Warning: Permanently added '10.128.0.159' (ECDSA) to the list of known hosts. 2022/05/23 20:01:32 parsed 1 programs 2022/05/23 20:01:32 executed programs: 0 [ 40.878791][ T23] audit: type=1400 audit(1653336092.310:148): avc: denied { mounton } for pid=412 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 40.885114][ T412] cgroup: Unknown subsys name 'net' [ 40.907484][ T412] cgroup: Unknown subsys name 'devices' [ 40.913679][ T412] cgroup: Unknown subsys name 'hugetlb' [ 40.919361][ T412] cgroup: Unknown subsys name 'rlimit' [ 40.925337][ T23] audit: type=1400 audit(1653336092.360:149): avc: denied { mounton } for pid=412 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 40.964656][ T23] audit: type=1400 audit(1653336092.360:150): avc: denied { mount } for pid=412 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 40.992472][ T23] audit: type=1400 audit(1653336092.380:151): avc: denied { mounton } for pid=417 comm="syz-executor.0" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 41.045800][ T23] audit: type=1400 audit(1653336092.380:152): avc: denied { module_request } for pid=417 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 41.088765][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.095800][ T418] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.102996][ T418] device bridge_slave_0 entered promiscuous mode [ 41.121181][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.128273][ T418] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.135692][ T418] device bridge_slave_1 entered promiscuous mode [ 41.151008][ T423] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.158083][ T423] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.165454][ T423] device bridge_slave_0 entered promiscuous mode [ 41.185701][ T423] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.192712][ T423] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.200084][ T423] device bridge_slave_1 entered promiscuous mode [ 41.212154][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.219282][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.226584][ T417] device bridge_slave_0 entered promiscuous mode [ 41.235694][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.242802][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.250253][ T417] device bridge_slave_1 entered promiscuous mode [ 41.270060][ T428] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.277224][ T428] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.284429][ T428] device bridge_slave_0 entered promiscuous mode [ 41.297981][ T426] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.305094][ T426] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.312283][ T426] device bridge_slave_0 entered promiscuous mode [ 41.320134][ T426] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.327248][ T426] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.334489][ T426] device bridge_slave_1 entered promiscuous mode [ 41.344909][ T428] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.356277][ T428] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.363544][ T428] device bridge_slave_1 entered promiscuous mode [ 41.412767][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.419851][ T418] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.427105][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.434106][ T418] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.444166][ T425] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.451331][ T425] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.458757][ T425] device bridge_slave_0 entered promiscuous mode [ 41.467283][ T425] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.474296][ T425] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.481591][ T425] device bridge_slave_1 entered promiscuous mode [ 41.502732][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.509773][ T417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.517010][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.524010][ T417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.550209][ T423] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.557239][ T423] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.564453][ T423] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.571467][ T423] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.599121][ T428] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.606154][ T428] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.613351][ T428] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.620364][ T428] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.636990][ T425] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.644009][ T425] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.651242][ T425] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.658252][ T425] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.666173][ T393] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.673256][ T393] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.680563][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.688350][ T393] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.695658][ T393] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.702727][ T393] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.709953][ T393] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.717373][ T393] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.724443][ T393] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.731865][ T393] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.739046][ T393] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.759736][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.767793][ T393] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.774787][ T393] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.782238][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.790441][ T393] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.797451][ T393] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.804720][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.812068][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.835283][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.842799][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.851639][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.859875][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.868030][ T70] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.875035][ T70] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.882407][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.890440][ T70] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.897444][ T70] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.904767][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.912840][ T70] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.919859][ T70] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.927113][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.935000][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.965747][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.973977][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.983336][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.993225][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.001332][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.009457][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.017632][ T70] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.024626][ T70] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.031995][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.039825][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.047787][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.055599][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.091502][ T23] audit: type=1400 audit(1653336093.520:153): avc: denied { mount } for pid=418 comm="syz-executor.1" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 42.114900][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.123771][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.131985][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.140129][ T393] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.147145][ T393] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.154635][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.162973][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.171100][ T393] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.178111][ T393] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.185503][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.193965][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.201843][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.209726][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.217626][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.225920][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.234068][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 42.241885][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.249608][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.257759][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.265816][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.273951][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.282215][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.289579][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.297854][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.306114][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.314132][ T393] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.321161][ T393] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.328499][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.336712][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.344767][ T393] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.351876][ T393] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.359322][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.367298][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.375104][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.382966][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.390860][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.399162][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.407375][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.415596][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 42.423408][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.431646][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.438940][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.447388][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.477371][ T23] audit: type=1400 audit(1653336093.910:154): avc: denied { mounton } for pid=447 comm="syz-executor.1" path="/root/syzkaller-testdir2877284904/syzkaller.jUVJQB/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 42.477416][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.513116][ T448] FAULT_INJECTION: forcing a failure. [ 42.513116][ T448] name failslab, interval 1, probability 0, space 0, times 1 [ 42.513585][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.526204][ T448] CPU: 0 PID: 448 Comm: syz-executor.1 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.533872][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.544405][ T448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.544409][ T448] Call Trace: [ 42.544423][ T448] dump_stack_lvl+0x1e2/0x24b [ 42.544431][ T448] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.544441][ T448] dump_stack+0x15/0x17 [ 42.544448][ T448] should_fail+0x3c0/0x510 [ 42.544458][ T448] ? allocate_cgrp_cset_links+0xb3/0x270 [ 42.544467][ T448] __should_failslab+0x9f/0xe0 [ 42.544476][ T448] should_failslab+0x9/0x20 [ 42.544485][ T448] kmem_cache_alloc_trace+0x3a/0x330 [ 42.544493][ T448] allocate_cgrp_cset_links+0xb3/0x270 [ 42.544501][ T448] find_css_set+0xb13/0x1db0 [ 42.544510][ T448] ? _raw_spin_unlock_irq+0x4e/0x70 [ 42.544518][ T448] ? rcu_sync_enter_start+0x70/0x70 [ 42.544532][ T448] ? idr_replace+0x1c4/0x230 [ 42.552629][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.562422][ T448] ? cgroup_migrate_prepare_dst+0x950/0x950 [ 42.562429][ T448] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 42.562438][ T448] ? refcount_dec_if_one+0x130/0x130 [ 42.562445][ T448] ? cpumask_next+0x23/0x30 [ 42.562454][ T448] ? percpu_down_write+0x226/0x380 [ 42.562463][ T448] cgroup_migrate_prepare_dst+0xd1/0x950 [ 42.562471][ T448] cgroup_apply_control+0x54e/0x710 [ 42.562478][ T448] ? css_next_child+0x160/0x160 [ 42.562487][ T448] ? __kasan_check_write+0x14/0x20 [ 42.562501][ T448] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 42.566385][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.570594][ T448] cgroup_subtree_control_write+0xd19/0x1310 [ 42.576247][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.580147][ T448] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.584686][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.590143][ T448] ? __kasan_check_write+0x14/0x20 [ 42.590153][ T448] ? _copy_from_iter+0x3fb/0xd60 [ 42.590160][ T448] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.590167][ T448] cgroup_file_write+0x28e/0x590 [ 42.590175][ T448] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.590189][ T448] ? mutex_lock+0xa6/0x110 [ 42.596443][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 42.599403][ T448] ? mutex_trylock+0xb0/0xb0 [ 42.605041][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.610105][ T448] ? __kasan_check_write+0x14/0x20 [ 42.614792][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.619831][ T448] kernfs_fop_write_iter+0x2d0/0x410 [ 42.619839][ T448] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.619848][ T448] vfs_write+0xc1c/0xf40 [ 42.619855][ T448] ? kernel_write+0x3c0/0x3c0 [ 42.619869][ T448] ? mutex_trylock+0xb0/0xb0 [ 42.625715][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.629601][ T448] ? __fdget_pos+0x26d/0x310 [ 42.637956][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.643501][ T448] ? ksys_write+0x77/0x2c0 [ 42.648883][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.653752][ T448] ksys_write+0x198/0x2c0 [ 42.658495][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.663398][ T448] ? __ia32_sys_read+0x90/0x90 [ 42.669112][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.674265][ T448] ? debug_smp_processor_id+0x17/0x20 [ 42.679367][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.684432][ T448] __x64_sys_write+0x7b/0x90 [ 42.689836][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.697712][ T448] do_syscall_64+0x34/0x70 [ 42.697721][ T448] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.697728][ T448] RIP: 0033:0x7f42e58690e9 [ 42.697737][ T448] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.697742][ T448] RSP: 002b:00007f42e57df168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.697753][ T448] RAX: ffffffffffffffda RBX: 00007f42e597bf60 RCX: 00007f42e58690e9 [ 42.697759][ T448] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.697764][ T448] RBP: 00007f42e57df1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.697769][ T448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.697780][ T448] R13: 00007ffd9450a68f R14: 00007f42e57df300 R15: 0000000000022000 [ 42.704011][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.712118][ T23] audit: type=1400 audit(1653336094.030:155): avc: denied { append } for pid=143 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 [ 42.717651][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.718430][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.726199][ T23] audit: type=1400 audit(1653336094.030:156): avc: denied { open } for pid=143 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 [ 42.731165][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.736017][ T23] audit: type=1400 audit(1653336094.030:157): avc: denied { getattr } for pid=143 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 [ 42.742328][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.082601][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.113351][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.123199][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.132600][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.140440][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.148289][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.156545][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.164540][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.172695][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.180776][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.189049][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.197379][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.205547][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.213688][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.221890][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.250807][ T454] FAULT_INJECTION: forcing a failure. [ 43.250807][ T454] name failslab, interval 1, probability 0, space 0, times 0 [ 43.263484][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.273959][ T393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.282109][ T454] CPU: 1 PID: 454 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.292857][ T454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.302892][ T454] Call Trace: [ 43.306158][ T454] dump_stack_lvl+0x1e2/0x24b [ 43.310813][ T454] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.316243][ T454] dump_stack+0x15/0x17 [ 43.320374][ T454] should_fail+0x3c0/0x510 [ 43.324759][ T454] ? pids_css_alloc+0x4e/0x120 [ 43.329510][ T454] __should_failslab+0x9f/0xe0 [ 43.334254][ T454] should_failslab+0x9/0x20 [ 43.338727][ T454] kmem_cache_alloc_trace+0x3a/0x330 [ 43.344247][ T454] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 43.349415][ T454] pids_css_alloc+0x4e/0x120 [ 43.353976][ T454] cgroup_apply_control_enable+0x350/0x12f0 [ 43.359854][ T454] cgroup_apply_control+0x93/0x710 [ 43.364948][ T454] ? css_next_child+0x160/0x160 [ 43.369768][ T454] ? io_schedule+0x120/0x120 [ 43.374333][ T454] ? kernfs_fop_write_iter+0x15e/0x410 [ 43.379769][ T454] ? __kasan_check_write+0x14/0x20 [ 43.384861][ T454] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.390205][ T454] cgroup_subtree_control_write+0xd19/0x1310 [ 43.396174][ T454] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.402128][ T454] ? __kasan_check_write+0x14/0x20 [ 43.407396][ T454] ? _copy_from_iter+0x3fb/0xd60 [ 43.412322][ T454] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.418272][ T454] cgroup_file_write+0x28e/0x590 [ 43.423181][ T454] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.428271][ T454] ? mutex_lock+0xa6/0x110 [ 43.432658][ T454] ? mutex_trylock+0xb0/0xb0 [ 43.437219][ T454] ? __kasan_check_write+0x14/0x20 [ 43.442303][ T454] kernfs_fop_write_iter+0x2d0/0x410 [ 43.447564][ T454] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.452648][ T454] vfs_write+0xc1c/0xf40 [ 43.456860][ T454] ? kernel_write+0x3c0/0x3c0 [ 43.461941][ T454] ? mutex_trylock+0xb0/0xb0 [ 43.466505][ T454] ? __fdget_pos+0x26d/0x310 [ 43.471061][ T454] ? ksys_write+0x77/0x2c0 [ 43.475447][ T454] ksys_write+0x198/0x2c0 [ 43.479745][ T454] ? __ia32_sys_read+0x90/0x90 [ 43.484486][ T454] ? debug_smp_processor_id+0x17/0x20 [ 43.489832][ T454] __x64_sys_write+0x7b/0x90 [ 43.494393][ T454] do_syscall_64+0x34/0x70 [ 43.498785][ T454] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.504646][ T454] RIP: 0033:0x7f0c7456d0e9 [ 43.509035][ T454] 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 [ 43.528607][ T454] RSP: 002b:00007f0c744e3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.536989][ T454] RAX: ffffffffffffffda RBX: 00007f0c7467ff60 RCX: 00007f0c7456d0e9 [ 43.544931][ T454] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.552874][ T454] RBP: 00007f0c744e31d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.560815][ T454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.568762][ T454] R13: 00007ffc9ba37b1f R14: 00007f0c744e3300 R15: 0000000000022000 [ 43.601917][ T387] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.610581][ T387] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.621593][ T467] FAULT_INJECTION: forcing a failure. [ 43.621593][ T467] name failslab, interval 1, probability 0, space 0, times 0 [ 43.622878][ T387] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.635451][ T467] CPU: 1 PID: 467 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.645912][ T387] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.653064][ T467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.653069][ T467] Call Trace: [ 43.653082][ T467] dump_stack_lvl+0x1e2/0x24b [ 43.653098][ T467] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.661553][ T387] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.671184][ T467] ? selinux_kernfs_init_security+0x1a8/0x760 [ 43.671193][ T467] dump_stack+0x15/0x17 [ 43.671200][ T467] should_fail+0x3c0/0x510 [ 43.671214][ T467] ? __kernfs_new_node+0x99/0x6e0 [ 43.674884][ T387] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.679125][ T467] __should_failslab+0x9f/0xe0 [ 43.679139][ T467] should_failslab+0x9/0x20 [ 43.729264][ T467] __kmalloc_track_caller+0x5f/0x350 [ 43.734518][ T467] kstrdup_const+0x55/0x90 [ 43.738907][ T467] __kernfs_new_node+0x99/0x6e0 [ 43.743752][ T467] ? is_module_text_address+0xe1/0x140 [ 43.749185][ T467] ? kernfs_new_node+0x170/0x170 [ 43.754089][ T467] ? ptr_to_hashval+0x60/0x60 [ 43.758745][ T467] ? arch_stack_walk+0xf8/0x140 [ 43.763563][ T467] ? snprintf+0xd6/0x120 [ 43.767773][ T467] kernfs_new_node+0x97/0x170 [ 43.772417][ T467] __kernfs_create_file+0x4a/0x270 [ 43.777521][ T467] cgroup_addrm_files+0xab8/0xfe0 [ 43.782534][ T467] ? ____kasan_kmalloc+0xdc/0x110 [ 43.787612][ T467] ? __kasan_kmalloc+0x9/0x10 [ 43.792275][ T467] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 43.797798][ T467] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 43.803926][ T467] ? delete_node+0x759/0x7b0 [ 43.808497][ T467] ? __kasan_check_read+0x11/0x20 [ 43.813505][ T467] ? delete_node+0x759/0x7b0 [ 43.818068][ T467] ? __kasan_check_write+0x14/0x20 [ 43.823153][ T467] ? idr_replace+0x1c4/0x230 [ 43.827714][ T467] ? idr_get_next+0x4b0/0x4b0 [ 43.832359][ T467] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 43.837349][ T467] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 43.842605][ T467] css_populate_dir+0x137/0x370 [ 43.847425][ T467] cgroup_apply_control_enable+0x8b9/0x12f0 [ 43.853374][ T467] cgroup_apply_control+0x93/0x710 [ 43.858457][ T467] ? css_next_child+0x160/0x160 [ 43.863284][ T467] ? io_schedule+0x120/0x120 [ 43.867843][ T467] ? kernfs_fop_write_iter+0x15e/0x410 [ 43.873274][ T467] ? __kasan_check_write+0x14/0x20 [ 43.878365][ T467] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.883617][ T467] cgroup_subtree_control_write+0xd19/0x1310 [ 43.889562][ T467] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.895509][ T467] ? __kasan_check_write+0x14/0x20 [ 43.900586][ T467] ? _copy_from_iter+0x3fb/0xd60 [ 43.905521][ T467] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.911476][ T467] cgroup_file_write+0x28e/0x590 [ 43.916382][ T467] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.921463][ T467] ? mutex_lock+0xa6/0x110 [ 43.925878][ T467] ? mutex_trylock+0xb0/0xb0 [ 43.930442][ T467] ? __kasan_check_write+0x14/0x20 [ 43.935526][ T467] kernfs_fop_write_iter+0x2d0/0x410 [ 43.940780][ T467] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.945859][ T467] vfs_write+0xc1c/0xf40 [ 43.950163][ T467] ? kernel_write+0x3c0/0x3c0 [ 43.954825][ T467] ? mutex_trylock+0xb0/0xb0 [ 43.959401][ T467] ? __fdget_pos+0x26d/0x310 [ 43.963974][ T467] ? ksys_write+0x77/0x2c0 [ 43.968368][ T467] ksys_write+0x198/0x2c0 [ 43.972672][ T467] ? __ia32_sys_read+0x90/0x90 [ 43.977416][ T467] ? debug_smp_processor_id+0x17/0x20 [ 43.982778][ T467] __x64_sys_write+0x7b/0x90 [ 43.987340][ T467] do_syscall_64+0x34/0x70 [ 43.991727][ T467] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.997590][ T467] RIP: 0033:0x7f3bb1be00e9 [ 44.002061][ T467] 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 [ 44.021644][ T467] RSP: 002b:00007f3bb1b56168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.030038][ T467] RAX: ffffffffffffffda RBX: 00007f3bb1cf2f60 RCX: 00007f3bb1be00e9 [ 44.037982][ T467] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.045923][ T467] RBP: 00007f3bb1b561d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.053868][ T467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.061829][ T467] R13: 00007fff1db9f33f R14: 00007f3bb1b56300 R15: 0000000000022000 [ 44.076268][ T467] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.108974][ T480] FAULT_INJECTION: forcing a failure. [ 44.108974][ T480] name failslab, interval 1, probability 0, space 0, times 0 [ 44.122045][ T480] CPU: 1 PID: 480 Comm: syz-executor.5 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.132777][ T480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.142811][ T480] Call Trace: [ 44.146076][ T480] dump_stack_lvl+0x1e2/0x24b [ 44.150725][ T480] ? panic+0x7d7/0x7d7 [ 44.154764][ T480] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.160190][ T480] ? selinux_kernfs_init_security+0x1a8/0x760 [ 44.166231][ T480] dump_stack+0x15/0x17 [ 44.170358][ T480] should_fail+0x3c0/0x510 [ 44.174747][ T480] __should_failslab+0x9f/0xe0 [ 44.179485][ T480] should_failslab+0x9/0x20 [ 44.183957][ T480] kmem_cache_alloc+0x3f/0x300 [ 44.188690][ T480] ? __kernfs_new_node+0xdb/0x6e0 [ 44.193680][ T480] __kernfs_new_node+0xdb/0x6e0 [ 44.198509][ T480] ? is_module_text_address+0xe1/0x140 [ 44.203941][ T480] ? kernfs_new_node+0x170/0x170 [ 44.208934][ T480] ? ptr_to_hashval+0x60/0x60 [ 44.213578][ T480] ? arch_stack_walk+0xf8/0x140 [ 44.218397][ T480] ? snprintf+0xd6/0x120 [ 44.222616][ T480] kernfs_new_node+0x97/0x170 [ 44.227268][ T480] __kernfs_create_file+0x4a/0x270 [ 44.232390][ T480] cgroup_addrm_files+0xab8/0xfe0 [ 44.237416][ T480] ? ____kasan_kmalloc+0xdc/0x110 [ 44.242415][ T480] ? __kasan_kmalloc+0x9/0x10 [ 44.247071][ T480] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 44.252602][ T480] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 44.258726][ T480] ? delete_node+0x759/0x7b0 [ 44.263287][ T480] ? __kasan_check_read+0x11/0x20 [ 44.268293][ T480] ? delete_node+0x759/0x7b0 [ 44.272860][ T480] ? __kasan_check_write+0x14/0x20 [ 44.277940][ T480] ? idr_replace+0x1c4/0x230 [ 44.282500][ T480] ? idr_get_next+0x4b0/0x4b0 [ 44.287148][ T480] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 44.292137][ T480] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 44.297330][ T480] css_populate_dir+0x137/0x370 [ 44.302427][ T480] cgroup_apply_control_enable+0x8b9/0x12f0 [ 44.308300][ T480] cgroup_apply_control+0x93/0x710 [ 44.313482][ T480] ? css_next_child+0x160/0x160 [ 44.318305][ T480] ? io_schedule+0x120/0x120 [ 44.322864][ T480] ? kernfs_fop_write_iter+0x15e/0x410 [ 44.328293][ T480] ? __kasan_check_write+0x14/0x20 [ 44.333371][ T480] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.338640][ T480] cgroup_subtree_control_write+0xd19/0x1310 [ 44.344603][ T480] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.350564][ T480] ? __kasan_check_write+0x14/0x20 [ 44.355648][ T480] ? _copy_from_iter+0x3fb/0xd60 [ 44.360558][ T480] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.366522][ T480] cgroup_file_write+0x28e/0x590 [ 44.371449][ T480] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.376534][ T480] ? mutex_lock+0xa6/0x110 [ 44.380921][ T480] ? mutex_trylock+0xb0/0xb0 [ 44.385487][ T480] ? __kasan_check_write+0x14/0x20 [ 44.390574][ T480] kernfs_fop_write_iter+0x2d0/0x410 [ 44.395832][ T480] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.400921][ T480] vfs_write+0xc1c/0xf40 [ 44.405135][ T480] ? kernel_write+0x3c0/0x3c0 [ 44.409781][ T480] ? mutex_trylock+0xb0/0xb0 [ 44.414341][ T480] ? __fdget_pos+0x26d/0x310 [ 44.418914][ T480] ? ksys_write+0x77/0x2c0 [ 44.423304][ T480] ksys_write+0x198/0x2c0 [ 44.427615][ T480] ? __ia32_sys_read+0x90/0x90 [ 44.432351][ T480] ? debug_smp_processor_id+0x17/0x20 [ 44.437693][ T480] __x64_sys_write+0x7b/0x90 [ 44.442259][ T480] do_syscall_64+0x34/0x70 [ 44.446651][ T480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.452603][ T480] RIP: 0033:0x7f88dac190e9 [ 44.456987][ T480] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.476566][ T480] RSP: 002b:00007f88dab8f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.485043][ T480] RAX: ffffffffffffffda RBX: 00007f88dad2bf60 RCX: 00007f88dac190e9 [ 44.492985][ T480] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.500926][ T480] RBP: 00007f88dab8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.508865][ T480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.516805][ T480] R13: 00007fff0d22429f R14: 00007f88dab8f300 R15: 0000000000022000 [ 44.535569][ T480] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.565751][ T479] FAULT_INJECTION: forcing a failure. [ 44.565751][ T479] name failslab, interval 1, probability 0, space 0, times 0 [ 44.578390][ T479] CPU: 1 PID: 479 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.589123][ T479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.599240][ T479] Call Trace: [ 44.602529][ T479] dump_stack_lvl+0x1e2/0x24b [ 44.607192][ T479] ? panic+0x7d7/0x7d7 [ 44.611243][ T479] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.616674][ T479] ? selinux_kernfs_init_security+0x1a8/0x760 [ 44.622710][ T479] dump_stack+0x15/0x17 [ 44.626850][ T479] should_fail+0x3c0/0x510 [ 44.631250][ T479] __should_failslab+0x9f/0xe0 [ 44.635993][ T479] should_failslab+0x9/0x20 [ 44.640467][ T479] kmem_cache_alloc+0x3f/0x300 [ 44.645202][ T479] ? __kernfs_new_node+0xdb/0x6e0 [ 44.650197][ T479] __kernfs_new_node+0xdb/0x6e0 [ 44.655454][ T479] ? is_module_text_address+0xe1/0x140 [ 44.660881][ T479] ? kernfs_new_node+0x170/0x170 [ 44.665785][ T479] ? ptr_to_hashval+0x60/0x60 [ 44.670775][ T479] ? arch_stack_walk+0xf8/0x140 [ 44.675595][ T479] ? snprintf+0xd6/0x120 [ 44.679810][ T479] kernfs_new_node+0x97/0x170 [ 44.684456][ T479] __kernfs_create_file+0x4a/0x270 [ 44.689543][ T479] cgroup_addrm_files+0xab8/0xfe0 [ 44.694538][ T479] ? ____kasan_kmalloc+0xdc/0x110 [ 44.699529][ T479] ? __kasan_kmalloc+0x9/0x10 [ 44.704177][ T479] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 44.709689][ T479] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 44.715811][ T479] ? delete_node+0x759/0x7b0 [ 44.720366][ T479] ? __kasan_check_read+0x11/0x20 [ 44.725356][ T479] ? delete_node+0x759/0x7b0 [ 44.729915][ T479] ? __kasan_check_write+0x14/0x20 [ 44.734993][ T479] ? idr_replace+0x1c4/0x230 [ 44.739550][ T479] ? idr_get_next+0x4b0/0x4b0 [ 44.744204][ T479] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 44.749195][ T479] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 44.754361][ T479] css_populate_dir+0x137/0x370 [ 44.759181][ T479] cgroup_apply_control_enable+0x8b9/0x12f0 [ 44.765044][ T479] cgroup_apply_control+0x93/0x710 [ 44.770133][ T479] ? css_next_child+0x160/0x160 [ 44.774956][ T479] ? io_schedule+0x120/0x120 [ 44.779524][ T479] ? kernfs_fop_write_iter+0x15e/0x410 [ 44.784953][ T479] ? __kasan_check_write+0x14/0x20 [ 44.790045][ T479] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.795305][ T479] cgroup_subtree_control_write+0xd19/0x1310 [ 44.801262][ T479] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.807226][ T479] ? __kasan_check_write+0x14/0x20 [ 44.812308][ T479] ? _copy_from_iter+0x3fb/0xd60 [ 44.817222][ T479] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.823167][ T479] cgroup_file_write+0x28e/0x590 [ 44.828072][ T479] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.833151][ T479] ? mutex_lock+0xa6/0x110 [ 44.837549][ T479] ? mutex_trylock+0xb0/0xb0 [ 44.842107][ T479] ? __kasan_check_write+0x14/0x20 [ 44.847185][ T479] kernfs_fop_write_iter+0x2d0/0x410 [ 44.852441][ T479] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.857544][ T479] vfs_write+0xc1c/0xf40 [ 44.861768][ T479] ? kernel_write+0x3c0/0x3c0 [ 44.866429][ T479] ? mutex_trylock+0xb0/0xb0 [ 44.871096][ T479] ? __fdget_pos+0x26d/0x310 [ 44.875682][ T479] ? ksys_write+0x77/0x2c0 [ 44.880076][ T479] ksys_write+0x198/0x2c0 [ 44.884376][ T479] ? __ia32_sys_read+0x90/0x90 [ 44.889117][ T479] ? debug_smp_processor_id+0x17/0x20 [ 44.894464][ T479] __x64_sys_write+0x7b/0x90 [ 44.899032][ T479] do_syscall_64+0x34/0x70 [ 44.903419][ T479] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.909281][ T479] RIP: 0033:0x7f3bb1be00e9 [ 44.913665][ T479] 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 [ 44.933238][ T479] RSP: 002b:00007f3bb1b56168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.941619][ T479] RAX: ffffffffffffffda RBX: 00007f3bb1cf2f60 RCX: 00007f3bb1be00e9 [ 44.949561][ T479] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.957502][ T479] RBP: 00007f3bb1b561d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.965442][ T479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.973384][ T479] R13: 00007fff1db9f33f R14: 00007f3bb1b56300 R15: 0000000000022000 [ 44.982619][ T479] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.005373][ T486] FAULT_INJECTION: forcing a failure. [ 45.005373][ T486] name failslab, interval 1, probability 0, space 0, times 0 [ 45.017999][ T486] CPU: 0 PID: 486 Comm: syz-executor.1 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.028732][ T486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.038765][ T486] Call Trace: [ 45.042032][ T486] dump_stack_lvl+0x1e2/0x24b [ 45.046696][ T486] ? panic+0x7d7/0x7d7 [ 45.050735][ T486] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.056161][ T486] ? selinux_kernfs_init_security+0x1a8/0x760 [ 45.062201][ T486] dump_stack+0x15/0x17 [ 45.066329][ T486] should_fail+0x3c0/0x510 [ 45.070743][ T486] __should_failslab+0x9f/0xe0 [ 45.075482][ T486] should_failslab+0x9/0x20 [ 45.079957][ T486] kmem_cache_alloc+0x3f/0x300 [ 45.084696][ T486] ? __kernfs_new_node+0xdb/0x6e0 [ 45.089690][ T486] __kernfs_new_node+0xdb/0x6e0 [ 45.094520][ T486] ? is_module_text_address+0xe1/0x140 [ 45.099959][ T486] ? kernfs_new_node+0x170/0x170 [ 45.104868][ T486] ? ptr_to_hashval+0x60/0x60 [ 45.109516][ T486] ? arch_stack_walk+0xf8/0x140 [ 45.114341][ T486] ? snprintf+0xd6/0x120 [ 45.118558][ T486] kernfs_new_node+0x97/0x170 [ 45.123203][ T486] __kernfs_create_file+0x4a/0x270 [ 45.128292][ T486] cgroup_addrm_files+0xab8/0xfe0 [ 45.133295][ T486] ? ____kasan_kmalloc+0xdc/0x110 [ 45.138285][ T486] ? __kasan_kmalloc+0x9/0x10 [ 45.142938][ T486] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 45.148455][ T486] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 45.154599][ T486] ? delete_node+0x759/0x7b0 [ 45.159184][ T486] ? __kasan_check_read+0x11/0x20 [ 45.164182][ T486] ? delete_node+0x759/0x7b0 [ 45.168750][ T486] ? __kasan_check_write+0x14/0x20 [ 45.173837][ T486] ? idr_replace+0x1c4/0x230 [ 45.178401][ T486] ? idr_get_next+0x4b0/0x4b0 [ 45.183062][ T486] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 45.188072][ T486] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 45.193244][ T486] css_populate_dir+0x137/0x370 [ 45.198065][ T486] cgroup_apply_control_enable+0x8b9/0x12f0 [ 45.204020][ T486] cgroup_apply_control+0x93/0x710 [ 45.209109][ T486] ? css_next_child+0x160/0x160 [ 45.213938][ T486] ? io_schedule+0x120/0x120 [ 45.218517][ T486] ? kernfs_fop_write_iter+0x15e/0x410 [ 45.223953][ T486] ? __kasan_check_write+0x14/0x20 [ 45.229044][ T486] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.234315][ T486] cgroup_subtree_control_write+0xd19/0x1310 [ 45.240267][ T486] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.246230][ T486] ? __kasan_check_write+0x14/0x20 [ 45.251313][ T486] ? _copy_from_iter+0x3fb/0xd60 [ 45.256223][ T486] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.262184][ T486] cgroup_file_write+0x28e/0x590 [ 45.267104][ T486] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.272188][ T486] ? mutex_lock+0xa6/0x110 [ 45.276576][ T486] ? mutex_trylock+0xb0/0xb0 [ 45.281139][ T486] ? __kasan_check_write+0x14/0x20 [ 45.286224][ T486] kernfs_fop_write_iter+0x2d0/0x410 [ 45.291484][ T486] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.296579][ T486] vfs_write+0xc1c/0xf40 [ 45.300790][ T486] ? kernel_write+0x3c0/0x3c0 [ 45.305436][ T486] ? mutex_trylock+0xb0/0xb0 [ 45.310012][ T486] ? __fdget_pos+0x26d/0x310 [ 45.314669][ T486] ? ksys_write+0x77/0x2c0 [ 45.319061][ T486] ksys_write+0x198/0x2c0 [ 45.323362][ T486] ? __ia32_sys_read+0x90/0x90 [ 45.328109][ T486] ? debug_smp_processor_id+0x17/0x20 [ 45.333456][ T486] __x64_sys_write+0x7b/0x90 [ 45.338019][ T486] do_syscall_64+0x34/0x70 [ 45.342409][ T486] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.348376][ T486] RIP: 0033:0x7f42e58690e9 [ 45.352824][ 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 [ 45.372413][ T486] RSP: 002b:00007f42e57be168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.380800][ T486] RAX: ffffffffffffffda RBX: 00007f42e597c030 RCX: 00007f42e58690e9 [ 45.388846][ T486] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.396795][ T486] RBP: 00007f42e57be1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.404750][ T486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.412703][ T486] R13: 00007ffd9450a68f R14: 00007f42e57be300 R15: 0000000000022000 [ 45.421222][ T486] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.455312][ T487] FAULT_INJECTION: forcing a failure. [ 45.455312][ T487] name failslab, interval 1, probability 0, space 0, times 0 [ 45.467955][ T487] CPU: 0 PID: 487 Comm: syz-executor.4 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.478677][ T487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.488704][ T487] Call Trace: [ 45.491967][ T487] dump_stack_lvl+0x1e2/0x24b [ 45.496702][ T487] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.502139][ T487] ? selinux_kernfs_init_security+0x1a8/0x760 [ 45.508174][ T487] dump_stack+0x15/0x17 [ 45.512302][ T487] should_fail+0x3c0/0x510 [ 45.516697][ T487] ? __kernfs_new_node+0x99/0x6e0 [ 45.521962][ T487] __should_failslab+0x9f/0xe0 [ 45.526702][ T487] should_failslab+0x9/0x20 [ 45.531205][ T487] __kmalloc_track_caller+0x5f/0x350 [ 45.536487][ T487] kstrdup_const+0x55/0x90 [ 45.540882][ T487] __kernfs_new_node+0x99/0x6e0 [ 45.545713][ T487] ? is_module_text_address+0xe1/0x140 [ 45.551163][ T487] ? kernfs_new_node+0x170/0x170 [ 45.556080][ T487] ? ptr_to_hashval+0x60/0x60 [ 45.560747][ T487] ? arch_stack_walk+0xf8/0x140 [ 45.565576][ T487] ? snprintf+0xd6/0x120 [ 45.569801][ T487] kernfs_new_node+0x97/0x170 [ 45.574456][ T487] __kernfs_create_file+0x4a/0x270 [ 45.579543][ T487] cgroup_addrm_files+0xab8/0xfe0 [ 45.584642][ T487] ? ____kasan_kmalloc+0xdc/0x110 [ 45.589751][ T487] ? __kasan_kmalloc+0x9/0x10 [ 45.594396][ T487] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 45.600370][ T487] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 45.606509][ T487] ? delete_node+0x759/0x7b0 [ 45.611094][ T487] ? __kasan_check_read+0x11/0x20 [ 45.616099][ T487] ? delete_node+0x759/0x7b0 [ 45.620664][ T487] ? __kasan_check_write+0x14/0x20 [ 45.625760][ T487] ? idr_replace+0x1c4/0x230 [ 45.630337][ T487] ? idr_get_next+0x4b0/0x4b0 [ 45.634990][ T487] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 45.639997][ T487] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 45.645164][ T487] css_populate_dir+0x137/0x370 [ 45.649993][ T487] cgroup_apply_control_enable+0x8b9/0x12f0 [ 45.655856][ T487] cgroup_apply_control+0x93/0x710 [ 45.660957][ T487] ? css_next_child+0x160/0x160 [ 45.665813][ T487] ? io_schedule+0x120/0x120 [ 45.670379][ T487] ? kernfs_fop_write_iter+0x15e/0x410 [ 45.675807][ T487] ? __kasan_check_write+0x14/0x20 [ 45.680889][ T487] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.686150][ T487] cgroup_subtree_control_write+0xd19/0x1310 [ 45.692123][ T487] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.698077][ T487] ? __kasan_check_write+0x14/0x20 [ 45.703160][ T487] ? _copy_from_iter+0x3fb/0xd60 [ 45.708071][ T487] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.714024][ T487] cgroup_file_write+0x28e/0x590 [ 45.718935][ T487] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.724013][ T487] ? mutex_lock+0xa6/0x110 [ 45.728410][ T487] ? mutex_trylock+0xb0/0xb0 [ 45.732974][ T487] ? __kasan_check_write+0x14/0x20 [ 45.738322][ T487] kernfs_fop_write_iter+0x2d0/0x410 [ 45.743581][ T487] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.748664][ T487] vfs_write+0xc1c/0xf40 [ 45.752876][ T487] ? kernel_write+0x3c0/0x3c0 [ 45.757527][ T487] ? mutex_trylock+0xb0/0xb0 [ 45.762085][ T487] ? __fdget_pos+0x26d/0x310 [ 45.766641][ T487] ? ksys_write+0x77/0x2c0 [ 45.771034][ T487] ksys_write+0x198/0x2c0 [ 45.775361][ T487] ? __ia32_sys_read+0x90/0x90 [ 45.780096][ T487] ? debug_smp_processor_id+0x17/0x20 [ 45.785454][ T487] __x64_sys_write+0x7b/0x90 [ 45.790020][ T487] do_syscall_64+0x34/0x70 [ 45.794411][ T487] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.800272][ T487] RIP: 0033:0x7f8f3f44a0e9 [ 45.804655][ T487] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.824239][ T487] RSP: 002b:00007f8f3f39f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.832715][ T487] RAX: ffffffffffffffda RBX: 00007f8f3f55d030 RCX: 00007f8f3f44a0e9 [ 45.840663][ T487] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.848618][ T487] RBP: 00007f8f3f39f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.856567][ T487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.864512][ T487] R13: 00007fffad9181cf R14: 00007f8f3f39f300 R15: 0000000000022000 [ 45.874389][ T487] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.895356][ T494] FAULT_INJECTION: forcing a failure. [ 45.895356][ T494] name failslab, interval 1, probability 0, space 0, times 0 [ 45.908072][ T494] CPU: 0 PID: 494 Comm: syz-executor.5 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.918813][ T494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.928839][ T494] Call Trace: [ 45.932102][ T494] dump_stack_lvl+0x1e2/0x24b [ 45.936747][ T494] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.942174][ T494] ? selinux_kernfs_init_security+0x1a8/0x760 [ 45.948218][ T494] dump_stack+0x15/0x17 [ 45.952349][ T494] should_fail+0x3c0/0x510 [ 45.956733][ T494] ? __kernfs_new_node+0x99/0x6e0 [ 45.961728][ T494] __should_failslab+0x9f/0xe0 [ 45.966463][ T494] should_failslab+0x9/0x20 [ 45.970943][ T494] __kmalloc_track_caller+0x5f/0x350 [ 45.976205][ T494] kstrdup_const+0x55/0x90 [ 45.980605][ T494] __kernfs_new_node+0x99/0x6e0 [ 45.985520][ T494] ? is_module_text_address+0xe1/0x140 [ 45.990951][ T494] ? kernfs_new_node+0x170/0x170 [ 45.995865][ T494] ? ptr_to_hashval+0x60/0x60 [ 46.000515][ T494] ? arch_stack_walk+0xf8/0x140 [ 46.005342][ T494] ? snprintf+0xd6/0x120 [ 46.009563][ T494] kernfs_new_node+0x97/0x170 [ 46.014211][ T494] __kernfs_create_file+0x4a/0x270 [ 46.019300][ T494] cgroup_addrm_files+0xab8/0xfe0 [ 46.024294][ T494] ? ____kasan_kmalloc+0xdc/0x110 [ 46.029286][ T494] ? __kasan_kmalloc+0x9/0x10 [ 46.033933][ T494] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 46.039448][ T494] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 46.045572][ T494] ? delete_node+0x759/0x7b0 [ 46.050137][ T494] ? __kasan_check_read+0x11/0x20 [ 46.055129][ T494] ? delete_node+0x759/0x7b0 [ 46.059695][ T494] ? __kasan_check_write+0x14/0x20 [ 46.064773][ T494] ? idr_replace+0x1c4/0x230 [ 46.069341][ T494] ? idr_get_next+0x4b0/0x4b0 [ 46.074000][ T494] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 46.078994][ T494] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 46.084167][ T494] css_populate_dir+0x137/0x370 [ 46.088995][ T494] cgroup_apply_control_enable+0x8b9/0x12f0 [ 46.094869][ T494] cgroup_apply_control+0x93/0x710 [ 46.099946][ T494] ? css_next_child+0x160/0x160 [ 46.105053][ T494] ? release_task_stack+0x4c2/0x660 [ 46.110223][ T494] ? io_schedule+0x120/0x120 [ 46.114787][ T494] ? kernfs_fop_write_iter+0x15e/0x410 [ 46.120219][ T494] ? __kasan_check_write+0x14/0x20 [ 46.125304][ T494] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 46.130563][ T494] cgroup_subtree_control_write+0xd19/0x1310 [ 46.136532][ T494] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.142481][ T494] ? __kasan_check_write+0x14/0x20 [ 46.147563][ T494] ? _copy_from_iter+0x3fb/0xd60 [ 46.152470][ T494] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.158420][ T494] cgroup_file_write+0x28e/0x590 [ 46.163329][ T494] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.168414][ T494] ? mutex_lock+0xa6/0x110 [ 46.172831][ T494] ? mutex_trylock+0xb0/0xb0 [ 46.177401][ T494] ? __kasan_check_write+0x14/0x20 [ 46.182480][ T494] kernfs_fop_write_iter+0x2d0/0x410 [ 46.187746][ T494] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.192832][ T494] vfs_write+0xc1c/0xf40 [ 46.197056][ T494] ? kernel_write+0x3c0/0x3c0 [ 46.201707][ T494] ? mutex_trylock+0xb0/0xb0 [ 46.206269][ T494] ? __fdget_pos+0x26d/0x310 [ 46.210827][ T494] ? ksys_write+0x77/0x2c0 [ 46.215257][ T494] ksys_write+0x198/0x2c0 [ 46.219563][ T494] ? __ia32_sys_read+0x90/0x90 [ 46.224312][ T494] ? debug_smp_processor_id+0x17/0x20 [ 46.229667][ T494] __x64_sys_write+0x7b/0x90 [ 46.234229][ T494] do_syscall_64+0x34/0x70 [ 46.238623][ T494] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.244483][ T494] RIP: 0033:0x7f88dac190e9 [ 46.248873][ T494] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 2022/05/23 20:01:37 executed programs: 20 [ 46.268449][ T494] RSP: 002b:00007f88dab6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.276848][ T494] RAX: ffffffffffffffda RBX: 00007f88dad2c030 RCX: 00007f88dac190e9 [ 46.284798][ T494] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.292756][ T494] RBP: 00007f88dab6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.300703][ T494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.308652][ T494] R13: 00007fff0d22429f R14: 00007f88dab6e300 R15: 0000000000022000 [ 46.317926][ T494] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.355170][ T493] FAULT_INJECTION: forcing a failure. [ 46.355170][ T493] name failslab, interval 1, probability 0, space 0, times 0 [ 46.367870][ T493] CPU: 0 PID: 493 Comm: syz-executor.3 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.378595][ T493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.388817][ T493] Call Trace: [ 46.392094][ T493] dump_stack_lvl+0x1e2/0x24b [ 46.396746][ T493] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.402280][ T493] ? selinux_kernfs_init_security+0x1a8/0x760 [ 46.408317][ T493] dump_stack+0x15/0x17 [ 46.412483][ T493] should_fail+0x3c0/0x510 [ 46.417147][ T493] ? __kernfs_new_node+0x99/0x6e0 [ 46.422154][ T493] __should_failslab+0x9f/0xe0 [ 46.426899][ T493] should_failslab+0x9/0x20 [ 46.431383][ T493] __kmalloc_track_caller+0x5f/0x350 [ 46.436643][ T493] kstrdup_const+0x55/0x90 [ 46.441157][ T493] __kernfs_new_node+0x99/0x6e0 [ 46.446073][ T493] ? is_module_text_address+0xe1/0x140 [ 46.451506][ T493] ? kernfs_new_node+0x170/0x170 [ 46.456417][ T493] ? ptr_to_hashval+0x60/0x60 [ 46.461071][ T493] ? arch_stack_walk+0xf8/0x140 [ 46.465908][ T493] ? snprintf+0xd6/0x120 [ 46.470136][ T493] kernfs_new_node+0x97/0x170 [ 46.474786][ T493] __kernfs_create_file+0x4a/0x270 [ 46.479875][ T493] cgroup_addrm_files+0xab8/0xfe0 [ 46.484880][ T493] ? ____kasan_kmalloc+0xdc/0x110 [ 46.489882][ T493] ? __kasan_kmalloc+0x9/0x10 [ 46.494537][ T493] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 46.500060][ T493] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 46.506188][ T493] ? delete_node+0x759/0x7b0 [ 46.510751][ T493] ? __kasan_check_read+0x11/0x20 [ 46.515748][ T493] ? delete_node+0x759/0x7b0 [ 46.520330][ T493] ? __kasan_check_write+0x14/0x20 [ 46.525421][ T493] ? idr_replace+0x1c4/0x230 [ 46.529984][ T493] ? idr_get_next+0x4b0/0x4b0 [ 46.534640][ T493] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 46.539657][ T493] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 46.544834][ T493] css_populate_dir+0x137/0x370 [ 46.549662][ T493] cgroup_apply_control_enable+0x8b9/0x12f0 [ 46.555629][ T493] cgroup_apply_control+0x93/0x710 [ 46.560719][ T493] ? css_next_child+0x160/0x160 [ 46.565562][ T493] ? release_task_stack+0x56a/0x660 [ 46.570741][ T493] ? io_schedule+0x120/0x120 [ 46.575305][ T493] ? kernfs_fop_write_iter+0x15e/0x410 [ 46.580737][ T493] ? __kasan_check_write+0x14/0x20 [ 46.585906][ T493] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 46.591165][ T493] cgroup_subtree_control_write+0xd19/0x1310 [ 46.597116][ T493] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.603158][ T493] ? __kasan_check_write+0x14/0x20 [ 46.608240][ T493] ? _copy_from_iter+0x3fb/0xd60 [ 46.613164][ T493] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.619113][ T493] cgroup_file_write+0x28e/0x590 [ 46.624020][ T493] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.629193][ T493] ? mutex_lock+0xa6/0x110 [ 46.633579][ T493] ? mutex_trylock+0xb0/0xb0 [ 46.638140][ T493] ? __kasan_check_write+0x14/0x20 [ 46.643227][ T493] kernfs_fop_write_iter+0x2d0/0x410 [ 46.648482][ T493] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.653563][ T493] vfs_write+0xc1c/0xf40 [ 46.657778][ T493] ? kernel_write+0x3c0/0x3c0 [ 46.662432][ T493] ? mutex_trylock+0xb0/0xb0 [ 46.666994][ T493] ? __fdget_pos+0x26d/0x310 [ 46.671561][ T493] ? ksys_write+0x77/0x2c0 [ 46.675948][ T493] ksys_write+0x198/0x2c0 [ 46.680250][ T493] ? __ia32_sys_read+0x90/0x90 [ 46.684988][ T493] ? debug_smp_processor_id+0x17/0x20 [ 46.690335][ T493] __x64_sys_write+0x7b/0x90 [ 46.694897][ T493] do_syscall_64+0x34/0x70 [ 46.699285][ T493] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.705155][ T493] RIP: 0033:0x7f7f4f5980e9 [ 46.709545][ 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 [ 46.729211][ T493] RSP: 002b:00007f7f4f4ed168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.737597][ T493] RAX: ffffffffffffffda RBX: 00007f7f4f6ab030 RCX: 00007f7f4f5980e9 [ 46.745541][ T493] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.753507][ T493] RBP: 00007f7f4f4ed1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.761454][ T493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.769399][ T493] R13: 00007fffbc676bbf R14: 00007f7f4f4ed300 R15: 0000000000022000 [ 46.777887][ T493] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.845159][ T501] FAULT_INJECTION: forcing a failure. [ 46.845159][ T501] name failslab, interval 1, probability 0, space 0, times 0 [ 46.857855][ T501] CPU: 0 PID: 501 Comm: syz-executor.4 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.868600][ T501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.878720][ T501] Call Trace: [ 46.881994][ T501] dump_stack_lvl+0x1e2/0x24b [ 46.886641][ T501] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.892071][ T501] ? selinux_kernfs_init_security+0x1a8/0x760 [ 46.898207][ T501] dump_stack+0x15/0x17 [ 46.902341][ T501] should_fail+0x3c0/0x510 [ 46.906740][ T501] ? __kernfs_new_node+0x99/0x6e0 [ 46.911733][ T501] __should_failslab+0x9f/0xe0 [ 46.916477][ T501] should_failslab+0x9/0x20 [ 46.920952][ T501] __kmalloc_track_caller+0x5f/0x350 [ 46.926207][ T501] kstrdup_const+0x55/0x90 [ 46.930600][ T501] __kernfs_new_node+0x99/0x6e0 [ 46.935417][ T501] ? is_module_text_address+0xe1/0x140 [ 46.940850][ T501] ? kernfs_new_node+0x170/0x170 [ 46.945756][ T501] ? ptr_to_hashval+0x60/0x60 [ 46.950406][ T501] ? arch_stack_walk+0xf8/0x140 [ 46.955229][ T501] ? snprintf+0xd6/0x120 [ 46.959448][ T501] kernfs_new_node+0x97/0x170 [ 46.964089][ T501] __kernfs_create_file+0x4a/0x270 [ 46.969179][ T501] cgroup_addrm_files+0xab8/0xfe0 [ 46.974183][ T501] ? ____kasan_kmalloc+0xdc/0x110 [ 46.979189][ T501] ? __kasan_kmalloc+0x9/0x10 [ 46.983859][ T501] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 46.989383][ T501] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 46.995522][ T501] ? delete_node+0x759/0x7b0 [ 47.000086][ T501] ? __kasan_check_read+0x11/0x20 [ 47.005077][ T501] ? delete_node+0x759/0x7b0 [ 47.009636][ T501] ? __kasan_check_write+0x14/0x20 [ 47.014720][ T501] ? idr_replace+0x1c4/0x230 [ 47.019285][ T501] ? idr_get_next+0x4b0/0x4b0 [ 47.023939][ T501] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 47.028950][ T501] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 47.034140][ T501] css_populate_dir+0x137/0x370 [ 47.038967][ T501] cgroup_apply_control_enable+0x8b9/0x12f0 [ 47.044846][ T501] cgroup_apply_control+0x93/0x710 [ 47.049940][ T501] ? css_next_child+0x160/0x160 [ 47.054762][ T501] ? io_schedule+0x120/0x120 [ 47.059324][ T501] ? kernfs_fop_write_iter+0x15e/0x410 [ 47.064771][ T501] ? __kasan_check_write+0x14/0x20 [ 47.069862][ T501] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 47.075117][ T501] cgroup_subtree_control_write+0xd19/0x1310 [ 47.081071][ T501] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.087204][ T501] ? __kasan_check_write+0x14/0x20 [ 47.092289][ T501] ? _copy_from_iter+0x3fb/0xd60 [ 47.097292][ T501] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.103245][ T501] cgroup_file_write+0x28e/0x590 [ 47.108159][ T501] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.113242][ T501] ? mutex_lock+0xa6/0x110 [ 47.117643][ T501] ? mutex_trylock+0xb0/0xb0 [ 47.122228][ T501] ? __kasan_check_write+0x14/0x20 [ 47.127322][ T501] kernfs_fop_write_iter+0x2d0/0x410 [ 47.132579][ T501] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.137671][ T501] vfs_write+0xc1c/0xf40 [ 47.141973][ T501] ? kernel_write+0x3c0/0x3c0 [ 47.146638][ T501] ? mutex_trylock+0xb0/0xb0 [ 47.151215][ T501] ? __fdget_pos+0x26d/0x310 [ 47.155788][ T501] ? ksys_write+0x77/0x2c0 [ 47.160195][ T501] ksys_write+0x198/0x2c0 [ 47.164495][ T501] ? __ia32_sys_read+0x90/0x90 [ 47.169239][ T501] ? debug_smp_processor_id+0x17/0x20 [ 47.174586][ T501] __x64_sys_write+0x7b/0x90 [ 47.179147][ T501] do_syscall_64+0x34/0x70 [ 47.183545][ T501] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.189413][ T501] RIP: 0033:0x7f8f3f44a0e9 [ 47.193806][ T501] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.213391][ T501] RSP: 002b:00007f8f3f3c0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.221775][ T501] RAX: ffffffffffffffda RBX: 00007f8f3f55cf60 RCX: 00007f8f3f44a0e9 [ 47.229717][ T501] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.237665][ T501] RBP: 00007f8f3f3c01d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.245614][ T501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.253562][ T501] R13: 00007fffad9181cf R14: 00007f8f3f3c0300 R15: 0000000000022000 [ 47.262378][ T501] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.295557][ T499] FAULT_INJECTION: forcing a failure. [ 47.295557][ T499] name failslab, interval 1, probability 0, space 0, times 0 [ 47.308256][ T499] CPU: 0 PID: 499 Comm: syz-executor.1 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.319001][ T499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.329028][ T499] Call Trace: [ 47.332291][ T499] dump_stack_lvl+0x1e2/0x24b [ 47.336950][ T499] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.342391][ T499] ? selinux_kernfs_init_security+0x1a8/0x760 [ 47.348435][ T499] dump_stack+0x15/0x17 [ 47.352592][ T499] should_fail+0x3c0/0x510 [ 47.356984][ T499] ? __kernfs_new_node+0x99/0x6e0 [ 47.361977][ T499] __should_failslab+0x9f/0xe0 [ 47.366709][ T499] should_failslab+0x9/0x20 [ 47.371211][ T499] __kmalloc_track_caller+0x5f/0x350 [ 47.376475][ T499] kstrdup_const+0x55/0x90 [ 47.380858][ T499] __kernfs_new_node+0x99/0x6e0 [ 47.385676][ T499] ? is_module_text_address+0xe1/0x140 [ 47.391108][ T499] ? kernfs_new_node+0x170/0x170 [ 47.396023][ T499] ? ptr_to_hashval+0x60/0x60 [ 47.400673][ T499] ? arch_stack_walk+0xf8/0x140 [ 47.405493][ T499] ? snprintf+0xd6/0x120 [ 47.409709][ T499] kernfs_new_node+0x97/0x170 [ 47.414360][ T499] __kernfs_create_file+0x4a/0x270 [ 47.419540][ T499] cgroup_addrm_files+0xab8/0xfe0 [ 47.424535][ T499] ? ____kasan_kmalloc+0xdc/0x110 [ 47.429535][ T499] ? __kasan_kmalloc+0x9/0x10 [ 47.434184][ T499] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 47.439712][ T499] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 47.445853][ T499] ? delete_node+0x759/0x7b0 [ 47.450502][ T499] ? __kasan_check_read+0x11/0x20 [ 47.455492][ T499] ? delete_node+0x759/0x7b0 [ 47.460049][ T499] ? __kasan_check_write+0x14/0x20 [ 47.465137][ T499] ? idr_replace+0x1c4/0x230 [ 47.469705][ T499] ? idr_get_next+0x4b0/0x4b0 [ 47.474354][ T499] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 47.479348][ T499] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 47.484516][ T499] css_populate_dir+0x137/0x370 [ 47.489334][ T499] cgroup_apply_control_enable+0x8b9/0x12f0 [ 47.495203][ T499] cgroup_apply_control+0x93/0x710 [ 47.500283][ T499] ? css_next_child+0x160/0x160 [ 47.505108][ T499] ? io_schedule+0x120/0x120 [ 47.509760][ T499] ? kernfs_fop_write_iter+0x15e/0x410 [ 47.515189][ T499] ? __kasan_check_write+0x14/0x20 [ 47.520286][ T499] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 47.525551][ T499] cgroup_subtree_control_write+0xd19/0x1310 [ 47.531512][ T499] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.537465][ T499] ? __kasan_check_write+0x14/0x20 [ 47.542557][ T499] ? _copy_from_iter+0x3fb/0xd60 [ 47.547566][ T499] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.553539][ T499] cgroup_file_write+0x28e/0x590 [ 47.558569][ T499] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.563656][ T499] ? mutex_lock+0xa6/0x110 [ 47.568051][ T499] ? mutex_trylock+0xb0/0xb0 [ 47.572618][ T499] ? __kasan_check_write+0x14/0x20 [ 47.577703][ T499] kernfs_fop_write_iter+0x2d0/0x410 [ 47.582958][ T499] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.588042][ T499] vfs_write+0xc1c/0xf40 [ 47.592260][ T499] ? kernel_write+0x3c0/0x3c0 [ 47.596954][ T499] ? mutex_trylock+0xb0/0xb0 [ 47.601529][ T499] ? __fdget_pos+0x26d/0x310 [ 47.606097][ T499] ? ksys_write+0x77/0x2c0 [ 47.610493][ T499] ksys_write+0x198/0x2c0 [ 47.614820][ T499] ? __ia32_sys_read+0x90/0x90 [ 47.619581][ T499] ? debug_smp_processor_id+0x17/0x20 [ 47.624922][ T499] __x64_sys_write+0x7b/0x90 [ 47.629494][ T499] do_syscall_64+0x34/0x70 [ 47.633887][ T499] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.639749][ T499] RIP: 0033:0x7f42e58690e9 [ 47.644145][ 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 [ 47.663736][ T499] RSP: 002b:00007f42e57df168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.672212][ T499] RAX: ffffffffffffffda RBX: 00007f42e597bf60 RCX: 00007f42e58690e9 [ 47.680156][ T499] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.688100][ T499] RBP: 00007f42e57df1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.696047][ T499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.703989][ T499] R13: 00007ffd9450a68f R14: 00007f42e57df300 R15: 0000000000022000 [ 47.713423][ T499] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.714335][ T23] audit: type=1400 audit(1653336099.140:158): avc: denied { remove_name } for pid=143 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 [ 47.742920][ T23] audit: type=1400 audit(1653336099.150:159): avc: denied { rename } for pid=143 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 [ 47.765064][ T23] audit: type=1400 audit(1653336099.150:160): avc: denied { create } for pid=143 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 47.775155][ T473] FAULT_INJECTION: forcing a failure. [ 47.775155][ T473] name failslab, interval 1, probability 0, space 0, times 0 [ 47.798216][ T473] CPU: 0 PID: 473 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.808943][ T473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.818968][ T473] Call Trace: [ 47.822232][ T473] dump_stack_lvl+0x1e2/0x24b [ 47.826876][ T473] ? panic+0x7d7/0x7d7 [ 47.830911][ T473] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.836338][ T473] ? find_next_bit+0xd6/0x120 [ 47.840989][ T473] ? cpumask_next+0x11/0x30 [ 47.845484][ T473] dump_stack+0x15/0x17 [ 47.849612][ T473] should_fail+0x3c0/0x510 [ 47.854006][ T473] ? percpu_ref_init+0xd0/0x330 [ 47.858826][ T473] __should_failslab+0x9f/0xe0 [ 47.863558][ T473] should_failslab+0x9/0x20 [ 47.868555][ T473] kmem_cache_alloc_trace+0x3a/0x330 [ 47.873816][ T473] percpu_ref_init+0xd0/0x330 [ 47.878471][ T473] ? cgroup_setup_root+0xea0/0xea0 [ 47.883560][ T473] cgroup_apply_control_enable+0x3a2/0x12f0 [ 47.889431][ T473] cgroup_apply_control+0x93/0x710 [ 47.894509][ T473] ? css_next_child+0x160/0x160 [ 47.899327][ T473] ? io_schedule+0x120/0x120 [ 47.903883][ T473] ? kernfs_fop_write_iter+0x15e/0x410 [ 47.909315][ T473] ? __kasan_check_write+0x14/0x20 [ 47.914392][ T473] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 47.919643][ T473] cgroup_subtree_control_write+0xd19/0x1310 [ 47.925606][ T473] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.931639][ T473] ? __kasan_check_write+0x14/0x20 [ 47.936717][ T473] ? _copy_from_iter+0x3fb/0xd60 [ 47.941624][ T473] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.947575][ T473] cgroup_file_write+0x28e/0x590 [ 47.952480][ T473] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.957564][ T473] ? mutex_lock+0xa6/0x110 [ 47.961956][ T473] ? mutex_trylock+0xb0/0xb0 [ 47.966514][ T473] ? __kasan_check_write+0x14/0x20 [ 47.971593][ T473] kernfs_fop_write_iter+0x2d0/0x410 [ 47.976851][ T473] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.981955][ T473] vfs_write+0xc1c/0xf40 [ 47.986167][ T473] ? kernel_write+0x3c0/0x3c0 [ 47.990810][ T473] ? mutex_trylock+0xb0/0xb0 [ 47.995370][ T473] ? __fdget_pos+0x26d/0x310 [ 47.999934][ T473] ? ksys_write+0x77/0x2c0 [ 48.004319][ T473] ksys_write+0x198/0x2c0 [ 48.008615][ T473] ? __ia32_sys_read+0x90/0x90 [ 48.013355][ T473] ? debug_smp_processor_id+0x17/0x20 [ 48.018694][ T473] __x64_sys_write+0x7b/0x90 [ 48.023270][ T473] do_syscall_64+0x34/0x70 [ 48.027661][ T473] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.033520][ T473] RIP: 0033:0x7f0c7456d0e9 [ 48.037909][ T473] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.057496][ T473] RSP: 002b:00007f0c744c2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.065879][ T473] RAX: ffffffffffffffda RBX: 00007f0c74680030 RCX: 00007f0c7456d0e9 [ 48.073819][ T473] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.081845][ T473] RBP: 00007f0c744c21d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.089785][ T473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.097737][ T473] R13: 00007ffc9ba37b1f R14: 00007f0c744c2300 R15: 0000000000022000 [ 48.125082][ T497] FAULT_INJECTION: forcing a failure. [ 48.125082][ T497] name failslab, interval 1, probability 0, space 0, times 0 [ 48.137777][ T497] CPU: 0 PID: 497 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.148509][ T497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.158541][ T497] Call Trace: [ 48.161805][ T497] dump_stack_lvl+0x1e2/0x24b [ 48.166454][ T497] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.171883][ T497] ? selinux_kernfs_init_security+0x1a8/0x760 [ 48.177928][ T497] dump_stack+0x15/0x17 [ 48.182067][ T497] should_fail+0x3c0/0x510 [ 48.186454][ T497] ? __kernfs_new_node+0x99/0x6e0 [ 48.191446][ T497] __should_failslab+0x9f/0xe0 [ 48.196180][ T497] should_failslab+0x9/0x20 [ 48.200655][ T497] __kmalloc_track_caller+0x5f/0x350 [ 48.205908][ T497] kstrdup_const+0x55/0x90 [ 48.210290][ T497] __kernfs_new_node+0x99/0x6e0 [ 48.215113][ T497] ? is_module_text_address+0xe1/0x140 [ 48.220548][ T497] ? kernfs_new_node+0x170/0x170 [ 48.225457][ T497] ? ptr_to_hashval+0x60/0x60 [ 48.230103][ T497] ? arch_stack_walk+0xf8/0x140 [ 48.235008][ T497] ? snprintf+0xd6/0x120 [ 48.239226][ T497] kernfs_new_node+0x97/0x170 [ 48.243874][ T497] __kernfs_create_file+0x4a/0x270 [ 48.248956][ T497] cgroup_addrm_files+0xab8/0xfe0 [ 48.253948][ T497] ? ____kasan_kmalloc+0xdc/0x110 [ 48.258939][ T497] ? __kasan_kmalloc+0x9/0x10 [ 48.263582][ T497] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 48.269183][ T497] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 48.275302][ T497] ? delete_node+0x759/0x7b0 [ 48.279862][ T497] ? __kasan_check_read+0x11/0x20 [ 48.284862][ T497] ? delete_node+0x759/0x7b0 [ 48.289435][ T497] ? __kasan_check_write+0x14/0x20 [ 48.294530][ T497] ? idr_replace+0x1c4/0x230 [ 48.299099][ T497] ? idr_get_next+0x4b0/0x4b0 [ 48.303754][ T497] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 48.308758][ T497] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 48.313928][ T497] css_populate_dir+0x137/0x370 [ 48.318749][ T497] cgroup_apply_control_enable+0x8b9/0x12f0 [ 48.324619][ T497] cgroup_apply_control+0x93/0x710 [ 48.329703][ T497] ? css_next_child+0x160/0x160 [ 48.334532][ T497] ? io_schedule+0x120/0x120 [ 48.339145][ T497] ? __kasan_check_write+0x14/0x20 [ 48.344250][ T497] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.349528][ T497] cgroup_subtree_control_write+0xd19/0x1310 [ 48.355479][ T497] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.361430][ T497] ? __kasan_check_write+0x14/0x20 [ 48.366517][ T497] ? _copy_from_iter+0x3fb/0xd60 [ 48.371426][ T497] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.377381][ T497] cgroup_file_write+0x28e/0x590 [ 48.382308][ T497] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.387399][ T497] ? mutex_lock+0xa6/0x110 [ 48.391797][ T497] ? mutex_trylock+0xb0/0xb0 [ 48.396360][ T497] ? __kasan_check_write+0x14/0x20 [ 48.401447][ T497] kernfs_fop_write_iter+0x2d0/0x410 [ 48.406707][ T497] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.411793][ T497] vfs_write+0xc1c/0xf40 [ 48.416013][ T497] ? kernel_write+0x3c0/0x3c0 [ 48.420659][ T497] ? mutex_trylock+0xb0/0xb0 [ 48.425225][ T497] ? __fdget_pos+0x26d/0x310 [ 48.429877][ T497] ? ksys_write+0x77/0x2c0 [ 48.434272][ T497] ksys_write+0x198/0x2c0 [ 48.438591][ T497] ? __ia32_sys_read+0x90/0x90 [ 48.443335][ T497] ? debug_smp_processor_id+0x17/0x20 [ 48.448687][ T497] __x64_sys_write+0x7b/0x90 [ 48.453250][ T497] do_syscall_64+0x34/0x70 [ 48.457634][ T497] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.463505][ T497] RIP: 0033:0x7f3bb1be00e9 [ 48.467901][ T497] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.487579][ T497] RSP: 002b:00007f3bb1b35168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.495970][ T497] RAX: ffffffffffffffda RBX: 00007f3bb1cf3030 RCX: 00007f3bb1be00e9 [ 48.503928][ T497] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.511873][ T497] RBP: 00007f3bb1b351d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.519821][ T497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.527780][ T497] R13: 00007fff1db9f33f R14: 00007f3bb1b35300 R15: 0000000000022000 [ 48.537199][ T497] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.585179][ T516] FAULT_INJECTION: forcing a failure. [ 48.585179][ T516] name failslab, interval 1, probability 0, space 0, times 0 [ 48.597872][ T516] CPU: 0 PID: 516 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.608610][ T516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.618643][ T516] Call Trace: [ 48.621904][ T516] dump_stack_lvl+0x1e2/0x24b [ 48.626550][ T516] ? panic+0x7d7/0x7d7 [ 48.630598][ T516] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.636028][ T516] ? find_next_bit+0xd6/0x120 [ 48.640682][ T516] ? cpumask_next+0x11/0x30 [ 48.645243][ T516] dump_stack+0x15/0x17 [ 48.649373][ T516] should_fail+0x3c0/0x510 [ 48.653763][ T516] ? percpu_ref_init+0xd0/0x330 [ 48.658592][ T516] __should_failslab+0x9f/0xe0 [ 48.663341][ T516] should_failslab+0x9/0x20 [ 48.667834][ T516] kmem_cache_alloc_trace+0x3a/0x330 [ 48.673096][ T516] percpu_ref_init+0xd0/0x330 [ 48.677747][ T516] ? cgroup_setup_root+0xea0/0xea0 [ 48.682845][ T516] cgroup_apply_control_enable+0x3a2/0x12f0 [ 48.688709][ T516] cgroup_apply_control+0x93/0x710 [ 48.693790][ T516] ? css_next_child+0x160/0x160 [ 48.698610][ T516] ? io_schedule+0x120/0x120 [ 48.703167][ T516] ? kernfs_fop_write_iter+0x15e/0x410 [ 48.708596][ T516] ? __kasan_check_write+0x14/0x20 [ 48.713677][ T516] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.718936][ T516] cgroup_subtree_control_write+0xd19/0x1310 [ 48.724887][ T516] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.730843][ T516] ? __kasan_check_write+0x14/0x20 [ 48.735923][ T516] ? _copy_from_iter+0x3fb/0xd60 [ 48.740840][ T516] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.746803][ T516] cgroup_file_write+0x28e/0x590 [ 48.751720][ T516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.756803][ T516] ? mutex_lock+0xa6/0x110 [ 48.761191][ T516] ? mutex_trylock+0xb0/0xb0 [ 48.765752][ T516] ? __kasan_check_write+0x14/0x20 [ 48.770870][ T516] kernfs_fop_write_iter+0x2d0/0x410 [ 48.776143][ T516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.781235][ T516] vfs_write+0xc1c/0xf40 [ 48.785451][ T516] ? kernel_write+0x3c0/0x3c0 [ 48.790194][ T516] ? mutex_trylock+0xb0/0xb0 [ 48.794845][ T516] ? __fdget_pos+0x26d/0x310 [ 48.799401][ T516] ? ksys_write+0x77/0x2c0 [ 48.803786][ T516] ksys_write+0x198/0x2c0 [ 48.808085][ T516] ? __ia32_sys_read+0x90/0x90 [ 48.812832][ T516] ? debug_smp_processor_id+0x17/0x20 [ 48.818184][ T516] __x64_sys_write+0x7b/0x90 [ 48.822748][ T516] do_syscall_64+0x34/0x70 [ 48.827135][ T516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.832998][ T516] RIP: 0033:0x7f0c7456d0e9 [ 48.837383][ T516] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.856975][ T516] RSP: 002b:00007f0c744c2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.865377][ T516] RAX: ffffffffffffffda RBX: 00007f0c74680030 RCX: 00007f0c7456d0e9 [ 48.873324][ T516] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.881970][ T516] RBP: 00007f0c744c21d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.889921][ T516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.897880][ T516] R13: 00007ffc9ba37b1f R14: 00007f0c744c2300 R15: 0000000000022000 [ 48.945196][ T515] FAULT_INJECTION: forcing a failure. [ 48.945196][ T515] name failslab, interval 1, probability 0, space 0, times 0 [ 48.957875][ T515] CPU: 0 PID: 515 Comm: syz-executor.5 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.968613][ T515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.978642][ T515] Call Trace: [ 48.981910][ T515] dump_stack_lvl+0x1e2/0x24b [ 48.986561][ T515] ? panic+0x7d7/0x7d7 [ 48.990602][ T515] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.996048][ T515] ? find_next_bit+0xd6/0x120 [ 49.000698][ T515] ? cpumask_next+0x11/0x30 [ 49.005185][ T515] dump_stack+0x15/0x17 [ 49.009310][ T515] should_fail+0x3c0/0x510 [ 49.013696][ T515] ? percpu_ref_init+0xd0/0x330 [ 49.018520][ T515] __should_failslab+0x9f/0xe0 [ 49.023261][ T515] should_failslab+0x9/0x20 [ 49.027737][ T515] kmem_cache_alloc_trace+0x3a/0x330 [ 49.032994][ T515] percpu_ref_init+0xd0/0x330 [ 49.037655][ T515] ? cgroup_setup_root+0xea0/0xea0 [ 49.043012][ T515] cgroup_apply_control_enable+0x3a2/0x12f0 [ 49.048888][ T515] cgroup_apply_control+0x93/0x710 [ 49.053977][ T515] ? css_next_child+0x160/0x160 [ 49.058801][ T515] ? io_schedule+0x120/0x120 [ 49.063374][ T515] ? kernfs_fop_write_iter+0x15e/0x410 [ 49.068807][ T515] ? __kasan_check_write+0x14/0x20 [ 49.073892][ T515] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 49.079150][ T515] cgroup_subtree_control_write+0xd19/0x1310 [ 49.085130][ T515] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.091083][ T515] ? __kasan_check_write+0x14/0x20 [ 49.096174][ T515] ? _copy_from_iter+0x3fb/0xd60 [ 49.101083][ T515] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.107032][ T515] cgroup_file_write+0x28e/0x590 [ 49.111942][ T515] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.117198][ T515] ? mutex_lock+0xa6/0x110 [ 49.121597][ T515] ? mutex_trylock+0xb0/0xb0 [ 49.126160][ T515] ? __kasan_check_write+0x14/0x20 [ 49.131248][ T515] kernfs_fop_write_iter+0x2d0/0x410 [ 49.136504][ T515] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.141585][ T515] vfs_write+0xc1c/0xf40 [ 49.145798][ T515] ? kernel_write+0x3c0/0x3c0 [ 49.150446][ T515] ? mutex_trylock+0xb0/0xb0 [ 49.155014][ T515] ? __fdget_pos+0x26d/0x310 [ 49.159579][ T515] ? ksys_write+0x77/0x2c0 [ 49.163968][ T515] ksys_write+0x198/0x2c0 [ 49.168268][ T515] ? __ia32_sys_read+0x90/0x90 [ 49.173005][ T515] ? debug_smp_processor_id+0x17/0x20 [ 49.178348][ T515] __x64_sys_write+0x7b/0x90 [ 49.182915][ T515] do_syscall_64+0x34/0x70 [ 49.187301][ T515] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.193162][ T515] RIP: 0033:0x7f88dac190e9 [ 49.197549][ T515] 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 [ 49.217210][ T515] RSP: 002b:00007f88dab6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.225595][ T515] RAX: ffffffffffffffda RBX: 00007f88dad2c030 RCX: 00007f88dac190e9 [ 49.233540][ T515] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.241479][ T515] RBP: 00007f88dab6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.249426][ T515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.257371][ T515] R13: 00007fff0d22429f R14: 00007f88dab6e300 R15: 0000000000022000 [ 49.305171][ T522] FAULT_INJECTION: forcing a failure. [ 49.305171][ T522] name failslab, interval 1, probability 0, space 0, times 0 [ 49.317851][ T522] CPU: 0 PID: 522 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.328595][ T522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.338710][ T522] Call Trace: [ 49.341978][ T522] dump_stack_lvl+0x1e2/0x24b [ 49.346641][ T522] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.352087][ T522] ? selinux_kernfs_init_security+0x1a8/0x760 [ 49.358158][ T522] dump_stack+0x15/0x17 [ 49.362298][ T522] should_fail+0x3c0/0x510 [ 49.366688][ T522] ? __kernfs_new_node+0x99/0x6e0 [ 49.371683][ T522] __should_failslab+0x9f/0xe0 [ 49.376417][ T522] should_failslab+0x9/0x20 [ 49.380898][ T522] __kmalloc_track_caller+0x5f/0x350 [ 49.386164][ T522] kstrdup_const+0x55/0x90 [ 49.390556][ T522] __kernfs_new_node+0x99/0x6e0 [ 49.395376][ T522] ? is_module_text_address+0xe1/0x140 [ 49.400807][ T522] ? kernfs_new_node+0x170/0x170 [ 49.405715][ T522] ? ptr_to_hashval+0x60/0x60 [ 49.410359][ T522] ? arch_stack_walk+0xf8/0x140 [ 49.415177][ T522] ? snprintf+0xd6/0x120 [ 49.419394][ T522] kernfs_new_node+0x97/0x170 [ 49.424061][ T522] __kernfs_create_file+0x4a/0x270 [ 49.429153][ T522] cgroup_addrm_files+0xab8/0xfe0 [ 49.434148][ T522] ? ____kasan_kmalloc+0xdc/0x110 [ 49.439146][ T522] ? __kasan_kmalloc+0x9/0x10 [ 49.443790][ T522] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 49.449308][ T522] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 49.455440][ T522] ? delete_node+0x759/0x7b0 [ 49.460006][ T522] ? __kasan_check_read+0x11/0x20 [ 49.465004][ T522] ? delete_node+0x759/0x7b0 [ 49.469570][ T522] ? __kasan_check_write+0x14/0x20 [ 49.474655][ T522] ? idr_replace+0x1c4/0x230 [ 49.479223][ T522] ? idr_get_next+0x4b0/0x4b0 [ 49.483875][ T522] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 49.488872][ T522] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 49.494045][ T522] css_populate_dir+0x137/0x370 [ 49.498871][ T522] cgroup_apply_control_enable+0x8b9/0x12f0 [ 49.504739][ T522] cgroup_apply_control+0x93/0x710 [ 49.509823][ T522] ? css_next_child+0x160/0x160 [ 49.514645][ T522] ? io_schedule+0x120/0x120 [ 49.519218][ T522] ? kernfs_fop_write_iter+0x15e/0x410 [ 49.524650][ T522] ? __kasan_check_write+0x14/0x20 [ 49.529733][ T522] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 49.534989][ T522] cgroup_subtree_control_write+0xd19/0x1310 [ 49.540941][ T522] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.546892][ T522] ? __kasan_check_write+0x14/0x20 [ 49.551975][ T522] ? _copy_from_iter+0x3fb/0xd60 [ 49.556884][ T522] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.562846][ T522] cgroup_file_write+0x28e/0x590 [ 49.567755][ T522] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.572836][ T522] ? mutex_lock+0xa6/0x110 [ 49.577313][ T522] ? mutex_trylock+0xb0/0xb0 [ 49.581875][ T522] ? __kasan_check_write+0x14/0x20 [ 49.586959][ T522] kernfs_fop_write_iter+0x2d0/0x410 [ 49.592212][ T522] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.597298][ T522] vfs_write+0xc1c/0xf40 [ 49.601513][ T522] ? kernel_write+0x3c0/0x3c0 [ 49.606163][ T522] ? mutex_trylock+0xb0/0xb0 [ 49.610724][ T522] ? __fdget_pos+0x26d/0x310 [ 49.615294][ T522] ? ksys_write+0x77/0x2c0 [ 49.619682][ T522] ksys_write+0x198/0x2c0 [ 49.623983][ T522] ? __ia32_sys_read+0x90/0x90 [ 49.628717][ T522] ? debug_smp_processor_id+0x17/0x20 [ 49.634058][ T522] __x64_sys_write+0x7b/0x90 [ 49.638621][ T522] do_syscall_64+0x34/0x70 [ 49.643009][ T522] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.648876][ T522] RIP: 0033:0x7f0c7456d0e9 [ 49.653265][ T522] 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 [ 49.672842][ T522] RSP: 002b:00007f0c744c2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.681320][ T522] RAX: ffffffffffffffda RBX: 00007f0c74680030 RCX: 00007f0c7456d0e9 [ 49.689281][ T522] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.697226][ T522] RBP: 00007f0c744c21d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.705173][ T522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.713116][ T522] R13: 00007ffc9ba37b1f R14: 00007f0c744c2300 R15: 0000000000022000 [ 49.721628][ T522] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.731855][ T423] ------------[ cut here ]------------ [ 49.737343][ T423] WARNING: CPU: 0 PID: 423 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 49.746260][ T423] Modules linked in: [ 49.750129][ T423] CPU: 0 PID: 423 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.760869][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.770967][ T423] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 49.776632][ T423] Code: 48 c7 c2 80 03 04 86 e8 64 e3 8e ff e9 8b fc ff ff e8 2a 20 b6 ff e9 81 fc ff ff e8 20 20 b6 ff e9 77 fc ff ff e8 16 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 0a 20 b6 ff e8 55 ab a2 ff e9 ea fc ff ff [ 49.796219][ T423] RSP: 0018:ffffc90000c97ca0 EFLAGS: 00010293 [ 49.802255][ T423] RAX: ffffffff81b6923a RBX: 00000000ffffffff RCX: ffff88810c290000 [ 49.810222][ T423] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 49.818194][ T423] RBP: ffffc90000c97d70 R08: ffffffff81b68f28 R09: 0000000000000003 [ 49.826176][ T423] R10: fffff52000192f85 R11: 1ffff92000192f84 R12: dffffc0000000000 [ 49.834128][ T423] R13: ffff8881110a2e00 R14: ffffc90000c97d00 R15: 1ffff92000192f9c [ 49.842097][ T423] FS: 0000555555cf8400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 49.851031][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.857606][ T423] CR2: 0000555555d01b38 CR3: 00000001085ed000 CR4: 00000000003506b0 [ 49.865573][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.873513][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.881481][ T423] Call Trace: [ 49.884762][ T423] ? lockref_get_or_lock+0x340/0x340 [ 49.890038][ T423] ? umount_tree+0xf50/0xf50 [ 49.894616][ T423] ? vfs_submount+0xb0/0xb0 [ 49.899119][ T423] ? dput+0x2b6/0x320 [ 49.903085][ T423] path_umount+0x1fe/0xfb0 [ 49.907493][ T423] ? namespace_unlock+0x4f0/0x4f0 [ 49.912508][ T423] ? user_path_at_empty+0x40/0x50 [ 49.917531][ T423] __x64_sys_umount+0x122/0x170 [ 49.922369][ T423] ? path_umount+0xfb0/0xfb0 [ 49.926951][ T423] ? debug_smp_processor_id+0x17/0x20 [ 49.932305][ T423] do_syscall_64+0x34/0x70 [ 49.936724][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.942597][ T423] RIP: 0033:0x7f0c7456e557 [ 49.947007][ T423] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.966604][ T423] RSP: 002b:00007ffc9ba36c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 49.975008][ T423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0c7456e557 [ 49.982964][ T423] RDX: 00007ffc9ba36d49 RSI: 000000000000000a RDI: 00007ffc9ba36d40 [ 49.990927][ T423] RBP: 00007ffc9ba36d40 R08: 00000000ffffffff R09: 00007ffc9ba36b10 [ 49.998903][ T423] R10: 0000555555cf9ba3 R11: 0000000000000246 R12: 00007f0c745c61f8 [ 50.006869][ T423] R13: 00007ffc9ba37e00 R14: 0000555555cf9b00 R15: 00007ffc9ba37e40 [ 50.014842][ T423] ---[ end trace 8a172ed32f86a6e4 ]--- [ 50.020403][ T423] ------------[ cut here ]------------ [ 50.025871][ T423] WARNING: CPU: 0 PID: 423 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 50.034348][ T423] Modules linked in: [ 50.038253][ T423] CPU: 0 PID: 423 Comm: syz-executor.2 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.050470][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.060530][ T423] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 50.065725][ T423] Code: 01 a1 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4e 06 b5 ff 48 8b 7d d0 e8 c5 07 05 00 e9 21 fd ff ff e8 3b 06 b5 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 58 db 5e 86 80 e1 07 80 c1 03 38 c1 [ 50.085510][ T423] RSP: 0018:ffffc90000c97e30 EFLAGS: 00010293 [ 50.091554][ T423] RAX: ffffffff81b7ac15 RBX: ffffe8ffffd49fcc RCX: ffff88810c290000 [ 50.099516][ T423] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 50.107486][ T423] RBP: ffffc90000c97e80 R08: ffffffff81b7a8f3 R09: 0000000000000003 [ 50.115462][ T423] R10: fffff52000192fc5 R11: 1ffff92000192fc4 R12: ffff8881110a2e68 [ 50.123424][ T423] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 50.131394][ T423] FS: 0000555555cf8400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 50.140312][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.146886][ T423] CR2: 0000555555d01b38 CR3: 00000001085ed000 CR4: 00000000003506b0 [ 50.154858][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.162806][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.170780][ T423] Call Trace: [ 50.174050][ T423] __cleanup_mnt+0x19/0x20 [ 50.178487][ C0] ------------[ cut here ]------------ [ 50.178499][ C0] percpu ref (css_release) <= 0 (-1) after switching to atomic [ 50.178564][ C0] WARNING: CPU: 0 PID: 423 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x505/0x5b0 [ 50.178565][ C0] Modules linked in: [ 50.178574][ C0] CPU: 0 PID: 423 Comm: syz-executor.2 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.178577][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.178583][ C0] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x505/0x5b0 [ 50.178587][ C0] Code: 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ef e8 e0 2f 5a ff 49 8b 55 00 48 c7 c7 a0 bb 43 85 48 89 de 31 c0 e8 fb 96 f2 fe <0f> 0b e9 4b fd ff ff e8 8f 5c 20 ff 0f 0b e9 a2 fe ff ff 48 c7 c1 [ 50.178591][ C0] RSP: 0018:ffffc90000007c08 EFLAGS: 00010246 [ 50.178596][ C0] RAX: d6a1f122e57fa000 RBX: ffffffff816473f0 RCX: ffff88810c290000 [ 50.178599][ C0] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 [ 50.178602][ C0] RBP: ffffc90000007c50 R08: ffffffff8153a998 R09: ffffed103ee44e83 [ 50.178605][ C0] R10: ffffed103ee44e83 R11: 1ffff1103ee44e82 R12: 7ffffffffffffffe [ 50.178608][ C0] R13: ffff888111fe1080 R14: 1ffff110223fc210 R15: ffff888111fe10a0 [ 50.178612][ C0] FS: 0000555555cf8400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 50.178616][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.178619][ C0] CR2: 0000555555d01b38 CR3: 00000001085ed000 CR4: 00000000003506b0 [ 50.178624][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.178627][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.178628][ C0] Call Trace: [ 50.178631][ C0] [ 50.178636][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 50.178641][ C0] rcu_do_batch+0x59e/0xc40 [ 50.178646][ C0] ? local_bh_enable+0x20/0x20 [ 50.178650][ C0] ? note_gp_changes+0x158/0x260 [ 50.178655][ C0] ? update_load_avg+0x4e7/0xa90 [ 50.178660][ C0] rcu_core+0x59b/0xe30 [ 50.178664][ C0] ? rcu_cpu_kthread_park+0x90/0x90 [ 50.178669][ C0] rcu_core_si+0x9/0x10 [ 50.178674][ C0] __do_softirq+0x27e/0x596 [ 50.178679][ C0] asm_call_irq_on_stack+0xf/0x20 [ 50.178681][ C0] [ 50.178687][ C0] do_softirq_own_stack+0x60/0x80 [ 50.178692][ C0] __irq_exit_rcu+0x128/0x150 [ 50.178696][ C0] irq_exit_rcu+0x9/0x10 [ 50.178702][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 50.178706][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 50.178712][ C0] RIP: 0010:console_unlock+0xb5c/0xf20 [ 50.178716][ C0] Code: 85 db 4c 8d b4 24 60 01 00 00 0f 85 82 03 00 00 e8 49 6e 00 00 48 8b 44 24 30 48 89 84 24 90 00 00 00 ff b4 24 90 00 00 00 9d <48> 8b 44 24 38 42 80 3c 38 00 74 08 4c 89 f7 e8 f0 e0 52 00 48 c7 [ 50.178719][ C0] RSP: 0018:ffffc90000c976a0 EFLAGS: 00000246 [ 50.178723][ C0] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff88810c290000 [ 50.178726][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 50.178729][ C0] RBP: ffffc90000c97930 R08: ffffffff8153a4db R09: 0000000000000003 [ 50.178732][ C0] R10: fffff52000192ec5 R11: 1ffff92000192ec4 R12: ffffc90000c978a0 [ 50.178735][ C0] R13: 1ffffffff0c3ad81 R14: ffffc90000c97800 R15: dffffc0000000000 [ 50.178740][ C0] ? console_unlock+0xb1b/0xf20 [ 50.178745][ C0] ? memcpy+0x56/0x70 [ 50.178750][ C0] ? __kasan_check_write+0x14/0x20 [ 50.178754][ C0] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 50.178758][ C0] ? vprintk_emit+0x640/0x640 [ 50.178762][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 50.178768][ C0] ? vsnprintf+0x1fa/0x1cd0 [ 50.178772][ C0] ? memcpy+0x56/0x70 [ 50.178776][ C0] ? vsnprintf+0x1bfd/0x1cd0 [ 50.178780][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 50.178786][ C0] ? resume_console+0x50/0x50 [ 50.178789][ C0] ? _raw_spin_lock+0xa3/0x1b0 [ 50.178794][ C0] vprintk_emit+0x44b/0x640 [ 50.178799][ C0] ? preempt_count_add+0x90/0x1a0 [ 50.178803][ C0] ? log_output+0x4d0/0x4d0 [ 50.178807][ C0] ? wake_up_klogd+0xc1/0xf0 [ 50.178812][ C0] ? vprintk_emit+0x58c/0x640 [ 50.178816][ C0] ? log_output+0x4d0/0x4d0 [ 50.178820][ C0] ? log_output+0x4d0/0x4d0 [ 50.178825][ C0] vprintk_default+0x26/0x30 [ 50.178829][ C0] vprintk_func+0x19d/0x1e0 [ 50.178833][ C0] printk+0xcf/0x10f [ 50.178837][ C0] ? __cleanup_mnt+0x19/0x20 [ 50.178841][ C0] ? panic+0x7d7/0x7d7 [ 50.178845][ C0] ? is_bpf_text_address+0x1a2/0x1c0 [ 50.178849][ C0] ? __cleanup_mnt+0x19/0x20 [ 50.178853][ C0] show_trace_log_lvl+0x2d6/0x410 [ 50.178858][ C0] ? __cleanup_mnt+0x19/0x20 [ 50.178862][ C0] show_regs+0x5c/0x60 [ 50.178866][ C0] __warn+0x126/0x260 [ 50.178869][ C0] ? cleanup_mnt+0x4c5/0x510 [ 50.178874][ C0] report_bug+0x410/0x580 [ 50.178878][ C0] ? cleanup_mnt+0x4c5/0x510 [ 50.178882][ C0] handle_bug+0x41/0x70 [ 50.178887][ C0] exc_invalid_op+0x1b/0x50 [ 50.178891][ C0] asm_exc_invalid_op+0x12/0x20 [ 50.178895][ C0] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 50.178898][ C0] Code: 01 a1 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4e 06 b5 ff 48 8b 7d d0 e8 c5 07 05 00 e9 21 fd ff ff e8 3b 06 b5 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 58 db 5e 86 80 e1 07 80 c1 03 38 c1 [ 50.178901][ C0] RSP: 0018:ffffc90000c97e30 EFLAGS: 00010293 [ 50.178905][ C0] RAX: ffffffff81b7ac15 RBX: ffffe8ffffd49fcc RCX: ffff88810c290000 [ 50.178908][ C0] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 50.178911][ C0] RBP: ffffc90000c97e80 R08: ffffffff81b7a8f3 R09: 0000000000000003 [ 50.178914][ C0] R10: fffff52000192fc5 R11: 1ffff92000192fc4 R12: ffff8881110a2e68 [ 50.178917][ C0] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 50.178921][ C0] ? cleanup_mnt+0x1a3/0x510 [ 50.178924][ C0] ? cleanup_mnt+0x4c5/0x510 [ 50.178929][ C0] __cleanup_mnt+0x19/0x20 [ 50.178933][ C0] task_work_run+0x147/0x1b0 [ 50.178938][ C0] exit_to_user_mode_loop+0xc8/0xe0 [ 50.178942][ C0] syscall_exit_to_user_mode+0x77/0xa0 [ 50.178947][ C0] do_syscall_64+0x40/0x70 [ 50.178951][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.178955][ C0] RIP: 0033:0x7f0c7456e557 [ 50.178959][ C0] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.178962][ C0] RSP: 002b:00007ffc9ba36c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 50.178967][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0c7456e557 [ 50.178970][ C0] RDX: 00007ffc9ba36d49 RSI: 000000000000000a RDI: 00007ffc9ba36d40 [ 50.178973][ C0] RBP: 00007ffc9ba36d40 R08: 00000000ffffffff R09: 00007ffc9ba36b10 [ 50.178977][ C0] R10: 0000555555cf9ba3 R11: 0000000000000246 R12: 00007f0c745c61f8 [ 50.178982][ C0] R13: 00007ffc9ba37e00 R14: 0000555555cf9b00 R15: 00007ffc9ba37e40 [ 50.178988][ C0] ---[ end trace 8a172ed32f86a6e5 ]--- [ 50.847159][ T423] task_work_run+0x147/0x1b0 [ 50.847495][ T513] FAULT_INJECTION: forcing a failure. [ 50.847495][ T513] name failslab, interval 1, probability 0, space 0, times 0 [ 50.851981][ T423] exit_to_user_mode_loop+0xc8/0xe0 [ 50.864433][ T513] CPU: 0 PID: 513 Comm: syz-executor.1 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.881771][ T513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.891812][ T513] Call Trace: [ 50.895083][ T513] dump_stack_lvl+0x1e2/0x24b [ 50.899747][ T513] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.905179][ T513] ? selinux_kernfs_init_security+0x1a8/0x760 [ 50.911229][ T513] dump_stack+0x15/0x17 [ 50.915356][ T513] should_fail+0x3c0/0x510 [ 50.919745][ T513] ? __kernfs_new_node+0x99/0x6e0 [ 50.924743][ T513] __should_failslab+0x9f/0xe0 [ 50.929483][ T513] should_failslab+0x9/0x20 [ 50.933961][ T513] __kmalloc_track_caller+0x5f/0x350 [ 50.939224][ T513] kstrdup_const+0x55/0x90 [ 50.943612][ T513] __kernfs_new_node+0x99/0x6e0 [ 50.948437][ T513] ? is_module_text_address+0xe1/0x140 [ 50.953870][ T513] ? kernfs_new_node+0x170/0x170 [ 50.958778][ T513] ? ptr_to_hashval+0x60/0x60 [ 50.963424][ T513] ? arch_stack_walk+0xf8/0x140 [ 50.968255][ T513] ? snprintf+0xd6/0x120 [ 50.972483][ T513] kernfs_new_node+0x97/0x170 [ 50.977224][ T513] __kernfs_create_file+0x4a/0x270 [ 50.982309][ T513] cgroup_addrm_files+0xab8/0xfe0 [ 50.987329][ T513] ? ____kasan_kmalloc+0xdc/0x110 [ 50.992328][ T513] ? __kasan_kmalloc+0x9/0x10 [ 50.997102][ T513] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 51.002621][ T513] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 51.008768][ T513] ? delete_node+0x759/0x7b0 [ 51.013334][ T513] ? __kasan_check_read+0x11/0x20 [ 51.018437][ T513] ? delete_node+0x759/0x7b0 [ 51.023092][ T513] ? __kasan_check_write+0x14/0x20 [ 51.028179][ T513] ? idr_replace+0x1c4/0x230 [ 51.032762][ T513] ? idr_get_next+0x4b0/0x4b0 [ 51.037420][ T513] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 51.042419][ T513] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 51.047591][ T513] css_populate_dir+0x137/0x370 [ 51.052418][ T513] cgroup_apply_control_enable+0x8b9/0x12f0 [ 51.058287][ T513] cgroup_apply_control+0x93/0x710 [ 51.063371][ T513] ? css_next_child+0x160/0x160 [ 51.068206][ T513] ? io_schedule+0x120/0x120 [ 51.072769][ T513] ? kernfs_fop_write_iter+0x15e/0x410 [ 51.078201][ T513] ? __kasan_check_write+0x14/0x20 [ 51.083287][ T513] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 51.088662][ T513] cgroup_subtree_control_write+0xd19/0x1310 [ 51.094620][ T513] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.100589][ T513] ? __kasan_check_write+0x14/0x20 [ 51.105674][ T513] ? _copy_from_iter+0x3fb/0xd60 [ 51.110583][ T513] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.116539][ T513] cgroup_file_write+0x28e/0x590 [ 51.121447][ T513] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.126617][ T513] ? mutex_lock+0xa6/0x110 [ 51.131006][ T513] ? mutex_trylock+0xb0/0xb0 [ 51.135578][ T513] ? __kasan_check_write+0x14/0x20 [ 51.140664][ T513] kernfs_fop_write_iter+0x2d0/0x410 [ 51.145923][ T513] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.151010][ T513] vfs_write+0xc1c/0xf40 [ 51.155224][ T513] ? kernel_write+0x3c0/0x3c0 [ 51.159870][ T513] ? mutex_trylock+0xb0/0xb0 [ 51.164435][ T513] ? __fdget_pos+0x26d/0x310 [ 51.168995][ T513] ? ksys_write+0x77/0x2c0 [ 51.173381][ T513] ksys_write+0x198/0x2c0 [ 51.177681][ T513] ? __ia32_sys_read+0x90/0x90 [ 51.182416][ T513] ? debug_smp_processor_id+0x17/0x20 [ 51.187758][ T513] __x64_sys_write+0x7b/0x90 [ 51.192319][ T513] do_syscall_64+0x34/0x70 [ 51.196704][ T513] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.202569][ T513] RIP: 0033:0x7f42e58690e9 [ 51.206961][ 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 [ 51.226539][ T513] RSP: 002b:00007f42e57be168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.234929][ T513] RAX: ffffffffffffffda RBX: 00007f42e597c030 RCX: 00007f42e58690e9 [ 51.242880][ T513] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.250825][ T513] RBP: 00007f42e57be1d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.258770][ T513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.266725][ T513] R13: 00007ffd9450a68f R14: 00007f42e57be300 R15: 0000000000022000 [ 51.274902][ T423] syscall_exit_to_user_mode+0x77/0xa0 [ 51.275013][ T513] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.280437][ T423] do_syscall_64+0x40/0x70 [ 51.291955][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.298103][ T423] RIP: 0033:0x7f0c7456e557 [ 51.302577][ T423] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.322277][ T423] RSP: 002b:00007ffc9ba36c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 51.331154][ T514] FAULT_INJECTION: forcing a failure. [ 51.331154][ T514] name failslab, interval 1, probability 0, space 0, times 0 [ 51.331171][ T423] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0c7456e557 [ 51.344024][ T514] CPU: 1 PID: 514 Comm: syz-executor.3 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.351805][ T423] RDX: 00007ffc9ba36d49 RSI: 000000000000000a RDI: 00007ffc9ba36d40 [ 51.363831][ T514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.363834][ T514] Call Trace: [ 51.363850][ T514] dump_stack_lvl+0x1e2/0x24b [ 51.363859][ T514] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.363870][ T514] ? selinux_kernfs_init_security+0x1a8/0x760 [ 51.363877][ T514] dump_stack+0x15/0x17 [ 51.363885][ T514] should_fail+0x3c0/0x510 [ 51.363895][ T514] ? __kernfs_new_node+0x99/0x6e0 [ 51.363904][ T514] __should_failslab+0x9f/0xe0 [ 51.363913][ T514] should_failslab+0x9/0x20 [ 51.363922][ T514] __kmalloc_track_caller+0x5f/0x350 [ 51.363936][ T514] kstrdup_const+0x55/0x90 [ 51.372198][ T423] RBP: 00007ffc9ba36d40 R08: 00000000ffffffff R09: 00007ffc9ba36b10 [ 51.381919][ T514] __kernfs_new_node+0x99/0x6e0 [ 51.381928][ T514] ? is_module_text_address+0xe1/0x140 [ 51.381936][ T514] ? kernfs_new_node+0x170/0x170 [ 51.381944][ T514] ? ptr_to_hashval+0x60/0x60 [ 51.381958][ T514] ? arch_stack_walk+0xf8/0x140 [ 51.385255][ T423] R10: 0000555555cf9ba3 R11: 0000000000000246 R12: 00007f0c745c61f8 [ 51.389860][ T514] ? snprintf+0xd6/0x120 [ 51.389868][ T514] kernfs_new_node+0x97/0x170 [ 51.389880][ T514] __kernfs_create_file+0x4a/0x270 [ 51.395343][ T423] R13: 00007ffc9ba37e00 R14: 0000555555cf9b00 R15: 00007ffc9ba37e40 [ 51.401347][ T514] cgroup_addrm_files+0xab8/0xfe0 [ 51.401355][ T514] ? ____kasan_kmalloc+0xdc/0x110 [ 51.401367][ T514] ? __kasan_kmalloc+0x9/0x10 [ 51.405536][ T423] ---[ end trace 8a172ed32f86a6e6 ]--- [ 51.409903][ T514] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 51.409915][ T514] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 51.409931][ T514] ? delete_node+0x759/0x7b0 [ 51.532444][ T514] ? __kasan_check_read+0x11/0x20 [ 51.537439][ T514] ? delete_node+0x759/0x7b0 [ 51.541996][ T514] ? __kasan_check_write+0x14/0x20 [ 51.547076][ T514] ? idr_replace+0x1c4/0x230 [ 51.551637][ T514] ? idr_get_next+0x4b0/0x4b0 [ 51.556282][ T514] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 51.561272][ T514] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 51.566438][ T514] css_populate_dir+0x137/0x370 [ 51.571258][ T514] cgroup_apply_control_enable+0x8b9/0x12f0 [ 51.577119][ T514] cgroup_apply_control+0x93/0x710 [ 51.582197][ T514] ? css_next_child+0x160/0x160 [ 51.587016][ T514] ? io_schedule+0x120/0x120 [ 51.591574][ T514] ? kernfs_fop_write_iter+0x15e/0x410 [ 51.597003][ T514] ? __kasan_check_write+0x14/0x20 [ 51.602148][ T514] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 51.607409][ T514] cgroup_subtree_control_write+0xd19/0x1310 [ 51.613367][ T514] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.619322][ T514] ? __kasan_check_write+0x14/0x20 [ 51.624405][ T514] ? _copy_from_iter+0x3fb/0xd60 [ 51.629320][ T514] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.635278][ T514] cgroup_file_write+0x28e/0x590 [ 51.640290][ T514] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.645378][ T514] ? mutex_lock+0xa6/0x110 [ 51.649766][ T514] ? mutex_trylock+0xb0/0xb0 [ 51.654338][ T514] ? __kasan_check_write+0x14/0x20 [ 51.659439][ T514] kernfs_fop_write_iter+0x2d0/0x410 [ 51.664697][ T514] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.669785][ T514] vfs_write+0xc1c/0xf40 [ 51.674004][ T514] ? kernel_write+0x3c0/0x3c0 [ 51.678658][ T514] ? mutex_trylock+0xb0/0xb0 [ 51.683221][ T514] ? __fdget_pos+0x26d/0x310 [ 51.687781][ T514] ? ksys_write+0x77/0x2c0 [ 51.692169][ T514] ksys_write+0x198/0x2c0 [ 51.696469][ T514] ? __ia32_sys_read+0x90/0x90 [ 51.701209][ T514] ? debug_smp_processor_id+0x17/0x20 [ 51.706557][ T514] __x64_sys_write+0x7b/0x90 [ 51.711116][ T514] do_syscall_64+0x34/0x70 [ 51.715501][ T514] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.721359][ T514] RIP: 0033:0x7f7f4f5980e9 [ 51.725756][ 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 [ 51.745341][ T514] RSP: 002b:00007f7f4f4ed168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.753727][ T514] RAX: ffffffffffffffda RBX: 00007f7f4f6ab030 RCX: 00007f7f4f5980e9 2022/05/23 20:01:43 executed programs: 30 [ 51.761680][ T514] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.769629][ T514] RBP: 00007f7f4f4ed1d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.777580][ T514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.785525][ T514] R13: 00007fffbc676bbf R14: 00007f7f4f4ed300 R15: 0000000000022000 [ 51.793787][ T514] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.815244][ T512] FAULT_INJECTION: forcing a failure. [ 51.815244][ T512] name failslab, interval 1, probability 0, space 0, times 0 [ 51.827909][ T512] CPU: 1 PID: 512 Comm: syz-executor.4 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.840020][ T512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.850045][ T512] Call Trace: [ 51.853305][ T512] dump_stack_lvl+0x1e2/0x24b [ 51.857959][ T512] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.863393][ T512] dump_stack+0x15/0x17 [ 51.867522][ T512] should_fail+0x3c0/0x510 [ 51.871907][ T512] ? pids_css_alloc+0x4e/0x120 [ 51.876650][ T512] __should_failslab+0x9f/0xe0 [ 51.881397][ T512] should_failslab+0x9/0x20 [ 51.885884][ T512] kmem_cache_alloc_trace+0x3a/0x330 [ 51.891151][ T512] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 51.896358][ T512] pids_css_alloc+0x4e/0x120 [ 51.900922][ T512] cgroup_apply_control_enable+0x350/0x12f0 [ 51.906795][ T512] cgroup_apply_control+0x93/0x710 [ 51.911884][ T512] ? css_next_child+0x160/0x160 [ 51.916710][ T512] ? io_schedule+0x120/0x120 [ 51.921278][ T512] ? kernfs_fop_write_iter+0x15e/0x410 [ 51.926720][ T512] ? __kasan_check_write+0x14/0x20 [ 51.931809][ T512] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 51.937144][ T512] cgroup_subtree_control_write+0xd19/0x1310 [ 51.943112][ T512] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.949075][ T512] ? __kasan_check_write+0x14/0x20 [ 51.954162][ T512] ? _copy_from_iter+0x3fb/0xd60 [ 51.959164][ T512] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.965115][ T512] cgroup_file_write+0x28e/0x590 [ 51.970022][ T512] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.975103][ T512] ? mutex_lock+0xa6/0x110 [ 51.979500][ T512] ? mutex_trylock+0xb0/0xb0 [ 51.984073][ T512] ? __kasan_check_write+0x14/0x20 [ 51.989157][ T512] kernfs_fop_write_iter+0x2d0/0x410 [ 51.994414][ T512] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.999585][ T512] vfs_write+0xc1c/0xf40 [ 52.003808][ T512] ? kernel_write+0x3c0/0x3c0 [ 52.008460][ T512] ? mutex_trylock+0xb0/0xb0 [ 52.013074][ T512] ? __fdget_pos+0x26d/0x310 [ 52.017650][ T512] ? ksys_write+0x77/0x2c0 [ 52.022039][ T512] ksys_write+0x198/0x2c0 [ 52.026341][ T512] ? __ia32_sys_read+0x90/0x90 [ 52.031075][ T512] ? debug_smp_processor_id+0x17/0x20 [ 52.036429][ T512] __x64_sys_write+0x7b/0x90 [ 52.040987][ T512] do_syscall_64+0x34/0x70 [ 52.045374][ T512] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.051240][ T512] RIP: 0033:0x7f8f3f44a0e9 [ 52.055634][ T512] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.075218][ T512] RSP: 002b:00007f8f3f39f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.083607][ T512] RAX: ffffffffffffffda RBX: 00007f8f3f55d030 RCX: 00007f8f3f44a0e9 [ 52.091565][ T512] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.099523][ T512] RBP: 00007f8f3f39f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.107479][ T512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.115437][ T512] R13: 00007fffad9181cf R14: 00007f8f3f39f300 R15: 0000000000022000 [ 52.155149][ T536] FAULT_INJECTION: forcing a failure. [ 52.155149][ T536] name failslab, interval 1, probability 0, space 0, times 0 [ 52.167898][ T536] CPU: 1 PID: 536 Comm: syz-executor.3 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.180105][ T536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.190133][ T536] Call Trace: [ 52.193413][ T536] dump_stack_lvl+0x1e2/0x24b [ 52.198059][ T536] ? panic+0x7d7/0x7d7 [ 52.202098][ T536] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.207533][ T536] ? find_next_bit+0xd6/0x120 [ 52.212193][ T536] ? cpumask_next+0x11/0x30 [ 52.216667][ T536] dump_stack+0x15/0x17 [ 52.220789][ T536] should_fail+0x3c0/0x510 [ 52.225178][ T536] ? percpu_ref_init+0xd0/0x330 [ 52.229997][ T536] __should_failslab+0x9f/0xe0 [ 52.234735][ T536] should_failslab+0x9/0x20 [ 52.239211][ T536] kmem_cache_alloc_trace+0x3a/0x330 [ 52.244475][ T536] percpu_ref_init+0xd0/0x330 [ 52.249129][ T536] ? cgroup_setup_root+0xea0/0xea0 [ 52.254212][ T536] cgroup_apply_control_enable+0x3a2/0x12f0 [ 52.260071][ T536] cgroup_apply_control+0x93/0x710 [ 52.265153][ T536] ? css_next_child+0x160/0x160 [ 52.269973][ T536] ? io_schedule+0x120/0x120 [ 52.274531][ T536] ? kernfs_fop_write_iter+0x15e/0x410 [ 52.279956][ T536] ? __kasan_check_write+0x14/0x20 [ 52.285048][ T536] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 52.290305][ T536] cgroup_subtree_control_write+0xd19/0x1310 [ 52.296254][ T536] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.302294][ T536] ? __kasan_check_write+0x14/0x20 [ 52.307378][ T536] ? _copy_from_iter+0x3fb/0xd60 [ 52.312288][ T536] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.318245][ T536] cgroup_file_write+0x28e/0x590 [ 52.323159][ T536] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.328244][ T536] ? mutex_lock+0xa6/0x110 [ 52.332635][ T536] ? mutex_trylock+0xb0/0xb0 [ 52.337199][ T536] ? __kasan_check_write+0x14/0x20 [ 52.342288][ T536] kernfs_fop_write_iter+0x2d0/0x410 [ 52.347554][ T536] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.352642][ T536] vfs_write+0xc1c/0xf40 [ 52.356859][ T536] ? kernel_write+0x3c0/0x3c0 [ 52.361514][ T536] ? mutex_trylock+0xb0/0xb0 [ 52.366087][ T536] ? __fdget_pos+0x26d/0x310 [ 52.370652][ T536] ? ksys_write+0x77/0x2c0 [ 52.375044][ T536] ksys_write+0x198/0x2c0 [ 52.379350][ T536] ? __ia32_sys_read+0x90/0x90 [ 52.384091][ T536] ? debug_smp_processor_id+0x17/0x20 [ 52.389452][ T536] __x64_sys_write+0x7b/0x90 [ 52.394015][ T536] do_syscall_64+0x34/0x70 [ 52.398402][ T536] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.404267][ T536] RIP: 0033:0x7f7f4f5980e9 [ 52.408660][ T536] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.428239][ T536] RSP: 002b:00007f7f4f4ed168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.436623][ T536] RAX: ffffffffffffffda RBX: 00007f7f4f6ab030 RCX: 00007f7f4f5980e9 [ 52.444567][ T536] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.452517][ T536] RBP: 00007f7f4f4ed1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.460464][ T536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.468585][ T536] R13: 00007fffbc676bbf R14: 00007f7f4f4ed300 R15: 0000000000022000 [ 52.505294][ T525] FAULT_INJECTION: forcing a failure. [ 52.505294][ T525] name failslab, interval 1, probability 0, space 0, times 0 [ 52.517965][ T525] CPU: 1 PID: 525 Comm: syz-executor.5 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.530175][ T525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.540209][ T525] Call Trace: [ 52.543476][ T525] dump_stack_lvl+0x1e2/0x24b [ 52.548125][ T525] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.553559][ T525] ? selinux_kernfs_init_security+0x1a8/0x760 [ 52.559599][ T525] dump_stack+0x15/0x17 [ 52.563728][ T525] should_fail+0x3c0/0x510 [ 52.568116][ T525] ? __kernfs_new_node+0x99/0x6e0 [ 52.573116][ T525] __should_failslab+0x9f/0xe0 [ 52.577860][ T525] should_failslab+0x9/0x20 [ 52.582335][ T525] __kmalloc_track_caller+0x5f/0x350 [ 52.587601][ T525] kstrdup_const+0x55/0x90 [ 52.591989][ T525] __kernfs_new_node+0x99/0x6e0 [ 52.596811][ T525] ? is_module_text_address+0xe1/0x140 [ 52.602249][ T525] ? kernfs_new_node+0x170/0x170 [ 52.607157][ T525] ? ptr_to_hashval+0x60/0x60 [ 52.611803][ T525] ? arch_stack_walk+0xf8/0x140 [ 52.616623][ T525] ? snprintf+0xd6/0x120 [ 52.620833][ T525] kernfs_new_node+0x97/0x170 [ 52.625481][ T525] __kernfs_create_file+0x4a/0x270 [ 52.630571][ T525] cgroup_addrm_files+0xab8/0xfe0 [ 52.635574][ T525] ? ____kasan_kmalloc+0xdc/0x110 [ 52.640584][ T525] ? __kasan_kmalloc+0x9/0x10 [ 52.645244][ T525] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 52.650772][ T525] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 52.656905][ T525] ? delete_node+0x759/0x7b0 [ 52.661470][ T525] ? __kasan_check_read+0x11/0x20 [ 52.666468][ T525] ? delete_node+0x759/0x7b0 [ 52.671028][ T525] ? __kasan_check_write+0x14/0x20 [ 52.676116][ T525] ? idr_replace+0x1c4/0x230 [ 52.680686][ T525] ? idr_get_next+0x4b0/0x4b0 [ 52.685333][ T525] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 52.690327][ T525] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 52.695528][ T525] css_populate_dir+0x137/0x370 [ 52.700352][ T525] cgroup_apply_control_enable+0x8b9/0x12f0 [ 52.706219][ T525] cgroup_apply_control+0x93/0x710 [ 52.711310][ T525] ? css_next_child+0x160/0x160 [ 52.716139][ T525] ? release_task_stack+0x529/0x660 [ 52.721308][ T525] ? io_schedule+0x120/0x120 [ 52.725871][ T525] ? kernfs_fop_write_iter+0x15e/0x410 [ 52.731301][ T525] ? __kasan_check_write+0x14/0x20 [ 52.736390][ T525] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 52.741645][ T525] cgroup_subtree_control_write+0xd19/0x1310 [ 52.747595][ T525] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.753544][ T525] ? __kasan_check_write+0x14/0x20 [ 52.758636][ T525] ? _copy_from_iter+0x3fb/0xd60 [ 52.763657][ T525] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.769619][ T525] cgroup_file_write+0x28e/0x590 [ 52.774539][ T525] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.779623][ T525] ? mutex_lock+0xa6/0x110 [ 52.784976][ T525] ? mutex_trylock+0xb0/0xb0 [ 52.789540][ T525] ? __kasan_check_write+0x14/0x20 [ 52.795238][ T525] kernfs_fop_write_iter+0x2d0/0x410 [ 52.800503][ T525] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.805590][ T525] vfs_write+0xc1c/0xf40 [ 52.809809][ T525] ? kernel_write+0x3c0/0x3c0 [ 52.814456][ T525] ? mutex_trylock+0xb0/0xb0 [ 52.820237][ T525] ? __fdget_pos+0x26d/0x310 [ 52.824891][ T525] ? ksys_write+0x77/0x2c0 [ 52.829284][ T525] ksys_write+0x198/0x2c0 [ 52.833586][ T525] ? __ia32_sys_read+0x90/0x90 [ 52.838333][ T525] ? debug_smp_processor_id+0x17/0x20 [ 52.843811][ T525] __x64_sys_write+0x7b/0x90 [ 52.848387][ T525] do_syscall_64+0x34/0x70 [ 52.852977][ T525] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.858867][ T525] RIP: 0033:0x7f88dac190e9 [ 52.863264][ T525] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.882840][ T525] RSP: 002b:00007f88dab6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.891236][ T525] RAX: ffffffffffffffda RBX: 00007f88dad2c030 RCX: 00007f88dac190e9 [ 52.899272][ T525] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.907246][ T525] RBP: 00007f88dab6e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.915188][ T525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.923131][ T525] R13: 00007fff0d22429f R14: 00007f88dab6e300 R15: 0000000000022000 [ 52.932450][ T525] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.965259][ T519] FAULT_INJECTION: forcing a failure. [ 52.965259][ T519] name failslab, interval 1, probability 0, space 0, times 0 [ 52.978001][ T519] CPU: 1 PID: 519 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.990204][ T519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.000435][ T519] Call Trace: [ 53.003724][ T519] dump_stack_lvl+0x1e2/0x24b [ 53.008462][ T519] ? panic+0x7d7/0x7d7 [ 53.012699][ T519] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.018307][ T519] ? find_next_bit+0xd6/0x120 [ 53.022999][ T519] ? cpumask_next+0x11/0x30 [ 53.028355][ T519] dump_stack+0x15/0x17 [ 53.032483][ T519] should_fail+0x3c0/0x510 [ 53.036881][ T519] ? percpu_ref_init+0xd0/0x330 [ 53.041713][ T519] __should_failslab+0x9f/0xe0 [ 53.046447][ T519] should_failslab+0x9/0x20 [ 53.051040][ T519] kmem_cache_alloc_trace+0x3a/0x330 [ 53.056305][ T519] percpu_ref_init+0xd0/0x330 [ 53.060956][ T519] ? cgroup_setup_root+0xea0/0xea0 [ 53.066044][ T519] cgroup_apply_control_enable+0x3a2/0x12f0 [ 53.071903][ T519] cgroup_apply_control+0x93/0x710 [ 53.076979][ T519] ? css_next_child+0x160/0x160 [ 53.081794][ T519] ? io_schedule+0x120/0x120 [ 53.086357][ T519] ? kernfs_fop_write_iter+0x15e/0x410 [ 53.091786][ T519] ? __kasan_check_write+0x14/0x20 [ 53.096868][ T519] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 53.102118][ T519] cgroup_subtree_control_write+0xd19/0x1310 [ 53.108066][ T519] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.114022][ T519] ? __kasan_check_write+0x14/0x20 [ 53.119103][ T519] ? _copy_from_iter+0x3fb/0xd60 [ 53.124005][ T519] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.129953][ T519] cgroup_file_write+0x28e/0x590 [ 53.134864][ T519] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.139944][ T519] ? mutex_lock+0xa6/0x110 [ 53.144335][ T519] ? mutex_trylock+0xb0/0xb0 [ 53.148895][ T519] ? __kasan_check_write+0x14/0x20 [ 53.153975][ T519] kernfs_fop_write_iter+0x2d0/0x410 [ 53.159232][ T519] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.164309][ T519] vfs_write+0xc1c/0xf40 [ 53.168520][ T519] ? kernel_write+0x3c0/0x3c0 [ 53.173162][ T519] ? mutex_trylock+0xb0/0xb0 [ 53.177719][ T519] ? __fdget_pos+0x26d/0x310 [ 53.182281][ T519] ? ksys_write+0x77/0x2c0 [ 53.186667][ T519] ksys_write+0x198/0x2c0 [ 53.190974][ T519] ? __ia32_sys_read+0x90/0x90 [ 53.195711][ T519] ? debug_smp_processor_id+0x17/0x20 [ 53.201049][ T519] __x64_sys_write+0x7b/0x90 [ 53.205619][ T519] do_syscall_64+0x34/0x70 [ 53.210010][ T519] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.215874][ T519] RIP: 0033:0x7f3bb1be00e9 [ 53.220261][ T519] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.239846][ T519] RSP: 002b:00007f3bb1b35168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.248235][ T519] RAX: ffffffffffffffda RBX: 00007f3bb1cf3030 RCX: 00007f3bb1be00e9 [ 53.256184][ T519] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.264138][ T519] RBP: 00007f3bb1b351d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.272099][ T519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.280043][ T519] R13: 00007fff1db9f33f R14: 00007f3bb1b35300 R15: 0000000000022000 [ 53.345332][ T541] FAULT_INJECTION: forcing a failure. [ 53.345332][ T541] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 53.358563][ T541] CPU: 0 PID: 541 Comm: syz-executor.3 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 53.370702][ T541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.380730][ T541] Call Trace: [ 53.383996][ T541] dump_stack_lvl+0x1e2/0x24b [ 53.388646][ T541] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.394075][ T541] ? __kasan_check_write+0x14/0x20 [ 53.399154][ T541] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 53.404232][ T541] dump_stack+0x15/0x17 [ 53.408362][ T541] should_fail+0x3c0/0x510 [ 53.412747][ T541] should_fail_alloc_page+0x50/0x60 [ 53.417929][ T541] __alloc_pages_nodemask+0x1c0/0x890 [ 53.423281][ T541] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 53.429400][ T541] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 53.434922][ T541] allocate_slab+0x78/0x540 [ 53.439410][ T541] ___slab_alloc+0x131/0x2e0 [ 53.443987][ T541] ? pids_css_alloc+0x4e/0x120 [ 53.448734][ T541] __slab_alloc+0x63/0xa0 [ 53.453314][ T541] ? pids_css_alloc+0x4e/0x120 [ 53.458052][ T541] kmem_cache_alloc_trace+0x20e/0x330 [ 53.463401][ T541] ? pids_css_alloc+0x4e/0x120 [ 53.468137][ T541] pids_css_alloc+0x4e/0x120 [ 53.472706][ T541] cgroup_apply_control_enable+0x350/0x12f0 [ 53.478575][ T541] cgroup_apply_control+0x93/0x710 [ 53.483658][ T541] ? css_next_child+0x160/0x160 [ 53.488480][ T541] ? io_schedule+0x120/0x120 [ 53.493038][ T541] ? kernfs_fop_write_iter+0x15e/0x410 [ 53.498465][ T541] ? __kasan_check_write+0x14/0x20 [ 53.503545][ T541] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 53.508801][ T541] cgroup_subtree_control_write+0xd19/0x1310 [ 53.515014][ T541] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.520972][ T541] ? __kasan_check_write+0x14/0x20 [ 53.526058][ T541] ? _copy_from_iter+0x3fb/0xd60 [ 53.530984][ T541] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.537122][ T541] cgroup_file_write+0x28e/0x590 [ 53.542030][ T541] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.547145][ T541] ? mutex_lock+0xa6/0x110 [ 53.551529][ T541] ? mutex_trylock+0xb0/0xb0 [ 53.556113][ T541] ? __kasan_check_write+0x14/0x20 [ 53.561297][ T541] kernfs_fop_write_iter+0x2d0/0x410 [ 53.566555][ T541] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.571637][ T541] vfs_write+0xc1c/0xf40 [ 53.575849][ T541] ? kernel_write+0x3c0/0x3c0 [ 53.580499][ T541] ? mutex_trylock+0xb0/0xb0 [ 53.585065][ T541] ? __fdget_pos+0x26d/0x310 [ 53.589630][ T541] ? ksys_write+0x77/0x2c0 [ 53.594020][ T541] ksys_write+0x198/0x2c0 [ 53.598327][ T541] ? __ia32_sys_read+0x90/0x90 [ 53.603071][ T541] ? debug_smp_processor_id+0x17/0x20 [ 53.608429][ T541] __x64_sys_write+0x7b/0x90 [ 53.612998][ T541] do_syscall_64+0x34/0x70 [ 53.617388][ T541] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.623259][ T541] RIP: 0033:0x7f7f4f5980e9 [ 53.627655][ T541] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.647250][ T541] RSP: 002b:00007f7f4f50e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.655696][ T541] RAX: ffffffffffffffda RBX: 00007f7f4f6aaf60 RCX: 00007f7f4f5980e9 [ 53.663813][ T541] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.671758][ T541] RBP: 00007f7f4f50e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.679704][ T541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.687735][ T541] R13: 00007fffbc676bbf R14: 00007f7f4f50e300 R15: 0000000000022000 [ 53.699402][ T426] ------------[ cut here ]------------ [ 53.704927][ T426] WARNING: CPU: 1 PID: 426 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 53.713432][ T426] Modules linked in: [ 53.717354][ T426] CPU: 1 PID: 426 Comm: syz-executor.3 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 53.729744][ T426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.739846][ T426] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 53.745414][ T426] Code: 01 a1 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4e 06 b5 ff 48 8b 7d d0 e8 c5 07 05 00 e9 21 fd ff ff e8 3b 06 b5 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 58 db 5e 86 80 e1 07 80 c1 03 38 c1 [ 53.765064][ T426] RSP: 0018:ffffc90000d17e30 EFLAGS: 00010293 [ 53.771386][ T426] RAX: ffffffff81b7ac15 RBX: ffffe8ffffd4b004 RCX: ffff8881067f62c0 [ 53.779373][ T426] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 53.787646][ T547] FAULT_INJECTION: forcing a failure. [ 53.787646][ T547] name failslab, interval 1, probability 0, space 0, times 0 [ 53.787685][ T426] RBP: ffffc90000d17e80 R08: ffffffff81b7a8f3 R09: 0000000000000003 [ 53.808363][ T547] CPU: 0 PID: 547 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 53.808456][ T426] R10: fffff520001a2fc5 R11: 1ffff920001a2fc4 R12: ffff8881110a23e8 [ 53.820485][ T547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.820489][ T547] Call Trace: [ 53.820504][ T547] dump_stack_lvl+0x1e2/0x24b [ 53.820519][ T547] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.828702][ T426] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 53.838495][ T547] ? selinux_kernfs_init_security+0x1a8/0x760 [ 53.838503][ T547] dump_stack+0x15/0x17 [ 53.838516][ T547] should_fail+0x3c0/0x510 [ 53.841962][ T426] FS: 00005555568fd400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 53.846423][ T547] ? __kernfs_new_node+0x99/0x6e0 [ 53.846432][ T547] __should_failslab+0x9f/0xe0 [ 53.846444][ T547] should_failslab+0x9/0x20 [ 53.852050][ T426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.859830][ T547] __kmalloc_track_caller+0x5f/0x350 [ 53.859839][ T547] kstrdup_const+0x55/0x90 [ 53.859852][ T547] __kernfs_new_node+0x99/0x6e0 [ 53.866057][ T426] CR2: 0000555556906b38 CR3: 000000010cf29000 CR4: 00000000003506a0 [ 53.870037][ T547] ? is_module_text_address+0xe1/0x140 [ 53.874516][ T426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.883587][ T547] ? kernfs_new_node+0x170/0x170 [ 53.883596][ T547] ? ptr_to_hashval+0x60/0x60 [ 53.883602][ T547] ? arch_stack_walk+0xf8/0x140 [ 53.883614][ T547] ? snprintf+0xd6/0x120 [ 53.888875][ T426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.893350][ T547] kernfs_new_node+0x97/0x170 [ 53.897921][ T426] Call Trace: [ 53.905855][ T547] __kernfs_create_file+0x4a/0x270 [ 53.905863][ T547] cgroup_addrm_files+0xab8/0xfe0 [ 53.905877][ T547] ? ____kasan_kmalloc+0xdc/0x110 [ 53.911306][ T426] __cleanup_mnt+0x19/0x20 [ 53.915515][ T547] ? __kasan_kmalloc+0x9/0x10 [ 53.915523][ T547] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 53.915535][ T547] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 53.920478][ T426] task_work_run+0x147/0x1b0 [ 53.928333][ T547] ? delete_node+0x759/0x7b0 [ 53.928341][ T547] ? __kasan_check_read+0x11/0x20 [ 53.928352][ T547] ? delete_node+0x759/0x7b0 [ 53.934040][ T426] exit_to_user_mode_loop+0xc8/0xe0 [ 53.941737][ T547] ? __kasan_check_write+0x14/0x20 [ 53.941747][ T547] ? idr_replace+0x1c4/0x230 [ 53.941760][ T547] ? idr_get_next+0x4b0/0x4b0 [ 53.946848][ T426] syscall_exit_to_user_mode+0x77/0xa0 [ 53.951344][ T547] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 53.956782][ T426] do_syscall_64+0x40/0x70 [ 53.960906][ T547] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 53.968948][ T426] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.973509][ T547] css_populate_dir+0x137/0x370 [ 53.976858][ T426] RIP: 0033:0x7f7f4f599557 [ 53.981849][ T547] cgroup_apply_control_enable+0x8b9/0x12f0 [ 53.986939][ T426] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.991855][ T547] cgroup_apply_control+0x93/0x710 [ 53.996350][ T426] RSP: 002b:00007fffbc675d18 EFLAGS: 00000246 [ 54.000892][ T547] ? css_next_child+0x160/0x160 [ 54.007277][ T426] ORIG_RAX: 00000000000000a6 [ 54.012631][ T547] ? io_schedule+0x120/0x120 [ 54.017285][ T426] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f7f4f599557 [ 54.021767][ T547] ? kernfs_fop_write_iter+0x15e/0x410 [ 54.026913][ T426] RDX: 00007fffbc675de9 RSI: 000000000000000a RDI: 00007fffbc675de0 [ 54.031456][ T547] ? __kasan_check_write+0x14/0x20 [ 54.037346][ T426] RBP: 00007fffbc675de0 R08: 00000000ffffffff R09: 00007fffbc675bb0 [ 54.042348][ T547] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 54.047183][ T426] R10: 00005555568feba3 R11: 0000000000000246 R12: 00007f7f4f5f11f8 [ 54.051644][ T547] cgroup_subtree_control_write+0xd19/0x1310 [ 54.057206][ T426] R13: 00007fffbc676ea0 R14: 00005555568feb00 R15: 00007fffbc676ee0 [ 54.062070][ T547] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.066586][ T426] ---[ end trace 8a172ed32f86a6e7 ]--- [ 54.071640][ T547] ? __kasan_check_write+0x14/0x20 [ 54.218127][ T547] ? _copy_from_iter+0x3fb/0xd60 [ 54.223152][ T547] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.229105][ T547] cgroup_file_write+0x28e/0x590 [ 54.234100][ T547] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.239360][ T547] ? mutex_lock+0xa6/0x110 [ 54.243747][ T547] ? mutex_trylock+0xb0/0xb0 [ 54.248326][ T547] ? __kasan_check_write+0x14/0x20 [ 54.253520][ T547] kernfs_fop_write_iter+0x2d0/0x410 [ 54.258798][ T547] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.263881][ T547] vfs_write+0xc1c/0xf40 [ 54.268104][ T547] ? kernel_write+0x3c0/0x3c0 [ 54.272755][ T547] ? mutex_trylock+0xb0/0xb0 [ 54.277316][ T547] ? __fdget_pos+0x26d/0x310 [ 54.281899][ T547] ? ksys_write+0x77/0x2c0 [ 54.286295][ T547] ksys_write+0x198/0x2c0 [ 54.290601][ T547] ? __ia32_sys_read+0x90/0x90 [ 54.295336][ T547] ? debug_smp_processor_id+0x17/0x20 [ 54.300680][ T547] __x64_sys_write+0x7b/0x90 [ 54.305243][ T547] do_syscall_64+0x34/0x70 [ 54.309643][ T547] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.315523][ T547] RIP: 0033:0x7f3bb1be00e9 [ 54.319922][ T547] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.339606][ T547] RSP: 002b:00007f3bb1b35168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.348084][ T547] RAX: ffffffffffffffda RBX: 00007f3bb1cf3030 RCX: 00007f3bb1be00e9 [ 54.356054][ T547] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.364002][ T547] RBP: 00007f3bb1b351d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.372064][ T547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.380021][ T547] R13: 00007fff1db9f33f R14: 00007f3bb1b35300 R15: 0000000000022000 [ 54.388859][ T547] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.398157][ T417] ------------[ cut here ]------------ [ 54.403615][ T417] WARNING: CPU: 1 PID: 417 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 54.412567][ T417] Modules linked in: [ 54.416513][ T417] CPU: 1 PID: 417 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 54.428770][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.439033][ T417] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 54.444647][ T417] Code: 48 c7 c2 80 03 04 86 e8 64 e3 8e ff e9 8b fc ff ff e8 2a 20 b6 ff e9 81 fc ff ff e8 20 20 b6 ff e9 77 fc ff ff e8 16 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 0a 20 b6 ff e8 55 ab a2 ff e9 ea fc ff ff [ 54.464574][ T417] RSP: 0018:ffffc90000ba7ca0 EFLAGS: 00010293 [ 54.470724][ T417] RAX: ffffffff81b6923a RBX: 00000000ffffffff RCX: ffff888106594f00 [ 54.479110][ T417] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 54.487116][ T417] RBP: ffffc90000ba7d70 R08: ffffffff81b68f28 R09: 0000000000000003 [ 54.495124][ T417] R10: fffff52000174f85 R11: 1ffff92000174f84 R12: dffffc0000000000 [ 54.503077][ T417] R13: ffff8881110a21c0 R14: ffffc90000ba7d00 R15: 1ffff92000174f9c [ 54.511787][ T417] FS: 0000555556615400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 54.520704][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.527281][ T417] CR2: 00007fff1db9dd58 CR3: 000000011aa18000 CR4: 00000000003506a0 [ 54.535243][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.543191][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.551511][ T417] Call Trace: [ 54.554791][ T417] ? lockref_get_or_lock+0x340/0x340 [ 54.560086][ T417] ? umount_tree+0xf50/0xf50 [ 54.564779][ T417] ? vfs_submount+0xb0/0xb0 [ 54.569364][ T417] ? dput+0x2b6/0x320 [ 54.573324][ T417] path_umount+0x1fe/0xfb0 [ 54.577735][ T417] ? namespace_unlock+0x4f0/0x4f0 [ 54.582737][ T417] ? user_path_at_empty+0x40/0x50 [ 54.587767][ T417] __x64_sys_umount+0x122/0x170 [ 54.592594][ T417] ? path_umount+0xfb0/0xfb0 [ 54.597191][ T417] ? debug_smp_processor_id+0x17/0x20 [ 54.602547][ T417] do_syscall_64+0x34/0x70 [ 54.606961][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.613088][ T417] RIP: 0033:0x7f3bb1be1557 [ 54.617502][ T417] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.637092][ T417] RSP: 002b:00007fff1db9e498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 54.645496][ T417] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3bb1be1557 [ 54.653620][ T417] RDX: 00007fff1db9e569 RSI: 000000000000000a RDI: 00007fff1db9e560 [ 54.661664][ T417] RBP: 00007fff1db9e560 R08: 00000000ffffffff R09: 00007fff1db9e330 [ 54.669642][ T417] R10: 0000555556616ba3 R11: 0000000000000246 R12: 00007f3bb1c391f8 [ 54.677959][ T417] R13: 00007fff1db9f620 R14: 0000555556616b00 R15: 00007fff1db9f660 [ 54.685920][ T417] ---[ end trace 8a172ed32f86a6e8 ]--- [ 54.699872][ T537] FAULT_INJECTION: forcing a failure. [ 54.699872][ T537] name failslab, interval 1, probability 0, space 0, times 0 [ 54.712602][ T537] CPU: 1 PID: 537 Comm: syz-executor.2 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 54.725075][ T537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.735103][ T537] Call Trace: [ 54.738462][ T537] dump_stack_lvl+0x1e2/0x24b [ 54.743111][ T537] ? bfq_pos_tree_add_move+0x43e/0x43e [ 54.748542][ T537] ? selinux_kernfs_init_security+0x1a8/0x760 [ 54.754591][ T537] dump_stack+0x15/0x17 [ 54.758722][ T537] should_fail+0x3c0/0x510 [ 54.763129][ T537] ? __kernfs_new_node+0x99/0x6e0 [ 54.768300][ T537] __should_failslab+0x9f/0xe0 [ 54.773057][ T537] should_failslab+0x9/0x20 [ 54.777550][ T537] __kmalloc_track_caller+0x5f/0x350 [ 54.782823][ T537] kstrdup_const+0x55/0x90 [ 54.787298][ T537] __kernfs_new_node+0x99/0x6e0 [ 54.792123][ T537] ? is_module_text_address+0xe1/0x140 [ 54.797578][ T537] ? kernfs_new_node+0x170/0x170 [ 54.802555][ T537] ? ptr_to_hashval+0x60/0x60 [ 54.807205][ T537] ? arch_stack_walk+0xf8/0x140 [ 54.812046][ T537] ? snprintf+0xd6/0x120 [ 54.816271][ T537] kernfs_new_node+0x97/0x170 [ 54.820917][ T537] __kernfs_create_file+0x4a/0x270 [ 54.826030][ T537] cgroup_addrm_files+0xab8/0xfe0 [ 54.831029][ T537] ? ____kasan_kmalloc+0xdc/0x110 [ 54.836241][ T537] ? __kasan_kmalloc+0x9/0x10 [ 54.840903][ T537] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 54.846794][ T537] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 54.852926][ T537] ? delete_node+0x759/0x7b0 [ 54.857491][ T537] ? __kasan_check_read+0x11/0x20 [ 54.862494][ T537] ? delete_node+0x759/0x7b0 [ 54.867053][ T537] ? __kasan_check_write+0x14/0x20 [ 54.872134][ T537] ? idr_replace+0x1c4/0x230 [ 54.876778][ T537] ? idr_get_next+0x4b0/0x4b0 [ 54.881484][ T537] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 54.886486][ T537] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 54.891655][ T537] css_populate_dir+0x137/0x370 [ 54.896480][ T537] cgroup_apply_control_enable+0x8b9/0x12f0 [ 54.902345][ T537] cgroup_apply_control+0x93/0x710 [ 54.907440][ T537] ? css_next_child+0x160/0x160 [ 54.912282][ T537] ? release_task_stack+0x4c2/0x660 [ 54.917465][ T537] ? io_schedule+0x120/0x120 [ 54.922118][ T537] ? kernfs_fop_write_iter+0x15e/0x410 [ 54.927551][ T537] ? __kasan_check_write+0x14/0x20 [ 54.932633][ T537] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 54.937889][ T537] cgroup_subtree_control_write+0xd19/0x1310 [ 54.943839][ T537] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.949789][ T537] ? __kasan_check_write+0x14/0x20 [ 54.954881][ T537] ? _copy_from_iter+0x3fb/0xd60 [ 54.959796][ T537] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.965752][ T537] cgroup_file_write+0x28e/0x590 [ 54.970661][ T537] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.975745][ T537] ? mutex_lock+0xa6/0x110 [ 54.980132][ T537] ? mutex_trylock+0xb0/0xb0 [ 54.984705][ T537] ? __kasan_check_write+0x14/0x20 [ 54.989874][ T537] kernfs_fop_write_iter+0x2d0/0x410 [ 54.995144][ T537] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.000227][ T537] vfs_write+0xc1c/0xf40 [ 55.004447][ T537] ? kernel_write+0x3c0/0x3c0 [ 55.009094][ T537] ? mutex_trylock+0xb0/0xb0 [ 55.013655][ T537] ? __fdget_pos+0x26d/0x310 [ 55.018216][ T537] ? ksys_write+0x77/0x2c0 [ 55.022606][ T537] ksys_write+0x198/0x2c0 [ 55.026906][ T537] ? __ia32_sys_read+0x90/0x90 [ 55.031641][ T537] ? debug_smp_processor_id+0x17/0x20 [ 55.036983][ T537] __x64_sys_write+0x7b/0x90 [ 55.041545][ T537] do_syscall_64+0x34/0x70 [ 55.045934][ T537] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.051799][ T537] RIP: 0033:0x7f0c7456d0e9 [ 55.056198][ T537] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.075877][ T537] RSP: 002b:00007f0c744c2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.084276][ T537] RAX: ffffffffffffffda RBX: 00007f0c74680030 RCX: 00007f0c7456d0e9 [ 55.092226][ T537] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.100173][ T537] RBP: 00007f0c744c21d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.108119][ T537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.116066][ T537] R13: 00007ffc9ba37b1f R14: 00007f0c744c2300 R15: 0000000000022000 [ 55.124676][ T537] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.134396][ T423] ------------[ cut here ]------------ [ 55.139930][ T423] WARNING: CPU: 0 PID: 423 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 55.148665][ T423] Modules linked in: [ 55.152604][ C0] list_add corruption. prev->next should be next (ffff8881f725c060), but was ffff888112e29870. (prev=ffff888112e29870). [ 55.152645][ C0] ------------[ cut here ]------------ [ 55.152648][ C0] kernel BUG at lib/list_debug.c:28! [ 55.152658][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 55.152665][ C0] CPU: 0 PID: 423 Comm: syz-executor.2 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 55.152668][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.152677][ C0] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 55.152683][ C0] Code: 48 c7 c7 40 db 43 85 4c 89 e6 4c 89 f1 31 c0 e8 ad 2b 40 02 0f 0b 48 c7 c7 00 dc 43 85 4c 89 f6 4c 89 e1 31 c0 e8 97 2b 40 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49 [ 55.152686][ C0] RSP: 0018:ffffc90000007a00 EFLAGS: 00010046 [ 55.152693][ C0] RAX: 0000000000000075 RBX: ffff8881f725c068 RCX: d6a1f122e57fa000 [ 55.152696][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 55.152699][ C0] RBP: ffffc90000007a28 R08: ffffffff8153a998 R09: ffffed103ee44e83 [ 55.152703][ C0] R10: ffffed103ee44e83 R11: 1ffff1103ee44e82 R12: ffff888112e29870 [ 55.152706][ C0] R13: dffffc0000000000 R14: ffff8881f725c060 R15: ffff888112e29870 [ 55.152710][ C0] FS: 0000555555cf8400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 55.152714][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.152717][ C0] CR2: 00007f46e63de280 CR3: 00000001085ed000 CR4: 00000000003506b0 [ 55.152723][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.152726][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.152728][ C0] Call Trace: [ 55.152730][ C0] [ 55.152736][ C0] insert_work+0x107/0x330 [ 55.152742][ C0] __queue_work+0x971/0xd30 [ 55.152747][ C0] queue_work_on+0xf2/0x150 [ 55.152752][ C0] ? wq_worker_last_func+0x50/0x50 [ 55.152757][ C0] ? __alloc_reserved_percpu+0x30/0x30 [ 55.152762][ C0] css_release+0xae/0xc0 [ 55.152768][ C0] percpu_ref_switch_to_atomic_rcu+0x5a2/0x5b0 [ 55.152773][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 55.152778][ C0] rcu_do_batch+0x59e/0xc40 [ 55.152784][ C0] ? local_bh_enable+0x20/0x20 [ 55.152789][ C0] ? lapic_next_event+0x5f/0x70 [ 55.152794][ C0] ? clockevents_program_event+0x218/0x2d0 [ 55.152798][ C0] rcu_core+0x59b/0xe30 [ 55.152803][ C0] ? rcu_cpu_kthread_park+0x90/0x90 [ 55.152808][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 55.152813][ C0] ? sched_clock+0x3a/0x40 [ 55.152817][ C0] ? sched_clock_cpu+0x1b/0x3b0 [ 55.152822][ C0] ? irqtime_account_irq+0x76/0x270 [ 55.152826][ C0] rcu_core_si+0x9/0x10 [ 55.152832][ C0] __do_softirq+0x27e/0x596 [ 55.152837][ C0] asm_call_irq_on_stack+0xf/0x20 [ 55.152839][ C0] [ 55.152843][ C0] do_softirq_own_stack+0x60/0x80 [ 55.152849][ C0] __irq_exit_rcu+0x128/0x150 [ 55.152853][ C0] irq_exit_rcu+0x9/0x10 [ 55.152859][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 55.152864][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 55.152870][ C0] RIP: 0010:console_unlock+0xb5c/0xf20 [ 55.152874][ C0] Code: 85 db 4c 8d b4 24 60 01 00 00 0f 85 82 03 00 00 e8 49 6e 00 00 48 8b 44 24 30 48 89 84 24 90 00 00 00 ff b4 24 90 00 00 00 9d <48> 8b 44 24 38 42 80 3c 38 00 74 08 4c 89 f7 e8 f0 e0 52 00 48 c7 [ 55.152877][ C0] RSP: 0018:ffffc90000c976c0 EFLAGS: 00000246 [ 55.152882][ C0] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff88810c290000 [ 55.152884][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 55.152888][ C0] RBP: ffffc90000c97950 R08: ffffffff8153a4db R09: 0000000000000003 [ 55.152891][ C0] R10: fffff52000192ec9 R11: 1ffff92000192ec8 R12: ffffc90000c978c0 [ 55.152894][ C0] R13: 1ffffffff0c3ad81 R14: ffffc90000c97820 R15: dffffc0000000000 [ 55.152899][ C0] ? console_unlock+0xb1b/0xf20 [ 55.152906][ C0] ? __kasan_check_write+0x14/0x20 [ 55.152910][ C0] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 55.152915][ C0] ? vprintk_emit+0x640/0x640 [ 55.152922][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 55.152930][ C0] ? log_output+0x207/0x4d0 [ 55.152939][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 55.152949][ C0] ? resume_console+0x50/0x50 [ 55.152956][ C0] ? _raw_spin_lock+0xa3/0x1b0 [ 55.152965][ C0] ? __kasan_check_write+0x14/0x20 [ 55.152974][ C0] vprintk_emit+0x44b/0x640 [ 55.152983][ C0] ? tick_nohz_tick_stopped+0x7e/0xc0 [ 55.152991][ C0] ? log_output+0x4d0/0x4d0 [ 55.152999][ C0] ? wake_up_klogd+0xc1/0xf0 [ 55.153008][ C0] vprintk_default+0x26/0x30 [ 55.153015][ C0] vprintk_func+0x19d/0x1e0 [ 55.153023][ C0] printk+0xcf/0x10f [ 55.153030][ C0] ? log_output+0x4d0/0x4d0 [ 55.153038][ C0] ? wake_up_klogd+0xb8/0xf0 [ 55.153043][ C0] ? panic+0x7d7/0x7d7 [ 55.153048][ C0] ? vprintk_default+0x26/0x30 [ 55.153052][ C0] print_modules+0xf8/0x1f0 [ 55.153057][ C0] ? is_module_text_address+0x140/0x140 [ 55.153061][ C0] ? panic+0x7d7/0x7d7 [ 55.153065][ C0] __warn+0xf5/0x260 [ 55.153069][ C0] ? cleanup_mnt+0x4c5/0x510 [ 55.153074][ C0] report_bug+0x410/0x580 [ 55.153077][ C0] ? cleanup_mnt+0x4c5/0x510 [ 55.153082][ C0] handle_bug+0x41/0x70 [ 55.153086][ C0] exc_invalid_op+0x1b/0x50 [ 55.153090][ C0] asm_exc_invalid_op+0x12/0x20 [ 55.153095][ C0] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 55.153099][ C0] Code: 01 a1 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4e 06 b5 ff 48 8b 7d d0 e8 c5 07 05 00 e9 21 fd ff ff e8 3b 06 b5 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 58 db 5e 86 80 e1 07 80 c1 03 38 c1 [ 55.153102][ C0] RSP: 0018:ffffc90000c97e30 EFLAGS: 00010293 [ 55.153107][ C0] RAX: ffffffff81b7ac15 RBX: ffffe8ffffd49fcc RCX: ffff88810c290000 [ 55.153110][ C0] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 55.153113][ C0] RBP: ffffc90000c97e80 R08: ffffffff81b7a8f3 R09: 0000000000000003 [ 55.153116][ C0] R10: fffff52000192fc5 R11: 1ffff92000192fc4 R12: ffff888121b1b728 [ 55.153119][ C0] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 55.153124][ C0] ? cleanup_mnt+0x1a3/0x510 [ 55.153127][ C0] ? cleanup_mnt+0x4c5/0x510 [ 55.153132][ C0] __cleanup_mnt+0x19/0x20 [ 55.153136][ C0] task_work_run+0x147/0x1b0 [ 55.153141][ C0] exit_to_user_mode_loop+0xc8/0xe0 [ 55.153146][ C0] syscall_exit_to_user_mode+0x77/0xa0 [ 55.153150][ C0] do_syscall_64+0x40/0x70 [ 55.153154][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.153158][ C0] RIP: 0033:0x7f0c7456e557 [ 55.153163][ C0] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.153166][ C0] RSP: 002b:00007ffc9ba36c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 55.153171][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0c7456e557 [ 55.153175][ C0] RDX: 00007ffc9ba36d49 RSI: 000000000000000a RDI: 00007ffc9ba36d40 [ 55.153178][ C0] RBP: 00007ffc9ba36d40 R08: 00000000ffffffff R09: 00007ffc9ba36b10 [ 55.153181][ C0] R10: 0000555555cf9ba3 R11: 0000000000000246 R12: 00007f0c745c61f8 [ 55.153184][ C0] R13: 00007ffc9ba37e00 R14: 0000555555cf9b00 R15: 00007ffc9ba37e40 [ 55.153186][ C0] Modules linked in: [ 55.153192][ C0] ---[ end trace 8a172ed32f86a6e9 ]--- [ 55.153197][ C0] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 55.153200][ C0] Code: 48 c7 c7 40 db 43 85 4c 89 e6 4c 89 f1 31 c0 e8 ad 2b 40 02 0f 0b 48 c7 c7 00 dc 43 85 4c 89 f6 4c 89 e1 31 c0 e8 97 2b 40 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49 [ 55.153203][ C0] RSP: 0018:ffffc90000007a00 EFLAGS: 00010046 [ 55.153208][ C0] RAX: 0000000000000075 RBX: ffff8881f725c068 RCX: d6a1f122e57fa000 [ 55.153210][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 55.153214][ C0] RBP: ffffc90000007a28 R08: ffffffff8153a998 R09: ffffed103ee44e83 [ 55.153217][ C0] R10: ffffed103ee44e83 R11: 1ffff1103ee44e82 R12: ffff888112e29870 [ 55.153220][ C0] R13: dffffc0000000000 R14: ffff8881f725c060 R15: ffff888112e29870 [ 55.153224][ C0] FS: 0000555555cf8400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 55.153227][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.153230][ C0] CR2: 00007f46e63de280 CR3: 00000001085ed000 CR4: 00000000003506b0 [ 55.153233][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.153236][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.153239][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 55.153514][ C0] Kernel Offset: disabled [ 55.980165][ C0] Rebooting in 86400 seconds..