Warning: Permanently added '10.128.1.103' (ECDSA) to the list of known hosts. 2022/05/31 19:47:58 parsed 1 programs [ 37.467671][ T23] audit: type=1400 audit(1654026478.509:149): avc: denied { mounton } for pid=400 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 37.468027][ T400] cgroup: Unknown subsys name 'net' [ 37.496629][ T400] cgroup: Unknown subsys name 'devices' [ 37.503490][ T400] cgroup: Unknown subsys name 'hugetlb' [ 37.509165][ T400] cgroup: Unknown subsys name 'rlimit' 2022/05/31 19:47:58 executed programs: 0 [ 37.515471][ T23] audit: type=1400 audit(1654026478.559:150): avc: denied { mounton } for pid=400 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 37.588056][ T23] audit: type=1400 audit(1654026478.559:151): avc: denied { mount } for pid=400 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 37.630231][ T23] audit: type=1400 audit(1654026478.589:152): avc: denied { mounton } for pid=406 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 [ 37.635695][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.655390][ T23] audit: type=1400 audit(1654026478.589:153): avc: denied { module_request } for pid=406 comm="syz-executor.2" kmod="netdev-nr2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 37.662160][ T406] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.662540][ T406] device bridge_slave_0 entered promiscuous mode [ 37.705693][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.712976][ T406] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.720603][ T406] device bridge_slave_1 entered promiscuous mode [ 37.796838][ T415] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.804230][ T415] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.811821][ T415] device bridge_slave_0 entered promiscuous mode [ 37.819200][ T415] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.826538][ T415] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.834114][ T415] device bridge_slave_1 entered promiscuous mode [ 37.840650][ T412] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.847797][ T412] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.855067][ T412] device bridge_slave_0 entered promiscuous mode [ 37.862326][ T412] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.870166][ T412] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.877600][ T412] device bridge_slave_1 entered promiscuous mode [ 37.897578][ T408] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.904975][ T408] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.912389][ T408] device bridge_slave_0 entered promiscuous mode [ 37.936381][ T408] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.943558][ T408] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.950887][ T408] device bridge_slave_1 entered promiscuous mode [ 38.019671][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.027604][ T406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.035636][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.042675][ T406] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.066371][ T411] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.073813][ T411] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.081697][ T411] device bridge_slave_0 entered promiscuous mode [ 38.104779][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.112361][ T413] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.120237][ T413] device bridge_slave_0 entered promiscuous mode [ 38.127955][ T411] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.135769][ T411] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.143147][ T411] device bridge_slave_1 entered promiscuous mode [ 38.154201][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.161389][ T413] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.168979][ T413] device bridge_slave_1 entered promiscuous mode [ 38.175733][ T415] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.182918][ T415] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.190145][ T415] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.197179][ T415] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.210370][ T412] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.217459][ T412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.224800][ T412] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.232060][ T412] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.253190][ T408] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.260413][ T408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.267794][ T408] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.275081][ T408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.316337][ T19] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.324348][ T19] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.331680][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.339649][ T19] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.347150][ T19] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.354344][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.362668][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.370934][ T19] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.378286][ T19] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.402392][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.445839][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.454691][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.463393][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.470491][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.478341][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.486704][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.493790][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.501202][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.509459][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.517351][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.525633][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.532666][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.540041][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.548398][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.555440][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.587776][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.596060][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.604365][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.612422][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.620366][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.628646][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.635668][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.643246][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.651331][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.658543][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.665981][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.673425][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.680768][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.689135][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.696275][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.703725][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.711876][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.718914][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.743814][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.752589][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.777905][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.786584][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.796505][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.804650][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.812801][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.821106][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.829406][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.837220][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.845323][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.853527][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.861734][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.870123][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.878955][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.887462][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.895894][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.904361][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.912872][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.920926][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.932892][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.941490][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.962225][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.970407][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.978682][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.986423][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.994320][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.002482][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.010401][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.018852][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.027457][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.034494][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.042082][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.050559][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.058971][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.066174][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.076076][ T23] audit: type=1400 audit(1654026480.119:154): avc: denied { mount } for pid=415 comm="syz-executor.5" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 39.076167][ T415] !!! css_create !!! [ 39.109251][ T415] !!! css_create !!! [ 39.113722][ T415] !!! css_create !!! [ 39.118689][ T415] !!! css_create !!! [ 39.123176][ T415] !!! css_create !!! [ 39.128216][ T415] !!! css_create !!! [ 39.133174][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.133541][ T415] !!! css_create !!! [ 39.141761][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.146100][ T415] !!! css_create !!! [ 39.154294][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.166042][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.174437][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.182785][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.190885][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.199436][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.207634][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.215881][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.224190][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.232499][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.240684][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.249176][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.257140][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.285536][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.286119][ T436] !!! cgroup_apply_control_disable [ 39.298241][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.299019][ T23] audit: type=1400 audit(1654026480.329:155): avc: denied { mounton } for pid=434 comm="syz-executor.5" path="/root/syzkaller-testdir3463595019/syzkaller.pukrzd/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 39.308644][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.335919][ T436] !!! cgroup_apply_control_disable kill_css ffff88811bda5c00 [ 39.350294][ T436] !!! cgroup_apply_control_disable kill_css ffff88810bc01400 [ 39.350482][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.366066][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.375209][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.382013][ C1] !!! css_killed_ref_fn css ffff88811bda5c00 !!! [ 39.383483][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.389539][ C1] !!! css_killed_ref_fn css ffff88810bc01400 !!! [ 39.404195][ T376] !!! css_put is ALREADY zero css or dying ffff88811bda5c00 !!! [ 39.412220][ T24] !!! css_put is ALREADY zero css or dying ffff88810bc01400 !!! [ 39.421625][ T437] !!! css_create !!! [ 39.425849][ T437] !!! css_create !!! [ 39.430499][ T437] FAULT_INJECTION: forcing a failure. [ 39.430499][ T437] name failslab, interval 1, probability 0, space 0, times 1 [ 39.445054][ T437] CPU: 1 PID: 437 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 39.445803][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.455208][ T437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.455218][ T437] Call Trace: [ 39.455237][ T437] dump_stack+0x19c/0x1e2 [ 39.455256][ T437] should_fail+0x3f7/0x5b0 [ 39.464235][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.473481][ T437] __should_failslab+0xd2/0x130 [ 39.473490][ T437] should_failslab+0x9/0x20 [ 39.473499][ T437] slab_pre_alloc_hook+0x25/0xe0 [ 39.473517][ T437] kmem_cache_alloc_trace+0x47/0x2b0 [ 39.477401][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.481184][ T437] ? allocate_cgrp_cset_links+0xb3/0x270 [ 39.485969][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.493815][ T437] allocate_cgrp_cset_links+0xb3/0x270 [ 39.493824][ T437] find_css_set+0x9ea/0x1500 [ 39.493840][ T437] cgroup_migrate_prepare_dst+0xd1/0x950 [ 39.498863][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.503157][ T437] cgroup_apply_control+0x567/0x710 [ 39.503170][ T437] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.503186][ T437] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.508280][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.513445][ T437] cgroup_file_write+0x22f/0x4f0 [ 39.513455][ T437] kernfs_fop_write_iter+0x2cd/0x410 [ 39.513471][ T437] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.521380][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.527111][ T437] vfs_write+0xb57/0xe50 [ 39.527122][ T437] ksys_write+0x157/0x260 [ 39.527137][ T437] __x64_sys_write+0x7b/0x90 [ 39.535053][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.540465][ T437] do_syscall_64+0x34/0x70 [ 39.545342][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.550729][ T437] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.558777][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.563771][ T437] RIP: 0033:0x7f2442a680e9 [ 39.563781][ T437] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.563794][ T437] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 [ 39.569943][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.575783][ T437] ORIG_RAX: 0000000000000001 [ 39.575790][ T437] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 39.575796][ T437] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.575810][ T437] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.723340][ T437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.731486][ T437] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 39.741732][ T437] !!! cgroup_apply_control_disable [ 39.750922][ T437] !!! cgroup_apply_control_disable kill_css ffff88810c122c00 [ 39.754991][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.759074][ T437] !!! cgroup_apply_control_disable kill_css ffff88811ed50800 [ 39.767740][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.784905][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.793514][ T406] !!! css_create !!! [ 39.793830][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.797503][ T406] !!! css_create !!! [ 39.805802][ C1] !!! css_killed_ref_fn css ffff88810c122c00 !!! [ 39.805854][ C1] !!! css_killed_ref_fn css ffff88811ed50800 !!! [ 39.829351][ T376] !!! css_put is ALREADY zero css or dying ffff88810c122c00 !!! [ 39.837410][ T411] !!! css_create !!! [ 39.841588][ T411] !!! css_create !!! [ 39.846123][ T24] !!! css_put is ALREADY zero css or dying ffff88811ed50800 !!! [ 39.854227][ T411] !!! css_create !!! [ 39.858279][ T411] !!! css_create !!! [ 39.862708][ T413] !!! css_create !!! [ 39.866651][ T413] !!! css_create !!! [ 39.870689][ T439] !!! css_create !!! [ 39.874701][ T439] !!! css_create !!! [ 39.878626][ T439] !!! css_create !!! [ 39.882599][ T439] FAULT_INJECTION: forcing a failure. [ 39.882599][ T439] name failslab, interval 1, probability 0, space 0, times 0 [ 39.895540][ T439] CPU: 0 PID: 439 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 39.905872][ T439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.915994][ T439] Call Trace: [ 39.919260][ T439] dump_stack+0x19c/0x1e2 [ 39.923774][ T439] should_fail+0x3f7/0x5b0 [ 39.928276][ T439] __should_failslab+0xd2/0x130 [ 39.933113][ T439] ? __kernfs_new_node+0x97/0x6d0 [ 39.938379][ T439] should_failslab+0x9/0x20 [ 39.942873][ T439] slab_pre_alloc_hook+0x25/0xe0 [ 39.947792][ T439] ? __kernfs_new_node+0x97/0x6d0 [ 39.952789][ T439] kmem_cache_alloc+0x40/0x2a0 [ 39.957612][ T439] __kernfs_new_node+0x97/0x6d0 [ 39.962452][ T439] ? string+0x29f/0x2b0 [ 39.966594][ T439] ? vsnprintf+0x1a6c/0x1b30 [ 39.971159][ T439] kernfs_new_node+0x97/0x170 [ 39.975815][ T439] __kernfs_create_file+0x4a/0x270 [ 39.980930][ T439] cgroup_addrm_files+0x99e/0xeb0 [ 39.985929][ T439] ? delete_node+0x747/0x7a0 [ 39.990503][ T439] css_populate_dir+0x137/0x370 [ 39.995346][ T439] cgroup_apply_control_enable+0x31e/0xfc0 [ 40.001148][ T439] cgroup_apply_control+0x36/0x710 [ 40.006475][ T439] ? init_wait_entry+0xe0/0xe0 [ 40.011228][ T439] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.016491][ T439] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.022750][ T439] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.028883][ T439] cgroup_file_write+0x22f/0x4f0 [ 40.033808][ T439] kernfs_fop_write_iter+0x2cd/0x410 [ 40.039094][ T439] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.044203][ T439] vfs_write+0xb57/0xe50 [ 40.048516][ T439] ksys_write+0x157/0x260 [ 40.052913][ T439] __x64_sys_write+0x7b/0x90 [ 40.057478][ T439] do_syscall_64+0x34/0x70 [ 40.061881][ T439] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.068084][ T439] RIP: 0033:0x7f2442a680e9 [ 40.072577][ T439] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.092252][ T439] RSP: 002b:00007f24429de168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.100932][ T439] RAX: ffffffffffffffda RBX: 00007f2442b7af60 RCX: 00007f2442a680e9 [ 40.109121][ T439] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.117175][ T439] RBP: 00007f24429de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.125133][ T439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.133177][ T439] R13: 00007ffe51e31d5f R14: 00007f24429de300 R15: 0000000000022000 [ 40.143426][ T23] audit: type=1400 audit(1654026481.189:156): 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 [ 40.144098][ T439] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.168575][ T23] audit: type=1400 audit(1654026481.189:157): 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 [ 40.176478][ T439] !!! cgroup_apply_control_disable [ 40.196292][ T23] audit: type=1400 audit(1654026481.189:158): 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 [ 40.201457][ T439] !!! cgroup_apply_control_disable kill_css ffff88810c48f400 [ 40.231781][ T439] !!! cgroup_apply_control_disable kill_css ffff88810c48f000 [ 40.239393][ T439] !!! cgroup_apply_control_disable kill_css ffff88810c48fc00 [ 40.247320][ C1] !!! css_killed_ref_fn css ffff88810c48f400 !!! [ 40.251972][ C0] !!! css_killed_ref_fn css ffff88810c48f000 !!! [ 40.253962][ T411] !!! css_create !!! [ 40.264403][ T411] !!! css_create !!! [ 40.268368][ T411] !!! css_create !!! [ 40.272591][ T412] !!! css_create !!! [ 40.276592][ T412] !!! css_create !!! [ 40.278735][ C0] !!! css_killed_ref_fn css ffff88810c48fc00 !!! [ 40.280680][ T24] !!! css_put is ALREADY zero css or dying ffff88810c48f400 !!! [ 40.294687][ T74] !!! css_put is ALREADY zero css or dying ffff88810c48f000 !!! [ 40.303880][ T406] !!! css_create !!! [ 40.308207][ T406] !!! css_create !!! [ 40.313597][ T74] !!! css_put is ALREADY zero css or dying ffff88810c48fc00 !!! [ 40.321392][ T413] !!! css_create !!! [ 40.325823][ T413] !!! css_create !!! [ 40.329953][ T442] !!! css_create !!! [ 40.334176][ T442] !!! css_create !!! [ 40.338280][ T442] !!! css_create !!! [ 40.342389][ T442] FAULT_INJECTION: forcing a failure. [ 40.342389][ T442] name failslab, interval 1, probability 0, space 0, times 0 [ 40.355300][ T442] CPU: 1 PID: 442 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 40.365525][ T442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.375736][ T442] Call Trace: [ 40.379093][ T442] dump_stack+0x19c/0x1e2 [ 40.383425][ T442] should_fail+0x3f7/0x5b0 [ 40.387832][ T442] __should_failslab+0xd2/0x130 [ 40.392800][ T442] ? __kernfs_new_node+0x97/0x6d0 [ 40.397815][ T442] should_failslab+0x9/0x20 [ 40.402309][ T442] slab_pre_alloc_hook+0x25/0xe0 [ 40.407583][ T442] ? __kernfs_new_node+0x97/0x6d0 [ 40.412770][ T442] kmem_cache_alloc+0x40/0x2a0 [ 40.417725][ T442] __kernfs_new_node+0x97/0x6d0 [ 40.422776][ T442] ? string+0x29f/0x2b0 [ 40.427178][ T442] ? vsnprintf+0x1a6c/0x1b30 [ 40.431771][ T442] kernfs_new_node+0x97/0x170 [ 40.436447][ T442] __kernfs_create_file+0x4a/0x270 [ 40.441545][ T442] cgroup_addrm_files+0x99e/0xeb0 [ 40.446723][ T442] ? delete_node+0x747/0x7a0 [ 40.451381][ T442] css_populate_dir+0x137/0x370 [ 40.456391][ T442] cgroup_apply_control_enable+0x31e/0xfc0 [ 40.462191][ T442] cgroup_apply_control+0x36/0x710 [ 40.467290][ T442] ? init_wait_entry+0xe0/0xe0 [ 40.472118][ T442] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.477394][ T442] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.483357][ T442] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.489402][ T442] cgroup_file_write+0x22f/0x4f0 [ 40.494335][ T442] kernfs_fop_write_iter+0x2cd/0x410 [ 40.499611][ T442] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.504717][ T442] vfs_write+0xb57/0xe50 [ 40.508962][ T442] ksys_write+0x157/0x260 [ 40.513283][ T442] __x64_sys_write+0x7b/0x90 [ 40.518034][ T442] do_syscall_64+0x34/0x70 [ 40.522425][ T442] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.528289][ T442] RIP: 0033:0x7f37291a60e9 [ 40.532682][ T442] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.552736][ T442] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.561436][ T442] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 40.569409][ T442] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.577734][ T442] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.585872][ T442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.594080][ T442] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 40.604275][ T442] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.611529][ T442] !!! cgroup_apply_control_disable [ 40.616769][ T442] !!! cgroup_apply_control_disable kill_css ffff88810c921000 [ 40.624799][ T442] !!! cgroup_apply_control_disable kill_css ffff88810c920000 [ 40.632612][ T442] !!! cgroup_apply_control_disable kill_css ffff88810c920c00 [ 40.640424][ T406] !!! css_create !!! [ 40.644991][ T406] !!! css_create !!! [ 40.649260][ T406] !!! css_create !!! [ 40.653780][ T412] !!! css_create !!! [ 40.654540][ C1] !!! css_killed_ref_fn css ffff88810c921000 !!! [ 40.657942][ T412] !!! css_create !!! [ 40.668725][ T413] !!! css_create !!! [ 40.672746][ C1] !!! css_killed_ref_fn css ffff88810c920000 !!! [ 40.672764][ C1] !!! css_killed_ref_fn css ffff88810c920c00 !!! [ 40.685991][ T413] !!! css_create !!! [ 40.690088][ T413] !!! css_create !!! [ 40.694183][ T24] !!! css_put is ALREADY zero css or dying ffff88810c921000 !!! [ 40.701913][ T24] !!! css_put is ALREADY zero css or dying ffff88810c920000 !!! [ 40.712325][ T412] !!! css_create !!! [ 40.717961][ T412] !!! css_create !!! [ 40.722360][ T412] !!! css_create !!! [ 40.726455][ T24] !!! css_put is ALREADY zero css or dying ffff88810c920c00 !!! [ 40.734677][ T447] !!! css_create !!! [ 40.738839][ T447] !!! css_create !!! [ 40.742977][ T447] !!! css_create !!! [ 40.747046][ T447] FAULT_INJECTION: forcing a failure. [ 40.747046][ T447] name failslab, interval 1, probability 0, space 0, times 0 [ 40.760124][ T447] CPU: 0 PID: 447 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 40.770280][ T447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.780317][ T447] Call Trace: [ 40.783656][ T447] dump_stack+0x19c/0x1e2 [ 40.788265][ T447] should_fail+0x3f7/0x5b0 [ 40.792689][ T447] __should_failslab+0xd2/0x130 [ 40.797523][ T447] ? __kernfs_new_node+0x97/0x6d0 [ 40.802522][ T447] should_failslab+0x9/0x20 [ 40.807011][ T447] slab_pre_alloc_hook+0x25/0xe0 [ 40.812027][ T447] ? __kernfs_new_node+0x97/0x6d0 [ 40.817114][ T447] kmem_cache_alloc+0x40/0x2a0 [ 40.821879][ T447] __kernfs_new_node+0x97/0x6d0 [ 40.826889][ T447] ? string+0x29f/0x2b0 [ 40.831036][ T447] ? vsnprintf+0x1a6c/0x1b30 [ 40.835798][ T447] kernfs_new_node+0x97/0x170 [ 40.840461][ T447] __kernfs_create_file+0x4a/0x270 [ 40.845656][ T447] cgroup_addrm_files+0x99e/0xeb0 [ 40.850669][ T447] ? delete_node+0x747/0x7a0 [ 40.855348][ T447] css_populate_dir+0x137/0x370 [ 40.860185][ T447] cgroup_apply_control_enable+0x31e/0xfc0 [ 40.865970][ T447] cgroup_apply_control+0x36/0x710 [ 40.871073][ T447] ? init_wait_entry+0xe0/0xe0 [ 40.875815][ T447] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.881086][ T447] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.887043][ T447] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.892998][ T447] cgroup_file_write+0x22f/0x4f0 [ 40.898007][ T447] kernfs_fop_write_iter+0x2cd/0x410 [ 40.903288][ T447] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.908380][ T447] vfs_write+0xb57/0xe50 [ 40.912600][ T447] ksys_write+0x157/0x260 [ 40.917091][ T447] __x64_sys_write+0x7b/0x90 [ 40.921843][ T447] do_syscall_64+0x34/0x70 [ 40.926597][ T447] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.932488][ T447] RIP: 0033:0x7f773a1c40e9 [ 40.936909][ T447] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.956494][ T447] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.964904][ T447] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 40.972999][ T447] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.980961][ T447] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.989005][ T447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.997035][ T447] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 41.007400][ T447] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.015343][ T447] !!! cgroup_apply_control_disable [ 41.021210][ T447] !!! cgroup_apply_control_disable kill_css ffff88810ccb2400 [ 41.029712][ T447] !!! cgroup_apply_control_disable kill_css ffff88810cabe800 [ 41.037418][ T447] !!! cgroup_apply_control_disable kill_css ffff88810cabf400 [ 41.051975][ C0] !!! css_killed_ref_fn css ffff88810ccb2400 !!! [ 41.061968][ C1] !!! css_killed_ref_fn css ffff88810cabe800 !!! [ 41.064902][ T433] !!! css_put is ALREADY zero css or dying ffff88810ccb2400 !!! [ 41.076193][ C0] !!! css_killed_ref_fn css ffff88810cabf400 !!! [ 41.083393][ T19] !!! css_put is ALREADY zero css or dying ffff88810cabe800 !!! [ 41.091224][ T433] !!! css_put is ALREADY zero css or dying ffff88810cabf400 !!! [ 41.099321][ T454] !!! css_create !!! [ 41.103419][ T454] !!! css_create !!! [ 41.107442][ T454] !!! css_create !!! [ 41.111533][ T454] FAULT_INJECTION: forcing a failure. [ 41.111533][ T454] name failslab, interval 1, probability 0, space 0, times 0 [ 41.124994][ T454] CPU: 0 PID: 454 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 41.135137][ T454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.145258][ T454] Call Trace: [ 41.148627][ T454] dump_stack+0x19c/0x1e2 [ 41.153021][ T454] should_fail+0x3f7/0x5b0 [ 41.157418][ T454] __should_failslab+0xd2/0x130 [ 41.162258][ T454] ? __kernfs_new_node+0x97/0x6d0 [ 41.167355][ T454] should_failslab+0x9/0x20 [ 41.171850][ T454] slab_pre_alloc_hook+0x25/0xe0 [ 41.176807][ T454] ? __kernfs_new_node+0x97/0x6d0 [ 41.181907][ T454] kmem_cache_alloc+0x40/0x2a0 [ 41.186757][ T454] __kernfs_new_node+0x97/0x6d0 [ 41.191797][ T454] ? string+0x29f/0x2b0 [ 41.195947][ T454] ? vsnprintf+0x1a6c/0x1b30 [ 41.200532][ T454] kernfs_new_node+0x97/0x170 [ 41.205190][ T454] __kernfs_create_file+0x4a/0x270 [ 41.210284][ T454] cgroup_addrm_files+0x99e/0xeb0 [ 41.215313][ T454] ? delete_node+0x747/0x7a0 [ 41.219920][ T454] css_populate_dir+0x137/0x370 [ 41.224757][ T454] cgroup_apply_control_enable+0x31e/0xfc0 [ 41.230562][ T454] cgroup_apply_control+0x36/0x710 [ 41.235669][ T454] ? init_wait_entry+0xe0/0xe0 [ 41.240418][ T454] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.245683][ T454] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.251644][ T454] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.257697][ T454] cgroup_file_write+0x22f/0x4f0 [ 41.262617][ T454] kernfs_fop_write_iter+0x2cd/0x410 [ 41.267888][ T454] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.273006][ T454] vfs_write+0xb57/0xe50 [ 41.277322][ T454] ksys_write+0x157/0x260 [ 41.281653][ T454] __x64_sys_write+0x7b/0x90 [ 41.286336][ T454] do_syscall_64+0x34/0x70 [ 41.290830][ T454] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.296818][ T454] RIP: 0033:0x7fa1a960b0e9 [ 41.301217][ T454] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.321031][ T454] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.329651][ T454] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 41.337625][ T454] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.345615][ T454] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.354010][ T454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.361978][ T454] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 41.370994][ T454] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.378360][ T454] !!! cgroup_apply_control_disable [ 41.383814][ T454] !!! cgroup_apply_control_disable kill_css ffff88810cf15400 [ 41.391625][ T454] !!! cgroup_apply_control_disable kill_css ffff88810cf14400 [ 41.399295][ T454] !!! cgroup_apply_control_disable kill_css ffff88810cf16400 [ 41.414502][ C1] !!! css_killed_ref_fn css ffff88810cf15400 !!! [ 41.424502][ C1] !!! css_killed_ref_fn css ffff88810cf14400 !!! [ 41.430915][ T19] !!! css_put is ALREADY zero css or dying ffff88810cf15400 !!! [ 41.438857][ T19] !!! css_put is ALREADY zero css or dying ffff88810cf14400 !!! [ 41.447091][ C1] !!! css_killed_ref_fn css ffff88810cf16400 !!! [ 41.453636][ T19] !!! css_put is ALREADY zero css or dying ffff88810cf16400 !!! [ 41.461524][ T464] !!! css_create !!! [ 41.465676][ T464] !!! css_create !!! [ 41.469727][ T464] !!! css_create !!! [ 41.474013][ T464] FAULT_INJECTION: forcing a failure. [ 41.474013][ T464] name failslab, interval 1, probability 0, space 0, times 0 [ 41.486881][ T464] CPU: 1 PID: 464 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 41.497284][ T464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.507536][ T464] Call Trace: [ 41.510839][ T464] dump_stack+0x19c/0x1e2 [ 41.515324][ T464] should_fail+0x3f7/0x5b0 [ 41.519717][ T464] __should_failslab+0xd2/0x130 [ 41.524589][ T464] should_failslab+0x9/0x20 [ 41.529343][ T464] slab_pre_alloc_hook+0x25/0xe0 [ 41.534276][ T464] ? __kernfs_new_node+0x4c/0x6d0 [ 41.539412][ T464] __kmalloc_track_caller+0x70/0x300 [ 41.544684][ T464] ? __kernfs_new_node+0x4c/0x6d0 [ 41.549704][ T464] kstrdup_const+0x55/0x90 [ 41.554117][ T464] __kernfs_new_node+0x4c/0x6d0 [ 41.558961][ T464] ? string+0x29f/0x2b0 [ 41.563605][ T464] ? vsnprintf+0x1a6c/0x1b30 [ 41.568233][ T464] kernfs_new_node+0x97/0x170 [ 41.572909][ T464] __kernfs_create_file+0x4a/0x270 [ 41.578100][ T464] cgroup_addrm_files+0x99e/0xeb0 [ 41.583118][ T464] ? delete_node+0x747/0x7a0 [ 41.587697][ T464] css_populate_dir+0x137/0x370 [ 41.592545][ T464] cgroup_apply_control_enable+0x31e/0xfc0 [ 41.598629][ T464] cgroup_apply_control+0x36/0x710 [ 41.603992][ T464] ? init_wait_entry+0xe0/0xe0 [ 41.609019][ T464] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.614306][ T464] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.620399][ T464] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.626400][ T464] cgroup_file_write+0x22f/0x4f0 [ 41.631327][ T464] kernfs_fop_write_iter+0x2cd/0x410 [ 41.636660][ T464] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.641765][ T464] vfs_write+0xb57/0xe50 [ 41.645987][ T464] ksys_write+0x157/0x260 [ 41.650385][ T464] __x64_sys_write+0x7b/0x90 [ 41.654965][ T464] do_syscall_64+0x34/0x70 [ 41.659360][ T464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.665778][ T464] RIP: 0033:0x7f79b35de0e9 [ 41.670283][ T464] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.690423][ T464] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.699077][ T464] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 41.707040][ T464] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.714988][ T464] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.722935][ T464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.731147][ T464] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 41.740035][ T464] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.747112][ T464] !!! cgroup_apply_control_disable [ 41.752282][ T464] !!! cgroup_apply_control_disable kill_css ffff88810d1c3400 [ 41.759878][ T464] !!! cgroup_apply_control_disable kill_css ffff88810d1c3000 [ 41.767755][ T464] !!! cgroup_apply_control_disable kill_css ffff88810d204000 [ 41.791986][ C1] !!! css_killed_ref_fn css ffff88810d1c3400 !!! [ 41.799151][ T376] !!! css_put is ALREADY zero css or dying ffff88810d1c3400 !!! [ 41.807215][ C1] !!! css_killed_ref_fn css ffff88810d204000 !!! [ 41.811978][ C0] !!! css_killed_ref_fn css ffff88810d1c3000 !!! [ 41.813912][ T376] !!! css_put is ALREADY zero css or dying ffff88810d204000 !!! [ 41.827893][ T433] !!! css_put is ALREADY zero css or dying ffff88810d1c3000 !!! [ 41.835742][ T472] !!! css_create !!! [ 41.839932][ T472] !!! css_create !!! [ 41.844122][ T472] !!! css_create !!! [ 41.848205][ T472] FAULT_INJECTION: forcing a failure. [ 41.848205][ T472] name failslab, interval 1, probability 0, space 0, times 0 [ 41.860917][ T472] CPU: 1 PID: 472 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 41.871309][ T472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.881547][ T472] Call Trace: [ 41.884964][ T472] dump_stack+0x19c/0x1e2 [ 41.889407][ T472] should_fail+0x3f7/0x5b0 [ 41.893830][ T472] __should_failslab+0xd2/0x130 [ 41.898691][ T472] should_failslab+0x9/0x20 [ 41.903183][ T472] slab_pre_alloc_hook+0x25/0xe0 [ 41.908126][ T472] ? __kernfs_new_node+0x4c/0x6d0 [ 41.913142][ T472] __kmalloc_track_caller+0x70/0x300 [ 41.918614][ T472] ? __kernfs_new_node+0x4c/0x6d0 [ 41.923898][ T472] kstrdup_const+0x55/0x90 [ 41.928537][ T472] __kernfs_new_node+0x4c/0x6d0 [ 41.933487][ T472] ? string+0x29f/0x2b0 [ 41.937925][ T472] ? vsnprintf+0x1a6c/0x1b30 [ 41.942768][ T472] kernfs_new_node+0x97/0x170 [ 41.947434][ T472] __kernfs_create_file+0x4a/0x270 [ 41.952616][ T472] cgroup_addrm_files+0x99e/0xeb0 [ 41.957670][ T472] ? delete_node+0x747/0x7a0 [ 41.962243][ T472] css_populate_dir+0x137/0x370 [ 41.967260][ T472] cgroup_apply_control_enable+0x31e/0xfc0 [ 41.973187][ T472] cgroup_apply_control+0x36/0x710 [ 41.978304][ T472] ? init_wait_entry+0xe0/0xe0 [ 41.983147][ T472] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.988430][ T472] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.994391][ T472] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.000352][ T472] cgroup_file_write+0x22f/0x4f0 [ 42.005366][ T472] kernfs_fop_write_iter+0x2cd/0x410 [ 42.010634][ T472] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.015735][ T472] vfs_write+0xb57/0xe50 [ 42.019956][ T472] ksys_write+0x157/0x260 [ 42.024350][ T472] __x64_sys_write+0x7b/0x90 [ 42.028943][ T472] do_syscall_64+0x34/0x70 [ 42.033337][ T472] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.039295][ T472] RIP: 0033:0x7f79b35de0e9 [ 42.044320][ T472] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.063906][ T472] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.072310][ T472] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 42.080289][ T472] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.088350][ T472] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.096392][ T472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.104884][ T472] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 42.114404][ T472] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.121492][ T472] !!! cgroup_apply_control_disable [ 42.126750][ T472] !!! cgroup_apply_control_disable kill_css ffff88810d17f000 [ 42.134286][ T472] !!! cgroup_apply_control_disable kill_css ffff88810d17fc00 [ 42.141807][ T472] !!! cgroup_apply_control_disable kill_css ffff88810d17dc00 [ 42.171972][ C1] !!! css_killed_ref_fn css ffff88810d17f000 !!! [ 42.178380][ C1] !!! css_killed_ref_fn css ffff88810d17fc00 !!! [ 42.184901][ C1] !!! css_killed_ref_fn css ffff88810d17dc00 !!! [ 42.191507][ T19] !!! css_put is ALREADY zero css or dying ffff88810d17f000 !!! [ 42.199607][ T19] !!! css_put is ALREADY zero css or dying ffff88810d17fc00 !!! [ 42.207768][ T19] !!! css_put is ALREADY zero css or dying ffff88810d17dc00 !!! [ 42.215714][ T466] !!! css_create !!! [ 42.219767][ T466] !!! css_create !!! [ 42.223879][ T466] !!! css_create !!! [ 42.227777][ T466] FAULT_INJECTION: forcing a failure. [ 42.227777][ T466] name failslab, interval 1, probability 0, space 0, times 0 [ 42.240747][ T466] CPU: 1 PID: 466 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 42.251208][ T466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.261261][ T466] Call Trace: [ 42.264558][ T466] dump_stack+0x19c/0x1e2 [ 42.268982][ T466] should_fail+0x3f7/0x5b0 [ 42.273476][ T466] __should_failslab+0xd2/0x130 [ 42.278306][ T466] should_failslab+0x9/0x20 [ 42.282815][ T466] slab_pre_alloc_hook+0x25/0xe0 [ 42.287904][ T466] kmem_cache_alloc_trace+0x47/0x2b0 [ 42.293255][ T466] ? percpu_ref_init+0xd0/0x330 [ 42.298280][ T466] percpu_ref_init+0xd0/0x330 [ 42.302940][ T466] ? cgroup_setup_root+0x8a0/0x8a0 [ 42.308041][ T466] cgroup_apply_control_enable+0x49f/0xfc0 [ 42.313920][ T466] cgroup_apply_control+0x36/0x710 [ 42.319718][ T466] ? init_wait_entry+0xe0/0xe0 [ 42.324472][ T466] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.329770][ T466] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.335922][ T466] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.341976][ T466] cgroup_file_write+0x22f/0x4f0 [ 42.346892][ T466] kernfs_fop_write_iter+0x2cd/0x410 [ 42.352161][ T466] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.357258][ T466] vfs_write+0xb57/0xe50 [ 42.361668][ T466] ksys_write+0x157/0x260 [ 42.366169][ T466] __x64_sys_write+0x7b/0x90 [ 42.370744][ T466] do_syscall_64+0x34/0x70 [ 42.375139][ T466] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.381040][ T466] RIP: 0033:0x7f773a1c40e9 [ 42.385618][ T466] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.405374][ T466] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.413942][ T466] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 42.421904][ T466] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.429945][ T466] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.437984][ T466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.445941][ T466] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 42.454480][ T466] !!! cgroup_apply_control_disable [ 42.459836][ T466] !!! cgroup_apply_control_disable kill_css ffff88810d17e400 [ 42.467400][ T466] !!! cgroup_apply_control_disable kill_css ffff88810d17d800 [ 42.491999][ C1] !!! css_killed_ref_fn css ffff88810d17e400 !!! [ 42.498614][ C1] !!! css_killed_ref_fn css ffff88810d17d800 !!! [ 42.505074][ T24] !!! css_put is ALREADY zero css or dying ffff88810d17e400 !!! [ 42.512813][ T24] !!! css_put is ALREADY zero css or dying ffff88810d17d800 !!! [ 42.520823][ T469] !!! css_create !!! [ 42.524830][ T469] !!! css_create !!! [ 42.528754][ T469] !!! css_create !!! [ 42.532753][ T469] FAULT_INJECTION: forcing a failure. [ 42.532753][ T469] name failslab, interval 1, probability 0, space 0, times 0 [ 42.545594][ T469] CPU: 1 PID: 469 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 42.555980][ T469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.566016][ T469] Call Trace: [ 42.569424][ T469] dump_stack+0x19c/0x1e2 [ 42.573741][ T469] should_fail+0x3f7/0x5b0 [ 42.578145][ T469] __should_failslab+0xd2/0x130 [ 42.583069][ T469] should_failslab+0x9/0x20 [ 42.587559][ T469] slab_pre_alloc_hook+0x25/0xe0 [ 42.592483][ T469] ? __kernfs_new_node+0x4c/0x6d0 [ 42.597493][ T469] __kmalloc_track_caller+0x70/0x300 [ 42.602868][ T469] ? __kernfs_new_node+0x4c/0x6d0 [ 42.607964][ T469] kstrdup_const+0x55/0x90 [ 42.612360][ T469] __kernfs_new_node+0x4c/0x6d0 [ 42.617359][ T469] ? string+0x29f/0x2b0 [ 42.621502][ T469] ? vsnprintf+0x1a6c/0x1b30 [ 42.626180][ T469] kernfs_new_node+0x97/0x170 [ 42.631186][ T469] __kernfs_create_file+0x4a/0x270 [ 42.636366][ T469] cgroup_addrm_files+0x99e/0xeb0 [ 42.641380][ T469] ? delete_node+0x747/0x7a0 [ 42.645950][ T469] css_populate_dir+0x137/0x370 [ 42.650775][ T469] cgroup_apply_control_enable+0x31e/0xfc0 [ 42.656645][ T469] cgroup_apply_control+0x36/0x710 [ 42.661816][ T469] ? init_wait_entry+0xe0/0xe0 [ 42.666555][ T469] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.672043][ T469] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.678124][ T469] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.684277][ T469] cgroup_file_write+0x22f/0x4f0 [ 42.689215][ T469] kernfs_fop_write_iter+0x2cd/0x410 [ 42.694581][ T469] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.699778][ T469] vfs_write+0xb57/0xe50 [ 42.704007][ T469] ksys_write+0x157/0x260 [ 42.708329][ T469] __x64_sys_write+0x7b/0x90 [ 42.712901][ T469] do_syscall_64+0x34/0x70 [ 42.717397][ T469] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.723454][ T469] RIP: 0033:0x7fa1a960b0e9 [ 42.727933][ T469] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.747949][ T469] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.756516][ T469] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 42.764564][ T469] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.772534][ T469] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.780661][ T469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.788719][ T469] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 42.797366][ T469] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.804739][ T469] !!! cgroup_apply_control_disable [ 42.809923][ T469] !!! cgroup_apply_control_disable kill_css ffff88810d92b800 2022/05/31 19:48:03 executed programs: 15 [ 42.817774][ T469] !!! cgroup_apply_control_disable kill_css ffff88810d92a800 [ 42.825444][ T469] !!! cgroup_apply_control_disable kill_css ffff88810d92b400 [ 42.851967][ C1] !!! css_killed_ref_fn css ffff88810d92b800 !!! [ 42.858755][ T376] !!! css_put is ALREADY zero css or dying ffff88810d92b800 !!! [ 42.866685][ C1] !!! css_killed_ref_fn css ffff88810d92a800 !!! [ 42.866694][ C1] !!! css_killed_ref_fn css ffff88810d92b400 !!! [ 42.879570][ T376] !!! css_put is ALREADY zero css or dying ffff88810d92a800 !!! [ 42.887731][ T24] !!! css_put is ALREADY zero css or dying ffff88810d92b400 !!! [ 42.895736][ T455] !!! css_create !!! [ 42.899668][ T455] !!! css_create !!! [ 42.903818][ T455] !!! css_create !!! [ 42.907837][ T455] FAULT_INJECTION: forcing a failure. [ 42.907837][ T455] name failslab, interval 1, probability 0, space 0, times 0 [ 42.920614][ T455] CPU: 1 PID: 455 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 42.930741][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.941332][ T455] Call Trace: [ 42.944604][ T455] dump_stack+0x19c/0x1e2 [ 42.948913][ T455] should_fail+0x3f7/0x5b0 [ 42.953420][ T455] __should_failslab+0xd2/0x130 [ 42.958349][ T455] should_failslab+0x9/0x20 [ 42.962828][ T455] slab_pre_alloc_hook+0x25/0xe0 [ 42.967739][ T455] ? __kernfs_new_node+0x4c/0x6d0 [ 42.972914][ T455] __kmalloc_track_caller+0x70/0x300 [ 42.978175][ T455] ? __kernfs_new_node+0x4c/0x6d0 [ 42.983174][ T455] kstrdup_const+0x55/0x90 [ 42.987662][ T455] __kernfs_new_node+0x4c/0x6d0 [ 42.992673][ T455] ? string+0x29f/0x2b0 [ 42.996918][ T455] ? vsnprintf+0x1a6c/0x1b30 [ 43.002042][ T455] kernfs_new_node+0x97/0x170 [ 43.006756][ T455] __kernfs_create_file+0x4a/0x270 [ 43.012032][ T455] cgroup_addrm_files+0x99e/0xeb0 [ 43.017040][ T455] ? delete_node+0x747/0x7a0 [ 43.021618][ T455] css_populate_dir+0x137/0x370 [ 43.026729][ T455] cgroup_apply_control_enable+0x31e/0xfc0 [ 43.032512][ T455] cgroup_apply_control+0x36/0x710 [ 43.037619][ T455] ? init_wait_entry+0xe0/0xe0 [ 43.042388][ T455] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.047838][ T455] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.053812][ T455] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.059774][ T455] cgroup_file_write+0x22f/0x4f0 [ 43.064793][ T455] kernfs_fop_write_iter+0x2cd/0x410 [ 43.070050][ T455] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.075142][ T455] vfs_write+0xb57/0xe50 [ 43.079385][ T455] ksys_write+0x157/0x260 [ 43.083709][ T455] __x64_sys_write+0x7b/0x90 [ 43.088288][ T455] do_syscall_64+0x34/0x70 [ 43.092723][ T455] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.098685][ T455] RIP: 0033:0x7f37291a60e9 [ 43.103098][ T455] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.123146][ T455] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.131662][ T455] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 43.139881][ T455] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.148059][ T455] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.156017][ T455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.164160][ T455] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 43.174477][ T455] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.181519][ T455] !!! cgroup_apply_control_disable [ 43.187027][ T455] !!! cgroup_apply_control_disable kill_css ffff88810d354c00 [ 43.194702][ T455] !!! cgroup_apply_control_disable kill_css ffff88810d350800 [ 43.202885][ T455] !!! cgroup_apply_control_disable kill_css ffff88810d352000 [ 43.221987][ C1] !!! css_killed_ref_fn css ffff88810d354c00 !!! [ 43.228426][ T376] !!! css_put is ALREADY zero css or dying ffff88810d354c00 !!! [ 43.236292][ C1] !!! css_killed_ref_fn css ffff88810d350800 !!! [ 43.242641][ C1] !!! css_killed_ref_fn css ffff88810d352000 !!! [ 43.249100][ T376] !!! css_put is ALREADY zero css or dying ffff88810d350800 !!! [ 43.257200][ T376] !!! css_put is ALREADY zero css or dying ffff88810d352000 !!! [ 43.265144][ T475] !!! css_create !!! [ 43.269244][ T475] !!! css_create !!! [ 43.273390][ T475] !!! css_create !!! [ 43.277343][ T475] FAULT_INJECTION: forcing a failure. [ 43.277343][ T475] name failslab, interval 1, probability 0, space 0, times 0 [ 43.290115][ T475] CPU: 0 PID: 475 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 43.300295][ T475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.310456][ T475] Call Trace: [ 43.313839][ T475] dump_stack+0x19c/0x1e2 [ 43.318173][ T475] should_fail+0x3f7/0x5b0 [ 43.322590][ T475] __should_failslab+0xd2/0x130 [ 43.327426][ T475] should_failslab+0x9/0x20 [ 43.331920][ T475] slab_pre_alloc_hook+0x25/0xe0 [ 43.336854][ T475] kmem_cache_alloc_trace+0x47/0x2b0 [ 43.342207][ T475] ? percpu_ref_init+0xd0/0x330 [ 43.347044][ T475] percpu_ref_init+0xd0/0x330 [ 43.351702][ T475] ? cgroup_setup_root+0x8a0/0x8a0 [ 43.357056][ T475] cgroup_apply_control_enable+0x49f/0xfc0 [ 43.362868][ T475] cgroup_apply_control+0x36/0x710 [ 43.367975][ T475] ? init_wait_entry+0xe0/0xe0 [ 43.372823][ T475] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.378118][ T475] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.384266][ T475] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.390337][ T475] cgroup_file_write+0x22f/0x4f0 [ 43.395294][ T475] kernfs_fop_write_iter+0x2cd/0x410 [ 43.400567][ T475] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.405675][ T475] vfs_write+0xb57/0xe50 [ 43.409906][ T475] ksys_write+0x157/0x260 [ 43.414215][ T475] __x64_sys_write+0x7b/0x90 [ 43.418794][ T475] do_syscall_64+0x34/0x70 [ 43.423197][ T475] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.429160][ T475] RIP: 0033:0x7f79b35de0e9 [ 43.433559][ T475] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.453608][ T475] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.462027][ T475] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 43.470123][ T475] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.478296][ T475] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.486365][ T475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.494441][ T475] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 43.502777][ T475] !!! cgroup_apply_control_disable [ 43.508098][ T475] !!! cgroup_apply_control_disable kill_css ffff88810da19000 [ 43.518436][ T475] !!! cgroup_apply_control_disable kill_css ffff88810da18000 [ 43.542007][ C1] !!! css_killed_ref_fn css ffff88810da19000 !!! [ 43.548530][ T376] !!! css_put is ALREADY zero css or dying ffff88810da19000 !!! [ 43.556473][ C1] !!! css_killed_ref_fn css ffff88810da18000 !!! [ 43.563005][ T376] !!! css_put is ALREADY zero css or dying ffff88810da18000 !!! [ 43.570844][ T480] !!! css_create !!! [ 43.575019][ T480] !!! css_create !!! [ 43.579122][ T480] !!! css_create !!! [ 43.583480][ T480] FAULT_INJECTION: forcing a failure. [ 43.583480][ T480] name failslab, interval 1, probability 0, space 0, times 0 [ 43.596252][ T480] CPU: 1 PID: 480 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 43.606883][ T480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.617787][ T480] Call Trace: [ 43.621267][ T480] dump_stack+0x19c/0x1e2 [ 43.625673][ T480] should_fail+0x3f7/0x5b0 [ 43.630091][ T480] __should_failslab+0xd2/0x130 [ 43.634931][ T480] should_failslab+0x9/0x20 [ 43.639410][ T480] slab_pre_alloc_hook+0x25/0xe0 [ 43.644323][ T480] ? __kernfs_new_node+0x4c/0x6d0 [ 43.649322][ T480] __kmalloc_track_caller+0x70/0x300 [ 43.654674][ T480] ? __kernfs_new_node+0x4c/0x6d0 [ 43.659903][ T480] kstrdup_const+0x55/0x90 [ 43.664754][ T480] __kernfs_new_node+0x4c/0x6d0 [ 43.669678][ T480] ? string+0x29f/0x2b0 [ 43.673986][ T480] ? vsnprintf+0x1a6c/0x1b30 [ 43.678562][ T480] kernfs_new_node+0x97/0x170 [ 43.683408][ T480] __kernfs_create_file+0x4a/0x270 [ 43.688602][ T480] cgroup_addrm_files+0x99e/0xeb0 [ 43.693613][ T480] ? delete_node+0x747/0x7a0 [ 43.698392][ T480] css_populate_dir+0x137/0x370 [ 43.703314][ T480] cgroup_apply_control_enable+0x31e/0xfc0 [ 43.709288][ T480] cgroup_apply_control+0x36/0x710 [ 43.714375][ T480] ? init_wait_entry+0xe0/0xe0 [ 43.720495][ T480] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.725766][ T480] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.731735][ T480] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.737952][ T480] cgroup_file_write+0x22f/0x4f0 [ 43.743005][ T480] kernfs_fop_write_iter+0x2cd/0x410 [ 43.748449][ T480] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.753693][ T480] vfs_write+0xb57/0xe50 [ 43.757940][ T480] ksys_write+0x157/0x260 [ 43.762594][ T480] __x64_sys_write+0x7b/0x90 [ 43.767163][ T480] do_syscall_64+0x34/0x70 [ 43.771569][ T480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.777438][ T480] RIP: 0033:0x7fa1a960b0e9 [ 43.781835][ T480] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.801608][ T480] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.810032][ T480] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 43.818333][ T480] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.826329][ T480] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.834472][ T480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.842467][ T480] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 43.851617][ T480] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.858910][ T480] !!! cgroup_apply_control_disable [ 43.864097][ T480] !!! cgroup_apply_control_disable kill_css ffff88810dad7000 [ 43.871759][ T480] !!! cgroup_apply_control_disable kill_css ffff88810dad7400 [ 43.879266][ T480] !!! cgroup_apply_control_disable kill_css ffff88810db15c00 [ 43.887323][ C1] !!! css_killed_ref_fn css ffff88810dad7000 !!! [ 43.893796][ T24] !!! css_put is ALREADY zero css or dying ffff88810dad7000 !!! [ 43.894027][ T413] ------------[ cut here ]------------ [ 43.901666][ C1] !!! css_killed_ref_fn css ffff88810dad7400 !!! [ 43.907371][ T413] WARNING: CPU: 0 PID: 413 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 43.913821][ T24] !!! css_put is ALREADY zero css or dying ffff88810dad7400 !!! [ 43.923315][ T413] Modules linked in: [ 43.931717][ C1] !!! css_killed_ref_fn css ffff88810db15c00 !!! [ 43.934785][ T413] CPU: 0 PID: 413 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 43.934798][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.941332][ T24] !!! css_put is ALREADY zero css or dying ffff88810db15c00 !!! [ 43.951649][ T413] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 43.951665][ T413] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 43.986053][ T477] !!! css_create !!! [ 43.995158][ T413] RSP: 0018:ffffc90000f17dd0 EFLAGS: 00010293 [ 43.995170][ T413] RAX: ffffffff81af07bc RBX: ffff88810c4949e0 RCX: ffff88810526db80 [ 43.995183][ T413] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 44.002384][ T477] !!! css_create !!! [ 44.005123][ T413] RBP: ffffc90000f17e40 R08: ffffffff81af04e7 R09: fffff520001e2fb2 [ 44.024344][ T477] !!! css_create !!! [ 44.025118][ T413] R10: fffff520001e2fb2 R11: 1ffff920001e2fb1 R12: dffffc0000000000 [ 44.043073][ T477] FAULT_INJECTION: forcing a failure. [ 44.043073][ T477] name failslab, interval 1, probability 0, space 0, times 0 [ 44.045403][ T413] R13: ffff88810c494900 R14: 00000000ffffffff R15: 0000000000000000 [ 44.066492][ T413] FS: 0000555555e0e400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 44.074275][ T477] CPU: 1 PID: 477 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00165-g07d497086047 #0 [ 44.075414][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.085605][ T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.085609][ T477] Call Trace: [ 44.085624][ T477] dump_stack+0x19c/0x1e2 [ 44.085641][ T477] should_fail+0x3f7/0x5b0 [ 44.092398][ T413] CR2: 0000555555e17b38 CR3: 0000000114d06000 CR4: 00000000003506b0 [ 44.102702][ T477] __should_failslab+0xd2/0x130 [ 44.102712][ T477] should_failslab+0x9/0x20 [ 44.102720][ T477] slab_pre_alloc_hook+0x25/0xe0 [ 44.102729][ T477] kmem_cache_alloc_trace+0x47/0x2b0 [ 44.102749][ T477] ? pids_css_alloc+0x4e/0x120 [ 44.106144][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.110459][ T477] pids_css_alloc+0x4e/0x120 [ 44.114908][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.122813][ T477] cgroup_apply_control_enable+0x44e/0xfc0 [ 44.122825][ T477] cgroup_apply_control+0x36/0x710 [ 44.122841][ T477] ? init_wait_entry+0xe0/0xe0 [ 44.127958][ T413] Call Trace: [ 44.132538][ T477] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.132549][ T477] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.132565][ T477] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.137656][ T413] path_umount+0x1ad/0xed0 [ 44.142910][ T477] cgroup_file_write+0x22f/0x4f0 [ 44.142920][ T477] kernfs_fop_write_iter+0x2cd/0x410 [ 44.142935][ T477] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.147691][ T413] __x64_sys_umount+0xe8/0x110 [ 44.155633][ T477] vfs_write+0xb57/0xe50 [ 44.155644][ T477] ksys_write+0x157/0x260 [ 44.155658][ T477] __x64_sys_write+0x7b/0x90 [ 44.160224][ T413] do_syscall_64+0x34/0x70 [ 44.168528][ T477] do_syscall_64+0x34/0x70 [ 44.168538][ T477] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.168552][ T477] RIP: 0033:0x7f773a1c40e9 [ 44.174520][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.179620][ T477] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.184366][ T413] RIP: 0033:0x7fa1a960c557 [ 44.187622][ T477] RSP: 002b:00007f773a13a168 EFLAGS: 00000246 [ 44.192933][ T413] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.198868][ T477] ORIG_RAX: 0000000000000001 [ 44.204968][ T413] RSP: 002b:00007ffe61cbb168 EFLAGS: 00000246 [ 44.209362][ T477] RAX: ffffffffffffffda RBX: 00007f773a2d6f60 RCX: 00007f773a1c40e9 [ 44.214320][ T413] ORIG_RAX: 00000000000000a6 [ 44.219638][ T477] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.224845][ T413] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa1a960c557 [ 44.229575][ T477] RBP: 00007f773a13a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.233902][ T413] RDX: 00007ffe61cbb239 RSI: 000000000000000a RDI: 00007ffe61cbb230 [ 44.238187][ T477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.242854][ T413] RBP: 00007ffe61cbb230 R08: 00000000ffffffff R09: 00007ffe61cbb000 [ 44.247233][ T477] R13: 00007ffd8e5e609f R14: 00007f773a13a300 R15: 0000000000022000 [ 44.251640][ T413] R10: 0000555555e0fba3 R11: 0000000000000246 R12: 00007fa1a96641f8 [ 44.408252][ T413] R13: 00007ffe61cbc2f0 R14: 0000555555e0fb00 R15: 00007ffe61cbc330 [ 44.416230][ T413] ---[ end trace fca5e2e0f619f9dd ]--- [ 44.426532][ T477] !!! cgroup_apply_control_disable [ 44.431832][ T477] !!! cgroup_apply_control_disable kill_css ffff88810db65400 [ 44.439973][ T477] !!! cgroup_apply_control_disable kill_css ffff88810db64800 [ 44.449927][ T411] ------------[ cut here ]------------ [ 44.455657][ T411] WARNING: CPU: 0 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 44.462230][ C1] !!! css_killed_ref_fn css ffff88810db65400 !!! [ 44.464610][ T411] Modules linked in: [ 44.471110][ T24] !!! css_put is ALREADY zero css or dying ffff88810db65400 !!! [ 44.474799][ T411] CPU: 0 PID: 411 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 44.474804][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.474826][ T411] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 44.510182][ T411] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 44.530242][ T411] RSP: 0018:ffffc90000ef7d58 EFLAGS: 00010293 [ 44.536354][ T411] RAX: ffffffff81af07bc RBX: ffff88810c494860 RCX: ffff88810527db80 [ 44.544351][ T411] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 44.552728][ T411] RBP: ffffc90000ef7dc8 R08: ffffffff81af04e7 R09: fffff520001defa3 [ 44.560776][ T411] R10: fffff520001defa3 R11: 1ffff920001defa2 R12: dffffc0000000000 [ 44.569156][ T411] R13: ffff88810c494780 R14: 00000000fffffffe R15: 0000000000000000 [ 44.577276][ T411] FS: 0000555556bbd400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 44.586669][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.593279][ T411] CR2: 00007ffd8e5e4f98 CR3: 00000001149a9000 CR4: 00000000003506b0 [ 44.601248][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.609491][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.617489][ T411] Call Trace: [ 44.620769][ T411] ? init_wait_entry+0xe0/0xe0 [ 44.625731][ T411] ? up_write+0x68/0x140 [ 44.630088][ T411] namespace_unlock+0x377/0x420 [ 44.635223][ T411] path_umount+0xe23/0xed0 [ 44.639884][ T411] __x64_sys_umount+0xe8/0x110 [ 44.644642][ T411] do_syscall_64+0x34/0x70 [ 44.649037][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.655195][ T411] RIP: 0033:0x7f773a1c5557 [ 44.659773][ T411] 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 [ 44.679747][ T411] RSP: 002b:00007ffd8e5e51f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 44.688187][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f773a1c5557 [ 44.696460][ T411] RDX: 00007ffd8e5e52c9 RSI: 000000000000000a RDI: 00007ffd8e5e52c0 [ 44.704449][ T411] RBP: 00007ffd8e5e52c0 R08: 00000000ffffffff R09: 00007ffd8e5e5090 [ 44.712517][ T411] R10: 0000555556bbeba3 R11: 0000000000000246 R12: 00007f773a21d1f8 [ 44.720576][ T411] R13: 00007ffd8e5e6380 R14: 0000555556bbeb00 R15: 00007ffd8e5e63c0 [ 44.728783][ T411] ---[ end trace fca5e2e0f619f9de ]--- [ 44.734432][ T411] ------------[ cut here ]------------ [ 44.740108][ T411] WARNING: CPU: 1 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 44.741968][ C0] !!! css_killed_ref_fn css ffff88810db64800 !!! [ 44.749189][ T411] Modules linked in: [ 44.755598][ T5] !!! css_put is ALREADY zero css or dying ffff88810db64800 !!! [ 44.759599][ T411] CPU: 1 PID: 411 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 44.779003][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.789068][ T411] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 44.794692][ T411] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 44.814575][ T411] RSP: 0018:ffffc90000ef7dd0 EFLAGS: 00010293 [ 44.820814][ T411] RAX: ffffffff81af07bc RBX: ffff88810c494860 RCX: ffff88810527db80 [ 44.822139][ T444] !!! css_create !!! [ 44.829018][ T411] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 44.838460][ T444] !!! css_create !!! [ 44.841112][ T411] RBP: ffffc90000ef7e40 R08: ffffffff81af04e7 R09: fffff520001defb2 [ 44.841119][ T411] R10: fffff520001defb2 R11: 1ffff920001defb1 R12: dffffc0000000000 [ 44.841132][ T411] R13: ffff88810c494780 R14: 00000000fffffffd R15: 0000000000000000 [ 44.851522][ T444] !!! css_create !!! [ 44.852978][ T411] FS: 0000555556bbd400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 44.852985][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.852991][ T411] CR2: 00005555567573b8 CR3: 00000001149a9000 CR4: 00000000003506a0 [ 44.853004][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.871993][ T444] FAULT_INJECTION: forcing a failure. [ 44.871993][ T444] name failslab, interval 1, probability 0, space 0, times 0 [ 44.873670][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.885357][ T444] CPU: 0 PID: 444 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 44.889734][ T411] Call Trace: [ 44.897682][ T444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.897686][ T444] Call Trace: [ 44.897703][ T444] dump_stack+0x19c/0x1e2 [ 44.897713][ T444] should_fail+0x3f7/0x5b0 [ 44.897734][ T444] __should_failslab+0xd2/0x130 [ 44.905704][ T411] path_umount+0x1ad/0xed0 [ 44.918381][ T444] should_failslab+0x9/0x20 [ 44.918390][ T444] slab_pre_alloc_hook+0x25/0xe0 [ 44.918407][ T444] ? __kernfs_new_node+0x4c/0x6d0 [ 44.926390][ T411] __x64_sys_umount+0xe8/0x110 [ 44.937885][ T444] __kmalloc_track_caller+0x70/0x300 [ 44.937894][ T444] ? __kernfs_new_node+0x4c/0x6d0 [ 44.937909][ T444] kstrdup_const+0x55/0x90 [ 44.941173][ T411] do_syscall_64+0x34/0x70 [ 44.951739][ T444] __kernfs_new_node+0x4c/0x6d0 [ 44.951748][ T444] ? string+0x29f/0x2b0 [ 44.951762][ T444] ? vsnprintf+0x1a6c/0x1b30 [ 44.955051][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.959341][ T444] kernfs_new_node+0x97/0x170 [ 44.963937][ T411] RIP: 0033:0x7f773a1c5557 [ 44.968757][ T444] __kernfs_create_file+0x4a/0x270 [ 44.973154][ T411] 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 [ 44.977720][ T444] cgroup_addrm_files+0x99e/0xeb0 [ 44.982643][ T411] RSP: 002b:00007ffd8e5e51f8 EFLAGS: 00000246 [ 44.987725][ T444] ? delete_node+0x747/0x7a0 [ 44.992460][ T411] ORIG_RAX: 00000000000000a6 [ 44.997723][ T444] css_populate_dir+0x137/0x370 [ 45.002727][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f773a1c5557 [ 45.007208][ T444] cgroup_apply_control_enable+0x31e/0xfc0 [ 45.011590][ T411] RDX: 00007ffd8e5e52c9 RSI: 000000000000000a RDI: 00007ffd8e5e52c0 [ 45.016419][ T444] cgroup_apply_control+0x36/0x710 [ 45.016429][ T444] ? init_wait_entry+0xe0/0xe0 [ 45.016444][ T444] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.020569][ T411] RBP: 00007ffd8e5e52c0 R08: 00000000ffffffff R09: 00007ffd8e5e5090 [ 45.025127][ T444] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.025145][ T444] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.031004][ T411] R10: 0000555556bbeba3 R11: 0000000000000246 R12: 00007f773a21d1f8 [ 45.035661][ T444] cgroup_file_write+0x22f/0x4f0 [ 45.035673][ T444] kernfs_fop_write_iter+0x2cd/0x410 [ 45.035682][ T444] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.035702][ T444] vfs_write+0xb57/0xe50 [ 45.040111][ T411] R13: 00007ffd8e5e6380 R14: 0000555556bbeb00 R15: 00007ffd8e5e63c0 [ 45.045290][ T444] ksys_write+0x157/0x260 [ 45.045300][ T444] __x64_sys_write+0x7b/0x90 [ 45.045317][ T444] do_syscall_64+0x34/0x70 [ 45.064951][ T411] ---[ end trace fca5e2e0f619f9df ]--- [ 45.069939][ T444] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.089155][ T23] audit: type=1400 audit(1654026485.929:159): 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 [ 45.090639][ T444] RIP: 0033:0x7f2442a680e9 [ 45.098683][ T23] audit: type=1400 audit(1654026485.929:160): 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 [ 45.104390][ 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 [ 45.104397][ T444] RSP: 002b:00007f24429de168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.104409][ T444] RAX: ffffffffffffffda RBX: 00007f2442b7af60 RCX: 00007f2442a680e9 [ 45.104423][ T444] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.113019][ T23] audit: type=1400 audit(1654026485.929:161): 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 [ 45.117462][ T444] RBP: 00007f24429de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.334964][ T444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.343090][ T444] R13: 00007ffe51e31d5f R14: 00007f24429de300 R15: 0000000000022000 [ 45.353133][ T444] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.360276][ T444] !!! cgroup_apply_control_disable [ 45.366269][ T444] !!! cgroup_apply_control_disable kill_css ffff88810dd09c00 [ 45.374709][ T444] !!! cgroup_apply_control_disable kill_css ffff88810dd09000 [ 45.382425][ T444] !!! cgroup_apply_control_disable kill_css ffff88810dd08000 [ 45.412011][ C1] !!! css_killed_ref_fn css ffff88810dd09c00 !!! [ 45.418499][ T24] !!! css_put is ALREADY zero css or dying ffff88810dd09c00 !!! [ 45.432008][ C0] !!! css_killed_ref_fn css ffff88810dd09000 !!! [ 45.438637][ C0] !!! css_killed_ref_fn css ffff88810dd08000 !!! [ 45.445487][ T5] !!! css_put is ALREADY zero css or dying ffff88810dd09000 !!! [ 45.453533][ T433] !!! css_put is ALREADY zero css or dying ffff88810dd08000 !!! [ 45.461281][ T465] !!! css_create !!! [ 45.465334][ T465] !!! css_create !!! [ 45.469509][ T465] !!! css_create !!! [ 45.473669][ T465] FAULT_INJECTION: forcing a failure. [ 45.473669][ T465] name failslab, interval 1, probability 0, space 0, times 0 [ 45.486717][ T465] CPU: 1 PID: 465 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 45.498639][ T465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.508684][ T465] Call Trace: [ 45.512000][ T465] dump_stack+0x19c/0x1e2 [ 45.516307][ T465] should_fail+0x3f7/0x5b0 [ 45.520700][ T465] __should_failslab+0xd2/0x130 [ 45.525853][ T465] should_failslab+0x9/0x20 [ 45.530349][ T465] slab_pre_alloc_hook+0x25/0xe0 [ 45.535274][ T465] ? __kernfs_new_node+0x4c/0x6d0 [ 45.540408][ T465] __kmalloc_track_caller+0x70/0x300 [ 45.545682][ T465] ? __kernfs_new_node+0x4c/0x6d0 [ 45.551265][ T465] kstrdup_const+0x55/0x90 [ 45.555723][ T465] __kernfs_new_node+0x4c/0x6d0 [ 45.560558][ T465] ? string+0x29f/0x2b0 [ 45.564847][ T465] ? vsnprintf+0x1a6c/0x1b30 [ 45.569416][ T465] kernfs_new_node+0x97/0x170 [ 45.574336][ T465] __kernfs_create_file+0x4a/0x270 [ 45.579549][ T465] cgroup_addrm_files+0x99e/0xeb0 [ 45.584562][ T465] ? delete_node+0x747/0x7a0 [ 45.589137][ T465] css_populate_dir+0x137/0x370 [ 45.593965][ T465] cgroup_apply_control_enable+0x31e/0xfc0 [ 45.599757][ T465] cgroup_apply_control+0x36/0x710 [ 45.604866][ T465] ? init_wait_entry+0xe0/0xe0 [ 45.609887][ T465] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.615171][ T465] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.621238][ T465] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.627194][ T465] cgroup_file_write+0x22f/0x4f0 [ 45.632341][ T465] kernfs_fop_write_iter+0x2cd/0x410 [ 45.637876][ T465] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.642976][ T465] vfs_write+0xb57/0xe50 [ 45.647366][ T465] ksys_write+0x157/0x260 [ 45.651683][ T465] __x64_sys_write+0x7b/0x90 [ 45.656251][ T465] do_syscall_64+0x34/0x70 [ 45.660645][ T465] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.666656][ T465] RIP: 0033:0x7f69313bd0e9 [ 45.671051][ T465] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.690644][ T465] RSP: 002b:00007f6931312168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.699062][ T465] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 45.707153][ T465] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.715115][ T465] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.723062][ T465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.731123][ T465] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 45.739473][ T465] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.746668][ T465] !!! cgroup_apply_control_disable [ 45.752072][ T465] !!! cgroup_apply_control_disable kill_css ffff88810dfce400 [ 45.759583][ T465] !!! cgroup_apply_control_disable kill_css ffff88810dfcd800 [ 45.767303][ T465] !!! cgroup_apply_control_disable kill_css ffff88810dfce000 [ 45.801975][ C0] !!! css_killed_ref_fn css ffff88810dfce400 !!! [ 45.808566][ T5] !!! css_put is ALREADY zero css or dying ffff88810dfce400 !!! [ 45.816483][ C0] !!! css_killed_ref_fn css ffff88810dfce000 !!! [ 45.821971][ C1] !!! css_killed_ref_fn css ffff88810dfcd800 !!! [ 45.823057][ T5] !!! css_put is ALREADY zero css or dying ffff88810dfce000 !!! [ 45.837619][ T24] !!! css_put is ALREADY zero css or dying ffff88810dfcd800 !!! [ 45.845576][ T496] !!! css_create !!! [ 45.849582][ T496] !!! css_create !!! [ 45.853639][ T496] !!! css_create !!! [ 45.857731][ T496] FAULT_INJECTION: forcing a failure. [ 45.857731][ T496] name failslab, interval 1, probability 0, space 0, times 0 [ 45.870790][ T496] CPU: 1 PID: 496 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 45.882496][ T496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.892786][ T496] Call Trace: [ 45.896074][ T496] dump_stack+0x19c/0x1e2 [ 45.900483][ T496] should_fail+0x3f7/0x5b0 [ 45.904926][ T496] __should_failslab+0xd2/0x130 [ 45.909978][ T496] should_failslab+0x9/0x20 [ 45.914467][ T496] slab_pre_alloc_hook+0x25/0xe0 [ 45.919539][ T496] ? __kernfs_new_node+0x4c/0x6d0 [ 45.924569][ T496] __kmalloc_track_caller+0x70/0x300 [ 45.929845][ T496] ? __kernfs_new_node+0x4c/0x6d0 [ 45.934903][ T496] kstrdup_const+0x55/0x90 [ 45.939459][ T496] __kernfs_new_node+0x4c/0x6d0 [ 45.944311][ T496] ? string+0x29f/0x2b0 [ 45.948730][ T496] ? vsnprintf+0x1a6c/0x1b30 [ 45.953330][ T496] kernfs_new_node+0x97/0x170 [ 45.957996][ T496] __kernfs_create_file+0x4a/0x270 [ 45.963092][ T496] cgroup_addrm_files+0x99e/0xeb0 [ 45.968107][ T496] ? delete_node+0x747/0x7a0 [ 45.972685][ T496] css_populate_dir+0x137/0x370 [ 45.977583][ T496] cgroup_apply_control_enable+0x31e/0xfc0 [ 45.983397][ T496] cgroup_apply_control+0x36/0x710 [ 45.988500][ T496] ? init_wait_entry+0xe0/0xe0 [ 45.993264][ T496] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.998548][ T496] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.004594][ T496] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.010640][ T496] cgroup_file_write+0x22f/0x4f0 [ 46.015559][ T496] kernfs_fop_write_iter+0x2cd/0x410 [ 46.020847][ T496] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.025945][ T496] vfs_write+0xb57/0xe50 [ 46.030266][ T496] ksys_write+0x157/0x260 [ 46.034582][ T496] __x64_sys_write+0x7b/0x90 [ 46.039164][ T496] do_syscall_64+0x34/0x70 [ 46.043576][ T496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.049446][ T496] RIP: 0033:0x7f2442a680e9 [ 46.054017][ T496] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.074069][ T496] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.082723][ T496] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 46.090848][ T496] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.098805][ T496] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.106760][ T496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.114801][ T496] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 46.123475][ T496] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.130801][ T496] !!! cgroup_apply_control_disable [ 46.136120][ T496] !!! cgroup_apply_control_disable kill_css ffff88810dfcd000 [ 46.143708][ T496] !!! cgroup_apply_control_disable kill_css ffff88810dfcc000 [ 46.151443][ T496] !!! cgroup_apply_control_disable kill_css ffff88810dfccc00 [ 46.181994][ C0] !!! css_killed_ref_fn css ffff88810dfcd000 !!! [ 46.188454][ C0] !!! css_killed_ref_fn css ffff88810dfcc000 !!! [ 46.194863][ T5] !!! css_put is ALREADY zero css or dying ffff88810dfcd000 !!! [ 46.202607][ T5] !!! css_put is ALREADY zero css or dying ffff88810dfcc000 !!! [ 46.211974][ C1] !!! css_killed_ref_fn css ffff88810dfccc00 !!! [ 46.219203][ T24] !!! css_put is ALREADY zero css or dying ffff88810dfccc00 !!! [ 46.227056][ T497] !!! css_create !!! [ 46.231070][ T497] !!! css_create !!! [ 46.235089][ T497] !!! css_create !!! [ 46.238986][ T497] FAULT_INJECTION: forcing a failure. [ 46.238986][ T497] name failslab, interval 1, probability 0, space 0, times 0 [ 46.251697][ T497] CPU: 1 PID: 497 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 46.263315][ T497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.274080][ T497] Call Trace: [ 46.277441][ T497] dump_stack+0x19c/0x1e2 [ 46.281908][ T497] should_fail+0x3f7/0x5b0 [ 46.286500][ T497] __should_failslab+0xd2/0x130 [ 46.291357][ T497] should_failslab+0x9/0x20 [ 46.295854][ T497] slab_pre_alloc_hook+0x25/0xe0 [ 46.300777][ T497] kmem_cache_alloc_trace+0x47/0x2b0 [ 46.306221][ T497] ? percpu_ref_init+0xd0/0x330 [ 46.311304][ T497] percpu_ref_init+0xd0/0x330 [ 46.315981][ T497] ? cgroup_setup_root+0x8a0/0x8a0 [ 46.321080][ T497] cgroup_apply_control_enable+0x49f/0xfc0 [ 46.326972][ T497] cgroup_apply_control+0x36/0x710 [ 46.332095][ T497] ? init_wait_entry+0xe0/0xe0 [ 46.336959][ T497] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.342235][ T497] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.348475][ T497] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.354738][ T497] cgroup_file_write+0x22f/0x4f0 [ 46.359849][ T497] kernfs_fop_write_iter+0x2cd/0x410 [ 46.365119][ T497] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.370303][ T497] vfs_write+0xb57/0xe50 [ 46.374536][ T497] ksys_write+0x157/0x260 [ 46.378873][ T497] __x64_sys_write+0x7b/0x90 [ 46.383567][ T497] do_syscall_64+0x34/0x70 [ 46.387994][ T497] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.394250][ T497] RIP: 0033:0x7f79b35de0e9 [ 46.398716][ 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 [ 46.418842][ T497] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.427334][ T497] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 46.435557][ T497] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.443689][ T497] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.451849][ T497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.459820][ T497] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 46.469091][ T497] !!! cgroup_apply_control_disable [ 46.474274][ T497] !!! cgroup_apply_control_disable kill_css ffff88810dffd400 [ 46.481701][ T497] !!! cgroup_apply_control_disable kill_css ffff88810dffec00 [ 46.521978][ C1] !!! css_killed_ref_fn css ffff88810dffd400 !!! [ 46.528503][ C1] !!! css_killed_ref_fn css ffff88810dffec00 !!! [ 46.535153][ T24] !!! css_put is ALREADY zero css or dying ffff88810dffd400 !!! [ 46.543076][ T24] !!! css_put is ALREADY zero css or dying ffff88810dffec00 !!! [ 46.551363][ T498] !!! css_create !!! [ 46.555610][ T498] !!! css_create !!! [ 46.559573][ T498] !!! css_create !!! [ 46.563974][ T498] FAULT_INJECTION: forcing a failure. [ 46.563974][ T498] name failslab, interval 1, probability 0, space 0, times 0 [ 46.577104][ T498] CPU: 1 PID: 498 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 46.588927][ T498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.599139][ T498] Call Trace: [ 46.602424][ T498] dump_stack+0x19c/0x1e2 [ 46.606918][ T498] should_fail+0x3f7/0x5b0 [ 46.611500][ T498] __should_failslab+0xd2/0x130 [ 46.616420][ T498] should_failslab+0x9/0x20 [ 46.621173][ T498] slab_pre_alloc_hook+0x25/0xe0 [ 46.626110][ T498] kmem_cache_alloc_trace+0x47/0x2b0 [ 46.631639][ T498] ? percpu_ref_init+0xd0/0x330 [ 46.636565][ T498] percpu_ref_init+0xd0/0x330 [ 46.641395][ T498] ? cgroup_setup_root+0x8a0/0x8a0 [ 46.646483][ T498] cgroup_apply_control_enable+0x49f/0xfc0 [ 46.652455][ T498] cgroup_apply_control+0x36/0x710 [ 46.657560][ T498] ? init_wait_entry+0xe0/0xe0 [ 46.662400][ T498] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.667684][ T498] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.673751][ T498] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.679819][ T498] cgroup_file_write+0x22f/0x4f0 [ 46.684752][ T498] kernfs_fop_write_iter+0x2cd/0x410 [ 46.690055][ T498] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.695192][ T498] vfs_write+0xb57/0xe50 [ 46.699528][ T498] ksys_write+0x157/0x260 [ 46.703849][ T498] __x64_sys_write+0x7b/0x90 [ 46.708683][ T498] do_syscall_64+0x34/0x70 [ 46.713294][ T498] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.719503][ T498] RIP: 0033:0x7f69313bd0e9 [ 46.723903][ T498] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.743907][ T498] RSP: 002b:00007f6931312168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.752302][ T498] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 46.760355][ T498] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.768576][ T498] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.776535][ T498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.784617][ T498] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 46.793758][ T498] !!! cgroup_apply_control_disable [ 46.799725][ T498] !!! cgroup_apply_control_disable kill_css ffff88810dfff400 [ 46.807264][ T498] !!! cgroup_apply_control_disable kill_css ffff88810dffe800 [ 46.851972][ C1] !!! css_killed_ref_fn css ffff88810dffe800 !!! [ 46.851990][ C0] !!! css_killed_ref_fn css ffff88810dfff400 !!! [ 46.858400][ T24] !!! css_put is ALREADY zero css or dying ffff88810dffe800 !!! [ 46.872522][ T5] !!! css_put is ALREADY zero css or dying ffff88810dfff400 !!! [ 46.880960][ T494] !!! css_create !!! [ 46.884953][ T494] !!! css_create !!! [ 46.888892][ T494] !!! css_create !!! [ 46.892895][ T494] FAULT_INJECTION: forcing a failure. [ 46.892895][ T494] name failslab, interval 1, probability 0, space 0, times 0 [ 46.905505][ T494] CPU: 1 PID: 494 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 46.917138][ T494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.927375][ T494] Call Trace: [ 46.930658][ T494] dump_stack+0x19c/0x1e2 [ 46.935025][ T494] should_fail+0x3f7/0x5b0 [ 46.939522][ T494] __should_failslab+0xd2/0x130 [ 46.944546][ T494] should_failslab+0x9/0x20 [ 46.949060][ T494] slab_pre_alloc_hook+0x25/0xe0 [ 46.953992][ T494] ? __kernfs_new_node+0x4c/0x6d0 [ 46.959013][ T494] __kmalloc_track_caller+0x70/0x300 [ 46.964356][ T494] ? __kernfs_new_node+0x4c/0x6d0 [ 46.969372][ T494] kstrdup_const+0x55/0x90 [ 46.973824][ T494] __kernfs_new_node+0x4c/0x6d0 [ 46.978778][ T494] ? string+0x29f/0x2b0 [ 46.983097][ T494] ? vsnprintf+0x1a6c/0x1b30 [ 46.988108][ T494] kernfs_new_node+0x97/0x170 [ 46.992778][ T494] __kernfs_create_file+0x4a/0x270 [ 46.997882][ T494] cgroup_addrm_files+0x99e/0xeb0 [ 47.002987][ T494] ? delete_node+0x747/0x7a0 [ 47.007674][ T494] css_populate_dir+0x137/0x370 [ 47.012600][ T494] cgroup_apply_control_enable+0x31e/0xfc0 [ 47.018656][ T494] cgroup_apply_control+0x36/0x710 [ 47.023795][ T494] ? init_wait_entry+0xe0/0xe0 [ 47.028547][ T494] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.033897][ T494] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.039990][ T494] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.045957][ T494] cgroup_file_write+0x22f/0x4f0 [ 47.050985][ T494] kernfs_fop_write_iter+0x2cd/0x410 [ 47.056454][ T494] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.061548][ T494] vfs_write+0xb57/0xe50 [ 47.065782][ T494] ksys_write+0x157/0x260 [ 47.070184][ T494] __x64_sys_write+0x7b/0x90 [ 47.074853][ T494] do_syscall_64+0x34/0x70 [ 47.079262][ T494] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.085145][ T494] RIP: 0033:0x7fa1a960b0e9 [ 47.089551][ 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 [ 47.109623][ T494] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.118647][ T494] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 47.126876][ T494] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.135120][ T494] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.143130][ T494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.151142][ T494] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 47.159275][ T494] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.166533][ T494] !!! cgroup_apply_control_disable [ 47.171657][ T494] !!! cgroup_apply_control_disable kill_css ffff88810c455800 [ 47.180116][ T494] !!! cgroup_apply_control_disable kill_css ffff88810c456000 [ 47.187879][ T494] !!! cgroup_apply_control_disable kill_css ffff88810c454800 [ 47.211988][ C1] !!! css_killed_ref_fn css ffff88810c455800 !!! [ 47.218400][ T376] !!! css_put is ALREADY zero css or dying ffff88810c455800 !!! [ 47.226163][ C1] !!! css_killed_ref_fn css ffff88810c456000 !!! [ 47.232629][ C1] !!! css_killed_ref_fn css ffff88810c454800 !!! [ 47.239023][ T376] !!! css_put is ALREADY zero css or dying ffff88810c456000 !!! [ 47.247383][ T376] !!! css_put is ALREADY zero css or dying ffff88810c454800 !!! [ 47.255431][ T495] !!! css_create !!! [ 47.259439][ T495] !!! css_create !!! [ 47.263519][ T495] !!! css_create !!! [ 47.267554][ T495] FAULT_INJECTION: forcing a failure. [ 47.267554][ T495] name failslab, interval 1, probability 0, space 0, times 0 [ 47.280818][ T495] CPU: 0 PID: 495 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 47.292779][ T495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.303223][ T495] Call Trace: [ 47.306632][ T495] dump_stack+0x19c/0x1e2 [ 47.310949][ T495] should_fail+0x3f7/0x5b0 [ 47.315572][ T495] __should_failslab+0xd2/0x130 [ 47.320773][ T495] should_failslab+0x9/0x20 [ 47.325266][ T495] slab_pre_alloc_hook+0x25/0xe0 [ 47.330256][ T495] kmem_cache_alloc_trace+0x47/0x2b0 [ 47.335626][ T495] ? percpu_ref_init+0xd0/0x330 [ 47.340462][ T495] percpu_ref_init+0xd0/0x330 [ 47.345131][ T495] ? cgroup_setup_root+0x8a0/0x8a0 [ 47.350271][ T495] cgroup_apply_control_enable+0x49f/0xfc0 [ 47.356056][ T495] cgroup_apply_control+0x36/0x710 [ 47.361238][ T495] ? init_wait_entry+0xe0/0xe0 [ 47.366107][ T495] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.371396][ T495] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.377375][ T495] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.383800][ T495] cgroup_file_write+0x22f/0x4f0 [ 47.388988][ T495] kernfs_fop_write_iter+0x2cd/0x410 [ 47.394542][ T495] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.399821][ T495] vfs_write+0xb57/0xe50 [ 47.404056][ T495] ksys_write+0x157/0x260 [ 47.408474][ T495] __x64_sys_write+0x7b/0x90 [ 47.413050][ T495] do_syscall_64+0x34/0x70 [ 47.417477][ T495] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.423441][ T495] RIP: 0033:0x7f773a1c40e9 [ 47.428525][ T495] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.449175][ T495] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.457655][ T495] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 47.465608][ T495] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.473560][ T495] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.482172][ T495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.490531][ T495] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 47.499300][ T495] !!! cgroup_apply_control_disable [ 47.504707][ T495] !!! cgroup_apply_control_disable kill_css ffff88810e6b3800 [ 47.512330][ T495] !!! cgroup_apply_control_disable kill_css ffff88810e6b2800 [ 47.541956][ C1] !!! css_killed_ref_fn css ffff88810e6b3800 !!! [ 47.548662][ C1] !!! css_killed_ref_fn css ffff88810e6b2800 !!! [ 47.555347][ T24] !!! css_put is ALREADY zero css or dying ffff88810e6b3800 !!! [ 47.563235][ T24] !!! css_put is ALREADY zero css or dying ffff88810e6b2800 !!! [ 47.571125][ T510] !!! css_create !!! [ 47.575370][ T510] !!! css_create !!! [ 47.579518][ T510] !!! css_create !!! [ 47.583719][ T510] FAULT_INJECTION: forcing a failure. [ 47.583719][ T510] name failslab, interval 1, probability 0, space 0, times 0 [ 47.596706][ T510] CPU: 0 PID: 510 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 47.608412][ T510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.618624][ T510] Call Trace: [ 47.621987][ T510] dump_stack+0x19c/0x1e2 [ 47.626671][ T510] should_fail+0x3f7/0x5b0 [ 47.631061][ T510] __should_failslab+0xd2/0x130 [ 47.635894][ T510] should_failslab+0x9/0x20 [ 47.640372][ T510] slab_pre_alloc_hook+0x25/0xe0 [ 47.645285][ T510] ? __kernfs_new_node+0x4c/0x6d0 [ 47.650283][ T510] __kmalloc_track_caller+0x70/0x300 [ 47.655644][ T510] ? __kernfs_new_node+0x4c/0x6d0 [ 47.660643][ T510] kstrdup_const+0x55/0x90 [ 47.665136][ T510] __kernfs_new_node+0x4c/0x6d0 [ 47.669960][ T510] ? string+0x29f/0x2b0 [ 47.674107][ T510] ? vsnprintf+0x1a6c/0x1b30 [ 47.678693][ T510] kernfs_new_node+0x97/0x170 [ 47.683832][ T510] __kernfs_create_file+0x4a/0x270 [ 47.689046][ T510] cgroup_addrm_files+0x99e/0xeb0 [ 47.694251][ T510] ? delete_node+0x747/0x7a0 [ 47.699010][ T510] css_populate_dir+0x137/0x370 [ 47.704221][ T510] cgroup_apply_control_enable+0x31e/0xfc0 [ 47.710193][ T510] cgroup_apply_control+0x36/0x710 [ 47.715294][ T510] ? init_wait_entry+0xe0/0xe0 [ 47.720320][ T510] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.725589][ T510] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.731549][ T510] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.737509][ T510] cgroup_file_write+0x22f/0x4f0 [ 47.742444][ T510] kernfs_fop_write_iter+0x2cd/0x410 [ 47.747818][ T510] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.752949][ T510] vfs_write+0xb57/0xe50 [ 47.757265][ T510] ksys_write+0x157/0x260 [ 47.761605][ T510] __x64_sys_write+0x7b/0x90 [ 47.766282][ T510] do_syscall_64+0x34/0x70 [ 47.770708][ T510] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.776599][ T510] RIP: 0033:0x7fa1a960b0e9 [ 47.781175][ T510] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.800874][ T510] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.809456][ T510] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 47.817789][ T510] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.825829][ T510] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.833867][ T510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.842126][ T510] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 47.850572][ T510] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.857746][ T510] !!! cgroup_apply_control_disable 2022/05/31 19:48:08 executed programs: 27 [ 47.863069][ T510] !!! cgroup_apply_control_disable kill_css ffff88810e9e0800 [ 47.870527][ T510] !!! cgroup_apply_control_disable kill_css ffff88810e9e3800 [ 47.878160][ T510] !!! cgroup_apply_control_disable kill_css ffff88810e9e4400 [ 47.892701][ C1] !!! css_killed_ref_fn css ffff88810e9e0800 !!! [ 47.899341][ T24] !!! css_put is ALREADY zero css or dying ffff88810e9e0800 !!! [ 47.907187][ C1] !!! css_killed_ref_fn css ffff88810e9e3800 !!! [ 47.907195][ C1] !!! css_killed_ref_fn css ffff88810e9e4400 !!! [ 47.920031][ T24] !!! css_put is ALREADY zero css or dying ffff88810e9e3800 !!! [ 47.928131][ T24] !!! css_put is ALREADY zero css or dying ffff88810e9e4400 !!! [ 47.935992][ T513] !!! css_create !!! [ 47.940007][ T513] !!! css_create !!! [ 47.944356][ T513] !!! css_create !!! [ 47.948306][ T513] FAULT_INJECTION: forcing a failure. [ 47.948306][ T513] name failslab, interval 1, probability 0, space 0, times 0 [ 47.961271][ T513] CPU: 0 PID: 513 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 47.973082][ T513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.983237][ T513] Call Trace: [ 47.986505][ T513] dump_stack+0x19c/0x1e2 [ 47.990816][ T513] should_fail+0x3f7/0x5b0 [ 47.995208][ T513] __should_failslab+0xd2/0x130 [ 48.000031][ T513] should_failslab+0x9/0x20 [ 48.004526][ T513] slab_pre_alloc_hook+0x25/0xe0 [ 48.009444][ T513] ? __kernfs_new_node+0x4c/0x6d0 [ 48.014448][ T513] __kmalloc_track_caller+0x70/0x300 [ 48.019730][ T513] ? __kernfs_new_node+0x4c/0x6d0 [ 48.024738][ T513] kstrdup_const+0x55/0x90 [ 48.029132][ T513] __kernfs_new_node+0x4c/0x6d0 [ 48.033955][ T513] ? string+0x29f/0x2b0 [ 48.038094][ T513] ? vsnprintf+0x1a6c/0x1b30 [ 48.042700][ T513] kernfs_new_node+0x97/0x170 [ 48.047442][ T513] __kernfs_create_file+0x4a/0x270 [ 48.052712][ T513] cgroup_addrm_files+0x99e/0xeb0 [ 48.057726][ T513] ? delete_node+0x747/0x7a0 [ 48.062295][ T513] css_populate_dir+0x137/0x370 [ 48.067133][ T513] cgroup_apply_control_enable+0x31e/0xfc0 [ 48.072921][ T513] cgroup_apply_control+0x36/0x710 [ 48.078018][ T513] ? init_wait_entry+0xe0/0xe0 [ 48.082872][ T513] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.088131][ T513] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.094442][ T513] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.100484][ T513] cgroup_file_write+0x22f/0x4f0 [ 48.105878][ T513] kernfs_fop_write_iter+0x2cd/0x410 [ 48.111286][ T513] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.116456][ T513] vfs_write+0xb57/0xe50 [ 48.120758][ T513] ksys_write+0x157/0x260 [ 48.125146][ T513] __x64_sys_write+0x7b/0x90 [ 48.129799][ T513] do_syscall_64+0x34/0x70 [ 48.134190][ T513] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.140054][ T513] RIP: 0033:0x7f773a1c40e9 [ 48.144458][ T513] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.164828][ T513] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.173315][ T513] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 48.181446][ T513] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.189400][ T513] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.197711][ T513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.205659][ T513] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 48.213956][ T513] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.221211][ T513] !!! cgroup_apply_control_disable [ 48.226665][ T513] !!! cgroup_apply_control_disable kill_css ffff88810e6b6400 [ 48.234228][ T513] !!! cgroup_apply_control_disable kill_css ffff88810e872400 [ 48.241676][ T513] !!! cgroup_apply_control_disable kill_css ffff88810e871800 [ 48.252308][ T411] ------------[ cut here ]------------ [ 48.257787][ T411] WARNING: CPU: 1 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 48.267148][ T411] Modules linked in: [ 48.276233][ C1] !!! css_killed_ref_fn css ffff88810e6b6400 !!! [ 48.276265][ C1] !!! css_killed_ref_fn css ffff88810e872400 !!! [ 48.289132][ T411] CPU: 1 PID: 411 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 48.300896][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.311185][ T411] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 48.317465][ T411] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 48.337466][ T411] RSP: 0018:ffffc90000ef7dd0 EFLAGS: 00010293 [ 48.343591][ T411] RAX: ffffffff81af07bc RBX: ffff88810c494b60 RCX: ffff88810527db80 [ 48.351550][ T411] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 48.361749][ T411] RBP: ffffc90000ef7e40 R08: ffffffff81af04e7 R09: fffff520001defb2 [ 48.369743][ T411] R10: fffff520001defb2 R11: 1ffff920001defb1 R12: dffffc0000000000 [ 48.377750][ T411] R13: ffff88810c494a80 R14: 00000000ffffffff R15: 0000000000000000 [ 48.385843][ T411] FS: 0000555556bbd400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 48.394991][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.401578][ T411] CR2: 00007ffd8e5e4f98 CR3: 00000001149a9000 CR4: 00000000003506a0 [ 48.409765][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.417764][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.426264][ T411] Call Trace: [ 48.429560][ T411] path_umount+0x1ad/0xed0 [ 48.434095][ T411] __x64_sys_umount+0xe8/0x110 [ 48.438886][ T411] do_syscall_64+0x34/0x70 [ 48.443370][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.449270][ T411] RIP: 0033:0x7f773a1c5557 [ 48.453791][ T411] 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 [ 48.474978][ T411] RSP: 002b:00007ffd8e5e51f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 48.483529][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f773a1c5557 [ 48.491509][ T411] RDX: 00007ffd8e5e52c9 RSI: 000000000000000a RDI: 00007ffd8e5e52c0 [ 48.499600][ T411] RBP: 00007ffd8e5e52c0 R08: 00000000ffffffff R09: 00007ffd8e5e5090 [ 48.507767][ T411] R10: 0000555556bbeba3 R11: 0000000000000246 R12: 00007f773a21d1f8 [ 48.515751][ T411] R13: 00007ffd8e5e6380 R14: 0000555556bbeb00 R15: 00007ffd8e5e63c0 [ 48.523775][ T411] ---[ end trace fca5e2e0f619f9e0 ]--- [ 48.529365][ T376] !!! css_put is ALREADY zero css or dying ffff88810e6b6400 !!! [ 48.538630][ T376] !!! css_put is ALREADY zero css or dying ffff88810e872400 !!! [ 48.546476][ C1] !!! css_killed_ref_fn css ffff88810e871800 !!! [ 48.553120][ T376] !!! css_put is ALREADY zero css or dying ffff88810e871800 !!! [ 48.561102][ T501] !!! css_create !!! [ 48.565152][ T501] !!! css_create !!! [ 48.569103][ T501] !!! css_create !!! [ 48.573285][ T501] FAULT_INJECTION: forcing a failure. [ 48.573285][ T501] name failslab, interval 1, probability 0, space 0, times 0 [ 48.586269][ T501] CPU: 0 PID: 501 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 48.597893][ T501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.607938][ T501] Call Trace: [ 48.611220][ T501] dump_stack+0x19c/0x1e2 [ 48.615527][ T501] should_fail+0x3f7/0x5b0 [ 48.619943][ T501] __should_failslab+0xd2/0x130 [ 48.624799][ T501] should_failslab+0x9/0x20 [ 48.629609][ T501] slab_pre_alloc_hook+0x25/0xe0 [ 48.634762][ T501] kmem_cache_alloc_trace+0x47/0x2b0 [ 48.640331][ T501] ? pids_css_alloc+0x4e/0x120 [ 48.645089][ T501] pids_css_alloc+0x4e/0x120 [ 48.649663][ T501] cgroup_apply_control_enable+0x44e/0xfc0 [ 48.655443][ T501] cgroup_apply_control+0x36/0x710 [ 48.660523][ T501] ? init_wait_entry+0xe0/0xe0 [ 48.665259][ T501] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.670517][ T501] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.676514][ T501] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.682610][ T501] cgroup_file_write+0x22f/0x4f0 [ 48.687542][ T501] kernfs_fop_write_iter+0x2cd/0x410 [ 48.692820][ T501] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.697921][ T501] vfs_write+0xb57/0xe50 [ 48.702254][ T501] ksys_write+0x157/0x260 [ 48.706566][ T501] __x64_sys_write+0x7b/0x90 [ 48.711153][ T501] do_syscall_64+0x34/0x70 [ 48.715562][ T501] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.721440][ T501] RIP: 0033:0x7f2442a680e9 [ 48.725853][ T501] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.745435][ T501] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.753917][ T501] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 48.761868][ T501] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.769807][ T501] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.777749][ T501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.785691][ T501] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 48.793970][ T501] !!! cgroup_apply_control_disable [ 48.799111][ T501] !!! cgroup_apply_control_disable kill_css ffff88810e92a800 [ 48.806547][ T501] !!! cgroup_apply_control_disable kill_css ffff88810e846000 [ 48.831988][ C1] !!! css_killed_ref_fn css ffff88810e92a800 !!! [ 48.838683][ T376] !!! css_put is ALREADY zero css or dying ffff88810e92a800 !!! [ 48.846685][ C1] !!! css_killed_ref_fn css ffff88810e846000 !!! [ 48.853420][ T376] !!! css_put is ALREADY zero css or dying ffff88810e846000 !!! [ 48.861379][ T516] !!! css_create !!! [ 48.865438][ T516] !!! css_create !!! [ 48.869625][ T516] !!! css_create !!! [ 48.873740][ T516] FAULT_INJECTION: forcing a failure. [ 48.873740][ T516] name failslab, interval 1, probability 0, space 0, times 0 [ 48.886478][ T516] CPU: 1 PID: 516 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 48.898015][ T516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.908666][ T516] Call Trace: [ 48.912332][ T516] dump_stack+0x19c/0x1e2 [ 48.916681][ T516] should_fail+0x3f7/0x5b0 [ 48.921171][ T516] __should_failslab+0xd2/0x130 [ 48.926138][ T516] should_failslab+0x9/0x20 [ 48.930655][ T516] slab_pre_alloc_hook+0x25/0xe0 [ 48.935572][ T516] ? __kernfs_new_node+0x4c/0x6d0 [ 48.940572][ T516] __kmalloc_track_caller+0x70/0x300 [ 48.945932][ T516] ? __kernfs_new_node+0x4c/0x6d0 [ 48.951112][ T516] kstrdup_const+0x55/0x90 [ 48.955500][ T516] __kernfs_new_node+0x4c/0x6d0 [ 48.960410][ T516] ? string+0x29f/0x2b0 [ 48.964657][ T516] ? vsnprintf+0x1a6c/0x1b30 [ 48.969222][ T516] kernfs_new_node+0x97/0x170 [ 48.973980][ T516] __kernfs_create_file+0x4a/0x270 [ 48.979064][ T516] cgroup_addrm_files+0x99e/0xeb0 [ 48.984072][ T516] ? delete_node+0x747/0x7a0 [ 48.988708][ T516] ? node_tag_clear+0x1a0/0x2c0 [ 48.993554][ T516] css_populate_dir+0x137/0x370 [ 48.998861][ T516] cgroup_apply_control_enable+0x31e/0xfc0 [ 49.004987][ T516] cgroup_apply_control+0x36/0x710 [ 49.010185][ T516] ? init_wait_entry+0xe0/0xe0 [ 49.015012][ T516] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.020270][ T516] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.026749][ T516] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.032895][ T516] cgroup_file_write+0x22f/0x4f0 [ 49.037814][ T516] kernfs_fop_write_iter+0x2cd/0x410 [ 49.043250][ T516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.048358][ T516] vfs_write+0xb57/0xe50 [ 49.052583][ T516] ksys_write+0x157/0x260 [ 49.056888][ T516] __x64_sys_write+0x7b/0x90 [ 49.061970][ T516] do_syscall_64+0x34/0x70 [ 49.066450][ T516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.072591][ T516] RIP: 0033:0x7fa1a960b0e9 [ 49.076980][ T516] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.096676][ T516] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.105077][ T516] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 49.113021][ T516] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.120966][ T516] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.128949][ T516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.137084][ T516] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 49.145485][ T516] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.152726][ T516] !!! cgroup_apply_control_disable [ 49.157828][ T516] !!! cgroup_apply_control_disable kill_css ffff88810ec7a000 [ 49.165622][ T516] !!! cgroup_apply_control_disable kill_css ffff88810ec78800 [ 49.173178][ T516] !!! cgroup_apply_control_disable kill_css ffff88810ec7b400 [ 49.192004][ C0] !!! css_killed_ref_fn css ffff88810ec7a000 !!! [ 49.198384][ T5] !!! css_put is ALREADY zero css or dying ffff88810ec7a000 !!! [ 49.201976][ C1] !!! css_killed_ref_fn css ffff88810ec78800 !!! [ 49.212477][ C1] !!! css_killed_ref_fn css ffff88810ec7b400 !!! [ 49.218975][ T376] !!! css_put is ALREADY zero css or dying ffff88810ec78800 !!! [ 49.226906][ T376] !!! css_put is ALREADY zero css or dying ffff88810ec7b400 !!! [ 49.234734][ T483] !!! css_create !!! [ 49.238718][ T483] !!! css_create !!! [ 49.242913][ T483] !!! css_create !!! [ 49.246995][ T483] FAULT_INJECTION: forcing a failure. [ 49.246995][ T483] name failslab, interval 1, probability 0, space 0, times 0 [ 49.259679][ T483] CPU: 1 PID: 483 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 49.272190][ T483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.282921][ T483] Call Trace: [ 49.286287][ T483] dump_stack+0x19c/0x1e2 [ 49.290814][ T483] should_fail+0x3f7/0x5b0 [ 49.295486][ T483] __should_failslab+0xd2/0x130 [ 49.300534][ T483] should_failslab+0x9/0x20 [ 49.305037][ T483] slab_pre_alloc_hook+0x25/0xe0 [ 49.310051][ T483] kmem_cache_alloc_trace+0x47/0x2b0 [ 49.315447][ T483] ? percpu_ref_init+0xd0/0x330 [ 49.320295][ T483] percpu_ref_init+0xd0/0x330 [ 49.325140][ T483] ? cgroup_setup_root+0x8a0/0x8a0 [ 49.330250][ T483] cgroup_apply_control_enable+0x49f/0xfc0 [ 49.336621][ T483] cgroup_apply_control+0x36/0x710 [ 49.341726][ T483] ? init_wait_entry+0xe0/0xe0 [ 49.346477][ T483] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.352010][ T483] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.358174][ T483] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.364136][ T483] cgroup_file_write+0x22f/0x4f0 [ 49.369050][ T483] kernfs_fop_write_iter+0x2cd/0x410 [ 49.374487][ T483] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.379587][ T483] vfs_write+0xb57/0xe50 [ 49.383825][ T483] ksys_write+0x157/0x260 [ 49.388132][ T483] __x64_sys_write+0x7b/0x90 [ 49.392699][ T483] do_syscall_64+0x34/0x70 [ 49.397098][ T483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.402967][ T483] RIP: 0033:0x7f37291a60e9 [ 49.407359][ 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 [ 49.427058][ T483] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.435458][ T483] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 49.443667][ T483] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.451968][ T483] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.461104][ T483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.469069][ T483] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 49.477434][ T483] !!! cgroup_apply_control_disable [ 49.482636][ T483] !!! cgroup_apply_control_disable kill_css ffff88810ee8a000 [ 49.490190][ T483] !!! cgroup_apply_control_disable kill_css ffff88810cdc2c00 [ 49.531988][ C0] !!! css_killed_ref_fn css ffff88810ee8a000 !!! [ 49.531994][ C1] !!! css_killed_ref_fn css ffff88810cdc2c00 !!! [ 49.532056][ T376] !!! css_put is ALREADY zero css or dying ffff88810cdc2c00 !!! [ 49.553223][ T5] !!! css_put is ALREADY zero css or dying ffff88810ee8a000 !!! [ 49.561620][ T527] !!! css_create !!! [ 49.565729][ T527] !!! css_create !!! [ 49.569929][ T527] !!! css_create !!! [ 49.574149][ T527] FAULT_INJECTION: forcing a failure. [ 49.574149][ T527] name failslab, interval 1, probability 0, space 0, times 0 [ 49.587215][ T527] CPU: 1 PID: 527 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 49.599029][ T527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.609103][ T527] Call Trace: [ 49.612405][ T527] dump_stack+0x19c/0x1e2 [ 49.616740][ T527] should_fail+0x3f7/0x5b0 [ 49.621205][ T527] __should_failslab+0xd2/0x130 [ 49.626142][ T527] should_failslab+0x9/0x20 [ 49.631249][ T527] slab_pre_alloc_hook+0x25/0xe0 [ 49.636879][ T527] ? __kernfs_new_node+0x4c/0x6d0 [ 49.642033][ T527] __kmalloc_track_caller+0x70/0x300 [ 49.647325][ T527] ? __kernfs_new_node+0x4c/0x6d0 [ 49.652344][ T527] kstrdup_const+0x55/0x90 [ 49.656772][ T527] __kernfs_new_node+0x4c/0x6d0 [ 49.661725][ T527] ? string+0x29f/0x2b0 [ 49.665975][ T527] ? vsnprintf+0x1a6c/0x1b30 [ 49.670565][ T527] kernfs_new_node+0x97/0x170 [ 49.675249][ T527] __kernfs_create_file+0x4a/0x270 [ 49.680450][ T527] cgroup_addrm_files+0x99e/0xeb0 [ 49.685472][ T527] ? delete_node+0x747/0x7a0 [ 49.690300][ T527] ? node_tag_clear+0x1a0/0x2c0 [ 49.695237][ T527] css_populate_dir+0x137/0x370 [ 49.700252][ T527] cgroup_apply_control_enable+0x31e/0xfc0 [ 49.706243][ T527] cgroup_apply_control+0x36/0x710 [ 49.711470][ T527] ? init_wait_entry+0xe0/0xe0 [ 49.716426][ T527] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.721866][ T527] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.728114][ T527] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.734089][ T527] cgroup_file_write+0x22f/0x4f0 [ 49.739012][ T527] kernfs_fop_write_iter+0x2cd/0x410 [ 49.744292][ T527] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.749402][ T527] vfs_write+0xb57/0xe50 [ 49.753930][ T527] ksys_write+0x157/0x260 [ 49.762596][ T527] __x64_sys_write+0x7b/0x90 [ 49.767444][ T527] do_syscall_64+0x34/0x70 [ 49.772429][ T527] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.778522][ T527] RIP: 0033:0x7f2442a680e9 [ 49.783008][ T527] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.805680][ T527] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.814270][ T527] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 49.822315][ T527] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.830287][ T527] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.838324][ T527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.846382][ T527] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 49.855523][ T527] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.862598][ T527] !!! cgroup_apply_control_disable [ 49.867785][ T527] !!! cgroup_apply_control_disable kill_css ffff88810cdc3800 [ 49.875227][ T527] !!! cgroup_apply_control_disable kill_css ffff88810cdc0800 [ 49.882663][ T527] !!! cgroup_apply_control_disable kill_css ffff88810cdc2400 [ 49.912000][ C1] !!! css_killed_ref_fn css ffff88810cdc3800 !!! [ 49.919144][ T19] !!! css_put is ALREADY zero css or dying ffff88810cdc3800 !!! [ 49.927943][ C1] !!! css_killed_ref_fn css ffff88810cdc0800 !!! [ 49.934689][ C1] !!! css_killed_ref_fn css ffff88810cdc2400 !!! [ 49.941451][ T19] !!! css_put is ALREADY zero css or dying ffff88810cdc0800 !!! [ 49.949429][ T19] !!! css_put is ALREADY zero css or dying ffff88810cdc2400 !!! [ 49.957322][ T528] !!! css_create !!! [ 49.961421][ T528] !!! css_create !!! [ 49.965562][ T528] !!! css_create !!! [ 49.969654][ T528] FAULT_INJECTION: forcing a failure. [ 49.969654][ T528] name failslab, interval 1, probability 0, space 0, times 0 [ 49.982714][ T528] CPU: 0 PID: 528 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 49.994273][ T528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.004708][ T528] Call Trace: [ 50.007994][ T528] dump_stack+0x19c/0x1e2 [ 50.012573][ T528] should_fail+0x3f7/0x5b0 [ 50.017189][ T528] __should_failslab+0xd2/0x130 [ 50.022038][ T528] should_failslab+0x9/0x20 [ 50.026557][ T528] slab_pre_alloc_hook+0x25/0xe0 [ 50.031593][ T528] kmem_cache_alloc_trace+0x47/0x2b0 [ 50.036956][ T528] ? percpu_ref_init+0xd0/0x330 [ 50.041900][ T528] percpu_ref_init+0xd0/0x330 [ 50.046843][ T528] ? cgroup_setup_root+0x8a0/0x8a0 [ 50.051947][ T528] cgroup_apply_control_enable+0x49f/0xfc0 [ 50.057828][ T528] cgroup_apply_control+0x36/0x710 [ 50.062932][ T528] ? init_wait_entry+0xe0/0xe0 [ 50.068136][ T528] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.073547][ T528] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.079541][ T528] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.085509][ T528] cgroup_file_write+0x22f/0x4f0 [ 50.090438][ T528] kernfs_fop_write_iter+0x2cd/0x410 [ 50.095806][ T528] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.100905][ T528] vfs_write+0xb57/0xe50 [ 50.105670][ T528] ksys_write+0x157/0x260 [ 50.110066][ T528] __x64_sys_write+0x7b/0x90 [ 50.114646][ T528] do_syscall_64+0x34/0x70 [ 50.119048][ T528] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.125032][ T528] RIP: 0033:0x7f37291a60e9 [ 50.129782][ T528] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.149651][ T528] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.158170][ T528] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 50.166134][ T528] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.174093][ T528] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.182042][ T528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.190085][ T528] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 50.198332][ T528] !!! cgroup_apply_control_disable [ 50.203564][ T528] !!! cgroup_apply_control_disable kill_css ffff88810eead400 [ 50.211126][ T528] !!! cgroup_apply_control_disable kill_css ffff88810eed9c00 [ 50.232004][ C1] !!! css_killed_ref_fn css ffff88810eead400 !!! [ 50.238537][ C1] !!! css_killed_ref_fn css ffff88810eed9c00 !!! [ 50.245033][ T19] !!! css_put is ALREADY zero css or dying ffff88810eead400 !!! [ 50.253240][ T19] !!! css_put is ALREADY zero css or dying ffff88810eed9c00 !!! [ 50.261004][ T531] !!! css_create !!! [ 50.265381][ T531] !!! css_create !!! [ 50.269426][ T531] !!! css_create !!! [ 50.274002][ T531] FAULT_INJECTION: forcing a failure. [ 50.274002][ T531] name failslab, interval 1, probability 0, space 0, times 0 [ 50.287142][ T531] CPU: 1 PID: 531 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 50.298670][ T531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.308848][ T531] Call Trace: [ 50.312136][ T531] dump_stack+0x19c/0x1e2 [ 50.316620][ T531] should_fail+0x3f7/0x5b0 [ 50.321115][ T531] __should_failslab+0xd2/0x130 [ 50.326033][ T531] should_failslab+0x9/0x20 [ 50.330528][ T531] slab_pre_alloc_hook+0x25/0xe0 [ 50.335464][ T531] ? __kernfs_new_node+0x4c/0x6d0 [ 50.341170][ T531] __kmalloc_track_caller+0x70/0x300 [ 50.346446][ T531] ? __kernfs_new_node+0x4c/0x6d0 [ 50.351457][ T531] kstrdup_const+0x55/0x90 [ 50.355904][ T531] __kernfs_new_node+0x4c/0x6d0 [ 50.360737][ T531] ? string+0x29f/0x2b0 [ 50.364883][ T531] ? vsnprintf+0x1a6c/0x1b30 [ 50.369512][ T531] kernfs_new_node+0x97/0x170 [ 50.374166][ T531] __kernfs_create_file+0x4a/0x270 [ 50.379363][ T531] cgroup_addrm_files+0x99e/0xeb0 [ 50.384551][ T531] ? __kasan_check_read+0x11/0x20 [ 50.389559][ T531] ? preempt_schedule_irq+0xbf/0x100 [ 50.394894][ T531] ? __kprobes_text_end+0x1bd48/0x1bd48 [ 50.400460][ T531] css_populate_dir+0x137/0x370 [ 50.405299][ T531] cgroup_apply_control_enable+0x31e/0xfc0 [ 50.411103][ T531] cgroup_apply_control+0x36/0x710 [ 50.416279][ T531] ? init_wait_entry+0xe0/0xe0 [ 50.421217][ T531] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.426497][ T531] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.432665][ T531] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.438756][ T531] cgroup_file_write+0x22f/0x4f0 [ 50.443693][ T531] kernfs_fop_write_iter+0x2cd/0x410 [ 50.448957][ T531] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.454155][ T531] vfs_write+0xb57/0xe50 [ 50.458449][ T531] ksys_write+0x157/0x260 [ 50.463556][ T531] __x64_sys_write+0x7b/0x90 [ 50.468121][ T531] do_syscall_64+0x34/0x70 [ 50.472515][ T531] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.478379][ T531] RIP: 0033:0x7f2442a680e9 [ 50.482774][ 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 [ 50.502451][ T531] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.512302][ T531] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 50.520303][ T531] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.528525][ T531] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.536568][ T531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.544729][ T531] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 50.553611][ T531] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.560740][ T531] !!! cgroup_apply_control_disable [ 50.566165][ T531] !!! cgroup_apply_control_disable kill_css ffff88810eeda400 [ 50.574301][ T531] !!! cgroup_apply_control_disable kill_css ffff88810eed9800 [ 50.581834][ T531] !!! cgroup_apply_control_disable kill_css ffff88810eeda000 [ 50.612014][ C0] !!! css_killed_ref_fn css ffff88810eeda400 !!! [ 50.618380][ C0] !!! css_killed_ref_fn css ffff88810eed9800 !!! [ 50.624861][ C0] !!! css_killed_ref_fn css ffff88810eeda000 !!! [ 50.631258][ T5] !!! css_put is ALREADY zero css or dying ffff88810eeda400 !!! [ 50.639109][ T5] !!! css_put is ALREADY zero css or dying ffff88810eed9800 !!! [ 50.647429][ T5] !!! css_put is ALREADY zero css or dying ffff88810eeda000 !!! [ 50.655472][ T526] !!! css_create !!! [ 50.659675][ T526] !!! css_create !!! [ 50.663812][ T526] !!! css_create !!! [ 50.667888][ T526] FAULT_INJECTION: forcing a failure. [ 50.667888][ T526] name failslab, interval 1, probability 0, space 0, times 0 [ 50.680538][ T526] CPU: 0 PID: 526 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 50.692250][ T526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.702410][ T526] Call Trace: [ 50.705780][ T526] dump_stack+0x19c/0x1e2 [ 50.710186][ T526] should_fail+0x3f7/0x5b0 [ 50.714669][ T526] __should_failslab+0xd2/0x130 [ 50.719507][ T526] should_failslab+0x9/0x20 [ 50.724056][ T526] slab_pre_alloc_hook+0x25/0xe0 [ 50.729059][ T526] ? __kernfs_new_node+0x4c/0x6d0 [ 50.734058][ T526] __kmalloc_track_caller+0x70/0x300 [ 50.739317][ T526] ? __kernfs_new_node+0x4c/0x6d0 [ 50.744316][ T526] kstrdup_const+0x55/0x90 [ 50.748886][ T526] __kernfs_new_node+0x4c/0x6d0 [ 50.753708][ T526] ? string+0x29f/0x2b0 [ 50.757847][ T526] ? vsnprintf+0x1a6c/0x1b30 [ 50.762509][ T526] kernfs_new_node+0x97/0x170 [ 50.767161][ T526] __kernfs_create_file+0x4a/0x270 [ 50.772272][ T526] cgroup_addrm_files+0x99e/0xeb0 [ 50.777537][ T526] ? delete_node+0x747/0x7a0 [ 50.782117][ T526] ? node_tag_clear+0x1a0/0x2c0 [ 50.787045][ T526] css_populate_dir+0x137/0x370 [ 50.791892][ T526] cgroup_apply_control_enable+0x31e/0xfc0 [ 50.797755][ T526] cgroup_apply_control+0x36/0x710 [ 50.802970][ T526] ? init_wait_entry+0xe0/0xe0 [ 50.807729][ T526] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.813010][ T526] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.819202][ T526] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.825263][ T526] cgroup_file_write+0x22f/0x4f0 [ 50.830191][ T526] kernfs_fop_write_iter+0x2cd/0x410 [ 50.835545][ T526] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.840653][ T526] vfs_write+0xb57/0xe50 [ 50.844876][ T526] ksys_write+0x157/0x260 [ 50.849406][ T526] __x64_sys_write+0x7b/0x90 [ 50.854235][ T526] do_syscall_64+0x34/0x70 [ 50.858651][ T526] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.864609][ T526] RIP: 0033:0x7fa1a960b0e9 [ 50.869000][ T526] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.888586][ T526] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.897168][ T526] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 50.905648][ T526] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.913794][ T526] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.921791][ T526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.929763][ T526] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 50.938045][ T526] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.945139][ T526] !!! cgroup_apply_control_disable [ 50.950460][ T526] !!! cgroup_apply_control_disable kill_css ffff88810cf1bc00 [ 50.957924][ T526] !!! cgroup_apply_control_disable kill_css ffff88810cf1a800 [ 50.965367][ T526] !!! cgroup_apply_control_disable kill_css ffff88810cf1b800 [ 50.991980][ C0] !!! css_killed_ref_fn css ffff88810cf1bc00 !!! [ 50.998368][ C0] !!! css_killed_ref_fn css ffff88810cf1a800 !!! [ 51.004778][ T74] !!! css_put is ALREADY zero css or dying ffff88810cf1bc00 !!! [ 51.012612][ T74] !!! css_put is ALREADY zero css or dying ffff88810cf1a800 !!! [ 51.020399][ C0] !!! css_killed_ref_fn css ffff88810cf1b800 !!! [ 51.027054][ T74] !!! css_put is ALREADY zero css or dying ffff88810cf1b800 !!! [ 51.034896][ T507] !!! css_create !!! [ 51.038884][ T507] !!! css_create !!! [ 51.042897][ T507] !!! css_create !!! [ 51.046835][ T507] FAULT_INJECTION: forcing a failure. [ 51.046835][ T507] name failslab, interval 1, probability 0, space 0, times 0 [ 51.060018][ T507] CPU: 1 PID: 507 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 51.071633][ T507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.081767][ T507] Call Trace: [ 51.085048][ T507] dump_stack+0x19c/0x1e2 [ 51.089364][ T507] should_fail+0x3f7/0x5b0 [ 51.093791][ T507] __should_failslab+0xd2/0x130 [ 51.098620][ T507] should_failslab+0x9/0x20 [ 51.103122][ T507] slab_pre_alloc_hook+0x25/0xe0 [ 51.108180][ T507] kmem_cache_alloc_trace+0x47/0x2b0 [ 51.113449][ T507] ? percpu_ref_init+0xd0/0x330 [ 51.118289][ T507] percpu_ref_init+0xd0/0x330 [ 51.122968][ T507] ? cgroup_setup_root+0x8a0/0x8a0 [ 51.128073][ T507] cgroup_apply_control_enable+0x49f/0xfc0 [ 51.134005][ T507] cgroup_apply_control+0x36/0x710 [ 51.139124][ T507] ? init_wait_entry+0xe0/0xe0 [ 51.143878][ T507] ? cgroup_kn_lock_live+0x1af/0x370 [ 51.149146][ T507] cgroup_subtree_control_write+0xd05/0x12d0 [ 51.155118][ T507] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 51.161179][ T507] cgroup_file_write+0x22f/0x4f0 [ 51.166104][ T507] kernfs_fop_write_iter+0x2cd/0x410 [ 51.171369][ T507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.176557][ T507] vfs_write+0xb57/0xe50 [ 51.180892][ T507] ksys_write+0x157/0x260 [ 51.185223][ T507] __x64_sys_write+0x7b/0x90 [ 51.190119][ T507] do_syscall_64+0x34/0x70 [ 51.194652][ T507] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.200754][ T507] RIP: 0033:0x7f69313bd0e9 [ 51.205158][ T507] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.225494][ T507] RSP: 002b:00007f6931312168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.233986][ T507] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 51.241945][ T507] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.249918][ T507] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.258153][ T507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.266140][ T507] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 51.275033][ T507] !!! cgroup_apply_control_disable [ 51.280150][ T507] !!! cgroup_apply_control_disable kill_css ffff88810f150800 [ 51.287762][ T507] !!! cgroup_apply_control_disable kill_css ffff88810f153800 [ 51.296400][ T412] ------------[ cut here ]------------ [ 51.301890][ T412] WARNING: CPU: 0 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 51.310856][ T412] Modules linked in: [ 51.314795][ T412] CPU: 0 PID: 412 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 51.326455][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.336681][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 51.342548][ T412] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 51.362565][ T412] RSP: 0018:ffffc90000f07d58 EFLAGS: 00010293 [ 51.368648][ T412] RAX: ffffffff81af07bc RBX: ffff88810c494560 RCX: ffff88810526eac0 [ 51.376632][ T412] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 51.384631][ T412] RBP: ffffc90000f07dc8 R08: ffffffff81af04e7 R09: fffff520001e0fa3 [ 51.392731][ T412] R10: fffff520001e0fa3 R11: 1ffff920001e0fa2 R12: dffffc0000000000 [ 51.400732][ T412] R13: ffff88810c494480 R14: 00000000ffffffff R15: 0000000000000000 [ 51.408762][ T412] FS: 0000555556757400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 51.417702][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.424303][ T412] CR2: 00007fff6eb30ff4 CR3: 000000011a824000 CR4: 00000000003506b0 [ 51.432397][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.440348][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.448331][ T412] Call Trace: [ 51.451612][ T412] ? init_wait_entry+0xe0/0xe0 [ 51.456502][ T412] ? up_write+0x68/0x140 [ 51.460841][ T412] namespace_unlock+0x377/0x420 [ 51.465730][ T412] path_umount+0xe23/0xed0 [ 51.470144][ T412] __x64_sys_umount+0xe8/0x110 [ 51.474924][ T412] do_syscall_64+0x34/0x70 [ 51.479654][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.485556][ T412] RIP: 0033:0x7f69313be557 [ 51.489966][ T412] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.509956][ T412] RSP: 002b:00007fff6eb31748 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 51.518438][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69313be557 [ 51.526555][ T412] RDX: 00007fff6eb31819 RSI: 000000000000000a RDI: 00007fff6eb31810 [ 51.534553][ T412] RBP: 00007fff6eb31810 R08: 00000000ffffffff R09: 00007fff6eb315e0 [ 51.542846][ T412] R10: 0000555556758ba3 R11: 0000000000000246 R12: 00007f69314161f8 [ 51.550839][ T412] R13: 00007fff6eb328d0 R14: 0000555556758b00 R15: 00007fff6eb32910 [ 51.558853][ T412] ---[ end trace fca5e2e0f619f9e1 ]--- [ 51.564470][ T412] ------------[ cut here ]------------ [ 51.569970][ T412] WARNING: CPU: 1 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 51.579009][ C1] !!! css_killed_ref_fn css ffff88810f150800 !!! [ 51.579029][ C1] !!! css_killed_ref_fn css ffff88810f153800 !!! [ 51.591700][ T412] Modules linked in: [ 51.595615][ T412] CPU: 1 PID: 412 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 51.607527][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.617617][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 51.623319][ T412] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 51.642937][ T412] RSP: 0018:ffffc90000f07dd0 EFLAGS: 00010293 [ 51.649011][ T412] RAX: ffffffff81af07bc RBX: ffff88810c494560 RCX: ffff88810526eac0 [ 51.657083][ T412] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 51.665157][ T412] RBP: ffffc90000f07e40 R08: ffffffff81af04e7 R09: fffff520001e0fb2 [ 51.673151][ T412] R10: fffff520001e0fb2 R11: 1ffff920001e0fb1 R12: dffffc0000000000 [ 51.681120][ T412] R13: ffff88810c494480 R14: 00000000fffffffe R15: 0000000000000000 [ 51.689114][ T412] FS: 0000555556757400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 51.698148][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.704826][ T412] CR2: 0000555555e1fb78 CR3: 000000011a824000 CR4: 00000000003506a0 [ 51.713287][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.721823][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.729933][ T412] Call Trace: [ 51.733238][ T412] path_umount+0x1ad/0xed0 [ 51.737676][ T412] __x64_sys_umount+0xe8/0x110 [ 51.742471][ T412] do_syscall_64+0x34/0x70 [ 51.746894][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.752805][ T412] RIP: 0033:0x7f69313be557 [ 51.757236][ T412] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.777043][ T412] RSP: 002b:00007fff6eb31748 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 51.785687][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69313be557 [ 51.794116][ T412] RDX: 00007fff6eb31819 RSI: 000000000000000a RDI: 00007fff6eb31810 [ 51.802301][ T412] RBP: 00007fff6eb31810 R08: 00000000ffffffff R09: 00007fff6eb315e0 [ 51.810707][ T412] R10: 0000555556758ba3 R11: 0000000000000246 R12: 00007f69314161f8 [ 51.818919][ T412] R13: 00007fff6eb328d0 R14: 0000555556758b00 R15: 00007fff6eb32910 [ 51.827036][ T412] ---[ end trace fca5e2e0f619f9e2 ]--- [ 51.832566][ T19] !!! css_put is ALREADY zero css or dying ffff88810f150800 !!! [ 51.840428][ T24] !!! css_put is ALREADY zero css or dying ffff88810f153800 !!! [ 51.850063][ T525] !!! css_create !!! [ 51.854525][ T525] !!! css_create !!! [ 51.858595][ T525] !!! css_create !!! [ 51.862769][ T525] FAULT_INJECTION: forcing a failure. [ 51.862769][ T525] name failslab, interval 1, probability 0, space 0, times 0 [ 51.875571][ T525] CPU: 1 PID: 525 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 51.887561][ T525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.897721][ T525] Call Trace: [ 51.901008][ T525] dump_stack+0x19c/0x1e2 [ 51.905323][ T525] should_fail+0x3f7/0x5b0 [ 51.909811][ T525] __should_failslab+0xd2/0x130 [ 51.914758][ T525] should_failslab+0x9/0x20 [ 51.919521][ T525] slab_pre_alloc_hook+0x25/0xe0 [ 51.924473][ T525] ? __kernfs_new_node+0x4c/0x6d0 [ 51.929546][ T525] __kmalloc_track_caller+0x70/0x300 [ 51.935003][ T525] ? __kernfs_new_node+0x4c/0x6d0 [ 51.940103][ T525] kstrdup_const+0x55/0x90 [ 51.944687][ T525] __kernfs_new_node+0x4c/0x6d0 [ 51.949517][ T525] ? string+0x29f/0x2b0 [ 51.953665][ T525] ? vsnprintf+0x1a6c/0x1b30 [ 51.958252][ T525] kernfs_new_node+0x97/0x170 [ 51.963174][ T525] __kernfs_create_file+0x4a/0x270 [ 51.968283][ T525] cgroup_addrm_files+0x99e/0xeb0 [ 51.973297][ T525] ? delete_node+0x747/0x7a0 [ 51.977874][ T525] ? node_tag_clear+0x1a0/0x2c0 [ 51.982707][ T525] css_populate_dir+0x137/0x370 [ 51.987542][ T525] cgroup_apply_control_enable+0x31e/0xfc0 [ 51.993337][ T525] cgroup_apply_control+0x36/0x710 [ 51.998444][ T525] ? init_wait_entry+0xe0/0xe0 [ 52.003291][ T525] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.008653][ T525] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.014622][ T525] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.020677][ T525] cgroup_file_write+0x22f/0x4f0 [ 52.025607][ T525] kernfs_fop_write_iter+0x2cd/0x410 [ 52.030879][ T525] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.035972][ T525] vfs_write+0xb57/0xe50 [ 52.040253][ T525] ksys_write+0x157/0x260 [ 52.044572][ T525] __x64_sys_write+0x7b/0x90 [ 52.049145][ T525] do_syscall_64+0x34/0x70 [ 52.053752][ T525] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.059629][ T525] RIP: 0033:0x7f773a1c40e9 [ 52.064043][ T525] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.083981][ T525] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.092527][ T525] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 52.100587][ T525] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.108681][ T525] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.116743][ T525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.124709][ T525] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 52.133782][ T525] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.140826][ T525] !!! cgroup_apply_control_disable [ 52.145970][ T525] !!! cgroup_apply_control_disable kill_css ffff88810f50e800 [ 52.154083][ T525] !!! cgroup_apply_control_disable kill_css ffff88810f50f400 [ 52.161725][ T525] !!! cgroup_apply_control_disable kill_css ffff88810f4ea400 [ 52.171220][ T411] ------------[ cut here ]------------ [ 52.176950][ T411] WARNING: CPU: 0 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 52.185918][ T411] Modules linked in: [ 52.189817][ T411] CPU: 0 PID: 411 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 52.202086][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.212406][ T411] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 52.218025][ T411] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 52.237760][ T411] RSP: 0018:ffffc90000ef7d58 EFLAGS: 00010293 [ 52.243868][ T411] RAX: ffffffff81af07bc RBX: ffff88810c884b60 RCX: ffff88810527db80 [ 52.251831][ T411] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 52.259947][ T411] RBP: ffffc90000ef7dc8 R08: ffffffff81af04e7 R09: fffff520001defa3 [ 52.268092][ T411] R10: fffff520001defa3 R11: 1ffff920001defa2 R12: dffffc0000000000 [ 52.276083][ T411] R13: ffff88810c884a80 R14: 00000000fffffffd R15: 0000000000000000 [ 52.284076][ T411] FS: 0000555556bbd400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 52.293044][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.299642][ T411] CR2: 00007ffd8e5e4f98 CR3: 00000001149a9000 CR4: 00000000003506b0 [ 52.307734][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.316007][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.324250][ T411] Call Trace: [ 52.328007][ T411] ? init_wait_entry+0xe0/0xe0 [ 52.332818][ T411] ? up_write+0x68/0x140 [ 52.337067][ T411] namespace_unlock+0x377/0x420 [ 52.341911][ T411] path_umount+0xe23/0xed0 [ 52.346363][ T411] __x64_sys_umount+0xe8/0x110 [ 52.351211][ T411] do_syscall_64+0x34/0x70 [ 52.355943][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.362002][ T411] RIP: 0033:0x7f773a1c5557 [ 52.366413][ T411] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.386583][ T411] RSP: 002b:00007ffd8e5e51f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 52.395050][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f773a1c5557 [ 52.403086][ T411] RDX: 00007ffd8e5e52c9 RSI: 000000000000000a RDI: 00007ffd8e5e52c0 [ 52.411258][ T411] RBP: 00007ffd8e5e52c0 R08: 00000000ffffffff R09: 00007ffd8e5e5090 [ 52.419407][ T411] R10: 0000555556bbeba3 R11: 0000000000000246 R12: 00007f773a21d1f8 [ 52.427619][ T411] R13: 00007ffd8e5e6380 R14: 0000555556bbeb00 R15: 00007ffd8e5e63c0 [ 52.435632][ T411] ---[ end trace fca5e2e0f619f9e3 ]--- [ 52.441334][ T411] ------------[ cut here ]------------ [ 52.447118][ T411] WARNING: CPU: 0 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 52.452009][ C1] !!! css_killed_ref_fn css ffff88810f50e800 !!! [ 52.456264][ T411] Modules linked in: [ 52.462591][ C1] !!! css_killed_ref_fn css ffff88810f50f400 !!! [ 52.466490][ T411] CPU: 0 PID: 411 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 52.473324][ C1] !!! css_killed_ref_fn css ffff88810f4ea400 !!! [ 52.473449][ T19] !!! css_put is ALREADY zero css or dying ffff88810f50e800 !!! [ 52.487144][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.493711][ T24] !!! css_put is ALREADY zero css or dying ffff88810f50f400 !!! [ 52.500606][ T411] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 52.500623][ T411] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 52.511488][ T24] !!! css_put is ALREADY zero css or dying ffff88810f4ea400 !!! [ 52.518893][ T411] RSP: 0018:ffffc90000ef7dd0 EFLAGS: 00010293 [ 52.518917][ T411] RAX: ffffffff81af07bc RBX: ffff88810c884b60 RCX: ffff88810527db80 [ 52.524892][ T504] !!! css_create !!! [ 52.544420][ T411] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: 0000000000000000 [ 52.552438][ T504] !!! css_create !!! [ 52.558450][ T411] RBP: ffffc90000ef7e40 R08: ffffffff81af04e7 R09: fffff520001defb2 [ 52.566940][ T504] !!! css_create !!! [ 52.570483][ T411] R10: fffff520001defb2 R11: 1ffff920001defb1 R12: dffffc0000000000 [ 52.570491][ T411] R13: ffff88810c884a80 R14: 00000000fffffffc R15: 0000000000000000 [ 52.570507][ T411] FS: 0000555556bbd400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 52.578902][ T504] FAULT_INJECTION: forcing a failure. [ 52.578902][ T504] name failslab, interval 1, probability 0, space 0, times 0 [ 52.582499][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.582506][ T411] CR2: 00007ffd8e5e4f98 CR3: 00000001149a9000 CR4: 00000000003506b0 [ 52.582521][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.591149][ T504] CPU: 1 PID: 504 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 52.594736][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.602741][ T504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.602745][ T504] Call Trace: [ 52.602760][ T504] dump_stack+0x19c/0x1e2 [ 52.602772][ T504] should_fail+0x3f7/0x5b0 [ 52.602782][ T504] __should_failslab+0xd2/0x130 [ 52.602797][ T504] should_failslab+0x9/0x20 [ 52.610742][ T411] Call Trace: [ 52.619650][ T504] slab_pre_alloc_hook+0x25/0xe0 [ 52.619665][ T504] ? __kernfs_new_node+0x4c/0x6d0 [ 52.619681][ T504] __kmalloc_track_caller+0x70/0x300 [ 52.632393][ T411] path_umount+0x1ad/0xed0 [ 52.638930][ T504] ? __kernfs_new_node+0x4c/0x6d0 [ 52.647261][ T411] __x64_sys_umount+0xe8/0x110 [ 52.655179][ T504] kstrdup_const+0x55/0x90 [ 52.655189][ T504] __kernfs_new_node+0x4c/0x6d0 [ 52.655206][ T504] ? string+0x29f/0x2b0 [ 52.666753][ T411] do_syscall_64+0x34/0x70 [ 52.674663][ T504] ? vsnprintf+0x1a6c/0x1b30 [ 52.674674][ T504] kernfs_new_node+0x97/0x170 [ 52.674690][ T504] __kernfs_create_file+0x4a/0x270 [ 52.684740][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.688007][ T504] cgroup_addrm_files+0x99e/0xeb0 [ 52.692318][ T411] RIP: 0033:0x7f773a1c5557 [ 52.696874][ T504] ? delete_node+0x747/0x7a0 [ 52.702161][ T411] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.706712][ T504] ? node_tag_clear+0x1a0/0x2c0 [ 52.709967][ T411] RSP: 002b:00007ffd8e5e51f8 EFLAGS: 00000246 [ 52.714875][ T504] css_populate_dir+0x137/0x370 [ 52.714886][ T504] cgroup_apply_control_enable+0x31e/0xfc0 [ 52.714901][ T504] cgroup_apply_control+0x36/0x710 [ 52.719915][ T411] ORIG_RAX: 00000000000000a6 [ 52.725168][ T504] ? init_wait_entry+0xe0/0xe0 [ 52.725178][ T504] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.725188][ T504] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.725198][ T504] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.725213][ T504] cgroup_file_write+0x22f/0x4f0 [ 52.729805][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f773a1c5557 [ 52.734820][ T504] kernfs_fop_write_iter+0x2cd/0x410 [ 52.734831][ T504] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.734840][ T504] vfs_write+0xb57/0xe50 [ 52.734851][ T504] ksys_write+0x157/0x260 [ 52.734866][ T504] __x64_sys_write+0x7b/0x90 [ 52.739625][ T411] RDX: 00007ffd8e5e52c9 RSI: 000000000000000a RDI: 00007ffd8e5e52c0 [ 52.744102][ T504] do_syscall_64+0x34/0x70 [ 52.744114][ T504] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.744128][ T504] RIP: 0033:0x7f79b35de0e9 [ 52.748958][ T411] RBP: 00007ffd8e5e52c0 R08: 00000000ffffffff R09: 00007ffd8e5e5090 [ 52.753087][ T504] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.753099][ T504] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.757522][ T411] R10: 0000555556bbeba3 R11: 0000000000000246 R12: 00007f773a21d1f8 [ 52.762262][ T504] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 52.762269][ T504] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.762275][ T504] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.762288][ T504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.767021][ T411] R13: 00007ffd8e5e6380 R14: 0000555556bbeb00 R15: 00007ffd8e5e63c0 [ 52.772102][ T504] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 2022/05/31 19:48:14 executed programs: 38 [ 52.774603][ T504] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.777984][ T411] ---[ end trace fca5e2e0f619f9e4 ]--- [ 53.031591][ T504] !!! cgroup_apply_control_disable [ 53.037171][ T504] !!! cgroup_apply_control_disable kill_css ffff88810f430c00 [ 53.044836][ T504] !!! cgroup_apply_control_disable kill_css ffff88810f431800 [ 53.052429][ T504] !!! cgroup_apply_control_disable kill_css ffff88810f433400 [ 53.061089][ T406] ------------[ cut here ]------------ [ 53.067838][ T406] WARNING: CPU: 1 PID: 406 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 53.076895][ T406] Modules linked in: [ 53.080823][ T406] CPU: 1 PID: 406 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 53.092395][ T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.102642][ T406] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 53.108526][ T406] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 53.122706][ C0] !!! css_killed_ref_fn css ffff88810f430c00 !!! [ 53.129264][ T406] RSP: 0018:ffffc90000ea7d58 EFLAGS: 00010293 [ 53.135120][ T5] !!! css_put is ALREADY zero css or dying ffff88810f430c00 !!! [ 53.140923][ T406] RAX: ffffffff81af07bc RBX: ffff88810c4943e0 RCX: ffff888107d8bd00 [ 53.140930][ T406] RDX: 0000000000000000 RSI: 00000000fffffffb RDI: 0000000000000000 [ 53.140950][ T406] RBP: ffffc90000ea7dc8 R08: ffffffff81af04e7 R09: fffff520001d4fa3 [ 53.172609][ T406] R10: fffff520001d4fa3 R11: 1ffff920001d4fa2 R12: dffffc0000000000 [ 53.180655][ T406] R13: ffff88810c494300 R14: 00000000fffffffb R15: 0000000000000000 [ 53.188649][ T406] FS: 000055555631e400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 53.197599][ T406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.204391][ T406] CR2: 00007fff2cde4cc8 CR3: 0000000109141000 CR4: 00000000003506a0 [ 53.212506][ T406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.220464][ T406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.228538][ T406] Call Trace: [ 53.231922][ T406] ? init_wait_entry+0xe0/0xe0 [ 53.236699][ T406] ? up_write+0x68/0x140 [ 53.240941][ T406] namespace_unlock+0x377/0x420 [ 53.245817][ T406] path_umount+0xe23/0xed0 [ 53.250278][ T406] __x64_sys_umount+0xe8/0x110 [ 53.255078][ T406] do_syscall_64+0x34/0x70 [ 53.259582][ T406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.265577][ T406] RIP: 0033:0x7f79b35df557 [ 53.270010][ T406] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.290467][ T406] RSP: 002b:00007fff2cde5408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 53.298921][ T406] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79b35df557 [ 53.307152][ T406] RDX: 00007fff2cde54d9 RSI: 000000000000000a RDI: 00007fff2cde54d0 [ 53.315240][ T406] RBP: 00007fff2cde54d0 R08: 00000000ffffffff R09: 00007fff2cde52a0 [ 53.323246][ T406] R10: 000055555631fba3 R11: 0000000000000246 R12: 00007f79b36371f8 [ 53.331596][ T406] R13: 00007fff2cde6590 R14: 000055555631fb00 R15: 00007fff2cde65d0 [ 53.339575][ T406] ---[ end trace fca5e2e0f619f9e5 ]--- [ 53.345114][ T406] ------------[ cut here ]------------ [ 53.350620][ T406] WARNING: CPU: 0 PID: 406 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 53.359843][ T406] Modules linked in: [ 53.363787][ T406] CPU: 0 PID: 406 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 53.375349][ T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.385483][ T406] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 53.391285][ T406] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 53.411173][ T406] RSP: 0018:ffffc90000ea7dd0 EFLAGS: 00010293 [ 53.417251][ T406] RAX: ffffffff81af07bc RBX: ffff88810c4943e0 RCX: ffff888107d8bd00 [ 53.425749][ T406] RDX: 0000000000000000 RSI: 00000000fffffffa RDI: 0000000000000000 [ 53.433806][ T406] RBP: ffffc90000ea7e40 R08: ffffffff81af04e7 R09: fffff520001d4fb2 [ 53.441793][ T406] R10: fffff520001d4fb2 R11: 1ffff920001d4fb1 R12: dffffc0000000000 [ 53.450066][ T406] R13: ffff88810c494300 R14: 00000000fffffffa R15: 0000000000000000 [ 53.458042][ T406] FS: 000055555631e400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 53.467276][ T406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.473905][ T406] CR2: 00007f693240d448 CR3: 0000000109141000 CR4: 00000000003506b0 [ 53.482128][ T406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.490188][ T406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.498640][ T406] Call Trace: [ 53.501928][ T406] path_umount+0x1ad/0xed0 [ 53.506374][ T406] __x64_sys_umount+0xe8/0x110 [ 53.511219][ T406] do_syscall_64+0x34/0x70 [ 53.515924][ T406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.521897][ T406] RIP: 0033:0x7f79b35df557 [ 53.526349][ T406] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.546242][ T406] RSP: 002b:00007fff2cde5408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 53.554784][ T406] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79b35df557 [ 53.562874][ T406] RDX: 00007fff2cde54d9 RSI: 000000000000000a RDI: 00007fff2cde54d0 [ 53.570838][ T406] RBP: 00007fff2cde54d0 R08: 00000000ffffffff R09: 00007fff2cde52a0 [ 53.578824][ T406] R10: 000055555631fba3 R11: 0000000000000246 R12: 00007f79b36371f8 [ 53.586833][ T406] R13: 00007fff2cde6590 R14: 000055555631fb00 R15: 00007fff2cde65d0 [ 53.595016][ T406] ---[ end trace fca5e2e0f619f9e6 ]--- [ 53.601978][ C1] !!! css_killed_ref_fn css ffff88810f431800 !!! [ 53.608373][ C1] !!! css_killed_ref_fn css ffff88810f433400 !!! [ 53.615312][ T24] !!! css_put is ALREADY zero css or dying ffff88810f431800 !!! [ 53.623139][ T24] !!! css_put is ALREADY zero css or dying ffff88810f433400 !!! [ 53.631307][ T536] !!! css_create !!! [ 53.635765][ T536] !!! css_create !!! [ 53.639732][ T536] !!! css_create !!! [ 53.643861][ T536] FAULT_INJECTION: forcing a failure. [ 53.643861][ T536] name failslab, interval 1, probability 0, space 0, times 0 [ 53.656812][ T536] CPU: 1 PID: 536 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 53.668547][ T536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.678667][ T536] Call Trace: [ 53.682158][ T536] dump_stack+0x19c/0x1e2 [ 53.686706][ T536] should_fail+0x3f7/0x5b0 [ 53.691143][ T536] __should_failslab+0xd2/0x130 [ 53.696156][ T536] should_failslab+0x9/0x20 [ 53.700991][ T536] slab_pre_alloc_hook+0x25/0xe0 [ 53.705912][ T536] ? __kernfs_new_node+0x4c/0x6d0 [ 53.710917][ T536] __kmalloc_track_caller+0x70/0x300 [ 53.716232][ T536] ? __kernfs_new_node+0x4c/0x6d0 [ 53.721605][ T536] kstrdup_const+0x55/0x90 [ 53.726215][ T536] __kernfs_new_node+0x4c/0x6d0 [ 53.731200][ T536] ? string+0x29f/0x2b0 [ 53.735455][ T536] ? vsnprintf+0x1a6c/0x1b30 [ 53.740206][ T536] kernfs_new_node+0x97/0x170 [ 53.744974][ T536] __kernfs_create_file+0x4a/0x270 [ 53.750260][ T536] cgroup_addrm_files+0x99e/0xeb0 [ 53.755290][ T536] ? delete_node+0x747/0x7a0 [ 53.759966][ T536] ? node_tag_clear+0x1a0/0x2c0 [ 53.764843][ T536] css_populate_dir+0x137/0x370 [ 53.769688][ T536] cgroup_apply_control_enable+0x31e/0xfc0 [ 53.775509][ T536] cgroup_apply_control+0x36/0x710 [ 53.780862][ T536] ? init_wait_entry+0xe0/0xe0 [ 53.785632][ T536] ? cgroup_kn_lock_live+0x1af/0x370 [ 53.791089][ T536] cgroup_subtree_control_write+0xd05/0x12d0 [ 53.797054][ T536] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 53.803024][ T536] cgroup_file_write+0x22f/0x4f0 [ 53.808231][ T536] kernfs_fop_write_iter+0x2cd/0x410 [ 53.813655][ T536] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.818777][ T536] vfs_write+0xb57/0xe50 [ 53.823707][ T536] ksys_write+0x157/0x260 [ 53.828029][ T536] __x64_sys_write+0x7b/0x90 [ 53.832689][ T536] do_syscall_64+0x34/0x70 [ 53.837091][ T536] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.842963][ T536] RIP: 0033:0x7f2442a680e9 [ 53.847357][ T536] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.867236][ T536] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.875726][ T536] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 53.883958][ T536] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.892087][ T536] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.900057][ T536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.908255][ T536] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 53.917193][ T536] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 53.924645][ T536] !!! cgroup_apply_control_disable [ 53.930069][ T536] !!! cgroup_apply_control_disable kill_css ffff88810f495800 [ 53.937874][ T536] !!! cgroup_apply_control_disable kill_css ffff88810f496000 [ 53.945925][ T536] !!! cgroup_apply_control_disable kill_css ffff88810f496800 [ 53.953784][ C0] !!! css_killed_ref_fn css ffff88810f495800 !!! [ 53.960388][ T5] !!! css_put is ALREADY zero css or dying ffff88810f495800 !!! [ 53.968069][ C0] !!! css_killed_ref_fn css ffff88810f496000 !!! [ 53.974462][ T5] !!! css_put is ALREADY zero css or dying ffff88810f496000 !!! [ 53.991964][ C0] !!! css_killed_ref_fn css ffff88810f496800 !!! [ 53.998379][ T5] !!! css_put is ALREADY zero css or dying ffff88810f496800 !!! [ 54.006347][ T533] !!! css_create !!! [ 54.010593][ T533] !!! css_create !!! [ 54.015131][ T533] !!! css_create !!! [ 54.019070][ T533] FAULT_INJECTION: forcing a failure. [ 54.019070][ T533] name failslab, interval 1, probability 0, space 0, times 0 [ 54.031855][ T533] CPU: 0 PID: 533 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 54.043546][ T533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.053918][ T533] Call Trace: [ 54.057285][ T533] dump_stack+0x19c/0x1e2 [ 54.061632][ T533] should_fail+0x3f7/0x5b0 [ 54.066129][ T533] __should_failslab+0xd2/0x130 [ 54.070975][ T533] should_failslab+0x9/0x20 [ 54.075555][ T533] slab_pre_alloc_hook+0x25/0xe0 [ 54.080564][ T533] kmem_cache_alloc_trace+0x47/0x2b0 [ 54.085851][ T533] ? percpu_ref_init+0xd0/0x330 [ 54.090780][ T533] percpu_ref_init+0xd0/0x330 [ 54.095465][ T533] ? cgroup_setup_root+0x8a0/0x8a0 [ 54.100682][ T533] cgroup_apply_control_enable+0x49f/0xfc0 [ 54.106561][ T533] cgroup_apply_control+0x36/0x710 [ 54.112010][ T533] ? init_wait_entry+0xe0/0xe0 [ 54.116765][ T533] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.122422][ T533] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.128430][ T533] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.134406][ T533] cgroup_file_write+0x22f/0x4f0 [ 54.139337][ T533] kernfs_fop_write_iter+0x2cd/0x410 [ 54.144727][ T533] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.150053][ T533] vfs_write+0xb57/0xe50 [ 54.154320][ T533] ksys_write+0x157/0x260 [ 54.158725][ T533] __x64_sys_write+0x7b/0x90 [ 54.163576][ T533] do_syscall_64+0x34/0x70 [ 54.167995][ T533] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.173896][ T533] RIP: 0033:0x7f37291a60e9 [ 54.178293][ T533] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.198054][ T533] RSP: 002b:00007f372911c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.206743][ T533] RAX: ffffffffffffffda RBX: 00007f37292b8f60 RCX: 00007f37291a60e9 [ 54.215002][ T533] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.223333][ T533] RBP: 00007f372911c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.231479][ T533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.239619][ T533] R13: 00007ffcc0be84df R14: 00007f372911c300 R15: 0000000000022000 [ 54.248288][ T533] !!! cgroup_apply_control_disable [ 54.253702][ T533] !!! cgroup_apply_control_disable kill_css ffff88810f830800 [ 54.261391][ T533] !!! cgroup_apply_control_disable kill_css ffff88810f76c800 [ 54.292009][ C0] !!! css_killed_ref_fn css ffff88810f830800 !!! [ 54.298593][ T5] !!! css_put is ALREADY zero css or dying ffff88810f830800 !!! [ 54.306680][ C0] !!! css_killed_ref_fn css ffff88810f76c800 !!! [ 54.313103][ T5] !!! css_put is ALREADY zero css or dying ffff88810f76c800 !!! [ 54.321059][ T554] !!! css_create !!! [ 54.325458][ T554] !!! css_create !!! [ 54.329513][ T554] !!! css_create !!! [ 54.333722][ T554] FAULT_INJECTION: forcing a failure. [ 54.333722][ T554] name failslab, interval 1, probability 0, space 0, times 0 [ 54.346679][ T554] CPU: 1 PID: 554 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 54.358205][ T554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.368262][ T554] Call Trace: [ 54.371535][ T554] dump_stack+0x19c/0x1e2 [ 54.375850][ T554] should_fail+0x3f7/0x5b0 [ 54.380367][ T554] __should_failslab+0xd2/0x130 [ 54.385198][ T554] should_failslab+0x9/0x20 [ 54.389880][ T554] slab_pre_alloc_hook+0x25/0xe0 [ 54.394803][ T554] ? __kernfs_new_node+0x4c/0x6d0 [ 54.399837][ T554] __kmalloc_track_caller+0x70/0x300 [ 54.405108][ T554] ? __kernfs_new_node+0x4c/0x6d0 [ 54.411134][ T554] kstrdup_const+0x55/0x90 [ 54.415537][ T554] __kernfs_new_node+0x4c/0x6d0 [ 54.420560][ T554] ? string+0x29f/0x2b0 [ 54.425134][ T554] ? vsnprintf+0x1a6c/0x1b30 [ 54.429706][ T554] kernfs_new_node+0x97/0x170 [ 54.434470][ T554] __kernfs_create_file+0x4a/0x270 [ 54.441840][ T554] cgroup_addrm_files+0x99e/0xeb0 [ 54.446860][ T554] ? delete_node+0x747/0x7a0 [ 54.451424][ T554] ? node_tag_clear+0x1a0/0x2c0 [ 54.456265][ T554] css_populate_dir+0x137/0x370 [ 54.461557][ T554] cgroup_apply_control_enable+0x31e/0xfc0 [ 54.467345][ T554] cgroup_apply_control+0x36/0x710 [ 54.472536][ T554] ? init_wait_entry+0xe0/0xe0 [ 54.477310][ T554] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.483032][ T554] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.489547][ T554] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.495595][ T554] cgroup_file_write+0x22f/0x4f0 [ 54.500771][ T554] kernfs_fop_write_iter+0x2cd/0x410 [ 54.506045][ T554] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.511224][ T554] vfs_write+0xb57/0xe50 [ 54.515449][ T554] ksys_write+0x157/0x260 [ 54.519774][ T554] __x64_sys_write+0x7b/0x90 [ 54.524347][ T554] do_syscall_64+0x34/0x70 [ 54.528741][ T554] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.534625][ T554] RIP: 0033:0x7fa1a960b0e9 [ 54.539028][ T554] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.559439][ T554] RSP: 002b:00007fa1a9581168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.567931][ T554] RAX: ffffffffffffffda RBX: 00007fa1a971df60 RCX: 00007fa1a960b0e9 [ 54.575893][ T554] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.584115][ T554] RBP: 00007fa1a95811d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.592060][ T554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.600182][ T554] R13: 00007ffe61cbc00f R14: 00007fa1a9581300 R15: 0000000000022000 [ 54.608536][ T554] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.615867][ T554] !!! cgroup_apply_control_disable [ 54.621048][ T554] !!! cgroup_apply_control_disable kill_css ffff88810cfee400 [ 54.628693][ T554] !!! cgroup_apply_control_disable kill_css ffff88810cfed400 [ 54.636232][ T554] !!! cgroup_apply_control_disable kill_css ffff88810f287800 [ 54.644402][ C1] !!! css_killed_ref_fn css ffff88810cfee400 !!! [ 54.650864][ T19] !!! css_put is ALREADY zero css or dying ffff88810cfee400 !!! [ 54.659108][ C0] !!! css_killed_ref_fn css ffff88810cfed400 !!! [ 54.665581][ T5] !!! css_put is ALREADY zero css or dying ffff88810cfed400 !!! [ 54.673350][ C0] !!! css_killed_ref_fn css ffff88810f287800 !!! [ 54.679795][ T5] !!! css_put is ALREADY zero css or dying ffff88810f287800 !!! [ 54.687866][ T564] !!! css_create !!! [ 54.691873][ T564] !!! css_create !!! [ 54.695937][ T564] !!! css_create !!! [ 54.699894][ T564] FAULT_INJECTION: forcing a failure. [ 54.699894][ T564] name failslab, interval 1, probability 0, space 0, times 0 [ 54.712668][ T564] CPU: 0 PID: 564 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 54.724458][ T564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.734534][ T564] Call Trace: [ 54.737897][ T564] dump_stack+0x19c/0x1e2 [ 54.742477][ T564] should_fail+0x3f7/0x5b0 [ 54.747143][ T564] __should_failslab+0xd2/0x130 [ 54.752004][ T564] should_failslab+0x9/0x20 [ 54.756747][ T564] slab_pre_alloc_hook+0x25/0xe0 [ 54.761786][ T564] kmem_cache_alloc_trace+0x47/0x2b0 [ 54.767069][ T564] ? percpu_ref_init+0xd0/0x330 [ 54.772145][ T564] percpu_ref_init+0xd0/0x330 [ 54.776812][ T564] ? cgroup_setup_root+0x8a0/0x8a0 [ 54.781976][ T564] cgroup_apply_control_enable+0x49f/0xfc0 [ 54.787773][ T564] cgroup_apply_control+0x36/0x710 [ 54.792969][ T564] ? init_wait_entry+0xe0/0xe0 [ 54.797720][ T564] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.803175][ T564] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.809135][ T564] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.815205][ T564] cgroup_file_write+0x22f/0x4f0 [ 54.820221][ T564] kernfs_fop_write_iter+0x2cd/0x410 [ 54.825495][ T564] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.830630][ T564] vfs_write+0xb57/0xe50 [ 54.834862][ T564] ksys_write+0x157/0x260 [ 54.839348][ T564] __x64_sys_write+0x7b/0x90 [ 54.843918][ T564] do_syscall_64+0x34/0x70 [ 54.848407][ T564] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.854334][ T564] RIP: 0033:0x7f37291a60e9 [ 54.858735][ T564] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.880358][ T564] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.888765][ T564] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 54.896724][ T564] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.904791][ T564] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.912831][ T564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.921137][ T564] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 54.929616][ T564] !!! cgroup_apply_control_disable [ 54.934914][ T564] !!! cgroup_apply_control_disable kill_css ffff88810f989000 [ 54.942797][ T564] !!! cgroup_apply_control_disable kill_css ffff88810f988000 [ 54.981961][ C0] !!! css_killed_ref_fn css ffff88810f989000 !!! [ 54.988425][ C0] !!! css_killed_ref_fn css ffff88810f988000 !!! [ 54.994857][ T74] !!! css_put is ALREADY zero css or dying ffff88810f989000 !!! [ 55.002854][ T74] !!! css_put is ALREADY zero css or dying ffff88810f988000 !!! [ 55.010709][ T560] !!! css_create !!! [ 55.014936][ T560] !!! css_create !!! [ 55.019128][ T560] !!! css_create !!! [ 55.023284][ T560] FAULT_INJECTION: forcing a failure. [ 55.023284][ T560] name failslab, interval 1, probability 0, space 0, times 0 [ 55.036244][ T560] CPU: 1 PID: 560 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 55.048799][ T560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.059059][ T560] Call Trace: [ 55.062413][ T560] dump_stack+0x19c/0x1e2 [ 55.066817][ T560] should_fail+0x3f7/0x5b0 [ 55.071466][ T560] __should_failslab+0xd2/0x130 [ 55.076393][ T560] should_failslab+0x9/0x20 [ 55.080889][ T560] slab_pre_alloc_hook+0x25/0xe0 [ 55.085798][ T560] kmem_cache_alloc_trace+0x47/0x2b0 [ 55.091057][ T560] ? percpu_ref_init+0xd0/0x330 [ 55.095889][ T560] percpu_ref_init+0xd0/0x330 [ 55.100545][ T560] ? cgroup_setup_root+0x8a0/0x8a0 [ 55.105819][ T560] cgroup_apply_control_enable+0x49f/0xfc0 [ 55.111601][ T560] cgroup_apply_control+0x36/0x710 [ 55.116700][ T560] ? init_wait_entry+0xe0/0xe0 [ 55.121524][ T560] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.126871][ T560] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.132823][ T560] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.138775][ T560] cgroup_file_write+0x22f/0x4f0 [ 55.143775][ T560] kernfs_fop_write_iter+0x2cd/0x410 [ 55.149048][ T560] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.154147][ T560] vfs_write+0xb57/0xe50 [ 55.158367][ T560] ksys_write+0x157/0x260 [ 55.162755][ T560] __x64_sys_write+0x7b/0x90 [ 55.167324][ T560] do_syscall_64+0x34/0x70 [ 55.171892][ T560] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.177759][ T560] RIP: 0033:0x7f79b35de0e9 [ 55.182149][ T560] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.203245][ T560] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.211967][ T560] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 55.220079][ T560] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.228143][ T560] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.236104][ T560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.244312][ T560] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 55.252565][ T560] !!! cgroup_apply_control_disable [ 55.258798][ T560] !!! cgroup_apply_control_disable kill_css ffff88810fbc7800 [ 55.266552][ T560] !!! cgroup_apply_control_disable kill_css ffff88810fbc6000 [ 55.302017][ C1] !!! css_killed_ref_fn css ffff88810fbc6000 !!! [ 55.308594][ T24] !!! css_put is ALREADY zero css or dying ffff88810fbc6000 !!! [ 55.311979][ C0] !!! css_killed_ref_fn css ffff88810fbc7800 !!! [ 55.323038][ T5] !!! css_put is ALREADY zero css or dying ffff88810fbc7800 !!! [ 55.330689][ T570] !!! css_create !!! [ 55.334703][ T570] !!! css_create !!! [ 55.339181][ T570] !!! css_create !!! [ 55.343470][ T570] FAULT_INJECTION: forcing a failure. [ 55.343470][ T570] name failslab, interval 1, probability 0, space 0, times 0 [ 55.356276][ T570] CPU: 0 PID: 570 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 55.368236][ T570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.378363][ T570] Call Trace: [ 55.381634][ T570] dump_stack+0x19c/0x1e2 [ 55.386043][ T570] should_fail+0x3f7/0x5b0 [ 55.390706][ T570] __should_failslab+0xd2/0x130 [ 55.395544][ T570] should_failslab+0x9/0x20 [ 55.400037][ T570] slab_pre_alloc_hook+0x25/0xe0 [ 55.404989][ T570] kmem_cache_alloc_trace+0x47/0x2b0 [ 55.410528][ T570] ? percpu_ref_init+0xd0/0x330 [ 55.415374][ T570] percpu_ref_init+0xd0/0x330 [ 55.420052][ T570] ? cgroup_setup_root+0x8a0/0x8a0 [ 55.425334][ T570] cgroup_apply_control_enable+0x49f/0xfc0 [ 55.431282][ T570] cgroup_apply_control+0x36/0x710 [ 55.436499][ T570] ? init_wait_entry+0xe0/0xe0 [ 55.441500][ T570] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.446891][ T570] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.453037][ T570] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.459218][ T570] cgroup_file_write+0x22f/0x4f0 [ 55.464156][ T570] kernfs_fop_write_iter+0x2cd/0x410 [ 55.469443][ T570] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.474800][ T570] vfs_write+0xb57/0xe50 [ 55.479044][ T570] ksys_write+0x157/0x260 [ 55.483474][ T570] __x64_sys_write+0x7b/0x90 [ 55.488079][ T570] do_syscall_64+0x34/0x70 [ 55.492563][ T570] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.498447][ T570] RIP: 0033:0x7f37291a60e9 [ 55.502984][ T570] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.522668][ T570] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.531063][ T570] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 55.539018][ T570] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.546978][ T570] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.555036][ T570] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.563086][ T570] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 55.571972][ T570] !!! cgroup_apply_control_disable [ 55.577079][ T570] !!! cgroup_apply_control_disable kill_css ffff88810ffb9800 [ 55.584516][ T570] !!! cgroup_apply_control_disable kill_css ffff88810ffc1000 [ 55.622016][ C0] !!! css_killed_ref_fn css ffff88810ffb9800 !!! [ 55.628392][ C0] !!! css_killed_ref_fn css ffff88810ffc1000 !!! [ 55.634794][ T5] !!! css_put is ALREADY zero css or dying ffff88810ffb9800 !!! [ 55.642552][ T5] !!! css_put is ALREADY zero css or dying ffff88810ffc1000 !!! [ 55.650596][ T559] !!! css_create !!! [ 55.655005][ T559] !!! css_create !!! [ 55.658997][ T559] !!! css_create !!! [ 55.663187][ T559] FAULT_INJECTION: forcing a failure. [ 55.663187][ T559] name failslab, interval 1, probability 0, space 0, times 0 [ 55.676083][ T559] CPU: 0 PID: 559 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 55.687825][ T559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.698042][ T559] Call Trace: [ 55.701440][ T559] dump_stack+0x19c/0x1e2 [ 55.705854][ T559] should_fail+0x3f7/0x5b0 [ 55.710399][ T559] __should_failslab+0xd2/0x130 [ 55.715415][ T559] should_failslab+0x9/0x20 [ 55.719977][ T559] slab_pre_alloc_hook+0x25/0xe0 [ 55.725167][ T559] ? __kernfs_new_node+0x4c/0x6d0 [ 55.730266][ T559] __kmalloc_track_caller+0x70/0x300 [ 55.735640][ T559] ? __kernfs_new_node+0x4c/0x6d0 [ 55.740669][ T559] kstrdup_const+0x55/0x90 [ 55.745084][ T559] __kernfs_new_node+0x4c/0x6d0 [ 55.749936][ T559] ? string+0x29f/0x2b0 [ 55.754435][ T559] ? vsnprintf+0x1a6c/0x1b30 [ 55.759029][ T559] kernfs_new_node+0x97/0x170 [ 55.763685][ T559] __kernfs_create_file+0x4a/0x270 [ 55.768793][ T559] cgroup_addrm_files+0x99e/0xeb0 [ 55.773795][ T559] ? delete_node+0x747/0x7a0 [ 55.778360][ T559] ? node_tag_clear+0x1a0/0x2c0 [ 55.783275][ T559] css_populate_dir+0x137/0x370 [ 55.788124][ T559] cgroup_apply_control_enable+0x31e/0xfc0 [ 55.794434][ T559] cgroup_apply_control+0x36/0x710 [ 55.799661][ T559] ? init_wait_entry+0xe0/0xe0 [ 55.804436][ T559] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.809720][ T559] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.815685][ T559] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.822515][ T559] cgroup_file_write+0x22f/0x4f0 [ 55.827433][ T559] kernfs_fop_write_iter+0x2cd/0x410 [ 55.832810][ T559] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.837988][ T559] vfs_write+0xb57/0xe50 [ 55.842302][ T559] ksys_write+0x157/0x260 [ 55.846637][ T559] __x64_sys_write+0x7b/0x90 [ 55.851428][ T559] do_syscall_64+0x34/0x70 [ 55.855827][ T559] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.861715][ T559] RIP: 0033:0x7f773a1c40e9 [ 55.866295][ T559] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.885984][ T559] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.894379][ T559] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 55.902675][ T559] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.910765][ T559] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.918725][ T559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.926800][ T559] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 55.935215][ T559] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.942495][ T559] !!! cgroup_apply_control_disable [ 55.947722][ T559] !!! cgroup_apply_control_disable kill_css ffff88810ff8e400 [ 55.955377][ T559] !!! cgroup_apply_control_disable kill_css ffff88810ff8d800 [ 55.962886][ T559] !!! cgroup_apply_control_disable kill_css ffff88810ffbac00 [ 55.992000][ C0] !!! css_killed_ref_fn css ffff88810ff8e400 !!! [ 55.998723][ T5] !!! css_put is ALREADY zero css or dying ffff88810ff8e400 !!! [ 56.006644][ C0] !!! css_killed_ref_fn css ffff88810ff8d800 !!! [ 56.006660][ C0] !!! css_killed_ref_fn css ffff88810ffbac00 !!! [ 56.019493][ T5] !!! css_put is ALREADY zero css or dying ffff88810ff8d800 !!! [ 56.027449][ T5] !!! css_put is ALREADY zero css or dying ffff88810ffbac00 !!! [ 56.035351][ T561] !!! css_create !!! [ 56.039407][ T561] !!! css_create !!! [ 56.043544][ T561] !!! css_create !!! [ 56.047499][ T561] FAULT_INJECTION: forcing a failure. [ 56.047499][ T561] name failslab, interval 1, probability 0, space 0, times 0 [ 56.060372][ T561] CPU: 1 PID: 561 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 56.071916][ T561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.081982][ T561] Call Trace: [ 56.085257][ T561] dump_stack+0x19c/0x1e2 [ 56.089798][ T561] should_fail+0x3f7/0x5b0 [ 56.095534][ T561] __should_failslab+0xd2/0x130 [ 56.100501][ T561] should_failslab+0x9/0x20 [ 56.105076][ T561] slab_pre_alloc_hook+0x25/0xe0 [ 56.110004][ T561] kmem_cache_alloc_trace+0x47/0x2b0 [ 56.115350][ T561] ? percpu_ref_init+0xd0/0x330 [ 56.120296][ T561] percpu_ref_init+0xd0/0x330 [ 56.125173][ T561] ? cgroup_setup_root+0x8a0/0x8a0 [ 56.130357][ T561] cgroup_apply_control_enable+0x49f/0xfc0 [ 56.136241][ T561] cgroup_apply_control+0x36/0x710 [ 56.141474][ T561] ? init_wait_entry+0xe0/0xe0 [ 56.146445][ T561] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.151709][ T561] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.157675][ T561] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.163637][ T561] cgroup_file_write+0x22f/0x4f0 [ 56.168560][ T561] kernfs_fop_write_iter+0x2cd/0x410 [ 56.173833][ T561] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.178936][ T561] vfs_write+0xb57/0xe50 [ 56.183182][ T561] ksys_write+0x157/0x260 [ 56.187507][ T561] __x64_sys_write+0x7b/0x90 [ 56.192244][ T561] do_syscall_64+0x34/0x70 [ 56.196646][ T561] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.202746][ T561] RIP: 0033:0x7f69313bd0e9 [ 56.207151][ T561] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.226876][ T561] RSP: 002b:00007f6931312168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.235287][ T561] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 56.243269][ T561] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.251482][ T561] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.259578][ T561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.267644][ T561] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 56.275987][ T561] !!! cgroup_apply_control_disable [ 56.281142][ T561] !!! cgroup_apply_control_disable kill_css ffff88811012a000 [ 56.288840][ T561] !!! cgroup_apply_control_disable kill_css ffff888110129800 [ 56.321964][ C0] !!! css_killed_ref_fn css ffff88811012a000 !!! [ 56.328950][ C0] !!! css_killed_ref_fn css ffff888110129800 !!! [ 56.335541][ T5] !!! css_put is ALREADY zero css or dying ffff88811012a000 !!! [ 56.343365][ T5] !!! css_put is ALREADY zero css or dying ffff888110129800 !!! [ 56.351151][ T558] !!! css_create !!! [ 56.355165][ T558] !!! css_create !!! [ 56.359117][ T558] !!! css_create !!! [ 56.363094][ T558] FAULT_INJECTION: forcing a failure. [ 56.363094][ T558] name failslab, interval 1, probability 0, space 0, times 0 [ 56.375872][ T558] CPU: 0 PID: 558 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 56.387573][ T558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.397796][ T558] Call Trace: [ 56.401088][ T558] dump_stack+0x19c/0x1e2 [ 56.405408][ T558] should_fail+0x3f7/0x5b0 [ 56.409823][ T558] __should_failslab+0xd2/0x130 [ 56.414678][ T558] should_failslab+0x9/0x20 [ 56.419267][ T558] slab_pre_alloc_hook+0x25/0xe0 [ 56.424233][ T558] ? __kernfs_new_node+0x4c/0x6d0 [ 56.429421][ T558] __kmalloc_track_caller+0x70/0x300 [ 56.434692][ T558] ? __kernfs_new_node+0x4c/0x6d0 [ 56.439706][ T558] kstrdup_const+0x55/0x90 [ 56.444114][ T558] __kernfs_new_node+0x4c/0x6d0 [ 56.448944][ T558] ? string+0x29f/0x2b0 [ 56.453081][ T558] ? vsnprintf+0x1a6c/0x1b30 [ 56.457648][ T558] kernfs_new_node+0x97/0x170 [ 56.462306][ T558] __kernfs_create_file+0x4a/0x270 [ 56.469394][ T558] cgroup_addrm_files+0x99e/0xeb0 [ 56.474397][ T558] ? delete_node+0x747/0x7a0 [ 56.479000][ T558] ? node_tag_clear+0x1a0/0x2c0 [ 56.483917][ T558] css_populate_dir+0x137/0x370 [ 56.489027][ T558] cgroup_apply_control_enable+0x31e/0xfc0 [ 56.494819][ T558] cgroup_apply_control+0x36/0x710 [ 56.499910][ T558] ? init_wait_entry+0xe0/0xe0 [ 56.504654][ T558] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.509932][ T558] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.515920][ T558] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.521984][ T558] cgroup_file_write+0x22f/0x4f0 [ 56.526912][ T558] kernfs_fop_write_iter+0x2cd/0x410 [ 56.532194][ T558] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.537574][ T558] vfs_write+0xb57/0xe50 [ 56.542195][ T558] ksys_write+0x157/0x260 [ 56.546523][ T558] __x64_sys_write+0x7b/0x90 [ 56.551187][ T558] do_syscall_64+0x34/0x70 [ 56.556039][ T558] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.562174][ T558] RIP: 0033:0x7f2442a680e9 [ 56.566571][ T558] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.586439][ T558] RSP: 002b:00007f24429de168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.594941][ T558] RAX: ffffffffffffffda RBX: 00007f2442b7af60 RCX: 00007f2442a680e9 [ 56.603101][ T558] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.611069][ T558] RBP: 00007f24429de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.619119][ T558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.627428][ T558] R13: 00007ffe51e31d5f R14: 00007f24429de300 R15: 0000000000022000 [ 56.635626][ T558] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 56.642702][ T558] !!! cgroup_apply_control_disable [ 56.647943][ T558] !!! cgroup_apply_control_disable kill_css ffff88810d27dc00 [ 56.655856][ T558] !!! cgroup_apply_control_disable kill_css ffff88810d27fc00 [ 56.663509][ T558] !!! cgroup_apply_control_disable kill_css ffff88810d27f000 [ 56.691967][ C0] !!! css_killed_ref_fn css ffff88810d27dc00 !!! [ 56.698777][ T74] !!! css_put is ALREADY zero css or dying ffff88810d27dc00 !!! [ 56.706785][ C0] !!! css_killed_ref_fn css ffff88810d27fc00 !!! [ 56.713194][ C0] !!! css_killed_ref_fn css ffff88810d27f000 !!! [ 56.719635][ T74] !!! css_put is ALREADY zero css or dying ffff88810d27fc00 !!! [ 56.727848][ T74] !!! css_put is ALREADY zero css or dying ffff88810d27f000 !!! [ 56.735659][ T585] !!! css_create !!! [ 56.739701][ T585] !!! css_create !!! [ 56.743662][ T585] !!! css_create !!! [ 56.747630][ T585] FAULT_INJECTION: forcing a failure. [ 56.747630][ T585] name failslab, interval 1, probability 0, space 0, times 0 [ 56.760617][ T585] CPU: 0 PID: 585 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 56.761567][ T23] audit: type=1400 audit(1654026497.799:162): avc: denied { unlink } for pid=141 comm="syslogd" name="messages.0" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 56.772569][ T585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.772574][ T585] Call Trace: [ 56.772590][ T585] dump_stack+0x19c/0x1e2 [ 56.772600][ T585] should_fail+0x3f7/0x5b0 [ 56.772610][ T585] __should_failslab+0xd2/0x130 [ 56.772627][ T585] should_failslab+0x9/0x20 [ 56.826943][ T585] slab_pre_alloc_hook+0x25/0xe0 [ 56.831875][ T585] ? __kernfs_new_node+0x4c/0x6d0 [ 56.837140][ T585] __kmalloc_track_caller+0x70/0x300 [ 56.842421][ T585] ? __kernfs_new_node+0x4c/0x6d0 [ 56.847525][ T585] kstrdup_const+0x55/0x90 [ 56.852025][ T585] __kernfs_new_node+0x4c/0x6d0 [ 56.856853][ T585] ? string+0x29f/0x2b0 [ 56.861173][ T585] ? vsnprintf+0x1a6c/0x1b30 [ 56.865774][ T585] kernfs_new_node+0x97/0x170 [ 56.870518][ T585] __kernfs_create_file+0x4a/0x270 [ 56.875610][ T585] cgroup_addrm_files+0x99e/0xeb0 [ 56.880652][ T585] ? delete_node+0x747/0x7a0 [ 56.885428][ T585] ? node_tag_clear+0x1a0/0x2c0 [ 56.890264][ T585] css_populate_dir+0x137/0x370 [ 56.895206][ T585] cgroup_apply_control_enable+0x31e/0xfc0 [ 56.901084][ T585] cgroup_apply_control+0x36/0x710 [ 56.906186][ T585] ? init_wait_entry+0xe0/0xe0 [ 56.910982][ T585] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.916391][ T585] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.922613][ T585] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.929613][ T585] cgroup_file_write+0x22f/0x4f0 [ 56.934815][ T585] kernfs_fop_write_iter+0x2cd/0x410 [ 56.940083][ T585] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.945186][ T585] vfs_write+0xb57/0xe50 [ 56.949589][ T585] ksys_write+0x157/0x260 [ 56.953919][ T585] __x64_sys_write+0x7b/0x90 [ 56.958541][ T585] do_syscall_64+0x34/0x70 [ 56.963163][ T585] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.969037][ T585] RIP: 0033:0x7f2442a680e9 [ 56.973531][ 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 [ 56.993211][ T585] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.001604][ T585] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 57.009554][ T585] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.017517][ T585] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.025894][ T585] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.033851][ T585] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 57.041999][ T585] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.049044][ T585] !!! cgroup_apply_control_disable [ 57.054201][ T585] !!! cgroup_apply_control_disable kill_css ffff88810d27c800 [ 57.061641][ T585] !!! cgroup_apply_control_disable kill_css ffff88810d27e000 [ 57.069066][ T585] !!! cgroup_apply_control_disable kill_css ffff88810d27d800 [ 57.083221][ C0] !!! css_killed_ref_fn css ffff88810d27c800 !!! [ 57.089774][ T5] !!! css_put is ALREADY zero css or dying ffff88810d27c800 !!! [ 57.097468][ C0] !!! css_killed_ref_fn css ffff88810d27e000 !!! [ 57.097482][ C0] !!! css_killed_ref_fn css ffff88810d27d800 !!! [ 57.110318][ T5] !!! css_put is ALREADY zero css or dying ffff88810d27e000 !!! [ 57.118149][ T5] !!! css_put is ALREADY zero css or dying ffff88810d27d800 !!! [ 57.125963][ T576] !!! css_create !!! [ 57.129982][ T576] !!! css_create !!! [ 57.134032][ T576] !!! css_create !!! [ 57.138204][ T576] FAULT_INJECTION: forcing a failure. [ 57.138204][ T576] name failslab, interval 1, probability 0, space 0, times 0 [ 57.150991][ T576] CPU: 0 PID: 576 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 57.162724][ T576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.172895][ T576] Call Trace: [ 57.176197][ T576] dump_stack+0x19c/0x1e2 [ 57.180515][ T576] should_fail+0x3f7/0x5b0 [ 57.184932][ T576] __should_failslab+0xd2/0x130 [ 57.190032][ T576] should_failslab+0x9/0x20 [ 57.194514][ T576] slab_pre_alloc_hook+0x25/0xe0 [ 57.199429][ T576] ? __kernfs_new_node+0x4c/0x6d0 [ 57.204629][ T576] __kmalloc_track_caller+0x70/0x300 [ 57.209898][ T576] ? __kernfs_new_node+0x4c/0x6d0 [ 57.215093][ T576] kstrdup_const+0x55/0x90 [ 57.219500][ T576] __kernfs_new_node+0x4c/0x6d0 [ 57.224340][ T576] ? string+0x29f/0x2b0 [ 57.228495][ T576] ? vsnprintf+0x1a6c/0x1b30 [ 57.233086][ T576] kernfs_new_node+0x97/0x170 [ 57.237935][ T576] __kernfs_create_file+0x4a/0x270 [ 57.243129][ T576] cgroup_addrm_files+0x99e/0xeb0 [ 57.248136][ T576] ? delete_node+0x747/0x7a0 [ 57.252899][ T576] ? node_tag_clear+0x1a0/0x2c0 [ 57.257731][ T576] css_populate_dir+0x137/0x370 [ 57.262659][ T576] cgroup_apply_control_enable+0x31e/0xfc0 [ 57.268484][ T576] cgroup_apply_control+0x36/0x710 [ 57.273855][ T576] ? init_wait_entry+0xe0/0xe0 [ 57.278695][ T576] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.283965][ T576] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.289955][ T576] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.295967][ T576] cgroup_file_write+0x22f/0x4f0 [ 57.300991][ T576] kernfs_fop_write_iter+0x2cd/0x410 [ 57.306544][ T576] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.311635][ T576] vfs_write+0xb57/0xe50 [ 57.316091][ T576] ksys_write+0x157/0x260 [ 57.320423][ T576] __x64_sys_write+0x7b/0x90 [ 57.324995][ T576] do_syscall_64+0x34/0x70 [ 57.329416][ T576] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.335379][ T576] RIP: 0033:0x7f37291a60e9 [ 57.339771][ T576] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.361301][ T576] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.370185][ T576] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 57.378168][ T576] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.386219][ T576] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.394259][ T576] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.402213][ T576] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 57.410688][ T576] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.417857][ T576] !!! cgroup_apply_control_disable [ 57.423004][ T576] !!! cgroup_apply_control_disable kill_css ffff8881103b6000 [ 57.430427][ T576] !!! cgroup_apply_control_disable kill_css ffff8881103b4800 [ 57.438053][ T576] !!! cgroup_apply_control_disable kill_css ffff888110371800 [ 57.446934][ T408] ------------[ cut here ]------------ [ 57.452665][ T408] WARNING: CPU: 1 PID: 408 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 57.461681][ T408] Modules linked in: [ 57.461955][ C0] !!! css_killed_ref_fn css ffff8881103b6000 !!! [ 57.465709][ T408] CPU: 1 PID: 408 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 57.472077][ T74] !!! css_put is ALREADY zero css or dying ffff8881103b6000 !!! [ 57.483740][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.501588][ T408] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 57.507236][ T408] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 57.527357][ T408] RSP: 0018:ffffc90000ec7dd0 EFLAGS: 00010293 [ 57.533461][ T408] RAX: ffffffff81af07bc RBX: ffff88810c885d60 RCX: ffff888107d8adc0 [ 57.541640][ T408] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 57.549639][ T408] RBP: ffffc90000ec7e40 R08: ffffffff81af04e7 R09: fffff520001d8fb2 [ 57.557636][ T408] R10: fffff520001d8fb2 R11: 1ffff920001d8fb1 R12: dffffc0000000000 [ 57.566273][ T408] R13: ffff88810c885c80 R14: 00000000ffffffff R15: 0000000000000000 [ 57.574373][ T408] FS: 0000555557126400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 57.583420][ T408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.590011][ T408] CR2: 00007ffcc0be6ef8 CR3: 0000000109158000 CR4: 00000000003506a0 [ 57.598122][ T408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.606262][ T408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.614343][ T408] Call Trace: [ 57.617716][ T408] path_umount+0x1ad/0xed0 [ 57.622249][ T408] __x64_sys_umount+0xe8/0x110 [ 57.627127][ T408] do_syscall_64+0x34/0x70 [ 57.631533][ T408] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.637448][ T408] RIP: 0033:0x7f37291a7557 [ 57.641869][ T408] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.661591][ T408] RSP: 002b:00007ffcc0be7638 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 57.670162][ T408] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f37291a7557 [ 57.678181][ T408] RDX: 00007ffcc0be7709 RSI: 000000000000000a RDI: 00007ffcc0be7700 [ 57.686467][ T408] RBP: 00007ffcc0be7700 R08: 00000000ffffffff R09: 00007ffcc0be74d0 [ 57.694477][ T408] R10: 0000555557127ba3 R11: 0000000000000246 R12: 00007f37291ff1f8 [ 57.703056][ T408] R13: 00007ffcc0be87c0 R14: 0000555557127b00 R15: 00007ffcc0be8800 [ 57.711247][ T408] ---[ end trace fca5e2e0f619f9e7 ]--- [ 57.731974][ C0] !!! css_killed_ref_fn css ffff8881103b4800 !!! [ 57.738434][ C0] !!! css_killed_ref_fn css ffff888110371800 !!! [ 57.745067][ T74] !!! css_put is ALREADY zero css or dying ffff8881103b4800 !!! [ 57.752943][ T74] !!! css_put is ALREADY zero css or dying ffff888110371800 !!! [ 57.760782][ T588] !!! css_create !!! [ 57.764935][ T588] !!! css_create !!! [ 57.768944][ T588] !!! css_create !!! [ 57.773074][ T588] FAULT_INJECTION: forcing a failure. [ 57.773074][ T588] name failslab, interval 1, probability 0, space 0, times 0 [ 57.785806][ T588] CPU: 1 PID: 588 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 57.797450][ T588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.807485][ T588] Call Trace: [ 57.810768][ T588] dump_stack+0x19c/0x1e2 [ 57.815075][ T588] should_fail+0x3f7/0x5b0 [ 57.819551][ T588] __should_failslab+0xd2/0x130 [ 57.824375][ T588] should_failslab+0x9/0x20 [ 57.828859][ T588] slab_pre_alloc_hook+0x25/0xe0 [ 57.833764][ T588] kmem_cache_alloc_trace+0x47/0x2b0 [ 57.839036][ T588] ? percpu_ref_init+0xd0/0x330 [ 57.843954][ T588] percpu_ref_init+0xd0/0x330 [ 57.848698][ T588] ? cgroup_setup_root+0x8a0/0x8a0 [ 57.853781][ T588] cgroup_apply_control_enable+0x49f/0xfc0 [ 57.859579][ T588] cgroup_apply_control+0x36/0x710 [ 57.864672][ T588] ? init_wait_entry+0xe0/0xe0 [ 57.869511][ T588] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.874767][ T588] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.880891][ T588] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.886837][ T588] cgroup_file_write+0x22f/0x4f0 [ 57.892018][ T588] kernfs_fop_write_iter+0x2cd/0x410 [ 57.897279][ T588] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.902371][ T588] vfs_write+0xb57/0xe50 [ 57.906672][ T588] ksys_write+0x157/0x260 [ 57.910972][ T588] __x64_sys_write+0x7b/0x90 [ 57.915531][ T588] do_syscall_64+0x34/0x70 [ 57.920004][ T588] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.925878][ T588] RIP: 0033:0x7f2442a680e9 [ 57.930265][ 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 [ 57.950105][ T588] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.958575][ T588] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 57.966809][ T588] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.974794][ T588] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.982926][ T588] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.990958][ T588] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 57.999351][ T588] !!! cgroup_apply_control_disable [ 58.004597][ T588] !!! cgroup_apply_control_disable kill_css ffff88811045f800 [ 58.012423][ T588] !!! cgroup_apply_control_disable kill_css ffff88811045e800 [ 58.062031][ C0] !!! css_killed_ref_fn css ffff88811045f800 !!! [ 58.068652][ C0] !!! css_killed_ref_fn css ffff88811045e800 !!! [ 58.075423][ T5] !!! css_put is ALREADY zero css or dying ffff88811045f800 !!! [ 58.083493][ T5] !!! css_put is ALREADY zero css or dying ffff88811045e800 !!! [ 58.091422][ T573] !!! css_create !!! [ 58.095836][ T573] !!! css_create !!! [ 58.100149][ T573] !!! css_create !!! [ 58.104241][ T573] FAULT_INJECTION: forcing a failure. [ 58.104241][ T573] name failslab, interval 1, probability 0, space 0, times 0 [ 58.117118][ T573] CPU: 1 PID: 573 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 58.129163][ T573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.139468][ T573] Call Trace: [ 58.142768][ T573] dump_stack+0x19c/0x1e2 [ 58.147082][ T573] should_fail+0x3f7/0x5b0 [ 58.151475][ T573] __should_failslab+0xd2/0x130 [ 58.156302][ T573] should_failslab+0x9/0x20 [ 58.160870][ T573] slab_pre_alloc_hook+0x25/0xe0 [ 58.165789][ T573] ? __kernfs_new_node+0x4c/0x6d0 [ 58.170803][ T573] __kmalloc_track_caller+0x70/0x300 [ 58.176076][ T573] ? __kernfs_new_node+0x4c/0x6d0 [ 58.181078][ T573] kstrdup_const+0x55/0x90 [ 58.185474][ T573] __kernfs_new_node+0x4c/0x6d0 [ 58.190308][ T573] ? string+0x29f/0x2b0 [ 58.194564][ T573] ? vsnprintf+0x1a6c/0x1b30 [ 58.199131][ T573] kernfs_new_node+0x97/0x170 [ 58.204407][ T573] __kernfs_create_file+0x4a/0x270 [ 58.209502][ T573] cgroup_addrm_files+0x99e/0xeb0 [ 58.214505][ T573] ? delete_node+0x747/0x7a0 [ 58.219070][ T573] ? node_tag_clear+0x1a0/0x2c0 [ 58.223898][ T573] css_populate_dir+0x137/0x370 [ 58.228814][ T573] cgroup_apply_control_enable+0x31e/0xfc0 [ 58.234696][ T573] cgroup_apply_control+0x36/0x710 [ 58.239881][ T573] ? init_wait_entry+0xe0/0xe0 [ 58.244620][ T573] ? cgroup_kn_lock_live+0x1af/0x370 [ 58.249884][ T573] cgroup_subtree_control_write+0xd05/0x12d0 [ 58.255842][ T573] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 58.261799][ T573] cgroup_file_write+0x22f/0x4f0 [ 58.266816][ T573] kernfs_fop_write_iter+0x2cd/0x410 [ 58.272103][ T573] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.277207][ T573] vfs_write+0xb57/0xe50 [ 58.281451][ T573] ksys_write+0x157/0x260 [ 58.285786][ T573] __x64_sys_write+0x7b/0x90 [ 58.290362][ T573] do_syscall_64+0x34/0x70 [ 58.294944][ T573] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.300827][ T573] RIP: 0033:0x7f79b35de0e9 [ 58.305218][ T573] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.325014][ T573] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.333500][ T573] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 58.341454][ T573] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.349847][ T573] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 2022/05/31 19:48:19 executed programs: 55 [ 58.357989][ T573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.366211][ T573] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 58.374350][ T573] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 58.381604][ T573] !!! cgroup_apply_control_disable [ 58.386909][ T573] !!! cgroup_apply_control_disable kill_css ffff8881103c1000 [ 58.394510][ T573] !!! cgroup_apply_control_disable kill_css ffff88810dffac00 [ 58.402461][ T573] !!! cgroup_apply_control_disable kill_css ffff88810defb000 [ 58.431994][ C0] !!! css_killed_ref_fn css ffff8881103c1000 !!! [ 58.438654][ T5] !!! css_put is ALREADY zero css or dying ffff8881103c1000 !!! [ 58.446686][ C1] !!! css_killed_ref_fn css ffff88810dffac00 !!! [ 58.453147][ C1] !!! css_killed_ref_fn css ffff88810defb000 !!! [ 58.459563][ T19] !!! css_put is ALREADY zero css or dying ffff88810dffac00 !!! [ 58.467642][ T19] !!! css_put is ALREADY zero css or dying ffff88810defb000 !!! [ 58.475939][ T582] !!! css_create !!! [ 58.480030][ T582] !!! css_create !!! [ 58.484177][ T582] !!! css_create !!! [ 58.488143][ T582] FAULT_INJECTION: forcing a failure. [ 58.488143][ T582] name failslab, interval 1, probability 0, space 0, times 0 [ 58.500925][ T582] CPU: 0 PID: 582 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 58.512445][ T582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.522741][ T582] Call Trace: [ 58.526017][ T582] dump_stack+0x19c/0x1e2 [ 58.530420][ T582] should_fail+0x3f7/0x5b0 [ 58.534812][ T582] __should_failslab+0xd2/0x130 [ 58.539739][ T582] should_failslab+0x9/0x20 [ 58.544570][ T582] slab_pre_alloc_hook+0x25/0xe0 [ 58.549482][ T582] ? __kernfs_new_node+0x4c/0x6d0 [ 58.554684][ T582] __kmalloc_track_caller+0x70/0x300 [ 58.560433][ T582] ? __kernfs_new_node+0x4c/0x6d0 [ 58.565437][ T582] kstrdup_const+0x55/0x90 [ 58.569826][ T582] __kernfs_new_node+0x4c/0x6d0 [ 58.574667][ T582] ? string+0x29f/0x2b0 [ 58.578795][ T582] ? vsnprintf+0x1a6c/0x1b30 [ 58.583536][ T582] kernfs_new_node+0x97/0x170 [ 58.588187][ T582] __kernfs_create_file+0x4a/0x270 [ 58.593276][ T582] cgroup_addrm_files+0x99e/0xeb0 [ 58.598273][ T582] ? delete_node+0x747/0x7a0 [ 58.602980][ T582] ? node_tag_clear+0x1a0/0x2c0 [ 58.607817][ T582] css_populate_dir+0x137/0x370 [ 58.612656][ T582] cgroup_apply_control_enable+0x31e/0xfc0 [ 58.618529][ T582] cgroup_apply_control+0x36/0x710 [ 58.623610][ T582] ? init_wait_entry+0xe0/0xe0 [ 58.628356][ T582] ? cgroup_kn_lock_live+0x1af/0x370 [ 58.633705][ T582] cgroup_subtree_control_write+0xd05/0x12d0 [ 58.639659][ T582] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 58.645617][ T582] cgroup_file_write+0x22f/0x4f0 [ 58.650557][ T582] kernfs_fop_write_iter+0x2cd/0x410 [ 58.655973][ T582] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.661077][ T582] vfs_write+0xb57/0xe50 [ 58.665295][ T582] ksys_write+0x157/0x260 [ 58.669597][ T582] __x64_sys_write+0x7b/0x90 [ 58.674172][ T582] do_syscall_64+0x34/0x70 [ 58.678576][ T582] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.684460][ T582] RIP: 0033:0x7f69313bd0e9 [ 58.688967][ T582] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.708554][ T582] RSP: 002b:00007f6931312168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.717016][ T582] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 58.724973][ T582] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.732988][ T582] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.741036][ T582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.749000][ T582] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 58.757112][ T582] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 58.764230][ T582] !!! cgroup_apply_control_disable [ 58.769362][ T582] !!! cgroup_apply_control_disable kill_css ffff888110376800 [ 58.776926][ T582] !!! cgroup_apply_control_disable kill_css ffff888110376c00 [ 58.784407][ T582] !!! cgroup_apply_control_disable kill_css ffff88811077fc00 [ 58.793977][ T412] ------------[ cut here ]------------ [ 58.799576][ T412] WARNING: CPU: 1 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 58.808626][ T412] Modules linked in: [ 58.812557][ C1] !!! css_killed_ref_fn css ffff888110376800 !!! [ 58.819017][ T412] CPU: 1 PID: 412 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 58.830688][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.840797][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 58.846427][ T412] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 58.866441][ T412] RSP: 0018:ffffc90000f07d58 EFLAGS: 00010293 [ 58.872662][ T412] RAX: ffffffff81af07bc RBX: ffff88810c885a60 RCX: ffff88810526eac0 [ 58.880719][ T412] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 58.888759][ T412] RBP: ffffc90000f07dc8 R08: ffffffff81af04e7 R09: fffff520001e0fa3 [ 58.896748][ T412] R10: fffff520001e0fa3 R11: 1ffff920001e0fa2 R12: dffffc0000000000 [ 58.904727][ T412] R13: ffff88810c885980 R14: 00000000ffffffff R15: 0000000000000000 [ 58.912790][ T412] FS: 0000555556757400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 58.921800][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.928411][ T412] CR2: 00007fff6eb30ff4 CR3: 000000011a824000 CR4: 00000000003506a0 [ 58.936452][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.944461][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.952795][ T412] Call Trace: [ 58.956068][ T412] ? init_wait_entry+0xe0/0xe0 [ 58.960928][ T412] ? up_write+0x68/0x140 [ 58.965477][ T412] namespace_unlock+0x377/0x420 [ 58.970342][ T412] path_umount+0xe23/0xed0 [ 58.974790][ T412] __x64_sys_umount+0xe8/0x110 [ 58.979542][ T412] do_syscall_64+0x34/0x70 [ 58.984008][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.989886][ T412] RIP: 0033:0x7f69313be557 [ 58.994315][ T412] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 59.014188][ T412] RSP: 002b:00007fff6eb31748 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 59.022841][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69313be557 [ 59.030832][ T412] RDX: 00007fff6eb31819 RSI: 000000000000000a RDI: 00007fff6eb31810 [ 59.038827][ T412] RBP: 00007fff6eb31810 R08: 00000000ffffffff R09: 00007fff6eb315e0 [ 59.046848][ T412] R10: 0000555556758ba3 R11: 0000000000000246 R12: 00007f69314161f8 [ 59.054943][ T412] R13: 00007fff6eb328d0 R14: 0000555556758b00 R15: 00007fff6eb32910 [ 59.063149][ T412] ---[ end trace fca5e2e0f619f9e8 ]--- [ 59.069249][ T412] ------------[ cut here ]------------ [ 59.069450][ T19] !!! css_put is ALREADY zero css or dying ffff888110376800 !!! [ 59.074778][ T412] WARNING: CPU: 0 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 59.091345][ T412] Modules linked in: [ 59.095293][ C0] !!! css_killed_ref_fn css ffff888110376c00 !!! [ 59.095307][ C0] !!! css_killed_ref_fn css ffff88811077fc00 !!! [ 59.108701][ T412] CPU: 0 PID: 412 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 59.120378][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.130456][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 59.136098][ T412] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 59.156449][ T412] RSP: 0018:ffffc90000f07dd0 EFLAGS: 00010293 [ 59.162556][ T412] RAX: ffffffff81af07bc RBX: ffff88810c885a60 RCX: ffff88810526eac0 [ 59.170517][ T412] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 59.178516][ T412] RBP: ffffc90000f07e40 R08: ffffffff81af04e7 R09: fffff520001e0fb2 [ 59.186512][ T412] R10: fffff520001e0fb2 R11: 1ffff920001e0fb1 R12: dffffc0000000000 [ 59.194779][ T412] R13: ffff88810c885980 R14: 00000000fffffffe R15: 0000000000000000 [ 59.202783][ T412] FS: 0000555556757400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 59.211697][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.218292][ T412] CR2: 00007f79b36f1028 CR3: 000000011a824000 CR4: 00000000003506b0 [ 59.226298][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.234490][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.242650][ T412] Call Trace: [ 59.245930][ T412] path_umount+0x1ad/0xed0 [ 59.250326][ T412] __x64_sys_umount+0xe8/0x110 [ 59.255114][ T412] do_syscall_64+0x34/0x70 [ 59.259526][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.265442][ T412] RIP: 0033:0x7f69313be557 [ 59.269850][ T412] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 59.289584][ T412] RSP: 002b:00007fff6eb31748 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 59.298035][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69313be557 [ 59.306128][ T412] RDX: 00007fff6eb31819 RSI: 000000000000000a RDI: 00007fff6eb31810 [ 59.314119][ T412] RBP: 00007fff6eb31810 R08: 00000000ffffffff R09: 00007fff6eb315e0 [ 59.322100][ T412] R10: 0000555556758ba3 R11: 0000000000000246 R12: 00007f69314161f8 [ 59.330071][ T412] R13: 00007fff6eb328d0 R14: 0000555556758b00 R15: 00007fff6eb32910 [ 59.338068][ T412] ---[ end trace fca5e2e0f619f9e9 ]--- [ 59.343638][ T5] !!! css_put is ALREADY zero css or dying ffff888110376c00 !!! [ 59.351318][ T5] !!! css_put is ALREADY zero css or dying ffff88811077fc00 !!! [ 59.359475][ T594] !!! css_create !!! [ 59.363741][ T594] !!! css_create !!! [ 59.368224][ T594] !!! css_create !!! [ 59.372223][ T594] FAULT_INJECTION: forcing a failure. [ 59.372223][ T594] name failslab, interval 1, probability 0, space 0, times 0 [ 59.385385][ T594] CPU: 1 PID: 594 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 59.397011][ T594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.407315][ T594] Call Trace: [ 59.410601][ T594] dump_stack+0x19c/0x1e2 [ 59.415090][ T594] should_fail+0x3f7/0x5b0 [ 59.419499][ T594] __should_failslab+0xd2/0x130 [ 59.424340][ T594] should_failslab+0x9/0x20 [ 59.429057][ T594] slab_pre_alloc_hook+0x25/0xe0 [ 59.434477][ T594] kmem_cache_alloc_trace+0x47/0x2b0 [ 59.439749][ T594] ? percpu_ref_init+0xd0/0x330 [ 59.444588][ T594] percpu_ref_init+0xd0/0x330 [ 59.449260][ T594] ? cgroup_setup_root+0x8a0/0x8a0 [ 59.454504][ T594] cgroup_apply_control_enable+0x49f/0xfc0 [ 59.460296][ T594] cgroup_apply_control+0x36/0x710 [ 59.465391][ T594] ? init_wait_entry+0xe0/0xe0 [ 59.470136][ T594] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.475402][ T594] cgroup_subtree_control_write+0xd05/0x12d0 [ 59.481363][ T594] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 59.487327][ T594] cgroup_file_write+0x22f/0x4f0 [ 59.492254][ T594] kernfs_fop_write_iter+0x2cd/0x410 [ 59.497528][ T594] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.502626][ T594] vfs_write+0xb57/0xe50 [ 59.506947][ T594] ksys_write+0x157/0x260 [ 59.511263][ T594] __x64_sys_write+0x7b/0x90 [ 59.515941][ T594] do_syscall_64+0x34/0x70 [ 59.520354][ T594] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.526309][ T594] RIP: 0033:0x7f2442a680e9 [ 59.530794][ 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 [ 59.550751][ T594] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.559147][ T594] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 59.567109][ T594] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.575160][ T594] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.583305][ T594] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.591287][ T594] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 59.599735][ T594] !!! cgroup_apply_control_disable [ 59.604913][ T594] !!! cgroup_apply_control_disable kill_css ffff888110449000 [ 59.612570][ T594] !!! cgroup_apply_control_disable kill_css ffff888110449c00 [ 59.672022][ C1] !!! css_killed_ref_fn css ffff888110449000 !!! [ 59.678513][ C1] !!! css_killed_ref_fn css ffff888110449c00 !!! [ 59.684937][ T19] !!! css_put is ALREADY zero css or dying ffff888110449000 !!! [ 59.692871][ T24] !!! css_put is ALREADY zero css or dying ffff888110449c00 !!! [ 59.700937][ T597] !!! css_create !!! [ 59.705064][ T597] !!! css_create !!! [ 59.709128][ T597] !!! css_create !!! [ 59.713183][ T597] FAULT_INJECTION: forcing a failure. [ 59.713183][ T597] name failslab, interval 1, probability 0, space 0, times 0 [ 59.725915][ T597] CPU: 1 PID: 597 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 59.737522][ T597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.747558][ T597] Call Trace: [ 59.751226][ T597] dump_stack+0x19c/0x1e2 [ 59.755645][ T597] should_fail+0x3f7/0x5b0 [ 59.760037][ T597] __should_failslab+0xd2/0x130 [ 59.764894][ T597] should_failslab+0x9/0x20 [ 59.769836][ T597] slab_pre_alloc_hook+0x25/0xe0 [ 59.774752][ T597] kmem_cache_alloc_trace+0x47/0x2b0 [ 59.780015][ T597] ? pids_css_alloc+0x4e/0x120 [ 59.785114][ T597] pids_css_alloc+0x4e/0x120 [ 59.789680][ T597] cgroup_apply_control_enable+0x44e/0xfc0 [ 59.795483][ T597] cgroup_apply_control+0x36/0x710 [ 59.800575][ T597] ? init_wait_entry+0xe0/0xe0 [ 59.805417][ T597] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.810764][ T597] cgroup_subtree_control_write+0xd05/0x12d0 [ 59.816720][ T597] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 59.822761][ T597] cgroup_file_write+0x22f/0x4f0 [ 59.827698][ T597] kernfs_fop_write_iter+0x2cd/0x410 [ 59.833048][ T597] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.838139][ T597] vfs_write+0xb57/0xe50 [ 59.842356][ T597] ksys_write+0x157/0x260 [ 59.846666][ T597] __x64_sys_write+0x7b/0x90 [ 59.851408][ T597] do_syscall_64+0x34/0x70 [ 59.855812][ T597] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.861770][ T597] RIP: 0033:0x7f79b35de0e9 [ 59.866160][ 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 [ 59.885750][ T597] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.894243][ T597] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 59.902584][ T597] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.911063][ T597] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.919370][ T597] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.927431][ T597] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 59.936767][ T597] !!! cgroup_apply_control_disable [ 59.942236][ T597] !!! cgroup_apply_control_disable kill_css ffff88811090b400 [ 59.949719][ T597] !!! cgroup_apply_control_disable kill_css ffff88811090b000 [ 59.981978][ C1] !!! css_killed_ref_fn css ffff88811090b400 !!! [ 59.988362][ T19] !!! css_put is ALREADY zero css or dying ffff88811090b400 !!! [ 59.996130][ C1] !!! css_killed_ref_fn css ffff88811090b000 !!! [ 60.002743][ T19] !!! css_put is ALREADY zero css or dying ffff88811090b000 !!! [ 60.010559][ T579] !!! css_create !!! [ 60.014600][ T579] !!! css_create !!! [ 60.018696][ T579] !!! css_create !!! [ 60.022764][ T579] FAULT_INJECTION: forcing a failure. [ 60.022764][ T579] name failslab, interval 1, probability 0, space 0, times 0 [ 60.036035][ T579] CPU: 0 PID: 579 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 60.047732][ T579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.057855][ T579] Call Trace: [ 60.061395][ T579] dump_stack+0x19c/0x1e2 [ 60.065717][ T579] should_fail+0x3f7/0x5b0 [ 60.070115][ T579] __should_failslab+0xd2/0x130 [ 60.074955][ T579] should_failslab+0x9/0x20 [ 60.079433][ T579] slab_pre_alloc_hook+0x25/0xe0 [ 60.084343][ T579] kmem_cache_alloc_trace+0x47/0x2b0 [ 60.089693][ T579] ? percpu_ref_init+0xd0/0x330 [ 60.094621][ T579] percpu_ref_init+0xd0/0x330 [ 60.099298][ T579] ? cgroup_setup_root+0x8a0/0x8a0 [ 60.104481][ T579] cgroup_apply_control_enable+0x49f/0xfc0 [ 60.110386][ T579] cgroup_apply_control+0x36/0x710 [ 60.115559][ T579] ? init_wait_entry+0xe0/0xe0 [ 60.120392][ T579] ? cgroup_kn_lock_live+0x1af/0x370 [ 60.125735][ T579] cgroup_subtree_control_write+0xd05/0x12d0 [ 60.131772][ T579] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 60.137733][ T579] cgroup_file_write+0x22f/0x4f0 [ 60.142728][ T579] kernfs_fop_write_iter+0x2cd/0x410 [ 60.148050][ T579] ? cgroup_seqfile_stop+0xc0/0xc0 [ 60.153132][ T579] vfs_write+0xb57/0xe50 [ 60.157353][ T579] ksys_write+0x157/0x260 [ 60.161653][ T579] __x64_sys_write+0x7b/0x90 [ 60.166320][ T579] do_syscall_64+0x34/0x70 [ 60.170779][ T579] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.176786][ T579] RIP: 0033:0x7f773a1c40e9 [ 60.181265][ T579] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 60.201574][ T579] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.209993][ T579] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 60.217937][ T579] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 60.225879][ T579] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 60.233968][ T579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.242411][ T579] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 60.250792][ T579] !!! cgroup_apply_control_disable [ 60.256012][ T579] !!! cgroup_apply_control_disable kill_css ffff88810e560000 [ 60.263912][ T579] !!! cgroup_apply_control_disable kill_css ffff88810e561000 [ 60.272534][ T411] ------------[ cut here ]------------ [ 60.277995][ T411] WARNING: CPU: 1 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 60.287069][ T411] Modules linked in: [ 60.290983][ T411] CPU: 1 PID: 411 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 60.303235][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.313716][ T411] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 60.319335][ T411] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 60.339220][ T411] RSP: 0018:ffffc90000ef7d58 EFLAGS: 00010293 [ 60.345316][ T411] RAX: ffffffff81af07bc RBX: ffff88810c8840e0 RCX: ffff88810527db80 [ 60.353414][ T411] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 60.361386][ T411] RBP: ffffc90000ef7dc8 R08: ffffffff81af04e7 R09: fffff520001defa3 [ 60.369380][ T411] R10: fffff520001defa3 R11: 1ffff920001defa2 R12: dffffc0000000000 [ 60.377454][ T411] R13: ffff88810c884000 R14: 00000000fffffffe R15: 0000000000000000 [ 60.385521][ T411] FS: 0000555556bbd400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 60.394458][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.401038][ T411] CR2: 00007ffd8e5e4f98 CR3: 00000001149a9000 CR4: 00000000003506a0 [ 60.409346][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.417418][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.425397][ T411] Call Trace: [ 60.428675][ T411] ? init_wait_entry+0xe0/0xe0 [ 60.433444][ T411] ? up_write+0x68/0x140 [ 60.437680][ T411] namespace_unlock+0x377/0x420 [ 60.442559][ T411] path_umount+0xe23/0xed0 [ 60.446971][ T411] __x64_sys_umount+0xe8/0x110 [ 60.452098][ T411] do_syscall_64+0x34/0x70 [ 60.456597][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.462600][ T411] RIP: 0033:0x7f773a1c5557 [ 60.467010][ T411] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 60.487058][ T411] RSP: 002b:00007ffd8e5e51f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 60.495498][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f773a1c5557 [ 60.503544][ T411] RDX: 00007ffd8e5e52c9 RSI: 000000000000000a RDI: 00007ffd8e5e52c0 [ 60.511594][ T411] RBP: 00007ffd8e5e52c0 R08: 00000000ffffffff R09: 00007ffd8e5e5090 [ 60.519591][ T411] R10: 0000555556bbeba3 R11: 0000000000000246 R12: 00007f773a21d1f8 [ 60.527739][ T411] R13: 00007ffd8e5e6380 R14: 0000555556bbeb00 R15: 00007ffd8e5e63c0 [ 60.535759][ T411] ---[ end trace fca5e2e0f619f9ea ]--- [ 60.541534][ T411] ------------[ cut here ]------------ [ 60.547204][ T411] WARNING: CPU: 1 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 60.556150][ C1] !!! css_killed_ref_fn css ffff88810e560000 !!! [ 60.556164][ C1] !!! css_killed_ref_fn css ffff88810e561000 !!! [ 60.568927][ T411] Modules linked in: [ 60.572838][ T411] CPU: 1 PID: 411 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 60.584387][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.594475][ T411] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 60.600189][ T411] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 60.620289][ T411] RSP: 0018:ffffc90000ef7dd0 EFLAGS: 00010293 [ 60.626394][ T411] RAX: ffffffff81af07bc RBX: ffff88810c8840e0 RCX: ffff88810527db80 [ 60.634374][ T411] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 60.642381][ T411] RBP: ffffc90000ef7e40 R08: ffffffff81af04e7 R09: fffff520001defb2 [ 60.650372][ T411] R10: fffff520001defb2 R11: 1ffff920001defb1 R12: dffffc0000000000 [ 60.658402][ T411] R13: ffff88810c884000 R14: 00000000fffffffd R15: 0000000000000000 [ 60.666416][ T411] FS: 0000555556bbd400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 60.675373][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.682239][ T411] CR2: 00007ffd8e5e4f98 CR3: 00000001149a9000 CR4: 00000000003506a0 [ 60.690544][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.698724][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.706730][ T411] Call Trace: [ 60.710010][ T411] path_umount+0x1ad/0xed0 [ 60.714487][ T411] __x64_sys_umount+0xe8/0x110 [ 60.719262][ T411] do_syscall_64+0x34/0x70 [ 60.723708][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.729625][ T411] RIP: 0033:0x7f773a1c5557 [ 60.734057][ T411] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 60.753879][ T411] RSP: 002b:00007ffd8e5e51f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 60.762574][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f773a1c5557 [ 60.770537][ T411] RDX: 00007ffd8e5e52c9 RSI: 000000000000000a RDI: 00007ffd8e5e52c0 [ 60.778544][ T411] RBP: 00007ffd8e5e52c0 R08: 00000000ffffffff R09: 00007ffd8e5e5090 [ 60.786649][ T411] R10: 0000555556bbeba3 R11: 0000000000000246 R12: 00007f773a21d1f8 [ 60.794718][ T411] R13: 00007ffd8e5e6380 R14: 0000555556bbeb00 R15: 00007ffd8e5e63c0 [ 60.802719][ T411] ---[ end trace fca5e2e0f619f9eb ]--- [ 60.808260][ T375] !!! css_put is ALREADY zero css or dying ffff88810e560000 !!! [ 60.816258][ T19] !!! css_put is ALREADY zero css or dying ffff88810e561000 !!! [ 60.824131][ T567] !!! css_create !!! [ 60.828247][ T567] !!! css_create !!! [ 60.832594][ T567] !!! css_create !!! [ 60.836499][ T567] FAULT_INJECTION: forcing a failure. [ 60.836499][ T567] name failslab, interval 1, probability 0, space 0, times 0 [ 60.849109][ T567] CPU: 1 PID: 567 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 60.860723][ T567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.870840][ T567] Call Trace: [ 60.874105][ T567] dump_stack+0x19c/0x1e2 [ 60.878408][ T567] should_fail+0x3f7/0x5b0 [ 60.882795][ T567] __should_failslab+0xd2/0x130 [ 60.887618][ T567] should_failslab+0x9/0x20 [ 60.892116][ T567] slab_pre_alloc_hook+0x25/0xe0 [ 60.897134][ T567] ? __kernfs_new_node+0x4c/0x6d0 [ 60.902260][ T567] __kmalloc_track_caller+0x70/0x300 [ 60.907612][ T567] ? __kernfs_new_node+0x4c/0x6d0 [ 60.912964][ T567] kstrdup_const+0x55/0x90 [ 60.917364][ T567] __kernfs_new_node+0x4c/0x6d0 [ 60.922550][ T567] ? string+0x29f/0x2b0 [ 60.926721][ T567] ? vsnprintf+0x1a6c/0x1b30 [ 60.931400][ T567] kernfs_new_node+0x97/0x170 [ 60.936231][ T567] __kernfs_create_file+0x4a/0x270 [ 60.941872][ T567] cgroup_addrm_files+0x99e/0xeb0 [ 60.946970][ T567] ? delete_node+0x747/0x7a0 [ 60.951530][ T567] ? node_tag_clear+0x1a0/0x2c0 [ 60.956438][ T567] css_populate_dir+0x137/0x370 [ 60.961286][ T567] cgroup_apply_control_enable+0x31e/0xfc0 [ 60.967062][ T567] cgroup_apply_control+0x36/0x710 [ 60.972151][ T567] ? init_wait_entry+0xe0/0xe0 [ 60.976890][ T567] ? cgroup_kn_lock_live+0x1af/0x370 [ 60.982177][ T567] cgroup_subtree_control_write+0xd05/0x12d0 [ 60.988137][ T567] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 60.994087][ T567] cgroup_file_write+0x22f/0x4f0 [ 60.998994][ T567] kernfs_fop_write_iter+0x2cd/0x410 [ 61.004249][ T567] ? cgroup_seqfile_stop+0xc0/0xc0 [ 61.009594][ T567] vfs_write+0xb57/0xe50 [ 61.013910][ T567] ksys_write+0x157/0x260 [ 61.018218][ T567] __x64_sys_write+0x7b/0x90 [ 61.022814][ T567] do_syscall_64+0x34/0x70 [ 61.027213][ T567] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.033779][ T567] RIP: 0033:0x7fa1a960b0e9 [ 61.038175][ 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 [ 61.058011][ T567] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.066653][ T567] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 61.074711][ T567] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 61.082771][ T567] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 61.090745][ T567] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.098708][ T567] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 61.107133][ T567] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 61.114235][ T567] !!! cgroup_apply_control_disable [ 61.119344][ T567] !!! cgroup_apply_control_disable kill_css ffff888110a14c00 [ 61.126974][ T567] !!! cgroup_apply_control_disable kill_css ffff888110a16c00 [ 61.134642][ T567] !!! cgroup_apply_control_disable kill_css ffff888110a15400 [ 61.171968][ C1] !!! css_killed_ref_fn css ffff888110a16c00 !!! [ 61.171987][ C0] !!! css_killed_ref_fn css ffff888110a14c00 !!! [ 61.178500][ T19] !!! css_put is ALREADY zero css or dying ffff888110a16c00 !!! [ 61.192604][ C1] !!! css_killed_ref_fn css ffff888110a15400 !!! [ 61.199619][ T19] !!! css_put is ALREADY zero css or dying ffff888110a15400 !!! [ 61.208083][ T74] !!! css_put is ALREADY zero css or dying ffff888110a14c00 !!! [ 61.215958][ T612] !!! css_create !!! [ 61.219925][ T612] !!! css_create !!! [ 61.224131][ T612] !!! css_create !!! [ 61.228492][ T612] FAULT_INJECTION: forcing a failure. [ 61.228492][ T612] name failslab, interval 1, probability 0, space 0, times 0 [ 61.241328][ T612] CPU: 0 PID: 612 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 61.252985][ T612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.263296][ T612] Call Trace: [ 61.266572][ T612] dump_stack+0x19c/0x1e2 [ 61.270885][ T612] should_fail+0x3f7/0x5b0 [ 61.275479][ T612] __should_failslab+0xd2/0x130 [ 61.280310][ T612] should_failslab+0x9/0x20 [ 61.285151][ T612] slab_pre_alloc_hook+0x25/0xe0 [ 61.290078][ T612] kmem_cache_alloc_trace+0x47/0x2b0 [ 61.295351][ T612] ? percpu_ref_init+0xd0/0x330 [ 61.300272][ T612] percpu_ref_init+0xd0/0x330 [ 61.304929][ T612] ? cgroup_setup_root+0x8a0/0x8a0 [ 61.310026][ T612] cgroup_apply_control_enable+0x49f/0xfc0 [ 61.316189][ T612] cgroup_apply_control+0x36/0x710 [ 61.321491][ T612] ? init_wait_entry+0xe0/0xe0 [ 61.326265][ T612] ? cgroup_kn_lock_live+0x1af/0x370 [ 61.331550][ T612] cgroup_subtree_control_write+0xd05/0x12d0 [ 61.337607][ T612] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 61.343590][ T612] cgroup_file_write+0x22f/0x4f0 [ 61.348546][ T612] kernfs_fop_write_iter+0x2cd/0x410 [ 61.353908][ T612] ? cgroup_seqfile_stop+0xc0/0xc0 [ 61.359105][ T612] vfs_write+0xb57/0xe50 [ 61.363340][ T612] ksys_write+0x157/0x260 [ 61.367914][ T612] __x64_sys_write+0x7b/0x90 [ 61.372517][ T612] do_syscall_64+0x34/0x70 [ 61.377102][ T612] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.383175][ T612] RIP: 0033:0x7f2442a680e9 [ 61.387777][ T612] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 61.407543][ T612] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.415939][ T612] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 61.423889][ T612] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 61.431848][ T612] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 61.439804][ T612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.447774][ T612] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 61.456907][ T612] !!! cgroup_apply_control_disable [ 61.462104][ T612] !!! cgroup_apply_control_disable kill_css ffff888110b78c00 [ 61.469683][ T612] !!! cgroup_apply_control_disable kill_css ffff88810e68c800 [ 61.511985][ C1] !!! css_killed_ref_fn css ffff888110b78c00 !!! [ 61.518372][ C1] !!! css_killed_ref_fn css ffff88810e68c800 !!! [ 61.524896][ T19] !!! css_put is ALREADY zero css or dying ffff888110b78c00 !!! [ 61.532743][ T19] !!! css_put is ALREADY zero css or dying ffff88810e68c800 !!! [ 61.541107][ T614] !!! css_create !!! [ 61.545305][ T614] !!! css_create !!! [ 61.549278][ T614] !!! css_create !!! [ 61.553612][ T614] FAULT_INJECTION: forcing a failure. [ 61.553612][ T614] name failslab, interval 1, probability 0, space 0, times 0 [ 61.566520][ T614] CPU: 1 PID: 614 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 61.578231][ T614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.588966][ T614] Call Trace: [ 61.592283][ T614] dump_stack+0x19c/0x1e2 [ 61.596593][ T614] should_fail+0x3f7/0x5b0 [ 61.601000][ T614] __should_failslab+0xd2/0x130 [ 61.606051][ T614] should_failslab+0x9/0x20 [ 61.610717][ T614] slab_pre_alloc_hook+0x25/0xe0 [ 61.615736][ T614] ? __kernfs_new_node+0x4c/0x6d0 [ 61.620804][ T614] __kmalloc_track_caller+0x70/0x300 [ 61.626082][ T614] ? __kernfs_new_node+0x4c/0x6d0 [ 61.631084][ T614] kstrdup_const+0x55/0x90 [ 61.635494][ T614] __kernfs_new_node+0x4c/0x6d0 [ 61.640325][ T614] ? string+0x29f/0x2b0 [ 61.644467][ T614] ? vsnprintf+0x1a6c/0x1b30 [ 61.649055][ T614] kernfs_new_node+0x97/0x170 [ 61.653782][ T614] __kernfs_create_file+0x4a/0x270 [ 61.658878][ T614] cgroup_addrm_files+0x99e/0xeb0 [ 61.664064][ T614] ? delete_node+0x747/0x7a0 [ 61.668708][ T614] ? node_tag_clear+0x1a0/0x2c0 [ 61.673822][ T614] css_populate_dir+0x137/0x370 [ 61.678966][ T614] cgroup_apply_control_enable+0x31e/0xfc0 [ 61.684769][ T614] cgroup_apply_control+0x36/0x710 [ 61.689990][ T614] ? init_wait_entry+0xe0/0xe0 [ 61.694834][ T614] ? cgroup_kn_lock_live+0x1af/0x370 [ 61.700294][ T614] cgroup_subtree_control_write+0xd05/0x12d0 [ 61.706261][ T614] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 61.712231][ T614] cgroup_file_write+0x22f/0x4f0 [ 61.717352][ T614] kernfs_fop_write_iter+0x2cd/0x410 [ 61.722816][ T614] ? cgroup_seqfile_stop+0xc0/0xc0 [ 61.727908][ T614] vfs_write+0xb57/0xe50 [ 61.732134][ T614] ksys_write+0x157/0x260 [ 61.736556][ T614] __x64_sys_write+0x7b/0x90 [ 61.741135][ T614] do_syscall_64+0x34/0x70 [ 61.745637][ T614] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.751515][ T614] RIP: 0033:0x7f773a1c40e9 [ 61.755999][ T614] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 61.775927][ T614] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.784426][ T614] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 61.792387][ T614] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 61.800549][ T614] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 61.808615][ T614] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.816666][ T614] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 61.825205][ T614] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 61.832507][ T614] !!! cgroup_apply_control_disable [ 61.837709][ T614] !!! cgroup_apply_control_disable kill_css ffff888110d84000 [ 61.845240][ T614] !!! cgroup_apply_control_disable kill_css ffff888110d84c00 [ 61.852860][ T614] !!! cgroup_apply_control_disable kill_css ffff888110d83400 [ 61.881983][ C0] !!! css_killed_ref_fn css ffff888110d84000 !!! [ 61.888545][ T74] !!! css_put is ALREADY zero css or dying ffff888110d84000 !!! [ 61.896744][ C0] !!! css_killed_ref_fn css ffff888110d84c00 !!! [ 61.896759][ C0] !!! css_killed_ref_fn css ffff888110d83400 !!! [ 61.909823][ T74] !!! css_put is ALREADY zero css or dying ffff888110d84c00 !!! [ 61.917923][ T74] !!! css_put is ALREADY zero css or dying ffff888110d83400 !!! [ 61.925862][ T613] !!! css_create !!! [ 61.929857][ T613] !!! css_create !!! [ 61.933968][ T613] !!! css_create !!! [ 61.937969][ T613] FAULT_INJECTION: forcing a failure. [ 61.937969][ T613] name failslab, interval 1, probability 0, space 0, times 0 [ 61.951223][ T613] CPU: 0 PID: 613 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 61.962752][ T613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.972900][ T613] Call Trace: [ 61.976181][ T613] dump_stack+0x19c/0x1e2 [ 61.980582][ T613] should_fail+0x3f7/0x5b0 [ 61.985090][ T613] __should_failslab+0xd2/0x130 [ 61.989929][ T613] should_failslab+0x9/0x20 [ 61.994461][ T613] slab_pre_alloc_hook+0x25/0xe0 [ 61.999914][ T613] ? __kernfs_new_node+0x4c/0x6d0 [ 62.004933][ T613] __kmalloc_track_caller+0x70/0x300 [ 62.010197][ T613] ? __kernfs_new_node+0x4c/0x6d0 [ 62.015224][ T613] kstrdup_const+0x55/0x90 [ 62.019707][ T613] __kernfs_new_node+0x4c/0x6d0 [ 62.024551][ T613] ? string+0x29f/0x2b0 [ 62.028958][ T613] ? vsnprintf+0x1a6c/0x1b30 [ 62.033815][ T613] kernfs_new_node+0x97/0x170 [ 62.038484][ T613] __kernfs_create_file+0x4a/0x270 [ 62.043581][ T613] cgroup_addrm_files+0x99e/0xeb0 [ 62.048689][ T613] ? delete_node+0x747/0x7a0 [ 62.053344][ T613] ? node_tag_clear+0x1a0/0x2c0 [ 62.058577][ T613] css_populate_dir+0x137/0x370 [ 62.063505][ T613] cgroup_apply_control_enable+0x31e/0xfc0 [ 62.069293][ T613] cgroup_apply_control+0x36/0x710 [ 62.074518][ T613] ? init_wait_entry+0xe0/0xe0 [ 62.079277][ T613] ? cgroup_kn_lock_live+0x1af/0x370 [ 62.084665][ T613] cgroup_subtree_control_write+0xd05/0x12d0 [ 62.090712][ T613] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 62.096688][ T613] cgroup_file_write+0x22f/0x4f0 [ 62.101626][ T613] kernfs_fop_write_iter+0x2cd/0x410 [ 62.107058][ T613] ? cgroup_seqfile_stop+0xc0/0xc0 [ 62.112266][ T613] vfs_write+0xb57/0xe50 [ 62.116505][ T613] ksys_write+0x157/0x260 [ 62.120824][ T613] __x64_sys_write+0x7b/0x90 [ 62.125679][ T613] do_syscall_64+0x34/0x70 [ 62.130083][ T613] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.136047][ T613] RIP: 0033:0x7f79b35de0e9 [ 62.140440][ T613] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 62.160026][ T613] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.168416][ T613] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 62.176634][ T613] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 62.184586][ T613] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 62.192802][ T613] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.200761][ T613] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 62.209161][ T613] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 62.216271][ T613] !!! cgroup_apply_control_disable [ 62.221466][ T613] !!! cgroup_apply_control_disable kill_css ffff888110d80000 [ 62.228917][ T613] !!! cgroup_apply_control_disable kill_css ffff888110d81400 [ 62.236336][ T613] !!! cgroup_apply_control_disable kill_css ffff888110d80400 [ 62.271991][ C0] !!! css_killed_ref_fn css ffff888110d80000 !!! [ 62.278573][ C0] !!! css_killed_ref_fn css ffff888110d81400 !!! [ 62.284922][ C0] !!! css_killed_ref_fn css ffff888110d80400 !!! [ 62.291456][ T74] !!! css_put is ALREADY zero css or dying ffff888110d80000 !!! [ 62.299236][ T74] !!! css_put is ALREADY zero css or dying ffff888110d81400 !!! [ 62.307719][ T74] !!! css_put is ALREADY zero css or dying ffff888110d80400 !!! [ 62.316232][ T616] !!! css_create !!! [ 62.320265][ T616] !!! css_create !!! [ 62.324759][ T616] !!! css_create !!! [ 62.328727][ T616] FAULT_INJECTION: forcing a failure. [ 62.328727][ T616] name failslab, interval 1, probability 0, space 0, times 0 [ 62.341505][ T616] CPU: 1 PID: 616 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 62.353533][ T616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.363573][ T616] Call Trace: [ 62.366841][ T616] dump_stack+0x19c/0x1e2 [ 62.371147][ T616] should_fail+0x3f7/0x5b0 [ 62.375645][ T616] __should_failslab+0xd2/0x130 [ 62.380474][ T616] should_failslab+0x9/0x20 [ 62.385409][ T616] slab_pre_alloc_hook+0x25/0xe0 [ 62.390321][ T616] ? __kernfs_new_node+0x4c/0x6d0 [ 62.395600][ T616] __kmalloc_track_caller+0x70/0x300 [ 62.401002][ T616] ? __kernfs_new_node+0x4c/0x6d0 [ 62.406406][ T616] kstrdup_const+0x55/0x90 [ 62.410840][ T616] __kernfs_new_node+0x4c/0x6d0 [ 62.415675][ T616] ? string+0x29f/0x2b0 [ 62.419820][ T616] ? vsnprintf+0x1a6c/0x1b30 [ 62.424536][ T616] kernfs_new_node+0x97/0x170 [ 62.431949][ T616] __kernfs_create_file+0x4a/0x270 [ 62.437043][ T616] cgroup_addrm_files+0x99e/0xeb0 [ 62.442043][ T616] ? delete_node+0x747/0x7a0 [ 62.446604][ T616] ? node_tag_clear+0x1a0/0x2c0 [ 62.451429][ T616] css_populate_dir+0x137/0x370 [ 62.456256][ T616] cgroup_apply_control_enable+0x31e/0xfc0 [ 62.462034][ T616] cgroup_apply_control+0x36/0x710 [ 62.467117][ T616] ? init_wait_entry+0xe0/0xe0 [ 62.471959][ T616] ? cgroup_kn_lock_live+0x1af/0x370 [ 62.477217][ T616] cgroup_subtree_control_write+0xd05/0x12d0 [ 62.483172][ T616] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 62.489403][ T616] cgroup_file_write+0x22f/0x4f0 [ 62.494484][ T616] kernfs_fop_write_iter+0x2cd/0x410 [ 62.499786][ T616] ? cgroup_seqfile_stop+0xc0/0xc0 [ 62.504954][ T616] vfs_write+0xb57/0xe50 [ 62.509190][ T616] ksys_write+0x157/0x260 [ 62.513597][ T616] __x64_sys_write+0x7b/0x90 [ 62.518294][ T616] do_syscall_64+0x34/0x70 [ 62.522791][ T616] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.528690][ T616] RIP: 0033:0x7fa1a960b0e9 [ 62.533110][ T616] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 62.552873][ T616] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.561804][ T616] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 62.569835][ T616] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 62.577865][ T616] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 62.585906][ T616] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.594043][ T616] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 62.602884][ T616] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 62.610410][ T616] !!! cgroup_apply_control_disable [ 62.615735][ T616] !!! cgroup_apply_control_disable kill_css ffff888110fe0000 [ 62.623432][ T616] !!! cgroup_apply_control_disable kill_css ffff888110fe1400 [ 62.631031][ T616] !!! cgroup_apply_control_disable kill_css ffff888110fe0400 [ 62.662017][ C1] !!! css_killed_ref_fn css ffff888110fe0000 !!! [ 62.668646][ C1] !!! css_killed_ref_fn css ffff888110fe1400 !!! [ 62.675040][ T19] !!! css_put is ALREADY zero css or dying ffff888110fe0000 !!! [ 62.682814][ T19] !!! css_put is ALREADY zero css or dying ffff888110fe1400 !!! [ 62.690734][ C1] !!! css_killed_ref_fn css ffff888110fe0400 !!! [ 62.697560][ T19] !!! css_put is ALREADY zero css or dying ffff888110fe0400 !!! [ 62.705379][ T615] !!! css_create !!! [ 62.709420][ T615] !!! css_create !!! [ 62.713482][ T615] !!! css_create !!! [ 62.717538][ T615] FAULT_INJECTION: forcing a failure. [ 62.717538][ T615] name failslab, interval 1, probability 0, space 0, times 0 [ 62.730486][ T615] CPU: 1 PID: 615 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 62.742118][ T615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.752242][ T615] Call Trace: [ 62.755563][ T615] dump_stack+0x19c/0x1e2 [ 62.759976][ T615] should_fail+0x3f7/0x5b0 [ 62.764369][ T615] __should_failslab+0xd2/0x130 [ 62.769211][ T615] should_failslab+0x9/0x20 [ 62.773698][ T615] slab_pre_alloc_hook+0x25/0xe0 [ 62.778613][ T615] ? __kernfs_new_node+0x4c/0x6d0 [ 62.783830][ T615] __kmalloc_track_caller+0x70/0x300 [ 62.789097][ T615] ? __kernfs_new_node+0x4c/0x6d0 [ 62.794186][ T615] kstrdup_const+0x55/0x90 [ 62.798579][ T615] __kernfs_new_node+0x4c/0x6d0 [ 62.803414][ T615] ? string+0x29f/0x2b0 [ 62.807564][ T615] ? vsnprintf+0x1a6c/0x1b30 [ 62.812132][ T615] kernfs_new_node+0x97/0x170 [ 62.816784][ T615] __kernfs_create_file+0x4a/0x270 [ 62.823112][ T615] cgroup_addrm_files+0x99e/0xeb0 [ 62.828184][ T615] ? delete_node+0x747/0x7a0 [ 62.832838][ T615] ? node_tag_clear+0x1a0/0x2c0 [ 62.837668][ T615] css_populate_dir+0x137/0x370 [ 62.842497][ T615] cgroup_apply_control_enable+0x31e/0xfc0 [ 62.848300][ T615] cgroup_apply_control+0x36/0x710 [ 62.853493][ T615] ? init_wait_entry+0xe0/0xe0 [ 62.858348][ T615] ? cgroup_kn_lock_live+0x1af/0x370 [ 62.863610][ T615] cgroup_subtree_control_write+0xd05/0x12d0 [ 62.869852][ T615] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 62.875834][ T615] cgroup_file_write+0x22f/0x4f0 [ 62.881023][ T615] kernfs_fop_write_iter+0x2cd/0x410 [ 62.886524][ T615] ? cgroup_seqfile_stop+0xc0/0xc0 [ 62.891703][ T615] vfs_write+0xb57/0xe50 [ 62.896110][ T615] ksys_write+0x157/0x260 [ 62.900420][ T615] __x64_sys_write+0x7b/0x90 [ 62.905104][ T615] do_syscall_64+0x34/0x70 [ 62.909586][ T615] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.915578][ T615] RIP: 0033:0x7f69313bd0e9 [ 62.920092][ T615] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 62.939855][ T615] RSP: 002b:00007f6931312168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.948247][ T615] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 62.956296][ T615] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 62.964335][ T615] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 62.972283][ T615] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.980232][ T615] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 62.988640][ T615] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 62.995918][ T615] !!! cgroup_apply_control_disable [ 63.001511][ T615] !!! cgroup_apply_control_disable kill_css ffff888111139800 [ 63.009030][ T615] !!! cgroup_apply_control_disable kill_css ffff88811113a000 [ 63.016605][ T615] !!! cgroup_apply_control_disable kill_css ffff888111138800 [ 63.041962][ C1] !!! css_killed_ref_fn css ffff888111139800 !!! [ 63.048574][ T375] !!! css_put is ALREADY zero css or dying ffff888111139800 !!! [ 63.056565][ C1] !!! css_killed_ref_fn css ffff88811113a000 !!! [ 63.062941][ C1] !!! css_killed_ref_fn css ffff888111138800 !!! [ 63.069393][ T375] !!! css_put is ALREADY zero css or dying ffff88811113a000 !!! [ 63.077634][ T375] !!! css_put is ALREADY zero css or dying ffff888111138800 !!! [ 63.085652][ T622] !!! css_create !!! [ 63.089744][ T622] !!! css_create !!! [ 63.094661][ T622] !!! css_create !!! [ 63.098613][ T622] FAULT_INJECTION: forcing a failure. [ 63.098613][ T622] name failslab, interval 1, probability 0, space 0, times 0 [ 63.111339][ T622] CPU: 1 PID: 622 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 63.122967][ T622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.133395][ T622] Call Trace: [ 63.136676][ T622] dump_stack+0x19c/0x1e2 [ 63.141087][ T622] should_fail+0x3f7/0x5b0 [ 63.146300][ T622] __should_failslab+0xd2/0x130 [ 63.151139][ T622] should_failslab+0x9/0x20 [ 63.155640][ T622] slab_pre_alloc_hook+0x25/0xe0 [ 63.160578][ T622] ? __kernfs_new_node+0x4c/0x6d0 [ 63.165590][ T622] __kmalloc_track_caller+0x70/0x300 [ 63.170948][ T622] ? __kernfs_new_node+0x4c/0x6d0 [ 63.175958][ T622] kstrdup_const+0x55/0x90 [ 63.180351][ T622] __kernfs_new_node+0x4c/0x6d0 [ 63.185324][ T622] ? string+0x29f/0x2b0 [ 63.189512][ T622] ? vsnprintf+0x1a6c/0x1b30 [ 63.194164][ T622] kernfs_new_node+0x97/0x170 [ 63.198831][ T622] __kernfs_create_file+0x4a/0x270 [ 63.204029][ T622] cgroup_addrm_files+0x99e/0xeb0 [ 63.209060][ T622] ? delete_node+0x747/0x7a0 [ 63.213759][ T622] ? node_tag_clear+0x1a0/0x2c0 [ 63.218824][ T622] css_populate_dir+0x137/0x370 [ 63.223676][ T622] cgroup_apply_control_enable+0x31e/0xfc0 [ 63.229576][ T622] cgroup_apply_control+0x36/0x710 [ 63.234673][ T622] ? init_wait_entry+0xe0/0xe0 [ 63.239423][ T622] ? cgroup_kn_lock_live+0x1af/0x370 [ 63.244696][ T622] cgroup_subtree_control_write+0xd05/0x12d0 [ 63.250668][ T622] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 63.256664][ T622] cgroup_file_write+0x22f/0x4f0 [ 63.261684][ T622] kernfs_fop_write_iter+0x2cd/0x410 [ 63.267034][ T622] ? cgroup_seqfile_stop+0xc0/0xc0 [ 63.272126][ T622] vfs_write+0xb57/0xe50 [ 63.276359][ T622] ksys_write+0x157/0x260 [ 63.280665][ T622] __x64_sys_write+0x7b/0x90 [ 63.285319][ T622] do_syscall_64+0x34/0x70 [ 63.289724][ T622] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.295683][ T622] RIP: 0033:0x7f773a1c40e9 [ 63.300118][ T622] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 63.319706][ T622] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.328101][ T622] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 63.336053][ T622] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 63.344004][ T622] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 63.351957][ T622] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.359906][ T622] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 63.369051][ T622] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 63.376195][ T622] !!! cgroup_apply_control_disable [ 63.381307][ T622] !!! cgroup_apply_control_disable kill_css ffff88810e842400 [ 63.388976][ T622] !!! cgroup_apply_control_disable kill_css ffff88810e840400 [ 63.397197][ T622] !!! cgroup_apply_control_disable kill_css ffff88810e841400 [ 63.422007][ C0] !!! css_killed_ref_fn css ffff88810e842400 !!! [ 63.428377][ T5] !!! css_put is ALREADY zero css or dying ffff88810e842400 !!! [ 63.436202][ C0] !!! css_killed_ref_fn css ffff88810e840400 !!! [ 63.436213][ C0] !!! css_killed_ref_fn css ffff88810e841400 !!! [ 63.449226][ T5] !!! css_put is ALREADY zero css or dying ffff88810e840400 !!! [ 63.457001][ T5] !!! css_put is ALREADY zero css or dying ffff88810e841400 !!! [ 63.464741][ T625] !!! css_create !!! [ 63.468880][ T625] !!! css_create !!! [ 63.473025][ T625] !!! css_create !!! [ 63.477136][ T625] FAULT_INJECTION: forcing a failure. [ 63.477136][ T625] name failslab, interval 1, probability 0, space 0, times 0 [ 63.490230][ T625] CPU: 0 PID: 625 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 63.501898][ T625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.512073][ T625] Call Trace: [ 63.515442][ T625] dump_stack+0x19c/0x1e2 [ 63.519755][ T625] should_fail+0x3f7/0x5b0 [ 63.524152][ T625] __should_failslab+0xd2/0x130 [ 63.529242][ T625] should_failslab+0x9/0x20 [ 63.533721][ T625] slab_pre_alloc_hook+0x25/0xe0 [ 63.538665][ T625] kmem_cache_alloc_trace+0x47/0x2b0 [ 63.543946][ T625] ? pids_css_alloc+0x4e/0x120 [ 63.548705][ T625] pids_css_alloc+0x4e/0x120 [ 63.553276][ T625] cgroup_apply_control_enable+0x44e/0xfc0 [ 63.559078][ T625] cgroup_apply_control+0x36/0x710 [ 63.564269][ T625] ? init_wait_entry+0xe0/0xe0 [ 63.569014][ T625] ? cgroup_kn_lock_live+0x1af/0x370 [ 63.574286][ T625] cgroup_subtree_control_write+0xd05/0x12d0 [ 63.580330][ T625] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 63.586385][ T625] cgroup_file_write+0x22f/0x4f0 [ 63.591326][ T625] kernfs_fop_write_iter+0x2cd/0x410 [ 63.596612][ T625] ? cgroup_seqfile_stop+0xc0/0xc0 [ 63.601700][ T625] vfs_write+0xb57/0xe50 [ 63.605930][ T625] ksys_write+0x157/0x260 [ 63.610242][ T625] __x64_sys_write+0x7b/0x90 [ 63.614814][ T625] do_syscall_64+0x34/0x70 [ 63.619220][ T625] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.625100][ T625] RIP: 0033:0x7f79b35de0e9 [ 63.629490][ T625] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 63.649345][ T625] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.658791][ T625] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 2022/05/31 19:48:24 executed programs: 68 [ 63.666879][ T625] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 63.674935][ T625] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 63.683086][ T625] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.691242][ T625] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 63.700324][ T625] !!! cgroup_apply_control_disable [ 63.706743][ T625] !!! cgroup_apply_control_disable kill_css ffff88811106e800 [ 63.714272][ T625] !!! cgroup_apply_control_disable kill_css ffff888111207800 [ 63.751958][ C0] !!! css_killed_ref_fn css ffff88811106e800 !!! [ 63.758503][ C0] !!! css_killed_ref_fn css ffff888111207800 !!! [ 63.764980][ T5] !!! css_put is ALREADY zero css or dying ffff88811106e800 !!! [ 63.772917][ T5] !!! css_put is ALREADY zero css or dying ffff888111207800 !!! [ 63.780883][ T619] !!! css_create !!! [ 63.785076][ T619] !!! css_create !!! [ 63.789077][ T619] !!! css_create !!! [ 63.793267][ T619] FAULT_INJECTION: forcing a failure. [ 63.793267][ T619] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 63.806710][ T619] CPU: 1 PID: 619 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 63.818243][ T619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.828540][ T619] Call Trace: [ 63.831898][ T619] dump_stack+0x19c/0x1e2 [ 63.836223][ T619] should_fail+0x3f7/0x5b0 [ 63.840632][ T619] should_fail_alloc_page+0xa9/0xd0 [ 63.845819][ T619] __alloc_pages_nodemask+0x121/0x740 [ 63.851400][ T619] ? pcpu_alloc_area+0x7ab/0x900 [ 63.856322][ T619] allocate_slab+0x72/0x580 [ 63.860808][ T619] ___slab_alloc+0x131/0x2e0 [ 63.865655][ T619] ? percpu_ref_init+0xd0/0x330 [ 63.870582][ T619] __slab_alloc+0x63/0xa0 [ 63.875168][ T619] ? percpu_ref_init+0xd0/0x330 [ 63.880016][ T619] kmem_cache_alloc_trace+0xe5/0x2b0 [ 63.885373][ T619] ? percpu_ref_init+0xd0/0x330 [ 63.890202][ T619] percpu_ref_init+0xd0/0x330 [ 63.894880][ T619] ? cgroup_setup_root+0x8a0/0x8a0 [ 63.900069][ T619] cgroup_apply_control_enable+0x49f/0xfc0 [ 63.906149][ T619] cgroup_apply_control+0x36/0x710 [ 63.911342][ T619] ? init_wait_entry+0xe0/0xe0 [ 63.916100][ T619] ? cgroup_kn_lock_live+0x1af/0x370 [ 63.921374][ T619] cgroup_subtree_control_write+0xd05/0x12d0 [ 63.927477][ T619] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 63.933459][ T619] cgroup_file_write+0x22f/0x4f0 [ 63.938481][ T619] kernfs_fop_write_iter+0x2cd/0x410 [ 63.943759][ T619] ? cgroup_seqfile_stop+0xc0/0xc0 [ 63.949206][ T619] vfs_write+0xb57/0xe50 [ 63.953694][ T619] ksys_write+0x157/0x260 [ 63.958109][ T619] __x64_sys_write+0x7b/0x90 [ 63.963113][ T619] do_syscall_64+0x34/0x70 [ 63.967507][ T619] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.973480][ T619] RIP: 0033:0x7f2442a680e9 [ 63.977895][ T619] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 63.998132][ T619] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.006990][ T619] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 64.015040][ T619] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 64.023614][ T619] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 64.031580][ T619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 64.039535][ T619] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 64.048615][ T619] !!! css_create !!! [ 64.052737][ T619] !!! css_create !!! [ 64.056710][ T619] !!! css_create !!! [ 64.060999][ T619] !!! cgroup_apply_control_disable [ 64.066626][ T590] !!! cgroup_apply_control_disable [ 64.071754][ T590] !!! cgroup_apply_control_disable kill_css ffff88811106d800 [ 64.071837][ T415] ------------[ cut here ]------------ [ 64.079574][ T590] !!! cgroup_apply_control_disable kill_css ffff88811106e400 [ 64.084940][ T415] WARNING: CPU: 1 PID: 415 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 64.084943][ T415] Modules linked in: [ 64.084965][ T415] CPU: 1 PID: 415 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 64.092617][ T590] !!! cgroup_apply_control_disable kill_css ffff88811106c400 [ 64.101607][ T415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.106241][ T590] !!! cgroup_apply_control_disable kill_css ffff888111498800 [ 64.117576][ T415] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 64.117593][ T415] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 64.125215][ T590] !!! cgroup_apply_control_disable kill_css ffff88811149b800 [ 64.135204][ T415] RSP: 0018:ffffc90000f37d58 EFLAGS: 00010293 [ 64.142878][ T590] !!! cgroup_apply_control_disable kill_css ffff88811149a800 [ 64.148278][ T415] RAX: ffffffff81af07bc RBX: ffff88810cfd89e0 RCX: ffff8881028fcc40 [ 64.197321][ T415] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 64.205385][ T415] RBP: ffffc90000f37dc8 R08: ffffffff81af04e7 R09: fffff520001e6fa3 [ 64.213455][ T415] R10: fffff520001e6fa3 R11: 1ffff920001e6fa2 R12: dffffc0000000000 [ 64.221405][ T415] R13: ffff88810cfd8900 R14: 00000000ffffffff R15: 0000000000000000 [ 64.229416][ T415] FS: 00005555558d3400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 64.238354][ T415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.244947][ T415] CR2: 00005555558dcb38 CR3: 0000000114b99000 CR4: 00000000003506a0 [ 64.252944][ T415] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.260905][ T415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.269969][ T415] Call Trace: [ 64.273275][ T415] ? init_wait_entry+0xe0/0xe0 [ 64.278137][ T415] ? up_write+0x68/0x140 [ 64.282419][ T415] namespace_unlock+0x377/0x420 [ 64.287397][ T415] path_umount+0xe23/0xed0 [ 64.291939][ T415] __x64_sys_umount+0xe8/0x110 [ 64.297020][ T415] do_syscall_64+0x34/0x70 [ 64.301433][ T415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.307405][ T415] RIP: 0033:0x7f2442a69557 [ 64.311826][ T415] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 64.331580][ T415] RSP: 002b:00007ffe51e30eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 64.340448][ T415] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2442a69557 [ 64.348476][ T415] RDX: 00007ffe51e30f8a RSI: 000000000000000a RDI: 00007ffe51e30f80 [ 64.356678][ T415] RBP: 00007ffe51e30f80 R08: 00000000ffffffff R09: 00007ffe51e30d50 [ 64.364749][ T415] R10: 00005555558d4ba3 R11: 0000000000000246 R12: 00007f2442ac11f8 [ 64.372735][ T415] R13: 00007ffe51e32040 R14: 00005555558d4b00 R15: 00007ffe51e32080 [ 64.380773][ T415] ---[ end trace fca5e2e0f619f9ec ]--- [ 64.386303][ T415] ------------[ cut here ]------------ [ 64.392004][ T415] WARNING: CPU: 1 PID: 415 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 64.400930][ T415] Modules linked in: [ 64.405021][ C1] !!! css_put is ALREADY zero css or dying ffff88811106e400 !!! [ 64.412777][ T415] CPU: 1 PID: 415 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 64.424389][ T415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.434478][ T415] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 64.440323][ T415] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 64.459945][ T415] RSP: 0018:ffffc90000f37dd0 EFLAGS: 00010293 [ 64.466046][ T415] RAX: ffffffff81af07bc RBX: ffff88810cfd89e0 RCX: ffff8881028fcc40 [ 64.474284][ T415] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 64.482530][ T415] RBP: ffffc90000f37e40 R08: ffffffff81af04e7 R09: fffff520001e6fb2 [ 64.490487][ T415] R10: fffff520001e6fb2 R11: 1ffff920001e6fb1 R12: dffffc0000000000 [ 64.499063][ T415] R13: ffff88810cfd8900 R14: 00000000ffffffff R15: 0000000000000000 [ 64.507082][ T415] FS: 00005555558d3400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 64.516067][ T415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.522669][ T415] CR2: 00005555558dcb38 CR3: 0000000114b99000 CR4: 00000000003506a0 [ 64.530632][ T415] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.538708][ T415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.546732][ T415] Call Trace: [ 64.550103][ T415] path_umount+0x1ad/0xed0 [ 64.554554][ T415] __x64_sys_umount+0xe8/0x110 [ 64.559403][ T415] do_syscall_64+0x34/0x70 [ 64.564494][ T415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.570508][ T415] RIP: 0033:0x7f2442a69557 [ 64.575049][ T415] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 64.594924][ T415] RSP: 002b:00007ffe51e30eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 64.603677][ T415] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2442a69557 [ 64.611688][ T415] RDX: 00007ffe51e30f8a RSI: 000000000000000a RDI: 00007ffe51e30f80 [ 64.619681][ T415] RBP: 00007ffe51e30f80 R08: 00000000ffffffff R09: 00007ffe51e30d50 [ 64.627773][ T415] R10: 00005555558d4ba3 R11: 0000000000000246 R12: 00007f2442ac11f8 [ 64.636363][ T415] R13: 00007ffe51e32040 R14: 00005555558d4b00 R15: 00007ffe51e32080 [ 64.644494][ T415] ---[ end trace fca5e2e0f619f9ed ]--- [ 64.652192][ C0] !!! css_killed_ref_fn css ffff88811106d800 !!! [ 64.658546][ C0] !!! css_killed_ref_fn css ffff88811106e400 !!! [ 64.664885][ C0] ------------[ cut here ]------------ [ 64.670401][ C0] percpu ref (css_release) <= 0 (0) after switching to atomic [ 64.670465][ C0] WARNING: CPU: 0 PID: 415 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 64.688855][ C0] Modules linked in: [ 64.692778][ C0] CPU: 0 PID: 415 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 64.704509][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.714829][ C0] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 64.721765][ C0] Code: 00 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ff e8 43 77 64 ff 49 8b 17 48 c7 c7 c0 e1 02 85 48 89 de 31 c0 e8 6f c3 01 ff <0f> 0b e9 2d fd ff ff e8 13 eb 2c ff 0f 0b e9 87 fe ff ff 48 c7 c1 [ 64.741756][ C0] RSP: 0018:ffffc90000007d50 EFLAGS: 00010246 [ 64.747859][ C0] RAX: d8f5974d96d0eb00 RBX: ffffffff81610640 RCX: ffff8881028fcc40 [ 64.756083][ C0] RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 [ 64.764264][ C0] RBP: ffffc90000007d98 R08: ffffffff815145e8 R09: fffff52000000f43 [ 64.772255][ C0] R10: fffff52000000f43 R11: 1ffff92000000f42 R12: ffff88810eaee9a0 [ 64.780785][ C0] R13: 0000000000000008 R14: 1ffff11021d5dd30 R15: ffff88810eaee980 [ 64.788918][ C0] FS: 00005555558d3400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 64.797992][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.804701][ C0] CR2: 00007f2442b4cb58 CR3: 0000000114b99000 CR4: 00000000003506b0 [ 64.812728][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.820977][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.828994][ C0] Call Trace: [ 64.832302][ C0] [ 64.835146][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 64.841184][ C0] rcu_do_batch+0x4ad/0xb00 [ 64.845707][ C0] rcu_core+0x64a/0xdf0 [ 64.849852][ C0] rcu_core_si+0x9/0x10 [ 64.854021][ C0] __do_softirq+0x253/0x67b [ 64.858629][ C0] asm_call_irq_on_stack+0xf/0x20 [ 64.863772][ C0] [ 64.866788][ C0] do_softirq_own_stack+0x60/0x80 [ 64.871887][ C0] __irq_exit_rcu+0x152/0x1e0 [ 64.876581][ C0] irq_exit_rcu+0x9/0x10 [ 64.880926][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 64.886573][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 64.893265][ C0] RIP: 0010:unwind_next_frame+0x343/0x780 [ 64.899058][ C0] Code: 07 48 85 c0 74 1d 49 89 c4 80 3c 0b 00 74 08 4c 89 ff e8 e0 3d 6e 00 49 c7 07 00 00 00 00 4d 89 e5 eb 72 4d 85 ed 48 8b 5d b8 <74> 1f 49 83 c5 20 4c 89 e8 48 c1 e8 03 80 3c 08 00 74 08 4c 89 ef [ 64.919617][ C0] RSP: 0018:ffffc90000f37618 EFLAGS: 00000246 [ 64.925886][ C0] RAX: 0000000000000000 RBX: ffffc90000f376e0 RCX: dffffc0000000000 [ 64.933989][ C0] RDX: dffffc0000000000 RSI: ffffffff819adbac RDI: ffffc90000f37f48 [ 64.942004][ C0] RBP: ffffc90000f37698 R08: ffffc90000f37750 R09: 0000000000000003 [ 64.950225][ C0] R10: ffffc90000f37758 R11: 1ffff920001e6ed5 R12: ffffc90000f37f58 [ 64.958230][ C0] R13: 0000000000000000 R14: ffffc90000f376a8 R15: ffffc90000f376f8 [ 64.966227][ C0] ? vfree+0x5c/0x90 [ 64.970243][ C0] ? unwind_next_frame+0x3b9/0x780 [ 64.975660][ C0] ? stack_trace_save+0x160/0x160 [ 64.980689][ C0] arch_stack_walk+0x112/0x140 [ 64.985522][ C0] ? vfree+0x5c/0x90 [ 64.989418][ C0] stack_trace_save+0xc4/0x160 [ 64.994355][ C0] save_stack+0x61/0x1e0 [ 64.998627][ C0] ? free_pcp_prepare+0x19e/0x1f0 [ 65.004043][ C0] ? __free_pages+0x29c/0x430 [ 65.008721][ C0] ? __vunmap+0x846/0x980 [ 65.013084][ C0] ? vfree+0x5c/0x90 [ 65.016999][ C0] __reset_page_owner+0x25/0x150 [ 65.021925][ C0] free_pcp_prepare+0x19e/0x1f0 [ 65.026828][ C0] __free_pages+0x29c/0x430 [ 65.031418][ C0] ? remove_vm_area+0x1d1/0x1f0 [ 65.036281][ C0] __vunmap+0x846/0x980 [ 65.040427][ C0] ? __kasan_check_read+0x11/0x20 [ 65.045473][ C0] ? clear_user+0x4c/0xb0 [ 65.049793][ C0] vfree+0x5c/0x90 [ 65.053530][ C0] do_ipt_get_ctl+0x10c8/0x15e0 [ 65.058392][ C0] nf_getsockopt+0x27a/0x2a0 [ 65.063012][ C0] ip_getsockopt+0x1362/0x1cd0 [ 65.067764][ C0] ? ptep_set_access_flags+0x79/0x120 [ 65.073147][ C0] ? avc_has_perm_noaudit+0x2dc/0x360 [ 65.078526][ C0] ? avc_has_perm_noaudit+0x2dc/0x360 [ 65.084001][ C0] ? memcpy+0x56/0x70 [ 65.087980][ C0] tcp_getsockopt+0x162/0x29c0 [ 65.092799][ C0] ? avc_has_perm+0x109/0x1c0 [ 65.097488][ C0] ? selinux_socket_getsockopt+0x1e5/0x2a0 [ 65.103315][ C0] sock_common_getsockopt+0x99/0xb0 [ 65.108514][ C0] ? sock_recv_errqueue+0x4a0/0x4a0 [ 65.113723][ C0] __sys_getsockopt+0x2ac/0x470 [ 65.118652][ C0] __x64_sys_getsockopt+0xbf/0xd0 [ 65.124121][ C0] do_syscall_64+0x34/0x70 [ 65.128530][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.134606][ C0] RIP: 0033:0x7f2442a6970a [ 65.139153][ C0] Code: 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 37 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 [ 65.159054][ C0] RSP: 002b:00007ffe51e318c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000037 [ 65.167790][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2442a6970a [ 65.175825][ C0] RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003 [ 65.183831][ C0] RBP: 00007ffe51e318f0 R08: 00007ffe51e318ec R09: fefefefeff646b66 [ 65.192014][ C0] R10: 00007ffe51e31950 R11: 0000000000000202 R12: 00007ffe51e31950 [ 65.200010][ C0] R13: 0000000000000003 R14: 00007ffe51e318ec R15: 00007f2442b4d160 [ 65.208415][ C0] ---[ end trace fca5e2e0f619f9ee ]--- [ 65.213899][ C0] !!! css_killed_ref_fn css ffff88811106c400 !!! [ 65.220275][ C0] !!! css_killed_ref_fn css ffff888111498800 !!! [ 65.226619][ C0] !!! css_killed_ref_fn css ffff88811149b800 !!! [ 65.233236][ C0] !!! css_killed_ref_fn css ffff88811149a800 !!! [ 65.239812][ T5] !!! css_put is ALREADY zero css or dying ffff88811106d800 !!! [ 65.248162][ T5] !!! css_put is ALREADY zero css or dying ffff88811106e400 !!! [ 65.256032][ T5] !!! css_put is ALREADY zero css or dying ffff88811106c400 !!! [ 65.263753][ T5] !!! css_put is ALREADY zero css or dying ffff888111498800 !!! [ 65.271694][ T5] !!! css_put is ALREADY zero css or dying ffff88811149b800 !!! [ 65.279460][ T5] !!! css_put is ALREADY zero css or dying ffff88811149a800 !!! [ 65.287669][ T591] !!! css_create !!! [ 65.291747][ T591] !!! css_create !!! [ 65.296093][ T591] !!! css_create !!! [ 65.300160][ T591] FAULT_INJECTION: forcing a failure. [ 65.300160][ T591] name failslab, interval 1, probability 0, space 0, times 0 [ 65.312973][ T591] CPU: 1 PID: 591 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 65.324514][ T591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.334634][ T591] Call Trace: [ 65.337915][ T591] dump_stack+0x19c/0x1e2 [ 65.342218][ T591] should_fail+0x3f7/0x5b0 [ 65.346622][ T591] __should_failslab+0xd2/0x130 [ 65.351446][ T591] should_failslab+0x9/0x20 [ 65.356616][ T591] slab_pre_alloc_hook+0x25/0xe0 [ 65.361684][ T591] ? __kernfs_new_node+0x4c/0x6d0 [ 65.366916][ T591] __kmalloc_track_caller+0x70/0x300 [ 65.372412][ T591] ? __kernfs_new_node+0x4c/0x6d0 [ 65.377420][ T591] kstrdup_const+0x55/0x90 [ 65.382070][ T591] __kernfs_new_node+0x4c/0x6d0 [ 65.387342][ T591] ? string+0x29f/0x2b0 [ 65.391482][ T591] ? vsnprintf+0x1a6c/0x1b30 [ 65.396060][ T591] kernfs_new_node+0x97/0x170 [ 65.400814][ T591] __kernfs_create_file+0x4a/0x270 [ 65.406027][ T591] cgroup_addrm_files+0x99e/0xeb0 [ 65.411119][ T591] ? delete_node+0x747/0x7a0 [ 65.415877][ T591] ? node_tag_clear+0x1a0/0x2c0 [ 65.420920][ T591] css_populate_dir+0x137/0x370 [ 65.425775][ T591] cgroup_apply_control_enable+0x31e/0xfc0 [ 65.431814][ T591] cgroup_apply_control+0x36/0x710 [ 65.436895][ T591] ? init_wait_entry+0xe0/0xe0 [ 65.441632][ T591] ? cgroup_kn_lock_live+0x1af/0x370 [ 65.446896][ T591] cgroup_subtree_control_write+0xd05/0x12d0 [ 65.452856][ T591] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 65.458992][ T591] cgroup_file_write+0x22f/0x4f0 [ 65.464048][ T591] kernfs_fop_write_iter+0x2cd/0x410 [ 65.469699][ T591] ? cgroup_seqfile_stop+0xc0/0xc0 [ 65.474799][ T591] vfs_write+0xb57/0xe50 [ 65.479175][ T591] ksys_write+0x157/0x260 [ 65.483837][ T591] __x64_sys_write+0x7b/0x90 [ 65.488502][ T591] do_syscall_64+0x34/0x70 [ 65.492946][ T591] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.498811][ T591] RIP: 0033:0x7f37291a60e9 [ 65.503199][ T591] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 65.522779][ T591] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.531292][ T591] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 65.539240][ T591] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 65.547459][ T591] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 65.555404][ T591] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 65.563368][ T591] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 65.571513][ T591] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 65.578832][ T591] !!! cgroup_apply_control_disable [ 65.584166][ T591] !!! cgroup_apply_control_disable kill_css ffff888111071c00 [ 65.591999][ T591] !!! cgroup_apply_control_disable kill_css ffff888111440c00 [ 65.599534][ T591] !!! cgroup_apply_control_disable kill_css ffff888111442c00 [ 65.631984][ C1] !!! css_killed_ref_fn css ffff888111071c00 !!! [ 65.638415][ T375] !!! css_put is ALREADY zero css or dying ffff888111071c00 !!! [ 65.646122][ C1] !!! css_killed_ref_fn css ffff888111440c00 !!! [ 65.646138][ C1] !!! css_killed_ref_fn css ffff888111442c00 !!! [ 65.659245][ T375] !!! css_put is ALREADY zero css or dying ffff888111440c00 !!! [ 65.668140][ T375] !!! css_put is ALREADY zero css or dying ffff888111442c00 !!! [ 65.676093][ T642] !!! css_create !!! [ 65.680092][ T642] !!! css_create !!! [ 65.684243][ T642] !!! css_create !!! [ 65.688511][ T642] FAULT_INJECTION: forcing a failure. [ 65.688511][ T642] name failslab, interval 1, probability 0, space 0, times 0 [ 65.701538][ T642] CPU: 1 PID: 642 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 65.713600][ T642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.723745][ T642] Call Trace: [ 65.727024][ T642] dump_stack+0x19c/0x1e2 [ 65.731513][ T642] should_fail+0x3f7/0x5b0 [ 65.735936][ T642] __should_failslab+0xd2/0x130 [ 65.740857][ T642] should_failslab+0x9/0x20 [ 65.745363][ T642] slab_pre_alloc_hook+0x25/0xe0 [ 65.750307][ T642] ? __kernfs_new_node+0x4c/0x6d0 [ 65.755400][ T642] __kmalloc_track_caller+0x70/0x300 [ 65.760675][ T642] ? __kernfs_new_node+0x4c/0x6d0 [ 65.765688][ T642] kstrdup_const+0x55/0x90 [ 65.770146][ T642] __kernfs_new_node+0x4c/0x6d0 [ 65.775225][ T642] ? string+0x29f/0x2b0 [ 65.779359][ T642] ? vsnprintf+0x1a6c/0x1b30 [ 65.783952][ T642] kernfs_new_node+0x97/0x170 [ 65.788613][ T642] __kernfs_create_file+0x4a/0x270 [ 65.793703][ T642] cgroup_addrm_files+0x99e/0xeb0 [ 65.798708][ T642] ? delete_node+0x747/0x7a0 [ 65.803275][ T642] ? node_tag_clear+0x1a0/0x2c0 [ 65.808464][ T642] css_populate_dir+0x137/0x370 [ 65.813302][ T642] cgroup_apply_control_enable+0x31e/0xfc0 [ 65.819202][ T642] cgroup_apply_control+0x36/0x710 [ 65.824394][ T642] ? init_wait_entry+0xe0/0xe0 [ 65.829330][ T642] ? cgroup_kn_lock_live+0x1af/0x370 [ 65.835057][ T642] cgroup_subtree_control_write+0xd05/0x12d0 [ 65.841020][ T642] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 65.846982][ T642] cgroup_file_write+0x22f/0x4f0 [ 65.852057][ T642] kernfs_fop_write_iter+0x2cd/0x410 [ 65.857326][ T642] ? cgroup_seqfile_stop+0xc0/0xc0 [ 65.862482][ T642] vfs_write+0xb57/0xe50 [ 65.866719][ T642] ksys_write+0x157/0x260 [ 65.871046][ T642] __x64_sys_write+0x7b/0x90 [ 65.875613][ T642] do_syscall_64+0x34/0x70 [ 65.880010][ T642] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.885880][ T642] RIP: 0033:0x7f79b35de0e9 [ 65.890370][ T642] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 65.910882][ T642] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.919401][ T642] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 65.927382][ T642] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 65.935338][ T642] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 65.943605][ T642] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 65.951807][ T642] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 65.960326][ T642] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 65.967440][ T642] !!! cgroup_apply_control_disable [ 65.972917][ T642] !!! cgroup_apply_control_disable kill_css ffff88811107ec00 [ 65.980739][ T642] !!! cgroup_apply_control_disable kill_css ffff888111614000 [ 65.988289][ T642] !!! cgroup_apply_control_disable kill_css ffff888111612800 [ 66.003884][ C1] !!! css_killed_ref_fn css ffff88811107ec00 !!! [ 66.010426][ T19] !!! css_put is ALREADY zero css or dying ffff88811107ec00 !!! [ 66.031965][ C1] !!! css_killed_ref_fn css ffff888111614000 !!! [ 66.038475][ C1] !!! css_killed_ref_fn css ffff888111612800 !!! [ 66.045083][ T19] !!! css_put is ALREADY zero css or dying ffff888111614000 !!! [ 66.052785][ T19] !!! css_put is ALREADY zero css or dying ffff888111612800 !!! [ 66.060733][ T638] !!! css_create !!! [ 66.064878][ T638] !!! css_create !!! [ 66.068863][ T638] !!! css_create !!! [ 66.073017][ T638] FAULT_INJECTION: forcing a failure. [ 66.073017][ T638] name failslab, interval 1, probability 0, space 0, times 0 [ 66.086145][ T638] CPU: 0 PID: 638 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 66.097837][ T638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.107880][ T638] Call Trace: [ 66.111153][ T638] dump_stack+0x19c/0x1e2 [ 66.115477][ T638] should_fail+0x3f7/0x5b0 [ 66.119882][ T638] __should_failslab+0xd2/0x130 [ 66.124744][ T638] should_failslab+0x9/0x20 [ 66.129244][ T638] slab_pre_alloc_hook+0x25/0xe0 [ 66.134175][ T638] kmem_cache_alloc_trace+0x47/0x2b0 [ 66.139632][ T638] ? percpu_ref_init+0xd0/0x330 [ 66.144549][ T638] percpu_ref_init+0xd0/0x330 [ 66.149216][ T638] ? cgroup_setup_root+0x8a0/0x8a0 [ 66.154486][ T638] cgroup_apply_control_enable+0x49f/0xfc0 [ 66.160463][ T638] cgroup_apply_control+0x36/0x710 [ 66.165559][ T638] ? init_wait_entry+0xe0/0xe0 [ 66.170312][ T638] ? cgroup_kn_lock_live+0x1af/0x370 [ 66.175840][ T638] cgroup_subtree_control_write+0xd05/0x12d0 [ 66.181802][ T638] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 66.187773][ T638] cgroup_file_write+0x22f/0x4f0 [ 66.192709][ T638] kernfs_fop_write_iter+0x2cd/0x410 [ 66.197986][ T638] ? cgroup_seqfile_stop+0xc0/0xc0 [ 66.203092][ T638] vfs_write+0xb57/0xe50 [ 66.207414][ T638] ksys_write+0x157/0x260 [ 66.211721][ T638] __x64_sys_write+0x7b/0x90 [ 66.216821][ T638] do_syscall_64+0x34/0x70 [ 66.221220][ T638] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.227089][ T638] RIP: 0033:0x7fa1a960b0e9 [ 66.231485][ T638] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 66.251289][ T638] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.259686][ T638] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 66.268081][ T638] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 66.276141][ T638] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 66.284096][ T638] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.292060][ T638] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 66.300291][ T638] !!! cgroup_apply_control_disable [ 66.305687][ T638] !!! cgroup_apply_control_disable kill_css ffff88811148f400 [ 66.316395][ T638] !!! cgroup_apply_control_disable kill_css ffff88811148f000 [ 66.344128][ C0] !!! css_killed_ref_fn css ffff88811148f400 !!! [ 66.350561][ T5] !!! css_put is ALREADY zero css or dying ffff88811148f400 !!! [ 66.358343][ C0] !!! css_killed_ref_fn css ffff88811148f000 !!! [ 66.365322][ T5] !!! css_put is ALREADY zero css or dying ffff88811148f000 !!! [ 66.373208][ T639] !!! css_create !!! [ 66.377333][ T639] !!! css_create !!! [ 66.381428][ T639] !!! css_create !!! [ 66.385656][ T639] FAULT_INJECTION: forcing a failure. [ 66.385656][ T639] name failslab, interval 1, probability 0, space 0, times 0 [ 66.398738][ T639] CPU: 0 PID: 639 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 66.410441][ T639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.420565][ T639] Call Trace: [ 66.423969][ T639] dump_stack+0x19c/0x1e2 [ 66.428302][ T639] should_fail+0x3f7/0x5b0 [ 66.432697][ T639] __should_failslab+0xd2/0x130 [ 66.437528][ T639] should_failslab+0x9/0x20 [ 66.442103][ T639] slab_pre_alloc_hook+0x25/0xe0 [ 66.447028][ T639] ? __kernfs_new_node+0x4c/0x6d0 [ 66.452040][ T639] __kmalloc_track_caller+0x70/0x300 [ 66.458270][ T639] ? __kernfs_new_node+0x4c/0x6d0 [ 66.463731][ T639] kstrdup_const+0x55/0x90 [ 66.468161][ T639] __kernfs_new_node+0x4c/0x6d0 [ 66.473108][ T639] ? string+0x29f/0x2b0 [ 66.477414][ T639] ? vsnprintf+0x1a6c/0x1b30 [ 66.482007][ T639] kernfs_new_node+0x97/0x170 [ 66.486768][ T639] __kernfs_create_file+0x4a/0x270 [ 66.492045][ T639] cgroup_addrm_files+0x99e/0xeb0 [ 66.497160][ T639] ? delete_node+0x747/0x7a0 [ 66.501733][ T639] ? node_tag_clear+0x1a0/0x2c0 [ 66.506594][ T639] css_populate_dir+0x137/0x370 [ 66.511427][ T639] cgroup_apply_control_enable+0x31e/0xfc0 [ 66.517218][ T639] cgroup_apply_control+0x36/0x710 [ 66.522316][ T639] ? init_wait_entry+0xe0/0xe0 [ 66.527162][ T639] ? cgroup_kn_lock_live+0x1af/0x370 [ 66.532625][ T639] cgroup_subtree_control_write+0xd05/0x12d0 [ 66.538584][ T639] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 66.544569][ T639] cgroup_file_write+0x22f/0x4f0 [ 66.549512][ T639] kernfs_fop_write_iter+0x2cd/0x410 [ 66.554952][ T639] ? cgroup_seqfile_stop+0xc0/0xc0 [ 66.560042][ T639] vfs_write+0xb57/0xe50 [ 66.564356][ T639] ksys_write+0x157/0x260 [ 66.568672][ T639] __x64_sys_write+0x7b/0x90 [ 66.573261][ T639] do_syscall_64+0x34/0x70 [ 66.577756][ T639] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.583770][ T639] RIP: 0033:0x7f773a1c40e9 [ 66.588175][ T639] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 66.608764][ T639] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.617250][ T639] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 66.625387][ T639] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 66.633444][ T639] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 66.641401][ T639] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.649448][ T639] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 66.658671][ T639] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 66.665912][ T639] !!! cgroup_apply_control_disable [ 66.671027][ T639] !!! cgroup_apply_control_disable kill_css ffff888111292800 [ 66.678756][ T639] !!! cgroup_apply_control_disable kill_css ffff888111293400 [ 66.686253][ T639] !!! cgroup_apply_control_disable kill_css ffff88810eb49400 [ 66.751104][ C0] !!! css_killed_ref_fn css ffff888111292800 !!! [ 66.757479][ C0] !!! css_killed_ref_fn css ffff888111293400 !!! [ 66.763870][ C0] !!! css_killed_ref_fn css ffff88810eb49400 !!! [ 66.770366][ T433] !!! css_put is ALREADY zero css or dying ffff888111292800 !!! [ 66.778170][ T433] !!! css_put is ALREADY zero css or dying ffff888111293400 !!! [ 66.786065][ T433] !!! css_put is ALREADY zero css or dying ffff88810eb49400 !!! [ 66.793997][ T641] !!! css_create !!! [ 66.798052][ T641] !!! css_create !!! [ 66.802229][ T641] !!! css_create !!! [ 66.806297][ T641] FAULT_INJECTION: forcing a failure. [ 66.806297][ T641] name failslab, interval 1, probability 0, space 0, times 0 [ 66.819345][ T641] CPU: 0 PID: 641 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 66.830884][ T641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.841013][ T641] Call Trace: [ 66.844314][ T641] dump_stack+0x19c/0x1e2 [ 66.848668][ T641] should_fail+0x3f7/0x5b0 [ 66.853078][ T641] __should_failslab+0xd2/0x130 [ 66.858023][ T641] should_failslab+0x9/0x20 [ 66.862626][ T641] slab_pre_alloc_hook+0x25/0xe0 [ 66.867822][ T641] kmem_cache_alloc_trace+0x47/0x2b0 [ 66.873205][ T641] ? percpu_ref_init+0xd0/0x330 [ 66.878068][ T641] percpu_ref_init+0xd0/0x330 [ 66.882738][ T641] ? cgroup_setup_root+0x8a0/0x8a0 [ 66.888175][ T641] cgroup_apply_control_enable+0x49f/0xfc0 [ 66.894232][ T641] cgroup_apply_control+0x36/0x710 [ 66.899441][ T641] ? init_wait_entry+0xe0/0xe0 [ 66.905518][ T641] ? cgroup_kn_lock_live+0x1af/0x370 [ 66.910800][ T641] cgroup_subtree_control_write+0xd05/0x12d0 [ 66.916891][ T641] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 66.922948][ T641] cgroup_file_write+0x22f/0x4f0 [ 66.927888][ T641] kernfs_fop_write_iter+0x2cd/0x410 [ 66.933612][ T641] ? cgroup_seqfile_stop+0xc0/0xc0 [ 66.938796][ T641] vfs_write+0xb57/0xe50 [ 66.943045][ T641] ksys_write+0x157/0x260 [ 66.947717][ T641] __x64_sys_write+0x7b/0x90 [ 66.952296][ T641] do_syscall_64+0x34/0x70 [ 66.956698][ T641] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.962688][ T641] RIP: 0033:0x7f2442a680e9 [ 66.967963][ T641] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 66.987745][ T641] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.996520][ T641] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 67.004503][ T641] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 67.012683][ T641] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 67.020905][ T641] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 67.029170][ T641] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 67.037614][ T641] !!! cgroup_apply_control_disable [ 67.042826][ T641] !!! cgroup_apply_control_disable kill_css ffff888111685800 [ 67.050303][ T641] !!! cgroup_apply_control_disable kill_css ffff888111616c00 [ 67.081963][ C1] !!! css_killed_ref_fn css ffff888111685800 !!! [ 67.088558][ T19] !!! css_put is ALREADY zero css or dying ffff888111685800 !!! [ 67.102044][ C0] !!! css_killed_ref_fn css ffff888111616c00 !!! [ 67.109088][ T433] !!! css_put is ALREADY zero css or dying ffff888111616c00 !!! [ 67.117355][ T643] !!! css_create !!! [ 67.121488][ T643] !!! css_create !!! [ 67.125789][ T643] !!! css_create !!! [ 67.129828][ T643] FAULT_INJECTION: forcing a failure. [ 67.129828][ T643] name failslab, interval 1, probability 0, space 0, times 0 [ 67.142499][ T643] CPU: 0 PID: 643 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 67.154172][ T643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.164214][ T643] Call Trace: [ 67.167488][ T643] dump_stack+0x19c/0x1e2 [ 67.171796][ T643] should_fail+0x3f7/0x5b0 [ 67.176190][ T643] __should_failslab+0xd2/0x130 [ 67.181032][ T643] should_failslab+0x9/0x20 [ 67.185605][ T643] slab_pre_alloc_hook+0x25/0xe0 [ 67.190610][ T643] kmem_cache_alloc_trace+0x47/0x2b0 [ 67.196063][ T643] ? percpu_ref_init+0xd0/0x330 [ 67.200897][ T643] percpu_ref_init+0xd0/0x330 [ 67.205563][ T643] ? cgroup_setup_root+0x8a0/0x8a0 [ 67.210679][ T643] cgroup_apply_control_enable+0x49f/0xfc0 [ 67.216735][ T643] cgroup_apply_control+0x36/0x710 [ 67.221871][ T643] ? init_wait_entry+0xe0/0xe0 [ 67.226644][ T643] ? cgroup_kn_lock_live+0x1af/0x370 [ 67.231918][ T643] cgroup_subtree_control_write+0xd05/0x12d0 [ 67.237963][ T643] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 67.243936][ T643] cgroup_file_write+0x22f/0x4f0 [ 67.248964][ T643] kernfs_fop_write_iter+0x2cd/0x410 [ 67.254321][ T643] ? cgroup_seqfile_stop+0xc0/0xc0 [ 67.259513][ T643] vfs_write+0xb57/0xe50 [ 67.263834][ T643] ksys_write+0x157/0x260 [ 67.268227][ T643] __x64_sys_write+0x7b/0x90 [ 67.272895][ T643] do_syscall_64+0x34/0x70 [ 67.277309][ T643] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.283181][ T643] RIP: 0033:0x7f37291a60e9 [ 67.287574][ T643] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 67.307681][ T643] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.316242][ T643] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 67.324296][ T643] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 67.332268][ T643] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 67.340588][ T643] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 67.348726][ T643] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 67.357997][ T643] !!! cgroup_apply_control_disable [ 67.363416][ T643] !!! cgroup_apply_control_disable kill_css ffff888111797c00 [ 67.371173][ T643] !!! cgroup_apply_control_disable kill_css ffff888111794000 [ 67.401998][ C0] !!! css_killed_ref_fn css ffff888111797c00 !!! [ 67.408791][ C0] !!! css_killed_ref_fn css ffff888111794000 !!! [ 67.415343][ T5] !!! css_put is ALREADY zero css or dying ffff888111797c00 !!! [ 67.423005][ T5] !!! css_put is ALREADY zero css or dying ffff888111794000 !!! [ 67.430716][ T655] !!! css_create !!! [ 67.434905][ T655] !!! css_create !!! [ 67.438971][ T655] !!! css_create !!! [ 67.443034][ T655] FAULT_INJECTION: forcing a failure. [ 67.443034][ T655] name failslab, interval 1, probability 0, space 0, times 0 [ 67.455976][ T655] CPU: 0 PID: 655 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 67.467585][ T655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.477631][ T655] Call Trace: [ 67.480905][ T655] dump_stack+0x19c/0x1e2 [ 67.485335][ T655] should_fail+0x3f7/0x5b0 [ 67.489832][ T655] __should_failslab+0xd2/0x130 [ 67.494791][ T655] should_failslab+0x9/0x20 [ 67.499376][ T655] slab_pre_alloc_hook+0x25/0xe0 [ 67.504299][ T655] ? __kernfs_new_node+0x4c/0x6d0 [ 67.509540][ T655] __kmalloc_track_caller+0x70/0x300 [ 67.514967][ T655] ? __kernfs_new_node+0x4c/0x6d0 [ 67.520084][ T655] kstrdup_const+0x55/0x90 [ 67.524588][ T655] __kernfs_new_node+0x4c/0x6d0 [ 67.529642][ T655] ? string+0x29f/0x2b0 [ 67.533795][ T655] ? vsnprintf+0x1a6c/0x1b30 [ 67.538623][ T655] kernfs_new_node+0x97/0x170 [ 67.543455][ T655] __kernfs_create_file+0x4a/0x270 [ 67.548808][ T655] cgroup_addrm_files+0x99e/0xeb0 [ 67.555297][ T655] ? delete_node+0x747/0x7a0 [ 67.560004][ T655] ? node_tag_clear+0x1a0/0x2c0 [ 67.564881][ T655] css_populate_dir+0x137/0x370 [ 67.569864][ T655] cgroup_apply_control_enable+0x31e/0xfc0 [ 67.575674][ T655] cgroup_apply_control+0x36/0x710 [ 67.580784][ T655] ? init_wait_entry+0xe0/0xe0 [ 67.585608][ T655] ? cgroup_kn_lock_live+0x1af/0x370 [ 67.590882][ T655] cgroup_subtree_control_write+0xd05/0x12d0 [ 67.597120][ T655] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 67.603489][ T655] cgroup_file_write+0x22f/0x4f0 [ 67.608615][ T655] kernfs_fop_write_iter+0x2cd/0x410 [ 67.613899][ T655] ? cgroup_seqfile_stop+0xc0/0xc0 [ 67.618993][ T655] vfs_write+0xb57/0xe50 [ 67.623244][ T655] ksys_write+0x157/0x260 [ 67.627575][ T655] __x64_sys_write+0x7b/0x90 [ 67.632146][ T655] do_syscall_64+0x34/0x70 [ 67.636550][ T655] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.642432][ T655] RIP: 0033:0x7f2442a680e9 [ 67.646825][ T655] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 67.667313][ T655] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.675726][ T655] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 67.684041][ T655] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 67.692214][ T655] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 67.700189][ T655] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 67.708238][ T655] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 67.716331][ T655] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 67.723837][ T655] !!! cgroup_apply_control_disable [ 67.729156][ T655] !!! cgroup_apply_control_disable kill_css ffff8881119d3000 [ 67.736697][ T655] !!! cgroup_apply_control_disable kill_css ffff8881119d3c00 [ 67.744834][ T655] !!! cgroup_apply_control_disable kill_css ffff888111901800 [ 67.771978][ C0] !!! css_killed_ref_fn css ffff8881119d3000 !!! [ 67.778395][ T5] !!! css_put is ALREADY zero css or dying ffff8881119d3000 !!! [ 67.786048][ C0] !!! css_killed_ref_fn css ffff8881119d3c00 !!! [ 67.786065][ C0] !!! css_killed_ref_fn css ffff888111901800 !!! [ 67.799065][ T5] !!! css_put is ALREADY zero css or dying ffff8881119d3c00 !!! [ 67.806937][ T5] !!! css_put is ALREADY zero css or dying ffff888111901800 !!! [ 67.814847][ T640] !!! css_create !!! [ 67.818803][ T640] !!! css_create !!! [ 67.822866][ T640] !!! css_create !!! [ 67.826788][ T640] FAULT_INJECTION: forcing a failure. [ 67.826788][ T640] name failslab, interval 1, probability 0, space 0, times 0 [ 67.839836][ T640] CPU: 0 PID: 640 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 67.851568][ T640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.866836][ T640] Call Trace: [ 67.870137][ T640] dump_stack+0x19c/0x1e2 [ 67.874562][ T640] should_fail+0x3f7/0x5b0 [ 67.879146][ T640] __should_failslab+0xd2/0x130 [ 67.884112][ T640] should_failslab+0x9/0x20 [ 67.888685][ T640] slab_pre_alloc_hook+0x25/0xe0 [ 67.893738][ T640] ? __kernfs_new_node+0x4c/0x6d0 [ 67.898772][ T640] __kmalloc_track_caller+0x70/0x300 [ 67.904815][ T640] ? __kernfs_new_node+0x4c/0x6d0 [ 67.910055][ T640] kstrdup_const+0x55/0x90 [ 67.914485][ T640] __kernfs_new_node+0x4c/0x6d0 [ 67.919314][ T640] ? string+0x29f/0x2b0 [ 67.923459][ T640] ? vsnprintf+0x1a6c/0x1b30 [ 67.928041][ T640] kernfs_new_node+0x97/0x170 [ 67.932699][ T640] __kernfs_create_file+0x4a/0x270 [ 67.937877][ T640] cgroup_addrm_files+0x99e/0xeb0 [ 67.942879][ T640] ? delete_node+0x747/0x7a0 [ 67.947454][ T640] ? node_tag_clear+0x1a0/0x2c0 [ 67.952295][ T640] css_populate_dir+0x137/0x370 [ 67.957381][ T640] cgroup_apply_control_enable+0x31e/0xfc0 [ 67.963179][ T640] cgroup_apply_control+0x36/0x710 [ 67.968280][ T640] ? init_wait_entry+0xe0/0xe0 [ 67.973135][ T640] ? cgroup_kn_lock_live+0x1af/0x370 [ 67.978590][ T640] cgroup_subtree_control_write+0xd05/0x12d0 [ 67.984618][ T640] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 67.990591][ T640] cgroup_file_write+0x22f/0x4f0 [ 67.995947][ T640] kernfs_fop_write_iter+0x2cd/0x410 [ 68.001365][ T640] ? cgroup_seqfile_stop+0xc0/0xc0 [ 68.006551][ T640] vfs_write+0xb57/0xe50 [ 68.010775][ T640] ksys_write+0x157/0x260 [ 68.015082][ T640] __x64_sys_write+0x7b/0x90 [ 68.019664][ T640] do_syscall_64+0x34/0x70 [ 68.024089][ T640] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.029995][ T640] RIP: 0033:0x7f69313bd0e9 [ 68.034405][ T640] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 68.054779][ T640] RSP: 002b:00007f6931312168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.063180][ T640] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 68.071250][ T640] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 68.079276][ T640] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 68.087713][ T640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 68.095674][ T640] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 68.104698][ T640] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 68.111727][ T640] !!! cgroup_apply_control_disable [ 68.116960][ T640] !!! cgroup_apply_control_disable kill_css ffff888111994800 [ 68.124520][ T640] !!! cgroup_apply_control_disable kill_css ffff888111994400 [ 68.132365][ T640] !!! cgroup_apply_control_disable kill_css ffff888111996c00 [ 68.161992][ C0] !!! css_killed_ref_fn css ffff888111994800 !!! [ 68.168489][ C0] !!! css_killed_ref_fn css ffff888111994400 !!! [ 68.175751][ C0] !!! css_killed_ref_fn css ffff888111996c00 !!! [ 68.182161][ T5] !!! css_put is ALREADY zero css or dying ffff888111994800 !!! [ 68.189904][ T5] !!! css_put is ALREADY zero css or dying ffff888111994400 !!! [ 68.198015][ T5] !!! css_put is ALREADY zero css or dying ffff888111996c00 !!! [ 68.206123][ T646] !!! css_create !!! [ 68.210083][ T646] !!! css_create !!! [ 68.214028][ T646] !!! css_create !!! [ 68.217923][ T646] FAULT_INJECTION: forcing a failure. [ 68.217923][ T646] name failslab, interval 1, probability 0, space 0, times 0 [ 68.230852][ T646] CPU: 1 PID: 646 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 68.242471][ T646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.252631][ T646] Call Trace: [ 68.256175][ T646] dump_stack+0x19c/0x1e2 [ 68.260551][ T646] should_fail+0x3f7/0x5b0 [ 68.264951][ T646] __should_failslab+0xd2/0x130 [ 68.269865][ T646] should_failslab+0x9/0x20 [ 68.274364][ T646] slab_pre_alloc_hook+0x25/0xe0 [ 68.279300][ T646] ? __kernfs_new_node+0x4c/0x6d0 [ 68.284305][ T646] __kmalloc_track_caller+0x70/0x300 [ 68.289565][ T646] ? __kernfs_new_node+0x4c/0x6d0 [ 68.294564][ T646] kstrdup_const+0x55/0x90 [ 68.298961][ T646] __kernfs_new_node+0x4c/0x6d0 [ 68.303874][ T646] ? string+0x29f/0x2b0 [ 68.308009][ T646] ? vsnprintf+0x1a6c/0x1b30 [ 68.312576][ T646] kernfs_new_node+0x97/0x170 [ 68.317234][ T646] __kernfs_create_file+0x4a/0x270 [ 68.322422][ T646] cgroup_addrm_files+0x99e/0xeb0 [ 68.327437][ T646] ? delete_node+0x747/0x7a0 [ 68.332112][ T646] ? node_tag_clear+0x1a0/0x2c0 [ 68.337045][ T646] css_populate_dir+0x137/0x370 [ 68.342004][ T646] cgroup_apply_control_enable+0x31e/0xfc0 [ 68.347791][ T646] cgroup_apply_control+0x36/0x710 [ 68.352896][ T646] ? init_wait_entry+0xe0/0xe0 [ 68.357637][ T646] ? cgroup_kn_lock_live+0x1af/0x370 [ 68.362912][ T646] cgroup_subtree_control_write+0xd05/0x12d0 [ 68.368892][ T646] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 68.374941][ T646] cgroup_file_write+0x22f/0x4f0 [ 68.379870][ T646] kernfs_fop_write_iter+0x2cd/0x410 [ 68.385145][ T646] ? cgroup_seqfile_stop+0xc0/0xc0 [ 68.390348][ T646] vfs_write+0xb57/0xe50 [ 68.394656][ T646] ksys_write+0x157/0x260 [ 68.399048][ T646] __x64_sys_write+0x7b/0x90 [ 68.403635][ T646] do_syscall_64+0x34/0x70 [ 68.408042][ T646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.413924][ T646] RIP: 0033:0x7f79b35de0e9 [ 68.418323][ T646] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 68.438344][ T646] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.446830][ T646] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 68.454787][ T646] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 68.462829][ T646] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 68.470787][ T646] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 68.478923][ T646] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 68.488526][ T646] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 68.495596][ T646] !!! cgroup_apply_control_disable [ 68.500695][ T646] !!! cgroup_apply_control_disable kill_css ffff888111ba3400 [ 68.508150][ T646] !!! cgroup_apply_control_disable kill_css ffff888111ba3000 [ 68.515665][ T646] !!! cgroup_apply_control_disable kill_css ffff888111ba3c00 [ 68.561960][ C1] !!! css_killed_ref_fn css ffff888111ba3400 !!! [ 68.568465][ C1] !!! css_killed_ref_fn css ffff888111ba3000 !!! [ 68.574801][ C1] !!! css_killed_ref_fn css ffff888111ba3c00 !!! [ 68.581304][ T376] !!! css_put is ALREADY zero css or dying ffff888111ba3400 !!! [ 68.589033][ T376] !!! css_put is ALREADY zero css or dying ffff888111ba3000 !!! [ 68.596974][ T376] !!! css_put is ALREADY zero css or dying ffff888111ba3c00 !!! [ 68.604869][ T649] !!! css_create !!! [ 68.608827][ T649] !!! css_create !!! [ 68.613039][ T649] !!! css_create !!! [ 68.616938][ T649] FAULT_INJECTION: forcing a failure. [ 68.616938][ T649] name failslab, interval 1, probability 0, space 0, times 0 [ 68.629629][ T649] CPU: 1 PID: 649 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 68.641174][ T649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.651228][ T649] Call Trace: [ 68.654520][ T649] dump_stack+0x19c/0x1e2 [ 68.658841][ T649] should_fail+0x3f7/0x5b0 [ 68.663260][ T649] __should_failslab+0xd2/0x130 [ 68.668100][ T649] should_failslab+0x9/0x20 [ 68.672614][ T649] slab_pre_alloc_hook+0x25/0xe0 [ 68.677533][ T649] kmem_cache_alloc_trace+0x47/0x2b0 [ 68.683229][ T649] ? pids_css_alloc+0x4e/0x120 [ 68.688023][ T649] pids_css_alloc+0x4e/0x120 [ 68.692765][ T649] cgroup_apply_control_enable+0x44e/0xfc0 [ 68.698636][ T649] cgroup_apply_control+0x36/0x710 [ 68.703752][ T649] ? init_wait_entry+0xe0/0xe0 [ 68.708521][ T649] ? cgroup_kn_lock_live+0x1af/0x370 [ 68.713886][ T649] cgroup_subtree_control_write+0xd05/0x12d0 [ 68.719939][ T649] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 68.725903][ T649] cgroup_file_write+0x22f/0x4f0 [ 68.730828][ T649] kernfs_fop_write_iter+0x2cd/0x410 [ 68.736097][ T649] ? cgroup_seqfile_stop+0xc0/0xc0 [ 68.741185][ T649] vfs_write+0xb57/0xe50 [ 68.745405][ T649] ksys_write+0x157/0x260 [ 68.749710][ T649] __x64_sys_write+0x7b/0x90 [ 68.754276][ T649] do_syscall_64+0x34/0x70 [ 68.758764][ T649] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.764626][ T649] RIP: 0033:0x7fa1a960b0e9 [ 68.769021][ T649] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 68.788689][ T649] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.797365][ T649] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 68.805343][ T649] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/05/31 19:48:29 executed programs: 79 [ 68.813293][ T649] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 68.821377][ T649] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 68.829343][ T649] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 68.838489][ T649] !!! cgroup_apply_control_disable [ 68.843674][ T649] !!! cgroup_apply_control_disable kill_css ffff888111dc5c00 [ 68.851058][ T649] !!! cgroup_apply_control_disable kill_css ffff888111dc5000 [ 68.881945][ C1] !!! css_killed_ref_fn css ffff888111dc5c00 !!! [ 68.888386][ T376] !!! css_put is ALREADY zero css or dying ffff888111dc5c00 !!! [ 68.896356][ C1] !!! css_killed_ref_fn css ffff888111dc5000 !!! [ 68.902984][ T376] !!! css_put is ALREADY zero css or dying ffff888111dc5000 !!! [ 68.911206][ T661] !!! css_create !!! [ 68.915353][ T661] !!! css_create !!! [ 68.919379][ T661] !!! css_create !!! [ 68.923436][ T661] FAULT_INJECTION: forcing a failure. [ 68.923436][ T661] name failslab, interval 1, probability 0, space 0, times 0 [ 68.936364][ T661] CPU: 0 PID: 661 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 68.948138][ T661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.958190][ T661] Call Trace: [ 68.961468][ T661] dump_stack+0x19c/0x1e2 [ 68.965790][ T661] should_fail+0x3f7/0x5b0 [ 68.970202][ T661] __should_failslab+0xd2/0x130 [ 68.975047][ T661] should_failslab+0x9/0x20 [ 68.979533][ T661] slab_pre_alloc_hook+0x25/0xe0 [ 68.984550][ T661] kmem_cache_alloc_trace+0x47/0x2b0 [ 68.989920][ T661] ? percpu_ref_init+0xd0/0x330 [ 68.995111][ T661] percpu_ref_init+0xd0/0x330 [ 68.999868][ T661] ? cgroup_setup_root+0x8a0/0x8a0 [ 69.004962][ T661] cgroup_apply_control_enable+0x49f/0xfc0 [ 69.010941][ T661] cgroup_apply_control+0x36/0x710 [ 69.016028][ T661] ? init_wait_entry+0xe0/0xe0 [ 69.021051][ T661] ? cgroup_kn_lock_live+0x1af/0x370 [ 69.027103][ T661] cgroup_subtree_control_write+0xd05/0x12d0 [ 69.033176][ T661] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 69.039135][ T661] cgroup_file_write+0x22f/0x4f0 [ 69.044061][ T661] kernfs_fop_write_iter+0x2cd/0x410 [ 69.049509][ T661] ? cgroup_seqfile_stop+0xc0/0xc0 [ 69.054712][ T661] vfs_write+0xb57/0xe50 [ 69.058958][ T661] ksys_write+0x157/0x260 [ 69.063399][ T661] __x64_sys_write+0x7b/0x90 [ 69.068061][ T661] do_syscall_64+0x34/0x70 [ 69.072587][ T661] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.078593][ T661] RIP: 0033:0x7f2442a680e9 [ 69.083020][ T661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 69.102813][ T661] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.111203][ T661] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 69.119150][ T661] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 69.127188][ T661] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 69.135238][ T661] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 69.143218][ T661] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 69.151892][ T661] !!! cgroup_apply_control_disable [ 69.157200][ T661] !!! cgroup_apply_control_disable kill_css ffff888111dc6c00 [ 69.164889][ T661] !!! cgroup_apply_control_disable kill_css ffff888111dc5400 [ 69.191956][ C0] !!! css_killed_ref_fn css ffff888111dc6c00 !!! [ 69.198359][ T74] !!! css_put is ALREADY zero css or dying ffff888111dc6c00 !!! [ 69.211965][ C1] !!! css_killed_ref_fn css ffff888111dc5400 !!! [ 69.218429][ T376] !!! css_put is ALREADY zero css or dying ffff888111dc5400 !!! [ 69.226554][ T669] !!! css_create !!! [ 69.230776][ T669] !!! css_create !!! [ 69.234854][ T669] !!! css_create !!! [ 69.238893][ T669] FAULT_INJECTION: forcing a failure. [ 69.238893][ T669] name failslab, interval 1, probability 0, space 0, times 0 [ 69.251669][ T669] CPU: 1 PID: 669 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 69.263416][ T669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.273634][ T669] Call Trace: [ 69.276957][ T669] dump_stack+0x19c/0x1e2 [ 69.281294][ T669] should_fail+0x3f7/0x5b0 [ 69.285694][ T669] __should_failslab+0xd2/0x130 [ 69.290534][ T669] should_failslab+0x9/0x20 [ 69.295022][ T669] slab_pre_alloc_hook+0x25/0xe0 [ 69.299991][ T669] ? __kernfs_new_node+0x4c/0x6d0 [ 69.305026][ T669] __kmalloc_track_caller+0x70/0x300 [ 69.310408][ T669] ? __kernfs_new_node+0x4c/0x6d0 [ 69.315436][ T669] kstrdup_const+0x55/0x90 [ 69.319835][ T669] __kernfs_new_node+0x4c/0x6d0 [ 69.324780][ T669] ? string+0x29f/0x2b0 [ 69.328929][ T669] ? vsnprintf+0x1a6c/0x1b30 [ 69.333671][ T669] kernfs_new_node+0x97/0x170 [ 69.338423][ T669] __kernfs_create_file+0x4a/0x270 [ 69.343619][ T669] cgroup_addrm_files+0x99e/0xeb0 [ 69.348737][ T669] ? delete_node+0x747/0x7a0 [ 69.353412][ T669] ? node_tag_clear+0x1a0/0x2c0 [ 69.358265][ T669] css_populate_dir+0x137/0x370 [ 69.363184][ T669] cgroup_apply_control_enable+0x31e/0xfc0 [ 69.369077][ T669] cgroup_apply_control+0x36/0x710 [ 69.374170][ T669] ? init_wait_entry+0xe0/0xe0 [ 69.378918][ T669] ? cgroup_kn_lock_live+0x1af/0x370 [ 69.384316][ T669] cgroup_subtree_control_write+0xd05/0x12d0 [ 69.390424][ T669] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 69.396406][ T669] cgroup_file_write+0x22f/0x4f0 [ 69.401332][ T669] kernfs_fop_write_iter+0x2cd/0x410 [ 69.406594][ T669] ? cgroup_seqfile_stop+0xc0/0xc0 [ 69.411698][ T669] vfs_write+0xb57/0xe50 [ 69.415919][ T669] ksys_write+0x157/0x260 [ 69.420247][ T669] __x64_sys_write+0x7b/0x90 [ 69.424818][ T669] do_syscall_64+0x34/0x70 [ 69.429222][ T669] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.435096][ T669] RIP: 0033:0x7fa1a960b0e9 [ 69.439677][ T669] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 69.459814][ T669] RSP: 002b:00007fa1a9581168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.468301][ T669] RAX: ffffffffffffffda RBX: 00007fa1a971df60 RCX: 00007fa1a960b0e9 [ 69.476253][ T669] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 69.484379][ T669] RBP: 00007fa1a95811d0 R08: 0000000000000000 R09: 0000000000000000 [ 69.492421][ T669] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 69.500642][ T669] R13: 00007ffe61cbc00f R14: 00007fa1a9581300 R15: 0000000000022000 [ 69.508942][ T669] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 69.516349][ T669] !!! cgroup_apply_control_disable [ 69.521532][ T669] !!! cgroup_apply_control_disable kill_css ffff888111f8d400 [ 69.529736][ T669] !!! cgroup_apply_control_disable kill_css ffff888111f8c400 [ 69.537332][ T669] !!! cgroup_apply_control_disable kill_css ffff888111f8e400 [ 69.552296][ C1] !!! css_killed_ref_fn css ffff888111f8d400 !!! [ 69.558723][ T19] !!! css_put is ALREADY zero css or dying ffff888111f8d400 !!! [ 69.566384][ C1] !!! css_killed_ref_fn css ffff888111f8c400 !!! [ 69.566392][ C1] !!! css_killed_ref_fn css ffff888111f8e400 !!! [ 69.579419][ T19] !!! css_put is ALREADY zero css or dying ffff888111f8c400 !!! [ 69.587574][ T19] !!! css_put is ALREADY zero css or dying ffff888111f8e400 !!! [ 69.595615][ T652] !!! css_create !!! [ 69.599557][ T652] !!! css_create !!! [ 69.603675][ T652] !!! css_create !!! [ 69.607602][ T652] FAULT_INJECTION: forcing a failure. [ 69.607602][ T652] name failslab, interval 1, probability 0, space 0, times 0 [ 69.620210][ T652] CPU: 1 PID: 652 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 69.632111][ T652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.642287][ T652] Call Trace: [ 69.645706][ T652] dump_stack+0x19c/0x1e2 [ 69.650025][ T652] should_fail+0x3f7/0x5b0 [ 69.654427][ T652] __should_failslab+0xd2/0x130 [ 69.659483][ T652] ? radix_tree_node_alloc+0x80/0x3d0 [ 69.665176][ T652] should_failslab+0x9/0x20 [ 69.669970][ T652] slab_pre_alloc_hook+0x25/0xe0 [ 69.674988][ T652] ? radix_tree_node_alloc+0x80/0x3d0 [ 69.680431][ T652] kmem_cache_alloc+0x40/0x2a0 [ 69.685181][ T652] radix_tree_node_alloc+0x80/0x3d0 [ 69.690371][ T652] idr_get_free+0x31b/0xb80 [ 69.694948][ T652] idr_alloc+0x14f/0x290 [ 69.699193][ T652] cgroup_idr_alloc+0x49/0xd0 [ 69.703861][ T652] cgroup_apply_control_enable+0x669/0xfc0 [ 69.709652][ T652] cgroup_apply_control+0x36/0x710 [ 69.714837][ T652] ? init_wait_entry+0xe0/0xe0 [ 69.719674][ T652] ? cgroup_kn_lock_live+0x1af/0x370 [ 69.724983][ T652] cgroup_subtree_control_write+0xd05/0x12d0 [ 69.731118][ T652] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 69.737075][ T652] cgroup_file_write+0x22f/0x4f0 [ 69.741995][ T652] kernfs_fop_write_iter+0x2cd/0x410 [ 69.747266][ T652] ? cgroup_seqfile_stop+0xc0/0xc0 [ 69.752442][ T652] vfs_write+0xb57/0xe50 [ 69.756675][ T652] ksys_write+0x157/0x260 [ 69.760989][ T652] __x64_sys_write+0x7b/0x90 [ 69.765676][ T652] do_syscall_64+0x34/0x70 [ 69.770078][ T652] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.775944][ T652] RIP: 0033:0x7f773a1c40e9 [ 69.780352][ T652] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 69.799936][ T652] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.808680][ T652] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 69.816727][ T652] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 69.824710][ T652] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 69.833024][ T652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 69.840984][ T652] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 69.850751][ T652] !!! cgroup_apply_control_disable [ 69.855949][ T652] !!! cgroup_apply_control_disable kill_css ffff888111e45c00 [ 69.863694][ T652] !!! cgroup_apply_control_disable kill_css ffff888111e47000 [ 69.881979][ C1] !!! css_killed_ref_fn css ffff888111e45c00 !!! [ 69.888356][ C1] !!! css_killed_ref_fn css ffff888111e47000 !!! [ 69.894789][ T376] !!! css_put is ALREADY zero css or dying ffff888111e45c00 !!! [ 69.902736][ T376] !!! css_put is ALREADY zero css or dying ffff888111e47000 !!! [ 69.910551][ T664] !!! css_create !!! [ 69.914649][ T664] !!! css_create !!! [ 69.918594][ T664] !!! css_create !!! [ 69.922667][ T664] FAULT_INJECTION: forcing a failure. [ 69.922667][ T664] name failslab, interval 1, probability 0, space 0, times 0 [ 69.935593][ T664] CPU: 0 PID: 664 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 69.947120][ T664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.957417][ T664] Call Trace: [ 69.960689][ T664] dump_stack+0x19c/0x1e2 [ 69.964997][ T664] should_fail+0x3f7/0x5b0 [ 69.969406][ T664] __should_failslab+0xd2/0x130 [ 69.974242][ T664] should_failslab+0x9/0x20 [ 69.978727][ T664] slab_pre_alloc_hook+0x25/0xe0 [ 69.983731][ T664] kmem_cache_alloc_trace+0x47/0x2b0 [ 69.989000][ T664] ? pids_css_alloc+0x4e/0x120 [ 69.993748][ T664] pids_css_alloc+0x4e/0x120 [ 69.998663][ T664] cgroup_apply_control_enable+0x44e/0xfc0 [ 70.004465][ T664] cgroup_apply_control+0x36/0x710 [ 70.009550][ T664] ? init_wait_entry+0xe0/0xe0 [ 70.014309][ T664] ? cgroup_kn_lock_live+0x1af/0x370 [ 70.019574][ T664] cgroup_subtree_control_write+0xd05/0x12d0 [ 70.025546][ T664] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 70.031508][ T664] cgroup_file_write+0x22f/0x4f0 [ 70.036527][ T664] kernfs_fop_write_iter+0x2cd/0x410 [ 70.041815][ T664] ? cgroup_seqfile_stop+0xc0/0xc0 [ 70.046933][ T664] vfs_write+0xb57/0xe50 [ 70.051154][ T664] ksys_write+0x157/0x260 [ 70.055547][ T664] __x64_sys_write+0x7b/0x90 [ 70.060117][ T664] do_syscall_64+0x34/0x70 [ 70.064547][ T664] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.070513][ T664] RIP: 0033:0x7f69313bd0e9 [ 70.074905][ T664] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 70.094751][ T664] RSP: 002b:00007f6931312168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.103244][ T664] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 70.111209][ T664] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 70.119166][ T664] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 70.127315][ T664] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 70.135267][ T664] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 70.143530][ T664] !!! cgroup_apply_control_disable [ 70.148690][ T664] !!! cgroup_apply_control_disable kill_css ffff888111e7ec00 [ 70.156167][ T664] !!! cgroup_apply_control_disable kill_css ffff888111e7d400 [ 70.182046][ C0] !!! css_killed_ref_fn css ffff888111e7ec00 !!! [ 70.188769][ C0] !!! css_killed_ref_fn css ffff888111e7d400 !!! [ 70.195455][ T5] !!! css_put is ALREADY zero css or dying ffff888111e7ec00 !!! [ 70.203231][ T5] !!! css_put is ALREADY zero css or dying ffff888111e7d400 !!! [ 70.210984][ T675] !!! css_create !!! [ 70.215133][ T675] !!! css_create !!! [ 70.221040][ T675] !!! css_create !!! [ 70.225318][ T675] FAULT_INJECTION: forcing a failure. [ 70.225318][ T675] name failslab, interval 1, probability 0, space 0, times 0 [ 70.238459][ T675] CPU: 1 PID: 675 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 70.250085][ T675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.260232][ T675] Call Trace: [ 70.263508][ T675] dump_stack+0x19c/0x1e2 [ 70.267821][ T675] should_fail+0x3f7/0x5b0 [ 70.273967][ T675] __should_failslab+0xd2/0x130 [ 70.278800][ T675] should_failslab+0x9/0x20 [ 70.283299][ T675] slab_pre_alloc_hook+0x25/0xe0 [ 70.288233][ T675] kmem_cache_alloc_trace+0x47/0x2b0 [ 70.293592][ T675] ? percpu_ref_init+0xd0/0x330 [ 70.298551][ T675] percpu_ref_init+0xd0/0x330 [ 70.303428][ T675] ? cgroup_setup_root+0x8a0/0x8a0 [ 70.308706][ T675] cgroup_apply_control_enable+0x49f/0xfc0 [ 70.314496][ T675] cgroup_apply_control+0x36/0x710 [ 70.319586][ T675] ? init_wait_entry+0xe0/0xe0 [ 70.324466][ T675] ? cgroup_kn_lock_live+0x1af/0x370 [ 70.329773][ T675] cgroup_subtree_control_write+0xd05/0x12d0 [ 70.335744][ T675] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 70.341963][ T675] cgroup_file_write+0x22f/0x4f0 [ 70.347183][ T675] kernfs_fop_write_iter+0x2cd/0x410 [ 70.352460][ T675] ? cgroup_seqfile_stop+0xc0/0xc0 [ 70.357670][ T675] vfs_write+0xb57/0xe50 [ 70.362047][ T675] ksys_write+0x157/0x260 [ 70.366381][ T675] __x64_sys_write+0x7b/0x90 [ 70.370954][ T675] do_syscall_64+0x34/0x70 [ 70.375356][ T675] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.381314][ T675] RIP: 0033:0x7fa1a960b0e9 [ 70.385709][ T675] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 70.405829][ T675] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.414315][ T675] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 70.422473][ T675] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 70.430718][ T675] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 70.439116][ T675] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 70.447074][ T675] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 70.456981][ T675] !!! cgroup_apply_control_disable [ 70.462198][ T675] !!! cgroup_apply_control_disable kill_css ffff8881120b9000 [ 70.470091][ T675] !!! cgroup_apply_control_disable kill_css ffff8881122b5800 [ 70.484079][ C0] !!! css_killed_ref_fn css ffff8881120b9000 !!! [ 70.490519][ T74] !!! css_put is ALREADY zero css or dying ffff8881120b9000 !!! [ 70.501998][ C1] !!! css_killed_ref_fn css ffff8881122b5800 !!! [ 70.508469][ T19] !!! css_put is ALREADY zero css or dying ffff8881122b5800 !!! [ 70.516314][ T678] !!! css_create !!! [ 70.520372][ T678] !!! css_create !!! [ 70.524387][ T678] !!! css_create !!! [ 70.528421][ T678] FAULT_INJECTION: forcing a failure. [ 70.528421][ T678] name failslab, interval 1, probability 0, space 0, times 0 [ 70.541983][ T678] CPU: 0 PID: 678 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 70.553702][ T678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.563781][ T678] Call Trace: [ 70.567053][ T678] dump_stack+0x19c/0x1e2 [ 70.571578][ T678] should_fail+0x3f7/0x5b0 [ 70.575973][ T678] __should_failslab+0xd2/0x130 [ 70.580805][ T678] should_failslab+0x9/0x20 [ 70.585286][ T678] slab_pre_alloc_hook+0x25/0xe0 [ 70.590283][ T678] kmem_cache_alloc_trace+0x47/0x2b0 [ 70.595644][ T678] ? percpu_ref_init+0xd0/0x330 [ 70.600472][ T678] percpu_ref_init+0xd0/0x330 [ 70.605127][ T678] ? cgroup_setup_root+0x8a0/0x8a0 [ 70.610397][ T678] cgroup_apply_control_enable+0x49f/0xfc0 [ 70.616359][ T678] cgroup_apply_control+0x36/0x710 [ 70.621520][ T678] ? init_wait_entry+0xe0/0xe0 [ 70.626260][ T678] ? cgroup_kn_lock_live+0x1af/0x370 [ 70.631531][ T678] cgroup_subtree_control_write+0xd05/0x12d0 [ 70.637589][ T678] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 70.643573][ T678] cgroup_file_write+0x22f/0x4f0 [ 70.648494][ T678] kernfs_fop_write_iter+0x2cd/0x410 [ 70.653797][ T678] ? cgroup_seqfile_stop+0xc0/0xc0 [ 70.658895][ T678] vfs_write+0xb57/0xe50 [ 70.663126][ T678] ksys_write+0x157/0x260 [ 70.667439][ T678] __x64_sys_write+0x7b/0x90 [ 70.672019][ T678] do_syscall_64+0x34/0x70 [ 70.676413][ T678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.682281][ T678] RIP: 0033:0x7f773a1c40e9 [ 70.686863][ T678] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 70.706454][ T678] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.715226][ T678] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 70.723177][ T678] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 70.731137][ T678] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 70.739098][ T678] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 70.747054][ T678] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 70.755485][ T678] !!! cgroup_apply_control_disable [ 70.760654][ T678] !!! cgroup_apply_control_disable kill_css ffff8881122b1c00 [ 70.768291][ T678] !!! cgroup_apply_control_disable kill_css ffff8881122b1000 [ 70.791979][ C1] !!! css_killed_ref_fn css ffff8881122b1c00 !!! [ 70.798484][ T19] !!! css_put is ALREADY zero css or dying ffff8881122b1c00 !!! [ 70.831418][ C1] !!! css_killed_ref_fn css ffff8881122b1000 !!! [ 70.838007][ T19] !!! css_put is ALREADY zero css or dying ffff8881122b1000 !!! [ 70.845816][ T683] !!! css_create !!! [ 70.849777][ T683] !!! css_create !!! [ 70.853842][ T683] !!! css_create !!! [ 70.857770][ T683] FAULT_INJECTION: forcing a failure. [ 70.857770][ T683] name failslab, interval 1, probability 0, space 0, times 0 [ 70.870489][ T683] CPU: 1 PID: 683 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 70.882099][ T683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.892329][ T683] Call Trace: [ 70.895688][ T683] dump_stack+0x19c/0x1e2 [ 70.899996][ T683] should_fail+0x3f7/0x5b0 [ 70.904397][ T683] __should_failslab+0xd2/0x130 [ 70.909248][ T683] should_failslab+0x9/0x20 [ 70.913727][ T683] slab_pre_alloc_hook+0x25/0xe0 [ 70.918641][ T683] ? __kernfs_new_node+0x4c/0x6d0 [ 70.923756][ T683] __kmalloc_track_caller+0x70/0x300 [ 70.929457][ T683] ? __kernfs_new_node+0x4c/0x6d0 [ 70.934502][ T683] kstrdup_const+0x55/0x90 [ 70.938903][ T683] __kernfs_new_node+0x4c/0x6d0 [ 70.943815][ T683] ? string+0x29f/0x2b0 [ 70.947948][ T683] ? vsnprintf+0x1a6c/0x1b30 [ 70.952513][ T683] kernfs_new_node+0x97/0x170 [ 70.957174][ T683] __kernfs_create_file+0x4a/0x270 [ 70.962264][ T683] cgroup_addrm_files+0x99e/0xeb0 [ 70.967271][ T683] ? delete_node+0x747/0x7a0 [ 70.971929][ T683] ? node_tag_clear+0x1a0/0x2c0 [ 70.976765][ T683] css_populate_dir+0x137/0x370 [ 70.982118][ T683] cgroup_apply_control_enable+0x31e/0xfc0 [ 70.987907][ T683] cgroup_apply_control+0x36/0x710 [ 70.993018][ T683] ? init_wait_entry+0xe0/0xe0 [ 70.998293][ T683] ? cgroup_kn_lock_live+0x1af/0x370 [ 71.003557][ T683] cgroup_subtree_control_write+0xd05/0x12d0 [ 71.009789][ T683] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 71.015765][ T683] cgroup_file_write+0x22f/0x4f0 [ 71.020683][ T683] kernfs_fop_write_iter+0x2cd/0x410 [ 71.025947][ T683] ? cgroup_seqfile_stop+0xc0/0xc0 [ 71.031033][ T683] vfs_write+0xb57/0xe50 [ 71.035267][ T683] ksys_write+0x157/0x260 [ 71.040078][ T683] __x64_sys_write+0x7b/0x90 [ 71.044665][ T683] do_syscall_64+0x34/0x70 [ 71.049065][ T683] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.054950][ T683] RIP: 0033:0x7fa1a960b0e9 [ 71.059349][ T683] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 71.079029][ T683] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.087424][ T683] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 71.095474][ T683] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 71.103793][ T683] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 71.111777][ T683] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 71.119740][ T683] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 71.129330][ T683] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 71.136406][ T683] !!! cgroup_apply_control_disable [ 71.141614][ T683] !!! cgroup_apply_control_disable kill_css ffff8881123ef800 [ 71.149112][ T683] !!! cgroup_apply_control_disable kill_css ffff8881123ef000 [ 71.156540][ T683] !!! cgroup_apply_control_disable kill_css ffff8881123efc00 [ 71.191957][ C1] !!! css_killed_ref_fn css ffff8881123ef800 !!! [ 71.198346][ C1] !!! css_killed_ref_fn css ffff8881123ef000 !!! [ 71.204716][ C1] !!! css_killed_ref_fn css ffff8881123efc00 !!! [ 71.211115][ T376] !!! css_put is ALREADY zero css or dying ffff8881123ef800 !!! [ 71.218970][ T376] !!! css_put is ALREADY zero css or dying ffff8881123ef000 !!! [ 71.226842][ T376] !!! css_put is ALREADY zero css or dying ffff8881123efc00 !!! [ 71.234675][ T680] !!! css_create !!! [ 71.238657][ T680] !!! css_create !!! [ 71.242700][ T680] !!! css_create !!! [ 71.246629][ T680] FAULT_INJECTION: forcing a failure. [ 71.246629][ T680] name failslab, interval 1, probability 0, space 0, times 0 [ 71.259505][ T680] CPU: 0 PID: 680 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 71.271119][ T680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.281166][ T680] Call Trace: [ 71.284448][ T680] dump_stack+0x19c/0x1e2 [ 71.288764][ T680] should_fail+0x3f7/0x5b0 [ 71.293170][ T680] __should_failslab+0xd2/0x130 [ 71.298009][ T680] should_failslab+0x9/0x20 [ 71.302495][ T680] slab_pre_alloc_hook+0x25/0xe0 [ 71.307414][ T680] kmem_cache_alloc_trace+0x47/0x2b0 [ 71.312772][ T680] ? percpu_ref_init+0xd0/0x330 [ 71.317619][ T680] percpu_ref_init+0xd0/0x330 [ 71.322522][ T680] ? cgroup_setup_root+0x8a0/0x8a0 [ 71.328507][ T680] cgroup_apply_control_enable+0x49f/0xfc0 [ 71.334292][ T680] cgroup_apply_control+0x36/0x710 [ 71.341404][ T680] ? init_wait_entry+0xe0/0xe0 [ 71.346178][ T680] ? cgroup_kn_lock_live+0x1af/0x370 [ 71.351481][ T680] cgroup_subtree_control_write+0xd05/0x12d0 [ 71.357582][ T680] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 71.363572][ T680] cgroup_file_write+0x22f/0x4f0 [ 71.368537][ T680] kernfs_fop_write_iter+0x2cd/0x410 [ 71.373810][ T680] ? cgroup_seqfile_stop+0xc0/0xc0 [ 71.378998][ T680] vfs_write+0xb57/0xe50 [ 71.383225][ T680] ksys_write+0x157/0x260 [ 71.387633][ T680] __x64_sys_write+0x7b/0x90 [ 71.392249][ T680] do_syscall_64+0x34/0x70 [ 71.396671][ T680] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.402579][ T680] RIP: 0033:0x7f69313bd0e9 [ 71.406977][ T680] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 71.426773][ T680] RSP: 002b:00007f6931333168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.435439][ T680] RAX: ffffffffffffffda RBX: 00007f69314cff60 RCX: 00007f69313bd0e9 [ 71.443795][ T680] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 71.451959][ T680] RBP: 00007f69313331d0 R08: 0000000000000000 R09: 0000000000000000 [ 71.460001][ T680] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 71.467953][ T680] R13: 00007fff6eb325ef R14: 00007f6931333300 R15: 0000000000022000 [ 71.476498][ T680] !!! cgroup_apply_control_disable [ 71.482345][ T680] !!! cgroup_apply_control_disable kill_css ffff888112866c00 [ 71.489922][ T680] !!! cgroup_apply_control_disable kill_css ffff888112865400 [ 71.521982][ C1] !!! css_killed_ref_fn css ffff888112866c00 !!! [ 71.528619][ C1] !!! css_killed_ref_fn css ffff888112865400 !!! [ 71.535059][ T376] !!! css_put is ALREADY zero css or dying ffff888112866c00 !!! [ 71.542741][ T376] !!! css_put is ALREADY zero css or dying ffff888112865400 !!! [ 71.550565][ T658] !!! css_create !!! [ 71.554758][ T658] !!! css_create !!! [ 71.558769][ T658] !!! css_create !!! [ 71.562882][ T658] FAULT_INJECTION: forcing a failure. [ 71.562882][ T658] name failslab, interval 1, probability 0, space 0, times 0 [ 71.575739][ T658] CPU: 0 PID: 658 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 71.587339][ T658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.597471][ T658] Call Trace: [ 71.600740][ T658] dump_stack+0x19c/0x1e2 [ 71.605684][ T658] should_fail+0x3f7/0x5b0 [ 71.610251][ T658] __should_failslab+0xd2/0x130 [ 71.615075][ T658] should_failslab+0x9/0x20 [ 71.619570][ T658] slab_pre_alloc_hook+0x25/0xe0 [ 71.624674][ T658] kmem_cache_alloc_trace+0x47/0x2b0 [ 71.630043][ T658] ? percpu_ref_init+0xd0/0x330 [ 71.634869][ T658] percpu_ref_init+0xd0/0x330 [ 71.639538][ T658] ? cgroup_setup_root+0x8a0/0x8a0 [ 71.644710][ T658] cgroup_apply_control_enable+0x49f/0xfc0 [ 71.650505][ T658] cgroup_apply_control+0x36/0x710 [ 71.655591][ T658] ? init_wait_entry+0xe0/0xe0 [ 71.660333][ T658] ? cgroup_kn_lock_live+0x1af/0x370 [ 71.665603][ T658] cgroup_subtree_control_write+0xd05/0x12d0 [ 71.671650][ T658] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 71.677802][ T658] cgroup_file_write+0x22f/0x4f0 [ 71.683346][ T658] kernfs_fop_write_iter+0x2cd/0x410 [ 71.688696][ T658] ? cgroup_seqfile_stop+0xc0/0xc0 [ 71.694276][ T658] vfs_write+0xb57/0xe50 [ 71.698604][ T658] ksys_write+0x157/0x260 [ 71.703034][ T658] __x64_sys_write+0x7b/0x90 [ 71.707679][ T658] do_syscall_64+0x34/0x70 [ 71.712081][ T658] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.718323][ T658] RIP: 0033:0x7f37291a60e9 [ 71.723158][ T658] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 71.744311][ T658] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.752887][ T658] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 71.760956][ T658] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 71.769094][ T658] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 71.777049][ T658] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 71.785093][ T658] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 71.795757][ T658] !!! cgroup_apply_control_disable [ 71.801032][ T658] !!! cgroup_apply_control_disable kill_css ffff888112a27800 [ 71.808581][ T658] !!! cgroup_apply_control_disable kill_css ffff888112a26800 [ 71.831987][ C0] !!! css_killed_ref_fn css ffff888112a27800 !!! [ 71.838497][ C0] !!! css_killed_ref_fn css ffff888112a26800 !!! [ 71.844994][ T5] !!! css_put is ALREADY zero css or dying ffff888112a27800 !!! [ 71.853075][ T5] !!! css_put is ALREADY zero css or dying ffff888112a26800 !!! [ 71.861122][ T691] !!! css_create !!! [ 71.865193][ T691] !!! css_create !!! [ 71.869244][ T691] !!! css_create !!! [ 71.873476][ T691] FAULT_INJECTION: forcing a failure. [ 71.873476][ T691] name failslab, interval 1, probability 0, space 0, times 0 [ 71.886203][ T691] CPU: 0 PID: 691 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 71.897820][ T691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.907944][ T691] Call Trace: [ 71.911316][ T691] dump_stack+0x19c/0x1e2 [ 71.915633][ T691] should_fail+0x3f7/0x5b0 [ 71.920028][ T691] __should_failslab+0xd2/0x130 [ 71.924860][ T691] should_failslab+0x9/0x20 [ 71.929362][ T691] slab_pre_alloc_hook+0x25/0xe0 [ 71.934288][ T691] kmem_cache_alloc_trace+0x47/0x2b0 [ 71.939568][ T691] ? percpu_ref_init+0xd0/0x330 [ 71.944507][ T691] percpu_ref_init+0xd0/0x330 [ 71.949270][ T691] ? cgroup_setup_root+0x8a0/0x8a0 [ 71.954370][ T691] cgroup_apply_control_enable+0x49f/0xfc0 [ 71.960170][ T691] cgroup_apply_control+0x36/0x710 [ 71.965264][ T691] ? init_wait_entry+0xe0/0xe0 [ 71.970018][ T691] ? cgroup_kn_lock_live+0x1af/0x370 [ 71.975304][ T691] cgroup_subtree_control_write+0xd05/0x12d0 [ 71.981263][ T691] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 71.987323][ T691] cgroup_file_write+0x22f/0x4f0 [ 71.992239][ T691] kernfs_fop_write_iter+0x2cd/0x410 [ 71.997503][ T691] ? cgroup_seqfile_stop+0xc0/0xc0 [ 72.002594][ T691] vfs_write+0xb57/0xe50 [ 72.006819][ T691] ksys_write+0x157/0x260 [ 72.011126][ T691] __x64_sys_write+0x7b/0x90 [ 72.015707][ T691] do_syscall_64+0x34/0x70 [ 72.020108][ T691] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.025976][ T691] RIP: 0033:0x7f69313bd0e9 [ 72.030392][ T691] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 72.050333][ T691] RSP: 002b:00007f6931333168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.058818][ T691] RAX: ffffffffffffffda RBX: 00007f69314cff60 RCX: 00007f69313bd0e9 [ 72.066772][ T691] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 72.074722][ T691] RBP: 00007f69313331d0 R08: 0000000000000000 R09: 0000000000000000 [ 72.082686][ T691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 72.090643][ T691] R13: 00007fff6eb325ef R14: 00007f6931333300 R15: 0000000000022000 [ 72.098870][ T691] !!! cgroup_apply_control_disable [ 72.104072][ T691] !!! cgroup_apply_control_disable kill_css ffff888112c45800 [ 72.111519][ T691] !!! cgroup_apply_control_disable kill_css ffff888112c46000 [ 72.121821][ T412] ------------[ cut here ]------------ [ 72.127435][ T412] WARNING: CPU: 0 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 72.136475][ T412] Modules linked in: [ 72.140354][ T412] CPU: 0 PID: 412 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 72.152153][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.162259][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 72.168020][ T412] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 72.187756][ T412] RSP: 0018:ffffc90000f07d58 EFLAGS: 00010293 [ 72.194015][ T412] RAX: ffffffff81af07bc RBX: ffff88811189c560 RCX: ffff88810526eac0 [ 72.202238][ T412] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 72.210207][ T412] RBP: ffffc90000f07dc8 R08: ffffffff81af04e7 R09: fffff520001e0fa3 [ 72.218201][ T412] R10: fffff520001e0fa3 R11: 1ffff920001e0fa2 R12: dffffc0000000000 [ 72.226280][ T412] R13: ffff88811189c480 R14: 00000000fffffffe R15: 0000000000000000 [ 72.234872][ T412] FS: 0000555556757400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 72.243914][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.250503][ T412] CR2: 00007fff6eb30ff4 CR3: 000000011a824000 CR4: 00000000003506b0 [ 72.258492][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.266489][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.274467][ T412] Call Trace: [ 72.277766][ T412] ? init_wait_entry+0xe0/0xe0 [ 72.282562][ T412] ? up_write+0x68/0x140 [ 72.286839][ T412] namespace_unlock+0x377/0x420 [ 72.291675][ T412] path_umount+0xe23/0xed0 [ 72.296199][ T412] __x64_sys_umount+0xe8/0x110 [ 72.300960][ T412] do_syscall_64+0x34/0x70 [ 72.305402][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.311366][ T412] RIP: 0033:0x7f69313be557 [ 72.315811][ T412] 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 [ 72.335811][ T412] RSP: 002b:00007fff6eb31748 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 72.344265][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69313be557 [ 72.352856][ T412] RDX: 00007fff6eb3181a RSI: 000000000000000a RDI: 00007fff6eb31810 [ 72.367741][ T412] RBP: 00007fff6eb31810 R08: 00000000ffffffff R09: 00007fff6eb315e0 [ 72.375725][ T412] R10: 0000555556758ba3 R11: 0000000000000246 R12: 00007f69314161f8 [ 72.383827][ T412] R13: 00007fff6eb328d0 R14: 0000555556758b00 R15: 00007fff6eb32910 [ 72.391879][ T412] ---[ end trace fca5e2e0f619f9ef ]--- [ 72.397835][ T412] ------------[ cut here ]------------ [ 72.403340][ T412] WARNING: CPU: 0 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 72.412379][ C0] !!! css_killed_ref_fn css ffff888112c45800 !!! [ 72.412404][ C0] !!! css_killed_ref_fn css ffff888112c46000 !!! [ 72.425187][ T412] Modules linked in: [ 72.429075][ T412] CPU: 0 PID: 412 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 72.440729][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.450815][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 72.456810][ T412] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 72.476440][ T412] RSP: 0018:ffffc90000f07dd0 EFLAGS: 00010293 [ 72.482522][ T412] RAX: ffffffff81af07bc RBX: ffff88811189c560 RCX: ffff88810526eac0 [ 72.490493][ T412] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 72.498790][ T412] RBP: ffffc90000f07e40 R08: ffffffff81af04e7 R09: fffff520001e0fb2 [ 72.507051][ T412] R10: fffff520001e0fb2 R11: 1ffff920001e0fb1 R12: dffffc0000000000 [ 72.515140][ T412] R13: ffff88811189c480 R14: 00000000fffffffd R15: 0000000000000000 [ 72.523309][ T412] FS: 0000555556757400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 72.532262][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.538933][ T412] CR2: 00007fff6eb30ff4 CR3: 000000011a824000 CR4: 00000000003506b0 [ 72.546945][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.554931][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.563001][ T412] Call Trace: [ 72.566287][ T412] path_umount+0x1ad/0xed0 [ 72.570688][ T412] __x64_sys_umount+0xe8/0x110 [ 72.575563][ T412] do_syscall_64+0x34/0x70 [ 72.580066][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.585969][ T412] RIP: 0033:0x7f69313be557 [ 72.590376][ T412] 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 [ 72.609999][ T412] RSP: 002b:00007fff6eb31748 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 72.618526][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69313be557 [ 72.626506][ T412] RDX: 00007fff6eb3181a RSI: 000000000000000a RDI: 00007fff6eb31810 [ 72.635930][ T412] RBP: 00007fff6eb31810 R08: 00000000ffffffff R09: 00007fff6eb315e0 [ 72.644010][ T412] R10: 0000555556758ba3 R11: 0000000000000246 R12: 00007f69314161f8 [ 72.652016][ T412] R13: 00007fff6eb328d0 R14: 0000555556758b00 R15: 00007fff6eb32910 [ 72.660508][ T412] ---[ end trace fca5e2e0f619f9f0 ]--- [ 72.666031][ T5] !!! css_put is ALREADY zero css or dying ffff888112c45800 !!! [ 72.677449][ T74] !!! css_put is ALREADY zero css or dying ffff888112c46000 !!! [ 72.685724][ T689] !!! css_create !!! [ 72.689761][ T689] !!! css_create !!! [ 72.693826][ T689] !!! css_create !!! [ 72.697848][ T689] FAULT_INJECTION: forcing a failure. [ 72.697848][ T689] name failslab, interval 1, probability 0, space 0, times 0 [ 72.710480][ T689] CPU: 0 PID: 689 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 72.722101][ T689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.732146][ T689] Call Trace: [ 72.735668][ T689] dump_stack+0x19c/0x1e2 [ 72.740208][ T689] should_fail+0x3f7/0x5b0 [ 72.744787][ T689] __should_failslab+0xd2/0x130 [ 72.749650][ T689] should_failslab+0x9/0x20 [ 72.754146][ T689] slab_pre_alloc_hook+0x25/0xe0 [ 72.759088][ T689] kmem_cache_alloc_trace+0x47/0x2b0 [ 72.764463][ T689] ? percpu_ref_init+0xd0/0x330 [ 72.769359][ T689] percpu_ref_init+0xd0/0x330 [ 72.774114][ T689] ? cgroup_setup_root+0x8a0/0x8a0 [ 72.779416][ T689] cgroup_apply_control_enable+0x49f/0xfc0 [ 72.785242][ T689] cgroup_apply_control+0x36/0x710 [ 72.790357][ T689] ? init_wait_entry+0xe0/0xe0 [ 72.795114][ T689] ? cgroup_kn_lock_live+0x1af/0x370 [ 72.800412][ T689] cgroup_subtree_control_write+0xd05/0x12d0 [ 72.806385][ T689] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 72.812466][ T689] cgroup_file_write+0x22f/0x4f0 [ 72.817573][ T689] kernfs_fop_write_iter+0x2cd/0x410 [ 72.822977][ T689] ? cgroup_seqfile_stop+0xc0/0xc0 [ 72.828518][ T689] vfs_write+0xb57/0xe50 [ 72.832749][ T689] ksys_write+0x157/0x260 [ 72.837057][ T689] __x64_sys_write+0x7b/0x90 [ 72.841634][ T689] do_syscall_64+0x34/0x70 [ 72.846037][ T689] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.851925][ T689] RIP: 0033:0x7fa1a960b0e9 [ 72.856511][ T689] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 72.876374][ T689] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.885035][ T689] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 72.893270][ T689] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 72.901326][ T689] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 72.909370][ T689] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 72.917667][ T689] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 72.926502][ T689] !!! cgroup_apply_control_disable [ 72.931617][ T689] !!! cgroup_apply_control_disable kill_css ffff88811f8b1400 [ 72.939053][ T689] !!! cgroup_apply_control_disable kill_css ffff88811f8b0400 [ 72.962199][ C0] !!! css_killed_ref_fn css ffff88811f8b1400 !!! [ 72.968609][ C0] !!! css_killed_ref_fn css ffff88811f8b0400 !!! [ 72.975403][ T74] !!! css_put is ALREADY zero css or dying ffff88811f8b1400 !!! [ 72.983236][ T5] !!! css_put is ALREADY zero css or dying ffff88811f8b0400 !!! [ 72.991075][ T693] !!! css_create !!! [ 72.995106][ T693] !!! css_create !!! [ 72.999047][ T693] !!! css_create !!! [ 73.003099][ T693] FAULT_INJECTION: forcing a failure. [ 73.003099][ T693] name failslab, interval 1, probability 0, space 0, times 0 [ 73.015719][ T693] CPU: 1 PID: 693 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 73.027466][ T693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.037594][ T693] Call Trace: [ 73.040863][ T693] dump_stack+0x19c/0x1e2 [ 73.045173][ T693] should_fail+0x3f7/0x5b0 [ 73.049565][ T693] __should_failslab+0xd2/0x130 [ 73.054388][ T693] should_failslab+0x9/0x20 [ 73.058869][ T693] slab_pre_alloc_hook+0x25/0xe0 [ 73.063782][ T693] ? __kernfs_new_node+0x4c/0x6d0 [ 73.068784][ T693] __kmalloc_track_caller+0x70/0x300 [ 73.074047][ T693] ? __kernfs_new_node+0x4c/0x6d0 [ 73.079142][ T693] kstrdup_const+0x55/0x90 [ 73.083544][ T693] __kernfs_new_node+0x4c/0x6d0 [ 73.088370][ T693] ? string+0x29f/0x2b0 [ 73.092499][ T693] ? vsnprintf+0x1a6c/0x1b30 [ 73.097081][ T693] kernfs_new_node+0x97/0x170 [ 73.101748][ T693] __kernfs_create_file+0x4a/0x270 [ 73.106837][ T693] cgroup_addrm_files+0x99e/0xeb0 [ 73.111850][ T693] ? delete_node+0x747/0x7a0 [ 73.116427][ T693] ? node_tag_clear+0x1a0/0x2c0 [ 73.121269][ T693] css_populate_dir+0x137/0x370 [ 73.126107][ T693] cgroup_apply_control_enable+0x31e/0xfc0 [ 73.132089][ T693] cgroup_apply_control+0x36/0x710 [ 73.137395][ T693] ? init_wait_entry+0xe0/0xe0 [ 73.142242][ T693] ? cgroup_kn_lock_live+0x1af/0x370 [ 73.147636][ T693] cgroup_subtree_control_write+0xd05/0x12d0 [ 73.153642][ T693] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 73.159648][ T693] cgroup_file_write+0x22f/0x4f0 [ 73.164589][ T693] kernfs_fop_write_iter+0x2cd/0x410 [ 73.169870][ T693] ? cgroup_seqfile_stop+0xc0/0xc0 [ 73.174980][ T693] vfs_write+0xb57/0xe50 [ 73.179331][ T693] ksys_write+0x157/0x260 [ 73.183667][ T693] __x64_sys_write+0x7b/0x90 [ 73.188751][ T693] do_syscall_64+0x34/0x70 [ 73.193346][ T693] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.199225][ T693] RIP: 0033:0x7f37291a60e9 [ 73.203739][ T693] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 73.223519][ T693] RSP: 002b:00007f372911c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.232157][ T693] RAX: ffffffffffffffda RBX: 00007f37292b8f60 RCX: 00007f37291a60e9 [ 73.240223][ T693] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 73.248283][ T693] RBP: 00007f372911c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 73.256507][ T693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 73.264739][ T693] R13: 00007ffcc0be84df R14: 00007f372911c300 R15: 0000000000022000 [ 73.273643][ T693] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 73.280689][ T693] !!! cgroup_apply_control_disable [ 73.286008][ T693] !!! cgroup_apply_control_disable kill_css ffff888112956800 [ 73.293478][ T693] !!! cgroup_apply_control_disable kill_css ffff888112957400 [ 73.300982][ T693] !!! cgroup_apply_control_disable kill_css ffff888112957000 [ 73.331970][ C1] !!! css_killed_ref_fn css ffff888112956800 !!! [ 73.338472][ C1] !!! css_killed_ref_fn css ffff888112957400 !!! [ 73.345077][ T376] !!! css_put is ALREADY zero css or dying ffff888112956800 !!! [ 73.353161][ T376] !!! css_put is ALREADY zero css or dying ffff888112957400 !!! [ 73.361054][ C1] !!! css_killed_ref_fn css ffff888112957000 !!! [ 73.367762][ T376] !!! css_put is ALREADY zero css or dying ffff888112957000 !!! [ 73.375737][ T686] !!! css_create !!! [ 73.379707][ T686] !!! css_create !!! [ 73.383721][ T686] !!! css_create !!! [ 73.387984][ T686] FAULT_INJECTION: forcing a failure. [ 73.387984][ T686] name failslab, interval 1, probability 0, space 0, times 0 [ 73.401765][ T686] CPU: 1 PID: 686 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 73.413572][ T686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.423821][ T686] Call Trace: [ 73.427184][ T686] dump_stack+0x19c/0x1e2 [ 73.432025][ T686] should_fail+0x3f7/0x5b0 [ 73.436414][ T686] __should_failslab+0xd2/0x130 [ 73.441246][ T686] should_failslab+0x9/0x20 [ 73.445745][ T686] slab_pre_alloc_hook+0x25/0xe0 [ 73.450749][ T686] ? __kernfs_new_node+0x4c/0x6d0 [ 73.455902][ T686] __kmalloc_track_caller+0x70/0x300 [ 73.461278][ T686] ? __kernfs_new_node+0x4c/0x6d0 [ 73.466299][ T686] kstrdup_const+0x55/0x90 [ 73.470904][ T686] __kernfs_new_node+0x4c/0x6d0 [ 73.475947][ T686] ? string+0x29f/0x2b0 [ 73.480096][ T686] ? vsnprintf+0x1a6c/0x1b30 [ 73.484827][ T686] kernfs_new_node+0x97/0x170 [ 73.489499][ T686] __kernfs_create_file+0x4a/0x270 [ 73.494688][ T686] cgroup_addrm_files+0x99e/0xeb0 [ 73.499732][ T686] ? delete_node+0x747/0x7a0 [ 73.504409][ T686] ? node_tag_clear+0x1a0/0x2c0 [ 73.509378][ T686] css_populate_dir+0x137/0x370 [ 73.514209][ T686] cgroup_apply_control_enable+0x31e/0xfc0 [ 73.520187][ T686] cgroup_apply_control+0x36/0x710 [ 73.525305][ T686] ? init_wait_entry+0xe0/0xe0 [ 73.530050][ T686] ? cgroup_kn_lock_live+0x1af/0x370 [ 73.535309][ T686] cgroup_subtree_control_write+0xd05/0x12d0 [ 73.541275][ T686] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 73.547224][ T686] cgroup_file_write+0x22f/0x4f0 [ 73.552138][ T686] kernfs_fop_write_iter+0x2cd/0x410 [ 73.557393][ T686] ? cgroup_seqfile_stop+0xc0/0xc0 [ 73.562595][ T686] vfs_write+0xb57/0xe50 [ 73.567245][ T686] ksys_write+0x157/0x260 [ 73.571551][ T686] __x64_sys_write+0x7b/0x90 [ 73.576111][ T686] do_syscall_64+0x34/0x70 [ 73.580500][ T686] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.586362][ T686] RIP: 0033:0x7f773a1c40e9 [ 73.590754][ T686] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 73.610451][ T686] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.618846][ T686] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 73.626789][ T686] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 73.634731][ T686] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 73.642687][ T686] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 73.650649][ T686] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 73.659096][ T686] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 73.666251][ T686] !!! cgroup_apply_control_disable [ 73.671745][ T686] !!! cgroup_apply_control_disable kill_css ffff888112e3e000 [ 73.679302][ T686] !!! cgroup_apply_control_disable kill_css ffff888112e3d800 [ 73.687193][ T686] !!! cgroup_apply_control_disable kill_css ffff888112e05c00 [ 73.696593][ T411] ------------[ cut here ]------------ [ 73.702223][ T411] WARNING: CPU: 0 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 73.711381][ T411] Modules linked in: [ 73.711965][ C1] !!! css_killed_ref_fn css ffff888112e3e000 !!! [ 73.715322][ T411] CPU: 0 PID: 411 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 73.721655][ T375] !!! css_put is ALREADY zero css or dying ffff888112e3e000 !!! [ 73.733132][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.733148][ T411] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 73.733165][ T411] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 73.776509][ T411] RSP: 0018:ffffc90000ef7dd0 EFLAGS: 00010293 [ 73.782607][ T411] RAX: ffffffff81af07bc RBX: ffff88811189dbe0 RCX: ffff88810527db80 [ 73.790570][ T411] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 73.798732][ T411] RBP: ffffc90000ef7e40 R08: ffffffff81af04e7 R09: fffff520001defb2 [ 73.806935][ T411] R10: fffff520001defb2 R11: 1ffff920001defb1 R12: dffffc0000000000 [ 73.815002][ T411] R13: ffff88811189db00 R14: 00000000ffffffff R15: 0000000000000000 [ 73.822989][ T411] FS: 0000555556bbd400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 73.831898][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.838678][ T411] CR2: 00007ffd8e5e4f98 CR3: 00000001149a9000 CR4: 00000000003506b0 [ 73.846680][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.854682][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.862658][ T411] Call Trace: [ 73.865930][ T411] path_umount+0x1ad/0xed0 [ 73.870330][ T411] __x64_sys_umount+0xe8/0x110 [ 73.875188][ T411] do_syscall_64+0x34/0x70 [ 73.879613][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.885597][ T411] RIP: 0033:0x7f773a1c5557 [ 73.890021][ T411] 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 [ 73.909846][ T411] RSP: 002b:00007ffd8e5e51f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 73.918389][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f773a1c5557 [ 73.926394][ T411] RDX: 00007ffd8e5e52ca RSI: 000000000000000a RDI: 00007ffd8e5e52c0 [ 73.934491][ T411] RBP: 00007ffd8e5e52c0 R08: 00000000ffffffff R09: 00007ffd8e5e5090 [ 73.942469][ T411] R10: 0000555556bbeba3 R11: 0000000000000246 R12: 00007f773a21d1f8 [ 73.950439][ T411] R13: 00007ffd8e5e6380 R14: 0000555556bbeb00 R15: 00007ffd8e5e63c0 [ 73.958418][ T411] ---[ end trace fca5e2e0f619f9f1 ]--- [ 73.963991][ T411] ------------[ cut here ]------------ [ 73.969529][ T411] WARNING: CPU: 0 PID: 411 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 73.978212][ T411] Modules linked in: [ 73.981975][ C1] !!! css_killed_ref_fn css ffff888112e3d800 !!! [ 73.982234][ T411] CPU: 0 PID: 411 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 73.988589][ C1] !!! css_killed_ref_fn css ffff888112e05c00 !!! [ 74.000137][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.006886][ T375] !!! css_put is ALREADY zero css or dying ffff888112e3d800 !!! [ 74.016659][ T411] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 74.024793][ T19] !!! css_put is ALREADY zero css or dying ffff888112e05c00 !!! [ 74.030035][ T411] Code: c6 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e 01 b9 ff 48 8b 7d d0 e8 55 cb 04 00 e9 21 fd ff ff e8 1b 01 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 ea 1f 86 80 e1 07 80 c1 03 38 c1 [ 74.038044][ T696] !!! css_create !!! [ 74.057485][ T411] RSP: 0018:ffffc90000ef7e30 EFLAGS: 00010293 [ 74.061965][ T696] !!! css_create !!! [ 74.067676][ T411] RAX: ffffffff81b01285 RBX: ffffe8ffffd43014 RCX: ffff88810527db80 [ 74.071719][ T696] !!! css_create !!! [ 74.079811][ T411] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 74.083749][ T696] FAULT_INJECTION: forcing a failure. [ 74.083749][ T696] name failslab, interval 1, probability 0, space 0, times 0 [ 74.091860][ T411] RBP: ffffc90000ef7e80 R08: ffffffff81b00f63 R09: fffff520001defcd [ 74.104505][ T696] CPU: 1 PID: 696 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 74.112961][ T411] R10: fffff520001defcd R11: 1ffff920001defcc R12: ffff88811189db48 [ 74.124500][ T696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.124505][ T696] Call Trace: [ 74.124519][ T696] dump_stack+0x19c/0x1e2 [ 74.124530][ T696] should_fail+0x3f7/0x5b0 [ 74.124552][ T696] __should_failslab+0xd2/0x130 [ 74.133162][ T411] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 74.143117][ T696] should_failslab+0x9/0x20 [ 74.143128][ T696] slab_pre_alloc_hook+0x25/0xe0 [ 74.143137][ T696] kmem_cache_alloc_trace+0x47/0x2b0 [ 74.143147][ T696] ? percpu_ref_init+0xd0/0x330 [ 74.143165][ T696] percpu_ref_init+0xd0/0x330 [ 74.146621][ T411] FS: 0000555556bbd400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 74.150738][ T696] ? cgroup_setup_root+0x8a0/0x8a0 [ 74.150750][ T696] cgroup_apply_control_enable+0x49f/0xfc0 [ 74.150765][ T696] cgroup_apply_control+0x36/0x710 [ 74.155195][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.161384][ T696] ? init_wait_entry+0xe0/0xe0 [ 74.161403][ T696] ? cgroup_kn_lock_live+0x1af/0x370 2022/05/31 19:48:35 executed programs: 93 [ 74.169562][ T411] CR2: 00007ffd8e5e4f98 CR3: 00000001149a9000 CR4: 00000000003506b0 [ 74.174006][ T696] cgroup_subtree_control_write+0xd05/0x12d0 [ 74.174018][ T696] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 74.174035][ T696] cgroup_file_write+0x22f/0x4f0 [ 74.179133][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.184555][ T696] kernfs_fop_write_iter+0x2cd/0x410 [ 74.184566][ T696] ? cgroup_seqfile_stop+0xc0/0xc0 [ 74.184577][ T696] vfs_write+0xb57/0xe50 [ 74.184595][ T696] ksys_write+0x157/0x260 [ 74.189508][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.194224][ T696] __x64_sys_write+0x7b/0x90 [ 74.194234][ T696] do_syscall_64+0x34/0x70 [ 74.194253][ T696] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.203207][ T411] Call Trace: [ 74.208267][ T696] RIP: 0033:0x7f69313bd0e9 [ 74.208278][ T696] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 74.208292][ T696] RSP: 002b:00007f6931312168 EFLAGS: 00000246 [ 74.214372][ T411] __cleanup_mnt+0x19/0x20 [ 74.219459][ T696] ORIG_RAX: 0000000000000001 [ 74.219469][ T696] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 74.219475][ T696] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 74.219491][ T696] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 74.226102][ T411] task_work_run+0x147/0x1b0 [ 74.230880][ T696] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 74.230888][ T696] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 74.231260][ T696] !!! cgroup_apply_control_disable [ 74.236756][ T411] exit_to_user_mode_loop+0xc8/0xe0 [ 74.244791][ T696] !!! cgroup_apply_control_disable kill_css ffff888112f79400 [ 74.250991][ T411] syscall_exit_to_user_mode+0x77/0xa0 [ 74.256929][ T696] !!! cgroup_apply_control_disable kill_css ffff888112f7ac00 [ 74.262436][ T411] do_syscall_64+0x40/0x70 [ 74.438794][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.445038][ T411] RIP: 0033:0x7f773a1c5557 [ 74.449864][ T411] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 74.469571][ T411] RSP: 002b:00007ffd8e5e51f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 74.471950][ C1] !!! css_killed_ref_fn css ffff888112f79400 !!! [ 74.478013][ T411] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f773a1c5557 [ 74.484339][ C1] !!! css_killed_ref_fn css ffff888112f7ac00 !!! [ 74.492343][ T411] RDX: 00007ffd8e5e52ca RSI: 000000000000000a RDI: 00007ffd8e5e52c0 [ 74.499236][ T19] !!! css_put is ALREADY zero css or dying ffff888112f79400 !!! [ 74.508645][ T411] RBP: 00007ffd8e5e52c0 R08: 00000000ffffffff R09: 00007ffd8e5e5090 [ 74.516703][ T19] !!! css_put is ALREADY zero css or dying ffff888112f7ac00 !!! [ 74.524280][ T411] R10: 0000555556bbeba3 R11: 0000000000000246 R12: 00007f773a21d1f8 [ 74.532268][ T667] !!! css_create !!! [ 74.540055][ T411] R13: 00007ffd8e5e6380 R14: 0000555556bbeb00 R15: 00007ffd8e5e63c0 [ 74.544173][ T667] !!! css_create !!! [ 74.552073][ T411] ---[ end trace fca5e2e0f619f9f2 ]--- [ 74.561570][ T667] !!! css_create !!! [ 74.565608][ T667] FAULT_INJECTION: forcing a failure. [ 74.565608][ T667] name failslab, interval 1, probability 0, space 0, times 0 [ 74.578416][ T667] CPU: 1 PID: 667 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 74.590016][ T667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.600051][ T667] Call Trace: [ 74.603504][ T667] dump_stack+0x19c/0x1e2 [ 74.607806][ T667] should_fail+0x3f7/0x5b0 [ 74.612197][ T667] __should_failslab+0xd2/0x130 [ 74.617036][ T667] should_failslab+0x9/0x20 [ 74.621521][ T667] slab_pre_alloc_hook+0x25/0xe0 [ 74.626537][ T667] ? __kernfs_new_node+0x4c/0x6d0 [ 74.631657][ T667] __kmalloc_track_caller+0x70/0x300 [ 74.636928][ T667] ? __kernfs_new_node+0x4c/0x6d0 [ 74.641957][ T667] kstrdup_const+0x55/0x90 [ 74.646541][ T667] __kernfs_new_node+0x4c/0x6d0 [ 74.651463][ T667] ? string+0x29f/0x2b0 [ 74.655605][ T667] ? vsnprintf+0x1a6c/0x1b30 [ 74.660282][ T667] kernfs_new_node+0x97/0x170 [ 74.664949][ T667] __kernfs_create_file+0x4a/0x270 [ 74.670056][ T667] cgroup_addrm_files+0x99e/0xeb0 [ 74.675169][ T667] ? delete_node+0x747/0x7a0 [ 74.679761][ T667] ? node_tag_clear+0x1a0/0x2c0 [ 74.684780][ T667] css_populate_dir+0x137/0x370 [ 74.689694][ T667] cgroup_apply_control_enable+0x31e/0xfc0 [ 74.695833][ T667] cgroup_apply_control+0x36/0x710 [ 74.701269][ T667] ? init_wait_entry+0xe0/0xe0 [ 74.706092][ T667] ? cgroup_kn_lock_live+0x1af/0x370 [ 74.711363][ T667] cgroup_subtree_control_write+0xd05/0x12d0 [ 74.717751][ T667] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 74.723799][ T667] cgroup_file_write+0x22f/0x4f0 [ 74.729067][ T667] kernfs_fop_write_iter+0x2cd/0x410 [ 74.734516][ T667] ? cgroup_seqfile_stop+0xc0/0xc0 [ 74.739695][ T667] vfs_write+0xb57/0xe50 [ 74.743923][ T667] ksys_write+0x157/0x260 [ 74.748246][ T667] __x64_sys_write+0x7b/0x90 [ 74.752823][ T667] do_syscall_64+0x34/0x70 [ 74.757233][ T667] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.763203][ T667] RIP: 0033:0x7f79b35de0e9 [ 74.767592][ T667] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 74.787530][ T667] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.795926][ T667] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 74.803963][ T667] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 74.811910][ T667] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 74.819854][ T667] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 74.827886][ T667] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 74.836273][ T667] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 74.843319][ T667] !!! cgroup_apply_control_disable [ 74.848410][ T667] !!! cgroup_apply_control_disable kill_css ffff8881130bc800 [ 74.855870][ T667] !!! cgroup_apply_control_disable kill_css ffff8881130be000 [ 74.863356][ T667] !!! cgroup_apply_control_disable kill_css ffff8881130bc000 [ 74.892000][ C1] !!! css_killed_ref_fn css ffff8881130bc800 !!! [ 74.898428][ T19] !!! css_put is ALREADY zero css or dying ffff8881130bc800 !!! [ 74.906137][ C1] !!! css_killed_ref_fn css ffff8881130be000 !!! [ 74.906151][ C1] !!! css_killed_ref_fn css ffff8881130bc000 !!! [ 74.919180][ T19] !!! css_put is ALREADY zero css or dying ffff8881130be000 !!! [ 74.927169][ T19] !!! css_put is ALREADY zero css or dying ffff8881130bc000 !!! [ 74.935012][ T672] !!! css_create !!! [ 74.939101][ T672] !!! css_create !!! [ 74.943240][ T672] !!! css_create !!! [ 74.947184][ T672] FAULT_INJECTION: forcing a failure. [ 74.947184][ T672] name failslab, interval 1, probability 0, space 0, times 0 [ 74.959813][ T672] CPU: 1 PID: 672 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 74.971341][ T672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.981376][ T672] Call Trace: [ 74.984649][ T672] dump_stack+0x19c/0x1e2 [ 74.989031][ T672] should_fail+0x3f7/0x5b0 [ 74.993454][ T672] __should_failslab+0xd2/0x130 [ 74.998351][ T672] should_failslab+0x9/0x20 [ 75.002847][ T672] slab_pre_alloc_hook+0x25/0xe0 [ 75.007761][ T672] ? __kernfs_new_node+0x4c/0x6d0 [ 75.012790][ T672] __kmalloc_track_caller+0x70/0x300 [ 75.018103][ T672] ? __kernfs_new_node+0x4c/0x6d0 [ 75.023156][ T672] kstrdup_const+0x55/0x90 [ 75.027558][ T672] __kernfs_new_node+0x4c/0x6d0 [ 75.032392][ T672] ? string+0x29f/0x2b0 [ 75.036674][ T672] ? vsnprintf+0x1a6c/0x1b30 [ 75.041253][ T672] kernfs_new_node+0x97/0x170 [ 75.046002][ T672] __kernfs_create_file+0x4a/0x270 [ 75.051099][ T672] cgroup_addrm_files+0x99e/0xeb0 [ 75.056296][ T672] ? delete_node+0x747/0x7a0 [ 75.060868][ T672] ? node_tag_clear+0x1a0/0x2c0 [ 75.065696][ T672] css_populate_dir+0x137/0x370 [ 75.070547][ T672] cgroup_apply_control_enable+0x31e/0xfc0 [ 75.076365][ T672] cgroup_apply_control+0x36/0x710 [ 75.081878][ T672] ? init_wait_entry+0xe0/0xe0 [ 75.086628][ T672] ? cgroup_kn_lock_live+0x1af/0x370 [ 75.091924][ T672] cgroup_subtree_control_write+0xd05/0x12d0 [ 75.097893][ T672] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 75.103855][ T672] cgroup_file_write+0x22f/0x4f0 [ 75.108769][ T672] kernfs_fop_write_iter+0x2cd/0x410 [ 75.114053][ T672] ? cgroup_seqfile_stop+0xc0/0xc0 [ 75.119140][ T672] vfs_write+0xb57/0xe50 [ 75.123495][ T672] ksys_write+0x157/0x260 [ 75.127813][ T672] __x64_sys_write+0x7b/0x90 [ 75.132466][ T672] do_syscall_64+0x34/0x70 [ 75.136861][ T672] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.142760][ T672] RIP: 0033:0x7f2442a680e9 [ 75.147433][ T672] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 75.167320][ T672] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.176190][ T672] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 75.184233][ T672] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 75.192209][ T672] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 75.200174][ T672] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 75.208313][ T672] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 75.216760][ T672] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 75.223870][ T672] !!! cgroup_apply_control_disable [ 75.228989][ T672] !!! cgroup_apply_control_disable kill_css ffff8881130b8400 [ 75.236606][ T672] !!! cgroup_apply_control_disable kill_css ffff8881130bac00 [ 75.244488][ T672] !!! cgroup_apply_control_disable kill_css ffff8881130b8c00 [ 75.271987][ C0] !!! css_killed_ref_fn css ffff8881130b8400 !!! [ 75.278533][ T5] !!! css_put is ALREADY zero css or dying ffff8881130b8400 !!! [ 75.286509][ C0] !!! css_killed_ref_fn css ffff8881130bac00 !!! [ 75.293183][ C0] !!! css_killed_ref_fn css ffff8881130b8c00 !!! [ 75.299598][ T5] !!! css_put is ALREADY zero css or dying ffff8881130bac00 !!! [ 75.307926][ T5] !!! css_put is ALREADY zero css or dying ffff8881130b8c00 !!! [ 75.316061][ T702] !!! css_create !!! [ 75.320275][ T702] !!! css_create !!! [ 75.324342][ T702] !!! css_create !!! [ 75.328357][ T702] FAULT_INJECTION: forcing a failure. [ 75.328357][ T702] name failslab, interval 1, probability 0, space 0, times 0 [ 75.341630][ T702] CPU: 0 PID: 702 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 75.353166][ T702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.363622][ T702] Call Trace: [ 75.366908][ T702] dump_stack+0x19c/0x1e2 [ 75.371238][ T702] should_fail+0x3f7/0x5b0 [ 75.375640][ T702] __should_failslab+0xd2/0x130 [ 75.380491][ T702] should_failslab+0x9/0x20 [ 75.385198][ T702] slab_pre_alloc_hook+0x25/0xe0 [ 75.390250][ T702] kmem_cache_alloc_trace+0x47/0x2b0 [ 75.395805][ T702] ? percpu_ref_init+0xd0/0x330 [ 75.400744][ T702] percpu_ref_init+0xd0/0x330 [ 75.405501][ T702] ? cgroup_setup_root+0x8a0/0x8a0 [ 75.410612][ T702] cgroup_apply_control_enable+0x49f/0xfc0 [ 75.416772][ T702] cgroup_apply_control+0x36/0x710 [ 75.421869][ T702] ? init_wait_entry+0xe0/0xe0 [ 75.426624][ T702] ? cgroup_kn_lock_live+0x1af/0x370 [ 75.432082][ T702] cgroup_subtree_control_write+0xd05/0x12d0 [ 75.438160][ T702] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 75.444571][ T702] cgroup_file_write+0x22f/0x4f0 [ 75.449503][ T702] kernfs_fop_write_iter+0x2cd/0x410 [ 75.454782][ T702] ? cgroup_seqfile_stop+0xc0/0xc0 [ 75.459878][ T702] vfs_write+0xb57/0xe50 [ 75.464110][ T702] ksys_write+0x157/0x260 [ 75.468440][ T702] __x64_sys_write+0x7b/0x90 [ 75.473010][ T702] do_syscall_64+0x34/0x70 [ 75.477415][ T702] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.483340][ T702] RIP: 0033:0x7f79b35de0e9 [ 75.487743][ T702] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 75.507498][ T702] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.516066][ T702] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 75.524028][ T702] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 75.532156][ T702] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 75.540108][ T702] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 75.548332][ T702] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 75.556972][ T702] !!! cgroup_apply_control_disable [ 75.562197][ T702] !!! cgroup_apply_control_disable kill_css ffff88811309e400 [ 75.569667][ T702] !!! cgroup_apply_control_disable kill_css ffff8881132a7800 [ 75.601984][ C0] !!! css_killed_ref_fn css ffff88811309e400 !!! [ 75.608377][ C0] !!! css_killed_ref_fn css ffff8881132a7800 !!! [ 75.614794][ T74] !!! css_put is ALREADY zero css or dying ffff88811309e400 !!! [ 75.623341][ T74] !!! css_put is ALREADY zero css or dying ffff8881132a7800 !!! [ 75.631207][ T712] !!! css_create !!! [ 75.635493][ T712] !!! css_create !!! [ 75.639608][ T712] !!! css_create !!! [ 75.643657][ T712] FAULT_INJECTION: forcing a failure. [ 75.643657][ T712] name failslab, interval 1, probability 0, space 0, times 0 [ 75.656347][ T712] CPU: 0 PID: 712 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 75.667978][ T712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.678045][ T712] Call Trace: [ 75.681323][ T712] dump_stack+0x19c/0x1e2 [ 75.685667][ T712] should_fail+0x3f7/0x5b0 [ 75.690077][ T712] __should_failslab+0xd2/0x130 [ 75.695381][ T712] should_failslab+0x9/0x20 [ 75.699974][ T712] slab_pre_alloc_hook+0x25/0xe0 [ 75.705060][ T712] kmem_cache_alloc_trace+0x47/0x2b0 [ 75.710457][ T712] ? percpu_ref_init+0xd0/0x330 [ 75.715311][ T712] percpu_ref_init+0xd0/0x330 [ 75.720145][ T712] ? cgroup_setup_root+0x8a0/0x8a0 [ 75.725348][ T712] cgroup_apply_control_enable+0x49f/0xfc0 [ 75.731168][ T712] cgroup_apply_control+0x36/0x710 [ 75.736268][ T712] ? init_wait_entry+0xe0/0xe0 [ 75.741022][ T712] ? cgroup_kn_lock_live+0x1af/0x370 [ 75.746316][ T712] cgroup_subtree_control_write+0xd05/0x12d0 [ 75.752463][ T712] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 75.758716][ T712] cgroup_file_write+0x22f/0x4f0 [ 75.763651][ T712] kernfs_fop_write_iter+0x2cd/0x410 [ 75.768916][ T712] ? cgroup_seqfile_stop+0xc0/0xc0 [ 75.774033][ T712] vfs_write+0xb57/0xe50 [ 75.778258][ T712] ksys_write+0x157/0x260 [ 75.782657][ T712] __x64_sys_write+0x7b/0x90 [ 75.787236][ T712] do_syscall_64+0x34/0x70 [ 75.791631][ T712] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.797509][ T712] RIP: 0033:0x7f773a1c40e9 [ 75.802092][ T712] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 75.822097][ T712] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.830609][ T712] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 75.838836][ T712] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 75.846900][ T712] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 75.854949][ T712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 75.863090][ T712] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 75.871683][ T712] !!! cgroup_apply_control_disable [ 75.876904][ T712] !!! cgroup_apply_control_disable kill_css ffff88811309c400 [ 75.884548][ T712] !!! cgroup_apply_control_disable kill_css ffff88811309d400 [ 75.921981][ C0] !!! css_killed_ref_fn css ffff88811309c400 !!! [ 75.928597][ T74] !!! css_put is ALREADY zero css or dying ffff88811309c400 !!! [ 75.941968][ C1] !!! css_killed_ref_fn css ffff88811309d400 !!! [ 75.948573][ T375] !!! css_put is ALREADY zero css or dying ffff88811309d400 !!! [ 75.956725][ T717] !!! css_create !!! [ 75.961073][ T717] !!! css_create !!! [ 75.965124][ T717] !!! css_create !!! [ 75.969159][ T717] FAULT_INJECTION: forcing a failure. [ 75.969159][ T717] name failslab, interval 1, probability 0, space 0, times 0 [ 75.982034][ T717] CPU: 1 PID: 717 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 75.993562][ T717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.004296][ T717] Call Trace: [ 76.007936][ T717] dump_stack+0x19c/0x1e2 [ 76.012254][ T717] should_fail+0x3f7/0x5b0 [ 76.016827][ T717] __should_failslab+0xd2/0x130 [ 76.021683][ T717] should_failslab+0x9/0x20 [ 76.026270][ T717] slab_pre_alloc_hook+0x25/0xe0 [ 76.031300][ T717] ? __kernfs_new_node+0x4c/0x6d0 [ 76.036414][ T717] __kmalloc_track_caller+0x70/0x300 [ 76.041688][ T717] ? __kernfs_new_node+0x4c/0x6d0 [ 76.047044][ T717] kstrdup_const+0x55/0x90 [ 76.051444][ T717] __kernfs_new_node+0x4c/0x6d0 [ 76.056427][ T717] ? string+0x29f/0x2b0 [ 76.060569][ T717] ? vsnprintf+0x1a6c/0x1b30 [ 76.065228][ T717] kernfs_new_node+0x97/0x170 [ 76.069996][ T717] __kernfs_create_file+0x4a/0x270 [ 76.075086][ T717] cgroup_addrm_files+0x99e/0xeb0 [ 76.080088][ T717] ? delete_node+0x747/0x7a0 [ 76.084659][ T717] ? node_tag_clear+0x1a0/0x2c0 [ 76.089770][ T717] css_populate_dir+0x137/0x370 [ 76.094688][ T717] cgroup_apply_control_enable+0x31e/0xfc0 [ 76.100485][ T717] cgroup_apply_control+0x36/0x710 [ 76.105681][ T717] ? init_wait_entry+0xe0/0xe0 [ 76.110606][ T717] ? cgroup_kn_lock_live+0x1af/0x370 [ 76.116533][ T717] cgroup_subtree_control_write+0xd05/0x12d0 [ 76.122520][ T717] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 76.128500][ T717] cgroup_file_write+0x22f/0x4f0 [ 76.133667][ T717] kernfs_fop_write_iter+0x2cd/0x410 [ 76.138960][ T717] ? cgroup_seqfile_stop+0xc0/0xc0 [ 76.144144][ T717] vfs_write+0xb57/0xe50 [ 76.148452][ T717] ksys_write+0x157/0x260 [ 76.152764][ T717] __x64_sys_write+0x7b/0x90 [ 76.157616][ T717] do_syscall_64+0x34/0x70 [ 76.162133][ T717] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.168208][ T717] RIP: 0033:0x7f79b35de0e9 [ 76.172804][ T717] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 76.192682][ T717] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.201110][ T717] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 76.209069][ T717] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 76.217128][ T717] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 76.225179][ T717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 76.235305][ T717] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 76.243849][ T717] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 76.251048][ T717] !!! cgroup_apply_control_disable [ 76.256451][ T717] !!! cgroup_apply_control_disable kill_css ffff88811309f000 [ 76.263955][ T717] !!! cgroup_apply_control_disable kill_css ffff88811309f400 [ 76.271817][ T717] !!! cgroup_apply_control_disable kill_css ffff88811309e800 [ 76.282362][ T406] ------------[ cut here ]------------ [ 76.287856][ T406] WARNING: CPU: 1 PID: 406 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 76.296921][ T406] Modules linked in: [ 76.300816][ T406] CPU: 1 PID: 406 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 76.312748][ T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.323057][ T406] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 76.328946][ T406] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 76.348588][ T406] RSP: 0018:ffffc90000ea7d58 EFLAGS: 00010293 [ 76.354819][ T406] RAX: ffffffff81af07bc RBX: ffff88811189c260 RCX: ffff888107d8bd00 [ 76.363100][ T406] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 76.371171][ T406] RBP: ffffc90000ea7dc8 R08: ffffffff81af04e7 R09: fffff520001d4fa3 [ 76.379257][ T406] R10: fffff520001d4fa3 R11: 1ffff920001d4fa2 R12: dffffc0000000000 [ 76.387259][ T406] R13: ffff88811189c180 R14: 00000000ffffffff R15: 0000000000000000 [ 76.395416][ T406] FS: 000055555631e400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 76.404639][ T406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.411505][ T406] CR2: 00007fff2cde4cc8 CR3: 0000000109141000 CR4: 00000000003506a0 [ 76.420093][ T406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.428237][ T406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.436242][ T406] Call Trace: [ 76.439548][ T406] ? init_wait_entry+0xe0/0xe0 [ 76.444437][ T406] ? up_write+0x68/0x140 [ 76.448793][ T406] namespace_unlock+0x377/0x420 [ 76.453759][ T406] path_umount+0xe23/0xed0 [ 76.458211][ T406] __x64_sys_umount+0xe8/0x110 [ 76.463251][ T406] do_syscall_64+0x34/0x70 [ 76.467680][ T406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.473590][ T406] RIP: 0033:0x7f79b35df557 [ 76.478009][ T406] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 76.498085][ T406] RSP: 002b:00007fff2cde5408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 76.506713][ T406] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79b35df557 [ 76.514791][ T406] RDX: 00007fff2cde54da RSI: 000000000000000a RDI: 00007fff2cde54d0 [ 76.522973][ T406] RBP: 00007fff2cde54d0 R08: 00000000ffffffff R09: 00007fff2cde52a0 [ 76.531113][ T406] R10: 000055555631fba3 R11: 0000000000000246 R12: 00007f79b36371f8 [ 76.539730][ T406] R13: 00007fff2cde6590 R14: 000055555631fb00 R15: 00007fff2cde65d0 [ 76.548003][ T406] ---[ end trace fca5e2e0f619f9f3 ]--- [ 76.553942][ T406] ------------[ cut here ]------------ [ 76.559403][ T406] WARNING: CPU: 1 PID: 406 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 76.568366][ T406] Modules linked in: [ 76.572294][ C1] !!! css_killed_ref_fn css ffff88811309f000 !!! [ 76.572311][ C1] !!! css_killed_ref_fn css ffff88811309f400 !!! [ 76.572317][ C1] !!! css_killed_ref_fn css ffff88811309e800 !!! [ 76.591842][ T406] CPU: 1 PID: 406 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 76.603413][ T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.613719][ T406] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 76.619451][ T406] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 76.639510][ T406] RSP: 0018:ffffc90000ea7dd0 EFLAGS: 00010293 [ 76.645642][ T406] RAX: ffffffff81af07bc RBX: ffff88811189c260 RCX: ffff888107d8bd00 [ 76.653638][ T406] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 76.661808][ T406] RBP: ffffc90000ea7e40 R08: ffffffff81af04e7 R09: fffff520001d4fb2 [ 76.669825][ T406] R10: fffff520001d4fb2 R11: 1ffff920001d4fb1 R12: dffffc0000000000 [ 76.677868][ T406] R13: ffff88811189c180 R14: 00000000fffffffe R15: 0000000000000000 [ 76.685897][ T406] FS: 000055555631e400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 76.695330][ T406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.702475][ T406] CR2: 00007fff2cde4cc8 CR3: 0000000109141000 CR4: 00000000003506a0 [ 76.710562][ T406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.718589][ T406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.726796][ T406] Call Trace: [ 76.730095][ T406] path_umount+0x1ad/0xed0 [ 76.734538][ T406] __x64_sys_umount+0xe8/0x110 [ 76.739315][ T406] do_syscall_64+0x34/0x70 [ 76.744121][ T406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.750111][ T406] RIP: 0033:0x7f79b35df557 [ 76.754549][ T406] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 76.774266][ T406] RSP: 002b:00007fff2cde5408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 76.782710][ T406] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79b35df557 [ 76.790775][ T406] RDX: 00007fff2cde54da RSI: 000000000000000a RDI: 00007fff2cde54d0 [ 76.798981][ T406] RBP: 00007fff2cde54d0 R08: 00000000ffffffff R09: 00007fff2cde52a0 [ 76.807074][ T406] R10: 000055555631fba3 R11: 0000000000000246 R12: 00007f79b36371f8 [ 76.815640][ T406] R13: 00007fff2cde6590 R14: 000055555631fb00 R15: 00007fff2cde65d0 [ 76.823652][ T406] ---[ end trace fca5e2e0f619f9f4 ]--- [ 76.830013][ T375] !!! css_put is ALREADY zero css or dying ffff88811309f000 !!! [ 76.840438][ T19] !!! css_put is ALREADY zero css or dying ffff88811309f400 !!! [ 76.848685][ T19] !!! css_put is ALREADY zero css or dying ffff88811309e800 !!! [ 76.856570][ T711] !!! css_create !!! [ 76.860618][ T711] !!! css_create !!! [ 76.865021][ T711] !!! css_create !!! [ 76.869013][ T711] FAULT_INJECTION: forcing a failure. [ 76.869013][ T711] name failslab, interval 1, probability 0, space 0, times 0 [ 76.882104][ T711] CPU: 0 PID: 711 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 76.893686][ T711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.903820][ T711] Call Trace: [ 76.907100][ T711] dump_stack+0x19c/0x1e2 [ 76.911415][ T711] should_fail+0x3f7/0x5b0 [ 76.916002][ T711] __should_failslab+0xd2/0x130 [ 76.921108][ T711] should_failslab+0x9/0x20 [ 76.925628][ T711] slab_pre_alloc_hook+0x25/0xe0 [ 76.930553][ T711] kmem_cache_alloc_trace+0x47/0x2b0 [ 76.935834][ T711] ? pids_css_alloc+0x4e/0x120 [ 76.940592][ T711] pids_css_alloc+0x4e/0x120 [ 76.945261][ T711] cgroup_apply_control_enable+0x44e/0xfc0 [ 76.951053][ T711] cgroup_apply_control+0x36/0x710 [ 76.956157][ T711] ? init_wait_entry+0xe0/0xe0 [ 76.960947][ T711] ? cgroup_kn_lock_live+0x1af/0x370 [ 76.966227][ T711] cgroup_subtree_control_write+0xd05/0x12d0 [ 76.972200][ T711] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 76.978159][ T711] cgroup_file_write+0x22f/0x4f0 [ 76.983079][ T711] kernfs_fop_write_iter+0x2cd/0x410 [ 76.988378][ T711] ? cgroup_seqfile_stop+0xc0/0xc0 [ 76.993474][ T711] vfs_write+0xb57/0xe50 [ 76.997713][ T711] ksys_write+0x157/0x260 [ 77.002369][ T711] __x64_sys_write+0x7b/0x90 [ 77.007199][ T711] do_syscall_64+0x34/0x70 [ 77.011975][ T711] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.017850][ T711] RIP: 0033:0x7f37291a60e9 [ 77.022348][ T711] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 77.042191][ T711] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.050599][ T711] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 77.059000][ T711] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 77.067783][ T711] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 77.075948][ T711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 77.084003][ T711] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 77.092144][ T711] !!! cgroup_apply_control_disable [ 77.097636][ T711] !!! cgroup_apply_control_disable kill_css ffff888113593c00 [ 77.105192][ T711] !!! cgroup_apply_control_disable kill_css ffff888113590000 [ 77.151954][ C1] !!! css_killed_ref_fn css ffff888113593c00 !!! [ 77.151960][ C0] !!! css_killed_ref_fn css ffff888113590000 !!! [ 77.152026][ T74] !!! css_put is ALREADY zero css or dying ffff888113590000 !!! [ 77.172725][ T19] !!! css_put is ALREADY zero css or dying ffff888113593c00 !!! [ 77.181663][ T726] !!! css_create !!! [ 77.185667][ T726] !!! css_create !!! [ 77.190046][ T726] !!! css_create !!! [ 77.194393][ T726] FAULT_INJECTION: forcing a failure. [ 77.194393][ T726] name failslab, interval 1, probability 0, space 0, times 0 [ 77.207206][ T726] CPU: 1 PID: 726 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 77.218890][ T726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.229196][ T726] Call Trace: [ 77.232564][ T726] dump_stack+0x19c/0x1e2 [ 77.236880][ T726] should_fail+0x3f7/0x5b0 [ 77.241571][ T726] __should_failslab+0xd2/0x130 [ 77.246424][ T726] should_failslab+0x9/0x20 [ 77.251040][ T726] slab_pre_alloc_hook+0x25/0xe0 [ 77.255993][ T726] ? __kernfs_new_node+0x4c/0x6d0 [ 77.261030][ T726] __kmalloc_track_caller+0x70/0x300 [ 77.266314][ T726] ? __kernfs_new_node+0x4c/0x6d0 [ 77.271329][ T726] kstrdup_const+0x55/0x90 [ 77.275729][ T726] __kernfs_new_node+0x4c/0x6d0 [ 77.280650][ T726] ? string+0x29f/0x2b0 [ 77.284801][ T726] ? vsnprintf+0x1a6c/0x1b30 [ 77.289473][ T726] kernfs_new_node+0x97/0x170 [ 77.294418][ T726] __kernfs_create_file+0x4a/0x270 [ 77.299510][ T726] cgroup_addrm_files+0x99e/0xeb0 [ 77.304526][ T726] ? delete_node+0x747/0x7a0 [ 77.309103][ T726] ? node_tag_clear+0x1a0/0x2c0 [ 77.313937][ T726] css_populate_dir+0x137/0x370 [ 77.318769][ T726] cgroup_apply_control_enable+0x31e/0xfc0 [ 77.324673][ T726] cgroup_apply_control+0x36/0x710 [ 77.330029][ T726] ? init_wait_entry+0xe0/0xe0 [ 77.334809][ T726] ? cgroup_kn_lock_live+0x1af/0x370 [ 77.340072][ T726] cgroup_subtree_control_write+0xd05/0x12d0 [ 77.346037][ T726] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 77.352002][ T726] cgroup_file_write+0x22f/0x4f0 [ 77.357006][ T726] kernfs_fop_write_iter+0x2cd/0x410 [ 77.362363][ T726] ? cgroup_seqfile_stop+0xc0/0xc0 [ 77.367550][ T726] vfs_write+0xb57/0xe50 [ 77.371771][ T726] ksys_write+0x157/0x260 [ 77.376084][ T726] __x64_sys_write+0x7b/0x90 [ 77.380789][ T726] do_syscall_64+0x34/0x70 [ 77.385375][ T726] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.391259][ T726] RIP: 0033:0x7f37291a60e9 [ 77.395777][ T726] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 77.415656][ T726] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.424332][ T726] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 77.432307][ T726] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 77.440428][ T726] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 77.448642][ T726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 77.457046][ T726] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 77.465401][ T726] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 77.472653][ T726] !!! cgroup_apply_control_disable [ 77.477845][ T726] !!! cgroup_apply_control_disable kill_css ffff888113099000 [ 77.485289][ T726] !!! cgroup_apply_control_disable kill_css ffff88811309bc00 [ 77.492731][ T726] !!! cgroup_apply_control_disable kill_css ffff888113521c00 [ 77.521951][ C1] !!! css_killed_ref_fn css ffff888113099000 !!! [ 77.528672][ T375] !!! css_put is ALREADY zero css or dying ffff888113099000 !!! [ 77.536629][ C1] !!! css_killed_ref_fn css ffff88811309bc00 !!! [ 77.536645][ C1] !!! css_killed_ref_fn css ffff888113521c00 !!! [ 77.550617][ T375] !!! css_put is ALREADY zero css or dying ffff88811309bc00 !!! [ 77.559137][ T375] !!! css_put is ALREADY zero css or dying ffff888113521c00 !!! [ 77.567240][ T714] !!! css_create !!! [ 77.571385][ T714] !!! css_create !!! [ 77.575837][ T714] !!! css_create !!! [ 77.579942][ T714] FAULT_INJECTION: forcing a failure. [ 77.579942][ T714] name failslab, interval 1, probability 0, space 0, times 0 [ 77.592684][ T714] CPU: 1 PID: 714 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 77.604388][ T714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.614521][ T714] Call Trace: [ 77.617797][ T714] dump_stack+0x19c/0x1e2 [ 77.622116][ T714] should_fail+0x3f7/0x5b0 [ 77.626566][ T714] __should_failslab+0xd2/0x130 [ 77.631494][ T714] should_failslab+0x9/0x20 [ 77.636130][ T714] slab_pre_alloc_hook+0x25/0xe0 [ 77.641354][ T714] kmem_cache_alloc_trace+0x47/0x2b0 [ 77.646719][ T714] ? percpu_ref_init+0xd0/0x330 [ 77.651567][ T714] percpu_ref_init+0xd0/0x330 [ 77.656591][ T714] ? cgroup_setup_root+0x8a0/0x8a0 [ 77.661685][ T714] cgroup_apply_control_enable+0x49f/0xfc0 [ 77.667653][ T714] cgroup_apply_control+0x36/0x710 [ 77.673015][ T714] ? init_wait_entry+0xe0/0xe0 [ 77.677855][ T714] ? cgroup_kn_lock_live+0x1af/0x370 [ 77.683135][ T714] cgroup_subtree_control_write+0xd05/0x12d0 [ 77.689139][ T714] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 77.695593][ T714] cgroup_file_write+0x22f/0x4f0 [ 77.700520][ T714] kernfs_fop_write_iter+0x2cd/0x410 [ 77.705913][ T714] ? cgroup_seqfile_stop+0xc0/0xc0 [ 77.711225][ T714] vfs_write+0xb57/0xe50 [ 77.715544][ T714] ksys_write+0x157/0x260 [ 77.719957][ T714] __x64_sys_write+0x7b/0x90 [ 77.724790][ T714] do_syscall_64+0x34/0x70 [ 77.729252][ T714] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.735324][ T714] RIP: 0033:0x7f2442a680e9 [ 77.739913][ T714] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 77.760070][ T714] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.768556][ T714] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 77.776618][ T714] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 77.784838][ T714] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 77.792916][ T714] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 77.800992][ T714] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 77.809386][ T714] !!! cgroup_apply_control_disable [ 77.815104][ T714] !!! cgroup_apply_control_disable kill_css ffff888113099800 [ 77.822673][ T714] !!! cgroup_apply_control_disable kill_css ffff88811309a400 [ 77.861956][ C1] !!! css_killed_ref_fn css ffff888113099800 !!! [ 77.868421][ C1] !!! css_killed_ref_fn css ffff88811309a400 !!! [ 77.875022][ T375] !!! css_put is ALREADY zero css or dying ffff888113099800 !!! [ 77.883232][ T375] !!! css_put is ALREADY zero css or dying ffff88811309a400 !!! [ 77.891059][ T720] !!! css_create !!! [ 77.895239][ T720] !!! css_create !!! [ 77.899165][ T720] !!! css_create !!! [ 77.903275][ T720] FAULT_INJECTION: forcing a failure. [ 77.903275][ T720] name failslab, interval 1, probability 0, space 0, times 0 [ 77.916108][ T720] CPU: 1 PID: 720 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 77.928508][ T720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.938544][ T720] Call Trace: [ 77.941823][ T720] dump_stack+0x19c/0x1e2 [ 77.946152][ T720] should_fail+0x3f7/0x5b0 [ 77.950545][ T720] __should_failslab+0xd2/0x130 [ 77.955471][ T720] should_failslab+0x9/0x20 [ 77.960296][ T720] slab_pre_alloc_hook+0x25/0xe0 [ 77.965231][ T720] ? __kernfs_new_node+0x4c/0x6d0 [ 77.970247][ T720] __kmalloc_track_caller+0x70/0x300 [ 77.975519][ T720] ? __kernfs_new_node+0x4c/0x6d0 [ 77.980612][ T720] kstrdup_const+0x55/0x90 [ 77.985016][ T720] __kernfs_new_node+0x4c/0x6d0 [ 77.989939][ T720] ? string+0x29f/0x2b0 [ 77.994073][ T720] ? vsnprintf+0x1a6c/0x1b30 [ 77.998821][ T720] kernfs_new_node+0x97/0x170 [ 78.003593][ T720] __kernfs_create_file+0x4a/0x270 [ 78.008834][ T720] cgroup_addrm_files+0x99e/0xeb0 [ 78.013858][ T720] ? delete_node+0x747/0x7a0 [ 78.018646][ T720] ? node_tag_clear+0x1a0/0x2c0 [ 78.024283][ T720] css_populate_dir+0x137/0x370 [ 78.029226][ T720] cgroup_apply_control_enable+0x31e/0xfc0 [ 78.035147][ T720] cgroup_apply_control+0x36/0x710 [ 78.040345][ T720] ? init_wait_entry+0xe0/0xe0 [ 78.045104][ T720] ? cgroup_kn_lock_live+0x1af/0x370 [ 78.050399][ T720] cgroup_subtree_control_write+0xd05/0x12d0 [ 78.056357][ T720] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 78.062497][ T720] cgroup_file_write+0x22f/0x4f0 [ 78.067510][ T720] kernfs_fop_write_iter+0x2cd/0x410 [ 78.072956][ T720] ? cgroup_seqfile_stop+0xc0/0xc0 [ 78.078048][ T720] vfs_write+0xb57/0xe50 [ 78.082361][ T720] ksys_write+0x157/0x260 [ 78.086682][ T720] __x64_sys_write+0x7b/0x90 [ 78.091250][ T720] do_syscall_64+0x34/0x70 [ 78.095916][ T720] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.101785][ T720] RIP: 0033:0x7f773a1c40e9 [ 78.106270][ T720] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 78.126870][ T720] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.135357][ T720] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 78.143333][ T720] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 78.151291][ T720] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 78.159248][ T720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 78.167234][ T720] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 78.175701][ T720] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 78.182894][ T720] !!! cgroup_apply_control_disable [ 78.188368][ T720] !!! cgroup_apply_control_disable kill_css ffff8881138a2400 [ 78.195822][ T720] !!! cgroup_apply_control_disable kill_css ffff8881138a0400 [ 78.203287][ T720] !!! cgroup_apply_control_disable kill_css ffff88811389f800 [ 78.212136][ T411] ------------[ cut here ]------------ [ 78.217639][ T411] WARNING: CPU: 1 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 78.226763][ T411] Modules linked in: [ 78.230703][ T411] CPU: 1 PID: 411 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 78.242336][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.252527][ T411] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 78.258156][ T411] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 78.278098][ T411] RSP: 0018:ffffc90000ef7dd0 EFLAGS: 00010293 [ 78.284319][ T411] RAX: ffffffff81af07bc RBX: ffff88811189d8e0 RCX: ffff88810527db80 [ 78.292322][ T411] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 78.300401][ T411] RBP: ffffc90000ef7e40 R08: ffffffff81af04e7 R09: fffff520001defb2 [ 78.308408][ T411] R10: fffff520001defb2 R11: 1ffff920001defb1 R12: dffffc0000000000 [ 78.316419][ T411] R13: ffff88811189d800 R14: 00000000ffffffff R15: 0000000000000000 [ 78.324524][ T411] FS: 0000555556bbd400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 78.333834][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.340485][ T411] CR2: 00007f24429bd718 CR3: 00000001149a9000 CR4: 00000000003506a0 [ 78.348495][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.356481][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.364691][ T411] Call Trace: [ 78.368000][ T411] path_umount+0x1ad/0xed0 [ 78.372455][ T411] __x64_sys_umount+0xe8/0x110 [ 78.377236][ T411] do_syscall_64+0x34/0x70 [ 78.381667][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.387574][ T411] RIP: 0033:0x7f773a1c5557 [ 78.392029][ T411] 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 [ 78.411673][ T411] RSP: 002b:00007ffd8e5e51f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 78.420124][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f773a1c5557 [ 78.428201][ T411] RDX: 00007ffd8e5e52ca RSI: 000000000000000a RDI: 00007ffd8e5e52c0 [ 78.436202][ T411] RBP: 00007ffd8e5e52c0 R08: 00000000ffffffff R09: 00007ffd8e5e5090 [ 78.444296][ T411] R10: 0000555556bbeba3 R11: 0000000000000246 R12: 00007f773a21d1f8 [ 78.452289][ T411] R13: 00007ffd8e5e6380 R14: 0000555556bbeb00 R15: 00007ffd8e5e63c0 [ 78.460357][ T411] ---[ end trace fca5e2e0f619f9f5 ]--- [ 78.465870][ T411] ------------[ cut here ]------------ [ 78.471587][ T411] WARNING: CPU: 1 PID: 411 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 78.480125][ T411] Modules linked in: [ 78.484089][ C1] !!! css_killed_ref_fn css ffff8881138a2400 !!! [ 78.484105][ C1] !!! css_killed_ref_fn css ffff8881138a0400 !!! [ 78.484111][ C1] !!! css_killed_ref_fn css ffff88811389f800 !!! [ 78.503291][ T375] !!! css_put is ALREADY zero css or dying ffff8881138a2400 !!! [ 78.503362][ T411] CPU: 0 PID: 411 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 78.511059][ T375] !!! css_put is ALREADY zero css or dying ffff8881138a0400 !!! [ 78.522948][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.530911][ T375] !!! css_put is ALREADY zero css or dying ffff88811389f800 !!! [ 78.541126][ T411] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 78.548581][ T713] !!! css_create !!! [ 78.553928][ T411] Code: c6 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e 01 b9 ff 48 8b 7d d0 e8 55 cb 04 00 e9 21 fd ff ff e8 1b 01 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 ea 1f 86 80 e1 07 80 c1 03 38 c1 [ 78.557823][ T713] !!! css_create !!! [ 78.577561][ T411] RSP: 0018:ffffc90000ef7e30 EFLAGS: 00010293 [ 78.581400][ T713] !!! css_create !!! [ 78.587873][ T411] RAX: ffffffff81b01285 RBX: ffffe8ffffd43004 RCX: ffff88810527db80 [ 78.591311][ T713] FAULT_INJECTION: forcing a failure. [ 78.591311][ T713] name failslab, interval 1, probability 0, space 0, times 0 [ 78.599451][ T411] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 78.611866][ T713] CPU: 1 PID: 713 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 78.619986][ T411] RBP: ffffc90000ef7e80 R08: ffffffff81b00f63 R09: fffff520001defcd [ 78.631405][ T713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.631409][ T713] Call Trace: [ 78.631424][ T713] dump_stack+0x19c/0x1e2 [ 78.631435][ T713] should_fail+0x3f7/0x5b0 [ 78.631451][ T713] __should_failslab+0xd2/0x130 [ 78.639720][ T411] R10: fffff520001defcd R11: 1ffff920001defcc R12: ffff88811189d848 [ 78.649445][ T713] should_failslab+0x9/0x20 [ 78.649455][ T713] slab_pre_alloc_hook+0x25/0xe0 [ 78.649466][ T713] ? __kernfs_new_node+0x4c/0x6d0 [ 78.649481][ T713] __kmalloc_track_caller+0x70/0x300 [ 78.653026][ T411] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 78.657043][ T713] ? __kernfs_new_node+0x4c/0x6d0 [ 78.657053][ T713] kstrdup_const+0x55/0x90 [ 78.657074][ T713] __kernfs_new_node+0x4c/0x6d0 [ 78.661593][ T411] FS: 0000555556bbd400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 78.666456][ T713] ? string+0x29f/0x2b0 [ 78.666466][ T713] ? vsnprintf+0x1a6c/0x1b30 [ 78.666477][ T713] kernfs_new_node+0x97/0x170 [ 78.666493][ T713] __kernfs_create_file+0x4a/0x270 [ 78.675189][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.679104][ T713] cgroup_addrm_files+0x99e/0xeb0 [ 78.679123][ T713] ? delete_node+0x747/0x7a0 [ 78.684276][ T411] CR2: 00005555567573b8 CR3: 00000001149a9000 CR4: 00000000003506b0 [ 78.689118][ T713] ? node_tag_clear+0x1a0/0x2c0 [ 78.689137][ T713] css_populate_dir+0x137/0x370 [ 78.694607][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.702434][ T713] cgroup_apply_control_enable+0x31e/0xfc0 [ 78.702446][ T713] cgroup_apply_control+0x36/0x710 [ 78.702455][ T713] ? init_wait_entry+0xe0/0xe0 [ 78.702471][ T713] ? cgroup_kn_lock_live+0x1af/0x370 [ 78.707760][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.711861][ T713] cgroup_subtree_control_write+0xd05/0x12d0 [ 78.711878][ T713] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 78.716894][ T411] Call Trace: [ 78.725601][ T713] cgroup_file_write+0x22f/0x4f0 [ 78.725613][ T713] kernfs_fop_write_iter+0x2cd/0x410 [ 78.725630][ T713] ? cgroup_seqfile_stop+0xc0/0xc0 [ 78.729991][ T411] __cleanup_mnt+0x19/0x20 [ 78.734323][ T713] vfs_write+0xb57/0xe50 [ 78.734334][ T713] ksys_write+0x157/0x260 [ 78.734344][ T713] __x64_sys_write+0x7b/0x90 [ 78.734359][ T713] do_syscall_64+0x34/0x70 [ 78.739284][ T411] task_work_run+0x147/0x1b0 [ 78.744197][ T713] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.744205][ T713] RIP: 0033:0x7f69313bd0e9 [ 78.744217][ T713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 78.744231][ T713] RSP: 002b:00007f6931312168 EFLAGS: 00000246 [ 78.751140][ T411] exit_to_user_mode_loop+0xc8/0xe0 [ 78.755881][ T713] ORIG_RAX: 0000000000000001 [ 78.755889][ T713] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 78.755896][ T713] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 78.755903][ T713] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 78.755909][ T713] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 78.755923][ T713] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 78.760980][ T411] syscall_exit_to_user_mode+0x77/0xa0 [ 78.768665][ T713] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 78.773658][ T411] do_syscall_64+0x40/0x70 [ 78.778322][ T713] !!! cgroup_apply_control_disable [ 78.786532][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.792155][ T713] !!! cgroup_apply_control_disable kill_css ffff88811389ec00 [ 78.797739][ T411] RIP: 0033:0x7f773a1c5557 [ 78.802415][ T713] !!! cgroup_apply_control_disable kill_css ffff88811389d400 [ 78.807776][ T411] 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 [ 78.815704][ T713] !!! cgroup_apply_control_disable kill_css ffff88811389c400 [ 78.822804][ T411] RSP: 002b:00007ffd8e5e51f8 EFLAGS: 00000246 [ 78.841953][ C1] !!! css_killed_ref_fn css ffff88811389ec00 !!! [ 78.842379][ T411] ORIG_RAX: 00000000000000a6 [ 78.847782][ T375] !!! css_put is ALREADY zero css or dying ffff88811389ec00 !!! [ 78.852158][ T411] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f773a1c5557 [ 78.852176][ T411] RDX: 00007ffd8e5e52ca RSI: 000000000000000a RDI: 00007ffd8e5e52c0 [ 78.861968][ C1] !!! css_killed_ref_fn css ffff88811389d400 !!! [ 78.865342][ T411] RBP: 00007ffd8e5e52c0 R08: 00000000ffffffff R09: 00007ffd8e5e5090 [ 78.869705][ C1] !!! css_killed_ref_fn css ffff88811389c400 !!! [ 78.874286][ T411] R10: 0000555556bbeba3 R11: 0000000000000246 R12: 00007f773a21d1f8 [ 78.874301][ T411] R13: 00007ffd8e5e6380 R14: 0000555556bbeb00 R15: 00007ffd8e5e63c0 [ 78.880230][ T375] !!! css_put is ALREADY zero css or dying ffff88811389d400 !!! [ 78.884609][ T411] ---[ end trace fca5e2e0f619f9f6 ]--- [ 78.905559][ T375] !!! css_put is ALREADY zero css or dying ffff88811389c400 !!! [ 79.133141][ T732] !!! css_create !!! [ 79.137184][ T732] !!! css_create !!! [ 79.141211][ T732] !!! css_create !!! [ 79.145222][ T732] FAULT_INJECTION: forcing a failure. [ 79.145222][ T732] name failslab, interval 1, probability 0, space 0, times 0 [ 79.158075][ T732] CPU: 1 PID: 732 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 79.169712][ T732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.179808][ T732] Call Trace: [ 79.183093][ T732] dump_stack+0x19c/0x1e2 [ 79.187413][ T732] should_fail+0x3f7/0x5b0 [ 79.191812][ T732] __should_failslab+0xd2/0x130 [ 79.196651][ T732] should_failslab+0x9/0x20 [ 79.201150][ T732] slab_pre_alloc_hook+0x25/0xe0 [ 79.206100][ T732] ? __kernfs_new_node+0x4c/0x6d0 [ 79.211194][ T732] __kmalloc_track_caller+0x70/0x300 [ 79.216505][ T732] ? __kernfs_new_node+0x4c/0x6d0 [ 79.221523][ T732] kstrdup_const+0x55/0x90 [ 79.225921][ T732] __kernfs_new_node+0x4c/0x6d0 [ 79.230848][ T732] ? string+0x29f/0x2b0 [ 79.234988][ T732] ? vsnprintf+0x1a6c/0x1b30 [ 79.239790][ T732] kernfs_new_node+0x97/0x170 [ 79.244563][ T732] __kernfs_create_file+0x4a/0x270 [ 79.249837][ T732] cgroup_addrm_files+0x99e/0xeb0 [ 79.254947][ T732] ? delete_node+0x747/0x7a0 [ 79.259619][ T732] ? node_tag_clear+0x1a0/0x2c0 [ 79.264447][ T732] css_populate_dir+0x137/0x370 [ 79.269294][ T732] cgroup_apply_control_enable+0x31e/0xfc0 [ 79.275079][ T732] cgroup_apply_control+0x36/0x710 [ 79.280163][ T732] ? init_wait_entry+0xe0/0xe0 [ 79.284914][ T732] ? cgroup_kn_lock_live+0x1af/0x370 [ 79.290194][ T732] cgroup_subtree_control_write+0xd05/0x12d0 [ 79.296164][ T732] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 79.302329][ T732] cgroup_file_write+0x22f/0x4f0 [ 79.307312][ T732] kernfs_fop_write_iter+0x2cd/0x410 [ 79.312804][ T732] ? cgroup_seqfile_stop+0xc0/0xc0 [ 79.317985][ T732] vfs_write+0xb57/0xe50 [ 79.322205][ T732] ksys_write+0x157/0x260 [ 79.326522][ T732] __x64_sys_write+0x7b/0x90 [ 79.331099][ T732] do_syscall_64+0x34/0x70 [ 79.335596][ T732] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.341564][ T732] RIP: 0033:0x7f2442a680e9 [ 79.345971][ T732] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 79.366151][ T732] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.374554][ T732] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 79.382693][ T732] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 79.390872][ T732] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 79.398918][ T732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 79.407104][ T732] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 79.415770][ T732] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 79.423833][ T732] !!! cgroup_apply_control_disable 2022/05/31 19:48:40 executed programs: 104 [ 79.429036][ T732] !!! cgroup_apply_control_disable kill_css ffff88811398e400 [ 79.436664][ T732] !!! cgroup_apply_control_disable kill_css ffff88811398d800 [ 79.444193][ T732] !!! cgroup_apply_control_disable kill_css ffff88811398e000 [ 79.455456][ T415] ------------[ cut here ]------------ [ 79.460958][ T415] WARNING: CPU: 0 PID: 415 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 79.469913][ T415] Modules linked in: [ 79.471948][ C1] !!! css_killed_ref_fn css ffff88811398e400 !!! [ 79.473813][ T415] CPU: 0 PID: 415 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 79.480149][ T375] !!! css_put is ALREADY zero css or dying ffff88811398e400 !!! [ 79.491726][ T415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.491741][ T415] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 79.491758][ T415] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 79.535015][ T415] RSP: 0018:ffffc90000f37dd0 EFLAGS: 00010293 [ 79.541257][ T415] RAX: ffffffff81af07bc RBX: ffff88811189dd60 RCX: ffff8881028fcc40 [ 79.549511][ T415] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 79.557493][ T415] RBP: ffffc90000f37e40 R08: ffffffff81af04e7 R09: fffff520001e6fb2 [ 79.565554][ T415] R10: fffff520001e6fb2 R11: 1ffff920001e6fb1 R12: dffffc0000000000 [ 79.573708][ T415] R13: ffff88811189dc80 R14: 00000000ffffffff R15: 0000000000000000 [ 79.581661][ T415] FS: 00005555558d3400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 79.590674][ T415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.597250][ T415] CR2: 0000555556bc6b38 CR3: 0000000114b99000 CR4: 00000000003506b0 [ 79.605252][ T415] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.613218][ T415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.621182][ T415] Call Trace: [ 79.624475][ T415] path_umount+0x1ad/0xed0 [ 79.628873][ T415] __x64_sys_umount+0xe8/0x110 [ 79.633664][ T415] do_syscall_64+0x34/0x70 [ 79.638070][ T415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.644174][ T415] RIP: 0033:0x7f2442a69557 [ 79.648598][ T415] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 79.668581][ T415] RSP: 002b:00007ffe51e30eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 79.677088][ T415] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2442a69557 [ 79.685087][ T415] RDX: 00007ffe51e30f8a RSI: 000000000000000a RDI: 00007ffe51e30f80 [ 79.693506][ T415] RBP: 00007ffe51e30f80 R08: 00000000ffffffff R09: 00007ffe51e30d50 [ 79.704888][ T415] R10: 00005555558d4ba3 R11: 0000000000000246 R12: 00007f2442ac11f8 [ 79.712957][ T415] R13: 00007ffe51e32040 R14: 00005555558d4b00 R15: 00007ffe51e32080 [ 79.720913][ T415] ---[ end trace fca5e2e0f619f9f7 ]--- [ 79.726781][ T415] ------------[ cut here ]------------ [ 79.732367][ T415] WARNING: CPU: 0 PID: 415 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 79.741044][ T415] Modules linked in: [ 79.741972][ C1] !!! css_killed_ref_fn css ffff88811398d800 !!! [ 79.745212][ T415] CPU: 0 PID: 415 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 79.751311][ C1] !!! css_killed_ref_fn css ffff88811398e000 !!! [ 79.763124][ T415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.769917][ T375] !!! css_put is ALREADY zero css or dying ffff88811398d800 !!! [ 79.779524][ T415] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 79.787284][ T375] !!! css_put is ALREADY zero css or dying ffff88811398e000 !!! [ 79.792694][ T415] Code: c6 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e 01 b9 ff 48 8b 7d d0 e8 55 cb 04 00 e9 21 fd ff ff e8 1b 01 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 ea 1f 86 80 e1 07 80 c1 03 38 c1 [ 79.800516][ T701] !!! css_create !!! [ 79.820807][ T415] RSP: 0018:ffffc90000f37e30 EFLAGS: 00010293 [ 79.824598][ T701] !!! css_create !!! [ 79.830678][ T415] RAX: ffffffff81b01285 RBX: ffffe8ffffd4300c RCX: ffff8881028fcc40 [ 79.834990][ T701] !!! css_create !!! [ 79.842933][ T415] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 79.846821][ T701] FAULT_INJECTION: forcing a failure. [ 79.846821][ T701] name failslab, interval 1, probability 0, space 0, times 0 [ 79.854947][ T415] RBP: ffffc90000f37e80 R08: ffffffff81b00f63 R09: fffff520001e6fcd [ 79.867461][ T701] CPU: 1 PID: 701 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 79.876229][ T415] R10: fffff520001e6fcd R11: 1ffff920001e6fcc R12: ffff88811189dcc8 [ 79.887523][ T701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.887527][ T701] Call Trace: [ 79.887543][ T701] dump_stack+0x19c/0x1e2 [ 79.887555][ T701] should_fail+0x3f7/0x5b0 [ 79.887571][ T701] __should_failslab+0xd2/0x130 [ 79.895868][ T415] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 79.905664][ T701] should_failslab+0x9/0x20 [ 79.905675][ T701] slab_pre_alloc_hook+0x25/0xe0 [ 79.905685][ T701] kmem_cache_alloc_trace+0x47/0x2b0 [ 79.905695][ T701] ? percpu_ref_init+0xd0/0x330 [ 79.905711][ T701] percpu_ref_init+0xd0/0x330 [ 79.909301][ T415] FS: 00005555558d3400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 79.913368][ T701] ? cgroup_setup_root+0x8a0/0x8a0 [ 79.913380][ T701] cgroup_apply_control_enable+0x49f/0xfc0 [ 79.913391][ T701] cgroup_apply_control+0x36/0x710 [ 79.913409][ T701] ? init_wait_entry+0xe0/0xe0 [ 79.918058][ T415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.922651][ T701] ? cgroup_kn_lock_live+0x1af/0x370 [ 79.922664][ T701] cgroup_subtree_control_write+0xd05/0x12d0 [ 79.922681][ T701] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 79.930876][ T415] CR2: 0000555556bc6b38 CR3: 0000000114b99000 CR4: 00000000003506b0 [ 79.935231][ T701] cgroup_file_write+0x22f/0x4f0 [ 79.935242][ T701] kernfs_fop_write_iter+0x2cd/0x410 [ 79.935252][ T701] ? cgroup_seqfile_stop+0xc0/0xc0 [ 79.935267][ T701] vfs_write+0xb57/0xe50 [ 79.940730][ T415] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.945877][ T701] ksys_write+0x157/0x260 [ 79.945887][ T701] __x64_sys_write+0x7b/0x90 [ 79.945897][ T701] do_syscall_64+0x34/0x70 [ 79.945918][ T701] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.951093][ T415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.955478][ T701] RIP: 0033:0x7fa1a960b0e9 [ 79.955489][ T701] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 79.955496][ T701] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.964960][ T415] Call Trace: [ 79.969892][ T701] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 79.969904][ T701] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 79.969917][ T701] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 79.975962][ T415] __cleanup_mnt+0x19/0x20 [ 79.980859][ T701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 79.980867][ T701] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 79.982205][ T701] !!! cgroup_apply_control_disable [ 79.985823][ T415] task_work_run+0x147/0x1b0 [ 79.992522][ T701] !!! cgroup_apply_control_disable kill_css ffff888111c00c00 [ 79.997631][ T415] exit_to_user_mode_loop+0xc8/0xe0 [ 80.003858][ T701] !!! cgroup_apply_control_disable kill_css ffff8881138a3400 [ 80.009668][ T415] syscall_exit_to_user_mode+0x77/0xa0 [ 80.189110][ T415] do_syscall_64+0x40/0x70 [ 80.194543][ T415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.198072][ C1] !!! css_killed_ref_fn css ffff888111c00c00 !!! [ 80.200448][ T415] RIP: 0033:0x7f2442a69557 [ 80.200461][ T415] 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 [ 80.200477][ T415] RSP: 002b:00007ffe51e30eb8 EFLAGS: 00000246 [ 80.207068][ T375] !!! css_put is ALREADY zero css or dying ffff888111c00c00 !!! [ 80.211217][ T415] ORIG_RAX: 00000000000000a6 [ 80.211226][ T415] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2442a69557 [ 80.211234][ T415] RDX: 00007ffe51e30f8a RSI: 000000000000000a RDI: 00007ffe51e30f80 [ 80.211249][ T415] RBP: 00007ffe51e30f80 R08: 00000000ffffffff R09: 00007ffe51e30d50 [ 80.273384][ T415] R10: 00005555558d4ba3 R11: 0000000000000246 R12: 00007f2442ac11f8 [ 80.281352][ T415] R13: 00007ffe51e32040 R14: 00005555558d4b00 R15: 00007ffe51e32080 [ 80.289730][ T415] ---[ end trace fca5e2e0f619f9f8 ]--- [ 80.291964][ C1] !!! css_killed_ref_fn css ffff8881138a3400 !!! [ 80.303753][ T375] !!! css_put is ALREADY zero css or dying ffff8881138a3400 !!! [ 80.311474][ T744] !!! css_create !!! [ 80.315619][ T744] !!! css_create !!! [ 80.319549][ T744] !!! css_create !!! [ 80.323520][ T744] FAULT_INJECTION: forcing a failure. [ 80.323520][ T744] name failslab, interval 1, probability 0, space 0, times 0 [ 80.336562][ T744] CPU: 0 PID: 744 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 80.348085][ T744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.358423][ T744] Call Trace: [ 80.361711][ T744] dump_stack+0x19c/0x1e2 [ 80.366025][ T744] should_fail+0x3f7/0x5b0 [ 80.370416][ T744] __should_failslab+0xd2/0x130 [ 80.375256][ T744] should_failslab+0x9/0x20 [ 80.379834][ T744] slab_pre_alloc_hook+0x25/0xe0 [ 80.384741][ T744] kmem_cache_alloc_trace+0x47/0x2b0 [ 80.390021][ T744] ? pids_css_alloc+0x4e/0x120 [ 80.394880][ T744] pids_css_alloc+0x4e/0x120 [ 80.399632][ T744] cgroup_apply_control_enable+0x44e/0xfc0 [ 80.405431][ T744] cgroup_apply_control+0x36/0x710 [ 80.410544][ T744] ? init_wait_entry+0xe0/0xe0 [ 80.415286][ T744] ? cgroup_kn_lock_live+0x1af/0x370 [ 80.420547][ T744] cgroup_subtree_control_write+0xd05/0x12d0 [ 80.426524][ T744] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 80.432778][ T744] cgroup_file_write+0x22f/0x4f0 [ 80.437708][ T744] kernfs_fop_write_iter+0x2cd/0x410 [ 80.442965][ T744] ? cgroup_seqfile_stop+0xc0/0xc0 [ 80.448227][ T744] vfs_write+0xb57/0xe50 [ 80.452448][ T744] ksys_write+0x157/0x260 [ 80.456768][ T744] __x64_sys_write+0x7b/0x90 [ 80.461453][ T744] do_syscall_64+0x34/0x70 [ 80.465859][ T744] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.471928][ T744] RIP: 0033:0x7fa1a960b0e9 [ 80.476324][ T744] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 80.496277][ T744] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.504693][ T744] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 80.512926][ T744] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 80.521671][ T744] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 80.529703][ T744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 80.537648][ T744] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 80.546317][ T744] !!! cgroup_apply_control_disable [ 80.551635][ T744] !!! cgroup_apply_control_disable kill_css ffff888113b50000 [ 80.561347][ T744] !!! cgroup_apply_control_disable kill_css ffff888113b50c00 [ 80.591966][ C1] !!! css_killed_ref_fn css ffff888113b50000 !!! [ 80.598543][ T375] !!! css_put is ALREADY zero css or dying ffff888113b50000 !!! [ 80.601997][ C0] !!! css_killed_ref_fn css ffff888113b50c00 !!! [ 80.613093][ T5] !!! css_put is ALREADY zero css or dying ffff888113b50c00 !!! [ 80.621060][ T741] !!! css_create !!! [ 80.625149][ T741] !!! css_create !!! [ 80.629378][ T741] !!! css_create !!! [ 80.633469][ T741] FAULT_INJECTION: forcing a failure. [ 80.633469][ T741] name failslab, interval 1, probability 0, space 0, times 0 [ 80.646415][ T741] CPU: 0 PID: 741 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 80.657950][ T741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.667987][ T741] Call Trace: [ 80.671260][ T741] dump_stack+0x19c/0x1e2 [ 80.675599][ T741] should_fail+0x3f7/0x5b0 [ 80.679999][ T741] __should_failslab+0xd2/0x130 [ 80.684939][ T741] should_failslab+0x9/0x20 [ 80.689584][ T741] slab_pre_alloc_hook+0x25/0xe0 [ 80.694619][ T741] ? __kernfs_new_node+0x4c/0x6d0 [ 80.699631][ T741] __kmalloc_track_caller+0x70/0x300 [ 80.705016][ T741] ? __kernfs_new_node+0x4c/0x6d0 [ 80.710054][ T741] kstrdup_const+0x55/0x90 [ 80.714457][ T741] __kernfs_new_node+0x4c/0x6d0 [ 80.719724][ T741] ? string+0x29f/0x2b0 [ 80.724397][ T741] ? vsnprintf+0x1a6c/0x1b30 [ 80.728976][ T741] kernfs_new_node+0x97/0x170 [ 80.733637][ T741] __kernfs_create_file+0x4a/0x270 [ 80.738744][ T741] cgroup_addrm_files+0x99e/0xeb0 [ 80.743755][ T741] ? delete_node+0x747/0x7a0 [ 80.748340][ T741] ? node_tag_clear+0x1a0/0x2c0 [ 80.753171][ T741] css_populate_dir+0x137/0x370 [ 80.758018][ T741] cgroup_apply_control_enable+0x31e/0xfc0 [ 80.764248][ T741] cgroup_apply_control+0x36/0x710 [ 80.769336][ T741] ? init_wait_entry+0xe0/0xe0 [ 80.774091][ T741] ? cgroup_kn_lock_live+0x1af/0x370 [ 80.779367][ T741] cgroup_subtree_control_write+0xd05/0x12d0 [ 80.785431][ T741] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 80.791395][ T741] cgroup_file_write+0x22f/0x4f0 [ 80.796315][ T741] kernfs_fop_write_iter+0x2cd/0x410 [ 80.801580][ T741] ? cgroup_seqfile_stop+0xc0/0xc0 [ 80.806676][ T741] vfs_write+0xb57/0xe50 [ 80.811004][ T741] ksys_write+0x157/0x260 [ 80.815312][ T741] __x64_sys_write+0x7b/0x90 [ 80.820051][ T741] do_syscall_64+0x34/0x70 [ 80.824442][ T741] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.830312][ T741] RIP: 0033:0x7f773a1c40e9 [ 80.834703][ T741] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 80.854303][ T741] RSP: 002b:00007f773a119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.862697][ T741] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 80.870763][ T741] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 80.878833][ T741] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 80.887059][ T741] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 80.895115][ T741] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 80.903716][ T741] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 80.910855][ T741] !!! cgroup_apply_control_disable [ 80.916361][ T741] !!! cgroup_apply_control_disable kill_css ffff888113d14800 [ 80.923909][ T741] !!! cgroup_apply_control_disable kill_css ffff888113d17800 [ 80.931386][ T741] !!! cgroup_apply_control_disable kill_css ffff888113d16800 [ 80.941064][ T411] ------------[ cut here ]------------ [ 80.946581][ T411] WARNING: CPU: 1 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 80.955701][ T411] Modules linked in: [ 80.959601][ T411] CPU: 1 PID: 411 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 80.971151][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.981250][ T411] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 80.986934][ T411] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 81.006669][ T411] RSP: 0018:ffffc90000ef7d58 EFLAGS: 00010293 [ 81.012776][ T411] RAX: ffffffff81af07bc RBX: ffff888112395460 RCX: ffff88810527db80 [ 81.020747][ T411] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 81.028741][ T411] RBP: ffffc90000ef7dc8 R08: ffffffff81af04e7 R09: fffff520001defa3 [ 81.036714][ T411] R10: fffff520001defa3 R11: 1ffff920001defa2 R12: dffffc0000000000 [ 81.044716][ T411] R13: ffff888112395380 R14: 00000000ffffffff R15: 0000000000000000 [ 81.052786][ T411] FS: 0000555556bbd400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 81.061698][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.068318][ T411] CR2: 00007ffd8e5e4f98 CR3: 00000001149a9000 CR4: 00000000003506a0 [ 81.076394][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.084714][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.092840][ T411] Call Trace: [ 81.096149][ T411] ? init_wait_entry+0xe0/0xe0 [ 81.100917][ T411] ? up_write+0x68/0x140 [ 81.105165][ T411] namespace_unlock+0x377/0x420 [ 81.110148][ T411] path_umount+0xe23/0xed0 [ 81.114563][ T411] __x64_sys_umount+0xe8/0x110 [ 81.119310][ T411] do_syscall_64+0x34/0x70 [ 81.123737][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.129710][ T411] RIP: 0033:0x7f773a1c5557 [ 81.134140][ T411] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 81.153862][ T411] RSP: 002b:00007ffd8e5e51f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 81.162375][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f773a1c5557 [ 81.170422][ T411] RDX: 00007ffd8e5e52ca RSI: 000000000000000a RDI: 00007ffd8e5e52c0 [ 81.178392][ T411] RBP: 00007ffd8e5e52c0 R08: 00000000ffffffff R09: 00007ffd8e5e5090 [ 81.186377][ T411] R10: 0000555556bbeba3 R11: 0000000000000246 R12: 00007f773a21d1f8 [ 81.194648][ T411] R13: 00007ffd8e5e6380 R14: 0000555556bbeb00 R15: 00007ffd8e5e63c0 [ 81.202625][ T411] ---[ end trace fca5e2e0f619f9f9 ]--- [ 81.208133][ T411] ------------[ cut here ]------------ [ 81.213653][ T411] WARNING: CPU: 0 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 81.222572][ T411] Modules linked in: [ 81.226460][ T411] CPU: 0 PID: 411 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 81.237979][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.248469][ T411] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 81.254111][ T411] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 81.273799][ T411] RSP: 0018:ffffc90000ef7dd0 EFLAGS: 00010293 [ 81.279860][ T411] RAX: ffffffff81af07bc RBX: ffff888112395460 RCX: ffff88810527db80 [ 81.287899][ T411] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 81.296040][ T411] RBP: ffffc90000ef7e40 R08: ffffffff81af04e7 R09: fffff520001defb2 [ 81.304109][ T411] R10: fffff520001defb2 R11: 1ffff920001defb1 R12: dffffc0000000000 [ 81.312284][ T411] R13: ffff888112395380 R14: 00000000fffffffe R15: 0000000000000000 [ 81.320332][ T411] FS: 0000555556bbd400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 81.329430][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.336087][ T411] CR2: 00007fa1a955fff8 CR3: 00000001149a9000 CR4: 00000000003506b0 [ 81.344247][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.352206][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.360251][ T411] Call Trace: [ 81.363544][ T411] path_umount+0x1ad/0xed0 [ 81.368025][ T411] __x64_sys_umount+0xe8/0x110 [ 81.373045][ T411] do_syscall_64+0x34/0x70 [ 81.377434][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.383310][ T411] RIP: 0033:0x7f773a1c5557 [ 81.387714][ T411] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 81.407402][ T411] RSP: 002b:00007ffd8e5e51f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 81.415886][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f773a1c5557 [ 81.423943][ T411] RDX: 00007ffd8e5e52ca RSI: 000000000000000a RDI: 00007ffd8e5e52c0 [ 81.431901][ T411] RBP: 00007ffd8e5e52c0 R08: 00000000ffffffff R09: 00007ffd8e5e5090 [ 81.440143][ T411] R10: 0000555556bbeba3 R11: 0000000000000246 R12: 00007f773a21d1f8 [ 81.448101][ T411] R13: 00007ffd8e5e6380 R14: 0000555556bbeb00 R15: 00007ffd8e5e63c0 [ 81.456222][ T411] ---[ end trace fca5e2e0f619f9fa ]--- [ 81.461975][ C0] !!! css_killed_ref_fn css ffff888113d14800 !!! [ 81.468346][ C0] !!! css_killed_ref_fn css ffff888113d17800 !!! [ 81.474734][ T74] !!! css_put is ALREADY zero css or dying ffff888113d14800 !!! [ 81.482403][ T74] !!! css_put is ALREADY zero css or dying ffff888113d17800 !!! [ 81.490670][ C0] !!! css_killed_ref_fn css ffff888113d16800 !!! [ 81.497164][ T5] !!! css_put is ALREADY zero css or dying ffff888113d16800 !!! [ 81.504887][ T723] !!! css_create !!! [ 81.508886][ T723] !!! css_create !!! [ 81.512889][ T723] !!! css_create !!! [ 81.516812][ T723] FAULT_INJECTION: forcing a failure. [ 81.516812][ T723] name failslab, interval 1, probability 0, space 0, times 0 [ 81.529796][ T723] CPU: 0 PID: 723 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 81.541343][ T723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.551516][ T723] Call Trace: [ 81.555169][ T723] dump_stack+0x19c/0x1e2 [ 81.559478][ T723] should_fail+0x3f7/0x5b0 [ 81.563890][ T723] __should_failslab+0xd2/0x130 [ 81.568715][ T723] should_failslab+0x9/0x20 [ 81.573291][ T723] slab_pre_alloc_hook+0x25/0xe0 [ 81.578212][ T723] ? __kernfs_new_node+0x4c/0x6d0 [ 81.583221][ T723] __kmalloc_track_caller+0x70/0x300 [ 81.588518][ T723] ? __kernfs_new_node+0x4c/0x6d0 [ 81.593645][ T723] kstrdup_const+0x55/0x90 [ 81.598056][ T723] __kernfs_new_node+0x4c/0x6d0 [ 81.602896][ T723] ? string+0x29f/0x2b0 [ 81.607028][ T723] ? vsnprintf+0x1a6c/0x1b30 [ 81.611597][ T723] kernfs_new_node+0x97/0x170 [ 81.616251][ T723] __kernfs_create_file+0x4a/0x270 [ 81.621384][ T723] cgroup_addrm_files+0x99e/0xeb0 [ 81.626396][ T723] ? delete_node+0x747/0x7a0 [ 81.630974][ T723] ? node_tag_clear+0x1a0/0x2c0 [ 81.635975][ T723] css_populate_dir+0x137/0x370 [ 81.640895][ T723] cgroup_apply_control_enable+0x31e/0xfc0 [ 81.646710][ T723] cgroup_apply_control+0x36/0x710 [ 81.651799][ T723] ? init_wait_entry+0xe0/0xe0 [ 81.656560][ T723] ? cgroup_kn_lock_live+0x1af/0x370 [ 81.661836][ T723] cgroup_subtree_control_write+0xd05/0x12d0 [ 81.667842][ T723] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 81.673895][ T723] cgroup_file_write+0x22f/0x4f0 [ 81.678811][ T723] kernfs_fop_write_iter+0x2cd/0x410 [ 81.684078][ T723] ? cgroup_seqfile_stop+0xc0/0xc0 [ 81.689252][ T723] vfs_write+0xb57/0xe50 [ 81.693477][ T723] ksys_write+0x157/0x260 [ 81.697779][ T723] __x64_sys_write+0x7b/0x90 [ 81.702350][ T723] do_syscall_64+0x34/0x70 [ 81.706921][ T723] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.712800][ T723] RIP: 0033:0x7f79b35de0e9 [ 81.717194][ T723] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 81.736879][ T723] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.745367][ T723] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 81.753352][ T723] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 81.761310][ T723] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 81.769257][ T723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 81.777205][ T723] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 81.785357][ T723] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 81.792959][ T723] !!! cgroup_apply_control_disable [ 81.798088][ T723] !!! cgroup_apply_control_disable kill_css ffff888114ea8000 [ 81.805955][ T723] !!! cgroup_apply_control_disable kill_css ffff888113de7000 [ 81.813460][ T723] !!! cgroup_apply_control_disable kill_css ffff888113de7c00 [ 81.842022][ C0] !!! css_killed_ref_fn css ffff888114ea8000 !!! [ 81.848556][ T5] !!! css_put is ALREADY zero css or dying ffff888114ea8000 !!! [ 81.861971][ C1] !!! css_killed_ref_fn css ffff888113de7000 !!! [ 81.868615][ C1] !!! css_killed_ref_fn css ffff888113de7c00 !!! [ 81.875034][ T375] !!! css_put is ALREADY zero css or dying ffff888113de7000 !!! [ 81.882890][ T375] !!! css_put is ALREADY zero css or dying ffff888113de7c00 !!! [ 81.890860][ T729] !!! css_create !!! [ 81.895014][ T729] !!! css_create !!! [ 81.899095][ T729] !!! css_create !!! [ 81.903090][ T729] FAULT_INJECTION: forcing a failure. [ 81.903090][ T729] name failslab, interval 1, probability 0, space 0, times 0 [ 81.915858][ T729] CPU: 0 PID: 729 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 81.927385][ T729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.937418][ T729] Call Trace: [ 81.940774][ T729] dump_stack+0x19c/0x1e2 [ 81.945251][ T729] should_fail+0x3f7/0x5b0 [ 81.949654][ T729] __should_failslab+0xd2/0x130 [ 81.954567][ T729] should_failslab+0x9/0x20 [ 81.959133][ T729] slab_pre_alloc_hook+0x25/0xe0 [ 81.964067][ T729] kmem_cache_alloc_trace+0x47/0x2b0 [ 81.969346][ T729] ? percpu_ref_init+0xd0/0x330 [ 81.974176][ T729] percpu_ref_init+0xd0/0x330 [ 81.978846][ T729] ? cgroup_setup_root+0x8a0/0x8a0 [ 81.984034][ T729] cgroup_apply_control_enable+0x49f/0xfc0 [ 81.989926][ T729] cgroup_apply_control+0x36/0x710 [ 81.995015][ T729] ? init_wait_entry+0xe0/0xe0 [ 82.000103][ T729] ? cgroup_kn_lock_live+0x1af/0x370 [ 82.005476][ T729] cgroup_subtree_control_write+0xd05/0x12d0 [ 82.011540][ T729] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 82.017497][ T729] cgroup_file_write+0x22f/0x4f0 [ 82.022415][ T729] kernfs_fop_write_iter+0x2cd/0x410 [ 82.027676][ T729] ? cgroup_seqfile_stop+0xc0/0xc0 [ 82.032774][ T729] vfs_write+0xb57/0xe50 [ 82.037003][ T729] ksys_write+0x157/0x260 [ 82.041319][ T729] __x64_sys_write+0x7b/0x90 [ 82.045888][ T729] do_syscall_64+0x34/0x70 [ 82.050283][ T729] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.056152][ T729] RIP: 0033:0x7f37291a60e9 [ 82.060545][ T729] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 82.080307][ T729] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.088715][ T729] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 82.096668][ T729] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 82.104617][ T729] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 82.112866][ T729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 82.120853][ T729] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 82.129299][ T729] !!! cgroup_apply_control_disable [ 82.134798][ T729] !!! cgroup_apply_control_disable kill_css ffff888114e3d400 [ 82.142418][ T729] !!! cgroup_apply_control_disable kill_css ffff888114e3c400 [ 82.171993][ C0] !!! css_killed_ref_fn css ffff888114e3d400 !!! [ 82.178356][ C0] !!! css_killed_ref_fn css ffff888114e3c400 !!! [ 82.184791][ T433] !!! css_put is ALREADY zero css or dying ffff888114e3d400 !!! [ 82.192658][ T433] !!! css_put is ALREADY zero css or dying ffff888114e3c400 !!! [ 82.200618][ T747] !!! css_create !!! [ 82.204811][ T747] !!! css_create !!! [ 82.208824][ T747] !!! css_create !!! [ 82.212934][ T747] FAULT_INJECTION: forcing a failure. [ 82.212934][ T747] name failslab, interval 1, probability 0, space 0, times 0 [ 82.225551][ T747] CPU: 0 PID: 747 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 82.237099][ T747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.247481][ T747] Call Trace: [ 82.250784][ T747] dump_stack+0x19c/0x1e2 [ 82.255236][ T747] should_fail+0x3f7/0x5b0 [ 82.259676][ T747] __should_failslab+0xd2/0x130 [ 82.264638][ T747] should_failslab+0x9/0x20 [ 82.269118][ T747] slab_pre_alloc_hook+0x25/0xe0 [ 82.274034][ T747] ? __kernfs_new_node+0x4c/0x6d0 [ 82.279033][ T747] __kmalloc_track_caller+0x70/0x300 [ 82.284375][ T747] ? __kernfs_new_node+0x4c/0x6d0 [ 82.289388][ T747] kstrdup_const+0x55/0x90 [ 82.293871][ T747] __kernfs_new_node+0x4c/0x6d0 [ 82.298926][ T747] ? string+0x29f/0x2b0 [ 82.303250][ T747] ? vsnprintf+0x1a6c/0x1b30 [ 82.308185][ T747] kernfs_new_node+0x97/0x170 [ 82.313198][ T747] __kernfs_create_file+0x4a/0x270 [ 82.318306][ T747] cgroup_addrm_files+0x99e/0xeb0 [ 82.323320][ T747] ? delete_node+0x747/0x7a0 [ 82.327998][ T747] ? node_tag_clear+0x1a0/0x2c0 [ 82.332914][ T747] css_populate_dir+0x137/0x370 [ 82.337851][ T747] cgroup_apply_control_enable+0x31e/0xfc0 [ 82.343813][ T747] cgroup_apply_control+0x36/0x710 [ 82.349003][ T747] ? init_wait_entry+0xe0/0xe0 [ 82.353752][ T747] ? cgroup_kn_lock_live+0x1af/0x370 [ 82.359117][ T747] cgroup_subtree_control_write+0xd05/0x12d0 [ 82.365945][ T747] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 82.371920][ T747] cgroup_file_write+0x22f/0x4f0 [ 82.376962][ T747] kernfs_fop_write_iter+0x2cd/0x410 [ 82.382325][ T747] ? cgroup_seqfile_stop+0xc0/0xc0 [ 82.388318][ T747] vfs_write+0xb57/0xe50 [ 82.392718][ T747] ksys_write+0x157/0x260 [ 82.397039][ T747] __x64_sys_write+0x7b/0x90 [ 82.401819][ T747] do_syscall_64+0x34/0x70 [ 82.406479][ T747] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.412755][ T747] RIP: 0033:0x7f2442a680e9 [ 82.417157][ T747] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 82.437365][ T747] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.445863][ T747] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 82.453818][ T747] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 82.461860][ T747] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 82.469926][ T747] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 82.477901][ T747] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 82.487126][ T747] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 82.494500][ T747] !!! cgroup_apply_control_disable [ 82.499950][ T747] !!! cgroup_apply_control_disable kill_css ffff888114e58c00 [ 82.507651][ T747] !!! cgroup_apply_control_disable kill_css ffff888114e5ac00 [ 82.515155][ T747] !!! cgroup_apply_control_disable kill_css ffff888114e59400 [ 82.541960][ C0] !!! css_killed_ref_fn css ffff888114e58c00 !!! [ 82.549215][ T433] !!! css_put is ALREADY zero css or dying ffff888114e58c00 !!! [ 82.557083][ C0] !!! css_killed_ref_fn css ffff888114e5ac00 !!! [ 82.563531][ C0] !!! css_killed_ref_fn css ffff888114e59400 !!! [ 82.569978][ T5] !!! css_put is ALREADY zero css or dying ffff888114e5ac00 !!! [ 82.577811][ T5] !!! css_put is ALREADY zero css or dying ffff888114e59400 !!! [ 82.585800][ T740] !!! css_create !!! [ 82.590059][ T740] !!! css_create !!! [ 82.594090][ T740] !!! css_create !!! [ 82.597987][ T740] FAULT_INJECTION: forcing a failure. [ 82.597987][ T740] name failslab, interval 1, probability 0, space 0, times 0 [ 82.611280][ T740] CPU: 0 PID: 740 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 82.623169][ T740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.633487][ T740] Call Trace: [ 82.636806][ T740] dump_stack+0x19c/0x1e2 [ 82.641124][ T740] should_fail+0x3f7/0x5b0 [ 82.645608][ T740] __should_failslab+0xd2/0x130 [ 82.650559][ T740] should_failslab+0x9/0x20 [ 82.655042][ T740] slab_pre_alloc_hook+0x25/0xe0 [ 82.659961][ T740] kmem_cache_alloc_trace+0x47/0x2b0 [ 82.665334][ T740] ? pids_css_alloc+0x4e/0x120 [ 82.670268][ T740] pids_css_alloc+0x4e/0x120 [ 82.674849][ T740] cgroup_apply_control_enable+0x44e/0xfc0 [ 82.680645][ T740] cgroup_apply_control+0x36/0x710 [ 82.685739][ T740] ? init_wait_entry+0xe0/0xe0 [ 82.690750][ T740] ? cgroup_kn_lock_live+0x1af/0x370 [ 82.696034][ T740] cgroup_subtree_control_write+0xd05/0x12d0 [ 82.702007][ T740] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 82.708163][ T740] cgroup_file_write+0x22f/0x4f0 [ 82.713090][ T740] kernfs_fop_write_iter+0x2cd/0x410 [ 82.718411][ T740] ? cgroup_seqfile_stop+0xc0/0xc0 [ 82.723515][ T740] vfs_write+0xb57/0xe50 [ 82.727835][ T740] ksys_write+0x157/0x260 [ 82.732253][ T740] __x64_sys_write+0x7b/0x90 [ 82.736830][ T740] do_syscall_64+0x34/0x70 [ 82.741331][ T740] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.747202][ T740] RIP: 0033:0x7f69313bd0e9 [ 82.751953][ T740] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 82.771806][ T740] RSP: 002b:00007f6931312168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.780211][ T740] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 82.788168][ T740] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 82.796705][ T740] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 82.804798][ T740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 82.812775][ T740] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 82.820834][ T740] !!! cgroup_apply_control_disable [ 82.826162][ T740] !!! cgroup_apply_control_disable kill_css ffff888114d86400 [ 82.833743][ T740] !!! cgroup_apply_control_disable kill_css ffff888115013800 [ 82.881965][ C0] !!! css_killed_ref_fn css ffff888114d86400 !!! [ 82.888459][ C0] !!! css_killed_ref_fn css ffff888115013800 !!! [ 82.894858][ T5] !!! css_put is ALREADY zero css or dying ffff888114d86400 !!! [ 82.902627][ T5] !!! css_put is ALREADY zero css or dying ffff888115013800 !!! [ 82.910390][ T756] !!! css_create !!! [ 82.914432][ T756] !!! css_create !!! [ 82.918568][ T756] !!! css_create !!! [ 82.922480][ T756] FAULT_INJECTION: forcing a failure. [ 82.922480][ T756] name failslab, interval 1, probability 0, space 0, times 0 [ 82.935423][ T756] CPU: 0 PID: 756 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 82.946944][ T756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.956990][ T756] Call Trace: [ 82.960279][ T756] dump_stack+0x19c/0x1e2 [ 82.964695][ T756] should_fail+0x3f7/0x5b0 [ 82.969090][ T756] __should_failslab+0xd2/0x130 [ 82.974380][ T756] should_failslab+0x9/0x20 [ 82.978964][ T756] slab_pre_alloc_hook+0x25/0xe0 [ 82.984334][ T756] kmem_cache_alloc_trace+0x47/0x2b0 [ 82.989612][ T756] ? pids_css_alloc+0x4e/0x120 [ 82.994371][ T756] pids_css_alloc+0x4e/0x120 [ 83.000335][ T756] cgroup_apply_control_enable+0x44e/0xfc0 [ 83.006216][ T756] cgroup_apply_control+0x36/0x710 [ 83.011305][ T756] ? init_wait_entry+0xe0/0xe0 [ 83.016065][ T756] ? cgroup_kn_lock_live+0x1af/0x370 [ 83.021329][ T756] cgroup_subtree_control_write+0xd05/0x12d0 [ 83.027307][ T756] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 83.033390][ T756] cgroup_file_write+0x22f/0x4f0 [ 83.038412][ T756] kernfs_fop_write_iter+0x2cd/0x410 [ 83.043771][ T756] ? cgroup_seqfile_stop+0xc0/0xc0 [ 83.048954][ T756] vfs_write+0xb57/0xe50 [ 83.053186][ T756] ksys_write+0x157/0x260 [ 83.057498][ T756] __x64_sys_write+0x7b/0x90 [ 83.062092][ T756] do_syscall_64+0x34/0x70 [ 83.066574][ T756] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.072717][ T756] RIP: 0033:0x7f79b35de0e9 [ 83.077122][ T756] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 83.097515][ T756] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.105923][ T756] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 83.113885][ T756] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 83.121948][ T756] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 83.129912][ T756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 83.137866][ T756] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 83.146370][ T756] !!! cgroup_apply_control_disable [ 83.151611][ T756] !!! cgroup_apply_control_disable kill_css ffff888114ff3000 [ 83.159131][ T756] !!! cgroup_apply_control_disable kill_css ffff888114ff3400 [ 83.191987][ C0] !!! css_killed_ref_fn css ffff888114ff3000 !!! [ 83.198536][ C0] !!! css_killed_ref_fn css ffff888114ff3400 !!! [ 83.205224][ T5] !!! css_put is ALREADY zero css or dying ffff888114ff3000 !!! [ 83.212888][ T5] !!! css_put is ALREADY zero css or dying ffff888114ff3400 !!! [ 83.220884][ T766] !!! css_create !!! [ 83.226491][ T766] !!! css_create !!! [ 83.230595][ T766] !!! css_create !!! [ 83.234671][ T766] FAULT_INJECTION: forcing a failure. [ 83.234671][ T766] name failslab, interval 1, probability 0, space 0, times 0 [ 83.247859][ T766] CPU: 0 PID: 766 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 83.259770][ T766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.270524][ T766] Call Trace: [ 83.273804][ T766] dump_stack+0x19c/0x1e2 [ 83.278142][ T766] should_fail+0x3f7/0x5b0 [ 83.282647][ T766] __should_failslab+0xd2/0x130 [ 83.287597][ T766] should_failslab+0x9/0x20 [ 83.292230][ T766] slab_pre_alloc_hook+0x25/0xe0 [ 83.297430][ T766] ? __kernfs_new_node+0x4c/0x6d0 [ 83.302440][ T766] __kmalloc_track_caller+0x70/0x300 [ 83.307740][ T766] ? __kernfs_new_node+0x4c/0x6d0 [ 83.312755][ T766] kstrdup_const+0x55/0x90 [ 83.317168][ T766] __kernfs_new_node+0x4c/0x6d0 [ 83.322022][ T766] ? string+0x29f/0x2b0 [ 83.326169][ T766] ? vsnprintf+0x1a6c/0x1b30 [ 83.330961][ T766] kernfs_new_node+0x97/0x170 [ 83.335632][ T766] __kernfs_create_file+0x4a/0x270 [ 83.340748][ T766] cgroup_addrm_files+0x99e/0xeb0 [ 83.345754][ T766] ? delete_node+0x747/0x7a0 [ 83.350326][ T766] ? node_tag_clear+0x1a0/0x2c0 [ 83.355161][ T766] css_populate_dir+0x137/0x370 [ 83.360008][ T766] cgroup_apply_control_enable+0x31e/0xfc0 [ 83.365837][ T766] cgroup_apply_control+0x36/0x710 [ 83.370934][ T766] ? init_wait_entry+0xe0/0xe0 [ 83.375690][ T766] ? cgroup_kn_lock_live+0x1af/0x370 [ 83.380971][ T766] cgroup_subtree_control_write+0xd05/0x12d0 [ 83.387021][ T766] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 83.393100][ T766] cgroup_file_write+0x22f/0x4f0 [ 83.398026][ T766] kernfs_fop_write_iter+0x2cd/0x410 [ 83.403292][ T766] ? cgroup_seqfile_stop+0xc0/0xc0 [ 83.408391][ T766] vfs_write+0xb57/0xe50 [ 83.412616][ T766] ksys_write+0x157/0x260 [ 83.416929][ T766] __x64_sys_write+0x7b/0x90 [ 83.421502][ T766] do_syscall_64+0x34/0x70 [ 83.425901][ T766] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.431769][ T766] RIP: 0033:0x7f79b35de0e9 [ 83.436163][ T766] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 83.455752][ T766] RSP: 002b:00007f79b3554168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.464195][ T766] RAX: ffffffffffffffda RBX: 00007f79b36f0f60 RCX: 00007f79b35de0e9 [ 83.472149][ T766] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 83.480120][ T766] RBP: 00007f79b35541d0 R08: 0000000000000000 R09: 0000000000000000 [ 83.488336][ T766] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 83.496300][ T766] R13: 00007fff2cde62af R14: 00007f79b3554300 R15: 0000000000022000 [ 83.505049][ T766] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 83.512324][ T766] !!! cgroup_apply_control_disable [ 83.517492][ T766] !!! cgroup_apply_control_disable kill_css ffff888114f5ac00 [ 83.525264][ T766] !!! cgroup_apply_control_disable kill_css ffff888114da2c00 [ 83.532787][ T766] !!! cgroup_apply_control_disable kill_css ffff888114da0c00 [ 83.561959][ C1] !!! css_killed_ref_fn css ffff888114f5ac00 !!! [ 83.568511][ T375] !!! css_put is ALREADY zero css or dying ffff888114f5ac00 !!! [ 83.576201][ C1] !!! css_killed_ref_fn css ffff888114da2c00 !!! [ 83.576512][ C0] !!! css_killed_ref_fn css ffff888114da0c00 !!! [ 83.582743][ T375] !!! css_put is ALREADY zero css or dying ffff888114da2c00 !!! [ 83.596893][ T5] !!! css_put is ALREADY zero css or dying ffff888114da0c00 !!! [ 83.604966][ T764] !!! css_create !!! [ 83.609190][ T764] !!! css_create !!! [ 83.613380][ T764] !!! css_create !!! [ 83.617529][ T764] FAULT_INJECTION: forcing a failure. [ 83.617529][ T764] name failslab, interval 1, probability 0, space 0, times 0 [ 83.630366][ T764] CPU: 0 PID: 764 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 83.641968][ T764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.652546][ T764] Call Trace: [ 83.655901][ T764] dump_stack+0x19c/0x1e2 [ 83.660230][ T764] should_fail+0x3f7/0x5b0 [ 83.664737][ T764] __should_failslab+0xd2/0x130 [ 83.669565][ T764] should_failslab+0x9/0x20 [ 83.674052][ T764] slab_pre_alloc_hook+0x25/0xe0 [ 83.679021][ T764] ? __kernfs_new_node+0x4c/0x6d0 [ 83.684129][ T764] __kmalloc_track_caller+0x70/0x300 [ 83.689402][ T764] ? __kernfs_new_node+0x4c/0x6d0 [ 83.694665][ T764] kstrdup_const+0x55/0x90 [ 83.699064][ T764] __kernfs_new_node+0x4c/0x6d0 [ 83.703987][ T764] ? string+0x29f/0x2b0 [ 83.708149][ T764] ? vsnprintf+0x1a6c/0x1b30 [ 83.712726][ T764] kernfs_new_node+0x97/0x170 [ 83.717382][ T764] __kernfs_create_file+0x4a/0x270 [ 83.722484][ T764] cgroup_addrm_files+0x99e/0xeb0 [ 83.727660][ T764] ? delete_node+0x747/0x7a0 [ 83.732227][ T764] ? node_tag_clear+0x1a0/0x2c0 [ 83.737056][ T764] css_populate_dir+0x137/0x370 [ 83.741886][ T764] cgroup_apply_control_enable+0x31e/0xfc0 [ 83.747670][ T764] cgroup_apply_control+0x36/0x710 [ 83.752972][ T764] ? init_wait_entry+0xe0/0xe0 [ 83.758065][ T764] ? cgroup_kn_lock_live+0x1af/0x370 [ 83.763341][ T764] cgroup_subtree_control_write+0xd05/0x12d0 [ 83.769405][ T764] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 83.775370][ T764] cgroup_file_write+0x22f/0x4f0 [ 83.780509][ T764] kernfs_fop_write_iter+0x2cd/0x410 [ 83.786057][ T764] ? cgroup_seqfile_stop+0xc0/0xc0 [ 83.791154][ T764] vfs_write+0xb57/0xe50 [ 83.795391][ T764] ksys_write+0x157/0x260 [ 83.799705][ T764] __x64_sys_write+0x7b/0x90 [ 83.804274][ T764] do_syscall_64+0x34/0x70 [ 83.808797][ T764] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.814782][ T764] RIP: 0033:0x7f69313bd0e9 [ 83.819297][ T764] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 83.838902][ T764] RSP: 002b:00007f6931312168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.847389][ T764] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 83.855352][ T764] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 83.863897][ T764] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 83.872048][ T764] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 83.880008][ T764] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 83.890705][ T764] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 83.898038][ T764] !!! cgroup_apply_control_disable [ 83.903315][ T764] !!! cgroup_apply_control_disable kill_css ffff888114da1c00 [ 83.910882][ T764] !!! cgroup_apply_control_disable kill_css ffff888111e78c00 [ 83.918554][ T764] !!! cgroup_apply_control_disable kill_css ffff888111e7ac00 [ 83.932939][ C1] !!! css_killed_ref_fn css ffff888114da1c00 !!! [ 83.939428][ T375] !!! css_put is ALREADY zero css or dying ffff888114da1c00 !!! [ 83.961967][ C1] !!! css_killed_ref_fn css ffff888111e78c00 !!! [ 83.968547][ C1] !!! css_killed_ref_fn css ffff888111e7ac00 !!! [ 83.975294][ T375] !!! css_put is ALREADY zero css or dying ffff888111e78c00 !!! [ 83.983289][ T375] !!! css_put is ALREADY zero css or dying ffff888111e7ac00 !!! [ 83.991675][ T750] !!! css_create !!! [ 83.995796][ T750] !!! css_create !!! [ 83.999918][ T750] !!! css_create !!! [ 84.004004][ T750] FAULT_INJECTION: forcing a failure. [ 84.004004][ T750] name failslab, interval 1, probability 0, space 0, times 0 [ 84.016831][ T750] CPU: 0 PID: 750 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 84.028346][ T750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.038380][ T750] Call Trace: [ 84.041701][ T750] dump_stack+0x19c/0x1e2 [ 84.046022][ T750] should_fail+0x3f7/0x5b0 [ 84.050520][ T750] __should_failslab+0xd2/0x130 [ 84.055365][ T750] should_failslab+0x9/0x20 [ 84.059873][ T750] slab_pre_alloc_hook+0x25/0xe0 [ 84.064969][ T750] ? __kernfs_new_node+0x4c/0x6d0 [ 84.070246][ T750] __kmalloc_track_caller+0x70/0x300 [ 84.075593][ T750] ? __kernfs_new_node+0x4c/0x6d0 [ 84.080594][ T750] kstrdup_const+0x55/0x90 [ 84.084989][ T750] __kernfs_new_node+0x4c/0x6d0 [ 84.090006][ T750] ? string+0x29f/0x2b0 [ 84.094147][ T750] ? vsnprintf+0x1a6c/0x1b30 [ 84.098721][ T750] kernfs_new_node+0x97/0x170 [ 84.103384][ T750] __kernfs_create_file+0x4a/0x270 [ 84.108482][ T750] cgroup_addrm_files+0x99e/0xeb0 [ 84.113947][ T750] ? delete_node+0x747/0x7a0 [ 84.118527][ T750] ? node_tag_clear+0x1a0/0x2c0 [ 84.123795][ T750] css_populate_dir+0x137/0x370 [ 84.128635][ T750] cgroup_apply_control_enable+0x31e/0xfc0 [ 84.134421][ T750] cgroup_apply_control+0x36/0x710 [ 84.139509][ T750] ? init_wait_entry+0xe0/0xe0 [ 84.144340][ T750] ? cgroup_kn_lock_live+0x1af/0x370 [ 84.149633][ T750] cgroup_subtree_control_write+0xd05/0x12d0 [ 84.155692][ T750] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 84.161653][ T750] cgroup_file_write+0x22f/0x4f0 [ 84.166570][ T750] kernfs_fop_write_iter+0x2cd/0x410 [ 84.171851][ T750] ? cgroup_seqfile_stop+0xc0/0xc0 [ 84.176947][ T750] vfs_write+0xb57/0xe50 [ 84.181165][ T750] ksys_write+0x157/0x260 [ 84.185502][ T750] __x64_sys_write+0x7b/0x90 [ 84.190072][ T750] do_syscall_64+0x34/0x70 [ 84.194519][ T750] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.200408][ T750] RIP: 0033:0x7fa1a960b0e9 [ 84.204889][ T750] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 84.224823][ T750] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.233212][ T750] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 84.241252][ T750] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 84.249559][ T750] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 84.257699][ T750] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 84.265739][ T750] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 84.274215][ T750] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 84.281815][ T750] !!! cgroup_apply_control_disable [ 84.287158][ T750] !!! cgroup_apply_control_disable kill_css ffff8881150a3800 [ 84.294725][ T750] !!! cgroup_apply_control_disable kill_css ffff8881150a2800 [ 84.302335][ T750] !!! cgroup_apply_control_disable kill_css ffff888115274000 [ 84.331977][ C0] !!! css_killed_ref_fn css ffff8881150a3800 !!! [ 84.338591][ T433] !!! css_put is ALREADY zero css or dying ffff8881150a3800 !!! [ 84.341953][ C1] !!! css_killed_ref_fn css ffff8881150a2800 !!! [ 84.352580][ C1] !!! css_killed_ref_fn css ffff888115274000 !!! [ 84.359050][ T375] !!! css_put is ALREADY zero css or dying ffff8881150a2800 !!! [ 84.366767][ T375] !!! css_put is ALREADY zero css or dying ffff888115274000 !!! [ 84.374438][ T761] !!! css_create !!! [ 84.378448][ T761] !!! css_create !!! [ 84.382545][ T761] !!! css_create !!! [ 84.386476][ T761] FAULT_INJECTION: forcing a failure. [ 84.386476][ T761] name failslab, interval 1, probability 0, space 0, times 0 [ 84.399431][ T761] CPU: 1 PID: 761 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 84.410954][ T761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.420992][ T761] Call Trace: [ 84.424266][ T761] dump_stack+0x19c/0x1e2 [ 84.428580][ T761] should_fail+0x3f7/0x5b0 [ 84.432984][ T761] __should_failslab+0xd2/0x130 [ 84.437835][ T761] should_failslab+0x9/0x20 [ 84.442554][ T761] slab_pre_alloc_hook+0x25/0xe0 [ 84.447559][ T761] kmem_cache_alloc_trace+0x47/0x2b0 [ 84.453049][ T761] ? percpu_ref_init+0xd0/0x330 [ 84.457881][ T761] percpu_ref_init+0xd0/0x330 [ 84.462569][ T761] ? cgroup_setup_root+0x8a0/0x8a0 [ 84.467671][ T761] cgroup_apply_control_enable+0x49f/0xfc0 [ 84.473460][ T761] cgroup_apply_control+0x36/0x710 [ 84.478567][ T761] ? init_wait_entry+0xe0/0xe0 [ 84.483424][ T761] ? cgroup_kn_lock_live+0x1af/0x370 [ 84.488808][ T761] cgroup_subtree_control_write+0xd05/0x12d0 [ 84.494779][ T761] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 84.501213][ T761] cgroup_file_write+0x22f/0x4f0 [ 84.506335][ T761] kernfs_fop_write_iter+0x2cd/0x410 [ 84.511635][ T761] ? cgroup_seqfile_stop+0xc0/0xc0 [ 84.517080][ T761] vfs_write+0xb57/0xe50 [ 84.521357][ T761] ksys_write+0x157/0x260 [ 84.526024][ T761] __x64_sys_write+0x7b/0x90 [ 84.530644][ T761] do_syscall_64+0x34/0x70 [ 84.535052][ T761] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.540942][ T761] RIP: 0033:0x7f2442a680e9 [ 84.545403][ T761] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 84.565903][ T761] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.574323][ T761] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 84.582377][ T761] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 84.590345][ T761] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 84.598304][ T761] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 84.606271][ T761] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 84.614351][ T761] !!! cgroup_apply_control_disable [ 84.619576][ T761] !!! cgroup_apply_control_disable kill_css ffff88810a7c5400 2022/05/31 19:48:45 executed programs: 117 [ 84.627505][ T761] !!! cgroup_apply_control_disable kill_css ffff88811517c400 [ 84.671953][ C0] !!! css_killed_ref_fn css ffff88810a7c5400 !!! [ 84.678577][ C0] !!! css_killed_ref_fn css ffff88811517c400 !!! [ 84.684987][ T5] !!! css_put is ALREADY zero css or dying ffff88810a7c5400 !!! [ 84.692639][ T5] !!! css_put is ALREADY zero css or dying ffff88811517c400 !!! [ 84.700533][ T772] !!! css_create !!! [ 84.704712][ T772] !!! css_create !!! [ 84.708667][ T772] !!! css_create !!! [ 84.712714][ T772] FAULT_INJECTION: forcing a failure. [ 84.712714][ T772] name failslab, interval 1, probability 0, space 0, times 0 [ 84.725815][ T772] CPU: 0 PID: 772 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 84.737702][ T772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.748226][ T772] Call Trace: [ 84.751502][ T772] dump_stack+0x19c/0x1e2 [ 84.755938][ T772] should_fail+0x3f7/0x5b0 [ 84.760337][ T772] __should_failslab+0xd2/0x130 [ 84.765208][ T772] should_failslab+0x9/0x20 [ 84.769717][ T772] slab_pre_alloc_hook+0x25/0xe0 [ 84.774644][ T772] kmem_cache_alloc_trace+0x47/0x2b0 [ 84.779924][ T772] ? percpu_ref_init+0xd0/0x330 [ 84.784786][ T772] percpu_ref_init+0xd0/0x330 [ 84.789445][ T772] ? cgroup_setup_root+0x8a0/0x8a0 [ 84.794553][ T772] cgroup_apply_control_enable+0x49f/0xfc0 [ 84.800427][ T772] cgroup_apply_control+0x36/0x710 [ 84.805550][ T772] ? init_wait_entry+0xe0/0xe0 [ 84.810307][ T772] ? cgroup_kn_lock_live+0x1af/0x370 [ 84.815742][ T772] cgroup_subtree_control_write+0xd05/0x12d0 [ 84.821716][ T772] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 84.827775][ T772] cgroup_file_write+0x22f/0x4f0 [ 84.832791][ T772] kernfs_fop_write_iter+0x2cd/0x410 [ 84.838056][ T772] ? cgroup_seqfile_stop+0xc0/0xc0 [ 84.843159][ T772] vfs_write+0xb57/0xe50 [ 84.847766][ T772] ksys_write+0x157/0x260 [ 84.852161][ T772] __x64_sys_write+0x7b/0x90 [ 84.856735][ T772] do_syscall_64+0x34/0x70 [ 84.861143][ T772] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.867095][ T772] RIP: 0033:0x7f69313bd0e9 [ 84.871488][ T772] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 84.891246][ T772] RSP: 002b:00007f6931312168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.899811][ T772] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 84.907786][ T772] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 84.915936][ T772] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 84.923892][ T772] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 84.932094][ T772] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 84.940486][ T772] !!! cgroup_apply_control_disable [ 84.945701][ T772] !!! cgroup_apply_control_disable kill_css ffff88810a7c5c00 [ 84.953692][ T772] !!! cgroup_apply_control_disable kill_css ffff88810a7c7c00 [ 85.002006][ C1] !!! css_killed_ref_fn css ffff88810a7c5c00 !!! [ 85.008557][ C1] !!! css_killed_ref_fn css ffff88810a7c7c00 !!! [ 85.015125][ T376] !!! css_put is ALREADY zero css or dying ffff88810a7c5c00 !!! [ 85.023559][ T376] !!! css_put is ALREADY zero css or dying ffff88810a7c7c00 !!! [ 85.031391][ T758] !!! css_create !!! [ 85.035543][ T758] !!! css_create !!! [ 85.039511][ T758] !!! css_create !!! [ 85.043516][ T758] FAULT_INJECTION: forcing a failure. [ 85.043516][ T758] name failslab, interval 1, probability 0, space 0, times 0 [ 85.056260][ T758] CPU: 0 PID: 758 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 85.067963][ T758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.078003][ T758] Call Trace: [ 85.081277][ T758] dump_stack+0x19c/0x1e2 [ 85.085856][ T758] should_fail+0x3f7/0x5b0 [ 85.090266][ T758] __should_failslab+0xd2/0x130 [ 85.095270][ T758] should_failslab+0x9/0x20 [ 85.099772][ T758] slab_pre_alloc_hook+0x25/0xe0 [ 85.104778][ T758] ? __kernfs_new_node+0x4c/0x6d0 [ 85.109783][ T758] __kmalloc_track_caller+0x70/0x300 [ 85.115051][ T758] ? __kernfs_new_node+0x4c/0x6d0 [ 85.120286][ T758] kstrdup_const+0x55/0x90 [ 85.124698][ T758] __kernfs_new_node+0x4c/0x6d0 [ 85.129697][ T758] ? string+0x29f/0x2b0 [ 85.134070][ T758] ? vsnprintf+0x1a6c/0x1b30 [ 85.138642][ T758] kernfs_new_node+0x97/0x170 [ 85.143300][ T758] __kernfs_create_file+0x4a/0x270 [ 85.148404][ T758] cgroup_addrm_files+0x99e/0xeb0 [ 85.153409][ T758] ? delete_node+0x747/0x7a0 [ 85.157973][ T758] ? node_tag_clear+0x1a0/0x2c0 [ 85.162802][ T758] css_populate_dir+0x137/0x370 [ 85.167634][ T758] cgroup_apply_control_enable+0x31e/0xfc0 [ 85.173512][ T758] cgroup_apply_control+0x36/0x710 [ 85.178618][ T758] ? init_wait_entry+0xe0/0xe0 [ 85.183360][ T758] ? cgroup_kn_lock_live+0x1af/0x370 [ 85.188639][ T758] cgroup_subtree_control_write+0xd05/0x12d0 [ 85.194594][ T758] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 85.200551][ T758] cgroup_file_write+0x22f/0x4f0 [ 85.205554][ T758] kernfs_fop_write_iter+0x2cd/0x410 [ 85.210904][ T758] ? cgroup_seqfile_stop+0xc0/0xc0 [ 85.216540][ T758] vfs_write+0xb57/0xe50 [ 85.220768][ T758] ksys_write+0x157/0x260 [ 85.225225][ T758] __x64_sys_write+0x7b/0x90 [ 85.229891][ T758] do_syscall_64+0x34/0x70 [ 85.234316][ T758] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.240195][ T758] RIP: 0033:0x7f37291a60e9 [ 85.244701][ T758] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 85.264382][ T758] RSP: 002b:00007f372911c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.272786][ T758] RAX: ffffffffffffffda RBX: 00007f37292b8f60 RCX: 00007f37291a60e9 [ 85.280745][ T758] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 85.288912][ T758] RBP: 00007f372911c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 85.296958][ T758] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 85.304926][ T758] R13: 00007ffcc0be84df R14: 00007f372911c300 R15: 0000000000022000 [ 85.313585][ T758] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 85.320804][ T758] !!! cgroup_apply_control_disable [ 85.326191][ T758] !!! cgroup_apply_control_disable kill_css ffff88810ce4a400 [ 85.333679][ T758] !!! cgroup_apply_control_disable kill_css ffff88810ce48c00 [ 85.341070][ T758] !!! cgroup_apply_control_disable kill_css ffff88810ce48000 [ 85.381957][ C1] !!! css_killed_ref_fn css ffff88810ce4a400 !!! [ 85.388335][ C1] !!! css_killed_ref_fn css ffff88810ce48c00 !!! [ 85.394741][ T376] !!! css_put is ALREADY zero css or dying ffff88810ce4a400 !!! [ 85.402522][ T376] !!! css_put is ALREADY zero css or dying ffff88810ce48c00 !!! [ 85.410613][ C1] !!! css_killed_ref_fn css ffff88810ce48000 !!! [ 85.417107][ T376] !!! css_put is ALREADY zero css or dying ffff88810ce48000 !!! [ 85.425217][ T769] !!! css_create !!! [ 85.429661][ T769] !!! css_create !!! [ 85.433808][ T769] !!! css_create !!! [ 85.437930][ T769] FAULT_INJECTION: forcing a failure. [ 85.437930][ T769] name failslab, interval 1, probability 0, space 0, times 0 [ 85.451432][ T769] CPU: 0 PID: 769 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 85.462976][ T769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.473073][ T769] Call Trace: [ 85.476352][ T769] dump_stack+0x19c/0x1e2 [ 85.480669][ T769] should_fail+0x3f7/0x5b0 [ 85.485066][ T769] __should_failslab+0xd2/0x130 [ 85.489893][ T769] should_failslab+0x9/0x20 [ 85.494718][ T769] slab_pre_alloc_hook+0x25/0xe0 [ 85.499632][ T769] ? __kernfs_new_node+0x4c/0x6d0 [ 85.504639][ T769] __kmalloc_track_caller+0x70/0x300 [ 85.510011][ T769] ? __kernfs_new_node+0x4c/0x6d0 [ 85.515014][ T769] kstrdup_const+0x55/0x90 [ 85.519421][ T769] __kernfs_new_node+0x4c/0x6d0 [ 85.524495][ T769] ? string+0x29f/0x2b0 [ 85.528629][ T769] ? vsnprintf+0x1a6c/0x1b30 [ 85.533280][ T769] kernfs_new_node+0x97/0x170 [ 85.538152][ T769] __kernfs_create_file+0x4a/0x270 [ 85.543379][ T769] cgroup_addrm_files+0x99e/0xeb0 [ 85.548477][ T769] ? delete_node+0x747/0x7a0 [ 85.553170][ T769] ? node_tag_clear+0x1a0/0x2c0 [ 85.558031][ T769] css_populate_dir+0x137/0x370 [ 85.562870][ T769] cgroup_apply_control_enable+0x31e/0xfc0 [ 85.568661][ T769] cgroup_apply_control+0x36/0x710 [ 85.573843][ T769] ? init_wait_entry+0xe0/0xe0 [ 85.578596][ T769] ? cgroup_kn_lock_live+0x1af/0x370 [ 85.583859][ T769] cgroup_subtree_control_write+0xd05/0x12d0 [ 85.589835][ T769] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 85.595909][ T769] cgroup_file_write+0x22f/0x4f0 [ 85.601266][ T769] kernfs_fop_write_iter+0x2cd/0x410 [ 85.606530][ T769] ? cgroup_seqfile_stop+0xc0/0xc0 [ 85.611719][ T769] vfs_write+0xb57/0xe50 [ 85.615945][ T769] ksys_write+0x157/0x260 [ 85.620799][ T769] __x64_sys_write+0x7b/0x90 [ 85.625368][ T769] do_syscall_64+0x34/0x70 [ 85.629944][ T769] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.636138][ T769] RIP: 0033:0x7f79b35de0e9 [ 85.640555][ T769] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 85.660780][ T769] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.669277][ T769] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 85.677635][ T769] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 85.685588][ T769] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 85.693542][ T769] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 85.701677][ T769] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 85.709894][ T769] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 85.717206][ T769] !!! cgroup_apply_control_disable [ 85.722549][ T769] !!! cgroup_apply_control_disable kill_css ffff88811525dc00 [ 85.730076][ T769] !!! cgroup_apply_control_disable kill_css ffff88811525fc00 [ 85.737721][ T769] !!! cgroup_apply_control_disable kill_css ffff88811525f000 [ 85.761950][ C1] !!! css_killed_ref_fn css ffff88811525dc00 !!! [ 85.768487][ T376] !!! css_put is ALREADY zero css or dying ffff88811525dc00 !!! [ 85.776387][ C1] !!! css_killed_ref_fn css ffff88811525fc00 !!! [ 85.782733][ C1] !!! css_killed_ref_fn css ffff88811525f000 !!! [ 85.789103][ T376] !!! css_put is ALREADY zero css or dying ffff88811525fc00 !!! [ 85.796868][ T376] !!! css_put is ALREADY zero css or dying ffff88811525f000 !!! [ 85.804678][ T775] !!! css_create !!! [ 85.808776][ T775] !!! css_create !!! [ 85.812856][ T775] !!! css_create !!! [ 85.817252][ T775] FAULT_INJECTION: forcing a failure. [ 85.817252][ T775] name failslab, interval 1, probability 0, space 0, times 0 [ 85.830340][ T775] CPU: 1 PID: 775 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 85.841953][ T775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.851996][ T775] Call Trace: [ 85.855266][ T775] dump_stack+0x19c/0x1e2 [ 85.859584][ T775] should_fail+0x3f7/0x5b0 [ 85.864066][ T775] __should_failslab+0xd2/0x130 [ 85.868897][ T775] should_failslab+0x9/0x20 [ 85.873378][ T775] slab_pre_alloc_hook+0x25/0xe0 [ 85.878291][ T775] ? __kernfs_new_node+0x4c/0x6d0 [ 85.883305][ T775] __kmalloc_track_caller+0x70/0x300 [ 85.888606][ T775] ? __kernfs_new_node+0x4c/0x6d0 [ 85.893801][ T775] kstrdup_const+0x55/0x90 [ 85.898209][ T775] __kernfs_new_node+0x4c/0x6d0 [ 85.903125][ T775] ? string+0x29f/0x2b0 [ 85.907273][ T775] ? vsnprintf+0x1a6c/0x1b30 [ 85.911854][ T775] kernfs_new_node+0x97/0x170 [ 85.916515][ T775] __kernfs_create_file+0x4a/0x270 [ 85.921738][ T775] cgroup_addrm_files+0x99e/0xeb0 [ 85.926767][ T775] ? delete_node+0x747/0x7a0 [ 85.931347][ T775] ? node_tag_clear+0x1a0/0x2c0 [ 85.936193][ T775] css_populate_dir+0x137/0x370 [ 85.941023][ T775] cgroup_apply_control_enable+0x31e/0xfc0 [ 85.946970][ T775] cgroup_apply_control+0x36/0x710 [ 85.952172][ T775] ? init_wait_entry+0xe0/0xe0 [ 85.957004][ T775] ? cgroup_kn_lock_live+0x1af/0x370 [ 85.962715][ T775] cgroup_subtree_control_write+0xd05/0x12d0 [ 85.968698][ T775] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 85.974677][ T775] cgroup_file_write+0x22f/0x4f0 [ 85.979698][ T775] kernfs_fop_write_iter+0x2cd/0x410 [ 85.984998][ T775] ? cgroup_seqfile_stop+0xc0/0xc0 [ 85.990147][ T775] vfs_write+0xb57/0xe50 [ 85.994393][ T775] ksys_write+0x157/0x260 [ 85.998714][ T775] __x64_sys_write+0x7b/0x90 [ 86.003344][ T775] do_syscall_64+0x34/0x70 [ 86.007765][ T775] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.013646][ T775] RIP: 0033:0x7fa1a960b0e9 [ 86.018134][ T775] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 86.037831][ T775] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.046234][ T775] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 86.054253][ T775] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 86.062479][ T775] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 86.070802][ T775] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 86.078853][ T775] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 86.087081][ T775] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 86.094189][ T775] !!! cgroup_apply_control_disable [ 86.099562][ T775] !!! cgroup_apply_control_disable kill_css ffff888115841400 [ 86.107197][ T775] !!! cgroup_apply_control_disable kill_css ffff88811fa41000 [ 86.114686][ T775] !!! cgroup_apply_control_disable kill_css ffff88811fa40000 [ 86.124111][ T413] ------------[ cut here ]------------ [ 86.129845][ T413] WARNING: CPU: 0 PID: 413 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 86.138801][ T413] Modules linked in: [ 86.142718][ C0] !!! css_killed_ref_fn css ffff888115841400 !!! [ 86.149041][ T413] CPU: 0 PID: 413 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 86.160615][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.170707][ T413] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 86.176376][ T413] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 86.196308][ T413] RSP: 0018:ffffc90000f17d58 EFLAGS: 00010293 [ 86.202492][ T413] RAX: ffffffff81af07bc RBX: ffff888112394ce0 RCX: ffff88810526db80 [ 86.210494][ T413] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 86.218584][ T413] RBP: ffffc90000f17dc8 R08: ffffffff81af04e7 R09: fffff520001e2fa3 [ 86.226586][ T413] R10: fffff520001e2fa3 R11: 1ffff920001e2fa2 R12: dffffc0000000000 [ 86.234680][ T413] R13: ffff888112394c00 R14: 00000000ffffffff R15: 0000000000000000 [ 86.242764][ T413] FS: 0000555555e0e400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 86.251696][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.258316][ T413] CR2: 0000555555e17b38 CR3: 0000000114d06000 CR4: 00000000003506b0 [ 86.266743][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 86.274815][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 86.283751][ T413] Call Trace: [ 86.287156][ T413] ? init_wait_entry+0xe0/0xe0 [ 86.291897][ T413] ? up_write+0x68/0x140 [ 86.296253][ T413] namespace_unlock+0x377/0x420 [ 86.301104][ T413] path_umount+0xe23/0xed0 [ 86.305621][ T413] __x64_sys_umount+0xe8/0x110 [ 86.310379][ T413] do_syscall_64+0x34/0x70 [ 86.314820][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.320886][ T413] RIP: 0033:0x7fa1a960c557 [ 86.325336][ T413] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 86.345405][ T413] RSP: 002b:00007ffe61cbb168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 86.353828][ T413] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa1a960c557 [ 86.361786][ T413] RDX: 00007ffe61cbb23a RSI: 000000000000000a RDI: 00007ffe61cbb230 [ 86.369777][ T413] RBP: 00007ffe61cbb230 R08: 00000000ffffffff R09: 00007ffe61cbb000 [ 86.378029][ T413] R10: 0000555555e0fba3 R11: 0000000000000246 R12: 00007fa1a96641f8 [ 86.386015][ T413] R13: 00007ffe61cbc2f0 R14: 0000555555e0fb00 R15: 00007ffe61cbc330 [ 86.394010][ T413] ---[ end trace fca5e2e0f619f9fb ]--- [ 86.399562][ T5] !!! css_put is ALREADY zero css or dying ffff888115841400 !!! [ 86.400319][ T413] ------------[ cut here ]------------ [ 86.412696][ C1] !!! css_killed_ref_fn css ffff88811fa41000 !!! [ 86.412708][ C1] !!! css_killed_ref_fn css ffff88811fa40000 !!! [ 86.425388][ T413] WARNING: CPU: 1 PID: 413 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 86.434315][ T413] Modules linked in: [ 86.438197][ T413] CPU: 1 PID: 413 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 86.449754][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.460608][ T413] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 86.466445][ T413] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 86.486409][ T413] RSP: 0018:ffffc90000f17dd0 EFLAGS: 00010293 [ 86.492610][ T413] RAX: ffffffff81af07bc RBX: ffff888112394ce0 RCX: ffff88810526db80 [ 86.500686][ T413] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 86.508937][ T413] RBP: ffffc90000f17e40 R08: ffffffff81af04e7 R09: fffff520001e2fb2 [ 86.516927][ T413] R10: fffff520001e2fb2 R11: 1ffff920001e2fb1 R12: dffffc0000000000 [ 86.524910][ T413] R13: ffff888112394c00 R14: 00000000fffffffe R15: 0000000000000000 [ 86.532914][ T413] FS: 0000555555e0e400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 86.541957][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.548535][ T413] CR2: 00007f79b36c1058 CR3: 0000000114d06000 CR4: 00000000003506a0 [ 86.556545][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 86.564901][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 86.573095][ T413] Call Trace: [ 86.576486][ T413] path_umount+0x1ad/0xed0 [ 86.580881][ T413] __x64_sys_umount+0xe8/0x110 [ 86.585744][ T413] do_syscall_64+0x34/0x70 [ 86.590175][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.596094][ T413] RIP: 0033:0x7fa1a960c557 [ 86.600512][ T413] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 86.620133][ T413] RSP: 002b:00007ffe61cbb168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 86.628653][ T413] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa1a960c557 [ 86.636720][ T413] RDX: 00007ffe61cbb23a RSI: 000000000000000a RDI: 00007ffe61cbb230 [ 86.644800][ T413] RBP: 00007ffe61cbb230 R08: 00000000ffffffff R09: 00007ffe61cbb000 [ 86.653130][ T413] R10: 0000555555e0fba3 R11: 0000000000000246 R12: 00007fa1a96641f8 [ 86.661100][ T413] R13: 00007ffe61cbc2f0 R14: 0000555555e0fb00 R15: 00007ffe61cbc330 [ 86.669352][ T413] ---[ end trace fca5e2e0f619f9fc ]--- [ 86.675864][ T375] !!! css_put is ALREADY zero css or dying ffff88811fa41000 !!! [ 86.684054][ T376] !!! css_put is ALREADY zero css or dying ffff88811fa40000 !!! [ 86.691754][ T778] !!! css_create !!! [ 86.696134][ T778] !!! css_create !!! [ 86.700067][ T778] !!! css_create !!! [ 86.704000][ T778] FAULT_INJECTION: forcing a failure. [ 86.704000][ T778] name failslab, interval 1, probability 0, space 0, times 0 [ 86.716680][ T778] CPU: 1 PID: 778 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 86.728274][ T778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.738423][ T778] Call Trace: [ 86.741734][ T778] dump_stack+0x19c/0x1e2 [ 86.746045][ T778] should_fail+0x3f7/0x5b0 [ 86.750611][ T778] __should_failslab+0xd2/0x130 [ 86.755435][ T778] should_failslab+0x9/0x20 [ 86.759933][ T778] slab_pre_alloc_hook+0x25/0xe0 [ 86.764861][ T778] kmem_cache_alloc_trace+0x47/0x2b0 [ 86.770123][ T778] ? percpu_ref_init+0xd0/0x330 [ 86.774969][ T778] percpu_ref_init+0xd0/0x330 [ 86.779642][ T778] ? cgroup_setup_root+0x8a0/0x8a0 [ 86.784726][ T778] cgroup_apply_control_enable+0x49f/0xfc0 [ 86.790743][ T778] cgroup_apply_control+0x36/0x710 [ 86.795851][ T778] ? init_wait_entry+0xe0/0xe0 [ 86.800599][ T778] ? cgroup_kn_lock_live+0x1af/0x370 [ 86.805872][ T778] cgroup_subtree_control_write+0xd05/0x12d0 [ 86.811836][ T778] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 86.817796][ T778] cgroup_file_write+0x22f/0x4f0 [ 86.822817][ T778] kernfs_fop_write_iter+0x2cd/0x410 [ 86.828097][ T778] ? cgroup_seqfile_stop+0xc0/0xc0 [ 86.833187][ T778] vfs_write+0xb57/0xe50 [ 86.838027][ T778] ksys_write+0x157/0x260 [ 86.842341][ T778] __x64_sys_write+0x7b/0x90 [ 86.846913][ T778] do_syscall_64+0x34/0x70 [ 86.851424][ T778] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.857449][ T778] RIP: 0033:0x7f2442a680e9 [ 86.861940][ T778] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 86.881624][ T778] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.890025][ T778] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 86.898086][ T778] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 86.906049][ T778] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 86.914000][ T778] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 86.922213][ T778] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 86.930540][ T778] !!! cgroup_apply_control_disable [ 86.935892][ T778] !!! cgroup_apply_control_disable kill_css ffff88811fa62000 [ 86.943324][ T778] !!! cgroup_apply_control_disable kill_css ffff88811fa60800 [ 86.952189][ T415] ------------[ cut here ]------------ [ 86.957653][ T415] WARNING: CPU: 1 PID: 415 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 86.966680][ T415] Modules linked in: [ 86.970595][ T415] CPU: 1 PID: 415 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 86.982492][ T415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.992763][ T415] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 86.998384][ T415] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 87.018459][ T415] RSP: 0018:ffffc90000f37d58 EFLAGS: 00010293 [ 87.024555][ T415] RAX: ffffffff81af07bc RBX: ffff888112394260 RCX: ffff8881028fcc40 [ 87.032634][ T415] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 87.040703][ T415] RBP: ffffc90000f37dc8 R08: ffffffff81af04e7 R09: fffff520001e6fa3 [ 87.048686][ T415] R10: fffff520001e6fa3 R11: 1ffff920001e6fa2 R12: dffffc0000000000 [ 87.056654][ T415] R13: ffff888112394180 R14: 00000000ffffffff R15: 0000000000000000 [ 87.064815][ T415] FS: 00005555558d3400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 87.073741][ T415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.080302][ T415] CR2: 00007f79b36c1058 CR3: 0000000114b99000 CR4: 00000000003506a0 [ 87.088277][ T415] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.096239][ T415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.104222][ T415] Call Trace: [ 87.107519][ T415] ? init_wait_entry+0xe0/0xe0 [ 87.112298][ T415] ? up_write+0x68/0x140 [ 87.116527][ T415] namespace_unlock+0x377/0x420 [ 87.121374][ T415] path_umount+0xe23/0xed0 [ 87.125851][ T415] __x64_sys_umount+0xe8/0x110 [ 87.130598][ T415] do_syscall_64+0x34/0x70 [ 87.135024][ T415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.140893][ T415] RIP: 0033:0x7f2442a69557 [ 87.145316][ T415] 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 [ 87.165328][ T415] RSP: 002b:00007ffe51e30eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 87.173822][ T415] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2442a69557 [ 87.183386][ T415] RDX: 00007ffe51e30f8a RSI: 000000000000000a RDI: 00007ffe51e30f80 [ 87.191341][ T415] RBP: 00007ffe51e30f80 R08: 00000000ffffffff R09: 00007ffe51e30d50 [ 87.199402][ T415] R10: 00005555558d4ba3 R11: 0000000000000246 R12: 00007f2442ac11f8 [ 87.207642][ T415] R13: 00007ffe51e32040 R14: 00005555558d4b00 R15: 00007ffe51e32080 [ 87.215607][ T415] ---[ end trace fca5e2e0f619f9fd ]--- [ 87.221213][ T415] ------------[ cut here ]------------ [ 87.226714][ T415] WARNING: CPU: 0 PID: 415 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 87.235832][ T415] Modules linked in: [ 87.240084][ T415] CPU: 0 PID: 415 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 87.251772][ T415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.251924][ C1] !!! css_killed_ref_fn css ffff88811fa62000 !!! [ 87.261932][ T415] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 87.261948][ T415] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 87.268266][ C1] !!! css_killed_ref_fn css ffff88811fa60800 !!! [ 87.274008][ T415] RSP: 0018:ffffc90000f37dd0 EFLAGS: 00010293 [ 87.294179][ T19] !!! css_put is ALREADY zero css or dying ffff88811fa62000 !!! [ 87.300348][ T415] [ 87.300360][ T415] RAX: ffffffff81af07bc RBX: ffff888112394260 RCX: ffff8881028fcc40 [ 87.300366][ T415] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 87.300382][ T415] RBP: ffffc90000f37e40 R08: ffffffff81af04e7 R09: fffff520001e6fb2 [ 87.306621][ T19] !!! css_put is ALREADY zero css or dying ffff88811fa60800 !!! [ 87.314270][ T415] R10: fffff520001e6fb2 R11: 1ffff920001e6fb1 R12: dffffc0000000000 [ 87.318895][ T753] !!! css_create !!! [ 87.324824][ T415] R13: ffff888112394180 R14: 00000000fffffffe R15: 0000000000000000 [ 87.324841][ T415] FS: 00005555558d3400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 87.340447][ T753] !!! css_create !!! [ 87.340980][ T415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.358608][ T753] !!! css_create !!! [ 87.360912][ T415] CR2: 00005555558dcb38 CR3: 0000000114b99000 CR4: 00000000003506b0 [ 87.360924][ T415] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.360938][ T415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.379983][ T753] FAULT_INJECTION: forcing a failure. [ 87.379983][ T753] name failslab, interval 1, probability 0, space 0, times 0 [ 87.381955][ T415] Call Trace: [ 87.381971][ T415] path_umount+0x1ad/0xed0 [ 87.381988][ T415] __x64_sys_umount+0xe8/0x110 [ 87.390731][ T753] CPU: 1 PID: 753 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 87.392440][ T415] do_syscall_64+0x34/0x70 [ 87.400372][ T753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.408421][ T415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.416433][ T753] Call Trace: [ 87.416445][ T753] dump_stack+0x19c/0x1e2 [ 87.416462][ T753] should_fail+0x3f7/0x5b0 [ 87.429593][ T415] RIP: 0033:0x7f2442a69557 [ 87.432843][ T753] __should_failslab+0xd2/0x130 [ 87.432858][ T753] should_failslab+0x9/0x20 [ 87.437248][ T415] 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 [ 87.442065][ T753] slab_pre_alloc_hook+0x25/0xe0 [ 87.442074][ T753] kmem_cache_alloc_trace+0x47/0x2b0 [ 87.442091][ T753] ? percpu_ref_init+0xd0/0x330 [ 87.453697][ T415] RSP: 002b:00007ffe51e30eb8 EFLAGS: 00000246 [ 87.458162][ T753] percpu_ref_init+0xd0/0x330 [ 87.468970][ T415] ORIG_RAX: 00000000000000a6 [ 87.474839][ T753] ? cgroup_setup_root+0x8a0/0x8a0 [ 87.474853][ T753] cgroup_apply_control_enable+0x49f/0xfc0 [ 87.474864][ T753] cgroup_apply_control+0x36/0x710 [ 87.474884][ T753] ? init_wait_entry+0xe0/0xe0 [ 87.478253][ T415] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2442a69557 [ 87.482570][ T753] ? cgroup_kn_lock_live+0x1af/0x370 [ 87.482584][ T753] cgroup_subtree_control_write+0xd05/0x12d0 [ 87.482596][ T753] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 87.482618][ T753] cgroup_file_write+0x22f/0x4f0 [ 87.487024][ T415] RDX: 00007ffe51e30f8a RSI: 000000000000000a RDI: 00007ffe51e30f80 [ 87.491425][ T753] kernfs_fop_write_iter+0x2cd/0x410 [ 87.496271][ T415] RBP: 00007ffe51e30f80 R08: 00000000ffffffff R09: 00007ffe51e30d50 [ 87.500993][ T753] ? cgroup_seqfile_stop+0xc0/0xc0 [ 87.520833][ T415] R10: 00005555558d4ba3 R11: 0000000000000246 R12: 00007f2442ac11f8 [ 87.526017][ T753] vfs_write+0xb57/0xe50 [ 87.526031][ T753] ksys_write+0x157/0x260 [ 87.526040][ T753] __x64_sys_write+0x7b/0x90 [ 87.526060][ T753] do_syscall_64+0x34/0x70 [ 87.531854][ T415] R13: 00007ffe51e32040 R14: 00005555558d4b00 R15: 00007ffe51e32080 [ 87.536781][ T753] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.536791][ T753] RIP: 0033:0x7f773a1c40e9 [ 87.536803][ T753] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 87.536820][ T753] RSP: 002b:00007f773a119168 EFLAGS: 00000246 [ 87.542921][ T415] ---[ end trace fca5e2e0f619f9fe ]--- [ 87.547729][ T753] ORIG_RAX: 0000000000000001 [ 87.709544][ T753] RAX: ffffffffffffffda RBX: 00007f773a2d7030 RCX: 00007f773a1c40e9 [ 87.717490][ T753] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 87.725448][ T753] RBP: 00007f773a1191d0 R08: 0000000000000000 R09: 0000000000000000 [ 87.733666][ T753] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 87.741876][ T753] R13: 00007ffd8e5e609f R14: 00007f773a119300 R15: 0000000000022000 [ 87.750278][ T753] !!! cgroup_apply_control_disable [ 87.755734][ T753] !!! cgroup_apply_control_disable kill_css ffff88811fa61000 [ 87.763433][ T753] !!! cgroup_apply_control_disable kill_css ffff88811fa60000 [ 87.824514][ C0] !!! css_killed_ref_fn css ffff88811fa61000 !!! [ 87.831159][ C0] !!! css_killed_ref_fn css ffff88811fa60000 !!! [ 87.838057][ T5] !!! css_put is ALREADY zero css or dying ffff88811fa61000 !!! [ 87.845753][ T5] !!! css_put is ALREADY zero css or dying ffff88811fa60000 !!! [ 87.853879][ T796] !!! css_create !!! [ 87.857834][ T796] !!! css_create !!! [ 87.861756][ T796] !!! css_create !!! [ 87.865841][ T796] FAULT_INJECTION: forcing a failure. [ 87.865841][ T796] name failslab, interval 1, probability 0, space 0, times 0 [ 87.878971][ T796] CPU: 0 PID: 796 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 87.890525][ T796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.900596][ T796] Call Trace: [ 87.903883][ T796] dump_stack+0x19c/0x1e2 [ 87.908201][ T796] should_fail+0x3f7/0x5b0 [ 87.912595][ T796] __should_failslab+0xd2/0x130 [ 87.917429][ T796] should_failslab+0x9/0x20 [ 87.921920][ T796] slab_pre_alloc_hook+0x25/0xe0 [ 87.926938][ T796] kmem_cache_alloc_trace+0x47/0x2b0 [ 87.932217][ T796] ? percpu_ref_init+0xd0/0x330 [ 87.937052][ T796] percpu_ref_init+0xd0/0x330 [ 87.941720][ T796] ? cgroup_setup_root+0x8a0/0x8a0 [ 87.946822][ T796] cgroup_apply_control_enable+0x49f/0xfc0 [ 87.952855][ T796] cgroup_apply_control+0x36/0x710 [ 87.957971][ T796] ? init_wait_entry+0xe0/0xe0 [ 87.962734][ T796] ? cgroup_kn_lock_live+0x1af/0x370 [ 87.968018][ T796] cgroup_subtree_control_write+0xd05/0x12d0 [ 87.974184][ T796] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 87.980407][ T796] cgroup_file_write+0x22f/0x4f0 [ 87.985544][ T796] kernfs_fop_write_iter+0x2cd/0x410 [ 87.990989][ T796] ? cgroup_seqfile_stop+0xc0/0xc0 [ 87.996255][ T796] vfs_write+0xb57/0xe50 [ 88.000481][ T796] ksys_write+0x157/0x260 [ 88.004789][ T796] __x64_sys_write+0x7b/0x90 [ 88.009352][ T796] do_syscall_64+0x34/0x70 [ 88.013747][ T796] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.019614][ T796] RIP: 0033:0x7f79b35de0e9 [ 88.024013][ T796] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 88.044212][ T796] RSP: 002b:00007f79b3533168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.052627][ T796] RAX: ffffffffffffffda RBX: 00007f79b36f1030 RCX: 00007f79b35de0e9 [ 88.060949][ T796] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 88.068914][ T796] RBP: 00007f79b35331d0 R08: 0000000000000000 R09: 0000000000000000 [ 88.077236][ T796] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 88.085296][ T796] R13: 00007fff2cde62af R14: 00007f79b3533300 R15: 0000000000022000 [ 88.094225][ T796] !!! cgroup_apply_control_disable [ 88.099561][ T796] !!! cgroup_apply_control_disable kill_css ffff888114744800 [ 88.107324][ T796] !!! cgroup_apply_control_disable kill_css ffff888114747800 [ 88.142016][ C0] !!! css_killed_ref_fn css ffff888114744800 !!! [ 88.148444][ T5] !!! css_put is ALREADY zero css or dying ffff888114744800 !!! [ 88.156480][ C0] !!! css_killed_ref_fn css ffff888114747800 !!! [ 88.163450][ T5] !!! css_put is ALREADY zero css or dying ffff888114747800 !!! [ 88.171326][ T784] !!! css_create !!! [ 88.175582][ T784] !!! css_create !!! [ 88.179569][ T784] !!! css_create !!! [ 88.183994][ T784] FAULT_INJECTION: forcing a failure. [ 88.183994][ T784] name failslab, interval 1, probability 0, space 0, times 0 [ 88.196733][ T784] CPU: 0 PID: 784 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 88.208265][ T784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.218481][ T784] Call Trace: [ 88.221936][ T784] dump_stack+0x19c/0x1e2 [ 88.226350][ T784] should_fail+0x3f7/0x5b0 [ 88.230758][ T784] __should_failslab+0xd2/0x130 [ 88.235616][ T784] should_failslab+0x9/0x20 [ 88.240357][ T784] slab_pre_alloc_hook+0x25/0xe0 [ 88.245460][ T784] ? __kernfs_new_node+0x4c/0x6d0 [ 88.250489][ T784] __kmalloc_track_caller+0x70/0x300 [ 88.255842][ T784] ? __kernfs_new_node+0x4c/0x6d0 [ 88.261024][ T784] kstrdup_const+0x55/0x90 [ 88.265608][ T784] __kernfs_new_node+0x4c/0x6d0 [ 88.270435][ T784] ? string+0x29f/0x2b0 [ 88.274654][ T784] ? vsnprintf+0x1a6c/0x1b30 [ 88.279237][ T784] kernfs_new_node+0x97/0x170 [ 88.284246][ T784] __kernfs_create_file+0x4a/0x270 [ 88.289345][ T784] cgroup_addrm_files+0x99e/0xeb0 [ 88.294444][ T784] ? delete_node+0x747/0x7a0 [ 88.299015][ T784] ? node_tag_clear+0x1a0/0x2c0 [ 88.303936][ T784] css_populate_dir+0x137/0x370 [ 88.308963][ T784] cgroup_apply_control_enable+0x31e/0xfc0 [ 88.314860][ T784] cgroup_apply_control+0x36/0x710 [ 88.319978][ T784] ? init_wait_entry+0xe0/0xe0 [ 88.324821][ T784] ? cgroup_kn_lock_live+0x1af/0x370 [ 88.330181][ T784] cgroup_subtree_control_write+0xd05/0x12d0 [ 88.336153][ T784] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 88.342207][ T784] cgroup_file_write+0x22f/0x4f0 [ 88.347223][ T784] kernfs_fop_write_iter+0x2cd/0x410 [ 88.352491][ T784] ? cgroup_seqfile_stop+0xc0/0xc0 [ 88.357780][ T784] vfs_write+0xb57/0xe50 [ 88.362015][ T784] ksys_write+0x157/0x260 [ 88.366328][ T784] __x64_sys_write+0x7b/0x90 [ 88.370909][ T784] do_syscall_64+0x34/0x70 [ 88.375301][ T784] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.381266][ T784] RIP: 0033:0x7f37291a60e9 [ 88.385736][ T784] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 88.405778][ T784] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.414178][ T784] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 88.422328][ T784] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 88.430379][ T784] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 88.438518][ T784] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 88.446913][ T784] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 88.454983][ T784] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 88.462182][ T784] !!! cgroup_apply_control_disable [ 88.467452][ T784] !!! cgroup_apply_control_disable kill_css ffff888115f58000 [ 88.475240][ T784] !!! cgroup_apply_control_disable kill_css ffff888115f59c00 [ 88.482933][ T784] !!! cgroup_apply_control_disable kill_css ffff888115f5b400 [ 88.511952][ C1] !!! css_killed_ref_fn css ffff888115f58000 !!! [ 88.518381][ T375] !!! css_put is ALREADY zero css or dying ffff888115f58000 !!! [ 88.526492][ C1] !!! css_killed_ref_fn css ffff888115f59c00 !!! [ 88.532859][ C1] !!! css_killed_ref_fn css ffff888115f5b400 !!! [ 88.539282][ T375] !!! css_put is ALREADY zero css or dying ffff888115f59c00 !!! [ 88.547273][ T375] !!! css_put is ALREADY zero css or dying ffff888115f5b400 !!! [ 88.555207][ T802] !!! css_create !!! [ 88.559239][ T802] !!! css_create !!! [ 88.563318][ T802] !!! css_create !!! [ 88.567350][ T802] FAULT_INJECTION: forcing a failure. [ 88.567350][ T802] name failslab, interval 1, probability 0, space 0, times 0 [ 88.580161][ T802] CPU: 1 PID: 802 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 88.591703][ T802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.601893][ T802] Call Trace: [ 88.605176][ T802] dump_stack+0x19c/0x1e2 [ 88.609495][ T802] should_fail+0x3f7/0x5b0 [ 88.613979][ T802] __should_failslab+0xd2/0x130 [ 88.618803][ T802] should_failslab+0x9/0x20 [ 88.623282][ T802] slab_pre_alloc_hook+0x25/0xe0 [ 88.628204][ T802] ? __kernfs_new_node+0x4c/0x6d0 [ 88.633316][ T802] __kmalloc_track_caller+0x70/0x300 [ 88.638577][ T802] ? __kernfs_new_node+0x4c/0x6d0 [ 88.643579][ T802] kstrdup_const+0x55/0x90 [ 88.648083][ T802] __kernfs_new_node+0x4c/0x6d0 [ 88.652937][ T802] ? string+0x29f/0x2b0 [ 88.657068][ T802] ? vsnprintf+0x1a6c/0x1b30 [ 88.661643][ T802] kernfs_new_node+0x97/0x170 [ 88.666303][ T802] __kernfs_create_file+0x4a/0x270 [ 88.671387][ T802] cgroup_addrm_files+0x99e/0xeb0 [ 88.676395][ T802] ? delete_node+0x747/0x7a0 [ 88.680958][ T802] ? node_tag_clear+0x1a0/0x2c0 [ 88.685789][ T802] css_populate_dir+0x137/0x370 [ 88.690624][ T802] cgroup_apply_control_enable+0x31e/0xfc0 [ 88.696495][ T802] cgroup_apply_control+0x36/0x710 [ 88.701690][ T802] ? init_wait_entry+0xe0/0xe0 [ 88.706535][ T802] ? cgroup_kn_lock_live+0x1af/0x370 [ 88.711908][ T802] cgroup_subtree_control_write+0xd05/0x12d0 [ 88.717873][ T802] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 88.723840][ T802] cgroup_file_write+0x22f/0x4f0 [ 88.728765][ T802] kernfs_fop_write_iter+0x2cd/0x410 [ 88.734043][ T802] ? cgroup_seqfile_stop+0xc0/0xc0 [ 88.739126][ T802] vfs_write+0xb57/0xe50 [ 88.743344][ T802] ksys_write+0x157/0x260 [ 88.747735][ T802] __x64_sys_write+0x7b/0x90 [ 88.752388][ T802] do_syscall_64+0x34/0x70 [ 88.756783][ T802] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.762654][ T802] RIP: 0033:0x7f37291a60e9 [ 88.767133][ T802] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 88.786982][ T802] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.795893][ T802] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 88.803851][ T802] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 88.811898][ T802] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 88.819853][ T802] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 88.827992][ T802] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 88.836993][ T802] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 88.844183][ T802] !!! cgroup_apply_control_disable [ 88.849353][ T802] !!! cgroup_apply_control_disable kill_css ffff888116298400 [ 88.857401][ T802] !!! cgroup_apply_control_disable kill_css ffff888115e43800 [ 88.864980][ T802] !!! cgroup_apply_control_disable kill_css ffff888115e40800 [ 88.892015][ C0] !!! css_killed_ref_fn css ffff888116298400 !!! [ 88.898428][ T5] !!! css_put is ALREADY zero css or dying ffff888116298400 !!! [ 88.906171][ C0] !!! css_killed_ref_fn css ffff888115e40800 !!! [ 88.911980][ C1] !!! css_killed_ref_fn css ffff888115e43800 !!! [ 88.912765][ T5] !!! css_put is ALREADY zero css or dying ffff888115e40800 !!! [ 88.926650][ T19] !!! css_put is ALREADY zero css or dying ffff888115e43800 !!! [ 88.934911][ T794] !!! css_create !!! [ 88.938982][ T794] !!! css_create !!! [ 88.943011][ T794] !!! css_create !!! [ 88.946922][ T794] FAULT_INJECTION: forcing a failure. [ 88.946922][ T794] name failslab, interval 1, probability 0, space 0, times 0 [ 88.959831][ T794] CPU: 1 PID: 794 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 88.971454][ T794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.981502][ T794] Call Trace: [ 88.985001][ T794] dump_stack+0x19c/0x1e2 [ 88.989558][ T794] should_fail+0x3f7/0x5b0 [ 88.993960][ T794] __should_failslab+0xd2/0x130 [ 88.998824][ T794] should_failslab+0x9/0x20 [ 89.003311][ T794] slab_pre_alloc_hook+0x25/0xe0 [ 89.008325][ T794] ? __kernfs_new_node+0x4c/0x6d0 [ 89.013348][ T794] __kmalloc_track_caller+0x70/0x300 [ 89.018638][ T794] ? __kernfs_new_node+0x4c/0x6d0 [ 89.023650][ T794] kstrdup_const+0x55/0x90 [ 89.028223][ T794] __kernfs_new_node+0x4c/0x6d0 [ 89.033242][ T794] ? string+0x29f/0x2b0 [ 89.037481][ T794] ? vsnprintf+0x1a6c/0x1b30 [ 89.042228][ T794] kernfs_new_node+0x97/0x170 [ 89.046997][ T794] __kernfs_create_file+0x4a/0x270 [ 89.052084][ T794] cgroup_addrm_files+0x99e/0xeb0 [ 89.057365][ T794] ? delete_node+0x747/0x7a0 [ 89.061941][ T794] ? node_tag_clear+0x1a0/0x2c0 [ 89.066789][ T794] css_populate_dir+0x137/0x370 [ 89.071789][ T794] cgroup_apply_control_enable+0x31e/0xfc0 [ 89.077572][ T794] cgroup_apply_control+0x36/0x710 [ 89.082658][ T794] ? init_wait_entry+0xe0/0xe0 [ 89.087579][ T794] ? cgroup_kn_lock_live+0x1af/0x370 [ 89.092848][ T794] cgroup_subtree_control_write+0xd05/0x12d0 [ 89.098835][ T794] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 89.104912][ T794] cgroup_file_write+0x22f/0x4f0 [ 89.109843][ T794] kernfs_fop_write_iter+0x2cd/0x410 [ 89.115177][ T794] ? cgroup_seqfile_stop+0xc0/0xc0 [ 89.120303][ T794] vfs_write+0xb57/0xe50 [ 89.124613][ T794] ksys_write+0x157/0x260 [ 89.128921][ T794] __x64_sys_write+0x7b/0x90 [ 89.133586][ T794] do_syscall_64+0x34/0x70 [ 89.137989][ T794] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.143958][ T794] RIP: 0033:0x7f2442a680e9 [ 89.148460][ T794] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 89.168936][ T794] RSP: 002b:00007f24429bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.177330][ T794] RAX: ffffffffffffffda RBX: 00007f2442b7b030 RCX: 00007f2442a680e9 [ 89.185282][ T794] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 89.193247][ T794] RBP: 00007f24429bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 89.201203][ T794] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 89.209165][ T794] R13: 00007ffe51e31d5f R14: 00007f24429bd300 R15: 0000000000022000 [ 89.217280][ T794] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 89.224667][ T794] !!! cgroup_apply_control_disable [ 89.229931][ T794] !!! cgroup_apply_control_disable kill_css ffff88811610d400 [ 89.237630][ T794] !!! cgroup_apply_control_disable kill_css ffff88811610ec00 [ 89.245114][ T794] !!! cgroup_apply_control_disable kill_css ffff88811610cc00 [ 89.271976][ C0] !!! css_killed_ref_fn css ffff88811610d400 !!! [ 89.278423][ T5] !!! css_put is ALREADY zero css or dying ffff88811610d400 !!! [ 89.281973][ C1] !!! css_killed_ref_fn css ffff88811610ec00 !!! [ 89.292482][ C1] !!! css_killed_ref_fn css ffff88811610cc00 !!! [ 89.298970][ T375] !!! css_put is ALREADY zero css or dying ffff88811610ec00 !!! [ 89.306628][ T375] !!! css_put is ALREADY zero css or dying ffff88811610cc00 !!! [ 89.314477][ T793] !!! css_create !!! [ 89.318595][ T793] !!! css_create !!! [ 89.322637][ T793] !!! css_create !!! [ 89.326632][ T793] FAULT_INJECTION: forcing a failure. [ 89.326632][ T793] name failslab, interval 1, probability 0, space 0, times 0 [ 89.339490][ T793] CPU: 1 PID: 793 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 89.351245][ T793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.361809][ T793] Call Trace: [ 89.365105][ T793] dump_stack+0x19c/0x1e2 [ 89.369854][ T793] should_fail+0x3f7/0x5b0 [ 89.374259][ T793] __should_failslab+0xd2/0x130 [ 89.379098][ T793] should_failslab+0x9/0x20 [ 89.383577][ T793] slab_pre_alloc_hook+0x25/0xe0 [ 89.388510][ T793] ? __kernfs_new_node+0x4c/0x6d0 [ 89.393545][ T793] __kmalloc_track_caller+0x70/0x300 [ 89.398900][ T793] ? __kernfs_new_node+0x4c/0x6d0 [ 89.403901][ T793] kstrdup_const+0x55/0x90 [ 89.408298][ T793] __kernfs_new_node+0x4c/0x6d0 [ 89.413227][ T793] ? string+0x29f/0x2b0 [ 89.417439][ T793] ? vsnprintf+0x1a6c/0x1b30 [ 89.422008][ T793] kernfs_new_node+0x97/0x170 [ 89.426850][ T793] __kernfs_create_file+0x4a/0x270 [ 89.432230][ T793] cgroup_addrm_files+0x99e/0xeb0 [ 89.437396][ T793] ? delete_node+0x747/0x7a0 [ 89.441980][ T793] ? node_tag_clear+0x1a0/0x2c0 [ 89.446818][ T793] css_populate_dir+0x137/0x370 [ 89.451927][ T793] cgroup_apply_control_enable+0x31e/0xfc0 [ 89.457852][ T793] cgroup_apply_control+0x36/0x710 [ 89.463193][ T793] ? init_wait_entry+0xe0/0xe0 [ 89.468020][ T793] ? cgroup_kn_lock_live+0x1af/0x370 [ 89.473548][ T793] cgroup_subtree_control_write+0xd05/0x12d0 [ 89.479514][ T793] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 89.485493][ T793] cgroup_file_write+0x22f/0x4f0 [ 89.490421][ T793] kernfs_fop_write_iter+0x2cd/0x410 [ 89.495773][ T793] ? cgroup_seqfile_stop+0xc0/0xc0 [ 89.500866][ T793] vfs_write+0xb57/0xe50 [ 89.505542][ T793] ksys_write+0x157/0x260 [ 89.510019][ T793] __x64_sys_write+0x7b/0x90 [ 89.514590][ T793] do_syscall_64+0x34/0x70 [ 89.518981][ T793] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.524855][ T793] RIP: 0033:0x7fa1a960b0e9 [ 89.529253][ T793] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 89.549448][ T793] RSP: 002b:00007fa1a9560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.558291][ T793] RAX: ffffffffffffffda RBX: 00007fa1a971e030 RCX: 00007fa1a960b0e9 [ 89.566336][ T793] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 89.574292][ T793] RBP: 00007fa1a95601d0 R08: 0000000000000000 R09: 0000000000000000 [ 89.582254][ T793] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 89.590290][ T793] R13: 00007ffe61cbc00f R14: 00007fa1a9560300 R15: 0000000000022000 [ 89.598641][ T793] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 89.605757][ T793] !!! cgroup_apply_control_disable [ 89.611037][ T793] !!! cgroup_apply_control_disable kill_css ffff8881162b3000 [ 89.618787][ T793] !!! cgroup_apply_control_disable kill_css ffff8881162b3400 [ 89.626322][ T793] !!! cgroup_apply_control_disable kill_css ffff8881162b2800 [ 89.636321][ T413] ------------[ cut here ]------------ [ 89.642034][ T413] WARNING: CPU: 0 PID: 413 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 89.651084][ T413] Modules linked in: [ 89.654985][ C0] !!! css_killed_ref_fn css ffff8881162b3000 !!! [ 89.661339][ T413] CPU: 0 PID: 413 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 89.680105][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.690372][ T413] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 89.696016][ T413] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 89.715945][ T413] RSP: 0018:ffffc90000f17dd0 EFLAGS: 00010293 [ 89.722224][ T413] RAX: ffffffff81af07bc RBX: ffff88811320a6e0 RCX: ffff88810526db80 [ 89.730286][ T413] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 89.738290][ T413] RBP: ffffc90000f17e40 R08: ffffffff81af04e7 R09: fffff520001e2fb2 [ 89.746532][ T413] R10: fffff520001e2fb2 R11: 1ffff920001e2fb1 R12: dffffc0000000000 [ 89.754689][ T413] R13: ffff88811320a600 R14: 00000000ffffffff R15: 0000000000000000 [ 89.763063][ T413] FS: 0000555555e0e400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 89.772295][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.778873][ T413] CR2: 0000555555e17b38 CR3: 0000000114d06000 CR4: 00000000003506b0 [ 89.787003][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.795017][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.803129][ T413] Call Trace: [ 89.806511][ T413] path_umount+0x1ad/0xed0 [ 89.810944][ T413] __x64_sys_umount+0xe8/0x110 [ 89.815733][ T413] do_syscall_64+0x34/0x70 [ 89.820163][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.826281][ T413] RIP: 0033:0x7fa1a960c557 [ 89.830826][ T413] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 89.851182][ T413] RSP: 002b:00007ffe61cbb168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 89.859716][ T413] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa1a960c557 [ 89.867805][ T413] RDX: 00007ffe61cbb23a RSI: 000000000000000a RDI: 00007ffe61cbb230 [ 89.876237][ T413] RBP: 00007ffe61cbb230 R08: 00000000ffffffff R09: 00007ffe61cbb000 [ 89.884714][ T413] R10: 0000555555e0fba3 R11: 0000000000000246 R12: 00007fa1a96641f8 [ 89.892728][ T413] R13: 00007ffe61cbc2f0 R14: 0000555555e0fb00 R15: 00007ffe61cbc330 [ 89.900835][ T413] ---[ end trace fca5e2e0f619f9ff ]--- [ 89.906365][ T5] !!! css_put is ALREADY zero css or dying ffff8881162b3000 !!! [ 89.906729][ T413] ------------[ cut here ]------------ [ 89.919710][ T413] WARNING: CPU: 1 PID: 413 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 89.928577][ C1] !!! css_killed_ref_fn css ffff8881162b3400 !!! [ 89.928602][ C1] !!! css_killed_ref_fn css ffff8881162b2800 !!! [ 89.941482][ T19] !!! css_put is ALREADY zero css or dying ffff8881162b3400 !!! [ 89.941559][ T413] Modules linked in: [ 89.949313][ T19] !!! css_put is ALREADY zero css or dying ffff8881162b2800 !!! [ 89.950058][ T413] [ 89.953692][ T781] !!! css_create !!! [ 89.961126][ T413] CPU: 0 PID: 413 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 89.963636][ T781] !!! css_create !!! [ 89.967420][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.979132][ T781] !!! css_create !!! [ 89.982819][ T413] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 89.993055][ T781] FAULT_INJECTION: forcing a failure. [ 89.993055][ T781] name failslab, interval 1, probability 0, space 0, times 0 [ 89.996834][ T413] Code: c6 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e 01 b9 ff 48 8b 7d d0 e8 55 cb 04 00 e9 21 fd ff ff e8 1b 01 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 ea 1f 86 80 e1 07 80 c1 03 38 c1 [ 90.002386][ T781] CPU: 1 PID: 781 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 90.015119][ T413] RSP: 0018:ffffc90000f17e30 EFLAGS: 00010293 [ 90.034870][ T781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.034875][ T781] Call Trace: [ 90.034891][ T781] dump_stack+0x19c/0x1e2 [ 90.034903][ T781] should_fail+0x3f7/0x5b0 [ 90.034922][ T781] __should_failslab+0xd2/0x130 [ 90.046874][ T413] [ 90.053185][ T781] should_failslab+0x9/0x20 [ 90.053203][ T781] slab_pre_alloc_hook+0x25/0xe0 [ 90.063344][ T413] RAX: ffffffff81b01285 RBX: ffffe8ffffd43004 RCX: ffff88810526db80 [ 90.066602][ T781] kmem_cache_alloc_trace+0x47/0x2b0 [ 90.071173][ T413] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 90.075645][ T781] ? percpu_ref_init+0xd0/0x330 [ 90.075662][ T781] percpu_ref_init+0xd0/0x330 [ 90.080569][ T413] RBP: ffffc90000f17e80 R08: ffffffff81b00f63 R09: fffff520001e2fcd [ 90.082876][ T781] ? cgroup_setup_root+0x8a0/0x8a0 [ 90.082895][ T781] cgroup_apply_control_enable+0x49f/0xfc0 [ 90.087385][ T413] R10: fffff520001e2fcd R11: 1ffff920001e2fcc R12: ffff88811320a648 [ 90.092378][ T781] cgroup_apply_control+0x36/0x710 [ 90.092396][ T781] ? init_wait_entry+0xe0/0xe0 [ 90.100338][ T413] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 90.105850][ T781] ? cgroup_kn_lock_live+0x1af/0x370 [ 90.105875][ T781] cgroup_subtree_control_write+0xd05/0x12d0 [ 90.113837][ T413] FS: 0000555555e0e400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 90.118873][ T781] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 90.123551][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.131489][ T781] cgroup_file_write+0x22f/0x4f0 [ 90.137623][ T413] CR2: 0000555555e17b38 CR3: 0000000114d06000 CR4: 00000000003506b0 [ 90.143429][ T781] kernfs_fop_write_iter+0x2cd/0x410 [ 90.143446][ T781] ? cgroup_seqfile_stop+0xc0/0xc0 2022/05/31 19:48:51 executed programs: 129 [ 90.151573][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 90.156694][ T781] vfs_write+0xb57/0xe50 [ 90.156711][ T781] ksys_write+0x157/0x260 [ 90.161558][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 90.169518][ T781] __x64_sys_write+0x7b/0x90 [ 90.169528][ T781] do_syscall_64+0x34/0x70 [ 90.169546][ T781] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.175156][ T413] Call Trace: [ 90.181220][ T781] RIP: 0033:0x7f69313bd0e9 [ 90.190325][ T413] __cleanup_mnt+0x19/0x20 [ 90.196348][ T781] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 90.196362][ T781] RSP: 002b:00007f6931312168 EFLAGS: 00000246 [ 90.202934][ T413] task_work_run+0x147/0x1b0 [ 90.207845][ T781] ORIG_RAX: 0000000000000001 [ 90.215807][ T413] exit_to_user_mode_loop+0xc8/0xe0 [ 90.221048][ T781] RAX: ffffffffffffffda RBX: 00007f69314d0030 RCX: 00007f69313bd0e9 [ 90.226223][ T413] syscall_exit_to_user_mode+0x77/0xa0 [ 90.234335][ T781] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 90.234343][ T781] RBP: 00007f69313121d0 R08: 0000000000000000 R09: 0000000000000000 [ 90.234356][ T781] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 90.238580][ T413] do_syscall_64+0x40/0x70 [ 90.242965][ T781] R13: 00007fff6eb325ef R14: 00007f6931312300 R15: 0000000000022000 [ 90.243944][ T781] !!! cgroup_apply_control_disable [ 90.251323][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.256290][ T781] !!! cgroup_apply_control_disable kill_css ffff888116906000 [ 90.261258][ T413] RIP: 0033:0x7fa1a960c557 [ 90.267235][ T781] !!! cgroup_apply_control_disable kill_css ffff888114551c00 [ 90.270382][ T413] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 90.420665][ T413] RSP: 002b:00007ffe61cbb168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 90.420744][ T412] ------------[ cut here ]------------ [ 90.429606][ T413] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa1a960c557 [ 90.434731][ T412] WARNING: CPU: 0 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 90.434738][ C1] !!! css_killed_ref_fn css ffff888116906000 !!! [ 90.434741][ T412] Modules linked in: [ 90.434757][ T412] CPU: 0 PID: 412 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 90.434763][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.434768][ C1] !!! css_killed_ref_fn css ffff888114551c00 !!! [ 90.434779][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 90.434790][ T412] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 90.434797][ T412] RSP: 0018:ffffc90000f07d58 EFLAGS: 00010293 [ 90.434808][ T412] RAX: ffffffff81af07bc RBX: ffff8881123958e0 RCX: ffff88810526eac0 [ 90.434815][ T412] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 90.434829][ T412] RBP: ffffc90000f07dc8 R08: ffffffff81af04e7 R09: fffff520001e0fa3 [ 90.443397][ T19] !!! css_put is ALREADY zero css or dying ffff888116906000 !!! [ 90.452135][ T412] R10: fffff520001e0fa3 R11: 1ffff920001e0fa2 R12: dffffc0000000000 [ 90.452143][ T412] R13: ffff888112395800 R14: 00000000ffffffff R15: 0000000000000000 [ 90.452159][ T412] FS: 0000555556757400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 90.459191][ T19] !!! css_put is ALREADY zero css or dying ffff888114551c00 !!! [ 90.462353][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.462362][ T412] CR2: 0000555555e17b38 CR3: 000000011a824000 CR4: 00000000003506b0 [ 90.462372][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 90.462378][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 90.462389][ T412] Call Trace: [ 90.474281][ T413] RDX: 00007ffe61cbb23a RSI: 000000000000000a RDI: 00007ffe61cbb230 [ 90.484087][ T412] ? init_wait_entry+0xe0/0xe0 [ 90.484095][ T412] ? up_write+0x68/0x140 [ 90.484113][ T412] namespace_unlock+0x377/0x420 [ 90.490751][ T805] !!! css_create !!! [ 90.496052][ T412] path_umount+0xe23/0xed0 [ 90.496070][ T412] __x64_sys_umount+0xe8/0x110 [ 90.516047][ T413] RBP: 00007ffe61cbb230 R08: 00000000ffffffff R09: 00007ffe61cbb000 [ 90.521822][ T412] do_syscall_64+0x34/0x70 [ 90.521834][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.521849][ T412] RIP: 0033:0x7f69313be557 [ 90.530122][ T413] R10: 0000555555e0fba3 R11: 0000000000000246 R12: 00007fa1a96641f8 [ 90.537809][ T412] 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 [ 90.537815][ T412] RSP: 002b:00007fff6eb31748 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 90.537835][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69313be557 [ 90.546162][ T805] !!! css_create !!! [ 90.553528][ T412] RDX: 00007fff6eb3181a RSI: 000000000000000a RDI: 00007fff6eb31810 [ 90.553536][ T412] RBP: 00007fff6eb31810 R08: 00000000ffffffff R09: 00007fff6eb315e0 [ 90.553544][ T412] R10: 0000555556758ba3 R11: 0000000000000246 R12: 00007f69314161f8 [ 90.553550][ T412] R13: 00007fff6eb328d0 R14: 0000555556758b00 R15: 00007fff6eb32910 [ 90.553563][ T412] ---[ end trace fca5e2e0f619fa00 ]--- [ 90.561993][ T805] !!! css_create !!! [ 90.569573][ T412] ------------[ cut here ]------------ [ 90.578820][ T413] R13: 00007ffe61cbc2f0 R14: 0000555555e0fb00 R15: 00007ffe61cbc330 [ 90.586197][ T412] WARNING: CPU: 0 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 90.586200][ T412] Modules linked in: [ 90.593224][ T805] FAULT_INJECTION: forcing a failure. [ 90.593224][ T805] name failslab, interval 1, probability 0, space 0, times 0 [ 90.601029][ T412] CPU: 0 PID: 412 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 90.601036][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.601051][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 90.601068][ T412] Code: 48 c7 c2 80 e0 c4 85 e8 e2 dd 94 ff e9 da fc ff ff e8 f8 0b ba ff e9 d0 fc ff ff e8 ee 0b ba ff e9 c6 fc ff ff e8 e4 0b ba ff <0f> 0b e9 32 fd ff ff e8 d8 0b ba ff e8 13 6c a7 ff e9 28 fd ff ff [ 90.609405][ T805] CPU: 1 PID: 805 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 90.617044][ T412] RSP: 0018:ffffc90000f07dd0 EFLAGS: 00010293 [ 90.620291][ T805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.628261][ T412] [ 90.632968][ T805] Call Trace: [ 90.632983][ T805] dump_stack+0x19c/0x1e2 [ 90.633001][ T805] should_fail+0x3f7/0x5b0 [ 90.637213][ T412] RAX: ffffffff81af07bc RBX: ffff8881123958e0 RCX: ffff88810526eac0 [ 90.642226][ T805] __should_failslab+0xd2/0x130 [ 90.642236][ T805] should_failslab+0x9/0x20 [ 90.642252][ T805] slab_pre_alloc_hook+0x25/0xe0 [ 90.646115][ T412] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 90.650502][ T805] ? __kernfs_new_node+0x4c/0x6d0 [ 90.655243][ T412] RBP: ffffc90000f07e40 R08: ffffffff81af04e7 R09: fffff520001e0fb2 [ 90.663176][ T805] __kmalloc_track_caller+0x70/0x300 [ 90.663192][ T805] ? __kernfs_new_node+0x4c/0x6d0 [ 90.667577][ T412] R10: fffff520001e0fb2 R11: 1ffff920001e0fb1 R12: dffffc0000000000 [ 90.673447][ T805] kstrdup_const+0x55/0x90 [ 90.673464][ T805] __kernfs_new_node+0x4c/0x6d0 [ 90.677852][ T412] R13: ffff888112395800 R14: 00000000fffffffe R15: 0000000000000000 [ 90.685881][ T805] ? string+0x29f/0x2b0 [ 90.685890][ T805] ? vsnprintf+0x1a6c/0x1b30 [ 90.685907][ T805] kernfs_new_node+0x97/0x170 [ 90.705591][ T412] FS: 0000555556757400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 90.714056][ T805] __kernfs_create_file+0x4a/0x270 [ 90.714075][ T805] cgroup_addrm_files+0x99e/0xeb0 [ 90.722034][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.725894][ T805] ? delete_node+0x747/0x7a0 [ 90.733847][ T412] CR2: 0000555555e17b38 CR3: 000000011a824000 CR4: 00000000003506b0 [ 90.741956][ T805] ? node_tag_clear+0x1a0/0x2c0 [ 90.741976][ T805] css_populate_dir+0x137/0x370 [ 90.750008][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 90.758273][ T805] cgroup_apply_control_enable+0x31e/0xfc0 [ 90.758290][ T805] cgroup_apply_control+0x36/0x710 [ 90.763929][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 90.767893][ T805] ? init_wait_entry+0xe0/0xe0 [ 90.773584][ T412] Call Trace: [ 90.781527][ T805] ? cgroup_kn_lock_live+0x1af/0x370 [ 90.790634][ T412] path_umount+0x1ad/0xed0 [ 90.794485][ T805] cgroup_subtree_control_write+0xd05/0x12d0 [ 90.794502][ T805] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 90.807056][ T412] __x64_sys_umount+0xe8/0x110 [ 90.818636][ T805] cgroup_file_write+0x22f/0x4f0 [ 90.818653][ T805] kernfs_fop_write_iter+0x2cd/0x410 [ 90.828709][ T412] do_syscall_64+0x34/0x70 [ 90.834312][ T805] ? cgroup_seqfile_stop+0xc0/0xc0 [ 90.834329][ T805] vfs_write+0xb57/0xe50 [ 90.854440][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.865931][ T805] ksys_write+0x157/0x260 [ 90.865945][ T805] __x64_sys_write+0x7b/0x90 [ 90.871988][ T412] RIP: 0033:0x7f69313be557 [ 90.882167][ T805] do_syscall_64+0x34/0x70 [ 90.882184][ T805] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.884487][ T412] 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 [ 90.887743][ T805] RIP: 0033:0x7f37291a60e9 [ 90.892219][ T412] RSP: 002b:00007fff6eb31748 EFLAGS: 00000246 [ 90.896603][ T805] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 90.904609][ T412] ORIG_RAX: 00000000000000a6 [ 90.909424][ T805] RSP: 002b:00007f37290fb168 EFLAGS: 00000246 [ 90.913991][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69313be557 [ 90.919160][ T805] ORIG_RAX: 0000000000000001 [ 90.927113][ T412] RDX: 00007fff6eb3181a RSI: 000000000000000a RDI: 00007fff6eb31810 [ 90.932102][ T805] RAX: ffffffffffffffda RBX: 00007f37292b9030 RCX: 00007f37291a60e9 [ 90.932108][ T805] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 90.932121][ T805] RBP: 00007f37290fb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 90.940068][ T412] RBP: 00007fff6eb31810 R08: 00000000ffffffff R09: 00007fff6eb315e0 [ 90.945321][ T805] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 90.945329][ T805] R13: 00007ffcc0be84df R14: 00007f37290fb300 R15: 0000000000022000 [ 90.949141][ T805] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 90.950335][ T412] R10: 0000555556758ba3 R11: 0000000000000246 R12: 00007f69314161f8 [ 90.950342][ T412] R13: 00007fff6eb328d0 R14: 0000555556758b00 R15: 00007fff6eb32910 [ 90.950356][ T412] ---[ end trace fca5e2e0f619fa01 ]--- [ 90.973842][ T805] !!! cgroup_apply_control_disable [ 90.975978][ T413] ---[ end trace fca5e2e0f619fa02 ]--- [ 90.980186][ T805] !!! cgroup_apply_control_disable kill_css ffff88811443dc00 [ 91.330563][ T805] !!! cgroup_apply_control_disable kill_css ffff88811443e400 [ 91.338148][ T805] !!! cgroup_apply_control_disable kill_css ffff8881166a9400 [ 91.358588][ C0] !!! css_killed_ref_fn css ffff88811443dc00 !!! [ 91.365026][ T433] !!! css_put is ALREADY zero css or dying ffff88811443dc00 !!! [ 91.373396][ C1] !!! css_killed_ref_fn css ffff88811443e400 !!! [ 91.380406][ C1] !!! css_killed_ref_fn css ffff8881166a9400 !!! [ 91.386756][ C1] !!! css_release css ffff8881166a9400 !!! [ 91.392700][ C1] list_add corruption. prev->next should be next (ffff8881f715b560), but was ffff8881166a9470. (prev=ffff8881166a9470). [ 91.405485][ C1] ------------[ cut here ]------------ [ 91.410926][ C1] kernel BUG at lib/list_debug.c:28! [ 91.416561][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 91.424092][ C1] CPU: 1 PID: 18 Comm: ksoftirqd/1 Tainted: G W 5.10.119-syzkaller-00165-g07d497086047 #0 [ 91.435371][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.445428][ C1] RIP: 0010:__list_add_valid+0xde/0xf0 [ 91.451410][ C1] Code: f1 31 c0 e8 c7 cc 1b 02 0f 0b 48 c7 c7 90 44 d6 85 e8 b6 f2 19 00 48 c7 c7 c0 02 03 85 4c 89 f6 4c 89 e1 31 c0 e8 a5 cc 1b 02 <0f> 0b 48 c7 c7 a0 44 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 91.471000][ C1] RSP: 0018:ffffc90000137a20 EFLAGS: 00010046 [ 91.477055][ C1] RAX: 0000000000000075 RBX: ffff8881f715b568 RCX: ee5de3fc97053400 [ 91.485147][ C1] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 [ 91.493285][ C1] RBP: ffffc90000137a48 R08: ffffffff815145e8 R09: ffffed103ee24e73 [ 91.501406][ C1] R10: ffffed103ee24e73 R11: 1ffff1103ee24e72 R12: ffff8881166a9470 [ 91.509381][ C1] R13: dffffc0000000000 R14: ffff8881f715b560 R15: ffff8881166a9470 [ 91.517346][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 91.526263][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.532826][ C1] CR2: 00007ffce6917fb0 CR3: 0000000109158000 CR4: 00000000003506a0 [ 91.541049][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.549096][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.557188][ C1] Call Trace: [ 91.560493][ C1] insert_work+0xfc/0x330 [ 91.564926][ C1] __queue_work+0x99e/0xe20 [ 91.569465][ C1] queue_work_on+0xbe/0x110 [ 91.574140][ C1] css_release+0xc0/0xd0 [ 91.578385][ C1] percpu_ref_switch_to_atomic_rcu+0x5be/0x5e0 [ 91.584545][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 91.590613][ C1] rcu_do_batch+0x4ad/0xb00 [ 91.595127][ C1] rcu_core+0x64a/0xdf0 [ 91.599265][ C1] ? sched_clock_cpu+0x1b/0x3e0 [ 91.604100][ C1] rcu_core_si+0x9/0x10 [ 91.608243][ C1] __do_softirq+0x253/0x67b [ 91.612728][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 91.618004][ C1] run_ksoftirqd+0x23/0x30 [ 91.622409][ C1] smpboot_thread_fn+0x4c8/0x8b0 [ 91.627436][ C1] kthread+0x365/0x400 [ 91.631635][ C1] ? cpu_report_death+0x1a0/0x1a0 [ 91.636656][ C1] ? kthread_blkcg+0xd0/0xd0 [ 91.642796][ C1] ret_from_fork+0x1f/0x30 [ 91.647202][ C1] Modules linked in: [ 91.651084][ C1] ---[ end trace fca5e2e0f619fa03 ]--- [ 91.656552][ C1] RIP: 0010:__list_add_valid+0xde/0xf0 [ 91.662026][ C1] Code: f1 31 c0 e8 c7 cc 1b 02 0f 0b 48 c7 c7 90 44 d6 85 e8 b6 f2 19 00 48 c7 c7 c0 02 03 85 4c 89 f6 4c 89 e1 31 c0 e8 a5 cc 1b 02 <0f> 0b 48 c7 c7 a0 44 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 91.681793][ C1] RSP: 0018:ffffc90000137a20 EFLAGS: 00010046 [ 91.687867][ C1] RAX: 0000000000000075 RBX: ffff8881f715b568 RCX: ee5de3fc97053400 [ 91.696023][ C1] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 [ 91.704079][ C1] RBP: ffffc90000137a48 R08: ffffffff815145e8 R09: ffffed103ee24e73 [ 91.712295][ C1] R10: ffffed103ee24e73 R11: 1ffff1103ee24e72 R12: ffff8881166a9470 [ 91.720559][ C1] R13: dffffc0000000000 R14: ffff8881f715b560 R15: ffff8881166a9470 [ 91.728624][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 91.737665][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.744329][ C1] CR2: 00007ffce6917fb0 CR3: 0000000109158000 CR4: 00000000003506a0 [ 91.752390][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.760433][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.768480][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 91.775873][ C1] Kernel Offset: disabled [ 91.780298][ C1] Rebooting in 86400 seconds..