Warning: Permanently added '10.128.1.122' (ECDSA) to the list of known hosts. 2022/05/27 21:31:00 parsed 1 programs 2022/05/27 21:31:00 executed programs: 0 [ 37.064806][ T22] audit: type=1400 audit(1653687060.470:149): avc: denied { mounton } for pid=412 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 37.067457][ T412] cgroup: Unknown subsys name 'net' [ 37.093473][ T412] cgroup: Unknown subsys name 'devices' [ 37.099893][ T412] cgroup: Unknown subsys name 'hugetlb' [ 37.105481][ T412] cgroup: Unknown subsys name 'rlimit' [ 37.111553][ T22] audit: type=1400 audit(1653687060.520:150): avc: denied { mounton } for pid=412 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 37.138935][ T22] audit: type=1400 audit(1653687060.520:151): avc: denied { mount } for pid=412 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 37.167103][ T22] audit: type=1400 audit(1653687060.550:152): avc: denied { mounton } for pid=417 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 [ 37.221955][ T22] audit: type=1400 audit(1653687060.550:153): avc: denied { module_request } for pid=417 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 37.248246][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.255272][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.262665][ T417] device bridge_slave_0 entered promiscuous mode [ 37.270699][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.277909][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.285205][ T417] device bridge_slave_1 entered promiscuous mode [ 37.347958][ T429] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.355057][ T429] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.362427][ T429] device bridge_slave_0 entered promiscuous mode [ 37.370393][ T429] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.377453][ T429] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.384720][ T429] device bridge_slave_1 entered promiscuous mode [ 37.419840][ T422] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.426867][ T422] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.434426][ T422] device bridge_slave_0 entered promiscuous mode [ 37.458210][ T422] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.465232][ T422] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.472625][ T422] device bridge_slave_1 entered promiscuous mode [ 37.488224][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.495253][ T420] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.502631][ T420] device bridge_slave_0 entered promiscuous mode [ 37.510782][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.517941][ T420] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.525169][ T420] device bridge_slave_1 entered promiscuous mode [ 37.539660][ T430] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.546688][ T430] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.554052][ T430] device bridge_slave_0 entered promiscuous mode [ 37.562909][ T430] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.569965][ T430] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.577401][ T430] device bridge_slave_1 entered promiscuous mode [ 37.591119][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.598157][ T417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.605461][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.612482][ T417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.634225][ T427] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.641297][ T427] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.648776][ T427] device bridge_slave_0 entered promiscuous mode [ 37.659059][ T427] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.666069][ T427] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.673424][ T427] device bridge_slave_1 entered promiscuous mode [ 37.724059][ T422] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.731108][ T422] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.738525][ T422] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.745527][ T422] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.762824][ T429] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.770019][ T429] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.777304][ T429] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.784307][ T429] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.825466][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.833904][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.842483][ T107] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.850002][ T107] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.857277][ T107] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.864373][ T107] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.872543][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.880046][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.922298][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.930501][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.939395][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.948370][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.956558][ T18] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.963767][ T18] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.971161][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.979359][ T18] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.986369][ T18] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.007181][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.015198][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.023924][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.031866][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.040048][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.048944][ T73] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.055953][ T73] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.063398][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.071716][ T73] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.078731][ T73] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.086118][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.094071][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.108046][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.115769][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.123970][ T18] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.130979][ T18] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.138375][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.146487][ T18] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.153617][ T18] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.161367][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.187870][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.195551][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.203291][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.213159][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.243055][ T22] audit: type=1400 audit(1653687061.650:154): avc: denied { mount } for pid=422 comm="syz-executor.1" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 38.247280][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.274661][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.281790][ T382] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.289656][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.298877][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.305893][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.313388][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.321308][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.330632][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.338935][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.346947][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.354864][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.362888][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.371066][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.379047][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.386866][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.395346][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.403609][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.412154][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.425883][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.434144][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.442112][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.449943][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.458286][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.466511][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.511128][ T22] audit: type=1400 audit(1653687061.920:155): avc: denied { mounton } for pid=447 comm="syz-executor.1" path="/root/syzkaller-testdir1979590399/syzkaller.zN3MIQ/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 38.512063][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.547826][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.555802][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.564175][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.571634][ C0] !!! css_killed_ref_fn css ffff88811c110c00 !!! [ 38.577968][ C0] !!! css_killed_ref_fn css ffff88810b944c00 !!! [ 38.584481][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.592444][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.592636][ T22] audit: type=1400 audit(1653687062.000:156): 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 [ 38.601137][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.623822][ T22] audit: type=1400 audit(1653687062.000:157): 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 [ 38.631853][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.654438][ T22] audit: type=1400 audit(1653687062.000:158): 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 [ 38.661094][ T382] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.661280][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.699188][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.707001][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.715458][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.723852][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.731668][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.739536][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.747715][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.756024][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.764322][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.772844][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.781104][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.789762][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.798048][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.806220][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.814501][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.823233][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.831414][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.839607][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 38.847957][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.856020][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.863040][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.870476][ T382] !!! css_release css ffff88811c110c00 !!! [ 38.876459][ T382] !!! css_put is zero set CSS_NO_REF css ffff88811c110c00 !!! [ 38.884503][ T446] !!! css_release css ffff88810b944c00 !!! [ 38.890428][ T446] !!! css_put is zero set CSS_NO_REF css ffff88810b944c00 !!! [ 38.899437][ T448] FAULT_INJECTION: forcing a failure. [ 38.899437][ T448] name failslab, interval 1, probability 0, space 0, times 1 [ 38.917201][ T448] CPU: 1 PID: 448 Comm: syz-executor.1 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 38.918003][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.927357][ T448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.927361][ T448] Call Trace: [ 38.927376][ T448] dump_stack+0x19c/0x1e2 [ 38.927387][ T448] should_fail+0x3f7/0x5b0 [ 38.927396][ T448] __should_failslab+0xd2/0x130 [ 38.927403][ T448] should_failslab+0x9/0x20 [ 38.927411][ T448] slab_pre_alloc_hook+0x25/0xe0 [ 38.927419][ T448] kmem_cache_alloc_trace+0x47/0x2b0 [ 38.927428][ T448] ? allocate_cgrp_cset_links+0xb3/0x270 [ 38.927437][ T448] allocate_cgrp_cset_links+0xb3/0x270 [ 38.927445][ T448] find_css_set+0x9ea/0x1500 [ 38.927456][ T448] cgroup_migrate_prepare_dst+0xd1/0x950 [ 38.927465][ T448] cgroup_apply_control+0x567/0x710 [ 38.927476][ T448] cgroup_subtree_control_write+0xd05/0x12d0 [ 38.927486][ T448] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 38.927495][ T448] cgroup_file_write+0x22f/0x4f0 [ 38.927504][ T448] kernfs_fop_write_iter+0x2cd/0x410 [ 38.927512][ T448] ? cgroup_seqfile_stop+0xc0/0xc0 [ 38.927521][ T448] vfs_write+0xb57/0xe50 [ 38.927530][ T448] ksys_write+0x157/0x260 [ 38.927538][ T448] __x64_sys_write+0x7b/0x90 [ 38.927547][ T448] do_syscall_64+0x34/0x70 [ 38.927556][ T448] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.927564][ T448] RIP: 0033:0x7f94e348c0e9 [ 38.927572][ T448] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.927578][ T448] RSP: 002b:00007f94e3402168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.927590][ T448] RAX: ffffffffffffffda RBX: 00007f94e359ef60 RCX: 00007f94e348c0e9 [ 38.927596][ T448] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 38.927601][ T448] RBP: 00007f94e34021d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.927606][ T448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.927612][ T448] R13: 00007fff3113e32f R14: 00007f94e3402300 R15: 0000000000022000 [ 39.132003][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.140175][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.143217][ C1] !!! css_killed_ref_fn css ffff88810c13a000 !!! [ 39.148706][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.154509][ C1] !!! css_killed_ref_fn css ffff88810c138400 !!! [ 39.163123][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.169457][ T18] !!! css_release css ffff88810c13a000 !!! [ 39.169465][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810c13a000 !!! [ 39.169472][ T18] !!! css_release css ffff88810c138400 !!! [ 39.169476][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810c138400 !!! [ 39.169868][ T452] FAULT_INJECTION: forcing a failure. [ 39.169868][ T452] name failslab, interval 1, probability 0, space 0, times 0 [ 39.177773][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.183567][ T452] CPU: 1 PID: 452 Comm: syz-executor.1 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 39.191052][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.196518][ T452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.204339][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.216760][ T452] Call Trace: [ 39.216778][ T452] dump_stack+0x19c/0x1e2 [ 39.216788][ T452] should_fail+0x3f7/0x5b0 [ 39.216797][ T452] __should_failslab+0xd2/0x130 [ 39.216805][ T452] should_failslab+0x9/0x20 [ 39.216812][ T452] slab_pre_alloc_hook+0x25/0xe0 [ 39.216820][ T452] kmem_cache_alloc_trace+0x47/0x2b0 [ 39.216829][ T452] ? allocate_cgrp_cset_links+0xb3/0x270 [ 39.216837][ T452] allocate_cgrp_cset_links+0xb3/0x270 [ 39.216844][ T452] find_css_set+0x9ea/0x1500 [ 39.216853][ T452] cgroup_migrate_prepare_dst+0xd1/0x950 [ 39.216860][ T452] cgroup_apply_control+0x567/0x710 [ 39.216870][ T452] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.216886][ T452] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.225285][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.234728][ T452] cgroup_file_write+0x22f/0x4f0 [ 39.234738][ T452] kernfs_fop_write_iter+0x2cd/0x410 [ 39.234746][ T452] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.234761][ T452] vfs_write+0xb57/0xe50 [ 39.243217][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.252779][ T452] ksys_write+0x157/0x260 [ 39.252788][ T452] __x64_sys_write+0x7b/0x90 [ 39.252797][ T452] do_syscall_64+0x34/0x70 [ 39.252807][ T452] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.252815][ T452] RIP: 0033:0x7f94e348c0e9 [ 39.252824][ 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 [ 39.252829][ T452] RSP: 002b:00007f94e3402168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.252842][ T452] RAX: ffffffffffffffda RBX: 00007f94e359ef60 RCX: 00007f94e348c0e9 [ 39.252847][ T452] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.252853][ T452] RBP: 00007f94e34021d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.252858][ T452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.252863][ T452] R13: 00007fff3113e32f R14: 00007f94e3402300 R15: 0000000000022000 [ 39.497081][ C1] !!! css_killed_ref_fn css ffff88811f1f1c00 !!! [ 39.503445][ C1] !!! css_killed_ref_fn css ffff88811f1f2400 !!! [ 39.510611][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.519323][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.528054][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.536190][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.544305][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.552478][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.560818][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.569498][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.577901][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.586018][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.602073][ T107] !!! css_release css ffff88811f1f1c00 !!! [ 39.607998][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811f1f1c00 !!! [ 39.615655][ T23] !!! css_release css ffff88811f1f2400 !!! [ 39.621985][ T23] !!! css_put is zero set CSS_NO_REF css ffff88811f1f2400 !!! [ 39.630210][ T468] FAULT_INJECTION: forcing a failure. [ 39.630210][ T468] name failslab, interval 1, probability 0, space 0, times 0 [ 39.643415][ T468] CPU: 1 PID: 468 Comm: syz-executor.4 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 39.653728][ T468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.663859][ T468] Call Trace: [ 39.667134][ T468] dump_stack+0x19c/0x1e2 [ 39.671434][ T468] should_fail+0x3f7/0x5b0 [ 39.675837][ T468] __should_failslab+0xd2/0x130 [ 39.680671][ T468] ? __kernfs_new_node+0x97/0x6d0 [ 39.685666][ T468] should_failslab+0x9/0x20 [ 39.691791][ T468] slab_pre_alloc_hook+0x25/0xe0 [ 39.696845][ T468] ? __kernfs_new_node+0x97/0x6d0 [ 39.701954][ T468] kmem_cache_alloc+0x40/0x2a0 [ 39.706691][ T468] __kernfs_new_node+0x97/0x6d0 [ 39.711518][ T468] ? string+0x29f/0x2b0 [ 39.715647][ T468] ? vsnprintf+0x1a6c/0x1b30 [ 39.720211][ T468] kernfs_new_node+0x97/0x170 [ 39.724873][ T468] __kernfs_create_file+0x4a/0x270 [ 39.730315][ T468] cgroup_addrm_files+0x99e/0xeb0 [ 39.735609][ T468] ? delete_node+0x747/0x7a0 [ 39.740183][ T468] css_populate_dir+0x137/0x370 [ 39.745093][ T468] cgroup_apply_control_enable+0x5cd/0xf70 [ 39.751053][ T468] cgroup_apply_control+0x36/0x710 [ 39.756227][ T468] ? init_wait_entry+0xe0/0xe0 [ 39.761050][ T468] ? cgroup_kn_lock_live+0x1af/0x370 [ 39.766393][ T468] cgroup_subtree_control_write+0xd05/0x12d0 [ 39.772347][ T468] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.778310][ T468] cgroup_file_write+0x22f/0x4f0 [ 39.783579][ T468] kernfs_fop_write_iter+0x2cd/0x410 [ 39.788940][ T468] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.794032][ T468] vfs_write+0xb57/0xe50 [ 39.798274][ T468] ksys_write+0x157/0x260 [ 39.802575][ T468] __x64_sys_write+0x7b/0x90 [ 39.807598][ T468] do_syscall_64+0x34/0x70 [ 39.812013][ T468] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.817997][ T468] RIP: 0033:0x7fa8ac13f0e9 [ 39.822385][ 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 [ 39.842658][ T468] RSP: 002b:00007fa8ac0b5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.851135][ T468] RAX: ffffffffffffffda RBX: 00007fa8ac251f60 RCX: 00007fa8ac13f0e9 [ 39.859430][ T468] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.867616][ T468] RBP: 00007fa8ac0b51d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.875841][ T468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.883873][ T468] R13: 00007fffaf83307f R14: 00007fa8ac0b5300 R15: 0000000000022000 [ 39.896750][ T468] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 39.927573][ C1] !!! css_killed_ref_fn css ffff88810caac400 !!! [ 39.933967][ C1] !!! css_killed_ref_fn css ffff88810caac800 !!! [ 39.940415][ C1] !!! css_killed_ref_fn css ffff88810caafc00 !!! [ 39.946978][ T23] !!! css_release css ffff88810caac400 !!! [ 39.952980][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810caac400 !!! [ 39.960828][ T23] !!! css_release css ffff88810caac800 !!! [ 39.966948][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810caac800 !!! [ 39.974941][ T107] !!! css_release css ffff88810caafc00 !!! [ 39.980862][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810caafc00 !!! [ 39.988980][ T466] FAULT_INJECTION: forcing a failure. [ 39.988980][ T466] name failslab, interval 1, probability 0, space 0, times 0 [ 40.002912][ T466] CPU: 0 PID: 466 Comm: syz-executor.5 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 40.013062][ T466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.023205][ T466] Call Trace: [ 40.026649][ T466] dump_stack+0x19c/0x1e2 [ 40.030951][ T466] should_fail+0x3f7/0x5b0 [ 40.035512][ T466] __should_failslab+0xd2/0x130 [ 40.040333][ T466] should_failslab+0x9/0x20 [ 40.044804][ T466] slab_pre_alloc_hook+0x25/0xe0 [ 40.049742][ T466] ? __kernfs_new_node+0x4c/0x6d0 [ 40.055084][ T466] __kmalloc_track_caller+0x70/0x300 [ 40.060352][ T466] ? __kernfs_new_node+0x4c/0x6d0 [ 40.065437][ T466] kstrdup_const+0x55/0x90 [ 40.070000][ T466] __kernfs_new_node+0x4c/0x6d0 [ 40.075000][ T466] ? string+0x29f/0x2b0 [ 40.079132][ T466] ? vsnprintf+0x1a6c/0x1b30 [ 40.083702][ T466] kernfs_new_node+0x97/0x170 [ 40.088350][ T466] __kernfs_create_file+0x4a/0x270 [ 40.093431][ T466] cgroup_addrm_files+0x99e/0xeb0 [ 40.098460][ T466] ? delete_node+0x747/0x7a0 [ 40.103076][ T466] css_populate_dir+0x137/0x370 [ 40.107982][ T466] cgroup_apply_control_enable+0x5cd/0xf70 [ 40.113756][ T466] cgroup_apply_control+0x36/0x710 [ 40.118833][ T466] ? init_wait_entry+0xe0/0xe0 [ 40.123574][ T466] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.128833][ T466] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.134883][ T466] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.140834][ T466] cgroup_file_write+0x22f/0x4f0 [ 40.145739][ T466] kernfs_fop_write_iter+0x2cd/0x410 [ 40.151003][ T466] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.156097][ T466] vfs_write+0xb57/0xe50 [ 40.160327][ T466] ksys_write+0x157/0x260 [ 40.164721][ T466] __x64_sys_write+0x7b/0x90 [ 40.169315][ T466] do_syscall_64+0x34/0x70 [ 40.173794][ T466] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.179655][ T466] RIP: 0033:0x7f3d4e2e20e9 [ 40.184052][ T466] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.203755][ T466] RSP: 002b:00007f3d4e237168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.212498][ T466] RAX: ffffffffffffffda RBX: 00007f3d4e3f5030 RCX: 00007f3d4e2e20e9 [ 40.220628][ T466] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.228574][ T466] RBP: 00007f3d4e2371d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.236641][ T466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.244599][ T466] R13: 00007fff5f1003cf R14: 00007f3d4e237300 R15: 0000000000022000 [ 40.254316][ T466] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.287215][ C1] !!! css_killed_ref_fn css ffff88810cc65000 !!! [ 40.293600][ C1] !!! css_killed_ref_fn css ffff88810cc64000 !!! [ 40.299934][ C1] !!! css_killed_ref_fn css ffff88810cc65800 !!! [ 40.306301][ T107] !!! css_release css ffff88810cc65000 !!! [ 40.312135][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810cc65000 !!! [ 40.319618][ T107] !!! css_release css ffff88810cc64000 !!! [ 40.325758][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810cc64000 !!! [ 40.333484][ T107] !!! css_release css ffff88810cc65800 !!! [ 40.339505][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810cc65800 !!! [ 40.347429][ T463] FAULT_INJECTION: forcing a failure. [ 40.347429][ T463] name failslab, interval 1, probability 0, space 0, times 0 [ 40.360716][ T463] CPU: 0 PID: 463 Comm: syz-executor.1 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 40.371377][ T463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.381518][ T463] Call Trace: [ 40.385058][ T463] dump_stack+0x19c/0x1e2 [ 40.389364][ T463] should_fail+0x3f7/0x5b0 [ 40.393776][ T463] __should_failslab+0xd2/0x130 [ 40.398737][ T463] should_failslab+0x9/0x20 [ 40.403341][ T463] slab_pre_alloc_hook+0x25/0xe0 [ 40.408347][ T463] ? __kernfs_new_node+0x4c/0x6d0 [ 40.413433][ T463] __kmalloc_track_caller+0x70/0x300 [ 40.418701][ T463] ? __kernfs_new_node+0x4c/0x6d0 [ 40.423785][ T463] kstrdup_const+0x55/0x90 [ 40.428170][ T463] __kernfs_new_node+0x4c/0x6d0 [ 40.432992][ T463] ? string+0x29f/0x2b0 [ 40.437122][ T463] ? vsnprintf+0x1a6c/0x1b30 [ 40.441942][ T463] kernfs_new_node+0x97/0x170 [ 40.446587][ T463] __kernfs_create_file+0x4a/0x270 [ 40.451666][ T463] cgroup_addrm_files+0x99e/0xeb0 [ 40.456747][ T463] ? delete_node+0x747/0x7a0 [ 40.461395][ T463] css_populate_dir+0x137/0x370 [ 40.466310][ T463] cgroup_apply_control_enable+0x5cd/0xf70 [ 40.472099][ T463] cgroup_apply_control+0x36/0x710 [ 40.477191][ T463] ? init_wait_entry+0xe0/0xe0 [ 40.482025][ T463] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.487294][ T463] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.493267][ T463] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.499327][ T463] cgroup_file_write+0x22f/0x4f0 [ 40.504251][ T463] kernfs_fop_write_iter+0x2cd/0x410 [ 40.509798][ T463] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.514891][ T463] vfs_write+0xb57/0xe50 [ 40.519128][ T463] ksys_write+0x157/0x260 [ 40.523879][ T463] __x64_sys_write+0x7b/0x90 [ 40.528673][ T463] do_syscall_64+0x34/0x70 [ 40.533178][ T463] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.539068][ T463] RIP: 0033:0x7f94e348c0e9 [ 40.543460][ T463] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.563133][ T463] RSP: 002b:00007f94e33e1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.571768][ T463] RAX: ffffffffffffffda RBX: 00007f94e359f030 RCX: 00007f94e348c0e9 [ 40.579804][ T463] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.587848][ T463] RBP: 00007f94e33e11d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.595973][ T463] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.604319][ T463] R13: 00007fff3113e32f R14: 00007f94e33e1300 R15: 0000000000022000 [ 40.614907][ T463] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.657266][ C1] !!! css_killed_ref_fn css ffff88810cbaf000 !!! [ 40.663744][ T107] !!! css_release css ffff88810cbaf000 !!! [ 40.669589][ C1] !!! css_killed_ref_fn css ffff88810cbad400 !!! [ 40.675914][ C1] !!! css_killed_ref_fn css ffff88811f3f6800 !!! [ 40.682381][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810cbaf000 !!! [ 40.690166][ T23] !!! css_release css ffff88810cbad400 !!! [ 40.695966][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810cbad400 !!! [ 40.703603][ T107] !!! css_release css ffff88811f3f6800 !!! [ 40.709482][ T107] !!! css_put is zero set CSS_NO_REF css ffff88811f3f6800 !!! [ 40.717195][ T474] FAULT_INJECTION: forcing a failure. [ 40.717195][ T474] name failslab, interval 1, probability 0, space 0, times 0 [ 40.729950][ T474] CPU: 0 PID: 474 Comm: syz-executor.4 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 40.740464][ T474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.750492][ T474] Call Trace: [ 40.753756][ T474] dump_stack+0x19c/0x1e2 [ 40.758068][ T474] should_fail+0x3f7/0x5b0 [ 40.762475][ T474] __should_failslab+0xd2/0x130 [ 40.767315][ T474] should_failslab+0x9/0x20 [ 40.771793][ T474] slab_pre_alloc_hook+0x25/0xe0 [ 40.776704][ T474] ? __kernfs_new_node+0x4c/0x6d0 [ 40.781710][ T474] __kmalloc_track_caller+0x70/0x300 [ 40.787070][ T474] ? __kernfs_new_node+0x4c/0x6d0 [ 40.792078][ T474] kstrdup_const+0x55/0x90 [ 40.796484][ T474] __kernfs_new_node+0x4c/0x6d0 [ 40.801442][ T474] ? string+0x29f/0x2b0 [ 40.805593][ T474] ? vsnprintf+0x1a6c/0x1b30 [ 40.810180][ T474] kernfs_new_node+0x97/0x170 [ 40.814854][ T474] __kernfs_create_file+0x4a/0x270 [ 40.819979][ T474] cgroup_addrm_files+0x99e/0xeb0 [ 40.824982][ T474] ? delete_node+0x747/0x7a0 [ 40.829554][ T474] css_populate_dir+0x137/0x370 [ 40.834383][ T474] cgroup_apply_control_enable+0x5cd/0xf70 [ 40.840425][ T474] cgroup_apply_control+0x36/0x710 [ 40.845508][ T474] ? init_wait_entry+0xe0/0xe0 [ 40.850253][ T474] ? cgroup_kn_lock_live+0x1af/0x370 [ 40.855517][ T474] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.861565][ T474] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.867612][ T474] cgroup_file_write+0x22f/0x4f0 [ 40.872529][ T474] kernfs_fop_write_iter+0x2cd/0x410 [ 40.877875][ T474] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.882956][ T474] vfs_write+0xb57/0xe50 [ 40.887172][ T474] ksys_write+0x157/0x260 [ 40.891475][ T474] __x64_sys_write+0x7b/0x90 [ 40.896034][ T474] do_syscall_64+0x34/0x70 [ 40.900424][ T474] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.906414][ T474] RIP: 0033:0x7fa8ac13f0e9 [ 40.910815][ T474] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.930588][ T474] RSP: 002b:00007fa8ac094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.938986][ T474] RAX: ffffffffffffffda RBX: 00007fa8ac252030 RCX: 00007fa8ac13f0e9 [ 40.947021][ T474] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.955061][ T474] RBP: 00007fa8ac0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.963003][ T474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.970944][ T474] R13: 00007fffaf83307f R14: 00007fa8ac094300 R15: 0000000000022000 [ 40.980776][ T474] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.017171][ C0] !!! css_killed_ref_fn css ffff88810cc97800 !!! [ 41.023543][ C0] !!! css_killed_ref_fn css ffff88810cc95400 !!! [ 41.029960][ C0] !!! css_killed_ref_fn css ffff88810cc97000 !!! [ 41.036614][ T5] !!! css_release css ffff88810cc97800 !!! [ 41.042471][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810cc97800 !!! [ 41.050309][ T5] !!! css_release css ffff88810cc95400 !!! [ 41.056104][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810cc95400 !!! [ 41.063751][ T5] !!! css_release css ffff88810cc97000 !!! [ 41.069682][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810cc97000 !!! [ 41.077580][ T465] FAULT_INJECTION: forcing a failure. [ 41.077580][ T465] name failslab, interval 1, probability 0, space 0, times 0 [ 41.090389][ T465] CPU: 1 PID: 465 Comm: syz-executor.3 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 41.100525][ T465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.110561][ T465] Call Trace: [ 41.113835][ T465] dump_stack+0x19c/0x1e2 [ 41.118142][ T465] should_fail+0x3f7/0x5b0 [ 41.122536][ T465] __should_failslab+0xd2/0x130 [ 41.127371][ T465] should_failslab+0x9/0x20 [ 41.131851][ T465] slab_pre_alloc_hook+0x25/0xe0 [ 41.136758][ T465] kmem_cache_alloc_trace+0x47/0x2b0 [ 41.142025][ T465] ? percpu_ref_init+0xd0/0x330 [ 41.146848][ T465] percpu_ref_init+0xd0/0x330 [ 41.151493][ T465] ? cgroup_setup_root+0x8a0/0x8a0 [ 41.156661][ T465] cgroup_apply_control_enable+0x3d2/0xf70 [ 41.162441][ T465] cgroup_apply_control+0x36/0x710 [ 41.167611][ T465] ? init_wait_entry+0xe0/0xe0 [ 41.172539][ T465] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.177796][ T465] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.183765][ T465] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.189811][ T465] cgroup_file_write+0x22f/0x4f0 [ 41.194925][ T465] kernfs_fop_write_iter+0x2cd/0x410 [ 41.200533][ T465] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.205631][ T465] vfs_write+0xb57/0xe50 [ 41.209846][ T465] ksys_write+0x157/0x260 [ 41.214254][ T465] __x64_sys_write+0x7b/0x90 [ 41.218830][ T465] do_syscall_64+0x34/0x70 [ 41.223275][ T465] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.230879][ T465] RIP: 0033:0x7f60e36f30e9 [ 41.235670][ T465] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.256357][ T465] RSP: 002b:00007f60e3648168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.265197][ T465] RAX: ffffffffffffffda RBX: 00007f60e3806030 RCX: 00007f60e36f30e9 [ 41.273498][ T465] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.281536][ T465] RBP: 00007f60e36481d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.289481][ T465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.297509][ T465] R13: 00007ffd107cf67f R14: 00007f60e3648300 R15: 0000000000022000 [ 41.347075][ C1] !!! css_killed_ref_fn css ffff88810cfb4400 !!! [ 41.353471][ C1] !!! css_killed_ref_fn css ffff88810d528c00 !!! [ 41.359974][ T107] !!! css_release css ffff88810cfb4400 !!! [ 41.365938][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810cfb4400 !!! [ 41.373453][ T107] !!! css_release css ffff88810d528c00 !!! [ 41.379363][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d528c00 !!! [ 41.386963][ T480] FAULT_INJECTION: forcing a failure. [ 41.386963][ T480] name failslab, interval 1, probability 0, space 0, times 0 [ 41.399666][ T480] CPU: 0 PID: 480 Comm: syz-executor.1 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 41.410002][ T480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.420048][ T480] Call Trace: [ 41.423410][ T480] dump_stack+0x19c/0x1e2 [ 41.427724][ T480] should_fail+0x3f7/0x5b0 [ 41.432120][ T480] __should_failslab+0xd2/0x130 [ 41.436961][ T480] should_failslab+0x9/0x20 [ 41.441711][ T480] slab_pre_alloc_hook+0x25/0xe0 [ 41.446635][ T480] kmem_cache_alloc_trace+0x47/0x2b0 [ 41.452514][ T480] ? percpu_ref_init+0xd0/0x330 [ 41.457352][ T480] percpu_ref_init+0xd0/0x330 [ 41.462187][ T480] ? cgroup_setup_root+0x8a0/0x8a0 [ 41.467293][ T480] cgroup_apply_control_enable+0x3d2/0xf70 [ 41.473614][ T480] cgroup_apply_control+0x36/0x710 [ 41.478709][ T480] ? init_wait_entry+0xe0/0xe0 [ 41.483514][ T480] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.488875][ T480] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.494931][ T480] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.501154][ T480] cgroup_file_write+0x22f/0x4f0 [ 41.506440][ T480] kernfs_fop_write_iter+0x2cd/0x410 [ 41.511733][ T480] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.516835][ T480] vfs_write+0xb57/0xe50 [ 41.521061][ T480] ksys_write+0x157/0x260 [ 41.525552][ T480] __x64_sys_write+0x7b/0x90 [ 41.530124][ T480] do_syscall_64+0x34/0x70 [ 41.534572][ T480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.540599][ T480] RIP: 0033:0x7f94e348c0e9 [ 41.545003][ T480] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.564714][ T480] RSP: 002b:00007f94e33e1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.573796][ T480] RAX: ffffffffffffffda RBX: 00007f94e359f030 RCX: 00007f94e348c0e9 [ 41.581847][ T480] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.590011][ T480] RBP: 00007f94e33e11d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.597977][ T480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.606274][ T480] R13: 00007fff3113e32f R14: 00007f94e33e1300 R15: 0000000000022000 [ 41.687271][ C0] !!! css_killed_ref_fn css ffff88810d76a800 !!! [ 41.693618][ C0] !!! css_killed_ref_fn css ffff88810d76b000 !!! [ 41.700018][ T382] !!! css_release css ffff88810d76a800 !!! [ 41.705809][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810d76a800 !!! [ 41.713508][ T382] !!! css_release css ffff88810d76b000 !!! [ 41.719459][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810d76b000 !!! [ 41.727377][ T477] FAULT_INJECTION: forcing a failure. [ 41.727377][ T477] name failslab, interval 1, probability 0, space 0, times 0 [ 41.740114][ T477] CPU: 1 PID: 477 Comm: syz-executor.5 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 41.750244][ T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.761411][ T477] Call Trace: [ 41.764703][ T477] dump_stack+0x19c/0x1e2 [ 41.769008][ T477] should_fail+0x3f7/0x5b0 [ 41.773393][ T477] __should_failslab+0xd2/0x130 [ 41.778229][ T477] should_failslab+0x9/0x20 [ 41.782719][ T477] slab_pre_alloc_hook+0x25/0xe0 [ 41.787646][ T477] kmem_cache_alloc_trace+0x47/0x2b0 [ 41.794955][ T477] ? percpu_ref_init+0xd0/0x330 [ 41.799804][ T477] percpu_ref_init+0xd0/0x330 [ 41.804463][ T477] ? cgroup_setup_root+0x8a0/0x8a0 [ 41.809551][ T477] cgroup_apply_control_enable+0x3d2/0xf70 [ 41.815340][ T477] cgroup_apply_control+0x36/0x710 [ 41.820432][ T477] ? init_wait_entry+0xe0/0xe0 [ 41.825167][ T477] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.830432][ T477] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.836425][ T477] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.842390][ T477] cgroup_file_write+0x22f/0x4f0 [ 41.847584][ T477] kernfs_fop_write_iter+0x2cd/0x410 [ 41.852849][ T477] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.857930][ T477] vfs_write+0xb57/0xe50 [ 41.862150][ T477] ksys_write+0x157/0x260 [ 41.866458][ T477] __x64_sys_write+0x7b/0x90 [ 41.871123][ T477] do_syscall_64+0x34/0x70 [ 41.875520][ T477] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.881998][ T477] RIP: 0033:0x7f3d4e2e20e9 [ 41.886391][ 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 [ 41.906062][ T477] RSP: 002b:00007f3d4e237168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.914545][ T477] RAX: ffffffffffffffda RBX: 00007f3d4e3f5030 RCX: 00007f3d4e2e20e9 [ 41.922501][ T477] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.930446][ T477] RBP: 00007f3d4e2371d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.938394][ T477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.946341][ T477] R13: 00007fff5f1003cf R14: 00007f3d4e237300 R15: 0000000000022000 [ 41.987107][ C1] !!! css_killed_ref_fn css ffff88810d651000 !!! [ 41.993477][ C1] !!! css_killed_ref_fn css ffff88810d653800 !!! [ 41.999942][ T107] !!! css_release css ffff88810d651000 !!! [ 42.005743][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d651000 !!! [ 42.013435][ T107] !!! css_release css ffff88810d653800 !!! [ 42.019297][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d653800 !!! [ 42.026914][ T473] FAULT_INJECTION: forcing a failure. [ 42.026914][ T473] name failslab, interval 1, probability 0, space 0, times 0 [ 42.039655][ T473] CPU: 0 PID: 473 Comm: syz-executor.2 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 42.049952][ T473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.060065][ T473] Call Trace: [ 42.063338][ T473] dump_stack+0x19c/0x1e2 [ 42.067681][ T473] should_fail+0x3f7/0x5b0 [ 42.072083][ T473] __should_failslab+0xd2/0x130 [ 42.076932][ T473] should_failslab+0x9/0x20 [ 42.081411][ T473] slab_pre_alloc_hook+0x25/0xe0 [ 42.086414][ T473] kmem_cache_alloc_trace+0x47/0x2b0 [ 42.091703][ T473] ? percpu_ref_init+0xd0/0x330 [ 42.096611][ T473] percpu_ref_init+0xd0/0x330 [ 42.101344][ T473] ? cgroup_setup_root+0x8a0/0x8a0 [ 42.106871][ T473] cgroup_apply_control_enable+0x3d2/0xf70 [ 42.112731][ T473] cgroup_apply_control+0x36/0x710 [ 42.117810][ T473] ? init_wait_entry+0xe0/0xe0 [ 42.122542][ T473] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.127809][ T473] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.133757][ T473] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.139725][ T473] cgroup_file_write+0x22f/0x4f0 [ 42.144638][ T473] kernfs_fop_write_iter+0x2cd/0x410 [ 42.149891][ T473] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.154972][ T473] vfs_write+0xb57/0xe50 [ 42.159309][ T473] ksys_write+0x157/0x260 [ 42.163606][ T473] __x64_sys_write+0x7b/0x90 [ 42.168178][ T473] do_syscall_64+0x34/0x70 [ 42.172560][ T473] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.178419][ T473] RIP: 0033:0x7fdd38b300e9 [ 42.182805][ T473] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.202382][ T473] RSP: 002b:00007fdd38a85168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.210766][ T473] RAX: ffffffffffffffda RBX: 00007fdd38c43030 RCX: 00007fdd38b300e9 [ 42.218759][ T473] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.226745][ T473] RBP: 00007fdd38a851d0 R08: 0000000000000000 R09: 0000000000000000 2022/05/27 21:31:05 executed programs: 15 [ 42.234704][ T473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.242741][ T473] R13: 00007ffe31dfd7bf R14: 00007fdd38a85300 R15: 0000000000022000 [ 42.287349][ C0] !!! css_killed_ref_fn css ffff88810dde2000 !!! [ 42.293701][ C0] !!! css_killed_ref_fn css ffff88810dde0400 !!! [ 42.300490][ T5] !!! css_release css ffff88810dde2000 !!! [ 42.306280][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810dde2000 !!! [ 42.313987][ T382] !!! css_release css ffff88810dde0400 !!! [ 42.319835][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810dde0400 !!! [ 42.327520][ T483] FAULT_INJECTION: forcing a failure. [ 42.327520][ T483] name failslab, interval 1, probability 0, space 0, times 0 [ 42.340355][ T483] CPU: 0 PID: 483 Comm: syz-executor.4 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 42.350481][ T483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.360598][ T483] Call Trace: [ 42.363889][ T483] dump_stack+0x19c/0x1e2 [ 42.368214][ T483] should_fail+0x3f7/0x5b0 [ 42.372631][ T483] __should_failslab+0xd2/0x130 [ 42.377639][ T483] should_failslab+0x9/0x20 [ 42.382128][ T483] slab_pre_alloc_hook+0x25/0xe0 [ 42.387056][ T483] kmem_cache_alloc_trace+0x47/0x2b0 [ 42.392319][ T483] ? percpu_ref_init+0xd0/0x330 [ 42.397148][ T483] percpu_ref_init+0xd0/0x330 [ 42.401802][ T483] ? cgroup_setup_root+0x8a0/0x8a0 [ 42.406904][ T483] cgroup_apply_control_enable+0x3d2/0xf70 [ 42.413199][ T483] cgroup_apply_control+0x36/0x710 [ 42.418278][ T483] ? init_wait_entry+0xe0/0xe0 [ 42.423116][ T483] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.428382][ T483] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.434339][ T483] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.440376][ T483] cgroup_file_write+0x22f/0x4f0 [ 42.445286][ T483] kernfs_fop_write_iter+0x2cd/0x410 [ 42.450544][ T483] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.455630][ T483] vfs_write+0xb57/0xe50 [ 42.460027][ T483] ksys_write+0x157/0x260 [ 42.464326][ T483] __x64_sys_write+0x7b/0x90 [ 42.468891][ T483] do_syscall_64+0x34/0x70 [ 42.473364][ T483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.479360][ T483] RIP: 0033:0x7fa8ac13f0e9 [ 42.483764][ 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 [ 42.503538][ T483] RSP: 002b:00007fa8ac094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.511932][ T483] RAX: ffffffffffffffda RBX: 00007fa8ac252030 RCX: 00007fa8ac13f0e9 [ 42.520143][ T483] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.528177][ T483] RBP: 00007fa8ac0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.536312][ T483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.544265][ T483] R13: 00007fffaf83307f R14: 00007fa8ac094300 R15: 0000000000022000 [ 42.597150][ C1] !!! css_killed_ref_fn css ffff88810d657800 !!! [ 42.603512][ C1] !!! css_killed_ref_fn css ffff88810de41800 !!! [ 42.609896][ T23] !!! css_release css ffff88810d657800 !!! [ 42.615671][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810d657800 !!! [ 42.623410][ T23] !!! css_release css ffff88810de41800 !!! [ 42.629237][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810de41800 !!! [ 42.636882][ T464] FAULT_INJECTION: forcing a failure. [ 42.636882][ T464] name failslab, interval 1, probability 0, space 0, times 0 [ 42.649493][ T464] CPU: 1 PID: 464 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 42.659904][ T464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.670028][ T464] Call Trace: [ 42.673414][ T464] dump_stack+0x19c/0x1e2 [ 42.677737][ T464] should_fail+0x3f7/0x5b0 [ 42.682199][ T464] __should_failslab+0xd2/0x130 [ 42.687127][ T464] should_failslab+0x9/0x20 [ 42.691614][ T464] slab_pre_alloc_hook+0x25/0xe0 [ 42.696671][ T464] ? __kernfs_new_node+0x4c/0x6d0 [ 42.701687][ T464] __kmalloc_track_caller+0x70/0x300 [ 42.707303][ T464] ? __kernfs_new_node+0x4c/0x6d0 [ 42.712304][ T464] kstrdup_const+0x55/0x90 [ 42.716789][ T464] __kernfs_new_node+0x4c/0x6d0 [ 42.721619][ T464] ? string+0x29f/0x2b0 [ 42.726108][ T464] ? vsnprintf+0x1a6c/0x1b30 [ 42.730680][ T464] kernfs_new_node+0x97/0x170 [ 42.735331][ T464] __kernfs_create_file+0x4a/0x270 [ 42.741108][ T464] cgroup_addrm_files+0x99e/0xeb0 [ 42.746109][ T464] ? delete_node+0x747/0x7a0 [ 42.750673][ T464] css_populate_dir+0x137/0x370 [ 42.755509][ T464] cgroup_apply_control_enable+0x5cd/0xf70 [ 42.761368][ T464] cgroup_apply_control+0x36/0x710 [ 42.766565][ T464] ? init_wait_entry+0xe0/0xe0 [ 42.771309][ T464] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.776788][ T464] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.783061][ T464] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.789018][ T464] cgroup_file_write+0x22f/0x4f0 [ 42.794021][ T464] kernfs_fop_write_iter+0x2cd/0x410 [ 42.799279][ T464] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.804358][ T464] vfs_write+0xb57/0xe50 [ 42.808572][ T464] ksys_write+0x157/0x260 [ 42.812881][ T464] __x64_sys_write+0x7b/0x90 [ 42.817444][ T464] do_syscall_64+0x34/0x70 [ 42.821825][ T464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.827682][ T464] RIP: 0033:0x7f23b98cf0e9 [ 42.832327][ T464] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.852168][ T464] RSP: 002b:00007f23b9824168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.860724][ T464] RAX: ffffffffffffffda RBX: 00007f23b99e2030 RCX: 00007f23b98cf0e9 [ 42.868756][ T464] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.876955][ T464] RBP: 00007f23b98241d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.884894][ T464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.893006][ T464] R13: 00007fff685ba4ef R14: 00007f23b9824300 R15: 0000000000022000 [ 42.901509][ T464] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.927155][ C0] !!! css_killed_ref_fn css ffff88810de21000 !!! [ 42.933536][ C0] !!! css_killed_ref_fn css ffff88810de20000 !!! [ 42.939979][ C0] !!! css_killed_ref_fn css ffff88810de21800 !!! [ 42.946580][ T382] !!! css_release css ffff88810de21000 !!! [ 42.952483][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810de21000 !!! [ 42.960278][ T5] !!! css_release css ffff88810de20000 !!! [ 42.968108][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810de20000 !!! [ 42.976147][ T496] FAULT_INJECTION: forcing a failure. [ 42.976147][ T496] name failslab, interval 1, probability 0, space 0, times 0 [ 42.989063][ T496] CPU: 0 PID: 496 Comm: syz-executor.5 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 42.999285][ T496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.009402][ T496] Call Trace: [ 43.012666][ T496] dump_stack+0x19c/0x1e2 [ 43.016988][ T496] should_fail+0x3f7/0x5b0 [ 43.021384][ T496] __should_failslab+0xd2/0x130 [ 43.026209][ T496] should_failslab+0x9/0x20 [ 43.030738][ T496] slab_pre_alloc_hook+0x25/0xe0 [ 43.035647][ T496] ? __kernfs_new_node+0x4c/0x6d0 [ 43.040731][ T496] __kmalloc_track_caller+0x70/0x300 [ 43.045986][ T496] ? __kernfs_new_node+0x4c/0x6d0 [ 43.050980][ T496] kstrdup_const+0x55/0x90 [ 43.055376][ T496] __kernfs_new_node+0x4c/0x6d0 [ 43.060195][ T496] ? string+0x29f/0x2b0 [ 43.064353][ T496] ? vsnprintf+0x1a6c/0x1b30 [ 43.068920][ T496] kernfs_new_node+0x97/0x170 [ 43.073573][ T496] __kernfs_create_file+0x4a/0x270 [ 43.078680][ T496] cgroup_addrm_files+0x99e/0xeb0 [ 43.084202][ T496] ? delete_node+0x747/0x7a0 [ 43.088763][ T496] css_populate_dir+0x137/0x370 [ 43.093585][ T496] cgroup_apply_control_enable+0x5cd/0xf70 [ 43.099371][ T496] cgroup_apply_control+0x36/0x710 [ 43.104458][ T496] ? init_wait_entry+0xe0/0xe0 [ 43.109195][ T496] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.114458][ T496] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.120584][ T496] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.126543][ T496] cgroup_file_write+0x22f/0x4f0 [ 43.131543][ T496] kernfs_fop_write_iter+0x2cd/0x410 [ 43.137144][ T496] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.142225][ T496] vfs_write+0xb57/0xe50 [ 43.146454][ T496] ksys_write+0x157/0x260 [ 43.150752][ T496] __x64_sys_write+0x7b/0x90 [ 43.155314][ T496] do_syscall_64+0x34/0x70 [ 43.159710][ T496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.165582][ T496] RIP: 0033:0x7f3d4e2e20e9 [ 43.169983][ 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 [ 43.189589][ T496] RSP: 002b:00007f3d4e237168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.198001][ T496] RAX: ffffffffffffffda RBX: 00007f3d4e3f5030 RCX: 00007f3d4e2e20e9 [ 43.206047][ T496] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.214010][ T496] RBP: 00007f3d4e2371d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.222478][ T496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.230436][ T496] R13: 00007fff5f1003cf R14: 00007f3d4e237300 R15: 0000000000022000 [ 43.238750][ T496] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.287080][ C1] !!! css_killed_ref_fn css ffff88810dea3800 !!! [ 43.293469][ C1] !!! css_killed_ref_fn css ffff88810dea1400 !!! [ 43.299809][ C1] !!! css_killed_ref_fn css ffff88810dea3000 !!! [ 43.306404][ T23] !!! css_release css ffff88810dea3800 !!! [ 43.312392][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810dea3800 !!! [ 43.320138][ T23] !!! css_release css ffff88810dea1400 !!! [ 43.326013][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810dea1400 !!! [ 43.334156][ T499] FAULT_INJECTION: forcing a failure. [ 43.334156][ T499] name failslab, interval 1, probability 0, space 0, times 0 [ 43.346806][ T499] CPU: 0 PID: 499 Comm: syz-executor.3 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 43.357216][ T499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.367242][ T499] Call Trace: [ 43.370512][ T499] dump_stack+0x19c/0x1e2 [ 43.374930][ T499] should_fail+0x3f7/0x5b0 [ 43.379347][ T499] __should_failslab+0xd2/0x130 [ 43.384468][ T499] should_failslab+0x9/0x20 [ 43.389206][ T499] slab_pre_alloc_hook+0x25/0xe0 [ 43.394137][ T499] kmem_cache_alloc_trace+0x47/0x2b0 [ 43.399514][ T499] ? percpu_ref_init+0xd0/0x330 [ 43.404361][ T499] percpu_ref_init+0xd0/0x330 [ 43.409120][ T499] ? cgroup_setup_root+0x8a0/0x8a0 [ 43.414209][ T499] cgroup_apply_control_enable+0x3d2/0xf70 [ 43.419990][ T499] cgroup_apply_control+0x36/0x710 [ 43.425071][ T499] ? init_wait_entry+0xe0/0xe0 [ 43.429824][ T499] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.435094][ T499] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.441072][ T499] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.447302][ T499] cgroup_file_write+0x22f/0x4f0 [ 43.452219][ T499] kernfs_fop_write_iter+0x2cd/0x410 [ 43.457646][ T499] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.462840][ T499] vfs_write+0xb57/0xe50 [ 43.467082][ T499] ksys_write+0x157/0x260 [ 43.471391][ T499] __x64_sys_write+0x7b/0x90 [ 43.475975][ T499] do_syscall_64+0x34/0x70 [ 43.480370][ T499] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.486246][ T499] RIP: 0033:0x7f60e36f30e9 [ 43.490730][ 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 [ 43.510686][ T499] RSP: 002b:00007f60e3648168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.519078][ T499] RAX: ffffffffffffffda RBX: 00007f60e3806030 RCX: 00007f60e36f30e9 [ 43.527032][ T499] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.535719][ T499] RBP: 00007f60e36481d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.543691][ T499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.551655][ T499] R13: 00007ffd107cf67f R14: 00007f60e3648300 R15: 0000000000022000 [ 43.587094][ C0] !!! css_killed_ref_fn css ffff88810df6bc00 !!! [ 43.593637][ C0] !!! css_killed_ref_fn css ffff88810df6ac00 !!! [ 43.600221][ T5] !!! css_release css ffff88810df6bc00 !!! [ 43.606113][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810df6bc00 !!! [ 43.613833][ T5] !!! css_release css ffff88810df6ac00 !!! [ 43.621103][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810df6ac00 !!! [ 43.628901][ T507] FAULT_INJECTION: forcing a failure. [ 43.628901][ T507] name failslab, interval 1, probability 0, space 0, times 0 [ 43.641501][ T507] CPU: 0 PID: 507 Comm: syz-executor.3 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 43.651622][ T507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.661665][ T507] Call Trace: [ 43.665278][ T507] dump_stack+0x19c/0x1e2 [ 43.669596][ T507] should_fail+0x3f7/0x5b0 [ 43.673989][ T507] __should_failslab+0xd2/0x130 [ 43.678860][ T507] should_failslab+0x9/0x20 [ 43.683340][ T507] slab_pre_alloc_hook+0x25/0xe0 [ 43.688276][ T507] kmem_cache_alloc_trace+0x47/0x2b0 [ 43.693634][ T507] ? percpu_ref_init+0xd0/0x330 [ 43.698474][ T507] percpu_ref_init+0xd0/0x330 [ 43.703123][ T507] ? cgroup_setup_root+0x8a0/0x8a0 [ 43.708212][ T507] cgroup_apply_control_enable+0x3d2/0xf70 [ 43.713991][ T507] cgroup_apply_control+0x36/0x710 [ 43.719080][ T507] ? init_wait_entry+0xe0/0xe0 [ 43.723831][ T507] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.729185][ T507] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.735199][ T507] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.741174][ T507] cgroup_file_write+0x22f/0x4f0 [ 43.746088][ T507] kernfs_fop_write_iter+0x2cd/0x410 [ 43.751359][ T507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.756452][ T507] vfs_write+0xb57/0xe50 [ 43.760750][ T507] ksys_write+0x157/0x260 [ 43.765065][ T507] __x64_sys_write+0x7b/0x90 [ 43.769633][ T507] do_syscall_64+0x34/0x70 [ 43.774114][ T507] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.780165][ T507] RIP: 0033:0x7f60e36f30e9 [ 43.784562][ T507] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.804326][ T507] RSP: 002b:00007f60e3648168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.812719][ T507] RAX: ffffffffffffffda RBX: 00007f60e3806030 RCX: 00007f60e36f30e9 [ 43.820666][ T507] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.828626][ T507] RBP: 00007f60e36481d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.836577][ T507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.844794][ T507] R13: 00007ffd107cf67f R14: 00007f60e3648300 R15: 0000000000022000 [ 43.858059][ T420] ------------[ cut here ]------------ [ 43.863541][ T420] WARNING: CPU: 0 PID: 420 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 43.872616][ T420] Modules linked in: [ 43.876525][ T420] CPU: 0 PID: 420 Comm: syz-executor.3 Not tainted 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 43.886686][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.897180][ T420] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 43.902818][ T420] Code: 48 c7 c2 80 de c4 85 e8 42 e3 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 d3 71 a7 ff e9 28 fd ff ff [ 43.922615][ T420] RSP: 0018:ffffc90000cf7d58 EFLAGS: 00010293 [ 43.928700][ T420] RAX: ffffffff81af01fc RBX: ffff88810c5e2fe0 RCX: ffff888108296ac0 [ 43.936656][ T420] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 43.944678][ T420] RBP: ffffc90000cf7dc8 R08: ffffffff81aeff27 R09: fffff5200019efa3 [ 43.952676][ T420] R10: fffff5200019efa3 R11: 1ffff9200019efa2 R12: dffffc0000000000 [ 43.960649][ T420] R13: ffff88810c5e2f00 R14: 00000000fffffffe R15: 0000000000000000 [ 43.968620][ T420] FS: 0000555555ca5400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 43.977552][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.984138][ T420] CR2: 00007f60e3647ff8 CR3: 0000000109311000 CR4: 00000000003506b0 [ 43.992207][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.000182][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.008159][ T420] Call Trace: [ 44.011441][ T420] ? init_wait_entry+0xe0/0xe0 [ 44.016191][ T420] ? up_write+0x68/0x140 [ 44.020439][ T420] namespace_unlock+0x377/0x420 [ 44.025279][ T420] path_umount+0xe23/0xed0 [ 44.029705][ T420] __x64_sys_umount+0xe8/0x110 [ 44.034519][ T420] do_syscall_64+0x34/0x70 [ 44.039038][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.044921][ T420] RIP: 0033:0x7f60e36f4557 [ 44.049334][ T420] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.069225][ T420] RSP: 002b:00007ffd107ce7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 44.077641][ T420] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f60e36f4557 [ 44.085608][ T420] RDX: 00007ffd107ce8a9 RSI: 000000000000000a RDI: 00007ffd107ce8a0 [ 44.093592][ T420] RBP: 00007ffd107ce8a0 R08: 00000000ffffffff R09: 00007ffd107ce670 [ 44.101566][ T420] R10: 0000555555ca6ba3 R11: 0000000000000246 R12: 00007f60e374c1f8 [ 44.109534][ T420] R13: 00007ffd107cf960 R14: 0000555555ca6b00 R15: 00007ffd107cf9a0 [ 44.117506][ T420] ---[ end trace 5d19eefdfba7e7f6 ]--- [ 44.123033][ T420] ------------[ cut here ]------------ [ 44.128591][ C1] !!! css_killed_ref_fn css ffff88810e0d5400 !!! [ 44.134929][ T420] WARNING: CPU: 1 PID: 420 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 44.143956][ T420] Modules linked in: [ 44.147856][ T420] CPU: 1 PID: 420 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 44.159392][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.169452][ T420] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 44.175058][ T420] Code: 48 c7 c2 80 de c4 85 e8 42 e3 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 d3 71 a7 ff e9 28 fd ff ff [ 44.194786][ T420] RSP: 0018:ffffc90000cf7dd0 EFLAGS: 00010293 [ 44.200860][ T420] RAX: ffffffff81af01fc RBX: ffff88810c5e2fe0 RCX: ffff888108296ac0 [ 44.208846][ T420] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 44.216824][ T420] RBP: ffffc90000cf7e40 R08: ffffffff81aeff27 R09: fffff5200019efb2 [ 44.224831][ T420] R10: fffff5200019efb2 R11: 1ffff9200019efb1 R12: dffffc0000000000 [ 44.232933][ T420] R13: ffff88810c5e2f00 R14: 00000000fffffffd R15: 0000000000000000 [ 44.240920][ T420] FS: 0000555555ca5400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 44.249881][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.256450][ T420] CR2: 00007ffd107cdff8 CR3: 0000000109311000 CR4: 00000000003506a0 [ 44.264900][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.272888][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.280867][ T420] Call Trace: [ 44.284148][ T420] path_umount+0x1ad/0xed0 [ 44.288572][ T420] __x64_sys_umount+0xe8/0x110 [ 44.293327][ T420] do_syscall_64+0x34/0x70 [ 44.297747][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.303623][ T420] RIP: 0033:0x7f60e36f4557 [ 44.308040][ T420] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.328001][ T420] RSP: 002b:00007ffd107ce7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 44.336496][ T420] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f60e36f4557 [ 44.344577][ T420] RDX: 00007ffd107ce8a9 RSI: 000000000000000a RDI: 00007ffd107ce8a0 [ 44.352566][ T420] RBP: 00007ffd107ce8a0 R08: 00000000ffffffff R09: 00007ffd107ce670 [ 44.360555][ T420] R10: 0000555555ca6ba3 R11: 0000000000000246 R12: 00007f60e374c1f8 [ 44.368619][ T420] R13: 00007ffd107cf960 R14: 0000555555ca6b00 R15: 00007ffd107cf9a0 [ 44.376588][ T420] ---[ end trace 5d19eefdfba7e7f7 ]--- [ 44.382753][ T23] !!! css_release css ffff88810e0d5400 !!! [ 44.389282][ C1] !!! css_killed_ref_fn css ffff88810e0d7800 !!! [ 44.396047][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810e0d5400 !!! [ 44.403767][ T389] !!! css_release css ffff88810e0d7800 !!! [ 44.409650][ T389] !!! css_put is zero set CSS_NO_REF css ffff88810e0d7800 !!! [ 44.417466][ T498] FAULT_INJECTION: forcing a failure. [ 44.417466][ T498] name failslab, interval 1, probability 0, space 0, times 0 [ 44.430442][ T498] CPU: 0 PID: 498 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 44.442061][ T498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.452260][ T498] Call Trace: [ 44.455534][ T498] dump_stack+0x19c/0x1e2 [ 44.459846][ T498] should_fail+0x3f7/0x5b0 [ 44.464342][ T498] __should_failslab+0xd2/0x130 [ 44.469174][ T498] should_failslab+0x9/0x20 [ 44.473653][ T498] slab_pre_alloc_hook+0x25/0xe0 [ 44.478561][ T498] kmem_cache_alloc_trace+0x47/0x2b0 [ 44.483927][ T498] ? percpu_ref_init+0xd0/0x330 [ 44.489024][ T498] percpu_ref_init+0xd0/0x330 [ 44.493692][ T498] ? cgroup_setup_root+0x8a0/0x8a0 [ 44.498979][ T498] cgroup_apply_control_enable+0x3d2/0xf70 [ 44.504759][ T498] cgroup_apply_control+0x36/0x710 [ 44.509928][ T498] ? init_wait_entry+0xe0/0xe0 [ 44.514944][ T498] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.520199][ T498] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.526235][ T498] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.532190][ T498] cgroup_file_write+0x22f/0x4f0 [ 44.537192][ T498] kernfs_fop_write_iter+0x2cd/0x410 [ 44.542447][ T498] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.547617][ T498] vfs_write+0xb57/0xe50 [ 44.551829][ T498] ksys_write+0x157/0x260 [ 44.556218][ T498] __x64_sys_write+0x7b/0x90 [ 44.560787][ T498] do_syscall_64+0x34/0x70 [ 44.565184][ T498] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.571145][ T498] RIP: 0033:0x7f94e348c0e9 [ 44.575643][ 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 [ 44.595320][ T498] RSP: 002b:00007f94e33e1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.603703][ T498] RAX: ffffffffffffffda RBX: 00007f94e359f030 RCX: 00007f94e348c0e9 [ 44.611654][ T498] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.619597][ T498] RBP: 00007f94e33e11d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.627541][ T498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.635486][ T498] R13: 00007fff3113e32f R14: 00007f94e33e1300 R15: 0000000000022000 [ 44.645494][ T22] audit: type=1400 audit(1653687068.050:159): 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 [ 44.668206][ T22] audit: type=1400 audit(1653687068.050:160): 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 [ 44.690473][ T22] audit: type=1400 audit(1653687068.050:161): 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 [ 44.697333][ C0] !!! css_killed_ref_fn css ffff88810e286400 !!! [ 44.717784][ C0] !!! css_killed_ref_fn css ffff88810e286800 !!! [ 44.724423][ T382] !!! css_release css ffff88810e286400 !!! [ 44.730282][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810e286400 !!! [ 44.738127][ T382] !!! css_release css ffff88810e286800 !!! [ 44.744273][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810e286800 !!! [ 44.752439][ T497] FAULT_INJECTION: forcing a failure. [ 44.752439][ T497] name failslab, interval 1, probability 0, space 0, times 0 [ 44.765267][ T497] CPU: 1 PID: 497 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 44.776858][ T497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.787102][ T497] Call Trace: [ 44.790377][ T497] dump_stack+0x19c/0x1e2 [ 44.794685][ T497] should_fail+0x3f7/0x5b0 [ 44.799072][ T497] __should_failslab+0xd2/0x130 [ 44.804065][ T497] should_failslab+0x9/0x20 [ 44.808550][ T497] slab_pre_alloc_hook+0x25/0xe0 [ 44.813567][ T497] kmem_cache_alloc_trace+0x47/0x2b0 [ 44.818829][ T497] ? pids_css_alloc+0x4e/0x120 [ 44.823564][ T497] pids_css_alloc+0x4e/0x120 [ 44.828125][ T497] cgroup_apply_control_enable+0x381/0xf70 [ 44.833899][ T497] cgroup_apply_control+0x36/0x710 [ 44.839090][ T497] ? init_wait_entry+0xe0/0xe0 [ 44.843822][ T497] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.849090][ T497] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.855045][ T497] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.860992][ T497] cgroup_file_write+0x22f/0x4f0 [ 44.865911][ T497] kernfs_fop_write_iter+0x2cd/0x410 [ 44.871263][ T497] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.876349][ T497] vfs_write+0xb57/0xe50 [ 44.880649][ T497] ksys_write+0x157/0x260 [ 44.885151][ T497] __x64_sys_write+0x7b/0x90 [ 44.889762][ T497] do_syscall_64+0x34/0x70 [ 44.894157][ T497] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.900111][ T497] RIP: 0033:0x7fa8ac13f0e9 [ 44.904594][ 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 [ 44.924188][ T497] RSP: 002b:00007fa8ac094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.932601][ T497] RAX: ffffffffffffffda RBX: 00007fa8ac252030 RCX: 00007fa8ac13f0e9 [ 44.940555][ T497] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.948512][ T497] RBP: 00007fa8ac0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.956803][ T497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.964747][ T497] R13: 00007fffaf83307f R14: 00007fa8ac094300 R15: 0000000000022000 [ 45.007317][ C1] !!! css_killed_ref_fn css ffff88810e3d5000 !!! [ 45.013705][ C1] !!! css_killed_ref_fn css ffff88810e3d4000 !!! [ 45.020260][ T23] !!! css_release css ffff88810e3d5000 !!! [ 45.026090][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810e3d5000 !!! [ 45.034060][ T23] !!! css_release css ffff88810e3d4000 !!! [ 45.040235][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810e3d4000 !!! [ 45.048134][ T504] FAULT_INJECTION: forcing a failure. [ 45.048134][ T504] name failslab, interval 1, probability 0, space 0, times 0 [ 45.060793][ T504] CPU: 0 PID: 504 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 45.072298][ T504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.082430][ T504] Call Trace: [ 45.085724][ T504] dump_stack+0x19c/0x1e2 [ 45.090113][ T504] should_fail+0x3f7/0x5b0 [ 45.094499][ T504] __should_failslab+0xd2/0x130 [ 45.099326][ T504] should_failslab+0x9/0x20 [ 45.103810][ T504] slab_pre_alloc_hook+0x25/0xe0 [ 45.108718][ T504] kmem_cache_alloc_trace+0x47/0x2b0 [ 45.114147][ T504] ? percpu_ref_init+0xd0/0x330 [ 45.118977][ T504] percpu_ref_init+0xd0/0x330 [ 45.123730][ T504] ? cgroup_setup_root+0x8a0/0x8a0 [ 45.128819][ T504] cgroup_apply_control_enable+0x3d2/0xf70 [ 45.134864][ T504] cgroup_apply_control+0x36/0x710 [ 45.139957][ T504] ? init_wait_entry+0xe0/0xe0 [ 45.144954][ T504] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.150217][ T504] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.156165][ T504] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.162134][ T504] cgroup_file_write+0x22f/0x4f0 [ 45.167064][ T504] kernfs_fop_write_iter+0x2cd/0x410 [ 45.172339][ T504] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.177432][ T504] vfs_write+0xb57/0xe50 [ 45.181656][ T504] ksys_write+0x157/0x260 [ 45.185985][ T504] __x64_sys_write+0x7b/0x90 [ 45.190550][ T504] do_syscall_64+0x34/0x70 [ 45.194942][ T504] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.200810][ T504] RIP: 0033:0x7f3d4e2e20e9 [ 45.205205][ T504] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.224878][ T504] RSP: 002b:00007f3d4e237168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.233272][ T504] RAX: ffffffffffffffda RBX: 00007f3d4e3f5030 RCX: 00007f3d4e2e20e9 [ 45.241225][ T504] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.249181][ T504] RBP: 00007f3d4e2371d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.257127][ T504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.265248][ T504] R13: 00007fff5f1003cf R14: 00007f3d4e237300 R15: 0000000000022000 [ 45.327161][ C0] !!! css_killed_ref_fn css ffff88810eb79c00 !!! [ 45.333525][ C0] !!! css_killed_ref_fn css ffff88810eb7a400 !!! [ 45.339939][ T382] !!! css_release css ffff88810eb79c00 !!! [ 45.345732][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810eb79c00 !!! [ 45.353582][ T382] !!! css_release css ffff88810eb7a400 !!! [ 45.359775][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810eb7a400 !!! [ 45.367440][ T500] FAULT_INJECTION: forcing a failure. [ 45.367440][ T500] name failslab, interval 1, probability 0, space 0, times 0 [ 45.380557][ T500] CPU: 1 PID: 500 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 45.392423][ T500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.402457][ T500] Call Trace: [ 45.405743][ T500] dump_stack+0x19c/0x1e2 [ 45.410222][ T500] should_fail+0x3f7/0x5b0 [ 45.414628][ T500] __should_failslab+0xd2/0x130 [ 45.419447][ T500] should_failslab+0x9/0x20 [ 45.423920][ T500] slab_pre_alloc_hook+0x25/0xe0 [ 45.428826][ T500] kmem_cache_alloc_trace+0x47/0x2b0 [ 45.434170][ T500] ? percpu_ref_init+0xd0/0x330 [ 45.439008][ T500] percpu_ref_init+0xd0/0x330 [ 45.443676][ T500] ? cgroup_setup_root+0x8a0/0x8a0 [ 45.448767][ T500] cgroup_apply_control_enable+0x3d2/0xf70 [ 45.454615][ T500] cgroup_apply_control+0x36/0x710 [ 45.459759][ T500] ? init_wait_entry+0xe0/0xe0 [ 45.464527][ T500] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.470046][ T500] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.476004][ T500] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.481958][ T500] cgroup_file_write+0x22f/0x4f0 [ 45.486974][ T500] kernfs_fop_write_iter+0x2cd/0x410 [ 45.492236][ T500] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.497316][ T500] vfs_write+0xb57/0xe50 [ 45.501529][ T500] ksys_write+0x157/0x260 [ 45.505829][ T500] __x64_sys_write+0x7b/0x90 [ 45.510388][ T500] do_syscall_64+0x34/0x70 [ 45.514783][ T500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.520761][ T500] RIP: 0033:0x7fdd38b300e9 [ 45.525145][ T500] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.544902][ T500] RSP: 002b:00007fdd38a85168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.553397][ T500] RAX: ffffffffffffffda RBX: 00007fdd38c43030 RCX: 00007fdd38b300e9 [ 45.561516][ T500] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.569472][ T500] RBP: 00007fdd38a851d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.577943][ T500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.585971][ T500] R13: 00007ffe31dfd7bf R14: 00007fdd38a85300 R15: 0000000000022000 [ 45.617104][ C1] !!! css_killed_ref_fn css ffff88810eb59400 !!! [ 45.623694][ C1] !!! css_killed_ref_fn css ffff88810eb5ec00 !!! [ 45.630146][ T23] !!! css_release css ffff88810eb59400 !!! [ 45.636129][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810eb59400 !!! [ 45.643794][ T23] !!! css_release css ffff88810eb5ec00 !!! [ 45.649775][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810eb5ec00 !!! [ 45.657624][ T501] FAULT_INJECTION: forcing a failure. [ 45.657624][ T501] name failslab, interval 1, probability 0, space 0, times 0 [ 45.670412][ T501] CPU: 1 PID: 501 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 45.682110][ T501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.692155][ T501] Call Trace: [ 45.695443][ T501] dump_stack+0x19c/0x1e2 [ 45.699759][ T501] should_fail+0x3f7/0x5b0 [ 45.704157][ T501] __should_failslab+0xd2/0x130 [ 45.709038][ T501] should_failslab+0x9/0x20 [ 45.713518][ T501] slab_pre_alloc_hook+0x25/0xe0 [ 45.718498][ T501] kmem_cache_alloc_trace+0x47/0x2b0 [ 45.723753][ T501] ? percpu_ref_init+0xd0/0x330 [ 45.728574][ T501] percpu_ref_init+0xd0/0x330 [ 45.733227][ T501] ? cgroup_setup_root+0x8a0/0x8a0 [ 45.738317][ T501] cgroup_apply_control_enable+0x3d2/0xf70 [ 45.744111][ T501] cgroup_apply_control+0x36/0x710 [ 45.749200][ T501] ? init_wait_entry+0xe0/0xe0 [ 45.753939][ T501] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.759199][ T501] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.765153][ T501] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.771204][ T501] cgroup_file_write+0x22f/0x4f0 [ 45.776114][ T501] kernfs_fop_write_iter+0x2cd/0x410 [ 45.781544][ T501] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.786640][ T501] vfs_write+0xb57/0xe50 [ 45.790862][ T501] ksys_write+0x157/0x260 [ 45.795270][ T501] __x64_sys_write+0x7b/0x90 [ 45.799854][ T501] do_syscall_64+0x34/0x70 [ 45.804245][ T501] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.810282][ T501] RIP: 0033:0x7f23b98cf0e9 [ 45.814670][ T501] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.834336][ T501] RSP: 002b:00007f23b9824168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.842724][ T501] RAX: ffffffffffffffda RBX: 00007f23b99e2030 RCX: 00007f23b98cf0e9 [ 45.850666][ T501] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.858610][ T501] RBP: 00007f23b98241d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.866560][ T501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.874505][ T501] R13: 00007fff685ba4ef R14: 00007f23b9824300 R15: 0000000000022000 [ 45.907081][ C1] !!! css_killed_ref_fn css ffff88810eb5cc00 !!! [ 45.913477][ C1] !!! css_killed_ref_fn css ffff88810eb5e000 !!! [ 45.919871][ T389] !!! css_release css ffff88810eb5cc00 !!! [ 45.925657][ T389] !!! css_put is zero set CSS_NO_REF css ffff88810eb5cc00 !!! [ 45.933429][ T389] !!! css_release css ffff88810eb5e000 !!! [ 45.939409][ T389] !!! css_put is zero set CSS_NO_REF css ffff88810eb5e000 !!! [ 45.947400][ T524] FAULT_INJECTION: forcing a failure. [ 45.947400][ T524] name failslab, interval 1, probability 0, space 0, times 0 [ 45.960182][ T524] CPU: 1 PID: 524 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 45.971951][ T524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.981980][ T524] Call Trace: [ 45.985243][ T524] dump_stack+0x19c/0x1e2 [ 45.989780][ T524] should_fail+0x3f7/0x5b0 [ 45.994202][ T524] __should_failslab+0xd2/0x130 [ 45.999087][ T524] should_failslab+0x9/0x20 [ 46.003666][ T524] slab_pre_alloc_hook+0x25/0xe0 [ 46.008589][ T524] ? __kernfs_new_node+0x4c/0x6d0 [ 46.013764][ T524] __kmalloc_track_caller+0x70/0x300 [ 46.019049][ T524] ? __kernfs_new_node+0x4c/0x6d0 [ 46.024056][ T524] kstrdup_const+0x55/0x90 [ 46.028457][ T524] __kernfs_new_node+0x4c/0x6d0 [ 46.033294][ T524] ? string+0x29f/0x2b0 [ 46.037437][ T524] ? vsnprintf+0x1a6c/0x1b30 [ 46.042008][ T524] kernfs_new_node+0x97/0x170 [ 46.046693][ T524] __kernfs_create_file+0x4a/0x270 [ 46.051799][ T524] cgroup_addrm_files+0x99e/0xeb0 [ 46.056801][ T524] ? delete_node+0x747/0x7a0 [ 46.061395][ T524] css_populate_dir+0x137/0x370 [ 46.066230][ T524] cgroup_apply_control_enable+0x5cd/0xf70 [ 46.072021][ T524] cgroup_apply_control+0x36/0x710 [ 46.077116][ T524] ? init_wait_entry+0xe0/0xe0 [ 46.081861][ T524] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.087121][ T524] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.093071][ T524] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.099025][ T524] cgroup_file_write+0x22f/0x4f0 [ 46.103938][ T524] kernfs_fop_write_iter+0x2cd/0x410 [ 46.109195][ T524] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.114294][ T524] vfs_write+0xb57/0xe50 [ 46.118510][ T524] ksys_write+0x157/0x260 [ 46.122811][ T524] __x64_sys_write+0x7b/0x90 [ 46.127378][ T524] do_syscall_64+0x34/0x70 [ 46.131774][ T524] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.137652][ T524] RIP: 0033:0x7fdd38b300e9 [ 46.142053][ 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 [ 46.161830][ T524] RSP: 002b:00007fdd38a85168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.170220][ T524] RAX: ffffffffffffffda RBX: 00007fdd38c43030 RCX: 00007fdd38b300e9 [ 46.178190][ T524] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.186155][ T524] RBP: 00007fdd38a851d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.194100][ T524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.202055][ T524] R13: 00007ffe31dfd7bf R14: 00007fdd38a85300 R15: 0000000000022000 [ 46.211067][ T524] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.221848][ T427] ------------[ cut here ]------------ [ 46.227356][ T427] WARNING: CPU: 0 PID: 427 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 46.236271][ T427] Modules linked in: [ 46.240202][ T427] CPU: 0 PID: 427 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 46.251755][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.261839][ T427] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 46.267478][ T427] Code: 48 c7 c2 80 de c4 85 e8 42 e3 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 d3 71 a7 ff e9 28 fd ff ff [ 46.287103][ T427] RSP: 0018:ffffc90000f27d58 EFLAGS: 00010293 [ 46.293278][ T427] RAX: ffffffff81af01fc RBX: ffff88810a7a2fe0 RCX: ffff888107a75b80 [ 46.301444][ T427] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 46.309949][ T427] RBP: ffffc90000f27dc8 R08: ffffffff81aeff27 R09: fffff520001e4fa3 [ 46.318814][ T427] R10: fffff520001e4fa3 R11: 1ffff920001e4fa2 R12: dffffc0000000000 [ 46.326782][ T427] R13: ffff88810a7a2f00 R14: 00000000fffffffe R15: 0000000000000000 [ 46.334761][ T427] FS: 0000555556a83400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 46.343703][ T427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.350366][ T427] CR2: 0000555556a8cb38 CR3: 000000011a98d000 CR4: 00000000003506b0 [ 46.358511][ T427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.366460][ T427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.374443][ T427] Call Trace: [ 46.377736][ T427] ? init_wait_entry+0xe0/0xe0 [ 46.382481][ T427] ? up_write+0x68/0x140 [ 46.386705][ T427] namespace_unlock+0x377/0x420 [ 46.391557][ T427] path_umount+0xe23/0xed0 [ 46.395965][ T427] __x64_sys_umount+0xe8/0x110 [ 46.400770][ T427] do_syscall_64+0x34/0x70 [ 46.405179][ T427] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.411323][ T427] RIP: 0033:0x7fdd38b31557 [ 46.415724][ T427] 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 [ 46.435505][ T427] RSP: 002b:00007ffe31dfc918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 46.444112][ T427] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd38b31557 [ 46.452357][ T427] RDX: 00007ffe31dfc9e9 RSI: 000000000000000a RDI: 00007ffe31dfc9e0 [ 46.460334][ T427] RBP: 00007ffe31dfc9e0 R08: 00000000ffffffff R09: 00007ffe31dfc7b0 [ 46.468305][ T427] R10: 0000555556a84ba3 R11: 0000000000000246 R12: 00007fdd38b891f8 [ 46.476360][ T427] R13: 00007ffe31dfdaa0 R14: 0000555556a84b00 R15: 00007ffe31dfdae0 [ 46.484333][ T427] ---[ end trace 5d19eefdfba7e7f8 ]--- [ 46.489830][ T427] ------------[ cut here ]------------ [ 46.495372][ T427] WARNING: CPU: 0 PID: 427 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 46.504305][ T427] Modules linked in: [ 46.507058][ C1] !!! css_killed_ref_fn css ffff88810e9b1000 !!! [ 46.508327][ T427] CPU: 0 PID: 427 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 46.514538][ C1] !!! css_killed_ref_fn css ffff88810e9b3800 !!! [ 46.526068][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.532382][ C1] ------------[ cut here ]------------ [ 46.542521][ T427] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 46.547945][ C1] percpu ref (css_release) <= 0 (-2) after switching to atomic [ 46.548014][ C1] WARNING: CPU: 1 PID: 0 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 46.553652][ T427] Code: 48 c7 c2 80 de c4 85 e8 42 e3 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 d3 71 a7 ff e9 28 fd ff ff [ 46.561172][ C1] Modules linked in: [ 46.571819][ T427] RSP: 0018:ffffc90000f27dd0 EFLAGS: 00010293 [ 46.591501][ C1] [ 46.595363][ T427] [ 46.601413][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 46.603720][ T427] RAX: ffffffff81af01fc RBX: ffff88810a7a2fe0 RCX: ffff888107a75b80 [ 46.606023][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.616973][ T427] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 46.624974][ C1] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 46.635005][ T427] RBP: ffffc90000f27e40 R08: ffffffff81aeff27 R09: fffff520001e4fb2 [ 46.642954][ C1] Code: 00 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ff e8 13 76 64 ff 49 8b 17 48 c7 c7 40 e2 02 85 48 89 de 31 c0 e8 9f c7 01 ff <0f> 0b e9 2d fd ff ff e8 d3 ea 2c ff 0f 0b e9 87 fe ff ff 48 c7 c1 [ 46.649860][ T427] R10: fffff520001e4fb2 R11: 1ffff920001e4fb1 R12: dffffc0000000000 [ 46.649872][ T427] R13: ffff88810a7a2f00 R14: 00000000fffffffd R15: 0000000000000000 [ 46.657832][ C1] RSP: 0018:ffffc90000150d50 EFLAGS: 00010246 [ 46.677421][ T427] FS: 0000555556a83400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 46.685533][ C1] [ 46.693493][ T427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.699560][ C1] RAX: 9e56686f19cc8900 RBX: ffffffff816104d0 RCX: ffff88810023bd00 [ 46.699577][ C1] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 [ 46.708590][ T427] CR2: 0000555556a8cb38 CR3: 000000011a98d000 CR4: 00000000003506b0 [ 46.710889][ C1] RBP: ffffc90000150d98 R08: ffffffff81514568 R09: fffff5200002a177 [ 46.717642][ T427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.725671][ C1] R10: fffff5200002a177 R11: 1ffff9200002a176 R12: ffff88810ed6b220 [ 46.733741][ T427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.733750][ T427] Call Trace: [ 46.741877][ C1] R13: 0000000000000008 R14: 1ffff11021dad640 R15: ffff88810ed6b200 [ 46.741883][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 46.741889][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.741900][ C1] CR2: 00007f23b9824718 CR3: 000000010d7dd000 CR4: 00000000003506a0 [ 46.749862][ T427] path_umount+0x1ad/0xed0 [ 46.757828][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.766076][ T427] __x64_sys_umount+0xe8/0x110 [ 46.774034][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.777304][ T427] do_syscall_64+0x34/0x70 [ 46.785417][ C1] Call Trace: [ 46.795643][ T427] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.802186][ C1] [ 46.802197][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 46.802210][ C1] rcu_do_batch+0x4ad/0xb00 [ 46.810253][ T427] RIP: 0033:0x7fdd38b31557 [ 46.814637][ C1] rcu_core+0x64a/0xdf0 [ 46.822600][ T427] 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 [ 46.827341][ C1] rcu_core_si+0x9/0x10 [ 46.835285][ T427] RSP: 002b:00007ffe31dfc918 EFLAGS: 00000246 [ 46.839688][ C1] __do_softirq+0x253/0x67b [ 46.843030][ T427] ORIG_RAX: 00000000000000a6 [ 46.849416][ C1] asm_call_irq_on_stack+0xf/0x20 [ 46.849420][ C1] [ 46.849427][ C1] do_softirq_own_stack+0x60/0x80 [ 46.849440][ C1] __irq_exit_rcu+0x152/0x1e0 [ 46.852263][ T427] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd38b31557 [ 46.858303][ C1] irq_exit_rcu+0x9/0x10 [ 46.858317][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 46.862785][ T427] RDX: 00007ffe31dfc9e9 RSI: 000000000000000a RDI: 00007ffe31dfc9e0 [ 46.867181][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 46.871303][ T427] RBP: 00007ffe31dfc9e0 R08: 00000000ffffffff R09: 00007ffe31dfc7b0 [ 46.891248][ C1] RIP: 0010:acpi_idle_do_entry+0xbb/0x1f0 [ 46.895377][ T427] R10: 0000555556a84ba3 R11: 0000000000000246 R12: 00007fdd38b891f8 [ 46.901428][ C1] Code: 89 de 48 83 e6 08 31 ff e8 62 51 0a fd 48 83 e3 08 0f 85 ae 00 00 00 e9 0c 00 00 00 e8 2e 4c 0a fd 0f 00 2d 17 35 ab 00 fb f4 e9 a1 00 00 00 49 83 c6 04 4c 89 f0 48 c1 e8 03 42 8a 04 38 84 [ 46.905898][ T427] R13: 00007ffe31dfdaa0 R14: 0000555556a84b00 R15: 00007ffe31dfdae0 [ 46.910549][ C1] RSP: 0018:ffffc900000e7d58 EFLAGS: 00000246 [ 46.915725][ T427] ---[ end trace 5d19eefdfba7e7f9 ]--- [ 46.919091][ C1] [ 46.919097][ C1] RAX: 1ffff110200477a0 RBX: 0000000000000000 RCX: 0000000000000000 [ 46.919108][ C1] RDX: ffff88810023bd00 RSI: 0000000000000000 RDI: 0000000000000000 [ 47.040447][ C1] RBP: ffffc900000e7d70 R08: ffffffff845ec28e R09: ffffed10200477a1 [ 47.048425][ C1] R10: ffffed10200477a1 R11: 1ffff110200477a0 R12: 0000000000000001 [ 47.056379][ C1] R13: ffff888105af5004 R14: ffff888101be4864 R15: dffffc0000000000 [ 47.064370][ C1] ? acpi_idle_do_entry+0x9e/0x1f0 [ 47.069488][ C1] ? acpi_idle_do_entry+0x9e/0x1f0 [ 47.074573][ C1] acpi_idle_enter+0x32d/0x4f0 [ 47.079335][ C1] ? rcu_dynticks_eqs_enter+0xa/0x40 [ 47.084614][ C1] cpuidle_enter_state+0x4c8/0x10d0 [ 47.089810][ C1] cpuidle_enter+0x5f/0xa0 [ 47.094215][ C1] do_idle+0x3a8/0x540 [ 47.098373][ C1] cpu_startup_entry+0x25/0x30 [ 47.103237][ C1] start_secondary+0xd7/0xe0 [ 47.107915][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 47.113808][ C1] ---[ end trace 5d19eefdfba7e7fa ]--- [ 47.119313][ C1] !!! css_killed_ref_fn css ffff88810e3dcc00 !!! [ 47.125876][ T389] !!! css_release css ffff88810e9b1000 !!! [ 47.131700][ T389] !!! css_put is zero set CSS_NO_REF css ffff88810e9b1000 !!! [ 47.139256][ T107] !!! css_release css ffff88810e9b3800 !!! [ 47.145050][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e9b3800 !!! [ 47.153030][ T516] FAULT_INJECTION: forcing a failure. [ 47.153030][ T516] name failslab, interval 1, probability 0, space 0, times 0 [ 47.165957][ T516] CPU: 0 PID: 516 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 47.177473][ T516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.187602][ T516] Call Trace: [ 47.190870][ T516] dump_stack+0x19c/0x1e2 [ 47.195168][ T516] should_fail+0x3f7/0x5b0 [ 47.199556][ T516] __should_failslab+0xd2/0x130 [ 47.204377][ T516] should_failslab+0x9/0x20 [ 47.208857][ T516] slab_pre_alloc_hook+0x25/0xe0 [ 47.213764][ T516] ? __kernfs_new_node+0x4c/0x6d0 [ 47.218849][ T516] __kmalloc_track_caller+0x70/0x300 [ 47.224156][ T516] ? __kernfs_new_node+0x4c/0x6d0 [ 47.229243][ T516] kstrdup_const+0x55/0x90 [ 47.233975][ T516] __kernfs_new_node+0x4c/0x6d0 [ 47.238793][ T516] ? string+0x29f/0x2b0 [ 47.242921][ T516] ? vsnprintf+0x1a6c/0x1b30 [ 47.247483][ T516] kernfs_new_node+0x97/0x170 [ 47.252388][ T516] __kernfs_create_file+0x4a/0x270 [ 47.257743][ T516] cgroup_addrm_files+0x99e/0xeb0 [ 47.262759][ T516] ? delete_node+0x747/0x7a0 [ 47.267614][ T516] css_populate_dir+0x137/0x370 [ 47.272463][ T516] cgroup_apply_control_enable+0x5cd/0xf70 [ 47.278262][ T516] cgroup_apply_control+0x36/0x710 [ 47.283472][ T516] ? init_wait_entry+0xe0/0xe0 [ 47.288426][ T516] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.294192][ T516] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.300146][ T516] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.306187][ T516] cgroup_file_write+0x22f/0x4f0 [ 47.311180][ T516] kernfs_fop_write_iter+0x2cd/0x410 [ 47.316432][ T516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.321519][ T516] vfs_write+0xb57/0xe50 [ 47.325730][ T516] ksys_write+0x157/0x260 [ 47.330042][ T516] __x64_sys_write+0x7b/0x90 [ 47.334599][ T516] do_syscall_64+0x34/0x70 [ 47.338990][ T516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.344853][ T516] RIP: 0033:0x7fa8ac13f0e9 [ 47.349246][ 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 [ 47.368917][ T516] RSP: 002b:00007fa8ac094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.377495][ T516] RAX: ffffffffffffffda RBX: 00007fa8ac252030 RCX: 00007fa8ac13f0e9 [ 47.385542][ T516] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.393513][ T516] RBP: 00007fa8ac0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.401909][ T516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 2022/05/27 21:31:10 executed programs: 27 [ 47.409946][ T516] R13: 00007fffaf83307f R14: 00007fa8ac094300 R15: 0000000000022000 [ 47.418172][ T516] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.457066][ C1] !!! css_killed_ref_fn css ffff88810eeb5000 !!! [ 47.464246][ C1] !!! css_killed_ref_fn css ffff88810eeb4000 !!! [ 47.470803][ C1] !!! css_killed_ref_fn css ffff88810eeb5800 !!! [ 47.477306][ T107] !!! css_release css ffff88810eeb5000 !!! [ 47.483374][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810eeb5000 !!! [ 47.491507][ T107] !!! css_release css ffff88810eeb4000 !!! [ 47.498064][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810eeb4000 !!! [ 47.505657][ T107] !!! css_release css ffff88810eeb5800 !!! [ 47.511813][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810eeb5800 !!! [ 47.519810][ T510] FAULT_INJECTION: forcing a failure. [ 47.519810][ T510] name failslab, interval 1, probability 0, space 0, times 0 [ 47.533409][ T510] CPU: 1 PID: 510 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 47.545386][ T510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.555426][ T510] Call Trace: [ 47.558699][ T510] dump_stack+0x19c/0x1e2 [ 47.563005][ T510] should_fail+0x3f7/0x5b0 [ 47.567506][ T510] __should_failslab+0xd2/0x130 [ 47.572342][ T510] should_failslab+0x9/0x20 [ 47.576926][ T510] slab_pre_alloc_hook+0x25/0xe0 [ 47.582028][ T510] ? __kernfs_new_node+0x4c/0x6d0 [ 47.587038][ T510] __kmalloc_track_caller+0x70/0x300 [ 47.592746][ T510] ? __kernfs_new_node+0x4c/0x6d0 [ 47.597848][ T510] kstrdup_const+0x55/0x90 [ 47.602256][ T510] __kernfs_new_node+0x4c/0x6d0 [ 47.607082][ T510] ? string+0x29f/0x2b0 [ 47.611209][ T510] ? vsnprintf+0x1a6c/0x1b30 [ 47.615777][ T510] kernfs_new_node+0x97/0x170 [ 47.620478][ T510] __kernfs_create_file+0x4a/0x270 [ 47.625650][ T510] cgroup_addrm_files+0x99e/0xeb0 [ 47.630739][ T510] ? delete_node+0x747/0x7a0 [ 47.635396][ T510] css_populate_dir+0x137/0x370 [ 47.640218][ T510] cgroup_apply_control_enable+0x5cd/0xf70 [ 47.646011][ T510] cgroup_apply_control+0x36/0x710 [ 47.651109][ T510] ? init_wait_entry+0xe0/0xe0 [ 47.656287][ T510] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.661543][ T510] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.667505][ T510] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.674325][ T510] cgroup_file_write+0x22f/0x4f0 [ 47.679331][ T510] kernfs_fop_write_iter+0x2cd/0x410 [ 47.684772][ T510] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.689982][ T510] vfs_write+0xb57/0xe50 [ 47.694477][ T510] ksys_write+0x157/0x260 [ 47.698872][ T510] __x64_sys_write+0x7b/0x90 [ 47.703440][ T510] do_syscall_64+0x34/0x70 [ 47.707832][ T510] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.713730][ T510] RIP: 0033:0x7f60e36f30e9 [ 47.718205][ T510] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.737797][ T510] RSP: 002b:00007f60e3648168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.746187][ T510] RAX: ffffffffffffffda RBX: 00007f60e3806030 RCX: 00007f60e36f30e9 [ 47.754136][ T510] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.762083][ T510] RBP: 00007f60e36481d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.770025][ T510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.777978][ T510] R13: 00007ffd107cf67f R14: 00007f60e3648300 R15: 0000000000022000 [ 47.786390][ T510] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.794629][ T420] ------------[ cut here ]------------ [ 47.800136][ T420] WARNING: CPU: 0 PID: 420 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 47.809063][ T420] Modules linked in: [ 47.812945][ T420] CPU: 0 PID: 420 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 47.824484][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.834564][ T420] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 47.840256][ T420] Code: 48 c7 c2 80 de c4 85 e8 42 e3 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 d3 71 a7 ff e9 28 fd ff ff [ 47.860030][ T420] RSP: 0018:ffffc90000cf7dd0 EFLAGS: 00010293 [ 47.866096][ T420] RAX: ffffffff81af01fc RBX: ffff88810a7a3460 RCX: ffff888108296ac0 [ 47.875675][ T420] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 47.883656][ T420] RBP: ffffc90000cf7e40 R08: ffffffff81aeff27 R09: fffff5200019efb2 [ 47.891750][ T420] R10: fffff5200019efb2 R11: 1ffff9200019efb1 R12: dffffc0000000000 [ 47.899803][ T420] R13: ffff88810a7a3380 R14: 00000000ffffffff R15: 0000000000000000 [ 47.907783][ T420] FS: 0000555555ca5400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 47.916720][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.923303][ T420] CR2: 00007ffd107cdff8 CR3: 0000000109311000 CR4: 00000000003506b0 [ 47.931297][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.939288][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.947260][ T420] Call Trace: [ 47.950534][ T420] path_umount+0x1ad/0xed0 [ 47.954920][ T420] __x64_sys_umount+0xe8/0x110 [ 47.959697][ T420] do_syscall_64+0x34/0x70 [ 47.964104][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.969994][ T420] RIP: 0033:0x7f60e36f4557 [ 47.974399][ T420] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.994018][ T420] RSP: 002b:00007ffd107ce7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 48.002531][ T420] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f60e36f4557 [ 48.010599][ T420] RDX: 00007ffd107ce8a9 RSI: 000000000000000a RDI: 00007ffd107ce8a0 [ 48.018618][ T420] RBP: 00007ffd107ce8a0 R08: 00000000ffffffff R09: 00007ffd107ce670 [ 48.026775][ T420] R10: 0000555555ca6ba3 R11: 0000000000000246 R12: 00007f60e374c1f8 [ 48.034781][ T420] R13: 00007ffd107cf960 R14: 0000555555ca6b00 R15: 00007ffd107cf9a0 [ 48.042760][ T420] ---[ end trace 5d19eefdfba7e7fb ]--- [ 48.048463][ T420] ------------[ cut here ]------------ [ 48.053923][ T420] WARNING: CPU: 0 PID: 420 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 48.062438][ T420] Modules linked in: [ 48.066329][ T420] CPU: 0 PID: 420 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 48.077890][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.087977][ T420] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 48.093153][ T420] Code: cb a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1e 02 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 0b 02 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 18 2e 20 86 80 e1 07 80 c1 03 38 c1 [ 48.112788][ T420] RSP: 0018:ffffc90000cf7e30 EFLAGS: 00010293 [ 48.118877][ T420] RAX: ffffffff81b00cc5 RBX: ffffe8ffffd4a004 RCX: ffff888108296ac0 [ 48.126824][ T420] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 48.134795][ T420] RBP: ffffc90000cf7e80 R08: ffffffff81b009a3 R09: fffff5200019efcd [ 48.142777][ T420] R10: fffff5200019efcd R11: 1ffff9200019efcc R12: ffff88810a7a33c8 [ 48.150757][ T420] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 48.158730][ T420] FS: 0000555555ca5400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.167665][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.174327][ T420] CR2: 00007ffd107cdff8 CR3: 0000000109311000 CR4: 00000000003506b0 [ 48.182320][ T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.190312][ T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.198327][ C0] !!! css_killed_ref_fn css ffff88810ecfb800 !!! [ 48.198354][ C0] !!! css_killed_ref_fn css ffff88810ecf9000 !!! [ 48.198363][ C0] !!! css_killed_ref_fn css ffff88810ecf8000 !!! [ 48.217459][ T382] !!! css_release css ffff88810ecfb800 !!! [ 48.217518][ T420] Call Trace: [ 48.223248][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810ecfb800 !!! [ 48.223454][ T73] !!! css_release css ffff88810ecf9000 !!! [ 48.226811][ T420] __cleanup_mnt+0x19/0x20 [ 48.234272][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810ecf9000 !!! [ 48.240565][ T420] task_work_run+0x147/0x1b0 [ 48.244904][ T73] !!! css_release css ffff88810ecf8000 !!! [ 48.252599][ T420] exit_to_user_mode_loop+0xc8/0xe0 [ 48.256924][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810ecf8000 !!! [ 48.257104][ T513] FAULT_INJECTION: forcing a failure. [ 48.257104][ T513] name failslab, interval 1, probability 0, space 0, times 0 [ 48.263064][ T420] syscall_exit_to_user_mode+0x77/0xa0 [ 48.268028][ T513] CPU: 0 PID: 513 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 48.275805][ T420] do_syscall_64+0x40/0x70 [ 48.288359][ T513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.288363][ T513] Call Trace: [ 48.288374][ T513] dump_stack+0x19c/0x1e2 [ 48.288384][ T513] should_fail+0x3f7/0x5b0 [ 48.288393][ T513] __should_failslab+0xd2/0x130 [ 48.288401][ T513] should_failslab+0x9/0x20 [ 48.288415][ T513] slab_pre_alloc_hook+0x25/0xe0 [ 48.294270][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.305533][ T513] kmem_cache_alloc_trace+0x47/0x2b0 [ 48.305542][ T513] ? pids_css_alloc+0x4e/0x120 [ 48.305551][ T513] pids_css_alloc+0x4e/0x120 [ 48.305565][ T513] cgroup_apply_control_enable+0x381/0xf70 [ 48.310200][ T420] RIP: 0033:0x7f60e36f4557 [ 48.320701][ T513] cgroup_apply_control+0x36/0x710 [ 48.320709][ T513] ? init_wait_entry+0xe0/0xe0 [ 48.320718][ T513] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.320732][ T513] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.324200][ T420] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.328291][ T513] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.328300][ T513] cgroup_file_write+0x22f/0x4f0 [ 48.328308][ T513] kernfs_fop_write_iter+0x2cd/0x410 [ 48.328321][ T513] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.332913][ T420] RSP: 002b:00007ffd107ce7d8 EFLAGS: 00000246 [ 48.337529][ T513] vfs_write+0xb57/0xe50 [ 48.337540][ T513] ksys_write+0x157/0x260 [ 48.337548][ T513] __x64_sys_write+0x7b/0x90 [ 48.337561][ T513] do_syscall_64+0x34/0x70 [ 48.342327][ T420] ORIG_RAX: 00000000000000a6 [ 48.347031][ T513] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.347039][ T513] RIP: 0033:0x7f94e348c0e9 [ 48.347048][ T513] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.347058][ T513] RSP: 002b:00007f94e33e1168 EFLAGS: 00000246 [ 48.353238][ T420] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f60e36f4557 [ 48.358281][ T513] ORIG_RAX: 0000000000000001 [ 48.358289][ T513] RAX: ffffffffffffffda RBX: 00007f94e359f030 RCX: 00007f94e348c0e9 [ 48.358295][ T513] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.358301][ T513] RBP: 00007f94e33e11d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.358307][ T513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.358319][ T513] R13: 00007fff3113e32f R14: 00007f94e33e1300 R15: 0000000000022000 [ 48.363371][ T420] RDX: 00007ffd107ce8a9 RSI: 000000000000000a RDI: 00007ffd107ce8a0 [ 48.566541][ T420] RBP: 00007ffd107ce8a0 R08: 00000000ffffffff R09: 00007ffd107ce670 [ 48.574818][ T420] R10: 0000555555ca6ba3 R11: 0000000000000246 R12: 00007f60e374c1f8 [ 48.582896][ T420] R13: 00007ffd107cf960 R14: 0000555555ca6b00 R15: 00007ffd107cf9a0 [ 48.590880][ T420] ---[ end trace 5d19eefdfba7e7fc ]--- [ 48.607173][ C0] !!! css_killed_ref_fn css ffff88810f034000 !!! [ 48.613512][ C0] !!! css_killed_ref_fn css ffff88810ef51c00 !!! [ 48.620253][ T73] !!! css_release css ffff88810f034000 !!! [ 48.626043][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810f034000 !!! [ 48.633934][ T5] !!! css_release css ffff88810ef51c00 !!! [ 48.639938][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810ef51c00 !!! [ 48.647925][ T528] FAULT_INJECTION: forcing a failure. [ 48.647925][ T528] name failslab, interval 1, probability 0, space 0, times 0 [ 48.660699][ T528] CPU: 0 PID: 528 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 48.672395][ T528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.682431][ T528] Call Trace: [ 48.685706][ T528] dump_stack+0x19c/0x1e2 [ 48.690008][ T528] should_fail+0x3f7/0x5b0 [ 48.694399][ T528] __should_failslab+0xd2/0x130 [ 48.699226][ T528] should_failslab+0x9/0x20 [ 48.703699][ T528] slab_pre_alloc_hook+0x25/0xe0 [ 48.708617][ T528] ? __kernfs_new_node+0x4c/0x6d0 [ 48.713673][ T528] __kmalloc_track_caller+0x70/0x300 [ 48.718940][ T528] ? __kernfs_new_node+0x4c/0x6d0 [ 48.723945][ T528] kstrdup_const+0x55/0x90 [ 48.728344][ T528] __kernfs_new_node+0x4c/0x6d0 [ 48.733174][ T528] ? string+0x29f/0x2b0 [ 48.737303][ T528] ? vsnprintf+0x1a6c/0x1b30 [ 48.741866][ T528] kernfs_new_node+0x97/0x170 [ 48.746514][ T528] __kernfs_create_file+0x4a/0x270 [ 48.751598][ T528] cgroup_addrm_files+0x99e/0xeb0 [ 48.756614][ T528] ? delete_node+0x747/0x7a0 [ 48.761190][ T528] css_populate_dir+0x137/0x370 [ 48.766033][ T528] cgroup_apply_control_enable+0x5cd/0xf70 [ 48.771825][ T528] cgroup_apply_control+0x36/0x710 [ 48.776924][ T528] ? init_wait_entry+0xe0/0xe0 [ 48.781686][ T528] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.786952][ T528] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.793001][ T528] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.799125][ T528] cgroup_file_write+0x22f/0x4f0 [ 48.804035][ T528] kernfs_fop_write_iter+0x2cd/0x410 [ 48.809308][ T528] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.814414][ T528] vfs_write+0xb57/0xe50 [ 48.818638][ T528] ksys_write+0x157/0x260 [ 48.822948][ T528] __x64_sys_write+0x7b/0x90 [ 48.827525][ T528] do_syscall_64+0x34/0x70 [ 48.831949][ T528] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.837930][ T528] RIP: 0033:0x7fdd38b300e9 [ 48.842323][ 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 [ 48.862275][ T528] RSP: 002b:00007fdd38a85168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.870761][ T528] RAX: ffffffffffffffda RBX: 00007fdd38c43030 RCX: 00007fdd38b300e9 [ 48.878709][ T528] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.886652][ T528] RBP: 00007fdd38a851d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.894598][ T528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.902543][ T528] R13: 00007ffe31dfd7bf R14: 00007fdd38a85300 R15: 0000000000022000 [ 48.911225][ T528] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.957076][ C0] !!! css_killed_ref_fn css ffff88810cd37000 !!! [ 48.963550][ C0] !!! css_killed_ref_fn css ffff88810efee800 !!! [ 48.970045][ C0] !!! css_killed_ref_fn css ffff88810efee400 !!! [ 48.976500][ T5] !!! css_release css ffff88810cd37000 !!! [ 48.982307][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810cd37000 !!! [ 48.989764][ T5] !!! css_release css ffff88810efee800 !!! [ 48.995546][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810efee800 !!! [ 49.003258][ T5] !!! css_release css ffff88810efee400 !!! [ 49.009144][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810efee400 !!! [ 49.016739][ T525] FAULT_INJECTION: forcing a failure. [ 49.016739][ T525] name failslab, interval 1, probability 0, space 0, times 0 [ 49.029533][ T525] CPU: 0 PID: 525 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 49.041175][ T525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.051204][ T525] Call Trace: [ 49.054492][ T525] dump_stack+0x19c/0x1e2 [ 49.058804][ T525] should_fail+0x3f7/0x5b0 [ 49.063200][ T525] __should_failslab+0xd2/0x130 [ 49.068022][ T525] should_failslab+0x9/0x20 [ 49.072496][ T525] slab_pre_alloc_hook+0x25/0xe0 [ 49.077403][ T525] ? __kernfs_new_node+0x4c/0x6d0 [ 49.082401][ T525] __kmalloc_track_caller+0x70/0x300 [ 49.087656][ T525] ? __kernfs_new_node+0x4c/0x6d0 [ 49.092655][ T525] kstrdup_const+0x55/0x90 [ 49.097056][ T525] __kernfs_new_node+0x4c/0x6d0 [ 49.101886][ T525] ? string+0x29f/0x2b0 [ 49.106097][ T525] ? vsnprintf+0x1a6c/0x1b30 [ 49.110692][ T525] kernfs_new_node+0x97/0x170 [ 49.115344][ T525] __kernfs_create_file+0x4a/0x270 [ 49.120446][ T525] cgroup_addrm_files+0x99e/0xeb0 [ 49.125614][ T525] ? delete_node+0x747/0x7a0 [ 49.130260][ T525] css_populate_dir+0x137/0x370 [ 49.135089][ T525] cgroup_apply_control_enable+0x5cd/0xf70 [ 49.140865][ T525] cgroup_apply_control+0x36/0x710 [ 49.145944][ T525] ? init_wait_entry+0xe0/0xe0 [ 49.150678][ T525] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.155935][ T525] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.161885][ T525] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.167838][ T525] cgroup_file_write+0x22f/0x4f0 [ 49.172751][ T525] kernfs_fop_write_iter+0x2cd/0x410 [ 49.178021][ T525] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.183101][ T525] vfs_write+0xb57/0xe50 [ 49.187401][ T525] ksys_write+0x157/0x260 [ 49.191747][ T525] __x64_sys_write+0x7b/0x90 [ 49.196306][ T525] do_syscall_64+0x34/0x70 [ 49.200696][ T525] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.206650][ T525] RIP: 0033:0x7f23b98cf0e9 [ 49.211058][ 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 [ 49.231091][ T525] RSP: 002b:00007f23b9824168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.239482][ T525] RAX: ffffffffffffffda RBX: 00007f23b99e2030 RCX: 00007f23b98cf0e9 [ 49.247448][ T525] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.255502][ T525] RBP: 00007f23b98241d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.263562][ T525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.271506][ T525] R13: 00007fff685ba4ef R14: 00007f23b9824300 R15: 0000000000022000 [ 49.279686][ T525] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.327076][ C1] !!! css_killed_ref_fn css ffff88810ef25800 !!! [ 49.333556][ C1] !!! css_killed_ref_fn css ffff88810ef24c00 !!! [ 49.339903][ C1] !!! css_killed_ref_fn css ffff88810ef26000 !!! [ 49.346309][ T107] !!! css_release css ffff88810ef25800 !!! [ 49.352323][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810ef25800 !!! [ 49.360112][ T107] !!! css_release css ffff88810ef24c00 !!! [ 49.365994][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810ef24c00 !!! [ 49.373684][ T107] !!! css_release css ffff88810ef26000 !!! [ 49.379914][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810ef26000 !!! [ 49.387722][ T536] FAULT_INJECTION: forcing a failure. [ 49.387722][ T536] name failslab, interval 1, probability 0, space 0, times 0 [ 49.400545][ T536] CPU: 1 PID: 536 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 49.412611][ T536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.422756][ T536] Call Trace: [ 49.426048][ T536] dump_stack+0x19c/0x1e2 [ 49.430389][ T536] should_fail+0x3f7/0x5b0 [ 49.434800][ T536] __should_failslab+0xd2/0x130 [ 49.440165][ T536] should_failslab+0x9/0x20 [ 49.444750][ T536] slab_pre_alloc_hook+0x25/0xe0 [ 49.449701][ T536] kmem_cache_alloc_trace+0x47/0x2b0 [ 49.454979][ T536] ? percpu_ref_init+0xd0/0x330 [ 49.459909][ T536] percpu_ref_init+0xd0/0x330 [ 49.464577][ T536] ? cgroup_setup_root+0x8a0/0x8a0 [ 49.469668][ T536] cgroup_apply_control_enable+0x3d2/0xf70 [ 49.475455][ T536] cgroup_apply_control+0x36/0x710 [ 49.480661][ T536] ? init_wait_entry+0xe0/0xe0 [ 49.485720][ T536] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.490983][ T536] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.497029][ T536] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.502991][ T536] cgroup_file_write+0x22f/0x4f0 [ 49.507918][ T536] kernfs_fop_write_iter+0x2cd/0x410 [ 49.513974][ T536] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.519158][ T536] vfs_write+0xb57/0xe50 [ 49.523377][ T536] ksys_write+0x157/0x260 [ 49.527699][ T536] __x64_sys_write+0x7b/0x90 [ 49.532615][ T536] do_syscall_64+0x34/0x70 [ 49.537004][ T536] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.542874][ T536] RIP: 0033:0x7f94e348c0e9 [ 49.547277][ T536] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.567351][ T536] RSP: 002b:00007f94e33e1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.575830][ T536] RAX: ffffffffffffffda RBX: 00007f94e359f030 RCX: 00007f94e348c0e9 [ 49.583795][ T536] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.592713][ T536] RBP: 00007f94e33e11d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.600672][ T536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.608803][ T536] R13: 00007fff3113e32f R14: 00007f94e33e1300 R15: 0000000000022000 [ 49.673853][ C1] !!! css_killed_ref_fn css ffff88810f2dcc00 !!! [ 49.680582][ C1] !!! css_killed_ref_fn css ffff88810f2de000 !!! [ 49.687280][ T107] !!! css_release css ffff88810f2dcc00 !!! [ 49.693351][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f2dcc00 !!! [ 49.701274][ T107] !!! css_release css ffff88810f2de000 !!! [ 49.707446][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f2de000 !!! [ 49.715119][ T545] FAULT_INJECTION: forcing a failure. [ 49.715119][ T545] name failslab, interval 1, probability 0, space 0, times 0 [ 49.728226][ T545] CPU: 0 PID: 545 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 49.739919][ T545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.750479][ T545] Call Trace: [ 49.753758][ T545] dump_stack+0x19c/0x1e2 [ 49.758068][ T545] should_fail+0x3f7/0x5b0 [ 49.762719][ T545] __should_failslab+0xd2/0x130 [ 49.767578][ T545] should_failslab+0x9/0x20 [ 49.772083][ T545] slab_pre_alloc_hook+0x25/0xe0 [ 49.776998][ T545] ? __kernfs_new_node+0x4c/0x6d0 [ 49.781994][ T545] __kmalloc_track_caller+0x70/0x300 [ 49.787255][ T545] ? __kernfs_new_node+0x4c/0x6d0 [ 49.792258][ T545] kstrdup_const+0x55/0x90 [ 49.796644][ T545] __kernfs_new_node+0x4c/0x6d0 [ 49.801486][ T545] ? string+0x29f/0x2b0 [ 49.805618][ T545] ? vsnprintf+0x1a6c/0x1b30 [ 49.810188][ T545] kernfs_new_node+0x97/0x170 [ 49.814852][ T545] __kernfs_create_file+0x4a/0x270 [ 49.820027][ T545] cgroup_addrm_files+0x99e/0xeb0 [ 49.825021][ T545] ? delete_node+0x747/0x7a0 [ 49.829586][ T545] css_populate_dir+0x137/0x370 [ 49.834412][ T545] cgroup_apply_control_enable+0x5cd/0xf70 [ 49.840196][ T545] cgroup_apply_control+0x36/0x710 [ 49.845282][ T545] ? init_wait_entry+0xe0/0xe0 [ 49.850026][ T545] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.855281][ T545] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.861231][ T545] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.867179][ T545] cgroup_file_write+0x22f/0x4f0 [ 49.872092][ T545] kernfs_fop_write_iter+0x2cd/0x410 [ 49.877437][ T545] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.882525][ T545] vfs_write+0xb57/0xe50 [ 49.886738][ T545] ksys_write+0x157/0x260 [ 49.891044][ T545] __x64_sys_write+0x7b/0x90 [ 49.895722][ T545] do_syscall_64+0x34/0x70 [ 49.900119][ T545] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.905999][ T545] RIP: 0033:0x7f94e348c0e9 [ 49.910482][ T545] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.930070][ T545] RSP: 002b:00007f94e33e1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.938483][ T545] RAX: ffffffffffffffda RBX: 00007f94e359f030 RCX: 00007f94e348c0e9 [ 49.946436][ T545] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.954385][ T545] RBP: 00007f94e33e11d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.962424][ T545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.970368][ T545] R13: 00007fff3113e32f R14: 00007f94e33e1300 R15: 0000000000022000 [ 49.979432][ T545] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.989535][ T422] ------------[ cut here ]------------ [ 49.995019][ T422] WARNING: CPU: 0 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 50.003970][ T422] Modules linked in: [ 50.007945][ C0] !!! css_killed_ref_fn css ffff88810dfe1000 !!! [ 50.014309][ T422] CPU: 0 PID: 422 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 50.025860][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.035978][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 50.041733][ T422] Code: 48 c7 c2 80 de c4 85 e8 42 e3 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 d3 71 a7 ff e9 28 fd ff ff [ 50.061433][ T422] RSP: 0018:ffffc90000d17d58 EFLAGS: 00010293 [ 50.067504][ T422] RAX: ffffffff81af01fc RBX: ffff88810a7a2ce0 RCX: ffff888108290000 [ 50.075458][ T422] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 50.083626][ T422] RBP: ffffc90000d17dc8 R08: ffffffff81aeff27 R09: fffff520001a2fa3 [ 50.091606][ T422] R10: fffff520001a2fa3 R11: 1ffff920001a2fa2 R12: dffffc0000000000 [ 50.099756][ T422] R13: ffff88810a7a2c00 R14: 00000000ffffffff R15: 0000000000000000 [ 50.107740][ T422] FS: 00005555559cf400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 50.116652][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.123229][ T422] CR2: 00007fff3113cd48 CR3: 0000000109303000 CR4: 00000000003506b0 [ 50.131211][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.139373][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.147345][ T422] Call Trace: [ 50.150613][ T422] ? init_wait_entry+0xe0/0xe0 [ 50.155352][ T422] ? up_write+0x68/0x140 [ 50.159588][ T422] namespace_unlock+0x377/0x420 [ 50.164432][ T422] path_umount+0xe23/0xed0 [ 50.168845][ T422] __x64_sys_umount+0xe8/0x110 [ 50.173619][ T422] do_syscall_64+0x34/0x70 [ 50.178049][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.184033][ T422] RIP: 0033:0x7f94e348d557 [ 50.188452][ T422] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.208242][ T422] RSP: 002b:00007fff3113d488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 50.216641][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f94e348d557 [ 50.224635][ T422] RDX: 00007fff3113d559 RSI: 000000000000000a RDI: 00007fff3113d550 [ 50.232624][ T422] RBP: 00007fff3113d550 R08: 00000000ffffffff R09: 00007fff3113d320 [ 50.240614][ T422] R10: 00005555559d0ba3 R11: 0000000000000246 R12: 00007f94e34e51f8 [ 50.248587][ T422] R13: 00007fff3113e610 R14: 00005555559d0b00 R15: 00007fff3113e650 [ 50.256681][ T422] ---[ end trace 5d19eefdfba7e7fd ]--- [ 50.262215][ T382] !!! css_release css ffff88810dfe1000 !!! [ 50.262412][ T422] ------------[ cut here ]------------ [ 50.268074][ C0] !!! css_killed_ref_fn css ffff88810dfe0000 !!! [ 50.273524][ T422] WARNING: CPU: 1 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 50.279838][ C0] !!! css_killed_ref_fn css ffff88810dfe1800 !!! [ 50.279878][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810dfe1000 !!! [ 50.289122][ T422] Modules linked in: [ 50.295394][ T5] !!! css_release css ffff88810dfe0000 !!! [ 50.302835][ T422] [ 50.306740][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810dfe0000 !!! [ 50.312509][ T422] CPU: 1 PID: 422 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 50.314986][ T542] FAULT_INJECTION: forcing a failure. [ 50.314986][ T542] name failslab, interval 1, probability 0, space 0, times 0 [ 50.322228][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.322242][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 50.322251][ T422] Code: 48 c7 c2 80 de c4 85 e8 42 e3 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 d3 71 a7 ff e9 28 fd ff ff [ 50.322257][ T422] RSP: 0018:ffffc90000d17dd0 EFLAGS: 00010293 [ 50.322268][ T422] RAX: ffffffff81af01fc RBX: ffff88810a7a2ce0 RCX: ffff888108290000 [ 50.322274][ T422] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 50.322280][ T422] RBP: ffffc90000d17e40 R08: ffffffff81aeff27 R09: fffff520001a2fb2 [ 50.322293][ T422] R10: fffff520001a2fb2 R11: 1ffff920001a2fb1 R12: dffffc0000000000 [ 50.334220][ T542] CPU: 0 PID: 542 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 50.346436][ T422] R13: ffff88810a7a2c00 R14: 00000000fffffffe R15: 0000000000000000 [ 50.356391][ T542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.356395][ T542] Call Trace: [ 50.356413][ T542] dump_stack+0x19c/0x1e2 [ 50.362023][ T422] FS: 00005555559cf400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 50.382389][ T542] should_fail+0x3f7/0x5b0 [ 50.382402][ T542] __should_failslab+0xd2/0x130 [ 50.388439][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.396384][ T542] should_failslab+0x9/0x20 [ 50.404330][ T422] CR2: 00007f23b99e2028 CR3: 0000000109303000 CR4: 00000000003506a0 [ 50.412268][ T542] slab_pre_alloc_hook+0x25/0xe0 [ 50.412281][ T542] kmem_cache_alloc_trace+0x47/0x2b0 [ 50.420467][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.432320][ T542] ? percpu_ref_init+0xd0/0x330 [ 50.432330][ T542] percpu_ref_init+0xd0/0x330 [ 50.432347][ T542] ? cgroup_setup_root+0x8a0/0x8a0 [ 50.440301][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.450323][ T542] cgroup_apply_control_enable+0x3d2/0xf70 [ 50.450337][ T542] cgroup_apply_control+0x36/0x710 [ 50.453590][ T422] Call Trace: [ 50.457886][ T542] ? init_wait_entry+0xe0/0xe0 [ 50.457900][ T542] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.466834][ T422] path_umount+0x1ad/0xed0 [ 50.471217][ T542] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.471232][ T542] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.476049][ T422] __x64_sys_umount+0xe8/0x110 [ 50.482607][ T542] cgroup_file_write+0x22f/0x4f0 [ 50.482622][ T542] kernfs_fop_write_iter+0x2cd/0x410 [ 50.487100][ T422] do_syscall_64+0x34/0x70 [ 50.495037][ T542] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.499956][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.505292][ T542] vfs_write+0xb57/0xe50 [ 50.513240][ T422] RIP: 0033:0x7f94e348d557 [ 50.518140][ T542] ksys_write+0x157/0x260 [ 50.518152][ T542] __x64_sys_write+0x7b/0x90 [ 50.522930][ T422] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.528098][ T542] do_syscall_64+0x34/0x70 [ 50.528113][ T542] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.536153][ T422] RSP: 002b:00007fff3113d488 EFLAGS: 00000246 [ 50.542365][ T542] RIP: 0033:0x7f23b98cf0e9 [ 50.542374][ T542] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.542385][ T542] RSP: 002b:00007f23b9824168 EFLAGS: 00000246 [ 50.547474][ T422] ORIG_RAX: 00000000000000a6 [ 50.550833][ T542] ORIG_RAX: 0000000000000001 [ 50.555569][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f94e348d557 [ 50.560817][ T542] RAX: ffffffffffffffda RBX: 00007f23b99e2030 RCX: 00007f23b98cf0e9 [ 50.560823][ T542] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.560833][ T542] RBP: 00007f23b98241d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.565313][ T422] RDX: 00007fff3113d559 RSI: 000000000000000a RDI: 00007fff3113d550 [ 50.571261][ T542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.571267][ T542] R13: 00007fff685ba4ef R14: 00007f23b9824300 R15: 0000000000022000 [ 50.761199][ T422] RBP: 00007fff3113d550 R08: 00000000ffffffff R09: 00007fff3113d320 [ 50.769167][ T422] R10: 00005555559d0ba3 R11: 0000000000000246 R12: 00007f94e34e51f8 [ 50.777134][ T422] R13: 00007fff3113e610 R14: 00005555559d0b00 R15: 00007fff3113e650 [ 50.785352][ T422] ---[ end trace 5d19eefdfba7e7fe ]--- [ 50.817080][ C0] !!! css_killed_ref_fn css ffff88810dfe7000 !!! [ 50.823443][ C0] !!! css_killed_ref_fn css ffff88810dfe5400 !!! [ 50.829820][ T382] !!! css_release css ffff88810dfe7000 !!! [ 50.835602][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810dfe7000 !!! [ 50.843303][ T382] !!! css_release css ffff88810dfe5400 !!! [ 50.849572][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810dfe5400 !!! [ 50.857785][ T550] FAULT_INJECTION: forcing a failure. [ 50.857785][ T550] name failslab, interval 1, probability 0, space 0, times 0 [ 50.870563][ T550] CPU: 0 PID: 550 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 50.882078][ T550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.892110][ T550] Call Trace: [ 50.895385][ T550] dump_stack+0x19c/0x1e2 [ 50.899688][ T550] should_fail+0x3f7/0x5b0 [ 50.904186][ T550] __should_failslab+0xd2/0x130 [ 50.909020][ T550] should_failslab+0x9/0x20 [ 50.913502][ T550] slab_pre_alloc_hook+0x25/0xe0 [ 50.918429][ T550] kmem_cache_alloc_trace+0x47/0x2b0 [ 50.923682][ T550] ? percpu_ref_init+0xd0/0x330 [ 50.928589][ T550] percpu_ref_init+0xd0/0x330 [ 50.933248][ T550] ? cgroup_setup_root+0x8a0/0x8a0 [ 50.938329][ T550] cgroup_apply_control_enable+0x3d2/0xf70 [ 50.944105][ T550] cgroup_apply_control+0x36/0x710 [ 50.949189][ T550] ? init_wait_entry+0xe0/0xe0 [ 50.954008][ T550] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.959263][ T550] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.965216][ T550] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.971345][ T550] cgroup_file_write+0x22f/0x4f0 [ 50.976256][ T550] kernfs_fop_write_iter+0x2cd/0x410 [ 50.981530][ T550] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.986707][ T550] vfs_write+0xb57/0xe50 [ 50.990921][ T550] ksys_write+0x157/0x260 [ 50.995228][ T550] __x64_sys_write+0x7b/0x90 [ 50.999790][ T550] do_syscall_64+0x34/0x70 [ 51.004270][ T550] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.010218][ T550] RIP: 0033:0x7f94e348c0e9 [ 51.014837][ T550] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.034416][ T550] RSP: 002b:00007f94e33e1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.042806][ T550] RAX: ffffffffffffffda RBX: 00007f94e359f030 RCX: 00007f94e348c0e9 [ 51.050756][ T550] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.058706][ T550] RBP: 00007f94e33e11d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.066648][ T550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.074593][ T550] R13: 00007fff3113e32f R14: 00007f94e33e1300 R15: 0000000000022000 [ 51.117090][ C1] !!! css_killed_ref_fn css ffff88810f450400 !!! [ 51.123557][ C1] !!! css_killed_ref_fn css ffff88810f450800 !!! [ 51.130188][ T107] !!! css_release css ffff88810f450400 !!! [ 51.135975][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f450400 !!! [ 51.143686][ T107] !!! css_release css ffff88810f450800 !!! [ 51.149517][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f450800 !!! [ 51.157142][ T519] FAULT_INJECTION: forcing a failure. [ 51.157142][ T519] name failslab, interval 1, probability 0, space 0, times 0 [ 51.170661][ T519] CPU: 1 PID: 519 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 51.182189][ T519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.192308][ T519] Call Trace: [ 51.195603][ T519] dump_stack+0x19c/0x1e2 [ 51.199908][ T519] should_fail+0x3f7/0x5b0 [ 51.204310][ T519] __should_failslab+0xd2/0x130 [ 51.209143][ T519] should_failslab+0x9/0x20 [ 51.213629][ T519] slab_pre_alloc_hook+0x25/0xe0 [ 51.218540][ T519] ? __kernfs_new_node+0x4c/0x6d0 [ 51.223550][ T519] __kmalloc_track_caller+0x70/0x300 [ 51.228817][ T519] ? __kernfs_new_node+0x4c/0x6d0 [ 51.233818][ T519] kstrdup_const+0x55/0x90 [ 51.238232][ T519] __kernfs_new_node+0x4c/0x6d0 [ 51.243065][ T519] ? string+0x29f/0x2b0 [ 51.247195][ T519] ? vsnprintf+0x1a6c/0x1b30 [ 51.251760][ T519] kernfs_new_node+0x97/0x170 [ 51.256510][ T519] __kernfs_create_file+0x4a/0x270 [ 51.261594][ T519] cgroup_addrm_files+0x99e/0xeb0 [ 51.266596][ T519] ? delete_node+0x747/0x7a0 [ 51.271157][ T519] css_populate_dir+0x137/0x370 [ 51.276017][ T519] cgroup_apply_control_enable+0x5cd/0xf70 [ 51.281805][ T519] cgroup_apply_control+0x36/0x710 [ 51.286886][ T519] ? init_wait_entry+0xe0/0xe0 [ 51.291634][ T519] ? cgroup_kn_lock_live+0x1af/0x370 [ 51.296891][ T519] cgroup_subtree_control_write+0xd05/0x12d0 [ 51.302848][ T519] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 51.308802][ T519] cgroup_file_write+0x22f/0x4f0 [ 51.313713][ T519] kernfs_fop_write_iter+0x2cd/0x410 [ 51.318968][ T519] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.324050][ T519] vfs_write+0xb57/0xe50 [ 51.328351][ T519] ksys_write+0x157/0x260 [ 51.332653][ T519] __x64_sys_write+0x7b/0x90 [ 51.337224][ T519] do_syscall_64+0x34/0x70 [ 51.341611][ T519] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.347731][ T519] RIP: 0033:0x7f3d4e2e20e9 [ 51.352119][ T519] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.371699][ T519] RSP: 002b:00007f3d4e237168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.380698][ T519] RAX: ffffffffffffffda RBX: 00007f3d4e3f5030 RCX: 00007f3d4e2e20e9 [ 51.388643][ T519] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.396590][ T519] RBP: 00007f3d4e2371d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.404542][ T519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.412497][ T519] R13: 00007fff5f1003cf R14: 00007f3d4e237300 R15: 0000000000022000 [ 51.420526][ T519] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.429136][ T429] ------------[ cut here ]------------ [ 51.434609][ T429] WARNING: CPU: 1 PID: 429 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 51.443556][ T429] Modules linked in: [ 51.447563][ T429] CPU: 1 PID: 429 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 51.459095][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.469159][ T429] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 51.474778][ T429] Code: 48 c7 c2 80 de c4 85 e8 42 e3 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 d3 71 a7 ff e9 28 fd ff ff [ 51.494466][ T429] RSP: 0018:ffffc90000f47d58 EFLAGS: 00010293 [ 51.500525][ T429] RAX: ffffffff81af01fc RBX: ffff88810c5e3d60 RCX: ffff888107a73d00 [ 51.508602][ T429] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 51.516553][ T429] RBP: ffffc90000f47dc8 R08: ffffffff81aeff27 R09: fffff520001e8fa3 [ 51.524527][ T429] R10: fffff520001e8fa3 R11: 1ffff920001e8fa2 R12: dffffc0000000000 [ 51.532779][ T429] R13: ffff88810c5e3c80 R14: 00000000ffffffff R15: 0000000000000000 [ 51.540781][ T429] FS: 0000555556b22400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 51.549706][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.556277][ T429] CR2: 00007fff3113e568 CR3: 000000011b412000 CR4: 00000000003506a0 [ 51.564435][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.572425][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.580601][ T429] Call Trace: [ 51.583896][ T429] ? init_wait_entry+0xe0/0xe0 [ 51.588679][ T429] ? up_write+0x68/0x140 [ 51.592934][ T429] namespace_unlock+0x377/0x420 [ 51.597782][ T429] path_umount+0xe23/0xed0 [ 51.602183][ T429] __x64_sys_umount+0xe8/0x110 [ 51.606927][ T429] do_syscall_64+0x34/0x70 [ 51.611341][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.617225][ T429] RIP: 0033:0x7f3d4e2e3557 [ 51.621620][ T429] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.641616][ T429] RSP: 002b:00007fff5f0ff528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 51.650466][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d4e2e3557 [ 51.659033][ T429] RDX: 00007fff5f0ff5f9 RSI: 000000000000000a RDI: 00007fff5f0ff5f0 [ 51.666988][ T429] RBP: 00007fff5f0ff5f0 R08: 00000000ffffffff R09: 00007fff5f0ff3c0 [ 51.674963][ T429] R10: 0000555556b23ba3 R11: 0000000000000246 R12: 00007f3d4e33b1f8 [ 51.682923][ T429] R13: 00007fff5f1006b0 R14: 0000555556b23b00 R15: 00007fff5f1006f0 [ 51.690887][ T429] ---[ end trace 5d19eefdfba7e7ff ]--- [ 51.696381][ T429] ------------[ cut here ]------------ [ 51.701943][ T429] WARNING: CPU: 1 PID: 429 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 51.710883][ T429] Modules linked in: [ 51.714957][ T429] CPU: 1 PID: 429 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 51.726477][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.736571][ T429] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 51.742362][ T429] Code: 48 c7 c2 80 de c4 85 e8 42 e3 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 d3 71 a7 ff e9 28 fd ff ff [ 51.762053][ T429] RSP: 0018:ffffc90000f47dd0 EFLAGS: 00010293 [ 51.768282][ T429] RAX: ffffffff81af01fc RBX: ffff88810c5e3d60 RCX: ffff888107a73d00 [ 51.776663][ T429] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 51.784707][ T429] RBP: ffffc90000f47e40 R08: ffffffff81aeff27 R09: fffff520001e8fb2 [ 51.792666][ T429] R10: fffff520001e8fb2 R11: 1ffff920001e8fb1 R12: dffffc0000000000 [ 51.800628][ T429] R13: ffff88810c5e3c80 R14: 00000000fffffffe R15: 0000000000000000 [ 51.809464][ T429] FS: 0000555556b22400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 51.818490][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.825060][ T429] CR2: 00007fff3113e568 CR3: 000000011b412000 CR4: 00000000003506a0 [ 51.833032][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.841167][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.849310][ T429] Call Trace: [ 51.852578][ T429] path_umount+0x1ad/0xed0 [ 51.856972][ T429] __x64_sys_umount+0xe8/0x110 [ 51.861731][ T429] do_syscall_64+0x34/0x70 [ 51.866139][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.872015][ T429] RIP: 0033:0x7f3d4e2e3557 [ 51.876407][ T429] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.896175][ T429] RSP: 002b:00007fff5f0ff528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 51.904582][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d4e2e3557 [ 51.913226][ T429] RDX: 00007fff5f0ff5f9 RSI: 000000000000000a RDI: 00007fff5f0ff5f0 [ 51.921305][ T429] RBP: 00007fff5f0ff5f0 R08: 00000000ffffffff R09: 00007fff5f0ff3c0 [ 51.929377][ T429] R10: 0000555556b23ba3 R11: 0000000000000246 R12: 00007f3d4e33b1f8 [ 51.937342][ T429] R13: 00007fff5f1006b0 R14: 0000555556b23b00 R15: 00007fff5f1006f0 [ 51.945466][ T429] ---[ end trace 5d19eefdfba7e800 ]--- [ 51.957058][ C1] !!! css_killed_ref_fn css ffff88810f11fc00 !!! [ 51.963412][ C1] !!! css_killed_ref_fn css ffff88810f11ec00 !!! [ 51.969762][ C1] !!! css_killed_ref_fn css ffff88810f11f400 !!! [ 51.976144][ T107] !!! css_release css ffff88810f11fc00 !!! [ 51.981955][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f11fc00 !!! [ 51.989747][ T107] !!! css_release css ffff88810f11ec00 !!! [ 51.995536][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f11ec00 !!! [ 52.003093][ T107] !!! css_release css ffff88810f11f400 !!! [ 52.009186][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810f11f400 !!! [ 52.016780][ T551] FAULT_INJECTION: forcing a failure. [ 52.016780][ T551] name failslab, interval 1, probability 0, space 0, times 0 [ 52.029504][ T551] CPU: 1 PID: 551 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 52.041030][ T551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.051063][ T551] Call Trace: [ 52.054415][ T551] dump_stack+0x19c/0x1e2 [ 52.058724][ T551] should_fail+0x3f7/0x5b0 [ 52.063402][ T551] __should_failslab+0xd2/0x130 [ 52.068237][ T551] should_failslab+0x9/0x20 [ 52.072716][ T551] slab_pre_alloc_hook+0x25/0xe0 [ 52.077714][ T551] ? __kernfs_new_node+0x4c/0x6d0 [ 52.082793][ T551] __kmalloc_track_caller+0x70/0x300 [ 52.088046][ T551] ? __kernfs_new_node+0x4c/0x6d0 [ 52.093040][ T551] kstrdup_const+0x55/0x90 [ 52.097427][ T551] __kernfs_new_node+0x4c/0x6d0 [ 52.102245][ T551] ? string+0x29f/0x2b0 [ 52.106456][ T551] ? vsnprintf+0x1a6c/0x1b30 [ 52.111017][ T551] kernfs_new_node+0x97/0x170 [ 52.115664][ T551] __kernfs_create_file+0x4a/0x270 [ 52.121304][ T551] cgroup_addrm_files+0x99e/0xeb0 [ 52.126307][ T551] ? delete_node+0x747/0x7a0 [ 52.130887][ T551] css_populate_dir+0x137/0x370 [ 52.135813][ T551] cgroup_apply_control_enable+0x5cd/0xf70 [ 52.141599][ T551] cgroup_apply_control+0x36/0x710 [ 52.146710][ T551] ? init_wait_entry+0xe0/0xe0 [ 52.151542][ T551] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.156817][ T551] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.162782][ T551] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.168744][ T551] cgroup_file_write+0x22f/0x4f0 [ 52.173771][ T551] kernfs_fop_write_iter+0x2cd/0x410 [ 52.179125][ T551] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.184212][ T551] vfs_write+0xb57/0xe50 [ 52.188516][ T551] ksys_write+0x157/0x260 [ 52.192843][ T551] __x64_sys_write+0x7b/0x90 [ 52.197409][ T551] do_syscall_64+0x34/0x70 [ 52.201896][ T551] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.207850][ T551] RIP: 0033:0x7f23b98cf0e9 [ 52.212240][ T551] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.232887][ T551] RSP: 002b:00007f23b9824168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.241291][ T551] RAX: ffffffffffffffda RBX: 00007f23b99e2030 RCX: 00007f23b98cf0e9 [ 52.249508][ T551] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.257452][ T551] RBP: 00007f23b98241d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.265506][ T551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.273546][ T551] R13: 00007fff685ba4ef R14: 00007f23b9824300 R15: 0000000000022000 [ 52.282051][ T551] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.327084][ C0] !!! css_killed_ref_fn css ffff88810f849800 !!! [ 52.333465][ C0] !!! css_killed_ref_fn css ffff88810f848c00 !!! [ 52.339811][ C0] !!! css_killed_ref_fn css ffff88810f84a000 !!! [ 52.346378][ T382] !!! css_release css ffff88810f849800 !!! [ 52.352204][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f849800 !!! [ 52.359897][ T382] !!! css_release css ffff88810f848c00 !!! [ 52.365688][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f848c00 !!! [ 52.373526][ T382] !!! css_release css ffff88810f84a000 !!! [ 52.379356][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f84a000 !!! [ 52.387027][ T539] FAULT_INJECTION: forcing a failure. [ 52.387027][ T539] name failslab, interval 1, probability 0, space 0, times 0 [ 52.399701][ T539] CPU: 1 PID: 539 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 52.411317][ T539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.421439][ T539] Call Trace: [ 52.424703][ T539] dump_stack+0x19c/0x1e2 [ 52.429000][ T539] should_fail+0x3f7/0x5b0 [ 52.433386][ T539] __should_failslab+0xd2/0x130 [ 52.438204][ T539] should_failslab+0x9/0x20 [ 52.442766][ T539] slab_pre_alloc_hook+0x25/0xe0 [ 52.447682][ T539] kmem_cache_alloc_trace+0x47/0x2b0 [ 52.453041][ T539] ? percpu_ref_init+0xd0/0x330 [ 52.457878][ T539] percpu_ref_init+0xd0/0x330 [ 52.462550][ T539] ? cgroup_setup_root+0x8a0/0x8a0 [ 52.467642][ T539] cgroup_apply_control_enable+0x3d2/0xf70 [ 52.473527][ T539] cgroup_apply_control+0x36/0x710 [ 52.478623][ T539] ? init_wait_entry+0xe0/0xe0 [ 52.483359][ T539] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.488646][ T539] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.494592][ T539] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.500538][ T539] cgroup_file_write+0x22f/0x4f0 [ 52.505548][ T539] kernfs_fop_write_iter+0x2cd/0x410 [ 52.510856][ T539] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.516041][ T539] vfs_write+0xb57/0xe50 [ 52.520264][ T539] ksys_write+0x157/0x260 [ 52.525106][ T539] __x64_sys_write+0x7b/0x90 [ 52.529868][ T539] do_syscall_64+0x34/0x70 [ 52.534294][ T539] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.540248][ T539] RIP: 0033:0x7fdd38b300e9 [ 52.544650][ T539] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.564310][ T539] RSP: 002b:00007fdd38a85168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 2022/05/27 21:31:16 executed programs: 38 [ 52.572783][ T539] RAX: ffffffffffffffda RBX: 00007fdd38c43030 RCX: 00007fdd38b300e9 [ 52.580731][ T539] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.588847][ T539] RBP: 00007fdd38a851d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.596878][ T539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.604825][ T539] R13: 00007ffe31dfd7bf R14: 00007fdd38a85300 R15: 0000000000022000 [ 52.647079][ C0] !!! css_killed_ref_fn css ffff88810f848400 !!! [ 52.653454][ C0] !!! css_killed_ref_fn css ffff88810f848800 !!! [ 52.659872][ T382] !!! css_release css ffff88810f848400 !!! [ 52.665675][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f848400 !!! [ 52.673379][ T382] !!! css_release css ffff88810f848800 !!! [ 52.679350][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f848800 !!! [ 52.687010][ T531] FAULT_INJECTION: forcing a failure. [ 52.687010][ T531] name failslab, interval 1, probability 0, space 0, times 0 [ 52.699851][ T531] CPU: 1 PID: 531 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 52.711398][ T531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.721563][ T531] Call Trace: [ 52.725085][ T531] dump_stack+0x19c/0x1e2 [ 52.729386][ T531] should_fail+0x3f7/0x5b0 [ 52.733786][ T531] __should_failslab+0xd2/0x130 [ 52.738603][ T531] should_failslab+0x9/0x20 [ 52.743093][ T531] slab_pre_alloc_hook+0x25/0xe0 [ 52.748007][ T531] ? __kernfs_new_node+0x4c/0x6d0 [ 52.753112][ T531] __kmalloc_track_caller+0x70/0x300 [ 52.758377][ T531] ? __kernfs_new_node+0x4c/0x6d0 [ 52.763370][ T531] kstrdup_const+0x55/0x90 [ 52.767848][ T531] __kernfs_new_node+0x4c/0x6d0 [ 52.772867][ T531] ? string+0x29f/0x2b0 [ 52.777270][ T531] ? vsnprintf+0x1a6c/0x1b30 [ 52.782355][ T531] kernfs_new_node+0x97/0x170 [ 52.787015][ T531] __kernfs_create_file+0x4a/0x270 [ 52.792109][ T531] cgroup_addrm_files+0x99e/0xeb0 [ 52.797150][ T531] ? delete_node+0x747/0x7a0 [ 52.802686][ T531] css_populate_dir+0x137/0x370 [ 52.807607][ T531] cgroup_apply_control_enable+0x5cd/0xf70 [ 52.813385][ T531] cgroup_apply_control+0x36/0x710 [ 52.818469][ T531] ? init_wait_entry+0xe0/0xe0 [ 52.823479][ T531] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.828841][ T531] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.834900][ T531] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.841551][ T531] cgroup_file_write+0x22f/0x4f0 [ 52.846571][ T531] kernfs_fop_write_iter+0x2cd/0x410 [ 52.852016][ T531] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.857374][ T531] vfs_write+0xb57/0xe50 [ 52.861588][ T531] ksys_write+0x157/0x260 [ 52.866497][ T531] __x64_sys_write+0x7b/0x90 [ 52.871057][ T531] do_syscall_64+0x34/0x70 [ 52.875449][ T531] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.881337][ T531] RIP: 0033:0x7fa8ac13f0e9 [ 52.885721][ 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 [ 52.905467][ T531] RSP: 002b:00007fa8ac094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.913846][ T531] RAX: ffffffffffffffda RBX: 00007fa8ac252030 RCX: 00007fa8ac13f0e9 [ 52.921892][ T531] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.929925][ T531] RBP: 00007fa8ac0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.937982][ T531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.945945][ T531] R13: 00007fffaf83307f R14: 00007fa8ac094300 R15: 0000000000022000 [ 52.954448][ T531] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.987086][ C0] !!! css_killed_ref_fn css ffff88810f7e6000 !!! [ 52.993467][ C0] !!! css_killed_ref_fn css ffff88810f7e4400 !!! [ 52.999801][ C0] !!! css_killed_ref_fn css ffff88810f7e4800 !!! [ 53.006179][ T382] !!! css_release css ffff88810f7e6000 !!! [ 53.011992][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f7e6000 !!! [ 53.019745][ T73] !!! css_release css ffff88810f7e4400 !!! [ 53.025692][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810f7e4400 !!! [ 53.033560][ T382] !!! css_release css ffff88810f7e4800 !!! [ 53.039443][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810f7e4800 !!! [ 53.047211][ T566] FAULT_INJECTION: forcing a failure. [ 53.047211][ T566] name failslab, interval 1, probability 0, space 0, times 0 [ 53.059910][ T566] CPU: 0 PID: 566 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 53.071437][ T566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.081497][ T566] Call Trace: [ 53.084866][ T566] dump_stack+0x19c/0x1e2 [ 53.089349][ T566] should_fail+0x3f7/0x5b0 [ 53.093741][ T566] __should_failslab+0xd2/0x130 [ 53.098652][ T566] should_failslab+0x9/0x20 [ 53.103131][ T566] slab_pre_alloc_hook+0x25/0xe0 [ 53.108068][ T566] kmem_cache_alloc_trace+0x47/0x2b0 [ 53.113408][ T566] ? percpu_ref_init+0xd0/0x330 [ 53.118229][ T566] percpu_ref_init+0xd0/0x330 [ 53.122884][ T566] ? cgroup_setup_root+0x8a0/0x8a0 [ 53.128144][ T566] cgroup_apply_control_enable+0x3d2/0xf70 [ 53.133929][ T566] cgroup_apply_control+0x36/0x710 [ 53.139535][ T566] ? init_wait_entry+0xe0/0xe0 [ 53.144271][ T566] ? cgroup_kn_lock_live+0x1af/0x370 [ 53.149526][ T566] cgroup_subtree_control_write+0xd05/0x12d0 [ 53.155564][ T566] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 53.161513][ T566] cgroup_file_write+0x22f/0x4f0 [ 53.166426][ T566] kernfs_fop_write_iter+0x2cd/0x410 [ 53.171682][ T566] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.176872][ T566] vfs_write+0xb57/0xe50 [ 53.181186][ T566] ksys_write+0x157/0x260 [ 53.185491][ T566] __x64_sys_write+0x7b/0x90 [ 53.190056][ T566] do_syscall_64+0x34/0x70 [ 53.194449][ T566] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.200312][ T566] RIP: 0033:0x7fa8ac13f0e9 [ 53.204702][ 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 [ 53.224297][ T566] RSP: 002b:00007fa8ac094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.232714][ T566] RAX: ffffffffffffffda RBX: 00007fa8ac252030 RCX: 00007fa8ac13f0e9 [ 53.240757][ T566] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.248709][ T566] RBP: 00007fa8ac0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.256670][ T566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.264666][ T566] R13: 00007fffaf83307f R14: 00007fa8ac094300 R15: 0000000000022000 [ 53.297265][ C0] !!! css_killed_ref_fn css ffff88810fcf1400 !!! [ 53.303805][ C0] !!! css_killed_ref_fn css ffff88810fcf3800 !!! [ 53.310205][ T382] !!! css_release css ffff88810fcf1400 !!! [ 53.315993][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810fcf1400 !!! [ 53.323670][ T382] !!! css_release css ffff88810fcf3800 !!! [ 53.329479][ T382] !!! css_put is zero set CSS_NO_REF css ffff88810fcf3800 !!! [ 53.337072][ T535] FAULT_INJECTION: forcing a failure. [ 53.337072][ T535] name failslab, interval 1, probability 0, space 0, times 0 [ 53.350104][ T535] CPU: 0 PID: 535 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 53.361635][ T535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.371787][ T535] Call Trace: [ 53.375066][ T535] dump_stack+0x19c/0x1e2 [ 53.379827][ T535] should_fail+0x3f7/0x5b0 [ 53.384217][ T535] __should_failslab+0xd2/0x130 [ 53.389038][ T535] should_failslab+0x9/0x20 [ 53.393534][ T535] slab_pre_alloc_hook+0x25/0xe0 [ 53.398468][ T535] ? __kernfs_new_node+0x4c/0x6d0 [ 53.403459][ T535] __kmalloc_track_caller+0x70/0x300 [ 53.408715][ T535] ? __kernfs_new_node+0x4c/0x6d0 [ 53.413710][ T535] kstrdup_const+0x55/0x90 [ 53.418097][ T535] __kernfs_new_node+0x4c/0x6d0 [ 53.422922][ T535] ? string+0x29f/0x2b0 [ 53.427055][ T535] ? vsnprintf+0x1a6c/0x1b30 [ 53.431642][ T535] kernfs_new_node+0x97/0x170 [ 53.436312][ T535] __kernfs_create_file+0x4a/0x270 [ 53.441511][ T535] cgroup_addrm_files+0x99e/0xeb0 [ 53.446539][ T535] ? delete_node+0x747/0x7a0 [ 53.451110][ T535] css_populate_dir+0x137/0x370 [ 53.455947][ T535] cgroup_apply_control_enable+0x5cd/0xf70 [ 53.461826][ T535] cgroup_apply_control+0x36/0x710 [ 53.466926][ T535] ? init_wait_entry+0xe0/0xe0 [ 53.471674][ T535] ? cgroup_kn_lock_live+0x1af/0x370 [ 53.476936][ T535] cgroup_subtree_control_write+0xd05/0x12d0 [ 53.482900][ T535] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 53.488946][ T535] cgroup_file_write+0x22f/0x4f0 [ 53.493965][ T535] kernfs_fop_write_iter+0x2cd/0x410 [ 53.499251][ T535] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.504348][ T535] vfs_write+0xb57/0xe50 [ 53.508581][ T535] ksys_write+0x157/0x260 [ 53.512934][ T535] __x64_sys_write+0x7b/0x90 [ 53.517498][ T535] do_syscall_64+0x34/0x70 [ 53.521973][ T535] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.527836][ T535] RIP: 0033:0x7f60e36f30e9 [ 53.532233][ T535] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.552166][ T535] RSP: 002b:00007f60e3669168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.560554][ T535] RAX: ffffffffffffffda RBX: 00007f60e3805f60 RCX: 00007f60e36f30e9 [ 53.568672][ T535] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.576705][ T535] RBP: 00007f60e36691d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.584909][ T535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.592863][ T535] R13: 00007ffd107cf67f R14: 00007f60e3669300 R15: 0000000000022000 [ 53.601283][ T535] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 53.647064][ C1] !!! css_killed_ref_fn css ffff88810fb41c00 !!! [ 53.653454][ C1] !!! css_killed_ref_fn css ffff88810fb42400 !!! [ 53.660141][ C1] !!! css_killed_ref_fn css ffff88810fb42800 !!! [ 53.666670][ T107] !!! css_release css ffff88810fb41c00 !!! [ 53.672496][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810fb41c00 !!! [ 53.680054][ T107] !!! css_release css ffff88810fb42400 !!! [ 53.685859][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810fb42400 !!! [ 53.694003][ T557] FAULT_INJECTION: forcing a failure. [ 53.694003][ T557] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 53.707742][ T557] CPU: 0 PID: 557 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 53.719258][ T557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.729460][ T557] Call Trace: [ 53.732820][ T557] dump_stack+0x19c/0x1e2 [ 53.737122][ T557] should_fail+0x3f7/0x5b0 [ 53.741506][ T557] should_fail_alloc_page+0xa9/0xd0 [ 53.746669][ T557] __alloc_pages_nodemask+0x121/0x740 [ 53.752008][ T557] ? pcpu_alloc_area+0x7ab/0x900 [ 53.756913][ T557] allocate_slab+0x72/0x580 [ 53.761402][ T557] ___slab_alloc+0x131/0x2e0 [ 53.765982][ T557] ? percpu_ref_init+0xd0/0x330 [ 53.770810][ T557] __slab_alloc+0x63/0xa0 [ 53.775128][ T557] ? percpu_ref_init+0xd0/0x330 [ 53.780211][ T557] kmem_cache_alloc_trace+0xe5/0x2b0 [ 53.785477][ T557] ? percpu_ref_init+0xd0/0x330 [ 53.790556][ T557] percpu_ref_init+0xd0/0x330 [ 53.795375][ T557] ? cgroup_setup_root+0x8a0/0x8a0 [ 53.800500][ T557] cgroup_apply_control_enable+0x3d2/0xf70 [ 53.806282][ T557] cgroup_apply_control+0x36/0x710 [ 53.811362][ T557] ? init_wait_entry+0xe0/0xe0 [ 53.816099][ T557] ? cgroup_kn_lock_live+0x1af/0x370 [ 53.821358][ T557] cgroup_subtree_control_write+0xd05/0x12d0 [ 53.827305][ T557] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 53.833274][ T557] cgroup_file_write+0x22f/0x4f0 [ 53.838199][ T557] kernfs_fop_write_iter+0x2cd/0x410 [ 53.843555][ T557] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.848675][ T557] vfs_write+0xb57/0xe50 [ 53.852979][ T557] ksys_write+0x157/0x260 [ 53.857383][ T557] __x64_sys_write+0x7b/0x90 [ 53.862057][ T557] do_syscall_64+0x34/0x70 [ 53.866449][ T557] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.872313][ T557] RIP: 0033:0x7f3d4e2e20e9 [ 53.876731][ T557] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.897205][ T557] RSP: 002b:00007f3d4e237168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.906049][ T557] RAX: ffffffffffffffda RBX: 00007f3d4e3f5030 RCX: 00007f3d4e2e20e9 [ 53.914605][ T557] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.922908][ T557] RBP: 00007f3d4e2371d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.931388][ T557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.939356][ T557] R13: 00007fff5f1003cf R14: 00007f3d4e237300 R15: 0000000000022000 [ 53.958532][ T427] ------------[ cut here ]------------ [ 53.965630][ T427] WARNING: CPU: 1 PID: 427 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 53.977397][ T427] Modules linked in: [ 53.983327][ T427] CPU: 1 PID: 427 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 53.994933][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.005292][ C1] !!! css_killed_ref_fn css ffff88810fcc6000 !!! [ 54.006826][ T427] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 54.011637][ C1] !!! css_killed_ref_fn css ffff88810fcc4400 !!! [ 54.011650][ C1] !!! css_killed_ref_fn css ffff88810fcc4800 !!! [ 54.017025][ T427] Code: cb a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1e 02 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 0b 02 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 18 2e 20 86 80 e1 07 80 c1 03 38 c1 [ 54.023235][ T107] !!! css_release css ffff88810fcc6000 !!! [ 54.030430][ T427] RSP: 0018:ffffc90000f27e30 EFLAGS: 00010293 [ 54.049723][ C1] !!! css_killed_ref_fn css ffff88810fb42000 !!! [ 54.055624][ T427] [ 54.061200][ C1] !!! css_killed_ref_fn css ffff88810fb40400 !!! [ 54.061212][ C1] !!! css_killed_ref_fn css ffff88810fb40800 !!! [ 54.067716][ T427] RAX: ffffffff81b00cc5 RBX: ffffe8ffffd47004 RCX: ffff888107a75b80 [ 54.069895][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810fcc6000 !!! [ 54.076190][ T427] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 54.082977][ T389] !!! css_release css ffff88810fcc4400 !!! [ 54.090928][ T427] RBP: ffffc90000f27e80 R08: ffffffff81b009a3 R09: fffff520001e4fcd [ 54.099997][ T389] !!! css_put is zero set CSS_NO_REF css ffff88810fcc4400 !!! [ 54.108376][ T427] R10: fffff520001e4fcd R11: 1ffff920001e4fcc R12: ffff88810c5e2348 [ 54.114490][ T107] !!! css_release css ffff88810fb42000 !!! [ 54.122212][ T427] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 54.129579][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810fb42000 !!! [ 54.137824][ T427] FS: 0000555556a83400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 54.143465][ T107] !!! css_release css ffff88810fb40400 !!! [ 54.151606][ T427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.158958][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810fb40400 !!! [ 54.159356][ T107] !!! css_release css ffff88810fb40800 !!! [ 54.167933][ T427] CR2: 00007f60e3647ff8 CR3: 000000011a98d000 CR4: 00000000003506b0 [ 54.167943][ T427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.167948][ T427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.167952][ T427] Call Trace: [ 54.167967][ T427] __cleanup_mnt+0x19/0x20 [ 54.167981][ T427] task_work_run+0x147/0x1b0 [ 54.174197][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810fb40800 !!! [ 54.180484][ T427] exit_to_user_mode_loop+0xc8/0xe0 [ 54.180496][ T427] syscall_exit_to_user_mode+0x77/0xa0 [ 54.180513][ T427] do_syscall_64+0x40/0x70 [ 54.188587][ T583] FAULT_INJECTION: forcing a failure. [ 54.188587][ T583] name failslab, interval 1, probability 0, space 0, times 0 [ 54.193877][ T427] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.202360][ T583] CPU: 1 PID: 583 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 54.209956][ T427] RIP: 0033:0x7fdd38b31557 [ 54.217972][ T583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.217975][ T583] Call Trace: [ 54.217989][ T583] dump_stack+0x19c/0x1e2 [ 54.218004][ T583] should_fail+0x3f7/0x5b0 [ 54.221788][ T427] 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 [ 54.226175][ T583] __should_failslab+0xd2/0x130 [ 54.230745][ T427] RSP: 002b:00007ffe31dfc918 EFLAGS: 00000246 [ 54.238246][ T583] should_failslab+0x9/0x20 [ 54.238259][ T583] slab_pre_alloc_hook+0x25/0xe0 [ 54.243426][ T427] ORIG_RAX: 00000000000000a6 [ 54.248873][ T583] ? __kernfs_new_node+0x4c/0x6d0 [ 54.248883][ T583] __kmalloc_track_caller+0x70/0x300 [ 54.248901][ T583] ? __kernfs_new_node+0x4c/0x6d0 [ 54.253298][ T427] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdd38b31557 [ 54.265848][ T583] kstrdup_const+0x55/0x90 [ 54.265857][ T583] __kernfs_new_node+0x4c/0x6d0 [ 54.265871][ T583] ? string+0x29f/0x2b0 [ 54.271832][ T427] RDX: 00007ffe31dfc9e9 RSI: 000000000000000a RDI: 00007ffe31dfc9e0 [ 54.283502][ T583] ? vsnprintf+0x1a6c/0x1b30 [ 54.283516][ T583] kernfs_new_node+0x97/0x170 [ 54.287921][ T427] RBP: 00007ffe31dfc9e0 R08: 00000000ffffffff R09: 00007ffe31dfc7b0 [ 54.298049][ T583] __kernfs_create_file+0x4a/0x270 [ 54.298064][ T583] cgroup_addrm_files+0x99e/0xeb0 [ 54.301408][ T427] R10: 0000555556a84ba3 R11: 0000000000000246 R12: 00007fdd38b891f8 [ 54.305710][ T583] ? delete_node+0x747/0x7a0 [ 54.310116][ T427] R13: 00007ffe31dfdaa0 R14: 0000555556a84b00 R15: 00007ffe31dfdae0 [ 54.329963][ T583] css_populate_dir+0x137/0x370 [ 54.329976][ T583] cgroup_apply_control_enable+0x5cd/0xf70 [ 54.329993][ T583] cgroup_apply_control+0x36/0x710 [ 54.334906][ T427] ---[ end trace 5d19eefdfba7e801 ]--- [ 54.340942][ T583] ? init_wait_entry+0xe0/0xe0 [ 54.340951][ T583] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.340966][ T583] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.485752][ T583] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.491919][ T583] cgroup_file_write+0x22f/0x4f0 [ 54.496828][ T583] kernfs_fop_write_iter+0x2cd/0x410 [ 54.502193][ T583] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.507295][ T583] vfs_write+0xb57/0xe50 [ 54.511601][ T583] ksys_write+0x157/0x260 [ 54.515904][ T583] __x64_sys_write+0x7b/0x90 [ 54.520575][ T583] do_syscall_64+0x34/0x70 [ 54.524982][ T583] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.530956][ T583] RIP: 0033:0x7f23b98cf0e9 [ 54.537155][ T583] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.557579][ T583] RSP: 002b:00007f23b9824168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.566060][ T583] RAX: ffffffffffffffda RBX: 00007f23b99e2030 RCX: 00007f23b98cf0e9 [ 54.574009][ T583] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.581956][ T583] RBP: 00007f23b98241d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.590090][ T583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.598042][ T583] R13: 00007fff685ba4ef R14: 00007f23b9824300 R15: 0000000000022000 [ 54.606554][ T583] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.627088][ C0] !!! css_killed_ref_fn css ffff88810ff57c00 !!! [ 54.633631][ C0] !!! css_killed_ref_fn css ffff88810ff55800 !!! [ 54.639974][ C0] !!! css_killed_ref_fn css ffff88810ff55400 !!! [ 54.646354][ T73] !!! css_release css ffff88810ff57c00 !!! [ 54.652179][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810ff57c00 !!! [ 54.660115][ T73] !!! css_release css ffff88810ff55800 !!! [ 54.667361][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810ff55800 !!! [ 54.675201][ T584] FAULT_INJECTION: forcing a failure. [ 54.675201][ T584] name failslab, interval 1, probability 0, space 0, times 0 [ 54.687993][ T584] CPU: 0 PID: 584 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 54.699827][ T584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.710380][ T584] Call Trace: [ 54.713661][ T584] dump_stack+0x19c/0x1e2 [ 54.718076][ T584] should_fail+0x3f7/0x5b0 [ 54.722464][ T584] __should_failslab+0xd2/0x130 [ 54.727382][ T584] should_failslab+0x9/0x20 [ 54.731859][ T584] slab_pre_alloc_hook+0x25/0xe0 [ 54.736773][ T584] ? __kernfs_new_node+0x4c/0x6d0 [ 54.741876][ T584] __kmalloc_track_caller+0x70/0x300 [ 54.747135][ T584] ? __kernfs_new_node+0x4c/0x6d0 [ 54.752131][ T584] kstrdup_const+0x55/0x90 [ 54.756529][ T584] __kernfs_new_node+0x4c/0x6d0 [ 54.761373][ T584] ? string+0x29f/0x2b0 [ 54.765588][ T584] ? vsnprintf+0x1a6c/0x1b30 [ 54.770158][ T584] kernfs_new_node+0x97/0x170 [ 54.774810][ T584] __kernfs_create_file+0x4a/0x270 [ 54.779903][ T584] cgroup_addrm_files+0x99e/0xeb0 [ 54.784900][ T584] ? delete_node+0x747/0x7a0 [ 54.789485][ T584] css_populate_dir+0x137/0x370 [ 54.794577][ T584] cgroup_apply_control_enable+0x5cd/0xf70 [ 54.800365][ T584] cgroup_apply_control+0x36/0x710 [ 54.805546][ T584] ? init_wait_entry+0xe0/0xe0 [ 54.810296][ T584] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.815650][ T584] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.821623][ T584] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.827576][ T584] cgroup_file_write+0x22f/0x4f0 [ 54.832487][ T584] kernfs_fop_write_iter+0x2cd/0x410 [ 54.837742][ T584] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.842830][ T584] vfs_write+0xb57/0xe50 [ 54.847052][ T584] ksys_write+0x157/0x260 [ 54.851444][ T584] __x64_sys_write+0x7b/0x90 [ 54.856005][ T584] do_syscall_64+0x34/0x70 [ 54.860480][ T584] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.866435][ T584] RIP: 0033:0x7fa8ac13f0e9 [ 54.870829][ 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 [ 54.890418][ T584] RSP: 002b:00007fa8ac094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.898815][ T584] RAX: ffffffffffffffda RBX: 00007fa8ac252030 RCX: 00007fa8ac13f0e9 [ 54.906777][ T584] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.916897][ T584] RBP: 00007fa8ac0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.924844][ T584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.932795][ T584] R13: 00007fffaf83307f R14: 00007fa8ac094300 R15: 0000000000022000 [ 54.941260][ T584] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.987090][ C1] !!! css_killed_ref_fn css ffff8881105a0c00 !!! [ 54.993502][ C1] !!! css_killed_ref_fn css ffff8881105a1800 !!! [ 54.999863][ C1] !!! css_killed_ref_fn css ffff8881104cf000 !!! [ 55.006258][ T107] !!! css_release css ffff8881105a0c00 !!! [ 55.012316][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881105a0c00 !!! [ 55.019792][ T107] !!! css_release css ffff8881105a1800 !!! [ 55.025592][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881105a1800 !!! [ 55.033154][ T107] !!! css_release css ffff8881104cf000 !!! [ 55.038972][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881104cf000 !!! [ 55.046622][ T575] FAULT_INJECTION: forcing a failure. [ 55.046622][ T575] name failslab, interval 1, probability 0, space 0, times 0 [ 55.059256][ T575] CPU: 1 PID: 575 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 55.070880][ T575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.081016][ T575] Call Trace: [ 55.084281][ T575] dump_stack+0x19c/0x1e2 [ 55.089112][ T575] should_fail+0x3f7/0x5b0 [ 55.093584][ T575] __should_failslab+0xd2/0x130 [ 55.098406][ T575] should_failslab+0x9/0x20 [ 55.102887][ T575] slab_pre_alloc_hook+0x25/0xe0 [ 55.107892][ T575] kmem_cache_alloc_trace+0x47/0x2b0 [ 55.113499][ T575] ? percpu_ref_init+0xd0/0x330 [ 55.118497][ T575] percpu_ref_init+0xd0/0x330 [ 55.123156][ T575] ? cgroup_setup_root+0x8a0/0x8a0 [ 55.128265][ T575] cgroup_apply_control_enable+0x3d2/0xf70 [ 55.134048][ T575] cgroup_apply_control+0x36/0x710 [ 55.139217][ T575] ? init_wait_entry+0xe0/0xe0 [ 55.143949][ T575] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.149301][ T575] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.155253][ T575] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.161218][ T575] cgroup_file_write+0x22f/0x4f0 [ 55.166149][ T575] kernfs_fop_write_iter+0x2cd/0x410 [ 55.171424][ T575] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.176698][ T575] vfs_write+0xb57/0xe50 [ 55.181022][ T575] ksys_write+0x157/0x260 [ 55.185331][ T575] __x64_sys_write+0x7b/0x90 [ 55.189942][ T575] do_syscall_64+0x34/0x70 [ 55.194467][ T575] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.200345][ T575] RIP: 0033:0x7f3d4e2e20e9 [ 55.204734][ T575] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.224588][ T575] RSP: 002b:00007f3d4e258168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.233015][ T575] RAX: ffffffffffffffda RBX: 00007f3d4e3f4f60 RCX: 00007f3d4e2e20e9 [ 55.240966][ T575] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.248919][ T575] RBP: 00007f3d4e2581d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.256873][ T575] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.264832][ T575] R13: 00007fff5f1003cf R14: 00007f3d4e258300 R15: 0000000000022000 [ 55.297087][ C1] !!! css_killed_ref_fn css ffff8881104cf400 !!! [ 55.303482][ C1] !!! css_killed_ref_fn css ffff8881104cfc00 !!! [ 55.309872][ T107] !!! css_release css ffff8881104cf400 !!! [ 55.315669][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881104cf400 !!! [ 55.323228][ T107] !!! css_release css ffff8881104cfc00 !!! [ 55.329044][ T107] !!! css_put is zero set CSS_NO_REF css ffff8881104cfc00 !!! [ 55.336928][ T585] FAULT_INJECTION: forcing a failure. [ 55.336928][ T585] name failslab, interval 1, probability 0, space 0, times 0 [ 55.350130][ T585] CPU: 0 PID: 585 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 55.361924][ T585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.372060][ T585] Call Trace: [ 55.375337][ T585] dump_stack+0x19c/0x1e2 [ 55.379649][ T585] should_fail+0x3f7/0x5b0 [ 55.384299][ T585] __should_failslab+0xd2/0x130 [ 55.389212][ T585] should_failslab+0x9/0x20 [ 55.393686][ T585] slab_pre_alloc_hook+0x25/0xe0 [ 55.398592][ T585] kmem_cache_alloc_trace+0x47/0x2b0 [ 55.403864][ T585] ? pids_css_alloc+0x4e/0x120 [ 55.408708][ T585] pids_css_alloc+0x4e/0x120 [ 55.413280][ T585] cgroup_apply_control_enable+0x381/0xf70 [ 55.419145][ T585] cgroup_apply_control+0x36/0x710 [ 55.424243][ T585] ? init_wait_entry+0xe0/0xe0 [ 55.428982][ T585] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.434326][ T585] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.440300][ T585] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.446256][ T585] cgroup_file_write+0x22f/0x4f0 [ 55.451166][ T585] kernfs_fop_write_iter+0x2cd/0x410 [ 55.456544][ T585] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.461651][ T585] vfs_write+0xb57/0xe50 [ 55.465886][ T585] ksys_write+0x157/0x260 [ 55.470201][ T585] __x64_sys_write+0x7b/0x90 [ 55.474764][ T585] do_syscall_64+0x34/0x70 [ 55.479154][ T585] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.485024][ T585] RIP: 0033:0x7f94e348c0e9 [ 55.489421][ T585] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.509087][ T585] RSP: 002b:00007f94e33e1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.517470][ T585] RAX: ffffffffffffffda RBX: 00007f94e359f030 RCX: 00007f94e348c0e9 [ 55.525412][ T585] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.533530][ T585] RBP: 00007f94e33e11d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.541488][ T585] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.549441][ T585] R13: 00007fff3113e32f R14: 00007f94e33e1300 R15: 0000000000022000 [ 55.597078][ C0] !!! css_killed_ref_fn css ffff8881105cbc00 !!! [ 55.603504][ C0] !!! css_killed_ref_fn css ffff8881105cac00 !!! [ 55.610199][ T5] !!! css_release css ffff8881105cbc00 !!! [ 55.616082][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881105cbc00 !!! [ 55.623829][ T5] !!! css_release css ffff8881105cac00 !!! [ 55.629723][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881105cac00 !!! [ 55.637539][ T598] FAULT_INJECTION: forcing a failure. [ 55.637539][ T598] name failslab, interval 1, probability 0, space 0, times 0 [ 55.650208][ T598] CPU: 0 PID: 598 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 55.661830][ T598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.671960][ T598] Call Trace: [ 55.675231][ T598] dump_stack+0x19c/0x1e2 [ 55.679632][ T598] should_fail+0x3f7/0x5b0 [ 55.684025][ T598] __should_failslab+0xd2/0x130 [ 55.688851][ T598] should_failslab+0x9/0x20 [ 55.693332][ T598] slab_pre_alloc_hook+0x25/0xe0 [ 55.698245][ T598] ? __kernfs_new_node+0x4c/0x6d0 [ 55.703256][ T598] __kmalloc_track_caller+0x70/0x300 [ 55.708612][ T598] ? __kernfs_new_node+0x4c/0x6d0 [ 55.713624][ T598] kstrdup_const+0x55/0x90 [ 55.718009][ T598] __kernfs_new_node+0x4c/0x6d0 [ 55.722826][ T598] ? string+0x29f/0x2b0 [ 55.726952][ T598] ? vsnprintf+0x1a6c/0x1b30 [ 55.731599][ T598] kernfs_new_node+0x97/0x170 [ 55.736341][ T598] __kernfs_create_file+0x4a/0x270 [ 55.741425][ T598] cgroup_addrm_files+0x99e/0xeb0 [ 55.746507][ T598] ? delete_node+0x747/0x7a0 [ 55.751075][ T598] css_populate_dir+0x137/0x370 [ 55.755910][ T598] cgroup_apply_control_enable+0x5cd/0xf70 [ 55.761691][ T598] cgroup_apply_control+0x36/0x710 [ 55.766770][ T598] ? init_wait_entry+0xe0/0xe0 [ 55.771505][ T598] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.776761][ T598] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.782724][ T598] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.788687][ T598] cgroup_file_write+0x22f/0x4f0 [ 55.794030][ T598] kernfs_fop_write_iter+0x2cd/0x410 [ 55.799291][ T598] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.804379][ T598] vfs_write+0xb57/0xe50 [ 55.808601][ T598] ksys_write+0x157/0x260 [ 55.812914][ T598] __x64_sys_write+0x7b/0x90 [ 55.817482][ T598] do_syscall_64+0x34/0x70 [ 55.821890][ T598] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.827860][ T598] RIP: 0033:0x7fa8ac13f0e9 [ 55.832256][ 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 [ 55.852470][ T598] RSP: 002b:00007fa8ac094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.861133][ T598] RAX: ffffffffffffffda RBX: 00007fa8ac252030 RCX: 00007fa8ac13f0e9 [ 55.869081][ T598] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.877031][ T598] RBP: 00007fa8ac0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.884989][ T598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.893048][ T598] R13: 00007fffaf83307f R14: 00007fa8ac094300 R15: 0000000000022000 [ 55.901512][ T598] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.937088][ C0] !!! css_killed_ref_fn css ffff8881107fa400 !!! [ 55.943453][ C0] !!! css_killed_ref_fn css ffff8881107fb400 !!! [ 55.949808][ C0] !!! css_killed_ref_fn css ffff8881107fbc00 !!! [ 55.956197][ T5] !!! css_release css ffff8881107fa400 !!! [ 55.962015][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881107fa400 !!! [ 55.969802][ T5] !!! css_release css ffff8881107fb400 !!! [ 55.975598][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881107fb400 !!! [ 55.983351][ T5] !!! css_release css ffff8881107fbc00 !!! [ 55.989378][ T5] !!! css_put is zero set CSS_NO_REF css ffff8881107fbc00 !!! [ 55.997219][ T586] FAULT_INJECTION: forcing a failure. [ 55.997219][ T586] name failslab, interval 1, probability 0, space 0, times 0 [ 56.010213][ T586] CPU: 1 PID: 586 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 56.021740][ T586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.033262][ T586] Call Trace: [ 56.036666][ T586] dump_stack+0x19c/0x1e2 [ 56.040988][ T586] should_fail+0x3f7/0x5b0 [ 56.045385][ T586] __should_failslab+0xd2/0x130 [ 56.050218][ T586] should_failslab+0x9/0x20 [ 56.054711][ T586] slab_pre_alloc_hook+0x25/0xe0 [ 56.059640][ T586] ? __kernfs_new_node+0x4c/0x6d0 [ 56.064641][ T586] __kmalloc_track_caller+0x70/0x300 [ 56.069919][ T586] ? __kernfs_new_node+0x4c/0x6d0 [ 56.075017][ T586] kstrdup_const+0x55/0x90 [ 56.079602][ T586] __kernfs_new_node+0x4c/0x6d0 [ 56.084433][ T586] ? string+0x29f/0x2b0 [ 56.088820][ T586] ? vsnprintf+0x1a6c/0x1b30 [ 56.093469][ T586] kernfs_new_node+0x97/0x170 [ 56.098119][ T586] __kernfs_create_file+0x4a/0x270 [ 56.103213][ T586] cgroup_addrm_files+0x99e/0xeb0 [ 56.108657][ T586] ? delete_node+0x747/0x7a0 [ 56.113240][ T586] css_populate_dir+0x137/0x370 [ 56.118085][ T586] cgroup_apply_control_enable+0x5cd/0xf70 [ 56.123873][ T586] cgroup_apply_control+0x36/0x710 [ 56.128978][ T586] ? init_wait_entry+0xe0/0xe0 [ 56.133742][ T586] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.139039][ T586] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.145007][ T586] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.151323][ T586] cgroup_file_write+0x22f/0x4f0 [ 56.156251][ T586] kernfs_fop_write_iter+0x2cd/0x410 [ 56.161634][ T586] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.166723][ T586] vfs_write+0xb57/0xe50 [ 56.171158][ T586] ksys_write+0x157/0x260 [ 56.175491][ T586] __x64_sys_write+0x7b/0x90 [ 56.180069][ T586] do_syscall_64+0x34/0x70 [ 56.184558][ T586] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.190460][ T586] RIP: 0033:0x7f60e36f30e9 [ 56.194951][ T586] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.215178][ T586] RSP: 002b:00007f60e3648168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.225595][ T586] RAX: ffffffffffffffda RBX: 00007f60e3806030 RCX: 00007f60e36f30e9 [ 56.233649][ T586] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.242040][ T586] RBP: 00007f60e36481d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.250001][ T586] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.258201][ T586] R13: 00007ffd107cf67f R14: 00007f60e3648300 R15: 0000000000022000 [ 56.266372][ T586] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 56.317056][ C1] !!! css_killed_ref_fn css ffff88810dea6000 !!! [ 56.323422][ C1] !!! css_killed_ref_fn css ffff88810dea4c00 !!! [ 56.329763][ C1] !!! css_killed_ref_fn css ffff88810dea5800 !!! [ 56.336158][ T18] !!! css_release css ffff88810dea6000 !!! [ 56.342070][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810dea6000 !!! [ 56.349617][ T18] !!! css_release css ffff88810dea4c00 !!! [ 56.355394][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810dea4c00 !!! [ 56.363127][ T18] !!! css_release css ffff88810dea5800 !!! [ 56.369004][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810dea5800 !!! [ 56.376679][ T594] FAULT_INJECTION: forcing a failure. [ 56.376679][ T594] name failslab, interval 1, probability 0, space 0, times 0 [ 56.389599][ T594] CPU: 1 PID: 594 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 56.401124][ T594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.411169][ T594] Call Trace: [ 56.414439][ T594] dump_stack+0x19c/0x1e2 [ 56.418756][ T594] should_fail+0x3f7/0x5b0 [ 56.423148][ T594] __should_failslab+0xd2/0x130 [ 56.428006][ T594] should_failslab+0x9/0x20 [ 56.432664][ T594] slab_pre_alloc_hook+0x25/0xe0 [ 56.437593][ T594] ? __kernfs_new_node+0x4c/0x6d0 [ 56.442599][ T594] __kmalloc_track_caller+0x70/0x300 [ 56.447896][ T594] ? __kernfs_new_node+0x4c/0x6d0 [ 56.452991][ T594] kstrdup_const+0x55/0x90 [ 56.457389][ T594] __kernfs_new_node+0x4c/0x6d0 [ 56.462574][ T594] ? string+0x29f/0x2b0 [ 56.466964][ T594] ? vsnprintf+0x1a6c/0x1b30 [ 56.471529][ T594] kernfs_new_node+0x97/0x170 [ 56.476188][ T594] __kernfs_create_file+0x4a/0x270 [ 56.481287][ T594] cgroup_addrm_files+0x99e/0xeb0 [ 56.486397][ T594] ? delete_node+0x747/0x7a0 [ 56.490967][ T594] css_populate_dir+0x137/0x370 [ 56.495792][ T594] cgroup_apply_control_enable+0x5cd/0xf70 [ 56.501661][ T594] cgroup_apply_control+0x36/0x710 [ 56.506753][ T594] ? init_wait_entry+0xe0/0xe0 [ 56.511498][ T594] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.516763][ T594] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.522736][ T594] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.528695][ T594] cgroup_file_write+0x22f/0x4f0 [ 56.533622][ T594] kernfs_fop_write_iter+0x2cd/0x410 [ 56.538882][ T594] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.544054][ T594] vfs_write+0xb57/0xe50 [ 56.548283][ T594] ksys_write+0x157/0x260 [ 56.552585][ T594] __x64_sys_write+0x7b/0x90 [ 56.557151][ T594] do_syscall_64+0x34/0x70 [ 56.561637][ T594] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.567526][ T594] RIP: 0033:0x7fdd38b300e9 [ 56.571934][ T594] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.591629][ T594] RSP: 002b:00007fdd38a85168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.600034][ T594] RAX: ffffffffffffffda RBX: 00007fdd38c43030 RCX: 00007fdd38b300e9 [ 56.608092][ T594] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.616133][ T594] RBP: 00007fdd38a851d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.624079][ T594] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.632121][ T594] R13: 00007ffe31dfd7bf R14: 00007fdd38a85300 R15: 0000000000022000 [ 56.640486][ T594] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 56.649096][ T427] ------------[ cut here ]------------ [ 56.654564][ T427] WARNING: CPU: 0 PID: 427 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 56.663518][ T427] Modules linked in: [ 56.667425][ T427] CPU: 0 PID: 427 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 56.678969][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.689393][ T427] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 56.695001][ T427] Code: 48 c7 c2 80 de c4 85 e8 42 e3 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 d3 71 a7 ff e9 28 fd ff ff [ 56.715246][ T427] RSP: 0018:ffffc90000f27dd0 EFLAGS: 00010293 [ 56.721348][ T427] RAX: ffffffff81af01fc RBX: ffff88810fffb460 RCX: ffff888107a75b80 [ 56.729337][ T427] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 56.737846][ T427] RBP: ffffc90000f27e40 R08: ffffffff81aeff27 R09: fffff520001e4fb2 [ 56.745998][ T427] R10: fffff520001e4fb2 R11: 1ffff920001e4fb1 R12: dffffc0000000000 [ 56.753990][ T427] R13: ffff88810fffb380 R14: 00000000ffffffff R15: 0000000000000000 [ 56.763540][ T427] FS: 0000555556a83400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 56.772506][ T427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.779108][ T427] CR2: 00007f9c703a5000 CR3: 000000011a98d000 CR4: 00000000003506b0 [ 56.787096][ T427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.795522][ T427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.803640][ T427] Call Trace: [ 56.806917][ T427] path_umount+0x1ad/0xed0 [ 56.811388][ T427] __x64_sys_umount+0xe8/0x110 [ 56.816582][ T427] do_syscall_64+0x34/0x70 [ 56.821018][ T427] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.827279][ T427] RIP: 0033:0x7fdd38b31557 [ 56.831686][ T427] 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 [ 56.851688][ T427] RSP: 002b:00007ffe31dfc918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 56.860303][ T427] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd38b31557 [ 56.868453][ T427] RDX: 00007ffe31dfc9e9 RSI: 000000000000000a RDI: 00007ffe31dfc9e0 [ 56.876501][ T427] RBP: 00007ffe31dfc9e0 R08: 00000000ffffffff R09: 00007ffe31dfc7b0 [ 56.884477][ T427] R10: 0000555556a84ba3 R11: 0000000000000246 R12: 00007fdd38b891f8 [ 56.892478][ T427] R13: 00007ffe31dfdaa0 R14: 0000555556a84b00 R15: 00007ffe31dfdae0 [ 56.900890][ T427] ---[ end trace 5d19eefdfba7e802 ]--- [ 56.917087][ C1] !!! css_killed_ref_fn css ffff88811096fc00 !!! [ 56.923559][ C1] !!! css_killed_ref_fn css ffff88811096ec00 !!! [ 56.929903][ C1] !!! css_killed_ref_fn css ffff88811096f400 !!! [ 56.936356][ T18] !!! css_release css ffff88811096fc00 !!! [ 56.942178][ T18] !!! css_put is zero set CSS_NO_REF css ffff88811096fc00 !!! [ 56.943525][ T22] audit: type=1400 audit(1653687080.350:162): avc: denied { unlink } for pid=141 comm="syslogd" name="messages.0" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 56.949722][ T18] !!! css_release css ffff88811096ec00 !!! [ 56.977897][ T18] !!! css_put is zero set CSS_NO_REF css ffff88811096ec00 !!! [ 56.985450][ T18] !!! css_release css ffff88811096f400 !!! [ 56.991541][ T18] !!! css_put is zero set CSS_NO_REF css ffff88811096f400 !!! [ 56.999278][ T595] FAULT_INJECTION: forcing a failure. [ 56.999278][ T595] name failslab, interval 1, probability 0, space 0, times 0 [ 57.013440][ T595] CPU: 1 PID: 595 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 57.025047][ T595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.035960][ T595] Call Trace: [ 57.039241][ T595] dump_stack+0x19c/0x1e2 [ 57.043568][ T595] should_fail+0x3f7/0x5b0 [ 57.047960][ T595] __should_failslab+0xd2/0x130 [ 57.053144][ T595] should_failslab+0x9/0x20 [ 57.057818][ T595] slab_pre_alloc_hook+0x25/0xe0 [ 57.062732][ T595] kmem_cache_alloc_trace+0x47/0x2b0 [ 57.068006][ T595] ? percpu_ref_init+0xd0/0x330 [ 57.072836][ T595] percpu_ref_init+0xd0/0x330 [ 57.077619][ T595] ? cgroup_setup_root+0x8a0/0x8a0 [ 57.083928][ T595] cgroup_apply_control_enable+0x3d2/0xf70 [ 57.090621][ T595] cgroup_apply_control+0x36/0x710 [ 57.095711][ T595] ? init_wait_entry+0xe0/0xe0 [ 57.100459][ T595] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.105734][ T595] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.111862][ T595] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.117812][ T595] cgroup_file_write+0x22f/0x4f0 [ 57.122737][ T595] kernfs_fop_write_iter+0x2cd/0x410 [ 57.127997][ T595] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.133310][ T595] vfs_write+0xb57/0xe50 [ 57.137544][ T595] ksys_write+0x157/0x260 [ 57.141851][ T595] __x64_sys_write+0x7b/0x90 [ 57.146427][ T595] do_syscall_64+0x34/0x70 [ 57.150856][ T595] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.156741][ T595] RIP: 0033:0x7f23b98cf0e9 [ 57.161233][ T595] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.180818][ T595] RSP: 002b:00007f23b9824168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.189297][ T595] RAX: ffffffffffffffda RBX: 00007f23b99e2030 RCX: 00007f23b98cf0e9 [ 57.197253][ T595] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.205269][ T595] RBP: 00007f23b98241d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.213455][ T595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.221969][ T595] R13: 00007fff685ba4ef R14: 00007f23b9824300 R15: 0000000000022000 [ 57.257076][ C1] !!! css_killed_ref_fn css ffff888110b01000 !!! [ 57.263434][ C1] !!! css_killed_ref_fn css ffff888110b00000 !!! [ 57.269839][ T107] !!! css_release css ffff888110b01000 !!! [ 57.275670][ T107] !!! css_put is zero set CSS_NO_REF css ffff888110b01000 !!! [ 57.283418][ T107] !!! css_release css ffff888110b00000 !!! [ 57.289335][ T107] !!! css_put is zero set CSS_NO_REF css ffff888110b00000 !!! [ 57.296974][ T604] FAULT_INJECTION: forcing a failure. [ 57.296974][ T604] name failslab, interval 1, probability 0, space 0, times 0 [ 57.309824][ T604] CPU: 1 PID: 604 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 57.321430][ T604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.331655][ T604] Call Trace: [ 57.335022][ T604] dump_stack+0x19c/0x1e2 [ 57.339450][ T604] should_fail+0x3f7/0x5b0 [ 57.343876][ T604] __should_failslab+0xd2/0x130 [ 57.348839][ T604] should_failslab+0x9/0x20 [ 57.353345][ T604] slab_pre_alloc_hook+0x25/0xe0 [ 57.358363][ T604] kmem_cache_alloc_trace+0x47/0x2b0 [ 57.363638][ T604] ? percpu_ref_init+0xd0/0x330 [ 57.368662][ T604] percpu_ref_init+0xd0/0x330 [ 57.373337][ T604] ? cgroup_setup_root+0x8a0/0x8a0 [ 57.378527][ T604] cgroup_apply_control_enable+0x3d2/0xf70 [ 57.384319][ T604] cgroup_apply_control+0x36/0x710 [ 57.389416][ T604] ? init_wait_entry+0xe0/0xe0 [ 57.394158][ T604] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.399508][ T604] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.405462][ T604] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.411440][ T604] cgroup_file_write+0x22f/0x4f0 [ 57.416352][ T604] kernfs_fop_write_iter+0x2cd/0x410 [ 57.421610][ T604] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.426887][ T604] vfs_write+0xb57/0xe50 [ 57.431115][ T604] ksys_write+0x157/0x260 [ 57.435504][ T604] __x64_sys_write+0x7b/0x90 [ 57.440261][ T604] do_syscall_64+0x34/0x70 [ 57.444678][ T604] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.450652][ T604] RIP: 0033:0x7f94e348c0e9 [ 57.455071][ 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 [ 57.474924][ T604] RSP: 002b:00007f94e33e1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.483319][ T604] RAX: ffffffffffffffda RBX: 00007f94e359f030 RCX: 00007f94e348c0e9 [ 57.491276][ T604] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.499237][ T604] RBP: 00007f94e33e11d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.507282][ T604] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.515235][ T604] R13: 00007fff3113e32f R14: 00007f94e33e1300 R15: 0000000000022000 [ 57.557131][ C1] !!! css_killed_ref_fn css ffff888110b53c00 !!! [ 57.563498][ C1] !!! css_killed_ref_fn css ffff888110b52c00 !!! [ 57.569906][ T18] !!! css_release css ffff888110b53c00 !!! [ 57.575692][ T18] !!! css_put is zero set CSS_NO_REF css ffff888110b53c00 !!! [ 57.583647][ T18] !!! css_release css ffff888110b52c00 !!! [ 57.589703][ T18] !!! css_put is zero set CSS_NO_REF css ffff888110b52c00 !!! [ 57.597620][ T619] FAULT_INJECTION: forcing a failure. [ 57.597620][ T619] name failslab, interval 1, probability 0, space 0, times 0 [ 57.610700][ T619] CPU: 0 PID: 619 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 57.622223][ T619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.632433][ T619] Call Trace: [ 57.635711][ T619] dump_stack+0x19c/0x1e2 [ 57.640062][ T619] should_fail+0x3f7/0x5b0 [ 57.644475][ T619] __should_failslab+0xd2/0x130 [ 57.649306][ T619] should_failslab+0x9/0x20 [ 57.653789][ T619] slab_pre_alloc_hook+0x25/0xe0 [ 57.658885][ T619] kmem_cache_alloc_trace+0x47/0x2b0 [ 57.664142][ T619] ? percpu_ref_init+0xd0/0x330 [ 57.668968][ T619] percpu_ref_init+0xd0/0x330 [ 57.673616][ T619] ? cgroup_setup_root+0x8a0/0x8a0 [ 57.678709][ T619] cgroup_apply_control_enable+0x3d2/0xf70 [ 57.684490][ T619] cgroup_apply_control+0x36/0x710 [ 57.689920][ T619] ? init_wait_entry+0xe0/0xe0 [ 57.694662][ T619] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.699920][ T619] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.705869][ T619] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.711992][ T619] cgroup_file_write+0x22f/0x4f0 [ 57.717008][ T619] kernfs_fop_write_iter+0x2cd/0x410 [ 57.722281][ T619] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.727462][ T619] vfs_write+0xb57/0xe50 [ 57.731794][ T619] ksys_write+0x157/0x260 [ 57.736192][ T619] __x64_sys_write+0x7b/0x90 [ 57.740763][ T619] do_syscall_64+0x34/0x70 [ 57.745157][ T619] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.751116][ T619] RIP: 0033:0x7f94e348c0e9 [ 57.755509][ 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 [ 57.775444][ T619] RSP: 002b:00007f94e33e1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.783919][ T619] RAX: ffffffffffffffda RBX: 00007f94e359f030 RCX: 00007f94e348c0e9 [ 57.791868][ T619] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.799823][ T619] RBP: 00007f94e33e11d0 R08: 0000000000000000 R09: 0000000000000000 2022/05/27 21:31:21 executed programs: 58 [ 57.807772][ T619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.815734][ T619] R13: 00007fff3113e32f R14: 00007f94e33e1300 R15: 0000000000022000 [ 57.883801][ C0] !!! css_killed_ref_fn css ffff888110c7b400 !!! [ 57.890295][ C0] !!! css_killed_ref_fn css ffff888110c79c00 !!! [ 57.896956][ T382] !!! css_release css ffff888110c7b400 !!! [ 57.902954][ T382] !!! css_put is zero set CSS_NO_REF css ffff888110c7b400 !!! [ 57.910621][ T382] !!! css_release css ffff888110c79c00 !!! [ 57.916405][ T382] !!! css_put is zero set CSS_NO_REF css ffff888110c79c00 !!! [ 57.924271][ T601] FAULT_INJECTION: forcing a failure. [ 57.924271][ T601] name failslab, interval 1, probability 0, space 0, times 0 [ 57.937234][ T601] CPU: 0 PID: 601 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 57.948753][ T601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.958786][ T601] Call Trace: [ 57.962056][ T601] dump_stack+0x19c/0x1e2 [ 57.966358][ T601] should_fail+0x3f7/0x5b0 [ 57.970832][ T601] __should_failslab+0xd2/0x130 [ 57.975656][ T601] should_failslab+0x9/0x20 [ 57.980155][ T601] slab_pre_alloc_hook+0x25/0xe0 [ 57.985253][ T601] kmem_cache_alloc_trace+0x47/0x2b0 [ 57.990512][ T601] ? percpu_ref_init+0xd0/0x330 [ 57.995435][ T601] percpu_ref_init+0xd0/0x330 [ 58.000099][ T601] ? cgroup_setup_root+0x8a0/0x8a0 [ 58.005192][ T601] cgroup_apply_control_enable+0x3d2/0xf70 [ 58.010978][ T601] cgroup_apply_control+0x36/0x710 [ 58.016074][ T601] ? init_wait_entry+0xe0/0xe0 [ 58.020824][ T601] ? cgroup_kn_lock_live+0x1af/0x370 [ 58.026099][ T601] cgroup_subtree_control_write+0xd05/0x12d0 [ 58.032261][ T601] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 58.038229][ T601] cgroup_file_write+0x22f/0x4f0 [ 58.043146][ T601] kernfs_fop_write_iter+0x2cd/0x410 [ 58.048403][ T601] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.053490][ T601] vfs_write+0xb57/0xe50 [ 58.057775][ T601] ksys_write+0x157/0x260 [ 58.062104][ T601] __x64_sys_write+0x7b/0x90 [ 58.066681][ T601] do_syscall_64+0x34/0x70 [ 58.071187][ T601] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.077065][ T601] RIP: 0033:0x7f3d4e2e20e9 [ 58.081464][ T601] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.101044][ T601] RSP: 002b:00007f3d4e237168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.109444][ T601] RAX: ffffffffffffffda RBX: 00007f3d4e3f5030 RCX: 00007f3d4e2e20e9 [ 58.117395][ T601] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.125344][ T601] RBP: 00007f3d4e2371d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.133297][ T601] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.141260][ T601] R13: 00007fff5f1003cf R14: 00007f3d4e237300 R15: 0000000000022000 [ 58.151176][ T429] ------------[ cut here ]------------ [ 58.156655][ T429] WARNING: CPU: 1 PID: 429 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 58.165610][ T429] Modules linked in: [ 58.169515][ T429] CPU: 1 PID: 429 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 58.181054][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.191218][ T429] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 58.196940][ T429] Code: 48 c7 c2 80 de c4 85 e8 42 e3 94 ff e9 da fc ff ff e8 e8 0c ba ff e9 d0 fc ff ff e8 de 0c ba ff e9 c6 fc ff ff e8 d4 0c ba ff <0f> 0b e9 32 fd ff ff e8 c8 0c ba ff e8 d3 71 a7 ff e9 28 fd ff ff [ 58.216766][ T429] RSP: 0018:ffffc90000f47dd0 EFLAGS: 00010293 [ 58.223034][ T429] RAX: ffffffff81af01fc RBX: ffff8881101715e0 RCX: ffff888107a73d00 [ 58.231017][ T429] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 58.239006][ T429] RBP: ffffc90000f47e40 R08: ffffffff81aeff27 R09: fffff520001e8fb2 [ 58.246982][ T429] R10: fffff520001e8fb2 R11: 1ffff920001e8fb1 R12: dffffc0000000000 [ 58.254976][ T429] R13: ffff888110171500 R14: 00000000ffffffff R15: 0000000000000000 [ 58.263055][ T429] FS: 0000555556b22400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 58.272074][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.278658][ T429] CR2: 00007fff5f0fede8 CR3: 000000011b412000 CR4: 00000000003506a0 [ 58.286622][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.294595][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.302575][ T429] Call Trace: [ 58.305841][ T429] path_umount+0x1ad/0xed0 [ 58.310260][ T429] __x64_sys_umount+0xe8/0x110 [ 58.315008][ T429] do_syscall_64+0x34/0x70 [ 58.319455][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.325427][ T429] RIP: 0033:0x7f3d4e2e3557 [ 58.329852][ T429] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.349465][ T429] RSP: 002b:00007fff5f0ff528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 58.357901][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d4e2e3557 [ 58.365881][ T429] RDX: 00007fff5f0ff5f9 RSI: 000000000000000a RDI: 00007fff5f0ff5f0 [ 58.373879][ T429] RBP: 00007fff5f0ff5f0 R08: 00000000ffffffff R09: 00007fff5f0ff3c0 [ 58.382136][ T429] R10: 0000555556b23ba3 R11: 0000000000000246 R12: 00007f3d4e33b1f8 [ 58.390206][ T429] R13: 00007fff5f1006b0 R14: 0000555556b23b00 R15: 00007fff5f1006f0 [ 58.398358][ T429] ---[ end trace 5d19eefdfba7e803 ]--- [ 58.403831][ T429] ------------[ cut here ]------------ [ 58.409405][ T429] WARNING: CPU: 1 PID: 429 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 58.417996][ C1] !!! css_killed_ref_fn css ffff888110dd1800 !!! [ 58.418011][ C1] !!! css_killed_ref_fn css ffff888110dd0c00 !!! [ 58.430735][ T18] !!! css_release css ffff888110dd1800 !!! [ 58.431083][ T429] Modules linked in: [ 58.436699][ T18] !!! css_put is zero set CSS_NO_REF css ffff888110dd1800 !!! [ 58.436880][ T18] !!! css_release css ffff888110dd0c00 !!! [ 58.440965][ T429] [ 58.448190][ T18] !!! css_put is zero set CSS_NO_REF css ffff888110dd0c00 !!! [ 58.448339][ T613] FAULT_INJECTION: forcing a failure. [ 58.448339][ T613] name failslab, interval 1, probability 0, space 0, times 0 [ 58.454258][ T429] CPU: 0 PID: 429 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 58.456310][ T613] CPU: 1 PID: 613 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 58.456317][ T613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.456320][ T613] Call Trace: [ 58.456333][ T613] dump_stack+0x19c/0x1e2 [ 58.456348][ T613] should_fail+0x3f7/0x5b0 [ 58.464047][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.476339][ T613] __should_failslab+0xd2/0x130 [ 58.476348][ T613] should_failslab+0x9/0x20 [ 58.476357][ T613] slab_pre_alloc_hook+0x25/0xe0 [ 58.476366][ T613] ? __kernfs_new_node+0x4c/0x6d0 [ 58.476379][ T613] __kmalloc_track_caller+0x70/0x300 [ 58.488180][ T429] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 58.499412][ T613] ? __kernfs_new_node+0x4c/0x6d0 [ 58.499421][ T613] kstrdup_const+0x55/0x90 [ 58.499429][ T613] __kernfs_new_node+0x4c/0x6d0 [ 58.499437][ T613] ? string+0x29f/0x2b0 [ 58.499445][ T613] ? vsnprintf+0x1a6c/0x1b30 [ 58.499459][ T613] kernfs_new_node+0x97/0x170 [ 58.509910][ T429] Code: cb a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1e 02 b9 ff 48 8b 7d d0 e8 25 cb 04 00 e9 21 fd ff ff e8 0b 02 b9 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 18 2e 20 86 80 e1 07 80 c1 03 38 c1 [ 58.512834][ T613] __kernfs_create_file+0x4a/0x270 [ 58.512845][ T613] cgroup_addrm_files+0x99e/0xeb0 [ 58.512860][ T613] ? delete_node+0x747/0x7a0 [ 58.517372][ T429] RSP: 0018:ffffc90000f47e30 EFLAGS: 00010293 [ 58.521550][ T613] css_populate_dir+0x137/0x370 [ 58.521561][ T613] cgroup_apply_control_enable+0x5cd/0xf70 [ 58.521574][ T613] cgroup_apply_control+0x36/0x710 [ 58.531889][ T429] [ 58.536513][ T613] ? init_wait_entry+0xe0/0xe0 [ 58.536524][ T613] ? cgroup_kn_lock_live+0x1af/0x370 [ 58.536533][ T613] cgroup_subtree_control_write+0xd05/0x12d0 [ 58.536547][ T613] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 58.541265][ T429] RAX: ffffffff81b00cc5 RBX: ffffe8ffffd47004 RCX: ffff888107a73d00 [ 58.545935][ T613] cgroup_file_write+0x22f/0x4f0 [ 58.545944][ T613] kernfs_fop_write_iter+0x2cd/0x410 [ 58.545952][ T613] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.545965][ T613] vfs_write+0xb57/0xe50 [ 58.551947][ T429] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 58.556776][ T613] ksys_write+0x157/0x260 [ 58.556785][ T613] __x64_sys_write+0x7b/0x90 [ 58.556800][ T613] do_syscall_64+0x34/0x70 [ 58.562289][ T429] RBP: ffffc90000f47e80 R08: ffffffff81b009a3 R09: fffff520001e8fcd [ 58.567050][ T613] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.567058][ T613] RIP: 0033:0x7fdd38b300e9 [ 58.567068][ T613] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.567079][ T613] RSP: 002b:00007fdd38a85168 EFLAGS: 00000246 [ 58.571668][ T429] R10: fffff520001e8fcd R11: 1ffff920001e8fcc R12: ffff888110171548 [ 58.576278][ T613] ORIG_RAX: 0000000000000001 [ 58.576286][ T613] RAX: ffffffffffffffda RBX: 00007fdd38c43030 RCX: 00007fdd38b300e9 [ 58.576292][ T613] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.576298][ T613] RBP: 00007fdd38a851d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.576308][ T613] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.580700][ T429] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 58.584987][ T613] R13: 00007ffe31dfd7bf R14: 00007fdd38a85300 R15: 0000000000022000 [ 58.585755][ T613] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 58.589779][ T429] FS: 0000555556b22400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 58.840133][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.846711][ T429] CR2: 00007f94e359f028 CR3: 000000011b412000 CR4: 00000000003506b0 [ 58.854760][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.862751][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.871074][ T429] Call Trace: [ 58.874355][ T429] __cleanup_mnt+0x19/0x20 [ 58.878762][ T429] task_work_run+0x147/0x1b0 [ 58.883342][ T429] exit_to_user_mode_loop+0xc8/0xe0 [ 58.888553][ T429] syscall_exit_to_user_mode+0x77/0xa0 [ 58.893993][ T429] do_syscall_64+0x40/0x70 [ 58.898418][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.904293][ T429] RIP: 0033:0x7f3d4e2e3557 [ 58.908707][ T429] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.928350][ T429] RSP: 002b:00007fff5f0ff528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 58.936838][ T429] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3d4e2e3557 [ 58.944984][ T429] RDX: 00007fff5f0ff5f9 RSI: 000000000000000a RDI: 00007fff5f0ff5f0 [ 58.947050][ C1] !!! css_killed_ref_fn css ffff888110c76400 !!! [ 58.952971][ T429] RBP: 00007fff5f0ff5f0 R08: 00000000ffffffff R09: 00007fff5f0ff3c0 [ 58.959302][ C1] !!! css_killed_ref_fn css ffff888110c76800 !!! [ 58.967250][ T429] R10: 0000555556b23ba3 R11: 0000000000000246 R12: 00007f3d4e33b1f8 [ 58.973542][ C1] !!! css_killed_ref_fn css ffff888110c77000 !!! [ 58.981499][ T429] R13: 00007fff5f1006b0 R14: 0000555556b23b00 R15: 00007fff5f1006f0 [ 58.987890][ C1] !!! css_release css ffff888110c77000 !!! [ 58.995835][ T429] ---[ end trace 5d19eefdfba7e804 ]--- [ 59.001624][ C1] list_add corruption. prev->next should be next (ffff8881f715b460), but was ffff888110c77070. (prev=ffff888110c77070). [ 59.019897][ C1] ------------[ cut here ]------------ [ 59.025350][ C1] kernel BUG at lib/list_debug.c:28! [ 59.030615][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 59.036746][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 5.10.118-syzkaller-00001-gd7f2fd8840a5 #0 [ 59.047827][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.060695][ C1] RIP: 0010:__list_add_valid+0xde/0xf0 [ 59.066137][ C1] Code: f1 31 c0 e8 f7 6a 1c 02 0f 0b 48 c7 c7 50 42 d6 85 e8 b6 f2 19 00 48 c7 c7 40 03 03 85 4c 89 f6 4c 89 e1 31 c0 e8 d5 6a 1c 02 <0f> 0b 48 c7 c7 60 42 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 59.085722][ C1] RSP: 0018:ffffc90000150bc0 EFLAGS: 00010046 [ 59.091760][ C1] RAX: 0000000000000075 RBX: ffff8881f715b468 RCX: 9e56686f19cc8900 [ 59.100221][ C1] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 59.108169][ C1] RBP: ffffc90000150be8 R08: ffffffff81514568 R09: ffffed103ee2a590 [ 59.116225][ C1] R10: ffffed103ee2a590 R11: 1ffff1103ee2a58f R12: ffff888110c77070 [ 59.124441][ C1] R13: dffffc0000000000 R14: ffff8881f715b460 R15: ffff888110c77070 [ 59.132418][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 59.141366][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.147939][ C1] CR2: 00007fdd38a84ff8 CR3: 000000011a98d000 CR4: 00000000003506a0 [ 59.156058][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.164001][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.171953][ C1] Call Trace: [ 59.175220][ C1] [ 59.178155][ C1] insert_work+0xfc/0x330 [ 59.182490][ C1] __queue_work+0x99e/0xe20 [ 59.187173][ C1] queue_work_on+0xbe/0x110 [ 59.191765][ C1] css_release+0xc0/0xd0 [ 59.195999][ C1] percpu_ref_switch_to_atomic_rcu+0x5be/0x5e0 [ 59.202128][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 59.208190][ C1] rcu_do_batch+0x4ad/0xb00 [ 59.217628][ C1] rcu_core+0x64a/0xdf0 [ 59.221856][ C1] rcu_core_si+0x9/0x10 [ 59.226005][ C1] __do_softirq+0x253/0x67b [ 59.230477][ C1] asm_call_irq_on_stack+0xf/0x20 [ 59.235667][ C1] [ 59.238590][ C1] do_softirq_own_stack+0x60/0x80 [ 59.243611][ C1] __irq_exit_rcu+0x152/0x1e0 [ 59.248543][ C1] irq_exit_rcu+0x9/0x10 [ 59.252833][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 59.258536][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 59.264578][ C1] RIP: 0010:acpi_idle_do_entry+0xbb/0x1f0 [ 59.270618][ C1] Code: 89 de 48 83 e6 08 31 ff e8 62 51 0a fd 48 83 e3 08 0f 85 ae 00 00 00 e9 0c 00 00 00 e8 2e 4c 0a fd 0f 00 2d 17 35 ab 00 fb f4 e9 a1 00 00 00 49 83 c6 04 4c 89 f0 48 c1 e8 03 42 8a 04 38 84 [ 59.290284][ C1] RSP: 0018:ffffc900000e7d58 EFLAGS: 00000246 [ 59.296333][ C1] RAX: 1ffff110200477a0 RBX: 0000000000000000 RCX: 0000000000000000 [ 59.304368][ C1] RDX: ffff88810023bd00 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.312577][ C1] RBP: ffffc900000e7d70 R08: ffffffff845ec28e R09: ffffed10200477a1 [ 59.321215][ C1] R10: ffffed10200477a1 R11: 1ffff110200477a0 R12: 0000000000000001 [ 59.329154][ C1] R13: ffff888105af5004 R14: ffff888101be4864 R15: dffffc0000000000 [ 59.337115][ C1] ? acpi_idle_do_entry+0x9e/0x1f0 [ 59.342215][ C1] ? acpi_idle_do_entry+0x9e/0x1f0 [ 59.347355][ C1] acpi_idle_enter+0x32d/0x4f0 [ 59.352115][ C1] ? rcu_dynticks_eqs_enter+0xa/0x40 [ 59.357733][ C1] cpuidle_enter_state+0x4c8/0x10d0 [ 59.362902][ C1] cpuidle_enter+0x5f/0xa0 [ 59.367295][ C1] do_idle+0x3a8/0x540 [ 59.371523][ C1] cpu_startup_entry+0x25/0x30 [ 59.376292][ C1] start_secondary+0xd7/0xe0 [ 59.381658][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 59.387530][ C1] Modules linked in: [ 59.391523][ C1] ---[ end trace 5d19eefdfba7e805 ]--- [ 59.396963][ C1] RIP: 0010:__list_add_valid+0xde/0xf0 [ 59.402405][ C1] Code: f1 31 c0 e8 f7 6a 1c 02 0f 0b 48 c7 c7 50 42 d6 85 e8 b6 f2 19 00 48 c7 c7 40 03 03 85 4c 89 f6 4c 89 e1 31 c0 e8 d5 6a 1c 02 <0f> 0b 48 c7 c7 60 42 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 59.421984][ C1] RSP: 0018:ffffc90000150bc0 EFLAGS: 00010046 [ 59.428113][ C1] RAX: 0000000000000075 RBX: ffff8881f715b468 RCX: 9e56686f19cc8900 [ 59.436056][ C1] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 59.444006][ C1] RBP: ffffc90000150be8 R08: ffffffff81514568 R09: ffffed103ee2a590 [ 59.452041][ C1] R10: ffffed103ee2a590 R11: 1ffff1103ee2a58f R12: ffff888110c77070 [ 59.459987][ C1] R13: dffffc0000000000 R14: ffff8881f715b460 R15: ffff888110c77070 [ 59.467928][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 59.476824][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.483917][ C1] CR2: 00007fdd38a84ff8 CR3: 000000011a98d000 CR4: 00000000003506a0 [ 59.491969][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.500003][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.508057][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 60.647872][ C1] Shutting down cpus with NMI [ 60.652816][ C1] Kernel Offset: disabled [ 60.657125][ C1] Rebooting in 86400 seconds..