[ 18.896895][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 18.905286][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 18.913695][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 18.921604][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 19.460006][ T41] device bridge_slave_1 left promiscuous mode [ 19.466153][ T41] bridge0: port 2(bridge_slave_1) entered disabled state [ 19.474949][ T41] device bridge_slave_0 left promiscuous mode [ 19.481214][ T41] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.796686][ T25] kauditd_printk_skb: 64 callbacks suppressed [ 29.796698][ T25] audit: type=1400 audit(1653559328.970:147): avc: denied { read } for pid=148 comm="syslogd" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. 2022/05/26 10:02:15 parsed 1 programs [ 36.150455][ T25] audit: type=1400 audit(1653559335.330:148): avc: denied { mounton } for pid=405 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 [ 36.160102][ T405] cgroup: Unknown subsys name 'net' [ 36.179319][ T405] cgroup: Unknown subsys name 'devices' [ 36.186027][ T405] cgroup: Unknown subsys name 'hugetlb' [ 36.191853][ T405] cgroup: Unknown subsys name 'rlimit' 2022/05/26 10:02:15 executed programs: 0 [ 36.198070][ T25] audit: type=1400 audit(1653559335.370:149): avc: denied { mounton } for pid=405 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 [ 36.249026][ T25] audit: type=1400 audit(1653559335.370:150): avc: denied { mount } for pid=405 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 [ 36.301852][ T25] audit: type=1400 audit(1653559335.400:151): avc: denied { mounton } for pid=410 comm="syz-executor.2" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 36.326036][ T25] audit: type=1400 audit(1653559335.400:152): avc: denied { module_request } for pid=410 comm="syz-executor.2" kmod="netdev-nr2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 36.393376][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.400450][ T416] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.407780][ T416] device bridge_slave_0 entered promiscuous mode [ 36.421191][ T414] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.428340][ T414] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.435678][ T414] device bridge_slave_0 entered promiscuous mode [ 36.442454][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.449508][ T410] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.456859][ T410] device bridge_slave_0 entered promiscuous mode [ 36.469249][ T416] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.476408][ T416] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.483827][ T416] device bridge_slave_1 entered promiscuous mode [ 36.492201][ T415] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.499219][ T415] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.506560][ T415] device bridge_slave_0 entered promiscuous mode [ 36.517117][ T414] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.524418][ T414] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.531872][ T414] device bridge_slave_1 entered promiscuous mode [ 36.540304][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.547434][ T410] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.555147][ T410] device bridge_slave_1 entered promiscuous mode [ 36.565979][ T415] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.573137][ T415] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.580380][ T415] device bridge_slave_1 entered promiscuous mode [ 36.630674][ T419] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.637844][ T419] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.645281][ T419] device bridge_slave_0 entered promiscuous mode [ 36.665968][ T419] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.673013][ T419] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.680446][ T419] device bridge_slave_1 entered promiscuous mode [ 36.692275][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.699304][ T420] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.706759][ T420] device bridge_slave_0 entered promiscuous mode [ 36.731838][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.738867][ T420] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.746425][ T420] device bridge_slave_1 entered promiscuous mode [ 36.799943][ T414] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.806984][ T414] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.814235][ T414] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.821375][ T414] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.834295][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.841335][ T410] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.848598][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.855625][ T410] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.863606][ T416] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.870670][ T416] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.877902][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.884934][ T416] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.920108][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.928102][ T418] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.935553][ T418] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.942760][ T418] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.950121][ T418] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.957275][ T418] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.965008][ T418] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.002767][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.010867][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.018927][ T26] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.025965][ T26] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.033644][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.041793][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.048795][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.056112][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.064241][ T26] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.071375][ T26] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.095807][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.104157][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.111190][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.118539][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.126904][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.150239][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.158478][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.166516][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.174685][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.182654][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.213620][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.221224][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.229075][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.238328][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.246346][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.254617][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.261676][ T418] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.269111][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.277227][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.284348][ T418] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.291854][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.299815][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.307672][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.315092][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.339682][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 37.347663][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.356012][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.365008][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.373061][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.399784][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.408076][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.416776][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 37.425344][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.434453][ T26] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.441484][ T26] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.448924][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 37.457246][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.465674][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.472703][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.480134][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.488247][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.496629][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 37.504756][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.512738][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.520960][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.529200][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 37.537285][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.545235][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 37.553527][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.561674][ T26] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.568760][ T26] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.576170][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.584419][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.592766][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 37.600976][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.609105][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.616215][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.623517][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.631746][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.651561][ T25] audit: type=1400 audit(1653559336.830:153): avc: denied { mount } for pid=416 comm="syz-executor.5" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 37.691033][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 37.698568][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 37.707195][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.715474][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 37.723431][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.731193][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 37.739159][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.747241][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.755411][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.763688][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.771823][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.780063][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 37.788282][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.796234][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 37.804190][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.849399][ T25] audit: type=1400 audit(1653559337.020:154): avc: denied { mounton } for pid=441 comm="syz-executor.5" path="/root/syzkaller-testdir4207188919/syzkaller.VHkMpn/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 37.877327][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.885366][ T25] audit: type=1400 audit(1653559337.060:155): avc: denied { append } for pid=148 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 [ 37.885761][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.908382][ T25] audit: type=1400 audit(1653559337.060:156): avc: denied { open } for pid=148 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 [ 37.915361][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 37.937126][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 37.937142][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 37.937157][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 37.945753][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.953529][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 37.953538][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 37.953548][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 37.959559][ T21] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.965053][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 37.965072][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 37.973130][ T21] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.979378][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 37.985443][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 37.993307][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 37.993318][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 37.993328][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 37.993343][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 38.000657][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.006056][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 38.006066][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 38.012060][ T21] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.019022][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 38.019035][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 38.019050][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 38.024684][ T21] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.032732][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 38.038663][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.046687][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 38.046697][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 38.046707][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 38.046722][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 38.046732][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 38.052740][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.058211][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 38.060267][ T451] FAULT_INJECTION: forcing a failure. [ 38.060267][ T451] name failslab, interval 1, probability 0, space 0, times 1 [ 38.084932][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.093714][ T25] audit: type=1400 audit(1653559337.060:157): avc: denied { getattr } for pid=148 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 38.099016][ T451] CPU: 1 PID: 451 Comm: syz-executor.5 Not tainted 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 38.222722][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.232858][ T451] Call Trace: [ 38.236173][ T451] [ 38.239117][ T451] dump_stack_lvl+0x151/0x1b7 [ 38.243794][ T451] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.249285][ T451] ? selinux_kernfs_init_security+0x1a8/0x760 [ 38.255445][ T451] dump_stack+0x15/0x17 [ 38.259690][ T451] should_fail+0x3c0/0x510 [ 38.264267][ T451] ? __kernfs_new_node+0x99/0x6e0 [ 38.269280][ T451] __should_failslab+0x9f/0xe0 [ 38.274028][ T451] should_failslab+0x9/0x20 [ 38.278513][ T451] __kmalloc_track_caller+0x6c/0x340 [ 38.283791][ T451] kstrdup_const+0x55/0x90 [ 38.288451][ T451] __kernfs_new_node+0x99/0x6e0 [ 38.293288][ T451] ? stack_trace_save+0x1f0/0x1f0 [ 38.298382][ T451] ? kernfs_new_node+0x170/0x170 [ 38.303304][ T451] ? ptr_to_hashval+0x60/0x60 [ 38.307963][ T451] ? arch_stack_walk+0xf8/0x140 [ 38.312808][ T451] ? snprintf+0xd6/0x120 [ 38.317132][ T451] kernfs_new_node+0x97/0x170 [ 38.321797][ T451] __kernfs_create_file+0x4a/0x270 [ 38.326904][ T451] cgroup_addrm_files+0xab8/0xfe0 [ 38.332015][ T451] ? ____kasan_kmalloc+0xdc/0x110 [ 38.337461][ T451] ? __kasan_kmalloc+0x9/0x10 [ 38.342120][ T451] ? kmem_cache_alloc_trace+0x1f0/0x320 [ 38.347663][ T451] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 38.353803][ T451] ? delete_node+0x759/0x7b0 [ 38.358388][ T451] ? __kasan_check_read+0x11/0x20 [ 38.363456][ T451] ? delete_node+0x759/0x7b0 [ 38.368264][ T451] ? __kasan_check_write+0x14/0x20 [ 38.373365][ T451] ? idr_replace+0x1c4/0x230 [ 38.377945][ T451] ? idr_get_next+0x4b0/0x4b0 [ 38.382754][ T451] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 38.387765][ T451] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 38.392949][ T451] css_populate_dir+0x137/0x370 [ 38.397790][ T451] cgroup_apply_control_enable+0x889/0x10c0 [ 38.403667][ T451] cgroup_apply_control+0x93/0x710 [ 38.408764][ T451] ? css_next_child+0x160/0x160 [ 38.413605][ T451] ? wake_bit_function+0x230/0x230 [ 38.418708][ T451] ? kernfs_fop_write_iter+0x15b/0x410 [ 38.424172][ T451] ? __kasan_check_write+0x14/0x20 [ 38.429283][ T451] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 38.434554][ T451] cgroup_subtree_control_write+0xdde/0x1340 [ 38.440537][ T451] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 38.446511][ T451] ? __kasan_check_write+0x14/0x20 [ 38.451607][ T451] ? _copy_from_iter+0x360/0xed0 [ 38.456530][ T451] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 38.462494][ T451] cgroup_file_write+0x28e/0x590 [ 38.467418][ T451] ? cgroup_seqfile_stop+0xc0/0xc0 [ 38.472511][ T451] ? bit_wait_io_timeout+0x110/0x110 [ 38.477952][ T451] ? __kasan_check_write+0x14/0x20 [ 38.483047][ T451] kernfs_fop_write_iter+0x2cd/0x410 [ 38.488319][ T451] ? cgroup_seqfile_stop+0xc0/0xc0 [ 38.493415][ T451] vfs_write+0xbb4/0xf30 [ 38.497648][ T451] ? file_end_write+0x1b0/0x1b0 [ 38.502485][ T451] ? mutex_lock+0xec/0x130 [ 38.506885][ T451] ? bit_wait_io_timeout+0x110/0x110 [ 38.512153][ T451] ? __fdget_pos+0x26d/0x310 [ 38.516726][ T451] ? ksys_write+0x77/0x2c0 [ 38.521137][ T451] ksys_write+0x198/0x2c0 [ 38.525450][ T451] ? __ia32_sys_read+0x90/0x90 [ 38.530199][ T451] ? debug_smp_processor_id+0x17/0x20 [ 38.535553][ T451] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 38.541609][ T451] __x64_sys_write+0x7b/0x90 [ 38.546182][ T451] do_syscall_64+0x2f/0x50 [ 38.550590][ T451] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 38.556473][ T451] RIP: 0033:0x7f287c0890e9 [ 38.560873][ 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 [ 38.580806][ T451] RSP: 002b:00007f287d27b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.589204][ T451] RAX: ffffffffffffffda RBX: 00007f287c19c030 RCX: 00007f287c0890e9 [ 38.597165][ T451] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 38.605123][ T451] RBP: 00007f287d27b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.613081][ T451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.621039][ T451] R13: 00007ffc22ba17af R14: 00007f287d27b300 R15: 0000000000022000 [ 38.629000][ T451] [ 38.632853][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.636855][ T451] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 38.640922][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.656261][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.664691][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.672490][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.680388][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.688512][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.689762][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 38.696825][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.704743][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 38.704769][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 38.713151][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.718625][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 38.724950][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.732545][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 38.732567][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 38.738653][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.746156][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 38.746177][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 38.752403][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.760152][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 38.760166][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 38.760173][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 38.760184][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 38.760201][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 38.760210][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 38.760217][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 38.829931][ T455] FAULT_INJECTION: forcing a failure. [ 38.829931][ T455] name failslab, interval 1, probability 0, space 0, times 0 [ 38.849019][ T455] CPU: 1 PID: 455 Comm: syz-executor.5 Not tainted 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 38.859024][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.869066][ T455] Call Trace: [ 38.872335][ T455] [ 38.875256][ T455] dump_stack_lvl+0x151/0x1b7 [ 38.879776][ T53] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-... [ 38.879913][ T455] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.879924][ T53] } 3 jiffies s: 1769 root: 0x2/. [ 38.879936][ T53] rcu: blocking rcu_node structures (internal RCU debug): [ 38.888495][ T455] ? selinux_kernfs_init_security+0x1a8/0x760 [ 38.893975][ T53] [ 38.899028][ T455] dump_stack+0x15/0x17 [ 38.906122][ T53] Task dump for CPU 1: [ 38.912142][ T455] should_fail+0x3c0/0x510 [ 38.912160][ T455] ? __kernfs_new_node+0x99/0x6e0 [ 38.914460][ T53] task:syz-executor.5 state:R [ 38.918692][ T455] __should_failslab+0x9f/0xe0 [ 38.922774][ T53] running task [ 38.927144][ T455] should_failslab+0x9/0x20 [ 38.932237][ T53] stack: 0 pid: 455 ppid: 416 flags:0x00004008 [ 38.937049][ T455] __kmalloc_track_caller+0x6c/0x340 [ 38.942174][ T53] Call Trace: [ 38.945745][ T455] kstrdup_const+0x55/0x90 [ 38.950240][ T53] [ 38.956958][ T455] __kernfs_new_node+0x99/0x6e0 [ 38.962261][ T53] ? __kasan_check_write+0x14/0x20 [ 38.965578][ T455] ? stack_trace_save+0x1f0/0x1f0 [ 38.971151][ T53] ? preempt_count_add+0x90/0x1a0 [ 38.973051][ T455] ? kernfs_new_node+0x170/0x170 [ 38.977876][ T53] ? vprintk_emit+0x141/0x440 [ 38.982960][ T455] ? ptr_to_hashval+0x60/0x60 [ 38.982975][ T455] ? arch_stack_walk+0xf8/0x140 [ 38.982992][ T455] ? snprintf+0xd6/0x120 [ 38.988322][ T53] ? vprintk_store+0x1250/0x1250 [ 38.992986][ T455] kernfs_new_node+0x97/0x170 [ 38.993006][ T455] __kernfs_create_file+0x4a/0x270 [ 38.998120][ T53] ? vprintk_default+0x26/0x30 [ 39.002575][ T455] cgroup_addrm_files+0xab8/0xfe0 [ 39.002593][ T455] ? ____kasan_kmalloc+0xdc/0x110 [ 39.002606][ T455] ? __kasan_kmalloc+0x9/0x10 [ 39.002617][ T455] ? kmem_cache_alloc_trace+0x1f0/0x320 [ 39.007595][ T53] ? vprintk+0x86/0x90 [ 39.012103][ T455] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 39.012123][ T455] ? delete_node+0x759/0x7b0 [ 39.016568][ T53] ? _printk+0xcf/0x10f [ 39.021252][ T455] ? __kasan_check_read+0x11/0x20 [ 39.021270][ T455] ? delete_node+0x759/0x7b0 [ 39.021284][ T455] ? __kasan_check_write+0x14/0x20 [ 39.026164][ T53] ? __kasan_check_write+0x14/0x20 [ 39.031028][ T455] ? idr_replace+0x1c4/0x230 [ 39.031045][ T455] ? idr_get_next+0x4b0/0x4b0 [ 39.031057][ T455] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 39.036029][ T53] ? wake_up_klogd+0xb8/0xf0 [ 39.040802][ T455] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 39.040821][ T455] css_populate_dir+0x137/0x370 [ 39.046010][ T53] ? panic+0x690/0x690 [ 39.050472][ T455] cgroup_apply_control_enable+0x889/0x10c0 [ 39.050493][ T455] cgroup_apply_control+0x93/0x710 [ 39.056101][ T53] ? is_module_text_address+0xe1/0x140 [ 39.060051][ T455] ? css_next_child+0x160/0x160 [ 39.060066][ T455] ? wake_bit_function+0x230/0x230 [ 39.060086][ T455] ? kernfs_fop_write_iter+0x15b/0x410 [ 39.066208][ T53] ? kernel_text_address+0xa8/0xe0 [ 39.070768][ T455] ? __kasan_check_write+0x14/0x20 [ 39.070786][ T455] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 39.075659][ T53] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 39.080175][ T455] cgroup_subtree_control_write+0xdde/0x1340 [ 39.080196][ T455] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.080211][ T455] ? __kasan_check_write+0x14/0x20 [ 39.085012][ T53] ? __kasan_check_write+0x14/0x20 [ 39.089859][ T455] ? _copy_from_iter+0x360/0xed0 [ 39.089878][ T455] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.089893][ T455] cgroup_file_write+0x28e/0x590 [ 39.095219][ T53] ? show_trace_log_lvl+0x2d6/0x410 [ 39.099542][ T455] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.104332][ T53] ? kernfs_fop_write_iter+0x2cd/0x410 [ 39.109187][ T455] ? bit_wait_io_timeout+0x110/0x110 [ 39.113884][ T53] ? show_stack+0x40/0x50 [ 39.118918][ T455] ? __kasan_check_write+0x14/0x20 [ 39.123903][ T53] ? dump_stack_lvl+0x151/0x1b7 [ 39.127788][ T455] kernfs_fop_write_iter+0x2cd/0x410 [ 39.134034][ T53] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.138841][ T455] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.269195][ T455] vfs_write+0xbb4/0xf30 [ 39.273435][ T455] ? file_end_write+0x1b0/0x1b0 [ 39.278274][ T455] ? mutex_lock+0xec/0x130 [ 39.282849][ T455] ? bit_wait_io_timeout+0x110/0x110 [ 39.288118][ T455] ? __fdget_pos+0x26d/0x310 [ 39.292690][ T455] ? ksys_write+0x77/0x2c0 [ 39.297087][ T455] ksys_write+0x198/0x2c0 [ 39.301399][ T455] ? __ia32_sys_read+0x90/0x90 [ 39.306147][ T455] ? debug_smp_processor_id+0x17/0x20 [ 39.311498][ T455] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 39.317548][ T455] __x64_sys_write+0x7b/0x90 [ 39.322121][ T455] do_syscall_64+0x2f/0x50 [ 39.326519][ T455] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 39.332399][ T455] RIP: 0033:0x7f287c0890e9 [ 39.336796][ 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 [ 39.356380][ T455] RSP: 002b:00007f287d27b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.364772][ T455] RAX: ffffffffffffffda RBX: 00007f287c19c030 RCX: 00007f287c0890e9 [ 39.372723][ T455] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.380675][ T455] RBP: 00007f287d27b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.388638][ T455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.396599][ T455] R13: 00007ffc22ba17af R14: 00007f287d27b300 R15: 0000000000022000 [ 39.404573][ T455] [ 39.408659][ T53] ? selinux_kernfs_init_security+0x1a8/0x760 [ 39.409876][ T455] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 39.415412][ T53] ? printk_parse_prefix+0x310/0x310 [ 39.427214][ T53] ? enqueue_task_fair+0x2fc/0x1170 [ 39.433336][ T53] ? is_bpf_text_address+0x1a2/0x1c0 [ 39.438633][ T53] ? is_module_text_address+0xe1/0x140 [ 39.444237][ T53] ? stack_trace_save+0x1f0/0x1f0 [ 39.449385][ T53] ? kernel_text_address+0xa8/0xe0 [ 39.454635][ T53] ? __kernel_text_address+0xd/0x40 [ 39.459742][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 39.459881][ T53] ? unwind_get_return_address+0x4c/0x90 [ 39.468072][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 39.473676][ T53] ? arch_stack_walk+0xf8/0x140 [ 39.479376][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 39.484448][ T53] ? __kasan_check_write+0x14/0x20 [ 39.489987][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 39.489998][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 39.495195][ T53] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 39.500713][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 39.506566][ T53] ? _raw_spin_lock+0x1b0/0x1b0 [ 39.511870][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 39.511891][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 39.511904][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 39.511911][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 39.520300][ T53] ? stack_trace_save+0x12d/0x1f0 [ 39.524980][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 39.524993][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 39.525010][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 39.530735][ T53] ? __stack_depot_save+0x428/0x490 [ 39.536493][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 39.536503][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 39.542184][ T53] ? stack_trace_snprint+0x100/0x100 [ 39.547947][ C1] ------------[ cut here ]------------ [ 39.552873][ T53] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 39.561070][ C1] WARNING: CPU: 1 PID: 20 at kernel/fork.c:554 __put_task_struct+0x363/0x4d0 [ 39.561097][ C1] Modules linked in: [ 39.561107][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 39.566829][ T53] ? __stack_depot_save+0x428/0x490 [ 39.572674][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.572685][ C1] RIP: 0010:__put_task_struct+0x363/0x4d0 [ 39.572702][ C1] Code: c3 e8 81 16 2e 00 0f 0b e9 0c fd ff ff e8 75 16 2e 00 0f 0b e9 3c fd ff ff e8 69 16 2e 00 0f 0b e9 47 fd ff ff e8 5d 16 2e 00 <0f> 0b e9 63 ff ff ff e8 51 16 2e 00 4c 89 f7 be 03 00 00 00 e8 e4 [ 39.572715][ C1] RSP: 0018:ffffc90000157a98 EFLAGS: 00010246 [ 39.579033][ T53] ? kasan_save_stack+0x4b/0x60 [ 39.583948][ C1] [ 39.583955][ C1] RAX: ffffffff81427883 RBX: 0000000000000001 RCX: ffff8881002590c0 [ 39.590232][ T53] ? kasan_save_stack+0x3b/0x60 [ 39.595128][ C1] RDX: 0000000080000100 RSI: 0000000000000001 RDI: 0000000000000000 [ 39.595143][ C1] RBP: ffffc90000157ac8 R08: ffffffff814277e0 R09: ffffed10219d4379 [ 39.595155][ C1] R10: ffffed10219d4379 R11: 1ffff110219d4378 R12: dffffc0000000000 [ 39.600961][ T53] ? __kasan_record_aux_stack+0xb3/0xc0 [ 39.606424][ C1] R13: ffff88810cea10c0 R14: ffff88810de7aac0 R15: 0000000000000003 [ 39.606442][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 39.606456][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.615693][ T53] ? kasan_record_aux_stack_noalloc+0xb/0x10 [ 39.619265][ C1] CR2: 0000555555674b38 CR3: 000000012443b000 CR4: 00000000003506a0 [ 39.619283][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.629103][ T53] ? call_rcu+0xf9/0x1390 [ 39.634097][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.634113][ C1] Call Trace: [ 39.644423][ T53] ? evict+0x5de/0x630 [ 39.649862][ C1] [ 39.649868][ C1] ? delayed_put_task_struct+0x54/0x180 [ 39.669928][ T53] ? iput+0x61c/0x850 [ 39.675702][ C1] delayed_put_task_struct+0x5c/0x180 [ 39.680726][ T53] ? proc_invalidate_siblings_dcache+0x338/0x410 [ 39.682947][ C1] ? refcount_dec_and_test+0x80/0x80 [ 39.682970][ C1] rcu_do_batch+0x507/0xbc0 [ 39.691130][ T53] ? proc_flush_pid+0x1a/0x20 [ 39.695767][ C1] ? local_bh_enable+0x20/0x20 [ 39.695784][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 39.703939][ T53] ? release_task+0x1208/0x1330 [ 39.711711][ C1] ? note_gp_changes+0x158/0x260 [ 39.719867][ T53] ? do_exit+0x1b35/0x25d0 [ 39.725216][ C1] rcu_core+0x4dc/0xef0 [ 39.733370][ T53] ? do_group_exit+0x250/0x320 [ 39.742179][ C1] ? rcu_cpu_kthread_park+0x90/0x90 [ 39.748906][ T53] ? get_signal+0x158d/0x16c0 [ 39.754726][ C1] rcu_core_si+0x9/0x10 [ 39.763267][ T53] ? arch_do_signal_or_restart+0x8d/0x650 [ 39.770656][ C1] __do_softirq+0x24e/0x586 [ 39.775139][ T53] ? exit_to_user_mode_loop+0x6a/0xd0 [ 39.783047][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 39.786472][ T53] ? exit_to_user_mode_prepare+0x59/0x80 [ 39.790398][ C1] run_ksoftirqd+0x23/0x30 [ 39.790417][ C1] smpboot_thread_fn+0x4db/0x980 [ 39.793506][ T53] ? syscall_exit_to_user_mode+0x24/0x40 [ 39.798840][ C1] kthread+0x26b/0x300 [ 39.798861][ C1] ? cpu_report_death+0x1a0/0x1a0 [ 39.803033][ T53] ? do_syscall_64+0x3b/0x50 [ 39.808173][ C1] ? kthread_blkcg+0xd0/0xd0 [ 39.808194][ C1] ret_from_fork+0x1f/0x30 [ 39.814729][ T53] ? entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 39.819873][ C1] [ 39.819880][ C1] ---[ end trace 0000000000000000 ]--- [ 39.820224][ T452] FAULT_INJECTION: forcing a failure. [ 39.820224][ T452] name failslab, interval 1, probability 0, space 0, times 0 [ 39.824732][ T53] ? __kasan_check_write+0x14/0x20 [ 39.829013][ T452] CPU: 1 PID: 452 Comm: syz-executor.3 Tainted: G W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 39.829032][ T452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.829041][ T452] Call Trace: [ 39.834029][ T53] ? _raw_spin_lock+0xa3/0x1b0 [ 39.839540][ T452] [ 39.839547][ T452] dump_stack_lvl+0x151/0x1b7 [ 39.844596][ T53] ? dequeue_entity+0xe60/0xe60 [ 39.849375][ T452] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.849395][ T452] ? pcpu_alloc+0xe83/0x1420 [ 39.854002][ T53] ? __kasan_check_read+0x11/0x20 [ 39.857905][ T452] dump_stack+0x15/0x17 [ 39.857924][ T452] should_fail+0x3c0/0x510 [ 39.862915][ T53] ? psi_group_change+0x912/0x1020 [ 39.867828][ T452] ? percpu_ref_init+0xc9/0x370 [ 39.867849][ T452] __should_failslab+0x9f/0xe0 [ 39.872733][ T53] ? set_next_entity+0x830/0x830 [ 39.876625][ T452] should_failslab+0x9/0x20 [ 39.876643][ T452] kmem_cache_alloc_trace+0x4a/0x320 [ 39.882865][ T53] ? psi_task_switch+0x555/0x830 [ 39.886805][ T452] ? cgroup_setup_root+0xec0/0xec0 [ 39.886823][ T452] percpu_ref_init+0xc9/0x370 [ 39.892480][ T53] ? __schedule+0xb22/0x1020 [ 39.897415][ T452] ? cgroup_setup_root+0xec0/0xec0 [ 39.897434][ T452] cgroup_apply_control_enable+0x383/0x10c0 [ 39.903240][ T53] ? __kasan_check_write+0x14/0x20 [ 39.907421][ T452] cgroup_apply_control+0x93/0x710 [ 39.907440][ T452] ? css_next_child+0x160/0x160 [ 39.912677][ T53] ? release_firmware_map_entry+0x191/0x191 [ 39.918034][ T452] ? wake_bit_function+0x230/0x230 [ 39.918053][ T452] ? kernfs_fop_write_iter+0x15b/0x410 [ 39.922308][ T53] ? release_task+0x12db/0x1330 [ 39.927085][ T452] ? __kasan_check_write+0x14/0x20 [ 39.927104][ T452] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 39.931874][ T53] ? do_task_dead+0x98/0xa0 [ 39.936222][ T452] cgroup_subtree_control_write+0xdde/0x1340 [ 39.936246][ T452] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.940847][ T53] ? do_exit+0x1d73/0x25d0 [ 39.946697][ T452] ? __kasan_check_write+0x14/0x20 [ 39.946717][ T452] ? _copy_from_iter+0x360/0xed0 [ 39.949964][ T53] ? mm_update_next_owner+0x720/0x720 [ 39.955232][ T452] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 39.955253][ T452] cgroup_file_write+0x28e/0x590 [ 39.968078][ T53] ? futex_wait_setup+0x320/0x320 [ 39.972882][ T452] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.972900][ T452] ? bit_wait_io_timeout+0x110/0x110 [ 39.972917][ T452] ? __kasan_check_write+0x14/0x20 [ 39.984567][ T53] ? __kasan_check_write+0x14/0x20 [ 39.994303][ T452] kernfs_fop_write_iter+0x2cd/0x410 [ 39.994321][ T452] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.994337][ T452] vfs_write+0xbb4/0xf30 [ 39.997835][ T53] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 40.002349][ T452] ? file_end_write+0x1b0/0x1b0 [ 40.002367][ T452] ? mutex_lock+0xb6/0x130 [ 40.002381][ T452] ? bit_wait_io_timeout+0x110/0x110 [ 40.005631][ T53] ? do_group_exit+0x250/0x320 [ 40.010046][ T452] ? __fdget_pos+0x26d/0x310 [ 40.010064][ T452] ? ksys_write+0x77/0x2c0 [ 40.010079][ T452] ksys_write+0x198/0x2c0 [ 40.010094][ T452] ? __ia32_sys_read+0x90/0x90 [ 40.015188][ T53] ? __kasan_check_write+0x14/0x20 [ 40.020365][ T452] ? debug_smp_processor_id+0x17/0x20 [ 40.020383][ T452] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 40.020399][ T452] __x64_sys_write+0x7b/0x90 [ 40.025291][ T53] ? get_signal+0x158d/0x16c0 [ 40.030049][ T452] do_syscall_64+0x2f/0x50 [ 40.030068][ T452] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 40.030087][ T452] RIP: 0033:0x7f1677e890e9 [ 40.034424][ T53] ? rcu_force_quiescent_state+0x180/0x180 [ 40.038601][ T452] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.038616][ T452] RSP: 002b:00007f1678f62168 EFLAGS: 00000246 [ 40.044103][ T53] ? ptrace_notify+0x350/0x350 [ 40.048789][ T452] ORIG_RAX: 0000000000000001 [ 40.048797][ T452] RAX: ffffffffffffffda RBX: 00007f1677f9c030 RCX: 00007f1677e890e9 [ 40.048809][ T452] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.053927][ T53] ? arch_do_signal_or_restart+0x8d/0x650 [ 40.058581][ T452] RBP: 00007f1678f621d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.058594][ T452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.058603][ T452] R13: 00007ffdb7ad9d6f R14: 00007f1678f62300 R15: 0000000000022000 [ 40.063327][ T53] ? get_sigframe_size+0x10/0x10 [ 40.068333][ T452] [ 40.411833][ T53] ? ____fput+0x15/0x20 [ 40.415984][ T53] ? exit_to_user_mode_loop+0x6a/0xd0 [ 40.421393][ T53] ? exit_to_user_mode_prepare+0x59/0x80 [ 40.427026][ T53] ? syscall_exit_to_user_mode+0x24/0x40 [ 40.429863][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 40.432699][ T53] ? do_syscall_64+0x3b/0x50 [ 40.441010][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 40.445578][ T53] ? entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 40.451385][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 40.457412][ T53] [ 40.463204][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 40.466192][ T53] ================================================================== [ 40.466199][ T53] BUG: KASAN: use-after-free in put_task_stack+0x2a/0x220 [ 40.471866][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 40.479886][ T53] Write of size 4 at addr ffff88810cea1bc0 by task kworker/0:2/53 [ 40.479901][ T53] [ 40.479906][ T53] CPU: 0 PID: 53 Comm: kworker/0:2 Tainted: G W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 40.486985][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 40.492665][ T53] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.492677][ T53] Workqueue: rcu_gp wait_rcu_exp_gp [ 40.500463][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 40.502752][ T53] [ 40.502758][ T53] Call Trace: [ 40.513785][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 40.522060][ T53] [ 40.522068][ T53] dump_stack_lvl+0x151/0x1b7 [ 40.532117][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 40.537284][ T53] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.542981][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 40.545276][ T53] ? _printk+0xcf/0x10f [ 40.549087][ T447] FAULT_INJECTION: forcing a failure. [ 40.549087][ T447] name failslab, interval 1, probability 0, space 0, times 0 [ 40.554404][ T53] print_report+0x15f/0x620 [ 40.554423][ T53] ? is_module_text_address+0xe1/0x140 [ 40.605841][ T53] ? kernel_text_address+0xa8/0xe0 [ 40.610959][ T53] ? put_task_stack+0x2a/0x220 [ 40.615710][ T53] kasan_report+0xe6/0x110 [ 40.620116][ T53] ? put_task_stack+0x2a/0x220 [ 40.624877][ T53] kasan_check_range+0x2aa/0x2e0 [ 40.629817][ T53] __kasan_check_write+0x14/0x20 [ 40.634743][ T53] put_task_stack+0x2a/0x220 [ 40.639329][ T53] sched_show_task+0x380/0x520 [ 40.644169][ T53] ? __ia32_sys_sched_rr_get_interval_time32+0x100/0x100 [ 40.651179][ T53] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 40.656978][ T53] dump_cpu_task+0x73/0x90 [ 40.661385][ T53] synchronize_rcu_expedited_wait+0xc17/0x1310 [ 40.667535][ T53] ? rcu_exp_handler+0x360/0x360 [ 40.672545][ T53] rcu_exp_sel_wait_wake+0x4c9/0x8a0 [ 40.677823][ T53] wait_rcu_exp_gp+0x33/0x40 [ 40.682488][ T53] process_one_work+0x6cb/0xbf0 [ 40.687329][ T53] worker_thread+0xb3c/0x1390 [ 40.691995][ T53] kthread+0x26b/0x300 [ 40.696049][ T53] ? worker_clr_flags+0x1a0/0x1a0 [ 40.701057][ T53] ? kthread_blkcg+0xd0/0xd0 [ 40.705633][ T53] ret_from_fork+0x1f/0x30 [ 40.710043][ T53] [ 40.713201][ T53] [ 40.715524][ T53] Allocated by task 453: [ 40.719741][ T53] __kasan_slab_alloc+0xb2/0xe0 [ 40.724569][ T53] kmem_cache_alloc+0x192/0x300 [ 40.729486][ T53] dup_task_struct+0x54/0x4a0 [ 40.734142][ T53] copy_process+0x582/0x34c0 [ 40.738711][ T53] kernel_clone+0x224/0x8d0 [ 40.743279][ T53] __x64_sys_clone+0x289/0x310 [ 40.748026][ T53] do_syscall_64+0x2f/0x50 [ 40.752425][ T53] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 40.758297][ T53] [ 40.760606][ T53] Freed by task 20: [ 40.764387][ T53] kasan_set_track+0x4c/0x70 [ 40.768963][ T53] kasan_set_free_info+0x23/0x40 [ 40.773881][ T53] ____kasan_slab_free+0x133/0x170 [ 40.778982][ T53] __kasan_slab_free+0x11/0x20 [ 40.783722][ T53] slab_free_freelist_hook+0xc9/0x1a0 [ 40.789076][ T53] kmem_cache_free+0x110/0x2d0 [ 40.793819][ T53] __put_task_struct+0x32b/0x4d0 [ 40.798738][ T53] delayed_put_task_struct+0x5c/0x180 [ 40.804090][ T53] rcu_do_batch+0x507/0xbc0 [ 40.808569][ T53] rcu_core+0x4dc/0xef0 [ 40.812793][ T53] rcu_core_si+0x9/0x10 [ 40.816932][ T53] __do_softirq+0x24e/0x586 [ 40.821415][ T53] [ 40.823721][ T53] Last potentially related work creation: [ 40.830018][ T53] kasan_save_stack+0x3b/0x60 [ 40.834676][ T53] __kasan_record_aux_stack+0xb3/0xc0 [ 40.840032][ T53] kasan_record_aux_stack_noalloc+0xb/0x10 [ 40.845818][ T53] call_rcu+0xf9/0x1390 [ 40.849952][ T53] put_task_struct_rcu_user+0x58/0xa0 [ 40.855318][ T53] finish_task_switch+0x34a/0x700 [ 40.860321][ T53] __schedule+0xb2a/0x1020 [ 40.864724][ T53] preempt_schedule_common+0xa7/0x100 [ 40.870075][ T53] preempt_schedule+0xd9/0xe0 [ 40.875250][ T53] preempt_schedule_thunk+0x16/0x18 [ 40.880515][ T53] on_each_cpu_cond_mask+0x78/0x80 [ 40.885605][ T53] text_poke_bp_batch+0x504/0x740 [ 40.890611][ T53] text_poke_finish+0x1a/0x30 [ 40.895271][ T53] arch_jump_label_transform_apply+0x15/0x30 [ 40.901241][ T53] __jump_label_update+0x37e/0x3a0 [ 40.906354][ T53] jump_label_update+0x3bc/0x450 [ 40.911300][ T53] static_key_enable_cpuslocked+0x12a/0x250 [ 40.917272][ T53] static_key_enable+0x1a/0x30 [ 40.922106][ T53] toggle_allocation_gate+0xbf/0x450 [ 40.927459][ T53] process_one_work+0x6cb/0xbf0 [ 40.932293][ T53] worker_thread+0xb3c/0x1390 [ 40.937037][ T53] kthread+0x26b/0x300 [ 40.941093][ T53] ret_from_fork+0x1f/0x30 [ 40.945489][ T53] [ 40.947793][ T53] Second to last potentially related work creation: [ 40.954438][ T53] kasan_save_stack+0x3b/0x60 [ 40.959096][ T53] __kasan_record_aux_stack+0xb3/0xc0 [ 40.964447][ T53] kasan_record_aux_stack_noalloc+0xb/0x10 [ 40.970238][ T53] call_rcu+0xf9/0x1390 [ 40.974466][ T53] put_task_struct_rcu_user+0x58/0xa0 [ 40.979823][ T53] finish_task_switch+0x34a/0x700 [ 40.984833][ T53] __schedule+0xb2a/0x1020 [ 40.989233][ T53] schedule_idle+0x50/0x90 [ 40.993638][ T53] do_idle+0x583/0x5e0 [ 40.997692][ T53] cpu_startup_entry+0x25/0x30 [ 41.002437][ T53] start_secondary+0xe3/0xf0 [ 41.007011][ T53] secondary_startup_64_no_verify+0xce/0xdb [ 41.012998][ T53] [ 41.015389][ T53] The buggy address belongs to the object at ffff88810cea10c0 [ 41.015389][ T53] which belongs to the cache task_struct of size 4032 [ 41.029508][ T53] The buggy address is located 2816 bytes inside of [ 41.029508][ T53] 4032-byte region [ffff88810cea10c0, ffff88810cea2080) [ 41.043029][ T53] [ 41.045335][ T53] The buggy address belongs to the physical page: [ 41.051723][ T53] page:ffffea000433a800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10cea0 [ 41.061937][ T53] head:ffffea000433a800 order:3 compound_mapcount:0 compound_pincount:0 [ 41.070328][ T53] flags: 0x8000000000010200(slab|head|zone=2) [ 41.076383][ T53] raw: 8000000000010200 ffffea00042a5000 dead000000000002 ffff888100132280 [ 41.084946][ T53] raw: 0000000000000000 0000000080070007 00000001ffffffff 0000000000000000 [ 41.093507][ T53] page dumped because: kasan: bad access detected [ 41.099894][ T53] page_owner tracks the page as allocated [ 41.105590][ T53] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2, tgid 2 (kthreadd), ts 2422520428, free_ts 0 [ 41.125371][ T53] post_alloc_hook+0x15b/0x160 [ 41.130118][ T53] get_page_from_freelist+0x3f6/0x8b0 [ 41.135483][ T53] __alloc_pages+0x3bd/0x850 [ 41.140053][ T53] allocate_slab+0x69/0x4d0 [ 41.144537][ T53] ___slab_alloc+0x2c2/0x6a0 [ 41.149192][ T53] __slab_alloc+0x4a/0x90 [ 41.153502][ T53] kmem_cache_alloc+0x20e/0x300 [ 41.158333][ T53] dup_task_struct+0x54/0x4a0 [ 41.162992][ T53] copy_process+0x582/0x34c0 [ 41.167649][ T53] kernel_clone+0x224/0x8d0 [ 41.172138][ T53] kernel_thread+0x167/0x1e0 [ 41.176735][ T53] kthreadd+0x38d/0x4e0 [ 41.180875][ T53] ret_from_fork+0x1f/0x30 [ 41.185273][ T53] page_owner free stack trace missing [ 41.190621][ T53] [ 41.192923][ T53] Memory state around the buggy address: [ 41.198530][ T53] ffff88810cea1a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 41.206569][ T53] ffff88810cea1b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 41.214696][ T53] >ffff88810cea1b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 41.222755][ T53] ^ [ 41.228883][ T53] ffff88810cea1c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 41.237211][ T53] ffff88810cea1c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 41.246898][ T53] ================================================================== [ 41.256077][ T447] CPU: 0 PID: 447 Comm: syz-executor.2 Tainted: G W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 41.267537][ T447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.277665][ T447] Call Trace: [ 41.281020][ T447] [ 41.283934][ T447] dump_stack_lvl+0x151/0x1b7 [ 41.288784][ T447] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.294229][ T447] ? selinux_kernfs_init_security+0x1a8/0x760 [ 41.300287][ T447] dump_stack+0x15/0x17 [ 41.304513][ T447] should_fail+0x3c0/0x510 [ 41.308912][ T447] ? __kernfs_new_node+0x99/0x6e0 [ 41.313945][ T447] __should_failslab+0x9f/0xe0 [ 41.318702][ T447] should_failslab+0x9/0x20 [ 41.323194][ T447] __kmalloc_track_caller+0x6c/0x340 [ 41.328474][ T447] kstrdup_const+0x55/0x90 [ 41.332890][ T447] __kernfs_new_node+0x99/0x6e0 [ 41.337737][ T447] ? stack_trace_save+0x1f0/0x1f0 [ 41.342764][ T447] ? kernfs_new_node+0x170/0x170 [ 41.347687][ T447] ? ptr_to_hashval+0x60/0x60 [ 41.352356][ T447] ? arch_stack_walk+0xf8/0x140 [ 41.357212][ T447] ? snprintf+0xd6/0x120 [ 41.361445][ T447] kernfs_new_node+0x97/0x170 [ 41.366114][ T447] __kernfs_create_file+0x4a/0x270 [ 41.371211][ T447] cgroup_addrm_files+0xab8/0xfe0 [ 41.376220][ T447] ? ____kasan_kmalloc+0xdc/0x110 [ 41.381223][ T447] ? __kasan_kmalloc+0x9/0x10 [ 41.385879][ T447] ? kmem_cache_alloc_trace+0x1f0/0x320 [ 41.391422][ T447] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 41.397641][ T447] ? delete_node+0x759/0x7b0 [ 41.402247][ T447] ? __kasan_check_read+0x11/0x20 [ 41.407276][ T447] ? delete_node+0x759/0x7b0 [ 41.411868][ T447] ? __kasan_check_write+0x14/0x20 [ 41.416972][ T447] ? __kthread_should_park+0xaa/0xe0 [ 41.422251][ T447] ? do_softirq+0x114/0x1c0 [ 41.426756][ T447] ? __local_bh_enable_ip+0x80/0x80 [ 41.432228][ T447] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 41.437256][ T447] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 41.442456][ T447] css_populate_dir+0x137/0x370 [ 41.447310][ T447] cgroup_apply_control_enable+0x889/0x10c0 [ 41.453205][ T447] cgroup_apply_control+0x93/0x710 [ 41.458307][ T447] ? css_next_child+0x160/0x160 [ 41.463145][ T447] ? wake_bit_function+0x230/0x230 [ 41.468246][ T447] ? kernfs_fop_write_iter+0x15b/0x410 [ 41.473689][ T447] ? __kasan_check_write+0x14/0x20 [ 41.478784][ T447] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 41.484052][ T447] cgroup_subtree_control_write+0xdde/0x1340 [ 41.490132][ T447] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.496104][ T447] ? __kasan_check_write+0x14/0x20 [ 41.501216][ T447] ? _copy_from_iter+0x360/0xed0 [ 41.506156][ T447] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.512136][ T447] cgroup_file_write+0x28e/0x590 [ 41.517106][ T447] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.522206][ T447] ? bit_wait_io_timeout+0x110/0x110 [ 41.527752][ T447] ? __kasan_check_write+0x14/0x20 [ 41.532936][ T447] kernfs_fop_write_iter+0x2cd/0x410 [ 41.538379][ T447] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.543479][ T447] vfs_write+0xbb4/0xf30 [ 41.547716][ T447] ? file_end_write+0x1b0/0x1b0 [ 41.552559][ T447] ? mutex_lock+0xb6/0x130 [ 41.556975][ T447] ? bit_wait_io_timeout+0x110/0x110 [ 41.562248][ T447] ? __fdget_pos+0x26d/0x310 [ 41.566830][ T447] ? ksys_write+0x77/0x2c0 [ 41.571583][ T447] ksys_write+0x198/0x2c0 [ 41.575899][ T447] ? __ia32_sys_read+0x90/0x90 [ 41.580821][ T447] ? debug_smp_processor_id+0x17/0x20 [ 41.586176][ T447] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 41.592230][ T447] __x64_sys_write+0x7b/0x90 [ 41.596810][ T447] do_syscall_64+0x2f/0x50 [ 41.601213][ T447] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 41.607468][ T447] RIP: 0033:0x7ff671a890e9 [ 41.611868][ T447] 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 [ 41.631461][ T447] RSP: 002b:00007ff672b52168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.639861][ T447] RAX: ffffffffffffffda RBX: 00007ff671b9bf60 RCX: 00007ff671a890e9 [ 41.647990][ T447] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.655941][ T447] RBP: 00007ff672b521d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.663898][ T447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.672115][ T447] R13: 00007ffc298296ef R14: 00007ff672b52300 R15: 0000000000022000 [ 41.680073][ T447] [ 41.685892][ T53] Disabling lock debugging due to kernel taint [ 41.693703][ T447] cgroup: cgroup_addrm_files: failed to add max, err=-12 2022/05/26 10:02:20 executed programs: 9 [ 41.712273][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.721892][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.730957][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.738797][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.746818][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.750016][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 41.755258][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.763126][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 41.763147][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 41.763158][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 41.763164][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 41.763176][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 41.763186][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 41.763196][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 41.763204][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 41.763210][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 41.763218][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 41.772144][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.776915][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 41.776935][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 41.776951][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 41.783264][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.788365][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 41.872710][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.881195][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.916342][ T450] FAULT_INJECTION: forcing a failure. [ 41.916342][ T450] name failslab, interval 1, probability 0, space 0, times 0 [ 41.929389][ T450] CPU: 1 PID: 450 Comm: syz-executor.4 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 41.941142][ T450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.951372][ T450] Call Trace: [ 41.954635][ T450] [ 41.957550][ T450] dump_stack_lvl+0x151/0x1b7 [ 41.962213][ T450] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.967662][ T450] ? selinux_kernfs_init_security+0x1a8/0x760 [ 41.973711][ T450] dump_stack+0x15/0x17 [ 41.977848][ T450] should_fail+0x3c0/0x510 [ 41.982238][ T450] ? __kernfs_new_node+0x99/0x6e0 [ 41.987241][ T450] __should_failslab+0x9f/0xe0 [ 41.991998][ T450] should_failslab+0x9/0x20 [ 41.996489][ T450] __kmalloc_track_caller+0x6c/0x340 [ 42.001844][ T450] kstrdup_const+0x55/0x90 [ 42.006433][ T450] __kernfs_new_node+0x99/0x6e0 [ 42.011371][ T450] ? stack_trace_save+0x1f0/0x1f0 [ 42.016384][ T450] ? kernfs_new_node+0x170/0x170 [ 42.021301][ T450] ? ptr_to_hashval+0x60/0x60 [ 42.025956][ T450] ? arch_stack_walk+0xf8/0x140 [ 42.030792][ T450] ? snprintf+0xd6/0x120 [ 42.035186][ T450] kernfs_new_node+0x97/0x170 [ 42.039852][ T450] __kernfs_create_file+0x4a/0x270 [ 42.044951][ T450] cgroup_addrm_files+0xab8/0xfe0 [ 42.049960][ T450] ? ____kasan_kmalloc+0xdc/0x110 [ 42.054963][ T450] ? __kasan_kmalloc+0x9/0x10 [ 42.059631][ T450] ? kmem_cache_alloc_trace+0x1f0/0x320 [ 42.065156][ T450] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 42.071291][ T450] ? delete_node+0x759/0x7b0 [ 42.075873][ T450] ? __kasan_check_read+0x11/0x20 [ 42.080978][ T450] ? delete_node+0x759/0x7b0 [ 42.085548][ T450] ? __kasan_check_write+0x14/0x20 [ 42.090637][ T450] ? idr_replace+0x1c4/0x230 [ 42.095201][ T450] ? idr_get_next+0x4b0/0x4b0 [ 42.099955][ T450] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 42.104958][ T450] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 42.110154][ T450] css_populate_dir+0x137/0x370 [ 42.114983][ T450] cgroup_apply_control_enable+0x889/0x10c0 [ 42.120857][ T450] cgroup_apply_control+0x93/0x710 [ 42.125946][ T450] ? css_next_child+0x160/0x160 [ 42.130858][ T450] ? wake_bit_function+0x230/0x230 [ 42.135953][ T450] ? kernfs_fop_write_iter+0x15b/0x410 [ 42.141431][ T450] ? __kasan_check_write+0x14/0x20 [ 42.146522][ T450] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 42.151783][ T450] cgroup_subtree_control_write+0xdde/0x1340 [ 42.157745][ T450] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.163705][ T450] ? __kasan_check_write+0x14/0x20 [ 42.168801][ T450] ? _copy_from_iter+0x360/0xed0 [ 42.173720][ T450] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.179683][ T450] cgroup_file_write+0x28e/0x590 [ 42.184694][ T450] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.189783][ T450] ? bit_wait_io_timeout+0x110/0x110 [ 42.195046][ T450] ? __kasan_check_write+0x14/0x20 [ 42.200146][ T450] kernfs_fop_write_iter+0x2cd/0x410 [ 42.205414][ T450] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.210516][ T450] vfs_write+0xbb4/0xf30 [ 42.214744][ T450] ? file_end_write+0x1b0/0x1b0 [ 42.219572][ T450] ? mutex_lock+0xec/0x130 [ 42.223965][ T450] ? bit_wait_io_timeout+0x110/0x110 [ 42.229232][ T450] ? __fdget_pos+0x26d/0x310 [ 42.233802][ T450] ? ksys_write+0x77/0x2c0 [ 42.238204][ T450] ksys_write+0x198/0x2c0 [ 42.242512][ T450] ? __ia32_sys_read+0x90/0x90 [ 42.247259][ T450] ? debug_smp_processor_id+0x17/0x20 [ 42.252607][ T450] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 42.258757][ T450] __x64_sys_write+0x7b/0x90 [ 42.263356][ T450] do_syscall_64+0x2f/0x50 [ 42.267847][ T450] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 42.273725][ T450] RIP: 0033:0x7f2118e890e9 [ 42.278120][ T450] 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 [ 42.297705][ T450] RSP: 002b:00007f2118dff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.306105][ T450] RAX: ffffffffffffffda RBX: 00007f2118f9c030 RCX: 00007f2118e890e9 [ 42.314061][ T450] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.322012][ T450] RBP: 00007f2118dff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.329963][ T450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.337925][ T450] R13: 00007fff552aebcf R14: 00007f2118dff300 R15: 0000000000022000 [ 42.345886][ T450] [ 42.353241][ T450] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.389794][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 42.398103][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 42.403847][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 42.409638][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 42.415303][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 42.421038][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 42.429372][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 42.435237][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 42.441063][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 42.446676][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 42.452414][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 42.460834][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 42.466555][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 42.472376][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 42.477991][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 42.484828][ T487] FAULT_INJECTION: forcing a failure. [ 42.484828][ T487] name failslab, interval 1, probability 0, space 0, times 0 [ 42.497742][ T487] CPU: 1 PID: 487 Comm: syz-executor.1 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 42.509091][ T487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.519130][ T487] Call Trace: [ 42.522402][ T487] [ 42.525329][ T487] dump_stack_lvl+0x151/0x1b7 [ 42.530170][ T487] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.535611][ T487] ? selinux_kernfs_init_security+0x1a8/0x760 [ 42.541661][ T487] dump_stack+0x15/0x17 [ 42.545798][ T487] should_fail+0x3c0/0x510 [ 42.550201][ T487] ? __kernfs_new_node+0x99/0x6e0 [ 42.555208][ T487] __should_failslab+0x9f/0xe0 [ 42.559955][ T487] should_failslab+0x9/0x20 [ 42.564456][ T487] __kmalloc_track_caller+0x6c/0x340 [ 42.569719][ T487] kstrdup_const+0x55/0x90 [ 42.574125][ T487] __kernfs_new_node+0x99/0x6e0 [ 42.578959][ T487] ? stack_trace_save+0x1f0/0x1f0 [ 42.583959][ T487] ? kernfs_new_node+0x170/0x170 [ 42.588875][ T487] ? ptr_to_hashval+0x60/0x60 [ 42.593659][ T487] ? arch_stack_walk+0xf8/0x140 [ 42.598496][ T487] ? snprintf+0xd6/0x120 [ 42.602723][ T487] kernfs_new_node+0x97/0x170 [ 42.607389][ T487] __kernfs_create_file+0x4a/0x270 [ 42.612482][ T487] cgroup_addrm_files+0xab8/0xfe0 [ 42.617490][ T487] ? ____kasan_kmalloc+0xdc/0x110 [ 42.622492][ T487] ? __kasan_kmalloc+0x9/0x10 [ 42.627144][ T487] ? kmem_cache_alloc_trace+0x1f0/0x320 [ 42.632670][ T487] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 42.638819][ T487] ? delete_node+0x759/0x7b0 [ 42.643391][ T487] ? __kasan_check_read+0x11/0x20 [ 42.648393][ T487] ? delete_node+0x759/0x7b0 [ 42.652959][ T487] ? __kasan_check_write+0x14/0x20 [ 42.658051][ T487] ? idr_replace+0x1c4/0x230 [ 42.662617][ T487] ? idr_get_next+0x4b0/0x4b0 [ 42.667270][ T487] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 42.672358][ T487] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 42.677532][ T487] css_populate_dir+0x137/0x370 [ 42.682361][ T487] cgroup_apply_control_enable+0x889/0x10c0 [ 42.688238][ T487] cgroup_apply_control+0x93/0x710 [ 42.693330][ T487] ? css_next_child+0x160/0x160 [ 42.698157][ T487] ? wake_bit_function+0x230/0x230 [ 42.703348][ T487] ? kernfs_fop_write_iter+0x15b/0x410 [ 42.708782][ T487] ? __kasan_check_write+0x14/0x20 [ 42.713870][ T487] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 42.719136][ T487] cgroup_subtree_control_write+0xdde/0x1340 [ 42.725365][ T487] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.731342][ T487] ? __kasan_check_write+0x14/0x20 [ 42.736435][ T487] ? _copy_from_iter+0x360/0xed0 [ 42.741351][ T487] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.747310][ T487] cgroup_file_write+0x28e/0x590 [ 42.752230][ T487] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.757319][ T487] ? bit_wait_io_timeout+0x110/0x110 [ 42.762585][ T487] ? __kasan_check_write+0x14/0x20 [ 42.767684][ T487] kernfs_fop_write_iter+0x2cd/0x410 [ 42.772966][ T487] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.778091][ T487] vfs_write+0xbb4/0xf30 [ 42.782316][ T487] ? file_end_write+0x1b0/0x1b0 [ 42.787146][ T487] ? mutex_lock+0xec/0x130 [ 42.791545][ T487] ? bit_wait_io_timeout+0x110/0x110 [ 42.796812][ T487] ? __fdget_pos+0x26d/0x310 [ 42.801391][ T487] ? ksys_write+0x77/0x2c0 [ 42.805877][ T487] ksys_write+0x198/0x2c0 [ 42.810206][ T487] ? __ia32_sys_read+0x90/0x90 [ 42.814963][ T487] ? debug_smp_processor_id+0x17/0x20 [ 42.820407][ T487] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 42.826463][ T487] __x64_sys_write+0x7b/0x90 [ 42.831129][ T487] do_syscall_64+0x2f/0x50 [ 42.835524][ T487] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 42.841399][ T487] RIP: 0033:0x7efcc2e890e9 [ 42.845795][ 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 [ 42.865379][ T487] RSP: 002b:00007efcc402b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.873779][ T487] RAX: ffffffffffffffda RBX: 00007efcc2f9c030 RCX: 00007efcc2e890e9 [ 42.881740][ T487] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.889713][ T487] RBP: 00007efcc402b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.897678][ T487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.905643][ T487] R13: 00007ffde40d435f R14: 00007efcc402b300 R15: 0000000000022000 [ 42.913612][ T487] [ 42.919309][ T487] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.922643][ T25] audit: type=1400 audit(1653559342.100:158): avc: denied { remove_name } for pid=148 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 [ 42.949028][ T25] audit: type=1400 audit(1653559342.100:159): avc: denied { rename } for pid=148 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 [ 42.950352][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 42.971351][ T25] audit: type=1400 audit(1653559342.100:160): avc: denied { create } for pid=148 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 42.979368][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 43.006130][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 43.011951][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 43.017561][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 43.023282][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 43.032053][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 43.037758][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 43.043556][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 43.049161][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 43.054870][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 43.063098][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 43.068850][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 43.074664][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 43.080416][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 43.086392][ T490] FAULT_INJECTION: forcing a failure. [ 43.086392][ T490] name failslab, interval 1, probability 0, space 0, times 0 [ 43.099004][ T490] CPU: 1 PID: 490 Comm: syz-executor.3 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 43.110367][ T490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.120414][ T490] Call Trace: [ 43.123680][ T490] [ 43.126592][ T490] dump_stack_lvl+0x151/0x1b7 [ 43.131268][ T490] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.136708][ T490] ? pcpu_alloc+0xe83/0x1420 [ 43.141285][ T490] dump_stack+0x15/0x17 [ 43.145426][ T490] should_fail+0x3c0/0x510 [ 43.150040][ T490] ? percpu_ref_init+0xc9/0x370 [ 43.154899][ T490] __should_failslab+0x9f/0xe0 [ 43.159742][ T490] should_failslab+0x9/0x20 [ 43.164243][ T490] kmem_cache_alloc_trace+0x4a/0x320 [ 43.169516][ T490] ? cgroup_setup_root+0xec0/0xec0 [ 43.174615][ T490] percpu_ref_init+0xc9/0x370 [ 43.179307][ T490] ? cgroup_setup_root+0xec0/0xec0 [ 43.184405][ T490] cgroup_apply_control_enable+0x383/0x10c0 [ 43.190307][ T490] cgroup_apply_control+0x93/0x710 [ 43.195536][ T490] ? css_next_child+0x160/0x160 [ 43.200368][ T490] ? wake_bit_function+0x230/0x230 [ 43.205467][ T490] ? kernfs_fop_write_iter+0x15b/0x410 [ 43.210923][ T490] ? __kasan_check_write+0x14/0x20 [ 43.216023][ T490] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.221329][ T490] cgroup_subtree_control_write+0xdde/0x1340 [ 43.227302][ T490] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.233281][ T490] ? __kasan_check_write+0x14/0x20 [ 43.238384][ T490] ? _copy_from_iter+0x360/0xed0 [ 43.243308][ T490] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.249272][ T490] cgroup_file_write+0x28e/0x590 [ 43.254190][ T490] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.259284][ T490] ? bit_wait_io_timeout+0x110/0x110 [ 43.264659][ T490] ? __kasan_check_write+0x14/0x20 [ 43.269758][ T490] kernfs_fop_write_iter+0x2cd/0x410 [ 43.275021][ T490] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.280112][ T490] vfs_write+0xbb4/0xf30 [ 43.284347][ T490] ? file_end_write+0x1b0/0x1b0 [ 43.289174][ T490] ? mutex_lock+0xec/0x130 [ 43.293568][ T490] ? bit_wait_io_timeout+0x110/0x110 [ 43.298832][ T490] ? __fdget_pos+0x26d/0x310 [ 43.303407][ T490] ? ksys_write+0x77/0x2c0 [ 43.307874][ T490] ksys_write+0x198/0x2c0 [ 43.312189][ T490] ? __ia32_sys_read+0x90/0x90 [ 43.316934][ T490] ? debug_smp_processor_id+0x17/0x20 [ 43.322281][ T490] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 43.328356][ T490] __x64_sys_write+0x7b/0x90 [ 43.332925][ T490] do_syscall_64+0x2f/0x50 [ 43.337322][ T490] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 43.343193][ T490] RIP: 0033:0x7f1677e890e9 [ 43.347584][ 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 [ 43.367176][ T490] RSP: 002b:00007f1678f62168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.375575][ T490] RAX: ffffffffffffffda RBX: 00007f1677f9c030 RCX: 00007f1677e890e9 [ 43.383527][ T490] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.391478][ T490] RBP: 00007f1678f621d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.399437][ T490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.407395][ T490] R13: 00007ffdb7ad9d6f R14: 00007f1678f62300 R15: 0000000000022000 [ 43.415355][ T490] [ 43.479839][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 43.488299][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 43.494051][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 43.499989][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 43.505609][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 43.511352][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 43.519579][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 43.525332][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 43.531155][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 43.536828][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 43.543115][ T486] FAULT_INJECTION: forcing a failure. [ 43.543115][ T486] name failslab, interval 1, probability 0, space 0, times 0 [ 43.556284][ T486] CPU: 0 PID: 486 Comm: syz-executor.4 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 43.567637][ T486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.577818][ T486] Call Trace: [ 43.581078][ T486] [ 43.584000][ T486] dump_stack_lvl+0x151/0x1b7 [ 43.588670][ T486] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.594117][ T486] dump_stack+0x15/0x17 [ 43.598255][ T486] should_fail+0x3c0/0x510 [ 43.602648][ T486] ? pids_css_alloc+0x4e/0x120 [ 43.607461][ T486] __should_failslab+0x9f/0xe0 [ 43.612304][ T486] should_failslab+0x9/0x20 [ 43.616793][ T486] kmem_cache_alloc_trace+0x4a/0x320 [ 43.622079][ T486] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 43.627345][ T486] pids_css_alloc+0x4e/0x120 [ 43.631920][ T486] cgroup_apply_control_enable+0x335/0x10c0 [ 43.637792][ T486] cgroup_apply_control+0x93/0x710 [ 43.642885][ T486] ? css_next_child+0x160/0x160 [ 43.647713][ T486] ? wake_bit_function+0x230/0x230 [ 43.652803][ T486] ? kernfs_fop_write_iter+0x15b/0x410 [ 43.658236][ T486] ? __kasan_check_write+0x14/0x20 [ 43.663325][ T486] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.668586][ T486] cgroup_subtree_control_write+0xdde/0x1340 [ 43.674543][ T486] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.680501][ T486] ? __kasan_check_write+0x14/0x20 [ 43.685589][ T486] ? _copy_from_iter+0x360/0xed0 [ 43.690504][ T486] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.696717][ T486] cgroup_file_write+0x28e/0x590 [ 43.701716][ T486] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.706847][ T486] ? bit_wait_io_timeout+0x110/0x110 [ 43.712111][ T486] ? __kasan_check_write+0x14/0x20 [ 43.717198][ T486] kernfs_fop_write_iter+0x2cd/0x410 [ 43.722461][ T486] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.727553][ T486] vfs_write+0xbb4/0xf30 [ 43.731778][ T486] ? file_end_write+0x1b0/0x1b0 [ 43.736605][ T486] ? mutex_lock+0xec/0x130 [ 43.740998][ T486] ? bit_wait_io_timeout+0x110/0x110 [ 43.746261][ T486] ? __fdget_pos+0x26d/0x310 [ 43.750825][ T486] ? ksys_write+0x77/0x2c0 [ 43.755220][ T486] ksys_write+0x198/0x2c0 [ 43.759523][ T486] ? __ia32_sys_read+0x90/0x90 [ 43.764262][ T486] ? debug_smp_processor_id+0x17/0x20 [ 43.769606][ T486] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 43.775654][ T486] __x64_sys_write+0x7b/0x90 [ 43.780320][ T486] do_syscall_64+0x2f/0x50 [ 43.784726][ T486] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 43.790632][ T486] RIP: 0033:0x7f2118e890e9 [ 43.795031][ T486] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.814627][ T486] RSP: 002b:00007f2118dff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.823222][ T486] RAX: ffffffffffffffda RBX: 00007f2118f9c030 RCX: 00007f2118e890e9 [ 43.831174][ T486] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.839142][ T486] RBP: 00007f2118dff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.847188][ T486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.855148][ T486] R13: 00007fff552aebcf R14: 00007f2118dff300 R15: 0000000000022000 [ 43.863111][ T486] [ 43.909788][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 43.918060][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 43.923805][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 43.929606][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 43.935241][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 43.940993][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 43.949227][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 43.954955][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 43.960778][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 43.966404][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 43.973072][ T489] FAULT_INJECTION: forcing a failure. [ 43.973072][ T489] name failslab, interval 1, probability 0, space 0, times 0 [ 43.985833][ T489] CPU: 1 PID: 489 Comm: syz-executor.2 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 43.997378][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.007422][ T489] Call Trace: [ 44.010692][ T489] [ 44.013612][ T489] dump_stack_lvl+0x151/0x1b7 [ 44.018272][ T489] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.023735][ T489] ? pcpu_alloc+0xe83/0x1420 [ 44.028306][ T489] dump_stack+0x15/0x17 [ 44.032442][ T489] should_fail+0x3c0/0x510 [ 44.036835][ T489] ? percpu_ref_init+0xc9/0x370 [ 44.041661][ T489] __should_failslab+0x9f/0xe0 [ 44.046406][ T489] should_failslab+0x9/0x20 [ 44.050889][ T489] kmem_cache_alloc_trace+0x4a/0x320 [ 44.056194][ T489] ? cgroup_setup_root+0xec0/0xec0 [ 44.061310][ T489] percpu_ref_init+0xc9/0x370 [ 44.065982][ T489] ? cgroup_setup_root+0xec0/0xec0 [ 44.071070][ T489] cgroup_apply_control_enable+0x383/0x10c0 [ 44.076938][ T489] cgroup_apply_control+0x93/0x710 [ 44.082029][ T489] ? css_next_child+0x160/0x160 [ 44.086866][ T489] ? wake_bit_function+0x230/0x230 [ 44.091965][ T489] ? kernfs_fop_write_iter+0x15b/0x410 [ 44.097406][ T489] ? __kasan_check_write+0x14/0x20 [ 44.102498][ T489] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.107764][ T489] cgroup_subtree_control_write+0xdde/0x1340 [ 44.113734][ T489] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.119693][ T489] ? __kasan_check_write+0x14/0x20 [ 44.124790][ T489] ? _copy_from_iter+0x360/0xed0 [ 44.129714][ T489] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.135685][ T489] cgroup_file_write+0x28e/0x590 [ 44.140694][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.145790][ T489] ? bit_wait_io_timeout+0x110/0x110 [ 44.151077][ T489] ? __kasan_check_write+0x14/0x20 [ 44.156257][ T489] kernfs_fop_write_iter+0x2cd/0x410 [ 44.161547][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.166677][ T489] vfs_write+0xbb4/0xf30 [ 44.170908][ T489] ? file_end_write+0x1b0/0x1b0 [ 44.175738][ T489] ? mutex_lock+0xec/0x130 [ 44.180129][ T489] ? bit_wait_io_timeout+0x110/0x110 [ 44.185389][ T489] ? __fdget_pos+0x26d/0x310 [ 44.189963][ T489] ? ksys_write+0x77/0x2c0 [ 44.194456][ T489] ksys_write+0x198/0x2c0 [ 44.198773][ T489] ? __ia32_sys_read+0x90/0x90 [ 44.203662][ T489] ? debug_smp_processor_id+0x17/0x20 [ 44.209135][ T489] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 44.215187][ T489] __x64_sys_write+0x7b/0x90 [ 44.219762][ T489] do_syscall_64+0x2f/0x50 [ 44.224158][ T489] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 44.230036][ T489] RIP: 0033:0x7ff671a890e9 [ 44.234428][ 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 [ 44.254166][ T489] RSP: 002b:00007ff672b31168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.262573][ T489] RAX: ffffffffffffffda RBX: 00007ff671b9c030 RCX: 00007ff671a890e9 [ 44.270531][ T489] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.278487][ T489] RBP: 00007ff672b311d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.286439][ T489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.294389][ T489] R13: 00007ffc298296ef R14: 00007ff672b31300 R15: 0000000000022000 [ 44.302343][ T489] [ 44.339766][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 44.348047][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 44.353783][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 44.359581][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 44.365239][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 44.370974][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 44.379190][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 44.384918][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 44.390732][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 44.396356][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 44.402408][ T502] FAULT_INJECTION: forcing a failure. [ 44.402408][ T502] name failslab, interval 1, probability 0, space 0, times 0 [ 44.415144][ T502] CPU: 0 PID: 502 Comm: syz-executor.2 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 44.426510][ T502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.436542][ T502] Call Trace: [ 44.439810][ T502] [ 44.442743][ T502] dump_stack_lvl+0x151/0x1b7 [ 44.447410][ T502] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.452851][ T502] ? pcpu_alloc+0xe83/0x1420 [ 44.457455][ T502] dump_stack+0x15/0x17 [ 44.461595][ T502] should_fail+0x3c0/0x510 [ 44.465995][ T502] ? percpu_ref_init+0xc9/0x370 [ 44.470915][ T502] __should_failslab+0x9f/0xe0 [ 44.475676][ T502] should_failslab+0x9/0x20 [ 44.480250][ T502] kmem_cache_alloc_trace+0x4a/0x320 [ 44.485536][ T502] ? cgroup_setup_root+0xec0/0xec0 [ 44.490629][ T502] percpu_ref_init+0xc9/0x370 [ 44.495285][ T502] ? cgroup_setup_root+0xec0/0xec0 [ 44.500372][ T502] cgroup_apply_control_enable+0x383/0x10c0 [ 44.506245][ T502] cgroup_apply_control+0x93/0x710 [ 44.511341][ T502] ? css_next_child+0x160/0x160 [ 44.516170][ T502] ? wake_bit_function+0x230/0x230 [ 44.521256][ T502] ? kernfs_fop_write_iter+0x15b/0x410 [ 44.526689][ T502] ? __kasan_check_write+0x14/0x20 [ 44.531775][ T502] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.537035][ T502] cgroup_subtree_control_write+0xdde/0x1340 [ 44.542995][ T502] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.548952][ T502] ? __kasan_check_write+0x14/0x20 [ 44.554041][ T502] ? _copy_from_iter+0x360/0xed0 [ 44.559045][ T502] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.565009][ T502] cgroup_file_write+0x28e/0x590 [ 44.569933][ T502] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.575019][ T502] ? bit_wait_io_timeout+0x110/0x110 [ 44.580369][ T502] ? __kasan_check_write+0x14/0x20 [ 44.585470][ T502] kernfs_fop_write_iter+0x2cd/0x410 [ 44.590733][ T502] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.595819][ T502] vfs_write+0xbb4/0xf30 [ 44.600040][ T502] ? file_end_write+0x1b0/0x1b0 [ 44.604867][ T502] ? mutex_lock+0xec/0x130 [ 44.609259][ T502] ? bit_wait_io_timeout+0x110/0x110 [ 44.614523][ T502] ? __fdget_pos+0x26d/0x310 [ 44.619086][ T502] ? ksys_write+0x77/0x2c0 [ 44.623540][ T502] ksys_write+0x198/0x2c0 [ 44.627849][ T502] ? __ia32_sys_read+0x90/0x90 [ 44.632589][ T502] ? debug_smp_processor_id+0x17/0x20 [ 44.637937][ T502] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 44.643979][ T502] __x64_sys_write+0x7b/0x90 [ 44.648554][ T502] do_syscall_64+0x2f/0x50 [ 44.652964][ T502] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 44.658845][ T502] RIP: 0033:0x7ff671a890e9 [ 44.663257][ T502] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.682873][ T502] RSP: 002b:00007ff672b31168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.691268][ T502] RAX: ffffffffffffffda RBX: 00007ff671b9c030 RCX: 00007ff671a890e9 [ 44.699220][ T502] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.707265][ T502] RBP: 00007ff672b311d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.715212][ T502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.723252][ T502] R13: 00007ffc298296ef R14: 00007ff672b31300 R15: 0000000000022000 [ 44.731204][ T502] [ 44.779793][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 44.788069][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 44.793809][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 44.799699][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 44.805352][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 44.811080][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 44.819310][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 44.825049][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 44.830885][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 44.836508][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 44.842736][ T499] FAULT_INJECTION: forcing a failure. [ 44.842736][ T499] name failslab, interval 1, probability 0, space 0, times 0 [ 44.855545][ T499] CPU: 0 PID: 499 Comm: syz-executor.4 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 44.866891][ T499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.876926][ T499] Call Trace: [ 44.880275][ T499] [ 44.883191][ T499] dump_stack_lvl+0x151/0x1b7 [ 44.887852][ T499] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.893291][ T499] ? pcpu_alloc+0xe83/0x1420 [ 44.897869][ T499] dump_stack+0x15/0x17 [ 44.902088][ T499] should_fail+0x3c0/0x510 [ 44.906479][ T499] ? percpu_ref_init+0xc9/0x370 [ 44.911323][ T499] __should_failslab+0x9f/0xe0 [ 44.916062][ T499] should_failslab+0x9/0x20 [ 44.920540][ T499] kmem_cache_alloc_trace+0x4a/0x320 [ 44.925805][ T499] ? cgroup_setup_root+0xec0/0xec0 [ 44.930895][ T499] percpu_ref_init+0xc9/0x370 [ 44.935548][ T499] ? cgroup_setup_root+0xec0/0xec0 [ 44.940635][ T499] cgroup_apply_control_enable+0x383/0x10c0 [ 44.946502][ T499] cgroup_apply_control+0x93/0x710 [ 44.951587][ T499] ? css_next_child+0x160/0x160 [ 44.956412][ T499] ? wake_bit_function+0x230/0x230 [ 44.961499][ T499] ? kernfs_fop_write_iter+0x15b/0x410 [ 44.967020][ T499] ? __kasan_check_write+0x14/0x20 [ 44.972105][ T499] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.977369][ T499] cgroup_subtree_control_write+0xdde/0x1340 [ 44.983326][ T499] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.989282][ T499] ? __kasan_check_write+0x14/0x20 [ 44.994369][ T499] ? _copy_from_iter+0x360/0xed0 [ 44.999284][ T499] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.005257][ T499] cgroup_file_write+0x28e/0x590 [ 45.010718][ T499] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.015812][ T499] ? bit_wait_io_timeout+0x110/0x110 [ 45.021102][ T499] ? __kasan_check_write+0x14/0x20 [ 45.026194][ T499] kernfs_fop_write_iter+0x2cd/0x410 [ 45.031459][ T499] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.036547][ T499] vfs_write+0xbb4/0xf30 [ 45.040772][ T499] ? file_end_write+0x1b0/0x1b0 [ 45.045595][ T499] ? mutex_lock+0xec/0x130 [ 45.049994][ T499] ? bit_wait_io_timeout+0x110/0x110 [ 45.055284][ T499] ? __fdget_pos+0x26d/0x310 [ 45.060024][ T499] ? ksys_write+0x77/0x2c0 [ 45.064421][ T499] ksys_write+0x198/0x2c0 [ 45.068734][ T499] ? __ia32_sys_read+0x90/0x90 [ 45.073484][ T499] ? debug_smp_processor_id+0x17/0x20 [ 45.078842][ T499] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 45.084986][ T499] __x64_sys_write+0x7b/0x90 [ 45.089560][ T499] do_syscall_64+0x2f/0x50 [ 45.094053][ T499] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 45.099928][ T499] RIP: 0033:0x7f2118e890e9 [ 45.104324][ T499] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.124036][ T499] RSP: 002b:00007f2118dff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.132525][ T499] RAX: ffffffffffffffda RBX: 00007f2118f9c030 RCX: 00007f2118e890e9 [ 45.140602][ T499] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.148556][ T499] RBP: 00007f2118dff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.156509][ T499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.169847][ T499] R13: 00007fff552aebcf R14: 00007f2118dff300 R15: 0000000000022000 [ 45.177813][ T499] [ 45.239787][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 45.248047][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 45.253795][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 45.259600][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 45.265242][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 45.270978][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 45.279197][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 45.284924][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 45.290827][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 45.296428][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 45.302628][ T496] FAULT_INJECTION: forcing a failure. [ 45.302628][ T496] name failslab, interval 1, probability 0, space 0, times 0 [ 45.315445][ T496] CPU: 0 PID: 496 Comm: syz-executor.3 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 45.326804][ T496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.336844][ T496] Call Trace: [ 45.340545][ T496] [ 45.343454][ T496] dump_stack_lvl+0x151/0x1b7 [ 45.348110][ T496] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.353547][ T496] ? pcpu_alloc+0xe83/0x1420 [ 45.358121][ T496] dump_stack+0x15/0x17 [ 45.362264][ T496] should_fail+0x3c0/0x510 [ 45.366655][ T496] ? percpu_ref_init+0xc9/0x370 [ 45.371492][ T496] __should_failslab+0x9f/0xe0 [ 45.376250][ T496] should_failslab+0x9/0x20 [ 45.380730][ T496] kmem_cache_alloc_trace+0x4a/0x320 [ 45.385994][ T496] ? cgroup_setup_root+0xec0/0xec0 [ 45.391170][ T496] percpu_ref_init+0xc9/0x370 [ 45.395918][ T496] ? cgroup_setup_root+0xec0/0xec0 [ 45.401005][ T496] cgroup_apply_control_enable+0x383/0x10c0 [ 45.406880][ T496] cgroup_apply_control+0x93/0x710 [ 45.411970][ T496] ? css_next_child+0x160/0x160 [ 45.416793][ T496] ? wake_bit_function+0x230/0x230 [ 45.421966][ T496] ? kernfs_fop_write_iter+0x15b/0x410 [ 45.427397][ T496] ? __kasan_check_write+0x14/0x20 [ 45.432485][ T496] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.437788][ T496] cgroup_subtree_control_write+0xdde/0x1340 [ 45.443742][ T496] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.449788][ T496] ? __kasan_check_write+0x14/0x20 [ 45.454963][ T496] ? _copy_from_iter+0x360/0xed0 [ 45.459965][ T496] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.465939][ T496] cgroup_file_write+0x28e/0x590 [ 45.470853][ T496] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.475938][ T496] ? bit_wait_io_timeout+0x110/0x110 [ 45.481213][ T496] ? __kasan_check_write+0x14/0x20 [ 45.486303][ T496] kernfs_fop_write_iter+0x2cd/0x410 [ 45.491565][ T496] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.496683][ T496] vfs_write+0xbb4/0xf30 [ 45.500900][ T496] ? file_end_write+0x1b0/0x1b0 [ 45.505728][ T496] ? mutex_lock+0xec/0x130 [ 45.510134][ T496] ? bit_wait_io_timeout+0x110/0x110 [ 45.515397][ T496] ? __fdget_pos+0x26d/0x310 [ 45.519962][ T496] ? ksys_write+0x77/0x2c0 [ 45.524358][ T496] ksys_write+0x198/0x2c0 [ 45.528666][ T496] ? __ia32_sys_read+0x90/0x90 [ 45.533412][ T496] ? debug_smp_processor_id+0x17/0x20 [ 45.538759][ T496] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 45.544799][ T496] __x64_sys_write+0x7b/0x90 [ 45.549367][ T496] do_syscall_64+0x2f/0x50 [ 45.553763][ T496] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 45.559632][ T496] RIP: 0033:0x7f1677e890e9 [ 45.564023][ 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 [ 45.583959][ T496] RSP: 002b:00007f1678f62168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.592351][ T496] RAX: ffffffffffffffda RBX: 00007f1677f9c030 RCX: 00007f1677e890e9 [ 45.600305][ T496] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.608256][ T496] RBP: 00007f1678f621d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.616214][ T496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.624164][ T496] R13: 00007ffdb7ad9d6f R14: 00007f1678f62300 R15: 0000000000022000 [ 45.632117][ T496] [ 45.699848][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 45.708114][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 45.713839][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 45.719629][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 45.725269][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 45.731002][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 45.739215][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 45.744940][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 45.750754][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 45.756358][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 45.762850][ T493] FAULT_INJECTION: forcing a failure. [ 45.762850][ T493] name failslab, interval 1, probability 0, space 0, times 0 [ 45.775839][ T493] CPU: 0 PID: 493 Comm: syz-executor.1 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 45.787191][ T493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.797225][ T493] Call Trace: [ 45.800495][ T493] [ 45.803406][ T493] dump_stack_lvl+0x151/0x1b7 [ 45.808067][ T493] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.813502][ T493] ? pcpu_alloc+0xe83/0x1420 [ 45.818070][ T493] dump_stack+0x15/0x17 [ 45.822203][ T493] should_fail+0x3c0/0x510 [ 45.826596][ T493] ? percpu_ref_init+0xc9/0x370 [ 45.831427][ T493] __should_failslab+0x9f/0xe0 [ 45.836168][ T493] should_failslab+0x9/0x20 [ 45.840669][ T493] kmem_cache_alloc_trace+0x4a/0x320 [ 45.845933][ T493] ? cgroup_setup_root+0xec0/0xec0 [ 45.851104][ T493] percpu_ref_init+0xc9/0x370 [ 45.855758][ T493] ? cgroup_setup_root+0xec0/0xec0 [ 45.860855][ T493] cgroup_apply_control_enable+0x383/0x10c0 [ 45.866731][ T493] cgroup_apply_control+0x93/0x710 [ 45.871823][ T493] ? css_next_child+0x160/0x160 [ 45.876656][ T493] ? wake_bit_function+0x230/0x230 [ 45.881758][ T493] ? kernfs_fop_write_iter+0x15b/0x410 [ 45.887204][ T493] ? __kasan_check_write+0x14/0x20 [ 45.892300][ T493] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.897567][ T493] cgroup_subtree_control_write+0xdde/0x1340 [ 45.903619][ T493] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.909580][ T493] ? __kasan_check_write+0x14/0x20 [ 45.914667][ T493] ? _copy_from_iter+0x360/0xed0 [ 45.919672][ T493] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.925634][ T493] cgroup_file_write+0x28e/0x590 [ 45.930557][ T493] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.936074][ T493] ? bit_wait_io_timeout+0x110/0x110 [ 45.941345][ T493] ? __kasan_check_write+0x14/0x20 [ 45.946537][ T493] kernfs_fop_write_iter+0x2cd/0x410 [ 45.951813][ T493] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.956905][ T493] vfs_write+0xbb4/0xf30 [ 45.961159][ T493] ? file_end_write+0x1b0/0x1b0 [ 45.966171][ T493] ? mutex_lock+0xec/0x130 [ 45.970651][ T493] ? bit_wait_io_timeout+0x110/0x110 [ 45.976262][ T493] ? __fdget_pos+0x26d/0x310 [ 45.980830][ T493] ? ksys_write+0x77/0x2c0 [ 45.985220][ T493] ksys_write+0x198/0x2c0 [ 45.989525][ T493] ? __ia32_sys_read+0x90/0x90 [ 45.994260][ T493] ? debug_smp_processor_id+0x17/0x20 [ 45.999611][ T493] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 46.005740][ T493] __x64_sys_write+0x7b/0x90 [ 46.010341][ T493] do_syscall_64+0x2f/0x50 [ 46.014734][ T493] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 46.020603][ T493] RIP: 0033:0x7efcc2e890e9 [ 46.024991][ 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 [ 46.044655][ T493] RSP: 002b:00007efcc402b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.053158][ T493] RAX: ffffffffffffffda RBX: 00007efcc2f9c030 RCX: 00007efcc2e890e9 [ 46.061116][ T493] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.069070][ T493] RBP: 00007efcc402b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.077022][ T493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.084977][ T493] R13: 00007ffde40d435f R14: 00007efcc402b300 R15: 0000000000022000 [ 46.092937][ T493] [ 46.129831][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 46.138103][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 46.143851][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 46.149778][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 46.155483][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 46.161487][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 46.169922][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 46.175634][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 46.181456][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 46.187332][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 46.193305][ T465] FAULT_INJECTION: forcing a failure. [ 46.193305][ T465] name failslab, interval 1, probability 0, space 0, times 0 [ 46.206400][ T465] CPU: 1 PID: 465 Comm: syz-executor.5 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 46.217954][ T465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.228115][ T465] Call Trace: [ 46.231385][ T465] [ 46.234295][ T465] dump_stack_lvl+0x151/0x1b7 [ 46.238955][ T465] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.244389][ T465] ? selinux_kernfs_init_security+0x1a8/0x760 [ 46.250435][ T465] dump_stack+0x15/0x17 [ 46.254566][ T465] should_fail+0x3c0/0x510 [ 46.259059][ T465] ? __kernfs_new_node+0x99/0x6e0 [ 46.264060][ T465] __should_failslab+0x9f/0xe0 [ 46.268798][ T465] should_failslab+0x9/0x20 [ 46.273274][ T465] __kmalloc_track_caller+0x6c/0x340 [ 46.278538][ T465] kstrdup_const+0x55/0x90 [ 46.282934][ T465] __kernfs_new_node+0x99/0x6e0 [ 46.287770][ T465] ? stack_trace_save+0x1f0/0x1f0 [ 46.292780][ T465] ? kernfs_new_node+0x170/0x170 [ 46.297690][ T465] ? ptr_to_hashval+0x60/0x60 [ 46.302341][ T465] ? arch_stack_walk+0xf8/0x140 [ 46.307164][ T465] ? snprintf+0xd6/0x120 [ 46.311379][ T465] kernfs_new_node+0x97/0x170 [ 46.316031][ T465] __kernfs_create_file+0x4a/0x270 [ 46.321115][ T465] cgroup_addrm_files+0xab8/0xfe0 [ 46.326113][ T465] ? ____kasan_kmalloc+0xdc/0x110 [ 46.331107][ T465] ? __kasan_kmalloc+0x9/0x10 [ 46.335756][ T465] ? kmem_cache_alloc_trace+0x1f0/0x320 [ 46.341281][ T465] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 46.347457][ T465] ? delete_node+0x759/0x7b0 [ 46.352022][ T465] ? __kasan_check_read+0x11/0x20 [ 46.357033][ T465] ? delete_node+0x759/0x7b0 [ 46.361618][ T465] ? __kasan_check_write+0x14/0x20 [ 46.366724][ T465] ? idr_replace+0x1c4/0x230 [ 46.371292][ T465] ? idr_get_next+0x4b0/0x4b0 [ 46.375947][ T465] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 46.380947][ T465] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 46.386116][ T465] css_populate_dir+0x137/0x370 [ 46.390941][ T465] cgroup_apply_control_enable+0x889/0x10c0 [ 46.396812][ T465] cgroup_apply_control+0x93/0x710 [ 46.401895][ T465] ? css_next_child+0x160/0x160 [ 46.406719][ T465] ? wake_bit_function+0x230/0x230 [ 46.411803][ T465] ? kernfs_fop_write_iter+0x15b/0x410 [ 46.417245][ T465] ? __kasan_check_write+0x14/0x20 [ 46.422327][ T465] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 46.427583][ T465] cgroup_subtree_control_write+0xdde/0x1340 [ 46.433536][ T465] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.439489][ T465] ? __kasan_check_write+0x14/0x20 [ 46.444574][ T465] ? _copy_from_iter+0x360/0xed0 [ 46.449483][ T465] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.455435][ T465] cgroup_file_write+0x28e/0x590 [ 46.460347][ T465] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.465430][ T465] ? bit_wait_io_timeout+0x110/0x110 [ 46.470687][ T465] ? __kasan_check_write+0x14/0x20 [ 46.475774][ T465] kernfs_fop_write_iter+0x2cd/0x410 [ 46.481069][ T465] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.486306][ T465] vfs_write+0xbb4/0xf30 [ 46.490525][ T465] ? file_end_write+0x1b0/0x1b0 [ 46.495348][ T465] ? mutex_lock+0xec/0x130 [ 46.499755][ T465] ? bit_wait_io_timeout+0x110/0x110 [ 46.505029][ T465] ? __fdget_pos+0x26d/0x310 [ 46.509616][ T465] ? ksys_write+0x77/0x2c0 [ 46.514164][ T465] ksys_write+0x198/0x2c0 [ 46.518687][ T465] ? __ia32_sys_read+0x90/0x90 [ 46.523445][ T465] ? debug_smp_processor_id+0x17/0x20 [ 46.528886][ T465] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 46.535024][ T465] __x64_sys_write+0x7b/0x90 [ 46.539595][ T465] do_syscall_64+0x2f/0x50 [ 46.544212][ T465] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 46.550957][ T465] RIP: 0033:0x7f287c0890e9 [ 46.555367][ T465] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.575127][ T465] RSP: 002b:00007f287d27b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.583610][ T465] RAX: ffffffffffffffda RBX: 00007f287c19c030 RCX: 00007f287c0890e9 [ 46.591655][ T465] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.599627][ T465] RBP: 00007f287d27b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.607577][ T465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.615526][ T465] R13: 00007ffc22ba17af R14: 00007f287d27b300 R15: 0000000000022000 [ 46.623922][ T465] [ 46.628332][ T465] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.669758][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 46.678033][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 46.683759][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 46.689549][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 46.695220][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 46.700954][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 46.709170][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 46.714905][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 46.720717][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 46.726425][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 46.732398][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 46.740646][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 46.746378][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 46.752215][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 46.757843][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 46.763932][ T514] FAULT_INJECTION: forcing a failure. [ 46.763932][ T514] name failslab, interval 1, probability 0, space 0, times 0 [ 46.776765][ T514] CPU: 0 PID: 514 Comm: syz-executor.2 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 46.788119][ T514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.798175][ T514] Call Trace: [ 46.801437][ T514] [ 46.804345][ T514] dump_stack_lvl+0x151/0x1b7 [ 46.809008][ T514] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.814545][ T514] ? selinux_kernfs_init_security+0x1a8/0x760 [ 46.820599][ T514] dump_stack+0x15/0x17 [ 46.824741][ T514] should_fail+0x3c0/0x510 [ 46.829136][ T514] ? __kernfs_new_node+0x99/0x6e0 [ 46.834142][ T514] __should_failslab+0x9f/0xe0 [ 46.838890][ T514] should_failslab+0x9/0x20 [ 46.843368][ T514] __kmalloc_track_caller+0x6c/0x340 [ 46.848638][ T514] kstrdup_const+0x55/0x90 [ 46.853043][ T514] __kernfs_new_node+0x99/0x6e0 [ 46.857969][ T514] ? stack_trace_save+0x1f0/0x1f0 [ 46.862987][ T514] ? kernfs_new_node+0x170/0x170 [ 46.867919][ T514] ? ptr_to_hashval+0x60/0x60 [ 46.872658][ T514] ? arch_stack_walk+0xf8/0x140 [ 46.877488][ T514] ? snprintf+0xd6/0x120 [ 46.881709][ T514] kernfs_new_node+0x97/0x170 [ 46.886369][ T514] __kernfs_create_file+0x4a/0x270 [ 46.891456][ T514] cgroup_addrm_files+0xab8/0xfe0 [ 46.896469][ T514] ? ____kasan_kmalloc+0xdc/0x110 [ 46.901568][ T514] ? __kasan_kmalloc+0x9/0x10 [ 46.906223][ T514] ? kmem_cache_alloc_trace+0x1f0/0x320 [ 46.911755][ T514] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 46.917891][ T514] ? delete_node+0x759/0x7b0 [ 46.922461][ T514] ? __kasan_check_read+0x11/0x20 [ 46.927460][ T514] ? delete_node+0x759/0x7b0 [ 46.932026][ T514] ? __kasan_check_write+0x14/0x20 [ 46.937116][ T514] ? idr_replace+0x1c4/0x230 [ 46.941690][ T514] ? idr_get_next+0x4b0/0x4b0 [ 46.946340][ T514] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 46.951341][ T514] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 46.956516][ T514] css_populate_dir+0x137/0x370 [ 46.961344][ T514] cgroup_apply_control_enable+0x889/0x10c0 [ 46.967217][ T514] cgroup_apply_control+0x93/0x710 [ 46.972303][ T514] ? css_next_child+0x160/0x160 [ 46.977130][ T514] ? wake_bit_function+0x230/0x230 [ 46.982478][ T514] ? kernfs_fop_write_iter+0x15b/0x410 [ 46.988433][ T514] ? __kasan_check_write+0x14/0x20 [ 46.993546][ T514] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 46.998825][ T514] cgroup_subtree_control_write+0xdde/0x1340 [ 47.004791][ T514] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.010757][ T514] ? __kasan_check_write+0x14/0x20 [ 47.015847][ T514] ? _copy_from_iter+0x360/0xed0 [ 47.020786][ T514] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.026751][ T514] cgroup_file_write+0x28e/0x590 [ 47.031673][ T514] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.036768][ T514] ? bit_wait_io_timeout+0x110/0x110 [ 47.042127][ T514] ? __kasan_check_write+0x14/0x20 [ 47.047222][ T514] kernfs_fop_write_iter+0x2cd/0x410 [ 47.052578][ T514] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.057704][ T514] vfs_write+0xbb4/0xf30 [ 47.061934][ T514] ? file_end_write+0x1b0/0x1b0 [ 47.066763][ T514] ? mutex_lock+0xec/0x130 [ 47.071300][ T514] ? bit_wait_io_timeout+0x110/0x110 [ 47.076576][ T514] ? __fdget_pos+0x26d/0x310 [ 47.081153][ T514] ? ksys_write+0x77/0x2c0 [ 47.085553][ T514] ksys_write+0x198/0x2c0 [ 47.089869][ T514] ? __ia32_sys_read+0x90/0x90 [ 47.094611][ T514] ? debug_smp_processor_id+0x17/0x20 [ 47.099966][ T514] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 47.106012][ T514] __x64_sys_write+0x7b/0x90 [ 47.110584][ T514] do_syscall_64+0x2f/0x50 [ 47.114991][ T514] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 47.120948][ T514] RIP: 0033:0x7ff671a890e9 [ 47.125470][ 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 [ 47.145405][ T514] RSP: 002b:00007ff672b31168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.153813][ T514] RAX: ffffffffffffffda RBX: 00007ff671b9c030 RCX: 00007ff671a890e9 [ 47.162428][ T514] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/05/26 10:02:26 executed programs: 24 [ 47.170559][ T514] RBP: 00007ff672b311d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.178612][ T514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.186565][ T514] R13: 00007ffc298296ef R14: 00007ff672b31300 R15: 0000000000022000 [ 47.194528][ T514] [ 47.198056][ T514] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.239941][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 47.248217][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 47.253949][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 47.259769][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 47.265391][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 47.271252][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 47.279481][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 47.285216][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 47.291033][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 47.296639][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 47.302355][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 47.310591][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 47.316293][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 47.322216][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 47.327936][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 47.333924][ T488] FAULT_INJECTION: forcing a failure. [ 47.333924][ T488] name failslab, interval 1, probability 0, space 0, times 0 [ 47.346709][ T488] CPU: 1 PID: 488 Comm: syz-executor.0 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 47.358140][ T488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.368172][ T488] Call Trace: [ 47.371431][ T488] [ 47.374341][ T488] dump_stack_lvl+0x151/0x1b7 [ 47.378997][ T488] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.384623][ T488] ? selinux_kernfs_init_security+0x1a8/0x760 [ 47.390765][ T488] dump_stack+0x15/0x17 [ 47.394916][ T488] should_fail+0x3c0/0x510 [ 47.399415][ T488] ? __kernfs_new_node+0x99/0x6e0 [ 47.404421][ T488] __should_failslab+0x9f/0xe0 [ 47.409172][ T488] should_failslab+0x9/0x20 [ 47.413698][ T488] __kmalloc_track_caller+0x6c/0x340 [ 47.418976][ T488] kstrdup_const+0x55/0x90 [ 47.423379][ T488] __kernfs_new_node+0x99/0x6e0 [ 47.428217][ T488] ? stack_trace_save+0x1f0/0x1f0 [ 47.433227][ T488] ? kernfs_new_node+0x170/0x170 [ 47.438268][ T488] ? ptr_to_hashval+0x60/0x60 [ 47.442926][ T488] ? arch_stack_walk+0xf8/0x140 [ 47.447773][ T488] ? snprintf+0xd6/0x120 [ 47.451993][ T488] kernfs_new_node+0x97/0x170 [ 47.456653][ T488] __kernfs_create_file+0x4a/0x270 [ 47.461910][ T488] cgroup_addrm_files+0xab8/0xfe0 [ 47.466923][ T488] ? ____kasan_kmalloc+0xdc/0x110 [ 47.471927][ T488] ? __kasan_kmalloc+0x9/0x10 [ 47.476699][ T488] ? kmem_cache_alloc_trace+0x1f0/0x320 [ 47.482245][ T488] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 47.488385][ T488] ? delete_node+0x759/0x7b0 [ 47.492956][ T488] ? __kasan_check_read+0x11/0x20 [ 47.497962][ T488] ? delete_node+0x759/0x7b0 [ 47.502535][ T488] ? __kasan_check_write+0x14/0x20 [ 47.507633][ T488] ? __kthread_should_park+0xaa/0xe0 [ 47.512911][ T488] ? do_softirq+0x114/0x1c0 [ 47.517410][ T488] ? __local_bh_enable_ip+0x80/0x80 [ 47.522587][ T488] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 47.527610][ T488] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 47.532965][ T488] css_populate_dir+0x137/0x370 [ 47.537799][ T488] cgroup_apply_control_enable+0x889/0x10c0 [ 47.543674][ T488] cgroup_apply_control+0x93/0x710 [ 47.548769][ T488] ? css_next_child+0x160/0x160 [ 47.553702][ T488] ? wake_bit_function+0x230/0x230 [ 47.558881][ T488] ? kernfs_fop_write_iter+0x15b/0x410 [ 47.564320][ T488] ? __kasan_check_write+0x14/0x20 [ 47.569409][ T488] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 47.574676][ T488] cgroup_subtree_control_write+0xdde/0x1340 [ 47.580684][ T488] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.586649][ T488] ? __kasan_check_write+0x14/0x20 [ 47.591741][ T488] ? _copy_from_iter+0x360/0xed0 [ 47.596660][ T488] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.602628][ T488] cgroup_file_write+0x28e/0x590 [ 47.607549][ T488] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.612637][ T488] ? bit_wait_io_timeout+0x110/0x110 [ 47.617904][ T488] ? __kasan_check_write+0x14/0x20 [ 47.622997][ T488] kernfs_fop_write_iter+0x2cd/0x410 [ 47.628258][ T488] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.633350][ T488] vfs_write+0xbb4/0xf30 [ 47.637575][ T488] ? file_end_write+0x1b0/0x1b0 [ 47.642409][ T488] ? mutex_lock+0xec/0x130 [ 47.646807][ T488] ? bit_wait_io_timeout+0x110/0x110 [ 47.652071][ T488] ? __fdget_pos+0x26d/0x310 [ 47.656726][ T488] ? ksys_write+0x77/0x2c0 [ 47.661121][ T488] ksys_write+0x198/0x2c0 [ 47.665432][ T488] ? __ia32_sys_read+0x90/0x90 [ 47.670172][ T488] ? debug_smp_processor_id+0x17/0x20 [ 47.675520][ T488] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 47.681564][ T488] __x64_sys_write+0x7b/0x90 [ 47.686139][ T488] do_syscall_64+0x2f/0x50 [ 47.690531][ T488] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 47.696401][ T488] RIP: 0033:0x7f9a0fe890e9 [ 47.700800][ 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 [ 47.720403][ T488] RSP: 002b:00007f9a10f2b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.728841][ T488] RAX: ffffffffffffffda RBX: 00007f9a0ff9c030 RCX: 00007f9a0fe890e9 [ 47.736834][ T488] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.744975][ T488] RBP: 00007f9a10f2b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.752928][ T488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.760880][ T488] R13: 00007ffc1d34f9cf R14: 00007f9a10f2b300 R15: 0000000000022000 [ 47.768836][ T488] [ 47.771907][ T488] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.829760][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 47.838047][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 47.843944][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 47.849753][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 47.855372][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 47.861093][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 47.869334][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 47.875224][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 47.881039][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 47.886907][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 47.892634][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 47.900877][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 47.906597][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 47.912408][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 47.918030][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 47.924031][ T513] FAULT_INJECTION: forcing a failure. [ 47.924031][ T513] name failslab, interval 1, probability 0, space 0, times 0 [ 47.936702][ T513] CPU: 0 PID: 513 Comm: syz-executor.3 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 47.948139][ T513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.958172][ T513] Call Trace: [ 47.961434][ T513] [ 47.964351][ T513] dump_stack_lvl+0x151/0x1b7 [ 47.969101][ T513] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.974541][ T513] ? pcpu_alloc+0xe83/0x1420 [ 47.979112][ T513] dump_stack+0x15/0x17 [ 47.983247][ T513] should_fail+0x3c0/0x510 [ 47.987640][ T513] ? percpu_ref_init+0xc9/0x370 [ 47.992472][ T513] __should_failslab+0x9f/0xe0 [ 47.997216][ T513] should_failslab+0x9/0x20 [ 48.001700][ T513] kmem_cache_alloc_trace+0x4a/0x320 [ 48.006988][ T513] ? cgroup_setup_root+0xec0/0xec0 [ 48.012083][ T513] percpu_ref_init+0xc9/0x370 [ 48.016737][ T513] ? cgroup_setup_root+0xec0/0xec0 [ 48.021826][ T513] cgroup_apply_control_enable+0x383/0x10c0 [ 48.027695][ T513] cgroup_apply_control+0x93/0x710 [ 48.032867][ T513] ? css_next_child+0x160/0x160 [ 48.037696][ T513] ? wake_bit_function+0x230/0x230 [ 48.042798][ T513] ? kernfs_fop_write_iter+0x15b/0x410 [ 48.048230][ T513] ? __kasan_check_write+0x14/0x20 [ 48.053315][ T513] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.058574][ T513] cgroup_subtree_control_write+0xdde/0x1340 [ 48.064541][ T513] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.070499][ T513] ? __kasan_check_write+0x14/0x20 [ 48.075590][ T513] ? _copy_from_iter+0x360/0xed0 [ 48.080504][ T513] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.086463][ T513] cgroup_file_write+0x28e/0x590 [ 48.091380][ T513] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.096467][ T513] ? bit_wait_io_timeout+0x110/0x110 [ 48.101737][ T513] ? __kasan_check_write+0x14/0x20 [ 48.106827][ T513] kernfs_fop_write_iter+0x2cd/0x410 [ 48.112095][ T513] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.117181][ T513] vfs_write+0xbb4/0xf30 [ 48.121410][ T513] ? file_end_write+0x1b0/0x1b0 [ 48.126237][ T513] ? mutex_lock+0xec/0x130 [ 48.130727][ T513] ? bit_wait_io_timeout+0x110/0x110 [ 48.136076][ T513] ? __fdget_pos+0x26d/0x310 [ 48.140643][ T513] ? ksys_write+0x77/0x2c0 [ 48.145036][ T513] ksys_write+0x198/0x2c0 [ 48.149347][ T513] ? __ia32_sys_read+0x90/0x90 [ 48.154094][ T513] ? debug_smp_processor_id+0x17/0x20 [ 48.159464][ T513] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 48.165533][ T513] __x64_sys_write+0x7b/0x90 [ 48.170109][ T513] do_syscall_64+0x2f/0x50 [ 48.174683][ T513] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 48.180565][ T513] RIP: 0033:0x7f1677e890e9 [ 48.184972][ T513] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.204671][ T513] RSP: 002b:00007f1678f62168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.213075][ T513] RAX: ffffffffffffffda RBX: 00007f1677f9c030 RCX: 00007f1677e890e9 [ 48.222043][ T513] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.229998][ T513] RBP: 00007f1678f621d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.237948][ T513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.245900][ T513] R13: 00007ffdb7ad9d6f R14: 00007f1678f62300 R15: 0000000000022000 [ 48.253869][ T513] [ 48.299789][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 48.308077][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 48.313853][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 48.319767][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 48.325393][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 48.331125][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 48.339361][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 48.345093][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 48.350908][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 48.356518][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 48.362830][ T517] FAULT_INJECTION: forcing a failure. [ 48.362830][ T517] name failslab, interval 1, probability 0, space 0, times 0 [ 48.375473][ T517] CPU: 0 PID: 517 Comm: syz-executor.5 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 48.387174][ T517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.397328][ T517] Call Trace: [ 48.400679][ T517] [ 48.403597][ T517] dump_stack_lvl+0x151/0x1b7 [ 48.408355][ T517] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.413908][ T517] ? pcpu_alloc+0xe83/0x1420 [ 48.418487][ T517] dump_stack+0x15/0x17 [ 48.422626][ T517] should_fail+0x3c0/0x510 [ 48.427025][ T517] ? percpu_ref_init+0xc9/0x370 [ 48.431854][ T517] __should_failslab+0x9f/0xe0 [ 48.436600][ T517] should_failslab+0x9/0x20 [ 48.441082][ T517] kmem_cache_alloc_trace+0x4a/0x320 [ 48.446348][ T517] ? cgroup_setup_root+0xec0/0xec0 [ 48.451435][ T517] percpu_ref_init+0xc9/0x370 [ 48.456147][ T517] ? cgroup_setup_root+0xec0/0xec0 [ 48.461237][ T517] cgroup_apply_control_enable+0x383/0x10c0 [ 48.467111][ T517] cgroup_apply_control+0x93/0x710 [ 48.472197][ T517] ? css_next_child+0x160/0x160 [ 48.477025][ T517] ? wake_bit_function+0x230/0x230 [ 48.482114][ T517] ? kernfs_fop_write_iter+0x15b/0x410 [ 48.487548][ T517] ? __kasan_check_write+0x14/0x20 [ 48.492639][ T517] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.497915][ T517] cgroup_subtree_control_write+0xdde/0x1340 [ 48.503878][ T517] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.509843][ T517] ? __kasan_check_write+0x14/0x20 [ 48.515193][ T517] ? _copy_from_iter+0x360/0xed0 [ 48.520112][ T517] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.526193][ T517] cgroup_file_write+0x28e/0x590 [ 48.531117][ T517] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.536205][ T517] ? bit_wait_io_timeout+0x110/0x110 [ 48.541470][ T517] ? __kasan_check_write+0x14/0x20 [ 48.546560][ T517] kernfs_fop_write_iter+0x2cd/0x410 [ 48.551836][ T517] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.556926][ T517] vfs_write+0xbb4/0xf30 [ 48.561148][ T517] ? file_end_write+0x1b0/0x1b0 [ 48.565976][ T517] ? mutex_lock+0xec/0x130 [ 48.570383][ T517] ? bit_wait_io_timeout+0x110/0x110 [ 48.575650][ T517] ? __fdget_pos+0x26d/0x310 [ 48.580216][ T517] ? ksys_write+0x77/0x2c0 [ 48.584783][ T517] ksys_write+0x198/0x2c0 [ 48.589090][ T517] ? __ia32_sys_read+0x90/0x90 [ 48.593840][ T517] ? debug_smp_processor_id+0x17/0x20 [ 48.600691][ T517] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 48.606742][ T517] __x64_sys_write+0x7b/0x90 [ 48.611412][ T517] do_syscall_64+0x2f/0x50 [ 48.615836][ T517] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 48.621725][ T517] RIP: 0033:0x7f287c0890e9 [ 48.626134][ T517] 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 [ 48.645720][ T517] RSP: 002b:00007f287d27b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.654118][ T517] RAX: ffffffffffffffda RBX: 00007f287c19c030 RCX: 00007f287c0890e9 [ 48.662073][ T517] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.670033][ T517] RBP: 00007f287d27b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.677989][ T517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.685949][ T517] R13: 00007ffc22ba17af R14: 00007f287d27b300 R15: 0000000000022000 [ 48.693915][ T517] [ 48.729786][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 48.738063][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 48.743893][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 48.749805][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 48.755435][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 48.761196][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 48.769439][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 48.775299][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 48.781113][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 48.786741][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 48.792740][ T526] FAULT_INJECTION: forcing a failure. [ 48.792740][ T526] name failslab, interval 1, probability 0, space 0, times 0 [ 48.805632][ T526] CPU: 1 PID: 526 Comm: syz-executor.3 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 48.817042][ T526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.827176][ T526] Call Trace: [ 48.830441][ T526] [ 48.833351][ T526] dump_stack_lvl+0x151/0x1b7 [ 48.838009][ T526] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.843444][ T526] ? pcpu_alloc+0xe83/0x1420 [ 48.848020][ T526] dump_stack+0x15/0x17 [ 48.852162][ T526] should_fail+0x3c0/0x510 [ 48.856561][ T526] ? percpu_ref_init+0xc9/0x370 [ 48.861569][ T526] __should_failslab+0x9f/0xe0 [ 48.866319][ T526] should_failslab+0x9/0x20 [ 48.870800][ T526] kmem_cache_alloc_trace+0x4a/0x320 [ 48.876063][ T526] ? cgroup_setup_root+0xec0/0xec0 [ 48.881151][ T526] percpu_ref_init+0xc9/0x370 [ 48.885808][ T526] ? cgroup_setup_root+0xec0/0xec0 [ 48.890899][ T526] cgroup_apply_control_enable+0x383/0x10c0 [ 48.896779][ T526] cgroup_apply_control+0x93/0x710 [ 48.901976][ T526] ? css_next_child+0x160/0x160 [ 48.906805][ T526] ? wake_bit_function+0x230/0x230 [ 48.911898][ T526] ? kernfs_fop_write_iter+0x15b/0x410 [ 48.917335][ T526] ? __kasan_check_write+0x14/0x20 [ 48.922430][ T526] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.927696][ T526] cgroup_subtree_control_write+0xdde/0x1340 [ 48.933664][ T526] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.939714][ T526] ? __kasan_check_write+0x14/0x20 [ 48.944811][ T526] ? _copy_from_iter+0x360/0xed0 [ 48.949734][ T526] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.955792][ T526] cgroup_file_write+0x28e/0x590 [ 48.960714][ T526] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.965808][ T526] ? bit_wait_io_timeout+0x110/0x110 [ 48.971076][ T526] ? __kasan_check_write+0x14/0x20 [ 48.976171][ T526] kernfs_fop_write_iter+0x2cd/0x410 [ 48.981444][ T526] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.987059][ T526] vfs_write+0xbb4/0xf30 [ 48.991287][ T526] ? file_end_write+0x1b0/0x1b0 [ 48.996121][ T526] ? mutex_lock+0xec/0x130 [ 49.000523][ T526] ? bit_wait_io_timeout+0x110/0x110 [ 49.005879][ T526] ? __fdget_pos+0x26d/0x310 [ 49.010455][ T526] ? ksys_write+0x77/0x2c0 [ 49.014854][ T526] ksys_write+0x198/0x2c0 [ 49.019169][ T526] ? __ia32_sys_read+0x90/0x90 [ 49.023916][ T526] ? debug_smp_processor_id+0x17/0x20 [ 49.029272][ T526] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 49.035324][ T526] __x64_sys_write+0x7b/0x90 [ 49.039898][ T526] do_syscall_64+0x2f/0x50 [ 49.044298][ T526] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 49.050201][ T526] RIP: 0033:0x7f1677e890e9 [ 49.054604][ T526] 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 [ 49.074204][ T526] RSP: 002b:00007f1678f62168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.082598][ T526] RAX: ffffffffffffffda RBX: 00007f1677f9c030 RCX: 00007f1677e890e9 [ 49.091605][ T526] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.099743][ T526] RBP: 00007f1678f621d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.107704][ T526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.115654][ T526] R13: 00007ffdb7ad9d6f R14: 00007f1678f62300 R15: 0000000000022000 [ 49.123625][ T526] [ 49.159849][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 49.168408][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 49.174157][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 49.179982][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 49.185610][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 49.191349][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 49.199587][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 49.205328][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 49.211149][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 49.216760][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 49.222927][ T532] FAULT_INJECTION: forcing a failure. [ 49.222927][ T532] name failslab, interval 1, probability 0, space 0, times 0 [ 49.235876][ T532] CPU: 1 PID: 532 Comm: syz-executor.3 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 49.247238][ T532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.257281][ T532] Call Trace: [ 49.260543][ T532] [ 49.263468][ T532] dump_stack_lvl+0x151/0x1b7 [ 49.268215][ T532] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.273736][ T532] ? selinux_kernfs_init_security+0x1a8/0x760 [ 49.279785][ T532] dump_stack+0x15/0x17 [ 49.283922][ T532] should_fail+0x3c0/0x510 [ 49.288313][ T532] ? __kernfs_new_node+0x99/0x6e0 [ 49.293311][ T532] __should_failslab+0x9f/0xe0 [ 49.298049][ T532] should_failslab+0x9/0x20 [ 49.302533][ T532] __kmalloc_track_caller+0x6c/0x340 [ 49.307803][ T532] kstrdup_const+0x55/0x90 [ 49.312193][ T532] __kernfs_new_node+0x99/0x6e0 [ 49.317037][ T532] ? stack_trace_save+0x1f0/0x1f0 [ 49.322038][ T532] ? kernfs_new_node+0x170/0x170 [ 49.326953][ T532] ? ptr_to_hashval+0x60/0x60 [ 49.331605][ T532] ? arch_stack_walk+0xf8/0x140 [ 49.336435][ T532] ? snprintf+0xd6/0x120 [ 49.340652][ T532] kernfs_new_node+0x97/0x170 [ 49.345478][ T532] __kernfs_create_file+0x4a/0x270 [ 49.350572][ T532] cgroup_addrm_files+0xab8/0xfe0 [ 49.355575][ T532] ? ____kasan_kmalloc+0xdc/0x110 [ 49.360574][ T532] ? __kasan_kmalloc+0x9/0x10 [ 49.365231][ T532] ? kmem_cache_alloc_trace+0x1f0/0x320 [ 49.370768][ T532] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 49.377136][ T532] ? delete_node+0x759/0x7b0 [ 49.381817][ T532] ? __kasan_check_read+0x11/0x20 [ 49.386826][ T532] ? delete_node+0x759/0x7b0 [ 49.391508][ T532] ? __kasan_check_write+0x14/0x20 [ 49.396602][ T532] ? idr_replace+0x1c4/0x230 [ 49.401170][ T532] ? idr_get_next+0x4b0/0x4b0 [ 49.405820][ T532] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 49.410822][ T532] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 49.416156][ T532] css_populate_dir+0x137/0x370 [ 49.420984][ T532] cgroup_apply_control_enable+0x889/0x10c0 [ 49.426854][ T532] cgroup_apply_control+0x93/0x710 [ 49.431937][ T532] ? css_next_child+0x160/0x160 [ 49.436849][ T532] ? wake_bit_function+0x230/0x230 [ 49.442280][ T532] ? kernfs_fop_write_iter+0x15b/0x410 [ 49.448067][ T532] ? __kasan_check_write+0x14/0x20 [ 49.453240][ T532] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 49.458497][ T532] cgroup_subtree_control_write+0xdde/0x1340 [ 49.464698][ T532] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.470847][ T532] ? __kasan_check_write+0x14/0x20 [ 49.475941][ T532] ? _copy_from_iter+0x360/0xed0 [ 49.480867][ T532] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.486824][ T532] cgroup_file_write+0x28e/0x590 [ 49.491742][ T532] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.496826][ T532] ? bit_wait_io_timeout+0x110/0x110 [ 49.502087][ T532] ? __kasan_check_write+0x14/0x20 [ 49.507170][ T532] kernfs_fop_write_iter+0x2cd/0x410 [ 49.512528][ T532] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.517616][ T532] vfs_write+0xbb4/0xf30 [ 49.521837][ T532] ? file_end_write+0x1b0/0x1b0 [ 49.526660][ T532] ? mutex_lock+0xec/0x130 [ 49.531049][ T532] ? bit_wait_io_timeout+0x110/0x110 [ 49.536308][ T532] ? __fdget_pos+0x26d/0x310 [ 49.540956][ T532] ? ksys_write+0x77/0x2c0 [ 49.545347][ T532] ksys_write+0x198/0x2c0 [ 49.549660][ T532] ? __ia32_sys_read+0x90/0x90 [ 49.554397][ T532] ? debug_smp_processor_id+0x17/0x20 [ 49.559745][ T532] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 49.565799][ T532] __x64_sys_write+0x7b/0x90 [ 49.570398][ T532] do_syscall_64+0x2f/0x50 [ 49.574893][ T532] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 49.580864][ T532] RIP: 0033:0x7f1677e890e9 [ 49.585256][ T532] 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 [ 49.605012][ T532] RSP: 002b:00007f1678f62168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.613406][ T532] RAX: ffffffffffffffda RBX: 00007f1677f9c030 RCX: 00007f1677e890e9 [ 49.621447][ T532] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.629400][ T532] RBP: 00007f1678f621d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.637349][ T532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.645394][ T532] R13: 00007ffdb7ad9d6f R14: 00007f1678f62300 R15: 0000000000022000 [ 49.653449][ T532] [ 49.657384][ T532] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.709749][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 49.718026][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 49.723793][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 49.729604][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 49.735236][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 49.740962][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 49.749356][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 49.755177][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 49.760983][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 49.766588][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 49.772305][ C1] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 49.780543][ C1] percpu_ref_call_confirm_rcu: pre-conf 2 [ 49.786331][ C1] percpu_ref_call_confirm_rcu: post-conf 2 [ 49.792225][ C1] percpu_ref_call_confirm_rcu: pre-put 2 [ 49.797955][ C1] percpu_ref_call_confirm_rcu: post-put 1 [ 49.804168][ T523] FAULT_INJECTION: forcing a failure. [ 49.804168][ T523] name failslab, interval 1, probability 0, space 0, times 0 [ 49.816843][ T523] CPU: 0 PID: 523 Comm: syz-executor.2 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 49.828301][ T523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.838410][ T523] Call Trace: [ 49.841766][ T523] [ 49.844688][ T523] dump_stack_lvl+0x151/0x1b7 [ 49.849352][ T523] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.854799][ T523] ? pcpu_alloc+0xe83/0x1420 [ 49.859373][ T523] dump_stack+0x15/0x17 [ 49.863595][ T523] should_fail+0x3c0/0x510 [ 49.867987][ T523] ? percpu_ref_init+0xc9/0x370 [ 49.873160][ T523] __should_failslab+0x9f/0xe0 [ 49.878018][ T523] should_failslab+0x9/0x20 [ 49.882505][ T523] kmem_cache_alloc_trace+0x4a/0x320 [ 49.887881][ T523] ? cgroup_setup_root+0xec0/0xec0 [ 49.892974][ T523] percpu_ref_init+0xc9/0x370 [ 49.897642][ T523] ? cgroup_setup_root+0xec0/0xec0 [ 49.902738][ T523] cgroup_apply_control_enable+0x383/0x10c0 [ 49.908610][ T523] cgroup_apply_control+0x93/0x710 [ 49.913703][ T523] ? css_next_child+0x160/0x160 [ 49.918528][ T523] ? wake_bit_function+0x230/0x230 [ 49.923623][ T523] ? kernfs_fop_write_iter+0x15b/0x410 [ 49.929077][ T523] ? __kasan_check_write+0x14/0x20 [ 49.934168][ T523] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 49.939515][ T523] cgroup_subtree_control_write+0xdde/0x1340 [ 49.945472][ T523] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.951515][ T523] ? __kasan_check_write+0x14/0x20 [ 49.956636][ T523] ? _copy_from_iter+0x360/0xed0 [ 49.961664][ T523] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.967619][ T523] cgroup_file_write+0x28e/0x590 [ 49.972534][ T523] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.977626][ T523] ? bit_wait_io_timeout+0x110/0x110 [ 49.983146][ T523] ? __kasan_check_write+0x14/0x20 [ 49.988235][ T523] kernfs_fop_write_iter+0x2cd/0x410 [ 49.993714][ T523] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.998810][ T523] vfs_write+0xbb4/0xf30 [ 50.003128][ T523] ? file_end_write+0x1b0/0x1b0 [ 50.008047][ T523] ? mutex_lock+0xec/0x130 [ 50.012565][ T523] ? bit_wait_io_timeout+0x110/0x110 [ 50.017941][ T523] ? __fdget_pos+0x26d/0x310 [ 50.022519][ T523] ? ksys_write+0x77/0x2c0 [ 50.026924][ T523] ksys_write+0x198/0x2c0 [ 50.031241][ T523] ? __ia32_sys_read+0x90/0x90 [ 50.035992][ T523] ? debug_smp_processor_id+0x17/0x20 [ 50.041360][ T523] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 50.047405][ T523] __x64_sys_write+0x7b/0x90 [ 50.051976][ T523] do_syscall_64+0x2f/0x50 [ 50.056371][ T523] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 50.062255][ T523] RIP: 0033:0x7ff671a890e9 [ 50.066744][ T523] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.086329][ T523] RSP: 002b:00007ff672b31168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.094812][ T523] RAX: ffffffffffffffda RBX: 00007ff671b9c030 RCX: 00007ff671a890e9 [ 50.102860][ T523] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.110818][ T523] RBP: 00007ff672b311d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.118783][ T523] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.126834][ T523] R13: 00007ffc298296ef R14: 00007ff672b31300 R15: 0000000000022000 [ 50.134791][ T523] [ 50.179788][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 50.188037][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 50.193881][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 50.199930][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 50.205570][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 50.211420][ C0] percpu_ref_switch_to_atomic_rcu: global 9223372036854775809 percpu 1 [ 50.219644][ C0] percpu_ref_call_confirm_rcu: pre-conf 2 [ 50.225386][ C0] percpu_ref_call_confirm_rcu: post-conf 2 [ 50.231288][ C0] percpu_ref_call_confirm_rcu: pre-put 2 [ 50.236897][ C0] percpu_ref_call_confirm_rcu: post-put 1 [ 50.243075][ T535] FAULT_INJECTION: forcing a failure. [ 50.243075][ T535] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 50.256309][ T535] CPU: 0 PID: 535 Comm: syz-executor.3 Tainted: G B W 5.18.0-syzkaller-01161-gcb93b3201ead #0 [ 50.267670][ T535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.277838][ T535] Call Trace: [ 50.281100][ T535] [ 50.284013][ T535] dump_stack_lvl+0x151/0x1b7 [ 50.288759][ T535] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.294196][ T535] ? __kasan_check_write+0x14/0x20 [ 50.299289][ T535] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 50.304391][ T535] dump_stack+0x15/0x17 [ 50.308527][ T535] should_fail+0x3c0/0x510 [ 50.312926][ T535] should_fail_alloc_page+0x50/0x60 [ 50.318103][ T535] __alloc_pages+0x207/0x850 [ 50.322671][ T535] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 50.328894][ T535] ? zone_watermark_fast+0x210/0x210 [ 50.334168][ T535] allocate_slab+0x69/0x4d0 [ 50.338756][ T535] ___slab_alloc+0x2c2/0x6a0 [ 50.343329][ T535] ? pids_css_alloc+0x4e/0x120 [ 50.348161][ T535] ? pids_css_alloc+0x4e/0x120 [ 50.352907][ T535] __slab_alloc+0x4a/0x90 [ 50.357240][ T535] kmem_cache_alloc_trace+0x221/0x320 [ 50.363044][ T535] ? pids_css_alloc+0x4e/0x120 [ 50.367791][ T535] pids_css_alloc+0x4e/0x120 [ 50.372459][ T535] cgroup_apply_control_enable+0x335/0x10c0 [ 50.378409][ T535] cgroup_apply_control+0x93/0x710 [ 50.383522][ T535] ? css_next_child+0x160/0x160 [ 50.388465][ T535] ? wake_bit_function+0x230/0x230 [ 50.393564][ T535] ? kernfs_fop_write_iter+0x15b/0x410 [ 50.399026][ T535] ? __kasan_check_write+0x14/0x20 [ 50.404129][ T535] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 50.409396][ T535] cgroup_subtree_control_write+0xdde/0x1340 [ 50.415358][ T535] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.421319][ T535] ? __kasan_check_write+0x14/0x20 [ 50.426412][ T535] ? _copy_from_iter+0x360/0xed0 [ 50.431523][ T535] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.437655][ T535] cgroup_file_write+0x28e/0x590 [ 50.442580][ T535] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.447688][ T535] ? bit_wait_io_timeout+0x110/0x110 [ 50.452952][ T535] ? __kasan_check_write+0x14/0x20 [ 50.458042][ T535] kernfs_fop_write_iter+0x2cd/0x410 [ 50.463306][ T535] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.468399][ T535] vfs_write+0xbb4/0xf30 [ 50.472624][ T535] ? file_end_write+0x1b0/0x1b0