Warning: Permanently added '10.128.0.251' (ECDSA) to the list of known hosts. 2022/06/01 20:31:11 parsed 1 programs [ 38.421659][ T23] audit: type=1400 audit(1654115471.660:149): avc: denied { mounton } for pid=399 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 38.425004][ T399] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 38.453295][ T399] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 38.460657][ T399] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! 2022/06/01 20:31:11 executed programs: 0 [ 38.468124][ T399] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 38.475384][ T399] cgroup: Unknown subsys name 'net' [ 38.480914][ T399] cgroup: Unknown subsys name 'devices' [ 38.487594][ T399] cgroup: Unknown subsys name 'hugetlb' [ 38.493231][ T399] cgroup: Unknown subsys name 'rlimit' [ 38.499401][ T23] audit: type=1400 audit(1654115471.750:150): avc: denied { mounton } for pid=399 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 38.528436][ T23] audit: type=1400 audit(1654115471.750:151): avc: denied { mount } for pid=399 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 38.590953][ T23] audit: type=1400 audit(1654115471.800:152): avc: denied { mounton } for pid=408 comm="syz-executor.0" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 38.626958][ T23] audit: type=1400 audit(1654115471.800:153): avc: denied { module_request } for pid=407 comm="syz-executor.2" kmod="netdev-nr2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 38.641481][ T407] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.656258][ T407] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.663812][ T407] device bridge_slave_0 entered promiscuous mode [ 38.685277][ T407] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.692494][ T407] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.699911][ T407] device bridge_slave_1 entered promiscuous mode [ 38.725895][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.732948][ T406] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.740408][ T406] device bridge_slave_0 entered promiscuous mode [ 38.748278][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.755799][ T406] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.763177][ T406] device bridge_slave_1 entered promiscuous mode [ 38.833681][ T412] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.841156][ T412] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.848641][ T412] device bridge_slave_0 entered promiscuous mode [ 38.857988][ T412] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.865447][ T412] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.879181][ T412] device bridge_slave_1 entered promiscuous mode [ 38.893908][ T408] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.901236][ T408] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.908640][ T408] device bridge_slave_0 entered promiscuous mode [ 38.915626][ T408] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.922770][ T408] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.930640][ T408] device bridge_slave_1 entered promiscuous mode [ 38.959330][ T411] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.967020][ T411] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.974537][ T411] device bridge_slave_0 entered promiscuous mode [ 39.011747][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.019028][ T413] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.026510][ T413] device bridge_slave_0 entered promiscuous mode [ 39.033060][ T411] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.040428][ T411] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.048294][ T411] device bridge_slave_1 entered promiscuous mode [ 39.057149][ T407] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.064840][ T407] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.072380][ T407] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.079576][ T407] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.095796][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.103160][ T413] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.110820][ T413] device bridge_slave_1 entered promiscuous mode [ 39.121192][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.128265][ T406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.135640][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.142806][ T406] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.211232][ T412] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.219783][ T412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.228378][ T412] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.236323][ T412] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.268172][ T411] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.276968][ T411] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.284178][ T411] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.291211][ T411] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.299588][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.307316][ T107] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.314540][ T107] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.321998][ T107] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.329235][ T107] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.336822][ T107] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.344108][ T107] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.351621][ T107] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.358834][ T107] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.417998][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.426460][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.434547][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.442276][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.450297][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.458819][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.465909][ T371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.473475][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.481846][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.489034][ T371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.496737][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.505049][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.513086][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.521513][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.529067][ T371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.536674][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.545105][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.552120][ T371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.559765][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.568001][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.575135][ T371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.582448][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.590804][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.597931][ T371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.605295][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.613164][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.622389][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.630496][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.637526][ T371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.644879][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.653069][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.660102][ T371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.695165][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.703667][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.712159][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.720439][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.728952][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.737162][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.745532][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.752865][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.760598][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.768704][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.776943][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.786477][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.794430][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.802804][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.811127][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.819341][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.827278][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.835407][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.862988][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.871483][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.880111][ T107] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.887171][ T107] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.895719][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.903938][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.912317][ T107] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.919456][ T107] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.927054][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.935215][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.943131][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.951394][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.959323][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.967957][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.976424][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.984502][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.993329][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.001454][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.009531][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.017702][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.038551][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.046996][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.055346][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.062955][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.071630][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.080001][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.088430][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.107181][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.115494][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.123524][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.132481][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.140930][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.149524][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.159380][ T23] audit: type=1400 audit(1654115473.400:154): avc: denied { mount } for pid=406 comm="syz-executor.1" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 40.160093][ T406] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 40.191669][ T406] !!!!! cgroup_kn_unlock css ffff88810bb80000 flags a !!! [ 40.200230][ T406] !!!!! cgroup_kn_unlock css ffff88811a42c010 flags a !!! [ 40.208454][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.209058][ T406] !!!!! cgroup_kn_unlock css ffff88810ba20000 flags a !!! [ 40.216995][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.233043][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.241784][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.249864][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.257857][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.267633][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.276194][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.284527][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.307835][ T406] !!!!! cgroup_kn_unlock css ffff88811a550010 flags a !!! [ 40.317741][ T406] !!!!! cgroup_kn_unlock css ffff88810bf1c000 flags a !!! [ 40.317769][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.330456][ T23] audit: type=1400 audit(1654115473.570:155): avc: denied { mounton } for pid=434 comm="syz-executor.1" path="/root/syzkaller-testdir3095163302/syzkaller.hAZPMJ/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 40.337413][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.362357][ T435] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 40.373562][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.383662][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.391226][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.399888][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.408547][ T414] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.416807][ T414] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.424184][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.433203][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.441799][ T414] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.448842][ T414] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.456402][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.464569][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.473041][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.482309][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.491108][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.499795][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.508388][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.514790][ C1] !!!!! css_killed_ref_fn css ffff88811c13f800 !!! [ 40.517416][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.523199][ C1] !!!!! css_killed_ref_fn css ffff88810bbde000 !!! [ 40.531672][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.538000][ T107] !!!!! css_release css ffff88811c13f800 !!! [ 40.555189][ T107] !!!!! css_release css ffff88810bbde000 !!! [ 40.561653][ T435] FAULT_INJECTION: forcing a failure. [ 40.561653][ T435] name failslab, interval 1, probability 0, space 0, times 1 [ 40.575534][ T435] CPU: 0 PID: 435 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 40.586005][ T435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.596249][ T435] Call Trace: [ 40.599530][ T435] dump_stack+0x19c/0x1e2 [ 40.603867][ T435] should_fail+0x3f7/0x5b0 [ 40.608622][ T435] __should_failslab+0xd2/0x130 [ 40.613536][ T435] should_failslab+0x9/0x20 [ 40.618023][ T435] slab_pre_alloc_hook+0x25/0xe0 [ 40.622954][ T435] kmem_cache_alloc_trace+0x47/0x2b0 [ 40.628324][ T435] ? allocate_cgrp_cset_links+0xb3/0x270 [ 40.633941][ T435] allocate_cgrp_cset_links+0xb3/0x270 [ 40.639376][ T435] find_css_set+0x9ea/0x1500 [ 40.644037][ T435] cgroup_migrate_prepare_dst+0xd1/0x950 [ 40.649729][ T435] cgroup_apply_control+0x567/0x710 [ 40.655491][ T435] cgroup_subtree_control_write+0xd05/0x12d0 [ 40.661479][ T435] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 40.667741][ T435] cgroup_file_write+0x22f/0x4f0 [ 40.673570][ T435] kernfs_fop_write_iter+0x2cd/0x410 [ 40.678956][ T435] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.684058][ T435] vfs_write+0xb57/0xe50 [ 40.688653][ T435] ksys_write+0x157/0x260 [ 40.693366][ T435] __x64_sys_write+0x7b/0x90 [ 40.698037][ T435] do_syscall_64+0x34/0x70 [ 40.702451][ T435] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.708580][ T435] RIP: 0033:0x7fa4c97d60e9 [ 40.713073][ T435] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.733341][ T435] RSP: 002b:00007fa4c974c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.742328][ T435] RAX: ffffffffffffffda RBX: 00007fa4c98e8f60 RCX: 00007fa4c97d60e9 [ 40.750278][ T435] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.758639][ T435] RBP: 00007fa4c974c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.766680][ T435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.774806][ T435] R13: 00007ffeafcd9bdf R14: 00007fa4c974c300 R15: 0000000000022000 [ 40.789142][ T23] audit: type=1400 audit(1654115474.030:156): 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 [ 40.790094][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.813812][ T23] audit: type=1400 audit(1654115474.030:157): 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 [ 40.821696][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.843391][ T23] audit: type=1400 audit(1654115474.030:158): 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 [ 40.851939][ T435] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 40.874954][ T407] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 40.897708][ T412] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 40.905072][ C0] !!!!! css_killed_ref_fn css ffff88810c367000 !!! [ 40.905081][ C0] !!!!! css_killed_ref_fn css ffff88810c364c00 !!! [ 40.918493][ T74] !!!!! css_release css ffff88810c367000 !!! [ 40.925682][ T433] !!!!! css_release css ffff88810c364c00 !!! [ 40.932827][ T438] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 40.932865][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.940641][ T412] !!!!! cgroup_kn_unlock css ffff88810c332000 flags a !!! [ 40.948915][ T411] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 40.955816][ T438] FAULT_INJECTION: forcing a failure. [ 40.955816][ T438] name failslab, interval 1, probability 0, space 0, times 0 [ 40.964104][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.975811][ T438] CPU: 0 PID: 438 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 40.983918][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.993391][ T438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.993395][ T438] Call Trace: [ 40.993411][ T438] dump_stack+0x19c/0x1e2 [ 40.993422][ T438] should_fail+0x3f7/0x5b0 [ 40.993431][ T438] __should_failslab+0xd2/0x130 [ 40.993448][ T438] ? __kernfs_new_node+0x97/0x6d0 [ 41.002212][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.011324][ T438] should_failslab+0x9/0x20 [ 41.011335][ T438] slab_pre_alloc_hook+0x25/0xe0 [ 41.011344][ T438] ? __kernfs_new_node+0x97/0x6d0 [ 41.011352][ T438] kmem_cache_alloc+0x40/0x2a0 [ 41.011362][ T438] __kernfs_new_node+0x97/0x6d0 [ 41.011370][ T438] ? string+0x29f/0x2b0 [ 41.011378][ T438] ? vsnprintf+0x1a6c/0x1b30 [ 41.011389][ T438] kernfs_new_node+0x97/0x170 [ 41.011397][ T438] __kernfs_create_file+0x4a/0x270 [ 41.011408][ T438] cgroup_addrm_files+0x99e/0xeb0 [ 41.011418][ T438] ? delete_node+0x747/0x7a0 [ 41.011428][ T438] css_populate_dir+0x137/0x370 [ 41.011445][ T438] cgroup_apply_control_enable+0x5cd/0xf70 [ 41.015614][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.019130][ T438] cgroup_apply_control+0x36/0x710 [ 41.019139][ T438] ? init_wait_entry+0xe0/0xe0 [ 41.019155][ T438] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.023775][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.028543][ T438] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.028555][ T438] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.028564][ T438] cgroup_file_write+0x22f/0x4f0 [ 41.028581][ T438] kernfs_fop_write_iter+0x2cd/0x410 [ 41.157515][ T438] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.162610][ T438] vfs_write+0xb57/0xe50 [ 41.166838][ T438] ksys_write+0x157/0x260 [ 41.171260][ T438] __x64_sys_write+0x7b/0x90 [ 41.175832][ T438] do_syscall_64+0x34/0x70 [ 41.180232][ T438] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.186110][ T438] RIP: 0033:0x7fa4c97d60e9 [ 41.190646][ T438] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.215358][ T438] RSP: 002b:00007fa4c974c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.223747][ T438] RAX: ffffffffffffffda RBX: 00007fa4c98e8f60 RCX: 00007fa4c97d60e9 [ 41.231701][ T438] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.239703][ T438] RBP: 00007fa4c974c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.247776][ T438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.256706][ T438] R13: 00007ffeafcd9bdf R14: 00007fa4c974c300 R15: 0000000000022000 [ 41.265816][ T438] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.273404][ T407] !!!!! cgroup_kn_unlock css ffff88810c234000 flags a !!! [ 41.276136][ T438] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 41.281028][ T408] !!!!! cgroup_kn_unlock css ffff88811c116000 flags a !!! [ 41.291300][ T411] !!!!! cgroup_kn_unlock css ffff88810c412000 flags a !!! [ 41.303440][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.312538][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.314988][ C1] !!!!! css_killed_ref_fn css ffff88810c66dc00 !!! [ 41.320943][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.327699][ C1] !!!!! css_killed_ref_fn css ffff88810c66f000 !!! [ 41.336030][ T414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.342154][ C1] !!!!! css_killed_ref_fn css ffff88810c66cc00 !!! [ 41.352551][ T412] !!!!! cgroup_kn_unlock css ffff88811a42c010 flags a !!! [ 41.358808][ T24] !!!!! css_release css ffff88810c66dc00 !!! [ 41.371438][ T19] !!!!! css_release css ffff88810c66f000 !!! [ 41.371444][ T413] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 41.385624][ T407] !!!!! cgroup_kn_unlock css ffff88811a42c010 flags a !!! [ 41.386446][ T413] !!!!! cgroup_kn_unlock css ffff88810c960000 flags a !!! [ 41.393611][ T407] !!!!! cgroup_kn_unlock css ffff88810c932000 flags a !!! [ 41.400365][ T408] !!!!! cgroup_kn_unlock css ffff88811c068000 flags a !!! [ 41.409411][ T407] !!!!! cgroup_kn_unlock css ffff88811a550010 flags a !!! [ 41.415176][ T411] !!!!! cgroup_kn_unlock css ffff88811a42c010 flags a !!! [ 41.422307][ T407] !!!!! cgroup_kn_unlock css ffff88810c930000 flags a !!! [ 41.428898][ T24] !!!!! css_release css ffff88810c66cc00 !!! [ 41.429902][ T411] !!!!! cgroup_kn_unlock css ffff88810c7ac000 flags a !!! [ 41.436434][ T440] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 41.442711][ T408] !!!!! cgroup_kn_unlock css ffff88811c06a000 flags a !!! [ 41.450155][ T412] !!!!! cgroup_kn_unlock css ffff88810c630000 flags a !!! [ 41.457334][ T413] !!!!! cgroup_kn_unlock css ffff88811a42c010 flags a !!! [ 41.465084][ T412] !!!!! cgroup_kn_unlock css ffff88811a550010 flags a !!! [ 41.474656][ T413] !!!!! cgroup_kn_unlock css ffff88810c7aa000 flags a !!! [ 41.493911][ T441] FAULT_INJECTION: forcing a failure. [ 41.493911][ T441] name failslab, interval 1, probability 0, space 0, times 0 [ 41.509008][ T441] CPU: 1 PID: 441 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 41.519628][ T441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.530285][ T441] Call Trace: [ 41.533897][ T441] dump_stack+0x19c/0x1e2 [ 41.538232][ T441] should_fail+0x3f7/0x5b0 [ 41.542650][ T441] __should_failslab+0xd2/0x130 [ 41.547571][ T441] ? __kernfs_new_node+0x97/0x6d0 [ 41.552632][ T441] should_failslab+0x9/0x20 [ 41.557126][ T441] slab_pre_alloc_hook+0x25/0xe0 [ 41.562698][ T441] ? __kernfs_new_node+0x97/0x6d0 [ 41.567805][ T441] kmem_cache_alloc+0x40/0x2a0 [ 41.572561][ T441] __kernfs_new_node+0x97/0x6d0 [ 41.577398][ T441] ? string+0x29f/0x2b0 [ 41.581544][ T441] ? vsnprintf+0x1a6c/0x1b30 [ 41.586462][ T441] kernfs_new_node+0x97/0x170 [ 41.591131][ T441] __kernfs_create_file+0x4a/0x270 [ 41.596236][ T441] cgroup_addrm_files+0x99e/0xeb0 [ 41.601340][ T441] ? delete_node+0x747/0x7a0 [ 41.605926][ T441] css_populate_dir+0x137/0x370 [ 41.610867][ T441] cgroup_apply_control_enable+0x5cd/0xf70 [ 41.616779][ T441] cgroup_apply_control+0x36/0x710 [ 41.622054][ T441] ? init_wait_entry+0xe0/0xe0 [ 41.626930][ T441] ? cgroup_kn_lock_live+0x1af/0x370 [ 41.632194][ T441] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.638170][ T441] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.644134][ T441] cgroup_file_write+0x22f/0x4f0 [ 41.649104][ T441] kernfs_fop_write_iter+0x2cd/0x410 [ 41.654383][ T441] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.659534][ T441] vfs_write+0xb57/0xe50 [ 41.663780][ T441] ksys_write+0x157/0x260 [ 41.668212][ T441] __x64_sys_write+0x7b/0x90 [ 41.672891][ T441] do_syscall_64+0x34/0x70 [ 41.677298][ T441] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.683313][ T441] RIP: 0033:0x7fa4c97d60e9 [ 41.687811][ 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 [ 41.708067][ T441] RSP: 002b:00007fa4c972b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.716504][ T441] RAX: ffffffffffffffda RBX: 00007fa4c98e9030 RCX: 00007fa4c97d60e9 [ 41.724576][ T441] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.732626][ T441] RBP: 00007fa4c972b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.740642][ T441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.748796][ T441] R13: 00007ffeafcd9bdf R14: 00007fa4c972b300 R15: 0000000000022000 [ 41.758296][ T441] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.765686][ T441] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 41.766562][ T412] !!!!! cgroup_kn_unlock css ffff88810c936000 flags a !!! [ 41.773183][ T411] !!!!! cgroup_kn_unlock css ffff88811a550010 flags a !!! [ 41.787904][ T413] !!!!! cgroup_kn_unlock css ffff88811a550010 flags a !!! [ 41.800093][ C1] !!!!! css_killed_ref_fn css ffff88810c695000 !!! [ 41.806937][ C1] !!!!! css_killed_ref_fn css ffff88810c696800 !!! [ 41.814278][ T24] !!!!! css_release css ffff88810c695000 !!! [ 41.821618][ T24] !!!!! css_release css ffff88810c696800 !!! [ 41.828995][ C1] !!!!! css_killed_ref_fn css ffff88810c697c00 !!! [ 41.835890][ T413] !!!!! cgroup_kn_unlock css ffff88810ca16000 flags a !!! [ 41.844821][ T411] !!!!! cgroup_kn_unlock css ffff88810ca10000 flags a !!! [ 41.855161][ T19] !!!!! css_release css ffff88810c697c00 !!! [ 41.865010][ T451] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 41.873513][ T449] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 41.874002][ T455] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 41.886137][ T451] FAULT_INJECTION: forcing a failure. [ 41.886137][ T451] name failslab, interval 1, probability 0, space 0, times 0 [ 41.901404][ T451] CPU: 1 PID: 451 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 41.911755][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.921814][ T451] Call Trace: [ 41.925088][ T451] dump_stack+0x19c/0x1e2 [ 41.929629][ T451] should_fail+0x3f7/0x5b0 [ 41.934207][ T451] __should_failslab+0xd2/0x130 [ 41.939540][ T451] should_failslab+0x9/0x20 [ 41.944196][ T451] slab_pre_alloc_hook+0x25/0xe0 [ 41.949397][ T451] ? __kernfs_new_node+0x4c/0x6d0 [ 41.954410][ T451] __kmalloc_track_caller+0x70/0x300 [ 41.959795][ T451] ? __kernfs_new_node+0x4c/0x6d0 [ 41.966293][ T451] kstrdup_const+0x55/0x90 [ 41.971149][ T451] __kernfs_new_node+0x4c/0x6d0 [ 41.976267][ T451] ? string+0x29f/0x2b0 [ 41.980407][ T451] ? vsnprintf+0x1a6c/0x1b30 [ 41.986045][ T451] kernfs_new_node+0x97/0x170 [ 41.990706][ T451] __kernfs_create_file+0x4a/0x270 [ 41.996006][ T451] cgroup_addrm_files+0x99e/0xeb0 [ 42.001029][ T451] ? delete_node+0x747/0x7a0 [ 42.005609][ T451] css_populate_dir+0x137/0x370 [ 42.010565][ T451] cgroup_apply_control_enable+0x5cd/0xf70 [ 42.016353][ T451] cgroup_apply_control+0x36/0x710 [ 42.021451][ T451] ? init_wait_entry+0xe0/0xe0 [ 42.026194][ T451] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.031457][ T451] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.037518][ T451] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.043475][ T451] cgroup_file_write+0x22f/0x4f0 [ 42.048397][ T451] kernfs_fop_write_iter+0x2cd/0x410 [ 42.053802][ T451] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.058997][ T451] vfs_write+0xb57/0xe50 [ 42.063220][ T451] ksys_write+0x157/0x260 [ 42.067530][ T451] __x64_sys_write+0x7b/0x90 [ 42.072197][ T451] do_syscall_64+0x34/0x70 [ 42.076595][ T451] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.082637][ T451] RIP: 0033:0x7fb1537f10e9 [ 42.087047][ T451] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.106771][ T451] RSP: 002b:00007fb153767168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.115590][ T451] RAX: ffffffffffffffda RBX: 00007fb153903f60 RCX: 00007fb1537f10e9 [ 42.123815][ T451] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.131780][ T451] RBP: 00007fb1537671d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.139736][ T451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.147693][ T451] R13: 00007fff6c68acbf R14: 00007fb153767300 R15: 0000000000022000 [ 42.156490][ T451] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.163815][ T451] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 42.204919][ C0] !!!!! css_killed_ref_fn css ffff88811ec4f000 !!! [ 42.211550][ C0] !!!!! css_killed_ref_fn css ffff88811ec4cc00 !!! [ 42.218081][ C0] !!!!! css_killed_ref_fn css ffff88811ec4d400 !!! [ 42.224773][ T5] !!!!! css_release css ffff88811ec4f000 !!! [ 42.231567][ T5] !!!!! css_release css ffff88811ec4cc00 !!! [ 42.238234][ T5] !!!!! css_release css ffff88811ec4d400 !!! [ 42.244370][ T449] FAULT_INJECTION: forcing a failure. [ 42.244370][ T449] name failslab, interval 1, probability 0, space 0, times 0 [ 42.257212][ T449] CPU: 1 PID: 449 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 42.267436][ T449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.277575][ T449] Call Trace: [ 42.280890][ T449] dump_stack+0x19c/0x1e2 [ 42.285214][ T449] should_fail+0x3f7/0x5b0 [ 42.289608][ T449] __should_failslab+0xd2/0x130 [ 42.294437][ T449] ? __kernfs_new_node+0x97/0x6d0 [ 42.299458][ T449] should_failslab+0x9/0x20 [ 42.304025][ T449] slab_pre_alloc_hook+0x25/0xe0 [ 42.308937][ T449] ? __kernfs_new_node+0x97/0x6d0 [ 42.314152][ T449] kmem_cache_alloc+0x40/0x2a0 [ 42.318987][ T449] __kernfs_new_node+0x97/0x6d0 [ 42.323831][ T449] ? string+0x29f/0x2b0 [ 42.327982][ T449] ? vsnprintf+0x1a6c/0x1b30 [ 42.332741][ T449] kernfs_new_node+0x97/0x170 [ 42.337496][ T449] __kernfs_create_file+0x4a/0x270 [ 42.342675][ T449] cgroup_addrm_files+0x99e/0xeb0 [ 42.347698][ T449] ? delete_node+0x747/0x7a0 [ 42.352291][ T449] css_populate_dir+0x137/0x370 [ 42.357138][ T449] cgroup_apply_control_enable+0x5cd/0xf70 [ 42.362933][ T449] cgroup_apply_control+0x36/0x710 [ 42.368137][ T449] ? init_wait_entry+0xe0/0xe0 [ 42.372962][ T449] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.378233][ T449] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.384284][ T449] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.390242][ T449] cgroup_file_write+0x22f/0x4f0 [ 42.395174][ T449] kernfs_fop_write_iter+0x2cd/0x410 [ 42.400444][ T449] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.405532][ T449] vfs_write+0xb57/0xe50 [ 42.409749][ T449] ksys_write+0x157/0x260 [ 42.414052][ T449] __x64_sys_write+0x7b/0x90 [ 42.418621][ T449] do_syscall_64+0x34/0x70 [ 42.423012][ T449] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.428890][ T449] RIP: 0033:0x7fb2ff66d0e9 [ 42.433283][ T449] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.452872][ T449] RSP: 002b:00007fb2ff5e3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.462221][ T449] RAX: ffffffffffffffda RBX: 00007fb2ff77ff60 RCX: 00007fb2ff66d0e9 [ 42.472098][ T449] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.480949][ T449] RBP: 00007fb2ff5e31d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.488900][ T449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.496861][ T449] R13: 00007ffcb82b8a6f R14: 00007fb2ff5e3300 R15: 0000000000022000 [ 42.507095][ T449] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.514359][ T449] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 42.534792][ C0] !!!!! css_killed_ref_fn css ffff88810ced1c00 !!! [ 42.541452][ C0] !!!!! css_killed_ref_fn css ffff88810ced3000 !!! [ 42.548203][ C0] !!!!! css_killed_ref_fn css ffff88810ced0c00 !!! [ 42.554818][ T5] !!!!! css_release css ffff88810ced1c00 !!! [ 42.560888][ T5] !!!!! css_release css ffff88810ced3000 !!! [ 42.567930][ T5] !!!!! css_release css ffff88810ced0c00 !!! [ 42.574027][ T466] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 42.574625][ T468] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 42.582213][ T453] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 42.589739][ T472] FAULT_INJECTION: forcing a failure. [ 42.589739][ T472] name failslab, interval 1, probability 0, space 0, times 0 [ 42.609492][ T472] CPU: 1 PID: 472 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 42.619628][ T472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.630125][ T472] Call Trace: [ 42.633415][ T472] dump_stack+0x19c/0x1e2 [ 42.637850][ T472] should_fail+0x3f7/0x5b0 [ 42.642288][ T472] __should_failslab+0xd2/0x130 [ 42.647296][ T472] should_failslab+0x9/0x20 [ 42.651776][ T472] slab_pre_alloc_hook+0x25/0xe0 [ 42.656712][ T472] ? __kernfs_new_node+0x4c/0x6d0 [ 42.661811][ T472] __kmalloc_track_caller+0x70/0x300 [ 42.667089][ T472] ? __kernfs_new_node+0x4c/0x6d0 [ 42.672093][ T472] kstrdup_const+0x55/0x90 [ 42.676494][ T472] __kernfs_new_node+0x4c/0x6d0 [ 42.681323][ T472] ? string+0x29f/0x2b0 [ 42.685465][ T472] ? vsnprintf+0x1a6c/0x1b30 [ 42.690150][ T472] kernfs_new_node+0x97/0x170 [ 42.694821][ T472] __kernfs_create_file+0x4a/0x270 [ 42.699922][ T472] cgroup_addrm_files+0x99e/0xeb0 [ 42.704943][ T472] ? delete_node+0x747/0x7a0 [ 42.709533][ T472] css_populate_dir+0x137/0x370 [ 42.714387][ T472] cgroup_apply_control_enable+0x5cd/0xf70 [ 42.720285][ T472] cgroup_apply_control+0x36/0x710 [ 42.725390][ T472] ? init_wait_entry+0xe0/0xe0 [ 42.730156][ T472] ? cgroup_kn_lock_live+0x1af/0x370 [ 42.735430][ T472] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.741404][ T472] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.747361][ T472] cgroup_file_write+0x22f/0x4f0 [ 42.752276][ T472] kernfs_fop_write_iter+0x2cd/0x410 [ 42.757542][ T472] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.762649][ T472] vfs_write+0xb57/0xe50 [ 42.767577][ T472] ksys_write+0x157/0x260 [ 42.771900][ T472] __x64_sys_write+0x7b/0x90 [ 42.776476][ T472] do_syscall_64+0x34/0x70 [ 42.781146][ T472] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.787040][ T472] RIP: 0033:0x7fb1537f10e9 [ 42.791445][ T472] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.811152][ T472] RSP: 002b:00007fb153746168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.819694][ T472] RAX: ffffffffffffffda RBX: 00007fb153904030 RCX: 00007fb1537f10e9 [ 42.827797][ T472] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.835842][ T472] RBP: 00007fb1537461d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.843911][ T472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.851880][ T472] R13: 00007fff6c68acbf R14: 00007fb153746300 R15: 0000000000022000 [ 42.861832][ T472] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.869058][ T472] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 42.894762][ C1] !!!!! css_killed_ref_fn css ffff88810cdd1c00 !!! [ 42.901425][ C1] !!!!! css_killed_ref_fn css ffff88810d2e2000 !!! [ 42.908142][ C1] !!!!! css_killed_ref_fn css ffff88810d2e0400 !!! [ 42.914904][ T24] !!!!! css_release css ffff88810cdd1c00 !!! [ 42.921060][ T24] !!!!! css_release css ffff88810d2e2000 !!! [ 42.927330][ T24] !!!!! css_release css ffff88810d2e0400 !!! [ 42.933414][ T470] FAULT_INJECTION: forcing a failure. [ 42.933414][ T470] name failslab, interval 1, probability 0, space 0, times 0 [ 42.946284][ T470] CPU: 1 PID: 470 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 42.956517][ T470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.966643][ T470] Call Trace: [ 42.969920][ T470] dump_stack+0x19c/0x1e2 [ 42.974845][ T470] should_fail+0x3f7/0x5b0 [ 42.979249][ T470] __should_failslab+0xd2/0x130 [ 42.984129][ T470] should_failslab+0x9/0x20 [ 42.988742][ T470] slab_pre_alloc_hook+0x25/0xe0 [ 42.993726][ T470] kmem_cache_alloc_trace+0x47/0x2b0 [ 42.999022][ T470] ? percpu_ref_init+0xd0/0x330 [ 43.004072][ T470] percpu_ref_init+0xd0/0x330 [ 43.009015][ T470] ? cgroup_setup_root+0x8a0/0x8a0 [ 43.014137][ T470] cgroup_apply_control_enable+0x3d2/0xf70 [ 43.020155][ T470] cgroup_apply_control+0x36/0x710 [ 43.025343][ T470] ? init_wait_entry+0xe0/0xe0 [ 43.030178][ T470] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.035447][ T470] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.041408][ T470] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.047370][ T470] cgroup_file_write+0x22f/0x4f0 [ 43.052286][ T470] kernfs_fop_write_iter+0x2cd/0x410 [ 43.057973][ T470] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.063077][ T470] vfs_write+0xb57/0xe50 [ 43.067489][ T470] ksys_write+0x157/0x260 [ 43.071810][ T470] __x64_sys_write+0x7b/0x90 [ 43.076389][ T470] do_syscall_64+0x34/0x70 [ 43.080864][ T470] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.086761][ T470] RIP: 0033:0x7fa4c97d60e9 [ 43.091165][ T470] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.110758][ T470] RSP: 002b:00007fa4c972b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.119704][ T470] RAX: ffffffffffffffda RBX: 00007fa4c98e9030 RCX: 00007fa4c97d60e9 [ 43.127771][ T470] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.135816][ T470] RBP: 00007fa4c972b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.145350][ T470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.153476][ T470] R13: 00007ffeafcd9bdf R14: 00007fa4c972b300 R15: 0000000000022000 [ 43.163691][ T470] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 43.194833][ C1] !!!!! css_killed_ref_fn css ffff88810cef7c00 !!! [ 43.201365][ C1] !!!!! css_killed_ref_fn css ffff88810cef6400 !!! [ 43.207907][ T24] !!!!! css_release css ffff88810cef7c00 !!! [ 43.213895][ T24] !!!!! css_release css ffff88810cef6400 !!! [ 43.220212][ T455] FAULT_INJECTION: forcing a failure. [ 43.220212][ T455] name failslab, interval 1, probability 0, space 0, times 0 [ 43.233285][ T455] CPU: 0 PID: 455 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 43.243508][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.253567][ T455] Call Trace: [ 43.256930][ T455] dump_stack+0x19c/0x1e2 [ 43.261236][ T455] should_fail+0x3f7/0x5b0 [ 43.265665][ T455] __should_failslab+0xd2/0x130 [ 43.270513][ T455] should_failslab+0x9/0x20 [ 43.274995][ T455] slab_pre_alloc_hook+0x25/0xe0 [ 43.279951][ T455] kmem_cache_alloc_trace+0x47/0x2b0 [ 43.285214][ T455] ? percpu_ref_init+0xd0/0x330 [ 43.290039][ T455] percpu_ref_init+0xd0/0x330 [ 43.294711][ T455] ? cgroup_setup_root+0x8a0/0x8a0 [ 43.299889][ T455] cgroup_apply_control_enable+0x3d2/0xf70 [ 43.305759][ T455] cgroup_apply_control+0x36/0x710 [ 43.310849][ T455] ? init_wait_entry+0xe0/0xe0 [ 43.315599][ T455] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.320875][ T455] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.326826][ T455] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.332956][ T455] cgroup_file_write+0x22f/0x4f0 [ 43.337878][ T455] kernfs_fop_write_iter+0x2cd/0x410 [ 43.343134][ T455] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.348225][ T455] vfs_write+0xb57/0xe50 [ 43.352449][ T455] ksys_write+0x157/0x260 [ 43.356762][ T455] __x64_sys_write+0x7b/0x90 [ 43.361472][ T455] do_syscall_64+0x34/0x70 [ 43.365887][ T455] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.371949][ T455] RIP: 0033:0x7fe7d4d900e9 [ 43.376343][ T455] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.395927][ T455] RSP: 002b:00007fe7d4d06168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.404313][ T455] RAX: ffffffffffffffda RBX: 00007fe7d4ea2f60 RCX: 00007fe7d4d900e9 [ 43.412268][ T455] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.420217][ T455] RBP: 00007fe7d4d061d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.428250][ T455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.436196][ T455] R13: 00007ffdeb661f7f R14: 00007fe7d4d06300 R15: 0000000000022000 [ 43.444852][ T455] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 43.484923][ C1] !!!!! css_killed_ref_fn css ffff88810d8b4000 !!! [ 43.491462][ C1] !!!!! css_killed_ref_fn css ffff88810d8b1800 !!! [ 43.498142][ T24] !!!!! css_release css ffff88810d8b4000 !!! [ 43.504231][ T24] !!!!! css_release css ffff88810d8b1800 !!! [ 43.510707][ T469] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 43.510952][ T477] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 43.518019][ T463] FAULT_INJECTION: forcing a failure. [ 43.518019][ T463] name failslab, interval 1, probability 0, space 0, times 0 [ 43.537552][ T463] CPU: 0 PID: 463 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 43.548025][ T463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.558153][ T463] Call Trace: [ 43.561442][ T463] dump_stack+0x19c/0x1e2 [ 43.565755][ T463] should_fail+0x3f7/0x5b0 [ 43.570164][ T463] __should_failslab+0xd2/0x130 [ 43.574990][ T463] should_failslab+0x9/0x20 [ 43.579485][ T463] slab_pre_alloc_hook+0x25/0xe0 [ 43.584411][ T463] ? __kernfs_new_node+0x4c/0x6d0 [ 43.589453][ T463] __kmalloc_track_caller+0x70/0x300 [ 43.594907][ T463] ? __kernfs_new_node+0x4c/0x6d0 [ 43.599916][ T463] kstrdup_const+0x55/0x90 [ 43.604315][ T463] __kernfs_new_node+0x4c/0x6d0 [ 43.609143][ T463] ? string+0x29f/0x2b0 [ 43.613290][ T463] ? vsnprintf+0x1a6c/0x1b30 [ 43.617877][ T463] kernfs_new_node+0x97/0x170 [ 43.622547][ T463] __kernfs_create_file+0x4a/0x270 [ 43.627639][ T463] cgroup_addrm_files+0x99e/0xeb0 [ 43.632649][ T463] ? delete_node+0x747/0x7a0 [ 43.637217][ T463] css_populate_dir+0x137/0x370 [ 43.642065][ T463] cgroup_apply_control_enable+0x5cd/0xf70 [ 43.647848][ T463] cgroup_apply_control+0x36/0x710 [ 43.652935][ T463] ? init_wait_entry+0xe0/0xe0 [ 43.657680][ T463] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.662940][ T463] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.668900][ T463] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.674864][ T463] cgroup_file_write+0x22f/0x4f0 [ 43.679954][ T463] kernfs_fop_write_iter+0x2cd/0x410 [ 43.685312][ T463] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.690416][ T463] vfs_write+0xb57/0xe50 [ 43.694640][ T463] ksys_write+0x157/0x260 [ 43.699214][ T463] __x64_sys_write+0x7b/0x90 [ 43.703788][ T463] do_syscall_64+0x34/0x70 [ 43.708201][ T463] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.714192][ T463] RIP: 0033:0x7faf072270e9 [ 43.718587][ T463] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.738265][ T463] RSP: 002b:00007faf0717c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.747005][ T463] RAX: ffffffffffffffda RBX: 00007faf0733a030 RCX: 00007faf072270e9 [ 43.755137][ T463] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.763173][ T463] RBP: 00007faf0717c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.771752][ T463] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 2022/06/01 20:31:17 executed programs: 19 [ 43.779735][ T463] R13: 00007fff3c997a2f R14: 00007faf0717c300 R15: 0000000000022000 [ 43.788322][ T463] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.796140][ T463] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 43.824800][ C0] !!!!! css_killed_ref_fn css ffff88810d987800 !!! [ 43.831345][ C0] !!!!! css_killed_ref_fn css ffff88810d986800 !!! [ 43.837962][ C0] !!!!! css_killed_ref_fn css ffff88810d987c00 !!! [ 43.844864][ T433] !!!!! css_release css ffff88810d987800 !!! [ 43.851126][ T433] !!!!! css_release css ffff88810d986800 !!! [ 43.857519][ T433] !!!!! css_release css ffff88810d987c00 !!! [ 43.863849][ T482] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 43.871140][ T471] FAULT_INJECTION: forcing a failure. [ 43.871140][ T471] name failslab, interval 1, probability 0, space 0, times 0 [ 43.884546][ T471] CPU: 0 PID: 471 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 43.894684][ T471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.904836][ T471] Call Trace: [ 43.908139][ T471] dump_stack+0x19c/0x1e2 [ 43.912464][ T471] should_fail+0x3f7/0x5b0 [ 43.916967][ T471] __should_failslab+0xd2/0x130 [ 43.921798][ T471] should_failslab+0x9/0x20 [ 43.926282][ T471] slab_pre_alloc_hook+0x25/0xe0 [ 43.931216][ T471] ? __kernfs_new_node+0x4c/0x6d0 [ 43.936222][ T471] __kmalloc_track_caller+0x70/0x300 [ 43.941674][ T471] ? __kernfs_new_node+0x4c/0x6d0 [ 43.946765][ T471] kstrdup_const+0x55/0x90 [ 43.951165][ T471] __kernfs_new_node+0x4c/0x6d0 [ 43.955992][ T471] ? string+0x29f/0x2b0 [ 43.960126][ T471] ? vsnprintf+0x1a6c/0x1b30 [ 43.964699][ T471] kernfs_new_node+0x97/0x170 [ 43.969972][ T471] __kernfs_create_file+0x4a/0x270 [ 43.975071][ T471] cgroup_addrm_files+0x99e/0xeb0 [ 43.980166][ T471] ? delete_node+0x747/0x7a0 [ 43.984916][ T471] css_populate_dir+0x137/0x370 [ 43.989763][ T471] cgroup_apply_control_enable+0x5cd/0xf70 [ 43.995545][ T471] cgroup_apply_control+0x36/0x710 [ 44.000726][ T471] ? init_wait_entry+0xe0/0xe0 [ 44.005589][ T471] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.011119][ T471] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.017166][ T471] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.023928][ T471] cgroup_file_write+0x22f/0x4f0 [ 44.029043][ T471] kernfs_fop_write_iter+0x2cd/0x410 [ 44.034551][ T471] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.039672][ T471] vfs_write+0xb57/0xe50 [ 44.044088][ T471] ksys_write+0x157/0x260 [ 44.048417][ T471] __x64_sys_write+0x7b/0x90 [ 44.052995][ T471] do_syscall_64+0x34/0x70 [ 44.057671][ T471] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.063811][ T471] RIP: 0033:0x7fd7872260e9 [ 44.068239][ T471] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.089489][ T471] RSP: 002b:00007fd78717b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.098062][ T471] RAX: ffffffffffffffda RBX: 00007fd787339030 RCX: 00007fd7872260e9 [ 44.106024][ T471] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.114516][ T471] RBP: 00007fd78717b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.122744][ T471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.130909][ T471] R13: 00007ffed2c430cf R14: 00007fd78717b300 R15: 0000000000022000 [ 44.140308][ T471] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.147948][ T471] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 44.194879][ C0] !!!!! css_killed_ref_fn css ffff88810d986000 !!! [ 44.201881][ C0] !!!!! css_killed_ref_fn css ffff88810d984800 !!! [ 44.208552][ C0] !!!!! css_killed_ref_fn css ffff88810d984000 !!! [ 44.215287][ T433] !!!!! css_release css ffff88810d986000 !!! [ 44.221371][ T433] !!!!! css_release css ffff88810d984800 !!! [ 44.227690][ T433] !!!!! css_release css ffff88810d984000 !!! [ 44.233952][ T486] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 44.234592][ T480] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 44.249655][ T484] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 44.249854][ T490] FAULT_INJECTION: forcing a failure. [ 44.249854][ T490] name failslab, interval 1, probability 0, space 0, times 0 [ 44.269759][ T490] CPU: 1 PID: 490 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 44.280066][ T490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.290106][ T490] Call Trace: [ 44.293498][ T490] dump_stack+0x19c/0x1e2 [ 44.297830][ T490] should_fail+0x3f7/0x5b0 [ 44.302231][ T490] __should_failslab+0xd2/0x130 [ 44.307063][ T490] should_failslab+0x9/0x20 [ 44.311547][ T490] slab_pre_alloc_hook+0x25/0xe0 [ 44.316469][ T490] ? __kernfs_new_node+0x4c/0x6d0 [ 44.321574][ T490] __kmalloc_track_caller+0x70/0x300 [ 44.326844][ T490] ? __kernfs_new_node+0x4c/0x6d0 [ 44.331935][ T490] kstrdup_const+0x55/0x90 [ 44.336356][ T490] __kernfs_new_node+0x4c/0x6d0 [ 44.341191][ T490] ? string+0x29f/0x2b0 [ 44.345378][ T490] ? vsnprintf+0x1a6c/0x1b30 [ 44.349947][ T490] kernfs_new_node+0x97/0x170 [ 44.354604][ T490] __kernfs_create_file+0x4a/0x270 [ 44.359783][ T490] cgroup_addrm_files+0x99e/0xeb0 [ 44.364787][ T490] ? delete_node+0x747/0x7a0 [ 44.369376][ T490] css_populate_dir+0x137/0x370 [ 44.374302][ T490] cgroup_apply_control_enable+0x5cd/0xf70 [ 44.380109][ T490] cgroup_apply_control+0x36/0x710 [ 44.385404][ T490] ? init_wait_entry+0xe0/0xe0 [ 44.390598][ T490] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.396003][ T490] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.401978][ T490] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.407942][ T490] cgroup_file_write+0x22f/0x4f0 [ 44.412952][ T490] kernfs_fop_write_iter+0x2cd/0x410 [ 44.418360][ T490] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.423552][ T490] vfs_write+0xb57/0xe50 [ 44.427775][ T490] ksys_write+0x157/0x260 [ 44.432085][ T490] __x64_sys_write+0x7b/0x90 [ 44.436766][ T490] do_syscall_64+0x34/0x70 [ 44.441163][ T490] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.447401][ T490] RIP: 0033:0x7faf072270e9 [ 44.451815][ T490] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.471601][ T490] RSP: 002b:00007faf0717c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.480092][ T490] RAX: ffffffffffffffda RBX: 00007faf0733a030 RCX: 00007faf072270e9 [ 44.488156][ T490] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.496119][ T490] RBP: 00007faf0717c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.504194][ T490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.512353][ T490] R13: 00007fff3c997a2f R14: 00007faf0717c300 R15: 0000000000022000 [ 44.520862][ T490] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.528118][ T490] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 44.554773][ C0] !!!!! css_killed_ref_fn css ffff88810d90d000 !!! [ 44.561331][ C0] !!!!! css_killed_ref_fn css ffff88810d90dc00 !!! [ 44.567905][ C0] !!!!! css_killed_ref_fn css ffff88810cf6a000 !!! [ 44.574461][ T433] !!!!! css_release css ffff88810d90d000 !!! [ 44.580549][ T433] !!!!! css_release css ffff88810d90dc00 !!! [ 44.586952][ T492] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 44.594319][ T495] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 44.594495][ T478] FAULT_INJECTION: forcing a failure. [ 44.594495][ T478] name failslab, interval 1, probability 0, space 0, times 0 [ 44.614299][ T478] CPU: 0 PID: 478 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 44.624648][ T478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.634691][ T478] Call Trace: [ 44.638085][ T478] dump_stack+0x19c/0x1e2 [ 44.642408][ T478] should_fail+0x3f7/0x5b0 [ 44.646904][ T478] __should_failslab+0xd2/0x130 [ 44.651735][ T478] should_failslab+0x9/0x20 [ 44.656218][ T478] slab_pre_alloc_hook+0x25/0xe0 [ 44.661256][ T478] ? __kernfs_new_node+0x4c/0x6d0 [ 44.666371][ T478] __kmalloc_track_caller+0x70/0x300 [ 44.671633][ T478] ? __kernfs_new_node+0x4c/0x6d0 [ 44.676638][ T478] kstrdup_const+0x55/0x90 [ 44.681067][ T478] __kernfs_new_node+0x4c/0x6d0 [ 44.685893][ T478] ? string+0x29f/0x2b0 [ 44.690075][ T478] ? vsnprintf+0x1a6c/0x1b30 [ 44.694649][ T478] kernfs_new_node+0x97/0x170 [ 44.699312][ T478] __kernfs_create_file+0x4a/0x270 [ 44.704451][ T478] cgroup_addrm_files+0x99e/0xeb0 [ 44.709470][ T478] ? delete_node+0x747/0x7a0 [ 44.714054][ T478] css_populate_dir+0x137/0x370 [ 44.718881][ T478] cgroup_apply_control_enable+0x5cd/0xf70 [ 44.724684][ T478] cgroup_apply_control+0x36/0x710 [ 44.729792][ T478] ? init_wait_entry+0xe0/0xe0 [ 44.734534][ T478] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.739821][ T478] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.745883][ T478] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.751856][ T478] cgroup_file_write+0x22f/0x4f0 [ 44.756790][ T478] kernfs_fop_write_iter+0x2cd/0x410 [ 44.762059][ T478] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.767152][ T478] vfs_write+0xb57/0xe50 [ 44.771371][ T478] ksys_write+0x157/0x260 [ 44.775685][ T478] __x64_sys_write+0x7b/0x90 [ 44.780267][ T478] do_syscall_64+0x34/0x70 [ 44.784674][ T478] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.790572][ T478] RIP: 0033:0x7fe7d4d900e9 [ 44.795114][ T478] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.816020][ T478] RSP: 002b:00007fe7d4ce5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.824417][ T478] RAX: ffffffffffffffda RBX: 00007fe7d4ea3030 RCX: 00007fe7d4d900e9 [ 44.832474][ T478] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.840650][ T478] RBP: 00007fe7d4ce51d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.848868][ T478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.857138][ T478] R13: 00007ffdeb661f7f R14: 00007fe7d4ce5300 R15: 0000000000022000 [ 44.865781][ T478] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.873129][ T478] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 44.882554][ T411] ------------[ cut here ]------------ [ 44.888148][ T411] WARNING: CPU: 1 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 44.897112][ T411] Modules linked in: [ 44.901189][ T411] CPU: 1 PID: 411 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 44.911995][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.922258][ T411] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 44.927942][ T411] Code: 48 c7 c2 40 d9 c4 85 e8 62 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 03 59 a7 ff e9 28 fd ff ff [ 44.948126][ T411] RSP: 0018:ffffc90000c97dd0 EFLAGS: 00010293 [ 44.954188][ T411] RAX: ffffffff81af1a3c RBX: ffff88810c3b66e0 RCX: ffff8881082a0000 [ 44.964788][ T411] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 44.972850][ T411] RBP: ffffc90000c97e40 R08: ffffffff81af1767 R09: fffff52000192fb2 [ 44.981450][ T411] R10: fffff52000192fb2 R11: 1ffff92000192fb1 R12: dffffc0000000000 [ 44.989727][ T411] R13: ffff88810c3b6600 R14: 00000000ffffffff R15: 0000000000000000 [ 44.997742][ T411] FS: 0000555555b10400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 45.006852][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.013615][ T411] CR2: 0000555555b19b38 CR3: 00000001162b9000 CR4: 00000000003506a0 [ 45.021646][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.029658][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.037645][ T411] Call Trace: [ 45.040925][ T411] path_umount+0x1ad/0xed0 [ 45.045349][ T411] __x64_sys_umount+0xe8/0x110 [ 45.050113][ T411] do_syscall_64+0x34/0x70 [ 45.054517][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.060431][ T411] RIP: 0033:0x7fe7d4d91557 [ 45.064855][ T411] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.084714][ T411] RSP: 002b:00007ffdeb6610d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 45.093131][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe7d4d91557 [ 45.101129][ T411] RDX: 00007ffdeb6611a9 RSI: 000000000000000a RDI: 00007ffdeb6611a0 [ 45.109124][ T411] RBP: 00007ffdeb6611a0 R08: 00000000ffffffff R09: 00007ffdeb660f70 [ 45.117128][ T411] R10: 0000555555b11ba3 R11: 0000000000000246 R12: 00007fe7d4de91f8 [ 45.125111][ T411] R13: 00007ffdeb662260 R14: 0000555555b11b00 R15: 00007ffdeb6622a0 [ 45.133071][ T411] ---[ end trace ce307978c4e22ee8 ]--- [ 45.138791][ T411] ------------[ cut here ]------------ [ 45.144485][ T411] WARNING: CPU: 1 PID: 411 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 45.144735][ C0] !!!!! css_killed_ref_fn css ffff88811ece3c00 !!! [ 45.153006][ T411] Modules linked in: [ 45.159513][ C0] !!!!! css_killed_ref_fn css ffff88811ece1000 !!! [ 45.159520][ C0] ------------[ cut here ]------------ [ 45.159532][ C0] percpu ref (css_release) <= 0 (0) after switching to atomic [ 45.159622][ C0] WARNING: CPU: 0 PID: 0 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 45.159625][ C0] Modules linked in: [ 45.159640][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 45.159645][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.159658][ C0] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 45.159668][ C0] Code: 00 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ff e8 33 6c 64 ff 49 8b 17 48 c7 c7 a0 d2 02 85 48 89 de 31 c0 e8 8f b6 01 ff <0f> 0b e9 2d fd ff ff e8 b3 d5 2c ff 0f 0b e9 87 fe ff ff 48 c7 c1 [ 45.159673][ C0] RSP: 0018:ffffc90000007d50 EFLAGS: 00010246 [ 45.159683][ C0] RAX: a1407067e80ca400 RBX: ffffffff81610230 RCX: ffffffff85a1b180 [ 45.159688][ C0] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 [ 45.159695][ C0] RBP: ffffc90000007d98 R08: ffffffff81514558 R09: fffff52000000f77 [ 45.159701][ C0] R10: fffff52000000f77 R11: 1ffff92000000f76 R12: ffff88810d57f9a0 [ 45.159707][ C0] R13: 0000000000000008 R14: 1ffff11021aaff30 R15: ffff88810d57f980 [ 45.159713][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 45.159718][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.159724][ C0] CR2: 00007faf0733a028 CR3: 000000011b955000 CR4: 00000000003506b0 [ 45.159733][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.159740][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.159743][ C0] Call Trace: [ 45.159747][ C0] [ 45.159757][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 45.159764][ C0] rcu_do_batch+0x4ad/0xb00 [ 45.159773][ C0] rcu_core+0x64a/0xdf0 [ 45.159786][ C0] rcu_core_si+0x9/0x10 [ 45.159797][ C0] __do_softirq+0x253/0x67b [ 45.159809][ C0] asm_call_irq_on_stack+0xf/0x20 [ 45.159813][ C0] [ 45.159821][ C0] do_softirq_own_stack+0x60/0x80 [ 45.159838][ C0] __irq_exit_rcu+0x152/0x1e0 [ 45.163704][ T411] [ 45.170284][ C0] irq_exit_rcu+0x9/0x10 [ 45.170301][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 45.175744][ T411] CPU: 1 PID: 411 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 45.183167][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 45.193807][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.193828][ T411] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 45.197705][ C0] RIP: 0010:acpi_idle_do_entry+0xbb/0x1f0 [ 45.208707][ T411] Code: b3 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e e6 b8 ff 48 8b 7d d0 e8 15 c9 04 00 e9 21 fd ff ff e8 1b e6 b8 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 e0 1f 86 80 e1 07 80 c1 03 38 c1 [ 45.218861][ C0] Code: 89 de 48 83 e6 08 31 ff e8 b2 e0 0a fd 48 83 e3 08 0f 85 ae 00 00 00 e9 0c 00 00 00 e8 7e db 0a fd 0f 00 2d 57 b8 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 [ 45.218879][ C0] RSP: 0018:ffffffff85a07ce8 EFLAGS: 00000246 [ 45.225829][ T411] RSP: 0018:ffffc90000c97e30 EFLAGS: 00010293 [ 45.245574][ C0] [ 45.245582][ C0] RAX: 1ffffffff0b43630 RBX: 0000000000000000 RCX: 0000000000000000 [ 45.245589][ C0] RDX: ffffffff85a1b180 RSI: 0000000000000000 RDI: 0000000000000000 [ 45.245596][ C0] RBP: ffffffff85a07d00 R08: ffffffff845e2f8e R09: fffffbfff0b43631 [ 45.245601][ C0] R10: fffffbfff0b43631 R11: 1ffffffff0b43630 R12: 0000000000000001 [ 45.245608][ C0] R13: ffff8881033dd004 R14: ffff888101ae3864 R15: dffffc0000000000 [ 45.245623][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 45.245632][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 45.245642][ C0] acpi_idle_enter+0x32d/0x4f0 [ 45.245650][ C0] ? rcu_dynticks_eqs_enter+0xa/0x40 [ 45.245660][ C0] cpuidle_enter_state+0x4c8/0x10d0 [ 45.245670][ C0] cpuidle_enter+0x5f/0xa0 [ 45.245682][ C0] do_idle+0x3a8/0x540 [ 45.245691][ C0] cpu_startup_entry+0x25/0x30 [ 45.245698][ C0] rest_init+0xe6/0xf0 [ 45.245706][ C0] ? time_init+0x38/0x38 [ 45.245715][ C0] arch_call_rest_init+0xe/0x10 [ 45.245724][ C0] start_kernel+0x461/0x4fc [ 45.245734][ C0] x86_64_start_reservations+0x2a/0x2c [ 45.245743][ C0] x86_64_start_kernel+0x7a/0x7d [ 45.245753][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 45.245761][ C0] ---[ end trace ce307978c4e22ee9 ]--- [ 45.245768][ C0] !!!!! css_killed_ref_fn css ffff88811ece1c00 !!! [ 45.246501][ T5] !!!!! css_release css ffff88811ece3c00 !!! [ 45.252082][ T411] [ 45.263076][ T5] !!!!! css_release css ffff88811ece1000 !!! [ 45.268241][ T411] RAX: ffffffff81b02505 RBX: ffffe8ffffd4bfe4 RCX: ffff8881082a0000 [ 45.277025][ T487] FAULT_INJECTION: forcing a failure. [ 45.277025][ T487] name failslab, interval 1, probability 0, space 0, times 0 [ 45.284251][ T411] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 45.284259][ T411] RBP: ffffc90000c97e80 R08: ffffffff81b021e3 R09: fffff52000192fcd [ 45.284267][ T411] R10: fffff52000192fcd R11: 1ffff92000192fcc R12: ffff88810c3b6648 [ 45.284273][ T411] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 45.284290][ T411] FS: 0000555555b10400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 45.292460][ T487] CPU: 0 PID: 487 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 45.301781][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.308032][ T487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.308037][ T487] Call Trace: [ 45.308051][ T487] dump_stack+0x19c/0x1e2 [ 45.308062][ T487] should_fail+0x3f7/0x5b0 [ 45.308071][ T487] __should_failslab+0xd2/0x130 [ 45.308086][ T487] should_failslab+0x9/0x20 [ 45.316254][ T411] CR2: 0000555555b19b38 CR3: 00000001162b9000 CR4: 00000000003506a0 [ 45.324434][ T487] slab_pre_alloc_hook+0x25/0xe0 [ 45.324445][ T487] kmem_cache_alloc_trace+0x47/0x2b0 [ 45.324454][ T487] ? percpu_ref_init+0xd0/0x330 [ 45.324469][ T487] percpu_ref_init+0xd0/0x330 [ 45.332597][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.335950][ T487] ? cgroup_setup_root+0x8a0/0x8a0 [ 45.335961][ T487] cgroup_apply_control_enable+0x3d2/0xf70 [ 45.335972][ T487] cgroup_apply_control+0x36/0x710 [ 45.335991][ T487] ? init_wait_entry+0xe0/0xe0 [ 45.338957][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.345058][ T487] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.345070][ T487] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.345081][ T487] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.345097][ T487] cgroup_file_write+0x22f/0x4f0 [ 45.349618][ T411] Call Trace: [ 45.353711][ T487] kernfs_fop_write_iter+0x2cd/0x410 [ 45.353722][ T487] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.353739][ T487] vfs_write+0xb57/0xe50 [ 45.358029][ T411] __cleanup_mnt+0x19/0x20 [ 45.362460][ T487] ksys_write+0x157/0x260 [ 45.362471][ T487] __x64_sys_write+0x7b/0x90 [ 45.362483][ T487] do_syscall_64+0x34/0x70 [ 45.362500][ T487] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.367653][ T411] task_work_run+0x147/0x1b0 [ 45.370630][ T487] RIP: 0033:0x7fa4c97d60e9 [ 45.370641][ T487] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.370647][ T487] RSP: 002b:00007fa4c972b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.375715][ T411] exit_to_user_mode_loop+0xc8/0xe0 [ 45.380480][ T487] RAX: ffffffffffffffda RBX: 00007fa4c98e9030 RCX: 00007fa4c97d60e9 [ 45.380487][ T487] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.380493][ T487] RBP: 00007fa4c972b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.380505][ T487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.382862][ T411] syscall_exit_to_user_mode+0x77/0xa0 [ 45.387018][ T487] R13: 00007ffeafcd9bdf R14: 00007fa4c972b300 R15: 0000000000022000 [ 45.388935][ T23] audit: type=1400 audit(1654115478.640:159): 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 [ 45.392803][ T411] do_syscall_64+0x40/0x70 [ 45.405050][ T23] audit: type=1400 audit(1654115478.640:160): 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 [ 45.410698][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.420711][ T23] audit: type=1400 audit(1654115478.640:161): 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 [ 45.425743][ T411] RIP: 0033:0x7fe7d4d91557 [ 45.431818][ T487] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 45.451128][ T411] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.060718][ T411] RSP: 002b:00007ffdeb6610d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 46.070342][ T411] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe7d4d91557 [ 46.071281][ C0] !!!!! css_killed_ref_fn css ffff88810e09ec00 !!! [ 46.078659][ T411] RDX: 00007ffdeb6611a9 RSI: 000000000000000a RDI: 00007ffdeb6611a0 [ 46.085027][ C0] !!!!! css_killed_ref_fn css ffff88810e09f800 !!! [ 46.085103][ T414] !!!!! css_release css ffff88810e09ec00 !!! [ 46.093171][ T411] RBP: 00007ffdeb6611a0 R08: 00000000ffffffff R09: 00007ffdeb660f70 [ 46.100349][ T414] !!!!! css_release css ffff88810e09f800 !!! [ 46.105923][ T411] R10: 0000555555b11ba3 R11: 0000000000000246 R12: 00007fe7d4de91f8 [ 46.113753][ T498] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 46.120267][ T411] R13: 00007ffdeb662260 R14: 0000555555b11b00 R15: 00007ffdeb6622a0 [ 46.128280][ T488] FAULT_INJECTION: forcing a failure. [ 46.128280][ T488] name failslab, interval 1, probability 0, space 0, times 0 [ 46.135384][ T411] ---[ end trace ce307978c4e22eea ]--- [ 46.144153][ T488] CPU: 0 PID: 488 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 46.173914][ T488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.183956][ T488] Call Trace: [ 46.187252][ T488] dump_stack+0x19c/0x1e2 [ 46.191561][ T488] should_fail+0x3f7/0x5b0 [ 46.195963][ T488] __should_failslab+0xd2/0x130 [ 46.200812][ T488] should_failslab+0x9/0x20 [ 46.205303][ T488] slab_pre_alloc_hook+0x25/0xe0 [ 46.210226][ T488] ? __kernfs_new_node+0x4c/0x6d0 [ 46.215670][ T488] __kmalloc_track_caller+0x70/0x300 [ 46.220932][ T488] ? __kernfs_new_node+0x4c/0x6d0 [ 46.225941][ T488] kstrdup_const+0x55/0x90 [ 46.230336][ T488] __kernfs_new_node+0x4c/0x6d0 [ 46.235167][ T488] ? string+0x29f/0x2b0 [ 46.239311][ T488] ? vsnprintf+0x1a6c/0x1b30 [ 46.243929][ T488] kernfs_new_node+0x97/0x170 [ 46.248582][ T488] __kernfs_create_file+0x4a/0x270 [ 46.253675][ T488] cgroup_addrm_files+0x99e/0xeb0 [ 46.258690][ T488] ? delete_node+0x747/0x7a0 [ 46.263293][ T488] ? __kthread_should_park+0xaa/0xe0 [ 46.268650][ T488] css_populate_dir+0x137/0x370 [ 46.273499][ T488] cgroup_apply_control_enable+0x5cd/0xf70 [ 46.279289][ T488] cgroup_apply_control+0x36/0x710 [ 46.284375][ T488] ? init_wait_entry+0xe0/0xe0 [ 46.289134][ T488] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.294403][ T488] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.300937][ T488] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.306905][ T488] cgroup_file_write+0x22f/0x4f0 [ 46.311820][ T488] kernfs_fop_write_iter+0x2cd/0x410 [ 46.317272][ T488] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.322362][ T488] vfs_write+0xb57/0xe50 [ 46.326593][ T488] ksys_write+0x157/0x260 [ 46.330905][ T488] __x64_sys_write+0x7b/0x90 [ 46.335567][ T488] do_syscall_64+0x34/0x70 [ 46.340163][ T488] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.346026][ T488] RIP: 0033:0x7fb1537f10e9 [ 46.350416][ T488] 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 [ 46.370189][ T488] RSP: 002b:00007fb153746168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.378584][ T488] RAX: ffffffffffffffda RBX: 00007fb153904030 RCX: 00007fb1537f10e9 [ 46.386552][ T488] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.394505][ T488] RBP: 00007fb1537461d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.402467][ T488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.410427][ T488] R13: 00007fff6c68acbf R14: 00007fb153746300 R15: 0000000000022000 [ 46.419037][ T488] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.426481][ T488] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 46.464741][ C0] !!!!! css_killed_ref_fn css ffff88810e1b3000 !!! [ 46.471574][ C0] !!!!! css_killed_ref_fn css ffff88810e1b0c00 !!! [ 46.478096][ C0] !!!!! css_killed_ref_fn css ffff88810e1b1400 !!! [ 46.484664][ T414] !!!!! css_release css ffff88810e1b3000 !!! [ 46.490666][ T414] !!!!! css_release css ffff88810e1b0c00 !!! [ 46.497467][ T493] FAULT_INJECTION: forcing a failure. [ 46.497467][ T493] name failslab, interval 1, probability 0, space 0, times 0 [ 46.510687][ T493] CPU: 1 PID: 493 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 46.522444][ T493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.532572][ T493] Call Trace: [ 46.536203][ T493] dump_stack+0x19c/0x1e2 [ 46.540508][ T493] should_fail+0x3f7/0x5b0 [ 46.544909][ T493] __should_failslab+0xd2/0x130 [ 46.549770][ T493] should_failslab+0x9/0x20 [ 46.554270][ T493] slab_pre_alloc_hook+0x25/0xe0 [ 46.559197][ T493] ? __kernfs_new_node+0x4c/0x6d0 [ 46.564210][ T493] __kmalloc_track_caller+0x70/0x300 [ 46.569490][ T493] ? __kernfs_new_node+0x4c/0x6d0 [ 46.574502][ T493] kstrdup_const+0x55/0x90 [ 46.578992][ T493] __kernfs_new_node+0x4c/0x6d0 [ 46.583817][ T493] ? string+0x29f/0x2b0 [ 46.587946][ T493] ? vsnprintf+0x1a6c/0x1b30 [ 46.592510][ T493] kernfs_new_node+0x97/0x170 [ 46.597176][ T493] __kernfs_create_file+0x4a/0x270 [ 46.602262][ T493] cgroup_addrm_files+0x99e/0xeb0 [ 46.607270][ T493] ? delete_node+0x747/0x7a0 [ 46.611839][ T493] css_populate_dir+0x137/0x370 [ 46.616668][ T493] cgroup_apply_control_enable+0x5cd/0xf70 [ 46.622458][ T493] cgroup_apply_control+0x36/0x710 [ 46.627548][ T493] ? init_wait_entry+0xe0/0xe0 [ 46.632344][ T493] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.637661][ T493] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.643633][ T493] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.649588][ T493] cgroup_file_write+0x22f/0x4f0 [ 46.654589][ T493] kernfs_fop_write_iter+0x2cd/0x410 [ 46.659859][ T493] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.664957][ T493] vfs_write+0xb57/0xe50 [ 46.669187][ T493] ksys_write+0x157/0x260 [ 46.673490][ T493] __x64_sys_write+0x7b/0x90 [ 46.678239][ T493] do_syscall_64+0x34/0x70 [ 46.682631][ T493] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.688505][ T493] RIP: 0033:0x7fd7872260e9 [ 46.692898][ T493] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.712479][ T493] RSP: 002b:00007fd78717b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.720874][ T493] RAX: ffffffffffffffda RBX: 00007fd787339030 RCX: 00007fd7872260e9 [ 46.728840][ T493] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.736790][ T493] RBP: 00007fd78717b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.744824][ T493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.752871][ T493] R13: 00007ffed2c430cf R14: 00007fd78717b300 R15: 0000000000022000 [ 46.761261][ T493] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.768790][ T493] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 46.794769][ C0] !!!!! css_killed_ref_fn css ffff88810e16e400 !!! [ 46.801310][ C0] !!!!! css_killed_ref_fn css ffff88810e16d800 !!! [ 46.807901][ C0] !!!!! css_killed_ref_fn css ffff88810e16ec00 !!! [ 46.814450][ T414] !!!!! css_release css ffff88810e16e400 !!! [ 46.820479][ T414] !!!!! css_release css ffff88810e16d800 !!! [ 46.826615][ T414] !!!!! css_release css ffff88810e16ec00 !!! [ 46.832614][ T504] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 46.833562][ T496] FAULT_INJECTION: forcing a failure. [ 46.833562][ T496] name failslab, interval 1, probability 0, space 0, times 0 [ 46.852600][ T496] CPU: 1 PID: 496 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 46.864221][ T496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.874270][ T496] Call Trace: [ 46.877549][ T496] dump_stack+0x19c/0x1e2 [ 46.881880][ T496] should_fail+0x3f7/0x5b0 [ 46.886318][ T496] __should_failslab+0xd2/0x130 [ 46.891245][ T496] should_failslab+0x9/0x20 [ 46.895742][ T496] slab_pre_alloc_hook+0x25/0xe0 [ 46.900665][ T496] ? __kernfs_new_node+0x4c/0x6d0 [ 46.905842][ T496] __kmalloc_track_caller+0x70/0x300 [ 46.911108][ T496] ? __kernfs_new_node+0x4c/0x6d0 [ 46.916226][ T496] kstrdup_const+0x55/0x90 [ 46.920705][ T496] __kernfs_new_node+0x4c/0x6d0 [ 46.925544][ T496] ? string+0x29f/0x2b0 [ 46.929687][ T496] ? vsnprintf+0x1a6c/0x1b30 [ 46.934252][ T496] kernfs_new_node+0x97/0x170 [ 46.938905][ T496] __kernfs_create_file+0x4a/0x270 [ 46.944078][ T496] cgroup_addrm_files+0x99e/0xeb0 [ 46.949187][ T496] ? delete_node+0x747/0x7a0 [ 46.953756][ T496] css_populate_dir+0x137/0x370 [ 46.958586][ T496] cgroup_apply_control_enable+0x5cd/0xf70 [ 46.964368][ T496] cgroup_apply_control+0x36/0x710 [ 46.969462][ T496] ? init_wait_entry+0xe0/0xe0 [ 46.974202][ T496] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.979463][ T496] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.985427][ T496] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.991415][ T496] cgroup_file_write+0x22f/0x4f0 [ 46.996333][ T496] kernfs_fop_write_iter+0x2cd/0x410 [ 47.001598][ T496] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.006699][ T496] vfs_write+0xb57/0xe50 [ 47.010919][ T496] ksys_write+0x157/0x260 [ 47.015224][ T496] __x64_sys_write+0x7b/0x90 [ 47.019913][ T496] do_syscall_64+0x34/0x70 [ 47.024358][ T496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.030346][ T496] RIP: 0033:0x7faf072270e9 [ 47.034747][ T496] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.054349][ T496] RSP: 002b:00007faf0717c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.063005][ T496] RAX: ffffffffffffffda RBX: 00007faf0733a030 RCX: 00007faf072270e9 [ 47.071322][ T496] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.079604][ T496] RBP: 00007faf0717c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.087602][ T496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.095563][ T496] R13: 00007fff3c997a2f R14: 00007faf0717c300 R15: 0000000000022000 [ 47.103918][ T496] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.111310][ T496] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 47.154835][ C1] !!!!! css_killed_ref_fn css ffff88810cf6b800 !!! [ 47.161485][ C1] !!!!! css_killed_ref_fn css ffff88810cf6ac00 !!! [ 47.168175][ C1] !!!!! css_killed_ref_fn css ffff88810cf69800 !!! [ 47.175187][ T19] !!!!! css_release css ffff88810cf6b800 !!! [ 47.181384][ T19] !!!!! css_release css ffff88810cf6ac00 !!! [ 47.187686][ T19] !!!!! css_release css ffff88810cf69800 !!! [ 47.193826][ T506] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 47.193990][ T489] FAULT_INJECTION: forcing a failure. [ 47.193990][ T489] name failslab, interval 1, probability 0, space 0, times 0 [ 47.213766][ T489] CPU: 1 PID: 489 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 47.225570][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.235699][ T489] Call Trace: [ 47.239032][ T489] dump_stack+0x19c/0x1e2 [ 47.243356][ T489] should_fail+0x3f7/0x5b0 [ 47.247788][ T489] __should_failslab+0xd2/0x130 [ 47.252645][ T489] should_failslab+0x9/0x20 [ 47.257150][ T489] slab_pre_alloc_hook+0x25/0xe0 [ 47.262255][ T489] kmem_cache_alloc_trace+0x47/0x2b0 [ 47.267550][ T489] ? pids_css_alloc+0x4e/0x120 [ 47.272367][ T489] pids_css_alloc+0x4e/0x120 [ 47.277258][ T489] cgroup_apply_control_enable+0x381/0xf70 [ 47.283165][ T489] cgroup_apply_control+0x36/0x710 [ 47.288445][ T489] ? init_wait_entry+0xe0/0xe0 [ 47.293197][ T489] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.298745][ T489] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.304816][ T489] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.311132][ T489] cgroup_file_write+0x22f/0x4f0 [ 47.316264][ T489] kernfs_fop_write_iter+0x2cd/0x410 [ 47.321625][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.326832][ T489] vfs_write+0xb57/0xe50 [ 47.331079][ T489] ksys_write+0x157/0x260 [ 47.335411][ T489] __x64_sys_write+0x7b/0x90 [ 47.340335][ T489] do_syscall_64+0x34/0x70 [ 47.344771][ T489] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.350654][ T489] RIP: 0033:0x7fb2ff66d0e9 [ 47.355061][ T489] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.374752][ T489] RSP: 002b:00007fb2ff5c2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.383178][ T489] RAX: ffffffffffffffda RBX: 00007fb2ff780030 RCX: 00007fb2ff66d0e9 [ 47.391379][ T489] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.399348][ T489] RBP: 00007fb2ff5c21d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.407305][ T489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.415261][ T489] R13: 00007ffcb82b8a6f R14: 00007fb2ff5c2300 R15: 0000000000022000 [ 47.423442][ T489] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 47.436750][ C1] !!!!! css_killed_ref_fn css ffff88810db27400 !!! [ 47.443931][ C1] !!!!! css_killed_ref_fn css ffff88810db25400 !!! [ 47.451033][ T19] !!!!! css_release css ffff88810db27400 !!! [ 47.457234][ T19] !!!!! css_release css ffff88810db25400 !!! [ 47.463524][ T516] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 47.463847][ T508] FAULT_INJECTION: forcing a failure. [ 47.463847][ T508] name failslab, interval 1, probability 0, space 0, times 0 [ 47.483922][ T508] CPU: 1 PID: 508 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 47.496242][ T508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.506332][ T508] Call Trace: [ 47.509780][ T508] dump_stack+0x19c/0x1e2 [ 47.514278][ T508] should_fail+0x3f7/0x5b0 [ 47.518689][ T508] __should_failslab+0xd2/0x130 [ 47.523700][ T508] should_failslab+0x9/0x20 [ 47.528428][ T508] slab_pre_alloc_hook+0x25/0xe0 [ 47.534588][ T508] ? __kernfs_new_node+0x4c/0x6d0 [ 47.539626][ T508] __kmalloc_track_caller+0x70/0x300 [ 47.545193][ T508] ? __kernfs_new_node+0x4c/0x6d0 [ 47.550201][ T508] kstrdup_const+0x55/0x90 [ 47.554610][ T508] __kernfs_new_node+0x4c/0x6d0 [ 47.559616][ T508] ? string+0x29f/0x2b0 [ 47.563773][ T508] ? vsnprintf+0x1a6c/0x1b30 [ 47.568515][ T508] kernfs_new_node+0x97/0x170 [ 47.573284][ T508] __kernfs_create_file+0x4a/0x270 [ 47.578383][ T508] cgroup_addrm_files+0x99e/0xeb0 [ 47.583385][ T508] ? delete_node+0x747/0x7a0 [ 47.588429][ T508] css_populate_dir+0x137/0x370 [ 47.593267][ T508] cgroup_apply_control_enable+0x5cd/0xf70 [ 47.599073][ T508] cgroup_apply_control+0x36/0x710 [ 47.604181][ T508] ? init_wait_entry+0xe0/0xe0 [ 47.608931][ T508] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.614295][ T508] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.620287][ T508] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.626524][ T508] cgroup_file_write+0x22f/0x4f0 [ 47.631561][ T508] kernfs_fop_write_iter+0x2cd/0x410 [ 47.636943][ T508] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.642221][ T508] vfs_write+0xb57/0xe50 [ 47.646738][ T508] ksys_write+0x157/0x260 [ 47.651230][ T508] __x64_sys_write+0x7b/0x90 [ 47.655817][ T508] do_syscall_64+0x34/0x70 [ 47.660322][ T508] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.666475][ T508] RIP: 0033:0x7fe7d4d900e9 [ 47.671052][ T508] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.690931][ T508] RSP: 002b:00007fe7d4ce5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.699336][ T508] RAX: ffffffffffffffda RBX: 00007fe7d4ea3030 RCX: 00007fe7d4d900e9 [ 47.707322][ T508] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.715417][ T508] RBP: 00007fe7d4ce51d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.723746][ T508] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.731721][ T508] R13: 00007ffdeb661f7f R14: 00007fe7d4ce5300 R15: 0000000000022000 [ 47.739909][ T508] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.747425][ T508] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 47.765055][ C1] !!!!! css_killed_ref_fn css ffff88810d01c400 !!! [ 47.771568][ C1] !!!!! css_killed_ref_fn css ffff88810d01f400 !!! [ 47.778096][ C1] !!!!! css_killed_ref_fn css ffff88810e78ac00 !!! [ 47.784694][ T19] !!!!! css_release css ffff88810d01c400 !!! [ 47.790702][ T19] !!!!! css_release css ffff88810d01f400 !!! [ 47.797432][ T19] !!!!! css_release css ffff88810e78ac00 !!! [ 47.803906][ T499] FAULT_INJECTION: forcing a failure. [ 47.803906][ T499] name failslab, interval 1, probability 0, space 0, times 0 [ 47.816605][ T499] CPU: 1 PID: 499 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 47.828131][ T499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.838801][ T499] Call Trace: [ 47.842149][ T499] dump_stack+0x19c/0x1e2 [ 47.846732][ T499] should_fail+0x3f7/0x5b0 [ 47.851141][ T499] __should_failslab+0xd2/0x130 [ 47.856143][ T499] should_failslab+0x9/0x20 [ 47.860744][ T499] slab_pre_alloc_hook+0x25/0xe0 [ 47.865671][ T499] ? __kernfs_new_node+0x4c/0x6d0 [ 47.870676][ T499] __kmalloc_track_caller+0x70/0x300 [ 47.875957][ T499] ? __kernfs_new_node+0x4c/0x6d0 [ 47.881057][ T499] kstrdup_const+0x55/0x90 [ 47.885474][ T499] __kernfs_new_node+0x4c/0x6d0 [ 47.890320][ T499] ? string+0x29f/0x2b0 [ 47.894477][ T499] ? vsnprintf+0x1a6c/0x1b30 [ 47.899045][ T499] kernfs_new_node+0x97/0x170 [ 47.903788][ T499] __kernfs_create_file+0x4a/0x270 [ 47.909058][ T499] cgroup_addrm_files+0x99e/0xeb0 [ 47.914082][ T499] ? delete_node+0x747/0x7a0 [ 47.918737][ T499] css_populate_dir+0x137/0x370 [ 47.923584][ T499] cgroup_apply_control_enable+0x5cd/0xf70 [ 47.929383][ T499] cgroup_apply_control+0x36/0x710 [ 47.934486][ T499] ? init_wait_entry+0xe0/0xe0 [ 47.939404][ T499] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.944669][ T499] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.950743][ T499] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.956818][ T499] cgroup_file_write+0x22f/0x4f0 [ 47.961757][ T499] kernfs_fop_write_iter+0x2cd/0x410 [ 47.967385][ T499] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.972474][ T499] vfs_write+0xb57/0xe50 [ 47.976696][ T499] ksys_write+0x157/0x260 [ 47.981014][ T499] __x64_sys_write+0x7b/0x90 [ 47.985591][ T499] do_syscall_64+0x34/0x70 [ 47.989996][ T499] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.996055][ T499] RIP: 0033:0x7fa4c97d60e9 [ 48.000621][ T499] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.020307][ T499] RSP: 002b:00007fa4c972b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.028702][ T499] RAX: ffffffffffffffda RBX: 00007fa4c98e9030 RCX: 00007fa4c97d60e9 [ 48.036659][ T499] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.044638][ T499] RBP: 00007fa4c972b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.053213][ T499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.061166][ T499] R13: 00007ffeafcd9bdf R14: 00007fa4c972b300 R15: 0000000000022000 [ 48.069608][ T499] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.076854][ T499] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 48.085626][ T406] ------------[ cut here ]------------ [ 48.091099][ T406] WARNING: CPU: 1 PID: 406 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 48.100023][ T406] Modules linked in: [ 48.103902][ T406] CPU: 1 PID: 406 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 48.115492][ T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.125575][ T406] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 48.131181][ T406] Code: 48 c7 c2 40 d9 c4 85 e8 62 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 03 59 a7 ff e9 28 fd ff ff [ 48.150894][ T406] RSP: 0018:ffffc90000b37d58 EFLAGS: 00010293 [ 48.156974][ T406] RAX: ffffffff81af1a3c RBX: ffff88810cc1d2e0 RCX: ffff8881082a0f40 [ 48.164943][ T406] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 48.172904][ T406] RBP: ffffc90000b37dc8 R08: ffffffff81af1767 R09: fffff52000166fa3 [ 48.180893][ T406] R10: fffff52000166fa3 R11: 1ffff92000166fa2 R12: dffffc0000000000 [ 48.188869][ T406] R13: ffff88810cc1d200 R14: 00000000fffffffe R15: 0000000000000000 [ 48.197049][ T406] FS: 00005555572b4400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 48.205981][ T406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.212547][ T406] CR2: 00005555572bdb38 CR3: 0000000117158000 CR4: 00000000003506a0 [ 48.220535][ T406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.228518][ T406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.236499][ T406] Call Trace: [ 48.239831][ T406] ? init_wait_entry+0xe0/0xe0 [ 48.244682][ T406] ? up_write+0x68/0x140 [ 48.249038][ T406] namespace_unlock+0x377/0x420 [ 48.253881][ T406] path_umount+0xe23/0xed0 [ 48.259258][ T406] __x64_sys_umount+0xe8/0x110 [ 48.264021][ T406] do_syscall_64+0x34/0x70 [ 48.268463][ T406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.274409][ T406] RIP: 0033:0x7fa4c97d7557 [ 48.278841][ T406] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.298460][ T406] RSP: 002b:00007ffeafcd8d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 48.306884][ T406] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4c97d7557 [ 48.314869][ T406] RDX: 00007ffeafcd8e09 RSI: 000000000000000a RDI: 00007ffeafcd8e00 [ 48.322821][ T406] RBP: 00007ffeafcd8e00 R08: 00000000ffffffff R09: 00007ffeafcd8bd0 [ 48.330803][ T406] R10: 00005555572b5ba3 R11: 0000000000000246 R12: 00007fa4c982f1f8 [ 48.338779][ T406] R13: 00007ffeafcd9ec0 R14: 00005555572b5b00 R15: 00007ffeafcd9f00 [ 48.347973][ T406] ---[ end trace ce307978c4e22eeb ]--- [ 48.353679][ T406] ------------[ cut here ]------------ [ 48.359175][ T406] WARNING: CPU: 1 PID: 406 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 48.364738][ C0] !!!!! css_killed_ref_fn css ffff88810e7c6000 !!! [ 48.368127][ T406] Modules linked in: [ 48.374618][ C0] !!!!! css_killed_ref_fn css ffff88810e7c4800 !!! [ 48.378501][ T406] CPU: 1 PID: 406 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 48.384975][ C0] !!!!! css_killed_ref_fn css ffff88810e7c4000 !!! [ 48.385126][ T433] !!!!! css_release css ffff88810e7c6000 !!! [ 48.396502][ T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.396519][ T406] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 48.396534][ T406] Code: 48 c7 c2 40 d9 c4 85 e8 62 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 03 59 a7 ff e9 28 fd ff ff [ 48.403536][ T433] !!!!! css_release css ffff88810e7c4800 !!! [ 48.409004][ T406] RSP: 0018:ffffc90000b37dd0 EFLAGS: 00010293 [ 48.409017][ T406] RAX: ffffffff81af1a3c RBX: ffff88810cc1d2e0 RCX: ffff8881082a0f40 [ 48.409024][ T406] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 48.409030][ T406] RBP: ffffc90000b37e40 R08: ffffffff81af1767 R09: fffff52000166fb2 [ 48.409036][ T406] R10: fffff52000166fb2 R11: 1ffff92000166fb1 R12: dffffc0000000000 [ 48.409052][ T406] R13: ffff88810cc1d200 R14: 00000000fffffffd R15: 0000000000000000 [ 48.419815][ T433] !!!!! css_release css ffff88810e7c4000 !!! [ 48.424834][ T406] FS: 00005555572b4400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 48.424841][ T406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.424874][ T406] CR2: 00005555572bdb38 CR3: 0000000117158000 CR4: 00000000003506a0 [ 48.445099][ T516] FAULT_INJECTION: forcing a failure. [ 48.445099][ T516] name failslab, interval 1, probability 0, space 0, times 0 [ 48.450674][ T406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.456980][ T516] CPU: 0 PID: 516 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 48.464762][ T406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.472787][ T516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.480756][ T406] Call Trace: [ 48.488678][ T516] Call Trace: [ 48.488692][ T516] dump_stack+0x19c/0x1e2 [ 48.488709][ T516] should_fail+0x3f7/0x5b0 [ 48.496667][ T406] path_umount+0x1ad/0xed0 [ 48.502703][ T516] __should_failslab+0xd2/0x130 [ 48.511613][ T406] __x64_sys_umount+0xe8/0x110 [ 48.518152][ T516] should_failslab+0x9/0x20 [ 48.518161][ T516] slab_pre_alloc_hook+0x25/0xe0 [ 48.518181][ T516] kmem_cache_alloc_trace+0x47/0x2b0 [ 48.526509][ T406] do_syscall_64+0x34/0x70 [ 48.539056][ T516] ? percpu_ref_init+0xd0/0x330 [ 48.539073][ T516] percpu_ref_init+0xd0/0x330 [ 48.547216][ T406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.558704][ T516] ? cgroup_setup_root+0x8a0/0x8a0 [ 48.558721][ T516] cgroup_apply_control_enable+0x3d2/0xf70 [ 48.566678][ T406] RIP: 0033:0x7fa4c97d7557 [ 48.576719][ T516] cgroup_apply_control+0x36/0x710 [ 48.576735][ T516] ? init_wait_entry+0xe0/0xe0 [ 48.580089][ T406] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.583355][ T516] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.587684][ T406] RSP: 002b:00007ffeafcd8d38 EFLAGS: 00000246 [ 48.592252][ T516] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.596638][ T406] ORIG_RAX: 00000000000000a6 [ 48.601455][ T516] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.606198][ T406] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4c97d7557 [ 48.610670][ T516] cgroup_file_write+0x22f/0x4f0 [ 48.615573][ T406] RDX: 00007ffeafcd8e09 RSI: 000000000000000a RDI: 00007ffeafcd8e00 [ 48.620927][ T516] kernfs_fop_write_iter+0x2cd/0x410 [ 48.625334][ T406] RBP: 00007ffeafcd8e00 R08: 00000000ffffffff R09: 00007ffeafcd8bd0 [ 48.630149][ T516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.634804][ T406] R10: 00005555572b5ba3 R11: 0000000000000246 R12: 00007fa4c982f1f8 [ 48.640665][ T516] vfs_write+0xb57/0xe50 [ 48.645754][ T406] R13: 00007ffeafcd9ec0 R14: 00005555572b5b00 R15: 00007ffeafcd9f00 [ 48.651531][ T516] ksys_write+0x157/0x260 [ 48.655926][ T406] ---[ end trace ce307978c4e22eec ]--- [ 48.661189][ T516] __x64_sys_write+0x7b/0x90 [ 48.790756][ T516] do_syscall_64+0x34/0x70 [ 48.795155][ T516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.801198][ T516] RIP: 0033:0x7fb2ff66d0e9 [ 48.805638][ T516] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.825508][ T516] RSP: 002b:00007fb2ff5e3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.834014][ T516] RAX: ffffffffffffffda RBX: 00007fb2ff77ff60 RCX: 00007fb2ff66d0e9 [ 48.841990][ T516] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.849941][ T516] RBP: 00007fb2ff5e31d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.858062][ T516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 2022/06/01 20:31:22 executed programs: 31 [ 48.866129][ T516] R13: 00007ffcb82b8a6f R14: 00007fb2ff5e3300 R15: 0000000000022000 [ 48.874487][ T516] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 48.904758][ C0] !!!!! css_killed_ref_fn css ffff88810e7d0800 !!! [ 48.911316][ C0] !!!!! css_killed_ref_fn css ffff88810e7d0000 !!! [ 48.918328][ T433] !!!!! css_release css ffff88810e7d0800 !!! [ 48.925013][ T433] !!!!! css_release css ffff88810e7d0000 !!! [ 48.931024][ T526] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 48.934899][ T524] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 48.938375][ T513] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 48.945801][ T527] FAULT_INJECTION: forcing a failure. [ 48.945801][ T527] name failslab, interval 1, probability 0, space 0, times 0 [ 48.964999][ T527] CPU: 0 PID: 527 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 48.976516][ T527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.986549][ T527] Call Trace: [ 48.989823][ T527] dump_stack+0x19c/0x1e2 [ 48.994131][ T527] should_fail+0x3f7/0x5b0 [ 48.998526][ T527] __should_failslab+0xd2/0x130 [ 49.003362][ T527] should_failslab+0x9/0x20 [ 49.007872][ T527] slab_pre_alloc_hook+0x25/0xe0 [ 49.012828][ T527] ? __kernfs_new_node+0x4c/0x6d0 [ 49.017956][ T527] __kmalloc_track_caller+0x70/0x300 [ 49.023234][ T527] ? __kernfs_new_node+0x4c/0x6d0 [ 49.028329][ T527] kstrdup_const+0x55/0x90 [ 49.032988][ T527] __kernfs_new_node+0x4c/0x6d0 [ 49.037955][ T527] ? string+0x29f/0x2b0 [ 49.042289][ T527] ? vsnprintf+0x1a6c/0x1b30 [ 49.047243][ T527] kernfs_new_node+0x97/0x170 [ 49.051925][ T527] __kernfs_create_file+0x4a/0x270 [ 49.057054][ T527] cgroup_addrm_files+0x99e/0xeb0 [ 49.062760][ T527] ? delete_node+0x747/0x7a0 [ 49.067349][ T527] css_populate_dir+0x137/0x370 [ 49.072618][ T527] cgroup_apply_control_enable+0x5cd/0xf70 [ 49.078432][ T527] cgroup_apply_control+0x36/0x710 [ 49.083553][ T527] ? init_wait_entry+0xe0/0xe0 [ 49.088406][ T527] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.093774][ T527] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.099746][ T527] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.106022][ T527] cgroup_file_write+0x22f/0x4f0 [ 49.111042][ T527] kernfs_fop_write_iter+0x2cd/0x410 [ 49.116584][ T527] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.121693][ T527] vfs_write+0xb57/0xe50 [ 49.126028][ T527] ksys_write+0x157/0x260 [ 49.130339][ T527] __x64_sys_write+0x7b/0x90 [ 49.135036][ T527] do_syscall_64+0x34/0x70 [ 49.139537][ T527] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.145492][ T527] RIP: 0033:0x7fa4c97d60e9 [ 49.150066][ T527] 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 [ 49.170101][ T527] RSP: 002b:00007fa4c972b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.178506][ T527] RAX: ffffffffffffffda RBX: 00007fa4c98e9030 RCX: 00007fa4c97d60e9 [ 49.186457][ T527] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.194412][ T527] RBP: 00007fa4c972b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.202451][ T527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.210764][ T527] R13: 00007ffeafcd9bdf R14: 00007fa4c972b300 R15: 0000000000022000 [ 49.219180][ T527] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.226548][ T527] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 49.264774][ C1] !!!!! css_killed_ref_fn css ffff88810eee2000 !!! [ 49.271606][ C1] !!!!! css_killed_ref_fn css ffff88810eee3400 !!! [ 49.278242][ C1] !!!!! css_killed_ref_fn css ffff88810eee0400 !!! [ 49.285034][ T19] !!!!! css_release css ffff88810eee2000 !!! [ 49.291446][ T19] !!!!! css_release css ffff88810eee3400 !!! [ 49.297804][ T19] !!!!! css_release css ffff88810eee0400 !!! [ 49.304344][ T514] FAULT_INJECTION: forcing a failure. [ 49.304344][ T514] name failslab, interval 1, probability 0, space 0, times 0 [ 49.317431][ T514] CPU: 1 PID: 514 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 49.329280][ T514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.339768][ T514] Call Trace: [ 49.343222][ T514] dump_stack+0x19c/0x1e2 [ 49.347543][ T514] should_fail+0x3f7/0x5b0 [ 49.352286][ T514] __should_failslab+0xd2/0x130 [ 49.357233][ T514] should_failslab+0x9/0x20 [ 49.361723][ T514] slab_pre_alloc_hook+0x25/0xe0 [ 49.366752][ T514] ? __kernfs_new_node+0x4c/0x6d0 [ 49.371830][ T514] __kmalloc_track_caller+0x70/0x300 [ 49.377109][ T514] ? __kernfs_new_node+0x4c/0x6d0 [ 49.382127][ T514] kstrdup_const+0x55/0x90 [ 49.386545][ T514] __kernfs_new_node+0x4c/0x6d0 [ 49.391377][ T514] ? string+0x29f/0x2b0 [ 49.395520][ T514] ? vsnprintf+0x1a6c/0x1b30 [ 49.400124][ T514] kernfs_new_node+0x97/0x170 [ 49.404999][ T514] __kernfs_create_file+0x4a/0x270 [ 49.410099][ T514] cgroup_addrm_files+0x99e/0xeb0 [ 49.415201][ T514] ? delete_node+0x747/0x7a0 [ 49.419780][ T514] ? __kthread_should_park+0xaa/0xe0 [ 49.425055][ T514] css_populate_dir+0x137/0x370 [ 49.430234][ T514] cgroup_apply_control_enable+0x5cd/0xf70 [ 49.436017][ T514] cgroup_apply_control+0x36/0x710 [ 49.441284][ T514] ? init_wait_entry+0xe0/0xe0 [ 49.446094][ T514] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.451575][ T514] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.457551][ T514] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.463651][ T514] cgroup_file_write+0x22f/0x4f0 [ 49.468574][ T514] kernfs_fop_write_iter+0x2cd/0x410 [ 49.473850][ T514] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.479067][ T514] vfs_write+0xb57/0xe50 [ 49.483327][ T514] ksys_write+0x157/0x260 [ 49.487748][ T514] __x64_sys_write+0x7b/0x90 [ 49.492413][ T514] do_syscall_64+0x34/0x70 [ 49.496948][ T514] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.502960][ T514] RIP: 0033:0x7faf072270e9 [ 49.507359][ T514] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.526971][ T514] RSP: 002b:00007faf0717c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.535558][ T514] RAX: ffffffffffffffda RBX: 00007faf0733a030 RCX: 00007faf072270e9 [ 49.543524][ T514] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.551501][ T514] RBP: 00007faf0717c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.559458][ T514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.567599][ T514] R13: 00007fff3c997a2f R14: 00007faf0717c300 R15: 0000000000022000 [ 49.575841][ T514] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.583177][ T514] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 49.604782][ C1] !!!!! css_killed_ref_fn css ffff88810edffc00 !!! [ 49.611334][ C1] !!!!! css_killed_ref_fn css ffff88810edff800 !!! [ 49.617849][ C1] !!!!! css_killed_ref_fn css ffff88810edfc800 !!! [ 49.624400][ T19] !!!!! css_release css ffff88810edffc00 !!! [ 49.630412][ T19] !!!!! css_release css ffff88810edff800 !!! [ 49.636528][ T19] !!!!! css_release css ffff88810edfc800 !!! [ 49.642551][ T518] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 49.642595][ T530] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 49.649776][ T510] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 49.657464][ T519] FAULT_INJECTION: forcing a failure. [ 49.657464][ T519] name failslab, interval 1, probability 0, space 0, times 0 [ 49.676567][ T519] CPU: 1 PID: 519 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 49.688094][ T519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.698130][ T519] Call Trace: [ 49.701398][ T519] dump_stack+0x19c/0x1e2 [ 49.705721][ T519] should_fail+0x3f7/0x5b0 [ 49.710134][ T519] __should_failslab+0xd2/0x130 [ 49.714973][ T519] should_failslab+0x9/0x20 [ 49.719462][ T519] slab_pre_alloc_hook+0x25/0xe0 [ 49.724379][ T519] kmem_cache_alloc_trace+0x47/0x2b0 [ 49.729646][ T519] ? percpu_ref_init+0xd0/0x330 [ 49.734487][ T519] percpu_ref_init+0xd0/0x330 [ 49.739152][ T519] ? cgroup_setup_root+0x8a0/0x8a0 [ 49.744892][ T519] cgroup_apply_control_enable+0x3d2/0xf70 [ 49.750778][ T519] cgroup_apply_control+0x36/0x710 [ 49.755875][ T519] ? init_wait_entry+0xe0/0xe0 [ 49.760621][ T519] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.765912][ T519] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.771929][ T519] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.777902][ T519] cgroup_file_write+0x22f/0x4f0 [ 49.782835][ T519] kernfs_fop_write_iter+0x2cd/0x410 [ 49.788105][ T519] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.793209][ T519] vfs_write+0xb57/0xe50 [ 49.797485][ T519] ksys_write+0x157/0x260 [ 49.801819][ T519] __x64_sys_write+0x7b/0x90 [ 49.806395][ T519] do_syscall_64+0x34/0x70 [ 49.810798][ T519] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.816666][ T519] RIP: 0033:0x7fe7d4d900e9 [ 49.821072][ T519] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.840830][ T519] RSP: 002b:00007fe7d4ce5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.849227][ T519] RAX: ffffffffffffffda RBX: 00007fe7d4ea3030 RCX: 00007fe7d4d900e9 [ 49.857198][ T519] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.865324][ T519] RBP: 00007fe7d4ce51d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.873293][ T519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.881258][ T519] R13: 00007ffdeb661f7f R14: 00007fe7d4ce5300 R15: 0000000000022000 [ 49.889531][ T519] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 49.934776][ C1] !!!!! css_killed_ref_fn css ffff88810edff000 !!! [ 49.941309][ C1] !!!!! css_killed_ref_fn css ffff88810edfd000 !!! [ 49.948026][ T19] !!!!! css_release css ffff88810edff000 !!! [ 49.954015][ T19] !!!!! css_release css ffff88810edfd000 !!! [ 49.960464][ T528] FAULT_INJECTION: forcing a failure. [ 49.960464][ T528] name failslab, interval 1, probability 0, space 0, times 0 [ 49.973187][ T528] CPU: 0 PID: 528 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 49.984888][ T528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.995193][ T528] Call Trace: [ 49.998466][ T528] dump_stack+0x19c/0x1e2 [ 50.002768][ T528] should_fail+0x3f7/0x5b0 [ 50.007157][ T528] __should_failslab+0xd2/0x130 [ 50.011985][ T528] should_failslab+0x9/0x20 [ 50.016462][ T528] slab_pre_alloc_hook+0x25/0xe0 [ 50.021563][ T528] ? __kernfs_new_node+0x4c/0x6d0 [ 50.026565][ T528] __kmalloc_track_caller+0x70/0x300 [ 50.031845][ T528] ? __kernfs_new_node+0x4c/0x6d0 [ 50.036838][ T528] kstrdup_const+0x55/0x90 [ 50.041239][ T528] __kernfs_new_node+0x4c/0x6d0 [ 50.046085][ T528] ? string+0x29f/0x2b0 [ 50.050230][ T528] ? vsnprintf+0x1a6c/0x1b30 [ 50.054880][ T528] kernfs_new_node+0x97/0x170 [ 50.059530][ T528] __kernfs_create_file+0x4a/0x270 [ 50.064618][ T528] cgroup_addrm_files+0x99e/0xeb0 [ 50.069634][ T528] ? delete_node+0x747/0x7a0 [ 50.074302][ T528] css_populate_dir+0x137/0x370 [ 50.079139][ T528] cgroup_apply_control_enable+0x5cd/0xf70 [ 50.084928][ T528] cgroup_apply_control+0x36/0x710 [ 50.090018][ T528] ? init_wait_entry+0xe0/0xe0 [ 50.094752][ T528] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.100069][ T528] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.106041][ T528] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.112029][ T528] cgroup_file_write+0x22f/0x4f0 [ 50.116940][ T528] kernfs_fop_write_iter+0x2cd/0x410 [ 50.122209][ T528] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.127316][ T528] vfs_write+0xb57/0xe50 [ 50.131554][ T528] ksys_write+0x157/0x260 [ 50.135864][ T528] __x64_sys_write+0x7b/0x90 [ 50.140425][ T528] do_syscall_64+0x34/0x70 [ 50.144843][ T528] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.150705][ T528] RIP: 0033:0x7fb2ff66d0e9 [ 50.155100][ 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 [ 50.174774][ T528] RSP: 002b:00007fb2ff5c2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.183163][ T528] RAX: ffffffffffffffda RBX: 00007fb2ff780030 RCX: 00007fb2ff66d0e9 [ 50.191110][ T528] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.199055][ T528] RBP: 00007fb2ff5c21d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.207192][ T528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.215305][ T528] R13: 00007ffcb82b8a6f R14: 00007fb2ff5c2300 R15: 0000000000022000 [ 50.223777][ T528] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.231126][ T528] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 50.254776][ C0] !!!!! css_killed_ref_fn css ffff88810f040c00 !!! [ 50.261290][ C0] !!!!! css_killed_ref_fn css ffff88810f041400 !!! [ 50.267829][ C0] !!!!! css_killed_ref_fn css ffff88810f043400 !!! [ 50.274377][ T5] !!!!! css_release css ffff88810f040c00 !!! [ 50.280371][ T5] !!!!! css_release css ffff88810f041400 !!! [ 50.287074][ T5] !!!!! css_release css ffff88810f043400 !!! [ 50.293170][ T507] FAULT_INJECTION: forcing a failure. [ 50.293170][ T507] name failslab, interval 1, probability 0, space 0, times 0 [ 50.305937][ T507] CPU: 0 PID: 507 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 50.317465][ T507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.327510][ T507] Call Trace: [ 50.330794][ T507] dump_stack+0x19c/0x1e2 [ 50.335214][ T507] should_fail+0x3f7/0x5b0 [ 50.339611][ T507] __should_failslab+0xd2/0x130 [ 50.344432][ T507] should_failslab+0x9/0x20 [ 50.348908][ T507] slab_pre_alloc_hook+0x25/0xe0 [ 50.353816][ T507] ? __kernfs_new_node+0x4c/0x6d0 [ 50.358814][ T507] __kmalloc_track_caller+0x70/0x300 [ 50.364071][ T507] ? __kernfs_new_node+0x4c/0x6d0 [ 50.369065][ T507] kstrdup_const+0x55/0x90 [ 50.373463][ T507] __kernfs_new_node+0x4c/0x6d0 [ 50.378290][ T507] ? string+0x29f/0x2b0 [ 50.382420][ T507] ? vsnprintf+0x1a6c/0x1b30 [ 50.387000][ T507] kernfs_new_node+0x97/0x170 [ 50.391662][ T507] __kernfs_create_file+0x4a/0x270 [ 50.397137][ T507] cgroup_addrm_files+0x99e/0xeb0 [ 50.402157][ T507] ? delete_node+0x747/0x7a0 [ 50.406727][ T507] css_populate_dir+0x137/0x370 [ 50.411555][ T507] cgroup_apply_control_enable+0x5cd/0xf70 [ 50.417350][ T507] cgroup_apply_control+0x36/0x710 [ 50.422525][ T507] ? init_wait_entry+0xe0/0xe0 [ 50.427267][ T507] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.432527][ T507] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.438483][ T507] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.444436][ T507] cgroup_file_write+0x22f/0x4f0 [ 50.449348][ T507] kernfs_fop_write_iter+0x2cd/0x410 [ 50.454609][ T507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.459695][ T507] vfs_write+0xb57/0xe50 [ 50.463913][ T507] ksys_write+0x157/0x260 [ 50.468225][ T507] __x64_sys_write+0x7b/0x90 [ 50.472794][ T507] do_syscall_64+0x34/0x70 [ 50.477194][ T507] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.483784][ T507] RIP: 0033:0x7fb1537f10e9 [ 50.488206][ 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 [ 50.507806][ T507] RSP: 002b:00007fb153746168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.516209][ T507] RAX: ffffffffffffffda RBX: 00007fb153904030 RCX: 00007fb1537f10e9 [ 50.524261][ T507] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.532389][ T507] RBP: 00007fb1537461d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.540340][ T507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.548295][ T507] R13: 00007fff6c68acbf R14: 00007fb153746300 R15: 0000000000022000 [ 50.556556][ T507] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.563711][ T507] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags b !!! [ 50.572168][ T408] ------------[ cut here ]------------ [ 50.577672][ T408] WARNING: CPU: 0 PID: 408 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 50.586682][ T408] Modules linked in: [ 50.590570][ T408] CPU: 0 PID: 408 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 50.602135][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.612300][ T408] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 50.617953][ T408] Code: 48 c7 c2 40 d9 c4 85 e8 62 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 03 59 a7 ff e9 28 fd ff ff [ 50.637568][ T408] RSP: 0018:ffffc90000c07d58 EFLAGS: 00010293 [ 50.643618][ T408] RAX: ffffffff81af1a3c RBX: ffff88810cc1cce0 RCX: ffff8881025cbd00 [ 50.651601][ T408] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: 0000000000000000 [ 50.659583][ T408] RBP: ffffc90000c07dc8 R08: ffffffff81af1767 R09: fffff52000180fa3 [ 50.667577][ T408] R10: fffff52000180fa3 R11: 1ffff92000180fa2 R12: dffffc0000000000 [ 50.675566][ T408] R13: ffff88810cc1cc00 R14: 00000000fffffffc R15: 0000000000000000 [ 50.683527][ T408] FS: 0000555556735400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 50.692552][ T408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.699426][ T408] CR2: 00007fff6c689e3c CR3: 000000010869d000 CR4: 00000000003506b0 [ 50.707408][ T408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.715481][ T408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.723532][ T408] Call Trace: [ 50.726846][ T408] ? init_wait_entry+0xe0/0xe0 [ 50.731623][ T408] ? up_write+0x68/0x140 [ 50.735902][ T408] namespace_unlock+0x377/0x420 [ 50.740760][ T408] path_umount+0xe23/0xed0 [ 50.745190][ T408] __x64_sys_umount+0xe8/0x110 [ 50.749985][ T408] do_syscall_64+0x34/0x70 [ 50.754479][ T408] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.760513][ T408] RIP: 0033:0x7fb1537f2557 [ 50.764941][ T408] 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 [ 50.784674][ T408] RSP: 002b:00007fff6c689e18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 50.793090][ T408] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb1537f2557 [ 50.801081][ T408] RDX: 00007fff6c689ee9 RSI: 000000000000000a RDI: 00007fff6c689ee0 [ 50.809235][ T408] RBP: 00007fff6c689ee0 R08: 00000000ffffffff R09: 00007fff6c689cb0 [ 50.817218][ T408] R10: 0000555556736ba3 R11: 0000000000000246 R12: 00007fb15384a1f8 [ 50.825290][ T408] R13: 00007fff6c68afa0 R14: 0000555556736b00 R15: 00007fff6c68afe0 [ 50.833247][ T408] ---[ end trace ce307978c4e22eed ]--- [ 50.838933][ T408] ------------[ cut here ]------------ [ 50.844474][ T408] WARNING: CPU: 0 PID: 408 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 50.853435][ T408] Modules linked in: [ 50.854711][ C1] !!!!! css_killed_ref_fn css ffff88810f2bcc00 !!! [ 50.857973][ T408] CPU: 0 PID: 408 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 50.864458][ C1] !!!!! css_killed_ref_fn css ffff88810f2bd400 !!! [ 50.875968][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.875991][ T408] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 50.882453][ C1] !!!!! css_killed_ref_fn css ffff88810f2bf400 !!! [ 50.892521][ T408] Code: 48 c7 c2 40 d9 c4 85 e8 62 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 03 59 a7 ff e9 28 fd ff ff [ 50.898137][ C1] !!!!! css_release css ffff88810f2bf400 !!! [ 50.904620][ T408] RSP: 0018:ffffc90000c07dd0 EFLAGS: 00010293 [ 50.924212][ C1] list_add corruption. prev->next should be next (ffff8881f715b560), but was ffff88810f2bf470. (prev=ffff88810f2bf470). [ 50.924293][ C1] ------------[ cut here ]------------ [ 50.930340][ T408] [ 50.936376][ C1] kernel BUG at lib/list_debug.c:28! [ 50.936394][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 50.948864][ T408] RAX: ffffffff81af1a3c RBX: ffff88810cc1cce0 RCX: ffff8881025cbd00 [ 50.954314][ C1] CPU: 1 PID: 141 Comm: syslogd Tainted: G W 5.10.119-syzkaller-00165-gfa2b08b7db86 #0 [ 50.956798][ T408] RDX: 0000000000000000 RSI: 00000000fffffffb RDI: 0000000000000000 [ 50.962056][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.968098][ T408] RBP: ffffc90000c07e40 R08: ffffffff81af1767 R09: fffff52000180fb2 [ 50.976054][ C1] RIP: 0010:__list_add_valid+0xde/0xf0 [ 50.976070][ C1] Code: f1 31 c0 e8 b7 cb 1b 02 0f 0b 48 c7 c7 50 3b d6 85 e8 b6 f2 19 00 48 c7 c7 a0 f3 02 85 4c 89 f6 4c 89 e1 31 c0 e8 95 cb 1b 02 <0f> 0b 48 c7 c7 60 3b d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 50.986971][ T408] R10: fffff52000180fb2 R11: 1ffff92000180fb1 R12: dffffc0000000000 [ 50.994905][ C1] RSP: 0018:ffffc90000160bc0 EFLAGS: 00010046 [ 50.994925][ C1] RAX: 0000000000000075 RBX: ffff8881f715b568 RCX: efd15470297f1700 [ 51.004958][ T408] R13: ffff88810cc1cc00 R14: 00000000fffffffb R15: 0000000000000000 [ 51.012898][ C1] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 [ 51.018340][ T408] FS: 0000555556735400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 51.037961][ C1] RBP: ffffc90000160be8 R08: ffffffff81514558 R09: fffff5200002c145 [ 51.037969][ C1] R10: fffff5200002c145 R11: 1ffff9200002c144 R12: ffff88810f2bf470 [ 51.037983][ C1] R13: dffffc0000000000 R14: ffff8881f715b560 R15: ffff88810f2bf470 [ 51.045952][ T408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.051999][ C1] FS: 00007fddd7e81800(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 51.059966][ T408] CR2: 00007fff6c689e3c CR3: 000000010869d000 CR4: 00000000003506b0 [ 51.068003][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.068011][ C1] CR2: 00007fb2ff5c1ff8 CR3: 00000001093b7000 CR4: 00000000003506a0 [ 51.068026][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.075988][ T408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.084897][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.084901][ C1] Call Trace: [ 51.084912][ C1] [ 51.092865][ T408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.100803][ C1] insert_work+0xfc/0x330 [ 51.100820][ C1] __queue_work+0x99e/0xe20 [ 51.108767][ T408] Call Trace: [ 51.115320][ C1] queue_work_on+0xbe/0x110 [ 51.115337][ C1] css_release+0xdb/0x100 [ 51.124239][ T408] path_umount+0x1ad/0xed0 [ 51.132181][ C1] percpu_ref_switch_to_atomic_rcu+0x5be/0x5e0 [ 51.132197][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 51.138805][ T408] __x64_sys_umount+0xe8/0x110 [ 51.146743][ C1] rcu_do_batch+0x4ad/0xb00 [ 51.146759][ C1] rcu_core+0x64a/0xdf0 [ 51.154715][ T408] do_syscall_64+0x34/0x70 [ 51.162656][ C1] rcu_core_si+0x9/0x10 [ 51.170614][ T408] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.173873][ C1] __do_softirq+0x253/0x67b [ 51.176879][ T408] RIP: 0033:0x7fb1537f2557 [ 51.184816][ C1] asm_call_irq_on_stack+0xf/0x20 [ 51.184826][ C1] [ 51.189136][ T408] 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 [ 51.193613][ C1] do_softirq_own_stack+0x60/0x80 [ 51.196902][ T408] RSP: 002b:00007fff6c689e18 EFLAGS: 00000246 [ 51.201392][ C1] __irq_exit_rcu+0x152/0x1e0 [ 51.205835][ T408] ORIG_RAX: 00000000000000a6 [ 51.210207][ C1] irq_exit_rcu+0x9/0x10 [ 51.216360][ T408] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb1537f2557 [ 51.222506][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 51.227249][ T408] RDX: 00007fff6c689ee9 RSI: 000000000000000a RDI: 00007fff6c689ee0 [ 51.231714][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 51.235859][ T408] RBP: 00007fff6c689ee0 R08: 00000000ffffffff R09: 00007fff6c689cb0 [ 51.240243][ C1] RIP: 0010:path_init+0x162/0x1120 [ 51.244380][ T408] R10: 0000555556736ba3 R11: 0000000000000246 R12: 00007fb15384a1f8 [ 51.250464][ C1] Code: be ff 89 d8 83 e0 01 4c 89 6d 98 75 0a 4d 89 e5 e8 d3 41 be ff eb 5f 49 c7 c6 c0 d5 a0 85 49 c1 ee 03 66 0f 1f 44 00 00 f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 04 06 84 c0 75 12 8b 1d 45 [ 51.250471][ C1] RSP: 0018:ffffc90000b47af0 EFLAGS: 00000293 [ 51.255226][ T408] R13: 00007fff6c68afa0 R14: 0000555556736b00 R15: 00007fff6c68afe0 [ 51.259965][ C1] RAX: ffffffff81aac985 RBX: 00000000000004d9 RCX: ffff888109418f40 [ 51.264988][ T408] ---[ end trace ce307978c4e22eee ]--- [ 51.267897][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 51.421520][ C1] RBP: ffffc90000b47b88 R08: ffffffff81aac93a R09: ffffed1021c4c4ab [ 51.429669][ C1] R10: ffffed1021c4c4ab R11: 1ffff11021c4c4aa R12: ffff88810f1a5520 [ 51.437762][ C1] R13: ffffc90000b47d78 R14: 1ffffffff0b41ab8 R15: ffffc90000b47d40 [ 51.445723][ C1] ? path_init+0x13a/0x1120 [ 51.450208][ C1] ? path_init+0x185/0x1120 [ 51.454705][ C1] path_openat+0x11a/0x3210 [ 51.459206][ C1] do_filp_open+0x2ef/0x3e0 [ 51.463731][ C1] do_sys_openat2+0xce/0x390 [ 51.468303][ C1] __x64_sys_openat+0x1e6/0x210 [ 51.473145][ C1] do_syscall_64+0x34/0x70 [ 51.477545][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.483423][ C1] RIP: 0033:0x7fddd800d697 [ 51.487820][ C1] Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f [ 51.507411][ C1] RSP: 002b:00007ffde34aae50 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 51.515949][ C1] RAX: ffffffffffffffda RBX: 000055b7fd2202c0 RCX: 00007fddd800d697 [ 51.523967][ C1] RDX: 0000000000000d41 RSI: 00007fddd819b99a RDI: 00000000ffffff9c [ 51.532040][ C1] RBP: 00007fddd819b99a R08: 00007fddd809d040 R09: 00007fddd809d0c0 [ 51.540003][ C1] R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000000d41 [ 51.548223][ C1] R13: 000055b7fd220400 R14: 0000000000000004 R15: 000055b7fd220410 [ 51.556202][ C1] Modules linked in: [ 51.560088][ C1] ---[ end trace ce307978c4e22eef ]--- [ 51.565615][ C1] RIP: 0010:__list_add_valid+0xde/0xf0 [ 51.571606][ C1] Code: f1 31 c0 e8 b7 cb 1b 02 0f 0b 48 c7 c7 50 3b d6 85 e8 b6 f2 19 00 48 c7 c7 a0 f3 02 85 4c 89 f6 4c 89 e1 31 c0 e8 95 cb 1b 02 <0f> 0b 48 c7 c7 60 3b d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 51.591189][ C1] RSP: 0018:ffffc90000160bc0 EFLAGS: 00010046 [ 51.597232][ C1] RAX: 0000000000000075 RBX: ffff8881f715b568 RCX: efd15470297f1700 [ 51.605182][ C1] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 [ 51.613124][ C1] RBP: ffffc90000160be8 R08: ffffffff81514558 R09: fffff5200002c145 [ 51.621077][ C1] R10: fffff5200002c145 R11: 1ffff9200002c144 R12: ffff88810f2bf470 [ 51.629022][ C1] R13: dffffc0000000000 R14: ffff8881f715b560 R15: ffff88810f2bf470 [ 51.636980][ C1] FS: 00007fddd7e81800(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 51.646139][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.652696][ C1] CR2: 00007fb2ff5c1ff8 CR3: 00000001093b7000 CR4: 00000000003506a0 [ 51.660731][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.668671][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.676624][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 52.786167][ C1] Shutting down cpus with NMI [ 52.791104][ C1] Kernel Offset: disabled [ 52.795417][ C1] Rebooting in 86400 seconds..