[ 19.463541][ T372] !!!!! cgroup_kn_unlock css ffff88811c10e000 flags 8c175c0 !!! [ 19.471395][ T372] !!!!! cgroup_kn_unlock css ffff88811a48c010 flags 8c07540 !!! [ 19.479364][ T372] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 19.489441][ T372] !!!!! cgroup_kn_unlock css ffff88811c10a000 flags 8c17780 !!! [ 19.982457][ T98] device bridge_slave_1 left promiscuous mode [ 19.988721][ T98] bridge0: port 2(bridge_slave_1) entered disabled state [ 19.996750][ T98] device bridge_slave_0 left promiscuous mode [ 20.003257][ T98] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.348983][ T23] kauditd_printk_skb: 65 callbacks suppressed [ 30.348993][ T23] audit: type=1400 audit(1654110038.430:148): avc: denied { read } for pid=141 comm="syslogd" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Warning: Permanently added '10.128.1.39' (ECDSA) to the list of known hosts. 2022/06/01 19:00:45 parsed 1 programs [ 37.343422][ T23] audit: type=1400 audit(1654110045.430:149): avc: denied { mounton } for pid=399 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 [ 37.343603][ T399] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 37.374357][ T399] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 37.381826][ T399] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! 2022/06/01 19:00:45 executed programs: 0 [ 37.389509][ T399] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 37.397347][ T399] cgroup: Unknown subsys name 'net' [ 37.403147][ T399] cgroup: Unknown subsys name 'devices' [ 37.410068][ T399] cgroup: Unknown subsys name 'hugetlb' [ 37.415918][ T399] cgroup: Unknown subsys name 'rlimit' [ 37.422449][ T23] audit: type=1400 audit(1654110045.510:150): avc: denied { mounton } for pid=399 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 [ 37.469896][ T23] audit: type=1400 audit(1654110045.510:151): avc: denied { mount } for pid=399 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 [ 37.499810][ T23] audit: type=1400 audit(1654110045.540:152): avc: denied { mounton } for pid=406 comm="syz-executor.2" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 37.552604][ T23] audit: type=1400 audit(1654110045.540:153): avc: denied { module_request } for pid=406 comm="syz-executor.2" kmod="netdev-nr2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 37.619905][ T407] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.627409][ T407] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.634893][ T407] device bridge_slave_0 entered promiscuous mode [ 37.643678][ T407] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.650887][ T407] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.658836][ T407] device bridge_slave_1 entered promiscuous mode [ 37.705578][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.712751][ T406] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.720001][ T406] device bridge_slave_0 entered promiscuous mode [ 37.726801][ T409] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.734097][ T409] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.741404][ T409] device bridge_slave_0 entered promiscuous mode [ 37.753722][ T411] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.760772][ T411] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.768305][ T411] device bridge_slave_0 entered promiscuous mode [ 37.783482][ T411] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.790529][ T411] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.798021][ T411] device bridge_slave_1 entered promiscuous mode [ 37.805375][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.812621][ T406] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.820130][ T406] device bridge_slave_1 entered promiscuous mode [ 37.826765][ T409] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.833966][ T409] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.841277][ T409] device bridge_slave_1 entered promiscuous mode [ 37.852444][ T414] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.859770][ T414] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.867366][ T414] device bridge_slave_0 entered promiscuous mode [ 37.876618][ T407] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.883847][ T407] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.891265][ T407] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.898315][ T407] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.914119][ T414] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.921339][ T414] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.928824][ T414] device bridge_slave_1 entered promiscuous mode [ 37.972344][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.980777][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.989599][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.998192][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.005957][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.074251][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.094313][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.101516][ T413] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.111019][ T413] device bridge_slave_0 entered promiscuous mode [ 38.123786][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.132542][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.140976][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.149194][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.158543][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.166785][ T377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.175295][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.197520][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.204739][ T413] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.213023][ T413] device bridge_slave_1 entered promiscuous mode [ 38.233193][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.241582][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.249061][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.274092][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.287431][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.325385][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.334624][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.343895][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.352590][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.361828][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.370597][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.378927][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.386141][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.393714][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.402508][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.410058][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.417651][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.426057][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.434154][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.442426][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.449447][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.457410][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.465718][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.472758][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.480157][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.505122][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.513269][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.521460][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.529543][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.537702][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.545981][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.554308][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.561781][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.569414][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.577793][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.586507][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.594827][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.612238][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.620642][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.629464][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.637948][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.648017][ T23] audit: type=1400 audit(1654110046.730:154): avc: denied { mount } for pid=407 comm="syz-executor.0" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 38.652390][ T407] !!!!! cgroup_kn_unlock css ffff88811c0f4000 flags 8c188c0 !!! [ 38.679855][ T407] !!!!! cgroup_kn_unlock css ffff88811c10e000 flags 8c175c0 !!! [ 38.688673][ T407] !!!!! cgroup_kn_unlock css ffff88811c10a000 flags 8c17780 !!! [ 38.702622][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.711052][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.719314][ T376] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.719376][ T23] audit: type=1400 audit(1654110046.800:155): avc: denied { mounton } for pid=434 comm="syz-executor.0" path="/root/syzkaller-testdir1987234663/syzkaller.LZ8V3y/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 38.726387][ T376] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.726815][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.727070][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.727240][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.727412][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.727604][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.727790][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.728533][ T435] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 38.822943][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.831171][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.839405][ C0] !!!!! css_killed_ref_fn css ffff88811c0f8000 !!! [ 38.846255][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.854916][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.863404][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.871591][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.880090][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.888556][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.897156][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.906351][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.914191][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.922380][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.922936][ T23] audit: type=1400 audit(1654110047.010:156): 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 [ 38.930965][ T376] !!!!! css_release css ffff88811c0f8000 !!! [ 38.952876][ T23] audit: type=1400 audit(1654110047.010:157): 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 [ 38.958344][ T435] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 38.981001][ T23] audit: type=1400 audit(1654110047.010:158): 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 [ 39.025034][ T438] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 39.039290][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.047192][ C0] !!!!! css_killed_ref_fn css ffff88810b2f8800 !!! [ 39.053924][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.062058][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.072306][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.081011][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.089389][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.097472][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.106240][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.114627][ T376] !!!!! css_release css ffff88810b2f8800 !!! [ 39.126652][ T438] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 39.136043][ T411] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 39.149586][ T440] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 39.157863][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.158825][ T411] !!!!! cgroup_kn_unlock css ffff88810bedc000 flags 8c49130 !!! [ 39.166190][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.173202][ C0] !!!!! css_killed_ref_fn css ffff88810bfa3c00 !!! [ 39.187206][ T74] !!!!! css_release css ffff88810bfa3c00 !!! [ 39.193610][ C0] !!!!! css_killed_ref_fn css ffff88810bf3a800 !!! [ 39.200598][ T411] !!!!! cgroup_kn_unlock css ffff88811a4b0010 flags 8c07568 !!! [ 39.201832][ T414] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 39.208903][ T411] !!!!! cgroup_kn_unlock css ffff88810c2d0000 flags 8c46570 !!! [ 39.218109][ T74] !!!!! css_release css ffff88810bf3a800 !!! [ 39.230192][ T440] FAULT_INJECTION: forcing a failure. [ 39.230192][ T440] name failslab, interval 1, probability 0, space 0, times 1 [ 39.235621][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.244479][ T440] CPU: 0 PID: 440 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 39.251592][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.261082][ T440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.261086][ T440] Call Trace: [ 39.261103][ T440] dump_stack+0x19c/0x1e2 [ 39.261113][ T440] should_fail+0x3f7/0x5b0 [ 39.261124][ T440] __should_failslab+0xd2/0x130 [ 39.261131][ T440] should_failslab+0x9/0x20 [ 39.261141][ T440] slab_pre_alloc_hook+0x25/0xe0 [ 39.261151][ T440] ? __kernfs_new_node+0x4c/0x6d0 [ 39.261158][ T440] __kmalloc_track_caller+0x70/0x300 [ 39.261166][ T440] ? __kernfs_new_node+0x4c/0x6d0 [ 39.261175][ T440] kstrdup_const+0x55/0x90 [ 39.261183][ T440] __kernfs_new_node+0x4c/0x6d0 [ 39.261191][ T440] ? string+0x29f/0x2b0 [ 39.261199][ T440] ? vsnprintf+0x1a6c/0x1b30 [ 39.261207][ T440] kernfs_new_node+0x97/0x170 [ 39.261215][ T440] __kernfs_create_file+0x4a/0x270 [ 39.261225][ T440] cgroup_addrm_files+0x99e/0xeb0 [ 39.261244][ T440] ? delete_node+0x747/0x7a0 [ 39.271395][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.279183][ T440] css_populate_dir+0x137/0x370 [ 39.279195][ T440] cgroup_apply_control_enable+0x5cd/0xf70 [ 39.279205][ T440] cgroup_apply_control+0x36/0x710 [ 39.279214][ T440] ? init_wait_entry+0xe0/0xe0 [ 39.279222][ T440] ? cgroup_kn_lock_live+0x1af/0x370 [ 39.279234][ T440] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.279244][ T440] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.279253][ T440] cgroup_file_write+0x22f/0x4f0 [ 39.279269][ T440] kernfs_fop_write_iter+0x2cd/0x410 [ 39.279279][ T440] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.279288][ T440] vfs_write+0xb57/0xe50 [ 39.279298][ T440] ksys_write+0x157/0x260 [ 39.279306][ T440] __x64_sys_write+0x7b/0x90 [ 39.279315][ T440] do_syscall_64+0x34/0x70 [ 39.279324][ T440] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.279343][ T440] RIP: 0033:0x7f9cc69dd0e9 [ 39.283901][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.287087][ 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 [ 39.291698][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.296300][ T440] RSP: 002b:00007f9cc6953168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.296312][ T440] RAX: ffffffffffffffda RBX: 00007f9cc6aeff60 RCX: 00007f9cc69dd0e9 [ 39.296318][ T440] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.296323][ T440] RBP: 00007f9cc69531d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.296328][ T440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.296334][ T440] R13: 00007ffe35d1836f R14: 00007f9cc6953300 R15: 0000000000022000 [ 39.296640][ T440] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 39.301905][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.306747][ T414] !!!!! cgroup_kn_unlock css ffff88810bfcc000 flags 8c46730 !!! [ 39.312098][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.316513][ T440] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 39.573709][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.582071][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.582224][ C0] !!!!! css_killed_ref_fn css ffff88810c265c00 !!! [ 39.590413][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.596608][ C0] !!!!! css_killed_ref_fn css ffff88810c266c00 !!! [ 39.605153][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.611151][ C0] !!!!! css_killed_ref_fn css ffff88810c264000 !!! [ 39.619620][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.634545][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.641554][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.649232][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.657653][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.665836][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.672860][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.692222][ T411] !!!!! cgroup_kn_unlock css ffff88811a48c010 flags 8c07540 !!! [ 39.696339][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.707968][ T414] !!!!! cgroup_kn_unlock css ffff88811a4b0010 flags 8c07568 !!! [ 39.708062][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.716067][ T376] !!!!! css_release css ffff88810c265c00 !!! [ 39.716085][ T376] !!!!! css_release css ffff88810c266c00 !!! [ 39.716092][ T376] !!!!! css_release css ffff88810c264000 !!! [ 39.716615][ T406] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 39.726180][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.731316][ T411] !!!!! cgroup_kn_unlock css ffff88811eb38000 flags 8c46e68 !!! [ 39.739794][ T414] !!!!! cgroup_kn_unlock css ffff88810c5bc000 flags 8c454d0 !!! [ 39.744470][ T406] !!!!! cgroup_kn_unlock css ffff88810c5ba000 flags 8c45108 !!! [ 39.792440][ T414] !!!!! cgroup_kn_unlock css ffff88811a48c010 flags 8c07540 !!! [ 39.792513][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.800427][ T446] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 39.816658][ T406] !!!!! cgroup_kn_unlock css ffff88811a4b0010 flags 8c07568 !!! [ 39.817084][ T409] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 39.824752][ T406] !!!!! cgroup_kn_unlock css ffff88810c710000 flags 8c48000 !!! [ 39.832466][ T448] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 39.840400][ T414] !!!!! cgroup_kn_unlock css ffff88810c60e000 flags 8c452e0 !!! [ 39.848346][ T409] !!!!! cgroup_kn_unlock css ffff88810c634000 flags 8c48030 !!! [ 39.855800][ T449] FAULT_INJECTION: forcing a failure. [ 39.855800][ T449] name failslab, interval 1, probability 0, space 0, times 0 [ 39.862744][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.880925][ T449] CPU: 1 PID: 449 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 39.888270][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.893572][ T449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.893577][ T449] Call Trace: [ 39.893594][ T449] dump_stack+0x19c/0x1e2 [ 39.893605][ T449] should_fail+0x3f7/0x5b0 [ 39.893614][ T449] __should_failslab+0xd2/0x130 [ 39.893625][ T449] ? __kernfs_new_node+0x97/0x6d0 [ 39.893632][ T449] should_failslab+0x9/0x20 [ 39.893650][ T449] slab_pre_alloc_hook+0x25/0xe0 [ 39.901510][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.911290][ T449] ? __kernfs_new_node+0x97/0x6d0 [ 39.911300][ T449] kmem_cache_alloc+0x40/0x2a0 [ 39.911309][ T449] __kernfs_new_node+0x97/0x6d0 [ 39.911325][ T449] ? string+0x29f/0x2b0 [ 39.914808][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.918908][ T449] ? vsnprintf+0x1a6c/0x1b30 [ 39.923867][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.928289][ T449] kernfs_new_node+0x97/0x170 [ 39.928300][ T449] __kernfs_create_file+0x4a/0x270 [ 39.928321][ T449] cgroup_addrm_files+0x99e/0xeb0 [ 40.005127][ T449] ? delete_node+0x747/0x7a0 [ 40.009699][ T449] css_populate_dir+0x137/0x370 [ 40.014561][ T449] cgroup_apply_control_enable+0x5cd/0xf70 [ 40.020348][ T449] cgroup_apply_control+0x36/0x710 [ 40.025438][ T449] ? init_wait_entry+0xe0/0xe0 [ 40.030182][ T449] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.035444][ T449] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.041413][ T449] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.047389][ T449] cgroup_file_write+0x22f/0x4f0 [ 40.052322][ T449] kernfs_fop_write_iter+0x2cd/0x410 [ 40.057621][ T449] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.062715][ T449] vfs_write+0xb57/0xe50 [ 40.066946][ T449] ksys_write+0x157/0x260 [ 40.071327][ T449] __x64_sys_write+0x7b/0x90 [ 40.076232][ T449] do_syscall_64+0x34/0x70 [ 40.080641][ T449] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.086511][ T449] RIP: 0033:0x7fbcefa2f0e9 [ 40.090923][ T449] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.110598][ T449] RSP: 002b:00007fbcef984168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.119045][ T449] RAX: ffffffffffffffda RBX: 00007fbcefb42030 RCX: 00007fbcefa2f0e9 [ 40.127095][ T449] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.135234][ T449] RBP: 00007fbcef9841d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.143369][ T449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.151520][ T449] R13: 00007ffcb42ef26f R14: 00007fbcef984300 R15: 0000000000022000 [ 40.168297][ T449] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.177052][ T449] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 40.188659][ T436] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.196982][ T436] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.205159][ C0] !!!!! css_killed_ref_fn css ffff88810c893c00 !!! [ 40.205169][ C0] !!!!! css_killed_ref_fn css ffff88810c893000 !!! [ 40.205174][ C0] !!!!! css_killed_ref_fn css ffff88810c893400 !!! [ 40.225797][ T436] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.234161][ T436] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.247974][ T406] !!!!! cgroup_kn_unlock css ffff88811a48c010 flags 8c07540 !!! [ 40.257777][ T409] !!!!! cgroup_kn_unlock css ffff88811a4b0010 flags 8c07568 !!! [ 40.266900][ T74] !!!!! css_release css ffff88810c893c00 !!! [ 40.273623][ T377] !!!!! css_release css ffff88810c893000 !!! [ 40.281563][ T413] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 40.286494][ T406] !!!!! cgroup_kn_unlock css ffff88810c844000 flags 8c48ea0 !!! [ 40.290184][ T377] !!!!! css_release css ffff88810c893400 !!! [ 40.308376][ T409] !!!!! cgroup_kn_unlock css ffff88810c95e000 flags 8c48fc0 !!! [ 40.310788][ T458] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 40.316431][ T452] FAULT_INJECTION: forcing a failure. [ 40.316431][ T452] name failslab, interval 1, probability 0, space 0, times 0 [ 40.336504][ T452] CPU: 0 PID: 452 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 40.346783][ T452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.357092][ T452] Call Trace: [ 40.360396][ T452] dump_stack+0x19c/0x1e2 [ 40.364706][ T452] should_fail+0x3f7/0x5b0 [ 40.369103][ T452] __should_failslab+0xd2/0x130 [ 40.374228][ T452] should_failslab+0x9/0x20 [ 40.378822][ T452] slab_pre_alloc_hook+0x25/0xe0 [ 40.384035][ T452] ? __kernfs_new_node+0x4c/0x6d0 [ 40.389370][ T452] __kmalloc_track_caller+0x70/0x300 [ 40.395661][ T452] ? __kernfs_new_node+0x4c/0x6d0 [ 40.401193][ T452] kstrdup_const+0x55/0x90 [ 40.405705][ T452] __kernfs_new_node+0x4c/0x6d0 [ 40.410904][ T452] ? string+0x29f/0x2b0 [ 40.415061][ T452] ? vsnprintf+0x1a6c/0x1b30 [ 40.419835][ T452] kernfs_new_node+0x97/0x170 [ 40.424696][ T452] __kernfs_create_file+0x4a/0x270 [ 40.430018][ T452] cgroup_addrm_files+0x99e/0xeb0 [ 40.435126][ T452] ? delete_node+0x747/0x7a0 [ 40.440058][ T452] ? __kthread_should_park+0xaa/0xe0 [ 40.445636][ T452] css_populate_dir+0x137/0x370 [ 40.450711][ T452] cgroup_apply_control_enable+0x5cd/0xf70 [ 40.456514][ T452] cgroup_apply_control+0x36/0x710 [ 40.461814][ T452] ? init_wait_entry+0xe0/0xe0 [ 40.466559][ T452] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.471840][ T452] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.478568][ T452] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.485082][ T452] cgroup_file_write+0x22f/0x4f0 [ 40.490302][ T452] kernfs_fop_write_iter+0x2cd/0x410 [ 40.496206][ T452] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.501562][ T452] vfs_write+0xb57/0xe50 [ 40.505971][ T452] ksys_write+0x157/0x260 [ 40.510317][ T452] __x64_sys_write+0x7b/0x90 [ 40.519420][ T452] do_syscall_64+0x34/0x70 [ 40.523890][ T452] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.530227][ T452] RIP: 0033:0x7f9cc69dd0e9 [ 40.535022][ T452] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.556993][ T452] RSP: 002b:00007f9cc6932168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.566189][ T452] RAX: ffffffffffffffda RBX: 00007f9cc6af0030 RCX: 00007f9cc69dd0e9 [ 40.574720][ T452] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.583041][ T452] RBP: 00007f9cc69321d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.591146][ T452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.599516][ T452] R13: 00007ffe35d1836f R14: 00007f9cc6932300 R15: 0000000000022000 [ 40.610103][ T452] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.617644][ T452] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 40.617799][ T413] !!!!! cgroup_kn_unlock css ffff88810cca6000 flags 8c4b550 !!! [ 40.634004][ T409] !!!!! cgroup_kn_unlock css ffff88811a48c010 flags 8c07540 !!! [ 40.641963][ T413] !!!!! cgroup_kn_unlock css ffff88811a4b0010 flags 8c07568 !!! [ 40.642561][ T409] !!!!! cgroup_kn_unlock css ffff88810ccb4000 flags 8c48fd8 !!! [ 40.650647][ T413] !!!!! cgroup_kn_unlock css ffff88810cde2000 flags 8c44000 !!! [ 40.665651][ C1] !!!!! css_killed_ref_fn css ffff88810cd6c800 !!! [ 40.665679][ C1] !!!!! css_killed_ref_fn css ffff88810cd6e400 !!! [ 40.665689][ C1] !!!!! css_killed_ref_fn css ffff88810cd6cc00 !!! [ 40.685300][ T381] !!!!! css_release css ffff88810cd6c800 !!! [ 40.692679][ T381] !!!!! css_release css ffff88810cd6e400 !!! [ 40.699036][ T413] !!!!! cgroup_kn_unlock css ffff88811a48c010 flags 8c07540 !!! [ 40.702844][ T381] !!!!! css_release css ffff88810cd6cc00 !!! [ 40.713392][ T458] FAULT_INJECTION: forcing a failure. [ 40.713392][ T458] name failslab, interval 1, probability 0, space 0, times 0 [ 40.726367][ T458] CPU: 1 PID: 458 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 40.737003][ T458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.747067][ T458] Call Trace: [ 40.750536][ T458] dump_stack+0x19c/0x1e2 [ 40.755125][ T458] should_fail+0x3f7/0x5b0 [ 40.759531][ T458] __should_failslab+0xd2/0x130 [ 40.764387][ T458] should_failslab+0x9/0x20 [ 40.768882][ T458] slab_pre_alloc_hook+0x25/0xe0 [ 40.773826][ T458] ? __kernfs_new_node+0x4c/0x6d0 [ 40.778836][ T458] __kmalloc_track_caller+0x70/0x300 [ 40.784192][ T458] ? __kernfs_new_node+0x4c/0x6d0 [ 40.789200][ T458] kstrdup_const+0x55/0x90 [ 40.793682][ T458] __kernfs_new_node+0x4c/0x6d0 [ 40.798528][ T458] ? string+0x29f/0x2b0 [ 40.802678][ T458] ? vsnprintf+0x1a6c/0x1b30 [ 40.807262][ T458] kernfs_new_node+0x97/0x170 [ 40.811928][ T458] __kernfs_create_file+0x4a/0x270 [ 40.817152][ T458] cgroup_addrm_files+0x99e/0xeb0 [ 40.822179][ T458] ? delete_node+0x747/0x7a0 [ 40.826780][ T458] css_populate_dir+0x137/0x370 [ 40.831645][ T458] cgroup_apply_control_enable+0x5cd/0xf70 [ 40.837534][ T458] cgroup_apply_control+0x36/0x710 [ 40.842645][ T458] ? init_wait_entry+0xe0/0xe0 [ 40.847525][ T458] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.852927][ T458] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.859090][ T458] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.865119][ T458] cgroup_file_write+0x22f/0x4f0 [ 40.870050][ T458] kernfs_fop_write_iter+0x2cd/0x410 [ 40.875330][ T458] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.880429][ T458] vfs_write+0xb57/0xe50 [ 40.884696][ T458] ksys_write+0x157/0x260 [ 40.889044][ T458] __x64_sys_write+0x7b/0x90 [ 40.893640][ T458] do_syscall_64+0x34/0x70 [ 40.898071][ T458] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.904079][ T458] RIP: 0033:0x7f078c1e90e9 [ 40.908479][ T458] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.928592][ T458] RSP: 002b:00007f078c15f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.937213][ T458] RAX: ffffffffffffffda RBX: 00007f078c2fbf60 RCX: 00007f078c1e90e9 [ 40.945447][ T458] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.954134][ T458] RBP: 00007f078c15f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.962242][ T458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.970324][ T458] R13: 00007fff8676ec3f R14: 00007f078c15f300 R15: 0000000000022000 [ 40.979525][ T458] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.987020][ T458] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 40.987152][ T413] !!!!! cgroup_kn_unlock css ffff88810d062000 flags 8c44118 !!! [ 41.012250][ C1] !!!!! css_killed_ref_fn css ffff88811ec35000 !!! [ 41.019159][ C1] !!!!! css_killed_ref_fn css ffff88811ec37800 !!! [ 41.025691][ C1] !!!!! css_killed_ref_fn css ffff88811ec34400 !!! [ 41.032295][ T381] !!!!! css_release css ffff88811ec35000 !!! [ 41.038347][ T381] !!!!! css_release css ffff88811ec37800 !!! [ 41.044814][ T381] !!!!! css_release css ffff88811ec34400 !!! [ 41.051085][ T472] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 41.051102][ T465] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 41.059065][ T472] FAULT_INJECTION: forcing a failure. [ 41.059065][ T472] name failslab, interval 1, probability 0, space 0, times 0 [ 41.079401][ T472] CPU: 0 PID: 472 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 41.089534][ T472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.099589][ T472] Call Trace: [ 41.102902][ T472] dump_stack+0x19c/0x1e2 [ 41.107231][ T472] should_fail+0x3f7/0x5b0 [ 41.111628][ T472] __should_failslab+0xd2/0x130 [ 41.116470][ T472] should_failslab+0x9/0x20 [ 41.120969][ T472] slab_pre_alloc_hook+0x25/0xe0 [ 41.125936][ T472] ? __kernfs_new_node+0x4c/0x6d0 [ 41.131041][ T472] __kmalloc_track_caller+0x70/0x300 [ 41.136596][ T472] ? __kernfs_new_node+0x4c/0x6d0 [ 41.141780][ T472] kstrdup_const+0x55/0x90 [ 41.146741][ T472] __kernfs_new_node+0x4c/0x6d0 [ 41.151699][ T472] ? string+0x29f/0x2b0 [ 41.155859][ T472] ? vsnprintf+0x1a6c/0x1b30 [ 41.160434][ T472] kernfs_new_node+0x97/0x170 [ 41.165092][ T472] __kernfs_create_file+0x4a/0x270 [ 41.170191][ T472] cgroup_addrm_files+0x99e/0xeb0 [ 41.175313][ T472] ? delete_node+0x747/0x7a0 [ 41.180219][ T472] css_populate_dir+0x137/0x370 [ 41.185075][ T472] cgroup_apply_control_enable+0x5cd/0xf70 [ 41.190882][ T472] cgroup_apply_control+0x36/0x710 [ 41.195976][ T472] ? init_wait_entry+0xe0/0xe0 [ 41.201200][ T472] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.206486][ T472] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.212566][ T472] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.218614][ T472] cgroup_file_write+0x22f/0x4f0 [ 41.223536][ T472] kernfs_fop_write_iter+0x2cd/0x410 [ 41.228921][ T472] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.234025][ T472] vfs_write+0xb57/0xe50 [ 41.238253][ T472] ksys_write+0x157/0x260 [ 41.242585][ T472] __x64_sys_write+0x7b/0x90 [ 41.247296][ T472] do_syscall_64+0x34/0x70 [ 41.251768][ T472] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.257666][ T472] RIP: 0033:0x7f180d02e0e9 [ 41.262316][ T472] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.282847][ T472] RSP: 002b:00007f180cfa4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.291251][ T472] RAX: ffffffffffffffda RBX: 00007f180d140f60 RCX: 00007f180d02e0e9 [ 41.299207][ T472] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.307169][ T472] RBP: 00007f180cfa41d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.315142][ T472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.323102][ T472] R13: 00007ffd52219b3f R14: 00007f180cfa4300 R15: 0000000000022000 [ 41.334776][ T472] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.342035][ T472] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 41.372368][ C1] !!!!! css_killed_ref_fn css ffff88811ec6a400 !!! [ 41.379163][ T381] !!!!! css_release css ffff88811ec6a400 !!! [ 41.385582][ C1] !!!!! css_killed_ref_fn css ffff88811ec68c00 !!! [ 41.392160][ C1] !!!!! css_killed_ref_fn css ffff88811ec6bc00 !!! [ 41.398875][ T381] !!!!! css_release css ffff88811ec68c00 !!! [ 41.405435][ T381] !!!!! css_release css ffff88811ec6bc00 !!! [ 41.411615][ T469] FAULT_INJECTION: forcing a failure. [ 41.411615][ T469] name failslab, interval 1, probability 0, space 0, times 0 [ 41.424747][ T469] CPU: 0 PID: 469 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 41.434998][ T469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.445134][ T469] Call Trace: [ 41.448403][ T469] dump_stack+0x19c/0x1e2 [ 41.452768][ T469] should_fail+0x3f7/0x5b0 [ 41.457186][ T469] __should_failslab+0xd2/0x130 [ 41.462016][ T469] should_failslab+0x9/0x20 [ 41.466512][ T469] slab_pre_alloc_hook+0x25/0xe0 [ 41.471460][ T469] ? __kernfs_new_node+0x4c/0x6d0 [ 41.477021][ T469] __kmalloc_track_caller+0x70/0x300 [ 41.482376][ T469] ? __kernfs_new_node+0x4c/0x6d0 [ 41.488105][ T469] kstrdup_const+0x55/0x90 [ 41.492793][ T469] __kernfs_new_node+0x4c/0x6d0 [ 41.497771][ T469] ? string+0x29f/0x2b0 [ 41.502130][ T469] ? vsnprintf+0x1a6c/0x1b30 [ 41.506804][ T469] kernfs_new_node+0x97/0x170 [ 41.511462][ T469] __kernfs_create_file+0x4a/0x270 [ 41.516767][ T469] cgroup_addrm_files+0x99e/0xeb0 [ 41.521874][ T469] ? delete_node+0x747/0x7a0 [ 41.526457][ T469] css_populate_dir+0x137/0x370 [ 41.531411][ T469] cgroup_apply_control_enable+0x5cd/0xf70 [ 41.537225][ T469] cgroup_apply_control+0x36/0x710 [ 41.542436][ T469] ? init_wait_entry+0xe0/0xe0 [ 41.547734][ T469] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.552999][ T469] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.559060][ T469] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.565025][ T469] cgroup_file_write+0x22f/0x4f0 [ 41.570033][ T469] kernfs_fop_write_iter+0x2cd/0x410 [ 41.575684][ T469] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.580779][ T469] vfs_write+0xb57/0xe50 [ 41.585101][ T469] ksys_write+0x157/0x260 [ 41.589408][ T469] __x64_sys_write+0x7b/0x90 [ 41.594148][ T469] do_syscall_64+0x34/0x70 [ 41.598669][ T469] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.604904][ T469] RIP: 0033:0x7fbcefa2f0e9 [ 41.609879][ T469] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.630968][ T469] RSP: 002b:00007fbcef984168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.639551][ T469] RAX: ffffffffffffffda RBX: 00007fbcefb42030 RCX: 00007fbcefa2f0e9 [ 41.647908][ T469] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.656440][ T469] RBP: 00007fbcef9841d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.664585][ T469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.672548][ T469] R13: 00007ffcb42ef26f R14: 00007fbcef984300 R15: 0000000000022000 [ 41.682654][ T469] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.689947][ T469] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 41.704362][ C1] !!!!! css_killed_ref_fn css ffff88811ed09c00 !!! [ 41.710921][ C1] !!!!! css_killed_ref_fn css ffff88811ed0ac00 !!! [ 41.717720][ C1] !!!!! css_killed_ref_fn css ffff88811ed08000 !!! [ 41.724296][ T381] !!!!! css_release css ffff88811ed09c00 !!! [ 41.730286][ T381] !!!!! css_release css ffff88811ed0ac00 !!! [ 41.736586][ T381] !!!!! css_release css ffff88811ed08000 !!! [ 41.742806][ T464] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 41.742824][ T467] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 41.750589][ T468] FAULT_INJECTION: forcing a failure. [ 41.750589][ T468] name failslab, interval 1, probability 0, space 0, times 0 [ 41.770616][ T468] CPU: 0 PID: 468 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 41.780874][ T468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.791265][ T468] Call Trace: [ 41.794548][ T468] dump_stack+0x19c/0x1e2 [ 41.798990][ T468] should_fail+0x3f7/0x5b0 [ 41.803621][ T468] __should_failslab+0xd2/0x130 [ 41.808815][ T468] should_failslab+0x9/0x20 [ 41.813499][ T468] slab_pre_alloc_hook+0x25/0xe0 [ 41.818444][ T468] kmem_cache_alloc_trace+0x47/0x2b0 [ 41.823836][ T468] ? percpu_ref_init+0xd0/0x330 [ 41.828718][ T468] percpu_ref_init+0xd0/0x330 [ 41.833389][ T468] ? cgroup_setup_root+0x8a0/0x8a0 [ 41.838493][ T468] cgroup_apply_control_enable+0x3d2/0xf70 [ 41.844360][ T468] cgroup_apply_control+0x36/0x710 [ 41.849799][ T468] ? init_wait_entry+0xe0/0xe0 [ 41.854636][ T468] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.860071][ T468] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.866131][ T468] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.872101][ T468] cgroup_file_write+0x22f/0x4f0 [ 41.877107][ T468] kernfs_fop_write_iter+0x2cd/0x410 [ 41.882382][ T468] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.887664][ T468] vfs_write+0xb57/0xe50 [ 41.891892][ T468] ksys_write+0x157/0x260 [ 41.896235][ T468] __x64_sys_write+0x7b/0x90 [ 41.900838][ T468] do_syscall_64+0x34/0x70 [ 41.905420][ T468] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.911390][ T468] RIP: 0033:0x7f6982a9f0e9 [ 41.915802][ T468] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.935387][ T468] RSP: 002b:00007f69829f4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.943833][ T468] RAX: ffffffffffffffda RBX: 00007f6982bb2030 RCX: 00007f6982a9f0e9 [ 41.951898][ T468] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.959871][ T468] RBP: 00007f69829f41d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.967837][ T468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.975795][ T468] R13: 00007ffcbf419c0f R14: 00007f69829f4300 R15: 0000000000022000 [ 41.985249][ T468] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 42.012242][ C0] !!!!! css_killed_ref_fn css ffff88810d9f4400 !!! [ 42.019061][ C0] !!!!! css_killed_ref_fn css ffff88810d9f6800 !!! [ 42.025912][ T377] !!!!! css_release css ffff88810d9f4400 !!! [ 42.032101][ T377] !!!!! css_release css ffff88810d9f6800 !!! [ 42.038922][ T470] FAULT_INJECTION: forcing a failure. [ 42.038922][ T470] name failslab, interval 1, probability 0, space 0, times 0 [ 42.052678][ T470] CPU: 1 PID: 470 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 42.063077][ T470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.073116][ T470] Call Trace: [ 42.076391][ T470] dump_stack+0x19c/0x1e2 [ 42.080704][ T470] should_fail+0x3f7/0x5b0 [ 42.085200][ T470] __should_failslab+0xd2/0x130 [ 42.090067][ T470] should_failslab+0x9/0x20 [ 42.094590][ T470] slab_pre_alloc_hook+0x25/0xe0 [ 42.099617][ T470] kmem_cache_alloc_trace+0x47/0x2b0 [ 42.104911][ T470] ? percpu_ref_init+0xd0/0x330 [ 42.109777][ T470] percpu_ref_init+0xd0/0x330 [ 42.114553][ T470] ? cgroup_setup_root+0x8a0/0x8a0 [ 42.119736][ T470] cgroup_apply_control_enable+0x3d2/0xf70 [ 42.125722][ T470] cgroup_apply_control+0x36/0x710 [ 42.130965][ T470] ? init_wait_entry+0xe0/0xe0 [ 42.135808][ T470] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.141181][ T470] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.147249][ T470] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.153356][ T470] cgroup_file_write+0x22f/0x4f0 [ 42.158472][ T470] kernfs_fop_write_iter+0x2cd/0x410 [ 42.163766][ T470] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.168865][ T470] vfs_write+0xb57/0xe50 [ 42.173089][ T470] ksys_write+0x157/0x260 [ 42.177524][ T470] __x64_sys_write+0x7b/0x90 [ 42.182116][ T470] do_syscall_64+0x34/0x70 [ 42.186625][ T470] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.192504][ T470] RIP: 0033:0x7f37794a90e9 [ 42.196900][ T470] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.216494][ T470] RSP: 002b:00007f37793fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.225070][ T470] RAX: ffffffffffffffda RBX: 00007f37795bc030 RCX: 00007f37794a90e9 [ 42.233524][ T470] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.241740][ T470] RBP: 00007f37793fe1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.250235][ T470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.258200][ T470] R13: 00007ffda94bf40f R14: 00007f37793fe300 R15: 0000000000022000 [ 42.267255][ T470] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 42.292256][ C1] !!!!! css_killed_ref_fn css ffff88810da5d400 !!! [ 42.299542][ C1] !!!!! css_killed_ref_fn css ffff88810da5d800 !!! [ 42.306452][ T24] !!!!! css_release css ffff88810da5d400 !!! [ 42.312690][ T24] !!!!! css_release css ffff88810da5d800 !!! [ 42.318958][ T482] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 42.318980][ T489] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 42.326733][ T480] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 42.334628][ T489] FAULT_INJECTION: forcing a failure. [ 42.334628][ T489] name failslab, interval 1, probability 0, space 0, times 0 [ 42.354928][ T489] CPU: 0 PID: 489 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 42.365353][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.375830][ T489] Call Trace: [ 42.379205][ T489] dump_stack+0x19c/0x1e2 [ 42.383982][ T489] should_fail+0x3f7/0x5b0 [ 42.388675][ T489] __should_failslab+0xd2/0x130 [ 42.393700][ T489] should_failslab+0x9/0x20 [ 42.398207][ T489] slab_pre_alloc_hook+0x25/0xe0 [ 42.403345][ T489] kmem_cache_alloc_trace+0x47/0x2b0 [ 42.408832][ T489] ? percpu_ref_init+0xd0/0x330 [ 42.414042][ T489] percpu_ref_init+0xd0/0x330 [ 42.418880][ T489] ? cgroup_setup_root+0x8a0/0x8a0 [ 42.424553][ T489] cgroup_apply_control_enable+0x3d2/0xf70 [ 42.430972][ T489] cgroup_apply_control+0x36/0x710 [ 42.436884][ T489] ? init_wait_entry+0xe0/0xe0 [ 42.441647][ T489] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.446963][ T489] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.453225][ T489] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.459998][ T489] cgroup_file_write+0x22f/0x4f0 [ 42.465445][ T489] kernfs_fop_write_iter+0x2cd/0x410 [ 42.470807][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.475912][ T489] vfs_write+0xb57/0xe50 [ 42.480201][ T489] ksys_write+0x157/0x260 [ 42.484551][ T489] __x64_sys_write+0x7b/0x90 [ 42.489337][ T489] do_syscall_64+0x34/0x70 [ 42.494277][ T489] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.500263][ T489] RIP: 0033:0x7f37794a90e9 [ 42.504851][ T489] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.524921][ T489] RSP: 002b:00007f377941f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.533787][ T489] RAX: ffffffffffffffda RBX: 00007f37795bbf60 RCX: 00007f37794a90e9 2022/06/01 19:00:50 executed programs: 20 [ 42.541921][ T489] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.550151][ T489] RBP: 00007f377941f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.558327][ T489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.566292][ T489] R13: 00007ffda94bf40f R14: 00007f377941f300 R15: 0000000000022000 [ 42.575017][ T489] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 42.586136][ T406] ------------[ cut here ]------------ [ 42.591773][ T406] WARNING: CPU: 1 PID: 406 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 42.600716][ T406] Modules linked in: [ 42.604902][ T406] CPU: 1 PID: 406 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 42.615767][ T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.625856][ T406] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 42.631681][ T406] Code: 48 c7 c2 40 d9 c4 85 e8 a2 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 43 59 a7 ff e9 28 fd ff ff [ 42.654709][ T406] RSP: 0018:ffffc90000c37d58 EFLAGS: 00010293 [ 42.661641][ T406] RAX: ffffffff81af19fc RBX: ffff88810c31e860 RCX: ffff888105223d00 [ 42.670367][ T406] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 42.679058][ T406] RBP: ffffc90000c37dc8 R08: ffffffff81af1727 R09: fffff52000186fa3 [ 42.687692][ T406] R10: fffff52000186fa3 R11: 1ffff92000186fa2 R12: dffffc0000000000 [ 42.696405][ T406] R13: ffff88810c31e780 R14: 00000000fffffffe R15: 0000000000000000 [ 42.704599][ T406] FS: 000055555599f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 42.714715][ T406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.721434][ T406] CR2: 000000c000253000 CR3: 00000001170da000 CR4: 00000000003506a0 [ 42.729556][ T406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.737748][ T406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.745905][ T406] Call Trace: [ 42.749541][ T406] ? init_wait_entry+0xe0/0xe0 [ 42.754500][ T406] ? up_write+0x68/0x140 [ 42.758843][ T406] namespace_unlock+0x377/0x420 [ 42.763732][ T406] path_umount+0xe23/0xed0 [ 42.768425][ T406] __x64_sys_umount+0xe8/0x110 [ 42.773467][ T406] do_syscall_64+0x34/0x70 [ 42.777888][ T406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.783929][ T406] RIP: 0033:0x7f37794aa557 [ 42.788420][ T406] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.808865][ T406] RSP: 002b:00007ffda94be568 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 42.817910][ T406] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f37794aa557 [ 42.826497][ T406] RDX: 00007ffda94be639 RSI: 000000000000000a RDI: 00007ffda94be630 [ 42.835293][ T406] RBP: 00007ffda94be630 R08: 00000000ffffffff R09: 00007ffda94be400 [ 42.843481][ T406] R10: 00005555559a0ba3 R11: 0000000000000246 R12: 00007f37795021f8 [ 42.852596][ T406] R13: 00007ffda94bf6f0 R14: 00005555559a0b00 R15: 00007ffda94bf730 [ 42.860642][ T406] ---[ end trace 7436ad90aa4f7d61 ]--- [ 42.867054][ T406] ------------[ cut here ]------------ [ 42.875712][ T406] WARNING: CPU: 0 PID: 406 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 42.885452][ C0] !!!!! css_killed_ref_fn css ffff88810dbf5800 !!! [ 42.885488][ C0] !!!!! css_killed_ref_fn css ffff88810dbf5000 !!! [ 42.899279][ T406] Modules linked in: [ 42.903215][ T406] CPU: 0 PID: 406 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 42.915247][ T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.925976][ T406] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 42.931894][ T406] Code: 48 c7 c2 40 d9 c4 85 e8 a2 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 43 59 a7 ff e9 28 fd ff ff [ 42.952070][ T406] RSP: 0018:ffffc90000c37dd0 EFLAGS: 00010293 [ 42.958358][ T406] RAX: ffffffff81af19fc RBX: ffff88810c31e860 RCX: ffff888105223d00 [ 42.966429][ T406] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 42.978788][ T406] RBP: ffffc90000c37e40 R08: ffffffff81af1727 R09: fffff52000186fb2 [ 42.987045][ T406] R10: fffff52000186fb2 R11: 1ffff92000186fb1 R12: dffffc0000000000 [ 42.996899][ T406] R13: ffff88810c31e780 R14: 00000000fffffffd R15: 0000000000000000 [ 43.005638][ T406] FS: 000055555599f400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 43.014997][ T406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.021779][ T406] CR2: 00007f377941eff8 CR3: 00000001170da000 CR4: 00000000003506b0 [ 43.030595][ T406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.039230][ T406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.047319][ T406] Call Trace: [ 43.050881][ T406] path_umount+0x1ad/0xed0 [ 43.055312][ T406] __x64_sys_umount+0xe8/0x110 [ 43.060080][ T406] do_syscall_64+0x34/0x70 [ 43.064498][ T406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.070546][ T406] RIP: 0033:0x7f37794aa557 [ 43.074965][ T406] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.094889][ T406] RSP: 002b:00007ffda94be568 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 43.105616][ T406] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f37794aa557 [ 43.114750][ T406] RDX: 00007ffda94be639 RSI: 000000000000000a RDI: 00007ffda94be630 [ 43.123019][ T406] RBP: 00007ffda94be630 R08: 00000000ffffffff R09: 00007ffda94be400 [ 43.130984][ T406] R10: 00005555559a0ba3 R11: 0000000000000246 R12: 00007f37795021f8 [ 43.139050][ T406] R13: 00007ffda94bf6f0 R14: 00005555559a0b00 R15: 00007ffda94bf730 [ 43.147112][ T406] ---[ end trace 7436ad90aa4f7d62 ]--- [ 43.152951][ T377] !!!!! css_release css ffff88810dbf5800 !!! [ 43.162628][ T376] !!!!! css_release css ffff88810dbf5000 !!! [ 43.168843][ T487] FAULT_INJECTION: forcing a failure. [ 43.168843][ T487] name failslab, interval 1, probability 0, space 0, times 0 [ 43.181707][ T487] CPU: 0 PID: 487 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 43.193331][ T487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.203469][ T487] Call Trace: [ 43.207414][ T487] dump_stack+0x19c/0x1e2 [ 43.211831][ T487] should_fail+0x3f7/0x5b0 [ 43.216578][ T487] __should_failslab+0xd2/0x130 [ 43.221638][ T487] should_failslab+0x9/0x20 [ 43.226300][ T487] slab_pre_alloc_hook+0x25/0xe0 [ 43.231217][ T487] ? __kernfs_new_node+0x4c/0x6d0 [ 43.236436][ T487] __kmalloc_track_caller+0x70/0x300 [ 43.241811][ T487] ? __kernfs_new_node+0x4c/0x6d0 [ 43.246922][ T487] kstrdup_const+0x55/0x90 [ 43.256112][ T487] __kernfs_new_node+0x4c/0x6d0 [ 43.260946][ T487] ? string+0x29f/0x2b0 [ 43.265086][ T487] ? vsnprintf+0x1a6c/0x1b30 [ 43.269659][ T487] kernfs_new_node+0x97/0x170 [ 43.274585][ T487] __kernfs_create_file+0x4a/0x270 [ 43.279712][ T487] cgroup_addrm_files+0x99e/0xeb0 [ 43.284731][ T487] ? delete_node+0x747/0x7a0 [ 43.289320][ T487] css_populate_dir+0x137/0x370 [ 43.294253][ T487] cgroup_apply_control_enable+0x5cd/0xf70 [ 43.300163][ T487] cgroup_apply_control+0x36/0x710 [ 43.306053][ T487] ? init_wait_entry+0xe0/0xe0 [ 43.310987][ T487] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.316406][ T487] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.322377][ T487] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.328675][ T487] cgroup_file_write+0x22f/0x4f0 [ 43.334435][ T487] kernfs_fop_write_iter+0x2cd/0x410 [ 43.339987][ T487] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.345567][ T487] vfs_write+0xb57/0xe50 [ 43.350158][ T487] ksys_write+0x157/0x260 [ 43.354790][ T487] __x64_sys_write+0x7b/0x90 [ 43.359403][ T487] do_syscall_64+0x34/0x70 [ 43.363955][ T487] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.369882][ T487] RIP: 0033:0x7f6982a9f0e9 [ 43.374461][ T487] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.395261][ T487] RSP: 002b:00007f69829f4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.403756][ T487] RAX: ffffffffffffffda RBX: 00007f6982bb2030 RCX: 00007f6982a9f0e9 [ 43.411730][ T487] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.420042][ T487] RBP: 00007f69829f41d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.428025][ T487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.436696][ T487] R13: 00007ffcbf419c0f R14: 00007f69829f4300 R15: 0000000000022000 [ 43.445686][ T487] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.453315][ T487] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.462988][ C1] !!!!! css_killed_ref_fn css ffff88810dc1d400 !!! [ 43.469543][ C1] !!!!! css_killed_ref_fn css ffff88810dc1d800 !!! [ 43.476072][ C1] !!!!! css_killed_ref_fn css ffff88810dc1d000 !!! [ 43.482638][ T381] !!!!! css_release css ffff88810dc1d400 !!! [ 43.488883][ T381] !!!!! css_release css ffff88810dc1d800 !!! [ 43.495279][ T381] !!!!! css_release css ffff88810dc1d000 !!! [ 43.501480][ T491] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.501693][ T494] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.510004][ T486] FAULT_INJECTION: forcing a failure. [ 43.510004][ T486] name failslab, interval 1, probability 0, space 0, times 0 [ 43.530377][ T486] CPU: 1 PID: 486 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 43.542688][ T486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.552819][ T486] Call Trace: [ 43.556115][ T486] dump_stack+0x19c/0x1e2 [ 43.560438][ T486] should_fail+0x3f7/0x5b0 [ 43.564937][ T486] __should_failslab+0xd2/0x130 [ 43.569899][ T486] should_failslab+0x9/0x20 [ 43.574403][ T486] slab_pre_alloc_hook+0x25/0xe0 [ 43.579514][ T486] ? __kernfs_new_node+0x4c/0x6d0 [ 43.584782][ T486] __kmalloc_track_caller+0x70/0x300 [ 43.590054][ T486] ? __kernfs_new_node+0x4c/0x6d0 [ 43.595347][ T486] kstrdup_const+0x55/0x90 [ 43.599769][ T486] __kernfs_new_node+0x4c/0x6d0 [ 43.604791][ T486] ? string+0x29f/0x2b0 [ 43.608933][ T486] ? vsnprintf+0x1a6c/0x1b30 [ 43.613516][ T486] kernfs_new_node+0x97/0x170 [ 43.618366][ T486] __kernfs_create_file+0x4a/0x270 [ 43.625349][ T486] cgroup_addrm_files+0x99e/0xeb0 [ 43.630990][ T486] ? delete_node+0x747/0x7a0 [ 43.635786][ T486] ? __kthread_should_park+0xaa/0xe0 [ 43.641293][ T486] css_populate_dir+0x137/0x370 [ 43.646280][ T486] cgroup_apply_control_enable+0x5cd/0xf70 [ 43.652494][ T486] cgroup_apply_control+0x36/0x710 [ 43.657681][ T486] ? init_wait_entry+0xe0/0xe0 [ 43.662493][ T486] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.668549][ T486] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.674706][ T486] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.680914][ T486] cgroup_file_write+0x22f/0x4f0 [ 43.685841][ T486] kernfs_fop_write_iter+0x2cd/0x410 [ 43.691128][ T486] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.696406][ T486] vfs_write+0xb57/0xe50 [ 43.700642][ T486] ksys_write+0x157/0x260 [ 43.705047][ T486] __x64_sys_write+0x7b/0x90 [ 43.709633][ T486] do_syscall_64+0x34/0x70 [ 43.714129][ T486] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.720109][ T486] RIP: 0033:0x7fbcefa2f0e9 [ 43.724604][ 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 [ 43.744645][ T486] RSP: 002b:00007fbcef984168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.753211][ T486] RAX: ffffffffffffffda RBX: 00007fbcefb42030 RCX: 00007fbcefa2f0e9 [ 43.761354][ T486] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.769313][ T486] RBP: 00007fbcef9841d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.777393][ T486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.785356][ T486] R13: 00007ffcb42ef26f R14: 00007fbcef984300 R15: 0000000000022000 [ 43.794318][ T486] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.801496][ T486] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.815212][ C1] !!!!! css_killed_ref_fn css ffff88810dd65400 !!! [ 43.822086][ T381] !!!!! css_release css ffff88810dd65400 !!! [ 43.828280][ C1] !!!!! css_killed_ref_fn css ffff88810dd65800 !!! [ 43.834803][ C1] !!!!! css_killed_ref_fn css ffff88810dd65000 !!! [ 43.841384][ T381] !!!!! css_release css ffff88810dd65800 !!! [ 43.847615][ T381] !!!!! css_release css ffff88810dd65000 !!! [ 43.855091][ T477] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.862918][ T479] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.865150][ T484] FAULT_INJECTION: forcing a failure. [ 43.865150][ T484] name failslab, interval 1, probability 0, space 0, times 0 [ 43.885027][ T484] CPU: 0 PID: 484 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 43.897518][ T484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.907982][ T484] Call Trace: [ 43.911380][ T484] dump_stack+0x19c/0x1e2 [ 43.915804][ T484] should_fail+0x3f7/0x5b0 [ 43.920347][ T484] __should_failslab+0xd2/0x130 [ 43.925577][ T484] should_failslab+0x9/0x20 [ 43.930340][ T484] slab_pre_alloc_hook+0x25/0xe0 [ 43.935273][ T484] kmem_cache_alloc_trace+0x47/0x2b0 [ 43.941078][ T484] ? percpu_ref_init+0xd0/0x330 [ 43.945941][ T484] percpu_ref_init+0xd0/0x330 [ 43.950627][ T484] ? cgroup_setup_root+0x8a0/0x8a0 [ 43.955919][ T484] cgroup_apply_control_enable+0x3d2/0xf70 [ 43.961898][ T484] cgroup_apply_control+0x36/0x710 [ 43.967085][ T484] ? init_wait_entry+0xe0/0xe0 [ 43.971853][ T484] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.977849][ T484] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.983924][ T484] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.989896][ T484] cgroup_file_write+0x22f/0x4f0 [ 43.995031][ T484] kernfs_fop_write_iter+0x2cd/0x410 [ 44.000308][ T484] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.005407][ T484] vfs_write+0xb57/0xe50 [ 44.009812][ T484] ksys_write+0x157/0x260 [ 44.014327][ T484] __x64_sys_write+0x7b/0x90 [ 44.019223][ T484] do_syscall_64+0x34/0x70 [ 44.023810][ T484] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.029984][ T484] RIP: 0033:0x7f078c1e90e9 [ 44.034484][ T484] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.054530][ T484] RSP: 002b:00007f078c13e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.063151][ T484] RAX: ffffffffffffffda RBX: 00007f078c2fc030 RCX: 00007f078c1e90e9 [ 44.071371][ T484] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.079343][ T484] RBP: 00007f078c13e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.087534][ T484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.095545][ T484] R13: 00007fff8676ec3f R14: 00007f078c13e300 R15: 0000000000022000 [ 44.104329][ T484] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 44.113634][ T414] ------------[ cut here ]------------ [ 44.119211][ T414] WARNING: CPU: 1 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 44.128598][ T414] Modules linked in: [ 44.132561][ T414] CPU: 1 PID: 414 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 44.144342][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.154746][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 44.160958][ T414] Code: 48 c7 c2 40 d9 c4 85 e8 a2 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 43 59 a7 ff e9 28 fd ff ff [ 44.181674][ T414] RSP: 0018:ffffc90000f17dd0 EFLAGS: 00010293 [ 44.187927][ T414] RAX: ffffffff81af19fc RBX: ffff88810c31f5e0 RCX: ffff888108243d00 [ 44.196000][ T414] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 44.204463][ T414] RBP: ffffc90000f17e40 R08: ffffffff81af1727 R09: fffff520001e2fb2 [ 44.212722][ T414] R10: fffff520001e2fb2 R11: 1ffff920001e2fb1 R12: dffffc0000000000 [ 44.220789][ T414] R13: ffff88810c31f500 R14: 00000000ffffffff R15: 0000000000000000 [ 44.228908][ T414] FS: 0000555557279400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 44.237864][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.244565][ T414] CR2: 0000555557282b38 CR3: 000000011b23b000 CR4: 00000000003506a0 [ 44.253170][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.261451][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.269730][ T414] Call Trace: [ 44.273122][ T414] path_umount+0x1ad/0xed0 [ 44.277533][ T414] __x64_sys_umount+0xe8/0x110 [ 44.282516][ T414] do_syscall_64+0x34/0x70 [ 44.287486][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.293635][ T414] RIP: 0033:0x7f078c1ea557 [ 44.298056][ 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 [ 44.318368][ T414] RSP: 002b:00007fff8676dd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 44.327105][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f078c1ea557 [ 44.335100][ T414] RDX: 00007fff8676de69 RSI: 000000000000000a RDI: 00007fff8676de60 [ 44.347775][ T414] RBP: 00007fff8676de60 R08: 00000000ffffffff R09: 00007fff8676dc30 [ 44.356078][ T414] R10: 000055555727aba3 R11: 0000000000000246 R12: 00007f078c2421f8 [ 44.364296][ T414] R13: 00007fff8676ef20 R14: 000055555727ab00 R15: 00007fff8676ef60 [ 44.372668][ T414] ---[ end trace 7436ad90aa4f7d63 ]--- [ 44.379445][ T414] ------------[ cut here ]------------ [ 44.385296][ C0] !!!!! css_killed_ref_fn css ffff88810dd1a800 !!! [ 44.385319][ C0] ------------[ cut here ]------------ [ 44.385332][ C0] percpu ref (css_release) <= 0 (0) after switching to atomic [ 44.385423][ C0] WARNING: CPU: 0 PID: 414 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 44.385426][ C0] Modules linked in: [ 44.385444][ C0] CPU: 0 PID: 414 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 44.385449][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.385462][ C0] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 44.385471][ C0] Code: 00 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ff e8 33 6c 64 ff 49 8b 17 48 c7 c7 e0 d2 02 85 48 89 de 31 c0 e8 cf b6 01 ff <0f> 0b e9 2d fd ff ff e8 b3 d5 2c ff 0f 0b e9 87 fe ff ff 48 c7 c1 [ 44.385477][ C0] RSP: 0018:ffffc90000007d50 EFLAGS: 00010246 [ 44.385487][ C0] RAX: 797b54fbcd86eb00 RBX: ffffffff81610260 RCX: ffff888108243d00 [ 44.385494][ C0] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 [ 44.385501][ C0] RBP: ffffc90000007d98 R08: ffffffff81514558 R09: ffffed103ee04e73 [ 44.385507][ C0] R10: ffffed103ee04e73 R11: 1ffff1103ee04e72 R12: ffff88810d39cb20 [ 44.385512][ C0] R13: 0000000000000008 R14: 1ffff11021a73960 R15: ffff88810d39cb00 [ 44.385517][ C0] FS: 0000555557279400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 44.385521][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.385525][ C0] CR2: 00007fbcef984718 CR3: 000000011b23b000 CR4: 00000000003506b0 [ 44.385532][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.385536][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.385538][ C0] Call Trace: [ 44.385540][ C0] [ 44.385548][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 44.385554][ C0] rcu_do_batch+0x4ad/0xb00 [ 44.385560][ C0] rcu_core+0x64a/0xdf0 [ 44.385567][ C0] rcu_core_si+0x9/0x10 [ 44.385575][ C0] __do_softirq+0x253/0x67b [ 44.385581][ C0] asm_call_irq_on_stack+0xf/0x20 [ 44.385584][ C0] [ 44.385589][ C0] do_softirq_own_stack+0x60/0x80 [ 44.385597][ C0] __irq_exit_rcu+0x152/0x1e0 [ 44.385602][ C0] irq_exit_rcu+0x9/0x10 [ 44.385608][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 44.385614][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 44.385621][ C0] RIP: 0010:console_unlock+0xae5/0xe80 [ 44.385625][ C0] Code: 00 48 c7 c7 e0 99 45 86 e8 78 fe 0c 03 f6 c3 01 0f 85 64 03 00 00 e8 ba 64 00 00 48 8b 44 24 18 48 89 44 24 70 ff 74 24 70 9d <48> 8b 44 24 08 42 80 3c 28 00 74 0d 48 8d bc 24 f0 00 00 00 e8 c2 [ 44.385629][ C0] RSP: 0018:ffffc90000f17a40 EFLAGS: 00000246 [ 44.385634][ C0] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff888108243d00 [ 44.385638][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 44.385642][ C0] RBP: ffffc90000f17b88 R08: ffffffff815140d1 R09: fffff520001e2f40 [ 44.385645][ C0] R10: fffff520001e2f40 R11: 1ffff920001e2f3f R12: 1ffffffff0bbe61d [ 44.385649][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff85df30b0 [ 44.385654][ C0] ? console_unlock+0xab1/0xe80 [ 44.385662][ C0] ? __kasan_check_write+0x14/0x20 [ 44.385667][ C0] ? _raw_spin_lock_irqsave+0xa2/0x220 [ 44.385673][ C0] ? console_trylock+0xff/0x130 [ 44.385679][ C0] vprintk_emit+0x149/0x340 [ 44.385684][ C0] vprintk_default+0x26/0x30 [ 44.385690][ C0] vprintk_func+0x19d/0x1e0 [ 44.385695][ C0] printk+0x76/0x96 [ 44.385700][ C0] ? report_bug+0x3cd/0x580 [ 44.385705][ C0] ? __text_poke+0x1ec/0x710 [ 44.385710][ C0] report_bug+0x450/0x580 [ 44.385717][ C0] ? cleanup_mnt+0x4c5/0x510 [ 44.385722][ C0] handle_bug+0x41/0x70 [ 44.385727][ C0] exc_invalid_op+0x1b/0x50 [ 44.385772][ C0] asm_exc_invalid_op+0x12/0x20 [ 44.385787][ C0] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 44.385793][ C0] Code: b3 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e e6 b8 ff 48 8b 7d d0 e8 15 c9 04 00 e9 21 fd ff ff e8 1b e6 b8 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 e0 1f 86 80 e1 07 80 c1 03 38 c1 [ 44.385797][ C0] RSP: 0018:ffffc90000f17e30 EFLAGS: 00010293 [ 44.385811][ C0] RAX: ffffffff81b024c5 RBX: ffffe8ffffd441cc RCX: ffff888108243d00 [ 44.385815][ C0] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 44.385824][ C0] RBP: ffffc90000f17e80 R08: ffffffff81b021a3 R09: fffff520001e2fcd [ 44.385828][ C0] R10: fffff520001e2fcd R11: 1ffff920001e2fcc R12: ffff88810c31f548 [ 44.385832][ C0] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 44.385839][ C0] ? cleanup_mnt+0x1a3/0x510 [ 44.385844][ C0] ? cleanup_mnt+0x4c5/0x510 [ 44.385851][ C0] __cleanup_mnt+0x19/0x20 [ 44.385857][ C0] task_work_run+0x147/0x1b0 [ 44.385864][ C0] exit_to_user_mode_loop+0xc8/0xe0 [ 44.385871][ C0] syscall_exit_to_user_mode+0x77/0xa0 [ 44.385876][ C0] do_syscall_64+0x40/0x70 [ 44.385884][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.385889][ C0] RIP: 0033:0x7f078c1ea557 [ 44.385895][ C0] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.385899][ C0] RSP: 002b:00007fff8676dd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 44.385907][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f078c1ea557 [ 44.385911][ C0] RDX: 00007fff8676de69 RSI: 000000000000000a RDI: 00007fff8676de60 [ 44.385914][ C0] RBP: 00007fff8676de60 R08: 00000000ffffffff R09: 00007fff8676dc30 [ 44.385918][ C0] R10: 000055555727aba3 R11: 0000000000000246 R12: 00007f078c2421f8 [ 44.385922][ C0] R13: 00007fff8676ef20 R14: 000055555727ab00 R15: 00007fff8676ef60 [ 44.385927][ C0] ---[ end trace 7436ad90aa4f7d64 ]--- [ 44.385931][ C0] !!!!! css_killed_ref_fn css ffff88810dd18400 !!! [ 44.395966][ T23] audit: type=1400 audit(1654110052.480:159): 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 [ 44.398704][ T377] !!!!! css_release css ffff88810dd1a800 !!! [ 44.408147][ T23] audit: type=1400 audit(1654110052.480:160): 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 [ 44.417848][ T414] WARNING: CPU: 0 PID: 414 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 44.421997][ T23] audit: type=1400 audit(1654110052.480:161): 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 [ 44.433847][ T414] Modules linked in: [ 44.443774][ T492] FAULT_INJECTION: forcing a failure. [ 44.443774][ T492] name failslab, interval 1, probability 0, space 0, times 0 [ 44.450967][ T414] [ 44.471451][ T492] CPU: 1 PID: 492 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 44.477435][ T414] CPU: 0 PID: 414 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 44.485251][ T492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.485256][ T492] Call Trace: [ 44.485270][ T492] dump_stack+0x19c/0x1e2 [ 44.485282][ T492] should_fail+0x3f7/0x5b0 [ 44.485298][ T492] __should_failslab+0xd2/0x130 [ 44.493464][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.501260][ T492] should_failslab+0x9/0x20 [ 44.512922][ T414] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 44.520350][ T492] slab_pre_alloc_hook+0x25/0xe0 [ 44.529296][ T414] Code: b3 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e e6 b8 ff 48 8b 7d d0 e8 15 c9 04 00 e9 21 fd ff ff e8 1b e6 b8 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 e0 1f 86 80 e1 07 80 c1 03 38 c1 [ 44.535897][ T492] ? __kernfs_new_node+0x4c/0x6d0 [ 44.535907][ T492] __kmalloc_track_caller+0x70/0x300 [ 44.535915][ T492] ? __kernfs_new_node+0x4c/0x6d0 [ 44.535923][ T492] kstrdup_const+0x55/0x90 [ 44.535930][ T492] __kernfs_new_node+0x4c/0x6d0 [ 44.535938][ T492] ? string+0x29f/0x2b0 [ 44.535945][ T492] ? vsnprintf+0x1a6c/0x1b30 [ 44.535961][ T492] kernfs_new_node+0x97/0x170 [ 44.545030][ T414] RSP: 0018:ffffc90000f17e30 EFLAGS: 00010293 [ 44.552140][ T492] __kernfs_create_file+0x4a/0x270 [ 44.560510][ T414] [ 44.563471][ T492] cgroup_addrm_files+0x99e/0xeb0 [ 44.563484][ T492] ? delete_node+0x747/0x7a0 [ 44.563495][ T492] ? __kthread_should_park+0xaa/0xe0 [ 44.563514][ T492] css_populate_dir+0x137/0x370 [ 44.566717][ T414] RAX: ffffffff81b024c5 RBX: ffffe8ffffd441cc RCX: ffff888108243d00 [ 44.572632][ T492] cgroup_apply_control_enable+0x5cd/0xf70 [ 44.572643][ T492] cgroup_apply_control+0x36/0x710 [ 44.572652][ T492] ? init_wait_entry+0xe0/0xe0 [ 44.572674][ T492] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.577595][ T414] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 44.581721][ T492] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.586853][ T414] RBP: ffffc90000f17e80 R08: ffffffff81b021a3 R09: fffff520001e2fcd [ 44.590788][ T492] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.596205][ T414] R10: fffff520001e2fcd R11: 1ffff920001e2fcc R12: ffff88810c31f548 [ 44.599104][ T492] cgroup_file_write+0x22f/0x4f0 [ 44.604453][ T414] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 44.609222][ T492] kernfs_fop_write_iter+0x2cd/0x410 [ 44.613873][ T414] FS: 0000555557279400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 44.619300][ T492] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.625451][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.630707][ T492] vfs_write+0xb57/0xe50 [ 44.650585][ T414] CR2: 00007fbcef984718 CR3: 000000011b23b000 CR4: 00000000003506b0 [ 44.656573][ T492] ksys_write+0x157/0x260 [ 44.656584][ T492] __x64_sys_write+0x7b/0x90 [ 44.656592][ T492] do_syscall_64+0x34/0x70 [ 44.656602][ T492] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.656611][ T492] RIP: 0033:0x7f37794a90e9 [ 44.656621][ T492] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.656637][ T492] RSP: 002b:00007f37793fe168 EFLAGS: 00000246 [ 44.665475][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.672713][ T492] ORIG_RAX: 0000000000000001 [ 44.672722][ T492] RAX: ffffffffffffffda RBX: 00007f37795bc030 RCX: 00007f37794a90e9 [ 44.672728][ T492] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.672733][ T492] RBP: 00007f37793fe1d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.672738][ T492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.672743][ T492] R13: 00007ffda94bf40f R14: 00007f37793fe300 R15: 0000000000022000 [ 44.674237][ T492] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.681802][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.689605][ T492] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 44.698075][ T414] Call Trace: [ 45.489754][ T414] __cleanup_mnt+0x19/0x20 [ 45.495610][ T414] task_work_run+0x147/0x1b0 [ 45.500535][ T414] exit_to_user_mode_loop+0xc8/0xe0 [ 45.505789][ C1] !!!!! css_killed_ref_fn css ffff88810dc79400 !!! [ 45.505806][ C1] !!!!! css_killed_ref_fn css ffff88810dc79800 !!! [ 45.505810][ C1] !!!!! css_killed_ref_fn css ffff88810dc79000 !!! [ 45.526278][ T381] !!!!! css_release css ffff88810dc79400 !!! [ 45.530046][ T414] syscall_exit_to_user_mode+0x77/0xa0 [ 45.532653][ T381] !!!!! css_release css ffff88810dc79800 !!! [ 45.538057][ T414] do_syscall_64+0x40/0x70 [ 45.544052][ T381] !!!!! css_release css ffff88810dc79000 !!! [ 45.544072][ T499] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 45.544458][ T499] FAULT_INJECTION: forcing a failure. [ 45.544458][ T499] name failslab, interval 1, probability 0, space 0, times 0 [ 45.549152][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.554769][ T499] CPU: 1 PID: 499 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 45.562584][ T414] RIP: 0033:0x7f078c1ea557 [ 45.574774][ T499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.574780][ T499] Call Trace: [ 45.574798][ T499] dump_stack+0x19c/0x1e2 [ 45.574810][ T499] should_fail+0x3f7/0x5b0 [ 45.574819][ T499] __should_failslab+0xd2/0x130 [ 45.574827][ T499] should_failslab+0x9/0x20 [ 45.574835][ T499] slab_pre_alloc_hook+0x25/0xe0 [ 45.574844][ T499] kmem_cache_alloc_trace+0x47/0x2b0 [ 45.574863][ T499] ? pids_css_alloc+0x4e/0x120 [ 45.581337][ 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 [ 45.592317][ T499] pids_css_alloc+0x4e/0x120 [ 45.592329][ T499] cgroup_apply_control_enable+0x381/0xf70 [ 45.592340][ T499] cgroup_apply_control+0x36/0x710 [ 45.592349][ T499] ? init_wait_entry+0xe0/0xe0 [ 45.592358][ T499] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.592368][ T499] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.592385][ T499] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.597443][ T414] RSP: 002b:00007fff8676dd98 EFLAGS: 00000246 [ 45.606948][ T499] cgroup_file_write+0x22f/0x4f0 [ 45.606959][ T499] kernfs_fop_write_iter+0x2cd/0x410 [ 45.606968][ T499] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.606977][ T499] vfs_write+0xb57/0xe50 [ 45.606987][ T499] ksys_write+0x157/0x260 [ 45.606995][ T499] __x64_sys_write+0x7b/0x90 [ 45.607013][ T499] do_syscall_64+0x34/0x70 [ 45.610697][ T414] ORIG_RAX: 00000000000000a6 [ 45.614583][ T499] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.614591][ T499] RIP: 0033:0x7f37794a90e9 [ 45.614601][ 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 [ 45.614607][ T499] RSP: 002b:00007f377941f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.614618][ T499] RAX: ffffffffffffffda RBX: 00007f37795bbf60 RCX: 00007f37794a90e9 [ 45.614624][ T499] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.614629][ T499] RBP: 00007f377941f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.614642][ T499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.619612][ T414] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f078c1ea557 [ 45.623886][ T499] R13: 00007ffda94bf40f R14: 00007f377941f300 R15: 0000000000022000 [ 45.624191][ T499] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 45.628999][ T414] RDX: 00007fff8676de69 RSI: 000000000000000a RDI: 00007fff8676de60 [ 45.850564][ T414] RBP: 00007fff8676de60 R08: 00000000ffffffff R09: 00007fff8676dc30 [ 45.858881][ C1] !!!!! css_killed_ref_fn css ffff88810ddca000 !!! [ 45.858904][ C1] !!!!! css_killed_ref_fn css ffff88810ddc9400 !!! [ 45.872326][ T414] R10: 000055555727aba3 R11: 0000000000000246 R12: 00007f078c2421f8 [ 45.872497][ T381] !!!!! css_release css ffff88810ddca000 !!! [ 45.880517][ T414] R13: 00007fff8676ef20 R14: 000055555727ab00 R15: 00007fff8676ef60 [ 45.886455][ T381] !!!!! css_release css ffff88810ddc9400 !!! [ 45.886798][ T501] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 45.894950][ T414] ---[ end trace 7436ad90aa4f7d65 ]--- [ 45.900730][ T485] FAULT_INJECTION: forcing a failure. [ 45.900730][ T485] name failslab, interval 1, probability 0, space 0, times 0 [ 45.926217][ T485] CPU: 1 PID: 485 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 45.938911][ T485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.949122][ T485] Call Trace: [ 45.952405][ T485] dump_stack+0x19c/0x1e2 [ 45.956729][ T485] should_fail+0x3f7/0x5b0 [ 45.961141][ T485] __should_failslab+0xd2/0x130 [ 45.966062][ T485] should_failslab+0x9/0x20 [ 45.970566][ T485] slab_pre_alloc_hook+0x25/0xe0 [ 45.975502][ T485] ? __kernfs_new_node+0x4c/0x6d0 [ 45.980608][ T485] __kmalloc_track_caller+0x70/0x300 [ 45.986002][ T485] ? __kernfs_new_node+0x4c/0x6d0 [ 45.991040][ T485] kstrdup_const+0x55/0x90 [ 45.995709][ T485] __kernfs_new_node+0x4c/0x6d0 [ 46.000653][ T485] ? string+0x29f/0x2b0 [ 46.004793][ T485] ? vsnprintf+0x1a6c/0x1b30 [ 46.009372][ T485] kernfs_new_node+0x97/0x170 [ 46.014036][ T485] __kernfs_create_file+0x4a/0x270 [ 46.019196][ T485] cgroup_addrm_files+0x99e/0xeb0 [ 46.024239][ T485] ? delete_node+0x747/0x7a0 [ 46.028822][ T485] css_populate_dir+0x137/0x370 [ 46.033677][ T485] cgroup_apply_control_enable+0x5cd/0xf70 [ 46.039710][ T485] cgroup_apply_control+0x36/0x710 [ 46.045079][ T485] ? init_wait_entry+0xe0/0xe0 [ 46.049861][ T485] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.056073][ T485] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.062421][ T485] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.069144][ T485] cgroup_file_write+0x22f/0x4f0 [ 46.074313][ T485] kernfs_fop_write_iter+0x2cd/0x410 [ 46.079878][ T485] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.085255][ T485] vfs_write+0xb57/0xe50 [ 46.089495][ T485] ksys_write+0x157/0x260 [ 46.094238][ T485] __x64_sys_write+0x7b/0x90 [ 46.099508][ T485] do_syscall_64+0x34/0x70 [ 46.104050][ T485] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.109943][ T485] RIP: 0033:0x7f180d02e0e9 [ 46.114617][ T485] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.135631][ T485] RSP: 002b:00007f180cf83168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.144662][ T485] RAX: ffffffffffffffda RBX: 00007f180d141030 RCX: 00007f180d02e0e9 [ 46.152651][ T485] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.160627][ T485] RBP: 00007f180cf831d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.168769][ T485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.176936][ T485] R13: 00007ffd52219b3f R14: 00007f180cf83300 R15: 0000000000022000 [ 46.186212][ T485] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.193436][ T485] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 46.212250][ C1] !!!!! css_killed_ref_fn css ffff88810e5a8c00 !!! [ 46.219172][ C1] !!!!! css_killed_ref_fn css ffff88810e5a8800 !!! [ 46.226014][ C1] !!!!! css_release css ffff88810e5a8800 !!! [ 46.232078][ C1] list_add corruption. prev->next should be next (ffff8881f715b560), but was ffff88810e5a8870. (prev=ffff88810e5a8870). [ 46.245074][ C1] ------------[ cut here ]------------ [ 46.250589][ C1] kernel BUG at lib/list_debug.c:28! [ 46.256039][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 46.262263][ C1] CPU: 1 PID: 18 Comm: ksoftirqd/1 Tainted: G W 5.10.119-syzkaller-00166-g98fd29306a05 #0 [ 46.274452][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.284697][ C1] RIP: 0010:__list_add_valid+0xde/0xf0 [ 46.290231][ C1] Code: f1 31 c0 e8 b7 cb 1b 02 0f 0b 48 c7 c7 50 3b d6 85 e8 b6 f2 19 00 48 c7 c7 e0 f3 02 85 4c 89 f6 4c 89 e1 31 c0 e8 95 cb 1b 02 <0f> 0b 48 c7 c7 60 3b d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 46.310070][ C1] RSP: 0018:ffffc90000137a20 EFLAGS: 00010046 [ 46.316694][ C1] RAX: 0000000000000075 RBX: ffff8881f715b568 RCX: 31b8a9d7228b8500 [ 46.324660][ C1] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 [ 46.332799][ C1] RBP: ffffc90000137a48 R08: ffffffff81514558 R09: ffffed103ee24e73 [ 46.341143][ C1] R10: ffffed103ee24e73 R11: 1ffff1103ee24e72 R12: ffff88810e5a8870 [ 46.351208][ C1] R13: dffffc0000000000 R14: ffff8881f715b560 R15: ffff88810e5a8870 [ 46.361167][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 46.370434][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.377032][ C1] CR2: 00007f180d110998 CR3: 000000010989c000 CR4: 00000000003506a0 [ 46.385007][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.392971][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.400935][ C1] Call Trace: [ 46.404210][ C1] insert_work+0xfc/0x330 [ 46.408647][ C1] __queue_work+0x99e/0xe20 [ 46.413361][ C1] queue_work_on+0xbe/0x110 [ 46.418050][ C1] css_release+0xc0/0xd0 [ 46.423384][ C1] percpu_ref_switch_to_atomic_rcu+0x5be/0x5e0 [ 46.429528][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 46.435926][ C1] rcu_do_batch+0x4ad/0xb00 [ 46.440541][ C1] rcu_core+0x64a/0xdf0 [ 46.447666][ C1] rcu_core_si+0x9/0x10 [ 46.452130][ C1] __do_softirq+0x253/0x67b [ 46.456981][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 46.462184][ C1] run_ksoftirqd+0x23/0x30 [ 46.467160][ C1] smpboot_thread_fn+0x4c8/0x8b0 [ 46.472095][ C1] kthread+0x365/0x400 [ 46.476271][ C1] ? cpu_report_death+0x1a0/0x1a0 [ 46.481420][ C1] ? kthread_blkcg+0xd0/0xd0 [ 46.487146][ C1] ret_from_fork+0x1f/0x30 [ 46.491632][ C1] Modules linked in: [ 46.496231][ C1] ---[ end trace 7436ad90aa4f7d66 ]--- [ 46.502001][ C1] RIP: 0010:__list_add_valid+0xde/0xf0 [ 46.507463][ C1] Code: f1 31 c0 e8 b7 cb 1b 02 0f 0b 48 c7 c7 50 3b d6 85 e8 b6 f2 19 00 48 c7 c7 e0 f3 02 85 4c 89 f6 4c 89 e1 31 c0 e8 95 cb 1b 02 <0f> 0b 48 c7 c7 60 3b d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 46.527260][ C1] RSP: 0018:ffffc90000137a20 EFLAGS: 00010046 [ 46.533411][ C1] RAX: 0000000000000075 RBX: ffff8881f715b568 RCX: 31b8a9d7228b8500 [ 46.541854][ C1] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 [ 46.550202][ C1] RBP: ffffc90000137a48 R08: ffffffff81514558 R09: ffffed103ee24e73 [ 46.558505][ C1] R10: ffffed103ee24e73 R11: 1ffff1103ee24e72 R12: ffff88810e5a8870 [ 46.566980][ C1] R13: dffffc0000000000 R14: ffff8881f715b560 R15: ffff88810e5a8870 [ 46.575290][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 46.584306][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.591052][ C1] CR2: 00007f180d110998 CR3: 000000010989c000 CR4: 00000000003506a0 [ 46.599504][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.608147][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.617181][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 47.736253][ C1] Shutting down cpus with NMI [ 47.741436][ C1] Kernel Offset: disabled [ 47.746206][ C1] Rebooting in 86400 seconds..