDX: 00007ffdd66ee2a9 RSI: 000000000000000a RDI: 00007ffdd66ee2a0 [ 45.812506][ T417] RBP: 00007ffdd66ee2a0 R08: 00000000ffffffff R09: 00007ffdd66ee070 [ 45.820568][ T417] R10: 0000555556d72ba3 R11: 0000000000000246 R12: 00007fc9578621f8 [ 45.828751][ T417] R13: 00007ffdd66ef360 R14: 0000555556d72b00 R15: 00007ffdd66ef3a0 [ 45.837268][ T417] ---[ end trace 68bd702982a060ff ]--- [ 45.849071][ T480] FAULT_INJECTION: forcing a failure. [ 45.849071][ T480] name failslab, interval 1, probability 0, space 0, times 0 [ 45.862591][ T480] CPU: 0 PID: 480 Comm: syz-executor.0 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 45.874528][ T480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.884869][ T480] Call Trace: [ 45.888500][ T480] dump_stack_lvl+0x1e2/0x24b [ 45.893359][ T480] ? panic+0x7d7/0x7d7 [ 45.897421][ T480] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.903157][ T480] ? find_next_bit+0xd6/0x120 [ 45.907827][ T480] ? cpumask_next+0x11/0x30 [ 45.912321][ T480] dump_stack+0x15/0x17 [ 45.916479][ T480] should_fail+0x3c0/0x510 [ 45.921076][ T480] ? percpu_ref_init+0xd0/0x330 [ 45.926127][ T480] __should_failslab+0x9f/0xe0 [ 45.930963][ T480] should_failslab+0x9/0x20 [ 45.935629][ T480] kmem_cache_alloc_trace+0x3a/0x330 [ 45.941073][ T480] percpu_ref_init+0xd0/0x330 [ 45.945762][ T480] ? cgroup_setup_root+0xea0/0xea0 [ 45.950880][ T480] cgroup_apply_control_enable+0x3a2/0x12f0 [ 45.956779][ T480] cgroup_apply_control+0x93/0x710 [ 45.962065][ T480] ? css_next_child+0x160/0x160 [ 45.967811][ T480] ? release_task_stack+0x529/0x660 [ 45.973711][ T480] ? io_schedule+0x120/0x120 [ 45.978495][ T480] ? kernfs_fop_write_iter+0x15e/0x410 [ 45.983972][ T480] ? __kasan_check_write+0x14/0x20 [ 45.989081][ T480] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.995828][ T480] cgroup_subtree_control_write+0xd19/0x1310 [ 46.002060][ T480] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.010304][ T480] ? __kasan_check_write+0x14/0x20 [ 46.016665][ T480] ? _copy_from_iter+0x3fb/0xd60 [ 46.023148][ T480] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.032525][ T480] cgroup_file_write+0x28e/0x590 [ 46.038168][ T480] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.043874][ T480] ? mutex_lock+0xa6/0x110 [ 46.052883][ T480] ? mutex_trylock+0xb0/0xb0 [ 46.057742][ T480] ? __kasan_check_write+0x14/0x20 [ 46.065120][ T480] kernfs_fop_write_iter+0x2d0/0x410 [ 46.077493][ T480] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.083096][ T480] vfs_write+0xc1c/0xf40 [ 46.088907][ T480] ? kernel_write+0x3c0/0x3c0 [ 46.093693][ T480] ? mutex_trylock+0xb0/0xb0 [ 46.098702][ T480] ? __fdget_pos+0x26d/0x310 [ 46.103513][ T480] ? ksys_write+0x77/0x2c0 [ 46.107940][ T480] ksys_write+0x198/0x2c0 [ 46.112280][ T480] ? __ia32_sys_read+0x90/0x90 [ 46.117061][ T480] ? debug_smp_processor_id+0x17/0x20 [ 46.122780][ T480] __x64_sys_write+0x7b/0x90 [ 46.127824][ T480] do_syscall_64+0x34/0x70 [ 46.132284][ T480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.138517][ T480] RIP: 0033:0x7f821d2c50e9 [ 46.143011][ T480] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.163267][ T480] RSP: 002b:00007f821d21a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.171667][ T480] RAX: ffffffffffffffda RBX: 00007f821d3d8030 RCX: 00007f821d2c50e9 [ 46.179629][ T480] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.187803][ T480] RBP: 00007f821d21a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.195875][ T480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.204199][ T480] R13: 00007ffffa9a2f4f R14: 00007f821d21a300 R15: 0000000000022000 [ 46.254373][ T496] FAULT_INJECTION: forcing a failure. [ 46.254373][ T496] name failslab, interval 1, probability 0, space 0, times 0 [ 46.267794][ T496] CPU: 1 PID: 496 Comm: syz-executor.3 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 46.279929][ T496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.290083][ T496] Call Trace: [ 46.293417][ T496] dump_stack_lvl+0x1e2/0x24b [ 46.298308][ T496] ? panic+0x7d7/0x7d7 [ 46.302658][ T496] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.308734][ T496] ? find_next_bit+0xd6/0x120 [ 46.313391][ T496] ? cpumask_next+0x11/0x30 [ 46.317875][ T496] dump_stack+0x15/0x17 [ 46.322011][ T496] should_fail+0x3c0/0x510 [ 46.326756][ T496] ? percpu_ref_init+0xd0/0x330 [ 46.331728][ T496] __should_failslab+0x9f/0xe0 [ 46.337651][ T496] should_failslab+0x9/0x20 [ 46.342238][ T496] kmem_cache_alloc_trace+0x3a/0x330 [ 46.347558][ T496] percpu_ref_init+0xd0/0x330 [ 46.352285][ T496] ? cgroup_setup_root+0xea0/0xea0 [ 46.357533][ T496] cgroup_apply_control_enable+0x3a2/0x12f0 [ 46.363630][ T496] cgroup_apply_control+0x93/0x710 [ 46.368856][ T496] ? css_next_child+0x160/0x160 [ 46.373809][ T496] ? release_task_stack+0x529/0x660 [ 46.379000][ T496] ? io_schedule+0x120/0x120 [ 46.383616][ T496] ? kernfs_fop_write_iter+0x15e/0x410 [ 46.389077][ T496] ? __kasan_check_write+0x14/0x20 [ 46.394169][ T496] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 46.399432][ T496] cgroup_subtree_control_write+0xd19/0x1310 [ 46.405393][ T496] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.411447][ T496] ? __kasan_check_write+0x14/0x20 [ 46.416772][ T496] ? _copy_from_iter+0x3fb/0xd60 [ 46.421739][ T496] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.427716][ T496] cgroup_file_write+0x28e/0x590 [ 46.432637][ T496] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.437981][ T496] ? mutex_lock+0xa6/0x110 [ 46.442397][ T496] ? mutex_trylock+0xb0/0xb0 [ 46.446986][ T496] ? __kasan_check_write+0x14/0x20 [ 46.452253][ T496] kernfs_fop_write_iter+0x2d0/0x410 [ 46.457571][ T496] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.462866][ T496] vfs_write+0xc1c/0xf40 [ 46.467093][ T496] ? kernel_write+0x3c0/0x3c0 [ 46.471758][ T496] ? mutex_trylock+0xb0/0xb0 [ 46.476417][ T496] ? __fdget_pos+0x26d/0x310 [ 46.481143][ T496] ? ksys_write+0x77/0x2c0 [ 46.485841][ T496] ksys_write+0x198/0x2c0 [ 46.490178][ T496] ? __ia32_sys_read+0x90/0x90 [ 46.494949][ T496] ? debug_smp_processor_id+0x17/0x20 [ 46.500821][ T496] __x64_sys_write+0x7b/0x90 [ 46.505748][ T496] do_syscall_64+0x34/0x70 [ 46.510152][ T496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.516289][ T496] RIP: 0033:0x7f0c8cc490e9 [ 46.520718][ T496] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.540690][ T496] RSP: 002b:00007f0c8cb9e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.549859][ T496] RAX: ffffffffffffffda RBX: 00007f0c8cd5c030 RCX: 00007f0c8cc490e9 [ 46.557844][ T496] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.565831][ T496] RBP: 00007f0c8cb9e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.573804][ T496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.581793][ T496] R13: 00007fff3e26826f R14: 00007f0c8cb9e300 R15: 0000000000022000 [ 46.634285][ T507] FAULT_INJECTION: forcing a failure. [ 46.634285][ T507] name failslab, interval 1, probability 0, space 0, times 0 [ 46.646969][ T507] CPU: 1 PID: 507 Comm: syz-executor.0 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 46.658678][ T507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.668938][ T507] Call Trace: [ 46.672236][ T507] dump_stack_lvl+0x1e2/0x24b [ 46.676905][ T507] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.682505][ T507] ? selinux_kernfs_init_security+0x1a8/0x760 [ 46.688568][ T507] dump_stack+0x15/0x17 [ 46.692707][ T507] should_fail+0x3c0/0x510 [ 46.697118][ T507] ? __kernfs_new_node+0x99/0x6e0 [ 46.702138][ T507] __should_failslab+0x9f/0xe0 [ 46.707270][ T507] should_failslab+0x9/0x20 [ 46.712383][ T507] __kmalloc_track_caller+0x5f/0x350 [ 46.717660][ T507] kstrdup_const+0x55/0x90 [ 46.722080][ T507] __kernfs_new_node+0x99/0x6e0 [ 46.726930][ T507] ? is_module_text_address+0xe1/0x140 [ 46.734062][ T507] ? kernfs_new_node+0x170/0x170 [ 46.739874][ T507] ? ptr_to_hashval+0x60/0x60 [ 46.744544][ T507] ? arch_stack_walk+0xf8/0x140 [ 46.749686][ T507] ? snprintf+0xd6/0x120 [ 46.754268][ T507] kernfs_new_node+0x97/0x170 [ 46.759205][ T507] __kernfs_create_file+0x4a/0x270 [ 46.764575][ T507] cgroup_addrm_files+0xab8/0xfe0 [ 46.770389][ T507] ? ____kasan_kmalloc+0xdc/0x110 [ 46.775492][ T507] ? __kasan_kmalloc+0x9/0x10 [ 46.780164][ T507] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 46.785699][ T507] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 46.791850][ T507] ? delete_node+0x759/0x7b0 [ 46.796437][ T507] ? __kasan_check_read+0x11/0x20 [ 46.801458][ T507] ? delete_node+0x759/0x7b0 [ 46.806112][ T507] ? __kasan_check_write+0x14/0x20 [ 46.811213][ T507] ? idr_replace+0x1c4/0x230 [ 46.815873][ T507] ? idr_get_next+0x4b0/0x4b0 [ 46.820655][ T507] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 46.825660][ T507] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 46.831015][ T507] css_populate_dir+0x137/0x370 [ 46.835952][ T507] cgroup_apply_control_enable+0x8b9/0x12f0 [ 46.841925][ T507] cgroup_apply_control+0x93/0x710 [ 46.847019][ T507] ? css_next_child+0x160/0x160 [ 46.854507][ T507] ? io_schedule+0x120/0x120 [ 46.859089][ T507] ? kernfs_fop_write_iter+0x15e/0x410 [ 46.864909][ T507] ? __kasan_check_write+0x14/0x20 [ 46.870217][ T507] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 46.875491][ T507] cgroup_subtree_control_write+0xd19/0x1310 [ 46.881617][ T507] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.888858][ T507] ? __kasan_check_write+0x14/0x20 [ 46.893956][ T507] ? _copy_from_iter+0x3fb/0xd60 [ 46.899110][ T507] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.906034][ T507] cgroup_file_write+0x28e/0x590 [ 46.910963][ T507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.916301][ T507] ? mutex_lock+0xa6/0x110 [ 46.920727][ T507] ? mutex_trylock+0xb0/0xb0 [ 46.925397][ T507] ? __kasan_check_write+0x14/0x20 [ 46.930939][ T507] kernfs_fop_write_iter+0x2d0/0x410 [ 46.936297][ T507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.941740][ T507] vfs_write+0xc1c/0xf40 [ 46.945996][ T507] ? kernel_write+0x3c0/0x3c0 [ 46.950657][ T507] ? mutex_trylock+0xb0/0xb0 [ 46.955233][ T507] ? __fdget_pos+0x26d/0x310 [ 46.959801][ T507] ? ksys_write+0x77/0x2c0 [ 46.964282][ T507] ksys_write+0x198/0x2c0 [ 46.968590][ T507] ? __ia32_sys_read+0x90/0x90 [ 46.973455][ T507] ? debug_smp_processor_id+0x17/0x20 [ 46.978890][ T507] __x64_sys_write+0x7b/0x90 [ 46.983720][ T507] do_syscall_64+0x34/0x70 [ 46.988201][ T507] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.994077][ T507] RIP: 0033:0x7f821d2c50e9 [ 46.998476][ 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 [ 47.018856][ T507] RSP: 002b:00007f821d23b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.027357][ T507] RAX: ffffffffffffffda RBX: 00007f821d3d7f60 RCX: 00007f821d2c50e9 [ 47.035425][ T507] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.043477][ T507] RBP: 00007f821d23b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.051523][ T507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.059494][ T507] R13: 00007ffffa9a2f4f R14: 00007f821d23b300 R15: 0000000000022000 [ 47.068045][ T507] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.079213][ T413] ------------[ cut here ]------------ [ 47.084751][ T413] WARNING: CPU: 1 PID: 413 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 47.094253][ T413] Modules linked in: [ 47.098168][ T413] CPU: 1 PID: 413 Comm: syz-executor.0 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 47.109996][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.120307][ T413] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 47.126104][ T413] Code: 48 c7 c2 40 03 04 86 e8 34 e6 8e ff e9 8b fc ff ff e8 7a 20 b6 ff e9 81 fc ff ff e8 70 20 b6 ff e9 77 fc ff ff e8 66 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 5a 20 b6 ff e8 25 ac a2 ff e9 ea fc ff ff [ 47.145765][ T413] RSP: 0018:ffffc90000ed7ba0 EFLAGS: 00010293 [ 47.151944][ T413] RAX: ffffffff81b6994a RBX: 00000000ffffffff RCX: ffff8881002d4f00 [ 47.159957][ T413] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 47.168264][ T413] RBP: ffffc90000ed7c70 R08: ffffffff81b69638 R09: 0000000000000003 [ 47.176406][ T413] R10: fffff520001daf65 R11: 1ffff920001daf64 R12: dffffc0000000000 [ 47.184485][ T413] R13: ffff88810f5dc540 R14: ffffc90000ed7c00 R15: 1ffff920001daf7c [ 47.192445][ T413] FS: 0000555556ad2400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 47.201662][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.208418][ T413] CR2: 0000555556adbb38 CR3: 000000011e7d7000 CR4: 00000000003506a0 [ 47.216906][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.225154][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.233208][ T413] Call Trace: [ 47.236829][ T413] ? io_schedule+0x120/0x120 [ 47.241675][ T413] ? vfs_submount+0xb0/0xb0 [ 47.246229][ T413] ? shrink_dentry_list+0x4ec/0x500 [ 47.251651][ T413] namespace_unlock+0x448/0x4f0 [ 47.257007][ T413] ? umount_tree+0xf50/0xf50 [ 47.262371][ T413] ? __detach_mounts+0x670/0x670 [ 47.267720][ T413] ? selinux_umount+0xf0/0x130 [ 47.272513][ T413] path_umount+0xf03/0xfb0 [ 47.277211][ T413] ? namespace_unlock+0x4f0/0x4f0 [ 47.282430][ T413] ? user_path_at_empty+0x40/0x50 [ 47.288583][ T413] __x64_sys_umount+0x122/0x170 [ 47.293867][ T413] ? path_umount+0xfb0/0xfb0 [ 47.298717][ T413] ? debug_smp_processor_id+0x17/0x20 [ 47.304968][ T413] do_syscall_64+0x34/0x70 [ 47.309557][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.315700][ T413] RIP: 0033:0x7f821d2c6557 [ 47.320386][ T413] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.341504][ T413] RSP: 002b:00007ffffa9a20a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 47.350127][ T413] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f821d2c6557 [ 47.358909][ T413] RDX: 00007ffffa9a2179 RSI: 000000000000000a RDI: 00007ffffa9a2170 [ 47.367420][ T413] RBP: 00007ffffa9a2170 R08: 00000000ffffffff R09: 00007ffffa9a1f40 [ 47.375755][ T413] R10: 0000555556ad3ba3 R11: 0000000000000246 R12: 00007f821d31e1f8 [ 47.383751][ T413] R13: 00007ffffa9a3230 R14: 0000555556ad3b00 R15: 00007ffffa9a3270 [ 47.391810][ T413] ---[ end trace 68bd702982a06100 ]--- [ 47.397457][ T413] ------------[ cut here ]------------ [ 47.402956][ T413] WARNING: CPU: 0 PID: 413 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 47.412053][ T413] Modules linked in: [ 47.416075][ T413] CPU: 0 PID: 413 Comm: syz-executor.0 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 47.427747][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.437850][ T413] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 47.443481][ T413] Code: 48 c7 c2 40 03 04 86 e8 34 e6 8e ff e9 8b fc ff ff e8 7a 20 b6 ff e9 81 fc ff ff e8 70 20 b6 ff e9 77 fc ff ff e8 66 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 5a 20 b6 ff e8 25 ac a2 ff e9 ea fc ff ff [ 47.463206][ T413] RSP: 0018:ffffc90000ed7ca0 EFLAGS: 00010293 [ 47.469288][ T413] RAX: ffffffff81b6994a RBX: 00000000fffffffe RCX: ffff8881002d4f00 [ 47.477282][ T413] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 47.485274][ T413] RBP: ffffc90000ed7d70 R08: ffffffff81b69638 R09: 0000000000000003 [ 47.493231][ T413] R10: fffff520001daf85 R11: 1ffff920001daf84 R12: dffffc0000000000 [ 47.501217][ T413] R13: ffff88810f5dc540 R14: ffffc90000ed7d00 R15: 1ffff920001daf9c [ 47.509215][ T413] FS: 0000555556ad2400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 47.518412][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.525280][ T413] CR2: 00005555559ef3b8 CR3: 000000011e7d7000 CR4: 00000000003506b0 [ 47.533417][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.541516][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.549505][ T413] Call Trace: [ 47.552787][ T413] ? lockref_get_or_lock+0x340/0x340 [ 47.558088][ T413] ? umount_tree+0xf50/0xf50 [ 47.562785][ T413] ? vfs_submount+0xb0/0xb0 [ 47.567308][ T413] ? dput+0x2b6/0x320 [ 47.571789][ T413] path_umount+0x1fe/0xfb0 [ 47.579249][ T413] ? namespace_unlock+0x4f0/0x4f0 [ 47.585049][ T413] ? user_path_at_empty+0x40/0x50 [ 47.590234][ T413] __x64_sys_umount+0x122/0x170 [ 47.595739][ T413] ? path_umount+0xfb0/0xfb0 [ 47.601231][ T413] ? debug_smp_processor_id+0x17/0x20 [ 47.607513][ T413] do_syscall_64+0x34/0x70 [ 47.612563][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.620563][ T413] RIP: 0033:0x7f821d2c6557 [ 47.625127][ T413] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.644772][ T413] RSP: 002b:00007ffffa9a20a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 47.653180][ T413] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f821d2c6557 [ 47.661189][ T413] RDX: 00007ffffa9a2179 RSI: 000000000000000a RDI: 00007ffffa9a2170 [ 47.669187][ T413] RBP: 00007ffffa9a2170 R08: 00000000ffffffff R09: 00007ffffa9a1f40 [ 47.677227][ T413] R10: 0000555556ad3ba3 R11: 0000000000000246 R12: 00007f821d31e1f8 [ 47.685232][ T413] R13: 00007ffffa9a3230 R14: 0000555556ad3b00 R15: 00007ffffa9a3270 [ 47.693296][ T413] ---[ end trace 68bd702982a06101 ]--- [ 47.706817][ T505] FAULT_INJECTION: forcing a failure. [ 47.706817][ T505] name failslab, interval 1, probability 0, space 0, times 0 [ 47.719494][ T505] CPU: 1 PID: 505 Comm: syz-executor.4 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 47.731320][ T505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.741366][ T505] Call Trace: [ 47.744654][ T505] dump_stack_lvl+0x1e2/0x24b [ 47.749343][ T505] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.755174][ T505] ? selinux_kernfs_init_security+0x1a8/0x760 [ 47.761411][ T505] dump_stack+0x15/0x17 [ 47.765666][ T505] should_fail+0x3c0/0x510 [ 47.770077][ T505] ? __kernfs_new_node+0x99/0x6e0 [ 47.775785][ T505] __should_failslab+0x9f/0xe0 [ 47.780626][ T505] should_failslab+0x9/0x20 [ 47.785380][ T505] __kmalloc_track_caller+0x5f/0x350 [ 47.791385][ T505] kstrdup_const+0x55/0x90 [ 47.795873][ T505] __kernfs_new_node+0x99/0x6e0 [ 47.800879][ T505] ? is_module_text_address+0xe1/0x140 [ 47.806339][ T505] ? kernfs_new_node+0x170/0x170 [ 47.811370][ T505] ? ptr_to_hashval+0x60/0x60 [ 47.816030][ T505] ? arch_stack_walk+0xf8/0x140 [ 47.820862][ T505] ? snprintf+0xd6/0x120 [ 47.825110][ T505] kernfs_new_node+0x97/0x170 [ 47.829851][ T505] __kernfs_create_file+0x4a/0x270 [ 47.834958][ T505] cgroup_addrm_files+0xab8/0xfe0 [ 47.839970][ T505] ? ____kasan_kmalloc+0xdc/0x110 [ 47.844975][ T505] ? __kasan_kmalloc+0x9/0x10 [ 47.849628][ T505] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 47.855155][ T505] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 47.861306][ T505] ? delete_node+0x759/0x7b0 [ 47.866026][ T505] ? __kasan_check_read+0x11/0x20 [ 47.871134][ T505] ? delete_node+0x759/0x7b0 [ 47.875708][ T505] ? __kasan_check_write+0x14/0x20 [ 47.880823][ T505] ? idr_replace+0x1c4/0x230 [ 47.885398][ T505] ? idr_get_next+0x4b0/0x4b0 [ 47.890059][ T505] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 47.895072][ T505] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 47.900551][ T505] css_populate_dir+0x137/0x370 [ 47.905393][ T505] cgroup_apply_control_enable+0x8b9/0x12f0 [ 47.911283][ T505] cgroup_apply_control+0x93/0x710 [ 47.916492][ T505] ? css_next_child+0x160/0x160 [ 47.921355][ T505] ? io_schedule+0x120/0x120 [ 47.925926][ T505] ? kernfs_fop_write_iter+0x15e/0x410 [ 47.931368][ T505] ? __kasan_check_write+0x14/0x20 [ 47.936460][ T505] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 47.941813][ T505] cgroup_subtree_control_write+0xd19/0x1310 [ 47.947770][ T505] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.953740][ T505] ? __kasan_check_write+0x14/0x20 [ 47.958869][ T505] ? _copy_from_iter+0x3fb/0xd60 [ 47.963804][ T505] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.969764][ T505] cgroup_file_write+0x28e/0x590 [ 47.974680][ T505] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.979768][ T505] ? mutex_lock+0xa6/0x110 [ 47.984211][ T505] ? mutex_trylock+0xb0/0xb0 [ 47.988780][ T505] ? __kasan_check_write+0x14/0x20 [ 47.993868][ T505] kernfs_fop_write_iter+0x2d0/0x410 [ 47.999129][ T505] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.004318][ T505] vfs_write+0xc1c/0xf40 [ 48.008574][ T505] ? kernel_write+0x3c0/0x3c0 [ 48.013231][ T505] ? mutex_trylock+0xb0/0xb0 [ 48.017915][ T505] ? __fdget_pos+0x26d/0x310 [ 48.022504][ T505] ? ksys_write+0x77/0x2c0 [ 48.026922][ T505] ksys_write+0x198/0x2c0 [ 48.031550][ T505] ? __ia32_sys_read+0x90/0x90 [ 48.037051][ T505] ? debug_smp_processor_id+0x17/0x20 [ 48.044442][ T505] __x64_sys_write+0x7b/0x90 [ 48.049599][ T505] do_syscall_64+0x34/0x70 [ 48.056701][ T505] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.065635][ T505] RIP: 0033:0x7fc9578090e9 [ 48.076346][ T505] 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 [ 48.097718][ T505] RSP: 002b:00007fc95775e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.106198][ T505] RAX: ffffffffffffffda RBX: 00007fc95791c030 RCX: 00007fc9578090e9 [ 48.114811][ T505] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.122792][ T505] RBP: 00007fc95775e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.131244][ T505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 2022/05/12 18:58:52 executed programs: 26 [ 48.139818][ T505] R13: 00007ffdd66ef07f R14: 00007fc95775e300 R15: 0000000000022000 [ 48.149132][ T505] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.184434][ T502] FAULT_INJECTION: forcing a failure. [ 48.184434][ T502] name failslab, interval 1, probability 0, space 0, times 0 [ 48.197471][ T502] CPU: 1 PID: 502 Comm: syz-executor.2 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 48.209795][ T502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.221035][ T502] Call Trace: [ 48.224361][ T502] dump_stack_lvl+0x1e2/0x24b [ 48.229043][ T502] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.234676][ T502] dump_stack+0x15/0x17 [ 48.239045][ T502] should_fail+0x3c0/0x510 [ 48.243665][ T502] ? pids_css_alloc+0x4e/0x120 [ 48.248468][ T502] __should_failslab+0x9f/0xe0 [ 48.253849][ T502] should_failslab+0x9/0x20 [ 48.258340][ T502] kmem_cache_alloc_trace+0x3a/0x330 [ 48.264235][ T502] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 48.269609][ T502] pids_css_alloc+0x4e/0x120 [ 48.274277][ T502] cgroup_apply_control_enable+0x350/0x12f0 [ 48.280279][ T502] cgroup_apply_control+0x93/0x710 [ 48.285487][ T502] ? css_next_child+0x160/0x160 [ 48.290327][ T502] ? io_schedule+0x120/0x120 [ 48.295376][ T502] ? kernfs_fop_write_iter+0x15e/0x410 [ 48.301345][ T502] ? __kasan_check_write+0x14/0x20 [ 48.306875][ T502] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.312590][ T502] cgroup_subtree_control_write+0xd19/0x1310 [ 48.318896][ T502] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.325068][ T502] ? __kasan_check_write+0x14/0x20 [ 48.331199][ T502] ? _copy_from_iter+0x3fb/0xd60 [ 48.336216][ T502] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.342302][ T502] cgroup_file_write+0x28e/0x590 [ 48.347408][ T502] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.352718][ T502] ? mutex_lock+0xa6/0x110 [ 48.357321][ T502] ? mutex_trylock+0xb0/0xb0 [ 48.362000][ T502] ? __kasan_check_write+0x14/0x20 [ 48.367252][ T502] kernfs_fop_write_iter+0x2d0/0x410 [ 48.373075][ T502] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.378177][ T502] vfs_write+0xc1c/0xf40 [ 48.382720][ T502] ? kernel_write+0x3c0/0x3c0 [ 48.387386][ T502] ? mutex_trylock+0xb0/0xb0 [ 48.392269][ T502] ? __fdget_pos+0x26d/0x310 [ 48.397100][ T502] ? ksys_write+0x77/0x2c0 [ 48.402116][ T502] ksys_write+0x198/0x2c0 [ 48.406835][ T502] ? __ia32_sys_read+0x90/0x90 [ 48.412259][ T502] ? debug_smp_processor_id+0x17/0x20 [ 48.418282][ T502] __x64_sys_write+0x7b/0x90 [ 48.423288][ T502] do_syscall_64+0x34/0x70 [ 48.427791][ T502] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.434819][ T502] RIP: 0033:0x7effca6dd0e9 [ 48.439659][ T502] 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 [ 48.460101][ T502] RSP: 002b:00007effca632168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.469344][ T502] RAX: ffffffffffffffda RBX: 00007effca7f0030 RCX: 00007effca6dd0e9 [ 48.478165][ T502] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.487685][ T502] RBP: 00007effca6321d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.496839][ T502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.505059][ T502] R13: 00007ffd589e604f R14: 00007effca632300 R15: 0000000000022000 [ 48.594260][ T483] FAULT_INJECTION: forcing a failure. [ 48.594260][ T483] name failslab, interval 1, probability 0, space 0, times 0 [ 48.608369][ T483] CPU: 1 PID: 483 Comm: syz-executor.1 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 48.620061][ T483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.630325][ T483] Call Trace: [ 48.633614][ T483] dump_stack_lvl+0x1e2/0x24b [ 48.639105][ T483] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.644567][ T483] ? selinux_kernfs_init_security+0x1a8/0x760 [ 48.651305][ T483] dump_stack+0x15/0x17 [ 48.655553][ T483] should_fail+0x3c0/0x510 [ 48.659974][ T483] ? __kernfs_new_node+0x99/0x6e0 [ 48.664977][ T483] __should_failslab+0x9f/0xe0 [ 48.669723][ T483] should_failslab+0x9/0x20 [ 48.674208][ T483] __kmalloc_track_caller+0x5f/0x350 [ 48.679562][ T483] kstrdup_const+0x55/0x90 [ 48.683965][ T483] __kernfs_new_node+0x99/0x6e0 [ 48.688798][ T483] ? is_module_text_address+0xe1/0x140 [ 48.694239][ T483] ? kernfs_new_node+0x170/0x170 [ 48.699249][ T483] ? ptr_to_hashval+0x60/0x60 [ 48.703902][ T483] ? arch_stack_walk+0xf8/0x140 [ 48.708761][ T483] ? snprintf+0xd6/0x120 [ 48.713694][ T483] kernfs_new_node+0x97/0x170 [ 48.718516][ T483] __kernfs_create_file+0x4a/0x270 [ 48.723632][ T483] cgroup_addrm_files+0xab8/0xfe0 [ 48.728631][ T483] ? ____kasan_kmalloc+0xdc/0x110 [ 48.733633][ T483] ? __kasan_kmalloc+0x9/0x10 [ 48.738287][ T483] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 48.743894][ T483] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 48.750056][ T483] ? delete_node+0x759/0x7b0 [ 48.754710][ T483] ? __kasan_check_read+0x11/0x20 [ 48.759720][ T483] ? delete_node+0x759/0x7b0 [ 48.764292][ T483] ? __kasan_check_write+0x14/0x20 [ 48.769381][ T483] ? idr_replace+0x1c4/0x230 [ 48.773947][ T483] ? idr_get_next+0x4b0/0x4b0 [ 48.778816][ T483] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 48.783820][ T483] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 48.789013][ T483] css_populate_dir+0x137/0x370 [ 48.793848][ T483] cgroup_apply_control_enable+0x8b9/0x12f0 [ 48.799724][ T483] cgroup_apply_control+0x93/0x710 [ 48.804814][ T483] ? css_next_child+0x160/0x160 [ 48.809648][ T483] ? io_schedule+0x120/0x120 [ 48.814218][ T483] ? kernfs_fop_write_iter+0x15e/0x410 [ 48.819655][ T483] ? __kasan_check_write+0x14/0x20 [ 48.824748][ T483] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.830096][ T483] cgroup_subtree_control_write+0xd19/0x1310 [ 48.836050][ T483] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.842149][ T483] ? __kasan_check_write+0x14/0x20 [ 48.847246][ T483] ? _copy_from_iter+0x3fb/0xd60 [ 48.852460][ T483] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.858602][ T483] cgroup_file_write+0x28e/0x590 [ 48.863668][ T483] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.868787][ T483] ? mutex_lock+0xa6/0x110 [ 48.873616][ T483] ? mutex_trylock+0xb0/0xb0 [ 48.879089][ T483] ? __kasan_check_write+0x14/0x20 [ 48.884412][ T483] kernfs_fop_write_iter+0x2d0/0x410 [ 48.890152][ T483] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.895316][ T483] vfs_write+0xc1c/0xf40 [ 48.899572][ T483] ? kernel_write+0x3c0/0x3c0 [ 48.904241][ T483] ? mutex_trylock+0xb0/0xb0 [ 48.908813][ T483] ? __fdget_pos+0x26d/0x310 [ 48.913379][ T483] ? ksys_write+0x77/0x2c0 [ 48.917795][ T483] ksys_write+0x198/0x2c0 [ 48.922120][ T483] ? __ia32_sys_read+0x90/0x90 [ 48.926880][ T483] ? debug_smp_processor_id+0x17/0x20 [ 48.932328][ T483] __x64_sys_write+0x7b/0x90 [ 48.937038][ T483] do_syscall_64+0x34/0x70 [ 48.941463][ T483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.948823][ T483] RIP: 0033:0x7ff0c67fe0e9 [ 48.953227][ T483] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.973598][ T483] RSP: 002b:00007ff0c6753168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.982102][ T483] RAX: ffffffffffffffda RBX: 00007ff0c6911030 RCX: 00007ff0c67fe0e9 [ 48.990073][ T483] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.998317][ T483] RBP: 00007ff0c67531d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.007063][ T483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.016416][ T483] R13: 00007ffc9048adaf R14: 00007ff0c6753300 R15: 0000000000022000 [ 49.024977][ T483] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.091570][ T510] FAULT_INJECTION: forcing a failure. [ 49.091570][ T510] name failslab, interval 1, probability 0, space 0, times 0 [ 49.104477][ T510] CPU: 1 PID: 510 Comm: syz-executor.3 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 49.116194][ T510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.126409][ T510] Call Trace: [ 49.129699][ T510] dump_stack_lvl+0x1e2/0x24b [ 49.134363][ T510] ? panic+0x7d7/0x7d7 [ 49.138413][ T510] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.143853][ T510] ? find_next_bit+0xd6/0x120 [ 49.148513][ T510] ? cpumask_next+0x11/0x30 [ 49.153007][ T510] dump_stack+0x15/0x17 [ 49.157150][ T510] should_fail+0x3c0/0x510 [ 49.161573][ T510] ? percpu_ref_init+0xd0/0x330 [ 49.166440][ T510] __should_failslab+0x9f/0xe0 [ 49.171204][ T510] should_failslab+0x9/0x20 [ 49.175701][ T510] kmem_cache_alloc_trace+0x3a/0x330 [ 49.180979][ T510] percpu_ref_init+0xd0/0x330 [ 49.185671][ T510] ? cgroup_setup_root+0xea0/0xea0 [ 49.190804][ T510] cgroup_apply_control_enable+0x3a2/0x12f0 [ 49.196693][ T510] cgroup_apply_control+0x93/0x710 [ 49.201885][ T510] ? css_next_child+0x160/0x160 [ 49.206724][ T510] ? release_task_stack+0x529/0x660 [ 49.212081][ T510] ? io_schedule+0x120/0x120 [ 49.216655][ T510] ? kernfs_fop_write_iter+0x15e/0x410 [ 49.222094][ T510] ? __kasan_check_write+0x14/0x20 [ 49.227209][ T510] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 49.232490][ T510] cgroup_subtree_control_write+0xd19/0x1310 [ 49.238463][ T510] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.244555][ T510] ? __kasan_check_write+0x14/0x20 [ 49.249674][ T510] ? _copy_from_iter+0x3fb/0xd60 [ 49.254692][ T510] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.260939][ T510] cgroup_file_write+0x28e/0x590 [ 49.265872][ T510] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.270980][ T510] ? mutex_lock+0xa6/0x110 [ 49.275479][ T510] ? mutex_trylock+0xb0/0xb0 [ 49.280232][ T510] ? __kasan_check_write+0x14/0x20 [ 49.285441][ T510] kernfs_fop_write_iter+0x2d0/0x410 [ 49.291027][ T510] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.296333][ T510] vfs_write+0xc1c/0xf40 [ 49.300572][ T510] ? kernel_write+0x3c0/0x3c0 [ 49.305242][ T510] ? mutex_trylock+0xb0/0xb0 [ 49.309820][ T510] ? __fdget_pos+0x26d/0x310 [ 49.314916][ T510] ? ksys_write+0x77/0x2c0 [ 49.319350][ T510] ksys_write+0x198/0x2c0 [ 49.323846][ T510] ? __ia32_sys_read+0x90/0x90 [ 49.328600][ T510] ? debug_smp_processor_id+0x17/0x20 [ 49.334040][ T510] __x64_sys_write+0x7b/0x90 [ 49.338622][ T510] do_syscall_64+0x34/0x70 [ 49.343022][ T510] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.348905][ T510] RIP: 0033:0x7f0c8cc490e9 [ 49.353315][ T510] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.373115][ T510] RSP: 002b:00007f0c8cb9e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.381523][ T510] RAX: ffffffffffffffda RBX: 00007f0c8cd5c030 RCX: 00007f0c8cc490e9 [ 49.389482][ T510] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.397545][ T510] RBP: 00007f0c8cb9e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.405505][ T510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.413559][ T510] R13: 00007fff3e26826f R14: 00007f0c8cb9e300 R15: 0000000000022000 [ 49.444193][ T486] FAULT_INJECTION: forcing a failure. [ 49.444193][ T486] name failslab, interval 1, probability 0, space 0, times 0 [ 49.457093][ T486] CPU: 0 PID: 486 Comm: syz-executor.5 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 49.469206][ T486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.479253][ T486] Call Trace: [ 49.482541][ T486] dump_stack_lvl+0x1e2/0x24b [ 49.487210][ T486] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.492651][ T486] ? selinux_kernfs_init_security+0x1a8/0x760 [ 49.498775][ T486] dump_stack+0x15/0x17 [ 49.502935][ T486] should_fail+0x3c0/0x510 [ 49.507335][ T486] ? __kernfs_new_node+0x99/0x6e0 [ 49.512372][ T486] __should_failslab+0x9f/0xe0 [ 49.517446][ T486] should_failslab+0x9/0x20 [ 49.521940][ T486] __kmalloc_track_caller+0x5f/0x350 [ 49.527211][ T486] kstrdup_const+0x55/0x90 [ 49.531745][ T486] __kernfs_new_node+0x99/0x6e0 [ 49.536597][ T486] ? is_module_text_address+0xe1/0x140 [ 49.542045][ T486] ? kernfs_new_node+0x170/0x170 [ 49.547189][ T486] ? ptr_to_hashval+0x60/0x60 [ 49.551982][ T486] ? arch_stack_walk+0xf8/0x140 [ 49.556841][ T486] ? snprintf+0xd6/0x120 [ 49.561071][ T486] kernfs_new_node+0x97/0x170 [ 49.565757][ T486] __kernfs_create_file+0x4a/0x270 [ 49.570858][ T486] cgroup_addrm_files+0xab8/0xfe0 [ 49.575878][ T486] ? ____kasan_kmalloc+0xdc/0x110 [ 49.580940][ T486] ? __kasan_kmalloc+0x9/0x10 [ 49.585621][ T486] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 49.591246][ T486] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 49.597425][ T486] ? delete_node+0x759/0x7b0 [ 49.602104][ T486] ? __kasan_check_read+0x11/0x20 [ 49.607257][ T486] ? delete_node+0x759/0x7b0 [ 49.611828][ T486] ? __kasan_check_write+0x14/0x20 [ 49.616929][ T486] ? idr_replace+0x1c4/0x230 [ 49.621605][ T486] ? idr_get_next+0x4b0/0x4b0 [ 49.626280][ T486] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 49.631298][ T486] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 49.636678][ T486] css_populate_dir+0x137/0x370 [ 49.641526][ T486] cgroup_apply_control_enable+0x8b9/0x12f0 [ 49.647545][ T486] cgroup_apply_control+0x93/0x710 [ 49.652662][ T486] ? css_next_child+0x160/0x160 [ 49.657521][ T486] ? io_schedule+0x120/0x120 [ 49.662095][ T486] ? kernfs_fop_write_iter+0x15e/0x410 [ 49.667624][ T486] ? __kasan_check_write+0x14/0x20 [ 49.672823][ T486] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 49.678105][ T486] cgroup_subtree_control_write+0xd19/0x1310 [ 49.684213][ T486] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.690363][ T486] ? __kasan_check_write+0x14/0x20 [ 49.695657][ T486] ? _copy_from_iter+0x3fb/0xd60 [ 49.700605][ T486] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.706583][ T486] cgroup_file_write+0x28e/0x590 [ 49.711726][ T486] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.716841][ T486] ? mutex_lock+0xa6/0x110 [ 49.721450][ T486] ? mutex_trylock+0xb0/0xb0 [ 49.726098][ T486] ? __kasan_check_write+0x14/0x20 [ 49.731228][ T486] kernfs_fop_write_iter+0x2d0/0x410 [ 49.737751][ T486] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.743684][ T486] vfs_write+0xc1c/0xf40 [ 49.748143][ T486] ? kernel_write+0x3c0/0x3c0 [ 49.753173][ T486] ? mutex_trylock+0xb0/0xb0 [ 49.758388][ T486] ? __fdget_pos+0x26d/0x310 [ 49.763209][ T486] ? ksys_write+0x77/0x2c0 [ 49.768028][ T486] ksys_write+0x198/0x2c0 [ 49.772479][ T486] ? __ia32_sys_read+0x90/0x90 [ 49.777362][ T486] ? debug_smp_processor_id+0x17/0x20 [ 49.783176][ T486] __x64_sys_write+0x7b/0x90 [ 49.787850][ T486] do_syscall_64+0x34/0x70 [ 49.792385][ T486] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.798317][ T486] RIP: 0033:0x7fa608f190e9 [ 49.803229][ 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 [ 49.823156][ T486] RSP: 002b:00007fa608e6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.831768][ T486] RAX: ffffffffffffffda RBX: 00007fa60902c030 RCX: 00007fa608f190e9 [ 49.839928][ T486] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.848062][ T486] RBP: 00007fa608e6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.856111][ T486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.864066][ T486] R13: 00007ffe6d529fef R14: 00007fa608e6e300 R15: 0000000000022000 [ 49.872426][ T486] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.884131][ T418] ------------[ cut here ]------------ [ 49.889655][ T418] WARNING: CPU: 0 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 49.898653][ T418] Modules linked in: [ 49.902567][ T418] CPU: 0 PID: 418 Comm: syz-executor.5 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 49.914548][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.924700][ T418] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 49.930351][ T418] Code: 48 c7 c2 40 03 04 86 e8 34 e6 8e ff e9 8b fc ff ff e8 7a 20 b6 ff e9 81 fc ff ff e8 70 20 b6 ff e9 77 fc ff ff e8 66 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 5a 20 b6 ff e8 25 ac a2 ff e9 ea fc ff ff [ 49.950229][ T418] RSP: 0018:ffffc90000f27ba0 EFLAGS: 00010293 [ 49.956453][ T418] RAX: ffffffff81b6994a RBX: 00000000ffffffff RCX: ffff8881065fbb40 [ 49.964590][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 49.972571][ T418] RBP: ffffc90000f27c70 R08: ffffffff81b69638 R09: 0000000000000003 [ 49.980600][ T418] R10: fffff520001e4f65 R11: 1ffff920001e4f64 R12: dffffc0000000000 [ 49.988626][ T418] R13: ffff88811e3fc700 R14: ffffc90000f27c00 R15: 1ffff920001e4f7c [ 49.996718][ T418] FS: 00005555559ef400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 50.006118][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.012692][ T418] CR2: 00007ffe6d528fe0 CR3: 000000010c1a5000 CR4: 00000000003506b0 [ 50.020760][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.028737][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.036776][ T418] Call Trace: [ 50.040086][ T418] ? io_schedule+0x120/0x120 [ 50.045311][ T418] ? vfs_submount+0xb0/0xb0 [ 50.050103][ T418] ? shrink_dentry_list+0x4ec/0x500 [ 50.055353][ T418] namespace_unlock+0x448/0x4f0 [ 50.060213][ T418] ? umount_tree+0xf50/0xf50 [ 50.064904][ T418] ? __detach_mounts+0x670/0x670 [ 50.069826][ T418] ? selinux_umount+0xf0/0x130 [ 50.074696][ T418] path_umount+0xf03/0xfb0 [ 50.079101][ T418] ? namespace_unlock+0x4f0/0x4f0 [ 50.084174][ T418] ? user_path_at_empty+0x40/0x50 [ 50.089227][ T418] __x64_sys_umount+0x122/0x170 [ 50.094110][ T418] ? path_umount+0xfb0/0xfb0 [ 50.098713][ T418] do_syscall_64+0x34/0x70 [ 50.103135][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.109059][ T418] RIP: 0033:0x7fa608f1a557 [ 50.113463][ T418] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.133104][ T418] RSP: 002b:00007ffe6d529148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 50.141529][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa608f1a557 [ 50.149599][ T418] RDX: 00007ffe6d529219 RSI: 000000000000000a RDI: 00007ffe6d529210 [ 50.157676][ T418] RBP: 00007ffe6d529210 R08: 00000000ffffffff R09: 00007ffe6d528fe0 [ 50.165748][ T418] R10: 00005555559f0ba3 R11: 0000000000000246 R12: 00007fa608f721f8 [ 50.173846][ T418] R13: 00007ffe6d52a2d0 R14: 00005555559f0b00 R15: 00007ffe6d52a310 [ 50.181830][ T418] ---[ end trace 68bd702982a06102 ]--- [ 50.189141][ T418] ------------[ cut here ]------------ [ 50.194656][ T418] WARNING: CPU: 0 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 50.203572][ T418] Modules linked in: [ 50.207488][ T418] CPU: 0 PID: 418 Comm: syz-executor.5 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 50.219227][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.229606][ T418] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 50.235458][ T418] Code: 48 c7 c2 40 03 04 86 e8 34 e6 8e ff e9 8b fc ff ff e8 7a 20 b6 ff e9 81 fc ff ff e8 70 20 b6 ff e9 77 fc ff ff e8 66 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 5a 20 b6 ff e8 25 ac a2 ff e9 ea fc ff ff [ 50.255187][ T418] RSP: 0018:ffffc90000f27ca0 EFLAGS: 00010293 [ 50.261264][ T418] RAX: ffffffff81b6994a RBX: 00000000fffffffe RCX: ffff8881065fbb40 [ 50.271077][ T418] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 50.279058][ T418] RBP: ffffc90000f27d70 R08: ffffffff81b69638 R09: 0000000000000003 [ 50.287133][ T418] R10: fffff520001e4f85 R11: 1ffff920001e4f84 R12: dffffc0000000000 [ 50.295301][ T418] R13: ffff88811e3fc700 R14: ffffc90000f27d00 R15: 1ffff920001e4f9c [ 50.303873][ T418] FS: 00005555559ef400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 50.313466][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.320255][ T418] CR2: 00007ffe6d528fe0 CR3: 000000010c1a5000 CR4: 00000000003506b0 [ 50.330022][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.338436][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.347005][ T418] Call Trace: [ 50.350323][ T418] ? lockref_get_or_lock+0x340/0x340 [ 50.355782][ T418] ? umount_tree+0xf50/0xf50 [ 50.360465][ T418] ? vfs_submount+0xb0/0xb0 [ 50.365022][ T418] ? dput+0x2b6/0x320 [ 50.369303][ T418] path_umount+0x1fe/0xfb0 [ 50.373792][ T418] ? namespace_unlock+0x4f0/0x4f0 [ 50.379059][ T418] ? user_path_at_empty+0x40/0x50 [ 50.384404][ T418] __x64_sys_umount+0x122/0x170 [ 50.389390][ T418] ? path_umount+0xfb0/0xfb0 [ 50.394128][ T418] do_syscall_64+0x34/0x70 [ 50.398558][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.404703][ T418] RIP: 0033:0x7fa608f1a557 [ 50.409239][ T418] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.430465][ T418] RSP: 002b:00007ffe6d529148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 50.439181][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa608f1a557 [ 50.447351][ T418] RDX: 00007ffe6d529219 RSI: 000000000000000a RDI: 00007ffe6d529210 [ 50.455351][ T418] RBP: 00007ffe6d529210 R08: 00000000ffffffff R09: 00007ffe6d528fe0 [ 50.463314][ T418] R10: 00005555559f0ba3 R11: 0000000000000246 R12: 00007fa608f721f8 [ 50.471510][ T418] R13: 00007ffe6d52a2d0 R14: 00005555559f0b00 R15: 00007ffe6d52a310 [ 50.479708][ T418] ---[ end trace 68bd702982a06103 ]--- [ 50.495189][ T516] FAULT_INJECTION: forcing a failure. [ 50.495189][ T516] name failslab, interval 1, probability 0, space 0, times 0 [ 50.508339][ T516] CPU: 1 PID: 516 Comm: syz-executor.1 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 50.520524][ T516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.530831][ T516] Call Trace: [ 50.534243][ T516] dump_stack_lvl+0x1e2/0x24b [ 50.538964][ T516] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.544529][ T516] ? selinux_kernfs_init_security+0x1a8/0x760 [ 50.551131][ T516] dump_stack+0x15/0x17 [ 50.555377][ T516] should_fail+0x3c0/0x510 [ 50.559789][ T516] ? __kernfs_new_node+0x99/0x6e0 [ 50.565026][ T516] __should_failslab+0x9f/0xe0 [ 50.569883][ T516] should_failslab+0x9/0x20 [ 50.574442][ T516] __kmalloc_track_caller+0x5f/0x350 [ 50.579883][ T516] kstrdup_const+0x55/0x90 [ 50.584465][ T516] __kernfs_new_node+0x99/0x6e0 [ 50.589453][ T516] ? is_module_text_address+0xe1/0x140 [ 50.594974][ T516] ? kernfs_new_node+0x170/0x170 [ 50.599926][ T516] ? ptr_to_hashval+0x60/0x60 [ 50.604655][ T516] ? arch_stack_walk+0xf8/0x140 [ 50.609677][ T516] ? snprintf+0xd6/0x120 [ 50.614014][ T516] kernfs_new_node+0x97/0x170 [ 50.619156][ T516] __kernfs_create_file+0x4a/0x270 [ 50.624264][ T516] cgroup_addrm_files+0xab8/0xfe0 [ 50.629276][ T516] ? ____kasan_kmalloc+0xdc/0x110 [ 50.634463][ T516] ? __kasan_kmalloc+0x9/0x10 [ 50.639145][ T516] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 50.644696][ T516] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 50.650834][ T516] ? delete_node+0x759/0x7b0 [ 50.655813][ T516] ? __kasan_check_read+0x11/0x20 [ 50.660848][ T516] ? delete_node+0x759/0x7b0 [ 50.665437][ T516] ? __kasan_check_write+0x14/0x20 [ 50.670565][ T516] ? idr_replace+0x1c4/0x230 [ 50.675176][ T516] ? idr_get_next+0x4b0/0x4b0 [ 50.680004][ T516] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 50.685149][ T516] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 50.690343][ T516] css_populate_dir+0x137/0x370 [ 50.695195][ T516] cgroup_apply_control_enable+0x8b9/0x12f0 [ 50.701108][ T516] cgroup_apply_control+0x93/0x710 [ 50.706339][ T516] ? css_next_child+0x160/0x160 [ 50.711240][ T516] ? release_task_stack+0x4c2/0x660 [ 50.716559][ T516] ? io_schedule+0x120/0x120 [ 50.721627][ T516] ? kernfs_fop_write_iter+0x15e/0x410 [ 50.727548][ T516] ? __kasan_check_write+0x14/0x20 [ 50.732665][ T516] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 50.738309][ T516] cgroup_subtree_control_write+0xd19/0x1310 [ 50.744280][ T516] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.750475][ T516] ? __kasan_check_write+0x14/0x20 [ 50.755589][ T516] ? _copy_from_iter+0x3fb/0xd60 [ 50.760533][ T516] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.766525][ T516] cgroup_file_write+0x28e/0x590 [ 50.771494][ T516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.776830][ T516] ? mutex_lock+0xa6/0x110 [ 50.781276][ T516] ? mutex_trylock+0xb0/0xb0 [ 50.785985][ T516] ? __kasan_check_write+0x14/0x20 [ 50.791097][ T516] kernfs_fop_write_iter+0x2d0/0x410 [ 50.796402][ T516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.801689][ T516] vfs_write+0xc1c/0xf40 [ 50.805959][ T516] ? kernel_write+0x3c0/0x3c0 [ 50.810634][ T516] ? mutex_trylock+0xb0/0xb0 [ 50.815237][ T516] ? __fdget_pos+0x26d/0x310 [ 50.819913][ T516] ? ksys_write+0x77/0x2c0 [ 50.824328][ T516] ksys_write+0x198/0x2c0 [ 50.828840][ T516] ? __ia32_sys_read+0x90/0x90 [ 50.833607][ T516] ? debug_smp_processor_id+0x17/0x20 [ 50.839243][ T516] __x64_sys_write+0x7b/0x90 [ 50.843853][ T516] do_syscall_64+0x34/0x70 [ 50.848306][ T516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.854535][ T516] RIP: 0033:0x7ff0c67fe0e9 [ 50.858956][ T516] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.878648][ T516] RSP: 002b:00007ff0c6753168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.887060][ T516] RAX: ffffffffffffffda RBX: 00007ff0c6911030 RCX: 00007ff0c67fe0e9 [ 50.895034][ T516] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.903174][ T516] RBP: 00007ff0c67531d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.911128][ T516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.919081][ T516] R13: 00007ffc9048adaf R14: 00007ff0c6753300 R15: 0000000000022000 [ 50.928528][ T516] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.954750][ T414] ------------[ cut here ]------------ [ 50.960268][ T414] WARNING: CPU: 1 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 50.969516][ T414] Modules linked in: [ 50.973429][ T414] CPU: 1 PID: 414 Comm: syz-executor.1 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 50.984096][ T513] FAULT_INJECTION: forcing a failure. [ 50.984096][ T513] name failslab, interval 1, probability 0, space 0, times 0 [ 50.985091][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.007883][ T414] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 51.013719][ T513] CPU: 0 PID: 513 Comm: syz-executor.0 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 51.013968][ T414] Code: 48 c7 c2 40 03 04 86 e8 34 e6 8e ff e9 8b fc ff ff e8 7a 20 b6 ff e9 81 fc ff ff e8 70 20 b6 ff e9 77 fc ff ff e8 66 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 5a 20 b6 ff e8 25 ac a2 ff e9 ea fc ff ff [ 51.025916][ T513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.025919][ T513] Call Trace: [ 51.025946][ T513] dump_stack_lvl+0x1e2/0x24b [ 51.045543][ T414] RSP: 0018:ffffc90000ee7ba0 EFLAGS: 00010293 [ 51.055581][ T513] ? panic+0x7d7/0x7d7 [ 51.055592][ T513] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.055602][ T513] ? find_next_bit+0xd6/0x120 [ 51.055621][ T513] ? cpumask_next+0x11/0x30 [ 51.058886][ T414] [ 51.063551][ T513] dump_stack+0x15/0x17 [ 51.069612][ T414] RAX: ffffffff81b6994a RBX: 00000000fffffffd RCX: ffff8881067de2c0 [ 51.073636][ T513] should_fail+0x3c0/0x510 [ 51.079161][ T414] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 51.083799][ T513] ? percpu_ref_init+0xd0/0x330 [ 51.083816][ T513] __should_failslab+0x9f/0xe0 [ 51.088378][ T414] RBP: ffffc90000ee7c70 R08: ffffffff81b69638 R09: 0000000000000003 [ 51.090687][ T513] should_failslab+0x9/0x20 [ 51.094833][ T414] R10: fffff520001dcf65 R11: 1ffff920001dcf64 R12: dffffc0000000000 [ 51.102782][ T513] kmem_cache_alloc_trace+0x3a/0x330 [ 51.107269][ T414] R13: ffff8881116f2fc0 R14: ffffc90000ee7c00 R15: 1ffff920001dcf7c [ 51.115206][ T513] percpu_ref_init+0xd0/0x330 [ 51.115229][ T513] ? cgroup_setup_root+0xea0/0xea0 [ 51.120053][ T414] FS: 00005555557d1400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 51.124958][ T513] cgroup_apply_control_enable+0x3a2/0x12f0 [ 51.124975][ T513] cgroup_apply_control+0x93/0x710 [ 51.133008][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.137666][ T513] ? css_next_child+0x160/0x160 [ 51.137678][ T513] ? release_task_stack+0x529/0x660 [ 51.137696][ T513] ? io_schedule+0x120/0x120 [ 51.145653][ T414] CR2: 00005555557dab38 CR3: 00000001178a7000 CR4: 00000000003506a0 [ 51.151028][ T513] ? kernfs_fop_write_iter+0x15e/0x410 [ 51.159162][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.163890][ T513] ? __kasan_check_write+0x14/0x20 [ 51.163906][ T513] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 51.169000][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.169008][ T414] Call Trace: [ 51.178014][ T513] cgroup_subtree_control_write+0xd19/0x1310 [ 51.178032][ T513] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.183909][ T414] ? io_schedule+0x120/0x120 [ 51.189106][ T513] ? __kasan_check_write+0x14/0x20 [ 51.195712][ T414] ? vfs_submount+0xb0/0xb0 [ 51.200507][ T513] ? _copy_from_iter+0x3fb/0xd60 [ 51.205724][ T414] ? shrink_dentry_list+0x4ec/0x500 [ 51.210281][ T513] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.218494][ T414] namespace_unlock+0x448/0x4f0 [ 51.223894][ T513] cgroup_file_write+0x28e/0x590 [ 51.223911][ T513] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.232110][ T414] ? umount_tree+0xf50/0xf50 [ 51.237404][ T513] ? mutex_lock+0xa6/0x110 [ 51.237415][ T513] ? mutex_trylock+0xb0/0xb0 [ 51.237426][ T513] ? __kasan_check_write+0x14/0x20 [ 51.237444][ T513] kernfs_fop_write_iter+0x2d0/0x410 [ 51.242795][ T414] ? __detach_mounts+0x670/0x670 [ 51.250865][ T513] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.250876][ T513] vfs_write+0xc1c/0xf40 [ 51.250886][ T513] ? kernel_write+0x3c0/0x3c0 [ 51.250905][ T513] ? mutex_trylock+0xb0/0xb0 [ 51.254208][ T414] ? selinux_umount+0xf0/0x130 [ 51.260409][ T513] ? __fdget_pos+0x26d/0x310 [ 51.266652][ T414] path_umount+0xf03/0xfb0 [ 51.271365][ T513] ? ksys_write+0x77/0x2c0 [ 51.276470][ T414] ? namespace_unlock+0x4f0/0x4f0 [ 51.281016][ T513] ksys_write+0x198/0x2c0 [ 51.285945][ T414] ? user_path_at_empty+0x40/0x50 [ 51.291359][ T513] ? __ia32_sys_read+0x90/0x90 [ 51.297320][ T414] __x64_sys_umount+0x122/0x170 [ 51.302226][ T513] ? debug_smp_processor_id+0x17/0x20 [ 51.307145][ T414] ? path_umount+0xfb0/0xfb0 [ 51.312325][ T513] __x64_sys_write+0x7b/0x90 [ 51.316918][ T414] ? debug_smp_processor_id+0x17/0x20 [ 51.321390][ T513] do_syscall_64+0x34/0x70 [ 51.325961][ T414] do_syscall_64+0x34/0x70 [ 51.331224][ T513] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.336690][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.341869][ T513] RIP: 0033:0x7f821d2c50e9 [ 51.346960][ T414] RIP: 0033:0x7ff0c67ff557 [ 51.351170][ T513] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.355915][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.360467][ T513] RSP: 002b:00007f821d21a168 EFLAGS: 00000246 [ 51.365210][ T414] RSP: 002b:00007ffc90489f08 EFLAGS: 00000246 [ 51.370034][ T513] ORIG_RAX: 0000000000000001 [ 51.374829][ T414] ORIG_RAX: 00000000000000a6 [ 51.379217][ T513] RAX: ffffffffffffffda RBX: 00007f821d3d8030 RCX: 00007f821d2c50e9 [ 51.384320][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0c67ff557 [ 51.388632][ T513] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.393635][ T414] RDX: 00007ffc90489fd9 RSI: 000000000000000a RDI: 00007ffc90489fd0 [ 51.398450][ T513] RBP: 00007f821d21a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.398456][ T513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.398462][ T513] R13: 00007ffffa9a2f4f R14: 00007f821d21a300 R15: 0000000000022000 [ 51.574256][ T414] RBP: 00007ffc90489fd0 R08: 00000000ffffffff R09: 00007ffc90489da0 [ 51.582214][ T414] R10: 00005555557d2ba3 R11: 0000000000000246 R12: 00007ff0c68571f8 [ 51.590196][ T414] R13: 00007ffc9048b090 R14: 00005555557d2b00 R15: 00007ffc9048b0d0 [ 51.598182][ T414] ---[ end trace 68bd702982a06104 ]--- [ 51.617016][ T414] ------------[ cut here ]------------ [ 51.622537][ T414] WARNING: CPU: 1 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 51.631801][ T414] Modules linked in: [ 51.636589][ T414] CPU: 1 PID: 414 Comm: syz-executor.1 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 51.648563][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.658669][ T414] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 51.664327][ T414] Code: 48 c7 c2 40 03 04 86 e8 34 e6 8e ff e9 8b fc ff ff e8 7a 20 b6 ff e9 81 fc ff ff e8 70 20 b6 ff e9 77 fc ff ff e8 66 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 5a 20 b6 ff e8 25 ac a2 ff e9 ea fc ff ff [ 51.684400][ T414] RSP: 0018:ffffc90000ee7ca0 EFLAGS: 00010293 [ 51.690654][ T414] RAX: ffffffff81b6994a RBX: 00000000fffffffc RCX: ffff8881067de2c0 [ 51.698668][ T414] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: 0000000000000000 [ 51.706812][ T414] RBP: ffffc90000ee7d70 R08: ffffffff81b69638 R09: 0000000000000003 [ 51.714960][ T414] R10: fffff520001dcf85 R11: 1ffff920001dcf84 R12: dffffc0000000000 [ 51.722942][ T414] R13: ffff8881116f2fc0 R14: ffffc90000ee7d00 R15: 1ffff920001dcf9c [ 51.730971][ T414] FS: 00005555557d1400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 51.739928][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.746627][ T414] CR2: 00007f821d3d9090 CR3: 00000001178a7000 CR4: 00000000003506a0 [ 51.754872][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.763177][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.771486][ T414] Call Trace: [ 51.774823][ T414] ? lockref_get_or_lock+0x340/0x340 [ 51.780445][ T414] ? umount_tree+0xf50/0xf50 [ 51.785062][ T414] ? vfs_submount+0xb0/0xb0 [ 51.789659][ T414] ? dput+0x2b6/0x320 [ 51.793626][ T414] path_umount+0x1fe/0xfb0 [ 51.798077][ T414] ? namespace_unlock+0x4f0/0x4f0 [ 51.803118][ T414] ? user_path_at_empty+0x40/0x50 [ 51.808191][ T414] __x64_sys_umount+0x122/0x170 [ 51.813066][ T414] ? path_umount+0xfb0/0xfb0 [ 51.817696][ T414] ? debug_smp_processor_id+0x17/0x20 [ 51.823110][ T414] do_syscall_64+0x34/0x70 [ 51.827573][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.833624][ T414] RIP: 0033:0x7ff0c67ff557 [ 51.839019][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.859421][ T414] RSP: 002b:00007ffc90489f08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 51.868125][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0c67ff557 [ 51.876404][ T414] RDX: 00007ffc90489fd9 RSI: 000000000000000a RDI: 00007ffc90489fd0 [ 51.884404][ T414] RBP: 00007ffc90489fd0 R08: 00000000ffffffff R09: 00007ffc90489da0 [ 51.892663][ T414] R10: 00005555557d2ba3 R11: 0000000000000246 R12: 00007ff0c68571f8 [ 51.900659][ T414] R13: 00007ffc9048b090 R14: 00005555557d2b00 R15: 00007ffc9048b0d0 [ 51.908644][ T414] ---[ end trace 68bd702982a06105 ]--- [ 51.921719][ T546] FAULT_INJECTION: forcing a failure. [ 51.921719][ T546] name failslab, interval 1, probability 0, space 0, times 0 [ 51.934775][ T546] CPU: 0 PID: 546 Comm: syz-executor.4 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 51.946470][ T546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.956782][ T546] Call Trace: [ 51.960466][ T546] dump_stack_lvl+0x1e2/0x24b [ 51.965158][ T546] ? panic+0x7d7/0x7d7 [ 51.969226][ T546] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.974793][ T546] ? find_next_bit+0xd6/0x120 [ 51.979465][ T546] ? cpumask_next+0x11/0x30 [ 51.983959][ T546] dump_stack+0x15/0x17 [ 51.988100][ T546] should_fail+0x3c0/0x510 [ 51.992501][ T546] ? percpu_ref_init+0xd0/0x330 [ 51.997337][ T546] __should_failslab+0x9f/0xe0 [ 52.002114][ T546] should_failslab+0x9/0x20 [ 52.006612][ T546] kmem_cache_alloc_trace+0x3a/0x330 [ 52.011878][ T546] percpu_ref_init+0xd0/0x330 [ 52.016543][ T546] ? cgroup_setup_root+0xea0/0xea0 [ 52.021636][ T546] cgroup_apply_control_enable+0x3a2/0x12f0 [ 52.027512][ T546] cgroup_apply_control+0x93/0x710 [ 52.032617][ T546] ? css_next_child+0x160/0x160 [ 52.037491][ T546] ? release_task_stack+0x529/0x660 [ 52.043126][ T546] ? io_schedule+0x120/0x120 [ 52.047724][ T546] ? kernfs_fop_write_iter+0x15e/0x410 [ 52.053188][ T546] ? __kasan_check_write+0x14/0x20 [ 52.058289][ T546] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 52.063567][ T546] cgroup_subtree_control_write+0xd19/0x1310 [ 52.069646][ T546] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.075638][ T546] ? __kasan_check_write+0x14/0x20 [ 52.080835][ T546] ? _copy_from_iter+0x3fb/0xd60 [ 52.085763][ T546] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.091937][ T546] cgroup_file_write+0x28e/0x590 [ 52.097075][ T546] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.102356][ T546] ? mutex_lock+0xa6/0x110 [ 52.106882][ T546] ? mutex_trylock+0xb0/0xb0 [ 52.111453][ T546] ? __kasan_check_write+0x14/0x20 [ 52.116557][ T546] kernfs_fop_write_iter+0x2d0/0x410 [ 52.122109][ T546] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.127220][ T546] vfs_write+0xc1c/0xf40 [ 52.131476][ T546] ? kernel_write+0x3c0/0x3c0 [ 52.136148][ T546] ? mutex_trylock+0xb0/0xb0 [ 52.140720][ T546] ? __fdget_pos+0x26d/0x310 [ 52.145297][ T546] ? ksys_write+0x77/0x2c0 [ 52.149706][ T546] ksys_write+0x198/0x2c0 [ 52.154024][ T546] ? __ia32_sys_read+0x90/0x90 [ 52.158779][ T546] ? debug_smp_processor_id+0x17/0x20 [ 52.164131][ T546] __x64_sys_write+0x7b/0x90 [ 52.168713][ T546] do_syscall_64+0x34/0x70 [ 52.173115][ T546] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.178990][ T546] RIP: 0033:0x7fc9578090e9 [ 52.183400][ T546] 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 [ 52.203000][ T546] RSP: 002b:00007fc95775e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.211402][ T546] RAX: ffffffffffffffda RBX: 00007fc95791c030 RCX: 00007fc9578090e9 [ 52.219365][ T546] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.227324][ T546] RBP: 00007fc95775e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.235377][ T546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.243665][ T546] R13: 00007ffdd66ef07f R14: 00007fc95775e300 R15: 0000000000022000 [ 52.274355][ T553] FAULT_INJECTION: forcing a failure. [ 52.274355][ T553] name failslab, interval 1, probability 0, space 0, times 0 [ 52.287208][ T553] CPU: 0 PID: 553 Comm: syz-executor.3 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 52.298828][ T553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.309923][ T553] Call Trace: [ 52.314123][ T553] dump_stack_lvl+0x1e2/0x24b [ 52.318809][ T553] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.324701][ T553] ? selinux_kernfs_init_security+0x1a8/0x760 [ 52.330826][ T553] dump_stack+0x15/0x17 [ 52.334978][ T553] should_fail+0x3c0/0x510 [ 52.339468][ T553] ? __kernfs_new_node+0x99/0x6e0 [ 52.344590][ T553] __should_failslab+0x9f/0xe0 [ 52.349492][ T553] should_failslab+0x9/0x20 [ 52.354513][ T553] __kmalloc_track_caller+0x5f/0x350 [ 52.359894][ T553] kstrdup_const+0x55/0x90 [ 52.364420][ T553] __kernfs_new_node+0x99/0x6e0 [ 52.369276][ T553] ? is_module_text_address+0xe1/0x140 [ 52.374745][ T553] ? kernfs_new_node+0x170/0x170 [ 52.379686][ T553] ? ptr_to_hashval+0x60/0x60 [ 52.384371][ T553] ? arch_stack_walk+0xf8/0x140 [ 52.389208][ T553] ? snprintf+0xd6/0x120 [ 52.393460][ T553] kernfs_new_node+0x97/0x170 [ 52.400254][ T553] __kernfs_create_file+0x4a/0x270 [ 52.405359][ T553] cgroup_addrm_files+0xab8/0xfe0 [ 52.410477][ T553] ? ____kasan_kmalloc+0xdc/0x110 [ 52.415635][ T553] ? __kasan_kmalloc+0x9/0x10 [ 52.420298][ T553] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 52.425832][ T553] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 52.432132][ T553] ? delete_node+0x759/0x7b0 [ 52.436707][ T553] ? __kasan_check_read+0x11/0x20 [ 52.441747][ T553] ? delete_node+0x759/0x7b0 [ 52.446342][ T553] ? __kasan_check_write+0x14/0x20 [ 52.451443][ T553] ? idr_replace+0x1c4/0x230 [ 52.456073][ T553] ? idr_get_next+0x4b0/0x4b0 [ 52.460910][ T553] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 52.466065][ T553] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 52.471278][ T553] css_populate_dir+0x137/0x370 [ 52.476211][ T553] cgroup_apply_control_enable+0x8b9/0x12f0 [ 52.482185][ T553] cgroup_apply_control+0x93/0x710 [ 52.487471][ T553] ? css_next_child+0x160/0x160 [ 52.492337][ T553] ? io_schedule+0x120/0x120 [ 52.497001][ T553] ? kernfs_fop_write_iter+0x15e/0x410 [ 52.502472][ T553] ? __kasan_check_write+0x14/0x20 [ 52.507589][ T553] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 52.513935][ T553] cgroup_subtree_control_write+0xd19/0x1310 [ 52.520247][ T553] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.526536][ T553] ? __kasan_check_write+0x14/0x20 [ 52.531753][ T553] ? _copy_from_iter+0x3fb/0xd60 [ 52.536692][ T553] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.542673][ T553] cgroup_file_write+0x28e/0x590 [ 52.547720][ T553] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.552998][ T553] ? mutex_lock+0xa6/0x110 [ 52.557411][ T553] ? mutex_trylock+0xb0/0xb0 [ 52.562245][ T553] ? __kasan_check_write+0x14/0x20 [ 52.567589][ T553] kernfs_fop_write_iter+0x2d0/0x410 [ 52.572916][ T553] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.578050][ T553] vfs_write+0xc1c/0xf40 [ 52.582530][ T553] ? kernel_write+0x3c0/0x3c0 [ 52.587211][ T553] ? mutex_trylock+0xb0/0xb0 [ 52.591799][ T553] ? __fdget_pos+0x26d/0x310 [ 52.596488][ T553] ? ksys_write+0x77/0x2c0 [ 52.600908][ T553] ksys_write+0x198/0x2c0 [ 52.605332][ T553] ? __ia32_sys_read+0x90/0x90 [ 52.610083][ T553] ? debug_smp_processor_id+0x17/0x20 [ 52.615440][ T553] __x64_sys_write+0x7b/0x90 [ 52.620323][ T553] do_syscall_64+0x34/0x70 [ 52.624934][ T553] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.630838][ T553] RIP: 0033:0x7f0c8cc490e9 [ 52.635253][ T553] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.655045][ T553] RSP: 002b:00007f0c8cb9e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.663464][ T553] RAX: ffffffffffffffda RBX: 00007f0c8cd5c030 RCX: 00007f0c8cc490e9 [ 52.671533][ T553] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.679494][ T553] RBP: 00007f0c8cb9e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.689022][ T553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.697083][ T553] R13: 00007fff3e26826f R14: 00007f0c8cb9e300 R15: 0000000000022000 [ 52.708703][ T553] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.734505][ T552] FAULT_INJECTION: forcing a failure. [ 52.734505][ T552] name failslab, interval 1, probability 0, space 0, times 0 [ 52.747476][ T552] CPU: 0 PID: 552 Comm: syz-executor.5 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 52.759107][ T552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.769410][ T552] Call Trace: [ 52.772692][ T552] dump_stack_lvl+0x1e2/0x24b [ 52.777357][ T552] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.782822][ T552] ? selinux_kernfs_init_security+0x1a8/0x760 [ 52.788984][ T552] dump_stack+0x15/0x17 [ 52.793121][ T552] should_fail+0x3c0/0x510 [ 52.798155][ T552] ? __kernfs_new_node+0x99/0x6e0 [ 52.803164][ T552] __should_failslab+0x9f/0xe0 [ 52.807926][ T552] should_failslab+0x9/0x20 [ 52.812411][ T552] __kmalloc_track_caller+0x5f/0x350 [ 52.817763][ T552] kstrdup_const+0x55/0x90 [ 52.825729][ T552] __kernfs_new_node+0x99/0x6e0 [ 52.830702][ T552] ? is_module_text_address+0xe1/0x140 [ 52.836160][ T552] ? kernfs_new_node+0x170/0x170 [ 52.841153][ T552] ? ptr_to_hashval+0x60/0x60 [ 52.846158][ T552] ? arch_stack_walk+0xf8/0x140 [ 52.851300][ T552] ? snprintf+0xd6/0x120 [ 52.855544][ T552] kernfs_new_node+0x97/0x170 [ 52.860226][ T552] __kernfs_create_file+0x4a/0x270 [ 52.865752][ T552] cgroup_addrm_files+0xab8/0xfe0 [ 52.870795][ T552] ? ____kasan_kmalloc+0xdc/0x110 [ 52.875800][ T552] ? __kasan_kmalloc+0x9/0x10 [ 52.880459][ T552] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 52.886076][ T552] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 52.892371][ T552] ? delete_node+0x759/0x7b0 [ 52.897059][ T552] ? __kasan_check_read+0x11/0x20 [ 52.902071][ T552] ? delete_node+0x759/0x7b0 [ 52.906644][ T552] ? __kasan_check_write+0x14/0x20 [ 52.911752][ T552] ? idr_replace+0x1c4/0x230 [ 52.916350][ T552] ? idr_get_next+0x4b0/0x4b0 [ 52.921005][ T552] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 52.926327][ T552] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 52.931530][ T552] css_populate_dir+0x137/0x370 [ 52.936733][ T552] cgroup_apply_control_enable+0x8b9/0x12f0 [ 52.942652][ T552] cgroup_apply_control+0x93/0x710 [ 52.947792][ T552] ? css_next_child+0x160/0x160 [ 52.954139][ T552] ? release_task_stack+0x529/0x660 [ 52.960189][ T552] ? io_schedule+0x120/0x120 [ 52.964761][ T552] ? kernfs_fop_write_iter+0x15e/0x410 [ 52.970321][ T552] ? __kasan_check_write+0x14/0x20 [ 52.976313][ T552] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 52.981580][ T552] cgroup_subtree_control_write+0xd19/0x1310 [ 52.987544][ T552] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.993600][ T552] ? __kasan_check_write+0x14/0x20 [ 52.998704][ T552] ? _copy_from_iter+0x3fb/0xd60 [ 53.003646][ T552] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.010874][ T552] cgroup_file_write+0x28e/0x590 [ 53.015795][ T552] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.020891][ T552] ? mutex_lock+0xa6/0x110 [ 53.025291][ T552] ? mutex_trylock+0xb0/0xb0 [ 53.029864][ T552] ? __kasan_check_write+0x14/0x20 [ 53.034953][ T552] kernfs_fop_write_iter+0x2d0/0x410 [ 53.040422][ T552] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.045526][ T552] vfs_write+0xc1c/0xf40 [ 53.049888][ T552] ? kernel_write+0x3c0/0x3c0 [ 53.054634][ T552] ? mutex_trylock+0xb0/0xb0 [ 53.059203][ T552] ? __fdget_pos+0x26d/0x310 [ 53.063769][ T552] ? ksys_write+0x77/0x2c0 [ 53.068338][ T552] ksys_write+0x198/0x2c0 [ 53.072965][ T552] ? __ia32_sys_read+0x90/0x90 [ 53.077854][ T552] ? debug_smp_processor_id+0x17/0x20 [ 53.083295][ T552] __x64_sys_write+0x7b/0x90 [ 53.087955][ T552] do_syscall_64+0x34/0x70 [ 53.092359][ T552] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.098530][ T552] RIP: 0033:0x7fa608f190e9 [ 53.102924][ T552] 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 [ 53.123906][ T552] RSP: 002b:00007fa608e6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 2022/05/12 18:58:57 executed programs: 41 [ 53.132318][ T552] RAX: ffffffffffffffda RBX: 00007fa60902c030 RCX: 00007fa608f190e9 [ 53.140366][ T552] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.148401][ T552] RBP: 00007fa608e6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.156452][ T552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.164519][ T552] R13: 00007ffe6d529fef R14: 00007fa608e6e300 R15: 0000000000022000 [ 53.176383][ T552] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 53.185014][ T418] ------------[ cut here ]------------ [ 53.190501][ T418] WARNING: CPU: 1 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 53.199547][ T418] Modules linked in: [ 53.203587][ T418] CPU: 1 PID: 418 Comm: syz-executor.5 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 53.215672][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.226247][ T418] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 53.232216][ T418] Code: 48 c7 c2 40 03 04 86 e8 34 e6 8e ff e9 8b fc ff ff e8 7a 20 b6 ff e9 81 fc ff ff e8 70 20 b6 ff e9 77 fc ff ff e8 66 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 5a 20 b6 ff e8 25 ac a2 ff e9 ea fc ff ff [ 53.252173][ T418] RSP: 0018:ffffc90000f27ca0 EFLAGS: 00010293 [ 53.258270][ T418] RAX: ffffffff81b6994a RBX: 00000000ffffffff RCX: ffff8881065fbb40 [ 53.266265][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 53.274303][ T418] RBP: ffffc90000f27d70 R08: ffffffff81b69638 R09: 0000000000000003 [ 53.282266][ T418] R10: fffff520001e4f85 R11: 1ffff920001e4f84 R12: dffffc0000000000 [ 53.290605][ T418] R13: ffff8881116f2c40 R14: ffffc90000f27d00 R15: 1ffff920001e4f9c [ 53.298593][ T418] FS: 00005555559ef400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 53.307670][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.314269][ T418] CR2: 00005555559f8b38 CR3: 000000010c1a5000 CR4: 00000000003506a0 [ 53.322243][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.330409][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.338567][ T418] Call Trace: [ 53.342288][ T418] ? lockref_get_or_lock+0x340/0x340 [ 53.347584][ T418] ? umount_tree+0xf50/0xf50 [ 53.352187][ T418] ? vfs_submount+0xb0/0xb0 [ 53.356992][ T418] ? dput+0x2b6/0x320 [ 53.360978][ T418] path_umount+0x1fe/0xfb0 [ 53.365630][ T418] ? namespace_unlock+0x4f0/0x4f0 [ 53.370656][ T418] ? user_path_at_empty+0x40/0x50 [ 53.375695][ T418] __x64_sys_umount+0x122/0x170 [ 53.380549][ T418] ? path_umount+0xfb0/0xfb0 [ 53.385147][ T418] ? debug_smp_processor_id+0x17/0x20 [ 53.390649][ T418] do_syscall_64+0x34/0x70 [ 53.395095][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.400997][ T418] RIP: 0033:0x7fa608f1a557 [ 53.405437][ T418] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.425048][ T418] RSP: 002b:00007ffe6d529148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 53.434245][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa608f1a557 [ 53.442518][ T418] RDX: 00007ffe6d529219 RSI: 000000000000000a RDI: 00007ffe6d529210 [ 53.450599][ T418] RBP: 00007ffe6d529210 R08: 00000000ffffffff R09: 00007ffe6d528fe0 [ 53.458591][ T418] R10: 00005555559f0ba3 R11: 0000000000000246 R12: 00007fa608f721f8 [ 53.466666][ T418] R13: 00007ffe6d52a2d0 R14: 00005555559f0b00 R15: 00007ffe6d52a310 [ 53.474780][ T418] ---[ end trace 68bd702982a06106 ]--- [ 53.480535][ T418] ------------[ cut here ]------------ [ 53.486025][ T418] WARNING: CPU: 1 PID: 418 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 53.493743][ C0] ------------[ cut here ]------------ [ 53.495244][ T418] Modules linked in: [ 53.500877][ C0] percpu ref (css_release) <= 0 (0) after switching to atomic [ 53.504759][ T418] CPU: 1 PID: 418 Comm: syz-executor.5 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 53.504849][ C0] WARNING: CPU: 0 PID: 0 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x505/0x5b0 [ 53.512530][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.524448][ C0] Modules linked in: [ 53.524468][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 53.524481][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.535249][ T418] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 53.545319][ C0] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x505/0x5b0 [ 53.550919][ T418] Code: 02 a1 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 9e 06 b5 ff 48 8b 7d d0 e8 c5 07 05 00 e9 21 fd ff ff e8 8b 06 b5 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 58 da 5e 86 80 e1 07 80 c1 03 38 c1 [ 53.561919][ C0] Code: 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ef e8 80 31 5a ff 49 8b 55 00 48 c7 c7 a0 bc 43 85 48 89 de 31 c0 e8 1b 9b f2 fe <0f> 0b e9 4b fd ff ff e8 2f 5e 20 ff 0f 0b e9 a2 fe ff ff 48 c7 c1 [ 53.572408][ T418] RSP: 0018:ffffc90000f27e30 EFLAGS: 00010293 [ 53.577724][ C0] RSP: 0018:ffffc90000007c08 EFLAGS: 00010246 [ 53.584908][ T418] [ 53.604688][ C0] RAX: 81cfbe2348ce8300 RBX: ffffffff81647b50 RCX: ffffffff85e1af80 [ 53.604706][ C0] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 [ 53.624401][ T418] RAX: ffffffff81b7b325 RBX: ffffe8ffffd3fd04 RCX: ffff8881065fbb40 [ 53.630455][ C0] RBP: ffffc90000007c50 R08: ffffffff8153b378 R09: fffff52000000ea5 [ 53.636509][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 53.638827][ C0] R10: fffff52000000ea5 R11: 1ffff92000000ea4 R12: 7fffffffffffffff [ 53.646800][ T418] RBP: ffffc90000f27e80 R08: ffffffff81b7b003 R09: 0000000000000003 [ 53.654756][ C0] R13: ffff8881132f8a80 R14: 1ffff1102265f150 R15: ffff8881132f8aa0 [ 53.662800][ T418] R10: fffff520001e4fc5 R11: 1ffff920001e4fc4 R12: ffff8881116f2ca8 [ 53.671105][ C0] FS: 0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 53.679059][ T418] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 53.679074][ T418] FS: 00005555559ef400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 53.687233][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.687240][ C0] CR2: 00007f0c8cb9e718 CR3: 000000011e7d7000 CR4: 00000000003506b0 [ 53.687249][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.687262][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.711606][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.711620][ T418] CR2: 00005555559f8b38 CR3: 000000010c1a5000 CR4: 00000000003506a0 [ 53.720584][ C0] Call Trace: [ 53.720588][ C0] [ 53.720603][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 53.720620][ C0] rcu_do_batch+0x4f8/0xbc0 [ 53.728781][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.737769][ C0] ? local_bh_enable+0x20/0x20 [ 53.744328][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.744338][ T418] Call Trace: [ 53.752901][ C0] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 53.776679][ T418] __cleanup_mnt+0x19/0x20 [ 53.783642][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 53.787056][ T418] task_work_run+0x147/0x1b0 [ 53.789852][ C0] ? rcu_report_qs_rnp+0x2e0/0x3b0 [ 53.795914][ T418] exit_to_user_mode_loop+0xc8/0xe0 [ 53.800577][ C0] rcu_core+0x59b/0xe30 [ 53.808765][ T418] syscall_exit_to_user_mode+0x77/0xa0 [ 53.813598][ C0] ? rcu_cpu_kthread_park+0x90/0x90 [ 53.821632][ T418] do_syscall_64+0x40/0x70 [ 53.824903][ C0] rcu_core_si+0x9/0x10 [ 53.830335][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.834733][ C0] __do_softirq+0x27e/0x596 [ 53.840515][ T418] RIP: 0033:0x7fa608f1a557 [ 53.845088][ C0] asm_call_irq_on_stack+0xf/0x20 [ 53.845093][ C0] [ 53.845109][ C0] do_softirq_own_stack+0x60/0x80 [ 53.850202][ T418] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.855384][ C0] __irq_exit_rcu+0x128/0x150 [ 53.859508][ T418] RSP: 002b:00007ffe6d529148 EFLAGS: 00000246 [ 53.865297][ C0] irq_exit_rcu+0x9/0x10 [ 53.870459][ T418] ORIG_RAX: 00000000000000a6 [ 53.874863][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 53.878984][ T418] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa608f1a557 [ 53.884957][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 53.889424][ T418] RDX: 00007ffe6d529219 RSI: 000000000000000a RDI: 00007ffe6d529210 [ 53.893932][ C0] RIP: 0010:acpi_idle_do_entry+0xbb/0x1f0 [ 53.899011][ T418] RBP: 00007ffe6d529210 R08: 00000000ffffffff R09: 00007ffe6d528fe0 [ 53.902016][ C0] Code: 89 de 48 83 e6 08 31 ff e8 f2 a1 d9 fc 48 83 e3 08 0f 85 ae 00 00 00 e9 0c 00 00 00 e8 be 9c d9 fc 0f 00 2d 47 b1 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 [ 53.907025][ T418] R10: 00005555559f0ba3 R11: 0000000000000246 R12: 00007fa608f721f8 [ 53.926777][ C0] RSP: 0018:ffffffff85e07be8 EFLAGS: 00000246 [ 53.931523][ T418] R13: 00007ffe6d52a2d0 R14: 00005555559f0b00 R15: 00007ffe6d52a310 [ 53.937567][ C0] RAX: 1ffffffff0bc35f0 RBX: 0000000000000000 RCX: 0000000000000000 [ 53.937579][ C0] RDX: ffffffff85e1af80 RSI: 0000000000000000 RDI: 0000000000000000 [ 53.941880][ T418] ---[ end trace 68bd702982a06107 ]--- [ 53.946532][ C0] RBP: ffffffff85e07c00 R08: ffffffff84931cde R09: fffffbfff0bc35f1 [ 53.946545][ C0] R10: fffffbfff0bc35f1 R11: 1ffffffff0bc35f0 R12: 0000000000000001 [ 54.068238][ C0] R13: ffff888102bfc804 R14: ffff888105dfb064 R15: dffffc0000000000 [ 54.076502][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 54.081700][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 54.086828][ C0] acpi_idle_enter+0x32d/0x4f0 [ 54.091699][ C0] ? rcu_dynticks_eqs_enter+0xa/0x40 [ 54.097006][ C0] ? acpi_idle_lpi_enter+0xe0/0xe0 [ 54.102125][ C0] cpuidle_enter_state+0x5d0/0x14a0 [ 54.107351][ C0] ? cpuidle_enter_s2idle+0x610/0x610 [ 54.113181][ C0] ? menu_enable_device+0x370/0x370 [ 54.118399][ C0] ? rcu_nocb_flush_deferred_wakeup+0x67/0x2f0 [ 54.124643][ C0] ? sched_clock_cpu+0x1b/0x3b0 [ 54.129480][ C0] cpuidle_enter+0x5f/0xa0 [ 54.133909][ C0] do_idle+0x369/0x5d0 [ 54.137965][ C0] ? idle_inject_timer_fn+0x60/0x60 [ 54.143145][ C0] ? do_idle+0x5b3/0x5d0 [ 54.147396][ C0] cpu_startup_entry+0x25/0x30 [ 54.152146][ C0] rest_init+0xe6/0xf0 [ 54.156220][ C0] ? time_init+0x38/0x38 [ 54.160462][ C0] arch_call_rest_init+0xe/0x10 [ 54.165349][ C0] start_kernel+0x45a/0x4cc [ 54.169841][ C0] x86_64_start_reservations+0x2a/0x2c [ 54.175309][ C0] x86_64_start_kernel+0x7a/0x7d [ 54.180234][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 54.186134][ C0] ---[ end trace 68bd702982a06108 ]--- [ 54.192529][ T542] FAULT_INJECTION: forcing a failure. [ 54.192529][ T542] name failslab, interval 1, probability 0, space 0, times 0 [ 54.205304][ T542] CPU: 1 PID: 542 Comm: syz-executor.2 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 54.217190][ T542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.227573][ T542] Call Trace: [ 54.230847][ T542] dump_stack_lvl+0x1e2/0x24b [ 54.235514][ T542] ? bfq_pos_tree_add_move+0x43e/0x43e [ 54.241142][ T542] ? selinux_kernfs_init_security+0x1a8/0x760 [ 54.247324][ T542] dump_stack+0x15/0x17 [ 54.251467][ T542] should_fail+0x3c0/0x510 [ 54.255862][ T542] ? __kernfs_new_node+0x99/0x6e0 [ 54.260867][ T542] __should_failslab+0x9f/0xe0 [ 54.265612][ T542] should_failslab+0x9/0x20 [ 54.270093][ T542] __kmalloc_track_caller+0x5f/0x350 [ 54.275366][ T542] kstrdup_const+0x55/0x90 [ 54.279847][ T542] __kernfs_new_node+0x99/0x6e0 [ 54.284815][ T542] ? is_module_text_address+0xe1/0x140 [ 54.290356][ T542] ? kernfs_new_node+0x170/0x170 [ 54.295284][ T542] ? ptr_to_hashval+0x60/0x60 [ 54.299952][ T542] ? arch_stack_walk+0xf8/0x140 [ 54.304878][ T542] ? snprintf+0xd6/0x120 [ 54.309142][ T542] kernfs_new_node+0x97/0x170 [ 54.313910][ T542] __kernfs_create_file+0x4a/0x270 [ 54.319016][ T542] cgroup_addrm_files+0xab8/0xfe0 [ 54.324022][ T542] ? ____kasan_kmalloc+0xdc/0x110 [ 54.329027][ T542] ? __kasan_kmalloc+0x9/0x10 [ 54.333684][ T542] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 54.339215][ T542] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 54.345345][ T542] ? delete_node+0x759/0x7b0 [ 54.349916][ T542] ? __kasan_check_read+0x11/0x20 [ 54.354920][ T542] ? delete_node+0x759/0x7b0 [ 54.359573][ T542] ? __kasan_check_write+0x14/0x20 [ 54.364681][ T542] ? idr_replace+0x1c4/0x230 [ 54.369251][ T542] ? idr_get_next+0x4b0/0x4b0 [ 54.373910][ T542] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 54.378914][ T542] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 54.384087][ T542] css_populate_dir+0x137/0x370 [ 54.388917][ T542] cgroup_apply_control_enable+0x8b9/0x12f0 [ 54.395136][ T542] cgroup_apply_control+0x93/0x710 [ 54.400228][ T542] ? css_next_child+0x160/0x160 [ 54.405065][ T542] ? io_schedule+0x120/0x120 [ 54.409802][ T542] ? kernfs_fop_write_iter+0x15e/0x410 [ 54.415245][ T542] ? __kasan_check_write+0x14/0x20 [ 54.420346][ T542] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 54.425613][ T542] cgroup_subtree_control_write+0xd19/0x1310 [ 54.431573][ T542] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.437532][ T542] ? __kasan_check_write+0x14/0x20 [ 54.442619][ T542] ? _copy_from_iter+0x3fb/0xd60 [ 54.447532][ T542] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.453483][ T542] cgroup_file_write+0x28e/0x590 [ 54.458490][ T542] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.463582][ T542] ? mutex_lock+0xa6/0x110 [ 54.467976][ T542] ? mutex_trylock+0xb0/0xb0 [ 54.472540][ T542] ? __kasan_check_write+0x14/0x20 [ 54.477634][ T542] kernfs_fop_write_iter+0x2d0/0x410 [ 54.482906][ T542] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.488083][ T542] vfs_write+0xc1c/0xf40 [ 54.492308][ T542] ? kernel_write+0x3c0/0x3c0 [ 54.496963][ T542] ? mutex_trylock+0xb0/0xb0 [ 54.501532][ T542] ? __fdget_pos+0x26d/0x310 [ 54.506106][ T542] ? ksys_write+0x77/0x2c0 [ 54.510509][ T542] ksys_write+0x198/0x2c0 [ 54.514813][ T542] ? __ia32_sys_read+0x90/0x90 [ 54.519553][ T542] ? debug_smp_processor_id+0x17/0x20 [ 54.524990][ T542] __x64_sys_write+0x7b/0x90 [ 54.529557][ T542] do_syscall_64+0x34/0x70 [ 54.534045][ T542] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.539911][ T542] RIP: 0033:0x7effca6dd0e9 [ 54.544314][ 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 [ 54.564069][ T542] RSP: 002b:00007effca632168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.572555][ T542] RAX: ffffffffffffffda RBX: 00007effca7f0030 RCX: 00007effca6dd0e9 [ 54.580825][ T542] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.588788][ T542] RBP: 00007effca6321d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.596743][ T542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.605579][ T542] R13: 00007ffd589e604f R14: 00007effca632300 R15: 0000000000022000 [ 54.614910][ T542] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.634278][ T563] FAULT_INJECTION: forcing a failure. [ 54.634278][ T563] name failslab, interval 1, probability 0, space 0, times 0 [ 54.647539][ T563] CPU: 0 PID: 563 Comm: syz-executor.4 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 54.659329][ T563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.669460][ T563] Call Trace: [ 54.672735][ T563] dump_stack_lvl+0x1e2/0x24b [ 54.677477][ T563] ? bfq_pos_tree_add_move+0x43e/0x43e [ 54.683827][ T563] ? selinux_kernfs_init_security+0x1a8/0x760 [ 54.689892][ T563] dump_stack+0x15/0x17 [ 54.694132][ T563] should_fail+0x3c0/0x510 [ 54.698721][ T563] ? __kernfs_new_node+0x99/0x6e0 [ 54.703827][ T563] __should_failslab+0x9f/0xe0 [ 54.708620][ T563] should_failslab+0x9/0x20 [ 54.713100][ T563] __kmalloc_track_caller+0x5f/0x350 [ 54.718802][ T563] kstrdup_const+0x55/0x90 [ 54.723644][ T563] __kernfs_new_node+0x99/0x6e0 [ 54.728662][ T563] ? is_module_text_address+0xe1/0x140 [ 54.734544][ T563] ? kernfs_new_node+0x170/0x170 [ 54.740007][ T563] ? ptr_to_hashval+0x60/0x60 [ 54.744838][ T563] ? arch_stack_walk+0xf8/0x140 [ 54.749671][ T563] ? snprintf+0xd6/0x120 [ 54.753892][ T563] kernfs_new_node+0x97/0x170 [ 54.758548][ T563] __kernfs_create_file+0x4a/0x270 [ 54.763639][ T563] cgroup_addrm_files+0xab8/0xfe0 [ 54.768829][ T563] ? ____kasan_kmalloc+0xdc/0x110 [ 54.773832][ T563] ? __kasan_kmalloc+0x9/0x10 [ 54.778488][ T563] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 54.784014][ T563] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 54.790158][ T563] ? delete_node+0x759/0x7b0 [ 54.794899][ T563] ? __kasan_check_read+0x11/0x20 [ 54.799907][ T563] ? delete_node+0x759/0x7b0 [ 54.804473][ T563] ? __kasan_check_write+0x14/0x20 [ 54.809648][ T563] ? idr_replace+0x1c4/0x230 [ 54.814213][ T563] ? idr_get_next+0x4b0/0x4b0 [ 54.818863][ T563] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 54.823862][ T563] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 54.829032][ T563] css_populate_dir+0x137/0x370 [ 54.833961][ T563] cgroup_apply_control_enable+0x8b9/0x12f0 [ 54.839873][ T563] cgroup_apply_control+0x93/0x710 [ 54.844969][ T563] ? css_next_child+0x160/0x160 [ 54.849801][ T563] ? release_task_stack+0x529/0x660 [ 54.854973][ T563] ? io_schedule+0x120/0x120 [ 54.859624][ T563] ? kernfs_fop_write_iter+0x15e/0x410 [ 54.865068][ T563] ? __kasan_check_write+0x14/0x20 [ 54.870332][ T563] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 54.875599][ T563] cgroup_subtree_control_write+0xd19/0x1310 [ 54.881644][ T563] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.887598][ T563] ? __kasan_check_write+0x14/0x20 [ 54.892693][ T563] ? _copy_from_iter+0x3fb/0xd60 [ 54.897605][ T563] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.903594][ T563] cgroup_file_write+0x28e/0x590 [ 54.908508][ T563] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.913595][ T563] ? mutex_lock+0xa6/0x110 [ 54.917986][ T563] ? mutex_trylock+0xb0/0xb0 [ 54.922617][ T563] ? __kasan_check_write+0x14/0x20 [ 54.927706][ T563] kernfs_fop_write_iter+0x2d0/0x410 [ 54.932974][ T563] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.938069][ T563] vfs_write+0xc1c/0xf40 [ 54.942286][ T563] ? kernel_write+0x3c0/0x3c0 [ 54.946942][ T563] ? mutex_trylock+0xb0/0xb0 [ 54.951508][ T563] ? __fdget_pos+0x26d/0x310 [ 54.956081][ T563] ? ksys_write+0x77/0x2c0 [ 54.960474][ T563] ksys_write+0x198/0x2c0 [ 54.965798][ T563] ? __ia32_sys_read+0x90/0x90 [ 54.971264][ T563] ? debug_smp_processor_id+0x17/0x20 [ 54.976717][ T563] __x64_sys_write+0x7b/0x90 [ 54.981295][ T563] do_syscall_64+0x34/0x70 [ 54.985697][ T563] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.991566][ T563] RIP: 0033:0x7fc9578090e9 [ 54.995958][ T563] 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 [ 55.015780][ T563] RSP: 002b:00007fc95775e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.024194][ T563] RAX: ffffffffffffffda RBX: 00007fc95791c030 RCX: 00007fc9578090e9 [ 55.032147][ T563] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.040102][ T563] RBP: 00007fc95775e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.048053][ T563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.056101][ T563] R13: 00007ffdd66ef07f R14: 00007fc95775e300 R15: 0000000000022000 [ 55.066743][ T563] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.115204][ T566] FAULT_INJECTION: forcing a failure. [ 55.115204][ T566] name failslab, interval 1, probability 0, space 0, times 0 [ 55.128183][ T566] CPU: 0 PID: 566 Comm: syz-executor.3 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 55.139977][ T566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.150102][ T566] Call Trace: [ 55.153392][ T566] dump_stack_lvl+0x1e2/0x24b [ 55.158313][ T566] ? panic+0x7d7/0x7d7 [ 55.162359][ T566] ? bfq_pos_tree_add_move+0x43e/0x43e [ 55.167808][ T566] ? find_next_bit+0xd6/0x120 [ 55.172471][ T566] ? cpumask_next+0x11/0x30 [ 55.177078][ T566] dump_stack+0x15/0x17 [ 55.181242][ T566] should_fail+0x3c0/0x510 [ 55.185643][ T566] ? percpu_ref_init+0xd0/0x330 [ 55.190650][ T566] __should_failslab+0x9f/0xe0 [ 55.195515][ T566] should_failslab+0x9/0x20 [ 55.200015][ T566] kmem_cache_alloc_trace+0x3a/0x330 [ 55.205284][ T566] percpu_ref_init+0xd0/0x330 [ 55.209948][ T566] ? cgroup_setup_root+0xea0/0xea0 [ 55.215042][ T566] cgroup_apply_control_enable+0x3a2/0x12f0 [ 55.220922][ T566] cgroup_apply_control+0x93/0x710 [ 55.226018][ T566] ? css_next_child+0x160/0x160 [ 55.230845][ T566] ? release_task_stack+0x529/0x660 [ 55.236020][ T566] ? io_schedule+0x120/0x120 [ 55.240589][ T566] ? kernfs_fop_write_iter+0x15e/0x410 [ 55.246023][ T566] ? __kasan_check_write+0x14/0x20 [ 55.251285][ T566] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 55.256843][ T566] cgroup_subtree_control_write+0xd19/0x1310 [ 55.262815][ T566] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.268867][ T566] ? __kasan_check_write+0x14/0x20 [ 55.273999][ T566] ? _copy_from_iter+0x3fb/0xd60 [ 55.279183][ T566] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.285189][ T566] cgroup_file_write+0x28e/0x590 [ 55.290104][ T566] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.295195][ T566] ? mutex_lock+0xa6/0x110 [ 55.299587][ T566] ? mutex_trylock+0xb0/0xb0 [ 55.304159][ T566] ? __kasan_check_write+0x14/0x20 [ 55.309336][ T566] kernfs_fop_write_iter+0x2d0/0x410 [ 55.314618][ T566] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.319713][ T566] vfs_write+0xc1c/0xf40 [ 55.323939][ T566] ? ktime_get+0x127/0x150 [ 55.328346][ T566] ? kernel_write+0x3c0/0x3c0 [ 55.333026][ T566] ? mutex_trylock+0xb0/0xb0 [ 55.337598][ T566] ? __fdget_pos+0x26d/0x310 [ 55.342166][ T566] ? ksys_write+0x77/0x2c0 [ 55.346558][ T566] ksys_write+0x198/0x2c0 [ 55.351037][ T566] ? kvm_sched_clock_read+0x18/0x40 [ 55.356213][ T566] ? sched_clock+0x3a/0x40 [ 55.360693][ T566] ? __ia32_sys_read+0x90/0x90 [ 55.365433][ T566] ? debug_smp_processor_id+0x17/0x20 [ 55.371331][ T566] __x64_sys_write+0x7b/0x90 [ 55.376702][ T566] do_syscall_64+0x34/0x70 [ 55.382089][ T566] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.388261][ T566] RIP: 0033:0x7f0c8cc490e9 [ 55.392668][ T566] 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 [ 55.412435][ T566] RSP: 002b:00007f0c8cb9e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.421103][ T566] RAX: ffffffffffffffda RBX: 00007f0c8cd5c030 RCX: 00007f0c8cc490e9 [ 55.429594][ T566] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.437554][ T566] RBP: 00007f0c8cb9e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.445595][ T566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.453547][ T566] R13: 00007fff3e26826f R14: 00007f0c8cb9e300 R15: 0000000000022000 [ 55.504394][ T554] FAULT_INJECTION: forcing a failure. [ 55.504394][ T554] name failslab, interval 1, probability 0, space 0, times 0 [ 55.517154][ T554] CPU: 1 PID: 554 Comm: syz-executor.0 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 55.528960][ T554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.539147][ T554] Call Trace: [ 55.542508][ T554] dump_stack_lvl+0x1e2/0x24b [ 55.547175][ T554] ? bfq_pos_tree_add_move+0x43e/0x43e [ 55.552717][ T554] ? selinux_kernfs_init_security+0x1a8/0x760 [ 55.558852][ T554] dump_stack+0x15/0x17 [ 55.562987][ T554] should_fail+0x3c0/0x510 [ 55.567474][ T554] ? __kernfs_new_node+0x99/0x6e0 [ 55.572483][ T554] __should_failslab+0x9f/0xe0 [ 55.577237][ T554] should_failslab+0x9/0x20 [ 55.581804][ T554] __kmalloc_track_caller+0x5f/0x350 [ 55.587163][ T554] kstrdup_const+0x55/0x90 [ 55.591561][ T554] __kernfs_new_node+0x99/0x6e0 [ 55.596396][ T554] ? is_module_text_address+0xe1/0x140 [ 55.601849][ T554] ? kernfs_new_node+0x170/0x170 [ 55.606865][ T554] ? ptr_to_hashval+0x60/0x60 [ 55.611524][ T554] ? arch_stack_walk+0xf8/0x140 [ 55.616354][ T554] ? snprintf+0xd6/0x120 [ 55.620608][ T554] kernfs_new_node+0x97/0x170 [ 55.625437][ T554] __kernfs_create_file+0x4a/0x270 [ 55.630530][ T554] cgroup_addrm_files+0xab8/0xfe0 [ 55.635532][ T554] ? ____kasan_kmalloc+0xdc/0x110 [ 55.640532][ T554] ? __kasan_kmalloc+0x9/0x10 [ 55.645189][ T554] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 55.650722][ T554] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 55.656852][ T554] ? delete_node+0x759/0x7b0 [ 55.661417][ T554] ? __kasan_check_read+0x11/0x20 [ 55.666425][ T554] ? delete_node+0x759/0x7b0 [ 55.670990][ T554] ? __kasan_check_write+0x14/0x20 [ 55.676088][ T554] ? idr_replace+0x1c4/0x230 [ 55.680656][ T554] ? idr_get_next+0x4b0/0x4b0 [ 55.685307][ T554] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 55.690306][ T554] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 55.695487][ T554] css_populate_dir+0x137/0x370 [ 55.700330][ T554] cgroup_apply_control_enable+0x8b9/0x12f0 [ 55.706197][ T554] cgroup_apply_control+0x93/0x710 [ 55.711281][ T554] ? css_next_child+0x160/0x160 [ 55.716256][ T554] ? io_schedule+0x120/0x120 [ 55.720829][ T554] ? kernfs_fop_write_iter+0x15e/0x410 [ 55.726262][ T554] ? __kasan_check_write+0x14/0x20 [ 55.731350][ T554] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 55.736613][ T554] cgroup_subtree_control_write+0xd19/0x1310 [ 55.742570][ T554] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.748718][ T554] ? __kasan_check_write+0x14/0x20 [ 55.753810][ T554] ? _copy_from_iter+0x3fb/0xd60 [ 55.758772][ T554] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.764727][ T554] cgroup_file_write+0x28e/0x590 [ 55.769639][ T554] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.774727][ T554] ? mutex_lock+0xa6/0x110 [ 55.779116][ T554] ? mutex_trylock+0xb0/0xb0 [ 55.783781][ T554] ? __kasan_check_write+0x14/0x20 [ 55.788873][ T554] kernfs_fop_write_iter+0x2d0/0x410 [ 55.794136][ T554] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.799228][ T554] vfs_write+0xc1c/0xf40 [ 55.803542][ T554] ? kernel_write+0x3c0/0x3c0 [ 55.808197][ T554] ? mutex_trylock+0xb0/0xb0 [ 55.812769][ T554] ? __fdget_pos+0x26d/0x310 [ 55.817334][ T554] ? ksys_write+0x77/0x2c0 [ 55.821987][ T554] ksys_write+0x198/0x2c0 [ 55.826381][ T554] ? __ia32_sys_read+0x90/0x90 [ 55.831163][ T554] ? debug_smp_processor_id+0x17/0x20 [ 55.836529][ T554] __x64_sys_write+0x7b/0x90 [ 55.841105][ T554] do_syscall_64+0x34/0x70 [ 55.846027][ T554] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.851995][ T554] RIP: 0033:0x7f821d2c50e9 [ 55.856570][ T554] 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 [ 55.876570][ T554] RSP: 002b:00007f821d21a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.885235][ T554] RAX: ffffffffffffffda RBX: 00007f821d3d8030 RCX: 00007f821d2c50e9 [ 55.893199][ T554] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.901307][ T554] RBP: 00007f821d21a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.909352][ T554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.917317][ T554] R13: 00007ffffa9a2f4f R14: 00007f821d21a300 R15: 0000000000022000 [ 55.926729][ T554] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.928882][ T23] audit: type=1400 audit(1652381940.119:161): 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 [ 55.974247][ T568] FAULT_INJECTION: forcing a failure. [ 55.974247][ T568] name failslab, interval 1, probability 0, space 0, times 0 [ 55.987030][ T568] CPU: 1 PID: 568 Comm: syz-executor.5 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 55.998747][ T568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.008784][ T568] Call Trace: [ 56.012061][ T568] dump_stack_lvl+0x1e2/0x24b [ 56.016806][ T568] ? bfq_pos_tree_add_move+0x43e/0x43e [ 56.022254][ T568] ? selinux_kernfs_init_security+0x1a8/0x760 [ 56.028307][ T568] dump_stack+0x15/0x17 [ 56.032449][ T568] should_fail+0x3c0/0x510 [ 56.036859][ T568] ? __kernfs_new_node+0x99/0x6e0 [ 56.041879][ T568] __should_failslab+0x9f/0xe0 [ 56.046642][ T568] should_failslab+0x9/0x20 [ 56.051123][ T568] __kmalloc_track_caller+0x5f/0x350 [ 56.056384][ T568] kstrdup_const+0x55/0x90 [ 56.061678][ T568] __kernfs_new_node+0x99/0x6e0 [ 56.066506][ T568] ? is_module_text_address+0xe1/0x140 [ 56.072071][ T568] ? kernfs_new_node+0x170/0x170 [ 56.077007][ T568] ? ptr_to_hashval+0x60/0x60 [ 56.081686][ T568] ? arch_stack_walk+0xf8/0x140 [ 56.086513][ T568] ? snprintf+0xd6/0x120 [ 56.091035][ T568] kernfs_new_node+0x97/0x170 [ 56.095973][ T568] __kernfs_create_file+0x4a/0x270 [ 56.101182][ T568] cgroup_addrm_files+0xab8/0xfe0 [ 56.106204][ T568] ? ____kasan_kmalloc+0xdc/0x110 [ 56.111291][ T568] ? __kasan_kmalloc+0x9/0x10 [ 56.115955][ T568] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 56.121502][ T568] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 56.127830][ T568] ? delete_node+0x759/0x7b0 [ 56.132414][ T568] ? __kasan_check_read+0x11/0x20 [ 56.137578][ T568] ? delete_node+0x759/0x7b0 [ 56.142354][ T568] ? __kasan_check_write+0x14/0x20 [ 56.147644][ T568] ? idr_replace+0x1c4/0x230 [ 56.152209][ T568] ? idr_get_next+0x4b0/0x4b0 [ 56.156860][ T568] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 56.161857][ T568] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 56.167029][ T568] css_populate_dir+0x137/0x370 [ 56.171859][ T568] cgroup_apply_control_enable+0x8b9/0x12f0 [ 56.177728][ T568] cgroup_apply_control+0x93/0x710 [ 56.182812][ T568] ? css_next_child+0x160/0x160 [ 56.187636][ T568] ? io_schedule+0x120/0x120 [ 56.192208][ T568] ? kernfs_fop_write_iter+0x15e/0x410 [ 56.197729][ T568] ? __kasan_check_write+0x14/0x20 [ 56.203690][ T568] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 56.208953][ T568] cgroup_subtree_control_write+0xd19/0x1310 [ 56.214918][ T568] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 56.220887][ T568] ? __kasan_check_write+0x14/0x20 [ 56.225979][ T568] ? _copy_from_iter+0x3fb/0xd60 [ 56.230898][ T568] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 56.236939][ T568] cgroup_file_write+0x28e/0x590 [ 56.242038][ T568] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.247127][ T568] ? mutex_lock+0xa6/0x110 [ 56.251517][ T568] ? mutex_trylock+0xb0/0xb0 [ 56.256086][ T568] ? __kasan_check_write+0x14/0x20 [ 56.261344][ T568] kernfs_fop_write_iter+0x2d0/0x410 [ 56.266607][ T568] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.271707][ T568] vfs_write+0xc1c/0xf40 [ 56.275937][ T568] ? kernel_write+0x3c0/0x3c0 [ 56.280588][ T568] ? mutex_trylock+0xb0/0xb0 [ 56.285185][ T568] ? __fdget_pos+0x26d/0x310 [ 56.289839][ T568] ? ksys_write+0x77/0x2c0 [ 56.294320][ T568] ksys_write+0x198/0x2c0 [ 56.298628][ T568] ? __ia32_sys_read+0x90/0x90 [ 56.303544][ T568] ? debug_smp_processor_id+0x17/0x20 [ 56.308910][ T568] __x64_sys_write+0x7b/0x90 [ 56.313934][ T568] do_syscall_64+0x34/0x70 [ 56.318329][ T568] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.324201][ T568] RIP: 0033:0x7fa608f190e9 [ 56.328620][ T568] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.348208][ T568] RSP: 002b:00007fa608e8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.356702][ T568] RAX: ffffffffffffffda RBX: 00007fa60902bf60 RCX: 00007fa608f190e9 [ 56.364650][ T568] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.372600][ T568] RBP: 00007fa608e8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.380552][ T568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.388498][ T568] R13: 00007ffe6d529fef R14: 00007fa608e8f300 R15: 0000000000022000 [ 56.397264][ T568] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 56.406621][ T418] ------------[ cut here ]------------ [ 56.412103][ T418] WARNING: CPU: 1 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 56.421088][ T418] Modules linked in: [ 56.425046][ T418] CPU: 1 PID: 418 Comm: syz-executor.5 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 56.436868][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.447052][ T418] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 56.452666][ T418] Code: 48 c7 c2 40 03 04 86 e8 34 e6 8e ff e9 8b fc ff ff e8 7a 20 b6 ff e9 81 fc ff ff e8 70 20 b6 ff e9 77 fc ff ff e8 66 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 5a 20 b6 ff e8 25 ac a2 ff e9 ea fc ff ff [ 56.474294][ T418] RSP: 0018:ffffc90000f27ba0 EFLAGS: 00010293 [ 56.480361][ T418] RAX: ffffffff81b6994a RBX: 00000000ffffffff RCX: ffff8881065fbb40 [ 56.488848][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 56.496852][ T418] RBP: ffffc90000f27c70 R08: ffffffff81b69638 R09: 0000000000000003 [ 56.504858][ T418] R10: fffff520001e4f65 R11: 1ffff920001e4f64 R12: dffffc0000000000 [ 56.513162][ T418] R13: ffff88810f5dc8c0 R14: ffffc90000f27c00 R15: 1ffff920001e4f7c [ 56.521173][ T418] FS: 00005555559ef400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 56.530209][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.536805][ T418] CR2: 00007f821d3d8028 CR3: 000000010c1a5000 CR4: 00000000003506a0 [ 56.544798][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.552773][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.560737][ T418] Call Trace: [ 56.564024][ T418] ? io_schedule+0x120/0x120 [ 56.568593][ T418] ? vfs_submount+0xb0/0xb0 [ 56.573165][ T418] ? shrink_dentry_list+0x4ec/0x500 [ 56.578362][ T418] namespace_unlock+0x448/0x4f0 [ 56.583192][ T418] ? umount_tree+0xf50/0xf50 [ 56.587898][ T418] ? __detach_mounts+0x670/0x670 [ 56.592869][ T418] ? selinux_umount+0xf0/0x130 [ 56.597661][ T418] path_umount+0xf03/0xfb0 [ 56.602086][ T418] ? namespace_unlock+0x4f0/0x4f0 [ 56.607117][ T418] ? user_path_at_empty+0x40/0x50 [ 56.612385][ T418] __x64_sys_umount+0x122/0x170 [ 56.617452][ T418] ? path_umount+0xfb0/0xfb0 [ 56.622026][ T418] ? debug_smp_processor_id+0x17/0x20 [ 56.627399][ T418] do_syscall_64+0x34/0x70 [ 56.631800][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.637782][ T418] RIP: 0033:0x7fa608f1a557 [ 56.642180][ T418] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.661997][ T418] RSP: 002b:00007ffe6d529148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 56.670404][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa608f1a557 [ 56.678370][ T418] RDX: 00007ffe6d529219 RSI: 000000000000000a RDI: 00007ffe6d529210 [ 56.686334][ T418] RBP: 00007ffe6d529210 R08: 00000000ffffffff R09: 00007ffe6d528fe0 [ 56.694297][ T418] R10: 00005555559f0ba3 R11: 0000000000000246 R12: 00007fa608f721f8 [ 56.702351][ T418] R13: 00007ffe6d52a2d0 R14: 00005555559f0b00 R15: 00007ffe6d52a310 [ 56.710324][ T418] ---[ end trace 68bd702982a06109 ]--- [ 56.716026][ T418] ------------[ cut here ]------------ [ 56.721640][ T418] WARNING: CPU: 0 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 56.730751][ T418] Modules linked in: [ 56.734678][ T418] CPU: 0 PID: 418 Comm: syz-executor.5 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 56.746346][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.757854][ T418] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 56.763559][ T418] Code: 48 c7 c2 40 03 04 86 e8 34 e6 8e ff e9 8b fc ff ff e8 7a 20 b6 ff e9 81 fc ff ff e8 70 20 b6 ff e9 77 fc ff ff e8 66 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 5a 20 b6 ff e8 25 ac a2 ff e9 ea fc ff ff [ 56.783374][ T418] RSP: 0018:ffffc90000f27ca0 EFLAGS: 00010293 [ 56.789466][ T418] RAX: ffffffff81b6994a RBX: 00000000fffffffe RCX: ffff8881065fbb40 [ 56.797458][ T418] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 56.805524][ T418] RBP: ffffc90000f27d70 R08: ffffffff81b69638 R09: 0000000000000003 [ 56.813662][ T418] R10: fffff520001e4f85 R11: 1ffff920001e4f84 R12: dffffc0000000000 [ 56.821685][ T418] R13: ffff88810f5dc8c0 R14: ffffc90000f27d00 R15: 1ffff920001e4f9c [ 56.829669][ T418] FS: 00005555559ef400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 56.838605][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.845193][ T418] CR2: 00005555557d13b8 CR3: 000000010c1a5000 CR4: 00000000003506b0 [ 56.853154][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.861156][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.869136][ T418] Call Trace: [ 56.872413][ T418] ? lockref_get_or_lock+0x340/0x340 [ 56.877730][ T418] ? umount_tree+0xf50/0xf50 [ 56.882303][ T418] ? vfs_submount+0xb0/0xb0 [ 56.886809][ T418] ? dput+0x2b6/0x320 [ 56.890768][ T418] path_umount+0x1fe/0xfb0 [ 56.895288][ T418] ? namespace_unlock+0x4f0/0x4f0 [ 56.900301][ T418] ? user_path_at_empty+0x40/0x50 [ 56.905332][ T418] __x64_sys_umount+0x122/0x170 [ 56.910159][ T418] ? path_umount+0xfb0/0xfb0 [ 56.914755][ T418] ? debug_smp_processor_id+0x17/0x20 [ 56.920197][ T418] do_syscall_64+0x34/0x70 [ 56.924607][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.930476][ T418] RIP: 0033:0x7fa608f1a557 [ 56.934892][ T418] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.954511][ T418] RSP: 002b:00007ffe6d529148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 56.962910][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa608f1a557 [ 56.970922][ T418] RDX: 00007ffe6d529219 RSI: 000000000000000a RDI: 00007ffe6d529210 [ 56.978899][ T418] RBP: 00007ffe6d529210 R08: 00000000ffffffff R09: 00007ffe6d528fe0 [ 56.986868][ T418] R10: 00005555559f0ba3 R11: 0000000000000246 R12: 00007fa608f721f8 [ 56.995025][ T418] R13: 00007ffe6d52a2d0 R14: 00005555559f0b00 R15: 00007ffe6d52a310 [ 57.002993][ T418] ---[ end trace 68bd702982a0610a ]--- [ 57.024054][ T579] FAULT_INJECTION: forcing a failure. [ 57.024054][ T579] name failslab, interval 1, probability 0, space 0, times 0 [ 57.036865][ T579] CPU: 0 PID: 579 Comm: syz-executor.0 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 57.048483][ T579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.058579][ T579] Call Trace: [ 57.061853][ T579] dump_stack_lvl+0x1e2/0x24b [ 57.066683][ T579] ? panic+0x7d7/0x7d7 [ 57.070831][ T579] ? bfq_pos_tree_add_move+0x43e/0x43e [ 57.076265][ T579] ? find_next_bit+0xd6/0x120 [ 57.080926][ T579] ? cpumask_next+0x11/0x30 [ 57.085425][ T579] dump_stack+0x15/0x17 [ 57.089554][ T579] should_fail+0x3c0/0x510 [ 57.093947][ T579] ? percpu_ref_init+0xd0/0x330 [ 57.098783][ T579] __should_failslab+0x9f/0xe0 [ 57.103607][ T579] should_failslab+0x9/0x20 [ 57.108089][ T579] kmem_cache_alloc_trace+0x3a/0x330 [ 57.113525][ T579] percpu_ref_init+0xd0/0x330 [ 57.118178][ T579] ? cgroup_setup_root+0xea0/0xea0 [ 57.123305][ T579] cgroup_apply_control_enable+0x3a2/0x12f0 [ 57.129192][ T579] cgroup_apply_control+0x93/0x710 [ 57.134277][ T579] ? css_next_child+0x160/0x160 [ 57.139100][ T579] ? release_task_stack+0x529/0x660 [ 57.144271][ T579] ? io_schedule+0x120/0x120 [ 57.148833][ T579] ? kernfs_fop_write_iter+0x15e/0x410 [ 57.154264][ T579] ? __kasan_check_write+0x14/0x20 [ 57.159359][ T579] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 57.164618][ T579] cgroup_subtree_control_write+0xd19/0x1310 [ 57.170571][ T579] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.176528][ T579] ? __kasan_check_write+0x14/0x20 [ 57.181629][ T579] ? _copy_from_iter+0x3fb/0xd60 [ 57.186546][ T579] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.192499][ T579] cgroup_file_write+0x28e/0x590 [ 57.197417][ T579] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.202626][ T579] ? mutex_lock+0xa6/0x110 [ 57.207025][ T579] ? mutex_trylock+0xb0/0xb0 [ 57.211722][ T579] ? __kasan_check_write+0x14/0x20 [ 57.216834][ T579] kernfs_fop_write_iter+0x2d0/0x410 [ 57.222095][ T579] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.227202][ T579] vfs_write+0xc1c/0xf40 [ 57.231421][ T579] ? kernel_write+0x3c0/0x3c0 [ 57.236075][ T579] ? mutex_trylock+0xb0/0xb0 [ 57.240643][ T579] ? __fdget_pos+0x26d/0x310 [ 57.245242][ T579] ? ksys_write+0x77/0x2c0 [ 57.249732][ T579] ksys_write+0x198/0x2c0 [ 57.254046][ T579] ? __ia32_sys_read+0x90/0x90 [ 57.258783][ T579] ? debug_smp_processor_id+0x17/0x20 [ 57.264129][ T579] __x64_sys_write+0x7b/0x90 [ 57.268705][ T579] do_syscall_64+0x34/0x70 [ 57.273109][ T579] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.278980][ T579] RIP: 0033:0x7f821d2c50e9 [ 57.283373][ T579] 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 [ 57.303619][ T579] RSP: 002b:00007f821d21a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.312878][ T579] RAX: ffffffffffffffda RBX: 00007f821d3d8030 RCX: 00007f821d2c50e9 [ 57.320937][ T579] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.328905][ T579] RBP: 00007f821d21a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.336940][ T579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.344989][ T579] R13: 00007ffffa9a2f4f R14: 00007f821d21a300 R15: 0000000000022000 [ 57.373989][ T562] FAULT_INJECTION: forcing a failure. [ 57.373989][ T562] name failslab, interval 1, probability 0, space 0, times 0 [ 57.386726][ T562] CPU: 0 PID: 562 Comm: syz-executor.1 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 57.398335][ T562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.408366][ T562] Call Trace: [ 57.411646][ T562] dump_stack_lvl+0x1e2/0x24b [ 57.416306][ T562] ? bfq_pos_tree_add_move+0x43e/0x43e [ 57.421744][ T562] ? selinux_kernfs_init_security+0x1a8/0x760 [ 57.427838][ T562] dump_stack+0x15/0x17 [ 57.431973][ T562] should_fail+0x3c0/0x510 [ 57.436368][ T562] ? __kernfs_new_node+0x99/0x6e0 [ 57.441385][ T562] __should_failslab+0x9f/0xe0 [ 57.446137][ T562] should_failslab+0x9/0x20 [ 57.450630][ T562] __kmalloc_track_caller+0x5f/0x350 [ 57.455896][ T562] kstrdup_const+0x55/0x90 [ 57.460290][ T562] __kernfs_new_node+0x99/0x6e0 [ 57.465120][ T562] ? is_module_text_address+0xe1/0x140 [ 57.470591][ T562] ? kernfs_new_node+0x170/0x170 [ 57.475593][ T562] ? ptr_to_hashval+0x60/0x60 [ 57.480260][ T562] ? arch_stack_walk+0xf8/0x140 [ 57.485094][ T562] ? snprintf+0xd6/0x120 [ 57.489312][ T562] kernfs_new_node+0x97/0x170 [ 57.493969][ T562] __kernfs_create_file+0x4a/0x270 [ 57.499054][ T562] cgroup_addrm_files+0xab8/0xfe0 [ 57.504139][ T562] ? ____kasan_kmalloc+0xdc/0x110 [ 57.509140][ T562] ? __kasan_kmalloc+0x9/0x10 [ 57.513816][ T562] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 57.519423][ T562] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 57.525653][ T562] ? delete_node+0x759/0x7b0 [ 57.530218][ T562] ? __kasan_check_read+0x11/0x20 [ 57.535225][ T562] ? delete_node+0x759/0x7b0 [ 57.539969][ T562] ? __kasan_check_write+0x14/0x20 [ 57.545056][ T562] ? idr_replace+0x1c4/0x230 [ 57.549616][ T562] ? idr_get_next+0x4b0/0x4b0 [ 57.554275][ T562] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 57.559371][ T562] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 57.564549][ T562] css_populate_dir+0x137/0x370 [ 57.569678][ T562] cgroup_apply_control_enable+0x8b9/0x12f0 [ 57.575562][ T562] cgroup_apply_control+0x93/0x710 [ 57.580679][ T562] ? css_next_child+0x160/0x160 [ 57.585514][ T562] ? release_task_stack+0x4c2/0x660 [ 57.590710][ T562] ? io_schedule+0x120/0x120 [ 57.595289][ T562] ? kernfs_fop_write_iter+0x15e/0x410 [ 57.600856][ T562] ? __kasan_check_write+0x14/0x20 [ 57.605953][ T562] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 57.611216][ T562] cgroup_subtree_control_write+0xd19/0x1310 [ 57.617186][ T562] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.623272][ T562] ? __kasan_check_write+0x14/0x20 [ 57.628371][ T562] ? _copy_from_iter+0x3fb/0xd60 [ 57.633284][ T562] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.639235][ T562] cgroup_file_write+0x28e/0x590 [ 57.644928][ T562] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.650012][ T562] ? mutex_lock+0xa6/0x110 [ 57.654405][ T562] ? mutex_trylock+0xb0/0xb0 [ 57.658981][ T562] ? __kasan_check_write+0x14/0x20 [ 57.664072][ T562] kernfs_fop_write_iter+0x2d0/0x410 [ 57.669341][ T562] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.674425][ T562] vfs_write+0xc1c/0xf40 [ 57.678649][ T562] ? kernel_write+0x3c0/0x3c0 [ 57.683320][ T562] ? mutex_trylock+0xb0/0xb0 [ 57.687885][ T562] ? __fdget_pos+0x26d/0x310 [ 57.692546][ T562] ? ksys_write+0x77/0x2c0 [ 57.696935][ T562] ksys_write+0x198/0x2c0 [ 57.701241][ T562] ? __ia32_sys_read+0x90/0x90 [ 57.705981][ T562] ? debug_smp_processor_id+0x17/0x20 [ 57.711332][ T562] __x64_sys_write+0x7b/0x90 [ 57.716504][ T562] do_syscall_64+0x34/0x70 [ 57.720925][ T562] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.726788][ T562] RIP: 0033:0x7ff0c67fe0e9 [ 57.731175][ T562] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.750848][ T562] RSP: 002b:00007ff0c6753168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.759266][ T562] RAX: ffffffffffffffda RBX: 00007ff0c6911030 RCX: 00007ff0c67fe0e9 [ 57.767211][ T562] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.775158][ T562] RBP: 00007ff0c67531d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.783105][ T562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.791405][ T562] R13: 00007ffc9048adaf R14: 00007ff0c6753300 R15: 0000000000022000 [ 57.801302][ T562] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.844212][ T582] FAULT_INJECTION: forcing a failure. [ 57.844212][ T582] name failslab, interval 1, probability 0, space 0, times 0 [ 57.859030][ T582] CPU: 1 PID: 582 Comm: syz-executor.5 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 57.870636][ T582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.880680][ T582] Call Trace: [ 57.883972][ T582] dump_stack_lvl+0x1e2/0x24b [ 57.888640][ T582] ? panic+0x7d7/0x7d7 [ 57.892703][ T582] ? bfq_pos_tree_add_move+0x43e/0x43e [ 57.898136][ T582] ? find_next_bit+0xd6/0x120 [ 57.902796][ T582] ? cpumask_next+0x11/0x30 [ 57.907819][ T582] dump_stack+0x15/0x17 [ 57.911968][ T582] should_fail+0x3c0/0x510 [ 57.916372][ T582] ? percpu_ref_init+0xd0/0x330 [ 57.921224][ T582] __should_failslab+0x9f/0xe0 [ 57.925982][ T582] should_failslab+0x9/0x20 [ 57.930471][ T582] kmem_cache_alloc_trace+0x3a/0x330 [ 57.935825][ T582] percpu_ref_init+0xd0/0x330 [ 57.940480][ T582] ? cgroup_setup_root+0xea0/0xea0 [ 57.945568][ T582] cgroup_apply_control_enable+0x3a2/0x12f0 [ 57.951451][ T582] cgroup_apply_control+0x93/0x710 [ 57.956536][ T582] ? css_next_child+0x160/0x160 [ 57.961408][ T582] ? io_schedule+0x120/0x120 [ 57.965976][ T582] ? kernfs_fop_write_iter+0x15e/0x410 [ 57.971457][ T582] ? __kasan_check_write+0x14/0x20 [ 57.976545][ T582] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 57.981891][ T582] cgroup_subtree_control_write+0xd19/0x1310 [ 57.987845][ T582] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.993799][ T582] ? __kasan_check_write+0x14/0x20 [ 57.998889][ T582] ? _copy_from_iter+0x3fb/0xd60 [ 58.003814][ T582] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 58.009783][ T582] cgroup_file_write+0x28e/0x590 [ 58.014707][ T582] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.019893][ T582] ? mutex_lock+0xa6/0x110 [ 58.024291][ T582] ? mutex_trylock+0xb0/0xb0 [ 58.031293][ T582] ? __kasan_check_write+0x14/0x20 [ 58.036385][ T582] kernfs_fop_write_iter+0x2d0/0x410 [ 58.041647][ T582] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.046737][ T582] vfs_write+0xc1c/0xf40 [ 58.052257][ T582] ? kernel_write+0x3c0/0x3c0 [ 58.056916][ T582] ? mutex_trylock+0xb0/0xb0 [ 58.061496][ T582] ? __fdget_pos+0x26d/0x310 [ 58.066068][ T582] ? ksys_write+0x77/0x2c0 [ 58.070462][ T582] ksys_write+0x198/0x2c0 [ 58.074786][ T582] ? __ia32_sys_read+0x90/0x90 [ 58.079646][ T582] ? debug_smp_processor_id+0x17/0x20 [ 58.084999][ T582] __x64_sys_write+0x7b/0x90 [ 58.089567][ T582] do_syscall_64+0x34/0x70 [ 58.093961][ T582] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.099920][ T582] RIP: 0033:0x7fa608f190e9 [ 58.104412][ T582] 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 [ 58.124176][ T582] RSP: 002b:00007fa608e6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.133039][ T582] RAX: ffffffffffffffda RBX: 00007fa60902c030 RCX: 00007fa608f190e9 [ 58.141089][ T582] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.149229][ T582] RBP: 00007fa608e6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.157268][ T582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.165492][ T582] R13: 00007ffe6d529fef R14: 00007fa608e6e300 R15: 0000000000022000 [ 58.214225][ T573] FAULT_INJECTION: forcing a failure. [ 58.214225][ T573] name failslab, interval 1, probability 0, space 0, times 0 [ 58.227170][ T573] CPU: 0 PID: 573 Comm: syz-executor.4 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 58.238944][ T573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.249168][ T573] Call Trace: [ 58.252442][ T573] dump_stack_lvl+0x1e2/0x24b [ 58.257197][ T573] ? panic+0x7d7/0x7d7 [ 58.261259][ T573] ? bfq_pos_tree_add_move+0x43e/0x43e [ 58.266698][ T573] ? find_next_bit+0xd6/0x120 [ 58.271353][ T573] ? cpumask_next+0x11/0x30 [ 58.275836][ T573] dump_stack+0x15/0x17 [ 58.280017][ T573] should_fail+0x3c0/0x510 [ 58.284499][ T573] ? percpu_ref_init+0xd0/0x330 [ 58.289508][ T573] __should_failslab+0x9f/0xe0 [ 58.294260][ T573] should_failslab+0x9/0x20 [ 58.298746][ T573] kmem_cache_alloc_trace+0x3a/0x330 [ 58.304016][ T573] percpu_ref_init+0xd0/0x330 [ 58.308667][ T573] ? cgroup_setup_root+0xea0/0xea0 [ 58.313751][ T573] cgroup_apply_control_enable+0x3a2/0x12f0 [ 58.319992][ T573] cgroup_apply_control+0x93/0x710 [ 58.325074][ T573] ? css_next_child+0x160/0x160 [ 58.329894][ T573] ? io_schedule+0x120/0x120 [ 58.334545][ T573] ? kernfs_fop_write_iter+0x15e/0x410 [ 58.339982][ T573] ? __kasan_check_write+0x14/0x20 [ 58.345079][ T573] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 58.350357][ T573] cgroup_subtree_control_write+0xd19/0x1310 [ 58.357271][ T573] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 58.363221][ T573] ? __kasan_check_write+0x14/0x20 [ 58.368334][ T573] ? _copy_from_iter+0x3fb/0xd60 [ 58.373247][ T573] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 58.379291][ T573] cgroup_file_write+0x28e/0x590 [ 58.384205][ T573] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.389287][ T573] ? mutex_lock+0xa6/0x110 [ 58.393680][ T573] ? mutex_trylock+0xb0/0xb0 [ 58.398247][ T573] ? __kasan_check_write+0x14/0x20 [ 58.403399][ T573] kernfs_fop_write_iter+0x2d0/0x410 [ 58.408794][ T573] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.414007][ T573] vfs_write+0xc1c/0xf40 [ 58.418228][ T573] ? kernel_write+0x3c0/0x3c0 [ 58.422876][ T573] ? mutex_trylock+0xb0/0xb0 [ 58.427444][ T573] ? __fdget_pos+0x26d/0x310 [ 58.432106][ T573] ? ksys_write+0x77/0x2c0 [ 58.436496][ T573] ksys_write+0x198/0x2c0 [ 58.440828][ T573] ? __ia32_sys_read+0x90/0x90 [ 58.445827][ T573] ? debug_smp_processor_id+0x17/0x20 [ 58.451172][ T573] __x64_sys_write+0x7b/0x90 [ 58.455738][ T573] do_syscall_64+0x34/0x70 [ 58.460125][ T573] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.466250][ T573] RIP: 0033:0x7fc9578090e9 [ 58.470645][ T573] 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 [ 58.490465][ T573] RSP: 002b:00007fc95777f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.498993][ T573] RAX: ffffffffffffffda RBX: 00007fc95791bf60 RCX: 00007fc9578090e9 [ 58.507352][ T573] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/05/12 18:59:02 executed programs: 50 [ 58.515481][ T573] RBP: 00007fc95777f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.523736][ T573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.531690][ T573] R13: 00007ffdd66ef07f R14: 00007fc95777f300 R15: 0000000000022000 [ 58.574089][ T571] FAULT_INJECTION: forcing a failure. [ 58.574089][ T571] name failslab, interval 1, probability 0, space 0, times 0 [ 58.586941][ T571] CPU: 1 PID: 571 Comm: syz-executor.2 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 58.598729][ T571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.609120][ T571] Call Trace: [ 58.612392][ T571] dump_stack_lvl+0x1e2/0x24b [ 58.617051][ T571] ? bfq_pos_tree_add_move+0x43e/0x43e [ 58.622493][ T571] ? selinux_kernfs_init_security+0x1a8/0x760 [ 58.628558][ T571] dump_stack+0x15/0x17 [ 58.632790][ T571] should_fail+0x3c0/0x510 [ 58.637176][ T571] ? __kernfs_new_node+0x99/0x6e0 [ 58.642172][ T571] __should_failslab+0x9f/0xe0 [ 58.647004][ T571] should_failslab+0x9/0x20 [ 58.651489][ T571] __kmalloc_track_caller+0x5f/0x350 [ 58.656754][ T571] kstrdup_const+0x55/0x90 [ 58.661147][ T571] __kernfs_new_node+0x99/0x6e0 [ 58.665967][ T571] ? is_module_text_address+0xe1/0x140 [ 58.671400][ T571] ? kernfs_new_node+0x170/0x170 [ 58.676313][ T571] ? ptr_to_hashval+0x60/0x60 [ 58.680959][ T571] ? arch_stack_walk+0xf8/0x140 [ 58.685786][ T571] ? snprintf+0xd6/0x120 [ 58.690002][ T571] kernfs_new_node+0x97/0x170 [ 58.694649][ T571] __kernfs_create_file+0x4a/0x270 [ 58.699822][ T571] cgroup_addrm_files+0xab8/0xfe0 [ 58.704818][ T571] ? ____kasan_kmalloc+0xdc/0x110 [ 58.709825][ T571] ? __kasan_kmalloc+0x9/0x10 [ 58.714494][ T571] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 58.720273][ T571] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 58.726410][ T571] ? delete_node+0x759/0x7b0 [ 58.730981][ T571] ? __kasan_check_read+0x11/0x20 [ 58.735978][ T571] ? delete_node+0x759/0x7b0 [ 58.740542][ T571] ? __kasan_check_write+0x14/0x20 [ 58.745631][ T571] ? idr_replace+0x1c4/0x230 [ 58.750191][ T571] ? idr_get_next+0x4b0/0x4b0 [ 58.754845][ T571] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 58.759847][ T571] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 58.765018][ T571] css_populate_dir+0x137/0x370 [ 58.769841][ T571] cgroup_apply_control_enable+0x8b9/0x12f0 [ 58.775711][ T571] cgroup_apply_control+0x93/0x710 [ 58.780799][ T571] ? css_next_child+0x160/0x160 [ 58.785631][ T571] ? io_schedule+0x120/0x120 [ 58.790543][ T571] ? kernfs_fop_write_iter+0x15e/0x410 [ 58.795971][ T571] ? __kasan_check_write+0x14/0x20 [ 58.801053][ T571] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 58.806318][ T571] cgroup_subtree_control_write+0xd19/0x1310 [ 58.812271][ T571] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 58.818230][ T571] ? __kasan_check_write+0x14/0x20 [ 58.823323][ T571] ? _copy_from_iter+0x3fb/0xd60 [ 58.828233][ T571] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 58.834184][ T571] cgroup_file_write+0x28e/0x590 [ 58.839094][ T571] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.844176][ T571] ? mutex_lock+0xa6/0x110 [ 58.848569][ T571] ? mutex_trylock+0xb0/0xb0 [ 58.853128][ T571] ? __kasan_check_write+0x14/0x20 [ 58.858209][ T571] kernfs_fop_write_iter+0x2d0/0x410 [ 58.863466][ T571] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.868558][ T571] vfs_write+0xc1c/0xf40 [ 58.872869][ T571] ? kernel_write+0x3c0/0x3c0 [ 58.877527][ T571] ? mutex_trylock+0xb0/0xb0 [ 58.882174][ T571] ? __fdget_pos+0x26d/0x310 [ 58.886736][ T571] ? ksys_write+0x77/0x2c0 [ 58.891315][ T571] ksys_write+0x198/0x2c0 [ 58.895643][ T571] ? __ia32_sys_read+0x90/0x90 [ 58.900381][ T571] ? debug_smp_processor_id+0x17/0x20 [ 58.905727][ T571] __x64_sys_write+0x7b/0x90 [ 58.910477][ T571] do_syscall_64+0x34/0x70 [ 58.914872][ T571] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.920998][ T571] RIP: 0033:0x7effca6dd0e9 [ 58.925652][ T571] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.946657][ T571] RSP: 002b:00007effca632168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.955047][ T571] RAX: ffffffffffffffda RBX: 00007effca7f0030 RCX: 00007effca6dd0e9 [ 58.962993][ T571] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.970946][ T571] RBP: 00007effca6321d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.978984][ T571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.987087][ T571] R13: 00007ffd589e604f R14: 00007effca632300 R15: 0000000000022000 [ 58.995277][ T571] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 59.043768][ C0] list_add corruption. prev->next should be next (ffff8881f725c060), but was ffff888113caf470. (prev=ffff888113caf470). [ 59.056531][ C0] ------------[ cut here ]------------ [ 59.061964][ C0] kernel BUG at lib/list_debug.c:28! [ 59.067785][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 59.074179][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.10.113-syzkaller-986961-g681997eca143 #0 [ 59.085626][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.096038][ C0] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 59.101502][ C0] Code: 48 c7 c7 40 dc 43 85 4c 89 e6 4c 89 f1 31 c0 e8 7d 2b 40 02 0f 0b 48 c7 c7 00 dd 43 85 4c 89 f6 4c 89 e1 31 c0 e8 67 2b 40 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49 [ 59.121326][ C0] RSP: 0018:ffffc90000007a00 EFLAGS: 00010046 [ 59.127402][ C0] RAX: 0000000000000075 RBX: ffff8881f725c068 RCX: 81cfbe2348ce8300 [ 59.135373][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 59.143334][ C0] RBP: ffffc90000007a28 R08: ffffffff8153b378 R09: ffffed103ee4a5d8 [ 59.151290][ C0] R10: ffffed103ee4a5d8 R11: 1ffff1103ee4a5d7 R12: ffff888113caf470 [ 59.159246][ C0] R13: dffffc0000000000 R14: ffff8881f725c060 R15: ffff888113caf470 [ 59.167253][ C0] FS: 0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 59.176436][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.183030][ C0] CR2: 00007effca763e69 CR3: 000000010c8e3000 CR4: 00000000003506b0 [ 59.191010][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.198977][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.207023][ C0] Call Trace: [ 59.210379][ C0] [ 59.213227][ C0] insert_work+0x107/0x330 [ 59.218183][ C0] __queue_work+0x971/0xd30 [ 59.222677][ C0] queue_work_on+0xf2/0x150 [ 59.227464][ C0] ? wq_worker_last_func+0x50/0x50 [ 59.232569][ C0] ? __alloc_reserved_percpu+0x30/0x30 [ 59.238031][ C0] css_release+0xae/0xc0 [ 59.242262][ C0] percpu_ref_switch_to_atomic_rcu+0x5a2/0x5b0 [ 59.248800][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 59.254858][ C0] rcu_do_batch+0x4f8/0xbc0 [ 59.259355][ C0] ? local_bh_enable+0x20/0x20 [ 59.264099][ C0] ? note_gp_changes+0x158/0x260 [ 59.269027][ C0] ? update_load_avg+0x4e7/0xa90 [ 59.273948][ C0] rcu_core+0x59b/0xe30 [ 59.278109][ C0] ? rcu_cpu_kthread_park+0x90/0x90 [ 59.283289][ C0] rcu_core_si+0x9/0x10 [ 59.287459][ C0] __do_softirq+0x27e/0x596 [ 59.291970][ C0] asm_call_irq_on_stack+0xf/0x20 [ 59.297106][ C0] [ 59.300056][ C0] do_softirq_own_stack+0x60/0x80 [ 59.305334][ C0] __irq_exit_rcu+0x128/0x150 [ 59.310256][ C0] irq_exit_rcu+0x9/0x10 [ 59.314493][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 59.320137][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 59.326106][ C0] RIP: 0010:acpi_idle_do_entry+0xbb/0x1f0 [ 59.331820][ C0] Code: 89 de 48 83 e6 08 31 ff e8 f2 a1 d9 fc 48 83 e3 08 0f 85 ae 00 00 00 e9 0c 00 00 00 e8 be 9c d9 fc 0f 00 2d 47 b1 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 [ 59.351679][ C0] RSP: 0018:ffffffff85e07be8 EFLAGS: 00000246 [ 59.357849][ C0] RAX: 1ffffffff0bc35f0 RBX: 0000000000000000 RCX: 0000000000000000 [ 59.366448][ C0] RDX: ffffffff85e1af80 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.374804][ C0] RBP: ffffffff85e07c00 R08: ffffffff84931cde R09: fffffbfff0bc35f1 [ 59.383033][ C0] R10: fffffbfff0bc35f1 R11: 1ffffffff0bc35f0 R12: 0000000000000001 [ 59.391375][ C0] R13: ffff888102bfc804 R14: ffff888105dfb064 R15: dffffc0000000000 [ 59.399347][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 59.404619][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 59.410215][ C0] acpi_idle_enter+0x32d/0x4f0 [ 59.415619][ C0] ? rcu_dynticks_eqs_enter+0xa/0x40 [ 59.420906][ C0] ? acpi_idle_lpi_enter+0xe0/0xe0 [ 59.426041][ C0] cpuidle_enter_state+0x5d0/0x14a0 [ 59.431435][ C0] ? cpuidle_enter_s2idle+0x610/0x610 [ 59.437067][ C0] ? menu_enable_device+0x370/0x370 [ 59.442580][ C0] ? rcu_nocb_flush_deferred_wakeup+0x67/0x2f0 [ 59.448742][ C0] ? sched_clock_cpu+0x1b/0x3b0 [ 59.453590][ C0] cpuidle_enter+0x5f/0xa0 [ 59.457994][ C0] do_idle+0x369/0x5d0 [ 59.462180][ C0] ? idle_inject_timer_fn+0x60/0x60 [ 59.467406][ C0] ? do_idle+0x5b3/0x5d0 [ 59.472450][ C0] cpu_startup_entry+0x25/0x30 [ 59.478642][ C0] rest_init+0xe6/0xf0 [ 59.485273][ C0] ? time_init+0x38/0x38 [ 59.494523][ C0] arch_call_rest_init+0xe/0x10 [ 59.503533][ C0] start_kernel+0x45a/0x4cc [ 59.509215][ C0] x86_64_start_reservations+0x2a/0x2c [ 59.516522][ C0] x86_64_start_kernel+0x7a/0x7d [ 59.522983][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 59.529484][ C0] Modules linked in: [ 59.533401][ C0] ---[ end trace 68bd702982a0610b ]--- [ 59.540278][ C0] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 59.546314][ C0] Code: 48 c7 c7 40 dc 43 85 4c 89 e6 4c 89 f1 31 c0 e8 7d 2b 40 02 0f 0b 48 c7 c7 00 dd 43 85 4c 89 f6 4c 89 e1 31 c0 e8 67 2b 40 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49 [ 59.566770][ C0] RSP: 0018:ffffc90000007a00 EFLAGS: 00010046 [ 59.573401][ C0] RAX: 0000000000000075 RBX: ffff8881f725c068 RCX: 81cfbe2348ce8300 [ 59.581372][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 59.589431][ C0] RBP: ffffc90000007a28 R08: ffffffff8153b378 R09: ffffed103ee4a5d8 [ 59.597655][ C0] R10: ffffed103ee4a5d8 R11: 1ffff1103ee4a5d7 R12: ffff888113caf470 [ 59.605738][ C0] R13: dffffc0000000000 R14: ffff8881f725c060 R15: ffff888113caf470 [ 59.614004][ C0] FS: 0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 59.623627][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.630317][ C0] CR2: 00007effca763e69 CR3: 000000010c8e3000 CR4: 00000000003506b0 [ 59.638579][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.646664][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.654849][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 59.662391][ C0] Kernel Offset: disabled [ 59.666731][ C0] Rebooting in 86400 seconds..