[ 26.059877][ T371] !!! css_create !!! [ 26.064606][ T371] !!! css_create !!! [ 26.069097][ T371] !!! css_create !!! [ 26.073921][ T371] !!! css_create !!! [ 26.077886][ T371] !!! css_create !!! [ 26.082205][ T371] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 26.531818][ T7] device bridge_slave_1 left promiscuous mode [ 26.538002][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.546023][ T7] device bridge_slave_0 left promiscuous mode [ 26.552309][ T7] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.0.221' (ECDSA) to the list of known hosts. 2022/05/31 18:02:55 parsed 1 programs [ 43.801011][ T22] kauditd_printk_skb: 66 callbacks suppressed [ 43.801018][ T22] audit: type=1400 audit(1654020175.959:149): avc: denied { mounton } for pid=400 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 43.801932][ T400] cgroup: Unknown subsys name 'net' [ 43.836305][ T400] cgroup: Unknown subsys name 'devices' [ 43.843016][ T400] cgroup: Unknown subsys name 'hugetlb' 2022/05/31 18:02:56 executed programs: 0 [ 43.848834][ T400] cgroup: Unknown subsys name 'rlimit' [ 43.855265][ T22] audit: type=1400 audit(1654020176.019:150): avc: denied { mounton } for pid=400 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 43.900687][ T22] audit: type=1400 audit(1654020176.019:151): avc: denied { mount } for pid=400 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 43.938313][ T22] audit: type=1400 audit(1654020176.019:152): avc: denied { mounton } for pid=404 comm="syz-executor.2" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 43.963803][ T22] audit: type=1400 audit(1654020176.019:153): avc: denied { module_request } for pid=404 comm="syz-executor.2" kmod="netdev-nr2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 43.988608][ T404] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.995990][ T404] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.003413][ T404] device bridge_slave_0 entered promiscuous mode [ 44.010373][ T404] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.017982][ T404] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.025486][ T404] device bridge_slave_1 entered promiscuous mode [ 44.072057][ T409] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.079108][ T409] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.086622][ T409] device bridge_slave_0 entered promiscuous mode [ 44.102818][ T409] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.109984][ T409] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.117593][ T409] device bridge_slave_1 entered promiscuous mode [ 44.152874][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.160067][ T418] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.167671][ T418] device bridge_slave_0 entered promiscuous mode [ 44.179472][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.186628][ T410] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.194153][ T410] device bridge_slave_0 entered promiscuous mode [ 44.203233][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.210275][ T410] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.217829][ T410] device bridge_slave_1 entered promiscuous mode [ 44.235093][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.242308][ T418] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.250037][ T418] device bridge_slave_1 entered promiscuous mode [ 44.273281][ T414] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.280748][ T414] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.288509][ T414] device bridge_slave_0 entered promiscuous mode [ 44.334924][ T414] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.342083][ T414] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.349359][ T414] device bridge_slave_1 entered promiscuous mode [ 44.392980][ T409] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.400242][ T409] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.407802][ T409] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.415233][ T409] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.427954][ T404] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.435021][ T404] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.442415][ T404] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.449467][ T404] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.467334][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.474442][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.482496][ T417] device bridge_slave_0 entered promiscuous mode [ 44.491933][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.499243][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.507484][ T417] device bridge_slave_1 entered promiscuous mode [ 44.517567][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.524953][ T410] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.532362][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.539395][ T410] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.561704][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.570076][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.578845][ T73] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.586533][ T73] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.594136][ T73] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.601474][ T73] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.609468][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.616893][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.667428][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.692242][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.700559][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.709792][ T383] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.717610][ T383] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.726062][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.734536][ T383] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.741906][ T383] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.749396][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.757094][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.778818][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.787285][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.811317][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.820293][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.828574][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.837544][ T381] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.844596][ T381] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.852285][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.860952][ T381] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.868034][ T381] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.881815][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.890503][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.898590][ T73] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.926437][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.934967][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.943270][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.951435][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.972835][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.981157][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.989829][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.998462][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.006878][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.015119][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.023135][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.031143][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.039424][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 45.047833][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.056411][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.063924][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.082118][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.089693][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.097608][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.106128][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.114854][ T381] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.122240][ T381] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.135004][ T22] audit: type=1400 audit(1654020177.299:154): avc: denied { mount } for pid=410 comm="syz-executor.3" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 45.135282][ T410] !!! css_create !!! [ 45.165510][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.165799][ T410] !!! css_create !!! [ 45.173734][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.177454][ T410] !!! css_create !!! [ 45.185698][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.190203][ T410] !!! css_create !!! [ 45.197677][ T23] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.208654][ T23] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.216648][ T410] !!! css_create !!! [ 45.216702][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.223037][ T410] !!! css_create !!! [ 45.232103][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.236213][ T410] !!! css_create !!! [ 45.243582][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.247703][ T410] !!! css_create !!! [ 45.256184][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.268544][ T23] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.275772][ T23] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.297666][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.305587][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 45.312006][ T22] audit: type=1400 audit(1654020177.469:155): avc: denied { mounton } for pid=435 comm="syz-executor.3" path="/root/syzkaller-testdir2454065988/syzkaller.YSRl7S/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 45.315154][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.350449][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 45.359823][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.367882][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 45.376112][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.384527][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.392780][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.401040][ T107] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.408080][ T107] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.431237][ T404] !!! css_create !!! [ 45.436857][ C0] !!! css_killed_ref_fn css ffff88811bdad000 !!! [ 45.443433][ C0] !!! css_killed_ref_fn css ffff88810bbab400 !!! [ 45.450369][ T404] !!! css_create !!! [ 45.455761][ T372] !!! css_release css ffff88811bdad000 !!! [ 45.461850][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.462101][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.471092][ T372] !!! css_put is zero set CSS_NO_REF css ffff88811bdad000 !!! [ 45.478854][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.485930][ T404] !!! css_create !!! [ 45.494133][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.505401][ T404] !!! css_create !!! [ 45.505940][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.509520][ T376] !!! css_release css ffff88810bbab400 !!! [ 45.517370][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.523587][ T376] !!! css_put is zero set CSS_NO_REF css ffff88810bbab400 !!! [ 45.531153][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.538828][ T436] !!! css_create !!! [ 45.546892][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.550917][ T436] !!! css_create !!! [ 45.558826][ T383] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.563374][ T436] !!! css_create !!! [ 45.569752][ T383] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.569992][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.574129][ T436] FAULT_INJECTION: forcing a failure. [ 45.574129][ T436] name failslab, interval 1, probability 0, space 0, times 1 [ 45.581472][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.589679][ T436] CPU: 0 PID: 436 Comm: syz-executor.3 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 45.602114][ T383] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.609864][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.609870][ T436] Call Trace: [ 45.609891][ T436] dump_stack+0x19c/0x1e2 [ 45.609911][ T436] should_fail+0x3f7/0x5b0 [ 45.620266][ T383] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.627489][ T436] __should_failslab+0xd2/0x130 [ 45.627506][ T436] should_failslab+0x9/0x20 [ 45.637839][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 45.641067][ T436] slab_pre_alloc_hook+0x25/0xe0 [ 45.641078][ T436] kmem_cache_alloc_trace+0x47/0x2b0 [ 45.641087][ T436] ? percpu_ref_init+0xd0/0x330 [ 45.641105][ T436] percpu_ref_init+0xd0/0x330 [ 45.645779][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.649824][ T436] ? cgroup_setup_root+0x8a0/0x8a0 [ 45.649835][ T436] cgroup_apply_control_enable+0x49f/0xfc0 [ 45.649853][ T436] cgroup_apply_control+0x36/0x710 [ 45.657415][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 45.661890][ T436] ? init_wait_entry+0xe0/0xe0 [ 45.661901][ T436] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.661920][ T436] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.666826][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.674589][ T436] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.674599][ T436] cgroup_file_write+0x22f/0x4f0 [ 45.674617][ T436] kernfs_fop_write_iter+0x2cd/0x410 [ 45.679762][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.684823][ T436] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.684834][ T436] vfs_write+0xb57/0xe50 [ 45.684844][ T436] ksys_write+0x157/0x260 [ 45.684862][ T436] __x64_sys_write+0x7b/0x90 [ 45.690086][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.694395][ T436] do_syscall_64+0x34/0x70 [ 45.694406][ T436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.694414][ T436] RIP: 0033:0x7f69bf5f50e9 [ 45.694431][ T436] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.702841][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.707852][ T436] RSP: 002b:00007f69bf56b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.707866][ T436] RAX: ffffffffffffffda RBX: 00007f69bf707f60 RCX: 00007f69bf5f50e9 [ 45.707871][ T436] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.707878][ T436] RBP: 00007f69bf56b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.707893][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.714089][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.718893][ T436] R13: 00007ffe95941dbf R14: 00007f69bf56b300 R15: 0000000000022000 [ 45.901115][ T404] !!! css_create !!! [ 45.901782][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.906019][ T22] audit: type=1400 audit(1654020178.069:156): avc: denied { append } for pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 45.913028][ C0] !!! css_killed_ref_fn css ffff88810bef7c00 !!! [ 45.913045][ C0] !!! css_killed_ref_fn css ffff88810bef4000 !!! [ 45.913380][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.936137][ T404] !!! css_create !!! [ 45.942344][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 45.950119][ T404] !!! css_create !!! [ 45.956861][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.968149][ T22] audit: type=1400 audit(1654020178.069:157): avc: denied { open } for pid=141 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 45.968964][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 45.972507][ T22] audit: type=1400 audit(1654020178.069:158): avc: denied { getattr } for pid=141 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 45.980912][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.040946][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.049140][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.057628][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.066105][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.087884][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.088113][ T376] !!! css_release css ffff88810bef7c00 !!! [ 46.102186][ T376] !!! css_put is zero set CSS_NO_REF css ffff88810bef7c00 !!! [ 46.102504][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.118488][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.124987][ T5] !!! css_release css ffff88810bef4000 !!! [ 46.126380][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.134124][ T5] !!! css_put is zero set CSS_NO_REF css ffff88810bef4000 !!! [ 46.141663][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.155697][ T441] !!! css_create !!! [ 46.161054][ T441] !!! css_create !!! [ 46.165673][ T441] !!! css_create !!! [ 46.170807][ T441] FAULT_INJECTION: forcing a failure. [ 46.170807][ T441] name failslab, interval 1, probability 0, space 0, times 0 [ 46.191622][ T441] CPU: 1 PID: 441 Comm: syz-executor.2 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 46.202302][ T441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.212516][ T441] Call Trace: [ 46.216225][ T441] dump_stack+0x19c/0x1e2 [ 46.220629][ T441] should_fail+0x3f7/0x5b0 [ 46.225224][ T441] __should_failslab+0xd2/0x130 [ 46.230307][ T441] should_failslab+0x9/0x20 [ 46.234895][ T441] slab_pre_alloc_hook+0x25/0xe0 [ 46.239919][ T441] ? __kernfs_new_node+0x4c/0x6d0 [ 46.244953][ T441] __kmalloc_track_caller+0x70/0x300 [ 46.250225][ T441] ? __kernfs_new_node+0x4c/0x6d0 [ 46.255232][ T441] kstrdup_const+0x55/0x90 [ 46.259628][ T441] __kernfs_new_node+0x4c/0x6d0 [ 46.264545][ T441] ? string+0x29f/0x2b0 [ 46.268692][ T441] ? vsnprintf+0x1a6c/0x1b30 [ 46.273372][ T441] kernfs_new_node+0x97/0x170 [ 46.278029][ T441] __kernfs_create_file+0x4a/0x270 [ 46.283117][ T441] cgroup_addrm_files+0x99e/0xeb0 [ 46.288131][ T441] ? delete_node+0x747/0x7a0 [ 46.292810][ T441] css_populate_dir+0x137/0x370 [ 46.297755][ T441] cgroup_apply_control_enable+0x31e/0xfc0 [ 46.303551][ T441] cgroup_apply_control+0x36/0x710 [ 46.308855][ T441] ? init_wait_entry+0xe0/0xe0 [ 46.313800][ T441] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.319070][ T441] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.325041][ T441] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.331117][ T441] cgroup_file_write+0x22f/0x4f0 [ 46.336042][ T441] kernfs_fop_write_iter+0x2cd/0x410 [ 46.341320][ T441] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.346423][ T441] vfs_write+0xb57/0xe50 [ 46.350647][ T441] ksys_write+0x157/0x260 [ 46.354955][ T441] __x64_sys_write+0x7b/0x90 [ 46.359537][ T441] do_syscall_64+0x34/0x70 [ 46.363967][ T441] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.369989][ T441] RIP: 0033:0x7f9e45a900e9 [ 46.374743][ T441] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.395255][ T441] RSP: 002b:00007f9e45a06168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.403946][ T441] RAX: ffffffffffffffda RBX: 00007f9e45ba2f60 RCX: 00007f9e45a900e9 [ 46.411919][ T441] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.419882][ T441] RBP: 00007f9e45a061d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.428403][ T441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.436555][ T441] R13: 00007ffc96e682ff R14: 00007f9e45a06300 R15: 0000000000022000 [ 46.449150][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.450217][ T441] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.458236][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.467314][ T414] !!! css_create !!! [ 46.472988][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.476889][ T414] !!! css_create !!! [ 46.485944][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.491561][ C1] !!! css_killed_ref_fn css ffff88810b6de400 !!! [ 46.500898][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.503239][ C1] !!! css_killed_ref_fn css ffff88810b6df400 !!! [ 46.503246][ C1] !!! css_killed_ref_fn css ffff88810b811000 !!! [ 46.506152][ T18] !!! css_release css ffff88810b6de400 !!! [ 46.511965][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.524674][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810b6de400 !!! [ 46.545523][ T414] !!! css_create !!! [ 46.562083][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.562556][ T414] !!! css_create !!! [ 46.570247][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.574597][ T23] !!! css_release css ffff88810b6df400 !!! [ 46.588565][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810b6df400 !!! [ 46.597660][ T18] !!! css_release css ffff88810b811000 !!! [ 46.604232][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810b811000 !!! [ 46.613470][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.613635][ T414] !!! css_create !!! [ 46.623007][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.626352][ T414] !!! css_create !!! [ 46.634363][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.637995][ T414] !!! css_create !!! [ 46.646373][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.660329][ T459] !!! css_create !!! [ 46.664578][ T459] !!! css_create !!! [ 46.668765][ T459] !!! css_create !!! [ 46.673419][ T459] FAULT_INJECTION: forcing a failure. [ 46.673419][ T459] name failslab, interval 1, probability 0, space 0, times 0 [ 46.686744][ T459] CPU: 0 PID: 459 Comm: syz-executor.2 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 46.696900][ T459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.707004][ T459] Call Trace: [ 46.710293][ T459] dump_stack+0x19c/0x1e2 [ 46.714620][ T459] should_fail+0x3f7/0x5b0 [ 46.719017][ T459] __should_failslab+0xd2/0x130 [ 46.723943][ T459] ? __kernfs_new_node+0x97/0x6d0 [ 46.728947][ T459] should_failslab+0x9/0x20 [ 46.733439][ T459] slab_pre_alloc_hook+0x25/0xe0 [ 46.738391][ T459] ? __kernfs_new_node+0x97/0x6d0 [ 46.743444][ T459] kmem_cache_alloc+0x40/0x2a0 [ 46.748193][ T459] __kernfs_new_node+0x97/0x6d0 [ 46.753020][ T459] ? string+0x29f/0x2b0 [ 46.757256][ T459] ? vsnprintf+0x1a6c/0x1b30 [ 46.761830][ T459] kernfs_new_node+0x97/0x170 [ 46.766503][ T459] __kernfs_create_file+0x4a/0x270 [ 46.771601][ T459] cgroup_addrm_files+0x99e/0xeb0 [ 46.776623][ T459] ? delete_node+0x747/0x7a0 [ 46.781194][ T459] css_populate_dir+0x137/0x370 [ 46.786024][ T459] cgroup_apply_control_enable+0x31e/0xfc0 [ 46.791817][ T459] cgroup_apply_control+0x36/0x710 [ 46.796901][ T459] ? init_wait_entry+0xe0/0xe0 [ 46.801639][ T459] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.806901][ T459] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.812854][ T459] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.818945][ T459] cgroup_file_write+0x22f/0x4f0 [ 46.823878][ T459] kernfs_fop_write_iter+0x2cd/0x410 [ 46.829663][ T459] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.834783][ T459] vfs_write+0xb57/0xe50 [ 46.839029][ T459] ksys_write+0x157/0x260 [ 46.843466][ T459] __x64_sys_write+0x7b/0x90 [ 46.848046][ T459] do_syscall_64+0x34/0x70 [ 46.852463][ T459] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.858347][ T459] RIP: 0033:0x7f9e45a900e9 [ 46.862939][ T459] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.883500][ T459] RSP: 002b:00007f9e459e5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.892225][ T459] RAX: ffffffffffffffda RBX: 00007f9e45ba3030 RCX: 00007f9e45a900e9 [ 46.900197][ T459] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.908423][ T459] RBP: 00007f9e459e51d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.917283][ T459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.925600][ T459] R13: 00007ffc96e682ff R14: 00007f9e459e5300 R15: 0000000000022000 [ 46.935044][ T459] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.944691][ T417] !!! css_create !!! [ 46.948971][ T417] !!! css_create !!! [ 46.955496][ T417] !!! css_create !!! [ 46.960334][ T417] !!! css_create !!! [ 46.965313][ T418] !!! css_create !!! [ 46.969314][ T418] !!! css_create !!! [ 46.975999][ T417] !!! css_create !!! [ 46.977222][ C0] !!! css_killed_ref_fn css ffff88810c650800 !!! [ 46.980126][ T417] !!! css_create !!! [ 46.987016][ C0] !!! css_killed_ref_fn css ffff88810c651800 !!! [ 46.987025][ C0] !!! css_killed_ref_fn css ffff88810c650000 !!! [ 47.004203][ T417] !!! css_create !!! [ 47.010529][ T418] !!! css_create !!! [ 47.015525][ T418] !!! css_create !!! [ 47.019887][ T447] !!! css_release css ffff88810c650800 !!! [ 47.026602][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810c650800 !!! [ 47.034744][ T447] !!! css_release css ffff88810c651800 !!! [ 47.040829][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810c651800 !!! [ 47.048811][ T418] !!! css_create !!! [ 47.052902][ T418] !!! css_create !!! [ 47.056865][ T418] !!! css_create !!! [ 47.060968][ T447] !!! css_release css ffff88810c650000 !!! [ 47.066987][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810c650000 !!! [ 47.074725][ T473] !!! css_create !!! [ 47.078786][ T473] !!! css_create !!! [ 47.082982][ T473] !!! css_create !!! [ 47.086962][ T473] FAULT_INJECTION: forcing a failure. [ 47.086962][ T473] name failslab, interval 1, probability 0, space 0, times 0 [ 47.099999][ T473] CPU: 1 PID: 473 Comm: syz-executor.1 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 47.110144][ T473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.120192][ T473] Call Trace: [ 47.123473][ T473] dump_stack+0x19c/0x1e2 [ 47.127793][ T473] should_fail+0x3f7/0x5b0 [ 47.132190][ T473] __should_failslab+0xd2/0x130 [ 47.137028][ T473] should_failslab+0x9/0x20 [ 47.141591][ T473] slab_pre_alloc_hook+0x25/0xe0 [ 47.146519][ T473] ? __kernfs_new_node+0x4c/0x6d0 [ 47.151561][ T473] __kmalloc_track_caller+0x70/0x300 [ 47.157145][ T473] ? __kernfs_new_node+0x4c/0x6d0 [ 47.162772][ T473] kstrdup_const+0x55/0x90 [ 47.167263][ T473] __kernfs_new_node+0x4c/0x6d0 [ 47.172187][ T473] ? string+0x29f/0x2b0 [ 47.176581][ T473] ? vsnprintf+0x1a6c/0x1b30 [ 47.181165][ T473] kernfs_new_node+0x97/0x170 [ 47.186040][ T473] __kernfs_create_file+0x4a/0x270 [ 47.191240][ T473] cgroup_addrm_files+0x99e/0xeb0 [ 47.196345][ T473] ? delete_node+0x747/0x7a0 [ 47.200964][ T473] css_populate_dir+0x137/0x370 [ 47.205807][ T473] cgroup_apply_control_enable+0x31e/0xfc0 [ 47.211614][ T473] cgroup_apply_control+0x36/0x710 [ 47.216846][ T473] ? init_wait_entry+0xe0/0xe0 [ 47.221699][ T473] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.226966][ T473] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.233198][ T473] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.239182][ T473] cgroup_file_write+0x22f/0x4f0 [ 47.244330][ T473] kernfs_fop_write_iter+0x2cd/0x410 [ 47.249616][ T473] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.254806][ T473] vfs_write+0xb57/0xe50 [ 47.259158][ T473] ksys_write+0x157/0x260 [ 47.263477][ T473] __x64_sys_write+0x7b/0x90 [ 47.268448][ T473] do_syscall_64+0x34/0x70 [ 47.272861][ T473] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.279302][ T473] RIP: 0033:0x7fad5fff10e9 [ 47.283888][ 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 [ 47.304352][ T473] RSP: 002b:00007fad5ff46168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.312854][ T473] RAX: ffffffffffffffda RBX: 00007fad60104030 RCX: 00007fad5fff10e9 [ 47.320822][ T473] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.328783][ T473] RBP: 00007fad5ff461d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.336916][ T473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.344868][ T473] R13: 00007ffc20093fdf R14: 00007fad5ff46300 R15: 0000000000022000 [ 47.356019][ T473] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.391629][ C0] !!! css_killed_ref_fn css ffff88810cdcd400 !!! [ 47.398537][ C0] !!! css_killed_ref_fn css ffff88810d4c1000 !!! [ 47.404876][ C0] !!! css_killed_ref_fn css ffff88810d4c1c00 !!! [ 47.411492][ T447] !!! css_release css ffff88810cdcd400 !!! [ 47.417437][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810cdcd400 !!! [ 47.425567][ T447] !!! css_release css ffff88810d4c1000 !!! [ 47.431569][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810d4c1000 !!! [ 47.439456][ T447] !!! css_release css ffff88810d4c1c00 !!! [ 47.445853][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810d4c1c00 !!! [ 47.454324][ T475] !!! css_create !!! [ 47.458789][ T475] !!! css_create !!! [ 47.463172][ T475] !!! css_create !!! [ 47.467638][ T475] FAULT_INJECTION: forcing a failure. [ 47.467638][ T475] name failslab, interval 1, probability 0, space 0, times 0 [ 47.481458][ T475] CPU: 0 PID: 475 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 47.492169][ T475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.502478][ T475] Call Trace: [ 47.505849][ T475] dump_stack+0x19c/0x1e2 [ 47.510177][ T475] should_fail+0x3f7/0x5b0 [ 47.514586][ T475] __should_failslab+0xd2/0x130 [ 47.519426][ T475] ? __kernfs_new_node+0x97/0x6d0 [ 47.524434][ T475] should_failslab+0x9/0x20 [ 47.528929][ T475] slab_pre_alloc_hook+0x25/0xe0 [ 47.533933][ T475] ? __kernfs_new_node+0x97/0x6d0 [ 47.538936][ T475] kmem_cache_alloc+0x40/0x2a0 [ 47.544037][ T475] __kernfs_new_node+0x97/0x6d0 [ 47.548883][ T475] ? string+0x29f/0x2b0 [ 47.553032][ T475] ? vsnprintf+0x1a6c/0x1b30 [ 47.557617][ T475] kernfs_new_node+0x97/0x170 [ 47.562286][ T475] __kernfs_create_file+0x4a/0x270 [ 47.567768][ T475] cgroup_addrm_files+0x99e/0xeb0 [ 47.572988][ T475] ? delete_node+0x747/0x7a0 [ 47.577731][ T475] css_populate_dir+0x137/0x370 [ 47.583100][ T475] cgroup_apply_control_enable+0x31e/0xfc0 [ 47.588908][ T475] cgroup_apply_control+0x36/0x710 [ 47.594373][ T475] ? init_wait_entry+0xe0/0xe0 [ 47.599163][ T475] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.604454][ T475] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.610703][ T475] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.616773][ T475] cgroup_file_write+0x22f/0x4f0 [ 47.621853][ T475] kernfs_fop_write_iter+0x2cd/0x410 [ 47.627936][ T475] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.633203][ T475] vfs_write+0xb57/0xe50 [ 47.637436][ T475] ksys_write+0x157/0x260 [ 47.641765][ T475] __x64_sys_write+0x7b/0x90 [ 47.646432][ T475] do_syscall_64+0x34/0x70 [ 47.650841][ T475] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.656811][ T475] RIP: 0033:0x7f67fbf350e9 [ 47.661247][ T475] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.680850][ T475] RSP: 002b:00007f67fbe8a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.689252][ T475] RAX: ffffffffffffffda RBX: 00007f67fc048030 RCX: 00007f67fbf350e9 [ 47.697852][ T475] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.706351][ T475] RBP: 00007f67fbe8a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.714314][ T475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.722273][ T475] R13: 00007ffeddff177f R14: 00007f67fbe8a300 R15: 0000000000022000 [ 47.731679][ T475] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.752581][ C0] !!! css_killed_ref_fn css ffff88810d6b4800 !!! [ 47.758965][ C0] !!! css_killed_ref_fn css ffff88810d719800 !!! [ 47.765557][ C0] !!! css_killed_ref_fn css ffff88810d71a000 !!! [ 47.772512][ T447] !!! css_release css ffff88810d6b4800 !!! [ 47.778399][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810d6b4800 !!! [ 47.785991][ T447] !!! css_release css ffff88810d719800 !!! [ 47.791815][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810d719800 !!! [ 47.799702][ T447] !!! css_release css ffff88810d71a000 !!! [ 47.805721][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810d71a000 !!! [ 47.813286][ T482] !!! css_create !!! [ 47.817313][ T482] !!! css_create !!! [ 47.821397][ T482] !!! css_create !!! [ 47.825592][ T482] FAULT_INJECTION: forcing a failure. [ 47.825592][ T482] name failslab, interval 1, probability 0, space 0, times 0 [ 47.838797][ T482] CPU: 0 PID: 482 Comm: syz-executor.4 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 47.849537][ T482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.859568][ T482] Call Trace: [ 47.862862][ T482] dump_stack+0x19c/0x1e2 [ 47.867195][ T482] should_fail+0x3f7/0x5b0 [ 47.871722][ T482] __should_failslab+0xd2/0x130 [ 47.876671][ T482] should_failslab+0x9/0x20 [ 47.882134][ T482] slab_pre_alloc_hook+0x25/0xe0 [ 47.887175][ T482] ? __kernfs_new_node+0x4c/0x6d0 [ 47.892534][ T482] __kmalloc_track_caller+0x70/0x300 [ 47.897823][ T482] ? __kernfs_new_node+0x4c/0x6d0 [ 47.902999][ T482] kstrdup_const+0x55/0x90 [ 47.907617][ T482] __kernfs_new_node+0x4c/0x6d0 [ 47.912479][ T482] ? string+0x29f/0x2b0 [ 47.916618][ T482] ? vsnprintf+0x1a6c/0x1b30 [ 47.921240][ T482] kernfs_new_node+0x97/0x170 [ 47.926035][ T482] __kernfs_create_file+0x4a/0x270 [ 47.931233][ T482] cgroup_addrm_files+0x99e/0xeb0 [ 47.936252][ T482] ? delete_node+0x747/0x7a0 [ 47.941047][ T482] css_populate_dir+0x137/0x370 [ 47.946161][ T482] cgroup_apply_control_enable+0x31e/0xfc0 [ 47.952098][ T482] cgroup_apply_control+0x36/0x710 [ 47.957486][ T482] ? init_wait_entry+0xe0/0xe0 [ 47.962373][ T482] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.967668][ T482] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.973636][ T482] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.979678][ T482] cgroup_file_write+0x22f/0x4f0 [ 47.984593][ T482] kernfs_fop_write_iter+0x2cd/0x410 [ 47.990030][ T482] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.995293][ T482] vfs_write+0xb57/0xe50 [ 47.999513][ T482] ksys_write+0x157/0x260 [ 48.003836][ T482] __x64_sys_write+0x7b/0x90 [ 48.008437][ T482] do_syscall_64+0x34/0x70 [ 48.012865][ T482] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.018828][ T482] RIP: 0033:0x7f53d6e970e9 [ 48.023242][ T482] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.042863][ T482] RSP: 002b:00007f53d6dec168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.051278][ T482] RAX: ffffffffffffffda RBX: 00007f53d6faa030 RCX: 00007f53d6e970e9 [ 48.059647][ T482] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.067704][ T482] RBP: 00007f53d6dec1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.075828][ T482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.083806][ T482] R13: 00007ffc0887facf R14: 00007f53d6dec300 R15: 0000000000022000 [ 48.092047][ T482] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.111858][ C1] !!! css_killed_ref_fn css ffff88810d57a800 !!! [ 48.118355][ T107] !!! css_release css ffff88810d57a800 !!! [ 48.124316][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d57a800 !!! [ 48.132113][ C1] !!! css_killed_ref_fn css ffff88810d57a400 !!! [ 48.138536][ C1] !!! css_killed_ref_fn css ffff88810d4af800 !!! [ 48.145450][ T107] !!! css_release css ffff88810d57a400 !!! [ 48.151452][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d57a400 !!! [ 48.159548][ T107] !!! css_release css ffff88810d4af800 !!! [ 48.165675][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810d4af800 !!! [ 48.173418][ T477] !!! css_create !!! [ 48.177355][ T477] !!! css_create !!! [ 48.181271][ T477] !!! css_create !!! [ 48.185390][ T477] FAULT_INJECTION: forcing a failure. [ 48.185390][ T477] name failslab, interval 1, probability 0, space 0, times 0 [ 48.198826][ T477] CPU: 0 PID: 477 Comm: syz-executor.5 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 48.209357][ T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.219788][ T477] Call Trace: [ 48.223374][ T477] dump_stack+0x19c/0x1e2 [ 48.228164][ T477] should_fail+0x3f7/0x5b0 [ 48.232577][ T477] __should_failslab+0xd2/0x130 [ 48.237613][ T477] should_failslab+0x9/0x20 [ 48.242321][ T477] slab_pre_alloc_hook+0x25/0xe0 [ 48.247409][ T477] kmem_cache_alloc_trace+0x47/0x2b0 [ 48.252850][ T477] ? percpu_ref_init+0xd0/0x330 [ 48.257712][ T477] percpu_ref_init+0xd0/0x330 [ 48.262467][ T477] ? cgroup_setup_root+0x8a0/0x8a0 [ 48.268070][ T477] cgroup_apply_control_enable+0x49f/0xfc0 [ 48.273974][ T477] cgroup_apply_control+0x36/0x710 [ 48.279078][ T477] ? init_wait_entry+0xe0/0xe0 [ 48.284046][ T477] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.289366][ T477] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.295438][ T477] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.301401][ T477] cgroup_file_write+0x22f/0x4f0 [ 48.306435][ T477] kernfs_fop_write_iter+0x2cd/0x410 [ 48.311703][ T477] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.316834][ T477] vfs_write+0xb57/0xe50 [ 48.321075][ T477] ksys_write+0x157/0x260 [ 48.325588][ T477] __x64_sys_write+0x7b/0x90 [ 48.330156][ T477] do_syscall_64+0x34/0x70 [ 48.334567][ T477] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.340627][ T477] RIP: 0033:0x7f3a13f7a0e9 [ 48.345015][ 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 [ 48.364603][ T477] RSP: 002b:00007f3a13ecf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.373128][ T477] RAX: ffffffffffffffda RBX: 00007f3a1408d030 RCX: 00007f3a13f7a0e9 [ 48.381084][ T477] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.391127][ T477] RBP: 00007f3a13ecf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.399079][ T477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.407033][ T477] R13: 00007ffc1c840aff R14: 00007f3a13ecf300 R15: 0000000000022000 [ 48.441706][ C1] !!! css_killed_ref_fn css ffff88810de38400 !!! [ 48.448464][ C1] !!! css_killed_ref_fn css ffff88810de3b800 !!! [ 48.455114][ T381] !!! css_release css ffff88810de38400 !!! [ 48.461788][ T381] !!! css_put is zero set CSS_NO_REF css ffff88810de38400 !!! [ 48.469721][ T381] !!! css_release css ffff88810de3b800 !!! [ 48.475895][ T381] !!! css_put is zero set CSS_NO_REF css ffff88810de3b800 !!! [ 48.483731][ T486] !!! css_create !!! [ 48.488008][ T486] !!! css_create !!! [ 48.492061][ T486] !!! css_create !!! [ 48.497451][ T486] FAULT_INJECTION: forcing a failure. [ 48.497451][ T486] name failslab, interval 1, probability 0, space 0, times 0 [ 48.510813][ T486] CPU: 1 PID: 486 Comm: syz-executor.4 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 48.521035][ T486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.531288][ T486] Call Trace: [ 48.534565][ T486] dump_stack+0x19c/0x1e2 [ 48.538904][ T486] should_fail+0x3f7/0x5b0 [ 48.543306][ T486] __should_failslab+0xd2/0x130 [ 48.548143][ T486] should_failslab+0x9/0x20 [ 48.552641][ T486] slab_pre_alloc_hook+0x25/0xe0 [ 48.557563][ T486] ? __kernfs_new_node+0x4c/0x6d0 [ 48.562570][ T486] __kmalloc_track_caller+0x70/0x300 [ 48.567836][ T486] ? __kernfs_new_node+0x4c/0x6d0 [ 48.572848][ T486] kstrdup_const+0x55/0x90 [ 48.577261][ T486] __kernfs_new_node+0x4c/0x6d0 [ 48.582181][ T486] ? string+0x29f/0x2b0 [ 48.586315][ T486] ? vsnprintf+0x1a6c/0x1b30 [ 48.590899][ T486] kernfs_new_node+0x97/0x170 [ 48.595568][ T486] __kernfs_create_file+0x4a/0x270 [ 48.600949][ T486] cgroup_addrm_files+0x99e/0xeb0 [ 48.606104][ T486] ? delete_node+0x747/0x7a0 [ 48.610895][ T486] css_populate_dir+0x137/0x370 [ 48.615757][ T486] cgroup_apply_control_enable+0x31e/0xfc0 [ 48.621571][ T486] cgroup_apply_control+0x36/0x710 [ 48.626762][ T486] ? init_wait_entry+0xe0/0xe0 [ 48.631889][ T486] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.637272][ T486] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.643334][ T486] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.649296][ T486] cgroup_file_write+0x22f/0x4f0 [ 48.654241][ T486] kernfs_fop_write_iter+0x2cd/0x410 [ 48.659535][ T486] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.664660][ T486] vfs_write+0xb57/0xe50 [ 48.669002][ T486] ksys_write+0x157/0x260 [ 48.673329][ T486] __x64_sys_write+0x7b/0x90 [ 48.677901][ T486] do_syscall_64+0x34/0x70 [ 48.682490][ T486] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.688374][ T486] RIP: 0033:0x7f53d6e970e9 [ 48.692781][ T486] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.712959][ T486] RSP: 002b:00007f53d6dec168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.722147][ T486] RAX: ffffffffffffffda RBX: 00007f53d6faa030 RCX: 00007f53d6e970e9 [ 48.730108][ T486] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.738146][ T486] RBP: 00007f53d6dec1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.746214][ T486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.754166][ T486] R13: 00007ffc0887facf R14: 00007f53d6dec300 R15: 0000000000022000 [ 48.763592][ T486] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.802104][ C1] !!! css_killed_ref_fn css ffff88810e064800 !!! [ 48.809061][ C1] !!! css_killed_ref_fn css ffff88810e067400 !!! [ 48.815453][ C1] !!! css_killed_ref_fn css ffff88810dfe9c00 !!! [ 48.821846][ T107] !!! css_release css ffff88810e064800 !!! [ 48.827678][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e064800 !!! [ 48.835498][ T107] !!! css_release css ffff88810e067400 !!! [ 48.841348][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e067400 !!! [ 48.849419][ T107] !!! css_release css ffff88810dfe9c00 !!! [ 48.855439][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810dfe9c00 !!! [ 48.863107][ T483] !!! css_create !!! [ 48.867838][ T483] !!! css_create !!! [ 48.871992][ T483] !!! css_create !!! [ 48.876098][ T483] FAULT_INJECTION: forcing a failure. [ 48.876098][ T483] name failslab, interval 1, probability 0, space 0, times 0 [ 48.889141][ T483] CPU: 1 PID: 483 Comm: syz-executor.1 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 48.899305][ T483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.909350][ T483] Call Trace: [ 48.912720][ T483] dump_stack+0x19c/0x1e2 [ 48.917074][ T483] should_fail+0x3f7/0x5b0 [ 48.921506][ T483] __should_failslab+0xd2/0x130 [ 48.926360][ T483] should_failslab+0x9/0x20 [ 48.930867][ T483] slab_pre_alloc_hook+0x25/0xe0 [ 48.935879][ T483] kmem_cache_alloc_trace+0x47/0x2b0 [ 48.942084][ T483] ? percpu_ref_init+0xd0/0x330 [ 48.946934][ T483] percpu_ref_init+0xd0/0x330 [ 48.951621][ T483] ? cgroup_setup_root+0x8a0/0x8a0 [ 48.956747][ T483] cgroup_apply_control_enable+0x49f/0xfc0 [ 48.962555][ T483] cgroup_apply_control+0x36/0x710 [ 48.968011][ T483] ? init_wait_entry+0xe0/0xe0 [ 48.972765][ T483] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.978072][ T483] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.984173][ T483] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.990226][ T483] cgroup_file_write+0x22f/0x4f0 [ 48.995163][ T483] kernfs_fop_write_iter+0x2cd/0x410 [ 49.000531][ T483] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.005651][ T483] vfs_write+0xb57/0xe50 [ 49.009921][ T483] ksys_write+0x157/0x260 [ 49.014258][ T483] __x64_sys_write+0x7b/0x90 [ 49.018862][ T483] do_syscall_64+0x34/0x70 [ 49.023271][ T483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.029275][ T483] RIP: 0033:0x7fad5fff10e9 [ 49.033773][ 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 2022/05/31 18:03:01 executed programs: 20 [ 49.053380][ T483] RSP: 002b:00007fad5ff46168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.061782][ T483] RAX: ffffffffffffffda RBX: 00007fad60104030 RCX: 00007fad5fff10e9 [ 49.070000][ T483] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.077981][ T483] RBP: 00007fad5ff461d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.086105][ T483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.094060][ T483] R13: 00007ffc20093fdf R14: 00007fad5ff46300 R15: 0000000000022000 [ 49.141584][ C0] !!! css_killed_ref_fn css ffff88810e192400 !!! [ 49.147988][ C0] !!! css_killed_ref_fn css ffff88810e192800 !!! [ 49.154745][ T456] !!! css_release css ffff88810e192400 !!! [ 49.160872][ T456] !!! css_put is zero set CSS_NO_REF css ffff88810e192400 !!! [ 49.168740][ T456] !!! css_release css ffff88810e192800 !!! [ 49.175013][ T456] !!! css_put is zero set CSS_NO_REF css ffff88810e192800 !!! [ 49.182664][ T476] !!! css_create !!! [ 49.186798][ T476] !!! css_create !!! [ 49.190940][ T476] !!! css_create !!! [ 49.194998][ T476] FAULT_INJECTION: forcing a failure. [ 49.194998][ T476] name failslab, interval 1, probability 0, space 0, times 0 [ 49.207916][ T476] CPU: 1 PID: 476 Comm: syz-executor.2 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 49.218104][ T476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.228492][ T476] Call Trace: [ 49.231839][ T476] dump_stack+0x19c/0x1e2 [ 49.236196][ T476] should_fail+0x3f7/0x5b0 [ 49.240591][ T476] __should_failslab+0xd2/0x130 [ 49.245422][ T476] should_failslab+0x9/0x20 [ 49.250063][ T476] slab_pre_alloc_hook+0x25/0xe0 [ 49.255009][ T476] ? __kernfs_new_node+0x4c/0x6d0 [ 49.260027][ T476] __kmalloc_track_caller+0x70/0x300 [ 49.265300][ T476] ? __kernfs_new_node+0x4c/0x6d0 [ 49.270419][ T476] kstrdup_const+0x55/0x90 [ 49.274820][ T476] __kernfs_new_node+0x4c/0x6d0 [ 49.279651][ T476] ? string+0x29f/0x2b0 [ 49.283804][ T476] ? vsnprintf+0x1a6c/0x1b30 [ 49.289205][ T476] kernfs_new_node+0x97/0x170 [ 49.294032][ T476] __kernfs_create_file+0x4a/0x270 [ 49.299265][ T476] cgroup_addrm_files+0x99e/0xeb0 [ 49.304274][ T476] ? delete_node+0x747/0x7a0 [ 49.308929][ T476] css_populate_dir+0x137/0x370 [ 49.313751][ T476] cgroup_apply_control_enable+0x31e/0xfc0 [ 49.319830][ T476] cgroup_apply_control+0x36/0x710 [ 49.325042][ T476] ? init_wait_entry+0xe0/0xe0 [ 49.329786][ T476] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.335073][ T476] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.341049][ T476] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.347028][ T476] cgroup_file_write+0x22f/0x4f0 [ 49.351958][ T476] kernfs_fop_write_iter+0x2cd/0x410 [ 49.357218][ T476] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.362332][ T476] vfs_write+0xb57/0xe50 [ 49.367101][ T476] ksys_write+0x157/0x260 [ 49.371451][ T476] __x64_sys_write+0x7b/0x90 [ 49.377175][ T476] do_syscall_64+0x34/0x70 [ 49.381860][ T476] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.388184][ T476] RIP: 0033:0x7f9e45a900e9 [ 49.393043][ T476] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.414394][ T476] RSP: 002b:00007f9e459e5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.422821][ T476] RAX: ffffffffffffffda RBX: 00007f9e45ba3030 RCX: 00007f9e45a900e9 [ 49.430882][ T476] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.439063][ T476] RBP: 00007f9e459e51d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.447105][ T476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.455520][ T476] R13: 00007ffc96e682ff R14: 00007f9e459e5300 R15: 0000000000022000 [ 49.465901][ T476] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.521621][ C0] !!! css_killed_ref_fn css ffff88810dfc4400 !!! [ 49.528087][ C0] !!! css_killed_ref_fn css ffff88810e12d400 !!! [ 49.534462][ C0] !!! css_killed_ref_fn css ffff88810d675400 !!! [ 49.540938][ T456] !!! css_release css ffff88810dfc4400 !!! [ 49.546943][ T456] !!! css_put is zero set CSS_NO_REF css ffff88810dfc4400 !!! [ 49.554850][ T456] !!! css_release css ffff88810e12d400 !!! [ 49.560646][ T456] !!! css_put is zero set CSS_NO_REF css ffff88810e12d400 !!! [ 49.568373][ T456] !!! css_release css ffff88810d675400 !!! [ 49.574730][ T456] !!! css_put is zero set CSS_NO_REF css ffff88810d675400 !!! [ 49.582632][ T492] !!! css_create !!! [ 49.586628][ T492] !!! css_create !!! [ 49.590919][ T492] !!! css_create !!! [ 49.594934][ T492] FAULT_INJECTION: forcing a failure. [ 49.594934][ T492] name failslab, interval 1, probability 0, space 0, times 0 [ 49.607724][ T492] CPU: 1 PID: 492 Comm: syz-executor.5 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 49.617864][ T492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.627921][ T492] Call Trace: [ 49.631206][ T492] dump_stack+0x19c/0x1e2 [ 49.635765][ T492] should_fail+0x3f7/0x5b0 [ 49.640258][ T492] __should_failslab+0xd2/0x130 [ 49.645224][ T492] should_failslab+0x9/0x20 [ 49.649959][ T492] slab_pre_alloc_hook+0x25/0xe0 [ 49.654953][ T492] ? __kernfs_new_node+0x4c/0x6d0 [ 49.660264][ T492] __kmalloc_track_caller+0x70/0x300 [ 49.665534][ T492] ? __kernfs_new_node+0x4c/0x6d0 [ 49.670557][ T492] kstrdup_const+0x55/0x90 [ 49.675181][ T492] __kernfs_new_node+0x4c/0x6d0 [ 49.680015][ T492] ? string+0x29f/0x2b0 [ 49.684451][ T492] ? vsnprintf+0x1a6c/0x1b30 [ 49.689390][ T492] kernfs_new_node+0x97/0x170 [ 49.694591][ T492] __kernfs_create_file+0x4a/0x270 [ 49.699711][ T492] cgroup_addrm_files+0x99e/0xeb0 [ 49.704720][ T492] ? delete_node+0x747/0x7a0 [ 49.709411][ T492] css_populate_dir+0x137/0x370 [ 49.714272][ T492] cgroup_apply_control_enable+0x31e/0xfc0 [ 49.720109][ T492] cgroup_apply_control+0x36/0x710 [ 49.725235][ T492] ? init_wait_entry+0xe0/0xe0 [ 49.729998][ T492] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.735281][ T492] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.741353][ T492] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.747333][ T492] cgroup_file_write+0x22f/0x4f0 [ 49.752290][ T492] kernfs_fop_write_iter+0x2cd/0x410 [ 49.757941][ T492] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.763050][ T492] vfs_write+0xb57/0xe50 [ 49.767331][ T492] ksys_write+0x157/0x260 [ 49.771731][ T492] __x64_sys_write+0x7b/0x90 [ 49.776324][ T492] do_syscall_64+0x34/0x70 [ 49.780906][ T492] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.786773][ T492] RIP: 0033:0x7f3a13f7a0e9 [ 49.791165][ T492] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.811054][ T492] RSP: 002b:00007f3a13ecf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.819451][ T492] RAX: ffffffffffffffda RBX: 00007f3a1408d030 RCX: 00007f3a13f7a0e9 [ 49.827621][ T492] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.835605][ T492] RBP: 00007f3a13ecf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.843586][ T492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.851559][ T492] R13: 00007ffc1c840aff R14: 00007f3a13ecf300 R15: 0000000000022000 [ 49.860251][ T492] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.891592][ C1] !!! css_killed_ref_fn css ffff88810e29a400 !!! [ 49.898350][ C1] !!! css_killed_ref_fn css ffff88810e29a800 !!! [ 49.905072][ C1] !!! css_killed_ref_fn css ffff88810e298400 !!! [ 49.912157][ T107] !!! css_release css ffff88810e29a400 !!! [ 49.918412][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e29a400 !!! [ 49.926585][ T107] !!! css_release css ffff88810e29a800 !!! [ 49.932474][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e29a800 !!! [ 49.940053][ T107] !!! css_release css ffff88810e298400 !!! [ 49.946242][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e298400 !!! [ 49.953858][ T491] !!! css_create !!! [ 49.958448][ T491] !!! css_create !!! [ 49.962515][ T491] !!! css_create !!! [ 49.966467][ T491] FAULT_INJECTION: forcing a failure. [ 49.966467][ T491] name failslab, interval 1, probability 0, space 0, times 0 [ 49.979432][ T491] CPU: 0 PID: 491 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 49.989673][ T491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.000173][ T491] Call Trace: [ 50.003667][ T491] dump_stack+0x19c/0x1e2 [ 50.007991][ T491] should_fail+0x3f7/0x5b0 [ 50.012434][ T491] __should_failslab+0xd2/0x130 [ 50.017282][ T491] should_failslab+0x9/0x20 [ 50.021796][ T491] slab_pre_alloc_hook+0x25/0xe0 [ 50.026941][ T491] kmem_cache_alloc_trace+0x47/0x2b0 [ 50.032233][ T491] ? percpu_ref_init+0xd0/0x330 [ 50.037188][ T491] percpu_ref_init+0xd0/0x330 [ 50.041877][ T491] ? cgroup_setup_root+0x8a0/0x8a0 [ 50.047010][ T491] cgroup_apply_control_enable+0x49f/0xfc0 [ 50.052808][ T491] cgroup_apply_control+0x36/0x710 [ 50.057908][ T491] ? init_wait_entry+0xe0/0xe0 [ 50.062818][ T491] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.068090][ T491] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.074054][ T491] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.080348][ T491] cgroup_file_write+0x22f/0x4f0 [ 50.085465][ T491] kernfs_fop_write_iter+0x2cd/0x410 [ 50.090913][ T491] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.096096][ T491] vfs_write+0xb57/0xe50 [ 50.100322][ T491] ksys_write+0x157/0x260 [ 50.104913][ T491] __x64_sys_write+0x7b/0x90 [ 50.109515][ T491] do_syscall_64+0x34/0x70 [ 50.113911][ T491] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.119783][ T491] RIP: 0033:0x7f67fbf350e9 [ 50.124221][ T491] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.144021][ T491] RSP: 002b:00007f67fbe8a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.152605][ T491] RAX: ffffffffffffffda RBX: 00007f67fc048030 RCX: 00007f67fbf350e9 [ 50.160568][ T491] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.169073][ T491] RBP: 00007f67fbe8a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.177031][ T491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.185051][ T491] R13: 00007ffeddff177f R14: 00007f67fbe8a300 R15: 0000000000022000 [ 50.195422][ T409] ------------[ cut here ]------------ [ 50.200956][ T409] WARNING: CPU: 0 PID: 409 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 50.210449][ T409] Modules linked in: [ 50.214558][ T409] CPU: 0 PID: 409 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 50.225679][ T409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.235787][ T409] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 50.241513][ T409] Code: 48 c7 c2 00 df c4 85 e8 62 e2 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 f3 70 a7 ff e9 28 fd ff ff [ 50.261983][ T409] RSP: 0018:ffffc90000e97dd0 EFLAGS: 00010293 [ 50.268055][ T409] RAX: ffffffff81af02dc RBX: ffff88810c1f20e0 RCX: ffff8881025eadc0 [ 50.276301][ T409] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 50.284318][ T409] RBP: ffffc90000e97e40 R08: ffffffff81af0007 R09: fffff520001d2fb2 [ 50.293073][ T409] R10: fffff520001d2fb2 R11: 1ffff920001d2fb1 R12: dffffc0000000000 [ 50.301031][ T409] R13: ffff88810c1f2000 R14: 00000000ffffffff R15: 0000000000000000 [ 50.309070][ T409] FS: 00005555558d0400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 50.318052][ T409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.325004][ T409] CR2: 00005555558d9b38 CR3: 0000000109237000 CR4: 00000000003506b0 [ 50.333182][ T409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.341160][ T409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.349273][ T409] Call Trace: [ 50.352727][ T409] path_umount+0x1ad/0xed0 [ 50.357135][ T409] __x64_sys_umount+0xe8/0x110 [ 50.362089][ T409] do_syscall_64+0x34/0x70 [ 50.366838][ T409] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.372936][ T409] RIP: 0033:0x7f67fbf36557 [ 50.377560][ T409] 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 [ 50.398287][ T409] RSP: 002b:00007ffeddff08d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 50.406724][ T409] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f67fbf36557 [ 50.414730][ T409] RDX: 00007ffeddff09a9 RSI: 000000000000000a RDI: 00007ffeddff09a0 [ 50.422956][ T409] RBP: 00007ffeddff09a0 R08: 00000000ffffffff R09: 00007ffeddff0770 [ 50.431299][ T409] R10: 00005555558d1ba3 R11: 0000000000000246 R12: 00007f67fbf8e1f8 [ 50.439555][ T409] R13: 00007ffeddff1a60 R14: 00005555558d1b00 R15: 00007ffeddff1aa0 [ 50.447769][ T409] ---[ end trace f7beb6115394707b ]--- [ 50.491805][ C0] !!! css_killed_ref_fn css ffff88810e45c000 !!! [ 50.498332][ C0] !!! css_killed_ref_fn css ffff88810e45d000 !!! [ 50.504933][ T73] !!! css_release css ffff88810e45c000 !!! [ 50.510755][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810e45c000 !!! [ 50.518459][ T73] !!! css_release css ffff88810e45d000 !!! [ 50.524434][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810e45d000 !!! [ 50.532093][ T498] !!! css_create !!! [ 50.536043][ T498] !!! css_create !!! [ 50.539973][ T498] !!! css_create !!! [ 50.544091][ T498] FAULT_INJECTION: forcing a failure. [ 50.544091][ T498] name failslab, interval 1, probability 0, space 0, times 0 [ 50.557041][ T498] CPU: 0 PID: 498 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 50.568736][ T498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.578809][ T498] Call Trace: [ 50.582130][ T498] dump_stack+0x19c/0x1e2 [ 50.586450][ T498] should_fail+0x3f7/0x5b0 [ 50.590884][ T498] __should_failslab+0xd2/0x130 [ 50.595853][ T498] should_failslab+0x9/0x20 [ 50.600334][ T498] slab_pre_alloc_hook+0x25/0xe0 [ 50.605268][ T498] kmem_cache_alloc_trace+0x47/0x2b0 [ 50.610548][ T498] ? percpu_ref_init+0xd0/0x330 [ 50.615509][ T498] percpu_ref_init+0xd0/0x330 [ 50.620174][ T498] ? cgroup_setup_root+0x8a0/0x8a0 [ 50.625301][ T498] cgroup_apply_control_enable+0x49f/0xfc0 [ 50.631099][ T498] cgroup_apply_control+0x36/0x710 [ 50.636350][ T498] ? init_wait_entry+0xe0/0xe0 [ 50.641108][ T498] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.646653][ T498] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.652915][ T498] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.658928][ T498] cgroup_file_write+0x22f/0x4f0 [ 50.663863][ T498] kernfs_fop_write_iter+0x2cd/0x410 [ 50.669163][ T498] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.674447][ T498] vfs_write+0xb57/0xe50 [ 50.678686][ T498] ksys_write+0x157/0x260 [ 50.682999][ T498] __x64_sys_write+0x7b/0x90 [ 50.687571][ T498] do_syscall_64+0x34/0x70 [ 50.691974][ T498] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.697860][ T498] RIP: 0033:0x7fad5fff10e9 [ 50.702345][ 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 [ 50.721952][ T498] RSP: 002b:00007fad5ff46168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.730362][ T498] RAX: ffffffffffffffda RBX: 00007fad60104030 RCX: 00007fad5fff10e9 [ 50.738469][ T498] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.746572][ T498] RBP: 00007fad5ff461d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.754639][ T498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.762611][ T498] R13: 00007ffc20093fdf R14: 00007fad5ff46300 R15: 0000000000022000 [ 50.774116][ T414] ------------[ cut here ]------------ [ 50.779614][ T414] WARNING: CPU: 1 PID: 414 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 50.789194][ T414] Modules linked in: [ 50.793265][ T414] CPU: 1 PID: 414 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 50.804992][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.815074][ T414] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 50.820685][ T414] Code: 48 c7 c2 00 df c4 85 e8 62 e2 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 f3 70 a7 ff e9 28 fd ff ff [ 50.840729][ T414] RSP: 0018:ffffc90000ee7dd0 EFLAGS: 00010293 [ 50.846816][ T414] RAX: ffffffff81af02dc RBX: ffff88810c1f3460 RCX: ffff8881025ebd00 [ 50.854810][ T414] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 50.862798][ T414] RBP: ffffc90000ee7e40 R08: ffffffff81af0007 R09: fffff520001dcfb2 [ 50.870970][ T414] R10: fffff520001dcfb2 R11: 1ffff920001dcfb1 R12: dffffc0000000000 [ 50.879017][ T414] R13: ffff88810c1f3380 R14: 00000000ffffffff R15: 0000000000000000 [ 50.887301][ T414] FS: 0000555555b0a400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 50.896367][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.902982][ T414] CR2: 0000555555b13b38 CR3: 00000001149cd000 CR4: 00000000003506a0 [ 50.911150][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.919486][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.927477][ T414] Call Trace: [ 50.930774][ T414] path_umount+0x1ad/0xed0 [ 50.935488][ T414] __x64_sys_umount+0xe8/0x110 [ 50.940266][ T414] do_syscall_64+0x34/0x70 [ 50.944813][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.951139][ T414] RIP: 0033:0x7fad5fff2557 [ 50.955600][ T414] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.975410][ T414] RSP: 002b:00007ffc20093138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 50.983852][ T414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fad5fff2557 [ 50.991914][ T414] RDX: 00007ffc20093209 RSI: 000000000000000a RDI: 00007ffc20093200 [ 50.999885][ T414] RBP: 00007ffc20093200 R08: 00000000ffffffff R09: 00007ffc20092fd0 [ 51.007855][ T414] R10: 0000555555b0bba3 R11: 0000000000000246 R12: 00007fad6004a1f8 [ 51.015822][ T414] R13: 00007ffc200942c0 R14: 0000555555b0bb00 R15: 00007ffc20094300 [ 51.023891][ T414] ---[ end trace f7beb6115394707c ]--- [ 51.034818][ C0] !!! css_killed_ref_fn css ffff88810e5bb000 !!! [ 51.041248][ C0] !!! css_killed_ref_fn css ffff88810e5bbc00 !!! [ 51.048024][ T73] !!! css_release css ffff88810e5bb000 !!! [ 51.053906][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810e5bb000 !!! [ 51.061375][ T73] !!! css_release css ffff88810e5bbc00 !!! [ 51.067848][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810e5bbc00 !!! [ 51.075828][ T504] !!! css_create !!! [ 51.080189][ T504] !!! css_create !!! [ 51.084336][ T504] !!! css_create !!! [ 51.088236][ T504] FAULT_INJECTION: forcing a failure. [ 51.088236][ T504] name failslab, interval 1, probability 0, space 0, times 0 [ 51.100990][ T504] CPU: 0 PID: 504 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 51.112612][ T504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.123070][ T504] Call Trace: [ 51.126731][ T504] dump_stack+0x19c/0x1e2 [ 51.131057][ T504] should_fail+0x3f7/0x5b0 [ 51.135543][ T504] __should_failslab+0xd2/0x130 [ 51.140386][ T504] should_failslab+0x9/0x20 [ 51.144874][ T504] slab_pre_alloc_hook+0x25/0xe0 [ 51.150074][ T504] ? __kernfs_new_node+0x4c/0x6d0 [ 51.155237][ T504] __kmalloc_track_caller+0x70/0x300 [ 51.160634][ T504] ? __kernfs_new_node+0x4c/0x6d0 [ 51.165673][ T504] kstrdup_const+0x55/0x90 [ 51.170091][ T504] __kernfs_new_node+0x4c/0x6d0 [ 51.175237][ T504] ? string+0x29f/0x2b0 [ 51.179386][ T504] ? vsnprintf+0x1a6c/0x1b30 [ 51.184074][ T504] kernfs_new_node+0x97/0x170 [ 51.188754][ T504] __kernfs_create_file+0x4a/0x270 [ 51.193864][ T504] cgroup_addrm_files+0x99e/0xeb0 [ 51.198885][ T504] ? delete_node+0x747/0x7a0 [ 51.203733][ T504] css_populate_dir+0x137/0x370 [ 51.208573][ T504] cgroup_apply_control_enable+0x31e/0xfc0 [ 51.214690][ T504] cgroup_apply_control+0x36/0x710 [ 51.219875][ T504] ? init_wait_entry+0xe0/0xe0 [ 51.224629][ T504] ? cgroup_kn_lock_live+0x1af/0x370 [ 51.230126][ T504] cgroup_subtree_control_write+0xd05/0x12d0 [ 51.236099][ T504] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 51.242170][ T504] cgroup_file_write+0x22f/0x4f0 [ 51.247115][ T504] kernfs_fop_write_iter+0x2cd/0x410 [ 51.252391][ T504] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.257483][ T504] vfs_write+0xb57/0xe50 [ 51.263076][ T504] ksys_write+0x157/0x260 [ 51.267392][ T504] __x64_sys_write+0x7b/0x90 [ 51.271969][ T504] do_syscall_64+0x34/0x70 [ 51.276373][ T504] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.282367][ T504] RIP: 0033:0x7f3a13f7a0e9 [ 51.286777][ 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 [ 51.306638][ T504] RSP: 002b:00007f3a13ecf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.315039][ T504] RAX: ffffffffffffffda RBX: 00007f3a1408d030 RCX: 00007f3a13f7a0e9 [ 51.322990][ T504] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.330955][ T504] RBP: 00007f3a13ecf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.338924][ T504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.347166][ T504] R13: 00007ffc1c840aff R14: 00007f3a13ecf300 R15: 0000000000022000 [ 51.355362][ T504] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.356406][ T22] audit: type=1400 audit(1654020183.519:159): 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 [ 51.385328][ T417] ------------[ cut here ]------------ [ 51.385340][ T22] audit: type=1400 audit(1654020183.529:160): 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 [ 51.385358][ T22] audit: type=1400 audit(1654020183.529:161): 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 [ 51.390838][ T417] WARNING: CPU: 1 PID: 417 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 51.443533][ T417] Modules linked in: [ 51.447542][ T417] CPU: 1 PID: 417 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 51.459261][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.469470][ T417] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 51.475120][ T417] Code: 48 c7 c2 00 df c4 85 e8 62 e2 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 f3 70 a7 ff e9 28 fd ff ff [ 51.495007][ T417] RSP: 0018:ffffc90000f17dd0 EFLAGS: 00010293 [ 51.501099][ T417] RAX: ffffffff81af02dc RBX: ffff88810cc0ce60 RCX: ffff88810922bd00 [ 51.509194][ T417] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 51.517210][ T417] RBP: ffffc90000f17e40 R08: ffffffff81af0007 R09: fffff520001e2fb2 [ 51.525293][ T417] R10: fffff520001e2fb2 R11: 1ffff920001e2fb1 R12: dffffc0000000000 [ 51.533291][ T417] R13: ffff88810cc0cd80 R14: 00000000ffffffff R15: 0000000000000000 [ 51.541347][ T417] FS: 00005555566ae400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 51.550327][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.557272][ T417] CR2: 00005555566b7b38 CR3: 0000000109415000 CR4: 00000000003506a0 [ 51.565878][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.573986][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.582091][ T417] Call Trace: [ 51.585503][ T417] path_umount+0x1ad/0xed0 [ 51.590068][ T417] __x64_sys_umount+0xe8/0x110 [ 51.595149][ T417] do_syscall_64+0x34/0x70 [ 51.599596][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.605766][ T417] RIP: 0033:0x7f3a13f7b557 [ 51.610195][ T417] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.630096][ T417] RSP: 002b:00007ffc1c83fc58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 51.638671][ T417] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3a13f7b557 [ 51.646770][ T417] RDX: 00007ffc1c83fd29 RSI: 000000000000000a RDI: 00007ffc1c83fd20 [ 51.655007][ T417] RBP: 00007ffc1c83fd20 R08: 00000000ffffffff R09: 00007ffc1c83faf0 [ 51.663005][ T417] R10: 00005555566afba3 R11: 0000000000000246 R12: 00007f3a13fd31f8 [ 51.670984][ T417] R13: 00007ffc1c840de0 R14: 00005555566afb00 R15: 00007ffc1c840e20 [ 51.678982][ T417] ---[ end trace f7beb6115394707d ]--- [ 51.684859][ T417] ------------[ cut here ]------------ [ 51.686896][ C1] !!! css_killed_ref_fn css ffff88810e385c00 !!! [ 51.690496][ T417] WARNING: CPU: 0 PID: 417 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 51.696814][ C1] !!! css_killed_ref_fn css ffff88810e386c00 !!! [ 51.696822][ C1] ------------[ cut here ]------------ [ 51.696836][ C1] percpu ref (css_release) <= 0 (0) after switching to atomic [ 51.696932][ C1] WARNING: CPU: 1 PID: 17 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 51.705976][ T417] Modules linked in: [ 51.711817][ C1] Modules linked in: [ 51.711840][ C1] CPU: 1 PID: 17 Comm: ksoftirqd/1 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 51.711846][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.711863][ C1] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 51.711881][ 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 de 02 85 48 89 de 31 c0 e8 bf c6 01 ff <0f> 0b e9 2d fd ff ff e8 d3 ea 2c ff 0f 0b e9 87 fe ff ff 48 c7 c1 [ 51.717740][ T417] [ 51.724935][ C1] RSP: 0018:ffffc90000127bb0 EFLAGS: 00010246 [ 51.735994][ T417] CPU: 0 PID: 417 Comm: syz-executor.5 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 51.739544][ C1] RAX: 601cc600ad87f500 RBX: ffffffff816104d0 RCX: ffff888100289e80 [ 51.739552][ C1] RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 [ 51.739561][ C1] RBP: ffffc90000127bf8 R08: ffffffff81514568 R09: fffff52000024f43 [ 51.739568][ C1] R10: fffff52000024f43 R11: 1ffff92000024f42 R12: ffff88810e1070a0 [ 51.739581][ C1] R13: 0000000000000008 R14: 1ffff11021c20e10 R15: ffff88810e107080 [ 51.743813][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.754663][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 51.754670][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.754685][ C1] CR2: 00005555566b7b38 CR3: 0000000109415000 CR4: 00000000003506a0 [ 51.765320][ T417] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 51.771761][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.771769][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.771773][ C1] Call Trace: [ 51.771789][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 51.771809][ C1] rcu_do_batch+0x4ad/0xb00 [ 51.792041][ T417] Code: ca 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 98 2e 20 86 80 e1 07 80 c1 03 38 c1 [ 51.793901][ C1] ? sched_clock+0x3a/0x50 [ 51.793914][ C1] rcu_core+0x64a/0xdf0 [ 51.793931][ C1] ? sched_clock_cpu+0x1b/0x3e0 [ 51.800130][ T417] RSP: 0018:ffffc90000f17e30 EFLAGS: 00010293 [ 51.811803][ C1] rcu_core_si+0x9/0x10 [ 51.820374][ T417] [ 51.827994][ C1] __do_softirq+0x253/0x67b [ 51.828006][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 51.828023][ C1] run_ksoftirqd+0x23/0x30 [ 51.836500][ T417] RAX: ffffffff81b00da5 RBX: ffffe8ffffd494ac RCX: ffff88810922bd00 [ 51.844078][ C1] smpboot_thread_fn+0x4c8/0x8b0 [ 51.844090][ C1] kthread+0x365/0x400 [ 51.844100][ C1] ? cpu_report_death+0x1a0/0x1a0 [ 51.844108][ C1] ? kthread_blkcg+0xd0/0xd0 [ 51.844119][ C1] ret_from_fork+0x1f/0x30 [ 51.844126][ C1] ---[ end trace f7beb6115394707e ]--- [ 51.844132][ C1] !!! css_killed_ref_fn css ffff88810e387000 !!! [ 51.844190][ T107] !!! css_release css ffff88810e385c00 !!! [ 51.852765][ T417] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 51.862484][ T107] !!! css_put is zero set CSS_NO_REF css ffff88810e385c00 !!! [ 51.871879][ T417] RBP: ffffc90000f17e80 R08: ffffffff81b00a83 R09: fffff520001e2fcd [ 51.878347][ T474] !!! css_create !!! [ 51.886523][ T417] R10: fffff520001e2fcd R11: 1ffff920001e2fcc R12: ffff88810cc0cdc8 [ 51.891661][ T474] !!! css_create !!! [ 51.899792][ T417] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 51.907688][ T474] !!! css_create !!! [ 51.911207][ T417] FS: 00005555566ae400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 51.917056][ T474] FAULT_INJECTION: forcing a failure. [ 51.917056][ T474] name failslab, interval 1, probability 0, space 0, times 0 [ 51.921939][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.941757][ T474] CPU: 1 PID: 474 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 51.941763][ T474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.941767][ T474] Call Trace: [ 51.941801][ T474] dump_stack+0x19c/0x1e2 [ 51.946989][ T417] CR2: 00007fad60508000 CR3: 0000000109415000 CR4: 00000000003506b0 [ 51.950702][ T474] should_fail+0x3f7/0x5b0 [ 51.950714][ T474] __should_failslab+0xd2/0x130 [ 51.950723][ T474] should_failslab+0x9/0x20 [ 51.950731][ T474] slab_pre_alloc_hook+0x25/0xe0 [ 51.950750][ T474] ? __kernfs_new_node+0x4c/0x6d0 [ 51.956034][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.961776][ T474] __kmalloc_track_caller+0x70/0x300 [ 51.961790][ T474] ? __kernfs_new_node+0x4c/0x6d0 [ 51.961799][ T474] kstrdup_const+0x55/0x90 [ 51.961807][ T474] __kernfs_new_node+0x4c/0x6d0 [ 51.961815][ T474] ? string+0x29f/0x2b0 [ 51.961822][ T474] ? vsnprintf+0x1a6c/0x1b30 [ 51.961831][ T474] kernfs_new_node+0x97/0x170 [ 51.961838][ T474] __kernfs_create_file+0x4a/0x270 [ 51.961851][ T474] cgroup_addrm_files+0x99e/0xeb0 [ 51.961872][ T474] ? delete_node+0x747/0x7a0 [ 51.966759][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.968478][ T474] ? __kthread_should_park+0xaa/0xe0 [ 51.968492][ T474] css_populate_dir+0x137/0x370 [ 51.968503][ T474] cgroup_apply_control_enable+0x31e/0xfc0 [ 51.968513][ T474] cgroup_apply_control+0x36/0x710 [ 51.968534][ T474] ? init_wait_entry+0xe0/0xe0 [ 51.973702][ T417] Call Trace: [ 51.978598][ T474] ? cgroup_kn_lock_live+0x1af/0x370 [ 51.978611][ T474] cgroup_subtree_control_write+0xd05/0x12d0 [ 51.978628][ T474] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 51.983499][ T417] __cleanup_mnt+0x19/0x20 [ 51.991531][ T474] cgroup_file_write+0x22f/0x4f0 [ 51.991543][ T474] kernfs_fop_write_iter+0x2cd/0x410 [ 51.991553][ T474] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.991561][ T474] vfs_write+0xb57/0xe50 [ 51.991571][ T474] ksys_write+0x157/0x260 [ 51.991579][ T474] __x64_sys_write+0x7b/0x90 [ 51.991589][ T474] do_syscall_64+0x34/0x70 [ 51.991609][ T474] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.997091][ T417] task_work_run+0x147/0x1b0 [ 52.000601][ T474] RIP: 0033:0x7f69bf5f50e9 [ 52.000612][ 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 [ 52.000618][ T474] RSP: 002b:00007f69bf54a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.000631][ T474] RAX: ffffffffffffffda RBX: 00007f69bf708030 RCX: 00007f69bf5f50e9 [ 52.000637][ T474] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.000652][ T474] RBP: 00007f69bf54a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.006364][ T417] exit_to_user_mode_loop+0xc8/0xe0 [ 52.010218][ T474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.010225][ T474] R13: 00007ffe95941dbf R14: 00007f69bf54a300 R15: 0000000000022000 [ 52.012032][ T474] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.015079][ T417] syscall_exit_to_user_mode+0x77/0xa0 [ 52.428304][ T417] do_syscall_64+0x40/0x70 [ 52.432845][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.438742][ T417] RIP: 0033:0x7f3a13f7b557 [ 52.443207][ T417] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.446572][ C1] !!! css_killed_ref_fn css ffff88810e418400 !!! [ 52.462896][ T417] RSP: 002b:00007ffc1c83fc58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 52.469330][ C1] !!! css_killed_ref_fn css ffff88810e41b800 !!! [ 52.477732][ T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3a13f7b557 [ 52.484059][ C1] !!! css_killed_ref_fn css ffff88810e419000 !!! [ 52.484423][ T23] !!! css_release css ffff88810e418400 !!! [ 52.492530][ T417] RDX: 00007ffc1c83fd29 RSI: 000000000000000a RDI: 00007ffc1c83fd20 [ 52.499083][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810e418400 !!! [ 52.505078][ T417] RBP: 00007ffc1c83fd20 R08: 00000000ffffffff R09: 00007ffc1c83faf0 [ 52.513538][ T23] !!! css_release css ffff88810e41b800 !!! [ 52.520774][ T417] R10: 00005555566afba3 R11: 0000000000000246 R12: 00007f3a13fd31f8 [ 52.528792][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810e41b800 !!! [ 52.534533][ T417] R13: 00007ffc1c840de0 R14: 00005555566afb00 R15: 00007ffc1c840e20 [ 52.542785][ T23] !!! css_release css ffff88810e419000 !!! [ 52.549845][ T417] ---[ end trace f7beb6115394707f ]--- [ 52.569292][ T23] !!! css_put is zero set CSS_NO_REF css ffff88810e419000 !!! [ 52.576855][ T513] !!! css_create !!! [ 52.580805][ T513] !!! css_create !!! [ 52.584919][ T513] !!! css_create !!! [ 52.588824][ T513] FAULT_INJECTION: forcing a failure. [ 52.588824][ T513] name failslab, interval 1, probability 0, space 0, times 0 [ 52.601672][ T513] CPU: 0 PID: 513 Comm: syz-executor.3 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 52.613313][ T513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.623358][ T513] Call Trace: [ 52.626641][ T513] dump_stack+0x19c/0x1e2 [ 52.630976][ T513] should_fail+0x3f7/0x5b0 [ 52.635364][ T513] __should_failslab+0xd2/0x130 [ 52.640187][ T513] should_failslab+0x9/0x20 [ 52.644747][ T513] slab_pre_alloc_hook+0x25/0xe0 [ 52.649655][ T513] kmem_cache_alloc_trace+0x47/0x2b0 [ 52.654924][ T513] ? percpu_ref_init+0xd0/0x330 [ 52.659769][ T513] percpu_ref_init+0xd0/0x330 [ 52.664420][ T513] ? cgroup_setup_root+0x8a0/0x8a0 [ 52.669522][ T513] cgroup_apply_control_enable+0x49f/0xfc0 [ 52.675426][ T513] cgroup_apply_control+0x36/0x710 [ 52.680552][ T513] ? init_wait_entry+0xe0/0xe0 [ 52.685326][ T513] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.690602][ T513] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.696681][ T513] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.702678][ T513] cgroup_file_write+0x22f/0x4f0 [ 52.707635][ T513] kernfs_fop_write_iter+0x2cd/0x410 [ 52.713043][ T513] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.718137][ T513] vfs_write+0xb57/0xe50 [ 52.722369][ T513] ksys_write+0x157/0x260 [ 52.726688][ T513] __x64_sys_write+0x7b/0x90 [ 52.731488][ T513] do_syscall_64+0x34/0x70 [ 52.735902][ T513] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.741920][ T513] RIP: 0033:0x7f69bf5f50e9 [ 52.746475][ 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 [ 52.766460][ T513] RSP: 002b:00007f69bf54a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.775131][ T513] RAX: ffffffffffffffda RBX: 00007f69bf708030 RCX: 00007f69bf5f50e9 [ 52.783091][ T513] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.791439][ T513] RBP: 00007f69bf54a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.800047][ T513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.808096][ T513] R13: 00007ffe95941dbf R14: 00007f69bf54a300 R15: 0000000000022000 [ 52.861601][ C0] !!! css_killed_ref_fn css ffff88810e662c00 !!! [ 52.868289][ C0] !!! css_killed_ref_fn css ffff88810e663c00 !!! [ 52.875084][ T456] !!! css_release css ffff88810e662c00 !!! [ 52.881083][ T456] !!! css_put is zero set CSS_NO_REF css ffff88810e662c00 !!! [ 52.889004][ T456] !!! css_release css ffff88810e663c00 !!! [ 52.895216][ T456] !!! css_put is zero set CSS_NO_REF css ffff88810e663c00 !!! [ 52.902989][ T501] !!! css_create !!! [ 52.907089][ T501] !!! css_create !!! [ 52.911085][ T501] !!! css_create !!! [ 52.915210][ T501] FAULT_INJECTION: forcing a failure. [ 52.915210][ T501] name failslab, interval 1, probability 0, space 0, times 0 [ 52.928013][ T501] CPU: 0 PID: 501 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 52.939643][ T501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.949788][ T501] Call Trace: [ 52.953080][ T501] dump_stack+0x19c/0x1e2 [ 52.957420][ T501] should_fail+0x3f7/0x5b0 [ 52.961828][ T501] __should_failslab+0xd2/0x130 [ 52.966658][ T501] should_failslab+0x9/0x20 [ 52.971155][ T501] slab_pre_alloc_hook+0x25/0xe0 [ 52.976084][ T501] kmem_cache_alloc_trace+0x47/0x2b0 [ 52.981573][ T501] ? percpu_ref_init+0xd0/0x330 [ 52.986426][ T501] percpu_ref_init+0xd0/0x330 [ 52.991221][ T501] ? cgroup_setup_root+0x8a0/0x8a0 [ 52.996327][ T501] cgroup_apply_control_enable+0x49f/0xfc0 [ 53.002129][ T501] cgroup_apply_control+0x36/0x710 [ 53.007231][ T501] ? init_wait_entry+0xe0/0xe0 [ 53.012156][ T501] ? cgroup_kn_lock_live+0x1af/0x370 [ 53.017515][ T501] cgroup_subtree_control_write+0xd05/0x12d0 [ 53.023632][ T501] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 53.029705][ T501] cgroup_file_write+0x22f/0x4f0 [ 53.034950][ T501] kernfs_fop_write_iter+0x2cd/0x410 [ 53.040512][ T501] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.045612][ T501] vfs_write+0xb57/0xe50 [ 53.049837][ T501] ksys_write+0x157/0x260 [ 53.054173][ T501] __x64_sys_write+0x7b/0x90 [ 53.059002][ T501] do_syscall_64+0x34/0x70 [ 53.063515][ T501] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.069445][ T501] RIP: 0033:0x7f9e45a900e9 [ 53.073844][ 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 [ 53.093526][ T501] RSP: 002b:00007f9e459e5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.102030][ T501] RAX: ffffffffffffffda RBX: 00007f9e45ba3030 RCX: 00007f9e45a900e9 [ 53.110237][ T501] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.118281][ T501] RBP: 00007f9e459e51d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.126241][ T501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.134203][ T501] R13: 00007ffc96e682ff R14: 00007f9e459e5300 R15: 0000000000022000 [ 53.171718][ C0] !!! css_killed_ref_fn css ffff88810e94bc00 !!! [ 53.178284][ C0] !!! css_killed_ref_fn css ffff88810e94b000 !!! [ 53.184958][ T73] !!! css_release css ffff88810e94bc00 !!! [ 53.190805][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810e94bc00 !!! [ 53.198817][ T73] !!! css_release css ffff88810e94b000 !!! [ 53.204726][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810e94b000 !!! [ 53.212734][ T495] !!! css_create !!! [ 53.216673][ T495] !!! css_create !!! [ 53.220757][ T495] !!! css_create !!! [ 53.224899][ T495] FAULT_INJECTION: forcing a failure. [ 53.224899][ T495] name failslab, interval 1, probability 0, space 0, times 0 [ 53.237541][ T495] CPU: 0 PID: 495 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 53.249397][ T495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.259535][ T495] Call Trace: [ 53.262828][ T495] dump_stack+0x19c/0x1e2 [ 53.267155][ T495] should_fail+0x3f7/0x5b0 [ 53.271653][ T495] __should_failslab+0xd2/0x130 [ 53.276504][ T495] should_failslab+0x9/0x20 [ 53.281003][ T495] slab_pre_alloc_hook+0x25/0xe0 [ 53.285950][ T495] ? __kernfs_new_node+0x4c/0x6d0 [ 53.290962][ T495] __kmalloc_track_caller+0x70/0x300 [ 53.296492][ T495] ? __kernfs_new_node+0x4c/0x6d0 [ 53.301511][ T495] kstrdup_const+0x55/0x90 [ 53.306008][ T495] __kernfs_new_node+0x4c/0x6d0 [ 53.310850][ T495] ? string+0x29f/0x2b0 [ 53.315034][ T495] ? vsnprintf+0x1a6c/0x1b30 [ 53.319639][ T495] kernfs_new_node+0x97/0x170 [ 53.324302][ T495] __kernfs_create_file+0x4a/0x270 [ 53.329498][ T495] cgroup_addrm_files+0x99e/0xeb0 [ 53.334623][ T495] ? delete_node+0x747/0x7a0 [ 53.339591][ T495] css_populate_dir+0x137/0x370 [ 53.344538][ T495] cgroup_apply_control_enable+0x31e/0xfc0 [ 53.350349][ T495] cgroup_apply_control+0x36/0x710 [ 53.355549][ T495] ? init_wait_entry+0xe0/0xe0 [ 53.361709][ T495] ? cgroup_kn_lock_live+0x1af/0x370 [ 53.367396][ T495] cgroup_subtree_control_write+0xd05/0x12d0 [ 53.373563][ T495] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 53.379816][ T495] cgroup_file_write+0x22f/0x4f0 [ 53.384839][ T495] kernfs_fop_write_iter+0x2cd/0x410 [ 53.390255][ T495] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.395633][ T495] vfs_write+0xb57/0xe50 [ 53.400194][ T495] ksys_write+0x157/0x260 [ 53.404613][ T495] __x64_sys_write+0x7b/0x90 [ 53.409381][ T495] do_syscall_64+0x34/0x70 [ 53.414009][ T495] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.420255][ T495] RIP: 0033:0x7f53d6e970e9 [ 53.425013][ T495] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.447893][ T495] RSP: 002b:00007f53d6dec168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.456535][ T495] RAX: ffffffffffffffda RBX: 00007f53d6faa030 RCX: 00007f53d6e970e9 [ 53.464729][ T495] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.473476][ T495] RBP: 00007f53d6dec1d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.481525][ T495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.489670][ T495] R13: 00007ffc0887facf R14: 00007f53d6dec300 R15: 0000000000022000 [ 53.497804][ T495] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 53.506099][ T418] ------------[ cut here ]------------ [ 53.511800][ T418] WARNING: CPU: 1 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 53.520803][ T418] Modules linked in: [ 53.524727][ T418] CPU: 1 PID: 418 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 53.536472][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.546751][ T418] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 53.552517][ T418] Code: 48 c7 c2 00 df c4 85 e8 62 e2 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 f3 70 a7 ff e9 28 fd ff ff [ 53.572466][ T418] RSP: 0018:ffffc90000f27d58 EFLAGS: 00010293 [ 53.578643][ T418] RAX: ffffffff81af02dc RBX: ffff88810cc0d160 RCX: ffff88810922db80 [ 53.586754][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 53.594753][ T418] RBP: ffffc90000f27dc8 R08: ffffffff81af0007 R09: fffff520001e4fa3 [ 53.602908][ T418] R10: fffff520001e4fa3 R11: 1ffff920001e4fa2 R12: dffffc0000000000 [ 53.610981][ T418] R13: ffff88810cc0d080 R14: 00000000ffffffff R15: 0000000000000000 [ 53.619019][ T418] FS: 000055555649f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 53.627973][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.634600][ T418] CR2: 00007ffc0887ec4c CR3: 00000001091aa000 CR4: 00000000003506a0 [ 53.642584][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.650714][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.658709][ T418] Call Trace: [ 53.662029][ T418] ? init_wait_entry+0xe0/0xe0 [ 53.666780][ T418] ? up_write+0x68/0x140 [ 53.671034][ T418] namespace_unlock+0x377/0x420 [ 53.675927][ T418] path_umount+0xe23/0xed0 [ 53.680369][ T418] __x64_sys_umount+0xe8/0x110 [ 53.685158][ T418] do_syscall_64+0x34/0x70 [ 53.689667][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.695620][ T418] RIP: 0033:0x7f53d6e98557 [ 53.700040][ T418] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.719771][ T418] RSP: 002b:00007ffc0887ec28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 53.728204][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f53d6e98557 [ 53.736224][ T418] RDX: 00007ffc0887ecf9 RSI: 000000000000000a RDI: 00007ffc0887ecf0 [ 53.744234][ T418] RBP: 00007ffc0887ecf0 R08: 00000000ffffffff R09: 00007ffc0887eac0 [ 53.752279][ T418] R10: 00005555564a0ba3 R11: 0000000000000246 R12: 00007f53d6ef01f8 [ 53.760374][ T418] R13: 00007ffc0887fdb0 R14: 00005555564a0b00 R15: 00007ffc0887fdf0 [ 53.768425][ T418] ---[ end trace f7beb61153947080 ]--- [ 53.773995][ T418] ------------[ cut here ]------------ [ 53.779503][ T418] WARNING: CPU: 0 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 53.788479][ T418] Modules linked in: [ 53.792380][ T418] CPU: 0 PID: 418 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 53.803903][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.813986][ T418] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 53.819620][ T418] Code: 48 c7 c2 00 df c4 85 e8 62 e2 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 f3 70 a7 ff e9 28 fd ff ff [ 53.839346][ T418] RSP: 0018:ffffc90000f27dd0 EFLAGS: 00010293 [ 53.845488][ C0] !!! css_killed_ref_fn css ffff88810e6b7400 !!! [ 53.845507][ C0] !!! css_killed_ref_fn css ffff88810e6b3c00 !!! [ 53.845513][ C0] !!! css_killed_ref_fn css ffff88810e6b0400 !!! [ 53.864547][ T418] RAX: ffffffff81af02dc RBX: ffff88810cc0d160 RCX: ffff88810922db80 [ 53.872631][ T418] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 53.880885][ T418] RBP: ffffc90000f27e40 R08: ffffffff81af0007 R09: fffff520001e4fb2 [ 53.888975][ T418] R10: fffff520001e4fb2 R11: 1ffff920001e4fb1 R12: dffffc0000000000 [ 53.896941][ T418] R13: ffff88810cc0d080 R14: 00000000fffffffe R15: 0000000000000000 [ 53.905003][ T418] FS: 000055555649f400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 53.914107][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.921208][ T418] CR2: 00007ffc96e66d18 CR3: 00000001091aa000 CR4: 00000000003506b0 [ 53.929485][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.937551][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.946065][ T418] Call Trace: [ 53.949364][ T418] path_umount+0x1ad/0xed0 [ 53.953797][ T418] __x64_sys_umount+0xe8/0x110 [ 53.958664][ T418] do_syscall_64+0x34/0x70 [ 53.963088][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.968976][ T418] RIP: 0033:0x7f53d6e98557 [ 53.973503][ T418] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.993243][ T418] RSP: 002b:00007ffc0887ec28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 54.002133][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f53d6e98557 [ 54.010186][ T418] RDX: 00007ffc0887ecf9 RSI: 000000000000000a RDI: 00007ffc0887ecf0 [ 54.018267][ T418] RBP: 00007ffc0887ecf0 R08: 00000000ffffffff R09: 00007ffc0887eac0 [ 54.026701][ T418] R10: 00005555564a0ba3 R11: 0000000000000246 R12: 00007f53d6ef01f8 [ 54.034791][ T418] R13: 00007ffc0887fdb0 R14: 00005555564a0b00 R15: 00007ffc0887fdf0 [ 54.042826][ T418] ---[ end trace f7beb61153947081 ]--- [ 54.048346][ T73] !!! css_release css ffff88810e6b7400 !!! [ 54.054323][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810e6b7400 !!! [ 54.065311][ T447] !!! css_release css ffff88810e6b3c00 !!! [ 54.071216][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810e6b3c00 !!! [ 54.079160][ T447] !!! css_release css ffff88810e6b0400 !!! [ 54.085496][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810e6b0400 !!! [ 54.093716][ T510] !!! css_create !!! [ 54.097831][ T510] !!! css_create !!! [ 54.102037][ T510] !!! css_create !!! [ 54.106265][ T510] FAULT_INJECTION: forcing a failure. [ 54.106265][ T510] name failslab, interval 1, probability 0, space 0, times 0 [ 54.119082][ T510] CPU: 0 PID: 510 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 54.130628][ T510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.140672][ T510] Call Trace: [ 54.143949][ T510] dump_stack+0x19c/0x1e2 [ 54.148274][ T510] should_fail+0x3f7/0x5b0 [ 54.152694][ T510] __should_failslab+0xd2/0x130 [ 54.157674][ T510] should_failslab+0x9/0x20 [ 54.162365][ T510] slab_pre_alloc_hook+0x25/0xe0 [ 54.167480][ T510] ? __kernfs_new_node+0x4c/0x6d0 [ 54.172823][ T510] __kmalloc_track_caller+0x70/0x300 [ 54.178538][ T510] ? __kernfs_new_node+0x4c/0x6d0 [ 54.183788][ T510] kstrdup_const+0x55/0x90 [ 54.188351][ T510] __kernfs_new_node+0x4c/0x6d0 [ 54.193187][ T510] ? string+0x29f/0x2b0 [ 54.198383][ T510] ? vsnprintf+0x1a6c/0x1b30 [ 54.203077][ T510] kernfs_new_node+0x97/0x170 [ 54.207757][ T510] __kernfs_create_file+0x4a/0x270 [ 54.213558][ T510] cgroup_addrm_files+0x99e/0xeb0 [ 54.218657][ T510] ? delete_node+0x747/0x7a0 [ 54.223506][ T510] css_populate_dir+0x137/0x370 [ 54.228656][ T510] cgroup_apply_control_enable+0x31e/0xfc0 [ 54.234475][ T510] cgroup_apply_control+0x36/0x710 [ 54.239760][ T510] ? init_wait_entry+0xe0/0xe0 [ 54.244664][ T510] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.250254][ T510] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.256229][ T510] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.262438][ T510] cgroup_file_write+0x22f/0x4f0 [ 54.267405][ T510] kernfs_fop_write_iter+0x2cd/0x410 [ 54.272781][ T510] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.277875][ T510] vfs_write+0xb57/0xe50 [ 54.282097][ T510] ksys_write+0x157/0x260 [ 54.286752][ T510] __x64_sys_write+0x7b/0x90 [ 54.291399][ T510] do_syscall_64+0x34/0x70 [ 54.295833][ T510] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.302006][ T510] RIP: 0033:0x7fad5fff10e9 [ 54.306402][ 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 [ 54.326236][ T510] RSP: 002b:00007fad5ff46168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.334881][ T510] RAX: ffffffffffffffda RBX: 00007fad60104030 RCX: 00007fad5fff10e9 [ 54.342844][ T510] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.350895][ T510] RBP: 00007fad5ff461d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.358857][ T510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.366930][ T510] R13: 00007ffc20093fdf R14: 00007fad5ff46300 R15: 0000000000022000 2022/05/31 18:03:06 executed programs: 31 [ 54.375185][ T510] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.421594][ C0] !!! css_killed_ref_fn css ffff88810eaebc00 !!! [ 54.428767][ C0] !!! css_killed_ref_fn css ffff88810eae3400 !!! [ 54.435182][ C0] !!! css_killed_ref_fn css ffff88810eae2400 !!! [ 54.441690][ T447] !!! css_release css ffff88810eaebc00 !!! [ 54.447500][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810eaebc00 !!! [ 54.455549][ T447] !!! css_release css ffff88810eae3400 !!! [ 54.461502][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810eae3400 !!! [ 54.469409][ T447] !!! css_release css ffff88810eae2400 !!! [ 54.475335][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810eae2400 !!! [ 54.482929][ T525] !!! css_create !!! [ 54.487198][ T525] !!! css_create !!! [ 54.491174][ T525] !!! css_create !!! [ 54.495179][ T525] FAULT_INJECTION: forcing a failure. [ 54.495179][ T525] name failslab, interval 1, probability 0, space 0, times 0 [ 54.507855][ T525] CPU: 1 PID: 525 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 54.519687][ T525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.529968][ T525] Call Trace: [ 54.533328][ T525] dump_stack+0x19c/0x1e2 [ 54.537661][ T525] should_fail+0x3f7/0x5b0 [ 54.542060][ T525] __should_failslab+0xd2/0x130 [ 54.547135][ T525] should_failslab+0x9/0x20 [ 54.551632][ T525] slab_pre_alloc_hook+0x25/0xe0 [ 54.556564][ T525] ? __kernfs_new_node+0x4c/0x6d0 [ 54.561751][ T525] __kmalloc_track_caller+0x70/0x300 [ 54.567038][ T525] ? __kernfs_new_node+0x4c/0x6d0 [ 54.572124][ T525] kstrdup_const+0x55/0x90 [ 54.576549][ T525] __kernfs_new_node+0x4c/0x6d0 [ 54.581473][ T525] ? string+0x29f/0x2b0 [ 54.585609][ T525] ? vsnprintf+0x1a6c/0x1b30 [ 54.590189][ T525] kernfs_new_node+0x97/0x170 [ 54.594971][ T525] __kernfs_create_file+0x4a/0x270 [ 54.600200][ T525] cgroup_addrm_files+0x99e/0xeb0 [ 54.605211][ T525] ? delete_node+0x747/0x7a0 [ 54.609824][ T525] css_populate_dir+0x137/0x370 [ 54.614658][ T525] cgroup_apply_control_enable+0x31e/0xfc0 [ 54.620446][ T525] cgroup_apply_control+0x36/0x710 [ 54.625775][ T525] ? init_wait_entry+0xe0/0xe0 [ 54.630638][ T525] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.635925][ T525] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.641900][ T525] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.647953][ T525] cgroup_file_write+0x22f/0x4f0 [ 54.652891][ T525] kernfs_fop_write_iter+0x2cd/0x410 [ 54.658179][ T525] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.663270][ T525] vfs_write+0xb57/0xe50 [ 54.667710][ T525] ksys_write+0x157/0x260 [ 54.672258][ T525] __x64_sys_write+0x7b/0x90 [ 54.676861][ T525] do_syscall_64+0x34/0x70 [ 54.681286][ T525] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.687323][ T525] RIP: 0033:0x7f9e45a900e9 [ 54.691728][ 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 [ 54.711414][ T525] RSP: 002b:00007f9e459e5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.719829][ T525] RAX: ffffffffffffffda RBX: 00007f9e45ba3030 RCX: 00007f9e45a900e9 [ 54.727829][ T525] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.735783][ T525] RBP: 00007f9e459e51d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.743734][ T525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.751685][ T525] R13: 00007ffc96e682ff R14: 00007f9e459e5300 R15: 0000000000022000 [ 54.759750][ T525] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.768448][ T404] ------------[ cut here ]------------ [ 54.773951][ T404] WARNING: CPU: 0 PID: 404 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 54.782891][ T404] Modules linked in: [ 54.786786][ T404] CPU: 0 PID: 404 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 54.798649][ T404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.808774][ T404] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 54.814423][ T404] Code: 48 c7 c2 00 df c4 85 e8 62 e2 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 f3 70 a7 ff e9 28 fd ff ff [ 54.834161][ T404] RSP: 0018:ffffc90000c37dd0 EFLAGS: 00010293 [ 54.840246][ T404] RAX: ffffffff81af02dc RBX: ffff88810cc0cce0 RCX: ffff888107ed4c40 [ 54.848378][ T404] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 54.856372][ T404] RBP: ffffc90000c37e40 R08: ffffffff81af0007 R09: fffff52000186fb2 [ 54.864400][ T404] R10: fffff52000186fb2 R11: 1ffff92000186fb1 R12: dffffc0000000000 [ 54.872403][ T404] R13: ffff88810cc0cc00 R14: 00000000ffffffff R15: 0000000000000000 [ 54.880401][ T404] FS: 00005555556e1400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 54.889672][ T404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.896466][ T404] CR2: 00007ffc96e66d18 CR3: 00000001090b7000 CR4: 00000000003506b0 [ 54.904477][ T404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.912475][ T404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.920633][ T404] Call Trace: [ 54.924059][ T404] path_umount+0x1ad/0xed0 [ 54.928768][ T404] __x64_sys_umount+0xe8/0x110 [ 54.933853][ T404] do_syscall_64+0x34/0x70 [ 54.938265][ T404] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.944262][ T404] RIP: 0033:0x7f9e45a91557 [ 54.948695][ T404] 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 [ 54.971404][ T404] RSP: 002b:00007ffc96e67458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 54.983658][ T404] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9e45a91557 [ 54.991729][ T404] RDX: 00007ffc96e67529 RSI: 000000000000000a RDI: 00007ffc96e67520 [ 54.999884][ T404] RBP: 00007ffc96e67520 R08: 00000000ffffffff R09: 00007ffc96e672f0 [ 55.008024][ T404] R10: 00005555556e2ba3 R11: 0000000000000246 R12: 00007f9e45ae91f8 [ 55.016013][ T404] R13: 00007ffc96e685e0 R14: 00005555556e2b00 R15: 00007ffc96e68620 [ 55.023978][ T404] ---[ end trace f7beb61153947082 ]--- [ 55.029660][ T404] ------------[ cut here ]------------ [ 55.035347][ T404] WARNING: CPU: 0 PID: 404 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 55.041587][ C1] !!! css_killed_ref_fn css ffff88810ed53c00 !!! [ 55.044580][ T404] Modules linked in: [ 55.050960][ C1] !!! css_killed_ref_fn css ffff88810ed50c00 !!! [ 55.054914][ T404] CPU: 0 PID: 404 Comm: syz-executor.2 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 55.061284][ C1] !!! css_killed_ref_fn css ffff88810ed51800 !!! [ 55.072902][ T404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.079962][ T381] !!! css_release css ffff88810ed53c00 !!! [ 55.090189][ T404] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 55.096643][ T381] !!! css_put is zero set CSS_NO_REF css ffff88810ed53c00 !!! [ 55.101245][ T404] Code: ca 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 98 2e 20 86 80 e1 07 80 c1 03 38 c1 [ 55.101252][ T404] RSP: 0018:ffffc90000c37e30 EFLAGS: 00010293 [ 55.101265][ T404] RAX: ffffffff81b00da5 RBX: ffffe8ffffd4928c RCX: ffff888107ed4c40 [ 55.101271][ T404] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 55.101286][ T404] RBP: ffffc90000c37e80 R08: ffffffff81b00a83 R09: fffff52000186fcd [ 55.109240][ T381] !!! css_release css ffff88810ed50c00 !!! [ 55.128610][ T404] R10: fffff52000186fcd R11: 1ffff92000186fcc R12: ffff88810cc0cc48 [ 55.134852][ T381] !!! css_put is zero set CSS_NO_REF css ffff88810ed50c00 !!! [ 55.142731][ T404] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 55.151602][ T528] !!! css_create !!! [ 55.158960][ T404] FS: 00005555556e1400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 55.158979][ T404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.165302][ T528] !!! css_create !!! [ 55.173072][ T404] CR2: 00007ffc96e66d18 CR3: 00000001090b7000 CR4: 00000000003506b0 [ 55.180830][ T528] !!! css_create !!! [ 55.188742][ T404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.188749][ T404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.188752][ T404] Call Trace: [ 55.188768][ T404] __cleanup_mnt+0x19/0x20 [ 55.188785][ T404] task_work_run+0x147/0x1b0 [ 55.193081][ T528] FAULT_INJECTION: forcing a failure. [ 55.193081][ T528] name failslab, interval 1, probability 0, space 0, times 0 [ 55.201664][ T404] exit_to_user_mode_loop+0xc8/0xe0 [ 55.201675][ T404] syscall_exit_to_user_mode+0x77/0xa0 [ 55.201691][ T404] do_syscall_64+0x40/0x70 [ 55.208850][ T528] CPU: 1 PID: 528 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 55.212390][ T404] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.220249][ T528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.220253][ T528] Call Trace: [ 55.220265][ T528] dump_stack+0x19c/0x1e2 [ 55.220283][ T528] should_fail+0x3f7/0x5b0 [ 55.224412][ T404] RIP: 0033:0x7f9e45a91557 [ 55.232640][ T528] __should_failslab+0xd2/0x130 [ 55.232650][ T528] should_failslab+0x9/0x20 [ 55.232658][ T528] slab_pre_alloc_hook+0x25/0xe0 [ 55.232673][ T528] kmem_cache_alloc_trace+0x47/0x2b0 [ 55.240801][ T404] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.243918][ T528] ? pids_css_alloc+0x4e/0x120 [ 55.243927][ T528] pids_css_alloc+0x4e/0x120 [ 55.243938][ T528] cgroup_apply_control_enable+0x44e/0xfc0 [ 55.243953][ T528] cgroup_apply_control+0x36/0x710 [ 55.248521][ T404] RSP: 002b:00007ffc96e67458 EFLAGS: 00000246 [ 55.253000][ T528] ? init_wait_entry+0xe0/0xe0 [ 55.253015][ T528] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.253032][ T528] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.265884][ T404] ORIG_RAX: 00000000000000a6 [ 55.271482][ T528] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.271500][ T528] cgroup_file_write+0x22f/0x4f0 [ 55.277396][ T404] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9e45a91557 [ 55.281750][ T528] kernfs_fop_write_iter+0x2cd/0x410 [ 55.281760][ T528] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.281776][ T528] vfs_write+0xb57/0xe50 [ 55.293565][ T404] RDX: 00007ffc96e67529 RSI: 000000000000000a RDI: 00007ffc96e67520 [ 55.299404][ T528] ksys_write+0x157/0x260 [ 55.299419][ T528] __x64_sys_write+0x7b/0x90 [ 55.309570][ T404] RBP: 00007ffc96e67520 R08: 00000000ffffffff R09: 00007ffc96e672f0 [ 55.312808][ T528] do_syscall_64+0x34/0x70 [ 55.312819][ T528] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.312833][ T528] RIP: 0033:0x7f53d6e970e9 [ 55.317157][ T404] R10: 00005555556e2ba3 R11: 0000000000000246 R12: 00007f9e45ae91f8 [ 55.321712][ 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 [ 55.321719][ T528] RSP: 002b:00007f53d6dec168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.326133][ T404] R13: 00007ffc96e685e0 R14: 00005555556e2b00 R15: 00007ffc96e68620 [ 55.330937][ T528] RAX: ffffffffffffffda RBX: 00007f53d6faa030 RCX: 00007f53d6e970e9 [ 55.330944][ T528] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.330957][ T528] RBP: 00007f53d6dec1d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.336378][ T404] ---[ end trace f7beb61153947083 ]--- [ 55.341247][ T528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.341254][ T528] R13: 00007ffc0887facf R14: 00007f53d6dec300 R15: 0000000000022000 [ 55.591801][ C1] !!! css_killed_ref_fn css ffff88810ec8a400 !!! [ 55.598252][ C1] !!! css_killed_ref_fn css ffff88810ec8b800 !!! [ 55.604994][ T18] !!! css_release css ffff88810ec8a400 !!! [ 55.610899][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810ec8a400 !!! [ 55.619034][ T18] !!! css_release css ffff88810ec8b800 !!! [ 55.625282][ T18] !!! css_put is zero set CSS_NO_REF css ffff88810ec8b800 !!! [ 55.632968][ T507] !!! css_create !!! [ 55.637028][ T507] !!! css_create !!! [ 55.641033][ T507] !!! css_create !!! [ 55.645110][ T507] FAULT_INJECTION: forcing a failure. [ 55.645110][ T507] name failslab, interval 1, probability 0, space 0, times 0 [ 55.658420][ T507] CPU: 1 PID: 507 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 55.670194][ T507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.680714][ T507] Call Trace: [ 55.683998][ T507] dump_stack+0x19c/0x1e2 [ 55.688320][ T507] should_fail+0x3f7/0x5b0 [ 55.692732][ T507] __should_failslab+0xd2/0x130 [ 55.697586][ T507] should_failslab+0x9/0x20 [ 55.702566][ T507] slab_pre_alloc_hook+0x25/0xe0 [ 55.707661][ T507] kmem_cache_alloc_trace+0x47/0x2b0 [ 55.713054][ T507] ? percpu_ref_init+0xd0/0x330 [ 55.718078][ T507] percpu_ref_init+0xd0/0x330 [ 55.722745][ T507] ? cgroup_setup_root+0x8a0/0x8a0 [ 55.727846][ T507] cgroup_apply_control_enable+0x49f/0xfc0 [ 55.733892][ T507] cgroup_apply_control+0x36/0x710 [ 55.739424][ T507] ? init_wait_entry+0xe0/0xe0 [ 55.744419][ T507] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.749703][ T507] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.755786][ T507] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.761973][ T507] cgroup_file_write+0x22f/0x4f0 [ 55.767179][ T507] kernfs_fop_write_iter+0x2cd/0x410 [ 55.772713][ T507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.777857][ T507] vfs_write+0xb57/0xe50 [ 55.782090][ T507] ksys_write+0x157/0x260 [ 55.786458][ T507] __x64_sys_write+0x7b/0x90 [ 55.791180][ T507] do_syscall_64+0x34/0x70 [ 55.795882][ T507] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.801855][ T507] RIP: 0033:0x7f67fbf350e9 [ 55.806280][ 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 [ 55.826589][ T507] RSP: 002b:00007f67fbe8a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.835016][ T507] RAX: ffffffffffffffda RBX: 00007f67fc048030 RCX: 00007f67fbf350e9 [ 55.843119][ T507] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.852144][ T507] RBP: 00007f67fbe8a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.860100][ T507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.868063][ T507] R13: 00007ffeddff177f R14: 00007f67fbe8a300 R15: 0000000000022000 [ 55.921661][ C0] !!! css_killed_ref_fn css ffff88810ec0bc00 !!! [ 55.928570][ C0] !!! css_killed_ref_fn css ffff88810ec08c00 !!! [ 55.935088][ T447] !!! css_release css ffff88810ec0bc00 !!! [ 55.940977][ T447] !!! css_put is zero set CSS_NO_REF css ffff88810ec0bc00 !!! [ 55.949238][ T456] !!! css_release css ffff88810ec08c00 !!! [ 55.955708][ T456] !!! css_put is zero set CSS_NO_REF css ffff88810ec08c00 !!! [ 55.963428][ T535] !!! css_create !!! [ 55.967497][ T535] !!! css_create !!! [ 55.971434][ T535] !!! css_create !!! [ 55.975807][ T535] FAULT_INJECTION: forcing a failure. [ 55.975807][ T535] name failslab, interval 1, probability 0, space 0, times 0 [ 55.988872][ T535] CPU: 0 PID: 535 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 56.000448][ T535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.010544][ T535] Call Trace: [ 56.013855][ T535] dump_stack+0x19c/0x1e2 [ 56.018188][ T535] should_fail+0x3f7/0x5b0 [ 56.022793][ T535] __should_failslab+0xd2/0x130 [ 56.027730][ T535] should_failslab+0x9/0x20 [ 56.032222][ T535] slab_pre_alloc_hook+0x25/0xe0 [ 56.037561][ T535] ? __kernfs_new_node+0x4c/0x6d0 [ 56.042661][ T535] __kmalloc_track_caller+0x70/0x300 [ 56.048061][ T535] ? __kernfs_new_node+0x4c/0x6d0 [ 56.053128][ T535] kstrdup_const+0x55/0x90 [ 56.057890][ T535] __kernfs_new_node+0x4c/0x6d0 [ 56.062741][ T535] ? string+0x29f/0x2b0 [ 56.066910][ T535] ? vsnprintf+0x1a6c/0x1b30 [ 56.071547][ T535] kernfs_new_node+0x97/0x170 [ 56.076408][ T535] __kernfs_create_file+0x4a/0x270 [ 56.081518][ T535] cgroup_addrm_files+0x99e/0xeb0 [ 56.086563][ T535] ? delete_node+0x747/0x7a0 [ 56.091162][ T535] css_populate_dir+0x137/0x370 [ 56.096327][ T535] cgroup_apply_control_enable+0x31e/0xfc0 [ 56.102512][ T535] cgroup_apply_control+0x36/0x710 [ 56.107758][ T535] ? init_wait_entry+0xe0/0xe0 [ 56.112548][ T535] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.117953][ T535] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.124035][ T535] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.130137][ T535] cgroup_file_write+0x22f/0x4f0 [ 56.135105][ T535] kernfs_fop_write_iter+0x2cd/0x410 [ 56.140547][ T535] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.146272][ T535] vfs_write+0xb57/0xe50 [ 56.150539][ T535] ksys_write+0x157/0x260 [ 56.154998][ T535] __x64_sys_write+0x7b/0x90 [ 56.159588][ T535] do_syscall_64+0x34/0x70 [ 56.164088][ T535] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.169969][ T535] RIP: 0033:0x7f53d6e970e9 [ 56.174366][ 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 [ 56.194258][ T535] RSP: 002b:00007f53d6e0d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.202654][ T535] RAX: ffffffffffffffda RBX: 00007f53d6fa9f60 RCX: 00007f53d6e970e9 [ 56.211115][ T535] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.219203][ T535] RBP: 00007f53d6e0d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.227177][ T535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.235147][ T535] R13: 00007ffc0887facf R14: 00007f53d6e0d300 R15: 0000000000022000 [ 56.244159][ T535] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 56.281594][ C0] !!! css_killed_ref_fn css ffff88810eee0800 !!! [ 56.288163][ C0] !!! css_killed_ref_fn css ffff88810eee3400 !!! [ 56.294559][ C0] !!! css_killed_ref_fn css ffff88810eee3800 !!! [ 56.301027][ T456] !!! css_release css ffff88810eee0800 !!! [ 56.306869][ T456] !!! css_put is zero set CSS_NO_REF css ffff88810eee0800 !!! [ 56.314439][ T456] !!! css_release css ffff88810eee3400 !!! [ 56.320512][ T456] !!! css_put is zero set CSS_NO_REF css ffff88810eee3400 !!! [ 56.328693][ T73] !!! css_release css ffff88810eee3800 !!! [ 56.334575][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810eee3800 !!! [ 56.342495][ T541] !!! css_create !!! [ 56.346456][ T541] !!! css_create !!! [ 56.350500][ T541] !!! css_create !!! [ 56.354750][ T541] FAULT_INJECTION: forcing a failure. [ 56.354750][ T541] name failslab, interval 1, probability 0, space 0, times 0 [ 56.367626][ T541] CPU: 0 PID: 541 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 56.379233][ T541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.389457][ T541] Call Trace: [ 56.392745][ T541] dump_stack+0x19c/0x1e2 [ 56.397191][ T541] should_fail+0x3f7/0x5b0 [ 56.401595][ T541] __should_failslab+0xd2/0x130 [ 56.406558][ T541] should_failslab+0x9/0x20 [ 56.411081][ T541] slab_pre_alloc_hook+0x25/0xe0 [ 56.416162][ T541] kmem_cache_alloc_trace+0x47/0x2b0 [ 56.421541][ T541] ? percpu_ref_init+0xd0/0x330 [ 56.426404][ T541] percpu_ref_init+0xd0/0x330 [ 56.431160][ T541] ? cgroup_setup_root+0x8a0/0x8a0 [ 56.436394][ T541] cgroup_apply_control_enable+0x49f/0xfc0 [ 56.442201][ T541] cgroup_apply_control+0x36/0x710 [ 56.447386][ T541] ? init_wait_entry+0xe0/0xe0 [ 56.452127][ T541] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.457559][ T541] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.463892][ T541] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.469882][ T541] cgroup_file_write+0x22f/0x4f0 [ 56.475145][ T541] kernfs_fop_write_iter+0x2cd/0x410 [ 56.480593][ T541] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.485876][ T541] vfs_write+0xb57/0xe50 [ 56.490101][ T541] ksys_write+0x157/0x260 [ 56.494413][ T541] __x64_sys_write+0x7b/0x90 [ 56.498988][ T541] do_syscall_64+0x34/0x70 [ 56.503393][ T541] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.509521][ T541] RIP: 0033:0x7f53d6e970e9 [ 56.513947][ T541] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.533810][ T541] RSP: 002b:00007f53d6dec168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.542483][ T541] RAX: ffffffffffffffda RBX: 00007f53d6faa030 RCX: 00007f53d6e970e9 [ 56.550445][ T541] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.558439][ T541] RBP: 00007f53d6dec1d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.566418][ T541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.574402][ T541] R13: 00007ffc0887facf R14: 00007f53d6dec300 R15: 0000000000022000 [ 56.585529][ T418] ------------[ cut here ]------------ [ 56.591026][ T418] WARNING: CPU: 1 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 56.600019][ T418] Modules linked in: [ 56.603938][ T418] CPU: 1 PID: 418 Comm: syz-executor.4 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 56.615640][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.625847][ T418] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 56.631465][ T418] Code: 48 c7 c2 00 df c4 85 e8 62 e2 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 f3 70 a7 ff e9 28 fd ff ff [ 56.651166][ T418] RSP: 0018:ffffc90000f27dd0 EFLAGS: 00010293 [ 56.657368][ T418] RAX: ffffffff81af02dc RBX: ffff88810cc0d760 RCX: ffff88810922db80 [ 56.665671][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 56.674231][ T418] RBP: ffffc90000f27e40 R08: ffffffff81af0007 R09: fffff520001e4fb2 [ 56.682431][ T418] R10: fffff520001e4fb2 R11: 1ffff920001e4fb1 R12: dffffc0000000000 [ 56.690417][ T418] R13: ffff88810cc0d680 R14: 00000000ffffffff R15: 0000000000000000 [ 56.698547][ T418] FS: 000055555649f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 56.708079][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.714694][ T418] CR2: 00005555564a8b38 CR3: 00000001091aa000 CR4: 00000000003506a0 [ 56.722722][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.730689][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.738824][ T418] Call Trace: [ 56.742277][ T418] path_umount+0x1ad/0xed0 [ 56.746719][ T418] __x64_sys_umount+0xe8/0x110 [ 56.751489][ T418] do_syscall_64+0x34/0x70 [ 56.755935][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.761863][ T418] RIP: 0033:0x7f53d6e98557 [ 56.766279][ T418] 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 [ 56.785926][ T418] RSP: 002b:00007ffc0887ec28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 56.794690][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f53d6e98557 [ 56.802699][ T418] RDX: 00007ffc0887ecf9 RSI: 000000000000000a RDI: 00007ffc0887ecf0 [ 56.810712][ T418] RBP: 00007ffc0887ecf0 R08: 00000000ffffffff R09: 00007ffc0887eac0 [ 56.818923][ T418] R10: 00005555564a0ba3 R11: 0000000000000246 R12: 00007f53d6ef01f8 [ 56.827281][ T418] R13: 00007ffc0887fdb0 R14: 00005555564a0b00 R15: 00007ffc0887fdf0 [ 56.835380][ T418] ---[ end trace f7beb61153947084 ]--- [ 56.845367][ C0] !!! css_killed_ref_fn css ffff88810f179800 !!! [ 56.851780][ C0] !!! css_killed_ref_fn css ffff88810f17a000 !!! [ 56.858412][ T456] !!! css_release css ffff88810f179800 !!! [ 56.864642][ T456] !!! css_put is zero set CSS_NO_REF css ffff88810f179800 !!! [ 56.872353][ T456] !!! css_release css ffff88810f17a000 !!! [ 56.878178][ T456] !!! css_put is zero set CSS_NO_REF css ffff88810f17a000 !!! [ 56.885931][ T538] !!! css_create !!! [ 56.890246][ T538] !!! css_create !!! [ 56.894270][ T538] !!! css_create !!! [ 56.898626][ T538] FAULT_INJECTION: forcing a failure. [ 56.898626][ T538] name failslab, interval 1, probability 0, space 0, times 0 [ 56.911331][ T538] CPU: 1 PID: 538 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 56.923432][ T538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.933574][ T538] Call Trace: [ 56.936865][ T538] dump_stack+0x19c/0x1e2 [ 56.941307][ T538] should_fail+0x3f7/0x5b0 [ 56.945855][ T538] __should_failslab+0xd2/0x130 [ 56.950694][ T538] should_failslab+0x9/0x20 [ 56.955411][ T538] slab_pre_alloc_hook+0x25/0xe0 [ 56.960535][ T538] ? __kernfs_new_node+0x4c/0x6d0 [ 56.965548][ T538] __kmalloc_track_caller+0x70/0x300 [ 56.970919][ T538] ? __kernfs_new_node+0x4c/0x6d0 [ 56.976277][ T538] kstrdup_const+0x55/0x90 [ 56.980697][ T538] __kernfs_new_node+0x4c/0x6d0 [ 56.985553][ T538] ? string+0x29f/0x2b0 [ 56.990302][ T538] ? vsnprintf+0x1a6c/0x1b30 [ 56.994901][ T538] kernfs_new_node+0x97/0x170 [ 56.999574][ T538] __kernfs_create_file+0x4a/0x270 [ 57.004687][ T538] cgroup_addrm_files+0x99e/0xeb0 [ 57.009721][ T538] ? delete_node+0x747/0x7a0 [ 57.014532][ T538] css_populate_dir+0x137/0x370 [ 57.019398][ T538] cgroup_apply_control_enable+0x31e/0xfc0 [ 57.025190][ T538] cgroup_apply_control+0x36/0x710 [ 57.030294][ T538] ? init_wait_entry+0xe0/0xe0 [ 57.035042][ T538] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.040323][ T538] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.046324][ T538] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.052286][ T538] cgroup_file_write+0x22f/0x4f0 [ 57.057235][ T538] kernfs_fop_write_iter+0x2cd/0x410 [ 57.062601][ T538] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.067717][ T538] vfs_write+0xb57/0xe50 [ 57.072083][ T538] ksys_write+0x157/0x260 [ 57.076420][ T538] __x64_sys_write+0x7b/0x90 [ 57.081007][ T538] do_syscall_64+0x34/0x70 [ 57.085434][ T538] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.091672][ T538] RIP: 0033:0x7f67fbf350e9 [ 57.096099][ T538] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.115986][ T538] RSP: 002b:00007f67fbe8a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.124756][ T538] RAX: ffffffffffffffda RBX: 00007f67fc048030 RCX: 00007f67fbf350e9 [ 57.133071][ T538] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.141147][ T538] RBP: 00007f67fbe8a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.149192][ T538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.157198][ T538] R13: 00007ffeddff177f R14: 00007f67fbe8a300 R15: 0000000000022000 [ 57.165871][ T538] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.175724][ T409] ------------[ cut here ]------------ [ 57.181347][ T409] WARNING: CPU: 0 PID: 409 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 57.190790][ T409] Modules linked in: [ 57.194740][ T409] CPU: 0 PID: 409 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 57.206500][ T409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.216615][ T409] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 57.222265][ T409] Code: 48 c7 c2 00 df c4 85 e8 62 e2 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 f3 70 a7 ff e9 28 fd ff ff [ 57.242321][ T409] RSP: 0018:ffffc90000e97dd0 EFLAGS: 00010293 [ 57.248608][ T409] RAX: ffffffff81af02dc RBX: ffff88810c1f3160 RCX: ffff8881025eadc0 [ 57.256627][ T409] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 57.264847][ T409] RBP: ffffc90000e97e40 R08: ffffffff81af0007 R09: fffff520001d2fb2 [ 57.272845][ T409] R10: fffff520001d2fb2 R11: 1ffff920001d2fb1 R12: dffffc0000000000 [ 57.280819][ T409] R13: ffff88810c1f3080 R14: 00000000ffffffff R15: 0000000000000000 [ 57.288808][ T409] FS: 00005555558d0400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 57.297852][ T409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.304534][ T409] CR2: 00005555558d9b38 CR3: 0000000109237000 CR4: 00000000003506b0 [ 57.312627][ T409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.320593][ T409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.328784][ T409] Call Trace: [ 57.332116][ T409] path_umount+0x1ad/0xed0 [ 57.336530][ T409] __x64_sys_umount+0xe8/0x110 [ 57.341295][ T409] do_syscall_64+0x34/0x70 [ 57.345764][ T409] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.351887][ T409] RIP: 0033:0x7f67fbf36557 [ 57.356295][ T409] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.376233][ T409] RSP: 002b:00007ffeddff08d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 57.384764][ T409] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f67fbf36557 [ 57.392770][ T409] RDX: 00007ffeddff09a9 RSI: 000000000000000a RDI: 00007ffeddff09a0 [ 57.400769][ T409] RBP: 00007ffeddff09a0 R08: 00000000ffffffff R09: 00007ffeddff0770 [ 57.408769][ T409] R10: 00005555558d1ba3 R11: 0000000000000246 R12: 00007f67fbf8e1f8 [ 57.416791][ T409] R13: 00007ffeddff1a60 R14: 00005555558d1b00 R15: 00007ffeddff1aa0 [ 57.424795][ T409] ---[ end trace f7beb61153947085 ]--- [ 57.430392][ T409] ------------[ cut here ]------------ [ 57.435946][ T409] WARNING: CPU: 0 PID: 409 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 57.444459][ C0] !!! css_killed_ref_fn css ffff88810f0f5c00 !!! [ 57.444493][ C0] !!! css_killed_ref_fn css ffff88810f0f7800 !!! [ 57.444499][ C0] !!! css_killed_ref_fn css ffff88810f0f6400 !!! [ 57.464020][ T73] !!! css_release css ffff88810f0f5c00 !!! [ 57.464161][ T409] Modules linked in: [ 57.469918][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810f0f5c00 !!! [ 57.469959][ T73] !!! css_release css ffff88810f0f7800 !!! [ 57.469965][ T73] !!! css_put is zero set CSS_NO_REF css ffff88810f0f7800 !!! [ 57.470354][ T531] !!! css_create !!! [ 57.474517][ T409] [ 57.481821][ T531] !!! css_create !!! [ 57.487657][ T409] CPU: 1 PID: 409 Comm: syz-executor.0 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 57.495221][ T531] !!! css_create !!! [ 57.499240][ T409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.501371][ T531] FAULT_INJECTION: forcing a failure. [ 57.501371][ T531] name failslab, interval 1, probability 0, space 0, times 0 [ 57.505326][ T409] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 57.517283][ T531] CPU: 0 PID: 531 Comm: syz-executor.1 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 57.521144][ T409] Code: ca 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 98 2e 20 86 80 e1 07 80 c1 03 38 c1 [ 57.531026][ T531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.531033][ T531] Call Trace: [ 57.531052][ T531] dump_stack+0x19c/0x1e2 [ 57.531063][ T531] should_fail+0x3f7/0x5b0 [ 57.531073][ T531] __should_failslab+0xd2/0x130 [ 57.531081][ T531] should_failslab+0x9/0x20 [ 57.531089][ T531] slab_pre_alloc_hook+0x25/0xe0 [ 57.531099][ T531] ? __kernfs_new_node+0x4c/0x6d0 [ 57.531106][ T531] __kmalloc_track_caller+0x70/0x300 [ 57.531115][ T531] ? __kernfs_new_node+0x4c/0x6d0 [ 57.531132][ T531] kstrdup_const+0x55/0x90 [ 57.543773][ T409] RSP: 0018:ffffc90000e97e30 EFLAGS: 00010293 [ 57.548868][ T531] __kernfs_new_node+0x4c/0x6d0 [ 57.548876][ T531] ? string+0x29f/0x2b0 [ 57.548891][ T531] ? vsnprintf+0x1a6c/0x1b30 [ 57.560501][ T409] [ 57.580025][ T531] kernfs_new_node+0x97/0x170 [ 57.580036][ T531] __kernfs_create_file+0x4a/0x270 [ 57.580048][ T531] cgroup_addrm_files+0x99e/0xeb0 [ 57.580068][ T531] ? delete_node+0x747/0x7a0 [ 57.590182][ T409] RAX: ffffffff81b00da5 RBX: ffffe8ffffd48f7c RCX: ffff8881025eadc0 [ 57.593544][ T531] css_populate_dir+0x137/0x370 [ 57.593557][ T531] cgroup_apply_control_enable+0x31e/0xfc0 [ 57.593567][ T531] cgroup_apply_control+0x36/0x710 [ 57.593576][ T531] ? init_wait_entry+0xe0/0xe0 [ 57.593585][ T531] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.593605][ T531] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.597990][ T409] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 57.602606][ T531] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.602616][ T531] cgroup_file_write+0x22f/0x4f0 [ 57.602625][ T531] kernfs_fop_write_iter+0x2cd/0x410 [ 57.602634][ T531] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.602643][ T531] vfs_write+0xb57/0xe50 [ 57.602653][ T531] ksys_write+0x157/0x260 [ 57.602662][ T531] __x64_sys_write+0x7b/0x90 [ 57.602672][ T531] do_syscall_64+0x34/0x70 [ 57.602682][ T531] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.602689][ T531] RIP: 0033:0x7fad5fff10e9 [ 57.602700][ 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 [ 57.602706][ T531] RSP: 002b:00007fad5ff46168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.602718][ T531] RAX: ffffffffffffffda RBX: 00007fad60104030 RCX: 00007fad5fff10e9 [ 57.602724][ T531] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.602730][ T531] RBP: 00007fad5ff461d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.602736][ T531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.602744][ T531] R13: 00007ffc20093fdf R14: 00007fad5ff46300 R15: 0000000000022000 [ 57.603847][ T531] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.608845][ T409] RBP: ffffc90000e97e80 R08: ffffffff81b00a83 R09: fffff520001d2fcd [ 57.862106][ T409] R10: fffff520001d2fcd R11: 1ffff920001d2fcc R12: ffff88810c1f30c8 [ 57.870454][ T409] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 57.878519][ T409] FS: 00005555558d0400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 57.888180][ T409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.895663][ T409] CR2: 00007fad60508000 CR3: 0000000109237000 CR4: 00000000003506a0 [ 57.901602][ C0] !!! css_killed_ref_fn css ffff88810f322400 !!! [ 57.905412][ T409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.911411][ C0] !!! css_killed_ref_fn css ffff88810f322800 !!! [ 57.919629][ T409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.926060][ C0] !!! css_killed_ref_fn css ffff88810f320400 !!! [ 57.926067][ C0] !!! css_release css ffff88810f320400 !!! [ 57.926086][ C0] list_add corruption. prev->next should be next (ffff8881f705b460), but was ffff88810f320470. (prev=ffff88810f320470). [ 57.959845][ C0] ------------[ cut here ]------------ [ 57.965463][ C0] kernel BUG at lib/list_debug.c:28! [ 57.970890][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 57.976993][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.10.118-syzkaller-00001-g08d8dbfab803 #0 [ 57.988035][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.998337][ C0] RIP: 0010:__list_add_valid+0xde/0xf0 [ 58.003774][ C0] Code: f1 31 c0 e8 f7 6a 1c 02 0f 0b 48 c7 c7 d0 42 d6 85 e8 b6 f2 19 00 48 c7 c7 40 ff 02 85 4c 89 f6 4c 89 e1 31 c0 e8 d5 6a 1c 02 <0f> 0b 48 c7 c7 e0 42 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 58.023888][ C0] RSP: 0018:ffffc90000007bc0 EFLAGS: 00010046 [ 58.029936][ C0] RAX: 0000000000000075 RBX: ffff8881f705b468 RCX: 07d8e9a57264fe00 [ 58.037896][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 58.045862][ C0] RBP: ffffc90000007be8 R08: ffffffff81514568 R09: fffff52000000f11 [ 58.054122][ C0] R10: fffff52000000f11 R11: 1ffff92000000f10 R12: ffff88810f320470 [ 58.062436][ C0] R13: dffffc0000000000 R14: ffff8881f705b460 R15: ffff88810f320470 [ 58.070390][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 58.079306][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.085901][ C0] CR2: 00007fad60105090 CR3: 00000001149cd000 CR4: 00000000003506b0 [ 58.093987][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.101953][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.110363][ C0] Call Trace: [ 58.113740][ C0] [ 58.116597][ C0] insert_work+0xfc/0x330 [ 58.120909][ C0] __queue_work+0x99e/0xe20 [ 58.125410][ C0] queue_work_on+0xbe/0x110 [ 58.130061][ C0] css_release+0xc0/0xd0 [ 58.134289][ C0] percpu_ref_switch_to_atomic_rcu+0x5be/0x5e0 [ 58.140557][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 58.147310][ C0] rcu_do_batch+0x4ad/0xb00 [ 58.151990][ C0] rcu_core+0x64a/0xdf0 [ 58.156492][ C0] rcu_core_si+0x9/0x10 [ 58.160644][ C0] __do_softirq+0x253/0x67b [ 58.165267][ C0] asm_call_irq_on_stack+0xf/0x20 [ 58.170293][ C0] [ 58.173241][ C0] do_softirq_own_stack+0x60/0x80 [ 58.178263][ C0] __irq_exit_rcu+0x152/0x1e0 [ 58.182928][ C0] irq_exit_rcu+0x9/0x10 [ 58.187144][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 58.192750][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 58.198702][ C0] RIP: 0010:acpi_idle_do_entry+0xbb/0x1f0 [ 58.204524][ C0] Code: 89 de 48 83 e6 08 31 ff e8 62 51 0a fd 48 83 e3 08 0f 85 ae 00 00 00 e9 0c 00 00 00 e8 2e 4c 0a fd 0f 00 2d 37 30 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 [ 58.224629][ C0] RSP: 0018:ffffffff85a07ce8 EFLAGS: 00000246 [ 58.230787][ C0] RAX: 1ffffffff0b43630 RBX: 0000000000000000 RCX: 0000000000000000 [ 58.238763][ C0] RDX: ffffffff85a1b180 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.246726][ C0] RBP: ffffffff85a07d00 R08: ffffffff845ec36e R09: fffffbfff0b43631 [ 58.254828][ C0] R10: fffffbfff0b43631 R11: 1ffffffff0b43630 R12: 0000000000000001 [ 58.262795][ C0] R13: ffff8881050d1804 R14: ffff888100075864 R15: dffffc0000000000 [ 58.271038][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 58.276136][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 58.281252][ C0] acpi_idle_enter+0x32d/0x4f0 [ 58.286038][ C0] ? rcu_dynticks_eqs_enter+0xa/0x40 [ 58.291325][ C0] cpuidle_enter_state+0x4c8/0x10d0 [ 58.296605][ C0] cpuidle_enter+0x5f/0xa0 [ 58.301015][ C0] do_idle+0x3a8/0x540 [ 58.305072][ C0] cpu_startup_entry+0x25/0x30 [ 58.309834][ C0] rest_init+0xe6/0xf0 [ 58.314027][ C0] ? time_init+0x38/0x38 [ 58.318268][ C0] arch_call_rest_init+0xe/0x10 [ 58.323161][ C0] start_kernel+0x473/0x50e [ 58.327945][ C0] x86_64_start_reservations+0x2a/0x2c [ 58.333529][ C0] x86_64_start_kernel+0x7a/0x7d [ 58.338664][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 58.344552][ C0] Modules linked in: [ 58.348623][ C0] ---[ end trace f7beb61153947086 ]--- [ 58.354101][ C0] RIP: 0010:__list_add_valid+0xde/0xf0 [ 58.359753][ C0] Code: f1 31 c0 e8 f7 6a 1c 02 0f 0b 48 c7 c7 d0 42 d6 85 e8 b6 f2 19 00 48 c7 c7 40 ff 02 85 4c 89 f6 4c 89 e1 31 c0 e8 d5 6a 1c 02 <0f> 0b 48 c7 c7 e0 42 d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 58.379708][ C0] RSP: 0018:ffffc90000007bc0 EFLAGS: 00010046 [ 58.385796][ C0] RAX: 0000000000000075 RBX: ffff8881f705b468 RCX: 07d8e9a57264fe00 [ 58.393762][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 58.401716][ C0] RBP: ffffc90000007be8 R08: ffffffff81514568 R09: fffff52000000f11 [ 58.410055][ C0] R10: fffff52000000f11 R11: 1ffff92000000f10 R12: ffff88810f320470 [ 58.418607][ C0] R13: dffffc0000000000 R14: ffff8881f705b460 R15: ffff88810f320470 [ 58.426601][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 58.435598][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.442343][ C0] CR2: 00007fad60105090 CR3: 00000001149cd000 CR4: 00000000003506b0 [ 58.450307][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.458366][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.466325][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 59.581458][ C0] Shutting down cpus with NMI [ 59.586450][ C0] Kernel Offset: disabled [ 59.590909][ C0] Rebooting in 86400 seconds..