Warning: Permanently added '10.128.1.65' (ECDSA) to the list of known hosts. 2022/05/31 19:00:10 parsed 1 programs [ 37.200714][ T23] audit: type=1400 audit(1654023610.569:149): avc: denied { mounton } for pid=400 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 37.201018][ T400] cgroup: Unknown subsys name 'net' [ 37.230637][ T400] cgroup: Unknown subsys name 'devices' [ 37.237519][ T400] cgroup: Unknown subsys name 'hugetlb' [ 37.243949][ T400] cgroup: Unknown subsys name 'rlimit' 2022/05/31 19:00:10 executed programs: 0 [ 37.250452][ T23] audit: type=1400 audit(1654023610.619:150): avc: denied { mounton } for pid=400 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 37.294193][ T23] audit: type=1400 audit(1654023610.619:151): avc: denied { mount } for pid=400 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 37.336678][ T23] audit: type=1400 audit(1654023610.659:152): avc: denied { mounton } for pid=405 comm="syz-executor.0" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 37.371811][ T405] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.371929][ T23] audit: type=1400 audit(1654023610.659:153): avc: denied { module_request } for pid=405 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 37.380926][ T405] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.409954][ T405] device bridge_slave_0 entered promiscuous mode [ 37.443356][ T405] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.450856][ T405] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.459297][ T405] device bridge_slave_1 entered promiscuous mode [ 37.558964][ T412] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.567468][ T412] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.576536][ T412] device bridge_slave_0 entered promiscuous mode [ 37.586327][ T412] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.594168][ T412] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.602262][ T412] device bridge_slave_1 entered promiscuous mode [ 37.632454][ T407] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.641354][ T407] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.651804][ T407] device bridge_slave_0 entered promiscuous mode [ 37.667848][ T407] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.677744][ T407] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.687153][ T407] device bridge_slave_1 entered promiscuous mode [ 37.735076][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.742675][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.751963][ T417] device bridge_slave_0 entered promiscuous mode [ 37.766559][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.774646][ T416] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.782755][ T416] device bridge_slave_0 entered promiscuous mode [ 37.791755][ T405] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.798882][ T405] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.806525][ T405] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.813746][ T405] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.825435][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.833087][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.841006][ T417] device bridge_slave_1 entered promiscuous mode [ 37.855073][ T416] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.863446][ T416] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.871001][ T416] device bridge_slave_1 entered promiscuous mode [ 37.897784][ T414] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.905567][ T414] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.913266][ T414] device bridge_slave_0 entered promiscuous mode [ 37.923861][ T414] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.932313][ T414] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.940684][ T414] device bridge_slave_1 entered promiscuous mode [ 38.018049][ T412] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.025973][ T412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.033814][ T412] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.040935][ T412] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.060263][ T407] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.067676][ T407] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.075114][ T407] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.082284][ T407] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.110775][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.119971][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.129466][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.137570][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.145114][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.152700][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.161126][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.168929][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.196425][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.224945][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.263041][ T373] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.272617][ T373] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.283784][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.290970][ T373] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.299494][ T373] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.319638][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.344970][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.353693][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.361400][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.370939][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.379285][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.387237][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.397514][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.406264][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.413697][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.421266][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.429951][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.438518][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.445842][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.453571][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.461835][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.470279][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.477342][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.484924][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.493406][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.501838][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.508943][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.517212][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.525694][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.534347][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.543229][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.573123][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.580750][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.588498][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.600120][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.609079][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.616135][ T377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.623655][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.632022][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.641340][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.648716][ T377] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.656767][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.665047][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.673508][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.681817][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.690512][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.698984][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.707007][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.715372][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.723653][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.733171][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.741339][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.749927][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.758599][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.780192][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.789337][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.797727][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.806932][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.816001][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.824167][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.832418][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.840792][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.848775][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.857154][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.865367][ T79] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.872610][ T79] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.880478][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.895608][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.905259][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.914292][ T79] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.922320][ T79] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.947030][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.957438][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.966150][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.976681][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.985289][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.999945][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.024062][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.033955][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.042018][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.050884][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.059869][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.069505][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.078579][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.087307][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.096444][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.105100][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.123424][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.131741][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.140178][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.154523][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.168451][ T23] audit: type=1400 audit(1654023612.539:154): avc: denied { mount } for pid=407 comm="syz-executor.3" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 39.168717][ T407] !!! css_create !!! [ 39.197134][ T407] !!! css_create !!! [ 39.201473][ T407] !!! css_create !!! [ 39.213800][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.214246][ T407] !!! css_create !!! [ 39.221778][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.233617][ T407] !!! css_create !!! [ 39.234548][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.238266][ T407] !!! css_create !!! [ 39.246454][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.250556][ T407] !!! css_create !!! [ 39.258387][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.262316][ T407] !!! css_create !!! [ 39.270602][ T79] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.304190][ T23] audit: type=1400 audit(1654023612.679:155): avc: denied { mounton } for pid=434 comm="syz-executor.0" path="/root/syzkaller-testdir2574246829/syzkaller.zJ0f2C/0/file0" dev="sda1" ino=1159 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 39.316712][ T435] !!! cgroup_apply_control_disable [ 39.332008][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.336514][ T435] !!! cgroup_apply_control_disable kill_css ffff88811c0c4000 [ 39.352291][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.352491][ T435] !!! cgroup_apply_control_disable kill_css ffff88810bd59c00 [ 39.361185][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.376683][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.385071][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.392847][ C1] !!! css_killed_ref_fn css ffff88811c0c4000 !!! [ 39.393479][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.399769][ T24] !!! css_release css ffff88811c0c4000 !!! [ 39.408078][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.413324][ C1] !!! css_killed_ref_fn css ffff88810bd59c00 !!! [ 39.413703][ T24] !!! css_put is zero set CSS_NO_REF css ffff88811c0c4000 !!! [ 39.421993][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.428753][ T24] !!! css_release css ffff88810bd59c00 !!! [ 39.449816][ T24] !!! css_put is zero set CSS_NO_REF css ffff88810bd59c00 !!! [ 39.458655][ T440] !!! css_create !!! [ 39.462626][ T440] !!! css_create !!! [ 39.466868][ T440] FAULT_INJECTION: forcing a failure. [ 39.466868][ T440] name failslab, interval 1, probability 0, space 0, times 1 [ 39.481081][ T440] CPU: 0 PID: 440 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 39.491379][ T440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.501518][ T440] Call Trace: [ 39.505332][ T440] dump_stack+0x19c/0x1e2 [ 39.509839][ T440] should_fail+0x3f7/0x5b0 [ 39.514430][ T440] __should_failslab+0xd2/0x130 [ 39.519280][ T440] should_failslab+0x9/0x20 [ 39.524061][ T440] slab_pre_alloc_hook+0x25/0xe0 [ 39.528995][ T440] kmem_cache_alloc_trace+0x47/0x2b0 [ 39.534424][ T440] ? allocate_cgrp_cset_links+0xb3/0x270 [ 39.540335][ T440] allocate_cgrp_cset_links+0xb3/0x270 [ 39.545881][ T440] find_css_set+0x9ea/0x1500 [ 39.550641][ T440] cgroup_migrate_prepare_dst+0xd1/0x950 [ 39.556270][ T440] cgroup_apply_control+0x567/0x710 [ 39.561540][ T440] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.567538][ T440] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.573497][ T440] cgroup_file_write+0x22f/0x4f0 [ 39.578618][ T440] kernfs_fop_write_iter+0x2cd/0x410 [ 39.584066][ T440] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.589266][ T440] vfs_write+0xb57/0xe50 [ 39.593506][ T440] ksys_write+0x157/0x260 [ 39.599287][ T440] __x64_sys_write+0x7b/0x90 [ 39.603879][ T440] do_syscall_64+0x34/0x70 [ 39.608419][ T440] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.614350][ T440] RIP: 0033:0x7f2357f530e9 [ 39.618767][ T440] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.638454][ T440] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.647182][ T440] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 39.655156][ T440] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.663243][ T440] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.671215][ T440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.679312][ T440] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 39.687890][ T440] !!! cgroup_apply_control_disable [ 39.693793][ T23] audit: type=1400 audit(1654023613.069:156): avc: denied { append } for pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 39.694041][ T440] !!! cgroup_apply_control_disable kill_css ffff88810b279400 [ 39.716766][ T23] audit: type=1400 audit(1654023613.069:157): avc: denied { open } for pid=141 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 39.716780][ T23] audit: type=1400 audit(1654023613.069:158): avc: denied { getattr } for pid=141 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 39.770617][ T440] !!! cgroup_apply_control_disable kill_css ffff88810c291400 [ 39.772433][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.787546][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.792884][ C1] !!! css_killed_ref_fn css ffff88810b279400 !!! [ 39.796075][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.802462][ T19] !!! css_release css ffff88810b279400 !!! [ 39.810843][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.817392][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810b279400 !!! [ 39.825067][ C1] !!! css_killed_ref_fn css ffff88810c291400 !!! [ 39.825899][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.835624][ T19] !!! css_release css ffff88810c291400 !!! [ 39.839812][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.848373][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810c291400 !!! [ 39.854515][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.862615][ T441] !!! css_create !!! [ 39.872318][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.877927][ T441] !!! css_create !!! [ 39.895296][ T441] FAULT_INJECTION: forcing a failure. [ 39.895296][ T441] name failslab, interval 1, probability 0, space 0, times 0 [ 39.908248][ T441] CPU: 1 PID: 441 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 39.918406][ T441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.928454][ T441] Call Trace: [ 39.932192][ T441] dump_stack+0x19c/0x1e2 [ 39.936531][ T441] should_fail+0x3f7/0x5b0 [ 39.941062][ T441] __should_failslab+0xd2/0x130 [ 39.946021][ T441] should_failslab+0x9/0x20 [ 39.950516][ T441] slab_pre_alloc_hook+0x25/0xe0 [ 39.955467][ T441] kmem_cache_alloc_trace+0x47/0x2b0 [ 39.960919][ T441] ? allocate_cgrp_cset_links+0xb3/0x270 [ 39.966547][ T441] allocate_cgrp_cset_links+0xb3/0x270 [ 39.972182][ T441] find_css_set+0x9ea/0x1500 [ 39.976754][ T441] cgroup_migrate_prepare_dst+0xd1/0x950 [ 39.982491][ T441] cgroup_apply_control+0x567/0x710 [ 39.987726][ T441] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.993710][ T441] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.999764][ T441] cgroup_file_write+0x22f/0x4f0 [ 40.004717][ T441] kernfs_fop_write_iter+0x2cd/0x410 [ 40.010359][ T441] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.015688][ T441] vfs_write+0xb57/0xe50 [ 40.020291][ T441] ksys_write+0x157/0x260 [ 40.024710][ T441] __x64_sys_write+0x7b/0x90 [ 40.029467][ T441] do_syscall_64+0x34/0x70 [ 40.034065][ T441] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.039940][ T441] RIP: 0033:0x7fdacc0480e9 [ 40.044352][ T441] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.064271][ T441] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.072702][ T441] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 40.080766][ T441] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.088841][ T441] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.096993][ T441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.105058][ T441] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 40.115251][ T441] !!! cgroup_apply_control_disable [ 40.120478][ T441] !!! cgroup_apply_control_disable kill_css ffff88810c392c00 [ 40.128045][ T441] !!! cgroup_apply_control_disable kill_css ffff88810c391400 [ 40.137508][ T412] !!! css_create !!! [ 40.141764][ T412] !!! css_create !!! [ 40.148062][ T416] !!! css_create !!! [ 40.152657][ T416] !!! css_create !!! [ 40.152864][ C1] !!! css_killed_ref_fn css ffff88810c392c00 !!! [ 40.158887][ T416] !!! css_create !!! [ 40.179919][ T416] !!! css_create !!! [ 40.183984][ C1] !!! css_killed_ref_fn css ffff88810c391400 !!! [ 40.191256][ T433] !!! css_release css ffff88810c392c00 !!! [ 40.197399][ T433] !!! css_put is zero set CSS_NO_REF css ffff88810c392c00 !!! [ 40.205226][ T414] !!! css_create !!! [ 40.209622][ T414] !!! css_create !!! [ 40.214340][ T417] !!! css_create !!! [ 40.218410][ T417] !!! css_create !!! [ 40.222742][ T412] !!! css_create !!! [ 40.227149][ T412] !!! css_create !!! [ 40.231187][ T433] !!! css_release css ffff88810c391400 !!! [ 40.237095][ T433] !!! css_put is zero set CSS_NO_REF css ffff88810c391400 !!! [ 40.244950][ T414] !!! css_create !!! [ 40.248960][ T414] !!! css_create !!! [ 40.254932][ T417] !!! css_create !!! [ 40.259462][ T417] !!! css_create !!! [ 40.263743][ T416] !!! css_create !!! [ 40.267750][ T416] !!! css_create !!! [ 40.271765][ T416] !!! css_create !!! [ 40.276251][ T451] !!! css_create !!! [ 40.280326][ T451] !!! css_create !!! [ 40.284569][ T451] !!! css_create !!! [ 40.288854][ T451] FAULT_INJECTION: forcing a failure. [ 40.288854][ T451] name failslab, interval 1, probability 0, space 0, times 0 [ 40.301886][ T451] CPU: 1 PID: 451 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 40.312046][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.322194][ T451] Call Trace: [ 40.325482][ T451] dump_stack+0x19c/0x1e2 [ 40.329813][ T451] should_fail+0x3f7/0x5b0 [ 40.334233][ T451] __should_failslab+0xd2/0x130 [ 40.339174][ T451] ? __kernfs_new_node+0x97/0x6d0 [ 40.344272][ T451] should_failslab+0x9/0x20 [ 40.348856][ T451] slab_pre_alloc_hook+0x25/0xe0 [ 40.353966][ T451] ? __kernfs_new_node+0x97/0x6d0 [ 40.359008][ T451] kmem_cache_alloc+0x40/0x2a0 [ 40.363940][ T451] __kernfs_new_node+0x97/0x6d0 [ 40.368789][ T451] ? string+0x29f/0x2b0 [ 40.373127][ T451] ? vsnprintf+0x1a6c/0x1b30 [ 40.377716][ T451] kernfs_new_node+0x97/0x170 [ 40.382418][ T451] __kernfs_create_file+0x4a/0x270 [ 40.387631][ T451] cgroup_addrm_files+0x99e/0xeb0 [ 40.392649][ T451] ? delete_node+0x747/0x7a0 [ 40.397231][ T451] css_populate_dir+0x137/0x370 [ 40.402070][ T451] cgroup_apply_control_enable+0x31e/0xfc0 [ 40.407871][ T451] cgroup_apply_control+0x36/0x710 [ 40.412967][ T451] ? init_wait_entry+0xe0/0xe0 [ 40.417736][ T451] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.423214][ T451] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.429202][ T451] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.435175][ T451] cgroup_file_write+0x22f/0x4f0 [ 40.440316][ T451] kernfs_fop_write_iter+0x2cd/0x410 [ 40.445604][ T451] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.450987][ T451] vfs_write+0xb57/0xe50 [ 40.455232][ T451] ksys_write+0x157/0x260 [ 40.459645][ T451] __x64_sys_write+0x7b/0x90 [ 40.464222][ T451] do_syscall_64+0x34/0x70 [ 40.468716][ T451] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.474622][ T451] RIP: 0033:0x7f2357f530e9 [ 40.479023][ T451] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.498635][ T451] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.507045][ T451] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 40.515018][ T451] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.522982][ T451] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.531120][ T451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.539253][ T451] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 40.547722][ T451] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.554885][ T451] !!! cgroup_apply_control_disable [ 40.559982][ T451] !!! cgroup_apply_control_disable kill_css ffff88810c7f7000 [ 40.568340][ T451] !!! cgroup_apply_control_disable kill_css ffff88810c70f800 [ 40.576043][ T451] !!! cgroup_apply_control_disable kill_css ffff88810c70e000 [ 40.584142][ T412] !!! css_create !!! [ 40.588269][ T412] !!! css_create !!! [ 40.592260][ T412] !!! css_create !!! [ 40.600813][ T414] !!! css_create !!! [ 40.602947][ C0] !!! css_killed_ref_fn css ffff88810c7f7000 !!! [ 40.606489][ T414] !!! css_create !!! [ 40.615359][ T414] !!! css_create !!! [ 40.619546][ T417] !!! css_create !!! [ 40.623479][ C1] !!! css_killed_ref_fn css ffff88810c70f800 !!! [ 40.632122][ T417] !!! css_create !!! [ 40.632874][ C0] !!! css_killed_ref_fn css ffff88810c70e000 !!! [ 40.644385][ T417] !!! css_create !!! [ 40.648614][ T377] !!! css_release css ffff88810c7f7000 !!! [ 40.654684][ T377] !!! css_put is zero set CSS_NO_REF css ffff88810c7f7000 !!! [ 40.662186][ T445] !!! css_release css ffff88810c70f800 !!! [ 40.668449][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810c70f800 !!! [ 40.686815][ T377] !!! css_release css ffff88810c70e000 !!! [ 40.693388][ T377] !!! css_put is zero set CSS_NO_REF css ffff88810c70e000 !!! [ 40.701718][ T456] !!! css_create !!! [ 40.705936][ T456] !!! css_create !!! [ 40.709948][ T456] !!! css_create !!! [ 40.720579][ T456] FAULT_INJECTION: forcing a failure. [ 40.720579][ T456] name failslab, interval 1, probability 0, space 0, times 0 [ 40.741560][ T456] CPU: 1 PID: 456 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 40.751925][ T456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.762061][ T456] Call Trace: [ 40.765344][ T456] dump_stack+0x19c/0x1e2 [ 40.769675][ T456] should_fail+0x3f7/0x5b0 [ 40.774104][ T456] __should_failslab+0xd2/0x130 [ 40.778966][ T456] ? __kernfs_new_node+0x97/0x6d0 [ 40.783984][ T456] should_failslab+0x9/0x20 [ 40.788574][ T456] slab_pre_alloc_hook+0x25/0xe0 [ 40.793682][ T456] ? __kernfs_new_node+0x97/0x6d0 [ 40.798890][ T456] kmem_cache_alloc+0x40/0x2a0 [ 40.803814][ T456] __kernfs_new_node+0x97/0x6d0 [ 40.808645][ T456] ? string+0x29f/0x2b0 [ 40.812805][ T456] ? vsnprintf+0x1a6c/0x1b30 [ 40.817390][ T456] kernfs_new_node+0x97/0x170 [ 40.822067][ T456] __kernfs_create_file+0x4a/0x270 [ 40.827346][ T456] cgroup_addrm_files+0x99e/0xeb0 [ 40.832363][ T456] ? delete_node+0x747/0x7a0 [ 40.836949][ T456] css_populate_dir+0x137/0x370 [ 40.841797][ T456] cgroup_apply_control_enable+0x31e/0xfc0 [ 40.847696][ T456] cgroup_apply_control+0x36/0x710 [ 40.852798][ T456] ? init_wait_entry+0xe0/0xe0 [ 40.857572][ T456] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.862938][ T456] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.868996][ T456] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.874971][ T456] cgroup_file_write+0x22f/0x4f0 [ 40.879900][ T456] kernfs_fop_write_iter+0x2cd/0x410 [ 40.885169][ T456] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.890290][ T456] vfs_write+0xb57/0xe50 [ 40.894541][ T456] ksys_write+0x157/0x260 [ 40.898944][ T456] __x64_sys_write+0x7b/0x90 [ 40.903869][ T456] do_syscall_64+0x34/0x70 [ 40.908276][ T456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.914181][ T456] RIP: 0033:0x7fa0a09b40e9 [ 40.918663][ 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 [ 40.938781][ T456] RSP: 002b:00007fa0a092a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.947190][ T456] RAX: ffffffffffffffda RBX: 00007fa0a0ac6f60 RCX: 00007fa0a09b40e9 [ 40.955155][ T456] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.963130][ T456] RBP: 00007fa0a092a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.971181][ T456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.979274][ T456] R13: 00007fffa3e9e33f R14: 00007fa0a092a300 R15: 0000000000022000 [ 40.989567][ T456] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.998349][ T456] !!! cgroup_apply_control_disable [ 41.004255][ T456] !!! cgroup_apply_control_disable kill_css ffff88811eb92400 [ 41.011942][ T456] !!! cgroup_apply_control_disable kill_css ffff88810cd88000 [ 41.019976][ T456] !!! cgroup_apply_control_disable kill_css ffff88810b586800 [ 41.043132][ C0] !!! css_killed_ref_fn css ffff88811eb92400 !!! [ 41.050459][ T79] !!! css_release css ffff88811eb92400 !!! [ 41.057143][ T79] !!! css_put is zero set CSS_NO_REF css ffff88811eb92400 !!! [ 41.059473][ C1] !!! css_killed_ref_fn css ffff88810b586800 !!! [ 41.064669][ C0] !!! css_killed_ref_fn css ffff88810cd88000 !!! [ 41.077797][ T79] !!! css_release css ffff88810cd88000 !!! [ 41.083841][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810cd88000 !!! [ 41.091409][ T445] !!! css_release css ffff88810b586800 !!! [ 41.097464][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810b586800 !!! [ 41.105606][ T482] !!! css_create !!! [ 41.110198][ T482] !!! css_create !!! [ 41.114392][ T482] !!! css_create !!! [ 41.118298][ T482] FAULT_INJECTION: forcing a failure. [ 41.118298][ T482] name failslab, interval 1, probability 0, space 0, times 0 [ 41.131483][ T482] CPU: 1 PID: 482 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 41.142156][ T482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.152308][ T482] Call Trace: [ 41.155773][ T482] dump_stack+0x19c/0x1e2 [ 41.160156][ T482] should_fail+0x3f7/0x5b0 [ 41.164691][ T482] __should_failslab+0xd2/0x130 [ 41.169530][ T482] ? __kernfs_new_node+0x97/0x6d0 [ 41.174548][ T482] should_failslab+0x9/0x20 [ 41.179157][ T482] slab_pre_alloc_hook+0x25/0xe0 [ 41.184079][ T482] ? __kernfs_new_node+0x97/0x6d0 [ 41.189084][ T482] kmem_cache_alloc+0x40/0x2a0 [ 41.193876][ T482] __kernfs_new_node+0x97/0x6d0 [ 41.198764][ T482] ? string+0x29f/0x2b0 [ 41.202898][ T482] ? vsnprintf+0x1a6c/0x1b30 [ 41.207475][ T482] kernfs_new_node+0x97/0x170 [ 41.212134][ T482] __kernfs_create_file+0x4a/0x270 [ 41.217322][ T482] cgroup_addrm_files+0x99e/0xeb0 [ 41.222320][ T482] ? delete_node+0x747/0x7a0 [ 41.226893][ T482] css_populate_dir+0x137/0x370 [ 41.231731][ T482] cgroup_apply_control_enable+0x31e/0xfc0 [ 41.237679][ T482] cgroup_apply_control+0x36/0x710 [ 41.242816][ T482] ? init_wait_entry+0xe0/0xe0 [ 41.247584][ T482] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.252858][ T482] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.259087][ T482] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.265237][ T482] cgroup_file_write+0x22f/0x4f0 [ 41.270156][ T482] kernfs_fop_write_iter+0x2cd/0x410 [ 41.276003][ T482] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.281103][ T482] vfs_write+0xb57/0xe50 [ 41.285349][ T482] ksys_write+0x157/0x260 [ 41.289837][ T482] __x64_sys_write+0x7b/0x90 [ 41.294416][ T482] do_syscall_64+0x34/0x70 [ 41.298822][ T482] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.304759][ T482] RIP: 0033:0x7f31ebfba0e9 [ 41.309152][ T482] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.328746][ T482] RSP: 002b:00007f31ebf30168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.337240][ T482] RAX: ffffffffffffffda RBX: 00007f31ec0ccf60 RCX: 00007f31ebfba0e9 [ 41.345206][ T482] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.353625][ T482] RBP: 00007f31ebf301d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.361806][ T482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.370726][ T482] R13: 00007ffc28ee6d4f R14: 00007f31ebf30300 R15: 0000000000022000 [ 41.379456][ T482] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.387700][ T482] !!! cgroup_apply_control_disable [ 41.393100][ T482] !!! cgroup_apply_control_disable kill_css ffff88811ece9400 [ 41.400696][ T482] !!! cgroup_apply_control_disable kill_css ffff88810d011c00 [ 41.408846][ T482] !!! cgroup_apply_control_disable kill_css ffff88810d011400 [ 41.416269][ C0] !!! css_killed_ref_fn css ffff88811ece9400 !!! [ 41.422757][ T79] !!! css_release css ffff88811ece9400 !!! [ 41.428963][ T79] !!! css_put is zero set CSS_NO_REF css ffff88811ece9400 !!! [ 41.436739][ C0] !!! css_killed_ref_fn css ffff88810d011c00 !!! [ 41.443285][ T79] !!! css_release css ffff88810d011c00 !!! [ 41.449075][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810d011c00 !!! [ 41.457256][ C0] !!! css_killed_ref_fn css ffff88810d011400 !!! [ 41.464072][ T79] !!! css_release css ffff88810d011400 !!! [ 41.470207][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810d011400 !!! [ 41.478049][ T483] !!! css_create !!! [ 41.482063][ T483] !!! css_create !!! [ 41.486436][ T483] !!! css_create !!! [ 41.490572][ T483] FAULT_INJECTION: forcing a failure. [ 41.490572][ T483] name failslab, interval 1, probability 0, space 0, times 0 [ 41.503496][ T483] CPU: 0 PID: 483 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 41.513698][ T483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.523997][ T483] Call Trace: [ 41.527270][ T483] dump_stack+0x19c/0x1e2 [ 41.531595][ T483] should_fail+0x3f7/0x5b0 [ 41.536074][ T483] __should_failslab+0xd2/0x130 [ 41.541273][ T483] should_failslab+0x9/0x20 [ 41.545912][ T483] slab_pre_alloc_hook+0x25/0xe0 [ 41.550846][ T483] ? __kernfs_new_node+0x4c/0x6d0 [ 41.555844][ T483] __kmalloc_track_caller+0x70/0x300 [ 41.561111][ T483] ? __kernfs_new_node+0x4c/0x6d0 [ 41.566166][ T483] kstrdup_const+0x55/0x90 [ 41.570680][ T483] __kernfs_new_node+0x4c/0x6d0 [ 41.575521][ T483] ? string+0x29f/0x2b0 [ 41.579883][ T483] ? vsnprintf+0x1a6c/0x1b30 [ 41.584471][ T483] kernfs_new_node+0x97/0x170 [ 41.589231][ T483] __kernfs_create_file+0x4a/0x270 [ 41.594461][ T483] cgroup_addrm_files+0x99e/0xeb0 [ 41.599690][ T483] ? delete_node+0x747/0x7a0 [ 41.605003][ T483] css_populate_dir+0x137/0x370 [ 41.610037][ T483] cgroup_apply_control_enable+0x31e/0xfc0 [ 41.616264][ T483] cgroup_apply_control+0x36/0x710 [ 41.621467][ T483] ? init_wait_entry+0xe0/0xe0 [ 41.626506][ T483] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.632267][ T483] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.638236][ T483] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.644212][ T483] cgroup_file_write+0x22f/0x4f0 [ 41.649241][ T483] kernfs_fop_write_iter+0x2cd/0x410 [ 41.654530][ T483] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.659733][ T483] vfs_write+0xb57/0xe50 [ 41.664130][ T483] ksys_write+0x157/0x260 [ 41.668513][ T483] __x64_sys_write+0x7b/0x90 [ 41.673201][ T483] do_syscall_64+0x34/0x70 [ 41.677612][ T483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.683484][ T483] RIP: 0033:0x7f2357f530e9 [ 41.688152][ T483] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.707929][ T483] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.716328][ T483] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 41.725117][ T483] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.733078][ T483] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.741115][ T483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.749356][ T483] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 41.759331][ T483] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.766550][ T483] !!! cgroup_apply_control_disable [ 41.771661][ T483] !!! cgroup_apply_control_disable kill_css ffff88810dbc2800 [ 41.779430][ T483] !!! cgroup_apply_control_disable kill_css ffff88810dbc2000 [ 41.787045][ T483] !!! cgroup_apply_control_disable kill_css ffff88810dbc2c00 [ 41.802904][ C1] !!! css_killed_ref_fn css ffff88810dbc2800 !!! [ 41.809712][ T445] !!! css_release css ffff88810dbc2800 !!! [ 41.812869][ C0] !!! css_killed_ref_fn css ffff88810dbc2000 !!! [ 41.815858][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810dbc2800 !!! [ 41.829522][ T79] !!! css_release css ffff88810dbc2000 !!! [ 41.829638][ C1] !!! css_killed_ref_fn css ffff88810dbc2c00 !!! [ 41.835427][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810dbc2000 !!! [ 41.849516][ T445] !!! css_release css ffff88810dbc2c00 !!! [ 41.855357][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810dbc2c00 !!! [ 41.863170][ T477] !!! css_create !!! [ 41.867153][ T477] !!! css_create !!! [ 41.871148][ T477] !!! css_create !!! [ 41.875137][ T477] FAULT_INJECTION: forcing a failure. [ 41.875137][ T477] name failslab, interval 1, probability 0, space 0, times 0 [ 41.887880][ T477] CPU: 0 PID: 477 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 41.898019][ T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.908067][ T477] Call Trace: [ 41.911503][ T477] dump_stack+0x19c/0x1e2 [ 41.915910][ T477] should_fail+0x3f7/0x5b0 [ 41.920695][ T477] __should_failslab+0xd2/0x130 [ 41.925663][ T477] should_failslab+0x9/0x20 [ 41.930157][ T477] slab_pre_alloc_hook+0x25/0xe0 [ 41.935274][ T477] kmem_cache_alloc_trace+0x47/0x2b0 [ 41.940548][ T477] ? percpu_ref_init+0xd0/0x330 [ 41.945378][ T477] percpu_ref_init+0xd0/0x330 [ 41.950038][ T477] ? cgroup_setup_root+0x8a0/0x8a0 [ 41.955330][ T477] cgroup_apply_control_enable+0x49f/0xfc0 [ 41.961119][ T477] cgroup_apply_control+0x36/0x710 [ 41.966405][ T477] ? init_wait_entry+0xe0/0xe0 [ 41.971166][ T477] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.976448][ T477] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.982560][ T477] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.989497][ T477] cgroup_file_write+0x22f/0x4f0 [ 41.994547][ T477] kernfs_fop_write_iter+0x2cd/0x410 [ 41.999821][ T477] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.004919][ T477] vfs_write+0xb57/0xe50 [ 42.009152][ T477] ksys_write+0x157/0x260 [ 42.013469][ T477] __x64_sys_write+0x7b/0x90 [ 42.018055][ T477] do_syscall_64+0x34/0x70 [ 42.022470][ T477] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.028367][ T477] RIP: 0033:0x7f056852e0e9 [ 42.032889][ T477] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.052690][ T477] RSP: 002b:00007f0568483168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.061367][ T477] RAX: ffffffffffffffda RBX: 00007f0568641030 RCX: 00007f056852e0e9 [ 42.069381][ T477] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.077345][ T477] RBP: 00007f05684831d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.085301][ T477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.093272][ T477] R13: 00007ffd2eb533ef R14: 00007f0568483300 R15: 0000000000022000 [ 42.102862][ T477] !!! cgroup_apply_control_disable [ 42.107986][ T477] !!! cgroup_apply_control_disable kill_css ffff88810dcce800 [ 42.115422][ T477] !!! cgroup_apply_control_disable kill_css ffff88810dcccc00 [ 42.137036][ C0] !!! css_killed_ref_fn css ffff88810dcce800 !!! [ 42.143488][ T382] !!! css_release css ffff88810dcce800 !!! [ 42.149440][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810dcce800 !!! [ 42.156987][ C0] !!! css_killed_ref_fn css ffff88810dcccc00 !!! [ 42.163831][ T382] !!! css_release css ffff88810dcccc00 !!! [ 42.169716][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810dcccc00 !!! [ 42.177867][ T493] !!! css_create !!! [ 42.182472][ T493] !!! css_create !!! [ 42.186605][ T493] !!! css_create !!! [ 42.190681][ T493] FAULT_INJECTION: forcing a failure. [ 42.190681][ T493] name failslab, interval 1, probability 0, space 0, times 0 [ 42.203384][ T493] CPU: 1 PID: 493 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 42.213533][ T493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.223580][ T493] Call Trace: [ 42.226852][ T493] dump_stack+0x19c/0x1e2 [ 42.231305][ T493] should_fail+0x3f7/0x5b0 [ 42.235729][ T493] __should_failslab+0xd2/0x130 [ 42.240654][ T493] should_failslab+0x9/0x20 [ 42.245158][ T493] slab_pre_alloc_hook+0x25/0xe0 [ 42.250113][ T493] ? __kernfs_new_node+0x4c/0x6d0 [ 42.255223][ T493] __kmalloc_track_caller+0x70/0x300 [ 42.260624][ T493] ? __kernfs_new_node+0x4c/0x6d0 [ 42.265640][ T493] kstrdup_const+0x55/0x90 [ 42.270051][ T493] __kernfs_new_node+0x4c/0x6d0 [ 42.274895][ T493] ? string+0x29f/0x2b0 [ 42.279036][ T493] ? vsnprintf+0x1a6c/0x1b30 [ 42.283622][ T493] kernfs_new_node+0x97/0x170 [ 42.288284][ T493] __kernfs_create_file+0x4a/0x270 [ 42.293485][ T493] cgroup_addrm_files+0x99e/0xeb0 [ 42.298502][ T493] ? delete_node+0x747/0x7a0 [ 42.303079][ T493] css_populate_dir+0x137/0x370 [ 42.307912][ T493] cgroup_apply_control_enable+0x31e/0xfc0 [ 42.313933][ T493] cgroup_apply_control+0x36/0x710 [ 42.320354][ T493] ? init_wait_entry+0xe0/0xe0 [ 42.325110][ T493] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.330404][ T493] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.336387][ T493] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.342351][ T493] cgroup_file_write+0x22f/0x4f0 [ 42.347278][ T493] kernfs_fop_write_iter+0x2cd/0x410 [ 42.352544][ T493] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.357729][ T493] vfs_write+0xb57/0xe50 [ 42.361967][ T493] ksys_write+0x157/0x260 [ 42.366281][ T493] __x64_sys_write+0x7b/0x90 [ 42.370967][ T493] do_syscall_64+0x34/0x70 [ 42.375381][ T493] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.381253][ T493] RIP: 0033:0x7f2357f530e9 [ 42.385676][ 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 [ 42.405443][ T493] RSP: 002b:00007f2357ec9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.413867][ T493] RAX: ffffffffffffffda RBX: 00007f2358065f60 RCX: 00007f2357f530e9 [ 42.422054][ T493] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.430118][ T493] RBP: 00007f2357ec91d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.438431][ T493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.446509][ T493] R13: 00007ffdc1ab75bf R14: 00007f2357ec9300 R15: 0000000000022000 [ 42.455958][ T493] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.463194][ T493] !!! cgroup_apply_control_disable 2022/05/31 19:00:15 executed programs: 22 [ 42.468368][ T493] !!! cgroup_apply_control_disable kill_css ffff88810db5a400 [ 42.475931][ T493] !!! cgroup_apply_control_disable kill_css ffff88810db5ac00 [ 42.483589][ T493] !!! cgroup_apply_control_disable kill_css ffff88810ddcac00 [ 42.493547][ C1] !!! css_killed_ref_fn css ffff88810db5a400 !!! [ 42.500031][ T445] !!! css_release css ffff88810db5a400 !!! [ 42.505985][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810db5a400 !!! [ 42.513610][ C1] !!! css_killed_ref_fn css ffff88810db5ac00 !!! [ 42.519986][ C1] !!! css_killed_ref_fn css ffff88810ddcac00 !!! [ 42.526783][ T445] !!! css_release css ffff88810db5ac00 !!! [ 42.532750][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810db5ac00 !!! [ 42.540614][ T445] !!! css_release css ffff88810ddcac00 !!! [ 42.546575][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810ddcac00 !!! [ 42.554138][ T486] !!! css_create !!! [ 42.558431][ T486] !!! css_create !!! [ 42.562736][ T486] !!! css_create !!! [ 42.566789][ T486] FAULT_INJECTION: forcing a failure. [ 42.566789][ T486] name failslab, interval 1, probability 0, space 0, times 0 [ 42.579582][ T486] CPU: 1 PID: 486 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 42.589799][ T486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.600035][ T486] Call Trace: [ 42.603327][ T486] dump_stack+0x19c/0x1e2 [ 42.607654][ T486] should_fail+0x3f7/0x5b0 [ 42.612056][ T486] __should_failslab+0xd2/0x130 [ 42.616897][ T486] should_failslab+0x9/0x20 [ 42.621385][ T486] slab_pre_alloc_hook+0x25/0xe0 [ 42.626428][ T486] kmem_cache_alloc_trace+0x47/0x2b0 [ 42.631719][ T486] ? percpu_ref_init+0xd0/0x330 [ 42.636654][ T486] percpu_ref_init+0xd0/0x330 [ 42.641378][ T486] ? cgroup_setup_root+0x8a0/0x8a0 [ 42.646763][ T486] cgroup_apply_control_enable+0x49f/0xfc0 [ 42.652565][ T486] cgroup_apply_control+0x36/0x710 [ 42.657698][ T486] ? init_wait_entry+0xe0/0xe0 [ 42.670138][ T486] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.675521][ T486] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.681493][ T486] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.687473][ T486] cgroup_file_write+0x22f/0x4f0 [ 42.692406][ T486] kernfs_fop_write_iter+0x2cd/0x410 [ 42.697690][ T486] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.702834][ T486] vfs_write+0xb57/0xe50 [ 42.707166][ T486] ksys_write+0x157/0x260 [ 42.711503][ T486] __x64_sys_write+0x7b/0x90 [ 42.716077][ T486] do_syscall_64+0x34/0x70 [ 42.720508][ T486] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.726627][ T486] RIP: 0033:0x7f5ac10b50e9 [ 42.731028][ T486] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.751727][ T486] RSP: 002b:00007f5ac102b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.760221][ T486] RAX: ffffffffffffffda RBX: 00007f5ac11c7f60 RCX: 00007f5ac10b50e9 [ 42.768290][ T486] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.776529][ T486] RBP: 00007f5ac102b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.784594][ T486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.792573][ T486] R13: 00007ffde09f36cf R14: 00007f5ac102b300 R15: 0000000000022000 [ 42.802016][ T486] !!! cgroup_apply_control_disable [ 42.807376][ T486] !!! cgroup_apply_control_disable kill_css ffff88810de34000 [ 42.814961][ T486] !!! cgroup_apply_control_disable kill_css ffff88810de36000 [ 42.842868][ C1] !!! css_killed_ref_fn css ffff88810de34000 !!! [ 42.849316][ C1] !!! css_killed_ref_fn css ffff88810de36000 !!! [ 42.855759][ T445] !!! css_release css ffff88810de34000 !!! [ 42.862288][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810de34000 !!! [ 42.870031][ T445] !!! css_release css ffff88810de36000 !!! [ 42.875991][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810de36000 !!! [ 42.884164][ T505] !!! css_create !!! [ 42.888242][ T505] !!! css_create !!! [ 42.892163][ T505] !!! css_create !!! [ 42.896143][ T505] FAULT_INJECTION: forcing a failure. [ 42.896143][ T505] name failslab, interval 1, probability 0, space 0, times 0 [ 42.908878][ T505] CPU: 1 PID: 505 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 42.919012][ T505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.929134][ T505] Call Trace: [ 42.932423][ T505] dump_stack+0x19c/0x1e2 [ 42.936751][ T505] should_fail+0x3f7/0x5b0 [ 42.941175][ T505] __should_failslab+0xd2/0x130 [ 42.946024][ T505] should_failslab+0x9/0x20 [ 42.950518][ T505] slab_pre_alloc_hook+0x25/0xe0 [ 42.955444][ T505] ? __kernfs_new_node+0x4c/0x6d0 [ 42.960550][ T505] __kmalloc_track_caller+0x70/0x300 [ 42.965859][ T505] ? __kernfs_new_node+0x4c/0x6d0 [ 42.970882][ T505] kstrdup_const+0x55/0x90 [ 42.975312][ T505] __kernfs_new_node+0x4c/0x6d0 [ 42.980166][ T505] ? string+0x29f/0x2b0 [ 42.984321][ T505] ? vsnprintf+0x1a6c/0x1b30 [ 42.989002][ T505] kernfs_new_node+0x97/0x170 [ 42.993837][ T505] __kernfs_create_file+0x4a/0x270 [ 42.999157][ T505] cgroup_addrm_files+0x99e/0xeb0 [ 43.004195][ T505] ? delete_node+0x747/0x7a0 [ 43.008779][ T505] css_populate_dir+0x137/0x370 [ 43.013624][ T505] cgroup_apply_control_enable+0x31e/0xfc0 [ 43.019538][ T505] cgroup_apply_control+0x36/0x710 [ 43.024827][ T505] ? init_wait_entry+0xe0/0xe0 [ 43.029579][ T505] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.034870][ T505] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.040835][ T505] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.047248][ T505] cgroup_file_write+0x22f/0x4f0 [ 43.052184][ T505] kernfs_fop_write_iter+0x2cd/0x410 [ 43.057556][ T505] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.062948][ T505] vfs_write+0xb57/0xe50 [ 43.067188][ T505] ksys_write+0x157/0x260 [ 43.071535][ T505] __x64_sys_write+0x7b/0x90 [ 43.076117][ T505] do_syscall_64+0x34/0x70 [ 43.080640][ T505] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.086618][ T505] RIP: 0033:0x7f5ac10b50e9 [ 43.091033][ T505] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.111017][ T505] RSP: 002b:00007f5ac100a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.119823][ T505] RAX: ffffffffffffffda RBX: 00007f5ac11c8030 RCX: 00007f5ac10b50e9 [ 43.127796][ T505] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.135866][ T505] RBP: 00007f5ac100a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.143828][ T505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.151785][ T505] R13: 00007ffde09f36cf R14: 00007f5ac100a300 R15: 0000000000022000 [ 43.160459][ T505] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.167625][ T505] !!! cgroup_apply_control_disable [ 43.172893][ T505] !!! cgroup_apply_control_disable kill_css ffff88810de35400 [ 43.180440][ T505] !!! cgroup_apply_control_disable kill_css ffff88810de35c00 [ 43.187962][ T505] !!! cgroup_apply_control_disable kill_css ffff88810de37000 [ 43.212889][ C1] !!! css_killed_ref_fn css ffff88810de35400 !!! [ 43.219410][ T445] !!! css_release css ffff88810de35400 !!! [ 43.225275][ C1] !!! css_killed_ref_fn css ffff88810de35c00 !!! [ 43.225291][ C1] !!! css_killed_ref_fn css ffff88810de37000 !!! [ 43.238735][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810de35400 !!! [ 43.246378][ T433] !!! css_release css ffff88810de37000 !!! [ 43.252381][ T433] !!! css_put is zero set CSS_NO_REF css ffff88810de37000 !!! [ 43.260884][ T497] !!! css_create !!! [ 43.265151][ T497] !!! css_create !!! [ 43.269335][ T497] !!! css_create !!! [ 43.273354][ T497] FAULT_INJECTION: forcing a failure. [ 43.273354][ T497] name failslab, interval 1, probability 0, space 0, times 0 [ 43.286552][ T497] CPU: 0 PID: 497 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 43.296692][ T497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.306827][ T497] Call Trace: [ 43.310123][ T497] dump_stack+0x19c/0x1e2 [ 43.314449][ T497] should_fail+0x3f7/0x5b0 [ 43.318856][ T497] __should_failslab+0xd2/0x130 [ 43.323684][ T497] should_failslab+0x9/0x20 [ 43.328181][ T497] slab_pre_alloc_hook+0x25/0xe0 [ 43.333109][ T497] ? __kernfs_new_node+0x4c/0x6d0 [ 43.338178][ T497] __kmalloc_track_caller+0x70/0x300 [ 43.343550][ T497] ? __kernfs_new_node+0x4c/0x6d0 [ 43.348853][ T497] kstrdup_const+0x55/0x90 [ 43.353412][ T497] __kernfs_new_node+0x4c/0x6d0 [ 43.358260][ T497] ? string+0x29f/0x2b0 [ 43.362584][ T497] ? vsnprintf+0x1a6c/0x1b30 [ 43.367169][ T497] kernfs_new_node+0x97/0x170 [ 43.371845][ T497] __kernfs_create_file+0x4a/0x270 [ 43.377040][ T497] cgroup_addrm_files+0x99e/0xeb0 [ 43.382077][ T497] ? delete_node+0x747/0x7a0 [ 43.386750][ T497] css_populate_dir+0x137/0x370 [ 43.391636][ T497] cgroup_apply_control_enable+0x31e/0xfc0 [ 43.397434][ T497] cgroup_apply_control+0x36/0x710 [ 43.402532][ T497] ? init_wait_entry+0xe0/0xe0 [ 43.407283][ T497] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.412553][ T497] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.418669][ T497] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.424932][ T497] cgroup_file_write+0x22f/0x4f0 [ 43.430211][ T497] kernfs_fop_write_iter+0x2cd/0x410 [ 43.435483][ T497] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.440583][ T497] vfs_write+0xb57/0xe50 [ 43.444838][ T497] ksys_write+0x157/0x260 [ 43.449173][ T497] __x64_sys_write+0x7b/0x90 [ 43.453816][ T497] do_syscall_64+0x34/0x70 [ 43.458338][ T497] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.464245][ T497] RIP: 0033:0x7fdacc0480e9 [ 43.468645][ T497] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.488334][ T497] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.496757][ T497] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 43.505077][ T497] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.514906][ T497] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.522972][ T497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.534230][ T497] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 43.543553][ T497] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.551070][ T497] !!! cgroup_apply_control_disable [ 43.556374][ T497] !!! cgroup_apply_control_disable kill_css ffff88810e50d800 [ 43.564045][ T497] !!! cgroup_apply_control_disable kill_css ffff88810e50c000 [ 43.571651][ T497] !!! cgroup_apply_control_disable kill_css ffff88810e50e000 [ 43.602889][ C1] !!! css_killed_ref_fn css ffff88810e50d800 !!! [ 43.609704][ C1] !!! css_killed_ref_fn css ffff88810e50c000 !!! [ 43.616211][ T433] !!! css_release css ffff88810e50d800 !!! [ 43.622040][ T433] !!! css_put is zero set CSS_NO_REF css ffff88810e50d800 !!! [ 43.630214][ C1] !!! css_killed_ref_fn css ffff88810e50e000 !!! [ 43.637074][ T433] !!! css_release css ffff88810e50c000 !!! [ 43.643121][ T433] !!! css_put is zero set CSS_NO_REF css ffff88810e50c000 !!! [ 43.650881][ T433] !!! css_release css ffff88810e50e000 !!! [ 43.656977][ T433] !!! css_put is zero set CSS_NO_REF css ffff88810e50e000 !!! [ 43.665038][ T498] !!! css_create !!! [ 43.669179][ T498] !!! css_create !!! [ 43.673565][ T498] !!! css_create !!! [ 43.677540][ T498] FAULT_INJECTION: forcing a failure. [ 43.677540][ T498] name failslab, interval 1, probability 0, space 0, times 0 [ 43.690761][ T498] CPU: 1 PID: 498 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 43.701423][ T498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.711584][ T498] Call Trace: [ 43.715072][ T498] dump_stack+0x19c/0x1e2 [ 43.719392][ T498] should_fail+0x3f7/0x5b0 [ 43.724088][ T498] __should_failslab+0xd2/0x130 [ 43.729458][ T498] should_failslab+0x9/0x20 [ 43.734344][ T498] slab_pre_alloc_hook+0x25/0xe0 [ 43.739362][ T498] ? __kernfs_new_node+0x4c/0x6d0 [ 43.744411][ T498] __kmalloc_track_caller+0x70/0x300 [ 43.749790][ T498] ? __kernfs_new_node+0x4c/0x6d0 [ 43.754803][ T498] kstrdup_const+0x55/0x90 [ 43.759435][ T498] __kernfs_new_node+0x4c/0x6d0 [ 43.764460][ T498] ? string+0x29f/0x2b0 [ 43.768878][ T498] ? vsnprintf+0x1a6c/0x1b30 [ 43.773586][ T498] kernfs_new_node+0x97/0x170 [ 43.778290][ T498] __kernfs_create_file+0x4a/0x270 [ 43.783614][ T498] cgroup_addrm_files+0x99e/0xeb0 [ 43.788665][ T498] ? delete_node+0x747/0x7a0 [ 43.793259][ T498] css_populate_dir+0x137/0x370 [ 43.798107][ T498] cgroup_apply_control_enable+0x31e/0xfc0 [ 43.803942][ T498] cgroup_apply_control+0x36/0x710 [ 43.809365][ T498] ? init_wait_entry+0xe0/0xe0 [ 43.814338][ T498] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.819696][ T498] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.825816][ T498] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.832018][ T498] cgroup_file_write+0x22f/0x4f0 [ 43.837001][ T498] kernfs_fop_write_iter+0x2cd/0x410 [ 43.842410][ T498] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.847631][ T498] vfs_write+0xb57/0xe50 [ 43.851977][ T498] ksys_write+0x157/0x260 [ 43.856323][ T498] __x64_sys_write+0x7b/0x90 [ 43.860920][ T498] do_syscall_64+0x34/0x70 [ 43.865418][ T498] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.871388][ T498] RIP: 0033:0x7f31ebfba0e9 [ 43.875821][ T498] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.896109][ T498] RSP: 002b:00007f31ebf0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.905401][ T498] RAX: ffffffffffffffda RBX: 00007f31ec0cd030 RCX: 00007f31ebfba0e9 [ 43.914264][ T498] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.922430][ T498] RBP: 00007f31ebf0f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.930627][ T498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.938826][ T498] R13: 00007ffc28ee6d4f R14: 00007f31ebf0f300 R15: 0000000000022000 [ 43.949348][ T498] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.956457][ T498] !!! cgroup_apply_control_disable [ 43.961666][ T498] !!! cgroup_apply_control_disable kill_css ffff88810d2edc00 [ 43.969312][ T498] !!! cgroup_apply_control_disable kill_css ffff88810d2ef000 [ 43.976824][ T498] !!! cgroup_apply_control_disable kill_css ffff88810d2ed000 [ 44.003604][ C1] !!! css_killed_ref_fn css ffff88810d2edc00 !!! [ 44.010009][ C1] !!! css_killed_ref_fn css ffff88810d2ef000 !!! [ 44.016585][ C1] !!! css_killed_ref_fn css ffff88810d2ed000 !!! [ 44.023279][ T433] !!! css_release css ffff88810d2edc00 !!! [ 44.029096][ T433] !!! css_put is zero set CSS_NO_REF css ffff88810d2edc00 !!! [ 44.037160][ T433] !!! css_release css ffff88810d2ef000 !!! [ 44.043452][ T433] !!! css_put is zero set CSS_NO_REF css ffff88810d2ef000 !!! [ 44.051093][ T433] !!! css_release css ffff88810d2ed000 !!! [ 44.057388][ T433] !!! css_put is zero set CSS_NO_REF css ffff88810d2ed000 !!! [ 44.065238][ T496] !!! css_create !!! [ 44.069395][ T496] !!! css_create !!! [ 44.074011][ T496] !!! css_create !!! [ 44.078734][ T496] FAULT_INJECTION: forcing a failure. [ 44.078734][ T496] name failslab, interval 1, probability 0, space 0, times 0 [ 44.091704][ T496] CPU: 0 PID: 496 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 44.102161][ T496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.112236][ T496] Call Trace: [ 44.115517][ T496] dump_stack+0x19c/0x1e2 [ 44.120007][ T496] should_fail+0x3f7/0x5b0 [ 44.124577][ T496] __should_failslab+0xd2/0x130 [ 44.129430][ T496] should_failslab+0x9/0x20 [ 44.133937][ T496] slab_pre_alloc_hook+0x25/0xe0 [ 44.138876][ T496] ? __kernfs_new_node+0x4c/0x6d0 [ 44.143958][ T496] __kmalloc_track_caller+0x70/0x300 [ 44.149259][ T496] ? __kernfs_new_node+0x4c/0x6d0 [ 44.154518][ T496] kstrdup_const+0x55/0x90 [ 44.158933][ T496] __kernfs_new_node+0x4c/0x6d0 [ 44.163807][ T496] ? string+0x29f/0x2b0 [ 44.168001][ T496] ? vsnprintf+0x1a6c/0x1b30 [ 44.172602][ T496] kernfs_new_node+0x97/0x170 [ 44.177271][ T496] __kernfs_create_file+0x4a/0x270 [ 44.182550][ T496] cgroup_addrm_files+0x99e/0xeb0 [ 44.187699][ T496] ? delete_node+0x747/0x7a0 [ 44.192571][ T496] css_populate_dir+0x137/0x370 [ 44.197424][ T496] cgroup_apply_control_enable+0x31e/0xfc0 [ 44.203344][ T496] cgroup_apply_control+0x36/0x710 [ 44.208454][ T496] ? init_wait_entry+0xe0/0xe0 [ 44.213209][ T496] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.218782][ T496] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.224763][ T496] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.231256][ T496] cgroup_file_write+0x22f/0x4f0 [ 44.236205][ T496] kernfs_fop_write_iter+0x2cd/0x410 [ 44.241506][ T496] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.246706][ T496] vfs_write+0xb57/0xe50 [ 44.251124][ T496] ksys_write+0x157/0x260 [ 44.255737][ T496] __x64_sys_write+0x7b/0x90 [ 44.260407][ T496] do_syscall_64+0x34/0x70 [ 44.264842][ T496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.270775][ T496] RIP: 0033:0x7fa0a09b40e9 [ 44.275196][ 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 [ 44.295229][ T496] RSP: 002b:00007fa0a0909168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.303917][ T496] RAX: ffffffffffffffda RBX: 00007fa0a0ac7030 RCX: 00007fa0a09b40e9 [ 44.312137][ T496] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.320242][ T496] RBP: 00007fa0a09091d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.328205][ T496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.336385][ T496] R13: 00007fffa3e9e33f R14: 00007fa0a0909300 R15: 0000000000022000 [ 44.346290][ T496] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.353832][ T496] !!! cgroup_apply_control_disable [ 44.359193][ T496] !!! cgroup_apply_control_disable kill_css ffff88810e76c400 [ 44.366938][ T496] !!! cgroup_apply_control_disable kill_css ffff88810d0bc000 [ 44.374827][ T496] !!! cgroup_apply_control_disable kill_css ffff88810d0bd800 [ 44.384377][ T416] ------------[ cut here ]------------ [ 44.390058][ T416] WARNING: CPU: 1 PID: 416 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 44.399625][ C1] !!! css_killed_ref_fn css ffff88810e76c400 !!! [ 44.406203][ T416] Modules linked in: [ 44.410289][ T416] CPU: 1 PID: 416 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 44.421489][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.432221][ T416] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 44.438073][ T416] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 44.457992][ T416] RSP: 0018:ffffc90000f27dd0 EFLAGS: 00010293 [ 44.464139][ T416] RAX: ffffffff81af043c RBX: ffff888102fd0e60 RCX: ffff8881025f9e80 [ 44.472349][ T416] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 44.480466][ T416] RBP: ffffc90000f27e40 R08: ffffffff81af0167 R09: fffff520001e4fb2 [ 44.488516][ T416] R10: fffff520001e4fb2 R11: 1ffff920001e4fb1 R12: dffffc0000000000 [ 44.496606][ T416] R13: ffff888102fd0d80 R14: 00000000ffffffff R15: 0000000000000000 [ 44.504717][ T416] FS: 00005555572da400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 44.513684][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.520390][ T416] CR2: 00007fffa3e9cd58 CR3: 0000000116a9f000 CR4: 00000000003506a0 [ 44.528416][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.536685][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.544965][ T416] Call Trace: [ 44.548330][ T416] path_umount+0x1ad/0xed0 [ 44.552758][ T416] __x64_sys_umount+0xe8/0x110 [ 44.557743][ T416] do_syscall_64+0x34/0x70 [ 44.562256][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.568474][ T416] RIP: 0033:0x7fa0a09b5557 [ 44.574496][ T416] 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 [ 44.594765][ T416] RSP: 002b:00007fffa3e9d498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 44.603328][ T416] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa0a09b5557 [ 44.611408][ T416] RDX: 00007fffa3e9d569 RSI: 000000000000000a RDI: 00007fffa3e9d560 [ 44.619493][ T416] RBP: 00007fffa3e9d560 R08: 00000000ffffffff R09: 00007fffa3e9d330 [ 44.627694][ T416] R10: 00005555572dbba3 R11: 0000000000000246 R12: 00007fa0a0a0d1f8 [ 44.636149][ T416] R13: 00007fffa3e9e620 R14: 00005555572dbb00 R15: 00007fffa3e9e660 [ 44.644426][ T416] ---[ end trace 518ce58d12f18517 ]--- [ 44.649946][ T433] !!! css_release css ffff88810e76c400 !!! [ 44.649950][ T416] ------------[ cut here ]------------ [ 44.649979][ T416] WARNING: CPU: 0 PID: 416 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 44.657089][ T433] !!! css_put is zero set CSS_NO_REF css ffff88810e76c400 !!! [ 44.662839][ C0] ------------[ cut here ]------------ [ 44.670688][ T23] audit: type=1400 audit(1654023618.039:159): avc: denied { remove_name } for pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 44.678124][ C0] percpu ref (css_release) <= 0 (0) after switching to atomic [ 44.678244][ C0] WARNING: CPU: 0 PID: 141 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 44.683724][ T23] audit: type=1400 audit(1654023618.039:160): avc: denied { rename } for pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 44.706139][ C0] Modules linked in: [ 44.706159][ C0] CPU: 0 PID: 141 Comm: syslogd Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 44.706165][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.706182][ C0] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 44.706201][ C0] Code: 00 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ff e8 f3 77 64 ff 49 8b 17 48 c7 c7 80 e1 02 85 48 89 de 31 c0 e8 9f c7 01 ff <0f> 0b e9 2d fd ff ff e8 03 ec 2c ff 0f 0b e9 87 fe ff ff 48 c7 c1 [ 44.717129][ T416] Modules linked in: [ 44.724671][ C0] RSP: 0018:ffffc90000007d50 EFLAGS: 00010246 [ 44.724684][ C0] RAX: 1e4cdc758ce99c00 RBX: ffffffff81610580 RCX: ffff888108250f40 [ 44.724690][ C0] RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 [ 44.724696][ C0] RBP: ffffc90000007d98 R08: ffffffff815145c8 R09: fffff52000000f77 [ 44.724703][ C0] R10: fffff52000000f77 R11: 1ffff92000000f76 R12: ffff88810d265ea0 [ 44.724708][ C0] R13: 0000000000000008 R14: 1ffff11021a4cbd0 R15: ffff88810d265e80 [ 44.724717][ C0] FS: 00007fa5e9b41800(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 44.724724][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.724730][ C0] CR2: 00007f31ebf0eff8 CR3: 00000001093ce000 CR4: 00000000003506b0 [ 44.724738][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.724743][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.724746][ C0] Call Trace: [ 44.724750][ C0] [ 44.724767][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 44.724778][ C0] rcu_do_batch+0x4ad/0xb00 [ 44.724789][ C0] rcu_core+0x64a/0xdf0 [ 44.724799][ C0] ? sched_clock_cpu+0x1b/0x3e0 [ 44.724810][ C0] rcu_core_si+0x9/0x10 [ 44.724821][ C0] __do_softirq+0x253/0x67b [ 44.724831][ C0] asm_call_irq_on_stack+0xf/0x20 [ 44.724846][ C0] [ 44.747929][ T416] [ 44.751512][ C0] do_softirq_own_stack+0x60/0x80 [ 44.751526][ C0] __irq_exit_rcu+0x152/0x1e0 [ 44.751547][ C0] irq_exit_rcu+0x9/0x10 [ 44.762737][ T416] CPU: 1 PID: 416 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 44.772705][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 44.772718][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 44.772730][ C0] RIP: 0010:__slab_free+0x257/0x410 [ 44.772747][ C0] Code: c0 48 89 45 a0 44 89 f0 49 09 c5 f6 47 0b 40 0f 84 0e fe ff ff 31 f6 48 8b 5d 98 4c 89 e9 4c 89 e0 4c 89 fa f0 49 0f c7 48 20 <0f> 94 c3 80 fb 02 73 0a 84 db 0f 84 d3 fe ff ff eb 6d 40 88 de 48 [ 44.779864][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.799520][ C0] RSP: 0018:ffffc90000aa79a8 EFLAGS: 00000246 [ 44.799535][ C0] RAX: ffff88810dc4a000 RBX: ffff88810dc4adc0 RCX: 00000000800c0004 [ 44.799541][ C0] RDX: 00000000800c0005 RSI: 0000000000000000 RDI: ffff888103ee1dc0 [ 44.799548][ C0] RBP: ffffc90000aa7a30 R08: ffffea0004371280 R09: 0000000000000000 [ 44.799554][ C0] R10: ffff88810dc4adc0 R11: 1ffff92000154eed R12: ffff88810dc4a000 [ 44.799560][ C0] R13: 00000000800c0004 R14: 00000000800c0004 R15: 00000000800c0005 [ 44.799588][ C0] ? __slab_free+0x345/0x410 [ 44.799611][ C0] ? __kernel_text_address+0x9a/0x110 [ 44.803632][ T416] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 44.809529][ C0] ? qlink_free+0x29/0x40 [ 44.809539][ C0] ___cache_free+0x122/0x160 [ 44.809548][ C0] qlink_free+0x38/0x40 [ 44.809564][ C0] qlist_free_all+0x4c/0xc0 [ 44.817601][ T416] Code: c9 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 6e 01 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 5b 01 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 ea 1f 86 80 e1 07 80 c1 03 38 c1 [ 44.825590][ C0] quarantine_reduce+0x15a/0x170 [ 44.825602][ C0] __kasan_kmalloc+0x32/0x150 [ 44.825623][ C0] ? call_rcu+0xbb/0x11f0 [ 44.833769][ T416] RSP: 0018:ffffc90000f27e30 EFLAGS: 00010293 [ 44.841619][ C0] ? ____fput+0x15/0x20 [ 44.841631][ C0] ? task_work_run+0x147/0x1b0 [ 44.841642][ C0] ? exit_to_user_mode_loop+0xc8/0xe0 [ 44.841661][ C0] ? syscall_exit_to_user_mode+0x77/0xa0 [ 44.849695][ T416] [ 44.858561][ C0] ? do_syscall_64+0x40/0x70 [ 44.858581][ C0] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.858595][ C0] ? __should_failslab+0xd2/0x130 [ 44.858613][ C0] ? getname_flags+0xba/0x510 [ 44.865368][ T416] RAX: ffffffff81b00f05 RBX: ffffe8ffffd4b014 RCX: ffff8881025f9e80 [ 44.873242][ C0] ? should_failslab+0x9/0x20 [ 44.873253][ C0] kasan_slab_alloc+0xe/0x10 [ 44.873269][ C0] kmem_cache_alloc+0x116/0x2a0 [ 44.881387][ T416] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 44.889274][ C0] ? getname_flags+0xba/0x510 [ 44.889284][ C0] getname_flags+0xba/0x510 [ 44.889293][ C0] getname+0x19/0x20 [ 44.889310][ C0] do_sys_openat2+0x6e/0x390 [ 44.894309][ T416] RBP: ffffc90000f27e80 R08: ffffffff81b00be3 R09: fffff520001e4fcd [ 44.897070][ C0] __x64_sys_openat+0x1e6/0x210 [ 44.897082][ C0] do_syscall_64+0x34/0x70 [ 44.897093][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.897109][ C0] RIP: 0033:0x7fa5e9ccd697 [ 44.903212][ T416] R10: fffff520001e4fcd R11: 1ffff920001e4fcc R12: ffff888102fd0dc8 [ 44.907644][ C0] Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f [ 44.907651][ C0] RSP: 002b:00007ffe01a9f910 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 44.907673][ C0] RAX: ffffffffffffffda RBX: 0000564400c5c2c0 RCX: 00007fa5e9ccd697 [ 44.911883][ T416] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 44.916832][ C0] RDX: 0000000000000d41 RSI: 00007fa5e9e5b99a RDI: 00000000ffffff9c [ 44.916840][ C0] RBP: 00007fa5e9e5b99a R08: 0000000000000000 R09: 00007ffe01a9f6f7 [ 44.916851][ C0] R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000000d41 [ 44.916857][ C0] R13: 00007ffe01a9f950 R14: 00007ffe01a9f970 R15: 0000000000000000 [ 44.916865][ C0] ---[ end trace 518ce58d12f18518 ]--- [ 44.916872][ C0] !!! css_killed_ref_fn css ffff88810d0bc000 !!! [ 44.916892][ C0] !!! css_killed_ref_fn css ffff88810d0bd800 !!! [ 44.921106][ T416] FS: 00005555572da400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 44.926382][ T382] !!! css_release css ffff88810d0bd800 !!! [ 44.931075][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.935247][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810d0bd800 !!! [ 44.936805][ T416] CR2: 00007fffa3e9cd58 CR3: 0000000116a9f000 CR4: 00000000003506a0 [ 44.941857][ T508] !!! css_create !!! [ 44.946639][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.952519][ T508] !!! css_create !!! [ 44.963132][ T23] audit: type=1400 audit(1654023618.329:161): avc: denied { create } for pid=141 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 44.974857][ T508] !!! css_create !!! [ 44.981245][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.000142][ T508] FAULT_INJECTION: forcing a failure. [ 45.000142][ T508] name failslab, interval 1, probability 0, space 0, times 0 [ 45.010114][ T416] Call Trace: [ 45.016502][ T508] CPU: 0 PID: 508 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 45.024434][ T416] __cleanup_mnt+0x19/0x20 [ 45.032220][ T508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.032224][ T508] Call Trace: [ 45.032237][ T508] dump_stack+0x19c/0x1e2 [ 45.032257][ T508] should_fail+0x3f7/0x5b0 [ 45.040373][ T416] task_work_run+0x147/0x1b0 [ 45.048257][ T508] __should_failslab+0xd2/0x130 [ 45.048267][ T508] should_failslab+0x9/0x20 [ 45.048277][ T508] slab_pre_alloc_hook+0x25/0xe0 [ 45.048289][ T508] ? __kernfs_new_node+0x4c/0x6d0 [ 45.048296][ T508] __kmalloc_track_caller+0x70/0x300 [ 45.048304][ T508] ? __kernfs_new_node+0x4c/0x6d0 [ 45.048313][ T508] kstrdup_const+0x55/0x90 [ 45.048321][ T508] __kernfs_new_node+0x4c/0x6d0 [ 45.048330][ T508] ? string+0x29f/0x2b0 [ 45.048338][ T508] ? vsnprintf+0x1a6c/0x1b30 [ 45.048346][ T508] kernfs_new_node+0x97/0x170 [ 45.048355][ T508] __kernfs_create_file+0x4a/0x270 [ 45.048366][ T508] cgroup_addrm_files+0x99e/0xeb0 [ 45.048378][ T508] ? delete_node+0x747/0x7a0 [ 45.048388][ T508] css_populate_dir+0x137/0x370 [ 45.048397][ T508] cgroup_apply_control_enable+0x31e/0xfc0 [ 45.048415][ T508] cgroup_apply_control+0x36/0x710 [ 45.056556][ T416] exit_to_user_mode_loop+0xc8/0xe0 [ 45.060927][ T508] ? init_wait_entry+0xe0/0xe0 [ 45.060939][ T508] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.060949][ T508] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.060966][ T508] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.066836][ T416] syscall_exit_to_user_mode+0x77/0xa0 [ 45.072632][ T508] cgroup_file_write+0x22f/0x4f0 [ 45.072643][ T508] kernfs_fop_write_iter+0x2cd/0x410 [ 45.072660][ T508] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.077273][ T416] do_syscall_64+0x40/0x70 [ 45.081668][ T508] vfs_write+0xb57/0xe50 [ 45.081682][ T508] ksys_write+0x157/0x260 [ 45.081691][ T508] __x64_sys_write+0x7b/0x90 [ 45.081701][ T508] do_syscall_64+0x34/0x70 [ 45.081726][ T508] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.087823][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.092172][ T508] RIP: 0033:0x7f5ac10b50e9 [ 45.092184][ T508] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.092189][ T508] RSP: 002b:00007f5ac100a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.111905][ T416] RIP: 0033:0x7fa0a09b5557 [ 45.116698][ T508] RAX: ffffffffffffffda RBX: 00007f5ac11c8030 RCX: 00007f5ac10b50e9 [ 45.116704][ T508] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.116710][ T508] RBP: 00007f5ac100a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.116717][ T508] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.116723][ T508] R13: 00007ffde09f36cf R14: 00007f5ac100a300 R15: 0000000000022000 [ 45.119583][ T508] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.121446][ T416] 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 [ 45.126023][ T508] !!! cgroup_apply_control_disable [ 45.132137][ T416] RSP: 002b:00007fffa3e9d498 EFLAGS: 00000246 [ 45.137039][ T508] !!! cgroup_apply_control_disable kill_css ffff88810e6f0400 [ 45.141106][ T416] ORIG_RAX: 00000000000000a6 [ 45.146999][ T508] !!! cgroup_apply_control_disable kill_css ffff88810e802800 [ 45.152207][ T416] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa0a09b5557 [ 45.154817][ T508] !!! cgroup_apply_control_disable kill_css ffff88810e803c00 [ 45.159157][ T416] RDX: 00007fffa3e9d569 RSI: 000000000000000a RDI: 00007fffa3e9d560 [ 45.834619][ T416] RBP: 00007fffa3e9d560 R08: 00000000ffffffff R09: 00007fffa3e9d330 [ 45.835524][ T414] ------------[ cut here ]------------ [ 45.848389][ T414] WARNING: CPU: 1 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 45.853060][ T416] R10: 00005555572dbba3 R11: 0000000000000246 R12: 00007fa0a0a0d1f8 [ 45.857439][ T414] Modules linked in: [ 45.865413][ C0] !!! css_killed_ref_fn css ffff88810e6f0400 !!! [ 45.865507][ T79] !!! css_release css ffff88810e6f0400 !!! [ 45.869312][ T414] CPU: 1 PID: 414 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 45.869319][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.869345][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 45.869365][ T414] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 45.881228][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810e6f0400 !!! [ 45.881701][ T414] RSP: 0018:ffffc90000f07dd0 EFLAGS: 00010293 [ 45.899818][ T416] R13: 00007fffa3e9e620 R14: 00005555572dbb00 R15: 00007fffa3e9e660 [ 45.903491][ T414] [ 45.912563][ T416] ---[ end trace 518ce58d12f18519 ]--- [ 45.928960][ T414] RAX: ffffffff81af043c RBX: ffff88810dcc4b60 RCX: ffff8881025fadc0 [ 45.928968][ T414] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 45.928974][ T414] RBP: ffffc90000f07e40 R08: ffffffff81af0167 R09: fffff520001e0fb2 [ 45.928980][ T414] R10: fffff520001e0fb2 R11: 1ffff920001e0fb1 R12: dffffc0000000000 [ 45.928986][ T414] R13: ffff88810dcc4a80 R14: 00000000ffffffff R15: 0000000000000000 [ 45.928993][ T414] FS: 0000555555bdf400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 45.929000][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.929006][ T414] CR2: 00007fffa3e9cd58 CR3: 0000000116b88000 CR4: 00000000003506a0 [ 45.929014][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.929019][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.929023][ T414] Call Trace: [ 45.929040][ T414] path_umount+0x1ad/0xed0 [ 45.929060][ T414] __x64_sys_umount+0xe8/0x110 [ 46.052452][ T414] do_syscall_64+0x34/0x70 [ 46.056966][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.062968][ T414] RIP: 0033:0x7f5ac10b6557 [ 46.067383][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.087719][ T414] RSP: 002b:00007ffde09f2828 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 46.096146][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ac10b6557 [ 46.104210][ T414] RDX: 00007ffde09f28f9 RSI: 000000000000000a RDI: 00007ffde09f28f0 [ 46.112176][ T414] RBP: 00007ffde09f28f0 R08: 00000000ffffffff R09: 00007ffde09f26c0 [ 46.120265][ T414] R10: 0000555555be0ba3 R11: 0000000000000246 R12: 00007f5ac110e1f8 [ 46.128536][ T414] R13: 00007ffde09f39b0 R14: 0000555555be0b00 R15: 00007ffde09f39f0 [ 46.136519][ T414] ---[ end trace 518ce58d12f1851a ]--- [ 46.152854][ C0] !!! css_killed_ref_fn css ffff88810e802800 !!! [ 46.159479][ C0] !!! css_killed_ref_fn css ffff88810e803c00 !!! [ 46.166407][ T79] !!! css_release css ffff88810e802800 !!! [ 46.172219][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810e802800 !!! [ 46.180284][ T382] !!! css_release css ffff88810e803c00 !!! [ 46.186175][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810e803c00 !!! [ 46.194250][ T502] !!! css_create !!! [ 46.198210][ T502] !!! css_create !!! [ 46.202176][ T502] !!! css_create !!! [ 46.206302][ T502] FAULT_INJECTION: forcing a failure. [ 46.206302][ T502] name failslab, interval 1, probability 0, space 0, times 0 [ 46.219142][ T502] CPU: 0 PID: 502 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 46.230781][ T502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.241223][ T502] Call Trace: [ 46.244539][ T502] dump_stack+0x19c/0x1e2 [ 46.248994][ T502] should_fail+0x3f7/0x5b0 [ 46.253484][ T502] __should_failslab+0xd2/0x130 [ 46.258540][ T502] should_failslab+0x9/0x20 [ 46.263041][ T502] slab_pre_alloc_hook+0x25/0xe0 [ 46.267971][ T502] kmem_cache_alloc_trace+0x47/0x2b0 [ 46.273358][ T502] ? pids_css_alloc+0x4e/0x120 [ 46.278106][ T502] pids_css_alloc+0x4e/0x120 [ 46.282869][ T502] cgroup_apply_control_enable+0x44e/0xfc0 [ 46.288745][ T502] cgroup_apply_control+0x36/0x710 [ 46.293838][ T502] ? init_wait_entry+0xe0/0xe0 [ 46.298673][ T502] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.303946][ T502] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.309939][ T502] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.315988][ T502] cgroup_file_write+0x22f/0x4f0 [ 46.321029][ T502] kernfs_fop_write_iter+0x2cd/0x410 [ 46.326416][ T502] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.332314][ T502] vfs_write+0xb57/0xe50 [ 46.336546][ T502] ksys_write+0x157/0x260 [ 46.340877][ T502] __x64_sys_write+0x7b/0x90 [ 46.345626][ T502] do_syscall_64+0x34/0x70 [ 46.350041][ T502] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.357231][ T502] RIP: 0033:0x7f2357f530e9 [ 46.361738][ T502] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.384645][ T502] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.393057][ T502] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 46.401158][ T502] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.409694][ T502] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.417932][ T502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.425897][ T502] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 46.434123][ T502] !!! cgroup_apply_control_disable [ 46.439398][ T502] !!! cgroup_apply_control_disable kill_css ffff88810e7ce800 [ 46.447029][ T502] !!! cgroup_apply_control_disable kill_css ffff88810e95a400 [ 46.482877][ C1] !!! css_killed_ref_fn css ffff88810e7ce800 !!! [ 46.489562][ T445] !!! css_release css ffff88810e7ce800 !!! [ 46.496153][ C1] !!! css_killed_ref_fn css ffff88810e95a400 !!! [ 46.503760][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810e7ce800 !!! [ 46.511702][ T445] !!! css_release css ffff88810e95a400 !!! [ 46.518481][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810e95a400 !!! [ 46.526429][ T499] !!! css_create !!! [ 46.530399][ T499] !!! css_create !!! [ 46.534409][ T499] !!! css_create !!! [ 46.538615][ T499] FAULT_INJECTION: forcing a failure. [ 46.538615][ T499] name failslab, interval 1, probability 0, space 0, times 0 [ 46.552687][ T499] CPU: 1 PID: 499 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 46.564228][ T499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.574567][ T499] Call Trace: [ 46.578085][ T499] dump_stack+0x19c/0x1e2 [ 46.582479][ T499] should_fail+0x3f7/0x5b0 [ 46.588293][ T499] __should_failslab+0xd2/0x130 [ 46.593173][ T499] should_failslab+0x9/0x20 [ 46.597683][ T499] slab_pre_alloc_hook+0x25/0xe0 [ 46.602813][ T499] kmem_cache_alloc_trace+0x47/0x2b0 [ 46.608114][ T499] ? percpu_ref_init+0xd0/0x330 [ 46.613331][ T499] percpu_ref_init+0xd0/0x330 [ 46.618039][ T499] ? cgroup_setup_root+0x8a0/0x8a0 [ 46.623253][ T499] cgroup_apply_control_enable+0x49f/0xfc0 [ 46.629278][ T499] cgroup_apply_control+0x36/0x710 [ 46.634668][ T499] ? init_wait_entry+0xe0/0xe0 [ 46.639434][ T499] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.645017][ T499] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.651151][ T499] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.657262][ T499] cgroup_file_write+0x22f/0x4f0 [ 46.662343][ T499] kernfs_fop_write_iter+0x2cd/0x410 [ 46.667722][ T499] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.672835][ T499] vfs_write+0xb57/0xe50 [ 46.677212][ T499] ksys_write+0x157/0x260 [ 46.681640][ T499] __x64_sys_write+0x7b/0x90 [ 46.686547][ T499] do_syscall_64+0x34/0x70 [ 46.691468][ T499] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.697690][ T499] RIP: 0033:0x7f056852e0e9 [ 46.702109][ 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 [ 46.724066][ T499] RSP: 002b:00007f0568483168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.732880][ T499] RAX: ffffffffffffffda RBX: 00007f0568641030 RCX: 00007f056852e0e9 [ 46.741483][ T499] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.749548][ T499] RBP: 00007f05684831d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.757786][ T499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.765979][ T499] R13: 00007ffd2eb533ef R14: 00007f0568483300 R15: 0000000000022000 [ 46.775738][ T499] !!! cgroup_apply_control_disable [ 46.781364][ T499] !!! cgroup_apply_control_disable kill_css ffff88810e7c4c00 [ 46.789922][ T499] !!! cgroup_apply_control_disable kill_css ffff88810e7c2c00 [ 46.822878][ C0] !!! css_killed_ref_fn css ffff88810e7c4c00 !!! [ 46.829572][ T79] !!! css_release css ffff88810e7c4c00 !!! [ 46.836350][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810e7c4c00 !!! [ 46.842877][ C1] !!! css_killed_ref_fn css ffff88810e7c2c00 !!! [ 46.851424][ T445] !!! css_release css ffff88810e7c2c00 !!! [ 46.857356][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810e7c2c00 !!! [ 46.865376][ T523] !!! css_create !!! [ 46.869605][ T523] !!! css_create !!! [ 46.873730][ T523] !!! css_create !!! [ 46.877863][ T523] FAULT_INJECTION: forcing a failure. [ 46.877863][ T523] name failslab, interval 1, probability 0, space 0, times 0 [ 46.891654][ T523] CPU: 0 PID: 523 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 46.903562][ T523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.913715][ T523] Call Trace: [ 46.917091][ T523] dump_stack+0x19c/0x1e2 [ 46.921537][ T523] should_fail+0x3f7/0x5b0 [ 46.925943][ T523] __should_failslab+0xd2/0x130 [ 46.931125][ T523] should_failslab+0x9/0x20 [ 46.935783][ T523] slab_pre_alloc_hook+0x25/0xe0 [ 46.940913][ T523] kmem_cache_alloc_trace+0x47/0x2b0 [ 46.946500][ T523] ? percpu_ref_init+0xd0/0x330 [ 46.951432][ T523] percpu_ref_init+0xd0/0x330 [ 46.956412][ T523] ? cgroup_setup_root+0x8a0/0x8a0 [ 46.962640][ T523] cgroup_apply_control_enable+0x49f/0xfc0 [ 46.969992][ T523] cgroup_apply_control+0x36/0x710 [ 46.975383][ T523] ? init_wait_entry+0xe0/0xe0 [ 46.980171][ T523] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.985673][ T523] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.991665][ T523] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.997631][ T523] cgroup_file_write+0x22f/0x4f0 [ 47.002577][ T523] kernfs_fop_write_iter+0x2cd/0x410 [ 47.008045][ T523] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.013444][ T523] vfs_write+0xb57/0xe50 [ 47.017699][ T523] ksys_write+0x157/0x260 [ 47.022108][ T523] __x64_sys_write+0x7b/0x90 [ 47.026742][ T523] do_syscall_64+0x34/0x70 [ 47.031158][ T523] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.037115][ T523] RIP: 0033:0x7f5ac10b50e9 [ 47.041507][ T523] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.061298][ T523] RSP: 002b:00007f5ac100a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.069713][ T523] RAX: ffffffffffffffda RBX: 00007f5ac11c8030 RCX: 00007f5ac10b50e9 [ 47.077668][ T523] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.085620][ T523] RBP: 00007f5ac100a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.094140][ T523] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.102309][ T523] R13: 00007ffde09f36cf R14: 00007f5ac100a300 R15: 0000000000022000 [ 47.111285][ T523] !!! cgroup_apply_control_disable [ 47.117163][ T523] !!! cgroup_apply_control_disable kill_css ffff88810d0be800 [ 47.125117][ T523] !!! cgroup_apply_control_disable kill_css ffff88810e8d9c00 [ 47.162891][ C1] !!! css_killed_ref_fn css ffff88810e8d9c00 !!! [ 47.162897][ C0] !!! css_killed_ref_fn css ffff88810d0be800 !!! [ 47.163020][ T79] !!! css_release css ffff88810d0be800 !!! [ 47.181742][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810d0be800 !!! [ 47.189525][ T445] !!! css_release css ffff88810e8d9c00 !!! [ 47.195687][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810e8d9c00 !!! [ 47.203584][ T525] !!! css_create !!! [ 47.207910][ T525] !!! css_create !!! [ 47.212198][ T525] !!! css_create !!! [ 47.216251][ T525] FAULT_INJECTION: forcing a failure. [ 47.216251][ T525] name failslab, interval 1, probability 0, space 0, times 0 [ 47.229365][ T525] CPU: 0 PID: 525 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 47.241752][ T525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.252046][ T525] Call Trace: [ 47.255349][ T525] dump_stack+0x19c/0x1e2 [ 47.259823][ T525] should_fail+0x3f7/0x5b0 [ 47.264241][ T525] __should_failslab+0xd2/0x130 [ 47.269185][ T525] should_failslab+0x9/0x20 [ 47.273818][ T525] slab_pre_alloc_hook+0x25/0xe0 [ 47.278973][ T525] ? __kernfs_new_node+0x4c/0x6d0 [ 47.284000][ T525] __kmalloc_track_caller+0x70/0x300 [ 47.289286][ T525] ? __kernfs_new_node+0x4c/0x6d0 [ 47.294741][ T525] kstrdup_const+0x55/0x90 [ 47.299295][ T525] __kernfs_new_node+0x4c/0x6d0 [ 47.304257][ T525] ? string+0x29f/0x2b0 [ 47.308520][ T525] ? vsnprintf+0x1a6c/0x1b30 [ 47.313204][ T525] kernfs_new_node+0x97/0x170 [ 47.318079][ T525] __kernfs_create_file+0x4a/0x270 [ 47.323264][ T525] cgroup_addrm_files+0x99e/0xeb0 [ 47.328508][ T525] ? delete_node+0x747/0x7a0 [ 47.333195][ T525] css_populate_dir+0x137/0x370 [ 47.338064][ T525] cgroup_apply_control_enable+0x31e/0xfc0 [ 47.344032][ T525] cgroup_apply_control+0x36/0x710 [ 47.349148][ T525] ? init_wait_entry+0xe0/0xe0 [ 47.354086][ T525] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.359654][ T525] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.365625][ T525] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.371677][ T525] cgroup_file_write+0x22f/0x4f0 [ 47.376980][ T525] kernfs_fop_write_iter+0x2cd/0x410 [ 47.382245][ T525] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.387444][ T525] vfs_write+0xb57/0xe50 [ 47.391667][ T525] ksys_write+0x157/0x260 [ 47.396070][ T525] __x64_sys_write+0x7b/0x90 [ 47.400651][ T525] do_syscall_64+0x34/0x70 [ 47.405066][ T525] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.410954][ T525] RIP: 0033:0x7f056852e0e9 [ 47.415479][ 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 [ 47.435875][ T525] RSP: 002b:00007f0568483168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.444413][ T525] RAX: ffffffffffffffda RBX: 00007f0568641030 RCX: 00007f056852e0e9 [ 47.452766][ T525] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.460822][ T525] RBP: 00007f05684831d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.469079][ T525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.477077][ T525] R13: 00007ffd2eb533ef R14: 00007f0568483300 R15: 0000000000022000 [ 47.485502][ T525] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.492617][ T525] !!! cgroup_apply_control_disable [ 47.497852][ T525] !!! cgroup_apply_control_disable kill_css ffff88810eabdc00 [ 47.505609][ T525] !!! cgroup_apply_control_disable kill_css ffff88810e776400 2022/05/31 19:00:20 executed programs: 32 [ 47.513252][ T525] !!! cgroup_apply_control_disable kill_css ffff88810edae800 [ 47.523433][ T417] ------------[ cut here ]------------ [ 47.528924][ T417] WARNING: CPU: 1 PID: 417 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 47.537897][ T417] Modules linked in: [ 47.542154][ T417] CPU: 1 PID: 417 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 47.542854][ C0] !!! css_killed_ref_fn css ffff88810eabdc00 !!! [ 47.553728][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.553760][ T417] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 47.560261][ T377] !!! css_release css ffff88810eabdc00 !!! [ 47.570319][ T417] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 47.576328][ T377] !!! css_put is zero set CSS_NO_REF css ffff88810eabdc00 !!! [ 47.582020][ T417] RSP: 0018:ffffc90000f37d58 EFLAGS: 00010293 [ 47.582034][ T417] RAX: ffffffff81af043c RBX: ffff88810dcc4e60 RCX: ffff888108ba6ac0 [ 47.582040][ T417] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 47.582056][ T417] RBP: ffffc90000f37dc8 R08: ffffffff81af0167 R09: fffff520001e6fa3 [ 47.640915][ T417] R10: fffff520001e6fa3 R11: 1ffff920001e6fa2 R12: dffffc0000000000 [ 47.649078][ T417] R13: ffff88810dcc4d80 R14: 00000000ffffffff R15: 0000000000000000 [ 47.657202][ T417] FS: 00005555569dc400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 47.666153][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.672738][ T417] CR2: 00005555571553b8 CR3: 0000000108af6000 CR4: 00000000003506a0 [ 47.680844][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.688850][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.697458][ T417] Call Trace: [ 47.701013][ T417] ? init_wait_entry+0xe0/0xe0 [ 47.705912][ T417] ? up_write+0x68/0x140 [ 47.710163][ T417] namespace_unlock+0x377/0x420 [ 47.715120][ T417] path_umount+0xe23/0xed0 [ 47.719789][ T417] __x64_sys_umount+0xe8/0x110 [ 47.725688][ T417] do_syscall_64+0x34/0x70 [ 47.730139][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.736045][ T417] RIP: 0033:0x7f056852f557 [ 47.740471][ T417] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.760920][ T417] RSP: 002b:00007ffd2eb52548 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 47.769452][ T417] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f056852f557 [ 47.777428][ T417] RDX: 00007ffd2eb52619 RSI: 000000000000000a RDI: 00007ffd2eb52610 [ 47.785398][ T417] RBP: 00007ffd2eb52610 R08: 00000000ffffffff R09: 00007ffd2eb523e0 [ 47.793471][ T417] R10: 00005555569ddba3 R11: 0000000000000246 R12: 00007f05685871f8 [ 47.801538][ T417] R13: 00007ffd2eb536d0 R14: 00005555569ddb00 R15: 00007ffd2eb53710 [ 47.809776][ T417] ---[ end trace 518ce58d12f1851b ]--- [ 47.815818][ T417] ------------[ cut here ]------------ [ 47.821394][ T417] WARNING: CPU: 1 PID: 417 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 47.830338][ T417] Modules linked in: [ 47.832837][ C0] !!! css_killed_ref_fn css ffff88810e776400 !!! [ 47.834379][ T417] CPU: 1 PID: 417 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 47.840653][ C0] !!! css_killed_ref_fn css ffff88810edae800 !!! [ 47.852268][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.858939][ T377] !!! css_release css ffff88810e776400 !!! [ 47.868868][ T417] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 47.868886][ T417] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 47.874844][ T377] !!! css_put is zero set CSS_NO_REF css ffff88810e776400 !!! [ 47.880344][ T417] RSP: 0018:ffffc90000f37dd0 EFLAGS: 00010293 [ 47.880357][ T417] RAX: ffffffff81af043c RBX: ffff88810dcc4e60 RCX: ffff888108ba6ac0 [ 47.880371][ T417] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 47.924230][ T524] !!! css_create !!! [ 47.930018][ T417] RBP: ffffc90000f37e40 R08: ffffffff81af0167 R09: fffff520001e6fb2 [ 47.938346][ T524] !!! css_create !!! [ 47.941809][ T417] R10: fffff520001e6fb2 R11: 1ffff920001e6fb1 R12: dffffc0000000000 [ 47.941817][ T417] R13: ffff88810dcc4d80 R14: 00000000fffffffe R15: 0000000000000000 [ 47.941827][ T417] FS: 00005555569dc400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 47.941842][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.953503][ T524] !!! css_create !!! [ 47.953894][ T417] CR2: 00005555571553b8 CR3: 0000000108af6000 CR4: 00000000003506a0 [ 47.970641][ T524] FAULT_INJECTION: forcing a failure. [ 47.970641][ T524] name failslab, interval 1, probability 0, space 0, times 0 [ 47.970989][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.985295][ T524] CPU: 0 PID: 524 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 47.989850][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.002685][ T524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.002690][ T524] Call Trace: [ 48.002713][ T524] dump_stack+0x19c/0x1e2 [ 48.002726][ T524] should_fail+0x3f7/0x5b0 [ 48.002782][ T524] __should_failslab+0xd2/0x130 [ 48.010740][ T417] Call Trace: [ 48.022411][ T524] should_failslab+0x9/0x20 [ 48.022423][ T524] slab_pre_alloc_hook+0x25/0xe0 [ 48.022433][ T524] kmem_cache_alloc_trace+0x47/0x2b0 [ 48.022443][ T524] ? percpu_ref_init+0xd0/0x330 [ 48.022452][ T524] percpu_ref_init+0xd0/0x330 [ 48.022462][ T524] ? cgroup_setup_root+0x8a0/0x8a0 [ 48.022485][ T524] cgroup_apply_control_enable+0x49f/0xfc0 [ 48.030481][ T417] path_umount+0x1ad/0xed0 [ 48.040661][ T524] cgroup_apply_control+0x36/0x710 [ 48.040680][ T524] ? init_wait_entry+0xe0/0xe0 [ 48.044054][ T417] __x64_sys_umount+0xe8/0x110 [ 48.048352][ T524] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.052772][ T417] do_syscall_64+0x34/0x70 [ 48.057605][ T524] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.057616][ T524] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.057624][ T524] cgroup_file_write+0x22f/0x4f0 [ 48.057642][ T524] kernfs_fop_write_iter+0x2cd/0x410 [ 48.060905][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.065371][ T524] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.065382][ T524] vfs_write+0xb57/0xe50 [ 48.065397][ T524] ksys_write+0x157/0x260 [ 48.070494][ T417] RIP: 0033:0x7f056852f557 [ 48.075743][ T524] __x64_sys_write+0x7b/0x90 [ 48.075752][ T524] do_syscall_64+0x34/0x70 [ 48.075768][ T524] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.080593][ T417] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.085235][ T524] RIP: 0033:0x7f2357f530e9 [ 48.085246][ T524] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.085259][ T524] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 [ 48.090368][ T417] RSP: 002b:00007ffd2eb52548 EFLAGS: 00000246 [ 48.096220][ T524] ORIG_RAX: 0000000000000001 [ 48.096228][ T524] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 48.096235][ T524] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.096247][ T524] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.100638][ T417] ORIG_RAX: 00000000000000a6 [ 48.105816][ T524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.105823][ T524] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 48.252884][ T524] !!! cgroup_apply_control_disable [ 48.260772][ T417] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f056852f557 [ 48.260788][ T417] RDX: 00007ffd2eb52619 RSI: 000000000000000a RDI: 00007ffd2eb52610 [ 48.279632][ T524] !!! cgroup_apply_control_disable kill_css ffff88810ed61000 [ 48.281546][ T417] RBP: 00007ffd2eb52610 R08: 00000000ffffffff R09: 00007ffd2eb523e0 [ 48.281553][ T417] R10: 00005555569ddba3 R11: 0000000000000246 R12: 00007f05685871f8 [ 48.281568][ T417] R13: 00007ffd2eb536d0 R14: 00005555569ddb00 R15: 00007ffd2eb53710 [ 48.300535][ T524] !!! cgroup_apply_control_disable kill_css ffff88810ed60800 [ 48.303001][ T417] ---[ end trace 518ce58d12f1851c ]--- [ 48.392884][ C0] !!! css_killed_ref_fn css ffff88810ed61000 !!! [ 48.399359][ C0] !!! css_killed_ref_fn css ffff88810ed60800 !!! [ 48.406030][ T79] !!! css_release css ffff88810ed61000 !!! [ 48.411839][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810ed61000 !!! [ 48.419444][ T79] !!! css_release css ffff88810ed60800 !!! [ 48.425520][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810ed60800 !!! [ 48.433348][ T511] !!! css_create !!! [ 48.437384][ T511] !!! css_create !!! [ 48.441293][ T511] !!! css_create !!! [ 48.445382][ T511] FAULT_INJECTION: forcing a failure. [ 48.445382][ T511] name failslab, interval 1, probability 0, space 0, times 0 [ 48.458355][ T511] CPU: 1 PID: 511 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 48.469886][ T511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.479926][ T511] Call Trace: [ 48.483393][ T511] dump_stack+0x19c/0x1e2 [ 48.487711][ T511] should_fail+0x3f7/0x5b0 [ 48.492174][ T511] __should_failslab+0xd2/0x130 [ 48.497016][ T511] should_failslab+0x9/0x20 [ 48.501629][ T511] slab_pre_alloc_hook+0x25/0xe0 [ 48.506559][ T511] kmem_cache_alloc_trace+0x47/0x2b0 [ 48.511845][ T511] ? percpu_ref_init+0xd0/0x330 [ 48.516682][ T511] percpu_ref_init+0xd0/0x330 [ 48.521657][ T511] ? cgroup_setup_root+0x8a0/0x8a0 [ 48.526771][ T511] cgroup_apply_control_enable+0x49f/0xfc0 [ 48.532692][ T511] cgroup_apply_control+0x36/0x710 [ 48.537794][ T511] ? init_wait_entry+0xe0/0xe0 [ 48.542642][ T511] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.547992][ T511] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.553972][ T511] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.559952][ T511] cgroup_file_write+0x22f/0x4f0 [ 48.565006][ T511] kernfs_fop_write_iter+0x2cd/0x410 [ 48.570275][ T511] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.575379][ T511] vfs_write+0xb57/0xe50 [ 48.579781][ T511] ksys_write+0x157/0x260 [ 48.584088][ T511] __x64_sys_write+0x7b/0x90 [ 48.588665][ T511] do_syscall_64+0x34/0x70 [ 48.593080][ T511] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.598988][ T511] RIP: 0033:0x7fdacc0480e9 [ 48.603391][ T511] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.622982][ T511] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.631376][ T511] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 48.639339][ T511] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.647475][ T511] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.655456][ T511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.663959][ T511] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 48.672452][ T511] !!! cgroup_apply_control_disable [ 48.677774][ T511] !!! cgroup_apply_control_disable kill_css ffff88810ed61800 [ 48.685310][ T511] !!! cgroup_apply_control_disable kill_css ffff88810ed60000 [ 48.732878][ C1] !!! css_killed_ref_fn css ffff88810ed61800 !!! [ 48.732884][ C0] !!! css_killed_ref_fn css ffff88810ed60000 !!! [ 48.733036][ T79] !!! css_release css ffff88810ed60000 !!! [ 48.752168][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810ed60000 !!! [ 48.759906][ T445] !!! css_release css ffff88810ed61800 !!! [ 48.766138][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810ed61800 !!! [ 48.773900][ T537] !!! css_create !!! [ 48.777931][ T537] !!! css_create !!! [ 48.782122][ T537] !!! css_create !!! [ 48.786263][ T537] FAULT_INJECTION: forcing a failure. [ 48.786263][ T537] name failslab, interval 1, probability 0, space 0, times 0 [ 48.799357][ T537] CPU: 1 PID: 537 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 48.810949][ T537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.821744][ T537] Call Trace: [ 48.825037][ T537] dump_stack+0x19c/0x1e2 [ 48.829533][ T537] should_fail+0x3f7/0x5b0 [ 48.833938][ T537] __should_failslab+0xd2/0x130 [ 48.838867][ T537] should_failslab+0x9/0x20 [ 48.843388][ T537] slab_pre_alloc_hook+0x25/0xe0 [ 48.848410][ T537] ? __kernfs_new_node+0x4c/0x6d0 [ 48.853432][ T537] __kmalloc_track_caller+0x70/0x300 [ 48.858702][ T537] ? __kernfs_new_node+0x4c/0x6d0 [ 48.863717][ T537] kstrdup_const+0x55/0x90 [ 48.868120][ T537] __kernfs_new_node+0x4c/0x6d0 [ 48.872948][ T537] ? string+0x29f/0x2b0 [ 48.877078][ T537] ? vsnprintf+0x1a6c/0x1b30 [ 48.881639][ T537] kernfs_new_node+0x97/0x170 [ 48.887080][ T537] __kernfs_create_file+0x4a/0x270 [ 48.892361][ T537] cgroup_addrm_files+0x99e/0xeb0 [ 48.897389][ T537] ? delete_node+0x747/0x7a0 [ 48.902076][ T537] css_populate_dir+0x137/0x370 [ 48.907018][ T537] cgroup_apply_control_enable+0x31e/0xfc0 [ 48.912830][ T537] cgroup_apply_control+0x36/0x710 [ 48.918031][ T537] ? init_wait_entry+0xe0/0xe0 [ 48.922779][ T537] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.928055][ T537] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.934026][ T537] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.939991][ T537] cgroup_file_write+0x22f/0x4f0 [ 48.944919][ T537] kernfs_fop_write_iter+0x2cd/0x410 [ 48.950262][ T537] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.955395][ T537] vfs_write+0xb57/0xe50 [ 48.959826][ T537] ksys_write+0x157/0x260 [ 48.964141][ T537] __x64_sys_write+0x7b/0x90 [ 48.969759][ T537] do_syscall_64+0x34/0x70 [ 48.974173][ T537] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.980146][ T537] RIP: 0033:0x7fdacc0480e9 [ 48.984556][ T537] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.004239][ T537] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.012681][ T537] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 49.020730][ T537] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.028695][ T537] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.036664][ T537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.044702][ T537] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 49.053106][ T537] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.060237][ T537] !!! cgroup_apply_control_disable [ 49.065455][ T537] !!! cgroup_apply_control_disable kill_css ffff88810d0bc400 [ 49.072950][ T537] !!! cgroup_apply_control_disable kill_css ffff88810eea5c00 [ 49.080547][ T537] !!! cgroup_apply_control_disable kill_css ffff88810ed7c400 [ 49.091326][ T407] ------------[ cut here ]------------ [ 49.096888][ T407] WARNING: CPU: 1 PID: 407 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 49.105843][ T407] Modules linked in: [ 49.109756][ T407] CPU: 1 PID: 407 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 49.121328][ T407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.131727][ T407] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 49.137651][ T407] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 49.158363][ T407] RSP: 0018:ffffc90000ce7d58 EFLAGS: 00010293 [ 49.164890][ T407] RAX: ffffffff81af043c RBX: ffff88810e843ee0 RCX: ffff888105229e80 [ 49.172887][ T407] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 49.180844][ T407] RBP: ffffc90000ce7dc8 R08: ffffffff81af0167 R09: fffff5200019cfa3 [ 49.188858][ T407] R10: fffff5200019cfa3 R11: 1ffff9200019cfa2 R12: dffffc0000000000 [ 49.197123][ T407] R13: ffff88810e843e00 R14: 00000000ffffffff R15: 0000000000000000 [ 49.205226][ T407] FS: 0000555556931400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 49.214184][ T407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.220761][ T407] CR2: 000055555693ab38 CR3: 0000000116555000 CR4: 00000000003506a0 [ 49.228869][ T407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.236974][ T407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.245069][ T407] Call Trace: [ 49.248387][ T407] ? init_wait_entry+0xe0/0xe0 [ 49.253188][ T407] ? up_write+0x68/0x140 [ 49.257450][ T407] namespace_unlock+0x377/0x420 [ 49.262295][ T407] path_umount+0xe23/0xed0 [ 49.266858][ T407] __x64_sys_umount+0xe8/0x110 [ 49.271642][ T407] do_syscall_64+0x34/0x70 [ 49.276105][ T407] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.282001][ T407] RIP: 0033:0x7fdacc049557 [ 49.286447][ T407] 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 [ 49.306153][ T407] RSP: 002b:00007fff1d5ce158 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 49.314665][ T407] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdacc049557 [ 49.322642][ T407] RDX: 00007fff1d5ce229 RSI: 000000000000000a RDI: 00007fff1d5ce220 [ 49.330730][ T407] RBP: 00007fff1d5ce220 R08: 00000000ffffffff R09: 00007fff1d5cdff0 [ 49.338733][ T407] R10: 0000555556932ba3 R11: 0000000000000246 R12: 00007fdacc0a11f8 [ 49.346716][ T407] R13: 00007fff1d5cf2e0 R14: 0000555556932b00 R15: 00007fff1d5cf320 [ 49.354705][ T407] ---[ end trace 518ce58d12f1851d ]--- [ 49.360281][ T407] ------------[ cut here ]------------ [ 49.365880][ T407] WARNING: CPU: 1 PID: 407 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 49.372853][ C0] !!! css_killed_ref_fn css ffff88810d0bc400 !!! [ 49.374823][ T407] Modules linked in: [ 49.381173][ C0] !!! css_killed_ref_fn css ffff88810eea5c00 !!! [ 49.385245][ T407] CPU: 1 PID: 407 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 49.391639][ T79] !!! css_release css ffff88810d0bc400 !!! [ 49.403347][ T407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.409089][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810d0bc400 !!! [ 49.419253][ T407] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 49.426716][ T79] !!! css_release css ffff88810eea5c00 !!! [ 49.432329][ T407] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 49.438126][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810eea5c00 !!! [ 49.465305][ T407] RSP: 0018:ffffc90000ce7dd0 EFLAGS: 00010293 [ 49.471426][ T407] RAX: ffffffff81af043c RBX: ffff88810e843ee0 RCX: ffff888105229e80 [ 49.479430][ T407] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 49.487631][ T407] RBP: ffffc90000ce7e40 R08: ffffffff81af0167 R09: fffff5200019cfb2 [ 49.495703][ T407] R10: fffff5200019cfb2 R11: 1ffff9200019cfb1 R12: dffffc0000000000 [ 49.504153][ T407] R13: ffff88810e843e00 R14: 00000000fffffffd R15: 0000000000000000 [ 49.512675][ T407] FS: 0000555556931400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 49.521633][ T407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.528280][ T407] CR2: 000055555693ab38 CR3: 0000000116555000 CR4: 00000000003506a0 [ 49.536582][ T407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.544817][ T407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.553183][ T407] Call Trace: [ 49.556505][ T407] path_umount+0x1ad/0xed0 [ 49.560914][ T407] __x64_sys_umount+0xe8/0x110 [ 49.565867][ T407] do_syscall_64+0x34/0x70 [ 49.570316][ T407] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.576389][ T407] RIP: 0033:0x7fdacc049557 [ 49.580967][ T407] 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 [ 49.600812][ T407] RSP: 002b:00007fff1d5ce158 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 49.609368][ T407] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdacc049557 [ 49.617405][ T407] RDX: 00007fff1d5ce229 RSI: 000000000000000a RDI: 00007fff1d5ce220 [ 49.625390][ T407] RBP: 00007fff1d5ce220 R08: 00000000ffffffff R09: 00007fff1d5cdff0 [ 49.633387][ T407] R10: 0000555556932ba3 R11: 0000000000000246 R12: 00007fdacc0a11f8 [ 49.641448][ T407] R13: 00007fff1d5cf2e0 R14: 0000555556932b00 R15: 00007fff1d5cf320 [ 49.649715][ T407] ---[ end trace 518ce58d12f1851e ]--- [ 49.672863][ C0] !!! css_killed_ref_fn css ffff88810ed7c400 !!! [ 49.680265][ T514] !!! css_create !!! [ 49.684970][ T514] !!! css_create !!! [ 49.689141][ T514] !!! css_create !!! [ 49.693539][ T514] FAULT_INJECTION: forcing a failure. [ 49.693539][ T514] name failslab, interval 1, probability 0, space 0, times 0 [ 49.707043][ T514] CPU: 1 PID: 514 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 49.718912][ T514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.730069][ T514] Call Trace: [ 49.733363][ T514] dump_stack+0x19c/0x1e2 [ 49.737704][ T514] should_fail+0x3f7/0x5b0 [ 49.742130][ T514] __should_failslab+0xd2/0x130 [ 49.747158][ T514] should_failslab+0x9/0x20 [ 49.751653][ T514] slab_pre_alloc_hook+0x25/0xe0 [ 49.756668][ T514] kmem_cache_alloc_trace+0x47/0x2b0 [ 49.761950][ T514] ? percpu_ref_init+0xd0/0x330 [ 49.766932][ T514] percpu_ref_init+0xd0/0x330 [ 49.771600][ T514] ? cgroup_setup_root+0x8a0/0x8a0 [ 49.777226][ T514] cgroup_apply_control_enable+0x49f/0xfc0 [ 49.783029][ T514] cgroup_apply_control+0x36/0x710 [ 49.788127][ T514] ? init_wait_entry+0xe0/0xe0 [ 49.793060][ T514] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.798392][ T514] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.804389][ T514] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.810465][ T514] cgroup_file_write+0x22f/0x4f0 [ 49.815602][ T514] kernfs_fop_write_iter+0x2cd/0x410 [ 49.821014][ T514] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.826220][ T514] vfs_write+0xb57/0xe50 [ 49.830500][ T514] ksys_write+0x157/0x260 [ 49.834825][ T514] __x64_sys_write+0x7b/0x90 [ 49.839514][ T514] do_syscall_64+0x34/0x70 [ 49.844282][ T514] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.850164][ T514] RIP: 0033:0x7f31ebfba0e9 [ 49.854568][ T514] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.874252][ T514] RSP: 002b:00007f31ebf0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.882653][ T514] RAX: ffffffffffffffda RBX: 00007f31ec0cd030 RCX: 00007f31ebfba0e9 [ 49.890713][ T514] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.898764][ T514] RBP: 00007f31ebf0f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.906722][ T514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.914786][ T514] R13: 00007ffc28ee6d4f R14: 00007f31ebf0f300 R15: 0000000000022000 [ 49.923356][ T514] !!! cgroup_apply_control_disable [ 49.928524][ T514] !!! cgroup_apply_control_disable kill_css ffff88810ee06800 [ 49.936187][ T514] !!! cgroup_apply_control_disable kill_css ffff88810ec37c00 [ 49.962864][ C1] !!! css_killed_ref_fn css ffff88810ee06800 !!! [ 49.969318][ T373] !!! css_release css ffff88810ee06800 !!! [ 49.975604][ T373] !!! css_put is zero set CSS_NO_REF css ffff88810ee06800 !!! [ 49.982892][ C0] !!! css_killed_ref_fn css ffff88810ec37c00 !!! [ 49.989492][ T79] !!! css_release css ffff88810ec37c00 !!! [ 49.995637][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810ec37c00 !!! [ 50.003752][ T516] !!! css_create !!! [ 50.007803][ T516] !!! css_create !!! [ 50.011725][ T516] !!! css_create !!! [ 50.015764][ T516] FAULT_INJECTION: forcing a failure. [ 50.015764][ T516] name failslab, interval 1, probability 0, space 0, times 0 [ 50.028633][ T516] CPU: 0 PID: 516 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 50.041693][ T516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.052164][ T516] Call Trace: [ 50.055448][ T516] dump_stack+0x19c/0x1e2 [ 50.059783][ T516] should_fail+0x3f7/0x5b0 [ 50.064322][ T516] __should_failslab+0xd2/0x130 [ 50.069481][ T516] should_failslab+0x9/0x20 [ 50.073994][ T516] slab_pre_alloc_hook+0x25/0xe0 [ 50.079120][ T516] kmem_cache_alloc_trace+0x47/0x2b0 [ 50.084611][ T516] ? percpu_ref_init+0xd0/0x330 [ 50.089461][ T516] percpu_ref_init+0xd0/0x330 [ 50.094139][ T516] ? cgroup_setup_root+0x8a0/0x8a0 [ 50.099574][ T516] cgroup_apply_control_enable+0x49f/0xfc0 [ 50.105401][ T516] cgroup_apply_control+0x36/0x710 [ 50.110505][ T516] ? init_wait_entry+0xe0/0xe0 [ 50.115470][ T516] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.120769][ T516] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.126871][ T516] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.132846][ T516] cgroup_file_write+0x22f/0x4f0 [ 50.138120][ T516] kernfs_fop_write_iter+0x2cd/0x410 [ 50.144008][ T516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.149120][ T516] vfs_write+0xb57/0xe50 [ 50.153433][ T516] ksys_write+0x157/0x260 [ 50.157746][ T516] __x64_sys_write+0x7b/0x90 [ 50.162570][ T516] do_syscall_64+0x34/0x70 [ 50.166968][ T516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.172844][ T516] RIP: 0033:0x7fa0a09b40e9 [ 50.177243][ T516] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.196827][ T516] RSP: 002b:00007fa0a092a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.205219][ T516] RAX: ffffffffffffffda RBX: 00007fa0a0ac6f60 RCX: 00007fa0a09b40e9 [ 50.213201][ T516] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.221710][ T516] RBP: 00007fa0a092a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.229713][ T516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.237691][ T516] R13: 00007fffa3e9e33f R14: 00007fa0a092a300 R15: 0000000000022000 [ 50.245834][ T516] !!! cgroup_apply_control_disable [ 50.251039][ T516] !!! cgroup_apply_control_disable kill_css ffff88810efb3000 [ 50.258588][ T516] !!! cgroup_apply_control_disable kill_css ffff88810efb1000 [ 50.292876][ C1] !!! css_killed_ref_fn css ffff88810efb3000 !!! [ 50.299294][ C1] !!! css_killed_ref_fn css ffff88810efb1000 !!! [ 50.306029][ T373] !!! css_release css ffff88810efb3000 !!! [ 50.311838][ T373] !!! css_put is zero set CSS_NO_REF css ffff88810efb3000 !!! [ 50.319447][ T373] !!! css_release css ffff88810efb1000 !!! [ 50.325869][ T373] !!! css_put is zero set CSS_NO_REF css ffff88810efb1000 !!! [ 50.333716][ T543] !!! css_create !!! [ 50.337854][ T543] !!! css_create !!! [ 50.342028][ T543] !!! css_create !!! [ 50.346675][ T543] FAULT_INJECTION: forcing a failure. [ 50.346675][ T543] name failslab, interval 1, probability 0, space 0, times 0 [ 50.359883][ T543] CPU: 1 PID: 543 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 50.371896][ T543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.382136][ T543] Call Trace: [ 50.385529][ T543] dump_stack+0x19c/0x1e2 [ 50.389866][ T543] should_fail+0x3f7/0x5b0 [ 50.394570][ T543] __should_failslab+0xd2/0x130 [ 50.399752][ T543] should_failslab+0x9/0x20 [ 50.404273][ T543] slab_pre_alloc_hook+0x25/0xe0 [ 50.409294][ T543] ? __kernfs_new_node+0x4c/0x6d0 [ 50.414423][ T543] __kmalloc_track_caller+0x70/0x300 [ 50.419805][ T543] ? __kernfs_new_node+0x4c/0x6d0 [ 50.424924][ T543] kstrdup_const+0x55/0x90 [ 50.429350][ T543] __kernfs_new_node+0x4c/0x6d0 [ 50.434237][ T543] ? string+0x29f/0x2b0 [ 50.438408][ T543] ? vsnprintf+0x1a6c/0x1b30 [ 50.443005][ T543] kernfs_new_node+0x97/0x170 [ 50.447746][ T543] __kernfs_create_file+0x4a/0x270 [ 50.453161][ T543] cgroup_addrm_files+0x99e/0xeb0 [ 50.458314][ T543] ? delete_node+0x747/0x7a0 [ 50.462918][ T543] css_populate_dir+0x137/0x370 [ 50.468272][ T543] cgroup_apply_control_enable+0x31e/0xfc0 [ 50.474122][ T543] cgroup_apply_control+0x36/0x710 [ 50.479265][ T543] ? init_wait_entry+0xe0/0xe0 [ 50.484025][ T543] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.489339][ T543] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.495304][ T543] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.501454][ T543] cgroup_file_write+0x22f/0x4f0 [ 50.506389][ T543] kernfs_fop_write_iter+0x2cd/0x410 [ 50.511663][ T543] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.516861][ T543] vfs_write+0xb57/0xe50 [ 50.521195][ T543] ksys_write+0x157/0x260 [ 50.525602][ T543] __x64_sys_write+0x7b/0x90 [ 50.530190][ T543] do_syscall_64+0x34/0x70 [ 50.534594][ T543] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.540503][ T543] RIP: 0033:0x7f31ebfba0e9 [ 50.545004][ 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 [ 50.565238][ T543] RSP: 002b:00007f31ebf0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.573725][ T543] RAX: ffffffffffffffda RBX: 00007f31ec0cd030 RCX: 00007f31ebfba0e9 [ 50.581779][ T543] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.589731][ T543] RBP: 00007f31ebf0f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.597794][ T543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.605757][ T543] R13: 00007ffc28ee6d4f R14: 00007f31ebf0f300 R15: 0000000000022000 [ 50.613789][ T543] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.620827][ T543] !!! cgroup_apply_control_disable [ 50.625970][ T543] !!! cgroup_apply_control_disable kill_css ffff88810f2ac800 [ 50.633567][ T543] !!! cgroup_apply_control_disable kill_css ffff88810f2ad000 [ 50.640953][ T543] !!! cgroup_apply_control_disable kill_css ffff88810f207400 [ 50.672861][ C1] !!! css_killed_ref_fn css ffff88810f2ac800 !!! [ 50.679317][ C1] !!! css_killed_ref_fn css ffff88810f2ad000 !!! [ 50.685705][ C1] !!! css_killed_ref_fn css ffff88810f207400 !!! [ 50.692120][ T445] !!! css_release css ffff88810f2ac800 !!! [ 50.698333][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810f2ac800 !!! [ 50.706115][ T445] !!! css_release css ffff88810f2ad000 !!! [ 50.711948][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810f2ad000 !!! [ 50.720060][ T445] !!! css_release css ffff88810f207400 !!! [ 50.726146][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810f207400 !!! [ 50.733998][ T540] !!! css_create !!! [ 50.738158][ T540] !!! css_create !!! [ 50.742481][ T540] !!! css_create !!! [ 50.746517][ T540] FAULT_INJECTION: forcing a failure. [ 50.746517][ T540] name failslab, interval 1, probability 0, space 0, times 0 [ 50.760015][ T540] CPU: 0 PID: 540 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 50.771626][ T540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.781680][ T540] Call Trace: [ 50.784953][ T540] dump_stack+0x19c/0x1e2 [ 50.789270][ T540] should_fail+0x3f7/0x5b0 [ 50.793700][ T540] __should_failslab+0xd2/0x130 [ 50.798652][ T540] should_failslab+0x9/0x20 [ 50.803154][ T540] slab_pre_alloc_hook+0x25/0xe0 [ 50.808083][ T540] ? __kernfs_new_node+0x4c/0x6d0 [ 50.813274][ T540] __kmalloc_track_caller+0x70/0x300 [ 50.818543][ T540] ? __kernfs_new_node+0x4c/0x6d0 [ 50.824080][ T540] kstrdup_const+0x55/0x90 [ 50.828568][ T540] __kernfs_new_node+0x4c/0x6d0 [ 50.833610][ T540] ? string+0x29f/0x2b0 [ 50.838194][ T540] ? vsnprintf+0x1a6c/0x1b30 [ 50.844351][ T540] kernfs_new_node+0x97/0x170 [ 50.849241][ T540] __kernfs_create_file+0x4a/0x270 [ 50.854344][ T540] cgroup_addrm_files+0x99e/0xeb0 [ 50.859547][ T540] ? delete_node+0x747/0x7a0 [ 50.864234][ T540] css_populate_dir+0x137/0x370 [ 50.869083][ T540] cgroup_apply_control_enable+0x31e/0xfc0 [ 50.874879][ T540] cgroup_apply_control+0x36/0x710 [ 50.880343][ T540] ? init_wait_entry+0xe0/0xe0 [ 50.885102][ T540] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.890475][ T540] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.896445][ T540] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.902584][ T540] cgroup_file_write+0x22f/0x4f0 [ 50.907504][ T540] kernfs_fop_write_iter+0x2cd/0x410 [ 50.912768][ T540] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.917863][ T540] vfs_write+0xb57/0xe50 [ 50.922097][ T540] ksys_write+0x157/0x260 [ 50.926772][ T540] __x64_sys_write+0x7b/0x90 [ 50.931460][ T540] do_syscall_64+0x34/0x70 [ 50.936676][ T540] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.942548][ T540] RIP: 0033:0x7fdacc0480e9 [ 50.946942][ 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 [ 50.966715][ T540] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.975295][ T540] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 50.983693][ T540] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.991737][ T540] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.999698][ T540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.007769][ T540] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 51.016799][ T540] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.023940][ T540] !!! cgroup_apply_control_disable [ 51.029063][ T540] !!! cgroup_apply_control_disable kill_css ffff88810f4c4c00 [ 51.036697][ T540] !!! cgroup_apply_control_disable kill_css ffff88810f4c4400 [ 51.044871][ T540] !!! cgroup_apply_control_disable kill_css ffff88810f4c7c00 [ 51.072921][ C0] !!! css_killed_ref_fn css ffff88810f4c4c00 !!! [ 51.079341][ C0] !!! css_killed_ref_fn css ffff88810f4c4400 !!! [ 51.085702][ C0] !!! css_killed_ref_fn css ffff88810f4c7c00 !!! [ 51.092244][ T79] !!! css_release css ffff88810f4c4c00 !!! [ 51.098259][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810f4c4c00 !!! [ 51.106492][ T79] !!! css_release css ffff88810f4c4400 !!! [ 51.112707][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810f4c4400 !!! [ 51.120520][ T79] !!! css_release css ffff88810f4c7c00 !!! [ 51.126629][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810f4c7c00 !!! [ 51.134534][ T531] !!! css_create !!! [ 51.138851][ T531] !!! css_create !!! [ 51.143278][ T531] !!! css_create !!! [ 51.147236][ T531] FAULT_INJECTION: forcing a failure. [ 51.147236][ T531] name failslab, interval 1, probability 0, space 0, times 0 [ 51.160064][ T531] CPU: 0 PID: 531 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 51.171903][ T531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.182973][ T531] Call Trace: [ 51.186291][ T531] dump_stack+0x19c/0x1e2 [ 51.190889][ T531] should_fail+0x3f7/0x5b0 [ 51.195561][ T531] __should_failslab+0xd2/0x130 [ 51.200390][ T531] should_failslab+0x9/0x20 [ 51.205489][ T531] slab_pre_alloc_hook+0x25/0xe0 [ 51.210672][ T531] ? __kernfs_new_node+0x4c/0x6d0 [ 51.215670][ T531] __kmalloc_track_caller+0x70/0x300 [ 51.220926][ T531] ? __kernfs_new_node+0x4c/0x6d0 [ 51.226179][ T531] kstrdup_const+0x55/0x90 [ 51.230567][ T531] __kernfs_new_node+0x4c/0x6d0 [ 51.235416][ T531] ? string+0x29f/0x2b0 [ 51.239544][ T531] ? vsnprintf+0x1a6c/0x1b30 [ 51.244106][ T531] kernfs_new_node+0x97/0x170 [ 51.248766][ T531] __kernfs_create_file+0x4a/0x270 [ 51.253871][ T531] cgroup_addrm_files+0x99e/0xeb0 [ 51.258881][ T531] ? delete_node+0x747/0x7a0 [ 51.263546][ T531] css_populate_dir+0x137/0x370 [ 51.268418][ T531] cgroup_apply_control_enable+0x31e/0xfc0 [ 51.274309][ T531] cgroup_apply_control+0x36/0x710 [ 51.279503][ T531] ? init_wait_entry+0xe0/0xe0 [ 51.284368][ T531] ? cgroup_kn_lock_live+0x1af/0x370 [ 51.289632][ T531] cgroup_subtree_control_write+0xd05/0x12d0 [ 51.295587][ T531] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 51.302059][ T531] cgroup_file_write+0x22f/0x4f0 [ 51.306992][ T531] kernfs_fop_write_iter+0x2cd/0x410 [ 51.312368][ T531] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.317593][ T531] vfs_write+0xb57/0xe50 [ 51.322000][ T531] ksys_write+0x157/0x260 [ 51.326314][ T531] __x64_sys_write+0x7b/0x90 [ 51.331012][ T531] do_syscall_64+0x34/0x70 [ 51.335616][ T531] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.341682][ T531] RIP: 0033:0x7f056852e0e9 [ 51.346102][ T531] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.367766][ T531] RSP: 002b:00007f0568483168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.376206][ T531] RAX: ffffffffffffffda RBX: 00007f0568641030 RCX: 00007f056852e0e9 [ 51.384546][ T531] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.392499][ T531] RBP: 00007f05684831d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.400451][ T531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.408430][ T531] R13: 00007ffd2eb533ef R14: 00007f0568483300 R15: 0000000000022000 [ 51.416750][ T531] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.423966][ T531] !!! cgroup_apply_control_disable [ 51.429190][ T531] !!! cgroup_apply_control_disable kill_css ffff88810f479400 [ 51.436667][ T531] !!! cgroup_apply_control_disable kill_css ffff88810efa6800 [ 51.444180][ T531] !!! cgroup_apply_control_disable kill_css ffff88810efa4000 [ 51.453636][ T417] ------------[ cut here ]------------ [ 51.459117][ T417] WARNING: CPU: 0 PID: 417 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 51.468079][ C0] !!! css_killed_ref_fn css ffff88810f479400 !!! [ 51.474429][ T417] Modules linked in: [ 51.478315][ T417] CPU: 0 PID: 417 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 51.490191][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.500336][ T417] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 51.505990][ T417] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 51.526048][ T417] RSP: 0018:ffffc90000f37dd0 EFLAGS: 00010293 [ 51.532737][ T417] RAX: ffffffff81af043c RBX: ffff88810dcc5460 RCX: ffff888108ba6ac0 [ 51.541405][ T417] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 51.549435][ T417] RBP: ffffc90000f37e40 R08: ffffffff81af0167 R09: fffff520001e6fb2 [ 51.557584][ T417] R10: fffff520001e6fb2 R11: 1ffff920001e6fb1 R12: dffffc0000000000 [ 51.565596][ T417] R13: ffff88810dcc5380 R14: 00000000ffffffff R15: 0000000000000000 [ 51.573647][ T417] FS: 00005555569dc400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 51.582686][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.589940][ T417] CR2: 00007ffd2eb51e08 CR3: 0000000108af6000 CR4: 00000000003506b0 [ 51.597951][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.606759][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.614828][ T417] Call Trace: [ 51.618213][ T417] path_umount+0x1ad/0xed0 [ 51.622639][ T417] __x64_sys_umount+0xe8/0x110 [ 51.627478][ T417] do_syscall_64+0x34/0x70 [ 51.631994][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.638032][ T417] RIP: 0033:0x7f056852f557 [ 51.642470][ T417] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.662204][ T417] RSP: 002b:00007ffd2eb52548 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 51.670657][ T417] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f056852f557 [ 51.678647][ T417] RDX: 00007ffd2eb52619 RSI: 000000000000000a RDI: 00007ffd2eb52610 [ 51.686651][ T417] RBP: 00007ffd2eb52610 R08: 00000000ffffffff R09: 00007ffd2eb523e0 [ 51.694636][ T417] R10: 00005555569ddba3 R11: 0000000000000246 R12: 00007f05685871f8 [ 51.702776][ T417] R13: 00007ffd2eb536d0 R14: 00005555569ddb00 R15: 00007ffd2eb53710 [ 51.710803][ T417] ---[ end trace 518ce58d12f1851f ]--- [ 51.716335][ T79] !!! css_release css ffff88810f479400 !!! [ 51.717190][ T417] ------------[ cut here ]------------ [ 51.722142][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810f479400 !!! [ 51.723452][ C0] !!! css_killed_ref_fn css ffff88810efa6800 !!! [ 51.727920][ T417] WARNING: CPU: 1 PID: 417 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 51.739991][ C0] !!! css_killed_ref_fn css ffff88810efa4000 !!! [ 51.746356][ T417] Modules linked in: [ 51.754878][ T79] !!! css_release css ffff88810efa6800 !!! [ 51.761444][ T417] [ 51.765385][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810efa6800 !!! [ 51.772477][ T417] CPU: 1 PID: 417 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 51.773676][ T377] !!! css_release css ffff88810efa4000 !!! [ 51.781394][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.792973][ T377] !!! css_put is zero set CSS_NO_REF css ffff88810efa4000 !!! [ 51.798702][ T417] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 51.809081][ T549] !!! css_create !!! [ 51.816129][ T417] Code: c9 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 6e 01 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 5b 01 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 ea 1f 86 80 e1 07 80 c1 03 38 c1 [ 51.821558][ T549] !!! css_create !!! [ 51.825380][ T417] RSP: 0018:ffffc90000f37e30 EFLAGS: 00010293 [ 51.845595][ T549] !!! css_create !!! [ 51.849454][ T417] [ 51.855837][ T549] FAULT_INJECTION: forcing a failure. [ 51.855837][ T549] name failslab, interval 1, probability 0, space 0, times 0 [ 51.859980][ T417] RAX: ffffffff81b00f05 RBX: ffffe8ffffd4b01c RCX: ffff888108ba6ac0 [ 51.862504][ T549] CPU: 0 PID: 549 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 51.875661][ T417] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 51.883850][ T549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.883857][ T549] Call Trace: [ 51.883882][ T549] dump_stack+0x19c/0x1e2 [ 51.883894][ T549] should_fail+0x3f7/0x5b0 [ 51.883904][ T549] __should_failslab+0xd2/0x130 [ 51.883913][ T549] should_failslab+0x9/0x20 [ 51.883936][ T549] slab_pre_alloc_hook+0x25/0xe0 [ 51.895723][ T417] RBP: ffffc90000f37e80 R08: ffffffff81b00be3 R09: fffff520001e6fcd [ 51.903727][ T549] kmem_cache_alloc_trace+0x47/0x2b0 [ 51.903741][ T549] ? percpu_ref_init+0xd0/0x330 [ 51.903750][ T549] percpu_ref_init+0xd0/0x330 [ 51.903759][ T549] ? cgroup_setup_root+0x8a0/0x8a0 [ 51.903769][ T549] cgroup_apply_control_enable+0x49f/0xfc0 [ 51.903795][ T549] cgroup_apply_control+0x36/0x710 [ 51.914016][ T417] R10: fffff520001e6fcd R11: 1ffff920001e6fcc R12: ffff88810dcc53c8 [ 51.917199][ T549] ? init_wait_entry+0xe0/0xe0 [ 51.917210][ T549] ? cgroup_kn_lock_live+0x1af/0x370 [ 51.917229][ T549] cgroup_subtree_control_write+0xd05/0x12d0 [ 51.921551][ T417] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 51.926160][ T549] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 51.926170][ T549] cgroup_file_write+0x22f/0x4f0 [ 51.926187][ T549] kernfs_fop_write_iter+0x2cd/0x410 [ 51.931162][ T417] FS: 00005555569dc400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 51.935632][ T549] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.935644][ T549] vfs_write+0xb57/0xe50 [ 51.935659][ T549] ksys_write+0x157/0x260 [ 51.940695][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.948624][ T549] __x64_sys_write+0x7b/0x90 [ 51.948635][ T549] do_syscall_64+0x34/0x70 [ 51.948653][ T549] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.954039][ T417] CR2: 0000555555d1a3b8 CR3: 0000000108af6000 CR4: 00000000003506a0 [ 51.958830][ T549] RIP: 0033:0x7f31ebfba0e9 [ 51.958849][ 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 [ 51.963565][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.968711][ T549] RSP: 002b:00007f31ebf0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.968726][ T549] RAX: ffffffffffffffda RBX: 00007f31ec0cd030 RCX: 00007f31ebfba0e9 [ 51.968740][ T549] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.974555][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.979680][ T549] RBP: 00007f31ebf0f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.979686][ T549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.979699][ T549] R13: 00007ffc28ee6d4f R14: 00007f31ebf0f300 R15: 0000000000022000 [ 51.987686][ T417] Call Trace: [ 51.994884][ T549] !!! cgroup_apply_control_disable [ 51.997976][ T417] __cleanup_mnt+0x19/0x20 [ 52.003983][ T549] !!! cgroup_apply_control_disable kill_css ffff88810f1a2800 [ 52.011920][ T417] task_work_run+0x147/0x1b0 [ 52.018234][ T549] !!! cgroup_apply_control_disable kill_css ffff88810f42ec00 [ 52.023135][ T417] exit_to_user_mode_loop+0xc8/0xe0 [ 52.042843][ C0] !!! css_killed_ref_fn css ffff88810f1a2800 !!! [ 52.046847][ T417] syscall_exit_to_user_mode+0x77/0xa0 [ 52.051184][ T377] !!! css_release css ffff88810f1a2800 !!! [ 52.057725][ T417] do_syscall_64+0x40/0x70 [ 52.057745][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.062616][ T377] !!! css_put is zero set CSS_NO_REF css ffff88810f1a2800 !!! [ 52.066708][ T417] RIP: 0033:0x7f056852f557 [ 52.066719][ T417] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.066725][ C0] !!! css_killed_ref_fn css ffff88810f42ec00 !!! [ 52.066731][ T417] RSP: 002b:00007ffd2eb52548 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 52.066743][ T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f056852f557 [ 52.066750][ T417] RDX: 00007ffd2eb52619 RSI: 000000000000000a RDI: 00007ffd2eb52610 [ 52.066756][ T417] RBP: 00007ffd2eb52610 R08: 00000000ffffffff R09: 00007ffd2eb523e0 [ 52.066763][ T417] R10: 00005555569ddba3 R11: 0000000000000246 R12: 00007f05685871f8 [ 52.066770][ T417] R13: 00007ffd2eb536d0 R14: 00005555569ddb00 R15: 00007ffd2eb53710 [ 52.066777][ T417] ---[ end trace 518ce58d12f18520 ]--- [ 52.086634][ T412] ------------[ cut here ]------------ [ 52.105475][ T377] !!! css_release css ffff88810f42ec00 !!! [ 52.113302][ T412] WARNING: CPU: 1 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 52.121778][ T377] !!! css_put is zero set CSS_NO_REF css ffff88810f42ec00 !!! [ 52.129710][ T412] Modules linked in: [ 52.129728][ T412] CPU: 1 PID: 412 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 52.129742][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.383010][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 52.389872][ T412] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 52.409675][ T412] RSP: 0018:ffffc90000ee7d58 EFLAGS: 00010293 [ 52.415886][ T412] RAX: ffffffff81af043c RBX: ffff88810dcc43e0 RCX: ffff888108ba0f40 [ 52.423853][ T412] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 52.431995][ T412] RBP: ffffc90000ee7dc8 R08: ffffffff81af0167 R09: fffff520001dcfa3 [ 52.440270][ T412] R10: fffff520001dcfa3 R11: 1ffff920001dcfa2 R12: dffffc0000000000 [ 52.448284][ T412] R13: ffff88810dcc4300 R14: 00000000ffffffff R15: 0000000000000000 [ 52.456431][ T412] FS: 0000555557155400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 52.465465][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.472294][ T412] CR2: 00007f0568642090 CR3: 0000000114599000 CR4: 00000000003506a0 [ 52.480531][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.488696][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.497030][ T412] Call Trace: [ 52.500300][ T412] ? init_wait_entry+0xe0/0xe0 [ 52.505070][ T412] ? up_write+0x68/0x140 [ 52.509458][ T412] namespace_unlock+0x377/0x420 [ 52.514318][ T412] path_umount+0xe23/0xed0 [ 52.518713][ T412] __x64_sys_umount+0xe8/0x110 [ 52.523752][ T412] do_syscall_64+0x34/0x70 [ 52.528272][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.534163][ T412] RIP: 0033:0x7f31ebfbb557 [ 52.538678][ T412] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.558276][ T412] RSP: 002b:00007ffc28ee5ea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 52.566672][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f31ebfbb557 [ 52.575087][ T412] RDX: 00007ffc28ee5f79 RSI: 000000000000000a RDI: 00007ffc28ee5f70 [ 52.583057][ T412] RBP: 00007ffc28ee5f70 R08: 00000000ffffffff R09: 00007ffc28ee5d40 [ 52.591026][ T412] R10: 0000555557156ba3 R11: 0000000000000246 R12: 00007f31ec0131f8 [ 52.599007][ T412] R13: 00007ffc28ee7030 R14: 0000555557156b00 R15: 00007ffc28ee7070 [ 52.607012][ T412] ---[ end trace 518ce58d12f18521 ]--- [ 52.613168][ T412] ------------[ cut here ]------------ [ 52.613402][ T546] !!! css_create !!! [ 52.618691][ T412] WARNING: CPU: 1 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 52.622608][ T546] !!! css_create !!! [ 52.631746][ T412] Modules linked in: [ 52.639459][ T412] CPU: 1 PID: 412 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 52.651659][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.661752][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 52.662983][ T546] !!! css_create !!! [ 52.667394][ T412] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 52.667409][ T412] RSP: 0018:ffffc90000ee7dd0 EFLAGS: 00010293 [ 52.682880][ T546] FAULT_INJECTION: forcing a failure. [ 52.682880][ T546] name failslab, interval 1, probability 0, space 0, times 0 [ 52.691060][ T412] [ 52.712457][ T412] RAX: ffffffff81af043c RBX: ffff88810dcc43e0 RCX: ffff888108ba0f40 [ 52.712884][ T546] CPU: 0 PID: 546 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 52.720430][ T412] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 52.731968][ T546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.731974][ T546] Call Trace: [ 52.732000][ T546] dump_stack+0x19c/0x1e2 [ 52.732013][ T546] should_fail+0x3f7/0x5b0 [ 52.732036][ T546] __should_failslab+0xd2/0x130 [ 52.740007][ T412] RBP: ffffc90000ee7e40 R08: ffffffff81af0167 R09: fffff520001dcfb2 [ 52.750026][ T546] should_failslab+0x9/0x20 [ 52.750036][ T546] slab_pre_alloc_hook+0x25/0xe0 [ 52.750053][ T546] kmem_cache_alloc_trace+0x47/0x2b0 [ 52.754651][ T412] R10: fffff520001dcfb2 R11: 1ffff920001dcfb1 R12: dffffc0000000000 [ 52.758965][ T546] ? percpu_ref_init+0xd0/0x330 [ 52.763353][ T412] R13: ffff88810dcc4300 R14: 00000000fffffffe R15: 0000000000000000 [ 52.768468][ T546] percpu_ref_init+0xd0/0x330 [ 52.777291][ T412] FS: 0000555557155400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 52.783884][ T546] ? cgroup_setup_root+0x8a0/0x8a0 [ 52.783908][ T546] cgroup_apply_control_enable+0x49f/0xfc0 [ 52.791102][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.791124][ T412] CR2: 00007f0568642090 CR3: 0000000114599000 CR4: 00000000003506a0 [ 52.798609][ T546] cgroup_apply_control+0x36/0x710 [ 52.798621][ T546] ? init_wait_entry+0xe0/0xe0 [ 52.798630][ T546] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.798641][ T546] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.798665][ T546] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.807081][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.811996][ T546] cgroup_file_write+0x22f/0x4f0 [ 52.819955][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.824692][ T546] kernfs_fop_write_iter+0x2cd/0x410 [ 52.824711][ T546] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.833620][ T412] Call Trace: [ 52.839032][ T546] vfs_write+0xb57/0xe50 [ 52.844872][ T412] path_umount+0x1ad/0xed0 [ 52.851389][ T546] ksys_write+0x157/0x260 [ 52.859538][ T412] __x64_sys_umount+0xe8/0x110 [ 52.864597][ T546] __x64_sys_write+0x7b/0x90 [ 52.864608][ T546] do_syscall_64+0x34/0x70 [ 52.864627][ T546] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.869367][ T412] do_syscall_64+0x34/0x70 [ 52.874702][ T546] RIP: 0033:0x7fa0a09b40e9 [ 52.874715][ T546] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.874728][ T546] RSP: 002b:00007fa0a0909168 EFLAGS: 00000246 [ 52.880773][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.886711][ T546] ORIG_RAX: 0000000000000001 [ 52.886720][ T546] RAX: ffffffffffffffda RBX: 00007fa0a0ac7030 RCX: 00007fa0a09b40e9 [ 52.886733][ T546] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.894690][ T412] RIP: 0033:0x7f31ebfbb557 [ 52.899587][ T546] RBP: 00007fa0a09091d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.907548][ T412] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.912880][ T546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.912887][ T546] R13: 00007fffa3e9e33f R14: 00007fa0a0909300 R15: 0000000000022000 [ 53.064132][ T412] RSP: 002b:00007ffc28ee5ea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 53.072627][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f31ebfbb557 [ 53.080683][ T412] RDX: 00007ffc28ee5f79 RSI: 000000000000000a RDI: 00007ffc28ee5f70 [ 53.088680][ T412] RBP: 00007ffc28ee5f70 R08: 00000000ffffffff R09: 00007ffc28ee5d40 [ 53.096693][ T412] R10: 0000555557156ba3 R11: 0000000000000246 R12: 00007f31ec0131f8 [ 53.104689][ T412] R13: 00007ffc28ee7030 R14: 0000555557156b00 R15: 00007ffc28ee7070 [ 53.112354][ T546] !!! cgroup_apply_control_disable [ 53.112669][ T412] ---[ end trace 518ce58d12f18522 ]--- 2022/05/31 19:00:26 executed programs: 42 [ 53.128398][ T546] !!! cgroup_apply_control_disable kill_css ffff88810f61ec00 [ 53.136042][ T546] !!! cgroup_apply_control_disable kill_css ffff88810ef62800 [ 53.145654][ T416] ------------[ cut here ]------------ [ 53.151209][ T416] WARNING: CPU: 0 PID: 416 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 53.160471][ T416] Modules linked in: [ 53.164419][ T416] CPU: 0 PID: 416 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 53.176083][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.186219][ T416] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 53.192012][ T416] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 53.211998][ T416] RSP: 0018:ffffc90000f27d58 EFLAGS: 00010293 [ 53.218101][ T416] RAX: ffffffff81af043c RBX: ffff88810e842560 RCX: ffff8881025f9e80 [ 53.226086][ T416] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 53.234442][ T416] RBP: ffffc90000f27dc8 R08: ffffffff81af0167 R09: fffff520001e4fa3 [ 53.242403][ T416] R10: fffff520001e4fa3 R11: 1ffff920001e4fa2 R12: dffffc0000000000 [ 53.250396][ T416] R13: ffff88810e842480 R14: 00000000fffffffd R15: 0000000000000000 [ 53.258474][ T416] FS: 00005555572da400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 53.267501][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.274273][ T416] CR2: 00007fffa3e9cd58 CR3: 0000000116a9f000 CR4: 00000000003506b0 [ 53.282406][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.290857][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.298950][ T416] Call Trace: [ 53.302258][ T416] ? init_wait_entry+0xe0/0xe0 [ 53.307040][ T416] ? up_write+0x68/0x140 [ 53.311391][ T416] namespace_unlock+0x377/0x420 [ 53.316528][ T416] path_umount+0xe23/0xed0 [ 53.321029][ T416] __x64_sys_umount+0xe8/0x110 [ 53.325942][ T416] do_syscall_64+0x34/0x70 [ 53.330380][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.336308][ T416] RIP: 0033:0x7fa0a09b5557 [ 53.340850][ T416] 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 [ 53.362188][ T416] RSP: 002b:00007fffa3e9d498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 53.370995][ T416] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa0a09b5557 [ 53.379395][ T416] RDX: 00007fffa3e9d569 RSI: 000000000000000a RDI: 00007fffa3e9d560 [ 53.387657][ T416] RBP: 00007fffa3e9d560 R08: 00000000ffffffff R09: 00007fffa3e9d330 [ 53.396086][ T416] R10: 00005555572dbba3 R11: 0000000000000246 R12: 00007fa0a0a0d1f8 [ 53.404512][ T416] R13: 00007fffa3e9e620 R14: 00005555572dbb00 R15: 00007fffa3e9e660 [ 53.413107][ T416] ---[ end trace 518ce58d12f18523 ]--- [ 53.419845][ C0] !!! css_killed_ref_fn css ffff88810f61ec00 !!! [ 53.420104][ T416] ------------[ cut here ]------------ [ 53.426260][ C1] !!! css_killed_ref_fn css ffff88810ef62800 !!! [ 53.426283][ T377] !!! css_release css ffff88810f61ec00 !!! [ 53.426290][ T377] !!! css_put is zero set CSS_NO_REF css ffff88810f61ec00 !!! [ 53.451467][ T416] WARNING: CPU: 1 PID: 416 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 53.460418][ T416] Modules linked in: [ 53.464352][ T416] CPU: 1 PID: 416 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 53.476009][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.486240][ T416] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 53.491879][ T416] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 53.511693][ T416] RSP: 0018:ffffc90000f27dd0 EFLAGS: 00010293 [ 53.517887][ T416] RAX: ffffffff81af043c RBX: ffff88810e842560 RCX: ffff8881025f9e80 [ 53.525883][ T416] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: 0000000000000000 [ 53.534017][ T416] RBP: ffffc90000f27e40 R08: ffffffff81af0167 R09: fffff520001e4fb2 [ 53.542084][ T416] R10: fffff520001e4fb2 R11: 1ffff920001e4fb1 R12: dffffc0000000000 [ 53.550381][ T416] R13: ffff88810e842480 R14: 00000000fffffffc R15: 0000000000000000 [ 53.558485][ T416] FS: 00005555572da400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 53.567897][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.574517][ T416] CR2: 00007f31ebf0eff8 CR3: 0000000116a9f000 CR4: 00000000003506a0 [ 53.582573][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.590684][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.599151][ T416] Call Trace: [ 53.602542][ T416] path_umount+0x1ad/0xed0 [ 53.607346][ T416] __x64_sys_umount+0xe8/0x110 [ 53.612144][ T416] do_syscall_64+0x34/0x70 [ 53.616633][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.622531][ T416] RIP: 0033:0x7fa0a09b5557 [ 53.627109][ T416] 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 [ 53.647483][ T416] RSP: 002b:00007fffa3e9d498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 53.656116][ T416] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa0a09b5557 [ 53.664130][ T416] RDX: 00007fffa3e9d569 RSI: 000000000000000a RDI: 00007fffa3e9d560 [ 53.672284][ T416] RBP: 00007fffa3e9d560 R08: 00000000ffffffff R09: 00007fffa3e9d330 [ 53.680622][ T416] R10: 00005555572dbba3 R11: 0000000000000246 R12: 00007fa0a0a0d1f8 [ 53.688723][ T416] R13: 00007fffa3e9e620 R14: 00005555572dbb00 R15: 00007fffa3e9e660 [ 53.696730][ T416] ---[ end trace 518ce58d12f18524 ]--- [ 53.702341][ T373] !!! css_release css ffff88810ef62800 !!! [ 53.712715][ T373] !!! css_put is zero set CSS_NO_REF css ffff88810ef62800 !!! [ 53.720536][ T528] !!! css_create !!! [ 53.724998][ T528] !!! css_create !!! [ 53.729007][ T528] !!! css_create !!! [ 53.733236][ T528] FAULT_INJECTION: forcing a failure. [ 53.733236][ T528] name failslab, interval 1, probability 0, space 0, times 0 [ 53.746410][ T528] CPU: 0 PID: 528 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 53.757936][ T528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.767987][ T528] Call Trace: [ 53.771272][ T528] dump_stack+0x19c/0x1e2 [ 53.775583][ T528] should_fail+0x3f7/0x5b0 [ 53.780078][ T528] __should_failslab+0xd2/0x130 [ 53.784905][ T528] should_failslab+0x9/0x20 [ 53.789563][ T528] slab_pre_alloc_hook+0x25/0xe0 [ 53.794478][ T528] ? __kernfs_new_node+0x4c/0x6d0 [ 53.799479][ T528] __kmalloc_track_caller+0x70/0x300 [ 53.804912][ T528] ? __kernfs_new_node+0x4c/0x6d0 [ 53.809936][ T528] kstrdup_const+0x55/0x90 [ 53.814325][ T528] __kernfs_new_node+0x4c/0x6d0 [ 53.819257][ T528] ? string+0x29f/0x2b0 [ 53.823389][ T528] ? vsnprintf+0x1a6c/0x1b30 [ 53.827961][ T528] kernfs_new_node+0x97/0x170 [ 53.832615][ T528] __kernfs_create_file+0x4a/0x270 [ 53.837802][ T528] cgroup_addrm_files+0x99e/0xeb0 [ 53.842809][ T528] ? delete_node+0x747/0x7a0 [ 53.847471][ T528] css_populate_dir+0x137/0x370 [ 53.852300][ T528] cgroup_apply_control_enable+0x31e/0xfc0 [ 53.858277][ T528] cgroup_apply_control+0x36/0x710 [ 53.863369][ T528] ? init_wait_entry+0xe0/0xe0 [ 53.868111][ T528] ? cgroup_kn_lock_live+0x1af/0x370 [ 53.873397][ T528] cgroup_subtree_control_write+0xd05/0x12d0 [ 53.879358][ T528] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 53.885319][ T528] cgroup_file_write+0x22f/0x4f0 [ 53.890241][ T528] kernfs_fop_write_iter+0x2cd/0x410 [ 53.895676][ T528] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.900761][ T528] vfs_write+0xb57/0xe50 [ 53.905011][ T528] ksys_write+0x157/0x260 [ 53.909335][ T528] __x64_sys_write+0x7b/0x90 [ 53.914259][ T528] do_syscall_64+0x34/0x70 [ 53.918654][ T528] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.924609][ T528] RIP: 0033:0x7f5ac10b50e9 [ 53.929124][ T528] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.949599][ T528] RSP: 002b:00007f5ac100a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.958265][ T528] RAX: ffffffffffffffda RBX: 00007f5ac11c8030 RCX: 00007f5ac10b50e9 [ 53.966315][ T528] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.974285][ T528] RBP: 00007f5ac100a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.982249][ T528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.990206][ T528] R13: 00007ffde09f36cf R14: 00007f5ac100a300 R15: 0000000000022000 [ 53.998760][ T528] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.006059][ T528] !!! cgroup_apply_control_disable [ 54.011177][ T528] !!! cgroup_apply_control_disable kill_css ffff88810f66a400 [ 54.018647][ T528] !!! cgroup_apply_control_disable kill_css ffff88810f66ac00 [ 54.026163][ T528] !!! cgroup_apply_control_disable kill_css ffff88810f669800 [ 54.035069][ T414] ------------[ cut here ]------------ [ 54.040560][ T414] WARNING: CPU: 1 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 54.050012][ T414] Modules linked in: [ 54.053941][ T414] CPU: 1 PID: 414 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 54.065583][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.076020][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 54.081636][ T414] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 54.102333][ T414] RSP: 0018:ffffc90000f07d58 EFLAGS: 00010293 [ 54.108442][ T414] RAX: ffffffff81af043c RBX: ffff88810e842fe0 RCX: ffff8881025fadc0 [ 54.116433][ T414] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 54.124439][ T414] RBP: ffffc90000f07dc8 R08: ffffffff81af0167 R09: fffff520001e0fa3 [ 54.132434][ T414] R10: fffff520001e0fa3 R11: 1ffff920001e0fa2 R12: dffffc0000000000 [ 54.140476][ T414] R13: ffff88810e842f00 R14: 00000000ffffffff R15: 0000000000000000 [ 54.148574][ T414] FS: 0000555555bdf400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 54.158359][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.165475][ T414] CR2: 00007ffde09f284c CR3: 0000000116b88000 CR4: 00000000003506a0 [ 54.173782][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.181852][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.190241][ T414] Call Trace: [ 54.193657][ T414] ? init_wait_entry+0xe0/0xe0 [ 54.198413][ T414] ? up_write+0x68/0x140 [ 54.202789][ T414] namespace_unlock+0x377/0x420 [ 54.207802][ T414] path_umount+0xe23/0xed0 [ 54.212552][ T414] __x64_sys_umount+0xe8/0x110 [ 54.217511][ T414] do_syscall_64+0x34/0x70 [ 54.221959][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.227875][ T414] RIP: 0033:0x7f5ac10b6557 [ 54.232296][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.252251][ T414] RSP: 002b:00007ffde09f2828 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 54.260799][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ac10b6557 [ 54.268896][ T414] RDX: 00007ffde09f28f9 RSI: 000000000000000a RDI: 00007ffde09f28f0 [ 54.276984][ T414] RBP: 00007ffde09f28f0 R08: 00000000ffffffff R09: 00007ffde09f26c0 [ 54.285150][ T414] R10: 0000555555be0ba3 R11: 0000000000000246 R12: 00007f5ac110e1f8 [ 54.293335][ T414] R13: 00007ffde09f39b0 R14: 0000555555be0b00 R15: 00007ffde09f39f0 [ 54.301292][ T414] ---[ end trace 518ce58d12f18525 ]--- [ 54.307937][ T414] ------------[ cut here ]------------ [ 54.313451][ C0] !!! css_killed_ref_fn css ffff88810f66a400 !!! [ 54.313477][ C0] !!! css_killed_ref_fn css ffff88810f66ac00 !!! [ 54.326399][ C0] !!! css_killed_ref_fn css ffff88810f669800 !!! [ 54.332793][ T414] WARNING: CPU: 0 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 54.341985][ T414] Modules linked in: [ 54.345935][ T414] CPU: 0 PID: 414 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 54.357710][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.367830][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 54.373505][ T414] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 54.393233][ T414] RSP: 0018:ffffc90000f07dd0 EFLAGS: 00010293 [ 54.399290][ T414] RAX: ffffffff81af043c RBX: ffff88810e842fe0 RCX: ffff8881025fadc0 [ 54.407288][ T414] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 54.415392][ T414] RBP: ffffc90000f07e40 R08: ffffffff81af0167 R09: fffff520001e0fb2 [ 54.423410][ T414] R10: fffff520001e0fb2 R11: 1ffff920001e0fb1 R12: dffffc0000000000 [ 54.432169][ T414] R13: ffff88810e842f00 R14: 00000000fffffffe R15: 0000000000000000 [ 54.440292][ T414] FS: 0000555555bdf400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 54.449295][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.455917][ T414] CR2: 00007fffa3e9cd58 CR3: 0000000116b88000 CR4: 00000000003506b0 [ 54.463916][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.471884][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.480780][ T414] Call Trace: [ 54.484121][ T414] path_umount+0x1ad/0xed0 [ 54.488554][ T414] __x64_sys_umount+0xe8/0x110 [ 54.493350][ T414] do_syscall_64+0x34/0x70 [ 54.497786][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.504222][ T414] RIP: 0033:0x7f5ac10b6557 [ 54.508646][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.528652][ T414] RSP: 002b:00007ffde09f2828 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 54.537138][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ac10b6557 [ 54.545427][ T414] RDX: 00007ffde09f28f9 RSI: 000000000000000a RDI: 00007ffde09f28f0 [ 54.553552][ T414] RBP: 00007ffde09f28f0 R08: 00000000ffffffff R09: 00007ffde09f26c0 [ 54.561523][ T414] R10: 0000555555be0ba3 R11: 0000000000000246 R12: 00007f5ac110e1f8 [ 54.569530][ T414] R13: 00007ffde09f39b0 R14: 0000555555be0b00 R15: 00007ffde09f39f0 [ 54.577561][ T414] ---[ end trace 518ce58d12f18526 ]--- [ 54.583180][ T79] !!! css_release css ffff88810f66a400 !!! [ 54.589061][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810f66a400 !!! [ 54.599896][ T79] !!! css_release css ffff88810f66ac00 !!! [ 54.605920][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810f66ac00 !!! [ 54.613826][ T534] !!! css_create !!! [ 54.617811][ T534] !!! css_create !!! [ 54.621992][ T534] !!! css_create !!! [ 54.626123][ T534] FAULT_INJECTION: forcing a failure. [ 54.626123][ T534] name failslab, interval 1, probability 0, space 0, times 0 [ 54.638802][ T534] CPU: 1 PID: 534 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 54.650606][ T534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.660757][ T534] Call Trace: [ 54.664046][ T534] dump_stack+0x19c/0x1e2 [ 54.668484][ T534] should_fail+0x3f7/0x5b0 [ 54.673351][ T534] __should_failslab+0xd2/0x130 [ 54.678196][ T534] should_failslab+0x9/0x20 [ 54.682698][ T534] slab_pre_alloc_hook+0x25/0xe0 [ 54.687625][ T534] ? __kernfs_new_node+0x4c/0x6d0 [ 54.692898][ T534] __kmalloc_track_caller+0x70/0x300 [ 54.698159][ T534] ? __kernfs_new_node+0x4c/0x6d0 [ 54.703864][ T534] kstrdup_const+0x55/0x90 [ 54.708268][ T534] __kernfs_new_node+0x4c/0x6d0 [ 54.713302][ T534] ? string+0x29f/0x2b0 [ 54.717484][ T534] ? vsnprintf+0x1a6c/0x1b30 [ 54.722086][ T534] kernfs_new_node+0x97/0x170 [ 54.726842][ T534] __kernfs_create_file+0x4a/0x270 [ 54.732151][ T534] cgroup_addrm_files+0x99e/0xeb0 [ 54.737186][ T534] ? delete_node+0x747/0x7a0 [ 54.741777][ T534] css_populate_dir+0x137/0x370 [ 54.746707][ T534] cgroup_apply_control_enable+0x31e/0xfc0 [ 54.752537][ T534] cgroup_apply_control+0x36/0x710 [ 54.757763][ T534] ? init_wait_entry+0xe0/0xe0 [ 54.762533][ T534] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.768030][ T534] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.774018][ T534] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.780006][ T534] cgroup_file_write+0x22f/0x4f0 [ 54.785039][ T534] kernfs_fop_write_iter+0x2cd/0x410 [ 54.790700][ T534] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.795817][ T534] vfs_write+0xb57/0xe50 [ 54.800500][ T534] ksys_write+0x157/0x260 [ 54.804832][ T534] __x64_sys_write+0x7b/0x90 [ 54.809414][ T534] do_syscall_64+0x34/0x70 [ 54.813842][ T534] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.819823][ T534] RIP: 0033:0x7f2357f530e9 [ 54.824446][ 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 [ 54.844348][ T534] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.852845][ T534] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 54.860902][ T534] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.868858][ T534] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.876900][ T534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.885126][ T534] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 54.893747][ T534] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.900900][ T534] !!! cgroup_apply_control_disable [ 54.906112][ T534] !!! cgroup_apply_control_disable kill_css ffff88810f746800 [ 54.913585][ T534] !!! cgroup_apply_control_disable kill_css ffff88810f744c00 [ 54.921109][ T534] !!! cgroup_apply_control_disable kill_css ffff88810f744400 [ 54.930313][ T405] ------------[ cut here ]------------ [ 54.936009][ T405] WARNING: CPU: 1 PID: 405 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 54.945309][ T405] Modules linked in: [ 54.949206][ T405] CPU: 1 PID: 405 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 54.960867][ T405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.971043][ T405] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 54.976809][ T405] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 54.996436][ T405] RSP: 0018:ffffc90000cc7d58 EFLAGS: 00010293 [ 55.002489][ T405] RAX: ffffffff81af043c RBX: ffff88810e8438e0 RCX: ffff888108ba2dc0 [ 55.010470][ T405] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 55.018475][ T405] RBP: ffffc90000cc7dc8 R08: ffffffff81af0167 R09: fffff52000198fa3 [ 55.026544][ T405] R10: fffff52000198fa3 R11: 1ffff92000198fa2 R12: dffffc0000000000 [ 55.034639][ T405] R13: ffff88810e843800 R14: 00000000fffffffd R15: 0000000000000000 [ 55.042600][ T405] FS: 0000555555d1a400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 55.051626][ T405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.058223][ T405] CR2: 00007ffdc1ab5fd8 CR3: 000000011670a000 CR4: 00000000003506a0 [ 55.066290][ T405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.074305][ T405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.082267][ T405] Call Trace: [ 55.085663][ T405] ? init_wait_entry+0xe0/0xe0 [ 55.090424][ T405] ? up_write+0x68/0x140 [ 55.094702][ T405] namespace_unlock+0x377/0x420 [ 55.099551][ T405] path_umount+0xe23/0xed0 [ 55.104029][ T405] __x64_sys_umount+0xe8/0x110 [ 55.108871][ T405] do_syscall_64+0x34/0x70 [ 55.113385][ T405] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.119283][ T405] RIP: 0033:0x7f2357f54557 [ 55.123883][ T405] 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 [ 55.143614][ T405] RSP: 002b:00007ffdc1ab6718 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 55.152203][ T405] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2357f54557 [ 55.160568][ T405] RDX: 00007ffdc1ab67e9 RSI: 000000000000000a RDI: 00007ffdc1ab67e0 [ 55.168656][ T405] RBP: 00007ffdc1ab67e0 R08: 00000000ffffffff R09: 00007ffdc1ab65b0 [ 55.176635][ T405] R10: 0000555555d1bba3 R11: 0000000000000246 R12: 00007f2357fac1f8 [ 55.184623][ T405] R13: 00007ffdc1ab78a0 R14: 0000555555d1bb00 R15: 00007ffdc1ab78e0 [ 55.193674][ T405] ---[ end trace 518ce58d12f18527 ]--- [ 55.199157][ T405] ------------[ cut here ]------------ [ 55.204672][ T405] WARNING: CPU: 1 PID: 405 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 55.213701][ C1] !!! css_killed_ref_fn css ffff88810f746800 !!! [ 55.213733][ C1] !!! css_killed_ref_fn css ffff88810f744c00 !!! [ 55.226498][ T405] Modules linked in: [ 55.230492][ T405] CPU: 1 PID: 405 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 55.242923][ T405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.253119][ T405] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 55.258823][ T405] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 55.278889][ T405] RSP: 0018:ffffc90000cc7dd0 EFLAGS: 00010293 [ 55.285002][ T405] RAX: ffffffff81af043c RBX: ffff88810e8438e0 RCX: ffff888108ba2dc0 [ 55.293179][ T405] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: 0000000000000000 [ 55.301271][ T405] RBP: ffffc90000cc7e40 R08: ffffffff81af0167 R09: fffff52000198fb2 [ 55.312004][ T405] R10: fffff52000198fb2 R11: 1ffff92000198fb1 R12: dffffc0000000000 [ 55.320238][ T405] R13: ffff88810e843800 R14: 00000000fffffffc R15: 0000000000000000 [ 55.328333][ T405] FS: 0000555555d1a400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 55.337412][ T405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.344005][ T405] CR2: 00007ffdc1ab5fd8 CR3: 000000011670a000 CR4: 00000000003506a0 [ 55.352669][ T405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.360664][ T405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.368909][ T405] Call Trace: [ 55.372293][ T405] path_umount+0x1ad/0xed0 [ 55.376830][ T405] __x64_sys_umount+0xe8/0x110 [ 55.381769][ T405] do_syscall_64+0x34/0x70 [ 55.386207][ T405] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.392096][ T405] RIP: 0033:0x7f2357f54557 [ 55.396538][ T405] 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 [ 55.416613][ T405] RSP: 002b:00007ffdc1ab6718 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 55.425442][ T405] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2357f54557 [ 55.433430][ T405] RDX: 00007ffdc1ab67e9 RSI: 000000000000000a RDI: 00007ffdc1ab67e0 [ 55.441399][ T405] RBP: 00007ffdc1ab67e0 R08: 00000000ffffffff R09: 00007ffdc1ab65b0 [ 55.449498][ T405] R10: 0000555555d1bba3 R11: 0000000000000246 R12: 00007f2357fac1f8 [ 55.457487][ T405] R13: 00007ffdc1ab78a0 R14: 0000555555d1bb00 R15: 00007ffdc1ab78e0 [ 55.465654][ T405] ---[ end trace 518ce58d12f18528 ]--- [ 55.471449][ T445] !!! css_release css ffff88810f746800 !!! [ 55.481003][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810f746800 !!! [ 55.488521][ C1] !!! css_killed_ref_fn css ffff88810f744400 !!! [ 55.495847][ T373] !!! css_release css ffff88810f744c00 !!! [ 55.505469][ T373] !!! css_put is zero set CSS_NO_REF css ffff88810f744c00 !!! [ 55.513590][ T445] !!! css_release css ffff88810f744400 !!! [ 55.519499][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810f744400 !!! [ 55.527259][ T566] !!! css_create !!! [ 55.531321][ T566] !!! css_create !!! [ 55.535457][ T566] !!! css_create !!! [ 55.539840][ T566] FAULT_INJECTION: forcing a failure. [ 55.539840][ T566] name failslab, interval 1, probability 0, space 0, times 0 [ 55.552868][ T566] CPU: 1 PID: 566 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 55.564416][ T566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.574467][ T566] Call Trace: [ 55.577749][ T566] dump_stack+0x19c/0x1e2 [ 55.582070][ T566] should_fail+0x3f7/0x5b0 [ 55.586566][ T566] __should_failslab+0xd2/0x130 [ 55.591504][ T566] should_failslab+0x9/0x20 [ 55.596440][ T566] slab_pre_alloc_hook+0x25/0xe0 [ 55.601417][ T566] ? __kernfs_new_node+0x4c/0x6d0 [ 55.606585][ T566] __kmalloc_track_caller+0x70/0x300 [ 55.611858][ T566] ? __kernfs_new_node+0x4c/0x6d0 [ 55.617135][ T566] kstrdup_const+0x55/0x90 [ 55.621623][ T566] __kernfs_new_node+0x4c/0x6d0 [ 55.626567][ T566] ? string+0x29f/0x2b0 [ 55.630717][ T566] ? vsnprintf+0x1a6c/0x1b30 [ 55.635296][ T566] kernfs_new_node+0x97/0x170 [ 55.639974][ T566] __kernfs_create_file+0x4a/0x270 [ 55.645070][ T566] cgroup_addrm_files+0x99e/0xeb0 [ 55.650085][ T566] ? delete_node+0x747/0x7a0 [ 55.654687][ T566] css_populate_dir+0x137/0x370 [ 55.659553][ T566] cgroup_apply_control_enable+0x31e/0xfc0 [ 55.665658][ T566] cgroup_apply_control+0x36/0x710 [ 55.670757][ T566] ? init_wait_entry+0xe0/0xe0 [ 55.675692][ T566] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.680959][ T566] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.687119][ T566] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.693242][ T566] cgroup_file_write+0x22f/0x4f0 [ 55.698676][ T566] kernfs_fop_write_iter+0x2cd/0x410 [ 55.704046][ T566] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.709150][ T566] vfs_write+0xb57/0xe50 [ 55.713381][ T566] ksys_write+0x157/0x260 [ 55.717886][ T566] __x64_sys_write+0x7b/0x90 [ 55.723053][ T566] do_syscall_64+0x34/0x70 [ 55.727947][ T566] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.733932][ T566] RIP: 0033:0x7f5ac10b50e9 [ 55.738339][ T566] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.758562][ T566] RSP: 002b:00007f5ac100a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.767329][ T566] RAX: ffffffffffffffda RBX: 00007f5ac11c8030 RCX: 00007f5ac10b50e9 [ 55.776049][ T566] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.784031][ T566] RBP: 00007f5ac100a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.792123][ T566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.800272][ T566] R13: 00007ffde09f36cf R14: 00007f5ac100a300 R15: 0000000000022000 [ 55.809025][ T566] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.816368][ T566] !!! cgroup_apply_control_disable [ 55.821654][ T566] !!! cgroup_apply_control_disable kill_css ffff88811ed1e800 [ 55.829497][ T566] !!! cgroup_apply_control_disable kill_css ffff888110132400 [ 55.837281][ T566] !!! cgroup_apply_control_disable kill_css ffff88810ffe4000 [ 55.856104][ C0] !!! css_killed_ref_fn css ffff88811ed1e800 !!! [ 55.862559][ T79] !!! css_release css ffff88811ed1e800 !!! [ 55.868639][ T79] !!! css_put is zero set CSS_NO_REF css ffff88811ed1e800 !!! [ 55.868702][ C1] !!! css_killed_ref_fn css ffff888110132400 !!! [ 55.883031][ C1] !!! css_killed_ref_fn css ffff88810ffe4000 !!! [ 55.889645][ T445] !!! css_release css ffff888110132400 !!! [ 55.895944][ T445] !!! css_put is zero set CSS_NO_REF css ffff888110132400 !!! [ 55.904049][ T445] !!! css_release css ffff88810ffe4000 !!! [ 55.910501][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810ffe4000 !!! [ 55.925916][ T573] !!! css_create !!! [ 55.931595][ T573] !!! css_create !!! [ 55.937519][ T573] !!! css_create !!! [ 55.941563][ T573] FAULT_INJECTION: forcing a failure. [ 55.941563][ T573] name failslab, interval 1, probability 0, space 0, times 0 [ 55.954976][ T573] CPU: 1 PID: 573 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 55.967493][ T573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.977716][ T573] Call Trace: [ 55.980996][ T573] dump_stack+0x19c/0x1e2 [ 55.985326][ T573] should_fail+0x3f7/0x5b0 [ 55.989737][ T573] __should_failslab+0xd2/0x130 [ 55.994655][ T573] should_failslab+0x9/0x20 [ 55.999147][ T573] slab_pre_alloc_hook+0x25/0xe0 [ 56.004335][ T573] kmem_cache_alloc_trace+0x47/0x2b0 [ 56.010241][ T573] ? percpu_ref_init+0xd0/0x330 [ 56.015085][ T573] percpu_ref_init+0xd0/0x330 [ 56.019756][ T573] ? cgroup_setup_root+0x8a0/0x8a0 [ 56.024893][ T573] cgroup_apply_control_enable+0x49f/0xfc0 [ 56.030691][ T573] cgroup_apply_control+0x36/0x710 [ 56.035914][ T573] ? init_wait_entry+0xe0/0xe0 [ 56.040686][ T573] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.046047][ T573] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.052625][ T573] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.058611][ T573] cgroup_file_write+0x22f/0x4f0 [ 56.063558][ T573] kernfs_fop_write_iter+0x2cd/0x410 [ 56.069031][ T573] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.074142][ T573] vfs_write+0xb57/0xe50 [ 56.078492][ T573] ksys_write+0x157/0x260 [ 56.082895][ T573] __x64_sys_write+0x7b/0x90 [ 56.087608][ T573] do_syscall_64+0x34/0x70 [ 56.092024][ T573] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.098011][ T573] RIP: 0033:0x7f2357f530e9 [ 56.102410][ 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 [ 56.122088][ T573] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.131269][ T573] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 56.139324][ T573] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.147296][ T573] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.155351][ T573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.163448][ T573] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 56.172047][ T573] !!! cgroup_apply_control_disable [ 56.177527][ T573] !!! cgroup_apply_control_disable kill_css ffff88810d158000 [ 56.185349][ T573] !!! cgroup_apply_control_disable kill_css ffff88810feb9800 [ 56.203779][ C0] !!! css_killed_ref_fn css ffff88810d158000 !!! [ 56.210184][ T377] !!! css_release css ffff88810d158000 !!! [ 56.216077][ C0] !!! css_killed_ref_fn css ffff88810feb9800 !!! [ 56.222527][ T377] !!! css_put is zero set CSS_NO_REF css ffff88810d158000 !!! [ 56.230182][ T377] !!! css_release css ffff88810feb9800 !!! [ 56.236395][ T377] !!! css_put is zero set CSS_NO_REF css ffff88810feb9800 !!! [ 56.244701][ T552] !!! css_create !!! [ 56.251872][ T552] !!! css_create !!! [ 56.255989][ T552] !!! css_create !!! [ 56.259983][ T552] FAULT_INJECTION: forcing a failure. [ 56.259983][ T552] name failslab, interval 1, probability 0, space 0, times 0 [ 56.272870][ T552] CPU: 0 PID: 552 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 56.284754][ T552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.294981][ T552] Call Trace: [ 56.299413][ T552] dump_stack+0x19c/0x1e2 [ 56.304116][ T552] should_fail+0x3f7/0x5b0 [ 56.308630][ T552] __should_failslab+0xd2/0x130 [ 56.313551][ T552] should_failslab+0x9/0x20 [ 56.318223][ T552] slab_pre_alloc_hook+0x25/0xe0 [ 56.323261][ T552] kmem_cache_alloc_trace+0x47/0x2b0 [ 56.328547][ T552] ? percpu_ref_init+0xd0/0x330 [ 56.333412][ T552] percpu_ref_init+0xd0/0x330 [ 56.338265][ T552] ? cgroup_setup_root+0x8a0/0x8a0 [ 56.343494][ T552] cgroup_apply_control_enable+0x49f/0xfc0 [ 56.349416][ T552] cgroup_apply_control+0x36/0x710 [ 56.354623][ T552] ? init_wait_entry+0xe0/0xe0 [ 56.359578][ T552] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.365104][ T552] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.371202][ T552] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.378185][ T552] cgroup_file_write+0x22f/0x4f0 [ 56.383136][ T552] kernfs_fop_write_iter+0x2cd/0x410 [ 56.388528][ T552] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.393648][ T552] vfs_write+0xb57/0xe50 [ 56.397909][ T552] ksys_write+0x157/0x260 [ 56.402260][ T552] __x64_sys_write+0x7b/0x90 [ 56.406856][ T552] do_syscall_64+0x34/0x70 [ 56.411264][ T552] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.417772][ T552] RIP: 0033:0x7fdacc0480e9 [ 56.422182][ 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 [ 56.442493][ T552] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.450897][ T552] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 56.458896][ T552] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.466865][ T552] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.475102][ T552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.483230][ T552] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 56.491825][ T552] !!! cgroup_apply_control_disable [ 56.497044][ T552] !!! cgroup_apply_control_disable kill_css ffff888110338800 [ 56.504896][ T552] !!! cgroup_apply_control_disable kill_css ffff888110339000 [ 56.513991][ T407] ------------[ cut here ]------------ [ 56.519523][ T407] WARNING: CPU: 0 PID: 407 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 56.528586][ T407] Modules linked in: [ 56.532504][ T407] CPU: 0 PID: 407 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 56.544308][ T407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.554394][ T407] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 56.560185][ T407] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 56.581781][ T407] RSP: 0018:ffffc90000ce7d58 EFLAGS: 00010293 [ 56.588154][ T407] RAX: ffffffff81af043c RBX: ffff88810dcc4260 RCX: ffff888105229e80 [ 56.596248][ T407] RDX: 0000000000000000 RSI: 00000000fffffffb RDI: 0000000000000000 [ 56.604247][ T407] RBP: ffffc90000ce7dc8 R08: ffffffff81af0167 R09: fffff5200019cfa3 [ 56.612290][ T407] R10: fffff5200019cfa3 R11: 1ffff9200019cfa2 R12: dffffc0000000000 [ 56.620477][ T407] R13: ffff88810dcc4180 R14: 00000000fffffffb R15: 0000000000000000 [ 56.628748][ T407] FS: 0000555556931400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 56.637713][ T407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.644394][ T407] CR2: 00007fff1d5cdff0 CR3: 0000000116555000 CR4: 00000000003506b0 [ 56.658493][ T407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.666669][ T407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.674643][ T407] Call Trace: [ 56.678282][ T407] ? init_wait_entry+0xe0/0xe0 [ 56.683051][ T407] ? up_write+0x68/0x140 [ 56.687277][ T407] namespace_unlock+0x377/0x420 [ 56.692286][ T407] path_umount+0xe23/0xed0 [ 56.696740][ T407] __x64_sys_umount+0xe8/0x110 [ 56.701671][ T407] do_syscall_64+0x34/0x70 [ 56.706119][ T407] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.712255][ T407] RIP: 0033:0x7fdacc049557 [ 56.717148][ T407] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.737498][ T407] RSP: 002b:00007fff1d5ce158 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 56.747899][ T407] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdacc049557 [ 56.757972][ T407] RDX: 00007fff1d5ce229 RSI: 000000000000000a RDI: 00007fff1d5ce220 [ 56.766941][ T407] RBP: 00007fff1d5ce220 R08: 00000000ffffffff R09: 00007fff1d5cdff0 [ 56.775855][ T407] R10: 0000555556932ba3 R11: 0000000000000246 R12: 00007fdacc0a11f8 [ 56.784677][ T407] R13: 00007fff1d5cf2e0 R14: 0000555556932b00 R15: 00007fff1d5cf320 [ 56.793163][ T407] ---[ end trace 518ce58d12f18529 ]--- [ 56.798864][ T407] ------------[ cut here ]------------ [ 56.804387][ T407] WARNING: CPU: 0 PID: 407 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 56.813360][ T407] Modules linked in: [ 56.817252][ T407] CPU: 0 PID: 407 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 56.831108][ T407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.841419][ T407] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 56.847975][ T407] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 56.867785][ T407] RSP: 0018:ffffc90000ce7dd0 EFLAGS: 00010293 [ 56.873878][ T407] RAX: ffffffff81af043c RBX: ffff88810dcc4260 RCX: ffff888105229e80 [ 56.881857][ T407] RDX: 0000000000000000 RSI: 00000000fffffffa RDI: 0000000000000000 [ 56.889983][ T407] RBP: ffffc90000ce7e40 R08: ffffffff81af0167 R09: fffff5200019cfb2 [ 56.898057][ T407] R10: fffff5200019cfb2 R11: 1ffff9200019cfb1 R12: dffffc0000000000 [ 56.906299][ T407] R13: ffff88810dcc4180 R14: 00000000fffffffa R15: 0000000000000000 [ 56.914314][ T407] FS: 0000555556931400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 56.923303][ T407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.929976][ T407] CR2: 00007fff1d5cdff0 CR3: 0000000116555000 CR4: 00000000003506b0 [ 56.937972][ T407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.945985][ T407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.954505][ T407] Call Trace: [ 56.959725][ T407] path_umount+0x1ad/0xed0 [ 56.964165][ T407] __x64_sys_umount+0xe8/0x110 [ 56.969020][ T407] do_syscall_64+0x34/0x70 [ 56.973450][ T407] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.979602][ T407] RIP: 0033:0x7fdacc049557 [ 56.984031][ T407] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.004281][ T407] RSP: 002b:00007fff1d5ce158 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 57.013386][ T407] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdacc049557 [ 57.021445][ T407] RDX: 00007fff1d5ce229 RSI: 000000000000000a RDI: 00007fff1d5ce220 [ 57.030005][ T407] RBP: 00007fff1d5ce220 R08: 00000000ffffffff R09: 00007fff1d5cdff0 [ 57.039258][ T407] R10: 0000555556932ba3 R11: 0000000000000246 R12: 00007fdacc0a11f8 [ 57.047487][ T407] R13: 00007fff1d5cf2e0 R14: 0000555556932b00 R15: 00007fff1d5cf320 [ 57.055671][ T407] ---[ end trace 518ce58d12f1852a ]--- [ 57.061535][ T23] audit: type=1400 audit(1654023630.439:162): 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 [ 57.083917][ C1] !!! css_killed_ref_fn css ffff888110338800 !!! [ 57.083943][ C1] !!! css_killed_ref_fn css ffff888110339000 !!! [ 57.096984][ T445] !!! css_release css ffff888110338800 !!! [ 57.102912][ T445] !!! css_put is zero set CSS_NO_REF css ffff888110338800 !!! [ 57.110550][ T445] !!! css_release css ffff888110339000 !!! [ 57.116701][ T445] !!! css_put is zero set CSS_NO_REF css ffff888110339000 !!! [ 57.124702][ T587] !!! css_create !!! [ 57.129291][ T587] !!! css_create !!! [ 57.133783][ T587] !!! css_create !!! [ 57.137897][ T587] FAULT_INJECTION: forcing a failure. [ 57.137897][ T587] name failslab, interval 1, probability 0, space 0, times 0 [ 57.150557][ T587] CPU: 0 PID: 587 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 57.162420][ T587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.172671][ T587] Call Trace: [ 57.175964][ T587] dump_stack+0x19c/0x1e2 [ 57.180476][ T587] should_fail+0x3f7/0x5b0 [ 57.185300][ T587] __should_failslab+0xd2/0x130 [ 57.190259][ T587] should_failslab+0x9/0x20 [ 57.194748][ T587] slab_pre_alloc_hook+0x25/0xe0 [ 57.199686][ T587] ? __kernfs_new_node+0x4c/0x6d0 [ 57.204822][ T587] __kmalloc_track_caller+0x70/0x300 [ 57.210101][ T587] ? __kernfs_new_node+0x4c/0x6d0 [ 57.215205][ T587] kstrdup_const+0x55/0x90 [ 57.219701][ T587] __kernfs_new_node+0x4c/0x6d0 [ 57.224534][ T587] ? string+0x29f/0x2b0 [ 57.228692][ T587] ? vsnprintf+0x1a6c/0x1b30 [ 57.233272][ T587] kernfs_new_node+0x97/0x170 [ 57.238772][ T587] __kernfs_create_file+0x4a/0x270 [ 57.243889][ T587] cgroup_addrm_files+0x99e/0xeb0 [ 57.249180][ T587] ? delete_node+0x747/0x7a0 [ 57.254072][ T587] css_populate_dir+0x137/0x370 [ 57.259543][ T587] cgroup_apply_control_enable+0x31e/0xfc0 [ 57.265634][ T587] cgroup_apply_control+0x36/0x710 [ 57.271283][ T587] ? init_wait_entry+0xe0/0xe0 [ 57.276234][ T587] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.281507][ T587] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.287576][ T587] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.294040][ T587] cgroup_file_write+0x22f/0x4f0 [ 57.299006][ T587] kernfs_fop_write_iter+0x2cd/0x410 [ 57.304295][ T587] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.309479][ T587] vfs_write+0xb57/0xe50 [ 57.313880][ T587] ksys_write+0x157/0x260 [ 57.318188][ T587] __x64_sys_write+0x7b/0x90 [ 57.322774][ T587] do_syscall_64+0x34/0x70 [ 57.327170][ T587] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.333515][ T587] RIP: 0033:0x7f2357f530e9 [ 57.338093][ T587] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.358076][ T587] RSP: 002b:00007f2357ec9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.366576][ T587] RAX: ffffffffffffffda RBX: 00007f2358065f60 RCX: 00007f2357f530e9 [ 57.374833][ T587] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.382802][ T587] RBP: 00007f2357ec91d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.390782][ T587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.398832][ T587] R13: 00007ffdc1ab75bf R14: 00007f2357ec9300 R15: 0000000000022000 [ 57.407113][ T587] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.414652][ T587] !!! cgroup_apply_control_disable [ 57.420115][ T587] !!! cgroup_apply_control_disable kill_css ffff8881105e6400 [ 57.428514][ T587] !!! cgroup_apply_control_disable kill_css ffff8881105e4000 [ 57.436051][ T587] !!! cgroup_apply_control_disable kill_css ffff8881105e6000 [ 57.462849][ C1] !!! css_killed_ref_fn css ffff8881105e6400 !!! [ 57.469381][ T445] !!! css_release css ffff8881105e6400 !!! [ 57.475580][ T445] !!! css_put is zero set CSS_NO_REF css ffff8881105e6400 !!! [ 57.482863][ C0] !!! css_killed_ref_fn css ffff8881105e4000 !!! [ 57.489691][ C0] !!! css_killed_ref_fn css ffff8881105e6000 !!! [ 57.496413][ T377] !!! css_release css ffff8881105e4000 !!! [ 57.502264][ T377] !!! css_put is zero set CSS_NO_REF css ffff8881105e4000 !!! [ 57.510032][ T377] !!! css_release css ffff8881105e6000 !!! [ 57.516036][ T377] !!! css_put is zero set CSS_NO_REF css ffff8881105e6000 !!! [ 57.524028][ T588] !!! css_create !!! [ 57.528446][ T588] !!! css_create !!! [ 57.532432][ T588] !!! css_create !!! [ 57.536882][ T588] FAULT_INJECTION: forcing a failure. [ 57.536882][ T588] name failslab, interval 1, probability 0, space 0, times 0 [ 57.549739][ T588] CPU: 0 PID: 588 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 57.561823][ T588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.571948][ T588] Call Trace: [ 57.575230][ T588] dump_stack+0x19c/0x1e2 [ 57.579560][ T588] should_fail+0x3f7/0x5b0 [ 57.583963][ T588] __should_failslab+0xd2/0x130 [ 57.588799][ T588] should_failslab+0x9/0x20 [ 57.593287][ T588] slab_pre_alloc_hook+0x25/0xe0 [ 57.598229][ T588] ? __kernfs_new_node+0x4c/0x6d0 [ 57.603456][ T588] __kmalloc_track_caller+0x70/0x300 [ 57.609003][ T588] ? __kernfs_new_node+0x4c/0x6d0 [ 57.614026][ T588] kstrdup_const+0x55/0x90 [ 57.618435][ T588] __kernfs_new_node+0x4c/0x6d0 [ 57.623320][ T588] ? string+0x29f/0x2b0 [ 57.627475][ T588] ? vsnprintf+0x1a6c/0x1b30 [ 57.632057][ T588] kernfs_new_node+0x97/0x170 [ 57.636764][ T588] __kernfs_create_file+0x4a/0x270 [ 57.641884][ T588] cgroup_addrm_files+0x99e/0xeb0 [ 57.646915][ T588] ? delete_node+0x747/0x7a0 [ 57.651516][ T588] css_populate_dir+0x137/0x370 [ 57.656379][ T588] cgroup_apply_control_enable+0x31e/0xfc0 [ 57.662332][ T588] cgroup_apply_control+0x36/0x710 [ 57.667561][ T588] ? init_wait_entry+0xe0/0xe0 [ 57.672383][ T588] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.677760][ T588] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.684027][ T588] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.690402][ T588] cgroup_file_write+0x22f/0x4f0 [ 57.695334][ T588] kernfs_fop_write_iter+0x2cd/0x410 [ 57.700623][ T588] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.705822][ T588] vfs_write+0xb57/0xe50 [ 57.710091][ T588] ksys_write+0x157/0x260 [ 57.714796][ T588] __x64_sys_write+0x7b/0x90 [ 57.719385][ T588] do_syscall_64+0x34/0x70 [ 57.724111][ T588] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.730014][ T588] RIP: 0033:0x7fdacc0480e9 [ 57.734443][ T588] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.754368][ T588] RSP: 002b:00007fdacbfbe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.762787][ T588] RAX: ffffffffffffffda RBX: 00007fdacc15af60 RCX: 00007fdacc0480e9 [ 57.771454][ T588] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.779422][ T588] RBP: 00007fdacbfbe1d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.787480][ T588] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.795614][ T588] R13: 00007fff1d5cefff R14: 00007fdacbfbe300 R15: 0000000000022000 [ 57.803823][ T588] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.810961][ T588] !!! cgroup_apply_control_disable [ 57.816176][ T588] !!! cgroup_apply_control_disable kill_css ffff8881107e5000 [ 57.823621][ T588] !!! cgroup_apply_control_disable kill_css ffff8881107e4800 [ 57.831250][ T588] !!! cgroup_apply_control_disable kill_css ffff8881107e6400 [ 57.862893][ C0] !!! css_killed_ref_fn css ffff8881107e5000 !!! [ 57.869633][ C0] !!! css_killed_ref_fn css ffff8881107e4800 !!! [ 57.876223][ T377] !!! css_release css ffff8881107e5000 !!! [ 57.882031][ T377] !!! css_put is zero set CSS_NO_REF css ffff8881107e5000 !!! [ 57.889677][ T377] !!! css_release css ffff8881107e4800 !!! [ 57.895681][ C0] !!! css_killed_ref_fn css ffff8881107e6400 !!! [ 57.902401][ T377] !!! css_put is zero set CSS_NO_REF css ffff8881107e4800 !!! [ 57.910310][ T377] !!! css_release css ffff8881107e6400 !!! [ 57.916183][ T377] !!! css_put is zero set CSS_NO_REF css ffff8881107e6400 !!! [ 57.923813][ T558] !!! css_create !!! [ 57.927911][ T558] !!! css_create !!! [ 57.931859][ T558] !!! css_create !!! [ 57.936042][ T558] FAULT_INJECTION: forcing a failure. [ 57.936042][ T558] name failslab, interval 1, probability 0, space 0, times 0 [ 57.948838][ T558] CPU: 0 PID: 558 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 57.960837][ T558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.971091][ T558] Call Trace: [ 57.974400][ T558] dump_stack+0x19c/0x1e2 [ 57.978810][ T558] should_fail+0x3f7/0x5b0 [ 57.983213][ T558] __should_failslab+0xd2/0x130 [ 57.988065][ T558] should_failslab+0x9/0x20 [ 57.992648][ T558] slab_pre_alloc_hook+0x25/0xe0 [ 57.997672][ T558] ? __kernfs_new_node+0x4c/0x6d0 [ 58.002678][ T558] __kmalloc_track_caller+0x70/0x300 [ 58.008133][ T558] ? __kernfs_new_node+0x4c/0x6d0 [ 58.013153][ T558] kstrdup_const+0x55/0x90 [ 58.017822][ T558] __kernfs_new_node+0x4c/0x6d0 [ 58.022778][ T558] ? string+0x29f/0x2b0 [ 58.026925][ T558] ? vsnprintf+0x1a6c/0x1b30 [ 58.031634][ T558] kernfs_new_node+0x97/0x170 [ 58.036310][ T558] __kernfs_create_file+0x4a/0x270 [ 58.041425][ T558] cgroup_addrm_files+0x99e/0xeb0 [ 58.046526][ T558] ? delete_node+0x747/0x7a0 [ 58.051127][ T558] css_populate_dir+0x137/0x370 [ 58.056084][ T558] cgroup_apply_control_enable+0x31e/0xfc0 [ 58.061979][ T558] cgroup_apply_control+0x36/0x710 [ 58.067075][ T558] ? init_wait_entry+0xe0/0xe0 [ 58.071822][ T558] ? cgroup_kn_lock_live+0x1af/0x370 [ 58.077202][ T558] cgroup_subtree_control_write+0xd05/0x12d0 [ 58.083184][ T558] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 58.089399][ T558] cgroup_file_write+0x22f/0x4f0 [ 58.094336][ T558] kernfs_fop_write_iter+0x2cd/0x410 [ 58.099615][ T558] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.104737][ T558] vfs_write+0xb57/0xe50 [ 58.108976][ T558] ksys_write+0x157/0x260 [ 58.113306][ T558] __x64_sys_write+0x7b/0x90 [ 58.117895][ T558] do_syscall_64+0x34/0x70 [ 58.127955][ T558] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.134223][ T558] RIP: 0033:0x7f31ebfba0e9 [ 58.138892][ T558] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.158605][ T558] RSP: 002b:00007f31ebf0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.167536][ T558] RAX: ffffffffffffffda RBX: 00007f31ec0cd030 RCX: 00007f31ebfba0e9 [ 58.175589][ T558] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.183568][ T558] RBP: 00007f31ebf0f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.191913][ T558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.199966][ T558] R13: 00007ffc28ee6d4f R14: 00007f31ebf0f300 R15: 0000000000022000 2022/05/31 19:00:31 executed programs: 55 [ 58.208003][ T558] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 58.215042][ T558] !!! cgroup_apply_control_disable [ 58.220131][ T558] !!! cgroup_apply_control_disable kill_css ffff8881107e7400 [ 58.227821][ T558] !!! cgroup_apply_control_disable kill_css ffff8881107e7800 [ 58.236040][ T558] !!! cgroup_apply_control_disable kill_css ffff8881107e6800 [ 58.247625][ T412] ------------[ cut here ]------------ [ 58.253242][ T412] WARNING: CPU: 0 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 58.262159][ T412] Modules linked in: [ 58.266101][ C0] !!! css_killed_ref_fn css ffff8881107e7400 !!! [ 58.272441][ T412] CPU: 0 PID: 412 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 58.284614][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.294712][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 58.300506][ T412] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 58.320168][ T412] RSP: 0018:ffffc90000ee7d58 EFLAGS: 00010293 [ 58.326381][ T412] RAX: ffffffff81af043c RBX: ffff88810e842b60 RCX: ffff888108ba0f40 [ 58.334648][ T412] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 58.342721][ T412] RBP: ffffc90000ee7dc8 R08: ffffffff81af0167 R09: fffff520001dcfa3 [ 58.350766][ T412] R10: fffff520001dcfa3 R11: 1ffff920001dcfa2 R12: dffffc0000000000 [ 58.358788][ T412] R13: ffff88810e842a80 R14: 00000000ffffffff R15: 0000000000000000 [ 58.366837][ T412] FS: 0000555557155400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 58.375794][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.382568][ T412] CR2: 00007fff1d5cf238 CR3: 0000000114599000 CR4: 00000000003506b0 [ 58.390602][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.398625][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.409066][ T412] Call Trace: [ 58.412357][ T412] ? init_wait_entry+0xe0/0xe0 [ 58.417253][ T412] ? up_write+0x68/0x140 [ 58.421859][ T412] namespace_unlock+0x377/0x420 [ 58.426785][ T412] path_umount+0xe23/0xed0 [ 58.431226][ T412] __x64_sys_umount+0xe8/0x110 [ 58.436042][ T412] do_syscall_64+0x34/0x70 [ 58.440461][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.446386][ T412] RIP: 0033:0x7f31ebfbb557 [ 58.450797][ T412] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.470457][ T412] RSP: 002b:00007ffc28ee5ea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 58.478892][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f31ebfbb557 [ 58.492399][ T412] RDX: 00007ffc28ee5f79 RSI: 000000000000000a RDI: 00007ffc28ee5f70 [ 58.500432][ T412] RBP: 00007ffc28ee5f70 R08: 00000000ffffffff R09: 00007ffc28ee5d40 [ 58.508452][ T412] R10: 0000555557156ba3 R11: 0000000000000246 R12: 00007f31ec0131f8 [ 58.516447][ T412] R13: 00007ffc28ee7030 R14: 0000555557156b00 R15: 00007ffc28ee7070 [ 58.524969][ T412] ---[ end trace 518ce58d12f1852b ]--- [ 58.530479][ T382] !!! css_release css ffff8881107e7400 !!! [ 58.533121][ T412] ------------[ cut here ]------------ [ 58.536341][ T382] !!! css_put is zero set CSS_NO_REF css ffff8881107e7400 !!! [ 58.541776][ T412] WARNING: CPU: 1 PID: 412 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 58.552908][ C0] !!! css_killed_ref_fn css ffff8881107e7800 !!! [ 58.558473][ T412] Modules linked in: [ 58.564797][ C0] !!! css_killed_ref_fn css ffff8881107e6800 !!! [ 58.574986][ T412] CPU: 1 PID: 412 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 58.586571][ T412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.597030][ T412] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 58.602665][ T412] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 58.622879][ T412] RSP: 0018:ffffc90000ee7dd0 EFLAGS: 00010293 [ 58.629161][ T412] RAX: ffffffff81af043c RBX: ffff88810e842b60 RCX: ffff888108ba0f40 [ 58.639082][ T412] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 58.648717][ T412] RBP: ffffc90000ee7e40 R08: ffffffff81af0167 R09: fffff520001dcfb2 [ 58.657807][ T412] R10: fffff520001dcfb2 R11: 1ffff920001dcfb1 R12: dffffc0000000000 [ 58.666664][ T412] R13: ffff88810e842a80 R14: 00000000fffffffe R15: 0000000000000000 [ 58.674645][ T412] FS: 0000555557155400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 58.683603][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.690293][ T412] CR2: 00007fdacc15c090 CR3: 0000000114599000 CR4: 00000000003506a0 [ 58.698408][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.706533][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.714634][ T412] Call Trace: [ 58.717933][ T412] path_umount+0x1ad/0xed0 [ 58.722662][ T412] __x64_sys_umount+0xe8/0x110 [ 58.727524][ T412] do_syscall_64+0x34/0x70 [ 58.731947][ T412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.737858][ T412] RIP: 0033:0x7f31ebfbb557 [ 58.742259][ T412] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.762373][ T412] RSP: 002b:00007ffc28ee5ea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 58.771060][ T412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f31ebfbb557 [ 58.779153][ T412] RDX: 00007ffc28ee5f79 RSI: 000000000000000a RDI: 00007ffc28ee5f70 [ 58.787132][ T412] RBP: 00007ffc28ee5f70 R08: 00000000ffffffff R09: 00007ffc28ee5d40 [ 58.795220][ T412] R10: 0000555557156ba3 R11: 0000000000000246 R12: 00007f31ec0131f8 [ 58.803388][ T412] R13: 00007ffc28ee7030 R14: 0000555557156b00 R15: 00007ffc28ee7070 [ 58.811375][ T412] ---[ end trace 518ce58d12f1852c ]--- [ 58.817582][ T382] !!! css_release css ffff8881107e7800 !!! [ 58.827616][ T382] !!! css_put is zero set CSS_NO_REF css ffff8881107e7800 !!! [ 58.835823][ T377] !!! css_release css ffff8881107e6800 !!! [ 58.841810][ T377] !!! css_put is zero set CSS_NO_REF css ffff8881107e6800 !!! [ 58.856183][ T591] !!! css_create !!! [ 58.860338][ T591] !!! css_create !!! [ 58.864382][ T591] !!! css_create !!! [ 58.868501][ T591] FAULT_INJECTION: forcing a failure. [ 58.868501][ T591] name failslab, interval 1, probability 0, space 0, times 0 [ 58.881407][ T591] CPU: 1 PID: 591 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 58.892966][ T591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.903535][ T591] Call Trace: [ 58.906838][ T591] dump_stack+0x19c/0x1e2 [ 58.911386][ T591] should_fail+0x3f7/0x5b0 [ 58.915973][ T591] __should_failslab+0xd2/0x130 [ 58.920916][ T591] should_failslab+0x9/0x20 [ 58.925636][ T591] slab_pre_alloc_hook+0x25/0xe0 [ 58.930672][ T591] ? __kernfs_new_node+0x4c/0x6d0 [ 58.936066][ T591] __kmalloc_track_caller+0x70/0x300 [ 58.941355][ T591] ? __kernfs_new_node+0x4c/0x6d0 [ 58.946541][ T591] kstrdup_const+0x55/0x90 [ 58.950946][ T591] __kernfs_new_node+0x4c/0x6d0 [ 58.955800][ T591] ? string+0x29f/0x2b0 [ 58.959968][ T591] ? vsnprintf+0x1a6c/0x1b30 [ 58.964646][ T591] kernfs_new_node+0x97/0x170 [ 58.969417][ T591] __kernfs_create_file+0x4a/0x270 [ 58.974560][ T591] cgroup_addrm_files+0x99e/0xeb0 [ 58.979597][ T591] ? delete_node+0x747/0x7a0 [ 58.984191][ T591] css_populate_dir+0x137/0x370 [ 58.989144][ T591] cgroup_apply_control_enable+0x31e/0xfc0 [ 58.995123][ T591] cgroup_apply_control+0x36/0x710 [ 59.000311][ T591] ? init_wait_entry+0xe0/0xe0 [ 59.005157][ T591] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.010776][ T591] cgroup_subtree_control_write+0xd05/0x12d0 [ 59.016762][ T591] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 59.022877][ T591] cgroup_file_write+0x22f/0x4f0 [ 59.027909][ T591] kernfs_fop_write_iter+0x2cd/0x410 [ 59.033191][ T591] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.038482][ T591] vfs_write+0xb57/0xe50 [ 59.043014][ T591] ksys_write+0x157/0x260 [ 59.047350][ T591] __x64_sys_write+0x7b/0x90 [ 59.051940][ T591] do_syscall_64+0x34/0x70 [ 59.056369][ T591] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.062277][ T591] RIP: 0033:0x7f2357f530e9 [ 59.066684][ 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 [ 59.086465][ T591] RSP: 002b:00007f2357ec9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.094930][ T591] RAX: ffffffffffffffda RBX: 00007f2358065f60 RCX: 00007f2357f530e9 [ 59.102894][ T591] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.111126][ T591] RBP: 00007f2357ec91d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.119208][ T591] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.127404][ T591] R13: 00007ffdc1ab75bf R14: 00007f2357ec9300 R15: 0000000000022000 [ 59.137604][ T591] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 59.144849][ T591] !!! cgroup_apply_control_disable [ 59.150008][ T591] !!! cgroup_apply_control_disable kill_css ffff888110961800 [ 59.157570][ T591] !!! cgroup_apply_control_disable kill_css ffff88810d8b9000 [ 59.165087][ T591] !!! cgroup_apply_control_disable kill_css ffff88810d8bb000 [ 59.184621][ C1] !!! css_killed_ref_fn css ffff888110961800 !!! [ 59.191317][ T445] !!! css_release css ffff888110961800 !!! [ 59.197184][ C1] !!! css_killed_ref_fn css ffff88810d8b9000 !!! [ 59.197203][ C1] !!! css_killed_ref_fn css ffff88810d8bb000 !!! [ 59.210091][ T445] !!! css_put is zero set CSS_NO_REF css ffff888110961800 !!! [ 59.217701][ T19] !!! css_release css ffff88810d8b9000 !!! [ 59.223542][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810d8b9000 !!! [ 59.231725][ T19] !!! css_release css ffff88810d8bb000 !!! [ 59.237838][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810d8bb000 !!! [ 59.245773][ T584] !!! css_create !!! [ 59.250040][ T584] !!! css_create !!! [ 59.254490][ T584] !!! css_create !!! [ 59.259365][ T584] FAULT_INJECTION: forcing a failure. [ 59.259365][ T584] name failslab, interval 1, probability 0, space 0, times 0 [ 59.272476][ T584] CPU: 1 PID: 584 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 59.284301][ T584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.294350][ T584] Call Trace: [ 59.297631][ T584] dump_stack+0x19c/0x1e2 [ 59.302215][ T584] should_fail+0x3f7/0x5b0 [ 59.306618][ T584] __should_failslab+0xd2/0x130 [ 59.311632][ T584] should_failslab+0x9/0x20 [ 59.316120][ T584] slab_pre_alloc_hook+0x25/0xe0 [ 59.321036][ T584] kmem_cache_alloc_trace+0x47/0x2b0 [ 59.326303][ T584] ? percpu_ref_init+0xd0/0x330 [ 59.331136][ T584] percpu_ref_init+0xd0/0x330 [ 59.335889][ T584] ? cgroup_setup_root+0x8a0/0x8a0 [ 59.340998][ T584] cgroup_apply_control_enable+0x49f/0xfc0 [ 59.346811][ T584] cgroup_apply_control+0x36/0x710 [ 59.351941][ T584] ? init_wait_entry+0xe0/0xe0 [ 59.356789][ T584] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.362083][ T584] cgroup_subtree_control_write+0xd05/0x12d0 [ 59.368232][ T584] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 59.374390][ T584] cgroup_file_write+0x22f/0x4f0 [ 59.379310][ T584] kernfs_fop_write_iter+0x2cd/0x410 [ 59.384577][ T584] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.389682][ T584] vfs_write+0xb57/0xe50 [ 59.393912][ T584] ksys_write+0x157/0x260 [ 59.398328][ T584] __x64_sys_write+0x7b/0x90 [ 59.402905][ T584] do_syscall_64+0x34/0x70 [ 59.407339][ T584] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.413306][ T584] RIP: 0033:0x7f056852e0e9 [ 59.417723][ T584] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 59.437404][ T584] RSP: 002b:00007f05684a4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.446072][ T584] RAX: ffffffffffffffda RBX: 00007f0568640f60 RCX: 00007f056852e0e9 [ 59.454036][ T584] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.461990][ T584] RBP: 00007f05684a41d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.469938][ T584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.477942][ T584] R13: 00007ffd2eb533ef R14: 00007f05684a4300 R15: 0000000000022000 [ 59.486190][ T584] !!! cgroup_apply_control_disable [ 59.492612][ T584] !!! cgroup_apply_control_disable kill_css ffff888110964400 [ 59.500473][ T584] !!! cgroup_apply_control_disable kill_css ffff888110967c00 [ 59.532853][ C1] !!! css_killed_ref_fn css ffff888110964400 !!! [ 59.539269][ C1] !!! css_killed_ref_fn css ffff888110967c00 !!! [ 59.545932][ T19] !!! css_release css ffff888110964400 !!! [ 59.551747][ T19] !!! css_put is zero set CSS_NO_REF css ffff888110964400 !!! [ 59.559389][ T19] !!! css_release css ffff888110967c00 !!! [ 59.565479][ T19] !!! css_put is zero set CSS_NO_REF css ffff888110967c00 !!! [ 59.573305][ T578] !!! css_create !!! [ 59.577360][ T578] !!! css_create !!! [ 59.581388][ T578] !!! css_create !!! [ 59.585404][ T578] FAULT_INJECTION: forcing a failure. [ 59.585404][ T578] name failslab, interval 1, probability 0, space 0, times 0 [ 59.598066][ T578] CPU: 1 PID: 578 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 59.609607][ T578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.619663][ T578] Call Trace: [ 59.623295][ T578] dump_stack+0x19c/0x1e2 [ 59.627689][ T578] should_fail+0x3f7/0x5b0 [ 59.632211][ T578] __should_failslab+0xd2/0x130 [ 59.637080][ T578] should_failslab+0x9/0x20 [ 59.641832][ T578] slab_pre_alloc_hook+0x25/0xe0 [ 59.646782][ T578] kmem_cache_alloc_trace+0x47/0x2b0 [ 59.652079][ T578] ? percpu_ref_init+0xd0/0x330 [ 59.656976][ T578] percpu_ref_init+0xd0/0x330 [ 59.661659][ T578] ? cgroup_setup_root+0x8a0/0x8a0 [ 59.666777][ T578] cgroup_apply_control_enable+0x49f/0xfc0 [ 59.672678][ T578] cgroup_apply_control+0x36/0x710 [ 59.677985][ T578] ? init_wait_entry+0xe0/0xe0 [ 59.682948][ T578] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.688536][ T578] cgroup_subtree_control_write+0xd05/0x12d0 [ 59.694600][ T578] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 59.700849][ T578] cgroup_file_write+0x22f/0x4f0 [ 59.705781][ T578] kernfs_fop_write_iter+0x2cd/0x410 [ 59.711145][ T578] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.716486][ T578] vfs_write+0xb57/0xe50 [ 59.720912][ T578] ksys_write+0x157/0x260 [ 59.725276][ T578] __x64_sys_write+0x7b/0x90 [ 59.729869][ T578] do_syscall_64+0x34/0x70 [ 59.734372][ T578] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.740270][ T578] RIP: 0033:0x7fa0a09b40e9 [ 59.744706][ T578] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 59.765034][ T578] RSP: 002b:00007fa0a0909168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.773472][ T578] RAX: ffffffffffffffda RBX: 00007fa0a0ac7030 RCX: 00007fa0a09b40e9 [ 59.781826][ T578] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.789876][ T578] RBP: 00007fa0a09091d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.797842][ T578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.805805][ T578] R13: 00007fffa3e9e33f R14: 00007fa0a0909300 R15: 0000000000022000 [ 59.813886][ T578] !!! cgroup_apply_control_disable [ 59.819082][ T578] !!! cgroup_apply_control_disable kill_css ffff888110966400 [ 59.826582][ T578] !!! cgroup_apply_control_disable kill_css ffff888110966c00 [ 59.872887][ C1] !!! css_killed_ref_fn css ffff888110966400 !!! [ 59.879399][ C1] !!! css_killed_ref_fn css ffff888110966c00 !!! [ 59.885856][ T19] !!! css_release css ffff888110966400 !!! [ 59.891933][ T19] !!! css_put is zero set CSS_NO_REF css ffff888110966400 !!! [ 59.900070][ T19] !!! css_release css ffff888110966c00 !!! [ 59.906377][ T19] !!! css_put is zero set CSS_NO_REF css ffff888110966c00 !!! [ 59.914350][ T598] !!! css_create !!! [ 59.918375][ T598] !!! css_create !!! [ 59.922339][ T598] !!! css_create !!! [ 59.926348][ T598] FAULT_INJECTION: forcing a failure. [ 59.926348][ T598] name failslab, interval 1, probability 0, space 0, times 0 [ 59.939358][ T598] CPU: 1 PID: 598 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 59.951093][ T598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.961320][ T598] Call Trace: [ 59.964625][ T598] dump_stack+0x19c/0x1e2 [ 59.969045][ T598] should_fail+0x3f7/0x5b0 [ 59.973663][ T598] __should_failslab+0xd2/0x130 [ 59.978497][ T598] should_failslab+0x9/0x20 [ 59.982982][ T598] slab_pre_alloc_hook+0x25/0xe0 [ 59.988161][ T598] kmem_cache_alloc_trace+0x47/0x2b0 [ 59.993738][ T598] ? percpu_ref_init+0xd0/0x330 [ 59.998955][ T598] percpu_ref_init+0xd0/0x330 [ 60.003621][ T598] ? cgroup_setup_root+0x8a0/0x8a0 [ 60.009359][ T598] cgroup_apply_control_enable+0x49f/0xfc0 [ 60.015166][ T598] cgroup_apply_control+0x36/0x710 [ 60.020379][ T598] ? init_wait_entry+0xe0/0xe0 [ 60.025158][ T598] ? cgroup_kn_lock_live+0x1af/0x370 [ 60.030430][ T598] cgroup_subtree_control_write+0xd05/0x12d0 [ 60.036398][ T598] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 60.042475][ T598] cgroup_file_write+0x22f/0x4f0 [ 60.047412][ T598] kernfs_fop_write_iter+0x2cd/0x410 [ 60.052874][ T598] ? cgroup_seqfile_stop+0xc0/0xc0 [ 60.058099][ T598] vfs_write+0xb57/0xe50 [ 60.062532][ T598] ksys_write+0x157/0x260 [ 60.066870][ T598] __x64_sys_write+0x7b/0x90 [ 60.071452][ T598] do_syscall_64+0x34/0x70 [ 60.075998][ T598] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.082086][ T598] RIP: 0033:0x7f31ebfba0e9 [ 60.088344][ T598] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 60.108268][ T598] RSP: 002b:00007f31ebf0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.117020][ T598] RAX: ffffffffffffffda RBX: 00007f31ec0cd030 RCX: 00007f31ebfba0e9 [ 60.125157][ T598] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 60.133145][ T598] RBP: 00007f31ebf0f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 60.141110][ T598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.150037][ T598] R13: 00007ffc28ee6d4f R14: 00007f31ebf0f300 R15: 0000000000022000 [ 60.159291][ T598] !!! cgroup_apply_control_disable [ 60.164623][ T598] !!! cgroup_apply_control_disable kill_css ffff888110d26800 [ 60.172287][ T598] !!! cgroup_apply_control_disable kill_css ffff888110d24c00 [ 60.212893][ C1] !!! css_killed_ref_fn css ffff888110d26800 !!! [ 60.219505][ T19] !!! css_release css ffff888110d26800 !!! [ 60.225728][ T19] !!! css_put is zero set CSS_NO_REF css ffff888110d26800 !!! [ 60.232887][ C0] !!! css_killed_ref_fn css ffff888110d24c00 !!! [ 60.240097][ T382] !!! css_release css ffff888110d24c00 !!! [ 60.246003][ T382] !!! css_put is zero set CSS_NO_REF css ffff888110d24c00 !!! [ 60.253708][ T608] !!! css_create !!! [ 60.257746][ T608] !!! css_create !!! [ 60.261765][ T608] !!! css_create !!! [ 60.265848][ T608] FAULT_INJECTION: forcing a failure. [ 60.265848][ T608] name failslab, interval 1, probability 0, space 0, times 0 [ 60.278737][ T608] CPU: 0 PID: 608 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 60.290259][ T608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.300409][ T608] Call Trace: [ 60.303705][ T608] dump_stack+0x19c/0x1e2 [ 60.308020][ T608] should_fail+0x3f7/0x5b0 [ 60.312772][ T608] __should_failslab+0xd2/0x130 [ 60.317720][ T608] should_failslab+0x9/0x20 [ 60.322281][ T608] slab_pre_alloc_hook+0x25/0xe0 [ 60.327228][ T608] ? __kernfs_new_node+0x4c/0x6d0 [ 60.332393][ T608] __kmalloc_track_caller+0x70/0x300 [ 60.337686][ T608] ? __kernfs_new_node+0x4c/0x6d0 [ 60.342809][ T608] kstrdup_const+0x55/0x90 [ 60.347233][ T608] __kernfs_new_node+0x4c/0x6d0 [ 60.352369][ T608] ? string+0x29f/0x2b0 [ 60.357064][ T608] ? vsnprintf+0x1a6c/0x1b30 [ 60.362442][ T608] kernfs_new_node+0x97/0x170 [ 60.367125][ T608] __kernfs_create_file+0x4a/0x270 [ 60.372259][ T608] cgroup_addrm_files+0x99e/0xeb0 [ 60.377387][ T608] ? delete_node+0x747/0x7a0 [ 60.382054][ T608] css_populate_dir+0x137/0x370 [ 60.387338][ T608] cgroup_apply_control_enable+0x31e/0xfc0 [ 60.393138][ T608] cgroup_apply_control+0x36/0x710 [ 60.398271][ T608] ? init_wait_entry+0xe0/0xe0 [ 60.403288][ T608] ? cgroup_kn_lock_live+0x1af/0x370 [ 60.408552][ T608] cgroup_subtree_control_write+0xd05/0x12d0 [ 60.414520][ T608] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 60.420493][ T608] cgroup_file_write+0x22f/0x4f0 [ 60.425522][ T608] kernfs_fop_write_iter+0x2cd/0x410 [ 60.430803][ T608] ? cgroup_seqfile_stop+0xc0/0xc0 [ 60.436430][ T608] vfs_write+0xb57/0xe50 [ 60.440666][ T608] ksys_write+0x157/0x260 [ 60.444983][ T608] __x64_sys_write+0x7b/0x90 [ 60.449745][ T608] do_syscall_64+0x34/0x70 [ 60.454154][ T608] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.460209][ T608] RIP: 0033:0x7fa0a09b40e9 [ 60.464615][ T608] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 60.484297][ T608] RSP: 002b:00007fa0a0909168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.492709][ T608] RAX: ffffffffffffffda RBX: 00007fa0a0ac7030 RCX: 00007fa0a09b40e9 [ 60.500854][ T608] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 60.508823][ T608] RBP: 00007fa0a09091d0 R08: 0000000000000000 R09: 0000000000000000 [ 60.516865][ T608] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.524830][ T608] R13: 00007fffa3e9e33f R14: 00007fa0a0909300 R15: 0000000000022000 [ 60.533043][ T608] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 60.540285][ T608] !!! cgroup_apply_control_disable [ 60.545863][ T608] !!! cgroup_apply_control_disable kill_css ffff88810db3c000 [ 60.553836][ T608] !!! cgroup_apply_control_disable kill_css ffff88810db3d800 [ 60.561784][ T608] !!! cgroup_apply_control_disable kill_css ffff88810db3e400 [ 60.572225][ T416] ------------[ cut here ]------------ [ 60.577750][ T416] WARNING: CPU: 0 PID: 416 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 60.586700][ T416] Modules linked in: [ 60.590633][ T416] CPU: 0 PID: 416 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 60.602393][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.612594][ T416] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 60.618249][ T416] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 60.637887][ T416] RSP: 0018:ffffc90000f27d58 EFLAGS: 00010293 [ 60.643987][ T416] RAX: ffffffff81af043c RBX: ffff88810e842ce0 RCX: ffff8881025f9e80 [ 60.651952][ T416] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 60.659966][ T416] RBP: ffffc90000f27dc8 R08: ffffffff81af0167 R09: fffff520001e4fa3 [ 60.668136][ T416] R10: fffff520001e4fa3 R11: 1ffff920001e4fa2 R12: dffffc0000000000 [ 60.676377][ T416] R13: ffff88810e842c00 R14: 00000000fffffffe R15: 0000000000000000 [ 60.684363][ T416] FS: 00005555572da400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 60.694013][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.700600][ T416] CR2: 00007fffa3e9cd58 CR3: 0000000116a9f000 CR4: 00000000003506b0 [ 60.708687][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.716786][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.724777][ T416] Call Trace: [ 60.728098][ T416] ? init_wait_entry+0xe0/0xe0 [ 60.733077][ T416] ? up_write+0x68/0x140 [ 60.737328][ T416] namespace_unlock+0x377/0x420 [ 60.742346][ T416] path_umount+0xe23/0xed0 [ 60.746798][ T416] __x64_sys_umount+0xe8/0x110 [ 60.751556][ T416] do_syscall_64+0x34/0x70 [ 60.756039][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.762355][ T416] RIP: 0033:0x7fa0a09b5557 [ 60.767813][ T416] 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 [ 60.787423][ T416] RSP: 002b:00007fffa3e9d498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 60.797846][ T416] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa0a09b5557 [ 60.805830][ T416] RDX: 00007fffa3e9d569 RSI: 000000000000000a RDI: 00007fffa3e9d560 [ 60.813907][ T416] RBP: 00007fffa3e9d560 R08: 00000000ffffffff R09: 00007fffa3e9d330 [ 60.822054][ T416] R10: 00005555572dbba3 R11: 0000000000000246 R12: 00007fa0a0a0d1f8 [ 60.830295][ T416] R13: 00007fffa3e9e620 R14: 00005555572dbb00 R15: 00007fffa3e9e660 [ 60.838729][ T416] ---[ end trace 518ce58d12f1852d ]--- [ 60.844400][ T416] ------------[ cut here ]------------ [ 60.850031][ T416] WARNING: CPU: 0 PID: 416 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 60.859194][ T416] Modules linked in: [ 60.863274][ C0] !!! css_killed_ref_fn css ffff88810db3c000 !!! [ 60.863309][ C0] !!! css_killed_ref_fn css ffff88810db3d800 !!! [ 60.876117][ T416] CPU: 0 PID: 416 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 60.887835][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.898115][ T416] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 60.903935][ T416] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 60.923728][ T416] RSP: 0018:ffffc90000f27dd0 EFLAGS: 00010293 [ 60.929906][ T416] RAX: ffffffff81af043c RBX: ffff88810e842ce0 RCX: ffff8881025f9e80 [ 60.938061][ T416] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 60.946248][ T416] RBP: ffffc90000f27e40 R08: ffffffff81af0167 R09: fffff520001e4fb2 [ 60.954250][ T416] R10: fffff520001e4fb2 R11: 1ffff920001e4fb1 R12: dffffc0000000000 [ 60.962224][ T416] R13: ffff88810e842c00 R14: 00000000fffffffd R15: 0000000000000000 [ 60.970394][ T416] FS: 00005555572da400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 60.979612][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.986316][ T416] CR2: 00007fffa3e9cd58 CR3: 0000000116a9f000 CR4: 00000000003506b0 [ 60.994484][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.002706][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.010907][ T416] Call Trace: [ 61.014219][ T416] path_umount+0x1ad/0xed0 [ 61.018785][ T416] __x64_sys_umount+0xe8/0x110 [ 61.023576][ T416] do_syscall_64+0x34/0x70 [ 61.027984][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.033882][ T416] RIP: 0033:0x7fa0a09b5557 [ 61.038399][ T416] 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 [ 61.058324][ T416] RSP: 002b:00007fffa3e9d498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 61.066831][ T416] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa0a09b5557 [ 61.074810][ T416] RDX: 00007fffa3e9d569 RSI: 000000000000000a RDI: 00007fffa3e9d560 [ 61.082887][ T416] RBP: 00007fffa3e9d560 R08: 00000000ffffffff R09: 00007fffa3e9d330 [ 61.090843][ T416] R10: 00005555572dbba3 R11: 0000000000000246 R12: 00007fa0a0a0d1f8 [ 61.099029][ T416] R13: 00007fffa3e9e620 R14: 00005555572dbb00 R15: 00007fffa3e9e660 [ 61.107112][ T416] ---[ end trace 518ce58d12f1852e ]--- [ 61.112634][ T382] !!! css_release css ffff88810db3c000 !!! [ 61.121868][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810db3c000 !!! [ 61.129805][ C0] !!! css_killed_ref_fn css ffff88810db3e400 !!! [ 61.136474][ T377] !!! css_release css ffff88810db3d800 !!! [ 61.142283][ T377] !!! css_put is zero set CSS_NO_REF css ffff88810db3d800 !!! [ 61.150090][ T382] !!! css_release css ffff88810db3e400 !!! [ 61.156395][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810db3e400 !!! [ 61.164369][ T605] !!! css_create !!! [ 61.168824][ T605] !!! css_create !!! [ 61.173035][ T605] !!! css_create !!! [ 61.177060][ T605] FAULT_INJECTION: forcing a failure. [ 61.177060][ T605] name failslab, interval 1, probability 0, space 0, times 0 [ 61.190607][ T605] CPU: 0 PID: 605 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 61.202653][ T605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.213138][ T605] Call Trace: [ 61.216436][ T605] dump_stack+0x19c/0x1e2 [ 61.220750][ T605] should_fail+0x3f7/0x5b0 [ 61.225342][ T605] __should_failslab+0xd2/0x130 [ 61.230182][ T605] should_failslab+0x9/0x20 [ 61.234682][ T605] slab_pre_alloc_hook+0x25/0xe0 [ 61.239618][ T605] ? __kernfs_new_node+0x4c/0x6d0 [ 61.244628][ T605] __kmalloc_track_caller+0x70/0x300 [ 61.249919][ T605] ? __kernfs_new_node+0x4c/0x6d0 [ 61.255286][ T605] kstrdup_const+0x55/0x90 [ 61.259700][ T605] __kernfs_new_node+0x4c/0x6d0 [ 61.264641][ T605] ? string+0x29f/0x2b0 [ 61.268783][ T605] ? vsnprintf+0x1a6c/0x1b30 [ 61.273463][ T605] kernfs_new_node+0x97/0x170 [ 61.278209][ T605] __kernfs_create_file+0x4a/0x270 [ 61.283310][ T605] cgroup_addrm_files+0x99e/0xeb0 [ 61.288846][ T605] ? delete_node+0x747/0x7a0 [ 61.293428][ T605] css_populate_dir+0x137/0x370 [ 61.298261][ T605] cgroup_apply_control_enable+0x31e/0xfc0 [ 61.304053][ T605] cgroup_apply_control+0x36/0x710 [ 61.309527][ T605] ? init_wait_entry+0xe0/0xe0 [ 61.314276][ T605] ? cgroup_kn_lock_live+0x1af/0x370 [ 61.319641][ T605] cgroup_subtree_control_write+0xd05/0x12d0 [ 61.326075][ T605] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 61.332295][ T605] cgroup_file_write+0x22f/0x4f0 [ 61.337319][ T605] kernfs_fop_write_iter+0x2cd/0x410 [ 61.342626][ T605] ? cgroup_seqfile_stop+0xc0/0xc0 [ 61.347963][ T605] vfs_write+0xb57/0xe50 [ 61.352198][ T605] ksys_write+0x157/0x260 [ 61.356514][ T605] __x64_sys_write+0x7b/0x90 [ 61.361199][ T605] do_syscall_64+0x34/0x70 [ 61.365642][ T605] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.371622][ T605] RIP: 0033:0x7fdacc0480e9 [ 61.376039][ 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 [ 61.395647][ T605] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.404149][ T605] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 61.412445][ T605] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 61.420776][ T605] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 61.429087][ T605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.437425][ T605] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 61.445970][ T605] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 61.453248][ T605] !!! cgroup_apply_control_disable [ 61.458469][ T605] !!! cgroup_apply_control_disable kill_css ffff88810db3f800 [ 61.466353][ T605] !!! cgroup_apply_control_disable kill_css ffff88810db3f400 [ 61.473962][ T605] !!! cgroup_apply_control_disable kill_css ffff88810db3e000 [ 61.522874][ C0] !!! css_killed_ref_fn css ffff88810db3f800 !!! [ 61.529873][ T382] !!! css_release css ffff88810db3f800 !!! [ 61.536296][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810db3f800 !!! [ 61.602915][ C1] !!! css_killed_ref_fn css ffff88810db3f400 !!! [ 61.609379][ C1] !!! css_killed_ref_fn css ffff88810db3e000 !!! [ 61.616129][ T19] !!! css_release css ffff88810db3f400 !!! [ 61.622043][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810db3f400 !!! [ 61.629912][ T19] !!! css_release css ffff88810db3e000 !!! [ 61.635929][ T19] !!! css_put is zero set CSS_NO_REF css ffff88810db3e000 !!! [ 61.643478][ T579] !!! css_create !!! [ 61.647513][ T579] !!! css_create !!! [ 61.651426][ T579] !!! css_create !!! [ 61.655475][ T579] FAULT_INJECTION: forcing a failure. [ 61.655475][ T579] name failslab, interval 1, probability 0, space 0, times 0 [ 61.668186][ T579] CPU: 1 PID: 579 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 61.679816][ T579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.690149][ T579] Call Trace: [ 61.693459][ T579] dump_stack+0x19c/0x1e2 [ 61.697781][ T579] should_fail+0x3f7/0x5b0 [ 61.702533][ T579] __should_failslab+0xd2/0x130 [ 61.708629][ T579] should_failslab+0x9/0x20 [ 61.713237][ T579] slab_pre_alloc_hook+0x25/0xe0 [ 61.718175][ T579] ? __kernfs_new_node+0x4c/0x6d0 [ 61.723285][ T579] __kmalloc_track_caller+0x70/0x300 [ 61.728562][ T579] ? __kernfs_new_node+0x4c/0x6d0 [ 61.733580][ T579] kstrdup_const+0x55/0x90 [ 61.737995][ T579] __kernfs_new_node+0x4c/0x6d0 [ 61.742925][ T579] ? string+0x29f/0x2b0 [ 61.747094][ T579] ? vsnprintf+0x1a6c/0x1b30 [ 61.752151][ T579] kernfs_new_node+0x97/0x170 [ 61.757006][ T579] __kernfs_create_file+0x4a/0x270 [ 61.762191][ T579] cgroup_addrm_files+0x99e/0xeb0 [ 61.767215][ T579] ? delete_node+0x747/0x7a0 [ 61.771791][ T579] css_populate_dir+0x137/0x370 [ 61.776633][ T579] cgroup_apply_control_enable+0x31e/0xfc0 [ 61.782424][ T579] cgroup_apply_control+0x36/0x710 [ 61.787694][ T579] ? init_wait_entry+0xe0/0xe0 [ 61.792539][ T579] ? cgroup_kn_lock_live+0x1af/0x370 [ 61.797822][ T579] cgroup_subtree_control_write+0xd05/0x12d0 [ 61.803983][ T579] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 61.810050][ T579] cgroup_file_write+0x22f/0x4f0 [ 61.815678][ T579] kernfs_fop_write_iter+0x2cd/0x410 [ 61.821038][ T579] ? cgroup_seqfile_stop+0xc0/0xc0 [ 61.826159][ T579] vfs_write+0xb57/0xe50 [ 61.830407][ T579] ksys_write+0x157/0x260 [ 61.834752][ T579] __x64_sys_write+0x7b/0x90 [ 61.839324][ T579] do_syscall_64+0x34/0x70 [ 61.843725][ T579] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.849617][ T579] RIP: 0033:0x7f5ac10b50e9 [ 61.854018][ 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 [ 61.874798][ T579] RSP: 002b:00007f5ac100a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.883193][ T579] RAX: ffffffffffffffda RBX: 00007f5ac11c8030 RCX: 00007f5ac10b50e9 [ 61.891340][ T579] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 61.899293][ T579] RBP: 00007f5ac100a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 61.907435][ T579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.915421][ T579] R13: 00007ffde09f36cf R14: 00007f5ac100a300 R15: 0000000000022000 [ 61.923877][ T579] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 61.931028][ T579] !!! cgroup_apply_control_disable [ 61.936564][ T579] !!! cgroup_apply_control_disable kill_css ffff888110f95c00 [ 61.944017][ T579] !!! cgroup_apply_control_disable kill_css ffff888110f97000 [ 61.952013][ T579] !!! cgroup_apply_control_disable kill_css ffff888110f95000 [ 61.982907][ C1] !!! css_killed_ref_fn css ffff888110f95c00 !!! [ 61.989489][ C1] !!! css_killed_ref_fn css ffff888110f97000 !!! [ 61.996081][ T19] !!! css_release css ffff888110f95c00 !!! [ 62.002101][ T19] !!! css_put is zero set CSS_NO_REF css ffff888110f95c00 !!! [ 62.009810][ C1] !!! css_killed_ref_fn css ffff888110f95000 !!! [ 62.016903][ T19] !!! css_release css ffff888110f97000 !!! [ 62.023763][ T19] !!! css_put is zero set CSS_NO_REF css ffff888110f97000 !!! [ 62.031643][ T19] !!! css_release css ffff888110f95000 !!! [ 62.037739][ T19] !!! css_put is zero set CSS_NO_REF css ffff888110f95000 !!! [ 62.045735][ T619] !!! css_create !!! [ 62.049973][ T619] !!! css_create !!! [ 62.054228][ T619] !!! css_create !!! [ 62.058159][ T619] FAULT_INJECTION: forcing a failure. [ 62.058159][ T619] name failslab, interval 1, probability 0, space 0, times 0 [ 62.071252][ T619] CPU: 1 PID: 619 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 62.083219][ T619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.093356][ T619] Call Trace: [ 62.096642][ T619] dump_stack+0x19c/0x1e2 [ 62.100982][ T619] should_fail+0x3f7/0x5b0 [ 62.105506][ T619] __should_failslab+0xd2/0x130 [ 62.110573][ T619] should_failslab+0x9/0x20 [ 62.115086][ T619] slab_pre_alloc_hook+0x25/0xe0 [ 62.120020][ T619] ? __kernfs_new_node+0x4c/0x6d0 [ 62.125120][ T619] __kmalloc_track_caller+0x70/0x300 [ 62.130535][ T619] ? __kernfs_new_node+0x4c/0x6d0 [ 62.135555][ T619] kstrdup_const+0x55/0x90 [ 62.140131][ T619] __kernfs_new_node+0x4c/0x6d0 [ 62.145157][ T619] ? string+0x29f/0x2b0 [ 62.149328][ T619] ? vsnprintf+0x1a6c/0x1b30 [ 62.153921][ T619] kernfs_new_node+0x97/0x170 [ 62.158593][ T619] __kernfs_create_file+0x4a/0x270 [ 62.163771][ T619] cgroup_addrm_files+0x99e/0xeb0 [ 62.168879][ T619] ? delete_node+0x747/0x7a0 [ 62.173795][ T619] css_populate_dir+0x137/0x370 [ 62.178625][ T619] cgroup_apply_control_enable+0x31e/0xfc0 [ 62.184425][ T619] cgroup_apply_control+0x36/0x710 [ 62.189621][ T619] ? init_wait_entry+0xe0/0xe0 [ 62.194365][ T619] ? cgroup_kn_lock_live+0x1af/0x370 [ 62.199717][ T619] cgroup_subtree_control_write+0xd05/0x12d0 [ 62.205766][ T619] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 62.211831][ T619] cgroup_file_write+0x22f/0x4f0 [ 62.216904][ T619] kernfs_fop_write_iter+0x2cd/0x410 [ 62.222192][ T619] ? cgroup_seqfile_stop+0xc0/0xc0 [ 62.227389][ T619] vfs_write+0xb57/0xe50 [ 62.231641][ T619] ksys_write+0x157/0x260 [ 62.235978][ T619] __x64_sys_write+0x7b/0x90 [ 62.240739][ T619] do_syscall_64+0x34/0x70 [ 62.245330][ T619] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.251626][ T619] RIP: 0033:0x7f31ebfba0e9 [ 62.256028][ T619] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 62.275619][ T619] RSP: 002b:00007f31ebf0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.284116][ T619] RAX: ffffffffffffffda RBX: 00007f31ec0cd030 RCX: 00007f31ebfba0e9 [ 62.292102][ T619] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 62.300589][ T619] RBP: 00007f31ebf0f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 62.308646][ T619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.316707][ T619] R13: 00007ffc28ee6d4f R14: 00007f31ebf0f300 R15: 0000000000022000 [ 62.327204][ T619] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 62.334650][ T619] !!! cgroup_apply_control_disable [ 62.339874][ T619] !!! cgroup_apply_control_disable kill_css ffff88811130cc00 [ 62.347735][ T619] !!! cgroup_apply_control_disable kill_css ffff8881113a3400 [ 62.355473][ T619] !!! cgroup_apply_control_disable kill_css ffff8881113a3800 [ 62.382871][ C0] !!! css_killed_ref_fn css ffff88811130cc00 !!! [ 62.389346][ T79] !!! css_release css ffff88811130cc00 !!! [ 62.395438][ T79] !!! css_put is zero set CSS_NO_REF css ffff88811130cc00 !!! [ 62.395538][ C1] !!! css_killed_ref_fn css ffff8881113a3400 !!! [ 62.403116][ C0] !!! css_killed_ref_fn css ffff8881113a3800 !!! [ 62.403662][ T79] !!! css_release css ffff8881113a3800 !!! [ 62.422046][ T79] !!! css_put is zero set CSS_NO_REF css ffff8881113a3800 !!! [ 62.430103][ T19] !!! css_release css ffff8881113a3400 !!! [ 62.436267][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881113a3400 !!! [ 62.444095][ T604] !!! css_create !!! [ 62.448394][ T604] !!! css_create !!! [ 62.452910][ T604] !!! css_create !!! [ 62.456894][ T604] FAULT_INJECTION: forcing a failure. [ 62.456894][ T604] name failslab, interval 1, probability 0, space 0, times 0 [ 62.470247][ T604] CPU: 1 PID: 604 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 62.481868][ T604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.492229][ T604] Call Trace: [ 62.495517][ T604] dump_stack+0x19c/0x1e2 [ 62.499924][ T604] should_fail+0x3f7/0x5b0 [ 62.504683][ T604] __should_failslab+0xd2/0x130 [ 62.509672][ T604] should_failslab+0x9/0x20 [ 62.514168][ T604] slab_pre_alloc_hook+0x25/0xe0 [ 62.519091][ T604] kmem_cache_alloc_trace+0x47/0x2b0 [ 62.524364][ T604] ? pids_css_alloc+0x4e/0x120 [ 62.529112][ T604] pids_css_alloc+0x4e/0x120 [ 62.533776][ T604] cgroup_apply_control_enable+0x44e/0xfc0 [ 62.539600][ T604] cgroup_apply_control+0x36/0x710 [ 62.544695][ T604] ? init_wait_entry+0xe0/0xe0 [ 62.549451][ T604] ? cgroup_kn_lock_live+0x1af/0x370 [ 62.554805][ T604] cgroup_subtree_control_write+0xd05/0x12d0 [ 62.560788][ T604] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 62.566978][ T604] cgroup_file_write+0x22f/0x4f0 [ 62.572080][ T604] kernfs_fop_write_iter+0x2cd/0x410 [ 62.577371][ T604] ? cgroup_seqfile_stop+0xc0/0xc0 [ 62.582698][ T604] vfs_write+0xb57/0xe50 [ 62.586970][ T604] ksys_write+0x157/0x260 [ 62.591517][ T604] __x64_sys_write+0x7b/0x90 [ 62.596362][ T604] do_syscall_64+0x34/0x70 [ 62.600782][ T604] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.606672][ T604] RIP: 0033:0x7f2357f530e9 [ 62.611080][ 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 [ 62.631671][ T604] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.640397][ T604] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 62.648366][ T604] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 62.656938][ T604] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 62.664916][ T604] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.672973][ T604] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 62.681316][ T604] !!! cgroup_apply_control_disable [ 62.687050][ T604] !!! cgroup_apply_control_disable kill_css ffff88810dc4ec00 [ 62.695012][ T604] !!! cgroup_apply_control_disable kill_css ffff88810dc4e400 [ 62.722918][ C0] !!! css_killed_ref_fn css ffff88810dc4ec00 !!! [ 62.729689][ T79] !!! css_release css ffff88810dc4ec00 !!! [ 62.735970][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810dc4ec00 !!! [ 62.743973][ C0] !!! css_killed_ref_fn css ffff88810dc4e400 !!! [ 62.751039][ T79] !!! css_release css ffff88810dc4e400 !!! [ 62.757307][ T79] !!! css_put is zero set CSS_NO_REF css ffff88810dc4e400 !!! [ 62.765850][ T621] !!! css_create !!! [ 62.770261][ T621] !!! css_create !!! [ 62.775315][ T621] !!! css_create !!! [ 62.779312][ T621] FAULT_INJECTION: forcing a failure. [ 62.779312][ T621] name failslab, interval 1, probability 0, space 0, times 0 [ 62.792969][ T621] CPU: 1 PID: 621 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 62.805995][ T621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.816566][ T621] Call Trace: [ 62.819880][ T621] dump_stack+0x19c/0x1e2 [ 62.824231][ T621] should_fail+0x3f7/0x5b0 [ 62.828632][ T621] __should_failslab+0xd2/0x130 [ 62.833509][ T621] should_failslab+0x9/0x20 [ 62.838145][ T621] slab_pre_alloc_hook+0x25/0xe0 [ 62.843094][ T621] ? __kernfs_new_node+0x4c/0x6d0 [ 62.848112][ T621] __kmalloc_track_caller+0x70/0x300 [ 62.853401][ T621] ? __kernfs_new_node+0x4c/0x6d0 [ 62.858846][ T621] kstrdup_const+0x55/0x90 [ 62.863249][ T621] __kernfs_new_node+0x4c/0x6d0 [ 62.868092][ T621] ? string+0x29f/0x2b0 [ 62.872401][ T621] ? vsnprintf+0x1a6c/0x1b30 [ 62.876974][ T621] kernfs_new_node+0x97/0x170 [ 62.881732][ T621] __kernfs_create_file+0x4a/0x270 [ 62.887194][ T621] cgroup_addrm_files+0x99e/0xeb0 [ 62.892475][ T621] ? delete_node+0x747/0x7a0 [ 62.897231][ T621] css_populate_dir+0x137/0x370 [ 62.902365][ T621] cgroup_apply_control_enable+0x31e/0xfc0 [ 62.908257][ T621] cgroup_apply_control+0x36/0x710 [ 62.913388][ T621] ? init_wait_entry+0xe0/0xe0 [ 62.918172][ T621] ? cgroup_kn_lock_live+0x1af/0x370 [ 62.923442][ T621] cgroup_subtree_control_write+0xd05/0x12d0 [ 62.929497][ T621] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 62.935460][ T621] cgroup_file_write+0x22f/0x4f0 [ 62.940476][ T621] kernfs_fop_write_iter+0x2cd/0x410 [ 62.945751][ T621] ? cgroup_seqfile_stop+0xc0/0xc0 [ 62.950960][ T621] vfs_write+0xb57/0xe50 [ 62.955355][ T621] ksys_write+0x157/0x260 [ 62.959763][ T621] __x64_sys_write+0x7b/0x90 [ 62.964347][ T621] do_syscall_64+0x34/0x70 [ 62.968744][ T621] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.975142][ T621] RIP: 0033:0x7fa0a09b40e9 [ 62.979543][ 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 [ 63.001256][ T621] RSP: 002b:00007fa0a0909168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.010404][ T621] RAX: ffffffffffffffda RBX: 00007fa0a0ac7030 RCX: 00007fa0a09b40e9 [ 63.018975][ T621] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 63.027333][ T621] RBP: 00007fa0a09091d0 R08: 0000000000000000 R09: 0000000000000000 [ 63.035489][ T621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.043879][ T621] R13: 00007fffa3e9e33f R14: 00007fa0a0909300 R15: 0000000000022000 [ 63.053046][ T621] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 63.060388][ T621] !!! cgroup_apply_control_disable [ 63.065772][ T621] !!! cgroup_apply_control_disable kill_css ffff88810ddce000 [ 63.073442][ T621] !!! cgroup_apply_control_disable kill_css ffff88810ddcec00 [ 63.081050][ T621] !!! cgroup_apply_control_disable kill_css ffff8881110d6800 [ 63.096323][ C1] !!! css_killed_ref_fn css ffff88810ddce000 !!! [ 63.102758][ C1] !!! css_killed_ref_fn css ffff88810ddcec00 !!! [ 63.109275][ T445] !!! css_release css ffff88810ddce000 !!! [ 63.115218][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810ddce000 !!! [ 63.122681][ T445] !!! css_release css ffff88810ddcec00 !!! [ 63.128818][ C1] !!! css_killed_ref_fn css ffff8881110d6800 !!! [ 63.135323][ T445] !!! css_put is zero set CSS_NO_REF css ffff88810ddcec00 !!! [ 63.143419][ T19] !!! css_release css ffff8881110d6800 !!! [ 63.150028][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881110d6800 !!! [ 63.158277][ T623] !!! css_create !!! [ 63.162332][ T623] !!! css_create !!! [ 63.166511][ T623] !!! css_create !!! [ 63.170518][ T623] FAULT_INJECTION: forcing a failure. [ 63.170518][ T623] name failslab, interval 1, probability 0, space 0, times 0 [ 63.183463][ T623] CPU: 1 PID: 623 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 63.195111][ T623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.205637][ T623] Call Trace: [ 63.209007][ T623] dump_stack+0x19c/0x1e2 [ 63.213382][ T623] should_fail+0x3f7/0x5b0 [ 63.217828][ T623] __should_failslab+0xd2/0x130 [ 63.222875][ T623] should_failslab+0x9/0x20 [ 63.227473][ T623] slab_pre_alloc_hook+0x25/0xe0 [ 63.232501][ T623] ? __kernfs_new_node+0x4c/0x6d0 [ 63.237524][ T623] __kmalloc_track_caller+0x70/0x300 [ 63.242812][ T623] ? __kernfs_new_node+0x4c/0x6d0 [ 63.247896][ T623] kstrdup_const+0x55/0x90 [ 63.252399][ T623] __kernfs_new_node+0x4c/0x6d0 [ 63.257346][ T623] ? string+0x29f/0x2b0 [ 63.261794][ T623] ? vsnprintf+0x1a6c/0x1b30 [ 63.266382][ T623] kernfs_new_node+0x97/0x170 [ 63.271084][ T623] __kernfs_create_file+0x4a/0x270 [ 63.277018][ T623] cgroup_addrm_files+0x99e/0xeb0 [ 63.282604][ T623] ? delete_node+0x747/0x7a0 [ 63.288164][ T623] css_populate_dir+0x137/0x370 [ 63.293097][ T623] cgroup_apply_control_enable+0x31e/0xfc0 [ 63.299242][ T623] cgroup_apply_control+0x36/0x710 [ 63.304477][ T623] ? init_wait_entry+0xe0/0xe0 [ 63.309321][ T623] ? cgroup_kn_lock_live+0x1af/0x370 [ 63.314602][ T623] cgroup_subtree_control_write+0xd05/0x12d0 [ 63.320665][ T623] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 63.326999][ T623] cgroup_file_write+0x22f/0x4f0 [ 63.332195][ T623] kernfs_fop_write_iter+0x2cd/0x410 [ 63.337487][ T623] ? cgroup_seqfile_stop+0xc0/0xc0 [ 63.342631][ T623] vfs_write+0xb57/0xe50 [ 63.347092][ T623] ksys_write+0x157/0x260 [ 63.351516][ T623] __x64_sys_write+0x7b/0x90 [ 63.356334][ T623] do_syscall_64+0x34/0x70 [ 63.360834][ T623] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.366737][ T623] RIP: 0033:0x7f5ac10b50e9 [ 63.371269][ T623] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 63.390865][ T623] RSP: 002b:00007f5ac100a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.399549][ T623] RAX: ffffffffffffffda RBX: 00007f5ac11c8030 RCX: 00007f5ac10b50e9 [ 63.407907][ T623] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 63.415909][ T623] RBP: 00007f5ac100a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 63.424048][ T623] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 2022/05/31 19:00:36 executed programs: 68 [ 63.432023][ T623] R13: 00007ffde09f36cf R14: 00007f5ac100a300 R15: 0000000000022000 [ 63.441649][ T623] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 63.449625][ T623] !!! cgroup_apply_control_disable [ 63.455839][ T623] !!! cgroup_apply_control_disable kill_css ffff88811113a400 [ 63.463700][ T623] !!! cgroup_apply_control_disable kill_css ffff88811113ac00 [ 63.471651][ T623] !!! cgroup_apply_control_disable kill_css ffff888111139800 [ 63.502900][ C0] !!! css_killed_ref_fn css ffff88811113a400 !!! [ 63.509545][ C0] !!! css_killed_ref_fn css ffff88811113ac00 !!! [ 63.515980][ T377] !!! css_release css ffff88811113a400 !!! [ 63.522095][ T377] !!! css_put is zero set CSS_NO_REF css ffff88811113a400 !!! [ 63.529746][ C0] !!! css_killed_ref_fn css ffff888111139800 !!! [ 63.536372][ T377] !!! css_release css ffff88811113ac00 !!! [ 63.542271][ T377] !!! css_put is zero set CSS_NO_REF css ffff88811113ac00 !!! [ 63.550424][ T377] !!! css_release css ffff888111139800 !!! [ 63.556636][ T377] !!! css_put is zero set CSS_NO_REF css ffff888111139800 !!! [ 63.564543][ T622] !!! css_create !!! [ 63.568538][ T622] !!! css_create !!! [ 63.572575][ T622] !!! css_create !!! [ 63.576711][ T622] FAULT_INJECTION: forcing a failure. [ 63.576711][ T622] name failslab, interval 1, probability 0, space 0, times 0 [ 63.589725][ T622] CPU: 1 PID: 622 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 63.601536][ T622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.611929][ T622] Call Trace: [ 63.615403][ T622] dump_stack+0x19c/0x1e2 [ 63.619732][ T622] should_fail+0x3f7/0x5b0 [ 63.624871][ T622] __should_failslab+0xd2/0x130 [ 63.629835][ T622] should_failslab+0x9/0x20 [ 63.634954][ T622] slab_pre_alloc_hook+0x25/0xe0 [ 63.639985][ T622] ? __kernfs_new_node+0x4c/0x6d0 [ 63.645010][ T622] __kmalloc_track_caller+0x70/0x300 [ 63.650517][ T622] ? __kernfs_new_node+0x4c/0x6d0 [ 63.655535][ T622] kstrdup_const+0x55/0x90 [ 63.659939][ T622] __kernfs_new_node+0x4c/0x6d0 [ 63.665087][ T622] ? string+0x29f/0x2b0 [ 63.669337][ T622] ? vsnprintf+0x1a6c/0x1b30 [ 63.673996][ T622] kernfs_new_node+0x97/0x170 [ 63.678704][ T622] __kernfs_create_file+0x4a/0x270 [ 63.683988][ T622] cgroup_addrm_files+0x99e/0xeb0 [ 63.689267][ T622] ? delete_node+0x747/0x7a0 [ 63.694196][ T622] css_populate_dir+0x137/0x370 [ 63.699052][ T622] cgroup_apply_control_enable+0x31e/0xfc0 [ 63.705124][ T622] cgroup_apply_control+0x36/0x710 [ 63.710241][ T622] ? init_wait_entry+0xe0/0xe0 [ 63.714993][ T622] ? cgroup_kn_lock_live+0x1af/0x370 [ 63.720277][ T622] cgroup_subtree_control_write+0xd05/0x12d0 [ 63.726432][ T622] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 63.732983][ T622] cgroup_file_write+0x22f/0x4f0 [ 63.738188][ T622] kernfs_fop_write_iter+0x2cd/0x410 [ 63.743937][ T622] ? cgroup_seqfile_stop+0xc0/0xc0 [ 63.749165][ T622] vfs_write+0xb57/0xe50 [ 63.753450][ T622] ksys_write+0x157/0x260 [ 63.757768][ T622] __x64_sys_write+0x7b/0x90 [ 63.762361][ T622] do_syscall_64+0x34/0x70 [ 63.766952][ T622] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.772923][ T622] RIP: 0033:0x7f056852e0e9 [ 63.777339][ T622] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 63.797644][ T622] RSP: 002b:00007f0568483168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.806242][ T622] RAX: ffffffffffffffda RBX: 00007f0568641030 RCX: 00007f056852e0e9 [ 63.814189][ T622] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 63.822233][ T622] RBP: 00007f05684831d0 R08: 0000000000000000 R09: 0000000000000000 [ 63.830284][ T622] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.838444][ T622] R13: 00007ffd2eb533ef R14: 00007f0568483300 R15: 0000000000022000 [ 63.847340][ T622] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 63.854573][ T622] !!! cgroup_apply_control_disable [ 63.859858][ T622] !!! cgroup_apply_control_disable kill_css ffff888111628800 [ 63.867449][ T622] !!! cgroup_apply_control_disable kill_css ffff88811162a400 [ 63.875061][ T622] !!! cgroup_apply_control_disable kill_css ffff888111616000 [ 63.883471][ C1] !!! css_killed_ref_fn css ffff888111628800 !!! [ 63.890111][ T445] !!! css_release css ffff888111628800 !!! [ 63.896039][ T445] !!! css_put is zero set CSS_NO_REF css ffff888111628800 !!! [ 63.896177][ C0] !!! css_killed_ref_fn css ffff88811162a400 !!! [ 63.910013][ C0] !!! css_killed_ref_fn css ffff888111616000 !!! [ 63.916542][ T79] !!! css_release css ffff88811162a400 !!! [ 63.922448][ T79] !!! css_put is zero set CSS_NO_REF css ffff88811162a400 !!! [ 63.933359][ T79] !!! css_release css ffff888111616000 !!! [ 63.939209][ T79] !!! css_put is zero set CSS_NO_REF css ffff888111616000 !!! [ 63.947037][ T620] !!! css_create !!! [ 63.951064][ T620] !!! css_create !!! [ 63.955458][ T620] FAULT_INJECTION: forcing a failure. [ 63.955458][ T620] name failslab, interval 1, probability 0, space 0, times 0 [ 63.968310][ T620] CPU: 1 PID: 620 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 63.979957][ T620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.990260][ T620] Call Trace: [ 63.993626][ T620] dump_stack+0x19c/0x1e2 [ 63.998159][ T620] should_fail+0x3f7/0x5b0 [ 64.002580][ T620] __should_failslab+0xd2/0x130 [ 64.007534][ T620] ? __kernfs_new_node+0x97/0x6d0 [ 64.012633][ T620] should_failslab+0x9/0x20 [ 64.017126][ T620] slab_pre_alloc_hook+0x25/0xe0 [ 64.022061][ T620] ? __kernfs_new_node+0x97/0x6d0 [ 64.027184][ T620] kmem_cache_alloc+0x40/0x2a0 [ 64.031932][ T620] __kernfs_new_node+0x97/0x6d0 [ 64.036867][ T620] ? string+0x29f/0x2b0 [ 64.041089][ T620] ? vsnprintf+0x1a6c/0x1b30 [ 64.045686][ T620] kernfs_new_node+0x97/0x170 [ 64.050356][ T620] __kernfs_create_file+0x4a/0x270 [ 64.055710][ T620] cgroup_addrm_files+0x99e/0xeb0 [ 64.060714][ T620] css_populate_dir+0x137/0x370 [ 64.065734][ T620] cgroup_apply_control_enable+0x31e/0xfc0 [ 64.071539][ T620] cgroup_apply_control+0x36/0x710 [ 64.076727][ T620] ? init_wait_entry+0xe0/0xe0 [ 64.081520][ T620] ? cgroup_kn_lock_live+0x1af/0x370 [ 64.086940][ T620] cgroup_subtree_control_write+0xd05/0x12d0 [ 64.092905][ T620] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 64.099053][ T620] cgroup_file_write+0x22f/0x4f0 [ 64.103980][ T620] kernfs_fop_write_iter+0x2cd/0x410 [ 64.109236][ T620] ? cgroup_seqfile_stop+0xc0/0xc0 [ 64.114493][ T620] vfs_write+0xb57/0xe50 [ 64.118718][ T620] ksys_write+0x157/0x260 [ 64.123195][ T620] __x64_sys_write+0x7b/0x90 [ 64.127763][ T620] do_syscall_64+0x34/0x70 [ 64.132163][ T620] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.138426][ T620] RIP: 0033:0x7fdacc0480e9 [ 64.142870][ T620] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 64.162560][ T620] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.171256][ T620] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 64.179213][ T620] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 64.187340][ T620] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 64.195464][ T620] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 64.203426][ T620] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 64.212275][ T620] cgroup: cgroup_addrm_files: failed to add events, err=-12 [ 64.219773][ T620] !!! cgroup_apply_control_disable [ 64.225169][ T620] !!! cgroup_apply_control_disable kill_css ffff888111715c00 [ 64.232993][ T620] !!! cgroup_apply_control_disable kill_css ffff888111714800 [ 64.272901][ C1] !!! css_killed_ref_fn css ffff888111715c00 !!! [ 64.279396][ C1] !!! css_killed_ref_fn css ffff888111714800 !!! [ 64.285848][ T445] !!! css_release css ffff888111715c00 !!! [ 64.291836][ T445] !!! css_put is zero set CSS_NO_REF css ffff888111715c00 !!! [ 64.299868][ T445] !!! css_release css ffff888111714800 !!! [ 64.305833][ T445] !!! css_put is zero set CSS_NO_REF css ffff888111714800 !!! [ 64.313538][ T644] !!! css_create !!! [ 64.317571][ T644] !!! css_create !!! [ 64.321685][ T644] !!! css_create !!! [ 64.325770][ T644] FAULT_INJECTION: forcing a failure. [ 64.325770][ T644] name failslab, interval 1, probability 0, space 0, times 0 [ 64.338508][ T644] CPU: 0 PID: 644 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 64.350311][ T644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.360446][ T644] Call Trace: [ 64.363751][ T644] dump_stack+0x19c/0x1e2 [ 64.368206][ T644] should_fail+0x3f7/0x5b0 [ 64.372763][ T644] __should_failslab+0xd2/0x130 [ 64.377607][ T644] should_failslab+0x9/0x20 [ 64.382088][ T644] slab_pre_alloc_hook+0x25/0xe0 [ 64.387091][ T644] ? __kernfs_new_node+0x4c/0x6d0 [ 64.392101][ T644] __kmalloc_track_caller+0x70/0x300 [ 64.397466][ T644] ? __kernfs_new_node+0x4c/0x6d0 [ 64.402476][ T644] kstrdup_const+0x55/0x90 [ 64.406886][ T644] __kernfs_new_node+0x4c/0x6d0 [ 64.411727][ T644] ? string+0x29f/0x2b0 [ 64.415862][ T644] ? vsnprintf+0x1a6c/0x1b30 [ 64.420537][ T644] kernfs_new_node+0x97/0x170 [ 64.425297][ T644] __kernfs_create_file+0x4a/0x270 [ 64.430573][ T644] cgroup_addrm_files+0x99e/0xeb0 [ 64.435845][ T644] ? delete_node+0x747/0x7a0 [ 64.440432][ T644] css_populate_dir+0x137/0x370 [ 64.445273][ T644] cgroup_apply_control_enable+0x31e/0xfc0 [ 64.451083][ T644] cgroup_apply_control+0x36/0x710 [ 64.456187][ T644] ? init_wait_entry+0xe0/0xe0 [ 64.461064][ T644] ? cgroup_kn_lock_live+0x1af/0x370 [ 64.466363][ T644] cgroup_subtree_control_write+0xd05/0x12d0 [ 64.472423][ T644] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 64.478382][ T644] cgroup_file_write+0x22f/0x4f0 [ 64.483481][ T644] kernfs_fop_write_iter+0x2cd/0x410 [ 64.488758][ T644] ? cgroup_seqfile_stop+0xc0/0xc0 [ 64.494037][ T644] vfs_write+0xb57/0xe50 [ 64.498266][ T644] ksys_write+0x157/0x260 [ 64.502692][ T644] __x64_sys_write+0x7b/0x90 [ 64.507446][ T644] do_syscall_64+0x34/0x70 [ 64.511843][ T644] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.517990][ T644] RIP: 0033:0x7f056852e0e9 [ 64.522393][ T644] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 64.542008][ T644] RSP: 002b:00007f0568483168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.550489][ T644] RAX: ffffffffffffffda RBX: 00007f0568641030 RCX: 00007f056852e0e9 [ 64.558445][ T644] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 64.566491][ T644] RBP: 00007f05684831d0 R08: 0000000000000000 R09: 0000000000000000 [ 64.574442][ T644] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 64.582596][ T644] R13: 00007ffd2eb533ef R14: 00007f0568483300 R15: 0000000000022000 [ 64.591420][ T644] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 64.598889][ T644] !!! cgroup_apply_control_disable [ 64.604472][ T644] !!! cgroup_apply_control_disable kill_css ffff8881113e4400 [ 64.612075][ T644] !!! cgroup_apply_control_disable kill_css ffff8881113e7800 [ 64.619685][ T644] !!! cgroup_apply_control_disable kill_css ffff8881113e6000 [ 64.635486][ C0] !!! css_killed_ref_fn css ffff8881113e4400 !!! [ 64.642008][ T377] !!! css_release css ffff8881113e4400 !!! [ 64.647870][ C0] !!! css_killed_ref_fn css ffff8881113e7800 !!! [ 64.647886][ C0] !!! css_killed_ref_fn css ffff8881113e6000 !!! [ 64.661141][ T377] !!! css_put is zero set CSS_NO_REF css ffff8881113e4400 !!! [ 64.668651][ T377] !!! css_release css ffff8881113e7800 !!! [ 64.674483][ T377] !!! css_put is zero set CSS_NO_REF css ffff8881113e7800 !!! [ 64.682509][ T377] !!! css_release css ffff8881113e6000 !!! [ 64.688664][ T377] !!! css_put is zero set CSS_NO_REF css ffff8881113e6000 !!! [ 64.696389][ T632] !!! css_create !!! [ 64.700658][ T632] !!! css_create !!! [ 64.704800][ T632] !!! css_create !!! [ 64.708911][ T632] FAULT_INJECTION: forcing a failure. [ 64.708911][ T632] name failslab, interval 1, probability 0, space 0, times 0 [ 64.721844][ T632] CPU: 1 PID: 632 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 64.733756][ T632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.744102][ T632] Call Trace: [ 64.747667][ T632] dump_stack+0x19c/0x1e2 [ 64.752017][ T632] should_fail+0x3f7/0x5b0 [ 64.756425][ T632] __should_failslab+0xd2/0x130 [ 64.761648][ T632] should_failslab+0x9/0x20 [ 64.766166][ T632] slab_pre_alloc_hook+0x25/0xe0 [ 64.771257][ T632] ? __kernfs_new_node+0x4c/0x6d0 [ 64.776460][ T632] __kmalloc_track_caller+0x70/0x300 [ 64.781842][ T632] ? __kernfs_new_node+0x4c/0x6d0 [ 64.787037][ T632] kstrdup_const+0x55/0x90 [ 64.791625][ T632] __kernfs_new_node+0x4c/0x6d0 [ 64.796548][ T632] ? string+0x29f/0x2b0 [ 64.800687][ T632] ? vsnprintf+0x1a6c/0x1b30 [ 64.805261][ T632] kernfs_new_node+0x97/0x170 [ 64.810100][ T632] __kernfs_create_file+0x4a/0x270 [ 64.815194][ T632] cgroup_addrm_files+0x99e/0xeb0 [ 64.820256][ T632] ? delete_node+0x747/0x7a0 [ 64.824988][ T632] css_populate_dir+0x137/0x370 [ 64.829822][ T632] cgroup_apply_control_enable+0x31e/0xfc0 [ 64.835628][ T632] cgroup_apply_control+0x36/0x710 [ 64.840827][ T632] ? init_wait_entry+0xe0/0xe0 [ 64.845583][ T632] ? cgroup_kn_lock_live+0x1af/0x370 [ 64.850949][ T632] cgroup_subtree_control_write+0xd05/0x12d0 [ 64.856917][ T632] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 64.862974][ T632] cgroup_file_write+0x22f/0x4f0 [ 64.868241][ T632] kernfs_fop_write_iter+0x2cd/0x410 [ 64.873591][ T632] ? cgroup_seqfile_stop+0xc0/0xc0 [ 64.878939][ T632] vfs_write+0xb57/0xe50 [ 64.883332][ T632] ksys_write+0x157/0x260 [ 64.887633][ T632] __x64_sys_write+0x7b/0x90 [ 64.892198][ T632] do_syscall_64+0x34/0x70 [ 64.896599][ T632] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.902485][ T632] RIP: 0033:0x7fa0a09b40e9 [ 64.906954][ T632] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 64.926762][ T632] RSP: 002b:00007fa0a0909168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.935187][ T632] RAX: ffffffffffffffda RBX: 00007fa0a0ac7030 RCX: 00007fa0a09b40e9 [ 64.943149][ T632] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 64.951099][ T632] RBP: 00007fa0a09091d0 R08: 0000000000000000 R09: 0000000000000000 [ 64.959067][ T632] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 64.967049][ T632] R13: 00007fffa3e9e33f R14: 00007fa0a0909300 R15: 0000000000022000 [ 64.975274][ T632] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 64.982549][ T632] !!! cgroup_apply_control_disable [ 64.988123][ T632] !!! cgroup_apply_control_disable kill_css ffff888111932800 [ 64.995772][ T632] !!! cgroup_apply_control_disable kill_css ffff888111930c00 [ 65.003800][ T632] !!! cgroup_apply_control_disable kill_css ffff888111a5a400 [ 65.032873][ C1] !!! css_killed_ref_fn css ffff888111932800 !!! [ 65.039340][ T19] !!! css_release css ffff888111932800 !!! [ 65.045314][ C0] !!! css_killed_ref_fn css ffff888111930c00 !!! [ 65.045320][ C1] !!! css_killed_ref_fn css ffff888111a5a400 !!! [ 65.058286][ T19] !!! css_put is zero set CSS_NO_REF css ffff888111932800 !!! [ 65.065969][ T19] !!! css_release css ffff888111a5a400 !!! [ 65.071778][ T19] !!! css_put is zero set CSS_NO_REF css ffff888111a5a400 !!! [ 65.079516][ T377] !!! css_release css ffff888111930c00 !!! [ 65.085691][ T377] !!! css_put is zero set CSS_NO_REF css ffff888111930c00 !!! [ 65.093493][ T647] !!! css_create !!! [ 65.097534][ T647] !!! css_create !!! [ 65.101531][ T647] !!! css_create !!! [ 65.105700][ T647] FAULT_INJECTION: forcing a failure. [ 65.105700][ T647] name failslab, interval 1, probability 0, space 0, times 0 [ 65.118635][ T647] CPU: 0 PID: 647 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 65.130199][ T647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.140519][ T647] Call Trace: [ 65.144018][ T647] dump_stack+0x19c/0x1e2 [ 65.148351][ T647] should_fail+0x3f7/0x5b0 [ 65.152784][ T647] __should_failslab+0xd2/0x130 [ 65.157724][ T647] should_failslab+0x9/0x20 [ 65.162217][ T647] slab_pre_alloc_hook+0x25/0xe0 [ 65.167160][ T647] kmem_cache_alloc_trace+0x47/0x2b0 [ 65.172440][ T647] ? percpu_ref_init+0xd0/0x330 [ 65.177325][ T647] percpu_ref_init+0xd0/0x330 [ 65.181987][ T647] ? cgroup_setup_root+0x8a0/0x8a0 [ 65.187093][ T647] cgroup_apply_control_enable+0x49f/0xfc0 [ 65.193010][ T647] cgroup_apply_control+0x36/0x710 [ 65.198118][ T647] ? init_wait_entry+0xe0/0xe0 [ 65.202988][ T647] ? cgroup_kn_lock_live+0x1af/0x370 [ 65.208272][ T647] cgroup_subtree_control_write+0xd05/0x12d0 [ 65.214341][ T647] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 65.220406][ T647] cgroup_file_write+0x22f/0x4f0 [ 65.225330][ T647] kernfs_fop_write_iter+0x2cd/0x410 [ 65.230775][ T647] ? cgroup_seqfile_stop+0xc0/0xc0 [ 65.235877][ T647] vfs_write+0xb57/0xe50 [ 65.240268][ T647] ksys_write+0x157/0x260 [ 65.244763][ T647] __x64_sys_write+0x7b/0x90 [ 65.249437][ T647] do_syscall_64+0x34/0x70 [ 65.254194][ T647] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.260167][ T647] RIP: 0033:0x7f056852e0e9 [ 65.264766][ T647] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 65.284449][ T647] RSP: 002b:00007f0568483168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.293044][ T647] RAX: ffffffffffffffda RBX: 00007f0568641030 RCX: 00007f056852e0e9 [ 65.301087][ T647] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 65.309049][ T647] RBP: 00007f05684831d0 R08: 0000000000000000 R09: 0000000000000000 [ 65.317058][ T647] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 65.325109][ T647] R13: 00007ffd2eb533ef R14: 00007f0568483300 R15: 0000000000022000 [ 65.333336][ T647] !!! cgroup_apply_control_disable [ 65.338687][ T647] !!! cgroup_apply_control_disable kill_css ffff888111ad4c00 [ 65.346551][ T647] !!! cgroup_apply_control_disable kill_css ffff888111ad4400 [ 65.392908][ C0] !!! css_killed_ref_fn css ffff888111ad4c00 !!! [ 65.399418][ C0] !!! css_killed_ref_fn css ffff888111ad4400 !!! [ 65.405993][ T377] !!! css_release css ffff888111ad4c00 !!! [ 65.412566][ T377] !!! css_put is zero set CSS_NO_REF css ffff888111ad4c00 !!! [ 65.420417][ T377] !!! css_release css ffff888111ad4400 !!! [ 65.426587][ T377] !!! css_put is zero set CSS_NO_REF css ffff888111ad4400 !!! [ 65.434385][ T626] !!! css_create !!! [ 65.438493][ T626] !!! css_create !!! [ 65.442496][ T626] !!! css_create !!! [ 65.446857][ T626] FAULT_INJECTION: forcing a failure. [ 65.446857][ T626] name failslab, interval 1, probability 0, space 0, times 0 [ 65.459886][ T626] CPU: 0 PID: 626 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 65.471422][ T626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.481584][ T626] Call Trace: [ 65.484967][ T626] dump_stack+0x19c/0x1e2 [ 65.489425][ T626] should_fail+0x3f7/0x5b0 [ 65.493850][ T626] __should_failslab+0xd2/0x130 [ 65.498686][ T626] should_failslab+0x9/0x20 [ 65.503172][ T626] slab_pre_alloc_hook+0x25/0xe0 [ 65.508177][ T626] ? __kernfs_new_node+0x4c/0x6d0 [ 65.513268][ T626] __kmalloc_track_caller+0x70/0x300 [ 65.518535][ T626] ? __kernfs_new_node+0x4c/0x6d0 [ 65.523553][ T626] kstrdup_const+0x55/0x90 [ 65.527971][ T626] __kernfs_new_node+0x4c/0x6d0 [ 65.533245][ T626] ? string+0x29f/0x2b0 [ 65.537407][ T626] ? vsnprintf+0x1a6c/0x1b30 [ 65.542084][ T626] kernfs_new_node+0x97/0x170 [ 65.546751][ T626] __kernfs_create_file+0x4a/0x270 [ 65.551842][ T626] cgroup_addrm_files+0x99e/0xeb0 [ 65.556862][ T626] ? delete_node+0x747/0x7a0 [ 65.561434][ T626] css_populate_dir+0x137/0x370 [ 65.566260][ T626] cgroup_apply_control_enable+0x31e/0xfc0 [ 65.572043][ T626] cgroup_apply_control+0x36/0x710 [ 65.577133][ T626] ? init_wait_entry+0xe0/0xe0 [ 65.581876][ T626] ? cgroup_kn_lock_live+0x1af/0x370 [ 65.587151][ T626] cgroup_subtree_control_write+0xd05/0x12d0 [ 65.593144][ T626] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 65.599125][ T626] cgroup_file_write+0x22f/0x4f0 [ 65.604142][ T626] kernfs_fop_write_iter+0x2cd/0x410 [ 65.609610][ T626] ? cgroup_seqfile_stop+0xc0/0xc0 [ 65.614705][ T626] vfs_write+0xb57/0xe50 [ 65.618928][ T626] ksys_write+0x157/0x260 [ 65.623238][ T626] __x64_sys_write+0x7b/0x90 [ 65.627988][ T626] do_syscall_64+0x34/0x70 [ 65.632408][ T626] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.638366][ T626] RIP: 0033:0x7f31ebfba0e9 [ 65.642763][ T626] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 65.662444][ T626] RSP: 002b:00007f31ebf0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.670878][ T626] RAX: ffffffffffffffda RBX: 00007f31ec0cd030 RCX: 00007f31ebfba0e9 [ 65.678858][ T626] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 65.686845][ T626] RBP: 00007f31ebf0f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 65.694994][ T626] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 65.703091][ T626] R13: 00007ffc28ee6d4f R14: 00007f31ebf0f300 R15: 0000000000022000 [ 65.711678][ T626] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 65.718850][ T626] !!! cgroup_apply_control_disable [ 65.724153][ T626] !!! cgroup_apply_control_disable kill_css ffff888111802800 [ 65.731611][ T626] !!! cgroup_apply_control_disable kill_css ffff888111800c00 [ 65.739239][ T626] !!! cgroup_apply_control_disable kill_css ffff888111932000 [ 65.753350][ C0] !!! css_killed_ref_fn css ffff888111802800 !!! [ 65.759762][ T377] !!! css_release css ffff888111802800 !!! [ 65.765617][ C0] !!! css_killed_ref_fn css ffff888111800c00 !!! [ 65.765632][ C0] !!! css_killed_ref_fn css ffff888111932000 !!! [ 65.778626][ T377] !!! css_put is zero set CSS_NO_REF css ffff888111802800 !!! [ 65.786398][ T377] !!! css_release css ffff888111800c00 !!! [ 65.792315][ T377] !!! css_put is zero set CSS_NO_REF css ffff888111800c00 !!! [ 65.799999][ T377] !!! css_release css ffff888111932000 !!! [ 65.805944][ T377] !!! css_put is zero set CSS_NO_REF css ffff888111932000 !!! [ 65.813779][ T650] !!! css_create !!! [ 65.817752][ T650] !!! css_create !!! [ 65.821764][ T650] !!! css_create !!! [ 65.825749][ T650] FAULT_INJECTION: forcing a failure. [ 65.825749][ T650] name failslab, interval 1, probability 0, space 0, times 0 [ 65.838431][ T650] CPU: 0 PID: 650 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 65.850032][ T650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.860330][ T650] Call Trace: [ 65.863734][ T650] dump_stack+0x19c/0x1e2 [ 65.868078][ T650] should_fail+0x3f7/0x5b0 [ 65.872487][ T650] __should_failslab+0xd2/0x130 [ 65.877333][ T650] should_failslab+0x9/0x20 [ 65.882052][ T650] slab_pre_alloc_hook+0x25/0xe0 [ 65.886982][ T650] ? __kernfs_new_node+0x4c/0x6d0 [ 65.892078][ T650] __kmalloc_track_caller+0x70/0x300 [ 65.897373][ T650] ? __kernfs_new_node+0x4c/0x6d0 [ 65.902461][ T650] kstrdup_const+0x55/0x90 [ 65.906956][ T650] __kernfs_new_node+0x4c/0x6d0 [ 65.911904][ T650] ? string+0x29f/0x2b0 [ 65.916170][ T650] ? vsnprintf+0x1a6c/0x1b30 [ 65.921122][ T650] kernfs_new_node+0x97/0x170 [ 65.925788][ T650] __kernfs_create_file+0x4a/0x270 [ 65.930898][ T650] cgroup_addrm_files+0x99e/0xeb0 [ 65.936026][ T650] ? delete_node+0x747/0x7a0 [ 65.940734][ T650] css_populate_dir+0x137/0x370 [ 65.945583][ T650] cgroup_apply_control_enable+0x31e/0xfc0 [ 65.951380][ T650] cgroup_apply_control+0x36/0x710 [ 65.956491][ T650] ? init_wait_entry+0xe0/0xe0 [ 65.961270][ T650] ? cgroup_kn_lock_live+0x1af/0x370 [ 65.966543][ T650] cgroup_subtree_control_write+0xd05/0x12d0 [ 65.972624][ T650] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 65.978594][ T650] cgroup_file_write+0x22f/0x4f0 [ 65.983610][ T650] kernfs_fop_write_iter+0x2cd/0x410 [ 65.988909][ T650] ? cgroup_seqfile_stop+0xc0/0xc0 [ 65.994020][ T650] vfs_write+0xb57/0xe50 [ 65.998615][ T650] ksys_write+0x157/0x260 [ 66.002944][ T650] __x64_sys_write+0x7b/0x90 [ 66.007538][ T650] do_syscall_64+0x34/0x70 [ 66.011964][ T650] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.017943][ T650] RIP: 0033:0x7fa0a09b40e9 [ 66.022353][ T650] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 66.041972][ T650] RSP: 002b:00007fa0a0909168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.050373][ T650] RAX: ffffffffffffffda RBX: 00007fa0a0ac7030 RCX: 00007fa0a09b40e9 [ 66.058334][ T650] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 66.066736][ T650] RBP: 00007fa0a09091d0 R08: 0000000000000000 R09: 0000000000000000 [ 66.074691][ T650] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.082658][ T650] R13: 00007fffa3e9e33f R14: 00007fa0a0909300 R15: 0000000000022000 [ 66.090855][ T650] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 66.098063][ T650] !!! cgroup_apply_control_disable [ 66.103420][ T650] !!! cgroup_apply_control_disable kill_css ffff888111e01c00 [ 66.111105][ T650] !!! cgroup_apply_control_disable kill_css ffff888111e03000 [ 66.118546][ T650] !!! cgroup_apply_control_disable kill_css ffff888111e01000 [ 66.162872][ C0] !!! css_killed_ref_fn css ffff888111e01c00 !!! [ 66.169359][ C0] !!! css_killed_ref_fn css ffff888111e03000 !!! [ 66.175761][ C0] !!! css_killed_ref_fn css ffff888111e01000 !!! [ 66.182387][ T377] !!! css_release css ffff888111e01c00 !!! [ 66.188241][ T377] !!! css_put is zero set CSS_NO_REF css ffff888111e01c00 !!! [ 66.195938][ T377] !!! css_release css ffff888111e03000 !!! [ 66.201742][ T377] !!! css_put is zero set CSS_NO_REF css ffff888111e03000 !!! [ 66.209686][ T377] !!! css_release css ffff888111e01000 !!! [ 66.215711][ T377] !!! css_put is zero set CSS_NO_REF css ffff888111e01000 !!! [ 66.223692][ T643] !!! css_create !!! [ 66.228071][ T643] !!! css_create !!! [ 66.232123][ T643] !!! css_create !!! [ 66.237435][ T643] FAULT_INJECTION: forcing a failure. [ 66.237435][ T643] name failslab, interval 1, probability 0, space 0, times 0 [ 66.250675][ T643] CPU: 1 PID: 643 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 66.263309][ T643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.274718][ T643] Call Trace: [ 66.278399][ T643] dump_stack+0x19c/0x1e2 [ 66.282770][ T643] should_fail+0x3f7/0x5b0 [ 66.287303][ T643] __should_failslab+0xd2/0x130 [ 66.292171][ T643] should_failslab+0x9/0x20 [ 66.296694][ T643] slab_pre_alloc_hook+0x25/0xe0 [ 66.301626][ T643] ? __kernfs_new_node+0x4c/0x6d0 [ 66.306653][ T643] __kmalloc_track_caller+0x70/0x300 [ 66.311929][ T643] ? __kernfs_new_node+0x4c/0x6d0 [ 66.316932][ T643] kstrdup_const+0x55/0x90 [ 66.321460][ T643] __kernfs_new_node+0x4c/0x6d0 [ 66.326304][ T643] ? string+0x29f/0x2b0 [ 66.330448][ T643] ? vsnprintf+0x1a6c/0x1b30 [ 66.335025][ T643] kernfs_new_node+0x97/0x170 [ 66.339691][ T643] __kernfs_create_file+0x4a/0x270 [ 66.344830][ T643] cgroup_addrm_files+0x99e/0xeb0 [ 66.349856][ T643] ? delete_node+0x747/0x7a0 [ 66.354446][ T643] css_populate_dir+0x137/0x370 [ 66.359390][ T643] cgroup_apply_control_enable+0x31e/0xfc0 [ 66.365301][ T643] cgroup_apply_control+0x36/0x710 [ 66.370407][ T643] ? init_wait_entry+0xe0/0xe0 [ 66.375635][ T643] ? cgroup_kn_lock_live+0x1af/0x370 [ 66.380923][ T643] cgroup_subtree_control_write+0xd05/0x12d0 [ 66.386893][ T643] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 66.392859][ T643] cgroup_file_write+0x22f/0x4f0 [ 66.397810][ T643] kernfs_fop_write_iter+0x2cd/0x410 [ 66.403116][ T643] ? cgroup_seqfile_stop+0xc0/0xc0 [ 66.408231][ T643] vfs_write+0xb57/0xe50 [ 66.412560][ T643] ksys_write+0x157/0x260 [ 66.416906][ T643] __x64_sys_write+0x7b/0x90 [ 66.421508][ T643] do_syscall_64+0x34/0x70 [ 66.425928][ T643] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.431826][ T643] RIP: 0033:0x7fdacc0480e9 [ 66.436429][ 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 [ 66.456135][ T643] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.464631][ T643] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 66.472611][ T643] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 66.480566][ T643] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 66.488523][ T643] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.496476][ T643] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 66.505946][ T643] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 66.513124][ T643] !!! cgroup_apply_control_disable [ 66.518410][ T643] !!! cgroup_apply_control_disable kill_css ffff888111ded400 [ 66.526823][ T643] !!! cgroup_apply_control_disable kill_css ffff888111dedc00 [ 66.534631][ T643] !!! cgroup_apply_control_disable kill_css ffff888111def000 [ 66.552960][ C1] !!! css_killed_ref_fn css ffff888111ded400 !!! [ 66.559383][ C1] !!! css_killed_ref_fn css ffff888111dedc00 !!! [ 66.565778][ C1] !!! css_killed_ref_fn css ffff888111def000 !!! [ 66.573124][ T19] !!! css_release css ffff888111ded400 !!! [ 66.579919][ T19] !!! css_put is zero set CSS_NO_REF css ffff888111ded400 !!! [ 66.588001][ T19] !!! css_release css ffff888111dedc00 !!! [ 66.594701][ T19] !!! css_put is zero set CSS_NO_REF css ffff888111dedc00 !!! [ 66.603850][ T445] !!! css_release css ffff888111def000 !!! [ 66.609764][ T445] !!! css_put is zero set CSS_NO_REF css ffff888111def000 !!! [ 66.617993][ T659] !!! css_create !!! [ 66.622176][ T659] !!! css_create !!! [ 66.626401][ T659] !!! css_create !!! [ 66.630449][ T659] FAULT_INJECTION: forcing a failure. [ 66.630449][ T659] name failslab, interval 1, probability 0, space 0, times 0 [ 66.643176][ T659] CPU: 1 PID: 659 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 66.654925][ T659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.665150][ T659] Call Trace: [ 66.668459][ T659] dump_stack+0x19c/0x1e2 [ 66.672966][ T659] should_fail+0x3f7/0x5b0 [ 66.677802][ T659] __should_failslab+0xd2/0x130 [ 66.682737][ T659] should_failslab+0x9/0x20 [ 66.687272][ T659] slab_pre_alloc_hook+0x25/0xe0 [ 66.692569][ T659] kmem_cache_alloc_trace+0x47/0x2b0 [ 66.697985][ T659] ? percpu_ref_init+0xd0/0x330 [ 66.703174][ T659] percpu_ref_init+0xd0/0x330 [ 66.707926][ T659] ? cgroup_setup_root+0x8a0/0x8a0 [ 66.713030][ T659] cgroup_apply_control_enable+0x49f/0xfc0 [ 66.718918][ T659] cgroup_apply_control+0x36/0x710 [ 66.724923][ T659] ? init_wait_entry+0xe0/0xe0 [ 66.730003][ T659] ? cgroup_kn_lock_live+0x1af/0x370 [ 66.735899][ T659] cgroup_subtree_control_write+0xd05/0x12d0 [ 66.743041][ T659] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 66.750069][ T659] cgroup_file_write+0x22f/0x4f0 [ 66.756275][ T659] kernfs_fop_write_iter+0x2cd/0x410 [ 66.762697][ T659] ? cgroup_seqfile_stop+0xc0/0xc0 [ 66.767810][ T659] vfs_write+0xb57/0xe50 [ 66.772240][ T659] ksys_write+0x157/0x260 [ 66.776711][ T659] __x64_sys_write+0x7b/0x90 [ 66.781606][ T659] do_syscall_64+0x34/0x70 [ 66.786111][ T659] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.792456][ T659] RIP: 0033:0x7fa0a09b40e9 [ 66.797130][ T659] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 66.816831][ T659] RSP: 002b:00007fa0a0909168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.825446][ T659] RAX: ffffffffffffffda RBX: 00007fa0a0ac7030 RCX: 00007fa0a09b40e9 [ 66.833840][ T659] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 66.841992][ T659] RBP: 00007fa0a09091d0 R08: 0000000000000000 R09: 0000000000000000 [ 66.850182][ T659] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.858155][ T659] R13: 00007fffa3e9e33f R14: 00007fa0a0909300 R15: 0000000000022000 [ 66.867048][ T659] !!! cgroup_apply_control_disable [ 66.872214][ T659] !!! cgroup_apply_control_disable kill_css ffff888111e61000 [ 66.879830][ T659] !!! cgroup_apply_control_disable kill_css ffff888111e66000 [ 66.912893][ C1] !!! css_killed_ref_fn css ffff888111e61000 !!! [ 66.919564][ C1] !!! css_killed_ref_fn css ffff888111e66000 !!! [ 66.926177][ T19] !!! css_release css ffff888111e61000 !!! [ 66.932605][ T19] !!! css_put is zero set CSS_NO_REF css ffff888111e61000 !!! [ 66.940938][ T19] !!! css_release css ffff888111e66000 !!! [ 66.947349][ T19] !!! css_put is zero set CSS_NO_REF css ffff888111e66000 !!! [ 66.955587][ T629] !!! css_create !!! [ 66.959925][ T629] !!! css_create !!! [ 66.965405][ T629] !!! css_create !!! [ 66.970276][ T629] FAULT_INJECTION: forcing a failure. [ 66.970276][ T629] name failslab, interval 1, probability 0, space 0, times 0 [ 66.983956][ T629] CPU: 1 PID: 629 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 66.995790][ T629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.006994][ T629] Call Trace: [ 67.010339][ T629] dump_stack+0x19c/0x1e2 [ 67.015987][ T629] should_fail+0x3f7/0x5b0 [ 67.020487][ T629] __should_failslab+0xd2/0x130 [ 67.025785][ T629] should_failslab+0x9/0x20 [ 67.030483][ T629] slab_pre_alloc_hook+0x25/0xe0 [ 67.035698][ T629] ? __kernfs_new_node+0x4c/0x6d0 [ 67.040738][ T629] __kmalloc_track_caller+0x70/0x300 [ 67.046112][ T629] ? __kernfs_new_node+0x4c/0x6d0 [ 67.051124][ T629] kstrdup_const+0x55/0x90 [ 67.055523][ T629] __kernfs_new_node+0x4c/0x6d0 [ 67.060353][ T629] ? string+0x29f/0x2b0 [ 67.064751][ T629] ? vsnprintf+0x1a6c/0x1b30 [ 67.069322][ T629] kernfs_new_node+0x97/0x170 [ 67.073980][ T629] __kernfs_create_file+0x4a/0x270 [ 67.079097][ T629] cgroup_addrm_files+0x99e/0xeb0 [ 67.084250][ T629] ? delete_node+0x747/0x7a0 [ 67.088951][ T629] css_populate_dir+0x137/0x370 [ 67.093963][ T629] cgroup_apply_control_enable+0x31e/0xfc0 [ 67.099915][ T629] cgroup_apply_control+0x36/0x710 [ 67.105102][ T629] ? init_wait_entry+0xe0/0xe0 [ 67.109974][ T629] ? cgroup_kn_lock_live+0x1af/0x370 [ 67.115342][ T629] cgroup_subtree_control_write+0xd05/0x12d0 [ 67.121314][ T629] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 67.127292][ T629] cgroup_file_write+0x22f/0x4f0 [ 67.132223][ T629] kernfs_fop_write_iter+0x2cd/0x410 [ 67.137773][ T629] ? cgroup_seqfile_stop+0xc0/0xc0 [ 67.142892][ T629] vfs_write+0xb57/0xe50 [ 67.147143][ T629] ksys_write+0x157/0x260 [ 67.151477][ T629] __x64_sys_write+0x7b/0x90 [ 67.156243][ T629] do_syscall_64+0x34/0x70 [ 67.160734][ T629] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.166623][ T629] RIP: 0033:0x7f2357f530e9 [ 67.171020][ T629] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 67.190833][ T629] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.199235][ T629] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 67.207318][ T629] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 67.215460][ T629] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 67.223451][ T629] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 67.231409][ T629] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 67.239994][ T629] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 67.247050][ T629] !!! cgroup_apply_control_disable [ 67.252268][ T629] !!! cgroup_apply_control_disable kill_css ffff888111ea7c00 [ 67.259751][ T629] !!! cgroup_apply_control_disable kill_css ffff888111eff000 [ 67.267210][ T629] !!! cgroup_apply_control_disable kill_css ffff888111efd400 [ 67.292858][ C1] !!! css_killed_ref_fn css ffff888111ea7c00 !!! [ 67.299311][ T19] !!! css_release css ffff888111ea7c00 !!! [ 67.305181][ C1] !!! css_killed_ref_fn css ffff888111eff000 !!! [ 67.305200][ C1] !!! css_killed_ref_fn css ffff888111efd400 !!! [ 67.318025][ T19] !!! css_put is zero set CSS_NO_REF css ffff888111ea7c00 !!! [ 67.325720][ T19] !!! css_release css ffff888111eff000 !!! [ 67.331801][ T19] !!! css_put is zero set CSS_NO_REF css ffff888111eff000 !!! [ 67.339810][ T19] !!! css_release css ffff888111efd400 !!! [ 67.345810][ T19] !!! css_put is zero set CSS_NO_REF css ffff888111efd400 !!! [ 67.353586][ T635] !!! css_create !!! [ 67.357617][ T635] !!! css_create !!! [ 67.361701][ T635] !!! css_create !!! [ 67.365800][ T635] FAULT_INJECTION: forcing a failure. [ 67.365800][ T635] name failslab, interval 1, probability 0, space 0, times 0 [ 67.378476][ T635] CPU: 1 PID: 635 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 67.389995][ T635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.400046][ T635] Call Trace: [ 67.403334][ T635] dump_stack+0x19c/0x1e2 [ 67.407662][ T635] should_fail+0x3f7/0x5b0 [ 67.412152][ T635] __should_failslab+0xd2/0x130 [ 67.417593][ T635] should_failslab+0x9/0x20 [ 67.422340][ T635] slab_pre_alloc_hook+0x25/0xe0 [ 67.427438][ T635] kmem_cache_alloc_trace+0x47/0x2b0 [ 67.432751][ T635] ? percpu_ref_init+0xd0/0x330 [ 67.437606][ T635] percpu_ref_init+0xd0/0x330 [ 67.442665][ T635] ? cgroup_setup_root+0x8a0/0x8a0 [ 67.448090][ T635] cgroup_apply_control_enable+0x49f/0xfc0 [ 67.453992][ T635] cgroup_apply_control+0x36/0x710 [ 67.459180][ T635] ? init_wait_entry+0xe0/0xe0 [ 67.464040][ T635] ? cgroup_kn_lock_live+0x1af/0x370 [ 67.469485][ T635] cgroup_subtree_control_write+0xd05/0x12d0 [ 67.475449][ T635] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 67.481508][ T635] cgroup_file_write+0x22f/0x4f0 [ 67.486860][ T635] kernfs_fop_write_iter+0x2cd/0x410 [ 67.492147][ T635] ? cgroup_seqfile_stop+0xc0/0xc0 [ 67.497366][ T635] vfs_write+0xb57/0xe50 [ 67.501773][ T635] ksys_write+0x157/0x260 [ 67.506222][ T635] __x64_sys_write+0x7b/0x90 [ 67.510841][ T635] do_syscall_64+0x34/0x70 [ 67.515242][ T635] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.521115][ T635] RIP: 0033:0x7f5ac10b50e9 [ 67.525509][ T635] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 67.545283][ T635] RSP: 002b:00007f5ac100a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.553799][ T635] RAX: ffffffffffffffda RBX: 00007f5ac11c8030 RCX: 00007f5ac10b50e9 [ 67.561773][ T635] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 67.569736][ T635] RBP: 00007f5ac100a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 67.577786][ T635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 67.585755][ T635] R13: 00007ffde09f36cf R14: 00007f5ac100a300 R15: 0000000000022000 [ 67.593915][ T635] !!! cgroup_apply_control_disable [ 67.604913][ T635] !!! cgroup_apply_control_disable kill_css ffff888111efe800 [ 67.612317][ T635] !!! cgroup_apply_control_disable kill_css ffff888111eff800 [ 67.626268][ C1] !!! css_killed_ref_fn css ffff888111efe800 !!! [ 67.632788][ T373] !!! css_release css ffff888111efe800 !!! [ 67.632839][ C1] !!! css_killed_ref_fn css ffff888111eff800 !!! [ 67.645190][ T373] !!! css_put is zero set CSS_NO_REF css ffff888111efe800 !!! [ 67.652735][ T373] !!! css_release css ffff888111eff800 !!! [ 67.658793][ T373] !!! css_put is zero set CSS_NO_REF css ffff888111eff800 !!! [ 67.666440][ T653] !!! css_create !!! [ 67.670532][ T653] !!! css_create !!! [ 67.674740][ T653] !!! css_create !!! [ 67.678703][ T653] FAULT_INJECTION: forcing a failure. [ 67.678703][ T653] name failslab, interval 1, probability 0, space 0, times 0 [ 67.691608][ T653] CPU: 1 PID: 653 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 67.703240][ T653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.713294][ T653] Call Trace: [ 67.716572][ T653] dump_stack+0x19c/0x1e2 [ 67.720882][ T653] should_fail+0x3f7/0x5b0 [ 67.725275][ T653] __should_failslab+0xd2/0x130 [ 67.730189][ T653] should_failslab+0x9/0x20 [ 67.734674][ T653] slab_pre_alloc_hook+0x25/0xe0 [ 67.739595][ T653] ? __kernfs_new_node+0x4c/0x6d0 [ 67.744715][ T653] __kmalloc_track_caller+0x70/0x300 [ 67.749987][ T653] ? __kernfs_new_node+0x4c/0x6d0 [ 67.754998][ T653] kstrdup_const+0x55/0x90 [ 67.759414][ T653] __kernfs_new_node+0x4c/0x6d0 [ 67.764308][ T653] ? string+0x29f/0x2b0 [ 67.768462][ T653] ? vsnprintf+0x1a6c/0x1b30 [ 67.773099][ T653] kernfs_new_node+0x97/0x170 [ 67.777770][ T653] __kernfs_create_file+0x4a/0x270 [ 67.782882][ T653] cgroup_addrm_files+0x99e/0xeb0 [ 67.787911][ T653] ? delete_node+0x747/0x7a0 [ 67.792676][ T653] css_populate_dir+0x137/0x370 [ 67.797526][ T653] cgroup_apply_control_enable+0x31e/0xfc0 [ 67.803317][ T653] cgroup_apply_control+0x36/0x710 [ 67.808416][ T653] ? init_wait_entry+0xe0/0xe0 [ 67.813169][ T653] ? cgroup_kn_lock_live+0x1af/0x370 [ 67.818445][ T653] cgroup_subtree_control_write+0xd05/0x12d0 [ 67.824418][ T653] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 67.830385][ T653] cgroup_file_write+0x22f/0x4f0 [ 67.835413][ T653] kernfs_fop_write_iter+0x2cd/0x410 [ 67.840953][ T653] ? cgroup_seqfile_stop+0xc0/0xc0 [ 67.846071][ T653] vfs_write+0xb57/0xe50 [ 67.850305][ T653] ksys_write+0x157/0x260 [ 67.854615][ T653] __x64_sys_write+0x7b/0x90 [ 67.859187][ T653] do_syscall_64+0x34/0x70 [ 67.863583][ T653] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.869450][ T653] RIP: 0033:0x7f056852e0e9 [ 67.873841][ T653] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 67.893429][ T653] RSP: 002b:00007f0568483168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.901833][ T653] RAX: ffffffffffffffda RBX: 00007f0568641030 RCX: 00007f056852e0e9 [ 67.909872][ T653] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 67.917839][ T653] RBP: 00007f05684831d0 R08: 0000000000000000 R09: 0000000000000000 [ 67.925802][ T653] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 67.934205][ T653] R13: 00007ffd2eb533ef R14: 00007f0568483300 R15: 0000000000022000 [ 67.943018][ T653] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 67.950317][ T653] !!! cgroup_apply_control_disable [ 67.955629][ T653] !!! cgroup_apply_control_disable kill_css ffff8881120df400 [ 67.963883][ T653] !!! cgroup_apply_control_disable kill_css ffff8881120df800 [ 67.971761][ T653] !!! cgroup_apply_control_disable kill_css ffff8881120de800 [ 67.981426][ T417] ------------[ cut here ]------------ [ 67.987056][ T417] WARNING: CPU: 1 PID: 417 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 67.996293][ C1] !!! css_killed_ref_fn css ffff8881120df400 !!! [ 67.996321][ C1] !!! css_killed_ref_fn css ffff8881120df800 !!! [ 68.009234][ T417] Modules linked in: [ 68.013205][ T417] CPU: 1 PID: 417 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 68.024856][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.035047][ T417] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 68.040689][ T417] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 68.060360][ T417] RSP: 0018:ffffc90000f37dd0 EFLAGS: 00010293 [ 68.066460][ T417] RAX: ffffffff81af043c RBX: ffff8881110f78e0 RCX: ffff888108ba6ac0 [ 68.074536][ T417] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 68.082666][ T417] RBP: ffffc90000f37e40 R08: ffffffff81af0167 R09: fffff520001e6fb2 [ 68.090719][ T417] R10: fffff520001e6fb2 R11: 1ffff920001e6fb1 R12: dffffc0000000000 [ 68.099223][ T417] R13: ffff8881110f7800 R14: 00000000ffffffff R15: 0000000000000000 [ 68.107780][ T417] FS: 00005555569dc400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 68.117021][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.124205][ T417] CR2: 00007ffd2eb51e08 CR3: 0000000108af6000 CR4: 00000000003506a0 [ 68.132445][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.142799][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.150954][ T417] Call Trace: [ 68.154395][ T417] path_umount+0x1ad/0xed0 [ 68.158827][ T417] __x64_sys_umount+0xe8/0x110 [ 68.163736][ T417] do_syscall_64+0x34/0x70 [ 68.168178][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.174119][ T417] RIP: 0033:0x7f056852f557 [ 68.178648][ T417] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 68.198939][ T417] RSP: 002b:00007ffd2eb52548 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 68.207492][ T417] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f056852f557 [ 68.215484][ T417] RDX: 00007ffd2eb5261a RSI: 000000000000000a RDI: 00007ffd2eb52610 [ 68.223474][ T417] RBP: 00007ffd2eb52610 R08: 00000000ffffffff R09: 00007ffd2eb523e0 [ 68.231500][ T417] R10: 00005555569ddba3 R11: 0000000000000246 R12: 00007f05685871f8 [ 68.239981][ T417] R13: 00007ffd2eb536d0 R14: 00005555569ddb00 R15: 00007ffd2eb53710 [ 68.248501][ T417] ---[ end trace 518ce58d12f1852f ]--- [ 68.254033][ T373] !!! css_release css ffff8881120df400 !!! [ 68.259798][ T417] ------------[ cut here ]------------ [ 68.260382][ T373] !!! css_put is zero set CSS_NO_REF css ffff8881120df400 !!! [ 68.260517][ T19] !!! css_release css ffff8881120df800 !!! [ 68.266200][ T417] WARNING: CPU: 0 PID: 417 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 68.273961][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881120df800 !!! [ 68.280005][ T417] Modules linked in: [ 68.288018][ C1] !!! css_killed_ref_fn css ffff8881120de800 !!! [ 68.288774][ T373] !!! css_release css ffff8881120de800 !!! [ 68.295646][ T417] [ 68.295663][ T417] CPU: 0 PID: 417 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 68.295670][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.295692][ T417] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 68.299707][ T373] !!! css_put is zero set CSS_NO_REF css ffff8881120de800 !!! [ 68.306477][ T417] Code: c9 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 6e 01 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 5b 01 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 ea 1f 86 80 e1 07 80 c1 03 38 c1 [ 68.311884][ T656] !!! css_create !!! [ 68.314361][ T417] RSP: 0018:ffffc90000f37e30 EFLAGS: 00010293 [ 68.325947][ T656] !!! css_create !!! [ 68.336147][ T417] [ 68.341123][ T656] !!! css_create !!! [ 68.348772][ T417] RAX: ffffffff81b00f05 RBX: ffffe8ffffd4501c RCX: ffff888108ba6ac0 [ 68.370471][ T656] FAULT_INJECTION: forcing a failure. [ 68.370471][ T656] name failslab, interval 1, probability 0, space 0, times 0 [ 68.374204][ T417] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 68.380507][ T656] CPU: 1 PID: 656 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 68.384266][ T417] RBP: ffffc90000f37e80 R08: ffffffff81b00be3 R09: fffff520001e6fcd [ 68.386640][ T656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.386645][ T656] Call Trace: [ 68.386663][ T656] dump_stack+0x19c/0x1e2 [ 68.386683][ T656] should_fail+0x3f7/0x5b0 [ 68.390600][ T417] R10: fffff520001e6fcd R11: 1ffff920001e6fcc R12: ffff8881110f7848 [ 68.398503][ T656] __should_failslab+0xd2/0x130 [ 68.398513][ T656] should_failslab+0x9/0x20 [ 68.398524][ T656] slab_pre_alloc_hook+0x25/0xe0 [ 68.398534][ T656] kmem_cache_alloc_trace+0x47/0x2b0 [ 68.398545][ T656] ? pids_css_alloc+0x4e/0x120 [ 68.398561][ T656] pids_css_alloc+0x4e/0x120 [ 68.411286][ T417] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 68.421597][ T656] cgroup_apply_control_enable+0x44e/0xfc0 [ 68.421613][ T656] cgroup_apply_control+0x36/0x710 2022/05/31 19:00:41 executed programs: 82 [ 68.421632][ T656] ? init_wait_entry+0xe0/0xe0 [ 68.433476][ T417] FS: 00005555569dc400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 68.441346][ T656] ? cgroup_kn_lock_live+0x1af/0x370 [ 68.441359][ T656] cgroup_subtree_control_write+0xd05/0x12d0 [ 68.441377][ T656] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 68.451744][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.454952][ T656] cgroup_file_write+0x22f/0x4f0 [ 68.454965][ T656] kernfs_fop_write_iter+0x2cd/0x410 [ 68.454973][ T656] ? cgroup_seqfile_stop+0xc0/0xc0 [ 68.454991][ T656] vfs_write+0xb57/0xe50 [ 68.459558][ T417] CR2: 00007f5ac1197998 CR3: 0000000108af6000 CR4: 00000000003506b0 [ 68.463761][ T656] ksys_write+0x157/0x260 [ 68.463771][ T656] __x64_sys_write+0x7b/0x90 [ 68.463783][ T656] do_syscall_64+0x34/0x70 [ 68.463793][ T656] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.463811][ T656] RIP: 0033:0x7f31ebfba0e9 [ 68.471809][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.476667][ T656] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 68.476674][ T656] RSP: 002b:00007f31ebf0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.476688][ T656] RAX: ffffffffffffffda RBX: 00007f31ec0cd030 RCX: 00007f31ebfba0e9 [ 68.476694][ T656] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 68.476708][ T656] RBP: 00007f31ebf0f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 68.481214][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.486110][ T656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 68.486118][ T656] R13: 00007ffc28ee6d4f R14: 00007f31ebf0f300 R15: 0000000000022000 [ 68.488037][ T656] !!! cgroup_apply_control_disable [ 68.491570][ T417] Call Trace: [ 68.496521][ T656] !!! cgroup_apply_control_disable kill_css ffff888111ef8000 [ 68.501091][ T417] __cleanup_mnt+0x19/0x20 [ 68.509278][ T656] !!! cgroup_apply_control_disable kill_css ffff888111efac00 [ 68.515362][ T417] task_work_run+0x147/0x1b0 [ 68.542880][ C1] !!! css_killed_ref_fn css ffff888111ef8000 !!! [ 68.545713][ T417] exit_to_user_mode_loop+0xc8/0xe0 [ 68.551724][ T19] !!! css_release css ffff888111ef8000 !!! [ 68.558592][ T417] syscall_exit_to_user_mode+0x77/0xa0 [ 68.563566][ T19] !!! css_put is zero set CSS_NO_REF css ffff888111ef8000 !!! [ 68.568997][ T417] do_syscall_64+0x40/0x70 [ 68.573872][ C1] !!! css_killed_ref_fn css ffff888111efac00 !!! [ 68.578444][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.586511][ T19] !!! css_release css ffff888111efac00 !!! [ 68.600226][ T417] RIP: 0033:0x7f056852f557 [ 68.606328][ T19] !!! css_put is zero set CSS_NO_REF css ffff888111efac00 !!! [ 68.610792][ T417] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 68.618682][ T667] !!! css_create !!! [ 68.639304][ T417] RSP: 002b:00007ffd2eb52548 EFLAGS: 00000246 [ 68.647766][ T667] !!! css_create !!! [ 68.657029][ T417] ORIG_RAX: 00000000000000a6 [ 68.665867][ T667] !!! css_create !!! [ 68.674285][ T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f056852f557 [ 68.681816][ T667] FAULT_INJECTION: forcing a failure. [ 68.681816][ T667] name failslab, interval 1, probability 0, space 0, times 0 [ 68.690103][ T417] RDX: 00007ffd2eb5261a RSI: 000000000000000a RDI: 00007ffd2eb52610 [ 68.698177][ T667] CPU: 1 PID: 667 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 68.703531][ T417] RBP: 00007ffd2eb52610 R08: 00000000ffffffff R09: 00007ffd2eb523e0 [ 68.706492][ T667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.706498][ T667] Call Trace: [ 68.706515][ T667] dump_stack+0x19c/0x1e2 [ 68.706535][ T667] should_fail+0x3f7/0x5b0 [ 68.714276][ T417] R10: 00005555569ddba3 R11: 0000000000000246 R12: 00007f05685871f8 [ 68.718357][ T667] __should_failslab+0xd2/0x130 [ 68.718375][ T667] should_failslab+0x9/0x20 [ 68.726278][ T417] R13: 00007ffd2eb536d0 R14: 00005555569ddb00 R15: 00007ffd2eb53710 [ 68.730557][ T667] slab_pre_alloc_hook+0x25/0xe0 [ 68.730578][ T667] ? __kernfs_new_node+0x4c/0x6d0 [ 68.737217][ T417] ---[ end trace 518ce58d12f18530 ]--- [ 68.742137][ T667] __kmalloc_track_caller+0x70/0x300 [ 68.742148][ T667] ? __kernfs_new_node+0x4c/0x6d0 [ 68.742164][ T667] kstrdup_const+0x55/0x90 [ 68.965640][ T667] __kernfs_new_node+0x4c/0x6d0 [ 68.970663][ T667] ? string+0x29f/0x2b0 [ 68.974806][ T667] ? vsnprintf+0x1a6c/0x1b30 [ 68.979386][ T667] kernfs_new_node+0x97/0x170 [ 68.984061][ T667] __kernfs_create_file+0x4a/0x270 [ 68.989167][ T667] cgroup_addrm_files+0x99e/0xeb0 [ 68.994278][ T667] ? delete_node+0x747/0x7a0 [ 68.998940][ T667] css_populate_dir+0x137/0x370 [ 69.003774][ T667] cgroup_apply_control_enable+0x31e/0xfc0 [ 69.009559][ T667] cgroup_apply_control+0x36/0x710 [ 69.014651][ T667] ? init_wait_entry+0xe0/0xe0 [ 69.019455][ T667] ? cgroup_kn_lock_live+0x1af/0x370 [ 69.024808][ T667] cgroup_subtree_control_write+0xd05/0x12d0 [ 69.030888][ T667] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 69.036868][ T667] cgroup_file_write+0x22f/0x4f0 [ 69.041814][ T667] kernfs_fop_write_iter+0x2cd/0x410 [ 69.047103][ T667] ? cgroup_seqfile_stop+0xc0/0xc0 [ 69.052203][ T667] vfs_write+0xb57/0xe50 [ 69.056438][ T667] ksys_write+0x157/0x260 [ 69.060862][ T667] __x64_sys_write+0x7b/0x90 [ 69.065642][ T667] do_syscall_64+0x34/0x70 [ 69.070130][ T667] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.076087][ T667] RIP: 0033:0x7fa0a09b40e9 [ 69.080483][ 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 [ 69.100350][ T667] RSP: 002b:00007fa0a0909168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.108762][ T667] RAX: ffffffffffffffda RBX: 00007fa0a0ac7030 RCX: 00007fa0a09b40e9 [ 69.116770][ T667] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 69.124749][ T667] RBP: 00007fa0a09091d0 R08: 0000000000000000 R09: 0000000000000000 [ 69.132807][ T667] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 69.140775][ T667] R13: 00007fffa3e9e33f R14: 00007fa0a0909300 R15: 0000000000022000 [ 69.150764][ T667] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 69.158088][ T667] !!! cgroup_apply_control_disable [ 69.163666][ T667] !!! cgroup_apply_control_disable kill_css ffff8881123a1000 [ 69.171173][ T667] !!! cgroup_apply_control_disable kill_css ffff8881123a0800 [ 69.178771][ T667] !!! cgroup_apply_control_disable kill_css ffff8881123a2400 [ 69.202842][ C1] !!! css_killed_ref_fn css ffff8881123a1000 !!! [ 69.209290][ T19] !!! css_release css ffff8881123a1000 !!! [ 69.215270][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881123a1000 !!! [ 69.222947][ C1] !!! css_killed_ref_fn css ffff8881123a0800 !!! [ 69.229571][ C1] !!! css_killed_ref_fn css ffff8881123a2400 !!! [ 69.236259][ T19] !!! css_release css ffff8881123a0800 !!! [ 69.242090][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881123a0800 !!! [ 69.250390][ T19] !!! css_release css ffff8881123a2400 !!! [ 69.256868][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881123a2400 !!! [ 69.264726][ T671] !!! css_create !!! [ 69.268872][ T671] !!! css_create !!! [ 69.272906][ T671] !!! css_create !!! [ 69.276807][ T671] FAULT_INJECTION: forcing a failure. [ 69.276807][ T671] name failslab, interval 1, probability 0, space 0, times 0 [ 69.289679][ T671] CPU: 1 PID: 671 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 69.301232][ T671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.311494][ T671] Call Trace: [ 69.314778][ T671] dump_stack+0x19c/0x1e2 [ 69.319090][ T671] should_fail+0x3f7/0x5b0 [ 69.323497][ T671] __should_failslab+0xd2/0x130 [ 69.328431][ T671] should_failslab+0x9/0x20 [ 69.333027][ T671] slab_pre_alloc_hook+0x25/0xe0 [ 69.337962][ T671] kmem_cache_alloc_trace+0x47/0x2b0 [ 69.343376][ T671] ? percpu_ref_init+0xd0/0x330 [ 69.348462][ T671] percpu_ref_init+0xd0/0x330 [ 69.353134][ T671] ? cgroup_setup_root+0x8a0/0x8a0 [ 69.358322][ T671] cgroup_apply_control_enable+0x49f/0xfc0 [ 69.364121][ T671] cgroup_apply_control+0x36/0x710 [ 69.369420][ T671] ? init_wait_entry+0xe0/0xe0 [ 69.374178][ T671] ? cgroup_kn_lock_live+0x1af/0x370 [ 69.379456][ T671] cgroup_subtree_control_write+0xd05/0x12d0 [ 69.385421][ T671] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 69.391430][ T671] cgroup_file_write+0x22f/0x4f0 [ 69.396357][ T671] kernfs_fop_write_iter+0x2cd/0x410 [ 69.401646][ T671] ? cgroup_seqfile_stop+0xc0/0xc0 [ 69.406817][ T671] vfs_write+0xb57/0xe50 [ 69.411066][ T671] ksys_write+0x157/0x260 [ 69.415500][ T671] __x64_sys_write+0x7b/0x90 [ 69.420183][ T671] do_syscall_64+0x34/0x70 [ 69.424602][ T671] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.431010][ T671] RIP: 0033:0x7f5ac10b50e9 [ 69.435421][ T671] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 69.455503][ T671] RSP: 002b:00007f5ac100a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.464015][ T671] RAX: ffffffffffffffda RBX: 00007f5ac11c8030 RCX: 00007f5ac10b50e9 [ 69.472249][ T671] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 69.480217][ T671] RBP: 00007f5ac100a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 69.488175][ T671] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 69.496424][ T671] R13: 00007ffde09f36cf R14: 00007f5ac100a300 R15: 0000000000022000 [ 69.504742][ T671] !!! cgroup_apply_control_disable [ 69.510055][ T671] !!! cgroup_apply_control_disable kill_css ffff8881122af800 [ 69.517868][ T671] !!! cgroup_apply_control_disable kill_css ffff8881122ae800 [ 69.527115][ T414] ------------[ cut here ]------------ [ 69.532597][ T414] WARNING: CPU: 0 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 69.542040][ T414] Modules linked in: [ 69.542865][ C1] !!! css_killed_ref_fn css ffff8881122af800 !!! [ 69.545974][ T414] CPU: 0 PID: 414 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 69.545991][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.552579][ T19] !!! css_release css ffff8881122af800 !!! [ 69.563927][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 69.563949][ T414] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 69.574790][ T19] !!! css_put is zero set CSS_NO_REF css ffff8881122af800 !!! [ 69.579924][ T414] RSP: 0018:ffffc90000f07d58 EFLAGS: 00010293 [ 69.579939][ T414] RAX: ffffffff81af043c RBX: ffff8881118069e0 RCX: ffff8881025fadc0 [ 69.579947][ T414] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 69.579955][ T414] RBP: ffffc90000f07dc8 R08: ffffffff81af0167 R09: fffff520001e0fa3 [ 69.579962][ T414] R10: fffff520001e0fa3 R11: 1ffff920001e0fa2 R12: dffffc0000000000 [ 69.579979][ T414] R13: ffff888111806900 R14: 00000000ffffffff R15: 0000000000000000 [ 69.660913][ T414] FS: 0000555555bdf400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 69.669875][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.676497][ T414] CR2: 0000555555be8b38 CR3: 0000000116b88000 CR4: 00000000003506b0 [ 69.684688][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.692754][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.700744][ T414] Call Trace: [ 69.704058][ T414] ? init_wait_entry+0xe0/0xe0 [ 69.708804][ T414] ? up_write+0x68/0x140 [ 69.713065][ T414] namespace_unlock+0x377/0x420 [ 69.717908][ T414] path_umount+0xe23/0xed0 [ 69.722311][ T414] __x64_sys_umount+0xe8/0x110 [ 69.727633][ T414] do_syscall_64+0x34/0x70 [ 69.732086][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.738084][ T414] RIP: 0033:0x7f5ac10b6557 [ 69.742497][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 69.762301][ T414] RSP: 002b:00007ffde09f2828 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 69.770816][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ac10b6557 [ 69.778797][ T414] RDX: 00007ffde09f28fa RSI: 000000000000000a RDI: 00007ffde09f28f0 [ 69.786768][ T414] RBP: 00007ffde09f28f0 R08: 00000000ffffffff R09: 00007ffde09f26c0 [ 69.794915][ T414] R10: 0000555555be0ba3 R11: 0000000000000246 R12: 00007f5ac110e1f8 [ 69.802887][ T414] R13: 00007ffde09f39b0 R14: 0000555555be0b00 R15: 00007ffde09f39f0 [ 69.810867][ T414] ---[ end trace 518ce58d12f18531 ]--- [ 69.816414][ T414] ------------[ cut here ]------------ [ 69.821936][ T414] WARNING: CPU: 1 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 69.830867][ T414] Modules linked in: [ 69.834768][ T414] CPU: 1 PID: 414 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 69.846310][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.856403][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 69.862193][ T414] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 69.862834][ C0] !!! css_killed_ref_fn css ffff8881122ae800 !!! [ 69.881919][ T414] RSP: 0018:ffffc90000f07dd0 EFLAGS: 00010293 [ 69.881942][ T414] RAX: ffffffff81af043c RBX: ffff8881118069e0 RCX: ffff8881025fadc0 [ 69.888595][ T377] !!! css_release css ffff8881122ae800 !!! [ 69.894427][ T414] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 69.894437][ T414] RBP: ffffc90000f07e40 R08: ffffffff81af0167 R09: fffff520001e0fb2 [ 69.894445][ T414] R10: fffff520001e0fb2 R11: 1ffff920001e0fb1 R12: dffffc0000000000 [ 69.894456][ T414] R13: ffff888111806900 R14: 00000000fffffffe R15: 0000000000000000 [ 69.894478][ T414] FS: 0000555555bdf400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 69.903090][ T377] !!! css_put is zero set CSS_NO_REF css ffff8881122ae800 !!! [ 69.908561][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.916929][ T668] !!! css_create !!! [ 69.924986][ T414] CR2: 00007fa0a0908ff8 CR3: 0000000116b88000 CR4: 00000000003506a0 [ 69.924999][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.925005][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.925009][ T414] Call Trace: [ 69.925028][ T414] path_umount+0x1ad/0xed0 [ 69.925040][ T414] __x64_sys_umount+0xe8/0x110 [ 69.925051][ T414] do_syscall_64+0x34/0x70 [ 69.925074][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.992971][ T668] !!! css_create !!! [ 69.993022][ T668] !!! css_create !!! [ 69.996294][ T414] RIP: 0033:0x7f5ac10b6557 [ 69.996307][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 69.996314][ T414] RSP: 002b:00007ffde09f2828 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 70.000915][ T668] FAULT_INJECTION: forcing a failure. [ 70.000915][ T668] name failslab, interval 1, probability 0, space 0, times 0 [ 70.005851][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ac10b6557 [ 70.005858][ T414] RDX: 00007ffde09f28fa RSI: 000000000000000a RDI: 00007ffde09f28f0 [ 70.005865][ T414] RBP: 00007ffde09f28f0 R08: 00000000ffffffff R09: 00007ffde09f26c0 [ 70.005872][ T414] R10: 0000555555be0ba3 R11: 0000000000000246 R12: 00007f5ac110e1f8 [ 70.005879][ T414] R13: 00007ffde09f39b0 R14: 0000555555be0b00 R15: 00007ffde09f39f0 [ 70.005887][ T414] ---[ end trace 518ce58d12f18532 ]--- [ 70.117293][ T668] CPU: 1 PID: 668 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 70.129123][ T668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.139456][ T668] Call Trace: [ 70.142744][ T668] dump_stack+0x19c/0x1e2 [ 70.147066][ T668] should_fail+0x3f7/0x5b0 [ 70.151632][ T668] __should_failslab+0xd2/0x130 [ 70.156457][ T668] should_failslab+0x9/0x20 [ 70.160948][ T668] slab_pre_alloc_hook+0x25/0xe0 [ 70.165881][ T668] ? __kernfs_new_node+0x4c/0x6d0 [ 70.170938][ T668] __kmalloc_track_caller+0x70/0x300 [ 70.176318][ T668] ? __kernfs_new_node+0x4c/0x6d0 [ 70.181348][ T668] kstrdup_const+0x55/0x90 [ 70.185770][ T668] __kernfs_new_node+0x4c/0x6d0 [ 70.190935][ T668] ? string+0x29f/0x2b0 [ 70.195429][ T668] ? vsnprintf+0x1a6c/0x1b30 [ 70.200030][ T668] kernfs_new_node+0x97/0x170 [ 70.204711][ T668] __kernfs_create_file+0x4a/0x270 [ 70.209816][ T668] cgroup_addrm_files+0x99e/0xeb0 [ 70.214826][ T668] ? delete_node+0x747/0x7a0 [ 70.219415][ T668] css_populate_dir+0x137/0x370 [ 70.224716][ T668] cgroup_apply_control_enable+0x31e/0xfc0 [ 70.230739][ T668] cgroup_apply_control+0x36/0x710 [ 70.236094][ T668] ? init_wait_entry+0xe0/0xe0 [ 70.241240][ T668] ? cgroup_kn_lock_live+0x1af/0x370 [ 70.246848][ T668] cgroup_subtree_control_write+0xd05/0x12d0 [ 70.253004][ T668] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 70.259099][ T668] cgroup_file_write+0x22f/0x4f0 [ 70.264114][ T668] kernfs_fop_write_iter+0x2cd/0x410 [ 70.269523][ T668] ? cgroup_seqfile_stop+0xc0/0xc0 [ 70.274813][ T668] vfs_write+0xb57/0xe50 [ 70.279033][ T668] ksys_write+0x157/0x260 [ 70.283516][ T668] __x64_sys_write+0x7b/0x90 [ 70.288095][ T668] do_syscall_64+0x34/0x70 [ 70.292668][ T668] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.298533][ T668] RIP: 0033:0x7f2357f530e9 [ 70.302930][ T668] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 70.323310][ T668] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.331802][ T668] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 70.339839][ T668] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 70.348009][ T668] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 70.356263][ T668] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 70.364254][ T668] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 70.375302][ T668] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 70.382504][ T668] !!! cgroup_apply_control_disable [ 70.388148][ T668] !!! cgroup_apply_control_disable kill_css ffff8881127cc400 [ 70.395965][ T668] !!! cgroup_apply_control_disable kill_css ffff8881127cfc00 [ 70.403796][ T668] !!! cgroup_apply_control_disable kill_css ffff8881127cd400 [ 70.424226][ C0] !!! css_killed_ref_fn css ffff8881127cc400 !!! [ 70.431030][ T377] !!! css_release css ffff8881127cc400 !!! [ 70.436953][ C0] !!! css_killed_ref_fn css ffff8881127cfc00 !!! [ 70.436964][ C0] !!! css_killed_ref_fn css ffff8881127cd400 !!! [ 70.449932][ T377] !!! css_put is zero set CSS_NO_REF css ffff8881127cc400 !!! [ 70.457681][ T377] !!! css_release css ffff8881127cfc00 !!! [ 70.463645][ T377] !!! css_put is zero set CSS_NO_REF css ffff8881127cfc00 !!! [ 70.471443][ T377] !!! css_release css ffff8881127cd400 !!! [ 70.478218][ T377] !!! css_put is zero set CSS_NO_REF css ffff8881127cd400 !!! [ 70.486063][ T686] !!! css_create !!! [ 70.490112][ T686] !!! css_create !!! [ 70.494135][ T686] !!! css_create !!! [ 70.498100][ T686] FAULT_INJECTION: forcing a failure. [ 70.498100][ T686] name failslab, interval 1, probability 0, space 0, times 0 [ 70.511054][ T686] CPU: 0 PID: 686 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 70.522975][ T686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.533730][ T686] Call Trace: [ 70.537035][ T686] dump_stack+0x19c/0x1e2 [ 70.541361][ T686] should_fail+0x3f7/0x5b0 [ 70.545766][ T686] __should_failslab+0xd2/0x130 [ 70.550782][ T686] should_failslab+0x9/0x20 [ 70.555308][ T686] slab_pre_alloc_hook+0x25/0xe0 [ 70.560421][ T686] ? __kernfs_new_node+0x4c/0x6d0 [ 70.565433][ T686] __kmalloc_track_caller+0x70/0x300 [ 70.570976][ T686] ? __kernfs_new_node+0x4c/0x6d0 [ 70.575987][ T686] kstrdup_const+0x55/0x90 [ 70.580420][ T686] __kernfs_new_node+0x4c/0x6d0 [ 70.585522][ T686] ? string+0x29f/0x2b0 [ 70.589933][ T686] ? vsnprintf+0x1a6c/0x1b30 [ 70.594527][ T686] kernfs_new_node+0x97/0x170 [ 70.599665][ T686] __kernfs_create_file+0x4a/0x270 [ 70.604893][ T686] cgroup_addrm_files+0x99e/0xeb0 [ 70.609935][ T686] ? delete_node+0x747/0x7a0 [ 70.614525][ T686] css_populate_dir+0x137/0x370 [ 70.619384][ T686] cgroup_apply_control_enable+0x31e/0xfc0 [ 70.625171][ T686] cgroup_apply_control+0x36/0x710 [ 70.630881][ T686] ? init_wait_entry+0xe0/0xe0 [ 70.635733][ T686] ? cgroup_kn_lock_live+0x1af/0x370 [ 70.640998][ T686] cgroup_subtree_control_write+0xd05/0x12d0 [ 70.647076][ T686] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 70.653139][ T686] cgroup_file_write+0x22f/0x4f0 [ 70.658059][ T686] kernfs_fop_write_iter+0x2cd/0x410 [ 70.663343][ T686] ? cgroup_seqfile_stop+0xc0/0xc0 [ 70.668459][ T686] vfs_write+0xb57/0xe50 [ 70.672698][ T686] ksys_write+0x157/0x260 [ 70.677011][ T686] __x64_sys_write+0x7b/0x90 [ 70.681787][ T686] do_syscall_64+0x34/0x70 [ 70.686183][ T686] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.692062][ T686] RIP: 0033:0x7f056852e0e9 [ 70.697001][ T686] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 70.717033][ T686] RSP: 002b:00007f0568483168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.726150][ T686] RAX: ffffffffffffffda RBX: 00007f0568641030 RCX: 00007f056852e0e9 [ 70.734533][ T686] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 70.742693][ T686] RBP: 00007f05684831d0 R08: 0000000000000000 R09: 0000000000000000 [ 70.750673][ T686] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 70.759003][ T686] R13: 00007ffd2eb533ef R14: 00007f0568483300 R15: 0000000000022000 [ 70.767569][ T686] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 70.775143][ T686] !!! cgroup_apply_control_disable [ 70.780482][ T686] !!! cgroup_apply_control_disable kill_css ffff88811edb0000 [ 70.788261][ T686] !!! cgroup_apply_control_disable kill_css ffff88811edb2000 [ 70.795768][ T686] !!! cgroup_apply_control_disable kill_css ffff88811edb3400 [ 70.822848][ C0] !!! css_killed_ref_fn css ffff88811edb0000 !!! [ 70.829658][ T377] !!! css_release css ffff88811edb0000 !!! [ 70.835644][ C0] !!! css_killed_ref_fn css ffff88811edb2000 !!! [ 70.842202][ C0] !!! css_killed_ref_fn css ffff88811edb3400 !!! [ 70.848805][ T377] !!! css_put is zero set CSS_NO_REF css ffff88811edb0000 !!! [ 70.856440][ T377] !!! css_release css ffff88811edb2000 !!! [ 70.862421][ T377] !!! css_put is zero set CSS_NO_REF css ffff88811edb2000 !!! [ 70.870091][ T377] !!! css_release css ffff88811edb3400 !!! [ 70.875912][ T377] !!! css_put is zero set CSS_NO_REF css ffff88811edb3400 !!! [ 70.883597][ T662] !!! css_create !!! [ 70.887565][ T662] !!! css_create !!! [ 70.891688][ T662] !!! css_create !!! [ 70.895786][ T662] FAULT_INJECTION: forcing a failure. [ 70.895786][ T662] name failslab, interval 1, probability 0, space 0, times 0 [ 70.908549][ T662] CPU: 0 PID: 662 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 70.920775][ T662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.930903][ T662] Call Trace: [ 70.934214][ T662] dump_stack+0x19c/0x1e2 [ 70.938610][ T662] should_fail+0x3f7/0x5b0 [ 70.943033][ T662] __should_failslab+0xd2/0x130 [ 70.947876][ T662] should_failslab+0x9/0x20 [ 70.952367][ T662] slab_pre_alloc_hook+0x25/0xe0 [ 70.957289][ T662] kmem_cache_alloc_trace+0x47/0x2b0 [ 70.962643][ T662] ? pids_css_alloc+0x4e/0x120 [ 70.967530][ T662] pids_css_alloc+0x4e/0x120 [ 70.972112][ T662] cgroup_apply_control_enable+0x44e/0xfc0 [ 70.977900][ T662] cgroup_apply_control+0x36/0x710 [ 70.982996][ T662] ? init_wait_entry+0xe0/0xe0 [ 70.987743][ T662] ? cgroup_kn_lock_live+0x1af/0x370 [ 70.993005][ T662] cgroup_subtree_control_write+0xd05/0x12d0 [ 70.998962][ T662] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 71.004922][ T662] cgroup_file_write+0x22f/0x4f0 [ 71.009855][ T662] kernfs_fop_write_iter+0x2cd/0x410 [ 71.015136][ T662] ? cgroup_seqfile_stop+0xc0/0xc0 [ 71.020333][ T662] vfs_write+0xb57/0xe50 [ 71.024578][ T662] ksys_write+0x157/0x260 [ 71.028897][ T662] __x64_sys_write+0x7b/0x90 [ 71.033748][ T662] do_syscall_64+0x34/0x70 [ 71.038176][ T662] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.044070][ T662] RIP: 0033:0x7fdacc0480e9 [ 71.048469][ T662] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 71.068327][ T662] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.077075][ T662] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 71.085133][ T662] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 71.093184][ T662] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 71.101252][ T662] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 71.109244][ T662] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 71.118452][ T662] !!! cgroup_apply_control_disable [ 71.124863][ T662] !!! cgroup_apply_control_disable kill_css ffff888112a5b400 [ 71.132436][ T662] !!! cgroup_apply_control_disable kill_css ffff888112a5b800 [ 71.162899][ C1] !!! css_killed_ref_fn css ffff888112a5b400 !!! [ 71.169658][ T445] !!! css_release css ffff888112a5b400 !!! [ 71.175727][ T445] !!! css_put is zero set CSS_NO_REF css ffff888112a5b400 !!! [ 71.184286][ C0] !!! css_killed_ref_fn css ffff888112a5b800 !!! [ 71.190910][ T382] !!! css_release css ffff888112a5b800 !!! [ 71.197123][ T382] !!! css_put is zero set CSS_NO_REF css ffff888112a5b800 !!! [ 71.205196][ T696] !!! css_create !!! [ 71.209320][ T696] !!! css_create !!! [ 71.213536][ T696] !!! css_create !!! [ 71.217561][ T696] FAULT_INJECTION: forcing a failure. [ 71.217561][ T696] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 71.231172][ T696] CPU: 0 PID: 696 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 71.242825][ T696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.252936][ T696] Call Trace: [ 71.256218][ T696] dump_stack+0x19c/0x1e2 [ 71.261077][ T696] should_fail+0x3f7/0x5b0 [ 71.265748][ T696] should_fail_alloc_page+0xa9/0xd0 [ 71.270932][ T696] __alloc_pages_nodemask+0x121/0x740 [ 71.276326][ T696] ? pcpu_alloc_area+0x7ab/0x900 [ 71.281260][ T696] allocate_slab+0x72/0x580 [ 71.287144][ T696] ___slab_alloc+0x131/0x2e0 [ 71.291829][ T696] ? percpu_ref_init+0xd0/0x330 [ 71.296712][ T696] __slab_alloc+0x63/0xa0 [ 71.301029][ T696] ? percpu_ref_init+0xd0/0x330 [ 71.305949][ T696] kmem_cache_alloc_trace+0xe5/0x2b0 [ 71.311312][ T696] ? percpu_ref_init+0xd0/0x330 [ 71.316156][ T696] percpu_ref_init+0xd0/0x330 [ 71.320913][ T696] ? cgroup_setup_root+0x8a0/0x8a0 [ 71.326209][ T696] cgroup_apply_control_enable+0x49f/0xfc0 [ 71.332357][ T696] cgroup_apply_control+0x36/0x710 [ 71.337469][ T696] ? init_wait_entry+0xe0/0xe0 [ 71.342338][ T696] ? cgroup_kn_lock_live+0x1af/0x370 [ 71.347616][ T696] cgroup_subtree_control_write+0xd05/0x12d0 [ 71.354019][ T696] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 71.360002][ T696] cgroup_file_write+0x22f/0x4f0 [ 71.364955][ T696] kernfs_fop_write_iter+0x2cd/0x410 [ 71.370240][ T696] ? cgroup_seqfile_stop+0xc0/0xc0 [ 71.375386][ T696] vfs_write+0xb57/0xe50 [ 71.379807][ T696] ksys_write+0x157/0x260 [ 71.384163][ T696] __x64_sys_write+0x7b/0x90 [ 71.388767][ T696] do_syscall_64+0x34/0x70 [ 71.393169][ T696] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.399136][ T696] RIP: 0033:0x7f5ac10b50e9 [ 71.403541][ T696] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 71.433478][ T696] RSP: 002b:00007f5ac100a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.442214][ T696] RAX: ffffffffffffffda RBX: 00007f5ac11c8030 RCX: 00007f5ac10b50e9 [ 71.450301][ T696] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 71.458362][ T696] RBP: 00007f5ac100a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 71.466589][ T696] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 71.474563][ T696] R13: 00007ffde09f36cf R14: 00007f5ac100a300 R15: 0000000000022000 [ 71.483472][ T696] !!! css_create !!! [ 71.488524][ T696] !!! css_create !!! [ 71.492694][ T696] !!! css_create !!! [ 71.496956][ T696] !!! cgroup_apply_control_disable [ 71.503669][ T698] !!! cgroup_apply_control_disable [ 71.508799][ T698] !!! cgroup_apply_control_disable kill_css ffff888112a58000 [ 71.516466][ T698] !!! cgroup_apply_control_disable kill_css ffff888112de9400 [ 71.524445][ T698] !!! cgroup_apply_control_disable kill_css ffff888112de9c00 [ 71.532197][ T698] !!! cgroup_apply_control_disable kill_css ffff888112d96c00 [ 71.540167][ T698] !!! cgroup_apply_control_disable kill_css ffff888112d95800 [ 71.547758][ T698] !!! cgroup_apply_control_disable kill_css ffff888112d97400 [ 71.547948][ C0] !!! css_killed_ref_fn css ffff888112a58000 !!! [ 71.561928][ T382] !!! css_release css ffff888112a58000 !!! [ 71.567978][ T382] !!! css_put is zero set CSS_NO_REF css ffff888112a58000 !!! [ 71.576361][ C0] !!! css_killed_ref_fn css ffff888112de9400 !!! [ 71.582692][ C0] !!! css_killed_ref_fn css ffff888112de9c00 !!! [ 71.589035][ C0] !!! css_killed_ref_fn css ffff888112d96c00 !!! [ 71.595752][ T382] !!! css_release css ffff888112de9400 !!! [ 71.601582][ T382] !!! css_put is zero set CSS_NO_REF css ffff888112de9400 !!! [ 71.609901][ C1] !!! css_killed_ref_fn css ffff888112d95800 !!! [ 71.610704][ T382] !!! css_release css ffff888112de9c00 !!! [ 71.622334][ T382] !!! css_put is zero set CSS_NO_REF css ffff888112de9c00 !!! [ 71.629954][ T382] !!! css_release css ffff888112d96c00 !!! [ 71.632887][ C1] !!! css_killed_ref_fn css ffff888112d97400 !!! [ 71.635977][ T382] !!! css_put is zero set CSS_NO_REF css ffff888112d96c00 !!! [ 71.650288][ T445] !!! css_release css ffff888112d95800 !!! [ 71.656170][ T445] !!! css_put is zero set CSS_NO_REF css ffff888112d95800 !!! [ 71.664265][ T445] !!! css_release css ffff888112d97400 !!! [ 71.671026][ T445] !!! css_put is zero set CSS_NO_REF css ffff888112d97400 !!! [ 71.679061][ T701] !!! css_create !!! [ 71.684114][ T701] !!! css_create !!! [ 71.688732][ T701] !!! css_create !!! [ 71.692691][ T701] FAULT_INJECTION: forcing a failure. [ 71.692691][ T701] name failslab, interval 1, probability 0, space 0, times 0 [ 71.705493][ T701] CPU: 1 PID: 701 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 71.717170][ T701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.727983][ T701] Call Trace: [ 71.731966][ T701] dump_stack+0x19c/0x1e2 [ 71.736511][ T701] should_fail+0x3f7/0x5b0 [ 71.740942][ T701] __should_failslab+0xd2/0x130 [ 71.745790][ T701] should_failslab+0x9/0x20 [ 71.750301][ T701] slab_pre_alloc_hook+0x25/0xe0 [ 71.755324][ T701] ? __kernfs_new_node+0x4c/0x6d0 [ 71.760450][ T701] __kmalloc_track_caller+0x70/0x300 [ 71.765733][ T701] ? __kernfs_new_node+0x4c/0x6d0 [ 71.770755][ T701] kstrdup_const+0x55/0x90 [ 71.775286][ T701] __kernfs_new_node+0x4c/0x6d0 [ 71.780310][ T701] ? string+0x29f/0x2b0 [ 71.784566][ T701] ? vsnprintf+0x1a6c/0x1b30 [ 71.790154][ T701] kernfs_new_node+0x97/0x170 [ 71.795061][ T701] __kernfs_create_file+0x4a/0x270 [ 71.801533][ T701] cgroup_addrm_files+0x99e/0xeb0 [ 71.806562][ T701] ? delete_node+0x747/0x7a0 [ 71.811342][ T701] css_populate_dir+0x137/0x370 [ 71.816310][ T701] cgroup_apply_control_enable+0x31e/0xfc0 [ 71.822205][ T701] cgroup_apply_control+0x36/0x710 [ 71.827305][ T701] ? init_wait_entry+0xe0/0xe0 [ 71.832141][ T701] ? cgroup_kn_lock_live+0x1af/0x370 [ 71.837674][ T701] cgroup_subtree_control_write+0xd05/0x12d0 [ 71.843641][ T701] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 71.849710][ T701] cgroup_file_write+0x22f/0x4f0 [ 71.854932][ T701] kernfs_fop_write_iter+0x2cd/0x410 [ 71.860216][ T701] ? cgroup_seqfile_stop+0xc0/0xc0 [ 71.865319][ T701] vfs_write+0xb57/0xe50 [ 71.869635][ T701] ksys_write+0x157/0x260 [ 71.874058][ T701] __x64_sys_write+0x7b/0x90 [ 71.878637][ T701] do_syscall_64+0x34/0x70 [ 71.883050][ T701] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.889196][ T701] RIP: 0033:0x7f056852e0e9 [ 71.893754][ T701] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 71.913826][ T701] RSP: 002b:00007f0568483168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.923404][ T701] RAX: ffffffffffffffda RBX: 00007f0568641030 RCX: 00007f056852e0e9 [ 71.931376][ T701] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 71.939688][ T701] RBP: 00007f05684831d0 R08: 0000000000000000 R09: 0000000000000000 [ 71.947677][ T701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 71.955824][ T701] R13: 00007ffd2eb533ef R14: 00007f0568483300 R15: 0000000000022000 [ 71.964073][ T701] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 71.971302][ T701] !!! cgroup_apply_control_disable [ 71.976914][ T701] !!! cgroup_apply_control_disable kill_css ffff888112f1ac00 [ 71.984652][ T701] !!! cgroup_apply_control_disable kill_css ffff888112f1a400 [ 71.992554][ T701] !!! cgroup_apply_control_disable kill_css ffff888112f18800 [ 72.012882][ C1] !!! css_killed_ref_fn css ffff888112f1ac00 !!! [ 72.019646][ C1] !!! css_killed_ref_fn css ffff888112f1a400 !!! [ 72.026947][ C1] !!! css_killed_ref_fn css ffff888112f18800 !!! [ 72.033549][ T445] !!! css_release css ffff888112f1ac00 !!! [ 72.039469][ T445] !!! css_put is zero set CSS_NO_REF css ffff888112f1ac00 !!! [ 72.047522][ T445] !!! css_release css ffff888112f1a400 !!! [ 72.053684][ T445] !!! css_put is zero set CSS_NO_REF css ffff888112f1a400 !!! [ 72.061931][ T445] !!! css_release css ffff888112f18800 !!! [ 72.068069][ T445] !!! css_put is zero set CSS_NO_REF css ffff888112f18800 !!! [ 72.075893][ T702] !!! css_create !!! [ 72.079855][ T702] !!! css_create !!! [ 72.084253][ T702] !!! css_create !!! [ 72.088423][ T702] FAULT_INJECTION: forcing a failure. [ 72.088423][ T702] name failslab, interval 1, probability 0, space 0, times 0 [ 72.102110][ T702] CPU: 1 PID: 702 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 72.114052][ T702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.124656][ T702] Call Trace: [ 72.128149][ T702] dump_stack+0x19c/0x1e2 [ 72.132550][ T702] should_fail+0x3f7/0x5b0 [ 72.137031][ T702] __should_failslab+0xd2/0x130 [ 72.141856][ T702] should_failslab+0x9/0x20 [ 72.146341][ T702] slab_pre_alloc_hook+0x25/0xe0 [ 72.151264][ T702] kmem_cache_alloc_trace+0x47/0x2b0 [ 72.156783][ T702] ? percpu_ref_init+0xd0/0x330 [ 72.161608][ T702] percpu_ref_init+0xd0/0x330 [ 72.166302][ T702] ? cgroup_setup_root+0x8a0/0x8a0 [ 72.171413][ T702] cgroup_apply_control_enable+0x49f/0xfc0 [ 72.177502][ T702] cgroup_apply_control+0x36/0x710 [ 72.182610][ T702] ? init_wait_entry+0xe0/0xe0 [ 72.187601][ T702] ? cgroup_kn_lock_live+0x1af/0x370 [ 72.193105][ T702] cgroup_subtree_control_write+0xd05/0x12d0 [ 72.199297][ T702] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 72.205286][ T702] cgroup_file_write+0x22f/0x4f0 [ 72.210215][ T702] kernfs_fop_write_iter+0x2cd/0x410 [ 72.216002][ T702] ? cgroup_seqfile_stop+0xc0/0xc0 [ 72.221123][ T702] vfs_write+0xb57/0xe50 [ 72.225371][ T702] ksys_write+0x157/0x260 [ 72.230171][ T702] __x64_sys_write+0x7b/0x90 [ 72.235386][ T702] do_syscall_64+0x34/0x70 [ 72.239791][ T702] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.245848][ T702] RIP: 0033:0x7fdacc0480e9 [ 72.250261][ T702] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 72.271243][ T702] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.279678][ T702] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 72.287913][ T702] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 72.295890][ T702] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 72.303934][ T702] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 72.312004][ T702] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 72.320238][ T702] !!! cgroup_apply_control_disable [ 72.325520][ T702] !!! cgroup_apply_control_disable kill_css ffff8881129e7c00 [ 72.333082][ T702] !!! cgroup_apply_control_disable kill_css ffff888112f74c00 [ 72.372901][ C0] !!! css_killed_ref_fn css ffff8881129e7c00 !!! [ 72.379731][ C0] !!! css_killed_ref_fn css ffff888112f74c00 !!! [ 72.386305][ T79] !!! css_release css ffff8881129e7c00 !!! [ 72.392121][ T79] !!! css_put is zero set CSS_NO_REF css ffff8881129e7c00 !!! [ 72.399999][ T79] !!! css_release css ffff888112f74c00 !!! [ 72.405956][ T79] !!! css_put is zero set CSS_NO_REF css ffff888112f74c00 !!! [ 72.413503][ T685] !!! css_create !!! [ 72.417751][ T685] !!! css_create !!! [ 72.421777][ T685] !!! css_create !!! [ 72.425809][ T685] FAULT_INJECTION: forcing a failure. [ 72.425809][ T685] name failslab, interval 1, probability 0, space 0, times 0 [ 72.438846][ T685] CPU: 1 PID: 685 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 72.455411][ T685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.470824][ T685] Call Trace: [ 72.474326][ T685] dump_stack+0x19c/0x1e2 [ 72.478854][ T685] should_fail+0x3f7/0x5b0 [ 72.483454][ T685] __should_failslab+0xd2/0x130 [ 72.488506][ T685] should_failslab+0x9/0x20 [ 72.492994][ T685] slab_pre_alloc_hook+0x25/0xe0 [ 72.498288][ T685] kmem_cache_alloc_trace+0x47/0x2b0 [ 72.503794][ T685] ? pids_css_alloc+0x4e/0x120 [ 72.508659][ T685] pids_css_alloc+0x4e/0x120 [ 72.513360][ T685] cgroup_apply_control_enable+0x44e/0xfc0 [ 72.519812][ T685] cgroup_apply_control+0x36/0x710 [ 72.525031][ T685] ? init_wait_entry+0xe0/0xe0 [ 72.530752][ T685] ? cgroup_kn_lock_live+0x1af/0x370 [ 72.536896][ T685] cgroup_subtree_control_write+0xd05/0x12d0 [ 72.543686][ T685] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 72.549694][ T685] cgroup_file_write+0x22f/0x4f0 [ 72.554863][ T685] kernfs_fop_write_iter+0x2cd/0x410 [ 72.560281][ T685] ? cgroup_seqfile_stop+0xc0/0xc0 [ 72.565520][ T685] vfs_write+0xb57/0xe50 [ 72.569969][ T685] ksys_write+0x157/0x260 [ 72.574716][ T685] __x64_sys_write+0x7b/0x90 [ 72.579614][ T685] do_syscall_64+0x34/0x70 [ 72.584417][ T685] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.590512][ T685] RIP: 0033:0x7f31ebfba0e9 [ 72.595046][ 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 [ 72.616379][ T685] RSP: 002b:00007f31ebf0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.625364][ T685] RAX: ffffffffffffffda RBX: 00007f31ec0cd030 RCX: 00007f31ebfba0e9 [ 72.633421][ T685] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 72.641828][ T685] RBP: 00007f31ebf0f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 72.650406][ T685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 72.658751][ T685] R13: 00007ffc28ee6d4f R14: 00007f31ebf0f300 R15: 0000000000022000 [ 72.667383][ T685] !!! cgroup_apply_control_disable [ 72.672878][ T685] !!! cgroup_apply_control_disable kill_css ffff888112ce7000 [ 72.680374][ T685] !!! cgroup_apply_control_disable kill_css ffff888112ce5400 [ 72.712856][ C1] !!! css_killed_ref_fn css ffff888112ce7000 !!! [ 72.712879][ C0] !!! css_killed_ref_fn css ffff888112ce5400 !!! [ 72.719555][ T373] !!! css_release css ffff888112ce7000 !!! [ 72.731809][ T373] !!! css_put is zero set CSS_NO_REF css ffff888112ce7000 !!! [ 72.739835][ T79] !!! css_release css ffff888112ce5400 !!! [ 72.745947][ T79] !!! css_put is zero set CSS_NO_REF css ffff888112ce5400 !!! [ 72.753649][ T695] !!! css_create !!! [ 72.757726][ T695] !!! css_create !!! [ 72.761796][ T695] !!! css_create !!! [ 72.766245][ T695] FAULT_INJECTION: forcing a failure. [ 72.766245][ T695] name failslab, interval 1, probability 0, space 0, times 0 [ 72.779874][ T695] CPU: 0 PID: 695 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 72.791817][ T695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.802228][ T695] Call Trace: [ 72.805514][ T695] dump_stack+0x19c/0x1e2 [ 72.810620][ T695] should_fail+0x3f7/0x5b0 [ 72.815122][ T695] __should_failslab+0xd2/0x130 [ 72.820149][ T695] should_failslab+0x9/0x20 [ 72.824676][ T695] slab_pre_alloc_hook+0x25/0xe0 [ 72.829699][ T695] kmem_cache_alloc_trace+0x47/0x2b0 [ 72.835137][ T695] ? percpu_ref_init+0xd0/0x330 [ 72.840333][ T695] percpu_ref_init+0xd0/0x330 [ 72.845115][ T695] ? cgroup_setup_root+0x8a0/0x8a0 [ 72.850550][ T695] cgroup_apply_control_enable+0x49f/0xfc0 [ 72.856723][ T695] cgroup_apply_control+0x36/0x710 [ 72.861918][ T695] ? init_wait_entry+0xe0/0xe0 [ 72.866774][ T695] ? cgroup_kn_lock_live+0x1af/0x370 [ 72.872106][ T695] cgroup_subtree_control_write+0xd05/0x12d0 [ 72.878578][ T695] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 72.884645][ T695] cgroup_file_write+0x22f/0x4f0 [ 72.889663][ T695] kernfs_fop_write_iter+0x2cd/0x410 [ 72.894945][ T695] ? cgroup_seqfile_stop+0xc0/0xc0 [ 72.900117][ T695] vfs_write+0xb57/0xe50 [ 72.904530][ T695] ksys_write+0x157/0x260 [ 72.909234][ T695] __x64_sys_write+0x7b/0x90 [ 72.914272][ T695] do_syscall_64+0x34/0x70 [ 72.918710][ T695] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.924682][ T695] RIP: 0033:0x7f2357f530e9 [ 72.929295][ T695] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 72.949970][ T695] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.959008][ T695] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 72.967346][ T695] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 72.975723][ T695] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 72.984662][ T695] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 72.992729][ T695] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 73.001823][ T695] !!! cgroup_apply_control_disable [ 73.007081][ T695] !!! cgroup_apply_control_disable kill_css ffff8881130cdc00 [ 73.015124][ T695] !!! cgroup_apply_control_disable kill_css ffff8881130cd400 [ 73.052861][ C1] !!! css_killed_ref_fn css ffff8881130cdc00 !!! [ 73.059664][ T373] !!! css_release css ffff8881130cdc00 !!! [ 73.065834][ T373] !!! css_put is zero set CSS_NO_REF css ffff8881130cdc00 !!! [ 73.073515][ C1] !!! css_killed_ref_fn css ffff8881130cd400 !!! [ 73.080453][ T373] !!! css_release css ffff8881130cd400 !!! [ 73.086560][ T373] !!! css_put is zero set CSS_NO_REF css ffff8881130cd400 !!! [ 73.097591][ T717] !!! css_create !!! [ 73.101692][ T717] !!! css_create !!! [ 73.109499][ T717] !!! css_create !!! [ 73.113984][ T717] FAULT_INJECTION: forcing a failure. [ 73.113984][ T717] name failslab, interval 1, probability 0, space 0, times 0 [ 73.130848][ T717] CPU: 1 PID: 717 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 73.146683][ T717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.157999][ T717] Call Trace: [ 73.161406][ T717] dump_stack+0x19c/0x1e2 [ 73.165985][ T717] should_fail+0x3f7/0x5b0 [ 73.170424][ T717] __should_failslab+0xd2/0x130 [ 73.175323][ T717] should_failslab+0x9/0x20 [ 73.179954][ T717] slab_pre_alloc_hook+0x25/0xe0 [ 73.185004][ T717] ? __kernfs_new_node+0x4c/0x6d0 [ 73.190037][ T717] __kmalloc_track_caller+0x70/0x300 [ 73.195542][ T717] ? __kernfs_new_node+0x4c/0x6d0 [ 73.200948][ T717] kstrdup_const+0x55/0x90 [ 73.205466][ T717] __kernfs_new_node+0x4c/0x6d0 [ 73.210313][ T717] ? string+0x29f/0x2b0 [ 73.214556][ T717] ? vsnprintf+0x1a6c/0x1b30 [ 73.219142][ T717] kernfs_new_node+0x97/0x170 [ 73.224055][ T717] __kernfs_create_file+0x4a/0x270 [ 73.229661][ T717] cgroup_addrm_files+0x99e/0xeb0 [ 73.234836][ T717] ? delete_node+0x747/0x7a0 [ 73.239533][ T717] css_populate_dir+0x137/0x370 [ 73.244464][ T717] cgroup_apply_control_enable+0x31e/0xfc0 [ 73.250259][ T717] cgroup_apply_control+0x36/0x710 [ 73.255365][ T717] ? init_wait_entry+0xe0/0xe0 [ 73.260170][ T717] ? cgroup_kn_lock_live+0x1af/0x370 [ 73.265453][ T717] cgroup_subtree_control_write+0xd05/0x12d0 [ 73.271423][ T717] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 73.278474][ T717] cgroup_file_write+0x22f/0x4f0 [ 73.283605][ T717] kernfs_fop_write_iter+0x2cd/0x410 [ 73.289075][ T717] ? cgroup_seqfile_stop+0xc0/0xc0 [ 73.295664][ T717] vfs_write+0xb57/0xe50 [ 73.300134][ T717] ksys_write+0x157/0x260 [ 73.304582][ T717] __x64_sys_write+0x7b/0x90 [ 73.309171][ T717] do_syscall_64+0x34/0x70 [ 73.313678][ T717] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.319740][ T717] RIP: 0033:0x7f31ebfba0e9 [ 73.324387][ T717] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 73.345433][ T717] RSP: 002b:00007f31ebf0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.354170][ T717] RAX: ffffffffffffffda RBX: 00007f31ec0cd030 RCX: 00007f31ebfba0e9 [ 73.362536][ T717] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 73.370763][ T717] RBP: 00007f31ebf0f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 73.379776][ T717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 73.388211][ T717] R13: 00007ffc28ee6d4f R14: 00007f31ebf0f300 R15: 0000000000022000 [ 73.397397][ T717] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 73.404559][ T717] !!! cgroup_apply_control_disable [ 73.409730][ T717] !!! cgroup_apply_control_disable kill_css ffff8881130cd800 [ 73.417350][ T717] !!! cgroup_apply_control_disable kill_css ffff8881130cec00 [ 73.426147][ T717] !!! cgroup_apply_control_disable kill_css ffff8881130cb000 [ 73.452893][ C1] !!! css_killed_ref_fn css ffff8881130cd800 !!! [ 73.459781][ T373] !!! css_release css ffff8881130cd800 !!! [ 73.465929][ C1] !!! css_killed_ref_fn css ffff8881130cec00 !!! [ 73.465951][ C1] !!! css_killed_ref_fn css ffff8881130cb000 !!! [ 73.478758][ T373] !!! css_put is zero set CSS_NO_REF css ffff8881130cd800 !!! [ 73.486634][ T373] !!! css_release css ffff8881130cec00 !!! [ 73.492721][ T373] !!! css_put is zero set CSS_NO_REF css ffff8881130cec00 !!! [ 73.500503][ T373] !!! css_release css ffff8881130cb000 !!! [ 73.506678][ T373] !!! css_put is zero set CSS_NO_REF css ffff8881130cb000 !!! [ 73.514528][ T687] !!! css_create !!! [ 73.518828][ T687] !!! css_create !!! [ 73.522763][ T687] !!! css_create !!! [ 73.527298][ T687] FAULT_INJECTION: forcing a failure. [ 73.527298][ T687] name failslab, interval 1, probability 0, space 0, times 0 [ 73.540784][ T687] CPU: 1 PID: 687 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 73.552310][ T687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.562373][ T687] Call Trace: [ 73.565767][ T687] dump_stack+0x19c/0x1e2 [ 73.570086][ T687] should_fail+0x3f7/0x5b0 [ 73.574505][ T687] __should_failslab+0xd2/0x130 [ 73.579596][ T687] should_failslab+0x9/0x20 [ 73.584091][ T687] slab_pre_alloc_hook+0x25/0xe0 [ 73.589756][ T687] ? __kernfs_new_node+0x4c/0x6d0 [ 73.594942][ T687] __kmalloc_track_caller+0x70/0x300 [ 73.601820][ T687] ? __kernfs_new_node+0x4c/0x6d0 [ 73.607160][ T687] kstrdup_const+0x55/0x90 [ 73.611560][ T687] __kernfs_new_node+0x4c/0x6d0 [ 73.616385][ T687] ? string+0x29f/0x2b0 [ 73.620529][ T687] ? vsnprintf+0x1a6c/0x1b30 [ 73.625105][ T687] kernfs_new_node+0x97/0x170 [ 73.629764][ T687] __kernfs_create_file+0x4a/0x270 [ 73.635751][ T687] cgroup_addrm_files+0x99e/0xeb0 [ 73.641256][ T687] ? delete_node+0x747/0x7a0 [ 73.645840][ T687] css_populate_dir+0x137/0x370 [ 73.651693][ T687] cgroup_apply_control_enable+0x31e/0xfc0 [ 73.657570][ T687] cgroup_apply_control+0x36/0x710 [ 73.662900][ T687] ? init_wait_entry+0xe0/0xe0 [ 73.667701][ T687] ? cgroup_kn_lock_live+0x1af/0x370 [ 73.673008][ T687] cgroup_subtree_control_write+0xd05/0x12d0 [ 73.679225][ T687] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 73.685188][ T687] cgroup_file_write+0x22f/0x4f0 [ 73.690115][ T687] kernfs_fop_write_iter+0x2cd/0x410 [ 73.695472][ T687] ? cgroup_seqfile_stop+0xc0/0xc0 [ 73.701019][ T687] vfs_write+0xb57/0xe50 [ 73.705258][ T687] ksys_write+0x157/0x260 [ 73.709708][ T687] __x64_sys_write+0x7b/0x90 [ 73.714395][ T687] do_syscall_64+0x34/0x70 [ 73.718932][ T687] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.725001][ T687] RIP: 0033:0x7fa0a09b40e9 [ 73.729693][ T687] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 73.750097][ T687] RSP: 002b:00007fa0a0909168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.758847][ T687] RAX: ffffffffffffffda RBX: 00007fa0a0ac7030 RCX: 00007fa0a09b40e9 [ 73.767713][ T687] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 73.776077][ T687] RBP: 00007fa0a09091d0 R08: 0000000000000000 R09: 0000000000000000 [ 73.784253][ T687] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 73.792224][ T687] R13: 00007fffa3e9e33f R14: 00007fa0a0909300 R15: 0000000000022000 2022/05/31 19:00:47 executed programs: 100 [ 73.804423][ T687] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 73.811558][ T687] !!! cgroup_apply_control_disable [ 73.816904][ T687] !!! cgroup_apply_control_disable kill_css ffff888112f1c800 [ 73.824624][ T687] !!! cgroup_apply_control_disable kill_css ffff888112f1e400 [ 73.832145][ T687] !!! cgroup_apply_control_disable kill_css ffff888112f1ec00 [ 73.862903][ C1] !!! css_killed_ref_fn css ffff888112f1c800 !!! [ 73.869417][ C1] !!! css_killed_ref_fn css ffff888112f1e400 !!! [ 73.876045][ C1] !!! css_killed_ref_fn css ffff888112f1ec00 !!! [ 73.882741][ T373] !!! css_release css ffff888112f1c800 !!! [ 73.888719][ T373] !!! css_put is zero set CSS_NO_REF css ffff888112f1c800 !!! [ 73.896837][ T373] !!! css_release css ffff888112f1e400 !!! [ 73.903462][ T373] !!! css_put is zero set CSS_NO_REF css ffff888112f1e400 !!! [ 73.911322][ T373] !!! css_release css ffff888112f1ec00 !!! [ 73.917460][ T373] !!! css_put is zero set CSS_NO_REF css ffff888112f1ec00 !!! [ 73.925338][ T714] !!! css_create !!! [ 73.929985][ T714] !!! css_create !!! [ 73.934114][ T714] !!! css_create !!! [ 73.938223][ T714] FAULT_INJECTION: forcing a failure. [ 73.938223][ T714] name failslab, interval 1, probability 0, space 0, times 0 [ 73.951424][ T714] CPU: 0 PID: 714 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 73.964708][ T714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.975767][ T714] Call Trace: [ 73.979072][ T714] dump_stack+0x19c/0x1e2 [ 73.983607][ T714] should_fail+0x3f7/0x5b0 [ 73.988578][ T714] __should_failslab+0xd2/0x130 [ 73.993962][ T714] should_failslab+0x9/0x20 [ 73.999173][ T714] slab_pre_alloc_hook+0x25/0xe0 [ 74.004267][ T714] kmem_cache_alloc_trace+0x47/0x2b0 [ 74.009571][ T714] ? pids_css_alloc+0x4e/0x120 [ 74.014457][ T714] pids_css_alloc+0x4e/0x120 [ 74.019301][ T714] cgroup_apply_control_enable+0x44e/0xfc0 [ 74.025772][ T714] cgroup_apply_control+0x36/0x710 [ 74.031131][ T714] ? init_wait_entry+0xe0/0xe0 [ 74.036226][ T714] ? cgroup_kn_lock_live+0x1af/0x370 [ 74.041801][ T714] cgroup_subtree_control_write+0xd05/0x12d0 [ 74.048017][ T714] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 74.054392][ T714] cgroup_file_write+0x22f/0x4f0 [ 74.059338][ T714] kernfs_fop_write_iter+0x2cd/0x410 [ 74.064770][ T714] ? cgroup_seqfile_stop+0xc0/0xc0 [ 74.070398][ T714] vfs_write+0xb57/0xe50 [ 74.074860][ T714] ksys_write+0x157/0x260 [ 74.079289][ T714] __x64_sys_write+0x7b/0x90 [ 74.084022][ T714] do_syscall_64+0x34/0x70 [ 74.088915][ T714] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.094837][ T714] RIP: 0033:0x7f056852e0e9 [ 74.099449][ T714] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 74.119479][ T714] RSP: 002b:00007f0568483168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.128009][ T714] RAX: ffffffffffffffda RBX: 00007f0568641030 RCX: 00007f056852e0e9 [ 74.136283][ T714] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 74.144644][ T714] RBP: 00007f05684831d0 R08: 0000000000000000 R09: 0000000000000000 [ 74.153099][ T714] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 74.161502][ T714] R13: 00007ffd2eb533ef R14: 00007f0568483300 R15: 0000000000022000 [ 74.170620][ T714] !!! cgroup_apply_control_disable [ 74.176232][ T714] !!! cgroup_apply_control_disable kill_css ffff88811ee62400 [ 74.184157][ T714] !!! cgroup_apply_control_disable kill_css ffff888113704800 [ 74.222867][ C0] !!! css_killed_ref_fn css ffff88811ee62400 !!! [ 74.229659][ C0] !!! css_killed_ref_fn css ffff888113704800 !!! [ 74.236682][ T79] !!! css_release css ffff88811ee62400 !!! [ 74.242696][ T79] !!! css_put is zero set CSS_NO_REF css ffff88811ee62400 !!! [ 74.250695][ T79] !!! css_release css ffff888113704800 !!! [ 74.257004][ T79] !!! css_put is zero set CSS_NO_REF css ffff888113704800 !!! [ 74.265080][ T730] !!! css_create !!! [ 74.269575][ T730] !!! css_create !!! [ 74.273860][ T730] !!! css_create !!! [ 74.278628][ T730] FAULT_INJECTION: forcing a failure. [ 74.278628][ T730] name failslab, interval 1, probability 0, space 0, times 0 [ 74.291986][ T730] CPU: 0 PID: 730 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 74.303605][ T730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.313659][ T730] Call Trace: [ 74.317025][ T730] dump_stack+0x19c/0x1e2 [ 74.321436][ T730] should_fail+0x3f7/0x5b0 [ 74.325848][ T730] __should_failslab+0xd2/0x130 [ 74.330681][ T730] should_failslab+0x9/0x20 [ 74.335167][ T730] slab_pre_alloc_hook+0x25/0xe0 [ 74.340099][ T730] ? __kernfs_new_node+0x4c/0x6d0 [ 74.345136][ T730] __kmalloc_track_caller+0x70/0x300 [ 74.350416][ T730] ? __kernfs_new_node+0x4c/0x6d0 [ 74.355705][ T730] kstrdup_const+0x55/0x90 [ 74.360220][ T730] __kernfs_new_node+0x4c/0x6d0 [ 74.365341][ T730] ? string+0x29f/0x2b0 [ 74.370110][ T730] ? vsnprintf+0x1a6c/0x1b30 [ 74.375034][ T730] kernfs_new_node+0x97/0x170 [ 74.379851][ T730] __kernfs_create_file+0x4a/0x270 [ 74.385057][ T730] cgroup_addrm_files+0x99e/0xeb0 [ 74.390169][ T730] ? delete_node+0x747/0x7a0 [ 74.394759][ T730] css_populate_dir+0x137/0x370 [ 74.399882][ T730] cgroup_apply_control_enable+0x31e/0xfc0 [ 74.405691][ T730] cgroup_apply_control+0x36/0x710 [ 74.410848][ T730] ? init_wait_entry+0xe0/0xe0 [ 74.415703][ T730] ? cgroup_kn_lock_live+0x1af/0x370 [ 74.421090][ T730] cgroup_subtree_control_write+0xd05/0x12d0 [ 74.427060][ T730] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 74.433038][ T730] cgroup_file_write+0x22f/0x4f0 [ 74.438082][ T730] kernfs_fop_write_iter+0x2cd/0x410 [ 74.443591][ T730] ? cgroup_seqfile_stop+0xc0/0xc0 [ 74.448976][ T730] vfs_write+0xb57/0xe50 [ 74.453226][ T730] ksys_write+0x157/0x260 [ 74.457772][ T730] __x64_sys_write+0x7b/0x90 [ 74.462377][ T730] do_syscall_64+0x34/0x70 [ 74.466838][ T730] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.473208][ T730] RIP: 0033:0x7fdacc0480e9 [ 74.477777][ T730] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 74.503366][ T730] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.513027][ T730] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 74.521623][ T730] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 74.529744][ T730] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 74.537807][ T730] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 74.546344][ T730] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 74.555866][ T730] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 74.563088][ T730] !!! cgroup_apply_control_disable [ 74.569039][ T730] !!! cgroup_apply_control_disable kill_css ffff888113706000 [ 74.576978][ T730] !!! cgroup_apply_control_disable kill_css ffff888113706800 [ 74.584582][ T730] !!! cgroup_apply_control_disable kill_css ffff888113704c00 [ 74.612870][ C0] !!! css_killed_ref_fn css ffff888113706000 !!! [ 74.619556][ T79] !!! css_release css ffff888113706000 !!! [ 74.625841][ T79] !!! css_put is zero set CSS_NO_REF css ffff888113706000 !!! [ 74.632850][ C1] !!! css_killed_ref_fn css ffff888113706800 !!! [ 74.633414][ C0] !!! css_killed_ref_fn css ffff888113704c00 !!! [ 74.647747][ T79] !!! css_release css ffff888113704c00 !!! [ 74.653953][ T79] !!! css_put is zero set CSS_NO_REF css ffff888113704c00 !!! [ 74.661617][ T373] !!! css_release css ffff888113706800 !!! [ 74.668014][ T373] !!! css_put is zero set CSS_NO_REF css ffff888113706800 !!! [ 74.676009][ T728] !!! css_create !!! [ 74.680676][ T728] !!! css_create !!! [ 74.685104][ T728] !!! css_create !!! [ 74.689269][ T728] FAULT_INJECTION: forcing a failure. [ 74.689269][ T728] name failslab, interval 1, probability 0, space 0, times 0 [ 74.702483][ T728] CPU: 0 PID: 728 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 74.714320][ T728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.725200][ T728] Call Trace: [ 74.728605][ T728] dump_stack+0x19c/0x1e2 [ 74.733028][ T728] should_fail+0x3f7/0x5b0 [ 74.737441][ T728] __should_failslab+0xd2/0x130 [ 74.742918][ T728] should_failslab+0x9/0x20 [ 74.747444][ T728] slab_pre_alloc_hook+0x25/0xe0 [ 74.752543][ T728] kmem_cache_alloc_trace+0x47/0x2b0 [ 74.758053][ T728] ? percpu_ref_init+0xd0/0x330 [ 74.762913][ T728] percpu_ref_init+0xd0/0x330 [ 74.767586][ T728] ? cgroup_setup_root+0x8a0/0x8a0 [ 74.773430][ T728] cgroup_apply_control_enable+0x49f/0xfc0 [ 74.779896][ T728] cgroup_apply_control+0x36/0x710 [ 74.785164][ T728] ? init_wait_entry+0xe0/0xe0 [ 74.790043][ T728] ? cgroup_kn_lock_live+0x1af/0x370 [ 74.795732][ T728] cgroup_subtree_control_write+0xd05/0x12d0 [ 74.801739][ T728] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 74.807837][ T728] cgroup_file_write+0x22f/0x4f0 [ 74.812877][ T728] kernfs_fop_write_iter+0x2cd/0x410 [ 74.818441][ T728] ? cgroup_seqfile_stop+0xc0/0xc0 [ 74.823558][ T728] vfs_write+0xb57/0xe50 [ 74.828039][ T728] ksys_write+0x157/0x260 [ 74.832363][ T728] __x64_sys_write+0x7b/0x90 [ 74.836957][ T728] do_syscall_64+0x34/0x70 [ 74.841470][ T728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.847470][ T728] RIP: 0033:0x7f2357f530e9 [ 74.851967][ T728] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 74.871683][ T728] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.880089][ T728] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 74.888144][ T728] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 74.896412][ T728] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 74.904638][ T728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 74.912718][ T728] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 74.921251][ T728] !!! cgroup_apply_control_disable [ 74.926525][ T728] !!! cgroup_apply_control_disable kill_css ffff88811374e400 [ 74.935377][ T728] !!! cgroup_apply_control_disable kill_css ffff88811374c000 [ 74.962889][ C1] !!! css_killed_ref_fn css ffff88811374e400 !!! [ 74.969486][ T373] !!! css_release css ffff88811374e400 !!! [ 74.975543][ T373] !!! css_put is zero set CSS_NO_REF css ffff88811374e400 !!! [ 74.983074][ C1] !!! css_killed_ref_fn css ffff88811374c000 !!! [ 74.990030][ T445] !!! css_release css ffff88811374c000 !!! [ 74.996264][ T445] !!! css_put is zero set CSS_NO_REF css ffff88811374c000 !!! [ 75.003861][ T731] !!! css_create !!! [ 75.008235][ T731] !!! css_create !!! [ 75.012437][ T731] !!! css_create !!! [ 75.016582][ T731] FAULT_INJECTION: forcing a failure. [ 75.016582][ T731] name failslab, interval 1, probability 0, space 0, times 0 [ 75.029404][ T731] CPU: 0 PID: 731 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 75.041030][ T731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.051308][ T731] Call Trace: [ 75.054616][ T731] dump_stack+0x19c/0x1e2 [ 75.059191][ T731] should_fail+0x3f7/0x5b0 [ 75.063702][ T731] __should_failslab+0xd2/0x130 [ 75.069043][ T731] should_failslab+0x9/0x20 [ 75.073843][ T731] slab_pre_alloc_hook+0x25/0xe0 [ 75.079257][ T731] kmem_cache_alloc_trace+0x47/0x2b0 [ 75.084637][ T731] ? percpu_ref_init+0xd0/0x330 [ 75.089648][ T731] percpu_ref_init+0xd0/0x330 [ 75.094492][ T731] ? cgroup_setup_root+0x8a0/0x8a0 [ 75.099771][ T731] cgroup_apply_control_enable+0x49f/0xfc0 [ 75.105580][ T731] cgroup_apply_control+0x36/0x710 [ 75.110821][ T731] ? init_wait_entry+0xe0/0xe0 [ 75.115681][ T731] ? cgroup_kn_lock_live+0x1af/0x370 [ 75.121236][ T731] cgroup_subtree_control_write+0xd05/0x12d0 [ 75.127335][ T731] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 75.133318][ T731] cgroup_file_write+0x22f/0x4f0 [ 75.138258][ T731] kernfs_fop_write_iter+0x2cd/0x410 [ 75.143638][ T731] ? cgroup_seqfile_stop+0xc0/0xc0 [ 75.149112][ T731] vfs_write+0xb57/0xe50 [ 75.154072][ T731] ksys_write+0x157/0x260 [ 75.158502][ T731] __x64_sys_write+0x7b/0x90 [ 75.163299][ T731] do_syscall_64+0x34/0x70 [ 75.167723][ T731] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.173970][ T731] RIP: 0033:0x7f5ac10b50e9 [ 75.178409][ T731] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 75.199014][ T731] RSP: 002b:00007f5ac100a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.207814][ T731] RAX: ffffffffffffffda RBX: 00007f5ac11c8030 RCX: 00007f5ac10b50e9 [ 75.216182][ T731] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 75.224398][ T731] RBP: 00007f5ac100a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 75.232929][ T731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 75.242115][ T731] R13: 00007ffde09f36cf R14: 00007f5ac100a300 R15: 0000000000022000 [ 75.250952][ T731] !!! cgroup_apply_control_disable [ 75.256292][ T731] !!! cgroup_apply_control_disable kill_css ffff8881138f7800 [ 75.264260][ T731] !!! cgroup_apply_control_disable kill_css ffff8881138f6800 [ 75.292897][ C0] !!! css_killed_ref_fn css ffff8881138f7800 !!! [ 75.299408][ C0] !!! css_killed_ref_fn css ffff8881138f6800 !!! [ 75.306232][ T79] !!! css_release css ffff8881138f7800 !!! [ 75.312041][ T79] !!! css_put is zero set CSS_NO_REF css ffff8881138f7800 !!! [ 75.319780][ T79] !!! css_release css ffff8881138f6800 !!! [ 75.326546][ T79] !!! css_put is zero set CSS_NO_REF css ffff8881138f6800 !!! [ 75.335135][ T732] !!! css_create !!! [ 75.339108][ T732] !!! css_create !!! [ 75.343367][ T732] !!! css_create !!! [ 75.348048][ T732] FAULT_INJECTION: forcing a failure. [ 75.348048][ T732] name failslab, interval 1, probability 0, space 0, times 0 [ 75.362081][ T732] CPU: 0 PID: 732 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 75.374994][ T732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.386467][ T732] Call Trace: [ 75.389799][ T732] dump_stack+0x19c/0x1e2 [ 75.394166][ T732] should_fail+0x3f7/0x5b0 [ 75.398816][ T732] __should_failslab+0xd2/0x130 [ 75.403763][ T732] should_failslab+0x9/0x20 [ 75.408372][ T732] slab_pre_alloc_hook+0x25/0xe0 [ 75.413856][ T732] ? __kernfs_new_node+0x4c/0x6d0 [ 75.418882][ T732] __kmalloc_track_caller+0x70/0x300 [ 75.424577][ T732] ? __kernfs_new_node+0x4c/0x6d0 [ 75.430225][ T732] kstrdup_const+0x55/0x90 [ 75.435684][ T732] __kernfs_new_node+0x4c/0x6d0 [ 75.441160][ T732] ? string+0x29f/0x2b0 [ 75.446058][ T732] ? vsnprintf+0x1a6c/0x1b30 [ 75.451069][ T732] kernfs_new_node+0x97/0x170 [ 75.456906][ T732] __kernfs_create_file+0x4a/0x270 [ 75.464246][ T732] cgroup_addrm_files+0x99e/0xeb0 [ 75.475597][ T732] ? delete_node+0x747/0x7a0 [ 75.483443][ T732] css_populate_dir+0x137/0x370 [ 75.495227][ T732] cgroup_apply_control_enable+0x31e/0xfc0 [ 75.503833][ T732] cgroup_apply_control+0x36/0x710 [ 75.511422][ T732] ? init_wait_entry+0xe0/0xe0 [ 75.517041][ T732] ? cgroup_kn_lock_live+0x1af/0x370 [ 75.523421][ T732] cgroup_subtree_control_write+0xd05/0x12d0 [ 75.529937][ T732] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 75.537666][ T732] cgroup_file_write+0x22f/0x4f0 [ 75.545977][ T732] kernfs_fop_write_iter+0x2cd/0x410 [ 75.552179][ T732] ? cgroup_seqfile_stop+0xc0/0xc0 [ 75.558203][ T732] vfs_write+0xb57/0xe50 [ 75.562460][ T732] ksys_write+0x157/0x260 [ 75.567378][ T732] __x64_sys_write+0x7b/0x90 [ 75.572251][ T732] do_syscall_64+0x34/0x70 [ 75.576682][ T732] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.582769][ T732] RIP: 0033:0x7f31ebfba0e9 [ 75.587694][ T732] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 75.608914][ T732] RSP: 002b:00007f31ebf0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.617457][ T732] RAX: ffffffffffffffda RBX: 00007f31ec0cd030 RCX: 00007f31ebfba0e9 [ 75.625535][ T732] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 75.635733][ T732] RBP: 00007f31ebf0f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 75.644569][ T732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 75.654810][ T732] R13: 00007ffc28ee6d4f R14: 00007f31ebf0f300 R15: 0000000000022000 [ 75.664077][ T732] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 75.671748][ T732] !!! cgroup_apply_control_disable [ 75.677677][ T732] !!! cgroup_apply_control_disable kill_css ffff888113975800 [ 75.686511][ T732] !!! cgroup_apply_control_disable kill_css ffff888113977400 [ 75.694996][ T732] !!! cgroup_apply_control_disable kill_css ffff888113977800 [ 75.742856][ C1] !!! css_killed_ref_fn css ffff888113975800 !!! [ 75.749580][ C1] !!! css_killed_ref_fn css ffff888113977400 !!! [ 75.756281][ C1] !!! css_killed_ref_fn css ffff888113977800 !!! [ 75.763093][ T373] !!! css_release css ffff888113975800 !!! [ 75.769370][ T373] !!! css_put is zero set CSS_NO_REF css ffff888113975800 !!! [ 75.777685][ T373] !!! css_release css ffff888113977400 !!! [ 75.784153][ T373] !!! css_put is zero set CSS_NO_REF css ffff888113977400 !!! [ 75.792276][ T373] !!! css_release css ffff888113977800 !!! [ 75.798181][ T373] !!! css_put is zero set CSS_NO_REF css ffff888113977800 !!! [ 75.806144][ T729] !!! css_create !!! [ 75.810451][ T729] !!! css_create !!! [ 75.814489][ T729] !!! css_create !!! [ 75.818433][ T729] FAULT_INJECTION: forcing a failure. [ 75.818433][ T729] name failslab, interval 1, probability 0, space 0, times 0 [ 75.831729][ T729] CPU: 1 PID: 729 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 75.843393][ T729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.854188][ T729] Call Trace: [ 75.857948][ T729] dump_stack+0x19c/0x1e2 [ 75.863000][ T729] should_fail+0x3f7/0x5b0 [ 75.867573][ T729] __should_failslab+0xd2/0x130 [ 75.872997][ T729] should_failslab+0x9/0x20 [ 75.877510][ T729] slab_pre_alloc_hook+0x25/0xe0 [ 75.882844][ T729] ? __kernfs_new_node+0x4c/0x6d0 [ 75.888020][ T729] __kmalloc_track_caller+0x70/0x300 [ 75.893409][ T729] ? __kernfs_new_node+0x4c/0x6d0 [ 75.898518][ T729] kstrdup_const+0x55/0x90 [ 75.902959][ T729] __kernfs_new_node+0x4c/0x6d0 [ 75.908038][ T729] ? string+0x29f/0x2b0 [ 75.912379][ T729] ? vsnprintf+0x1a6c/0x1b30 [ 75.917221][ T729] kernfs_new_node+0x97/0x170 [ 75.922064][ T729] __kernfs_create_file+0x4a/0x270 [ 75.927387][ T729] cgroup_addrm_files+0x99e/0xeb0 [ 75.932649][ T729] ? delete_node+0x747/0x7a0 [ 75.939941][ T729] css_populate_dir+0x137/0x370 [ 75.945040][ T729] cgroup_apply_control_enable+0x31e/0xfc0 [ 75.952058][ T729] cgroup_apply_control+0x36/0x710 [ 75.957573][ T729] ? init_wait_entry+0xe0/0xe0 [ 75.963085][ T729] ? cgroup_kn_lock_live+0x1af/0x370 [ 75.969183][ T729] cgroup_subtree_control_write+0xd05/0x12d0 [ 75.975406][ T729] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 75.981726][ T729] cgroup_file_write+0x22f/0x4f0 [ 75.986996][ T729] kernfs_fop_write_iter+0x2cd/0x410 [ 75.993785][ T729] ? cgroup_seqfile_stop+0xc0/0xc0 [ 75.999458][ T729] vfs_write+0xb57/0xe50 [ 76.005250][ T729] ksys_write+0x157/0x260 [ 76.010484][ T729] __x64_sys_write+0x7b/0x90 [ 76.015269][ T729] do_syscall_64+0x34/0x70 [ 76.020039][ T729] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.026829][ T729] RIP: 0033:0x7fa0a09b40e9 [ 76.032363][ T729] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 76.054681][ T729] RSP: 002b:00007fa0a0909168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.063279][ T729] RAX: ffffffffffffffda RBX: 00007fa0a0ac7030 RCX: 00007fa0a09b40e9 [ 76.071356][ T729] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 76.079326][ T729] RBP: 00007fa0a09091d0 R08: 0000000000000000 R09: 0000000000000000 [ 76.087382][ T729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 76.096327][ T729] R13: 00007fffa3e9e33f R14: 00007fa0a0909300 R15: 0000000000022000 [ 76.106060][ T729] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 76.113947][ T729] !!! cgroup_apply_control_disable [ 76.119499][ T729] !!! cgroup_apply_control_disable kill_css ffff888113903400 [ 76.127410][ T729] !!! cgroup_apply_control_disable kill_css ffff888113903800 [ 76.135469][ T729] !!! cgroup_apply_control_disable kill_css ffff888113902800 [ 76.162886][ C1] !!! css_killed_ref_fn css ffff888113903400 !!! [ 76.169314][ C1] !!! css_killed_ref_fn css ffff888113903800 !!! [ 76.175904][ T373] !!! css_release css ffff888113903400 !!! [ 76.181720][ T373] !!! css_put is zero set CSS_NO_REF css ffff888113903400 !!! [ 76.189568][ T373] !!! css_release css ffff888113903800 !!! [ 76.196083][ C1] !!! css_killed_ref_fn css ffff888113902800 !!! [ 76.203118][ T373] !!! css_put is zero set CSS_NO_REF css ffff888113903800 !!! [ 76.211037][ T373] !!! css_release css ffff888113902800 !!! [ 76.217076][ T373] !!! css_put is zero set CSS_NO_REF css ffff888113902800 !!! [ 76.225044][ T738] !!! css_create !!! [ 76.229215][ T738] !!! css_create !!! [ 76.233408][ T738] !!! css_create !!! [ 76.238074][ T738] FAULT_INJECTION: forcing a failure. [ 76.238074][ T738] name failslab, interval 1, probability 0, space 0, times 0 [ 76.251542][ T738] CPU: 1 PID: 738 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 76.263188][ T738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.273476][ T738] Call Trace: [ 76.276950][ T738] dump_stack+0x19c/0x1e2 [ 76.281283][ T738] should_fail+0x3f7/0x5b0 [ 76.285709][ T738] __should_failslab+0xd2/0x130 [ 76.290688][ T738] should_failslab+0x9/0x20 [ 76.295458][ T738] slab_pre_alloc_hook+0x25/0xe0 [ 76.300382][ T738] kmem_cache_alloc_trace+0x47/0x2b0 [ 76.305904][ T738] ? pids_css_alloc+0x4e/0x120 [ 76.310758][ T738] pids_css_alloc+0x4e/0x120 [ 76.315342][ T738] cgroup_apply_control_enable+0x44e/0xfc0 [ 76.321276][ T738] cgroup_apply_control+0x36/0x710 [ 76.326470][ T738] ? init_wait_entry+0xe0/0xe0 [ 76.331248][ T738] ? cgroup_kn_lock_live+0x1af/0x370 [ 76.336529][ T738] cgroup_subtree_control_write+0xd05/0x12d0 [ 76.342498][ T738] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 76.348463][ T738] cgroup_file_write+0x22f/0x4f0 [ 76.353384][ T738] kernfs_fop_write_iter+0x2cd/0x410 [ 76.358857][ T738] ? cgroup_seqfile_stop+0xc0/0xc0 [ 76.364151][ T738] vfs_write+0xb57/0xe50 [ 76.368403][ T738] ksys_write+0x157/0x260 [ 76.372903][ T738] __x64_sys_write+0x7b/0x90 [ 76.377654][ T738] do_syscall_64+0x34/0x70 [ 76.382072][ T738] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.387979][ T738] RIP: 0033:0x7fdacc0480e9 [ 76.392568][ T738] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 76.412709][ T738] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.421121][ T738] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 76.429197][ T738] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 76.437274][ T738] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 76.445236][ T738] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 76.453337][ T738] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 76.461877][ T738] !!! cgroup_apply_control_disable [ 76.467117][ T738] !!! cgroup_apply_control_disable kill_css ffff888113677400 [ 76.474634][ T738] !!! cgroup_apply_control_disable kill_css ffff888113676000 [ 76.512896][ C1] !!! css_killed_ref_fn css ffff888113677400 !!! [ 76.512903][ C0] !!! css_killed_ref_fn css ffff888113676000 !!! [ 76.512974][ T79] !!! css_release css ffff888113676000 !!! [ 76.535475][ T79] !!! css_put is zero set CSS_NO_REF css ffff888113676000 !!! [ 76.543825][ T373] !!! css_release css ffff888113677400 !!! [ 76.550737][ T373] !!! css_put is zero set CSS_NO_REF css ffff888113677400 !!! [ 76.558894][ T744] !!! css_create !!! [ 76.562988][ T744] !!! css_create !!! [ 76.567052][ T744] !!! css_create !!! [ 76.571224][ T744] FAULT_INJECTION: forcing a failure. [ 76.571224][ T744] name failslab, interval 1, probability 0, space 0, times 0 [ 76.584541][ T744] CPU: 0 PID: 744 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 76.596911][ T744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.607428][ T744] Call Trace: [ 76.610931][ T744] dump_stack+0x19c/0x1e2 [ 76.615319][ T744] should_fail+0x3f7/0x5b0 [ 76.619747][ T744] __should_failslab+0xd2/0x130 [ 76.625411][ T744] should_failslab+0x9/0x20 [ 76.629925][ T744] slab_pre_alloc_hook+0x25/0xe0 [ 76.634860][ T744] kmem_cache_alloc_trace+0x47/0x2b0 [ 76.640235][ T744] ? percpu_ref_init+0xd0/0x330 [ 76.648594][ T744] percpu_ref_init+0xd0/0x330 [ 76.653849][ T744] ? cgroup_setup_root+0x8a0/0x8a0 [ 76.659271][ T744] cgroup_apply_control_enable+0x49f/0xfc0 [ 76.665345][ T744] cgroup_apply_control+0x36/0x710 [ 76.670645][ T744] ? init_wait_entry+0xe0/0xe0 [ 76.675407][ T744] ? cgroup_kn_lock_live+0x1af/0x370 [ 76.680695][ T744] cgroup_subtree_control_write+0xd05/0x12d0 [ 76.686676][ T744] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 76.693350][ T744] cgroup_file_write+0x22f/0x4f0 [ 76.698566][ T744] kernfs_fop_write_iter+0x2cd/0x410 [ 76.704002][ T744] ? cgroup_seqfile_stop+0xc0/0xc0 [ 76.710288][ T744] vfs_write+0xb57/0xe50 [ 76.714541][ T744] ksys_write+0x157/0x260 [ 76.719196][ T744] __x64_sys_write+0x7b/0x90 [ 76.724196][ T744] do_syscall_64+0x34/0x70 [ 76.728871][ T744] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.738135][ T744] RIP: 0033:0x7f5ac10b50e9 [ 76.744255][ T744] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 76.765564][ T744] RSP: 002b:00007f5ac100a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.774231][ T744] RAX: ffffffffffffffda RBX: 00007f5ac11c8030 RCX: 00007f5ac10b50e9 [ 76.782445][ T744] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 76.791299][ T744] RBP: 00007f5ac100a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 76.799453][ T744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 76.808182][ T744] R13: 00007ffde09f36cf R14: 00007f5ac100a300 R15: 0000000000022000 [ 76.817448][ T744] !!! cgroup_apply_control_disable [ 76.822895][ T744] !!! cgroup_apply_control_disable kill_css ffff88811408f000 [ 76.830513][ T744] !!! cgroup_apply_control_disable kill_css ffff88811408d000 [ 76.852883][ C1] !!! css_killed_ref_fn css ffff88811408f000 !!! [ 76.852890][ C0] !!! css_killed_ref_fn css ffff88811408d000 !!! [ 76.852988][ T79] !!! css_release css ffff88811408d000 !!! [ 76.873301][ T79] !!! css_put is zero set CSS_NO_REF css ffff88811408d000 !!! [ 76.881315][ T373] !!! css_release css ffff88811408f000 !!! [ 76.887744][ T373] !!! css_put is zero set CSS_NO_REF css ffff88811408f000 !!! [ 76.899906][ T753] !!! css_create !!! [ 76.904081][ T753] !!! css_create !!! [ 76.908425][ T753] !!! css_create !!! [ 76.912934][ T753] FAULT_INJECTION: forcing a failure. [ 76.912934][ T753] name failslab, interval 1, probability 0, space 0, times 0 [ 76.927893][ T753] CPU: 0 PID: 753 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 76.942196][ T753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.954861][ T753] Call Trace: [ 76.958720][ T753] dump_stack+0x19c/0x1e2 [ 76.971568][ T753] should_fail+0x3f7/0x5b0 [ 76.976158][ T753] __should_failslab+0xd2/0x130 [ 76.981433][ T753] should_failslab+0x9/0x20 [ 76.986120][ T753] slab_pre_alloc_hook+0x25/0xe0 [ 76.991414][ T753] kmem_cache_alloc_trace+0x47/0x2b0 [ 76.996782][ T753] ? percpu_ref_init+0xd0/0x330 [ 77.001732][ T753] percpu_ref_init+0xd0/0x330 [ 77.006788][ T753] ? cgroup_setup_root+0x8a0/0x8a0 [ 77.012263][ T753] cgroup_apply_control_enable+0x49f/0xfc0 [ 77.018280][ T753] cgroup_apply_control+0x36/0x710 [ 77.023496][ T753] ? init_wait_entry+0xe0/0xe0 [ 77.028353][ T753] ? cgroup_kn_lock_live+0x1af/0x370 [ 77.034325][ T753] cgroup_subtree_control_write+0xd05/0x12d0 [ 77.040460][ T753] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 77.046549][ T753] cgroup_file_write+0x22f/0x4f0 [ 77.051513][ T753] kernfs_fop_write_iter+0x2cd/0x410 [ 77.056909][ T753] ? cgroup_seqfile_stop+0xc0/0xc0 [ 77.062318][ T753] vfs_write+0xb57/0xe50 [ 77.066629][ T753] ksys_write+0x157/0x260 [ 77.071038][ T753] __x64_sys_write+0x7b/0x90 [ 77.076002][ T753] do_syscall_64+0x34/0x70 [ 77.080420][ T753] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.086650][ T753] RIP: 0033:0x7fdacc0480e9 [ 77.091266][ T753] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 77.111445][ T753] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.121090][ T753] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 77.130424][ T753] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 77.139699][ T753] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 77.147942][ T753] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 77.156427][ T753] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 77.165182][ T753] !!! cgroup_apply_control_disable [ 77.170481][ T753] !!! cgroup_apply_control_disable kill_css ffff888113675400 [ 77.178445][ T753] !!! cgroup_apply_control_disable kill_css ffff888114153400 [ 77.212944][ C0] !!! css_killed_ref_fn css ffff888113675400 !!! [ 77.219694][ T79] !!! css_release css ffff888113675400 !!! [ 77.226149][ T79] !!! css_put is zero set CSS_NO_REF css ffff888113675400 !!! [ 77.233692][ C0] !!! css_killed_ref_fn css ffff888114153400 !!! [ 77.241031][ T79] !!! css_release css ffff888114153400 !!! [ 77.247000][ T79] !!! css_put is zero set CSS_NO_REF css ffff888114153400 !!! [ 77.254602][ T741] !!! css_create !!! [ 77.258705][ T741] !!! css_create !!! [ 77.263122][ T741] !!! css_create !!! [ 77.267594][ T741] FAULT_INJECTION: forcing a failure. [ 77.267594][ T741] name failslab, interval 1, probability 0, space 0, times 0 [ 77.281008][ T741] CPU: 0 PID: 741 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 77.292649][ T741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.302831][ T741] Call Trace: [ 77.306142][ T741] dump_stack+0x19c/0x1e2 [ 77.310987][ T741] should_fail+0x3f7/0x5b0 [ 77.315392][ T741] __should_failslab+0xd2/0x130 [ 77.320255][ T741] should_failslab+0x9/0x20 [ 77.325366][ T741] slab_pre_alloc_hook+0x25/0xe0 [ 77.330739][ T741] kmem_cache_alloc_trace+0x47/0x2b0 [ 77.336546][ T741] ? percpu_ref_init+0xd0/0x330 [ 77.341388][ T741] percpu_ref_init+0xd0/0x330 [ 77.346064][ T741] ? cgroup_setup_root+0x8a0/0x8a0 [ 77.351327][ T741] cgroup_apply_control_enable+0x49f/0xfc0 [ 77.357265][ T741] cgroup_apply_control+0x36/0x710 [ 77.362384][ T741] ? init_wait_entry+0xe0/0xe0 [ 77.367508][ T741] ? cgroup_kn_lock_live+0x1af/0x370 [ 77.373545][ T741] cgroup_subtree_control_write+0xd05/0x12d0 [ 77.379606][ T741] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 77.385652][ T741] cgroup_file_write+0x22f/0x4f0 [ 77.390799][ T741] kernfs_fop_write_iter+0x2cd/0x410 [ 77.396619][ T741] ? cgroup_seqfile_stop+0xc0/0xc0 [ 77.402198][ T741] vfs_write+0xb57/0xe50 [ 77.406833][ T741] ksys_write+0x157/0x260 [ 77.411276][ T741] __x64_sys_write+0x7b/0x90 [ 77.416151][ T741] do_syscall_64+0x34/0x70 [ 77.420777][ T741] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.428569][ T741] RIP: 0033:0x7f2357f530e9 [ 77.433606][ T741] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 77.454983][ T741] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.463394][ T741] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 77.471680][ T741] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 77.480756][ T741] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 77.488870][ T741] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 77.497286][ T741] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 77.505510][ T741] !!! cgroup_apply_control_disable [ 77.510698][ T741] !!! cgroup_apply_control_disable kill_css ffff88811428a000 [ 77.518312][ T741] !!! cgroup_apply_control_disable kill_css ffff888114156800 [ 77.552878][ C0] !!! css_killed_ref_fn css ffff88811428a000 !!! [ 77.559925][ C0] !!! css_killed_ref_fn css ffff888114156800 !!! [ 77.566482][ T79] !!! css_release css ffff88811428a000 !!! [ 77.572390][ T79] !!! css_put is zero set CSS_NO_REF css ffff88811428a000 !!! [ 77.580222][ T79] !!! css_release css ffff888114156800 !!! [ 77.586443][ T79] !!! css_put is zero set CSS_NO_REF css ffff888114156800 !!! [ 77.594626][ T735] !!! css_create !!! [ 77.598678][ T735] !!! css_create !!! [ 77.602632][ T735] !!! css_create !!! [ 77.606897][ T735] FAULT_INJECTION: forcing a failure. [ 77.606897][ T735] name failslab, interval 1, probability 0, space 0, times 0 [ 77.619624][ T735] CPU: 1 PID: 735 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 77.631289][ T735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.641561][ T735] Call Trace: [ 77.644857][ T735] dump_stack+0x19c/0x1e2 [ 77.649366][ T735] should_fail+0x3f7/0x5b0 [ 77.653877][ T735] __should_failslab+0xd2/0x130 [ 77.658834][ T735] should_failslab+0x9/0x20 [ 77.663587][ T735] slab_pre_alloc_hook+0x25/0xe0 [ 77.668603][ T735] ? __kernfs_new_node+0x4c/0x6d0 [ 77.673662][ T735] __kmalloc_track_caller+0x70/0x300 [ 77.679150][ T735] ? __kernfs_new_node+0x4c/0x6d0 [ 77.684226][ T735] kstrdup_const+0x55/0x90 [ 77.688741][ T735] __kernfs_new_node+0x4c/0x6d0 [ 77.693590][ T735] ? string+0x29f/0x2b0 [ 77.697733][ T735] ? vsnprintf+0x1a6c/0x1b30 [ 77.702307][ T735] kernfs_new_node+0x97/0x170 [ 77.707051][ T735] __kernfs_create_file+0x4a/0x270 [ 77.712215][ T735] cgroup_addrm_files+0x99e/0xeb0 [ 77.717498][ T735] ? delete_node+0x747/0x7a0 [ 77.722706][ T735] css_populate_dir+0x137/0x370 [ 77.727640][ T735] cgroup_apply_control_enable+0x31e/0xfc0 [ 77.733450][ T735] cgroup_apply_control+0x36/0x710 [ 77.738534][ T735] ? init_wait_entry+0xe0/0xe0 [ 77.743272][ T735] ? cgroup_kn_lock_live+0x1af/0x370 [ 77.748583][ T735] cgroup_subtree_control_write+0xd05/0x12d0 [ 77.754927][ T735] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 77.760998][ T735] cgroup_file_write+0x22f/0x4f0 [ 77.766039][ T735] kernfs_fop_write_iter+0x2cd/0x410 [ 77.771358][ T735] ? cgroup_seqfile_stop+0xc0/0xc0 [ 77.776692][ T735] vfs_write+0xb57/0xe50 [ 77.781005][ T735] ksys_write+0x157/0x260 [ 77.785482][ T735] __x64_sys_write+0x7b/0x90 [ 77.790088][ T735] do_syscall_64+0x34/0x70 [ 77.794502][ T735] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.800379][ T735] RIP: 0033:0x7f056852e0e9 [ 77.804948][ T735] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 77.824972][ T735] RSP: 002b:00007f0568483168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.833648][ T735] RAX: ffffffffffffffda RBX: 00007f0568641030 RCX: 00007f056852e0e9 [ 77.842126][ T735] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 77.850273][ T735] RBP: 00007f05684831d0 R08: 0000000000000000 R09: 0000000000000000 [ 77.858502][ T735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 77.866471][ T735] R13: 00007ffd2eb533ef R14: 00007f0568483300 R15: 0000000000022000 [ 77.875226][ T735] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 77.882549][ T735] !!! cgroup_apply_control_disable [ 77.887915][ T735] !!! cgroup_apply_control_disable kill_css ffff888114157000 [ 77.895531][ T735] !!! cgroup_apply_control_disable kill_css ffff888114155000 [ 77.903333][ T735] !!! cgroup_apply_control_disable kill_css ffff888114d5a800 [ 77.932892][ C1] !!! css_killed_ref_fn css ffff888114155000 !!! [ 77.932899][ C0] !!! css_killed_ref_fn css ffff888114157000 !!! [ 77.933057][ T79] !!! css_release css ffff888114157000 !!! [ 77.939350][ C1] !!! css_killed_ref_fn css ffff888114d5a800 !!! [ 77.946131][ T79] !!! css_put is zero set CSS_NO_REF css ffff888114157000 !!! [ 77.965929][ T373] !!! css_release css ffff888114155000 !!! [ 77.973582][ T373] !!! css_put is zero set CSS_NO_REF css ffff888114155000 !!! [ 77.983074][ T373] !!! css_release css ffff888114d5a800 !!! [ 77.989345][ T373] !!! css_put is zero set CSS_NO_REF css ffff888114d5a800 !!! [ 77.997580][ T747] !!! css_create !!! [ 78.002285][ T747] !!! css_create !!! [ 78.008654][ T747] !!! css_create !!! [ 78.013422][ T747] FAULT_INJECTION: forcing a failure. [ 78.013422][ T747] name failslab, interval 1, probability 0, space 0, times 0 [ 78.035731][ T747] CPU: 0 PID: 747 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 78.049706][ T747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.059933][ T747] Call Trace: [ 78.063231][ T747] dump_stack+0x19c/0x1e2 [ 78.067707][ T747] should_fail+0x3f7/0x5b0 [ 78.072225][ T747] __should_failslab+0xd2/0x130 [ 78.077108][ T747] should_failslab+0x9/0x20 [ 78.081757][ T747] slab_pre_alloc_hook+0x25/0xe0 [ 78.087178][ T747] ? __kernfs_new_node+0x4c/0x6d0 [ 78.092387][ T747] __kmalloc_track_caller+0x70/0x300 [ 78.097850][ T747] ? __kernfs_new_node+0x4c/0x6d0 [ 78.103222][ T747] kstrdup_const+0x55/0x90 [ 78.108731][ T747] __kernfs_new_node+0x4c/0x6d0 [ 78.113754][ T747] ? string+0x29f/0x2b0 [ 78.117899][ T747] ? vsnprintf+0x1a6c/0x1b30 [ 78.122750][ T747] kernfs_new_node+0x97/0x170 [ 78.127689][ T747] __kernfs_create_file+0x4a/0x270 [ 78.133234][ T747] cgroup_addrm_files+0x99e/0xeb0 [ 78.138283][ T747] ? delete_node+0x747/0x7a0 [ 78.142893][ T747] css_populate_dir+0x137/0x370 [ 78.147837][ T747] cgroup_apply_control_enable+0x31e/0xfc0 [ 78.154598][ T747] cgroup_apply_control+0x36/0x710 [ 78.159915][ T747] ? init_wait_entry+0xe0/0xe0 [ 78.164672][ T747] ? cgroup_kn_lock_live+0x1af/0x370 [ 78.169965][ T747] cgroup_subtree_control_write+0xd05/0x12d0 [ 78.176125][ T747] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 78.182357][ T747] cgroup_file_write+0x22f/0x4f0 [ 78.187305][ T747] kernfs_fop_write_iter+0x2cd/0x410 [ 78.192671][ T747] ? cgroup_seqfile_stop+0xc0/0xc0 [ 78.197886][ T747] vfs_write+0xb57/0xe50 [ 78.202128][ T747] ksys_write+0x157/0x260 [ 78.206647][ T747] __x64_sys_write+0x7b/0x90 [ 78.211533][ T747] do_syscall_64+0x34/0x70 [ 78.215952][ T747] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.221918][ T747] RIP: 0033:0x7f31ebfba0e9 [ 78.226332][ T747] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 78.247063][ T747] RSP: 002b:00007f31ebf0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.255744][ T747] RAX: ffffffffffffffda RBX: 00007f31ec0cd030 RCX: 00007f31ebfba0e9 [ 78.263812][ T747] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 78.271988][ T747] RBP: 00007f31ebf0f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 78.280160][ T747] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 78.288220][ T747] R13: 00007ffc28ee6d4f R14: 00007f31ebf0f300 R15: 0000000000022000 [ 78.296616][ T747] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 78.303784][ T747] !!! cgroup_apply_control_disable [ 78.308955][ T747] !!! cgroup_apply_control_disable kill_css ffff888114da0800 [ 78.316609][ T747] !!! cgroup_apply_control_disable kill_css ffff888114290000 [ 78.324554][ T747] !!! cgroup_apply_control_disable kill_css ffff888114420400 [ 78.352905][ C1] !!! css_killed_ref_fn css ffff888114da0800 !!! [ 78.359723][ T373] !!! css_release css ffff888114da0800 !!! [ 78.365851][ C1] !!! css_killed_ref_fn css ffff888114290000 !!! [ 78.365867][ C1] !!! css_killed_ref_fn css ffff888114420400 !!! [ 78.379037][ T373] !!! css_put is zero set CSS_NO_REF css ffff888114da0800 !!! [ 78.387142][ T373] !!! css_release css ffff888114290000 !!! [ 78.393532][ T373] !!! css_put is zero set CSS_NO_REF css ffff888114290000 !!! [ 78.402009][ T373] !!! css_release css ffff888114420400 !!! [ 78.407882][ T373] !!! css_put is zero set CSS_NO_REF css ffff888114420400 !!! [ 78.415567][ T750] !!! css_create !!! [ 78.419563][ T750] !!! css_create !!! [ 78.423637][ T750] !!! css_create !!! [ 78.427558][ T750] FAULT_INJECTION: forcing a failure. [ 78.427558][ T750] name failslab, interval 1, probability 0, space 0, times 0 [ 78.440376][ T750] CPU: 1 PID: 750 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 78.451906][ T750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.461953][ T750] Call Trace: [ 78.465239][ T750] dump_stack+0x19c/0x1e2 [ 78.469656][ T750] should_fail+0x3f7/0x5b0 [ 78.474165][ T750] __should_failslab+0xd2/0x130 [ 78.479198][ T750] should_failslab+0x9/0x20 [ 78.483695][ T750] slab_pre_alloc_hook+0x25/0xe0 [ 78.488629][ T750] kmem_cache_alloc_trace+0x47/0x2b0 [ 78.493926][ T750] ? pids_css_alloc+0x4e/0x120 [ 78.499693][ T750] pids_css_alloc+0x4e/0x120 [ 78.504291][ T750] cgroup_apply_control_enable+0x44e/0xfc0 [ 78.510626][ T750] cgroup_apply_control+0x36/0x710 [ 78.515827][ T750] ? init_wait_entry+0xe0/0xe0 [ 78.522236][ T750] ? cgroup_kn_lock_live+0x1af/0x370 [ 78.529603][ T750] cgroup_subtree_control_write+0xd05/0x12d0 [ 78.536779][ T750] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 78.542962][ T750] cgroup_file_write+0x22f/0x4f0 [ 78.548049][ T750] kernfs_fop_write_iter+0x2cd/0x410 [ 78.553494][ T750] ? cgroup_seqfile_stop+0xc0/0xc0 [ 78.558603][ T750] vfs_write+0xb57/0xe50 [ 78.562837][ T750] ksys_write+0x157/0x260 [ 78.567157][ T750] __x64_sys_write+0x7b/0x90 [ 78.571849][ T750] do_syscall_64+0x34/0x70 [ 78.576275][ T750] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.582168][ T750] RIP: 0033:0x7fa0a09b40e9 [ 78.586596][ T750] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 78.609260][ T750] RSP: 002b:00007fa0a0909168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.618642][ T750] RAX: ffffffffffffffda RBX: 00007fa0a0ac7030 RCX: 00007fa0a09b40e9 [ 78.626901][ T750] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 78.635713][ T750] RBP: 00007fa0a09091d0 R08: 0000000000000000 R09: 0000000000000000 [ 78.643697][ T750] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 78.651757][ T750] R13: 00007fffa3e9e33f R14: 00007fa0a0909300 R15: 0000000000022000 [ 78.661118][ T750] !!! cgroup_apply_control_disable [ 78.667910][ T750] !!! cgroup_apply_control_disable kill_css ffff888114e79c00 [ 78.677486][ T750] !!! cgroup_apply_control_disable kill_css ffff888114e7b000 [ 78.722899][ C1] !!! css_killed_ref_fn css ffff888114e79c00 !!! [ 78.722906][ C0] !!! css_killed_ref_fn css ffff888114e7b000 !!! [ 78.723117][ T79] !!! css_release css ffff888114e7b000 !!! [ 78.744825][ T79] !!! css_put is zero set CSS_NO_REF css ffff888114e7b000 !!! [ 78.753747][ T373] !!! css_release css ffff888114e79c00 !!! [ 78.762330][ T373] !!! css_put is zero set CSS_NO_REF css ffff888114e79c00 !!! [ 78.771299][ T762] !!! css_create !!! [ 78.777045][ T762] !!! css_create !!! [ 78.781753][ T762] !!! css_create !!! [ 78.787631][ T762] FAULT_INJECTION: forcing a failure. [ 78.787631][ T762] name failslab, interval 1, probability 0, space 0, times 0 [ 78.803501][ T762] CPU: 1 PID: 762 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 78.815203][ T762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.826142][ T762] Call Trace: [ 78.829628][ T762] dump_stack+0x19c/0x1e2 [ 78.834254][ T762] should_fail+0x3f7/0x5b0 [ 78.839681][ T762] __should_failslab+0xd2/0x130 [ 78.844627][ T762] should_failslab+0x9/0x20 [ 78.849135][ T762] slab_pre_alloc_hook+0x25/0xe0 [ 78.854328][ T762] kmem_cache_alloc_trace+0x47/0x2b0 [ 78.859771][ T762] ? percpu_ref_init+0xd0/0x330 [ 78.864822][ T762] percpu_ref_init+0xd0/0x330 [ 78.869620][ T762] ? cgroup_setup_root+0x8a0/0x8a0 [ 78.874832][ T762] cgroup_apply_control_enable+0x49f/0xfc0 [ 78.881244][ T762] cgroup_apply_control+0x36/0x710 [ 78.886548][ T762] ? init_wait_entry+0xe0/0xe0 [ 78.891440][ T762] ? cgroup_kn_lock_live+0x1af/0x370 [ 78.896859][ T762] cgroup_subtree_control_write+0xd05/0x12d0 [ 78.902927][ T762] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 78.908896][ T762] cgroup_file_write+0x22f/0x4f0 [ 78.913841][ T762] kernfs_fop_write_iter+0x2cd/0x410 [ 78.919300][ T762] ? cgroup_seqfile_stop+0xc0/0xc0 [ 78.924947][ T762] vfs_write+0xb57/0xe50 [ 78.930129][ T762] ksys_write+0x157/0x260 [ 78.934616][ T762] __x64_sys_write+0x7b/0x90 [ 78.939345][ T762] do_syscall_64+0x34/0x70 [ 78.943755][ T762] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.949723][ T762] RIP: 0033:0x7f2357f530e9 [ 78.954423][ T762] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 78.976057][ T762] RSP: 002b:00007f2357ea8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.985203][ T762] RAX: ffffffffffffffda RBX: 00007f2358066030 RCX: 00007f2357f530e9 [ 78.994444][ T762] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 79.002604][ T762] RBP: 00007f2357ea81d0 R08: 0000000000000000 R09: 0000000000000000 [ 79.010752][ T762] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 2022/05/31 19:00:52 executed programs: 114 [ 79.019199][ T762] R13: 00007ffdc1ab75bf R14: 00007f2357ea8300 R15: 0000000000022000 [ 79.028822][ T762] !!! cgroup_apply_control_disable [ 79.034644][ T762] !!! cgroup_apply_control_disable kill_css ffff888114e7b400 [ 79.042218][ T762] !!! cgroup_apply_control_disable kill_css ffff888114e7b800 [ 79.062934][ C1] !!! css_killed_ref_fn css ffff888114e7b400 !!! [ 79.070292][ T373] !!! css_release css ffff888114e7b400 !!! [ 79.076414][ C0] !!! css_killed_ref_fn css ffff888114e7b800 !!! [ 79.083056][ T373] !!! css_put is zero set CSS_NO_REF css ffff888114e7b400 !!! [ 79.093736][ T79] !!! css_release css ffff888114e7b800 !!! [ 79.100679][ T79] !!! css_put is zero set CSS_NO_REF css ffff888114e7b800 !!! [ 79.108787][ T771] !!! css_create !!! [ 79.113672][ T771] !!! css_create !!! [ 79.118569][ T771] !!! css_create !!! [ 79.123340][ T771] FAULT_INJECTION: forcing a failure. [ 79.123340][ T771] name failslab, interval 1, probability 0, space 0, times 0 [ 79.137369][ T771] CPU: 1 PID: 771 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 79.149548][ T771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.160815][ T771] Call Trace: [ 79.164115][ T771] dump_stack+0x19c/0x1e2 [ 79.168708][ T771] should_fail+0x3f7/0x5b0 [ 79.173142][ T771] __should_failslab+0xd2/0x130 [ 79.178242][ T771] should_failslab+0x9/0x20 [ 79.183179][ T771] slab_pre_alloc_hook+0x25/0xe0 [ 79.188127][ T771] kmem_cache_alloc_trace+0x47/0x2b0 [ 79.193399][ T771] ? percpu_ref_init+0xd0/0x330 [ 79.198246][ T771] percpu_ref_init+0xd0/0x330 [ 79.203016][ T771] ? cgroup_setup_root+0x8a0/0x8a0 [ 79.208121][ T771] cgroup_apply_control_enable+0x49f/0xfc0 [ 79.214113][ T771] cgroup_apply_control+0x36/0x710 [ 79.219290][ T771] ? init_wait_entry+0xe0/0xe0 [ 79.224034][ T771] ? cgroup_kn_lock_live+0x1af/0x370 [ 79.229650][ T771] cgroup_subtree_control_write+0xd05/0x12d0 [ 79.235615][ T771] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 79.241602][ T771] cgroup_file_write+0x22f/0x4f0 [ 79.246635][ T771] kernfs_fop_write_iter+0x2cd/0x410 [ 79.252197][ T771] ? cgroup_seqfile_stop+0xc0/0xc0 [ 79.257754][ T771] vfs_write+0xb57/0xe50 [ 79.262007][ T771] ksys_write+0x157/0x260 [ 79.266594][ T771] __x64_sys_write+0x7b/0x90 [ 79.271631][ T771] do_syscall_64+0x34/0x70 [ 79.276066][ T771] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.282423][ T771] RIP: 0033:0x7fa0a09b40e9 [ 79.287213][ T771] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 79.307450][ T771] RSP: 002b:00007fa0a0909168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.315865][ T771] RAX: ffffffffffffffda RBX: 00007fa0a0ac7030 RCX: 00007fa0a09b40e9 [ 79.324363][ T771] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 79.332570][ T771] RBP: 00007fa0a09091d0 R08: 0000000000000000 R09: 0000000000000000 [ 79.341165][ T771] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 79.349340][ T771] R13: 00007fffa3e9e33f R14: 00007fa0a0909300 R15: 0000000000022000 [ 79.359814][ T771] !!! cgroup_apply_control_disable [ 79.365579][ T771] !!! cgroup_apply_control_disable kill_css ffff888114dbfc00 [ 79.373404][ T771] !!! cgroup_apply_control_disable kill_css ffff888114dbd400 [ 79.402849][ C1] !!! css_killed_ref_fn css ffff888114dbfc00 !!! [ 79.409912][ C1] !!! css_killed_ref_fn css ffff888114dbd400 !!! [ 79.416911][ T373] !!! css_release css ffff888114dbfc00 !!! [ 79.422918][ T373] !!! css_put is zero set CSS_NO_REF css ffff888114dbfc00 !!! [ 79.430608][ T373] !!! css_release css ffff888114dbd400 !!! [ 79.437875][ T373] !!! css_put is zero set CSS_NO_REF css ffff888114dbd400 !!! [ 79.445880][ T773] !!! css_create !!! [ 79.449856][ T773] !!! css_create !!! [ 79.454097][ T773] !!! css_create !!! [ 79.458296][ T773] FAULT_INJECTION: forcing a failure. [ 79.458296][ T773] name failslab, interval 1, probability 0, space 0, times 0 [ 79.471503][ T773] CPU: 1 PID: 773 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 79.483392][ T773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.493898][ T773] Call Trace: [ 79.497445][ T773] dump_stack+0x19c/0x1e2 [ 79.502073][ T773] should_fail+0x3f7/0x5b0 [ 79.506502][ T773] __should_failslab+0xd2/0x130 [ 79.511891][ T773] should_failslab+0x9/0x20 [ 79.516423][ T773] slab_pre_alloc_hook+0x25/0xe0 [ 79.521390][ T773] ? __kernfs_new_node+0x4c/0x6d0 [ 79.526413][ T773] __kmalloc_track_caller+0x70/0x300 [ 79.531789][ T773] ? __kernfs_new_node+0x4c/0x6d0 [ 79.537082][ T773] kstrdup_const+0x55/0x90 [ 79.542644][ T773] __kernfs_new_node+0x4c/0x6d0 [ 79.547555][ T773] ? string+0x29f/0x2b0 [ 79.551755][ T773] ? vsnprintf+0x1a6c/0x1b30 [ 79.557342][ T773] kernfs_new_node+0x97/0x170 [ 79.563439][ T773] __kernfs_create_file+0x4a/0x270 [ 79.569804][ T773] cgroup_addrm_files+0x99e/0xeb0 [ 79.575026][ T773] ? delete_node+0x747/0x7a0 [ 79.580435][ T773] css_populate_dir+0x137/0x370 [ 79.586120][ T773] cgroup_apply_control_enable+0x31e/0xfc0 [ 79.592207][ T773] cgroup_apply_control+0x36/0x710 [ 79.597410][ T773] ? init_wait_entry+0xe0/0xe0 [ 79.602209][ T773] ? cgroup_kn_lock_live+0x1af/0x370 [ 79.607745][ T773] cgroup_subtree_control_write+0xd05/0x12d0 [ 79.614083][ T773] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 79.620282][ T773] cgroup_file_write+0x22f/0x4f0 [ 79.625331][ T773] kernfs_fop_write_iter+0x2cd/0x410 [ 79.630947][ T773] ? cgroup_seqfile_stop+0xc0/0xc0 [ 79.636622][ T773] vfs_write+0xb57/0xe50 [ 79.641240][ T773] ksys_write+0x157/0x260 [ 79.645976][ T773] __x64_sys_write+0x7b/0x90 [ 79.651291][ T773] do_syscall_64+0x34/0x70 [ 79.656013][ T773] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.663798][ T773] RIP: 0033:0x7f2357f530e9 [ 79.669499][ T773] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 79.691913][ T773] RSP: 002b:00007f2357ec9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.703347][ T773] RAX: ffffffffffffffda RBX: 00007f2358065f60 RCX: 00007f2357f530e9 [ 79.712310][ T773] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 79.720282][ T773] RBP: 00007f2357ec91d0 R08: 0000000000000000 R09: 0000000000000000 [ 79.728290][ T773] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 79.736377][ T773] R13: 00007ffdc1ab75bf R14: 00007f2357ec9300 R15: 0000000000022000 [ 79.744786][ T773] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 79.751978][ T773] !!! cgroup_apply_control_disable [ 79.757174][ T773] !!! cgroup_apply_control_disable kill_css ffff888114d5f400 [ 79.765322][ T773] !!! cgroup_apply_control_disable kill_css ffff88811544bc00 [ 79.773464][ T773] !!! cgroup_apply_control_disable kill_css ffff888115448400 [ 79.802861][ C1] !!! css_killed_ref_fn css ffff888114d5f400 !!! [ 79.809688][ T373] !!! css_release css ffff888114d5f400 !!! [ 79.815851][ T373] !!! css_put is zero set CSS_NO_REF css ffff888114d5f400 !!! [ 79.824098][ C1] !!! css_killed_ref_fn css ffff88811544bc00 !!! [ 79.824111][ C1] !!! css_killed_ref_fn css ffff888115448400 !!! [ 79.837848][ T373] !!! css_release css ffff88811544bc00 !!! [ 79.844524][ T373] !!! css_put is zero set CSS_NO_REF css ffff88811544bc00 !!! [ 79.852271][ T373] !!! css_release css ffff888115448400 !!! [ 79.858278][ T373] !!! css_put is zero set CSS_NO_REF css ffff888115448400 !!! [ 79.866005][ T759] !!! css_create !!! [ 79.870472][ T759] !!! css_create !!! [ 79.874556][ T759] !!! css_create !!! [ 79.878520][ T759] FAULT_INJECTION: forcing a failure. [ 79.878520][ T759] name failslab, interval 1, probability 0, space 0, times 0 [ 79.891804][ T759] CPU: 1 PID: 759 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 79.903632][ T759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.913790][ T759] Call Trace: [ 79.917104][ T759] dump_stack+0x19c/0x1e2 [ 79.923094][ T759] should_fail+0x3f7/0x5b0 [ 79.927501][ T759] __should_failslab+0xd2/0x130 [ 79.932378][ T759] should_failslab+0x9/0x20 [ 79.937523][ T759] slab_pre_alloc_hook+0x25/0xe0 [ 79.942461][ T759] ? __kernfs_new_node+0x4c/0x6d0 [ 79.947979][ T759] __kmalloc_track_caller+0x70/0x300 [ 79.953453][ T759] ? __kernfs_new_node+0x4c/0x6d0 [ 79.958995][ T759] kstrdup_const+0x55/0x90 [ 79.963895][ T759] __kernfs_new_node+0x4c/0x6d0 [ 79.969064][ T759] ? string+0x29f/0x2b0 [ 79.973242][ T759] ? vsnprintf+0x1a6c/0x1b30 [ 79.978016][ T759] kernfs_new_node+0x97/0x170 [ 79.982859][ T759] __kernfs_create_file+0x4a/0x270 [ 79.987997][ T759] cgroup_addrm_files+0x99e/0xeb0 [ 79.993123][ T759] ? delete_node+0x747/0x7a0 [ 79.997739][ T759] css_populate_dir+0x137/0x370 [ 80.002609][ T759] cgroup_apply_control_enable+0x31e/0xfc0 [ 80.008514][ T759] cgroup_apply_control+0x36/0x710 [ 80.013794][ T759] ? init_wait_entry+0xe0/0xe0 [ 80.018789][ T759] ? cgroup_kn_lock_live+0x1af/0x370 [ 80.024104][ T759] cgroup_subtree_control_write+0xd05/0x12d0 [ 80.030226][ T759] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 80.036386][ T759] cgroup_file_write+0x22f/0x4f0 [ 80.041434][ T759] kernfs_fop_write_iter+0x2cd/0x410 [ 80.046808][ T759] ? cgroup_seqfile_stop+0xc0/0xc0 [ 80.051931][ T759] vfs_write+0xb57/0xe50 [ 80.056164][ T759] ksys_write+0x157/0x260 [ 80.060510][ T759] __x64_sys_write+0x7b/0x90 [ 80.065189][ T759] do_syscall_64+0x34/0x70 [ 80.069604][ T759] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.076182][ T759] RIP: 0033:0x7fdacc0480e9 [ 80.080719][ T759] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 80.100628][ T759] RSP: 002b:00007fdacbf9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.109201][ T759] RAX: ffffffffffffffda RBX: 00007fdacc15b030 RCX: 00007fdacc0480e9 [ 80.117503][ T759] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 80.125569][ T759] RBP: 00007fdacbf9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 80.133841][ T759] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 80.142314][ T759] R13: 00007fff1d5cefff R14: 00007fdacbf9d300 R15: 0000000000022000 [ 80.151057][ T759] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 80.158329][ T759] !!! cgroup_apply_control_disable [ 80.163953][ T759] !!! cgroup_apply_control_disable kill_css ffff8881156b5800 [ 80.171535][ T759] !!! cgroup_apply_control_disable kill_css ffff8881156b6c00 [ 80.180056][ T759] !!! cgroup_apply_control_disable kill_css ffff8881156b4800 [ 80.190022][ T407] ------------[ cut here ]------------ [ 80.196102][ T407] WARNING: CPU: 0 PID: 407 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 80.196690][ C1] !!! css_killed_ref_fn css ffff8881156b5800 !!! [ 80.205795][ T407] Modules linked in: [ 80.212344][ T373] !!! css_release css ffff8881156b5800 !!! [ 80.216344][ T407] CPU: 0 PID: 407 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 80.222916][ T373] !!! css_put is zero set CSS_NO_REF css ffff8881156b5800 !!! [ 80.237355][ T407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.237399][ T407] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 80.262534][ T407] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 80.283528][ T407] RSP: 0018:ffffc90000ce7dd0 EFLAGS: 00010293 [ 80.289905][ T407] RAX: ffffffff81af043c RBX: ffff888111806b60 RCX: ffff888105229e80 [ 80.298020][ T407] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 80.307082][ T407] RBP: ffffc90000ce7e40 R08: ffffffff81af0167 R09: fffff5200019cfb2 [ 80.315131][ T407] R10: fffff5200019cfb2 R11: 1ffff9200019cfb1 R12: dffffc0000000000 [ 80.323171][ T407] R13: ffff888111806a80 R14: 00000000ffffffff R15: 0000000000000000 [ 80.331141][ T407] FS: 0000555556931400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 80.340134][ T407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.346936][ T407] CR2: 000055555693ab38 CR3: 0000000116555000 CR4: 00000000003506b0 [ 80.354966][ T407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.363111][ T407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.371247][ T407] Call Trace: [ 80.374782][ T407] path_umount+0x1ad/0xed0 [ 80.379751][ T407] __x64_sys_umount+0xe8/0x110 [ 80.384584][ T407] do_syscall_64+0x34/0x70 [ 80.389025][ T407] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.395460][ T407] RIP: 0033:0x7fdacc049557 [ 80.400069][ T407] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 80.421142][ T407] RSP: 002b:00007fff1d5ce158 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 80.429620][ T407] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdacc049557 [ 80.438129][ T407] RDX: 00007fff1d5ce22a RSI: 000000000000000a RDI: 00007fff1d5ce220 [ 80.447475][ T407] RBP: 00007fff1d5ce220 R08: 00000000ffffffff R09: 00007fff1d5cdff0 [ 80.456092][ T407] R10: 0000555556932ba3 R11: 0000000000000246 R12: 00007fdacc0a11f8 [ 80.464539][ T407] R13: 00007fff1d5cf2e0 R14: 0000555556932b00 R15: 00007fff1d5cf320 [ 80.473405][ T407] ---[ end trace 518ce58d12f18533 ]--- [ 80.484466][ C1] !!! css_killed_ref_fn css ffff8881156b6c00 !!! [ 80.492555][ C1] !!! css_killed_ref_fn css ffff8881156b4800 !!! [ 80.499548][ T373] !!! css_release css ffff8881156b6c00 !!! [ 80.505464][ T373] !!! css_put is zero set CSS_NO_REF css ffff8881156b6c00 !!! [ 80.513795][ T373] !!! css_release css ffff8881156b4800 !!! [ 80.519893][ T373] !!! css_put is zero set CSS_NO_REF css ffff8881156b4800 !!! [ 80.527866][ T756] !!! css_create !!! [ 80.531939][ T756] !!! css_create !!! [ 80.536318][ T756] !!! css_create !!! [ 80.540448][ T756] FAULT_INJECTION: forcing a failure. [ 80.540448][ T756] name failslab, interval 1, probability 0, space 0, times 0 [ 80.553359][ T756] CPU: 1 PID: 756 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 80.565487][ T756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.575975][ T756] Call Trace: [ 80.579478][ T756] dump_stack+0x19c/0x1e2 [ 80.583995][ T756] should_fail+0x3f7/0x5b0 [ 80.588522][ T756] __should_failslab+0xd2/0x130 [ 80.593383][ T756] should_failslab+0x9/0x20 [ 80.598139][ T756] slab_pre_alloc_hook+0x25/0xe0 [ 80.603084][ T756] kmem_cache_alloc_trace+0x47/0x2b0 [ 80.609262][ T756] ? pids_css_alloc+0x4e/0x120 [ 80.614327][ T756] pids_css_alloc+0x4e/0x120 [ 80.619096][ T756] cgroup_apply_control_enable+0x44e/0xfc0 [ 80.625399][ T756] cgroup_apply_control+0x36/0x710 [ 80.630634][ T756] ? init_wait_entry+0xe0/0xe0 [ 80.635679][ T756] ? cgroup_kn_lock_live+0x1af/0x370 [ 80.641352][ T756] cgroup_subtree_control_write+0xd05/0x12d0 [ 80.647351][ T756] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 80.653635][ T756] cgroup_file_write+0x22f/0x4f0 [ 80.658695][ T756] kernfs_fop_write_iter+0x2cd/0x410 [ 80.664009][ T756] ? cgroup_seqfile_stop+0xc0/0xc0 [ 80.669141][ T756] vfs_write+0xb57/0xe50 [ 80.673636][ T756] ksys_write+0x157/0x260 [ 80.678692][ T756] __x64_sys_write+0x7b/0x90 [ 80.683579][ T756] do_syscall_64+0x34/0x70 [ 80.688180][ T756] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.694525][ T756] RIP: 0033:0x7f5ac10b50e9 [ 80.698953][ T756] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 80.718824][ T756] RSP: 002b:00007f5ac100a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.727419][ T756] RAX: ffffffffffffffda RBX: 00007f5ac11c8030 RCX: 00007f5ac10b50e9 [ 80.735478][ T756] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 80.743575][ T756] RBP: 00007f5ac100a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 80.752215][ T756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 80.761944][ T756] R13: 00007ffde09f36cf R14: 00007f5ac100a300 R15: 0000000000022000 [ 80.770664][ T756] !!! cgroup_apply_control_disable [ 80.775820][ T756] !!! cgroup_apply_control_disable kill_css ffff88811eee8c00 [ 80.784834][ T756] !!! cgroup_apply_control_disable kill_css ffff88811eee8400 [ 80.794073][ T414] ------------[ cut here ]------------ [ 80.799578][ T414] WARNING: CPU: 0 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 80.809305][ T414] Modules linked in: [ 80.812868][ C1] !!! css_killed_ref_fn css ffff88811eee8c00 !!! [ 80.815445][ T414] CPU: 0 PID: 414 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 80.822035][ C1] !!! css_killed_ref_fn css ffff88811eee8400 !!! [ 80.833638][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.840197][ T373] !!! css_release css ffff88811eee8c00 !!! [ 80.850606][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 80.856892][ T373] !!! css_put is zero set CSS_NO_REF css ffff88811eee8c00 !!! [ 80.862044][ T414] Code: 48 c7 c2 80 e0 c4 85 e8 62 e1 94 ff e9 da fc ff ff e8 38 0c ba ff e9 d0 fc ff ff e8 2e 0c ba ff e9 c6 fc ff ff e8 24 0c ba ff <0f> 0b e9 32 fd ff ff e8 18 0c ba ff e8 73 6f a7 ff e9 28 fd ff ff [ 80.862052][ T414] RSP: 0018:ffffc90000f07dd0 EFLAGS: 00010293 [ 80.870086][ T781] !!! css_create !!! [ 80.889405][ T414] RAX: ffffffff81af043c RBX: ffff888111807a60 RCX: ffff8881025fadc0 [ 80.896253][ T781] !!! css_create !!! [ 80.899754][ T414] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 80.899763][ T414] RBP: ffffc90000f07e40 R08: ffffffff81af0167 R09: fffff520001e0fb2 [ 80.899771][ T414] R10: fffff520001e0fb2 R11: 1ffff920001e0fb1 R12: dffffc0000000000 [ 80.899787][ T414] R13: ffff888111807980 R14: 00000000ffffffff R15: 0000000000000000 [ 80.908298][ T781] !!! css_create !!! [ 80.911739][ T414] FS: 0000555555bdf400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 80.911748][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.911755][ T414] CR2: 00007ffde09f284c CR3: 0000000116b88000 CR4: 00000000003506b0 [ 80.911770][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.920193][ T781] FAULT_INJECTION: forcing a failure. [ 80.920193][ T781] name failslab, interval 1, probability 0, space 0, times 0 [ 80.927773][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.927779][ T414] Call Trace: [ 80.927798][ T414] path_umount+0x1ad/0xed0 [ 80.927809][ T414] __x64_sys_umount+0xe8/0x110 [ 80.927820][ T414] do_syscall_64+0x34/0x70 [ 80.927831][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.927854][ T414] RIP: 0033:0x7f5ac10b6557 [ 80.936977][ T781] CPU: 1 PID: 781 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 80.944570][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 80.948630][ T781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.958206][ T414] RSP: 002b:00007ffde09f2828 EFLAGS: 00000246 [ 80.964957][ T781] Call Trace: [ 80.964979][ T781] dump_stack+0x19c/0x1e2 [ 80.965002][ T781] should_fail+0x3f7/0x5b0 [ 80.973659][ T414] ORIG_RAX: 00000000000000a6 [ 80.981644][ T781] __should_failslab+0xd2/0x130 [ 80.994529][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ac10b6557 [ 81.002651][ T781] should_failslab+0x9/0x20 [ 81.006291][ T414] RDX: 00007ffde09f28fa RSI: 000000000000000a RDI: 00007ffde09f28f0 [ 81.010696][ T781] slab_pre_alloc_hook+0x25/0xe0 [ 81.015675][ T414] RBP: 00007ffde09f28f0 R08: 00000000ffffffff R09: 00007ffde09f26c0 [ 81.020142][ T781] ? __kernfs_new_node+0x4c/0x6d0 [ 81.026081][ T414] R10: 0000555555be0ba3 R11: 0000000000000246 R12: 00007f5ac110e1f8 [ 81.030448][ T781] __kmalloc_track_caller+0x70/0x300 [ 81.042086][ T414] R13: 00007ffde09f39b0 R14: 0000555555be0b00 R15: 00007ffde09f39f0 [ 81.061731][ T781] ? __kernfs_new_node+0x4c/0x6d0 [ 81.061743][ T781] kstrdup_const+0x55/0x90 [ 81.061753][ T781] __kernfs_new_node+0x4c/0x6d0 [ 81.061762][ T781] ? string+0x29f/0x2b0 [ 81.061770][ T781] ? vsnprintf+0x1a6c/0x1b30 [ 81.061780][ T781] kernfs_new_node+0x97/0x170 [ 81.061789][ T781] __kernfs_create_file+0x4a/0x270 [ 81.061800][ T781] cgroup_addrm_files+0x99e/0xeb0 [ 81.061814][ T781] ? delete_node+0x747/0x7a0 [ 81.061825][ T781] css_populate_dir+0x137/0x370 [ 81.061835][ T781] cgroup_apply_control_enable+0x31e/0xfc0 [ 81.061857][ T781] cgroup_apply_control+0x36/0x710 [ 81.072830][ T414] ---[ end trace 518ce58d12f18534 ]--- [ 81.079057][ T781] ? init_wait_entry+0xe0/0xe0 [ 81.236999][ T781] ? cgroup_kn_lock_live+0x1af/0x370 [ 81.242709][ T781] cgroup_subtree_control_write+0xd05/0x12d0 [ 81.249074][ T781] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 81.255057][ T781] cgroup_file_write+0x22f/0x4f0 [ 81.260070][ T781] kernfs_fop_write_iter+0x2cd/0x410 [ 81.265351][ T781] ? cgroup_seqfile_stop+0xc0/0xc0 [ 81.270466][ T781] vfs_write+0xb57/0xe50 [ 81.275052][ T781] ksys_write+0x157/0x260 [ 81.279564][ T781] __x64_sys_write+0x7b/0x90 [ 81.284165][ T781] do_syscall_64+0x34/0x70 [ 81.288661][ T781] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.294737][ T781] RIP: 0033:0x7fdacc0480e9 [ 81.299276][ T781] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 81.319416][ T781] RSP: 002b:00007fdacbfbe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.328170][ T781] RAX: ffffffffffffffda RBX: 00007fdacc15af60 RCX: 00007fdacc0480e9 [ 81.336478][ T781] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 81.344631][ T781] RBP: 00007fdacbfbe1d0 R08: 0000000000000000 R09: 0000000000000000 [ 81.352837][ T781] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 81.361231][ T781] R13: 00007fff1d5cefff R14: 00007fdacbfbe300 R15: 0000000000022000 [ 81.369986][ T781] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 81.377386][ T781] !!! cgroup_apply_control_disable [ 81.382706][ T781] !!! cgroup_apply_control_disable kill_css ffff88811ef30000 [ 81.390460][ T781] !!! cgroup_apply_control_disable kill_css ffff88811ef30400 [ 81.398587][ T781] !!! cgroup_apply_control_disable kill_css ffff88811ef37000 [ 81.422860][ C1] !!! css_killed_ref_fn css ffff88811ef30000 !!! [ 81.427598][ C0] !!! css_killed_ref_fn css ffff88811ef30400 !!! [ 81.430912][ T373] !!! css_release css ffff88811ef30000 !!! [ 81.436072][ C0] !!! css_release css ffff88811ef30400 !!! [ 81.442338][ T373] !!! css_put is zero set CSS_NO_REF css ffff88811ef30000 !!! [ 81.448934][ C0] !!! css_killed_ref_fn css ffff88811ef37000 !!! [ 81.448992][ C1] list_add corruption. prev->next should be next (ffff8881f7055220), but was ffff88811ef37070. (prev=ffff88811ef30470). [ 81.449078][ C1] ------------[ cut here ]------------ [ 81.449085][ C1] kernel BUG at lib/list_debug.c:28! [ 81.449104][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 81.449117][ C1] CPU: 1 PID: 373 Comm: kworker/1:2 Tainted: G W 5.10.119-syzkaller-00165-g0c6b4937af60 #0 [ 81.449123][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.449142][ C1] Workqueue: cgroup_destroy css_killed_work_fn [ 81.449163][ C1] RIP: 0010:__list_add_valid+0xde/0xf0 [ 81.449172][ C1] Code: f1 31 c0 e8 a7 cc 1b 02 0f 0b 48 c7 c7 90 44 d6 85 e8 b6 f2 19 00 48 c7 c7 80 02 03 85 4c 89 f6 4c 89 e1 31 c0 e8 85 cc 1b 02 <0f> 0b 48 c7 c7 a0 44 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 81.449179][ C1] RSP: 0018:ffffc90000160b30 EFLAGS: 00010046 [ 81.449189][ C1] RAX: 0000000000000075 RBX: ffff8881f7055228 RCX: 4e6d3c802d56a700 [ 81.449194][ C1] RDX: 0000000000000302 RSI: 0000000000000302 RDI: 0000000000000000 [ 81.449201][ C1] RBP: ffffc90000160b58 R08: ffffffff815145c8 R09: fffff5200002c133 [ 81.449208][ C1] R10: fffff5200002c133 R11: 1ffff9200002c132 R12: ffff88811ef30470 [ 81.449215][ C1] R13: dffffc0000000000 R14: ffff8881f7055220 R15: ffffe8ffffc13550 [ 81.449224][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 81.449230][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.449237][ C1] CR2: 00007f5ac15cc000 CR3: 0000000110c83000 CR4: 00000000003506a0 [ 81.449247][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.449253][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.449257][ C1] Call Trace: [ 81.449261][ C1] [ 81.449273][ C1] insert_work+0xfc/0x330 [ 81.449285][ C1] __queue_work+0x99e/0xe20 [ 81.449295][ C1] queue_work_on+0xbe/0x110 [ 81.449307][ C1] ? _raw_spin_lock_bh+0x6e/0x1f0 [ 81.449320][ C1] wg_packet_send_staged_packets+0xae6/0x1120 [ 81.449330][ C1] wg_packet_send_keepalive+0x15b/0x1c0 [ 81.449341][ C1] wg_expired_send_persistent_keepalive+0x52/0x80 [ 81.449353][ C1] ? wg_expired_zero_key_material+0x1a0/0x1a0 [ 81.449362][ C1] call_timer_fn+0x35/0x350 [ 81.449373][ C1] ? wg_expired_zero_key_material+0x1a0/0x1a0 [ 81.449381][ C1] expire_timers+0x21b/0x410 [ 81.449390][ C1] __run_timers+0x5a9/0x700 [ 81.449400][ C1] run_timer_softirq+0x69/0xf0 [ 81.449413][ C1] __do_softirq+0x253/0x67b [ 81.449424][ C1] asm_call_irq_on_stack+0xf/0x20 [ 81.449428][ C1] [ 81.449439][ C1] do_softirq_own_stack+0x60/0x80 [ 81.449451][ C1] __irq_exit_rcu+0x152/0x1e0 [ 81.449459][ C1] irq_exit_rcu+0x9/0x10 [ 81.449469][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 81.449479][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 81.449491][ C1] RIP: 0010:vprintk_emit+0x266/0x340 [ 81.449499][ C1] Code: d0 da 17 00 48 c7 c7 00 0a b9 85 48 89 de e8 51 7f 08 01 f6 c3 01 75 de e8 b7 da 17 00 e8 72 70 00 00 4c 89 75 a0 ff 75 a0 9d d9 fe ff ff e8 a0 da 17 00 eb 05 e8 99 da 17 00 45 89 ef 48 c7 [ 81.449504][ C1] RSP: 0018:ffffc90000b87b88 EFLAGS: 00000246 [ 81.449512][ C1] RAX: ffffffff8151a629 RBX: 0000000000000000 RCX: ffff8881196e0000 [ 81.449518][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 81.449524][ C1] RBP: ffffc90000b87bf0 R08: ffffffff81513573 R09: fffff52000170f69 [ 81.449530][ C1] R10: fffff52000170f69 R11: 1ffff92000170f68 R12: 1ffff92000170f77 [ 81.449536][ C1] R13: 000000000000003b R14: 0000000000000246 R15: 000000000000003b [ 81.449545][ C1] ? vprintk_emit+0x223/0x340 [ 81.449553][ C1] ? __printk_safe_exit+0x9/0x20 [ 81.449563][ C1] vprintk_default+0x26/0x30 [ 81.449571][ C1] vprintk_func+0x19d/0x1e0 [ 81.449579][ C1] printk+0x76/0x96 [ 81.449589][ C1] ? percpu_ref_is_zero+0xe9/0x100 [ 81.449597][ C1] ? percpu_ref_is_zero+0xe9/0x100 [ 81.449606][ C1] css_killed_work_fn+0x2f6/0x500 [ 81.449614][ C1] process_one_work+0x711/0xce0 [ 81.449622][ C1] worker_thread+0xb17/0x1540 [ 81.449633][ C1] kthread+0x365/0x400 [ 81.449640][ C1] ? worker_clr_flags+0x180/0x180 [ 81.449648][ C1] ? kthread_blkcg+0xd0/0xd0 [ 81.449657][ C1] ret_from_fork+0x1f/0x30 [ 81.449662][ C1] Modules linked in: [ 81.449671][ C1] ---[ end trace 518ce58d12f18535 ]--- [ 81.449681][ C1] RIP: 0010:__list_add_valid+0xde/0xf0 [ 81.449688][ C1] Code: f1 31 c0 e8 a7 cc 1b 02 0f 0b 48 c7 c7 90 44 d6 85 e8 b6 f2 19 00 48 c7 c7 80 02 03 85 4c 89 f6 4c 89 e1 31 c0 e8 85 cc 1b 02 <0f> 0b 48 c7 c7 a0 44 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 81.449694][ C1] RSP: 0018:ffffc90000160b30 EFLAGS: 00010046 [ 81.449702][ C1] RAX: 0000000000000075 RBX: ffff8881f7055228 RCX: 4e6d3c802d56a700 [ 81.449707][ C1] RDX: 0000000000000302 RSI: 0000000000000302 RDI: 0000000000000000 [ 81.449713][ C1] RBP: ffffc90000160b58 R08: ffffffff815145c8 R09: fffff5200002c133 [ 81.449720][ C1] R10: fffff5200002c133 R11: 1ffff9200002c132 R12: ffff88811ef30470 [ 81.449726][ C1] R13: dffffc0000000000 R14: ffff8881f7055220 R15: ffffe8ffffc13550 [ 81.449733][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 81.449739][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.449745][ C1] CR2: 00007f5ac15cc000 CR3: 0000000110c83000 CR4: 00000000003506a0 [ 81.449750][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.449755][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.449761][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 82.555467][ C1] Shutting down cpus with NMI [ 82.555708][ C1] Kernel Offset: disabled [ 83.134781][ C1] Rebooting in 86400 seconds..