DUID 00:04:19:fc:1d:7f:14:5b:d7:38:ab:cc:58:64:7d:90:93:01
forked to background, child pid 196
Starting sshd: OK

syzkaller
syzkaller login: [   11.015606][   T24] kauditd_printk_skb: 60 callbacks suppressed
[   11.015612][   T24] audit: type=1400 audit(1658023615.489:71): avc:  denied  { transition } for  pid=289 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   11.021842][   T24] audit: type=1400 audit(1658023615.499:72): avc:  denied  { write } for  pid=289 comm="sh" path="pipe:[11361]" dev="pipefs" ino=11361 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1
Warning: Permanently added '10.128.0.65' (ECDSA) to the list of known hosts.
[  334.192373][   T24] audit: type=1400 audit(1658023938.669:73): avc:  denied  { execmem } for  pid=364 comm="syz-executor340" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[  334.197631][   T24] audit: type=1400 audit(1658023938.669:74): avc:  denied  { mounton } for  pid=364 comm="syz-executor340" path="/syzcgroup/unified" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1
[  334.201713][   T24] audit: type=1400 audit(1658023938.689:75): avc:  denied  { mount } for  pid=364 comm="syz-executor340" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[  334.202474][  T364] cgroup: Unknown subsys name 'net'
[  334.207410][   T24] audit: type=1400 audit(1658023938.689:76): avc:  denied  { unmount } for  pid=364 comm="syz-executor340" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[  334.207548][  T364] cgroup: Unknown subsys name 'devices'
[  334.299300][  T364] cgroup: Unknown subsys name 'hugetlb'
[  334.304882][  T364] cgroup: Unknown subsys name 'rlimit'
executing program
[  334.518678][   T24] audit: type=1400 audit(1658023938.999:77): avc:  denied  { setattr } for  pid=364 comm="syz-executor340" name="raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[  334.544228][  T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation
executing program
executing program
executing program
[  334.578000][   T24] audit: type=1400 audit(1658023938.999:78): avc:  denied  { mounton } for  pid=373 comm="syz-executor340" 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
[  334.605422][   T24] audit: type=1400 audit(1658023938.999:79): avc:  denied  { mount } for  pid=373 comm="syz-executor340" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
executing program
executing program
[  334.627874][   T24] audit: type=1400 audit(1658023938.999:80): avc:  denied  { mounton } for  pid=373 comm="syz-executor340" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[  334.649622][   T24] audit: type=1400 audit(1658023939.019:81): avc:  denied  { mounton } for  pid=373 comm="syz-executor340" path="/dev/binderfs" dev="devtmpfs" ino=363 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[  334.672598][   T24] audit: type=1400 audit(1658023939.019:82): avc:  denied  { mount } for  pid=373 comm="syz-executor340" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1
[  334.679560][  T377] FAULT_INJECTION: forcing a failure.
[  334.679560][  T377] name failslab, interval 1, probability 0, space 0, times 1
[  334.707870][  T377] CPU: 0 PID: 377 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  334.718081][  T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  334.728113][  T377] Call Trace:
[  334.731379][  T377]  dump_stack_lvl+0x1e2/0x24b
[  334.736030][  T377]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  334.741474][  T377]  ? selinux_kernfs_init_security+0x1a8/0x760
[  334.747532][  T377]  dump_stack+0x15/0x17
[  334.751668][  T377]  should_fail+0x3c0/0x510
[  334.756065][  T377]  ? __kernfs_new_node+0x99/0x6e0
[  334.761071][  T377]  __should_failslab+0x9f/0xe0
[  334.765817][  T377]  should_failslab+0x9/0x20
[  334.770289][  T377]  __kmalloc_track_caller+0x5f/0x350
[  334.775548][  T377]  kstrdup_const+0x55/0x90
[  334.779934][  T377]  __kernfs_new_node+0x99/0x6e0
[  334.784757][  T377]  ? is_module_text_address+0xe1/0x140
[  334.790186][  T377]  ? kernfs_new_node+0x170/0x170
[  334.795095][  T377]  ? ptr_to_hashval+0x60/0x60
[  334.799741][  T377]  ? snprintf+0xd6/0x120
[  334.803959][  T377]  ? __kasan_check_write+0x14/0x20
[  334.809062][  T377]  ? mutex_unlock+0x1d/0x40
[  334.813548][  T377]  kernfs_new_node+0x97/0x170
[  334.818207][  T377]  __kernfs_create_file+0x4a/0x270
[  334.823290][  T377]  cgroup_addrm_files+0xab8/0xfe0
[  334.828303][  T377]  ? ____kasan_kmalloc+0xdc/0x110
[  334.833301][  T377]  ? __kasan_kmalloc+0x9/0x10
[  334.837949][  T377]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  334.843465][  T377]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  334.849590][  T377]  ? delete_node+0x759/0x7b0
[  334.854153][  T377]  ? __kasan_check_read+0x11/0x20
[  334.859153][  T377]  ? idr_replace+0x1c4/0x230
[  334.863717][  T377]  ? idr_get_next+0x4b0/0x4b0
[  334.868368][  T377]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  334.873368][  T377]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  334.878563][  T377]  css_populate_dir+0x137/0x370
[  334.883387][  T377]  cgroup_apply_control_enable+0x8b9/0x12f0
[  334.889255][  T377]  cgroup_apply_control+0x93/0x710
[  334.894339][  T377]  ? css_next_child+0x160/0x160
[  334.899160][  T377]  ? stack_trace_save+0x12d/0x1f0
[  334.904161][  T377]  ? io_schedule+0x120/0x120
[  334.908726][  T377]  ? kernfs_fop_write_iter+0x15e/0x410
[  334.914177][  T377]  ? __kasan_check_write+0x14/0x20
[  334.919264][  T377]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  334.924521][  T377]  cgroup_subtree_control_write+0xd19/0x1310
[  334.930476][  T377]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  334.936426][  T377]  ? __kasan_check_write+0x14/0x20
[  334.941509][  T377]  ? _copy_from_iter+0x3fb/0xd60
[  334.946420][  T377]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  334.952381][  T377]  cgroup_file_write+0x28e/0x590
[  334.957294][  T377]  ? cgroup_seqfile_stop+0xc0/0xc0
[  334.962381][  T377]  ? mutex_lock+0xa6/0x110
[  334.966772][  T377]  ? mutex_trylock+0xb0/0xb0
[  334.971337][  T377]  ? __kasan_check_write+0x14/0x20
[  334.976424][  T377]  kernfs_fop_write_iter+0x2d0/0x410
[  334.981703][  T377]  ? cgroup_seqfile_stop+0xc0/0xc0
[  334.986812][  T377]  vfs_write+0xc1c/0xf40
[  334.991045][  T377]  ? slab_free_freelist_hook+0xcc/0x1a0
[  334.996567][  T377]  ? kernel_write+0x3c0/0x3c0
[  335.001219][  T377]  ? do_sys_openat2+0x397/0x470
[  335.006044][  T377]  ? __kasan_check_read+0x11/0x20
[  335.011044][  T377]  ? __fdget_pos+0x27e/0x310
[  335.015610][  T377]  ksys_write+0x198/0x2c0
[  335.019915][  T377]  ? __ia32_sys_read+0x90/0x90
[  335.024657][  T377]  ? debug_smp_processor_id+0x17/0x20
[  335.030000][  T377]  __x64_sys_write+0x7b/0x90
[  335.034566][  T377]  do_syscall_64+0x34/0x70
[  335.038959][  T377]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  335.044825][  T377] RIP: 0033:0x7efdb4cf77c9
[  335.049216][  T377] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  335.068802][  T377] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  335.077187][  T377] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  335.085130][  T377] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  335.093076][  T377] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  335.101021][  T377] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  335.108965][  T377] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000000
[  335.117145][  T377] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  335.168234][  T382] FAULT_INJECTION: forcing a failure.
[  335.168234][  T382] name failslab, interval 1, probability 0, space 0, times 0
[  335.180979][  T382] CPU: 1 PID: 382 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  335.191190][  T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  335.201221][  T382] Call Trace:
[  335.204490][  T382]  dump_stack_lvl+0x1e2/0x24b
[  335.209140][  T382]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  335.214574][  T382]  ? selinux_kernfs_init_security+0x1a8/0x760
[  335.220613][  T382]  dump_stack+0x15/0x17
[  335.224743][  T382]  should_fail+0x3c0/0x510
[  335.229134][  T382]  ? __kernfs_new_node+0x99/0x6e0
[  335.234129][  T382]  __should_failslab+0x9f/0xe0
[  335.238864][  T382]  should_failslab+0x9/0x20
[  335.243336][  T382]  __kmalloc_track_caller+0x5f/0x350
[  335.248595][  T382]  kstrdup_const+0x55/0x90
[  335.252987][  T382]  __kernfs_new_node+0x99/0x6e0
[  335.257810][  T382]  ? is_module_text_address+0xe1/0x140
[  335.263240][  T382]  ? kernfs_new_node+0x170/0x170
[  335.268150][  T382]  ? ptr_to_hashval+0x60/0x60
[  335.272816][  T382]  ? snprintf+0xd6/0x120
[  335.277138][  T382]  ? __kasan_check_write+0x14/0x20
[  335.282221][  T382]  ? mutex_unlock+0x1d/0x40
[  335.286695][  T382]  kernfs_new_node+0x97/0x170
[  335.291342][  T382]  __kernfs_create_file+0x4a/0x270
[  335.296444][  T382]  cgroup_addrm_files+0xab8/0xfe0
[  335.301443][  T382]  ? ____kasan_kmalloc+0xdc/0x110
[  335.306454][  T382]  ? __kasan_kmalloc+0x9/0x10
[  335.311104][  T382]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  335.316640][  T382]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  335.322770][  T382]  ? delete_node+0x759/0x7b0
[  335.327331][  T382]  ? __kasan_check_read+0x11/0x20
[  335.332342][  T382]  ? idr_replace+0x1c4/0x230
[  335.336996][  T382]  ? idr_get_next+0x4b0/0x4b0
[  335.341679][  T382]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  335.346682][  T382]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  335.351858][  T382]  css_populate_dir+0x137/0x370
[  335.356711][  T382]  cgroup_apply_control_enable+0x8b9/0x12f0
[  335.362584][  T382]  cgroup_apply_control+0x93/0x710
[  335.367675][  T382]  ? css_next_child+0x160/0x160
[  335.372504][  T382]  ? stack_trace_save+0x12d/0x1f0
[  335.377506][  T382]  ? io_schedule+0x120/0x120
[  335.382073][  T382]  ? kernfs_fop_write_iter+0x15e/0x410
[  335.387504][  T382]  ? __kasan_check_write+0x14/0x20
[  335.392608][  T382]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  335.397884][  T382]  cgroup_subtree_control_write+0xd19/0x1310
[  335.403839][  T382]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  335.409793][  T382]  ? __kasan_check_write+0x14/0x20
[  335.414875][  T382]  ? _copy_from_iter+0x3fb/0xd60
[  335.419785][  T382]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  335.425738][  T382]  cgroup_file_write+0x28e/0x590
[  335.430651][  T382]  ? cgroup_seqfile_stop+0xc0/0xc0
[  335.435735][  T382]  ? mutex_lock+0xa6/0x110
[  335.440134][  T382]  ? mutex_trylock+0xb0/0xb0
[  335.444736][  T382]  ? __kasan_check_write+0x14/0x20
[  335.449906][  T382]  kernfs_fop_write_iter+0x2d0/0x410
[  335.455167][  T382]  ? cgroup_seqfile_stop+0xc0/0xc0
[  335.460268][  T382]  vfs_write+0xc1c/0xf40
[  335.464484][  T382]  ? slab_free_freelist_hook+0xcc/0x1a0
[  335.470002][  T382]  ? kernel_write+0x3c0/0x3c0
[  335.474651][  T382]  ? do_sys_openat2+0x397/0x470
[  335.479481][  T382]  ? __kasan_check_read+0x11/0x20
[  335.484479][  T382]  ? __fdget_pos+0x27e/0x310
[  335.489042][  T382]  ksys_write+0x198/0x2c0
[  335.493351][  T382]  ? __ia32_sys_read+0x90/0x90
[  335.498088][  T382]  ? debug_smp_processor_id+0x17/0x20
[  335.503442][  T382]  __x64_sys_write+0x7b/0x90
[  335.508016][  T382]  do_syscall_64+0x34/0x70
[  335.512405][  T382]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  335.518276][  T382] RIP: 0033:0x7efdb4cf77c9
[  335.522668][  T382] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  335.542246][  T382] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  335.550641][  T382] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  335.558589][  T382] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  335.566537][  T382] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  335.574485][  T382] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  335.582445][  T382] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000000
[  335.590771][  T382] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  335.638242][  T383] FAULT_INJECTION: forcing a failure.
[  335.638242][  T383] name failslab, interval 1, probability 0, space 0, times 0
[  335.650905][  T383] CPU: 0 PID: 383 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  335.661121][  T383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  335.671160][  T383] Call Trace:
[  335.674429][  T383]  dump_stack_lvl+0x1e2/0x24b
[  335.679085][  T383]  ? panic+0x7d7/0x7d7
[  335.683127][  T383]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  335.688559][  T383]  ? selinux_kernfs_init_security+0x1a8/0x760
[  335.694599][  T383]  dump_stack+0x15/0x17
[  335.698732][  T383]  should_fail+0x3c0/0x510
[  335.703123][  T383]  __should_failslab+0x9f/0xe0
[  335.707861][  T383]  should_failslab+0x9/0x20
[  335.712348][  T383]  kmem_cache_alloc+0x3f/0x300
[  335.717203][  T383]  ? __kernfs_new_node+0xdb/0x6e0
[  335.722199][  T383]  __kernfs_new_node+0xdb/0x6e0
[  335.727031][  T383]  ? is_module_text_address+0xe1/0x140
[  335.732460][  T383]  ? kernfs_new_node+0x170/0x170
[  335.737396][  T383]  ? ptr_to_hashval+0x60/0x60
[  335.742061][  T383]  ? snprintf+0xd6/0x120
[  335.746281][  T383]  ? __kasan_check_write+0x14/0x20
[  335.751364][  T383]  ? mutex_unlock+0x1d/0x40
[  335.755846][  T383]  kernfs_new_node+0x97/0x170
[  335.760506][  T383]  __kernfs_create_file+0x4a/0x270
[  335.765591][  T383]  cgroup_addrm_files+0xab8/0xfe0
[  335.770593][  T383]  ? ____kasan_kmalloc+0xdc/0x110
[  335.775699][  T383]  ? __kasan_kmalloc+0x9/0x10
[  335.780352][  T383]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  335.785875][  T383]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  335.792005][  T383]  ? delete_node+0x759/0x7b0
[  335.796571][  T383]  ? __kasan_check_read+0x11/0x20
[  335.801570][  T383]  ? idr_replace+0x1c4/0x230
[  335.806130][  T383]  ? idr_get_next+0x4b0/0x4b0
[  335.810776][  T383]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  335.815775][  T383]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  335.820948][  T383]  css_populate_dir+0x137/0x370
[  335.825772][  T383]  cgroup_apply_control_enable+0x8b9/0x12f0
[  335.831639][  T383]  cgroup_apply_control+0x93/0x710
[  335.836722][  T383]  ? css_next_child+0x160/0x160
[  335.841563][  T383]  ? stack_trace_save+0x12d/0x1f0
[  335.846560][  T383]  ? io_schedule+0x120/0x120
[  335.851143][  T383]  ? kernfs_fop_write_iter+0x15e/0x410
[  335.856577][  T383]  ? __kasan_check_write+0x14/0x20
[  335.861659][  T383]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  335.866920][  T383]  cgroup_subtree_control_write+0xd19/0x1310
[  335.872871][  T383]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  335.878820][  T383]  ? __kasan_check_write+0x14/0x20
[  335.883901][  T383]  ? _copy_from_iter+0x3fb/0xd60
[  335.888812][  T383]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  335.894785][  T383]  cgroup_file_write+0x28e/0x590
[  335.899697][  T383]  ? cgroup_seqfile_stop+0xc0/0xc0
[  335.904779][  T383]  ? mutex_lock+0xa6/0x110
[  335.909167][  T383]  ? mutex_trylock+0xb0/0xb0
[  335.913729][  T383]  ? __kasan_check_write+0x14/0x20
[  335.918814][  T383]  kernfs_fop_write_iter+0x2d0/0x410
[  335.924069][  T383]  ? cgroup_seqfile_stop+0xc0/0xc0
[  335.929150][  T383]  vfs_write+0xc1c/0xf40
[  335.933366][  T383]  ? slab_free_freelist_hook+0xcc/0x1a0
[  335.938885][  T383]  ? kernel_write+0x3c0/0x3c0
[  335.943536][  T383]  ? do_sys_openat2+0x397/0x470
[  335.948362][  T383]  ? __kasan_check_read+0x11/0x20
[  335.953358][  T383]  ? __fdget_pos+0x27e/0x310
[  335.957960][  T383]  ksys_write+0x198/0x2c0
[  335.962283][  T383]  ? __ia32_sys_read+0x90/0x90
[  335.967022][  T383]  ? debug_smp_processor_id+0x17/0x20
[  335.972377][  T383]  __x64_sys_write+0x7b/0x90
[  335.976954][  T383]  do_syscall_64+0x34/0x70
[  335.981353][  T383]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  335.987218][  T383] RIP: 0033:0x7efdb4cf77c9
[  335.991724][  T383] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  336.011310][  T383] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  336.019700][  T383] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  336.027645][  T383] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  336.035625][  T383] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  336.043583][  T383] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  336.051529][  T383] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000000
[  336.059586][  T383] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  336.098158][  T387] FAULT_INJECTION: forcing a failure.
[  336.098158][  T387] name failslab, interval 1, probability 0, space 0, times 0
[  336.110792][  T387] CPU: 0 PID: 387 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  336.121017][  T387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  336.131064][  T387] Call Trace:
[  336.134332][  T387]  dump_stack_lvl+0x1e2/0x24b
[  336.138983][  T387]  ? panic+0x7d7/0x7d7
[  336.143023][  T387]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  336.148458][  T387]  ? selinux_kernfs_init_security+0x1a8/0x760
[  336.154505][  T387]  dump_stack+0x15/0x17
[  336.158638][  T387]  should_fail+0x3c0/0x510
[  336.163033][  T387]  __should_failslab+0x9f/0xe0
[  336.167772][  T387]  should_failslab+0x9/0x20
[  336.172251][  T387]  kmem_cache_alloc+0x3f/0x300
[  336.176989][  T387]  ? __kernfs_new_node+0xdb/0x6e0
[  336.181990][  T387]  __kernfs_new_node+0xdb/0x6e0
[  336.186814][  T387]  ? is_module_text_address+0xe1/0x140
[  336.192249][  T387]  ? kernfs_new_node+0x170/0x170
[  336.197164][  T387]  ? ptr_to_hashval+0x60/0x60
[  336.201815][  T387]  ? snprintf+0xd6/0x120
[  336.206031][  T387]  ? __kasan_check_write+0x14/0x20
[  336.211115][  T387]  ? mutex_unlock+0x1d/0x40
[  336.215592][  T387]  kernfs_new_node+0x97/0x170
[  336.220245][  T387]  __kernfs_create_file+0x4a/0x270
[  336.225332][  T387]  cgroup_addrm_files+0xab8/0xfe0
[  336.230332][  T387]  ? ____kasan_kmalloc+0xdc/0x110
[  336.235331][  T387]  ? __kasan_kmalloc+0x9/0x10
[  336.239982][  T387]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  336.245502][  T387]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  336.251630][  T387]  ? delete_node+0x759/0x7b0
[  336.256201][  T387]  ? __kasan_check_read+0x11/0x20
[  336.261203][  T387]  ? idr_replace+0x1c4/0x230
[  336.265783][  T387]  ? idr_get_next+0x4b0/0x4b0
[  336.270436][  T387]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  336.275437][  T387]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  336.280629][  T387]  css_populate_dir+0x137/0x370
[  336.285455][  T387]  cgroup_apply_control_enable+0x8b9/0x12f0
[  336.291343][  T387]  cgroup_apply_control+0x93/0x710
[  336.296432][  T387]  ? css_next_child+0x160/0x160
[  336.301353][  T387]  ? stack_trace_save+0x12d/0x1f0
[  336.306368][  T387]  ? io_schedule+0x120/0x120
[  336.310934][  T387]  ? kernfs_fop_write_iter+0x15e/0x410
[  336.316369][  T387]  ? __kasan_check_write+0x14/0x20
[  336.321460][  T387]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  336.326720][  T387]  cgroup_subtree_control_write+0xd19/0x1310
[  336.332674][  T387]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  336.338629][  T387]  ? __kasan_check_write+0x14/0x20
[  336.343714][  T387]  ? _copy_from_iter+0x3fb/0xd60
[  336.348624][  T387]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  336.354576][  T387]  cgroup_file_write+0x28e/0x590
[  336.359492][  T387]  ? cgroup_seqfile_stop+0xc0/0xc0
[  336.364576][  T387]  ? mutex_lock+0xa6/0x110
[  336.368968][  T387]  ? mutex_trylock+0xb0/0xb0
[  336.373537][  T387]  ? __kasan_check_write+0x14/0x20
[  336.378623][  T387]  kernfs_fop_write_iter+0x2d0/0x410
[  336.383881][  T387]  ? cgroup_seqfile_stop+0xc0/0xc0
[  336.388968][  T387]  vfs_write+0xc1c/0xf40
[  336.393185][  T387]  ? slab_free_freelist_hook+0xcc/0x1a0
[  336.398707][  T387]  ? kernel_write+0x3c0/0x3c0
[  336.403359][  T387]  ? do_sys_openat2+0x397/0x470
[  336.408184][  T387]  ? __kasan_check_read+0x11/0x20
[  336.413183][  T387]  ? __fdget_pos+0x27e/0x310
[  336.417765][  T387]  ksys_write+0x198/0x2c0
[  336.422119][  T387]  ? __ia32_sys_read+0x90/0x90
[  336.426864][  T387]  ? debug_smp_processor_id+0x17/0x20
[  336.432211][  T387]  __x64_sys_write+0x7b/0x90
[  336.436774][  T387]  do_syscall_64+0x34/0x70
[  336.441166][  T387]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  336.447032][  T387] RIP: 0033:0x7efdb4cf77c9
[  336.451423][  T387] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  336.471020][  T387] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  336.479409][  T387] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  336.487372][  T387] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  336.495319][  T387] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  336.503267][  T387] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  336.511216][  T387] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000001
[  336.519357][  T387] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  336.558010][  T384] FAULT_INJECTION: forcing a failure.
[  336.558010][  T384] name failslab, interval 1, probability 0, space 0, times 0
[  336.570675][  T384] CPU: 1 PID: 384 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  336.580915][  T384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  336.590942][  T384] Call Trace:
[  336.594209][  T384]  dump_stack_lvl+0x1e2/0x24b
[  336.598856][  T384]  ? panic+0x7d7/0x7d7
[  336.602897][  T384]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  336.608331][  T384]  ? selinux_kernfs_init_security+0x1a8/0x760
[  336.614371][  T384]  dump_stack+0x15/0x17
[  336.618550][  T384]  should_fail+0x3c0/0x510
[  336.622956][  T384]  __should_failslab+0x9f/0xe0
[  336.627695][  T384]  should_failslab+0x9/0x20
[  336.632171][  T384]  kmem_cache_alloc+0x3f/0x300
[  336.636906][  T384]  ? __kernfs_new_node+0xdb/0x6e0
[  336.641901][  T384]  __kernfs_new_node+0xdb/0x6e0
[  336.646728][  T384]  ? is_module_text_address+0xe1/0x140
[  336.652159][  T384]  ? kernfs_new_node+0x170/0x170
[  336.657066][  T384]  ? ptr_to_hashval+0x60/0x60
[  336.661715][  T384]  ? snprintf+0xd6/0x120
[  336.665945][  T384]  ? __kasan_check_write+0x14/0x20
[  336.671034][  T384]  ? mutex_unlock+0x1d/0x40
[  336.675518][  T384]  kernfs_new_node+0x97/0x170
[  336.680170][  T384]  __kernfs_create_file+0x4a/0x270
[  336.685251][  T384]  cgroup_addrm_files+0xab8/0xfe0
[  336.690248][  T384]  ? ____kasan_kmalloc+0xdc/0x110
[  336.695244][  T384]  ? __kasan_kmalloc+0x9/0x10
[  336.699893][  T384]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  336.705433][  T384]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  336.711570][  T384]  ? delete_node+0x759/0x7b0
[  336.716137][  T384]  ? __kasan_check_read+0x11/0x20
[  336.721140][  T384]  ? idr_replace+0x1c4/0x230
[  336.725706][  T384]  ? idr_get_next+0x4b0/0x4b0
[  336.730364][  T384]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  336.735375][  T384]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  336.740544][  T384]  css_populate_dir+0x137/0x370
[  336.745370][  T384]  cgroup_apply_control_enable+0x8b9/0x12f0
[  336.751245][  T384]  cgroup_apply_control+0x93/0x710
[  336.756340][  T384]  ? css_next_child+0x160/0x160
[  336.761171][  T384]  ? stack_trace_save+0x12d/0x1f0
[  336.766174][  T384]  ? io_schedule+0x120/0x120
[  336.770745][  T384]  ? kernfs_fop_write_iter+0x15e/0x410
[  336.776189][  T384]  ? __kasan_check_write+0x14/0x20
[  336.781271][  T384]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  336.786528][  T384]  cgroup_subtree_control_write+0xd19/0x1310
[  336.792480][  T384]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  336.798453][  T384]  ? __kasan_check_write+0x14/0x20
[  336.803537][  T384]  ? _copy_from_iter+0x3fb/0xd60
[  336.808448][  T384]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  336.814404][  T384]  cgroup_file_write+0x28e/0x590
[  336.819332][  T384]  ? cgroup_seqfile_stop+0xc0/0xc0
[  336.824429][  T384]  ? mutex_lock+0xa6/0x110
[  336.828815][  T384]  ? mutex_trylock+0xb0/0xb0
[  336.833374][  T384]  ? __kasan_check_write+0x14/0x20
[  336.838457][  T384]  kernfs_fop_write_iter+0x2d0/0x410
[  336.843714][  T384]  ? cgroup_seqfile_stop+0xc0/0xc0
[  336.848795][  T384]  vfs_write+0xc1c/0xf40
[  336.853024][  T384]  ? slab_free_freelist_hook+0xcc/0x1a0
[  336.858539][  T384]  ? kernel_write+0x3c0/0x3c0
[  336.863197][  T384]  ? do_sys_openat2+0x397/0x470
[  336.868031][  T384]  ? __kasan_check_read+0x11/0x20
[  336.873029][  T384]  ? __fdget_pos+0x27e/0x310
[  336.877599][  T384]  ksys_write+0x198/0x2c0
[  336.881901][  T384]  ? __ia32_sys_read+0x90/0x90
[  336.886645][  T384]  ? debug_smp_processor_id+0x17/0x20
[  336.891990][  T384]  __x64_sys_write+0x7b/0x90
[  336.896552][  T384]  do_syscall_64+0x34/0x70
[  336.900941][  T384]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  336.906801][  T384] RIP: 0033:0x7efdb4cf77c9
[  336.911189][  T384] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  336.930774][  T384] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  336.939180][  T384] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  336.947131][  T384] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  336.955102][  T384] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  336.963052][  T384] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  336.971000][  T384] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000000
[  336.979131][  T384] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  337.008004][  T385] FAULT_INJECTION: forcing a failure.
[  337.008004][  T385] name failslab, interval 1, probability 0, space 0, times 0
[  337.020671][  T385] CPU: 1 PID: 385 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  337.030894][  T385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  337.040928][  T385] Call Trace:
[  337.044193][  T385]  dump_stack_lvl+0x1e2/0x24b
[  337.048847][  T385]  ? panic+0x7d7/0x7d7
[  337.052924][  T385]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  337.058380][  T385]  ? selinux_kernfs_init_security+0x1a8/0x760
[  337.064430][  T385]  dump_stack+0x15/0x17
[  337.068565][  T385]  should_fail+0x3c0/0x510
[  337.072956][  T385]  __should_failslab+0x9f/0xe0
[  337.077709][  T385]  should_failslab+0x9/0x20
[  337.082211][  T385]  kmem_cache_alloc+0x3f/0x300
[  337.086967][  T385]  ? __kernfs_new_node+0xdb/0x6e0
[  337.091968][  T385]  __kernfs_new_node+0xdb/0x6e0
[  337.096793][  T385]  ? is_module_text_address+0xe1/0x140
[  337.102224][  T385]  ? kernfs_new_node+0x170/0x170
[  337.107136][  T385]  ? ptr_to_hashval+0x60/0x60
[  337.111793][  T385]  ? snprintf+0xd6/0x120
[  337.116272][  T385]  ? __kasan_check_write+0x14/0x20
[  337.121410][  T385]  ? mutex_unlock+0x1d/0x40
[  337.125892][  T385]  kernfs_new_node+0x97/0x170
[  337.130559][  T385]  __kernfs_create_file+0x4a/0x270
[  337.135650][  T385]  cgroup_addrm_files+0xab8/0xfe0
[  337.140660][  T385]  ? ____kasan_kmalloc+0xdc/0x110
[  337.145667][  T385]  ? __kasan_kmalloc+0x9/0x10
[  337.150321][  T385]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  337.155853][  T385]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  337.161981][  T385]  ? delete_node+0x759/0x7b0
[  337.166551][  T385]  ? __kasan_check_read+0x11/0x20
[  337.171582][  T385]  ? idr_replace+0x1c4/0x230
[  337.176151][  T385]  ? idr_get_next+0x4b0/0x4b0
[  337.180804][  T385]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  337.185855][  T385]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  337.191030][  T385]  css_populate_dir+0x137/0x370
[  337.195856][  T385]  cgroup_apply_control_enable+0x8b9/0x12f0
[  337.201723][  T385]  cgroup_apply_control+0x93/0x710
[  337.206808][  T385]  ? css_next_child+0x160/0x160
[  337.211631][  T385]  ? stack_trace_save+0x12d/0x1f0
[  337.216628][  T385]  ? io_schedule+0x120/0x120
[  337.221191][  T385]  ? kernfs_fop_write_iter+0x15e/0x410
[  337.226623][  T385]  ? __kasan_check_write+0x14/0x20
[  337.231720][  T385]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  337.236977][  T385]  cgroup_subtree_control_write+0xd19/0x1310
[  337.242931][  T385]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  337.248892][  T385]  ? __kasan_check_write+0x14/0x20
[  337.253988][  T385]  ? _copy_from_iter+0x3fb/0xd60
[  337.258900][  T385]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  337.264854][  T385]  cgroup_file_write+0x28e/0x590
[  337.269765][  T385]  ? cgroup_seqfile_stop+0xc0/0xc0
[  337.274850][  T385]  ? mutex_lock+0xa6/0x110
[  337.279238][  T385]  ? mutex_trylock+0xb0/0xb0
[  337.283808][  T385]  ? __kasan_check_write+0x14/0x20
[  337.288899][  T385]  kernfs_fop_write_iter+0x2d0/0x410
[  337.294155][  T385]  ? cgroup_seqfile_stop+0xc0/0xc0
[  337.299237][  T385]  vfs_write+0xc1c/0xf40
[  337.303453][  T385]  ? slab_free_freelist_hook+0xcc/0x1a0
[  337.308973][  T385]  ? kernel_write+0x3c0/0x3c0
[  337.313624][  T385]  ? do_sys_openat2+0x397/0x470
[  337.318448][  T385]  ? __kasan_check_read+0x11/0x20
[  337.323443][  T385]  ? __fdget_pos+0x27e/0x310
[  337.328006][  T385]  ksys_write+0x198/0x2c0
[  337.332310][  T385]  ? __ia32_sys_read+0x90/0x90
[  337.337051][  T385]  ? debug_smp_processor_id+0x17/0x20
[  337.342395][  T385]  __x64_sys_write+0x7b/0x90
[  337.346966][  T385]  do_syscall_64+0x34/0x70
[  337.351361][  T385]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  337.357227][  T385] RIP: 0033:0x7efdb4cf77c9
[  337.361617][  T385] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  337.381194][  T385] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  337.389597][  T385] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  337.397553][  T385] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  337.405505][  T385] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  337.413449][  T385] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  337.421410][  T385] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000001
[  337.429619][  T385] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  337.478159][  T379] FAULT_INJECTION: forcing a failure.
[  337.478159][  T379] name failslab, interval 1, probability 0, space 0, times 0
[  337.490794][  T379] CPU: 1 PID: 379 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  337.501001][  T379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  337.511032][  T379] Call Trace:
[  337.514306][  T379]  dump_stack_lvl+0x1e2/0x24b
[  337.518960][  T379]  ? panic+0x7d7/0x7d7
[  337.523007][  T379]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  337.528449][  T379]  ? selinux_kernfs_init_security+0x1a8/0x760
[  337.534490][  T379]  dump_stack+0x15/0x17
[  337.538618][  T379]  should_fail+0x3c0/0x510
[  337.543004][  T379]  __should_failslab+0x9f/0xe0
[  337.547746][  T379]  should_failslab+0x9/0x20
[  337.552229][  T379]  kmem_cache_alloc+0x3f/0x300
[  337.556962][  T379]  ? __kernfs_new_node+0xdb/0x6e0
[  337.561958][  T379]  __kernfs_new_node+0xdb/0x6e0
[  337.566794][  T379]  ? is_module_text_address+0xe1/0x140
[  337.572225][  T379]  ? kernfs_new_node+0x170/0x170
[  337.577135][  T379]  ? ptr_to_hashval+0x60/0x60
[  337.581782][  T379]  ? snprintf+0xd6/0x120
[  337.585994][  T379]  ? __kasan_check_write+0x14/0x20
[  337.591079][  T379]  ? mutex_unlock+0x1d/0x40
[  337.595553][  T379]  kernfs_new_node+0x97/0x170
[  337.600208][  T379]  __kernfs_create_file+0x4a/0x270
[  337.605299][  T379]  cgroup_addrm_files+0xab8/0xfe0
[  337.610366][  T379]  ? ____kasan_kmalloc+0xdc/0x110
[  337.615365][  T379]  ? __kasan_kmalloc+0x9/0x10
[  337.620031][  T379]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  337.625550][  T379]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  337.631674][  T379]  ? delete_node+0x759/0x7b0
[  337.636253][  T379]  ? __kasan_check_read+0x11/0x20
[  337.641251][  T379]  ? idr_replace+0x1c4/0x230
[  337.645811][  T379]  ? idr_get_next+0x4b0/0x4b0
[  337.650458][  T379]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  337.655454][  T379]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  337.660627][  T379]  css_populate_dir+0x137/0x370
[  337.665453][  T379]  cgroup_apply_control_enable+0x8b9/0x12f0
[  337.671322][  T379]  cgroup_apply_control+0x93/0x710
[  337.676415][  T379]  ? css_next_child+0x160/0x160
[  337.681250][  T379]  ? stack_trace_save+0x12d/0x1f0
[  337.686256][  T379]  ? io_schedule+0x120/0x120
[  337.690842][  T379]  ? kernfs_fop_write_iter+0x15e/0x410
[  337.696274][  T379]  ? __kasan_check_write+0x14/0x20
[  337.701361][  T379]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  337.706620][  T379]  cgroup_subtree_control_write+0xd19/0x1310
[  337.712579][  T379]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  337.718552][  T379]  ? __kasan_check_write+0x14/0x20
[  337.723632][  T379]  ? _copy_from_iter+0x3fb/0xd60
[  337.728544][  T379]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  337.734496][  T379]  cgroup_file_write+0x28e/0x590
[  337.739404][  T379]  ? cgroup_seqfile_stop+0xc0/0xc0
[  337.744512][  T379]  ? mutex_lock+0xa6/0x110
[  337.748900][  T379]  ? mutex_trylock+0xb0/0xb0
[  337.753463][  T379]  ? __kasan_check_write+0x14/0x20
[  337.758544][  T379]  kernfs_fop_write_iter+0x2d0/0x410
[  337.763802][  T379]  ? cgroup_seqfile_stop+0xc0/0xc0
[  337.768889][  T379]  vfs_write+0xc1c/0xf40
[  337.773107][  T379]  ? slab_free_freelist_hook+0xcc/0x1a0
[  337.778632][  T379]  ? kernel_write+0x3c0/0x3c0
[  337.783279][  T379]  ? do_sys_openat2+0x397/0x470
[  337.788114][  T379]  ? __kasan_check_read+0x11/0x20
[  337.793110][  T379]  ? __fdget_pos+0x27e/0x310
[  337.797669][  T379]  ksys_write+0x198/0x2c0
[  337.801977][  T379]  ? __ia32_sys_read+0x90/0x90
[  337.806716][  T379]  ? debug_smp_processor_id+0x17/0x20
[  337.812063][  T379]  __x64_sys_write+0x7b/0x90
[  337.816625][  T379]  do_syscall_64+0x34/0x70
[  337.821013][  T379]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  337.826889][  T379] RIP: 0033:0x7efdb4cf77c9
[  337.831279][  T379] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  337.850860][  T379] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  337.859264][  T379] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  337.867219][  T379] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  337.875163][  T379] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  337.883107][  T379] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  337.891052][  T379] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000000
[  337.899150][  T379] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  337.948323][  T380] FAULT_INJECTION: forcing a failure.
[  337.948323][  T380] name failslab, interval 1, probability 0, space 0, times 0
[  337.960989][  T380] CPU: 1 PID: 380 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  337.971216][  T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  337.981245][  T380] Call Trace:
[  337.984513][  T380]  dump_stack_lvl+0x1e2/0x24b
[  337.989172][  T380]  ? panic+0x7d7/0x7d7
[  337.993224][  T380]  ? arch_stack_walk+0x106/0x140
[  337.998149][  T380]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  338.003585][  T380]  ? do_syscall_64+0x34/0x70
[  338.008146][  T380]  dump_stack+0x15/0x17
[  338.012283][  T380]  should_fail+0x3c0/0x510
[  338.016670][  T380]  __should_failslab+0x9f/0xe0
[  338.021406][  T380]  should_failslab+0x9/0x20
[  338.025882][  T380]  kmem_cache_alloc+0x3f/0x300
[  338.030730][  T380]  ? __kernfs_new_node+0xdb/0x6e0
[  338.035726][  T380]  __kernfs_new_node+0xdb/0x6e0
[  338.040548][  T380]  ? is_module_text_address+0xe1/0x140
[  338.045978][  T380]  ? kernfs_new_node+0x170/0x170
[  338.051019][  T380]  ? ptr_to_hashval+0x60/0x60
[  338.055672][  T380]  ? arch_stack_walk+0xf8/0x140
[  338.060499][  T380]  ? snprintf+0xd6/0x120
[  338.064853][  T380]  kernfs_new_node+0x97/0x170
[  338.069508][  T380]  __kernfs_create_file+0x4a/0x270
[  338.074596][  T380]  cgroup_addrm_files+0xab8/0xfe0
[  338.079595][  T380]  ? ____kasan_kmalloc+0xdc/0x110
[  338.084667][  T380]  ? __kasan_kmalloc+0x9/0x10
[  338.089332][  T380]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  338.094855][  T380]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  338.100978][  T380]  ? delete_node+0x759/0x7b0
[  338.105548][  T380]  ? __kasan_check_read+0x11/0x20
[  338.110544][  T380]  ? delete_node+0x759/0x7b0
[  338.115104][  T380]  ? __kasan_check_write+0x14/0x20
[  338.120191][  T380]  ? idr_replace+0x1c4/0x230
[  338.124751][  T380]  ? idr_get_next+0x4b0/0x4b0
[  338.129430][  T380]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  338.134456][  T380]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  338.139629][  T380]  css_populate_dir+0x137/0x370
[  338.144628][  T380]  cgroup_apply_control_enable+0x8b9/0x12f0
[  338.150613][  T380]  cgroup_apply_control+0x93/0x710
[  338.155715][  T380]  ? css_next_child+0x160/0x160
[  338.160546][  T380]  ? io_schedule+0x120/0x120
[  338.165115][  T380]  ? kernfs_fop_write_iter+0x15e/0x410
[  338.170553][  T380]  ? __kasan_check_write+0x14/0x20
[  338.175643][  T380]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  338.180902][  T380]  cgroup_subtree_control_write+0xd19/0x1310
[  338.186857][  T380]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  338.192815][  T380]  ? __kasan_check_write+0x14/0x20
[  338.197904][  T380]  ? _copy_from_iter+0x3fb/0xd60
[  338.202812][  T380]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  338.208763][  T380]  cgroup_file_write+0x28e/0x590
[  338.213679][  T380]  ? cgroup_seqfile_stop+0xc0/0xc0
[  338.218777][  T380]  ? mutex_lock+0xa6/0x110
[  338.223176][  T380]  ? mutex_trylock+0xb0/0xb0
[  338.227753][  T380]  ? __kasan_check_write+0x14/0x20
[  338.232839][  T380]  kernfs_fop_write_iter+0x2d0/0x410
[  338.238114][  T380]  ? cgroup_seqfile_stop+0xc0/0xc0
[  338.243197][  T380]  vfs_write+0xc1c/0xf40
[  338.247420][  T380]  ? kernel_write+0x3c0/0x3c0
[  338.252085][  T380]  ? do_sys_openat2+0x397/0x470
[  338.256931][  T380]  ? __kasan_check_read+0x11/0x20
[  338.261943][  T380]  ? __fdget_pos+0x27e/0x310
[  338.266508][  T380]  ksys_write+0x198/0x2c0
[  338.270814][  T380]  ? __ia32_sys_read+0x90/0x90
[  338.275552][  T380]  ? debug_smp_processor_id+0x17/0x20
[  338.280896][  T380]  __x64_sys_write+0x7b/0x90
[  338.285461][  T380]  do_syscall_64+0x34/0x70
[  338.289850][  T380]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  338.295710][  T380] RIP: 0033:0x7efdb4cf77c9
[  338.300101][  T380] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  338.319683][  T380] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  338.328074][  T380] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  338.336023][  T380] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  338.343969][  T380] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  338.351914][  T380] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  338.359857][  T380] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000000
[  338.369358][  T380] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  338.408041][  T391] FAULT_INJECTION: forcing a failure.
[  338.408041][  T391] name failslab, interval 1, probability 0, space 0, times 0
[  338.420697][  T391] CPU: 1 PID: 391 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  338.430993][  T391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  338.441143][  T391] Call Trace:
[  338.444418][  T391]  dump_stack_lvl+0x1e2/0x24b
[  338.449072][  T391]  ? panic+0x7d7/0x7d7
[  338.453122][  T391]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  338.458633][  T391]  ? selinux_kernfs_init_security+0x1a8/0x760
[  338.464787][  T391]  dump_stack+0x15/0x17
[  338.468936][  T391]  should_fail+0x3c0/0x510
[  338.473327][  T391]  __should_failslab+0x9f/0xe0
[  338.478141][  T391]  should_failslab+0x9/0x20
[  338.482626][  T391]  kmem_cache_alloc+0x3f/0x300
[  338.487393][  T391]  ? __kernfs_new_node+0xdb/0x6e0
[  338.492390][  T391]  __kernfs_new_node+0xdb/0x6e0
[  338.497215][  T391]  ? is_module_text_address+0xe1/0x140
[  338.502652][  T391]  ? kernfs_new_node+0x170/0x170
[  338.507671][  T391]  ? ptr_to_hashval+0x60/0x60
[  338.512323][  T391]  ? arch_stack_walk+0xf8/0x140
[  338.517172][  T391]  ? snprintf+0xd6/0x120
[  338.521392][  T391]  kernfs_new_node+0x97/0x170
[  338.526043][  T391]  __kernfs_create_file+0x4a/0x270
[  338.531163][  T391]  cgroup_addrm_files+0xab8/0xfe0
[  338.536185][  T391]  ? ____kasan_kmalloc+0xdc/0x110
[  338.541197][  T391]  ? __kasan_kmalloc+0x9/0x10
[  338.545844][  T391]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  338.551364][  T391]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  338.557489][  T391]  ? delete_node+0x759/0x7b0
[  338.562054][  T391]  ? __kasan_check_read+0x11/0x20
[  338.567048][  T391]  ? delete_node+0x759/0x7b0
[  338.571612][  T391]  ? __kasan_check_write+0x14/0x20
[  338.576696][  T391]  ? idr_replace+0x1c4/0x230
[  338.581274][  T391]  ? idr_get_next+0x4b0/0x4b0
[  338.585925][  T391]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  338.590922][  T391]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  338.596091][  T391]  css_populate_dir+0x137/0x370
[  338.600913][  T391]  cgroup_apply_control_enable+0x8b9/0x12f0
[  338.606776][  T391]  cgroup_apply_control+0x93/0x710
[  338.611861][  T391]  ? css_next_child+0x160/0x160
[  338.616680][  T391]  ? stack_trace_save+0x12d/0x1f0
[  338.621675][  T391]  ? io_schedule+0x120/0x120
[  338.626236][  T391]  ? kernfs_fop_write_iter+0x15e/0x410
[  338.631682][  T391]  ? __kasan_check_write+0x14/0x20
[  338.636764][  T391]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  338.642021][  T391]  cgroup_subtree_control_write+0xd19/0x1310
[  338.647980][  T391]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  338.653952][  T391]  ? __kasan_check_write+0x14/0x20
[  338.659066][  T391]  ? _copy_from_iter+0x3fb/0xd60
[  338.663984][  T391]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  338.670041][  T391]  cgroup_file_write+0x28e/0x590
[  338.674954][  T391]  ? cgroup_seqfile_stop+0xc0/0xc0
[  338.680038][  T391]  ? mutex_lock+0xa6/0x110
[  338.684427][  T391]  ? mutex_trylock+0xb0/0xb0
[  338.688997][  T391]  ? __kasan_check_write+0x14/0x20
[  338.694083][  T391]  kernfs_fop_write_iter+0x2d0/0x410
[  338.699363][  T391]  ? cgroup_seqfile_stop+0xc0/0xc0
[  338.704447][  T391]  vfs_write+0xc1c/0xf40
[  338.708661][  T391]  ? slab_free_freelist_hook+0xcc/0x1a0
[  338.714178][  T391]  ? kernel_write+0x3c0/0x3c0
[  338.718827][  T391]  ? do_sys_openat2+0x397/0x470
[  338.723657][  T391]  ? __kasan_check_read+0x11/0x20
[  338.728660][  T391]  ? __fdget_pos+0x27e/0x310
[  338.733223][  T391]  ksys_write+0x198/0x2c0
[  338.737524][  T391]  ? __ia32_sys_read+0x90/0x90
[  338.742263][  T391]  ? debug_smp_processor_id+0x17/0x20
[  338.747604][  T391]  __x64_sys_write+0x7b/0x90
[  338.752168][  T391]  do_syscall_64+0x34/0x70
[  338.756577][  T391]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  338.762441][  T391] RIP: 0033:0x7efdb4cf77c9
[  338.766828][  T391] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  338.786403][  T391] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  338.794803][  T391] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  338.802747][  T391] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  338.810691][  T391] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  338.818633][  T391] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  338.826578][  T391] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000001
[  338.834783][  T391] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  338.878283][  T393] FAULT_INJECTION: forcing a failure.
[  338.878283][  T393] name failslab, interval 1, probability 0, space 0, times 0
[  338.890984][  T393] CPU: 0 PID: 393 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  338.901214][  T393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  338.911252][  T393] Call Trace:
[  338.914557][  T393]  dump_stack_lvl+0x1e2/0x24b
[  338.919227][  T393]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  338.924673][  T393]  ? selinux_kernfs_init_security+0x1a8/0x760
[  338.930714][  T393]  dump_stack+0x15/0x17
[  338.934843][  T393]  should_fail+0x3c0/0x510
[  338.939249][  T393]  ? __kernfs_new_node+0x99/0x6e0
[  338.944255][  T393]  __should_failslab+0x9f/0xe0
[  338.948994][  T393]  should_failslab+0x9/0x20
[  338.953474][  T393]  __kmalloc_track_caller+0x5f/0x350
[  338.958736][  T393]  kstrdup_const+0x55/0x90
[  338.963127][  T393]  __kernfs_new_node+0x99/0x6e0
[  338.967952][  T393]  ? is_module_text_address+0xe1/0x140
[  338.973399][  T393]  ? kernfs_new_node+0x170/0x170
[  338.978315][  T393]  ? ptr_to_hashval+0x60/0x60
[  338.983029][  T393]  ? snprintf+0xd6/0x120
[  338.987260][  T393]  ? __kasan_check_write+0x14/0x20
[  338.992378][  T393]  ? mutex_unlock+0x1d/0x40
[  338.996859][  T393]  kernfs_new_node+0x97/0x170
[  339.001511][  T393]  __kernfs_create_file+0x4a/0x270
[  339.006617][  T393]  cgroup_addrm_files+0xab8/0xfe0
[  339.011633][  T393]  ? ____kasan_kmalloc+0xdc/0x110
[  339.016628][  T393]  ? __kasan_kmalloc+0x9/0x10
[  339.021288][  T393]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  339.026814][  T393]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  339.032963][  T393]  ? delete_node+0x759/0x7b0
[  339.037531][  T393]  ? __kasan_check_read+0x11/0x20
[  339.042548][  T393]  ? idr_replace+0x1c4/0x230
[  339.047116][  T393]  ? idr_get_next+0x4b0/0x4b0
[  339.051776][  T393]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  339.056770][  T393]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  339.061946][  T393]  css_populate_dir+0x137/0x370
[  339.066893][  T393]  cgroup_apply_control_enable+0x8b9/0x12f0
[  339.072773][  T393]  cgroup_apply_control+0x93/0x710
[  339.077864][  T393]  ? css_next_child+0x160/0x160
[  339.082685][  T393]  ? stack_trace_save+0x12d/0x1f0
[  339.087685][  T393]  ? io_schedule+0x120/0x120
[  339.092346][  T393]  ? kernfs_fop_write_iter+0x15e/0x410
[  339.097781][  T393]  ? __kasan_check_write+0x14/0x20
[  339.102868][  T393]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  339.108142][  T393]  cgroup_subtree_control_write+0xd19/0x1310
[  339.114103][  T393]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  339.120061][  T393]  ? __kasan_check_write+0x14/0x20
[  339.125154][  T393]  ? _copy_from_iter+0x3fb/0xd60
[  339.130065][  T393]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  339.136017][  T393]  cgroup_file_write+0x28e/0x590
[  339.140939][  T393]  ? cgroup_seqfile_stop+0xc0/0xc0
[  339.146037][  T393]  ? mutex_lock+0xa6/0x110
[  339.150439][  T393]  ? mutex_trylock+0xb0/0xb0
[  339.155004][  T393]  ? __kasan_check_write+0x14/0x20
[  339.160092][  T393]  kernfs_fop_write_iter+0x2d0/0x410
[  339.165413][  T393]  ? cgroup_seqfile_stop+0xc0/0xc0
[  339.170515][  T393]  vfs_write+0xc1c/0xf40
[  339.174731][  T393]  ? slab_free_freelist_hook+0xcc/0x1a0
[  339.180252][  T393]  ? kernel_write+0x3c0/0x3c0
[  339.184907][  T393]  ? do_sys_openat2+0x397/0x470
[  339.189734][  T393]  ? __kasan_check_read+0x11/0x20
[  339.194738][  T393]  ? __fdget_pos+0x27e/0x310
[  339.199313][  T393]  ksys_write+0x198/0x2c0
[  339.203619][  T393]  ? __kasan_check_write+0x14/0x20
[  339.208707][  T393]  ? __ia32_sys_read+0x90/0x90
[  339.213445][  T393]  ? debug_smp_processor_id+0x17/0x20
[  339.218790][  T393]  __x64_sys_write+0x7b/0x90
[  339.223355][  T393]  do_syscall_64+0x34/0x70
[  339.227751][  T393]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  339.233618][  T393] RIP: 0033:0x7efdb4cf77c9
[  339.238014][  T393] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  339.257614][  T393] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  339.266433][  T393] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  339.274378][  T393] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  339.282327][  T393] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  339.290270][  T393] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  339.298217][  T393] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000002
[  339.306317][  T393] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  339.348252][  T392] FAULT_INJECTION: forcing a failure.
[  339.348252][  T392] name failslab, interval 1, probability 0, space 0, times 0
[  339.360970][  T392] CPU: 1 PID: 392 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  339.371207][  T392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  339.381244][  T392] Call Trace:
[  339.384509][  T392]  dump_stack_lvl+0x1e2/0x24b
[  339.389160][  T392]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  339.394590][  T392]  ? selinux_kernfs_init_security+0x1a8/0x760
[  339.400631][  T392]  dump_stack+0x15/0x17
[  339.404775][  T392]  should_fail+0x3c0/0x510
[  339.409164][  T392]  ? __kernfs_new_node+0x99/0x6e0
[  339.414158][  T392]  __should_failslab+0x9f/0xe0
[  339.418893][  T392]  should_failslab+0x9/0x20
[  339.423386][  T392]  __kmalloc_track_caller+0x5f/0x350
[  339.428644][  T392]  kstrdup_const+0x55/0x90
[  339.433035][  T392]  __kernfs_new_node+0x99/0x6e0
[  339.437861][  T392]  ? is_module_text_address+0xe1/0x140
[  339.443290][  T392]  ? kernfs_new_node+0x170/0x170
[  339.448198][  T392]  ? ptr_to_hashval+0x60/0x60
[  339.452863][  T392]  ? snprintf+0xd6/0x120
[  339.457078][  T392]  ? __kasan_check_write+0x14/0x20
[  339.462169][  T392]  ? mutex_unlock+0x1d/0x40
[  339.466654][  T392]  kernfs_new_node+0x97/0x170
[  339.471302][  T392]  __kernfs_create_file+0x4a/0x270
[  339.476390][  T392]  cgroup_addrm_files+0xab8/0xfe0
[  339.481389][  T392]  ? ____kasan_kmalloc+0xdc/0x110
[  339.486384][  T392]  ? __kasan_kmalloc+0x9/0x10
[  339.491053][  T392]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  339.496572][  T392]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  339.502696][  T392]  ? delete_node+0x759/0x7b0
[  339.507256][  T392]  ? __kasan_check_read+0x11/0x20
[  339.512259][  T392]  ? idr_replace+0x1c4/0x230
[  339.516829][  T392]  ? idr_get_next+0x4b0/0x4b0
[  339.521480][  T392]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  339.526483][  T392]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  339.531658][  T392]  css_populate_dir+0x137/0x370
[  339.536478][  T392]  cgroup_apply_control_enable+0x8b9/0x12f0
[  339.542343][  T392]  cgroup_apply_control+0x93/0x710
[  339.547424][  T392]  ? css_next_child+0x160/0x160
[  339.552247][  T392]  ? io_schedule+0x120/0x120
[  339.556809][  T392]  ? kernfs_fop_write_iter+0x15e/0x410
[  339.562251][  T392]  ? __kasan_check_write+0x14/0x20
[  339.567350][  T392]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  339.572610][  T392]  cgroup_subtree_control_write+0xd19/0x1310
[  339.578587][  T392]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  339.584559][  T392]  ? __kasan_check_write+0x14/0x20
[  339.589643][  T392]  ? _copy_from_iter+0x3fb/0xd60
[  339.594555][  T392]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  339.600504][  T392]  cgroup_file_write+0x28e/0x590
[  339.605413][  T392]  ? cgroup_seqfile_stop+0xc0/0xc0
[  339.610505][  T392]  ? mutex_lock+0xa6/0x110
[  339.614893][  T392]  ? mutex_trylock+0xb0/0xb0
[  339.619457][  T392]  ? __kasan_check_write+0x14/0x20
[  339.624540][  T392]  kernfs_fop_write_iter+0x2d0/0x410
[  339.629798][  T392]  ? cgroup_seqfile_stop+0xc0/0xc0
[  339.634881][  T392]  vfs_write+0xc1c/0xf40
[  339.639117][  T392]  ? kernel_write+0x3c0/0x3c0
[  339.643768][  T392]  ? do_sys_openat2+0x397/0x470
[  339.648600][  T392]  ? __kasan_check_read+0x11/0x20
[  339.653621][  T392]  ? __fdget_pos+0x27e/0x310
[  339.658197][  T392]  ksys_write+0x198/0x2c0
[  339.662499][  T392]  ? __ia32_sys_read+0x90/0x90
[  339.667247][  T392]  ? debug_smp_processor_id+0x17/0x20
[  339.672599][  T392]  __x64_sys_write+0x7b/0x90
[  339.677168][  T392]  do_syscall_64+0x34/0x70
[  339.681556][  T392]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  339.687419][  T392] RIP: 0033:0x7efdb4cf77c9
[  339.691805][  T392] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  339.711384][  T392] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  339.719783][  T392] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  339.727749][  T392] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  339.735703][  T392] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  339.743664][  T392] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  339.751606][  T392] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000001
[  339.759649][  T392] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  339.808211][  T386] FAULT_INJECTION: forcing a failure.
[  339.808211][  T386] name failslab, interval 1, probability 0, space 0, times 0
[  339.820852][  T386] CPU: 1 PID: 386 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  339.831062][  T386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  339.841176][  T386] Call Trace:
[  339.844442][  T386]  dump_stack_lvl+0x1e2/0x24b
[  339.849097][  T386]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  339.854543][  T386]  ? selinux_kernfs_init_security+0x1a8/0x760
[  339.860583][  T386]  dump_stack+0x15/0x17
[  339.864711][  T386]  should_fail+0x3c0/0x510
[  339.869107][  T386]  ? __kernfs_new_node+0x99/0x6e0
[  339.874150][  T386]  __should_failslab+0x9f/0xe0
[  339.878886][  T386]  should_failslab+0x9/0x20
[  339.883362][  T386]  __kmalloc_track_caller+0x5f/0x350
[  339.888619][  T386]  kstrdup_const+0x55/0x90
[  339.893024][  T386]  __kernfs_new_node+0x99/0x6e0
[  339.897853][  T386]  ? is_module_text_address+0xe1/0x140
[  339.903299][  T386]  ? kernfs_new_node+0x170/0x170
[  339.908210][  T386]  ? ptr_to_hashval+0x60/0x60
[  339.912858][  T386]  ? snprintf+0xd6/0x120
[  339.917073][  T386]  ? __kasan_check_write+0x14/0x20
[  339.922173][  T386]  ? mutex_unlock+0x1d/0x40
[  339.926647][  T386]  kernfs_new_node+0x97/0x170
[  339.931382][  T386]  __kernfs_create_file+0x4a/0x270
[  339.936463][  T386]  cgroup_addrm_files+0xab8/0xfe0
[  339.941557][  T386]  ? ____kasan_kmalloc+0xdc/0x110
[  339.946551][  T386]  ? __kasan_kmalloc+0x9/0x10
[  339.951236][  T386]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  339.956760][  T386]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  339.962884][  T386]  ? delete_node+0x759/0x7b0
[  339.967445][  T386]  ? __kasan_check_read+0x11/0x20
[  339.972444][  T386]  ? idr_replace+0x1c4/0x230
[  339.977007][  T386]  ? idr_get_next+0x4b0/0x4b0
[  339.981653][  T386]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  339.986649][  T386]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  339.991819][  T386]  css_populate_dir+0x137/0x370
[  339.996642][  T386]  cgroup_apply_control_enable+0x8b9/0x12f0
[  340.002508][  T386]  cgroup_apply_control+0x93/0x710
[  340.007598][  T386]  ? css_next_child+0x160/0x160
[  340.012428][  T386]  ? io_schedule+0x120/0x120
[  340.016993][  T386]  ? kernfs_fop_write_iter+0x15e/0x410
[  340.022425][  T386]  ? __kasan_check_write+0x14/0x20
[  340.027510][  T386]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  340.032765][  T386]  cgroup_subtree_control_write+0xd19/0x1310
[  340.038716][  T386]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  340.044751][  T386]  ? __kasan_check_write+0x14/0x20
[  340.049844][  T386]  ? _copy_from_iter+0x3fb/0xd60
[  340.054761][  T386]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  340.060710][  T386]  cgroup_file_write+0x28e/0x590
[  340.065618][  T386]  ? cgroup_seqfile_stop+0xc0/0xc0
[  340.070704][  T386]  ? mutex_lock+0xa6/0x110
[  340.075093][  T386]  ? mutex_trylock+0xb0/0xb0
[  340.079655][  T386]  ? __kasan_check_write+0x14/0x20
[  340.084737][  T386]  kernfs_fop_write_iter+0x2d0/0x410
[  340.089998][  T386]  ? cgroup_seqfile_stop+0xc0/0xc0
[  340.095090][  T386]  vfs_write+0xc1c/0xf40
[  340.099307][  T386]  ? kernel_write+0x3c0/0x3c0
[  340.103957][  T386]  ? do_sys_openat2+0x397/0x470
[  340.108782][  T386]  ? __kasan_check_read+0x11/0x20
[  340.113781][  T386]  ? __fdget_pos+0x27e/0x310
[  340.118343][  T386]  ksys_write+0x198/0x2c0
[  340.122642][  T386]  ? __kasan_check_write+0x14/0x20
[  340.127728][  T386]  ? __ia32_sys_read+0x90/0x90
[  340.132471][  T386]  ? debug_smp_processor_id+0x17/0x20
[  340.137815][  T386]  __x64_sys_write+0x7b/0x90
[  340.142374][  T386]  do_syscall_64+0x34/0x70
[  340.146762][  T386]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  340.152622][  T386] RIP: 0033:0x7efdb4cf77c9
[  340.157009][  T386] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  340.176589][  T386] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  340.185039][  T386] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  340.192992][  T386] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  340.200940][  T386] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  340.208891][  T386] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  340.216839][  T386] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000001
[  340.225003][  T386] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  340.268159][  T389] FAULT_INJECTION: forcing a failure.
[  340.268159][  T389] name failslab, interval 1, probability 0, space 0, times 0
[  340.280800][  T389] CPU: 1 PID: 389 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  340.291124][  T389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  340.301157][  T389] Call Trace:
[  340.304425][  T389]  dump_stack_lvl+0x1e2/0x24b
[  340.309093][  T389]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  340.314522][  T389]  ? stack_trace_save+0x1f0/0x1f0
[  340.319526][  T389]  ? arch_stack_walk+0x106/0x140
[  340.324437][  T389]  dump_stack+0x15/0x17
[  340.328570][  T389]  should_fail+0x3c0/0x510
[  340.333099][  T389]  ? __kernfs_new_node+0x99/0x6e0
[  340.338108][  T389]  __should_failslab+0x9f/0xe0
[  340.342847][  T389]  should_failslab+0x9/0x20
[  340.347323][  T389]  __kmalloc_track_caller+0x5f/0x350
[  340.352583][  T389]  kstrdup_const+0x55/0x90
[  340.356973][  T389]  __kernfs_new_node+0x99/0x6e0
[  340.361890][  T389]  ? is_module_text_address+0xe1/0x140
[  340.367323][  T389]  ? kernfs_new_node+0x170/0x170
[  340.372232][  T389]  ? ptr_to_hashval+0x60/0x60
[  340.376886][  T389]  ? arch_stack_walk+0xf8/0x140
[  340.381708][  T389]  ? snprintf+0xd6/0x120
[  340.386023][  T389]  kernfs_new_node+0x97/0x170
[  340.390678][  T389]  __kernfs_create_file+0x4a/0x270
[  340.395761][  T389]  cgroup_addrm_files+0xab8/0xfe0
[  340.400764][  T389]  ? ____kasan_kmalloc+0xdc/0x110
[  340.405761][  T389]  ? __kasan_kmalloc+0x9/0x10
[  340.410428][  T389]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  340.415945][  T389]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  340.422073][  T389]  ? delete_node+0x759/0x7b0
[  340.426636][  T389]  ? __kasan_check_read+0x11/0x20
[  340.431631][  T389]  ? delete_node+0x759/0x7b0
[  340.436195][  T389]  ? __kasan_check_write+0x14/0x20
[  340.441279][  T389]  ? idr_replace+0x1c4/0x230
[  340.445840][  T389]  ? idr_get_next+0x4b0/0x4b0
[  340.450487][  T389]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  340.455502][  T389]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  340.460674][  T389]  css_populate_dir+0x137/0x370
[  340.465495][  T389]  cgroup_apply_control_enable+0x8b9/0x12f0
[  340.471364][  T389]  cgroup_apply_control+0x93/0x710
[  340.476448][  T389]  ? css_next_child+0x160/0x160
[  340.481282][  T389]  ? stack_trace_save+0x12d/0x1f0
[  340.486277][  T389]  ? io_schedule+0x120/0x120
[  340.490839][  T389]  ? kernfs_fop_write_iter+0x15e/0x410
[  340.496268][  T389]  ? __kasan_check_write+0x14/0x20
[  340.501350][  T389]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  340.506607][  T389]  cgroup_subtree_control_write+0xd19/0x1310
[  340.512572][  T389]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  340.518525][  T389]  ? __kasan_check_write+0x14/0x20
[  340.523608][  T389]  ? _copy_from_iter+0x3fb/0xd60
[  340.528517][  T389]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  340.534468][  T389]  cgroup_file_write+0x28e/0x590
[  340.539378][  T389]  ? cgroup_seqfile_stop+0xc0/0xc0
[  340.544461][  T389]  ? mutex_lock+0xa6/0x110
[  340.548848][  T389]  ? mutex_trylock+0xb0/0xb0
[  340.553415][  T389]  ? __kasan_check_write+0x14/0x20
[  340.558511][  T389]  kernfs_fop_write_iter+0x2d0/0x410
[  340.563774][  T389]  ? cgroup_seqfile_stop+0xc0/0xc0
[  340.568861][  T389]  vfs_write+0xc1c/0xf40
[  340.573073][  T389]  ? slab_free_freelist_hook+0xcc/0x1a0
[  340.578589][  T389]  ? kernel_write+0x3c0/0x3c0
[  340.583239][  T389]  ? do_sys_openat2+0x397/0x470
[  340.588163][  T389]  ? __kasan_check_read+0x11/0x20
[  340.593160][  T389]  ? __fdget_pos+0x27e/0x310
[  340.597721][  T389]  ksys_write+0x198/0x2c0
[  340.602042][  T389]  ? __ia32_sys_read+0x90/0x90
[  340.606777][  T389]  ? debug_smp_processor_id+0x17/0x20
[  340.612121][  T389]  __x64_sys_write+0x7b/0x90
[  340.616682][  T389]  do_syscall_64+0x34/0x70
[  340.621071][  T389]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  340.626934][  T389] RIP: 0033:0x7efdb4cf77c9
[  340.631320][  T389] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  340.650929][  T389] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  340.659314][  T389] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  340.667258][  T389] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  340.675202][  T389] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  340.683199][  T389] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  340.691145][  T389] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000001
[  340.699205][  T389] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  340.728018][  T388] FAULT_INJECTION: forcing a failure.
[  340.728018][  T388] name failslab, interval 1, probability 0, space 0, times 0
[  340.740757][  T388] CPU: 0 PID: 388 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  340.750972][  T388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  340.761002][  T388] Call Trace:
[  340.764267][  T388]  dump_stack_lvl+0x1e2/0x24b
[  340.768936][  T388]  ? panic+0x7d7/0x7d7
[  340.772980][  T388]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  340.778414][  T388]  ? selinux_kernfs_init_security+0x1a8/0x760
[  340.784452][  T388]  dump_stack+0x15/0x17
[  340.788579][  T388]  should_fail+0x3c0/0x510
[  340.792975][  T388]  __should_failslab+0x9f/0xe0
[  340.797713][  T388]  should_failslab+0x9/0x20
[  340.802216][  T388]  kmem_cache_alloc+0x3f/0x300
[  340.806956][  T388]  ? __kernfs_new_node+0xdb/0x6e0
[  340.811978][  T388]  __kernfs_new_node+0xdb/0x6e0
[  340.816800][  T388]  ? is_module_text_address+0xe1/0x140
[  340.822231][  T388]  ? kernfs_new_node+0x170/0x170
[  340.827146][  T388]  ? ptr_to_hashval+0x60/0x60
[  340.831821][  T388]  ? arch_stack_walk+0xf8/0x140
[  340.836647][  T388]  ? snprintf+0xd6/0x120
[  340.840876][  T388]  kernfs_new_node+0x97/0x170
[  340.845526][  T388]  __kernfs_create_file+0x4a/0x270
[  340.850609][  T388]  cgroup_addrm_files+0xab8/0xfe0
[  340.855604][  T388]  ? ____kasan_kmalloc+0xdc/0x110
[  340.860600][  T388]  ? __kasan_kmalloc+0x9/0x10
[  340.865262][  T388]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  340.870795][  T388]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  340.876935][  T388]  ? delete_node+0x759/0x7b0
[  340.881502][  T388]  ? __kasan_check_read+0x11/0x20
[  340.886497][  T388]  ? delete_node+0x759/0x7b0
[  340.891060][  T388]  ? __kasan_check_write+0x14/0x20
[  340.896145][  T388]  ? idr_replace+0x1c4/0x230
[  340.900709][  T388]  ? idr_get_next+0x4b0/0x4b0
[  340.905365][  T388]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  340.910369][  T388]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  340.915538][  T388]  css_populate_dir+0x137/0x370
[  340.920362][  T388]  cgroup_apply_control_enable+0x8b9/0x12f0
[  340.926229][  T388]  cgroup_apply_control+0x93/0x710
[  340.931313][  T388]  ? css_next_child+0x160/0x160
[  340.936139][  T388]  ? stack_trace_save+0x12d/0x1f0
[  340.941135][  T388]  ? io_schedule+0x120/0x120
[  340.945703][  T388]  ? kernfs_fop_write_iter+0x15e/0x410
[  340.951143][  T388]  ? __kasan_check_write+0x14/0x20
[  340.956231][  T388]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  340.961486][  T388]  cgroup_subtree_control_write+0xd19/0x1310
[  340.967445][  T388]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  340.973419][  T388]  ? __kasan_check_write+0x14/0x20
[  340.978514][  T388]  ? _copy_from_iter+0x3fb/0xd60
[  340.983428][  T388]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  340.989396][  T388]  cgroup_file_write+0x28e/0x590
[  340.994312][  T388]  ? cgroup_seqfile_stop+0xc0/0xc0
[  340.999398][  T388]  ? mutex_lock+0xa6/0x110
[  341.003790][  T388]  ? mutex_trylock+0xb0/0xb0
[  341.008374][  T388]  ? __kasan_check_write+0x14/0x20
[  341.013474][  T388]  kernfs_fop_write_iter+0x2d0/0x410
[  341.018742][  T388]  ? cgroup_seqfile_stop+0xc0/0xc0
[  341.023839][  T388]  vfs_write+0xc1c/0xf40
[  341.028060][  T388]  ? slab_free_freelist_hook+0xcc/0x1a0
[  341.033761][  T388]  ? kernel_write+0x3c0/0x3c0
[  341.038414][  T388]  ? do_sys_openat2+0x397/0x470
[  341.043239][  T388]  ? __kasan_check_read+0x11/0x20
[  341.048242][  T388]  ? __fdget_pos+0x27e/0x310
[  341.052814][  T388]  ksys_write+0x198/0x2c0
[  341.057141][  T388]  ? __ia32_sys_read+0x90/0x90
[  341.061880][  T388]  ? debug_smp_processor_id+0x17/0x20
[  341.067224][  T388]  __x64_sys_write+0x7b/0x90
[  341.071793][  T388]  do_syscall_64+0x34/0x70
[  341.076184][  T388]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  341.082060][  T388] RIP: 0033:0x7efdb4cf77c9
[  341.086455][  T388] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  341.106041][  T388] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  341.114430][  T388] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  341.122380][  T388] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  341.130325][  T388] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  341.138274][  T388] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  341.146241][  T388] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000002
[  341.154531][  T388] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  341.208188][  T398] FAULT_INJECTION: forcing a failure.
[  341.208188][  T398] name failslab, interval 1, probability 0, space 0, times 0
[  341.220821][  T398] CPU: 0 PID: 398 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  341.231028][  T398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  341.241063][  T398] Call Trace:
[  341.244345][  T398]  dump_stack_lvl+0x1e2/0x24b
[  341.248997][  T398]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  341.254431][  T398]  ? selinux_kernfs_init_security+0x1a8/0x760
[  341.260472][  T398]  dump_stack+0x15/0x17
[  341.264598][  T398]  should_fail+0x3c0/0x510
[  341.268992][  T398]  ? __kernfs_new_node+0x99/0x6e0
[  341.273986][  T398]  __should_failslab+0x9f/0xe0
[  341.278725][  T398]  should_failslab+0x9/0x20
[  341.283202][  T398]  __kmalloc_track_caller+0x5f/0x350
[  341.288460][  T398]  kstrdup_const+0x55/0x90
[  341.292849][  T398]  __kernfs_new_node+0x99/0x6e0
[  341.297671][  T398]  ? is_module_text_address+0xe1/0x140
[  341.303146][  T398]  ? kernfs_new_node+0x170/0x170
[  341.308062][  T398]  ? ptr_to_hashval+0x60/0x60
[  341.312713][  T398]  ? snprintf+0xd6/0x120
[  341.316928][  T398]  ? __kasan_check_write+0x14/0x20
[  341.322013][  T398]  ? mutex_unlock+0x1d/0x40
[  341.326504][  T398]  kernfs_new_node+0x97/0x170
[  341.331151][  T398]  __kernfs_create_file+0x4a/0x270
[  341.336232][  T398]  cgroup_addrm_files+0xab8/0xfe0
[  341.341228][  T398]  ? ____kasan_kmalloc+0xdc/0x110
[  341.346236][  T398]  ? __kasan_kmalloc+0x9/0x10
[  341.350898][  T398]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  341.356424][  T398]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  341.362554][  T398]  ? delete_node+0x759/0x7b0
[  341.367118][  T398]  ? __kasan_check_read+0x11/0x20
[  341.372131][  T398]  ? idr_replace+0x1c4/0x230
[  341.376712][  T398]  ? idr_get_next+0x4b0/0x4b0
[  341.381378][  T398]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  341.386379][  T398]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  341.391556][  T398]  css_populate_dir+0x137/0x370
[  341.396389][  T398]  cgroup_apply_control_enable+0x8b9/0x12f0
[  341.402268][  T398]  cgroup_apply_control+0x93/0x710
[  341.407369][  T398]  ? css_next_child+0x160/0x160
[  341.412211][  T398]  ? stack_trace_save+0x12d/0x1f0
[  341.417216][  T398]  ? io_schedule+0x120/0x120
[  341.421798][  T398]  ? kernfs_fop_write_iter+0x15e/0x410
[  341.427233][  T398]  ? __kasan_check_write+0x14/0x20
[  341.432320][  T398]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  341.437585][  T398]  cgroup_subtree_control_write+0xd19/0x1310
[  341.443548][  T398]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  341.449506][  T398]  ? __kasan_check_write+0x14/0x20
[  341.454597][  T398]  ? _copy_from_iter+0x3fb/0xd60
[  341.459516][  T398]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  341.465473][  T398]  cgroup_file_write+0x28e/0x590
[  341.470401][  T398]  ? cgroup_seqfile_stop+0xc0/0xc0
[  341.475486][  T398]  ? mutex_lock+0xa6/0x110
[  341.479987][  T398]  ? mutex_trylock+0xb0/0xb0
[  341.484551][  T398]  ? __kasan_check_write+0x14/0x20
[  341.489737][  T398]  kernfs_fop_write_iter+0x2d0/0x410
[  341.495002][  T398]  ? cgroup_seqfile_stop+0xc0/0xc0
[  341.500093][  T398]  vfs_write+0xc1c/0xf40
[  341.504308][  T398]  ? slab_free_freelist_hook+0xcc/0x1a0
[  341.509829][  T398]  ? kernel_write+0x3c0/0x3c0
[  341.514478][  T398]  ? do_sys_openat2+0x397/0x470
[  341.519300][  T398]  ? __kasan_check_read+0x11/0x20
[  341.524314][  T398]  ? __fdget_pos+0x27e/0x310
[  341.528880][  T398]  ksys_write+0x198/0x2c0
[  341.533189][  T398]  ? __kasan_check_write+0x14/0x20
[  341.538277][  T398]  ? __ia32_sys_read+0x90/0x90
[  341.543016][  T398]  ? debug_smp_processor_id+0x17/0x20
[  341.548359][  T398]  __x64_sys_write+0x7b/0x90
[  341.552929][  T398]  do_syscall_64+0x34/0x70
[  341.557320][  T398]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  341.563188][  T398] RIP: 0033:0x7efdb4cf77c9
[  341.567588][  T398] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  341.587168][  T398] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  341.595572][  T398] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[  341.603536][  T398] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  341.611483][  T398] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  341.619428][  T398] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  341.627372][  T398] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000003
[  341.635419][  T398] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  341.636490][   T24] kauditd_printk_skb: 2 callbacks suppressed
executing program
[  341.636500][   T24] audit: type=1400 audit(1658023946.109:85): avc:  denied  { remove_name } for  pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[  341.671196][   T24] audit: type=1400 audit(1658023946.109:86): avc:  denied  { rename } for  pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[  341.693703][  T397] FAULT_INJECTION: forcing a failure.
[  341.693703][  T397] name failslab, interval 1, probability 0, space 0, times 0
[  341.706380][  T397] CPU: 0 PID: 397 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  341.716615][  T397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  341.726642][  T397] Call Trace:
[  341.729911][  T397]  dump_stack_lvl+0x1e2/0x24b
[  341.734559][  T397]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  341.739994][  T397]  ? selinux_kernfs_init_security+0x1a8/0x760
[  341.746045][  T397]  dump_stack+0x15/0x17
[  341.750175][  T397]  should_fail+0x3c0/0x510
[  341.754562][  T397]  ? __kernfs_new_node+0x99/0x6e0
[  341.759554][  T397]  __should_failslab+0x9f/0xe0
[  341.764291][  T397]  should_failslab+0x9/0x20
[  341.768770][  T397]  __kmalloc_track_caller+0x5f/0x350
[  341.774034][  T397]  kstrdup_const+0x55/0x90
[  341.778439][  T397]  __kernfs_new_node+0x99/0x6e0
[  341.783285][  T397]  ? is_module_text_address+0xe1/0x140
[  341.788716][  T397]  ? kernfs_new_node+0x170/0x170
[  341.793626][  T397]  ? ptr_to_hashval+0x60/0x60
[  341.798294][  T397]  ? snprintf+0xd6/0x120
[  341.802526][  T397]  ? __kasan_check_write+0x14/0x20
[  341.807609][  T397]  ? mutex_unlock+0x1d/0x40
[  341.812103][  T397]  kernfs_new_node+0x97/0x170
[  341.816754][  T397]  __kernfs_create_file+0x4a/0x270
[  341.821837][  T397]  cgroup_addrm_files+0xab8/0xfe0
[  341.826836][  T397]  ? ____kasan_kmalloc+0xdc/0x110
[  341.831837][  T397]  ? __kasan_kmalloc+0x9/0x10
[  341.836487][  T397]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  341.842004][  T397]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  341.848133][  T397]  ? delete_node+0x759/0x7b0
[  341.852697][  T397]  ? __kasan_check_read+0x11/0x20
[  341.857694][  T397]  ? idr_replace+0x1c4/0x230
[  341.862255][  T397]  ? idr_get_next+0x4b0/0x4b0
[  341.866901][  T397]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  341.871897][  T397]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  341.877069][  T397]  css_populate_dir+0x137/0x370
[  341.881890][  T397]  cgroup_apply_control_enable+0x8b9/0x12f0
[  341.887772][  T397]  cgroup_apply_control+0x93/0x710
[  341.893377][  T397]  ? css_next_child+0x160/0x160
[  341.898202][  T397]  ? stack_trace_save+0x12d/0x1f0
[  341.903217][  T397]  ? io_schedule+0x120/0x120
[  341.907781][  T397]  ? kernfs_fop_write_iter+0x15e/0x410
[  341.913210][  T397]  ? __kasan_check_write+0x14/0x20
[  341.918292][  T397]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  341.923557][  T397]  cgroup_subtree_control_write+0xd19/0x1310
[  341.929519][  T397]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  341.935470][  T397]  ? __kasan_check_write+0x14/0x20
[  341.940573][  T397]  ? _copy_from_iter+0x3fb/0xd60
[  341.945482][  T397]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  341.951435][  T397]  cgroup_file_write+0x28e/0x590
[  341.956355][  T397]  ? cgroup_seqfile_stop+0xc0/0xc0
[  341.961452][  T397]  ? mutex_lock+0xa6/0x110
[  341.965847][  T397]  ? mutex_trylock+0xb0/0xb0
[  341.970411][  T397]  ? __kasan_check_write+0x14/0x20
[  341.975510][  T397]  kernfs_fop_write_iter+0x2d0/0x410
[  341.980771][  T397]  ? cgroup_seqfile_stop+0xc0/0xc0
[  341.985863][  T397]  vfs_write+0xc1c/0xf40
[  341.990079][  T397]  ? slab_free_freelist_hook+0xcc/0x1a0
[  341.995599][  T397]  ? kernel_write+0x3c0/0x3c0
[  342.000262][  T397]  ? do_sys_openat2+0x397/0x470
[  342.005085][  T397]  ? __kasan_check_read+0x11/0x20
[  342.010080][  T397]  ? __fdget_pos+0x27e/0x310
[  342.014641][  T397]  ksys_write+0x198/0x2c0
[  342.018943][  T397]  ? __ia32_sys_read+0x90/0x90
[  342.023680][  T397]  ? debug_smp_processor_id+0x17/0x20
[  342.029031][  T397]  __x64_sys_write+0x7b/0x90
[  342.033592][  T397]  do_syscall_64+0x34/0x70
[  342.037979][  T397]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  342.043842][  T397] RIP: 0033:0x7efdb4cf77c9
[  342.048232][  T397] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  342.067809][  T397] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  342.076213][  T397] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  342.084157][  T397] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  342.092100][  T397] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  342.100043][  T397] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  342.107993][  T397] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000002
[  342.116754][  T397] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  342.158155][  T394] FAULT_INJECTION: forcing a failure.
[  342.158155][  T394] name failslab, interval 1, probability 0, space 0, times 0
[  342.170805][  T394] CPU: 0 PID: 394 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  342.181022][  T394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  342.191059][  T394] Call Trace:
[  342.194347][  T394]  dump_stack_lvl+0x1e2/0x24b
[  342.199011][  T394]  ? panic+0x7d7/0x7d7
[  342.203070][  T394]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  342.208591][  T394]  ? selinux_kernfs_init_security+0x1a8/0x760
[  342.214632][  T394]  dump_stack+0x15/0x17
[  342.218763][  T394]  should_fail+0x3c0/0x510
[  342.223154][  T394]  __should_failslab+0x9f/0xe0
[  342.227891][  T394]  should_failslab+0x9/0x20
[  342.232372][  T394]  kmem_cache_alloc+0x3f/0x300
[  342.237111][  T394]  ? __kernfs_new_node+0xdb/0x6e0
[  342.242111][  T394]  __kernfs_new_node+0xdb/0x6e0
[  342.246943][  T394]  ? is_module_text_address+0xe1/0x140
[  342.252392][  T394]  ? kernfs_new_node+0x170/0x170
[  342.257309][  T394]  ? ptr_to_hashval+0x60/0x60
[  342.261983][  T394]  ? arch_stack_walk+0xf8/0x140
[  342.266813][  T394]  ? snprintf+0xd6/0x120
[  342.271031][  T394]  kernfs_new_node+0x97/0x170
[  342.275685][  T394]  __kernfs_create_file+0x4a/0x270
[  342.280775][  T394]  cgroup_addrm_files+0xab8/0xfe0
[  342.285778][  T394]  ? ____kasan_kmalloc+0xdc/0x110
[  342.290781][  T394]  ? __kasan_kmalloc+0x9/0x10
[  342.295435][  T394]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  342.300955][  T394]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  342.307081][  T394]  ? delete_node+0x759/0x7b0
[  342.311649][  T394]  ? __kasan_check_read+0x11/0x20
[  342.316661][  T394]  ? delete_node+0x759/0x7b0
[  342.321227][  T394]  ? __kasan_check_write+0x14/0x20
[  342.326315][  T394]  ? idr_replace+0x1c4/0x230
[  342.330883][  T394]  ? idr_get_next+0x4b0/0x4b0
[  342.335536][  T394]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  342.340537][  T394]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  342.345709][  T394]  css_populate_dir+0x137/0x370
[  342.350536][  T394]  cgroup_apply_control_enable+0x8b9/0x12f0
[  342.356403][  T394]  cgroup_apply_control+0x93/0x710
[  342.361489][  T394]  ? css_next_child+0x160/0x160
[  342.366312][  T394]  ? stack_trace_save+0x12d/0x1f0
[  342.371312][  T394]  ? io_schedule+0x120/0x120
[  342.375877][  T394]  ? kernfs_fop_write_iter+0x15e/0x410
[  342.381309][  T394]  ? __kasan_check_write+0x14/0x20
[  342.386396][  T394]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  342.391655][  T394]  cgroup_subtree_control_write+0xd19/0x1310
[  342.397609][  T394]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  342.403561][  T394]  ? __kasan_check_write+0x14/0x20
[  342.408646][  T394]  ? _copy_from_iter+0x3fb/0xd60
[  342.413560][  T394]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  342.419513][  T394]  cgroup_file_write+0x28e/0x590
[  342.424424][  T394]  ? cgroup_seqfile_stop+0xc0/0xc0
[  342.429508][  T394]  ? mutex_lock+0xa6/0x110
[  342.433902][  T394]  ? mutex_trylock+0xb0/0xb0
[  342.438470][  T394]  ? __kasan_check_write+0x14/0x20
[  342.443558][  T394]  kernfs_fop_write_iter+0x2d0/0x410
[  342.448816][  T394]  ? cgroup_seqfile_stop+0xc0/0xc0
[  342.453904][  T394]  vfs_write+0xc1c/0xf40
[  342.458126][  T394]  ? slab_free_freelist_hook+0xcc/0x1a0
[  342.463646][  T394]  ? kernel_write+0x3c0/0x3c0
[  342.468308][  T394]  ? do_sys_openat2+0x397/0x470
[  342.473134][  T394]  ? __kasan_check_read+0x11/0x20
[  342.478151][  T394]  ? __fdget_pos+0x27e/0x310
[  342.482732][  T394]  ksys_write+0x198/0x2c0
[  342.487036][  T394]  ? __ia32_sys_read+0x90/0x90
[  342.491863][  T394]  ? debug_smp_processor_id+0x17/0x20
[  342.497208][  T394]  __x64_sys_write+0x7b/0x90
[  342.501789][  T394]  do_syscall_64+0x34/0x70
[  342.506182][  T394]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  342.512047][  T394] RIP: 0033:0x7efdb4cf77c9
[  342.516446][  T394] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  342.536022][  T394] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  342.544409][  T394] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  342.552366][  T394] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  342.560314][  T394] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  342.568261][  T394] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  342.576207][  T394] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000003
[  342.584322][  T394] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  342.628242][  T400] FAULT_INJECTION: forcing a failure.
[  342.628242][  T400] name failslab, interval 1, probability 0, space 0, times 0
[  342.640893][  T400] CPU: 1 PID: 400 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  342.651099][  T400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  342.661156][  T400] Call Trace:
[  342.664439][  T400]  dump_stack_lvl+0x1e2/0x24b
[  342.669089][  T400]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  342.674519][  T400]  ? selinux_kernfs_init_security+0x1a8/0x760
[  342.680581][  T400]  dump_stack+0x15/0x17
[  342.684715][  T400]  should_fail+0x3c0/0x510
[  342.689106][  T400]  ? __kernfs_new_node+0x99/0x6e0
[  342.694105][  T400]  __should_failslab+0x9f/0xe0
[  342.698842][  T400]  should_failslab+0x9/0x20
[  342.703321][  T400]  __kmalloc_track_caller+0x5f/0x350
[  342.708578][  T400]  kstrdup_const+0x55/0x90
[  342.712968][  T400]  __kernfs_new_node+0x99/0x6e0
[  342.717792][  T400]  ? is_module_text_address+0xe1/0x140
[  342.723222][  T400]  ? kernfs_new_node+0x170/0x170
[  342.728132][  T400]  ? ptr_to_hashval+0x60/0x60
[  342.732783][  T400]  ? arch_stack_walk+0xf8/0x140
[  342.737606][  T400]  ? snprintf+0xd6/0x120
[  342.741821][  T400]  kernfs_new_node+0x97/0x170
[  342.746474][  T400]  __kernfs_create_file+0x4a/0x270
[  342.751560][  T400]  cgroup_addrm_files+0xab8/0xfe0
[  342.756557][  T400]  ? ____kasan_kmalloc+0xdc/0x110
[  342.761551][  T400]  ? __kasan_kmalloc+0x9/0x10
[  342.766203][  T400]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  342.771723][  T400]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  342.777867][  T400]  ? delete_node+0x759/0x7b0
[  342.782438][  T400]  ? __kasan_check_read+0x11/0x20
[  342.787433][  T400]  ? delete_node+0x759/0x7b0
[  342.791998][  T400]  ? __kasan_check_write+0x14/0x20
[  342.797081][  T400]  ? idr_replace+0x1c4/0x230
[  342.801643][  T400]  ? idr_get_next+0x4b0/0x4b0
[  342.806301][  T400]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  342.811294][  T400]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  342.816465][  T400]  css_populate_dir+0x137/0x370
[  342.821285][  T400]  cgroup_apply_control_enable+0x8b9/0x12f0
[  342.827167][  T400]  cgroup_apply_control+0x93/0x710
[  342.832254][  T400]  ? css_next_child+0x160/0x160
[  342.837087][  T400]  ? stack_trace_save+0x12d/0x1f0
[  342.842092][  T400]  ? io_schedule+0x120/0x120
[  342.846766][  T400]  ? kernfs_fop_write_iter+0x15e/0x410
[  342.852198][  T400]  ? __kasan_check_write+0x14/0x20
[  342.857281][  T400]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  342.862540][  T400]  cgroup_subtree_control_write+0xd19/0x1310
[  342.868494][  T400]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  342.874448][  T400]  ? __kasan_check_write+0x14/0x20
[  342.879530][  T400]  ? _copy_from_iter+0x3fb/0xd60
[  342.884442][  T400]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  342.890395][  T400]  cgroup_file_write+0x28e/0x590
[  342.895302][  T400]  ? cgroup_seqfile_stop+0xc0/0xc0
[  342.900389][  T400]  ? mutex_lock+0xa6/0x110
[  342.904782][  T400]  ? mutex_trylock+0xb0/0xb0
[  342.909346][  T400]  ? __kasan_check_write+0x14/0x20
[  342.914434][  T400]  kernfs_fop_write_iter+0x2d0/0x410
[  342.919697][  T400]  ? cgroup_seqfile_stop+0xc0/0xc0
[  342.924783][  T400]  vfs_write+0xc1c/0xf40
[  342.929001][  T400]  ? slab_free_freelist_hook+0xcc/0x1a0
[  342.934519][  T400]  ? kernel_write+0x3c0/0x3c0
[  342.939170][  T400]  ? do_sys_openat2+0x397/0x470
[  342.943995][  T400]  ? __kasan_check_read+0x11/0x20
[  342.948993][  T400]  ? __fdget_pos+0x27e/0x310
[  342.953557][  T400]  ksys_write+0x198/0x2c0
[  342.957857][  T400]  ? __ia32_sys_read+0x90/0x90
[  342.962610][  T400]  ? debug_smp_processor_id+0x17/0x20
[  342.967963][  T400]  __x64_sys_write+0x7b/0x90
[  342.972523][  T400]  do_syscall_64+0x34/0x70
[  342.976913][  T400]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  342.982776][  T400] RIP: 0033:0x7efdb4cf77c9
[  342.987163][  T400] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  343.006738][  T400] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  343.015128][  T400] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  343.023092][  T400] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  343.031038][  T400] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  343.038986][  T400] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  343.046957][  T400] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000003
[  343.055077][  T400] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  343.098230][  T390] FAULT_INJECTION: forcing a failure.
[  343.098230][  T390] name failslab, interval 1, probability 0, space 0, times 0
[  343.110909][  T390] CPU: 0 PID: 390 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  343.121136][  T390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  343.131200][  T390] Call Trace:
[  343.134478][  T390]  dump_stack_lvl+0x1e2/0x24b
[  343.139142][  T390]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  343.144583][  T390]  ? selinux_kernfs_init_security+0x1a8/0x760
[  343.150643][  T390]  dump_stack+0x15/0x17
[  343.154792][  T390]  should_fail+0x3c0/0x510
[  343.159193][  T390]  ? __kernfs_new_node+0x99/0x6e0
[  343.164205][  T390]  __should_failslab+0x9f/0xe0
[  343.168946][  T390]  should_failslab+0x9/0x20
[  343.173423][  T390]  __kmalloc_track_caller+0x5f/0x350
[  343.178686][  T390]  kstrdup_const+0x55/0x90
[  343.183078][  T390]  __kernfs_new_node+0x99/0x6e0
[  343.187906][  T390]  ? is_module_text_address+0xe1/0x140
[  343.193342][  T390]  ? kernfs_new_node+0x170/0x170
[  343.198253][  T390]  ? ptr_to_hashval+0x60/0x60
[  343.202907][  T390]  ? snprintf+0xd6/0x120
[  343.207127][  T390]  ? __kasan_check_write+0x14/0x20
[  343.212216][  T390]  ? mutex_unlock+0x1d/0x40
[  343.216694][  T390]  kernfs_new_node+0x97/0x170
[  343.221346][  T390]  __kernfs_create_file+0x4a/0x270
[  343.226430][  T390]  cgroup_addrm_files+0xab8/0xfe0
[  343.231451][  T390]  ? ____kasan_kmalloc+0xdc/0x110
[  343.236451][  T390]  ? __kasan_kmalloc+0x9/0x10
[  343.241104][  T390]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  343.246623][  T390]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  343.252748][  T390]  ? delete_node+0x759/0x7b0
[  343.257314][  T390]  ? __kasan_check_read+0x11/0x20
[  343.262317][  T390]  ? idr_replace+0x1c4/0x230
[  343.266882][  T390]  ? idr_get_next+0x4b0/0x4b0
[  343.271532][  T390]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  343.276529][  T390]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  343.281704][  T390]  css_populate_dir+0x137/0x370
[  343.286531][  T390]  cgroup_apply_control_enable+0x8b9/0x12f0
[  343.292401][  T390]  cgroup_apply_control+0x93/0x710
[  343.297488][  T390]  ? css_next_child+0x160/0x160
[  343.302314][  T390]  ? stack_trace_save+0x12d/0x1f0
[  343.307315][  T390]  ? io_schedule+0x120/0x120
[  343.311883][  T390]  ? kernfs_fop_write_iter+0x15e/0x410
[  343.317318][  T390]  ? __kasan_check_write+0x14/0x20
[  343.322404][  T390]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  343.327669][  T390]  cgroup_subtree_control_write+0xd19/0x1310
[  343.333636][  T390]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  343.339595][  T390]  ? __kasan_check_write+0x14/0x20
[  343.344696][  T390]  ? _copy_from_iter+0x3fb/0xd60
[  343.349614][  T390]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  343.355567][  T390]  cgroup_file_write+0x28e/0x590
[  343.360485][  T390]  ? cgroup_seqfile_stop+0xc0/0xc0
[  343.365579][  T390]  ? mutex_lock+0xa6/0x110
[  343.370057][  T390]  ? mutex_trylock+0xb0/0xb0
[  343.374625][  T390]  ? __kasan_check_write+0x14/0x20
[  343.379714][  T390]  kernfs_fop_write_iter+0x2d0/0x410
[  343.384972][  T390]  ? cgroup_seqfile_stop+0xc0/0xc0
[  343.390063][  T390]  vfs_write+0xc1c/0xf40
[  343.394285][  T390]  ? slab_free_freelist_hook+0xcc/0x1a0
[  343.399809][  T390]  ? kernel_write+0x3c0/0x3c0
[  343.404461][  T390]  ? do_sys_openat2+0x397/0x470
[  343.409286][  T390]  ? __kasan_check_read+0x11/0x20
[  343.414304][  T390]  ? __fdget_pos+0x27e/0x310
[  343.418868][  T390]  ksys_write+0x198/0x2c0
[  343.423173][  T390]  ? __ia32_sys_read+0x90/0x90
[  343.427915][  T390]  ? debug_smp_processor_id+0x17/0x20
[  343.433261][  T390]  __x64_sys_write+0x7b/0x90
[  343.437825][  T390]  do_syscall_64+0x34/0x70
[  343.442221][  T390]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  343.448096][  T390] RIP: 0033:0x7efdb4cf77c9
[  343.452501][  T390] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  343.472082][  T390] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  343.480472][  T390] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  343.488558][  T390] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
executing program
[  343.496504][  T390] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  343.504451][  T390] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  343.512395][  T390] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000002
[  343.520496][  T390] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  343.568067][  T401] FAULT_INJECTION: forcing a failure.
[  343.568067][  T401] name failslab, interval 1, probability 0, space 0, times 0
[  343.580724][  T401] CPU: 0 PID: 401 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  343.590930][  T401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  343.600967][  T401] Call Trace:
[  343.604231][  T401]  dump_stack_lvl+0x1e2/0x24b
[  343.608878][  T401]  ? panic+0x7d7/0x7d7
[  343.612915][  T401]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  343.618343][  T401]  ? selinux_kernfs_init_security+0x1a8/0x760
[  343.624381][  T401]  dump_stack+0x15/0x17
[  343.628507][  T401]  should_fail+0x3c0/0x510
[  343.632897][  T401]  __should_failslab+0x9f/0xe0
[  343.637631][  T401]  should_failslab+0x9/0x20
[  343.642104][  T401]  kmem_cache_alloc+0x3f/0x300
[  343.646835][  T401]  ? __kernfs_new_node+0xdb/0x6e0
[  343.651830][  T401]  __kernfs_new_node+0xdb/0x6e0
[  343.656671][  T401]  ? is_module_text_address+0xe1/0x140
[  343.662099][  T401]  ? kernfs_new_node+0x170/0x170
[  343.667011][  T401]  ? ptr_to_hashval+0x60/0x60
[  343.671658][  T401]  ? arch_stack_walk+0xf8/0x140
[  343.676478][  T401]  ? snprintf+0xd6/0x120
[  343.680689][  T401]  kernfs_new_node+0x97/0x170
[  343.685344][  T401]  __kernfs_create_file+0x4a/0x270
[  343.690433][  T401]  cgroup_addrm_files+0xab8/0xfe0
[  343.695450][  T401]  ? ____kasan_kmalloc+0xdc/0x110
[  343.700456][  T401]  ? __kasan_kmalloc+0x9/0x10
[  343.705104][  T401]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  343.710626][  T401]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  343.716749][  T401]  ? delete_node+0x759/0x7b0
[  343.721319][  T401]  ? __kasan_check_read+0x11/0x20
[  343.726312][  T401]  ? delete_node+0x759/0x7b0
[  343.730876][  T401]  ? __kasan_check_write+0x14/0x20
[  343.735960][  T401]  ? idr_replace+0x1c4/0x230
[  343.740518][  T401]  ? idr_get_next+0x4b0/0x4b0
[  343.745167][  T401]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  343.750160][  T401]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  343.755329][  T401]  css_populate_dir+0x137/0x370
[  343.760152][  T401]  cgroup_apply_control_enable+0x8b9/0x12f0
[  343.766016][  T401]  cgroup_apply_control+0x93/0x710
[  343.771097][  T401]  ? css_next_child+0x160/0x160
[  343.775914][  T401]  ? stack_trace_save+0x12d/0x1f0
[  343.780910][  T401]  ? io_schedule+0x120/0x120
[  343.785472][  T401]  ? kernfs_fop_write_iter+0x15e/0x410
[  343.790902][  T401]  ? __kasan_check_write+0x14/0x20
[  343.795983][  T401]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  343.801244][  T401]  cgroup_subtree_control_write+0xd19/0x1310
[  343.807201][  T401]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  343.813157][  T401]  ? __kasan_check_write+0x14/0x20
[  343.818249][  T401]  ? _copy_from_iter+0x3fb/0xd60
[  343.823169][  T401]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  343.829119][  T401]  cgroup_file_write+0x28e/0x590
[  343.834036][  T401]  ? cgroup_seqfile_stop+0xc0/0xc0
[  343.839116][  T401]  ? mutex_lock+0xa6/0x110
[  343.843526][  T401]  ? mutex_trylock+0xb0/0xb0
[  343.848095][  T401]  ? __kasan_check_write+0x14/0x20
[  343.853177][  T401]  kernfs_fop_write_iter+0x2d0/0x410
[  343.858430][  T401]  ? cgroup_seqfile_stop+0xc0/0xc0
[  343.863520][  T401]  vfs_write+0xc1c/0xf40
[  343.867734][  T401]  ? slab_free_freelist_hook+0xcc/0x1a0
[  343.873255][  T401]  ? kernel_write+0x3c0/0x3c0
[  343.877903][  T401]  ? do_sys_openat2+0x397/0x470
[  343.882723][  T401]  ? __kasan_check_read+0x11/0x20
[  343.887716][  T401]  ? __fdget_pos+0x27e/0x310
[  343.892287][  T401]  ksys_write+0x198/0x2c0
[  343.896597][  T401]  ? __ia32_sys_read+0x90/0x90
[  343.901338][  T401]  ? debug_smp_processor_id+0x17/0x20
[  343.906692][  T401]  __x64_sys_write+0x7b/0x90
[  343.911262][  T401]  do_syscall_64+0x34/0x70
[  343.915649][  T401]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  343.921513][  T401] RIP: 0033:0x7efdb4cf77c9
[  343.925905][  T401] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  343.945479][  T401] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  343.953863][  T401] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  343.961804][  T401] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  343.969759][  T401] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  343.977707][  T401] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  343.985658][  T401] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000004
[  343.993770][  T401] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  344.038206][  T404] FAULT_INJECTION: forcing a failure.
[  344.038206][  T404] name failslab, interval 1, probability 0, space 0, times 0
[  344.050853][  T404] CPU: 0 PID: 404 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  344.061061][  T404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  344.071092][  T404] Call Trace:
[  344.074387][  T404]  dump_stack_lvl+0x1e2/0x24b
[  344.079042][  T404]  ? panic+0x7d7/0x7d7
[  344.083084][  T404]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  344.088534][  T404]  ? selinux_kernfs_init_security+0x1a8/0x760
[  344.094591][  T404]  dump_stack+0x15/0x17
[  344.098737][  T404]  should_fail+0x3c0/0x510
[  344.103144][  T404]  __should_failslab+0x9f/0xe0
[  344.107886][  T404]  should_failslab+0x9/0x20
[  344.112387][  T404]  kmem_cache_alloc+0x3f/0x300
[  344.117127][  T404]  ? __kernfs_new_node+0xdb/0x6e0
[  344.122141][  T404]  __kernfs_new_node+0xdb/0x6e0
[  344.126977][  T404]  ? is_module_text_address+0xe1/0x140
[  344.132414][  T404]  ? kernfs_new_node+0x170/0x170
[  344.137337][  T404]  ? ptr_to_hashval+0x60/0x60
[  344.141993][  T404]  ? arch_stack_walk+0xf8/0x140
[  344.146822][  T404]  ? snprintf+0xd6/0x120
[  344.151049][  T404]  kernfs_new_node+0x97/0x170
[  344.155713][  T404]  __kernfs_create_file+0x4a/0x270
[  344.160815][  T404]  cgroup_addrm_files+0xab8/0xfe0
[  344.165820][  T404]  ? ____kasan_kmalloc+0xdc/0x110
[  344.170823][  T404]  ? __kasan_kmalloc+0x9/0x10
[  344.175485][  T404]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  344.181032][  T404]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  344.187169][  T404]  ? delete_node+0x759/0x7b0
[  344.191745][  T404]  ? __kasan_check_read+0x11/0x20
[  344.196747][  T404]  ? delete_node+0x759/0x7b0
[  344.201330][  T404]  ? __kasan_check_write+0x14/0x20
[  344.206419][  T404]  ? idr_replace+0x1c4/0x230
[  344.210981][  T404]  ? idr_get_next+0x4b0/0x4b0
[  344.215632][  T404]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  344.220637][  T404]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  344.225809][  T404]  css_populate_dir+0x137/0x370
[  344.230635][  T404]  cgroup_apply_control_enable+0x8b9/0x12f0
[  344.236503][  T404]  cgroup_apply_control+0x93/0x710
[  344.241589][  T404]  ? css_next_child+0x160/0x160
[  344.246428][  T404]  ? stack_trace_save+0x12d/0x1f0
[  344.251434][  T404]  ? io_schedule+0x120/0x120
[  344.256038][  T404]  ? kernfs_fop_write_iter+0x15e/0x410
[  344.261488][  T404]  ? __kasan_check_write+0x14/0x20
[  344.266589][  T404]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  344.271857][  T404]  cgroup_subtree_control_write+0xd19/0x1310
[  344.277832][  T404]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  344.283814][  T404]  ? __kasan_check_write+0x14/0x20
[  344.288908][  T404]  ? _copy_from_iter+0x3fb/0xd60
[  344.293824][  T404]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  344.299778][  T404]  cgroup_file_write+0x28e/0x590
[  344.304692][  T404]  ? cgroup_seqfile_stop+0xc0/0xc0
[  344.309798][  T404]  ? mutex_lock+0xa6/0x110
[  344.314190][  T404]  ? mutex_trylock+0xb0/0xb0
[  344.318753][  T404]  ? __kasan_check_write+0x14/0x20
[  344.323839][  T404]  kernfs_fop_write_iter+0x2d0/0x410
[  344.329103][  T404]  ? cgroup_seqfile_stop+0xc0/0xc0
[  344.334189][  T404]  vfs_write+0xc1c/0xf40
[  344.338406][  T404]  ? slab_free_freelist_hook+0xcc/0x1a0
[  344.343924][  T404]  ? kernel_write+0x3c0/0x3c0
[  344.348577][  T404]  ? do_sys_openat2+0x397/0x470
[  344.353402][  T404]  ? __kasan_check_read+0x11/0x20
[  344.358403][  T404]  ? __fdget_pos+0x27e/0x310
[  344.362984][  T404]  ksys_write+0x198/0x2c0
[  344.367295][  T404]  ? __kasan_check_write+0x14/0x20
[  344.372385][  T404]  ? __ia32_sys_read+0x90/0x90
[  344.377130][  T404]  ? debug_smp_processor_id+0x17/0x20
[  344.382479][  T404]  __x64_sys_write+0x7b/0x90
[  344.387049][  T404]  do_syscall_64+0x34/0x70
[  344.391443][  T404]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  344.397316][  T404] RIP: 0033:0x7efdb4cf77c9
[  344.401717][  T404] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  344.421299][  T404] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  344.429690][  T404] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  344.437641][  T404] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  344.445587][  T404] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  344.453535][  T404] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  344.461481][  T404] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000005
[  344.471464][  T404] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  344.517994][  T395] FAULT_INJECTION: forcing a failure.
[  344.517994][  T395] name failslab, interval 1, probability 0, space 0, times 0
[  344.530637][  T395] CPU: 1 PID: 395 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  344.540856][  T395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  344.550902][  T395] Call Trace:
[  344.554186][  T395]  dump_stack_lvl+0x1e2/0x24b
[  344.558838][  T395]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  344.564270][  T395]  ? selinux_kernfs_init_security+0x1a8/0x760
[  344.570312][  T395]  dump_stack+0x15/0x17
[  344.574442][  T395]  should_fail+0x3c0/0x510
[  344.578835][  T395]  ? __kernfs_new_node+0x99/0x6e0
[  344.583850][  T395]  __should_failslab+0x9f/0xe0
[  344.588596][  T395]  should_failslab+0x9/0x20
[  344.593076][  T395]  __kmalloc_track_caller+0x5f/0x350
[  344.598339][  T395]  kstrdup_const+0x55/0x90
[  344.602755][  T395]  __kernfs_new_node+0x99/0x6e0
[  344.607590][  T395]  ? is_module_text_address+0xe1/0x140
[  344.613021][  T395]  ? kernfs_new_node+0x170/0x170
[  344.617932][  T395]  ? ptr_to_hashval+0x60/0x60
[  344.622583][  T395]  ? snprintf+0xd6/0x120
[  344.626806][  T395]  ? __kasan_check_write+0x14/0x20
[  344.631891][  T395]  ? mutex_unlock+0x1d/0x40
[  344.636365][  T395]  kernfs_new_node+0x97/0x170
[  344.641016][  T395]  __kernfs_create_file+0x4a/0x270
[  344.646104][  T395]  cgroup_addrm_files+0xab8/0xfe0
[  344.651104][  T395]  ? ____kasan_kmalloc+0xdc/0x110
[  344.656101][  T395]  ? __kasan_kmalloc+0x9/0x10
[  344.660760][  T395]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  344.666301][  T395]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  344.672527][  T395]  ? delete_node+0x759/0x7b0
[  344.677088][  T395]  ? __kasan_check_read+0x11/0x20
[  344.682089][  T395]  ? idr_replace+0x1c4/0x230
[  344.686650][  T395]  ? idr_get_next+0x4b0/0x4b0
[  344.691296][  T395]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  344.696293][  T395]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  344.701463][  T395]  css_populate_dir+0x137/0x370
[  344.706286][  T395]  cgroup_apply_control_enable+0x8b9/0x12f0
[  344.712163][  T395]  cgroup_apply_control+0x93/0x710
[  344.717256][  T395]  ? css_next_child+0x160/0x160
[  344.722094][  T395]  ? io_schedule+0x120/0x120
[  344.726658][  T395]  ? kernfs_fop_write_iter+0x15e/0x410
[  344.732088][  T395]  ? __kasan_check_write+0x14/0x20
[  344.737172][  T395]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  344.742432][  T395]  cgroup_subtree_control_write+0xd19/0x1310
[  344.748383][  T395]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  344.754333][  T395]  ? __kasan_check_write+0x14/0x20
[  344.759418][  T395]  ? _copy_from_iter+0x3fb/0xd60
[  344.764328][  T395]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  344.770278][  T395]  cgroup_file_write+0x28e/0x590
[  344.775188][  T395]  ? cgroup_seqfile_stop+0xc0/0xc0
[  344.780270][  T395]  ? mutex_lock+0xa6/0x110
[  344.784659][  T395]  ? mutex_trylock+0xb0/0xb0
[  344.789221][  T395]  ? __kasan_check_write+0x14/0x20
[  344.794304][  T395]  kernfs_fop_write_iter+0x2d0/0x410
[  344.799564][  T395]  ? cgroup_seqfile_stop+0xc0/0xc0
[  344.804650][  T395]  vfs_write+0xc1c/0xf40
[  344.808869][  T395]  ? kernel_write+0x3c0/0x3c0
[  344.813518][  T395]  ? do_sys_openat2+0x397/0x470
[  344.818340][  T395]  ? __kasan_check_read+0x11/0x20
[  344.823334][  T395]  ? __fdget_pos+0x27e/0x310
[  344.827899][  T395]  ksys_write+0x198/0x2c0
[  344.832201][  T395]  ? __ia32_sys_read+0x90/0x90
[  344.836939][  T395]  ? debug_smp_processor_id+0x17/0x20
[  344.842287][  T395]  __x64_sys_write+0x7b/0x90
[  344.846881][  T395]  do_syscall_64+0x34/0x70
[  344.851285][  T395]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  344.857151][  T395] RIP: 0033:0x7efdb4cf77c9
[  344.861536][  T395] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  344.881128][  T395] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  344.889517][  T395] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  344.897461][  T395] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  344.905420][  T395] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
executing program
[  344.913365][  T395] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  344.921307][  T395] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000002
[  344.929395][  T395] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  344.958057][  T403] FAULT_INJECTION: forcing a failure.
[  344.958057][  T403] name failslab, interval 1, probability 0, space 0, times 0
[  344.970745][  T403] CPU: 0 PID: 403 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  344.980961][  T403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  344.991001][  T403] Call Trace:
[  344.994273][  T403]  dump_stack_lvl+0x1e2/0x24b
[  344.998931][  T403]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  345.004408][  T403]  ? selinux_kernfs_init_security+0x1a8/0x760
[  345.010495][  T403]  dump_stack+0x15/0x17
[  345.014623][  T403]  should_fail+0x3c0/0x510
[  345.019012][  T403]  ? __kernfs_new_node+0x99/0x6e0
[  345.024008][  T403]  __should_failslab+0x9f/0xe0
[  345.028745][  T403]  should_failslab+0x9/0x20
[  345.033240][  T403]  __kmalloc_track_caller+0x5f/0x350
[  345.038500][  T403]  kstrdup_const+0x55/0x90
[  345.042909][  T403]  __kernfs_new_node+0x99/0x6e0
[  345.047735][  T403]  ? is_module_text_address+0xe1/0x140
[  345.053182][  T403]  ? kernfs_new_node+0x170/0x170
[  345.058092][  T403]  ? ptr_to_hashval+0x60/0x60
[  345.062745][  T403]  ? snprintf+0xd6/0x120
[  345.066980][  T403]  ? __kasan_check_write+0x14/0x20
[  345.072065][  T403]  ? mutex_unlock+0x1d/0x40
[  345.076544][  T403]  kernfs_new_node+0x97/0x170
[  345.081196][  T403]  __kernfs_create_file+0x4a/0x270
[  345.086284][  T403]  cgroup_addrm_files+0xab8/0xfe0
[  345.091282][  T403]  ? ____kasan_kmalloc+0xdc/0x110
[  345.096276][  T403]  ? __kasan_kmalloc+0x9/0x10
[  345.101020][  T403]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  345.106547][  T403]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  345.112676][  T403]  ? delete_node+0x759/0x7b0
[  345.117256][  T403]  ? __kasan_check_read+0x11/0x20
[  345.122258][  T403]  ? idr_replace+0x1c4/0x230
[  345.126849][  T403]  ? idr_get_next+0x4b0/0x4b0
[  345.131501][  T403]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  345.136499][  T403]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  345.141737][  T403]  css_populate_dir+0x137/0x370
[  345.146561][  T403]  cgroup_apply_control_enable+0x8b9/0x12f0
[  345.152433][  T403]  cgroup_apply_control+0x93/0x710
[  345.157528][  T403]  ? css_next_child+0x160/0x160
[  345.162465][  T403]  ? stack_trace_save+0x12d/0x1f0
[  345.167472][  T403]  ? io_schedule+0x120/0x120
[  345.172040][  T403]  ? kernfs_fop_write_iter+0x15e/0x410
[  345.177479][  T403]  ? __kasan_check_write+0x14/0x20
[  345.182593][  T403]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  345.187861][  T403]  cgroup_subtree_control_write+0xd19/0x1310
[  345.193821][  T403]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  345.199879][  T403]  ? __kasan_check_write+0x14/0x20
[  345.204984][  T403]  ? _copy_from_iter+0x3fb/0xd60
[  345.209984][  T403]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  345.215937][  T403]  cgroup_file_write+0x28e/0x590
[  345.220868][  T403]  ? cgroup_seqfile_stop+0xc0/0xc0
[  345.225952][  T403]  ? mutex_lock+0xa6/0x110
[  345.230342][  T403]  ? mutex_trylock+0xb0/0xb0
[  345.234903][  T403]  ? __kasan_check_write+0x14/0x20
[  345.239987][  T403]  kernfs_fop_write_iter+0x2d0/0x410
[  345.245246][  T403]  ? cgroup_seqfile_stop+0xc0/0xc0
[  345.250405][  T403]  vfs_write+0xc1c/0xf40
[  345.254623][  T403]  ? slab_free_freelist_hook+0xcc/0x1a0
[  345.260140][  T403]  ? kernel_write+0x3c0/0x3c0
[  345.264792][  T403]  ? do_sys_openat2+0x397/0x470
[  345.269638][  T403]  ? __kasan_check_read+0x11/0x20
[  345.274638][  T403]  ? __fdget_pos+0x27e/0x310
[  345.279204][  T403]  ksys_write+0x198/0x2c0
[  345.283507][  T403]  ? __ia32_sys_read+0x90/0x90
[  345.288246][  T403]  ? debug_smp_processor_id+0x17/0x20
[  345.293594][  T403]  __x64_sys_write+0x7b/0x90
[  345.298174][  T403]  do_syscall_64+0x34/0x70
[  345.302564][  T403]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  345.308429][  T403] RIP: 0033:0x7efdb4cf77c9
[  345.312841][  T403] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  345.332420][  T403] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  345.340808][  T403] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  345.348766][  T403] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  345.356735][  T403] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  345.364704][  T403] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  345.372650][  T403] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000003
[  345.380782][  T403] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  345.408021][  T396] FAULT_INJECTION: forcing a failure.
[  345.408021][  T396] name failslab, interval 1, probability 0, space 0, times 0
[  345.420715][  T396] CPU: 1 PID: 396 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  345.430919][  T396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  345.440949][  T396] Call Trace:
[  345.444214][  T396]  dump_stack_lvl+0x1e2/0x24b
[  345.448862][  T396]  ? panic+0x7d7/0x7d7
[  345.452905][  T396]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  345.458354][  T396]  ? selinux_kernfs_init_security+0x1a8/0x760
[  345.464391][  T396]  dump_stack+0x15/0x17
[  345.468520][  T396]  should_fail+0x3c0/0x510
[  345.472909][  T396]  __should_failslab+0x9f/0xe0
[  345.477644][  T396]  should_failslab+0x9/0x20
[  345.482120][  T396]  kmem_cache_alloc+0x3f/0x300
[  345.486854][  T396]  ? __kernfs_new_node+0xdb/0x6e0
[  345.491852][  T396]  __kernfs_new_node+0xdb/0x6e0
[  345.496677][  T396]  ? is_module_text_address+0xe1/0x140
[  345.502105][  T396]  ? kernfs_new_node+0x170/0x170
[  345.507020][  T396]  ? ptr_to_hashval+0x60/0x60
[  345.511666][  T396]  ? arch_stack_walk+0xf8/0x140
[  345.516485][  T396]  ? snprintf+0xd6/0x120
[  345.520697][  T396]  kernfs_new_node+0x97/0x170
[  345.525343][  T396]  __kernfs_create_file+0x4a/0x270
[  345.530427][  T396]  cgroup_addrm_files+0xab8/0xfe0
[  345.535422][  T396]  ? ____kasan_kmalloc+0xdc/0x110
[  345.540414][  T396]  ? __kasan_kmalloc+0x9/0x10
[  345.545077][  T396]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  345.550590][  T396]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  345.556734][  T396]  ? delete_node+0x759/0x7b0
[  345.561294][  T396]  ? __kasan_check_read+0x11/0x20
[  345.566287][  T396]  ? delete_node+0x759/0x7b0
[  345.570849][  T396]  ? __kasan_check_write+0x14/0x20
[  345.575937][  T396]  ? idr_replace+0x1c4/0x230
[  345.580501][  T396]  ? idr_get_next+0x4b0/0x4b0
[  345.585146][  T396]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  345.590139][  T396]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  345.595307][  T396]  css_populate_dir+0x137/0x370
[  345.600127][  T396]  cgroup_apply_control_enable+0x8b9/0x12f0
[  345.605992][  T396]  cgroup_apply_control+0x93/0x710
[  345.611072][  T396]  ? css_next_child+0x160/0x160
[  345.615893][  T396]  ? stack_trace_save+0x12d/0x1f0
[  345.620888][  T396]  ? io_schedule+0x120/0x120
[  345.625449][  T396]  ? kernfs_fop_write_iter+0x15e/0x410
[  345.630894][  T396]  ? __kasan_check_write+0x14/0x20
[  345.635977][  T396]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  345.641232][  T396]  cgroup_subtree_control_write+0xd19/0x1310
[  345.647180][  T396]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  345.653130][  T396]  ? __kasan_check_write+0x14/0x20
[  345.658226][  T396]  ? _copy_from_iter+0x3fb/0xd60
[  345.663131][  T396]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  345.669078][  T396]  cgroup_file_write+0x28e/0x590
[  345.673984][  T396]  ? cgroup_seqfile_stop+0xc0/0xc0
[  345.679068][  T396]  ? mutex_lock+0xa6/0x110
[  345.683454][  T396]  ? mutex_trylock+0xb0/0xb0
[  345.688013][  T396]  ? __kasan_check_write+0x14/0x20
[  345.693095][  T396]  kernfs_fop_write_iter+0x2d0/0x410
[  345.698352][  T396]  ? cgroup_seqfile_stop+0xc0/0xc0
[  345.703433][  T396]  vfs_write+0xc1c/0xf40
[  345.707645][  T396]  ? slab_free_freelist_hook+0xcc/0x1a0
[  345.713161][  T396]  ? kernel_write+0x3c0/0x3c0
[  345.717806][  T396]  ? do_sys_openat2+0x397/0x470
[  345.722625][  T396]  ? irq_exit_rcu+0x9/0x10
[  345.727030][  T396]  ? __kasan_check_read+0x11/0x20
[  345.732028][  T396]  ? __fdget_pos+0x27e/0x310
[  345.736595][  T396]  ksys_write+0x198/0x2c0
[  345.740896][  T396]  ? __ia32_sys_read+0x90/0x90
[  345.745633][  T396]  ? debug_smp_processor_id+0x17/0x20
[  345.750981][  T396]  __x64_sys_write+0x7b/0x90
[  345.755544][  T396]  do_syscall_64+0x34/0x70
[  345.759932][  T396]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  345.765833][  T396] RIP: 0033:0x7efdb4cf77c9
[  345.770224][  T396] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  345.789798][  T396] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  345.798180][  T396] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  345.806122][  T396] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  345.814090][  T396] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
executing program
[  345.822033][  T396] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  345.829975][  T396] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000002
[  345.838165][  T396] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  345.888207][  T399] FAULT_INJECTION: forcing a failure.
[  345.888207][  T399] name failslab, interval 1, probability 0, space 0, times 0
[  345.900915][  T399] CPU: 0 PID: 399 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  345.911138][  T399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  345.921489][  T399] Call Trace:
[  345.925226][  T399]  dump_stack_lvl+0x1e2/0x24b
[  345.929885][  T399]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  345.935328][  T399]  ? selinux_kernfs_init_security+0x1a8/0x760
[  345.941379][  T399]  dump_stack+0x15/0x17
[  345.945532][  T399]  should_fail+0x3c0/0x510
[  345.949939][  T399]  ? __kernfs_new_node+0x99/0x6e0
[  345.954952][  T399]  __should_failslab+0x9f/0xe0
[  345.959694][  T399]  should_failslab+0x9/0x20
[  345.964258][  T399]  __kmalloc_track_caller+0x5f/0x350
[  345.969524][  T399]  kstrdup_const+0x55/0x90
[  345.973913][  T399]  __kernfs_new_node+0x99/0x6e0
[  345.978741][  T399]  ? is_module_text_address+0xe1/0x140
[  345.984178][  T399]  ? kernfs_new_node+0x170/0x170
[  345.989089][  T399]  ? ptr_to_hashval+0x60/0x60
[  345.993740][  T399]  ? snprintf+0xd6/0x120
[  345.997957][  T399]  ? __kasan_check_write+0x14/0x20
[  346.003057][  T399]  ? mutex_unlock+0x1d/0x40
[  346.007533][  T399]  kernfs_new_node+0x97/0x170
[  346.012186][  T399]  __kernfs_create_file+0x4a/0x270
[  346.017270][  T399]  cgroup_addrm_files+0xab8/0xfe0
[  346.022276][  T399]  ? ____kasan_kmalloc+0xdc/0x110
[  346.027296][  T399]  ? __kasan_kmalloc+0x9/0x10
[  346.031946][  T399]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  346.037480][  T399]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  346.043614][  T399]  ? delete_node+0x759/0x7b0
[  346.048175][  T399]  ? __kasan_check_read+0x11/0x20
[  346.053195][  T399]  ? idr_replace+0x1c4/0x230
[  346.057764][  T399]  ? idr_get_next+0x4b0/0x4b0
[  346.062432][  T399]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  346.067426][  T399]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  346.072602][  T399]  css_populate_dir+0x137/0x370
[  346.077520][  T399]  cgroup_apply_control_enable+0x8b9/0x12f0
[  346.083394][  T399]  cgroup_apply_control+0x93/0x710
[  346.088476][  T399]  ? css_next_child+0x160/0x160
[  346.093295][  T399]  ? stack_trace_save+0x12d/0x1f0
[  346.098295][  T399]  ? io_schedule+0x120/0x120
[  346.102860][  T399]  ? kernfs_fop_write_iter+0x15e/0x410
[  346.108295][  T399]  ? __kasan_check_write+0x14/0x20
[  346.113376][  T399]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  346.118634][  T399]  cgroup_subtree_control_write+0xd19/0x1310
[  346.124596][  T399]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  346.130588][  T399]  ? __kasan_check_write+0x14/0x20
[  346.135672][  T399]  ? _copy_from_iter+0x3fb/0xd60
[  346.140582][  T399]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  346.146542][  T399]  cgroup_file_write+0x28e/0x590
[  346.151454][  T399]  ? cgroup_seqfile_stop+0xc0/0xc0
[  346.156573][  T399]  ? mutex_lock+0xa6/0x110
[  346.160975][  T399]  ? mutex_trylock+0xb0/0xb0
[  346.165545][  T399]  ? __kasan_check_write+0x14/0x20
[  346.170632][  T399]  kernfs_fop_write_iter+0x2d0/0x410
[  346.175911][  T399]  ? cgroup_seqfile_stop+0xc0/0xc0
[  346.180997][  T399]  vfs_write+0xc1c/0xf40
[  346.185221][  T399]  ? slab_free_freelist_hook+0xcc/0x1a0
[  346.190750][  T399]  ? kernel_write+0x3c0/0x3c0
[  346.195404][  T399]  ? do_sys_openat2+0x397/0x470
[  346.200229][  T399]  ? __kasan_check_read+0x11/0x20
[  346.205328][  T399]  ? __fdget_pos+0x27e/0x310
[  346.209893][  T399]  ksys_write+0x198/0x2c0
[  346.214208][  T399]  ? __ia32_sys_read+0x90/0x90
[  346.218958][  T399]  ? debug_smp_processor_id+0x17/0x20
[  346.224730][  T399]  __x64_sys_write+0x7b/0x90
[  346.229294][  T399]  do_syscall_64+0x34/0x70
[  346.233686][  T399]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  346.239660][  T399] RIP: 0033:0x7efdb4cf77c9
[  346.244047][  T399] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  346.263737][  T399] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  346.272148][  T399] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  346.280181][  T399] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  346.288125][  T399] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  346.296087][  T399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  346.304034][  T399] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000004
[  346.312102][  T399] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  346.358047][  T405] FAULT_INJECTION: forcing a failure.
[  346.358047][  T405] name failslab, interval 1, probability 0, space 0, times 0
[  346.370809][  T405] CPU: 1 PID: 405 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  346.381015][  T405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  346.391057][  T405] Call Trace:
[  346.394327][  T405]  dump_stack_lvl+0x1e2/0x24b
[  346.398981][  T405]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  346.404418][  T405]  ? selinux_kernfs_init_security+0x1a8/0x760
[  346.410470][  T405]  dump_stack+0x15/0x17
[  346.414598][  T405]  should_fail+0x3c0/0x510
[  346.418985][  T405]  ? __kernfs_new_node+0x99/0x6e0
[  346.423980][  T405]  __should_failslab+0x9f/0xe0
[  346.428714][  T405]  should_failslab+0x9/0x20
[  346.433205][  T405]  __kmalloc_track_caller+0x5f/0x350
[  346.438463][  T405]  kstrdup_const+0x55/0x90
[  346.442867][  T405]  __kernfs_new_node+0x99/0x6e0
[  346.447694][  T405]  ? is_module_text_address+0xe1/0x140
[  346.453126][  T405]  ? kernfs_new_node+0x170/0x170
[  346.458037][  T405]  ? ptr_to_hashval+0x60/0x60
[  346.462699][  T405]  ? snprintf+0xd6/0x120
[  346.466936][  T405]  ? __kasan_check_write+0x14/0x20
[  346.472028][  T405]  ? mutex_unlock+0x1d/0x40
[  346.476508][  T405]  kernfs_new_node+0x97/0x170
[  346.481161][  T405]  __kernfs_create_file+0x4a/0x270
[  346.486248][  T405]  cgroup_addrm_files+0xab8/0xfe0
[  346.491243][  T405]  ? ____kasan_kmalloc+0xdc/0x110
[  346.496240][  T405]  ? __kasan_kmalloc+0x9/0x10
[  346.500908][  T405]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  346.506441][  T405]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  346.512567][  T405]  ? delete_node+0x759/0x7b0
[  346.517131][  T405]  ? __kasan_check_read+0x11/0x20
[  346.522128][  T405]  ? idr_replace+0x1c4/0x230
[  346.527084][  T405]  ? idr_get_next+0x4b0/0x4b0
[  346.531732][  T405]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  346.536728][  T405]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  346.541899][  T405]  css_populate_dir+0x137/0x370
[  346.546738][  T405]  cgroup_apply_control_enable+0x8b9/0x12f0
[  346.552608][  T405]  cgroup_apply_control+0x93/0x710
[  346.557689][  T405]  ? css_next_child+0x160/0x160
[  346.562511][  T405]  ? stack_trace_save+0x12d/0x1f0
[  346.567514][  T405]  ? io_schedule+0x120/0x120
[  346.572076][  T405]  ? kernfs_fop_write_iter+0x15e/0x410
[  346.577506][  T405]  ? __kasan_check_write+0x14/0x20
[  346.582589][  T405]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  346.587844][  T405]  cgroup_subtree_control_write+0xd19/0x1310
[  346.593796][  T405]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  346.599747][  T405]  ? __kasan_check_write+0x14/0x20
[  346.604831][  T405]  ? _copy_from_iter+0x3fb/0xd60
[  346.609741][  T405]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  346.615700][  T405]  cgroup_file_write+0x28e/0x590
[  346.620605][  T405]  ? cgroup_seqfile_stop+0xc0/0xc0
[  346.625693][  T405]  ? mutex_lock+0xa6/0x110
[  346.630079][  T405]  ? mutex_trylock+0xb0/0xb0
[  346.634641][  T405]  ? __kasan_check_write+0x14/0x20
[  346.639723][  T405]  kernfs_fop_write_iter+0x2d0/0x410
[  346.644980][  T405]  ? cgroup_seqfile_stop+0xc0/0xc0
[  346.650062][  T405]  vfs_write+0xc1c/0xf40
[  346.654281][  T405]  ? slab_free_freelist_hook+0xcc/0x1a0
[  346.659800][  T405]  ? kernel_write+0x3c0/0x3c0
[  346.664450][  T405]  ? do_sys_openat2+0x397/0x470
[  346.669271][  T405]  ? __kasan_check_read+0x11/0x20
[  346.674265][  T405]  ? __fdget_pos+0x27e/0x310
[  346.678826][  T405]  ksys_write+0x198/0x2c0
[  346.683140][  T405]  ? __ia32_sys_read+0x90/0x90
[  346.687892][  T405]  ? debug_smp_processor_id+0x17/0x20
[  346.693234][  T405]  __x64_sys_write+0x7b/0x90
[  346.697795][  T405]  do_syscall_64+0x34/0x70
[  346.702186][  T405]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  346.708050][  T405] RIP: 0033:0x7efdb4cf77c9
[  346.712436][  T405] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  346.732271][  T405] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  346.740656][  T405] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  346.748601][  T405] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  346.756562][  T405] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  346.764557][  T405] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  346.772504][  T405] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000006
[  346.780577][  T405] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  346.828238][  T408] FAULT_INJECTION: forcing a failure.
[  346.828238][  T408] name failslab, interval 1, probability 0, space 0, times 0
[  346.840888][  T408] CPU: 0 PID: 408 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  346.851121][  T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  346.861151][  T408] Call Trace:
[  346.864421][  T408]  dump_stack_lvl+0x1e2/0x24b
[  346.869093][  T408]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  346.874530][  T408]  ? stack_trace_save+0x1f0/0x1f0
[  346.879531][  T408]  ? arch_stack_walk+0x106/0x140
[  346.884444][  T408]  dump_stack+0x15/0x17
[  346.888577][  T408]  should_fail+0x3c0/0x510
[  346.892969][  T408]  ? __kernfs_new_node+0x99/0x6e0
[  346.897966][  T408]  __should_failslab+0x9f/0xe0
[  346.902706][  T408]  should_failslab+0x9/0x20
[  346.907188][  T408]  __kmalloc_track_caller+0x5f/0x350
[  346.912449][  T408]  kstrdup_const+0x55/0x90
[  346.916843][  T408]  __kernfs_new_node+0x99/0x6e0
[  346.921667][  T408]  ? is_module_text_address+0xe1/0x140
[  346.927103][  T408]  ? kernfs_new_node+0x170/0x170
[  346.932020][  T408]  ? ptr_to_hashval+0x60/0x60
[  346.936671][  T408]  ? arch_stack_walk+0xf8/0x140
[  346.941502][  T408]  ? snprintf+0xd6/0x120
[  346.945719][  T408]  kernfs_new_node+0x97/0x170
[  346.950372][  T408]  __kernfs_create_file+0x4a/0x270
[  346.955464][  T408]  cgroup_addrm_files+0xab8/0xfe0
[  346.960467][  T408]  ? ____kasan_kmalloc+0xdc/0x110
[  346.965464][  T408]  ? __kasan_kmalloc+0x9/0x10
[  346.970122][  T408]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  346.975661][  T408]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  346.981803][  T408]  ? delete_node+0x759/0x7b0
[  346.986388][  T408]  ? __kasan_check_read+0x11/0x20
[  346.991392][  T408]  ? delete_node+0x759/0x7b0
[  346.995966][  T408]  ? __kasan_check_write+0x14/0x20
[  347.001059][  T408]  ? idr_replace+0x1c4/0x230
[  347.005623][  T408]  ? idr_get_next+0x4b0/0x4b0
[  347.010277][  T408]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  347.015277][  T408]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  347.020449][  T408]  css_populate_dir+0x137/0x370
[  347.025276][  T408]  cgroup_apply_control_enable+0x8b9/0x12f0
[  347.031150][  T408]  cgroup_apply_control+0x93/0x710
[  347.036245][  T408]  ? css_next_child+0x160/0x160
[  347.041068][  T408]  ? stack_trace_save+0x12d/0x1f0
[  347.046065][  T408]  ? io_schedule+0x120/0x120
[  347.050634][  T408]  ? kernfs_fop_write_iter+0x15e/0x410
[  347.056076][  T408]  ? __kasan_check_write+0x14/0x20
[  347.061172][  T408]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  347.066434][  T408]  cgroup_subtree_control_write+0xd19/0x1310
[  347.072387][  T408]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  347.078342][  T408]  ? __kasan_check_write+0x14/0x20
[  347.083430][  T408]  ? _copy_from_iter+0x3fb/0xd60
[  347.088361][  T408]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  347.094319][  T408]  cgroup_file_write+0x28e/0x590
[  347.099234][  T408]  ? cgroup_seqfile_stop+0xc0/0xc0
[  347.104319][  T408]  ? mutex_lock+0xa6/0x110
[  347.108707][  T408]  ? mutex_trylock+0xb0/0xb0
[  347.113272][  T408]  ? __kasan_check_write+0x14/0x20
[  347.118358][  T408]  kernfs_fop_write_iter+0x2d0/0x410
[  347.123620][  T408]  ? cgroup_seqfile_stop+0xc0/0xc0
[  347.128707][  T408]  vfs_write+0xc1c/0xf40
[  347.132924][  T408]  ? slab_free_freelist_hook+0xcc/0x1a0
[  347.138448][  T408]  ? kernel_write+0x3c0/0x3c0
[  347.143100][  T408]  ? do_sys_openat2+0x397/0x470
[  347.147927][  T408]  ? __kasan_check_read+0x11/0x20
[  347.152926][  T408]  ? __fdget_pos+0x27e/0x310
[  347.157492][  T408]  ksys_write+0x198/0x2c0
[  347.161797][  T408]  ? __ia32_sys_read+0x90/0x90
[  347.166609][  T408]  ? debug_smp_processor_id+0x17/0x20
[  347.171977][  T408]  __x64_sys_write+0x7b/0x90
[  347.176558][  T408]  do_syscall_64+0x34/0x70
[  347.180959][  T408]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  347.186826][  T408] RIP: 0033:0x7efdb4cf77c9
[  347.191220][  T408] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  347.210798][  T408] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  347.219186][  T408] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  347.227656][  T408] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  347.235626][  T408] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  347.243575][  T408] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  347.251521][  T408] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000003
[  347.261426][  T408] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  347.368207][  T407] FAULT_INJECTION: forcing a failure.
[  347.368207][  T407] name failslab, interval 1, probability 0, space 0, times 0
[  347.380826][  T407] CPU: 1 PID: 407 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  347.391031][  T407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  347.401061][  T407] Call Trace:
[  347.404331][  T407]  dump_stack_lvl+0x1e2/0x24b
[  347.408983][  T407]  ? panic+0x7d7/0x7d7
[  347.413026][  T407]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  347.418457][  T407]  ? selinux_kernfs_init_security+0x1a8/0x760
[  347.424499][  T407]  dump_stack+0x15/0x17
[  347.428629][  T407]  should_fail+0x3c0/0x510
[  347.433019][  T407]  __should_failslab+0x9f/0xe0
[  347.437760][  T407]  should_failslab+0x9/0x20
[  347.442239][  T407]  kmem_cache_alloc+0x3f/0x300
[  347.446976][  T407]  ? __kernfs_new_node+0xdb/0x6e0
[  347.451973][  T407]  __kernfs_new_node+0xdb/0x6e0
[  347.456798][  T407]  ? is_module_text_address+0xe1/0x140
[  347.462234][  T407]  ? kernfs_new_node+0x170/0x170
[  347.467145][  T407]  ? ptr_to_hashval+0x60/0x60
[  347.471795][  T407]  ? arch_stack_walk+0xf8/0x140
[  347.476626][  T407]  ? snprintf+0xd6/0x120
[  347.480851][  T407]  kernfs_new_node+0x97/0x170
[  347.485516][  T407]  __kernfs_create_file+0x4a/0x270
[  347.490599][  T407]  cgroup_addrm_files+0xab8/0xfe0
[  347.495594][  T407]  ? ____kasan_kmalloc+0xdc/0x110
[  347.500594][  T407]  ? __kasan_kmalloc+0x9/0x10
[  347.505242][  T407]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  347.510758][  T407]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  347.516917][  T407]  ? delete_node+0x759/0x7b0
[  347.521486][  T407]  ? __kasan_check_read+0x11/0x20
[  347.526484][  T407]  ? delete_node+0x759/0x7b0
[  347.531047][  T407]  ? __kasan_check_write+0x14/0x20
[  347.536134][  T407]  ? idr_replace+0x1c4/0x230
[  347.540715][  T407]  ? idr_get_next+0x4b0/0x4b0
[  347.545363][  T407]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  347.550357][  T407]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  347.555528][  T407]  css_populate_dir+0x137/0x370
[  347.560351][  T407]  cgroup_apply_control_enable+0x8b9/0x12f0
[  347.566224][  T407]  cgroup_apply_control+0x93/0x710
[  347.571310][  T407]  ? css_next_child+0x160/0x160
[  347.576139][  T407]  ? stack_trace_save+0x12d/0x1f0
[  347.581144][  T407]  ? io_schedule+0x120/0x120
[  347.585704][  T407]  ? kernfs_fop_write_iter+0x15e/0x410
[  347.591142][  T407]  ? __kasan_check_write+0x14/0x20
[  347.596229][  T407]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  347.601487][  T407]  cgroup_subtree_control_write+0xd19/0x1310
[  347.607439][  T407]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  347.613397][  T407]  ? __kasan_check_write+0x14/0x20
[  347.618478][  T407]  ? _copy_from_iter+0x3fb/0xd60
[  347.623560][  T407]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  347.629510][  T407]  cgroup_file_write+0x28e/0x590
[  347.634432][  T407]  ? cgroup_seqfile_stop+0xc0/0xc0
[  347.639524][  T407]  ? mutex_lock+0xa6/0x110
[  347.643920][  T407]  ? mutex_trylock+0xb0/0xb0
[  347.648482][  T407]  ? __kasan_check_write+0x14/0x20
[  347.653568][  T407]  kernfs_fop_write_iter+0x2d0/0x410
[  347.658828][  T407]  ? cgroup_seqfile_stop+0xc0/0xc0
[  347.663916][  T407]  vfs_write+0xc1c/0xf40
[  347.668134][  T407]  ? slab_free_freelist_hook+0xcc/0x1a0
[  347.673650][  T407]  ? kernel_write+0x3c0/0x3c0
[  347.678301][  T407]  ? do_sys_openat2+0x397/0x470
[  347.683123][  T407]  ? __kasan_check_read+0x11/0x20
[  347.688123][  T407]  ? __fdget_pos+0x27e/0x310
[  347.692683][  T407]  ksys_write+0x198/0x2c0
[  347.696985][  T407]  ? __ia32_sys_read+0x90/0x90
[  347.701721][  T407]  ? debug_smp_processor_id+0x17/0x20
[  347.707062][  T407]  __x64_sys_write+0x7b/0x90
[  347.711623][  T407]  do_syscall_64+0x34/0x70
[  347.716104][  T407]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  347.721967][  T407] RIP: 0033:0x7efdb4cf77c9
[  347.726356][  T407] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  347.745932][  T407] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  347.754323][  T407] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  347.762294][  T407] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  347.770241][  T407] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  347.778193][  T407] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  347.786144][  T407] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000004
[  347.794273][  T407] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  347.838158][  T402] FAULT_INJECTION: forcing a failure.
[  347.838158][  T402] name failslab, interval 1, probability 0, space 0, times 0
[  347.850826][  T402] CPU: 0 PID: 402 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  347.861055][  T402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  347.871094][  T402] Call Trace:
[  347.874365][  T402]  dump_stack_lvl+0x1e2/0x24b
[  347.879016][  T402]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  347.884471][  T402]  ? selinux_kernfs_init_security+0x1a8/0x760
[  347.890527][  T402]  dump_stack+0x15/0x17
[  347.894663][  T402]  should_fail+0x3c0/0x510
[  347.899090][  T402]  ? __kernfs_new_node+0x99/0x6e0
[  347.904095][  T402]  __should_failslab+0x9f/0xe0
[  347.908837][  T402]  should_failslab+0x9/0x20
[  347.913323][  T402]  __kmalloc_track_caller+0x5f/0x350
[  347.918580][  T402]  kstrdup_const+0x55/0x90
[  347.922969][  T402]  __kernfs_new_node+0x99/0x6e0
[  347.927797][  T402]  ? is_module_text_address+0xe1/0x140
[  347.933247][  T402]  ? kernfs_new_node+0x170/0x170
[  347.938172][  T402]  ? ptr_to_hashval+0x60/0x60
[  347.942840][  T402]  ? snprintf+0xd6/0x120
[  347.947067][  T402]  ? __kasan_check_write+0x14/0x20
[  347.952248][  T402]  ? mutex_unlock+0x1d/0x40
[  347.956738][  T402]  kernfs_new_node+0x97/0x170
[  347.961393][  T402]  __kernfs_create_file+0x4a/0x270
[  347.966491][  T402]  cgroup_addrm_files+0xab8/0xfe0
[  347.971493][  T402]  ? ____kasan_kmalloc+0xdc/0x110
[  347.976494][  T402]  ? __kasan_kmalloc+0x9/0x10
[  347.981148][  T402]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  347.986670][  T402]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  347.992855][  T402]  ? delete_node+0x759/0x7b0
[  347.997424][  T402]  ? __kasan_check_read+0x11/0x20
[  348.002433][  T402]  ? idr_replace+0x1c4/0x230
[  348.007000][  T402]  ? idr_get_next+0x4b0/0x4b0
[  348.011652][  T402]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  348.016652][  T402]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  348.021830][  T402]  css_populate_dir+0x137/0x370
[  348.026661][  T402]  cgroup_apply_control_enable+0x8b9/0x12f0
[  348.032532][  T402]  cgroup_apply_control+0x93/0x710
[  348.037616][  T402]  ? css_next_child+0x160/0x160
[  348.042440][  T402]  ? io_schedule+0x120/0x120
[  348.047006][  T402]  ? kernfs_fop_write_iter+0x15e/0x410
[  348.052451][  T402]  ? __kasan_check_write+0x14/0x20
[  348.057547][  T402]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  348.062891][  T402]  cgroup_subtree_control_write+0xd19/0x1310
[  348.068854][  T402]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  348.074819][  T402]  ? __kasan_check_write+0x14/0x20
[  348.079989][  T402]  ? _copy_from_iter+0x3fb/0xd60
[  348.084899][  T402]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  348.090849][  T402]  cgroup_file_write+0x28e/0x590
[  348.095767][  T402]  ? cgroup_seqfile_stop+0xc0/0xc0
[  348.100868][  T402]  ? mutex_lock+0xa6/0x110
[  348.105263][  T402]  ? mutex_trylock+0xb0/0xb0
[  348.109831][  T402]  ? __kasan_check_write+0x14/0x20
[  348.114938][  T402]  kernfs_fop_write_iter+0x2d0/0x410
[  348.120208][  T402]  ? cgroup_seqfile_stop+0xc0/0xc0
[  348.125715][  T402]  vfs_write+0xc1c/0xf40
[  348.129933][  T402]  ? kernel_write+0x3c0/0x3c0
[  348.134587][  T402]  ? do_sys_openat2+0x397/0x470
[  348.139410][  T402]  ? __kasan_check_read+0x11/0x20
[  348.144409][  T402]  ? __fdget_pos+0x27e/0x310
[  348.149062][  T402]  ksys_write+0x198/0x2c0
[  348.153371][  T402]  ? __ia32_sys_read+0x90/0x90
[  348.158113][  T402]  ? debug_smp_processor_id+0x17/0x20
[  348.163460][  T402]  __x64_sys_write+0x7b/0x90
[  348.168035][  T402]  do_syscall_64+0x34/0x70
[  348.172442][  T402]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  348.178318][  T402] RIP: 0033:0x7efdb4cf77c9
[  348.182717][  T402] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  348.202324][  T402] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  348.210714][  T402] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  348.218664][  T402] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  348.226702][  T402] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
executing program
[  348.234649][  T402] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  348.242595][  T402] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000004
[  348.250650][  T402] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  348.298234][  T413] FAULT_INJECTION: forcing a failure.
[  348.298234][  T413] name failslab, interval 1, probability 0, space 0, times 0
[  348.310993][  T413] CPU: 0 PID: 413 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  348.321226][  T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  348.331895][  T413] Call Trace:
[  348.335188][  T413]  dump_stack_lvl+0x1e2/0x24b
[  348.339839][  T413]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  348.345291][  T413]  ? selinux_kernfs_init_security+0x1a8/0x760
[  348.351335][  T413]  dump_stack+0x15/0x17
[  348.355467][  T413]  should_fail+0x3c0/0x510
[  348.359858][  T413]  ? __kernfs_new_node+0x99/0x6e0
[  348.364855][  T413]  __should_failslab+0x9f/0xe0
[  348.369608][  T413]  should_failslab+0x9/0x20
[  348.374082][  T413]  __kmalloc_track_caller+0x5f/0x350
[  348.379342][  T413]  kstrdup_const+0x55/0x90
[  348.383732][  T413]  __kernfs_new_node+0x99/0x6e0
[  348.388555][  T413]  ? is_module_text_address+0xe1/0x140
[  348.393985][  T413]  ? kernfs_new_node+0x170/0x170
[  348.398894][  T413]  ? ptr_to_hashval+0x60/0x60
[  348.403545][  T413]  ? snprintf+0xd6/0x120
[  348.407766][  T413]  ? __kasan_check_write+0x14/0x20
[  348.412857][  T413]  ? mutex_unlock+0x1d/0x40
[  348.417328][  T413]  kernfs_new_node+0x97/0x170
[  348.421974][  T413]  __kernfs_create_file+0x4a/0x270
[  348.427065][  T413]  cgroup_addrm_files+0xab8/0xfe0
[  348.432059][  T413]  ? ____kasan_kmalloc+0xdc/0x110
[  348.437052][  T413]  ? __kasan_kmalloc+0x9/0x10
[  348.441701][  T413]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  348.447218][  T413]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  348.453350][  T413]  ? delete_node+0x759/0x7b0
[  348.457912][  T413]  ? __kasan_check_read+0x11/0x20
[  348.462914][  T413]  ? idr_replace+0x1c4/0x230
[  348.467475][  T413]  ? idr_get_next+0x4b0/0x4b0
[  348.472124][  T413]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  348.477123][  T413]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  348.482297][  T413]  css_populate_dir+0x137/0x370
[  348.487121][  T413]  cgroup_apply_control_enable+0x8b9/0x12f0
[  348.493006][  T413]  cgroup_apply_control+0x93/0x710
[  348.498121][  T413]  ? css_next_child+0x160/0x160
[  348.502942][  T413]  ? stack_trace_save+0x12d/0x1f0
[  348.507946][  T413]  ? io_schedule+0x120/0x120
[  348.512510][  T413]  ? kernfs_fop_write_iter+0x15e/0x410
[  348.517943][  T413]  ? __kasan_check_write+0x14/0x20
[  348.523495][  T413]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  348.528768][  T413]  cgroup_subtree_control_write+0xd19/0x1310
[  348.534719][  T413]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  348.540670][  T413]  ? __kasan_check_write+0x14/0x20
[  348.545751][  T413]  ? _copy_from_iter+0x3fb/0xd60
[  348.550659][  T413]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  348.556609][  T413]  cgroup_file_write+0x28e/0x590
[  348.561517][  T413]  ? cgroup_seqfile_stop+0xc0/0xc0
[  348.566599][  T413]  ? mutex_lock+0xa6/0x110
[  348.570986][  T413]  ? mutex_trylock+0xb0/0xb0
[  348.575552][  T413]  ? __kasan_check_write+0x14/0x20
[  348.580635][  T413]  kernfs_fop_write_iter+0x2d0/0x410
[  348.585893][  T413]  ? cgroup_seqfile_stop+0xc0/0xc0
[  348.590976][  T413]  vfs_write+0xc1c/0xf40
[  348.595202][  T413]  ? slab_free_freelist_hook+0xcc/0x1a0
[  348.600729][  T413]  ? kernel_write+0x3c0/0x3c0
[  348.605375][  T413]  ? do_sys_openat2+0x397/0x470
[  348.610197][  T413]  ? __kasan_check_read+0x11/0x20
[  348.615194][  T413]  ? __fdget_pos+0x27e/0x310
[  348.619754][  T413]  ksys_write+0x198/0x2c0
[  348.624059][  T413]  ? __ia32_sys_read+0x90/0x90
[  348.628800][  T413]  ? debug_smp_processor_id+0x17/0x20
[  348.634149][  T413]  __x64_sys_write+0x7b/0x90
[  348.638713][  T413]  do_syscall_64+0x34/0x70
[  348.643105][  T413]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  348.648970][  T413] RIP: 0033:0x7efdb4cf77c9
[  348.653358][  T413] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  348.672933][  T413] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  348.681320][  T413] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  348.689282][  T413] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  348.697226][  T413] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  348.705170][  T413] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  348.713113][  T413] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000005
[  348.721224][  T413] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  348.768353][  T409] FAULT_INJECTION: forcing a failure.
[  348.768353][  T409] name failslab, interval 1, probability 0, space 0, times 0
[  348.781040][  T409] CPU: 1 PID: 409 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  348.791272][  T409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  348.801316][  T409] Call Trace:
[  348.804589][  T409]  dump_stack_lvl+0x1e2/0x24b
[  348.809249][  T409]  ? panic+0x7d7/0x7d7
[  348.813296][  T409]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  348.818758][  T409]  ? selinux_kernfs_init_security+0x1a8/0x760
[  348.824833][  T409]  dump_stack+0x15/0x17
[  348.828971][  T409]  should_fail+0x3c0/0x510
[  348.833362][  T409]  __should_failslab+0x9f/0xe0
[  348.838122][  T409]  should_failslab+0x9/0x20
[  348.842614][  T409]  kmem_cache_alloc+0x3f/0x300
[  348.847373][  T409]  ? __kernfs_new_node+0xdb/0x6e0
[  348.852375][  T409]  __kernfs_new_node+0xdb/0x6e0
[  348.857206][  T409]  ? is_module_text_address+0xe1/0x140
[  348.862639][  T409]  ? kernfs_new_node+0x170/0x170
[  348.867558][  T409]  ? ptr_to_hashval+0x60/0x60
[  348.872222][  T409]  ? arch_stack_walk+0xf8/0x140
[  348.877046][  T409]  ? snprintf+0xd6/0x120
[  348.881308][  T409]  kernfs_new_node+0x97/0x170
[  348.885986][  T409]  __kernfs_create_file+0x4a/0x270
[  348.891082][  T409]  cgroup_addrm_files+0xab8/0xfe0
[  348.896092][  T409]  ? ____kasan_kmalloc+0xdc/0x110
[  348.901094][  T409]  ? __kasan_kmalloc+0x9/0x10
[  348.905752][  T409]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  348.911278][  T409]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  348.917407][  T409]  ? delete_node+0x759/0x7b0
[  348.921982][  T409]  ? __kasan_check_read+0x11/0x20
[  348.927061][  T409]  ? delete_node+0x759/0x7b0
[  348.931660][  T409]  ? __kasan_check_write+0x14/0x20
[  348.936756][  T409]  ? idr_replace+0x1c4/0x230
[  348.941324][  T409]  ? idr_get_next+0x4b0/0x4b0
[  348.945976][  T409]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  348.950987][  T409]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  348.956167][  T409]  css_populate_dir+0x137/0x370
[  348.960993][  T409]  cgroup_apply_control_enable+0x8b9/0x12f0
[  348.966865][  T409]  cgroup_apply_control+0x93/0x710
[  348.971960][  T409]  ? css_next_child+0x160/0x160
[  348.976797][  T409]  ? stack_trace_save+0x12d/0x1f0
[  348.981805][  T409]  ? io_schedule+0x120/0x120
[  348.986371][  T409]  ? kernfs_fop_write_iter+0x15e/0x410
[  348.991804][  T409]  ? __kasan_check_write+0x14/0x20
[  348.996890][  T409]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  349.002148][  T409]  cgroup_subtree_control_write+0xd19/0x1310
[  349.008115][  T409]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  349.014073][  T409]  ? __kasan_check_write+0x14/0x20
[  349.019156][  T409]  ? _copy_from_iter+0x3fb/0xd60
[  349.024089][  T409]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  349.030138][  T409]  cgroup_file_write+0x28e/0x590
[  349.035070][  T409]  ? cgroup_seqfile_stop+0xc0/0xc0
[  349.040156][  T409]  ? mutex_lock+0xa6/0x110
[  349.044550][  T409]  ? mutex_trylock+0xb0/0xb0
[  349.049118][  T409]  ? __kasan_check_write+0x14/0x20
[  349.054204][  T409]  kernfs_fop_write_iter+0x2d0/0x410
[  349.059465][  T409]  ? cgroup_seqfile_stop+0xc0/0xc0
[  349.064550][  T409]  vfs_write+0xc1c/0xf40
[  349.068767][  T409]  ? slab_free_freelist_hook+0xcc/0x1a0
[  349.074290][  T409]  ? kernel_write+0x3c0/0x3c0
[  349.078940][  T409]  ? do_sys_openat2+0x397/0x470
[  349.083767][  T409]  ? __kasan_check_read+0x11/0x20
[  349.088765][  T409]  ? __fdget_pos+0x27e/0x310
[  349.093327][  T409]  ksys_write+0x198/0x2c0
[  349.097629][  T409]  ? __ia32_sys_read+0x90/0x90
[  349.102369][  T409]  ? debug_smp_processor_id+0x17/0x20
[  349.107711][  T409]  __x64_sys_write+0x7b/0x90
[  349.112278][  T409]  do_syscall_64+0x34/0x70
[  349.116671][  T409]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  349.122541][  T409] RIP: 0033:0x7efdb4cf77c9
[  349.126933][  T409] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  349.146514][  T409] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  349.154909][  T409] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  349.163001][  T409] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  349.170949][  T409] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  349.178914][  T409] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  349.186862][  T409] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000005
[  349.194969][  T409] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  349.238248][  T415] FAULT_INJECTION: forcing a failure.
[  349.238248][  T415] name failslab, interval 1, probability 0, space 0, times 0
[  349.250935][  T415] CPU: 0 PID: 415 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  349.261158][  T415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  349.271209][  T415] Call Trace:
[  349.274479][  T415]  dump_stack_lvl+0x1e2/0x24b
[  349.279148][  T415]  ? panic+0x7d7/0x7d7
[  349.283200][  T415]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  349.288650][  T415]  ? selinux_kernfs_init_security+0x1a8/0x760
[  349.294691][  T415]  dump_stack+0x15/0x17
[  349.298820][  T415]  should_fail+0x3c0/0x510
[  349.303213][  T415]  __should_failslab+0x9f/0xe0
[  349.307964][  T415]  should_failslab+0x9/0x20
[  349.312440][  T415]  kmem_cache_alloc+0x3f/0x300
[  349.317176][  T415]  ? __kernfs_new_node+0xdb/0x6e0
[  349.322177][  T415]  __kernfs_new_node+0xdb/0x6e0
[  349.327002][  T415]  ? is_module_text_address+0xe1/0x140
[  349.332431][  T415]  ? kernfs_new_node+0x170/0x170
[  349.337347][  T415]  ? ptr_to_hashval+0x60/0x60
[  349.341995][  T415]  ? arch_stack_walk+0xf8/0x140
[  349.346827][  T415]  ? snprintf+0xd6/0x120
[  349.351047][  T415]  kernfs_new_node+0x97/0x170
[  349.355699][  T415]  __kernfs_create_file+0x4a/0x270
[  349.360785][  T415]  cgroup_addrm_files+0xab8/0xfe0
[  349.365783][  T415]  ? ____kasan_kmalloc+0xdc/0x110
[  349.370784][  T415]  ? __kasan_kmalloc+0x9/0x10
[  349.375453][  T415]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  349.380973][  T415]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  349.387104][  T415]  ? delete_node+0x759/0x7b0
[  349.391671][  T415]  ? __kasan_check_read+0x11/0x20
[  349.396670][  T415]  ? delete_node+0x759/0x7b0
[  349.401239][  T415]  ? __kasan_check_write+0x14/0x20
[  349.406334][  T415]  ? idr_replace+0x1c4/0x230
[  349.410895][  T415]  ? idr_get_next+0x4b0/0x4b0
[  349.415544][  T415]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  349.420538][  T415]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  349.425708][  T415]  css_populate_dir+0x137/0x370
[  349.430529][  T415]  cgroup_apply_control_enable+0x8b9/0x12f0
[  349.436397][  T415]  cgroup_apply_control+0x93/0x710
[  349.441570][  T415]  ? css_next_child+0x160/0x160
[  349.446395][  T415]  ? io_schedule+0x120/0x120
[  349.450975][  T415]  ? kernfs_fop_write_iter+0x15e/0x410
[  349.456408][  T415]  ? __kasan_check_write+0x14/0x20
[  349.461493][  T415]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  349.466767][  T415]  cgroup_subtree_control_write+0xd19/0x1310
[  349.472719][  T415]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  349.478772][  T415]  ? __kasan_check_write+0x14/0x20
[  349.483893][  T415]  ? _copy_from_iter+0x3fb/0xd60
[  349.488803][  T415]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  349.494769][  T415]  cgroup_file_write+0x28e/0x590
[  349.499694][  T415]  ? cgroup_seqfile_stop+0xc0/0xc0
[  349.504778][  T415]  ? mutex_lock+0xa6/0x110
[  349.509166][  T415]  ? mutex_trylock+0xb0/0xb0
[  349.513728][  T415]  ? __kasan_check_write+0x14/0x20
[  349.518812][  T415]  kernfs_fop_write_iter+0x2d0/0x410
[  349.524072][  T415]  ? cgroup_seqfile_stop+0xc0/0xc0
[  349.529156][  T415]  vfs_write+0xc1c/0xf40
[  349.533372][  T415]  ? kernel_write+0x3c0/0x3c0
[  349.538027][  T415]  ? do_sys_openat2+0x397/0x470
[  349.542857][  T415]  ? __kasan_check_read+0x11/0x20
[  349.547871][  T415]  ? __fdget_pos+0x27e/0x310
[  349.552435][  T415]  ksys_write+0x198/0x2c0
[  349.556738][  T415]  ? __ia32_sys_read+0x90/0x90
[  349.561478][  T415]  ? debug_smp_processor_id+0x17/0x20
[  349.566827][  T415]  __x64_sys_write+0x7b/0x90
[  349.571390][  T415]  do_syscall_64+0x34/0x70
[  349.575779][  T415]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  349.581649][  T415] RIP: 0033:0x7efdb4cf77c9
[  349.586037][  T415] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  349.605617][  T415] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  349.614168][  T415] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  349.622122][  T415] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  349.630074][  T415] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  349.638032][  T415] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  349.645983][  T415] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000006
[  349.654033][  T415] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  349.698085][  T410] FAULT_INJECTION: forcing a failure.
[  349.698085][  T410] name failslab, interval 1, probability 0, space 0, times 0
[  349.710732][  T410] CPU: 1 PID: 410 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  349.720941][  T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  349.731414][  T410] Call Trace:
[  349.734683][  T410]  dump_stack_lvl+0x1e2/0x24b
[  349.739437][  T410]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  349.744890][  T410]  ? selinux_kernfs_init_security+0x1a8/0x760
[  349.750954][  T410]  dump_stack+0x15/0x17
[  349.755084][  T410]  should_fail+0x3c0/0x510
[  349.759476][  T410]  ? __kernfs_new_node+0x99/0x6e0
[  349.764481][  T410]  __should_failslab+0x9f/0xe0
[  349.769222][  T410]  should_failslab+0x9/0x20
[  349.773699][  T410]  __kmalloc_track_caller+0x5f/0x350
[  349.778957][  T410]  kstrdup_const+0x55/0x90
[  349.783347][  T410]  __kernfs_new_node+0x99/0x6e0
[  349.788171][  T410]  ? is_module_text_address+0xe1/0x140
[  349.793603][  T410]  ? kernfs_new_node+0x170/0x170
[  349.798537][  T410]  ? ptr_to_hashval+0x60/0x60
[  349.803189][  T410]  ? snprintf+0xd6/0x120
[  349.807408][  T410]  ? __kasan_check_write+0x14/0x20
[  349.812497][  T410]  ? mutex_unlock+0x1d/0x40
[  349.816984][  T410]  kernfs_new_node+0x97/0x170
[  349.821634][  T410]  __kernfs_create_file+0x4a/0x270
[  349.826722][  T410]  cgroup_addrm_files+0xab8/0xfe0
[  349.831718][  T410]  ? ____kasan_kmalloc+0xdc/0x110
[  349.836714][  T410]  ? __kasan_kmalloc+0x9/0x10
[  349.841460][  T410]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  349.846977][  T410]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  349.853147][  T410]  ? delete_node+0x759/0x7b0
[  349.857730][  T410]  ? __kasan_check_read+0x11/0x20
[  349.862740][  T410]  ? idr_replace+0x1c4/0x230
[  349.867304][  T410]  ? idr_get_next+0x4b0/0x4b0
[  349.871955][  T410]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  349.876950][  T410]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  349.882121][  T410]  css_populate_dir+0x137/0x370
[  349.886957][  T410]  cgroup_apply_control_enable+0x8b9/0x12f0
[  349.892837][  T410]  cgroup_apply_control+0x93/0x710
[  349.897929][  T410]  ? css_next_child+0x160/0x160
[  349.902750][  T410]  ? stack_trace_save+0x12d/0x1f0
[  349.907753][  T410]  ? io_schedule+0x120/0x120
[  349.912321][  T410]  ? kernfs_fop_write_iter+0x15e/0x410
[  349.917758][  T410]  ? __kasan_check_write+0x14/0x20
[  349.922862][  T410]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  349.928129][  T410]  cgroup_subtree_control_write+0xd19/0x1310
[  349.934080][  T410]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  349.940033][  T410]  ? __kasan_check_write+0x14/0x20
[  349.945115][  T410]  ? _copy_from_iter+0x3fb/0xd60
[  349.950024][  T410]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  349.955974][  T410]  cgroup_file_write+0x28e/0x590
[  349.960887][  T410]  ? cgroup_seqfile_stop+0xc0/0xc0
[  349.965986][  T410]  ? mutex_lock+0xa6/0x110
[  349.970376][  T410]  ? mutex_trylock+0xb0/0xb0
[  349.974938][  T410]  ? __kasan_check_write+0x14/0x20
[  349.980053][  T410]  kernfs_fop_write_iter+0x2d0/0x410
[  349.985313][  T410]  ? cgroup_seqfile_stop+0xc0/0xc0
[  349.990401][  T410]  vfs_write+0xc1c/0xf40
[  349.994613][  T410]  ? slab_free_freelist_hook+0xcc/0x1a0
[  350.000136][  T410]  ? kernel_write+0x3c0/0x3c0
[  350.004787][  T410]  ? do_sys_openat2+0x397/0x470
[  350.009621][  T410]  ? __kasan_check_read+0x11/0x20
[  350.014624][  T410]  ? __fdget_pos+0x27e/0x310
[  350.019190][  T410]  ksys_write+0x198/0x2c0
[  350.023491][  T410]  ? __ia32_sys_read+0x90/0x90
[  350.028297][  T410]  ? debug_smp_processor_id+0x17/0x20
[  350.033659][  T410]  __x64_sys_write+0x7b/0x90
[  350.038226][  T410]  do_syscall_64+0x34/0x70
[  350.042619][  T410]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  350.048484][  T410] RIP: 0033:0x7efdb4cf77c9
[  350.052877][  T410] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  350.072455][  T410] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  350.080944][  T410] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  350.088893][  T410] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  350.096855][  T410] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  350.104804][  T410] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  350.112759][  T410] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000007
[  350.120911][  T410] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  350.168002][  T414] FAULT_INJECTION: forcing a failure.
[  350.168002][  T414] name failslab, interval 1, probability 0, space 0, times 0
[  350.180699][  T414] CPU: 1 PID: 414 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  350.190950][  T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  350.200981][  T414] Call Trace:
[  350.204256][  T414]  dump_stack_lvl+0x1e2/0x24b
[  350.208907][  T414]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  350.214343][  T414]  ? selinux_kernfs_init_security+0x1a8/0x760
[  350.220434][  T414]  dump_stack+0x15/0x17
[  350.224910][  T414]  should_fail+0x3c0/0x510
[  350.229301][  T414]  ? __kernfs_new_node+0x99/0x6e0
[  350.234298][  T414]  __should_failslab+0x9f/0xe0
[  350.239036][  T414]  should_failslab+0x9/0x20
[  350.243512][  T414]  __kmalloc_track_caller+0x5f/0x350
[  350.248767][  T414]  kstrdup_const+0x55/0x90
[  350.253156][  T414]  __kernfs_new_node+0x99/0x6e0
[  350.257989][  T414]  ? is_module_text_address+0xe1/0x140
[  350.263423][  T414]  ? kernfs_new_node+0x170/0x170
[  350.268358][  T414]  ? ptr_to_hashval+0x60/0x60
[  350.273008][  T414]  ? snprintf+0xd6/0x120
[  350.277222][  T414]  ? __kasan_check_write+0x14/0x20
[  350.282304][  T414]  ? mutex_unlock+0x1d/0x40
[  350.286778][  T414]  kernfs_new_node+0x97/0x170
[  350.291427][  T414]  __kernfs_create_file+0x4a/0x270
[  350.296511][  T414]  cgroup_addrm_files+0xab8/0xfe0
[  350.301506][  T414]  ? ____kasan_kmalloc+0xdc/0x110
[  350.306502][  T414]  ? __kasan_kmalloc+0x9/0x10
[  350.311152][  T414]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  350.316671][  T414]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  350.322808][  T414]  ? delete_node+0x759/0x7b0
[  350.327382][  T414]  ? __kasan_check_read+0x11/0x20
[  350.332390][  T414]  ? idr_replace+0x1c4/0x230
[  350.336952][  T414]  ? idr_get_next+0x4b0/0x4b0
[  350.341597][  T414]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  350.346593][  T414]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  350.351764][  T414]  css_populate_dir+0x137/0x370
[  350.356597][  T414]  cgroup_apply_control_enable+0x8b9/0x12f0
[  350.362462][  T414]  cgroup_apply_control+0x93/0x710
[  350.367548][  T414]  ? css_next_child+0x160/0x160
[  350.372380][  T414]  ? stack_trace_save+0x12d/0x1f0
[  350.377377][  T414]  ? io_schedule+0x120/0x120
[  350.381940][  T414]  ? kernfs_fop_write_iter+0x15e/0x410
[  350.387370][  T414]  ? __kasan_check_write+0x14/0x20
[  350.392452][  T414]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  350.397840][  T414]  cgroup_subtree_control_write+0xd19/0x1310
[  350.403790][  T414]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  350.409739][  T414]  ? __kasan_check_write+0x14/0x20
[  350.414824][  T414]  ? _copy_from_iter+0x3fb/0xd60
[  350.419736][  T414]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  350.425686][  T414]  cgroup_file_write+0x28e/0x590
[  350.430599][  T414]  ? cgroup_seqfile_stop+0xc0/0xc0
[  350.435681][  T414]  ? mutex_lock+0xa6/0x110
[  350.440068][  T414]  ? mutex_trylock+0xb0/0xb0
[  350.444629][  T414]  ? __kasan_check_write+0x14/0x20
[  350.449735][  T414]  kernfs_fop_write_iter+0x2d0/0x410
[  350.454991][  T414]  ? cgroup_seqfile_stop+0xc0/0xc0
[  350.460077][  T414]  vfs_write+0xc1c/0xf40
[  350.464290][  T414]  ? slab_free_freelist_hook+0xcc/0x1a0
[  350.469811][  T414]  ? kernel_write+0x3c0/0x3c0
[  350.474461][  T414]  ? do_sys_openat2+0x397/0x470
[  350.479285][  T414]  ? __kasan_check_read+0x11/0x20
[  350.484289][  T414]  ? __fdget_pos+0x27e/0x310
[  350.488852][  T414]  ksys_write+0x198/0x2c0
[  350.493157][  T414]  ? __ia32_sys_read+0x90/0x90
[  350.497902][  T414]  ? debug_smp_processor_id+0x17/0x20
[  350.503256][  T414]  __x64_sys_write+0x7b/0x90
[  350.507840][  T414]  do_syscall_64+0x34/0x70
[  350.512248][  T414]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  350.518112][  T414] RIP: 0033:0x7efdb4cf77c9
[  350.522500][  T414] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  350.542426][  T414] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  350.550824][  T414] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  350.558775][  T414] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  350.566729][  T414] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  350.574674][  T414] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  350.582619][  T414] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000006
[  350.590683][  T414] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  350.638060][  T406] FAULT_INJECTION: forcing a failure.
[  350.638060][  T406] name failslab, interval 1, probability 0, space 0, times 0
[  350.650733][  T406] CPU: 1 PID: 406 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  350.660951][  T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  350.670980][  T406] Call Trace:
[  350.674251][  T406]  dump_stack_lvl+0x1e2/0x24b
[  350.678903][  T406]  ? panic+0x7d7/0x7d7
[  350.682944][  T406]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  350.688375][  T406]  ? selinux_kernfs_init_security+0x1a8/0x760
[  350.694413][  T406]  dump_stack+0x15/0x17
[  350.698539][  T406]  should_fail+0x3c0/0x510
[  350.702927][  T406]  __should_failslab+0x9f/0xe0
[  350.707664][  T406]  should_failslab+0x9/0x20
[  350.712138][  T406]  kmem_cache_alloc+0x3f/0x300
[  350.716894][  T406]  ? __kernfs_new_node+0xdb/0x6e0
[  350.721892][  T406]  __kernfs_new_node+0xdb/0x6e0
[  350.726735][  T406]  ? is_module_text_address+0xe1/0x140
[  350.732167][  T406]  ? kernfs_new_node+0x170/0x170
[  350.737075][  T406]  ? ptr_to_hashval+0x60/0x60
[  350.741737][  T406]  ? arch_stack_walk+0xf8/0x140
[  350.746563][  T406]  ? snprintf+0xd6/0x120
[  350.751724][  T406]  kernfs_new_node+0x97/0x170
[  350.756388][  T406]  __kernfs_create_file+0x4a/0x270
[  350.761478][  T406]  cgroup_addrm_files+0xab8/0xfe0
[  350.766477][  T406]  ? ____kasan_kmalloc+0xdc/0x110
[  350.771474][  T406]  ? __kasan_kmalloc+0x9/0x10
[  350.776125][  T406]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  350.781646][  T406]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  350.787772][  T406]  ? delete_node+0x759/0x7b0
[  350.792340][  T406]  ? __kasan_check_read+0x11/0x20
[  350.797338][  T406]  ? delete_node+0x759/0x7b0
[  350.801899][  T406]  ? __kasan_check_write+0x14/0x20
[  350.806986][  T406]  ? idr_replace+0x1c4/0x230
[  350.811548][  T406]  ? idr_get_next+0x4b0/0x4b0
[  350.816195][  T406]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  350.821229][  T406]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  350.826845][  T406]  css_populate_dir+0x137/0x370
[  350.831674][  T406]  cgroup_apply_control_enable+0x8b9/0x12f0
[  350.837542][  T406]  cgroup_apply_control+0x93/0x710
[  350.842625][  T406]  ? css_next_child+0x160/0x160
[  350.847446][  T406]  ? stack_trace_save+0x12d/0x1f0
[  350.852446][  T406]  ? io_schedule+0x120/0x120
[  350.857022][  T406]  ? kernfs_fop_write_iter+0x15e/0x410
[  350.862467][  T406]  ? __kasan_check_write+0x14/0x20
[  350.867554][  T406]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  350.872820][  T406]  cgroup_subtree_control_write+0xd19/0x1310
[  350.878774][  T406]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  350.884731][  T406]  ? __kasan_check_write+0x14/0x20
[  350.889813][  T406]  ? _copy_from_iter+0x3fb/0xd60
[  350.894724][  T406]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  350.900673][  T406]  cgroup_file_write+0x28e/0x590
[  350.905581][  T406]  ? cgroup_seqfile_stop+0xc0/0xc0
[  350.910663][  T406]  ? mutex_lock+0xa6/0x110
[  350.915051][  T406]  ? mutex_trylock+0xb0/0xb0
[  350.919635][  T406]  ? __kasan_check_write+0x14/0x20
[  350.925065][  T406]  kernfs_fop_write_iter+0x2d0/0x410
[  350.930321][  T406]  ? cgroup_seqfile_stop+0xc0/0xc0
[  350.935409][  T406]  vfs_write+0xc1c/0xf40
[  350.939622][  T406]  ? slab_free_freelist_hook+0xcc/0x1a0
[  350.945145][  T406]  ? kernel_write+0x3c0/0x3c0
[  350.949806][  T406]  ? do_sys_openat2+0x397/0x470
[  350.954637][  T406]  ? __kasan_check_read+0x11/0x20
[  350.959648][  T406]  ? __fdget_pos+0x27e/0x310
[  350.964215][  T406]  ksys_write+0x198/0x2c0
[  350.968540][  T406]  ? __ia32_sys_read+0x90/0x90
[  350.973298][  T406]  ? debug_smp_processor_id+0x17/0x20
[  350.978648][  T406]  __x64_sys_write+0x7b/0x90
[  350.983219][  T406]  do_syscall_64+0x34/0x70
[  350.987628][  T406]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  350.993495][  T406] RIP: 0033:0x7efdb4cf77c9
[  350.997886][  T406] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  351.017465][  T406] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  351.025875][  T406] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
executing program
[  351.033829][  T406] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  351.041777][  T406] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  351.049744][  T406] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  351.057703][  T406] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000003
[  351.065784][  T406] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  351.108290][  T418] FAULT_INJECTION: forcing a failure.
[  351.108290][  T418] name fail_page_alloc, interval 1, probability 0, space 0, times 1
[  351.121591][  T418] CPU: 0 PID: 418 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  351.131807][  T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  351.141843][  T418] Call Trace:
[  351.145121][  T418]  dump_stack_lvl+0x1e2/0x24b
[  351.149775][  T418]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  351.155211][  T418]  ? stack_trace_save+0x12d/0x1f0
[  351.160212][  T418]  dump_stack+0x15/0x17
[  351.164343][  T418]  should_fail+0x3c0/0x510
[  351.168738][  T418]  should_fail_alloc_page+0x50/0x60
[  351.173918][  T418]  __alloc_pages_nodemask+0x1c0/0x890
[  351.179274][  T418]  ? mutex_trylock+0xb0/0xb0
[  351.183847][  T418]  ? gfp_pfmemalloc_allowed+0x120/0x120
[  351.189366][  T418]  ? mutex_unlock+0x1d/0x40
[  351.193863][  T418]  ? kernfs_xattr_get+0x80/0x90
[  351.198689][  T418]  ? selinux_kernfs_init_security+0x1a8/0x760
[  351.204729][  T418]  allocate_slab+0x78/0x540
[  351.209210][  T418]  ___slab_alloc+0x131/0x2e0
[  351.213772][  T418]  ? __kernfs_new_node+0xdb/0x6e0
[  351.218771][  T418]  __slab_alloc+0x63/0xa0
[  351.223335][  T418]  ? __kernfs_new_node+0xdb/0x6e0
[  351.228336][  T418]  kmem_cache_alloc+0x1ef/0x300
[  351.233158][  T418]  ? __kernfs_new_node+0xdb/0x6e0
[  351.238153][  T418]  __kernfs_new_node+0xdb/0x6e0
[  351.242978][  T418]  ? is_module_text_address+0xe1/0x140
[  351.248410][  T418]  ? kernfs_new_node+0x170/0x170
[  351.253321][  T418]  ? ptr_to_hashval+0x60/0x60
[  351.257970][  T418]  ? arch_stack_walk+0xf8/0x140
[  351.262792][  T418]  ? snprintf+0xd6/0x120
[  351.267007][  T418]  kernfs_new_node+0x97/0x170
[  351.271663][  T418]  __kernfs_create_file+0x4a/0x270
[  351.276757][  T418]  cgroup_addrm_files+0xab8/0xfe0
[  351.281758][  T418]  ? ____kasan_kmalloc+0xdc/0x110
[  351.286755][  T418]  ? __kasan_kmalloc+0x9/0x10
[  351.291406][  T418]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  351.296926][  T418]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  351.303073][  T418]  ? delete_node+0x759/0x7b0
[  351.307637][  T418]  ? __kasan_check_read+0x11/0x20
[  351.312633][  T418]  ? delete_node+0x759/0x7b0
[  351.317196][  T418]  ? __kasan_check_write+0x14/0x20
[  351.322282][  T418]  ? idr_replace+0x1c4/0x230
[  351.327194][  T418]  ? idr_get_next+0x4b0/0x4b0
[  351.331844][  T418]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  351.336843][  T418]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  351.342024][  T418]  css_populate_dir+0x137/0x370
[  351.346847][  T418]  cgroup_apply_control_enable+0x8b9/0x12f0
[  351.352734][  T418]  cgroup_apply_control+0x93/0x710
[  351.357822][  T418]  ? css_next_child+0x160/0x160
[  351.362644][  T418]  ? stack_trace_save+0x12d/0x1f0
[  351.367673][  T418]  ? io_schedule+0x120/0x120
[  351.372243][  T418]  ? kernfs_fop_write_iter+0x15e/0x410
[  351.377672][  T418]  ? __kasan_check_write+0x14/0x20
[  351.382761][  T418]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  351.388040][  T418]  cgroup_subtree_control_write+0xd19/0x1310
[  351.393995][  T418]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  351.399957][  T418]  ? __kasan_check_write+0x14/0x20
[  351.405067][  T418]  ? _copy_from_iter+0x3fb/0xd60
[  351.409977][  T418]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  351.415927][  T418]  cgroup_file_write+0x28e/0x590
[  351.420837][  T418]  ? cgroup_seqfile_stop+0xc0/0xc0
[  351.425927][  T418]  ? mutex_lock+0xa6/0x110
[  351.430321][  T418]  ? mutex_trylock+0xb0/0xb0
[  351.434886][  T418]  ? __kasan_check_write+0x14/0x20
[  351.439970][  T418]  kernfs_fop_write_iter+0x2d0/0x410
[  351.445234][  T418]  ? cgroup_seqfile_stop+0xc0/0xc0
[  351.450324][  T418]  vfs_write+0xc1c/0xf40
[  351.454541][  T418]  ? slab_free_freelist_hook+0xcc/0x1a0
[  351.460064][  T418]  ? kernel_write+0x3c0/0x3c0
[  351.464722][  T418]  ? do_sys_openat2+0x397/0x470
[  351.469563][  T418]  ? __kasan_check_read+0x11/0x20
[  351.474569][  T418]  ? __fdget_pos+0x27e/0x310
[  351.479151][  T418]  ksys_write+0x198/0x2c0
[  351.483470][  T418]  ? __ia32_sys_read+0x90/0x90
[  351.488234][  T418]  ? debug_smp_processor_id+0x17/0x20
[  351.493587][  T418]  __x64_sys_write+0x7b/0x90
[  351.498157][  T418]  do_syscall_64+0x34/0x70
[  351.502555][  T418]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  351.508420][  T418] RIP: 0033:0x7efdb4cf77c9
[  351.512809][  T418] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  351.532388][  T418] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  351.540774][  T418] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  351.548719][  T418] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
executing program
executing program
[  351.556682][  T418] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  351.564652][  T418] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  351.572599][  T418] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000007
[  351.608207][  T411] FAULT_INJECTION: forcing a failure.
[  351.608207][  T411] name failslab, interval 1, probability 0, space 0, times 0
[  351.620903][  T411] CPU: 0 PID: 411 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  351.631373][  T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  351.641402][  T411] Call Trace:
[  351.644672][  T411]  dump_stack_lvl+0x1e2/0x24b
[  351.649322][  T411]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  351.654757][  T411]  ? selinux_kernfs_init_security+0x1a8/0x760
[  351.660799][  T411]  dump_stack+0x15/0x17
[  351.664935][  T411]  should_fail+0x3c0/0x510
[  351.669337][  T411]  ? __kernfs_new_node+0x99/0x6e0
[  351.674333][  T411]  __should_failslab+0x9f/0xe0
[  351.679078][  T411]  should_failslab+0x9/0x20
[  351.683567][  T411]  __kmalloc_track_caller+0x5f/0x350
[  351.688828][  T411]  kstrdup_const+0x55/0x90
[  351.693225][  T411]  __kernfs_new_node+0x99/0x6e0
[  351.698049][  T411]  ? is_module_text_address+0xe1/0x140
[  351.703498][  T411]  ? kernfs_new_node+0x170/0x170
[  351.708408][  T411]  ? ptr_to_hashval+0x60/0x60
[  351.713060][  T411]  ? snprintf+0xd6/0x120
[  351.717288][  T411]  ? __kasan_check_write+0x14/0x20
[  351.722397][  T411]  ? mutex_unlock+0x1d/0x40
[  351.726873][  T411]  kernfs_new_node+0x97/0x170
[  351.731528][  T411]  __kernfs_create_file+0x4a/0x270
[  351.736612][  T411]  cgroup_addrm_files+0xab8/0xfe0
[  351.741627][  T411]  ? ____kasan_kmalloc+0xdc/0x110
[  351.746621][  T411]  ? __kasan_kmalloc+0x9/0x10
[  351.751278][  T411]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  351.756817][  T411]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  351.762945][  T411]  ? delete_node+0x759/0x7b0
[  351.767526][  T411]  ? __kasan_check_read+0x11/0x20
[  351.772524][  T411]  ? idr_replace+0x1c4/0x230
[  351.777089][  T411]  ? idr_get_next+0x4b0/0x4b0
[  351.781737][  T411]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  351.786731][  T411]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  351.791903][  T411]  css_populate_dir+0x137/0x370
[  351.796727][  T411]  cgroup_apply_control_enable+0x8b9/0x12f0
[  351.802591][  T411]  cgroup_apply_control+0x93/0x710
[  351.807674][  T411]  ? css_next_child+0x160/0x160
[  351.812500][  T411]  ? stack_trace_save+0x12d/0x1f0
[  351.817505][  T411]  ? io_schedule+0x120/0x120
[  351.822078][  T411]  ? kernfs_fop_write_iter+0x15e/0x410
[  351.827530][  T411]  ? __kasan_check_write+0x14/0x20
[  351.832615][  T411]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  351.837874][  T411]  cgroup_subtree_control_write+0xd19/0x1310
[  351.843842][  T411]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  351.849803][  T411]  ? __kasan_check_write+0x14/0x20
[  351.854888][  T411]  ? _copy_from_iter+0x3fb/0xd60
[  351.859803][  T411]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  351.865760][  T411]  cgroup_file_write+0x28e/0x590
[  351.870676][  T411]  ? cgroup_seqfile_stop+0xc0/0xc0
[  351.875767][  T411]  ? mutex_lock+0xa6/0x110
[  351.880156][  T411]  ? mutex_trylock+0xb0/0xb0
[  351.884721][  T411]  ? __kasan_check_write+0x14/0x20
[  351.889806][  T411]  kernfs_fop_write_iter+0x2d0/0x410
[  351.895067][  T411]  ? cgroup_seqfile_stop+0xc0/0xc0
[  351.900151][  T411]  vfs_write+0xc1c/0xf40
[  351.904368][  T411]  ? slab_free_freelist_hook+0xcc/0x1a0
[  351.909912][  T411]  ? kernel_write+0x3c0/0x3c0
[  351.914560][  T411]  ? do_sys_openat2+0x397/0x470
[  351.919383][  T411]  ? __kasan_check_read+0x11/0x20
[  351.924383][  T411]  ? __fdget_pos+0x27e/0x310
[  351.928948][  T411]  ksys_write+0x198/0x2c0
[  351.933255][  T411]  ? __ia32_sys_read+0x90/0x90
[  351.938011][  T411]  ? debug_smp_processor_id+0x17/0x20
[  351.943357][  T411]  __x64_sys_write+0x7b/0x90
[  351.947921][  T411]  do_syscall_64+0x34/0x70
[  351.952311][  T411]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  351.958182][  T411] RIP: 0033:0x7efdb4cf77c9
[  351.962586][  T411] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  351.982185][  T411] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  351.990608][  T411] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  351.998576][  T411] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  352.006531][  T411] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  352.014477][  T411] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  352.022423][  T411] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000004
[  352.030487][  T411] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  352.078164][  T423] FAULT_INJECTION: forcing a failure.
[  352.078164][  T423] name failslab, interval 1, probability 0, space 0, times 0
[  352.090903][  T423] CPU: 0 PID: 423 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  352.101140][  T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  352.111189][  T423] Call Trace:
[  352.114483][  T423]  dump_stack_lvl+0x1e2/0x24b
[  352.119137][  T423]  ? panic+0x7d7/0x7d7
[  352.123181][  T423]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  352.128634][  T423]  ? selinux_kernfs_init_security+0x1a8/0x760
[  352.134675][  T423]  dump_stack+0x15/0x17
[  352.138806][  T423]  should_fail+0x3c0/0x510
[  352.143200][  T423]  __should_failslab+0x9f/0xe0
[  352.147936][  T423]  should_failslab+0x9/0x20
[  352.152417][  T423]  kmem_cache_alloc+0x3f/0x300
[  352.157159][  T423]  ? __kernfs_new_node+0xdb/0x6e0
[  352.162168][  T423]  __kernfs_new_node+0xdb/0x6e0
[  352.167004][  T423]  ? is_module_text_address+0xe1/0x140
[  352.172454][  T423]  ? kernfs_new_node+0x170/0x170
[  352.177379][  T423]  ? ptr_to_hashval+0x60/0x60
[  352.182031][  T423]  ? arch_stack_walk+0xf8/0x140
[  352.186861][  T423]  ? snprintf+0xd6/0x120
[  352.191081][  T423]  kernfs_new_node+0x97/0x170
[  352.195732][  T423]  __kernfs_create_file+0x4a/0x270
[  352.200829][  T423]  cgroup_addrm_files+0xab8/0xfe0
[  352.205829][  T423]  ? ____kasan_kmalloc+0xdc/0x110
[  352.210836][  T423]  ? __kasan_kmalloc+0x9/0x10
[  352.215484][  T423]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  352.221005][  T423]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  352.227477][  T423]  ? delete_node+0x759/0x7b0
[  352.232039][  T423]  ? __kasan_check_read+0x11/0x20
[  352.237034][  T423]  ? delete_node+0x759/0x7b0
[  352.241600][  T423]  ? __kasan_check_write+0x14/0x20
[  352.246689][  T423]  ? idr_replace+0x1c4/0x230
[  352.251252][  T423]  ? idr_get_next+0x4b0/0x4b0
[  352.255905][  T423]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  352.260935][  T423]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  352.266108][  T423]  css_populate_dir+0x137/0x370
[  352.270936][  T423]  cgroup_apply_control_enable+0x8b9/0x12f0
[  352.276805][  T423]  cgroup_apply_control+0x93/0x710
[  352.281888][  T423]  ? css_next_child+0x160/0x160
[  352.286712][  T423]  ? stack_trace_save+0x12d/0x1f0
[  352.291796][  T423]  ? io_schedule+0x120/0x120
[  352.296363][  T423]  ? kernfs_fop_write_iter+0x15e/0x410
[  352.301814][  T423]  ? __kasan_check_write+0x14/0x20
[  352.306916][  T423]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  352.312177][  T423]  cgroup_subtree_control_write+0xd19/0x1310
[  352.318148][  T423]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  352.324103][  T423]  ? __kasan_check_write+0x14/0x20
[  352.329184][  T423]  ? _copy_from_iter+0x3fb/0xd60
[  352.334092][  T423]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  352.340043][  T423]  cgroup_file_write+0x28e/0x590
[  352.344952][  T423]  ? cgroup_seqfile_stop+0xc0/0xc0
[  352.350037][  T423]  ? mutex_lock+0xa6/0x110
[  352.354450][  T423]  ? mutex_trylock+0xb0/0xb0
[  352.359104][  T423]  ? __kasan_check_write+0x14/0x20
[  352.364189][  T423]  kernfs_fop_write_iter+0x2d0/0x410
[  352.369454][  T423]  ? cgroup_seqfile_stop+0xc0/0xc0
[  352.374538][  T423]  vfs_write+0xc1c/0xf40
[  352.378754][  T423]  ? slab_free_freelist_hook+0xcc/0x1a0
[  352.384275][  T423]  ? kernel_write+0x3c0/0x3c0
[  352.388933][  T423]  ? do_sys_openat2+0x397/0x470
[  352.393770][  T423]  ? __kasan_check_read+0x11/0x20
[  352.398794][  T423]  ? __fdget_pos+0x27e/0x310
[  352.403361][  T423]  ksys_write+0x198/0x2c0
[  352.407693][  T423]  ? __ia32_sys_read+0x90/0x90
[  352.412435][  T423]  ? debug_smp_processor_id+0x17/0x20
[  352.417787][  T423]  __x64_sys_write+0x7b/0x90
[  352.422363][  T423]  do_syscall_64+0x34/0x70
[  352.426755][  T423]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  352.432622][  T423] RIP: 0033:0x7efdb4cf77c9
[  352.437011][  T423] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  352.456592][  T423] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  352.464994][  T423] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  352.472950][  T423] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  352.480899][  T423] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  352.488849][  T423] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  352.496797][  T423] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000005
[  352.504848][  T423] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  352.548229][  T424] FAULT_INJECTION: forcing a failure.
[  352.548229][  T424] name failslab, interval 1, probability 0, space 0, times 0
[  352.560896][  T424] CPU: 0 PID: 424 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  352.571104][  T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  352.581137][  T424] Call Trace:
[  352.584425][  T424]  dump_stack_lvl+0x1e2/0x24b
[  352.589077][  T424]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  352.594507][  T424]  ? selinux_kernfs_init_security+0x1a8/0x760
[  352.600545][  T424]  dump_stack+0x15/0x17
[  352.604676][  T424]  should_fail+0x3c0/0x510
[  352.609067][  T424]  ? __kernfs_new_node+0x99/0x6e0
[  352.614061][  T424]  __should_failslab+0x9f/0xe0
[  352.618797][  T424]  should_failslab+0x9/0x20
[  352.623271][  T424]  __kmalloc_track_caller+0x5f/0x350
[  352.628528][  T424]  kstrdup_const+0x55/0x90
[  352.632916][  T424]  __kernfs_new_node+0x99/0x6e0
[  352.637747][  T424]  ? is_module_text_address+0xe1/0x140
[  352.643200][  T424]  ? kernfs_new_node+0x170/0x170
[  352.648112][  T424]  ? ptr_to_hashval+0x60/0x60
[  352.652760][  T424]  ? snprintf+0xd6/0x120
[  352.656975][  T424]  ? __kasan_check_write+0x14/0x20
[  352.662077][  T424]  ? mutex_unlock+0x1d/0x40
[  352.666553][  T424]  kernfs_new_node+0x97/0x170
[  352.671201][  T424]  __kernfs_create_file+0x4a/0x270
[  352.676286][  T424]  cgroup_addrm_files+0xab8/0xfe0
[  352.681282][  T424]  ? ____kasan_kmalloc+0xdc/0x110
[  352.686275][  T424]  ? __kasan_kmalloc+0x9/0x10
[  352.690923][  T424]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  352.696701][  T424]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  352.702826][  T424]  ? delete_node+0x759/0x7b0
[  352.707389][  T424]  ? __kasan_check_read+0x11/0x20
[  352.712384][  T424]  ? idr_replace+0x1c4/0x230
[  352.716944][  T424]  ? idr_get_next+0x4b0/0x4b0
[  352.721590][  T424]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  352.726609][  T424]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  352.731783][  T424]  css_populate_dir+0x137/0x370
[  352.736609][  T424]  cgroup_apply_control_enable+0x8b9/0x12f0
[  352.742488][  T424]  cgroup_apply_control+0x93/0x710
[  352.747599][  T424]  ? css_next_child+0x160/0x160
[  352.752533][  T424]  ? stack_trace_save+0x12d/0x1f0
[  352.757591][  T424]  ? io_schedule+0x120/0x120
[  352.762157][  T424]  ? kernfs_fop_write_iter+0x15e/0x410
[  352.767593][  T424]  ? __kasan_check_write+0x14/0x20
[  352.772732][  T424]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  352.777992][  T424]  cgroup_subtree_control_write+0xd19/0x1310
[  352.783954][  T424]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  352.789999][  T424]  ? __kasan_check_write+0x14/0x20
[  352.795195][  T424]  ? _copy_from_iter+0x3fb/0xd60
[  352.800114][  T424]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  352.806131][  T424]  cgroup_file_write+0x28e/0x590
[  352.811057][  T424]  ? cgroup_seqfile_stop+0xc0/0xc0
[  352.816149][  T424]  ? mutex_lock+0xa6/0x110
[  352.820544][  T424]  ? mutex_trylock+0xb0/0xb0
[  352.825119][  T424]  ? __kasan_check_write+0x14/0x20
[  352.830208][  T424]  kernfs_fop_write_iter+0x2d0/0x410
[  352.835483][  T424]  ? cgroup_seqfile_stop+0xc0/0xc0
[  352.840569][  T424]  vfs_write+0xc1c/0xf40
[  352.844796][  T424]  ? slab_free_freelist_hook+0xcc/0x1a0
[  352.850335][  T424]  ? kernel_write+0x3c0/0x3c0
[  352.854989][  T424]  ? do_sys_openat2+0x397/0x470
[  352.859818][  T424]  ? __kasan_check_read+0x11/0x20
[  352.864818][  T424]  ? __fdget_pos+0x27e/0x310
[  352.869384][  T424]  ksys_write+0x198/0x2c0
[  352.873696][  T424]  ? __ia32_sys_read+0x90/0x90
[  352.878452][  T424]  ? debug_smp_processor_id+0x17/0x20
[  352.883806][  T424]  __x64_sys_write+0x7b/0x90
[  352.888373][  T424]  do_syscall_64+0x34/0x70
[  352.892764][  T424]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  352.898684][  T424] RIP: 0033:0x7efdb4cf77c9
[  352.903200][  T424] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  352.922796][  T424] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  352.931185][  T424] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  352.939140][  T424] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  352.947094][  T424] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  352.955162][  T424] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  352.963120][  T424] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000006
[  352.971198][  T424] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  353.018220][  T416] FAULT_INJECTION: forcing a failure.
[  353.018220][  T416] name failslab, interval 1, probability 0, space 0, times 0
[  353.030967][  T416] CPU: 0 PID: 416 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  353.041191][  T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  353.051220][  T416] Call Trace:
[  353.054489][  T416]  dump_stack_lvl+0x1e2/0x24b
[  353.059157][  T416]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  353.064593][  T416]  ? selinux_kernfs_init_security+0x1a8/0x760
[  353.070639][  T416]  dump_stack+0x15/0x17
[  353.074768][  T416]  should_fail+0x3c0/0x510
[  353.079157][  T416]  ? __kernfs_new_node+0x99/0x6e0
[  353.084152][  T416]  __should_failslab+0x9f/0xe0
[  353.088891][  T416]  should_failslab+0x9/0x20
[  353.093367][  T416]  __kmalloc_track_caller+0x5f/0x350
[  353.098626][  T416]  kstrdup_const+0x55/0x90
[  353.103029][  T416]  __kernfs_new_node+0x99/0x6e0
[  353.107877][  T416]  ? is_module_text_address+0xe1/0x140
[  353.113305][  T416]  ? kernfs_new_node+0x170/0x170
[  353.118226][  T416]  ? ptr_to_hashval+0x60/0x60
[  353.122887][  T416]  ? snprintf+0xd6/0x120
[  353.127106][  T416]  ? __kasan_check_write+0x14/0x20
[  353.132191][  T416]  ? mutex_unlock+0x1d/0x40
[  353.136669][  T416]  kernfs_new_node+0x97/0x170
[  353.141340][  T416]  __kernfs_create_file+0x4a/0x270
[  353.146424][  T416]  cgroup_addrm_files+0xab8/0xfe0
[  353.151421][  T416]  ? ____kasan_kmalloc+0xdc/0x110
[  353.156417][  T416]  ? __kasan_kmalloc+0x9/0x10
[  353.161068][  T416]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  353.166587][  T416]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  353.172725][  T416]  ? delete_node+0x759/0x7b0
[  353.177285][  T416]  ? __kasan_check_read+0x11/0x20
[  353.182282][  T416]  ? idr_replace+0x1c4/0x230
[  353.186865][  T416]  ? idr_get_next+0x4b0/0x4b0
[  353.191522][  T416]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  353.196546][  T416]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  353.201735][  T416]  css_populate_dir+0x137/0x370
[  353.206567][  T416]  cgroup_apply_control_enable+0x8b9/0x12f0
[  353.212455][  T416]  cgroup_apply_control+0x93/0x710
[  353.217541][  T416]  ? css_next_child+0x160/0x160
[  353.222367][  T416]  ? stack_trace_save+0x12d/0x1f0
[  353.227363][  T416]  ? io_schedule+0x120/0x120
[  353.231941][  T416]  ? kernfs_fop_write_iter+0x15e/0x410
[  353.237375][  T416]  ? __kasan_check_write+0x14/0x20
[  353.242474][  T416]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  353.247735][  T416]  cgroup_subtree_control_write+0xd19/0x1310
[  353.253694][  T416]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  353.259652][  T416]  ? __kasan_check_write+0x14/0x20
[  353.264798][  T416]  ? _copy_from_iter+0x3fb/0xd60
[  353.269706][  T416]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  353.275654][  T416]  cgroup_file_write+0x28e/0x590
[  353.280687][  T416]  ? cgroup_seqfile_stop+0xc0/0xc0
[  353.285886][  T416]  ? mutex_lock+0xa6/0x110
[  353.290288][  T416]  ? mutex_trylock+0xb0/0xb0
[  353.294861][  T416]  ? __kasan_check_write+0x14/0x20
[  353.299963][  T416]  kernfs_fop_write_iter+0x2d0/0x410
[  353.305221][  T416]  ? cgroup_seqfile_stop+0xc0/0xc0
[  353.310307][  T416]  vfs_write+0xc1c/0xf40
[  353.314525][  T416]  ? slab_free_freelist_hook+0xcc/0x1a0
[  353.320044][  T416]  ? kernel_write+0x3c0/0x3c0
[  353.324745][  T416]  ? do_sys_openat2+0x397/0x470
[  353.329574][  T416]  ? __kasan_check_read+0x11/0x20
[  353.334571][  T416]  ? __fdget_pos+0x27e/0x310
[  353.339134][  T416]  ksys_write+0x198/0x2c0
[  353.343439][  T416]  ? __ia32_sys_read+0x90/0x90
[  353.348175][  T416]  ? debug_smp_processor_id+0x17/0x20
[  353.353516][  T416]  __x64_sys_write+0x7b/0x90
[  353.358085][  T416]  do_syscall_64+0x34/0x70
[  353.362480][  T416]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  353.368344][  T416] RIP: 0033:0x7efdb4cf77c9
[  353.372733][  T416] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  353.392312][  T416] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  353.400790][  T416] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  353.408736][  T416] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  353.416691][  T416] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  353.424634][  T416] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  353.432578][  T416] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000007
[  353.440623][  T416] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  353.444485][   T24] audit: type=1400 audit(1658023957.919:87): avc:  denied  { unlink } for  pid=141 comm="syslogd" name="messages.0" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[  353.508259][  T426] FAULT_INJECTION: forcing a failure.
[  353.508259][  T426] name failslab, interval 1, probability 0, space 0, times 0
[  353.520865][  T426] CPU: 0 PID: 426 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  353.531073][  T426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  353.541102][  T426] Call Trace:
[  353.544369][  T426]  dump_stack_lvl+0x1e2/0x24b
[  353.549024][  T426]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  353.554463][  T426]  ? selinux_kernfs_init_security+0x1a8/0x760
[  353.560501][  T426]  dump_stack+0x15/0x17
[  353.564670][  T426]  should_fail+0x3c0/0x510
[  353.569062][  T426]  ? __kernfs_new_node+0x99/0x6e0
[  353.574067][  T426]  __should_failslab+0x9f/0xe0
[  353.578818][  T426]  should_failslab+0x9/0x20
[  353.583292][  T426]  __kmalloc_track_caller+0x5f/0x350
[  353.588546][  T426]  kstrdup_const+0x55/0x90
[  353.592931][  T426]  __kernfs_new_node+0x99/0x6e0
[  353.597757][  T426]  ? is_module_text_address+0xe1/0x140
[  353.603190][  T426]  ? kernfs_new_node+0x170/0x170
[  353.608098][  T426]  ? ptr_to_hashval+0x60/0x60
[  353.612754][  T426]  ? snprintf+0xd6/0x120
[  353.616969][  T426]  ? __kasan_check_write+0x14/0x20
[  353.622056][  T426]  ? mutex_unlock+0x1d/0x40
[  353.626897][  T426]  kernfs_new_node+0x97/0x170
[  353.631547][  T426]  __kernfs_create_file+0x4a/0x270
[  353.636627][  T426]  cgroup_addrm_files+0xab8/0xfe0
[  353.641621][  T426]  ? ____kasan_kmalloc+0xdc/0x110
[  353.646614][  T426]  ? __kasan_kmalloc+0x9/0x10
[  353.651280][  T426]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  353.656797][  T426]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  353.662919][  T426]  ? delete_node+0x759/0x7b0
[  353.667482][  T426]  ? __kasan_check_read+0x11/0x20
[  353.672495][  T426]  ? idr_replace+0x1c4/0x230
[  353.677059][  T426]  ? idr_get_next+0x4b0/0x4b0
[  353.681704][  T426]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  353.686705][  T426]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  353.691880][  T426]  css_populate_dir+0x137/0x370
[  353.696707][  T426]  cgroup_apply_control_enable+0x8b9/0x12f0
[  353.702591][  T426]  cgroup_apply_control+0x93/0x710
[  353.707677][  T426]  ? css_next_child+0x160/0x160
[  353.712502][  T426]  ? stack_trace_save+0x12d/0x1f0
[  353.717502][  T426]  ? io_schedule+0x120/0x120
[  353.722065][  T426]  ? kernfs_fop_write_iter+0x15e/0x410
[  353.727499][  T426]  ? __kasan_check_write+0x14/0x20
[  353.732586][  T426]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  353.737845][  T426]  cgroup_subtree_control_write+0xd19/0x1310
[  353.743799][  T426]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  353.749772][  T426]  ? __kasan_check_write+0x14/0x20
[  353.754856][  T426]  ? _copy_from_iter+0x3fb/0xd60
[  353.759787][  T426]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  353.765739][  T426]  cgroup_file_write+0x28e/0x590
[  353.770649][  T426]  ? cgroup_seqfile_stop+0xc0/0xc0
[  353.775734][  T426]  ? mutex_lock+0xa6/0x110
[  353.780141][  T426]  ? mutex_trylock+0xb0/0xb0
[  353.784718][  T426]  ? __kasan_check_write+0x14/0x20
[  353.789801][  T426]  kernfs_fop_write_iter+0x2d0/0x410
[  353.799664][  T426]  ? cgroup_seqfile_stop+0xc0/0xc0
[  353.804749][  T426]  vfs_write+0xc1c/0xf40
[  353.808964][  T426]  ? slab_free_freelist_hook+0xcc/0x1a0
[  353.814498][  T426]  ? kernel_write+0x3c0/0x3c0
[  353.819145][  T426]  ? do_sys_openat2+0x397/0x470
[  353.823965][  T426]  ? __kasan_check_read+0x11/0x20
[  353.828960][  T426]  ? __fdget_pos+0x27e/0x310
[  353.833522][  T426]  ksys_write+0x198/0x2c0
[  353.837840][  T426]  ? __ia32_sys_read+0x90/0x90
[  353.842589][  T426]  ? debug_smp_processor_id+0x17/0x20
[  353.847932][  T426]  __x64_sys_write+0x7b/0x90
[  353.852509][  T426]  do_syscall_64+0x34/0x70
[  353.856896][  T426]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  353.862763][  T426] RIP: 0033:0x7efdb4cf77c9
[  353.867170][  T426] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  353.886755][  T426] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  353.895164][  T426] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  353.903117][  T426] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  353.911060][  T426] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  353.919004][  T426] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  353.927211][  T426] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000008
[  353.935316][  T426] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  353.978193][  T419] FAULT_INJECTION: forcing a failure.
[  353.978193][  T419] name failslab, interval 1, probability 0, space 0, times 0
[  353.990805][  T419] CPU: 1 PID: 419 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  354.001012][  T419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  354.011037][  T419] Call Trace:
[  354.014310][  T419]  dump_stack_lvl+0x1e2/0x24b
[  354.019051][  T419]  ? panic+0x7d7/0x7d7
[  354.023266][  T419]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  354.028697][  T419]  ? selinux_kernfs_init_security+0x1a8/0x760
[  354.034748][  T419]  dump_stack+0x15/0x17
[  354.038872][  T419]  should_fail+0x3c0/0x510
[  354.043259][  T419]  __should_failslab+0x9f/0xe0
[  354.047993][  T419]  should_failslab+0x9/0x20
[  354.052470][  T419]  kmem_cache_alloc+0x3f/0x300
[  354.057204][  T419]  ? __kernfs_new_node+0xdb/0x6e0
[  354.062197][  T419]  __kernfs_new_node+0xdb/0x6e0
[  354.067024][  T419]  ? is_module_text_address+0xe1/0x140
[  354.072451][  T419]  ? kernfs_new_node+0x170/0x170
[  354.077357][  T419]  ? ptr_to_hashval+0x60/0x60
[  354.082011][  T419]  ? arch_stack_walk+0xf8/0x140
[  354.086831][  T419]  ? snprintf+0xd6/0x120
[  354.091048][  T419]  kernfs_new_node+0x97/0x170
[  354.095701][  T419]  __kernfs_create_file+0x4a/0x270
[  354.100785][  T419]  cgroup_addrm_files+0xab8/0xfe0
[  354.105779][  T419]  ? ____kasan_kmalloc+0xdc/0x110
[  354.110772][  T419]  ? __kasan_kmalloc+0x9/0x10
[  354.115417][  T419]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  354.120932][  T419]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  354.127313][  T419]  ? delete_node+0x759/0x7b0
[  354.131874][  T419]  ? __kasan_check_read+0x11/0x20
[  354.136867][  T419]  ? delete_node+0x759/0x7b0
[  354.141431][  T419]  ? __kasan_check_write+0x14/0x20
[  354.146525][  T419]  ? idr_replace+0x1c4/0x230
[  354.151106][  T419]  ? idr_get_next+0x4b0/0x4b0
[  354.155771][  T419]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  354.160766][  T419]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  354.165939][  T419]  css_populate_dir+0x137/0x370
[  354.170766][  T419]  cgroup_apply_control_enable+0x8b9/0x12f0
[  354.176634][  T419]  cgroup_apply_control+0x93/0x710
[  354.181720][  T419]  ? css_next_child+0x160/0x160
[  354.186547][  T419]  ? io_schedule+0x120/0x120
[  354.191109][  T419]  ? kernfs_fop_write_iter+0x15e/0x410
[  354.196540][  T419]  ? __kasan_check_write+0x14/0x20
[  354.201623][  T419]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  354.206881][  T419]  cgroup_subtree_control_write+0xd19/0x1310
[  354.212836][  T419]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  354.218792][  T419]  ? __kasan_check_write+0x14/0x20
[  354.223884][  T419]  ? _copy_from_iter+0x3fb/0xd60
[  354.228801][  T419]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  354.234754][  T419]  cgroup_file_write+0x28e/0x590
[  354.239665][  T419]  ? cgroup_seqfile_stop+0xc0/0xc0
[  354.244749][  T419]  ? mutex_lock+0xa6/0x110
[  354.249139][  T419]  ? mutex_trylock+0xb0/0xb0
[  354.253704][  T419]  ? __kasan_check_write+0x14/0x20
[  354.258785][  T419]  kernfs_fop_write_iter+0x2d0/0x410
[  354.264040][  T419]  ? cgroup_seqfile_stop+0xc0/0xc0
[  354.269128][  T419]  vfs_write+0xc1c/0xf40
[  354.273343][  T419]  ? kernel_write+0x3c0/0x3c0
[  354.277993][  T419]  ? do_sys_openat2+0x397/0x470
[  354.282816][  T419]  ? __kasan_check_read+0x11/0x20
[  354.287813][  T419]  ? __fdget_pos+0x27e/0x310
[  354.292372][  T419]  ksys_write+0x198/0x2c0
[  354.296675][  T419]  ? __ia32_sys_read+0x90/0x90
[  354.301424][  T419]  ? debug_smp_processor_id+0x17/0x20
[  354.306778][  T419]  __x64_sys_write+0x7b/0x90
[  354.311356][  T419]  do_syscall_64+0x34/0x70
[  354.315762][  T419]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  354.321640][  T419] RIP: 0033:0x7efdb4cf77c9
[  354.326031][  T419] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  354.345609][  T419] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  354.353997][  T419] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  354.361949][  T419] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  354.369897][  T419] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  354.377842][  T419] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  354.385786][  T419] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000004
[  354.393821][  T419] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  354.428128][  T421] FAULT_INJECTION: forcing a failure.
[  354.428128][  T421] name failslab, interval 1, probability 0, space 0, times 0
[  354.440787][  T421] CPU: 0 PID: 421 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  354.450999][  T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  354.461029][  T421] Call Trace:
[  354.464296][  T421]  dump_stack_lvl+0x1e2/0x24b
[  354.468944][  T421]  ? panic+0x7d7/0x7d7
[  354.472984][  T421]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  354.478417][  T421]  ? selinux_kernfs_init_security+0x1a8/0x760
[  354.484456][  T421]  dump_stack+0x15/0x17
[  354.488585][  T421]  should_fail+0x3c0/0x510
[  354.492975][  T421]  __should_failslab+0x9f/0xe0
[  354.497709][  T421]  should_failslab+0x9/0x20
[  354.502196][  T421]  kmem_cache_alloc+0x3f/0x300
[  354.506950][  T421]  ? __kernfs_new_node+0xdb/0x6e0
[  354.511951][  T421]  __kernfs_new_node+0xdb/0x6e0
[  354.516794][  T421]  ? is_module_text_address+0xe1/0x140
[  354.522226][  T421]  ? kernfs_new_node+0x170/0x170
[  354.527137][  T421]  ? ptr_to_hashval+0x60/0x60
[  354.531785][  T421]  ? arch_stack_walk+0xf8/0x140
[  354.536609][  T421]  ? snprintf+0xd6/0x120
[  354.540832][  T421]  kernfs_new_node+0x97/0x170
[  354.545492][  T421]  __kernfs_create_file+0x4a/0x270
[  354.550578][  T421]  cgroup_addrm_files+0xab8/0xfe0
[  354.555574][  T421]  ? ____kasan_kmalloc+0xdc/0x110
[  354.560572][  T421]  ? __kasan_kmalloc+0x9/0x10
[  354.565220][  T421]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  354.570740][  T421]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  354.576865][  T421]  ? delete_node+0x759/0x7b0
[  354.581424][  T421]  ? __kasan_check_read+0x11/0x20
[  354.586416][  T421]  ? delete_node+0x759/0x7b0
[  354.590979][  T421]  ? __kasan_check_write+0x14/0x20
[  354.596060][  T421]  ? idr_replace+0x1c4/0x230
[  354.600622][  T421]  ? idr_get_next+0x4b0/0x4b0
[  354.605272][  T421]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  354.610265][  T421]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  354.615435][  T421]  css_populate_dir+0x137/0x370
[  354.620258][  T421]  cgroup_apply_control_enable+0x8b9/0x12f0
[  354.626469][  T421]  cgroup_apply_control+0x93/0x710
[  354.631548][  T421]  ? css_next_child+0x160/0x160
[  354.636370][  T421]  ? stack_trace_save+0x12d/0x1f0
[  354.641366][  T421]  ? io_schedule+0x120/0x120
[  354.645929][  T421]  ? kernfs_fop_write_iter+0x15e/0x410
[  354.651363][  T421]  ? __kasan_check_write+0x14/0x20
[  354.656447][  T421]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  354.661711][  T421]  cgroup_subtree_control_write+0xd19/0x1310
[  354.667772][  T421]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  354.673721][  T421]  ? __kasan_check_write+0x14/0x20
[  354.678802][  T421]  ? _copy_from_iter+0x3fb/0xd60
[  354.683711][  T421]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  354.689657][  T421]  cgroup_file_write+0x28e/0x590
[  354.694570][  T421]  ? cgroup_seqfile_stop+0xc0/0xc0
[  354.699652][  T421]  ? mutex_lock+0xa6/0x110
[  354.704037][  T421]  ? mutex_trylock+0xb0/0xb0
[  354.708596][  T421]  ? __kasan_check_write+0x14/0x20
[  354.713677][  T421]  kernfs_fop_write_iter+0x2d0/0x410
[  354.718932][  T421]  ? cgroup_seqfile_stop+0xc0/0xc0
[  354.724034][  T421]  vfs_write+0xc1c/0xf40
[  354.728246][  T421]  ? slab_free_freelist_hook+0xcc/0x1a0
[  354.733879][  T421]  ? kernel_write+0x3c0/0x3c0
[  354.738548][  T421]  ? do_sys_openat2+0x397/0x470
[  354.743378][  T421]  ? __kasan_check_read+0x11/0x20
[  354.748373][  T421]  ? __fdget_pos+0x27e/0x310
[  354.752947][  T421]  ksys_write+0x198/0x2c0
[  354.757259][  T421]  ? __ia32_sys_read+0x90/0x90
[  354.762025][  T421]  ? debug_smp_processor_id+0x17/0x20
[  354.767375][  T421]  __x64_sys_write+0x7b/0x90
[  354.771940][  T421]  do_syscall_64+0x34/0x70
[  354.776332][  T421]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  354.782199][  T421] RIP: 0033:0x7efdb4cf77c9
[  354.786600][  T421] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  354.806180][  T421] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  354.814565][  T421] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  354.822511][  T421] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  354.830453][  T421] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  354.838402][  T421] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  354.846358][  T421] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000008
[  354.854782][  T421] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  354.928145][  T420] FAULT_INJECTION: forcing a failure.
[  354.928145][  T420] name failslab, interval 1, probability 0, space 0, times 0
[  354.940930][  T420] CPU: 1 PID: 420 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  354.951150][  T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  354.961183][  T420] Call Trace:
[  354.964454][  T420]  dump_stack_lvl+0x1e2/0x24b
[  354.969348][  T420]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  354.974784][  T420]  ? selinux_kernfs_init_security+0x1a8/0x760
[  354.980829][  T420]  dump_stack+0x15/0x17
[  354.984961][  T420]  should_fail+0x3c0/0x510
[  354.989349][  T420]  ? __kernfs_new_node+0x99/0x6e0
[  354.994349][  T420]  __should_failslab+0x9f/0xe0
[  354.999087][  T420]  should_failslab+0x9/0x20
[  355.003576][  T420]  __kmalloc_track_caller+0x5f/0x350
[  355.008836][  T420]  kstrdup_const+0x55/0x90
[  355.013226][  T420]  __kernfs_new_node+0x99/0x6e0
[  355.018048][  T420]  ? is_module_text_address+0xe1/0x140
[  355.023480][  T420]  ? kernfs_new_node+0x170/0x170
[  355.028394][  T420]  ? ptr_to_hashval+0x60/0x60
[  355.033040][  T420]  ? snprintf+0xd6/0x120
[  355.037252][  T420]  ? __kasan_check_write+0x14/0x20
[  355.042333][  T420]  ? mutex_unlock+0x1d/0x40
[  355.046808][  T420]  kernfs_new_node+0x97/0x170
[  355.051452][  T420]  __kernfs_create_file+0x4a/0x270
[  355.056534][  T420]  cgroup_addrm_files+0xab8/0xfe0
[  355.061529][  T420]  ? ____kasan_kmalloc+0xdc/0x110
[  355.066520][  T420]  ? __kasan_kmalloc+0x9/0x10
[  355.071167][  T420]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  355.076683][  T420]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  355.082819][  T420]  ? delete_node+0x759/0x7b0
[  355.087383][  T420]  ? __kasan_check_read+0x11/0x20
[  355.092383][  T420]  ? idr_replace+0x1c4/0x230
[  355.096943][  T420]  ? idr_get_next+0x4b0/0x4b0
[  355.101590][  T420]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  355.106583][  T420]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  355.111765][  T420]  css_populate_dir+0x137/0x370
[  355.116585][  T420]  cgroup_apply_control_enable+0x8b9/0x12f0
[  355.122801][  T420]  cgroup_apply_control+0x93/0x710
[  355.127888][  T420]  ? css_next_child+0x160/0x160
[  355.132718][  T420]  ? stack_trace_save+0x12d/0x1f0
[  355.137712][  T420]  ? io_schedule+0x120/0x120
[  355.142286][  T420]  ? kernfs_fop_write_iter+0x15e/0x410
[  355.147736][  T420]  ? __kasan_check_write+0x14/0x20
[  355.152823][  T420]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  355.158081][  T420]  cgroup_subtree_control_write+0xd19/0x1310
[  355.164043][  T420]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  355.170003][  T420]  ? __kasan_check_write+0x14/0x20
[  355.175096][  T420]  ? _copy_from_iter+0x3fb/0xd60
[  355.180008][  T420]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  355.185957][  T420]  cgroup_file_write+0x28e/0x590
[  355.190866][  T420]  ? cgroup_seqfile_stop+0xc0/0xc0
[  355.195949][  T420]  ? mutex_lock+0xa6/0x110
[  355.200339][  T420]  ? mutex_trylock+0xb0/0xb0
[  355.204903][  T420]  ? __kasan_check_write+0x14/0x20
[  355.209985][  T420]  kernfs_fop_write_iter+0x2d0/0x410
[  355.215254][  T420]  ? cgroup_seqfile_stop+0xc0/0xc0
[  355.220395][  T420]  vfs_write+0xc1c/0xf40
[  355.224610][  T420]  ? slab_free_freelist_hook+0xcc/0x1a0
[  355.230132][  T420]  ? kernel_write+0x3c0/0x3c0
[  355.234795][  T420]  ? do_sys_openat2+0x397/0x470
[  355.239621][  T420]  ? __kasan_check_read+0x11/0x20
[  355.244616][  T420]  ? __fdget_pos+0x27e/0x310
[  355.249177][  T420]  ksys_write+0x198/0x2c0
[  355.253476][  T420]  ? __ia32_sys_read+0x90/0x90
[  355.258210][  T420]  ? debug_smp_processor_id+0x17/0x20
[  355.263817][  T420]  __x64_sys_write+0x7b/0x90
[  355.268379][  T420]  do_syscall_64+0x34/0x70
[  355.272765][  T420]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  355.278633][  T420] RIP: 0033:0x7efdb4cf77c9
[  355.283030][  T420] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  355.302653][  T420] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  355.311040][  T420] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  355.318981][  T420] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  355.326921][  T420] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  355.334864][  T420] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  355.342805][  T420] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000009
[  355.350875][  T420] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  355.398080][  T428] FAULT_INJECTION: forcing a failure.
[  355.398080][  T428] name failslab, interval 1, probability 0, space 0, times 0
[  355.410732][  T428] CPU: 0 PID: 428 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  355.420951][  T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  355.430986][  T428] Call Trace:
[  355.434257][  T428]  dump_stack_lvl+0x1e2/0x24b
[  355.438911][  T428]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  355.444349][  T428]  dump_stack+0x15/0x17
[  355.448481][  T428]  should_fail+0x3c0/0x510
[  355.452875][  T428]  __should_failslab+0x9f/0xe0
[  355.457615][  T428]  should_failslab+0x9/0x20
[  355.462093][  T428]  kmem_cache_alloc+0x3f/0x300
[  355.466834][  T428]  ? radix_tree_node_alloc+0x194/0x3c0
[  355.472267][  T428]  radix_tree_node_alloc+0x194/0x3c0
[  355.477526][  T428]  ? kernfs_new_node+0x97/0x170
[  355.482350][  T428]  ? __kernfs_create_file+0x4a/0x270
[  355.487605][  T428]  ? cgroup_addrm_files+0xab8/0xfe0
[  355.492773][  T428]  ? cgroup_apply_control_enable+0x8b9/0x12f0
[  355.498810][  T428]  idr_get_free+0x2d8/0x990
[  355.503287][  T428]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  355.509331][  T428]  idr_alloc_cyclic+0x1ef/0x5d0
[  355.514155][  T428]  ? idr_alloc+0x2f0/0x2f0
[  355.518546][  T428]  ? __kasan_check_write+0x14/0x20
[  355.523628][  T428]  ? _raw_spin_lock+0xa3/0x1b0
[  355.528364][  T428]  ? __radix_tree_preload+0x361/0x3e0
[  355.533713][  T428]  ? kmem_cache_alloc+0x1a4/0x300
[  355.538711][  T428]  __kernfs_new_node+0x124/0x6e0
[  355.543621][  T428]  ? is_module_text_address+0xe1/0x140
[  355.549068][  T428]  ? kernfs_new_node+0x170/0x170
[  355.553986][  T428]  ? ptr_to_hashval+0x60/0x60
[  355.558642][  T428]  ? arch_stack_walk+0xf8/0x140
[  355.563470][  T428]  ? snprintf+0xd6/0x120
[  355.567700][  T428]  kernfs_new_node+0x97/0x170
[  355.572360][  T428]  __kernfs_create_file+0x4a/0x270
[  355.577464][  T428]  cgroup_addrm_files+0xab8/0xfe0
[  355.582476][  T428]  ? ____kasan_kmalloc+0xdc/0x110
[  355.587484][  T428]  ? __kasan_kmalloc+0x9/0x10
[  355.592141][  T428]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  355.597660][  T428]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  355.603801][  T428]  ? delete_node+0x759/0x7b0
[  355.608379][  T428]  ? __kasan_check_read+0x11/0x20
[  355.613377][  T428]  ? delete_node+0x759/0x7b0
[  355.617944][  T428]  ? __kasan_check_write+0x14/0x20
[  355.623037][  T428]  ? idr_replace+0x1c4/0x230
[  355.627603][  T428]  ? idr_get_next+0x4b0/0x4b0
[  355.632257][  T428]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  355.637261][  T428]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  355.642443][  T428]  css_populate_dir+0x137/0x370
[  355.647278][  T428]  cgroup_apply_control_enable+0x8b9/0x12f0
[  355.653159][  T428]  cgroup_apply_control+0x93/0x710
[  355.658261][  T428]  ? css_next_child+0x160/0x160
[  355.663104][  T428]  ? stack_trace_save+0x12d/0x1f0
[  355.668107][  T428]  ? io_schedule+0x120/0x120
[  355.672673][  T428]  ? kernfs_fop_write_iter+0x15e/0x410
[  355.678107][  T428]  ? __kasan_check_write+0x14/0x20
[  355.683194][  T428]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  355.688467][  T428]  cgroup_subtree_control_write+0xd19/0x1310
[  355.694420][  T428]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  355.700374][  T428]  ? __kasan_check_write+0x14/0x20
[  355.705457][  T428]  ? _copy_from_iter+0x3fb/0xd60
[  355.710370][  T428]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  355.716334][  T428]  cgroup_file_write+0x28e/0x590
[  355.721249][  T428]  ? cgroup_seqfile_stop+0xc0/0xc0
[  355.726351][  T428]  ? mutex_lock+0xa6/0x110
[  355.730753][  T428]  ? mutex_trylock+0xb0/0xb0
[  355.735346][  T428]  ? __kasan_check_write+0x14/0x20
[  355.740440][  T428]  kernfs_fop_write_iter+0x2d0/0x410
[  355.745709][  T428]  ? cgroup_seqfile_stop+0xc0/0xc0
[  355.750814][  T428]  vfs_write+0xc1c/0xf40
[  355.755038][  T428]  ? slab_free_freelist_hook+0xcc/0x1a0
[  355.760560][  T428]  ? kernel_write+0x3c0/0x3c0
[  355.765226][  T428]  ? do_sys_openat2+0x397/0x470
[  355.770058][  T428]  ? __kasan_check_read+0x11/0x20
[  355.775068][  T428]  ? __fdget_pos+0x27e/0x310
[  355.779645][  T428]  ksys_write+0x198/0x2c0
[  355.784096][  T428]  ? __ia32_sys_read+0x90/0x90
[  355.788841][  T428]  ? debug_smp_processor_id+0x17/0x20
[  355.794194][  T428]  __x64_sys_write+0x7b/0x90
[  355.798769][  T428]  do_syscall_64+0x34/0x70
[  355.803177][  T428]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  355.809047][  T428] RIP: 0033:0x7efdb4cf77c9
[  355.813454][  T428] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  355.833035][  T428] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  355.841425][  T428] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
executing program
executing program
[  355.849371][  T428] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  355.857318][  T428] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  355.865264][  T428] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  355.873210][  T428] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000005
[  355.928504][  T427] FAULT_INJECTION: forcing a failure.
[  355.928504][  T427] name failslab, interval 1, probability 0, space 0, times 0
[  355.941172][  T427] CPU: 1 PID: 427 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  355.951493][  T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  355.961523][  T427] Call Trace:
[  355.964788][  T427]  dump_stack_lvl+0x1e2/0x24b
[  355.969439][  T427]  ? panic+0x7d7/0x7d7
[  355.973483][  T427]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  355.978927][  T427]  ? selinux_kernfs_init_security+0x1a8/0x760
[  355.984971][  T427]  dump_stack+0x15/0x17
[  355.989111][  T427]  should_fail+0x3c0/0x510
[  355.993507][  T427]  __should_failslab+0x9f/0xe0
[  355.998256][  T427]  should_failslab+0x9/0x20
[  356.002789][  T427]  kmem_cache_alloc+0x3f/0x300
[  356.007726][  T427]  ? __kernfs_new_node+0xdb/0x6e0
[  356.012767][  T427]  __kernfs_new_node+0xdb/0x6e0
[  356.017607][  T427]  ? is_module_text_address+0xe1/0x140
[  356.023060][  T427]  ? kernfs_new_node+0x170/0x170
[  356.027976][  T427]  ? ptr_to_hashval+0x60/0x60
[  356.032638][  T427]  ? arch_stack_walk+0xf8/0x140
[  356.037543][  T427]  ? snprintf+0xd6/0x120
[  356.041766][  T427]  kernfs_new_node+0x97/0x170
[  356.046425][  T427]  __kernfs_create_file+0x4a/0x270
[  356.051512][  T427]  cgroup_addrm_files+0xab8/0xfe0
[  356.056530][  T427]  ? ____kasan_kmalloc+0xdc/0x110
[  356.061534][  T427]  ? __kasan_kmalloc+0x9/0x10
[  356.066186][  T427]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  356.071708][  T427]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  356.077835][  T427]  ? delete_node+0x759/0x7b0
[  356.082398][  T427]  ? __kasan_check_read+0x11/0x20
[  356.087398][  T427]  ? delete_node+0x759/0x7b0
[  356.091971][  T427]  ? __kasan_check_write+0x14/0x20
[  356.097068][  T427]  ? idr_replace+0x1c4/0x230
[  356.101630][  T427]  ? idr_get_next+0x4b0/0x4b0
[  356.106281][  T427]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  356.111384][  T427]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  356.116576][  T427]  css_populate_dir+0x137/0x370
[  356.121404][  T427]  cgroup_apply_control_enable+0x8b9/0x12f0
[  356.127275][  T427]  cgroup_apply_control+0x93/0x710
[  356.132366][  T427]  ? css_next_child+0x160/0x160
[  356.137205][  T427]  ? stack_trace_save+0x12d/0x1f0
[  356.142203][  T427]  ? io_schedule+0x120/0x120
[  356.146775][  T427]  ? kernfs_fop_write_iter+0x15e/0x410
[  356.152224][  T427]  ? __kasan_check_write+0x14/0x20
[  356.157317][  T427]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  356.162574][  T427]  cgroup_subtree_control_write+0xd19/0x1310
[  356.168523][  T427]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  356.174477][  T427]  ? __kasan_check_write+0x14/0x20
[  356.179565][  T427]  ? _copy_from_iter+0x3fb/0xd60
[  356.184481][  T427]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  356.190450][  T427]  cgroup_file_write+0x28e/0x590
[  356.195370][  T427]  ? cgroup_seqfile_stop+0xc0/0xc0
[  356.200466][  T427]  ? mutex_lock+0xa6/0x110
[  356.204876][  T427]  ? mutex_trylock+0xb0/0xb0
[  356.209453][  T427]  ? __kasan_check_write+0x14/0x20
[  356.214540][  T427]  kernfs_fop_write_iter+0x2d0/0x410
[  356.219795][  T427]  ? cgroup_seqfile_stop+0xc0/0xc0
[  356.224875][  T427]  vfs_write+0xc1c/0xf40
[  356.229095][  T427]  ? slab_free_freelist_hook+0xcc/0x1a0
[  356.234625][  T427]  ? kernel_write+0x3c0/0x3c0
[  356.239288][  T427]  ? do_sys_openat2+0x397/0x470
[  356.244118][  T427]  ? __kasan_check_read+0x11/0x20
[  356.249118][  T427]  ? __fdget_pos+0x27e/0x310
[  356.253689][  T427]  ksys_write+0x198/0x2c0
[  356.257999][  T427]  ? __ia32_sys_read+0x90/0x90
[  356.262745][  T427]  ? debug_smp_processor_id+0x17/0x20
[  356.268097][  T427]  __x64_sys_write+0x7b/0x90
[  356.272673][  T427]  do_syscall_64+0x34/0x70
[  356.277072][  T427]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  356.282941][  T427] RIP: 0033:0x7efdb4cf77c9
[  356.287349][  T427] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  356.306951][  T427] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  356.315453][  T427] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  356.323402][  T427] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  356.331346][  T427] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  356.339378][  T427] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  356.347321][  T427] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000009
[  356.355364][  T427] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  356.398116][  T429] FAULT_INJECTION: forcing a failure.
[  356.398116][  T429] name failslab, interval 1, probability 0, space 0, times 0
[  356.410742][  T429] CPU: 0 PID: 429 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  356.420978][  T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  356.431028][  T429] Call Trace:
[  356.434300][  T429]  dump_stack_lvl+0x1e2/0x24b
[  356.438955][  T429]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  356.444388][  T429]  ? selinux_kernfs_init_security+0x1a8/0x760
[  356.450431][  T429]  dump_stack+0x15/0x17
[  356.454564][  T429]  should_fail+0x3c0/0x510
[  356.458965][  T429]  ? __kernfs_new_node+0x99/0x6e0
[  356.463982][  T429]  __should_failslab+0x9f/0xe0
[  356.468728][  T429]  should_failslab+0x9/0x20
[  356.473202][  T429]  __kmalloc_track_caller+0x5f/0x350
[  356.478473][  T429]  kstrdup_const+0x55/0x90
[  356.482865][  T429]  __kernfs_new_node+0x99/0x6e0
[  356.487689][  T429]  ? is_module_text_address+0xe1/0x140
[  356.493154][  T429]  ? kernfs_new_node+0x170/0x170
[  356.498069][  T429]  ? ptr_to_hashval+0x60/0x60
[  356.502720][  T429]  ? snprintf+0xd6/0x120
[  356.506938][  T429]  ? __kasan_check_write+0x14/0x20
[  356.512024][  T429]  ? mutex_unlock+0x1d/0x40
[  356.516502][  T429]  kernfs_new_node+0x97/0x170
[  356.521151][  T429]  __kernfs_create_file+0x4a/0x270
[  356.526236][  T429]  cgroup_addrm_files+0xab8/0xfe0
[  356.531233][  T429]  ? ____kasan_kmalloc+0xdc/0x110
[  356.536225][  T429]  ? __kasan_kmalloc+0x9/0x10
[  356.540876][  T429]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  356.546394][  T429]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  356.552518][  T429]  ? delete_node+0x759/0x7b0
[  356.557079][  T429]  ? __kasan_check_read+0x11/0x20
[  356.562076][  T429]  ? idr_replace+0x1c4/0x230
[  356.566653][  T429]  ? idr_get_next+0x4b0/0x4b0
[  356.571303][  T429]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  356.576298][  T429]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  356.581470][  T429]  css_populate_dir+0x137/0x370
[  356.586303][  T429]  cgroup_apply_control_enable+0x8b9/0x12f0
[  356.592168][  T429]  cgroup_apply_control+0x93/0x710
[  356.597251][  T429]  ? css_next_child+0x160/0x160
[  356.602074][  T429]  ? stack_trace_save+0x12d/0x1f0
[  356.607091][  T429]  ? io_schedule+0x120/0x120
[  356.611659][  T429]  ? kernfs_fop_write_iter+0x15e/0x410
[  356.617089][  T429]  ? __kasan_check_write+0x14/0x20
[  356.622173][  T429]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  356.627431][  T429]  cgroup_subtree_control_write+0xd19/0x1310
[  356.633382][  T429]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  356.639335][  T429]  ? __kasan_check_write+0x14/0x20
[  356.644500][  T429]  ? _copy_from_iter+0x3fb/0xd60
[  356.649410][  T429]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  356.655385][  T429]  cgroup_file_write+0x28e/0x590
[  356.660300][  T429]  ? cgroup_seqfile_stop+0xc0/0xc0
[  356.665381][  T429]  ? mutex_lock+0xa6/0x110
[  356.669781][  T429]  ? mutex_trylock+0xb0/0xb0
[  356.674343][  T429]  ? __kasan_check_write+0x14/0x20
[  356.679426][  T429]  kernfs_fop_write_iter+0x2d0/0x410
[  356.684691][  T429]  ? cgroup_seqfile_stop+0xc0/0xc0
[  356.689790][  T429]  vfs_write+0xc1c/0xf40
[  356.694002][  T429]  ? slab_free_freelist_hook+0xcc/0x1a0
[  356.699521][  T429]  ? kernel_write+0x3c0/0x3c0
[  356.704170][  T429]  ? do_sys_openat2+0x397/0x470
[  356.708993][  T429]  ? __kasan_check_read+0x11/0x20
[  356.713992][  T429]  ? __fdget_pos+0x27e/0x310
[  356.718554][  T429]  ksys_write+0x198/0x2c0
[  356.722855][  T429]  ? __ia32_sys_read+0x90/0x90
[  356.727589][  T429]  ? debug_smp_processor_id+0x17/0x20
[  356.732931][  T429]  __x64_sys_write+0x7b/0x90
[  356.737491][  T429]  do_syscall_64+0x34/0x70
[  356.741884][  T429]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  356.747753][  T429] RIP: 0033:0x7efdb4cf77c9
[  356.752144][  T429] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  356.771720][  T429] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  356.780119][  T429] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  356.788062][  T429] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  356.796005][  T429] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  356.803949][  T429] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  356.811895][  T429] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000009
[  356.821331][  T429] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  356.868033][  T433] FAULT_INJECTION: forcing a failure.
[  356.868033][  T433] name failslab, interval 1, probability 0, space 0, times 0
[  356.880645][  T433] CPU: 1 PID: 433 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  356.890852][  T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  356.900879][  T433] Call Trace:
[  356.904144][  T433]  dump_stack_lvl+0x1e2/0x24b
[  356.908791][  T433]  ? panic+0x7d7/0x7d7
[  356.912839][  T433]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  356.918269][  T433]  ? selinux_kernfs_init_security+0x1a8/0x760
[  356.924315][  T433]  dump_stack+0x15/0x17
[  356.928445][  T433]  should_fail+0x3c0/0x510
[  356.932837][  T433]  __should_failslab+0x9f/0xe0
[  356.937581][  T433]  should_failslab+0x9/0x20
[  356.942073][  T433]  kmem_cache_alloc+0x3f/0x300
[  356.946807][  T433]  ? __kernfs_new_node+0xdb/0x6e0
[  356.951802][  T433]  __kernfs_new_node+0xdb/0x6e0
[  356.956622][  T433]  ? is_module_text_address+0xe1/0x140
[  356.962073][  T433]  ? kernfs_new_node+0x170/0x170
[  356.966991][  T433]  ? ptr_to_hashval+0x60/0x60
[  356.971640][  T433]  ? arch_stack_walk+0xf8/0x140
[  356.976470][  T433]  ? snprintf+0xd6/0x120
[  356.980688][  T433]  kernfs_new_node+0x97/0x170
[  356.985338][  T433]  __kernfs_create_file+0x4a/0x270
[  356.990424][  T433]  cgroup_addrm_files+0xab8/0xfe0
[  356.995420][  T433]  ? ____kasan_kmalloc+0xdc/0x110
[  357.000413][  T433]  ? __kasan_kmalloc+0x9/0x10
[  357.005062][  T433]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  357.010583][  T433]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  357.016714][  T433]  ? delete_node+0x759/0x7b0
[  357.021280][  T433]  ? __kasan_check_read+0x11/0x20
[  357.026276][  T433]  ? delete_node+0x759/0x7b0
[  357.030839][  T433]  ? __kasan_check_write+0x14/0x20
[  357.035930][  T433]  ? idr_replace+0x1c4/0x230
[  357.040489][  T433]  ? idr_get_next+0x4b0/0x4b0
[  357.045137][  T433]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  357.050131][  T433]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  357.055301][  T433]  css_populate_dir+0x137/0x370
[  357.060123][  T433]  cgroup_apply_control_enable+0x8b9/0x12f0
[  357.065987][  T433]  cgroup_apply_control+0x93/0x710
[  357.071074][  T433]  ? css_next_child+0x160/0x160
[  357.075911][  T433]  ? stack_trace_save+0x12d/0x1f0
[  357.080904][  T433]  ? io_schedule+0x120/0x120
[  357.085464][  T433]  ? kernfs_fop_write_iter+0x15e/0x410
[  357.090981][  T433]  ? __kasan_check_write+0x14/0x20
[  357.096086][  T433]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  357.101343][  T433]  cgroup_subtree_control_write+0xd19/0x1310
[  357.107294][  T433]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  357.113244][  T433]  ? __kasan_check_write+0x14/0x20
[  357.118324][  T433]  ? _copy_from_iter+0x3fb/0xd60
[  357.123232][  T433]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  357.129186][  T433]  cgroup_file_write+0x28e/0x590
[  357.134097][  T433]  ? cgroup_seqfile_stop+0xc0/0xc0
[  357.139180][  T433]  ? mutex_lock+0xa6/0x110
[  357.143566][  T433]  ? mutex_trylock+0xb0/0xb0
[  357.148129][  T433]  ? __kasan_check_write+0x14/0x20
[  357.153223][  T433]  kernfs_fop_write_iter+0x2d0/0x410
[  357.158485][  T433]  ? cgroup_seqfile_stop+0xc0/0xc0
[  357.163565][  T433]  vfs_write+0xc1c/0xf40
[  357.167783][  T433]  ? slab_free_freelist_hook+0xcc/0x1a0
[  357.173302][  T433]  ? kernel_write+0x3c0/0x3c0
[  357.177950][  T433]  ? do_sys_openat2+0x397/0x470
[  357.182784][  T433]  ? __kasan_check_read+0x11/0x20
[  357.187885][  T433]  ? __fdget_pos+0x27e/0x310
[  357.192447][  T433]  ksys_write+0x198/0x2c0
[  357.196751][  T433]  ? __ia32_sys_read+0x90/0x90
[  357.201490][  T433]  ? debug_smp_processor_id+0x17/0x20
[  357.206839][  T433]  __x64_sys_write+0x7b/0x90
[  357.211421][  T433]  do_syscall_64+0x34/0x70
[  357.215912][  T433]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  357.221775][  T433] RIP: 0033:0x7efdb4cf77c9
[  357.226163][  T433] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  357.245739][  T433] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  357.254120][  T433] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  357.262063][  T433] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  357.270023][  T433] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  357.277973][  T433] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  357.285928][  T433] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000b
[  357.294108][  T433] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  357.338150][  T436] FAULT_INJECTION: forcing a failure.
[  357.338150][  T436] name failslab, interval 1, probability 0, space 0, times 0
[  357.350806][  T436] CPU: 0 PID: 436 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  357.361013][  T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  357.371042][  T436] Call Trace:
[  357.374310][  T436]  dump_stack_lvl+0x1e2/0x24b
[  357.378954][  T436]  ? panic+0x7d7/0x7d7
[  357.382998][  T436]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  357.388437][  T436]  ? selinux_kernfs_init_security+0x1a8/0x760
[  357.394488][  T436]  dump_stack+0x15/0x17
[  357.398613][  T436]  should_fail+0x3c0/0x510
[  357.402999][  T436]  __should_failslab+0x9f/0xe0
[  357.407742][  T436]  should_failslab+0x9/0x20
[  357.412266][  T436]  kmem_cache_alloc+0x3f/0x300
[  357.417003][  T436]  ? __kernfs_new_node+0xdb/0x6e0
[  357.422011][  T436]  __kernfs_new_node+0xdb/0x6e0
[  357.426832][  T436]  ? is_module_text_address+0xe1/0x140
[  357.432259][  T436]  ? kernfs_new_node+0x170/0x170
[  357.437164][  T436]  ? ptr_to_hashval+0x60/0x60
[  357.441811][  T436]  ? arch_stack_walk+0xf8/0x140
[  357.446630][  T436]  ? snprintf+0xd6/0x120
[  357.450846][  T436]  kernfs_new_node+0x97/0x170
[  357.455508][  T436]  __kernfs_create_file+0x4a/0x270
[  357.460591][  T436]  cgroup_addrm_files+0xab8/0xfe0
[  357.465582][  T436]  ? ____kasan_kmalloc+0xdc/0x110
[  357.470574][  T436]  ? __kasan_kmalloc+0x9/0x10
[  357.475221][  T436]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  357.480749][  T436]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  357.486887][  T436]  ? delete_node+0x759/0x7b0
[  357.491450][  T436]  ? __kasan_check_read+0x11/0x20
[  357.496455][  T436]  ? delete_node+0x759/0x7b0
[  357.501018][  T436]  ? __kasan_check_write+0x14/0x20
[  357.506098][  T436]  ? idr_replace+0x1c4/0x230
[  357.510657][  T436]  ? idr_get_next+0x4b0/0x4b0
[  357.515301][  T436]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  357.520298][  T436]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  357.525466][  T436]  css_populate_dir+0x137/0x370
[  357.530287][  T436]  cgroup_apply_control_enable+0x8b9/0x12f0
[  357.536156][  T436]  cgroup_apply_control+0x93/0x710
[  357.541250][  T436]  ? css_next_child+0x160/0x160
[  357.546068][  T436]  ? stack_trace_save+0x12d/0x1f0
[  357.551061][  T436]  ? io_schedule+0x120/0x120
[  357.555622][  T436]  ? kernfs_fop_write_iter+0x15e/0x410
[  357.561063][  T436]  ? __kasan_check_write+0x14/0x20
[  357.566147][  T436]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  357.571406][  T436]  cgroup_subtree_control_write+0xd19/0x1310
[  357.577357][  T436]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  357.583306][  T436]  ? __kasan_check_write+0x14/0x20
[  357.588383][  T436]  ? _copy_from_iter+0x3fb/0xd60
[  357.593288][  T436]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  357.599236][  T436]  cgroup_file_write+0x28e/0x590
[  357.604143][  T436]  ? cgroup_seqfile_stop+0xc0/0xc0
[  357.609225][  T436]  ? mutex_lock+0xa6/0x110
[  357.613611][  T436]  ? mutex_trylock+0xb0/0xb0
[  357.618175][  T436]  ? __kasan_check_write+0x14/0x20
[  357.623257][  T436]  kernfs_fop_write_iter+0x2d0/0x410
[  357.628525][  T436]  ? cgroup_seqfile_stop+0xc0/0xc0
[  357.633608][  T436]  vfs_write+0xc1c/0xf40
[  357.637817][  T436]  ? slab_free_freelist_hook+0xcc/0x1a0
[  357.643333][  T436]  ? kernel_write+0x3c0/0x3c0
[  357.647991][  T436]  ? do_sys_openat2+0x397/0x470
[  357.652815][  T436]  ? __kasan_check_read+0x11/0x20
[  357.657813][  T436]  ? __fdget_pos+0x27e/0x310
[  357.662375][  T436]  ksys_write+0x198/0x2c0
[  357.666676][  T436]  ? __ia32_sys_read+0x90/0x90
[  357.671410][  T436]  ? debug_smp_processor_id+0x17/0x20
[  357.676757][  T436]  __x64_sys_write+0x7b/0x90
[  357.681326][  T436]  do_syscall_64+0x34/0x70
[  357.685713][  T436]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  357.691574][  T436] RIP: 0033:0x7efdb4cf77c9
[  357.695958][  T436] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  357.715542][  T436] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  357.723924][  T436] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  357.731868][  T436] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  357.739808][  T436] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  357.747756][  T436] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  357.755700][  T436] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000c
[  357.763776][  T436] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  357.808258][  T434] FAULT_INJECTION: forcing a failure.
[  357.808258][  T434] name failslab, interval 1, probability 0, space 0, times 0
[  357.820878][  T434] CPU: 1 PID: 434 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  357.831091][  T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  357.841119][  T434] Call Trace:
[  357.844416][  T434]  dump_stack_lvl+0x1e2/0x24b
[  357.849069][  T434]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  357.854502][  T434]  ? selinux_kernfs_init_security+0x1a8/0x760
[  357.860543][  T434]  dump_stack+0x15/0x17
[  357.864673][  T434]  should_fail+0x3c0/0x510
[  357.869062][  T434]  ? __kernfs_new_node+0x99/0x6e0
[  357.874069][  T434]  __should_failslab+0x9f/0xe0
[  357.878806][  T434]  should_failslab+0x9/0x20
[  357.883284][  T434]  __kmalloc_track_caller+0x5f/0x350
[  357.888547][  T434]  kstrdup_const+0x55/0x90
[  357.892935][  T434]  __kernfs_new_node+0x99/0x6e0
[  357.897760][  T434]  ? is_module_text_address+0xe1/0x140
[  357.903190][  T434]  ? kernfs_new_node+0x170/0x170
[  357.908098][  T434]  ? ptr_to_hashval+0x60/0x60
[  357.912751][  T434]  ? snprintf+0xd6/0x120
[  357.916966][  T434]  ? __kasan_check_write+0x14/0x20
[  357.922065][  T434]  ? mutex_unlock+0x1d/0x40
[  357.926561][  T434]  kernfs_new_node+0x97/0x170
[  357.931219][  T434]  __kernfs_create_file+0x4a/0x270
[  357.936306][  T434]  cgroup_addrm_files+0xab8/0xfe0
[  357.941318][  T434]  ? ____kasan_kmalloc+0xdc/0x110
[  357.946319][  T434]  ? __kasan_kmalloc+0x9/0x10
[  357.950968][  T434]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  357.956499][  T434]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  357.962736][  T434]  ? delete_node+0x759/0x7b0
[  357.967306][  T434]  ? __kasan_check_read+0x11/0x20
[  357.972308][  T434]  ? idr_replace+0x1c4/0x230
[  357.976984][  T434]  ? idr_get_next+0x4b0/0x4b0
[  357.981640][  T434]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  357.986650][  T434]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  357.991830][  T434]  css_populate_dir+0x137/0x370
[  357.996659][  T434]  cgroup_apply_control_enable+0x8b9/0x12f0
[  358.002536][  T434]  cgroup_apply_control+0x93/0x710
[  358.007648][  T434]  ? css_next_child+0x160/0x160
[  358.012479][  T434]  ? io_schedule+0x120/0x120
[  358.017049][  T434]  ? kernfs_fop_write_iter+0x15e/0x410
[  358.022490][  T434]  ? __kasan_check_write+0x14/0x20
[  358.027579][  T434]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  358.032838][  T434]  cgroup_subtree_control_write+0xd19/0x1310
[  358.038797][  T434]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  358.044754][  T434]  ? __kasan_check_write+0x14/0x20
[  358.049842][  T434]  ? _copy_from_iter+0x3fb/0xd60
[  358.054759][  T434]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  358.060711][  T434]  cgroup_file_write+0x28e/0x590
[  358.065623][  T434]  ? cgroup_seqfile_stop+0xc0/0xc0
[  358.070707][  T434]  ? mutex_lock+0xa6/0x110
[  358.075096][  T434]  ? mutex_trylock+0xb0/0xb0
[  358.079661][  T434]  ? __kasan_check_write+0x14/0x20
[  358.084748][  T434]  kernfs_fop_write_iter+0x2d0/0x410
[  358.090006][  T434]  ? cgroup_seqfile_stop+0xc0/0xc0
[  358.095091][  T434]  vfs_write+0xc1c/0xf40
[  358.099308][  T434]  ? kernel_write+0x3c0/0x3c0
[  358.103958][  T434]  ? do_sys_openat2+0x397/0x470
[  358.108784][  T434]  ? __kasan_check_read+0x11/0x20
[  358.113798][  T434]  ? __fdget_pos+0x27e/0x310
[  358.118377][  T434]  ksys_write+0x198/0x2c0
[  358.122694][  T434]  ? __kasan_check_write+0x14/0x20
[  358.127782][  T434]  ? __ia32_sys_read+0x90/0x90
[  358.132544][  T434]  ? debug_smp_processor_id+0x17/0x20
[  358.137915][  T434]  __x64_sys_write+0x7b/0x90
[  358.142529][  T434]  do_syscall_64+0x34/0x70
[  358.146922][  T434]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  358.152965][  T434] RIP: 0033:0x7efdb4cf77c9
[  358.157360][  T434] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  358.177482][  T434] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  358.185880][  T434] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  358.193842][  T434] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  358.201789][  T434] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  358.209734][  T434] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  358.217682][  T434] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000a
[  358.225747][  T434] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  358.268133][  T425] FAULT_INJECTION: forcing a failure.
[  358.268133][  T425] name failslab, interval 1, probability 0, space 0, times 0
[  358.280774][  T425] CPU: 0 PID: 425 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  358.290979][  T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  358.301013][  T425] Call Trace:
[  358.304287][  T425]  dump_stack_lvl+0x1e2/0x24b
[  358.309023][  T425]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  358.314545][  T425]  ? selinux_kernfs_init_security+0x1a8/0x760
[  358.320646][  T425]  dump_stack+0x15/0x17
[  358.324781][  T425]  should_fail+0x3c0/0x510
[  358.329177][  T425]  ? __kernfs_new_node+0x99/0x6e0
[  358.334173][  T425]  __should_failslab+0x9f/0xe0
[  358.338913][  T425]  should_failslab+0x9/0x20
[  358.343390][  T425]  __kmalloc_track_caller+0x5f/0x350
[  358.348647][  T425]  kstrdup_const+0x55/0x90
[  358.353035][  T425]  __kernfs_new_node+0x99/0x6e0
[  358.357867][  T425]  ? is_module_text_address+0xe1/0x140
[  358.363317][  T425]  ? kernfs_new_node+0x170/0x170
[  358.368231][  T425]  ? ptr_to_hashval+0x60/0x60
[  358.372969][  T425]  ? snprintf+0xd6/0x120
[  358.377187][  T425]  ? __kasan_check_write+0x14/0x20
[  358.382269][  T425]  ? mutex_unlock+0x1d/0x40
[  358.386753][  T425]  kernfs_new_node+0x97/0x170
[  358.391407][  T425]  __kernfs_create_file+0x4a/0x270
[  358.396523][  T425]  cgroup_addrm_files+0xab8/0xfe0
[  358.401536][  T425]  ? ____kasan_kmalloc+0xdc/0x110
[  358.406534][  T425]  ? __kasan_kmalloc+0x9/0x10
[  358.411197][  T425]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  358.416733][  T425]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  358.422863][  T425]  ? delete_node+0x759/0x7b0
[  358.427433][  T425]  ? __kasan_check_read+0x11/0x20
[  358.432436][  T425]  ? idr_replace+0x1c4/0x230
[  358.436999][  T425]  ? idr_get_next+0x4b0/0x4b0
[  358.441646][  T425]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  358.446642][  T425]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  358.451811][  T425]  css_populate_dir+0x137/0x370
[  358.456633][  T425]  cgroup_apply_control_enable+0x8b9/0x12f0
[  358.462501][  T425]  cgroup_apply_control+0x93/0x710
[  358.467582][  T425]  ? css_next_child+0x160/0x160
[  358.472449][  T425]  ? stack_trace_save+0x12d/0x1f0
[  358.477443][  T425]  ? io_schedule+0x120/0x120
[  358.482003][  T425]  ? kernfs_fop_write_iter+0x15e/0x410
[  358.487437][  T425]  ? __kasan_check_write+0x14/0x20
[  358.492520][  T425]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  358.497775][  T425]  cgroup_subtree_control_write+0xd19/0x1310
[  358.503872][  T425]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  358.509833][  T425]  ? __kasan_check_write+0x14/0x20
[  358.514917][  T425]  ? _copy_from_iter+0x3fb/0xd60
[  358.519827][  T425]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  358.525779][  T425]  cgroup_file_write+0x28e/0x590
[  358.530776][  T425]  ? cgroup_seqfile_stop+0xc0/0xc0
[  358.535858][  T425]  ? mutex_lock+0xa6/0x110
[  358.540249][  T425]  ? mutex_trylock+0xb0/0xb0
[  358.544811][  T425]  ? __kasan_check_write+0x14/0x20
[  358.549893][  T425]  kernfs_fop_write_iter+0x2d0/0x410
[  358.555148][  T425]  ? cgroup_seqfile_stop+0xc0/0xc0
[  358.560229][  T425]  vfs_write+0xc1c/0xf40
[  358.564440][  T425]  ? slab_free_freelist_hook+0xcc/0x1a0
[  358.569954][  T425]  ? kernel_write+0x3c0/0x3c0
[  358.574599][  T425]  ? do_sys_openat2+0x397/0x470
[  358.579423][  T425]  ? __kasan_check_read+0x11/0x20
[  358.584417][  T425]  ? __fdget_pos+0x27e/0x310
[  358.588979][  T425]  ksys_write+0x198/0x2c0
[  358.593279][  T425]  ? __ia32_sys_read+0x90/0x90
[  358.598021][  T425]  ? debug_smp_processor_id+0x17/0x20
[  358.603361][  T425]  __x64_sys_write+0x7b/0x90
[  358.607923][  T425]  do_syscall_64+0x34/0x70
[  358.612330][  T425]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  358.618208][  T425] RIP: 0033:0x7efdb4cf77c9
[  358.622595][  T425] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  358.642170][  T425] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  358.650556][  T425] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  358.658499][  T425] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
executing program
[  358.666442][  T425] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  358.674386][  T425] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  358.682332][  T425] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000007
[  358.690363][  T425] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  358.808220][  T435] FAULT_INJECTION: forcing a failure.
[  358.808220][  T435] name failslab, interval 1, probability 0, space 0, times 0
[  358.820889][  T435] CPU: 0 PID: 435 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  358.831108][  T435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  358.841133][  T435] Call Trace:
[  358.844402][  T435]  dump_stack_lvl+0x1e2/0x24b
[  358.849073][  T435]  ? panic+0x7d7/0x7d7
[  358.853116][  T435]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  358.858559][  T435]  ? selinux_kernfs_init_security+0x1a8/0x760
[  358.864597][  T435]  dump_stack+0x15/0x17
[  358.868732][  T435]  should_fail+0x3c0/0x510
[  358.873149][  T435]  __should_failslab+0x9f/0xe0
[  358.877972][  T435]  should_failslab+0x9/0x20
[  358.882447][  T435]  kmem_cache_alloc+0x3f/0x300
[  358.887183][  T435]  ? __kernfs_new_node+0xdb/0x6e0
[  358.892185][  T435]  __kernfs_new_node+0xdb/0x6e0
[  358.897009][  T435]  ? is_module_text_address+0xe1/0x140
[  358.902439][  T435]  ? kernfs_new_node+0x170/0x170
[  358.907363][  T435]  ? ptr_to_hashval+0x60/0x60
[  358.912016][  T435]  ? arch_stack_walk+0xf8/0x140
[  358.916837][  T435]  ? snprintf+0xd6/0x120
[  358.921049][  T435]  kernfs_new_node+0x97/0x170
[  358.925698][  T435]  __kernfs_create_file+0x4a/0x270
[  358.930782][  T435]  cgroup_addrm_files+0xab8/0xfe0
[  358.935789][  T435]  ? ____kasan_kmalloc+0xdc/0x110
[  358.940787][  T435]  ? __kasan_kmalloc+0x9/0x10
[  358.945445][  T435]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  358.950979][  T435]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  358.957107][  T435]  ? delete_node+0x759/0x7b0
[  358.961675][  T435]  ? __kasan_check_read+0x11/0x20
[  358.966672][  T435]  ? delete_node+0x759/0x7b0
[  358.971239][  T435]  ? __kasan_check_write+0x14/0x20
[  358.976325][  T435]  ? idr_replace+0x1c4/0x230
[  358.980906][  T435]  ? idr_get_next+0x4b0/0x4b0
[  358.985559][  T435]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  358.990564][  T435]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  358.995746][  T435]  css_populate_dir+0x137/0x370
[  359.000566][  T435]  cgroup_apply_control_enable+0x8b9/0x12f0
[  359.006436][  T435]  cgroup_apply_control+0x93/0x710
[  359.011522][  T435]  ? css_next_child+0x160/0x160
[  359.016346][  T435]  ? io_schedule+0x120/0x120
[  359.020913][  T435]  ? kernfs_fop_write_iter+0x15e/0x410
[  359.026353][  T435]  ? __kasan_check_write+0x14/0x20
[  359.031437][  T435]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  359.036693][  T435]  cgroup_subtree_control_write+0xd19/0x1310
[  359.042648][  T435]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  359.048606][  T435]  ? __kasan_check_write+0x14/0x20
[  359.053689][  T435]  ? _copy_from_iter+0x3fb/0xd60
[  359.058596][  T435]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  359.064544][  T435]  cgroup_file_write+0x28e/0x590
[  359.069453][  T435]  ? cgroup_seqfile_stop+0xc0/0xc0
[  359.074534][  T435]  ? mutex_lock+0xa6/0x110
[  359.078923][  T435]  ? mutex_trylock+0xb0/0xb0
[  359.083487][  T435]  ? __kasan_check_write+0x14/0x20
[  359.088571][  T435]  kernfs_fop_write_iter+0x2d0/0x410
[  359.093830][  T435]  ? cgroup_seqfile_stop+0xc0/0xc0
[  359.098923][  T435]  vfs_write+0xc1c/0xf40
[  359.103140][  T435]  ? kernel_write+0x3c0/0x3c0
[  359.107792][  T435]  ? do_sys_openat2+0x397/0x470
[  359.112629][  T435]  ? __kasan_check_read+0x11/0x20
[  359.117626][  T435]  ? __fdget_pos+0x27e/0x310
[  359.122189][  T435]  ksys_write+0x198/0x2c0
[  359.126503][  T435]  ? __ia32_sys_read+0x90/0x90
[  359.131240][  T435]  ? debug_smp_processor_id+0x17/0x20
[  359.136591][  T435]  __x64_sys_write+0x7b/0x90
[  359.141160][  T435]  do_syscall_64+0x34/0x70
[  359.145548][  T435]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  359.151430][  T435] RIP: 0033:0x7efdb4cf77c9
[  359.155820][  T435] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  359.175397][  T435] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  359.183783][  T435] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  359.191725][  T435] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  359.199675][  T435] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  359.207626][  T435] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  359.215575][  T435] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000a
[  359.223595][  T435] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  359.288255][  T432] FAULT_INJECTION: forcing a failure.
[  359.288255][  T432] name failslab, interval 1, probability 0, space 0, times 0
[  359.301067][  T432] CPU: 0 PID: 432 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  359.311279][  T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  359.321318][  T432] Call Trace:
[  359.324589][  T432]  dump_stack_lvl+0x1e2/0x24b
[  359.329244][  T432]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  359.334676][  T432]  ? selinux_kernfs_init_security+0x1a8/0x760
[  359.340723][  T432]  dump_stack+0x15/0x17
[  359.344855][  T432]  should_fail+0x3c0/0x510
[  359.349245][  T432]  ? __kernfs_new_node+0x99/0x6e0
[  359.354242][  T432]  __should_failslab+0x9f/0xe0
[  359.358978][  T432]  should_failslab+0x9/0x20
[  359.363468][  T432]  __kmalloc_track_caller+0x5f/0x350
[  359.368727][  T432]  kstrdup_const+0x55/0x90
[  359.373113][  T432]  __kernfs_new_node+0x99/0x6e0
[  359.377944][  T432]  ? is_module_text_address+0xe1/0x140
[  359.383379][  T432]  ? kernfs_new_node+0x170/0x170
[  359.388297][  T432]  ? ptr_to_hashval+0x60/0x60
[  359.392950][  T432]  ? snprintf+0xd6/0x120
[  359.397172][  T432]  ? __kasan_check_write+0x14/0x20
[  359.402267][  T432]  ? mutex_unlock+0x1d/0x40
[  359.406763][  T432]  kernfs_new_node+0x97/0x170
[  359.411511][  T432]  __kernfs_create_file+0x4a/0x270
[  359.416602][  T432]  cgroup_addrm_files+0xab8/0xfe0
[  359.421602][  T432]  ? ____kasan_kmalloc+0xdc/0x110
[  359.426606][  T432]  ? __kasan_kmalloc+0x9/0x10
[  359.431272][  T432]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  359.436828][  T432]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  359.442962][  T432]  ? delete_node+0x759/0x7b0
[  359.447544][  T432]  ? __kasan_check_read+0x11/0x20
[  359.452544][  T432]  ? idr_replace+0x1c4/0x230
[  359.457107][  T432]  ? idr_get_next+0x4b0/0x4b0
[  359.461757][  T432]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  359.466774][  T432]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  359.471950][  T432]  css_populate_dir+0x137/0x370
[  359.476784][  T432]  cgroup_apply_control_enable+0x8b9/0x12f0
[  359.482655][  T432]  cgroup_apply_control+0x93/0x710
[  359.487740][  T432]  ? css_next_child+0x160/0x160
[  359.492566][  T432]  ? stack_trace_save+0x12d/0x1f0
[  359.497561][  T432]  ? io_schedule+0x120/0x120
[  359.502124][  T432]  ? kernfs_fop_write_iter+0x15e/0x410
[  359.507554][  T432]  ? __kasan_check_write+0x14/0x20
[  359.512634][  T432]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  359.517900][  T432]  cgroup_subtree_control_write+0xd19/0x1310
[  359.523852][  T432]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  359.529809][  T432]  ? __kasan_check_write+0x14/0x20
[  359.534906][  T432]  ? _copy_from_iter+0x3fb/0xd60
[  359.539814][  T432]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  359.545763][  T432]  cgroup_file_write+0x28e/0x590
[  359.550673][  T432]  ? cgroup_seqfile_stop+0xc0/0xc0
[  359.555753][  T432]  ? mutex_lock+0xa6/0x110
[  359.560138][  T432]  ? mutex_trylock+0xb0/0xb0
[  359.564702][  T432]  ? __kasan_check_write+0x14/0x20
[  359.569787][  T432]  kernfs_fop_write_iter+0x2d0/0x410
[  359.575042][  T432]  ? cgroup_seqfile_stop+0xc0/0xc0
[  359.580135][  T432]  vfs_write+0xc1c/0xf40
[  359.584371][  T432]  ? slab_free_freelist_hook+0xcc/0x1a0
[  359.589909][  T432]  ? kernel_write+0x3c0/0x3c0
[  359.594564][  T432]  ? do_sys_openat2+0x397/0x470
[  359.599388][  T432]  ? __kasan_check_read+0x11/0x20
[  359.604382][  T432]  ? __fdget_pos+0x27e/0x310
[  359.608943][  T432]  ksys_write+0x198/0x2c0
[  359.613242][  T432]  ? __ia32_sys_read+0x90/0x90
[  359.617979][  T432]  ? debug_smp_processor_id+0x17/0x20
[  359.623323][  T432]  __x64_sys_write+0x7b/0x90
[  359.627913][  T432]  do_syscall_64+0x34/0x70
[  359.632302][  T432]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  359.638164][  T432] RIP: 0033:0x7efdb4cf77c9
[  359.642550][  T432] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  359.662133][  T432] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  359.670540][  T432] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  359.678497][  T432] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  359.686533][  T432] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  359.694484][  T432] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  359.702429][  T432] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000007
[  359.710488][  T432] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  359.758202][  T438] FAULT_INJECTION: forcing a failure.
[  359.758202][  T438] name failslab, interval 1, probability 0, space 0, times 0
[  359.770877][  T438] CPU: 1 PID: 438 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  359.781095][  T438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  359.791123][  T438] Call Trace:
[  359.794389][  T438]  dump_stack_lvl+0x1e2/0x24b
[  359.799040][  T438]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  359.804469][  T438]  ? selinux_kernfs_init_security+0x1a8/0x760
[  359.810520][  T438]  dump_stack+0x15/0x17
[  359.814646][  T438]  should_fail+0x3c0/0x510
[  359.819031][  T438]  ? __kernfs_new_node+0x99/0x6e0
[  359.824024][  T438]  __should_failslab+0x9f/0xe0
[  359.828762][  T438]  should_failslab+0x9/0x20
[  359.833248][  T438]  __kmalloc_track_caller+0x5f/0x350
[  359.838508][  T438]  kstrdup_const+0x55/0x90
[  359.842893][  T438]  __kernfs_new_node+0x99/0x6e0
[  359.847718][  T438]  ? is_module_text_address+0xe1/0x140
[  359.853313][  T438]  ? kernfs_new_node+0x170/0x170
[  359.858231][  T438]  ? ptr_to_hashval+0x60/0x60
[  359.862889][  T438]  ? snprintf+0xd6/0x120
[  359.867107][  T438]  ? __kasan_check_write+0x14/0x20
[  359.872195][  T438]  ? mutex_unlock+0x1d/0x40
[  359.876679][  T438]  kernfs_new_node+0x97/0x170
[  359.881330][  T438]  __kernfs_create_file+0x4a/0x270
[  359.886417][  T438]  cgroup_addrm_files+0xab8/0xfe0
[  359.891426][  T438]  ? ____kasan_kmalloc+0xdc/0x110
[  359.896429][  T438]  ? __kasan_kmalloc+0x9/0x10
[  359.901135][  T438]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  359.906661][  T438]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  359.912788][  T438]  ? delete_node+0x759/0x7b0
[  359.917360][  T438]  ? __kasan_check_read+0x11/0x20
[  359.922374][  T438]  ? idr_replace+0x1c4/0x230
[  359.926935][  T438]  ? idr_get_next+0x4b0/0x4b0
[  359.931595][  T438]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  359.936604][  T438]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  359.941784][  T438]  css_populate_dir+0x137/0x370
[  359.946786][  T438]  cgroup_apply_control_enable+0x8b9/0x12f0
[  359.952656][  T438]  cgroup_apply_control+0x93/0x710
[  359.957867][  T438]  ? css_next_child+0x160/0x160
[  359.962703][  T438]  ? stack_trace_save+0x12d/0x1f0
[  359.967753][  T438]  ? io_schedule+0x120/0x120
[  359.972333][  T438]  ? kernfs_fop_write_iter+0x15e/0x410
[  359.977804][  T438]  ? __kasan_check_write+0x14/0x20
[  359.982914][  T438]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  359.988177][  T438]  cgroup_subtree_control_write+0xd19/0x1310
[  359.994136][  T438]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  360.000093][  T438]  ? __kasan_check_write+0x14/0x20
[  360.005191][  T438]  ? _copy_from_iter+0x3fb/0xd60
[  360.010121][  T438]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  360.016138][  T438]  cgroup_file_write+0x28e/0x590
[  360.021092][  T438]  ? cgroup_seqfile_stop+0xc0/0xc0
[  360.026178][  T438]  ? mutex_lock+0xa6/0x110
[  360.030570][  T438]  ? mutex_trylock+0xb0/0xb0
[  360.035144][  T438]  ? __kasan_check_write+0x14/0x20
[  360.040230][  T438]  kernfs_fop_write_iter+0x2d0/0x410
[  360.045493][  T438]  ? cgroup_seqfile_stop+0xc0/0xc0
[  360.050584][  T438]  vfs_write+0xc1c/0xf40
[  360.054805][  T438]  ? slab_free_freelist_hook+0xcc/0x1a0
[  360.060337][  T438]  ? kernel_write+0x3c0/0x3c0
[  360.064998][  T438]  ? do_sys_openat2+0x397/0x470
[  360.069827][  T438]  ? __kasan_check_read+0x11/0x20
[  360.074831][  T438]  ? __fdget_pos+0x27e/0x310
[  360.079412][  T438]  ksys_write+0x198/0x2c0
[  360.083716][  T438]  ? __ia32_sys_read+0x90/0x90
[  360.088456][  T438]  ? debug_smp_processor_id+0x17/0x20
[  360.093810][  T438]  __x64_sys_write+0x7b/0x90
[  360.098396][  T438]  do_syscall_64+0x34/0x70
[  360.102787][  T438]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  360.108652][  T438] RIP: 0033:0x7efdb4cf77c9
[  360.113055][  T438] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  360.133715][  T438] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  360.142115][  T438] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  360.150077][  T438] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  360.158072][  T438] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  360.166021][  T438] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  360.174065][  T438] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000b
[  360.182130][  T438] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  360.238299][  T442] FAULT_INJECTION: forcing a failure.
[  360.238299][  T442] name failslab, interval 1, probability 0, space 0, times 0
[  360.250951][  T442] CPU: 1 PID: 442 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  360.261154][  T442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  360.271179][  T442] Call Trace:
[  360.274446][  T442]  dump_stack_lvl+0x1e2/0x24b
[  360.279092][  T442]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  360.284522][  T442]  ? selinux_kernfs_init_security+0x1a8/0x760
[  360.290565][  T442]  dump_stack+0x15/0x17
[  360.294696][  T442]  should_fail+0x3c0/0x510
[  360.299096][  T442]  ? __kernfs_new_node+0x99/0x6e0
[  360.304089][  T442]  __should_failslab+0x9f/0xe0
[  360.308826][  T442]  should_failslab+0x9/0x20
[  360.313424][  T442]  __kmalloc_track_caller+0x5f/0x350
[  360.318695][  T442]  kstrdup_const+0x55/0x90
[  360.323087][  T442]  __kernfs_new_node+0x99/0x6e0
[  360.327915][  T442]  ? is_module_text_address+0xe1/0x140
[  360.333372][  T442]  ? kernfs_new_node+0x170/0x170
[  360.338289][  T442]  ? ptr_to_hashval+0x60/0x60
[  360.342952][  T442]  ? snprintf+0xd6/0x120
[  360.347186][  T442]  ? __kasan_check_write+0x14/0x20
[  360.352295][  T442]  ? mutex_unlock+0x1d/0x40
[  360.356770][  T442]  kernfs_new_node+0x97/0x170
[  360.361419][  T442]  __kernfs_create_file+0x4a/0x270
[  360.366501][  T442]  cgroup_addrm_files+0xab8/0xfe0
[  360.371499][  T442]  ? ____kasan_kmalloc+0xdc/0x110
[  360.376505][  T442]  ? __kasan_kmalloc+0x9/0x10
[  360.381160][  T442]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  360.386679][  T442]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  360.392803][  T442]  ? delete_node+0x759/0x7b0
[  360.397367][  T442]  ? __kasan_check_read+0x11/0x20
[  360.402380][  T442]  ? idr_replace+0x1c4/0x230
[  360.406938][  T442]  ? idr_get_next+0x4b0/0x4b0
[  360.411583][  T442]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  360.416576][  T442]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  360.421753][  T442]  css_populate_dir+0x137/0x370
[  360.426576][  T442]  cgroup_apply_control_enable+0x8b9/0x12f0
[  360.432440][  T442]  cgroup_apply_control+0x93/0x710
[  360.437522][  T442]  ? css_next_child+0x160/0x160
[  360.442344][  T442]  ? io_schedule+0x120/0x120
[  360.446923][  T442]  ? kernfs_fop_write_iter+0x15e/0x410
[  360.452369][  T442]  ? __kasan_check_write+0x14/0x20
[  360.457455][  T442]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  360.462710][  T442]  cgroup_subtree_control_write+0xd19/0x1310
[  360.468661][  T442]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  360.474611][  T442]  ? __kasan_check_write+0x14/0x20
[  360.479693][  T442]  ? _copy_from_iter+0x3fb/0xd60
[  360.484602][  T442]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  360.490572][  T442]  cgroup_file_write+0x28e/0x590
[  360.495481][  T442]  ? cgroup_seqfile_stop+0xc0/0xc0
[  360.500560][  T442]  ? mutex_lock+0xa6/0x110
[  360.504951][  T442]  ? mutex_trylock+0xb0/0xb0
[  360.509513][  T442]  ? __kasan_check_write+0x14/0x20
[  360.514596][  T442]  kernfs_fop_write_iter+0x2d0/0x410
[  360.519850][  T442]  ? cgroup_seqfile_stop+0xc0/0xc0
[  360.524940][  T442]  vfs_write+0xc1c/0xf40
[  360.529160][  T442]  ? kernel_write+0x3c0/0x3c0
[  360.533805][  T442]  ? do_sys_openat2+0x397/0x470
[  360.538644][  T442]  ? __kasan_check_read+0x11/0x20
[  360.543641][  T442]  ? __fdget_pos+0x27e/0x310
[  360.548206][  T442]  ksys_write+0x198/0x2c0
[  360.552509][  T442]  ? __kasan_check_write+0x14/0x20
[  360.557591][  T442]  ? __ia32_sys_read+0x90/0x90
[  360.562324][  T442]  ? debug_smp_processor_id+0x17/0x20
[  360.567683][  T442]  __x64_sys_write+0x7b/0x90
[  360.572244][  T442]  do_syscall_64+0x34/0x70
[  360.576631][  T442]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  360.582493][  T442] RIP: 0033:0x7efdb4cf77c9
[  360.586881][  T442] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  360.606455][  T442] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  360.614843][  T442] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  360.622792][  T442] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  360.630737][  T442] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  360.638694][  T442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  360.646648][  T442] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000c
[  360.654741][  T442] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  360.698219][  T441] FAULT_INJECTION: forcing a failure.
[  360.698219][  T441] name failslab, interval 1, probability 0, space 0, times 0
[  360.710831][  T441] CPU: 0 PID: 441 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  360.721048][  T441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  360.731081][  T441] Call Trace:
[  360.734365][  T441]  dump_stack_lvl+0x1e2/0x24b
[  360.739037][  T441]  ? panic+0x7d7/0x7d7
[  360.743077][  T441]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  360.748518][  T441]  ? selinux_kernfs_init_security+0x1a8/0x760
[  360.754559][  T441]  dump_stack+0x15/0x17
[  360.758691][  T441]  should_fail+0x3c0/0x510
[  360.763082][  T441]  __should_failslab+0x9f/0xe0
[  360.767824][  T441]  should_failslab+0x9/0x20
[  360.772304][  T441]  kmem_cache_alloc+0x3f/0x300
[  360.777043][  T441]  ? __kernfs_new_node+0xdb/0x6e0
[  360.782042][  T441]  __kernfs_new_node+0xdb/0x6e0
[  360.786875][  T441]  ? is_module_text_address+0xe1/0x140
[  360.792310][  T441]  ? kernfs_new_node+0x170/0x170
[  360.797241][  T441]  ? ptr_to_hashval+0x60/0x60
[  360.801895][  T441]  ? arch_stack_walk+0xf8/0x140
[  360.806718][  T441]  ? snprintf+0xd6/0x120
[  360.810933][  T441]  kernfs_new_node+0x97/0x170
[  360.815583][  T441]  __kernfs_create_file+0x4a/0x270
[  360.820668][  T441]  cgroup_addrm_files+0xab8/0xfe0
[  360.825666][  T441]  ? ____kasan_kmalloc+0xdc/0x110
[  360.830664][  T441]  ? __kasan_kmalloc+0x9/0x10
[  360.835313][  T441]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  360.840837][  T441]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  360.846962][  T441]  ? delete_node+0x759/0x7b0
[  360.851525][  T441]  ? __kasan_check_read+0x11/0x20
[  360.856522][  T441]  ? delete_node+0x759/0x7b0
[  360.861085][  T441]  ? __kasan_check_write+0x14/0x20
[  360.866182][  T441]  ? idr_replace+0x1c4/0x230
[  360.870747][  T441]  ? idr_get_next+0x4b0/0x4b0
[  360.875397][  T441]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  360.880394][  T441]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  360.885567][  T441]  css_populate_dir+0x137/0x370
[  360.890392][  T441]  cgroup_apply_control_enable+0x8b9/0x12f0
[  360.896265][  T441]  cgroup_apply_control+0x93/0x710
[  360.901346][  T441]  ? css_next_child+0x160/0x160
[  360.906169][  T441]  ? stack_trace_save+0x12d/0x1f0
[  360.911164][  T441]  ? io_schedule+0x120/0x120
[  360.915728][  T441]  ? kernfs_fop_write_iter+0x15e/0x410
[  360.921158][  T441]  ? __kasan_check_write+0x14/0x20
[  360.926262][  T441]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  360.931530][  T441]  cgroup_subtree_control_write+0xd19/0x1310
[  360.937497][  T441]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  360.943474][  T441]  ? __kasan_check_write+0x14/0x20
[  360.948568][  T441]  ? _copy_from_iter+0x3fb/0xd60
[  360.953488][  T441]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  360.959444][  T441]  cgroup_file_write+0x28e/0x590
[  360.964371][  T441]  ? cgroup_seqfile_stop+0xc0/0xc0
[  360.969462][  T441]  ? mutex_lock+0xa6/0x110
[  360.973863][  T441]  ? mutex_trylock+0xb0/0xb0
[  360.978431][  T441]  ? __kasan_check_write+0x14/0x20
[  360.983613][  T441]  kernfs_fop_write_iter+0x2d0/0x410
[  360.988893][  T441]  ? cgroup_seqfile_stop+0xc0/0xc0
[  360.993996][  T441]  vfs_write+0xc1c/0xf40
[  360.998224][  T441]  ? slab_free_freelist_hook+0xcc/0x1a0
[  361.003750][  T441]  ? kernel_write+0x3c0/0x3c0
[  361.008403][  T441]  ? do_sys_openat2+0x397/0x470
[  361.013234][  T441]  ? __kasan_check_read+0x11/0x20
[  361.018243][  T441]  ? __fdget_pos+0x27e/0x310
[  361.022811][  T441]  ksys_write+0x198/0x2c0
[  361.027119][  T441]  ? __ia32_sys_read+0x90/0x90
[  361.031865][  T441]  ? debug_smp_processor_id+0x17/0x20
[  361.037217][  T441]  __x64_sys_write+0x7b/0x90
[  361.041786][  T441]  do_syscall_64+0x34/0x70
[  361.046190][  T441]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  361.052059][  T441] RIP: 0033:0x7efdb4cf77c9
[  361.056454][  T441] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  361.076034][  T441] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  361.084507][  T441] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  361.092452][  T441] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  361.100400][  T441] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  361.108347][  T441] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  361.116304][  T441] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000008
[  361.124493][  T441] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  361.198185][  T440] FAULT_INJECTION: forcing a failure.
[  361.198185][  T440] name failslab, interval 1, probability 0, space 0, times 0
[  361.210891][  T440] CPU: 1 PID: 440 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  361.221109][  T440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  361.231137][  T440] Call Trace:
[  361.234410][  T440]  dump_stack_lvl+0x1e2/0x24b
[  361.239068][  T440]  ? panic+0x7d7/0x7d7
[  361.243127][  T440]  ? arch_stack_walk+0x106/0x140
[  361.248047][  T440]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  361.253499][  T440]  ? do_syscall_64+0x34/0x70
[  361.258070][  T440]  dump_stack+0x15/0x17
[  361.262203][  T440]  should_fail+0x3c0/0x510
[  361.266595][  T440]  __should_failslab+0x9f/0xe0
[  361.271334][  T440]  should_failslab+0x9/0x20
[  361.275808][  T440]  kmem_cache_alloc+0x3f/0x300
[  361.280548][  T440]  ? __kernfs_new_node+0xdb/0x6e0
[  361.285550][  T440]  __kernfs_new_node+0xdb/0x6e0
[  361.290373][  T440]  ? is_module_text_address+0xe1/0x140
[  361.295801][  T440]  ? kernfs_new_node+0x170/0x170
[  361.300711][  T440]  ? ptr_to_hashval+0x60/0x60
[  361.305356][  T440]  ? arch_stack_walk+0xf8/0x140
[  361.310179][  T440]  ? snprintf+0xd6/0x120
[  361.314399][  T440]  kernfs_new_node+0x97/0x170
[  361.319055][  T440]  __kernfs_create_file+0x4a/0x270
[  361.324146][  T440]  cgroup_addrm_files+0xab8/0xfe0
[  361.329150][  T440]  ? ____kasan_kmalloc+0xdc/0x110
[  361.334143][  T440]  ? __kasan_kmalloc+0x9/0x10
[  361.338819][  T440]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  361.344334][  T440]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  361.350456][  T440]  ? delete_node+0x759/0x7b0
[  361.355043][  T440]  ? __kasan_check_read+0x11/0x20
[  361.360038][  T440]  ? delete_node+0x759/0x7b0
[  361.364612][  T440]  ? __kasan_check_write+0x14/0x20
[  361.369705][  T440]  ? idr_replace+0x1c4/0x230
[  361.374271][  T440]  ? idr_get_next+0x4b0/0x4b0
[  361.378920][  T440]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  361.383914][  T440]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  361.389088][  T440]  css_populate_dir+0x137/0x370
[  361.393907][  T440]  cgroup_apply_control_enable+0x8b9/0x12f0
[  361.399772][  T440]  cgroup_apply_control+0x93/0x710
[  361.404854][  T440]  ? css_next_child+0x160/0x160
[  361.409672][  T440]  ? stack_trace_save+0x12d/0x1f0
[  361.414664][  T440]  ? io_schedule+0x120/0x120
[  361.419224][  T440]  ? kernfs_fop_write_iter+0x15e/0x410
[  361.424657][  T440]  ? __kasan_check_write+0x14/0x20
[  361.429738][  T440]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  361.434993][  T440]  cgroup_subtree_control_write+0xd19/0x1310
[  361.440956][  T440]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  361.446919][  T440]  ? __kasan_check_write+0x14/0x20
[  361.452000][  T440]  ? _copy_from_iter+0x3fb/0xd60
[  361.456910][  T440]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  361.462858][  T440]  cgroup_file_write+0x28e/0x590
[  361.467773][  T440]  ? cgroup_seqfile_stop+0xc0/0xc0
[  361.472854][  T440]  ? mutex_lock+0xa6/0x110
[  361.477239][  T440]  ? mutex_trylock+0xb0/0xb0
[  361.481799][  T440]  ? __kasan_check_write+0x14/0x20
[  361.486890][  T440]  kernfs_fop_write_iter+0x2d0/0x410
[  361.492161][  T440]  ? cgroup_seqfile_stop+0xc0/0xc0
[  361.497245][  T440]  vfs_write+0xc1c/0xf40
[  361.501460][  T440]  ? slab_free_freelist_hook+0xcc/0x1a0
[  361.507001][  T440]  ? kernel_write+0x3c0/0x3c0
[  361.511647][  T440]  ? do_sys_openat2+0x397/0x470
[  361.516468][  T440]  ? __kasan_check_read+0x11/0x20
[  361.521465][  T440]  ? __fdget_pos+0x27e/0x310
[  361.526024][  T440]  ksys_write+0x198/0x2c0
[  361.530337][  T440]  ? __ia32_sys_read+0x90/0x90
[  361.535083][  T440]  ? debug_smp_processor_id+0x17/0x20
[  361.540427][  T440]  __x64_sys_write+0x7b/0x90
[  361.544988][  T440]  do_syscall_64+0x34/0x70
[  361.549374][  T440]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  361.555242][  T440] RIP: 0033:0x7efdb4cf77c9
[  361.559640][  T440] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  361.579214][  T440] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  361.587599][  T440] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  361.595554][  T440] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  361.603500][  T440] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  361.611449][  T440] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  361.619393][  T440] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000b
[  361.627824][  T440] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  361.668161][  T437] FAULT_INJECTION: forcing a failure.
[  361.668161][  T437] name failslab, interval 1, probability 0, space 0, times 0
[  361.680833][  T437] CPU: 1 PID: 437 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  361.691047][  T437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  361.701075][  T437] Call Trace:
[  361.704342][  T437]  dump_stack_lvl+0x1e2/0x24b
[  361.708995][  T437]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  361.714433][  T437]  ? selinux_kernfs_init_security+0x1a8/0x760
[  361.720478][  T437]  dump_stack+0x15/0x17
[  361.724604][  T437]  should_fail+0x3c0/0x510
[  361.729006][  T437]  ? __kernfs_new_node+0x99/0x6e0
[  361.734023][  T437]  __should_failslab+0x9f/0xe0
[  361.738758][  T437]  should_failslab+0x9/0x20
[  361.743234][  T437]  __kmalloc_track_caller+0x5f/0x350
[  361.748495][  T437]  kstrdup_const+0x55/0x90
[  361.752884][  T437]  __kernfs_new_node+0x99/0x6e0
[  361.757706][  T437]  ? is_module_text_address+0xe1/0x140
[  361.763135][  T437]  ? kernfs_new_node+0x170/0x170
[  361.768047][  T437]  ? ptr_to_hashval+0x60/0x60
[  361.772695][  T437]  ? snprintf+0xd6/0x120
[  361.776905][  T437]  ? __kasan_check_write+0x14/0x20
[  361.781987][  T437]  ? mutex_unlock+0x1d/0x40
[  361.786469][  T437]  kernfs_new_node+0x97/0x170
[  361.791130][  T437]  __kernfs_create_file+0x4a/0x270
[  361.796238][  T437]  cgroup_addrm_files+0xab8/0xfe0
[  361.801243][  T437]  ? ____kasan_kmalloc+0xdc/0x110
[  361.806239][  T437]  ? __kasan_kmalloc+0x9/0x10
[  361.810884][  T437]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  361.816401][  T437]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  361.822529][  T437]  ? delete_node+0x759/0x7b0
[  361.827093][  T437]  ? __kasan_check_read+0x11/0x20
[  361.832104][  T437]  ? idr_replace+0x1c4/0x230
[  361.836672][  T437]  ? idr_get_next+0x4b0/0x4b0
[  361.841323][  T437]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  361.846315][  T437]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  361.851492][  T437]  css_populate_dir+0x137/0x370
[  361.856329][  T437]  cgroup_apply_control_enable+0x8b9/0x12f0
[  361.862195][  T437]  cgroup_apply_control+0x93/0x710
[  361.867278][  T437]  ? css_next_child+0x160/0x160
[  361.872099][  T437]  ? stack_trace_save+0x12d/0x1f0
[  361.877111][  T437]  ? io_schedule+0x120/0x120
[  361.881683][  T437]  ? kernfs_fop_write_iter+0x15e/0x410
[  361.887116][  T437]  ? __kasan_check_write+0x14/0x20
[  361.892219][  T437]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  361.897476][  T437]  cgroup_subtree_control_write+0xd19/0x1310
[  361.903438][  T437]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  361.909392][  T437]  ? __kasan_check_write+0x14/0x20
[  361.914471][  T437]  ? _copy_from_iter+0x3fb/0xd60
[  361.919377][  T437]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  361.925325][  T437]  cgroup_file_write+0x28e/0x590
[  361.930238][  T437]  ? cgroup_seqfile_stop+0xc0/0xc0
[  361.935320][  T437]  ? mutex_lock+0xa6/0x110
[  361.939709][  T437]  ? mutex_trylock+0xb0/0xb0
[  361.944272][  T437]  ? __kasan_check_write+0x14/0x20
[  361.949366][  T437]  kernfs_fop_write_iter+0x2d0/0x410
[  361.954624][  T437]  ? cgroup_seqfile_stop+0xc0/0xc0
[  361.959708][  T437]  vfs_write+0xc1c/0xf40
[  361.963926][  T437]  ? slab_free_freelist_hook+0xcc/0x1a0
[  361.969452][  T437]  ? kernel_write+0x3c0/0x3c0
[  361.974106][  T437]  ? do_sys_openat2+0x397/0x470
[  361.978933][  T437]  ? __kasan_check_read+0x11/0x20
[  361.983930][  T437]  ? __fdget_pos+0x27e/0x310
[  361.988491][  T437]  ksys_write+0x198/0x2c0
[  361.992789][  T437]  ? __ia32_sys_read+0x90/0x90
[  361.997523][  T437]  ? debug_smp_processor_id+0x17/0x20
[  362.002879][  T437]  __x64_sys_write+0x7b/0x90
[  362.007445][  T437]  do_syscall_64+0x34/0x70
[  362.011855][  T437]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  362.017718][  T437] RIP: 0033:0x7efdb4cf77c9
[  362.022111][  T437] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  362.041687][  T437] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  362.050068][  T437] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  362.058026][  T437] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  362.065969][  T437] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  362.073912][  T437] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  362.081854][  T437] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000d
[  362.089905][  T437] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  362.127967][  T444] FAULT_INJECTION: forcing a failure.
[  362.127967][  T444] name failslab, interval 1, probability 0, space 0, times 0
[  362.140649][  T444] CPU: 0 PID: 444 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  362.150859][  T444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  362.160907][  T444] Call Trace:
[  362.164192][  T444]  dump_stack_lvl+0x1e2/0x24b
[  362.168843][  T444]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  362.174275][  T444]  ? selinux_kernfs_init_security+0x1a8/0x760
[  362.180329][  T444]  dump_stack+0x15/0x17
[  362.184458][  T444]  should_fail+0x3c0/0x510
[  362.188849][  T444]  ? __kernfs_new_node+0x99/0x6e0
[  362.193844][  T444]  __should_failslab+0x9f/0xe0
[  362.198579][  T444]  should_failslab+0x9/0x20
[  362.203065][  T444]  __kmalloc_track_caller+0x5f/0x350
[  362.208320][  T444]  kstrdup_const+0x55/0x90
[  362.212707][  T444]  __kernfs_new_node+0x99/0x6e0
[  362.217528][  T444]  ? is_module_text_address+0xe1/0x140
[  362.222957][  T444]  ? kernfs_new_node+0x170/0x170
[  362.227867][  T444]  ? ptr_to_hashval+0x60/0x60
[  362.232514][  T444]  ? snprintf+0xd6/0x120
[  362.236726][  T444]  ? __kasan_check_write+0x14/0x20
[  362.241807][  T444]  ? mutex_unlock+0x1d/0x40
[  362.246278][  T444]  kernfs_new_node+0x97/0x170
[  362.250926][  T444]  __kernfs_create_file+0x4a/0x270
[  362.256013][  T444]  cgroup_addrm_files+0xab8/0xfe0
[  362.261008][  T444]  ? ____kasan_kmalloc+0xdc/0x110
[  362.266002][  T444]  ? __kasan_kmalloc+0x9/0x10
[  362.270649][  T444]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  362.276163][  T444]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  362.282299][  T444]  ? delete_node+0x759/0x7b0
[  362.286865][  T444]  ? __kasan_check_read+0x11/0x20
[  362.291861][  T444]  ? idr_replace+0x1c4/0x230
[  362.296430][  T444]  ? idr_get_next+0x4b0/0x4b0
[  362.301077][  T444]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  362.306069][  T444]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  362.311244][  T444]  css_populate_dir+0x137/0x370
[  362.316062][  T444]  cgroup_apply_control_enable+0x8b9/0x12f0
[  362.321946][  T444]  cgroup_apply_control+0x93/0x710
[  362.327035][  T444]  ? css_next_child+0x160/0x160
[  362.331859][  T444]  ? stack_trace_save+0x12d/0x1f0
[  362.336940][  T444]  ? io_schedule+0x120/0x120
[  362.341502][  T444]  ? kernfs_fop_write_iter+0x15e/0x410
[  362.346931][  T444]  ? __kasan_check_write+0x14/0x20
[  362.352026][  T444]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  362.357285][  T444]  cgroup_subtree_control_write+0xd19/0x1310
[  362.363234][  T444]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  362.369182][  T444]  ? __kasan_check_write+0x14/0x20
[  362.374263][  T444]  ? _copy_from_iter+0x3fb/0xd60
[  362.379173][  T444]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  362.385147][  T444]  cgroup_file_write+0x28e/0x590
[  362.390052][  T444]  ? cgroup_seqfile_stop+0xc0/0xc0
[  362.395134][  T444]  ? mutex_lock+0xa6/0x110
[  362.399522][  T444]  ? mutex_trylock+0xb0/0xb0
[  362.404086][  T444]  ? __kasan_check_write+0x14/0x20
[  362.409167][  T444]  kernfs_fop_write_iter+0x2d0/0x410
[  362.414431][  T444]  ? cgroup_seqfile_stop+0xc0/0xc0
[  362.419510][  T444]  vfs_write+0xc1c/0xf40
[  362.423722][  T444]  ? slab_free_freelist_hook+0xcc/0x1a0
[  362.429253][  T444]  ? kernel_write+0x3c0/0x3c0
[  362.433918][  T444]  ? do_sys_openat2+0x397/0x470
[  362.438741][  T444]  ? __kasan_check_read+0x11/0x20
[  362.443749][  T444]  ? __fdget_pos+0x27e/0x310
[  362.448315][  T444]  ksys_write+0x198/0x2c0
[  362.452632][  T444]  ? __ia32_sys_read+0x90/0x90
[  362.457387][  T444]  ? debug_smp_processor_id+0x17/0x20
[  362.462730][  T444]  __x64_sys_write+0x7b/0x90
[  362.467290][  T444]  do_syscall_64+0x34/0x70
[  362.471675][  T444]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  362.477537][  T444] RIP: 0033:0x7efdb4cf77c9
[  362.481922][  T444] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  362.501500][  T444] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  362.509885][  T444] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  362.517828][  T444] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  362.525775][  T444] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  362.533719][  T444] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  362.541762][  T444] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000009
[  362.549927][  T444] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  362.598065][  T439] FAULT_INJECTION: forcing a failure.
[  362.598065][  T439] name failslab, interval 1, probability 0, space 0, times 0
[  362.610735][  T439] CPU: 1 PID: 439 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  362.621032][  T439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  362.631129][  T439] Call Trace:
[  362.634403][  T439]  dump_stack_lvl+0x1e2/0x24b
[  362.639057][  T439]  ? panic+0x7d7/0x7d7
[  362.643114][  T439]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  362.648551][  T439]  ? selinux_kernfs_init_security+0x1a8/0x760
[  362.654594][  T439]  dump_stack+0x15/0x17
[  362.658724][  T439]  should_fail+0x3c0/0x510
[  362.663115][  T439]  __should_failslab+0x9f/0xe0
[  362.667857][  T439]  should_failslab+0x9/0x20
[  362.672340][  T439]  kmem_cache_alloc+0x3f/0x300
[  362.677076][  T439]  ? __kernfs_new_node+0xdb/0x6e0
[  362.682071][  T439]  __kernfs_new_node+0xdb/0x6e0
[  362.686891][  T439]  ? is_module_text_address+0xe1/0x140
[  362.692322][  T439]  ? kernfs_new_node+0x170/0x170
[  362.697247][  T439]  ? ptr_to_hashval+0x60/0x60
[  362.701907][  T439]  ? arch_stack_walk+0xf8/0x140
[  362.706728][  T439]  ? snprintf+0xd6/0x120
[  362.710952][  T439]  kernfs_new_node+0x97/0x170
[  362.715602][  T439]  __kernfs_create_file+0x4a/0x270
[  362.720686][  T439]  cgroup_addrm_files+0xab8/0xfe0
[  362.725706][  T439]  ? ____kasan_kmalloc+0xdc/0x110
[  362.730701][  T439]  ? __kasan_kmalloc+0x9/0x10
[  362.735347][  T439]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  362.740883][  T439]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  362.747008][  T439]  ? delete_node+0x759/0x7b0
[  362.751579][  T439]  ? __kasan_check_read+0x11/0x20
[  362.756573][  T439]  ? delete_node+0x759/0x7b0
[  362.761140][  T439]  ? __kasan_check_write+0x14/0x20
[  362.766228][  T439]  ? idr_replace+0x1c4/0x230
[  362.770789][  T439]  ? idr_get_next+0x4b0/0x4b0
[  362.775439][  T439]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  362.780584][  T439]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  362.785761][  T439]  css_populate_dir+0x137/0x370
[  362.790586][  T439]  cgroup_apply_control_enable+0x8b9/0x12f0
[  362.796454][  T439]  cgroup_apply_control+0x93/0x710
[  362.801540][  T439]  ? css_next_child+0x160/0x160
[  362.806364][  T439]  ? stack_trace_save+0x12d/0x1f0
[  362.811360][  T439]  ? io_schedule+0x120/0x120
[  362.815929][  T439]  ? kernfs_fop_write_iter+0x15e/0x410
[  362.821358][  T439]  ? __kasan_check_write+0x14/0x20
[  362.826457][  T439]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  362.831713][  T439]  cgroup_subtree_control_write+0xd19/0x1310
[  362.837665][  T439]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  362.843626][  T439]  ? __kasan_check_write+0x14/0x20
[  362.848830][  T439]  ? _copy_from_iter+0x3fb/0xd60
[  362.853745][  T439]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  362.859696][  T439]  cgroup_file_write+0x28e/0x590
[  362.864756][  T439]  ? cgroup_seqfile_stop+0xc0/0xc0
[  362.869850][  T439]  ? mutex_lock+0xa6/0x110
[  362.874255][  T439]  ? mutex_trylock+0xb0/0xb0
[  362.878824][  T439]  ? __kasan_check_write+0x14/0x20
[  362.883927][  T439]  kernfs_fop_write_iter+0x2d0/0x410
[  362.889194][  T439]  ? cgroup_seqfile_stop+0xc0/0xc0
[  362.894295][  T439]  vfs_write+0xc1c/0xf40
[  362.898523][  T439]  ? slab_free_freelist_hook+0xcc/0x1a0
[  362.904058][  T439]  ? kernel_write+0x3c0/0x3c0
[  362.908717][  T439]  ? do_sys_openat2+0x397/0x470
[  362.913545][  T439]  ? __kasan_check_read+0x11/0x20
[  362.918542][  T439]  ? __fdget_pos+0x27e/0x310
[  362.923113][  T439]  ksys_write+0x198/0x2c0
[  362.927424][  T439]  ? __ia32_sys_read+0x90/0x90
[  362.932163][  T439]  ? debug_smp_processor_id+0x17/0x20
[  362.937519][  T439]  __x64_sys_write+0x7b/0x90
[  362.942082][  T439]  do_syscall_64+0x34/0x70
[  362.946477][  T439]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  362.952337][  T439] RIP: 0033:0x7efdb4cf77c9
[  362.956726][  T439] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  362.976327][  T439] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  362.984811][  T439] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  362.992766][  T439] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  363.000714][  T439] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  363.008663][  T439] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  363.016610][  T439] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000008
[  363.024683][  T439] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  363.068237][  T431] FAULT_INJECTION: forcing a failure.
[  363.068237][  T431] name failslab, interval 1, probability 0, space 0, times 0
[  363.080931][  T431] CPU: 0 PID: 431 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  363.091151][  T431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  363.101185][  T431] Call Trace:
[  363.104454][  T431]  dump_stack_lvl+0x1e2/0x24b
[  363.109101][  T431]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  363.114537][  T431]  ? selinux_kernfs_init_security+0x1a8/0x760
[  363.120576][  T431]  dump_stack+0x15/0x17
[  363.124709][  T431]  should_fail+0x3c0/0x510
[  363.129101][  T431]  ? __kernfs_new_node+0x99/0x6e0
[  363.134094][  T431]  __should_failslab+0x9f/0xe0
[  363.138831][  T431]  should_failslab+0x9/0x20
[  363.143305][  T431]  __kmalloc_track_caller+0x5f/0x350
[  363.148562][  T431]  kstrdup_const+0x55/0x90
[  363.152998][  T431]  __kernfs_new_node+0x99/0x6e0
[  363.157819][  T431]  ? is_module_text_address+0xe1/0x140
[  363.163249][  T431]  ? kernfs_new_node+0x170/0x170
[  363.168176][  T431]  ? ptr_to_hashval+0x60/0x60
[  363.172844][  T431]  ? snprintf+0xd6/0x120
[  363.177063][  T431]  ? __kasan_check_write+0x14/0x20
[  363.182153][  T431]  ? mutex_unlock+0x1d/0x40
[  363.186631][  T431]  kernfs_new_node+0x97/0x170
[  363.191285][  T431]  __kernfs_create_file+0x4a/0x270
[  363.196365][  T431]  cgroup_addrm_files+0xab8/0xfe0
[  363.201371][  T431]  ? ____kasan_kmalloc+0xdc/0x110
[  363.206370][  T431]  ? __kasan_kmalloc+0x9/0x10
[  363.211139][  T431]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  363.216665][  T431]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  363.222799][  T431]  ? delete_node+0x759/0x7b0
[  363.227366][  T431]  ? __kasan_check_read+0x11/0x20
[  363.232372][  T431]  ? idr_replace+0x1c4/0x230
[  363.237046][  T431]  ? idr_get_next+0x4b0/0x4b0
[  363.241702][  T431]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  363.246725][  T431]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  363.251903][  T431]  css_populate_dir+0x137/0x370
[  363.256734][  T431]  cgroup_apply_control_enable+0x8b9/0x12f0
[  363.262600][  T431]  cgroup_apply_control+0x93/0x710
[  363.267689][  T431]  ? css_next_child+0x160/0x160
[  363.272522][  T431]  ? stack_trace_save+0x12d/0x1f0
[  363.277523][  T431]  ? io_schedule+0x120/0x120
[  363.282087][  T431]  ? kernfs_fop_write_iter+0x15e/0x410
[  363.287521][  T431]  ? __kasan_check_write+0x14/0x20
[  363.292618][  T431]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  363.297881][  T431]  cgroup_subtree_control_write+0xd19/0x1310
[  363.303838][  T431]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  363.309794][  T431]  ? __kasan_check_write+0x14/0x20
[  363.314876][  T431]  ? _copy_from_iter+0x3fb/0xd60
[  363.319789][  T431]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  363.325742][  T431]  cgroup_file_write+0x28e/0x590
[  363.330652][  T431]  ? cgroup_seqfile_stop+0xc0/0xc0
[  363.335741][  T431]  ? mutex_lock+0xa6/0x110
[  363.340132][  T431]  ? mutex_trylock+0xb0/0xb0
[  363.344700][  T431]  ? __kasan_check_write+0x14/0x20
[  363.349787][  T431]  kernfs_fop_write_iter+0x2d0/0x410
[  363.355069][  T431]  ? cgroup_seqfile_stop+0xc0/0xc0
[  363.360162][  T431]  vfs_write+0xc1c/0xf40
[  363.364390][  T431]  ? slab_free_freelist_hook+0xcc/0x1a0
[  363.369913][  T431]  ? kernel_write+0x3c0/0x3c0
[  363.374569][  T431]  ? do_sys_openat2+0x397/0x470
[  363.379405][  T431]  ? __kasan_check_read+0x11/0x20
[  363.384407][  T431]  ? __fdget_pos+0x27e/0x310
[  363.388968][  T431]  ksys_write+0x198/0x2c0
[  363.393279][  T431]  ? __ia32_sys_read+0x90/0x90
[  363.398021][  T431]  ? debug_smp_processor_id+0x17/0x20
[  363.403453][  T431]  __x64_sys_write+0x7b/0x90
[  363.408015][  T431]  do_syscall_64+0x34/0x70
[  363.412462][  T431]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  363.418329][  T431] RIP: 0033:0x7efdb4cf77c9
[  363.422723][  T431] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  363.442306][  T431] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  363.450701][  T431] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  363.458656][  T431] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
executing program
[  363.466609][  T431] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  363.474561][  T431] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  363.482515][  T431] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000006
[  363.490603][  T431] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  363.538208][  T449] FAULT_INJECTION: forcing a failure.
[  363.538208][  T449] name failslab, interval 1, probability 0, space 0, times 0
[  363.550878][  T449] CPU: 1 PID: 449 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  363.561108][  T449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  363.571137][  T449] Call Trace:
[  363.574406][  T449]  dump_stack_lvl+0x1e2/0x24b
[  363.579070][  T449]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  363.584498][  T449]  ? stack_trace_save+0x1f0/0x1f0
[  363.589497][  T449]  ? arch_stack_walk+0x106/0x140
[  363.594408][  T449]  dump_stack+0x15/0x17
[  363.598538][  T449]  should_fail+0x3c0/0x510
[  363.602930][  T449]  ? __kernfs_new_node+0x99/0x6e0
[  363.607929][  T449]  __should_failslab+0x9f/0xe0
[  363.612669][  T449]  should_failslab+0x9/0x20
[  363.617145][  T449]  __kmalloc_track_caller+0x5f/0x350
[  363.622405][  T449]  kstrdup_const+0x55/0x90
[  363.626796][  T449]  __kernfs_new_node+0x99/0x6e0
[  363.631625][  T449]  ? is_module_text_address+0xe1/0x140
[  363.637056][  T449]  ? kernfs_new_node+0x170/0x170
[  363.641966][  T449]  ? ptr_to_hashval+0x60/0x60
[  363.646617][  T449]  ? arch_stack_walk+0xf8/0x140
[  363.651441][  T449]  ? snprintf+0xd6/0x120
[  363.655665][  T449]  kernfs_new_node+0x97/0x170
[  363.660317][  T449]  __kernfs_create_file+0x4a/0x270
[  363.665401][  T449]  cgroup_addrm_files+0xab8/0xfe0
[  363.670400][  T449]  ? ____kasan_kmalloc+0xdc/0x110
[  363.675395][  T449]  ? __kasan_kmalloc+0x9/0x10
[  363.680045][  T449]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  363.685563][  T449]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  363.691777][  T449]  ? delete_node+0x759/0x7b0
[  363.696359][  T449]  ? __kasan_check_read+0x11/0x20
[  363.701354][  T449]  ? delete_node+0x759/0x7b0
[  363.705920][  T449]  ? __kasan_check_write+0x14/0x20
[  363.711007][  T449]  ? idr_replace+0x1c4/0x230
[  363.715571][  T449]  ? idr_get_next+0x4b0/0x4b0
[  363.720218][  T449]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  363.725217][  T449]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  363.730387][  T449]  css_populate_dir+0x137/0x370
[  363.735209][  T449]  cgroup_apply_control_enable+0x8b9/0x12f0
[  363.741078][  T449]  cgroup_apply_control+0x93/0x710
[  363.746163][  T449]  ? css_next_child+0x160/0x160
[  363.750986][  T449]  ? stack_trace_save+0x12d/0x1f0
[  363.755985][  T449]  ? io_schedule+0x120/0x120
[  363.760549][  T449]  ? kernfs_fop_write_iter+0x15e/0x410
[  363.765983][  T449]  ? __kasan_check_write+0x14/0x20
[  363.771066][  T449]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  363.776325][  T449]  cgroup_subtree_control_write+0xd19/0x1310
[  363.782278][  T449]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  363.788229][  T449]  ? __kasan_check_write+0x14/0x20
[  363.793313][  T449]  ? _copy_from_iter+0x3fb/0xd60
[  363.798227][  T449]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  363.804178][  T449]  cgroup_file_write+0x28e/0x590
[  363.809090][  T449]  ? cgroup_seqfile_stop+0xc0/0xc0
[  363.814174][  T449]  ? mutex_lock+0xa6/0x110
[  363.818567][  T449]  ? mutex_trylock+0xb0/0xb0
[  363.823129][  T449]  ? __kasan_check_write+0x14/0x20
[  363.828212][  T449]  kernfs_fop_write_iter+0x2d0/0x410
[  363.833474][  T449]  ? cgroup_seqfile_stop+0xc0/0xc0
[  363.838557][  T449]  vfs_write+0xc1c/0xf40
[  363.842771][  T449]  ? slab_free_freelist_hook+0xcc/0x1a0
[  363.848290][  T449]  ? kernel_write+0x3c0/0x3c0
[  363.852943][  T449]  ? do_sys_openat2+0x397/0x470
[  363.857768][  T449]  ? __kasan_check_read+0x11/0x20
[  363.862764][  T449]  ? __fdget_pos+0x27e/0x310
[  363.867325][  T449]  ksys_write+0x198/0x2c0
[  363.871630][  T449]  ? __ia32_sys_read+0x90/0x90
[  363.876372][  T449]  ? debug_smp_processor_id+0x17/0x20
[  363.881720][  T449]  __x64_sys_write+0x7b/0x90
[  363.886283][  T449]  do_syscall_64+0x34/0x70
[  363.890674][  T449]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  363.896537][  T449] RIP: 0033:0x7efdb4cf77c9
[  363.900944][  T449] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  363.920519][  T449] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  363.928906][  T449] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  363.936851][  T449] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  363.944808][  T449] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  363.952751][  T449] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  363.960696][  T449] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000007
[  363.968784][  T449] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  363.998112][  T448] FAULT_INJECTION: forcing a failure.
[  363.998112][  T448] name failslab, interval 1, probability 0, space 0, times 0
[  364.010801][  T448] CPU: 0 PID: 448 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  364.021096][  T448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  364.031163][  T448] Call Trace:
[  364.034429][  T448]  dump_stack_lvl+0x1e2/0x24b
[  364.039265][  T448]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  364.044695][  T448]  ? selinux_kernfs_init_security+0x1a8/0x760
[  364.050731][  T448]  dump_stack+0x15/0x17
[  364.054861][  T448]  should_fail+0x3c0/0x510
[  364.059250][  T448]  ? __kernfs_new_node+0x99/0x6e0
[  364.064247][  T448]  __should_failslab+0x9f/0xe0
[  364.068982][  T448]  should_failslab+0x9/0x20
[  364.073457][  T448]  __kmalloc_track_caller+0x5f/0x350
[  364.078715][  T448]  kstrdup_const+0x55/0x90
[  364.083107][  T448]  __kernfs_new_node+0x99/0x6e0
[  364.087928][  T448]  ? is_module_text_address+0xe1/0x140
[  364.093360][  T448]  ? kernfs_new_node+0x170/0x170
[  364.098276][  T448]  ? ptr_to_hashval+0x60/0x60
[  364.102923][  T448]  ? arch_stack_walk+0xf8/0x140
[  364.107753][  T448]  ? snprintf+0xd6/0x120
[  364.111970][  T448]  kernfs_new_node+0x97/0x170
[  364.116616][  T448]  __kernfs_create_file+0x4a/0x270
[  364.123446][  T448]  cgroup_addrm_files+0xab8/0xfe0
[  364.128551][  T448]  ? ____kasan_kmalloc+0xdc/0x110
[  364.133553][  T448]  ? __kasan_kmalloc+0x9/0x10
[  364.138211][  T448]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  364.143734][  T448]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  364.149869][  T448]  ? delete_node+0x759/0x7b0
[  364.154435][  T448]  ? __kasan_check_read+0x11/0x20
[  364.159440][  T448]  ? delete_node+0x759/0x7b0
[  364.164010][  T448]  ? __kasan_check_write+0x14/0x20
[  364.173184][  T448]  ? idr_replace+0x1c4/0x230
[  364.177755][  T448]  ? idr_get_next+0x4b0/0x4b0
[  364.182406][  T448]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  364.187403][  T448]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  364.192580][  T448]  css_populate_dir+0x137/0x370
[  364.197407][  T448]  cgroup_apply_control_enable+0x8b9/0x12f0
[  364.203278][  T448]  cgroup_apply_control+0x93/0x710
[  364.208371][  T448]  ? css_next_child+0x160/0x160
[  364.213201][  T448]  ? stack_trace_save+0x12d/0x1f0
[  364.218204][  T448]  ? io_schedule+0x120/0x120
[  364.222768][  T448]  ? kernfs_fop_write_iter+0x15e/0x410
[  364.228198][  T448]  ? __kasan_check_write+0x14/0x20
[  364.233281][  T448]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  364.238542][  T448]  cgroup_subtree_control_write+0xd19/0x1310
[  364.244495][  T448]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  364.250448][  T448]  ? __kasan_check_write+0x14/0x20
[  364.255530][  T448]  ? _copy_from_iter+0x3fb/0xd60
[  364.260448][  T448]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  364.266408][  T448]  cgroup_file_write+0x28e/0x590
[  364.271322][  T448]  ? cgroup_seqfile_stop+0xc0/0xc0
[  364.276404][  T448]  ? mutex_lock+0xa6/0x110
[  364.280796][  T448]  ? mutex_trylock+0xb0/0xb0
[  364.285364][  T448]  ? __kasan_check_write+0x14/0x20
[  364.290449][  T448]  kernfs_fop_write_iter+0x2d0/0x410
[  364.295720][  T448]  ? cgroup_seqfile_stop+0xc0/0xc0
[  364.300802][  T448]  vfs_write+0xc1c/0xf40
[  364.305020][  T448]  ? slab_free_freelist_hook+0xcc/0x1a0
[  364.310570][  T448]  ? kernel_write+0x3c0/0x3c0
[  364.315231][  T448]  ? do_sys_openat2+0x397/0x470
[  364.320064][  T448]  ? __kasan_check_read+0x11/0x20
[  364.325072][  T448]  ? __fdget_pos+0x27e/0x310
[  364.329641][  T448]  ksys_write+0x198/0x2c0
[  364.333945][  T448]  ? __kasan_check_write+0x14/0x20
[  364.339028][  T448]  ? __ia32_sys_read+0x90/0x90
[  364.343777][  T448]  ? debug_smp_processor_id+0x17/0x20
[  364.349128][  T448]  __x64_sys_write+0x7b/0x90
[  364.353696][  T448]  do_syscall_64+0x34/0x70
[  364.358101][  T448]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  364.363969][  T448] RIP: 0033:0x7efdb4cf77c9
[  364.368357][  T448] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  364.387937][  T448] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  364.396327][  T448] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  364.404273][  T448] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  364.412223][  T448] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  364.420169][  T448] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  364.428119][  T448] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000009
[  364.436183][  T448] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  364.478202][  T443] FAULT_INJECTION: forcing a failure.
[  364.478202][  T443] name failslab, interval 1, probability 0, space 0, times 0
[  364.490895][  T443] CPU: 0 PID: 443 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  364.501113][  T443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  364.511142][  T443] Call Trace:
[  364.514410][  T443]  dump_stack_lvl+0x1e2/0x24b
[  364.519058][  T443]  ? panic+0x7d7/0x7d7
[  364.523099][  T443]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  364.528526][  T443]  ? selinux_kernfs_init_security+0x1a8/0x760
[  364.534566][  T443]  dump_stack+0x15/0x17
[  364.538693][  T443]  should_fail+0x3c0/0x510
[  364.543077][  T443]  __should_failslab+0x9f/0xe0
[  364.547817][  T443]  should_failslab+0x9/0x20
[  364.552291][  T443]  kmem_cache_alloc+0x3f/0x300
[  364.557024][  T443]  ? __kernfs_new_node+0xdb/0x6e0
[  364.562017][  T443]  __kernfs_new_node+0xdb/0x6e0
[  364.566840][  T443]  ? is_module_text_address+0xe1/0x140
[  364.572271][  T443]  ? kernfs_new_node+0x170/0x170
[  364.577180][  T443]  ? ptr_to_hashval+0x60/0x60
[  364.581826][  T443]  ? arch_stack_walk+0xf8/0x140
[  364.586644][  T443]  ? snprintf+0xd6/0x120
[  364.590855][  T443]  kernfs_new_node+0x97/0x170
[  364.595501][  T443]  __kernfs_create_file+0x4a/0x270
[  364.600581][  T443]  cgroup_addrm_files+0xab8/0xfe0
[  364.605576][  T443]  ? ____kasan_kmalloc+0xdc/0x110
[  364.610569][  T443]  ? __kasan_kmalloc+0x9/0x10
[  364.615215][  T443]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  364.620732][  T443]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  364.626853][  T443]  ? delete_node+0x759/0x7b0
[  364.631414][  T443]  ? __kasan_check_read+0x11/0x20
[  364.636406][  T443]  ? delete_node+0x759/0x7b0
[  364.640967][  T443]  ? __kasan_check_write+0x14/0x20
[  364.646062][  T443]  ? idr_replace+0x1c4/0x230
[  364.650620][  T443]  ? idr_get_next+0x4b0/0x4b0
[  364.655265][  T443]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  364.660264][  T443]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  364.665435][  T443]  css_populate_dir+0x137/0x370
[  364.670254][  T443]  cgroup_apply_control_enable+0x8b9/0x12f0
[  364.676115][  T443]  cgroup_apply_control+0x93/0x710
[  364.681211][  T443]  ? css_next_child+0x160/0x160
[  364.686031][  T443]  ? stack_trace_save+0x12d/0x1f0
[  364.691039][  T443]  ? io_schedule+0x120/0x120
[  364.695625][  T443]  ? kernfs_fop_write_iter+0x15e/0x410
[  364.701062][  T443]  ? __kasan_check_write+0x14/0x20
[  364.706145][  T443]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  364.711401][  T443]  cgroup_subtree_control_write+0xd19/0x1310
[  364.717351][  T443]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  364.723306][  T443]  ? __kasan_check_write+0x14/0x20
[  364.728402][  T443]  ? _copy_from_iter+0x3fb/0xd60
[  364.733310][  T443]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  364.739259][  T443]  cgroup_file_write+0x28e/0x590
[  364.744163][  T443]  ? cgroup_seqfile_stop+0xc0/0xc0
[  364.749242][  T443]  ? mutex_lock+0xa6/0x110
[  364.753625][  T443]  ? mutex_trylock+0xb0/0xb0
[  364.758186][  T443]  ? __kasan_check_write+0x14/0x20
[  364.763267][  T443]  kernfs_fop_write_iter+0x2d0/0x410
[  364.768520][  T443]  ? cgroup_seqfile_stop+0xc0/0xc0
[  364.773603][  T443]  vfs_write+0xc1c/0xf40
[  364.777814][  T443]  ? slab_free_freelist_hook+0xcc/0x1a0
[  364.783327][  T443]  ? kernel_write+0x3c0/0x3c0
[  364.787975][  T443]  ? do_sys_openat2+0x397/0x470
[  364.792813][  T443]  ? __kasan_check_read+0x11/0x20
[  364.797808][  T443]  ? __fdget_pos+0x27e/0x310
[  364.802372][  T443]  ksys_write+0x198/0x2c0
[  364.806671][  T443]  ? __ia32_sys_read+0x90/0x90
[  364.811407][  T443]  ? debug_smp_processor_id+0x17/0x20
[  364.816838][  T443]  __x64_sys_write+0x7b/0x90
[  364.821398][  T443]  do_syscall_64+0x34/0x70
[  364.825786][  T443]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  364.831661][  T443] RIP: 0033:0x7efdb4cf77c9
[  364.836067][  T443] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  364.855641][  T443] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  364.864022][  T443] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  364.871965][  T443] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  364.879905][  T443] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  364.887846][  T443] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  364.895791][  T443] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000d
[  364.904557][  T443] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  364.948166][  T447] FAULT_INJECTION: forcing a failure.
[  364.948166][  T447] name failslab, interval 1, probability 0, space 0, times 0
[  364.960818][  T447] CPU: 1 PID: 447 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  364.971029][  T447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  364.981059][  T447] Call Trace:
[  364.984326][  T447]  dump_stack_lvl+0x1e2/0x24b
[  364.988985][  T447]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  364.994417][  T447]  ? selinux_kernfs_init_security+0x1a8/0x760
[  365.000457][  T447]  dump_stack+0x15/0x17
[  365.004589][  T447]  should_fail+0x3c0/0x510
[  365.008998][  T447]  ? __kernfs_new_node+0x99/0x6e0
[  365.014002][  T447]  __should_failslab+0x9f/0xe0
[  365.018760][  T447]  should_failslab+0x9/0x20
[  365.023253][  T447]  __kmalloc_track_caller+0x5f/0x350
[  365.028531][  T447]  kstrdup_const+0x55/0x90
[  365.032929][  T447]  __kernfs_new_node+0x99/0x6e0
[  365.037767][  T447]  ? is_module_text_address+0xe1/0x140
[  365.043207][  T447]  ? kernfs_new_node+0x170/0x170
[  365.048132][  T447]  ? ptr_to_hashval+0x60/0x60
[  365.052785][  T447]  ? snprintf+0xd6/0x120
[  365.057005][  T447]  ? __kasan_check_write+0x14/0x20
[  365.062091][  T447]  ? mutex_unlock+0x1d/0x40
[  365.066568][  T447]  kernfs_new_node+0x97/0x170
[  365.071223][  T447]  __kernfs_create_file+0x4a/0x270
[  365.076310][  T447]  cgroup_addrm_files+0xab8/0xfe0
[  365.081308][  T447]  ? ____kasan_kmalloc+0xdc/0x110
[  365.086310][  T447]  ? __kasan_kmalloc+0x9/0x10
[  365.090972][  T447]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  365.096493][  T447]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  365.102618][  T447]  ? delete_node+0x759/0x7b0
[  365.107183][  T447]  ? __kasan_check_read+0x11/0x20
[  365.112191][  T447]  ? idr_replace+0x1c4/0x230
[  365.116753][  T447]  ? idr_get_next+0x4b0/0x4b0
[  365.121412][  T447]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  365.126411][  T447]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  365.131589][  T447]  css_populate_dir+0x137/0x370
[  365.136416][  T447]  cgroup_apply_control_enable+0x8b9/0x12f0
[  365.142286][  T447]  cgroup_apply_control+0x93/0x710
[  365.147368][  T447]  ? css_next_child+0x160/0x160
[  365.152212][  T447]  ? stack_trace_save+0x12d/0x1f0
[  365.157219][  T447]  ? io_schedule+0x120/0x120
[  365.161795][  T447]  ? kernfs_fop_write_iter+0x15e/0x410
[  365.167236][  T447]  ? __kasan_check_write+0x14/0x20
[  365.172324][  T447]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  365.177586][  T447]  cgroup_subtree_control_write+0xd19/0x1310
[  365.183553][  T447]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  365.189509][  T447]  ? __kasan_check_write+0x14/0x20
[  365.194595][  T447]  ? _copy_from_iter+0x3fb/0xd60
[  365.199507][  T447]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  365.205479][  T447]  cgroup_file_write+0x28e/0x590
[  365.210405][  T447]  ? cgroup_seqfile_stop+0xc0/0xc0
[  365.215505][  T447]  ? mutex_lock+0xa6/0x110
[  365.219904][  T447]  ? mutex_trylock+0xb0/0xb0
[  365.224475][  T447]  ? __kasan_check_write+0x14/0x20
[  365.229564][  T447]  kernfs_fop_write_iter+0x2d0/0x410
[  365.234833][  T447]  ? cgroup_seqfile_stop+0xc0/0xc0
[  365.239924][  T447]  vfs_write+0xc1c/0xf40
[  365.244142][  T447]  ? slab_free_freelist_hook+0xcc/0x1a0
[  365.249659][  T447]  ? kernel_write+0x3c0/0x3c0
[  365.254402][  T447]  ? do_sys_openat2+0x397/0x470
[  365.259230][  T447]  ? __kasan_check_read+0x11/0x20
[  365.264227][  T447]  ? __fdget_pos+0x27e/0x310
[  365.268798][  T447]  ksys_write+0x198/0x2c0
[  365.273102][  T447]  ? __ia32_sys_read+0x90/0x90
[  365.277842][  T447]  ? debug_smp_processor_id+0x17/0x20
[  365.283185][  T447]  __x64_sys_write+0x7b/0x90
[  365.287749][  T447]  do_syscall_64+0x34/0x70
[  365.292138][  T447]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  365.298002][  T447] RIP: 0033:0x7efdb4cf77c9
[  365.302391][  T447] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  365.321970][  T447] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  365.330357][  T447] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  365.338302][  T447] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  365.346248][  T447] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  365.354197][  T447] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  365.362144][  T447] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000a
[  365.370357][  T447] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  365.418295][  T453] FAULT_INJECTION: forcing a failure.
[  365.418295][  T453] name failslab, interval 1, probability 0, space 0, times 0
[  365.430951][  T453] CPU: 1 PID: 453 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  365.441176][  T453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  365.451232][  T453] Call Trace:
[  365.454508][  T453]  dump_stack_lvl+0x1e2/0x24b
[  365.459165][  T453]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  365.464597][  T453]  ? selinux_kernfs_init_security+0x1a8/0x760
[  365.470640][  T453]  dump_stack+0x15/0x17
[  365.474781][  T453]  should_fail+0x3c0/0x510
[  365.479177][  T453]  ? __kernfs_new_node+0x99/0x6e0
[  365.484174][  T453]  __should_failslab+0x9f/0xe0
[  365.488923][  T453]  should_failslab+0x9/0x20
[  365.493398][  T453]  __kmalloc_track_caller+0x5f/0x350
[  365.498671][  T453]  kstrdup_const+0x55/0x90
[  365.503070][  T453]  __kernfs_new_node+0x99/0x6e0
[  365.507894][  T453]  ? is_module_text_address+0xe1/0x140
[  365.513327][  T453]  ? kernfs_new_node+0x170/0x170
[  365.518244][  T453]  ? ptr_to_hashval+0x60/0x60
[  365.522900][  T453]  ? snprintf+0xd6/0x120
[  365.527119][  T453]  ? __kasan_check_write+0x14/0x20
[  365.532222][  T453]  ? mutex_unlock+0x1d/0x40
[  365.536714][  T453]  kernfs_new_node+0x97/0x170
[  365.541365][  T453]  __kernfs_create_file+0x4a/0x270
[  365.546449][  T453]  cgroup_addrm_files+0xab8/0xfe0
[  365.551446][  T453]  ? ____kasan_kmalloc+0xdc/0x110
[  365.556438][  T453]  ? __kasan_kmalloc+0x9/0x10
[  365.561084][  T453]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  365.566612][  T453]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  365.572741][  T453]  ? delete_node+0x759/0x7b0
[  365.577311][  T453]  ? __kasan_check_read+0x11/0x20
[  365.584043][  T453]  ? idr_replace+0x1c4/0x230
[  365.588618][  T453]  ? idr_get_next+0x4b0/0x4b0
[  365.593264][  T453]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  365.598365][  T453]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  365.603535][  T453]  css_populate_dir+0x137/0x370
[  365.608358][  T453]  cgroup_apply_control_enable+0x8b9/0x12f0
[  365.614238][  T453]  cgroup_apply_control+0x93/0x710
[  365.619324][  T453]  ? css_next_child+0x160/0x160
[  365.624155][  T453]  ? stack_trace_save+0x12d/0x1f0
[  365.629331][  T453]  ? io_schedule+0x120/0x120
[  365.633914][  T453]  ? kernfs_fop_write_iter+0x15e/0x410
[  365.639379][  T453]  ? __kasan_check_write+0x14/0x20
[  365.644471][  T453]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  365.649749][  T453]  cgroup_subtree_control_write+0xd19/0x1310
[  365.655711][  T453]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  365.661736][  T453]  ? __kasan_check_write+0x14/0x20
[  365.666823][  T453]  ? _copy_from_iter+0x3fb/0xd60
[  365.671740][  T453]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  365.677702][  T453]  cgroup_file_write+0x28e/0x590
[  365.682891][  T453]  ? cgroup_seqfile_stop+0xc0/0xc0
[  365.687988][  T453]  ? mutex_lock+0xa6/0x110
[  365.692492][  T453]  ? mutex_trylock+0xb0/0xb0
[  365.697070][  T453]  ? __kasan_check_write+0x14/0x20
[  365.702177][  T453]  kernfs_fop_write_iter+0x2d0/0x410
[  365.707444][  T453]  ? cgroup_seqfile_stop+0xc0/0xc0
[  365.712539][  T453]  vfs_write+0xc1c/0xf40
[  365.716780][  T453]  ? slab_free_freelist_hook+0xcc/0x1a0
[  365.722306][  T453]  ? kernel_write+0x3c0/0x3c0
[  365.727092][  T453]  ? do_sys_openat2+0x397/0x470
[  365.731942][  T453]  ? __kasan_check_read+0x11/0x20
[  365.736961][  T453]  ? __fdget_pos+0x27e/0x310
[  365.741533][  T453]  ksys_write+0x198/0x2c0
[  365.745846][  T453]  ? __ia32_sys_read+0x90/0x90
[  365.750601][  T453]  ? debug_smp_processor_id+0x17/0x20
[  365.755951][  T453]  __x64_sys_write+0x7b/0x90
[  365.760519][  T453]  do_syscall_64+0x34/0x70
[  365.764913][  T453]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  365.770781][  T453] RIP: 0033:0x7efdb4cf77c9
[  365.775172][  T453] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  365.794762][  T453] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  365.803175][  T453] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  365.811126][  T453] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  365.819072][  T453] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  365.827021][  T453] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  365.834969][  T453] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000b
[  365.843063][  T453] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  365.888212][  T454] FAULT_INJECTION: forcing a failure.
[  365.888212][  T454] name failslab, interval 1, probability 0, space 0, times 0
[  365.900894][  T454] CPU: 1 PID: 454 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  365.911107][  T454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  365.921193][  T454] Call Trace:
[  365.924475][  T454]  dump_stack_lvl+0x1e2/0x24b
[  365.929141][  T454]  ? panic+0x7d7/0x7d7
[  365.933194][  T454]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  365.938642][  T454]  ? selinux_kernfs_init_security+0x1a8/0x760
[  365.944712][  T454]  dump_stack+0x15/0x17
[  365.948859][  T454]  should_fail+0x3c0/0x510
[  365.953257][  T454]  __should_failslab+0x9f/0xe0
[  365.958004][  T454]  should_failslab+0x9/0x20
[  365.962496][  T454]  kmem_cache_alloc+0x3f/0x300
[  365.967267][  T454]  ? __kernfs_new_node+0xdb/0x6e0
[  365.972274][  T454]  __kernfs_new_node+0xdb/0x6e0
[  365.977124][  T454]  ? is_module_text_address+0xe1/0x140
[  365.982579][  T454]  ? kernfs_new_node+0x170/0x170
[  365.987506][  T454]  ? ptr_to_hashval+0x60/0x60
[  365.992211][  T454]  ? arch_stack_walk+0xf8/0x140
[  365.997059][  T454]  ? snprintf+0xd6/0x120
[  366.001281][  T454]  kernfs_new_node+0x97/0x170
[  366.005943][  T454]  __kernfs_create_file+0x4a/0x270
[  366.011043][  T454]  cgroup_addrm_files+0xab8/0xfe0
[  366.016049][  T454]  ? ____kasan_kmalloc+0xdc/0x110
[  366.021073][  T454]  ? __kasan_kmalloc+0x9/0x10
[  366.025729][  T454]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  366.031265][  T454]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  366.037398][  T454]  ? delete_node+0x759/0x7b0
[  366.041968][  T454]  ? __kasan_check_read+0x11/0x20
[  366.046969][  T454]  ? delete_node+0x759/0x7b0
[  366.051538][  T454]  ? __kasan_check_write+0x14/0x20
[  366.056630][  T454]  ? idr_replace+0x1c4/0x230
[  366.061201][  T454]  ? idr_get_next+0x4b0/0x4b0
[  366.065852][  T454]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  366.070851][  T454]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  366.076024][  T454]  css_populate_dir+0x137/0x370
[  366.080851][  T454]  cgroup_apply_control_enable+0x8b9/0x12f0
[  366.086724][  T454]  cgroup_apply_control+0x93/0x710
[  366.091814][  T454]  ? css_next_child+0x160/0x160
[  366.096642][  T454]  ? stack_trace_save+0x12d/0x1f0
[  366.101644][  T454]  ? io_schedule+0x120/0x120
[  366.106210][  T454]  ? kernfs_fop_write_iter+0x15e/0x410
[  366.111648][  T454]  ? __kasan_check_write+0x14/0x20
[  366.116734][  T454]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  366.121995][  T454]  cgroup_subtree_control_write+0xd19/0x1310
[  366.127956][  T454]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  366.133910][  T454]  ? __kasan_check_write+0x14/0x20
[  366.139000][  T454]  ? _copy_from_iter+0x3fb/0xd60
[  366.143912][  T454]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  366.149868][  T454]  cgroup_file_write+0x28e/0x590
[  366.154783][  T454]  ? cgroup_seqfile_stop+0xc0/0xc0
[  366.159868][  T454]  ? mutex_lock+0xa6/0x110
[  366.164261][  T454]  ? mutex_trylock+0xb0/0xb0
[  366.168830][  T454]  ? __kasan_check_write+0x14/0x20
[  366.174071][  T454]  kernfs_fop_write_iter+0x2d0/0x410
[  366.179342][  T454]  ? cgroup_seqfile_stop+0xc0/0xc0
[  366.184466][  T454]  vfs_write+0xc1c/0xf40
[  366.188696][  T454]  ? slab_free_freelist_hook+0xcc/0x1a0
[  366.194223][  T454]  ? kernel_write+0x3c0/0x3c0
[  366.198880][  T454]  ? do_sys_openat2+0x397/0x470
[  366.203714][  T454]  ? __kasan_check_read+0x11/0x20
[  366.208717][  T454]  ? __fdget_pos+0x27e/0x310
[  366.213283][  T454]  ksys_write+0x198/0x2c0
[  366.217589][  T454]  ? __ia32_sys_read+0x90/0x90
[  366.222332][  T454]  ? debug_smp_processor_id+0x17/0x20
[  366.227678][  T454]  __x64_sys_write+0x7b/0x90
[  366.232247][  T454]  do_syscall_64+0x34/0x70
[  366.236647][  T454]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  366.242514][  T454] RIP: 0033:0x7efdb4cf77c9
[  366.246924][  T454] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  366.266605][  T454] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  366.275000][  T454] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  366.282949][  T454] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  366.290896][  T454] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  366.298844][  T454] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  366.306799][  T454] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000c
[  366.314891][  T454] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  366.358037][  T445] FAULT_INJECTION: forcing a failure.
[  366.358037][  T445] name failslab, interval 1, probability 0, space 0, times 0
[  366.370697][  T445] CPU: 0 PID: 445 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  366.380904][  T445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  366.390934][  T445] Call Trace:
[  366.394208][  T445]  dump_stack_lvl+0x1e2/0x24b
[  366.398861][  T445]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  366.404292][  T445]  ? selinux_kernfs_init_security+0x1a8/0x760
[  366.410329][  T445]  dump_stack+0x15/0x17
[  366.414457][  T445]  should_fail+0x3c0/0x510
[  366.418846][  T445]  ? __kernfs_new_node+0x99/0x6e0
[  366.423950][  T445]  __should_failslab+0x9f/0xe0
[  366.428691][  T445]  should_failslab+0x9/0x20
[  366.433168][  T445]  __kmalloc_track_caller+0x5f/0x350
[  366.438426][  T445]  kstrdup_const+0x55/0x90
[  366.442816][  T445]  __kernfs_new_node+0x99/0x6e0
[  366.447720][  T445]  ? is_module_text_address+0xe1/0x140
[  366.453175][  T445]  ? kernfs_new_node+0x170/0x170
[  366.458087][  T445]  ? ptr_to_hashval+0x60/0x60
[  366.462738][  T445]  ? snprintf+0xd6/0x120
[  366.466964][  T445]  ? __kasan_check_write+0x14/0x20
[  366.472067][  T445]  ? mutex_unlock+0x1d/0x40
[  366.476545][  T445]  kernfs_new_node+0x97/0x170
[  366.481220][  T445]  __kernfs_create_file+0x4a/0x270
[  366.486325][  T445]  cgroup_addrm_files+0xab8/0xfe0
[  366.491321][  T445]  ? ____kasan_kmalloc+0xdc/0x110
[  366.496316][  T445]  ? __kasan_kmalloc+0x9/0x10
[  366.500965][  T445]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  366.506481][  T445]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  366.512611][  T445]  ? delete_node+0x759/0x7b0
[  366.517178][  T445]  ? __kasan_check_read+0x11/0x20
[  366.522178][  T445]  ? idr_replace+0x1c4/0x230
[  366.526740][  T445]  ? idr_get_next+0x4b0/0x4b0
[  366.531408][  T445]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  366.536411][  T445]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  366.541589][  T445]  css_populate_dir+0x137/0x370
[  366.546415][  T445]  cgroup_apply_control_enable+0x8b9/0x12f0
[  366.552293][  T445]  cgroup_apply_control+0x93/0x710
[  366.557377][  T445]  ? css_next_child+0x160/0x160
[  366.562199][  T445]  ? stack_trace_save+0x12d/0x1f0
[  366.567197][  T445]  ? io_schedule+0x120/0x120
[  366.571780][  T445]  ? kernfs_fop_write_iter+0x15e/0x410
[  366.577215][  T445]  ? __kasan_check_write+0x14/0x20
[  366.582297][  T445]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  366.587554][  T445]  cgroup_subtree_control_write+0xd19/0x1310
[  366.593507][  T445]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  366.599461][  T445]  ? __kasan_check_write+0x14/0x20
[  366.604543][  T445]  ? _copy_from_iter+0x3fb/0xd60
[  366.609451][  T445]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  366.615409][  T445]  cgroup_file_write+0x28e/0x590
[  366.620319][  T445]  ? cgroup_seqfile_stop+0xc0/0xc0
[  366.625407][  T445]  ? mutex_lock+0xa6/0x110
[  366.629803][  T445]  ? mutex_trylock+0xb0/0xb0
[  366.634373][  T445]  ? __kasan_check_write+0x14/0x20
[  366.639457][  T445]  kernfs_fop_write_iter+0x2d0/0x410
[  366.644738][  T445]  ? cgroup_seqfile_stop+0xc0/0xc0
[  366.649822][  T445]  vfs_write+0xc1c/0xf40
[  366.654052][  T445]  ? slab_free_freelist_hook+0xcc/0x1a0
[  366.659660][  T445]  ? kernel_write+0x3c0/0x3c0
[  366.664333][  T445]  ? do_sys_openat2+0x397/0x470
[  366.669163][  T445]  ? __kasan_check_read+0x11/0x20
[  366.674161][  T445]  ? __fdget_pos+0x27e/0x310
[  366.678732][  T445]  ksys_write+0x198/0x2c0
[  366.683047][  T445]  ? __ia32_sys_read+0x90/0x90
[  366.687798][  T445]  ? debug_smp_processor_id+0x17/0x20
[  366.693142][  T445]  __x64_sys_write+0x7b/0x90
[  366.697702][  T445]  do_syscall_64+0x34/0x70
[  366.702092][  T445]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  366.708051][  T445] RIP: 0033:0x7efdb4cf77c9
[  366.712462][  T445] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  366.732038][  T445] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  366.740425][  T445] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  366.748376][  T445] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
executing program
[  366.756323][  T445] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  366.764271][  T445] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  366.772223][  T445] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000c
[  366.780333][  T445] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  366.828177][  T451] FAULT_INJECTION: forcing a failure.
[  366.828177][  T451] name failslab, interval 1, probability 0, space 0, times 0
[  366.840870][  T451] CPU: 1 PID: 451 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  366.851099][  T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  366.861138][  T451] Call Trace:
[  366.864406][  T451]  dump_stack_lvl+0x1e2/0x24b
[  366.869058][  T451]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  366.874493][  T451]  ? selinux_kernfs_init_security+0x1a8/0x760
[  366.880554][  T451]  dump_stack+0x15/0x17
[  366.884689][  T451]  should_fail+0x3c0/0x510
[  366.889097][  T451]  ? __kernfs_new_node+0x99/0x6e0
[  366.894097][  T451]  __should_failslab+0x9f/0xe0
[  366.898851][  T451]  should_failslab+0x9/0x20
[  366.903342][  T451]  __kmalloc_track_caller+0x5f/0x350
[  366.908602][  T451]  kstrdup_const+0x55/0x90
[  366.912990][  T451]  __kernfs_new_node+0x99/0x6e0
[  366.917832][  T451]  ? is_module_text_address+0xe1/0x140
[  366.923265][  T451]  ? kernfs_new_node+0x170/0x170
[  366.928176][  T451]  ? ptr_to_hashval+0x60/0x60
[  366.932830][  T451]  ? snprintf+0xd6/0x120
[  366.937046][  T451]  ? __kasan_check_write+0x14/0x20
[  366.942135][  T451]  ? mutex_unlock+0x1d/0x40
[  366.946618][  T451]  kernfs_new_node+0x97/0x170
[  366.951297][  T451]  __kernfs_create_file+0x4a/0x270
[  366.956385][  T451]  cgroup_addrm_files+0xab8/0xfe0
[  366.961386][  T451]  ? ____kasan_kmalloc+0xdc/0x110
[  366.966391][  T451]  ? __kasan_kmalloc+0x9/0x10
[  366.971054][  T451]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  366.976579][  T451]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  366.982718][  T451]  ? delete_node+0x759/0x7b0
[  366.987284][  T451]  ? __kasan_check_read+0x11/0x20
[  366.992289][  T451]  ? idr_replace+0x1c4/0x230
[  366.996856][  T451]  ? idr_get_next+0x4b0/0x4b0
[  367.001508][  T451]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  367.006504][  T451]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  367.011689][  T451]  css_populate_dir+0x137/0x370
[  367.016524][  T451]  cgroup_apply_control_enable+0x8b9/0x12f0
[  367.022397][  T451]  cgroup_apply_control+0x93/0x710
[  367.027486][  T451]  ? css_next_child+0x160/0x160
[  367.032315][  T451]  ? io_schedule+0x120/0x120
[  367.036891][  T451]  ? kernfs_fop_write_iter+0x15e/0x410
[  367.042334][  T451]  ? __kasan_check_write+0x14/0x20
[  367.047424][  T451]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  367.052690][  T451]  cgroup_subtree_control_write+0xd19/0x1310
[  367.058667][  T451]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  367.064627][  T451]  ? __kasan_check_write+0x14/0x20
[  367.069727][  T451]  ? _copy_from_iter+0x3fb/0xd60
[  367.074653][  T451]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  367.080609][  T451]  cgroup_file_write+0x28e/0x590
[  367.085547][  T451]  ? cgroup_seqfile_stop+0xc0/0xc0
[  367.090638][  T451]  ? mutex_lock+0xa6/0x110
[  367.095035][  T451]  ? mutex_trylock+0xb0/0xb0
[  367.099602][  T451]  ? __kasan_check_write+0x14/0x20
[  367.104690][  T451]  kernfs_fop_write_iter+0x2d0/0x410
[  367.109951][  T451]  ? cgroup_seqfile_stop+0xc0/0xc0
[  367.115040][  T451]  vfs_write+0xc1c/0xf40
[  367.119262][  T451]  ? kernel_write+0x3c0/0x3c0
[  367.123915][  T451]  ? do_sys_openat2+0x397/0x470
[  367.128755][  T451]  ? __kasan_check_read+0x11/0x20
[  367.133851][  T451]  ? __fdget_pos+0x27e/0x310
[  367.138426][  T451]  ksys_write+0x198/0x2c0
[  367.142731][  T451]  ? __ia32_sys_read+0x90/0x90
[  367.147480][  T451]  ? debug_smp_processor_id+0x17/0x20
[  367.152829][  T451]  __x64_sys_write+0x7b/0x90
[  367.157396][  T451]  do_syscall_64+0x34/0x70
[  367.161805][  T451]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  367.167671][  T451] RIP: 0033:0x7efdb4cf77c9
[  367.172061][  T451] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  367.191639][  T451] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  367.200042][  T451] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  367.208006][  T451] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  367.215959][  T451] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  367.223937][  T451] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  367.231896][  T451] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000a
[  367.241774][  T451] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  367.278019][  T450] FAULT_INJECTION: forcing a failure.
[  367.278019][  T450] name failslab, interval 1, probability 0, space 0, times 0
[  367.290702][  T450] CPU: 1 PID: 450 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  367.301024][  T450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  367.311055][  T450] Call Trace:
[  367.314326][  T450]  dump_stack_lvl+0x1e2/0x24b
[  367.318981][  T450]  ? panic+0x7d7/0x7d7
[  367.323124][  T450]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  367.328562][  T450]  ? selinux_kernfs_init_security+0x1a8/0x760
[  367.334603][  T450]  dump_stack+0x15/0x17
[  367.338734][  T450]  should_fail+0x3c0/0x510
[  367.343124][  T450]  __should_failslab+0x9f/0xe0
[  367.347860][  T450]  should_failslab+0x9/0x20
[  367.352337][  T450]  kmem_cache_alloc+0x3f/0x300
[  367.357074][  T450]  ? __kernfs_new_node+0xdb/0x6e0
[  367.362073][  T450]  __kernfs_new_node+0xdb/0x6e0
[  367.366989][  T450]  ? is_module_text_address+0xe1/0x140
[  367.372440][  T450]  ? kernfs_new_node+0x170/0x170
[  367.377352][  T450]  ? ptr_to_hashval+0x60/0x60
[  367.382007][  T450]  ? arch_stack_walk+0xf8/0x140
[  367.386831][  T450]  ? snprintf+0xd6/0x120
[  367.391045][  T450]  kernfs_new_node+0x97/0x170
[  367.395697][  T450]  __kernfs_create_file+0x4a/0x270
[  367.400782][  T450]  cgroup_addrm_files+0xab8/0xfe0
[  367.405779][  T450]  ? ____kasan_kmalloc+0xdc/0x110
[  367.410773][  T450]  ? __kasan_kmalloc+0x9/0x10
[  367.415425][  T450]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  367.420945][  T450]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  367.427073][  T450]  ? delete_node+0x759/0x7b0
[  367.431637][  T450]  ? __kasan_check_read+0x11/0x20
[  367.436655][  T450]  ? delete_node+0x759/0x7b0
[  367.441222][  T450]  ? __kasan_check_write+0x14/0x20
[  367.446306][  T450]  ? idr_replace+0x1c4/0x230
[  367.450872][  T450]  ? idr_get_next+0x4b0/0x4b0
[  367.455526][  T450]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  367.460524][  T450]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  367.465708][  T450]  css_populate_dir+0x137/0x370
[  367.470536][  T450]  cgroup_apply_control_enable+0x8b9/0x12f0
[  367.476400][  T450]  cgroup_apply_control+0x93/0x710
[  367.481484][  T450]  ? css_next_child+0x160/0x160
[  367.486306][  T450]  ? stack_trace_save+0x12d/0x1f0
[  367.491303][  T450]  ? io_schedule+0x120/0x120
[  367.495882][  T450]  ? kernfs_fop_write_iter+0x15e/0x410
[  367.501316][  T450]  ? __kasan_check_write+0x14/0x20
[  367.506402][  T450]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  367.511659][  T450]  cgroup_subtree_control_write+0xd19/0x1310
[  367.517611][  T450]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  367.523562][  T450]  ? __kasan_check_write+0x14/0x20
[  367.528653][  T450]  ? _copy_from_iter+0x3fb/0xd60
[  367.533571][  T450]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  367.539529][  T450]  cgroup_file_write+0x28e/0x590
[  367.544442][  T450]  ? cgroup_seqfile_stop+0xc0/0xc0
[  367.549528][  T450]  ? mutex_lock+0xa6/0x110
[  367.553932][  T450]  ? mutex_trylock+0xb0/0xb0
[  367.558505][  T450]  ? __kasan_check_write+0x14/0x20
[  367.563590][  T450]  kernfs_fop_write_iter+0x2d0/0x410
[  367.568857][  T450]  ? cgroup_seqfile_stop+0xc0/0xc0
[  367.573950][  T450]  vfs_write+0xc1c/0xf40
[  367.578166][  T450]  ? slab_free_freelist_hook+0xcc/0x1a0
[  367.583688][  T450]  ? kernel_write+0x3c0/0x3c0
[  367.588357][  T450]  ? do_sys_openat2+0x397/0x470
[  367.593185][  T450]  ? __kasan_check_read+0x11/0x20
[  367.598188][  T450]  ? __fdget_pos+0x27e/0x310
[  367.602757][  T450]  ksys_write+0x198/0x2c0
[  367.607066][  T450]  ? __ia32_sys_read+0x90/0x90
[  367.611806][  T450]  ? debug_smp_processor_id+0x17/0x20
[  367.617149][  T450]  __x64_sys_write+0x7b/0x90
[  367.621709][  T450]  do_syscall_64+0x34/0x70
[  367.626096][  T450]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  367.631958][  T450] RIP: 0033:0x7efdb4cf77c9
[  367.636347][  T450] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  367.655951][  T450] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  367.664344][  T450] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  367.672291][  T450] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  367.680236][  T450] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  367.688192][  T450] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  367.696136][  T450] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000008
[  367.704260][  T450] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  367.748165][  T457] FAULT_INJECTION: forcing a failure.
[  367.748165][  T457] name failslab, interval 1, probability 0, space 0, times 0
[  367.761095][  T457] CPU: 0 PID: 457 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  367.771308][  T457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  367.781338][  T457] Call Trace:
[  367.784606][  T457]  dump_stack_lvl+0x1e2/0x24b
[  367.789255][  T457]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  367.794687][  T457]  ? selinux_kernfs_init_security+0x1a8/0x760
[  367.800722][  T457]  dump_stack+0x15/0x17
[  367.804847][  T457]  should_fail+0x3c0/0x510
[  367.809239][  T457]  ? __kernfs_new_node+0x99/0x6e0
[  367.814236][  T457]  __should_failslab+0x9f/0xe0
[  367.818976][  T457]  should_failslab+0x9/0x20
[  367.823505][  T457]  __kmalloc_track_caller+0x5f/0x350
[  367.828768][  T457]  kstrdup_const+0x55/0x90
[  367.833153][  T457]  __kernfs_new_node+0x99/0x6e0
[  367.837973][  T457]  ? is_module_text_address+0xe1/0x140
[  367.843403][  T457]  ? kernfs_new_node+0x170/0x170
[  367.848313][  T457]  ? ptr_to_hashval+0x60/0x60
[  367.852968][  T457]  ? snprintf+0xd6/0x120
[  367.857185][  T457]  ? __kasan_check_write+0x14/0x20
[  367.862268][  T457]  ? mutex_unlock+0x1d/0x40
[  367.866741][  T457]  kernfs_new_node+0x97/0x170
[  367.871387][  T457]  __kernfs_create_file+0x4a/0x270
[  367.876466][  T457]  cgroup_addrm_files+0xab8/0xfe0
[  367.881461][  T457]  ? ____kasan_kmalloc+0xdc/0x110
[  367.886453][  T457]  ? __kasan_kmalloc+0x9/0x10
[  367.891102][  T457]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  367.896619][  T457]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  367.902887][  T457]  ? delete_node+0x759/0x7b0
[  367.907460][  T457]  ? __kasan_check_read+0x11/0x20
[  367.912465][  T457]  ? idr_replace+0x1c4/0x230
[  367.917035][  T457]  ? idr_get_next+0x4b0/0x4b0
[  367.921692][  T457]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  367.926700][  T457]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  367.931871][  T457]  css_populate_dir+0x137/0x370
[  367.936704][  T457]  cgroup_apply_control_enable+0x8b9/0x12f0
[  367.942585][  T457]  cgroup_apply_control+0x93/0x710
[  367.947673][  T457]  ? css_next_child+0x160/0x160
[  367.952502][  T457]  ? stack_trace_save+0x12d/0x1f0
[  367.957504][  T457]  ? io_schedule+0x120/0x120
[  367.962089][  T457]  ? kernfs_fop_write_iter+0x15e/0x410
[  367.967536][  T457]  ? __kasan_check_write+0x14/0x20
[  367.972633][  T457]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  367.977897][  T457]  cgroup_subtree_control_write+0xd19/0x1310
[  367.983863][  T457]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  367.989820][  T457]  ? __kasan_check_write+0x14/0x20
[  367.994906][  T457]  ? _copy_from_iter+0x3fb/0xd60
[  367.999817][  T457]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  368.005803][  T457]  cgroup_file_write+0x28e/0x590
[  368.010716][  T457]  ? cgroup_seqfile_stop+0xc0/0xc0
[  368.015804][  T457]  ? mutex_lock+0xa6/0x110
[  368.020194][  T457]  ? mutex_trylock+0xb0/0xb0
[  368.024770][  T457]  ? __kasan_check_write+0x14/0x20
[  368.029862][  T457]  kernfs_fop_write_iter+0x2d0/0x410
[  368.035126][  T457]  ? cgroup_seqfile_stop+0xc0/0xc0
[  368.040218][  T457]  vfs_write+0xc1c/0xf40
[  368.044443][  T457]  ? slab_free_freelist_hook+0xcc/0x1a0
[  368.049965][  T457]  ? kernel_write+0x3c0/0x3c0
[  368.054613][  T457]  ? do_sys_openat2+0x397/0x470
[  368.059435][  T457]  ? __kasan_check_read+0x11/0x20
[  368.064430][  T457]  ? __fdget_pos+0x27e/0x310
[  368.068998][  T457]  ksys_write+0x198/0x2c0
[  368.073300][  T457]  ? __ia32_sys_read+0x90/0x90
[  368.078034][  T457]  ? debug_smp_processor_id+0x17/0x20
[  368.083375][  T457]  __x64_sys_write+0x7b/0x90
[  368.087939][  T457]  do_syscall_64+0x34/0x70
[  368.092385][  T457]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  368.098266][  T457] RIP: 0033:0x7efdb4cf77c9
[  368.102657][  T457] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  368.122242][  T457] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  368.130630][  T457] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  368.138575][  T457] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  368.146524][  T457] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  368.154469][  T457] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  368.162513][  T457] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000b
[  368.170584][  T457] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  368.218253][  T452] FAULT_INJECTION: forcing a failure.
[  368.218253][  T452] name failslab, interval 1, probability 0, space 0, times 0
[  368.230993][  T452] CPU: 1 PID: 452 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  368.241201][  T452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  368.251234][  T452] Call Trace:
[  368.254502][  T452]  dump_stack_lvl+0x1e2/0x24b
[  368.259157][  T452]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  368.264589][  T452]  ? selinux_kernfs_init_security+0x1a8/0x760
[  368.270629][  T452]  dump_stack+0x15/0x17
[  368.274763][  T452]  should_fail+0x3c0/0x510
[  368.279166][  T452]  ? __kernfs_new_node+0x99/0x6e0
[  368.285251][  T452]  __should_failslab+0x9f/0xe0
[  368.290010][  T452]  should_failslab+0x9/0x20
[  368.294489][  T452]  __kmalloc_track_caller+0x5f/0x350
[  368.299748][  T452]  kstrdup_const+0x55/0x90
[  368.304146][  T452]  __kernfs_new_node+0x99/0x6e0
[  368.308974][  T452]  ? is_module_text_address+0xe1/0x140
[  368.314406][  T452]  ? kernfs_new_node+0x170/0x170
[  368.319327][  T452]  ? ptr_to_hashval+0x60/0x60
[  368.323978][  T452]  ? snprintf+0xd6/0x120
[  368.328194][  T452]  ? __kasan_check_write+0x14/0x20
[  368.333290][  T452]  ? mutex_unlock+0x1d/0x40
[  368.337772][  T452]  kernfs_new_node+0x97/0x170
[  368.342427][  T452]  __kernfs_create_file+0x4a/0x270
[  368.347509][  T452]  cgroup_addrm_files+0xab8/0xfe0
[  368.352521][  T452]  ? ____kasan_kmalloc+0xdc/0x110
[  368.357516][  T452]  ? __kasan_kmalloc+0x9/0x10
[  368.362164][  T452]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  368.367685][  T452]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  368.373810][  T452]  ? delete_node+0x759/0x7b0
[  368.378378][  T452]  ? __kasan_check_read+0x11/0x20
[  368.383385][  T452]  ? idr_replace+0x1c4/0x230
[  368.387946][  T452]  ? idr_get_next+0x4b0/0x4b0
[  368.392592][  T452]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  368.397585][  T452]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  368.402753][  T452]  css_populate_dir+0x137/0x370
[  368.407575][  T452]  cgroup_apply_control_enable+0x8b9/0x12f0
[  368.413439][  T452]  cgroup_apply_control+0x93/0x710
[  368.418609][  T452]  ? css_next_child+0x160/0x160
[  368.423434][  T452]  ? io_schedule+0x120/0x120
[  368.427996][  T452]  ? kernfs_fop_write_iter+0x15e/0x410
[  368.433425][  T452]  ? __kasan_check_write+0x14/0x20
[  368.438509][  T452]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  368.443763][  T452]  cgroup_subtree_control_write+0xd19/0x1310
[  368.449721][  T452]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  368.455671][  T452]  ? __kasan_check_write+0x14/0x20
[  368.460751][  T452]  ? _copy_from_iter+0x3fb/0xd60
[  368.465672][  T452]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  368.471621][  T452]  cgroup_file_write+0x28e/0x590
[  368.476538][  T452]  ? cgroup_seqfile_stop+0xc0/0xc0
[  368.481619][  T452]  ? mutex_lock+0xa6/0x110
[  368.486004][  T452]  ? mutex_trylock+0xb0/0xb0
[  368.490567][  T452]  ? __kasan_check_write+0x14/0x20
[  368.495657][  T452]  kernfs_fop_write_iter+0x2d0/0x410
[  368.500918][  T452]  ? cgroup_seqfile_stop+0xc0/0xc0
[  368.506001][  T452]  vfs_write+0xc1c/0xf40
[  368.510215][  T452]  ? kernel_write+0x3c0/0x3c0
[  368.514862][  T452]  ? do_sys_openat2+0x397/0x470
[  368.519686][  T452]  ? __kasan_check_read+0x11/0x20
[  368.524680][  T452]  ? __fdget_pos+0x27e/0x310
[  368.529239][  T452]  ksys_write+0x198/0x2c0
[  368.533541][  T452]  ? __ia32_sys_read+0x90/0x90
[  368.538277][  T452]  ? debug_smp_processor_id+0x17/0x20
[  368.543621][  T452]  __x64_sys_write+0x7b/0x90
[  368.548181][  T452]  do_syscall_64+0x34/0x70
[  368.552567][  T452]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  368.558441][  T452] RIP: 0033:0x7efdb4cf77c9
[  368.562830][  T452] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  368.582408][  T452] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  368.590792][  T452] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  368.598737][  T452] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  368.606679][  T452] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  368.614621][  T452] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  368.622563][  T452] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000e
[  368.630610][  T452] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  368.678146][  T446] FAULT_INJECTION: forcing a failure.
[  368.678146][  T446] name failslab, interval 1, probability 0, space 0, times 0
[  368.690809][  T446] CPU: 1 PID: 446 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  368.701022][  T446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  368.711048][  T446] Call Trace:
[  368.714312][  T446]  dump_stack_lvl+0x1e2/0x24b
[  368.718961][  T446]  ? panic+0x7d7/0x7d7
[  368.723002][  T446]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  368.728437][  T446]  ? selinux_kernfs_init_security+0x1a8/0x760
[  368.734479][  T446]  dump_stack+0x15/0x17
[  368.738609][  T446]  should_fail+0x3c0/0x510
[  368.742998][  T446]  __should_failslab+0x9f/0xe0
[  368.747738][  T446]  should_failslab+0x9/0x20
[  368.752216][  T446]  kmem_cache_alloc+0x3f/0x300
[  368.756955][  T446]  ? __kernfs_new_node+0xdb/0x6e0
[  368.761952][  T446]  __kernfs_new_node+0xdb/0x6e0
[  368.766779][  T446]  ? is_module_text_address+0xe1/0x140
[  368.772209][  T446]  ? kernfs_new_node+0x170/0x170
[  368.777121][  T446]  ? ptr_to_hashval+0x60/0x60
[  368.781770][  T446]  ? arch_stack_walk+0xf8/0x140
[  368.786593][  T446]  ? snprintf+0xd6/0x120
[  368.790829][  T446]  kernfs_new_node+0x97/0x170
[  368.795481][  T446]  __kernfs_create_file+0x4a/0x270
[  368.800565][  T446]  cgroup_addrm_files+0xab8/0xfe0
[  368.805564][  T446]  ? ____kasan_kmalloc+0xdc/0x110
[  368.810559][  T446]  ? __kasan_kmalloc+0x9/0x10
[  368.815211][  T446]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  368.820731][  T446]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  368.826867][  T446]  ? delete_node+0x759/0x7b0
[  368.831429][  T446]  ? __kasan_check_read+0x11/0x20
[  368.836436][  T446]  ? delete_node+0x759/0x7b0
[  368.841001][  T446]  ? __kasan_check_write+0x14/0x20
[  368.846107][  T446]  ? idr_replace+0x1c4/0x230
[  368.850670][  T446]  ? idr_get_next+0x4b0/0x4b0
[  368.855319][  T446]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  368.860490][  T446]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  368.865663][  T446]  css_populate_dir+0x137/0x370
[  368.870487][  T446]  cgroup_apply_control_enable+0x8b9/0x12f0
[  368.876360][  T446]  cgroup_apply_control+0x93/0x710
[  368.881444][  T446]  ? css_next_child+0x160/0x160
[  368.886269][  T446]  ? io_schedule+0x120/0x120
[  368.890834][  T446]  ? kernfs_fop_write_iter+0x15e/0x410
[  368.896270][  T446]  ? __kasan_check_write+0x14/0x20
[  368.901358][  T446]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  368.906618][  T446]  cgroup_subtree_control_write+0xd19/0x1310
[  368.912574][  T446]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  368.918526][  T446]  ? __kasan_check_write+0x14/0x20
[  368.923609][  T446]  ? _copy_from_iter+0x3fb/0xd60
[  368.928532][  T446]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  368.934489][  T446]  cgroup_file_write+0x28e/0x590
[  368.939414][  T446]  ? cgroup_seqfile_stop+0xc0/0xc0
[  368.944505][  T446]  ? mutex_lock+0xa6/0x110
[  368.948897][  T446]  ? mutex_trylock+0xb0/0xb0
[  368.953470][  T446]  ? __kasan_check_write+0x14/0x20
[  368.958565][  T446]  kernfs_fop_write_iter+0x2d0/0x410
[  368.963836][  T446]  ? cgroup_seqfile_stop+0xc0/0xc0
[  368.968928][  T446]  vfs_write+0xc1c/0xf40
[  368.973150][  T446]  ? kernel_write+0x3c0/0x3c0
[  368.977818][  T446]  ? do_sys_openat2+0x397/0x470
[  368.982652][  T446]  ? __kasan_check_read+0x11/0x20
[  368.987652][  T446]  ? __fdget_pos+0x27e/0x310
[  368.992235][  T446]  ksys_write+0x198/0x2c0
[  368.996545][  T446]  ? __ia32_sys_read+0x90/0x90
[  369.001286][  T446]  ? debug_smp_processor_id+0x17/0x20
[  369.006643][  T446]  __x64_sys_write+0x7b/0x90
[  369.011216][  T446]  do_syscall_64+0x34/0x70
[  369.015613][  T446]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  369.021494][  T446] RIP: 0033:0x7efdb4cf77c9
[  369.025902][  T446] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  369.045495][  T446] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  369.053890][  T446] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  369.061840][  T446] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  369.069788][  T446] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
executing program
[  369.077740][  T446] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  369.085689][  T446] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000e
[  369.093778][  T446] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  369.138345][  T461] FAULT_INJECTION: forcing a failure.
[  369.138345][  T461] name failslab, interval 1, probability 0, space 0, times 0
[  369.150951][  T461] CPU: 1 PID: 461 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  369.161164][  T461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  369.171196][  T461] Call Trace:
[  369.174464][  T461]  dump_stack_lvl+0x1e2/0x24b
[  369.179112][  T461]  ? panic+0x7d7/0x7d7
[  369.183245][  T461]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  369.188677][  T461]  ? selinux_kernfs_init_security+0x1a8/0x760
[  369.194715][  T461]  dump_stack+0x15/0x17
[  369.198864][  T461]  should_fail+0x3c0/0x510
[  369.203254][  T461]  __should_failslab+0x9f/0xe0
[  369.207993][  T461]  should_failslab+0x9/0x20
[  369.212468][  T461]  kmem_cache_alloc+0x3f/0x300
[  369.217209][  T461]  ? __kernfs_new_node+0xdb/0x6e0
[  369.222213][  T461]  __kernfs_new_node+0xdb/0x6e0
[  369.227045][  T461]  ? is_module_text_address+0xe1/0x140
[  369.232494][  T461]  ? kernfs_new_node+0x170/0x170
[  369.237412][  T461]  ? ptr_to_hashval+0x60/0x60
[  369.242060][  T461]  ? arch_stack_walk+0xf8/0x140
[  369.246979][  T461]  ? snprintf+0xd6/0x120
[  369.251194][  T461]  kernfs_new_node+0x97/0x170
[  369.255844][  T461]  __kernfs_create_file+0x4a/0x270
[  369.260933][  T461]  cgroup_addrm_files+0xab8/0xfe0
[  369.265938][  T461]  ? ____kasan_kmalloc+0xdc/0x110
[  369.270931][  T461]  ? __kasan_kmalloc+0x9/0x10
[  369.275582][  T461]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  369.281097][  T461]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  369.287235][  T461]  ? delete_node+0x759/0x7b0
[  369.291799][  T461]  ? __kasan_check_read+0x11/0x20
[  369.296794][  T461]  ? delete_node+0x759/0x7b0
[  369.301361][  T461]  ? __kasan_check_write+0x14/0x20
[  369.306453][  T461]  ? idr_replace+0x1c4/0x230
[  369.311013][  T461]  ? idr_get_next+0x4b0/0x4b0
[  369.315663][  T461]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  369.320659][  T461]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  369.325841][  T461]  css_populate_dir+0x137/0x370
[  369.330663][  T461]  cgroup_apply_control_enable+0x8b9/0x12f0
[  369.336527][  T461]  cgroup_apply_control+0x93/0x710
[  369.341645][  T461]  ? css_next_child+0x160/0x160
[  369.346465][  T461]  ? stack_trace_save+0x12d/0x1f0
[  369.351460][  T461]  ? io_schedule+0x120/0x120
[  369.356027][  T461]  ? kernfs_fop_write_iter+0x15e/0x410
[  369.361465][  T461]  ? __kasan_check_write+0x14/0x20
[  369.366557][  T461]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  369.371820][  T461]  cgroup_subtree_control_write+0xd19/0x1310
[  369.377776][  T461]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  369.383728][  T461]  ? __kasan_check_write+0x14/0x20
[  369.388826][  T461]  ? _copy_from_iter+0x3fb/0xd60
[  369.393744][  T461]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  369.399695][  T461]  cgroup_file_write+0x28e/0x590
[  369.404602][  T461]  ? cgroup_seqfile_stop+0xc0/0xc0
[  369.409698][  T461]  ? mutex_lock+0xa6/0x110
[  369.414092][  T461]  ? mutex_trylock+0xb0/0xb0
[  369.418666][  T461]  ? __kasan_check_write+0x14/0x20
[  369.423748][  T461]  kernfs_fop_write_iter+0x2d0/0x410
[  369.429005][  T461]  ? cgroup_seqfile_stop+0xc0/0xc0
[  369.434089][  T461]  vfs_write+0xc1c/0xf40
[  369.438302][  T461]  ? slab_free_freelist_hook+0xcc/0x1a0
[  369.443820][  T461]  ? kernel_write+0x3c0/0x3c0
[  369.448471][  T461]  ? do_sys_openat2+0x397/0x470
[  369.453299][  T461]  ? __kasan_check_read+0x11/0x20
[  369.458310][  T461]  ? __fdget_pos+0x27e/0x310
[  369.462871][  T461]  ksys_write+0x198/0x2c0
[  369.467171][  T461]  ? __ia32_sys_read+0x90/0x90
[  369.471904][  T461]  ? debug_smp_processor_id+0x17/0x20
[  369.477248][  T461]  __x64_sys_write+0x7b/0x90
[  369.481819][  T461]  do_syscall_64+0x34/0x70
[  369.486234][  T461]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  369.492103][  T461] RIP: 0033:0x7efdb4cf77c9
[  369.496490][  T461] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  369.516066][  T461] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  369.524457][  T461] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  369.532411][  T461] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  369.540355][  T461] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  369.548320][  T461] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  369.556265][  T461] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000f
[  369.564277][  T461] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  369.608101][  T460] FAULT_INJECTION: forcing a failure.
[  369.608101][  T460] name failslab, interval 1, probability 0, space 0, times 0
[  369.620769][  T460] CPU: 1 PID: 460 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  369.630983][  T460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  369.641013][  T460] Call Trace:
[  369.644284][  T460]  dump_stack_lvl+0x1e2/0x24b
[  369.648939][  T460]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  369.654386][  T460]  ? selinux_kernfs_init_security+0x1a8/0x760
[  369.660432][  T460]  dump_stack+0x15/0x17
[  369.664569][  T460]  should_fail+0x3c0/0x510
[  369.668967][  T460]  ? __kernfs_new_node+0x99/0x6e0
[  369.673974][  T460]  __should_failslab+0x9f/0xe0
[  369.678718][  T460]  should_failslab+0x9/0x20
[  369.683201][  T460]  __kmalloc_track_caller+0x5f/0x350
[  369.688469][  T460]  kstrdup_const+0x55/0x90
[  369.692860][  T460]  __kernfs_new_node+0x99/0x6e0
[  369.697688][  T460]  ? is_module_text_address+0xe1/0x140
[  369.703121][  T460]  ? kernfs_new_node+0x170/0x170
[  369.708033][  T460]  ? ptr_to_hashval+0x60/0x60
[  369.712686][  T460]  ? snprintf+0xd6/0x120
[  369.716904][  T460]  ? __kasan_check_write+0x14/0x20
[  369.721992][  T460]  ? mutex_unlock+0x1d/0x40
[  369.726470][  T460]  kernfs_new_node+0x97/0x170
[  369.731121][  T460]  __kernfs_create_file+0x4a/0x270
[  369.736212][  T460]  cgroup_addrm_files+0xab8/0xfe0
[  369.741212][  T460]  ? ____kasan_kmalloc+0xdc/0x110
[  369.746216][  T460]  ? __kasan_kmalloc+0x9/0x10
[  369.750868][  T460]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  369.756386][  T460]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  369.762511][  T460]  ? delete_node+0x759/0x7b0
[  369.767073][  T460]  ? __kasan_check_read+0x11/0x20
[  369.772076][  T460]  ? idr_replace+0x1c4/0x230
[  369.776640][  T460]  ? idr_get_next+0x4b0/0x4b0
[  369.781287][  T460]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  369.786284][  T460]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  369.791454][  T460]  css_populate_dir+0x137/0x370
[  369.796279][  T460]  cgroup_apply_control_enable+0x8b9/0x12f0
[  369.802147][  T460]  cgroup_apply_control+0x93/0x710
[  369.807231][  T460]  ? css_next_child+0x160/0x160
[  369.812052][  T460]  ? stack_trace_save+0x12d/0x1f0
[  369.817048][  T460]  ? io_schedule+0x120/0x120
[  369.821612][  T460]  ? kernfs_fop_write_iter+0x15e/0x410
[  369.827045][  T460]  ? __kasan_check_write+0x14/0x20
[  369.832131][  T460]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  369.837389][  T460]  cgroup_subtree_control_write+0xd19/0x1310
[  369.843341][  T460]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  369.849292][  T460]  ? __kasan_check_write+0x14/0x20
[  369.854375][  T460]  ? _copy_from_iter+0x3fb/0xd60
[  369.859285][  T460]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  369.865236][  T460]  cgroup_file_write+0x28e/0x590
[  369.870145][  T460]  ? cgroup_seqfile_stop+0xc0/0xc0
[  369.875228][  T460]  ? mutex_lock+0xa6/0x110
[  369.879619][  T460]  ? mutex_trylock+0xb0/0xb0
[  369.884198][  T460]  ? __kasan_check_write+0x14/0x20
[  369.889282][  T460]  kernfs_fop_write_iter+0x2d0/0x410
[  369.894539][  T460]  ? cgroup_seqfile_stop+0xc0/0xc0
[  369.899622][  T460]  vfs_write+0xc1c/0xf40
[  369.903840][  T460]  ? slab_free_freelist_hook+0xcc/0x1a0
[  369.909360][  T460]  ? kernel_write+0x3c0/0x3c0
[  369.914010][  T460]  ? do_sys_openat2+0x397/0x470
[  369.918837][  T460]  ? __kasan_check_read+0x11/0x20
[  369.923834][  T460]  ? __fdget_pos+0x27e/0x310
[  369.928399][  T460]  ksys_write+0x198/0x2c0
[  369.932703][  T460]  ? __ia32_sys_read+0x90/0x90
[  369.937441][  T460]  ? debug_smp_processor_id+0x17/0x20
[  369.942784][  T460]  __x64_sys_write+0x7b/0x90
[  369.947349][  T460]  do_syscall_64+0x34/0x70
[  369.951740][  T460]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  369.957603][  T460] RIP: 0033:0x7efdb4cf77c9
[  369.961997][  T460] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  369.981574][  T460] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  369.989961][  T460] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  369.997907][  T460] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  370.005861][  T460] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  370.013808][  T460] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  370.021752][  T460] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000f
[  370.029837][  T460] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  370.067947][  T455] FAULT_INJECTION: forcing a failure.
[  370.067947][  T455] name failslab, interval 1, probability 0, space 0, times 0
[  370.080660][  T455] CPU: 0 PID: 455 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  370.090882][  T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  370.100916][  T455] Call Trace:
[  370.104182][  T455]  dump_stack_lvl+0x1e2/0x24b
[  370.108830][  T455]  ? panic+0x7d7/0x7d7
[  370.112872][  T455]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  370.118303][  T455]  ? selinux_kernfs_init_security+0x1a8/0x760
[  370.124342][  T455]  dump_stack+0x15/0x17
[  370.128469][  T455]  should_fail+0x3c0/0x510
[  370.132856][  T455]  __should_failslab+0x9f/0xe0
[  370.137590][  T455]  should_failslab+0x9/0x20
[  370.142066][  T455]  kmem_cache_alloc+0x3f/0x300
[  370.146800][  T455]  ? __kernfs_new_node+0xdb/0x6e0
[  370.151797][  T455]  __kernfs_new_node+0xdb/0x6e0
[  370.156622][  T455]  ? is_module_text_address+0xe1/0x140
[  370.162049][  T455]  ? kernfs_new_node+0x170/0x170
[  370.166955][  T455]  ? ptr_to_hashval+0x60/0x60
[  370.171605][  T455]  ? arch_stack_walk+0xf8/0x140
[  370.176427][  T455]  ? snprintf+0xd6/0x120
[  370.180642][  T455]  kernfs_new_node+0x97/0x170
[  370.185288][  T455]  __kernfs_create_file+0x4a/0x270
[  370.190368][  T455]  cgroup_addrm_files+0xab8/0xfe0
[  370.195363][  T455]  ? ____kasan_kmalloc+0xdc/0x110
[  370.200357][  T455]  ? __kasan_kmalloc+0x9/0x10
[  370.205002][  T455]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  370.210534][  T455]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  370.216659][  T455]  ? delete_node+0x759/0x7b0
[  370.221218][  T455]  ? __kasan_check_read+0x11/0x20
[  370.226210][  T455]  ? delete_node+0x759/0x7b0
[  370.230773][  T455]  ? __kasan_check_write+0x14/0x20
[  370.235857][  T455]  ? idr_replace+0x1c4/0x230
[  370.240419][  T455]  ? idr_get_next+0x4b0/0x4b0
[  370.245162][  T455]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  370.250166][  T455]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  370.255338][  T455]  css_populate_dir+0x137/0x370
[  370.260161][  T455]  cgroup_apply_control_enable+0x8b9/0x12f0
[  370.266024][  T455]  cgroup_apply_control+0x93/0x710
[  370.271112][  T455]  ? css_next_child+0x160/0x160
[  370.275956][  T455]  ? stack_trace_save+0x12d/0x1f0
[  370.280961][  T455]  ? io_schedule+0x120/0x120
[  370.285524][  T455]  ? kernfs_fop_write_iter+0x15e/0x410
[  370.290981][  T455]  ? __kasan_check_write+0x14/0x20
[  370.296065][  T455]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  370.301320][  T455]  cgroup_subtree_control_write+0xd19/0x1310
[  370.307274][  T455]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  370.313227][  T455]  ? __kasan_check_write+0x14/0x20
[  370.318306][  T455]  ? _copy_from_iter+0x3fb/0xd60
[  370.323216][  T455]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  370.329180][  T455]  cgroup_file_write+0x28e/0x590
[  370.334087][  T455]  ? cgroup_seqfile_stop+0xc0/0xc0
[  370.339187][  T455]  ? mutex_lock+0xa6/0x110
[  370.343590][  T455]  ? mutex_trylock+0xb0/0xb0
[  370.348159][  T455]  ? __kasan_check_write+0x14/0x20
[  370.353241][  T455]  kernfs_fop_write_iter+0x2d0/0x410
[  370.358505][  T455]  ? cgroup_seqfile_stop+0xc0/0xc0
[  370.363587][  T455]  vfs_write+0xc1c/0xf40
[  370.367799][  T455]  ? slab_free_freelist_hook+0xcc/0x1a0
[  370.373314][  T455]  ? kernel_write+0x3c0/0x3c0
[  370.377975][  T455]  ? do_sys_openat2+0x397/0x470
[  370.382802][  T455]  ? __kasan_check_read+0x11/0x20
[  370.387796][  T455]  ? __fdget_pos+0x27e/0x310
[  370.392360][  T455]  ksys_write+0x198/0x2c0
[  370.396662][  T455]  ? __ia32_sys_read+0x90/0x90
[  370.401404][  T455]  ? debug_smp_processor_id+0x17/0x20
[  370.406755][  T455]  __x64_sys_write+0x7b/0x90
[  370.411318][  T455]  do_syscall_64+0x34/0x70
[  370.415709][  T455]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  370.421569][  T455] RIP: 0033:0x7efdb4cf77c9
[  370.425958][  T455] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  370.445536][  T455] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  370.453924][  T455] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  370.461868][  T455] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  370.469825][  T455] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  370.477775][  T455] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  370.485727][  T455] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000d
[  370.493816][  T455] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  370.528216][  T458] FAULT_INJECTION: forcing a failure.
[  370.528216][  T458] name failslab, interval 1, probability 0, space 0, times 0
[  370.540996][  T458] CPU: 0 PID: 458 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  370.551222][  T458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  370.561264][  T458] Call Trace:
[  370.564537][  T458]  dump_stack_lvl+0x1e2/0x24b
[  370.569322][  T458]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  370.574770][  T458]  ? selinux_kernfs_init_security+0x1a8/0x760
[  370.580833][  T458]  dump_stack+0x15/0x17
[  370.584981][  T458]  should_fail+0x3c0/0x510
[  370.589377][  T458]  ? __kernfs_new_node+0x99/0x6e0
[  370.594381][  T458]  __should_failslab+0x9f/0xe0
[  370.599120][  T458]  should_failslab+0x9/0x20
[  370.603597][  T458]  __kmalloc_track_caller+0x5f/0x350
[  370.608872][  T458]  kstrdup_const+0x55/0x90
[  370.613263][  T458]  __kernfs_new_node+0x99/0x6e0
[  370.618088][  T458]  ? is_module_text_address+0xe1/0x140
[  370.623525][  T458]  ? kernfs_new_node+0x170/0x170
[  370.628439][  T458]  ? ptr_to_hashval+0x60/0x60
[  370.633138][  T458]  ? snprintf+0xd6/0x120
[  370.637355][  T458]  ? __kasan_check_write+0x14/0x20
[  370.642440][  T458]  ? mutex_unlock+0x1d/0x40
[  370.646927][  T458]  kernfs_new_node+0x97/0x170
[  370.651598][  T458]  __kernfs_create_file+0x4a/0x270
[  370.656682][  T458]  cgroup_addrm_files+0xab8/0xfe0
[  370.661682][  T458]  ? ____kasan_kmalloc+0xdc/0x110
[  370.666679][  T458]  ? __kasan_kmalloc+0x9/0x10
[  370.671334][  T458]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  370.676854][  T458]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  370.682979][  T458]  ? delete_node+0x759/0x7b0
[  370.687543][  T458]  ? __kasan_check_read+0x11/0x20
[  370.692555][  T458]  ? idr_replace+0x1c4/0x230
[  370.697117][  T458]  ? idr_get_next+0x4b0/0x4b0
[  370.701768][  T458]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  370.706764][  T458]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  370.711936][  T458]  css_populate_dir+0x137/0x370
[  370.716764][  T458]  cgroup_apply_control_enable+0x8b9/0x12f0
[  370.722633][  T458]  cgroup_apply_control+0x93/0x710
[  370.727719][  T458]  ? css_next_child+0x160/0x160
[  370.732549][  T458]  ? stack_trace_save+0x12d/0x1f0
[  370.737551][  T458]  ? io_schedule+0x120/0x120
[  370.742116][  T458]  ? kernfs_fop_write_iter+0x15e/0x410
[  370.747558][  T458]  ? __kasan_check_write+0x14/0x20
[  370.752645][  T458]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  370.757903][  T458]  cgroup_subtree_control_write+0xd19/0x1310
[  370.763854][  T458]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  370.769805][  T458]  ? __kasan_check_write+0x14/0x20
[  370.774889][  T458]  ? _copy_from_iter+0x3fb/0xd60
[  370.779800][  T458]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  370.785751][  T458]  cgroup_file_write+0x28e/0x590
[  370.790661][  T458]  ? cgroup_seqfile_stop+0xc0/0xc0
[  370.795745][  T458]  ? mutex_lock+0xa6/0x110
[  370.800146][  T458]  ? mutex_trylock+0xb0/0xb0
[  370.804709][  T458]  ? __kasan_check_write+0x14/0x20
[  370.809793][  T458]  kernfs_fop_write_iter+0x2d0/0x410
[  370.815049][  T458]  ? cgroup_seqfile_stop+0xc0/0xc0
[  370.820134][  T458]  vfs_write+0xc1c/0xf40
[  370.824349][  T458]  ? slab_free_freelist_hook+0xcc/0x1a0
[  370.829870][  T458]  ? kernel_write+0x3c0/0x3c0
[  370.834523][  T458]  ? do_sys_openat2+0x397/0x470
[  370.839352][  T458]  ? __kasan_check_read+0x11/0x20
[  370.844350][  T458]  ? __fdget_pos+0x27e/0x310
[  370.848913][  T458]  ksys_write+0x198/0x2c0
[  370.853305][  T458]  ? __ia32_sys_read+0x90/0x90
[  370.858055][  T458]  ? debug_smp_processor_id+0x17/0x20
[  370.863407][  T458]  __x64_sys_write+0x7b/0x90
[  370.867973][  T458]  do_syscall_64+0x34/0x70
[  370.872368][  T458]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  370.878236][  T458] RIP: 0033:0x7efdb4cf77c9
[  370.882653][  T458] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  370.902250][  T458] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  370.910641][  T458] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  370.918673][  T458] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  370.926621][  T458] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  370.934567][  T458] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  370.942513][  T458] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000009
[  370.950914][  T458] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  370.988081][  T459] FAULT_INJECTION: forcing a failure.
[  370.988081][  T459] name failslab, interval 1, probability 0, space 0, times 0
[  371.000708][  T459] CPU: 0 PID: 459 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  371.010922][  T459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  371.021152][  T459] Call Trace:
[  371.024426][  T459]  dump_stack_lvl+0x1e2/0x24b
[  371.029091][  T459]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  371.034540][  T459]  ? stack_trace_save+0x1f0/0x1f0
[  371.039558][  T459]  ? arch_stack_walk+0x106/0x140
[  371.044485][  T459]  dump_stack+0x15/0x17
[  371.048618][  T459]  should_fail+0x3c0/0x510
[  371.053009][  T459]  ? __kernfs_new_node+0x99/0x6e0
[  371.058013][  T459]  __should_failslab+0x9f/0xe0
[  371.062753][  T459]  should_failslab+0x9/0x20
[  371.067235][  T459]  __kmalloc_track_caller+0x5f/0x350
[  371.072500][  T459]  kstrdup_const+0x55/0x90
[  371.076934][  T459]  __kernfs_new_node+0x99/0x6e0
[  371.081781][  T459]  ? is_module_text_address+0xe1/0x140
[  371.087233][  T459]  ? kernfs_new_node+0x170/0x170
[  371.092163][  T459]  ? ptr_to_hashval+0x60/0x60
[  371.096836][  T459]  ? arch_stack_walk+0xf8/0x140
[  371.101681][  T459]  ? snprintf+0xd6/0x120
[  371.105911][  T459]  kernfs_new_node+0x97/0x170
[  371.110575][  T459]  __kernfs_create_file+0x4a/0x270
[  371.115666][  T459]  cgroup_addrm_files+0xab8/0xfe0
[  371.120678][  T459]  ? ____kasan_kmalloc+0xdc/0x110
[  371.125682][  T459]  ? __kasan_kmalloc+0x9/0x10
[  371.130339][  T459]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  371.135862][  T459]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  371.142090][  T459]  ? delete_node+0x759/0x7b0
[  371.146663][  T459]  ? __kasan_check_read+0x11/0x20
[  371.151685][  T459]  ? delete_node+0x759/0x7b0
[  371.156252][  T459]  ? __kasan_check_write+0x14/0x20
[  371.161349][  T459]  ? idr_replace+0x1c4/0x230
[  371.165930][  T459]  ? idr_get_next+0x4b0/0x4b0
[  371.170601][  T459]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  371.175600][  T459]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  371.180774][  T459]  css_populate_dir+0x137/0x370
[  371.185603][  T459]  cgroup_apply_control_enable+0x8b9/0x12f0
[  371.191474][  T459]  cgroup_apply_control+0x93/0x710
[  371.196566][  T459]  ? css_next_child+0x160/0x160
[  371.201393][  T459]  ? stack_trace_save+0x12d/0x1f0
[  371.206401][  T459]  ? io_schedule+0x120/0x120
[  371.210965][  T459]  ? kernfs_fop_write_iter+0x15e/0x410
[  371.216395][  T459]  ? __kasan_check_write+0x14/0x20
[  371.221480][  T459]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  371.226736][  T459]  cgroup_subtree_control_write+0xd19/0x1310
[  371.232693][  T459]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  371.238646][  T459]  ? __kasan_check_write+0x14/0x20
[  371.243728][  T459]  ? _copy_from_iter+0x3fb/0xd60
[  371.248638][  T459]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  371.254588][  T459]  cgroup_file_write+0x28e/0x590
[  371.259498][  T459]  ? cgroup_seqfile_stop+0xc0/0xc0
[  371.264578][  T459]  ? mutex_lock+0xa6/0x110
[  371.268966][  T459]  ? mutex_trylock+0xb0/0xb0
[  371.273529][  T459]  ? __kasan_check_write+0x14/0x20
[  371.278618][  T459]  kernfs_fop_write_iter+0x2d0/0x410
[  371.283877][  T459]  ? cgroup_seqfile_stop+0xc0/0xc0
[  371.288957][  T459]  vfs_write+0xc1c/0xf40
[  371.293171][  T459]  ? slab_free_freelist_hook+0xcc/0x1a0
[  371.298690][  T459]  ? kernel_write+0x3c0/0x3c0
[  371.303338][  T459]  ? do_sys_openat2+0x397/0x470
[  371.308169][  T459]  ? __kasan_check_read+0x11/0x20
[  371.313173][  T459]  ? __fdget_pos+0x27e/0x310
[  371.317740][  T459]  ksys_write+0x198/0x2c0
[  371.322047][  T459]  ? __ia32_sys_read+0x90/0x90
[  371.326792][  T459]  ? debug_smp_processor_id+0x17/0x20
[  371.332141][  T459]  __x64_sys_write+0x7b/0x90
[  371.336702][  T459]  do_syscall_64+0x34/0x70
[  371.341094][  T459]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  371.346958][  T459] RIP: 0033:0x7efdb4cf77c9
[  371.351347][  T459] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  371.370926][  T459] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  371.379319][  T459] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  371.387276][  T459] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  371.395223][  T459] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  371.403167][  T459] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  371.411117][  T459] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000c
[  371.420614][  T459] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  371.468303][  T464] FAULT_INJECTION: forcing a failure.
[  371.468303][  T464] name failslab, interval 1, probability 0, space 0, times 0
[  371.481027][  T464] CPU: 0 PID: 464 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  371.491252][  T464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  371.501302][  T464] Call Trace:
[  371.504588][  T464]  dump_stack_lvl+0x1e2/0x24b
[  371.509594][  T464]  ? panic+0x7d7/0x7d7
[  371.513646][  T464]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  371.519081][  T464]  ? selinux_kernfs_init_security+0x1a8/0x760
[  371.525125][  T464]  dump_stack+0x15/0x17
[  371.529256][  T464]  should_fail+0x3c0/0x510
[  371.533646][  T464]  __should_failslab+0x9f/0xe0
[  371.538387][  T464]  should_failslab+0x9/0x20
[  371.543210][  T464]  kmem_cache_alloc+0x3f/0x300
[  371.547954][  T464]  ? __kernfs_new_node+0xdb/0x6e0
[  371.552951][  T464]  __kernfs_new_node+0xdb/0x6e0
[  371.557776][  T464]  ? is_module_text_address+0xe1/0x140
[  371.563204][  T464]  ? kernfs_new_node+0x170/0x170
[  371.568120][  T464]  ? ptr_to_hashval+0x60/0x60
[  371.572769][  T464]  ? arch_stack_walk+0xf8/0x140
[  371.577602][  T464]  ? snprintf+0xd6/0x120
[  371.581823][  T464]  kernfs_new_node+0x97/0x170
[  371.586486][  T464]  __kernfs_create_file+0x4a/0x270
[  371.591573][  T464]  cgroup_addrm_files+0xab8/0xfe0
[  371.596576][  T464]  ? ____kasan_kmalloc+0xdc/0x110
[  371.601570][  T464]  ? __kasan_kmalloc+0x9/0x10
[  371.606221][  T464]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  371.611742][  T464]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  371.617864][  T464]  ? delete_node+0x759/0x7b0
[  371.622439][  T464]  ? __kasan_check_read+0x11/0x20
[  371.627439][  T464]  ? delete_node+0x759/0x7b0
[  371.632102][  T464]  ? __kasan_check_write+0x14/0x20
[  371.637190][  T464]  ? idr_replace+0x1c4/0x230
[  371.641751][  T464]  ? idr_get_next+0x4b0/0x4b0
[  371.646402][  T464]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  371.651407][  T464]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  371.656581][  T464]  css_populate_dir+0x137/0x370
[  371.661405][  T464]  cgroup_apply_control_enable+0x8b9/0x12f0
[  371.667291][  T464]  cgroup_apply_control+0x93/0x710
[  371.672391][  T464]  ? css_next_child+0x160/0x160
[  371.677214][  T464]  ? stack_trace_save+0x12d/0x1f0
[  371.682212][  T464]  ? io_schedule+0x120/0x120
[  371.686774][  T464]  ? kernfs_fop_write_iter+0x15e/0x410
[  371.692204][  T464]  ? __kasan_check_write+0x14/0x20
[  371.697290][  T464]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  371.702566][  T464]  cgroup_subtree_control_write+0xd19/0x1310
[  371.708546][  T464]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  371.714502][  T464]  ? __kasan_check_write+0x14/0x20
[  371.719596][  T464]  ? _copy_from_iter+0x3fb/0xd60
[  371.724510][  T464]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  371.730459][  T464]  cgroup_file_write+0x28e/0x590
[  371.735366][  T464]  ? cgroup_seqfile_stop+0xc0/0xc0
[  371.740448][  T464]  ? mutex_lock+0xa6/0x110
[  371.744847][  T464]  ? mutex_trylock+0xb0/0xb0
[  371.749416][  T464]  ? __kasan_check_write+0x14/0x20
[  371.754502][  T464]  kernfs_fop_write_iter+0x2d0/0x410
[  371.759760][  T464]  ? cgroup_seqfile_stop+0xc0/0xc0
[  371.764844][  T464]  vfs_write+0xc1c/0xf40
[  371.769072][  T464]  ? slab_free_freelist_hook+0xcc/0x1a0
[  371.774593][  T464]  ? kernel_write+0x3c0/0x3c0
[  371.779242][  T464]  ? do_sys_openat2+0x397/0x470
[  371.784078][  T464]  ? __kasan_check_read+0x11/0x20
[  371.789072][  T464]  ? __fdget_pos+0x27e/0x310
[  371.793634][  T464]  ksys_write+0x198/0x2c0
[  371.797936][  T464]  ? __ia32_sys_read+0x90/0x90
[  371.802672][  T464]  ? debug_smp_processor_id+0x17/0x20
[  371.808021][  T464]  __x64_sys_write+0x7b/0x90
[  371.812582][  T464]  do_syscall_64+0x34/0x70
[  371.816986][  T464]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  371.822858][  T464] RIP: 0033:0x7efdb4cf77c9
[  371.827280][  T464] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  371.846856][  T464] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  371.855246][  T464] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  371.863199][  T464] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  371.871142][  T464] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  371.879098][  T464] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  371.887042][  T464] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000e
[  371.896056][  T464] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  371.948237][  T467] FAULT_INJECTION: forcing a failure.
[  371.948237][  T467] name failslab, interval 1, probability 0, space 0, times 0
[  371.960931][  T467] CPU: 1 PID: 467 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  371.971160][  T467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  371.981190][  T467] Call Trace:
[  371.984458][  T467]  dump_stack_lvl+0x1e2/0x24b
[  371.989118][  T467]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  371.994552][  T467]  ? selinux_kernfs_init_security+0x1a8/0x760
[  372.000594][  T467]  dump_stack+0x15/0x17
[  372.004721][  T467]  should_fail+0x3c0/0x510
[  372.009108][  T467]  ? __kernfs_new_node+0x99/0x6e0
[  372.014103][  T467]  __should_failslab+0x9f/0xe0
[  372.018837][  T467]  should_failslab+0x9/0x20
[  372.023313][  T467]  __kmalloc_track_caller+0x5f/0x350
[  372.028570][  T467]  kstrdup_const+0x55/0x90
[  372.032956][  T467]  __kernfs_new_node+0x99/0x6e0
[  372.037779][  T467]  ? is_module_text_address+0xe1/0x140
[  372.043219][  T467]  ? kernfs_new_node+0x170/0x170
[  372.048138][  T467]  ? ptr_to_hashval+0x60/0x60
[  372.052789][  T467]  ? snprintf+0xd6/0x120
[  372.057014][  T467]  ? __kasan_check_write+0x14/0x20
[  372.062113][  T467]  ? mutex_unlock+0x1d/0x40
[  372.066594][  T467]  kernfs_new_node+0x97/0x170
[  372.071248][  T467]  __kernfs_create_file+0x4a/0x270
[  372.076335][  T467]  cgroup_addrm_files+0xab8/0xfe0
[  372.081328][  T467]  ? ____kasan_kmalloc+0xdc/0x110
[  372.086320][  T467]  ? __kasan_kmalloc+0x9/0x10
[  372.090968][  T467]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  372.096485][  T467]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  372.102611][  T467]  ? delete_node+0x759/0x7b0
[  372.107175][  T467]  ? __kasan_check_read+0x11/0x20
[  372.112172][  T467]  ? idr_replace+0x1c4/0x230
[  372.116734][  T467]  ? idr_get_next+0x4b0/0x4b0
[  372.121386][  T467]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  372.126396][  T467]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  372.131588][  T467]  css_populate_dir+0x137/0x370
[  372.136427][  T467]  cgroup_apply_control_enable+0x8b9/0x12f0
[  372.142296][  T467]  cgroup_apply_control+0x93/0x710
[  372.147446][  T467]  ? css_next_child+0x160/0x160
[  372.152279][  T467]  ? stack_trace_save+0x12d/0x1f0
[  372.157303][  T467]  ? io_schedule+0x120/0x120
[  372.161876][  T467]  ? kernfs_fop_write_iter+0x15e/0x410
[  372.167316][  T467]  ? __kasan_check_write+0x14/0x20
[  372.172414][  T467]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  372.177676][  T467]  cgroup_subtree_control_write+0xd19/0x1310
[  372.183624][  T467]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  372.189576][  T467]  ? __kasan_check_write+0x14/0x20
[  372.194667][  T467]  ? _copy_from_iter+0x3fb/0xd60
[  372.199581][  T467]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  372.205536][  T467]  cgroup_file_write+0x28e/0x590
[  372.210461][  T467]  ? cgroup_seqfile_stop+0xc0/0xc0
[  372.215551][  T467]  ? mutex_lock+0xa6/0x110
[  372.219938][  T467]  ? mutex_trylock+0xb0/0xb0
[  372.224518][  T467]  ? __kasan_check_write+0x14/0x20
[  372.229613][  T467]  kernfs_fop_write_iter+0x2d0/0x410
[  372.234868][  T467]  ? cgroup_seqfile_stop+0xc0/0xc0
[  372.239951][  T467]  vfs_write+0xc1c/0xf40
[  372.244162][  T467]  ? slab_free_freelist_hook+0xcc/0x1a0
[  372.249677][  T467]  ? kernel_write+0x3c0/0x3c0
[  372.254845][  T467]  ? do_sys_openat2+0x397/0x470
[  372.259665][  T467]  ? __kasan_check_read+0x11/0x20
[  372.264665][  T467]  ? __fdget_pos+0x27e/0x310
[  372.269241][  T467]  ksys_write+0x198/0x2c0
[  372.273561][  T467]  ? __ia32_sys_read+0x90/0x90
[  372.278300][  T467]  ? debug_smp_processor_id+0x17/0x20
[  372.283644][  T467]  __x64_sys_write+0x7b/0x90
[  372.288358][  T467]  do_syscall_64+0x34/0x70
[  372.292747][  T467]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  372.298608][  T467] RIP: 0033:0x7efdb4cf77c9
[  372.302995][  T467] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  372.322574][  T467] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  372.331008][  T467] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  372.338950][  T467] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  372.346899][  T467] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  372.354863][  T467] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  372.362805][  T467] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000f
[  372.370870][  T467] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  372.428178][  T462] FAULT_INJECTION: forcing a failure.
[  372.428178][  T462] name failslab, interval 1, probability 0, space 0, times 0
[  372.440865][  T462] CPU: 0 PID: 462 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  372.451076][  T462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  372.461114][  T462] Call Trace:
[  372.464416][  T462]  dump_stack_lvl+0x1e2/0x24b
[  372.469076][  T462]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  372.474514][  T462]  ? selinux_kernfs_init_security+0x1a8/0x760
[  372.480553][  T462]  dump_stack+0x15/0x17
[  372.484689][  T462]  should_fail+0x3c0/0x510
[  372.489084][  T462]  ? __kernfs_new_node+0x99/0x6e0
[  372.494091][  T462]  __should_failslab+0x9f/0xe0
[  372.498841][  T462]  should_failslab+0x9/0x20
[  372.503317][  T462]  __kmalloc_track_caller+0x5f/0x350
[  372.508636][  T462]  kstrdup_const+0x55/0x90
[  372.513025][  T462]  __kernfs_new_node+0x99/0x6e0
[  372.517848][  T462]  ? is_module_text_address+0xe1/0x140
[  372.523303][  T462]  ? kernfs_new_node+0x170/0x170
[  372.528219][  T462]  ? ptr_to_hashval+0x60/0x60
[  372.532868][  T462]  ? snprintf+0xd6/0x120
[  372.537087][  T462]  ? __kasan_check_write+0x14/0x20
[  372.542177][  T462]  ? mutex_unlock+0x1d/0x40
[  372.546668][  T462]  kernfs_new_node+0x97/0x170
[  372.551341][  T462]  __kernfs_create_file+0x4a/0x270
[  372.556427][  T462]  cgroup_addrm_files+0xab8/0xfe0
[  372.561421][  T462]  ? ____kasan_kmalloc+0xdc/0x110
[  372.566410][  T462]  ? __kasan_kmalloc+0x9/0x10
[  372.571069][  T462]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  372.576582][  T462]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  372.582705][  T462]  ? delete_node+0x759/0x7b0
[  372.587267][  T462]  ? __kasan_check_read+0x11/0x20
[  372.592265][  T462]  ? idr_replace+0x1c4/0x230
[  372.596932][  T462]  ? idr_get_next+0x4b0/0x4b0
[  372.601577][  T462]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  372.606573][  T462]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  372.611742][  T462]  css_populate_dir+0x137/0x370
[  372.616561][  T462]  cgroup_apply_control_enable+0x8b9/0x12f0
[  372.622423][  T462]  cgroup_apply_control+0x93/0x710
[  372.627502][  T462]  ? css_next_child+0x160/0x160
[  372.632319][  T462]  ? stack_trace_save+0x12d/0x1f0
[  372.637313][  T462]  ? io_schedule+0x120/0x120
[  372.641872][  T462]  ? kernfs_fop_write_iter+0x15e/0x410
[  372.647302][  T462]  ? __kasan_check_write+0x14/0x20
[  372.652383][  T462]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  372.657642][  T462]  cgroup_subtree_control_write+0xd19/0x1310
[  372.663592][  T462]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  372.669540][  T462]  ? __kasan_check_write+0x14/0x20
[  372.674630][  T462]  ? _copy_from_iter+0x3fb/0xd60
[  372.679540][  T462]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  372.685491][  T462]  cgroup_file_write+0x28e/0x590
[  372.690400][  T462]  ? cgroup_seqfile_stop+0xc0/0xc0
[  372.695486][  T462]  ? mutex_lock+0xa6/0x110
[  372.699876][  T462]  ? mutex_trylock+0xb0/0xb0
[  372.704437][  T462]  ? __kasan_check_write+0x14/0x20
[  372.709518][  T462]  kernfs_fop_write_iter+0x2d0/0x410
[  372.714771][  T462]  ? cgroup_seqfile_stop+0xc0/0xc0
[  372.719852][  T462]  vfs_write+0xc1c/0xf40
[  372.724076][  T462]  ? slab_free_freelist_hook+0xcc/0x1a0
[  372.729698][  T462]  ? kernel_write+0x3c0/0x3c0
[  372.734351][  T462]  ? do_sys_openat2+0x397/0x470
[  372.739173][  T462]  ? __kasan_check_read+0x11/0x20
[  372.744164][  T462]  ? __fdget_pos+0x27e/0x310
[  372.748724][  T462]  ksys_write+0x198/0x2c0
[  372.753030][  T462]  ? __ia32_sys_read+0x90/0x90
[  372.757767][  T462]  ? debug_smp_processor_id+0x17/0x20
[  372.763108][  T462]  __x64_sys_write+0x7b/0x90
[  372.767669][  T462]  do_syscall_64+0x34/0x70
[  372.772056][  T462]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  372.777918][  T462] RIP: 0033:0x7efdb4cf77c9
[  372.782304][  T462] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  372.801877][  T462] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  372.810259][  T462] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  372.818200][  T462] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  372.826144][  T462] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  372.834087][  T462] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  372.842029][  T462] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000010
[  372.850154][  T462] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  372.898198][  T468] FAULT_INJECTION: forcing a failure.
[  372.898198][  T468] name failslab, interval 1, probability 0, space 0, times 0
[  372.910907][  T468] CPU: 0 PID: 468 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  372.921119][  T468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  372.931147][  T468] Call Trace:
[  372.934417][  T468]  dump_stack_lvl+0x1e2/0x24b
[  372.939065][  T468]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  372.944493][  T468]  ? selinux_kernfs_init_security+0x1a8/0x760
[  372.950528][  T468]  dump_stack+0x15/0x17
[  372.954655][  T468]  should_fail+0x3c0/0x510
[  372.959042][  T468]  ? __kernfs_new_node+0x99/0x6e0
[  372.964038][  T468]  __should_failslab+0x9f/0xe0
[  372.968808][  T468]  should_failslab+0x9/0x20
[  372.973287][  T468]  __kmalloc_track_caller+0x5f/0x350
[  372.978546][  T468]  kstrdup_const+0x55/0x90
[  372.982950][  T468]  __kernfs_new_node+0x99/0x6e0
[  372.987780][  T468]  ? is_module_text_address+0xe1/0x140
[  372.993290][  T468]  ? kernfs_new_node+0x170/0x170
[  372.998309][  T468]  ? ptr_to_hashval+0x60/0x60
[  373.002979][  T468]  ? snprintf+0xd6/0x120
[  373.007199][  T468]  ? __kasan_check_write+0x14/0x20
[  373.012294][  T468]  ? mutex_unlock+0x1d/0x40
[  373.016774][  T468]  kernfs_new_node+0x97/0x170
[  373.021479][  T468]  __kernfs_create_file+0x4a/0x270
[  373.026579][  T468]  cgroup_addrm_files+0xab8/0xfe0
[  373.031586][  T468]  ? ____kasan_kmalloc+0xdc/0x110
[  373.036603][  T468]  ? __kasan_kmalloc+0x9/0x10
[  373.041254][  T468]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  373.046960][  T468]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  373.053104][  T468]  ? delete_node+0x759/0x7b0
[  373.057676][  T468]  ? __kasan_check_read+0x11/0x20
[  373.062683][  T468]  ? idr_replace+0x1c4/0x230
[  373.067371][  T468]  ? idr_get_next+0x4b0/0x4b0
[  373.072023][  T468]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  373.077021][  T468]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  373.082190][  T468]  css_populate_dir+0x137/0x370
[  373.087022][  T468]  cgroup_apply_control_enable+0x8b9/0x12f0
[  373.092906][  T468]  cgroup_apply_control+0x93/0x710
[  373.098002][  T468]  ? css_next_child+0x160/0x160
[  373.102828][  T468]  ? stack_trace_save+0x12d/0x1f0
[  373.107826][  T468]  ? io_schedule+0x120/0x120
[  373.112386][  T468]  ? kernfs_fop_write_iter+0x15e/0x410
[  373.117816][  T468]  ? __kasan_check_write+0x14/0x20
[  373.122898][  T468]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  373.128158][  T468]  cgroup_subtree_control_write+0xd19/0x1310
[  373.134106][  T468]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  373.140056][  T468]  ? __kasan_check_write+0x14/0x20
[  373.145136][  T468]  ? _copy_from_iter+0x3fb/0xd60
[  373.150048][  T468]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  373.156004][  T468]  cgroup_file_write+0x28e/0x590
[  373.160921][  T468]  ? cgroup_seqfile_stop+0xc0/0xc0
[  373.166003][  T468]  ? mutex_lock+0xa6/0x110
[  373.170389][  T468]  ? mutex_trylock+0xb0/0xb0
[  373.174948][  T468]  ? __kasan_check_write+0x14/0x20
[  373.180026][  T468]  kernfs_fop_write_iter+0x2d0/0x410
[  373.185283][  T468]  ? cgroup_seqfile_stop+0xc0/0xc0
[  373.190362][  T468]  vfs_write+0xc1c/0xf40
[  373.194574][  T468]  ? slab_free_freelist_hook+0xcc/0x1a0
[  373.200087][  T468]  ? kernel_write+0x3c0/0x3c0
[  373.204735][  T468]  ? do_sys_openat2+0x397/0x470
[  373.209558][  T468]  ? __kasan_check_read+0x11/0x20
[  373.214555][  T468]  ? __fdget_pos+0x27e/0x310
[  373.219117][  T468]  ksys_write+0x198/0x2c0
[  373.223420][  T468]  ? __ia32_sys_read+0x90/0x90
[  373.228296][  T468]  ? debug_smp_processor_id+0x17/0x20
[  373.235434][  T468]  __x64_sys_write+0x7b/0x90
[  373.240014][  T468]  do_syscall_64+0x34/0x70
[  373.244485][  T468]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  373.250355][  T468] RIP: 0033:0x7efdb4cf77c9
[  373.254756][  T468] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  373.274352][  T468] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  373.282742][  T468] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  373.290694][  T468] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  373.298663][  T468] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  373.306612][  T468] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  373.314559][  T468] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000010
[  373.322648][  T468] cgroup: cgroup_addrm_files: failed to add current, err=-12
executing program
[  373.368502][  T470] FAULT_INJECTION: forcing a failure.
[  373.368502][  T470] name failslab, interval 1, probability 0, space 0, times 0
[  373.381247][  T470] CPU: 0 PID: 470 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  373.391468][  T470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  373.401501][  T470] Call Trace:
[  373.404768][  T470]  dump_stack_lvl+0x1e2/0x24b
[  373.409416][  T470]  ? panic+0x7d7/0x7d7
[  373.413456][  T470]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  373.418885][  T470]  ? find_next_bit+0xd6/0x120
[  373.423535][  T470]  ? cpumask_next+0x11/0x30
[  373.428007][  T470]  dump_stack+0x15/0x17
[  373.432132][  T470]  should_fail+0x3c0/0x510
[  373.436520][  T470]  ? percpu_ref_init+0xd0/0x330
[  373.441343][  T470]  __should_failslab+0x9f/0xe0
[  373.446081][  T470]  should_failslab+0x9/0x20
[  373.450558][  T470]  kmem_cache_alloc_trace+0x3a/0x330
[  373.455836][  T470]  percpu_ref_init+0xd0/0x330
[  373.460535][  T470]  ? cgroup_setup_root+0xea0/0xea0
[  373.465617][  T470]  cgroup_apply_control_enable+0x3a2/0x12f0
[  373.471577][  T470]  cgroup_apply_control+0x93/0x710
[  373.476661][  T470]  ? css_next_child+0x160/0x160
[  373.481494][  T470]  ? stack_trace_save+0x12d/0x1f0
[  373.486489][  T470]  ? io_schedule+0x120/0x120
[  373.491050][  T470]  ? kernfs_fop_write_iter+0x15e/0x410
[  373.496482][  T470]  ? __kasan_check_write+0x14/0x20
[  373.501578][  T470]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  373.506849][  T470]  cgroup_subtree_control_write+0xd19/0x1310
[  373.512801][  T470]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  373.518764][  T470]  ? __kasan_check_write+0x14/0x20
[  373.523854][  T470]  ? _copy_from_iter+0x3fb/0xd60
[  373.528779][  T470]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  373.534747][  T470]  cgroup_file_write+0x28e/0x590
[  373.539672][  T470]  ? cgroup_seqfile_stop+0xc0/0xc0
[  373.544772][  T470]  ? mutex_lock+0xa6/0x110
[  373.549165][  T470]  ? mutex_trylock+0xb0/0xb0
[  373.553733][  T470]  ? __kasan_check_write+0x14/0x20
[  373.558821][  T470]  kernfs_fop_write_iter+0x2d0/0x410
[  373.564081][  T470]  ? cgroup_seqfile_stop+0xc0/0xc0
[  373.569164][  T470]  vfs_write+0xc1c/0xf40
[  373.573380][  T470]  ? slab_free_freelist_hook+0xcc/0x1a0
[  373.578906][  T470]  ? kernel_write+0x3c0/0x3c0
[  373.583554][  T470]  ? do_sys_openat2+0x397/0x470
[  373.588375][  T470]  ? __kasan_check_read+0x11/0x20
[  373.593372][  T470]  ? __fdget_pos+0x27e/0x310
[  373.597946][  T470]  ksys_write+0x198/0x2c0
[  373.602254][  T470]  ? __kasan_check_write+0x14/0x20
[  373.607336][  T470]  ? __ia32_sys_read+0x90/0x90
[  373.612089][  T470]  ? debug_smp_processor_id+0x17/0x20
[  373.617437][  T470]  __x64_sys_write+0x7b/0x90
[  373.621998][  T470]  do_syscall_64+0x34/0x70
[  373.626383][  T470]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  373.632241][  T470] RIP: 0033:0x7efdb4cf77c9
[  373.636630][  T470] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  373.656225][  T470] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  373.664611][  T470] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  373.672557][  T470] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  373.680500][  T470] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  373.688457][  T470] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  373.696402][  T470] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000011
[  373.738037][  T466] FAULT_INJECTION: forcing a failure.
[  373.738037][  T466] name failslab, interval 1, probability 0, space 0, times 0
[  373.750675][  T466] CPU: 1 PID: 466 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  373.760892][  T466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  373.770935][  T466] Call Trace:
[  373.774206][  T466]  dump_stack_lvl+0x1e2/0x24b
[  373.778868][  T466]  ? panic+0x7d7/0x7d7
[  373.782940][  T466]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  373.788378][  T466]  ? selinux_kernfs_init_security+0x1a8/0x760
[  373.794434][  T466]  dump_stack+0x15/0x17
[  373.798568][  T466]  should_fail+0x3c0/0x510
[  373.802959][  T466]  __should_failslab+0x9f/0xe0
[  373.807696][  T466]  should_failslab+0x9/0x20
[  373.812189][  T466]  kmem_cache_alloc+0x3f/0x300
[  373.816938][  T466]  ? __kernfs_new_node+0xdb/0x6e0
[  373.821937][  T466]  __kernfs_new_node+0xdb/0x6e0
[  373.826777][  T466]  ? is_module_text_address+0xe1/0x140
[  373.832222][  T466]  ? kernfs_new_node+0x170/0x170
[  373.837142][  T466]  ? ptr_to_hashval+0x60/0x60
[  373.841793][  T466]  ? arch_stack_walk+0xf8/0x140
[  373.846623][  T466]  ? snprintf+0xd6/0x120
[  373.850850][  T466]  kernfs_new_node+0x97/0x170
[  373.855520][  T466]  __kernfs_create_file+0x4a/0x270
[  373.860608][  T466]  cgroup_addrm_files+0xab8/0xfe0
[  373.865604][  T466]  ? ____kasan_kmalloc+0xdc/0x110
[  373.870597][  T466]  ? __kasan_kmalloc+0x9/0x10
[  373.875248][  T466]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  373.880767][  T466]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  373.886981][  T466]  ? delete_node+0x759/0x7b0
[  373.891551][  T466]  ? __kasan_check_read+0x11/0x20
[  373.896557][  T466]  ? delete_node+0x759/0x7b0
[  373.901117][  T466]  ? __kasan_check_write+0x14/0x20
[  373.906295][  T466]  ? idr_replace+0x1c4/0x230
[  373.910856][  T466]  ? idr_get_next+0x4b0/0x4b0
[  373.915502][  T466]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  373.920497][  T466]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  373.925669][  T466]  css_populate_dir+0x137/0x370
[  373.930494][  T466]  cgroup_apply_control_enable+0x8b9/0x12f0
[  373.936376][  T466]  cgroup_apply_control+0x93/0x710
[  373.941470][  T466]  ? css_next_child+0x160/0x160
[  373.946304][  T466]  ? io_schedule+0x120/0x120
[  373.950873][  T466]  ? kernfs_fop_write_iter+0x15e/0x410
[  373.956307][  T466]  ? __kasan_check_write+0x14/0x20
[  373.961410][  T466]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  373.966675][  T466]  cgroup_subtree_control_write+0xd19/0x1310
[  373.972628][  T466]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  373.978580][  T466]  ? __kasan_check_write+0x14/0x20
[  373.983662][  T466]  ? _copy_from_iter+0x3fb/0xd60
[  373.988575][  T466]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  373.994528][  T466]  cgroup_file_write+0x28e/0x590
[  373.999439][  T466]  ? cgroup_seqfile_stop+0xc0/0xc0
[  374.004521][  T466]  ? mutex_lock+0xa6/0x110
[  374.008912][  T466]  ? mutex_trylock+0xb0/0xb0
[  374.013477][  T466]  ? __kasan_check_write+0x14/0x20
[  374.018559][  T466]  kernfs_fop_write_iter+0x2d0/0x410
[  374.023827][  T466]  ? cgroup_seqfile_stop+0xc0/0xc0
[  374.028912][  T466]  vfs_write+0xc1c/0xf40
[  374.033142][  T466]  ? kernel_write+0x3c0/0x3c0
[  374.037806][  T466]  ? do_sys_openat2+0x397/0x470
[  374.042633][  T466]  ? __kasan_check_read+0x11/0x20
[  374.047633][  T466]  ? __fdget_pos+0x27e/0x310
[  374.052195][  T466]  ksys_write+0x198/0x2c0
[  374.056497][  T466]  ? __ia32_sys_read+0x90/0x90
[  374.061236][  T466]  ? debug_smp_processor_id+0x17/0x20
[  374.066578][  T466]  __x64_sys_write+0x7b/0x90
[  374.071139][  T466]  do_syscall_64+0x34/0x70
[  374.075530][  T466]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  374.081394][  T466] RIP: 0033:0x7efdb4cf77c9
[  374.085803][  T466] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  374.105385][  T466] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  374.113776][  T466] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  374.121745][  T466] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  374.129696][  T466] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  374.137640][  T466] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  374.145587][  T466] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000d
[  374.153904][  T466] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  374.228177][  T469] FAULT_INJECTION: forcing a failure.
[  374.228177][  T469] name failslab, interval 1, probability 0, space 0, times 0
[  374.240895][  T469] CPU: 0 PID: 469 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  374.251116][  T469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  374.261145][  T469] Call Trace:
[  374.264429][  T469]  dump_stack_lvl+0x1e2/0x24b
[  374.269080][  T469]  ? panic+0x7d7/0x7d7
[  374.273125][  T469]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  374.278556][  T469]  ? selinux_kernfs_init_security+0x1a8/0x760
[  374.284603][  T469]  dump_stack+0x15/0x17
[  374.288735][  T469]  should_fail+0x3c0/0x510
[  374.293122][  T469]  __should_failslab+0x9f/0xe0
[  374.297859][  T469]  should_failslab+0x9/0x20
[  374.302333][  T469]  kmem_cache_alloc+0x3f/0x300
[  374.307069][  T469]  ? __kernfs_new_node+0xdb/0x6e0
[  374.312080][  T469]  __kernfs_new_node+0xdb/0x6e0
[  374.316919][  T469]  ? is_module_text_address+0xe1/0x140
[  374.322348][  T469]  ? kernfs_new_node+0x170/0x170
[  374.327262][  T469]  ? ptr_to_hashval+0x60/0x60
[  374.331912][  T469]  ? arch_stack_walk+0xf8/0x140
[  374.336733][  T469]  ? snprintf+0xd6/0x120
[  374.340948][  T469]  kernfs_new_node+0x97/0x170
[  374.345600][  T469]  __kernfs_create_file+0x4a/0x270
[  374.350685][  T469]  cgroup_addrm_files+0xab8/0xfe0
[  374.355685][  T469]  ? ____kasan_kmalloc+0xdc/0x110
[  374.360700][  T469]  ? __kasan_kmalloc+0x9/0x10
[  374.365353][  T469]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  374.370879][  T469]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  374.377013][  T469]  ? delete_node+0x759/0x7b0
[  374.381595][  T469]  ? __kasan_check_read+0x11/0x20
[  374.386596][  T469]  ? delete_node+0x759/0x7b0
[  374.391162][  T469]  ? __kasan_check_write+0x14/0x20
[  374.396251][  T469]  ? idr_replace+0x1c4/0x230
[  374.400816][  T469]  ? idr_get_next+0x4b0/0x4b0
[  374.405463][  T469]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  374.410458][  T469]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  374.415629][  T469]  css_populate_dir+0x137/0x370
[  374.420464][  T469]  cgroup_apply_control_enable+0x8b9/0x12f0
[  374.426332][  T469]  cgroup_apply_control+0x93/0x710
[  374.431434][  T469]  ? css_next_child+0x160/0x160
[  374.436261][  T469]  ? io_schedule+0x120/0x120
[  374.440831][  T469]  ? kernfs_fop_write_iter+0x15e/0x410
[  374.446272][  T469]  ? __kasan_check_write+0x14/0x20
[  374.451370][  T469]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  374.456636][  T469]  cgroup_subtree_control_write+0xd19/0x1310
[  374.462590][  T469]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  374.468544][  T469]  ? __kasan_check_write+0x14/0x20
[  374.473630][  T469]  ? _copy_from_iter+0x3fb/0xd60
[  374.478544][  T469]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  374.484494][  T469]  cgroup_file_write+0x28e/0x590
[  374.489407][  T469]  ? cgroup_seqfile_stop+0xc0/0xc0
[  374.494490][  T469]  ? mutex_lock+0xa6/0x110
[  374.498877][  T469]  ? mutex_trylock+0xb0/0xb0
[  374.503439][  T469]  ? __kasan_check_write+0x14/0x20
[  374.508523][  T469]  kernfs_fop_write_iter+0x2d0/0x410
[  374.513782][  T469]  ? cgroup_seqfile_stop+0xc0/0xc0
[  374.518867][  T469]  vfs_write+0xc1c/0xf40
[  374.523083][  T469]  ? kernel_write+0x3c0/0x3c0
[  374.527747][  T469]  ? do_sys_openat2+0x397/0x470
[  374.532588][  T469]  ? __kasan_check_read+0x11/0x20
[  374.537591][  T469]  ? __fdget_pos+0x27e/0x310
[  374.542162][  T469]  ksys_write+0x198/0x2c0
[  374.546477][  T469]  ? __ia32_sys_read+0x90/0x90
[  374.551223][  T469]  ? debug_smp_processor_id+0x17/0x20
[  374.556588][  T469]  __x64_sys_write+0x7b/0x90
[  374.561166][  T469]  do_syscall_64+0x34/0x70
[  374.565562][  T469]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  374.571428][  T469] RIP: 0033:0x7efdb4cf77c9
[  374.575818][  T469] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  374.595401][  T469] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  374.603794][  T469] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  374.611753][  T469] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  374.619703][  T469] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  374.627653][  T469] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  374.635603][  T469] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000011
[  374.643670][  T469] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  374.688284][  T465] FAULT_INJECTION: forcing a failure.
[  374.688284][  T465] name failslab, interval 1, probability 0, space 0, times 0
[  374.700932][  T465] CPU: 1 PID: 465 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  374.711268][  T465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  374.721321][  T465] Call Trace:
[  374.724605][  T465]  dump_stack_lvl+0x1e2/0x24b
[  374.729370][  T465]  ? panic+0x7d7/0x7d7
[  374.733413][  T465]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  374.738849][  T465]  ? selinux_kernfs_init_security+0x1a8/0x760
[  374.744917][  T465]  dump_stack+0x15/0x17
[  374.749059][  T465]  should_fail+0x3c0/0x510
[  374.753470][  T465]  __should_failslab+0x9f/0xe0
[  374.758237][  T465]  should_failslab+0x9/0x20
[  374.762716][  T465]  kmem_cache_alloc+0x3f/0x300
[  374.767452][  T465]  ? __kernfs_new_node+0xdb/0x6e0
[  374.772451][  T465]  __kernfs_new_node+0xdb/0x6e0
[  374.777273][  T465]  ? is_module_text_address+0xe1/0x140
[  374.782704][  T465]  ? kernfs_new_node+0x170/0x170
[  374.787619][  T465]  ? ptr_to_hashval+0x60/0x60
[  374.792267][  T465]  ? arch_stack_walk+0xf8/0x140
[  374.797097][  T465]  ? snprintf+0xd6/0x120
[  374.801316][  T465]  kernfs_new_node+0x97/0x170
[  374.805978][  T465]  __kernfs_create_file+0x4a/0x270
[  374.811100][  T465]  cgroup_addrm_files+0xab8/0xfe0
[  374.816107][  T465]  ? ____kasan_kmalloc+0xdc/0x110
[  374.821107][  T465]  ? __kasan_kmalloc+0x9/0x10
[  374.825761][  T465]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  374.831296][  T465]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  374.837424][  T465]  ? delete_node+0x759/0x7b0
[  374.841998][  T465]  ? __kasan_check_read+0x11/0x20
[  374.847008][  T465]  ? delete_node+0x759/0x7b0
[  374.851573][  T465]  ? __kasan_check_write+0x14/0x20
[  374.856658][  T465]  ? idr_replace+0x1c4/0x230
[  374.861221][  T465]  ? idr_get_next+0x4b0/0x4b0
[  374.865870][  T465]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  374.870865][  T465]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  374.876037][  T465]  css_populate_dir+0x137/0x370
[  374.880877][  T465]  cgroup_apply_control_enable+0x8b9/0x12f0
[  374.886747][  T465]  cgroup_apply_control+0x93/0x710
[  374.891832][  T465]  ? css_next_child+0x160/0x160
[  374.896662][  T465]  ? stack_trace_save+0x12d/0x1f0
[  374.901665][  T465]  ? io_schedule+0x120/0x120
[  374.906241][  T465]  ? kernfs_fop_write_iter+0x15e/0x410
[  374.911673][  T465]  ? __kasan_check_write+0x14/0x20
[  374.916757][  T465]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  374.922022][  T465]  cgroup_subtree_control_write+0xd19/0x1310
[  374.927981][  T465]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  374.933935][  T465]  ? __kasan_check_write+0x14/0x20
[  374.939031][  T465]  ? _copy_from_iter+0x3fb/0xd60
[  374.943940][  T465]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  374.949903][  T465]  cgroup_file_write+0x28e/0x590
[  374.954819][  T465]  ? cgroup_seqfile_stop+0xc0/0xc0
[  374.959902][  T465]  ? mutex_lock+0xa6/0x110
[  374.964301][  T465]  ? mutex_trylock+0xb0/0xb0
[  374.968871][  T465]  ? __kasan_check_write+0x14/0x20
[  374.973960][  T465]  kernfs_fop_write_iter+0x2d0/0x410
[  374.979221][  T465]  ? cgroup_seqfile_stop+0xc0/0xc0
[  374.984367][  T465]  vfs_write+0xc1c/0xf40
[  374.988600][  T465]  ? slab_free_freelist_hook+0xcc/0x1a0
[  374.994123][  T465]  ? kernel_write+0x3c0/0x3c0
[  374.998786][  T465]  ? do_sys_openat2+0x397/0x470
[  375.003629][  T465]  ? __kasan_check_read+0x11/0x20
[  375.008658][  T465]  ? __fdget_pos+0x27e/0x310
[  375.013250][  T465]  ksys_write+0x198/0x2c0
[  375.017573][  T465]  ? __ia32_sys_read+0x90/0x90
[  375.023327][  T465]  ? debug_smp_processor_id+0x17/0x20
[  375.028693][  T465]  __x64_sys_write+0x7b/0x90
[  375.033261][  T465]  do_syscall_64+0x34/0x70
[  375.037653][  T465]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  375.043519][  T465] RIP: 0033:0x7efdb4cf77c9
[  375.047908][  T465] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  375.067492][  T465] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  375.075890][  T465] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  375.083837][  T465] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  375.091782][  T465] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  375.099740][  T465] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  375.107687][  T465] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000a
[  375.115795][  T465] cgroup: cgroup_addrm_files: failed to add max, err=-12
executing program
[  375.158186][  T472] FAULT_INJECTION: forcing a failure.
[  375.158186][  T472] name failslab, interval 1, probability 0, space 0, times 0
[  375.170838][  T472] CPU: 1 PID: 472 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  375.181154][  T472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  375.191186][  T472] Call Trace:
[  375.194496][  T472]  dump_stack_lvl+0x1e2/0x24b
[  375.199147][  T472]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  375.204662][  T472]  ? selinux_kernfs_init_security+0x1a8/0x760
[  375.210724][  T472]  dump_stack+0x15/0x17
[  375.214866][  T472]  should_fail+0x3c0/0x510
[  375.219261][  T472]  ? __kernfs_new_node+0x99/0x6e0
[  375.224259][  T472]  __should_failslab+0x9f/0xe0
[  375.229010][  T472]  should_failslab+0x9/0x20
[  375.233486][  T472]  __kmalloc_track_caller+0x5f/0x350
[  375.238755][  T472]  kstrdup_const+0x55/0x90
[  375.243150][  T472]  __kernfs_new_node+0x99/0x6e0
[  375.247981][  T472]  ? is_module_text_address+0xe1/0x140
[  375.253415][  T472]  ? kernfs_new_node+0x170/0x170
[  375.258328][  T472]  ? ptr_to_hashval+0x60/0x60
[  375.262989][  T472]  ? snprintf+0xd6/0x120
[  375.267213][  T472]  ? __kasan_check_write+0x14/0x20
[  375.272302][  T472]  ? mutex_unlock+0x1d/0x40
[  375.276779][  T472]  kernfs_new_node+0x97/0x170
[  375.281431][  T472]  __kernfs_create_file+0x4a/0x270
[  375.286514][  T472]  cgroup_addrm_files+0xab8/0xfe0
[  375.291516][  T472]  ? ____kasan_kmalloc+0xdc/0x110
[  375.296511][  T472]  ? __kasan_kmalloc+0x9/0x10
[  375.301160][  T472]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  375.306677][  T472]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  375.312801][  T472]  ? delete_node+0x759/0x7b0
[  375.317363][  T472]  ? __kasan_check_read+0x11/0x20
[  375.322364][  T472]  ? idr_replace+0x1c4/0x230
[  375.326925][  T472]  ? idr_get_next+0x4b0/0x4b0
[  375.331572][  T472]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  375.336571][  T472]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  375.341745][  T472]  css_populate_dir+0x137/0x370
[  375.346576][  T472]  cgroup_apply_control_enable+0x8b9/0x12f0
[  375.352443][  T472]  cgroup_apply_control+0x93/0x710
[  375.357526][  T472]  ? css_next_child+0x160/0x160
[  375.362352][  T472]  ? stack_trace_save+0x12d/0x1f0
[  375.367351][  T472]  ? io_schedule+0x120/0x120
[  375.371914][  T472]  ? kernfs_fop_write_iter+0x15e/0x410
[  375.377342][  T472]  ? __kasan_check_write+0x14/0x20
[  375.382427][  T472]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  375.387707][  T472]  cgroup_subtree_control_write+0xd19/0x1310
[  375.393669][  T472]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  375.399627][  T472]  ? __kasan_check_write+0x14/0x20
[  375.404715][  T472]  ? _copy_from_iter+0x3fb/0xd60
[  375.409631][  T472]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  375.415601][  T472]  cgroup_file_write+0x28e/0x590
[  375.420522][  T472]  ? cgroup_seqfile_stop+0xc0/0xc0
[  375.425609][  T472]  ? mutex_lock+0xa6/0x110
[  375.430133][  T472]  ? mutex_trylock+0xb0/0xb0
[  375.434699][  T472]  ? __kasan_check_write+0x14/0x20
[  375.439801][  T472]  kernfs_fop_write_iter+0x2d0/0x410
[  375.445070][  T472]  ? cgroup_seqfile_stop+0xc0/0xc0
[  375.450156][  T472]  vfs_write+0xc1c/0xf40
[  375.454384][  T472]  ? slab_free_freelist_hook+0xcc/0x1a0
[  375.459904][  T472]  ? kernel_write+0x3c0/0x3c0
[  375.464565][  T472]  ? do_sys_openat2+0x397/0x470
[  375.469396][  T472]  ? __kasan_check_read+0x11/0x20
[  375.474402][  T472]  ? __fdget_pos+0x27e/0x310
[  375.478979][  T472]  ksys_write+0x198/0x2c0
[  375.483299][  T472]  ? __ia32_sys_read+0x90/0x90
[  375.488082][  T472]  ? debug_smp_processor_id+0x17/0x20
[  375.493440][  T472]  __x64_sys_write+0x7b/0x90
[  375.498017][  T472]  do_syscall_64+0x34/0x70
[  375.502407][  T472]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  375.508274][  T472] RIP: 0033:0x7efdb4cf77c9
[  375.512661][  T472] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  375.532255][  T472] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  375.540641][  T472] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  375.548598][  T472] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  375.556550][  T472] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  375.564506][  T472] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  375.572451][  T472] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000012
[  375.580742][  T472] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  375.618062][  T473] FAULT_INJECTION: forcing a failure.
[  375.618062][  T473] name failslab, interval 1, probability 0, space 0, times 0
[  375.630721][  T473] CPU: 0 PID: 473 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  375.640938][  T473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  375.650974][  T473] Call Trace:
[  375.654249][  T473]  dump_stack_lvl+0x1e2/0x24b
[  375.658909][  T473]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  375.664345][  T473]  ? selinux_kernfs_init_security+0x1a8/0x760
[  375.670509][  T473]  dump_stack+0x15/0x17
[  375.674651][  T473]  should_fail+0x3c0/0x510
[  375.679045][  T473]  ? __kernfs_new_node+0x99/0x6e0
[  375.684058][  T473]  __should_failslab+0x9f/0xe0
[  375.688801][  T473]  should_failslab+0x9/0x20
[  375.693294][  T473]  __kmalloc_track_caller+0x5f/0x350
[  375.698561][  T473]  kstrdup_const+0x55/0x90
[  375.702953][  T473]  __kernfs_new_node+0x99/0x6e0
[  375.707785][  T473]  ? is_module_text_address+0xe1/0x140
[  375.713228][  T473]  ? kernfs_new_node+0x170/0x170
[  375.718187][  T473]  ? ptr_to_hashval+0x60/0x60
[  375.723067][  T473]  ? snprintf+0xd6/0x120
[  375.727292][  T473]  ? __kasan_check_write+0x14/0x20
[  375.732384][  T473]  ? mutex_unlock+0x1d/0x40
[  375.736869][  T473]  kernfs_new_node+0x97/0x170
[  375.741554][  T473]  __kernfs_create_file+0x4a/0x270
[  375.746658][  T473]  cgroup_addrm_files+0xab8/0xfe0
[  375.751663][  T473]  ? ____kasan_kmalloc+0xdc/0x110
[  375.756659][  T473]  ? __kasan_kmalloc+0x9/0x10
[  375.761320][  T473]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  375.766845][  T473]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  375.772973][  T473]  ? delete_node+0x759/0x7b0
[  375.777534][  T473]  ? __kasan_check_read+0x11/0x20
[  375.782539][  T473]  ? idr_replace+0x1c4/0x230
[  375.787101][  T473]  ? idr_get_next+0x4b0/0x4b0
[  375.791748][  T473]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  375.796742][  T473]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  375.801914][  T473]  css_populate_dir+0x137/0x370
[  375.806738][  T473]  cgroup_apply_control_enable+0x8b9/0x12f0
[  375.812694][  T473]  cgroup_apply_control+0x93/0x710
[  375.817784][  T473]  ? css_next_child+0x160/0x160
[  375.822607][  T473]  ? stack_trace_save+0x12d/0x1f0
[  375.827608][  T473]  ? io_schedule+0x120/0x120
[  375.832168][  T473]  ? kernfs_fop_write_iter+0x15e/0x410
[  375.837733][  T473]  ? __kasan_check_write+0x14/0x20
[  375.842840][  T473]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  375.848108][  T473]  cgroup_subtree_control_write+0xd19/0x1310
[  375.854182][  T473]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  375.860153][  T473]  ? __kasan_check_write+0x14/0x20
[  375.865246][  T473]  ? _copy_from_iter+0x3fb/0xd60
[  375.870161][  T473]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  375.876138][  T473]  cgroup_file_write+0x28e/0x590
[  375.881057][  T473]  ? cgroup_seqfile_stop+0xc0/0xc0
[  375.886156][  T473]  ? mutex_lock+0xa6/0x110
[  375.890551][  T473]  ? mutex_trylock+0xb0/0xb0
[  375.895120][  T473]  ? __kasan_check_write+0x14/0x20
[  375.900209][  T473]  kernfs_fop_write_iter+0x2d0/0x410
[  375.905468][  T473]  ? cgroup_seqfile_stop+0xc0/0xc0
[  375.910554][  T473]  vfs_write+0xc1c/0xf40
[  375.914768][  T473]  ? slab_free_freelist_hook+0xcc/0x1a0
[  375.920285][  T473]  ? kernel_write+0x3c0/0x3c0
[  375.924946][  T473]  ? do_sys_openat2+0x397/0x470
[  375.929772][  T473]  ? __kasan_check_read+0x11/0x20
[  375.934780][  T473]  ? __fdget_pos+0x27e/0x310
[  375.939372][  T473]  ksys_write+0x198/0x2c0
[  375.943678][  T473]  ? __ia32_sys_read+0x90/0x90
[  375.948437][  T473]  ? debug_smp_processor_id+0x17/0x20
[  375.953783][  T473]  __x64_sys_write+0x7b/0x90
[  375.958346][  T473]  do_syscall_64+0x34/0x70
[  375.962742][  T473]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  375.968623][  T473] RIP: 0033:0x7efdb4cf77c9
[  375.973024][  T473] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  375.992707][  T473] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  376.001115][  T473] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  376.009074][  T473] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  376.017034][  T473] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  376.024989][  T473] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  376.033204][  T473] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000e
[  376.041412][  T473] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  376.088032][  T471] FAULT_INJECTION: forcing a failure.
[  376.088032][  T471] name failslab, interval 1, probability 0, space 0, times 0
[  376.100671][  T471] CPU: 0 PID: 471 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  376.110932][  T471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  376.120963][  T471] Call Trace:
[  376.124236][  T471]  dump_stack_lvl+0x1e2/0x24b
[  376.128889][  T471]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  376.134326][  T471]  ? selinux_kernfs_init_security+0x1a8/0x760
[  376.140364][  T471]  dump_stack+0x15/0x17
[  376.144492][  T471]  should_fail+0x3c0/0x510
[  376.148879][  T471]  ? __kernfs_new_node+0x99/0x6e0
[  376.153875][  T471]  __should_failslab+0x9f/0xe0
[  376.158625][  T471]  should_failslab+0x9/0x20
[  376.163113][  T471]  __kmalloc_track_caller+0x5f/0x350
[  376.168390][  T471]  kstrdup_const+0x55/0x90
[  376.172804][  T471]  __kernfs_new_node+0x99/0x6e0
[  376.177662][  T471]  ? is_module_text_address+0xe1/0x140
[  376.183108][  T471]  ? kernfs_new_node+0x170/0x170
[  376.188021][  T471]  ? ptr_to_hashval+0x60/0x60
[  376.192672][  T471]  ? snprintf+0xd6/0x120
[  376.196889][  T471]  ? __kasan_check_write+0x14/0x20
[  376.201982][  T471]  ? mutex_unlock+0x1d/0x40
[  376.206462][  T471]  kernfs_new_node+0x97/0x170
[  376.211115][  T471]  __kernfs_create_file+0x4a/0x270
[  376.216204][  T471]  cgroup_addrm_files+0xab8/0xfe0
[  376.221217][  T471]  ? ____kasan_kmalloc+0xdc/0x110
[  376.226215][  T471]  ? __kasan_kmalloc+0x9/0x10
[  376.230866][  T471]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  376.236393][  T471]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  376.242526][  T471]  ? delete_node+0x759/0x7b0
[  376.247096][  T471]  ? __kasan_check_read+0x11/0x20
[  376.252099][  T471]  ? idr_replace+0x1c4/0x230
[  376.256663][  T471]  ? idr_get_next+0x4b0/0x4b0
[  376.261427][  T471]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  376.266436][  T471]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  376.271625][  T471]  css_populate_dir+0x137/0x370
[  376.276504][  T471]  cgroup_apply_control_enable+0x8b9/0x12f0
[  376.282377][  T471]  cgroup_apply_control+0x93/0x710
[  376.287484][  T471]  ? css_next_child+0x160/0x160
[  376.292324][  T471]  ? stack_trace_save+0x12d/0x1f0
[  376.297321][  T471]  ? io_schedule+0x120/0x120
[  376.301898][  T471]  ? kernfs_fop_write_iter+0x15e/0x410
[  376.307344][  T471]  ? __kasan_check_write+0x14/0x20
[  376.312427][  T471]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  376.317699][  T471]  cgroup_subtree_control_write+0xd19/0x1310
[  376.323668][  T471]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  376.329621][  T471]  ? __kasan_check_write+0x14/0x20
[  376.334712][  T471]  ? _copy_from_iter+0x3fb/0xd60
[  376.339621][  T471]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  376.345576][  T471]  cgroup_file_write+0x28e/0x590
[  376.350494][  T471]  ? cgroup_seqfile_stop+0xc0/0xc0
[  376.355579][  T471]  ? mutex_lock+0xa6/0x110
[  376.359968][  T471]  ? mutex_trylock+0xb0/0xb0
[  376.364547][  T471]  ? __kasan_check_write+0x14/0x20
[  376.369644][  T471]  kernfs_fop_write_iter+0x2d0/0x410
[  376.374918][  T471]  ? cgroup_seqfile_stop+0xc0/0xc0
[  376.380017][  T471]  vfs_write+0xc1c/0xf40
[  376.384240][  T471]  ? slab_free_freelist_hook+0xcc/0x1a0
[  376.389777][  T471]  ? kernel_write+0x3c0/0x3c0
[  376.394443][  T471]  ? do_sys_openat2+0x397/0x470
[  376.399266][  T471]  ? __kasan_check_read+0x11/0x20
[  376.404284][  T471]  ? __fdget_pos+0x27e/0x310
[  376.408857][  T471]  ksys_write+0x198/0x2c0
[  376.413344][  T471]  ? __ia32_sys_read+0x90/0x90
[  376.418082][  T471]  ? debug_smp_processor_id+0x17/0x20
[  376.423434][  T471]  __x64_sys_write+0x7b/0x90
[  376.428010][  T471]  do_syscall_64+0x34/0x70
[  376.432408][  T471]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  376.438289][  T471] RIP: 0033:0x7efdb4cf77c9
[  376.442767][  T471] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  376.462346][  T471] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  376.470731][  T471] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  376.478677][  T471] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[  376.486622][  T471] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  376.494564][  T471] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  376.502507][  T471] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000e
[  376.510539][  T471] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  376.519803][  T372] ------------[ cut here ]------------
[  376.525277][  T372] WARNING: CPU: 1 PID: 372 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0
[  376.534208][  T372] Modules linked in:
[  376.538096][  T372] CPU: 1 PID: 372 Comm: syz-executor340 Not tainted 5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  376.548339][  T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  376.558398][  T372] RIP: 0010:mntput_no_expire+0x48a/0x6c0
[  376.564006][  T372] Code: 48 c7 c2 c0 02 44 86 e8 34 b9 8e ff e9 8b fc ff ff e8 aa f5 b5 ff e9 81 fc ff ff e8 a0 f5 b5 ff e9 77 fc ff ff e8 96 f5 b5 ff <0f> 0b e9 f4 fc ff ff e8 8a f5 b5 ff e8 95 80 a2 ff e9 ea fc ff ff
[  376.583607][  T372] RSP: 0018:ffffc90000b97ba0 EFLAGS: 00010293
[  376.589676][  T372] RAX: ffffffff81b6bfda RBX: 00000000ffffffff RCX: ffff8881071f13c0
[  376.597715][  T372] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[  376.605702][  T372] RBP: ffffc90000b97c70 R08: ffffffff81b6bcc8 R09: 0000000000000003
[  376.613695][  T372] R10: fffff52000172f65 R11: 1ffff92000172f64 R12: dffffc0000000000
[  376.621666][  T372] R13: ffff88810c69c8c0 R14: ffffc90000b97c00 R15: 1ffff92000172f7c
[  376.629639][  T372] FS:  0000555555bbd3c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[  376.638567][  T372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  376.645146][  T372] CR2: 0000555555bc76f8 CR3: 000000011d0e2000 CR4: 00000000003506a0
[  376.653125][  T372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  376.661095][  T372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  376.669094][  T372] Call Trace:
[  376.672398][  T372]  ? io_schedule+0x120/0x120
[  376.676976][  T372]  ? vfs_submount+0xb0/0xb0
[  376.681477][  T372]  ? shrink_dentry_list+0x4ec/0x500
[  376.686650][  T372]  namespace_unlock+0x448/0x4f0
[  376.691494][  T372]  ? umount_tree+0xf50/0xf50
[  376.696061][  T372]  ? __detach_mounts+0x670/0x670
[  376.701008][  T372]  ? selinux_umount+0xf0/0x130
[  376.705767][  T372]  path_umount+0xf03/0xfb0
[  376.710173][  T372]  ? namespace_unlock+0x4f0/0x4f0
[  376.715173][  T372]  ? user_path_at_empty+0x40/0x50
[  376.720187][  T372]  __x64_sys_umount+0x122/0x170
[  376.725015][  T372]  ? path_umount+0xfb0/0xfb0
[  376.729597][  T372]  ? debug_smp_processor_id+0x17/0x20
[  376.734966][  T372]  do_syscall_64+0x34/0x70
[  376.739378][  T372]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  376.745243][  T372] RIP: 0033:0x7efdb4cf8b77
[  376.749653][  T372] Code: 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
[  376.769261][  T372] RSP: 002b:00007fff88d26ab8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[  376.777651][  T372] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efdb4cf8b77
[  376.785637][  T372] RDX: 00007fff88d26b7a RSI: 000000000000000a RDI: 00007fff88d26b70
[  376.793607][  T372] RBP: 00007fff88d26b70 R08: 00000000ffffffff R09: 00007fff88d26950
[  376.801568][  T372] R10: 0000555555bbf763 R11: 0000000000000206 R12: 00007fff88d27be0
[  376.809546][  T372] R13: 0000555555bbf6c0 R14: 00007fff88d26ae0 R15: 000000000000000f
[  376.817517][  T372] ---[ end trace c74af87a98aa3bdf ]---
[  376.823039][  T372] ------------[ cut here ]------------
[  376.828526][  T372] WARNING: CPU: 1 PID: 372 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0
[  376.837431][  T372] Modules linked in:
[  376.841331][  T372] CPU: 1 PID: 372 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  376.852945][  T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  376.863011][  T372] RIP: 0010:mntput_no_expire+0x48a/0x6c0
[  376.868633][  T372] Code: 48 c7 c2 c0 02 44 86 e8 34 b9 8e ff e9 8b fc ff ff e8 aa f5 b5 ff e9 81 fc ff ff e8 a0 f5 b5 ff e9 77 fc ff ff e8 96 f5 b5 ff <0f> 0b e9 f4 fc ff ff e8 8a f5 b5 ff e8 95 80 a2 ff e9 ea fc ff ff
[  376.888241][  T372] RSP: 0018:ffffc90000b97ca0 EFLAGS: 00010293
[  376.894291][  T372] RAX: ffffffff81b6bfda RBX: 00000000fffffffe RCX: ffff8881071f13c0
[  376.902269][  T372] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[  376.910234][  T372] RBP: ffffc90000b97d70 R08: ffffffff81b6bcc8 R09: 0000000000000003
[  376.918282][  T372] R10: fffff52000172f85 R11: 1ffff92000172f84 R12: dffffc0000000000
[  376.926239][  T372] R13: ffff88810c69c8c0 R14: ffffc90000b97d00 R15: 1ffff92000172f9c
[  376.934223][  T372] FS:  0000555555bbd3c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[  376.943183][  T372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  376.949829][  T372] CR2: 0000555555bc76f8 CR3: 000000011d0e2000 CR4: 00000000003506a0
[  376.957810][  T372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  376.965764][  T372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  376.973732][  T372] Call Trace:
[  376.977005][  T372]  ? lockref_get_or_lock+0x340/0x340
[  376.982299][  T372]  ? umount_tree+0xf50/0xf50
[  376.986874][  T372]  ? vfs_submount+0xb0/0xb0
[  376.991519][  T372]  ? dput+0x2b6/0x320
[  376.995484][  T372]  path_umount+0x1fe/0xfb0
[  376.999893][  T372]  ? namespace_unlock+0x4f0/0x4f0
[  377.004899][  T372]  ? user_path_at_empty+0x40/0x50
[  377.009939][  T372]  __x64_sys_umount+0x122/0x170
[  377.014768][  T372]  ? path_umount+0xfb0/0xfb0
[  377.019351][  T372]  ? debug_smp_processor_id+0x17/0x20
[  377.024701][  T372]  do_syscall_64+0x34/0x70
[  377.029109][  T372]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  377.034975][  T372] RIP: 0033:0x7efdb4cf8b77
[  377.039382][  T372] Code: 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
[  377.058985][  T372] RSP: 002b:00007fff88d26ab8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[  377.067398][  T372] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efdb4cf8b77
[  377.075391][  T372] RDX: 00007fff88d26b7a RSI: 000000000000000a RDI: 00007fff88d26b70
[  377.083360][  T372] RBP: 00007fff88d26b70 R08: 00000000ffffffff R09: 00007fff88d26950
executing program
[  377.091328][  T372] R10: 0000555555bbf763 R11: 0000000000000206 R12: 00007fff88d27be0
[  377.099302][  T372] R13: 0000555555bbf6c0 R14: 00007fff88d26ae0 R15: 000000000000000f
[  377.107263][  T372] ---[ end trace c74af87a98aa3be0 ]---
[  377.113191][  T476] FAULT_INJECTION: forcing a failure.
[  377.113191][  T476] name failslab, interval 1, probability 0, space 0, times 0
[  377.128098][  T476] CPU: 0 PID: 476 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  377.139729][  T476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  377.149899][  T476] Call Trace:
[  377.153174][  T476]  dump_stack_lvl+0x1e2/0x24b
[  377.157998][  T476]  ? panic+0x7d7/0x7d7
[  377.162039][  T476]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  377.167475][  T476]  ? selinux_kernfs_init_security+0x1a8/0x760
[  377.173521][  T476]  dump_stack+0x15/0x17
[  377.177651][  T476]  should_fail+0x3c0/0x510
[  377.182046][  T476]  __should_failslab+0x9f/0xe0
[  377.186786][  T476]  should_failslab+0x9/0x20
[  377.191285][  T476]  kmem_cache_alloc+0x3f/0x300
[  377.196022][  T476]  ? __kernfs_new_node+0xdb/0x6e0
[  377.201117][  T476]  __kernfs_new_node+0xdb/0x6e0
[  377.205948][  T476]  ? is_module_text_address+0xe1/0x140
[  377.211397][  T476]  ? kernfs_new_node+0x170/0x170
[  377.216318][  T476]  ? ptr_to_hashval+0x60/0x60
[  377.220974][  T476]  ? arch_stack_walk+0xf8/0x140
[  377.225803][  T476]  ? snprintf+0xd6/0x120
[  377.230023][  T476]  kernfs_new_node+0x97/0x170
[  377.234673][  T476]  __kernfs_create_file+0x4a/0x270
[  377.239764][  T476]  cgroup_addrm_files+0xab8/0xfe0
[  377.244765][  T476]  ? ____kasan_kmalloc+0xdc/0x110
[  377.249764][  T476]  ? __kasan_kmalloc+0x9/0x10
[  377.254417][  T476]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  377.259949][  T476]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  377.266079][  T476]  ? delete_node+0x759/0x7b0
[  377.270649][  T476]  ? __kasan_check_read+0x11/0x20
[  377.275657][  T476]  ? delete_node+0x759/0x7b0
[  377.280220][  T476]  ? __kasan_check_write+0x14/0x20
[  377.285316][  T476]  ? idr_replace+0x1c4/0x230
[  377.289880][  T476]  ? idr_get_next+0x4b0/0x4b0
[  377.294543][  T476]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  377.299538][  T476]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  377.304777][  T476]  css_populate_dir+0x137/0x370
[  377.309790][  T476]  cgroup_apply_control_enable+0x8b9/0x12f0
[  377.315844][  T476]  cgroup_apply_control+0x93/0x710
[  377.320939][  T476]  ? css_next_child+0x160/0x160
[  377.325778][  T476]  ? stack_trace_save+0x12d/0x1f0
[  377.330776][  T476]  ? io_schedule+0x120/0x120
[  377.335339][  T476]  ? kernfs_fop_write_iter+0x15e/0x410
[  377.340769][  T476]  ? __kasan_check_write+0x14/0x20
[  377.345851][  T476]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  377.351106][  T476]  cgroup_subtree_control_write+0xd19/0x1310
[  377.357056][  T476]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  377.363112][  T476]  ? __kasan_check_write+0x14/0x20
[  377.368192][  T476]  ? _copy_from_iter+0x3fb/0xd60
[  377.373116][  T476]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  377.379067][  T476]  cgroup_file_write+0x28e/0x590
[  377.383977][  T476]  ? cgroup_seqfile_stop+0xc0/0xc0
[  377.389063][  T476]  ? mutex_lock+0xa6/0x110
[  377.393449][  T476]  ? mutex_trylock+0xb0/0xb0
[  377.398013][  T476]  ? __kasan_check_write+0x14/0x20
[  377.403106][  T476]  kernfs_fop_write_iter+0x2d0/0x410
[  377.408375][  T476]  ? cgroup_seqfile_stop+0xc0/0xc0
[  377.413466][  T476]  vfs_write+0xc1c/0xf40
[  377.417692][  T476]  ? slab_free_freelist_hook+0xcc/0x1a0
[  377.423212][  T476]  ? kernel_write+0x3c0/0x3c0
[  377.427867][  T476]  ? do_sys_openat2+0x397/0x470
[  377.432706][  T476]  ? __kasan_check_read+0x11/0x20
[  377.437704][  T476]  ? __fdget_pos+0x27e/0x310
[  377.442262][  T476]  ksys_write+0x198/0x2c0
[  377.446562][  T476]  ? __kasan_check_write+0x14/0x20
[  377.451645][  T476]  ? __ia32_sys_read+0x90/0x90
[  377.456400][  T476]  ? debug_smp_processor_id+0x17/0x20
[  377.461741][  T476]  __x64_sys_write+0x7b/0x90
[  377.466312][  T476]  do_syscall_64+0x34/0x70
[  377.470698][  T476]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  377.476561][  T476] RIP: 0033:0x7efdb4cf77c9
[  377.480971][  T476] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  377.500550][  T476] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  377.508949][  T476] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  377.516906][  T476] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  377.524853][  T476] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  377.532797][  T476] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  377.540747][  T476] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000011
[  377.548945][  T476] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  377.598101][  T475] FAULT_INJECTION: forcing a failure.
[  377.598101][  T475] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[  377.611326][  T475] CPU: 1 PID: 475 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  377.622940][  T475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  377.632970][  T475] Call Trace:
[  377.636239][  T475]  dump_stack_lvl+0x1e2/0x24b
[  377.640907][  T475]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  377.646351][  T475]  ? stack_trace_save+0x12d/0x1f0
[  377.651346][  T475]  dump_stack+0x15/0x17
[  377.655483][  T475]  should_fail+0x3c0/0x510
[  377.659876][  T475]  should_fail_alloc_page+0x50/0x60
[  377.665049][  T475]  __alloc_pages_nodemask+0x1c0/0x890
[  377.670395][  T475]  ? mutex_trylock+0xb0/0xb0
[  377.674968][  T475]  ? gfp_pfmemalloc_allowed+0x120/0x120
[  377.680493][  T475]  ? mutex_unlock+0x1d/0x40
[  377.684980][  T475]  ? kernfs_xattr_get+0x80/0x90
[  377.689805][  T475]  ? selinux_kernfs_init_security+0x1a8/0x760
[  377.695840][  T475]  allocate_slab+0x78/0x540
[  377.700315][  T475]  ___slab_alloc+0x131/0x2e0
[  377.704878][  T475]  ? __kernfs_new_node+0xdb/0x6e0
[  377.709897][  T475]  __slab_alloc+0x63/0xa0
[  377.714218][  T475]  ? __kernfs_new_node+0xdb/0x6e0
[  377.719227][  T475]  kmem_cache_alloc+0x1ef/0x300
[  377.724066][  T475]  ? __kernfs_new_node+0xdb/0x6e0
[  377.729072][  T475]  __kernfs_new_node+0xdb/0x6e0
[  377.733939][  T475]  ? is_module_text_address+0xe1/0x140
[  377.739374][  T475]  ? kernfs_new_node+0x170/0x170
[  377.744292][  T475]  ? ptr_to_hashval+0x60/0x60
[  377.748941][  T475]  ? arch_stack_walk+0xf8/0x140
[  377.753770][  T475]  ? snprintf+0xd6/0x120
[  377.757991][  T475]  kernfs_new_node+0x97/0x170
[  377.762648][  T475]  __kernfs_create_file+0x4a/0x270
[  377.767919][  T475]  cgroup_addrm_files+0xab8/0xfe0
[  377.772923][  T475]  ? ____kasan_kmalloc+0xdc/0x110
[  377.777920][  T475]  ? __kasan_kmalloc+0x9/0x10
[  377.782575][  T475]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  377.788093][  T475]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  377.794235][  T475]  ? delete_node+0x759/0x7b0
[  377.798799][  T475]  ? __kasan_check_read+0x11/0x20
[  377.803796][  T475]  ? delete_node+0x759/0x7b0
[  377.808356][  T475]  ? __kasan_check_write+0x14/0x20
[  377.813440][  T475]  ? idr_replace+0x1c4/0x230
[  377.818046][  T475]  ? idr_get_next+0x4b0/0x4b0
[  377.822692][  T475]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  377.827686][  T475]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  377.832877][  T475]  css_populate_dir+0x137/0x370
[  377.837699][  T475]  cgroup_apply_control_enable+0x8b9/0x12f0
[  377.843564][  T475]  cgroup_apply_control+0x93/0x710
[  377.848643][  T475]  ? css_next_child+0x160/0x160
[  377.853465][  T475]  ? stack_trace_save+0x12d/0x1f0
[  377.858461][  T475]  ? io_schedule+0x120/0x120
[  377.863024][  T475]  ? kernfs_fop_write_iter+0x15e/0x410
[  377.868460][  T475]  ? __kasan_check_write+0x14/0x20
[  377.873550][  T475]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  377.878994][  T475]  cgroup_subtree_control_write+0xd19/0x1310
[  377.884958][  T475]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  377.891086][  T475]  ? __kasan_check_write+0x14/0x20
[  377.896236][  T475]  ? _copy_from_iter+0x3fb/0xd60
[  377.901159][  T475]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  377.907117][  T475]  cgroup_file_write+0x28e/0x590
[  377.912035][  T475]  ? cgroup_seqfile_stop+0xc0/0xc0
[  377.917127][  T475]  ? mutex_lock+0xa6/0x110
[  377.921523][  T475]  ? mutex_trylock+0xb0/0xb0
[  377.926086][  T475]  ? __kasan_check_write+0x14/0x20
[  377.931193][  T475]  kernfs_fop_write_iter+0x2d0/0x410
[  377.936462][  T475]  ? cgroup_seqfile_stop+0xc0/0xc0
[  377.941552][  T475]  vfs_write+0xc1c/0xf40
[  377.945773][  T475]  ? slab_free_freelist_hook+0xcc/0x1a0
[  377.951300][  T475]  ? kernel_write+0x3c0/0x3c0
[  377.955951][  T475]  ? do_sys_openat2+0x397/0x470
[  377.960789][  T475]  ? __kasan_check_read+0x11/0x20
[  377.965789][  T475]  ? __fdget_pos+0x27e/0x310
[  377.970362][  T475]  ksys_write+0x198/0x2c0
[  377.974769][  T475]  ? __kasan_check_write+0x14/0x20
[  377.979859][  T475]  ? __ia32_sys_read+0x90/0x90
[  377.984606][  T475]  ? debug_smp_processor_id+0x17/0x20
[  377.989964][  T475]  __x64_sys_write+0x7b/0x90
[  377.994567][  T475]  do_syscall_64+0x34/0x70
[  377.998975][  T475]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  378.004841][  T475] RIP: 0033:0x7efdb4cf77c9
[  378.009232][  T475] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  378.028930][  T475] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  378.037324][  T475] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
executing program
[  378.045279][  T475] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  378.053224][  T475] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  378.061184][  T475] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  378.069142][  T475] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000b
[  378.098092][  T478] FAULT_INJECTION: forcing a failure.
[  378.098092][  T478] name failslab, interval 1, probability 0, space 0, times 0
[  378.110805][  T478] CPU: 0 PID: 478 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  378.122406][  T478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  378.132440][  T478] Call Trace:
[  378.135708][  T478]  dump_stack_lvl+0x1e2/0x24b
[  378.140372][  T478]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  378.145844][  T478]  ? selinux_kernfs_init_security+0x1a8/0x760
[  378.151893][  T478]  dump_stack+0x15/0x17
[  378.156025][  T478]  should_fail+0x3c0/0x510
[  378.160419][  T478]  ? __kernfs_new_node+0x99/0x6e0
[  378.165423][  T478]  __should_failslab+0x9f/0xe0
[  378.170165][  T478]  should_failslab+0x9/0x20
[  378.174656][  T478]  __kmalloc_track_caller+0x5f/0x350
[  378.179922][  T478]  kstrdup_const+0x55/0x90
[  378.184314][  T478]  __kernfs_new_node+0x99/0x6e0
[  378.189147][  T478]  ? is_module_text_address+0xe1/0x140
[  378.194584][  T478]  ? kernfs_new_node+0x170/0x170
[  378.199498][  T478]  ? ptr_to_hashval+0x60/0x60
[  378.204171][  T478]  ? snprintf+0xd6/0x120
[  378.208390][  T478]  ? __kasan_check_write+0x14/0x20
[  378.213477][  T478]  ? mutex_unlock+0x1d/0x40
[  378.217958][  T478]  kernfs_new_node+0x97/0x170
[  378.222609][  T478]  __kernfs_create_file+0x4a/0x270
[  378.227712][  T478]  cgroup_addrm_files+0xab8/0xfe0
[  378.232732][  T478]  ? ____kasan_kmalloc+0xdc/0x110
[  378.237729][  T478]  ? __kasan_kmalloc+0x9/0x10
[  378.242388][  T478]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  378.247928][  T478]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  378.254056][  T478]  ? delete_node+0x759/0x7b0
[  378.258622][  T478]  ? __kasan_check_read+0x11/0x20
[  378.263622][  T478]  ? idr_replace+0x1c4/0x230
[  378.268199][  T478]  ? idr_get_next+0x4b0/0x4b0
[  378.272934][  T478]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  378.277930][  T478]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  378.283103][  T478]  css_populate_dir+0x137/0x370
[  378.287945][  T478]  cgroup_apply_control_enable+0x8b9/0x12f0
[  378.293812][  T478]  cgroup_apply_control+0x93/0x710
[  378.298912][  T478]  ? css_next_child+0x160/0x160
[  378.303734][  T478]  ? stack_trace_save+0x12d/0x1f0
[  378.308736][  T478]  ? io_schedule+0x120/0x120
[  378.313306][  T478]  ? kernfs_fop_write_iter+0x15e/0x410
[  378.318771][  T478]  ? __kasan_check_write+0x14/0x20
[  378.323856][  T478]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  378.329209][  T478]  cgroup_subtree_control_write+0xd19/0x1310
[  378.335161][  T478]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  378.341125][  T478]  ? __kasan_check_write+0x14/0x20
[  378.346230][  T478]  ? _copy_from_iter+0x3fb/0xd60
[  378.351142][  T478]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  378.357092][  T478]  cgroup_file_write+0x28e/0x590
[  378.362005][  T478]  ? cgroup_seqfile_stop+0xc0/0xc0
[  378.367091][  T478]  ? mutex_lock+0xa6/0x110
[  378.371498][  T478]  ? mutex_trylock+0xb0/0xb0
[  378.376093][  T478]  ? __kasan_check_write+0x14/0x20
[  378.381192][  T478]  kernfs_fop_write_iter+0x2d0/0x410
[  378.386460][  T478]  ? cgroup_seqfile_stop+0xc0/0xc0
[  378.391563][  T478]  vfs_write+0xc1c/0xf40
[  378.395786][  T478]  ? slab_free_freelist_hook+0xcc/0x1a0
[  378.401309][  T478]  ? kernel_write+0x3c0/0x3c0
[  378.405962][  T478]  ? do_sys_openat2+0x397/0x470
[  378.410789][  T478]  ? __kasan_check_read+0x11/0x20
[  378.415788][  T478]  ? __fdget_pos+0x27e/0x310
[  378.420359][  T478]  ksys_write+0x198/0x2c0
[  378.424662][  T478]  ? __kasan_check_write+0x14/0x20
[  378.429753][  T478]  ? __ia32_sys_read+0x90/0x90
[  378.434508][  T478]  ? debug_smp_processor_id+0x17/0x20
[  378.439861][  T478]  __x64_sys_write+0x7b/0x90
[  378.444435][  T478]  do_syscall_64+0x34/0x70
[  378.448826][  T478]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  378.454715][  T478] RIP: 0033:0x7efdb4cf77c9
[  378.459105][  T478] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  378.478682][  T478] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  378.487069][  T478] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  378.495197][  T478] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  378.503217][  T478] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  378.511251][  T478] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  378.519198][  T478] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000f
[  378.527398][  T478] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  378.538045][  T474] FAULT_INJECTION: forcing a failure.
[  378.538045][  T474] name failslab, interval 1, probability 0, space 0, times 0
[  378.550919][  T474] CPU: 0 PID: 474 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  378.562520][  T474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  378.572568][  T474] Call Trace:
[  378.575835][  T474]  dump_stack_lvl+0x1e2/0x24b
[  378.580514][  T474]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  378.585958][  T474]  ? selinux_kernfs_init_security+0x1a8/0x760
[  378.592026][  T474]  dump_stack+0x15/0x17
[  378.596160][  T474]  should_fail+0x3c0/0x510
[  378.600558][  T474]  ? __kernfs_new_node+0x99/0x6e0
[  378.605560][  T474]  __should_failslab+0x9f/0xe0
[  378.610389][  T474]  should_failslab+0x9/0x20
[  378.614870][  T474]  __kmalloc_track_caller+0x5f/0x350
[  378.620149][  T474]  kstrdup_const+0x55/0x90
[  378.624541][  T474]  __kernfs_new_node+0x99/0x6e0
[  378.629366][  T474]  ? is_module_text_address+0xe1/0x140
[  378.634804][  T474]  ? kernfs_new_node+0x170/0x170
[  378.639718][  T474]  ? ptr_to_hashval+0x60/0x60
[  378.644393][  T474]  ? snprintf+0xd6/0x120
[  378.648611][  T474]  ? __kasan_check_write+0x14/0x20
[  378.653696][  T474]  ? mutex_unlock+0x1d/0x40
[  378.658184][  T474]  kernfs_new_node+0x97/0x170
[  378.662873][  T474]  __kernfs_create_file+0x4a/0x270
[  378.667959][  T474]  cgroup_addrm_files+0xab8/0xfe0
[  378.672960][  T474]  ? ____kasan_kmalloc+0xdc/0x110
[  378.677964][  T474]  ? __kasan_kmalloc+0x9/0x10
[  378.682621][  T474]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  378.688141][  T474]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  378.694269][  T474]  ? delete_node+0x759/0x7b0
[  378.698835][  T474]  ? __kasan_check_read+0x11/0x20
[  378.703839][  T474]  ? idr_replace+0x1c4/0x230
[  378.708420][  T474]  ? idr_get_next+0x4b0/0x4b0
[  378.713091][  T474]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  378.718100][  T474]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  378.723283][  T474]  css_populate_dir+0x137/0x370
[  378.728116][  T474]  cgroup_apply_control_enable+0x8b9/0x12f0
[  378.733986][  T474]  cgroup_apply_control+0x93/0x710
[  378.739071][  T474]  ? css_next_child+0x160/0x160
[  378.743909][  T474]  ? stack_trace_save+0x12d/0x1f0
[  378.748920][  T474]  ? io_schedule+0x120/0x120
[  378.753497][  T474]  ? kernfs_fop_write_iter+0x15e/0x410
[  378.758945][  T474]  ? __kasan_check_write+0x14/0x20
[  378.764052][  T474]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  378.769337][  T474]  cgroup_subtree_control_write+0xd19/0x1310
[  378.775303][  T474]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  378.781263][  T474]  ? __kasan_check_write+0x14/0x20
[  378.786352][  T474]  ? _copy_from_iter+0x3fb/0xd60
[  378.791266][  T474]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  378.797220][  T474]  cgroup_file_write+0x28e/0x590
[  378.802131][  T474]  ? cgroup_seqfile_stop+0xc0/0xc0
[  378.807222][  T474]  ? mutex_lock+0xa6/0x110
[  378.811613][  T474]  ? mutex_trylock+0xb0/0xb0
[  378.816183][  T474]  ? __kasan_check_write+0x14/0x20
[  378.821268][  T474]  kernfs_fop_write_iter+0x2d0/0x410
[  378.826530][  T474]  ? cgroup_seqfile_stop+0xc0/0xc0
[  378.831624][  T474]  vfs_write+0xc1c/0xf40
[  378.835850][  T474]  ? slab_free_freelist_hook+0xcc/0x1a0
[  378.841373][  T474]  ? kernel_write+0x3c0/0x3c0
[  378.846025][  T474]  ? do_sys_openat2+0x397/0x470
[  378.850850][  T474]  ? __kasan_check_read+0x11/0x20
[  378.855861][  T474]  ? __fdget_pos+0x27e/0x310
[  378.860454][  T474]  ksys_write+0x198/0x2c0
[  378.864769][  T474]  ? __kasan_check_write+0x14/0x20
[  378.869862][  T474]  ? __ia32_sys_read+0x90/0x90
[  378.874642][  T474]  ? debug_smp_processor_id+0x17/0x20
[  378.880003][  T474]  __x64_sys_write+0x7b/0x90
[  378.884575][  T474]  do_syscall_64+0x34/0x70
[  378.888984][  T474]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  378.894862][  T474] RIP: 0033:0x7efdb4cf77c9
[  378.899261][  T474] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  378.918852][  T474] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  378.927249][  T474] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  378.935201][  T474] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  378.943235][  T474] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  378.951189][  T474] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  378.959140][  T474] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000012
[  378.967209][  T474] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  378.997941][  T481] FAULT_INJECTION: forcing a failure.
[  378.997941][  T481] name failslab, interval 1, probability 0, space 0, times 0
[  379.010645][  T481] CPU: 1 PID: 481 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  379.022251][  T481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  379.032291][  T481] Call Trace:
[  379.035576][  T481]  dump_stack_lvl+0x1e2/0x24b
[  379.040230][  T481]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  379.045662][  T481]  ? stack_trace_save+0x1f0/0x1f0
[  379.050680][  T481]  ? arch_stack_walk+0x106/0x140
[  379.055594][  T481]  dump_stack+0x15/0x17
[  379.059726][  T481]  should_fail+0x3c0/0x510
[  379.064117][  T481]  ? __kernfs_new_node+0x99/0x6e0
[  379.069205][  T481]  __should_failslab+0x9f/0xe0
[  379.073958][  T481]  should_failslab+0x9/0x20
[  379.078466][  T481]  __kmalloc_track_caller+0x5f/0x350
[  379.083726][  T481]  kstrdup_const+0x55/0x90
[  379.088119][  T481]  __kernfs_new_node+0x99/0x6e0
[  379.092940][  T481]  ? is_module_text_address+0xe1/0x140
[  379.098371][  T481]  ? kernfs_new_node+0x170/0x170
[  379.103280][  T481]  ? ptr_to_hashval+0x60/0x60
[  379.107927][  T481]  ? arch_stack_walk+0xf8/0x140
[  379.112750][  T481]  ? snprintf+0xd6/0x120
[  379.116994][  T481]  kernfs_new_node+0x97/0x170
[  379.121645][  T481]  __kernfs_create_file+0x4a/0x270
[  379.126727][  T481]  cgroup_addrm_files+0xab8/0xfe0
[  379.131724][  T481]  ? ____kasan_kmalloc+0xdc/0x110
[  379.136720][  T481]  ? __kasan_kmalloc+0x9/0x10
[  379.141388][  T481]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  379.147007][  T481]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  379.153134][  T481]  ? delete_node+0x759/0x7b0
[  379.157697][  T481]  ? __kasan_check_read+0x11/0x20
[  379.162696][  T481]  ? delete_node+0x759/0x7b0
[  379.167268][  T481]  ? __kasan_check_write+0x14/0x20
[  379.172365][  T481]  ? idr_replace+0x1c4/0x230
[  379.176935][  T481]  ? idr_get_next+0x4b0/0x4b0
[  379.181604][  T481]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  379.186603][  T481]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  379.191796][  T481]  css_populate_dir+0x137/0x370
[  379.196630][  T481]  cgroup_apply_control_enable+0x8b9/0x12f0
[  379.202499][  T481]  cgroup_apply_control+0x93/0x710
[  379.207582][  T481]  ? css_next_child+0x160/0x160
[  379.212410][  T481]  ? stack_trace_save+0x12d/0x1f0
[  379.217407][  T481]  ? io_schedule+0x120/0x120
[  379.221972][  T481]  ? kernfs_fop_write_iter+0x15e/0x410
[  379.227404][  T481]  ? __kasan_check_write+0x14/0x20
[  379.232486][  T481]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  379.237752][  T481]  cgroup_subtree_control_write+0xd19/0x1310
[  379.243712][  T481]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  379.249669][  T481]  ? __kasan_check_write+0x14/0x20
[  379.254751][  T481]  ? _copy_from_iter+0x3fb/0xd60
[  379.259848][  T481]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  379.265806][  T481]  cgroup_file_write+0x28e/0x590
[  379.270719][  T481]  ? cgroup_seqfile_stop+0xc0/0xc0
[  379.275802][  T481]  ? mutex_lock+0xa6/0x110
[  379.280188][  T481]  ? mutex_trylock+0xb0/0xb0
[  379.284755][  T481]  ? __kasan_check_write+0x14/0x20
[  379.289839][  T481]  kernfs_fop_write_iter+0x2d0/0x410
[  379.295212][  T481]  ? cgroup_seqfile_stop+0xc0/0xc0
[  379.300295][  T481]  vfs_write+0xc1c/0xf40
[  379.304512][  T481]  ? slab_free_freelist_hook+0xcc/0x1a0
[  379.310034][  T481]  ? kernel_write+0x3c0/0x3c0
[  379.314684][  T481]  ? do_sys_openat2+0x397/0x470
[  379.319511][  T481]  ? __kasan_check_read+0x11/0x20
[  379.324508][  T481]  ? __fdget_pos+0x27e/0x310
[  379.329074][  T481]  ksys_write+0x198/0x2c0
[  379.333376][  T481]  ? __kasan_check_write+0x14/0x20
[  379.338571][  T481]  ? __ia32_sys_read+0x90/0x90
[  379.343308][  T481]  ? debug_smp_processor_id+0x17/0x20
[  379.348652][  T481]  __x64_sys_write+0x7b/0x90
[  379.353213][  T481]  do_syscall_64+0x34/0x70
[  379.357695][  T481]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  379.363563][  T481] RIP: 0033:0x7efdb4cf77c9
[  379.367953][  T481] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  379.387532][  T481] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  379.395930][  T481] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  379.403881][  T481] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  379.411828][  T481] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  379.419882][  T481] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  379.427845][  T481] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000c
[  379.435936][  T481] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  379.478017][  T479] FAULT_INJECTION: forcing a failure.
[  379.478017][  T479] name failslab, interval 1, probability 0, space 0, times 0
[  379.490652][  T479] CPU: 0 PID: 479 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  379.502258][  T479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  379.512294][  T479] Call Trace:
[  379.515563][  T479]  dump_stack_lvl+0x1e2/0x24b
[  379.520214][  T479]  ? panic+0x7d7/0x7d7
[  379.524258][  T479]  ? arch_stack_walk+0x106/0x140
[  379.529173][  T479]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  379.534614][  T479]  ? do_syscall_64+0x34/0x70
[  379.539183][  T479]  dump_stack+0x15/0x17
[  379.543314][  T479]  should_fail+0x3c0/0x510
[  379.547710][  T479]  __should_failslab+0x9f/0xe0
[  379.552452][  T479]  should_failslab+0x9/0x20
[  379.556933][  T479]  kmem_cache_alloc+0x3f/0x300
[  379.561677][  T479]  ? __kernfs_new_node+0xdb/0x6e0
[  379.566681][  T479]  __kernfs_new_node+0xdb/0x6e0
[  379.571508][  T479]  ? is_module_text_address+0xe1/0x140
[  379.576941][  T479]  ? kernfs_new_node+0x170/0x170
[  379.581873][  T479]  ? ptr_to_hashval+0x60/0x60
[  379.586527][  T479]  ? arch_stack_walk+0xf8/0x140
[  379.591355][  T479]  ? snprintf+0xd6/0x120
[  379.595577][  T479]  kernfs_new_node+0x97/0x170
[  379.600229][  T479]  __kernfs_create_file+0x4a/0x270
[  379.605316][  T479]  cgroup_addrm_files+0xab8/0xfe0
[  379.610317][  T479]  ? ____kasan_kmalloc+0xdc/0x110
[  379.615316][  T479]  ? __kasan_kmalloc+0x9/0x10
[  379.619967][  T479]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  379.625489][  T479]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  379.631653][  T479]  ? delete_node+0x759/0x7b0
[  379.636223][  T479]  ? __kasan_check_read+0x11/0x20
[  379.641307][  T479]  ? delete_node+0x759/0x7b0
[  379.645873][  T479]  ? __kasan_check_write+0x14/0x20
[  379.650992][  T479]  ? idr_replace+0x1c4/0x230
[  379.655558][  T479]  ? idr_get_next+0x4b0/0x4b0
[  379.660211][  T479]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  379.665210][  T479]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  379.670384][  T479]  css_populate_dir+0x137/0x370
[  379.675305][  T479]  cgroup_apply_control_enable+0x8b9/0x12f0
[  379.681177][  T479]  cgroup_apply_control+0x93/0x710
[  379.686265][  T479]  ? css_next_child+0x160/0x160
[  379.691090][  T479]  ? stack_trace_save+0x12d/0x1f0
[  379.696089][  T479]  ? io_schedule+0x120/0x120
[  379.700658][  T479]  ? kernfs_fop_write_iter+0x15e/0x410
[  379.706097][  T479]  ? __kasan_check_write+0x14/0x20
[  379.711199][  T479]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  379.716493][  T479]  cgroup_subtree_control_write+0xd19/0x1310
[  379.722467][  T479]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  379.728422][  T479]  ? __kasan_check_write+0x14/0x20
[  379.733613][  T479]  ? _copy_from_iter+0x3fb/0xd60
[  379.738525][  T479]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  379.744481][  T479]  cgroup_file_write+0x28e/0x590
[  379.749395][  T479]  ? cgroup_seqfile_stop+0xc0/0xc0
[  379.754498][  T479]  ? mutex_lock+0xa6/0x110
[  379.758893][  T479]  ? mutex_trylock+0xb0/0xb0
[  379.763465][  T479]  ? __kasan_check_write+0x14/0x20
[  379.768558][  T479]  kernfs_fop_write_iter+0x2d0/0x410
[  379.773839][  T479]  ? cgroup_seqfile_stop+0xc0/0xc0
[  379.778923][  T479]  vfs_write+0xc1c/0xf40
[  379.783140][  T479]  ? slab_free_freelist_hook+0xcc/0x1a0
[  379.788668][  T479]  ? kernel_write+0x3c0/0x3c0
[  379.793321][  T479]  ? do_sys_openat2+0x397/0x470
[  379.798150][  T479]  ? __kasan_check_read+0x11/0x20
[  379.803151][  T479]  ? __fdget_pos+0x27e/0x310
[  379.807718][  T479]  ksys_write+0x198/0x2c0
[  379.812029][  T479]  ? __ia32_sys_read+0x90/0x90
[  379.816774][  T479]  ? debug_smp_processor_id+0x17/0x20
[  379.822207][  T479]  __x64_sys_write+0x7b/0x90
[  379.826773][  T479]  do_syscall_64+0x34/0x70
[  379.831170][  T479]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  379.837039][  T479] RIP: 0033:0x7efdb4cf77c9
[  379.841448][  T479] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  379.861026][  T479] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  379.869416][  T479] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  379.877367][  T479] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  379.885314][  T479] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  379.893276][  T479] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  379.901225][  T479] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000f
[  379.911591][  T479] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  379.958203][  T485] FAULT_INJECTION: forcing a failure.
[  379.958203][  T485] name failslab, interval 1, probability 0, space 0, times 0
[  379.970891][  T485] CPU: 1 PID: 485 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  379.982489][  T485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  379.992518][  T485] Call Trace:
[  379.995814][  T485]  dump_stack_lvl+0x1e2/0x24b
[  380.000463][  T485]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  380.005896][  T485]  ? selinux_kernfs_init_security+0x1a8/0x760
[  380.011939][  T485]  dump_stack+0x15/0x17
[  380.016074][  T485]  should_fail+0x3c0/0x510
[  380.020464][  T485]  ? __kernfs_new_node+0x99/0x6e0
[  380.025460][  T485]  __should_failslab+0x9f/0xe0
[  380.030196][  T485]  should_failslab+0x9/0x20
[  380.034687][  T485]  __kmalloc_track_caller+0x5f/0x350
[  380.039948][  T485]  kstrdup_const+0x55/0x90
[  380.044336][  T485]  __kernfs_new_node+0x99/0x6e0
[  380.049160][  T485]  ? is_module_text_address+0xe1/0x140
[  380.054591][  T485]  ? kernfs_new_node+0x170/0x170
[  380.059549][  T485]  ? ptr_to_hashval+0x60/0x60
[  380.064196][  T485]  ? snprintf+0xd6/0x120
[  380.068413][  T485]  ? __kasan_check_write+0x14/0x20
[  380.073514][  T485]  ? mutex_unlock+0x1d/0x40
[  380.077990][  T485]  kernfs_new_node+0x97/0x170
[  380.082642][  T485]  __kernfs_create_file+0x4a/0x270
[  380.087729][  T485]  cgroup_addrm_files+0xab8/0xfe0
[  380.092732][  T485]  ? ____kasan_kmalloc+0xdc/0x110
[  380.097731][  T485]  ? __kasan_kmalloc+0x9/0x10
[  380.102391][  T485]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  380.107907][  T485]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  380.114030][  T485]  ? delete_node+0x759/0x7b0
[  380.118593][  T485]  ? __kasan_check_read+0x11/0x20
[  380.123596][  T485]  ? idr_replace+0x1c4/0x230
[  380.128357][  T485]  ? idr_get_next+0x4b0/0x4b0
[  380.133009][  T485]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  380.138005][  T485]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  380.143177][  T485]  css_populate_dir+0x137/0x370
[  380.147999][  T485]  cgroup_apply_control_enable+0x8b9/0x12f0
[  380.153865][  T485]  cgroup_apply_control+0x93/0x710
[  380.158950][  T485]  ? css_next_child+0x160/0x160
[  380.163773][  T485]  ? stack_trace_save+0x12d/0x1f0
[  380.168769][  T485]  ? io_schedule+0x120/0x120
[  380.173330][  T485]  ? kernfs_fop_write_iter+0x15e/0x410
[  380.178763][  T485]  ? __kasan_check_write+0x14/0x20
[  380.183847][  T485]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  380.189116][  T485]  cgroup_subtree_control_write+0xd19/0x1310
[  380.195079][  T485]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  380.201041][  T485]  ? __kasan_check_write+0x14/0x20
[  380.206130][  T485]  ? _copy_from_iter+0x3fb/0xd60
[  380.211052][  T485]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  380.217005][  T485]  cgroup_file_write+0x28e/0x590
[  380.222007][  T485]  ? cgroup_seqfile_stop+0xc0/0xc0
[  380.227094][  T485]  ? mutex_lock+0xa6/0x110
[  380.231481][  T485]  ? mutex_trylock+0xb0/0xb0
[  380.236048][  T485]  ? __kasan_check_write+0x14/0x20
[  380.241138][  T485]  kernfs_fop_write_iter+0x2d0/0x410
[  380.246404][  T485]  ? cgroup_seqfile_stop+0xc0/0xc0
[  380.251516][  T485]  vfs_write+0xc1c/0xf40
[  380.255734][  T485]  ? slab_free_freelist_hook+0xcc/0x1a0
[  380.261254][  T485]  ? kernel_write+0x3c0/0x3c0
[  380.265912][  T485]  ? do_sys_openat2+0x397/0x470
[  380.270746][  T485]  ? __kasan_check_read+0x11/0x20
[  380.275748][  T485]  ? __fdget_pos+0x27e/0x310
[  380.280315][  T485]  ksys_write+0x198/0x2c0
[  380.284622][  T485]  ? __ia32_sys_read+0x90/0x90
[  380.289364][  T485]  ? debug_smp_processor_id+0x17/0x20
[  380.294710][  T485]  __x64_sys_write+0x7b/0x90
[  380.299274][  T485]  do_syscall_64+0x34/0x70
[  380.303668][  T485]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  380.309543][  T485] RIP: 0033:0x7efdb4cf77c9
[  380.314023][  T485] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  380.333602][  T485] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  380.341995][  T485] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  380.349956][  T485] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  380.357902][  T485] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  380.365847][  T485] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  380.373792][  T485] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000d
[  380.381871][  T485] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  380.428105][  T477] FAULT_INJECTION: forcing a failure.
[  380.428105][  T477] name failslab, interval 1, probability 0, space 0, times 0
[  380.440758][  T477] CPU: 0 PID: 477 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  380.452369][  T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  380.462410][  T477] Call Trace:
[  380.465682][  T477]  dump_stack_lvl+0x1e2/0x24b
[  380.470344][  T477]  ? panic+0x7d7/0x7d7
[  380.474392][  T477]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  380.479833][  T477]  ? selinux_kernfs_init_security+0x1a8/0x760
[  380.485889][  T477]  dump_stack+0x15/0x17
[  380.490024][  T477]  should_fail+0x3c0/0x510
[  380.494427][  T477]  __should_failslab+0x9f/0xe0
[  380.499168][  T477]  should_failslab+0x9/0x20
[  380.503654][  T477]  kmem_cache_alloc+0x3f/0x300
[  380.508394][  T477]  ? __kernfs_new_node+0xdb/0x6e0
[  380.513395][  T477]  __kernfs_new_node+0xdb/0x6e0
[  380.518224][  T477]  ? is_module_text_address+0xe1/0x140
[  380.523658][  T477]  ? kernfs_new_node+0x170/0x170
[  380.528574][  T477]  ? ptr_to_hashval+0x60/0x60
[  380.533226][  T477]  ? arch_stack_walk+0xf8/0x140
[  380.538053][  T477]  ? snprintf+0xd6/0x120
[  380.542276][  T477]  kernfs_new_node+0x97/0x170
[  380.546959][  T477]  __kernfs_create_file+0x4a/0x270
[  380.552046][  T477]  cgroup_addrm_files+0xab8/0xfe0
[  380.557047][  T477]  ? ____kasan_kmalloc+0xdc/0x110
[  380.562062][  T477]  ? __kasan_kmalloc+0x9/0x10
[  380.566728][  T477]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  380.572248][  T477]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  380.578375][  T477]  ? delete_node+0x759/0x7b0
[  380.582951][  T477]  ? __kasan_check_read+0x11/0x20
[  380.587988][  T477]  ? delete_node+0x759/0x7b0
[  380.592555][  T477]  ? __kasan_check_write+0x14/0x20
[  380.597652][  T477]  ? idr_replace+0x1c4/0x230
[  380.602220][  T477]  ? idr_get_next+0x4b0/0x4b0
[  380.606871][  T477]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  380.611897][  T477]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  380.617070][  T477]  css_populate_dir+0x137/0x370
[  380.621895][  T477]  cgroup_apply_control_enable+0x8b9/0x12f0
[  380.627773][  T477]  cgroup_apply_control+0x93/0x710
[  380.632864][  T477]  ? css_next_child+0x160/0x160
[  380.637701][  T477]  ? stack_trace_save+0x12d/0x1f0
[  380.642706][  T477]  ? io_schedule+0x120/0x120
[  380.647555][  T477]  ? kernfs_fop_write_iter+0x15e/0x410
[  380.652988][  T477]  ? __kasan_check_write+0x14/0x20
[  380.658073][  T477]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  380.663331][  T477]  cgroup_subtree_control_write+0xd19/0x1310
[  380.669294][  T477]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  380.675252][  T477]  ? __kasan_check_write+0x14/0x20
[  380.680334][  T477]  ? _copy_from_iter+0x3fb/0xd60
[  380.685245][  T477]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  380.691304][  T477]  cgroup_file_write+0x28e/0x590
[  380.696215][  T477]  ? cgroup_seqfile_stop+0xc0/0xc0
[  380.701302][  T477]  ? mutex_lock+0xa6/0x110
[  380.705709][  T477]  ? mutex_trylock+0xb0/0xb0
[  380.710293][  T477]  ? __kasan_check_write+0x14/0x20
[  380.715379][  T477]  kernfs_fop_write_iter+0x2d0/0x410
[  380.720634][  T477]  ? cgroup_seqfile_stop+0xc0/0xc0
[  380.725734][  T477]  vfs_write+0xc1c/0xf40
[  380.729952][  T477]  ? slab_free_freelist_hook+0xcc/0x1a0
[  380.735491][  T477]  ? kernel_write+0x3c0/0x3c0
[  380.740160][  T477]  ? do_sys_openat2+0x397/0x470
[  380.744998][  T477]  ? __kasan_check_read+0x11/0x20
[  380.750008][  T477]  ? __fdget_pos+0x27e/0x310
[  380.754581][  T477]  ksys_write+0x198/0x2c0
[  380.758890][  T477]  ? __kasan_check_write+0x14/0x20
[  380.764001][  T477]  ? __ia32_sys_read+0x90/0x90
[  380.768747][  T477]  ? debug_smp_processor_id+0x17/0x20
[  380.774104][  T477]  __x64_sys_write+0x7b/0x90
[  380.778675][  T477]  do_syscall_64+0x34/0x70
[  380.783070][  T477]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  380.788935][  T477] RIP: 0033:0x7efdb4cf77c9
[  380.793326][  T477] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  380.812906][  T477] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  380.821295][  T477] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
executing program
[  380.829243][  T477] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  380.837189][  T477] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  380.845176][  T477] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  380.853123][  T477] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000013
[  380.861207][  T477] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  380.908095][  T486] FAULT_INJECTION: forcing a failure.
[  380.908095][  T486] name failslab, interval 1, probability 0, space 0, times 0
[  380.920780][  T486] CPU: 1 PID: 486 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  380.932386][  T486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  380.942420][  T486] Call Trace:
[  380.945714][  T486]  dump_stack_lvl+0x1e2/0x24b
[  380.950381][  T486]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  380.955814][  T486]  ? selinux_kernfs_init_security+0x1a8/0x760
[  380.961855][  T486]  dump_stack+0x15/0x17
[  380.965980][  T486]  should_fail+0x3c0/0x510
[  380.970374][  T486]  ? __kernfs_new_node+0x99/0x6e0
[  380.975368][  T486]  __should_failslab+0x9f/0xe0
[  380.980102][  T486]  should_failslab+0x9/0x20
[  380.984575][  T486]  __kmalloc_track_caller+0x5f/0x350
[  380.989881][  T486]  kstrdup_const+0x55/0x90
[  380.994270][  T486]  __kernfs_new_node+0x99/0x6e0
[  380.999096][  T486]  ? is_module_text_address+0xe1/0x140
[  381.004525][  T486]  ? kernfs_new_node+0x170/0x170
[  381.009432][  T486]  ? ptr_to_hashval+0x60/0x60
[  381.014081][  T486]  ? snprintf+0xd6/0x120
[  381.018296][  T486]  ? __kasan_check_write+0x14/0x20
[  381.023394][  T486]  ? mutex_unlock+0x1d/0x40
[  381.027871][  T486]  kernfs_new_node+0x97/0x170
[  381.032531][  T486]  __kernfs_create_file+0x4a/0x270
[  381.037637][  T486]  cgroup_addrm_files+0xab8/0xfe0
[  381.042634][  T486]  ? ____kasan_kmalloc+0xdc/0x110
[  381.047636][  T486]  ? __kasan_kmalloc+0x9/0x10
[  381.052290][  T486]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  381.057807][  T486]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  381.063934][  T486]  ? delete_node+0x759/0x7b0
[  381.068498][  T486]  ? __kasan_check_read+0x11/0x20
[  381.073496][  T486]  ? idr_replace+0x1c4/0x230
[  381.078058][  T486]  ? idr_get_next+0x4b0/0x4b0
[  381.082709][  T486]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  381.087704][  T486]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  381.092875][  T486]  css_populate_dir+0x137/0x370
[  381.097699][  T486]  cgroup_apply_control_enable+0x8b9/0x12f0
[  381.103568][  T486]  cgroup_apply_control+0x93/0x710
[  381.108670][  T486]  ? css_next_child+0x160/0x160
[  381.113498][  T486]  ? stack_trace_save+0x12d/0x1f0
[  381.118497][  T486]  ? io_schedule+0x120/0x120
[  381.123059][  T486]  ? kernfs_fop_write_iter+0x15e/0x410
[  381.128489][  T486]  ? __kasan_check_write+0x14/0x20
[  381.133572][  T486]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  381.138829][  T486]  cgroup_subtree_control_write+0xd19/0x1310
[  381.144782][  T486]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  381.150733][  T486]  ? __kasan_check_write+0x14/0x20
[  381.155814][  T486]  ? _copy_from_iter+0x3fb/0xd60
[  381.160834][  T486]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  381.166783][  T486]  cgroup_file_write+0x28e/0x590
[  381.171709][  T486]  ? cgroup_seqfile_stop+0xc0/0xc0
[  381.176802][  T486]  ? mutex_lock+0xa6/0x110
[  381.181193][  T486]  ? mutex_trylock+0xb0/0xb0
[  381.185760][  T486]  ? __kasan_check_write+0x14/0x20
[  381.190843][  T486]  kernfs_fop_write_iter+0x2d0/0x410
[  381.196104][  T486]  ? cgroup_seqfile_stop+0xc0/0xc0
[  381.201186][  T486]  vfs_write+0xc1c/0xf40
[  381.205404][  T486]  ? slab_free_freelist_hook+0xcc/0x1a0
[  381.210927][  T486]  ? kernel_write+0x3c0/0x3c0
[  381.215576][  T486]  ? do_sys_openat2+0x397/0x470
[  381.220422][  T486]  ? __kasan_check_read+0x11/0x20
[  381.225421][  T486]  ? __fdget_pos+0x27e/0x310
[  381.230012][  T486]  ksys_write+0x198/0x2c0
[  381.234323][  T486]  ? __ia32_sys_read+0x90/0x90
[  381.239065][  T486]  ? debug_smp_processor_id+0x17/0x20
[  381.244412][  T486]  __x64_sys_write+0x7b/0x90
[  381.248981][  T486]  do_syscall_64+0x34/0x70
[  381.253389][  T486]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  381.259256][  T486] RIP: 0033:0x7efdb4cf77c9
[  381.263689][  T486] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  381.283271][  T486] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  381.291685][  T486] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  381.299628][  T486] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  381.307571][  T486] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  381.315607][  T486] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  381.323558][  T486] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000010
[  381.331735][  T486] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  381.377991][  T487] FAULT_INJECTION: forcing a failure.
[  381.377991][  T487] name failslab, interval 1, probability 0, space 0, times 0
[  381.390604][  T487] CPU: 0 PID: 487 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  381.402200][  T487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  381.412251][  T487] Call Trace:
[  381.415519][  T487]  dump_stack_lvl+0x1e2/0x24b
[  381.420169][  T487]  ? panic+0x7d7/0x7d7
[  381.424216][  T487]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  381.429660][  T487]  ? selinux_kernfs_init_security+0x1a8/0x760
[  381.435710][  T487]  dump_stack+0x15/0x17
[  381.439839][  T487]  should_fail+0x3c0/0x510
[  381.444250][  T487]  __should_failslab+0x9f/0xe0
[  381.449006][  T487]  should_failslab+0x9/0x20
[  381.453488][  T487]  kmem_cache_alloc+0x3f/0x300
[  381.458231][  T487]  ? __kernfs_new_node+0xdb/0x6e0
[  381.463226][  T487]  __kernfs_new_node+0xdb/0x6e0
[  381.468051][  T487]  ? is_module_text_address+0xe1/0x140
[  381.473491][  T487]  ? kernfs_new_node+0x170/0x170
[  381.478417][  T487]  ? ptr_to_hashval+0x60/0x60
[  381.483087][  T487]  ? arch_stack_walk+0xf8/0x140
[  381.487914][  T487]  ? snprintf+0xd6/0x120
[  381.492129][  T487]  kernfs_new_node+0x97/0x170
[  381.496780][  T487]  __kernfs_create_file+0x4a/0x270
[  381.501872][  T487]  cgroup_addrm_files+0xab8/0xfe0
[  381.506881][  T487]  ? ____kasan_kmalloc+0xdc/0x110
[  381.511879][  T487]  ? __kasan_kmalloc+0x9/0x10
[  381.516535][  T487]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  381.522056][  T487]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  381.528186][  T487]  ? delete_node+0x759/0x7b0
[  381.532749][  T487]  ? __kasan_check_read+0x11/0x20
[  381.537787][  T487]  ? delete_node+0x759/0x7b0
[  381.542369][  T487]  ? __kasan_check_write+0x14/0x20
[  381.547466][  T487]  ? idr_replace+0x1c4/0x230
[  381.552026][  T487]  ? idr_get_next+0x4b0/0x4b0
[  381.556674][  T487]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  381.561693][  T487]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  381.566863][  T487]  css_populate_dir+0x137/0x370
[  381.571685][  T487]  cgroup_apply_control_enable+0x8b9/0x12f0
[  381.577549][  T487]  cgroup_apply_control+0x93/0x710
[  381.582630][  T487]  ? css_next_child+0x160/0x160
[  381.587454][  T487]  ? io_schedule+0x120/0x120
[  381.592016][  T487]  ? kernfs_fop_write_iter+0x15e/0x410
[  381.597709][  T487]  ? __kasan_check_write+0x14/0x20
[  381.602798][  T487]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  381.608054][  T487]  cgroup_subtree_control_write+0xd19/0x1310
[  381.614007][  T487]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  381.619972][  T487]  ? __kasan_check_write+0x14/0x20
[  381.625065][  T487]  ? _copy_from_iter+0x3fb/0xd60
[  381.629976][  T487]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  381.635929][  T487]  cgroup_file_write+0x28e/0x590
[  381.640841][  T487]  ? cgroup_seqfile_stop+0xc0/0xc0
[  381.645927][  T487]  ? mutex_lock+0xa6/0x110
[  381.650340][  T487]  ? mutex_trylock+0xb0/0xb0
[  381.654903][  T487]  ? __kasan_check_write+0x14/0x20
[  381.659989][  T487]  kernfs_fop_write_iter+0x2d0/0x410
[  381.665246][  T487]  ? cgroup_seqfile_stop+0xc0/0xc0
[  381.670336][  T487]  vfs_write+0xc1c/0xf40
[  381.674553][  T487]  ? kernel_write+0x3c0/0x3c0
[  381.679201][  T487]  ? do_sys_openat2+0x397/0x470
[  381.684025][  T487]  ? __kasan_check_read+0x11/0x20
[  381.689027][  T487]  ? __fdget_pos+0x27e/0x310
[  381.693616][  T487]  ksys_write+0x198/0x2c0
[  381.697921][  T487]  ? __kasan_check_write+0x14/0x20
[  381.703034][  T487]  ? __ia32_sys_read+0x90/0x90
[  381.707786][  T487]  ? debug_smp_processor_id+0x17/0x20
[  381.713128][  T487]  __x64_sys_write+0x7b/0x90
[  381.717690][  T487]  do_syscall_64+0x34/0x70
[  381.722094][  T487]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  381.727967][  T487] RIP: 0033:0x7efdb4cf77c9
[  381.732361][  T487] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  381.751970][  T487] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  381.760359][  T487] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  381.768315][  T487] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  381.776365][  T487] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  381.784317][  T487] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  381.792272][  T487] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000e
[  381.800318][  T487] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  381.848414][  T483] FAULT_INJECTION: forcing a failure.
[  381.848414][  T483] name failslab, interval 1, probability 0, space 0, times 0
[  381.861272][  T483] CPU: 0 PID: 483 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  381.872976][  T483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  381.883009][  T483] Call Trace:
[  381.886299][  T483]  dump_stack_lvl+0x1e2/0x24b
[  381.890980][  T483]  ? panic+0x7d7/0x7d7
[  381.895042][  T483]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  381.900475][  T483]  ? selinux_kernfs_init_security+0x1a8/0x760
[  381.906606][  T483]  dump_stack+0x15/0x17
[  381.910737][  T483]  should_fail+0x3c0/0x510
[  381.915130][  T483]  __should_failslab+0x9f/0xe0
[  381.919874][  T483]  should_failslab+0x9/0x20
[  381.924354][  T483]  kmem_cache_alloc+0x3f/0x300
[  381.929097][  T483]  ? __kernfs_new_node+0xdb/0x6e0
[  381.934106][  T483]  __kernfs_new_node+0xdb/0x6e0
[  381.938935][  T483]  ? is_module_text_address+0xe1/0x140
[  381.944376][  T483]  ? kernfs_new_node+0x170/0x170
[  381.949295][  T483]  ? ptr_to_hashval+0x60/0x60
[  381.953954][  T483]  ? arch_stack_walk+0xf8/0x140
[  381.958780][  T483]  ? snprintf+0xd6/0x120
[  381.963003][  T483]  kernfs_new_node+0x97/0x170
[  381.967664][  T483]  __kernfs_create_file+0x4a/0x270
[  381.972747][  T483]  cgroup_addrm_files+0xab8/0xfe0
[  381.977750][  T483]  ? ____kasan_kmalloc+0xdc/0x110
[  381.982773][  T483]  ? __kasan_kmalloc+0x9/0x10
[  381.987441][  T483]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  381.992966][  T483]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  381.999111][  T483]  ? delete_node+0x759/0x7b0
[  382.003681][  T483]  ? __kasan_check_read+0x11/0x20
[  382.008681][  T483]  ? delete_node+0x759/0x7b0
[  382.013332][  T483]  ? __kasan_check_write+0x14/0x20
[  382.018421][  T483]  ? idr_replace+0x1c4/0x230
[  382.022988][  T483]  ? idr_get_next+0x4b0/0x4b0
[  382.027641][  T483]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  382.032640][  T483]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  382.037812][  T483]  css_populate_dir+0x137/0x370
[  382.042675][  T483]  cgroup_apply_control_enable+0x8b9/0x12f0
[  382.048562][  T483]  cgroup_apply_control+0x93/0x710
[  382.053661][  T483]  ? css_next_child+0x160/0x160
[  382.058495][  T483]  ? stack_trace_save+0x12d/0x1f0
[  382.063514][  T483]  ? io_schedule+0x120/0x120
[  382.068084][  T483]  ? kernfs_fop_write_iter+0x15e/0x410
[  382.073526][  T483]  ? __kasan_check_write+0x14/0x20
[  382.078677][  T483]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  382.083957][  T483]  cgroup_subtree_control_write+0xd19/0x1310
[  382.089944][  T483]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  382.095916][  T483]  ? __kasan_check_write+0x14/0x20
[  382.101013][  T483]  ? _copy_from_iter+0x3fb/0xd60
[  382.105935][  T483]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  382.111894][  T483]  cgroup_file_write+0x28e/0x590
[  382.116818][  T483]  ? cgroup_seqfile_stop+0xc0/0xc0
[  382.121924][  T483]  ? mutex_lock+0xa6/0x110
[  382.126322][  T483]  ? mutex_trylock+0xb0/0xb0
[  382.130889][  T483]  ? __kasan_check_write+0x14/0x20
[  382.135993][  T483]  kernfs_fop_write_iter+0x2d0/0x410
[  382.141264][  T483]  ? cgroup_seqfile_stop+0xc0/0xc0
[  382.146364][  T483]  vfs_write+0xc1c/0xf40
[  382.150618][  T483]  ? slab_free_freelist_hook+0xcc/0x1a0
[  382.156141][  T483]  ? kernel_write+0x3c0/0x3c0
[  382.160824][  T483]  ? do_sys_openat2+0x397/0x470
[  382.165723][  T483]  ? __kasan_check_read+0x11/0x20
[  382.170728][  T483]  ? __fdget_pos+0x27e/0x310
[  382.175306][  T483]  ksys_write+0x198/0x2c0
[  382.179634][  T483]  ? __ia32_sys_read+0x90/0x90
[  382.184378][  T483]  ? debug_smp_processor_id+0x17/0x20
[  382.189727][  T483]  __x64_sys_write+0x7b/0x90
[  382.194291][  T483]  do_syscall_64+0x34/0x70
[  382.198684][  T483]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  382.204549][  T483] RIP: 0033:0x7efdb4cf77c9
[  382.208958][  T483] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  382.228551][  T483] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  382.236948][  T483] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  382.244948][  T483] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  382.252895][  T483] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  382.260852][  T483] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  382.268797][  T483] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000010
[  382.276934][  T483] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  382.318007][  T482] FAULT_INJECTION: forcing a failure.
[  382.318007][  T482] name failslab, interval 1, probability 0, space 0, times 0
[  382.330656][  T482] CPU: 0 PID: 482 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  382.342255][  T482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  382.352286][  T482] Call Trace:
[  382.355563][  T482]  dump_stack_lvl+0x1e2/0x24b
[  382.360239][  T482]  ? panic+0x7d7/0x7d7
[  382.364290][  T482]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  382.369739][  T482]  ? selinux_kernfs_init_security+0x1a8/0x760
[  382.375789][  T482]  dump_stack+0x15/0x17
[  382.379918][  T482]  should_fail+0x3c0/0x510
[  382.384312][  T482]  __should_failslab+0x9f/0xe0
[  382.389055][  T482]  should_failslab+0x9/0x20
[  382.393531][  T482]  kmem_cache_alloc+0x3f/0x300
[  382.398268][  T482]  ? __kernfs_new_node+0xdb/0x6e0
[  382.403277][  T482]  __kernfs_new_node+0xdb/0x6e0
[  382.408115][  T482]  ? is_module_text_address+0xe1/0x140
[  382.413564][  T482]  ? kernfs_new_node+0x170/0x170
[  382.418478][  T482]  ? ptr_to_hashval+0x60/0x60
[  382.423132][  T482]  ? arch_stack_walk+0xf8/0x140
[  382.427961][  T482]  ? snprintf+0xd6/0x120
[  382.432183][  T482]  kernfs_new_node+0x97/0x170
[  382.436842][  T482]  __kernfs_create_file+0x4a/0x270
[  382.441932][  T482]  cgroup_addrm_files+0xab8/0xfe0
[  382.446937][  T482]  ? ____kasan_kmalloc+0xdc/0x110
[  382.451953][  T482]  ? __kasan_kmalloc+0x9/0x10
[  382.456613][  T482]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  382.462137][  T482]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  382.468295][  T482]  ? delete_node+0x759/0x7b0
[  382.472867][  T482]  ? __kasan_check_read+0x11/0x20
[  382.477870][  T482]  ? delete_node+0x759/0x7b0
[  382.482444][  T482]  ? __kasan_check_write+0x14/0x20
[  382.487530][  T482]  ? idr_replace+0x1c4/0x230
[  382.492096][  T482]  ? idr_get_next+0x4b0/0x4b0
[  382.496748][  T482]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  382.501747][  T482]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  382.506946][  T482]  css_populate_dir+0x137/0x370
[  382.511772][  T482]  cgroup_apply_control_enable+0x8b9/0x12f0
[  382.517646][  T482]  cgroup_apply_control+0x93/0x710
[  382.522744][  T482]  ? css_next_child+0x160/0x160
[  382.527572][  T482]  ? stack_trace_save+0x12d/0x1f0
[  382.532575][  T482]  ? io_schedule+0x120/0x120
[  382.537139][  T482]  ? kernfs_fop_write_iter+0x15e/0x410
[  382.542579][  T482]  ? __kasan_check_write+0x14/0x20
[  382.547665][  T482]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  382.552923][  T482]  cgroup_subtree_control_write+0xd19/0x1310
[  382.558876][  T482]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  382.564834][  T482]  ? __kasan_check_write+0x14/0x20
[  382.569920][  T482]  ? _copy_from_iter+0x3fb/0xd60
[  382.574833][  T482]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  382.580789][  T482]  cgroup_file_write+0x28e/0x590
[  382.585791][  T482]  ? cgroup_seqfile_stop+0xc0/0xc0
[  382.590892][  T482]  ? mutex_lock+0xa6/0x110
[  382.595297][  T482]  ? mutex_trylock+0xb0/0xb0
[  382.599861][  T482]  ? __kasan_check_write+0x14/0x20
[  382.604944][  T482]  kernfs_fop_write_iter+0x2d0/0x410
[  382.610202][  T482]  ? cgroup_seqfile_stop+0xc0/0xc0
[  382.615289][  T482]  vfs_write+0xc1c/0xf40
[  382.619529][  T482]  ? slab_free_freelist_hook+0xcc/0x1a0
[  382.625047][  T482]  ? kernel_write+0x3c0/0x3c0
[  382.629873][  T482]  ? do_sys_openat2+0x397/0x470
[  382.634700][  T482]  ? __kasan_check_read+0x11/0x20
[  382.639747][  T482]  ? __fdget_pos+0x27e/0x310
[  382.644322][  T482]  ksys_write+0x198/0x2c0
[  382.648651][  T482]  ? __ia32_sys_read+0x90/0x90
[  382.653393][  T482]  ? debug_smp_processor_id+0x17/0x20
[  382.658778][  T482]  __x64_sys_write+0x7b/0x90
[  382.663350][  T482]  do_syscall_64+0x34/0x70
[  382.667763][  T482]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  382.673657][  T482] RIP: 0033:0x7efdb4cf77c9
[  382.678046][  T482] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  382.697624][  T482] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  382.706029][  T482] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  382.713977][  T482] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  382.721940][  T482] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  382.729891][  T482] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  382.737838][  T482] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000013
[  382.745967][  T482] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  382.788266][  T490] FAULT_INJECTION: forcing a failure.
[  382.788266][  T490] name failslab, interval 1, probability 0, space 0, times 0
[  382.800891][  T490] CPU: 0 PID: 490 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  382.812491][  T490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  382.822522][  T490] Call Trace:
[  382.825794][  T490]  dump_stack_lvl+0x1e2/0x24b
[  382.830449][  T490]  ? panic+0x7d7/0x7d7
[  382.834507][  T490]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  382.839939][  T490]  ? selinux_kernfs_init_security+0x1a8/0x760
[  382.846095][  T490]  dump_stack+0x15/0x17
[  382.850243][  T490]  should_fail+0x3c0/0x510
[  382.854635][  T490]  __should_failslab+0x9f/0xe0
[  382.859383][  T490]  should_failslab+0x9/0x20
[  382.863882][  T490]  kmem_cache_alloc+0x3f/0x300
[  382.868622][  T490]  ? __kernfs_new_node+0xdb/0x6e0
[  382.873618][  T490]  __kernfs_new_node+0xdb/0x6e0
[  382.878442][  T490]  ? is_module_text_address+0xe1/0x140
[  382.883874][  T490]  ? kernfs_new_node+0x170/0x170
[  382.888792][  T490]  ? ptr_to_hashval+0x60/0x60
[  382.893441][  T490]  ? arch_stack_walk+0xf8/0x140
[  382.898285][  T490]  ? snprintf+0xd6/0x120
[  382.902499][  T490]  kernfs_new_node+0x97/0x170
[  382.907172][  T490]  __kernfs_create_file+0x4a/0x270
[  382.912257][  T490]  cgroup_addrm_files+0xab8/0xfe0
[  382.917256][  T490]  ? ____kasan_kmalloc+0xdc/0x110
[  382.922252][  T490]  ? __kasan_kmalloc+0x9/0x10
[  382.926913][  T490]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  382.932441][  T490]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  382.938576][  T490]  ? delete_node+0x759/0x7b0
[  382.943152][  T490]  ? __kasan_check_read+0x11/0x20
[  382.948157][  T490]  ? delete_node+0x759/0x7b0
[  382.952725][  T490]  ? __kasan_check_write+0x14/0x20
[  382.957828][  T490]  ? idr_replace+0x1c4/0x230
[  382.962395][  T490]  ? idr_get_next+0x4b0/0x4b0
[  382.967120][  T490]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  382.972133][  T490]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  382.977313][  T490]  css_populate_dir+0x137/0x370
[  382.982142][  T490]  cgroup_apply_control_enable+0x8b9/0x12f0
[  382.988192][  T490]  cgroup_apply_control+0x93/0x710
[  382.993290][  T490]  ? css_next_child+0x160/0x160
[  382.998213][  T490]  ? stack_trace_save+0x12d/0x1f0
[  383.003219][  T490]  ? io_schedule+0x120/0x120
[  383.007792][  T490]  ? kernfs_fop_write_iter+0x15e/0x410
[  383.013231][  T490]  ? __kasan_check_write+0x14/0x20
[  383.018319][  T490]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  383.023587][  T490]  cgroup_subtree_control_write+0xd19/0x1310
[  383.029552][  T490]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  383.035510][  T490]  ? __kasan_check_write+0x14/0x20
[  383.040599][  T490]  ? _copy_from_iter+0x3fb/0xd60
[  383.045512][  T490]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  383.051481][  T490]  cgroup_file_write+0x28e/0x590
[  383.056399][  T490]  ? cgroup_seqfile_stop+0xc0/0xc0
[  383.061487][  T490]  ? mutex_lock+0xa6/0x110
[  383.065877][  T490]  ? mutex_trylock+0xb0/0xb0
[  383.070473][  T490]  ? __kasan_check_write+0x14/0x20
[  383.075560][  T490]  kernfs_fop_write_iter+0x2d0/0x410
[  383.080821][  T490]  ? cgroup_seqfile_stop+0xc0/0xc0
[  383.085915][  T490]  vfs_write+0xc1c/0xf40
[  383.090140][  T490]  ? slab_free_freelist_hook+0xcc/0x1a0
[  383.095668][  T490]  ? kernel_write+0x3c0/0x3c0
[  383.100328][  T490]  ? do_sys_openat2+0x397/0x470
[  383.105150][  T490]  ? __kasan_check_read+0x11/0x20
[  383.110151][  T490]  ? __fdget_pos+0x27e/0x310
[  383.114717][  T490]  ksys_write+0x198/0x2c0
[  383.119025][  T490]  ? __ia32_sys_read+0x90/0x90
[  383.123765][  T490]  ? debug_smp_processor_id+0x17/0x20
[  383.129113][  T490]  __x64_sys_write+0x7b/0x90
[  383.133689][  T490]  do_syscall_64+0x34/0x70
[  383.138084][  T490]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  383.143959][  T490] RIP: 0033:0x7efdb4cf77c9
[  383.148367][  T490] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  383.168070][  T490] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  383.176485][  T490] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  383.184441][  T490] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  383.192482][  T490] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  383.200431][  T490] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  383.208381][  T490] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000000f
[  383.216455][  T490] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  383.248228][  T493] FAULT_INJECTION: forcing a failure.
[  383.248228][  T493] name failslab, interval 1, probability 0, space 0, times 0
[  383.260949][  T493] CPU: 1 PID: 493 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  383.272578][  T493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  383.282616][  T493] Call Trace:
[  383.285892][  T493]  dump_stack_lvl+0x1e2/0x24b
[  383.290547][  T493]  ? panic+0x7d7/0x7d7
[  383.294595][  T493]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  383.300035][  T493]  ? selinux_kernfs_init_security+0x1a8/0x760
[  383.306084][  T493]  dump_stack+0x15/0x17
[  383.310237][  T493]  should_fail+0x3c0/0x510
[  383.314637][  T493]  __should_failslab+0x9f/0xe0
[  383.319388][  T493]  should_failslab+0x9/0x20
[  383.323883][  T493]  kmem_cache_alloc+0x3f/0x300
[  383.328631][  T493]  ? __kernfs_new_node+0xdb/0x6e0
[  383.333649][  T493]  __kernfs_new_node+0xdb/0x6e0
[  383.338483][  T493]  ? is_module_text_address+0xe1/0x140
[  383.343934][  T493]  ? kernfs_new_node+0x170/0x170
[  383.348852][  T493]  ? ptr_to_hashval+0x60/0x60
[  383.353510][  T493]  ? arch_stack_walk+0xf8/0x140
[  383.358340][  T493]  ? snprintf+0xd6/0x120
[  383.362561][  T493]  kernfs_new_node+0x97/0x170
[  383.367241][  T493]  __kernfs_create_file+0x4a/0x270
[  383.372403][  T493]  cgroup_addrm_files+0xab8/0xfe0
[  383.377419][  T493]  ? ____kasan_kmalloc+0xdc/0x110
[  383.382423][  T493]  ? __kasan_kmalloc+0x9/0x10
[  383.387080][  T493]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  383.392612][  T493]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  383.398749][  T493]  ? delete_node+0x759/0x7b0
[  383.403327][  T493]  ? __kasan_check_read+0x11/0x20
[  383.408326][  T493]  ? delete_node+0x759/0x7b0
[  383.412980][  T493]  ? __kasan_check_write+0x14/0x20
[  383.418086][  T493]  ? idr_replace+0x1c4/0x230
[  383.422664][  T493]  ? idr_get_next+0x4b0/0x4b0
[  383.427327][  T493]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  383.432333][  T493]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  383.437505][  T493]  css_populate_dir+0x137/0x370
[  383.442456][  T493]  cgroup_apply_control_enable+0x8b9/0x12f0
[  383.448350][  T493]  cgroup_apply_control+0x93/0x710
[  383.453544][  T493]  ? css_next_child+0x160/0x160
[  383.458492][  T493]  ? stack_trace_save+0x12d/0x1f0
[  383.463494][  T493]  ? io_schedule+0x120/0x120
[  383.468065][  T493]  ? kernfs_fop_write_iter+0x15e/0x410
[  383.473500][  T493]  ? __kasan_check_write+0x14/0x20
[  383.478586][  T493]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  383.483840][  T493]  cgroup_subtree_control_write+0xd19/0x1310
[  383.489799][  T493]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  383.495753][  T493]  ? __kasan_check_write+0x14/0x20
[  383.500838][  T493]  ? _copy_from_iter+0x3fb/0xd60
[  383.505749][  T493]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  383.511702][  T493]  cgroup_file_write+0x28e/0x590
[  383.516721][  T493]  ? cgroup_seqfile_stop+0xc0/0xc0
[  383.521812][  T493]  ? mutex_lock+0xa6/0x110
[  383.526208][  T493]  ? mutex_trylock+0xb0/0xb0
[  383.530783][  T493]  ? __kasan_check_write+0x14/0x20
[  383.535877][  T493]  kernfs_fop_write_iter+0x2d0/0x410
[  383.541237][  T493]  ? cgroup_seqfile_stop+0xc0/0xc0
[  383.546331][  T493]  vfs_write+0xc1c/0xf40
[  383.550558][  T493]  ? slab_free_freelist_hook+0xcc/0x1a0
[  383.556084][  T493]  ? kernel_write+0x3c0/0x3c0
[  383.560735][  T493]  ? do_sys_openat2+0x397/0x470
[  383.565561][  T493]  ? __kasan_check_read+0x11/0x20
[  383.570563][  T493]  ? __fdget_pos+0x27e/0x310
[  383.575127][  T493]  ksys_write+0x198/0x2c0
[  383.579433][  T493]  ? __ia32_sys_read+0x90/0x90
[  383.584168][  T493]  ? debug_smp_processor_id+0x17/0x20
[  383.594739][  T493]  __x64_sys_write+0x7b/0x90
[  383.599305][  T493]  do_syscall_64+0x34/0x70
[  383.603711][  T493]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  383.609574][  T493] RIP: 0033:0x7efdb4cf77c9
[  383.613963][  T493] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  383.633538][  T493] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  383.641922][  T493] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  383.649866][  T493] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  383.657820][  T493] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  383.665770][  T493] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  383.673717][  T493] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000010
[  383.681840][  T493] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  383.728158][  T484] FAULT_INJECTION: forcing a failure.
[  383.728158][  T484] name failslab, interval 1, probability 0, space 0, times 0
[  383.740812][  T484] CPU: 1 PID: 484 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  383.752412][  T484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  383.762561][  T484] Call Trace:
[  383.765827][  T484]  dump_stack_lvl+0x1e2/0x24b
[  383.770475][  T484]  ? panic+0x7d7/0x7d7
[  383.774515][  T484]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  383.779943][  T484]  ? selinux_kernfs_init_security+0x1a8/0x760
[  383.785989][  T484]  dump_stack+0x15/0x17
[  383.790123][  T484]  should_fail+0x3c0/0x510
[  383.794511][  T484]  __should_failslab+0x9f/0xe0
[  383.799247][  T484]  should_failslab+0x9/0x20
[  383.803720][  T484]  kmem_cache_alloc+0x3f/0x300
[  383.808454][  T484]  ? __kernfs_new_node+0xdb/0x6e0
[  383.813450][  T484]  __kernfs_new_node+0xdb/0x6e0
[  383.818274][  T484]  ? is_module_text_address+0xe1/0x140
[  383.823702][  T484]  ? kernfs_new_node+0x170/0x170
[  383.828614][  T484]  ? ptr_to_hashval+0x60/0x60
[  383.833261][  T484]  ? arch_stack_walk+0xf8/0x140
[  383.838085][  T484]  ? snprintf+0xd6/0x120
[  383.842301][  T484]  kernfs_new_node+0x97/0x170
[  383.846950][  T484]  __kernfs_create_file+0x4a/0x270
[  383.852034][  T484]  cgroup_addrm_files+0xab8/0xfe0
[  383.857029][  T484]  ? ____kasan_kmalloc+0xdc/0x110
[  383.862023][  T484]  ? __kasan_kmalloc+0x9/0x10
[  383.866670][  T484]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  383.872185][  T484]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  383.878308][  T484]  ? delete_node+0x759/0x7b0
[  383.882871][  T484]  ? __kasan_check_read+0x11/0x20
[  383.887875][  T484]  ? delete_node+0x759/0x7b0
[  383.892439][  T484]  ? __kasan_check_write+0x14/0x20
[  383.897519][  T484]  ? idr_replace+0x1c4/0x230
[  383.902082][  T484]  ? idr_get_next+0x4b0/0x4b0
[  383.906729][  T484]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  383.911723][  T484]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  383.916891][  T484]  css_populate_dir+0x137/0x370
[  383.921720][  T484]  cgroup_apply_control_enable+0x8b9/0x12f0
[  383.927583][  T484]  cgroup_apply_control+0x93/0x710
[  383.932664][  T484]  ? css_next_child+0x160/0x160
[  383.937485][  T484]  ? stack_trace_save+0x12d/0x1f0
[  383.942478][  T484]  ? io_schedule+0x120/0x120
[  383.947037][  T484]  ? kernfs_fop_write_iter+0x15e/0x410
[  383.952467][  T484]  ? __kasan_check_write+0x14/0x20
[  383.957548][  T484]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  383.962821][  T484]  cgroup_subtree_control_write+0xd19/0x1310
[  383.968770][  T484]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  383.974744][  T484]  ? __kasan_check_write+0x14/0x20
[  383.979832][  T484]  ? _copy_from_iter+0x3fb/0xd60
[  383.984838][  T484]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  383.990793][  T484]  cgroup_file_write+0x28e/0x590
[  383.995718][  T484]  ? cgroup_seqfile_stop+0xc0/0xc0
[  384.000820][  T484]  ? mutex_lock+0xa6/0x110
[  384.005232][  T484]  ? mutex_trylock+0xb0/0xb0
[  384.009801][  T484]  ? __kasan_check_write+0x14/0x20
[  384.014887][  T484]  kernfs_fop_write_iter+0x2d0/0x410
[  384.020151][  T484]  ? cgroup_seqfile_stop+0xc0/0xc0
[  384.025248][  T484]  vfs_write+0xc1c/0xf40
[  384.029477][  T484]  ? slab_free_freelist_hook+0xcc/0x1a0
[  384.034999][  T484]  ? kernel_write+0x3c0/0x3c0
[  384.039648][  T484]  ? do_sys_openat2+0x397/0x470
[  384.044484][  T484]  ? __kasan_check_read+0x11/0x20
[  384.049480][  T484]  ? __fdget_pos+0x27e/0x310
[  384.054059][  T484]  ksys_write+0x198/0x2c0
[  384.058373][  T484]  ? __ia32_sys_read+0x90/0x90
[  384.063129][  T484]  ? debug_smp_processor_id+0x17/0x20
[  384.068472][  T484]  __x64_sys_write+0x7b/0x90
[  384.073121][  T484]  do_syscall_64+0x34/0x70
[  384.077512][  T484]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  384.083375][  T484] RIP: 0033:0x7efdb4cf77c9
[  384.087774][  T484] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  384.107399][  T484] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  384.115788][  T484] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
executing program
[  384.123738][  T484] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  384.131684][  T484] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  384.139627][  T484] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  384.147593][  T484] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000013
[  384.155706][  T484] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  384.198159][  T492] FAULT_INJECTION: forcing a failure.
[  384.198159][  T492] name failslab, interval 1, probability 0, space 0, times 0
[  384.210865][  T492] CPU: 0 PID: 492 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  384.222475][  T492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  384.232504][  T492] Call Trace:
[  384.235841][  T492]  dump_stack_lvl+0x1e2/0x24b
[  384.240502][  T492]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  384.245931][  T492]  ? selinux_kernfs_init_security+0x1a8/0x760
[  384.251973][  T492]  dump_stack+0x15/0x17
[  384.256098][  T492]  should_fail+0x3c0/0x510
[  384.260488][  T492]  ? __kernfs_new_node+0x99/0x6e0
[  384.265482][  T492]  __should_failslab+0x9f/0xe0
[  384.270217][  T492]  should_failslab+0x9/0x20
[  384.274690][  T492]  __kmalloc_track_caller+0x5f/0x350
[  384.279947][  T492]  kstrdup_const+0x55/0x90
[  384.284343][  T492]  __kernfs_new_node+0x99/0x6e0
[  384.289172][  T492]  ? is_module_text_address+0xe1/0x140
[  384.294601][  T492]  ? kernfs_new_node+0x170/0x170
[  384.299552][  T492]  ? ptr_to_hashval+0x60/0x60
[  384.304202][  T492]  ? snprintf+0xd6/0x120
[  384.308416][  T492]  ? __kasan_check_write+0x14/0x20
[  384.313499][  T492]  ? mutex_unlock+0x1d/0x40
[  384.317974][  T492]  kernfs_new_node+0x97/0x170
[  384.322629][  T492]  __kernfs_create_file+0x4a/0x270
[  384.327710][  T492]  cgroup_addrm_files+0xab8/0xfe0
[  384.332706][  T492]  ? ____kasan_kmalloc+0xdc/0x110
[  384.337702][  T492]  ? __kasan_kmalloc+0x9/0x10
[  384.342349][  T492]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  384.347869][  T492]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  384.353990][  T492]  ? delete_node+0x759/0x7b0
[  384.358553][  T492]  ? __kasan_check_read+0x11/0x20
[  384.363551][  T492]  ? idr_replace+0x1c4/0x230
[  384.368113][  T492]  ? idr_get_next+0x4b0/0x4b0
[  384.372761][  T492]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  384.377761][  T492]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  384.382944][  T492]  css_populate_dir+0x137/0x370
[  384.387777][  T492]  cgroup_apply_control_enable+0x8b9/0x12f0
[  384.393655][  T492]  cgroup_apply_control+0x93/0x710
[  384.398737][  T492]  ? css_next_child+0x160/0x160
[  384.403558][  T492]  ? stack_trace_save+0x12d/0x1f0
[  384.408611][  T492]  ? io_schedule+0x120/0x120
[  384.413194][  T492]  ? kernfs_fop_write_iter+0x15e/0x410
[  384.418629][  T492]  ? __kasan_check_write+0x14/0x20
[  384.423715][  T492]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  384.428981][  T492]  cgroup_subtree_control_write+0xd19/0x1310
[  384.435029][  T492]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  384.440986][  T492]  ? __kasan_check_write+0x14/0x20
[  384.446077][  T492]  ? _copy_from_iter+0x3fb/0xd60
[  384.450995][  T492]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  384.456975][  T492]  cgroup_file_write+0x28e/0x590
[  384.461900][  T492]  ? cgroup_seqfile_stop+0xc0/0xc0
[  384.466990][  T492]  ? mutex_lock+0xa6/0x110
[  384.471382][  T492]  ? mutex_trylock+0xb0/0xb0
[  384.475947][  T492]  ? __kasan_check_write+0x14/0x20
[  384.481042][  T492]  kernfs_fop_write_iter+0x2d0/0x410
[  384.486309][  T492]  ? cgroup_seqfile_stop+0xc0/0xc0
[  384.491427][  T492]  vfs_write+0xc1c/0xf40
[  384.495657][  T492]  ? slab_free_freelist_hook+0xcc/0x1a0
[  384.501178][  T492]  ? kernel_write+0x3c0/0x3c0
[  384.505828][  T492]  ? do_sys_openat2+0x397/0x470
[  384.510653][  T492]  ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[  384.516872][  T492]  ? __kasan_check_read+0x11/0x20
[  384.521872][  T492]  ? __fdget_pos+0x27e/0x310
[  384.526435][  T492]  ksys_write+0x198/0x2c0
[  384.530736][  T492]  ? __ia32_sys_read+0x90/0x90
[  384.535486][  T492]  ? debug_smp_processor_id+0x17/0x20
[  384.540833][  T492]  __x64_sys_write+0x7b/0x90
[  384.545394][  T492]  do_syscall_64+0x34/0x70
[  384.549785][  T492]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  384.555646][  T492] RIP: 0033:0x7efdb4cf77c9
[  384.560038][  T492] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  384.579625][  T492] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  384.588025][  T492] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  384.595976][  T492] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  384.603931][  T492] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  384.611875][  T492] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  384.619818][  T492] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000014
[  384.627875][  T492] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  384.668197][  T495] FAULT_INJECTION: forcing a failure.
[  384.668197][  T495] name failslab, interval 1, probability 0, space 0, times 0
[  384.680892][  T495] CPU: 0 PID: 495 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  384.692495][  T495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  384.702524][  T495] Call Trace:
[  384.705790][  T495]  dump_stack_lvl+0x1e2/0x24b
[  384.710440][  T495]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  384.715870][  T495]  ? selinux_kernfs_init_security+0x1a8/0x760
[  384.721907][  T495]  dump_stack+0x15/0x17
[  384.726077][  T495]  should_fail+0x3c0/0x510
[  384.730467][  T495]  ? __kernfs_new_node+0x99/0x6e0
[  384.735462][  T495]  __should_failslab+0x9f/0xe0
[  384.740233][  T495]  should_failslab+0x9/0x20
[  384.744714][  T495]  __kmalloc_track_caller+0x5f/0x350
[  384.749973][  T495]  kstrdup_const+0x55/0x90
[  384.754365][  T495]  __kernfs_new_node+0x99/0x6e0
[  384.759192][  T495]  ? is_module_text_address+0xe1/0x140
[  384.764622][  T495]  ? kernfs_new_node+0x170/0x170
[  384.769531][  T495]  ? ptr_to_hashval+0x60/0x60
[  384.774177][  T495]  ? snprintf+0xd6/0x120
[  384.778402][  T495]  ? __kasan_check_write+0x14/0x20
[  384.783489][  T495]  ? mutex_unlock+0x1d/0x40
[  384.787964][  T495]  kernfs_new_node+0x97/0x170
[  384.792611][  T495]  __kernfs_create_file+0x4a/0x270
[  384.797692][  T495]  cgroup_addrm_files+0xab8/0xfe0
[  384.802686][  T495]  ? ____kasan_kmalloc+0xdc/0x110
[  384.807682][  T495]  ? __kasan_kmalloc+0x9/0x10
[  384.812340][  T495]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  384.817876][  T495]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  384.824013][  T495]  ? delete_node+0x759/0x7b0
[  384.828573][  T495]  ? __kasan_check_read+0x11/0x20
[  384.833569][  T495]  ? idr_replace+0x1c4/0x230
[  384.838129][  T495]  ? idr_get_next+0x4b0/0x4b0
[  384.842777][  T495]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  384.847773][  T495]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  384.852957][  T495]  css_populate_dir+0x137/0x370
[  384.857797][  T495]  cgroup_apply_control_enable+0x8b9/0x12f0
[  384.863666][  T495]  cgroup_apply_control+0x93/0x710
[  384.868753][  T495]  ? css_next_child+0x160/0x160
[  384.873573][  T495]  ? stack_trace_save+0x12d/0x1f0
[  384.878570][  T495]  ? io_schedule+0x120/0x120
[  384.883133][  T495]  ? kernfs_fop_write_iter+0x15e/0x410
[  384.888563][  T495]  ? __kasan_check_write+0x14/0x20
[  384.893654][  T495]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  384.898915][  T495]  cgroup_subtree_control_write+0xd19/0x1310
[  384.904865][  T495]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  384.910821][  T495]  ? __kasan_check_write+0x14/0x20
[  384.915906][  T495]  ? _copy_from_iter+0x3fb/0xd60
[  384.920824][  T495]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  384.926773][  T495]  cgroup_file_write+0x28e/0x590
[  384.931681][  T495]  ? cgroup_seqfile_stop+0xc0/0xc0
[  384.936766][  T495]  ? mutex_lock+0xa6/0x110
[  384.941174][  T495]  ? mutex_trylock+0xb0/0xb0
[  384.945737][  T495]  ? __kasan_check_write+0x14/0x20
[  384.950833][  T495]  kernfs_fop_write_iter+0x2d0/0x410
[  384.956103][  T495]  ? cgroup_seqfile_stop+0xc0/0xc0
[  384.961208][  T495]  vfs_write+0xc1c/0xf40
[  384.965439][  T495]  ? slab_free_freelist_hook+0xcc/0x1a0
[  384.971053][  T495]  ? kernel_write+0x3c0/0x3c0
[  384.975800][  T495]  ? do_sys_openat2+0x397/0x470
[  384.980801][  T495]  ? __kasan_check_read+0x11/0x20
[  384.985799][  T495]  ? __fdget_pos+0x27e/0x310
[  384.990389][  T495]  ksys_write+0x198/0x2c0
[  384.994714][  T495]  ? __ia32_sys_read+0x90/0x90
[  384.999461][  T495]  ? debug_smp_processor_id+0x17/0x20
[  385.004813][  T495]  __x64_sys_write+0x7b/0x90
[  385.009538][  T495]  do_syscall_64+0x34/0x70
[  385.013944][  T495]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  385.019819][  T495] RIP: 0033:0x7efdb4cf77c9
[  385.024208][  T495] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  385.043802][  T495] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  385.052191][  T495] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  385.060137][  T495] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  385.068095][  T495] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  385.076086][  T495] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  385.084035][  T495] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000014
[  385.092147][  T495] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  385.138505][  T494] FAULT_INJECTION: forcing a failure.
[  385.138505][  T494] name failslab, interval 1, probability 0, space 0, times 0
[  385.151149][  T494] CPU: 1 PID: 494 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  385.162752][  T494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  385.172780][  T494] Call Trace:
[  385.176056][  T494]  dump_stack_lvl+0x1e2/0x24b
[  385.180722][  T494]  ? panic+0x7d7/0x7d7
[  385.184787][  T494]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  385.190320][  T494]  ? selinux_kernfs_init_security+0x1a8/0x760
[  385.196370][  T494]  dump_stack+0x15/0x17
[  385.200505][  T494]  should_fail+0x3c0/0x510
[  385.204898][  T494]  __should_failslab+0x9f/0xe0
[  385.209648][  T494]  should_failslab+0x9/0x20
[  385.214150][  T494]  kmem_cache_alloc+0x3f/0x300
[  385.219150][  T494]  ? __kernfs_new_node+0xdb/0x6e0
[  385.224160][  T494]  __kernfs_new_node+0xdb/0x6e0
[  385.228990][  T494]  ? is_module_text_address+0xe1/0x140
[  385.234422][  T494]  ? kernfs_new_node+0x170/0x170
[  385.239340][  T494]  ? ptr_to_hashval+0x60/0x60
[  385.243997][  T494]  ? arch_stack_walk+0xf8/0x140
[  385.248840][  T494]  ? snprintf+0xd6/0x120
[  385.253143][  T494]  kernfs_new_node+0x97/0x170
[  385.257803][  T494]  __kernfs_create_file+0x4a/0x270
[  385.262889][  T494]  cgroup_addrm_files+0xab8/0xfe0
[  385.267892][  T494]  ? ____kasan_kmalloc+0xdc/0x110
[  385.272900][  T494]  ? __kasan_kmalloc+0x9/0x10
[  385.277553][  T494]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  385.283077][  T494]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  385.289206][  T494]  ? delete_node+0x759/0x7b0
[  385.293774][  T494]  ? __kasan_check_read+0x11/0x20
[  385.298776][  T494]  ? delete_node+0x759/0x7b0
[  385.303344][  T494]  ? __kasan_check_write+0x14/0x20
[  385.308449][  T494]  ? idr_replace+0x1c4/0x230
[  385.313016][  T494]  ? idr_get_next+0x4b0/0x4b0
[  385.317678][  T494]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  385.322677][  T494]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  385.327850][  T494]  css_populate_dir+0x137/0x370
[  385.332675][  T494]  cgroup_apply_control_enable+0x8b9/0x12f0
[  385.338543][  T494]  cgroup_apply_control+0x93/0x710
[  385.343626][  T494]  ? css_next_child+0x160/0x160
[  385.348448][  T494]  ? stack_trace_save+0x12d/0x1f0
[  385.353460][  T494]  ? io_schedule+0x120/0x120
[  385.358112][  T494]  ? kernfs_fop_write_iter+0x15e/0x410
[  385.363556][  T494]  ? __kasan_check_write+0x14/0x20
[  385.368646][  T494]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  385.373909][  T494]  cgroup_subtree_control_write+0xd19/0x1310
[  385.379864][  T494]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  385.385818][  T494]  ? __kasan_check_write+0x14/0x20
[  385.390902][  T494]  ? _copy_from_iter+0x3fb/0xd60
[  385.395812][  T494]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  385.401764][  T494]  cgroup_file_write+0x28e/0x590
[  385.406679][  T494]  ? cgroup_seqfile_stop+0xc0/0xc0
[  385.411763][  T494]  ? mutex_lock+0xa6/0x110
[  385.416151][  T494]  ? mutex_trylock+0xb0/0xb0
[  385.420717][  T494]  ? __kasan_check_write+0x14/0x20
[  385.425801][  T494]  kernfs_fop_write_iter+0x2d0/0x410
[  385.431060][  T494]  ? cgroup_seqfile_stop+0xc0/0xc0
[  385.436147][  T494]  vfs_write+0xc1c/0xf40
[  385.440363][  T494]  ? slab_free_freelist_hook+0xcc/0x1a0
[  385.445881][  T494]  ? kernel_write+0x3c0/0x3c0
[  385.450532][  T494]  ? do_sys_openat2+0x397/0x470
[  385.455370][  T494]  ? __kasan_check_read+0x11/0x20
[  385.460378][  T494]  ? __fdget_pos+0x27e/0x310
[  385.464946][  T494]  ksys_write+0x198/0x2c0
[  385.469255][  T494]  ? __ia32_sys_read+0x90/0x90
[  385.473998][  T494]  ? debug_smp_processor_id+0x17/0x20
[  385.479349][  T494]  __x64_sys_write+0x7b/0x90
[  385.483916][  T494]  do_syscall_64+0x34/0x70
[  385.488311][  T494]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  385.494179][  T494] RIP: 0033:0x7efdb4cf77c9
[  385.498579][  T494] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  385.518162][  T494] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  385.526548][  T494] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  385.534494][  T494] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  385.542442][  T494] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  385.550390][  T494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  385.558336][  T494] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000011
[  385.566536][  T494] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  385.608032][  T489] FAULT_INJECTION: forcing a failure.
[  385.608032][  T489] name failslab, interval 1, probability 0, space 0, times 0
[  385.620724][  T489] CPU: 0 PID: 489 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  385.632337][  T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  385.642371][  T489] Call Trace:
[  385.645641][  T489]  dump_stack_lvl+0x1e2/0x24b
[  385.650300][  T489]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  385.655750][  T489]  ? selinux_kernfs_init_security+0x1a8/0x760
[  385.661800][  T489]  dump_stack+0x15/0x17
[  385.665929][  T489]  should_fail+0x3c0/0x510
[  385.670316][  T489]  ? __kernfs_new_node+0x99/0x6e0
[  385.675311][  T489]  __should_failslab+0x9f/0xe0
[  385.680046][  T489]  should_failslab+0x9/0x20
[  385.684520][  T489]  __kmalloc_track_caller+0x5f/0x350
[  385.689781][  T489]  kstrdup_const+0x55/0x90
[  385.694173][  T489]  __kernfs_new_node+0x99/0x6e0
[  385.698999][  T489]  ? is_module_text_address+0xe1/0x140
[  385.704435][  T489]  ? kernfs_new_node+0x170/0x170
[  385.709349][  T489]  ? ptr_to_hashval+0x60/0x60
[  385.713998][  T489]  ? snprintf+0xd6/0x120
[  385.718211][  T489]  ? __kasan_check_write+0x14/0x20
[  385.723295][  T489]  ? mutex_unlock+0x1d/0x40
[  385.727769][  T489]  kernfs_new_node+0x97/0x170
[  385.732435][  T489]  __kernfs_create_file+0x4a/0x270
[  385.737519][  T489]  cgroup_addrm_files+0xab8/0xfe0
[  385.742517][  T489]  ? ____kasan_kmalloc+0xdc/0x110
[  385.747518][  T489]  ? __kasan_kmalloc+0x9/0x10
[  385.752176][  T489]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  385.757700][  T489]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  385.763853][  T489]  ? delete_node+0x759/0x7b0
[  385.768424][  T489]  ? __kasan_check_read+0x11/0x20
[  385.773427][  T489]  ? idr_replace+0x1c4/0x230
[  385.777996][  T489]  ? idr_get_next+0x4b0/0x4b0
[  385.782644][  T489]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  385.787638][  T489]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  385.792808][  T489]  css_populate_dir+0x137/0x370
[  385.797638][  T489]  cgroup_apply_control_enable+0x8b9/0x12f0
[  385.803505][  T489]  cgroup_apply_control+0x93/0x710
[  385.808587][  T489]  ? css_next_child+0x160/0x160
[  385.813417][  T489]  ? io_schedule+0x120/0x120
[  385.817996][  T489]  ? kernfs_fop_write_iter+0x15e/0x410
[  385.823428][  T489]  ? __kasan_check_write+0x14/0x20
[  385.828600][  T489]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  385.833854][  T489]  cgroup_subtree_control_write+0xd19/0x1310
[  385.839804][  T489]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  385.845757][  T489]  ? __kasan_check_write+0x14/0x20
[  385.851020][  T489]  ? _copy_from_iter+0x3fb/0xd60
[  385.855930][  T489]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  385.861898][  T489]  cgroup_file_write+0x28e/0x590
[  385.866809][  T489]  ? cgroup_seqfile_stop+0xc0/0xc0
[  385.871889][  T489]  ? mutex_lock+0xa6/0x110
[  385.876277][  T489]  ? mutex_trylock+0xb0/0xb0
[  385.880845][  T489]  ? __kasan_check_write+0x14/0x20
[  385.885928][  T489]  kernfs_fop_write_iter+0x2d0/0x410
[  385.891184][  T489]  ? cgroup_seqfile_stop+0xc0/0xc0
[  385.896269][  T489]  vfs_write+0xc1c/0xf40
[  385.900485][  T489]  ? kernel_write+0x3c0/0x3c0
[  385.905133][  T489]  ? do_sys_openat2+0x397/0x470
[  385.910010][  T489]  ? __kasan_check_read+0x11/0x20
[  385.915015][  T489]  ? __fdget_pos+0x27e/0x310
[  385.919583][  T489]  ksys_write+0x198/0x2c0
[  385.923892][  T489]  ? __ia32_sys_read+0x90/0x90
[  385.928628][  T489]  ? debug_smp_processor_id+0x17/0x20
[  385.933974][  T489]  __x64_sys_write+0x7b/0x90
[  385.938535][  T489]  do_syscall_64+0x34/0x70
[  385.942925][  T489]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  385.948789][  T489] RIP: 0033:0x7efdb4cf77c9
[  385.953189][  T489] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  385.972767][  T489] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  385.981152][  T489] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  385.989100][  T489] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  385.997051][  T489] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  386.004997][  T489] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  386.012952][  T489] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000011
[  386.020991][  T489] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  386.068058][  T488] FAULT_INJECTION: forcing a failure.
[  386.068058][  T488] name failslab, interval 1, probability 0, space 0, times 0
[  386.080694][  T488] CPU: 1 PID: 488 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  386.092299][  T488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  386.102342][  T488] Call Trace:
[  386.105619][  T488]  dump_stack_lvl+0x1e2/0x24b
[  386.110272][  T488]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  386.115727][  T488]  ? selinux_kernfs_init_security+0x1a8/0x760
[  386.121781][  T488]  dump_stack+0x15/0x17
[  386.125932][  T488]  should_fail+0x3c0/0x510
[  386.130340][  T488]  ? __kernfs_new_node+0x99/0x6e0
[  386.135351][  T488]  __should_failslab+0x9f/0xe0
[  386.140110][  T488]  should_failslab+0x9/0x20
[  386.144593][  T488]  __kmalloc_track_caller+0x5f/0x350
[  386.149860][  T488]  kstrdup_const+0x55/0x90
[  386.154269][  T488]  __kernfs_new_node+0x99/0x6e0
[  386.159126][  T488]  ? is_module_text_address+0xe1/0x140
[  386.164565][  T488]  ? kernfs_new_node+0x170/0x170
[  386.169485][  T488]  ? ptr_to_hashval+0x60/0x60
[  386.174139][  T488]  ? snprintf+0xd6/0x120
[  386.178372][  T488]  ? __kasan_check_write+0x14/0x20
[  386.183471][  T488]  ? mutex_unlock+0x1d/0x40
[  386.187962][  T488]  kernfs_new_node+0x97/0x170
[  386.192634][  T488]  __kernfs_create_file+0x4a/0x270
[  386.197726][  T488]  cgroup_addrm_files+0xab8/0xfe0
[  386.202824][  T488]  ? ____kasan_kmalloc+0xdc/0x110
[  386.207824][  T488]  ? __kasan_kmalloc+0x9/0x10
[  386.212477][  T488]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  386.217999][  T488]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  386.224124][  T488]  ? delete_node+0x759/0x7b0
[  386.228689][  T488]  ? __kasan_check_read+0x11/0x20
[  386.233688][  T488]  ? idr_replace+0x1c4/0x230
[  386.238251][  T488]  ? idr_get_next+0x4b0/0x4b0
[  386.242904][  T488]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  386.247903][  T488]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  386.253076][  T488]  css_populate_dir+0x137/0x370
[  386.257903][  T488]  cgroup_apply_control_enable+0x8b9/0x12f0
[  386.263772][  T488]  cgroup_apply_control+0x93/0x710
[  386.268872][  T488]  ? css_next_child+0x160/0x160
[  386.273717][  T488]  ? stack_trace_save+0x12d/0x1f0
[  386.278741][  T488]  ? io_schedule+0x120/0x120
[  386.283314][  T488]  ? kernfs_fop_write_iter+0x15e/0x410
[  386.288756][  T488]  ? __kasan_check_write+0x14/0x20
[  386.293843][  T488]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  386.299105][  T488]  cgroup_subtree_control_write+0xd19/0x1310
[  386.305060][  T488]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  386.311023][  T488]  ? __kasan_check_write+0x14/0x20
[  386.316106][  T488]  ? _copy_from_iter+0x3fb/0xd60
[  386.321019][  T488]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  386.326973][  T488]  cgroup_file_write+0x28e/0x590
[  386.331884][  T488]  ? cgroup_seqfile_stop+0xc0/0xc0
[  386.336971][  T488]  ? mutex_lock+0xa6/0x110
[  386.341362][  T488]  ? mutex_trylock+0xb0/0xb0
[  386.345930][  T488]  ? __kasan_check_write+0x14/0x20
[  386.351013][  T488]  kernfs_fop_write_iter+0x2d0/0x410
[  386.356272][  T488]  ? cgroup_seqfile_stop+0xc0/0xc0
[  386.361362][  T488]  vfs_write+0xc1c/0xf40
[  386.365579][  T488]  ? slab_free_freelist_hook+0xcc/0x1a0
[  386.371109][  T488]  ? kernel_write+0x3c0/0x3c0
[  386.375758][  T488]  ? do_sys_openat2+0x397/0x470
[  386.380582][  T488]  ? __kasan_check_read+0x11/0x20
[  386.385578][  T488]  ? __fdget_pos+0x27e/0x310
[  386.390141][  T488]  ksys_write+0x198/0x2c0
[  386.394447][  T488]  ? __ia32_sys_read+0x90/0x90
[  386.399189][  T488]  ? debug_smp_processor_id+0x17/0x20
[  386.404545][  T488]  __x64_sys_write+0x7b/0x90
[  386.409108][  T488]  do_syscall_64+0x34/0x70
[  386.413505][  T488]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  386.419378][  T488] RIP: 0033:0x7efdb4cf77c9
[  386.423767][  T488] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  386.443343][  T488] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  386.451732][  T488] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  386.459680][  T488] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
executing program
[  386.467623][  T488] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  386.475569][  T488] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  386.483515][  T488] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000014
[  386.491759][  T488] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  386.538077][  T491] FAULT_INJECTION: forcing a failure.
[  386.538077][  T491] name failslab, interval 1, probability 0, space 0, times 0
[  386.550736][  T491] CPU: 0 PID: 491 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  386.562334][  T491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  386.572364][  T491] Call Trace:
[  386.575634][  T491]  dump_stack_lvl+0x1e2/0x24b
[  386.580287][  T491]  ? panic+0x7d7/0x7d7
[  386.584334][  T491]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  386.589767][  T491]  ? selinux_kernfs_init_security+0x1a8/0x760
[  386.595806][  T491]  dump_stack+0x15/0x17
[  386.599934][  T491]  should_fail+0x3c0/0x510
[  386.604321][  T491]  __should_failslab+0x9f/0xe0
[  386.609070][  T491]  should_failslab+0x9/0x20
[  386.613543][  T491]  kmem_cache_alloc+0x3f/0x300
[  386.618278][  T491]  ? __kernfs_new_node+0xdb/0x6e0
[  386.623275][  T491]  __kernfs_new_node+0xdb/0x6e0
[  386.628099][  T491]  ? is_module_text_address+0xe1/0x140
[  386.633532][  T491]  ? kernfs_new_node+0x170/0x170
[  386.638440][  T491]  ? ptr_to_hashval+0x60/0x60
[  386.643090][  T491]  ? arch_stack_walk+0xf8/0x140
[  386.647912][  T491]  ? snprintf+0xd6/0x120
[  386.652125][  T491]  kernfs_new_node+0x97/0x170
[  386.656775][  T491]  __kernfs_create_file+0x4a/0x270
[  386.661874][  T491]  cgroup_addrm_files+0xab8/0xfe0
[  386.666916][  T491]  ? ____kasan_kmalloc+0xdc/0x110
[  386.671918][  T491]  ? __kasan_kmalloc+0x9/0x10
[  386.676564][  T491]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  386.682093][  T491]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  386.688229][  T491]  ? delete_node+0x759/0x7b0
[  386.692792][  T491]  ? __kasan_check_read+0x11/0x20
[  386.697790][  T491]  ? delete_node+0x759/0x7b0
[  386.702349][  T491]  ? __kasan_check_write+0x14/0x20
[  386.707431][  T491]  ? idr_replace+0x1c4/0x230
[  386.711990][  T491]  ? idr_get_next+0x4b0/0x4b0
[  386.716637][  T491]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  386.721632][  T491]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  386.726801][  T491]  css_populate_dir+0x137/0x370
[  386.731620][  T491]  cgroup_apply_control_enable+0x8b9/0x12f0
[  386.737485][  T491]  cgroup_apply_control+0x93/0x710
[  386.742576][  T491]  ? css_next_child+0x160/0x160
[  386.747400][  T491]  ? stack_trace_save+0x12d/0x1f0
[  386.752401][  T491]  ? io_schedule+0x120/0x120
[  386.756962][  T491]  ? kernfs_fop_write_iter+0x15e/0x410
[  386.762395][  T491]  ? __kasan_check_write+0x14/0x20
[  386.767477][  T491]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  386.772737][  T491]  cgroup_subtree_control_write+0xd19/0x1310
[  386.778692][  T491]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  386.784642][  T491]  ? __kasan_check_write+0x14/0x20
[  386.789725][  T491]  ? _copy_from_iter+0x3fb/0xd60
[  386.794635][  T491]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  386.800584][  T491]  cgroup_file_write+0x28e/0x590
[  386.805493][  T491]  ? cgroup_seqfile_stop+0xc0/0xc0
[  386.810576][  T491]  ? mutex_lock+0xa6/0x110
[  386.814962][  T491]  ? mutex_trylock+0xb0/0xb0
[  386.819561][  T491]  ? __kasan_check_write+0x14/0x20
[  386.824644][  T491]  kernfs_fop_write_iter+0x2d0/0x410
[  386.829907][  T491]  ? cgroup_seqfile_stop+0xc0/0xc0
[  386.834996][  T491]  vfs_write+0xc1c/0xf40
[  386.839210][  T491]  ? slab_free_freelist_hook+0xcc/0x1a0
[  386.844725][  T491]  ? kernel_write+0x3c0/0x3c0
[  386.849379][  T491]  ? do_sys_openat2+0x397/0x470
[  386.854223][  T491]  ? __kasan_check_read+0x11/0x20
[  386.859225][  T491]  ? __fdget_pos+0x27e/0x310
[  386.863800][  T491]  ksys_write+0x198/0x2c0
[  386.868106][  T491]  ? __ia32_sys_read+0x90/0x90
[  386.872845][  T491]  ? debug_smp_processor_id+0x17/0x20
[  386.878187][  T491]  __x64_sys_write+0x7b/0x90
[  386.882750][  T491]  do_syscall_64+0x34/0x70
[  386.887137][  T491]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  386.893001][  T491] RIP: 0033:0x7efdb4cf77c9
[  386.897387][  T491] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  386.916976][  T491] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  386.925376][  T491] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  386.933325][  T491] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  386.941270][  T491] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  386.949217][  T491] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  386.957162][  T491] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000011
[  386.965302][  T491] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  387.048213][  T501] FAULT_INJECTION: forcing a failure.
[  387.048213][  T501] name failslab, interval 1, probability 0, space 0, times 0
[  387.060827][  T501] CPU: 0 PID: 501 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  387.072426][  T501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  387.082455][  T501] Call Trace:
[  387.085719][  T501]  dump_stack_lvl+0x1e2/0x24b
[  387.090366][  T501]  ? panic+0x7d7/0x7d7
[  387.094408][  T501]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  387.099841][  T501]  ? selinux_kernfs_init_security+0x1a8/0x760
[  387.105891][  T501]  dump_stack+0x15/0x17
[  387.110027][  T501]  should_fail+0x3c0/0x510
[  387.114417][  T501]  __should_failslab+0x9f/0xe0
[  387.119154][  T501]  should_failslab+0x9/0x20
[  387.123632][  T501]  kmem_cache_alloc+0x3f/0x300
[  387.128374][  T501]  ? __kernfs_new_node+0xdb/0x6e0
[  387.133373][  T501]  __kernfs_new_node+0xdb/0x6e0
[  387.138206][  T501]  ? is_module_text_address+0xe1/0x140
[  387.143647][  T501]  ? kernfs_new_node+0x170/0x170
[  387.148567][  T501]  ? ptr_to_hashval+0x60/0x60
[  387.153213][  T501]  ? arch_stack_walk+0xf8/0x140
[  387.158032][  T501]  ? snprintf+0xd6/0x120
[  387.162250][  T501]  kernfs_new_node+0x97/0x170
[  387.166910][  T501]  __kernfs_create_file+0x4a/0x270
[  387.171993][  T501]  cgroup_addrm_files+0xab8/0xfe0
[  387.176987][  T501]  ? ____kasan_kmalloc+0xdc/0x110
[  387.181986][  T501]  ? __kasan_kmalloc+0x9/0x10
[  387.186648][  T501]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  387.192178][  T501]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  387.198300][  T501]  ? delete_node+0x759/0x7b0
[  387.202881][  T501]  ? __kasan_check_read+0x11/0x20
[  387.207880][  T501]  ? delete_node+0x759/0x7b0
[  387.212444][  T501]  ? __kasan_check_write+0x14/0x20
[  387.217527][  T501]  ? idr_replace+0x1c4/0x230
[  387.222087][  T501]  ? idr_get_next+0x4b0/0x4b0
[  387.226734][  T501]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  387.231730][  T501]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  387.236904][  T501]  css_populate_dir+0x137/0x370
[  387.241728][  T501]  cgroup_apply_control_enable+0x8b9/0x12f0
[  387.247600][  T501]  cgroup_apply_control+0x93/0x710
[  387.252695][  T501]  ? css_next_child+0x160/0x160
[  387.257514][  T501]  ? stack_trace_save+0x12d/0x1f0
[  387.262512][  T501]  ? io_schedule+0x120/0x120
[  387.267074][  T501]  ? kernfs_fop_write_iter+0x15e/0x410
[  387.272507][  T501]  ? __kasan_check_write+0x14/0x20
[  387.277592][  T501]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  387.282866][  T501]  cgroup_subtree_control_write+0xd19/0x1310
[  387.288845][  T501]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  387.294797][  T501]  ? __kasan_check_write+0x14/0x20
[  387.299887][  T501]  ? _copy_from_iter+0x3fb/0xd60
[  387.304795][  T501]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  387.310744][  T501]  cgroup_file_write+0x28e/0x590
[  387.315665][  T501]  ? cgroup_seqfile_stop+0xc0/0xc0
[  387.320752][  T501]  ? mutex_lock+0xa6/0x110
[  387.325139][  T501]  ? mutex_trylock+0xb0/0xb0
[  387.329710][  T501]  ? __kasan_check_write+0x14/0x20
[  387.334802][  T501]  kernfs_fop_write_iter+0x2d0/0x410
[  387.340059][  T501]  ? cgroup_seqfile_stop+0xc0/0xc0
[  387.345146][  T501]  vfs_write+0xc1c/0xf40
[  387.349364][  T501]  ? slab_free_freelist_hook+0xcc/0x1a0
[  387.354901][  T501]  ? kernel_write+0x3c0/0x3c0
[  387.359551][  T501]  ? do_sys_openat2+0x397/0x470
[  387.364373][  T501]  ? __kasan_check_read+0x11/0x20
[  387.369378][  T501]  ? __fdget_pos+0x27e/0x310
[  387.373941][  T501]  ksys_write+0x198/0x2c0
[  387.378244][  T501]  ? __ia32_sys_read+0x90/0x90
[  387.382979][  T501]  ? debug_smp_processor_id+0x17/0x20
[  387.388324][  T501]  __x64_sys_write+0x7b/0x90
[  387.392884][  T501]  do_syscall_64+0x34/0x70
[  387.397272][  T501]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  387.403138][  T501] RIP: 0033:0x7efdb4cf77c9
[  387.407526][  T501] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  387.427102][  T501] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  387.435486][  T501] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  387.443528][  T501] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  387.451470][  T501] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  387.459415][  T501] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  387.467370][  T501] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000012
[  387.475395][  T501] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  387.518197][  T502] FAULT_INJECTION: forcing a failure.
[  387.518197][  T502] name failslab, interval 1, probability 0, space 0, times 0
[  387.530810][  T502] CPU: 0 PID: 502 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  387.542406][  T502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  387.552432][  T502] Call Trace:
[  387.555700][  T502]  dump_stack_lvl+0x1e2/0x24b
[  387.560353][  T502]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  387.565784][  T502]  ? selinux_kernfs_init_security+0x1a8/0x760
[  387.571819][  T502]  dump_stack+0x15/0x17
[  387.575949][  T502]  should_fail+0x3c0/0x510
[  387.580338][  T502]  ? __kernfs_new_node+0x99/0x6e0
[  387.585333][  T502]  __should_failslab+0x9f/0xe0
[  387.590068][  T502]  should_failslab+0x9/0x20
[  387.594551][  T502]  __kmalloc_track_caller+0x5f/0x350
[  387.599818][  T502]  kstrdup_const+0x55/0x90
[  387.604220][  T502]  __kernfs_new_node+0x99/0x6e0
[  387.609044][  T502]  ? is_module_text_address+0xe1/0x140
[  387.614487][  T502]  ? kernfs_new_node+0x170/0x170
[  387.619401][  T502]  ? ptr_to_hashval+0x60/0x60
[  387.624046][  T502]  ? snprintf+0xd6/0x120
[  387.628261][  T502]  ? __kasan_check_write+0x14/0x20
[  387.633342][  T502]  ? mutex_unlock+0x1d/0x40
[  387.637816][  T502]  kernfs_new_node+0x97/0x170
[  387.642461][  T502]  __kernfs_create_file+0x4a/0x270
[  387.647542][  T502]  cgroup_addrm_files+0xab8/0xfe0
[  387.652541][  T502]  ? ____kasan_kmalloc+0xdc/0x110
[  387.657553][  T502]  ? __kasan_kmalloc+0x9/0x10
[  387.662206][  T502]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  387.667740][  T502]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  387.673872][  T502]  ? delete_node+0x759/0x7b0
[  387.678445][  T502]  ? __kasan_check_read+0x11/0x20
[  387.683440][  T502]  ? idr_replace+0x1c4/0x230
[  387.688015][  T502]  ? idr_get_next+0x4b0/0x4b0
[  387.692667][  T502]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  387.697662][  T502]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  387.702839][  T502]  css_populate_dir+0x137/0x370
[  387.707677][  T502]  cgroup_apply_control_enable+0x8b9/0x12f0
[  387.713565][  T502]  cgroup_apply_control+0x93/0x710
[  387.718663][  T502]  ? css_next_child+0x160/0x160
[  387.723485][  T502]  ? stack_trace_save+0x12d/0x1f0
[  387.728490][  T502]  ? io_schedule+0x120/0x120
[  387.733051][  T502]  ? kernfs_fop_write_iter+0x15e/0x410
[  387.738481][  T502]  ? __kasan_check_write+0x14/0x20
[  387.743562][  T502]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  387.748820][  T502]  cgroup_subtree_control_write+0xd19/0x1310
[  387.754777][  T502]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  387.760727][  T502]  ? __kasan_check_write+0x14/0x20
[  387.765806][  T502]  ? _copy_from_iter+0x3fb/0xd60
[  387.770715][  T502]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  387.776665][  T502]  cgroup_file_write+0x28e/0x590
[  387.781574][  T502]  ? cgroup_seqfile_stop+0xc0/0xc0
[  387.786658][  T502]  ? mutex_lock+0xa6/0x110
[  387.791047][  T502]  ? mutex_trylock+0xb0/0xb0
[  387.795672][  T502]  ? __kasan_check_write+0x14/0x20
[  387.800755][  T502]  kernfs_fop_write_iter+0x2d0/0x410
[  387.806051][  T502]  ? cgroup_seqfile_stop+0xc0/0xc0
[  387.811144][  T502]  vfs_write+0xc1c/0xf40
[  387.815360][  T502]  ? slab_free_freelist_hook+0xcc/0x1a0
[  387.820878][  T502]  ? kernel_write+0x3c0/0x3c0
[  387.825527][  T502]  ? do_sys_openat2+0x397/0x470
[  387.830395][  T502]  ? __kasan_check_read+0x11/0x20
[  387.835434][  T502]  ? __fdget_pos+0x27e/0x310
[  387.840020][  T502]  ksys_write+0x198/0x2c0
[  387.844332][  T502]  ? __ia32_sys_read+0x90/0x90
[  387.849070][  T502]  ? debug_smp_processor_id+0x17/0x20
[  387.854413][  T502]  __x64_sys_write+0x7b/0x90
[  387.858974][  T502]  do_syscall_64+0x34/0x70
[  387.863361][  T502]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  387.869224][  T502] RIP: 0033:0x7efdb4cf77c9
[  387.873623][  T502] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  387.893203][  T502] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  387.901602][  T502] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  387.909545][  T502] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  387.917488][  T502] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  387.925455][  T502] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  387.933404][  T502] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000013
[  387.941506][  T502] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  388.048049][  T499] FAULT_INJECTION: forcing a failure.
[  388.048049][  T499] name failslab, interval 1, probability 0, space 0, times 0
[  388.060939][  T499] CPU: 0 PID: 499 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  388.072535][  T499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  388.082564][  T499] Call Trace:
[  388.085846][  T499]  dump_stack_lvl+0x1e2/0x24b
[  388.090497][  T499]  ? panic+0x7d7/0x7d7
[  388.094536][  T499]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  388.099967][  T499]  ? selinux_kernfs_init_security+0x1a8/0x760
[  388.106011][  T499]  dump_stack+0x15/0x17
[  388.110146][  T499]  should_fail+0x3c0/0x510
[  388.114530][  T499]  __should_failslab+0x9f/0xe0
[  388.119267][  T499]  should_failslab+0x9/0x20
[  388.123754][  T499]  kmem_cache_alloc+0x3f/0x300
[  388.128493][  T499]  ? __kernfs_new_node+0xdb/0x6e0
[  388.133508][  T499]  __kernfs_new_node+0xdb/0x6e0
[  388.138346][  T499]  ? is_module_text_address+0xe1/0x140
[  388.143779][  T499]  ? kernfs_new_node+0x170/0x170
[  388.148721][  T499]  ? ptr_to_hashval+0x60/0x60
[  388.153385][  T499]  ? arch_stack_walk+0xf8/0x140
[  388.158213][  T499]  ? snprintf+0xd6/0x120
[  388.162435][  T499]  kernfs_new_node+0x97/0x170
[  388.167090][  T499]  __kernfs_create_file+0x4a/0x270
[  388.172174][  T499]  cgroup_addrm_files+0xab8/0xfe0
[  388.177180][  T499]  ? ____kasan_kmalloc+0xdc/0x110
[  388.182179][  T499]  ? __kasan_kmalloc+0x9/0x10
[  388.186835][  T499]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  388.192362][  T499]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  388.198493][  T499]  ? delete_node+0x759/0x7b0
[  388.203066][  T499]  ? __kasan_check_read+0x11/0x20
[  388.208066][  T499]  ? delete_node+0x759/0x7b0
[  388.212629][  T499]  ? __kasan_check_write+0x14/0x20
[  388.217715][  T499]  ? idr_replace+0x1c4/0x230
[  388.222285][  T499]  ? idr_get_next+0x4b0/0x4b0
[  388.226934][  T499]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  388.231930][  T499]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  388.237104][  T499]  css_populate_dir+0x137/0x370
[  388.241925][  T499]  cgroup_apply_control_enable+0x8b9/0x12f0
[  388.247795][  T499]  cgroup_apply_control+0x93/0x710
[  388.252885][  T499]  ? css_next_child+0x160/0x160
[  388.257714][  T499]  ? io_schedule+0x120/0x120
[  388.262285][  T499]  ? kernfs_fop_write_iter+0x15e/0x410
[  388.267719][  T499]  ? __kasan_check_write+0x14/0x20
[  388.272803][  T499]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  388.278073][  T499]  cgroup_subtree_control_write+0xd19/0x1310
[  388.284023][  T499]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  388.289973][  T499]  ? __kasan_check_write+0x14/0x20
[  388.295053][  T499]  ? _copy_from_iter+0x3fb/0xd60
[  388.300006][  T499]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  388.305956][  T499]  cgroup_file_write+0x28e/0x590
[  388.310863][  T499]  ? cgroup_seqfile_stop+0xc0/0xc0
[  388.315946][  T499]  ? mutex_lock+0xa6/0x110
[  388.320334][  T499]  ? mutex_trylock+0xb0/0xb0
[  388.324896][  T499]  ? __kasan_check_write+0x14/0x20
[  388.329981][  T499]  kernfs_fop_write_iter+0x2d0/0x410
[  388.335248][  T499]  ? cgroup_seqfile_stop+0xc0/0xc0
[  388.340337][  T499]  vfs_write+0xc1c/0xf40
[  388.344553][  T499]  ? kernel_write+0x3c0/0x3c0
[  388.349202][  T499]  ? do_sys_openat2+0x397/0x470
[  388.354023][  T499]  ? __kasan_check_read+0x11/0x20
[  388.359017][  T499]  ? __fdget_pos+0x27e/0x310
[  388.363577][  T499]  ksys_write+0x198/0x2c0
[  388.367878][  T499]  ? __ia32_sys_read+0x90/0x90
[  388.372618][  T499]  ? debug_smp_processor_id+0x17/0x20
[  388.377964][  T499]  __x64_sys_write+0x7b/0x90
[  388.382532][  T499]  do_syscall_64+0x34/0x70
[  388.386919][  T499]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  388.392783][  T499] RIP: 0033:0x7efdb4cf77c9
[  388.397172][  T499] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  388.416749][  T499] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  388.425132][  T499] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  388.433078][  T499] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  388.441023][  T499] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  388.448969][  T499] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  388.456912][  T499] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000012
[  388.464946][  T499] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  388.508018][  T498] FAULT_INJECTION: forcing a failure.
[  388.508018][  T498] name failslab, interval 1, probability 0, space 0, times 0
[  388.520692][  T498] CPU: 0 PID: 498 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  388.532288][  T498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  388.542319][  T498] Call Trace:
[  388.545584][  T498]  dump_stack_lvl+0x1e2/0x24b
[  388.550233][  T498]  ? panic+0x7d7/0x7d7
[  388.554279][  T498]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  388.559888][  T498]  ? selinux_kernfs_init_security+0x1a8/0x760
[  388.565931][  T498]  dump_stack+0x15/0x17
[  388.570058][  T498]  should_fail+0x3c0/0x510
[  388.574448][  T498]  __should_failslab+0x9f/0xe0
[  388.579181][  T498]  should_failslab+0x9/0x20
[  388.583655][  T498]  kmem_cache_alloc+0x3f/0x300
[  388.588392][  T498]  ? __kernfs_new_node+0xdb/0x6e0
[  388.593383][  T498]  __kernfs_new_node+0xdb/0x6e0
[  388.598204][  T498]  ? is_module_text_address+0xe1/0x140
[  388.603653][  T498]  ? kernfs_new_node+0x170/0x170
[  388.608563][  T498]  ? ptr_to_hashval+0x60/0x60
[  388.613210][  T498]  ? arch_stack_walk+0xf8/0x140
[  388.618032][  T498]  ? snprintf+0xd6/0x120
[  388.622250][  T498]  kernfs_new_node+0x97/0x170
[  388.626903][  T498]  __kernfs_create_file+0x4a/0x270
[  388.631985][  T498]  cgroup_addrm_files+0xab8/0xfe0
[  388.636983][  T498]  ? ____kasan_kmalloc+0xdc/0x110
[  388.641977][  T498]  ? __kasan_kmalloc+0x9/0x10
[  388.646626][  T498]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  388.652143][  T498]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  388.658267][  T498]  ? delete_node+0x759/0x7b0
[  388.662835][  T498]  ? __kasan_check_read+0x11/0x20
[  388.667829][  T498]  ? delete_node+0x759/0x7b0
[  388.672505][  T498]  ? __kasan_check_write+0x14/0x20
[  388.677610][  T498]  ? idr_replace+0x1c4/0x230
[  388.682170][  T498]  ? idr_get_next+0x4b0/0x4b0
[  388.686814][  T498]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  388.691823][  T498]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  388.696992][  T498]  css_populate_dir+0x137/0x370
[  388.701812][  T498]  cgroup_apply_control_enable+0x8b9/0x12f0
[  388.707682][  T498]  cgroup_apply_control+0x93/0x710
[  388.712777][  T498]  ? css_next_child+0x160/0x160
[  388.717600][  T498]  ? stack_trace_save+0x12d/0x1f0
[  388.722597][  T498]  ? io_schedule+0x120/0x120
[  388.727157][  T498]  ? kernfs_fop_write_iter+0x15e/0x410
[  388.732589][  T498]  ? __kasan_check_write+0x14/0x20
[  388.737671][  T498]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  388.742925][  T498]  cgroup_subtree_control_write+0xd19/0x1310
[  388.748881][  T498]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  388.754851][  T498]  ? __kasan_check_write+0x14/0x20
[  388.759930][  T498]  ? _copy_from_iter+0x3fb/0xd60
[  388.764842][  T498]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  388.770803][  T498]  cgroup_file_write+0x28e/0x590
[  388.775709][  T498]  ? cgroup_seqfile_stop+0xc0/0xc0
[  388.780812][  T498]  ? mutex_lock+0xa6/0x110
[  388.785202][  T498]  ? mutex_trylock+0xb0/0xb0
[  388.789764][  T498]  ? __kasan_check_write+0x14/0x20
[  388.794849][  T498]  kernfs_fop_write_iter+0x2d0/0x410
[  388.800104][  T498]  ? cgroup_seqfile_stop+0xc0/0xc0
[  388.805183][  T498]  vfs_write+0xc1c/0xf40
[  388.809400][  T498]  ? slab_free_freelist_hook+0xcc/0x1a0
[  388.814914][  T498]  ? kernel_write+0x3c0/0x3c0
[  388.819561][  T498]  ? do_sys_openat2+0x397/0x470
[  388.824382][  T498]  ? __kasan_check_read+0x11/0x20
[  388.829377][  T498]  ? __fdget_pos+0x27e/0x310
[  388.833935][  T498]  ksys_write+0x198/0x2c0
[  388.838238][  T498]  ? __ia32_sys_read+0x90/0x90
[  388.842974][  T498]  ? debug_smp_processor_id+0x17/0x20
[  388.848323][  T498]  __x64_sys_write+0x7b/0x90
[  388.852894][  T498]  do_syscall_64+0x34/0x70
[  388.857287][  T498]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  388.863147][  T498] RIP: 0033:0x7efdb4cf77c9
[  388.867534][  T498] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  388.887120][  T498] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  388.895511][  T498] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  388.903465][  T498] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  388.911425][  T498] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  388.919377][  T498] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  388.927324][  T498] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000012
[  388.935400][  T498] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  388.978206][  T505] FAULT_INJECTION: forcing a failure.
[  388.978206][  T505] name failslab, interval 1, probability 0, space 0, times 0
[  388.990879][  T505] CPU: 0 PID: 505 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  389.002482][  T505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  389.012524][  T505] Call Trace:
[  389.015788][  T505]  dump_stack_lvl+0x1e2/0x24b
[  389.020439][  T505]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  389.025872][  T505]  ? selinux_kernfs_init_security+0x1a8/0x760
[  389.031913][  T505]  dump_stack+0x15/0x17
[  389.036042][  T505]  should_fail+0x3c0/0x510
[  389.040433][  T505]  ? __kernfs_new_node+0x99/0x6e0
[  389.045534][  T505]  __should_failslab+0x9f/0xe0
[  389.050269][  T505]  should_failslab+0x9/0x20
[  389.054743][  T505]  __kmalloc_track_caller+0x5f/0x350
[  389.060001][  T505]  kstrdup_const+0x55/0x90
[  389.064388][  T505]  __kernfs_new_node+0x99/0x6e0
[  389.069210][  T505]  ? is_module_text_address+0xe1/0x140
[  389.074643][  T505]  ? kernfs_new_node+0x170/0x170
[  389.079561][  T505]  ? ptr_to_hashval+0x60/0x60
[  389.084209][  T505]  ? snprintf+0xd6/0x120
[  389.088420][  T505]  ? __kasan_check_write+0x14/0x20
[  389.093520][  T505]  ? mutex_unlock+0x1d/0x40
[  389.098023][  T505]  kernfs_new_node+0x97/0x170
[  389.102674][  T505]  __kernfs_create_file+0x4a/0x270
[  389.107809][  T505]  cgroup_addrm_files+0xab8/0xfe0
[  389.112814][  T505]  ? ____kasan_kmalloc+0xdc/0x110
[  389.117816][  T505]  ? __kasan_kmalloc+0x9/0x10
[  389.122489][  T505]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  389.128022][  T505]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  389.134250][  T505]  ? delete_node+0x759/0x7b0
[  389.138830][  T505]  ? __kasan_check_read+0x11/0x20
[  389.143831][  T505]  ? idr_replace+0x1c4/0x230
[  389.148581][  T505]  ? idr_get_next+0x4b0/0x4b0
[  389.153248][  T505]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  389.158280][  T505]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  389.163454][  T505]  css_populate_dir+0x137/0x370
[  389.168277][  T505]  cgroup_apply_control_enable+0x8b9/0x12f0
[  389.174144][  T505]  cgroup_apply_control+0x93/0x710
[  389.179245][  T505]  ? css_next_child+0x160/0x160
[  389.184071][  T505]  ? stack_trace_save+0x12d/0x1f0
[  389.189070][  T505]  ? io_schedule+0x120/0x120
[  389.193634][  T505]  ? kernfs_fop_write_iter+0x15e/0x410
[  389.199064][  T505]  ? __kasan_check_write+0x14/0x20
[  389.204147][  T505]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  389.209401][  T505]  cgroup_subtree_control_write+0xd19/0x1310
[  389.215353][  T505]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  389.221303][  T505]  ? __kasan_check_write+0x14/0x20
[  389.226387][  T505]  ? _copy_from_iter+0x3fb/0xd60
[  389.231298][  T505]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  389.237249][  T505]  cgroup_file_write+0x28e/0x590
[  389.242157][  T505]  ? cgroup_seqfile_stop+0xc0/0xc0
[  389.247237][  T505]  ? mutex_lock+0xa6/0x110
[  389.251642][  T505]  ? mutex_trylock+0xb0/0xb0
[  389.256211][  T505]  ? __kasan_check_write+0x14/0x20
[  389.261294][  T505]  kernfs_fop_write_iter+0x2d0/0x410
[  389.266548][  T505]  ? cgroup_seqfile_stop+0xc0/0xc0
[  389.271632][  T505]  vfs_write+0xc1c/0xf40
[  389.275845][  T505]  ? slab_free_freelist_hook+0xcc/0x1a0
[  389.281361][  T505]  ? kernel_write+0x3c0/0x3c0
[  389.286008][  T505]  ? do_sys_openat2+0x397/0x470
[  389.290829][  T505]  ? __kasan_check_read+0x11/0x20
[  389.295823][  T505]  ? __fdget_pos+0x27e/0x310
[  389.300384][  T505]  ksys_write+0x198/0x2c0
[  389.304684][  T505]  ? __kasan_check_write+0x14/0x20
[  389.309853][  T505]  ? __ia32_sys_read+0x90/0x90
[  389.314589][  T505]  ? debug_smp_processor_id+0x17/0x20
[  389.319931][  T505]  __x64_sys_write+0x7b/0x90
[  389.324489][  T505]  do_syscall_64+0x34/0x70
[  389.328880][  T505]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  389.334743][  T505] RIP: 0033:0x7efdb4cf77c9
[  389.339131][  T505] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  389.358717][  T505] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  389.367102][  T505] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  389.375046][  T505] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  389.383088][  T505] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  389.391031][  T505] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  389.398976][  T505] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000013
[  389.407047][  T505] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  389.438167][  T500] FAULT_INJECTION: forcing a failure.
[  389.438167][  T500] name failslab, interval 1, probability 0, space 0, times 0
[  389.450850][  T500] CPU: 1 PID: 500 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  389.462459][  T500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  389.472512][  T500] Call Trace:
[  389.475783][  T500]  dump_stack_lvl+0x1e2/0x24b
[  389.480449][  T500]  ? panic+0x7d7/0x7d7
[  389.484503][  T500]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  389.489941][  T500]  ? selinux_kernfs_init_security+0x1a8/0x760
[  389.495985][  T500]  dump_stack+0x15/0x17
[  389.500139][  T500]  should_fail+0x3c0/0x510
[  389.504543][  T500]  __should_failslab+0x9f/0xe0
[  389.509289][  T500]  should_failslab+0x9/0x20
[  389.513767][  T500]  kmem_cache_alloc+0x3f/0x300
[  389.518508][  T500]  ? __kernfs_new_node+0xdb/0x6e0
[  389.523507][  T500]  __kernfs_new_node+0xdb/0x6e0
[  389.528341][  T500]  ? is_module_text_address+0xe1/0x140
[  389.533776][  T500]  ? kernfs_new_node+0x170/0x170
[  389.538686][  T500]  ? ptr_to_hashval+0x60/0x60
[  389.543343][  T500]  ? arch_stack_walk+0xf8/0x140
[  389.548170][  T500]  ? snprintf+0xd6/0x120
[  389.552407][  T500]  kernfs_new_node+0x97/0x170
[  389.557060][  T500]  __kernfs_create_file+0x4a/0x270
[  389.562154][  T500]  cgroup_addrm_files+0xab8/0xfe0
[  389.567155][  T500]  ? ____kasan_kmalloc+0xdc/0x110
[  389.572151][  T500]  ? __kasan_kmalloc+0x9/0x10
[  389.576804][  T500]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  389.582331][  T500]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  389.588468][  T500]  ? delete_node+0x759/0x7b0
[  389.593036][  T500]  ? __kasan_check_read+0x11/0x20
[  389.598035][  T500]  ? delete_node+0x759/0x7b0
[  389.602597][  T500]  ? __kasan_check_write+0x14/0x20
[  389.607680][  T500]  ? idr_replace+0x1c4/0x230
[  389.612246][  T500]  ? idr_get_next+0x4b0/0x4b0
[  389.616894][  T500]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  389.621888][  T500]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  389.627058][  T500]  css_populate_dir+0x137/0x370
[  389.631878][  T500]  cgroup_apply_control_enable+0x8b9/0x12f0
[  389.637749][  T500]  cgroup_apply_control+0x93/0x710
[  389.642834][  T500]  ? css_next_child+0x160/0x160
[  389.647656][  T500]  ? stack_trace_save+0x12d/0x1f0
[  389.652660][  T500]  ? io_schedule+0x120/0x120
[  389.657223][  T500]  ? kernfs_fop_write_iter+0x15e/0x410
[  389.662655][  T500]  ? __kasan_check_write+0x14/0x20
[  389.667740][  T500]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  389.673026][  T500]  cgroup_subtree_control_write+0xd19/0x1310
[  389.678983][  T500]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  389.684939][  T500]  ? __kasan_check_write+0x14/0x20
[  389.690028][  T500]  ? _copy_from_iter+0x3fb/0xd60
[  389.694940][  T500]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  389.700905][  T500]  cgroup_file_write+0x28e/0x590
[  389.705813][  T500]  ? cgroup_seqfile_stop+0xc0/0xc0
[  389.710913][  T500]  ? mutex_lock+0xa6/0x110
[  389.715302][  T500]  ? mutex_trylock+0xb0/0xb0
[  389.719863][  T500]  ? __kasan_check_write+0x14/0x20
[  389.724950][  T500]  kernfs_fop_write_iter+0x2d0/0x410
[  389.730215][  T500]  ? cgroup_seqfile_stop+0xc0/0xc0
[  389.735351][  T500]  vfs_write+0xc1c/0xf40
[  389.739563][  T500]  ? slab_free_freelist_hook+0xcc/0x1a0
[  389.745082][  T500]  ? kernel_write+0x3c0/0x3c0
[  389.749733][  T500]  ? do_sys_openat2+0x397/0x470
[  389.754556][  T500]  ? __kasan_check_read+0x11/0x20
[  389.759550][  T500]  ? __fdget_pos+0x27e/0x310
[  389.764109][  T500]  ksys_write+0x198/0x2c0
[  389.768410][  T500]  ? __ia32_sys_read+0x90/0x90
[  389.773147][  T500]  ? debug_smp_processor_id+0x17/0x20
[  389.778494][  T500]  __x64_sys_write+0x7b/0x90
[  389.783053][  T500]  do_syscall_64+0x34/0x70
[  389.787441][  T500]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  389.793390][  T500] RIP: 0033:0x7efdb4cf77c9
[  389.797785][  T500] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  389.817545][  T500] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  389.825934][  T500] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  389.833894][  T500] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  389.841838][  T500] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  389.849784][  T500] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  389.857736][  T500] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000015
[  389.865848][  T500] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  389.918169][  T497] FAULT_INJECTION: forcing a failure.
[  389.918169][  T497] name failslab, interval 1, probability 0, space 0, times 0
[  389.930876][  T497] CPU: 1 PID: 497 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  389.942477][  T497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  389.952519][  T497] Call Trace:
[  389.955818][  T497]  dump_stack_lvl+0x1e2/0x24b
[  389.960472][  T497]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  389.965905][  T497]  ? selinux_kernfs_init_security+0x1a8/0x760
[  389.971944][  T497]  dump_stack+0x15/0x17
[  389.976090][  T497]  should_fail+0x3c0/0x510
[  389.980487][  T497]  ? __kernfs_new_node+0x99/0x6e0
[  389.985487][  T497]  __should_failslab+0x9f/0xe0
[  389.990345][  T497]  should_failslab+0x9/0x20
[  389.994828][  T497]  __kmalloc_track_caller+0x5f/0x350
[  390.000089][  T497]  kstrdup_const+0x55/0x90
[  390.004480][  T497]  __kernfs_new_node+0x99/0x6e0
[  390.009394][  T497]  ? is_module_text_address+0xe1/0x140
[  390.014835][  T497]  ? kernfs_new_node+0x170/0x170
[  390.019759][  T497]  ? ptr_to_hashval+0x60/0x60
[  390.024412][  T497]  ? snprintf+0xd6/0x120
[  390.028630][  T497]  ? __kasan_check_write+0x14/0x20
[  390.033715][  T497]  ? mutex_unlock+0x1d/0x40
[  390.038197][  T497]  kernfs_new_node+0x97/0x170
[  390.042849][  T497]  __kernfs_create_file+0x4a/0x270
[  390.047932][  T497]  cgroup_addrm_files+0xab8/0xfe0
[  390.052930][  T497]  ? ____kasan_kmalloc+0xdc/0x110
[  390.057928][  T497]  ? __kasan_kmalloc+0x9/0x10
[  390.062593][  T497]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  390.068126][  T497]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  390.074253][  T497]  ? delete_node+0x759/0x7b0
[  390.078818][  T497]  ? __kasan_check_read+0x11/0x20
[  390.083817][  T497]  ? idr_replace+0x1c4/0x230
[  390.088379][  T497]  ? idr_get_next+0x4b0/0x4b0
[  390.093039][  T497]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  390.098032][  T497]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  390.103204][  T497]  css_populate_dir+0x137/0x370
[  390.108045][  T497]  cgroup_apply_control_enable+0x8b9/0x12f0
[  390.113914][  T497]  cgroup_apply_control+0x93/0x710
[  390.118997][  T497]  ? css_next_child+0x160/0x160
[  390.123832][  T497]  ? stack_trace_save+0x12d/0x1f0
[  390.128848][  T497]  ? io_schedule+0x120/0x120
[  390.133496][  T497]  ? kernfs_fop_write_iter+0x15e/0x410
[  390.138935][  T497]  ? __kasan_check_write+0x14/0x20
[  390.144021][  T497]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  390.149282][  T497]  cgroup_subtree_control_write+0xd19/0x1310
[  390.155245][  T497]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  390.161216][  T497]  ? debug_smp_processor_id+0x17/0x20
[  390.166558][  T497]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  390.172568][  T497]  cgroup_file_write+0x28e/0x590
[  390.177485][  T497]  ? cgroup_seqfile_stop+0xc0/0xc0
[  390.182579][  T497]  kernfs_fop_write_iter+0x2d0/0x410
[  390.187845][  T497]  ? cgroup_seqfile_stop+0xc0/0xc0
[  390.192930][  T497]  vfs_write+0xc1c/0xf40
[  390.197145][  T497]  ? slab_free_freelist_hook+0xcc/0x1a0
[  390.202662][  T497]  ? kernel_write+0x3c0/0x3c0
[  390.207316][  T497]  ? do_sys_openat2+0x397/0x470
[  390.212161][  T497]  ? __kasan_check_read+0x11/0x20
[  390.217167][  T497]  ? __fdget_pos+0x27e/0x310
[  390.221732][  T497]  ksys_write+0x198/0x2c0
[  390.226033][  T497]  ? __ia32_sys_read+0x90/0x90
[  390.230910][  T497]  ? debug_smp_processor_id+0x17/0x20
[  390.236266][  T497]  __x64_sys_write+0x7b/0x90
[  390.240848][  T497]  do_syscall_64+0x34/0x70
[  390.245238][  T497]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  390.251103][  T497] RIP: 0033:0x7efdb4cf77c9
[  390.255500][  T497] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  390.275080][  T497] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  390.283468][  T497] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  390.291505][  T497] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  390.299455][  T497] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  390.307416][  T497] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
executing program
[  390.315374][  T497] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000015
[  390.323417][  T497] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  390.368117][  T507] FAULT_INJECTION: forcing a failure.
[  390.368117][  T507] name failslab, interval 1, probability 0, space 0, times 0
[  390.380726][  T507] CPU: 1 PID: 507 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  390.392328][  T507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  390.402361][  T507] Call Trace:
[  390.405629][  T507]  dump_stack_lvl+0x1e2/0x24b
[  390.410281][  T507]  ? panic+0x7d7/0x7d7
[  390.414327][  T507]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  390.419757][  T507]  ? selinux_kernfs_init_security+0x1a8/0x760
[  390.425796][  T507]  dump_stack+0x15/0x17
[  390.429923][  T507]  should_fail+0x3c0/0x510
[  390.434309][  T507]  __should_failslab+0x9f/0xe0
[  390.439050][  T507]  should_failslab+0x9/0x20
[  390.443539][  T507]  kmem_cache_alloc+0x3f/0x300
[  390.448281][  T507]  ? __kernfs_new_node+0xdb/0x6e0
[  390.453284][  T507]  __kernfs_new_node+0xdb/0x6e0
[  390.458110][  T507]  ? is_module_text_address+0xe1/0x140
[  390.463541][  T507]  ? kernfs_new_node+0x170/0x170
[  390.468467][  T507]  ? ptr_to_hashval+0x60/0x60
[  390.473125][  T507]  ? arch_stack_walk+0xf8/0x140
[  390.477948][  T507]  ? snprintf+0xd6/0x120
[  390.482162][  T507]  kernfs_new_node+0x97/0x170
[  390.486819][  T507]  __kernfs_create_file+0x4a/0x270
[  390.491903][  T507]  cgroup_addrm_files+0xab8/0xfe0
[  390.496910][  T507]  ? ____kasan_kmalloc+0xdc/0x110
[  390.501907][  T507]  ? __kasan_kmalloc+0x9/0x10
[  390.506558][  T507]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  390.512074][  T507]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  390.518219][  T507]  ? delete_node+0x759/0x7b0
[  390.522782][  T507]  ? __kasan_check_read+0x11/0x20
[  390.527783][  T507]  ? delete_node+0x759/0x7b0
[  390.532350][  T507]  ? __kasan_check_write+0x14/0x20
[  390.537433][  T507]  ? idr_replace+0x1c4/0x230
[  390.542001][  T507]  ? idr_get_next+0x4b0/0x4b0
[  390.546647][  T507]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  390.551643][  T507]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  390.556814][  T507]  css_populate_dir+0x137/0x370
[  390.561636][  T507]  cgroup_apply_control_enable+0x8b9/0x12f0
[  390.567504][  T507]  cgroup_apply_control+0x93/0x710
[  390.572631][  T507]  ? css_next_child+0x160/0x160
[  390.577452][  T507]  ? stack_trace_save+0x12d/0x1f0
[  390.582450][  T507]  ? io_schedule+0x120/0x120
[  390.587012][  T507]  ? kernfs_fop_write_iter+0x15e/0x410
[  390.592456][  T507]  ? __kasan_check_write+0x14/0x20
[  390.597537][  T507]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  390.602798][  T507]  cgroup_subtree_control_write+0xd19/0x1310
[  390.608751][  T507]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  390.614703][  T507]  ? __kasan_check_write+0x14/0x20
[  390.619791][  T507]  ? _copy_from_iter+0x3fb/0xd60
[  390.624969][  T507]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  390.630921][  T507]  cgroup_file_write+0x28e/0x590
[  390.635925][  T507]  ? cgroup_seqfile_stop+0xc0/0xc0
[  390.641009][  T507]  ? mutex_lock+0xa6/0x110
[  390.645399][  T507]  ? mutex_trylock+0xb0/0xb0
[  390.649984][  T507]  ? __kasan_check_write+0x14/0x20
[  390.655069][  T507]  kernfs_fop_write_iter+0x2d0/0x410
[  390.660334][  T507]  ? cgroup_seqfile_stop+0xc0/0xc0
[  390.665415][  T507]  vfs_write+0xc1c/0xf40
[  390.669632][  T507]  ? slab_free_freelist_hook+0xcc/0x1a0
[  390.675159][  T507]  ? kernel_write+0x3c0/0x3c0
[  390.679815][  T507]  ? do_sys_openat2+0x397/0x470
[  390.684645][  T507]  ? __kasan_check_read+0x11/0x20
[  390.689645][  T507]  ? __fdget_pos+0x27e/0x310
[  390.694206][  T507]  ksys_write+0x198/0x2c0
[  390.698506][  T507]  ? __ia32_sys_read+0x90/0x90
[  390.703243][  T507]  ? debug_smp_processor_id+0x17/0x20
[  390.708599][  T507]  __x64_sys_write+0x7b/0x90
[  390.713169][  T507]  do_syscall_64+0x34/0x70
[  390.717558][  T507]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  390.723421][  T507] RIP: 0033:0x7efdb4cf77c9
[  390.727806][  T507] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  390.747382][  T507] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  390.755766][  T507] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  390.763710][  T507] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  390.771656][  T507] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  390.779599][  T507] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  390.787542][  T507] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000016
[  390.795649][  T507] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  390.838015][  T496] FAULT_INJECTION: forcing a failure.
[  390.838015][  T496] name failslab, interval 1, probability 0, space 0, times 0
[  390.850679][  T496] CPU: 0 PID: 496 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  390.862301][  T496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  390.872362][  T496] Call Trace:
[  390.875830][  T496]  dump_stack_lvl+0x1e2/0x24b
[  390.880563][  T496]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  390.886004][  T496]  ? selinux_kernfs_init_security+0x1a8/0x760
[  390.892055][  T496]  dump_stack+0x15/0x17
[  390.896191][  T496]  should_fail+0x3c0/0x510
[  390.900584][  T496]  ? __kernfs_new_node+0x99/0x6e0
[  390.905584][  T496]  __should_failslab+0x9f/0xe0
[  390.910328][  T496]  should_failslab+0x9/0x20
[  390.914814][  T496]  __kmalloc_track_caller+0x5f/0x350
[  390.920077][  T496]  kstrdup_const+0x55/0x90
[  390.924475][  T496]  __kernfs_new_node+0x99/0x6e0
[  390.929304][  T496]  ? is_module_text_address+0xe1/0x140
[  390.934751][  T496]  ? kernfs_new_node+0x170/0x170
[  390.939714][  T496]  ? ptr_to_hashval+0x60/0x60
[  390.944366][  T496]  ? snprintf+0xd6/0x120
[  390.948588][  T496]  ? __kasan_check_write+0x14/0x20
[  390.953690][  T496]  ? mutex_unlock+0x1d/0x40
[  390.958172][  T496]  kernfs_new_node+0x97/0x170
[  390.962825][  T496]  __kernfs_create_file+0x4a/0x270
[  390.967914][  T496]  cgroup_addrm_files+0xab8/0xfe0
[  390.972915][  T496]  ? ____kasan_kmalloc+0xdc/0x110
[  390.977912][  T496]  ? __kasan_kmalloc+0x9/0x10
[  390.982563][  T496]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  390.988081][  T496]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  390.994208][  T496]  ? delete_node+0x759/0x7b0
[  390.998782][  T496]  ? __kasan_check_read+0x11/0x20
[  391.003796][  T496]  ? idr_replace+0x1c4/0x230
[  391.008362][  T496]  ? idr_get_next+0x4b0/0x4b0
[  391.013022][  T496]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  391.018025][  T496]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  391.023202][  T496]  css_populate_dir+0x137/0x370
[  391.028026][  T496]  cgroup_apply_control_enable+0x8b9/0x12f0
[  391.033891][  T496]  cgroup_apply_control+0x93/0x710
[  391.038977][  T496]  ? css_next_child+0x160/0x160
[  391.043802][  T496]  ? io_schedule+0x120/0x120
[  391.048366][  T496]  ? kernfs_fop_write_iter+0x15e/0x410
[  391.053795][  T496]  ? __kasan_check_write+0x14/0x20
[  391.058878][  T496]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  391.064134][  T496]  cgroup_subtree_control_write+0xd19/0x1310
[  391.070087][  T496]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  391.076042][  T496]  ? __kasan_check_write+0x14/0x20
[  391.081123][  T496]  ? _copy_from_iter+0x3fb/0xd60
[  391.086042][  T496]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  391.091999][  T496]  cgroup_file_write+0x28e/0x590
[  391.096912][  T496]  ? cgroup_seqfile_stop+0xc0/0xc0
[  391.102010][  T496]  ? mutex_lock+0xa6/0x110
[  391.106400][  T496]  ? mutex_trylock+0xb0/0xb0
[  391.110966][  T496]  ? __kasan_check_write+0x14/0x20
[  391.116065][  T496]  kernfs_fop_write_iter+0x2d0/0x410
[  391.121324][  T496]  ? cgroup_seqfile_stop+0xc0/0xc0
[  391.126427][  T496]  vfs_write+0xc1c/0xf40
[  391.130648][  T496]  ? kernel_write+0x3c0/0x3c0
[  391.135298][  T496]  ? do_sys_openat2+0x397/0x470
[  391.140123][  T496]  ? __kasan_check_read+0x11/0x20
[  391.145133][  T496]  ? __fdget_pos+0x27e/0x310
[  391.149709][  T496]  ksys_write+0x198/0x2c0
[  391.154044][  T496]  ? __ia32_sys_read+0x90/0x90
[  391.158782][  T496]  ? debug_smp_processor_id+0x17/0x20
[  391.164139][  T496]  __x64_sys_write+0x7b/0x90
[  391.168710][  T496]  do_syscall_64+0x34/0x70
[  391.173096][  T496]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  391.178958][  T496] RIP: 0033:0x7efdb4cf77c9
[  391.183348][  T496] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  391.203018][  T496] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  391.211446][  T496] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  391.219421][  T496] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  391.227370][  T496] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
executing program
[  391.235311][  T496] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  391.243252][  T496] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000015
[  391.251307][  T496] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  391.308507][  T504] FAULT_INJECTION: forcing a failure.
[  391.308507][  T504] name failslab, interval 1, probability 0, space 0, times 0
[  391.321159][  T504] CPU: 1 PID: 504 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  391.332759][  T504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  391.342788][  T504] Call Trace:
[  391.346058][  T504]  dump_stack_lvl+0x1e2/0x24b
[  391.350712][  T504]  ? panic+0x7d7/0x7d7
[  391.354757][  T504]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  391.360189][  T504]  ? selinux_kernfs_init_security+0x1a8/0x760
[  391.366231][  T504]  dump_stack+0x15/0x17
[  391.370362][  T504]  should_fail+0x3c0/0x510
[  391.374753][  T504]  __should_failslab+0x9f/0xe0
[  391.379509][  T504]  should_failslab+0x9/0x20
[  391.383988][  T504]  kmem_cache_alloc+0x3f/0x300
[  391.388725][  T504]  ? __kernfs_new_node+0xdb/0x6e0
[  391.393721][  T504]  __kernfs_new_node+0xdb/0x6e0
[  391.398544][  T504]  ? is_module_text_address+0xe1/0x140
[  391.403975][  T504]  ? kernfs_new_node+0x170/0x170
[  391.408889][  T504]  ? ptr_to_hashval+0x60/0x60
[  391.413559][  T504]  ? arch_stack_walk+0xf8/0x140
[  391.418387][  T504]  ? snprintf+0xd6/0x120
[  391.422602][  T504]  kernfs_new_node+0x97/0x170
[  391.427266][  T504]  __kernfs_create_file+0x4a/0x270
[  391.432366][  T504]  cgroup_addrm_files+0xab8/0xfe0
[  391.437366][  T504]  ? ____kasan_kmalloc+0xdc/0x110
[  391.442365][  T504]  ? __kasan_kmalloc+0x9/0x10
[  391.447017][  T504]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  391.452541][  T504]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  391.458674][  T504]  ? delete_node+0x759/0x7b0
[  391.463238][  T504]  ? __kasan_check_read+0x11/0x20
[  391.468239][  T504]  ? delete_node+0x759/0x7b0
[  391.472816][  T504]  ? __kasan_check_write+0x14/0x20
[  391.477911][  T504]  ? idr_replace+0x1c4/0x230
[  391.482475][  T504]  ? idr_get_next+0x4b0/0x4b0
[  391.487125][  T504]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  391.492134][  T504]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  391.497306][  T504]  css_populate_dir+0x137/0x370
[  391.502246][  T504]  cgroup_apply_control_enable+0x8b9/0x12f0
[  391.508115][  T504]  cgroup_apply_control+0x93/0x710
[  391.513198][  T504]  ? css_next_child+0x160/0x160
[  391.518023][  T504]  ? io_schedule+0x120/0x120
[  391.522593][  T504]  ? kernfs_fop_write_iter+0x15e/0x410
[  391.528025][  T504]  ? __kasan_check_write+0x14/0x20
[  391.533110][  T504]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  391.538368][  T504]  cgroup_subtree_control_write+0xd19/0x1310
[  391.544320][  T504]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  391.550276][  T504]  ? __kasan_check_write+0x14/0x20
[  391.555358][  T504]  ? _copy_from_iter+0x3fb/0xd60
[  391.560271][  T504]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  391.566224][  T504]  cgroup_file_write+0x28e/0x590
[  391.571138][  T504]  ? cgroup_seqfile_stop+0xc0/0xc0
[  391.576221][  T504]  ? mutex_lock+0xa6/0x110
[  391.580612][  T504]  ? mutex_trylock+0xb0/0xb0
[  391.585175][  T504]  ? __kasan_check_write+0x14/0x20
[  391.590258][  T504]  kernfs_fop_write_iter+0x2d0/0x410
[  391.595518][  T504]  ? cgroup_seqfile_stop+0xc0/0xc0
[  391.600606][  T504]  vfs_write+0xc1c/0xf40
[  391.604824][  T504]  ? kernel_write+0x3c0/0x3c0
[  391.609474][  T504]  ? do_sys_openat2+0x397/0x470
[  391.614298][  T504]  ? __kasan_check_read+0x11/0x20
[  391.619383][  T504]  ? __fdget_pos+0x27e/0x310
[  391.623947][  T504]  ksys_write+0x198/0x2c0
[  391.628265][  T504]  ? __ia32_sys_read+0x90/0x90
[  391.633006][  T504]  ? debug_smp_processor_id+0x17/0x20
[  391.638349][  T504]  __x64_sys_write+0x7b/0x90
[  391.642915][  T504]  do_syscall_64+0x34/0x70
[  391.647307][  T504]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  391.653170][  T504] RIP: 0033:0x7efdb4cf77c9
[  391.657562][  T504] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  391.677228][  T504] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  391.685618][  T504] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  391.693563][  T504] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  391.701507][  T504] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  391.709451][  T504] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  391.717399][  T504] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000013
[  391.725529][  T504] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  391.808218][  T506] FAULT_INJECTION: forcing a failure.
[  391.808218][  T506] name failslab, interval 1, probability 0, space 0, times 0
[  391.820829][  T506] CPU: 0 PID: 506 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  391.832428][  T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  391.842649][  T506] Call Trace:
[  391.845915][  T506]  dump_stack_lvl+0x1e2/0x24b
[  391.850566][  T506]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  391.856013][  T506]  ? selinux_kernfs_init_security+0x1a8/0x760
[  391.862049][  T506]  dump_stack+0x15/0x17
[  391.866181][  T506]  should_fail+0x3c0/0x510
[  391.870588][  T506]  ? __kernfs_new_node+0x99/0x6e0
[  391.875593][  T506]  __should_failslab+0x9f/0xe0
[  391.880335][  T506]  should_failslab+0x9/0x20
[  391.884819][  T506]  __kmalloc_track_caller+0x5f/0x350
[  391.890092][  T506]  kstrdup_const+0x55/0x90
[  391.894482][  T506]  __kernfs_new_node+0x99/0x6e0
[  391.899306][  T506]  ? is_module_text_address+0xe1/0x140
[  391.904734][  T506]  ? kernfs_new_node+0x170/0x170
[  391.909644][  T506]  ? ptr_to_hashval+0x60/0x60
[  391.914293][  T506]  ? arch_stack_walk+0xf8/0x140
[  391.919117][  T506]  ? snprintf+0xd6/0x120
[  391.923348][  T506]  kernfs_new_node+0x97/0x170
[  391.927998][  T506]  __kernfs_create_file+0x4a/0x270
[  391.933079][  T506]  cgroup_addrm_files+0xab8/0xfe0
[  391.938076][  T506]  ? ____kasan_kmalloc+0xdc/0x110
[  391.943075][  T506]  ? __kasan_kmalloc+0x9/0x10
[  391.947723][  T506]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  391.953258][  T506]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  391.959381][  T506]  ? delete_node+0x759/0x7b0
[  391.964078][  T506]  ? __kasan_check_read+0x11/0x20
[  391.969096][  T506]  ? delete_node+0x759/0x7b0
[  391.973667][  T506]  ? __kasan_check_write+0x14/0x20
[  391.978764][  T506]  ? idr_replace+0x1c4/0x230
[  391.983349][  T506]  ? idr_get_next+0x4b0/0x4b0
[  391.988001][  T506]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  391.993000][  T506]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  391.998169][  T506]  css_populate_dir+0x137/0x370
[  392.003010][  T506]  cgroup_apply_control_enable+0x8b9/0x12f0
[  392.008876][  T506]  cgroup_apply_control+0x93/0x710
[  392.013973][  T506]  ? css_next_child+0x160/0x160
[  392.018800][  T506]  ? stack_trace_save+0x12d/0x1f0
[  392.023797][  T506]  ? io_schedule+0x120/0x120
[  392.028372][  T506]  ? kernfs_fop_write_iter+0x15e/0x410
[  392.033826][  T506]  ? __kasan_check_write+0x14/0x20
[  392.038922][  T506]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  392.044234][  T506]  cgroup_subtree_control_write+0xd19/0x1310
[  392.050207][  T506]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  392.056166][  T506]  ? __kasan_check_write+0x14/0x20
[  392.061276][  T506]  ? _copy_from_iter+0x3fb/0xd60
[  392.066201][  T506]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  392.072158][  T506]  cgroup_file_write+0x28e/0x590
[  392.077073][  T506]  ? cgroup_seqfile_stop+0xc0/0xc0
[  392.082169][  T506]  ? mutex_lock+0xa6/0x110
[  392.086561][  T506]  ? mutex_trylock+0xb0/0xb0
[  392.091124][  T506]  ? __kasan_check_write+0x14/0x20
[  392.096210][  T506]  kernfs_fop_write_iter+0x2d0/0x410
[  392.101469][  T506]  ? cgroup_seqfile_stop+0xc0/0xc0
[  392.106568][  T506]  vfs_write+0xc1c/0xf40
[  392.110796][  T506]  ? slab_free_freelist_hook+0xcc/0x1a0
[  392.116329][  T506]  ? kernel_write+0x3c0/0x3c0
[  392.121016][  T506]  ? do_sys_openat2+0x397/0x470
[  392.125837][  T506]  ? __kasan_check_read+0x11/0x20
[  392.130836][  T506]  ? __fdget_pos+0x27e/0x310
[  392.135411][  T506]  ksys_write+0x198/0x2c0
[  392.139715][  T506]  ? __ia32_sys_read+0x90/0x90
[  392.144452][  T506]  ? debug_smp_processor_id+0x17/0x20
[  392.149812][  T506]  __x64_sys_write+0x7b/0x90
[  392.154395][  T506]  do_syscall_64+0x34/0x70
[  392.158794][  T506]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  392.164659][  T506] RIP: 0033:0x7efdb4cf77c9
[  392.169051][  T506] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  392.188629][  T506] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  392.197101][  T506] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  392.205044][  T506] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  392.212997][  T506] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  392.220945][  T506] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  392.228888][  T506] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000014
[  392.236949][  T506] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  392.288346][  T510] FAULT_INJECTION: forcing a failure.
[  392.288346][  T510] name failslab, interval 1, probability 0, space 0, times 0
[  392.301004][  T510] CPU: 1 PID: 510 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  392.312623][  T510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  392.322656][  T510] Call Trace:
[  392.326015][  T510]  dump_stack_lvl+0x1e2/0x24b
[  392.330668][  T510]  ? panic+0x7d7/0x7d7
[  392.334718][  T510]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  392.340153][  T510]  ? selinux_kernfs_init_security+0x1a8/0x760
[  392.346204][  T510]  dump_stack+0x15/0x17
[  392.350340][  T510]  should_fail+0x3c0/0x510
[  392.354737][  T510]  __should_failslab+0x9f/0xe0
[  392.359474][  T510]  should_failslab+0x9/0x20
[  392.363951][  T510]  kmem_cache_alloc+0x3f/0x300
[  392.368688][  T510]  ? __kernfs_new_node+0xdb/0x6e0
[  392.373687][  T510]  __kernfs_new_node+0xdb/0x6e0
[  392.378517][  T510]  ? is_module_text_address+0xe1/0x140
[  392.383953][  T510]  ? kernfs_new_node+0x170/0x170
[  392.388865][  T510]  ? ptr_to_hashval+0x60/0x60
[  392.393531][  T510]  ? arch_stack_walk+0xf8/0x140
[  392.398370][  T510]  ? snprintf+0xd6/0x120
[  392.402585][  T510]  kernfs_new_node+0x97/0x170
[  392.407260][  T510]  __kernfs_create_file+0x4a/0x270
[  392.412354][  T510]  cgroup_addrm_files+0xab8/0xfe0
[  392.417352][  T510]  ? ____kasan_kmalloc+0xdc/0x110
[  392.422349][  T510]  ? __kasan_kmalloc+0x9/0x10
[  392.426999][  T510]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  392.432521][  T510]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  392.438646][  T510]  ? delete_node+0x759/0x7b0
[  392.443210][  T510]  ? __kasan_check_read+0x11/0x20
[  392.448209][  T510]  ? delete_node+0x759/0x7b0
[  392.452773][  T510]  ? __kasan_check_write+0x14/0x20
[  392.457863][  T510]  ? idr_replace+0x1c4/0x230
[  392.462428][  T510]  ? idr_get_next+0x4b0/0x4b0
[  392.467080][  T510]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  392.472075][  T510]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  392.477247][  T510]  css_populate_dir+0x137/0x370
[  392.482075][  T510]  cgroup_apply_control_enable+0x8b9/0x12f0
[  392.487943][  T510]  cgroup_apply_control+0x93/0x710
[  392.493113][  T510]  ? css_next_child+0x160/0x160
[  392.497936][  T510]  ? stack_trace_save+0x12d/0x1f0
[  392.502939][  T510]  ? io_schedule+0x120/0x120
[  392.507503][  T510]  ? kernfs_fop_write_iter+0x15e/0x410
[  392.512936][  T510]  ? __kasan_check_write+0x14/0x20
[  392.518020][  T510]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  392.523279][  T510]  cgroup_subtree_control_write+0xd19/0x1310
[  392.529232][  T510]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  392.535187][  T510]  ? __kasan_check_write+0x14/0x20
[  392.540275][  T510]  ? _copy_from_iter+0x3fb/0xd60
[  392.545191][  T510]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  392.551156][  T510]  cgroup_file_write+0x28e/0x590
[  392.556067][  T510]  ? cgroup_seqfile_stop+0xc0/0xc0
[  392.561152][  T510]  ? mutex_lock+0xa6/0x110
[  392.565547][  T510]  ? mutex_trylock+0xb0/0xb0
[  392.570110][  T510]  ? __kasan_check_write+0x14/0x20
[  392.575195][  T510]  kernfs_fop_write_iter+0x2d0/0x410
[  392.580455][  T510]  ? cgroup_seqfile_stop+0xc0/0xc0
[  392.585538][  T510]  vfs_write+0xc1c/0xf40
[  392.589755][  T510]  ? slab_free_freelist_hook+0xcc/0x1a0
[  392.595281][  T510]  ? kernel_write+0x3c0/0x3c0
[  392.599950][  T510]  ? do_sys_openat2+0x397/0x470
[  392.604774][  T510]  ? __kasan_check_read+0x11/0x20
[  392.609781][  T510]  ? __fdget_pos+0x27e/0x310
[  392.614356][  T510]  ksys_write+0x198/0x2c0
[  392.618659][  T510]  ? __ia32_sys_read+0x90/0x90
[  392.623397][  T510]  ? debug_smp_processor_id+0x17/0x20
[  392.628741][  T510]  __x64_sys_write+0x7b/0x90
[  392.633318][  T510]  do_syscall_64+0x34/0x70
[  392.637717][  T510]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  392.643586][  T510] RIP: 0033:0x7efdb4cf77c9
[  392.647976][  T510] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  392.667555][  T510] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  392.675942][  T510] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  392.683887][  T510] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  392.691830][  T510] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  392.699778][  T510] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  392.707725][  T510] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000016
[  392.715813][  T510] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  392.758184][  T513] FAULT_INJECTION: forcing a failure.
[  392.758184][  T513] name failslab, interval 1, probability 0, space 0, times 0
[  392.770833][  T513] CPU: 0 PID: 513 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  392.782433][  T513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  392.792462][  T513] Call Trace:
[  392.795737][  T513]  dump_stack_lvl+0x1e2/0x24b
[  392.800384][  T513]  ? panic+0x7d7/0x7d7
[  392.804425][  T513]  ? arch_stack_walk+0x106/0x140
[  392.809340][  T513]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  392.814783][  T513]  ? do_syscall_64+0x34/0x70
[  392.819359][  T513]  dump_stack+0x15/0x17
[  392.823489][  T513]  should_fail+0x3c0/0x510
[  392.827880][  T513]  __should_failslab+0x9f/0xe0
[  392.832618][  T513]  should_failslab+0x9/0x20
[  392.837092][  T513]  kmem_cache_alloc+0x3f/0x300
[  392.841839][  T513]  ? __kernfs_new_node+0xdb/0x6e0
[  392.846837][  T513]  __kernfs_new_node+0xdb/0x6e0
[  392.851659][  T513]  ? is_module_text_address+0xe1/0x140
[  392.857093][  T513]  ? kernfs_new_node+0x170/0x170
[  392.862007][  T513]  ? ptr_to_hashval+0x60/0x60
[  392.866664][  T513]  ? arch_stack_walk+0xf8/0x140
[  392.871496][  T513]  ? snprintf+0xd6/0x120
[  392.875716][  T513]  kernfs_new_node+0x97/0x170
[  392.880375][  T513]  __kernfs_create_file+0x4a/0x270
[  392.885464][  T513]  cgroup_addrm_files+0xab8/0xfe0
[  392.890468][  T513]  ? ____kasan_kmalloc+0xdc/0x110
[  392.895460][  T513]  ? __kasan_kmalloc+0x9/0x10
[  392.900111][  T513]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  392.905627][  T513]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  392.911749][  T513]  ? delete_node+0x759/0x7b0
[  392.916315][  T513]  ? __kasan_check_read+0x11/0x20
[  392.921313][  T513]  ? delete_node+0x759/0x7b0
[  392.925890][  T513]  ? __kasan_check_write+0x14/0x20
[  392.930984][  T513]  ? idr_replace+0x1c4/0x230
[  392.935558][  T513]  ? idr_get_next+0x4b0/0x4b0
[  392.940225][  T513]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  392.945250][  T513]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  392.950423][  T513]  css_populate_dir+0x137/0x370
[  392.955259][  T513]  cgroup_apply_control_enable+0x8b9/0x12f0
[  392.961151][  T513]  cgroup_apply_control+0x93/0x710
[  392.966236][  T513]  ? css_next_child+0x160/0x160
[  392.971074][  T513]  ? stack_trace_save+0x12d/0x1f0
[  392.976080][  T513]  ? io_schedule+0x120/0x120
[  392.980655][  T513]  ? kernfs_fop_write_iter+0x15e/0x410
[  392.986099][  T513]  ? __kasan_check_write+0x14/0x20
[  392.991191][  T513]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  392.996452][  T513]  cgroup_subtree_control_write+0xd19/0x1310
[  393.002405][  T513]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  393.008358][  T513]  ? __kasan_check_write+0x14/0x20
[  393.013469][  T513]  ? _copy_from_iter+0x3fb/0xd60
[  393.018396][  T513]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  393.024361][  T513]  cgroup_file_write+0x28e/0x590
[  393.029273][  T513]  ? cgroup_seqfile_stop+0xc0/0xc0
[  393.034372][  T513]  ? mutex_lock+0xa6/0x110
[  393.038767][  T513]  ? mutex_trylock+0xb0/0xb0
[  393.043337][  T513]  ? __kasan_check_write+0x14/0x20
[  393.048421][  T513]  kernfs_fop_write_iter+0x2d0/0x410
[  393.053680][  T513]  ? cgroup_seqfile_stop+0xc0/0xc0
[  393.058763][  T513]  vfs_write+0xc1c/0xf40
[  393.062979][  T513]  ? slab_free_freelist_hook+0xcc/0x1a0
[  393.068497][  T513]  ? kernel_write+0x3c0/0x3c0
[  393.073149][  T513]  ? do_sys_openat2+0x397/0x470
[  393.077973][  T513]  ? __kasan_check_read+0x11/0x20
[  393.082968][  T513]  ? __fdget_pos+0x27e/0x310
[  393.087528][  T513]  ksys_write+0x198/0x2c0
[  393.091843][  T513]  ? __ia32_sys_read+0x90/0x90
[  393.096597][  T513]  ? debug_smp_processor_id+0x17/0x20
[  393.101943][  T513]  __x64_sys_write+0x7b/0x90
[  393.106504][  T513]  do_syscall_64+0x34/0x70
[  393.110893][  T513]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  393.116767][  T513] RIP: 0033:0x7efdb4cf77c9
[  393.121158][  T513] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  393.140742][  T513] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  393.149141][  T513] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  393.157087][  T513] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  393.165129][  T513] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  393.173208][  T513] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  393.181157][  T513] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000017
[  393.189263][  T513] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  393.238185][  T508] FAULT_INJECTION: forcing a failure.
[  393.238185][  T508] name failslab, interval 1, probability 0, space 0, times 0
[  393.250882][  T508] CPU: 0 PID: 508 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  393.262500][  T508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  393.272537][  T508] Call Trace:
[  393.275802][  T508]  dump_stack_lvl+0x1e2/0x24b
[  393.280452][  T508]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  393.285881][  T508]  ? selinux_kernfs_init_security+0x1a8/0x760
[  393.291920][  T508]  dump_stack+0x15/0x17
[  393.296063][  T508]  should_fail+0x3c0/0x510
[  393.300454][  T508]  ? __kernfs_new_node+0x99/0x6e0
[  393.305451][  T508]  __should_failslab+0x9f/0xe0
[  393.310195][  T508]  should_failslab+0x9/0x20
[  393.314667][  T508]  __kmalloc_track_caller+0x5f/0x350
[  393.319971][  T508]  kstrdup_const+0x55/0x90
[  393.324359][  T508]  __kernfs_new_node+0x99/0x6e0
[  393.329185][  T508]  ? is_module_text_address+0xe1/0x140
[  393.334614][  T508]  ? kernfs_new_node+0x170/0x170
[  393.339520][  T508]  ? ptr_to_hashval+0x60/0x60
[  393.344192][  T508]  ? snprintf+0xd6/0x120
[  393.348415][  T508]  ? __kasan_check_write+0x14/0x20
[  393.353504][  T508]  ? mutex_unlock+0x1d/0x40
[  393.357987][  T508]  kernfs_new_node+0x97/0x170
[  393.362638][  T508]  __kernfs_create_file+0x4a/0x270
[  393.367721][  T508]  cgroup_addrm_files+0xab8/0xfe0
[  393.372729][  T508]  ? ____kasan_kmalloc+0xdc/0x110
[  393.377723][  T508]  ? __kasan_kmalloc+0x9/0x10
[  393.382379][  T508]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  393.387905][  T508]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  393.394034][  T508]  ? delete_node+0x759/0x7b0
[  393.398597][  T508]  ? __kasan_check_read+0x11/0x20
[  393.403595][  T508]  ? idr_replace+0x1c4/0x230
[  393.408154][  T508]  ? idr_get_next+0x4b0/0x4b0
[  393.412801][  T508]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  393.417795][  T508]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  393.422984][  T508]  css_populate_dir+0x137/0x370
[  393.427806][  T508]  cgroup_apply_control_enable+0x8b9/0x12f0
[  393.433670][  T508]  cgroup_apply_control+0x93/0x710
[  393.438768][  T508]  ? css_next_child+0x160/0x160
[  393.443607][  T508]  ? stack_trace_save+0x12d/0x1f0
[  393.448602][  T508]  ? io_schedule+0x120/0x120
[  393.453162][  T508]  ? kernfs_fop_write_iter+0x15e/0x410
[  393.458593][  T508]  ? __kasan_check_write+0x14/0x20
[  393.463674][  T508]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  393.468947][  T508]  cgroup_subtree_control_write+0xd19/0x1310
[  393.474901][  T508]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  393.480850][  T508]  ? __kasan_check_write+0x14/0x20
[  393.485943][  T508]  ? _copy_from_iter+0x3fb/0xd60
[  393.490856][  T508]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  393.496809][  T508]  cgroup_file_write+0x28e/0x590
[  393.501718][  T508]  ? cgroup_seqfile_stop+0xc0/0xc0
[  393.506800][  T508]  ? mutex_lock+0xa6/0x110
[  393.511208][  T508]  ? mutex_trylock+0xb0/0xb0
[  393.515772][  T508]  ? __kasan_check_write+0x14/0x20
[  393.520853][  T508]  kernfs_fop_write_iter+0x2d0/0x410
[  393.526122][  T508]  ? cgroup_seqfile_stop+0xc0/0xc0
[  393.531210][  T508]  vfs_write+0xc1c/0xf40
[  393.535424][  T508]  ? slab_free_freelist_hook+0xcc/0x1a0
[  393.540944][  T508]  ? kernel_write+0x3c0/0x3c0
[  393.545592][  T508]  ? do_sys_openat2+0x397/0x470
[  393.550418][  T508]  ? __kasan_check_read+0x11/0x20
[  393.555414][  T508]  ? __fdget_pos+0x27e/0x310
[  393.559975][  T508]  ksys_write+0x198/0x2c0
[  393.564282][  T508]  ? __ia32_sys_read+0x90/0x90
[  393.569021][  T508]  ? debug_smp_processor_id+0x17/0x20
[  393.574376][  T508]  __x64_sys_write+0x7b/0x90
[  393.578939][  T508]  do_syscall_64+0x34/0x70
[  393.583328][  T508]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  393.589190][  T508] RIP: 0033:0x7efdb4cf77c9
[  393.593577][  T508] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  393.613244][  T508] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  393.621631][  T508] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  393.629576][  T508] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  393.637546][  T508] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  393.645491][  T508] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  393.653452][  T508] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000016
[  393.661524][  T508] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  393.758435][  T514] FAULT_INJECTION: forcing a failure.
[  393.758435][  T514] name failslab, interval 1, probability 0, space 0, times 0
[  393.771075][  T514] CPU: 0 PID: 514 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  393.782691][  T514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  393.792726][  T514] Call Trace:
[  393.795995][  T514]  dump_stack_lvl+0x1e2/0x24b
[  393.800648][  T514]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  393.806085][  T514]  ? selinux_kernfs_init_security+0x1a8/0x760
[  393.812123][  T514]  dump_stack+0x15/0x17
[  393.816254][  T514]  should_fail+0x3c0/0x510
[  393.820646][  T514]  ? __kernfs_new_node+0x99/0x6e0
[  393.825646][  T514]  __should_failslab+0x9f/0xe0
[  393.830382][  T514]  should_failslab+0x9/0x20
[  393.834859][  T514]  __kmalloc_track_caller+0x5f/0x350
[  393.840119][  T514]  kstrdup_const+0x55/0x90
[  393.844508][  T514]  __kernfs_new_node+0x99/0x6e0
[  393.849350][  T514]  ? is_module_text_address+0xe1/0x140
[  393.854782][  T514]  ? kernfs_new_node+0x170/0x170
[  393.859693][  T514]  ? ptr_to_hashval+0x60/0x60
[  393.864345][  T514]  ? snprintf+0xd6/0x120
[  393.868563][  T514]  ? __kasan_check_write+0x14/0x20
[  393.873655][  T514]  ? mutex_unlock+0x1d/0x40
[  393.878143][  T514]  kernfs_new_node+0x97/0x170
[  393.882794][  T514]  __kernfs_create_file+0x4a/0x270
[  393.887886][  T514]  cgroup_addrm_files+0xab8/0xfe0
[  393.892888][  T514]  ? ____kasan_kmalloc+0xdc/0x110
[  393.897886][  T514]  ? __kasan_kmalloc+0x9/0x10
[  393.902538][  T514]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  393.908062][  T514]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  393.914188][  T514]  ? delete_node+0x759/0x7b0
[  393.918752][  T514]  ? __kasan_check_read+0x11/0x20
[  393.923754][  T514]  ? idr_replace+0x1c4/0x230
[  393.928334][  T514]  ? idr_get_next+0x4b0/0x4b0
[  393.932983][  T514]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  393.937992][  T514]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  393.943165][  T514]  css_populate_dir+0x137/0x370
[  393.948155][  T514]  cgroup_apply_control_enable+0x8b9/0x12f0
[  393.954030][  T514]  cgroup_apply_control+0x93/0x710
[  393.959119][  T514]  ? css_next_child+0x160/0x160
[  393.963959][  T514]  ? io_schedule+0x120/0x120
[  393.968532][  T514]  ? kernfs_fop_write_iter+0x15e/0x410
[  393.973974][  T514]  ? __kasan_check_write+0x14/0x20
[  393.979062][  T514]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  393.984325][  T514]  cgroup_subtree_control_write+0xd19/0x1310
[  393.990281][  T514]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  393.996237][  T514]  ? __kasan_check_write+0x14/0x20
[  394.001321][  T514]  ? _copy_from_iter+0x3fb/0xd60
[  394.006232][  T514]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  394.012184][  T514]  cgroup_file_write+0x28e/0x590
[  394.017100][  T514]  ? cgroup_seqfile_stop+0xc0/0xc0
[  394.022192][  T514]  ? mutex_lock+0xa6/0x110
[  394.026583][  T514]  ? mutex_trylock+0xb0/0xb0
[  394.031146][  T514]  ? __kasan_check_write+0x14/0x20
[  394.036233][  T514]  kernfs_fop_write_iter+0x2d0/0x410
[  394.041492][  T514]  ? cgroup_seqfile_stop+0xc0/0xc0
[  394.046582][  T514]  vfs_write+0xc1c/0xf40
[  394.050799][  T514]  ? kernel_write+0x3c0/0x3c0
[  394.055454][  T514]  ? do_sys_openat2+0x397/0x470
[  394.060625][  T514]  ? __kasan_check_read+0x11/0x20
[  394.065625][  T514]  ? __fdget_pos+0x27e/0x310
[  394.070189][  T514]  ksys_write+0x198/0x2c0
[  394.074496][  T514]  ? __ia32_sys_read+0x90/0x90
[  394.079237][  T514]  ? debug_smp_processor_id+0x17/0x20
[  394.084582][  T514]  __x64_sys_write+0x7b/0x90
[  394.089147][  T514]  do_syscall_64+0x34/0x70
[  394.093542][  T514]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  394.099406][  T514] RIP: 0033:0x7efdb4cf77c9
[  394.103801][  T514] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  394.123390][  T514] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  394.131879][  T514] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  394.139833][  T514] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  394.147790][  T514] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
executing program
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  394.155753][  T514] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  394.163707][  T514] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000018
[  394.174187][  T514] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  394.218342][  T511] FAULT_INJECTION: forcing a failure.
[  394.218342][  T511] name failslab, interval 1, probability 0, space 0, times 0
[  394.230981][  T511] CPU: 1 PID: 511 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  394.242576][  T511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  394.252624][  T511] Call Trace:
[  394.255896][  T511]  dump_stack_lvl+0x1e2/0x24b
[  394.260550][  T511]  ? panic+0x7d7/0x7d7
[  394.264590][  T511]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  394.270163][  T511]  ? selinux_kernfs_init_security+0x1a8/0x760
[  394.276204][  T511]  dump_stack+0x15/0x17
[  394.280334][  T511]  should_fail+0x3c0/0x510
[  394.284724][  T511]  __should_failslab+0x9f/0xe0
[  394.289476][  T511]  should_failslab+0x9/0x20
[  394.293950][  T511]  kmem_cache_alloc+0x3f/0x300
[  394.298687][  T511]  ? __kernfs_new_node+0xdb/0x6e0
[  394.303680][  T511]  __kernfs_new_node+0xdb/0x6e0
[  394.308513][  T511]  ? is_module_text_address+0xe1/0x140
[  394.313949][  T511]  ? kernfs_new_node+0x170/0x170
[  394.318868][  T511]  ? ptr_to_hashval+0x60/0x60
[  394.323532][  T511]  ? arch_stack_walk+0xf8/0x140
[  394.328438][  T511]  ? snprintf+0xd6/0x120
[  394.332649][  T511]  kernfs_new_node+0x97/0x170
[  394.337336][  T511]  __kernfs_create_file+0x4a/0x270
[  394.342419][  T511]  cgroup_addrm_files+0xab8/0xfe0
[  394.347418][  T511]  ? ____kasan_kmalloc+0xdc/0x110
[  394.352411][  T511]  ? __kasan_kmalloc+0x9/0x10
[  394.357066][  T511]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  394.362593][  T511]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  394.368714][  T511]  ? delete_node+0x759/0x7b0
[  394.373289][  T511]  ? __kasan_check_read+0x11/0x20
[  394.378281][  T511]  ? delete_node+0x759/0x7b0
[  394.382855][  T511]  ? __kasan_check_write+0x14/0x20
[  394.387940][  T511]  ? idr_replace+0x1c4/0x230
[  394.392503][  T511]  ? idr_get_next+0x4b0/0x4b0
[  394.397152][  T511]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  394.402164][  T511]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  394.407336][  T511]  css_populate_dir+0x137/0x370
[  394.412183][  T511]  cgroup_apply_control_enable+0x8b9/0x12f0
[  394.418052][  T511]  cgroup_apply_control+0x93/0x710
[  394.423148][  T511]  ? css_next_child+0x160/0x160
[  394.427994][  T511]  ? stack_trace_save+0x12d/0x1f0
[  394.433011][  T511]  ? io_schedule+0x120/0x120
[  394.437572][  T511]  ? kernfs_fop_write_iter+0x15e/0x410
[  394.443021][  T511]  ? __kasan_check_write+0x14/0x20
[  394.448103][  T511]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  394.453365][  T511]  cgroup_subtree_control_write+0xd19/0x1310
[  394.459405][  T511]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  394.465357][  T511]  ? __kasan_check_write+0x14/0x20
[  394.470438][  T511]  ? _copy_from_iter+0x3fb/0xd60
[  394.475346][  T511]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  394.481295][  T511]  cgroup_file_write+0x28e/0x590
[  394.486217][  T511]  ? cgroup_seqfile_stop+0xc0/0xc0
[  394.491303][  T511]  ? mutex_lock+0xa6/0x110
[  394.495692][  T511]  ? mutex_trylock+0xb0/0xb0
[  394.500254][  T511]  ? __kasan_check_write+0x14/0x20
[  394.505335][  T511]  kernfs_fop_write_iter+0x2d0/0x410
[  394.510589][  T511]  ? cgroup_seqfile_stop+0xc0/0xc0
[  394.515669][  T511]  vfs_write+0xc1c/0xf40
[  394.519884][  T511]  ? slab_free_freelist_hook+0xcc/0x1a0
[  394.525400][  T511]  ? kernel_write+0x3c0/0x3c0
[  394.530045][  T511]  ? do_sys_openat2+0x397/0x470
[  394.534872][  T511]  ? __kasan_check_read+0x11/0x20
[  394.539876][  T511]  ? __fdget_pos+0x27e/0x310
[  394.544435][  T511]  ksys_write+0x198/0x2c0
[  394.548734][  T511]  ? __ia32_sys_read+0x90/0x90
[  394.553472][  T511]  ? debug_smp_processor_id+0x17/0x20
[  394.558825][  T511]  __x64_sys_write+0x7b/0x90
[  394.563391][  T511]  do_syscall_64+0x34/0x70
[  394.567778][  T511]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  394.573643][  T511] RIP: 0033:0x7efdb4cf77c9
[  394.578030][  T511] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  394.597611][  T511] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  394.606018][  T511] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  394.613964][  T511] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  394.621906][  T511] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  394.629866][  T511] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  394.637807][  T511] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000014
[  394.645867][  T511] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  394.688265][  T518] FAULT_INJECTION: forcing a failure.
[  394.688265][  T518] name failslab, interval 1, probability 0, space 0, times 0
[  394.700929][  T518] CPU: 1 PID: 518 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  394.712585][  T518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  394.722615][  T518] Call Trace:
[  394.725879][  T518]  dump_stack_lvl+0x1e2/0x24b
[  394.730526][  T518]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  394.735975][  T518]  ? selinux_kernfs_init_security+0x1a8/0x760
[  394.742015][  T518]  dump_stack+0x15/0x17
[  394.746163][  T518]  should_fail+0x3c0/0x510
[  394.750549][  T518]  ? __kernfs_new_node+0x99/0x6e0
[  394.755544][  T518]  __should_failslab+0x9f/0xe0
[  394.760283][  T518]  should_failslab+0x9/0x20
[  394.764758][  T518]  __kmalloc_track_caller+0x5f/0x350
[  394.770021][  T518]  kstrdup_const+0x55/0x90
[  394.774409][  T518]  __kernfs_new_node+0x99/0x6e0
[  394.779243][  T518]  ? is_module_text_address+0xe1/0x140
[  394.784672][  T518]  ? kernfs_new_node+0x170/0x170
[  394.789588][  T518]  ? ptr_to_hashval+0x60/0x60
[  394.794240][  T518]  ? snprintf+0xd6/0x120
[  394.798454][  T518]  ? __kasan_check_write+0x14/0x20
[  394.803540][  T518]  ? mutex_unlock+0x1d/0x40
[  394.808026][  T518]  kernfs_new_node+0x97/0x170
[  394.812674][  T518]  __kernfs_create_file+0x4a/0x270
[  394.817769][  T518]  cgroup_addrm_files+0xab8/0xfe0
[  394.822781][  T518]  ? ____kasan_kmalloc+0xdc/0x110
[  394.827777][  T518]  ? __kasan_kmalloc+0x9/0x10
[  394.832424][  T518]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  394.837942][  T518]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  394.844076][  T518]  ? delete_node+0x759/0x7b0
[  394.848645][  T518]  ? __kasan_check_read+0x11/0x20
[  394.853641][  T518]  ? idr_replace+0x1c4/0x230
[  394.858209][  T518]  ? idr_get_next+0x4b0/0x4b0
[  394.862866][  T518]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  394.867858][  T518]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  394.873029][  T518]  css_populate_dir+0x137/0x370
[  394.877853][  T518]  cgroup_apply_control_enable+0x8b9/0x12f0
[  394.883727][  T518]  cgroup_apply_control+0x93/0x710
[  394.888809][  T518]  ? css_next_child+0x160/0x160
[  394.893629][  T518]  ? io_schedule+0x120/0x120
[  394.898190][  T518]  ? kernfs_fop_write_iter+0x15e/0x410
[  394.903635][  T518]  ? __kasan_check_write+0x14/0x20
[  394.908718][  T518]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  394.913972][  T518]  cgroup_subtree_control_write+0xd19/0x1310
[  394.920340][  T518]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  394.926306][  T518]  ? __kasan_check_write+0x14/0x20
[  394.931402][  T518]  ? _copy_from_iter+0x3fb/0xd60
[  394.936321][  T518]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  394.942278][  T518]  cgroup_file_write+0x28e/0x590
[  394.947196][  T518]  ? cgroup_seqfile_stop+0xc0/0xc0
[  394.952284][  T518]  ? mutex_lock+0xa6/0x110
[  394.956676][  T518]  ? mutex_trylock+0xb0/0xb0
[  394.961247][  T518]  ? __kasan_check_write+0x14/0x20
[  394.966336][  T518]  kernfs_fop_write_iter+0x2d0/0x410
[  394.971615][  T518]  ? cgroup_seqfile_stop+0xc0/0xc0
[  394.976704][  T518]  vfs_write+0xc1c/0xf40
[  394.980928][  T518]  ? kernel_write+0x3c0/0x3c0
[  394.985578][  T518]  ? do_sys_openat2+0x397/0x470
[  394.990399][  T518]  ? __kasan_check_read+0x11/0x20
[  394.995396][  T518]  ? __fdget_pos+0x27e/0x310
[  394.999963][  T518]  ksys_write+0x198/0x2c0
[  395.004268][  T518]  ? __kasan_check_write+0x14/0x20
[  395.009355][  T518]  ? __ia32_sys_read+0x90/0x90
[  395.014116][  T518]  ? debug_smp_processor_id+0x17/0x20
[  395.019472][  T518]  __x64_sys_write+0x7b/0x90
[  395.024032][  T518]  do_syscall_64+0x34/0x70
[  395.028422][  T518]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  395.034285][  T518] RIP: 0033:0x7efdb4cf77c9
[  395.038671][  T518] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  395.058255][  T518] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  395.066651][  T518] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  395.074612][  T518] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  395.082646][  T518] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  395.090602][  T518] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  395.098568][  T518] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000015
[  395.106646][  T518] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  395.138232][  T509] FAULT_INJECTION: forcing a failure.
[  395.138232][  T509] name failslab, interval 1, probability 0, space 0, times 0
[  395.150857][  T509] CPU: 0 PID: 509 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  395.162472][  T509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  395.172533][  T509] Call Trace:
[  395.175819][  T509]  dump_stack_lvl+0x1e2/0x24b
[  395.180478][  T509]  ? panic+0x7d7/0x7d7
[  395.184527][  T509]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  395.189986][  T509]  ? selinux_kernfs_init_security+0x1a8/0x760
[  395.196047][  T509]  dump_stack+0x15/0x17
[  395.200182][  T509]  should_fail+0x3c0/0x510
[  395.204756][  T509]  __should_failslab+0x9f/0xe0
[  395.209500][  T509]  should_failslab+0x9/0x20
[  395.213989][  T509]  kmem_cache_alloc+0x3f/0x300
[  395.218751][  T509]  ? __kernfs_new_node+0xdb/0x6e0
[  395.223754][  T509]  __kernfs_new_node+0xdb/0x6e0
[  395.228582][  T509]  ? is_module_text_address+0xe1/0x140
[  395.234021][  T509]  ? kernfs_new_node+0x170/0x170
[  395.238940][  T509]  ? ptr_to_hashval+0x60/0x60
[  395.243597][  T509]  ? arch_stack_walk+0xf8/0x140
[  395.248428][  T509]  ? snprintf+0xd6/0x120
[  395.252647][  T509]  kernfs_new_node+0x97/0x170
[  395.257314][  T509]  __kernfs_create_file+0x4a/0x270
[  395.262403][  T509]  cgroup_addrm_files+0xab8/0xfe0
[  395.267402][  T509]  ? ____kasan_kmalloc+0xdc/0x110
[  395.272400][  T509]  ? __kasan_kmalloc+0x9/0x10
[  395.277056][  T509]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  395.282577][  T509]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  395.288722][  T509]  ? delete_node+0x759/0x7b0
[  395.293292][  T509]  ? __kasan_check_read+0x11/0x20
[  395.298289][  T509]  ? delete_node+0x759/0x7b0
[  395.302864][  T509]  ? __kasan_check_write+0x14/0x20
[  395.307958][  T509]  ? idr_replace+0x1c4/0x230
[  395.312524][  T509]  ? idr_get_next+0x4b0/0x4b0
[  395.317177][  T509]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  395.322176][  T509]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  395.327366][  T509]  css_populate_dir+0x137/0x370
[  395.332193][  T509]  cgroup_apply_control_enable+0x8b9/0x12f0
[  395.338062][  T509]  cgroup_apply_control+0x93/0x710
[  395.343166][  T509]  ? css_next_child+0x160/0x160
[  395.347993][  T509]  ? io_schedule+0x120/0x120
[  395.352561][  T509]  ? kernfs_fop_write_iter+0x15e/0x410
[  395.357996][  T509]  ? __kasan_check_write+0x14/0x20
[  395.363082][  T509]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  395.368453][  T509]  cgroup_subtree_control_write+0xd19/0x1310
[  395.374427][  T509]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  395.380382][  T509]  ? __kasan_check_write+0x14/0x20
[  395.385474][  T509]  ? _copy_from_iter+0x3fb/0xd60
[  395.390385][  T509]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  395.396424][  T509]  cgroup_file_write+0x28e/0x590
[  395.401338][  T509]  ? cgroup_seqfile_stop+0xc0/0xc0
[  395.406423][  T509]  ? mutex_lock+0xa6/0x110
[  395.410817][  T509]  ? mutex_trylock+0xb0/0xb0
[  395.415382][  T509]  ? __kasan_check_write+0x14/0x20
[  395.420471][  T509]  kernfs_fop_write_iter+0x2d0/0x410
[  395.425731][  T509]  ? cgroup_seqfile_stop+0xc0/0xc0
[  395.430820][  T509]  vfs_write+0xc1c/0xf40
[  395.435039][  T509]  ? kernel_write+0x3c0/0x3c0
[  395.439693][  T509]  ? do_sys_openat2+0x397/0x470
[  395.444526][  T509]  ? __kasan_check_read+0x11/0x20
[  395.449541][  T509]  ? __fdget_pos+0x27e/0x310
[  395.454107][  T509]  ksys_write+0x198/0x2c0
[  395.458414][  T509]  ? __ia32_sys_read+0x90/0x90
[  395.463160][  T509]  ? debug_smp_processor_id+0x17/0x20
[  395.468506][  T509]  __x64_sys_write+0x7b/0x90
[  395.473168][  T509]  do_syscall_64+0x34/0x70
[  395.477563][  T509]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  395.483431][  T509] RIP: 0033:0x7efdb4cf77c9
[  395.487825][  T509] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  395.507409][  T509] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  395.516059][  T509] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  395.524010][  T509] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  395.531958][  T509] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  395.539907][  T509] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  395.547872][  T509] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000017
[  395.556030][  T509] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  395.608053][  T516] FAULT_INJECTION: forcing a failure.
[  395.608053][  T516] name failslab, interval 1, probability 0, space 0, times 0
[  395.620766][  T516] CPU: 1 PID: 516 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  395.632362][  T516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  395.642391][  T516] Call Trace:
[  395.645664][  T516]  dump_stack_lvl+0x1e2/0x24b
[  395.650317][  T516]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  395.655747][  T516]  ? selinux_kernfs_init_security+0x1a8/0x760
[  395.661787][  T516]  dump_stack+0x15/0x17
[  395.665917][  T516]  should_fail+0x3c0/0x510
[  395.670309][  T516]  ? __kernfs_new_node+0x99/0x6e0
[  395.675321][  T516]  __should_failslab+0x9f/0xe0
[  395.680138][  T516]  should_failslab+0x9/0x20
[  395.684631][  T516]  __kmalloc_track_caller+0x5f/0x350
[  395.689890][  T516]  kstrdup_const+0x55/0x90
[  395.694278][  T516]  __kernfs_new_node+0x99/0x6e0
[  395.699102][  T516]  ? is_module_text_address+0xe1/0x140
[  395.704535][  T516]  ? kernfs_new_node+0x170/0x170
[  395.709449][  T516]  ? ptr_to_hashval+0x60/0x60
[  395.714105][  T516]  ? snprintf+0xd6/0x120
[  395.718338][  T516]  ? __kasan_check_write+0x14/0x20
[  395.723433][  T516]  ? mutex_unlock+0x1d/0x40
[  395.727922][  T516]  kernfs_new_node+0x97/0x170
[  395.732580][  T516]  __kernfs_create_file+0x4a/0x270
[  395.737675][  T516]  cgroup_addrm_files+0xab8/0xfe0
[  395.742692][  T516]  ? ____kasan_kmalloc+0xdc/0x110
[  395.747707][  T516]  ? __kasan_kmalloc+0x9/0x10
[  395.752378][  T516]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  395.757931][  T516]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  395.764059][  T516]  ? delete_node+0x759/0x7b0
[  395.768630][  T516]  ? __kasan_check_read+0x11/0x20
[  395.773628][  T516]  ? idr_replace+0x1c4/0x230
[  395.778192][  T516]  ? idr_get_next+0x4b0/0x4b0
[  395.782839][  T516]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  395.787856][  T516]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  395.793048][  T516]  css_populate_dir+0x137/0x370
[  395.797885][  T516]  cgroup_apply_control_enable+0x8b9/0x12f0
[  395.803774][  T516]  cgroup_apply_control+0x93/0x710
[  395.808863][  T516]  ? css_next_child+0x160/0x160
[  395.813696][  T516]  ? stack_trace_save+0x12d/0x1f0
[  395.818695][  T516]  ? io_schedule+0x120/0x120
[  395.823259][  T516]  ? kernfs_fop_write_iter+0x15e/0x410
[  395.828697][  T516]  ? __kasan_check_write+0x14/0x20
[  395.833786][  T516]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  395.839059][  T516]  cgroup_subtree_control_write+0xd19/0x1310
[  395.845031][  T516]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  395.850993][  T516]  ? __kasan_check_write+0x14/0x20
[  395.856079][  T516]  ? _copy_from_iter+0x3fb/0xd60
[  395.860992][  T516]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  395.866947][  T516]  cgroup_file_write+0x28e/0x590
[  395.871870][  T516]  ? cgroup_seqfile_stop+0xc0/0xc0
[  395.876956][  T516]  ? mutex_lock+0xa6/0x110
[  395.881347][  T516]  ? mutex_trylock+0xb0/0xb0
[  395.885914][  T516]  ? __kasan_check_write+0x14/0x20
[  395.890998][  T516]  kernfs_fop_write_iter+0x2d0/0x410
[  395.896264][  T516]  ? cgroup_seqfile_stop+0xc0/0xc0
[  395.901363][  T516]  vfs_write+0xc1c/0xf40
[  395.905579][  T516]  ? slab_free_freelist_hook+0xcc/0x1a0
[  395.911102][  T516]  ? kernel_write+0x3c0/0x3c0
[  395.915766][  T516]  ? do_sys_openat2+0x397/0x470
[  395.920601][  T516]  ? __kasan_check_read+0x11/0x20
[  395.925609][  T516]  ? __fdget_pos+0x27e/0x310
[  395.930172][  T516]  ksys_write+0x198/0x2c0
[  395.934476][  T516]  ? __ia32_sys_read+0x90/0x90
[  395.939223][  T516]  ? debug_smp_processor_id+0x17/0x20
[  395.944577][  T516]  __x64_sys_write+0x7b/0x90
[  395.949149][  T516]  do_syscall_64+0x34/0x70
[  395.953559][  T516]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  395.959428][  T516] RIP: 0033:0x7efdb4cf77c9
[  395.963823][  T516] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  395.983489][  T516] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  395.991878][  T516] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  395.999830][  T516] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  396.007791][  T516] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  396.015745][  T516] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  396.023707][  T516] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000015
[  396.031760][  T516] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  396.078269][  T521] FAULT_INJECTION: forcing a failure.
[  396.078269][  T521] name failslab, interval 1, probability 0, space 0, times 0
[  396.090986][  T521] CPU: 1 PID: 521 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  396.102592][  T521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  396.112623][  T521] Call Trace:
[  396.115910][  T521]  dump_stack_lvl+0x1e2/0x24b
[  396.120561][  T521]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  396.126047][  T521]  ? selinux_kernfs_init_security+0x1a8/0x760
[  396.132085][  T521]  dump_stack+0x15/0x17
[  396.136222][  T521]  should_fail+0x3c0/0x510
[  396.140619][  T521]  ? __kernfs_new_node+0x99/0x6e0
[  396.145614][  T521]  __should_failslab+0x9f/0xe0
[  396.150413][  T521]  should_failslab+0x9/0x20
[  396.154894][  T521]  __kmalloc_track_caller+0x5f/0x350
[  396.160153][  T521]  kstrdup_const+0x55/0x90
[  396.164597][  T521]  __kernfs_new_node+0x99/0x6e0
[  396.169421][  T521]  ? is_module_text_address+0xe1/0x140
[  396.174852][  T521]  ? kernfs_new_node+0x170/0x170
[  396.179764][  T521]  ? ptr_to_hashval+0x60/0x60
[  396.184413][  T521]  ? arch_stack_walk+0xf8/0x140
[  396.189239][  T521]  ? snprintf+0xd6/0x120
[  396.193451][  T521]  kernfs_new_node+0x97/0x170
[  396.198108][  T521]  __kernfs_create_file+0x4a/0x270
[  396.203199][  T521]  cgroup_addrm_files+0xab8/0xfe0
[  396.208199][  T521]  ? ____kasan_kmalloc+0xdc/0x110
[  396.213194][  T521]  ? __kasan_kmalloc+0x9/0x10
[  396.217845][  T521]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  396.223366][  T521]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  396.229501][  T521]  ? delete_node+0x759/0x7b0
[  396.234067][  T521]  ? __kasan_check_read+0x11/0x20
[  396.239079][  T521]  ? delete_node+0x759/0x7b0
[  396.243641][  T521]  ? __kasan_check_write+0x14/0x20
[  396.248733][  T521]  ? idr_replace+0x1c4/0x230
[  396.253301][  T521]  ? idr_get_next+0x4b0/0x4b0
[  396.257971][  T521]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  396.262971][  T521]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  396.268147][  T521]  css_populate_dir+0x137/0x370
[  396.272971][  T521]  cgroup_apply_control_enable+0x8b9/0x12f0
[  396.278861][  T521]  cgroup_apply_control+0x93/0x710
[  396.283951][  T521]  ? css_next_child+0x160/0x160
[  396.288777][  T521]  ? stack_trace_save+0x12d/0x1f0
[  396.293778][  T521]  ? io_schedule+0x120/0x120
[  396.298346][  T521]  ? kernfs_fop_write_iter+0x15e/0x410
[  396.303784][  T521]  ? __kasan_check_write+0x14/0x20
[  396.308869][  T521]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  396.314125][  T521]  cgroup_subtree_control_write+0xd19/0x1310
[  396.320078][  T521]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  396.326029][  T521]  ? __kasan_check_write+0x14/0x20
[  396.331114][  T521]  ? _copy_from_iter+0x3fb/0xd60
[  396.336025][  T521]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  396.341983][  T521]  cgroup_file_write+0x28e/0x590
[  396.346894][  T521]  ? cgroup_seqfile_stop+0xc0/0xc0
[  396.351980][  T521]  ? mutex_lock+0xa6/0x110
[  396.356367][  T521]  ? mutex_trylock+0xb0/0xb0
[  396.360947][  T521]  ? __kasan_check_write+0x14/0x20
[  396.366030][  T521]  kernfs_fop_write_iter+0x2d0/0x410
[  396.371288][  T521]  ? cgroup_seqfile_stop+0xc0/0xc0
[  396.376372][  T521]  vfs_write+0xc1c/0xf40
[  396.380585][  T521]  ? slab_free_freelist_hook+0xcc/0x1a0
[  396.386102][  T521]  ? kernel_write+0x3c0/0x3c0
[  396.390750][  T521]  ? do_sys_openat2+0x397/0x470
[  396.395571][  T521]  ? __kasan_check_read+0x11/0x20
[  396.400567][  T521]  ? __fdget_pos+0x27e/0x310
[  396.405127][  T521]  ksys_write+0x198/0x2c0
[  396.409435][  T521]  ? __ia32_sys_read+0x90/0x90
[  396.414173][  T521]  ? debug_smp_processor_id+0x17/0x20
[  396.419516][  T521]  __x64_sys_write+0x7b/0x90
[  396.424077][  T521]  do_syscall_64+0x34/0x70
[  396.428470][  T521]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  396.434345][  T521] RIP: 0033:0x7efdb4cf77c9
[  396.438751][  T521] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  396.458332][  T521] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  396.466725][  T521] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  396.474677][  T521] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  396.482623][  T521] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  396.490567][  T521] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  396.498513][  T521] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000016
[  396.506569][  T521] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  396.548255][  T520] FAULT_INJECTION: forcing a failure.
[  396.548255][  T520] name failslab, interval 1, probability 0, space 0, times 0
[  396.560935][  T520] CPU: 0 PID: 520 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  396.572534][  T520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  396.582570][  T520] Call Trace:
[  396.585839][  T520]  dump_stack_lvl+0x1e2/0x24b
[  396.590487][  T520]  ? panic+0x7d7/0x7d7
[  396.594549][  T520]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  396.599983][  T520]  ? selinux_kernfs_init_security+0x1a8/0x760
[  396.606022][  T520]  dump_stack+0x15/0x17
[  396.610152][  T520]  should_fail+0x3c0/0x510
[  396.614542][  T520]  __should_failslab+0x9f/0xe0
[  396.619281][  T520]  should_failslab+0x9/0x20
[  396.623765][  T520]  kmem_cache_alloc+0x3f/0x300
[  396.628619][  T520]  ? __kernfs_new_node+0xdb/0x6e0
[  396.633617][  T520]  __kernfs_new_node+0xdb/0x6e0
[  396.638444][  T520]  ? is_module_text_address+0xe1/0x140
[  396.643874][  T520]  ? kernfs_new_node+0x170/0x170
[  396.648786][  T520]  ? ptr_to_hashval+0x60/0x60
[  396.653438][  T520]  ? arch_stack_walk+0xf8/0x140
[  396.658261][  T520]  ? snprintf+0xd6/0x120
[  396.662477][  T520]  kernfs_new_node+0x97/0x170
[  396.667126][  T520]  __kernfs_create_file+0x4a/0x270
[  396.672210][  T520]  cgroup_addrm_files+0xab8/0xfe0
[  396.677207][  T520]  ? ____kasan_kmalloc+0xdc/0x110
[  396.682204][  T520]  ? __kasan_kmalloc+0x9/0x10
[  396.686863][  T520]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  396.692408][  T520]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  396.698540][  T520]  ? delete_node+0x759/0x7b0
[  396.703108][  T520]  ? __kasan_check_read+0x11/0x20
[  396.708113][  T520]  ? delete_node+0x759/0x7b0
[  396.712703][  T520]  ? __kasan_check_write+0x14/0x20
[  396.717789][  T520]  ? idr_replace+0x1c4/0x230
[  396.722371][  T520]  ? idr_get_next+0x4b0/0x4b0
[  396.727020][  T520]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  396.732018][  T520]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  396.737188][  T520]  css_populate_dir+0x137/0x370
[  396.742014][  T520]  cgroup_apply_control_enable+0x8b9/0x12f0
[  396.747880][  T520]  cgroup_apply_control+0x93/0x710
[  396.752983][  T520]  ? css_next_child+0x160/0x160
[  396.757815][  T520]  ? stack_trace_save+0x12d/0x1f0
[  396.762821][  T520]  ? io_schedule+0x120/0x120
[  396.767386][  T520]  ? kernfs_fop_write_iter+0x15e/0x410
[  396.772817][  T520]  ? __kasan_check_write+0x14/0x20
[  396.777903][  T520]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  396.783172][  T520]  cgroup_subtree_control_write+0xd19/0x1310
[  396.789128][  T520]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  396.795081][  T520]  ? __kasan_check_write+0x14/0x20
[  396.800164][  T520]  ? _copy_from_iter+0x3fb/0xd60
[  396.805072][  T520]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  396.811024][  T520]  cgroup_file_write+0x28e/0x590
[  396.815933][  T520]  ? cgroup_seqfile_stop+0xc0/0xc0
[  396.821021][  T520]  ? mutex_lock+0xa6/0x110
[  396.825430][  T520]  ? mutex_trylock+0xb0/0xb0
[  396.830025][  T520]  ? __kasan_check_write+0x14/0x20
[  396.835108][  T520]  kernfs_fop_write_iter+0x2d0/0x410
[  396.840364][  T520]  ? cgroup_seqfile_stop+0xc0/0xc0
[  396.845445][  T520]  vfs_write+0xc1c/0xf40
[  396.849665][  T520]  ? slab_free_freelist_hook+0xcc/0x1a0
[  396.855200][  T520]  ? kernel_write+0x3c0/0x3c0
[  396.859851][  T520]  ? do_sys_openat2+0x397/0x470
[  396.864686][  T520]  ? __kasan_check_read+0x11/0x20
[  396.869695][  T520]  ? __fdget_pos+0x27e/0x310
[  396.874259][  T520]  ksys_write+0x198/0x2c0
[  396.878566][  T520]  ? __ia32_sys_read+0x90/0x90
[  396.883307][  T520]  ? debug_smp_processor_id+0x17/0x20
[  396.888746][  T520]  __x64_sys_write+0x7b/0x90
[  396.893399][  T520]  do_syscall_64+0x34/0x70
[  396.897793][  T520]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  396.903658][  T520] RIP: 0033:0x7efdb4cf77c9
[  396.908065][  T520] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  396.929649][  T520] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  396.938082][  T520] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  396.946054][  T520] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  396.954018][  T520] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  396.962155][  T520] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  396.970110][  T520] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000018
[  396.978315][  T520] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  397.018018][  T517] FAULT_INJECTION: forcing a failure.
[  397.018018][  T517] name failslab, interval 1, probability 0, space 0, times 0
[  397.030654][  T517] CPU: 1 PID: 517 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  397.042255][  T517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  397.052283][  T517] Call Trace:
[  397.055552][  T517]  dump_stack_lvl+0x1e2/0x24b
[  397.060231][  T517]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  397.065670][  T517]  ? selinux_kernfs_init_security+0x1a8/0x760
[  397.071715][  T517]  dump_stack+0x15/0x17
[  397.075855][  T517]  should_fail+0x3c0/0x510
[  397.080246][  T517]  ? __kernfs_new_node+0x99/0x6e0
[  397.085349][  T517]  __should_failslab+0x9f/0xe0
[  397.090169][  T517]  should_failslab+0x9/0x20
[  397.094666][  T517]  __kmalloc_track_caller+0x5f/0x350
[  397.099933][  T517]  kstrdup_const+0x55/0x90
[  397.104333][  T517]  __kernfs_new_node+0x99/0x6e0
[  397.109167][  T517]  ? is_module_text_address+0xe1/0x140
[  397.115043][  T517]  ? kernfs_new_node+0x170/0x170
[  397.119959][  T517]  ? ptr_to_hashval+0x60/0x60
[  397.124651][  T517]  ? snprintf+0xd6/0x120
[  397.128894][  T517]  ? __kasan_check_write+0x14/0x20
[  397.134004][  T517]  ? mutex_unlock+0x1d/0x40
[  397.138487][  T517]  kernfs_new_node+0x97/0x170
[  397.143151][  T517]  __kernfs_create_file+0x4a/0x270
[  397.148256][  T517]  cgroup_addrm_files+0xab8/0xfe0
[  397.153265][  T517]  ? ____kasan_kmalloc+0xdc/0x110
[  397.158370][  T517]  ? __kasan_kmalloc+0x9/0x10
[  397.163025][  T517]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  397.168548][  T517]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  397.174764][  T517]  ? delete_node+0x759/0x7b0
[  397.179340][  T517]  ? __kasan_check_read+0x11/0x20
[  397.184352][  T517]  ? idr_replace+0x1c4/0x230
[  397.188918][  T517]  ? idr_get_next+0x4b0/0x4b0
[  397.193577][  T517]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  397.198587][  T517]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  397.203775][  T517]  css_populate_dir+0x137/0x370
[  397.208619][  T517]  cgroup_apply_control_enable+0x8b9/0x12f0
[  397.214488][  T517]  cgroup_apply_control+0x93/0x710
[  397.219592][  T517]  ? css_next_child+0x160/0x160
[  397.224440][  T517]  ? stack_trace_save+0x12d/0x1f0
[  397.229444][  T517]  ? io_schedule+0x120/0x120
[  397.234017][  T517]  ? kernfs_fop_write_iter+0x15e/0x410
[  397.239484][  T517]  ? __kasan_check_write+0x14/0x20
[  397.244583][  T517]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  397.249840][  T517]  cgroup_subtree_control_write+0xd19/0x1310
[  397.255802][  T517]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  397.261765][  T517]  ? __kasan_check_write+0x14/0x20
[  397.266851][  T517]  ? _copy_from_iter+0x3fb/0xd60
[  397.271760][  T517]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  397.277725][  T517]  cgroup_file_write+0x28e/0x590
[  397.282647][  T517]  ? cgroup_seqfile_stop+0xc0/0xc0
[  397.287753][  T517]  ? mutex_lock+0xa6/0x110
[  397.292150][  T517]  ? mutex_trylock+0xb0/0xb0
[  397.296715][  T517]  ? __kasan_check_write+0x14/0x20
[  397.301825][  T517]  kernfs_fop_write_iter+0x2d0/0x410
[  397.307103][  T517]  ? cgroup_seqfile_stop+0xc0/0xc0
[  397.312201][  T517]  vfs_write+0xc1c/0xf40
[  397.316421][  T517]  ? slab_free_freelist_hook+0xcc/0x1a0
[  397.321938][  T517]  ? kernel_write+0x3c0/0x3c0
[  397.326586][  T517]  ? do_sys_openat2+0x397/0x470
[  397.331417][  T517]  ? __kasan_check_read+0x11/0x20
[  397.336440][  T517]  ? __fdget_pos+0x27e/0x310
[  397.341011][  T517]  ksys_write+0x198/0x2c0
[  397.345343][  T517]  ? __ia32_sys_read+0x90/0x90
[  397.350092][  T517]  ? debug_smp_processor_id+0x17/0x20
[  397.355459][  T517]  __x64_sys_write+0x7b/0x90
[  397.360020][  T517]  do_syscall_64+0x34/0x70
[  397.364411][  T517]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  397.370279][  T517] RIP: 0033:0x7efdb4cf77c9
[  397.374683][  T517] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  397.394277][  T517] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  397.402671][  T517] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  397.410616][  T517] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  397.418561][  T517] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  397.426506][  T517] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  397.434459][  T517] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000019
[  397.442522][  T517] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  397.488033][  T515] FAULT_INJECTION: forcing a failure.
[  397.488033][  T515] name failslab, interval 1, probability 0, space 0, times 0
[  397.500700][  T515] CPU: 1 PID: 515 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  397.512393][  T515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  397.522426][  T515] Call Trace:
[  397.525697][  T515]  dump_stack_lvl+0x1e2/0x24b
[  397.530350][  T515]  ? panic+0x7d7/0x7d7
[  397.534411][  T515]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  397.539847][  T515]  ? do_syscall_64+0x34/0x70
[  397.544422][  T515]  dump_stack+0x15/0x17
[  397.548562][  T515]  should_fail+0x3c0/0x510
[  397.552953][  T515]  __should_failslab+0x9f/0xe0
[  397.557695][  T515]  should_failslab+0x9/0x20
[  397.562172][  T515]  kmem_cache_alloc+0x3f/0x300
[  397.566910][  T515]  ? __kernfs_new_node+0xdb/0x6e0
[  397.571920][  T515]  __kernfs_new_node+0xdb/0x6e0
[  397.576752][  T515]  ? is_module_text_address+0xe1/0x140
[  397.582183][  T515]  ? kernfs_new_node+0x170/0x170
[  397.587117][  T515]  ? ptr_to_hashval+0x60/0x60
[  397.591785][  T515]  ? arch_stack_walk+0xf8/0x140
[  397.596615][  T515]  ? snprintf+0xd6/0x120
[  397.600839][  T515]  kernfs_new_node+0x97/0x170
[  397.605491][  T515]  __kernfs_create_file+0x4a/0x270
[  397.610575][  T515]  cgroup_addrm_files+0xab8/0xfe0
[  397.615574][  T515]  ? ____kasan_kmalloc+0xdc/0x110
[  397.620579][  T515]  ? __kasan_kmalloc+0x9/0x10
[  397.625254][  T515]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  397.630792][  T515]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  397.636971][  T515]  ? delete_node+0x759/0x7b0
[  397.641559][  T515]  ? __kasan_check_read+0x11/0x20
[  397.646564][  T515]  ? delete_node+0x759/0x7b0
[  397.651133][  T515]  ? __kasan_check_write+0x14/0x20
[  397.656234][  T515]  ? idr_replace+0x1c4/0x230
[  397.660938][  T515]  ? idr_get_next+0x4b0/0x4b0
[  397.665600][  T515]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  397.670613][  T515]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  397.675787][  T515]  css_populate_dir+0x137/0x370
[  397.680642][  T515]  cgroup_apply_control_enable+0x8b9/0x12f0
[  397.686529][  T515]  cgroup_apply_control+0x93/0x710
[  397.691615][  T515]  ? css_next_child+0x160/0x160
[  397.696440][  T515]  ? stack_trace_save+0x12d/0x1f0
[  397.701439][  T515]  ? io_schedule+0x120/0x120
[  397.706006][  T515]  ? kernfs_fop_write_iter+0x15e/0x410
[  397.711447][  T515]  ? __kasan_check_write+0x14/0x20
[  397.716535][  T515]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  397.721906][  T515]  cgroup_subtree_control_write+0xd19/0x1310
[  397.727860][  T515]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  397.733812][  T515]  ? __kasan_check_write+0x14/0x20
[  397.738894][  T515]  ? _copy_from_iter+0x3fb/0xd60
[  397.743804][  T515]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  397.749753][  T515]  cgroup_file_write+0x28e/0x590
[  397.754665][  T515]  ? cgroup_seqfile_stop+0xc0/0xc0
[  397.759747][  T515]  ? mutex_lock+0xa6/0x110
[  397.764137][  T515]  ? mutex_trylock+0xb0/0xb0
[  397.768707][  T515]  ? __kasan_check_write+0x14/0x20
[  397.773791][  T515]  kernfs_fop_write_iter+0x2d0/0x410
[  397.779050][  T515]  ? cgroup_seqfile_stop+0xc0/0xc0
[  397.784155][  T515]  vfs_write+0xc1c/0xf40
[  397.788387][  T515]  ? slab_free_freelist_hook+0xcc/0x1a0
[  397.793907][  T515]  ? kernel_write+0x3c0/0x3c0
[  397.798560][  T515]  ? do_sys_openat2+0x397/0x470
[  397.803390][  T515]  ? __kasan_check_read+0x11/0x20
[  397.808398][  T515]  ? __fdget_pos+0x27e/0x310
[  397.812967][  T515]  ksys_write+0x198/0x2c0
[  397.817270][  T515]  ? __ia32_sys_read+0x90/0x90
[  397.822007][  T515]  ? debug_smp_processor_id+0x17/0x20
[  397.827355][  T515]  __x64_sys_write+0x7b/0x90
[  397.831918][  T515]  do_syscall_64+0x34/0x70
[  397.836309][  T515]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  397.842178][  T515] RIP: 0033:0x7efdb4cf77c9
[  397.846567][  T515] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  397.866153][  T515] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  397.874550][  T515] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  397.882502][  T515] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  397.890460][  T515] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  397.898424][  T515] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  397.906373][  T515] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000017
[  397.914492][  T515] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  397.958201][  T525] FAULT_INJECTION: forcing a failure.
[  397.958201][  T525] name failslab, interval 1, probability 0, space 0, times 0
[  397.970830][  T525] CPU: 1 PID: 525 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  397.982549][  T525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  397.992609][  T525] Call Trace:
[  397.995883][  T525]  dump_stack_lvl+0x1e2/0x24b
[  398.000542][  T525]  ? panic+0x7d7/0x7d7
[  398.004591][  T525]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  398.010028][  T525]  ? selinux_kernfs_init_security+0x1a8/0x760
[  398.016073][  T525]  dump_stack+0x15/0x17
[  398.020203][  T525]  should_fail+0x3c0/0x510
[  398.024603][  T525]  __should_failslab+0x9f/0xe0
[  398.029352][  T525]  should_failslab+0x9/0x20
[  398.033845][  T525]  kmem_cache_alloc+0x3f/0x300
[  398.038584][  T525]  ? __kernfs_new_node+0xdb/0x6e0
[  398.043580][  T525]  __kernfs_new_node+0xdb/0x6e0
[  398.048425][  T525]  ? is_module_text_address+0xe1/0x140
[  398.053865][  T525]  ? kernfs_new_node+0x170/0x170
[  398.058778][  T525]  ? ptr_to_hashval+0x60/0x60
[  398.063431][  T525]  ? arch_stack_walk+0xf8/0x140
[  398.068254][  T525]  ? snprintf+0xd6/0x120
[  398.072478][  T525]  kernfs_new_node+0x97/0x170
[  398.077125][  T525]  __kernfs_create_file+0x4a/0x270
[  398.082213][  T525]  cgroup_addrm_files+0xab8/0xfe0
[  398.087217][  T525]  ? ____kasan_kmalloc+0xdc/0x110
[  398.092234][  T525]  ? __kasan_kmalloc+0x9/0x10
[  398.096886][  T525]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  398.102406][  T525]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  398.108538][  T525]  ? delete_node+0x759/0x7b0
[  398.113102][  T525]  ? __kasan_check_read+0x11/0x20
[  398.118098][  T525]  ? delete_node+0x759/0x7b0
[  398.122663][  T525]  ? __kasan_check_write+0x14/0x20
[  398.127759][  T525]  ? idr_replace+0x1c4/0x230
[  398.132334][  T525]  ? idr_get_next+0x4b0/0x4b0
[  398.136983][  T525]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  398.141979][  T525]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  398.147152][  T525]  css_populate_dir+0x137/0x370
[  398.151977][  T525]  cgroup_apply_control_enable+0x8b9/0x12f0
[  398.157845][  T525]  cgroup_apply_control+0x93/0x710
[  398.162931][  T525]  ? css_next_child+0x160/0x160
[  398.167764][  T525]  ? stack_trace_save+0x12d/0x1f0
[  398.172774][  T525]  ? io_schedule+0x120/0x120
[  398.177364][  T525]  ? kernfs_fop_write_iter+0x15e/0x410
[  398.182802][  T525]  ? __kasan_check_write+0x14/0x20
[  398.187893][  T525]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  398.193270][  T525]  cgroup_subtree_control_write+0xd19/0x1310
[  398.199226][  T525]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  398.205202][  T525]  ? __kasan_check_write+0x14/0x20
[  398.210289][  T525]  ? _copy_from_iter+0x3fb/0xd60
[  398.215286][  T525]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  398.221243][  T525]  cgroup_file_write+0x28e/0x590
[  398.226160][  T525]  ? cgroup_seqfile_stop+0xc0/0xc0
[  398.231416][  T525]  ? mutex_lock+0xa6/0x110
[  398.235810][  T525]  ? mutex_trylock+0xb0/0xb0
[  398.240376][  T525]  ? __kasan_check_write+0x14/0x20
[  398.245464][  T525]  kernfs_fop_write_iter+0x2d0/0x410
[  398.250731][  T525]  ? cgroup_seqfile_stop+0xc0/0xc0
[  398.255823][  T525]  vfs_write+0xc1c/0xf40
[  398.260054][  T525]  ? slab_free_freelist_hook+0xcc/0x1a0
[  398.265581][  T525]  ? kernel_write+0x3c0/0x3c0
[  398.270234][  T525]  ? do_sys_openat2+0x397/0x470
[  398.275069][  T525]  ? __kasan_check_read+0x11/0x20
[  398.280071][  T525]  ? __fdget_pos+0x27e/0x310
[  398.284635][  T525]  ksys_write+0x198/0x2c0
[  398.288950][  T525]  ? __ia32_sys_read+0x90/0x90
[  398.293709][  T525]  ? debug_smp_processor_id+0x17/0x20
[  398.299085][  T525]  __x64_sys_write+0x7b/0x90
[  398.303666][  T525]  do_syscall_64+0x34/0x70
[  398.308060][  T525]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  398.313926][  T525] RIP: 0033:0x7efdb4cf77c9
[  398.318317][  T525] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  398.337906][  T525] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  398.346294][  T525] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  398.354327][  T525] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  398.362275][  T525] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  398.370223][  T525] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  398.378194][  T525] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000018
[  398.386248][  T525] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  398.428442][  T526] FAULT_INJECTION: forcing a failure.
[  398.428442][  T526] name failslab, interval 1, probability 0, space 0, times 0
[  398.441236][  T526] CPU: 0 PID: 526 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  398.452850][  T526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  398.462883][  T526] Call Trace:
[  398.466153][  T526]  dump_stack_lvl+0x1e2/0x24b
[  398.470805][  T526]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  398.476239][  T526]  ? selinux_kernfs_init_security+0x1a8/0x760
[  398.482280][  T526]  dump_stack+0x15/0x17
[  398.486422][  T526]  should_fail+0x3c0/0x510
[  398.490821][  T526]  ? __kernfs_new_node+0x99/0x6e0
[  398.495818][  T526]  __should_failslab+0x9f/0xe0
[  398.500559][  T526]  should_failslab+0x9/0x20
[  398.505039][  T526]  __kmalloc_track_caller+0x5f/0x350
[  398.510296][  T526]  kstrdup_const+0x55/0x90
[  398.514695][  T526]  __kernfs_new_node+0x99/0x6e0
[  398.519530][  T526]  ? is_module_text_address+0xe1/0x140
[  398.524970][  T526]  ? kernfs_new_node+0x170/0x170
[  398.529881][  T526]  ? ptr_to_hashval+0x60/0x60
[  398.534548][  T526]  ? snprintf+0xd6/0x120
[  398.538763][  T526]  ? __kasan_check_write+0x14/0x20
[  398.543848][  T526]  ? mutex_unlock+0x1d/0x40
[  398.548341][  T526]  kernfs_new_node+0x97/0x170
[  398.552998][  T526]  __kernfs_create_file+0x4a/0x270
[  398.558084][  T526]  cgroup_addrm_files+0xab8/0xfe0
[  398.563277][  T526]  ? ____kasan_kmalloc+0xdc/0x110
[  398.568281][  T526]  ? __kasan_kmalloc+0x9/0x10
[  398.573107][  T526]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  398.578643][  T526]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  398.584782][  T526]  ? delete_node+0x759/0x7b0
[  398.589368][  T526]  ? __kasan_check_read+0x11/0x20
[  398.594369][  T526]  ? idr_replace+0x1c4/0x230
[  398.598935][  T526]  ? idr_get_next+0x4b0/0x4b0
[  398.603588][  T526]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  398.608847][  T526]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  398.614018][  T526]  css_populate_dir+0x137/0x370
[  398.618844][  T526]  cgroup_apply_control_enable+0x8b9/0x12f0
[  398.624712][  T526]  cgroup_apply_control+0x93/0x710
[  398.629796][  T526]  ? css_next_child+0x160/0x160
[  398.634622][  T526]  ? io_schedule+0x120/0x120
[  398.639186][  T526]  ? kernfs_fop_write_iter+0x15e/0x410
[  398.644636][  T526]  ? __kasan_check_write+0x14/0x20
[  398.649720][  T526]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  398.654981][  T526]  cgroup_subtree_control_write+0xd19/0x1310
[  398.660937][  T526]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  398.666893][  T526]  ? __kasan_check_write+0x14/0x20
[  398.671980][  T526]  ? _copy_from_iter+0x3fb/0xd60
[  398.676889][  T526]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  398.682842][  T526]  cgroup_file_write+0x28e/0x590
[  398.687770][  T526]  ? cgroup_seqfile_stop+0xc0/0xc0
[  398.692857][  T526]  ? mutex_lock+0xa6/0x110
[  398.697247][  T526]  ? mutex_trylock+0xb0/0xb0
[  398.701815][  T526]  ? __kasan_check_write+0x14/0x20
[  398.706969][  T526]  kernfs_fop_write_iter+0x2d0/0x410
[  398.712250][  T526]  ? cgroup_seqfile_stop+0xc0/0xc0
[  398.717339][  T526]  vfs_write+0xc1c/0xf40
[  398.721558][  T526]  ? kernel_write+0x3c0/0x3c0
[  398.726220][  T526]  ? do_sys_openat2+0x397/0x470
[  398.731050][  T526]  ? __kasan_check_read+0x11/0x20
[  398.736050][  T526]  ? __fdget_pos+0x27e/0x310
[  398.740623][  T526]  ksys_write+0x198/0x2c0
[  398.744969][  T526]  ? __ia32_sys_read+0x90/0x90
[  398.749710][  T526]  ? debug_smp_processor_id+0x17/0x20
[  398.755056][  T526]  __x64_sys_write+0x7b/0x90
[  398.759621][  T526]  do_syscall_64+0x34/0x70
[  398.764039][  T526]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  398.769909][  T526] RIP: 0033:0x7efdb4cf77c9
[  398.774319][  T526] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  398.793909][  T526] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  398.802306][  T526] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  398.810258][  T526] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  398.818205][  T526] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  398.826171][  T526] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  398.834119][  T526] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000019
[  398.842228][  T526] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  398.888033][  T512] FAULT_INJECTION: forcing a failure.
[  398.888033][  T512] name failslab, interval 1, probability 0, space 0, times 0
[  398.900695][  T512] CPU: 1 PID: 512 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  398.912460][  T512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  398.922497][  T512] Call Trace:
[  398.925783][  T512]  dump_stack_lvl+0x1e2/0x24b
[  398.930452][  T512]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  398.935884][  T512]  ? selinux_kernfs_init_security+0x1a8/0x760
[  398.941933][  T512]  dump_stack+0x15/0x17
[  398.946075][  T512]  should_fail+0x3c0/0x510
[  398.950476][  T512]  ? __kernfs_new_node+0x99/0x6e0
[  398.955482][  T512]  __should_failslab+0x9f/0xe0
[  398.960249][  T512]  should_failslab+0x9/0x20
[  398.964737][  T512]  __kmalloc_track_caller+0x5f/0x350
[  398.970002][  T512]  kstrdup_const+0x55/0x90
[  398.974401][  T512]  __kernfs_new_node+0x99/0x6e0
[  398.979232][  T512]  ? is_module_text_address+0xe1/0x140
[  398.984669][  T512]  ? kernfs_new_node+0x170/0x170
[  398.989585][  T512]  ? ptr_to_hashval+0x60/0x60
[  398.994241][  T512]  ? snprintf+0xd6/0x120
[  398.998462][  T512]  ? __kasan_check_write+0x14/0x20
[  399.003553][  T512]  ? mutex_unlock+0x1d/0x40
[  399.008033][  T512]  kernfs_new_node+0x97/0x170
[  399.012689][  T512]  __kernfs_create_file+0x4a/0x270
[  399.017777][  T512]  cgroup_addrm_files+0xab8/0xfe0
[  399.022775][  T512]  ? ____kasan_kmalloc+0xdc/0x110
[  399.027778][  T512]  ? __kasan_kmalloc+0x9/0x10
[  399.032435][  T512]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  399.037955][  T512]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  399.044084][  T512]  ? delete_node+0x759/0x7b0
[  399.048652][  T512]  ? __kasan_check_read+0x11/0x20
[  399.053659][  T512]  ? idr_replace+0x1c4/0x230
[  399.058247][  T512]  ? idr_get_next+0x4b0/0x4b0
[  399.062900][  T512]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  399.067919][  T512]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  399.073110][  T512]  css_populate_dir+0x137/0x370
[  399.077942][  T512]  cgroup_apply_control_enable+0x8b9/0x12f0
[  399.083812][  T512]  cgroup_apply_control+0x93/0x710
[  399.088903][  T512]  ? css_next_child+0x160/0x160
[  399.093728][  T512]  ? stack_trace_save+0x12d/0x1f0
[  399.098728][  T512]  ? io_schedule+0x120/0x120
[  399.103294][  T512]  ? kernfs_fop_write_iter+0x15e/0x410
[  399.108729][  T512]  ? __kasan_check_write+0x14/0x20
[  399.113816][  T512]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  399.119077][  T512]  cgroup_subtree_control_write+0xd19/0x1310
[  399.125035][  T512]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  399.131009][  T512]  ? __kasan_check_write+0x14/0x20
[  399.136126][  T512]  ? _copy_from_iter+0x3fb/0xd60
[  399.141056][  T512]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  399.147019][  T512]  cgroup_file_write+0x28e/0x590
[  399.151933][  T512]  ? cgroup_seqfile_stop+0xc0/0xc0
[  399.157026][  T512]  ? mutex_lock+0xa6/0x110
[  399.161423][  T512]  ? mutex_trylock+0xb0/0xb0
[  399.166012][  T512]  ? __kasan_check_write+0x14/0x20
[  399.171101][  T512]  kernfs_fop_write_iter+0x2d0/0x410
[  399.176370][  T512]  ? cgroup_seqfile_stop+0xc0/0xc0
[  399.181457][  T512]  vfs_write+0xc1c/0xf40
[  399.185679][  T512]  ? slab_free_freelist_hook+0xcc/0x1a0
[  399.191207][  T512]  ? kernel_write+0x3c0/0x3c0
[  399.195862][  T512]  ? do_sys_openat2+0x397/0x470
[  399.200690][  T512]  ? __kasan_check_read+0x11/0x20
[  399.205708][  T512]  ? __fdget_pos+0x27e/0x310
[  399.210275][  T512]  ksys_write+0x198/0x2c0
[  399.214602][  T512]  ? __ia32_sys_read+0x90/0x90
[  399.219346][  T512]  ? debug_smp_processor_id+0x17/0x20
[  399.224696][  T512]  __x64_sys_write+0x7b/0x90
[  399.229280][  T512]  do_syscall_64+0x34/0x70
[  399.233675][  T512]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  399.239544][  T512] RIP: 0033:0x7efdb4cf77c9
[  399.243937][  T512] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  399.263517][  T512] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  399.271908][  T512] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  399.279910][  T512] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
executing program
[  399.287945][  T512] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  399.295892][  T512] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  399.303841][  T512] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000015
[  399.312057][  T512] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  399.358018][  T524] FAULT_INJECTION: forcing a failure.
[  399.358018][  T524] name failslab, interval 1, probability 0, space 0, times 0
[  399.370698][  T524] CPU: 1 PID: 524 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  399.382317][  T524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  399.392349][  T524] Call Trace:
[  399.395629][  T524]  dump_stack_lvl+0x1e2/0x24b
[  399.400290][  T524]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  399.405729][  T524]  ? selinux_kernfs_init_security+0x1a8/0x760
[  399.411766][  T524]  dump_stack+0x15/0x17
[  399.415894][  T524]  should_fail+0x3c0/0x510
[  399.420291][  T524]  ? __kernfs_new_node+0x99/0x6e0
[  399.425289][  T524]  __should_failslab+0x9f/0xe0
[  399.430026][  T524]  should_failslab+0x9/0x20
[  399.434502][  T524]  __kmalloc_track_caller+0x5f/0x350
[  399.439760][  T524]  kstrdup_const+0x55/0x90
[  399.444149][  T524]  __kernfs_new_node+0x99/0x6e0
[  399.448974][  T524]  ? is_module_text_address+0xe1/0x140
[  399.454406][  T524]  ? kernfs_new_node+0x170/0x170
[  399.459317][  T524]  ? ptr_to_hashval+0x60/0x60
[  399.463967][  T524]  ? snprintf+0xd6/0x120
[  399.468181][  T524]  ? __kasan_check_write+0x14/0x20
[  399.473265][  T524]  ? mutex_unlock+0x1d/0x40
[  399.477745][  T524]  kernfs_new_node+0x97/0x170
[  399.482402][  T524]  __kernfs_create_file+0x4a/0x270
[  399.487490][  T524]  cgroup_addrm_files+0xab8/0xfe0
[  399.492490][  T524]  ? ____kasan_kmalloc+0xdc/0x110
[  399.497490][  T524]  ? __kasan_kmalloc+0x9/0x10
[  399.502141][  T524]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  399.507660][  T524]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  399.513806][  T524]  ? delete_node+0x759/0x7b0
[  399.518374][  T524]  ? __kasan_check_read+0x11/0x20
[  399.523376][  T524]  ? idr_replace+0x1c4/0x230
[  399.527938][  T524]  ? idr_get_next+0x4b0/0x4b0
[  399.532591][  T524]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  399.537613][  T524]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  399.542794][  T524]  css_populate_dir+0x137/0x370
[  399.547651][  T524]  cgroup_apply_control_enable+0x8b9/0x12f0
[  399.553553][  T524]  cgroup_apply_control+0x93/0x710
[  399.558646][  T524]  ? css_next_child+0x160/0x160
[  399.563473][  T524]  ? stack_trace_save+0x12d/0x1f0
[  399.568485][  T524]  ? io_schedule+0x120/0x120
[  399.573055][  T524]  ? kernfs_fop_write_iter+0x15e/0x410
[  399.578492][  T524]  ? __kasan_check_write+0x14/0x20
[  399.583601][  T524]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  399.588863][  T524]  cgroup_subtree_control_write+0xd19/0x1310
[  399.594838][  T524]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  399.600793][  T524]  ? __kasan_check_write+0x14/0x20
[  399.605878][  T524]  ? _copy_from_iter+0x3fb/0xd60
[  399.610802][  T524]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  399.616766][  T524]  cgroup_file_write+0x28e/0x590
[  399.621681][  T524]  ? cgroup_seqfile_stop+0xc0/0xc0
[  399.626769][  T524]  ? mutex_lock+0xa6/0x110
[  399.631161][  T524]  ? mutex_trylock+0xb0/0xb0
[  399.635733][  T524]  ? __kasan_check_write+0x14/0x20
[  399.640820][  T524]  kernfs_fop_write_iter+0x2d0/0x410
[  399.646091][  T524]  ? cgroup_seqfile_stop+0xc0/0xc0
[  399.651182][  T524]  vfs_write+0xc1c/0xf40
[  399.655398][  T524]  ? slab_free_freelist_hook+0xcc/0x1a0
[  399.660920][  T524]  ? kernel_write+0x3c0/0x3c0
[  399.665570][  T524]  ? do_sys_openat2+0x397/0x470
[  399.670395][  T524]  ? __kasan_check_read+0x11/0x20
[  399.675412][  T524]  ? __fdget_pos+0x27e/0x310
[  399.679981][  T524]  ksys_write+0x198/0x2c0
[  399.684285][  T524]  ? __ia32_sys_read+0x90/0x90
[  399.689022][  T524]  ? debug_smp_processor_id+0x17/0x20
[  399.694367][  T524]  __x64_sys_write+0x7b/0x90
[  399.698937][  T524]  do_syscall_64+0x34/0x70
[  399.703340][  T524]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  399.709220][  T524] RIP: 0033:0x7efdb4cf77c9
[  399.713612][  T524] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  399.733279][  T524] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  399.741686][  T524] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  399.749642][  T524] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  399.757585][  T524] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  399.765535][  T524] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  399.773485][  T524] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001a
[  399.781541][  T524] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  399.828075][  T522] FAULT_INJECTION: forcing a failure.
[  399.828075][  T522] name failslab, interval 1, probability 0, space 0, times 0
[  399.840772][  T522] CPU: 1 PID: 522 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  399.852392][  T522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  399.862427][  T522] Call Trace:
[  399.865715][  T522]  dump_stack_lvl+0x1e2/0x24b
[  399.870379][  T522]  ? panic+0x7d7/0x7d7
[  399.874530][  T522]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  399.879967][  T522]  ? selinux_kernfs_init_security+0x1a8/0x760
[  399.886007][  T522]  dump_stack+0x15/0x17
[  399.890137][  T522]  should_fail+0x3c0/0x510
[  399.894528][  T522]  __should_failslab+0x9f/0xe0
[  399.899271][  T522]  should_failslab+0x9/0x20
[  399.903747][  T522]  kmem_cache_alloc+0x3f/0x300
[  399.908523][  T522]  ? __kernfs_new_node+0xdb/0x6e0
[  399.913619][  T522]  __kernfs_new_node+0xdb/0x6e0
[  399.918450][  T522]  ? is_module_text_address+0xe1/0x140
[  399.923881][  T522]  ? kernfs_new_node+0x170/0x170
[  399.928802][  T522]  ? ptr_to_hashval+0x60/0x60
[  399.933464][  T522]  ? arch_stack_walk+0xf8/0x140
[  399.938304][  T522]  ? snprintf+0xd6/0x120
[  399.942519][  T522]  kernfs_new_node+0x97/0x170
[  399.947167][  T522]  __kernfs_create_file+0x4a/0x270
[  399.952249][  T522]  cgroup_addrm_files+0xab8/0xfe0
[  399.957247][  T522]  ? ____kasan_kmalloc+0xdc/0x110
[  399.962244][  T522]  ? __kasan_kmalloc+0x9/0x10
[  399.966927][  T522]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  399.972459][  T522]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  399.978639][  T522]  ? delete_node+0x759/0x7b0
[  399.983208][  T522]  ? __kasan_check_read+0x11/0x20
[  399.988210][  T522]  ? delete_node+0x759/0x7b0
[  399.992777][  T522]  ? __kasan_check_write+0x14/0x20
[  399.997863][  T522]  ? idr_replace+0x1c4/0x230
[  400.002430][  T522]  ? idr_get_next+0x4b0/0x4b0
[  400.007083][  T522]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  400.012085][  T522]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  400.017260][  T522]  css_populate_dir+0x137/0x370
[  400.022087][  T522]  cgroup_apply_control_enable+0x8b9/0x12f0
[  400.027956][  T522]  cgroup_apply_control+0x93/0x710
[  400.033042][  T522]  ? css_next_child+0x160/0x160
[  400.037891][  T522]  ? stack_trace_save+0x12d/0x1f0
[  400.042888][  T522]  ? io_schedule+0x120/0x120
[  400.047453][  T522]  ? kernfs_fop_write_iter+0x15e/0x410
[  400.052901][  T522]  ? __kasan_check_write+0x14/0x20
[  400.057994][  T522]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  400.063261][  T522]  cgroup_subtree_control_write+0xd19/0x1310
[  400.069222][  T522]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  400.075200][  T522]  ? __kasan_check_write+0x14/0x20
[  400.080284][  T522]  ? _copy_from_iter+0x3fb/0xd60
[  400.085194][  T522]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  400.091162][  T522]  cgroup_file_write+0x28e/0x590
[  400.096087][  T522]  ? cgroup_seqfile_stop+0xc0/0xc0
[  400.101188][  T522]  ? mutex_lock+0xa6/0x110
[  400.105584][  T522]  ? mutex_trylock+0xb0/0xb0
[  400.110158][  T522]  ? __kasan_check_write+0x14/0x20
[  400.115262][  T522]  kernfs_fop_write_iter+0x2d0/0x410
[  400.120537][  T522]  ? cgroup_seqfile_stop+0xc0/0xc0
[  400.125635][  T522]  vfs_write+0xc1c/0xf40
[  400.129874][  T522]  ? slab_free_freelist_hook+0xcc/0x1a0
[  400.135405][  T522]  ? kernel_write+0x3c0/0x3c0
[  400.140060][  T522]  ? do_sys_openat2+0x397/0x470
[  400.144891][  T522]  ? __kasan_check_read+0x11/0x20
[  400.149892][  T522]  ? __fdget_pos+0x27e/0x310
[  400.154481][  T522]  ksys_write+0x198/0x2c0
[  400.158797][  T522]  ? __ia32_sys_read+0x90/0x90
[  400.163539][  T522]  ? debug_smp_processor_id+0x17/0x20
[  400.168892][  T522]  __x64_sys_write+0x7b/0x90
[  400.173478][  T522]  do_syscall_64+0x34/0x70
[  400.177874][  T522]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  400.183750][  T522] RIP: 0033:0x7efdb4cf77c9
[  400.188154][  T522] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  400.207737][  T522] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  400.216138][  T522] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  400.224102][  T522] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  400.232064][  T522] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  400.240012][  T522] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  400.247957][  T522] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000017
[  400.256019][  T522] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  400.298276][  T519] FAULT_INJECTION: forcing a failure.
[  400.298276][  T519] name failslab, interval 1, probability 0, space 0, times 0
[  400.311001][  T519] CPU: 0 PID: 519 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  400.322616][  T519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  400.332674][  T519] Call Trace:
[  400.335967][  T519]  dump_stack_lvl+0x1e2/0x24b
[  400.340621][  T519]  ? panic+0x7d7/0x7d7
[  400.344670][  T519]  ? arch_stack_walk+0x106/0x140
[  400.349597][  T519]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  400.355068][  T519]  ? do_syscall_64+0x34/0x70
[  400.359645][  T519]  dump_stack+0x15/0x17
[  400.363900][  T519]  should_fail+0x3c0/0x510
[  400.368326][  T519]  __should_failslab+0x9f/0xe0
[  400.373088][  T519]  should_failslab+0x9/0x20
[  400.377570][  T519]  kmem_cache_alloc+0x3f/0x300
[  400.382312][  T519]  ? __kernfs_new_node+0xdb/0x6e0
[  400.387312][  T519]  __kernfs_new_node+0xdb/0x6e0
[  400.392139][  T519]  ? is_module_text_address+0xe1/0x140
[  400.397570][  T519]  ? kernfs_new_node+0x170/0x170
[  400.402483][  T519]  ? ptr_to_hashval+0x60/0x60
[  400.407130][  T519]  ? arch_stack_walk+0xf8/0x140
[  400.411956][  T519]  ? snprintf+0xd6/0x120
[  400.416173][  T519]  kernfs_new_node+0x97/0x170
[  400.420832][  T519]  __kernfs_create_file+0x4a/0x270
[  400.425928][  T519]  cgroup_addrm_files+0xab8/0xfe0
[  400.430946][  T519]  ? ____kasan_kmalloc+0xdc/0x110
[  400.435941][  T519]  ? __kasan_kmalloc+0x9/0x10
[  400.440592][  T519]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  400.446113][  T519]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  400.452237][  T519]  ? delete_node+0x759/0x7b0
[  400.456801][  T519]  ? __kasan_check_read+0x11/0x20
[  400.461799][  T519]  ? delete_node+0x759/0x7b0
[  400.466363][  T519]  ? __kasan_check_write+0x14/0x20
[  400.471473][  T519]  ? idr_replace+0x1c4/0x230
[  400.476033][  T519]  ? idr_get_next+0x4b0/0x4b0
[  400.480700][  T519]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  400.485697][  T519]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  400.490869][  T519]  css_populate_dir+0x137/0x370
[  400.495691][  T519]  cgroup_apply_control_enable+0x8b9/0x12f0
[  400.501576][  T519]  cgroup_apply_control+0x93/0x710
[  400.506666][  T519]  ? css_next_child+0x160/0x160
[  400.511495][  T519]  ? io_schedule+0x120/0x120
[  400.516061][  T519]  ? kernfs_fop_write_iter+0x15e/0x410
[  400.521497][  T519]  ? __kasan_check_write+0x14/0x20
[  400.526586][  T519]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  400.531868][  T519]  cgroup_subtree_control_write+0xd19/0x1310
[  400.537820][  T519]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  400.543778][  T519]  ? __kasan_check_write+0x14/0x20
[  400.548862][  T519]  ? _copy_from_iter+0x3fb/0xd60
[  400.553775][  T519]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  400.559728][  T519]  cgroup_file_write+0x28e/0x590
[  400.564641][  T519]  ? cgroup_seqfile_stop+0xc0/0xc0
[  400.569729][  T519]  ? mutex_lock+0xa6/0x110
[  400.574121][  T519]  ? mutex_trylock+0xb0/0xb0
[  400.578688][  T519]  ? __kasan_check_write+0x14/0x20
[  400.583775][  T519]  kernfs_fop_write_iter+0x2d0/0x410
[  400.589036][  T519]  ? cgroup_seqfile_stop+0xc0/0xc0
[  400.594117][  T519]  vfs_write+0xc1c/0xf40
[  400.598366][  T519]  ? kernel_write+0x3c0/0x3c0
[  400.603016][  T519]  ? do_sys_openat2+0x397/0x470
[  400.607867][  T519]  ? __kasan_check_read+0x11/0x20
[  400.612869][  T519]  ? __fdget_pos+0x27e/0x310
[  400.617438][  T519]  ksys_write+0x198/0x2c0
[  400.621756][  T519]  ? __ia32_sys_read+0x90/0x90
[  400.626513][  T519]  ? debug_smp_processor_id+0x17/0x20
[  400.631859][  T519]  __x64_sys_write+0x7b/0x90
[  400.636425][  T519]  do_syscall_64+0x34/0x70
[  400.640818][  T519]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  400.646689][  T519] RIP: 0033:0x7efdb4cf77c9
[  400.651077][  T519] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  400.670658][  T519] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  400.679044][  T519] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  400.686989][  T519] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
executing program
[  400.694937][  T519] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  400.702887][  T519] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  400.710834][  T519] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000016
[  400.718952][  T519] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  400.748061][  T523] FAULT_INJECTION: forcing a failure.
[  400.748061][  T523] name failslab, interval 1, probability 0, space 0, times 0
[  400.760696][  T523] CPU: 1 PID: 523 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  400.772483][  T523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  400.782518][  T523] Call Trace:
[  400.785805][  T523]  dump_stack_lvl+0x1e2/0x24b
[  400.790467][  T523]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  400.795901][  T523]  ? selinux_kernfs_init_security+0x1a8/0x760
[  400.801938][  T523]  dump_stack+0x15/0x17
[  400.806081][  T523]  should_fail+0x3c0/0x510
[  400.810482][  T523]  ? __kernfs_new_node+0x99/0x6e0
[  400.815568][  T523]  __should_failslab+0x9f/0xe0
[  400.820351][  T523]  should_failslab+0x9/0x20
[  400.824828][  T523]  __kmalloc_track_caller+0x5f/0x350
[  400.830089][  T523]  kstrdup_const+0x55/0x90
[  400.834477][  T523]  __kernfs_new_node+0x99/0x6e0
[  400.839303][  T523]  ? is_module_text_address+0xe1/0x140
[  400.844741][  T523]  ? kernfs_new_node+0x170/0x170
[  400.849676][  T523]  ? ptr_to_hashval+0x60/0x60
[  400.854333][  T523]  ? snprintf+0xd6/0x120
[  400.858550][  T523]  ? __kasan_check_write+0x14/0x20
[  400.863635][  T523]  ? mutex_unlock+0x1d/0x40
[  400.868110][  T523]  kernfs_new_node+0x97/0x170
[  400.872759][  T523]  __kernfs_create_file+0x4a/0x270
[  400.877846][  T523]  cgroup_addrm_files+0xab8/0xfe0
[  400.882843][  T523]  ? ____kasan_kmalloc+0xdc/0x110
[  400.887839][  T523]  ? __kasan_kmalloc+0x9/0x10
[  400.892491][  T523]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  400.898008][  T523]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  400.904144][  T523]  ? delete_node+0x759/0x7b0
[  400.908707][  T523]  ? __kasan_check_read+0x11/0x20
[  400.913705][  T523]  ? idr_replace+0x1c4/0x230
[  400.918277][  T523]  ? idr_get_next+0x4b0/0x4b0
[  400.922940][  T523]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  400.927947][  T523]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  400.933133][  T523]  css_populate_dir+0x137/0x370
[  400.937966][  T523]  cgroup_apply_control_enable+0x8b9/0x12f0
[  400.943842][  T523]  cgroup_apply_control+0x93/0x710
[  400.948931][  T523]  ? css_next_child+0x160/0x160
[  400.953776][  T523]  ? stack_trace_save+0x12d/0x1f0
[  400.958793][  T523]  ? io_schedule+0x120/0x120
[  400.963364][  T523]  ? kernfs_fop_write_iter+0x15e/0x410
[  400.968806][  T523]  ? __kasan_check_write+0x14/0x20
[  400.973895][  T523]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  400.979177][  T523]  cgroup_subtree_control_write+0xd19/0x1310
[  400.985140][  T523]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  400.991095][  T523]  ? __kasan_check_write+0x14/0x20
[  400.996178][  T523]  ? _copy_from_iter+0x3fb/0xd60
[  401.001094][  T523]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  401.007048][  T523]  cgroup_file_write+0x28e/0x590
[  401.011961][  T523]  ? cgroup_seqfile_stop+0xc0/0xc0
[  401.017051][  T523]  ? mutex_lock+0xa6/0x110
[  401.021460][  T523]  ? mutex_trylock+0xb0/0xb0
[  401.026033][  T523]  ? __kasan_check_write+0x14/0x20
[  401.031128][  T523]  kernfs_fop_write_iter+0x2d0/0x410
[  401.036388][  T523]  ? cgroup_seqfile_stop+0xc0/0xc0
[  401.041509][  T523]  vfs_write+0xc1c/0xf40
[  401.045742][  T523]  ? slab_free_freelist_hook+0xcc/0x1a0
[  401.051448][  T523]  ? kernel_write+0x3c0/0x3c0
[  401.056230][  T523]  ? do_sys_openat2+0x397/0x470
[  401.061070][  T523]  ? __kasan_check_read+0x11/0x20
[  401.066077][  T523]  ? __fdget_pos+0x27e/0x310
[  401.070653][  T523]  ksys_write+0x198/0x2c0
[  401.074962][  T523]  ? __ia32_sys_read+0x90/0x90
[  401.079705][  T523]  ? debug_smp_processor_id+0x17/0x20
[  401.085061][  T523]  __x64_sys_write+0x7b/0x90
[  401.089635][  T523]  do_syscall_64+0x34/0x70
[  401.094037][  T523]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  401.099918][  T523] RIP: 0033:0x7efdb4cf77c9
[  401.104319][  T523] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  401.124020][  T523] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  401.132420][  T523] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  401.140372][  T523] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  401.148322][  T523] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  401.156275][  T523] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  401.164222][  T523] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000019
[  401.172280][  T523] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  401.218226][  T528] FAULT_INJECTION: forcing a failure.
[  401.218226][  T528] name failslab, interval 1, probability 0, space 0, times 0
[  401.230843][  T528] CPU: 1 PID: 528 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  401.242441][  T528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  401.252499][  T528] Call Trace:
[  401.255785][  T528]  dump_stack_lvl+0x1e2/0x24b
[  401.260453][  T528]  ? panic+0x7d7/0x7d7
[  401.264499][  T528]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  401.269937][  T528]  ? selinux_kernfs_init_security+0x1a8/0x760
[  401.275983][  T528]  dump_stack+0x15/0x17
[  401.280113][  T528]  should_fail+0x3c0/0x510
[  401.284509][  T528]  __should_failslab+0x9f/0xe0
[  401.289249][  T528]  should_failslab+0x9/0x20
[  401.293728][  T528]  kmem_cache_alloc+0x3f/0x300
[  401.298480][  T528]  ? __kernfs_new_node+0xdb/0x6e0
[  401.303484][  T528]  __kernfs_new_node+0xdb/0x6e0
[  401.308315][  T528]  ? is_module_text_address+0xe1/0x140
[  401.313748][  T528]  ? kernfs_new_node+0x170/0x170
[  401.318659][  T528]  ? ptr_to_hashval+0x60/0x60
[  401.323310][  T528]  ? arch_stack_walk+0xf8/0x140
[  401.328136][  T528]  ? snprintf+0xd6/0x120
[  401.332361][  T528]  kernfs_new_node+0x97/0x170
[  401.337012][  T528]  __kernfs_create_file+0x4a/0x270
[  401.342114][  T528]  cgroup_addrm_files+0xab8/0xfe0
[  401.347112][  T528]  ? ____kasan_kmalloc+0xdc/0x110
[  401.352125][  T528]  ? __kasan_kmalloc+0x9/0x10
[  401.356777][  T528]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  401.362300][  T528]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  401.368428][  T528]  ? delete_node+0x759/0x7b0
[  401.372994][  T528]  ? __kasan_check_read+0x11/0x20
[  401.377992][  T528]  ? delete_node+0x759/0x7b0
[  401.382555][  T528]  ? __kasan_check_write+0x14/0x20
[  401.387643][  T528]  ? idr_replace+0x1c4/0x230
[  401.392210][  T528]  ? idr_get_next+0x4b0/0x4b0
[  401.396859][  T528]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  401.401870][  T528]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  401.407059][  T528]  css_populate_dir+0x137/0x370
[  401.411885][  T528]  cgroup_apply_control_enable+0x8b9/0x12f0
[  401.417758][  T528]  cgroup_apply_control+0x93/0x710
[  401.422864][  T528]  ? css_next_child+0x160/0x160
[  401.427699][  T528]  ? stack_trace_save+0x12d/0x1f0
[  401.432694][  T528]  ? io_schedule+0x120/0x120
[  401.437273][  T528]  ? kernfs_fop_write_iter+0x15e/0x410
[  401.442714][  T528]  ? __kasan_check_write+0x14/0x20
[  401.447804][  T528]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  401.453062][  T528]  cgroup_subtree_control_write+0xd19/0x1310
[  401.459027][  T528]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  401.464987][  T528]  ? __kasan_check_write+0x14/0x20
[  401.470149][  T528]  ? _copy_from_iter+0x3fb/0xd60
[  401.475163][  T528]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  401.481128][  T528]  cgroup_file_write+0x28e/0x590
[  401.486043][  T528]  ? cgroup_seqfile_stop+0xc0/0xc0
[  401.491217][  T528]  ? mutex_lock+0xa6/0x110
[  401.495664][  T528]  ? mutex_trylock+0xb0/0xb0
[  401.500243][  T528]  ? __kasan_check_write+0x14/0x20
[  401.505470][  T528]  kernfs_fop_write_iter+0x2d0/0x410
[  401.510737][  T528]  ? cgroup_seqfile_stop+0xc0/0xc0
[  401.515825][  T528]  vfs_write+0xc1c/0xf40
[  401.520066][  T528]  ? slab_free_freelist_hook+0xcc/0x1a0
[  401.525604][  T528]  ? kernel_write+0x3c0/0x3c0
[  401.530262][  T528]  ? do_sys_openat2+0x397/0x470
[  401.535088][  T528]  ? __kasan_check_read+0x11/0x20
[  401.540100][  T528]  ? __fdget_pos+0x27e/0x310
[  401.544725][  T528]  ksys_write+0x198/0x2c0
[  401.549079][  T528]  ? __ia32_sys_read+0x90/0x90
[  401.553827][  T528]  ? debug_smp_processor_id+0x17/0x20
[  401.559182][  T528]  __x64_sys_write+0x7b/0x90
[  401.563750][  T528]  do_syscall_64+0x34/0x70
[  401.568145][  T528]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  401.574017][  T528] RIP: 0033:0x7efdb4cf77c9
[  401.578423][  T528] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  401.598098][  T528] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  401.606499][  T528] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  401.614453][  T528] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  401.622411][  T528] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  401.630362][  T528] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  401.638314][  T528] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000016
[  401.646425][  T528] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  401.678008][  T529] FAULT_INJECTION: forcing a failure.
[  401.678008][  T529] name failslab, interval 1, probability 0, space 0, times 0
[  401.690676][  T529] CPU: 0 PID: 529 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  401.702285][  T529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  401.712343][  T529] Call Trace:
[  401.715619][  T529]  dump_stack_lvl+0x1e2/0x24b
[  401.720284][  T529]  ? panic+0x7d7/0x7d7
[  401.724443][  T529]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  401.729874][  T529]  ? selinux_kernfs_init_security+0x1a8/0x760
[  401.735914][  T529]  dump_stack+0x15/0x17
[  401.740043][  T529]  should_fail+0x3c0/0x510
[  401.744436][  T529]  __should_failslab+0x9f/0xe0
[  401.749170][  T529]  should_failslab+0x9/0x20
[  401.753654][  T529]  kmem_cache_alloc+0x3f/0x300
[  401.758404][  T529]  ? __kernfs_new_node+0xdb/0x6e0
[  401.763406][  T529]  __kernfs_new_node+0xdb/0x6e0
[  401.768234][  T529]  ? is_module_text_address+0xe1/0x140
[  401.773666][  T529]  ? kernfs_new_node+0x170/0x170
[  401.778577][  T529]  ? ptr_to_hashval+0x60/0x60
[  401.783227][  T529]  ? arch_stack_walk+0xf8/0x140
[  401.788060][  T529]  ? snprintf+0xd6/0x120
[  401.792285][  T529]  kernfs_new_node+0x97/0x170
[  401.796934][  T529]  __kernfs_create_file+0x4a/0x270
[  401.802017][  T529]  cgroup_addrm_files+0xab8/0xfe0
[  401.807011][  T529]  ? ____kasan_kmalloc+0xdc/0x110
[  401.812007][  T529]  ? __kasan_kmalloc+0x9/0x10
[  401.816659][  T529]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  401.822202][  T529]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  401.828340][  T529]  ? delete_node+0x759/0x7b0
[  401.832906][  T529]  ? __kasan_check_read+0x11/0x20
[  401.837901][  T529]  ? delete_node+0x759/0x7b0
[  401.842470][  T529]  ? __kasan_check_write+0x14/0x20
[  401.847565][  T529]  ? idr_replace+0x1c4/0x230
[  401.852159][  T529]  ? idr_get_next+0x4b0/0x4b0
[  401.856829][  T529]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  401.861831][  T529]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  401.867003][  T529]  css_populate_dir+0x137/0x370
[  401.871829][  T529]  cgroup_apply_control_enable+0x8b9/0x12f0
[  401.877698][  T529]  cgroup_apply_control+0x93/0x710
[  401.882799][  T529]  ? css_next_child+0x160/0x160
[  401.887737][  T529]  ? stack_trace_save+0x12d/0x1f0
[  401.892753][  T529]  ? io_schedule+0x120/0x120
[  401.897330][  T529]  ? kernfs_fop_write_iter+0x15e/0x410
[  401.902771][  T529]  ? __kasan_check_write+0x14/0x20
[  401.907863][  T529]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  401.913129][  T529]  cgroup_subtree_control_write+0xd19/0x1310
[  401.919099][  T529]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  401.925056][  T529]  ? __kasan_check_write+0x14/0x20
[  401.930150][  T529]  ? _copy_from_iter+0x3fb/0xd60
[  401.935062][  T529]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  401.941019][  T529]  cgroup_file_write+0x28e/0x590
[  401.945932][  T529]  ? cgroup_seqfile_stop+0xc0/0xc0
[  401.951042][  T529]  ? mutex_lock+0xa6/0x110
[  401.955439][  T529]  ? mutex_trylock+0xb0/0xb0
[  401.960017][  T529]  ? __kasan_check_write+0x14/0x20
[  401.965113][  T529]  kernfs_fop_write_iter+0x2d0/0x410
[  401.970382][  T529]  ? cgroup_seqfile_stop+0xc0/0xc0
[  401.975471][  T529]  vfs_write+0xc1c/0xf40
[  401.979694][  T529]  ? slab_free_freelist_hook+0xcc/0x1a0
[  401.985218][  T529]  ? kernel_write+0x3c0/0x3c0
[  401.989872][  T529]  ? do_sys_openat2+0x397/0x470
[  401.994699][  T529]  ? __kasan_check_read+0x11/0x20
[  401.999700][  T529]  ? __fdget_pos+0x27e/0x310
[  402.004413][  T529]  ksys_write+0x198/0x2c0
[  402.008731][  T529]  ? __ia32_sys_read+0x90/0x90
[  402.013509][  T529]  ? debug_smp_processor_id+0x17/0x20
[  402.018895][  T529]  __x64_sys_write+0x7b/0x90
[  402.023482][  T529]  do_syscall_64+0x34/0x70
[  402.027896][  T529]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  402.033923][  T529] RIP: 0033:0x7efdb4cf77c9
[  402.038318][  T529] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  402.057994][  T529] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  402.066386][  T529] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  402.074386][  T529] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  402.082439][  T529] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  402.090481][  T529] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  402.098447][  T529] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001b
[  402.106637][  T529] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  402.148086][  T530] FAULT_INJECTION: forcing a failure.
[  402.148086][  T530] name failslab, interval 1, probability 0, space 0, times 0
[  402.160913][  T530] CPU: 1 PID: 530 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  402.172528][  T530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  402.182569][  T530] Call Trace:
[  402.185855][  T530]  dump_stack_lvl+0x1e2/0x24b
[  402.190508][  T530]  ? panic+0x7d7/0x7d7
[  402.194550][  T530]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  402.199981][  T530]  ? selinux_kernfs_init_security+0x1a8/0x760
[  402.206024][  T530]  dump_stack+0x15/0x17
[  402.210161][  T530]  should_fail+0x3c0/0x510
[  402.214555][  T530]  __should_failslab+0x9f/0xe0
[  402.219310][  T530]  should_failslab+0x9/0x20
[  402.223794][  T530]  kmem_cache_alloc+0x3f/0x300
[  402.228533][  T530]  ? __kernfs_new_node+0xdb/0x6e0
[  402.233534][  T530]  __kernfs_new_node+0xdb/0x6e0
[  402.238374][  T530]  ? is_module_text_address+0xe1/0x140
[  402.244412][  T530]  ? kernfs_new_node+0x170/0x170
[  402.249325][  T530]  ? ptr_to_hashval+0x60/0x60
[  402.253974][  T530]  ? arch_stack_walk+0xf8/0x140
[  402.258802][  T530]  ? snprintf+0xd6/0x120
[  402.263020][  T530]  kernfs_new_node+0x97/0x170
[  402.267684][  T530]  __kernfs_create_file+0x4a/0x270
[  402.272768][  T530]  cgroup_addrm_files+0xab8/0xfe0
[  402.277770][  T530]  ? ____kasan_kmalloc+0xdc/0x110
[  402.282772][  T530]  ? __kasan_kmalloc+0x9/0x10
[  402.287430][  T530]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  402.292950][  T530]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  402.299080][  T530]  ? delete_node+0x759/0x7b0
[  402.303647][  T530]  ? __kasan_check_read+0x11/0x20
[  402.308647][  T530]  ? delete_node+0x759/0x7b0
[  402.313217][  T530]  ? __kasan_check_write+0x14/0x20
[  402.318303][  T530]  ? idr_replace+0x1c4/0x230
[  402.322866][  T530]  ? idr_get_next+0x4b0/0x4b0
[  402.327517][  T530]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  402.332533][  T530]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  402.337725][  T530]  css_populate_dir+0x137/0x370
[  402.342556][  T530]  cgroup_apply_control_enable+0x8b9/0x12f0
[  402.348433][  T530]  cgroup_apply_control+0x93/0x710
[  402.353527][  T530]  ? css_next_child+0x160/0x160
[  402.358349][  T530]  ? stack_trace_save+0x12d/0x1f0
[  402.363363][  T530]  ? io_schedule+0x120/0x120
[  402.367924][  T530]  ? kernfs_fop_write_iter+0x15e/0x410
[  402.373355][  T530]  ? __kasan_check_write+0x14/0x20
[  402.378440][  T530]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  402.383715][  T530]  cgroup_subtree_control_write+0xd19/0x1310
[  402.389670][  T530]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  402.395626][  T530]  ? __kasan_check_write+0x14/0x20
[  402.400725][  T530]  ? _copy_from_iter+0x3fb/0xd60
[  402.405635][  T530]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  402.411588][  T530]  cgroup_file_write+0x28e/0x590
[  402.416499][  T530]  ? cgroup_seqfile_stop+0xc0/0xc0
[  402.421585][  T530]  ? mutex_lock+0xa6/0x110
[  402.425974][  T530]  ? mutex_trylock+0xb0/0xb0
[  402.430539][  T530]  ? __kasan_check_write+0x14/0x20
[  402.435626][  T530]  kernfs_fop_write_iter+0x2d0/0x410
[  402.440890][  T530]  ? cgroup_seqfile_stop+0xc0/0xc0
[  402.445974][  T530]  vfs_write+0xc1c/0xf40
[  402.450197][  T530]  ? slab_free_freelist_hook+0xcc/0x1a0
[  402.455714][  T530]  ? kernel_write+0x3c0/0x3c0
[  402.460407][  T530]  ? do_sys_openat2+0x397/0x470
[  402.465323][  T530]  ? __kasan_check_read+0x11/0x20
[  402.470322][  T530]  ? __fdget_pos+0x27e/0x310
[  402.474886][  T530]  ksys_write+0x198/0x2c0
[  402.479193][  T530]  ? __ia32_sys_read+0x90/0x90
[  402.483932][  T530]  ? debug_smp_processor_id+0x17/0x20
[  402.489279][  T530]  __x64_sys_write+0x7b/0x90
[  402.493857][  T530]  do_syscall_64+0x34/0x70
[  402.498252][  T530]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  402.504125][  T530] RIP: 0033:0x7efdb4cf77c9
[  402.508513][  T530] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  402.528110][  T530] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  402.536501][  T530] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  402.544458][  T530] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  402.552406][  T530] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  402.560350][  T530] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  402.568304][  T530] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000018
[  402.576700][  T530] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  402.608285][  T535] FAULT_INJECTION: forcing a failure.
[  402.608285][  T535] name failslab, interval 1, probability 0, space 0, times 0
[  402.620996][  T535] CPU: 1 PID: 535 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  402.632594][  T535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  402.642633][  T535] Call Trace:
[  402.645930][  T535]  dump_stack_lvl+0x1e2/0x24b
[  402.650610][  T535]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  402.656059][  T535]  ? selinux_kernfs_init_security+0x1a8/0x760
[  402.662097][  T535]  dump_stack+0x15/0x17
[  402.666225][  T535]  should_fail+0x3c0/0x510
[  402.670619][  T535]  ? __kernfs_new_node+0x99/0x6e0
[  402.675616][  T535]  __should_failslab+0x9f/0xe0
[  402.680360][  T535]  should_failslab+0x9/0x20
[  402.684846][  T535]  __kmalloc_track_caller+0x5f/0x350
[  402.690134][  T535]  kstrdup_const+0x55/0x90
[  402.694536][  T535]  __kernfs_new_node+0x99/0x6e0
[  402.699368][  T535]  ? is_module_text_address+0xe1/0x140
[  402.704874][  T535]  ? kernfs_new_node+0x170/0x170
[  402.709896][  T535]  ? ptr_to_hashval+0x60/0x60
[  402.714554][  T535]  ? snprintf+0xd6/0x120
[  402.718779][  T535]  ? __kasan_check_write+0x14/0x20
[  402.723869][  T535]  ? mutex_unlock+0x1d/0x40
[  402.728348][  T535]  kernfs_new_node+0x97/0x170
[  402.733024][  T535]  __kernfs_create_file+0x4a/0x270
[  402.738118][  T535]  cgroup_addrm_files+0xab8/0xfe0
[  402.743118][  T535]  ? ____kasan_kmalloc+0xdc/0x110
[  402.748198][  T535]  ? __kasan_kmalloc+0x9/0x10
[  402.752863][  T535]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  402.758382][  T535]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  402.764524][  T535]  ? delete_node+0x759/0x7b0
[  402.769097][  T535]  ? __kasan_check_read+0x11/0x20
[  402.774277][  T535]  ? idr_replace+0x1c4/0x230
[  402.778849][  T535]  ? idr_get_next+0x4b0/0x4b0
[  402.783524][  T535]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  402.788529][  T535]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  402.793705][  T535]  css_populate_dir+0x137/0x370
[  402.798634][  T535]  cgroup_apply_control_enable+0x8b9/0x12f0
[  402.804501][  T535]  cgroup_apply_control+0x93/0x710
[  402.809590][  T535]  ? css_next_child+0x160/0x160
[  402.814417][  T535]  ? stack_trace_save+0x12d/0x1f0
[  402.819417][  T535]  ? io_schedule+0x120/0x120
[  402.823986][  T535]  ? kernfs_fop_write_iter+0x15e/0x410
[  402.829429][  T535]  ? __kasan_check_write+0x14/0x20
[  402.834535][  T535]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  402.839817][  T535]  cgroup_subtree_control_write+0xd19/0x1310
[  402.845774][  T535]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  402.851743][  T535]  ? __kasan_check_write+0x14/0x20
[  402.856838][  T535]  ? _copy_from_iter+0x3fb/0xd60
[  402.861762][  T535]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  402.867727][  T535]  cgroup_file_write+0x28e/0x590
[  402.872649][  T535]  ? cgroup_seqfile_stop+0xc0/0xc0
[  402.877737][  T535]  ? mutex_lock+0xa6/0x110
[  402.882135][  T535]  ? mutex_trylock+0xb0/0xb0
[  402.886705][  T535]  ? __kasan_check_write+0x14/0x20
[  402.891805][  T535]  kernfs_fop_write_iter+0x2d0/0x410
[  402.897072][  T535]  ? cgroup_seqfile_stop+0xc0/0xc0
[  402.902159][  T535]  vfs_write+0xc1c/0xf40
[  402.906373][  T535]  ? slab_free_freelist_hook+0xcc/0x1a0
[  402.911892][  T535]  ? kernel_write+0x3c0/0x3c0
[  402.916541][  T535]  ? do_sys_openat2+0x397/0x470
[  402.921464][  T535]  ? __kasan_check_read+0x11/0x20
[  402.926462][  T535]  ? __fdget_pos+0x27e/0x310
[  402.931114][  T535]  ksys_write+0x198/0x2c0
[  402.935416][  T535]  ? __ia32_sys_read+0x90/0x90
[  402.940177][  T535]  ? debug_smp_processor_id+0x17/0x20
[  402.945523][  T535]  __x64_sys_write+0x7b/0x90
[  402.950086][  T535]  do_syscall_64+0x34/0x70
[  402.954478][  T535]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  402.960342][  T535] RIP: 0033:0x7efdb4cf77c9
[  402.964728][  T535] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  402.984312][  T535] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  402.992702][  T535] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  403.000650][  T535] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  403.008597][  T535] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  403.016544][  T535] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  403.024496][  T535] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000019
[  403.032560][  T535] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  403.068202][  T536] FAULT_INJECTION: forcing a failure.
[  403.068202][  T536] name failslab, interval 1, probability 0, space 0, times 0
[  403.080934][  T536] CPU: 1 PID: 536 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  403.092543][  T536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  403.103375][  T536] Call Trace:
[  403.106682][  T536]  dump_stack_lvl+0x1e2/0x24b
[  403.111334][  T536]  ? panic+0x7d7/0x7d7
[  403.115417][  T536]  ? arch_stack_walk+0x106/0x140
[  403.120332][  T536]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  403.125773][  T536]  ? do_syscall_64+0x34/0x70
[  403.130341][  T536]  dump_stack+0x15/0x17
[  403.134472][  T536]  should_fail+0x3c0/0x510
[  403.138863][  T536]  __should_failslab+0x9f/0xe0
[  403.143614][  T536]  should_failslab+0x9/0x20
[  403.148097][  T536]  kmem_cache_alloc+0x3f/0x300
[  403.152843][  T536]  ? __kernfs_new_node+0xdb/0x6e0
[  403.157852][  T536]  __kernfs_new_node+0xdb/0x6e0
[  403.162705][  T536]  ? is_module_text_address+0xe1/0x140
[  403.168287][  T536]  ? kernfs_new_node+0x170/0x170
[  403.173224][  T536]  ? ptr_to_hashval+0x60/0x60
[  403.177881][  T536]  ? arch_stack_walk+0xf8/0x140
[  403.182710][  T536]  ? snprintf+0xd6/0x120
[  403.186938][  T536]  kernfs_new_node+0x97/0x170
[  403.191608][  T536]  __kernfs_create_file+0x4a/0x270
[  403.196710][  T536]  cgroup_addrm_files+0xab8/0xfe0
[  403.201727][  T536]  ? ____kasan_kmalloc+0xdc/0x110
[  403.206739][  T536]  ? __kasan_kmalloc+0x9/0x10
[  403.211392][  T536]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  403.217045][  T536]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  403.223191][  T536]  ? delete_node+0x759/0x7b0
[  403.227776][  T536]  ? __kasan_check_read+0x11/0x20
[  403.232790][  T536]  ? delete_node+0x759/0x7b0
[  403.237360][  T536]  ? __kasan_check_write+0x14/0x20
[  403.242449][  T536]  ? idr_replace+0x1c4/0x230
[  403.247020][  T536]  ? idr_get_next+0x4b0/0x4b0
[  403.251672][  T536]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  403.256672][  T536]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  403.261844][  T536]  css_populate_dir+0x137/0x370
[  403.266666][  T536]  cgroup_apply_control_enable+0x8b9/0x12f0
[  403.272534][  T536]  cgroup_apply_control+0x93/0x710
[  403.277623][  T536]  ? css_next_child+0x160/0x160
[  403.282567][  T536]  ? stack_trace_save+0x12d/0x1f0
[  403.287575][  T536]  ? io_schedule+0x120/0x120
[  403.292155][  T536]  ? kernfs_fop_write_iter+0x15e/0x410
[  403.297589][  T536]  ? __kasan_check_write+0x14/0x20
[  403.302678][  T536]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  403.307936][  T536]  cgroup_subtree_control_write+0xd19/0x1310
[  403.313890][  T536]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  403.319851][  T536]  ? __kasan_check_write+0x14/0x20
[  403.324933][  T536]  ? _copy_from_iter+0x3fb/0xd60
[  403.329846][  T536]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  403.335817][  T536]  cgroup_file_write+0x28e/0x590
[  403.340729][  T536]  ? cgroup_seqfile_stop+0xc0/0xc0
[  403.345813][  T536]  ? mutex_lock+0xa6/0x110
[  403.350212][  T536]  ? mutex_trylock+0xb0/0xb0
[  403.354788][  T536]  ? __kasan_check_write+0x14/0x20
[  403.359882][  T536]  kernfs_fop_write_iter+0x2d0/0x410
[  403.365155][  T536]  ? cgroup_seqfile_stop+0xc0/0xc0
[  403.370244][  T536]  vfs_write+0xc1c/0xf40
[  403.374468][  T536]  ? slab_free_freelist_hook+0xcc/0x1a0
[  403.380010][  T536]  ? kernel_write+0x3c0/0x3c0
[  403.384662][  T536]  ? do_sys_openat2+0x397/0x470
[  403.389487][  T536]  ? __kasan_check_read+0x11/0x20
[  403.394485][  T536]  ? __fdget_pos+0x27e/0x310
[  403.399053][  T536]  ksys_write+0x198/0x2c0
[  403.403478][  T536]  ? __ia32_sys_read+0x90/0x90
[  403.408218][  T536]  ? debug_smp_processor_id+0x17/0x20
[  403.413566][  T536]  __x64_sys_write+0x7b/0x90
[  403.418133][  T536]  do_syscall_64+0x34/0x70
[  403.422525][  T536]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  403.428501][  T536] RIP: 0033:0x7efdb4cf77c9
[  403.432910][  T536] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  403.452504][  T536] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  403.461013][  T536] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  403.468972][  T536] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  403.476942][  T536] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  403.484891][  T536] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  403.492857][  T536] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001a
[  403.502547][  T536] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  403.568060][  T527] FAULT_INJECTION: forcing a failure.
[  403.568060][  T527] name failslab, interval 1, probability 0, space 0, times 0
[  403.580793][  T527] CPU: 1 PID: 527 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  403.592405][  T527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  403.602434][  T527] Call Trace:
[  403.605701][  T527]  dump_stack_lvl+0x1e2/0x24b
[  403.610353][  T527]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  403.615786][  T527]  ? selinux_kernfs_init_security+0x1a8/0x760
[  403.621826][  T527]  dump_stack+0x15/0x17
[  403.625958][  T527]  should_fail+0x3c0/0x510
[  403.630358][  T527]  ? __kernfs_new_node+0x99/0x6e0
[  403.635365][  T527]  __should_failslab+0x9f/0xe0
[  403.640117][  T527]  should_failslab+0x9/0x20
[  403.644593][  T527]  __kmalloc_track_caller+0x5f/0x350
[  403.649851][  T527]  kstrdup_const+0x55/0x90
[  403.654250][  T527]  __kernfs_new_node+0x99/0x6e0
[  403.659095][  T527]  ? is_module_text_address+0xe1/0x140
[  403.664534][  T527]  ? kernfs_new_node+0x170/0x170
[  403.669448][  T527]  ? ptr_to_hashval+0x60/0x60
[  403.674098][  T527]  ? snprintf+0xd6/0x120
[  403.678316][  T527]  ? __kasan_check_write+0x14/0x20
[  403.683488][  T527]  ? mutex_unlock+0x1d/0x40
[  403.687968][  T527]  kernfs_new_node+0x97/0x170
[  403.692621][  T527]  __kernfs_create_file+0x4a/0x270
[  403.697832][  T527]  cgroup_addrm_files+0xab8/0xfe0
[  403.702831][  T527]  ? ____kasan_kmalloc+0xdc/0x110
[  403.707830][  T527]  ? __kasan_kmalloc+0x9/0x10
[  403.712481][  T527]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  403.718002][  T527]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  403.724133][  T527]  ? delete_node+0x759/0x7b0
[  403.728792][  T527]  ? __kasan_check_read+0x11/0x20
[  403.733794][  T527]  ? idr_replace+0x1c4/0x230
[  403.738359][  T527]  ? idr_get_next+0x4b0/0x4b0
[  403.743013][  T527]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  403.748016][  T527]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  403.753239][  T527]  css_populate_dir+0x137/0x370
[  403.758067][  T527]  cgroup_apply_control_enable+0x8b9/0x12f0
[  403.763932][  T527]  cgroup_apply_control+0x93/0x710
[  403.769015][  T527]  ? css_next_child+0x160/0x160
[  403.773837][  T527]  ? stack_trace_save+0x12d/0x1f0
[  403.778837][  T527]  ? io_schedule+0x120/0x120
[  403.783403][  T527]  ? kernfs_fop_write_iter+0x15e/0x410
[  403.788834][  T527]  ? __kasan_check_write+0x14/0x20
[  403.793918][  T527]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  403.799177][  T527]  cgroup_subtree_control_write+0xd19/0x1310
[  403.805129][  T527]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  403.811083][  T527]  ? __kasan_check_write+0x14/0x20
[  403.816167][  T527]  ? _copy_from_iter+0x3fb/0xd60
[  403.821081][  T527]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  403.827035][  T527]  cgroup_file_write+0x28e/0x590
[  403.831946][  T527]  ? cgroup_seqfile_stop+0xc0/0xc0
[  403.837029][  T527]  ? mutex_lock+0xa6/0x110
[  403.841419][  T527]  ? mutex_trylock+0xb0/0xb0
[  403.846005][  T527]  ? __kasan_check_write+0x14/0x20
[  403.851097][  T527]  kernfs_fop_write_iter+0x2d0/0x410
[  403.856361][  T527]  ? cgroup_seqfile_stop+0xc0/0xc0
[  403.861454][  T527]  vfs_write+0xc1c/0xf40
[  403.865682][  T527]  ? slab_free_freelist_hook+0xcc/0x1a0
[  403.871318][  T527]  ? kernel_write+0x3c0/0x3c0
[  403.875970][  T527]  ? do_sys_openat2+0x397/0x470
[  403.880794][  T527]  ? __kasan_check_read+0x11/0x20
[  403.885792][  T527]  ? __fdget_pos+0x27e/0x310
[  403.890362][  T527]  ksys_write+0x198/0x2c0
[  403.894681][  T527]  ? __ia32_sys_read+0x90/0x90
[  403.899421][  T527]  ? debug_smp_processor_id+0x17/0x20
[  403.904766][  T527]  __x64_sys_write+0x7b/0x90
[  403.909346][  T527]  do_syscall_64+0x34/0x70
[  403.913743][  T527]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  403.919615][  T527] RIP: 0033:0x7efdb4cf77c9
[  403.924013][  T527] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  403.943693][  T527] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  403.952082][  T527] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  403.960032][  T527] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
executing program
[  403.967979][  T527] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  403.975940][  T527] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  403.983883][  T527] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001a
[  403.992977][  T527] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  404.038108][  T531] FAULT_INJECTION: forcing a failure.
[  404.038108][  T531] name failslab, interval 1, probability 0, space 0, times 0
[  404.050728][  T531] CPU: 1 PID: 531 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  404.062339][  T531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  404.072460][  T531] Call Trace:
[  404.075733][  T531]  dump_stack_lvl+0x1e2/0x24b
[  404.080384][  T531]  ? panic+0x7d7/0x7d7
[  404.084430][  T531]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  404.089867][  T531]  ? selinux_kernfs_init_security+0x1a8/0x760
[  404.095909][  T531]  dump_stack+0x15/0x17
[  404.100044][  T531]  should_fail+0x3c0/0x510
[  404.104435][  T531]  __should_failslab+0x9f/0xe0
[  404.109173][  T531]  should_failslab+0x9/0x20
[  404.113653][  T531]  kmem_cache_alloc+0x3f/0x300
[  404.118389][  T531]  ? __kernfs_new_node+0xdb/0x6e0
[  404.123408][  T531]  __kernfs_new_node+0xdb/0x6e0
[  404.128254][  T531]  ? is_module_text_address+0xe1/0x140
[  404.133692][  T531]  ? kernfs_new_node+0x170/0x170
[  404.139354][  T531]  ? ptr_to_hashval+0x60/0x60
[  404.144036][  T531]  ? arch_stack_walk+0xf8/0x140
[  404.148876][  T531]  ? snprintf+0xd6/0x120
[  404.153116][  T531]  kernfs_new_node+0x97/0x170
[  404.157783][  T531]  __kernfs_create_file+0x4a/0x270
[  404.162884][  T531]  cgroup_addrm_files+0xab8/0xfe0
[  404.167892][  T531]  ? ____kasan_kmalloc+0xdc/0x110
[  404.172898][  T531]  ? __kasan_kmalloc+0x9/0x10
[  404.177553][  T531]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  404.183085][  T531]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  404.189354][  T531]  ? delete_node+0x759/0x7b0
[  404.193924][  T531]  ? __kasan_check_read+0x11/0x20
[  404.198943][  T531]  ? delete_node+0x759/0x7b0
[  404.203507][  T531]  ? __kasan_check_write+0x14/0x20
[  404.208597][  T531]  ? idr_replace+0x1c4/0x230
[  404.213164][  T531]  ? idr_get_next+0x4b0/0x4b0
[  404.217918][  T531]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  404.222922][  T531]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  404.228184][  T531]  css_populate_dir+0x137/0x370
[  404.233010][  T531]  cgroup_apply_control_enable+0x8b9/0x12f0
[  404.238882][  T531]  cgroup_apply_control+0x93/0x710
[  404.243985][  T531]  ? css_next_child+0x160/0x160
[  404.248815][  T531]  ? stack_trace_save+0x12d/0x1f0
[  404.253816][  T531]  ? io_schedule+0x120/0x120
[  404.258380][  T531]  ? kernfs_fop_write_iter+0x15e/0x410
[  404.263812][  T531]  ? __kasan_check_write+0x14/0x20
[  404.268899][  T531]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  404.274161][  T531]  cgroup_subtree_control_write+0xd19/0x1310
[  404.280116][  T531]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  404.286071][  T531]  ? __kasan_check_write+0x14/0x20
[  404.291242][  T531]  ? _copy_from_iter+0x3fb/0xd60
[  404.296154][  T531]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  404.302106][  T531]  cgroup_file_write+0x28e/0x590
[  404.307018][  T531]  ? cgroup_seqfile_stop+0xc0/0xc0
[  404.312102][  T531]  ? mutex_lock+0xa6/0x110
[  404.316510][  T531]  ? mutex_trylock+0xb0/0xb0
[  404.321077][  T531]  ? __kasan_check_write+0x14/0x20
[  404.326160][  T531]  kernfs_fop_write_iter+0x2d0/0x410
[  404.331418][  T531]  ? cgroup_seqfile_stop+0xc0/0xc0
[  404.336505][  T531]  vfs_write+0xc1c/0xf40
[  404.340725][  T531]  ? slab_free_freelist_hook+0xcc/0x1a0
[  404.346243][  T531]  ? kernel_write+0x3c0/0x3c0
[  404.350897][  T531]  ? do_sys_openat2+0x397/0x470
[  404.355721][  T531]  ? __kasan_check_read+0x11/0x20
[  404.360724][  T531]  ? __fdget_pos+0x27e/0x310
[  404.365291][  T531]  ksys_write+0x198/0x2c0
[  404.369598][  T531]  ? __ia32_sys_read+0x90/0x90
[  404.374336][  T531]  ? debug_smp_processor_id+0x17/0x20
[  404.379702][  T531]  __x64_sys_write+0x7b/0x90
[  404.384265][  T531]  do_syscall_64+0x34/0x70
[  404.388655][  T531]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  404.394520][  T531] RIP: 0033:0x7efdb4cf77c9
[  404.398911][  T531] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  404.418488][  T531] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  404.426876][  T531] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  404.434834][  T531] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  404.442781][  T531] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  404.450725][  T531] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  404.458680][  T531] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000017
[  404.466802][  T531] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  404.508193][  T539] FAULT_INJECTION: forcing a failure.
[  404.508193][  T539] name failslab, interval 1, probability 0, space 0, times 0
[  404.520848][  T539] CPU: 1 PID: 539 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  404.532459][  T539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  404.542493][  T539] Call Trace:
[  404.545765][  T539]  dump_stack_lvl+0x1e2/0x24b
[  404.550417][  T539]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  404.555848][  T539]  ? selinux_kernfs_init_security+0x1a8/0x760
[  404.561889][  T539]  dump_stack+0x15/0x17
[  404.566023][  T539]  should_fail+0x3c0/0x510
[  404.570423][  T539]  ? __kernfs_new_node+0x99/0x6e0
[  404.575419][  T539]  __should_failslab+0x9f/0xe0
[  404.580162][  T539]  should_failslab+0x9/0x20
[  404.584639][  T539]  __kmalloc_track_caller+0x5f/0x350
[  404.589903][  T539]  kstrdup_const+0x55/0x90
[  404.594305][  T539]  __kernfs_new_node+0x99/0x6e0
[  404.599128][  T539]  ? is_module_text_address+0xe1/0x140
[  404.604555][  T539]  ? kernfs_new_node+0x170/0x170
[  404.609475][  T539]  ? ptr_to_hashval+0x60/0x60
[  404.614128][  T539]  ? snprintf+0xd6/0x120
[  404.618340][  T539]  ? __kasan_check_write+0x14/0x20
[  404.623424][  T539]  ? mutex_unlock+0x1d/0x40
[  404.627906][  T539]  kernfs_new_node+0x97/0x170
[  404.632556][  T539]  __kernfs_create_file+0x4a/0x270
[  404.637643][  T539]  cgroup_addrm_files+0xab8/0xfe0
[  404.642644][  T539]  ? ____kasan_kmalloc+0xdc/0x110
[  404.647638][  T539]  ? __kasan_kmalloc+0x9/0x10
[  404.652285][  T539]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  404.657818][  T539]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  404.663942][  T539]  ? delete_node+0x759/0x7b0
[  404.668506][  T539]  ? __kasan_check_read+0x11/0x20
[  404.673515][  T539]  ? idr_replace+0x1c4/0x230
[  404.678074][  T539]  ? idr_get_next+0x4b0/0x4b0
[  404.682726][  T539]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  404.687736][  T539]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  404.692914][  T539]  css_populate_dir+0x137/0x370
[  404.697758][  T539]  cgroup_apply_control_enable+0x8b9/0x12f0
[  404.703633][  T539]  cgroup_apply_control+0x93/0x710
[  404.708717][  T539]  ? css_next_child+0x160/0x160
[  404.713551][  T539]  ? stack_trace_save+0x12d/0x1f0
[  404.718553][  T539]  ? io_schedule+0x120/0x120
[  404.723113][  T539]  ? kernfs_fop_write_iter+0x15e/0x410
[  404.728544][  T539]  ? __kasan_check_write+0x14/0x20
[  404.733628][  T539]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  404.738883][  T539]  cgroup_subtree_control_write+0xd19/0x1310
[  404.744850][  T539]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  404.750801][  T539]  ? __kasan_check_write+0x14/0x20
[  404.755883][  T539]  ? _copy_from_iter+0x3fb/0xd60
[  404.760792][  T539]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  404.766740][  T539]  cgroup_file_write+0x28e/0x590
[  404.771650][  T539]  ? cgroup_seqfile_stop+0xc0/0xc0
[  404.776735][  T539]  ? mutex_lock+0xa6/0x110
[  404.781125][  T539]  ? mutex_trylock+0xb0/0xb0
[  404.785686][  T539]  ? __kasan_check_write+0x14/0x20
[  404.790767][  T539]  kernfs_fop_write_iter+0x2d0/0x410
[  404.796023][  T539]  ? cgroup_seqfile_stop+0xc0/0xc0
[  404.801107][  T539]  vfs_write+0xc1c/0xf40
[  404.805320][  T539]  ? slab_free_freelist_hook+0xcc/0x1a0
[  404.810837][  T539]  ? kernel_write+0x3c0/0x3c0
[  404.815483][  T539]  ? do_sys_openat2+0x397/0x470
[  404.820303][  T539]  ? __kasan_check_read+0x11/0x20
[  404.825301][  T539]  ? __fdget_pos+0x27e/0x310
[  404.829863][  T539]  ksys_write+0x198/0x2c0
[  404.834165][  T539]  ? __ia32_sys_read+0x90/0x90
[  404.838904][  T539]  ? debug_smp_processor_id+0x17/0x20
[  404.844248][  T539]  __x64_sys_write+0x7b/0x90
[  404.848809][  T539]  do_syscall_64+0x34/0x70
[  404.853198][  T539]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  404.859061][  T539] RIP: 0033:0x7efdb4cf77c9
[  404.863451][  T539] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  404.883594][  T539] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  404.891998][  T539] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  404.900041][  T539] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  404.907992][  T539] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  404.915941][  T539] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  404.923889][  T539] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000018
[  404.932015][  T539] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  404.978248][  T540] FAULT_INJECTION: forcing a failure.
[  404.978248][  T540] name failslab, interval 1, probability 0, space 0, times 0
[  404.990889][  T540] CPU: 1 PID: 540 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  405.002494][  T540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  405.012529][  T540] Call Trace:
[  405.015804][  T540]  dump_stack_lvl+0x1e2/0x24b
[  405.020463][  T540]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  405.025897][  T540]  ? selinux_kernfs_init_security+0x1a8/0x760
[  405.032090][  T540]  dump_stack+0x15/0x17
[  405.036221][  T540]  should_fail+0x3c0/0x510
[  405.040619][  T540]  ? __kernfs_new_node+0x99/0x6e0
[  405.045723][  T540]  __should_failslab+0x9f/0xe0
[  405.050479][  T540]  should_failslab+0x9/0x20
[  405.054976][  T540]  __kmalloc_track_caller+0x5f/0x350
[  405.060249][  T540]  kstrdup_const+0x55/0x90
[  405.064641][  T540]  __kernfs_new_node+0x99/0x6e0
[  405.069471][  T540]  ? is_module_text_address+0xe1/0x140
[  405.074907][  T540]  ? kernfs_new_node+0x170/0x170
[  405.079993][  T540]  ? ptr_to_hashval+0x60/0x60
[  405.084646][  T540]  ? snprintf+0xd6/0x120
[  405.088874][  T540]  ? __kasan_check_write+0x14/0x20
[  405.093968][  T540]  ? mutex_unlock+0x1d/0x40
[  405.098450][  T540]  kernfs_new_node+0x97/0x170
[  405.103112][  T540]  __kernfs_create_file+0x4a/0x270
[  405.108200][  T540]  cgroup_addrm_files+0xab8/0xfe0
[  405.113210][  T540]  ? ____kasan_kmalloc+0xdc/0x110
[  405.118221][  T540]  ? __kasan_kmalloc+0x9/0x10
[  405.122872][  T540]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  405.128396][  T540]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  405.134523][  T540]  ? delete_node+0x759/0x7b0
[  405.139107][  T540]  ? __kasan_check_read+0x11/0x20
[  405.144121][  T540]  ? idr_replace+0x1c4/0x230
[  405.148699][  T540]  ? idr_get_next+0x4b0/0x4b0
[  405.153355][  T540]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  405.158358][  T540]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  405.163530][  T540]  css_populate_dir+0x137/0x370
[  405.168356][  T540]  cgroup_apply_control_enable+0x8b9/0x12f0
[  405.174222][  T540]  cgroup_apply_control+0x93/0x710
[  405.179309][  T540]  ? css_next_child+0x160/0x160
[  405.184151][  T540]  ? io_schedule+0x120/0x120
[  405.188716][  T540]  ? __kasan_check_write+0x14/0x20
[  405.193863][  T540]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  405.199130][  T540]  cgroup_subtree_control_write+0xd19/0x1310
[  405.205119][  T540]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  405.211079][  T540]  ? __kasan_check_write+0x14/0x20
[  405.216163][  T540]  ? _copy_from_iter+0x3fb/0xd60
[  405.221077][  T540]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  405.227180][  T540]  cgroup_file_write+0x28e/0x590
[  405.232105][  T540]  ? cgroup_seqfile_stop+0xc0/0xc0
[  405.237188][  T540]  ? mutex_lock+0xa6/0x110
[  405.241576][  T540]  ? mutex_trylock+0xb0/0xb0
[  405.246140][  T540]  ? __kasan_check_write+0x14/0x20
[  405.251226][  T540]  kernfs_fop_write_iter+0x2d0/0x410
[  405.256510][  T540]  ? cgroup_seqfile_stop+0xc0/0xc0
[  405.261601][  T540]  vfs_write+0xc1c/0xf40
[  405.265822][  T540]  ? kernel_write+0x3c0/0x3c0
[  405.270473][  T540]  ? do_sys_openat2+0x397/0x470
[  405.275307][  T540]  ? __kasan_check_read+0x11/0x20
[  405.280320][  T540]  ? __fdget_pos+0x27e/0x310
[  405.284884][  T540]  ksys_write+0x198/0x2c0
[  405.289191][  T540]  ? kvm_sched_clock_read+0x18/0x40
[  405.294368][  T540]  ? sched_clock+0x3a/0x40
[  405.298767][  T540]  ? __ia32_sys_read+0x90/0x90
[  405.303516][  T540]  ? debug_smp_processor_id+0x17/0x20
[  405.308866][  T540]  __x64_sys_write+0x7b/0x90
[  405.313433][  T540]  do_syscall_64+0x34/0x70
[  405.317826][  T540]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  405.323694][  T540] RIP: 0033:0x7efdb4cf77c9
[  405.328090][  T540] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  405.347672][  T540] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  405.356062][  T540] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  405.364019][  T540] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  405.371983][  T540] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  405.379930][  T540] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  405.387874][  T540] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000019
[  405.395938][  T540] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  405.428094][  T538] FAULT_INJECTION: forcing a failure.
[  405.428094][  T538] name failslab, interval 1, probability 0, space 0, times 0
[  405.440781][  T538] CPU: 0 PID: 538 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  405.452389][  T538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  405.462786][  T538] Call Trace:
[  405.466063][  T538]  dump_stack_lvl+0x1e2/0x24b
[  405.470739][  T538]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  405.476175][  T538]  ? selinux_kernfs_init_security+0x1a8/0x760
[  405.482305][  T538]  dump_stack+0x15/0x17
[  405.486463][  T538]  should_fail+0x3c0/0x510
[  405.490873][  T538]  ? __kernfs_new_node+0x99/0x6e0
[  405.495967][  T538]  __should_failslab+0x9f/0xe0
[  405.500716][  T538]  should_failslab+0x9/0x20
[  405.505200][  T538]  __kmalloc_track_caller+0x5f/0x350
[  405.510465][  T538]  kstrdup_const+0x55/0x90
[  405.514857][  T538]  __kernfs_new_node+0x99/0x6e0
[  405.519680][  T538]  ? is_module_text_address+0xe1/0x140
[  405.525196][  T538]  ? kernfs_new_node+0x170/0x170
[  405.530109][  T538]  ? ptr_to_hashval+0x60/0x60
[  405.534755][  T538]  ? snprintf+0xd6/0x120
[  405.539056][  T538]  ? __kasan_check_write+0x14/0x20
[  405.544140][  T538]  ? mutex_unlock+0x1d/0x40
[  405.548786][  T538]  kernfs_new_node+0x97/0x170
[  405.553436][  T538]  __kernfs_create_file+0x4a/0x270
[  405.558518][  T538]  cgroup_addrm_files+0xab8/0xfe0
[  405.563517][  T538]  ? ____kasan_kmalloc+0xdc/0x110
[  405.568513][  T538]  ? __kasan_kmalloc+0x9/0x10
[  405.573168][  T538]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  405.578686][  T538]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  405.584808][  T538]  ? delete_node+0x759/0x7b0
[  405.589375][  T538]  ? __kasan_check_read+0x11/0x20
[  405.594394][  T538]  ? idr_replace+0x1c4/0x230
[  405.598963][  T538]  ? idr_get_next+0x4b0/0x4b0
[  405.603609][  T538]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  405.608609][  T538]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  405.613789][  T538]  css_populate_dir+0x137/0x370
[  405.618608][  T538]  cgroup_apply_control_enable+0x8b9/0x12f0
[  405.624472][  T538]  cgroup_apply_control+0x93/0x710
[  405.629552][  T538]  ? css_next_child+0x160/0x160
[  405.634374][  T538]  ? io_schedule+0x120/0x120
[  405.638933][  T538]  ? kernfs_fop_write_iter+0x15e/0x410
[  405.644362][  T538]  ? __kasan_check_write+0x14/0x20
[  405.649441][  T538]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  405.654705][  T538]  cgroup_subtree_control_write+0xd19/0x1310
[  405.660666][  T538]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  405.666620][  T538]  ? __kasan_check_write+0x14/0x20
[  405.671713][  T538]  ? _copy_from_iter+0x3fb/0xd60
[  405.676619][  T538]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  405.682591][  T538]  cgroup_file_write+0x28e/0x590
[  405.687499][  T538]  ? cgroup_seqfile_stop+0xc0/0xc0
[  405.692584][  T538]  ? mutex_lock+0xa6/0x110
[  405.696970][  T538]  ? mutex_trylock+0xb0/0xb0
[  405.701555][  T538]  ? __kasan_check_write+0x14/0x20
[  405.706651][  T538]  kernfs_fop_write_iter+0x2d0/0x410
[  405.711916][  T538]  ? cgroup_seqfile_stop+0xc0/0xc0
[  405.717004][  T538]  vfs_write+0xc1c/0xf40
[  405.721222][  T538]  ? kernel_write+0x3c0/0x3c0
[  405.725879][  T538]  ? do_sys_openat2+0x397/0x470
[  405.730714][  T538]  ? __kasan_check_read+0x11/0x20
[  405.735711][  T538]  ? __fdget_pos+0x27e/0x310
[  405.740275][  T538]  ksys_write+0x198/0x2c0
[  405.744582][  T538]  ? __ia32_sys_read+0x90/0x90
[  405.749316][  T538]  ? debug_smp_processor_id+0x17/0x20
[  405.754664][  T538]  __x64_sys_write+0x7b/0x90
[  405.759228][  T538]  do_syscall_64+0x34/0x70
[  405.763618][  T538]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  405.769481][  T538] RIP: 0033:0x7efdb4cf77c9
[  405.773873][  T538] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  405.793457][  T538] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  405.801954][  T538] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  405.809908][  T538] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  405.817857][  T538] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  405.825800][  T538] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  405.833754][  T538] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001b
[  405.841833][  T538] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  405.888189][  T534] FAULT_INJECTION: forcing a failure.
[  405.888189][  T534] name failslab, interval 1, probability 0, space 0, times 0
[  405.900841][  T534] CPU: 0 PID: 534 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  405.912439][  T534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  405.922556][  T534] Call Trace:
[  405.925839][  T534]  dump_stack_lvl+0x1e2/0x24b
[  405.930567][  T534]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  405.936016][  T534]  ? selinux_kernfs_init_security+0x1a8/0x760
[  405.942154][  T534]  dump_stack+0x15/0x17
[  405.946292][  T534]  should_fail+0x3c0/0x510
[  405.950691][  T534]  ? __kernfs_new_node+0x99/0x6e0
[  405.955688][  T534]  __should_failslab+0x9f/0xe0
[  405.960618][  T534]  should_failslab+0x9/0x20
[  405.965093][  T534]  __kmalloc_track_caller+0x5f/0x350
[  405.970366][  T534]  kstrdup_const+0x55/0x90
[  405.974772][  T534]  __kernfs_new_node+0x99/0x6e0
[  405.979605][  T534]  ? is_module_text_address+0xe1/0x140
[  405.985037][  T534]  ? kernfs_new_node+0x170/0x170
[  405.989960][  T534]  ? ptr_to_hashval+0x60/0x60
[  405.994616][  T534]  ? arch_stack_walk+0xf8/0x140
[  405.999436][  T534]  ? snprintf+0xd6/0x120
[  406.003653][  T534]  kernfs_new_node+0x97/0x170
[  406.008303][  T534]  __kernfs_create_file+0x4a/0x270
[  406.013384][  T534]  cgroup_addrm_files+0xab8/0xfe0
[  406.018381][  T534]  ? ____kasan_kmalloc+0xdc/0x110
[  406.023377][  T534]  ? __kasan_kmalloc+0x9/0x10
[  406.028043][  T534]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  406.033571][  T534]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  406.039705][  T534]  ? delete_node+0x759/0x7b0
[  406.044276][  T534]  ? __kasan_check_read+0x11/0x20
[  406.049271][  T534]  ? delete_node+0x759/0x7b0
[  406.053831][  T534]  ? __kasan_check_write+0x14/0x20
[  406.058915][  T534]  ? idr_replace+0x1c4/0x230
[  406.063476][  T534]  ? idr_get_next+0x4b0/0x4b0
[  406.068140][  T534]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  406.073142][  T534]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  406.078309][  T534]  css_populate_dir+0x137/0x370
[  406.083133][  T534]  cgroup_apply_control_enable+0x8b9/0x12f0
[  406.088999][  T534]  cgroup_apply_control+0x93/0x710
[  406.094088][  T534]  ? css_next_child+0x160/0x160
[  406.098911][  T534]  ? stack_trace_save+0x12d/0x1f0
[  406.103908][  T534]  ? io_schedule+0x120/0x120
[  406.108472][  T534]  ? kernfs_fop_write_iter+0x15e/0x410
[  406.113916][  T534]  ? __kasan_check_write+0x14/0x20
[  406.119012][  T534]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  406.124268][  T534]  cgroup_subtree_control_write+0xd19/0x1310
[  406.130218][  T534]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  406.136168][  T534]  ? __kasan_check_write+0x14/0x20
[  406.141250][  T534]  ? _copy_from_iter+0x3fb/0xd60
[  406.146163][  T534]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  406.152111][  T534]  cgroup_file_write+0x28e/0x590
[  406.157022][  T534]  ? cgroup_seqfile_stop+0xc0/0xc0
[  406.162120][  T534]  ? mutex_lock+0xa6/0x110
[  406.166519][  T534]  ? mutex_trylock+0xb0/0xb0
[  406.171093][  T534]  ? __kasan_check_write+0x14/0x20
[  406.176188][  T534]  kernfs_fop_write_iter+0x2d0/0x410
[  406.181468][  T534]  ? cgroup_seqfile_stop+0xc0/0xc0
[  406.186555][  T534]  vfs_write+0xc1c/0xf40
[  406.190780][  T534]  ? slab_free_freelist_hook+0xcc/0x1a0
[  406.196300][  T534]  ? kernel_write+0x3c0/0x3c0
[  406.200952][  T534]  ? do_sys_openat2+0x397/0x470
[  406.205778][  T534]  ? __kasan_check_read+0x11/0x20
[  406.210783][  T534]  ? __fdget_pos+0x27e/0x310
[  406.215347][  T534]  ksys_write+0x198/0x2c0
[  406.219657][  T534]  ? __ia32_sys_read+0x90/0x90
[  406.224415][  T534]  ? debug_smp_processor_id+0x17/0x20
[  406.229932][  T534]  __x64_sys_write+0x7b/0x90
[  406.234495][  T534]  do_syscall_64+0x34/0x70
[  406.239842][  T534]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  406.245703][  T534] RIP: 0033:0x7efdb4cf77c9
[  406.250093][  T534] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  406.269703][  T534] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  406.278106][  T534] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  406.286063][  T534] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  406.294021][  T534] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  406.301980][  T534] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  406.309929][  T534] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001c
[  406.317990][  T534] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  406.368235][  T532] FAULT_INJECTION: forcing a failure.
[  406.368235][  T532] name failslab, interval 1, probability 0, space 0, times 0
[  406.380983][  T532] CPU: 0 PID: 532 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  406.392594][  T532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  406.402631][  T532] Call Trace:
[  406.405902][  T532]  dump_stack_lvl+0x1e2/0x24b
[  406.410568][  T532]  ? panic+0x7d7/0x7d7
[  406.414649][  T532]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  406.420084][  T532]  ? selinux_kernfs_init_security+0x1a8/0x760
[  406.426126][  T532]  dump_stack+0x15/0x17
[  406.430262][  T532]  should_fail+0x3c0/0x510
[  406.434653][  T532]  __should_failslab+0x9f/0xe0
[  406.439651][  T532]  should_failslab+0x9/0x20
[  406.444128][  T532]  kmem_cache_alloc+0x3f/0x300
[  406.448871][  T532]  ? __kernfs_new_node+0xdb/0x6e0
[  406.453866][  T532]  __kernfs_new_node+0xdb/0x6e0
[  406.458691][  T532]  ? is_module_text_address+0xe1/0x140
[  406.464485][  T532]  ? kernfs_new_node+0x170/0x170
[  406.469399][  T532]  ? ptr_to_hashval+0x60/0x60
[  406.474046][  T532]  ? arch_stack_walk+0xf8/0x140
[  406.478869][  T532]  ? snprintf+0xd6/0x120
[  406.483087][  T532]  kernfs_new_node+0x97/0x170
[  406.487740][  T532]  __kernfs_create_file+0x4a/0x270
[  406.492829][  T532]  cgroup_addrm_files+0xab8/0xfe0
[  406.497831][  T532]  ? ____kasan_kmalloc+0xdc/0x110
[  406.502848][  T532]  ? __kasan_kmalloc+0x9/0x10
[  406.507499][  T532]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  406.513016][  T532]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  406.519140][  T532]  ? delete_node+0x759/0x7b0
[  406.523702][  T532]  ? __kasan_check_read+0x11/0x20
[  406.528696][  T532]  ? delete_node+0x759/0x7b0
[  406.533257][  T532]  ? __kasan_check_write+0x14/0x20
[  406.538342][  T532]  ? idr_replace+0x1c4/0x230
[  406.542904][  T532]  ? idr_get_next+0x4b0/0x4b0
[  406.547668][  T532]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  406.552678][  T532]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  406.557848][  T532]  css_populate_dir+0x137/0x370
[  406.562686][  T532]  cgroup_apply_control_enable+0x8b9/0x12f0
[  406.568550][  T532]  cgroup_apply_control+0x93/0x710
[  406.573642][  T532]  ? css_next_child+0x160/0x160
[  406.578635][  T532]  ? stack_trace_save+0x12d/0x1f0
[  406.583633][  T532]  ? io_schedule+0x120/0x120
[  406.588233][  T532]  ? kernfs_fop_write_iter+0x15e/0x410
[  406.593681][  T532]  ? __kasan_check_write+0x14/0x20
[  406.598767][  T532]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  406.604025][  T532]  cgroup_subtree_control_write+0xd19/0x1310
[  406.609990][  T532]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  406.615963][  T532]  ? __kasan_check_write+0x14/0x20
[  406.621053][  T532]  ? _copy_from_iter+0x3fb/0xd60
[  406.625984][  T532]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  406.631944][  T532]  cgroup_file_write+0x28e/0x590
[  406.636864][  T532]  ? cgroup_seqfile_stop+0xc0/0xc0
[  406.642055][  T532]  ? mutex_lock+0xa6/0x110
[  406.646447][  T532]  ? mutex_trylock+0xb0/0xb0
[  406.651020][  T532]  ? __kasan_check_write+0x14/0x20
[  406.656109][  T532]  kernfs_fop_write_iter+0x2d0/0x410
[  406.661372][  T532]  ? cgroup_seqfile_stop+0xc0/0xc0
[  406.666458][  T532]  vfs_write+0xc1c/0xf40
[  406.670685][  T532]  ? slab_free_freelist_hook+0xcc/0x1a0
[  406.676208][  T532]  ? kernel_write+0x3c0/0x3c0
[  406.680863][  T532]  ? do_sys_openat2+0x397/0x470
[  406.685693][  T532]  ? __kasan_check_read+0x11/0x20
[  406.690696][  T532]  ? __fdget_pos+0x27e/0x310
[  406.695261][  T532]  ksys_write+0x198/0x2c0
[  406.699575][  T532]  ? __ia32_sys_read+0x90/0x90
[  406.704365][  T532]  ? debug_smp_processor_id+0x17/0x20
[  406.709715][  T532]  __x64_sys_write+0x7b/0x90
[  406.714355][  T532]  do_syscall_64+0x34/0x70
[  406.718748][  T532]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  406.724619][  T532] RIP: 0033:0x7efdb4cf77c9
[  406.729021][  T532] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  406.748708][  T532] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  406.757096][  T532] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
executing program
[  406.765040][  T532] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  406.773006][  T532] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  406.780973][  T532] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  406.788931][  T532] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001a
[  406.797131][  T532] cgroup: cgroup_addrm_files: failed to add max, err=-12
executing program
[  406.838165][  T542] FAULT_INJECTION: forcing a failure.
[  406.838165][  T542] name failslab, interval 1, probability 0, space 0, times 0
[  406.850901][  T542] CPU: 0 PID: 542 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  406.862518][  T542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  406.872565][  T542] Call Trace:
[  406.875859][  T542]  dump_stack_lvl+0x1e2/0x24b
[  406.880517][  T542]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  406.885954][  T542]  ? selinux_kernfs_init_security+0x1a8/0x760
[  406.892083][  T542]  dump_stack+0x15/0x17
[  406.896221][  T542]  should_fail+0x3c0/0x510
[  406.900613][  T542]  ? __kernfs_new_node+0x99/0x6e0
[  406.905668][  T542]  __should_failslab+0x9f/0xe0
[  406.910415][  T542]  should_failslab+0x9/0x20
[  406.914896][  T542]  __kmalloc_track_caller+0x5f/0x350
[  406.920165][  T542]  kstrdup_const+0x55/0x90
[  406.924563][  T542]  __kernfs_new_node+0x99/0x6e0
[  406.929402][  T542]  ? is_module_text_address+0xe1/0x140
[  406.934854][  T542]  ? kernfs_new_node+0x170/0x170
[  406.939786][  T542]  ? ptr_to_hashval+0x60/0x60
[  406.944444][  T542]  ? snprintf+0xd6/0x120
[  406.948674][  T542]  ? __kasan_check_write+0x14/0x20
[  406.953769][  T542]  ? mutex_unlock+0x1d/0x40
[  406.958272][  T542]  kernfs_new_node+0x97/0x170
[  406.962932][  T542]  __kernfs_create_file+0x4a/0x270
[  406.968024][  T542]  cgroup_addrm_files+0xab8/0xfe0
[  406.973029][  T542]  ? ____kasan_kmalloc+0xdc/0x110
[  406.978038][  T542]  ? __kasan_kmalloc+0x9/0x10
[  406.982699][  T542]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  406.988229][  T542]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  406.994363][  T542]  ? delete_node+0x759/0x7b0
[  406.998930][  T542]  ? __kasan_check_read+0x11/0x20
[  407.003934][  T542]  ? idr_replace+0x1c4/0x230
[  407.008500][  T542]  ? idr_get_next+0x4b0/0x4b0
[  407.013154][  T542]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  407.018155][  T542]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  407.023349][  T542]  css_populate_dir+0x137/0x370
[  407.028172][  T542]  cgroup_apply_control_enable+0x8b9/0x12f0
[  407.034038][  T542]  cgroup_apply_control+0x93/0x710
[  407.039146][  T542]  ? css_next_child+0x160/0x160
[  407.043979][  T542]  ? io_schedule+0x120/0x120
[  407.048544][  T542]  ? kernfs_fop_write_iter+0x15e/0x410
[  407.053975][  T542]  ? __kasan_check_write+0x14/0x20
[  407.059077][  T542]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  407.064364][  T542]  cgroup_subtree_control_write+0xd19/0x1310
[  407.070318][  T542]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  407.076272][  T542]  ? __kasan_check_write+0x14/0x20
[  407.081358][  T542]  ? _copy_from_iter+0x3fb/0xd60
[  407.086271][  T542]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  407.092222][  T542]  cgroup_file_write+0x28e/0x590
[  407.097136][  T542]  ? cgroup_seqfile_stop+0xc0/0xc0
[  407.102294][  T542]  ? mutex_lock+0xa6/0x110
[  407.106689][  T542]  ? mutex_trylock+0xb0/0xb0
[  407.111275][  T542]  ? __kasan_check_write+0x14/0x20
[  407.116368][  T542]  kernfs_fop_write_iter+0x2d0/0x410
[  407.121643][  T542]  ? cgroup_seqfile_stop+0xc0/0xc0
[  407.126735][  T542]  vfs_write+0xc1c/0xf40
[  407.130979][  T542]  ? kernel_write+0x3c0/0x3c0
[  407.135662][  T542]  ? do_sys_openat2+0x397/0x470
[  407.140510][  T542]  ? __kasan_check_read+0x11/0x20
[  407.145514][  T542]  ? __fdget_pos+0x27e/0x310
[  407.150096][  T542]  ksys_write+0x198/0x2c0
[  407.154416][  T542]  ? __ia32_sys_read+0x90/0x90
[  407.159181][  T542]  ? debug_smp_processor_id+0x17/0x20
[  407.164541][  T542]  __x64_sys_write+0x7b/0x90
[  407.169109][  T542]  do_syscall_64+0x34/0x70
[  407.173506][  T542]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  407.179373][  T542] RIP: 0033:0x7efdb4cf77c9
[  407.183764][  T542] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  407.203349][  T542] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  407.211829][  T542] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  407.219794][  T542] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  407.227764][  T542] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  407.235719][  T542] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  407.243681][  T542] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001c
[  407.251976][  T542] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  407.308176][  T537] FAULT_INJECTION: forcing a failure.
[  407.308176][  T537] name failslab, interval 1, probability 0, space 0, times 0
[  407.320875][  T537] CPU: 0 PID: 537 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  407.332486][  T537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  407.342528][  T537] Call Trace:
[  407.345818][  T537]  dump_stack_lvl+0x1e2/0x24b
[  407.350491][  T537]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  407.355939][  T537]  ? selinux_kernfs_init_security+0x1a8/0x760
[  407.361979][  T537]  dump_stack+0x15/0x17
[  407.366126][  T537]  should_fail+0x3c0/0x510
[  407.370522][  T537]  ? __kernfs_new_node+0x99/0x6e0
[  407.375526][  T537]  __should_failslab+0x9f/0xe0
[  407.380265][  T537]  should_failslab+0x9/0x20
[  407.384763][  T537]  __kmalloc_track_caller+0x5f/0x350
[  407.390023][  T537]  kstrdup_const+0x55/0x90
[  407.394414][  T537]  __kernfs_new_node+0x99/0x6e0
[  407.399240][  T537]  ? is_module_text_address+0xe1/0x140
[  407.404689][  T537]  ? kernfs_new_node+0x170/0x170
[  407.409601][  T537]  ? ptr_to_hashval+0x60/0x60
[  407.414339][  T537]  ? snprintf+0xd6/0x120
[  407.418555][  T537]  ? __kasan_check_write+0x14/0x20
[  407.423922][  T537]  ? mutex_unlock+0x1d/0x40
[  407.428398][  T537]  kernfs_new_node+0x97/0x170
[  407.433046][  T537]  __kernfs_create_file+0x4a/0x270
[  407.438134][  T537]  cgroup_addrm_files+0xab8/0xfe0
[  407.443133][  T537]  ? ____kasan_kmalloc+0xdc/0x110
[  407.448141][  T537]  ? __kasan_kmalloc+0x9/0x10
[  407.452806][  T537]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  407.458351][  T537]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  407.464487][  T537]  ? delete_node+0x759/0x7b0
[  407.469055][  T537]  ? __kasan_check_read+0x11/0x20
[  407.474057][  T537]  ? idr_replace+0x1c4/0x230
[  407.478629][  T537]  ? idr_get_next+0x4b0/0x4b0
[  407.483290][  T537]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  407.488293][  T537]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  407.493466][  T537]  css_populate_dir+0x137/0x370
[  407.498311][  T537]  cgroup_apply_control_enable+0x8b9/0x12f0
[  407.504191][  T537]  cgroup_apply_control+0x93/0x710
[  407.509284][  T537]  ? css_next_child+0x160/0x160
[  407.514106][  T537]  ? stack_trace_save+0x12d/0x1f0
[  407.519106][  T537]  ? io_schedule+0x120/0x120
[  407.523671][  T537]  ? kernfs_fop_write_iter+0x15e/0x410
[  407.529107][  T537]  ? __kasan_check_write+0x14/0x20
[  407.534192][  T537]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  407.539447][  T537]  cgroup_subtree_control_write+0xd19/0x1310
[  407.545400][  T537]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  407.551354][  T537]  ? __kasan_check_write+0x14/0x20
[  407.556444][  T537]  ? _copy_from_iter+0x3fb/0xd60
[  407.561364][  T537]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  407.567323][  T537]  cgroup_file_write+0x28e/0x590
[  407.572235][  T537]  ? cgroup_seqfile_stop+0xc0/0xc0
[  407.577337][  T537]  ? mutex_lock+0xa6/0x110
[  407.581725][  T537]  ? mutex_trylock+0xb0/0xb0
[  407.586287][  T537]  ? __kasan_check_write+0x14/0x20
[  407.591371][  T537]  kernfs_fop_write_iter+0x2d0/0x410
[  407.596629][  T537]  ? cgroup_seqfile_stop+0xc0/0xc0
[  407.601719][  T537]  vfs_write+0xc1c/0xf40
[  407.605939][  T537]  ? slab_free_freelist_hook+0xcc/0x1a0
[  407.611477][  T537]  ? kernel_write+0x3c0/0x3c0
[  407.616128][  T537]  ? do_sys_openat2+0x397/0x470
[  407.620951][  T537]  ? __kasan_check_read+0x11/0x20
[  407.625950][  T537]  ? __fdget_pos+0x27e/0x310
[  407.630518][  T537]  ksys_write+0x198/0x2c0
[  407.635273][  T537]  ? __ia32_sys_read+0x90/0x90
[  407.640013][  T537]  ? debug_smp_processor_id+0x17/0x20
[  407.645361][  T537]  __x64_sys_write+0x7b/0x90
[  407.649924][  T537]  do_syscall_64+0x34/0x70
[  407.654316][  T537]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  407.660180][  T537] RIP: 0033:0x7efdb4cf77c9
[  407.664571][  T537] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  407.684239][  T537] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  407.692636][  T537] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  407.700585][  T537] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  407.708538][  T537] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  407.716491][  T537] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  407.724448][  T537] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001b
[  407.732905][  T537] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  407.778082][  T541] FAULT_INJECTION: forcing a failure.
[  407.778082][  T541] name failslab, interval 1, probability 0, space 0, times 0
[  407.790733][  T541] CPU: 0 PID: 541 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  407.802336][  T541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  407.812376][  T541] Call Trace:
[  407.815655][  T541]  dump_stack_lvl+0x1e2/0x24b
[  407.820308][  T541]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  407.825747][  T541]  ? selinux_kernfs_init_security+0x1a8/0x760
[  407.831786][  T541]  dump_stack+0x15/0x17
[  407.835913][  T541]  should_fail+0x3c0/0x510
[  407.840304][  T541]  ? __kernfs_new_node+0x99/0x6e0
[  407.845301][  T541]  __should_failslab+0x9f/0xe0
[  407.850037][  T541]  should_failslab+0x9/0x20
[  407.854516][  T541]  __kmalloc_track_caller+0x5f/0x350
[  407.859775][  T541]  kstrdup_const+0x55/0x90
[  407.864165][  T541]  __kernfs_new_node+0x99/0x6e0
[  407.868988][  T541]  ? is_module_text_address+0xe1/0x140
[  407.874421][  T541]  ? kernfs_new_node+0x170/0x170
[  407.879418][  T541]  ? ptr_to_hashval+0x60/0x60
[  407.884180][  T541]  ? snprintf+0xd6/0x120
[  407.888415][  T541]  ? __kasan_check_write+0x14/0x20
[  407.893517][  T541]  ? mutex_unlock+0x1d/0x40
[  407.897995][  T541]  kernfs_new_node+0x97/0x170
[  407.902651][  T541]  __kernfs_create_file+0x4a/0x270
[  407.907755][  T541]  cgroup_addrm_files+0xab8/0xfe0
[  407.912760][  T541]  ? ____kasan_kmalloc+0xdc/0x110
[  407.917762][  T541]  ? __kasan_kmalloc+0x9/0x10
[  407.922421][  T541]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  407.927946][  T541]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  407.934087][  T541]  ? delete_node+0x759/0x7b0
[  407.938656][  T541]  ? __kasan_check_read+0x11/0x20
[  407.943661][  T541]  ? idr_replace+0x1c4/0x230
[  407.948242][  T541]  ? idr_get_next+0x4b0/0x4b0
[  407.952895][  T541]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  407.957892][  T541]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  407.963065][  T541]  css_populate_dir+0x137/0x370
[  407.967888][  T541]  cgroup_apply_control_enable+0x8b9/0x12f0
[  407.973770][  T541]  cgroup_apply_control+0x93/0x710
[  407.978870][  T541]  ? css_next_child+0x160/0x160
[  407.983703][  T541]  ? stack_trace_save+0x12d/0x1f0
[  407.988709][  T541]  ? io_schedule+0x120/0x120
[  407.993276][  T541]  ? kernfs_fop_write_iter+0x15e/0x410
[  407.998713][  T541]  ? __kasan_check_write+0x14/0x20
[  408.003800][  T541]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  408.009061][  T541]  cgroup_subtree_control_write+0xd19/0x1310
[  408.015015][  T541]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  408.020970][  T541]  ? __kasan_check_write+0x14/0x20
[  408.026057][  T541]  ? _copy_from_iter+0x3fb/0xd60
[  408.031143][  T541]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  408.037095][  T541]  cgroup_file_write+0x28e/0x590
[  408.042007][  T541]  ? cgroup_seqfile_stop+0xc0/0xc0
[  408.047096][  T541]  ? mutex_lock+0xa6/0x110
[  408.051483][  T541]  ? mutex_trylock+0xb0/0xb0
[  408.056046][  T541]  ? __kasan_check_write+0x14/0x20
[  408.061134][  T541]  kernfs_fop_write_iter+0x2d0/0x410
[  408.066394][  T541]  ? cgroup_seqfile_stop+0xc0/0xc0
[  408.071479][  T541]  vfs_write+0xc1c/0xf40
[  408.075695][  T541]  ? slab_free_freelist_hook+0xcc/0x1a0
[  408.081214][  T541]  ? kernel_write+0x3c0/0x3c0
[  408.085881][  T541]  ? do_sys_openat2+0x397/0x470
[  408.090895][  T541]  ? __kasan_check_read+0x11/0x20
[  408.095905][  T541]  ? __fdget_pos+0x27e/0x310
[  408.100476][  T541]  ksys_write+0x198/0x2c0
[  408.104779][  T541]  ? __ia32_sys_read+0x90/0x90
[  408.109521][  T541]  ? debug_smp_processor_id+0x17/0x20
[  408.114867][  T541]  __x64_sys_write+0x7b/0x90
[  408.119430][  T541]  do_syscall_64+0x34/0x70
[  408.123818][  T541]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  408.129688][  T541] RIP: 0033:0x7efdb4cf77c9
[  408.134084][  T541] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  408.153677][  T541] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  408.162161][  T541] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  408.170124][  T541] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  408.178197][  T541] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  408.186183][  T541] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  408.194133][  T541] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001a
[  408.202212][  T541] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  408.238039][  T546] FAULT_INJECTION: forcing a failure.
[  408.238039][  T546] name failslab, interval 1, probability 0, space 0, times 0
[  408.250677][  T546] CPU: 0 PID: 546 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  408.262286][  T546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  408.272326][  T546] Call Trace:
[  408.275593][  T546]  dump_stack_lvl+0x1e2/0x24b
[  408.280244][  T546]  ? panic+0x7d7/0x7d7
[  408.284293][  T546]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  408.289735][  T546]  ? selinux_kernfs_init_security+0x1a8/0x760
[  408.295779][  T546]  dump_stack+0x15/0x17
[  408.299913][  T546]  should_fail+0x3c0/0x510
[  408.304308][  T546]  __should_failslab+0x9f/0xe0
[  408.309050][  T546]  should_failslab+0x9/0x20
[  408.313532][  T546]  kmem_cache_alloc+0x3f/0x300
[  408.318272][  T546]  ? __kernfs_new_node+0xdb/0x6e0
[  408.323275][  T546]  __kernfs_new_node+0xdb/0x6e0
[  408.328107][  T546]  ? is_module_text_address+0xe1/0x140
[  408.333541][  T546]  ? kernfs_new_node+0x170/0x170
[  408.338453][  T546]  ? ptr_to_hashval+0x60/0x60
[  408.343108][  T546]  ? arch_stack_walk+0xf8/0x140
[  408.347934][  T546]  ? snprintf+0xd6/0x120
[  408.352152][  T546]  kernfs_new_node+0x97/0x170
[  408.356803][  T546]  __kernfs_create_file+0x4a/0x270
[  408.361891][  T546]  cgroup_addrm_files+0xab8/0xfe0
[  408.366892][  T546]  ? ____kasan_kmalloc+0xdc/0x110
[  408.371891][  T546]  ? __kasan_kmalloc+0x9/0x10
[  408.376542][  T546]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  408.382176][  T546]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  408.388305][  T546]  ? delete_node+0x759/0x7b0
[  408.392872][  T546]  ? __kasan_check_read+0x11/0x20
[  408.397877][  T546]  ? delete_node+0x759/0x7b0
[  408.402455][  T546]  ? __kasan_check_write+0x14/0x20
[  408.407546][  T546]  ? idr_replace+0x1c4/0x230
[  408.412112][  T546]  ? idr_get_next+0x4b0/0x4b0
[  408.416762][  T546]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  408.421759][  T546]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  408.427017][  T546]  css_populate_dir+0x137/0x370
[  408.431846][  T546]  cgroup_apply_control_enable+0x8b9/0x12f0
[  408.437718][  T546]  cgroup_apply_control+0x93/0x710
[  408.442893][  T546]  ? css_next_child+0x160/0x160
[  408.447727][  T546]  ? stack_trace_save+0x12d/0x1f0
[  408.452738][  T546]  ? io_schedule+0x120/0x120
[  408.457303][  T546]  ? kernfs_fop_write_iter+0x15e/0x410
[  408.462738][  T546]  ? __kasan_check_write+0x14/0x20
[  408.467920][  T546]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  408.473185][  T546]  cgroup_subtree_control_write+0xd19/0x1310
[  408.479143][  T546]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  408.485115][  T546]  ? __kasan_check_write+0x14/0x20
[  408.490202][  T546]  ? _copy_from_iter+0x3fb/0xd60
[  408.495115][  T546]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  408.501076][  T546]  cgroup_file_write+0x28e/0x590
[  408.505993][  T546]  ? cgroup_seqfile_stop+0xc0/0xc0
[  408.511080][  T546]  ? mutex_lock+0xa6/0x110
[  408.515470][  T546]  ? mutex_trylock+0xb0/0xb0
[  408.520037][  T546]  ? __kasan_check_write+0x14/0x20
[  408.525125][  T546]  kernfs_fop_write_iter+0x2d0/0x410
[  408.530386][  T546]  ? cgroup_seqfile_stop+0xc0/0xc0
[  408.535473][  T546]  vfs_write+0xc1c/0xf40
[  408.539694][  T546]  ? slab_free_freelist_hook+0xcc/0x1a0
[  408.545214][  T546]  ? kernel_write+0x3c0/0x3c0
[  408.549869][  T546]  ? do_sys_openat2+0x397/0x470
[  408.554698][  T546]  ? __kasan_check_read+0x11/0x20
[  408.559713][  T546]  ? __fdget_pos+0x27e/0x310
[  408.564277][  T546]  ksys_write+0x198/0x2c0
[  408.568582][  T546]  ? __ia32_sys_read+0x90/0x90
[  408.573328][  T546]  ? debug_smp_processor_id+0x17/0x20
[  408.578676][  T546]  __x64_sys_write+0x7b/0x90
[  408.583241][  T546]  do_syscall_64+0x34/0x70
[  408.587643][  T546]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  408.593511][  T546] RIP: 0033:0x7efdb4cf77c9
[  408.597905][  T546] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  408.617571][  T546] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  408.625959][  T546] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  408.633930][  T546] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  408.641881][  T546] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  408.649831][  T546] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  408.657780][  T546] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001d
[  408.667043][  T546] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  408.698121][  T547] FAULT_INJECTION: forcing a failure.
[  408.698121][  T547] name failslab, interval 1, probability 0, space 0, times 0
[  408.710775][  T547] CPU: 0 PID: 547 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  408.722378][  T547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  408.732410][  T547] Call Trace:
[  408.735681][  T547]  dump_stack_lvl+0x1e2/0x24b
[  408.740333][  T547]  ? panic+0x7d7/0x7d7
[  408.744379][  T547]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  408.749810][  T547]  ? selinux_kernfs_init_security+0x1a8/0x760
[  408.755851][  T547]  dump_stack+0x15/0x17
[  408.759982][  T547]  should_fail+0x3c0/0x510
[  408.764414][  T547]  __should_failslab+0x9f/0xe0
[  408.769156][  T547]  should_failslab+0x9/0x20
[  408.773635][  T547]  kmem_cache_alloc+0x3f/0x300
[  408.778389][  T547]  ? __kernfs_new_node+0xdb/0x6e0
[  408.783390][  T547]  __kernfs_new_node+0xdb/0x6e0
[  408.788218][  T547]  ? is_module_text_address+0xe1/0x140
[  408.793650][  T547]  ? kernfs_new_node+0x170/0x170
[  408.798580][  T547]  ? ptr_to_hashval+0x60/0x60
[  408.803248][  T547]  ? arch_stack_walk+0xf8/0x140
[  408.808071][  T547]  ? snprintf+0xd6/0x120
[  408.812286][  T547]  kernfs_new_node+0x97/0x170
[  408.816940][  T547]  __kernfs_create_file+0x4a/0x270
[  408.822024][  T547]  cgroup_addrm_files+0xab8/0xfe0
[  408.827031][  T547]  ? ____kasan_kmalloc+0xdc/0x110
[  408.832029][  T547]  ? __kasan_kmalloc+0x9/0x10
[  408.837201][  T547]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  408.842735][  T547]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  408.848862][  T547]  ? delete_node+0x759/0x7b0
[  408.853426][  T547]  ? __kasan_check_read+0x11/0x20
[  408.858428][  T547]  ? delete_node+0x759/0x7b0
[  408.863004][  T547]  ? __kasan_check_write+0x14/0x20
[  408.868099][  T547]  ? idr_replace+0x1c4/0x230
[  408.872669][  T547]  ? idr_get_next+0x4b0/0x4b0
[  408.877335][  T547]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  408.882332][  T547]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  408.887502][  T547]  css_populate_dir+0x137/0x370
[  408.892323][  T547]  cgroup_apply_control_enable+0x8b9/0x12f0
[  408.898191][  T547]  cgroup_apply_control+0x93/0x710
[  408.903277][  T547]  ? css_next_child+0x160/0x160
[  408.908100][  T547]  ? io_schedule+0x120/0x120
[  408.912667][  T547]  ? kernfs_fop_write_iter+0x15e/0x410
[  408.918108][  T547]  ? __kasan_check_write+0x14/0x20
[  408.923197][  T547]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  408.928460][  T547]  cgroup_subtree_control_write+0xd19/0x1310
[  408.934421][  T547]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  408.940375][  T547]  ? __kasan_check_write+0x14/0x20
[  408.945457][  T547]  ? _copy_from_iter+0x3fb/0xd60
[  408.950412][  T547]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  408.956366][  T547]  cgroup_file_write+0x28e/0x590
[  408.961282][  T547]  ? cgroup_seqfile_stop+0xc0/0xc0
[  408.966391][  T547]  ? mutex_lock+0xa6/0x110
[  408.970782][  T547]  ? mutex_trylock+0xb0/0xb0
[  408.975344][  T547]  ? __kasan_check_write+0x14/0x20
[  408.980428][  T547]  kernfs_fop_write_iter+0x2d0/0x410
[  408.985688][  T547]  ? cgroup_seqfile_stop+0xc0/0xc0
[  408.990791][  T547]  vfs_write+0xc1c/0xf40
[  408.995007][  T547]  ? kernel_write+0x3c0/0x3c0
[  408.999685][  T547]  ? do_sys_openat2+0x397/0x470
[  409.004532][  T547]  ? __kasan_check_read+0x11/0x20
[  409.009531][  T547]  ? __fdget_pos+0x27e/0x310
[  409.014099][  T547]  ksys_write+0x198/0x2c0
[  409.018404][  T547]  ? __kasan_check_write+0x14/0x20
[  409.023498][  T547]  ? __ia32_sys_read+0x90/0x90
[  409.028238][  T547]  ? debug_smp_processor_id+0x17/0x20
[  409.033585][  T547]  __x64_sys_write+0x7b/0x90
[  409.038149][  T547]  do_syscall_64+0x34/0x70
[  409.042540][  T547]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  409.048403][  T547] RIP: 0033:0x7efdb4cf77c9
[  409.052795][  T547] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  409.072377][  T547] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  409.080762][  T547] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  409.088706][  T547] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  409.096658][  T547] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  409.104603][  T547] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  409.112559][  T547] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001c
[  409.120760][  T547] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  409.158241][  T543] FAULT_INJECTION: forcing a failure.
[  409.158241][  T543] name failslab, interval 1, probability 0, space 0, times 0
[  409.170936][  T543] CPU: 1 PID: 543 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  409.182644][  T543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  409.192677][  T543] Call Trace:
[  409.195946][  T543]  dump_stack_lvl+0x1e2/0x24b
[  409.200647][  T543]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  409.206086][  T543]  ? selinux_kernfs_init_security+0x1a8/0x760
[  409.212134][  T543]  dump_stack+0x15/0x17
[  409.216291][  T543]  should_fail+0x3c0/0x510
[  409.220689][  T543]  ? __kernfs_new_node+0x99/0x6e0
[  409.225690][  T543]  __should_failslab+0x9f/0xe0
[  409.230430][  T543]  should_failslab+0x9/0x20
[  409.234914][  T543]  __kmalloc_track_caller+0x5f/0x350
[  409.240270][  T543]  kstrdup_const+0x55/0x90
[  409.244678][  T543]  __kernfs_new_node+0x99/0x6e0
[  409.249508][  T543]  ? is_module_text_address+0xe1/0x140
[  409.254961][  T543]  ? kernfs_new_node+0x170/0x170
[  409.259873][  T543]  ? ptr_to_hashval+0x60/0x60
[  409.264523][  T543]  ? snprintf+0xd6/0x120
[  409.268762][  T543]  ? __kasan_check_write+0x14/0x20
[  409.273846][  T543]  ? mutex_unlock+0x1d/0x40
[  409.278324][  T543]  kernfs_new_node+0x97/0x170
[  409.283000][  T543]  __kernfs_create_file+0x4a/0x270
[  409.288107][  T543]  cgroup_addrm_files+0xab8/0xfe0
[  409.293113][  T543]  ? ____kasan_kmalloc+0xdc/0x110
[  409.298122][  T543]  ? __kasan_kmalloc+0x9/0x10
[  409.302774][  T543]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  409.308293][  T543]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  409.314418][  T543]  ? delete_node+0x759/0x7b0
[  409.318982][  T543]  ? __kasan_check_read+0x11/0x20
[  409.323982][  T543]  ? idr_replace+0x1c4/0x230
[  409.328546][  T543]  ? idr_get_next+0x4b0/0x4b0
[  409.333195][  T543]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  409.338192][  T543]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  409.343365][  T543]  css_populate_dir+0x137/0x370
[  409.348196][  T543]  cgroup_apply_control_enable+0x8b9/0x12f0
[  409.354061][  T543]  cgroup_apply_control+0x93/0x710
[  409.359143][  T543]  ? css_next_child+0x160/0x160
[  409.363964][  T543]  ? stack_trace_save+0x12d/0x1f0
[  409.368962][  T543]  ? io_schedule+0x120/0x120
[  409.373536][  T543]  ? kernfs_fop_write_iter+0x15e/0x410
[  409.378972][  T543]  ? __kasan_check_write+0x14/0x20
[  409.384057][  T543]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  409.390272][  T543]  cgroup_subtree_control_write+0xd19/0x1310
[  409.396225][  T543]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  409.402178][  T543]  ? __kasan_check_write+0x14/0x20
[  409.407278][  T543]  ? _copy_from_iter+0x3fb/0xd60
[  409.412190][  T543]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  409.418147][  T543]  cgroup_file_write+0x28e/0x590
[  409.423057][  T543]  ? cgroup_seqfile_stop+0xc0/0xc0
[  409.428149][  T543]  ? mutex_lock+0xa6/0x110
[  409.432539][  T543]  ? mutex_trylock+0xb0/0xb0
[  409.437104][  T543]  ? __kasan_check_write+0x14/0x20
[  409.442191][  T543]  kernfs_fop_write_iter+0x2d0/0x410
[  409.447450][  T543]  ? cgroup_seqfile_stop+0xc0/0xc0
[  409.452588][  T543]  vfs_write+0xc1c/0xf40
[  409.456816][  T543]  ? slab_free_freelist_hook+0xcc/0x1a0
[  409.462341][  T543]  ? kernel_write+0x3c0/0x3c0
[  409.467115][  T543]  ? do_sys_openat2+0x397/0x470
[  409.471939][  T543]  ? __kasan_check_read+0x11/0x20
[  409.476939][  T543]  ? __fdget_pos+0x27e/0x310
[  409.481504][  T543]  ksys_write+0x198/0x2c0
[  409.485807][  T543]  ? __ia32_sys_read+0x90/0x90
[  409.490562][  T543]  ? debug_smp_processor_id+0x17/0x20
[  409.495906][  T543]  __x64_sys_write+0x7b/0x90
[  409.500470][  T543]  do_syscall_64+0x34/0x70
[  409.504860][  T543]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  409.510723][  T543] RIP: 0033:0x7efdb4cf77c9
[  409.515110][  T543] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  409.534689][  T543] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  409.543161][  T543] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  409.551119][  T543] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  409.559064][  T543] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  409.567009][  T543] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  409.574955][  T543] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001d
[  409.582992][  T543] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  409.628177][  T551] FAULT_INJECTION: forcing a failure.
[  409.628177][  T551] name failslab, interval 1, probability 0, space 0, times 0
[  409.640810][  T551] CPU: 1 PID: 551 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  409.652518][  T551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  409.662647][  T551] Call Trace:
[  409.665916][  T551]  dump_stack_lvl+0x1e2/0x24b
[  409.670567][  T551]  ? panic+0x7d7/0x7d7
[  409.674630][  T551]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  409.680062][  T551]  ? selinux_kernfs_init_security+0x1a8/0x760
[  409.686111][  T551]  dump_stack+0x15/0x17
[  409.690329][  T551]  should_fail+0x3c0/0x510
[  409.694736][  T551]  __should_failslab+0x9f/0xe0
[  409.699483][  T551]  should_failslab+0x9/0x20
[  409.703960][  T551]  kmem_cache_alloc+0x3f/0x300
[  409.708717][  T551]  ? __kernfs_new_node+0xdb/0x6e0
[  409.713713][  T551]  __kernfs_new_node+0xdb/0x6e0
[  409.718541][  T551]  ? is_module_text_address+0xe1/0x140
[  409.723990][  T551]  ? kernfs_new_node+0x170/0x170
[  409.728917][  T551]  ? ptr_to_hashval+0x60/0x60
[  409.733576][  T551]  ? arch_stack_walk+0xf8/0x140
[  409.738400][  T551]  ? snprintf+0xd6/0x120
[  409.742615][  T551]  kernfs_new_node+0x97/0x170
[  409.747266][  T551]  __kernfs_create_file+0x4a/0x270
[  409.752348][  T551]  cgroup_addrm_files+0xab8/0xfe0
[  409.757355][  T551]  ? ____kasan_kmalloc+0xdc/0x110
[  409.762350][  T551]  ? __kasan_kmalloc+0x9/0x10
[  409.767000][  T551]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  409.772516][  T551]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  409.778642][  T551]  ? delete_node+0x759/0x7b0
[  409.783208][  T551]  ? __kasan_check_read+0x11/0x20
[  409.788217][  T551]  ? delete_node+0x759/0x7b0
[  409.792780][  T551]  ? __kasan_check_write+0x14/0x20
[  409.797863][  T551]  ? idr_replace+0x1c4/0x230
[  409.802424][  T551]  ? idr_get_next+0x4b0/0x4b0
[  409.807072][  T551]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  409.812063][  T551]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  409.817237][  T551]  css_populate_dir+0x137/0x370
[  409.822057][  T551]  cgroup_apply_control_enable+0x8b9/0x12f0
[  409.827924][  T551]  cgroup_apply_control+0x93/0x710
[  409.833018][  T551]  ? css_next_child+0x160/0x160
[  409.837841][  T551]  ? stack_trace_save+0x12d/0x1f0
[  409.842838][  T551]  ? io_schedule+0x120/0x120
[  409.847397][  T551]  ? kernfs_fop_write_iter+0x15e/0x410
[  409.852842][  T551]  ? __kasan_check_write+0x14/0x20
[  409.857932][  T551]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  409.863192][  T551]  cgroup_subtree_control_write+0xd19/0x1310
[  409.869162][  T551]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  409.875115][  T551]  ? __kasan_check_write+0x14/0x20
[  409.880202][  T551]  ? _copy_from_iter+0x3fb/0xd60
[  409.885111][  T551]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  409.891066][  T551]  cgroup_file_write+0x28e/0x590
[  409.895974][  T551]  ? cgroup_seqfile_stop+0xc0/0xc0
[  409.901064][  T551]  ? mutex_lock+0xa6/0x110
[  409.905449][  T551]  ? mutex_trylock+0xb0/0xb0
[  409.910012][  T551]  ? __kasan_check_write+0x14/0x20
[  409.915096][  T551]  kernfs_fop_write_iter+0x2d0/0x410
[  409.920350][  T551]  ? cgroup_seqfile_stop+0xc0/0xc0
[  409.925430][  T551]  vfs_write+0xc1c/0xf40
[  409.929730][  T551]  ? slab_free_freelist_hook+0xcc/0x1a0
[  409.935249][  T551]  ? kernel_write+0x3c0/0x3c0
[  409.939899][  T551]  ? do_sys_openat2+0x397/0x470
[  409.944736][  T551]  ? __kasan_check_read+0x11/0x20
[  409.949738][  T551]  ? __fdget_pos+0x27e/0x310
[  409.954303][  T551]  ksys_write+0x198/0x2c0
[  409.958610][  T551]  ? __ia32_sys_read+0x90/0x90
[  409.963354][  T551]  ? debug_smp_processor_id+0x17/0x20
[  409.968709][  T551]  __x64_sys_write+0x7b/0x90
[  409.973275][  T551]  do_syscall_64+0x34/0x70
[  409.977666][  T551]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  409.983537][  T551] RIP: 0033:0x7efdb4cf77c9
[  409.987928][  T551] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  410.007596][  T551] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  410.015990][  T551] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  410.023958][  T551] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  410.031914][  T551] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  410.039987][  T551] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  410.047938][  T551] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001e
[  410.056015][  T551] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  410.098219][  T548] FAULT_INJECTION: forcing a failure.
[  410.098219][  T548] name failslab, interval 1, probability 0, space 0, times 0
[  410.110851][  T548] CPU: 0 PID: 548 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  410.122459][  T548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  410.132491][  T548] Call Trace:
[  410.135761][  T548]  dump_stack_lvl+0x1e2/0x24b
[  410.140411][  T548]  ? panic+0x7d7/0x7d7
[  410.144496][  T548]  ? arch_stack_walk+0x106/0x140
[  410.149507][  T548]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  410.154943][  T548]  ? do_syscall_64+0x34/0x70
[  410.159527][  T548]  dump_stack+0x15/0x17
[  410.163657][  T548]  should_fail+0x3c0/0x510
[  410.168070][  T548]  __should_failslab+0x9f/0xe0
[  410.172820][  T548]  should_failslab+0x9/0x20
[  410.177323][  T548]  kmem_cache_alloc+0x3f/0x300
[  410.182062][  T548]  ? __kernfs_new_node+0xdb/0x6e0
[  410.187076][  T548]  __kernfs_new_node+0xdb/0x6e0
[  410.191902][  T548]  ? is_module_text_address+0xe1/0x140
[  410.197334][  T548]  ? kernfs_new_node+0x170/0x170
[  410.202249][  T548]  ? ptr_to_hashval+0x60/0x60
[  410.206899][  T548]  ? arch_stack_walk+0xf8/0x140
[  410.211726][  T548]  ? snprintf+0xd6/0x120
[  410.215947][  T548]  kernfs_new_node+0x97/0x170
[  410.220601][  T548]  __kernfs_create_file+0x4a/0x270
[  410.225692][  T548]  cgroup_addrm_files+0xab8/0xfe0
[  410.230717][  T548]  ? ____kasan_kmalloc+0xdc/0x110
[  410.235713][  T548]  ? __kasan_kmalloc+0x9/0x10
[  410.240381][  T548]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  410.245900][  T548]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  410.252024][  T548]  ? delete_node+0x759/0x7b0
[  410.256600][  T548]  ? __kasan_check_read+0x11/0x20
[  410.261597][  T548]  ? delete_node+0x759/0x7b0
[  410.266169][  T548]  ? __kasan_check_write+0x14/0x20
[  410.271257][  T548]  ? idr_replace+0x1c4/0x230
[  410.275820][  T548]  ? idr_get_next+0x4b0/0x4b0
[  410.280487][  T548]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  410.285484][  T548]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  410.290656][  T548]  css_populate_dir+0x137/0x370
[  410.295481][  T548]  cgroup_apply_control_enable+0x8b9/0x12f0
[  410.301351][  T548]  cgroup_apply_control+0x93/0x710
[  410.306435][  T548]  ? css_next_child+0x160/0x160
[  410.311259][  T548]  ? stack_trace_save+0x12d/0x1f0
[  410.316255][  T548]  ? io_schedule+0x120/0x120
[  410.320817][  T548]  ? kernfs_fop_write_iter+0x15e/0x410
[  410.326249][  T548]  ? __kasan_check_write+0x14/0x20
[  410.331338][  T548]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  410.336596][  T548]  cgroup_subtree_control_write+0xd19/0x1310
[  410.342560][  T548]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  410.348524][  T548]  ? __kasan_check_write+0x14/0x20
[  410.353610][  T548]  ? _copy_from_iter+0x3fb/0xd60
[  410.358520][  T548]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  410.364473][  T548]  cgroup_file_write+0x28e/0x590
[  410.369389][  T548]  ? cgroup_seqfile_stop+0xc0/0xc0
[  410.374474][  T548]  ? mutex_lock+0xa6/0x110
[  410.378864][  T548]  ? mutex_trylock+0xb0/0xb0
[  410.383446][  T548]  ? __kasan_check_write+0x14/0x20
[  410.388532][  T548]  kernfs_fop_write_iter+0x2d0/0x410
[  410.393798][  T548]  ? cgroup_seqfile_stop+0xc0/0xc0
[  410.398893][  T548]  vfs_write+0xc1c/0xf40
[  410.403107][  T548]  ? slab_free_freelist_hook+0xcc/0x1a0
[  410.408625][  T548]  ? kernel_write+0x3c0/0x3c0
[  410.413273][  T548]  ? do_sys_openat2+0x397/0x470
[  410.418116][  T548]  ? __kasan_check_read+0x11/0x20
[  410.423114][  T548]  ? __fdget_pos+0x27e/0x310
[  410.427775][  T548]  ksys_write+0x198/0x2c0
[  410.432079][  T548]  ? __ia32_sys_read+0x90/0x90
[  410.436821][  T548]  ? debug_smp_processor_id+0x17/0x20
[  410.442165][  T548]  __x64_sys_write+0x7b/0x90
[  410.446814][  T548]  do_syscall_64+0x34/0x70
[  410.451204][  T548]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  410.457077][  T548] RIP: 0033:0x7efdb4cf77c9
[  410.461483][  T548] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  410.481070][  T548] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  410.489468][  T548] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  410.497419][  T548] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  410.505382][  T548] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  410.513330][  T548] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  410.521283][  T548] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001b
[  410.529340][  T548] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  410.568137][  T544] FAULT_INJECTION: forcing a failure.
[  410.568137][  T544] name failslab, interval 1, probability 0, space 0, times 0
[  410.580766][  T544] CPU: 1 PID: 544 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  410.592472][  T544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  410.602513][  T544] Call Trace:
[  410.605788][  T544]  dump_stack_lvl+0x1e2/0x24b
[  410.610532][  T544]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  410.616003][  T544]  ? selinux_kernfs_init_security+0x1a8/0x760
[  410.622050][  T544]  dump_stack+0x15/0x17
[  410.626186][  T544]  should_fail+0x3c0/0x510
[  410.630581][  T544]  ? __kernfs_new_node+0x99/0x6e0
[  410.635596][  T544]  __should_failslab+0x9f/0xe0
[  410.640356][  T544]  should_failslab+0x9/0x20
[  410.644938][  T544]  __kmalloc_track_caller+0x5f/0x350
[  410.650305][  T544]  kstrdup_const+0x55/0x90
[  410.654719][  T544]  __kernfs_new_node+0x99/0x6e0
[  410.659641][  T544]  ? is_module_text_address+0xe1/0x140
[  410.665088][  T544]  ? kernfs_new_node+0x170/0x170
[  410.670012][  T544]  ? ptr_to_hashval+0x60/0x60
[  410.674690][  T544]  ? arch_stack_walk+0xf8/0x140
[  410.679526][  T544]  ? snprintf+0xd6/0x120
[  410.684011][  T544]  kernfs_new_node+0x97/0x170
[  410.688678][  T544]  __kernfs_create_file+0x4a/0x270
[  410.693776][  T544]  cgroup_addrm_files+0xab8/0xfe0
[  410.698791][  T544]  ? ____kasan_kmalloc+0xdc/0x110
[  410.703814][  T544]  ? __kasan_kmalloc+0x9/0x10
[  410.708560][  T544]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  410.714188][  T544]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  410.720323][  T544]  ? delete_node+0x759/0x7b0
[  410.724893][  T544]  ? __kasan_check_read+0x11/0x20
[  410.729907][  T544]  ? delete_node+0x759/0x7b0
[  410.734506][  T544]  ? __kasan_check_write+0x14/0x20
[  410.739596][  T544]  ? idr_replace+0x1c4/0x230
[  410.744164][  T544]  ? idr_get_next+0x4b0/0x4b0
[  410.748820][  T544]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  410.753846][  T544]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  410.759117][  T544]  css_populate_dir+0x137/0x370
[  410.763947][  T544]  cgroup_apply_control_enable+0x8b9/0x12f0
[  410.769816][  T544]  cgroup_apply_control+0x93/0x710
[  410.774923][  T544]  ? css_next_child+0x160/0x160
[  410.779749][  T544]  ? stack_trace_save+0x12d/0x1f0
[  410.784750][  T544]  ? io_schedule+0x120/0x120
[  410.789324][  T544]  ? kernfs_fop_write_iter+0x15e/0x410
[  410.794852][  T544]  ? __kasan_check_write+0x14/0x20
[  410.799948][  T544]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  410.805214][  T544]  cgroup_subtree_control_write+0xd19/0x1310
[  410.811170][  T544]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  410.817130][  T544]  ? __kasan_check_write+0x14/0x20
[  410.822221][  T544]  ? _copy_from_iter+0x3fb/0xd60
[  410.827132][  T544]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  410.833086][  T544]  cgroup_file_write+0x28e/0x590
[  410.838013][  T544]  ? cgroup_seqfile_stop+0xc0/0xc0
[  410.843102][  T544]  ? mutex_lock+0xa6/0x110
[  410.847492][  T544]  ? mutex_trylock+0xb0/0xb0
[  410.852058][  T544]  ? __kasan_check_write+0x14/0x20
[  410.857144][  T544]  kernfs_fop_write_iter+0x2d0/0x410
[  410.862419][  T544]  ? cgroup_seqfile_stop+0xc0/0xc0
[  410.867507][  T544]  vfs_write+0xc1c/0xf40
[  410.871724][  T544]  ? slab_free_freelist_hook+0xcc/0x1a0
[  410.877249][  T544]  ? kernel_write+0x3c0/0x3c0
[  410.881906][  T544]  ? do_sys_openat2+0x397/0x470
[  410.886732][  T544]  ? __kasan_check_read+0x11/0x20
[  410.891734][  T544]  ? __fdget_pos+0x27e/0x310
[  410.896299][  T544]  ksys_write+0x198/0x2c0
[  410.900606][  T544]  ? __ia32_sys_read+0x90/0x90
[  410.905350][  T544]  ? debug_smp_processor_id+0x17/0x20
[  410.910695][  T544]  __x64_sys_write+0x7b/0x90
[  410.915263][  T544]  do_syscall_64+0x34/0x70
[  410.919660][  T544]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  410.925527][  T544] RIP: 0033:0x7efdb4cf77c9
[  410.929918][  T544] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  410.949499][  T544] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  410.957889][  T544] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  410.965837][  T544] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  410.973919][  T544] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  410.981901][  T544] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  410.989858][  T544] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001b
[  410.998043][  T544] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  411.028027][  T552] FAULT_INJECTION: forcing a failure.
[  411.028027][  T552] name failslab, interval 1, probability 0, space 0, times 0
[  411.040735][  T552] CPU: 0 PID: 552 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  411.052742][  T552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  411.062776][  T552] Call Trace:
[  411.066046][  T552]  dump_stack_lvl+0x1e2/0x24b
[  411.070701][  T552]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  411.076138][  T552]  ? selinux_kernfs_init_security+0x1a8/0x760
[  411.082180][  T552]  dump_stack+0x15/0x17
[  411.086315][  T552]  should_fail+0x3c0/0x510
[  411.090723][  T552]  ? __kernfs_new_node+0x99/0x6e0
[  411.095723][  T552]  __should_failslab+0x9f/0xe0
[  411.100482][  T552]  should_failslab+0x9/0x20
[  411.104970][  T552]  __kmalloc_track_caller+0x5f/0x350
[  411.110234][  T552]  kstrdup_const+0x55/0x90
[  411.114711][  T552]  __kernfs_new_node+0x99/0x6e0
[  411.119664][  T552]  ? is_module_text_address+0xe1/0x140
[  411.125099][  T552]  ? kernfs_new_node+0x170/0x170
[  411.130022][  T552]  ? ptr_to_hashval+0x60/0x60
[  411.134695][  T552]  ? arch_stack_walk+0xf8/0x140
[  411.139559][  T552]  ? snprintf+0xd6/0x120
[  411.143779][  T552]  kernfs_new_node+0x97/0x170
[  411.148447][  T552]  __kernfs_create_file+0x4a/0x270
[  411.153542][  T552]  cgroup_addrm_files+0xab8/0xfe0
[  411.158551][  T552]  ? ____kasan_kmalloc+0xdc/0x110
[  411.163569][  T552]  ? __kasan_kmalloc+0x9/0x10
[  411.168229][  T552]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  411.173754][  T552]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  411.179901][  T552]  ? delete_node+0x759/0x7b0
[  411.184602][  T552]  ? __kasan_check_read+0x11/0x20
[  411.189711][  T552]  ? delete_node+0x759/0x7b0
[  411.194291][  T552]  ? __kasan_check_write+0x14/0x20
[  411.199399][  T552]  ? idr_replace+0x1c4/0x230
[  411.203982][  T552]  ? idr_get_next+0x4b0/0x4b0
[  411.208644][  T552]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  411.213649][  T552]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  411.218932][  T552]  css_populate_dir+0x137/0x370
[  411.223762][  T552]  cgroup_apply_control_enable+0x8b9/0x12f0
[  411.229636][  T552]  cgroup_apply_control+0x93/0x710
[  411.234722][  T552]  ? css_next_child+0x160/0x160
[  411.239566][  T552]  ? stack_trace_save+0x12d/0x1f0
[  411.244582][  T552]  ? io_schedule+0x120/0x120
[  411.249166][  T552]  ? kernfs_fop_write_iter+0x15e/0x410
[  411.254617][  T552]  ? __kasan_check_write+0x14/0x20
[  411.259725][  T552]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  411.264993][  T552]  cgroup_subtree_control_write+0xd19/0x1310
[  411.270960][  T552]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  411.276931][  T552]  ? __kasan_check_write+0x14/0x20
[  411.282018][  T552]  ? _copy_from_iter+0x3fb/0xd60
[  411.286932][  T552]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  411.292887][  T552]  cgroup_file_write+0x28e/0x590
[  411.297807][  T552]  ? cgroup_seqfile_stop+0xc0/0xc0
[  411.302893][  T552]  ? mutex_lock+0xa6/0x110
[  411.307300][  T552]  ? mutex_trylock+0xb0/0xb0
[  411.311961][  T552]  ? __kasan_check_write+0x14/0x20
[  411.317147][  T552]  kernfs_fop_write_iter+0x2d0/0x410
[  411.322409][  T552]  ? cgroup_seqfile_stop+0xc0/0xc0
[  411.327512][  T552]  vfs_write+0xc1c/0xf40
[  411.331730][  T552]  ? slab_free_freelist_hook+0xcc/0x1a0
[  411.337256][  T552]  ? kernel_write+0x3c0/0x3c0
[  411.341915][  T552]  ? do_sys_openat2+0x397/0x470
[  411.346762][  T552]  ? __kasan_check_read+0x11/0x20
[  411.351779][  T552]  ? __fdget_pos+0x27e/0x310
[  411.356355][  T552]  ksys_write+0x198/0x2c0
[  411.360683][  T552]  ? __ia32_sys_read+0x90/0x90
[  411.365434][  T552]  ? debug_smp_processor_id+0x17/0x20
[  411.370806][  T552]  __x64_sys_write+0x7b/0x90
[  411.375372][  T552]  do_syscall_64+0x34/0x70
[  411.379764][  T552]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  411.385628][  T552] RIP: 0033:0x7efdb4cf77c9
[  411.390034][  T552] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  411.409614][  T552] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  411.418003][  T552] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  411.425965][  T552] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  411.433917][  T552] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  411.441869][  T552] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  411.449818][  T552] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001f
[  411.457932][  T552] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  411.488076][  T545] FAULT_INJECTION: forcing a failure.
[  411.488076][  T545] name failslab, interval 1, probability 0, space 0, times 0
[  411.500732][  T545] CPU: 0 PID: 545 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  411.512363][  T545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  411.522424][  T545] Call Trace:
[  411.525706][  T545]  dump_stack_lvl+0x1e2/0x24b
[  411.530366][  T545]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  411.535820][  T545]  ? selinux_kernfs_init_security+0x1a8/0x760
[  411.541870][  T545]  dump_stack+0x15/0x17
[  411.546008][  T545]  should_fail+0x3c0/0x510
[  411.550402][  T545]  ? __kernfs_new_node+0x99/0x6e0
[  411.555408][  T545]  __should_failslab+0x9f/0xe0
[  411.560153][  T545]  should_failslab+0x9/0x20
[  411.564630][  T545]  __kmalloc_track_caller+0x5f/0x350
[  411.569889][  T545]  kstrdup_const+0x55/0x90
[  411.574282][  T545]  __kernfs_new_node+0x99/0x6e0
[  411.579104][  T545]  ? is_module_text_address+0xe1/0x140
[  411.584536][  T545]  ? kernfs_new_node+0x170/0x170
[  411.589449][  T545]  ? ptr_to_hashval+0x60/0x60
[  411.594099][  T545]  ? snprintf+0xd6/0x120
[  411.598318][  T545]  ? __kasan_check_write+0x14/0x20
[  411.603408][  T545]  ? mutex_unlock+0x1d/0x40
[  411.607887][  T545]  kernfs_new_node+0x97/0x170
[  411.612535][  T545]  __kernfs_create_file+0x4a/0x270
[  411.617618][  T545]  cgroup_addrm_files+0xab8/0xfe0
[  411.622616][  T545]  ? ____kasan_kmalloc+0xdc/0x110
[  411.627631][  T545]  ? __kasan_kmalloc+0x9/0x10
[  411.632285][  T545]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  411.637802][  T545]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  411.643929][  T545]  ? delete_node+0x759/0x7b0
[  411.648511][  T545]  ? __kasan_check_read+0x11/0x20
[  411.653533][  T545]  ? idr_replace+0x1c4/0x230
[  411.658100][  T545]  ? idr_get_next+0x4b0/0x4b0
[  411.662753][  T545]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  411.667905][  T545]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  411.673084][  T545]  css_populate_dir+0x137/0x370
[  411.677933][  T545]  cgroup_apply_control_enable+0x8b9/0x12f0
[  411.683821][  T545]  cgroup_apply_control+0x93/0x710
[  411.688903][  T545]  ? css_next_child+0x160/0x160
[  411.693743][  T545]  ? stack_trace_save+0x12d/0x1f0
[  411.698742][  T545]  ? io_schedule+0x120/0x120
[  411.703309][  T545]  ? kernfs_fop_write_iter+0x15e/0x410
[  411.708740][  T545]  ? __kasan_check_write+0x14/0x20
[  411.713825][  T545]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  411.719086][  T545]  cgroup_subtree_control_write+0xd19/0x1310
[  411.725041][  T545]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  411.730997][  T545]  ? __kasan_check_write+0x14/0x20
[  411.736082][  T545]  ? _copy_from_iter+0x3fb/0xd60
[  411.740992][  T545]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  411.746960][  T545]  cgroup_file_write+0x28e/0x590
[  411.751887][  T545]  ? cgroup_seqfile_stop+0xc0/0xc0
[  411.756991][  T545]  ? mutex_lock+0xa6/0x110
[  411.761385][  T545]  ? mutex_trylock+0xb0/0xb0
[  411.765968][  T545]  ? __kasan_check_write+0x14/0x20
[  411.771053][  T545]  kernfs_fop_write_iter+0x2d0/0x410
[  411.776311][  T545]  ? cgroup_seqfile_stop+0xc0/0xc0
[  411.781400][  T545]  vfs_write+0xc1c/0xf40
[  411.785615][  T545]  ? slab_free_freelist_hook+0xcc/0x1a0
[  411.791137][  T545]  ? kernel_write+0x3c0/0x3c0
[  411.795785][  T545]  ? do_sys_openat2+0x397/0x470
[  411.800609][  T545]  ? __kasan_check_read+0x11/0x20
[  411.805624][  T545]  ? __fdget_pos+0x27e/0x310
[  411.810187][  T545]  ksys_write+0x198/0x2c0
[  411.814492][  T545]  ? __ia32_sys_read+0x90/0x90
[  411.819235][  T545]  ? debug_smp_processor_id+0x17/0x20
[  411.824595][  T545]  __x64_sys_write+0x7b/0x90
[  411.829166][  T545]  do_syscall_64+0x34/0x70
[  411.833571][  T545]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  411.839524][  T545] RIP: 0033:0x7efdb4cf77c9
[  411.843913][  T545] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  411.863492][  T545] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  411.871882][  T545] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  411.879843][  T545] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
executing program
[  411.887793][  T545] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  411.895749][  T545] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  411.903702][  T545] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000018
[  411.913380][  T545] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  411.958097][  T553] FAULT_INJECTION: forcing a failure.
[  411.958097][  T553] name failslab, interval 1, probability 0, space 0, times 0
[  411.970824][  T553] CPU: 1 PID: 553 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  411.982537][  T553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  411.992569][  T553] Call Trace:
[  411.995843][  T553]  dump_stack_lvl+0x1e2/0x24b
[  412.000500][  T553]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  412.005935][  T553]  ? selinux_kernfs_init_security+0x1a8/0x760
[  412.011984][  T553]  dump_stack+0x15/0x17
[  412.016122][  T553]  should_fail+0x3c0/0x510
[  412.020520][  T553]  ? __kernfs_new_node+0x99/0x6e0
[  412.025517][  T553]  __should_failslab+0x9f/0xe0
[  412.030423][  T553]  should_failslab+0x9/0x20
[  412.034899][  T553]  __kmalloc_track_caller+0x5f/0x350
[  412.040160][  T553]  kstrdup_const+0x55/0x90
[  412.044558][  T553]  __kernfs_new_node+0x99/0x6e0
[  412.049383][  T553]  ? is_module_text_address+0xe1/0x140
[  412.054831][  T553]  ? kernfs_new_node+0x170/0x170
[  412.059759][  T553]  ? ptr_to_hashval+0x60/0x60
[  412.064599][  T553]  ? snprintf+0xd6/0x120
[  412.068816][  T553]  ? __kasan_check_write+0x14/0x20
[  412.073900][  T553]  ? mutex_unlock+0x1d/0x40
[  412.078384][  T553]  kernfs_new_node+0x97/0x170
[  412.083045][  T553]  __kernfs_create_file+0x4a/0x270
[  412.088138][  T553]  cgroup_addrm_files+0xab8/0xfe0
[  412.093148][  T553]  ? ____kasan_kmalloc+0xdc/0x110
[  412.098145][  T553]  ? __kasan_kmalloc+0x9/0x10
[  412.102798][  T553]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  412.108317][  T553]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  412.114442][  T553]  ? delete_node+0x759/0x7b0
[  412.119009][  T553]  ? __kasan_check_read+0x11/0x20
[  412.124017][  T553]  ? idr_replace+0x1c4/0x230
[  412.128623][  T553]  ? idr_get_next+0x4b0/0x4b0
[  412.133452][  T553]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  412.138466][  T553]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  412.143647][  T553]  css_populate_dir+0x137/0x370
[  412.148478][  T553]  cgroup_apply_control_enable+0x8b9/0x12f0
[  412.154608][  T553]  cgroup_apply_control+0x93/0x710
[  412.159954][  T553]  ? css_next_child+0x160/0x160
[  412.164795][  T553]  ? stack_trace_save+0x12d/0x1f0
[  412.169792][  T553]  ? io_schedule+0x120/0x120
[  412.174356][  T553]  ? kernfs_fop_write_iter+0x15e/0x410
[  412.179785][  T553]  ? __kasan_check_write+0x14/0x20
[  412.184870][  T553]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  412.190128][  T553]  cgroup_subtree_control_write+0xd19/0x1310
[  412.196079][  T553]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  412.202078][  T553]  ? __kasan_check_write+0x14/0x20
[  412.207160][  T553]  ? _copy_from_iter+0x3fb/0xd60
[  412.212078][  T553]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  412.218029][  T553]  cgroup_file_write+0x28e/0x590
[  412.222937][  T553]  ? cgroup_seqfile_stop+0xc0/0xc0
[  412.228037][  T553]  ? mutex_lock+0xa6/0x110
[  412.232512][  T553]  ? mutex_trylock+0xb0/0xb0
[  412.237091][  T553]  ? __kasan_check_write+0x14/0x20
[  412.242186][  T553]  kernfs_fop_write_iter+0x2d0/0x410
[  412.247446][  T553]  ? cgroup_seqfile_stop+0xc0/0xc0
[  412.252531][  T553]  vfs_write+0xc1c/0xf40
[  412.256748][  T553]  ? slab_free_freelist_hook+0xcc/0x1a0
[  412.262271][  T553]  ? kernel_write+0x3c0/0x3c0
[  412.266921][  T553]  ? do_sys_openat2+0x397/0x470
[  412.271745][  T553]  ? __kasan_check_read+0x11/0x20
[  412.276738][  T553]  ? __fdget_pos+0x27e/0x310
[  412.281300][  T553]  ksys_write+0x198/0x2c0
[  412.285603][  T553]  ? __ia32_sys_read+0x90/0x90
[  412.290354][  T553]  ? debug_smp_processor_id+0x17/0x20
[  412.295703][  T553]  __x64_sys_write+0x7b/0x90
[  412.300266][  T553]  do_syscall_64+0x34/0x70
[  412.304655][  T553]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  412.310535][  T553] RIP: 0033:0x7efdb4cf77c9
[  412.314927][  T553] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  412.334503][  T553] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  412.342888][  T553] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  412.350836][  T553] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  412.358799][  T553] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  412.366765][  T553] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  412.374720][  T553] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001c
[  412.382780][  T553] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  412.428095][  T549] FAULT_INJECTION: forcing a failure.
[  412.428095][  T549] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[  412.441491][  T549] CPU: 1 PID: 549 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  412.453106][  T549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  412.463190][  T549] Call Trace:
[  412.466488][  T549]  dump_stack_lvl+0x1e2/0x24b
[  412.471154][  T549]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  412.476604][  T549]  ? stack_trace_save+0x12d/0x1f0
[  412.481620][  T549]  dump_stack+0x15/0x17
[  412.485836][  T549]  should_fail+0x3c0/0x510
[  412.490230][  T549]  should_fail_alloc_page+0x50/0x60
[  412.495402][  T549]  __alloc_pages_nodemask+0x1c0/0x890
[  412.500753][  T549]  ? mutex_trylock+0xb0/0xb0
[  412.505317][  T549]  ? gfp_pfmemalloc_allowed+0x120/0x120
[  412.510838][  T549]  ? mutex_unlock+0x1d/0x40
[  412.515315][  T549]  ? kernfs_xattr_get+0x80/0x90
[  412.520145][  T549]  ? selinux_kernfs_init_security+0x1a8/0x760
[  412.526186][  T549]  allocate_slab+0x78/0x540
[  412.530671][  T549]  ___slab_alloc+0x131/0x2e0
[  412.535250][  T549]  ? __kernfs_new_node+0xdb/0x6e0
[  412.540247][  T549]  __slab_alloc+0x63/0xa0
[  412.544547][  T549]  ? __kernfs_new_node+0xdb/0x6e0
[  412.549544][  T549]  kmem_cache_alloc+0x1ef/0x300
[  412.554373][  T549]  ? __kernfs_new_node+0xdb/0x6e0
[  412.559372][  T549]  __kernfs_new_node+0xdb/0x6e0
[  412.564196][  T549]  ? is_module_text_address+0xe1/0x140
[  412.569720][  T549]  ? kernfs_new_node+0x170/0x170
[  412.574631][  T549]  ? ptr_to_hashval+0x60/0x60
[  412.579284][  T549]  ? arch_stack_walk+0xf8/0x140
[  412.584111][  T549]  ? snprintf+0xd6/0x120
[  412.588324][  T549]  kernfs_new_node+0x97/0x170
[  412.592976][  T549]  __kernfs_create_file+0x4a/0x270
[  412.598087][  T549]  cgroup_addrm_files+0xab8/0xfe0
[  412.603091][  T549]  ? ____kasan_kmalloc+0xdc/0x110
[  412.608089][  T549]  ? __kasan_kmalloc+0x9/0x10
[  412.612742][  T549]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  412.618263][  T549]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  412.624403][  T549]  ? delete_node+0x759/0x7b0
[  412.628966][  T549]  ? __kasan_check_read+0x11/0x20
[  412.633982][  T549]  ? delete_node+0x759/0x7b0
[  412.638569][  T549]  ? __kasan_check_write+0x14/0x20
[  412.643666][  T549]  ? idr_replace+0x1c4/0x230
[  412.648229][  T549]  ? idr_get_next+0x4b0/0x4b0
[  412.652876][  T549]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  412.657978][  T549]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  412.663160][  T549]  css_populate_dir+0x137/0x370
[  412.668105][  T549]  cgroup_apply_control_enable+0x8b9/0x12f0
[  412.673981][  T549]  cgroup_apply_control+0x93/0x710
[  412.679070][  T549]  ? css_next_child+0x160/0x160
[  412.683894][  T549]  ? stack_trace_save+0x12d/0x1f0
[  412.688893][  T549]  ? io_schedule+0x120/0x120
[  412.693456][  T549]  ? kernfs_fop_write_iter+0x15e/0x410
[  412.698886][  T549]  ? __kasan_check_write+0x14/0x20
[  412.703971][  T549]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  412.709231][  T549]  cgroup_subtree_control_write+0xd19/0x1310
[  412.715185][  T549]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  412.721135][  T549]  ? __kasan_check_write+0x14/0x20
[  412.726215][  T549]  ? _copy_from_iter+0x3fb/0xd60
[  412.731125][  T549]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  412.737074][  T549]  cgroup_file_write+0x28e/0x590
[  412.741986][  T549]  ? cgroup_seqfile_stop+0xc0/0xc0
[  412.747075][  T549]  ? mutex_lock+0xa6/0x110
[  412.751463][  T549]  ? mutex_trylock+0xb0/0xb0
[  412.756027][  T549]  ? __kasan_check_write+0x14/0x20
[  412.761111][  T549]  kernfs_fop_write_iter+0x2d0/0x410
[  412.766374][  T549]  ? cgroup_seqfile_stop+0xc0/0xc0
[  412.771454][  T549]  vfs_write+0xc1c/0xf40
[  412.775668][  T549]  ? slab_free_freelist_hook+0xcc/0x1a0
[  412.781186][  T549]  ? kernel_write+0x3c0/0x3c0
[  412.785831][  T549]  ? do_sys_openat2+0x397/0x470
[  412.790653][  T549]  ? __kasan_check_read+0x11/0x20
[  412.795647][  T549]  ? __fdget_pos+0x27e/0x310
[  412.800209][  T549]  ksys_write+0x198/0x2c0
[  412.804514][  T549]  ? __ia32_sys_read+0x90/0x90
[  412.809248][  T549]  ? debug_smp_processor_id+0x17/0x20
[  412.814589][  T549]  __x64_sys_write+0x7b/0x90
[  412.819148][  T549]  do_syscall_64+0x34/0x70
[  412.823538][  T549]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  412.829401][  T549] RIP: 0033:0x7efdb4cf77c9
[  412.833787][  T549] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  412.853365][  T549] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  412.861770][  T549] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  412.869715][  T549] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  412.877663][  T549] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  412.885612][  T549] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  412.893555][  T549] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001e
[  412.928268][  T556] FAULT_INJECTION: forcing a failure.
[  412.928268][  T556] name failslab, interval 1, probability 0, space 0, times 0
[  412.940871][  T556] CPU: 0 PID: 556 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  412.952496][  T556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  412.962529][  T556] Call Trace:
[  412.965798][  T556]  dump_stack_lvl+0x1e2/0x24b
[  412.970456][  T556]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  412.975899][  T556]  ? selinux_kernfs_init_security+0x1a8/0x760
[  412.981996][  T556]  dump_stack+0x15/0x17
[  412.986141][  T556]  should_fail+0x3c0/0x510
[  412.990531][  T556]  ? __kernfs_new_node+0x99/0x6e0
[  412.995527][  T556]  __should_failslab+0x9f/0xe0
[  413.000263][  T556]  should_failslab+0x9/0x20
[  413.004737][  T556]  __kmalloc_track_caller+0x5f/0x350
[  413.010016][  T556]  kstrdup_const+0x55/0x90
[  413.014406][  T556]  __kernfs_new_node+0x99/0x6e0
[  413.019238][  T556]  ? is_module_text_address+0xe1/0x140
[  413.024685][  T556]  ? kernfs_new_node+0x170/0x170
[  413.029604][  T556]  ? ptr_to_hashval+0x60/0x60
[  413.034396][  T556]  ? snprintf+0xd6/0x120
[  413.038644][  T556]  ? __kasan_check_write+0x14/0x20
[  413.043737][  T556]  ? mutex_unlock+0x1d/0x40
[  413.048218][  T556]  kernfs_new_node+0x97/0x170
[  413.052873][  T556]  __kernfs_create_file+0x4a/0x270
[  413.057958][  T556]  cgroup_addrm_files+0xab8/0xfe0
[  413.062958][  T556]  ? ____kasan_kmalloc+0xdc/0x110
[  413.067958][  T556]  ? __kasan_kmalloc+0x9/0x10
[  413.072698][  T556]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  413.078216][  T556]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  413.084354][  T556]  ? delete_node+0x759/0x7b0
[  413.088932][  T556]  ? __kasan_check_read+0x11/0x20
[  413.093931][  T556]  ? idr_replace+0x1c4/0x230
[  413.098612][  T556]  ? idr_get_next+0x4b0/0x4b0
[  413.103268][  T556]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  413.108269][  T556]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  413.113455][  T556]  css_populate_dir+0x137/0x370
[  413.118286][  T556]  cgroup_apply_control_enable+0x8b9/0x12f0
[  413.124157][  T556]  cgroup_apply_control+0x93/0x710
[  413.129247][  T556]  ? css_next_child+0x160/0x160
[  413.134068][  T556]  ? stack_trace_save+0x12d/0x1f0
[  413.139068][  T556]  ? io_schedule+0x120/0x120
[  413.143659][  T556]  ? kernfs_fop_write_iter+0x15e/0x410
[  413.149272][  T556]  ? __kasan_check_write+0x14/0x20
[  413.155673][  T556]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  413.160945][  T556]  cgroup_subtree_control_write+0xd19/0x1310
[  413.166906][  T556]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  413.172867][  T556]  ? __kasan_check_write+0x14/0x20
[  413.177960][  T556]  ? _copy_from_iter+0x3fb/0xd60
[  413.182880][  T556]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  413.188836][  T556]  cgroup_file_write+0x28e/0x590
[  413.193808][  T556]  ? cgroup_seqfile_stop+0xc0/0xc0
[  413.198914][  T556]  ? mutex_lock+0xa6/0x110
[  413.203420][  T556]  ? mutex_trylock+0xb0/0xb0
[  413.207990][  T556]  ? __kasan_check_write+0x14/0x20
[  413.213183][  T556]  kernfs_fop_write_iter+0x2d0/0x410
[  413.218533][  T556]  ? cgroup_seqfile_stop+0xc0/0xc0
[  413.223618][  T556]  vfs_write+0xc1c/0xf40
[  413.227896][  T556]  ? slab_free_freelist_hook+0xcc/0x1a0
[  413.233416][  T556]  ? kernel_write+0x3c0/0x3c0
[  413.238099][  T556]  ? do_sys_openat2+0x397/0x470
[  413.242933][  T556]  ? __kasan_check_read+0x11/0x20
[  413.247940][  T556]  ? __fdget_pos+0x27e/0x310
[  413.252509][  T556]  ksys_write+0x198/0x2c0
[  413.256825][  T556]  ? kvm_sched_clock_read+0x18/0x40
[  413.261998][  T556]  ? __ia32_sys_read+0x90/0x90
[  413.266817][  T556]  ? debug_smp_processor_id+0x17/0x20
[  413.272175][  T556]  __x64_sys_write+0x7b/0x90
[  413.276755][  T556]  do_syscall_64+0x34/0x70
[  413.281146][  T556]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  413.287010][  T556] RIP: 0033:0x7efdb4cf77c9
[  413.291400][  T556] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  413.310981][  T556] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  413.319456][  T556] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  413.327410][  T556] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  413.335355][  T556] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  413.343303][  T556] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  413.351267][  T556] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000019
[  413.359357][  T556] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  413.408212][  T557] FAULT_INJECTION: forcing a failure.
[  413.408212][  T557] name failslab, interval 1, probability 0, space 0, times 0
[  413.420868][  T557] CPU: 1 PID: 557 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  413.432470][  T557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  413.442512][  T557] Call Trace:
[  413.445782][  T557]  dump_stack_lvl+0x1e2/0x24b
[  413.450431][  T557]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  413.455863][  T557]  ? selinux_kernfs_init_security+0x1a8/0x760
[  413.461901][  T557]  dump_stack+0x15/0x17
[  413.466044][  T557]  should_fail+0x3c0/0x510
[  413.470440][  T557]  ? __kernfs_new_node+0x99/0x6e0
[  413.475435][  T557]  __should_failslab+0x9f/0xe0
[  413.480180][  T557]  should_failslab+0x9/0x20
[  413.484657][  T557]  __kmalloc_track_caller+0x5f/0x350
[  413.489929][  T557]  kstrdup_const+0x55/0x90
[  413.494337][  T557]  __kernfs_new_node+0x99/0x6e0
[  413.499159][  T557]  ? is_module_text_address+0xe1/0x140
[  413.504589][  T557]  ? kernfs_new_node+0x170/0x170
[  413.509498][  T557]  ? ptr_to_hashval+0x60/0x60
[  413.514154][  T557]  ? snprintf+0xd6/0x120
[  413.518365][  T557]  ? __kasan_check_write+0x14/0x20
[  413.523449][  T557]  ? mutex_unlock+0x1d/0x40
[  413.527931][  T557]  kernfs_new_node+0x97/0x170
[  413.532588][  T557]  __kernfs_create_file+0x4a/0x270
[  413.537674][  T557]  cgroup_addrm_files+0xab8/0xfe0
[  413.542684][  T557]  ? ____kasan_kmalloc+0xdc/0x110
[  413.547681][  T557]  ? __kasan_kmalloc+0x9/0x10
[  413.552333][  T557]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  413.557855][  T557]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  413.563979][  T557]  ? delete_node+0x759/0x7b0
[  413.568545][  T557]  ? __kasan_check_read+0x11/0x20
[  413.573543][  T557]  ? idr_replace+0x1c4/0x230
[  413.578102][  T557]  ? idr_get_next+0x4b0/0x4b0
[  413.582753][  T557]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  413.587754][  T557]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  413.592932][  T557]  css_populate_dir+0x137/0x370
[  413.597759][  T557]  cgroup_apply_control_enable+0x8b9/0x12f0
[  413.603625][  T557]  cgroup_apply_control+0x93/0x710
[  413.608708][  T557]  ? css_next_child+0x160/0x160
[  413.613703][  T557]  ? stack_trace_save+0x12d/0x1f0
[  413.618707][  T557]  ? io_schedule+0x120/0x120
[  413.623278][  T557]  ? kernfs_fop_write_iter+0x15e/0x410
[  413.628707][  T557]  ? __kasan_check_write+0x14/0x20
[  413.633789][  T557]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  413.639048][  T557]  cgroup_subtree_control_write+0xd19/0x1310
[  413.644998][  T557]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  413.650953][  T557]  ? __kasan_check_write+0x14/0x20
[  413.656051][  T557]  ? _copy_from_iter+0x3fb/0xd60
[  413.660970][  T557]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  413.666924][  T557]  cgroup_file_write+0x28e/0x590
[  413.671848][  T557]  ? cgroup_seqfile_stop+0xc0/0xc0
[  413.676986][  T557]  ? mutex_lock+0xa6/0x110
[  413.681378][  T557]  ? mutex_trylock+0xb0/0xb0
[  413.685945][  T557]  ? __kasan_check_write+0x14/0x20
[  413.691039][  T557]  kernfs_fop_write_iter+0x2d0/0x410
[  413.696306][  T557]  ? cgroup_seqfile_stop+0xc0/0xc0
[  413.701388][  T557]  vfs_write+0xc1c/0xf40
[  413.705605][  T557]  ? slab_free_freelist_hook+0xcc/0x1a0
[  413.711127][  T557]  ? kernel_write+0x3c0/0x3c0
[  413.715801][  T557]  ? do_sys_openat2+0x397/0x470
[  413.720650][  T557]  ? __kasan_check_read+0x11/0x20
[  413.725659][  T557]  ? __fdget_pos+0x27e/0x310
[  413.730235][  T557]  ksys_write+0x198/0x2c0
[  413.734547][  T557]  ? __ia32_sys_read+0x90/0x90
[  413.739292][  T557]  ? debug_smp_processor_id+0x17/0x20
[  413.744647][  T557]  __x64_sys_write+0x7b/0x90
[  413.749219][  T557]  do_syscall_64+0x34/0x70
[  413.753628][  T557]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  413.759505][  T557] RIP: 0033:0x7efdb4cf77c9
[  413.763894][  T557] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  413.783472][  T557] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  413.791864][  T557] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  413.799820][  T557] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  413.807770][  T557] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  413.815713][  T557] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  413.823658][  T557] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001d
[  413.831738][  T557] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  413.878199][  T555] FAULT_INJECTION: forcing a failure.
[  413.878199][  T555] name failslab, interval 1, probability 0, space 0, times 0
[  413.890827][  T555] CPU: 0 PID: 555 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  413.902438][  T555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  413.912590][  T555] Call Trace:
[  413.915966][  T555]  dump_stack_lvl+0x1e2/0x24b
[  413.920622][  T555]  ? panic+0x7d7/0x7d7
[  413.924741][  T555]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  413.930187][  T555]  ? selinux_kernfs_init_security+0x1a8/0x760
[  413.936241][  T555]  dump_stack+0x15/0x17
[  413.940391][  T555]  should_fail+0x3c0/0x510
[  413.950358][  T555]  __should_failslab+0x9f/0xe0
[  413.955121][  T555]  should_failslab+0x9/0x20
[  413.959602][  T555]  kmem_cache_alloc+0x3f/0x300
[  413.964348][  T555]  ? __kernfs_new_node+0xdb/0x6e0
[  413.969357][  T555]  __kernfs_new_node+0xdb/0x6e0
[  413.974183][  T555]  ? is_module_text_address+0xe1/0x140
[  413.979708][  T555]  ? kernfs_new_node+0x170/0x170
[  413.984642][  T555]  ? ptr_to_hashval+0x60/0x60
[  413.989309][  T555]  ? arch_stack_walk+0xf8/0x140
[  413.994141][  T555]  ? snprintf+0xd6/0x120
[  413.998366][  T555]  kernfs_new_node+0x97/0x170
[  414.003038][  T555]  __kernfs_create_file+0x4a/0x270
[  414.008151][  T555]  cgroup_addrm_files+0xab8/0xfe0
[  414.013156][  T555]  ? ____kasan_kmalloc+0xdc/0x110
[  414.018307][  T555]  ? __kasan_kmalloc+0x9/0x10
[  414.022963][  T555]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  414.028485][  T555]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  414.034788][  T555]  ? delete_node+0x759/0x7b0
[  414.039363][  T555]  ? __kasan_check_read+0x11/0x20
[  414.044385][  T555]  ? delete_node+0x759/0x7b0
[  414.048951][  T555]  ? __kasan_check_write+0x14/0x20
[  414.054043][  T555]  ? idr_replace+0x1c4/0x230
[  414.058606][  T555]  ? idr_get_next+0x4b0/0x4b0
[  414.063254][  T555]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  414.068252][  T555]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  414.073510][  T555]  css_populate_dir+0x137/0x370
[  414.078333][  T555]  cgroup_apply_control_enable+0x8b9/0x12f0
[  414.084199][  T555]  cgroup_apply_control+0x93/0x710
[  414.089288][  T555]  ? css_next_child+0x160/0x160
[  414.094118][  T555]  ? stack_trace_save+0x12d/0x1f0
[  414.099128][  T555]  ? io_schedule+0x120/0x120
[  414.103703][  T555]  ? kernfs_fop_write_iter+0x15e/0x410
[  414.109141][  T555]  ? __kasan_check_write+0x14/0x20
[  414.114252][  T555]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  414.119514][  T555]  cgroup_subtree_control_write+0xd19/0x1310
[  414.125474][  T555]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  414.131446][  T555]  ? __kasan_check_write+0x14/0x20
[  414.136538][  T555]  ? _copy_from_iter+0x3fb/0xd60
[  414.141465][  T555]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  414.147430][  T555]  cgroup_file_write+0x28e/0x590
[  414.152359][  T555]  ? cgroup_seqfile_stop+0xc0/0xc0
[  414.157446][  T555]  ? mutex_lock+0xa6/0x110
[  414.161837][  T555]  ? mutex_trylock+0xb0/0xb0
[  414.166402][  T555]  ? __kasan_check_write+0x14/0x20
[  414.171487][  T555]  kernfs_fop_write_iter+0x2d0/0x410
[  414.176751][  T555]  ? cgroup_seqfile_stop+0xc0/0xc0
[  414.181834][  T555]  vfs_write+0xc1c/0xf40
[  414.186064][  T555]  ? slab_free_freelist_hook+0xcc/0x1a0
[  414.191589][  T555]  ? kernel_write+0x3c0/0x3c0
[  414.196250][  T555]  ? do_sys_openat2+0x397/0x470
[  414.201079][  T555]  ? __kasan_check_read+0x11/0x20
[  414.206078][  T555]  ? __fdget_pos+0x27e/0x310
[  414.210653][  T555]  ksys_write+0x198/0x2c0
[  414.214978][  T555]  ? __kasan_check_write+0x14/0x20
[  414.220081][  T555]  ? __ia32_sys_read+0x90/0x90
[  414.224821][  T555]  ? debug_smp_processor_id+0x17/0x20
[  414.230240][  T555]  __x64_sys_write+0x7b/0x90
[  414.234807][  T555]  do_syscall_64+0x34/0x70
[  414.239198][  T555]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  414.245065][  T555] RIP: 0033:0x7efdb4cf77c9
[  414.249456][  T555] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  414.269034][  T555] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  414.277420][  T555] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  414.285369][  T555] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  414.293314][  T555] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  414.301260][  T555] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  414.309215][  T555] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000020
[  414.317258][  T555] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  414.348036][  T550] FAULT_INJECTION: forcing a failure.
[  414.348036][  T550] name failslab, interval 1, probability 0, space 0, times 0
[  414.360740][  T550] CPU: 1 PID: 550 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  414.372356][  T550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  414.382395][  T550] Call Trace:
[  414.385670][  T550]  dump_stack_lvl+0x1e2/0x24b
[  414.390320][  T550]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  414.395775][  T550]  ? selinux_kernfs_init_security+0x1a8/0x760
[  414.401813][  T550]  dump_stack+0x15/0x17
[  414.405942][  T550]  should_fail+0x3c0/0x510
[  414.410335][  T550]  ? __kernfs_new_node+0x99/0x6e0
[  414.415860][  T550]  __should_failslab+0x9f/0xe0
[  414.420594][  T550]  should_failslab+0x9/0x20
[  414.425067][  T550]  __kmalloc_track_caller+0x5f/0x350
[  414.430328][  T550]  kstrdup_const+0x55/0x90
[  414.434716][  T550]  __kernfs_new_node+0x99/0x6e0
[  414.439554][  T550]  ? is_module_text_address+0xe1/0x140
[  414.444983][  T550]  ? kernfs_new_node+0x170/0x170
[  414.449893][  T550]  ? ptr_to_hashval+0x60/0x60
[  414.454543][  T550]  ? arch_stack_walk+0xf8/0x140
[  414.459371][  T550]  ? snprintf+0xd6/0x120
[  414.463593][  T550]  kernfs_new_node+0x97/0x170
[  414.468262][  T550]  __kernfs_create_file+0x4a/0x270
[  414.473346][  T550]  cgroup_addrm_files+0xab8/0xfe0
[  414.478344][  T550]  ? ____kasan_kmalloc+0xdc/0x110
[  414.483337][  T550]  ? __kasan_kmalloc+0x9/0x10
[  414.488009][  T550]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  414.493526][  T550]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  414.499649][  T550]  ? delete_node+0x759/0x7b0
[  414.504211][  T550]  ? __kasan_check_read+0x11/0x20
[  414.509209][  T550]  ? delete_node+0x759/0x7b0
[  414.513768][  T550]  ? __kasan_check_write+0x14/0x20
[  414.518857][  T550]  ? idr_replace+0x1c4/0x230
[  414.523419][  T550]  ? idr_get_next+0x4b0/0x4b0
[  414.528067][  T550]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  414.533061][  T550]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  414.538240][  T550]  css_populate_dir+0x137/0x370
[  414.543066][  T550]  cgroup_apply_control_enable+0x8b9/0x12f0
[  414.548960][  T550]  cgroup_apply_control+0x93/0x710
[  414.554048][  T550]  ? css_next_child+0x160/0x160
[  414.558877][  T550]  ? stack_trace_save+0x12d/0x1f0
[  414.563884][  T550]  ? io_schedule+0x120/0x120
[  414.568449][  T550]  ? kernfs_fop_write_iter+0x15e/0x410
[  414.573892][  T550]  ? __kasan_check_write+0x14/0x20
[  414.578977][  T550]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  414.584235][  T550]  cgroup_subtree_control_write+0xd19/0x1310
[  414.590200][  T550]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  414.596151][  T550]  ? __kasan_check_write+0x14/0x20
[  414.601238][  T550]  ? _copy_from_iter+0x3fb/0xd60
[  414.606155][  T550]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  414.612112][  T550]  cgroup_file_write+0x28e/0x590
[  414.617020][  T550]  ? cgroup_seqfile_stop+0xc0/0xc0
[  414.622128][  T550]  ? mutex_lock+0xa6/0x110
[  414.626516][  T550]  ? mutex_trylock+0xb0/0xb0
[  414.631080][  T550]  ? __kasan_check_write+0x14/0x20
[  414.636160][  T550]  kernfs_fop_write_iter+0x2d0/0x410
[  414.641416][  T550]  ? cgroup_seqfile_stop+0xc0/0xc0
[  414.646497][  T550]  vfs_write+0xc1c/0xf40
[  414.650716][  T550]  ? slab_free_freelist_hook+0xcc/0x1a0
[  414.656260][  T550]  ? kernel_write+0x3c0/0x3c0
[  414.660915][  T550]  ? do_sys_openat2+0x397/0x470
[  414.665766][  T550]  ? __kasan_check_read+0x11/0x20
[  414.670768][  T550]  ? __fdget_pos+0x27e/0x310
[  414.675333][  T550]  ksys_write+0x198/0x2c0
[  414.679639][  T550]  ? __ia32_sys_read+0x90/0x90
[  414.684391][  T550]  ? debug_smp_processor_id+0x17/0x20
[  414.689751][  T550]  __x64_sys_write+0x7b/0x90
[  414.694343][  T550]  do_syscall_64+0x34/0x70
[  414.698734][  T550]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  414.704598][  T550] RIP: 0033:0x7efdb4cf77c9
[  414.708990][  T550] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  414.728918][  T550] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  414.737318][  T550] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
executing program
[  414.745274][  T550] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  414.753228][  T550] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  414.761267][  T550] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  414.769219][  T550] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001d
[  414.777462][  T550] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  414.808125][  T560] FAULT_INJECTION: forcing a failure.
[  414.808125][  T560] name failslab, interval 1, probability 0, space 0, times 0
[  414.820830][  T560] CPU: 1 PID: 560 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  414.832427][  T560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  414.842456][  T560] Call Trace:
[  414.845724][  T560]  dump_stack_lvl+0x1e2/0x24b
[  414.850380][  T560]  ? panic+0x7d7/0x7d7
[  414.854419][  T560]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  414.859846][  T560]  ? selinux_kernfs_init_security+0x1a8/0x760
[  414.865886][  T560]  dump_stack+0x15/0x17
[  414.870025][  T560]  should_fail+0x3c0/0x510
[  414.874429][  T560]  __should_failslab+0x9f/0xe0
[  414.879280][  T560]  should_failslab+0x9/0x20
[  414.883805][  T560]  kmem_cache_alloc+0x3f/0x300
[  414.888550][  T560]  ? __kernfs_new_node+0xdb/0x6e0
[  414.893555][  T560]  __kernfs_new_node+0xdb/0x6e0
[  414.898556][  T560]  ? is_module_text_address+0xe1/0x140
[  414.903990][  T560]  ? kernfs_new_node+0x170/0x170
[  414.908902][  T560]  ? ptr_to_hashval+0x60/0x60
[  414.913553][  T560]  ? arch_stack_walk+0xf8/0x140
[  414.918376][  T560]  ? snprintf+0xd6/0x120
[  414.922604][  T560]  kernfs_new_node+0x97/0x170
[  414.927255][  T560]  __kernfs_create_file+0x4a/0x270
[  414.932341][  T560]  cgroup_addrm_files+0xab8/0xfe0
[  414.937350][  T560]  ? ____kasan_kmalloc+0xdc/0x110
[  414.942363][  T560]  ? __kasan_kmalloc+0x9/0x10
[  414.947017][  T560]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  414.952538][  T560]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  414.958681][  T560]  ? delete_node+0x759/0x7b0
[  414.963244][  T560]  ? __kasan_check_read+0x11/0x20
[  414.968239][  T560]  ? delete_node+0x759/0x7b0
[  414.972801][  T560]  ? __kasan_check_write+0x14/0x20
[  414.977888][  T560]  ? idr_replace+0x1c4/0x230
[  414.982451][  T560]  ? idr_get_next+0x4b0/0x4b0
[  414.987100][  T560]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  414.992098][  T560]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  414.997268][  T560]  css_populate_dir+0x137/0x370
[  415.002090][  T560]  cgroup_apply_control_enable+0x8b9/0x12f0
[  415.007959][  T560]  cgroup_apply_control+0x93/0x710
[  415.013053][  T560]  ? css_next_child+0x160/0x160
[  415.017892][  T560]  ? io_schedule+0x120/0x120
[  415.022475][  T560]  ? kernfs_fop_write_iter+0x15e/0x410
[  415.027908][  T560]  ? __kasan_check_write+0x14/0x20
[  415.033000][  T560]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  415.038274][  T560]  cgroup_subtree_control_write+0xd19/0x1310
[  415.044243][  T560]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  415.050210][  T560]  ? __kasan_check_write+0x14/0x20
[  415.055296][  T560]  ? _copy_from_iter+0x3fb/0xd60
[  415.060207][  T560]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  415.066164][  T560]  cgroup_file_write+0x28e/0x590
[  415.071087][  T560]  ? cgroup_seqfile_stop+0xc0/0xc0
[  415.076174][  T560]  ? mutex_lock+0xa6/0x110
[  415.080562][  T560]  ? mutex_trylock+0xb0/0xb0
[  415.085126][  T560]  ? __kasan_check_write+0x14/0x20
[  415.090228][  T560]  kernfs_fop_write_iter+0x2d0/0x410
[  415.095487][  T560]  ? cgroup_seqfile_stop+0xc0/0xc0
[  415.101182][  T560]  vfs_write+0xc1c/0xf40
[  415.105411][  T560]  ? kernel_write+0x3c0/0x3c0
[  415.110062][  T560]  ? do_sys_openat2+0x397/0x470
[  415.114910][  T560]  ? __kasan_check_read+0x11/0x20
[  415.119918][  T560]  ? __fdget_pos+0x27e/0x310
[  415.124492][  T560]  ksys_write+0x198/0x2c0
[  415.128811][  T560]  ? __kasan_check_write+0x14/0x20
[  415.134011][  T560]  ? __ia32_sys_read+0x90/0x90
[  415.138758][  T560]  ? debug_smp_processor_id+0x17/0x20
[  415.144127][  T560]  __x64_sys_write+0x7b/0x90
[  415.148774][  T560]  do_syscall_64+0x34/0x70
[  415.153196][  T560]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  415.159071][  T560] RIP: 0033:0x7efdb4cf77c9
[  415.163473][  T560] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  415.183055][  T560] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  415.191443][  T560] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  415.199402][  T560] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  415.207347][  T560] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  415.215313][  T560] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  415.223269][  T560] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001e
[  415.231373][  T560] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  415.278269][  T562] FAULT_INJECTION: forcing a failure.
[  415.278269][  T562] name failslab, interval 1, probability 0, space 0, times 0
[  415.290960][  T562] CPU: 1 PID: 562 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  415.302574][  T562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  415.312604][  T562] Call Trace:
[  415.315875][  T562]  dump_stack_lvl+0x1e2/0x24b
[  415.320541][  T562]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  415.325991][  T562]  ? selinux_kernfs_init_security+0x1a8/0x760
[  415.332041][  T562]  dump_stack+0x15/0x17
[  415.336188][  T562]  should_fail+0x3c0/0x510
[  415.340581][  T562]  ? __kernfs_new_node+0x99/0x6e0
[  415.345576][  T562]  __should_failslab+0x9f/0xe0
[  415.350315][  T562]  should_failslab+0x9/0x20
[  415.354792][  T562]  __kmalloc_track_caller+0x5f/0x350
[  415.360052][  T562]  kstrdup_const+0x55/0x90
[  415.364444][  T562]  __kernfs_new_node+0x99/0x6e0
[  415.369268][  T562]  ? is_module_text_address+0xe1/0x140
[  415.374699][  T562]  ? kernfs_new_node+0x170/0x170
[  415.379613][  T562]  ? ptr_to_hashval+0x60/0x60
[  415.384264][  T562]  ? snprintf+0xd6/0x120
[  415.388486][  T562]  ? __kasan_check_write+0x14/0x20
[  415.393574][  T562]  ? mutex_unlock+0x1d/0x40
[  415.398050][  T562]  kernfs_new_node+0x97/0x170
[  415.402708][  T562]  __kernfs_create_file+0x4a/0x270
[  415.407903][  T562]  cgroup_addrm_files+0xab8/0xfe0
[  415.412913][  T562]  ? ____kasan_kmalloc+0xdc/0x110
[  415.417925][  T562]  ? __kasan_kmalloc+0x9/0x10
[  415.422578][  T562]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  415.428099][  T562]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  415.434228][  T562]  ? delete_node+0x759/0x7b0
[  415.438818][  T562]  ? __kasan_check_read+0x11/0x20
[  415.443817][  T562]  ? idr_replace+0x1c4/0x230
[  415.448411][  T562]  ? idr_get_next+0x4b0/0x4b0
[  415.453085][  T562]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  415.458108][  T562]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  415.463278][  T562]  css_populate_dir+0x137/0x370
[  415.468110][  T562]  cgroup_apply_control_enable+0x8b9/0x12f0
[  415.473976][  T562]  cgroup_apply_control+0x93/0x710
[  415.479060][  T562]  ? css_next_child+0x160/0x160
[  415.483908][  T562]  ? stack_trace_save+0x12d/0x1f0
[  415.488910][  T562]  ? io_schedule+0x120/0x120
[  415.493478][  T562]  ? kernfs_fop_write_iter+0x15e/0x410
[  415.498920][  T562]  ? __kasan_check_write+0x14/0x20
[  415.504008][  T562]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  415.509264][  T562]  cgroup_subtree_control_write+0xd19/0x1310
[  415.515239][  T562]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  415.521192][  T562]  ? __kasan_check_write+0x14/0x20
[  415.526274][  T562]  ? _copy_from_iter+0x3fb/0xd60
[  415.531206][  T562]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  415.537156][  T562]  cgroup_file_write+0x28e/0x590
[  415.542069][  T562]  ? cgroup_seqfile_stop+0xc0/0xc0
[  415.547155][  T562]  ? mutex_lock+0xa6/0x110
[  415.551560][  T562]  ? mutex_trylock+0xb0/0xb0
[  415.556140][  T562]  ? __kasan_check_write+0x14/0x20
[  415.561225][  T562]  kernfs_fop_write_iter+0x2d0/0x410
[  415.566482][  T562]  ? cgroup_seqfile_stop+0xc0/0xc0
[  415.571568][  T562]  vfs_write+0xc1c/0xf40
[  415.575790][  T562]  ? slab_free_freelist_hook+0xcc/0x1a0
[  415.581332][  T562]  ? kernel_write+0x3c0/0x3c0
[  415.585982][  T562]  ? do_sys_openat2+0x397/0x470
[  415.590805][  T562]  ? __kasan_check_read+0x11/0x20
[  415.595802][  T562]  ? __fdget_pos+0x27e/0x310
[  415.600369][  T562]  ksys_write+0x198/0x2c0
[  415.604691][  T562]  ? __ia32_sys_read+0x90/0x90
[  415.609428][  T562]  ? debug_smp_processor_id+0x17/0x20
[  415.614792][  T562]  __x64_sys_write+0x7b/0x90
[  415.619363][  T562]  do_syscall_64+0x34/0x70
[  415.623802][  T562]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  415.629768][  T562] RIP: 0033:0x7efdb4cf77c9
[  415.634168][  T562] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  415.653756][  T562] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  415.662148][  T562] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  415.670101][  T562] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  415.678162][  T562] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  415.686485][  T562] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  415.694437][  T562] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001e
[  415.702458][  T562] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  415.748021][  T558] FAULT_INJECTION: forcing a failure.
[  415.748021][  T558] name failslab, interval 1, probability 0, space 0, times 0
[  415.760762][  T558] CPU: 1 PID: 558 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  415.772601][  T558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  415.782646][  T558] Call Trace:
[  415.785916][  T558]  dump_stack_lvl+0x1e2/0x24b
[  415.790571][  T558]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  415.796009][  T558]  ? selinux_kernfs_init_security+0x1a8/0x760
[  415.802067][  T558]  dump_stack+0x15/0x17
[  415.806377][  T558]  should_fail+0x3c0/0x510
[  415.810797][  T558]  ? __kernfs_new_node+0x99/0x6e0
[  415.815808][  T558]  __should_failslab+0x9f/0xe0
[  415.820546][  T558]  should_failslab+0x9/0x20
[  415.825025][  T558]  __kmalloc_track_caller+0x5f/0x350
[  415.830292][  T558]  kstrdup_const+0x55/0x90
[  415.834734][  T558]  __kernfs_new_node+0x99/0x6e0
[  415.839580][  T558]  ? is_module_text_address+0xe1/0x140
[  415.845040][  T558]  ? kernfs_new_node+0x170/0x170
[  415.849996][  T558]  ? ptr_to_hashval+0x60/0x60
[  415.854655][  T558]  ? snprintf+0xd6/0x120
[  415.858888][  T558]  ? __kasan_check_write+0x14/0x20
[  415.863982][  T558]  ? mutex_unlock+0x1d/0x40
[  415.868470][  T558]  kernfs_new_node+0x97/0x170
[  415.873190][  T558]  __kernfs_create_file+0x4a/0x270
[  415.878286][  T558]  cgroup_addrm_files+0xab8/0xfe0
[  415.883289][  T558]  ? ____kasan_kmalloc+0xdc/0x110
[  415.888308][  T558]  ? __kasan_kmalloc+0x9/0x10
[  415.892972][  T558]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  415.898497][  T558]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  415.904635][  T558]  ? delete_node+0x759/0x7b0
[  415.909201][  T558]  ? __kasan_check_read+0x11/0x20
[  415.914222][  T558]  ? idr_replace+0x1c4/0x230
[  415.918793][  T558]  ? idr_get_next+0x4b0/0x4b0
[  415.923443][  T558]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  415.928530][  T558]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  415.933725][  T558]  css_populate_dir+0x137/0x370
[  415.938549][  T558]  cgroup_apply_control_enable+0x8b9/0x12f0
[  415.944414][  T558]  cgroup_apply_control+0x93/0x710
[  415.949672][  T558]  ? css_next_child+0x160/0x160
[  415.954613][  T558]  ? stack_trace_save+0x12d/0x1f0
[  415.959618][  T558]  ? io_schedule+0x120/0x120
[  415.964216][  T558]  ? kernfs_fop_write_iter+0x15e/0x410
[  415.969777][  T558]  ? __kasan_check_write+0x14/0x20
[  415.975240][  T558]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  415.980523][  T558]  cgroup_subtree_control_write+0xd19/0x1310
[  415.986482][  T558]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  415.992463][  T558]  ? __kasan_check_write+0x14/0x20
[  415.997561][  T558]  ? _copy_from_iter+0x3fb/0xd60
[  416.002486][  T558]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  416.008448][  T558]  cgroup_file_write+0x28e/0x590
[  416.013371][  T558]  ? cgroup_seqfile_stop+0xc0/0xc0
[  416.018462][  T558]  ? mutex_lock+0xa6/0x110
[  416.022858][  T558]  ? mutex_trylock+0xb0/0xb0
[  416.027451][  T558]  ? __kasan_check_write+0x14/0x20
[  416.032545][  T558]  kernfs_fop_write_iter+0x2d0/0x410
[  416.037827][  T558]  ? cgroup_seqfile_stop+0xc0/0xc0
[  416.042927][  T558]  vfs_write+0xc1c/0xf40
[  416.047145][  T558]  ? slab_free_freelist_hook+0xcc/0x1a0
[  416.052674][  T558]  ? kernel_write+0x3c0/0x3c0
[  416.057336][  T558]  ? do_sys_openat2+0x397/0x470
[  416.062167][  T558]  ? __kasan_check_read+0x11/0x20
[  416.067259][  T558]  ? __fdget_pos+0x27e/0x310
[  416.071934][  T558]  ksys_write+0x198/0x2c0
[  416.076256][  T558]  ? __ia32_sys_read+0x90/0x90
[  416.080999][  T558]  ? debug_smp_processor_id+0x17/0x20
[  416.086350][  T558]  __x64_sys_write+0x7b/0x90
[  416.090928][  T558]  do_syscall_64+0x34/0x70
[  416.095321][  T558]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  416.101193][  T558] RIP: 0033:0x7efdb4cf77c9
[  416.105586][  T558] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  416.125253][  T558] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  416.133741][  T558] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  416.141693][  T558] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  416.149693][  T558] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  416.157658][  T558] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  416.165621][  T558] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001f
[  416.173864][  T558] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  416.218196][  T565] FAULT_INJECTION: forcing a failure.
[  416.218196][  T565] name failslab, interval 1, probability 0, space 0, times 0
[  416.230944][  T565] CPU: 1 PID: 565 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  416.242548][  T565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  416.252588][  T565] Call Trace:
[  416.255893][  T565]  dump_stack_lvl+0x1e2/0x24b
[  416.260550][  T565]  ? panic+0x7d7/0x7d7
[  416.264681][  T565]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  416.270139][  T565]  ? selinux_kernfs_init_security+0x1a8/0x760
[  416.276191][  T565]  dump_stack+0x15/0x17
[  416.280329][  T565]  should_fail+0x3c0/0x510
[  416.284819][  T565]  __should_failslab+0x9f/0xe0
[  416.289559][  T565]  should_failslab+0x9/0x20
[  416.294039][  T565]  kmem_cache_alloc+0x3f/0x300
[  416.298785][  T565]  ? __kernfs_new_node+0xdb/0x6e0
[  416.303788][  T565]  __kernfs_new_node+0xdb/0x6e0
[  416.308621][  T565]  ? is_module_text_address+0xe1/0x140
[  416.314054][  T565]  ? kernfs_new_node+0x170/0x170
[  416.318964][  T565]  ? ptr_to_hashval+0x60/0x60
[  416.323632][  T565]  ? arch_stack_walk+0xf8/0x140
[  416.328457][  T565]  ? snprintf+0xd6/0x120
[  416.332674][  T565]  kernfs_new_node+0x97/0x170
[  416.337326][  T565]  __kernfs_create_file+0x4a/0x270
[  416.342409][  T565]  cgroup_addrm_files+0xab8/0xfe0
[  416.347584][  T565]  ? ____kasan_kmalloc+0xdc/0x110
[  416.352580][  T565]  ? __kasan_kmalloc+0x9/0x10
[  416.357231][  T565]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  416.362758][  T565]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  416.368888][  T565]  ? delete_node+0x759/0x7b0
[  416.373468][  T565]  ? __kasan_check_read+0x11/0x20
[  416.378465][  T565]  ? delete_node+0x759/0x7b0
[  416.383025][  T565]  ? __kasan_check_write+0x14/0x20
[  416.388111][  T565]  ? idr_replace+0x1c4/0x230
[  416.392691][  T565]  ? idr_get_next+0x4b0/0x4b0
[  416.397337][  T565]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  416.402338][  T565]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  416.407556][  T565]  css_populate_dir+0x137/0x370
[  416.412379][  T565]  cgroup_apply_control_enable+0x8b9/0x12f0
[  416.418245][  T565]  cgroup_apply_control+0x93/0x710
[  416.423329][  T565]  ? css_next_child+0x160/0x160
[  416.428165][  T565]  ? stack_trace_save+0x12d/0x1f0
[  416.433181][  T565]  ? io_schedule+0x120/0x120
[  416.437759][  T565]  ? kernfs_fop_write_iter+0x15e/0x410
[  416.443215][  T565]  ? __kasan_check_write+0x14/0x20
[  416.448474][  T565]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  416.453737][  T565]  cgroup_subtree_control_write+0xd19/0x1310
[  416.459690][  T565]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  416.465651][  T565]  ? __kasan_check_write+0x14/0x20
[  416.470744][  T565]  ? _copy_from_iter+0x3fb/0xd60
[  416.475664][  T565]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  416.481631][  T565]  cgroup_file_write+0x28e/0x590
[  416.486573][  T565]  ? cgroup_seqfile_stop+0xc0/0xc0
[  416.491663][  T565]  ? mutex_lock+0xa6/0x110
[  416.496059][  T565]  ? mutex_trylock+0xb0/0xb0
[  416.500640][  T565]  ? __kasan_check_write+0x14/0x20
[  416.505742][  T565]  kernfs_fop_write_iter+0x2d0/0x410
[  416.511023][  T565]  ? cgroup_seqfile_stop+0xc0/0xc0
[  416.516142][  T565]  vfs_write+0xc1c/0xf40
[  416.520380][  T565]  ? slab_free_freelist_hook+0xcc/0x1a0
[  416.525926][  T565]  ? kernel_write+0x3c0/0x3c0
[  416.530603][  T565]  ? do_sys_openat2+0x397/0x470
[  416.535428][  T565]  ? __kasan_check_read+0x11/0x20
[  416.540445][  T565]  ? __fdget_pos+0x27e/0x310
[  416.545009][  T565]  ksys_write+0x198/0x2c0
[  416.549315][  T565]  ? __ia32_sys_read+0x90/0x90
[  416.554059][  T565]  ? debug_smp_processor_id+0x17/0x20
[  416.559416][  T565]  __x64_sys_write+0x7b/0x90
[  416.564072][  T565]  do_syscall_64+0x34/0x70
[  416.568465][  T565]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  416.574331][  T565] RIP: 0033:0x7efdb4cf77c9
[  416.578719][  T565] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  416.598387][  T565] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  416.606773][  T565] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  416.614718][  T565] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  416.623011][  T565] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  416.630958][  T565] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  416.638903][  T565] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000020
[  416.646995][  T565] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  416.688297][  T564] FAULT_INJECTION: forcing a failure.
[  416.688297][  T564] name failslab, interval 1, probability 0, space 0, times 0
[  416.701030][  T564] CPU: 1 PID: 564 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  416.712645][  T564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  416.722685][  T564] Call Trace:
[  416.726050][  T564]  dump_stack_lvl+0x1e2/0x24b
[  416.730705][  T564]  ? panic+0x7d7/0x7d7
[  416.734758][  T564]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  416.740193][  T564]  ? do_syscall_64+0x34/0x70
[  416.744764][  T564]  dump_stack+0x15/0x17
[  416.748897][  T564]  should_fail+0x3c0/0x510
[  416.753330][  T564]  __should_failslab+0x9f/0xe0
[  416.758095][  T564]  should_failslab+0x9/0x20
[  416.762600][  T564]  kmem_cache_alloc+0x3f/0x300
[  416.767365][  T564]  ? __kernfs_new_node+0xdb/0x6e0
[  416.772406][  T564]  __kernfs_new_node+0xdb/0x6e0
[  416.777242][  T564]  ? is_module_text_address+0xe1/0x140
[  416.782795][  T564]  ? kernfs_new_node+0x170/0x170
[  416.787727][  T564]  ? ptr_to_hashval+0x60/0x60
[  416.792388][  T564]  ? arch_stack_walk+0xf8/0x140
[  416.797217][  T564]  ? snprintf+0xd6/0x120
[  416.801435][  T564]  kernfs_new_node+0x97/0x170
[  416.806093][  T564]  __kernfs_create_file+0x4a/0x270
[  416.811194][  T564]  cgroup_addrm_files+0xab8/0xfe0
[  416.816527][  T564]  ? ____kasan_kmalloc+0xdc/0x110
[  416.821551][  T564]  ? __kasan_kmalloc+0x9/0x10
[  416.826650][  T564]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  416.832188][  T564]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  416.838332][  T564]  ? delete_node+0x759/0x7b0
[  416.842905][  T564]  ? __kasan_check_read+0x11/0x20
[  416.847907][  T564]  ? delete_node+0x759/0x7b0
[  416.852477][  T564]  ? __kasan_check_write+0x14/0x20
[  416.857576][  T564]  ? idr_replace+0x1c4/0x230
[  416.862144][  T564]  ? idr_get_next+0x4b0/0x4b0
[  416.866801][  T564]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  416.871809][  T564]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  416.876988][  T564]  css_populate_dir+0x137/0x370
[  416.881819][  T564]  cgroup_apply_control_enable+0x8b9/0x12f0
[  416.887689][  T564]  cgroup_apply_control+0x93/0x710
[  416.892775][  T564]  ? css_next_child+0x160/0x160
[  416.897602][  T564]  ? io_schedule+0x120/0x120
[  416.902181][  T564]  ? kernfs_fop_write_iter+0x15e/0x410
[  416.907613][  T564]  ? __kasan_check_write+0x14/0x20
[  416.912700][  T564]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  416.918052][  T564]  cgroup_subtree_control_write+0xd19/0x1310
[  416.924026][  T564]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  416.929992][  T564]  ? __kasan_check_write+0x14/0x20
[  416.935098][  T564]  ? _copy_from_iter+0x3fb/0xd60
[  416.940028][  T564]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  416.945983][  T564]  cgroup_file_write+0x28e/0x590
[  416.950985][  T564]  ? cgroup_seqfile_stop+0xc0/0xc0
[  416.956071][  T564]  ? mutex_lock+0xa6/0x110
[  416.960459][  T564]  ? mutex_trylock+0xb0/0xb0
[  416.965023][  T564]  ? __kasan_check_write+0x14/0x20
[  416.970112][  T564]  kernfs_fop_write_iter+0x2d0/0x410
[  416.975373][  T564]  ? cgroup_seqfile_stop+0xc0/0xc0
[  416.980459][  T564]  vfs_write+0xc1c/0xf40
[  416.984697][  T564]  ? kernel_write+0x3c0/0x3c0
[  416.989358][  T564]  ? do_sys_openat2+0x397/0x470
[  416.994190][  T564]  ? __kasan_check_read+0x11/0x20
[  416.999209][  T564]  ? __fdget_pos+0x27e/0x310
[  417.003877][  T564]  ksys_write+0x198/0x2c0
[  417.008281][  T564]  ? __ia32_sys_read+0x90/0x90
[  417.013038][  T564]  ? debug_smp_processor_id+0x17/0x20
[  417.018391][  T564]  __x64_sys_write+0x7b/0x90
[  417.022966][  T564]  do_syscall_64+0x34/0x70
[  417.027381][  T564]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  417.033266][  T564] RIP: 0033:0x7efdb4cf77c9
[  417.037661][  T564] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  417.057248][  T564] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  417.065636][  T564] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  417.073581][  T564] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  417.081540][  T564] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  417.089493][  T564] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  417.097442][  T564] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001f
[  417.105559][  T564] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  417.138067][  T563] FAULT_INJECTION: forcing a failure.
[  417.138067][  T563] name failslab, interval 1, probability 0, space 0, times 0
[  417.150731][  T563] CPU: 1 PID: 563 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  417.162333][  T563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  417.172368][  T563] Call Trace:
[  417.175644][  T563]  dump_stack_lvl+0x1e2/0x24b
[  417.180301][  T563]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  417.185735][  T563]  ? selinux_kernfs_init_security+0x1a8/0x760
[  417.191780][  T563]  dump_stack+0x15/0x17
[  417.195910][  T563]  should_fail+0x3c0/0x510
[  417.200302][  T563]  ? __kernfs_new_node+0x99/0x6e0
[  417.205585][  T563]  __should_failslab+0x9f/0xe0
[  417.210328][  T563]  should_failslab+0x9/0x20
[  417.214806][  T563]  __kmalloc_track_caller+0x5f/0x350
[  417.220326][  T563]  kstrdup_const+0x55/0x90
[  417.224716][  T563]  __kernfs_new_node+0x99/0x6e0
[  417.229539][  T563]  ? is_module_text_address+0xe1/0x140
[  417.234970][  T563]  ? kernfs_new_node+0x170/0x170
[  417.239879][  T563]  ? ptr_to_hashval+0x60/0x60
[  417.244538][  T563]  ? snprintf+0xd6/0x120
[  417.248758][  T563]  ? __kasan_check_write+0x14/0x20
[  417.253842][  T563]  ? mutex_unlock+0x1d/0x40
[  417.258321][  T563]  kernfs_new_node+0x97/0x170
[  417.262969][  T563]  __kernfs_create_file+0x4a/0x270
[  417.268050][  T563]  cgroup_addrm_files+0xab8/0xfe0
[  417.273047][  T563]  ? ____kasan_kmalloc+0xdc/0x110
[  417.278040][  T563]  ? __kasan_kmalloc+0x9/0x10
[  417.282687][  T563]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  417.288206][  T563]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  417.294332][  T563]  ? delete_node+0x759/0x7b0
[  417.298896][  T563]  ? __kasan_check_read+0x11/0x20
[  417.303892][  T563]  ? idr_replace+0x1c4/0x230
[  417.308451][  T563]  ? idr_get_next+0x4b0/0x4b0
[  417.313098][  T563]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  417.318097][  T563]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  417.323266][  T563]  css_populate_dir+0x137/0x370
[  417.328087][  T563]  cgroup_apply_control_enable+0x8b9/0x12f0
[  417.333956][  T563]  cgroup_apply_control+0x93/0x710
[  417.339047][  T563]  ? css_next_child+0x160/0x160
[  417.343874][  T563]  ? io_schedule+0x120/0x120
[  417.348436][  T563]  ? kernfs_fop_write_iter+0x15e/0x410
[  417.353865][  T563]  ? __kasan_check_write+0x14/0x20
[  417.358953][  T563]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  417.364215][  T563]  cgroup_subtree_control_write+0xd19/0x1310
[  417.370169][  T563]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  417.376121][  T563]  ? __kasan_check_write+0x14/0x20
[  417.381202][  T563]  ? _copy_from_iter+0x3fb/0xd60
[  417.386206][  T563]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  417.392173][  T563]  cgroup_file_write+0x28e/0x590
[  417.397083][  T563]  ? cgroup_seqfile_stop+0xc0/0xc0
[  417.402167][  T563]  ? mutex_lock+0xa6/0x110
[  417.406557][  T563]  ? mutex_trylock+0xb0/0xb0
[  417.411121][  T563]  ? __kasan_check_write+0x14/0x20
[  417.416207][  T563]  kernfs_fop_write_iter+0x2d0/0x410
[  417.421469][  T563]  ? cgroup_seqfile_stop+0xc0/0xc0
[  417.426574][  T563]  vfs_write+0xc1c/0xf40
[  417.430792][  T563]  ? kernel_write+0x3c0/0x3c0
[  417.435447][  T563]  ? do_sys_openat2+0x397/0x470
[  417.440270][  T563]  ? __kasan_check_read+0x11/0x20
[  417.445265][  T563]  ? __fdget_pos+0x27e/0x310
[  417.449829][  T563]  ksys_write+0x198/0x2c0
[  417.454137][  T563]  ? __ia32_sys_read+0x90/0x90
[  417.458892][  T563]  ? debug_smp_processor_id+0x17/0x20
[  417.464237][  T563]  __x64_sys_write+0x7b/0x90
[  417.468804][  T563]  do_syscall_64+0x34/0x70
[  417.473210][  T563]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  417.479080][  T563] RIP: 0033:0x7efdb4cf77c9
[  417.483473][  T563] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  417.503075][  T563] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  417.511469][  T563] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  417.519420][  T563] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  417.527375][  T563] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  417.535349][  T563] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  417.543316][  T563] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001f
[  417.552008][  T563] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  417.598067][  T554] FAULT_INJECTION: forcing a failure.
[  417.598067][  T554] name failslab, interval 1, probability 0, space 0, times 0
[  417.610844][  T554] CPU: 0 PID: 554 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  417.622510][  T554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  417.632552][  T554] Call Trace:
[  417.635846][  T554]  dump_stack_lvl+0x1e2/0x24b
[  417.640500][  T554]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  417.645954][  T554]  ? selinux_kernfs_init_security+0x1a8/0x760
[  417.651996][  T554]  dump_stack+0x15/0x17
[  417.656131][  T554]  should_fail+0x3c0/0x510
[  417.660544][  T554]  ? __kernfs_new_node+0x99/0x6e0
[  417.665545][  T554]  __should_failslab+0x9f/0xe0
[  417.670302][  T554]  should_failslab+0x9/0x20
[  417.674780][  T554]  __kmalloc_track_caller+0x5f/0x350
[  417.680068][  T554]  kstrdup_const+0x55/0x90
[  417.684463][  T554]  __kernfs_new_node+0x99/0x6e0
[  417.689287][  T554]  ? is_module_text_address+0xe1/0x140
[  417.694717][  T554]  ? kernfs_new_node+0x170/0x170
[  417.699627][  T554]  ? ptr_to_hashval+0x60/0x60
[  417.704277][  T554]  ? arch_stack_walk+0xf8/0x140
[  417.709102][  T554]  ? snprintf+0xd6/0x120
[  417.713328][  T554]  kernfs_new_node+0x97/0x170
[  417.717984][  T554]  __kernfs_create_file+0x4a/0x270
[  417.723070][  T554]  cgroup_addrm_files+0xab8/0xfe0
[  417.728069][  T554]  ? ____kasan_kmalloc+0xdc/0x110
[  417.733064][  T554]  ? __kasan_kmalloc+0x9/0x10
[  417.737720][  T554]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  417.743247][  T554]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  417.749378][  T554]  ? delete_node+0x759/0x7b0
[  417.753985][  T554]  ? __kasan_check_read+0x11/0x20
[  417.759013][  T554]  ? delete_node+0x759/0x7b0
[  417.763575][  T554]  ? __kasan_check_write+0x14/0x20
[  417.768662][  T554]  ? idr_replace+0x1c4/0x230
[  417.773227][  T554]  ? idr_get_next+0x4b0/0x4b0
[  417.777879][  T554]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  417.782884][  T554]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  417.788057][  T554]  css_populate_dir+0x137/0x370
[  417.792882][  T554]  cgroup_apply_control_enable+0x8b9/0x12f0
[  417.798751][  T554]  cgroup_apply_control+0x93/0x710
[  417.803833][  T554]  ? css_next_child+0x160/0x160
[  417.808676][  T554]  ? stack_trace_save+0x12d/0x1f0
[  417.813693][  T554]  ? io_schedule+0x120/0x120
[  417.818276][  T554]  ? kernfs_fop_write_iter+0x15e/0x410
[  417.825533][  T554]  ? __kasan_check_write+0x14/0x20
[  417.830618][  T554]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  417.835899][  T554]  cgroup_subtree_control_write+0xd19/0x1310
[  417.841856][  T554]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  417.847907][  T554]  ? __kasan_check_write+0x14/0x20
[  417.852997][  T554]  ? _copy_from_iter+0x3fb/0xd60
[  417.857925][  T554]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  417.863880][  T554]  cgroup_file_write+0x28e/0x590
[  417.868791][  T554]  ? cgroup_seqfile_stop+0xc0/0xc0
[  417.873879][  T554]  ? mutex_lock+0xa6/0x110
[  417.878274][  T554]  ? mutex_trylock+0xb0/0xb0
[  417.882858][  T554]  ? __kasan_check_write+0x14/0x20
[  417.887941][  T554]  kernfs_fop_write_iter+0x2d0/0x410
[  417.893203][  T554]  ? cgroup_seqfile_stop+0xc0/0xc0
[  417.898288][  T554]  vfs_write+0xc1c/0xf40
[  417.902506][  T554]  ? slab_free_freelist_hook+0xcc/0x1a0
[  417.908026][  T554]  ? kernel_write+0x3c0/0x3c0
[  417.912677][  T554]  ? do_sys_openat2+0x397/0x470
[  417.917505][  T554]  ? __kasan_check_read+0x11/0x20
[  417.922504][  T554]  ? __fdget_pos+0x27e/0x310
[  417.927068][  T554]  ksys_write+0x198/0x2c0
[  417.931985][  T554]  ? __ia32_sys_read+0x90/0x90
[  417.936723][  T554]  ? debug_smp_processor_id+0x17/0x20
[  417.942069][  T554]  __x64_sys_write+0x7b/0x90
[  417.946640][  T554]  do_syscall_64+0x34/0x70
[  417.951033][  T554]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  417.956897][  T554] RIP: 0033:0x7efdb4cf77c9
[  417.961287][  T554] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  417.980891][  T554] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  417.989292][  T554] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
executing program
[  417.997253][  T554] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  418.005203][  T554] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  418.013153][  T554] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  418.021113][  T554] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001c
[  418.029195][  T554] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  418.078171][  T561] FAULT_INJECTION: forcing a failure.
[  418.078171][  T561] name failslab, interval 1, probability 0, space 0, times 0
[  418.090950][  T561] CPU: 0 PID: 561 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  418.102758][  T561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  418.112791][  T561] Call Trace:
[  418.116061][  T561]  dump_stack_lvl+0x1e2/0x24b
[  418.120715][  T561]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  418.126148][  T561]  ? selinux_kernfs_init_security+0x1a8/0x760
[  418.132191][  T561]  dump_stack+0x15/0x17
[  418.136327][  T561]  should_fail+0x3c0/0x510
[  418.140723][  T561]  ? __kernfs_new_node+0x99/0x6e0
[  418.145744][  T561]  __should_failslab+0x9f/0xe0
[  418.150484][  T561]  should_failslab+0x9/0x20
[  418.154960][  T561]  __kmalloc_track_caller+0x5f/0x350
[  418.160222][  T561]  kstrdup_const+0x55/0x90
[  418.164613][  T561]  __kernfs_new_node+0x99/0x6e0
[  418.169448][  T561]  ? is_module_text_address+0xe1/0x140
[  418.174884][  T561]  ? kernfs_new_node+0x170/0x170
[  418.179818][  T561]  ? ptr_to_hashval+0x60/0x60
[  418.184489][  T561]  ? snprintf+0xd6/0x120
[  418.188707][  T561]  ? __kasan_check_write+0x14/0x20
[  418.193821][  T561]  ? mutex_unlock+0x1d/0x40
[  418.198306][  T561]  kernfs_new_node+0x97/0x170
[  418.203003][  T561]  __kernfs_create_file+0x4a/0x270
[  418.208092][  T561]  cgroup_addrm_files+0xab8/0xfe0
[  418.213099][  T561]  ? ____kasan_kmalloc+0xdc/0x110
[  418.218107][  T561]  ? __kasan_kmalloc+0x9/0x10
[  418.222765][  T561]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  418.228295][  T561]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  418.234518][  T561]  ? delete_node+0x759/0x7b0
[  418.239084][  T561]  ? __kasan_check_read+0x11/0x20
[  418.244082][  T561]  ? idr_replace+0x1c4/0x230
[  418.248677][  T561]  ? idr_get_next+0x4b0/0x4b0
[  418.253327][  T561]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  418.258327][  T561]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  418.263504][  T561]  css_populate_dir+0x137/0x370
[  418.268355][  T561]  cgroup_apply_control_enable+0x8b9/0x12f0
[  418.274249][  T561]  cgroup_apply_control+0x93/0x710
[  418.279352][  T561]  ? css_next_child+0x160/0x160
[  418.284183][  T561]  ? stack_trace_save+0x12d/0x1f0
[  418.289180][  T561]  ? io_schedule+0x120/0x120
[  418.293745][  T561]  ? kernfs_fop_write_iter+0x15e/0x410
[  418.299193][  T561]  ? __kasan_check_write+0x14/0x20
[  418.304293][  T561]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  418.309556][  T561]  cgroup_subtree_control_write+0xd19/0x1310
[  418.315524][  T561]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  418.321486][  T561]  ? __kasan_check_write+0x14/0x20
[  418.326570][  T561]  ? _copy_from_iter+0x3fb/0xd60
[  418.331484][  T561]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  418.337434][  T561]  cgroup_file_write+0x28e/0x590
[  418.342362][  T561]  ? cgroup_seqfile_stop+0xc0/0xc0
[  418.347446][  T561]  ? mutex_lock+0xa6/0x110
[  418.351840][  T561]  ? mutex_trylock+0xb0/0xb0
[  418.356405][  T561]  ? __kasan_check_write+0x14/0x20
[  418.361492][  T561]  kernfs_fop_write_iter+0x2d0/0x410
[  418.366776][  T561]  ? cgroup_seqfile_stop+0xc0/0xc0
[  418.371873][  T561]  vfs_write+0xc1c/0xf40
[  418.376098][  T561]  ? slab_free_freelist_hook+0xcc/0x1a0
[  418.381626][  T561]  ? kernel_write+0x3c0/0x3c0
[  418.386280][  T561]  ? do_sys_openat2+0x397/0x470
[  418.391108][  T561]  ? __kasan_check_read+0x11/0x20
[  418.396124][  T561]  ? __fdget_pos+0x27e/0x310
[  418.400690][  T561]  ksys_write+0x198/0x2c0
[  418.405001][  T561]  ? __ia32_sys_read+0x90/0x90
[  418.409758][  T561]  ? debug_smp_processor_id+0x17/0x20
[  418.415107][  T561]  __x64_sys_write+0x7b/0x90
[  418.419691][  T561]  do_syscall_64+0x34/0x70
[  418.424084][  T561]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  418.429955][  T561] RIP: 0033:0x7efdb4cf77c9
[  418.434354][  T561] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  418.454019][  T561] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  418.462433][  T561] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  418.470381][  T561] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  418.478326][  T561] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  418.486271][  T561] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  418.494221][  T561] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000021
[  418.502264][  T561] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  418.548240][  T570] FAULT_INJECTION: forcing a failure.
[  418.548240][  T570] name failslab, interval 1, probability 0, space 0, times 0
[  418.560928][  T570] CPU: 1 PID: 570 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  418.572573][  T570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  418.582611][  T570] Call Trace:
[  418.585893][  T570]  dump_stack_lvl+0x1e2/0x24b
[  418.590549][  T570]  ? panic+0x7d7/0x7d7
[  418.594595][  T570]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  418.600039][  T570]  ? do_syscall_64+0x34/0x70
[  418.604607][  T570]  dump_stack+0x15/0x17
[  418.608745][  T570]  should_fail+0x3c0/0x510
[  418.613228][  T570]  __should_failslab+0x9f/0xe0
[  418.617965][  T570]  should_failslab+0x9/0x20
[  418.622441][  T570]  kmem_cache_alloc+0x3f/0x300
[  418.627177][  T570]  ? __kernfs_new_node+0xdb/0x6e0
[  418.632169][  T570]  __kernfs_new_node+0xdb/0x6e0
[  418.636991][  T570]  ? is_module_text_address+0xe1/0x140
[  418.642419][  T570]  ? kernfs_new_node+0x170/0x170
[  418.647342][  T570]  ? ptr_to_hashval+0x60/0x60
[  418.652004][  T570]  ? arch_stack_walk+0xf8/0x140
[  418.656825][  T570]  ? snprintf+0xd6/0x120
[  418.661043][  T570]  kernfs_new_node+0x97/0x170
[  418.665703][  T570]  __kernfs_create_file+0x4a/0x270
[  418.670784][  T570]  cgroup_addrm_files+0xab8/0xfe0
[  418.675778][  T570]  ? ____kasan_kmalloc+0xdc/0x110
[  418.680770][  T570]  ? __kasan_kmalloc+0x9/0x10
[  418.685420][  T570]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  418.690936][  T570]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  418.697060][  T570]  ? delete_node+0x759/0x7b0
[  418.701652][  T570]  ? __kasan_check_read+0x11/0x20
[  418.706658][  T570]  ? delete_node+0x759/0x7b0
[  418.711221][  T570]  ? __kasan_check_write+0x14/0x20
[  418.716299][  T570]  ? idr_replace+0x1c4/0x230
[  418.720860][  T570]  ? idr_get_next+0x4b0/0x4b0
[  418.725507][  T570]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  418.730499][  T570]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  418.735668][  T570]  css_populate_dir+0x137/0x370
[  418.740494][  T570]  cgroup_apply_control_enable+0x8b9/0x12f0
[  418.746358][  T570]  cgroup_apply_control+0x93/0x710
[  418.751450][  T570]  ? css_next_child+0x160/0x160
[  418.756283][  T570]  ? io_schedule+0x120/0x120
[  418.760846][  T570]  ? kernfs_fop_write_iter+0x15e/0x410
[  418.766277][  T570]  ? __kasan_check_write+0x14/0x20
[  418.771358][  T570]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  418.776617][  T570]  cgroup_subtree_control_write+0xd19/0x1310
[  418.782584][  T570]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  418.788536][  T570]  ? __kasan_check_write+0x14/0x20
[  418.793619][  T570]  ? _copy_from_iter+0x3fb/0xd60
[  418.798528][  T570]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  418.804477][  T570]  cgroup_file_write+0x28e/0x590
[  418.809390][  T570]  ? cgroup_seqfile_stop+0xc0/0xc0
[  418.814472][  T570]  ? mutex_lock+0xa6/0x110
[  418.818861][  T570]  ? mutex_trylock+0xb0/0xb0
[  418.823513][  T570]  ? __kasan_check_write+0x14/0x20
[  418.828598][  T570]  kernfs_fop_write_iter+0x2d0/0x410
[  418.833854][  T570]  ? cgroup_seqfile_stop+0xc0/0xc0
[  418.838935][  T570]  vfs_write+0xc1c/0xf40
[  418.843164][  T570]  ? kernel_write+0x3c0/0x3c0
[  418.847824][  T570]  ? do_sys_openat2+0x397/0x470
[  418.852645][  T570]  ? __kasan_check_read+0x11/0x20
[  418.857642][  T570]  ? __fdget_pos+0x27e/0x310
[  418.862202][  T570]  ksys_write+0x198/0x2c0
[  418.866527][  T570]  ? __ia32_sys_read+0x90/0x90
[  418.871262][  T570]  ? debug_smp_processor_id+0x17/0x20
[  418.876606][  T570]  __x64_sys_write+0x7b/0x90
[  418.881175][  T570]  do_syscall_64+0x34/0x70
[  418.885565][  T570]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  418.891427][  T570] RIP: 0033:0x7efdb4cf77c9
[  418.895821][  T570] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  418.915448][  T570] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  418.923843][  T570] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  418.931794][  T570] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  418.939793][  T570] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  418.947747][  T570] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  418.955702][  T570] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000022
[  418.964265][  T570] cgroup: cgroup_addrm_files: failed to add max, err=-12
executing program
[  419.008235][  T569] FAULT_INJECTION: forcing a failure.
[  419.008235][  T569] name failslab, interval 1, probability 0, space 0, times 0
[  419.020861][  T569] CPU: 0 PID: 569 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  419.032470][  T569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  419.042498][  T569] Call Trace:
[  419.045766][  T569]  dump_stack_lvl+0x1e2/0x24b
[  419.050418][  T569]  ? panic+0x7d7/0x7d7
[  419.054457][  T569]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  419.059886][  T569]  ? selinux_kernfs_init_security+0x1a8/0x760
[  419.065930][  T569]  dump_stack+0x15/0x17
[  419.070059][  T569]  should_fail+0x3c0/0x510
[  419.074451][  T569]  __should_failslab+0x9f/0xe0
[  419.079201][  T569]  should_failslab+0x9/0x20
[  419.083679][  T569]  kmem_cache_alloc+0x3f/0x300
[  419.088426][  T569]  ? __kernfs_new_node+0xdb/0x6e0
[  419.093422][  T569]  __kernfs_new_node+0xdb/0x6e0
[  419.098254][  T569]  ? is_module_text_address+0xe1/0x140
[  419.103692][  T569]  ? kernfs_new_node+0x170/0x170
[  419.108609][  T569]  ? ptr_to_hashval+0x60/0x60
[  419.113259][  T569]  ? arch_stack_walk+0xf8/0x140
[  419.118085][  T569]  ? snprintf+0xd6/0x120
[  419.122305][  T569]  kernfs_new_node+0x97/0x170
[  419.126954][  T569]  __kernfs_create_file+0x4a/0x270
[  419.132040][  T569]  cgroup_addrm_files+0xab8/0xfe0
[  419.137038][  T569]  ? ____kasan_kmalloc+0xdc/0x110
[  419.142207][  T569]  ? __kasan_kmalloc+0x9/0x10
[  419.146862][  T569]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  419.152383][  T569]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  419.158561][  T569]  ? delete_node+0x759/0x7b0
[  419.163135][  T569]  ? __kasan_check_read+0x11/0x20
[  419.168140][  T569]  ? delete_node+0x759/0x7b0
[  419.172704][  T569]  ? __kasan_check_write+0x14/0x20
[  419.177793][  T569]  ? idr_replace+0x1c4/0x230
[  419.182357][  T569]  ? idr_get_next+0x4b0/0x4b0
[  419.187006][  T569]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  419.192002][  T569]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  419.197183][  T569]  css_populate_dir+0x137/0x370
[  419.202015][  T569]  cgroup_apply_control_enable+0x8b9/0x12f0
[  419.207888][  T569]  cgroup_apply_control+0x93/0x710
[  419.212975][  T569]  ? css_next_child+0x160/0x160
[  419.217799][  T569]  ? stack_trace_save+0x12d/0x1f0
[  419.222799][  T569]  ? io_schedule+0x120/0x120
[  419.227369][  T569]  ? kernfs_fop_write_iter+0x15e/0x410
[  419.232801][  T569]  ? __kasan_check_write+0x14/0x20
[  419.237883][  T569]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  419.243166][  T569]  cgroup_subtree_control_write+0xd19/0x1310
[  419.249208][  T569]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  419.255184][  T569]  ? __kasan_check_write+0x14/0x20
[  419.260268][  T569]  ? _copy_from_iter+0x3fb/0xd60
[  419.265184][  T569]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  419.271140][  T569]  cgroup_file_write+0x28e/0x590
[  419.276051][  T569]  ? cgroup_seqfile_stop+0xc0/0xc0
[  419.281153][  T569]  ? mutex_lock+0xa6/0x110
[  419.285544][  T569]  ? mutex_trylock+0xb0/0xb0
[  419.290110][  T569]  ? __kasan_check_write+0x14/0x20
[  419.295217][  T569]  kernfs_fop_write_iter+0x2d0/0x410
[  419.300481][  T569]  ? cgroup_seqfile_stop+0xc0/0xc0
[  419.305574][  T569]  vfs_write+0xc1c/0xf40
[  419.309793][  T569]  ? slab_free_freelist_hook+0xcc/0x1a0
[  419.315314][  T569]  ? kernel_write+0x3c0/0x3c0
[  419.319969][  T569]  ? do_sys_openat2+0x397/0x470
[  419.324795][  T569]  ? __kasan_check_read+0x11/0x20
[  419.329795][  T569]  ? __fdget_pos+0x27e/0x310
[  419.334376][  T569]  ksys_write+0x198/0x2c0
[  419.338693][  T569]  ? __ia32_sys_read+0x90/0x90
[  419.343439][  T569]  ? debug_smp_processor_id+0x17/0x20
[  419.348788][  T569]  __x64_sys_write+0x7b/0x90
[  419.353369][  T569]  do_syscall_64+0x34/0x70
[  419.357768][  T569]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  419.363748][  T569] RIP: 0033:0x7efdb4cf77c9
[  419.368156][  T569] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  419.387739][  T569] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  419.396152][  T569] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  419.404098][  T569] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  419.412056][  T569] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  419.420007][  T569] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  419.427955][  T569] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001d
[  419.436034][  T569] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  419.458167][  T566] FAULT_INJECTION: forcing a failure.
[  419.458167][  T566] name failslab, interval 1, probability 0, space 0, times 0
[  419.470854][  T566] CPU: 0 PID: 566 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  419.482485][  T566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  419.492603][  T566] Call Trace:
[  419.495876][  T566]  dump_stack_lvl+0x1e2/0x24b
[  419.500532][  T566]  ? panic+0x7d7/0x7d7
[  419.504600][  T566]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  419.510060][  T566]  ? selinux_kernfs_init_security+0x1a8/0x760
[  419.516099][  T566]  dump_stack+0x15/0x17
[  419.520231][  T566]  should_fail+0x3c0/0x510
[  419.524624][  T566]  __should_failslab+0x9f/0xe0
[  419.529361][  T566]  should_failslab+0x9/0x20
[  419.533857][  T566]  kmem_cache_alloc+0x3f/0x300
[  419.538595][  T566]  ? __kernfs_new_node+0xdb/0x6e0
[  419.543596][  T566]  __kernfs_new_node+0xdb/0x6e0
[  419.548422][  T566]  ? is_module_text_address+0xe1/0x140
[  419.553858][  T566]  ? kernfs_new_node+0x170/0x170
[  419.558770][  T566]  ? ptr_to_hashval+0x60/0x60
[  419.563430][  T566]  ? arch_stack_walk+0xf8/0x140
[  419.568257][  T566]  ? snprintf+0xd6/0x120
[  419.572471][  T566]  kernfs_new_node+0x97/0x170
[  419.577120][  T566]  __kernfs_create_file+0x4a/0x270
[  419.582212][  T566]  cgroup_addrm_files+0xab8/0xfe0
[  419.587214][  T566]  ? ____kasan_kmalloc+0xdc/0x110
[  419.592213][  T566]  ? __kasan_kmalloc+0x9/0x10
[  419.596952][  T566]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  419.602472][  T566]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  419.608596][  T566]  ? delete_node+0x759/0x7b0
[  419.613162][  T566]  ? __kasan_check_read+0x11/0x20
[  419.618428][  T566]  ? delete_node+0x759/0x7b0
[  419.622996][  T566]  ? __kasan_check_write+0x14/0x20
[  419.628101][  T566]  ? idr_replace+0x1c4/0x230
[  419.632667][  T566]  ? idr_get_next+0x4b0/0x4b0
[  419.637357][  T566]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  419.642355][  T566]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  419.647552][  T566]  css_populate_dir+0x137/0x370
[  419.652389][  T566]  cgroup_apply_control_enable+0x8b9/0x12f0
[  419.658256][  T566]  cgroup_apply_control+0x93/0x710
[  419.663344][  T566]  ? css_next_child+0x160/0x160
[  419.668166][  T566]  ? stack_trace_save+0x12d/0x1f0
[  419.673166][  T566]  ? io_schedule+0x120/0x120
[  419.677730][  T566]  ? kernfs_fop_write_iter+0x15e/0x410
[  419.683169][  T566]  ? __kasan_check_write+0x14/0x20
[  419.688268][  T566]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  419.693527][  T566]  cgroup_subtree_control_write+0xd19/0x1310
[  419.699484][  T566]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  419.705445][  T566]  ? __kasan_check_write+0x14/0x20
[  419.710558][  T566]  ? _copy_from_iter+0x3fb/0xd60
[  419.715727][  T566]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  419.721694][  T566]  cgroup_file_write+0x28e/0x590
[  419.726608][  T566]  ? cgroup_seqfile_stop+0xc0/0xc0
[  419.731694][  T566]  ? mutex_lock+0xa6/0x110
[  419.736100][  T566]  ? mutex_trylock+0xb0/0xb0
[  419.740664][  T566]  ? __kasan_check_write+0x14/0x20
[  419.745754][  T566]  kernfs_fop_write_iter+0x2d0/0x410
[  419.751030][  T566]  ? cgroup_seqfile_stop+0xc0/0xc0
[  419.756113][  T566]  vfs_write+0xc1c/0xf40
[  419.760332][  T566]  ? slab_free_freelist_hook+0xcc/0x1a0
[  419.765853][  T566]  ? kernel_write+0x3c0/0x3c0
[  419.770523][  T566]  ? do_sys_openat2+0x397/0x470
[  419.775347][  T566]  ? __kasan_check_read+0x11/0x20
[  419.780362][  T566]  ? __fdget_pos+0x27e/0x310
[  419.784926][  T566]  ksys_write+0x198/0x2c0
[  419.789232][  T566]  ? __kasan_check_write+0x14/0x20
[  419.794318][  T566]  ? __ia32_sys_read+0x90/0x90
[  419.799056][  T566]  ? debug_smp_processor_id+0x17/0x20
[  419.804400][  T566]  __x64_sys_write+0x7b/0x90
[  419.808961][  T566]  do_syscall_64+0x34/0x70
[  419.813370][  T566]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  419.819238][  T566] RIP: 0033:0x7efdb4cf77c9
[  419.823625][  T566] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  419.843210][  T566] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  419.851605][  T566] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  419.859571][  T566] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  419.867629][  T566] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  419.875599][  T566] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  419.883564][  T566] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000021
[  419.891630][  T566] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  419.938242][  T572] FAULT_INJECTION: forcing a failure.
[  419.938242][  T572] name failslab, interval 1, probability 0, space 0, times 0
[  419.950973][  T572] CPU: 0 PID: 572 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  419.962666][  T572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  419.972696][  T572] Call Trace:
[  419.975964][  T572]  dump_stack_lvl+0x1e2/0x24b
[  419.980614][  T572]  ? panic+0x7d7/0x7d7
[  419.984656][  T572]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  419.990086][  T572]  ? selinux_kernfs_init_security+0x1a8/0x760
[  419.996125][  T572]  dump_stack+0x15/0x17
[  420.000381][  T572]  should_fail+0x3c0/0x510
[  420.004782][  T572]  __should_failslab+0x9f/0xe0
[  420.009523][  T572]  should_failslab+0x9/0x20
[  420.014011][  T572]  kmem_cache_alloc+0x3f/0x300
[  420.018755][  T572]  ? __kernfs_new_node+0xdb/0x6e0
[  420.023757][  T572]  __kernfs_new_node+0xdb/0x6e0
[  420.028583][  T572]  ? is_module_text_address+0xe1/0x140
[  420.034017][  T572]  ? kernfs_new_node+0x170/0x170
[  420.038929][  T572]  ? ptr_to_hashval+0x60/0x60
[  420.043579][  T572]  ? arch_stack_walk+0xf8/0x140
[  420.048405][  T572]  ? snprintf+0xd6/0x120
[  420.052619][  T572]  kernfs_new_node+0x97/0x170
[  420.057267][  T572]  __kernfs_create_file+0x4a/0x270
[  420.062415][  T572]  cgroup_addrm_files+0xab8/0xfe0
[  420.067413][  T572]  ? ____kasan_kmalloc+0xdc/0x110
[  420.072407][  T572]  ? __kasan_kmalloc+0x9/0x10
[  420.077064][  T572]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  420.082598][  T572]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  420.088726][  T572]  ? delete_node+0x759/0x7b0
[  420.093289][  T572]  ? __kasan_check_read+0x11/0x20
[  420.098290][  T572]  ? delete_node+0x759/0x7b0
[  420.102860][  T572]  ? __kasan_check_write+0x14/0x20
[  420.107944][  T572]  ? idr_replace+0x1c4/0x230
[  420.112508][  T572]  ? idr_get_next+0x4b0/0x4b0
[  420.117154][  T572]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  420.122163][  T572]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  420.127340][  T572]  css_populate_dir+0x137/0x370
[  420.132171][  T572]  cgroup_apply_control_enable+0x8b9/0x12f0
[  420.138041][  T572]  cgroup_apply_control+0x93/0x710
[  420.143126][  T572]  ? css_next_child+0x160/0x160
[  420.147946][  T572]  ? stack_trace_save+0x12d/0x1f0
[  420.152942][  T572]  ? io_schedule+0x120/0x120
[  420.157504][  T572]  ? kernfs_fop_write_iter+0x15e/0x410
[  420.162935][  T572]  ? __kasan_check_write+0x14/0x20
[  420.168021][  T572]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  420.173276][  T572]  cgroup_subtree_control_write+0xd19/0x1310
[  420.179238][  T572]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  420.185202][  T572]  ? __kasan_check_write+0x14/0x20
[  420.190290][  T572]  ? _copy_from_iter+0x3fb/0xd60
[  420.195200][  T572]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  420.201158][  T572]  cgroup_file_write+0x28e/0x590
[  420.206078][  T572]  ? cgroup_seqfile_stop+0xc0/0xc0
[  420.211258][  T572]  ? mutex_lock+0xa6/0x110
[  420.215649][  T572]  ? mutex_trylock+0xb0/0xb0
[  420.220210][  T572]  ? __kasan_check_write+0x14/0x20
[  420.225357][  T572]  kernfs_fop_write_iter+0x2d0/0x410
[  420.230627][  T572]  ? cgroup_seqfile_stop+0xc0/0xc0
[  420.235714][  T572]  vfs_write+0xc1c/0xf40
[  420.239927][  T572]  ? slab_free_freelist_hook+0xcc/0x1a0
[  420.245444][  T572]  ? kernel_write+0x3c0/0x3c0
[  420.250093][  T572]  ? do_sys_openat2+0x397/0x470
[  420.254917][  T572]  ? __kasan_check_read+0x11/0x20
[  420.259931][  T572]  ? __fdget_pos+0x27e/0x310
[  420.264491][  T572]  ksys_write+0x198/0x2c0
[  420.268803][  T572]  ? __ia32_sys_read+0x90/0x90
[  420.273540][  T572]  ? debug_smp_processor_id+0x17/0x20
[  420.278882][  T572]  __x64_sys_write+0x7b/0x90
[  420.283441][  T572]  do_syscall_64+0x34/0x70
[  420.287829][  T572]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  420.293745][  T572] RIP: 0033:0x7efdb4cf77c9
[  420.298137][  T572] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  420.317831][  T572] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  420.326241][  T572] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  420.334189][  T572] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  420.342139][  T572] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  420.350101][  T572] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  420.358043][  T572] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001b
[  420.366093][  T572] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  420.408218][  T575] FAULT_INJECTION: forcing a failure.
[  420.408218][  T575] name failslab, interval 1, probability 0, space 0, times 0
[  420.421123][  T575] CPU: 0 PID: 575 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  420.432721][  T575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  420.442750][  T575] Call Trace:
[  420.446017][  T575]  dump_stack_lvl+0x1e2/0x24b
[  420.450670][  T575]  ? panic+0x7d7/0x7d7
[  420.454714][  T575]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  420.460158][  T575]  ? selinux_kernfs_init_security+0x1a8/0x760
[  420.466211][  T575]  dump_stack+0x15/0x17
[  420.470339][  T575]  should_fail+0x3c0/0x510
[  420.474727][  T575]  __should_failslab+0x9f/0xe0
[  420.479467][  T575]  should_failslab+0x9/0x20
[  420.483942][  T575]  kmem_cache_alloc+0x3f/0x300
[  420.488680][  T575]  ? __kernfs_new_node+0xdb/0x6e0
[  420.493673][  T575]  __kernfs_new_node+0xdb/0x6e0
[  420.498496][  T575]  ? is_module_text_address+0xe1/0x140
[  420.503928][  T575]  ? kernfs_new_node+0x170/0x170
[  420.508834][  T575]  ? ptr_to_hashval+0x60/0x60
[  420.513491][  T575]  ? arch_stack_walk+0xf8/0x140
[  420.518322][  T575]  ? snprintf+0xd6/0x120
[  420.522536][  T575]  kernfs_new_node+0x97/0x170
[  420.527198][  T575]  __kernfs_create_file+0x4a/0x270
[  420.532281][  T575]  cgroup_addrm_files+0xab8/0xfe0
[  420.537276][  T575]  ? ____kasan_kmalloc+0xdc/0x110
[  420.542268][  T575]  ? __kasan_kmalloc+0x9/0x10
[  420.546948][  T575]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  420.552465][  T575]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  420.558588][  T575]  ? delete_node+0x759/0x7b0
[  420.563150][  T575]  ? __kasan_check_read+0x11/0x20
[  420.568147][  T575]  ? delete_node+0x759/0x7b0
[  420.572727][  T575]  ? __kasan_check_write+0x14/0x20
[  420.577818][  T575]  ? idr_replace+0x1c4/0x230
[  420.582381][  T575]  ? idr_get_next+0x4b0/0x4b0
[  420.587026][  T575]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  420.592020][  T575]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  420.597193][  T575]  css_populate_dir+0x137/0x370
[  420.602018][  T575]  cgroup_apply_control_enable+0x8b9/0x12f0
[  420.607900][  T575]  cgroup_apply_control+0x93/0x710
[  420.612983][  T575]  ? css_next_child+0x160/0x160
[  420.617807][  T575]  ? stack_trace_save+0x12d/0x1f0
[  420.622804][  T575]  ? io_schedule+0x120/0x120
[  420.627369][  T575]  ? kernfs_fop_write_iter+0x15e/0x410
[  420.632816][  T575]  ? __kasan_check_write+0x14/0x20
[  420.637897][  T575]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  420.643179][  T575]  cgroup_subtree_control_write+0xd19/0x1310
[  420.649133][  T575]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  420.655086][  T575]  ? __kasan_check_write+0x14/0x20
[  420.660169][  T575]  ? _copy_from_iter+0x3fb/0xd60
[  420.665090][  T575]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  420.671052][  T575]  cgroup_file_write+0x28e/0x590
[  420.675959][  T575]  ? cgroup_seqfile_stop+0xc0/0xc0
[  420.681065][  T575]  ? mutex_lock+0xa6/0x110
[  420.685452][  T575]  ? mutex_trylock+0xb0/0xb0
[  420.690108][  T575]  ? __kasan_check_write+0x14/0x20
[  420.695193][  T575]  kernfs_fop_write_iter+0x2d0/0x410
[  420.700449][  T575]  ? cgroup_seqfile_stop+0xc0/0xc0
[  420.705543][  T575]  vfs_write+0xc1c/0xf40
[  420.709774][  T575]  ? slab_free_freelist_hook+0xcc/0x1a0
[  420.715309][  T575]  ? kernel_write+0x3c0/0x3c0
[  420.719984][  T575]  ? do_sys_openat2+0x397/0x470
[  420.724824][  T575]  ? __kasan_check_read+0x11/0x20
[  420.729837][  T575]  ? __fdget_pos+0x27e/0x310
[  420.734411][  T575]  ksys_write+0x198/0x2c0
[  420.738728][  T575]  ? __ia32_sys_read+0x90/0x90
[  420.743560][  T575]  ? debug_smp_processor_id+0x17/0x20
[  420.748909][  T575]  __x64_sys_write+0x7b/0x90
[  420.753473][  T575]  do_syscall_64+0x34/0x70
[  420.757875][  T575]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  420.763746][  T575] RIP: 0033:0x7efdb4cf77c9
[  420.768143][  T575] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  420.787731][  T575] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  420.796135][  T575] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  420.804082][  T575] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  420.812028][  T575] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  420.819977][  T575] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  420.827935][  T575] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001c
[  420.836250][  T575] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  420.878163][  T573] FAULT_INJECTION: forcing a failure.
[  420.878163][  T573] name failslab, interval 1, probability 0, space 0, times 0
[  420.891090][  T573] CPU: 1 PID: 573 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  420.902703][  T573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  420.912732][  T573] Call Trace:
[  420.915996][  T573]  dump_stack_lvl+0x1e2/0x24b
[  420.920646][  T573]  ? panic+0x7d7/0x7d7
[  420.924688][  T573]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  420.930125][  T573]  ? selinux_kernfs_init_security+0x1a8/0x760
[  420.936164][  T573]  dump_stack+0x15/0x17
[  420.940347][  T573]  should_fail+0x3c0/0x510
[  420.944735][  T573]  __should_failslab+0x9f/0xe0
[  420.949470][  T573]  should_failslab+0x9/0x20
[  420.953958][  T573]  kmem_cache_alloc+0x3f/0x300
[  420.958732][  T573]  ? __kernfs_new_node+0xdb/0x6e0
[  420.963733][  T573]  __kernfs_new_node+0xdb/0x6e0
[  420.968683][  T573]  ? is_module_text_address+0xe1/0x140
[  420.974127][  T573]  ? kernfs_new_node+0x170/0x170
[  420.979049][  T573]  ? ptr_to_hashval+0x60/0x60
[  420.983824][  T573]  ? arch_stack_walk+0xf8/0x140
[  420.988667][  T573]  ? snprintf+0xd6/0x120
[  420.993003][  T573]  kernfs_new_node+0x97/0x170
[  420.997658][  T573]  __kernfs_create_file+0x4a/0x270
[  421.002749][  T573]  cgroup_addrm_files+0xab8/0xfe0
[  421.007762][  T573]  ? ____kasan_kmalloc+0xdc/0x110
[  421.012766][  T573]  ? __kasan_kmalloc+0x9/0x10
[  421.017418][  T573]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  421.022937][  T573]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  421.029069][  T573]  ? delete_node+0x759/0x7b0
[  421.033632][  T573]  ? __kasan_check_read+0x11/0x20
[  421.038669][  T573]  ? delete_node+0x759/0x7b0
[  421.043234][  T573]  ? __kasan_check_write+0x14/0x20
[  421.048319][  T573]  ? idr_replace+0x1c4/0x230
[  421.052894][  T573]  ? idr_get_next+0x4b0/0x4b0
[  421.057539][  T573]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  421.062534][  T573]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  421.067707][  T573]  css_populate_dir+0x137/0x370
[  421.072530][  T573]  cgroup_apply_control_enable+0x8b9/0x12f0
[  421.078410][  T573]  cgroup_apply_control+0x93/0x710
[  421.083514][  T573]  ? css_next_child+0x160/0x160
[  421.088341][  T573]  ? stack_trace_save+0x12d/0x1f0
[  421.093398][  T573]  ? io_schedule+0x120/0x120
[  421.097966][  T573]  ? kernfs_fop_write_iter+0x15e/0x410
[  421.103485][  T573]  ? __kasan_check_write+0x14/0x20
[  421.108574][  T573]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  421.113832][  T573]  cgroup_subtree_control_write+0xd19/0x1310
[  421.119787][  T573]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  421.125751][  T573]  ? __kasan_check_write+0x14/0x20
[  421.130851][  T573]  ? _copy_from_iter+0x3fb/0xd60
[  421.135760][  T573]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  421.141711][  T573]  cgroup_file_write+0x28e/0x590
[  421.146639][  T573]  ? cgroup_seqfile_stop+0xc0/0xc0
[  421.151738][  T573]  ? mutex_lock+0xa6/0x110
[  421.156143][  T573]  ? mutex_trylock+0xb0/0xb0
[  421.160728][  T573]  ? __kasan_check_write+0x14/0x20
[  421.165824][  T573]  kernfs_fop_write_iter+0x2d0/0x410
[  421.171087][  T573]  ? cgroup_seqfile_stop+0xc0/0xc0
[  421.176194][  T573]  vfs_write+0xc1c/0xf40
[  421.180413][  T573]  ? slab_free_freelist_hook+0xcc/0x1a0
[  421.185932][  T573]  ? kernel_write+0x3c0/0x3c0
[  421.190590][  T573]  ? do_sys_openat2+0x397/0x470
[  421.195417][  T573]  ? __kasan_check_read+0x11/0x20
[  421.200419][  T573]  ? __fdget_pos+0x27e/0x310
[  421.205093][  T573]  ksys_write+0x198/0x2c0
[  421.209400][  T573]  ? __ia32_sys_read+0x90/0x90
[  421.214134][  T573]  ? debug_smp_processor_id+0x17/0x20
[  421.219478][  T573]  __x64_sys_write+0x7b/0x90
[  421.224042][  T573]  do_syscall_64+0x34/0x70
[  421.228431][  T573]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  421.234298][  T573] RIP: 0033:0x7efdb4cf77c9
[  421.238704][  T573] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  421.258293][  T573] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  421.266712][  T573] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  421.274772][  T573] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  421.282720][  T573] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  421.290672][  T573] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  421.298621][  T573] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001e
[  421.306693][  T573] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  421.348031][  T571] FAULT_INJECTION: forcing a failure.
[  421.348031][  T571] name failslab, interval 1, probability 0, space 0, times 0
[  421.360674][  T571] CPU: 1 PID: 571 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  421.372273][  T571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  421.382303][  T571] Call Trace:
[  421.385577][  T571]  dump_stack_lvl+0x1e2/0x24b
[  421.390227][  T571]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  421.395660][  T571]  ? selinux_kernfs_init_security+0x1a8/0x760
[  421.401707][  T571]  dump_stack+0x15/0x17
[  421.405848][  T571]  should_fail+0x3c0/0x510
[  421.410235][  T571]  ? __kernfs_new_node+0x99/0x6e0
[  421.415228][  T571]  __should_failslab+0x9f/0xe0
[  421.419968][  T571]  should_failslab+0x9/0x20
[  421.424442][  T571]  __kmalloc_track_caller+0x5f/0x350
[  421.429700][  T571]  kstrdup_const+0x55/0x90
[  421.434091][  T571]  __kernfs_new_node+0x99/0x6e0
[  421.438915][  T571]  ? is_module_text_address+0xe1/0x140
[  421.444349][  T571]  ? kernfs_new_node+0x170/0x170
[  421.449259][  T571]  ? ptr_to_hashval+0x60/0x60
[  421.453924][  T571]  ? snprintf+0xd6/0x120
[  421.458144][  T571]  ? __kasan_check_write+0x14/0x20
[  421.463228][  T571]  ? mutex_unlock+0x1d/0x40
[  421.467702][  T571]  kernfs_new_node+0x97/0x170
[  421.472348][  T571]  __kernfs_create_file+0x4a/0x270
[  421.477481][  T571]  cgroup_addrm_files+0xab8/0xfe0
[  421.482480][  T571]  ? ____kasan_kmalloc+0xdc/0x110
[  421.487496][  T571]  ? __kasan_kmalloc+0x9/0x10
[  421.492145][  T571]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  421.497665][  T571]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  421.503789][  T571]  ? delete_node+0x759/0x7b0
[  421.508351][  T571]  ? __kasan_check_read+0x11/0x20
[  421.513349][  T571]  ? idr_replace+0x1c4/0x230
[  421.518261][  T571]  ? idr_get_next+0x4b0/0x4b0
[  421.522921][  T571]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  421.527927][  T571]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  421.533109][  T571]  css_populate_dir+0x137/0x370
[  421.537930][  T571]  cgroup_apply_control_enable+0x8b9/0x12f0
[  421.543794][  T571]  cgroup_apply_control+0x93/0x710
[  421.548877][  T571]  ? css_next_child+0x160/0x160
[  421.553700][  T571]  ? stack_trace_save+0x12d/0x1f0
[  421.558709][  T571]  ? io_schedule+0x120/0x120
[  421.563278][  T571]  ? kernfs_fop_write_iter+0x15e/0x410
[  421.568725][  T571]  ? __kasan_check_write+0x14/0x20
[  421.573812][  T571]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  421.579066][  T571]  cgroup_subtree_control_write+0xd19/0x1310
[  421.585034][  T571]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  421.591010][  T571]  ? __kasan_check_write+0x14/0x20
[  421.596092][  T571]  ? _copy_from_iter+0x3fb/0xd60
[  421.601003][  T571]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  421.606966][  T571]  cgroup_file_write+0x28e/0x590
[  421.611878][  T571]  ? cgroup_seqfile_stop+0xc0/0xc0
[  421.616961][  T571]  ? mutex_lock+0xa6/0x110
[  421.621347][  T571]  ? mutex_trylock+0xb0/0xb0
[  421.625913][  T571]  ? __kasan_check_write+0x14/0x20
[  421.631000][  T571]  kernfs_fop_write_iter+0x2d0/0x410
[  421.636257][  T571]  ? cgroup_seqfile_stop+0xc0/0xc0
[  421.641341][  T571]  vfs_write+0xc1c/0xf40
[  421.645555][  T571]  ? slab_free_freelist_hook+0xcc/0x1a0
[  421.651073][  T571]  ? kernel_write+0x3c0/0x3c0
[  421.655726][  T571]  ? do_sys_openat2+0x397/0x470
[  421.660547][  T571]  ? __kasan_check_read+0x11/0x20
[  421.665543][  T571]  ? __fdget_pos+0x27e/0x310
[  421.670104][  T571]  ksys_write+0x198/0x2c0
[  421.674402][  T571]  ? __ia32_sys_read+0x90/0x90
[  421.679138][  T571]  ? debug_smp_processor_id+0x17/0x20
[  421.684478][  T571]  __x64_sys_write+0x7b/0x90
[  421.689041][  T571]  do_syscall_64+0x34/0x70
[  421.693450][  T571]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  421.699318][  T571] RIP: 0033:0x7efdb4cf77c9
[  421.703705][  T571] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  421.723285][  T571] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  421.731671][  T571] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  421.739623][  T571] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  421.747574][  T571] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  421.755526][  T571] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  421.763468][  T571] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000023
[  421.771538][  T571] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  421.818190][  T578] FAULT_INJECTION: forcing a failure.
[  421.818190][  T578] name failslab, interval 1, probability 0, space 0, times 0
[  421.830852][  T578] CPU: 1 PID: 578 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  421.842457][  T578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  421.852509][  T578] Call Trace:
[  421.855775][  T578]  dump_stack_lvl+0x1e2/0x24b
[  421.860428][  T578]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  421.865861][  T578]  ? arch_stack_walk+0x106/0x140
[  421.870882][  T578]  ? do_syscall_64+0x34/0x70
[  421.875463][  T578]  dump_stack+0x15/0x17
[  421.879593][  T578]  should_fail+0x3c0/0x510
[  421.883984][  T578]  ? __kernfs_new_node+0x99/0x6e0
[  421.889022][  T578]  __should_failslab+0x9f/0xe0
[  421.893765][  T578]  should_failslab+0x9/0x20
[  421.898241][  T578]  __kmalloc_track_caller+0x5f/0x350
[  421.903507][  T578]  kstrdup_const+0x55/0x90
[  421.907899][  T578]  __kernfs_new_node+0x99/0x6e0
[  421.912734][  T578]  ? is_module_text_address+0xe1/0x140
[  421.918538][  T578]  ? kernfs_new_node+0x170/0x170
[  421.923456][  T578]  ? ptr_to_hashval+0x60/0x60
[  421.928115][  T578]  ? arch_stack_walk+0xf8/0x140
[  421.932947][  T578]  ? snprintf+0xd6/0x120
[  421.937166][  T578]  kernfs_new_node+0x97/0x170
[  421.941818][  T578]  __kernfs_create_file+0x4a/0x270
[  421.946904][  T578]  cgroup_addrm_files+0xab8/0xfe0
[  421.951905][  T578]  ? ____kasan_kmalloc+0xdc/0x110
[  421.956904][  T578]  ? __kasan_kmalloc+0x9/0x10
[  421.961587][  T578]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  421.967142][  T578]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  421.973279][  T578]  ? delete_node+0x759/0x7b0
[  421.977855][  T578]  ? __kasan_check_read+0x11/0x20
[  421.982854][  T578]  ? delete_node+0x759/0x7b0
[  421.987425][  T578]  ? __kasan_check_write+0x14/0x20
[  421.992515][  T578]  ? idr_replace+0x1c4/0x230
[  421.997105][  T578]  ? idr_get_next+0x4b0/0x4b0
[  422.001773][  T578]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  422.006776][  T578]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  422.011952][  T578]  css_populate_dir+0x137/0x370
[  422.016864][  T578]  cgroup_apply_control_enable+0x8b9/0x12f0
[  422.022749][  T578]  cgroup_apply_control+0x93/0x710
[  422.027844][  T578]  ? css_next_child+0x160/0x160
[  422.032673][  T578]  ? stack_trace_save+0x12d/0x1f0
[  422.037673][  T578]  ? io_schedule+0x120/0x120
[  422.042240][  T578]  ? kernfs_fop_write_iter+0x15e/0x410
[  422.047671][  T578]  ? __kasan_check_write+0x14/0x20
[  422.052853][  T578]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  422.058228][  T578]  cgroup_subtree_control_write+0xd19/0x1310
[  422.064181][  T578]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  422.070237][  T578]  ? __kasan_check_write+0x14/0x20
[  422.075322][  T578]  ? _copy_from_iter+0x3fb/0xd60
[  422.080238][  T578]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  422.086218][  T578]  cgroup_file_write+0x28e/0x590
[  422.091129][  T578]  ? cgroup_seqfile_stop+0xc0/0xc0
[  422.096216][  T578]  ? mutex_lock+0xa6/0x110
[  422.100604][  T578]  ? mutex_trylock+0xb0/0xb0
[  422.105167][  T578]  ? __kasan_check_write+0x14/0x20
[  422.110270][  T578]  kernfs_fop_write_iter+0x2d0/0x410
[  422.115546][  T578]  ? cgroup_seqfile_stop+0xc0/0xc0
[  422.120638][  T578]  vfs_write+0xc1c/0xf40
[  422.124990][  T578]  ? slab_free_freelist_hook+0xcc/0x1a0
[  422.130526][  T578]  ? kernel_write+0x3c0/0x3c0
[  422.135181][  T578]  ? do_sys_openat2+0x397/0x470
[  422.140020][  T578]  ? __kasan_check_read+0x11/0x20
[  422.145028][  T578]  ? __fdget_pos+0x27e/0x310
[  422.149591][  T578]  ksys_write+0x198/0x2c0
[  422.153924][  T578]  ? __kasan_check_write+0x14/0x20
[  422.159009][  T578]  ? __ia32_sys_read+0x90/0x90
[  422.163749][  T578]  ? debug_smp_processor_id+0x17/0x20
[  422.169253][  T578]  __x64_sys_write+0x7b/0x90
[  422.173897][  T578]  do_syscall_64+0x34/0x70
[  422.178310][  T578]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  422.184178][  T578] RIP: 0033:0x7efdb4cf77c9
[  422.188709][  T578] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  422.210221][  T578] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  422.218616][  T578] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  422.226587][  T578] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  422.234542][  T578] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  422.242492][  T578] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  422.250530][  T578] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000024
[  422.258660][  T578] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  422.278118][  T577] FAULT_INJECTION: forcing a failure.
[  422.278118][  T577] name failslab, interval 1, probability 0, space 0, times 0
[  422.290761][  T577] CPU: 1 PID: 577 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  422.302362][  T577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  422.312404][  T577] Call Trace:
[  422.315808][  T577]  dump_stack_lvl+0x1e2/0x24b
[  422.320475][  T577]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  422.325913][  T577]  ? selinux_kernfs_init_security+0x1a8/0x760
[  422.331958][  T577]  dump_stack+0x15/0x17
[  422.336087][  T577]  should_fail+0x3c0/0x510
[  422.340476][  T577]  ? __kernfs_new_node+0x99/0x6e0
[  422.345471][  T577]  __should_failslab+0x9f/0xe0
[  422.350208][  T577]  should_failslab+0x9/0x20
[  422.354688][  T577]  __kmalloc_track_caller+0x5f/0x350
[  422.359949][  T577]  kstrdup_const+0x55/0x90
[  422.364361][  T577]  __kernfs_new_node+0x99/0x6e0
[  422.369193][  T577]  ? is_module_text_address+0xe1/0x140
[  422.374626][  T577]  ? kernfs_new_node+0x170/0x170
[  422.379539][  T577]  ? ptr_to_hashval+0x60/0x60
[  422.384191][  T577]  ? snprintf+0xd6/0x120
[  422.388426][  T577]  ? __kasan_check_write+0x14/0x20
[  422.393510][  T577]  ? mutex_unlock+0x1d/0x40
[  422.397987][  T577]  kernfs_new_node+0x97/0x170
[  422.402738][  T577]  __kernfs_create_file+0x4a/0x270
[  422.407829][  T577]  cgroup_addrm_files+0xab8/0xfe0
[  422.412844][  T577]  ? ____kasan_kmalloc+0xdc/0x110
[  422.417844][  T577]  ? __kasan_kmalloc+0x9/0x10
[  422.422493][  T577]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  422.428015][  T577]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  422.434140][  T577]  ? delete_node+0x759/0x7b0
[  422.438719][  T577]  ? __kasan_check_read+0x11/0x20
[  422.443742][  T577]  ? idr_replace+0x1c4/0x230
[  422.448315][  T577]  ? idr_get_next+0x4b0/0x4b0
[  422.452964][  T577]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  422.457967][  T577]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  422.463156][  T577]  css_populate_dir+0x137/0x370
[  422.467986][  T577]  cgroup_apply_control_enable+0x8b9/0x12f0
[  422.473854][  T577]  cgroup_apply_control+0x93/0x710
[  422.478941][  T577]  ? css_next_child+0x160/0x160
[  422.483761][  T577]  ? stack_trace_save+0x12d/0x1f0
[  422.488757][  T577]  ? io_schedule+0x120/0x120
[  422.493323][  T577]  ? kernfs_fop_write_iter+0x15e/0x410
[  422.498844][  T577]  ? __kasan_check_write+0x14/0x20
[  422.503928][  T577]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  422.509188][  T577]  cgroup_subtree_control_write+0xd19/0x1310
[  422.515145][  T577]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  422.521135][  T577]  ? __kasan_check_write+0x14/0x20
[  422.526594][  T577]  ? _copy_from_iter+0x3fb/0xd60
[  422.531516][  T577]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  422.537470][  T577]  cgroup_file_write+0x28e/0x590
[  422.542493][  T577]  ? cgroup_seqfile_stop+0xc0/0xc0
[  422.547628][  T577]  ? mutex_lock+0xa6/0x110
[  422.552036][  T577]  ? mutex_trylock+0xb0/0xb0
[  422.556618][  T577]  ? __kasan_check_write+0x14/0x20
[  422.561705][  T577]  kernfs_fop_write_iter+0x2d0/0x410
[  422.566964][  T577]  ? cgroup_seqfile_stop+0xc0/0xc0
[  422.572081][  T577]  vfs_write+0xc1c/0xf40
[  422.576299][  T577]  ? slab_free_freelist_hook+0xcc/0x1a0
[  422.581868][  T577]  ? kernel_write+0x3c0/0x3c0
[  422.586519][  T577]  ? do_sys_openat2+0x397/0x470
[  422.591347][  T577]  ? __kasan_check_read+0x11/0x20
[  422.596345][  T577]  ? __fdget_pos+0x27e/0x310
[  422.601010][  T577]  ksys_write+0x198/0x2c0
[  422.605404][  T577]  ? __ia32_sys_read+0x90/0x90
[  422.610169][  T577]  ? debug_smp_processor_id+0x17/0x20
[  422.615515][  T577]  __x64_sys_write+0x7b/0x90
[  422.620080][  T577]  do_syscall_64+0x34/0x70
[  422.624471][  T577]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  422.630339][  T577] RIP: 0033:0x7efdb4cf77c9
[  422.634727][  T577] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  422.654306][  T577] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  422.662695][  T577] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  422.670731][  T577] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  422.678679][  T577] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  422.686628][  T577] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  422.694583][  T577] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 000000000000001f
[  422.702630][  T577] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  422.748218][  T568] FAULT_INJECTION: forcing a failure.
[  422.748218][  T568] name failslab, interval 1, probability 0, space 0, times 0
[  422.760830][  T568] CPU: 0 PID: 568 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  422.772435][  T568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  422.782485][  T568] Call Trace:
[  422.785755][  T568]  dump_stack_lvl+0x1e2/0x24b
[  422.790404][  T568]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  422.795850][  T568]  ? selinux_kernfs_init_security+0x1a8/0x760
[  422.801912][  T568]  dump_stack+0x15/0x17
[  422.806060][  T568]  should_fail+0x3c0/0x510
[  422.810457][  T568]  ? __kernfs_new_node+0x99/0x6e0
[  422.815722][  T568]  __should_failslab+0x9f/0xe0
[  422.820467][  T568]  should_failslab+0x9/0x20
[  422.824955][  T568]  __kmalloc_track_caller+0x5f/0x350
[  422.830337][  T568]  kstrdup_const+0x55/0x90
[  422.834733][  T568]  __kernfs_new_node+0x99/0x6e0
[  422.839672][  T568]  ? is_module_text_address+0xe1/0x140
[  422.845124][  T568]  ? kernfs_new_node+0x170/0x170
[  422.850044][  T568]  ? ptr_to_hashval+0x60/0x60
[  422.854693][  T568]  ? snprintf+0xd6/0x120
[  422.859007][  T568]  ? __kasan_check_write+0x14/0x20
[  422.864092][  T568]  ? mutex_unlock+0x1d/0x40
[  422.868587][  T568]  kernfs_new_node+0x97/0x170
[  422.873240][  T568]  __kernfs_create_file+0x4a/0x270
[  422.878327][  T568]  cgroup_addrm_files+0xab8/0xfe0
[  422.883328][  T568]  ? ____kasan_kmalloc+0xdc/0x110
[  422.888419][  T568]  ? __kasan_kmalloc+0x9/0x10
[  422.893070][  T568]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  422.898588][  T568]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  422.904718][  T568]  ? delete_node+0x759/0x7b0
[  422.909290][  T568]  ? __kasan_check_read+0x11/0x20
[  422.914285][  T568]  ? idr_replace+0x1c4/0x230
[  422.919215][  T568]  ? idr_get_next+0x4b0/0x4b0
[  422.923865][  T568]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  422.928858][  T568]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  422.934027][  T568]  css_populate_dir+0x137/0x370
[  422.938857][  T568]  cgroup_apply_control_enable+0x8b9/0x12f0
[  422.944724][  T568]  cgroup_apply_control+0x93/0x710
[  422.949808][  T568]  ? css_next_child+0x160/0x160
[  422.954634][  T568]  ? stack_trace_save+0x12d/0x1f0
[  422.959631][  T568]  ? io_schedule+0x120/0x120
[  422.964194][  T568]  ? kernfs_fop_write_iter+0x15e/0x410
[  422.969625][  T568]  ? __kasan_check_write+0x14/0x20
[  422.974708][  T568]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  422.979968][  T568]  cgroup_subtree_control_write+0xd19/0x1310
[  422.985987][  T568]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  422.991945][  T568]  ? __kasan_check_write+0x14/0x20
[  422.997039][  T568]  ? _copy_from_iter+0x3fb/0xd60
[  423.002179][  T568]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  423.008133][  T568]  cgroup_file_write+0x28e/0x590
[  423.013043][  T568]  ? cgroup_seqfile_stop+0xc0/0xc0
[  423.018128][  T568]  ? mutex_lock+0xa6/0x110
[  423.022554][  T568]  ? mutex_trylock+0xb0/0xb0
[  423.027142][  T568]  ? __kasan_check_write+0x14/0x20
[  423.032224][  T568]  kernfs_fop_write_iter+0x2d0/0x410
[  423.037480][  T568]  ? cgroup_seqfile_stop+0xc0/0xc0
[  423.042562][  T568]  vfs_write+0xc1c/0xf40
[  423.046777][  T568]  ? slab_free_freelist_hook+0xcc/0x1a0
[  423.052293][  T568]  ? kernel_write+0x3c0/0x3c0
[  423.056944][  T568]  ? do_sys_openat2+0x397/0x470
[  423.061776][  T568]  ? __kasan_check_read+0x11/0x20
[  423.066777][  T568]  ? __fdget_pos+0x27e/0x310
[  423.071339][  T568]  ksys_write+0x198/0x2c0
[  423.075641][  T568]  ? __ia32_sys_read+0x90/0x90
[  423.080375][  T568]  ? debug_smp_processor_id+0x17/0x20
[  423.085725][  T568]  __x64_sys_write+0x7b/0x90
[  423.090298][  T568]  do_syscall_64+0x34/0x70
[  423.094690][  T568]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  423.100552][  T568] RIP: 0033:0x7efdb4cf77c9
[  423.104939][  T568] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  423.124607][  T568] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  423.133003][  T568] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  423.140958][  T568] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
executing program
[  423.148918][  T568] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  423.156871][  T568] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  423.164829][  T568] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000020
[  423.172929][  T568] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  423.218019][  T574] FAULT_INJECTION: forcing a failure.
[  423.218019][  T574] name failslab, interval 1, probability 0, space 0, times 0
[  423.230685][  T574] CPU: 1 PID: 574 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  423.242289][  T574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  423.252323][  T574] Call Trace:
[  423.255593][  T574]  dump_stack_lvl+0x1e2/0x24b
[  423.260243][  T574]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  423.265674][  T574]  ? selinux_kernfs_init_security+0x1a8/0x760
[  423.271711][  T574]  dump_stack+0x15/0x17
[  423.275846][  T574]  should_fail+0x3c0/0x510
[  423.280235][  T574]  ? __kernfs_new_node+0x99/0x6e0
[  423.285237][  T574]  __should_failslab+0x9f/0xe0
[  423.289975][  T574]  should_failslab+0x9/0x20
[  423.294458][  T574]  __kmalloc_track_caller+0x5f/0x350
[  423.299713][  T574]  kstrdup_const+0x55/0x90
[  423.304107][  T574]  __kernfs_new_node+0x99/0x6e0
[  423.308940][  T574]  ? is_module_text_address+0xe1/0x140
[  423.314375][  T574]  ? kernfs_new_node+0x170/0x170
[  423.319296][  T574]  ? ptr_to_hashval+0x60/0x60
[  423.323954][  T574]  ? snprintf+0xd6/0x120
[  423.328170][  T574]  ? __kasan_check_write+0x14/0x20
[  423.333251][  T574]  ? mutex_unlock+0x1d/0x40
[  423.337735][  T574]  kernfs_new_node+0x97/0x170
[  423.342392][  T574]  __kernfs_create_file+0x4a/0x270
[  423.347483][  T574]  cgroup_addrm_files+0xab8/0xfe0
[  423.352488][  T574]  ? ____kasan_kmalloc+0xdc/0x110
[  423.357482][  T574]  ? __kasan_kmalloc+0x9/0x10
[  423.362129][  T574]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  423.367648][  T574]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  423.373774][  T574]  ? delete_node+0x759/0x7b0
[  423.378334][  T574]  ? __kasan_check_read+0x11/0x20
[  423.383333][  T574]  ? idr_replace+0x1c4/0x230
[  423.387894][  T574]  ? idr_get_next+0x4b0/0x4b0
[  423.392538][  T574]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  423.397532][  T574]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  423.402701][  T574]  css_populate_dir+0x137/0x370
[  423.407521][  T574]  cgroup_apply_control_enable+0x8b9/0x12f0
[  423.413386][  T574]  cgroup_apply_control+0x93/0x710
[  423.418470][  T574]  ? css_next_child+0x160/0x160
[  423.423291][  T574]  ? stack_trace_save+0x12d/0x1f0
[  423.428284][  T574]  ? io_schedule+0x120/0x120
[  423.432844][  T574]  ? kernfs_fop_write_iter+0x15e/0x410
[  423.438271][  T574]  ? __kasan_check_write+0x14/0x20
[  423.443358][  T574]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  423.448613][  T574]  cgroup_subtree_control_write+0xd19/0x1310
[  423.454564][  T574]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  423.460515][  T574]  ? __kasan_check_write+0x14/0x20
[  423.465595][  T574]  ? _copy_from_iter+0x3fb/0xd60
[  423.470505][  T574]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  423.476453][  T574]  cgroup_file_write+0x28e/0x590
[  423.481368][  T574]  ? cgroup_seqfile_stop+0xc0/0xc0
[  423.486452][  T574]  ? mutex_lock+0xa6/0x110
[  423.490838][  T574]  ? mutex_trylock+0xb0/0xb0
[  423.495401][  T574]  ? __kasan_check_write+0x14/0x20
[  423.500485][  T574]  kernfs_fop_write_iter+0x2d0/0x410
[  423.505747][  T574]  ? cgroup_seqfile_stop+0xc0/0xc0
[  423.510836][  T574]  vfs_write+0xc1c/0xf40
[  423.515049][  T574]  ? slab_free_freelist_hook+0xcc/0x1a0
[  423.520566][  T574]  ? kernel_write+0x3c0/0x3c0
[  423.525210][  T574]  ? do_sys_openat2+0x397/0x470
[  423.530035][  T574]  ? __kasan_check_read+0x11/0x20
[  423.535033][  T574]  ? __fdget_pos+0x27e/0x310
[  423.539593][  T574]  ksys_write+0x198/0x2c0
[  423.543893][  T574]  ? __ia32_sys_read+0x90/0x90
[  423.548626][  T574]  ? debug_smp_processor_id+0x17/0x20
[  423.553966][  T574]  __x64_sys_write+0x7b/0x90
[  423.558525][  T574]  do_syscall_64+0x34/0x70
[  423.562912][  T574]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  423.568776][  T574] RIP: 0033:0x7efdb4cf77c9
[  423.573166][  T574] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  423.592741][  T574] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  423.601129][  T574] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  423.609080][  T574] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  423.617026][  T574] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  423.624978][  T574] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  423.632931][  T574] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000022
[  423.641281][  T574] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  423.688172][  T580] FAULT_INJECTION: forcing a failure.
[  423.688172][  T580] name failslab, interval 1, probability 0, space 0, times 0
[  423.700818][  T580] CPU: 1 PID: 580 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  423.712421][  T580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  423.722450][  T580] Call Trace:
[  423.725721][  T580]  dump_stack_lvl+0x1e2/0x24b
[  423.730370][  T580]  ? panic+0x7d7/0x7d7
[  423.734414][  T580]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  423.739847][  T580]  ? find_next_bit+0xd6/0x120
[  423.744497][  T580]  ? cpumask_next+0x11/0x30
[  423.748975][  T580]  dump_stack+0x15/0x17
[  423.753122][  T580]  should_fail+0x3c0/0x510
[  423.757773][  T580]  ? percpu_ref_init+0xd0/0x330
[  423.762598][  T580]  __should_failslab+0x9f/0xe0
[  423.767338][  T580]  should_failslab+0x9/0x20
[  423.771819][  T580]  kmem_cache_alloc_trace+0x3a/0x330
[  423.777080][  T580]  percpu_ref_init+0xd0/0x330
[  423.781730][  T580]  ? cgroup_setup_root+0xea0/0xea0
[  423.786817][  T580]  cgroup_apply_control_enable+0x3a2/0x12f0
[  423.792698][  T580]  cgroup_apply_control+0x93/0x710
[  423.797784][  T580]  ? css_next_child+0x160/0x160
[  423.802609][  T580]  ? stack_trace_save+0x12d/0x1f0
[  423.807609][  T580]  ? io_schedule+0x120/0x120
[  423.812174][  T580]  ? kernfs_fop_write_iter+0x15e/0x410
[  423.817609][  T580]  ? __kasan_check_write+0x14/0x20
[  423.822700][  T580]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  423.827959][  T580]  cgroup_subtree_control_write+0xd19/0x1310
[  423.833913][  T580]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  423.840038][  T580]  ? __kasan_check_write+0x14/0x20
[  423.845132][  T580]  ? _copy_from_iter+0x3fb/0xd60
[  423.850045][  T580]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  423.855996][  T580]  cgroup_file_write+0x28e/0x590
[  423.860908][  T580]  ? cgroup_seqfile_stop+0xc0/0xc0
[  423.865991][  T580]  ? mutex_lock+0xa6/0x110
[  423.870391][  T580]  ? mutex_trylock+0xb0/0xb0
[  423.874959][  T580]  ? __kasan_check_write+0x14/0x20
[  423.880130][  T580]  kernfs_fop_write_iter+0x2d0/0x410
[  423.885399][  T580]  ? cgroup_seqfile_stop+0xc0/0xc0
[  423.890483][  T580]  vfs_write+0xc1c/0xf40
[  423.894699][  T580]  ? slab_free_freelist_hook+0xcc/0x1a0
[  423.900218][  T580]  ? kernel_write+0x3c0/0x3c0
[  423.904869][  T580]  ? do_sys_openat2+0x397/0x470
[  423.909693][  T580]  ? __kasan_check_read+0x11/0x20
[  423.914693][  T580]  ? __fdget_pos+0x27e/0x310
[  423.919257][  T580]  ksys_write+0x198/0x2c0
[  423.923560][  T580]  ? __ia32_sys_read+0x90/0x90
[  423.928305][  T580]  ? debug_smp_processor_id+0x17/0x20
[  423.933651][  T580]  __x64_sys_write+0x7b/0x90
[  423.938213][  T580]  do_syscall_64+0x34/0x70
[  423.942601][  T580]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  423.948468][  T580] RIP: 0033:0x7efdb4cf77c9
[  423.952863][  T580] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  423.972459][  T580] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  423.980860][  T580] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  423.988813][  T580] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  423.996767][  T580] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  424.004735][  T580] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  424.012687][  T580] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000020
[  424.058188][  T567] FAULT_INJECTION: forcing a failure.
[  424.058188][  T567] name failslab, interval 1, probability 0, space 0, times 0
[  424.070844][  T567] CPU: 1 PID: 567 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  424.082460][  T567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  424.092496][  T567] Call Trace:
[  424.095787][  T567]  dump_stack_lvl+0x1e2/0x24b
[  424.100440][  T567]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  424.105873][  T567]  ? selinux_kernfs_init_security+0x1a8/0x760
[  424.111916][  T567]  dump_stack+0x15/0x17
[  424.116067][  T567]  should_fail+0x3c0/0x510
[  424.120460][  T567]  ? __kernfs_new_node+0x99/0x6e0
[  424.125472][  T567]  __should_failslab+0x9f/0xe0
[  424.130230][  T567]  should_failslab+0x9/0x20
[  424.134709][  T567]  __kmalloc_track_caller+0x5f/0x350
[  424.139965][  T567]  kstrdup_const+0x55/0x90
[  424.144353][  T567]  __kernfs_new_node+0x99/0x6e0
[  424.149178][  T567]  ? is_module_text_address+0xe1/0x140
[  424.154638][  T567]  ? kernfs_new_node+0x170/0x170
[  424.159563][  T567]  ? ptr_to_hashval+0x60/0x60
[  424.164216][  T567]  ? snprintf+0xd6/0x120
[  424.168442][  T567]  ? __kasan_check_write+0x14/0x20
[  424.173528][  T567]  ? mutex_unlock+0x1d/0x40
[  424.178012][  T567]  kernfs_new_node+0x97/0x170
[  424.182693][  T567]  __kernfs_create_file+0x4a/0x270
[  424.187789][  T567]  cgroup_addrm_files+0xab8/0xfe0
[  424.192791][  T567]  ? ____kasan_kmalloc+0xdc/0x110
[  424.197797][  T567]  ? __kasan_kmalloc+0x9/0x10
[  424.202474][  T567]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  424.208137][  T567]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  424.214293][  T567]  ? delete_node+0x759/0x7b0
[  424.218866][  T567]  ? __kasan_check_read+0x11/0x20
[  424.223896][  T567]  ? idr_replace+0x1c4/0x230
[  424.228470][  T567]  ? idr_get_next+0x4b0/0x4b0
[  424.233137][  T567]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  424.238146][  T567]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  424.243330][  T567]  css_populate_dir+0x137/0x370
[  424.248170][  T567]  cgroup_apply_control_enable+0x8b9/0x12f0
[  424.254041][  T567]  cgroup_apply_control+0x93/0x710
[  424.259129][  T567]  ? css_next_child+0x160/0x160
[  424.263952][  T567]  ? stack_trace_save+0x12d/0x1f0
[  424.268957][  T567]  ? io_schedule+0x120/0x120
[  424.273522][  T567]  ? kernfs_fop_write_iter+0x15e/0x410
[  424.278960][  T567]  ? __kasan_check_write+0x14/0x20
[  424.284043][  T567]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  424.289298][  T567]  cgroup_subtree_control_write+0xd19/0x1310
[  424.295252][  T567]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  424.301209][  T567]  ? __kasan_check_write+0x14/0x20
[  424.306290][  T567]  ? _copy_from_iter+0x3fb/0xd60
[  424.311203][  T567]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  424.317169][  T567]  cgroup_file_write+0x28e/0x590
[  424.322078][  T567]  ? cgroup_seqfile_stop+0xc0/0xc0
[  424.327163][  T567]  ? mutex_lock+0xa6/0x110
[  424.331549][  T567]  ? mutex_trylock+0xb0/0xb0
[  424.336110][  T567]  ? __kasan_check_write+0x14/0x20
[  424.341191][  T567]  kernfs_fop_write_iter+0x2d0/0x410
[  424.346450][  T567]  ? cgroup_seqfile_stop+0xc0/0xc0
[  424.351647][  T567]  vfs_write+0xc1c/0xf40
[  424.355860][  T567]  ? slab_free_freelist_hook+0xcc/0x1a0
[  424.361380][  T567]  ? kernel_write+0x3c0/0x3c0
[  424.366033][  T567]  ? do_sys_openat2+0x397/0x470
[  424.370857][  T567]  ? __kasan_check_read+0x11/0x20
[  424.375858][  T567]  ? __fdget_pos+0x27e/0x310
[  424.380427][  T567]  ksys_write+0x198/0x2c0
[  424.384731][  T567]  ? __ia32_sys_read+0x90/0x90
[  424.389484][  T567]  ? debug_smp_processor_id+0x17/0x20
[  424.394856][  T567]  __x64_sys_write+0x7b/0x90
[  424.399422][  T567]  do_syscall_64+0x34/0x70
[  424.403921][  T567]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  424.409872][  T567] RIP: 0033:0x7efdb4cf77c9
[  424.414263][  T567] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  424.434017][  T567] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  424.442408][  T567] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  424.450359][  T567] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
executing program
[  424.458317][  T567] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  424.466261][  T567] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  424.474294][  T567] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000020
[  424.482792][  T567] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  424.528263][  T579] FAULT_INJECTION: forcing a failure.
[  424.528263][  T579] name failslab, interval 1, probability 0, space 0, times 0
[  424.540899][  T579] CPU: 0 PID: 579 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  424.552498][  T579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  424.562526][  T579] Call Trace:
[  424.565793][  T579]  dump_stack_lvl+0x1e2/0x24b
[  424.570443][  T579]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  424.575918][  T579]  ? stack_trace_save+0x1f0/0x1f0
[  424.580921][  T579]  ? arch_stack_walk+0x106/0x140
[  424.585831][  T579]  dump_stack+0x15/0x17
[  424.589963][  T579]  should_fail+0x3c0/0x510
[  424.594353][  T579]  ? __kernfs_new_node+0x99/0x6e0
[  424.599360][  T579]  __should_failslab+0x9f/0xe0
[  424.604105][  T579]  should_failslab+0x9/0x20
[  424.608579][  T579]  __kmalloc_track_caller+0x5f/0x350
[  424.613841][  T579]  kstrdup_const+0x55/0x90
[  424.618233][  T579]  __kernfs_new_node+0x99/0x6e0
[  424.623058][  T579]  ? is_module_text_address+0xe1/0x140
[  424.628491][  T579]  ? kernfs_new_node+0x170/0x170
[  424.633400][  T579]  ? ptr_to_hashval+0x60/0x60
[  424.638069][  T579]  ? arch_stack_walk+0xf8/0x140
[  424.642912][  T579]  ? snprintf+0xd6/0x120
[  424.647133][  T579]  kernfs_new_node+0x97/0x170
[  424.651783][  T579]  __kernfs_create_file+0x4a/0x270
[  424.656869][  T579]  cgroup_addrm_files+0xab8/0xfe0
[  424.661867][  T579]  ? sched_clock_cpu+0x1b/0x3b0
[  424.666690][  T579]  ? sched_clock+0x3a/0x40
[  424.671081][  T579]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  424.677208][  T579]  ? __irq_exit_rcu+0x41/0x150
[  424.681944][  T579]  ? irq_exit_rcu+0x9/0x10
[  424.686334][  T579]  ? sysvec_apic_timer_interrupt+0xcb/0xe0
[  424.692111][  T579]  ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[  424.698235][  T579]  ? delete_node+0x759/0x7b0
[  424.702800][  T579]  ? idr_replace+0x1c4/0x230
[  424.707361][  T579]  ? idr_get_next+0x4b0/0x4b0
[  424.712017][  T579]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  424.717029][  T579]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  424.722198][  T579]  css_populate_dir+0x137/0x370
[  424.727022][  T579]  cgroup_apply_control_enable+0x8b9/0x12f0
[  424.732901][  T579]  cgroup_apply_control+0x93/0x710
[  424.737990][  T579]  ? css_next_child+0x160/0x160
[  424.742828][  T579]  ? stack_trace_save+0x12d/0x1f0
[  424.747842][  T579]  ? io_schedule+0x120/0x120
[  424.752405][  T579]  ? kernfs_fop_write_iter+0x15e/0x410
[  424.757835][  T579]  ? __kasan_check_write+0x14/0x20
[  424.762920][  T579]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  424.768284][  T579]  cgroup_subtree_control_write+0xd19/0x1310
[  424.774235][  T579]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  424.780192][  T579]  ? __kasan_check_write+0x14/0x20
[  424.785286][  T579]  ? _copy_from_iter+0x3fb/0xd60
[  424.790209][  T579]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  424.796255][  T579]  cgroup_file_write+0x28e/0x590
[  424.801175][  T579]  ? cgroup_seqfile_stop+0xc0/0xc0
[  424.806258][  T579]  ? mutex_lock+0xa6/0x110
[  424.810653][  T579]  ? mutex_trylock+0xb0/0xb0
[  424.815218][  T579]  ? __kasan_check_write+0x14/0x20
[  424.820307][  T579]  kernfs_fop_write_iter+0x2d0/0x410
[  424.825582][  T579]  ? cgroup_seqfile_stop+0xc0/0xc0
[  424.830664][  T579]  vfs_write+0xc1c/0xf40
[  424.834880][  T579]  ? slab_free_freelist_hook+0xcc/0x1a0
[  424.840399][  T579]  ? kernel_write+0x3c0/0x3c0
[  424.845140][  T579]  ? do_sys_openat2+0x397/0x470
[  424.849967][  T579]  ? __kasan_check_read+0x11/0x20
[  424.854965][  T579]  ? __fdget_pos+0x27e/0x310
[  424.859534][  T579]  ksys_write+0x198/0x2c0
[  424.863837][  T579]  ? __ia32_sys_read+0x90/0x90
[  424.868574][  T579]  ? debug_smp_processor_id+0x17/0x20
[  424.873926][  T579]  __x64_sys_write+0x7b/0x90
[  424.878492][  T579]  do_syscall_64+0x34/0x70
[  424.882885][  T579]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  424.889398][  T579] RIP: 0033:0x7efdb4cf77c9
[  424.893789][  T579] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  424.913451][  T579] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  424.921837][  T579] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  424.929799][  T579] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  424.937771][  T579] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  424.945729][  T579] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  424.953681][  T579] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000025
[  424.961713][  T579] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  425.038266][  T585] FAULT_INJECTION: forcing a failure.
[  425.038266][  T585] name failslab, interval 1, probability 0, space 0, times 0
[  425.050936][  T585] CPU: 0 PID: 585 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  425.062543][  T585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  425.072584][  T585] Call Trace:
[  425.075857][  T585]  dump_stack_lvl+0x1e2/0x24b
[  425.080510][  T585]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  425.086065][  T585]  ? selinux_kernfs_init_security+0x1a8/0x760
[  425.092108][  T585]  dump_stack+0x15/0x17
[  425.096239][  T585]  should_fail+0x3c0/0x510
[  425.100635][  T585]  ? __kernfs_new_node+0x99/0x6e0
[  425.105637][  T585]  __should_failslab+0x9f/0xe0
[  425.110378][  T585]  should_failslab+0x9/0x20
[  425.114856][  T585]  __kmalloc_track_caller+0x5f/0x350
[  425.120119][  T585]  kstrdup_const+0x55/0x90
[  425.124530][  T585]  __kernfs_new_node+0x99/0x6e0
[  425.129368][  T585]  ? is_module_text_address+0xe1/0x140
[  425.135236][  T585]  ? kernfs_new_node+0x170/0x170
[  425.140153][  T585]  ? ptr_to_hashval+0x60/0x60
[  425.144807][  T585]  ? snprintf+0xd6/0x120
[  425.149127][  T585]  ? __kasan_check_write+0x14/0x20
[  425.154227][  T585]  ? mutex_unlock+0x1d/0x40
[  425.158704][  T585]  kernfs_new_node+0x97/0x170
[  425.163358][  T585]  __kernfs_create_file+0x4a/0x270
[  425.168469][  T585]  cgroup_addrm_files+0xab8/0xfe0
[  425.173468][  T585]  ? ____kasan_kmalloc+0xdc/0x110
[  425.178487][  T585]  ? __kasan_kmalloc+0x9/0x10
[  425.183151][  T585]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  425.188695][  T585]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  425.195105][  T585]  ? delete_node+0x759/0x7b0
[  425.199770][  T585]  ? __kasan_check_read+0x11/0x20
[  425.204774][  T585]  ? idr_replace+0x1c4/0x230
[  425.209346][  T585]  ? idr_get_next+0x4b0/0x4b0
[  425.214012][  T585]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  425.219017][  T585]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  425.224200][  T585]  css_populate_dir+0x137/0x370
[  425.229039][  T585]  cgroup_apply_control_enable+0x8b9/0x12f0
[  425.234916][  T585]  cgroup_apply_control+0x93/0x710
[  425.240011][  T585]  ? css_next_child+0x160/0x160
[  425.244855][  T585]  ? stack_trace_save+0x12d/0x1f0
[  425.249857][  T585]  ? io_schedule+0x120/0x120
[  425.254426][  T585]  ? kernfs_fop_write_iter+0x15e/0x410
[  425.259867][  T585]  ? __kasan_check_write+0x14/0x20
[  425.264955][  T585]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  425.270232][  T585]  cgroup_subtree_control_write+0xd19/0x1310
[  425.276190][  T585]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  425.282149][  T585]  ? __kasan_check_write+0x14/0x20
[  425.287234][  T585]  ? _copy_from_iter+0x3fb/0xd60
[  425.292148][  T585]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  425.298100][  T585]  cgroup_file_write+0x28e/0x590
[  425.303020][  T585]  ? cgroup_seqfile_stop+0xc0/0xc0
[  425.308113][  T585]  ? mutex_lock+0xa6/0x110
[  425.312504][  T585]  ? mutex_trylock+0xb0/0xb0
[  425.317072][  T585]  ? __kasan_check_write+0x14/0x20
[  425.322159][  T585]  kernfs_fop_write_iter+0x2d0/0x410
[  425.327427][  T585]  ? cgroup_seqfile_stop+0xc0/0xc0
[  425.332513][  T585]  vfs_write+0xc1c/0xf40
[  425.336732][  T585]  ? slab_free_freelist_hook+0xcc/0x1a0
[  425.342281][  T585]  ? kernel_write+0x3c0/0x3c0
[  425.346936][  T585]  ? do_sys_openat2+0x397/0x470
[  425.351955][  T585]  ? __kasan_check_read+0x11/0x20
[  425.356954][  T585]  ? __fdget_pos+0x27e/0x310
[  425.361695][  T585]  ksys_write+0x198/0x2c0
[  425.366001][  T585]  ? __ia32_sys_read+0x90/0x90
[  425.370834][  T585]  ? debug_smp_processor_id+0x17/0x20
[  425.376181][  T585]  __x64_sys_write+0x7b/0x90
[  425.380747][  T585]  do_syscall_64+0x34/0x70
[  425.385139][  T585]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  425.391026][  T585] RIP: 0033:0x7efdb4cf77c9
[  425.395419][  T585] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  425.414998][  T585] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  425.423390][  T585] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  425.431338][  T585] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  425.439285][  T585] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  425.447235][  T585] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  425.455184][  T585] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000026
[  425.463323][  T585] cgroup: cgroup_addrm_files: failed to add current, err=-12
[  425.508113][  T581] FAULT_INJECTION: forcing a failure.
[  425.508113][  T581] name failslab, interval 1, probability 0, space 0, times 0
[  425.520780][  T581] CPU: 1 PID: 581 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  425.532383][  T581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  425.542422][  T581] Call Trace:
[  425.545690][  T581]  dump_stack_lvl+0x1e2/0x24b
[  425.550339][  T581]  ? panic+0x7d7/0x7d7
[  425.554383][  T581]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  425.559911][  T581]  ? selinux_kernfs_init_security+0x1a8/0x760
[  425.565964][  T581]  dump_stack+0x15/0x17
[  425.570094][  T581]  should_fail+0x3c0/0x510
[  425.574573][  T581]  __should_failslab+0x9f/0xe0
[  425.579319][  T581]  should_failslab+0x9/0x20
[  425.583820][  T581]  kmem_cache_alloc+0x3f/0x300
[  425.588574][  T581]  ? __kernfs_new_node+0xdb/0x6e0
[  425.593935][  T581]  __kernfs_new_node+0xdb/0x6e0
[  425.598770][  T581]  ? is_module_text_address+0xe1/0x140
[  425.604225][  T581]  ? kernfs_new_node+0x170/0x170
[  425.609142][  T581]  ? ptr_to_hashval+0x60/0x60
[  425.613794][  T581]  ? arch_stack_walk+0xf8/0x140
[  425.618622][  T581]  ? snprintf+0xd6/0x120
[  425.622860][  T581]  kernfs_new_node+0x97/0x170
[  425.627546][  T581]  __kernfs_create_file+0x4a/0x270
[  425.632670][  T581]  cgroup_addrm_files+0xab8/0xfe0
[  425.637767][  T581]  ? ____kasan_kmalloc+0xdc/0x110
[  425.642766][  T581]  ? __kasan_kmalloc+0x9/0x10
[  425.647506][  T581]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  425.653027][  T581]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  425.659157][  T581]  ? delete_node+0x759/0x7b0
[  425.663732][  T581]  ? __kasan_check_read+0x11/0x20
[  425.668733][  T581]  ? delete_node+0x759/0x7b0
[  425.673305][  T581]  ? __kasan_check_write+0x14/0x20
[  425.678509][  T581]  ? idr_replace+0x1c4/0x230
[  425.683079][  T581]  ? idr_get_next+0x4b0/0x4b0
[  425.687731][  T581]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  425.692802][  T581]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  425.698067][  T581]  css_populate_dir+0x137/0x370
[  425.702894][  T581]  cgroup_apply_control_enable+0x8b9/0x12f0
[  425.708838][  T581]  cgroup_apply_control+0x93/0x710
[  425.713923][  T581]  ? css_next_child+0x160/0x160
[  425.718746][  T581]  ? stack_trace_save+0x12d/0x1f0
[  425.723765][  T581]  ? io_schedule+0x120/0x120
[  425.728330][  T581]  ? kernfs_fop_write_iter+0x15e/0x410
[  425.733765][  T581]  ? __kasan_check_write+0x14/0x20
[  425.738872][  T581]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  425.744131][  T581]  cgroup_subtree_control_write+0xd19/0x1310
[  425.750096][  T581]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  425.756148][  T581]  ? __kasan_check_write+0x14/0x20
[  425.761233][  T581]  ? _copy_from_iter+0x3fb/0xd60
[  425.766145][  T581]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  425.772097][  T581]  cgroup_file_write+0x28e/0x590
[  425.777027][  T581]  ? cgroup_seqfile_stop+0xc0/0xc0
[  425.782213][  T581]  ? mutex_lock+0xa6/0x110
[  425.786616][  T581]  ? mutex_trylock+0xb0/0xb0
[  425.791202][  T581]  ? __kasan_check_write+0x14/0x20
[  425.796297][  T581]  kernfs_fop_write_iter+0x2d0/0x410
[  425.801595][  T581]  ? cgroup_seqfile_stop+0xc0/0xc0
[  425.806693][  T581]  vfs_write+0xc1c/0xf40
[  425.810918][  T581]  ? slab_free_freelist_hook+0xcc/0x1a0
[  425.816439][  T581]  ? kernel_write+0x3c0/0x3c0
[  425.821095][  T581]  ? do_sys_openat2+0x397/0x470
[  425.825922][  T581]  ? __kasan_check_read+0x11/0x20
[  425.830924][  T581]  ? __fdget_pos+0x27e/0x310
[  425.835577][  T581]  ksys_write+0x198/0x2c0
[  425.839882][  T581]  ? __ia32_sys_read+0x90/0x90
[  425.844708][  T581]  ? debug_smp_processor_id+0x17/0x20
[  425.850054][  T581]  __x64_sys_write+0x7b/0x90
[  425.854637][  T581]  do_syscall_64+0x34/0x70
[  425.859027][  T581]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  425.864892][  T581] RIP: 0033:0x7efdb4cf77c9
[  425.869300][  T581] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  425.888891][  T581] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  425.897286][  T581] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
[  425.905233][  T581] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  425.913180][  T581] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
[  425.921128][  T581] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  425.929167][  T581] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000021
[  425.937243][  T581] cgroup: cgroup_addrm_files: failed to add max, err=-12
[  425.978274][  T583] FAULT_INJECTION: forcing a failure.
[  425.978274][  T583] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[  425.991557][  T583] CPU: 1 PID: 583 Comm: syz-executor340 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  426.003174][  T583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  426.013224][  T583] Call Trace:
[  426.016602][  T583]  dump_stack_lvl+0x1e2/0x24b
[  426.021260][  T583]  ? bfq_pos_tree_add_move+0x43e/0x43e
[  426.026785][  T583]  ? stack_trace_save+0x12d/0x1f0
[  426.031787][  T583]  dump_stack+0x15/0x17
[  426.035920][  T583]  should_fail+0x3c0/0x510
[  426.040317][  T583]  should_fail_alloc_page+0x50/0x60
[  426.045495][  T583]  __alloc_pages_nodemask+0x1c0/0x890
[  426.050850][  T583]  ? mutex_trylock+0xb0/0xb0
[  426.055415][  T583]  ? gfp_pfmemalloc_allowed+0x120/0x120
[  426.060936][  T583]  ? mutex_unlock+0x1d/0x40
[  426.065413][  T583]  ? kernfs_xattr_get+0x80/0x90
[  426.070252][  T583]  ? selinux_kernfs_init_security+0x1a8/0x760
[  426.076308][  T583]  allocate_slab+0x78/0x540
[  426.080787][  T583]  ___slab_alloc+0x131/0x2e0
[  426.085356][  T583]  ? __kernfs_new_node+0xdb/0x6e0
[  426.090355][  T583]  __slab_alloc+0x63/0xa0
[  426.094666][  T583]  ? __kernfs_new_node+0xdb/0x6e0
[  426.099667][  T583]  kmem_cache_alloc+0x1ef/0x300
[  426.104494][  T583]  ? __kernfs_new_node+0xdb/0x6e0
[  426.109499][  T583]  __kernfs_new_node+0xdb/0x6e0
[  426.114326][  T583]  ? is_module_text_address+0xe1/0x140
[  426.119761][  T583]  ? kernfs_new_node+0x170/0x170
[  426.124674][  T583]  ? ptr_to_hashval+0x60/0x60
[  426.129333][  T583]  ? arch_stack_walk+0xf8/0x140
[  426.134175][  T583]  ? snprintf+0xd6/0x120
[  426.138406][  T583]  kernfs_new_node+0x97/0x170
[  426.143074][  T583]  __kernfs_create_file+0x4a/0x270
[  426.148171][  T583]  cgroup_addrm_files+0xab8/0xfe0
[  426.153181][  T583]  ? ____kasan_kmalloc+0xdc/0x110
[  426.158291][  T583]  ? __kasan_kmalloc+0x9/0x10
[  426.163058][  T583]  ? kmem_cache_alloc_trace+0x1dd/0x330
[  426.168592][  T583]  ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[  426.174741][  T583]  ? delete_node+0x759/0x7b0
[  426.179324][  T583]  ? __kasan_check_read+0x11/0x20
[  426.184335][  T583]  ? delete_node+0x759/0x7b0
[  426.189001][  T583]  ? __kasan_check_write+0x14/0x20
[  426.194098][  T583]  ? idr_replace+0x1c4/0x230
[  426.198758][  T583]  ? idr_get_next+0x4b0/0x4b0
[  426.203414][  T583]  ? _raw_spin_lock_bh+0xa3/0x1b0
[  426.208413][  T583]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  426.213602][  T583]  css_populate_dir+0x137/0x370
[  426.218542][  T583]  cgroup_apply_control_enable+0x8b9/0x12f0
[  426.224455][  T583]  cgroup_apply_control+0x93/0x710
[  426.229580][  T583]  ? css_next_child+0x160/0x160
[  426.234430][  T583]  ? io_schedule+0x120/0x120
[  426.239001][  T583]  ? kernfs_fop_write_iter+0x15e/0x410
[  426.244453][  T583]  ? __kasan_check_write+0x14/0x20
[  426.249548][  T583]  ? cgroup_kn_lock_live+0x1b0/0x2f0
[  426.254812][  T583]  cgroup_subtree_control_write+0xd19/0x1310
[  426.260786][  T583]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  426.266771][  T583]  ? __kasan_check_write+0x14/0x20
[  426.271864][  T583]  ? _copy_from_iter+0x3fb/0xd60
[  426.276801][  T583]  ? cgroup_subtree_control_show+0x1d0/0x1d0
[  426.282766][  T583]  cgroup_file_write+0x28e/0x590
[  426.287699][  T583]  ? cgroup_seqfile_stop+0xc0/0xc0
[  426.292799][  T583]  ? mutex_lock+0xa6/0x110
[  426.297209][  T583]  ? mutex_trylock+0xb0/0xb0
[  426.301786][  T583]  ? __kasan_check_write+0x14/0x20
[  426.306876][  T583]  kernfs_fop_write_iter+0x2d0/0x410
[  426.312248][  T583]  ? cgroup_seqfile_stop+0xc0/0xc0
[  426.317337][  T583]  vfs_write+0xc1c/0xf40
[  426.321557][  T583]  ? kernel_write+0x3c0/0x3c0
[  426.326211][  T583]  ? do_sys_openat2+0x397/0x470
[  426.331038][  T583]  ? __kasan_check_read+0x11/0x20
[  426.336039][  T583]  ? __fdget_pos+0x27e/0x310
[  426.340605][  T583]  ksys_write+0x198/0x2c0
[  426.344910][  T583]  ? __ia32_sys_read+0x90/0x90
[  426.349655][  T583]  ? debug_smp_processor_id+0x17/0x20
[  426.355001][  T583]  __x64_sys_write+0x7b/0x90
[  426.359582][  T583]  do_syscall_64+0x34/0x70
[  426.363975][  T583]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  426.369871][  T583] RIP: 0033:0x7efdb4cf77c9
[  426.374287][  T583] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[  426.393885][  T583] RSP: 002b:00007fff88d27b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  426.402298][  T583] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdb4cf77c9
[  426.410255][  T583] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[  426.418205][  T583] RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000003432
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
executing program
executing program
[  426.426160][  T583] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff88d27b80
[  426.434144][  T583] R13: 00007fff88d27be0 R14: 00007fff88d27c20 R15: 0000000000000021
[  426.487815][    C0] list_add corruption. prev->next should be next (ffff8881f705c160), but was ffff8881100bfc70. (prev=ffff8881100bfc70).
[  426.500355][    C0] ------------[ cut here ]------------
[  426.505786][    C0] kernel BUG at lib/list_debug.c:28!
[  426.511055][    C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[  426.517099][    C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W         5.10.119-syzkaller-00334-gebc9fb07d294 #0
[  426.528017][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[  426.538059][    C0] RIP: 0010:__list_add_valid+0xc6/0xd0
[  426.543493][    C0] Code: 48 c7 c7 00 e0 43 85 4c 89 e6 4c 89 f1 31 c0 e8 4d a4 3f 02 0f 0b 48 c7 c7 c0 e0 43 85 4c 89 f6 4c 89 e1 31 c0 e8 37 a4 3f 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49
[  426.563280][    C0] RSP: 0018:ffffc90000007a00 EFLAGS: 00010046
[  426.569338][    C0] RAX: 0000000000000075 RBX: ffff8881f705c168 RCX: 1495a4cf2abb8d00
[  426.577299][    C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000
[  426.585251][    C0] RBP: ffffc90000007a28 R08: ffffffff8153ad08 R09: ffffed103ee0a5d8
[  426.593214][    C0] R10: ffffed103ee0a5d8 R11: 1ffff1103ee0a5d7 R12: ffff8881100bfc70
[  426.601173][    C0] R13: dffffc0000000000 R14: ffff8881f705c160 R15: ffff8881100bfc70
[  426.609119][    C0] FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[  426.618058][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  426.624727][    C0] CR2: 00007efdb4d69130 CR3: 000000011d0f8000 CR4: 00000000003506b0
[  426.632682][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  426.640632][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  426.648577][    C0] Call Trace:
[  426.651835][    C0]  <IRQ>
[  426.654667][    C0]  insert_work+0x107/0x330
[  426.659069][    C0]  __queue_work+0x971/0xd30
[  426.663547][    C0]  queue_work_on+0xf2/0x150
[  426.668025][    C0]  ? wq_worker_last_func+0x50/0x50
[  426.673110][    C0]  ? __alloc_reserved_percpu+0x30/0x30
[  426.678543][    C0]  css_release+0xae/0xc0
[  426.682761][    C0]  percpu_ref_switch_to_atomic_rcu+0x5a2/0x5b0
[  426.688885][    C0]  ? percpu_ref_noop_confirm_switch+0x10/0x10
[  426.694932][    C0]  rcu_do_batch+0x59e/0xc40
[  426.699416][    C0]  ? local_bh_enable+0x20/0x20
[  426.704221][    C0]  ? note_gp_changes+0x158/0x260
[  426.709150][    C0]  ? update_load_avg+0x4e7/0xa90
[  426.714065][    C0]  rcu_core+0x59b/0xe30
[  426.718198][    C0]  ? rcu_cpu_kthread_park+0x90/0x90
[  426.723392][    C0]  rcu_core_si+0x9/0x10
[  426.727523][    C0]  __do_softirq+0x27e/0x596
[  426.732004][    C0]  asm_call_irq_on_stack+0xf/0x20
[  426.736997][    C0]  </IRQ>
[  426.739913][    C0]  do_softirq_own_stack+0x60/0x80
[  426.744908][    C0]  __irq_exit_rcu+0x128/0x150
[  426.749556][    C0]  irq_exit_rcu+0x9/0x10
[  426.753771][    C0]  sysvec_apic_timer_interrupt+0xbf/0xe0
[  426.759377][    C0]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[  426.765332][    C0] RIP: 0010:acpi_idle_do_entry+0xbb/0x1f0
[  426.771023][    C0] Code: 89 de 48 83 e6 08 31 ff e8 12 dc d9 fc 48 83 e3 08 0f 85 ae 00 00 00 e9 0c 00 00 00 e8 de d6 d9 fc 0f 00 2d 47 f3 b7 00 fb f4 <fa> e9 a1 00 00 00 49 83 c6 04 4c 89 f0 48 c1 e8 03 42 8a 04 38 84
[  426.790602][    C0] RSP: 0018:ffffffff86207be8 EFLAGS: 00000246
[  426.796643][    C0] RAX: 1ffffffff0c435f0 RBX: 0000000000000000 RCX: 0000000000000000
[  426.804606][    C0] RDX: ffffffff8621af80 RSI: 0000000000000000 RDI: 0000000000000000
[  426.812553][    C0] RBP: ffffffff86207c00 R08: ffffffff8492de7e R09: fffffbfff0c435f1
[  426.820503][    C0] R10: fffffbfff0c435f1 R11: 1ffffffff0c435f0 R12: 0000000000000001
[  426.828460][    C0] R13: ffff8881031d0004 R14: ffff8881059a4064 R15: dffffc0000000000
[  426.836410][    C0]  ? acpi_idle_do_entry+0x9e/0x1f0
[  426.841496][    C0]  ? acpi_idle_do_entry+0x9e/0x1f0
[  426.846582][    C0]  acpi_idle_enter+0x32d/0x4f0
[  426.851320][    C0]  ? rcu_dynticks_eqs_enter+0xa/0x40
[  426.856578][    C0]  ? acpi_idle_lpi_enter+0xe0/0xe0
[  426.861664][    C0]  cpuidle_enter_state+0x5d0/0x14a0
[  426.866834][    C0]  ? cpuidle_enter_s2idle+0x610/0x610
[  426.872181][    C0]  ? menu_enable_device+0x370/0x370
[  426.877381][    C0]  ? rcu_nocb_flush_deferred_wakeup+0x67/0x2f0
[  426.883508][    C0]  ? sched_clock_cpu+0x1b/0x3b0
[  426.888332][    C0]  cpuidle_enter+0x5f/0xa0
[  426.892725][    C0]  do_idle+0x369/0x5d0
[  426.896765][    C0]  ? idle_inject_timer_fn+0x60/0x60
[  426.901934][    C0]  ? do_idle+0x1/0x5d0
[  426.905992][    C0]  cpu_startup_entry+0x25/0x30
[  426.910733][    C0]  rest_init+0xe6/0xf0
[  426.914775][    C0]  ? time_init+0x38/0x38
[  426.918993][    C0]  arch_call_rest_init+0xe/0x10
[  426.923814][    C0]  start_kernel+0x448/0x4ba
[  426.928288][    C0]  x86_64_start_reservations+0x2a/0x2c
[  426.933716][    C0]  x86_64_start_kernel+0x7a/0x7d
[  426.938643][    C0]  secondary_startup_64_no_verify+0xb0/0xbb
[  426.944607][    C0] Modules linked in:
[  426.948479][    C0] ---[ end trace c74af87a98aa3be1 ]---
[  426.953931][    C0] RIP: 0010:__list_add_valid+0xc6/0xd0
[  426.959362][    C0] Code: 48 c7 c7 00 e0 43 85 4c 89 e6 4c 89 f1 31 c0 e8 4d a4 3f 02 0f 0b 48 c7 c7 c0 e0 43 85 4c 89 f6 4c 89 e1 31 c0 e8 37 a4 3f 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49
[  426.978978][    C0] RSP: 0018:ffffc90000007a00 EFLAGS: 00010046
[  426.985037][    C0] RAX: 0000000000000075 RBX: ffff8881f705c168 RCX: 1495a4cf2abb8d00
[  426.992989][    C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000
[  427.001000][    C0] RBP: ffffc90000007a28 R08: ffffffff8153ad08 R09: ffffed103ee0a5d8
[  427.008947][    C0] R10: ffffed103ee0a5d8 R11: 1ffff1103ee0a5d7 R12: ffff8881100bfc70
[  427.016903][    C0] R13: dffffc0000000000 R14: ffff8881f705c160 R15: ffff8881100bfc70
[  427.024991][    C0] FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[  427.034009][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  427.040586][    C0] CR2: 00007efdb4d69130 CR3: 000000011d0f8000 CR4: 00000000003506b0
[  427.048535][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  427.056482][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  427.064445][    C0] Kernel panic - not syncing: Fatal exception in interrupt
[  427.071792][    C0] Kernel Offset: disabled
[  427.076098][    C0] Rebooting in 86400 seconds..