[ 18.428665][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 18.436999][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 18.445368][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 18.460737][ T384] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 19.008882][ T7] device bridge_slave_1 left promiscuous mode [ 19.015194][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 19.023187][ T7] device bridge_slave_0 left promiscuous mode [ 19.029540][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.172099][ T22] kauditd_printk_skb: 65 callbacks suppressed [ 29.172108][ T22] audit: type=1400 audit(1653680134.520:148): avc: denied { read } for pid=141 comm="syslogd" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts. 2022/05/27 19:35:41 parsed 1 programs 2022/05/27 19:35:41 executed programs: 0 [ 35.975177][ T22] audit: type=1400 audit(1653680141.320:149): avc: denied { mounton } for pid=412 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 [ 35.975397][ T412] cgroup: Unknown subsys name 'net' [ 36.004382][ T412] cgroup: Unknown subsys name 'devices' [ 36.011155][ T412] cgroup: Unknown subsys name 'hugetlb' [ 36.016853][ T412] cgroup: Unknown subsys name 'rlimit' [ 36.023033][ T22] audit: type=1400 audit(1653680141.380:150): avc: denied { mounton } for pid=412 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 36.049194][ T22] audit: type=1400 audit(1653680141.380:151): avc: denied { mount } for pid=412 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 36.096165][ T22] audit: type=1400 audit(1653680141.400:152): avc: denied { mounton } for pid=421 comm="syz-executor.1" 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 [ 36.120320][ T22] audit: type=1400 audit(1653680141.400:153): avc: denied { module_request } for pid=421 comm="syz-executor.1" kmod="netdev-nr1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 36.154355][ T421] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.161404][ T421] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.168635][ T421] device bridge_slave_0 entered promiscuous mode [ 36.181149][ T421] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.188177][ T421] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.195500][ T421] device bridge_slave_1 entered promiscuous mode [ 36.264568][ T422] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.271999][ T422] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.279499][ T422] device bridge_slave_0 entered promiscuous mode [ 36.291112][ T422] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.298127][ T422] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.305525][ T422] device bridge_slave_1 entered promiscuous mode [ 36.314389][ T429] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.321593][ T429] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.328873][ T429] device bridge_slave_0 entered promiscuous mode [ 36.343993][ T421] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.351034][ T421] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.358267][ T421] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.365403][ T421] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.375187][ T429] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.382281][ T429] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.389531][ T429] device bridge_slave_1 entered promiscuous mode [ 36.410669][ T425] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.417707][ T425] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.425039][ T425] device bridge_slave_0 entered promiscuous mode [ 36.433699][ T425] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.440846][ T425] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.448224][ T425] device bridge_slave_1 entered promiscuous mode [ 36.454775][ T430] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.461851][ T430] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.469104][ T430] device bridge_slave_0 entered promiscuous mode [ 36.477066][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.484221][ T420] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.491501][ T420] device bridge_slave_0 entered promiscuous mode [ 36.499148][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.506183][ T420] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.513563][ T420] device bridge_slave_1 entered promiscuous mode [ 36.539464][ T430] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.546566][ T430] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.554068][ T430] device bridge_slave_1 entered promiscuous mode [ 36.568801][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.577040][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.585920][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 36.593748][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.640066][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.647962][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.704861][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.711917][ T420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.719613][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.726893][ T420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.747533][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.755875][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.764625][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.772057][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.812575][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.840827][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.849764][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.857103][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.865291][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.873023][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.881392][ T18] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.888491][ T18] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.896172][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.904412][ T18] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.911433][ T18] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.918970][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.927138][ T18] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.934179][ T18] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.941609][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.950141][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.958183][ T18] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.965209][ T18] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.981786][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 36.989932][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.997238][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.005387][ T18] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.012415][ T18] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.020333][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.028408][ T18] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.035575][ T18] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.043311][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.051261][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.079601][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 37.087876][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.096704][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.105483][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.113668][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.121967][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.130171][ T18] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.137264][ T18] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.145038][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.153159][ T18] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.160173][ T18] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.167572][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.175586][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.183453][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.191342][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.199349][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.207157][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.218512][ T22] audit: type=1400 audit(1653680142.570:154): avc: denied { mount } for pid=421 comm="syz-executor.1" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 37.259081][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 37.266742][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.276989][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.285354][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.294316][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.302240][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.310386][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.318116][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.326927][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.335537][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.343938][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.351979][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.360426][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.377789][ T22] audit: type=1400 audit(1653680142.720:155): avc: denied { mounton } for pid=446 comm="syz-executor.1" path="/root/syzkaller-testdir4119929945/syzkaller.8zPbrP/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 37.424925][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.432682][ C0] !!! css_killed_ref_fn css ffff888103ddd000 !!! [ 37.439064][ C0] !!! css_killed_ref_fn css ffff88810bab0400 !!! [ 37.445753][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.453880][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 37.462329][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.470573][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.477585][ T382] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.485027][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 37.493924][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.502115][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.509228][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.516490][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.524870][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.533327][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.541537][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.549857][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.557950][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.567049][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.575755][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.584216][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 37.592543][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.600601][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 37.608785][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.617433][ T388] !!! css_release css ffff888103ddd000 !!! [ 37.623685][ T388] !!! css_put is zero set CSS_NO_REF css ffff888103ddd000 !!! [ 37.631290][ T5] !!! css_release css ffff88810bab0400 !!! [ 37.637094][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810bab0400 !!! [ 37.645006][ T451] FAULT_INJECTION: forcing a failure. [ 37.645006][ T451] name failslab, interval 1, probability 0, space 0, times 1 [ 37.658809][ T451] CPU: 0 PID: 451 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 37.668956][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.679078][ T451] Call Trace: [ 37.682345][ T451] dump_stack+0x19c/0x1e2 [ 37.686829][ T451] should_fail+0x3f7/0x5b0 [ 37.691216][ T451] __should_failslab+0xd2/0x130 [ 37.696364][ T451] should_failslab+0x9/0x20 [ 37.700856][ T451] slab_pre_alloc_hook+0x25/0xe0 [ 37.705768][ T451] kmem_cache_alloc_trace+0x47/0x2b0 [ 37.711111][ T451] ? allocate_cgrp_cset_links+0xb3/0x270 [ 37.716711][ T451] allocate_cgrp_cset_links+0xb3/0x270 [ 37.722146][ T451] find_css_set+0x9ea/0x1500 [ 37.726706][ T451] cgroup_migrate_prepare_dst+0xd1/0x950 [ 37.732326][ T451] cgroup_apply_control+0x567/0x710 [ 37.737581][ T451] cgroup_subtree_control_write+0xd05/0x12d0 [ 37.743530][ T451] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 37.749483][ T451] cgroup_file_write+0x22f/0x4f0 [ 37.754393][ T451] kernfs_fop_write_iter+0x2cd/0x410 [ 37.759650][ T451] ? cgroup_seqfile_stop+0xc0/0xc0 [ 37.764732][ T451] vfs_write+0xb57/0xe50 [ 37.768958][ T451] ksys_write+0x157/0x260 [ 37.773256][ T451] __x64_sys_write+0x7b/0x90 [ 37.777816][ T451] do_syscall_64+0x34/0x70 [ 37.782383][ T451] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.788341][ T451] RIP: 0033:0x7fb73de410e9 [ 37.792900][ T451] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 37.812577][ T451] RSP: 002b:00007fb73dd96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.820960][ T451] RAX: ffffffffffffffda RBX: 00007fb73df54030 RCX: 00007fb73de410e9 [ 37.828910][ T451] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 37.836865][ T451] RBP: 00007fb73dd961d0 R08: 0000000000000000 R09: 0000000000000000 [ 37.844986][ T451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 37.852947][ T451] R13: 00007ffe32dbcc8f R14: 00007fb73dd96300 R15: 0000000000022000 [ 37.862503][ T22] audit: type=1400 audit(1653680143.210:156): 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 [ 37.886363][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 37.886709][ T22] audit: type=1400 audit(1653680143.210:157): 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 [ 37.894265][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 37.916531][ T22] audit: type=1400 audit(1653680143.210:158): 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 [ 37.925774][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.947185][ C0] !!! css_killed_ref_fn css ffff88810c4c7400 !!! [ 37.961612][ C0] !!! css_killed_ref_fn css ffff88810c4c6800 !!! [ 37.968191][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 37.976156][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.986078][ T382] !!! css_release css ffff88810c4c7400 !!! [ 37.992400][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810c4c7400 !!! [ 38.011952][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.020354][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.029380][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.037638][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.046154][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.054575][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.064128][ T453] !!! css_release css ffff88810c4c6800 !!! [ 38.069990][ T453] !!! css_put is zero set CSS_NO_REF css ffff88810c4c6800 !!! [ 38.078044][ T456] FAULT_INJECTION: forcing a failure. [ 38.078044][ T456] name failslab, interval 1, probability 0, space 0, times 0 [ 38.091771][ T456] CPU: 1 PID: 456 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 38.102001][ T456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.112224][ T456] Call Trace: [ 38.115514][ T456] dump_stack+0x19c/0x1e2 [ 38.119825][ T456] should_fail+0x3f7/0x5b0 [ 38.124501][ T456] __should_failslab+0xd2/0x130 [ 38.129324][ T456] ? __kernfs_new_node+0x97/0x6d0 [ 38.134493][ T456] should_failslab+0x9/0x20 [ 38.138984][ T456] slab_pre_alloc_hook+0x25/0xe0 [ 38.143904][ T456] ? __kernfs_new_node+0x97/0x6d0 [ 38.148918][ T456] kmem_cache_alloc+0x40/0x2a0 [ 38.153843][ T456] __kernfs_new_node+0x97/0x6d0 [ 38.158751][ T456] ? string+0x29f/0x2b0 [ 38.163088][ T456] ? vsnprintf+0x1a6c/0x1b30 [ 38.167652][ T456] kernfs_new_node+0x97/0x170 [ 38.172311][ T456] __kernfs_create_file+0x4a/0x270 [ 38.177402][ T456] cgroup_addrm_files+0x99e/0xeb0 [ 38.182404][ T456] ? delete_node+0x747/0x7a0 [ 38.187336][ T456] css_populate_dir+0x137/0x370 [ 38.192165][ T456] cgroup_apply_control_enable+0x5cd/0xf70 [ 38.197953][ T456] cgroup_apply_control+0x36/0x710 [ 38.203039][ T456] ? init_wait_entry+0xe0/0xe0 [ 38.207780][ T456] ? cgroup_kn_lock_live+0x1af/0x370 [ 38.213124][ T456] cgroup_subtree_control_write+0xd05/0x12d0 [ 38.219081][ T456] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 38.225122][ T456] cgroup_file_write+0x22f/0x4f0 [ 38.230029][ T456] kernfs_fop_write_iter+0x2cd/0x410 [ 38.235281][ T456] ? cgroup_seqfile_stop+0xc0/0xc0 [ 38.240361][ T456] vfs_write+0xb57/0xe50 [ 38.244591][ T456] ksys_write+0x157/0x260 [ 38.248891][ T456] __x64_sys_write+0x7b/0x90 [ 38.253453][ T456] do_syscall_64+0x34/0x70 [ 38.257844][ T456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.263705][ T456] RIP: 0033:0x7fb73de410e9 [ 38.268286][ T456] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.287878][ T456] RSP: 002b:00007fb73dd96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.296266][ T456] RAX: ffffffffffffffda RBX: 00007fb73df54030 RCX: 00007fb73de410e9 [ 38.304212][ T456] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 38.312162][ T456] RBP: 00007fb73dd961d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.320106][ T456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.328048][ T456] R13: 00007ffe32dbcc8f R14: 00007fb73dd96300 R15: 0000000000022000 [ 38.343569][ T456] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 38.376865][ C1] !!! css_killed_ref_fn css ffff88811ede0800 !!! [ 38.383251][ C1] !!! css_killed_ref_fn css ffff88811ede1c00 !!! [ 38.389587][ C1] !!! css_killed_ref_fn css ffff88811ede0c00 !!! [ 38.396178][ T18] !!! css_release css ffff88811ede0800 !!! [ 38.402006][ T18] !!! css_put is zero set CSS_NO_REF css ffff88811ede0800 !!! [ 38.409566][ T18] !!! css_release css ffff88811ede1c00 !!! [ 38.415372][ T18] !!! css_put is zero set CSS_NO_REF css ffff88811ede1c00 !!! [ 38.426067][ T18] !!! css_release css ffff88811ede0c00 !!! [ 38.432191][ T18] !!! css_put is zero set CSS_NO_REF css ffff88811ede0c00 !!! [ 38.439904][ T447] FAULT_INJECTION: forcing a failure. [ 38.439904][ T447] name failslab, interval 1, probability 0, space 0, times 0 [ 38.454496][ T447] CPU: 1 PID: 447 Comm: syz-executor.1 Not tainted 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 38.464713][ T447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.474752][ T447] Call Trace: [ 38.478021][ T447] dump_stack+0x19c/0x1e2 [ 38.482327][ T447] should_fail+0x3f7/0x5b0 [ 38.486785][ T447] __should_failslab+0xd2/0x130 [ 38.491707][ T447] ? __kernfs_new_node+0x97/0x6d0 [ 38.496877][ T447] should_failslab+0x9/0x20 [ 38.501356][ T447] slab_pre_alloc_hook+0x25/0xe0 [ 38.506290][ T447] ? __kernfs_new_node+0x97/0x6d0 [ 38.511297][ T447] kmem_cache_alloc+0x40/0x2a0 [ 38.516033][ T447] __kernfs_new_node+0x97/0x6d0 [ 38.520864][ T447] ? string+0x29f/0x2b0 [ 38.525102][ T447] ? vsnprintf+0x1a6c/0x1b30 [ 38.529676][ T447] kernfs_new_node+0x97/0x170 [ 38.534322][ T447] __kernfs_create_file+0x4a/0x270 [ 38.539604][ T447] cgroup_addrm_files+0x99e/0xeb0 [ 38.544636][ T447] ? delete_node+0x747/0x7a0 [ 38.549234][ T447] css_populate_dir+0x137/0x370 [ 38.554256][ T447] cgroup_apply_control_enable+0x5cd/0xf70 [ 38.560129][ T447] cgroup_apply_control+0x36/0x710 [ 38.565401][ T447] ? init_wait_entry+0xe0/0xe0 [ 38.570152][ T447] ? cgroup_kn_lock_live+0x1af/0x370 [ 38.575592][ T447] cgroup_subtree_control_write+0xd05/0x12d0 [ 38.581548][ T447] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 38.587502][ T447] cgroup_file_write+0x22f/0x4f0 [ 38.592411][ T447] kernfs_fop_write_iter+0x2cd/0x410 [ 38.597928][ T447] ? cgroup_seqfile_stop+0xc0/0xc0 [ 38.603024][ T447] vfs_write+0xb57/0xe50 [ 38.607764][ T447] ksys_write+0x157/0x260 [ 38.612075][ T447] __x64_sys_write+0x7b/0x90 [ 38.616743][ T447] do_syscall_64+0x34/0x70 [ 38.621143][ T447] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.627114][ T447] RIP: 0033:0x7fbffc9a20e9 [ 38.631520][ 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 [ 38.651206][ T447] RSP: 002b:00007fbffc918168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.659609][ T447] RAX: ffffffffffffffda RBX: 00007fbffcab4f60 RCX: 00007fbffc9a20e9 [ 38.667910][ T447] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 38.676029][ T447] RBP: 00007fbffc9181d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.684031][ T447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.691976][ T447] R13: 00007ffef0e0b80f R14: 00007fbffc918300 R15: 0000000000022000 [ 38.701829][ T447] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 38.729118][ C1] !!! css_killed_ref_fn css ffff88810cbeac00 !!! [ 38.735769][ T393] !!! css_release css ffff88810cbeac00 !!! [ 38.741831][ T393] !!! css_put is zero set CSS_NO_REF css ffff88810cbeac00 !!! [ 38.749470][ C1] !!! css_killed_ref_fn css ffff88810cbe9400 !!! [ 38.755820][ C1] !!! css_killed_ref_fn css ffff88810cbeb800 !!! [ 38.762441][ T393] !!! css_release css ffff88810cbe9400 !!! [ 38.768934][ T393] !!! css_put is zero set CSS_NO_REF css ffff88810cbe9400 !!! [ 38.776529][ T393] !!! css_release css ffff88810cbeb800 !!! [ 38.782653][ T393] !!! css_put is zero set CSS_NO_REF css ffff88810cbeb800 !!! [ 38.790454][ T473] FAULT_INJECTION: forcing a failure. [ 38.790454][ T473] name failslab, interval 1, probability 0, space 0, times 0 [ 38.803457][ T473] CPU: 0 PID: 473 Comm: syz-executor.2 Not tainted 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 38.813956][ T473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.824096][ T473] Call Trace: [ 38.827388][ T473] dump_stack+0x19c/0x1e2 [ 38.831720][ T473] should_fail+0x3f7/0x5b0 [ 38.836120][ T473] __should_failslab+0xd2/0x130 [ 38.840951][ T473] ? __kernfs_new_node+0x97/0x6d0 [ 38.845946][ T473] should_failslab+0x9/0x20 [ 38.850435][ T473] slab_pre_alloc_hook+0x25/0xe0 [ 38.855345][ T473] ? __kernfs_new_node+0x97/0x6d0 [ 38.860339][ T473] kmem_cache_alloc+0x40/0x2a0 [ 38.865074][ T473] __kernfs_new_node+0x97/0x6d0 [ 38.869899][ T473] ? string+0x29f/0x2b0 [ 38.874024][ T473] ? vsnprintf+0x1a6c/0x1b30 [ 38.878759][ T473] kernfs_new_node+0x97/0x170 [ 38.883426][ T473] __kernfs_create_file+0x4a/0x270 [ 38.888780][ T473] cgroup_addrm_files+0x99e/0xeb0 [ 38.893787][ T473] ? delete_node+0x747/0x7a0 [ 38.898361][ T473] css_populate_dir+0x137/0x370 [ 38.903275][ T473] cgroup_apply_control_enable+0x5cd/0xf70 [ 38.909062][ T473] cgroup_apply_control+0x36/0x710 [ 38.914160][ T473] ? init_wait_entry+0xe0/0xe0 [ 38.918906][ T473] ? cgroup_kn_lock_live+0x1af/0x370 [ 38.924170][ T473] cgroup_subtree_control_write+0xd05/0x12d0 [ 38.930140][ T473] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 38.936089][ T473] cgroup_file_write+0x22f/0x4f0 [ 38.940997][ T473] kernfs_fop_write_iter+0x2cd/0x410 [ 38.946267][ T473] ? cgroup_seqfile_stop+0xc0/0xc0 [ 38.951445][ T473] vfs_write+0xb57/0xe50 [ 38.955680][ T473] ksys_write+0x157/0x260 [ 38.960004][ T473] __x64_sys_write+0x7b/0x90 [ 38.964589][ T473] do_syscall_64+0x34/0x70 [ 38.969218][ T473] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.975088][ T473] RIP: 0033:0x7f27589320e9 [ 38.979484][ T473] 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 [ 38.999501][ T473] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.007891][ T473] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 39.015841][ T473] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.023878][ T473] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.031826][ T473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.039779][ T473] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 39.049721][ T473] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 39.068791][ C1] !!! css_killed_ref_fn css ffff88810ce62400 !!! [ 39.075151][ C1] !!! css_killed_ref_fn css ffff88810ce60400 !!! [ 39.081485][ C1] !!! css_killed_ref_fn css ffff88810cdacc00 !!! [ 39.088131][ T393] !!! css_release css ffff88810ce62400 !!! [ 39.093959][ T393] !!! css_put is zero set CSS_NO_REF css ffff88810ce62400 !!! [ 39.101439][ T18] !!! css_release css ffff88810ce60400 !!! [ 39.107321][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810ce60400 !!! [ 39.115672][ T18] !!! css_release css ffff88810cdacc00 !!! [ 39.121500][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810cdacc00 !!! [ 39.129217][ T471] FAULT_INJECTION: forcing a failure. [ 39.129217][ T471] name failslab, interval 1, probability 0, space 0, times 0 [ 39.141947][ T471] CPU: 1 PID: 471 Comm: syz-executor.5 Not tainted 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 39.152203][ T471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.162238][ T471] Call Trace: [ 39.165594][ T471] dump_stack+0x19c/0x1e2 [ 39.169897][ T471] should_fail+0x3f7/0x5b0 [ 39.174295][ T471] __should_failslab+0xd2/0x130 [ 39.179202][ T471] should_failslab+0x9/0x20 [ 39.183685][ T471] slab_pre_alloc_hook+0x25/0xe0 [ 39.188614][ T471] ? __kernfs_new_node+0x4c/0x6d0 [ 39.193745][ T471] __kmalloc_track_caller+0x70/0x300 [ 39.199021][ T471] ? __kernfs_new_node+0x4c/0x6d0 [ 39.204059][ T471] kstrdup_const+0x55/0x90 [ 39.208639][ T471] __kernfs_new_node+0x4c/0x6d0 [ 39.213472][ T471] ? string+0x29f/0x2b0 [ 39.217692][ T471] ? vsnprintf+0x1a6c/0x1b30 [ 39.222253][ T471] kernfs_new_node+0x97/0x170 [ 39.226905][ T471] __kernfs_create_file+0x4a/0x270 [ 39.232098][ T471] cgroup_addrm_files+0x99e/0xeb0 [ 39.237112][ T471] ? delete_node+0x747/0x7a0 [ 39.241728][ T471] css_populate_dir+0x137/0x370 [ 39.246552][ T471] cgroup_apply_control_enable+0x5cd/0xf70 [ 39.252355][ T471] cgroup_apply_control+0x36/0x710 [ 39.257443][ T471] ? init_wait_entry+0xe0/0xe0 [ 39.262195][ T471] ? cgroup_kn_lock_live+0x1af/0x370 [ 39.267465][ T471] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.273423][ T471] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.279376][ T471] cgroup_file_write+0x22f/0x4f0 [ 39.284375][ T471] kernfs_fop_write_iter+0x2cd/0x410 [ 39.289662][ T471] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.294939][ T471] vfs_write+0xb57/0xe50 [ 39.299158][ T471] ksys_write+0x157/0x260 [ 39.303460][ T471] __x64_sys_write+0x7b/0x90 [ 39.308030][ T471] do_syscall_64+0x34/0x70 [ 39.312420][ T471] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.318283][ T471] RIP: 0033:0x7f9ef7df60e9 [ 39.324204][ T471] 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 [ 39.343983][ T471] RSP: 002b:00007f9ef7d4b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.352558][ T471] RAX: ffffffffffffffda RBX: 00007f9ef7f09030 RCX: 00007f9ef7df60e9 [ 39.360638][ T471] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.368607][ T471] RBP: 00007f9ef7d4b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.376564][ T471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.384512][ T471] R13: 00007ffd87f29d6f R14: 00007f9ef7d4b300 R15: 0000000000022000 [ 39.394335][ T471] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 39.428763][ C1] !!! css_killed_ref_fn css ffff88810d1b1800 !!! [ 39.435127][ C1] !!! css_killed_ref_fn css ffff88810d1b3400 !!! [ 39.441831][ C1] !!! css_killed_ref_fn css ffff88810d1b2800 !!! [ 39.448217][ T18] !!! css_release css ffff88810d1b1800 !!! [ 39.454106][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810d1b1800 !!! [ 39.461579][ T18] !!! css_release css ffff88810d1b3400 !!! [ 39.467551][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810d1b3400 !!! [ 39.475255][ T18] !!! css_release css ffff88810d1b2800 !!! [ 39.481340][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810d1b2800 !!! [ 39.489381][ T481] FAULT_INJECTION: forcing a failure. [ 39.489381][ T481] name failslab, interval 1, probability 0, space 0, times 0 [ 39.502282][ T481] CPU: 0 PID: 481 Comm: syz-executor.2 Not tainted 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 39.512574][ T481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.522601][ T481] Call Trace: [ 39.525863][ T481] dump_stack+0x19c/0x1e2 [ 39.530162][ T481] should_fail+0x3f7/0x5b0 [ 39.534553][ T481] __should_failslab+0xd2/0x130 [ 39.539384][ T481] should_failslab+0x9/0x20 [ 39.543867][ T481] slab_pre_alloc_hook+0x25/0xe0 [ 39.548775][ T481] kmem_cache_alloc_trace+0x47/0x2b0 [ 39.554032][ T481] ? percpu_ref_init+0xd0/0x330 [ 39.558946][ T481] percpu_ref_init+0xd0/0x330 [ 39.563679][ T481] ? cgroup_setup_root+0x8a0/0x8a0 [ 39.568761][ T481] cgroup_apply_control_enable+0x3d2/0xf70 [ 39.574535][ T481] cgroup_apply_control+0x36/0x710 [ 39.579615][ T481] ? init_wait_entry+0xe0/0xe0 [ 39.584350][ T481] ? cgroup_kn_lock_live+0x1af/0x370 [ 39.589752][ T481] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.595701][ T481] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.601656][ T481] cgroup_file_write+0x22f/0x4f0 [ 39.606564][ T481] kernfs_fop_write_iter+0x2cd/0x410 [ 39.611827][ T481] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.616919][ T481] vfs_write+0xb57/0xe50 [ 39.621145][ T481] ksys_write+0x157/0x260 [ 39.625444][ T481] __x64_sys_write+0x7b/0x90 [ 39.630351][ T481] do_syscall_64+0x34/0x70 [ 39.634757][ T481] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.640618][ T481] RIP: 0033:0x7f27589320e9 [ 39.645010][ T481] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.665241][ T481] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.673629][ T481] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 39.681573][ T481] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.690057][ T481] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.698366][ T481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.706321][ T481] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 39.758638][ C0] !!! css_killed_ref_fn css ffff88810d328c00 !!! [ 39.765234][ C0] !!! css_killed_ref_fn css ffff88810d32bc00 !!! [ 39.771634][ T382] !!! css_release css ffff88810d328c00 !!! [ 39.777439][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810d328c00 !!! [ 39.785052][ T382] !!! css_release css ffff88810d32bc00 !!! [ 39.791002][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810d32bc00 !!! [ 39.798795][ T472] FAULT_INJECTION: forcing a failure. [ 39.798795][ T472] name failslab, interval 1, probability 0, space 0, times 0 [ 39.811738][ T472] CPU: 1 PID: 472 Comm: syz-executor.3 Not tainted 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 39.821875][ T472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.831997][ T472] Call Trace: [ 39.835265][ T472] dump_stack+0x19c/0x1e2 [ 39.839570][ T472] should_fail+0x3f7/0x5b0 [ 39.843959][ T472] __should_failslab+0xd2/0x130 [ 39.849229][ T472] should_failslab+0x9/0x20 [ 39.853819][ T472] slab_pre_alloc_hook+0x25/0xe0 [ 39.858753][ T472] ? __kernfs_new_node+0x4c/0x6d0 [ 39.863749][ T472] __kmalloc_track_caller+0x70/0x300 [ 39.869007][ T472] ? __kernfs_new_node+0x4c/0x6d0 [ 39.874005][ T472] kstrdup_const+0x55/0x90 [ 39.878393][ T472] __kernfs_new_node+0x4c/0x6d0 [ 39.883215][ T472] ? string+0x29f/0x2b0 [ 39.887339][ T472] ? vsnprintf+0x1a6c/0x1b30 [ 39.891894][ T472] kernfs_new_node+0x97/0x170 [ 39.896542][ T472] __kernfs_create_file+0x4a/0x270 [ 39.901629][ T472] cgroup_addrm_files+0x99e/0xeb0 [ 39.906702][ T472] ? delete_node+0x747/0x7a0 [ 39.911285][ T472] css_populate_dir+0x137/0x370 [ 39.916120][ T472] cgroup_apply_control_enable+0x5cd/0xf70 [ 39.921921][ T472] cgroup_apply_control+0x36/0x710 [ 39.927077][ T472] ? init_wait_entry+0xe0/0xe0 [ 39.931827][ T472] ? cgroup_kn_lock_live+0x1af/0x370 [ 39.937179][ T472] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.943137][ T472] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.949197][ T472] cgroup_file_write+0x22f/0x4f0 [ 39.954378][ T472] kernfs_fop_write_iter+0x2cd/0x410 [ 39.959739][ T472] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.964857][ T472] vfs_write+0xb57/0xe50 [ 39.969092][ T472] ksys_write+0x157/0x260 [ 39.973399][ T472] __x64_sys_write+0x7b/0x90 [ 39.977963][ T472] do_syscall_64+0x34/0x70 [ 39.982363][ T472] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.988232][ T472] RIP: 0033:0x7f5da5b5e0e9 [ 39.992710][ 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 [ 40.012482][ T472] RSP: 002b:00007f5da5ab3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.020892][ T472] RAX: ffffffffffffffda RBX: 00007f5da5c71030 RCX: 00007f5da5b5e0e9 [ 40.029021][ T472] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.036982][ T472] RBP: 00007f5da5ab31d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.044946][ T472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.052907][ T472] R13: 00007ffcb4475d3f R14: 00007f5da5ab3300 R15: 0000000000022000 [ 40.062610][ T472] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.108626][ C0] !!! css_killed_ref_fn css ffff88810d233000 !!! [ 40.115292][ C0] !!! css_killed_ref_fn css ffff88810d231000 !!! [ 40.121641][ C0] !!! css_killed_ref_fn css ffff88810d230800 !!! [ 40.128099][ T382] !!! css_release css ffff88810d233000 !!! [ 40.133920][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810d233000 !!! [ 40.142059][ T5] !!! css_release css ffff88810d231000 !!! [ 40.147857][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810d231000 !!! [ 40.155828][ T5] !!! css_release css ffff88810d230800 !!! [ 40.161870][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810d230800 !!! [ 40.169891][ T478] FAULT_INJECTION: forcing a failure. [ 40.169891][ T478] name failslab, interval 1, probability 0, space 0, times 0 [ 40.182607][ T478] CPU: 0 PID: 478 Comm: syz-executor.1 Not tainted 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 40.192824][ T478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.202944][ T478] Call Trace: [ 40.206214][ T478] dump_stack+0x19c/0x1e2 [ 40.210531][ T478] should_fail+0x3f7/0x5b0 [ 40.215047][ T478] __should_failslab+0xd2/0x130 [ 40.220081][ T478] should_failslab+0x9/0x20 [ 40.224568][ T478] slab_pre_alloc_hook+0x25/0xe0 [ 40.229506][ T478] kmem_cache_alloc_trace+0x47/0x2b0 [ 40.234777][ T478] ? percpu_ref_init+0xd0/0x330 [ 40.239603][ T478] percpu_ref_init+0xd0/0x330 [ 40.244255][ T478] ? cgroup_setup_root+0x8a0/0x8a0 [ 40.249458][ T478] cgroup_apply_control_enable+0x3d2/0xf70 [ 40.255250][ T478] cgroup_apply_control+0x36/0x710 [ 40.260344][ T478] ? init_wait_entry+0xe0/0xe0 [ 40.265170][ T478] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.270523][ T478] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.276489][ T478] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.282544][ T478] cgroup_file_write+0x22f/0x4f0 [ 40.287463][ T478] kernfs_fop_write_iter+0x2cd/0x410 [ 40.292741][ T478] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.297835][ T478] vfs_write+0xb57/0xe50 [ 40.302060][ T478] ksys_write+0x157/0x260 [ 40.306376][ T478] __x64_sys_write+0x7b/0x90 [ 40.310943][ T478] do_syscall_64+0x34/0x70 [ 40.315335][ T478] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.321205][ T478] RIP: 0033:0x7fbffc9a20e9 [ 40.325603][ T478] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.345559][ T478] RSP: 002b:00007fbffc8f7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.353946][ T478] RAX: ffffffffffffffda RBX: 00007fbffcab5030 RCX: 00007fbffc9a20e9 [ 40.361891][ T478] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.369836][ T478] RBP: 00007fbffc8f71d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.377783][ T478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.385735][ T478] R13: 00007ffef0e0b80f R14: 00007fbffc8f7300 R15: 0000000000022000 [ 40.408634][ C0] !!! css_killed_ref_fn css ffff88810d178000 !!! [ 40.415091][ C0] !!! css_killed_ref_fn css ffff88810d4f4800 !!! [ 40.421483][ T382] !!! css_release css ffff88810d178000 !!! [ 40.427269][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810d178000 !!! [ 40.434846][ T382] !!! css_release css ffff88810d4f4800 !!! [ 40.440852][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810d4f4800 !!! [ 40.448487][ T475] FAULT_INJECTION: forcing a failure. [ 40.448487][ T475] name failslab, interval 1, probability 0, space 0, times 0 [ 40.461223][ T475] CPU: 0 PID: 475 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 40.471370][ T475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.481510][ T475] Call Trace: [ 40.484781][ T475] dump_stack+0x19c/0x1e2 [ 40.489128][ T475] should_fail+0x3f7/0x5b0 [ 40.493777][ T475] __should_failslab+0xd2/0x130 [ 40.498622][ T475] should_failslab+0x9/0x20 [ 40.503118][ T475] slab_pre_alloc_hook+0x25/0xe0 [ 40.508158][ T475] kmem_cache_alloc_trace+0x47/0x2b0 [ 40.513441][ T475] ? percpu_ref_init+0xd0/0x330 [ 40.518368][ T475] percpu_ref_init+0xd0/0x330 [ 40.523028][ T475] ? cgroup_setup_root+0x8a0/0x8a0 [ 40.528134][ T475] cgroup_apply_control_enable+0x3d2/0xf70 [ 40.533935][ T475] cgroup_apply_control+0x36/0x710 [ 40.539043][ T475] ? init_wait_entry+0xe0/0xe0 [ 40.543789][ T475] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.549062][ T475] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.555114][ T475] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.561070][ T475] cgroup_file_write+0x22f/0x4f0 [ 40.566072][ T475] kernfs_fop_write_iter+0x2cd/0x410 [ 40.571594][ T475] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.576677][ T475] vfs_write+0xb57/0xe50 [ 40.580918][ T475] ksys_write+0x157/0x260 [ 40.585228][ T475] __x64_sys_write+0x7b/0x90 [ 40.590065][ T475] do_syscall_64+0x34/0x70 [ 40.594487][ T475] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.600456][ T475] RIP: 0033:0x7fb73de410e9 [ 40.604998][ 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 [ 40.624770][ T475] RSP: 002b:00007fb73dd96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.633161][ T475] RAX: ffffffffffffffda RBX: 00007fb73df54030 RCX: 00007fb73de410e9 [ 40.641106][ T475] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.649056][ T475] RBP: 00007fb73dd961d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.657011][ T475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.664970][ T475] R13: 00007ffe32dbcc8f R14: 00007fb73dd96300 R15: 0000000000022000 [ 40.688626][ C0] !!! css_killed_ref_fn css ffff88810d4f6000 !!! [ 40.694999][ C0] !!! css_killed_ref_fn css ffff88810d4f4400 !!! [ 40.701857][ T382] !!! css_release css ffff88810d4f6000 !!! [ 40.707655][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810d4f6000 !!! [ 40.715329][ T73] !!! css_release css ffff88810d4f4400 !!! [ 40.721211][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810d4f4400 !!! [ 40.729365][ T474] FAULT_INJECTION: forcing a failure. [ 40.729365][ T474] name failslab, interval 1, probability 0, space 0, times 0 [ 40.742213][ T474] CPU: 1 PID: 474 Comm: syz-executor.4 Not tainted 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 40.752346][ T474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.762479][ T474] Call Trace: [ 40.765753][ T474] dump_stack+0x19c/0x1e2 [ 40.770053][ T474] should_fail+0x3f7/0x5b0 [ 40.774527][ T474] __should_failslab+0xd2/0x130 [ 40.779348][ T474] should_failslab+0x9/0x20 [ 40.783821][ T474] slab_pre_alloc_hook+0x25/0xe0 [ 40.788732][ T474] ? __kernfs_new_node+0x4c/0x6d0 [ 40.793725][ T474] __kmalloc_track_caller+0x70/0x300 [ 40.798999][ T474] ? __kernfs_new_node+0x4c/0x6d0 [ 40.804090][ T474] kstrdup_const+0x55/0x90 [ 40.808575][ T474] __kernfs_new_node+0x4c/0x6d0 [ 40.813572][ T474] ? string+0x29f/0x2b0 [ 40.817696][ T474] ? vsnprintf+0x1a6c/0x1b30 [ 40.822357][ T474] kernfs_new_node+0x97/0x170 [ 40.827016][ T474] __kernfs_create_file+0x4a/0x270 [ 40.832096][ T474] cgroup_addrm_files+0x99e/0xeb0 [ 40.837093][ T474] ? delete_node+0x747/0x7a0 [ 40.841750][ T474] css_populate_dir+0x137/0x370 [ 40.846633][ T474] cgroup_apply_control_enable+0x5cd/0xf70 [ 40.852420][ T474] cgroup_apply_control+0x36/0x710 [ 40.857503][ T474] ? init_wait_entry+0xe0/0xe0 [ 40.862505][ T474] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.867852][ T474] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.873894][ T474] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.879853][ T474] cgroup_file_write+0x22f/0x4f0 [ 40.884849][ T474] kernfs_fop_write_iter+0x2cd/0x410 [ 40.890103][ T474] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.895195][ T474] vfs_write+0xb57/0xe50 [ 40.899406][ T474] ksys_write+0x157/0x260 [ 40.903705][ T474] __x64_sys_write+0x7b/0x90 [ 40.908523][ T474] do_syscall_64+0x34/0x70 [ 40.913005][ T474] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.918996][ T474] RIP: 0033:0x7f5152d1a0e9 [ 40.923391][ T474] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.943256][ T474] RSP: 002b:00007f5152c6f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.951733][ T474] RAX: ffffffffffffffda RBX: 00007f5152e2d030 RCX: 00007f5152d1a0e9 [ 40.959676][ T474] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.967984][ T474] RBP: 00007f5152c6f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.975929][ T474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.983905][ T474] R13: 00007ffc1b81870f R14: 00007f5152c6f300 R15: 0000000000022000 [ 40.992842][ T474] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.038683][ C1] !!! css_killed_ref_fn css ffff88810d702c00 !!! [ 41.045088][ C1] !!! css_killed_ref_fn css ffff88810d701400 !!! [ 41.051674][ C1] !!! css_killed_ref_fn css ffff88810d703800 !!! [ 41.058402][ T393] !!! css_release css ffff88810d702c00 !!! [ 41.064400][ T393] !!! css_put is zero set CSS_NO_REF css ffff88810d702c00 !!! [ 41.071965][ T393] !!! css_release css ffff88810d701400 !!! [ 41.077924][ T393] !!! css_put is zero set CSS_NO_REF css ffff88810d701400 !!! [ 41.085712][ T393] !!! css_release css ffff88810d703800 !!! [ 41.091878][ T393] !!! css_put is zero set CSS_NO_REF css ffff88810d703800 !!! [ 41.099528][ T496] FAULT_INJECTION: forcing a failure. [ 41.099528][ T496] name failslab, interval 1, probability 0, space 0, times 0 [ 41.112360][ T496] CPU: 1 PID: 496 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 41.122855][ T496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.133848][ T496] Call Trace: [ 41.137335][ T496] dump_stack+0x19c/0x1e2 [ 41.141909][ T496] should_fail+0x3f7/0x5b0 [ 41.146313][ T496] __should_failslab+0xd2/0x130 [ 41.151319][ T496] should_failslab+0x9/0x20 [ 41.155795][ T496] slab_pre_alloc_hook+0x25/0xe0 [ 41.160717][ T496] ? __kernfs_new_node+0x4c/0x6d0 [ 41.165720][ T496] __kmalloc_track_caller+0x70/0x300 [ 41.170987][ T496] ? __kernfs_new_node+0x4c/0x6d0 [ 41.176007][ T496] kstrdup_const+0x55/0x90 [ 41.180413][ T496] __kernfs_new_node+0x4c/0x6d0 [ 41.185700][ T496] ? string+0x29f/0x2b0 [ 41.189833][ T496] ? vsnprintf+0x1a6c/0x1b30 [ 41.194576][ T496] kernfs_new_node+0x97/0x170 [ 41.199323][ T496] __kernfs_create_file+0x4a/0x270 [ 41.204424][ T496] cgroup_addrm_files+0x99e/0xeb0 [ 41.209428][ T496] ? delete_node+0x747/0x7a0 [ 41.214523][ T496] css_populate_dir+0x137/0x370 [ 41.219476][ T496] cgroup_apply_control_enable+0x5cd/0xf70 [ 41.225359][ T496] cgroup_apply_control+0x36/0x710 [ 41.230595][ T496] ? init_wait_entry+0xe0/0xe0 [ 41.235342][ T496] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.240635][ T496] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.247070][ T496] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.253129][ T496] cgroup_file_write+0x22f/0x4f0 [ 41.258066][ T496] kernfs_fop_write_iter+0x2cd/0x410 [ 41.263526][ T496] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.269046][ T496] vfs_write+0xb57/0xe50 [ 41.273282][ T496] ksys_write+0x157/0x260 [ 41.277592][ T496] __x64_sys_write+0x7b/0x90 [ 41.282168][ T496] do_syscall_64+0x34/0x70 [ 41.286656][ T496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.292751][ T496] RIP: 0033:0x7fb73de410e9 [ 41.297143][ 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 [ 41.316810][ T496] RSP: 002b:00007fb73dd96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.325216][ T496] RAX: ffffffffffffffda RBX: 00007fb73df54030 RCX: 00007fb73de410e9 2022/05/27 19:35:46 executed programs: 17 [ 41.333361][ T496] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.341306][ T496] RBP: 00007fb73dd961d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.349257][ T496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.357219][ T496] R13: 00007ffe32dbcc8f R14: 00007fb73dd96300 R15: 0000000000022000 [ 41.366266][ T496] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.376400][ T429] ------------[ cut here ]------------ [ 41.381917][ T429] WARNING: CPU: 0 PID: 429 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 41.390897][ T429] Modules linked in: [ 41.394782][ T429] CPU: 0 PID: 429 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 41.404919][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.415072][ T429] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 41.420891][ T429] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 41.440851][ T429] RSP: 0018:ffffc90000f57d58 EFLAGS: 00010293 [ 41.446994][ T429] RAX: ffffffff81af00ac RBX: ffff88810c19eb60 RCX: ffff88810925adc0 [ 41.454980][ T429] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 41.462980][ T429] RBP: ffffc90000f57dc8 R08: ffffffff81aefdd7 R09: fffff520001eafa3 [ 41.470974][ T429] R10: fffff520001eafa3 R11: 1ffff920001eafa2 R12: dffffc0000000000 [ 41.479171][ T429] R13: ffff88810c19ea80 R14: 00000000ffffffff R15: 0000000000000000 [ 41.487136][ T429] FS: 0000555556436400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 41.496165][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.503096][ T429] CR2: 000055555643fb38 CR3: 00000001086d1000 CR4: 00000000003506b0 [ 41.511305][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.519318][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.527670][ T429] Call Trace: [ 41.531093][ T429] ? init_wait_entry+0xe0/0xe0 [ 41.536041][ T429] ? up_write+0x68/0x140 [ 41.540302][ T429] namespace_unlock+0x377/0x420 [ 41.545413][ T429] path_umount+0xe23/0xed0 [ 41.550117][ T429] __x64_sys_umount+0xe8/0x110 [ 41.554874][ T429] do_syscall_64+0x34/0x70 [ 41.559293][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.565184][ T429] RIP: 0033:0x7fb73de42557 [ 41.570067][ T429] 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 [ 41.589795][ T429] RSP: 002b:00007ffe32dbbde8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 41.598198][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb73de42557 [ 41.606272][ T429] RDX: 00007ffe32dbbeb9 RSI: 000000000000000a RDI: 00007ffe32dbbeb0 [ 41.614272][ T429] RBP: 00007ffe32dbbeb0 R08: 00000000ffffffff R09: 00007ffe32dbbc80 [ 41.622426][ T429] R10: 0000555556437ba3 R11: 0000000000000246 R12: 00007fb73de9a1f8 [ 41.630505][ T429] R13: 00007ffe32dbcf70 R14: 0000555556437b00 R15: 00007ffe32dbcfb0 [ 41.638466][ T429] ---[ end trace 5f324761e0034450 ]--- [ 41.644216][ T429] ------------[ cut here ]------------ [ 41.649705][ T429] WARNING: CPU: 0 PID: 429 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 41.658675][ C0] !!! css_killed_ref_fn css ffff88810d6b5800 !!! [ 41.658690][ C0] !!! css_killed_ref_fn css ffff88810d6b7400 !!! [ 41.658697][ C0] ------------[ cut here ]------------ [ 41.658708][ C0] percpu ref (css_release) <= 0 (-1) after switching to atomic [ 41.658793][ C0] WARNING: CPU: 0 PID: 429 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 41.658796][ C0] Modules linked in: [ 41.658810][ C0] CPU: 0 PID: 429 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 41.658815][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.658824][ C0] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 41.658832][ C0] Code: 00 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ff e8 13 76 64 ff 49 8b 17 48 c7 c7 c0 df 02 85 48 89 de 31 c0 e8 ef c8 01 ff <0f> 0b e9 2d fd ff ff e8 d3 ea 2c ff 0f 0b e9 87 fe ff ff 48 c7 c1 [ 41.658837][ C0] RSP: 0018:ffffc90000007d50 EFLAGS: 00010246 [ 41.658845][ C0] RAX: 7881b95639ca7900 RBX: ffffffff816104d0 RCX: ffff88810925adc0 [ 41.658850][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 41.658856][ C0] RBP: ffffc90000007d98 R08: ffffffff81514568 R09: fffff52000000f77 [ 41.658861][ C0] R10: fffff52000000f77 R11: 1ffff92000000f76 R12: ffff88810d5362a0 [ 41.658867][ C0] R13: 0000000000000008 R14: 1ffff11021aa6c50 R15: ffff88810d536280 [ 41.658874][ C0] FS: 0000555556436400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 41.658879][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.658885][ C0] CR2: 000055555643fb38 CR3: 00000001086d1000 CR4: 00000000003506b0 [ 41.658898][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.658908][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.658915][ C0] Call Trace: [ 41.658923][ C0] [ 41.658935][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 41.658947][ C0] rcu_do_batch+0x4ad/0xb00 [ 41.658958][ C0] rcu_core+0x64a/0xdf0 [ 41.658970][ C0] rcu_core_si+0x9/0x10 [ 41.658982][ C0] __do_softirq+0x253/0x67b [ 41.658993][ C0] asm_call_irq_on_stack+0xf/0x20 [ 41.659001][ C0] [ 41.659013][ C0] do_softirq_own_stack+0x60/0x80 [ 41.659021][ C0] __irq_exit_rcu+0x152/0x1e0 [ 41.659028][ C0] irq_exit_rcu+0x9/0x10 [ 41.659035][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 41.659043][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 41.659052][ C0] RIP: 0010:console_unlock+0xae5/0xe80 [ 41.659059][ C0] Code: 00 48 c7 c7 e0 e9 45 86 e8 58 90 0d 03 f6 c3 01 0f 85 64 03 00 00 e8 ba 64 00 00 48 8b 44 24 18 48 89 44 24 70 ff 74 24 70 9d <48> 8b 44 24 08 42 80 3c 28 00 74 0d 48 8d bc 24 f0 00 00 00 e8 12 [ 41.659065][ C0] RSP: 0018:ffffc90000f57990 EFLAGS: 00000246 [ 41.659073][ C0] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff88810925adc0 [ 41.659079][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 41.659085][ C0] RBP: ffffc90000f57ad8 R08: ffffffff815140e1 R09: fffff520001eaf2a [ 41.659091][ C0] R10: fffff520001eaf2a R11: 1ffff920001eaf29 R12: 1ffffffff0bbe6dd [ 41.659096][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff85df36b0 [ 41.659106][ C0] ? console_unlock+0xab1/0xe80 [ 41.659119][ C0] ? __kasan_check_write+0x14/0x20 [ 41.659129][ C0] ? _raw_spin_lock_irqsave+0xa2/0x220 [ 41.659138][ C0] ? console_trylock+0xff/0x130 [ 41.659147][ C0] vprintk_emit+0x149/0x340 [ 41.659156][ C0] vprintk_default+0x26/0x30 [ 41.659164][ C0] vprintk_func+0x19d/0x1e0 [ 41.659176][ C0] printk+0x76/0x96 [ 41.659188][ C0] ? mntput_no_expire+0x3fc/0x600 [ 41.659198][ C0] ? printk+0x76/0x96 [ 41.659209][ C0] __warn+0xe6/0x270 [ 41.659226][ C0] ? mntput_no_expire+0x3fc/0x600 [ 41.659238][ C0] report_bug+0x41b/0x580 [ 41.659248][ C0] ? mntput_no_expire+0x3fc/0x600 [ 41.659259][ C0] handle_bug+0x41/0x70 [ 41.659270][ C0] exc_invalid_op+0x1b/0x50 [ 41.659282][ C0] asm_exc_invalid_op+0x12/0x20 [ 41.659290][ C0] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 41.659296][ C0] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 41.659301][ C0] RSP: 0018:ffffc90000f57dd0 EFLAGS: 00010293 [ 41.659309][ C0] RAX: ffffffff81af00ac RBX: ffff88810c19eb60 RCX: ffff88810925adc0 [ 41.659313][ C0] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 41.659318][ C0] RBP: ffffc90000f57e40 R08: ffffffff81aefdd7 R09: fffff520001eafb2 [ 41.659322][ C0] R10: fffff520001eafb2 R11: 1ffff920001eafb1 R12: dffffc0000000000 [ 41.659327][ C0] R13: ffff88810c19ea80 R14: 00000000fffffffe R15: 0000000000000000 [ 41.659334][ C0] ? mntput_no_expire+0x127/0x600 [ 41.659341][ C0] ? mntput_no_expire+0x3fc/0x600 [ 41.659350][ C0] path_umount+0x1ad/0xed0 [ 41.659360][ C0] __x64_sys_umount+0xe8/0x110 [ 41.659368][ C0] do_syscall_64+0x34/0x70 [ 41.659378][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.659384][ C0] RIP: 0033:0x7fb73de42557 [ 41.659393][ C0] 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 [ 41.659398][ C0] RSP: 002b:00007ffe32dbbde8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 41.659408][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb73de42557 [ 41.659413][ C0] RDX: 00007ffe32dbbeb9 RSI: 000000000000000a RDI: 00007ffe32dbbeb0 [ 41.659419][ C0] RBP: 00007ffe32dbbeb0 R08: 00000000ffffffff R09: 00007ffe32dbbc80 [ 41.659425][ C0] R10: 0000555556437ba3 R11: 0000000000000246 R12: 00007fb73de9a1f8 [ 41.659431][ C0] R13: 00007ffe32dbcf70 R14: 0000555556437b00 R15: 00007ffe32dbcfb0 [ 41.659437][ C0] ---[ end trace 5f324761e0034451 ]--- [ 41.659442][ C0] !!! css_killed_ref_fn css ffff88810d6b6800 !!! [ 42.232803][ T429] Modules linked in: [ 42.236683][ T429] CPU: 0 PID: 429 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 42.248209][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.258277][ T429] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 42.263909][ T429] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 42.283605][ T429] RSP: 0018:ffffc90000f57dd0 EFLAGS: 00010293 [ 42.289668][ T429] RAX: ffffffff81af00ac RBX: ffff88810c19eb60 RCX: ffff88810925adc0 [ 42.297707][ T429] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 42.305685][ T429] RBP: ffffc90000f57e40 R08: ffffffff81aefdd7 R09: fffff520001eafb2 [ 42.313778][ T429] R10: fffff520001eafb2 R11: 1ffff920001eafb1 R12: dffffc0000000000 [ 42.321745][ T429] R13: ffff88810c19ea80 R14: 00000000fffffffe R15: 0000000000000000 [ 42.329713][ T429] FS: 0000555556436400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 42.338996][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.345562][ T429] CR2: 000055555643fb38 CR3: 00000001086d1000 CR4: 00000000003506b0 [ 42.353529][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.361628][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.369612][ T429] Call Trace: [ 42.372894][ T429] path_umount+0x1ad/0xed0 [ 42.377300][ T429] __x64_sys_umount+0xe8/0x110 [ 42.382100][ T429] do_syscall_64+0x34/0x70 [ 42.387725][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.395775][ T429] RIP: 0033:0x7fb73de42557 [ 42.400312][ T429] 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 [ 42.420141][ T429] RSP: 002b:00007ffe32dbbde8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 42.428541][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb73de42557 [ 42.436531][ T429] RDX: 00007ffe32dbbeb9 RSI: 000000000000000a RDI: 00007ffe32dbbeb0 [ 42.444518][ T429] RBP: 00007ffe32dbbeb0 R08: 00000000ffffffff R09: 00007ffe32dbbc80 [ 42.452591][ T429] R10: 0000555556437ba3 R11: 0000000000000246 R12: 00007fb73de9a1f8 [ 42.460581][ T429] R13: 00007ffe32dbcf70 R14: 0000555556437b00 R15: 00007ffe32dbcfb0 [ 42.468649][ T429] ---[ end trace 5f324761e0034452 ]--- [ 42.474333][ T73] !!! css_release css ffff88810d6b5800 !!! [ 42.481270][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810d6b5800 !!! [ 42.489248][ T382] !!! css_release css ffff88810d6b7400 !!! [ 42.495056][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810d6b7400 !!! [ 42.503289][ T487] FAULT_INJECTION: forcing a failure. [ 42.503289][ T487] name failslab, interval 1, probability 0, space 0, times 0 [ 42.516098][ T487] CPU: 0 PID: 487 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 42.527626][ T487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.537661][ T487] Call Trace: [ 42.541038][ T487] dump_stack+0x19c/0x1e2 [ 42.545344][ T487] should_fail+0x3f7/0x5b0 [ 42.549733][ T487] __should_failslab+0xd2/0x130 [ 42.554555][ T487] should_failslab+0x9/0x20 [ 42.559028][ T487] slab_pre_alloc_hook+0x25/0xe0 [ 42.564111][ T487] kmem_cache_alloc_trace+0x47/0x2b0 [ 42.569365][ T487] ? pids_css_alloc+0x4e/0x120 [ 42.574184][ T487] pids_css_alloc+0x4e/0x120 [ 42.578772][ T487] cgroup_apply_control_enable+0x381/0xf70 [ 42.584560][ T487] cgroup_apply_control+0x36/0x710 [ 42.589643][ T487] ? init_wait_entry+0xe0/0xe0 [ 42.594398][ T487] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.599659][ T487] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.605607][ T487] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.611698][ T487] cgroup_file_write+0x22f/0x4f0 [ 42.616896][ T487] kernfs_fop_write_iter+0x2cd/0x410 [ 42.622163][ T487] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.627260][ T487] vfs_write+0xb57/0xe50 [ 42.631476][ T487] ksys_write+0x157/0x260 [ 42.635777][ T487] __x64_sys_write+0x7b/0x90 [ 42.640338][ T487] do_syscall_64+0x34/0x70 [ 42.644823][ T487] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.650687][ T487] RIP: 0033:0x7f27589320e9 [ 42.655089][ T487] 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 [ 42.674972][ T487] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.683371][ T487] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 42.691325][ T487] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.699358][ T487] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.707390][ T487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.715347][ T487] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 42.725669][ T422] ------------[ cut here ]------------ [ 42.731273][ T422] WARNING: CPU: 0 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 42.740506][ T422] Modules linked in: [ 42.744394][ T422] CPU: 0 PID: 422 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 42.756386][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.766554][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 42.772344][ T422] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 42.792424][ T422] RSP: 0018:ffffc90000ca7d58 EFLAGS: 00010293 [ 42.798499][ T422] RAX: ffffffff81af00ac RBX: ffff88810921b5e0 RCX: ffff888108748000 [ 42.806491][ T422] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 42.814612][ T422] RBP: ffffc90000ca7dc8 R08: ffffffff81aefdd7 R09: fffff52000194fa3 [ 42.822855][ T422] R10: fffff52000194fa3 R11: 1ffff92000194fa2 R12: dffffc0000000000 [ 42.830830][ T422] R13: ffff88810921b500 R14: 00000000fffffffe R15: 0000000000000000 [ 42.838831][ T422] FS: 0000555556302400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 42.848160][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.854767][ T422] CR2: 00007ffff39bdfe8 CR3: 000000010900f000 CR4: 00000000003506b0 [ 42.862885][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.871224][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.879199][ T422] Call Trace: [ 42.882465][ T422] ? init_wait_entry+0xe0/0xe0 [ 42.887202][ T422] ? up_write+0x68/0x140 [ 42.891459][ T422] namespace_unlock+0x377/0x420 [ 42.896304][ T422] path_umount+0xe23/0xed0 [ 42.900738][ T422] __x64_sys_umount+0xe8/0x110 [ 42.905489][ T422] do_syscall_64+0x34/0x70 [ 42.909901][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.915780][ T422] RIP: 0033:0x7f2758933557 [ 42.920202][ T422] 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 [ 42.939888][ T422] RSP: 002b:00007ffff39be248 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 42.948753][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2758933557 [ 42.956795][ T422] RDX: 00007ffff39be319 RSI: 000000000000000a RDI: 00007ffff39be310 [ 42.965035][ T422] RBP: 00007ffff39be310 R08: 00000000ffffffff R09: 00007ffff39be0e0 [ 42.973006][ T422] R10: 0000555556303ba3 R11: 0000000000000246 R12: 00007f275898b1f8 [ 42.981072][ T422] R13: 00007ffff39bf3d0 R14: 0000555556303b00 R15: 00007ffff39bf410 [ 42.989141][ T422] ---[ end trace 5f324761e0034453 ]--- [ 42.994933][ T422] ------------[ cut here ]------------ [ 43.000503][ T422] WARNING: CPU: 1 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 43.008859][ C0] !!! css_killed_ref_fn css ffff88810dc76400 !!! [ 43.009549][ T422] Modules linked in: [ 43.016030][ C0] !!! css_killed_ref_fn css ffff88810dc75800 !!! [ 43.020031][ T422] CPU: 1 PID: 422 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 43.026441][ T5] !!! css_release css ffff88810dc76400 !!! [ 43.037855][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.037869][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 43.037882][ T422] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 43.043899][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810dc76400 !!! [ 43.053971][ T422] RSP: 0018:ffffc90000ca7dd0 EFLAGS: 00010293 [ 43.053982][ T422] RAX: ffffffff81af00ac RBX: ffff88810921b5e0 RCX: ffff888108748000 [ 43.053993][ T422] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 43.059717][ T5] !!! css_release css ffff88810dc75800 !!! [ 43.079289][ T422] RBP: ffffc90000ca7e40 R08: ffffffff81aefdd7 R09: fffff52000194fb2 [ 43.079295][ T422] R10: fffff52000194fb2 R11: 1ffff92000194fb1 R12: dffffc0000000000 [ 43.079301][ T422] R13: ffff88810921b500 R14: 00000000fffffffd R15: 0000000000000000 [ 43.079315][ T422] FS: 0000555556302400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 43.087526][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810dc75800 !!! [ 43.093802][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.093810][ T422] CR2: 000055555648d3b8 CR3: 000000010900f000 CR4: 00000000003506a0 [ 43.093819][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.093824][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.093828][ T422] Call Trace: [ 43.093843][ T422] path_umount+0x1ad/0xed0 [ 43.093853][ T422] __x64_sys_umount+0xe8/0x110 [ 43.093861][ T422] do_syscall_64+0x34/0x70 [ 43.093870][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.093878][ T422] RIP: 0033:0x7f2758933557 [ 43.093887][ T422] 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 [ 43.093892][ T422] RSP: 002b:00007ffff39be248 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 43.093905][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2758933557 [ 43.093911][ T422] RDX: 00007ffff39be319 RSI: 000000000000000a RDI: 00007ffff39be310 [ 43.093916][ T422] RBP: 00007ffff39be310 R08: 00000000ffffffff R09: 00007ffff39be0e0 [ 43.093922][ T422] R10: 0000555556303ba3 R11: 0000000000000246 R12: 00007f275898b1f8 [ 43.093928][ T422] R13: 00007ffff39bf3d0 R14: 0000555556303b00 R15: 00007ffff39bf410 [ 43.093934][ T422] ---[ end trace 5f324761e0034454 ]--- [ 43.096617][ T22] audit: type=1400 audit(1653680148.450:159): 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 [ 43.102515][ T493] FAULT_INJECTION: forcing a failure. [ 43.102515][ T493] name failslab, interval 1, probability 0, space 0, times 0 [ 43.110582][ T22] audit: type=1400 audit(1653680148.450:160): 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 [ 43.116615][ T493] CPU: 0 PID: 493 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 43.125026][ T22] audit: type=1400 audit(1653680148.450:161): 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 [ 43.132786][ T493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.132789][ T493] Call Trace: [ 43.132802][ T493] dump_stack+0x19c/0x1e2 [ 43.132812][ T493] should_fail+0x3f7/0x5b0 [ 43.132820][ T493] __should_failslab+0xd2/0x130 [ 43.132833][ T493] should_failslab+0x9/0x20 [ 43.411852][ T493] slab_pre_alloc_hook+0x25/0xe0 [ 43.416774][ T493] ? __kernfs_new_node+0x4c/0x6d0 [ 43.421863][ T493] __kmalloc_track_caller+0x70/0x300 [ 43.427307][ T493] ? __kernfs_new_node+0x4c/0x6d0 [ 43.432326][ T493] kstrdup_const+0x55/0x90 [ 43.436740][ T493] __kernfs_new_node+0x4c/0x6d0 [ 43.442030][ T493] ? string+0x29f/0x2b0 [ 43.446182][ T493] ? vsnprintf+0x1a6c/0x1b30 [ 43.450757][ T493] kernfs_new_node+0x97/0x170 [ 43.455514][ T493] __kernfs_create_file+0x4a/0x270 [ 43.460620][ T493] cgroup_addrm_files+0x99e/0xeb0 [ 43.465632][ T493] ? delete_node+0x747/0x7a0 [ 43.470288][ T493] css_populate_dir+0x137/0x370 [ 43.475232][ T493] cgroup_apply_control_enable+0x5cd/0xf70 [ 43.481021][ T493] cgroup_apply_control+0x36/0x710 [ 43.486116][ T493] ? init_wait_entry+0xe0/0xe0 [ 43.490947][ T493] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.496208][ T493] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.502193][ T493] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.508148][ T493] cgroup_file_write+0x22f/0x4f0 [ 43.513358][ T493] kernfs_fop_write_iter+0x2cd/0x410 [ 43.518874][ T493] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.523965][ T493] vfs_write+0xb57/0xe50 [ 43.528457][ T493] ksys_write+0x157/0x260 [ 43.532863][ T493] __x64_sys_write+0x7b/0x90 [ 43.537869][ T493] do_syscall_64+0x34/0x70 [ 43.542688][ T493] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.548577][ T493] RIP: 0033:0x7fbffc9a20e9 [ 43.552976][ T493] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.573102][ T493] RSP: 002b:00007fbffc8f7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.581590][ T493] RAX: ffffffffffffffda RBX: 00007fbffcab5030 RCX: 00007fbffc9a20e9 [ 43.589537][ T493] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.597943][ T493] RBP: 00007fbffc8f71d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.605902][ T493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.614047][ T493] R13: 00007ffef0e0b80f R14: 00007fbffc8f7300 R15: 0000000000022000 [ 43.623696][ T493] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.658750][ C1] !!! css_killed_ref_fn css ffff88810dea8800 !!! [ 43.665694][ C1] !!! css_killed_ref_fn css ffff88810dea9c00 !!! [ 43.672135][ C1] !!! css_killed_ref_fn css ffff88810dea8c00 !!! [ 43.678898][ T107] !!! css_release css ffff88810dea8800 !!! [ 43.684985][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810dea8800 !!! [ 43.693101][ T107] !!! css_release css ffff88810dea9c00 !!! [ 43.699305][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810dea9c00 !!! [ 43.707022][ T107] !!! css_release css ffff88810dea8c00 !!! [ 43.713004][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810dea8c00 !!! [ 43.720872][ T484] FAULT_INJECTION: forcing a failure. [ 43.720872][ T484] name failslab, interval 1, probability 0, space 0, times 0 [ 43.734145][ T484] CPU: 0 PID: 484 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 43.745875][ T484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.757129][ T484] Call Trace: [ 43.760403][ T484] dump_stack+0x19c/0x1e2 [ 43.765144][ T484] should_fail+0x3f7/0x5b0 [ 43.769800][ T484] __should_failslab+0xd2/0x130 [ 43.774821][ T484] should_failslab+0x9/0x20 [ 43.779323][ T484] slab_pre_alloc_hook+0x25/0xe0 [ 43.784854][ T484] kmem_cache_alloc_trace+0x47/0x2b0 [ 43.790308][ T484] ? percpu_ref_init+0xd0/0x330 [ 43.795231][ T484] percpu_ref_init+0xd0/0x330 [ 43.799894][ T484] ? cgroup_setup_root+0x8a0/0x8a0 [ 43.805098][ T484] cgroup_apply_control_enable+0x3d2/0xf70 [ 43.811060][ T484] cgroup_apply_control+0x36/0x710 [ 43.816189][ T484] ? init_wait_entry+0xe0/0xe0 [ 43.820921][ T484] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.826179][ T484] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.832130][ T484] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.838078][ T484] cgroup_file_write+0x22f/0x4f0 [ 43.842987][ T484] kernfs_fop_write_iter+0x2cd/0x410 [ 43.848240][ T484] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.853320][ T484] vfs_write+0xb57/0xe50 [ 43.857620][ T484] ksys_write+0x157/0x260 [ 43.862094][ T484] __x64_sys_write+0x7b/0x90 [ 43.866658][ T484] do_syscall_64+0x34/0x70 [ 43.871073][ T484] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.876940][ T484] RIP: 0033:0x7f9ef7df60e9 [ 43.881333][ T484] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.901029][ T484] RSP: 002b:00007f9ef7d4b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.909423][ T484] RAX: ffffffffffffffda RBX: 00007f9ef7f09030 RCX: 00007f9ef7df60e9 [ 43.917394][ T484] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.925345][ T484] RBP: 00007f9ef7d4b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.933293][ T484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.941242][ T484] R13: 00007ffd87f29d6f R14: 00007f9ef7d4b300 R15: 0000000000022000 [ 44.005586][ C0] !!! css_killed_ref_fn css ffff88810dee4400 !!! [ 44.012072][ C0] !!! css_killed_ref_fn css ffff88810dee6400 !!! [ 44.018456][ T382] !!! css_release css ffff88810dee4400 !!! [ 44.024484][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810dee4400 !!! [ 44.032158][ T382] !!! css_release css ffff88810dee6400 !!! [ 44.038030][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810dee6400 !!! [ 44.045706][ T490] FAULT_INJECTION: forcing a failure. [ 44.045706][ T490] name failslab, interval 1, probability 0, space 0, times 0 [ 44.059479][ T490] CPU: 1 PID: 490 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 44.071343][ T490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.081489][ T490] Call Trace: [ 44.084753][ T490] dump_stack+0x19c/0x1e2 [ 44.089243][ T490] should_fail+0x3f7/0x5b0 [ 44.093726][ T490] __should_failslab+0xd2/0x130 [ 44.098632][ T490] should_failslab+0x9/0x20 [ 44.103113][ T490] slab_pre_alloc_hook+0x25/0xe0 [ 44.108019][ T490] kmem_cache_alloc_trace+0x47/0x2b0 [ 44.113277][ T490] ? percpu_ref_init+0xd0/0x330 [ 44.118704][ T490] percpu_ref_init+0xd0/0x330 [ 44.123452][ T490] ? cgroup_setup_root+0x8a0/0x8a0 [ 44.128541][ T490] cgroup_apply_control_enable+0x3d2/0xf70 [ 44.134319][ T490] cgroup_apply_control+0x36/0x710 [ 44.139583][ T490] ? init_wait_entry+0xe0/0xe0 [ 44.144340][ T490] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.149684][ T490] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.155633][ T490] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.161578][ T490] cgroup_file_write+0x22f/0x4f0 [ 44.166657][ T490] kernfs_fop_write_iter+0x2cd/0x410 [ 44.171972][ T490] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.177051][ T490] vfs_write+0xb57/0xe50 [ 44.181260][ T490] ksys_write+0x157/0x260 [ 44.185558][ T490] __x64_sys_write+0x7b/0x90 [ 44.190118][ T490] do_syscall_64+0x34/0x70 [ 44.194589][ T490] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.200456][ T490] RIP: 0033:0x7f5da5b5e0e9 [ 44.205013][ T490] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.224676][ T490] RSP: 002b:00007f5da5ab3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.233059][ T490] RAX: ffffffffffffffda RBX: 00007f5da5c71030 RCX: 00007f5da5b5e0e9 [ 44.241105][ T490] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.249048][ T490] RBP: 00007f5da5ab31d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.257336][ T490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.265279][ T490] R13: 00007ffcb4475d3f R14: 00007f5da5ab3300 R15: 0000000000022000 [ 44.298643][ C1] !!! css_killed_ref_fn css ffff88810de8f400 !!! [ 44.305031][ C1] !!! css_killed_ref_fn css ffff88810e05fc00 !!! [ 44.311427][ T107] !!! css_release css ffff88810de8f400 !!! [ 44.317337][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810de8f400 !!! [ 44.325259][ T107] !!! css_release css ffff88810e05fc00 !!! [ 44.331355][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e05fc00 !!! [ 44.339142][ T513] FAULT_INJECTION: forcing a failure. [ 44.339142][ T513] name failslab, interval 1, probability 0, space 0, times 0 [ 44.351902][ T513] CPU: 1 PID: 513 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 44.363596][ T513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.373637][ T513] Call Trace: [ 44.376908][ T513] dump_stack+0x19c/0x1e2 [ 44.381216][ T513] should_fail+0x3f7/0x5b0 [ 44.385620][ T513] __should_failslab+0xd2/0x130 [ 44.390455][ T513] should_failslab+0x9/0x20 [ 44.394939][ T513] slab_pre_alloc_hook+0x25/0xe0 [ 44.399966][ T513] ? __kernfs_new_node+0x4c/0x6d0 [ 44.404979][ T513] __kmalloc_track_caller+0x70/0x300 [ 44.410340][ T513] ? __kernfs_new_node+0x4c/0x6d0 [ 44.415341][ T513] kstrdup_const+0x55/0x90 [ 44.419731][ T513] __kernfs_new_node+0x4c/0x6d0 [ 44.424562][ T513] ? string+0x29f/0x2b0 [ 44.428807][ T513] ? vsnprintf+0x1a6c/0x1b30 [ 44.433386][ T513] kernfs_new_node+0x97/0x170 [ 44.438058][ T513] __kernfs_create_file+0x4a/0x270 [ 44.443412][ T513] cgroup_addrm_files+0x99e/0xeb0 [ 44.448423][ T513] ? delete_node+0x747/0x7a0 [ 44.452994][ T513] css_populate_dir+0x137/0x370 [ 44.457827][ T513] cgroup_apply_control_enable+0x5cd/0xf70 [ 44.463610][ T513] cgroup_apply_control+0x36/0x710 [ 44.469057][ T513] ? init_wait_entry+0xe0/0xe0 [ 44.473794][ T513] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.479250][ T513] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.485211][ T513] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.491353][ T513] cgroup_file_write+0x22f/0x4f0 [ 44.496277][ T513] kernfs_fop_write_iter+0x2cd/0x410 [ 44.501628][ T513] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.506723][ T513] vfs_write+0xb57/0xe50 [ 44.510943][ T513] ksys_write+0x157/0x260 [ 44.515328][ T513] __x64_sys_write+0x7b/0x90 [ 44.519896][ T513] do_syscall_64+0x34/0x70 [ 44.524287][ T513] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.530156][ T513] RIP: 0033:0x7f9ef7df60e9 [ 44.534548][ 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 [ 44.554234][ T513] RSP: 002b:00007f9ef7d4b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.562636][ T513] RAX: ffffffffffffffda RBX: 00007f9ef7f09030 RCX: 00007f9ef7df60e9 [ 44.570612][ T513] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.578568][ T513] RBP: 00007f9ef7d4b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.586866][ T513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.594815][ T513] R13: 00007ffd87f29d6f R14: 00007f9ef7d4b300 R15: 0000000000022000 [ 44.602971][ T513] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.611767][ T420] ------------[ cut here ]------------ [ 44.617243][ T420] WARNING: CPU: 0 PID: 420 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 44.626199][ T420] Modules linked in: [ 44.630182][ T420] CPU: 0 PID: 420 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 44.641714][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.651864][ T420] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 44.657468][ T420] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 44.677072][ T420] RSP: 0018:ffffc90000c77d58 EFLAGS: 00010293 [ 44.683172][ T420] RAX: ffffffff81af00ac RBX: ffff88810c19f460 RCX: ffff8881025c4c40 [ 44.691159][ T420] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 44.699125][ T420] RBP: ffffc90000c77dc8 R08: ffffffff81aefdd7 R09: fffff5200018efa3 [ 44.707072][ T420] R10: fffff5200018efa3 R11: 1ffff9200018efa2 R12: dffffc0000000000 [ 44.715385][ T420] R13: ffff88810c19f380 R14: 00000000ffffffff R15: 0000000000000000 [ 44.723618][ T420] FS: 000055555648d400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 44.732848][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.739698][ T420] CR2: 0000555556496b38 CR3: 000000010708c000 CR4: 00000000003506b0 [ 44.747924][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.756591][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.764549][ T420] Call Trace: [ 44.767815][ T420] ? init_wait_entry+0xe0/0xe0 [ 44.772572][ T420] ? up_write+0x68/0x140 [ 44.777161][ T420] namespace_unlock+0x377/0x420 [ 44.782009][ T420] path_umount+0xe23/0xed0 [ 44.786402][ T420] __x64_sys_umount+0xe8/0x110 [ 44.791158][ T420] do_syscall_64+0x34/0x70 [ 44.795547][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.801600][ T420] RIP: 0033:0x7f9ef7df7557 [ 44.805997][ T420] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.826030][ T420] RSP: 002b:00007ffd87f28ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 44.834601][ T420] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ef7df7557 [ 44.842563][ T420] RDX: 00007ffd87f28f99 RSI: 000000000000000a RDI: 00007ffd87f28f90 [ 44.851069][ T420] RBP: 00007ffd87f28f90 R08: 00000000ffffffff R09: 00007ffd87f28d60 [ 44.859028][ T420] R10: 000055555648eba3 R11: 0000000000000246 R12: 00007f9ef7e4f1f8 [ 44.866980][ T420] R13: 00007ffd87f2a050 R14: 000055555648eb00 R15: 00007ffd87f2a090 [ 44.874941][ T420] ---[ end trace 5f324761e0034455 ]--- [ 44.880443][ T420] ------------[ cut here ]------------ [ 44.886051][ T420] WARNING: CPU: 1 PID: 420 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 44.895104][ T420] Modules linked in: [ 44.899001][ T420] CPU: 1 PID: 420 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 44.910535][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.920600][ T420] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 44.926212][ T420] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 44.945939][ T420] RSP: 0018:ffffc90000c77dd0 EFLAGS: 00010293 [ 44.952106][ C1] !!! css_killed_ref_fn css ffff88810e05d400 !!! [ 44.952127][ C1] !!! css_killed_ref_fn css ffff88810e05f800 !!! [ 44.952132][ C1] !!! css_killed_ref_fn css ffff88810e05f000 !!! [ 44.972206][ T420] RAX: ffffffff81af00ac RBX: ffff88810c19f460 RCX: ffff8881025c4c40 [ 44.980260][ T420] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 44.988298][ T420] RBP: ffffc90000c77e40 R08: ffffffff81aefdd7 R09: fffff5200018efb2 [ 44.996262][ T420] R10: fffff5200018efb2 R11: 1ffff9200018efb1 R12: dffffc0000000000 [ 45.004399][ T420] R13: ffff88810c19f380 R14: 00000000fffffffe R15: 0000000000000000 [ 45.012380][ T420] FS: 000055555648d400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 45.021483][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.028044][ T420] CR2: 00007f5da5c71028 CR3: 000000010708c000 CR4: 00000000003506a0 [ 45.036103][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.044411][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.052545][ T420] Call Trace: [ 45.055881][ T420] path_umount+0x1ad/0xed0 [ 45.060306][ T420] __x64_sys_umount+0xe8/0x110 [ 45.065047][ T420] do_syscall_64+0x34/0x70 [ 45.069468][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.075357][ T420] RIP: 0033:0x7f9ef7df7557 [ 45.079785][ T420] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.099585][ T420] RSP: 002b:00007ffd87f28ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 45.108330][ T420] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ef7df7557 [ 45.116295][ T420] RDX: 00007ffd87f28f99 RSI: 000000000000000a RDI: 00007ffd87f28f90 [ 45.124350][ T420] RBP: 00007ffd87f28f90 R08: 00000000ffffffff R09: 00007ffd87f28d60 [ 45.132498][ T420] R10: 000055555648eba3 R11: 0000000000000246 R12: 00007f9ef7e4f1f8 [ 45.141123][ T420] R13: 00007ffd87f2a050 R14: 000055555648eb00 R15: 00007ffd87f2a090 [ 45.149099][ T420] ---[ end trace 5f324761e0034456 ]--- [ 45.154624][ T393] !!! css_release css ffff88810e05d400 !!! [ 45.164004][ T393] !!! css_put is zero set CSS_NO_REF css ffff88810e05d400 !!! [ 45.171611][ T393] !!! css_release css ffff88810e05f800 !!! [ 45.177670][ T393] !!! css_put is zero set CSS_NO_REF css ffff88810e05f800 !!! [ 45.185776][ T510] FAULT_INJECTION: forcing a failure. [ 45.185776][ T510] name failslab, interval 1, probability 0, space 0, times 0 [ 45.198615][ T510] CPU: 0 PID: 510 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 45.210162][ T510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.220196][ T510] Call Trace: [ 45.223469][ T510] dump_stack+0x19c/0x1e2 [ 45.227774][ T510] should_fail+0x3f7/0x5b0 [ 45.232164][ T510] __should_failslab+0xd2/0x130 [ 45.236988][ T510] should_failslab+0x9/0x20 [ 45.241476][ T510] slab_pre_alloc_hook+0x25/0xe0 [ 45.246387][ T510] kmem_cache_alloc_trace+0x47/0x2b0 [ 45.251645][ T510] ? pids_css_alloc+0x4e/0x120 [ 45.256385][ T510] pids_css_alloc+0x4e/0x120 [ 45.260960][ T510] cgroup_apply_control_enable+0x381/0xf70 [ 45.266828][ T510] cgroup_apply_control+0x36/0x710 [ 45.272122][ T510] ? init_wait_entry+0xe0/0xe0 [ 45.276872][ T510] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.282154][ T510] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.288144][ T510] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.294111][ T510] cgroup_file_write+0x22f/0x4f0 [ 45.299026][ T510] kernfs_fop_write_iter+0x2cd/0x410 [ 45.304371][ T510] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.309637][ T510] vfs_write+0xb57/0xe50 [ 45.313882][ T510] ksys_write+0x157/0x260 [ 45.318187][ T510] __x64_sys_write+0x7b/0x90 [ 45.322767][ T510] do_syscall_64+0x34/0x70 [ 45.327159][ T510] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.333032][ T510] RIP: 0033:0x7fbffc9a20e9 [ 45.337476][ 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 [ 45.357164][ T510] RSP: 002b:00007fbffc8f7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.365906][ T510] RAX: ffffffffffffffda RBX: 00007fbffcab5030 RCX: 00007fbffc9a20e9 [ 45.373948][ T510] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.381988][ T510] RBP: 00007fbffc8f71d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.390038][ T510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.398263][ T510] R13: 00007ffef0e0b80f R14: 00007fbffc8f7300 R15: 0000000000022000 [ 45.438697][ C0] !!! css_killed_ref_fn css ffff88810e29dc00 !!! [ 45.445263][ C0] !!! css_killed_ref_fn css ffff88810e29cc00 !!! [ 45.452008][ T73] !!! css_release css ffff88810e29dc00 !!! [ 45.458065][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810e29dc00 !!! [ 45.466090][ T73] !!! css_release css ffff88810e29cc00 !!! [ 45.472153][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810e29cc00 !!! [ 45.479841][ T516] FAULT_INJECTION: forcing a failure. [ 45.479841][ T516] name failslab, interval 1, probability 0, space 0, times 0 [ 45.492561][ T516] CPU: 1 PID: 516 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 45.504085][ T516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.514304][ T516] Call Trace: [ 45.517668][ T516] dump_stack+0x19c/0x1e2 [ 45.521984][ T516] should_fail+0x3f7/0x5b0 [ 45.526382][ T516] __should_failslab+0xd2/0x130 [ 45.531205][ T516] should_failslab+0x9/0x20 [ 45.535689][ T516] slab_pre_alloc_hook+0x25/0xe0 [ 45.540615][ T516] ? __kernfs_new_node+0x4c/0x6d0 [ 45.545619][ T516] __kmalloc_track_caller+0x70/0x300 [ 45.550924][ T516] ? __kernfs_new_node+0x4c/0x6d0 [ 45.555930][ T516] kstrdup_const+0x55/0x90 [ 45.560318][ T516] __kernfs_new_node+0x4c/0x6d0 [ 45.565150][ T516] ? string+0x29f/0x2b0 [ 45.569293][ T516] ? vsnprintf+0x1a6c/0x1b30 [ 45.573951][ T516] kernfs_new_node+0x97/0x170 [ 45.578613][ T516] __kernfs_create_file+0x4a/0x270 [ 45.583958][ T516] cgroup_addrm_files+0x99e/0xeb0 [ 45.588964][ T516] ? delete_node+0x747/0x7a0 [ 45.593703][ T516] css_populate_dir+0x137/0x370 [ 45.598539][ T516] cgroup_apply_control_enable+0x5cd/0xf70 [ 45.604416][ T516] cgroup_apply_control+0x36/0x710 [ 45.609509][ T516] ? init_wait_entry+0xe0/0xe0 [ 45.614330][ T516] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.619600][ T516] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.625767][ T516] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.631896][ T516] cgroup_file_write+0x22f/0x4f0 [ 45.636809][ T516] kernfs_fop_write_iter+0x2cd/0x410 [ 45.642072][ T516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.647167][ T516] vfs_write+0xb57/0xe50 [ 45.651389][ T516] ksys_write+0x157/0x260 [ 45.655777][ T516] __x64_sys_write+0x7b/0x90 [ 45.660529][ T516] do_syscall_64+0x34/0x70 [ 45.664924][ T516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.670800][ T516] RIP: 0033:0x7f5da5b5e0e9 [ 45.675188][ 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 [ 45.694774][ T516] RSP: 002b:00007f5da5ab3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.703259][ T516] RAX: ffffffffffffffda RBX: 00007f5da5c71030 RCX: 00007f5da5b5e0e9 [ 45.711212][ T516] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.719242][ T516] RBP: 00007f5da5ab31d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.727273][ T516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.735405][ T516] R13: 00007ffcb4475d3f R14: 00007f5da5ab3300 R15: 0000000000022000 [ 45.744816][ T516] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.753527][ T430] ------------[ cut here ]------------ [ 45.759013][ T430] WARNING: CPU: 0 PID: 430 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 45.767925][ T430] Modules linked in: [ 45.771831][ T430] CPU: 0 PID: 430 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 45.783587][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.793660][ T430] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 45.799392][ T430] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 45.819013][ T430] RSP: 0018:ffffc90000f67dd0 EFLAGS: 00010293 [ 45.825072][ T430] RAX: ffffffff81af00ac RBX: ffff88810c19ee60 RCX: ffff88810925bd00 [ 45.833073][ T430] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 45.841041][ T430] RBP: ffffc90000f67e40 R08: ffffffff81aefdd7 R09: fffff520001ecfb2 [ 45.849275][ T430] R10: fffff520001ecfb2 R11: 1ffff920001ecfb1 R12: dffffc0000000000 [ 45.857246][ T430] R13: ffff88810c19ed80 R14: 00000000ffffffff R15: 0000000000000000 [ 45.865402][ T430] FS: 000055555738c400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 45.874504][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.881268][ T430] CR2: 0000555557395b38 CR3: 00000001086a6000 CR4: 00000000003506b0 [ 45.889251][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.897211][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.905725][ T430] Call Trace: [ 45.909015][ T430] path_umount+0x1ad/0xed0 [ 45.913498][ T430] __x64_sys_umount+0xe8/0x110 [ 45.918250][ T430] do_syscall_64+0x34/0x70 [ 45.922682][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.928759][ T430] RIP: 0033:0x7f5da5b5f557 [ 45.933151][ T430] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.952854][ T430] RSP: 002b:00007ffcb4474e98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 45.961270][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5da5b5f557 [ 45.969249][ T430] RDX: 00007ffcb4474f69 RSI: 000000000000000a RDI: 00007ffcb4474f60 [ 45.977209][ T430] RBP: 00007ffcb4474f60 R08: 00000000ffffffff R09: 00007ffcb4474d30 [ 45.985189][ T430] R10: 000055555738dba3 R11: 0000000000000246 R12: 00007f5da5bb71f8 [ 45.993155][ T430] R13: 00007ffcb4476020 R14: 000055555738db00 R15: 00007ffcb4476060 [ 46.001138][ T430] ---[ end trace 5f324761e0034457 ]--- [ 46.007514][ T430] ------------[ cut here ]------------ [ 46.013085][ T430] WARNING: CPU: 0 PID: 430 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 46.021604][ C0] !!! css_killed_ref_fn css ffff88810e30b800 !!! [ 46.021622][ C0] !!! css_killed_ref_fn css ffff88810e309400 !!! [ 46.021626][ C0] !!! css_killed_ref_fn css ffff88810e30ac00 !!! [ 46.040774][ T73] !!! css_release css ffff88810e30b800 !!! [ 46.040829][ T430] Modules linked in: [ 46.046645][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810e30b800 !!! [ 46.046657][ T73] !!! css_release css ffff88810e309400 !!! [ 46.046667][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810e309400 !!! [ 46.050612][ T430] [ 46.058658][ T501] FAULT_INJECTION: forcing a failure. [ 46.058658][ T501] name failslab, interval 1, probability 0, space 0, times 0 [ 46.063923][ T430] CPU: 1 PID: 430 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 46.071897][ T501] CPU: 0 PID: 501 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 46.074049][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.086591][ T501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.086595][ T501] Call Trace: [ 46.086607][ T501] dump_stack+0x19c/0x1e2 [ 46.086616][ T501] should_fail+0x3f7/0x5b0 [ 46.086630][ T501] __should_failslab+0xd2/0x130 [ 46.098403][ T430] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 46.109882][ T501] should_failslab+0x9/0x20 [ 46.109892][ T501] slab_pre_alloc_hook+0x25/0xe0 [ 46.109902][ T501] ? __kernfs_new_node+0x4c/0x6d0 [ 46.109909][ T501] __kmalloc_track_caller+0x70/0x300 [ 46.109917][ T501] ? __kernfs_new_node+0x4c/0x6d0 [ 46.109924][ T501] kstrdup_const+0x55/0x90 [ 46.109933][ T501] __kernfs_new_node+0x4c/0x6d0 [ 46.109940][ T501] ? string+0x29f/0x2b0 [ 46.109956][ T501] ? vsnprintf+0x1a6c/0x1b30 [ 46.120557][ T430] Code: cd a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1e 02 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 0b 02 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 18 2d 20 86 80 e1 07 80 c1 03 38 c1 [ 46.130229][ T501] kernfs_new_node+0x97/0x170 [ 46.130238][ T501] __kernfs_create_file+0x4a/0x270 [ 46.130247][ T501] cgroup_addrm_files+0x99e/0xeb0 [ 46.130262][ T501] ? delete_node+0x747/0x7a0 [ 46.133753][ T430] RSP: 0018:ffffc90000f67e30 EFLAGS: 00010293 [ 46.138113][ T501] css_populate_dir+0x137/0x370 [ 46.142654][ T430] [ 46.147334][ T501] cgroup_apply_control_enable+0x5cd/0xf70 [ 46.152649][ T430] RAX: ffffffff81b00b75 RBX: ffffe8ffffd4501c RCX: ffff88810925bd00 [ 46.156985][ T501] cgroup_apply_control+0x36/0x710 [ 46.162006][ T430] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 46.166929][ T501] ? init_wait_entry+0xe0/0xe0 [ 46.172369][ T430] RBP: ffffc90000f67e80 R08: ffffffff81b00853 R09: fffff520001ecfcd [ 46.177265][ T501] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.181770][ T430] R10: fffff520001ecfcd R11: 1ffff920001ecfcc R12: ffff88810c19edc8 [ 46.186894][ T501] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.191204][ T430] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 46.195672][ T501] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.215488][ T430] FS: 000055555738c400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 46.219993][ T501] cgroup_file_write+0x22f/0x4f0 [ 46.220002][ T501] kernfs_fop_write_iter+0x2cd/0x410 [ 46.220015][ T501] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.225293][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.230796][ T501] vfs_write+0xb57/0xe50 [ 46.230806][ T501] ksys_write+0x157/0x260 [ 46.230819][ T501] __x64_sys_write+0x7b/0x90 [ 46.235654][ T430] CR2: 00005555564363b8 CR3: 00000001086a6000 CR4: 00000000003506a0 [ 46.241517][ T501] do_syscall_64+0x34/0x70 [ 46.241526][ T501] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.241538][ T501] RIP: 0033:0x7fb73de410e9 [ 46.246539][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.248663][ 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 [ 46.248669][ T501] RSP: 002b:00007fb73ddb7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.254528][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.262402][ T501] RAX: ffffffffffffffda RBX: 00007fb73df53f60 RCX: 00007fb73de410e9 [ 46.262409][ T501] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.262419][ T501] RBP: 00007fb73ddb71d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.267773][ T430] Call Trace: [ 46.275457][ T501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.275464][ T501] R13: 00007ffe32dbcc8f R14: 00007fb73ddb7300 R15: 0000000000022000 [ 46.275710][ T501] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.280422][ T430] __cleanup_mnt+0x19/0x20 [ 46.492095][ T430] task_work_run+0x147/0x1b0 [ 46.496797][ T430] exit_to_user_mode_loop+0xc8/0xe0 [ 46.502204][ T430] syscall_exit_to_user_mode+0x77/0xa0 [ 46.509833][ T430] do_syscall_64+0x40/0x70 [ 46.510215][ C0] !!! css_killed_ref_fn css ffff88810e83a000 !!! [ 46.514293][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.520602][ C0] !!! css_killed_ref_fn css ffff88810e838400 !!! [ 46.520614][ C0] !!! css_killed_ref_fn css ffff88810e83a400 !!! [ 46.520682][ T5] !!! css_release css ffff88810e83a000 !!! [ 46.526822][ T430] RIP: 0033:0x7f5da5b5f557 [ 46.533330][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810e83a000 !!! [ 46.539298][ T430] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.539309][ T430] RSP: 002b:00007ffcb4474e98 EFLAGS: 00000246 [ 46.545238][ T5] !!! css_release css ffff88810e838400 !!! [ 46.549861][ T430] ORIG_RAX: 00000000000000a6 [ 46.557152][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810e838400 !!! [ 46.577146][ T430] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5da5b5f557 [ 46.583538][ T5] !!! css_release css ffff88810e83a400 !!! [ 46.589110][ T430] RDX: 00007ffcb4474f69 RSI: 000000000000000a RDI: 00007ffcb4474f60 [ 46.589116][ T430] RBP: 00007ffcb4474f60 R08: 00000000ffffffff R09: 00007ffcb4474d30 [ 46.589129][ T430] R10: 000055555738dba3 R11: 0000000000000246 R12: 00007f5da5bb71f8 [ 46.594013][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810e83a400 !!! [ 46.601341][ T430] R13: 00007ffcb4476020 R14: 000055555738db00 R15: 00007ffcb4476060 [ 46.609676][ T499] FAULT_INJECTION: forcing a failure. [ 46.609676][ T499] name failslab, interval 1, probability 0, space 0, times 0 [ 46.615764][ T430] ---[ end trace 5f324761e0034458 ]--- [ 46.623860][ T499] CPU: 0 PID: 499 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 46.684924][ T499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.695053][ T499] Call Trace: [ 46.698327][ T499] dump_stack+0x19c/0x1e2 [ 46.702639][ T499] should_fail+0x3f7/0x5b0 [ 46.707034][ T499] __should_failslab+0xd2/0x130 [ 46.711945][ T499] should_failslab+0x9/0x20 [ 46.716565][ T499] slab_pre_alloc_hook+0x25/0xe0 [ 46.721562][ T499] ? __kernfs_new_node+0x4c/0x6d0 [ 46.726564][ T499] __kmalloc_track_caller+0x70/0x300 [ 46.731832][ T499] ? __kernfs_new_node+0x4c/0x6d0 [ 46.736832][ T499] kstrdup_const+0x55/0x90 [ 46.741317][ T499] __kernfs_new_node+0x4c/0x6d0 [ 46.746252][ T499] ? string+0x29f/0x2b0 [ 46.750555][ T499] ? vsnprintf+0x1a6c/0x1b30 [ 46.755122][ T499] kernfs_new_node+0x97/0x170 [ 46.759963][ T499] __kernfs_create_file+0x4a/0x270 [ 46.765044][ T499] cgroup_addrm_files+0x99e/0xeb0 [ 46.770045][ T499] ? delete_node+0x747/0x7a0 [ 46.774609][ T499] css_populate_dir+0x137/0x370 [ 46.779700][ T499] cgroup_apply_control_enable+0x5cd/0xf70 [ 46.785604][ T499] cgroup_apply_control+0x36/0x710 [ 46.790698][ T499] ? init_wait_entry+0xe0/0xe0 [ 46.795609][ T499] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.800866][ T499] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.806850][ T499] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.812814][ T499] cgroup_file_write+0x22f/0x4f0 [ 46.817739][ T499] kernfs_fop_write_iter+0x2cd/0x410 [ 46.823173][ T499] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.828274][ T499] vfs_write+0xb57/0xe50 [ 46.832587][ T499] ksys_write+0x157/0x260 [ 46.836887][ T499] __x64_sys_write+0x7b/0x90 [ 46.841453][ T499] do_syscall_64+0x34/0x70 [ 46.845853][ T499] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.851825][ T499] RIP: 0033:0x7f5152d1a0e9 [ 46.856312][ T499] 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 [ 46.876258][ T499] RSP: 002b:00007f5152c6f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.884656][ T499] RAX: ffffffffffffffda RBX: 00007f5152e2d030 RCX: 00007f5152d1a0e9 2022/05/27 19:35:52 executed programs: 27 [ 46.892792][ T499] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.900749][ T499] RBP: 00007f5152c6f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.908707][ T499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.916748][ T499] R13: 00007ffc1b81870f R14: 00007f5152c6f300 R15: 0000000000022000 [ 46.924998][ T499] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.958632][ C1] !!! css_killed_ref_fn css ffff88810e91c800 !!! [ 46.965037][ C1] !!! css_killed_ref_fn css ffff88810e91dc00 !!! [ 46.971369][ C1] !!! css_killed_ref_fn css ffff88810e91cc00 !!! [ 46.977739][ T107] !!! css_release css ffff88810e91c800 !!! [ 46.983556][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e91c800 !!! [ 46.991597][ T107] !!! css_release css ffff88810e91dc00 !!! [ 46.997536][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e91dc00 !!! [ 47.005281][ T107] !!! css_release css ffff88810e91cc00 !!! [ 47.011142][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e91cc00 !!! [ 47.018984][ T519] FAULT_INJECTION: forcing a failure. [ 47.018984][ T519] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 47.032568][ T519] CPU: 1 PID: 519 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 47.044105][ T519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.054147][ T519] Call Trace: [ 47.057421][ T519] dump_stack+0x19c/0x1e2 [ 47.061735][ T519] should_fail+0x3f7/0x5b0 [ 47.066313][ T519] should_fail_alloc_page+0xa9/0xd0 [ 47.071486][ T519] __alloc_pages_nodemask+0x121/0x740 [ 47.077171][ T519] ? _raw_spin_lock_irq+0x6f/0x1f0 [ 47.082362][ T519] allocate_slab+0x72/0x580 [ 47.086951][ T519] ___slab_alloc+0x131/0x2e0 [ 47.091657][ T519] ? pids_css_alloc+0x4e/0x120 [ 47.096606][ T519] __slab_alloc+0x63/0xa0 [ 47.100932][ T519] ? pids_css_alloc+0x4e/0x120 [ 47.105671][ T519] kmem_cache_alloc_trace+0xe5/0x2b0 [ 47.110981][ T519] ? pids_css_alloc+0x4e/0x120 [ 47.115731][ T519] pids_css_alloc+0x4e/0x120 [ 47.120755][ T519] cgroup_apply_control_enable+0x381/0xf70 [ 47.126641][ T519] cgroup_apply_control+0x36/0x710 [ 47.131737][ T519] ? init_wait_entry+0xe0/0xe0 [ 47.136489][ T519] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.141857][ T519] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.148003][ T519] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.153963][ T519] cgroup_file_write+0x22f/0x4f0 [ 47.158876][ T519] kernfs_fop_write_iter+0x2cd/0x410 [ 47.164137][ T519] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.169335][ T519] vfs_write+0xb57/0xe50 [ 47.173570][ T519] ksys_write+0x157/0x260 [ 47.177897][ T519] __x64_sys_write+0x7b/0x90 [ 47.182478][ T519] do_syscall_64+0x34/0x70 [ 47.186969][ T519] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.192852][ T519] RIP: 0033:0x7f9ef7df60e9 [ 47.197261][ T519] 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 [ 47.217142][ T519] RSP: 002b:00007f9ef7d4b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.225830][ T519] RAX: ffffffffffffffda RBX: 00007f9ef7f09030 RCX: 00007f9ef7df60e9 [ 47.234145][ T519] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.242136][ T519] RBP: 00007f9ef7d4b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.250290][ T519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.258256][ T519] R13: 00007ffd87f29d6f R14: 00007f9ef7d4b300 R15: 0000000000022000 [ 47.288729][ C1] !!! css_killed_ref_fn css ffff88810ebc2800 !!! [ 47.295115][ C1] !!! css_killed_ref_fn css ffff88810ebc0000 !!! [ 47.301556][ C1] !!! css_killed_ref_fn css ffff88810df57000 !!! [ 47.308010][ C1] !!! css_killed_ref_fn css ffff88810df57800 !!! [ 47.314352][ C1] !!! css_killed_ref_fn css ffff88810df57c00 !!! [ 47.320686][ C1] !!! css_killed_ref_fn css ffff88810df57400 !!! [ 47.327060][ T107] !!! css_release css ffff88810ebc2800 !!! [ 47.332947][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810ebc2800 !!! [ 47.340459][ T107] !!! css_release css ffff88810ebc0000 !!! [ 47.346513][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810ebc0000 !!! [ 47.354430][ T107] !!! css_release css ffff88810df57000 !!! [ 47.360305][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810df57000 !!! [ 47.367859][ T107] !!! css_release css ffff88810df57800 !!! [ 47.373748][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810df57800 !!! [ 47.381345][ T107] !!! css_release css ffff88810df57c00 !!! [ 47.387129][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810df57c00 !!! [ 47.394621][ T107] !!! css_release css ffff88810df57400 !!! [ 47.400438][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810df57400 !!! [ 47.408133][ T539] FAULT_INJECTION: forcing a failure. [ 47.408133][ T539] name failslab, interval 1, probability 0, space 0, times 0 [ 47.420788][ T539] CPU: 0 PID: 539 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 47.432780][ T539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.442809][ T539] Call Trace: [ 47.446074][ T539] dump_stack+0x19c/0x1e2 [ 47.450378][ T539] should_fail+0x3f7/0x5b0 [ 47.455096][ T539] __should_failslab+0xd2/0x130 [ 47.459930][ T539] should_failslab+0x9/0x20 [ 47.464408][ T539] slab_pre_alloc_hook+0x25/0xe0 [ 47.469326][ T539] kmem_cache_alloc_trace+0x47/0x2b0 [ 47.474722][ T539] ? pids_css_alloc+0x4e/0x120 [ 47.479472][ T539] pids_css_alloc+0x4e/0x120 [ 47.484063][ T539] cgroup_apply_control_enable+0x381/0xf70 [ 47.489854][ T539] cgroup_apply_control+0x36/0x710 [ 47.494954][ T539] ? init_wait_entry+0xe0/0xe0 [ 47.499696][ T539] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.505062][ T539] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.511014][ T539] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.516968][ T539] cgroup_file_write+0x22f/0x4f0 [ 47.521886][ T539] kernfs_fop_write_iter+0x2cd/0x410 [ 47.527160][ T539] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.532334][ T539] vfs_write+0xb57/0xe50 [ 47.536550][ T539] ksys_write+0x157/0x260 [ 47.540859][ T539] __x64_sys_write+0x7b/0x90 [ 47.545419][ T539] do_syscall_64+0x34/0x70 [ 47.549898][ T539] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.555765][ T539] RIP: 0033:0x7f27589320e9 [ 47.560151][ T539] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.579734][ T539] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.588125][ T539] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 47.596069][ T539] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.604195][ T539] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.612153][ T539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.620106][ T539] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 47.658639][ C0] !!! css_killed_ref_fn css ffff88810ecc6c00 !!! [ 47.665003][ C0] !!! css_killed_ref_fn css ffff88810ecc5400 !!! [ 47.671469][ T382] !!! css_release css ffff88810ecc6c00 !!! [ 47.677260][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810ecc6c00 !!! [ 47.684723][ T382] !!! css_release css ffff88810ecc5400 !!! [ 47.690763][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810ecc5400 !!! [ 47.698411][ T525] FAULT_INJECTION: forcing a failure. [ 47.698411][ T525] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 47.711677][ T525] CPU: 1 PID: 525 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 47.723289][ T525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.733323][ T525] Call Trace: [ 47.736762][ T525] dump_stack+0x19c/0x1e2 [ 47.741088][ T525] should_fail+0x3f7/0x5b0 [ 47.745709][ T525] should_fail_alloc_page+0xa9/0xd0 [ 47.750890][ T525] __alloc_pages_nodemask+0x121/0x740 [ 47.756246][ T525] ? _raw_spin_lock_irq+0x6f/0x1f0 [ 47.761344][ T525] allocate_slab+0x72/0x580 [ 47.765917][ T525] ___slab_alloc+0x131/0x2e0 [ 47.770579][ T525] ? pids_css_alloc+0x4e/0x120 [ 47.775335][ T525] __slab_alloc+0x63/0xa0 [ 47.779638][ T525] ? pids_css_alloc+0x4e/0x120 [ 47.784374][ T525] kmem_cache_alloc_trace+0xe5/0x2b0 [ 47.789633][ T525] ? pids_css_alloc+0x4e/0x120 [ 47.794366][ T525] pids_css_alloc+0x4e/0x120 [ 47.798933][ T525] cgroup_apply_control_enable+0x381/0xf70 [ 47.804804][ T525] cgroup_apply_control+0x36/0x710 [ 47.809890][ T525] ? init_wait_entry+0xe0/0xe0 [ 47.814635][ T525] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.819889][ T525] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.825842][ T525] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.831803][ T525] cgroup_file_write+0x22f/0x4f0 [ 47.836817][ T525] kernfs_fop_write_iter+0x2cd/0x410 [ 47.842075][ T525] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.847267][ T525] vfs_write+0xb57/0xe50 [ 47.851488][ T525] ksys_write+0x157/0x260 [ 47.855798][ T525] __x64_sys_write+0x7b/0x90 [ 47.860368][ T525] do_syscall_64+0x34/0x70 [ 47.864822][ T525] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.870689][ T525] RIP: 0033:0x7fb73de410e9 [ 47.875209][ 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 [ 47.894963][ T525] RSP: 002b:00007fb73dd96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.903358][ T525] RAX: ffffffffffffffda RBX: 00007fb73df54030 RCX: 00007fb73de410e9 [ 47.911398][ T525] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.919341][ T525] RBP: 00007fb73dd961d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.927374][ T525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.935318][ T525] R13: 00007ffe32dbcc8f R14: 00007fb73dd96300 R15: 0000000000022000 [ 47.958732][ C0] !!! css_killed_ref_fn css ffff88810edcf800 !!! [ 47.965120][ C0] !!! css_killed_ref_fn css ffff88810edcf000 !!! [ 47.971451][ C0] !!! css_killed_ref_fn css ffff88810dde7000 !!! [ 47.977952][ C0] !!! css_killed_ref_fn css ffff88810dde7800 !!! [ 47.984284][ C0] !!! css_killed_ref_fn css ffff88810dde7c00 !!! [ 47.990631][ C0] !!! css_killed_ref_fn css ffff88810dde7400 !!! [ 47.996977][ T382] !!! css_release css ffff88810edcf800 !!! [ 48.002988][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810edcf800 !!! [ 48.010908][ T73] !!! css_release css ffff88810edcf000 !!! [ 48.016712][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810edcf000 !!! [ 48.025156][ T73] !!! css_release css ffff88810dde7000 !!! [ 48.031139][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810dde7000 !!! [ 48.038683][ T73] !!! css_release css ffff88810dde7800 !!! [ 48.044558][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810dde7800 !!! [ 48.052174][ T73] !!! css_release css ffff88810dde7c00 !!! [ 48.057994][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810dde7c00 !!! [ 48.065489][ T73] !!! css_release css ffff88810dde7400 !!! [ 48.071395][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810dde7400 !!! [ 48.079000][ T540] FAULT_INJECTION: forcing a failure. [ 48.079000][ T540] name failslab, interval 1, probability 0, space 0, times 0 [ 48.091707][ T540] CPU: 0 PID: 540 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 48.103336][ T540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.113545][ T540] Call Trace: [ 48.116912][ T540] dump_stack+0x19c/0x1e2 [ 48.121228][ T540] should_fail+0x3f7/0x5b0 [ 48.125625][ T540] __should_failslab+0xd2/0x130 [ 48.130448][ T540] should_failslab+0x9/0x20 [ 48.134937][ T540] slab_pre_alloc_hook+0x25/0xe0 [ 48.139850][ T540] ? __kernfs_new_node+0x4c/0x6d0 [ 48.144851][ T540] __kmalloc_track_caller+0x70/0x300 [ 48.150166][ T540] ? __kernfs_new_node+0x4c/0x6d0 [ 48.155167][ T540] kstrdup_const+0x55/0x90 [ 48.159573][ T540] __kernfs_new_node+0x4c/0x6d0 [ 48.164402][ T540] ? string+0x29f/0x2b0 [ 48.168541][ T540] ? vsnprintf+0x1a6c/0x1b30 [ 48.173205][ T540] kernfs_new_node+0x97/0x170 [ 48.178017][ T540] __kernfs_create_file+0x4a/0x270 [ 48.183931][ T540] cgroup_addrm_files+0x99e/0xeb0 [ 48.188963][ T540] ? delete_node+0x747/0x7a0 [ 48.193712][ T540] css_populate_dir+0x137/0x370 [ 48.198888][ T540] cgroup_apply_control_enable+0x5cd/0xf70 [ 48.205021][ T540] cgroup_apply_control+0x36/0x710 [ 48.210118][ T540] ? init_wait_entry+0xe0/0xe0 [ 48.214875][ T540] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.220178][ T540] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.226161][ T540] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.232218][ T540] cgroup_file_write+0x22f/0x4f0 [ 48.237258][ T540] kernfs_fop_write_iter+0x2cd/0x410 [ 48.242612][ T540] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.247700][ T540] vfs_write+0xb57/0xe50 [ 48.251939][ T540] ksys_write+0x157/0x260 [ 48.256533][ T540] __x64_sys_write+0x7b/0x90 [ 48.261106][ T540] do_syscall_64+0x34/0x70 [ 48.265673][ T540] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.271542][ T540] RIP: 0033:0x7f9ef7df60e9 [ 48.275928][ T540] 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 [ 48.295869][ T540] RSP: 002b:00007f9ef7d4b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.304258][ T540] RAX: ffffffffffffffda RBX: 00007f9ef7f09030 RCX: 00007f9ef7df60e9 [ 48.312206][ T540] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.320158][ T540] RBP: 00007f9ef7d4b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.328109][ T540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.336147][ T540] R13: 00007ffd87f29d6f R14: 00007f9ef7d4b300 R15: 0000000000022000 [ 48.344208][ T540] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.378657][ C0] !!! css_killed_ref_fn css ffff88810ee51c00 !!! [ 48.385038][ C0] !!! css_killed_ref_fn css ffff88810ee50800 !!! [ 48.391582][ C0] !!! css_killed_ref_fn css ffff88810ee51000 !!! [ 48.397984][ T73] !!! css_release css ffff88810ee51c00 !!! [ 48.403927][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810ee51c00 !!! [ 48.411496][ T73] !!! css_release css ffff88810ee50800 !!! [ 48.417519][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810ee50800 !!! [ 48.425229][ T73] !!! css_release css ffff88810ee51000 !!! [ 48.431114][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810ee51000 !!! [ 48.439002][ T534] FAULT_INJECTION: forcing a failure. [ 48.439002][ T534] name failslab, interval 1, probability 0, space 0, times 0 [ 48.451678][ T534] CPU: 1 PID: 534 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 48.463181][ T534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.473205][ T534] Call Trace: [ 48.476471][ T534] dump_stack+0x19c/0x1e2 [ 48.480768][ T534] should_fail+0x3f7/0x5b0 [ 48.485151][ T534] __should_failslab+0xd2/0x130 [ 48.489972][ T534] should_failslab+0x9/0x20 [ 48.494451][ T534] slab_pre_alloc_hook+0x25/0xe0 [ 48.499356][ T534] ? __kernfs_new_node+0x4c/0x6d0 [ 48.504348][ T534] __kmalloc_track_caller+0x70/0x300 [ 48.509631][ T534] ? __kernfs_new_node+0x4c/0x6d0 [ 48.514648][ T534] kstrdup_const+0x55/0x90 [ 48.519028][ T534] __kernfs_new_node+0x4c/0x6d0 [ 48.523846][ T534] ? string+0x29f/0x2b0 [ 48.527967][ T534] ? vsnprintf+0x1a6c/0x1b30 [ 48.532613][ T534] kernfs_new_node+0x97/0x170 [ 48.537258][ T534] __kernfs_create_file+0x4a/0x270 [ 48.542349][ T534] cgroup_addrm_files+0x99e/0xeb0 [ 48.547363][ T534] ? delete_node+0x747/0x7a0 [ 48.552295][ T534] css_populate_dir+0x137/0x370 [ 48.557131][ T534] cgroup_apply_control_enable+0x5cd/0xf70 [ 48.562917][ T534] cgroup_apply_control+0x36/0x710 [ 48.568002][ T534] ? init_wait_entry+0xe0/0xe0 [ 48.572739][ T534] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.578011][ T534] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.584071][ T534] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.590032][ T534] cgroup_file_write+0x22f/0x4f0 [ 48.594957][ T534] kernfs_fop_write_iter+0x2cd/0x410 [ 48.600395][ T534] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.605480][ T534] vfs_write+0xb57/0xe50 [ 48.609696][ T534] ksys_write+0x157/0x260 [ 48.614096][ T534] __x64_sys_write+0x7b/0x90 [ 48.618840][ T534] do_syscall_64+0x34/0x70 [ 48.623225][ T534] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.629085][ T534] RIP: 0033:0x7f5152d1a0e9 [ 48.633472][ T534] 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 [ 48.653140][ T534] RSP: 002b:00007f5152c6f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.661529][ T534] RAX: ffffffffffffffda RBX: 00007f5152e2d030 RCX: 00007f5152d1a0e9 [ 48.669473][ T534] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.677429][ T534] RBP: 00007f5152c6f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.685388][ T534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.693347][ T534] R13: 00007ffc1b81870f R14: 00007f5152c6f300 R15: 0000000000022000 [ 48.702536][ T534] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.711449][ T425] ------------[ cut here ]------------ [ 48.716952][ T425] WARNING: CPU: 1 PID: 425 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 48.726070][ T425] Modules linked in: [ 48.730051][ T425] CPU: 1 PID: 425 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 48.741594][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.751829][ T425] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 48.757436][ T425] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 48.777066][ T425] RSP: 0018:ffffc90000cf7dd0 EFLAGS: 00010293 [ 48.783135][ T425] RAX: ffffffff81af00ac RBX: ffff88810e9983e0 RCX: ffff8881025c5b80 [ 48.791140][ T425] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 48.799127][ T425] RBP: ffffc90000cf7e40 R08: ffffffff81aefdd7 R09: fffff5200019efb2 [ 48.807170][ T425] R10: fffff5200019efb2 R11: 1ffff9200019efb1 R12: dffffc0000000000 [ 48.815434][ T425] R13: ffff88810e998300 R14: 00000000ffffffff R15: 0000000000000000 [ 48.823423][ T425] FS: 0000555556275400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 48.832468][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.839061][ T425] CR2: 000055555627eb38 CR3: 000000011abf5000 CR4: 00000000003506a0 [ 48.847035][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.855044][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.863035][ T425] Call Trace: [ 48.866319][ T425] path_umount+0x1ad/0xed0 [ 48.870737][ T425] __x64_sys_umount+0xe8/0x110 [ 48.875493][ T425] do_syscall_64+0x34/0x70 [ 48.880007][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.885981][ T425] RIP: 0033:0x7f5152d1b557 [ 48.890412][ T425] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.910049][ T425] RSP: 002b:00007ffc1b817868 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 48.918461][ T425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5152d1b557 [ 48.926447][ T425] RDX: 00007ffc1b817939 RSI: 000000000000000a RDI: 00007ffc1b817930 [ 48.934431][ T425] RBP: 00007ffc1b817930 R08: 00000000ffffffff R09: 00007ffc1b817700 [ 48.942490][ T425] R10: 0000555556276ba3 R11: 0000000000000246 R12: 00007f5152d731f8 [ 48.950458][ T425] R13: 00007ffc1b8189f0 R14: 0000555556276b00 R15: 00007ffc1b818a30 [ 48.958665][ T425] ---[ end trace 5f324761e0034459 ]--- [ 48.964170][ T425] ------------[ cut here ]------------ [ 48.969661][ T425] WARNING: CPU: 1 PID: 425 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 48.978272][ T425] Modules linked in: [ 48.978665][ C0] !!! css_killed_ref_fn css ffff88810d1fb800 !!! [ 48.982270][ T425] CPU: 1 PID: 425 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 48.988501][ C0] !!! css_killed_ref_fn css ffff88810d1f9400 !!! [ 49.000010][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.006307][ C0] !!! css_killed_ref_fn css ffff88810d1fac00 !!! [ 49.017360][ T425] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 49.022737][ T73] !!! css_release css ffff88810d1fb800 !!! [ 49.027877][ T425] Code: cd a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1e 02 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 0b 02 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 18 2d 20 86 80 e1 07 80 c1 03 38 c1 [ 49.033715][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810d1fb800 !!! [ 49.053806][ T425] RSP: 0018:ffffc90000cf7e30 EFLAGS: 00010293 [ 49.061209][ T5] !!! css_release css ffff88810d1f9400 !!! [ 49.067151][ T425] RAX: ffffffff81b00b75 RBX: ffffe8ffffd4501c RCX: ffff8881025c5b80 [ 49.072966][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810d1f9400 !!! [ 49.081035][ T425] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 49.088615][ T5] !!! css_release css ffff88810d1fac00 !!! [ 49.096361][ T425] RBP: ffffc90000cf7e80 R08: ffffffff81b00853 R09: fffff5200019efcd [ 49.102175][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810d1fac00 !!! [ 49.110326][ T425] R10: fffff5200019efcd R11: 1ffff9200019efcc R12: ffff88810e998348 [ 49.118670][ T522] FAULT_INJECTION: forcing a failure. [ 49.118670][ T522] name failslab, interval 1, probability 0, space 0, times 0 [ 49.126429][ T425] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 49.139050][ T522] CPU: 0 PID: 522 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 49.146988][ T425] FS: 0000555556275400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 49.158384][ T522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.158388][ T522] Call Trace: [ 49.158402][ T522] dump_stack+0x19c/0x1e2 [ 49.158412][ T522] should_fail+0x3f7/0x5b0 [ 49.158421][ T522] __should_failslab+0xd2/0x130 [ 49.158434][ T522] should_failslab+0x9/0x20 [ 49.167520][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.177365][ T522] slab_pre_alloc_hook+0x25/0xe0 [ 49.177376][ T522] ? __kernfs_new_node+0x4c/0x6d0 [ 49.177383][ T522] __kmalloc_track_caller+0x70/0x300 [ 49.177391][ T522] ? __kernfs_new_node+0x4c/0x6d0 [ 49.177399][ T522] kstrdup_const+0x55/0x90 [ 49.177407][ T522] __kernfs_new_node+0x4c/0x6d0 [ 49.177415][ T522] ? string+0x29f/0x2b0 [ 49.177422][ T522] ? vsnprintf+0x1a6c/0x1b30 [ 49.177431][ T522] kernfs_new_node+0x97/0x170 [ 49.177439][ T522] __kernfs_create_file+0x4a/0x270 [ 49.177448][ T522] cgroup_addrm_files+0x99e/0xeb0 [ 49.177458][ T522] ? delete_node+0x747/0x7a0 [ 49.177468][ T522] css_populate_dir+0x137/0x370 [ 49.177478][ T522] cgroup_apply_control_enable+0x5cd/0xf70 [ 49.177487][ T522] cgroup_apply_control+0x36/0x710 [ 49.177495][ T522] ? init_wait_entry+0xe0/0xe0 [ 49.177504][ T522] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.177514][ T522] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.177524][ T522] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.177532][ T522] cgroup_file_write+0x22f/0x4f0 [ 49.177540][ T522] kernfs_fop_write_iter+0x2cd/0x410 [ 49.177555][ T522] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.177563][ T522] vfs_write+0xb57/0xe50 [ 49.177573][ T522] ksys_write+0x157/0x260 [ 49.177582][ T522] __x64_sys_write+0x7b/0x90 [ 49.177591][ T522] do_syscall_64+0x34/0x70 [ 49.177601][ T522] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.177609][ T522] RIP: 0033:0x7fbffc9a20e9 [ 49.177618][ T522] 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 [ 49.177624][ T522] RSP: 002b:00007fbffc8f7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.177636][ T522] RAX: ffffffffffffffda RBX: 00007fbffcab5030 RCX: 00007fbffc9a20e9 [ 49.177642][ T522] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.177649][ T522] RBP: 00007fbffc8f71d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.177654][ T522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.177660][ T522] R13: 00007ffef0e0b80f R14: 00007fbffc8f7300 R15: 0000000000022000 [ 49.178296][ T522] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.181542][ T425] CR2: 000055555627eb38 CR3: 000000011abf5000 CR4: 00000000003506a0 [ 49.429312][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.437445][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.445717][ C0] !!! css_killed_ref_fn css ffff88810eeef800 !!! [ 49.445736][ C0] !!! css_killed_ref_fn css ffff88810eeef000 !!! [ 49.445740][ C0] !!! css_killed_ref_fn css ffff88810eeed000 !!! [ 49.464703][ T73] !!! css_release css ffff88810eeef800 !!! [ 49.464735][ T425] Call Trace: [ 49.470670][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810eeef800 !!! [ 49.474055][ T425] __cleanup_mnt+0x19/0x20 [ 49.481518][ T73] !!! css_release css ffff88810eeef000 !!! [ 49.486171][ T425] task_work_run+0x147/0x1b0 [ 49.491911][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810eeef000 !!! [ 49.496800][ T425] exit_to_user_mode_loop+0xc8/0xe0 [ 49.504288][ T73] !!! css_release css ffff88810eeed000 !!! [ 49.509554][ T425] syscall_exit_to_user_mode+0x77/0xa0 [ 49.515200][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810eeed000 !!! [ 49.520666][ T425] do_syscall_64+0x40/0x70 [ 49.528433][ T552] FAULT_INJECTION: forcing a failure. [ 49.528433][ T552] name failslab, interval 1, probability 0, space 0, times 0 [ 49.532691][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.545395][ T552] CPU: 0 PID: 552 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 49.551196][ T425] RIP: 0033:0x7f5152d1b557 [ 49.562554][ T552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.562558][ T552] Call Trace: [ 49.562569][ T552] dump_stack+0x19c/0x1e2 [ 49.562580][ T552] should_fail+0x3f7/0x5b0 [ 49.562593][ T552] __should_failslab+0xd2/0x130 [ 49.567009][ T425] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.577291][ T552] should_failslab+0x9/0x20 [ 49.577300][ T552] slab_pre_alloc_hook+0x25/0xe0 [ 49.577310][ T552] ? __kernfs_new_node+0x4c/0x6d0 [ 49.577316][ T552] __kmalloc_track_caller+0x70/0x300 [ 49.577330][ T552] ? __kernfs_new_node+0x4c/0x6d0 [ 49.580651][ T425] RSP: 002b:00007ffc1b817868 EFLAGS: 00000246 [ 49.585000][ T552] kstrdup_const+0x55/0x90 [ 49.585009][ T552] __kernfs_new_node+0x4c/0x6d0 [ 49.585021][ T552] ? string+0x29f/0x2b0 [ 49.589434][ T425] ORIG_RAX: 00000000000000a6 [ 49.594323][ T552] ? vsnprintf+0x1a6c/0x1b30 [ 49.594335][ T552] kernfs_new_node+0x97/0x170 [ 49.594343][ T552] __kernfs_create_file+0x4a/0x270 [ 49.594362][ T552] cgroup_addrm_files+0x99e/0xeb0 [ 49.614091][ T425] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5152d1b557 [ 49.618620][ T552] ? delete_node+0x747/0x7a0 [ 49.618632][ T552] css_populate_dir+0x137/0x370 [ 49.618649][ T552] cgroup_apply_control_enable+0x5cd/0xf70 [ 49.623840][ T425] RDX: 00007ffc1b817939 RSI: 000000000000000a RDI: 00007ffc1b817930 [ 49.628910][ T552] cgroup_apply_control+0x36/0x710 [ 49.628920][ T552] ? init_wait_entry+0xe0/0xe0 [ 49.628929][ T552] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.628939][ T552] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.628949][ T552] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.628957][ T552] cgroup_file_write+0x22f/0x4f0 [ 49.628974][ T552] kernfs_fop_write_iter+0x2cd/0x410 [ 49.634300][ T425] RBP: 00007ffc1b817930 R08: 00000000ffffffff R09: 00007ffc1b817700 [ 49.639404][ T552] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.639413][ T552] vfs_write+0xb57/0xe50 [ 49.639423][ T552] ksys_write+0x157/0x260 [ 49.639431][ T552] __x64_sys_write+0x7b/0x90 [ 49.639445][ T552] do_syscall_64+0x34/0x70 [ 49.645529][ T425] R10: 0000555556276ba3 R11: 0000000000000246 R12: 00007f5152d731f8 [ 49.649898][ T552] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.649906][ T552] RIP: 0033:0x7f9ef7df60e9 [ 49.649914][ T552] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.649920][ T552] RSP: 002b:00007f9ef7d4b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.654784][ T425] R13: 00007ffc1b8189f0 R14: 0000555556276b00 R15: 00007ffc1b818a30 [ 49.658876][ T552] RAX: ffffffffffffffda RBX: 00007f9ef7f09030 RCX: 00007f9ef7df60e9 [ 49.658882][ T552] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.658887][ T552] RBP: 00007f9ef7d4b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.658892][ T552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.658903][ T552] R13: 00007ffd87f29d6f R14: 00007f9ef7d4b300 R15: 0000000000022000 [ 49.663665][ T425] ---[ end trace 5f324761e003445a ]--- [ 49.671168][ T552] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.928805][ C1] !!! css_killed_ref_fn css ffff88810cd0bc00 !!! [ 49.935153][ C1] !!! css_killed_ref_fn css ffff88810cd0a000 !!! [ 49.941548][ T107] !!! css_release css ffff88810cd0bc00 !!! [ 49.947347][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810cd0bc00 !!! [ 49.955115][ C1] !!! css_killed_ref_fn css ffff88810cd08400 !!! [ 49.961519][ T107] !!! css_release css ffff88810cd0a000 !!! [ 49.967302][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810cd0a000 !!! [ 49.975223][ T107] !!! css_release css ffff88810cd08400 !!! [ 49.981086][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810cd08400 !!! [ 49.988703][ T543] FAULT_INJECTION: forcing a failure. [ 49.988703][ T543] name failslab, interval 1, probability 0, space 0, times 0 [ 50.001478][ T543] CPU: 0 PID: 543 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 50.013181][ T543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.023215][ T543] Call Trace: [ 50.026481][ T543] dump_stack+0x19c/0x1e2 [ 50.030780][ T543] should_fail+0x3f7/0x5b0 [ 50.035185][ T543] __should_failslab+0xd2/0x130 [ 50.040354][ T543] should_failslab+0x9/0x20 [ 50.044828][ T543] slab_pre_alloc_hook+0x25/0xe0 [ 50.049731][ T543] kmem_cache_alloc_trace+0x47/0x2b0 [ 50.054984][ T543] ? percpu_ref_init+0xd0/0x330 [ 50.059803][ T543] percpu_ref_init+0xd0/0x330 [ 50.064448][ T543] ? cgroup_setup_root+0x8a0/0x8a0 [ 50.069544][ T543] cgroup_apply_control_enable+0x3d2/0xf70 [ 50.075342][ T543] cgroup_apply_control+0x36/0x710 [ 50.080454][ T543] ? init_wait_entry+0xe0/0xe0 [ 50.085321][ T543] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.090583][ T543] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.096547][ T543] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.102635][ T543] cgroup_file_write+0x22f/0x4f0 [ 50.107556][ T543] kernfs_fop_write_iter+0x2cd/0x410 [ 50.112997][ T543] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.118086][ T543] vfs_write+0xb57/0xe50 [ 50.122302][ T543] ksys_write+0x157/0x260 [ 50.126636][ T543] __x64_sys_write+0x7b/0x90 [ 50.131216][ T543] do_syscall_64+0x34/0x70 [ 50.135614][ T543] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.141484][ T543] RIP: 0033:0x7f27589320e9 [ 50.145972][ T543] 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 [ 50.165563][ T543] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.173953][ T543] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 50.181897][ T543] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.189841][ T543] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.197805][ T543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.206092][ T543] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 50.238679][ C0] !!! css_killed_ref_fn css ffff88810f5c5400 !!! [ 50.245141][ C0] !!! css_killed_ref_fn css ffff88810f5c7800 !!! [ 50.251526][ T73] !!! css_release css ffff88810f5c5400 !!! [ 50.257312][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810f5c5400 !!! [ 50.264933][ T73] !!! css_release css ffff88810f5c7800 !!! [ 50.270768][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810f5c7800 !!! [ 50.278357][ T549] FAULT_INJECTION: forcing a failure. [ 50.278357][ T549] name failslab, interval 1, probability 0, space 0, times 0 [ 50.291110][ T549] CPU: 1 PID: 549 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 50.302796][ T549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.312839][ T549] Call Trace: [ 50.316115][ T549] dump_stack+0x19c/0x1e2 [ 50.320421][ T549] should_fail+0x3f7/0x5b0 [ 50.324809][ T549] __should_failslab+0xd2/0x130 [ 50.330552][ T549] should_failslab+0x9/0x20 [ 50.335043][ T549] slab_pre_alloc_hook+0x25/0xe0 [ 50.339950][ T549] kmem_cache_alloc_trace+0x47/0x2b0 [ 50.345207][ T549] ? percpu_ref_init+0xd0/0x330 [ 50.350036][ T549] percpu_ref_init+0xd0/0x330 [ 50.354695][ T549] ? cgroup_setup_root+0x8a0/0x8a0 [ 50.359785][ T549] cgroup_apply_control_enable+0x3d2/0xf70 [ 50.365575][ T549] cgroup_apply_control+0x36/0x710 [ 50.370670][ T549] ? init_wait_entry+0xe0/0xe0 [ 50.375413][ T549] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.380682][ T549] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.386672][ T549] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.392632][ T549] cgroup_file_write+0x22f/0x4f0 [ 50.397655][ T549] kernfs_fop_write_iter+0x2cd/0x410 [ 50.402923][ T549] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.408210][ T549] vfs_write+0xb57/0xe50 [ 50.412426][ T549] ksys_write+0x157/0x260 [ 50.416742][ T549] __x64_sys_write+0x7b/0x90 [ 50.421310][ T549] do_syscall_64+0x34/0x70 [ 50.425702][ T549] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.431687][ T549] RIP: 0033:0x7fb73de410e9 [ 50.436088][ T549] 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 [ 50.455683][ T549] RSP: 002b:00007fb73dd96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.464251][ T549] RAX: ffffffffffffffda RBX: 00007fb73df54030 RCX: 00007fb73de410e9 [ 50.472285][ T549] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.480316][ T549] RBP: 00007fb73dd961d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.488266][ T549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.496329][ T549] R13: 00007ffe32dbcc8f R14: 00007fb73dd96300 R15: 0000000000022000 [ 50.538621][ C1] !!! css_killed_ref_fn css ffff88810f4ab800 !!! [ 50.545016][ C1] !!! css_killed_ref_fn css ffff88810f4ab000 !!! [ 50.551437][ T107] !!! css_release css ffff88810f4ab800 !!! [ 50.557415][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f4ab800 !!! [ 50.564978][ T107] !!! css_release css ffff88810f4ab000 !!! [ 50.571332][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f4ab000 !!! [ 50.579105][ T555] FAULT_INJECTION: forcing a failure. [ 50.579105][ T555] name failslab, interval 1, probability 0, space 0, times 0 [ 50.591858][ T555] CPU: 1 PID: 555 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 50.603475][ T555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.613646][ T555] Call Trace: [ 50.617013][ T555] dump_stack+0x19c/0x1e2 [ 50.621327][ T555] should_fail+0x3f7/0x5b0 [ 50.625725][ T555] __should_failslab+0xd2/0x130 [ 50.630897][ T555] should_failslab+0x9/0x20 [ 50.635394][ T555] slab_pre_alloc_hook+0x25/0xe0 [ 50.640313][ T555] ? __kernfs_new_node+0x4c/0x6d0 [ 50.645419][ T555] __kmalloc_track_caller+0x70/0x300 [ 50.650678][ T555] ? __kernfs_new_node+0x4c/0x6d0 [ 50.655690][ T555] kstrdup_const+0x55/0x90 [ 50.660080][ T555] __kernfs_new_node+0x4c/0x6d0 [ 50.664911][ T555] ? string+0x29f/0x2b0 [ 50.669049][ T555] ? vsnprintf+0x1a6c/0x1b30 [ 50.673611][ T555] kernfs_new_node+0x97/0x170 [ 50.678294][ T555] __kernfs_create_file+0x4a/0x270 [ 50.683535][ T555] cgroup_addrm_files+0x99e/0xeb0 [ 50.688659][ T555] ? delete_node+0x747/0x7a0 [ 50.693243][ T555] css_populate_dir+0x137/0x370 [ 50.698330][ T555] cgroup_apply_control_enable+0x5cd/0xf70 [ 50.704290][ T555] cgroup_apply_control+0x36/0x710 [ 50.709475][ T555] ? init_wait_entry+0xe0/0xe0 [ 50.714219][ T555] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.719491][ T555] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.725452][ T555] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.731413][ T555] cgroup_file_write+0x22f/0x4f0 [ 50.736412][ T555] kernfs_fop_write_iter+0x2cd/0x410 [ 50.741787][ T555] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.746892][ T555] vfs_write+0xb57/0xe50 [ 50.751124][ T555] ksys_write+0x157/0x260 [ 50.755430][ T555] __x64_sys_write+0x7b/0x90 [ 50.760169][ T555] do_syscall_64+0x34/0x70 [ 50.764562][ T555] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.770432][ T555] RIP: 0033:0x7fbffc9a20e9 [ 50.774821][ T555] 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 [ 50.794587][ T555] RSP: 002b:00007fbffc8f7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.802989][ T555] RAX: ffffffffffffffda RBX: 00007fbffcab5030 RCX: 00007fbffc9a20e9 [ 50.810944][ T555] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.818909][ T555] RBP: 00007fbffc8f71d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.826862][ T555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.834833][ T555] R13: 00007ffef0e0b80f R14: 00007fbffc8f7300 R15: 0000000000022000 [ 50.843428][ T555] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.888627][ C0] !!! css_killed_ref_fn css ffff88810f562800 !!! [ 50.895467][ C0] !!! css_killed_ref_fn css ffff88810f560000 !!! [ 50.901807][ C0] !!! css_killed_ref_fn css ffff88810f562c00 !!! [ 50.908212][ T73] !!! css_release css ffff88810f562800 !!! [ 50.914060][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810f562800 !!! [ 50.922051][ T73] !!! css_release css ffff88810f560000 !!! [ 50.927841][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810f560000 !!! [ 50.935527][ T73] !!! css_release css ffff88810f562c00 !!! [ 50.941575][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810f562c00 !!! [ 50.949334][ T567] FAULT_INJECTION: forcing a failure. [ 50.949334][ T567] name failslab, interval 1, probability 0, space 0, times 0 [ 50.961946][ T567] CPU: 1 PID: 567 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 50.973933][ T567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.983970][ T567] Call Trace: [ 50.987257][ T567] dump_stack+0x19c/0x1e2 [ 50.991564][ T567] should_fail+0x3f7/0x5b0 [ 50.995955][ T567] __should_failslab+0xd2/0x130 [ 51.000792][ T567] should_failslab+0x9/0x20 [ 51.005270][ T567] slab_pre_alloc_hook+0x25/0xe0 [ 51.010185][ T567] ? __kernfs_new_node+0x4c/0x6d0 [ 51.015187][ T567] __kmalloc_track_caller+0x70/0x300 [ 51.020460][ T567] ? __kernfs_new_node+0x4c/0x6d0 [ 51.025629][ T567] kstrdup_const+0x55/0x90 [ 51.030024][ T567] __kernfs_new_node+0x4c/0x6d0 [ 51.034863][ T567] ? string+0x29f/0x2b0 [ 51.039002][ T567] ? vsnprintf+0x1a6c/0x1b30 [ 51.043599][ T567] kernfs_new_node+0x97/0x170 [ 51.048256][ T567] __kernfs_create_file+0x4a/0x270 [ 51.053343][ T567] cgroup_addrm_files+0x99e/0xeb0 [ 51.058339][ T567] ? delete_node+0x747/0x7a0 [ 51.063007][ T567] css_populate_dir+0x137/0x370 [ 51.067922][ T567] cgroup_apply_control_enable+0x5cd/0xf70 [ 51.073699][ T567] cgroup_apply_control+0x36/0x710 [ 51.078779][ T567] ? init_wait_entry+0xe0/0xe0 [ 51.083514][ T567] ? cgroup_kn_lock_live+0x1af/0x370 [ 51.088785][ T567] cgroup_subtree_control_write+0xd05/0x12d0 [ 51.094773][ T567] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 51.100746][ T567] cgroup_file_write+0x22f/0x4f0 [ 51.105664][ T567] kernfs_fop_write_iter+0x2cd/0x410 [ 51.110945][ T567] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.116029][ T567] vfs_write+0xb57/0xe50 [ 51.120241][ T567] ksys_write+0x157/0x260 [ 51.124540][ T567] __x64_sys_write+0x7b/0x90 [ 51.129100][ T567] do_syscall_64+0x34/0x70 [ 51.133549][ T567] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.139497][ T567] RIP: 0033:0x7f27589320e9 [ 51.143881][ 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 [ 51.163462][ T567] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.171955][ T567] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 51.180335][ T567] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.188285][ T567] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.196230][ T567] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.204956][ T567] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 51.214118][ T567] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.248648][ C0] !!! css_killed_ref_fn css ffff88810f54b400 !!! [ 51.255203][ C0] !!! css_killed_ref_fn css ffff88810f54a800 !!! [ 51.261549][ C0] !!! css_killed_ref_fn css ffff88810f548000 !!! [ 51.268607][ T73] !!! css_release css ffff88810f54b400 !!! [ 51.274424][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810f54b400 !!! [ 51.282060][ T382] !!! css_release css ffff88810f54a800 !!! [ 51.287867][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f54a800 !!! [ 51.295807][ T382] !!! css_release css ffff88810f548000 !!! [ 51.301701][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f548000 !!! [ 51.309400][ T570] FAULT_INJECTION: forcing a failure. [ 51.309400][ T570] name failslab, interval 1, probability 0, space 0, times 0 [ 51.322137][ T570] CPU: 0 PID: 570 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 51.333673][ T570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.343704][ T570] Call Trace: [ 51.346981][ T570] dump_stack+0x19c/0x1e2 [ 51.351327][ T570] should_fail+0x3f7/0x5b0 [ 51.355736][ T570] __should_failslab+0xd2/0x130 [ 51.360573][ T570] should_failslab+0x9/0x20 [ 51.365055][ T570] slab_pre_alloc_hook+0x25/0xe0 [ 51.369964][ T570] ? __kernfs_new_node+0x4c/0x6d0 [ 51.374960][ T570] __kmalloc_track_caller+0x70/0x300 [ 51.380229][ T570] ? __kernfs_new_node+0x4c/0x6d0 [ 51.385236][ T570] kstrdup_const+0x55/0x90 [ 51.389710][ T570] __kernfs_new_node+0x4c/0x6d0 [ 51.394596][ T570] ? string+0x29f/0x2b0 [ 51.398725][ T570] ? vsnprintf+0x1a6c/0x1b30 [ 51.403380][ T570] kernfs_new_node+0x97/0x170 [ 51.408173][ T570] __kernfs_create_file+0x4a/0x270 [ 51.413262][ T570] cgroup_addrm_files+0x99e/0xeb0 [ 51.418778][ T570] ? delete_node+0x747/0x7a0 [ 51.423347][ T570] css_populate_dir+0x137/0x370 [ 51.428182][ T570] cgroup_apply_control_enable+0x5cd/0xf70 [ 51.433966][ T570] cgroup_apply_control+0x36/0x710 [ 51.439134][ T570] ? init_wait_entry+0xe0/0xe0 [ 51.443965][ T570] ? cgroup_kn_lock_live+0x1af/0x370 [ 51.449223][ T570] cgroup_subtree_control_write+0xd05/0x12d0 [ 51.455173][ T570] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 51.461212][ T570] cgroup_file_write+0x22f/0x4f0 [ 51.466123][ T570] kernfs_fop_write_iter+0x2cd/0x410 [ 51.471382][ T570] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.476469][ T570] vfs_write+0xb57/0xe50 [ 51.480690][ T570] ksys_write+0x157/0x260 [ 51.485598][ T570] __x64_sys_write+0x7b/0x90 [ 51.490168][ T570] do_syscall_64+0x34/0x70 [ 51.494555][ T570] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.500508][ T570] RIP: 0033:0x7fb73de410e9 [ 51.504898][ 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 [ 51.524492][ T570] RSP: 002b:00007fb73dd96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.532982][ T570] RAX: ffffffffffffffda RBX: 00007fb73df54030 RCX: 00007fb73de410e9 [ 51.540928][ T570] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.548868][ T570] RBP: 00007fb73dd961d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.556821][ T570] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.564762][ T570] R13: 00007ffe32dbcc8f R14: 00007fb73dd96300 R15: 0000000000022000 [ 51.573474][ T570] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.582147][ T429] ------------[ cut here ]------------ [ 51.587746][ T429] WARNING: CPU: 1 PID: 429 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 51.596807][ T429] Modules linked in: [ 51.600701][ T429] CPU: 1 PID: 429 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 51.612236][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.622297][ T429] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 51.627914][ T429] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 51.647519][ T429] RSP: 0018:ffffc90000f57d58 EFLAGS: 00010293 [ 51.653593][ T429] RAX: ffffffff81af00ac RBX: ffff88810d4f18e0 RCX: ffff88810925adc0 [ 51.661560][ T429] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 51.669526][ T429] RBP: ffffc90000f57dc8 R08: ffffffff81aefdd7 R09: fffff520001eafa3 [ 51.677475][ T429] R10: fffff520001eafa3 R11: 1ffff920001eafa2 R12: dffffc0000000000 [ 51.685532][ T429] R13: ffff88810d4f1800 R14: 00000000ffffffff R15: 0000000000000000 [ 51.693505][ T429] FS: 0000555556436400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 51.702434][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.709189][ T429] CR2: 000055555643fb38 CR3: 00000001086d1000 CR4: 00000000003506a0 [ 51.717160][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.725139][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.733107][ T429] Call Trace: [ 51.736551][ T429] ? init_wait_entry+0xe0/0xe0 [ 51.741316][ T429] ? up_write+0x68/0x140 [ 51.745543][ T429] namespace_unlock+0x377/0x420 [ 51.750379][ T429] path_umount+0xe23/0xed0 [ 51.754866][ T429] __x64_sys_umount+0xe8/0x110 [ 51.759638][ T429] do_syscall_64+0x34/0x70 [ 51.764468][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.770346][ T429] RIP: 0033:0x7fb73de42557 [ 51.774739][ T429] 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 [ 51.794416][ T429] RSP: 002b:00007ffe32dbbde8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 51.802831][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb73de42557 [ 51.810794][ T429] RDX: 00007ffe32dbbeb9 RSI: 000000000000000a RDI: 00007ffe32dbbeb0 [ 51.818757][ T429] RBP: 00007ffe32dbbeb0 R08: 00000000ffffffff R09: 00007ffe32dbbc80 [ 51.826792][ T429] R10: 0000555556437ba3 R11: 0000000000000246 R12: 00007fb73de9a1f8 [ 51.834873][ T429] R13: 00007ffe32dbcf70 R14: 0000555556437b00 R15: 00007ffe32dbcfb0 [ 51.842927][ T429] ---[ end trace 5f324761e003445b ]--- [ 51.848433][ T429] ------------[ cut here ]------------ [ 51.854039][ T429] WARNING: CPU: 0 PID: 429 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 51.863333][ C0] !!! css_killed_ref_fn css ffff88810f799400 !!! [ 51.863355][ C0] !!! css_killed_ref_fn css ffff88810f79ac00 !!! [ 51.863361][ C0] !!! css_killed_ref_fn css ffff88810f798000 !!! [ 51.882378][ T429] Modules linked in: [ 51.886257][ T429] CPU: 0 PID: 429 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 51.897958][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.908036][ T429] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 51.913666][ T429] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 51.933363][ T429] RSP: 0018:ffffc90000f57dd0 EFLAGS: 00010293 [ 51.939423][ T429] RAX: ffffffff81af00ac RBX: ffff88810d4f18e0 RCX: ffff88810925adc0 [ 51.947721][ T429] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 51.955763][ T429] RBP: ffffc90000f57e40 R08: ffffffff81aefdd7 R09: fffff520001eafb2 [ 51.963729][ T429] R10: fffff520001eafb2 R11: 1ffff920001eafb1 R12: dffffc0000000000 [ 51.971689][ T429] R13: ffff88810d4f1800 R14: 00000000fffffffe R15: 0000000000000000 [ 51.979652][ T429] FS: 0000555556436400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 51.988568][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.995143][ T429] CR2: 00007f2758a45028 CR3: 00000001086d1000 CR4: 00000000003506b0 [ 52.003104][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.011066][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.019026][ T429] Call Trace: [ 52.022294][ T429] path_umount+0x1ad/0xed0 [ 52.026691][ T429] __x64_sys_umount+0xe8/0x110 [ 52.031440][ T429] do_syscall_64+0x34/0x70 [ 52.035836][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.041718][ T429] RIP: 0033:0x7fb73de42557 [ 52.046111][ T429] 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 [ 52.065729][ T429] RSP: 002b:00007ffe32dbbde8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 52.074310][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb73de42557 [ 52.082285][ T429] RDX: 00007ffe32dbbeb9 RSI: 000000000000000a RDI: 00007ffe32dbbeb0 [ 52.090250][ T429] RBP: 00007ffe32dbbeb0 R08: 00000000ffffffff R09: 00007ffe32dbbc80 [ 52.098287][ T429] R10: 0000555556437ba3 R11: 0000000000000246 R12: 00007fb73de9a1f8 [ 52.106248][ T429] R13: 00007ffe32dbcf70 R14: 0000555556437b00 R15: 00007ffe32dbcfb0 [ 52.114360][ T429] ---[ end trace 5f324761e003445c ]--- [ 52.120038][ T73] !!! css_release css ffff88810f799400 !!! [ 52.125845][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810f799400 !!! [ 52.133756][ T382] !!! css_release css ffff88810f79ac00 !!! [ 52.139841][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f79ac00 !!! [ 52.147747][ T576] FAULT_INJECTION: forcing a failure. [ 52.147747][ T576] name failslab, interval 1, probability 0, space 0, times 0 [ 52.160508][ T576] CPU: 1 PID: 576 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 52.172391][ T576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.182432][ T576] Call Trace: [ 52.185699][ T576] dump_stack+0x19c/0x1e2 [ 52.190523][ T576] should_fail+0x3f7/0x5b0 [ 52.194911][ T576] __should_failslab+0xd2/0x130 [ 52.199815][ T576] should_failslab+0x9/0x20 [ 52.204371][ T576] slab_pre_alloc_hook+0x25/0xe0 [ 52.209280][ T576] kmem_cache_alloc_trace+0x47/0x2b0 [ 52.214545][ T576] ? percpu_ref_init+0xd0/0x330 [ 52.219366][ T576] percpu_ref_init+0xd0/0x330 [ 52.224188][ T576] ? cgroup_setup_root+0x8a0/0x8a0 [ 52.229268][ T576] cgroup_apply_control_enable+0x3d2/0xf70 [ 52.235038][ T576] cgroup_apply_control+0x36/0x710 [ 52.240114][ T576] ? init_wait_entry+0xe0/0xe0 [ 52.244849][ T576] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.250101][ T576] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.256224][ T576] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.262275][ T576] cgroup_file_write+0x22f/0x4f0 [ 52.267190][ T576] kernfs_fop_write_iter+0x2cd/0x410 [ 52.272455][ T576] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.277538][ T576] vfs_write+0xb57/0xe50 [ 52.281766][ T576] ksys_write+0x157/0x260 [ 52.286064][ T576] __x64_sys_write+0x7b/0x90 [ 52.290631][ T576] do_syscall_64+0x34/0x70 [ 52.295025][ T576] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.300894][ T576] RIP: 0033:0x7f27589320e9 [ 52.305284][ 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 [ 52.324945][ T576] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.333357][ T576] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 52.341305][ T576] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/05/27 19:35:57 executed programs: 44 [ 52.349521][ T576] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.357468][ T576] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.365411][ T576] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 52.408624][ C0] !!! css_killed_ref_fn css ffff88810d29c800 !!! [ 52.415108][ C0] !!! css_killed_ref_fn css ffff88810d29dc00 !!! [ 52.421506][ T5] !!! css_release css ffff88810d29c800 !!! [ 52.427303][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810d29c800 !!! [ 52.435017][ T5] !!! css_release css ffff88810d29dc00 !!! [ 52.440855][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810d29dc00 !!! [ 52.448424][ T573] FAULT_INJECTION: forcing a failure. [ 52.448424][ T573] name failslab, interval 1, probability 0, space 0, times 0 [ 52.461208][ T573] CPU: 0 PID: 573 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 52.472985][ T573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.483106][ T573] Call Trace: [ 52.486369][ T573] dump_stack+0x19c/0x1e2 [ 52.490807][ T573] should_fail+0x3f7/0x5b0 [ 52.495402][ T573] __should_failslab+0xd2/0x130 [ 52.500361][ T573] should_failslab+0x9/0x20 [ 52.504880][ T573] slab_pre_alloc_hook+0x25/0xe0 [ 52.509977][ T573] kmem_cache_alloc_trace+0x47/0x2b0 [ 52.515262][ T573] ? percpu_ref_init+0xd0/0x330 [ 52.520101][ T573] percpu_ref_init+0xd0/0x330 [ 52.524757][ T573] ? cgroup_setup_root+0x8a0/0x8a0 [ 52.529852][ T573] cgroup_apply_control_enable+0x3d2/0xf70 [ 52.535632][ T573] cgroup_apply_control+0x36/0x710 [ 52.540799][ T573] ? init_wait_entry+0xe0/0xe0 [ 52.545544][ T573] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.550813][ T573] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.556764][ T573] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.562810][ T573] cgroup_file_write+0x22f/0x4f0 [ 52.567722][ T573] kernfs_fop_write_iter+0x2cd/0x410 [ 52.573326][ T573] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.578409][ T573] vfs_write+0xb57/0xe50 [ 52.582628][ T573] ksys_write+0x157/0x260 [ 52.586932][ T573] __x64_sys_write+0x7b/0x90 [ 52.591502][ T573] do_syscall_64+0x34/0x70 [ 52.595893][ T573] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.601761][ T573] RIP: 0033:0x7fbffc9a20e9 [ 52.606239][ 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 [ 52.625829][ T573] RSP: 002b:00007fbffc8f7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.634564][ T573] RAX: ffffffffffffffda RBX: 00007fbffcab5030 RCX: 00007fbffc9a20e9 [ 52.642522][ T573] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.650568][ T573] RBP: 00007fbffc8f71d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.658515][ T573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.666475][ T573] R13: 00007ffef0e0b80f R14: 00007fbffc8f7300 R15: 0000000000022000 [ 52.676310][ T421] ------------[ cut here ]------------ [ 52.681824][ T421] WARNING: CPU: 1 PID: 421 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 52.690759][ T421] Modules linked in: [ 52.694728][ T421] CPU: 1 PID: 421 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 52.706280][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.716356][ T421] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 52.721987][ T421] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 52.741617][ T421] RSP: 0018:ffffc90000c97d58 EFLAGS: 00010293 [ 52.747685][ T421] RAX: ffffffff81af00ac RBX: ffff88810e999160 RCX: ffff8881025c3d00 [ 52.755671][ T421] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 52.763660][ T421] RBP: ffffc90000c97dc8 R08: ffffffff81aefdd7 R09: fffff52000192fa3 [ 52.773254][ T421] R10: fffff52000192fa3 R11: 1ffff92000192fa2 R12: dffffc0000000000 [ 52.781249][ T421] R13: ffff88810e999080 R14: 00000000ffffffff R15: 0000000000000000 [ 52.789232][ T421] FS: 00005555565b5400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 52.798153][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.804767][ T421] CR2: 00005555565beb38 CR3: 0000000114dd4000 CR4: 00000000003506a0 [ 52.812867][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.820850][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.828838][ T421] Call Trace: [ 52.832105][ T421] ? init_wait_entry+0xe0/0xe0 [ 52.836840][ T421] ? up_write+0x68/0x140 [ 52.841086][ T421] namespace_unlock+0x377/0x420 [ 52.845937][ T421] path_umount+0xe23/0xed0 [ 52.850348][ T421] __x64_sys_umount+0xe8/0x110 [ 52.855099][ T421] do_syscall_64+0x34/0x70 [ 52.859520][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.865404][ T421] RIP: 0033:0x7fbffc9a3557 [ 52.869814][ T421] 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 [ 52.889434][ T421] RSP: 002b:00007ffef0e0a968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 52.897914][ T421] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbffc9a3557 [ 52.905974][ T421] RDX: 00007ffef0e0aa39 RSI: 000000000000000a RDI: 00007ffef0e0aa30 [ 52.913939][ T421] RBP: 00007ffef0e0aa30 R08: 00000000ffffffff R09: 00007ffef0e0a800 [ 52.921913][ T421] R10: 00005555565b6ba3 R11: 0000000000000246 R12: 00007fbffc9fb1f8 [ 52.930007][ T421] R13: 00007ffef0e0baf0 R14: 00005555565b6b00 R15: 00007ffef0e0bb30 [ 52.938139][ T421] ---[ end trace 5f324761e003445d ]--- [ 52.943760][ T421] ------------[ cut here ]------------ [ 52.949245][ T421] WARNING: CPU: 1 PID: 421 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 52.958149][ T421] Modules linked in: [ 52.958621][ C0] !!! css_killed_ref_fn css ffff88810f993400 !!! [ 52.962126][ T421] CPU: 1 PID: 421 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 52.968381][ C0] !!! css_killed_ref_fn css ffff88810f992800 !!! [ 52.980072][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.986471][ T382] !!! css_release css ffff88810f993400 !!! [ 52.996654][ T421] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 52.996668][ T421] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 53.003220][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f993400 !!! [ 53.008338][ T421] RSP: 0018:ffffc90000c97dd0 EFLAGS: 00010293 [ 53.008350][ T421] RAX: ffffffff81af00ac RBX: ffff88810e999160 RCX: ffff8881025c3d00 [ 53.008356][ T421] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 53.008368][ T421] RBP: ffffc90000c97e40 R08: ffffffff81aefdd7 R09: fffff52000192fb2 [ 53.029308][ T382] !!! css_release css ffff88810f992800 !!! [ 53.035862][ T421] R10: fffff52000192fb2 R11: 1ffff92000192fb1 R12: dffffc0000000000 [ 53.042458][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f992800 !!! [ 53.050231][ T421] R13: ffff88810e999080 R14: 00000000fffffffe R15: 0000000000000000 [ 53.050240][ T421] FS: 00005555565b5400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 53.050251][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.058680][ T582] FAULT_INJECTION: forcing a failure. [ 53.058680][ T582] name failslab, interval 1, probability 0, space 0, times 0 [ 53.066339][ T421] CR2: 00005555565beb38 CR3: 0000000114dd4000 CR4: 00000000003506a0 [ 53.066350][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.072368][ T582] CPU: 0 PID: 582 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 53.080137][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.087548][ T582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.095555][ T421] Call Trace: [ 53.104499][ T582] Call Trace: [ 53.104514][ T582] dump_stack+0x19c/0x1e2 [ 53.104528][ T582] should_fail+0x3f7/0x5b0 [ 53.111185][ T421] path_umount+0x1ad/0xed0 [ 53.123720][ T582] __should_failslab+0xd2/0x130 [ 53.123733][ T582] should_failslab+0x9/0x20 [ 53.131686][ T421] __x64_sys_umount+0xe8/0x110 [ 53.139621][ T582] slab_pre_alloc_hook+0x25/0xe0 [ 53.139635][ T582] ? __kernfs_new_node+0x4c/0x6d0 [ 53.151160][ T421] do_syscall_64+0x34/0x70 [ 53.159093][ T582] __kmalloc_track_caller+0x70/0x300 [ 53.159101][ T582] ? __kernfs_new_node+0x4c/0x6d0 [ 53.159112][ T582] kstrdup_const+0x55/0x90 [ 53.169323][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.172572][ T582] __kernfs_new_node+0x4c/0x6d0 [ 53.175828][ T421] RIP: 0033:0x7fbffc9a3557 [ 53.180127][ T582] ? string+0x29f/0x2b0 [ 53.180134][ T582] ? vsnprintf+0x1a6c/0x1b30 [ 53.180147][ T582] kernfs_new_node+0x97/0x170 [ 53.184573][ T421] 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 [ 53.188962][ T582] __kernfs_create_file+0x4a/0x270 [ 53.188976][ T582] cgroup_addrm_files+0x99e/0xeb0 [ 53.188988][ T582] ? delete_node+0x747/0x7a0 [ 53.193804][ T421] RSP: 002b:00007ffef0e0a968 EFLAGS: 00000246 [ 53.198283][ T582] css_populate_dir+0x137/0x370 [ 53.203020][ T421] ORIG_RAX: 00000000000000a6 [ 53.207920][ T582] cgroup_apply_control_enable+0x5cd/0xf70 [ 53.212918][ T421] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbffc9a3557 [ 53.217298][ T582] cgroup_apply_control+0x36/0x710 [ 53.222556][ T421] RDX: 00007ffef0e0aa39 RSI: 000000000000000a RDI: 00007ffef0e0aa30 [ 53.227546][ T582] ? init_wait_entry+0xe0/0xe0 [ 53.231943][ T421] RBP: 00007ffef0e0aa30 R08: 00000000ffffffff R09: 00007ffef0e0a800 [ 53.237797][ T582] ? cgroup_kn_lock_live+0x1af/0x370 [ 53.242619][ T421] R10: 00005555565b6ba3 R11: 0000000000000246 R12: 00007fbffc9fb1f8 [ 53.247005][ T582] cgroup_subtree_control_write+0xd05/0x12d0 [ 53.251129][ T421] R13: 00007ffef0e0baf0 R14: 00005555565b6b00 R15: 00007ffef0e0bb30 [ 53.255685][ T582] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 53.260423][ T421] ---[ end trace 5f324761e003445e ]--- [ 53.279995][ T582] cgroup_file_write+0x22f/0x4f0 [ 53.280008][ T582] kernfs_fop_write_iter+0x2cd/0x410 [ 53.398635][ T582] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.403724][ T582] vfs_write+0xb57/0xe50 [ 53.408059][ T582] ksys_write+0x157/0x260 [ 53.412483][ T582] __x64_sys_write+0x7b/0x90 [ 53.417171][ T582] do_syscall_64+0x34/0x70 [ 53.421567][ T582] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.427438][ T582] RIP: 0033:0x7f27589320e9 [ 53.431836][ T582] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.451505][ T582] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.460234][ T582] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 53.468173][ T582] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.476112][ T582] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.484145][ T582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.492094][ T582] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 53.500713][ T582] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 53.509451][ T422] ------------[ cut here ]------------ [ 53.515254][ T422] WARNING: CPU: 1 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 53.524211][ T422] Modules linked in: [ 53.528085][ T422] CPU: 1 PID: 422 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 53.539710][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.550124][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 53.555732][ T422] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 53.575344][ T422] RSP: 0018:ffffc90000ca7d58 EFLAGS: 00010293 [ 53.581408][ T422] RAX: ffffffff81af00ac RBX: ffff88810d4f1760 RCX: ffff888108748000 [ 53.589382][ T422] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 53.597423][ T422] RBP: ffffc90000ca7dc8 R08: ffffffff81aefdd7 R09: fffff52000194fa3 [ 53.605835][ T422] R10: fffff52000194fa3 R11: 1ffff92000194fa2 R12: dffffc0000000000 [ 53.613885][ T422] R13: ffff88810d4f1680 R14: 00000000ffffffff R15: 0000000000000000 [ 53.622040][ T422] FS: 0000555556302400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 53.630985][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.637577][ T422] CR2: 00007ffff39bdfe8 CR3: 000000010900f000 CR4: 00000000003506a0 [ 53.645553][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.654407][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.662634][ T422] Call Trace: [ 53.666087][ T422] ? init_wait_entry+0xe0/0xe0 [ 53.670944][ T422] ? up_write+0x68/0x140 [ 53.675173][ T422] namespace_unlock+0x377/0x420 [ 53.680026][ T422] path_umount+0xe23/0xed0 [ 53.684601][ T422] __x64_sys_umount+0xe8/0x110 [ 53.689369][ T422] do_syscall_64+0x34/0x70 [ 53.693768][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.699659][ T422] RIP: 0033:0x7f2758933557 [ 53.704056][ T422] 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 [ 53.723674][ T422] RSP: 002b:00007ffff39be248 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 53.732083][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2758933557 [ 53.740056][ T422] RDX: 00007ffff39be319 RSI: 000000000000000a RDI: 00007ffff39be310 [ 53.748032][ T422] RBP: 00007ffff39be310 R08: 00000000ffffffff R09: 00007ffff39be0e0 [ 53.756062][ T422] R10: 0000555556303ba3 R11: 0000000000000246 R12: 00007f275898b1f8 [ 53.764083][ T422] R13: 00007ffff39bf3d0 R14: 0000555556303b00 R15: 00007ffff39bf410 [ 53.772051][ T422] ---[ end trace 5f324761e003445f ]--- [ 53.777627][ T422] ------------[ cut here ]------------ [ 53.783360][ T422] WARNING: CPU: 0 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 53.792285][ T422] Modules linked in: [ 53.796167][ T422] CPU: 0 PID: 422 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 53.807898][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.818149][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 53.823857][ T422] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 53.843630][ T422] RSP: 0018:ffffc90000ca7dd0 EFLAGS: 00010293 [ 53.849690][ T422] RAX: ffffffff81af00ac RBX: ffff88810d4f1760 RCX: ffff888108748000 [ 53.857650][ T422] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 53.865608][ T422] RBP: ffffc90000ca7e40 R08: ffffffff81aefdd7 R09: fffff52000194fb2 [ 53.873594][ T422] R10: fffff52000194fb2 R11: 1ffff92000194fb1 R12: dffffc0000000000 [ 53.881571][ T422] R13: ffff88810d4f1680 R14: 00000000fffffffe R15: 0000000000000000 [ 53.889556][ T422] FS: 0000555556302400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 53.898671][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.905244][ T422] CR2: 00007f2758a46090 CR3: 000000010900f000 CR4: 00000000003506b0 [ 53.913238][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.921384][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.929346][ T422] Call Trace: [ 53.932625][ T422] path_umount+0x1ad/0xed0 [ 53.937025][ T422] __x64_sys_umount+0xe8/0x110 [ 53.941833][ T422] do_syscall_64+0x34/0x70 [ 53.946257][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.952143][ T422] RIP: 0033:0x7f2758933557 [ 53.956711][ T422] 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 [ 53.976393][ T422] RSP: 002b:00007ffff39be248 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 53.984973][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2758933557 [ 53.993113][ T422] RDX: 00007ffff39be319 RSI: 000000000000000a RDI: 00007ffff39be310 [ 54.001107][ T422] RBP: 00007ffff39be310 R08: 00000000ffffffff R09: 00007ffff39be0e0 [ 54.009242][ T422] R10: 0000555556303ba3 R11: 0000000000000246 R12: 00007f275898b1f8 [ 54.018079][ T422] R13: 00007ffff39bf3d0 R14: 0000555556303b00 R15: 00007ffff39bf410 [ 54.026040][ T422] ---[ end trace 5f324761e0034460 ]--- [ 54.031914][ C0] !!! css_killed_ref_fn css ffff88810f9af400 !!! [ 54.038257][ C0] !!! css_killed_ref_fn css ffff88810f9ae400 !!! [ 54.044605][ C0] !!! css_killed_ref_fn css ffff88810f9ac400 !!! [ 54.050965][ T382] !!! css_release css ffff88810f9af400 !!! [ 54.056947][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f9af400 !!! [ 54.064733][ T382] !!! css_release css ffff88810f9ae400 !!! [ 54.070797][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f9ae400 !!! [ 54.079006][ T579] FAULT_INJECTION: forcing a failure. [ 54.079006][ T579] name failslab, interval 1, probability 0, space 0, times 0 [ 54.091919][ T579] CPU: 1 PID: 579 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 54.103789][ T579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.114027][ T579] Call Trace: [ 54.117394][ T579] dump_stack+0x19c/0x1e2 [ 54.121798][ T579] should_fail+0x3f7/0x5b0 [ 54.126214][ T579] __should_failslab+0xd2/0x130 [ 54.131055][ T579] should_failslab+0x9/0x20 [ 54.135554][ T579] slab_pre_alloc_hook+0x25/0xe0 [ 54.140577][ T579] ? __kernfs_new_node+0x4c/0x6d0 [ 54.145871][ T579] __kmalloc_track_caller+0x70/0x300 [ 54.151309][ T579] ? __kernfs_new_node+0x4c/0x6d0 [ 54.156302][ T579] kstrdup_const+0x55/0x90 [ 54.160685][ T579] __kernfs_new_node+0x4c/0x6d0 [ 54.165676][ T579] ? string+0x29f/0x2b0 [ 54.169817][ T579] ? vsnprintf+0x1a6c/0x1b30 [ 54.174386][ T579] kernfs_new_node+0x97/0x170 [ 54.179042][ T579] __kernfs_create_file+0x4a/0x270 [ 54.184209][ T579] cgroup_addrm_files+0x99e/0xeb0 [ 54.189389][ T579] ? delete_node+0x747/0x7a0 [ 54.193960][ T579] css_populate_dir+0x137/0x370 [ 54.198902][ T579] cgroup_apply_control_enable+0x5cd/0xf70 [ 54.204975][ T579] cgroup_apply_control+0x36/0x710 [ 54.210062][ T579] ? init_wait_entry+0xe0/0xe0 [ 54.214864][ T579] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.220270][ T579] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.226231][ T579] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.232270][ T579] cgroup_file_write+0x22f/0x4f0 [ 54.237177][ T579] kernfs_fop_write_iter+0x2cd/0x410 [ 54.242430][ T579] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.247562][ T579] vfs_write+0xb57/0xe50 [ 54.251774][ T579] ksys_write+0x157/0x260 [ 54.256077][ T579] __x64_sys_write+0x7b/0x90 [ 54.260832][ T579] do_syscall_64+0x34/0x70 [ 54.265223][ T579] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.271343][ T579] RIP: 0033:0x7fb73de410e9 [ 54.275998][ 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 [ 54.295675][ T579] RSP: 002b:00007fb73dd96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.304340][ T579] RAX: ffffffffffffffda RBX: 00007fb73df54030 RCX: 00007fb73de410e9 [ 54.312476][ T579] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.320440][ T579] RBP: 00007fb73dd961d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.328403][ T579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.336353][ T579] R13: 00007ffe32dbcc8f R14: 00007fb73dd96300 R15: 0000000000022000 [ 54.344562][ T579] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.408681][ C0] !!! css_killed_ref_fn css ffff88810fc86000 !!! [ 54.415034][ C0] !!! css_killed_ref_fn css ffff88810fc84c00 !!! [ 54.421372][ C0] !!! css_killed_ref_fn css ffff88810fc84800 !!! [ 54.427752][ T382] !!! css_release css ffff88810fc86000 !!! [ 54.433575][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810fc86000 !!! [ 54.441520][ T382] !!! css_release css ffff88810fc84c00 !!! [ 54.447305][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810fc84c00 !!! [ 54.455126][ T382] !!! css_release css ffff88810fc84800 !!! [ 54.460951][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810fc84800 !!! [ 54.468475][ T548] FAULT_INJECTION: forcing a failure. [ 54.468475][ T548] name failslab, interval 1, probability 0, space 0, times 0 [ 54.481408][ T548] CPU: 0 PID: 548 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 54.493112][ T548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.503136][ T548] Call Trace: [ 54.506653][ T548] dump_stack+0x19c/0x1e2 [ 54.511042][ T548] should_fail+0x3f7/0x5b0 [ 54.515518][ T548] __should_failslab+0xd2/0x130 [ 54.520341][ T548] should_failslab+0x9/0x20 [ 54.524806][ T548] slab_pre_alloc_hook+0x25/0xe0 [ 54.529712][ T548] kmem_cache_alloc_trace+0x47/0x2b0 [ 54.534962][ T548] ? percpu_ref_init+0xd0/0x330 [ 54.539881][ T548] percpu_ref_init+0xd0/0x330 [ 54.544538][ T548] ? cgroup_setup_root+0x8a0/0x8a0 [ 54.549619][ T548] cgroup_apply_control_enable+0x3d2/0xf70 [ 54.555402][ T548] cgroup_apply_control+0x36/0x710 [ 54.560656][ T548] ? init_wait_entry+0xe0/0xe0 [ 54.565735][ T548] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.571087][ T548] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.577056][ T548] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.583001][ T548] cgroup_file_write+0x22f/0x4f0 [ 54.587906][ T548] kernfs_fop_write_iter+0x2cd/0x410 [ 54.593175][ T548] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.598271][ T548] vfs_write+0xb57/0xe50 [ 54.602508][ T548] ksys_write+0x157/0x260 [ 54.606898][ T548] __x64_sys_write+0x7b/0x90 [ 54.611546][ T548] do_syscall_64+0x34/0x70 [ 54.615973][ T548] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.621919][ T548] RIP: 0033:0x7f5da5b5e0e9 [ 54.626313][ T548] 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 [ 54.646263][ T548] RSP: 002b:00007f5da5ab3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.654665][ T548] RAX: ffffffffffffffda RBX: 00007f5da5c71030 RCX: 00007f5da5b5e0e9 [ 54.662697][ T548] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.670640][ T548] RBP: 00007f5da5ab31d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.678595][ T548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.686779][ T548] R13: 00007ffcb4475d3f R14: 00007f5da5ab3300 R15: 0000000000022000 [ 54.728625][ C0] !!! css_killed_ref_fn css ffff88810ff12000 !!! [ 54.734989][ C0] !!! css_killed_ref_fn css ffff88810fd0f000 !!! [ 54.741500][ T73] !!! css_release css ffff88810ff12000 !!! [ 54.747391][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810ff12000 !!! [ 54.755390][ T73] !!! css_release css ffff88810fd0f000 !!! [ 54.761214][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810fd0f000 !!! [ 54.768958][ T592] FAULT_INJECTION: forcing a failure. [ 54.768958][ T592] name failslab, interval 1, probability 0, space 0, times 0 [ 54.782589][ T592] CPU: 0 PID: 592 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 54.794111][ T592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.804226][ T592] Call Trace: [ 54.807499][ T592] dump_stack+0x19c/0x1e2 [ 54.811822][ T592] should_fail+0x3f7/0x5b0 [ 54.816218][ T592] __should_failslab+0xd2/0x130 [ 54.821051][ T592] should_failslab+0x9/0x20 [ 54.825532][ T592] slab_pre_alloc_hook+0x25/0xe0 [ 54.830467][ T592] kmem_cache_alloc_trace+0x47/0x2b0 [ 54.835748][ T592] ? percpu_ref_init+0xd0/0x330 [ 54.840752][ T592] percpu_ref_init+0xd0/0x330 [ 54.845503][ T592] ? cgroup_setup_root+0x8a0/0x8a0 [ 54.850610][ T592] cgroup_apply_control_enable+0x3d2/0xf70 [ 54.856651][ T592] cgroup_apply_control+0x36/0x710 [ 54.861847][ T592] ? init_wait_entry+0xe0/0xe0 [ 54.866787][ T592] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.872663][ T592] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.878925][ T592] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.884985][ T592] cgroup_file_write+0x22f/0x4f0 [ 54.889925][ T592] kernfs_fop_write_iter+0x2cd/0x410 [ 54.895207][ T592] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.900383][ T592] vfs_write+0xb57/0xe50 [ 54.904617][ T592] ksys_write+0x157/0x260 [ 54.908932][ T592] __x64_sys_write+0x7b/0x90 [ 54.913499][ T592] do_syscall_64+0x34/0x70 [ 54.917907][ T592] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.923775][ T592] RIP: 0033:0x7fb73de410e9 [ 54.928167][ T592] 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 [ 54.948211][ T592] RSP: 002b:00007fb73dd96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.956838][ T592] RAX: ffffffffffffffda RBX: 00007fb73df54030 RCX: 00007fb73de410e9 [ 54.965165][ T592] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.973124][ T592] RBP: 00007fb73dd961d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.981265][ T592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.989326][ T592] R13: 00007ffe32dbcc8f R14: 00007fb73dd96300 R15: 0000000000022000 [ 55.028639][ C0] !!! css_killed_ref_fn css ffff88810fd0cc00 !!! [ 55.035007][ C0] !!! css_killed_ref_fn css ffff88810fd0fc00 !!! [ 55.041801][ T73] !!! css_release css ffff88810fd0cc00 !!! [ 55.047611][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810fd0cc00 !!! [ 55.055320][ T73] !!! css_release css ffff88810fd0fc00 !!! [ 55.061266][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810fd0fc00 !!! [ 55.068908][ T593] FAULT_INJECTION: forcing a failure. [ 55.068908][ T593] name failslab, interval 1, probability 0, space 0, times 0 [ 55.081694][ T593] CPU: 0 PID: 593 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 55.093493][ T593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.103547][ T593] Call Trace: [ 55.106813][ T593] dump_stack+0x19c/0x1e2 [ 55.111124][ T593] should_fail+0x3f7/0x5b0 [ 55.115523][ T593] __should_failslab+0xd2/0x130 [ 55.120448][ T593] should_failslab+0x9/0x20 [ 55.124940][ T593] slab_pre_alloc_hook+0x25/0xe0 [ 55.129884][ T593] ? __kernfs_new_node+0x4c/0x6d0 [ 55.134984][ T593] __kmalloc_track_caller+0x70/0x300 [ 55.140253][ T593] ? __kernfs_new_node+0x4c/0x6d0 [ 55.145266][ T593] kstrdup_const+0x55/0x90 [ 55.149660][ T593] __kernfs_new_node+0x4c/0x6d0 [ 55.154503][ T593] ? string+0x29f/0x2b0 [ 55.158641][ T593] ? vsnprintf+0x1a6c/0x1b30 [ 55.163204][ T593] kernfs_new_node+0x97/0x170 [ 55.167859][ T593] __kernfs_create_file+0x4a/0x270 [ 55.173070][ T593] cgroup_addrm_files+0x99e/0xeb0 [ 55.178199][ T593] ? delete_node+0x747/0x7a0 [ 55.182779][ T593] css_populate_dir+0x137/0x370 [ 55.187716][ T593] cgroup_apply_control_enable+0x5cd/0xf70 [ 55.193515][ T593] cgroup_apply_control+0x36/0x710 [ 55.198620][ T593] ? init_wait_entry+0xe0/0xe0 [ 55.203375][ T593] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.208651][ T593] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.214717][ T593] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.220683][ T593] cgroup_file_write+0x22f/0x4f0 [ 55.225596][ T593] kernfs_fop_write_iter+0x2cd/0x410 [ 55.230862][ T593] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.235943][ T593] vfs_write+0xb57/0xe50 [ 55.240155][ T593] ksys_write+0x157/0x260 [ 55.244459][ T593] __x64_sys_write+0x7b/0x90 [ 55.249036][ T593] do_syscall_64+0x34/0x70 [ 55.253429][ T593] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.259303][ T593] RIP: 0033:0x7f27589320e9 [ 55.263691][ T593] 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 [ 55.283548][ T593] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.291936][ T593] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 55.299882][ T593] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.307846][ T593] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.315802][ T593] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.323746][ T593] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 55.331762][ T593] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.378638][ C0] !!! css_killed_ref_fn css ffff88810fd0c400 !!! [ 55.385025][ C0] !!! css_killed_ref_fn css ffff88810fd0e400 !!! [ 55.391479][ C0] !!! css_killed_ref_fn css ffff88810fd0d800 !!! [ 55.397929][ T73] !!! css_release css ffff88810fd0c400 !!! [ 55.403746][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810fd0c400 !!! [ 55.411241][ T73] !!! css_release css ffff88810fd0e400 !!! [ 55.417153][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810fd0e400 !!! [ 55.424756][ T5] !!! css_release css ffff88810fd0d800 !!! [ 55.430586][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810fd0d800 !!! [ 55.438245][ T564] FAULT_INJECTION: forcing a failure. [ 55.438245][ T564] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 55.451634][ T564] CPU: 1 PID: 564 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 55.463330][ T564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.473545][ T564] Call Trace: [ 55.476985][ T564] dump_stack+0x19c/0x1e2 [ 55.481293][ T564] should_fail+0x3f7/0x5b0 [ 55.485715][ T564] should_fail_alloc_page+0xa9/0xd0 [ 55.490936][ T564] __alloc_pages_nodemask+0x121/0x740 [ 55.496470][ T564] ? _raw_spin_lock_irq+0x6f/0x1f0 [ 55.501606][ T564] allocate_slab+0x72/0x580 [ 55.506482][ T564] ___slab_alloc+0x131/0x2e0 [ 55.511068][ T564] ? pids_css_alloc+0x4e/0x120 [ 55.515915][ T564] __slab_alloc+0x63/0xa0 [ 55.520240][ T564] ? pids_css_alloc+0x4e/0x120 [ 55.524982][ T564] kmem_cache_alloc_trace+0xe5/0x2b0 [ 55.530340][ T564] ? pids_css_alloc+0x4e/0x120 [ 55.535079][ T564] pids_css_alloc+0x4e/0x120 [ 55.539652][ T564] cgroup_apply_control_enable+0x381/0xf70 [ 55.545453][ T564] cgroup_apply_control+0x36/0x710 [ 55.550549][ T564] ? init_wait_entry+0xe0/0xe0 [ 55.555333][ T564] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.560682][ T564] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.566666][ T564] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.572891][ T564] cgroup_file_write+0x22f/0x4f0 [ 55.577802][ T564] kernfs_fop_write_iter+0x2cd/0x410 [ 55.583143][ T564] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.588409][ T564] vfs_write+0xb57/0xe50 [ 55.592624][ T564] ksys_write+0x157/0x260 [ 55.596921][ T564] __x64_sys_write+0x7b/0x90 [ 55.601503][ T564] do_syscall_64+0x34/0x70 [ 55.605980][ T564] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.611862][ T564] RIP: 0033:0x7f5152d1a0e9 [ 55.616257][ 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 [ 55.636018][ T564] RSP: 002b:00007f5152c6f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.644407][ T564] RAX: ffffffffffffffda RBX: 00007f5152e2d030 RCX: 00007f5152d1a0e9 [ 55.652536][ T564] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.660502][ T564] RBP: 00007f5152c6f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.668455][ T564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.676405][ T564] R13: 00007ffc1b81870f R14: 00007f5152c6f300 R15: 0000000000022000 [ 55.685942][ T22] audit: type=1400 audit(1653680161.040:162): 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 [ 55.728801][ C0] !!! css_killed_ref_fn css ffff88811014c400 !!! [ 55.735183][ C0] !!! css_killed_ref_fn css ffff88811014e000 !!! [ 55.741523][ C0] !!! css_killed_ref_fn css ffff88810fbe3800 !!! [ 55.747863][ C0] !!! css_killed_ref_fn css ffff88810fbe3c00 !!! [ 55.754193][ C0] !!! css_killed_ref_fn css ffff88810fbe3400 !!! [ 55.760567][ C0] !!! css_killed_ref_fn css ffff88810fbe3000 !!! [ 55.766971][ T73] !!! css_release css ffff88811014c400 !!! [ 55.772838][ T73] !!! css_put is zero set CSS_NO_REF css ffff88811014c400 !!! [ 55.780596][ T73] !!! css_release css ffff88811014e000 !!! [ 55.786650][ T73] !!! css_put is zero set CSS_NO_REF css ffff88811014e000 !!! [ 55.794363][ T73] !!! css_release css ffff88810fbe3800 !!! [ 55.800193][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810fbe3800 !!! [ 55.807877][ T73] !!! css_release css ffff88810fbe3c00 !!! [ 55.813717][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810fbe3c00 !!! [ 55.821204][ T73] !!! css_release css ffff88810fbe3400 !!! [ 55.827010][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810fbe3400 !!! [ 55.834513][ T73] !!! css_release css ffff88810fbe3000 !!! [ 55.840422][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810fbe3000 !!! [ 55.848102][ T604] FAULT_INJECTION: forcing a failure. [ 55.848102][ T604] name failslab, interval 1, probability 0, space 0, times 0 [ 55.861032][ T604] CPU: 0 PID: 604 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 55.872856][ T604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.883071][ T604] Call Trace: [ 55.886364][ T604] dump_stack+0x19c/0x1e2 [ 55.890772][ T604] should_fail+0x3f7/0x5b0 [ 55.895306][ T604] __should_failslab+0xd2/0x130 [ 55.900222][ T604] should_failslab+0x9/0x20 [ 55.904882][ T604] slab_pre_alloc_hook+0x25/0xe0 [ 55.910143][ T604] ? __kernfs_new_node+0x4c/0x6d0 [ 55.915681][ T604] __kmalloc_track_caller+0x70/0x300 [ 55.920941][ T604] ? __kernfs_new_node+0x4c/0x6d0 [ 55.926023][ T604] kstrdup_const+0x55/0x90 [ 55.930421][ T604] __kernfs_new_node+0x4c/0x6d0 [ 55.935334][ T604] ? string+0x29f/0x2b0 [ 55.939754][ T604] ? vsnprintf+0x1a6c/0x1b30 [ 55.944757][ T604] kernfs_new_node+0x97/0x170 [ 55.949409][ T604] __kernfs_create_file+0x4a/0x270 [ 55.954954][ T604] cgroup_addrm_files+0x99e/0xeb0 [ 55.959959][ T604] ? delete_node+0x747/0x7a0 [ 55.964541][ T604] css_populate_dir+0x137/0x370 [ 55.969385][ T604] cgroup_apply_control_enable+0x5cd/0xf70 [ 55.975276][ T604] cgroup_apply_control+0x36/0x710 [ 55.980362][ T604] ? init_wait_entry+0xe0/0xe0 [ 55.985112][ T604] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.990641][ T604] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.996606][ T604] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.002690][ T604] cgroup_file_write+0x22f/0x4f0 [ 56.008230][ T604] kernfs_fop_write_iter+0x2cd/0x410 [ 56.013523][ T604] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.018633][ T604] vfs_write+0xb57/0xe50 [ 56.022874][ T604] ksys_write+0x157/0x260 [ 56.027183][ T604] __x64_sys_write+0x7b/0x90 [ 56.031750][ T604] do_syscall_64+0x34/0x70 [ 56.036153][ T604] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.042025][ T604] RIP: 0033:0x7f27589320e9 [ 56.046419][ T604] 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 [ 56.066089][ T604] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.074566][ T604] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 56.082847][ T604] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.090911][ T604] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.098871][ T604] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.106935][ T604] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 56.115060][ T604] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 56.158628][ C1] !!! css_killed_ref_fn css ffff88811014d400 !!! [ 56.165105][ C1] !!! css_killed_ref_fn css ffff88811014ec00 !!! [ 56.171544][ C1] !!! css_killed_ref_fn css ffff88811014f400 !!! [ 56.178006][ T107] !!! css_release css ffff88811014d400 !!! [ 56.183869][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811014d400 !!! [ 56.191693][ T107] !!! css_release css ffff88811014ec00 !!! [ 56.197600][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811014ec00 !!! [ 56.205092][ T107] !!! css_release css ffff88811014f400 !!! [ 56.211110][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811014f400 !!! [ 56.218899][ T594] FAULT_INJECTION: forcing a failure. [ 56.218899][ T594] name failslab, interval 1, probability 0, space 0, times 0 [ 56.231561][ T594] CPU: 0 PID: 594 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 56.243081][ T594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.253115][ T594] Call Trace: [ 56.256383][ T594] dump_stack+0x19c/0x1e2 [ 56.260686][ T594] should_fail+0x3f7/0x5b0 [ 56.265073][ T594] __should_failslab+0xd2/0x130 [ 56.269903][ T594] should_failslab+0x9/0x20 [ 56.274441][ T594] slab_pre_alloc_hook+0x25/0xe0 [ 56.279377][ T594] ? __kernfs_new_node+0x4c/0x6d0 [ 56.284385][ T594] __kmalloc_track_caller+0x70/0x300 [ 56.289664][ T594] ? __kernfs_new_node+0x4c/0x6d0 [ 56.294663][ T594] kstrdup_const+0x55/0x90 [ 56.299060][ T594] __kernfs_new_node+0x4c/0x6d0 [ 56.303888][ T594] ? string+0x29f/0x2b0 [ 56.308020][ T594] ? vsnprintf+0x1a6c/0x1b30 [ 56.312584][ T594] kernfs_new_node+0x97/0x170 [ 56.317237][ T594] __kernfs_create_file+0x4a/0x270 [ 56.322321][ T594] cgroup_addrm_files+0x99e/0xeb0 [ 56.327321][ T594] ? delete_node+0x747/0x7a0 [ 56.331888][ T594] css_populate_dir+0x137/0x370 [ 56.336717][ T594] cgroup_apply_control_enable+0x5cd/0xf70 [ 56.342502][ T594] cgroup_apply_control+0x36/0x710 [ 56.347668][ T594] ? init_wait_entry+0xe0/0xe0 [ 56.352634][ T594] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.358014][ T594] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.364069][ T594] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.370049][ T594] cgroup_file_write+0x22f/0x4f0 [ 56.375239][ T594] kernfs_fop_write_iter+0x2cd/0x410 [ 56.380546][ T594] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.385765][ T594] vfs_write+0xb57/0xe50 [ 56.390338][ T594] ksys_write+0x157/0x260 [ 56.394641][ T594] __x64_sys_write+0x7b/0x90 [ 56.399268][ T594] do_syscall_64+0x34/0x70 [ 56.403678][ T594] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.409562][ T594] RIP: 0033:0x7f5da5b5e0e9 [ 56.413957][ 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 [ 56.433536][ T594] RSP: 002b:00007f5da5ab3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.442014][ T594] RAX: ffffffffffffffda RBX: 00007f5da5c71030 RCX: 00007f5da5b5e0e9 [ 56.450135][ T594] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.458085][ T594] RBP: 00007f5da5ab31d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.466115][ T594] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.474058][ T594] R13: 00007ffcb4475d3f R14: 00007f5da5ab3300 R15: 0000000000022000 [ 56.482557][ T594] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 56.528621][ C1] !!! css_killed_ref_fn css ffff8881105a4c00 !!! [ 56.535004][ C1] !!! css_killed_ref_fn css ffff8881105a7c00 !!! [ 56.541440][ C1] !!! css_killed_ref_fn css ffff8881105a6000 !!! [ 56.547978][ T107] !!! css_release css ffff8881105a4c00 !!! [ 56.553879][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881105a4c00 !!! [ 56.561420][ T107] !!! css_release css ffff8881105a7c00 !!! [ 56.567294][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881105a7c00 !!! [ 56.574948][ T107] !!! css_release css ffff8881105a6000 !!! [ 56.580749][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881105a6000 !!! [ 56.588363][ T612] FAULT_INJECTION: forcing a failure. [ 56.588363][ T612] name failslab, interval 1, probability 0, space 0, times 0 [ 56.601218][ T612] CPU: 1 PID: 612 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 56.612747][ T612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.623047][ T612] Call Trace: [ 56.626558][ T612] dump_stack+0x19c/0x1e2 [ 56.630881][ T612] should_fail+0x3f7/0x5b0 [ 56.635277][ T612] __should_failslab+0xd2/0x130 [ 56.640114][ T612] should_failslab+0x9/0x20 [ 56.644597][ T612] slab_pre_alloc_hook+0x25/0xe0 [ 56.649523][ T612] kmem_cache_alloc_trace+0x47/0x2b0 [ 56.654795][ T612] ? pids_css_alloc+0x4e/0x120 [ 56.659654][ T612] pids_css_alloc+0x4e/0x120 [ 56.664218][ T612] cgroup_apply_control_enable+0x381/0xf70 [ 56.670202][ T612] cgroup_apply_control+0x36/0x710 [ 56.675297][ T612] ? init_wait_entry+0xe0/0xe0 [ 56.680034][ T612] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.685308][ T612] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.691271][ T612] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.697225][ T612] cgroup_file_write+0x22f/0x4f0 [ 56.702133][ T612] kernfs_fop_write_iter+0x2cd/0x410 [ 56.707392][ T612] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.712472][ T612] vfs_write+0xb57/0xe50 [ 56.716685][ T612] ksys_write+0x157/0x260 [ 56.720984][ T612] __x64_sys_write+0x7b/0x90 [ 56.725546][ T612] do_syscall_64+0x34/0x70 [ 56.730018][ T612] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.735974][ T612] RIP: 0033:0x7f5da5b5e0e9 [ 56.740357][ 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 [ 56.760107][ T612] RSP: 002b:00007f5da5ab3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.768491][ T612] RAX: ffffffffffffffda RBX: 00007f5da5c71030 RCX: 00007f5da5b5e0e9 [ 56.776444][ T612] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.784406][ T612] RBP: 00007f5da5ab31d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.792547][ T612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.800598][ T612] R13: 00007ffcb4475d3f R14: 00007f5da5ab3300 R15: 0000000000022000 [ 56.858638][ C0] !!! css_killed_ref_fn css ffff8881104fd800 !!! [ 56.865032][ C0] !!! css_killed_ref_fn css ffff8881104ff400 !!! [ 56.871557][ T73] !!! css_release css ffff8881104fd800 !!! [ 56.877356][ T73] !!! css_put is zero set CSS_NO_REF css ffff8881104fd800 !!! [ 56.885041][ T73] !!! css_release css ffff8881104ff400 !!! [ 56.890924][ T73] !!! css_put is zero set CSS_NO_REF css ffff8881104ff400 !!! [ 56.898472][ T603] FAULT_INJECTION: forcing a failure. [ 56.898472][ T603] name failslab, interval 1, probability 0, space 0, times 0 [ 56.911357][ T603] CPU: 1 PID: 603 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 56.922886][ T603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.932918][ T603] Call Trace: [ 56.936184][ T603] dump_stack+0x19c/0x1e2 [ 56.940491][ T603] should_fail+0x3f7/0x5b0 [ 56.944878][ T603] __should_failslab+0xd2/0x130 [ 56.949698][ T603] should_failslab+0x9/0x20 [ 56.954175][ T603] slab_pre_alloc_hook+0x25/0xe0 [ 56.959189][ T603] ? __kernfs_new_node+0x4c/0x6d0 [ 56.964178][ T603] __kmalloc_track_caller+0x70/0x300 [ 56.969439][ T603] ? __kernfs_new_node+0x4c/0x6d0 [ 56.974551][ T603] kstrdup_const+0x55/0x90 [ 56.978949][ T603] __kernfs_new_node+0x4c/0x6d0 [ 56.983835][ T603] ? string+0x29f/0x2b0 [ 56.987963][ T603] ? vsnprintf+0x1a6c/0x1b30 [ 56.992521][ T603] kernfs_new_node+0x97/0x170 [ 56.997171][ T603] __kernfs_create_file+0x4a/0x270 [ 57.002247][ T603] cgroup_addrm_files+0x99e/0xeb0 [ 57.007379][ T603] ? delete_node+0x747/0x7a0 [ 57.012049][ T603] css_populate_dir+0x137/0x370 [ 57.016967][ T603] cgroup_apply_control_enable+0x5cd/0xf70 [ 57.022833][ T603] cgroup_apply_control+0x36/0x710 [ 57.027909][ T603] ? init_wait_entry+0xe0/0xe0 [ 57.032640][ T603] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.037897][ T603] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.043942][ T603] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.049903][ T603] cgroup_file_write+0x22f/0x4f0 [ 57.054815][ T603] kernfs_fop_write_iter+0x2cd/0x410 [ 57.060206][ T603] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.065299][ T603] vfs_write+0xb57/0xe50 [ 57.069521][ T603] ksys_write+0x157/0x260 [ 57.073825][ T603] __x64_sys_write+0x7b/0x90 [ 57.078391][ T603] do_syscall_64+0x34/0x70 [ 57.082782][ T603] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.088650][ T603] RIP: 0033:0x7fb73de410e9 [ 57.093050][ T603] 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 [ 57.113354][ T603] RSP: 002b:00007fb73dd96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.121921][ T603] RAX: ffffffffffffffda RBX: 00007fb73df54030 RCX: 00007fb73de410e9 [ 57.129889][ T603] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.138025][ T603] RBP: 00007fb73dd961d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.145967][ T603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.153907][ T603] R13: 00007ffe32dbcc8f R14: 00007fb73dd96300 R15: 0000000000022000 [ 57.162470][ T603] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.218636][ C0] !!! css_killed_ref_fn css ffff88810ddbc000 !!! [ 57.224996][ C0] !!! css_killed_ref_fn css ffff88810ddbe800 !!! [ 57.231337][ C0] !!! css_killed_ref_fn css ffff88810ddbf400 !!! [ 57.237831][ T73] !!! css_release css ffff88810ddbc000 !!! [ 57.243758][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810ddbc000 !!! [ 57.251474][ T73] !!! css_release css ffff88810ddbe800 !!! [ 57.257364][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810ddbe800 !!! [ 57.265130][ T73] !!! css_release css ffff88810ddbf400 !!! [ 57.271025][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810ddbf400 !!! [ 57.278677][ T605] FAULT_INJECTION: forcing a failure. [ 57.278677][ T605] name failslab, interval 1, probability 0, space 0, times 0 [ 57.291656][ T605] CPU: 0 PID: 605 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 57.303662][ T605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.313709][ T605] Call Trace: [ 57.316978][ T605] dump_stack+0x19c/0x1e2 [ 57.321277][ T605] should_fail+0x3f7/0x5b0 [ 57.325666][ T605] __should_failslab+0xd2/0x130 [ 57.330487][ T605] should_failslab+0x9/0x20 [ 57.335035][ T605] slab_pre_alloc_hook+0x25/0xe0 [ 57.339956][ T605] ? __kernfs_new_node+0x4c/0x6d0 [ 57.344972][ T605] __kmalloc_track_caller+0x70/0x300 [ 57.350240][ T605] ? __kernfs_new_node+0x4c/0x6d0 [ 57.355240][ T605] kstrdup_const+0x55/0x90 [ 57.359644][ T605] __kernfs_new_node+0x4c/0x6d0 [ 57.364470][ T605] ? string+0x29f/0x2b0 [ 57.368605][ T605] ? vsnprintf+0x1a6c/0x1b30 [ 57.373264][ T605] kernfs_new_node+0x97/0x170 [ 57.378000][ T605] __kernfs_create_file+0x4a/0x270 [ 57.383099][ T605] cgroup_addrm_files+0x99e/0xeb0 [ 57.388096][ T605] ? delete_node+0x747/0x7a0 [ 57.392663][ T605] css_populate_dir+0x137/0x370 [ 57.397500][ T605] cgroup_apply_control_enable+0x5cd/0xf70 [ 57.403278][ T605] cgroup_apply_control+0x36/0x710 [ 57.408367][ T605] ? init_wait_entry+0xe0/0xe0 [ 57.413150][ T605] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.418438][ T605] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.424423][ T605] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.430378][ T605] cgroup_file_write+0x22f/0x4f0 [ 57.435287][ T605] kernfs_fop_write_iter+0x2cd/0x410 [ 57.440549][ T605] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.445663][ T605] vfs_write+0xb57/0xe50 [ 57.449880][ T605] ksys_write+0x157/0x260 [ 57.454191][ T605] __x64_sys_write+0x7b/0x90 [ 57.458762][ T605] do_syscall_64+0x34/0x70 [ 57.463149][ T605] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.469275][ T605] RIP: 0033:0x7f5152d1a0e9 [ 57.473662][ T605] 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 [ 57.493239][ T605] RSP: 002b:00007f5152c6f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.501710][ T605] RAX: ffffffffffffffda RBX: 00007f5152e2d030 RCX: 00007f5152d1a0e9 [ 57.509657][ T605] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/05/27 19:36:02 executed programs: 57 [ 57.517611][ T605] RBP: 00007f5152c6f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.525553][ T605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.533594][ T605] R13: 00007ffc1b81870f R14: 00007f5152c6f300 R15: 0000000000022000 [ 57.541739][ T605] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.588614][ C1] !!! css_killed_ref_fn css ffff888110523400 !!! [ 57.594982][ C1] !!! css_killed_ref_fn css ffff888110521800 !!! [ 57.601416][ C1] !!! css_killed_ref_fn css ffff888110522400 !!! [ 57.608031][ T107] !!! css_release css ffff888110523400 !!! [ 57.613852][ T107] !!! css_put is zero set CSS_NO_REF css ffff888110523400 !!! [ 57.621318][ T107] !!! css_release css ffff888110521800 !!! [ 57.627163][ T107] !!! css_put is zero set CSS_NO_REF css ffff888110521800 !!! [ 57.634842][ T107] !!! css_release css ffff888110522400 !!! [ 57.640724][ T107] !!! css_put is zero set CSS_NO_REF css ffff888110522400 !!! [ 57.648365][ T615] FAULT_INJECTION: forcing a failure. [ 57.648365][ T615] name failslab, interval 1, probability 0, space 0, times 0 [ 57.661154][ T615] CPU: 1 PID: 615 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 57.672764][ T615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.682794][ T615] Call Trace: [ 57.686072][ T615] dump_stack+0x19c/0x1e2 [ 57.690383][ T615] should_fail+0x3f7/0x5b0 [ 57.694775][ T615] __should_failslab+0xd2/0x130 [ 57.699611][ T615] should_failslab+0x9/0x20 [ 57.704088][ T615] slab_pre_alloc_hook+0x25/0xe0 [ 57.709014][ T615] kmem_cache_alloc_trace+0x47/0x2b0 [ 57.714282][ T615] ? percpu_ref_init+0xd0/0x330 [ 57.719105][ T615] percpu_ref_init+0xd0/0x330 [ 57.723763][ T615] ? cgroup_setup_root+0x8a0/0x8a0 [ 57.728853][ T615] cgroup_apply_control_enable+0x3d2/0xf70 [ 57.734719][ T615] cgroup_apply_control+0x36/0x710 [ 57.739804][ T615] ? init_wait_entry+0xe0/0xe0 [ 57.744541][ T615] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.749805][ T615] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.755756][ T615] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.761705][ T615] cgroup_file_write+0x22f/0x4f0 [ 57.766613][ T615] kernfs_fop_write_iter+0x2cd/0x410 [ 57.772130][ T615] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.777222][ T615] vfs_write+0xb57/0xe50 [ 57.781448][ T615] ksys_write+0x157/0x260 [ 57.785856][ T615] __x64_sys_write+0x7b/0x90 [ 57.790424][ T615] do_syscall_64+0x34/0x70 [ 57.794837][ T615] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.800892][ T615] RIP: 0033:0x7f5da5b5e0e9 [ 57.805281][ 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 [ 57.824957][ T615] RSP: 002b:00007f5da5ab3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.833367][ T615] RAX: ffffffffffffffda RBX: 00007f5da5c71030 RCX: 00007f5da5b5e0e9 [ 57.841404][ T615] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.849365][ T615] RBP: 00007f5da5ab31d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.857336][ T615] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.865385][ T615] R13: 00007ffcb4475d3f R14: 00007f5da5ab3300 R15: 0000000000022000 [ 57.908619][ C0] !!! css_killed_ref_fn css ffff888110770c00 !!! [ 57.914972][ C0] !!! css_killed_ref_fn css ffff888110773c00 !!! [ 57.921675][ T73] !!! css_release css ffff888110770c00 !!! [ 57.927488][ T73] !!! css_put is zero set CSS_NO_REF css ffff888110770c00 !!! [ 57.934950][ T73] !!! css_release css ffff888110773c00 !!! [ 57.940771][ T73] !!! css_put is zero set CSS_NO_REF css ffff888110773c00 !!! [ 57.948338][ T591] FAULT_INJECTION: forcing a failure. [ 57.948338][ T591] name failslab, interval 1, probability 0, space 0, times 0 [ 57.960925][ T591] CPU: 0 PID: 591 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 57.972532][ T591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.982568][ T591] Call Trace: [ 57.985833][ T591] dump_stack+0x19c/0x1e2 [ 57.990139][ T591] should_fail+0x3f7/0x5b0 [ 57.994538][ T591] __should_failslab+0xd2/0x130 [ 57.999359][ T591] should_failslab+0x9/0x20 [ 58.003919][ T591] slab_pre_alloc_hook+0x25/0xe0 [ 58.008826][ T591] kmem_cache_alloc_trace+0x47/0x2b0 [ 58.014177][ T591] ? percpu_ref_init+0xd0/0x330 [ 58.018999][ T591] percpu_ref_init+0xd0/0x330 [ 58.023646][ T591] ? cgroup_setup_root+0x8a0/0x8a0 [ 58.028900][ T591] cgroup_apply_control_enable+0x3d2/0xf70 [ 58.034677][ T591] cgroup_apply_control+0x36/0x710 [ 58.039760][ T591] ? init_wait_entry+0xe0/0xe0 [ 58.044649][ T591] ? cgroup_kn_lock_live+0x1af/0x370 [ 58.049911][ T591] cgroup_subtree_control_write+0xd05/0x12d0 [ 58.055869][ T591] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 58.061828][ T591] cgroup_file_write+0x22f/0x4f0 [ 58.066751][ T591] kernfs_fop_write_iter+0x2cd/0x410 [ 58.072108][ T591] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.077193][ T591] vfs_write+0xb57/0xe50 [ 58.081408][ T591] ksys_write+0x157/0x260 [ 58.085731][ T591] __x64_sys_write+0x7b/0x90 [ 58.090307][ T591] do_syscall_64+0x34/0x70 [ 58.094716][ T591] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.100581][ T591] RIP: 0033:0x7fbffc9a20e9 [ 58.104976][ 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 [ 58.124912][ T591] RSP: 002b:00007fbffc8f7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.133303][ T591] RAX: ffffffffffffffda RBX: 00007fbffcab5030 RCX: 00007fbffc9a20e9 [ 58.141431][ T591] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.149558][ T591] RBP: 00007fbffc8f71d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.157569][ T591] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.165534][ T591] R13: 00007ffef0e0b80f R14: 00007fbffc8f7300 R15: 0000000000022000 [ 58.175263][ T421] ------------[ cut here ]------------ [ 58.180842][ T421] WARNING: CPU: 0 PID: 421 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 58.189766][ T421] Modules linked in: [ 58.193658][ T421] CPU: 0 PID: 421 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 58.205189][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.215239][ T421] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 58.220883][ T421] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 58.240490][ T421] RSP: 0018:ffffc90000c97d58 EFLAGS: 00010293 [ 58.246545][ T421] RAX: ffffffff81af00ac RBX: ffff88810e999d60 RCX: ffff8881025c3d00 [ 58.254776][ T421] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 58.262754][ T421] RBP: ffffc90000c97dc8 R08: ffffffff81aefdd7 R09: fffff52000192fa3 [ 58.270712][ T421] R10: fffff52000192fa3 R11: 1ffff92000192fa2 R12: dffffc0000000000 [ 58.278688][ T421] R13: ffff88810e999c80 R14: 00000000ffffffff R15: 0000000000000000 [ 58.286650][ T421] FS: 00005555565b5400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 58.295589][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.302187][ T421] CR2: 00007ffef0e0a98c CR3: 0000000114dd4000 CR4: 00000000003506b0 [ 58.310167][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.318606][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.326561][ T421] Call Trace: [ 58.329856][ T421] ? init_wait_entry+0xe0/0xe0 [ 58.334624][ T421] ? up_write+0x68/0x140 [ 58.338879][ T421] namespace_unlock+0x377/0x420 [ 58.343811][ T421] path_umount+0xe23/0xed0 [ 58.348220][ T421] __x64_sys_umount+0xe8/0x110 [ 58.352994][ T421] do_syscall_64+0x34/0x70 [ 58.357404][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.363311][ T421] RIP: 0033:0x7fbffc9a3557 [ 58.367709][ T421] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.387322][ T421] RSP: 002b:00007ffef0e0a968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 58.395745][ T421] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbffc9a3557 [ 58.403732][ T421] RDX: 00007ffef0e0aa39 RSI: 000000000000000a RDI: 00007ffef0e0aa30 [ 58.411712][ T421] RBP: 00007ffef0e0aa30 R08: 00000000ffffffff R09: 00007ffef0e0a800 [ 58.419850][ T421] R10: 00005555565b6ba3 R11: 0000000000000246 R12: 00007fbffc9fb1f8 [ 58.427800][ T421] R13: 00007ffef0e0baf0 R14: 00005555565b6b00 R15: 00007ffef0e0bb30 [ 58.435757][ T421] ---[ end trace 5f324761e0034461 ]--- [ 58.441492][ T421] ------------[ cut here ]------------ [ 58.446950][ T421] WARNING: CPU: 0 PID: 421 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 58.456070][ T421] Modules linked in: [ 58.459972][ C0] !!! css_killed_ref_fn css ffff888110771800 !!! [ 58.459987][ C0] !!! css_killed_ref_fn css ffff888110773400 !!! [ 58.472821][ T421] CPU: 0 PID: 421 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 58.484431][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.494682][ T421] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 58.500320][ T421] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 58.520766][ T421] RSP: 0018:ffffc90000c97dd0 EFLAGS: 00010293 [ 58.526820][ T421] RAX: ffffffff81af00ac RBX: ffff88810e999d60 RCX: ffff8881025c3d00 [ 58.534792][ T421] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 58.542851][ T421] RBP: ffffc90000c97e40 R08: ffffffff81aefdd7 R09: fffff52000192fb2 [ 58.550823][ T421] R10: fffff52000192fb2 R11: 1ffff92000192fb1 R12: dffffc0000000000 [ 58.558792][ T421] R13: ffff88810e999c80 R14: 00000000fffffffe R15: 0000000000000000 [ 58.566829][ T421] FS: 00005555565b5400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 58.575758][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.582336][ T421] CR2: 00007ffef0e0a98c CR3: 0000000114dd4000 CR4: 00000000003506b0 [ 58.590406][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.598636][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.606583][ T421] Call Trace: [ 58.609878][ T421] path_umount+0x1ad/0xed0 [ 58.614285][ T421] __x64_sys_umount+0xe8/0x110 [ 58.619059][ T421] do_syscall_64+0x34/0x70 [ 58.623662][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.629619][ T421] RIP: 0033:0x7fbffc9a3557 [ 58.634019][ T421] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.653635][ T421] RSP: 002b:00007ffef0e0a968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 58.662215][ T421] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbffc9a3557 [ 58.670200][ T421] RDX: 00007ffef0e0aa39 RSI: 000000000000000a RDI: 00007ffef0e0aa30 [ 58.678241][ T421] RBP: 00007ffef0e0aa30 R08: 00000000ffffffff R09: 00007ffef0e0a800 [ 58.686216][ T421] R10: 00005555565b6ba3 R11: 0000000000000246 R12: 00007fbffc9fb1f8 [ 58.694184][ T421] R13: 00007ffef0e0baf0 R14: 00005555565b6b00 R15: 00007ffef0e0bb30 [ 58.702170][ T421] ---[ end trace 5f324761e0034462 ]--- [ 58.707702][ T73] !!! css_release css ffff888110771800 !!! [ 58.717004][ T73] !!! css_put is zero set CSS_NO_REF css ffff888110771800 !!! [ 58.724689][ T73] !!! css_release css ffff888110773400 !!! [ 58.730797][ T73] !!! css_put is zero set CSS_NO_REF css ffff888110773400 !!! [ 58.738431][ T609] FAULT_INJECTION: forcing a failure. [ 58.738431][ T609] name failslab, interval 1, probability 0, space 0, times 0 [ 58.751230][ T609] CPU: 0 PID: 609 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 58.762744][ T609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.772837][ T609] Call Trace: [ 58.776158][ T609] dump_stack+0x19c/0x1e2 [ 58.780476][ T609] should_fail+0x3f7/0x5b0 [ 58.784876][ T609] __should_failslab+0xd2/0x130 [ 58.789709][ T609] should_failslab+0x9/0x20 [ 58.794194][ T609] slab_pre_alloc_hook+0x25/0xe0 [ 58.799165][ T609] ? __kernfs_new_node+0x4c/0x6d0 [ 58.804161][ T609] __kmalloc_track_caller+0x70/0x300 [ 58.809467][ T609] ? __kernfs_new_node+0x4c/0x6d0 [ 58.814464][ T609] kstrdup_const+0x55/0x90 [ 58.818851][ T609] __kernfs_new_node+0x4c/0x6d0 [ 58.823773][ T609] ? string+0x29f/0x2b0 [ 58.827909][ T609] ? vsnprintf+0x1a6c/0x1b30 [ 58.832515][ T609] kernfs_new_node+0x97/0x170 [ 58.837170][ T609] __kernfs_create_file+0x4a/0x270 [ 58.842262][ T609] cgroup_addrm_files+0x99e/0xeb0 [ 58.847260][ T609] ? delete_node+0x747/0x7a0 [ 58.852003][ T609] css_populate_dir+0x137/0x370 [ 58.856827][ T609] cgroup_apply_control_enable+0x5cd/0xf70 [ 58.862604][ T609] cgroup_apply_control+0x36/0x710 [ 58.867682][ T609] ? init_wait_entry+0xe0/0xe0 [ 58.872418][ T609] ? cgroup_kn_lock_live+0x1af/0x370 [ 58.878105][ T609] cgroup_subtree_control_write+0xd05/0x12d0 [ 58.884059][ T609] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 58.890017][ T609] cgroup_file_write+0x22f/0x4f0 [ 58.895022][ T609] kernfs_fop_write_iter+0x2cd/0x410 [ 58.900360][ T609] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.905504][ T609] vfs_write+0xb57/0xe50 [ 58.909734][ T609] ksys_write+0x157/0x260 [ 58.914145][ T609] __x64_sys_write+0x7b/0x90 [ 58.918971][ T609] do_syscall_64+0x34/0x70 [ 58.923361][ T609] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.929232][ T609] RIP: 0033:0x7f27589320e9 [ 58.933632][ T609] 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 [ 58.953222][ T609] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.961614][ T609] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 58.969568][ T609] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.977520][ T609] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.985467][ T609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.993464][ T609] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 59.001649][ T609] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 59.038632][ C1] !!! css_killed_ref_fn css ffff88810de8d800 !!! [ 59.044999][ C1] !!! css_killed_ref_fn css ffff88810de8e400 !!! [ 59.051343][ C1] !!! css_killed_ref_fn css ffff88810de8c400 !!! [ 59.057703][ T393] !!! css_release css ffff88810de8d800 !!! [ 59.063526][ T393] !!! css_put is zero set CSS_NO_REF css ffff88810de8d800 !!! [ 59.070994][ T393] !!! css_release css ffff88810de8e400 !!! [ 59.077285][ T393] !!! css_put is zero set CSS_NO_REF css ffff88810de8e400 !!! [ 59.085019][ T393] !!! css_release css ffff88810de8c400 !!! [ 59.090844][ T393] !!! css_put is zero set CSS_NO_REF css ffff88810de8c400 !!! [ 59.098381][ T621] FAULT_INJECTION: forcing a failure. [ 59.098381][ T621] name failslab, interval 1, probability 0, space 0, times 0 [ 59.110991][ T621] CPU: 1 PID: 621 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 59.122518][ T621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.132551][ T621] Call Trace: [ 59.135819][ T621] dump_stack+0x19c/0x1e2 [ 59.140121][ T621] should_fail+0x3f7/0x5b0 [ 59.144514][ T621] __should_failslab+0xd2/0x130 [ 59.149427][ T621] should_failslab+0x9/0x20 [ 59.153906][ T621] slab_pre_alloc_hook+0x25/0xe0 [ 59.158820][ T621] kmem_cache_alloc_trace+0x47/0x2b0 [ 59.164264][ T621] ? percpu_ref_init+0xd0/0x330 [ 59.169100][ T621] percpu_ref_init+0xd0/0x330 [ 59.173756][ T621] ? cgroup_setup_root+0x8a0/0x8a0 [ 59.178926][ T621] cgroup_apply_control_enable+0x3d2/0xf70 [ 59.184705][ T621] cgroup_apply_control+0x36/0x710 [ 59.189791][ T621] ? init_wait_entry+0xe0/0xe0 [ 59.194533][ T621] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.199797][ T621] cgroup_subtree_control_write+0xd05/0x12d0 [ 59.205747][ T621] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 59.211698][ T621] cgroup_file_write+0x22f/0x4f0 [ 59.216643][ T621] kernfs_fop_write_iter+0x2cd/0x410 [ 59.221909][ T621] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.227016][ T621] vfs_write+0xb57/0xe50 [ 59.231235][ T621] ksys_write+0x157/0x260 [ 59.235537][ T621] __x64_sys_write+0x7b/0x90 [ 59.240098][ T621] do_syscall_64+0x34/0x70 [ 59.244495][ T621] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.250356][ T621] RIP: 0033:0x7f5152d1a0e9 [ 59.254757][ T621] 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 [ 59.274519][ T621] RSP: 002b:00007f5152c6f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.282911][ T621] RAX: ffffffffffffffda RBX: 00007f5152e2d030 RCX: 00007f5152d1a0e9 [ 59.290862][ T621] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.298911][ T621] RBP: 00007f5152c6f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.306866][ T621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.314818][ T621] R13: 00007ffc1b81870f R14: 00007f5152c6f300 R15: 0000000000022000 [ 59.358644][ C1] !!! css_killed_ref_fn css ffff888110b5c400 !!! [ 59.365004][ C1] !!! css_killed_ref_fn css ffff888110b5e400 !!! [ 59.371493][ T393] !!! css_release css ffff888110b5c400 !!! [ 59.377293][ T393] !!! css_put is zero set CSS_NO_REF css ffff888110b5c400 !!! [ 59.384758][ T393] !!! css_release css ffff888110b5e400 !!! [ 59.390568][ T393] !!! css_put is zero set CSS_NO_REF css ffff888110b5e400 !!! [ 59.398187][ T606] FAULT_INJECTION: forcing a failure. [ 59.398187][ T606] name failslab, interval 1, probability 0, space 0, times 0 [ 59.410989][ T606] CPU: 1 PID: 606 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 59.422628][ T606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.432661][ T606] Call Trace: [ 59.435931][ T606] dump_stack+0x19c/0x1e2 [ 59.440235][ T606] should_fail+0x3f7/0x5b0 [ 59.444623][ T606] __should_failslab+0xd2/0x130 [ 59.449450][ T606] should_failslab+0x9/0x20 [ 59.453936][ T606] slab_pre_alloc_hook+0x25/0xe0 [ 59.458842][ T606] kmem_cache_alloc_trace+0x47/0x2b0 [ 59.464277][ T606] ? percpu_ref_init+0xd0/0x330 [ 59.469229][ T606] percpu_ref_init+0xd0/0x330 [ 59.473877][ T606] ? cgroup_setup_root+0x8a0/0x8a0 [ 59.478958][ T606] cgroup_apply_control_enable+0x3d2/0xf70 [ 59.484732][ T606] cgroup_apply_control+0x36/0x710 [ 59.489826][ T606] ? init_wait_entry+0xe0/0xe0 [ 59.494570][ T606] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.500103][ T606] cgroup_subtree_control_write+0xd05/0x12d0 [ 59.506074][ T606] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 59.512032][ T606] cgroup_file_write+0x22f/0x4f0 [ 59.516952][ T606] kernfs_fop_write_iter+0x2cd/0x410 [ 59.522212][ T606] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.527396][ T606] vfs_write+0xb57/0xe50 [ 59.531615][ T606] ksys_write+0x157/0x260 [ 59.535922][ T606] __x64_sys_write+0x7b/0x90 [ 59.540500][ T606] do_syscall_64+0x34/0x70 [ 59.544902][ T606] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.550767][ T606] RIP: 0033:0x7f9ef7df60e9 [ 59.555156][ T606] 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 [ 59.574916][ T606] RSP: 002b:00007f9ef7d4b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.583302][ T606] RAX: ffffffffffffffda RBX: 00007f9ef7f09030 RCX: 00007f9ef7df60e9 [ 59.591253][ T606] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.599983][ T606] RBP: 00007f9ef7d4b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.608329][ T606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.616462][ T606] R13: 00007ffd87f29d6f R14: 00007f9ef7d4b300 R15: 0000000000022000 [ 59.638625][ C1] !!! css_killed_ref_fn css ffff888110e8e000 !!! [ 59.644995][ C1] !!! css_killed_ref_fn css ffff888110e8c400 !!! [ 59.651635][ T18] !!! css_release css ffff888110e8e000 !!! [ 59.657433][ T18] !!! css_put is zero set CSS_NO_REF css ffff888110e8e000 !!! [ 59.664996][ T393] !!! css_release css ffff888110e8c400 !!! [ 59.670974][ T393] !!! css_put is zero set CSS_NO_REF css ffff888110e8c400 !!! [ 59.679277][ T636] FAULT_INJECTION: forcing a failure. [ 59.679277][ T636] name failslab, interval 1, probability 0, space 0, times 0 [ 59.692082][ T636] CPU: 0 PID: 636 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 59.704336][ T636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.714364][ T636] Call Trace: [ 59.717633][ T636] dump_stack+0x19c/0x1e2 [ 59.721939][ T636] should_fail+0x3f7/0x5b0 [ 59.726334][ T636] __should_failslab+0xd2/0x130 [ 59.731167][ T636] should_failslab+0x9/0x20 [ 59.735680][ T636] slab_pre_alloc_hook+0x25/0xe0 [ 59.740700][ T636] ? __kernfs_new_node+0x4c/0x6d0 [ 59.745710][ T636] __kmalloc_track_caller+0x70/0x300 [ 59.750995][ T636] ? __kernfs_new_node+0x4c/0x6d0 [ 59.756002][ T636] kstrdup_const+0x55/0x90 [ 59.760390][ T636] __kernfs_new_node+0x4c/0x6d0 [ 59.765213][ T636] ? string+0x29f/0x2b0 [ 59.769356][ T636] ? vsnprintf+0x1a6c/0x1b30 [ 59.773925][ T636] kernfs_new_node+0x97/0x170 [ 59.778578][ T636] __kernfs_create_file+0x4a/0x270 [ 59.783672][ T636] cgroup_addrm_files+0x99e/0xeb0 [ 59.788682][ T636] ? delete_node+0x747/0x7a0 [ 59.793252][ T636] css_populate_dir+0x137/0x370 [ 59.798177][ T636] cgroup_apply_control_enable+0x5cd/0xf70 [ 59.804050][ T636] cgroup_apply_control+0x36/0x710 [ 59.809228][ T636] ? init_wait_entry+0xe0/0xe0 [ 59.814048][ T636] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.819307][ T636] cgroup_subtree_control_write+0xd05/0x12d0 [ 59.825259][ T636] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 59.831207][ T636] cgroup_file_write+0x22f/0x4f0 [ 59.836665][ T636] kernfs_fop_write_iter+0x2cd/0x410 [ 59.841917][ T636] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.847003][ T636] vfs_write+0xb57/0xe50 [ 59.851228][ T636] ksys_write+0x157/0x260 [ 59.855536][ T636] __x64_sys_write+0x7b/0x90 [ 59.860361][ T636] do_syscall_64+0x34/0x70 [ 59.864746][ T636] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.870610][ T636] RIP: 0033:0x7f5da5b5e0e9 [ 59.875003][ T636] 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 [ 59.894757][ T636] RSP: 002b:00007f5da5ad4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.903139][ T636] RAX: ffffffffffffffda RBX: 00007f5da5c70f60 RCX: 00007f5da5b5e0e9 [ 59.911080][ T636] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.919104][ T636] RBP: 00007f5da5ad41d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.927047][ T636] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.935117][ T636] R13: 00007ffcb4475d3f R14: 00007f5da5ad4300 R15: 0000000000022000 [ 59.943219][ T636] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 59.978614][ C0] !!! css_killed_ref_fn css ffff8881109b0400 !!! [ 59.985239][ C0] !!! css_killed_ref_fn css ffff8881109b2400 !!! [ 59.991576][ C0] !!! css_killed_ref_fn css ffff8881109b1800 !!! [ 59.998045][ T382] !!! css_release css ffff8881109b0400 !!! [ 60.003859][ T382] !!! css_put is zero set CSS_NO_REF css ffff8881109b0400 !!! [ 60.011778][ T382] !!! css_release css ffff8881109b2400 !!! [ 60.017577][ T382] !!! css_put is zero set CSS_NO_REF css ffff8881109b2400 !!! [ 60.025244][ T382] !!! css_release css ffff8881109b1800 !!! [ 60.031155][ T382] !!! css_put is zero set CSS_NO_REF css ffff8881109b1800 !!! [ 60.038910][ T618] FAULT_INJECTION: forcing a failure. [ 60.038910][ T618] name failslab, interval 1, probability 0, space 0, times 0 [ 60.051851][ T618] CPU: 0 PID: 618 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 60.063556][ T618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.073730][ T618] Call Trace: [ 60.077000][ T618] dump_stack+0x19c/0x1e2 [ 60.081319][ T618] should_fail+0x3f7/0x5b0 [ 60.085710][ T618] __should_failslab+0xd2/0x130 [ 60.090533][ T618] should_failslab+0x9/0x20 [ 60.095093][ T618] slab_pre_alloc_hook+0x25/0xe0 [ 60.099999][ T618] ? __kernfs_new_node+0x4c/0x6d0 [ 60.104993][ T618] __kmalloc_track_caller+0x70/0x300 [ 60.110335][ T618] ? __kernfs_new_node+0x4c/0x6d0 [ 60.115342][ T618] kstrdup_const+0x55/0x90 [ 60.119831][ T618] __kernfs_new_node+0x4c/0x6d0 [ 60.124711][ T618] ? string+0x29f/0x2b0 [ 60.128851][ T618] ? vsnprintf+0x1a6c/0x1b30 [ 60.133436][ T618] kernfs_new_node+0x97/0x170 [ 60.138103][ T618] __kernfs_create_file+0x4a/0x270 [ 60.143197][ T618] cgroup_addrm_files+0x99e/0xeb0 [ 60.148213][ T618] ? delete_node+0x747/0x7a0 [ 60.152781][ T618] css_populate_dir+0x137/0x370 [ 60.157619][ T618] cgroup_apply_control_enable+0x5cd/0xf70 [ 60.163476][ T618] cgroup_apply_control+0x36/0x710 [ 60.168567][ T618] ? init_wait_entry+0xe0/0xe0 [ 60.173309][ T618] ? cgroup_kn_lock_live+0x1af/0x370 [ 60.178579][ T618] cgroup_subtree_control_write+0xd05/0x12d0 [ 60.184556][ T618] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 60.190513][ T618] cgroup_file_write+0x22f/0x4f0 [ 60.195433][ T618] kernfs_fop_write_iter+0x2cd/0x410 [ 60.200697][ T618] ? cgroup_seqfile_stop+0xc0/0xc0 [ 60.205787][ T618] vfs_write+0xb57/0xe50 [ 60.210012][ T618] ksys_write+0x157/0x260 [ 60.214587][ T618] __x64_sys_write+0x7b/0x90 [ 60.219162][ T618] do_syscall_64+0x34/0x70 [ 60.223553][ T618] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.229507][ T618] RIP: 0033:0x7fb73de410e9 [ 60.233893][ T618] 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 [ 60.253470][ T618] RSP: 002b:00007fb73dd96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.261867][ T618] RAX: ffffffffffffffda RBX: 00007fb73df54030 RCX: 00007fb73de410e9 [ 60.269811][ T618] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 60.277758][ T618] RBP: 00007fb73dd961d0 R08: 0000000000000000 R09: 0000000000000000 [ 60.285874][ T618] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.293816][ T618] R13: 00007ffe32dbcc8f R14: 00007fb73dd96300 R15: 0000000000022000 [ 60.302228][ T618] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 60.368630][ C1] !!! css_killed_ref_fn css ffff888111065000 !!! [ 60.375110][ C1] !!! css_killed_ref_fn css ffff888111067000 !!! [ 60.381442][ C1] !!! css_killed_ref_fn css ffff888111064000 !!! [ 60.387885][ T393] !!! css_release css ffff888111065000 !!! [ 60.393772][ T393] !!! css_put is zero set CSS_NO_REF css ffff888111065000 !!! [ 60.401274][ T393] !!! css_release css ffff888111067000 !!! [ 60.407061][ T393] !!! css_put is zero set CSS_NO_REF css ffff888111067000 !!! [ 60.414920][ T393] !!! css_release css ffff888111064000 !!! [ 60.420834][ T393] !!! css_put is zero set CSS_NO_REF css ffff888111064000 !!! [ 60.428527][ T639] FAULT_INJECTION: forcing a failure. [ 60.428527][ T639] name failslab, interval 1, probability 0, space 0, times 0 [ 60.441435][ T639] CPU: 1 PID: 639 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 60.452968][ T639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.463285][ T639] Call Trace: [ 60.466557][ T639] dump_stack+0x19c/0x1e2 [ 60.470863][ T639] should_fail+0x3f7/0x5b0 [ 60.475438][ T639] __should_failslab+0xd2/0x130 [ 60.480368][ T639] should_failslab+0x9/0x20 [ 60.484847][ T639] slab_pre_alloc_hook+0x25/0xe0 [ 60.489755][ T639] kmem_cache_alloc_trace+0x47/0x2b0 [ 60.495010][ T639] ? percpu_ref_init+0xd0/0x330 [ 60.499831][ T639] percpu_ref_init+0xd0/0x330 [ 60.504495][ T639] ? cgroup_setup_root+0x8a0/0x8a0 [ 60.509691][ T639] cgroup_apply_control_enable+0x3d2/0xf70 [ 60.515567][ T639] cgroup_apply_control+0x36/0x710 [ 60.520650][ T639] ? init_wait_entry+0xe0/0xe0 [ 60.525389][ T639] ? cgroup_kn_lock_live+0x1af/0x370 [ 60.530646][ T639] cgroup_subtree_control_write+0xd05/0x12d0 [ 60.536713][ T639] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 60.542664][ T639] cgroup_file_write+0x22f/0x4f0 [ 60.547577][ T639] kernfs_fop_write_iter+0x2cd/0x410 [ 60.552831][ T639] ? cgroup_seqfile_stop+0xc0/0xc0 [ 60.557914][ T639] vfs_write+0xb57/0xe50 [ 60.562126][ T639] ksys_write+0x157/0x260 [ 60.566608][ T639] __x64_sys_write+0x7b/0x90 [ 60.571259][ T639] do_syscall_64+0x34/0x70 [ 60.575648][ T639] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.581509][ T639] RIP: 0033:0x7f5152d1a0e9 [ 60.585917][ 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 [ 60.605842][ T639] RSP: 002b:00007f5152c6f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.614314][ T639] RAX: ffffffffffffffda RBX: 00007f5152e2d030 RCX: 00007f5152d1a0e9 [ 60.622258][ T639] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 60.630384][ T639] RBP: 00007f5152c6f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 60.638335][ T639] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.646278][ T639] R13: 00007ffc1b81870f R14: 00007f5152c6f300 R15: 0000000000022000 [ 60.657115][ T425] ------------[ cut here ]------------ [ 60.662622][ T425] WARNING: CPU: 1 PID: 425 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 60.671543][ T425] Modules linked in: [ 60.675483][ T425] CPU: 1 PID: 425 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 60.687386][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.697570][ T425] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 60.703228][ T425] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 60.723055][ T425] RSP: 0018:ffffc90000cf7d58 EFLAGS: 00010293 [ 60.729137][ T425] RAX: ffffffff81af00ac RBX: ffff88810d4f0b60 RCX: ffff8881025c5b80 [ 60.737375][ T425] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 60.745438][ T425] RBP: ffffc90000cf7dc8 R08: ffffffff81aefdd7 R09: fffff5200019efa3 [ 60.753587][ T425] R10: fffff5200019efa3 R11: 1ffff9200019efa2 R12: dffffc0000000000 [ 60.761653][ T425] R13: ffff88810d4f0a80 R14: 00000000fffffffe R15: 0000000000000000 [ 60.769679][ T425] FS: 0000555556275400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 60.778641][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.785343][ T425] CR2: 000055555627eb38 CR3: 000000011abf5000 CR4: 00000000003506a0 [ 60.793347][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.801495][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.809514][ T425] Call Trace: [ 60.812792][ T425] ? init_wait_entry+0xe0/0xe0 [ 60.817573][ T425] ? up_write+0x68/0x140 [ 60.822445][ T425] namespace_unlock+0x377/0x420 [ 60.827587][ T425] path_umount+0xe23/0xed0 [ 60.832283][ T425] __x64_sys_umount+0xe8/0x110 [ 60.837116][ T425] do_syscall_64+0x34/0x70 [ 60.843382][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.853118][ T425] RIP: 0033:0x7f5152d1b557 [ 60.857517][ T425] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 60.877231][ T425] RSP: 002b:00007ffc1b817868 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 60.885655][ T425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5152d1b557 [ 60.893620][ T425] RDX: 00007ffc1b817939 RSI: 000000000000000a RDI: 00007ffc1b817930 [ 60.901609][ T425] RBP: 00007ffc1b817930 R08: 00000000ffffffff R09: 00007ffc1b817700 [ 60.909584][ T425] R10: 0000555556276ba3 R11: 0000000000000246 R12: 00007f5152d731f8 [ 60.917551][ T425] R13: 00007ffc1b8189f0 R14: 0000555556276b00 R15: 00007ffc1b818a30 [ 60.925539][ T425] ---[ end trace 5f324761e0034463 ]--- [ 60.931074][ T425] ------------[ cut here ]------------ [ 60.936599][ T425] WARNING: CPU: 0 PID: 425 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 60.945748][ T425] Modules linked in: [ 60.948610][ C1] !!! css_killed_ref_fn css ffff888111066c00 !!! [ 60.949669][ T425] CPU: 0 PID: 425 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 60.956072][ C1] !!! css_killed_ref_fn css ffff888110faf800 !!! [ 60.967616][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.974031][ T18] !!! css_release css ffff888111066c00 !!! [ 60.984295][ T425] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 60.990114][ T18] !!! css_put is zero set CSS_NO_REF css ffff888111066c00 !!! [ 60.995787][ T425] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 60.995793][ T425] RSP: 0018:ffffc90000cf7dd0 EFLAGS: 00010293 [ 61.003289][ T18] !!! css_release css ffff888110faf800 !!! [ 61.022939][ T425] RAX: ffffffff81af00ac RBX: ffff88810d4f0b60 RCX: ffff8881025c5b80 [ 61.022951][ T425] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 61.022958][ T425] RBP: ffffc90000cf7e40 R08: ffffffff81aefdd7 R09: fffff5200019efb2 [ 61.022965][ T425] R10: fffff5200019efb2 R11: 1ffff9200019efb1 R12: dffffc0000000000 [ 61.022971][ T425] R13: ffff88810d4f0a80 R14: 00000000fffffffd R15: 0000000000000000 [ 61.022978][ T425] FS: 0000555556275400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 61.022991][ T425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.029776][ T18] !!! css_put is zero set CSS_NO_REF css ffff888110faf800 !!! [ 61.034813][ T425] CR2: 00007fb73dd95ff8 CR3: 000000011abf5000 CR4: 00000000003506b0 [ 61.034824][ T425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.034830][ T425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.034838][ T425] Call Trace: [ 61.043152][ T638] FAULT_INJECTION: forcing a failure. [ 61.043152][ T638] name failslab, interval 1, probability 0, space 0, times 0 [ 61.050857][ T425] path_umount+0x1ad/0xed0 [ 61.050867][ T425] __x64_sys_umount+0xe8/0x110 [ 61.050882][ T425] do_syscall_64+0x34/0x70 [ 61.059801][ T638] CPU: 1 PID: 638 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 61.066802][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.074750][ T638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.074755][ T638] Call Trace: [ 61.074770][ T638] dump_stack+0x19c/0x1e2 [ 61.074780][ T638] should_fail+0x3f7/0x5b0 [ 61.074789][ T638] __should_failslab+0xd2/0x130 [ 61.074798][ T638] should_failslab+0x9/0x20 [ 61.074805][ T638] slab_pre_alloc_hook+0x25/0xe0 [ 61.074821][ T638] kmem_cache_alloc_trace+0x47/0x2b0 [ 61.083929][ T425] RIP: 0033:0x7f5152d1b557 [ 61.090488][ T638] ? percpu_ref_init+0xd0/0x330 [ 61.090497][ T638] percpu_ref_init+0xd0/0x330 [ 61.090514][ T638] ? cgroup_setup_root+0x8a0/0x8a0 [ 61.097940][ T425] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 61.105988][ T638] cgroup_apply_control_enable+0x3d2/0xf70 [ 61.106000][ T638] cgroup_apply_control+0x36/0x710 [ 61.106008][ T638] ? init_wait_entry+0xe0/0xe0 [ 61.106025][ T638] ? cgroup_kn_lock_live+0x1af/0x370 [ 61.114016][ T425] RSP: 002b:00007ffc1b817868 EFLAGS: 00000246 [ 61.121959][ T638] cgroup_subtree_control_write+0xd05/0x12d0 [ 61.121972][ T638] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 61.121990][ T638] cgroup_file_write+0x22f/0x4f0 [ 61.125247][ T425] ORIG_RAX: 00000000000000a6 [ 61.137796][ T638] kernfs_fop_write_iter+0x2cd/0x410 [ 61.137806][ T638] ? cgroup_seqfile_stop+0xc0/0xc0 [ 61.137822][ T638] vfs_write+0xb57/0xe50 [ 61.142261][ T425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5152d1b557 [ 61.147334][ T638] ksys_write+0x157/0x260 [ 61.151742][ T425] RDX: 00007ffc1b817939 RSI: 000000000000000a RDI: 00007ffc1b817930 [ 61.163408][ T638] __x64_sys_write+0x7b/0x90 [ 61.163418][ T638] do_syscall_64+0x34/0x70 [ 61.163435][ T638] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.169478][ T425] RBP: 00007ffc1b817930 R08: 00000000ffffffff R09: 00007ffc1b817700 [ 61.179514][ T638] RIP: 0033:0x7f9ef7df60e9 [ 61.179525][ 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 [ 61.179530][ T638] RSP: 002b:00007f9ef7d6c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.182903][ T425] R10: 0000555556276ba3 R11: 0000000000000246 R12: 00007f5152d731f8 [ 61.187204][ T638] RAX: ffffffffffffffda RBX: 00007f9ef7f08f60 RCX: 00007f9ef7df60e9 [ 61.191606][ T425] R13: 00007ffc1b8189f0 R14: 0000555556276b00 R15: 00007ffc1b818a30 [ 61.196507][ T638] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 61.201006][ T425] ---[ end trace 5f324761e0034464 ]--- [ 61.205891][ T638] RBP: 00007f9ef7d6c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 61.205902][ T638] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.445085][ T638] R13: 00007ffd87f29d6f R14: 00007f9ef7d6c300 R15: 0000000000022000 [ 61.478653][ C1] !!! css_killed_ref_fn css ffff888111241400 !!! [ 61.485127][ C1] !!! css_killed_ref_fn css ffff888111243800 !!! [ 61.491518][ T18] !!! css_release css ffff888111241400 !!! [ 61.497310][ T18] !!! css_put is zero set CSS_NO_REF css ffff888111241400 !!! [ 61.504963][ T18] !!! css_release css ffff888111243800 !!! [ 61.510781][ T18] !!! css_put is zero set CSS_NO_REF css ffff888111243800 !!! [ 61.518746][ T654] FAULT_INJECTION: forcing a failure. [ 61.518746][ T654] name failslab, interval 1, probability 0, space 0, times 0 [ 61.531470][ T654] CPU: 0 PID: 654 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 61.543384][ T654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.553460][ T654] Call Trace: [ 61.556722][ T654] dump_stack+0x19c/0x1e2 [ 61.561022][ T654] should_fail+0x3f7/0x5b0 [ 61.565407][ T654] __should_failslab+0xd2/0x130 [ 61.570227][ T654] should_failslab+0x9/0x20 [ 61.574796][ T654] slab_pre_alloc_hook+0x25/0xe0 [ 61.579701][ T654] ? __kernfs_new_node+0x4c/0x6d0 [ 61.584703][ T654] __kmalloc_track_caller+0x70/0x300 [ 61.590003][ T654] ? __kernfs_new_node+0x4c/0x6d0 [ 61.595004][ T654] kstrdup_const+0x55/0x90 [ 61.599490][ T654] __kernfs_new_node+0x4c/0x6d0 [ 61.604490][ T654] ? string+0x29f/0x2b0 [ 61.608615][ T654] ? vsnprintf+0x1a6c/0x1b30 [ 61.613173][ T654] kernfs_new_node+0x97/0x170 [ 61.617831][ T654] __kernfs_create_file+0x4a/0x270 [ 61.622927][ T654] cgroup_addrm_files+0x99e/0xeb0 [ 61.628031][ T654] ? delete_node+0x747/0x7a0 [ 61.632593][ T654] css_populate_dir+0x137/0x370 [ 61.637502][ T654] cgroup_apply_control_enable+0x5cd/0xf70 [ 61.643375][ T654] cgroup_apply_control+0x36/0x710 [ 61.648463][ T654] ? init_wait_entry+0xe0/0xe0 [ 61.653196][ T654] ? cgroup_kn_lock_live+0x1af/0x370 [ 61.658463][ T654] cgroup_subtree_control_write+0xd05/0x12d0 [ 61.664510][ T654] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 61.670462][ T654] cgroup_file_write+0x22f/0x4f0 [ 61.675375][ T654] kernfs_fop_write_iter+0x2cd/0x410 [ 61.680725][ T654] ? cgroup_seqfile_stop+0xc0/0xc0 [ 61.685823][ T654] vfs_write+0xb57/0xe50 [ 61.690046][ T654] ksys_write+0x157/0x260 [ 61.694670][ T654] __x64_sys_write+0x7b/0x90 [ 61.699264][ T654] do_syscall_64+0x34/0x70 [ 61.703654][ T654] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.709535][ T654] RIP: 0033:0x7f9ef7df60e9 [ 61.713940][ T654] 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 [ 61.733818][ T654] RSP: 002b:00007f9ef7d4b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.742496][ T654] RAX: ffffffffffffffda RBX: 00007f9ef7f09030 RCX: 00007f9ef7df60e9 [ 61.750552][ T654] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 61.758596][ T654] RBP: 00007f9ef7d4b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 61.766753][ T654] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.774748][ T654] R13: 00007ffd87f29d6f R14: 00007f9ef7d4b300 R15: 0000000000022000 [ 61.782865][ T654] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 61.828630][ C0] !!! css_killed_ref_fn css ffff8881113ac000 !!! [ 61.835042][ C0] !!! css_killed_ref_fn css ffff8881113afc00 !!! [ 61.841508][ C0] !!! css_killed_ref_fn css ffff8881113acc00 !!! [ 61.847938][ T382] !!! css_release css ffff8881113ac000 !!! [ 61.854038][ T382] !!! css_put is zero set CSS_NO_REF css ffff8881113ac000 !!! [ 61.861662][ T382] !!! css_release css ffff8881113afc00 !!! [ 61.867822][ T382] !!! css_put is zero set CSS_NO_REF css ffff8881113afc00 !!! [ 61.875625][ T382] !!! css_release css ffff8881113acc00 !!! [ 61.881901][ T382] !!! css_put is zero set CSS_NO_REF css ffff8881113acc00 !!! [ 61.889874][ T646] FAULT_INJECTION: forcing a failure. [ 61.889874][ T646] name failslab, interval 1, probability 0, space 0, times 0 [ 61.902729][ T646] CPU: 0 PID: 646 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 61.914738][ T646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.924870][ T646] Call Trace: [ 61.928142][ T646] dump_stack+0x19c/0x1e2 [ 61.932534][ T646] should_fail+0x3f7/0x5b0 [ 61.936925][ T646] __should_failslab+0xd2/0x130 [ 61.941770][ T646] should_failslab+0x9/0x20 [ 61.946333][ T646] slab_pre_alloc_hook+0x25/0xe0 [ 61.951244][ T646] ? __kernfs_new_node+0x4c/0x6d0 [ 61.956241][ T646] __kmalloc_track_caller+0x70/0x300 [ 61.961692][ T646] ? __kernfs_new_node+0x4c/0x6d0 [ 61.966723][ T646] kstrdup_const+0x55/0x90 [ 61.971113][ T646] __kernfs_new_node+0x4c/0x6d0 [ 61.975936][ T646] ? string+0x29f/0x2b0 [ 61.980324][ T646] ? vsnprintf+0x1a6c/0x1b30 [ 61.984889][ T646] kernfs_new_node+0x97/0x170 [ 61.989723][ T646] __kernfs_create_file+0x4a/0x270 [ 61.994816][ T646] cgroup_addrm_files+0x99e/0xeb0 [ 61.999817][ T646] ? delete_node+0x747/0x7a0 [ 62.004469][ T646] css_populate_dir+0x137/0x370 [ 62.009309][ T646] cgroup_apply_control_enable+0x5cd/0xf70 [ 62.015358][ T646] cgroup_apply_control+0x36/0x710 [ 62.020886][ T646] ? init_wait_entry+0xe0/0xe0 [ 62.025632][ T646] ? cgroup_kn_lock_live+0x1af/0x370 [ 62.030901][ T646] cgroup_subtree_control_write+0xd05/0x12d0 [ 62.036953][ T646] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 62.043014][ T646] cgroup_file_write+0x22f/0x4f0 [ 62.048012][ T646] kernfs_fop_write_iter+0x2cd/0x410 [ 62.053381][ T646] ? cgroup_seqfile_stop+0xc0/0xc0 [ 62.058478][ T646] vfs_write+0xb57/0xe50 [ 62.062712][ T646] ksys_write+0x157/0x260 [ 62.067018][ T646] __x64_sys_write+0x7b/0x90 [ 62.071668][ T646] do_syscall_64+0x34/0x70 [ 62.076164][ T646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.082035][ T646] RIP: 0033:0x7fb73de410e9 [ 62.086433][ 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 [ 62.107061][ T646] RSP: 002b:00007fb73dd96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.115716][ T646] RAX: ffffffffffffffda RBX: 00007fb73df54030 RCX: 00007fb73de410e9 [ 62.123834][ T646] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 62.131874][ T646] RBP: 00007fb73dd961d0 R08: 0000000000000000 R09: 0000000000000000 [ 62.140012][ T646] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.148135][ T646] R13: 00007ffe32dbcc8f R14: 00007fb73dd96300 R15: 0000000000022000 [ 62.156532][ T646] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 62.188623][ C0] !!! css_killed_ref_fn css ffff888111257c00 !!! [ 62.195192][ C0] !!! css_killed_ref_fn css ffff888111255c00 !!! [ 62.201625][ C0] !!! css_killed_ref_fn css ffff888111255000 !!! [ 62.208548][ T382] !!! css_release css ffff888111257c00 !!! [ 62.214392][ T382] !!! css_put is zero set CSS_NO_REF css ffff888111257c00 !!! [ 62.222047][ T382] !!! css_release css ffff888111255c00 !!! [ 62.227839][ T382] !!! css_put is zero set CSS_NO_REF css ffff888111255c00 !!! [ 62.235568][ T382] !!! css_release css ffff888111255000 !!! [ 62.241566][ T382] !!! css_put is zero set CSS_NO_REF css ffff888111255000 !!! [ 62.249364][ T630] FAULT_INJECTION: forcing a failure. [ 62.249364][ T630] name failslab, interval 1, probability 0, space 0, times 0 [ 62.262058][ T630] CPU: 1 PID: 630 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 62.273592][ T630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.283809][ T630] Call Trace: [ 62.287110][ T630] dump_stack+0x19c/0x1e2 [ 62.291526][ T630] should_fail+0x3f7/0x5b0 [ 62.296100][ T630] __should_failslab+0xd2/0x130 [ 62.300938][ T630] should_failslab+0x9/0x20 [ 62.305443][ T630] slab_pre_alloc_hook+0x25/0xe0 [ 62.310366][ T630] ? __kernfs_new_node+0x4c/0x6d0 [ 62.315374][ T630] __kmalloc_track_caller+0x70/0x300 [ 62.320639][ T630] ? __kernfs_new_node+0x4c/0x6d0 [ 62.325732][ T630] kstrdup_const+0x55/0x90 [ 62.330120][ T630] __kernfs_new_node+0x4c/0x6d0 [ 62.334968][ T630] ? string+0x29f/0x2b0 [ 62.339106][ T630] ? vsnprintf+0x1a6c/0x1b30 [ 62.343678][ T630] kernfs_new_node+0x97/0x170 [ 62.348503][ T630] __kernfs_create_file+0x4a/0x270 [ 62.353587][ T630] cgroup_addrm_files+0x99e/0xeb0 [ 62.358650][ T630] ? delete_node+0x747/0x7a0 [ 62.363243][ T630] css_populate_dir+0x137/0x370 [ 62.368375][ T630] cgroup_apply_control_enable+0x5cd/0xf70 [ 62.374383][ T630] cgroup_apply_control+0x36/0x710 [ 62.379492][ T630] ? init_wait_entry+0xe0/0xe0 [ 62.384243][ T630] ? cgroup_kn_lock_live+0x1af/0x370 [ 62.389505][ T630] cgroup_subtree_control_write+0xd05/0x12d0 [ 62.395548][ T630] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 62.401505][ T630] cgroup_file_write+0x22f/0x4f0 [ 62.406517][ T630] kernfs_fop_write_iter+0x2cd/0x410 [ 62.411794][ T630] ? cgroup_seqfile_stop+0xc0/0xc0 [ 62.416994][ T630] vfs_write+0xb57/0xe50 [ 62.421388][ T630] ksys_write+0x157/0x260 [ 62.425694][ T630] __x64_sys_write+0x7b/0x90 [ 62.430614][ T630] do_syscall_64+0x34/0x70 [ 62.435201][ T630] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.441240][ T630] RIP: 0033:0x7f27589320e9 [ 62.445636][ T630] 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 [ 62.465215][ T630] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.473604][ T630] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 62.482175][ T630] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 62.490412][ T630] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 62.498470][ T630] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.506598][ T630] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 62.514767][ T630] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 62.558649][ C1] !!! css_killed_ref_fn css ffff88811156b400 !!! [ 62.565384][ C1] !!! css_killed_ref_fn css ffff88811156a400 !!! [ 62.571835][ C1] !!! css_killed_ref_fn css ffff8881115c8c00 !!! [ 62.578219][ T18] !!! css_release css ffff88811156b400 !!! [ 62.584167][ T18] !!! css_put is zero set CSS_NO_REF css ffff88811156b400 !!! [ 62.591724][ T18] !!! css_release css ffff88811156a400 !!! [ 62.597654][ T18] !!! css_put is zero set CSS_NO_REF css ffff88811156a400 !!! [ 62.605386][ T18] !!! css_release css ffff8881115c8c00 !!! [ 62.611468][ T18] !!! css_put is zero set CSS_NO_REF css ffff8881115c8c00 !!! [ 62.619304][ T664] FAULT_INJECTION: forcing a failure. [ 62.619304][ T664] name failslab, interval 1, probability 0, space 0, times 0 [ 62.632414][ T664] CPU: 0 PID: 664 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 62.643948][ T664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.654170][ T664] Call Trace: [ 62.657442][ T664] dump_stack+0x19c/0x1e2 [ 62.661834][ T664] should_fail+0x3f7/0x5b0 [ 62.666252][ T664] __should_failslab+0xd2/0x130 [ 62.671087][ T664] should_failslab+0x9/0x20 [ 62.675944][ T664] slab_pre_alloc_hook+0x25/0xe0 [ 62.680856][ T664] ? __kernfs_new_node+0x4c/0x6d0 [ 62.685861][ T664] __kmalloc_track_caller+0x70/0x300 [ 62.691124][ T664] ? __kernfs_new_node+0x4c/0x6d0 [ 62.696138][ T664] kstrdup_const+0x55/0x90 [ 62.700549][ T664] __kernfs_new_node+0x4c/0x6d0 [ 62.705383][ T664] ? string+0x29f/0x2b0 [ 62.709874][ T664] ? vsnprintf+0x1a6c/0x1b30 [ 62.714467][ T664] kernfs_new_node+0x97/0x170 [ 62.719116][ T664] __kernfs_create_file+0x4a/0x270 [ 62.724289][ T664] cgroup_addrm_files+0x99e/0xeb0 [ 62.729289][ T664] ? delete_node+0x747/0x7a0 [ 62.733857][ T664] css_populate_dir+0x137/0x370 [ 62.738693][ T664] cgroup_apply_control_enable+0x5cd/0xf70 [ 62.744576][ T664] cgroup_apply_control+0x36/0x710 [ 62.749945][ T664] ? init_wait_entry+0xe0/0xe0 [ 62.754780][ T664] ? cgroup_kn_lock_live+0x1af/0x370 [ 62.760137][ T664] cgroup_subtree_control_write+0xd05/0x12d0 [ 62.766098][ T664] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 62.772050][ T664] cgroup_file_write+0x22f/0x4f0 [ 62.776960][ T664] kernfs_fop_write_iter+0x2cd/0x410 [ 62.782322][ T664] ? cgroup_seqfile_stop+0xc0/0xc0 [ 62.787534][ T664] vfs_write+0xb57/0xe50 [ 62.791964][ T664] ksys_write+0x157/0x260 [ 62.796282][ T664] __x64_sys_write+0x7b/0x90 [ 62.801055][ T664] do_syscall_64+0x34/0x70 [ 62.805465][ T664] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.811458][ T664] RIP: 0033:0x7f27589320e9 [ 62.815851][ 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 [ 62.835529][ T664] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.843931][ T664] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 62.851879][ T664] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/05/27 19:36:08 executed programs: 73 [ 62.859830][ T664] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 62.867794][ T664] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.875755][ T664] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 62.884094][ T664] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 62.928635][ C0] !!! css_killed_ref_fn css ffff88810e1ba400 !!! [ 62.935013][ C0] !!! css_killed_ref_fn css ffff888111888c00 !!! [ 62.941356][ C0] !!! css_killed_ref_fn css ffff88810e0ad800 !!! [ 62.947729][ T382] !!! css_release css ffff88810e1ba400 !!! [ 62.953556][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810e1ba400 !!! [ 62.961225][ T382] !!! css_release css ffff888111888c00 !!! [ 62.967104][ T382] !!! css_put is zero set CSS_NO_REF css ffff888111888c00 !!! [ 62.974784][ T382] !!! css_release css ffff88810e0ad800 !!! [ 62.980658][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810e0ad800 !!! [ 62.988293][ T655] FAULT_INJECTION: forcing a failure. [ 62.988293][ T655] name failslab, interval 1, probability 0, space 0, times 0 [ 63.001120][ T655] CPU: 0 PID: 655 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 63.012838][ T655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.023070][ T655] Call Trace: [ 63.026364][ T655] dump_stack+0x19c/0x1e2 [ 63.030887][ T655] should_fail+0x3f7/0x5b0 [ 63.035382][ T655] __should_failslab+0xd2/0x130 [ 63.040229][ T655] should_failslab+0x9/0x20 [ 63.044711][ T655] slab_pre_alloc_hook+0x25/0xe0 [ 63.049629][ T655] kmem_cache_alloc_trace+0x47/0x2b0 [ 63.055151][ T655] ? pids_css_alloc+0x4e/0x120 [ 63.060009][ T655] pids_css_alloc+0x4e/0x120 [ 63.064596][ T655] cgroup_apply_control_enable+0x381/0xf70 [ 63.070407][ T655] cgroup_apply_control+0x36/0x710 [ 63.075505][ T655] ? init_wait_entry+0xe0/0xe0 [ 63.080249][ T655] ? cgroup_kn_lock_live+0x1af/0x370 [ 63.085525][ T655] cgroup_subtree_control_write+0xd05/0x12d0 [ 63.091753][ T655] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 63.097794][ T655] cgroup_file_write+0x22f/0x4f0 [ 63.102890][ T655] kernfs_fop_write_iter+0x2cd/0x410 [ 63.108163][ T655] ? cgroup_seqfile_stop+0xc0/0xc0 [ 63.113366][ T655] vfs_write+0xb57/0xe50 [ 63.117911][ T655] ksys_write+0x157/0x260 [ 63.122402][ T655] __x64_sys_write+0x7b/0x90 [ 63.127066][ T655] do_syscall_64+0x34/0x70 [ 63.131482][ T655] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.137437][ T655] RIP: 0033:0x7f5152d1a0e9 [ 63.141842][ 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 [ 63.161594][ T655] RSP: 002b:00007f5152c6f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.169990][ T655] RAX: ffffffffffffffda RBX: 00007f5152e2d030 RCX: 00007f5152d1a0e9 [ 63.178026][ T655] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 63.185981][ T655] RBP: 00007f5152c6f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 63.193941][ T655] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.201887][ T655] R13: 00007ffc1b81870f R14: 00007f5152c6f300 R15: 0000000000022000 [ 63.248611][ C1] !!! css_killed_ref_fn css ffff88811188e400 !!! [ 63.255141][ C1] !!! css_killed_ref_fn css ffff88811188d000 !!! [ 63.261908][ T18] !!! css_release css ffff88811188e400 !!! [ 63.267936][ T18] !!! css_put is zero set CSS_NO_REF css ffff88811188e400 !!! [ 63.275867][ T18] !!! css_release css ffff88811188d000 !!! [ 63.281823][ T18] !!! css_put is zero set CSS_NO_REF css ffff88811188d000 !!! [ 63.289604][ T640] FAULT_INJECTION: forcing a failure. [ 63.289604][ T640] name failslab, interval 1, probability 0, space 0, times 0 [ 63.302728][ T640] CPU: 0 PID: 640 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 63.314861][ T640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.324895][ T640] Call Trace: [ 63.328177][ T640] dump_stack+0x19c/0x1e2 [ 63.332489][ T640] should_fail+0x3f7/0x5b0 [ 63.336984][ T640] __should_failslab+0xd2/0x130 [ 63.341826][ T640] should_failslab+0x9/0x20 [ 63.346421][ T640] slab_pre_alloc_hook+0x25/0xe0 [ 63.351505][ T640] kmem_cache_alloc_trace+0x47/0x2b0 [ 63.356766][ T640] ? percpu_ref_init+0xd0/0x330 [ 63.361600][ T640] percpu_ref_init+0xd0/0x330 [ 63.366257][ T640] ? cgroup_setup_root+0x8a0/0x8a0 [ 63.371380][ T640] cgroup_apply_control_enable+0x3d2/0xf70 [ 63.377216][ T640] cgroup_apply_control+0x36/0x710 [ 63.382324][ T640] ? init_wait_entry+0xe0/0xe0 [ 63.387087][ T640] ? cgroup_kn_lock_live+0x1af/0x370 [ 63.392361][ T640] cgroup_subtree_control_write+0xd05/0x12d0 [ 63.398500][ T640] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 63.404510][ T640] cgroup_file_write+0x22f/0x4f0 [ 63.409442][ T640] kernfs_fop_write_iter+0x2cd/0x410 [ 63.414830][ T640] ? cgroup_seqfile_stop+0xc0/0xc0 [ 63.419919][ T640] vfs_write+0xb57/0xe50 [ 63.424137][ T640] ksys_write+0x157/0x260 [ 63.428452][ T640] __x64_sys_write+0x7b/0x90 [ 63.433102][ T640] do_syscall_64+0x34/0x70 [ 63.437500][ T640] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.443675][ T640] RIP: 0033:0x7fbffc9a20e9 [ 63.448078][ 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 [ 63.467930][ T640] RSP: 002b:00007fbffc8f7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.476338][ T640] RAX: ffffffffffffffda RBX: 00007fbffcab5030 RCX: 00007fbffc9a20e9 [ 63.484308][ T640] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 63.492269][ T640] RBP: 00007fbffc8f71d0 R08: 0000000000000000 R09: 0000000000000000 [ 63.500230][ T640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.508234][ T640] R13: 00007ffef0e0b80f R14: 00007fbffc8f7300 R15: 0000000000022000 [ 63.548627][ C0] !!! css_killed_ref_fn css ffff888111983400 !!! [ 63.555086][ C0] !!! css_killed_ref_fn css ffff888111982800 !!! [ 63.561637][ T382] !!! css_release css ffff888111983400 !!! [ 63.567442][ T382] !!! css_put is zero set CSS_NO_REF css ffff888111983400 !!! [ 63.575091][ T382] !!! css_release css ffff888111982800 !!! [ 63.580918][ T382] !!! css_put is zero set CSS_NO_REF css ffff888111982800 !!! [ 63.588666][ T643] FAULT_INJECTION: forcing a failure. [ 63.588666][ T643] name failslab, interval 1, probability 0, space 0, times 0 [ 63.601465][ T643] CPU: 0 PID: 643 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 63.613087][ T643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.623494][ T643] Call Trace: [ 63.626777][ T643] dump_stack+0x19c/0x1e2 [ 63.631086][ T643] should_fail+0x3f7/0x5b0 [ 63.635660][ T643] __should_failslab+0xd2/0x130 [ 63.640485][ T643] should_failslab+0x9/0x20 [ 63.644965][ T643] slab_pre_alloc_hook+0x25/0xe0 [ 63.649880][ T643] ? __kernfs_new_node+0x4c/0x6d0 [ 63.654963][ T643] __kmalloc_track_caller+0x70/0x300 [ 63.660227][ T643] ? __kernfs_new_node+0x4c/0x6d0 [ 63.665223][ T643] kstrdup_const+0x55/0x90 [ 63.669619][ T643] __kernfs_new_node+0x4c/0x6d0 [ 63.674458][ T643] ? string+0x29f/0x2b0 [ 63.678639][ T643] ? vsnprintf+0x1a6c/0x1b30 [ 63.683221][ T643] kernfs_new_node+0x97/0x170 [ 63.687872][ T643] __kernfs_create_file+0x4a/0x270 [ 63.693881][ T643] cgroup_addrm_files+0x99e/0xeb0 [ 63.698894][ T643] ? delete_node+0x747/0x7a0 [ 63.703467][ T643] css_populate_dir+0x137/0x370 [ 63.708303][ T643] cgroup_apply_control_enable+0x5cd/0xf70 [ 63.714365][ T643] cgroup_apply_control+0x36/0x710 [ 63.720066][ T643] ? init_wait_entry+0xe0/0xe0 [ 63.724808][ T643] ? cgroup_kn_lock_live+0x1af/0x370 [ 63.730092][ T643] cgroup_subtree_control_write+0xd05/0x12d0 [ 63.736158][ T643] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 63.742129][ T643] cgroup_file_write+0x22f/0x4f0 [ 63.747125][ T643] kernfs_fop_write_iter+0x2cd/0x410 [ 63.752380][ T643] ? cgroup_seqfile_stop+0xc0/0xc0 [ 63.757896][ T643] vfs_write+0xb57/0xe50 [ 63.762264][ T643] ksys_write+0x157/0x260 [ 63.766582][ T643] __x64_sys_write+0x7b/0x90 [ 63.771242][ T643] do_syscall_64+0x34/0x70 [ 63.775633][ T643] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.781670][ T643] RIP: 0033:0x7f5da5b5e0e9 [ 63.786068][ 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 [ 63.805754][ T643] RSP: 002b:00007f5da5ab3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.814145][ T643] RAX: ffffffffffffffda RBX: 00007f5da5c71030 RCX: 00007f5da5b5e0e9 [ 63.822294][ T643] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 63.830597][ T643] RBP: 00007f5da5ab31d0 R08: 0000000000000000 R09: 0000000000000000 [ 63.838585][ T643] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.846638][ T643] R13: 00007ffcb4475d3f R14: 00007f5da5ab3300 R15: 0000000000022000 [ 63.855105][ T643] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 63.908636][ C0] !!! css_killed_ref_fn css ffff88811198ec00 !!! [ 63.915014][ C0] !!! css_killed_ref_fn css ffff88811198d400 !!! [ 63.921369][ C0] !!! css_killed_ref_fn css ffff88811198f800 !!! [ 63.928027][ T382] !!! css_release css ffff88811198ec00 !!! [ 63.933964][ T382] !!! css_put is zero set CSS_NO_REF css ffff88811198ec00 !!! [ 63.941536][ T382] !!! css_release css ffff88811198d400 !!! [ 63.947332][ T382] !!! css_put is zero set CSS_NO_REF css ffff88811198d400 !!! [ 63.955243][ T382] !!! css_release css ffff88811198f800 !!! [ 63.961259][ T382] !!! css_put is zero set CSS_NO_REF css ffff88811198f800 !!! [ 63.969095][ T658] FAULT_INJECTION: forcing a failure. [ 63.969095][ T658] name failslab, interval 1, probability 0, space 0, times 0 [ 63.981935][ T658] CPU: 0 PID: 658 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 63.993803][ T658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.003962][ T658] Call Trace: [ 64.007329][ T658] dump_stack+0x19c/0x1e2 [ 64.011635][ T658] should_fail+0x3f7/0x5b0 [ 64.016028][ T658] __should_failslab+0xd2/0x130 [ 64.020852][ T658] should_failslab+0x9/0x20 [ 64.025590][ T658] slab_pre_alloc_hook+0x25/0xe0 [ 64.030509][ T658] ? __kernfs_new_node+0x4c/0x6d0 [ 64.035514][ T658] __kmalloc_track_caller+0x70/0x300 [ 64.040774][ T658] ? __kernfs_new_node+0x4c/0x6d0 [ 64.045767][ T658] kstrdup_const+0x55/0x90 [ 64.050160][ T658] __kernfs_new_node+0x4c/0x6d0 [ 64.054980][ T658] ? string+0x29f/0x2b0 [ 64.059116][ T658] ? vsnprintf+0x1a6c/0x1b30 [ 64.063689][ T658] kernfs_new_node+0x97/0x170 [ 64.068350][ T658] __kernfs_create_file+0x4a/0x270 [ 64.073445][ T658] cgroup_addrm_files+0x99e/0xeb0 [ 64.078445][ T658] ? delete_node+0x747/0x7a0 [ 64.083177][ T658] css_populate_dir+0x137/0x370 [ 64.088024][ T658] cgroup_apply_control_enable+0x5cd/0xf70 [ 64.093813][ T658] cgroup_apply_control+0x36/0x710 [ 64.098991][ T658] ? init_wait_entry+0xe0/0xe0 [ 64.103747][ T658] ? cgroup_kn_lock_live+0x1af/0x370 [ 64.109033][ T658] cgroup_subtree_control_write+0xd05/0x12d0 [ 64.115104][ T658] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 64.121146][ T658] cgroup_file_write+0x22f/0x4f0 [ 64.126079][ T658] kernfs_fop_write_iter+0x2cd/0x410 [ 64.132097][ T658] ? cgroup_seqfile_stop+0xc0/0xc0 [ 64.137488][ T658] vfs_write+0xb57/0xe50 [ 64.141798][ T658] ksys_write+0x157/0x260 [ 64.146101][ T658] __x64_sys_write+0x7b/0x90 [ 64.150841][ T658] do_syscall_64+0x34/0x70 [ 64.155230][ T658] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.161102][ T658] RIP: 0033:0x7f9ef7df60e9 [ 64.165683][ 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 [ 64.185803][ T658] RSP: 002b:00007f9ef7d4b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.194411][ T658] RAX: ffffffffffffffda RBX: 00007f9ef7f09030 RCX: 00007f9ef7df60e9 [ 64.202542][ T658] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 64.210556][ T658] RBP: 00007f9ef7d4b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 64.218626][ T658] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 64.226692][ T658] R13: 00007ffd87f29d6f R14: 00007f9ef7d4b300 R15: 0000000000022000 [ 64.235791][ T658] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 64.268617][ C1] !!! css_killed_ref_fn css ffff888111af2800 !!! [ 64.275085][ C1] !!! css_killed_ref_fn css ffff888111af1800 !!! [ 64.281526][ C1] !!! css_killed_ref_fn css ffff88811190d000 !!! [ 64.287997][ T18] !!! css_release css ffff888111af2800 !!! [ 64.293820][ T18] !!! css_put is zero set CSS_NO_REF css ffff888111af2800 !!! [ 64.302023][ T393] !!! css_release css ffff888111af1800 !!! [ 64.307996][ T393] !!! css_put is zero set CSS_NO_REF css ffff888111af1800 !!! [ 64.315883][ T393] !!! css_release css ffff88811190d000 !!! [ 64.321793][ T393] !!! css_put is zero set CSS_NO_REF css ffff88811190d000 !!! [ 64.329669][ T673] FAULT_INJECTION: forcing a failure. [ 64.329669][ T673] name failslab, interval 1, probability 0, space 0, times 0 [ 64.342743][ T673] CPU: 1 PID: 673 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 64.354354][ T673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.364393][ T673] Call Trace: [ 64.367676][ T673] dump_stack+0x19c/0x1e2 [ 64.371985][ T673] should_fail+0x3f7/0x5b0 [ 64.376373][ T673] __should_failslab+0xd2/0x130 [ 64.381197][ T673] should_failslab+0x9/0x20 [ 64.385677][ T673] slab_pre_alloc_hook+0x25/0xe0 [ 64.390583][ T673] kmem_cache_alloc_trace+0x47/0x2b0 [ 64.395950][ T673] ? percpu_ref_init+0xd0/0x330 [ 64.400781][ T673] percpu_ref_init+0xd0/0x330 [ 64.405443][ T673] ? cgroup_setup_root+0x8a0/0x8a0 [ 64.410532][ T673] cgroup_apply_control_enable+0x3d2/0xf70 [ 64.416309][ T673] cgroup_apply_control+0x36/0x710 [ 64.421397][ T673] ? init_wait_entry+0xe0/0xe0 [ 64.426131][ T673] ? cgroup_kn_lock_live+0x1af/0x370 [ 64.431489][ T673] cgroup_subtree_control_write+0xd05/0x12d0 [ 64.437550][ T673] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 64.443518][ T673] cgroup_file_write+0x22f/0x4f0 [ 64.448459][ T673] kernfs_fop_write_iter+0x2cd/0x410 [ 64.453729][ T673] ? cgroup_seqfile_stop+0xc0/0xc0 [ 64.458822][ T673] vfs_write+0xb57/0xe50 [ 64.463039][ T673] ksys_write+0x157/0x260 [ 64.467343][ T673] __x64_sys_write+0x7b/0x90 [ 64.471905][ T673] do_syscall_64+0x34/0x70 [ 64.476327][ T673] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.482294][ T673] RIP: 0033:0x7fbffc9a20e9 [ 64.486908][ T673] 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 [ 64.506586][ T673] RSP: 002b:00007fbffc8f7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.514986][ T673] RAX: ffffffffffffffda RBX: 00007fbffcab5030 RCX: 00007fbffc9a20e9 [ 64.523021][ T673] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 64.531412][ T673] RBP: 00007fbffc8f71d0 R08: 0000000000000000 R09: 0000000000000000 [ 64.539601][ T673] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 64.547648][ T673] R13: 00007ffef0e0b80f R14: 00007fbffc8f7300 R15: 0000000000022000 [ 64.588634][ C1] !!! css_killed_ref_fn css ffff88811190fc00 !!! [ 64.595101][ C1] !!! css_killed_ref_fn css ffff88811190c400 !!! [ 64.601572][ T393] !!! css_release css ffff88811190fc00 !!! [ 64.607366][ T393] !!! css_put is zero set CSS_NO_REF css ffff88811190fc00 !!! [ 64.615546][ T18] !!! css_release css ffff88811190c400 !!! [ 64.621595][ T18] !!! css_put is zero set CSS_NO_REF css ffff88811190c400 !!! [ 64.629372][ T667] FAULT_INJECTION: forcing a failure. [ 64.629372][ T667] name failslab, interval 1, probability 0, space 0, times 0 [ 64.642208][ T667] CPU: 0 PID: 667 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 64.653806][ T667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.663921][ T667] Call Trace: [ 64.667272][ T667] dump_stack+0x19c/0x1e2 [ 64.671575][ T667] should_fail+0x3f7/0x5b0 [ 64.675978][ T667] __should_failslab+0xd2/0x130 [ 64.680815][ T667] should_failslab+0x9/0x20 [ 64.685305][ T667] slab_pre_alloc_hook+0x25/0xe0 [ 64.690305][ T667] kmem_cache_alloc_trace+0x47/0x2b0 [ 64.695726][ T667] ? percpu_ref_init+0xd0/0x330 [ 64.700570][ T667] percpu_ref_init+0xd0/0x330 [ 64.705235][ T667] ? cgroup_setup_root+0x8a0/0x8a0 [ 64.710323][ T667] cgroup_apply_control_enable+0x3d2/0xf70 [ 64.716103][ T667] cgroup_apply_control+0x36/0x710 [ 64.721186][ T667] ? init_wait_entry+0xe0/0xe0 [ 64.725918][ T667] ? cgroup_kn_lock_live+0x1af/0x370 [ 64.731172][ T667] cgroup_subtree_control_write+0xd05/0x12d0 [ 64.737118][ T667] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 64.743151][ T667] cgroup_file_write+0x22f/0x4f0 [ 64.748235][ T667] kernfs_fop_write_iter+0x2cd/0x410 [ 64.753753][ T667] ? cgroup_seqfile_stop+0xc0/0xc0 [ 64.759004][ T667] vfs_write+0xb57/0xe50 [ 64.763216][ T667] ksys_write+0x157/0x260 [ 64.767519][ T667] __x64_sys_write+0x7b/0x90 [ 64.772095][ T667] do_syscall_64+0x34/0x70 [ 64.776485][ T667] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.782365][ T667] RIP: 0033:0x7f27589320e9 [ 64.786760][ 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 [ 64.806351][ T667] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.814830][ T667] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 64.822794][ T667] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 64.831003][ T667] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 64.838955][ T667] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 64.847004][ T667] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 64.908638][ C0] !!! css_killed_ref_fn css ffff888111c7dc00 !!! [ 64.915030][ C0] !!! css_killed_ref_fn css ffff888111c7cc00 !!! [ 64.921427][ T382] !!! css_release css ffff888111c7dc00 !!! [ 64.927245][ T382] !!! css_put is zero set CSS_NO_REF css ffff888111c7dc00 !!! [ 64.935053][ T382] !!! css_release css ffff888111c7cc00 !!! [ 64.940872][ T382] !!! css_put is zero set CSS_NO_REF css ffff888111c7cc00 !!! [ 64.948798][ T685] FAULT_INJECTION: forcing a failure. [ 64.948798][ T685] name failslab, interval 1, probability 0, space 0, times 0 [ 64.961468][ T685] CPU: 1 PID: 685 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 64.973420][ T685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.983663][ T685] Call Trace: [ 64.986931][ T685] dump_stack+0x19c/0x1e2 [ 64.991236][ T685] should_fail+0x3f7/0x5b0 [ 64.995620][ T685] __should_failslab+0xd2/0x130 [ 65.000440][ T685] should_failslab+0x9/0x20 [ 65.005019][ T685] slab_pre_alloc_hook+0x25/0xe0 [ 65.009930][ T685] ? __kernfs_new_node+0x4c/0x6d0 [ 65.014936][ T685] __kmalloc_track_caller+0x70/0x300 [ 65.020196][ T685] ? __kernfs_new_node+0x4c/0x6d0 [ 65.025184][ T685] kstrdup_const+0x55/0x90 [ 65.029596][ T685] __kernfs_new_node+0x4c/0x6d0 [ 65.034506][ T685] ? string+0x29f/0x2b0 [ 65.038717][ T685] ? vsnprintf+0x1a6c/0x1b30 [ 65.043284][ T685] kernfs_new_node+0x97/0x170 [ 65.047935][ T685] __kernfs_create_file+0x4a/0x270 [ 65.053014][ T685] cgroup_addrm_files+0x99e/0xeb0 [ 65.058008][ T685] ? delete_node+0x747/0x7a0 [ 65.062570][ T685] css_populate_dir+0x137/0x370 [ 65.067396][ T685] cgroup_apply_control_enable+0x5cd/0xf70 [ 65.073174][ T685] cgroup_apply_control+0x36/0x710 [ 65.078365][ T685] ? init_wait_entry+0xe0/0xe0 [ 65.083116][ T685] ? cgroup_kn_lock_live+0x1af/0x370 [ 65.088477][ T685] cgroup_subtree_control_write+0xd05/0x12d0 [ 65.094445][ T685] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 65.100498][ T685] cgroup_file_write+0x22f/0x4f0 [ 65.105415][ T685] kernfs_fop_write_iter+0x2cd/0x410 [ 65.110778][ T685] ? cgroup_seqfile_stop+0xc0/0xc0 [ 65.116088][ T685] vfs_write+0xb57/0xe50 [ 65.120315][ T685] ksys_write+0x157/0x260 [ 65.124629][ T685] __x64_sys_write+0x7b/0x90 [ 65.129196][ T685] do_syscall_64+0x34/0x70 [ 65.133669][ T685] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.139639][ T685] RIP: 0033:0x7f27589320e9 [ 65.144035][ T685] 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 [ 65.163627][ T685] RSP: 002b:00007f2758887168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.172497][ T685] RAX: ffffffffffffffda RBX: 00007f2758a45030 RCX: 00007f27589320e9 [ 65.180473][ T685] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 65.188433][ T685] RBP: 00007f27588871d0 R08: 0000000000000000 R09: 0000000000000000 [ 65.196485][ T685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 65.204472][ T685] R13: 00007ffff39bf0ef R14: 00007f2758887300 R15: 0000000000022000 [ 65.214309][ T685] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 65.224359][ T422] ------------[ cut here ]------------ [ 65.229975][ T422] WARNING: CPU: 0 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 65.238905][ T422] Modules linked in: [ 65.242896][ T422] CPU: 0 PID: 422 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 65.255027][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.265212][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 65.270976][ T422] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 65.290859][ T422] RSP: 0018:ffffc90000ca7d58 EFLAGS: 00010293 [ 65.297028][ T422] RAX: ffffffff81af00ac RBX: ffff88810ea0f2e0 RCX: ffff888108748000 [ 65.305134][ T422] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 65.313240][ T422] RBP: ffffc90000ca7dc8 R08: ffffffff81aefdd7 R09: fffff52000194fa3 [ 65.321626][ T422] R10: fffff52000194fa3 R11: 1ffff92000194fa2 R12: dffffc0000000000 [ 65.329612][ T422] R13: ffff88810ea0f200 R14: 00000000ffffffff R15: 0000000000000000 [ 65.337582][ T422] FS: 0000555556302400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 65.346961][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.353550][ T422] CR2: 00007ffff39bdfe8 CR3: 000000010900f000 CR4: 00000000003506b0 [ 65.361686][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.369701][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.377659][ T422] Call Trace: [ 65.380962][ T422] ? init_wait_entry+0xe0/0xe0 [ 65.385714][ T422] ? up_write+0x68/0x140 [ 65.390050][ T422] namespace_unlock+0x377/0x420 [ 65.394889][ T422] path_umount+0xe23/0xed0 [ 65.399315][ T422] __x64_sys_umount+0xe8/0x110 [ 65.404070][ T422] do_syscall_64+0x34/0x70 [ 65.408853][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.414989][ T422] RIP: 0033:0x7f2758933557 [ 65.419420][ T422] 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 [ 65.439149][ T422] RSP: 002b:00007ffff39be248 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 65.447646][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2758933557 [ 65.455728][ T422] RDX: 00007ffff39be31a RSI: 000000000000000a RDI: 00007ffff39be310 [ 65.463707][ T422] RBP: 00007ffff39be310 R08: 00000000ffffffff R09: 00007ffff39be0e0 [ 65.471709][ T422] R10: 0000555556303ba3 R11: 0000000000000246 R12: 00007f275898b1f8 [ 65.479870][ T422] R13: 00007ffff39bf3d0 R14: 0000555556303b00 R15: 00007ffff39bf410 [ 65.487823][ T422] ---[ end trace 5f324761e0034465 ]--- [ 65.493336][ T422] ------------[ cut here ]------------ [ 65.498823][ T422] WARNING: CPU: 0 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 65.507863][ T422] Modules linked in: [ 65.511833][ T422] CPU: 0 PID: 422 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 65.523753][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.533825][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 65.539453][ T422] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 65.559509][ T422] RSP: 0018:ffffc90000ca7dd0 EFLAGS: 00010293 [ 65.565731][ T422] RAX: ffffffff81af00ac RBX: ffff88810ea0f2e0 RCX: ffff888108748000 [ 65.573810][ T422] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 65.581993][ T422] RBP: ffffc90000ca7e40 R08: ffffffff81aefdd7 R09: fffff52000194fb2 [ 65.590051][ T422] R10: fffff52000194fb2 R11: 1ffff92000194fb1 R12: dffffc0000000000 [ 65.598026][ T422] R13: ffff88810ea0f200 R14: 00000000fffffffd R15: 0000000000000000 [ 65.606093][ T422] FS: 0000555556302400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 65.615117][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.621794][ T422] CR2: 00007ffff39bdfe8 CR3: 000000010900f000 CR4: 00000000003506b0 [ 65.629954][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.637905][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.645879][ T422] Call Trace: [ 65.649184][ T422] path_umount+0x1ad/0xed0 [ 65.653590][ T422] __x64_sys_umount+0xe8/0x110 [ 65.658338][ T422] do_syscall_64+0x34/0x70 [ 65.662761][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.668654][ T422] RIP: 0033:0x7f2758933557 [ 65.673052][ T422] 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 [ 65.693185][ T422] RSP: 002b:00007ffff39be248 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 65.701696][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2758933557 [ 65.710202][ T422] RDX: 00007ffff39be31a RSI: 000000000000000a RDI: 00007ffff39be310 [ 65.718173][ T422] RBP: 00007ffff39be310 R08: 00000000ffffffff R09: 00007ffff39be0e0 [ 65.726236][ T422] R10: 0000555556303ba3 R11: 0000000000000246 R12: 00007f275898b1f8 [ 65.734383][ T422] R13: 00007ffff39bf3d0 R14: 0000555556303b00 R15: 00007ffff39bf410 [ 65.742782][ T422] ---[ end trace 5f324761e0034466 ]--- [ 65.752444][ C0] !!! css_killed_ref_fn css ffff888111d64000 !!! [ 65.758902][ C0] !!! css_killed_ref_fn css ffff888111d66800 !!! [ 65.765215][ C0] !!! css_killed_ref_fn css ffff888111d66000 !!! [ 65.771584][ T382] !!! css_release css ffff888111d64000 !!! [ 65.777379][ T382] !!! css_put is zero set CSS_NO_REF css ffff888111d64000 !!! [ 65.784980][ T382] !!! css_release css ffff888111d66800 !!! [ 65.791117][ T382] !!! css_put is zero set CSS_NO_REF css ffff888111d66800 !!! [ 65.798900][ T679] FAULT_INJECTION: forcing a failure. [ 65.798900][ T679] name failslab, interval 1, probability 0, space 0, times 0 [ 65.812046][ T679] CPU: 0 PID: 679 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 65.823767][ T679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.833808][ T679] Call Trace: [ 65.837111][ T679] dump_stack+0x19c/0x1e2 [ 65.841429][ T679] should_fail+0x3f7/0x5b0 [ 65.845928][ T679] __should_failslab+0xd2/0x130 [ 65.850803][ T679] should_failslab+0x9/0x20 [ 65.855303][ T679] slab_pre_alloc_hook+0x25/0xe0 [ 65.860251][ T679] kmem_cache_alloc_trace+0x47/0x2b0 [ 65.865531][ T679] ? percpu_ref_init+0xd0/0x330 [ 65.870369][ T679] percpu_ref_init+0xd0/0x330 [ 65.875037][ T679] ? cgroup_setup_root+0x8a0/0x8a0 [ 65.880147][ T679] cgroup_apply_control_enable+0x3d2/0xf70 [ 65.885934][ T679] cgroup_apply_control+0x36/0x710 [ 65.891028][ T679] ? init_wait_entry+0xe0/0xe0 [ 65.895766][ T679] ? cgroup_kn_lock_live+0x1af/0x370 [ 65.901110][ T679] cgroup_subtree_control_write+0xd05/0x12d0 [ 65.907237][ T679] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 65.913277][ T679] cgroup_file_write+0x22f/0x4f0 [ 65.918191][ T679] kernfs_fop_write_iter+0x2cd/0x410 [ 65.923536][ T679] ? cgroup_seqfile_stop+0xc0/0xc0 [ 65.928708][ T679] vfs_write+0xb57/0xe50 [ 65.932931][ T679] ksys_write+0x157/0x260 [ 65.937238][ T679] __x64_sys_write+0x7b/0x90 [ 65.941987][ T679] do_syscall_64+0x34/0x70 [ 65.946394][ T679] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.952276][ T679] RIP: 0033:0x7f9ef7df60e9 [ 65.956673][ T679] 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 [ 65.976563][ T679] RSP: 002b:00007f9ef7d4b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.984971][ T679] RAX: ffffffffffffffda RBX: 00007f9ef7f09030 RCX: 00007f9ef7df60e9 [ 65.992925][ T679] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 66.000890][ T679] RBP: 00007f9ef7d4b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 66.008861][ T679] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.017061][ T679] R13: 00007ffd87f29d6f R14: 00007f9ef7d4b300 R15: 0000000000022000 [ 66.058618][ C0] !!! css_killed_ref_fn css ffff888111d67000 !!! [ 66.065028][ C0] !!! css_killed_ref_fn css ffff888111d65000 !!! [ 66.071582][ T5] !!! css_release css ffff888111d67000 !!! [ 66.077384][ T5] !!! css_put is zero set CSS_NO_REF css ffff888111d67000 !!! [ 66.085081][ T5] !!! css_release css ffff888111d65000 !!! [ 66.090932][ T5] !!! css_put is zero set CSS_NO_REF css ffff888111d65000 !!! [ 66.098523][ T682] FAULT_INJECTION: forcing a failure. [ 66.098523][ T682] name failslab, interval 1, probability 0, space 0, times 0 [ 66.111480][ T682] CPU: 1 PID: 682 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 66.122994][ T682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.133026][ T682] Call Trace: [ 66.136288][ T682] dump_stack+0x19c/0x1e2 [ 66.140678][ T682] should_fail+0x3f7/0x5b0 [ 66.145064][ T682] __should_failslab+0xd2/0x130 [ 66.149881][ T682] should_failslab+0x9/0x20 [ 66.154435][ T682] slab_pre_alloc_hook+0x25/0xe0 [ 66.159340][ T682] ? __kernfs_new_node+0x4c/0x6d0 [ 66.164330][ T682] __kmalloc_track_caller+0x70/0x300 [ 66.169594][ T682] ? __kernfs_new_node+0x4c/0x6d0 [ 66.174585][ T682] kstrdup_const+0x55/0x90 [ 66.178969][ T682] __kernfs_new_node+0x4c/0x6d0 [ 66.183792][ T682] ? string+0x29f/0x2b0 [ 66.187914][ T682] ? vsnprintf+0x1a6c/0x1b30 [ 66.193463][ T682] kernfs_new_node+0x97/0x170 [ 66.198135][ T682] __kernfs_create_file+0x4a/0x270 [ 66.203233][ T682] cgroup_addrm_files+0x99e/0xeb0 [ 66.208334][ T682] ? delete_node+0x747/0x7a0 [ 66.212911][ T682] css_populate_dir+0x137/0x370 [ 66.217840][ T682] cgroup_apply_control_enable+0x5cd/0xf70 [ 66.223717][ T682] cgroup_apply_control+0x36/0x710 [ 66.228946][ T682] ? init_wait_entry+0xe0/0xe0 [ 66.233695][ T682] ? cgroup_kn_lock_live+0x1af/0x370 [ 66.238956][ T682] cgroup_subtree_control_write+0xd05/0x12d0 [ 66.245222][ T682] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 66.251186][ T682] cgroup_file_write+0x22f/0x4f0 [ 66.256226][ T682] kernfs_fop_write_iter+0x2cd/0x410 [ 66.261673][ T682] ? cgroup_seqfile_stop+0xc0/0xc0 [ 66.266776][ T682] vfs_write+0xb57/0xe50 [ 66.271006][ T682] ksys_write+0x157/0x260 [ 66.275360][ T682] __x64_sys_write+0x7b/0x90 [ 66.279931][ T682] do_syscall_64+0x34/0x70 [ 66.284442][ T682] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.290312][ T682] RIP: 0033:0x7fbffc9a20e9 [ 66.294715][ T682] 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 [ 66.314288][ T682] RSP: 002b:00007fbffc8f7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.322672][ T682] RAX: ffffffffffffffda RBX: 00007fbffcab5030 RCX: 00007fbffc9a20e9 [ 66.330618][ T682] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 66.338558][ T682] RBP: 00007fbffc8f71d0 R08: 0000000000000000 R09: 0000000000000000 [ 66.346604][ T682] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.354561][ T682] R13: 00007ffef0e0b80f R14: 00007fbffc8f7300 R15: 0000000000022000 [ 66.363112][ T682] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 66.372066][ T421] ------------[ cut here ]------------ [ 66.377585][ T421] WARNING: CPU: 0 PID: 421 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 66.387784][ T421] Modules linked in: [ 66.391684][ T421] CPU: 0 PID: 421 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 66.403218][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.413282][ T421] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 66.418935][ T421] Code: 48 c7 c2 80 dd c4 85 e8 92 e4 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 23 73 a7 ff e9 28 fd ff ff [ 66.438835][ T421] RSP: 0018:ffffc90000c97dd0 EFLAGS: 00010293 [ 66.444897][ T421] RAX: ffffffff81af00ac RBX: ffff88810ea0efe0 RCX: ffff8881025c3d00 [ 66.453090][ T421] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 66.461191][ T421] RBP: ffffc90000c97e40 R08: ffffffff81aefdd7 R09: fffff52000192fb2 [ 66.469185][ T421] R10: fffff52000192fb2 R11: 1ffff92000192fb1 R12: dffffc0000000000 [ 66.477276][ T421] R13: ffff88810ea0ef00 R14: 00000000ffffffff R15: 0000000000000000 [ 66.485276][ T421] FS: 00005555565b5400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 66.494205][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.500796][ T421] CR2: 00005555565beb38 CR3: 0000000114dd4000 CR4: 00000000003506b0 [ 66.508893][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.516950][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.524925][ T421] Call Trace: [ 66.528200][ T421] path_umount+0x1ad/0xed0 [ 66.532624][ T421] __x64_sys_umount+0xe8/0x110 [ 66.538251][ T421] do_syscall_64+0x34/0x70 [ 66.542760][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.548643][ T421] RIP: 0033:0x7fbffc9a3557 [ 66.553038][ T421] 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 [ 66.572914][ T421] RSP: 002b:00007ffef0e0a968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 66.581335][ T421] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbffc9a3557 [ 66.589330][ T421] RDX: 00007ffef0e0aa3a RSI: 000000000000000a RDI: 00007ffef0e0aa30 [ 66.597287][ T421] RBP: 00007ffef0e0aa30 R08: 00000000ffffffff R09: 00007ffef0e0a800 [ 66.605318][ T421] R10: 00005555565b6ba3 R11: 0000000000000246 R12: 00007fbffc9fb1f8 [ 66.613288][ T421] R13: 00007ffef0e0baf0 R14: 00005555565b6b00 R15: 00007ffef0e0bb30 [ 66.621263][ T421] ---[ end trace 5f324761e0034467 ]--- [ 66.626775][ T421] ------------[ cut here ]------------ [ 66.632372][ T421] WARNING: CPU: 1 PID: 421 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 66.638622][ C0] !!! css_killed_ref_fn css ffff888111fa5000 !!! [ 66.641102][ T421] Modules linked in: [ 66.647272][ C0] !!! css_killed_ref_fn css ffff888111fa4800 !!! [ 66.647303][ T421] [ 66.651167][ C0] !!! css_killed_ref_fn css ffff888111fa5c00 !!! [ 66.651367][ T5] !!! css_release css ffff888111fa5000 !!! [ 66.658070][ T421] CPU: 1 PID: 421 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 66.660484][ T5] !!! css_put is zero set CSS_NO_REF css ffff888111fa5000 !!! [ 66.666935][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.672853][ T5] !!! css_release css ffff888111fa4800 !!! [ 66.684288][ T421] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 66.691748][ T5] !!! css_put is zero set CSS_NO_REF css ffff888111fa4800 !!! [ 66.691981][ T661] FAULT_INJECTION: forcing a failure. [ 66.691981][ T661] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 66.702171][ T421] Code: cd a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1e 02 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 0b 02 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 18 2d 20 86 80 e1 07 80 c1 03 38 c1 [ 66.707880][ T661] CPU: 0 PID: 661 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 66.713186][ T421] RSP: 0018:ffffc90000c97e30 EFLAGS: 00010293 [ 66.721048][ T661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.721052][ T661] Call Trace: [ 66.721066][ T661] dump_stack+0x19c/0x1e2 [ 66.721076][ T661] should_fail+0x3f7/0x5b0 [ 66.721091][ T661] should_fail_alloc_page+0xa9/0xd0 [ 66.734484][ T421] [ 66.754095][ T661] __alloc_pages_nodemask+0x121/0x740 [ 66.754107][ T661] ? pcpu_alloc_area+0x7ab/0x900 [ 66.754116][ T661] allocate_slab+0x72/0x580 [ 66.754124][ T661] ___slab_alloc+0x131/0x2e0 [ 66.754133][ T661] ? percpu_ref_init+0xd0/0x330 [ 66.754140][ T661] __slab_alloc+0x63/0xa0 [ 66.754153][ T661] ? percpu_ref_init+0xd0/0x330 [ 66.765929][ T421] RAX: ffffffff81b00b75 RBX: ffffe8ffffd4500c RCX: ffff8881025c3d00 [ 66.771878][ T661] kmem_cache_alloc_trace+0xe5/0x2b0 [ 66.771888][ T661] ? percpu_ref_init+0xd0/0x330 [ 66.771897][ T661] percpu_ref_init+0xd0/0x330 [ 66.771907][ T661] ? cgroup_setup_root+0x8a0/0x8a0 [ 66.771916][ T661] cgroup_apply_control_enable+0x3d2/0xf70 [ 66.771926][ T661] cgroup_apply_control+0x36/0x710 [ 66.771934][ T661] ? init_wait_entry+0xe0/0xe0 [ 66.771943][ T661] ? cgroup_kn_lock_live+0x1af/0x370 [ 66.771953][ T661] cgroup_subtree_control_write+0xd05/0x12d0 [ 66.771968][ T661] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 66.782329][ T421] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 66.785464][ T661] cgroup_file_write+0x22f/0x4f0 [ 66.785475][ T661] kernfs_fop_write_iter+0x2cd/0x410 [ 66.785488][ T661] ? cgroup_seqfile_stop+0xc0/0xc0 [ 66.789931][ T421] RBP: ffffc90000c97e80 R08: ffffffff81b00853 R09: fffff52000192fcd [ 66.794276][ T661] vfs_write+0xb57/0xe50 [ 66.794286][ T661] ksys_write+0x157/0x260 [ 66.794299][ T661] __x64_sys_write+0x7b/0x90 [ 66.799515][ T421] R10: fffff52000192fcd R11: 1ffff92000192fcc R12: ffff88810ea0ef48 [ 66.801785][ T661] do_syscall_64+0x34/0x70 [ 66.801795][ T661] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.801807][ T661] RIP: 0033:0x7fb73de410e9 [ 66.807267][ T421] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 66.812159][ 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 [ 66.812166][ T661] RSP: 002b:00007fb73dd96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.812183][ T661] RAX: ffffffffffffffda RBX: 00007fb73df54030 RCX: 00007fb73de410e9 [ 66.816686][ T421] FS: 00005555565b5400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 66.821389][ T661] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 66.821396][ T661] RBP: 00007fb73dd961d0 R08: 0000000000000000 R09: 0000000000000000 [ 66.821402][ T661] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.821409][ T661] R13: 00007ffe32dbcc8f R14: 00007fb73dd96300 R15: 0000000000022000 [ 67.049867][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.056484][ T421] CR2: 00007f9ef7d4aff8 CR3: 0000000114dd4000 CR4: 00000000003506a0 [ 67.065027][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.068604][ C0] !!! css_killed_ref_fn css ffff888111fb5400 !!! [ 67.073097][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.079419][ C0] !!! css_killed_ref_fn css ffff888111fb7800 !!! [ 67.087403][ T421] Call Trace: [ 67.093851][ C0] !!! css_killed_ref_fn css ffff888111fb7000 !!! [ 67.093859][ C0] !!! css_release css ffff888111fb7000 !!! [ 67.093868][ C0] list_add corruption. prev->next should be next (ffff8881f705b460), but was ffff888111fb7070. (prev=ffff888111fb7070). [ 67.093927][ C0] ------------[ cut here ]------------ [ 67.093933][ C0] kernel BUG at lib/list_debug.c:28! [ 67.093954][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 67.093965][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.10.118-syzkaller-00001-g4c95bf6dbe4f #0 [ 67.093970][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.093984][ C0] RIP: 0010:__list_add_valid+0xde/0xf0 [ 67.093993][ C0] Code: f1 31 c0 e8 f7 6a 1c 02 0f 0b 48 c7 c7 50 41 d6 85 e8 b6 f2 19 00 48 c7 c7 c0 00 03 85 4c 89 f6 4c 89 e1 31 c0 e8 d5 6a 1c 02 <0f> 0b 48 c7 c7 60 41 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 67.093998][ C0] RSP: 0018:ffffc90000007bc0 EFLAGS: 00010046 [ 67.094009][ C0] RAX: 0000000000000075 RBX: ffff8881f705b468 RCX: c38a2811c6aeb400 [ 67.094015][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 67.094022][ C0] RBP: ffffc90000007be8 R08: ffffffff81514568 R09: fffff52000000f45 [ 67.094028][ C0] R10: fffff52000000f45 R11: 1ffff92000000f44 R12: ffff888111fb7070 [ 67.094034][ C0] R13: dffffc0000000000 R14: ffff8881f705b460 R15: ffff888111fb7070 [ 67.094041][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 67.094048][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.094055][ C0] CR2: 00007fb73df55090 CR3: 00000001086d1000 CR4: 00000000003506b0 [ 67.094064][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.094070][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.094073][ C0] Call Trace: [ 67.094076][ C0] [ 67.094086][ C0] insert_work+0xfc/0x330 [ 67.094096][ C0] __queue_work+0x99e/0xe20 [ 67.094105][ C0] queue_work_on+0xbe/0x110 [ 67.094114][ C0] css_release+0xc0/0xd0 [ 67.094124][ C0] percpu_ref_switch_to_atomic_rcu+0x5be/0x5e0 [ 67.094134][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 67.094141][ C0] rcu_do_batch+0x4ad/0xb00 [ 67.094150][ C0] rcu_core+0x64a/0xdf0 [ 67.094160][ C0] rcu_core_si+0x9/0x10 [ 67.094170][ C0] __do_softirq+0x253/0x67b [ 67.094179][ C0] asm_call_irq_on_stack+0xf/0x20 [ 67.094182][ C0] [ 67.094191][ C0] do_softirq_own_stack+0x60/0x80 [ 67.094200][ C0] __irq_exit_rcu+0x152/0x1e0 [ 67.094208][ C0] irq_exit_rcu+0x9/0x10 [ 67.094218][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 67.094226][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 67.094236][ C0] RIP: 0010:acpi_idle_do_entry+0xbb/0x1f0 [ 67.094243][ C0] Code: 89 de 48 83 e6 08 31 ff e8 62 51 0a fd 48 83 e3 08 0f 85 ae 00 00 00 e9 0c 00 00 00 e8 2e 4c 0a fd 0f 00 2d e7 33 ab 00 fb f4 e9 a1 00 00 00 49 83 c6 04 4c 89 f0 48 c1 e8 03 42 8a 04 38 84 [ 67.094248][ C0] RSP: 0018:ffffffff85a07ce8 EFLAGS: 00000246 [ 67.094256][ C0] RAX: 1ffffffff0b43630 RBX: 0000000000000000 RCX: 0000000000000000 [ 67.094262][ C0] RDX: ffffffff85a1b180 RSI: 0000000000000000 RDI: 0000000000000000 [ 67.094269][ C0] RBP: ffffffff85a07d00 R08: ffffffff845ec13e R09: fffffbfff0b43631 [ 67.094275][ C0] R10: fffffbfff0b43631 R11: 1ffffffff0b43630 R12: 0000000000000001 [ 67.094282][ C0] R13: ffff888100077804 R14: ffff8881018e6864 R15: dffffc0000000000 [ 67.094291][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 67.094300][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 67.094308][ C0] acpi_idle_enter+0x32d/0x4f0 [ 67.094314][ C0] ? rcu_dynticks_eqs_enter+0xa/0x40 [ 67.094323][ C0] cpuidle_enter_state+0x4c8/0x10d0 [ 67.094332][ C0] cpuidle_enter+0x5f/0xa0 [ 67.094339][ C0] do_idle+0x3a8/0x540 [ 67.094345][ C0] cpu_startup_entry+0x25/0x30 [ 67.094352][ C0] rest_init+0xe6/0xf0 [ 67.094359][ C0] ? time_init+0x38/0x38 [ 67.094367][ C0] arch_call_rest_init+0xe/0x10 [ 67.094373][ C0] start_kernel+0x473/0x50e [ 67.094380][ C0] x86_64_start_reservations+0x2a/0x2c [ 67.094387][ C0] x86_64_start_kernel+0x7a/0x7d [ 67.094394][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 67.094398][ C0] Modules linked in: [ 67.094406][ C0] ---[ end trace 5f324761e0034468 ]--- [ 67.094413][ C0] RIP: 0010:__list_add_valid+0xde/0xf0 [ 67.094419][ C0] Code: f1 31 c0 e8 f7 6a 1c 02 0f 0b 48 c7 c7 50 41 d6 85 e8 b6 f2 19 00 48 c7 c7 c0 00 03 85 4c 89 f6 4c 89 e1 31 c0 e8 d5 6a 1c 02 <0f> 0b 48 c7 c7 60 41 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 67.094424][ C0] RSP: 0018:ffffc90000007bc0 EFLAGS: 00010046 [ 67.094431][ C0] RAX: 0000000000000075 RBX: ffff8881f705b468 RCX: c38a2811c6aeb400 [ 67.094435][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 67.094441][ C0] RBP: ffffc90000007be8 R08: ffffffff81514568 R09: fffff52000000f45 [ 67.094446][ C0] R10: fffff52000000f45 R11: 1ffff92000000f44 R12: ffff888111fb7070 [ 67.094452][ C0] R13: dffffc0000000000 R14: ffff8881f705b460 R15: ffff888111fb7070 [ 67.094458][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 67.094463][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.094468][ C0] CR2: 00007fb73df55090 CR3: 00000001086d1000 CR4: 00000000003506b0 [ 67.094473][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.094477][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.094482][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 68.175466][ C0] Shutting down cpus with NMI [ 68.175751][ C0] Kernel Offset: disabled [ 68.722651][ C0] Rebooting in 86400 seconds..