[ 20.459218][ T381] !!! css_create !!! [ 20.463355][ T381] !!! css_create !!! [ 20.467329][ T381] !!! css_create !!! [ 20.471519][ T381] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 20.960905][ T7] device bridge_slave_1 left promiscuous mode [ 20.967124][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.974943][ T7] device bridge_slave_0 left promiscuous mode [ 20.981431][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.179564][ T22] kauditd_printk_skb: 65 callbacks suppressed [ 31.179574][ T22] audit: type=1400 audit(1653691245.670:148): avc: denied { read } for pid=141 comm="syslogd" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Warning: Permanently added '10.128.1.116' (ECDSA) to the list of known hosts. 2022/05/27 22:40:52 parsed 1 programs [ 37.768059][ T22] audit: type=1400 audit(1653691252.260:149): avc: denied { mounton } for pid=408 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 37.768387][ T408] cgroup: Unknown subsys name 'net' [ 37.796906][ T408] cgroup: Unknown subsys name 'devices' [ 37.803411][ T408] cgroup: Unknown subsys name 'hugetlb' [ 37.809000][ T408] cgroup: Unknown subsys name 'rlimit' 2022/05/27 22:40:52 executed programs: 0 [ 37.815022][ T22] audit: type=1400 audit(1653691252.320:150): avc: denied { mounton } for pid=408 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 37.841759][ T22] audit: type=1400 audit(1653691252.320:151): avc: denied { mount } for pid=408 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 37.876422][ T22] audit: type=1400 audit(1653691252.330:152): avc: denied { mounton } for pid=413 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 [ 37.894724][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.901620][ T22] audit: type=1400 audit(1653691252.330:153): avc: denied { module_request } for pid=413 comm="syz-executor.2" kmod="netdev-nr2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 37.909612][ T413] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.937848][ T413] device bridge_slave_0 entered promiscuous mode [ 37.952513][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.959533][ T413] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.966914][ T413] device bridge_slave_1 entered promiscuous mode [ 38.067347][ T424] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.074480][ T424] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.081835][ T424] device bridge_slave_0 entered promiscuous mode [ 38.088635][ T424] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.095754][ T424] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.103073][ T424] device bridge_slave_1 entered promiscuous mode [ 38.118842][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.126024][ T420] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.133444][ T420] device bridge_slave_0 entered promiscuous mode [ 38.146775][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.153838][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.161143][ T417] device bridge_slave_0 entered promiscuous mode [ 38.169248][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.176276][ T413] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.183491][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.190486][ T413] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.198404][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.205552][ T420] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.213509][ T420] device bridge_slave_1 entered promiscuous mode [ 38.224238][ T425] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.231356][ T425] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.238547][ T425] device bridge_slave_0 entered promiscuous mode [ 38.246289][ T425] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.253471][ T425] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.260892][ T425] device bridge_slave_1 entered promiscuous mode [ 38.269332][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.276407][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.283837][ T417] device bridge_slave_1 entered promiscuous mode [ 38.336914][ T422] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.343984][ T422] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.351425][ T422] device bridge_slave_0 entered promiscuous mode [ 38.358529][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.366946][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.375544][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.383393][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.430337][ T422] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.437442][ T422] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.444907][ T422] device bridge_slave_1 entered promiscuous mode [ 38.452262][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.460493][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.469241][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.477883][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.486930][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.495581][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.503686][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.545045][ T22] audit: type=1400 audit(1653691253.040:154): avc: denied { mount } for pid=413 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 [ 38.557021][ T425] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.568893][ T413] !!! css_create !!! [ 38.575028][ T425] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.575085][ T425] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.579018][ T413] !!! css_create !!! [ 38.586364][ T425] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.611151][ T413] !!! css_create !!! [ 38.622387][ T413] !!! css_create !!! [ 38.626778][ T413] !!! css_create !!! [ 38.631604][ T413] !!! css_create !!! [ 38.632419][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.635745][ T413] !!! css_create !!! [ 38.647608][ T413] !!! css_create !!! [ 38.651757][ T18] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.659045][ T18] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.666936][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.675990][ T18] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.683103][ T18] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.690500][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.699207][ T18] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.706226][ T18] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.713559][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.749956][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.753053][ T22] audit: type=1400 audit(1653691253.240:155): avc: denied { mounton } for pid=443 comm="syz-executor.2" path="/root/syzkaller-testdir664426092/syzkaller.MHoAbb/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 38.757858][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.793594][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.801637][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.809875][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.810689][ C0] !!! css_killed_ref_fn css ffff88811c142800 !!! [ 38.818283][ T18] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.824363][ C0] !!! css_killed_ref_fn css ffff88810b15c400 !!! [ 38.831366][ T18] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.837693][ T5] !!! css_release css ffff88811c142800 !!! [ 38.845296][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.850964][ T5] !!! css_put is zero set CSS_NO_REF css ffff88811c142800 !!! [ 38.858820][ T18] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.866156][ T5] !!! css_release css ffff88810b15c400 !!! [ 38.873111][ T18] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.873429][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.879158][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810b15c400 !!! [ 38.886672][ T18] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.894658][ T444] !!! css_create !!! [ 38.902080][ T18] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.902393][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.909962][ T444] !!! css_create !!! [ 38.913264][ T18] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.920312][ T444] FAULT_INJECTION: forcing a failure. [ 38.920312][ T444] name failslab, interval 1, probability 0, space 0, times 1 [ 38.928285][ T18] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.928533][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.932389][ T444] CPU: 0 PID: 444 Comm: syz-executor.2 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 38.976837][ T444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.987052][ T444] Call Trace: [ 38.990340][ T444] dump_stack+0x19c/0x1e2 [ 38.994673][ T444] should_fail+0x3f7/0x5b0 [ 38.999243][ T444] __should_failslab+0xd2/0x130 [ 39.004074][ T444] should_failslab+0x9/0x20 [ 39.008739][ T444] slab_pre_alloc_hook+0x25/0xe0 [ 39.013648][ T444] kmem_cache_alloc_trace+0x47/0x2b0 [ 39.018905][ T444] ? allocate_cgrp_cset_links+0xb3/0x270 [ 39.024851][ T444] allocate_cgrp_cset_links+0xb3/0x270 [ 39.030286][ T444] find_css_set+0x9ea/0x1500 [ 39.034849][ T444] cgroup_migrate_prepare_dst+0xd1/0x950 [ 39.040461][ T444] cgroup_apply_control+0x567/0x710 [ 39.045630][ T444] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.051589][ T444] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.057543][ T444] cgroup_file_write+0x22f/0x4f0 [ 39.062450][ T444] kernfs_fop_write_iter+0x2cd/0x410 [ 39.067804][ T444] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.072884][ T444] vfs_write+0xb57/0xe50 [ 39.077103][ T444] ksys_write+0x157/0x260 [ 39.081411][ T444] __x64_sys_write+0x7b/0x90 [ 39.085971][ T444] do_syscall_64+0x34/0x70 [ 39.090365][ T444] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.096230][ T444] RIP: 0033:0x7f8883ff40e9 [ 39.100633][ T444] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.120301][ T444] RSP: 002b:00007f8883f6a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.128686][ T444] RAX: ffffffffffffffda RBX: 00007f8884106f60 RCX: 00007f8883ff40e9 [ 39.136645][ T444] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.144603][ T444] RBP: 00007f8883f6a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.152832][ T444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.160866][ T444] R13: 00007ffc3f0e351f R14: 00007f8883f6a300 R15: 0000000000022000 [ 39.169585][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.177871][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.186274][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.195503][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.204490][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.212601][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.220747][ C0] !!! css_killed_ref_fn css ffff88810b104c00 !!! [ 39.227082][ C0] !!! css_killed_ref_fn css ffff88810b105000 !!! [ 39.233560][ T386] !!! css_release css ffff88810b104c00 !!! [ 39.239349][ T386] !!! css_put is zero set CSS_NO_REF css ffff88810b104c00 !!! [ 39.250736][ T5] !!! css_release css ffff88810b105000 !!! [ 39.257304][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810b105000 !!! [ 39.264861][ T448] !!! css_create !!! [ 39.265945][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.268793][ T448] !!! css_create !!! [ 39.278343][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.281075][ T448] FAULT_INJECTION: forcing a failure. [ 39.281075][ T448] name failslab, interval 1, probability 0, space 0, times 0 [ 39.288302][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.299938][ T448] CPU: 0 PID: 448 Comm: syz-executor.2 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 39.308172][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.318337][ T448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.318341][ T448] Call Trace: [ 39.318356][ T448] dump_stack+0x19c/0x1e2 [ 39.318366][ T448] should_fail+0x3f7/0x5b0 [ 39.318374][ T448] __should_failslab+0xd2/0x130 [ 39.318382][ T448] should_failslab+0x9/0x20 [ 39.318390][ T448] slab_pre_alloc_hook+0x25/0xe0 [ 39.318398][ T448] kmem_cache_alloc_trace+0x47/0x2b0 [ 39.318406][ T448] ? allocate_cgrp_cset_links+0xb3/0x270 [ 39.318414][ T448] allocate_cgrp_cset_links+0xb3/0x270 [ 39.318428][ T448] find_css_set+0x9ea/0x1500 [ 39.326823][ T18] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.336674][ T448] cgroup_migrate_prepare_dst+0xd1/0x950 [ 39.336688][ T448] cgroup_apply_control+0x567/0x710 [ 39.339948][ T18] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.344257][ T448] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.344270][ T448] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.348783][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.353494][ T448] cgroup_file_write+0x22f/0x4f0 [ 39.353503][ T448] kernfs_fop_write_iter+0x2cd/0x410 [ 39.353517][ T448] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.358159][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.362985][ T448] vfs_write+0xb57/0xe50 [ 39.362995][ T448] ksys_write+0x157/0x260 [ 39.363007][ T448] __x64_sys_write+0x7b/0x90 [ 39.368469][ T18] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.373961][ T448] do_syscall_64+0x34/0x70 [ 39.373975][ T448] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.379398][ T18] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.383954][ T448] RIP: 0033:0x7f8883ff40e9 [ 39.383967][ T448] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.391166][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.396635][ T448] RSP: 002b:00007f8883f49168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.396653][ T448] RAX: ffffffffffffffda RBX: 00007f8884107030 RCX: 00007f8883ff40e9 [ 39.401994][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.408980][ T448] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.408985][ T448] RBP: 00007f8883f491d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.408996][ T448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.415111][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.421235][ T448] R13: 00007ffc3f0e351f R14: 00007f8883f49300 R15: 0000000000022000 [ 39.589405][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.597390][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.597550][ T22] audit: type=1400 audit(1653691254.100:156): avc: denied { append } for pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 39.605418][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.640678][ C0] !!! css_killed_ref_fn css ffff88810bb43800 !!! [ 39.647021][ C0] !!! css_killed_ref_fn css ffff88810bb43400 !!! [ 39.653676][ T22] audit: type=1400 audit(1653691254.100:157): avc: denied { open } for pid=141 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 39.654602][ T386] !!! css_release css ffff88810bb43800 !!! [ 39.681352][ T22] audit: type=1400 audit(1653691254.100:158): avc: denied { getattr } for pid=141 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 39.683087][ T386] !!! css_put is zero set CSS_NO_REF css ffff88810bb43800 !!! [ 39.710793][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.713888][ T5] !!! css_release css ffff88810bb43400 !!! [ 39.720098][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.725960][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810bb43400 !!! [ 39.734179][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.741938][ T424] !!! css_create !!! [ 39.750458][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.754175][ T424] !!! css_create !!! [ 39.761954][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.766101][ T451] !!! css_create !!! [ 39.774332][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.778513][ T451] !!! css_create !!! [ 39.786135][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.789779][ T451] !!! css_create !!! [ 39.797901][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.801850][ T451] FAULT_INJECTION: forcing a failure. [ 39.801850][ T451] name failslab, interval 1, probability 0, space 0, times 0 [ 39.809997][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.822495][ T451] CPU: 0 PID: 451 Comm: syz-executor.2 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 39.822507][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.830509][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.840396][ T451] Call Trace: [ 39.840412][ T451] dump_stack+0x19c/0x1e2 [ 39.840422][ T451] should_fail+0x3f7/0x5b0 [ 39.840430][ T451] __should_failslab+0xd2/0x130 [ 39.840437][ T451] should_failslab+0x9/0x20 [ 39.840445][ T451] slab_pre_alloc_hook+0x25/0xe0 [ 39.840454][ T451] ? __kernfs_new_node+0x4c/0x6d0 [ 39.840461][ T451] __kmalloc_track_caller+0x70/0x300 [ 39.840476][ T451] ? __kernfs_new_node+0x4c/0x6d0 [ 39.850987][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.858284][ T451] kstrdup_const+0x55/0x90 [ 39.858299][ T451] __kernfs_new_node+0x4c/0x6d0 [ 39.917193][ T451] ? string+0x29f/0x2b0 [ 39.921320][ T451] ? vsnprintf+0x1a6c/0x1b30 [ 39.925978][ T451] kernfs_new_node+0x97/0x170 [ 39.930627][ T451] __kernfs_create_file+0x4a/0x270 [ 39.935915][ T451] cgroup_addrm_files+0x99e/0xeb0 [ 39.940915][ T451] ? delete_node+0x747/0x7a0 [ 39.945565][ T451] css_populate_dir+0x137/0x370 [ 39.950383][ T451] cgroup_apply_control_enable+0x31e/0xfc0 [ 39.956265][ T451] cgroup_apply_control+0x36/0x710 [ 39.961541][ T451] ? init_wait_entry+0xe0/0xe0 [ 39.966281][ T451] ? cgroup_kn_lock_live+0x1af/0x370 [ 39.971716][ T451] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.977763][ T451] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.983716][ T451] cgroup_file_write+0x22f/0x4f0 [ 39.988630][ T451] kernfs_fop_write_iter+0x2cd/0x410 [ 39.993902][ T451] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.999075][ T451] vfs_write+0xb57/0xe50 [ 40.003296][ T451] ksys_write+0x157/0x260 [ 40.007606][ T451] __x64_sys_write+0x7b/0x90 [ 40.012701][ T451] do_syscall_64+0x34/0x70 [ 40.017109][ T451] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.022999][ T451] RIP: 0033:0x7f8883ff40e9 [ 40.027389][ T451] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.047147][ T451] RSP: 002b:00007f8883f49168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.055623][ T451] RAX: ffffffffffffffda RBX: 00007f8884107030 RCX: 00007f8883ff40e9 [ 40.063592][ T451] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.071881][ T451] RBP: 00007f8883f491d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.080189][ T451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.088239][ T451] R13: 00007ffc3f0e351f R14: 00007f8883f49300 R15: 0000000000022000 [ 40.097352][ T451] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.108137][ T424] !!! css_create !!! [ 40.108461][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.120212][ T424] !!! css_create !!! [ 40.120490][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.124706][ T424] !!! css_create !!! [ 40.132655][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.135979][ T424] !!! css_create !!! [ 40.145941][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.153367][ T424] !!! css_create !!! [ 40.156851][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.159544][ C0] !!! css_killed_ref_fn css ffff88810be23000 !!! [ 40.167341][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.174072][ C0] !!! css_killed_ref_fn css ffff88810be20000 !!! [ 40.182604][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.191197][ C0] !!! css_killed_ref_fn css ffff88810be22c00 !!! [ 40.206229][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.214748][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.223170][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.230722][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.238203][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.246448][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.254932][ T447] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.261986][ T447] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.269398][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.277687][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.285833][ T447] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.292862][ T447] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.300435][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.308419][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.316238][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.324205][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.332198][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.340401][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.349945][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.358026][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.366921][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.375091][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.383181][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.391418][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.400438][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.408281][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.416583][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.425036][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.433352][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.441770][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.449928][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.458029][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.466238][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.474866][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.483229][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.491739][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.508905][ T386] !!! css_release css ffff88810be23000 !!! [ 40.511201][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.519737][ T386] !!! css_put is zero set CSS_NO_REF css ffff88810be23000 !!! [ 40.522832][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.530459][ T5] !!! css_release css ffff88810be20000 !!! [ 40.539375][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.544872][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810be20000 !!! [ 40.552689][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.559963][ T386] !!! css_release css ffff88810be22c00 !!! [ 40.567944][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.573564][ T386] !!! css_put is zero set CSS_NO_REF css ffff88810be22c00 !!! [ 40.597507][ T459] !!! css_create !!! [ 40.602855][ T459] !!! css_create !!! [ 40.607040][ T459] !!! css_create !!! [ 40.612247][ T459] FAULT_INJECTION: forcing a failure. [ 40.612247][ T459] name failslab, interval 1, probability 0, space 0, times 0 [ 40.625263][ T459] CPU: 0 PID: 459 Comm: syz-executor.2 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 40.635576][ T459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.645957][ T459] Call Trace: [ 40.649228][ T459] dump_stack+0x19c/0x1e2 [ 40.654020][ T459] should_fail+0x3f7/0x5b0 [ 40.658706][ T459] __should_failslab+0xd2/0x130 [ 40.663632][ T459] ? __kernfs_new_node+0x97/0x6d0 [ 40.668646][ T459] should_failslab+0x9/0x20 [ 40.673398][ T459] slab_pre_alloc_hook+0x25/0xe0 [ 40.678394][ T459] ? __kernfs_new_node+0x97/0x6d0 [ 40.683604][ T459] kmem_cache_alloc+0x40/0x2a0 [ 40.688428][ T459] __kernfs_new_node+0x97/0x6d0 [ 40.693247][ T459] ? string+0x29f/0x2b0 [ 40.697373][ T459] ? vsnprintf+0x1a6c/0x1b30 [ 40.701938][ T459] kernfs_new_node+0x97/0x170 [ 40.706594][ T459] __kernfs_create_file+0x4a/0x270 [ 40.711680][ T459] cgroup_addrm_files+0x99e/0xeb0 [ 40.716674][ T459] ? delete_node+0x747/0x7a0 [ 40.721236][ T459] css_populate_dir+0x137/0x370 [ 40.726064][ T459] cgroup_apply_control_enable+0x31e/0xfc0 [ 40.731850][ T459] cgroup_apply_control+0x36/0x710 [ 40.736938][ T459] ? init_wait_entry+0xe0/0xe0 [ 40.741675][ T459] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.746934][ T459] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.752884][ T459] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.758848][ T459] cgroup_file_write+0x22f/0x4f0 [ 40.763759][ T459] kernfs_fop_write_iter+0x2cd/0x410 [ 40.769026][ T459] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.774145][ T459] vfs_write+0xb57/0xe50 [ 40.778451][ T459] ksys_write+0x157/0x260 [ 40.783016][ T459] __x64_sys_write+0x7b/0x90 [ 40.787590][ T459] do_syscall_64+0x34/0x70 [ 40.791984][ T459] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.797854][ T459] RIP: 0033:0x7f8883ff40e9 [ 40.802243][ T459] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.821915][ T459] RSP: 002b:00007f8883f6a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.832483][ T459] RAX: ffffffffffffffda RBX: 00007f8884106f60 RCX: 00007f8883ff40e9 [ 40.840853][ T459] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.848942][ T459] RBP: 00007f8883f6a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.856995][ T459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.865068][ T459] R13: 00007ffc3f0e351f R14: 00007f8883f6a300 R15: 0000000000022000 [ 40.873837][ T459] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.884683][ T422] !!! css_create !!! [ 40.891017][ T422] !!! css_create !!! [ 40.898166][ T425] !!! css_create !!! [ 40.903211][ T425] !!! css_create !!! [ 40.908367][ T420] !!! css_create !!! [ 40.912451][ C0] !!! css_killed_ref_fn css ffff88810c7cfc00 !!! [ 40.912462][ C0] !!! css_killed_ref_fn css ffff88810c7cd800 !!! [ 40.912468][ C0] !!! css_killed_ref_fn css ffff88810c7cec00 !!! [ 40.932334][ T420] !!! css_create !!! [ 40.936526][ T425] !!! css_create !!! [ 40.940507][ T425] !!! css_create !!! [ 40.945107][ T107] !!! css_release css ffff88810c7cfc00 !!! [ 40.951024][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810c7cfc00 !!! [ 40.959125][ T422] !!! css_create !!! [ 40.963314][ T422] !!! css_create !!! [ 40.967465][ T425] !!! css_create !!! [ 40.971868][ T425] !!! css_create !!! [ 40.975805][ T425] !!! css_create !!! [ 40.981045][ T107] !!! css_release css ffff88810c7cd800 !!! [ 40.991117][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810c7cd800 !!! [ 40.998805][ T420] !!! css_create !!! [ 41.002893][ T420] !!! css_create !!! [ 41.007287][ T422] !!! css_create !!! [ 41.011412][ T422] !!! css_create !!! [ 41.015595][ T422] !!! css_create !!! [ 41.019645][ T107] !!! css_release css ffff88810c7cec00 !!! [ 41.025491][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810c7cec00 !!! [ 41.033296][ T474] !!! css_create !!! [ 41.037238][ T474] !!! css_create !!! [ 41.041500][ T474] !!! css_create !!! [ 41.045408][ T474] FAULT_INJECTION: forcing a failure. [ 41.045408][ T474] name failslab, interval 1, probability 0, space 0, times 0 [ 41.058014][ T474] CPU: 0 PID: 474 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 41.068233][ T474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.078534][ T474] Call Trace: [ 41.081800][ T474] dump_stack+0x19c/0x1e2 [ 41.086113][ T474] should_fail+0x3f7/0x5b0 [ 41.090500][ T474] __should_failslab+0xd2/0x130 [ 41.095341][ T474] ? __kernfs_new_node+0x97/0x6d0 [ 41.100414][ T474] should_failslab+0x9/0x20 [ 41.104898][ T474] slab_pre_alloc_hook+0x25/0xe0 [ 41.109826][ T474] ? __kernfs_new_node+0x97/0x6d0 [ 41.114836][ T474] kmem_cache_alloc+0x40/0x2a0 [ 41.119599][ T474] __kernfs_new_node+0x97/0x6d0 [ 41.125153][ T474] ? string+0x29f/0x2b0 [ 41.129311][ T474] ? vsnprintf+0x1a6c/0x1b30 [ 41.133966][ T474] kernfs_new_node+0x97/0x170 [ 41.138614][ T474] __kernfs_create_file+0x4a/0x270 [ 41.143731][ T474] cgroup_addrm_files+0x99e/0xeb0 [ 41.148741][ T474] ? delete_node+0x747/0x7a0 [ 41.153314][ T474] css_populate_dir+0x137/0x370 [ 41.158177][ T474] cgroup_apply_control_enable+0x31e/0xfc0 [ 41.163975][ T474] cgroup_apply_control+0x36/0x710 [ 41.169062][ T474] ? init_wait_entry+0xe0/0xe0 [ 41.173899][ T474] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.179286][ T474] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.185255][ T474] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.191208][ T474] cgroup_file_write+0x22f/0x4f0 [ 41.196193][ T474] kernfs_fop_write_iter+0x2cd/0x410 [ 41.201460][ T474] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.206546][ T474] vfs_write+0xb57/0xe50 [ 41.210766][ T474] ksys_write+0x157/0x260 [ 41.215075][ T474] __x64_sys_write+0x7b/0x90 [ 41.219656][ T474] do_syscall_64+0x34/0x70 [ 41.224162][ T474] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.230043][ T474] RIP: 0033:0x7fc33a37c0e9 [ 41.234532][ T474] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.254208][ T474] RSP: 002b:00007fc33a2f2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.262595][ T474] RAX: ffffffffffffffda RBX: 00007fc33a48ef60 RCX: 00007fc33a37c0e9 [ 41.270540][ T474] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.278491][ T474] RBP: 00007fc33a2f21d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.286437][ T474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.294431][ T474] R13: 00007ffdd960126f R14: 00007fc33a2f2300 R15: 0000000000022000 [ 41.304403][ T474] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.312429][ T420] !!! css_create !!! [ 41.316529][ T420] !!! css_create !!! [ 41.320563][ T420] !!! css_create !!! [ 41.332892][ C1] !!! css_killed_ref_fn css ffff88810cb5d000 !!! [ 41.339262][ C1] !!! css_killed_ref_fn css ffff88810d0dd400 !!! [ 41.345585][ C1] !!! css_killed_ref_fn css ffff88810d0df400 !!! [ 41.351931][ T464] !!! css_release css ffff88810cb5d000 !!! [ 41.357713][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810cb5d000 !!! [ 41.365427][ T464] !!! css_release css ffff88810d0dd400 !!! [ 41.372014][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810d0dd400 !!! [ 41.379708][ T464] !!! css_release css ffff88810d0df400 !!! [ 41.385914][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810d0df400 !!! [ 41.393761][ T483] !!! css_create !!! [ 41.397765][ T483] !!! css_create !!! [ 41.401760][ T483] !!! css_create !!! [ 41.405646][ T483] FAULT_INJECTION: forcing a failure. [ 41.405646][ T483] name failslab, interval 1, probability 0, space 0, times 0 [ 41.418549][ T483] CPU: 1 PID: 483 Comm: syz-executor.4 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 41.428678][ T483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.438724][ T483] Call Trace: [ 41.442004][ T483] dump_stack+0x19c/0x1e2 [ 41.446317][ T483] should_fail+0x3f7/0x5b0 [ 41.450721][ T483] __should_failslab+0xd2/0x130 [ 41.455554][ T483] should_failslab+0x9/0x20 [ 41.460031][ T483] slab_pre_alloc_hook+0x25/0xe0 [ 41.464951][ T483] kmem_cache_alloc_trace+0x47/0x2b0 [ 41.470208][ T483] ? percpu_ref_init+0xd0/0x330 [ 41.475042][ T483] percpu_ref_init+0xd0/0x330 [ 41.479692][ T483] ? cgroup_setup_root+0x8a0/0x8a0 [ 41.484798][ T483] cgroup_apply_control_enable+0x49f/0xfc0 [ 41.490583][ T483] cgroup_apply_control+0x36/0x710 [ 41.495665][ T483] ? init_wait_entry+0xe0/0xe0 [ 41.500414][ T483] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.505845][ T483] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.512180][ T483] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.518426][ T483] cgroup_file_write+0x22f/0x4f0 [ 41.523517][ T483] kernfs_fop_write_iter+0x2cd/0x410 [ 41.529123][ T483] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.534294][ T483] vfs_write+0xb57/0xe50 [ 41.538604][ T483] ksys_write+0x157/0x260 [ 41.542921][ T483] __x64_sys_write+0x7b/0x90 [ 41.547487][ T483] do_syscall_64+0x34/0x70 [ 41.551875][ T483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.557751][ T483] RIP: 0033:0x7f81211b20e9 [ 41.562160][ T483] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.581824][ T483] RSP: 002b:00007f8121107168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.590305][ T483] RAX: ffffffffffffffda RBX: 00007f81212c5030 RCX: 00007f81211b20e9 [ 41.598337][ T483] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.606284][ T483] RBP: 00007f81211071d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.614501][ T483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.622462][ T483] R13: 00007ffeb97efecf R14: 00007f8121107300 R15: 0000000000022000 [ 41.660763][ C0] !!! css_killed_ref_fn css ffff88810d55c400 !!! [ 41.667133][ C0] !!! css_killed_ref_fn css ffff88810d141400 !!! [ 41.673944][ T107] !!! css_release css ffff88810d55c400 !!! [ 41.679737][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d55c400 !!! [ 41.687538][ T107] !!! css_release css ffff88810d141400 !!! [ 41.693514][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d141400 !!! [ 41.701487][ T484] !!! css_create !!! [ 41.705479][ T484] !!! css_create !!! [ 41.709429][ T484] !!! css_create !!! [ 41.714024][ T484] FAULT_INJECTION: forcing a failure. [ 41.714024][ T484] name failslab, interval 1, probability 0, space 0, times 0 [ 41.726632][ T484] CPU: 1 PID: 484 Comm: syz-executor.3 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 41.736872][ T484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.746907][ T484] Call Trace: [ 41.750170][ T484] dump_stack+0x19c/0x1e2 [ 41.754472][ T484] should_fail+0x3f7/0x5b0 [ 41.758953][ T484] __should_failslab+0xd2/0x130 [ 41.764031][ T484] should_failslab+0x9/0x20 [ 41.768511][ T484] slab_pre_alloc_hook+0x25/0xe0 [ 41.773519][ T484] ? __kernfs_new_node+0x4c/0x6d0 [ 41.778636][ T484] __kmalloc_track_caller+0x70/0x300 [ 41.783901][ T484] ? __kernfs_new_node+0x4c/0x6d0 [ 41.789515][ T484] kstrdup_const+0x55/0x90 [ 41.793906][ T484] __kernfs_new_node+0x4c/0x6d0 [ 41.798732][ T484] ? string+0x29f/0x2b0 [ 41.802860][ T484] ? vsnprintf+0x1a6c/0x1b30 [ 41.807417][ T484] kernfs_new_node+0x97/0x170 [ 41.812154][ T484] __kernfs_create_file+0x4a/0x270 [ 41.817238][ T484] cgroup_addrm_files+0x99e/0xeb0 [ 41.822253][ T484] ? delete_node+0x747/0x7a0 [ 41.826823][ T484] css_populate_dir+0x137/0x370 [ 41.831658][ T484] cgroup_apply_control_enable+0x31e/0xfc0 [ 41.837687][ T484] cgroup_apply_control+0x36/0x710 [ 41.842790][ T484] ? init_wait_entry+0xe0/0xe0 [ 41.847618][ T484] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.852877][ T484] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.858956][ T484] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.864918][ T484] cgroup_file_write+0x22f/0x4f0 [ 41.869840][ T484] kernfs_fop_write_iter+0x2cd/0x410 [ 41.875103][ T484] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.880224][ T484] vfs_write+0xb57/0xe50 [ 41.884446][ T484] ksys_write+0x157/0x260 [ 41.888744][ T484] __x64_sys_write+0x7b/0x90 [ 41.893311][ T484] do_syscall_64+0x34/0x70 [ 41.897712][ T484] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.903673][ T484] RIP: 0033:0x7fe21c94c0e9 [ 41.908068][ T484] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.927791][ T484] RSP: 002b:00007fe21c8a1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.936205][ T484] RAX: ffffffffffffffda RBX: 00007fe21ca5f030 RCX: 00007fe21c94c0e9 [ 41.944166][ T484] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.952154][ T484] RBP: 00007fe21c8a11d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.960195][ T484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.968236][ T484] R13: 00007ffc9e38a35f R14: 00007fe21c8a1300 R15: 0000000000022000 [ 41.978354][ T484] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.000761][ C0] !!! css_killed_ref_fn css ffff88810d550000 !!! [ 42.007144][ C0] !!! css_killed_ref_fn css ffff88810d552c00 !!! [ 42.013460][ C0] !!! css_killed_ref_fn css ffff88810d555400 !!! [ 42.019838][ T107] !!! css_release css ffff88810d550000 !!! [ 42.025641][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d550000 !!! [ 42.033607][ T107] !!! css_release css ffff88810d552c00 !!! [ 42.039401][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d552c00 !!! [ 42.047243][ T107] !!! css_release css ffff88810d555400 !!! [ 42.053093][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d555400 !!! [ 42.060568][ T476] !!! css_create !!! [ 42.064662][ T476] !!! css_create !!! [ 42.068663][ T476] !!! css_create !!! [ 42.072728][ T476] FAULT_INJECTION: forcing a failure. [ 42.072728][ T476] name failslab, interval 1, probability 0, space 0, times 0 [ 42.085443][ T476] CPU: 1 PID: 476 Comm: syz-executor.1 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 42.095895][ T476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.106017][ T476] Call Trace: [ 42.109376][ T476] dump_stack+0x19c/0x1e2 [ 42.113686][ T476] should_fail+0x3f7/0x5b0 [ 42.118090][ T476] __should_failslab+0xd2/0x130 [ 42.122960][ T476] should_failslab+0x9/0x20 [ 42.127629][ T476] slab_pre_alloc_hook+0x25/0xe0 [ 42.132538][ T476] kmem_cache_alloc_trace+0x47/0x2b0 [ 42.137897][ T476] ? percpu_ref_init+0xd0/0x330 [ 42.142831][ T476] percpu_ref_init+0xd0/0x330 [ 42.147483][ T476] ? cgroup_setup_root+0x8a0/0x8a0 [ 42.152564][ T476] cgroup_apply_control_enable+0x49f/0xfc0 [ 42.158709][ T476] cgroup_apply_control+0x36/0x710 [ 42.163802][ T476] ? init_wait_entry+0xe0/0xe0 [ 42.168537][ T476] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.173926][ T476] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.180174][ T476] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.186217][ T476] cgroup_file_write+0x22f/0x4f0 [ 42.191144][ T476] kernfs_fop_write_iter+0x2cd/0x410 [ 42.196405][ T476] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.201491][ T476] vfs_write+0xb57/0xe50 [ 42.205713][ T476] ksys_write+0x157/0x260 [ 42.210010][ T476] __x64_sys_write+0x7b/0x90 [ 42.214660][ T476] do_syscall_64+0x34/0x70 [ 42.219051][ T476] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.225013][ T476] RIP: 0033:0x7f3778d720e9 [ 42.229403][ T476] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.249864][ T476] RSP: 002b:00007f3778cc7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.258259][ T476] RAX: ffffffffffffffda RBX: 00007f3778e85030 RCX: 00007f3778d720e9 [ 42.266222][ T476] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.274178][ T476] RBP: 00007f3778cc71d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.282130][ T476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.290093][ T476] R13: 00007fffc1ff130f R14: 00007f3778cc7300 R15: 0000000000022000 [ 42.340817][ C0] !!! css_killed_ref_fn css ffff88810d7cf400 !!! [ 42.347226][ C0] !!! css_killed_ref_fn css ffff88810d7cfc00 !!! [ 42.354158][ T107] !!! css_release css ffff88810d7cf400 !!! [ 42.359965][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d7cf400 !!! [ 42.367965][ T107] !!! css_release css ffff88810d7cfc00 !!! [ 42.373811][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d7cfc00 !!! [ 42.381329][ T491] !!! css_create !!! [ 42.385243][ T491] !!! css_create !!! [ 42.389134][ T491] !!! css_create !!! [ 42.393065][ T491] FAULT_INJECTION: forcing a failure. [ 42.393065][ T491] name failslab, interval 1, probability 0, space 0, times 0 [ 42.405761][ T491] CPU: 0 PID: 491 Comm: syz-executor.3 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 42.416253][ T491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.426298][ T491] Call Trace: [ 42.429825][ T491] dump_stack+0x19c/0x1e2 [ 42.434130][ T491] should_fail+0x3f7/0x5b0 [ 42.438515][ T491] __should_failslab+0xd2/0x130 [ 42.443335][ T491] should_failslab+0x9/0x20 [ 42.447806][ T491] slab_pre_alloc_hook+0x25/0xe0 [ 42.452717][ T491] ? __kernfs_new_node+0x4c/0x6d0 [ 42.457721][ T491] __kmalloc_track_caller+0x70/0x300 [ 42.462988][ T491] ? __kernfs_new_node+0x4c/0x6d0 [ 42.467991][ T491] kstrdup_const+0x55/0x90 [ 42.472377][ T491] __kernfs_new_node+0x4c/0x6d0 [ 42.477202][ T491] ? string+0x29f/0x2b0 [ 42.481327][ T491] ? vsnprintf+0x1a6c/0x1b30 [ 42.485920][ T491] kernfs_new_node+0x97/0x170 [ 42.490572][ T491] __kernfs_create_file+0x4a/0x270 [ 42.495671][ T491] cgroup_addrm_files+0x99e/0xeb0 [ 42.500680][ T491] ? delete_node+0x747/0x7a0 [ 42.505248][ T491] css_populate_dir+0x137/0x370 [ 42.510162][ T491] cgroup_apply_control_enable+0x31e/0xfc0 [ 42.515951][ T491] cgroup_apply_control+0x36/0x710 [ 42.521038][ T491] ? init_wait_entry+0xe0/0xe0 [ 42.525778][ T491] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.531045][ T491] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.536994][ T491] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.542944][ T491] cgroup_file_write+0x22f/0x4f0 [ 42.547852][ T491] kernfs_fop_write_iter+0x2cd/0x410 [ 42.553106][ T491] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.558188][ T491] vfs_write+0xb57/0xe50 [ 42.562424][ T491] ksys_write+0x157/0x260 [ 42.566722][ T491] __x64_sys_write+0x7b/0x90 [ 42.571282][ T491] do_syscall_64+0x34/0x70 [ 42.575669][ T491] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.581531][ T491] RIP: 0033:0x7fe21c94c0e9 [ 42.585917][ 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 [ 42.605588][ T491] RSP: 002b:00007fe21c8a1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.614063][ T491] RAX: ffffffffffffffda RBX: 00007fe21ca5f030 RCX: 00007fe21c94c0e9 [ 42.622032][ T491] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.629988][ T491] RBP: 00007fe21c8a11d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.637931][ T491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.645889][ T491] R13: 00007ffc9e38a35f R14: 00007fe21c8a1300 R15: 0000000000022000 [ 42.654398][ T491] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.690682][ C0] !!! css_killed_ref_fn css ffff88810da3b800 !!! [ 42.697137][ C0] !!! css_killed_ref_fn css ffff88810da78000 !!! [ 42.703486][ C0] !!! css_killed_ref_fn css ffff88810da7b000 !!! [ 42.710255][ T107] !!! css_release css ffff88810da3b800 !!! [ 42.716325][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810da3b800 !!! [ 42.723992][ T107] !!! css_release css ffff88810da78000 !!! [ 42.729791][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810da78000 !!! [ 42.737646][ T107] !!! css_release css ffff88810da7b000 !!! [ 42.743572][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810da7b000 !!! [ 42.751186][ T485] !!! css_create !!! [ 42.755297][ T485] !!! css_create !!! [ 42.759589][ T485] !!! css_create !!! [ 42.763654][ T485] FAULT_INJECTION: forcing a failure. [ 42.763654][ T485] name failslab, interval 1, probability 0, space 0, times 0 [ 42.776454][ T485] CPU: 1 PID: 485 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 42.787661][ T485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.797703][ T485] Call Trace: [ 42.800979][ T485] dump_stack+0x19c/0x1e2 [ 42.805293][ T485] should_fail+0x3f7/0x5b0 [ 42.809684][ T485] __should_failslab+0xd2/0x130 [ 42.814892][ T485] should_failslab+0x9/0x20 [ 42.819562][ T485] slab_pre_alloc_hook+0x25/0xe0 [ 42.824486][ T485] kmem_cache_alloc_trace+0x47/0x2b0 [ 42.829758][ T485] ? percpu_ref_init+0xd0/0x330 [ 42.834683][ T485] percpu_ref_init+0xd0/0x330 [ 42.839355][ T485] ? cgroup_setup_root+0x8a0/0x8a0 [ 42.844491][ T485] cgroup_apply_control_enable+0x49f/0xfc0 [ 42.850275][ T485] cgroup_apply_control+0x36/0x710 [ 42.855377][ T485] ? init_wait_entry+0xe0/0xe0 [ 42.860120][ T485] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.865373][ T485] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.871321][ T485] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.877270][ T485] cgroup_file_write+0x22f/0x4f0 [ 42.882180][ T485] kernfs_fop_write_iter+0x2cd/0x410 [ 42.887443][ T485] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.892722][ T485] vfs_write+0xb57/0xe50 [ 42.896950][ T485] ksys_write+0x157/0x260 [ 42.901347][ T485] __x64_sys_write+0x7b/0x90 [ 42.905911][ T485] do_syscall_64+0x34/0x70 [ 42.910305][ T485] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.916280][ T485] RIP: 0033:0x7fc33a37c0e9 [ 42.920670][ T485] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 2022/05/27 22:40:57 executed programs: 18 [ 42.940246][ T485] RSP: 002b:00007fc33a2d1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.948652][ T485] RAX: ffffffffffffffda RBX: 00007fc33a48f030 RCX: 00007fc33a37c0e9 [ 42.956600][ T485] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.964550][ T485] RBP: 00007fc33a2d11d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.972495][ T485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.980701][ T485] R13: 00007ffdd960126f R14: 00007fc33a2d1300 R15: 0000000000022000 [ 43.030721][ C0] !!! css_killed_ref_fn css ffff88810da84800 !!! [ 43.037071][ C0] !!! css_killed_ref_fn css ffff88810d140800 !!! [ 43.043525][ T386] !!! css_release css ffff88810da84800 !!! [ 43.049312][ T386] !!! css_put is zero set CSS_NO_REF css ffff88810da84800 !!! [ 43.057031][ T386] !!! css_release css ffff88810d140800 !!! [ 43.062913][ T386] !!! css_put is zero set CSS_NO_REF css ffff88810d140800 !!! [ 43.071277][ T494] !!! css_create !!! [ 43.075255][ T494] !!! css_create !!! [ 43.079226][ T494] !!! css_create !!! [ 43.083358][ T494] FAULT_INJECTION: forcing a failure. [ 43.083358][ T494] name failslab, interval 1, probability 0, space 0, times 0 [ 43.095987][ T494] CPU: 1 PID: 494 Comm: syz-executor.1 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 43.106113][ T494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.116502][ T494] Call Trace: [ 43.119780][ T494] dump_stack+0x19c/0x1e2 [ 43.124259][ T494] should_fail+0x3f7/0x5b0 [ 43.128675][ T494] __should_failslab+0xd2/0x130 [ 43.133501][ T494] should_failslab+0x9/0x20 [ 43.137990][ T494] slab_pre_alloc_hook+0x25/0xe0 [ 43.143010][ T494] kmem_cache_alloc_trace+0x47/0x2b0 [ 43.148283][ T494] ? percpu_ref_init+0xd0/0x330 [ 43.153200][ T494] percpu_ref_init+0xd0/0x330 [ 43.158032][ T494] ? cgroup_setup_root+0x8a0/0x8a0 [ 43.163211][ T494] cgroup_apply_control_enable+0x49f/0xfc0 [ 43.169777][ T494] cgroup_apply_control+0x36/0x710 [ 43.174964][ T494] ? init_wait_entry+0xe0/0xe0 [ 43.179790][ T494] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.185121][ T494] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.191258][ T494] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.197660][ T494] cgroup_file_write+0x22f/0x4f0 [ 43.202611][ T494] kernfs_fop_write_iter+0x2cd/0x410 [ 43.207879][ T494] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.212967][ T494] vfs_write+0xb57/0xe50 [ 43.217185][ T494] ksys_write+0x157/0x260 [ 43.221500][ T494] __x64_sys_write+0x7b/0x90 [ 43.226160][ T494] do_syscall_64+0x34/0x70 [ 43.230650][ T494] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.236771][ T494] RIP: 0033:0x7f3778d720e9 [ 43.241237][ T494] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.261985][ T494] RSP: 002b:00007f3778cc7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.270380][ T494] RAX: ffffffffffffffda RBX: 00007f3778e85030 RCX: 00007f3778d720e9 [ 43.278416][ T494] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.286456][ T494] RBP: 00007f3778cc71d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.294577][ T494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.302618][ T494] R13: 00007fffc1ff130f R14: 00007f3778cc7300 R15: 0000000000022000 [ 43.350685][ C0] !!! css_killed_ref_fn css ffff88810dbfdc00 !!! [ 43.357131][ C0] !!! css_killed_ref_fn css ffff88810dbfe400 !!! [ 43.364180][ T386] !!! css_release css ffff88810dbfdc00 !!! [ 43.370065][ T386] !!! css_put is zero set CSS_NO_REF css ffff88810dbfdc00 !!! [ 43.377709][ T386] !!! css_release css ffff88810dbfe400 !!! [ 43.383909][ T386] !!! css_put is zero set CSS_NO_REF css ffff88810dbfe400 !!! [ 43.391638][ T469] !!! css_create !!! [ 43.395681][ T469] !!! css_create !!! [ 43.399636][ T469] !!! css_create !!! [ 43.403655][ T469] FAULT_INJECTION: forcing a failure. [ 43.403655][ T469] name failslab, interval 1, probability 0, space 0, times 0 [ 43.416555][ T469] CPU: 0 PID: 469 Comm: syz-executor.2 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 43.426943][ T469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.436981][ T469] Call Trace: [ 43.440257][ T469] dump_stack+0x19c/0x1e2 [ 43.444971][ T469] should_fail+0x3f7/0x5b0 [ 43.449364][ T469] __should_failslab+0xd2/0x130 [ 43.454188][ T469] should_failslab+0x9/0x20 [ 43.458665][ T469] slab_pre_alloc_hook+0x25/0xe0 [ 43.463585][ T469] ? __kernfs_new_node+0x4c/0x6d0 [ 43.468586][ T469] __kmalloc_track_caller+0x70/0x300 [ 43.473862][ T469] ? __kernfs_new_node+0x4c/0x6d0 [ 43.478859][ T469] kstrdup_const+0x55/0x90 [ 43.483401][ T469] __kernfs_new_node+0x4c/0x6d0 [ 43.488256][ T469] ? string+0x29f/0x2b0 [ 43.492399][ T469] ? vsnprintf+0x1a6c/0x1b30 [ 43.496973][ T469] kernfs_new_node+0x97/0x170 [ 43.501641][ T469] __kernfs_create_file+0x4a/0x270 [ 43.506749][ T469] cgroup_addrm_files+0x99e/0xeb0 [ 43.511866][ T469] ? delete_node+0x747/0x7a0 [ 43.516713][ T469] css_populate_dir+0x137/0x370 [ 43.521909][ T469] cgroup_apply_control_enable+0x31e/0xfc0 [ 43.527704][ T469] cgroup_apply_control+0x36/0x710 [ 43.532792][ T469] ? init_wait_entry+0xe0/0xe0 [ 43.537532][ T469] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.542793][ T469] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.548749][ T469] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.554704][ T469] cgroup_file_write+0x22f/0x4f0 [ 43.559797][ T469] kernfs_fop_write_iter+0x2cd/0x410 [ 43.565157][ T469] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.570266][ T469] vfs_write+0xb57/0xe50 [ 43.574491][ T469] ksys_write+0x157/0x260 [ 43.578800][ T469] __x64_sys_write+0x7b/0x90 [ 43.583365][ T469] do_syscall_64+0x34/0x70 [ 43.587770][ T469] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.593742][ T469] RIP: 0033:0x7f8883ff40e9 [ 43.598141][ 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 [ 43.617838][ T469] RSP: 002b:00007f8883f49168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.626668][ T469] RAX: ffffffffffffffda RBX: 00007f8884107030 RCX: 00007f8883ff40e9 [ 43.634811][ T469] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.642784][ T469] RBP: 00007f8883f491d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.650743][ T469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.658696][ T469] R13: 00007ffc3f0e351f R14: 00007f8883f49300 R15: 0000000000022000 [ 43.666953][ T469] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.700748][ C0] !!! css_killed_ref_fn css ffff88810dcd6400 !!! [ 43.707133][ C0] !!! css_killed_ref_fn css ffff88810dcd7800 !!! [ 43.713467][ C0] !!! css_killed_ref_fn css ffff88810db62000 !!! [ 43.719876][ T386] !!! css_release css ffff88810dcd6400 !!! [ 43.725785][ T386] !!! css_put is zero set CSS_NO_REF css ffff88810dcd6400 !!! [ 43.733851][ T107] !!! css_release css ffff88810dcd7800 !!! [ 43.739636][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810dcd7800 !!! [ 43.747359][ T107] !!! css_release css ffff88810db62000 !!! [ 43.753276][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810db62000 !!! [ 43.760891][ T497] !!! css_create !!! [ 43.764963][ T497] !!! css_create !!! [ 43.768955][ T497] !!! css_create !!! [ 43.772943][ T497] FAULT_INJECTION: forcing a failure. [ 43.772943][ T497] name failslab, interval 1, probability 0, space 0, times 0 [ 43.786144][ T497] CPU: 0 PID: 497 Comm: syz-executor.3 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 43.796275][ T497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.806306][ T497] Call Trace: [ 43.809575][ T497] dump_stack+0x19c/0x1e2 [ 43.813883][ T497] should_fail+0x3f7/0x5b0 [ 43.818630][ T497] __should_failslab+0xd2/0x130 [ 43.823469][ T497] should_failslab+0x9/0x20 [ 43.828044][ T497] slab_pre_alloc_hook+0x25/0xe0 [ 43.832963][ T497] kmem_cache_alloc_trace+0x47/0x2b0 [ 43.838344][ T497] ? percpu_ref_init+0xd0/0x330 [ 43.843180][ T497] percpu_ref_init+0xd0/0x330 [ 43.847839][ T497] ? cgroup_setup_root+0x8a0/0x8a0 [ 43.853030][ T497] cgroup_apply_control_enable+0x49f/0xfc0 [ 43.858806][ T497] cgroup_apply_control+0x36/0x710 [ 43.864147][ T497] ? init_wait_entry+0xe0/0xe0 [ 43.868879][ T497] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.874155][ T497] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.880128][ T497] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.886119][ T497] cgroup_file_write+0x22f/0x4f0 [ 43.891031][ T497] kernfs_fop_write_iter+0x2cd/0x410 [ 43.896844][ T497] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.903070][ T497] vfs_write+0xb57/0xe50 [ 43.907297][ T497] ksys_write+0x157/0x260 [ 43.911610][ T497] __x64_sys_write+0x7b/0x90 [ 43.916182][ T497] do_syscall_64+0x34/0x70 [ 43.920572][ T497] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.926435][ T497] RIP: 0033:0x7fe21c94c0e9 [ 43.930826][ T497] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.950514][ T497] RSP: 002b:00007fe21c8a1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.958910][ T497] RAX: ffffffffffffffda RBX: 00007fe21ca5f030 RCX: 00007fe21c94c0e9 [ 43.966949][ T497] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.974891][ T497] RBP: 00007fe21c8a11d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.982841][ T497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.990792][ T497] R13: 00007ffc9e38a35f R14: 00007fe21c8a1300 R15: 0000000000022000 [ 44.001567][ T420] ------------[ cut here ]------------ [ 44.007032][ T420] WARNING: CPU: 0 PID: 420 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 44.015965][ T420] Modules linked in: [ 44.019850][ T420] CPU: 0 PID: 420 Comm: syz-executor.3 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 44.030048][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.040152][ T420] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 44.045775][ T420] Code: 48 c7 c2 00 df c4 85 e8 62 e2 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 f3 70 a7 ff e9 28 fd ff ff [ 44.065381][ T420] RSP: 0018:ffffc90000cb7d58 EFLAGS: 00010293 [ 44.071437][ T420] RAX: ffffffff81af02dc RBX: ffff88810c97f460 RCX: ffff888108274c40 [ 44.079391][ T420] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 44.087361][ T420] RBP: ffffc90000cb7dc8 R08: ffffffff81af0007 R09: fffff52000196fa3 [ 44.095329][ T420] R10: fffff52000196fa3 R11: 1ffff92000196fa2 R12: dffffc0000000000 [ 44.103450][ T420] R13: ffff88810c97f380 R14: 00000000fffffffe R15: 0000000000000000 [ 44.111451][ T420] FS: 0000555556d03400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 44.120476][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.127058][ T420] CR2: 00007ffc9e388d78 CR3: 0000000107355000 CR4: 00000000003506b0 [ 44.135029][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.143002][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.150988][ T420] Call Trace: [ 44.154257][ T420] ? init_wait_entry+0xe0/0xe0 [ 44.159357][ T420] ? up_write+0x68/0x140 [ 44.163685][ T420] namespace_unlock+0x377/0x420 [ 44.168536][ T420] path_umount+0xe23/0xed0 [ 44.172962][ T420] __x64_sys_umount+0xe8/0x110 [ 44.177715][ T420] do_syscall_64+0x34/0x70 [ 44.182219][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.188083][ T420] RIP: 0033:0x7fe21c94d557 [ 44.192490][ T420] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.212145][ T420] RSP: 002b:00007ffc9e3894b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 44.220540][ T420] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe21c94d557 [ 44.228534][ T420] RDX: 00007ffc9e389589 RSI: 000000000000000a RDI: 00007ffc9e389580 [ 44.236518][ T420] RBP: 00007ffc9e389580 R08: 00000000ffffffff R09: 00007ffc9e389350 [ 44.244487][ T420] R10: 0000555556d04ba3 R11: 0000000000000246 R12: 00007fe21c9a51f8 [ 44.252638][ T420] R13: 00007ffc9e38a640 R14: 0000555556d04b00 R15: 00007ffc9e38a680 [ 44.260611][ T420] ---[ end trace 058fb55291bd45b9 ]--- [ 44.266324][ T420] ------------[ cut here ]------------ [ 44.271905][ T420] WARNING: CPU: 0 PID: 420 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 44.280845][ C0] !!! css_killed_ref_fn css ffff88810dd16c00 !!! [ 44.280868][ C0] !!! css_killed_ref_fn css ffff88810dd14800 !!! [ 44.293675][ T420] Modules linked in: [ 44.297562][ T420] CPU: 0 PID: 420 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 44.309116][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.319211][ T420] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 44.324845][ T420] Code: 48 c7 c2 00 df c4 85 e8 62 e2 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 f3 70 a7 ff e9 28 fd ff ff [ 44.344626][ T420] RSP: 0018:ffffc90000cb7dd0 EFLAGS: 00010293 [ 44.350700][ T420] RAX: ffffffff81af02dc RBX: ffff88810c97f460 RCX: ffff888108274c40 [ 44.358668][ T420] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 44.366672][ T420] RBP: ffffc90000cb7e40 R08: ffffffff81af0007 R09: fffff52000196fb2 [ 44.375001][ T420] R10: fffff52000196fb2 R11: 1ffff92000196fb1 R12: dffffc0000000000 [ 44.382979][ T420] R13: ffff88810c97f380 R14: 00000000fffffffd R15: 0000000000000000 [ 44.390964][ T420] FS: 0000555556d03400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 44.399998][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.406583][ T420] CR2: 00007ffc9e388d78 CR3: 0000000107355000 CR4: 00000000003506b0 [ 44.414651][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.422618][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.430756][ T420] Call Trace: [ 44.434022][ T420] path_umount+0x1ad/0xed0 [ 44.438410][ T420] __x64_sys_umount+0xe8/0x110 [ 44.443165][ T420] do_syscall_64+0x34/0x70 [ 44.447570][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.453456][ T420] RIP: 0033:0x7fe21c94d557 [ 44.457852][ T420] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.477459][ T420] RSP: 002b:00007ffc9e3894b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 44.485961][ T420] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe21c94d557 [ 44.493924][ T420] RDX: 00007ffc9e389589 RSI: 000000000000000a RDI: 00007ffc9e389580 [ 44.501890][ T420] RBP: 00007ffc9e389580 R08: 00000000ffffffff R09: 00007ffc9e389350 [ 44.510443][ T420] R10: 0000555556d04ba3 R11: 0000000000000246 R12: 00007fe21c9a51f8 [ 44.518427][ T420] R13: 00007ffc9e38a640 R14: 0000555556d04b00 R15: 00007ffc9e38a680 [ 44.526400][ T420] ---[ end trace 058fb55291bd45ba ]--- [ 44.531940][ T386] !!! css_release css ffff88810dd16c00 !!! [ 44.537823][ T386] !!! css_put is zero set CSS_NO_REF css ffff88810dd16c00 !!! [ 44.546209][ T107] !!! css_release css ffff88810dd14800 !!! [ 44.552194][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810dd14800 !!! [ 44.559667][ T470] !!! css_create !!! [ 44.563869][ T470] !!! css_create !!! [ 44.567807][ T470] !!! css_create !!! [ 44.571840][ T470] FAULT_INJECTION: forcing a failure. [ 44.571840][ T470] name failslab, interval 1, probability 0, space 0, times 0 [ 44.585203][ T470] CPU: 1 PID: 470 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 44.597076][ T470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.607494][ T470] Call Trace: [ 44.610760][ T470] dump_stack+0x19c/0x1e2 [ 44.615065][ T470] should_fail+0x3f7/0x5b0 [ 44.620153][ T470] __should_failslab+0xd2/0x130 [ 44.624993][ T470] should_failslab+0x9/0x20 [ 44.629475][ T470] slab_pre_alloc_hook+0x25/0xe0 [ 44.634567][ T470] kmem_cache_alloc_trace+0x47/0x2b0 [ 44.640090][ T470] ? percpu_ref_init+0xd0/0x330 [ 44.644913][ T470] percpu_ref_init+0xd0/0x330 [ 44.649565][ T470] ? cgroup_setup_root+0x8a0/0x8a0 [ 44.654658][ T470] cgroup_apply_control_enable+0x49f/0xfc0 [ 44.660444][ T470] cgroup_apply_control+0x36/0x710 [ 44.665609][ T470] ? init_wait_entry+0xe0/0xe0 [ 44.670348][ T470] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.675752][ T470] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.681721][ T470] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.687678][ T470] cgroup_file_write+0x22f/0x4f0 [ 44.692678][ T470] kernfs_fop_write_iter+0x2cd/0x410 [ 44.697937][ T470] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.703026][ T470] vfs_write+0xb57/0xe50 [ 44.707239][ T470] ksys_write+0x157/0x260 [ 44.711539][ T470] __x64_sys_write+0x7b/0x90 [ 44.716194][ T470] do_syscall_64+0x34/0x70 [ 44.720580][ T470] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.726464][ T470] RIP: 0033:0x7f1ee90e00e9 [ 44.730861][ T470] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.750446][ T470] RSP: 002b:00007f1ee9035168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.758851][ T470] RAX: ffffffffffffffda RBX: 00007f1ee91f3030 RCX: 00007f1ee90e00e9 [ 44.766984][ T470] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.774943][ T470] RBP: 00007f1ee90351d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.782978][ T470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.790933][ T470] R13: 00007ffe9f2d01af R14: 00007f1ee9035300 R15: 0000000000022000 [ 44.840682][ C1] !!! css_killed_ref_fn css ffff88810d147000 !!! [ 44.847157][ C1] !!! css_killed_ref_fn css ffff88810d146000 !!! [ 44.853640][ T441] !!! css_release css ffff88810d147000 !!! [ 44.859543][ T441] !!! css_put is zero set CSS_NO_REF css ffff88810d147000 !!! [ 44.867328][ T22] audit: type=1400 audit(1653691259.370:159): avc: denied { remove_name } for pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 44.890186][ T441] !!! css_release css ffff88810d146000 !!! [ 44.890235][ T22] audit: type=1400 audit(1653691259.370:160): avc: denied { rename } for pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 44.896406][ T441] !!! css_put is zero set CSS_NO_REF css ffff88810d146000 !!! [ 44.918994][ T22] audit: type=1400 audit(1653691259.370:161): avc: denied { create } for pid=141 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 44.926871][ T512] !!! css_create !!! [ 44.951399][ T512] !!! css_create !!! [ 44.955578][ T512] !!! css_create !!! [ 44.959483][ T512] FAULT_INJECTION: forcing a failure. [ 44.959483][ T512] name failslab, interval 1, probability 0, space 0, times 0 [ 44.972233][ T512] CPU: 1 PID: 512 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 44.984016][ T512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.994064][ T512] Call Trace: [ 44.997411][ T512] dump_stack+0x19c/0x1e2 [ 45.002010][ T512] should_fail+0x3f7/0x5b0 [ 45.006488][ T512] __should_failslab+0xd2/0x130 [ 45.011320][ T512] should_failslab+0x9/0x20 [ 45.015796][ T512] slab_pre_alloc_hook+0x25/0xe0 [ 45.020796][ T512] ? __kernfs_new_node+0x4c/0x6d0 [ 45.025798][ T512] __kmalloc_track_caller+0x70/0x300 [ 45.031059][ T512] ? __kernfs_new_node+0x4c/0x6d0 [ 45.036142][ T512] kstrdup_const+0x55/0x90 [ 45.040537][ T512] __kernfs_new_node+0x4c/0x6d0 [ 45.045370][ T512] ? string+0x29f/0x2b0 [ 45.049509][ T512] ? vsnprintf+0x1a6c/0x1b30 [ 45.054073][ T512] kernfs_new_node+0x97/0x170 [ 45.058912][ T512] __kernfs_create_file+0x4a/0x270 [ 45.064015][ T512] cgroup_addrm_files+0x99e/0xeb0 [ 45.069199][ T512] ? delete_node+0x747/0x7a0 [ 45.073856][ T512] css_populate_dir+0x137/0x370 [ 45.078684][ T512] cgroup_apply_control_enable+0x31e/0xfc0 [ 45.084624][ T512] cgroup_apply_control+0x36/0x710 [ 45.089892][ T512] ? init_wait_entry+0xe0/0xe0 [ 45.094632][ T512] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.099988][ T512] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.105953][ T512] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.112218][ T512] cgroup_file_write+0x22f/0x4f0 [ 45.117310][ T512] kernfs_fop_write_iter+0x2cd/0x410 [ 45.122592][ T512] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.127698][ T512] vfs_write+0xb57/0xe50 [ 45.131940][ T512] ksys_write+0x157/0x260 [ 45.136266][ T512] __x64_sys_write+0x7b/0x90 [ 45.141045][ T512] do_syscall_64+0x34/0x70 [ 45.145537][ T512] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.151409][ T512] RIP: 0033:0x7f1ee90e00e9 [ 45.155886][ T512] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.176453][ T512] RSP: 002b:00007f1ee9035168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.185079][ T512] RAX: ffffffffffffffda RBX: 00007f1ee91f3030 RCX: 00007f1ee90e00e9 [ 45.193477][ T512] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.201441][ T512] RBP: 00007f1ee90351d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.209742][ T512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.218140][ T512] R13: 00007ffe9f2d01af R14: 00007f1ee9035300 R15: 0000000000022000 [ 45.227021][ T512] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.236663][ T424] ------------[ cut here ]------------ [ 45.242161][ T424] WARNING: CPU: 1 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 45.251238][ T424] Modules linked in: [ 45.255305][ T424] CPU: 1 PID: 424 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 45.266953][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.277174][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 45.282824][ T424] Code: 48 c7 c2 00 df c4 85 e8 62 e2 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 f3 70 a7 ff e9 28 fd ff ff [ 45.302719][ T424] RSP: 0018:ffffc90000d07d58 EFLAGS: 00010293 [ 45.314010][ T424] RAX: ffffffff81af02dc RBX: ffff88810c88dbe0 RCX: ffff8881025dadc0 [ 45.322001][ T424] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 45.329964][ T424] RBP: ffffc90000d07dc8 R08: ffffffff81af0007 R09: fffff520001a0fa3 [ 45.339917][ T424] R10: fffff520001a0fa3 R11: 1ffff920001a0fa2 R12: dffffc0000000000 [ 45.348005][ T424] R13: ffff88810c88db00 R14: 00000000ffffffff R15: 0000000000000000 [ 45.356104][ T424] FS: 000055555638b400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 45.365133][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.371816][ T424] CR2: 00007ffe9f2cebc8 CR3: 000000011acdc000 CR4: 00000000003506a0 [ 45.380497][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.388554][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.396886][ T424] Call Trace: [ 45.400157][ T424] ? init_wait_entry+0xe0/0xe0 [ 45.404933][ T424] ? up_write+0x68/0x140 [ 45.409163][ T424] namespace_unlock+0x377/0x420 [ 45.414015][ T424] path_umount+0xe23/0xed0 [ 45.418431][ T424] __x64_sys_umount+0xe8/0x110 [ 45.423244][ T424] do_syscall_64+0x34/0x70 [ 45.427741][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.433640][ T424] RIP: 0033:0x7f1ee90e1557 [ 45.438054][ T424] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.458188][ T424] RSP: 002b:00007ffe9f2cf308 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 45.466671][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ee90e1557 [ 45.474751][ T424] RDX: 00007ffe9f2cf3d9 RSI: 000000000000000a RDI: 00007ffe9f2cf3d0 [ 45.482738][ T424] RBP: 00007ffe9f2cf3d0 R08: 00000000ffffffff R09: 00007ffe9f2cf1a0 [ 45.490707][ T424] R10: 000055555638cba3 R11: 0000000000000246 R12: 00007f1ee91391f8 [ 45.498677][ T424] R13: 00007ffe9f2d0490 R14: 000055555638cb00 R15: 00007ffe9f2d04d0 [ 45.506650][ T424] ---[ end trace 058fb55291bd45bb ]--- [ 45.512189][ T424] ------------[ cut here ]------------ [ 45.517666][ T424] WARNING: CPU: 0 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 45.520658][ C1] !!! css_killed_ref_fn css ffff88810dedf800 !!! [ 45.526620][ T424] Modules linked in: [ 45.532902][ C1] !!! css_killed_ref_fn css ffff88810dede800 !!! [ 45.536767][ T424] CPU: 0 PID: 424 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 45.543061][ C1] ------------[ cut here ]------------ [ 45.543076][ C1] percpu ref (css_release) <= 0 (-1) after switching to atomic [ 45.554592][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.560251][ C1] WARNING: CPU: 1 PID: 141 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 45.567720][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 45.577945][ C1] Modules linked in: [ 45.588687][ T424] Code: 48 c7 c2 00 df c4 85 e8 62 e2 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 f3 70 a7 ff e9 28 fd ff ff [ 45.594375][ C1] [ 45.598243][ T424] RSP: 0018:ffffc90000d07dd0 EFLAGS: 00010293 [ 45.617917][ C1] CPU: 1 PID: 141 Comm: syslogd Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 45.620211][ T424] [ 45.626249][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.626260][ C1] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 45.626267][ C1] Code: 00 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ff e8 13 76 64 ff 49 8b 17 48 c7 c7 80 e1 02 85 48 89 de 31 c0 e8 bf c6 01 ff <0f> 0b e9 2d fd ff ff e8 d3 ea 2c ff 0f 0b e9 87 fe ff ff 48 c7 c1 [ 45.626272][ C1] RSP: 0018:ffffc90000150d50 EFLAGS: 00010246 [ 45.626281][ C1] RAX: 4c5bbbe12b040a00 RBX: ffffffff816104d0 RCX: ffff888109179e80 [ 45.626286][ C1] RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 [ 45.626292][ C1] RBP: ffffc90000150d98 R08: ffffffff81514568 R09: fffff5200002a14c [ 45.626296][ C1] R10: fffff5200002a14c R11: 1ffff9200002a14b R12: ffff88810da1fa20 [ 45.626301][ C1] R13: 0000000000000008 R14: 1ffff11021b43f40 R15: ffff88810da1fa00 [ 45.626308][ C1] FS: 00007f536e4bf800(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 45.626313][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.626318][ C1] CR2: 00007ffe9f2cebc8 CR3: 00000001093ac000 CR4: 00000000003506a0 [ 45.626326][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.626331][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.626339][ C1] Call Trace: [ 45.637249][ T424] RAX: ffffffff81af02dc RBX: ffff88810c88dbe0 RCX: ffff8881025dadc0 [ 45.639556][ C1] [ 45.649592][ T424] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 45.649603][ T424] RBP: ffffc90000d07e40 R08: ffffffff81af0007 R09: fffff520001a0fb2 [ 45.656606][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 45.676191][ T424] R10: fffff520001a0fb2 R11: 1ffff920001a0fb1 R12: dffffc0000000000 [ 45.682235][ C1] rcu_do_batch+0x4ad/0xb00 [ 45.690197][ T424] R13: ffff88810c88db00 R14: 00000000fffffffe R15: 0000000000000000 [ 45.698187][ C1] rcu_core+0x64a/0xdf0 [ 45.706149][ T424] FS: 000055555638b400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 45.714101][ C1] rcu_core_si+0x9/0x10 [ 45.714116][ C1] __do_softirq+0x253/0x67b [ 45.722157][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.731154][ C1] asm_call_irq_on_stack+0xf/0x20 [ 45.737799][ T424] CR2: 0000555556b823b8 CR3: 000000011acdc000 CR4: 00000000003506b0 [ 45.737816][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.745797][ C1] [ 45.753750][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.753761][ T424] Call Trace: [ 45.761814][ C1] do_softirq_own_stack+0x60/0x80 [ 45.765078][ T424] path_umount+0x1ad/0xed0 [ 45.773047][ C1] __irq_exit_rcu+0x152/0x1e0 [ 45.775868][ T424] __x64_sys_umount+0xe8/0x110 [ 45.783820][ C1] irq_exit_rcu+0x9/0x10 [ 45.791821][ T424] do_syscall_64+0x34/0x70 [ 45.797964][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 45.805944][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.810502][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 45.818460][ T424] RIP: 0033:0x7f1ee90e1557 [ 45.822606][ C1] RIP: 0010:path_init+0x162/0x1120 [ 45.831514][ T424] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.835641][ C1] Code: be ff 89 d8 83 e0 01 4c 89 6d 98 75 0a 4d 89 e5 e8 c3 5d be ff eb 5f 49 c7 c6 c0 d5 a0 85 49 c1 ee 03 66 0f 1f 44 00 00 f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 04 06 84 c0 75 12 8b 1d a5 [ 45.840114][ T424] RSP: 002b:00007ffe9f2cf308 EFLAGS: 00000246 [ 45.846677][ C1] RSP: 0018:ffffc90000b17af0 EFLAGS: 00000293 [ 45.851674][ T424] ORIG_RAX: 00000000000000a6 [ 45.851686][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ee90e1557 [ 45.859630][ C1] [ 45.867675][ T424] RDX: 00007ffe9f2cf3d9 RSI: 000000000000000a RDI: 00007ffe9f2cf3d0 [ 45.870584][ C1] RAX: ffffffff81aab225 RBX: 000000000000044d RCX: ffff888109179e80 [ 45.878537][ T424] RBP: 00007ffe9f2cf3d0 R08: 00000000ffffffff R09: 00007ffe9f2cf1a0 [ 45.881896][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 45.886890][ T424] R10: 000055555638cba3 R11: 0000000000000246 R12: 00007f1ee91391f8 [ 45.891278][ C1] RBP: ffffc90000b17b88 R08: ffffffff81aab1da R09: ffffed1021a74c83 [ 45.891289][ C1] R10: ffffed1021a74c83 R11: 1ffff11021a74c82 R12: ffff88810e01a220 [ 45.896026][ T424] R13: 00007ffe9f2d0490 R14: 000055555638cb00 R15: 00007ffe9f2d04d0 [ 45.900772][ C1] R13: ffffc90000b17d78 R14: 1ffffffff0b41ab8 R15: ffffc90000b17d40 [ 45.904982][ T424] ---[ end trace 058fb55291bd45bc ]--- [ 45.909381][ C1] ? path_init+0x13a/0x1120 [ 46.085645][ C1] ? path_init+0x185/0x1120 [ 46.090295][ C1] path_openat+0x11a/0x3210 [ 46.094782][ C1] do_filp_open+0x1a5/0x3e0 [ 46.099258][ C1] do_sys_openat2+0xce/0x390 [ 46.103826][ C1] __x64_sys_openat+0x1e6/0x210 [ 46.108657][ C1] do_syscall_64+0x34/0x70 [ 46.113058][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.119007][ C1] RIP: 0033:0x7f536e64b697 [ 46.123402][ C1] Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f [ 46.143110][ C1] RSP: 002b:00007ffc48328090 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 46.151525][ C1] RAX: ffffffffffffffda RBX: 0000555f1d2b92c0 RCX: 00007f536e64b697 [ 46.159744][ C1] RDX: 0000000000000d41 RSI: 00007f536e7d999a RDI: 00000000ffffff9c [ 46.168167][ C1] RBP: 00007f536e7d999a R08: 00007f536e6db040 R09: 00007f536e6db0c0 [ 46.176225][ C1] R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000000d41 [ 46.184193][ C1] R13: 0000555f1d2b9400 R14: 0000000000000004 R15: 0000555f1d2b9410 [ 46.192338][ C1] ---[ end trace 058fb55291bd45bd ]--- [ 46.197778][ C1] !!! css_killed_ref_fn css ffff88810dedc400 !!! [ 46.204368][ T464] !!! css_release css ffff88810dedf800 !!! [ 46.210794][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810dedf800 !!! [ 46.218372][ T464] !!! css_release css ffff88810dede800 !!! [ 46.224200][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810dede800 !!! [ 46.233266][ T509] !!! css_create !!! [ 46.237374][ T509] !!! css_create !!! [ 46.241478][ T509] !!! css_create !!! [ 46.245664][ T509] FAULT_INJECTION: forcing a failure. [ 46.245664][ T509] name failslab, interval 1, probability 0, space 0, times 0 [ 46.258716][ T509] CPU: 0 PID: 509 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 46.270326][ T509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.280360][ T509] Call Trace: [ 46.283633][ T509] dump_stack+0x19c/0x1e2 [ 46.287932][ T509] should_fail+0x3f7/0x5b0 [ 46.292404][ T509] __should_failslab+0xd2/0x130 [ 46.297223][ T509] should_failslab+0x9/0x20 [ 46.301697][ T509] slab_pre_alloc_hook+0x25/0xe0 [ 46.306605][ T509] ? __kernfs_new_node+0x4c/0x6d0 [ 46.311601][ T509] __kmalloc_track_caller+0x70/0x300 [ 46.316855][ T509] ? __kernfs_new_node+0x4c/0x6d0 [ 46.321852][ T509] kstrdup_const+0x55/0x90 [ 46.326235][ T509] __kernfs_new_node+0x4c/0x6d0 [ 46.331065][ T509] ? string+0x29f/0x2b0 [ 46.335189][ T509] ? vsnprintf+0x1a6c/0x1b30 [ 46.339745][ T509] kernfs_new_node+0x97/0x170 [ 46.344389][ T509] __kernfs_create_file+0x4a/0x270 [ 46.349477][ T509] cgroup_addrm_files+0x99e/0xeb0 [ 46.354467][ T509] ? delete_node+0x747/0x7a0 [ 46.359110][ T509] css_populate_dir+0x137/0x370 [ 46.364280][ T509] cgroup_apply_control_enable+0x31e/0xfc0 [ 46.370318][ T509] cgroup_apply_control+0x36/0x710 [ 46.375580][ T509] ? init_wait_entry+0xe0/0xe0 [ 46.380398][ T509] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.385651][ T509] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.391693][ T509] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.397646][ T509] cgroup_file_write+0x22f/0x4f0 [ 46.402665][ T509] kernfs_fop_write_iter+0x2cd/0x410 [ 46.407919][ T509] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.413001][ T509] vfs_write+0xb57/0xe50 [ 46.417274][ T509] ksys_write+0x157/0x260 [ 46.421576][ T509] __x64_sys_write+0x7b/0x90 [ 46.426144][ T509] do_syscall_64+0x34/0x70 [ 46.430629][ T509] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.436488][ T509] RIP: 0033:0x7fe21c94c0e9 [ 46.440964][ T509] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.461238][ T509] RSP: 002b:00007fe21c8a1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.469804][ T509] RAX: ffffffffffffffda RBX: 00007fe21ca5f030 RCX: 00007fe21c94c0e9 [ 46.477759][ T509] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.485985][ T509] RBP: 00007fe21c8a11d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.493936][ T509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.501989][ T509] R13: 00007ffc9e38a35f R14: 00007fe21c8a1300 R15: 0000000000022000 [ 46.510459][ T509] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.530669][ C1] !!! css_killed_ref_fn css ffff88810e0dac00 !!! [ 46.537034][ C1] !!! css_killed_ref_fn css ffff88810e0d8800 !!! [ 46.543371][ C1] !!! css_killed_ref_fn css ffff88810e0d9000 !!! [ 46.549721][ T464] !!! css_release css ffff88810e0dac00 !!! [ 46.555522][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810e0dac00 !!! [ 46.563072][ T464] !!! css_release css ffff88810e0d8800 !!! [ 46.569056][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810e0d8800 !!! [ 46.576830][ T464] !!! css_release css ffff88810e0d9000 !!! [ 46.583604][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810e0d9000 !!! [ 46.591150][ T515] !!! css_create !!! [ 46.595172][ T515] !!! css_create !!! [ 46.599168][ T515] FAULT_INJECTION: forcing a failure. [ 46.599168][ T515] name failslab, interval 1, probability 0, space 0, times 0 [ 46.611991][ T515] CPU: 0 PID: 515 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 46.623501][ T515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.633539][ T515] Call Trace: [ 46.636803][ T515] dump_stack+0x19c/0x1e2 [ 46.641101][ T515] should_fail+0x3f7/0x5b0 [ 46.645579][ T515] __should_failslab+0xd2/0x130 [ 46.650400][ T515] ? __kernfs_new_node+0x97/0x6d0 [ 46.655393][ T515] should_failslab+0x9/0x20 [ 46.659865][ T515] slab_pre_alloc_hook+0x25/0xe0 [ 46.664781][ T515] ? __kernfs_new_node+0x97/0x6d0 [ 46.669774][ T515] kmem_cache_alloc+0x40/0x2a0 [ 46.674506][ T515] __kernfs_new_node+0x97/0x6d0 [ 46.679333][ T515] ? string+0x29f/0x2b0 [ 46.683466][ T515] ? vsnprintf+0x1a6c/0x1b30 [ 46.688038][ T515] kernfs_new_node+0x97/0x170 [ 46.692689][ T515] __kernfs_create_file+0x4a/0x270 [ 46.697779][ T515] cgroup_addrm_files+0x99e/0xeb0 [ 46.702779][ T515] css_populate_dir+0x137/0x370 [ 46.707869][ T515] cgroup_apply_control_enable+0x31e/0xfc0 [ 46.713907][ T515] cgroup_apply_control+0x36/0x710 [ 46.719005][ T515] ? init_wait_entry+0xe0/0xe0 [ 46.723768][ T515] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.729039][ T515] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.735017][ T515] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.740974][ T515] cgroup_file_write+0x22f/0x4f0 [ 46.745990][ T515] kernfs_fop_write_iter+0x2cd/0x410 [ 46.751688][ T515] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.756771][ T515] vfs_write+0xb57/0xe50 [ 46.761002][ T515] ksys_write+0x157/0x260 [ 46.765319][ T515] __x64_sys_write+0x7b/0x90 [ 46.769885][ T515] do_syscall_64+0x34/0x70 [ 46.774278][ T515] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.780227][ T515] RIP: 0033:0x7f1ee90e00e9 [ 46.784626][ T515] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.804209][ T515] RSP: 002b:00007f1ee9035168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.812595][ T515] RAX: ffffffffffffffda RBX: 00007f1ee91f3030 RCX: 00007f1ee90e00e9 [ 46.820540][ T515] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.830484][ T515] RBP: 00007f1ee90351d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.838426][ T515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.847063][ T515] R13: 00007ffe9f2d01af R14: 00007f1ee9035300 R15: 0000000000022000 [ 46.855443][ T515] cgroup: cgroup_addrm_files: failed to add events, err=-12 [ 46.900817][ C1] !!! css_killed_ref_fn css ffff88810e384000 !!! [ 46.907308][ C1] !!! css_killed_ref_fn css ffff88810e29d000 !!! [ 46.913812][ T464] !!! css_release css ffff88810e384000 !!! [ 46.919883][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810e384000 !!! [ 46.927639][ T464] !!! css_release css ffff88810e29d000 !!! [ 46.933535][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810e29d000 !!! [ 46.941096][ T506] !!! css_create !!! [ 46.945012][ T506] !!! css_create !!! [ 46.949076][ T506] !!! css_create !!! [ 46.953224][ T506] FAULT_INJECTION: forcing a failure. [ 46.953224][ T506] name failslab, interval 1, probability 0, space 0, times 0 [ 46.965919][ T506] CPU: 1 PID: 506 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 46.977477][ T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.987610][ T506] Call Trace: [ 46.990879][ T506] dump_stack+0x19c/0x1e2 [ 46.995227][ T506] should_fail+0x3f7/0x5b0 [ 46.999629][ T506] __should_failslab+0xd2/0x130 [ 47.004553][ T506] should_failslab+0x9/0x20 [ 47.009152][ T506] slab_pre_alloc_hook+0x25/0xe0 [ 47.014077][ T506] ? __kernfs_new_node+0x4c/0x6d0 [ 47.019147][ T506] __kmalloc_track_caller+0x70/0x300 [ 47.024413][ T506] ? __kernfs_new_node+0x4c/0x6d0 [ 47.029407][ T506] kstrdup_const+0x55/0x90 [ 47.033795][ T506] __kernfs_new_node+0x4c/0x6d0 [ 47.038615][ T506] ? string+0x29f/0x2b0 [ 47.042836][ T506] ? vsnprintf+0x1a6c/0x1b30 [ 47.047412][ T506] kernfs_new_node+0x97/0x170 [ 47.052069][ T506] __kernfs_create_file+0x4a/0x270 [ 47.057174][ T506] cgroup_addrm_files+0x99e/0xeb0 [ 47.062179][ T506] ? delete_node+0x747/0x7a0 [ 47.066742][ T506] css_populate_dir+0x137/0x370 [ 47.071584][ T506] cgroup_apply_control_enable+0x31e/0xfc0 [ 47.077359][ T506] cgroup_apply_control+0x36/0x710 [ 47.082456][ T506] ? init_wait_entry+0xe0/0xe0 [ 47.087193][ T506] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.092535][ T506] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.098585][ T506] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.104537][ T506] cgroup_file_write+0x22f/0x4f0 [ 47.109444][ T506] kernfs_fop_write_iter+0x2cd/0x410 [ 47.114703][ T506] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.120224][ T506] vfs_write+0xb57/0xe50 [ 47.124525][ T506] ksys_write+0x157/0x260 [ 47.128849][ T506] __x64_sys_write+0x7b/0x90 [ 47.133425][ T506] do_syscall_64+0x34/0x70 [ 47.137819][ T506] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.143682][ T506] RIP: 0033:0x7f8883ff40e9 [ 47.148071][ T506] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.167691][ T506] RSP: 002b:00007f8883f49168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.176122][ T506] RAX: ffffffffffffffda RBX: 00007f8884107030 RCX: 00007f8883ff40e9 [ 47.184067][ T506] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.196180][ T506] RBP: 00007f8883f491d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.204125][ T506] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.212421][ T506] R13: 00007ffc3f0e351f R14: 00007f8883f49300 R15: 0000000000022000 [ 47.220665][ T506] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.250674][ C1] !!! css_killed_ref_fn css ffff88810e29b400 !!! [ 47.257064][ C1] !!! css_killed_ref_fn css ffff88810e353800 !!! [ 47.263488][ C1] !!! css_killed_ref_fn css ffff88810e225400 !!! [ 47.269856][ T464] !!! css_release css ffff88810e29b400 !!! [ 47.275668][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810e29b400 !!! [ 47.283292][ T464] !!! css_release css ffff88810e353800 !!! [ 47.289087][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810e353800 !!! [ 47.296779][ T464] !!! css_release css ffff88810e225400 !!! [ 47.302831][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810e225400 !!! [ 47.310308][ T521] !!! css_create !!! [ 47.314473][ T521] !!! css_create !!! [ 47.318388][ T521] !!! css_create !!! [ 47.322346][ T521] FAULT_INJECTION: forcing a failure. [ 47.322346][ T521] name failslab, interval 1, probability 0, space 0, times 0 [ 47.335510][ T521] CPU: 1 PID: 521 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 47.347020][ T521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.357051][ T521] Call Trace: [ 47.360319][ T521] dump_stack+0x19c/0x1e2 [ 47.364641][ T521] should_fail+0x3f7/0x5b0 [ 47.369032][ T521] __should_failslab+0xd2/0x130 [ 47.373852][ T521] should_failslab+0x9/0x20 [ 47.378324][ T521] slab_pre_alloc_hook+0x25/0xe0 [ 47.383230][ T521] ? __kernfs_new_node+0x4c/0x6d0 [ 47.388230][ T521] __kmalloc_track_caller+0x70/0x300 [ 47.393489][ T521] ? __kernfs_new_node+0x4c/0x6d0 [ 47.398479][ T521] kstrdup_const+0x55/0x90 [ 47.402869][ T521] __kernfs_new_node+0x4c/0x6d0 [ 47.407690][ T521] ? string+0x29f/0x2b0 [ 47.411813][ T521] ? vsnprintf+0x1a6c/0x1b30 [ 47.416415][ T521] kernfs_new_node+0x97/0x170 [ 47.421059][ T521] __kernfs_create_file+0x4a/0x270 [ 47.426163][ T521] cgroup_addrm_files+0x99e/0xeb0 [ 47.431251][ T521] ? delete_node+0x747/0x7a0 [ 47.435913][ T521] css_populate_dir+0x137/0x370 [ 47.440746][ T521] cgroup_apply_control_enable+0x31e/0xfc0 [ 47.446524][ T521] cgroup_apply_control+0x36/0x710 [ 47.451703][ T521] ? init_wait_entry+0xe0/0xe0 [ 47.456436][ T521] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.461796][ T521] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.467764][ T521] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.473719][ T521] cgroup_file_write+0x22f/0x4f0 [ 47.478638][ T521] kernfs_fop_write_iter+0x2cd/0x410 [ 47.483904][ T521] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.488987][ T521] vfs_write+0xb57/0xe50 [ 47.493199][ T521] ksys_write+0x157/0x260 [ 47.497594][ T521] __x64_sys_write+0x7b/0x90 [ 47.502154][ T521] do_syscall_64+0x34/0x70 [ 47.506670][ T521] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.512536][ T521] RIP: 0033:0x7f1ee90e00e9 [ 47.516928][ T521] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.536510][ T521] RSP: 002b:00007f1ee9035168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.544895][ T521] RAX: ffffffffffffffda RBX: 00007f1ee91f3030 RCX: 00007f1ee90e00e9 [ 47.552840][ T521] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.560781][ T521] RBP: 00007f1ee90351d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.568724][ T521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.576672][ T521] R13: 00007ffe9f2d01af R14: 00007f1ee9035300 R15: 0000000000022000 [ 47.584898][ T521] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.637547][ C1] !!! css_killed_ref_fn css ffff88810e3f9400 !!! [ 47.643903][ C1] !!! css_killed_ref_fn css ffff88810e3fb400 !!! [ 47.650202][ C1] !!! css_killed_ref_fn css ffff88810e3fe000 !!! [ 47.656593][ T18] !!! css_release css ffff88810e3f9400 !!! [ 47.662526][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810e3f9400 !!! [ 47.669968][ T18] !!! css_release css ffff88810e3fb400 !!! [ 47.678434][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810e3fb400 !!! [ 47.686020][ T18] !!! css_release css ffff88810e3fe000 !!! [ 47.693136][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810e3fe000 !!! [ 47.700680][ T524] !!! css_create !!! [ 47.704767][ T524] !!! css_create !!! [ 47.708720][ T524] !!! css_create !!! [ 47.712678][ T524] FAULT_INJECTION: forcing a failure. [ 47.712678][ T524] name failslab, interval 1, probability 0, space 0, times 0 [ 47.725396][ T524] CPU: 1 PID: 524 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 47.737210][ T524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.747332][ T524] Call Trace: [ 47.750600][ T524] dump_stack+0x19c/0x1e2 [ 47.754920][ T524] should_fail+0x3f7/0x5b0 [ 47.759311][ T524] __should_failslab+0xd2/0x130 [ 47.764167][ T524] should_failslab+0x9/0x20 [ 47.768638][ T524] slab_pre_alloc_hook+0x25/0xe0 [ 47.773555][ T524] kmem_cache_alloc_trace+0x47/0x2b0 [ 47.778938][ T524] ? percpu_ref_init+0xd0/0x330 [ 47.783965][ T524] percpu_ref_init+0xd0/0x330 [ 47.788628][ T524] ? cgroup_setup_root+0x8a0/0x8a0 [ 47.793804][ T524] cgroup_apply_control_enable+0x49f/0xfc0 [ 47.799584][ T524] cgroup_apply_control+0x36/0x710 [ 47.804673][ T524] ? init_wait_entry+0xe0/0xe0 [ 47.809406][ T524] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.814661][ T524] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.820611][ T524] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.826740][ T524] cgroup_file_write+0x22f/0x4f0 [ 47.831648][ T524] kernfs_fop_write_iter+0x2cd/0x410 [ 47.836990][ T524] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.842166][ T524] vfs_write+0xb57/0xe50 [ 47.846380][ T524] ksys_write+0x157/0x260 [ 47.850853][ T524] __x64_sys_write+0x7b/0x90 [ 47.855508][ T524] do_syscall_64+0x34/0x70 [ 47.859894][ T524] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.865756][ T524] RIP: 0033:0x7f8883ff40e9 [ 47.870141][ T524] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.889809][ T524] RSP: 002b:00007f8883f49168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.898191][ T524] RAX: ffffffffffffffda RBX: 00007f8884107030 RCX: 00007f8883ff40e9 [ 47.906135][ T524] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.914079][ T524] RBP: 00007f8883f491d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.922127][ T524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.930078][ T524] R13: 00007ffc3f0e351f R14: 00007f8883f49300 R15: 0000000000022000 [ 47.970668][ C1] !!! css_killed_ref_fn css ffff88810e3fec00 !!! [ 47.977055][ C1] !!! css_killed_ref_fn css ffff88810e3fc800 !!! [ 47.983598][ T464] !!! css_release css ffff88810e3fec00 !!! [ 47.989515][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810e3fec00 !!! [ 47.997494][ T464] !!! css_release css ffff88810e3fc800 !!! [ 48.003328][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810e3fc800 !!! [ 48.011394][ T490] !!! css_create !!! [ 48.015488][ T490] !!! css_create !!! [ 48.019915][ T490] !!! css_create !!! [ 48.023851][ T490] FAULT_INJECTION: forcing a failure. [ 48.023851][ T490] name failslab, interval 1, probability 0, space 0, times 0 [ 48.036542][ T490] CPU: 1 PID: 490 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 48.048067][ T490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.058298][ T490] Call Trace: [ 48.061565][ T490] dump_stack+0x19c/0x1e2 [ 48.065922][ T490] should_fail+0x3f7/0x5b0 [ 48.070326][ T490] __should_failslab+0xd2/0x130 [ 48.075156][ T490] should_failslab+0x9/0x20 [ 48.079725][ T490] slab_pre_alloc_hook+0x25/0xe0 [ 48.084638][ T490] ? __kernfs_new_node+0x4c/0x6d0 [ 48.089645][ T490] __kmalloc_track_caller+0x70/0x300 [ 48.094991][ T490] ? __kernfs_new_node+0x4c/0x6d0 [ 48.100026][ T490] kstrdup_const+0x55/0x90 [ 48.104427][ T490] __kernfs_new_node+0x4c/0x6d0 [ 48.109399][ T490] ? string+0x29f/0x2b0 [ 48.113625][ T490] ? vsnprintf+0x1a6c/0x1b30 [ 48.118292][ T490] kernfs_new_node+0x97/0x170 [ 48.123130][ T490] __kernfs_create_file+0x4a/0x270 [ 48.128478][ T490] cgroup_addrm_files+0x99e/0xeb0 [ 48.133506][ T490] ? delete_node+0x747/0x7a0 [ 48.138081][ T490] css_populate_dir+0x137/0x370 [ 48.142930][ T490] cgroup_apply_control_enable+0x31e/0xfc0 [ 48.148817][ T490] cgroup_apply_control+0x36/0x710 [ 48.153986][ T490] ? init_wait_entry+0xe0/0xe0 [ 48.158892][ T490] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.164169][ T490] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.170124][ T490] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.176104][ T490] cgroup_file_write+0x22f/0x4f0 [ 48.181024][ T490] kernfs_fop_write_iter+0x2cd/0x410 [ 48.186367][ T490] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.191565][ T490] vfs_write+0xb57/0xe50 [ 48.195877][ T490] ksys_write+0x157/0x260 [ 48.200194][ T490] __x64_sys_write+0x7b/0x90 [ 48.204773][ T490] do_syscall_64+0x34/0x70 [ 48.209391][ T490] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.215345][ T490] RIP: 0033:0x7f81211b20e9 [ 48.219734][ T490] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.239598][ T490] RSP: 002b:00007f8121107168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.247985][ T490] RAX: ffffffffffffffda RBX: 00007f81212c5030 RCX: 00007f81211b20e9 [ 48.256024][ T490] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.264152][ T490] RBP: 00007f81211071d0 R08: 0000000000000000 R09: 0000000000000000 2022/05/27 22:41:02 executed programs: 29 [ 48.272184][ T490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.280231][ T490] R13: 00007ffeb97efecf R14: 00007f8121107300 R15: 0000000000022000 [ 48.288263][ T490] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.340759][ C1] !!! css_killed_ref_fn css ffff88810ead4800 !!! [ 48.350405][ T18] !!! css_release css ffff88810ead4800 !!! [ 48.350702][ C0] !!! css_killed_ref_fn css ffff88810d3bfc00 !!! [ 48.358051][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810ead4800 !!! [ 48.363112][ C0] !!! css_killed_ref_fn css ffff88810d3bf400 !!! [ 48.377182][ T107] !!! css_release css ffff88810d3bfc00 !!! [ 48.383185][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d3bfc00 !!! [ 48.390845][ T386] !!! css_release css ffff88810d3bf400 !!! [ 48.396633][ T386] !!! css_put is zero set CSS_NO_REF css ffff88810d3bf400 !!! [ 48.404359][ T503] !!! css_create !!! [ 48.408574][ T503] !!! css_create !!! [ 48.412585][ T503] !!! css_create !!! [ 48.416486][ T503] FAULT_INJECTION: forcing a failure. [ 48.416486][ T503] name failslab, interval 1, probability 0, space 0, times 0 [ 48.429339][ T503] CPU: 0 PID: 503 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 48.440869][ T503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.450905][ T503] Call Trace: [ 48.454260][ T503] dump_stack+0x19c/0x1e2 [ 48.458651][ T503] should_fail+0x3f7/0x5b0 [ 48.463039][ T503] __should_failslab+0xd2/0x130 [ 48.468040][ T503] should_failslab+0x9/0x20 [ 48.472515][ T503] slab_pre_alloc_hook+0x25/0xe0 [ 48.477424][ T503] ? __kernfs_new_node+0x4c/0x6d0 [ 48.482509][ T503] __kmalloc_track_caller+0x70/0x300 [ 48.487962][ T503] ? __kernfs_new_node+0x4c/0x6d0 [ 48.492957][ T503] kstrdup_const+0x55/0x90 [ 48.497354][ T503] __kernfs_new_node+0x4c/0x6d0 [ 48.502179][ T503] ? string+0x29f/0x2b0 [ 48.506390][ T503] ? vsnprintf+0x1a6c/0x1b30 [ 48.510952][ T503] kernfs_new_node+0x97/0x170 [ 48.515700][ T503] __kernfs_create_file+0x4a/0x270 [ 48.520876][ T503] cgroup_addrm_files+0x99e/0xeb0 [ 48.526167][ T503] ? delete_node+0x747/0x7a0 [ 48.530834][ T503] css_populate_dir+0x137/0x370 [ 48.535681][ T503] cgroup_apply_control_enable+0x31e/0xfc0 [ 48.541556][ T503] cgroup_apply_control+0x36/0x710 [ 48.546638][ T503] ? init_wait_entry+0xe0/0xe0 [ 48.551459][ T503] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.556723][ T503] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.562676][ T503] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.568713][ T503] cgroup_file_write+0x22f/0x4f0 [ 48.573635][ T503] kernfs_fop_write_iter+0x2cd/0x410 [ 48.578891][ T503] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.583973][ T503] vfs_write+0xb57/0xe50 [ 48.588207][ T503] ksys_write+0x157/0x260 [ 48.592516][ T503] __x64_sys_write+0x7b/0x90 [ 48.597165][ T503] do_syscall_64+0x34/0x70 [ 48.601557][ T503] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.607426][ T503] RIP: 0033:0x7f3778d720e9 [ 48.611824][ T503] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.631501][ T503] RSP: 002b:00007f3778cc7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.639992][ T503] RAX: ffffffffffffffda RBX: 00007f3778e85030 RCX: 00007f3778d720e9 [ 48.647935][ T503] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.655876][ T503] RBP: 00007f3778cc71d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.663818][ T503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.671791][ T503] R13: 00007fffc1ff130f R14: 00007f3778cc7300 R15: 0000000000022000 [ 48.680816][ T503] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.688929][ T425] ------------[ cut here ]------------ [ 48.694415][ T425] WARNING: CPU: 0 PID: 425 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 48.703343][ T425] Modules linked in: [ 48.707222][ T425] CPU: 0 PID: 425 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 48.719042][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.729120][ T425] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 48.734940][ T425] Code: 48 c7 c2 00 df c4 85 e8 62 e2 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 f3 70 a7 ff e9 28 fd ff ff [ 48.755692][ T425] RSP: 0018:ffffc90000d17d58 EFLAGS: 00010293 [ 48.761761][ T425] RAX: ffffffff81af02dc RBX: ffff88810c88c6e0 RCX: ffff8881025dbd00 [ 48.769844][ T425] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 48.777904][ T425] RBP: ffffc90000d17dc8 R08: ffffffff81af0007 R09: fffff520001a2fa3 [ 48.785961][ T425] R10: fffff520001a2fa3 R11: 1ffff920001a2fa2 R12: dffffc0000000000 [ 48.793955][ T425] R13: ffff88810c88c600 R14: 00000000fffffffe R15: 0000000000000000 [ 48.802023][ T425] FS: 0000555556eb6400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.810962][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.817709][ T425] CR2: 00007fffc1fefd28 CR3: 000000011b1dc000 CR4: 00000000003506b0 [ 48.826290][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.834369][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.842381][ T425] Call Trace: [ 48.845677][ T425] ? init_wait_entry+0xe0/0xe0 [ 48.850421][ T425] ? up_write+0x68/0x140 [ 48.854680][ T425] namespace_unlock+0x377/0x420 [ 48.859524][ T425] path_umount+0xe23/0xed0 [ 48.864114][ T425] __x64_sys_umount+0xe8/0x110 [ 48.869040][ T425] do_syscall_64+0x34/0x70 [ 48.873460][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.879357][ T425] RIP: 0033:0x7f3778d73557 [ 48.883772][ T425] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.903557][ T425] RSP: 002b:00007fffc1ff0468 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 48.911998][ T425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3778d73557 [ 48.920056][ T425] RDX: 00007fffc1ff0539 RSI: 000000000000000a RDI: 00007fffc1ff0530 [ 48.928383][ T425] RBP: 00007fffc1ff0530 R08: 00000000ffffffff R09: 00007fffc1ff0300 [ 48.936468][ T425] R10: 0000555556eb7ba3 R11: 0000000000000246 R12: 00007f3778dcb1f8 [ 48.944446][ T425] R13: 00007fffc1ff15f0 R14: 0000555556eb7b00 R15: 00007fffc1ff1630 [ 48.952422][ T425] ---[ end trace 058fb55291bd45be ]--- [ 48.957918][ T425] ------------[ cut here ]------------ [ 48.963387][ T425] WARNING: CPU: 0 PID: 425 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 48.972318][ T425] Modules linked in: [ 48.976287][ T425] CPU: 0 PID: 425 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 48.987846][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.998150][ T425] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 49.003782][ T425] Code: 48 c7 c2 00 df c4 85 e8 62 e2 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 f3 70 a7 ff e9 28 fd ff ff [ 49.023399][ T425] RSP: 0018:ffffc90000d17dd0 EFLAGS: 00010293 [ 49.029449][ T425] RAX: ffffffff81af02dc RBX: ffff88810c88c6e0 RCX: ffff8881025dbd00 [ 49.037454][ T425] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 49.045423][ T425] RBP: ffffc90000d17e40 R08: ffffffff81af0007 R09: fffff520001a2fb2 [ 49.053405][ T425] R10: fffff520001a2fb2 R11: 1ffff920001a2fb1 R12: dffffc0000000000 [ 49.061842][ T425] R13: ffff88810c88c600 R14: 00000000fffffffd R15: 0000000000000000 [ 49.069898][ T425] FS: 0000555556eb6400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 49.078838][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.085424][ T425] CR2: 00007fffc1fefd28 CR3: 000000011b1dc000 CR4: 00000000003506b0 [ 49.093415][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.101501][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.109803][ T425] Call Trace: [ 49.113123][ T425] path_umount+0x1ad/0xed0 [ 49.117538][ T425] __x64_sys_umount+0xe8/0x110 [ 49.122649][ T425] do_syscall_64+0x34/0x70 [ 49.127049][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.132963][ T425] RIP: 0033:0x7f3778d73557 [ 49.137375][ T425] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.157131][ T425] RSP: 002b:00007fffc1ff0468 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 49.165664][ T425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3778d73557 [ 49.173647][ T425] RDX: 00007fffc1ff0539 RSI: 000000000000000a RDI: 00007fffc1ff0530 [ 49.181619][ T425] RBP: 00007fffc1ff0530 R08: 00000000ffffffff R09: 00007fffc1ff0300 [ 49.189564][ T425] R10: 0000555556eb7ba3 R11: 0000000000000246 R12: 00007f3778dcb1f8 [ 49.197530][ T425] R13: 00007fffc1ff15f0 R14: 0000555556eb7b00 R15: 00007fffc1ff1630 [ 49.205505][ T425] ---[ end trace 058fb55291bd45bf ]--- [ 49.230664][ C0] !!! css_killed_ref_fn css ffff88810e8eac00 !!! [ 49.237148][ C0] !!! css_killed_ref_fn css ffff88810ed60800 !!! [ 49.243474][ C0] !!! css_killed_ref_fn css ffff88810ead5c00 !!! [ 49.250044][ T107] !!! css_release css ffff88810e8eac00 !!! [ 49.255866][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e8eac00 !!! [ 49.263346][ T107] !!! css_release css ffff88810ed60800 !!! [ 49.269459][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810ed60800 !!! [ 49.277062][ T107] !!! css_release css ffff88810ead5c00 !!! [ 49.282959][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810ead5c00 !!! [ 49.290510][ T533] !!! css_create !!! [ 49.294535][ T533] !!! css_create !!! [ 49.298671][ T533] !!! css_create !!! [ 49.303245][ T533] FAULT_INJECTION: forcing a failure. [ 49.303245][ T533] name failslab, interval 1, probability 0, space 0, times 0 [ 49.316313][ T533] CPU: 0 PID: 533 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 49.328248][ T533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.338487][ T533] Call Trace: [ 49.341765][ T533] dump_stack+0x19c/0x1e2 [ 49.346096][ T533] should_fail+0x3f7/0x5b0 [ 49.351199][ T533] __should_failslab+0xd2/0x130 [ 49.356137][ T533] should_failslab+0x9/0x20 [ 49.361186][ T533] slab_pre_alloc_hook+0x25/0xe0 [ 49.366251][ T533] ? __kernfs_new_node+0x4c/0x6d0 [ 49.371461][ T533] __kmalloc_track_caller+0x70/0x300 [ 49.376818][ T533] ? __kernfs_new_node+0x4c/0x6d0 [ 49.381868][ T533] kstrdup_const+0x55/0x90 [ 49.386280][ T533] __kernfs_new_node+0x4c/0x6d0 [ 49.391212][ T533] ? string+0x29f/0x2b0 [ 49.395352][ T533] ? vsnprintf+0x1a6c/0x1b30 [ 49.400096][ T533] kernfs_new_node+0x97/0x170 [ 49.404838][ T533] __kernfs_create_file+0x4a/0x270 [ 49.410018][ T533] cgroup_addrm_files+0x99e/0xeb0 [ 49.415041][ T533] ? delete_node+0x747/0x7a0 [ 49.419608][ T533] css_populate_dir+0x137/0x370 [ 49.424431][ T533] cgroup_apply_control_enable+0x31e/0xfc0 [ 49.430387][ T533] cgroup_apply_control+0x36/0x710 [ 49.435555][ T533] ? init_wait_entry+0xe0/0xe0 [ 49.440295][ T533] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.445570][ T533] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.451625][ T533] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.457593][ T533] cgroup_file_write+0x22f/0x4f0 [ 49.462505][ T533] kernfs_fop_write_iter+0x2cd/0x410 [ 49.469447][ T533] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.474642][ T533] vfs_write+0xb57/0xe50 [ 49.478865][ T533] ksys_write+0x157/0x260 [ 49.483530][ T533] __x64_sys_write+0x7b/0x90 [ 49.488367][ T533] do_syscall_64+0x34/0x70 [ 49.492856][ T533] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.498734][ T533] RIP: 0033:0x7f8883ff40e9 [ 49.503393][ T533] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.523073][ T533] RSP: 002b:00007f8883f49168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.531551][ T533] RAX: ffffffffffffffda RBX: 00007f8884107030 RCX: 00007f8883ff40e9 [ 49.539501][ T533] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.547553][ T533] RBP: 00007f8883f491d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.555771][ T533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.563717][ T533] R13: 00007ffc3f0e351f R14: 00007f8883f49300 R15: 0000000000022000 [ 49.571763][ T533] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.630663][ C0] !!! css_killed_ref_fn css ffff88810ed17c00 !!! [ 49.637031][ C0] !!! css_killed_ref_fn css ffff88810ed15800 !!! [ 49.643375][ C0] !!! css_killed_ref_fn css ffff88810ed9a400 !!! [ 49.649905][ T107] !!! css_release css ffff88810ed17c00 !!! [ 49.655737][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810ed17c00 !!! [ 49.663539][ T107] !!! css_release css ffff88810ed15800 !!! [ 49.669323][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810ed15800 !!! [ 49.676922][ T107] !!! css_release css ffff88810ed9a400 !!! [ 49.682817][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810ed9a400 !!! [ 49.690890][ T518] !!! css_create !!! [ 49.695033][ T518] !!! css_create !!! [ 49.699476][ T518] !!! css_create !!! [ 49.703428][ T518] FAULT_INJECTION: forcing a failure. [ 49.703428][ T518] name failslab, interval 1, probability 0, space 0, times 0 [ 49.716111][ T518] CPU: 0 PID: 518 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 49.727718][ T518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.737832][ T518] Call Trace: [ 49.741099][ T518] dump_stack+0x19c/0x1e2 [ 49.745421][ T518] should_fail+0x3f7/0x5b0 [ 49.749909][ T518] __should_failslab+0xd2/0x130 [ 49.754740][ T518] should_failslab+0x9/0x20 [ 49.759215][ T518] slab_pre_alloc_hook+0x25/0xe0 [ 49.764132][ T518] ? __kernfs_new_node+0x4c/0x6d0 [ 49.769233][ T518] __kmalloc_track_caller+0x70/0x300 [ 49.774605][ T518] ? __kernfs_new_node+0x4c/0x6d0 [ 49.779616][ T518] kstrdup_const+0x55/0x90 [ 49.784102][ T518] __kernfs_new_node+0x4c/0x6d0 [ 49.789104][ T518] ? string+0x29f/0x2b0 [ 49.793258][ T518] ? vsnprintf+0x1a6c/0x1b30 [ 49.797853][ T518] kernfs_new_node+0x97/0x170 [ 49.802604][ T518] __kernfs_create_file+0x4a/0x270 [ 49.807948][ T518] cgroup_addrm_files+0x99e/0xeb0 [ 49.812969][ T518] ? delete_node+0x747/0x7a0 [ 49.817553][ T518] css_populate_dir+0x137/0x370 [ 49.822477][ T518] cgroup_apply_control_enable+0x31e/0xfc0 [ 49.828268][ T518] cgroup_apply_control+0x36/0x710 [ 49.833350][ T518] ? init_wait_entry+0xe0/0xe0 [ 49.838090][ T518] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.843453][ T518] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.849543][ T518] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.855535][ T518] cgroup_file_write+0x22f/0x4f0 [ 49.860557][ T518] kernfs_fop_write_iter+0x2cd/0x410 [ 49.865835][ T518] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.870928][ T518] vfs_write+0xb57/0xe50 [ 49.875262][ T518] ksys_write+0x157/0x260 [ 49.879591][ T518] __x64_sys_write+0x7b/0x90 [ 49.884169][ T518] do_syscall_64+0x34/0x70 [ 49.888705][ T518] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.894855][ T518] RIP: 0033:0x7fe21c94c0e9 [ 49.899342][ T518] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.920760][ T518] RSP: 002b:00007fe21c8a1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.929424][ T518] RAX: ffffffffffffffda RBX: 00007fe21ca5f030 RCX: 00007fe21c94c0e9 [ 49.937557][ T518] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.945510][ T518] RBP: 00007fe21c8a11d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.953604][ T518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.961648][ T518] R13: 00007ffc9e38a35f R14: 00007fe21c8a1300 R15: 0000000000022000 [ 49.969679][ T518] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.000696][ C0] !!! css_killed_ref_fn css ffff88810ed9b800 !!! [ 50.007075][ C0] !!! css_killed_ref_fn css ffff88810ed9a800 !!! [ 50.013420][ C0] !!! css_killed_ref_fn css ffff88810ed98400 !!! [ 50.019880][ T107] !!! css_release css ffff88810ed9b800 !!! [ 50.025714][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810ed9b800 !!! [ 50.033257][ T107] !!! css_release css ffff88810ed9a800 !!! [ 50.039132][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810ed9a800 !!! [ 50.046788][ T107] !!! css_release css ffff88810ed98400 !!! [ 50.052618][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810ed98400 !!! [ 50.060115][ T500] !!! css_create !!! [ 50.064110][ T500] !!! css_create !!! [ 50.068297][ T500] !!! css_create !!! [ 50.072228][ T500] FAULT_INJECTION: forcing a failure. [ 50.072228][ T500] name failslab, interval 1, probability 0, space 0, times 0 [ 50.084832][ T500] CPU: 0 PID: 500 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 50.096340][ T500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.106482][ T500] Call Trace: [ 50.109931][ T500] dump_stack+0x19c/0x1e2 [ 50.114440][ T500] should_fail+0x3f7/0x5b0 [ 50.118837][ T500] __should_failslab+0xd2/0x130 [ 50.123687][ T500] should_failslab+0x9/0x20 [ 50.128433][ T500] slab_pre_alloc_hook+0x25/0xe0 [ 50.133352][ T500] kmem_cache_alloc_trace+0x47/0x2b0 [ 50.138616][ T500] ? pids_css_alloc+0x4e/0x120 [ 50.143359][ T500] pids_css_alloc+0x4e/0x120 [ 50.147926][ T500] cgroup_apply_control_enable+0x44e/0xfc0 [ 50.153714][ T500] cgroup_apply_control+0x36/0x710 [ 50.158809][ T500] ? init_wait_entry+0xe0/0xe0 [ 50.163621][ T500] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.168907][ T500] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.174977][ T500] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.181165][ T500] cgroup_file_write+0x22f/0x4f0 [ 50.186336][ T500] kernfs_fop_write_iter+0x2cd/0x410 [ 50.191707][ T500] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.196800][ T500] vfs_write+0xb57/0xe50 [ 50.201213][ T500] ksys_write+0x157/0x260 [ 50.205564][ T500] __x64_sys_write+0x7b/0x90 [ 50.210507][ T500] do_syscall_64+0x34/0x70 [ 50.214991][ T500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.220861][ T500] RIP: 0033:0x7fc33a37c0e9 [ 50.225398][ T500] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.245177][ T500] RSP: 002b:00007fc33a2d1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.253661][ T500] RAX: ffffffffffffffda RBX: 00007fc33a48f030 RCX: 00007fc33a37c0e9 [ 50.261798][ T500] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.269934][ T500] RBP: 00007fc33a2d11d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.277901][ T500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.285858][ T500] R13: 00007ffdd960126f R14: 00007fc33a2d1300 R15: 0000000000022000 [ 50.296410][ T417] ------------[ cut here ]------------ [ 50.301917][ T417] WARNING: CPU: 0 PID: 417 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 50.310860][ T417] Modules linked in: [ 50.314767][ T417] CPU: 0 PID: 417 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 50.326489][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.336633][ T417] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 50.342292][ T417] Code: 48 c7 c2 00 df c4 85 e8 62 e2 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 f3 70 a7 ff e9 28 fd ff ff [ 50.361991][ T417] RSP: 0018:ffffc90000c47d58 EFLAGS: 00010293 [ 50.368127][ T417] RAX: ffffffff81af02dc RBX: ffff88810c97f2e0 RCX: ffff8881025d8000 [ 50.376102][ T417] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: 0000000000000000 [ 50.384072][ T417] RBP: ffffc90000c47dc8 R08: ffffffff81af0007 R09: fffff52000188fa3 [ 50.392037][ T417] R10: fffff52000188fa3 R11: 1ffff92000188fa2 R12: dffffc0000000000 [ 50.400110][ T417] R13: ffff88810c97f200 R14: 00000000fffffffc R15: 0000000000000000 [ 50.408083][ T417] FS: 0000555556417400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 50.416999][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.423852][ T417] CR2: 00007fffc1ff1548 CR3: 0000000118515000 CR4: 00000000003506b0 [ 50.431835][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.439872][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.447833][ T417] Call Trace: [ 50.451112][ T417] ? init_wait_entry+0xe0/0xe0 [ 50.455856][ T417] ? up_write+0x68/0x140 [ 50.460084][ T417] namespace_unlock+0x377/0x420 [ 50.464923][ T417] path_umount+0xe23/0xed0 [ 50.469409][ T417] __x64_sys_umount+0xe8/0x110 [ 50.474171][ T417] do_syscall_64+0x34/0x70 [ 50.478573][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.484477][ T417] RIP: 0033:0x7fc33a37d557 [ 50.488894][ 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 [ 50.508497][ T417] RSP: 002b:00007ffdd96003c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 50.517846][ T417] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc33a37d557 [ 50.525822][ T417] RDX: 00007ffdd9600499 RSI: 000000000000000a RDI: 00007ffdd9600490 [ 50.533792][ T417] RBP: 00007ffdd9600490 R08: 00000000ffffffff R09: 00007ffdd9600260 [ 50.541773][ T417] R10: 0000555556418ba3 R11: 0000000000000246 R12: 00007fc33a3d51f8 [ 50.549814][ T417] R13: 00007ffdd9601550 R14: 0000555556418b00 R15: 00007ffdd9601590 [ 50.557794][ T417] ---[ end trace 058fb55291bd45c0 ]--- [ 50.565329][ T417] ------------[ cut here ]------------ [ 50.570830][ T417] WARNING: CPU: 0 PID: 417 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 50.579840][ T417] Modules linked in: [ 50.583835][ C0] !!! css_killed_ref_fn css ffff88810d425c00 !!! [ 50.583857][ C0] !!! css_killed_ref_fn css ffff88810d424c00 !!! [ 50.596534][ T417] CPU: 0 PID: 417 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 50.608077][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.618164][ T417] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 50.623980][ T417] Code: 48 c7 c2 00 df c4 85 e8 62 e2 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 f3 70 a7 ff e9 28 fd ff ff [ 50.643585][ T417] RSP: 0018:ffffc90000c47dd0 EFLAGS: 00010293 [ 50.649726][ T417] RAX: ffffffff81af02dc RBX: ffff88810c97f2e0 RCX: ffff8881025d8000 [ 50.657705][ T417] RDX: 0000000000000000 RSI: 00000000fffffffb RDI: 0000000000000000 [ 50.665690][ T417] RBP: ffffc90000c47e40 R08: ffffffff81af0007 R09: fffff52000188fb2 [ 50.673740][ T417] R10: fffff52000188fb2 R11: 1ffff92000188fb1 R12: dffffc0000000000 [ 50.681792][ T417] R13: ffff88810c97f200 R14: 00000000fffffffb R15: 0000000000000000 [ 50.689835][ T417] FS: 0000555556417400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 50.698835][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.705410][ T417] CR2: 00007fe21c9d2e69 CR3: 0000000118515000 CR4: 00000000003506b0 [ 50.713468][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.721432][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.729380][ T417] Call Trace: [ 50.732666][ T417] path_umount+0x1ad/0xed0 [ 50.737066][ T417] __x64_sys_umount+0xe8/0x110 [ 50.741823][ T417] do_syscall_64+0x34/0x70 [ 50.746305][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.752199][ T417] RIP: 0033:0x7fc33a37d557 [ 50.756600][ 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 [ 50.776217][ T417] RSP: 002b:00007ffdd96003c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 50.787088][ T417] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc33a37d557 [ 50.795083][ T417] RDX: 00007ffdd9600499 RSI: 000000000000000a RDI: 00007ffdd9600490 [ 50.803066][ T417] RBP: 00007ffdd9600490 R08: 00000000ffffffff R09: 00007ffdd9600260 [ 50.811134][ T417] R10: 0000555556418ba3 R11: 0000000000000246 R12: 00007fc33a3d51f8 [ 50.819141][ T417] R13: 00007ffdd9601550 R14: 0000555556418b00 R15: 00007ffdd9601590 [ 50.827152][ T417] ---[ end trace 058fb55291bd45c1 ]--- [ 50.832809][ T386] !!! css_release css ffff88810d425c00 !!! [ 50.838605][ T386] !!! css_put is zero set CSS_NO_REF css ffff88810d425c00 !!! [ 50.849415][ T107] !!! css_release css ffff88810d424c00 !!! [ 50.855350][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d424c00 !!! [ 50.863120][ T531] !!! css_create !!! [ 50.867230][ T531] !!! css_create !!! [ 50.871347][ T531] !!! css_create !!! [ 50.875252][ T531] FAULT_INJECTION: forcing a failure. [ 50.875252][ T531] name failslab, interval 1, probability 0, space 0, times 0 [ 50.887952][ T531] CPU: 0 PID: 531 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 50.899572][ T531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.909603][ T531] Call Trace: [ 50.912875][ T531] dump_stack+0x19c/0x1e2 [ 50.917192][ T531] should_fail+0x3f7/0x5b0 [ 50.921592][ T531] __should_failslab+0xd2/0x130 [ 50.926423][ T531] should_failslab+0x9/0x20 [ 50.930989][ T531] slab_pre_alloc_hook+0x25/0xe0 [ 50.935910][ T531] kmem_cache_alloc_trace+0x47/0x2b0 [ 50.941264][ T531] ? percpu_ref_init+0xd0/0x330 [ 50.946094][ T531] percpu_ref_init+0xd0/0x330 [ 50.950768][ T531] ? cgroup_setup_root+0x8a0/0x8a0 [ 50.955943][ T531] cgroup_apply_control_enable+0x49f/0xfc0 [ 50.961726][ T531] cgroup_apply_control+0x36/0x710 [ 50.966809][ T531] ? init_wait_entry+0xe0/0xe0 [ 50.971563][ T531] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.976922][ T531] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.982875][ T531] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.988842][ T531] cgroup_file_write+0x22f/0x4f0 [ 50.993755][ T531] kernfs_fop_write_iter+0x2cd/0x410 [ 50.999018][ T531] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.004098][ T531] vfs_write+0xb57/0xe50 [ 51.008316][ T531] ksys_write+0x157/0x260 [ 51.012799][ T531] __x64_sys_write+0x7b/0x90 [ 51.017365][ T531] do_syscall_64+0x34/0x70 [ 51.021751][ T531] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.027610][ T531] RIP: 0033:0x7f1ee90e00e9 [ 51.031997][ T531] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.051744][ T531] RSP: 002b:00007f1ee9035168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.060299][ T531] RAX: ffffffffffffffda RBX: 00007f1ee91f3030 RCX: 00007f1ee90e00e9 [ 51.068248][ T531] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.076283][ T531] RBP: 00007f1ee90351d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.084232][ T531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.092174][ T531] R13: 00007ffe9f2d01af R14: 00007f1ee9035300 R15: 0000000000022000 [ 51.150667][ C0] !!! css_killed_ref_fn css ffff88810d3bec00 !!! [ 51.157039][ C0] !!! css_killed_ref_fn css ffff88810d3be000 !!! [ 51.163616][ T5] !!! css_release css ffff88810d3bec00 !!! [ 51.169602][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810d3bec00 !!! [ 51.177566][ T5] !!! css_release css ffff88810d3be000 !!! [ 51.183538][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810d3be000 !!! [ 51.191545][ T542] !!! css_create !!! [ 51.195620][ T542] !!! css_create !!! [ 51.199776][ T542] !!! css_create !!! [ 51.203910][ T542] FAULT_INJECTION: forcing a failure. [ 51.203910][ T542] name failslab, interval 1, probability 0, space 0, times 0 [ 51.217044][ T542] CPU: 1 PID: 542 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 51.228573][ T542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.238603][ T542] Call Trace: [ 51.241882][ T542] dump_stack+0x19c/0x1e2 [ 51.246235][ T542] should_fail+0x3f7/0x5b0 [ 51.250721][ T542] __should_failslab+0xd2/0x130 [ 51.255544][ T542] should_failslab+0x9/0x20 [ 51.260020][ T542] slab_pre_alloc_hook+0x25/0xe0 [ 51.266236][ T542] ? __kernfs_new_node+0x4c/0x6d0 [ 51.271498][ T542] __kmalloc_track_caller+0x70/0x300 [ 51.277295][ T542] ? __kernfs_new_node+0x4c/0x6d0 [ 51.282464][ T542] kstrdup_const+0x55/0x90 [ 51.286858][ T542] __kernfs_new_node+0x4c/0x6d0 [ 51.291685][ T542] ? string+0x29f/0x2b0 [ 51.295811][ T542] ? vsnprintf+0x1a6c/0x1b30 [ 51.300373][ T542] kernfs_new_node+0x97/0x170 [ 51.305040][ T542] __kernfs_create_file+0x4a/0x270 [ 51.310124][ T542] cgroup_addrm_files+0x99e/0xeb0 [ 51.315148][ T542] ? delete_node+0x747/0x7a0 [ 51.319727][ T542] css_populate_dir+0x137/0x370 [ 51.324557][ T542] cgroup_apply_control_enable+0x31e/0xfc0 [ 51.330333][ T542] cgroup_apply_control+0x36/0x710 [ 51.335521][ T542] ? init_wait_entry+0xe0/0xe0 [ 51.340268][ T542] ? cgroup_kn_lock_live+0x1af/0x370 [ 51.345625][ T542] cgroup_subtree_control_write+0xd05/0x12d0 [ 51.351583][ T542] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 51.357544][ T542] cgroup_file_write+0x22f/0x4f0 [ 51.362721][ T542] kernfs_fop_write_iter+0x2cd/0x410 [ 51.367986][ T542] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.373080][ T542] vfs_write+0xb57/0xe50 [ 51.377306][ T542] ksys_write+0x157/0x260 [ 51.381787][ T542] __x64_sys_write+0x7b/0x90 [ 51.386359][ T542] do_syscall_64+0x34/0x70 [ 51.390836][ T542] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.396726][ T542] RIP: 0033:0x7fe21c94c0e9 [ 51.401118][ 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 [ 51.420983][ T542] RSP: 002b:00007fe21c8a1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.429370][ T542] RAX: ffffffffffffffda RBX: 00007fe21ca5f030 RCX: 00007fe21c94c0e9 [ 51.437697][ T542] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.445889][ T542] RBP: 00007fe21c8a11d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.453837][ T542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.461781][ T542] R13: 00007ffc9e38a35f R14: 00007fe21c8a1300 R15: 0000000000022000 [ 51.469880][ T542] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.510701][ C0] !!! css_killed_ref_fn css ffff88810f343000 !!! [ 51.517040][ C0] !!! css_killed_ref_fn css ffff88810f340000 !!! [ 51.523370][ C0] !!! css_killed_ref_fn css ffff88810f342c00 !!! [ 51.529840][ T5] !!! css_release css ffff88810f343000 !!! [ 51.535724][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810f343000 !!! [ 51.543313][ T5] !!! css_release css ffff88810f340000 !!! [ 51.549626][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810f340000 !!! [ 51.557386][ T5] !!! css_release css ffff88810f342c00 !!! [ 51.563231][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810f342c00 !!! [ 51.570759][ T565] !!! css_create !!! [ 51.574674][ T565] !!! css_create !!! [ 51.578564][ T565] !!! css_create !!! [ 51.582565][ T565] FAULT_INJECTION: forcing a failure. [ 51.582565][ T565] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 51.595781][ T565] CPU: 0 PID: 565 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 51.607295][ T565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.617341][ T565] Call Trace: [ 51.620622][ T565] dump_stack+0x19c/0x1e2 [ 51.624937][ T565] should_fail+0x3f7/0x5b0 [ 51.629686][ T565] should_fail_alloc_page+0xa9/0xd0 [ 51.634860][ T565] __alloc_pages_nodemask+0x121/0x740 [ 51.640208][ T565] allocate_slab+0x72/0x580 [ 51.644691][ T565] ___slab_alloc+0x131/0x2e0 [ 51.649253][ T565] ? pids_css_alloc+0x4e/0x120 [ 51.653993][ T565] __slab_alloc+0x63/0xa0 [ 51.658377][ T565] ? pids_css_alloc+0x4e/0x120 [ 51.663118][ T565] kmem_cache_alloc_trace+0xe5/0x2b0 [ 51.668391][ T565] ? pids_css_alloc+0x4e/0x120 [ 51.673126][ T565] pids_css_alloc+0x4e/0x120 [ 51.677699][ T565] cgroup_apply_control_enable+0x44e/0xfc0 [ 51.683474][ T565] cgroup_apply_control+0x36/0x710 [ 51.688555][ T565] ? init_wait_entry+0xe0/0xe0 [ 51.693288][ T565] ? cgroup_kn_lock_live+0x1af/0x370 [ 51.698542][ T565] cgroup_subtree_control_write+0xd05/0x12d0 [ 51.704494][ T565] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 51.710445][ T565] cgroup_file_write+0x22f/0x4f0 [ 51.715797][ T565] kernfs_fop_write_iter+0x2cd/0x410 [ 51.721159][ T565] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.726244][ T565] vfs_write+0xb57/0xe50 [ 51.730457][ T565] ksys_write+0x157/0x260 [ 51.734759][ T565] __x64_sys_write+0x7b/0x90 [ 51.739324][ T565] do_syscall_64+0x34/0x70 [ 51.743711][ T565] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.750213][ T565] RIP: 0033:0x7f1ee90e00e9 [ 51.754602][ T565] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.775064][ T565] RSP: 002b:00007f1ee9035168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.783472][ T565] RAX: ffffffffffffffda RBX: 00007f1ee91f3030 RCX: 00007f1ee90e00e9 [ 51.791611][ T565] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.799727][ T565] RBP: 00007f1ee90351d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.807848][ T565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.815882][ T565] R13: 00007ffe9f2d01af R14: 00007f1ee9035300 R15: 0000000000022000 [ 51.824605][ T565] !!! css_create !!! [ 51.828521][ T565] !!! css_create !!! [ 51.832641][ T565] !!! css_create !!! [ 51.860803][ C1] !!! css_killed_ref_fn css ffff88810ed60c00 !!! [ 51.867460][ C1] !!! css_killed_ref_fn css ffff88810ed61000 !!! [ 51.873872][ C1] !!! css_killed_ref_fn css ffff88810d31e800 !!! [ 51.880187][ C1] !!! css_killed_ref_fn css ffff88810d31ec00 !!! [ 51.886625][ T23] !!! css_release css ffff88810ed60c00 !!! [ 51.892455][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810ed60c00 !!! [ 51.899899][ T23] !!! css_release css ffff88810ed61000 !!! [ 51.905803][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810ed61000 !!! [ 51.913275][ C1] !!! css_killed_ref_fn css ffff88810d31e400 !!! [ 51.919669][ C1] !!! css_killed_ref_fn css ffff88810d31e000 !!! [ 51.926213][ T23] !!! css_release css ffff88810d31e800 !!! [ 51.932009][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810d31e800 !!! [ 51.939449][ T23] !!! css_release css ffff88810d31ec00 !!! [ 51.945413][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810d31ec00 !!! [ 51.952917][ T18] !!! css_release css ffff88810d31e400 !!! [ 51.958705][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810d31e400 !!! [ 51.966462][ T23] !!! css_release css ffff88810d31e000 !!! [ 51.972278][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810d31e000 !!! [ 51.979762][ T566] !!! css_create !!! [ 51.984161][ T566] !!! css_create !!! [ 51.988100][ T566] !!! css_create !!! [ 51.992062][ T566] FAULT_INJECTION: forcing a failure. [ 51.992062][ T566] name failslab, interval 1, probability 0, space 0, times 0 [ 52.004922][ T566] CPU: 1 PID: 566 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 52.016617][ T566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.026662][ T566] Call Trace: [ 52.030111][ T566] dump_stack+0x19c/0x1e2 [ 52.034432][ T566] should_fail+0x3f7/0x5b0 [ 52.038834][ T566] __should_failslab+0xd2/0x130 [ 52.043856][ T566] should_failslab+0x9/0x20 [ 52.048347][ T566] slab_pre_alloc_hook+0x25/0xe0 [ 52.053366][ T566] ? __kernfs_new_node+0x4c/0x6d0 [ 52.058379][ T566] __kmalloc_track_caller+0x70/0x300 [ 52.063647][ T566] ? __kernfs_new_node+0x4c/0x6d0 [ 52.068648][ T566] kstrdup_const+0x55/0x90 [ 52.073057][ T566] __kernfs_new_node+0x4c/0x6d0 [ 52.077891][ T566] ? string+0x29f/0x2b0 [ 52.082035][ T566] ? vsnprintf+0x1a6c/0x1b30 [ 52.086600][ T566] kernfs_new_node+0x97/0x170 [ 52.091338][ T566] __kernfs_create_file+0x4a/0x270 [ 52.096617][ T566] cgroup_addrm_files+0x99e/0xeb0 [ 52.101617][ T566] ? delete_node+0x747/0x7a0 [ 52.106184][ T566] css_populate_dir+0x137/0x370 [ 52.111049][ T566] cgroup_apply_control_enable+0x31e/0xfc0 [ 52.116834][ T566] cgroup_apply_control+0x36/0x710 [ 52.121915][ T566] ? init_wait_entry+0xe0/0xe0 [ 52.126764][ T566] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.132036][ T566] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.137989][ T566] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.144112][ T566] cgroup_file_write+0x22f/0x4f0 [ 52.149020][ T566] kernfs_fop_write_iter+0x2cd/0x410 [ 52.154278][ T566] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.159545][ T566] vfs_write+0xb57/0xe50 [ 52.163791][ T566] ksys_write+0x157/0x260 [ 52.168440][ T566] __x64_sys_write+0x7b/0x90 [ 52.173101][ T566] do_syscall_64+0x34/0x70 [ 52.177493][ T566] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.183469][ T566] RIP: 0033:0x7fc33a37c0e9 [ 52.187957][ 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 [ 52.207804][ T566] RSP: 002b:00007fc33a2d1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.216295][ T566] RAX: ffffffffffffffda RBX: 00007fc33a48f030 RCX: 00007fc33a37c0e9 [ 52.224815][ T566] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.232773][ T566] RBP: 00007fc33a2d11d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.241254][ T566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.249383][ T566] R13: 00007ffdd960126f R14: 00007fc33a2d1300 R15: 0000000000022000 [ 52.257493][ T566] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.300713][ C1] !!! css_killed_ref_fn css ffff88810d5ff800 !!! [ 52.307202][ C1] !!! css_killed_ref_fn css ffff88810d5fe400 !!! [ 52.313562][ C1] !!! css_killed_ref_fn css ffff88810d5fdc00 !!! [ 52.319928][ T23] !!! css_release css ffff88810d5ff800 !!! [ 52.325958][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810d5ff800 !!! [ 52.333440][ T23] !!! css_release css ffff88810d5fe400 !!! [ 52.339416][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810d5fe400 !!! [ 52.347611][ T18] !!! css_release css ffff88810d5fdc00 !!! [ 52.353815][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810d5fdc00 !!! [ 52.361649][ T567] !!! css_create !!! [ 52.365691][ T567] !!! css_create !!! [ 52.369611][ T567] !!! css_create !!! [ 52.373533][ T567] FAULT_INJECTION: forcing a failure. [ 52.373533][ T567] name failslab, interval 1, probability 0, space 0, times 0 [ 52.386249][ T567] CPU: 1 PID: 567 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 52.397867][ T567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.407904][ T567] Call Trace: [ 52.411196][ T567] dump_stack+0x19c/0x1e2 [ 52.415512][ T567] should_fail+0x3f7/0x5b0 [ 52.420165][ T567] __should_failslab+0xd2/0x130 [ 52.424991][ T567] should_failslab+0x9/0x20 [ 52.429468][ T567] slab_pre_alloc_hook+0x25/0xe0 [ 52.434728][ T567] kmem_cache_alloc_trace+0x47/0x2b0 [ 52.439992][ T567] ? percpu_ref_init+0xd0/0x330 [ 52.444821][ T567] percpu_ref_init+0xd0/0x330 [ 52.449561][ T567] ? cgroup_setup_root+0x8a0/0x8a0 [ 52.454650][ T567] cgroup_apply_control_enable+0x49f/0xfc0 [ 52.460426][ T567] cgroup_apply_control+0x36/0x710 [ 52.465514][ T567] ? init_wait_entry+0xe0/0xe0 [ 52.470374][ T567] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.475804][ T567] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.481768][ T567] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.487821][ T567] cgroup_file_write+0x22f/0x4f0 [ 52.492725][ T567] kernfs_fop_write_iter+0x2cd/0x410 [ 52.497976][ T567] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.503063][ T567] vfs_write+0xb57/0xe50 [ 52.507276][ T567] ksys_write+0x157/0x260 [ 52.511583][ T567] __x64_sys_write+0x7b/0x90 [ 52.516149][ T567] do_syscall_64+0x34/0x70 [ 52.520539][ T567] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.526504][ T567] RIP: 0033:0x7f8883ff40e9 [ 52.530897][ T567] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.550476][ T567] RSP: 002b:00007f8883f49168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.558858][ T567] RAX: ffffffffffffffda RBX: 00007f8884107030 RCX: 00007f8883ff40e9 [ 52.566798][ T567] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.574744][ T567] RBP: 00007f8883f491d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.582685][ T567] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.590639][ T567] R13: 00007ffc3f0e351f R14: 00007f8883f49300 R15: 0000000000022000 [ 52.660713][ C1] !!! css_killed_ref_fn css ffff88810f7b0c00 !!! [ 52.667238][ C1] !!! css_killed_ref_fn css ffff88810f7b1c00 !!! [ 52.673634][ T18] !!! css_release css ffff88810f7b0c00 !!! [ 52.679427][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810f7b0c00 !!! [ 52.687163][ T18] !!! css_release css ffff88810f7b1c00 !!! [ 52.693101][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810f7b1c00 !!! [ 52.700824][ T532] !!! css_create !!! [ 52.704753][ T532] !!! css_create !!! [ 52.708684][ T532] !!! css_create !!! [ 52.712690][ T532] FAULT_INJECTION: forcing a failure. [ 52.712690][ T532] name failslab, interval 1, probability 0, space 0, times 0 [ 52.725280][ T532] CPU: 1 PID: 532 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 52.737049][ T532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.747166][ T532] Call Trace: [ 52.750442][ T532] dump_stack+0x19c/0x1e2 [ 52.754873][ T532] should_fail+0x3f7/0x5b0 [ 52.759589][ T532] __should_failslab+0xd2/0x130 [ 52.764448][ T532] should_failslab+0x9/0x20 [ 52.769060][ T532] slab_pre_alloc_hook+0x25/0xe0 [ 52.773993][ T532] kmem_cache_alloc_trace+0x47/0x2b0 [ 52.779275][ T532] ? pids_css_alloc+0x4e/0x120 [ 52.784016][ T532] pids_css_alloc+0x4e/0x120 [ 52.788682][ T532] cgroup_apply_control_enable+0x44e/0xfc0 [ 52.794480][ T532] cgroup_apply_control+0x36/0x710 [ 52.799586][ T532] ? init_wait_entry+0xe0/0xe0 [ 52.804416][ T532] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.809689][ T532] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.815645][ T532] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.821905][ T532] cgroup_file_write+0x22f/0x4f0 [ 52.826883][ T532] kernfs_fop_write_iter+0x2cd/0x410 [ 52.832421][ T532] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.837703][ T532] vfs_write+0xb57/0xe50 [ 52.842007][ T532] ksys_write+0x157/0x260 [ 52.846333][ T532] __x64_sys_write+0x7b/0x90 [ 52.850896][ T532] do_syscall_64+0x34/0x70 [ 52.855293][ T532] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.861165][ T532] RIP: 0033:0x7f81211b20e9 [ 52.865561][ T532] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.885666][ T532] RSP: 002b:00007f8121107168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.894587][ T532] RAX: ffffffffffffffda RBX: 00007f81212c5030 RCX: 00007f81211b20e9 [ 52.902617][ T532] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.910658][ T532] RBP: 00007f81211071d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.919122][ T532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.927080][ T532] R13: 00007ffeb97efecf R14: 00007f8121107300 R15: 0000000000022000 [ 52.970673][ C1] !!! css_killed_ref_fn css ffff88810f7b5400 !!! [ 52.977041][ C1] !!! css_killed_ref_fn css ffff88810f7b7400 !!! [ 52.984324][ T464] !!! css_release css ffff88810f7b5400 !!! [ 52.990931][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810f7b5400 !!! [ 52.998839][ T18] !!! css_release css ffff88810f7b7400 !!! [ 53.005194][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810f7b7400 !!! [ 53.012779][ T581] !!! css_create !!! [ 53.016688][ T581] !!! css_create !!! [ 53.020582][ T581] !!! css_create !!! [ 53.024780][ T581] FAULT_INJECTION: forcing a failure. [ 53.024780][ T581] name failslab, interval 1, probability 0, space 0, times 0 [ 53.037469][ T581] CPU: 1 PID: 581 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 53.048979][ T581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.059105][ T581] Call Trace: [ 53.062379][ T581] dump_stack+0x19c/0x1e2 [ 53.066681][ T581] should_fail+0x3f7/0x5b0 [ 53.071070][ T581] __should_failslab+0xd2/0x130 [ 53.075899][ T581] should_failslab+0x9/0x20 [ 53.080404][ T581] slab_pre_alloc_hook+0x25/0xe0 [ 53.085350][ T581] ? __kernfs_new_node+0x4c/0x6d0 [ 53.090388][ T581] __kmalloc_track_caller+0x70/0x300 [ 53.095668][ T581] ? __kernfs_new_node+0x4c/0x6d0 [ 53.100863][ T581] kstrdup_const+0x55/0x90 [ 53.105255][ T581] __kernfs_new_node+0x4c/0x6d0 [ 53.110079][ T581] ? string+0x29f/0x2b0 [ 53.114205][ T581] ? vsnprintf+0x1a6c/0x1b30 [ 53.118786][ T581] kernfs_new_node+0x97/0x170 [ 53.123459][ T581] __kernfs_create_file+0x4a/0x270 [ 53.128575][ T581] cgroup_addrm_files+0x99e/0xeb0 [ 53.133599][ T581] ? delete_node+0x747/0x7a0 [ 53.138182][ T581] css_populate_dir+0x137/0x370 [ 53.143196][ T581] cgroup_apply_control_enable+0x31e/0xfc0 [ 53.149250][ T581] cgroup_apply_control+0x36/0x710 [ 53.154346][ T581] ? init_wait_entry+0xe0/0xe0 [ 53.159086][ T581] ? cgroup_kn_lock_live+0x1af/0x370 [ 53.164434][ T581] cgroup_subtree_control_write+0xd05/0x12d0 [ 53.170488][ T581] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 53.176539][ T581] cgroup_file_write+0x22f/0x4f0 [ 53.181455][ T581] kernfs_fop_write_iter+0x2cd/0x410 [ 53.186739][ T581] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.191826][ T581] vfs_write+0xb57/0xe50 [ 53.196052][ T581] ksys_write+0x157/0x260 [ 53.200358][ T581] __x64_sys_write+0x7b/0x90 [ 53.204925][ T581] do_syscall_64+0x34/0x70 [ 53.209331][ T581] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.215225][ T581] RIP: 0033:0x7fe21c94c0e9 [ 53.219720][ T581] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.239305][ T581] RSP: 002b:00007fe21c8a1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.247779][ T581] RAX: ffffffffffffffda RBX: 00007fe21ca5f030 RCX: 00007fe21c94c0e9 [ 53.255725][ T581] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.263669][ T581] RBP: 00007fe21c8a11d0 R08: 0000000000000000 R09: 0000000000000000 2022/05/27 22:41:07 executed programs: 45 [ 53.271641][ T581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.279593][ T581] R13: 00007ffc9e38a35f R14: 00007fe21c8a1300 R15: 0000000000022000 [ 53.288026][ T581] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 53.330682][ C0] !!! css_killed_ref_fn css ffff88810fc9c800 !!! [ 53.337028][ C0] !!! css_killed_ref_fn css ffff88810da7d000 !!! [ 53.343344][ C0] !!! css_killed_ref_fn css ffff88810fc9b800 !!! [ 53.349695][ T5] !!! css_release css ffff88810fc9c800 !!! [ 53.355507][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fc9c800 !!! [ 53.363460][ T5] !!! css_release css ffff88810da7d000 !!! [ 53.369262][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810da7d000 !!! [ 53.376870][ T5] !!! css_release css ffff88810fc9b800 !!! [ 53.382757][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fc9b800 !!! [ 53.390262][ T582] !!! css_create !!! [ 53.394290][ T582] !!! css_create !!! [ 53.398337][ T582] !!! css_create !!! [ 53.402335][ T582] FAULT_INJECTION: forcing a failure. [ 53.402335][ T582] name failslab, interval 1, probability 0, space 0, times 0 [ 53.415318][ T582] CPU: 1 PID: 582 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 53.426826][ T582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.436873][ T582] Call Trace: [ 53.440146][ T582] dump_stack+0x19c/0x1e2 [ 53.444453][ T582] should_fail+0x3f7/0x5b0 [ 53.448838][ T582] __should_failslab+0xd2/0x130 [ 53.453674][ T582] should_failslab+0x9/0x20 [ 53.458149][ T582] slab_pre_alloc_hook+0x25/0xe0 [ 53.463056][ T582] ? __kernfs_new_node+0x4c/0x6d0 [ 53.468082][ T582] __kmalloc_track_caller+0x70/0x300 [ 53.473339][ T582] ? __kernfs_new_node+0x4c/0x6d0 [ 53.478331][ T582] kstrdup_const+0x55/0x90 [ 53.482747][ T582] __kernfs_new_node+0x4c/0x6d0 [ 53.487565][ T582] ? string+0x29f/0x2b0 [ 53.491698][ T582] ? vsnprintf+0x1a6c/0x1b30 [ 53.496258][ T582] kernfs_new_node+0x97/0x170 [ 53.500914][ T582] __kernfs_create_file+0x4a/0x270 [ 53.505996][ T582] cgroup_addrm_files+0x99e/0xeb0 [ 53.510991][ T582] ? delete_node+0x747/0x7a0 [ 53.515557][ T582] css_populate_dir+0x137/0x370 [ 53.520383][ T582] cgroup_apply_control_enable+0x31e/0xfc0 [ 53.526260][ T582] cgroup_apply_control+0x36/0x710 [ 53.531426][ T582] ? init_wait_entry+0xe0/0xe0 [ 53.536158][ T582] ? cgroup_kn_lock_live+0x1af/0x370 [ 53.541413][ T582] cgroup_subtree_control_write+0xd05/0x12d0 [ 53.547450][ T582] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 53.553400][ T582] cgroup_file_write+0x22f/0x4f0 [ 53.558307][ T582] kernfs_fop_write_iter+0x2cd/0x410 [ 53.563560][ T582] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.568725][ T582] vfs_write+0xb57/0xe50 [ 53.572939][ T582] ksys_write+0x157/0x260 [ 53.577511][ T582] __x64_sys_write+0x7b/0x90 [ 53.582073][ T582] do_syscall_64+0x34/0x70 [ 53.586566][ T582] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.592433][ T582] RIP: 0033:0x7f3778d720e9 [ 53.596865][ 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 [ 53.616726][ T582] RSP: 002b:00007f3778cc7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.625136][ T582] RAX: ffffffffffffffda RBX: 00007f3778e85030 RCX: 00007f3778d720e9 [ 53.633095][ T582] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.641039][ T582] RBP: 00007f3778cc71d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.648983][ T582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.656925][ T582] R13: 00007fffc1ff130f R14: 00007f3778cc7300 R15: 0000000000022000 [ 53.666828][ T582] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 53.690659][ C0] !!! css_killed_ref_fn css ffff88810f88a400 !!! [ 53.697021][ C0] !!! css_killed_ref_fn css ffff88810f888c00 !!! [ 53.703334][ C0] !!! css_killed_ref_fn css ffff88810f888800 !!! [ 53.709810][ T5] !!! css_release css ffff88810f88a400 !!! [ 53.715635][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810f88a400 !!! [ 53.723175][ T5] !!! css_release css ffff88810f888c00 !!! [ 53.728958][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810f888c00 !!! [ 53.736636][ T5] !!! css_release css ffff88810f888800 !!! [ 53.742453][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810f888800 !!! [ 53.749967][ T588] !!! css_create !!! [ 53.753980][ T588] !!! css_create !!! [ 53.757979][ T588] !!! css_create !!! [ 53.761981][ T588] FAULT_INJECTION: forcing a failure. [ 53.761981][ T588] name failslab, interval 1, probability 0, space 0, times 0 [ 53.774651][ T588] CPU: 0 PID: 588 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 53.786526][ T588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.797860][ T588] Call Trace: [ 53.801122][ T588] dump_stack+0x19c/0x1e2 [ 53.805428][ T588] should_fail+0x3f7/0x5b0 [ 53.809816][ T588] __should_failslab+0xd2/0x130 [ 53.814638][ T588] should_failslab+0x9/0x20 [ 53.819114][ T588] slab_pre_alloc_hook+0x25/0xe0 [ 53.824021][ T588] ? __kernfs_new_node+0x4c/0x6d0 [ 53.829017][ T588] __kmalloc_track_caller+0x70/0x300 [ 53.834272][ T588] ? __kernfs_new_node+0x4c/0x6d0 [ 53.839265][ T588] kstrdup_const+0x55/0x90 [ 53.843658][ T588] __kernfs_new_node+0x4c/0x6d0 [ 53.848483][ T588] ? string+0x29f/0x2b0 [ 53.852609][ T588] ? vsnprintf+0x1a6c/0x1b30 [ 53.857181][ T588] kernfs_new_node+0x97/0x170 [ 53.861827][ T588] __kernfs_create_file+0x4a/0x270 [ 53.866916][ T588] cgroup_addrm_files+0x99e/0xeb0 [ 53.871913][ T588] ? delete_node+0x747/0x7a0 [ 53.876473][ T588] css_populate_dir+0x137/0x370 [ 53.881293][ T588] cgroup_apply_control_enable+0x31e/0xfc0 [ 53.887068][ T588] cgroup_apply_control+0x36/0x710 [ 53.892150][ T588] ? init_wait_entry+0xe0/0xe0 [ 53.896894][ T588] ? cgroup_kn_lock_live+0x1af/0x370 [ 53.902156][ T588] cgroup_subtree_control_write+0xd05/0x12d0 [ 53.908115][ T588] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 53.914175][ T588] cgroup_file_write+0x22f/0x4f0 [ 53.919087][ T588] kernfs_fop_write_iter+0x2cd/0x410 [ 53.924346][ T588] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.929456][ T588] vfs_write+0xb57/0xe50 [ 53.933772][ T588] ksys_write+0x157/0x260 [ 53.938086][ T588] __x64_sys_write+0x7b/0x90 [ 53.942653][ T588] do_syscall_64+0x34/0x70 [ 53.947302][ T588] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.953692][ T588] RIP: 0033:0x7fe21c94c0e9 [ 53.958136][ T588] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.978192][ T588] RSP: 002b:00007fe21c8a1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.986641][ T588] RAX: ffffffffffffffda RBX: 00007fe21ca5f030 RCX: 00007fe21c94c0e9 [ 53.995050][ T588] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.003441][ T588] RBP: 00007fe21c8a11d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.011424][ T588] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.019471][ T588] R13: 00007ffc9e38a35f R14: 00007fe21c8a1300 R15: 0000000000022000 [ 54.028693][ T588] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.060665][ C0] !!! css_killed_ref_fn css ffff88810fa20000 !!! [ 54.067028][ C0] !!! css_killed_ref_fn css ffff88810fa22c00 !!! [ 54.073386][ C0] !!! css_killed_ref_fn css ffff88810dc27400 !!! [ 54.079845][ T5] !!! css_release css ffff88810fa20000 !!! [ 54.085674][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fa20000 !!! [ 54.093542][ T5] !!! css_release css ffff88810fa22c00 !!! [ 54.099333][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fa22c00 !!! [ 54.107232][ T5] !!! css_release css ffff88810dc27400 !!! [ 54.113143][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810dc27400 !!! [ 54.120751][ T580] !!! css_create !!! [ 54.124895][ T580] !!! css_create !!! [ 54.128994][ T580] !!! css_create !!! [ 54.132996][ T580] FAULT_INJECTION: forcing a failure. [ 54.132996][ T580] name failslab, interval 1, probability 0, space 0, times 0 [ 54.145692][ T580] CPU: 0 PID: 580 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 54.157405][ T580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.167968][ T580] Call Trace: [ 54.171598][ T580] dump_stack+0x19c/0x1e2 [ 54.175916][ T580] should_fail+0x3f7/0x5b0 [ 54.180318][ T580] __should_failslab+0xd2/0x130 [ 54.185165][ T580] should_failslab+0x9/0x20 [ 54.189765][ T580] slab_pre_alloc_hook+0x25/0xe0 [ 54.194832][ T580] kmem_cache_alloc_trace+0x47/0x2b0 [ 54.200112][ T580] ? percpu_ref_init+0xd0/0x330 [ 54.205038][ T580] percpu_ref_init+0xd0/0x330 [ 54.209849][ T580] ? cgroup_setup_root+0x8a0/0x8a0 [ 54.215137][ T580] cgroup_apply_control_enable+0x49f/0xfc0 [ 54.220932][ T580] cgroup_apply_control+0x36/0x710 [ 54.226034][ T580] ? init_wait_entry+0xe0/0xe0 [ 54.230794][ T580] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.236255][ T580] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.242571][ T580] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.248885][ T580] cgroup_file_write+0x22f/0x4f0 [ 54.254339][ T580] kernfs_fop_write_iter+0x2cd/0x410 [ 54.260010][ T580] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.265705][ T580] vfs_write+0xb57/0xe50 [ 54.269940][ T580] ksys_write+0x157/0x260 [ 54.274336][ T580] __x64_sys_write+0x7b/0x90 [ 54.278907][ T580] do_syscall_64+0x34/0x70 [ 54.283309][ T580] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.289191][ T580] RIP: 0033:0x7f1ee90e00e9 [ 54.293604][ T580] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.313538][ T580] RSP: 002b:00007f1ee9035168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.322110][ T580] RAX: ffffffffffffffda RBX: 00007f1ee91f3030 RCX: 00007f1ee90e00e9 [ 54.330284][ T580] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.338701][ T580] RBP: 00007f1ee90351d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.346655][ T580] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.354619][ T580] R13: 00007ffe9f2d01af R14: 00007f1ee9035300 R15: 0000000000022000 [ 54.390759][ C0] !!! css_killed_ref_fn css ffff88810fe53400 !!! [ 54.397836][ C0] !!! css_killed_ref_fn css ffff88810fe50400 !!! [ 54.404221][ T5] !!! css_release css ffff88810fe53400 !!! [ 54.410016][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fe53400 !!! [ 54.417719][ T5] !!! css_release css ffff88810fe50400 !!! [ 54.423532][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fe50400 !!! [ 54.431011][ T585] !!! css_create !!! [ 54.434995][ T585] !!! css_create !!! [ 54.438944][ T585] !!! css_create !!! [ 54.442919][ T585] FAULT_INJECTION: forcing a failure. [ 54.442919][ T585] name failslab, interval 1, probability 0, space 0, times 0 [ 54.455512][ T585] CPU: 0 PID: 585 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 54.467032][ T585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.477257][ T585] Call Trace: [ 54.480521][ T585] dump_stack+0x19c/0x1e2 [ 54.484819][ T585] should_fail+0x3f7/0x5b0 [ 54.489211][ T585] __should_failslab+0xd2/0x130 [ 54.494217][ T585] should_failslab+0x9/0x20 [ 54.498688][ T585] slab_pre_alloc_hook+0x25/0xe0 [ 54.503595][ T585] kmem_cache_alloc_trace+0x47/0x2b0 [ 54.508851][ T585] ? percpu_ref_init+0xd0/0x330 [ 54.513672][ T585] percpu_ref_init+0xd0/0x330 [ 54.518414][ T585] ? cgroup_setup_root+0x8a0/0x8a0 [ 54.523504][ T585] cgroup_apply_control_enable+0x49f/0xfc0 [ 54.529281][ T585] cgroup_apply_control+0x36/0x710 [ 54.534360][ T585] ? init_wait_entry+0xe0/0xe0 [ 54.539115][ T585] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.544375][ T585] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.550330][ T585] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.556286][ T585] cgroup_file_write+0x22f/0x4f0 [ 54.561203][ T585] kernfs_fop_write_iter+0x2cd/0x410 [ 54.566455][ T585] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.571628][ T585] vfs_write+0xb57/0xe50 [ 54.575853][ T585] ksys_write+0x157/0x260 [ 54.580239][ T585] __x64_sys_write+0x7b/0x90 [ 54.584894][ T585] do_syscall_64+0x34/0x70 [ 54.589280][ T585] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.595149][ T585] RIP: 0033:0x7f8883ff40e9 [ 54.599538][ T585] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.619375][ T585] RSP: 002b:00007f8883f49168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.627756][ T585] RAX: ffffffffffffffda RBX: 00007f8884107030 RCX: 00007f8883ff40e9 [ 54.635786][ T585] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.643741][ T585] RBP: 00007f8883f491d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.651697][ T585] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.659737][ T585] R13: 00007ffc3f0e351f R14: 00007f8883f49300 R15: 0000000000022000 [ 54.690692][ C0] !!! css_killed_ref_fn css ffff88810fc36800 !!! [ 54.697066][ C0] !!! css_killed_ref_fn css ffff88810ff2a400 !!! [ 54.704411][ T5] !!! css_release css ffff88810fc36800 !!! [ 54.710373][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fc36800 !!! [ 54.717843][ T5] !!! css_release css ffff88810ff2a400 !!! [ 54.723739][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810ff2a400 !!! [ 54.731486][ T583] !!! css_create !!! [ 54.735495][ T583] !!! css_create !!! [ 54.739492][ T583] !!! css_create !!! [ 54.743725][ T583] FAULT_INJECTION: forcing a failure. [ 54.743725][ T583] name failslab, interval 1, probability 0, space 0, times 0 [ 54.758487][ T583] CPU: 0 PID: 583 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 54.770014][ T583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.780051][ T583] Call Trace: [ 54.783318][ T583] dump_stack+0x19c/0x1e2 [ 54.787622][ T583] should_fail+0x3f7/0x5b0 [ 54.792009][ T583] __should_failslab+0xd2/0x130 [ 54.797228][ T583] should_failslab+0x9/0x20 [ 54.801704][ T583] slab_pre_alloc_hook+0x25/0xe0 [ 54.806793][ T583] ? __kernfs_new_node+0x4c/0x6d0 [ 54.811790][ T583] __kmalloc_track_caller+0x70/0x300 [ 54.817059][ T583] ? __kernfs_new_node+0x4c/0x6d0 [ 54.822096][ T583] kstrdup_const+0x55/0x90 [ 54.826498][ T583] __kernfs_new_node+0x4c/0x6d0 [ 54.831867][ T583] ? string+0x29f/0x2b0 [ 54.836001][ T583] ? vsnprintf+0x1a6c/0x1b30 [ 54.840573][ T583] kernfs_new_node+0x97/0x170 [ 54.845234][ T583] __kernfs_create_file+0x4a/0x270 [ 54.850317][ T583] cgroup_addrm_files+0x99e/0xeb0 [ 54.855323][ T583] ? delete_node+0x747/0x7a0 [ 54.859888][ T583] css_populate_dir+0x137/0x370 [ 54.864718][ T583] cgroup_apply_control_enable+0x31e/0xfc0 [ 54.870682][ T583] cgroup_apply_control+0x36/0x710 [ 54.875772][ T583] ? init_wait_entry+0xe0/0xe0 [ 54.880527][ T583] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.885801][ T583] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.891756][ T583] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.897711][ T583] cgroup_file_write+0x22f/0x4f0 [ 54.902624][ T583] kernfs_fop_write_iter+0x2cd/0x410 [ 54.907881][ T583] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.912962][ T583] vfs_write+0xb57/0xe50 [ 54.917270][ T583] ksys_write+0x157/0x260 [ 54.921590][ T583] __x64_sys_write+0x7b/0x90 [ 54.926157][ T583] do_syscall_64+0x34/0x70 [ 54.930650][ T583] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.936524][ T583] RIP: 0033:0x7fc33a37c0e9 [ 54.940916][ T583] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.960505][ T583] RSP: 002b:00007fc33a2d1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.968990][ T583] RAX: ffffffffffffffda RBX: 00007fc33a48f030 RCX: 00007fc33a37c0e9 [ 54.977036][ T583] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.985075][ T583] RBP: 00007fc33a2d11d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.993032][ T583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.000990][ T583] R13: 00007ffdd960126f R14: 00007fc33a2d1300 R15: 0000000000022000 [ 55.009405][ T583] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.030676][ C0] !!! css_killed_ref_fn css ffff88810fe55000 !!! [ 55.037029][ C0] !!! css_killed_ref_fn css ffff88810fe54800 !!! [ 55.043449][ C0] !!! css_killed_ref_fn css ffff88810fe56000 !!! [ 55.049820][ T107] !!! css_release css ffff88810fe55000 !!! [ 55.055625][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810fe55000 !!! [ 55.063142][ T107] !!! css_release css ffff88810fe54800 !!! [ 55.068930][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810fe54800 !!! [ 55.076632][ T107] !!! css_release css ffff88810fe56000 !!! [ 55.082600][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810fe56000 !!! [ 55.091698][ T584] !!! css_create !!! [ 55.095700][ T584] !!! css_create !!! [ 55.099648][ T584] !!! css_create !!! [ 55.103973][ T584] FAULT_INJECTION: forcing a failure. [ 55.103973][ T584] name failslab, interval 1, probability 0, space 0, times 0 [ 55.116702][ T584] CPU: 0 PID: 584 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 55.128210][ T584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.138237][ T584] Call Trace: [ 55.141773][ T584] dump_stack+0x19c/0x1e2 [ 55.146080][ T584] should_fail+0x3f7/0x5b0 [ 55.150467][ T584] __should_failslab+0xd2/0x130 [ 55.155724][ T584] should_failslab+0x9/0x20 [ 55.160203][ T584] slab_pre_alloc_hook+0x25/0xe0 [ 55.165109][ T584] kmem_cache_alloc_trace+0x47/0x2b0 [ 55.170381][ T584] ? percpu_ref_init+0xd0/0x330 [ 55.175210][ T584] percpu_ref_init+0xd0/0x330 [ 55.179860][ T584] ? cgroup_setup_root+0x8a0/0x8a0 [ 55.184949][ T584] cgroup_apply_control_enable+0x49f/0xfc0 [ 55.190738][ T584] cgroup_apply_control+0x36/0x710 [ 55.195843][ T584] ? init_wait_entry+0xe0/0xe0 [ 55.200577][ T584] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.205840][ T584] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.211792][ T584] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.217749][ T584] cgroup_file_write+0x22f/0x4f0 [ 55.222656][ T584] kernfs_fop_write_iter+0x2cd/0x410 [ 55.227911][ T584] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.232990][ T584] vfs_write+0xb57/0xe50 [ 55.237203][ T584] ksys_write+0x157/0x260 [ 55.241515][ T584] __x64_sys_write+0x7b/0x90 [ 55.246089][ T584] do_syscall_64+0x34/0x70 [ 55.250477][ T584] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.256337][ T584] RIP: 0033:0x7f81211b20e9 [ 55.260724][ T584] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.280299][ T584] RSP: 002b:00007f8121107168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.288679][ T584] RAX: ffffffffffffffda RBX: 00007f81212c5030 RCX: 00007f81211b20e9 [ 55.296627][ T584] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.304964][ T584] RBP: 00007f81211071d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.313024][ T584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.320979][ T584] R13: 00007ffeb97efecf R14: 00007f8121107300 R15: 0000000000022000 [ 55.370673][ C1] !!! css_killed_ref_fn css ffff88810fe65c00 !!! [ 55.377055][ C1] !!! css_killed_ref_fn css ffff88810fe66400 !!! [ 55.383468][ T464] !!! css_release css ffff88810fe65c00 !!! [ 55.389354][ T464] !!! css_put is zero set CSS_NO_REF css ffff88810fe65c00 !!! [ 55.397002][ T18] !!! css_release css ffff88810fe66400 !!! [ 55.402836][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810fe66400 !!! [ 55.410385][ T594] !!! css_create !!! [ 55.414353][ T594] !!! css_create !!! [ 55.418253][ T594] !!! css_create !!! [ 55.422184][ T594] FAULT_INJECTION: forcing a failure. [ 55.422184][ T594] name failslab, interval 1, probability 0, space 0, times 0 [ 55.434856][ T594] CPU: 1 PID: 594 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 55.446627][ T594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.457192][ T594] Call Trace: [ 55.460555][ T594] dump_stack+0x19c/0x1e2 [ 55.464857][ T594] should_fail+0x3f7/0x5b0 [ 55.469247][ T594] __should_failslab+0xd2/0x130 [ 55.474070][ T594] should_failslab+0x9/0x20 [ 55.478542][ T594] slab_pre_alloc_hook+0x25/0xe0 [ 55.483448][ T594] ? __kernfs_new_node+0x4c/0x6d0 [ 55.488441][ T594] __kmalloc_track_caller+0x70/0x300 [ 55.493694][ T594] ? __kernfs_new_node+0x4c/0x6d0 [ 55.498685][ T594] kstrdup_const+0x55/0x90 [ 55.503073][ T594] __kernfs_new_node+0x4c/0x6d0 [ 55.507895][ T594] ? string+0x29f/0x2b0 [ 55.512027][ T594] ? vsnprintf+0x1a6c/0x1b30 [ 55.516596][ T594] kernfs_new_node+0x97/0x170 [ 55.521242][ T594] __kernfs_create_file+0x4a/0x270 [ 55.526324][ T594] cgroup_addrm_files+0x99e/0xeb0 [ 55.531326][ T594] ? delete_node+0x747/0x7a0 [ 55.535888][ T594] css_populate_dir+0x137/0x370 [ 55.540708][ T594] cgroup_apply_control_enable+0x31e/0xfc0 [ 55.546484][ T594] cgroup_apply_control+0x36/0x710 [ 55.551565][ T594] ? init_wait_entry+0xe0/0xe0 [ 55.556303][ T594] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.561560][ T594] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.567521][ T594] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.573474][ T594] cgroup_file_write+0x22f/0x4f0 [ 55.578390][ T594] kernfs_fop_write_iter+0x2cd/0x410 [ 55.583642][ T594] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.588729][ T594] vfs_write+0xb57/0xe50 [ 55.592949][ T594] ksys_write+0x157/0x260 [ 55.597250][ T594] __x64_sys_write+0x7b/0x90 [ 55.601816][ T594] do_syscall_64+0x34/0x70 [ 55.606209][ T594] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.612070][ T594] RIP: 0033:0x7fe21c94c0e9 [ 55.616456][ T594] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.636033][ T594] RSP: 002b:00007fe21c8a1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.644426][ T594] RAX: ffffffffffffffda RBX: 00007fe21ca5f030 RCX: 00007fe21c94c0e9 [ 55.652378][ T594] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.660328][ T594] RBP: 00007fe21c8a11d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.668276][ T594] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.676219][ T594] R13: 00007ffc9e38a35f R14: 00007fe21c8a1300 R15: 0000000000022000 [ 55.686020][ T594] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.730687][ C1] !!! css_killed_ref_fn css ffff88810dd82000 !!! [ 55.737045][ C1] !!! css_killed_ref_fn css ffff88810dd81800 !!! [ 55.743374][ C1] !!! css_killed_ref_fn css ffff88810dd83c00 !!! [ 55.749752][ T18] !!! css_release css ffff88810dd82000 !!! [ 55.755649][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810dd82000 !!! [ 55.763169][ T18] !!! css_release css ffff88810dd81800 !!! [ 55.768954][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810dd81800 !!! [ 55.776802][ T597] !!! css_create !!! [ 55.780824][ T597] !!! css_create !!! [ 55.784730][ T597] !!! css_create !!! [ 55.788609][ T597] FAULT_INJECTION: forcing a failure. [ 55.788609][ T597] name failslab, interval 1, probability 0, space 0, times 0 [ 55.801336][ T597] CPU: 1 PID: 597 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 55.812841][ T597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.822879][ T597] Call Trace: [ 55.826141][ T597] dump_stack+0x19c/0x1e2 [ 55.830456][ T597] should_fail+0x3f7/0x5b0 [ 55.834853][ T597] __should_failslab+0xd2/0x130 [ 55.839676][ T597] should_failslab+0x9/0x20 [ 55.844163][ T597] slab_pre_alloc_hook+0x25/0xe0 [ 55.849074][ T597] ? __kernfs_new_node+0x4c/0x6d0 [ 55.854101][ T597] __kmalloc_track_caller+0x70/0x300 [ 55.859368][ T597] ? __kernfs_new_node+0x4c/0x6d0 [ 55.864370][ T597] kstrdup_const+0x55/0x90 [ 55.868756][ T597] __kernfs_new_node+0x4c/0x6d0 [ 55.873581][ T597] ? string+0x29f/0x2b0 [ 55.877720][ T597] ? vsnprintf+0x1a6c/0x1b30 [ 55.882284][ T597] kernfs_new_node+0x97/0x170 [ 55.886937][ T597] __kernfs_create_file+0x4a/0x270 [ 55.892047][ T597] cgroup_addrm_files+0x99e/0xeb0 [ 55.897136][ T597] ? delete_node+0x747/0x7a0 [ 55.901704][ T597] css_populate_dir+0x137/0x370 [ 55.906702][ T597] cgroup_apply_control_enable+0x31e/0xfc0 [ 55.912482][ T597] cgroup_apply_control+0x36/0x710 [ 55.917568][ T597] ? init_wait_entry+0xe0/0xe0 [ 55.922321][ T597] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.927614][ T597] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.933564][ T597] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.939860][ T597] cgroup_file_write+0x22f/0x4f0 [ 55.944863][ T597] kernfs_fop_write_iter+0x2cd/0x410 [ 55.950557][ T597] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.955754][ T597] vfs_write+0xb57/0xe50 [ 55.959976][ T597] ksys_write+0x157/0x260 [ 55.964275][ T597] __x64_sys_write+0x7b/0x90 [ 55.968835][ T597] do_syscall_64+0x34/0x70 [ 55.973222][ T597] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.979256][ T597] RIP: 0033:0x7f1ee90e00e9 [ 55.983656][ T597] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.003237][ T597] RSP: 002b:00007f1ee9035168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.011626][ T597] RAX: ffffffffffffffda RBX: 00007f1ee91f3030 RCX: 00007f1ee90e00e9 [ 56.019657][ T597] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.027608][ T597] RBP: 00007f1ee90351d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.035555][ T597] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.043510][ T597] R13: 00007ffe9f2d01af R14: 00007f1ee9035300 R15: 0000000000022000 [ 56.051783][ T597] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 56.060791][ T424] ------------[ cut here ]------------ [ 56.066340][ T424] WARNING: CPU: 1 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 56.075301][ T424] Modules linked in: [ 56.079185][ T424] CPU: 1 PID: 424 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 56.090731][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.100847][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 56.106553][ T424] Code: 48 c7 c2 00 df c4 85 e8 62 e2 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 f3 70 a7 ff e9 28 fd ff ff [ 56.126150][ T424] RSP: 0018:ffffc90000d07dd0 EFLAGS: 00010293 [ 56.132255][ T424] RAX: ffffffff81af02dc RBX: ffff88810c97e560 RCX: ffff8881025dadc0 [ 56.140469][ T424] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 56.148705][ T424] RBP: ffffc90000d07e40 R08: ffffffff81af0007 R09: fffff520001a0fb2 [ 56.156779][ T424] R10: fffff520001a0fb2 R11: 1ffff920001a0fb1 R12: dffffc0000000000 [ 56.164768][ T424] R13: ffff88810c97e480 R14: 00000000ffffffff R15: 0000000000000000 [ 56.172749][ T424] FS: 000055555638b400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 56.181770][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.188339][ T424] CR2: 00007ffe9f2cebc8 CR3: 000000011acdc000 CR4: 00000000003506a0 [ 56.196606][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.204723][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.212699][ T424] Call Trace: [ 56.216019][ T424] path_umount+0x1ad/0xed0 [ 56.220410][ T424] __x64_sys_umount+0xe8/0x110 [ 56.225215][ T424] do_syscall_64+0x34/0x70 [ 56.229620][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.235510][ T424] RIP: 0033:0x7f1ee90e1557 [ 56.239914][ T424] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.259542][ T424] RSP: 002b:00007ffe9f2cf308 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 56.267961][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ee90e1557 [ 56.276020][ T424] RDX: 00007ffe9f2cf3d9 RSI: 000000000000000a RDI: 00007ffe9f2cf3d0 [ 56.284250][ T424] RBP: 00007ffe9f2cf3d0 R08: 00000000ffffffff R09: 00007ffe9f2cf1a0 [ 56.292295][ T424] R10: 000055555638cba3 R11: 0000000000000246 R12: 00007f1ee91391f8 [ 56.300537][ T424] R13: 00007ffe9f2d0490 R14: 000055555638cb00 R15: 00007ffe9f2d04d0 [ 56.309035][ T424] ---[ end trace 058fb55291bd45c2 ]--- [ 56.330669][ C0] !!! css_killed_ref_fn css ffff88811024d400 !!! [ 56.337060][ C0] !!! css_killed_ref_fn css ffff88811024e400 !!! [ 56.343611][ C0] !!! css_killed_ref_fn css ffff88811024dc00 !!! [ 56.349948][ C0] !!! css_release css ffff88811024dc00 !!! [ 56.356225][ C0] list_add corruption. prev->next should be next (ffff8881f705b460), but was ffff88811024dc70. (prev=ffff88811024dc70). [ 56.368826][ C0] ------------[ cut here ]------------ [ 56.374538][ C0] kernel BUG at lib/list_debug.c:28! [ 56.379804][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 56.385853][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 56.397098][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.407228][ C0] RIP: 0010:__list_add_valid+0xde/0xf0 [ 56.413009][ C0] Code: f1 31 c0 e8 f7 6a 1c 02 0f 0b 48 c7 c7 d0 42 d6 85 e8 b6 f2 19 00 48 c7 c7 80 02 03 85 4c 89 f6 4c 89 e1 31 c0 e8 d5 6a 1c 02 <0f> 0b 48 c7 c7 e0 42 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 56.433570][ C0] RSP: 0018:ffffc90000007bc0 EFLAGS: 00010046 [ 56.439610][ C0] RAX: 0000000000000075 RBX: ffff8881f705b468 RCX: a88943fa35d1d300 [ 56.447647][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 56.455589][ C0] RBP: ffffc90000007be8 R08: ffffffff81514568 R09: ffffed103ee0a590 [ 56.463880][ C0] R10: ffffed103ee0a590 R11: 1ffff1103ee0a58f R12: ffff88811024dc70 [ 56.471822][ C0] R13: dffffc0000000000 R14: ffff8881f705b460 R15: ffff88811024dc70 [ 56.479854][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 56.488755][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.495307][ C0] CR2: 00007f1ee9166e69 CR3: 000000011b025000 CR4: 00000000003506b0 [ 56.503251][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.511200][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.519141][ C0] Call Trace: [ 56.522400][ C0] [ 56.525229][ C0] insert_work+0xfc/0x330 [ 56.529534][ C0] __queue_work+0x99e/0xe20 [ 56.534014][ C0] queue_work_on+0xbe/0x110 [ 56.538503][ C0] css_release+0xc0/0xd0 [ 56.542722][ C0] percpu_ref_switch_to_atomic_rcu+0x5be/0x5e0 [ 56.548867][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 56.554992][ C0] rcu_do_batch+0x4ad/0xb00 [ 56.559477][ C0] rcu_core+0x64a/0xdf0 [ 56.564317][ C0] rcu_core_si+0x9/0x10 [ 56.568550][ C0] __do_softirq+0x253/0x67b [ 56.573037][ C0] asm_call_irq_on_stack+0xf/0x20 [ 56.578131][ C0] [ 56.581043][ C0] do_softirq_own_stack+0x60/0x80 [ 56.586051][ C0] __irq_exit_rcu+0x152/0x1e0 [ 56.590701][ C0] irq_exit_rcu+0x9/0x10 [ 56.594932][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 56.600537][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 56.606489][ C0] RIP: 0010:acpi_idle_do_entry+0xbb/0x1f0 [ 56.612192][ C0] Code: 89 de 48 83 e6 08 31 ff e8 62 51 0a fd 48 83 e3 08 0f 85 ae 00 00 00 e9 0c 00 00 00 e8 2e 4c 0a fd 0f 00 2d 77 33 ab 00 fb f4 e9 a1 00 00 00 49 83 c6 04 4c 89 f0 48 c1 e8 03 42 8a 04 38 84 [ 56.632181][ C0] RSP: 0018:ffffffff85a07ce8 EFLAGS: 00000246 [ 56.638227][ C0] RAX: 1ffffffff0b43630 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.646176][ C0] RDX: ffffffff85a1b180 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.654303][ C0] RBP: ffffffff85a07d00 R08: ffffffff845ec36e R09: fffffbfff0b43631 [ 56.662266][ C0] R10: fffffbfff0b43631 R11: 1ffffffff0b43630 R12: 0000000000000001 [ 56.670230][ C0] R13: ffff888100af1804 R14: ffff888101be3864 R15: dffffc0000000000 [ 56.678191][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 56.683289][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 56.688563][ C0] acpi_idle_enter+0x32d/0x4f0 [ 56.693310][ C0] ? rcu_dynticks_eqs_enter+0xa/0x40 [ 56.698572][ C0] cpuidle_enter_state+0x4c8/0x10d0 [ 56.703765][ C0] cpuidle_enter+0x5f/0xa0 [ 56.708160][ C0] do_idle+0x3a8/0x540 [ 56.712987][ C0] cpu_startup_entry+0x25/0x30 [ 56.717741][ C0] rest_init+0xe6/0xf0 [ 56.722014][ C0] ? time_init+0x38/0x38 [ 56.726319][ C0] arch_call_rest_init+0xe/0x10 [ 56.731154][ C0] start_kernel+0x473/0x50e [ 56.735638][ C0] x86_64_start_reservations+0x2a/0x2c [ 56.741074][ C0] x86_64_start_kernel+0x7a/0x7d [ 56.745984][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 56.751871][ C0] Modules linked in: [ 56.755858][ C0] ---[ end trace 058fb55291bd45c3 ]--- [ 56.761294][ C0] RIP: 0010:__list_add_valid+0xde/0xf0 [ 56.767250][ C0] Code: f1 31 c0 e8 f7 6a 1c 02 0f 0b 48 c7 c7 d0 42 d6 85 e8 b6 f2 19 00 48 c7 c7 80 02 03 85 4c 89 f6 4c 89 e1 31 c0 e8 d5 6a 1c 02 <0f> 0b 48 c7 c7 e0 42 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 56.787363][ C0] RSP: 0018:ffffc90000007bc0 EFLAGS: 00010046 [ 56.794028][ C0] RAX: 0000000000000075 RBX: ffff8881f705b468 RCX: a88943fa35d1d300 [ 56.802086][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 56.810028][ C0] RBP: ffffc90000007be8 R08: ffffffff81514568 R09: ffffed103ee0a590 [ 56.818147][ C0] R10: ffffed103ee0a590 R11: 1ffff1103ee0a58f R12: ffff88811024dc70 [ 56.826091][ C0] R13: dffffc0000000000 R14: ffff8881f705b460 R15: ffff88811024dc70 [ 56.834301][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 56.843643][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.850728][ C0] CR2: 00007f1ee9166e69 CR3: 000000011b025000 CR4: 00000000003506b0 [ 56.858671][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.866804][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.874839][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 58.001047][ C0] Shutting down cpus with NMI [ 58.006355][ C0] Kernel Offset: disabled [ 58.010688][ C0] Rebooting in 86400 seconds..