[ 404.967230][ T452] !!!! css_killed_work_fn css_put(ffff8881220a4800) [ 404.968673][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 404.976132][ T452] !!!! css_release enqueue(ffff8881220a4800) [ 404.983785][ T429] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 404.991172][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 404.995245][ T429] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.000743][ T452] !!!! css_killed_work_fn css_put(ffff8881065d3000) [ 405.008856][ T425] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.015440][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.024266][ T429] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.029394][ T452] !!!! css_release enqueue(ffff8881065d3000) [ 405.036386][ T428] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.041422][ T425] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.050547][ T429] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.056942][ T425] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.062621][ T428] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.068354][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.077381][ T428] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.082695][ T425] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.088937][ T5495] !!!! css_create css ffff88811082d000 !!!! [ 405.099879][ T428] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.102676][ T431] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.110787][ T5495] !!!! css_create css ffff88810fc7ac00 !!!! [ 405.119242][ T431] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.121210][ T5495] !!!! css_create css ffff88810fc7b800 !!!! [ 405.128899][ T431] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.133879][ T5495] FAULT_INJECTION: forcing a failure. [ 405.133879][ T5495] name failslab, interval 1, probability 0, space 0, times 0 [ 405.141659][ T431] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 405.154095][ T5495] CPU: 0 PID: 5495 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 405.171733][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.181784][ T5495] Call Trace: [ 405.185058][ T5495] dump_stack_lvl+0x1e2/0x24b [ 405.189710][ T5495] ? bfq_pos_tree_add_move+0x43e/0x43e [ 405.195151][ T5495] dump_stack+0x15/0x17 [ 405.199284][ T5495] should_fail+0x3c0/0x510 [ 405.203681][ T5495] ? __kernfs_new_node+0x99/0x6e0 [ 405.208679][ T5495] __should_failslab+0x9f/0xe0 [ 405.213421][ T5495] should_failslab+0x9/0x20 [ 405.217909][ T5495] __kmalloc_track_caller+0x5f/0x350 [ 405.223170][ T5495] kstrdup_const+0x55/0x90 [ 405.227562][ T5495] __kernfs_new_node+0x99/0x6e0 [ 405.232389][ T5495] ? stack_trace_save+0x1f0/0x1f0 [ 405.237395][ T5495] ? kernfs_new_node+0x170/0x170 [ 405.242311][ T5495] ? ptr_to_hashval+0x60/0x60 [ 405.246981][ T5495] ? snprintf+0xd6/0x120 [ 405.251197][ T5495] ? debug_smp_processor_id+0x17/0x20 [ 405.256560][ T5495] kernfs_new_node+0x97/0x170 [ 405.261211][ T5495] __kernfs_create_file+0x4a/0x270 [ 405.266323][ T5495] cgroup_addrm_files+0xab8/0xfe0 [ 405.271354][ T5495] ? cgroup_apply_control_enable+0x734/0x12e0 [ 405.277408][ T5495] ? cgroup_apply_control+0x93/0x710 [ 405.282690][ T5495] ? cgroup_subtree_control_write+0xd19/0x1310 [ 405.288828][ T5495] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 405.294955][ T5495] ? delete_node+0x759/0x7b0 [ 405.299537][ T5495] ? __kasan_check_read+0x11/0x20 [ 405.304543][ T5495] ? delete_node+0x759/0x7b0 [ 405.309117][ T5495] ? __kasan_check_write+0x14/0x20 [ 405.314208][ T5495] ? __radix_tree_replace+0x246/0x2e0 [ 405.319643][ T5495] ? idr_get_next+0x4b0/0x4b0 [ 405.324294][ T5495] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 405.329292][ T5495] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 405.334467][ T5495] css_populate_dir+0x137/0x370 [ 405.339304][ T5495] cgroup_apply_control_enable+0x629/0x12e0 [ 405.345179][ T5495] cgroup_apply_control+0x93/0x710 [ 405.350269][ T5495] ? css_next_child+0x160/0x160 [ 405.355098][ T5495] ? io_schedule+0x120/0x120 [ 405.359666][ T5495] ? kernfs_fop_write_iter+0x15e/0x410 [ 405.365102][ T5495] ? __kasan_check_write+0x14/0x20 [ 405.370203][ T5495] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 405.375477][ T5495] cgroup_subtree_control_write+0xd19/0x1310 [ 405.381519][ T5495] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 405.387574][ T5495] ? __kasan_check_write+0x14/0x20 [ 405.392660][ T5495] ? _copy_from_iter+0x3fb/0xd60 [ 405.397570][ T5495] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 405.403532][ T5495] cgroup_file_write+0x28e/0x590 [ 405.408449][ T5495] ? cgroup_seqfile_stop+0xc0/0xc0 [ 405.413543][ T5495] ? mutex_lock+0xa6/0x110 [ 405.417932][ T5495] ? mutex_trylock+0xb0/0xb0 [ 405.422496][ T5495] ? __kasan_check_write+0x14/0x20 [ 405.427588][ T5495] kernfs_fop_write_iter+0x2d0/0x410 [ 405.432863][ T5495] ? cgroup_seqfile_stop+0xc0/0xc0 [ 405.437959][ T5495] vfs_write+0xc1c/0xf40 [ 405.442179][ T5495] ? kernel_write+0x3c0/0x3c0 [ 405.446832][ T5495] ? mutex_trylock+0xb0/0xb0 [ 405.451399][ T5495] ? __fdget_pos+0x26d/0x310 [ 405.455961][ T5495] ? ksys_write+0x77/0x2c0 [ 405.460348][ T5495] ksys_write+0x198/0x2c0 [ 405.464649][ T5495] ? __ia32_sys_read+0x90/0x90 [ 405.469395][ T5495] ? debug_smp_processor_id+0x17/0x20 [ 405.474739][ T5495] __x64_sys_write+0x7b/0x90 [ 405.479310][ T5495] do_syscall_64+0x34/0x70 [ 405.483702][ T5495] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 405.489567][ T5495] RIP: 0033:0x7ff351aa10e9 [ 405.493957][ T5495] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 405.513550][ T5495] RSP: 002b:00007ff351a17168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 405.521939][ T5495] RAX: ffffffffffffffda RBX: 00007ff351bb3f60 RCX: 00007ff351aa10e9 [ 405.529883][ T5495] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 405.537832][ T5495] RBP: 00007ff351a171d0 R08: 0000000000000000 R09: 0000000000000000 [ 405.545792][ T5495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 405.553739][ T5495] R13: 00007fff8c6a256f R14: 00007ff351a17300 R15: 0000000000022000 [ 405.562277][ T5495] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 405.569487][ T5495] !!!! control_disable control_disable ss name cpu [ 405.576073][ T5495] !!!! control_disable control_disable ss name memory [ 405.582896][ T5495] !!!! control_disable control_disable ss name pids [ 405.589555][ T5495] !!!! control_disable kill_css(ffff88811082d000) [ 405.596147][ T5495] !!!! control_disable control_disable ss name cpu [ 405.602703][ T5495] !!!! control_disable control_disable ss name memory [ 405.609646][ T5495] !!!! control_disable control_disable ss name pids [ 405.616385][ T5495] !!!! control_disable kill_css(ffff88810fc7ac00) [ 405.622962][ T5495] !!!! control_disable control_disable ss name cpu [ 405.629483][ C1] !!!! css_killed_ref_fn enqueue(ffff88811082d000) [ 405.636106][ T5495] !!!! control_disable control_disable ss name memory [ 405.642855][ T5495] !!!! control_disable control_disable ss name pids [ 405.649437][ T5495] !!!! control_disable kill_css(ffff88810fc7b800) [ 405.655943][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fc7ac00) [ 405.662533][ T5495] !!!! control_disable control_disable ss name cpu [ 405.669145][ T5495] !!!! control_disable control_disable ss name memory [ 405.675912][ T5495] !!!! control_disable control_disable ss name cpu [ 405.682385][ T5495] !!!! control_disable control_disable ss name memory [ 405.689147][ T5495] !!!! control_disable control_disable ss name cpu [ 405.695637][ T5495] !!!! control_disable control_disable ss name memory [ 405.702385][ T5495] !!!! control_disable control_disable ss name cpu [ 405.708880][ T5495] !!!! control_disable control_disable ss name memory [ 405.715632][ T5495] !!!! control_disable control_disable ss name pids [ 405.722307][ T19] !!!! css_killed_work_fn css_put(ffff88811082d000) [ 405.729022][ T5495] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 405.735536][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fc7b800) [ 405.754935][ T19] !!!! css_release enqueue(ffff88811082d000) [ 405.761208][ T19] !!!! css_killed_work_fn css_put(ffff88810fc7ac00) [ 405.767978][ T19] !!!! css_release enqueue(ffff88810fc7ac00) [ 405.774073][ T19] !!!! css_killed_work_fn css_put(ffff88810fc7b800) [ 405.780933][ T19] !!!! css_release enqueue(ffff88810fc7b800) [ 406.525217][ T7] device bridge_slave_1 left promiscuous mode [ 406.531330][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 406.538732][ T7] device bridge_slave_0 left promiscuous mode [ 406.544810][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 406.865179][ C0] !!!! put_css_set_locked css_put(ffff8881220a4400) [ 406.871865][ C0] !!!! put_css_set_locked css_put(ffff88811f371600) [ 406.878515][ C0] !!!! put_css_set_locked css_put(ffff88812206ba00) [ 406.885156][ C0] !!!! put_css_set_locked css_put(ffff8881220df400) [ 406.891795][ C0] !!!! put_css_set_locked css_put(ffff88810fa66000) [ 406.898443][ C0] !!!! put_css_set_locked css_put(ffff88812206b400) [ 406.905146][ C0] !!!! put_css_set_locked css_put(ffff88812206b800) [ 406.911794][ C0] !!!! put_css_set_locked css_put(ffff888100124000) [ 406.918456][ C0] !!!! put_css_set_locked cgroup_put(self ffff88810fa22000) [ 406.925806][ C0] !!!! put_css_set_locked cgroup_put(self ffff88810fa60000) [ 406.933152][ C0] !!!! put_css_set_locked cgroup_put(self ffff88810fa62000) [ 406.940697][ C0] !!!! put_css_set_locked css_put(ffff888110dacc00) [ 406.947373][ C0] !!!! put_css_set_locked css_put(ffff88811f371800) [ 406.954016][ C0] !!!! put_css_set_locked css_put(ffff88811002d000) [ 406.960667][ C0] !!!! put_css_set_locked css_put(ffff88811107b400) [ 406.967306][ C0] !!!! put_css_set_locked css_put(ffff888110a62000) [ 406.973956][ C0] !!!! put_css_set_locked css_put(ffff888110834400) [ 406.980597][ C0] !!!! put_css_set_locked css_put(ffff888110835a00) [ 406.987234][ C0] !!!! put_css_set_locked css_put(ffff888100124000) [ 406.993885][ C0] !!!! put_css_set_locked cgroup_put(self ffff888110a60000) [ 407.001226][ C0] !!!! put_css_set_locked cgroup_put(self ffff888111340000) [ 407.008563][ C0] !!!! put_css_set_locked cgroup_put(self ffff888110b28000) [ 407.016027][ C0] !!!! put_css_set_locked css_put(ffff888110c6b800) [ 407.022695][ C0] !!!! put_css_set_locked css_put(ffff88811f370e00) [ 407.029338][ C0] !!!! put_css_set_locked css_put(ffff88810fd5c400) [ 407.035981][ C0] !!!! put_css_set_locked css_put(ffff88811107e000) [ 407.042620][ C0] !!!! put_css_set_locked css_put(ffff88811033e000) [ 407.049259][ C0] !!!! put_css_set_locked css_put(ffff88811002b800) [ 407.055900][ C0] !!!! put_css_set_locked css_put(ffff88811002b400) [ 407.062539][ C0] !!!! put_css_set_locked css_put(ffff888100124000) [ 407.069180][ C0] !!!! put_css_set_locked cgroup_put(self ffff8881105d2000) [ 407.076522][ C0] !!!! put_css_set_locked cgroup_put(self ffff8881110f4000) [ 407.083858][ C0] !!!! put_css_set_locked cgroup_put(self ffff888110a32000) [ 407.091358][ C0] !!!! put_css_set_locked css_put(ffff888110eac000) [ 407.098033][ C0] !!!! put_css_set_locked css_put(ffff88811f370c00) [ 407.104688][ C0] !!!! put_css_set_locked css_put(ffff88811002bc00) [ 407.111330][ C0] !!!! put_css_set_locked css_put(ffff888111290800) [ 407.117971][ C0] !!!! put_css_set_locked css_put(ffff888110a66000) [ 407.124610][ C0] !!!! put_css_set_locked css_put(ffff888110835e00) [ 407.131262][ C0] !!!! put_css_set_locked css_put(ffff888110834c00) [ 407.137988][ C0] !!!! put_css_set_locked css_put(ffff888100124000) [ 407.144749][ C0] !!!! put_css_set_locked cgroup_put(self ffff888110a94000) [ 407.152088][ C0] !!!! put_css_set_locked cgroup_put(self ffff888111326000) [ 407.159422][ C0] !!!! put_css_set_locked cgroup_put(self ffff888110d02000) [ 407.166906][ C0] !!!! put_css_set_locked css_put(ffff88811107cc00) [ 407.173577][ C0] !!!! put_css_set_locked css_put(ffff88811f370000) [ 407.180228][ C0] !!!! put_css_set_locked css_put(ffff88810fd5ca00) [ 407.186867][ C0] !!!! put_css_set_locked css_put(ffff88811133e800) [ 407.193510][ C0] !!!! put_css_set_locked css_put(ffff888110a88000) [ 407.200149][ C0] !!!! put_css_set_locked css_put(ffff88810ffbc600) [ 407.206876][ C0] !!!! put_css_set_locked css_put(ffff88810ffbca00) [ 407.213526][ C0] !!!! put_css_set_locked css_put(ffff888100124000) [ 407.220163][ C0] !!!! put_css_set_locked cgroup_put(self ffff888110a64000) [ 407.227507][ C0] !!!! put_css_set_locked cgroup_put(self ffff88811111c000) [ 407.234849][ C0] !!!! put_css_set_locked cgroup_put(self ffff8881110f6000) [ 407.242342][ C0] !!!! put_css_set_locked css_put(ffff888104791000) [ 407.249004][ C0] !!!! put_css_set_locked css_put(ffff88811f371400) [ 407.255647][ C0] !!!! put_css_set_locked css_put(ffff8881041af800) [ 407.262285][ C0] !!!! put_css_set_locked css_put(ffff88811f384000) [ 407.268937][ C0] !!!! put_css_set_locked css_put(ffff8881059ac000) [ 407.275578][ C0] !!!! put_css_set_locked css_put(ffff8881041ad800) [ 407.282227][ C0] !!!! put_css_set_locked css_put(ffff8881041adc00) [ 407.288866][ C0] !!!! put_css_set_locked css_put(ffff888100124000) [ 407.295507][ C0] !!!! put_css_set_locked cgroup_put(self ffff8881059a8000) [ 407.302866][ C0] !!!! put_css_set_locked cgroup_put(self ffff8881059aa000) [ 407.310200][ C0] !!!! put_css_set_locked cgroup_put(self ffff888105bb2000) [ 408.075433][ T7] device bridge_slave_1 left promiscuous mode [ 408.081548][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 408.088981][ T7] device bridge_slave_0 left promiscuous mode [ 408.095116][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 408.102464][ T7] device bridge_slave_1 left promiscuous mode [ 408.108607][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 408.115932][ T7] device bridge_slave_0 left promiscuous mode [ 408.122001][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 408.129452][ T7] device bridge_slave_1 left promiscuous mode [ 408.135570][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 408.142896][ T7] device bridge_slave_0 left promiscuous mode [ 408.149090][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 408.156493][ T7] device bridge_slave_1 left promiscuous mode [ 408.162586][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 408.169981][ T7] device bridge_slave_0 left promiscuous mode [ 408.176151][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 408.183576][ T7] device bridge_slave_1 left promiscuous mode [ 408.189774][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 408.197083][ T7] device bridge_slave_0 left promiscuous mode [ 408.203277][ T7] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.0.200' (ECDSA) to the list of known hosts. [ 410.151014][ T5540] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.157578][ T5540] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.164060][ T5540] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.170602][ T5540] !!!! css_create css ffff8881175afc00 !!!! [ 410.176536][ T5540] !!!! css_create css ffff8881175ac400 !!!! [ 410.182438][ T5540] !!!! css_create css ffff8881175ad000 !!!! [ 410.188369][ T5540] !!!! css_create css ffff8881175aec00 !!!! [ 410.194273][ T5540] !!!! css_create css ffff8881175acc00 !!!! [ 410.200210][ T5540] !!!! css_create css ffff8881175ae400 !!!! [ 410.206125][ T5540] !!!! control_disable control_disable ss name cpu [ 410.212594][ T5540] !!!! control_disable control_disable ss name memory [ 410.219357][ T5540] !!!! control_disable control_disable ss name pids [ 410.225945][ T5540] !!!! control_disable control_disable ss name cpu [ 410.232410][ T5540] !!!! control_disable control_disable ss name memory [ 410.239173][ T5540] !!!! control_disable control_disable ss name pids [ 410.245752][ T5540] !!!! control_disable control_disable ss name cpu [ 410.252230][ T5540] !!!! control_disable control_disable ss name memory [ 410.258993][ T5540] !!!! control_disable control_disable ss name pids [ 410.265568][ T5540] !!!! control_disable control_disable ss name cpu [ 410.272037][ T5540] !!!! control_disable control_disable ss name memory [ 410.278793][ T5540] !!!! control_disable control_disable ss name pids [ 410.285379][ T5540] !!!! control_disable control_disable ss name cpu [ 410.291848][ T5540] !!!! control_disable control_disable ss name memory [ 410.298613][ T5540] !!!! control_disable control_disable ss name pids [ 410.305476][ T5540] !!!! control_disable control_disable ss name cpu [ 410.311954][ T5540] !!!! control_disable control_disable ss name memory [ 410.318722][ T5540] !!!! control_disable control_disable ss name pids [ 410.325434][ T5540] !!!! control_disable control_disable ss name cpu [ 410.331911][ T5540] !!!! control_disable control_disable ss name memory [ 410.338691][ T5540] !!!! control_disable control_disable ss name pids [ 410.345325][ T5540] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.351962][ T5540] cgroup: Unknown subsys name 'net' [ 410.357373][ T5540] cgroup: Unknown subsys name 'devices' [ 410.363313][ T5540] cgroup: Unknown subsys name 'hugetlb' [ 410.368917][ T5540] cgroup: Unknown subsys name 'rlimit' [ 410.395219][ T5548] !!!! cgroup_kn_unlock css_put(ffff888110a64000) [ 410.401890][ T5548] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 410.408560][ T5548] !!!! put_css_set_locked css_put(ffff88811f370000) [ 410.415220][ T5548] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 410.421881][ T5548] !!!! put_css_set_locked css_put(ffffffff86918540) [ 410.428540][ T5548] !!!! put_css_set_locked css_put(ffff888110a88000) [ 410.435200][ T5548] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 410.441854][ T5548] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 410.448493][ T5548] !!!! put_css_set_locked css_put(ffff8881175ae400) [ 410.455166][ T5548] !!!! put_css_set_locked cgroup_put(self ffff888110a64000) [ 410.462692][ T5548] !!!! cgroup_kn_unlock css_put(ffff8881110f6000) [ 410.463208][ T5544] !!!! cgroup_kn_unlock css_put(ffff8881059a8000) [ 410.469402][ T5548] !!!! put_css_set_locked css_put(ffff88811107cc00) [ 410.482348][ T5548] !!!! put_css_set_locked css_put(ffff88811f370000) [ 410.489009][ T5548] !!!! put_css_set_locked css_put(ffff88810fd5ca00) [ 410.495656][ T5548] !!!! put_css_set_locked css_put(ffffffff86918540) [ 410.502308][ T5548] !!!! put_css_set_locked css_put(ffff888110a88000) [ 410.508956][ T5548] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 410.515612][ T5548] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 410.522257][ T5548] !!!! put_css_set_locked css_put(ffff8881175ae400) [ 410.528901][ T5548] !!!! put_css_set_locked cgroup_put(self ffff888110a64000) [ 410.536249][ T5548] !!!! put_css_set_locked cgroup_put(self ffff8881110f6000) [ 410.543861][ T5548] !!!! cgroup_kn_unlock css_put(ffff88811111c000) [ 410.544022][ T5551] !!!! cgroup_kn_unlock css_put(ffff8881105d2000) [ 410.551565][ T5549] !!!! cgroup_kn_unlock css_put(ffff888110a94000) [ 410.558424][ T5553] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 410.570037][ T5553] !!!! put_css_set_locked css_put(ffff88811f371400) [ 410.576682][ T5553] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 410.583341][ T5553] !!!! put_css_set_locked css_put(ffffffff86918540) [ 410.589980][ T5553] !!!! put_css_set_locked css_put(ffff8881059ac000) [ 410.596619][ T5553] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 410.603265][ T5553] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 410.609917][ T5553] !!!! put_css_set_locked css_put(ffff8881175afc00) [ 410.616560][ T5553] !!!! put_css_set_locked cgroup_put(self ffff8881059a8000) [ 410.623910][ T5553] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 410.630552][ T5553] !!!! put_css_set_locked css_put(ffff88811f370e00) [ 410.637193][ T5553] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 410.643829][ T5553] !!!! put_css_set_locked css_put(ffffffff86918540) [ 410.650469][ T5553] !!!! put_css_set_locked css_put(ffff88811033e000) [ 410.657113][ T5553] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 410.663753][ T5553] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 410.670396][ T5553] !!!! put_css_set_locked css_put(ffff8881175ad000) [ 410.677040][ T5553] !!!! put_css_set_locked cgroup_put(self ffff8881105d2000) [ 410.684401][ T5553] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 410.691047][ T5553] !!!! put_css_set_locked css_put(ffff88811f370c00) [ 410.697685][ T5553] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 410.704325][ T5553] !!!! put_css_set_locked css_put(ffffffff86918540) [ 410.710965][ T5553] !!!! put_css_set_locked css_put(ffff888110a66000) [ 410.717606][ T5553] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 410.724250][ T5553] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 410.730892][ T5553] !!!! put_css_set_locked css_put(ffff8881175aec00) [ 410.737535][ T5553] !!!! put_css_set_locked cgroup_put(self ffff888110a94000) [ 410.744893][ T5553] !!!! put_css_set_locked css_put(ffff88811107cc00) [ 410.751562][ T5553] !!!! put_css_set_locked css_put(ffff88811f370000) [ 410.758201][ T5553] !!!! put_css_set_locked css_put(ffff88810fd5ca00) [ 410.764843][ T5553] !!!! put_css_set_locked css_put(ffff88811133e800) [ 410.771481][ T5553] !!!! put_css_set_locked css_put(ffff888110a88000) [ 410.778120][ T5553] !!!! put_css_set_locked css_put(ffff88810ffbc600) [ 410.784762][ T5553] !!!! put_css_set_locked css_put(ffff88810ffbca00) [ 410.791401][ T5553] !!!! put_css_set_locked css_put(ffff8881175ae400) [ 410.798041][ T5553] !!!! put_css_set_locked cgroup_put(self ffff888110a64000) [ 410.805397][ T5553] !!!! put_css_set_locked cgroup_put(self ffff88811111c000) [ 410.812740][ T5553] !!!! put_css_set_locked cgroup_put(self ffff8881110f6000) [ 410.820203][ T5553] !!!! control_disable control_disable ss name cpu [ 410.826820][ T5553] !!!! control_disable control_disable ss name memory [ 410.833558][ T5553] !!!! control_disable control_disable ss name pids [ 410.840233][ T5553] !!!! control_disable kill_css(ffff8881175afc00) [ 410.846754][ T5553] !!!! control_disable control_disable ss name cpu [ 410.853230][ T5553] !!!! control_disable control_disable ss name memory [ 410.859980][ T5553] !!!! control_disable control_disable ss name pids [ 410.866657][ T5553] !!!! control_disable kill_css(ffff8881175ac400) [ 410.873173][ T5553] !!!! control_disable control_disable ss name cpu [ 410.879692][ T5553] !!!! control_disable control_disable ss name memory [ 410.886512][ T5553] !!!! control_disable control_disable ss name pids [ 410.893105][ T5553] !!!! control_disable kill_css(ffff8881175ad000) [ 410.899714][ T5553] !!!! control_disable control_disable ss name cpu [ 410.906246][ T5553] !!!! control_disable control_disable ss name memory [ 410.913015][ T5553] !!!! control_disable control_disable ss name pids [ 410.919602][ C0] !!!! css_killed_ref_fn enqueue(ffff8881175afc00) [ 410.919635][ C0] !!!! css_killed_ref_fn enqueue(ffff8881175ac400) [ 410.932819][ T5553] !!!! control_disable kill_css(ffff8881175aec00) [ 410.939359][ T5553] !!!! control_disable control_disable ss name cpu [ 410.945882][ C0] !!!! css_killed_ref_fn enqueue(ffff8881175ad000) [ 410.952480][ T5553] !!!! control_disable control_disable ss name memory [ 410.959240][ T5553] !!!! control_disable control_disable ss name pids [ 410.965821][ T5553] !!!! control_disable kill_css(ffff8881175acc00) [ 410.972329][ T5553] !!!! control_disable control_disable ss name cpu [ 410.978830][ T5553] !!!! control_disable control_disable ss name memory [ 410.985585][ T5553] !!!! control_disable control_disable ss name pids [ 410.992144][ T5553] !!!! control_disable kill_css(ffff8881175ae400) [ 410.998671][ T5553] !!!! control_disable control_disable ss name cpu [ 411.005161][ T5553] !!!! control_disable control_disable ss name memory [ 411.011893][ T5553] !!!! control_disable control_disable ss name pids [ 411.018518][ T5553] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 411.018858][ T5552] !!!! cgroup_kn_unlock css_put(ffff88810fa22000) [ 411.025105][ T5550] !!!! cgroup_kn_unlock css_put(ffff888110a60000) [ 411.031728][ T5552] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 411.038331][ C0] !!!! css_killed_ref_fn enqueue(ffff8881175aec00) [ 411.044645][ T5552] !!!! put_css_set_locked css_put(ffff88811f371600) [ 411.057838][ T5552] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 411.064479][ T5552] !!!! put_css_set_locked css_put(ffffffff86918540) [ 411.071123][ T5552] !!!! put_css_set_locked css_put(ffff88810fa66000) [ 411.077765][ T5552] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 411.084413][ T5552] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 411.091061][ T5552] !!!! put_css_set_locked css_put(ffff888100124000) [ 411.097702][ T5552] !!!! put_css_set_locked cgroup_put(self ffff88810fa22000) [ 411.105224][ T5552] !!!! cgroup_kn_unlock css_put(ffff88810fa62000) [ 411.105448][ T5544] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 411.118364][ T5544] !!!! put_css_set_locked css_put(ffff88811f371400) [ 411.125012][ T5544] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 411.131656][ T5544] !!!! put_css_set_locked css_put(ffffffff86918540) [ 411.138299][ T5544] !!!! put_css_set_locked css_put(ffff8881059ac000) [ 411.144941][ T5544] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 411.151583][ T5544] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 411.158244][ T5544] !!!! put_css_set_locked css_put(ffff888100124000) [ 411.164909][ T5544] !!!! put_css_set_locked cgroup_put(self ffff8881059a8000) [ 411.172336][ C0] !!!! css_killed_ref_fn enqueue(ffff8881175acc00) [ 411.178963][ C0] !!!! css_killed_ref_fn enqueue(ffff8881175ae400) [ 411.185605][ T5544] !!!! cgroup_kn_unlock css_put(ffff888105bb2000) [ 411.185715][ T5549] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 411.198740][ T5549] !!!! put_css_set_locked css_put(ffff88811f370c00) [ 411.205384][ T5549] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 411.212031][ T5549] !!!! put_css_set_locked css_put(ffffffff86918540) [ 411.218672][ T5549] !!!! put_css_set_locked css_put(ffff888110a66000) [ 411.225415][ T5549] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 411.232054][ T5549] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 411.238697][ T5549] !!!! put_css_set_locked css_put(ffff888100124000) [ 411.245361][ T5549] !!!! put_css_set_locked cgroup_put(self ffff888110a94000) [ 411.252943][ T5551] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 411.253268][ T5549] !!!! cgroup_kn_unlock css_put(ffff888110d02000) [ 411.259609][ T5551] !!!! put_css_set_locked css_put(ffff88811f370e00) [ 411.259614][ T5551] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 411.259619][ T5551] !!!! put_css_set_locked css_put(ffffffff86918540) [ 411.259624][ T5551] !!!! put_css_set_locked css_put(ffff88811033e000) [ 411.259628][ T5551] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 411.259632][ T5551] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 411.259637][ T5551] !!!! put_css_set_locked css_put(ffff888100124000) [ 411.259642][ T5551] !!!! put_css_set_locked cgroup_put(self ffff8881105d2000) [ 411.259726][ T5551] !!!! cgroup_kn_unlock css_put(ffff888110a32000) [ 411.266405][ T5534] !!!! css_killed_work_fn css_put(ffff8881175afc00) [ 411.333328][ T5534] !!!! css_release enqueue(ffff8881175afc00) [ 411.339481][ T5550] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 411.346138][ T5550] !!!! put_css_set_locked css_put(ffff88811f371800) [ 411.352780][ T5550] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 411.359420][ T5550] !!!! put_css_set_locked css_put(ffffffff86918540) [ 411.366068][ T5550] !!!! put_css_set_locked css_put(ffff888110a62000) [ 411.372710][ T5550] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 411.379367][ T5550] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 411.386007][ T5550] !!!! put_css_set_locked css_put(ffff888100124000) [ 411.392662][ T5550] !!!! put_css_set_locked cgroup_put(self ffff888110a60000) [ 411.400228][ T5550] !!!! cgroup_kn_unlock css_put(ffff888110b28000) [ 411.400434][ T5552] !!!! put_css_set_locked css_put(ffff8881220a4400) [ 411.413365][ T5552] !!!! put_css_set_locked css_put(ffff88811f371600) [ 411.420010][ T5552] !!!! put_css_set_locked css_put(ffff88812206ba00) [ 411.426663][ T5552] !!!! put_css_set_locked css_put(ffffffff86918540) [ 411.433304][ T5552] !!!! put_css_set_locked css_put(ffff88810fa66000) [ 411.439955][ T5552] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 411.446697][ T5552] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 411.453349][ T5552] !!!! put_css_set_locked css_put(ffff888100124000) [ 411.460005][ T5552] !!!! put_css_set_locked cgroup_put(self ffff88810fa22000) [ 411.467361][ T5552] !!!! put_css_set_locked cgroup_put(self ffff88810fa62000) [ 411.474822][ T5552] !!!! cgroup_kn_unlock css_put(ffff88810fa60000) [ 411.475085][ T5544] !!!! put_css_set_locked css_put(ffff888104791000) [ 411.488173][ T5544] !!!! put_css_set_locked css_put(ffff88811f371400) [ 411.494820][ T5544] !!!! put_css_set_locked css_put(ffff8881041af800) [ 411.501472][ T5544] !!!! put_css_set_locked css_put(ffffffff86918540) [ 411.508118][ T5544] !!!! put_css_set_locked css_put(ffff8881059ac000) [ 411.514779][ T5544] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 411.521430][ T5544] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 411.528082][ T5544] !!!! put_css_set_locked css_put(ffff888100124000) [ 411.534743][ T5544] !!!! put_css_set_locked cgroup_put(self ffff8881059a8000) [ 411.542100][ T5544] !!!! put_css_set_locked cgroup_put(self ffff888105bb2000) [ 411.549544][ T5544] !!!! cgroup_kn_unlock css_put(ffff8881059aa000) [ 411.550151][ T5551] !!!! put_css_set_locked css_put(ffff888110c6b800) [ 411.562700][ T5551] !!!! put_css_set_locked css_put(ffff88811f370e00) [ 411.569438][ T5551] !!!! put_css_set_locked css_put(ffff88810fd5c400) [ 411.576097][ T5551] !!!! put_css_set_locked css_put(ffffffff86918540) [ 411.582745][ T5551] !!!! put_css_set_locked css_put(ffff88811033e000) [ 411.589397][ T5551] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 411.596056][ T5551] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 411.602699][ T5551] !!!! put_css_set_locked css_put(ffff888100124000) [ 411.609342][ T5551] !!!! put_css_set_locked cgroup_put(self ffff8881105d2000) [ 411.616688][ T5551] !!!! put_css_set_locked cgroup_put(self ffff888110a32000) [ 411.624199][ T5551] !!!! cgroup_kn_unlock css_put(ffff8881110f4000) [ 411.624611][ T5549] !!!! put_css_set_locked css_put(ffff888110eac000) [ 411.637395][ T5549] !!!! put_css_set_locked css_put(ffff88811f370c00) [ 411.644041][ T5549] !!!! put_css_set_locked css_put(ffff88811002bc00) [ 411.650691][ T5549] !!!! put_css_set_locked css_put(ffffffff86918540) [ 411.657332][ T5549] !!!! put_css_set_locked css_put(ffff888110a66000) [ 411.663974][ T5549] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 411.670622][ T5549] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 411.677264][ T5549] !!!! put_css_set_locked css_put(ffff888100124000) [ 411.683905][ T5549] !!!! put_css_set_locked cgroup_put(self ffff888110a94000) [ 411.691265][ T5549] !!!! put_css_set_locked cgroup_put(self ffff888110d02000) [ 411.698761][ T5534] !!!! css_killed_work_fn css_put(ffff8881175ac400) [ 411.700448][ T5549] !!!! cgroup_kn_unlock css_put(ffff888111326000) [ 411.705516][ T5534] !!!! css_release enqueue(ffff8881175ac400) [ 411.718102][ T5550] !!!! put_css_set_locked css_put(ffff888110dacc00) [ 411.724749][ T5550] !!!! put_css_set_locked css_put(ffff88811f371800) [ 411.731395][ T5550] !!!! put_css_set_locked css_put(ffff88811002d000) [ 411.738035][ T5550] !!!! put_css_set_locked css_put(ffffffff86918540) [ 411.744680][ T5550] !!!! put_css_set_locked css_put(ffff888110a62000) [ 411.751320][ T5550] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 411.757962][ T5550] !!!! put_css_set_locked css_put(ffff8881001c6c00) [ 411.764606][ T5550] !!!! put_css_set_locked css_put(ffff888100124000) [ 411.771248][ T5550] !!!! put_css_set_locked cgroup_put(self ffff888110a60000) [ 411.778595][ T5550] !!!! put_css_set_locked cgroup_put(self ffff888110b28000) [ 411.786032][ T5550] !!!! cgroup_kn_unlock css_put(ffff888111340000) [ 411.786754][ T5534] !!!! css_killed_work_fn css_put(ffff8881175ad000) [ 411.799202][ T5534] !!!! css_release enqueue(ffff8881175ad000) [ 411.805605][ T5534] !!!! css_killed_work_fn css_put(ffff8881175aec00) [ 411.812271][ T5534] !!!! css_release enqueue(ffff8881175aec00) [ 411.818552][ T5534] !!!! css_killed_work_fn css_put(ffff8881175acc00) [ 411.825319][ T5534] !!!! css_release enqueue(ffff8881175acc00) [ 411.831495][ T5534] !!!! css_killed_work_fn css_put(ffff8881175ae400) [ 411.838288][ T5534] !!!! css_release enqueue(ffff8881175ae400) [ 411.844354][ T5555] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 411.844391][ T5554] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 411.851230][ T5555] !!!! css_create css ffff88810ffb6000 !!!! [ 411.857459][ T5557] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 411.863495][ T5555] !!!! css_create css ffff88810ffb5400 !!!! [ 411.875814][ T5555] !!!! css_create css ffff888110119000 !!!! [ 411.881695][ T5555] FAULT_INJECTION: forcing a failure. [ 411.881695][ T5555] name failslab, interval 1, probability 0, space 0, times 0 [ 411.894321][ T5555] CPU: 1 PID: 5555 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 411.906195][ T5555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.916228][ T5555] Call Trace: [ 411.919502][ T5555] dump_stack_lvl+0x1e2/0x24b [ 411.924174][ T5555] ? bfq_pos_tree_add_move+0x43e/0x43e [ 411.929609][ T5555] ? serial8250_console_write+0xae0/0xe60 [ 411.935305][ T5555] ? record_print_text+0x266/0x420 [ 411.940391][ T5555] dump_stack+0x15/0x17 [ 411.944524][ T5555] should_fail+0x3c0/0x510 [ 411.948916][ T5555] ? __kernfs_new_node+0x99/0x6e0 [ 411.953918][ T5555] __should_failslab+0x9f/0xe0 [ 411.958666][ T5555] should_failslab+0x9/0x20 [ 411.963149][ T5555] __kmalloc_track_caller+0x5f/0x350 [ 411.968414][ T5555] kstrdup_const+0x55/0x90 [ 411.972807][ T5555] __kernfs_new_node+0x99/0x6e0 [ 411.977669][ T5555] ? stack_trace_save+0x1f0/0x1f0 [ 411.982672][ T5555] ? kernfs_new_node+0x170/0x170 [ 411.987587][ T5555] ? ptr_to_hashval+0x60/0x60 [ 411.992240][ T5555] ? snprintf+0xd6/0x120 [ 411.996468][ T5555] kernfs_new_node+0x97/0x170 [ 412.001124][ T5555] __kernfs_create_file+0x4a/0x270 [ 412.006297][ T5555] cgroup_addrm_files+0xab8/0xfe0 [ 412.011304][ T5555] ? cgroup_apply_control_enable+0x734/0x12e0 [ 412.017344][ T5555] ? cgroup_apply_control+0x93/0x710 [ 412.022610][ T5555] ? cgroup_subtree_control_write+0xd19/0x1310 [ 412.028743][ T5555] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 412.034873][ T5555] ? delete_node+0x759/0x7b0 [ 412.039442][ T5555] ? __kasan_check_read+0x11/0x20 [ 412.044443][ T5555] ? delete_node+0x759/0x7b0 [ 412.049128][ T5555] ? __kasan_check_write+0x14/0x20 [ 412.054215][ T5555] ? __radix_tree_replace+0x246/0x2e0 [ 412.059565][ T5555] ? idr_get_next+0x4b0/0x4b0 [ 412.064406][ T5555] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 412.069405][ T5555] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 412.074585][ T5555] css_populate_dir+0x137/0x370 [ 412.079414][ T5555] cgroup_apply_control_enable+0x629/0x12e0 [ 412.085285][ T5555] cgroup_apply_control+0x93/0x710 [ 412.090392][ T5555] ? css_next_child+0x160/0x160 [ 412.095219][ T5555] ? stack_trace_save+0x12d/0x1f0 [ 412.100223][ T5555] ? io_schedule+0x120/0x120 [ 412.104793][ T5555] ? kernfs_fop_write_iter+0x15e/0x410 [ 412.110229][ T5555] ? __kasan_check_write+0x14/0x20 [ 412.115321][ T5555] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 412.120581][ T5555] cgroup_subtree_control_write+0xd19/0x1310 [ 412.126539][ T5555] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 412.132590][ T5555] ? __kasan_check_write+0x14/0x20 [ 412.137696][ T5555] ? _copy_from_iter+0x3fb/0xd60 [ 412.142617][ T5555] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 412.148576][ T5555] cgroup_file_write+0x28e/0x590 [ 412.153501][ T5555] ? cgroup_seqfile_stop+0xc0/0xc0 [ 412.158601][ T5555] ? mutex_lock+0xa6/0x110 [ 412.163006][ T5555] ? mutex_trylock+0xb0/0xb0 [ 412.167577][ T5555] ? __kasan_check_write+0x14/0x20 [ 412.172666][ T5555] kernfs_fop_write_iter+0x2d0/0x410 [ 412.177936][ T5555] ? cgroup_seqfile_stop+0xc0/0xc0 [ 412.183025][ T5555] vfs_write+0xc1c/0xf40 [ 412.187246][ T5555] ? slab_free_freelist_hook+0xcc/0x1a0 [ 412.192799][ T5555] ? kernel_write+0x3c0/0x3c0 [ 412.197452][ T5555] ? do_sys_openat2+0x397/0x470 [ 412.202279][ T5555] ? __kasan_check_read+0x11/0x20 [ 412.207279][ T5555] ? __fdget_pos+0x27e/0x310 [ 412.211861][ T5555] ksys_write+0x198/0x2c0 [ 412.216179][ T5555] ? __ia32_sys_read+0x90/0x90 [ 412.220923][ T5555] ? debug_smp_processor_id+0x17/0x20 [ 412.226277][ T5555] __x64_sys_write+0x7b/0x90 [ 412.230853][ T5555] do_syscall_64+0x34/0x70 [ 412.235254][ T5555] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 412.241134][ T5555] RIP: 0033:0x7f20e245dc09 [ 412.245537][ T5555] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 412.265125][ T5555] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 412.273515][ T5555] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 412.281475][ T5555] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 412.289432][ T5555] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 412.297387][ T5555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 412.305344][ T5555] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000000 [ 412.313492][ T5555] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 412.320643][ T5555] !!!! control_disable control_disable ss name cpu [ 412.327188][ T5555] !!!! control_disable control_disable ss name memory [ 412.334014][ T5555] !!!! control_disable control_disable ss name pids [ 412.340700][ T5555] !!!! control_disable kill_css(ffff88810ffb6000) [ 412.347350][ T5555] !!!! control_disable control_disable ss name cpu [ 412.353869][ T5555] !!!! control_disable control_disable ss name memory [ 412.360672][ T5555] !!!! control_disable control_disable ss name pids [ 412.367311][ T5555] !!!! control_disable kill_css(ffff88810ffb5400) [ 412.373887][ T5555] !!!! control_disable control_disable ss name cpu [ 412.380417][ C0] !!!! css_killed_ref_fn enqueue(ffff88810ffb6000) [ 412.387008][ T5555] !!!! control_disable control_disable ss name memory [ 412.393761][ T5555] !!!! control_disable control_disable ss name pids [ 412.400364][ T5555] !!!! control_disable kill_css(ffff888110119000) [ 412.406878][ C1] !!!! css_killed_ref_fn enqueue(ffff88810ffb5400) [ 412.413502][ T5555] !!!! control_disable control_disable ss name cpu [ 412.420021][ T5555] !!!! control_disable control_disable ss name memory [ 412.426790][ T5555] !!!! control_disable control_disable ss name cpu [ 412.433264][ T5555] !!!! control_disable control_disable ss name memory [ 412.440045][ T5555] !!!! control_disable control_disable ss name cpu [ 412.446587][ T5555] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 412.453323][ T5555] !!!! control_disable control_disable ss name cpu [ 412.459827][ T5555] !!!! control_disable control_disable ss name memory [ 412.466603][ T5555] !!!! control_disable control_disable ss name pids [ 412.473209][ T5555] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 412.473358][ T5534] !!!! css_killed_work_fn css_put(ffff88810ffb6000) [ 412.481914][ C1] !!!! css_killed_ref_fn enqueue(ffff888110119000) [ 412.486454][ T5534] !!!! css_release enqueue(ffff88810ffb6000) [ 412.499195][ T5529] !!!! css_killed_work_fn css_put(ffff88810ffb5400) [ 412.505992][ T5529] !!!! css_release enqueue(ffff88810ffb5400) [ 412.512309][ T5529] !!!! css_killed_work_fn css_put(ffff888110119000) [ 412.519113][ T5529] !!!! css_release enqueue(ffff888110119000) [ 412.525343][ T5559] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 412.525365][ T5556] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 412.532097][ T5559] !!!! css_create css ffff88810febc400 !!!! [ 412.544309][ T5559] !!!! css_create css ffff88810febf000 !!!! [ 412.550283][ T5559] !!!! css_create css ffff88810cf9dc00 !!!! [ 412.556201][ T5559] FAULT_INJECTION: forcing a failure. [ 412.556201][ T5559] name failslab, interval 1, probability 0, space 0, times 0 [ 412.568790][ T5559] CPU: 1 PID: 5559 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 412.580736][ T5559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.590787][ T5559] Call Trace: [ 412.594056][ T5559] dump_stack_lvl+0x1e2/0x24b [ 412.598719][ T5559] ? bfq_pos_tree_add_move+0x43e/0x43e [ 412.604160][ T5559] ? find_next_bit+0xd6/0x120 [ 412.608816][ T5559] ? cpumask_next+0x11/0x30 [ 412.613346][ T5559] dump_stack+0x15/0x17 [ 412.617496][ T5559] should_fail+0x3c0/0x510 [ 412.621902][ T5559] ? percpu_ref_init+0xd0/0x330 [ 412.626833][ T5559] __should_failslab+0x9f/0xe0 [ 412.631583][ T5559] should_failslab+0x9/0x20 [ 412.636065][ T5559] kmem_cache_alloc_trace+0x3a/0x330 [ 412.641329][ T5559] percpu_ref_init+0xd0/0x330 [ 412.646013][ T5559] ? cgroup_setup_root+0xea0/0xea0 [ 412.651114][ T5559] cgroup_apply_control_enable+0x734/0x12e0 [ 412.656991][ T5559] cgroup_apply_control+0x93/0x710 [ 412.662087][ T5559] ? css_next_child+0x160/0x160 [ 412.666916][ T5559] ? stack_trace_save+0x12d/0x1f0 [ 412.671930][ T5559] ? io_schedule+0x120/0x120 [ 412.676506][ T5559] ? kernfs_fop_write_iter+0x15e/0x410 [ 412.681940][ T5559] ? __kasan_check_write+0x14/0x20 [ 412.687032][ T5559] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 412.692290][ T5559] cgroup_subtree_control_write+0xd19/0x1310 [ 412.698244][ T5559] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 412.704199][ T5559] ? __kasan_check_write+0x14/0x20 [ 412.709303][ T5559] ? _copy_from_iter+0x3fb/0xd60 [ 412.714227][ T5559] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 412.720194][ T5559] cgroup_file_write+0x28e/0x590 [ 412.725114][ T5559] ? cgroup_seqfile_stop+0xc0/0xc0 [ 412.730213][ T5559] ? mutex_lock+0xa6/0x110 [ 412.734602][ T5559] ? mutex_trylock+0xb0/0xb0 [ 412.739184][ T5559] ? __kasan_check_write+0x14/0x20 [ 412.744276][ T5559] kernfs_fop_write_iter+0x2d0/0x410 [ 412.749546][ T5559] ? cgroup_seqfile_stop+0xc0/0xc0 [ 412.754633][ T5559] vfs_write+0xc1c/0xf40 [ 412.758862][ T5559] ? slab_free_freelist_hook+0xcc/0x1a0 [ 412.764382][ T5559] ? kernel_write+0x3c0/0x3c0 [ 412.769033][ T5559] ? do_sys_openat2+0x397/0x470 [ 412.773873][ T5559] ? __kasan_check_read+0x11/0x20 [ 412.778875][ T5559] ? __fdget_pos+0x27e/0x310 [ 412.783436][ T5559] ksys_write+0x198/0x2c0 [ 412.787740][ T5559] ? __ia32_sys_read+0x90/0x90 [ 412.792488][ T5559] ? debug_smp_processor_id+0x17/0x20 [ 412.797915][ T5559] __x64_sys_write+0x7b/0x90 [ 412.802515][ T5559] do_syscall_64+0x34/0x70 [ 412.806914][ T5559] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 412.812782][ T5559] RIP: 0033:0x7f20e245dc09 [ 412.817171][ T5559] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 412.836868][ T5559] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 412.845266][ T5559] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 412.853244][ T5559] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 412.861199][ T5559] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 412.869167][ T5559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 412.877212][ T5559] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000001 [ 412.885288][ T5559] !!!! css_create rcu_enqueue(ffff88810cf9dc00) !!!! [ 412.891964][ T5559] !!!! control_disable control_disable ss name cpu [ 412.898527][ T5559] !!!! control_disable control_disable ss name memory [ 412.905313][ T5559] !!!! control_disable control_disable ss name pids [ 412.911883][ T5559] !!!! control_disable kill_css(ffff88810febc400) [ 412.918497][ T5559] !!!! control_disable control_disable ss name cpu [ 412.925120][ T5559] !!!! control_disable control_disable ss name memory [ 412.931892][ T5559] !!!! control_disable control_disable ss name pids [ 412.938526][ T5559] !!!! control_disable kill_css(ffff88810febf000) [ 412.945379][ T5559] !!!! control_disable control_disable ss name cpu [ 412.951899][ T5559] !!!! control_disable control_disable ss name memory [ 412.958676][ C0] !!!! css_killed_ref_fn enqueue(ffff88810febc400) [ 412.965289][ T5559] !!!! control_disable control_disable ss name cpu [ 412.971762][ T5559] !!!! control_disable control_disable ss name memory [ 412.978533][ T5559] !!!! control_disable control_disable ss name cpu [ 412.985034][ C0] !!!! css_killed_ref_fn enqueue(ffff88810febf000) [ 412.991660][ T5559] !!!! control_disable control_disable ss name memory [ 412.998443][ T5559] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 413.004964][ T5559] !!!! control_disable control_disable ss name memory [ 413.011700][ T5559] !!!! control_disable control_disable ss name cpu [ 413.018203][ T5559] !!!! control_disable control_disable ss name memory [ 413.024974][ T5559] !!!! control_disable control_disable ss name pids [ 413.031565][ T5559] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 413.038090][ T5534] !!!! css_killed_work_fn css_put(ffff88810febc400) [ 413.044861][ T5534] !!!! css_release enqueue(ffff88810febc400) [ 413.050994][ T5534] !!!! css_killed_work_fn css_put(ffff88810febf000) [ 413.057782][ T5534] !!!! css_release enqueue(ffff88810febf000) [ 413.063880][ T5556] !!!! css_create css ffff88811f7e0c00 !!!! [ 413.070025][ T5556] !!!! css_create css ffff88811f7e3400 !!!! [ 413.076300][ T5556] !!!! css_create css ffff88811f7e2800 !!!! [ 413.082257][ T5556] FAULT_INJECTION: forcing a failure. [ 413.082257][ T5556] name failslab, interval 1, probability 0, space 0, times 0 [ 413.094960][ T5556] CPU: 1 PID: 5556 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 413.106670][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.116701][ T5556] Call Trace: [ 413.119969][ T5556] dump_stack_lvl+0x1e2/0x24b [ 413.124621][ T5556] ? panic+0x7d7/0x7d7 [ 413.128660][ T5556] ? bfq_pos_tree_add_move+0x43e/0x43e [ 413.134101][ T5556] ? __kasan_check_write+0x14/0x20 [ 413.139194][ T5556] ? __switch_to+0x5e4/0x1220 [ 413.143841][ T5556] dump_stack+0x15/0x17 [ 413.147967][ T5556] should_fail+0x3c0/0x510 [ 413.152360][ T5556] __should_failslab+0x9f/0xe0 [ 413.157095][ T5556] should_failslab+0x9/0x20 [ 413.161582][ T5556] kmem_cache_alloc+0x3f/0x300 [ 413.166328][ T5556] ? __kernfs_new_node+0xdb/0x6e0 [ 413.171320][ T5556] __kernfs_new_node+0xdb/0x6e0 [ 413.176152][ T5556] ? stack_trace_save+0x1f0/0x1f0 [ 413.181160][ T5556] ? kernfs_new_node+0x170/0x170 [ 413.186088][ T5556] ? ptr_to_hashval+0x60/0x60 [ 413.190734][ T5556] ? snprintf+0xd6/0x120 [ 413.194968][ T5556] kernfs_new_node+0x97/0x170 [ 413.199619][ T5556] __kernfs_create_file+0x4a/0x270 [ 413.204697][ T5556] cgroup_addrm_files+0xab8/0xfe0 [ 413.209690][ T5556] ? cgroup_apply_control_enable+0x734/0x12e0 [ 413.215726][ T5556] ? cgroup_apply_control+0x93/0x710 [ 413.220979][ T5556] ? cgroup_subtree_control_write+0xd19/0x1310 [ 413.227116][ T5556] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 413.233238][ T5556] ? delete_node+0x759/0x7b0 [ 413.237801][ T5556] ? __kasan_check_read+0x11/0x20 [ 413.242793][ T5556] ? delete_node+0x759/0x7b0 [ 413.247351][ T5556] ? __kasan_check_write+0x14/0x20 [ 413.252442][ T5556] ? __radix_tree_replace+0x246/0x2e0 [ 413.257785][ T5556] ? idr_get_next+0x4b0/0x4b0 [ 413.262428][ T5556] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 413.267426][ T5556] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 413.272597][ T5556] css_populate_dir+0x137/0x370 [ 413.277419][ T5556] cgroup_apply_control_enable+0x629/0x12e0 [ 413.283284][ T5556] cgroup_apply_control+0x93/0x710 [ 413.288362][ T5556] ? css_next_child+0x160/0x160 [ 413.293190][ T5556] ? stack_trace_save+0x12d/0x1f0 [ 413.298195][ T5556] ? io_schedule+0x120/0x120 [ 413.302753][ T5556] ? kernfs_fop_write_iter+0x15e/0x410 [ 413.308181][ T5556] ? __kasan_check_write+0x14/0x20 [ 413.313271][ T5556] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 413.318526][ T5556] cgroup_subtree_control_write+0xd19/0x1310 [ 413.324475][ T5556] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 413.330421][ T5556] ? __kasan_check_write+0x14/0x20 [ 413.335504][ T5556] ? _copy_from_iter+0x3fb/0xd60 [ 413.340407][ T5556] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 413.346355][ T5556] cgroup_file_write+0x28e/0x590 [ 413.351261][ T5556] ? cgroup_seqfile_stop+0xc0/0xc0 [ 413.356340][ T5556] ? mutex_lock+0xa6/0x110 [ 413.360727][ T5556] ? mutex_trylock+0xb0/0xb0 [ 413.365287][ T5556] ? __kasan_check_write+0x14/0x20 [ 413.370387][ T5556] kernfs_fop_write_iter+0x2d0/0x410 [ 413.375638][ T5556] ? cgroup_seqfile_stop+0xc0/0xc0 [ 413.380731][ T5556] vfs_write+0xc1c/0xf40 [ 413.384972][ T5556] ? slab_free_freelist_hook+0xcc/0x1a0 [ 413.390487][ T5556] ? kernel_write+0x3c0/0x3c0 [ 413.395137][ T5556] ? do_sys_openat2+0x397/0x470 [ 413.399960][ T5556] ? __kasan_check_read+0x11/0x20 [ 413.404972][ T5556] ? __fdget_pos+0x27e/0x310 [ 413.409541][ T5556] ksys_write+0x198/0x2c0 [ 413.413927][ T5556] ? __ia32_sys_read+0x90/0x90 [ 413.418659][ T5556] ? debug_smp_processor_id+0x17/0x20 [ 413.423997][ T5556] __x64_sys_write+0x7b/0x90 [ 413.428575][ T5556] do_syscall_64+0x34/0x70 [ 413.432992][ T5556] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 413.438863][ T5556] RIP: 0033:0x7f20e245dc09 [ 413.443264][ T5556] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 413.462849][ T5556] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 413.471243][ T5556] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 413.479193][ T5556] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 413.487139][ T5556] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 413.495094][ T5556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 413.503048][ T5556] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000000 [ 413.511242][ T5556] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 413.518358][ T5556] !!!! control_disable control_disable ss name cpu [ 413.524845][ T5556] !!!! control_disable control_disable ss name memory [ 413.531743][ T5556] !!!! control_disable control_disable ss name pids [ 413.538417][ T5556] !!!! control_disable kill_css(ffff88811f7e0c00) [ 413.544971][ T5556] !!!! control_disable control_disable ss name cpu [ 413.551452][ T5556] !!!! control_disable control_disable ss name memory [ 413.558301][ T5556] !!!! control_disable control_disable ss name pids [ 413.564884][ T5556] !!!! control_disable kill_css(ffff88811f7e3400) [ 413.571433][ T5556] !!!! control_disable control_disable ss name cpu [ 413.577994][ T5556] !!!! control_disable control_disable ss name memory [ 413.584740][ T5556] !!!! control_disable control_disable ss name pids [ 413.591346][ C0] !!!! css_killed_ref_fn enqueue(ffff88811f7e0c00) [ 413.597967][ T5556] !!!! control_disable kill_css(ffff88811f7e2800) [ 413.604443][ T5556] !!!! control_disable control_disable ss name cpu [ 413.610965][ T5556] !!!! control_disable control_disable ss name memory [ 413.617727][ C0] !!!! css_killed_ref_fn enqueue(ffff88811f7e3400) [ 413.624313][ T5556] !!!! control_disable control_disable ss name cpu [ 413.630814][ T5556] !!!! control_disable control_disable ss name memory [ 413.637575][ C0] !!!! css_killed_ref_fn enqueue(ffff88811f7e2800) [ 413.644296][ T5556] !!!! control_disable control_disable ss name cpu [ 413.650795][ T5556] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 413.657554][ T5556] !!!! control_disable control_disable ss name cpu [ 413.664032][ T5556] !!!! control_disable control_disable ss name memory [ 413.670884][ T5556] !!!! control_disable control_disable ss name pids [ 413.677481][ T5556] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 413.684011][ T5534] !!!! css_killed_work_fn css_put(ffff88811f7e0c00) [ 413.690834][ T5534] !!!! css_release enqueue(ffff88811f7e0c00) [ 413.696970][ T5534] !!!! css_killed_work_fn css_put(ffff88811f7e3400) [ 413.703645][ T5534] !!!! css_release enqueue(ffff88811f7e3400) [ 413.710029][ T5534] !!!! css_killed_work_fn css_put(ffff88811f7e2800) [ 413.717018][ T5534] !!!! css_release enqueue(ffff88811f7e2800) [ 413.723088][ T5560] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 413.723118][ T5553] !!!! css_create css ffff88811d25dc00 !!!! [ 413.735700][ T5553] !!!! css_create css ffff88811d25c400 !!!! [ 413.741594][ T5553] !!!! css_create css ffff88811d25fc00 !!!! [ 413.747596][ T5553] FAULT_INJECTION: forcing a failure. [ 413.747596][ T5553] name failslab, interval 1, probability 0, space 0, times 0 [ 413.760297][ T5553] CPU: 0 PID: 5553 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 413.771985][ T5553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.782014][ T5553] Call Trace: [ 413.785283][ T5553] dump_stack_lvl+0x1e2/0x24b [ 413.789942][ T5553] ? panic+0x7d7/0x7d7 [ 413.793998][ T5553] ? bfq_pos_tree_add_move+0x43e/0x43e [ 413.799432][ T5553] ? debug_smp_processor_id+0x17/0x20 [ 413.804793][ T5553] dump_stack+0x15/0x17 [ 413.808943][ T5553] should_fail+0x3c0/0x510 [ 413.813354][ T5553] __should_failslab+0x9f/0xe0 [ 413.818099][ T5553] should_failslab+0x9/0x20 [ 413.822573][ T5553] kmem_cache_alloc+0x3f/0x300 [ 413.827309][ T5553] ? __kernfs_new_node+0xdb/0x6e0 [ 413.832305][ T5553] __kernfs_new_node+0xdb/0x6e0 [ 413.837126][ T5553] ? stack_trace_save+0x1f0/0x1f0 [ 413.842124][ T5553] ? kernfs_new_node+0x170/0x170 [ 413.847035][ T5553] ? ptr_to_hashval+0x60/0x60 [ 413.851704][ T5553] ? snprintf+0xd6/0x120 [ 413.855918][ T5553] kernfs_new_node+0x97/0x170 [ 413.860566][ T5553] __kernfs_create_file+0x4a/0x270 [ 413.865651][ T5553] cgroup_addrm_files+0xab8/0xfe0 [ 413.870663][ T5553] ? cgroup_apply_control_enable+0x734/0x12e0 [ 413.876700][ T5553] ? cgroup_apply_control+0x93/0x710 [ 413.881974][ T5553] ? cgroup_subtree_control_write+0xd19/0x1310 [ 413.888110][ T5553] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 413.894252][ T5553] ? delete_node+0x759/0x7b0 [ 413.898815][ T5553] ? __kasan_check_read+0x11/0x20 [ 413.903813][ T5553] ? delete_node+0x759/0x7b0 [ 413.908373][ T5553] ? __kasan_check_write+0x14/0x20 [ 413.913455][ T5553] ? __radix_tree_replace+0x246/0x2e0 [ 413.918805][ T5553] ? idr_get_next+0x4b0/0x4b0 [ 413.923473][ T5553] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 413.928470][ T5553] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 413.933658][ T5553] css_populate_dir+0x137/0x370 [ 413.938482][ T5553] cgroup_apply_control_enable+0x629/0x12e0 [ 413.944348][ T5553] cgroup_apply_control+0x93/0x710 [ 413.949432][ T5553] ? css_next_child+0x160/0x160 [ 413.954253][ T5553] ? stack_trace_save+0x12d/0x1f0 [ 413.959255][ T5553] ? io_schedule+0x120/0x120 [ 413.963819][ T5553] ? kernfs_fop_write_iter+0x15e/0x410 [ 413.969252][ T5553] ? __kasan_check_write+0x14/0x20 [ 413.974348][ T5553] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 413.979604][ T5553] cgroup_subtree_control_write+0xd19/0x1310 [ 413.985556][ T5553] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 413.991513][ T5553] ? __kasan_check_write+0x14/0x20 [ 413.996597][ T5553] ? _copy_from_iter+0x3fb/0xd60 [ 414.001506][ T5553] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 414.007480][ T5553] cgroup_file_write+0x28e/0x590 [ 414.012391][ T5553] ? cgroup_seqfile_stop+0xc0/0xc0 [ 414.017472][ T5553] ? mutex_lock+0xa6/0x110 [ 414.021858][ T5553] ? mutex_trylock+0xb0/0xb0 [ 414.026420][ T5553] ? __kasan_check_write+0x14/0x20 [ 414.031502][ T5553] kernfs_fop_write_iter+0x2d0/0x410 [ 414.036763][ T5553] ? cgroup_seqfile_stop+0xc0/0xc0 [ 414.041845][ T5553] vfs_write+0xc1c/0xf40 [ 414.046059][ T5553] ? slab_free_freelist_hook+0xcc/0x1a0 [ 414.051574][ T5553] ? kernel_write+0x3c0/0x3c0 [ 414.056235][ T5553] ? do_sys_openat2+0x397/0x470 [ 414.061058][ T5553] ? __kasan_check_read+0x11/0x20 [ 414.066052][ T5553] ? __fdget_pos+0x27e/0x310 [ 414.070614][ T5553] ksys_write+0x198/0x2c0 [ 414.074917][ T5553] ? __ia32_sys_read+0x90/0x90 [ 414.079655][ T5553] ? debug_smp_processor_id+0x17/0x20 [ 414.084998][ T5553] __x64_sys_write+0x7b/0x90 [ 414.089563][ T5553] do_syscall_64+0x34/0x70 [ 414.093979][ T5553] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 414.099858][ T5553] RIP: 0033:0x7f20e245dc09 [ 414.104252][ T5553] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 414.123845][ T5553] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 414.132238][ T5553] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 414.140192][ T5553] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 414.148140][ T5553] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 414.156086][ T5553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 414.164038][ T5553] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000000 [ 414.172220][ T5553] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 414.179313][ T5553] !!!! control_disable control_disable ss name cpu [ 414.185863][ T5553] !!!! control_disable control_disable ss name memory [ 414.192657][ T5553] !!!! control_disable control_disable ss name pids [ 414.199302][ T5553] !!!! control_disable kill_css(ffff88811d25dc00) [ 414.205881][ T5553] !!!! control_disable control_disable ss name cpu [ 414.212400][ T5553] !!!! control_disable control_disable ss name memory [ 414.219222][ T5553] !!!! control_disable control_disable ss name pids [ 414.225861][ T5553] !!!! control_disable kill_css(ffff88811d25c400) [ 414.232518][ T5553] !!!! control_disable control_disable ss name cpu [ 414.239074][ T5553] !!!! control_disable control_disable ss name memory [ 414.245840][ C0] !!!! css_killed_ref_fn enqueue(ffff88811d25dc00) [ 414.252428][ T5553] !!!! control_disable control_disable ss name pids [ 414.259020][ T5553] !!!! control_disable kill_css(ffff88811d25fc00) [ 414.265520][ C0] !!!! css_killed_ref_fn enqueue(ffff88811d25c400) [ 414.272118][ T5553] !!!! control_disable control_disable ss name cpu [ 414.278649][ T5553] !!!! control_disable control_disable ss name memory [ 414.285413][ T5553] !!!! control_disable control_disable ss name cpu [ 414.291888][ T5553] !!!! control_disable control_disable ss name memory [ 414.298642][ T5553] !!!! control_disable control_disable ss name cpu [ 414.305139][ T5553] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 414.311881][ T5553] !!!! control_disable control_disable ss name cpu [ 414.318412][ T5553] !!!! control_disable control_disable ss name memory [ 414.325191][ T5553] !!!! control_disable control_disable ss name pids [ 414.331819][ T5553] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 414.338441][ T5534] !!!! css_killed_work_fn css_put(ffff88811d25dc00) [ 414.345155][ C0] !!!! css_killed_ref_fn enqueue(ffff88811d25fc00) [ 414.351856][ T5534] !!!! css_release enqueue(ffff88811d25dc00) [ 414.358401][ T5534] !!!! css_killed_work_fn css_put(ffff88811d25c400) [ 414.365189][ T5534] !!!! css_release enqueue(ffff88811d25c400) [ 414.371275][ T5534] !!!! css_killed_work_fn css_put(ffff88811d25fc00) [ 414.377989][ T5534] !!!! css_release enqueue(ffff88811d25fc00) [ 414.384207][ T5557] !!!! css_create css ffff888122060800 !!!! [ 414.390333][ T5557] !!!! css_create css ffff88810d5e8000 !!!! [ 414.396438][ T5557] !!!! css_create css ffff88810d5eac00 !!!! [ 414.402365][ T5557] FAULT_INJECTION: forcing a failure. [ 414.402365][ T5557] name failslab, interval 1, probability 0, space 0, times 0 [ 414.415015][ T5557] CPU: 0 PID: 5557 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 414.426720][ T5557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.436775][ T5557] Call Trace: [ 414.440043][ T5557] dump_stack_lvl+0x1e2/0x24b [ 414.444694][ T5557] ? bfq_pos_tree_add_move+0x43e/0x43e [ 414.450127][ T5557] ? find_next_bit+0xd6/0x120 [ 414.454826][ T5557] ? cpumask_next+0x11/0x30 [ 414.459345][ T5557] dump_stack+0x15/0x17 [ 414.463506][ T5557] should_fail+0x3c0/0x510 [ 414.467902][ T5557] ? percpu_ref_init+0xd0/0x330 [ 414.472732][ T5557] __should_failslab+0x9f/0xe0 [ 414.477473][ T5557] should_failslab+0x9/0x20 [ 414.481950][ T5557] kmem_cache_alloc_trace+0x3a/0x330 [ 414.487217][ T5557] percpu_ref_init+0xd0/0x330 [ 414.491872][ T5557] ? cgroup_setup_root+0xea0/0xea0 [ 414.496977][ T5557] cgroup_apply_control_enable+0x734/0x12e0 [ 414.502847][ T5557] cgroup_apply_control+0x93/0x710 [ 414.507948][ T5557] ? css_next_child+0x160/0x160 [ 414.512787][ T5557] ? stack_trace_save+0x12d/0x1f0 [ 414.517806][ T5557] ? io_schedule+0x120/0x120 [ 414.522372][ T5557] ? kernfs_fop_write_iter+0x15e/0x410 [ 414.527807][ T5557] ? __kasan_check_write+0x14/0x20 [ 414.532895][ T5557] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 414.538158][ T5557] cgroup_subtree_control_write+0xd19/0x1310 [ 414.544113][ T5557] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 414.550076][ T5557] ? __kasan_check_write+0x14/0x20 [ 414.555166][ T5557] ? _copy_from_iter+0x3fb/0xd60 [ 414.560077][ T5557] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 414.566030][ T5557] cgroup_file_write+0x28e/0x590 [ 414.570943][ T5557] ? cgroup_seqfile_stop+0xc0/0xc0 [ 414.576049][ T5557] ? mutex_lock+0xa6/0x110 [ 414.580446][ T5557] ? mutex_trylock+0xb0/0xb0 [ 414.585366][ T5557] ? __kasan_check_write+0x14/0x20 [ 414.590458][ T5557] kernfs_fop_write_iter+0x2d0/0x410 [ 414.595736][ T5557] ? cgroup_seqfile_stop+0xc0/0xc0 [ 414.600948][ T5557] vfs_write+0xc1c/0xf40 [ 414.605168][ T5557] ? slab_free_freelist_hook+0xcc/0x1a0 [ 414.610690][ T5557] ? kernel_write+0x3c0/0x3c0 [ 414.615342][ T5557] ? do_sys_openat2+0x397/0x470 [ 414.620193][ T5557] ? __kasan_check_read+0x11/0x20 [ 414.625198][ T5557] ? __fdget_pos+0x27e/0x310 [ 414.629778][ T5557] ksys_write+0x198/0x2c0 [ 414.634124][ T5557] ? __ia32_sys_read+0x90/0x90 [ 414.638870][ T5557] ? debug_smp_processor_id+0x17/0x20 [ 414.644220][ T5557] __x64_sys_write+0x7b/0x90 [ 414.648794][ T5557] do_syscall_64+0x34/0x70 [ 414.653185][ T5557] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 414.659055][ T5557] RIP: 0033:0x7f20e245dc09 [ 414.663542][ T5557] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 414.683137][ T5557] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 414.691529][ T5557] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 414.699481][ T5557] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 414.707432][ T5557] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 414.715379][ T5557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 414.723328][ T5557] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000000 [ 414.731529][ T5557] !!!! css_create rcu_enqueue(ffff88810d5eac00) !!!! [ 414.738332][ T5557] !!!! control_disable control_disable ss name cpu [ 414.744855][ T5557] !!!! control_disable control_disable ss name memory [ 414.751802][ T5557] !!!! control_disable control_disable ss name pids [ 414.758455][ T5557] !!!! control_disable kill_css(ffff888122060800) [ 414.765049][ T5557] !!!! control_disable control_disable ss name cpu [ 414.771575][ T5557] !!!! control_disable control_disable ss name memory [ 414.778396][ T5557] !!!! control_disable control_disable ss name pids [ 414.785004][ T5557] !!!! control_disable kill_css(ffff88810d5e8000) [ 414.791541][ T5557] !!!! control_disable control_disable ss name cpu [ 414.798076][ T5557] !!!! control_disable control_disable ss name memory [ 414.804850][ T5557] !!!! control_disable control_disable ss name cpu [ 414.811365][ C1] !!!! css_killed_ref_fn enqueue(ffff888122060800) [ 414.817973][ T5557] !!!! control_disable control_disable ss name memory [ 414.824705][ T5557] !!!! control_disable control_disable ss name cpu [ 414.831228][ T5557] !!!! control_disable control_disable ss name memory [ 414.837988][ C1] !!!! css_killed_ref_fn enqueue(ffff88810d5e8000) [ 414.844572][ T5557] !!!! control_disable control_disable ss name cpu [ 414.851082][ T5557] !!!! control_disable control_disable ss name memory [ 414.857841][ T5557] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 414.864315][ T5557] !!!! control_disable control_disable ss name memory [ 414.871104][ T5557] !!!! control_disable control_disable ss name pids [ 414.877696][ T5557] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 414.884208][ T5529] !!!! css_killed_work_fn css_put(ffff888122060800) [ 414.891206][ T5529] !!!! css_release enqueue(ffff888122060800) [ 414.897341][ T5529] !!!! css_killed_work_fn css_put(ffff88810d5e8000) [ 414.904004][ T5529] !!!! css_release enqueue(ffff88810d5e8000) [ 414.910282][ T5554] !!!! css_create css ffff8881183acc00 !!!! [ 414.916344][ T5554] !!!! css_create css ffff8881183af400 !!!! [ 414.922292][ T5554] !!!! css_create css ffff88811f5b2c00 !!!! [ 414.928338][ T5554] FAULT_INJECTION: forcing a failure. [ 414.928338][ T5554] name failslab, interval 1, probability 0, space 0, times 0 [ 414.940979][ T5554] CPU: 0 PID: 5554 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 414.952661][ T5554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.962699][ T5554] Call Trace: [ 414.965967][ T5554] dump_stack_lvl+0x1e2/0x24b [ 414.970629][ T5554] ? panic+0x7d7/0x7d7 [ 414.974682][ T5554] ? bfq_pos_tree_add_move+0x43e/0x43e [ 414.980126][ T5554] ? __kasan_check_write+0x14/0x20 [ 414.985206][ T5554] ? __switch_to+0x5e4/0x1220 [ 414.989856][ T5554] dump_stack+0x15/0x17 [ 414.993982][ T5554] should_fail+0x3c0/0x510 [ 414.998373][ T5554] __should_failslab+0x9f/0xe0 [ 415.003107][ T5554] should_failslab+0x9/0x20 [ 415.007581][ T5554] kmem_cache_alloc+0x3f/0x300 [ 415.012337][ T5554] ? __kernfs_new_node+0xdb/0x6e0 [ 415.017335][ T5554] __kernfs_new_node+0xdb/0x6e0 [ 415.022157][ T5554] ? stack_trace_save+0x1f0/0x1f0 [ 415.027152][ T5554] ? kernfs_new_node+0x170/0x170 [ 415.032059][ T5554] ? ptr_to_hashval+0x60/0x60 [ 415.036889][ T5554] ? snprintf+0xd6/0x120 [ 415.041106][ T5554] kernfs_new_node+0x97/0x170 [ 415.045752][ T5554] __kernfs_create_file+0x4a/0x270 [ 415.050837][ T5554] cgroup_addrm_files+0xab8/0xfe0 [ 415.055833][ T5554] ? cgroup_apply_control_enable+0x734/0x12e0 [ 415.061871][ T5554] ? cgroup_apply_control+0x93/0x710 [ 415.067140][ T5554] ? cgroup_subtree_control_write+0xd19/0x1310 [ 415.073266][ T5554] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 415.079388][ T5554] ? delete_node+0x759/0x7b0 [ 415.083949][ T5554] ? __kasan_check_read+0x11/0x20 [ 415.088942][ T5554] ? delete_node+0x759/0x7b0 [ 415.093507][ T5554] ? __kasan_check_write+0x14/0x20 [ 415.098603][ T5554] ? __radix_tree_replace+0x246/0x2e0 [ 415.103947][ T5554] ? idr_get_next+0x4b0/0x4b0 [ 415.108610][ T5554] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 415.113605][ T5554] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 415.118780][ T5554] css_populate_dir+0x137/0x370 [ 415.123614][ T5554] cgroup_apply_control_enable+0x629/0x12e0 [ 415.129493][ T5554] cgroup_apply_control+0x93/0x710 [ 415.134584][ T5554] ? css_next_child+0x160/0x160 [ 415.139422][ T5554] ? stack_trace_save+0x12d/0x1f0 [ 415.144416][ T5554] ? io_schedule+0x120/0x120 [ 415.149064][ T5554] ? kernfs_fop_write_iter+0x15e/0x410 [ 415.154505][ T5554] ? __kasan_check_write+0x14/0x20 [ 415.159586][ T5554] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 415.164841][ T5554] cgroup_subtree_control_write+0xd19/0x1310 [ 415.170792][ T5554] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 415.176746][ T5554] ? __kasan_check_write+0x14/0x20 [ 415.181830][ T5554] ? _copy_from_iter+0x3fb/0xd60 [ 415.186738][ T5554] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 415.192699][ T5554] cgroup_file_write+0x28e/0x590 [ 415.197627][ T5554] ? cgroup_seqfile_stop+0xc0/0xc0 [ 415.202722][ T5554] ? mutex_lock+0xa6/0x110 [ 415.207110][ T5554] ? mutex_trylock+0xb0/0xb0 [ 415.211685][ T5554] ? __kasan_check_write+0x14/0x20 [ 415.216767][ T5554] kernfs_fop_write_iter+0x2d0/0x410 [ 415.222024][ T5554] ? cgroup_seqfile_stop+0xc0/0xc0 [ 415.227104][ T5554] vfs_write+0xc1c/0xf40 [ 415.231319][ T5554] ? slab_free_freelist_hook+0xcc/0x1a0 [ 415.236839][ T5554] ? kernel_write+0x3c0/0x3c0 [ 415.241492][ T5554] ? do_sys_openat2+0x397/0x470 [ 415.246320][ T5554] ? __kasan_check_read+0x11/0x20 [ 415.251335][ T5554] ? __fdget_pos+0x27e/0x310 [ 415.255904][ T5554] ksys_write+0x198/0x2c0 [ 415.260223][ T5554] ? __ia32_sys_read+0x90/0x90 [ 415.264976][ T5554] ? debug_smp_processor_id+0x17/0x20 [ 415.270325][ T5554] __x64_sys_write+0x7b/0x90 [ 415.274898][ T5554] do_syscall_64+0x34/0x70 [ 415.279294][ T5554] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 415.285176][ T5554] RIP: 0033:0x7f20e245dc09 [ 415.289586][ T5554] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 415.309184][ T5554] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 415.317593][ T5554] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 415.325549][ T5554] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 415.333539][ T5554] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 415.341530][ T5554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 415.349485][ T5554] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000000 [ 415.357585][ T5554] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 415.364629][ T5554] !!!! control_disable control_disable ss name cpu [ 415.371145][ T5554] !!!! control_disable control_disable ss name memory [ 415.377935][ T5554] !!!! control_disable control_disable ss name pids [ 415.384548][ T5554] !!!! control_disable kill_css(ffff8881183acc00) [ 415.391234][ T5554] !!!! control_disable control_disable ss name cpu [ 415.397854][ T5554] !!!! control_disable control_disable ss name memory [ 415.404675][ T5554] !!!! control_disable control_disable ss name pids [ 415.411349][ T5554] !!!! control_disable kill_css(ffff8881183af400) [ 415.417970][ T5554] !!!! control_disable control_disable ss name cpu [ 415.424502][ T5554] !!!! control_disable control_disable ss name memory [ 415.431298][ C0] !!!! css_killed_ref_fn enqueue(ffff8881183acc00) [ 415.437922][ T5554] !!!! control_disable control_disable ss name pids [ 415.444600][ T5554] !!!! control_disable kill_css(ffff88811f5b2c00) [ 415.451136][ T5554] !!!! control_disable control_disable ss name cpu [ 415.457649][ C0] !!!! css_killed_ref_fn enqueue(ffff8881183af400) [ 415.464242][ T5554] !!!! control_disable control_disable ss name memory [ 415.471271][ T5554] !!!! control_disable control_disable ss name cpu [ 415.477800][ T5554] !!!! control_disable control_disable ss name memory [ 415.484538][ T5554] !!!! control_disable control_disable ss name cpu [ 415.491034][ T5554] !!!! control_disable control_disable ss name memory [ 415.497795][ T5554] !!!! control_disable control_disable ss name cpu [ 415.504267][ T5554] !!!! control_disable control_disable ss name memory [ 415.511032][ T5554] !!!! control_disable control_disable ss name pids write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 415.517724][ T5554] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 415.517876][ T5534] !!!! css_killed_work_fn css_put(ffff8881183acc00) [ 415.531026][ T5534] !!!! css_release enqueue(ffff8881183acc00) [ 415.537163][ C0] !!!! css_killed_ref_fn enqueue(ffff88811f5b2c00) [ 415.543832][ T5534] !!!! css_killed_work_fn css_put(ffff8881183af400) [ 415.550613][ T5534] !!!! css_release enqueue(ffff8881183af400) [ 415.556902][ T5534] !!!! css_killed_work_fn css_put(ffff88811f5b2c00) [ 415.563557][ T5534] !!!! css_release enqueue(ffff88811f5b2c00) [ 415.569761][ T5563] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 415.570476][ T5560] !!!! css_create css ffff88810d5e2c00 !!!! [ 415.582267][ T5560] !!!! css_create css ffff88810d5e3800 !!!! [ 415.588218][ T5560] !!!! css_create css ffff88810d5e1400 !!!! [ 415.594155][ T5560] FAULT_INJECTION: forcing a failure. [ 415.594155][ T5560] name failslab, interval 1, probability 0, space 0, times 0 [ 415.606872][ T5560] CPU: 1 PID: 5560 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 415.618554][ T5560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.628582][ T5560] Call Trace: [ 415.631852][ T5560] dump_stack_lvl+0x1e2/0x24b [ 415.636503][ T5560] ? bfq_pos_tree_add_move+0x43e/0x43e [ 415.641936][ T5560] ? serial8250_console_write+0xae0/0xe60 [ 415.647636][ T5560] ? record_print_text+0x266/0x420 [ 415.652722][ T5560] dump_stack+0x15/0x17 [ 415.656849][ T5560] should_fail+0x3c0/0x510 [ 415.661264][ T5560] ? __kernfs_new_node+0x99/0x6e0 [ 415.666273][ T5560] __should_failslab+0x9f/0xe0 [ 415.671011][ T5560] should_failslab+0x9/0x20 [ 415.675494][ T5560] __kmalloc_track_caller+0x5f/0x350 [ 415.680763][ T5560] kstrdup_const+0x55/0x90 [ 415.685155][ T5560] __kernfs_new_node+0x99/0x6e0 [ 415.689982][ T5560] ? stack_trace_save+0x1f0/0x1f0 [ 415.694976][ T5560] ? kernfs_new_node+0x170/0x170 [ 415.699887][ T5560] ? ptr_to_hashval+0x60/0x60 [ 415.704538][ T5560] ? snprintf+0xd6/0x120 [ 415.708753][ T5560] kernfs_new_node+0x97/0x170 [ 415.713400][ T5560] __kernfs_create_file+0x4a/0x270 [ 415.718481][ T5560] cgroup_addrm_files+0xab8/0xfe0 [ 415.723481][ T5560] ? cgroup_apply_control_enable+0x734/0x12e0 [ 415.729517][ T5560] ? cgroup_apply_control+0x93/0x710 [ 415.734771][ T5560] ? cgroup_subtree_control_write+0xd19/0x1310 [ 415.740912][ T5560] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 415.747123][ T5560] ? delete_node+0x759/0x7b0 [ 415.751695][ T5560] ? __kasan_check_read+0x11/0x20 [ 415.756817][ T5560] ? delete_node+0x759/0x7b0 [ 415.761383][ T5560] ? __kasan_check_write+0x14/0x20 [ 415.766468][ T5560] ? __radix_tree_replace+0x246/0x2e0 [ 415.771818][ T5560] ? idr_get_next+0x4b0/0x4b0 [ 415.776476][ T5560] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 415.781475][ T5560] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 415.786647][ T5560] css_populate_dir+0x137/0x370 [ 415.791473][ T5560] cgroup_apply_control_enable+0x629/0x12e0 [ 415.797337][ T5560] cgroup_apply_control+0x93/0x710 [ 415.802420][ T5560] ? css_next_child+0x160/0x160 [ 415.807255][ T5560] ? stack_trace_save+0x12d/0x1f0 [ 415.812253][ T5560] ? io_schedule+0x120/0x120 [ 415.816826][ T5560] ? kernfs_fop_write_iter+0x15e/0x410 [ 415.822273][ T5560] ? __kasan_check_write+0x14/0x20 [ 415.827359][ T5560] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 415.832615][ T5560] cgroup_subtree_control_write+0xd19/0x1310 [ 415.838566][ T5560] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 415.844528][ T5560] ? __kasan_check_write+0x14/0x20 [ 415.849616][ T5560] ? _copy_from_iter+0x3fb/0xd60 [ 415.854530][ T5560] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 415.860568][ T5560] cgroup_file_write+0x28e/0x590 [ 415.865480][ T5560] ? cgroup_seqfile_stop+0xc0/0xc0 [ 415.870563][ T5560] ? mutex_lock+0xa6/0x110 [ 415.874950][ T5560] ? mutex_trylock+0xb0/0xb0 [ 415.879525][ T5560] ? __kasan_check_write+0x14/0x20 [ 415.884606][ T5560] kernfs_fop_write_iter+0x2d0/0x410 [ 415.889863][ T5560] ? cgroup_seqfile_stop+0xc0/0xc0 [ 415.894955][ T5560] vfs_write+0xc1c/0xf40 [ 415.899172][ T5560] ? slab_free_freelist_hook+0xcc/0x1a0 [ 415.904693][ T5560] ? kernel_write+0x3c0/0x3c0 [ 415.909343][ T5560] ? do_sys_openat2+0x397/0x470 [ 415.914171][ T5560] ? __kasan_check_read+0x11/0x20 [ 415.919171][ T5560] ? __fdget_pos+0x27e/0x310 [ 415.923737][ T5560] ksys_write+0x198/0x2c0 [ 415.928042][ T5560] ? __ia32_sys_read+0x90/0x90 [ 415.932784][ T5560] ? debug_smp_processor_id+0x17/0x20 [ 415.938134][ T5560] __x64_sys_write+0x7b/0x90 [ 415.942700][ T5560] do_syscall_64+0x34/0x70 [ 415.947093][ T5560] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 415.952957][ T5560] RIP: 0033:0x7f20e245dc09 [ 415.957349][ T5560] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 415.976926][ T5560] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 415.985315][ T5560] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 415.993262][ T5560] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 416.001220][ T5560] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 416.009178][ T5560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 416.017124][ T5560] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000002 [ 416.025194][ T5560] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 416.032275][ T5560] !!!! control_disable control_disable ss name cpu [ 416.038833][ T5560] !!!! control_disable control_disable ss name memory [ 416.045648][ T5560] !!!! control_disable control_disable ss name pids [ 416.052252][ T5560] !!!! control_disable kill_css(ffff88810d5e2c00) [ 416.058875][ T5560] !!!! control_disable control_disable ss name cpu [ 416.065434][ T5560] !!!! control_disable control_disable ss name memory [ 416.072211][ T5560] !!!! control_disable control_disable ss name pids [ 416.078956][ T5560] !!!! control_disable kill_css(ffff88810d5e3800) [ 416.085574][ T5560] !!!! control_disable control_disable ss name cpu [ 416.086122][ C1] !!!! css_killed_ref_fn enqueue(ffff88810d5e2c00) [ 416.092087][ T5560] !!!! control_disable control_disable ss name memory [ 416.105409][ T5560] !!!! control_disable control_disable ss name pids [ 416.111965][ T5560] !!!! control_disable kill_css(ffff88810d5e1400) [ 416.118478][ T5560] !!!! control_disable control_disable ss name cpu [ 416.124986][ C0] !!!! css_killed_ref_fn enqueue(ffff88810d5e3800) [ 416.131574][ T5560] !!!! control_disable control_disable ss name memory [ 416.138343][ T5560] !!!! control_disable control_disable ss name cpu [ 416.144825][ T5560] !!!! control_disable control_disable ss name memory [ 416.151594][ T5560] !!!! control_disable control_disable ss name cpu [ 416.158085][ T5560] !!!! control_disable control_disable ss name memory [ 416.164817][ T5560] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 416.171309][ T5560] !!!! control_disable control_disable ss name memory [ 416.178076][ T5560] !!!! control_disable control_disable ss name pids [ 416.184676][ T5560] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.191219][ T5534] !!!! css_killed_work_fn css_put(ffff88810d5e3800) [ 416.197905][ C0] !!!! css_killed_ref_fn enqueue(ffff88810d5e1400) [ 416.204573][ T5534] !!!! css_release enqueue(ffff88810d5e3800) [ 416.210774][ T5534] !!!! css_killed_work_fn css_put(ffff88810d5e1400) [ 416.217559][ T5534] !!!! css_release enqueue(ffff88810d5e1400) [ 416.223660][ T5529] !!!! css_killed_work_fn css_put(ffff88810d5e2c00) [ 416.230428][ T5529] !!!! css_release enqueue(ffff88810d5e2c00) [ 416.236648][ T5563] !!!! css_create css ffff88810ce80c00 !!!! [ 416.242599][ T5563] !!!! css_create css ffff88810ce83400 !!!! [ 416.248555][ T5563] !!!! css_create css ffff88810cf8fc00 !!!! [ 416.254491][ T5563] FAULT_INJECTION: forcing a failure. [ 416.254491][ T5563] name failslab, interval 1, probability 0, space 0, times 0 [ 416.267149][ T5563] CPU: 1 PID: 5563 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 416.278845][ T5563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.288879][ T5563] Call Trace: [ 416.292155][ T5563] dump_stack_lvl+0x1e2/0x24b [ 416.296803][ T5563] ? bfq_pos_tree_add_move+0x43e/0x43e [ 416.302234][ T5563] ? find_next_bit+0xd6/0x120 [ 416.306878][ T5563] ? cpumask_next+0x11/0x30 [ 416.311354][ T5563] dump_stack+0x15/0x17 [ 416.315488][ T5563] should_fail+0x3c0/0x510 [ 416.319887][ T5563] ? percpu_ref_init+0xd0/0x330 [ 416.324708][ T5563] __should_failslab+0x9f/0xe0 [ 416.329444][ T5563] should_failslab+0x9/0x20 [ 416.333920][ T5563] kmem_cache_alloc_trace+0x3a/0x330 [ 416.339182][ T5563] percpu_ref_init+0xd0/0x330 [ 416.343830][ T5563] ? cgroup_setup_root+0xea0/0xea0 [ 416.348915][ T5563] cgroup_apply_control_enable+0x734/0x12e0 [ 416.354826][ T5563] cgroup_apply_control+0x93/0x710 [ 416.359924][ T5563] ? css_next_child+0x160/0x160 [ 416.364749][ T5563] ? stack_trace_save+0x12d/0x1f0 [ 416.369745][ T5563] ? io_schedule+0x120/0x120 [ 416.375015][ T5563] ? kernfs_fop_write_iter+0x15e/0x410 [ 416.380447][ T5563] ? __kasan_check_write+0x14/0x20 [ 416.385529][ T5563] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 416.390787][ T5563] cgroup_subtree_control_write+0xd19/0x1310 [ 416.396740][ T5563] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 416.402718][ T5563] ? __kasan_check_write+0x14/0x20 [ 416.407801][ T5563] ? _copy_from_iter+0x3fb/0xd60 [ 416.412708][ T5563] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 416.418672][ T5563] cgroup_file_write+0x28e/0x590 [ 416.423598][ T5563] ? cgroup_seqfile_stop+0xc0/0xc0 [ 416.428680][ T5563] ? mutex_lock+0xa6/0x110 [ 416.433068][ T5563] ? mutex_trylock+0xb0/0xb0 [ 416.437643][ T5563] ? __kasan_check_write+0x14/0x20 [ 416.442743][ T5563] kernfs_fop_write_iter+0x2d0/0x410 [ 416.448025][ T5563] ? cgroup_seqfile_stop+0xc0/0xc0 [ 416.453112][ T5563] vfs_write+0xc1c/0xf40 [ 416.457329][ T5563] ? slab_free_freelist_hook+0xcc/0x1a0 [ 416.462861][ T5563] ? kernel_write+0x3c0/0x3c0 [ 416.467527][ T5563] ? do_sys_openat2+0x397/0x470 [ 416.472356][ T5563] ? __kasan_check_read+0x11/0x20 [ 416.477351][ T5563] ? __fdget_pos+0x27e/0x310 [ 416.481917][ T5563] ksys_write+0x198/0x2c0 [ 416.486220][ T5563] ? __ia32_sys_read+0x90/0x90 [ 416.490954][ T5563] ? debug_smp_processor_id+0x17/0x20 [ 416.496305][ T5563] __x64_sys_write+0x7b/0x90 [ 416.500878][ T5563] do_syscall_64+0x34/0x70 [ 416.505287][ T5563] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 416.511167][ T5563] RIP: 0033:0x7f20e245dc09 [ 416.515560][ T5563] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 416.535139][ T5563] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 416.543527][ T5563] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 416.551473][ T5563] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 416.559437][ T5563] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 416.567392][ T5563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 416.575343][ T5563] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000001 [ 416.583512][ T5563] !!!! css_create rcu_enqueue(ffff88810cf8fc00) !!!! [ 416.590253][ T5563] !!!! control_disable control_disable ss name cpu [ 416.596848][ T5563] !!!! control_disable control_disable ss name memory [ 416.603638][ T5563] !!!! control_disable control_disable ss name pids [ 416.610429][ T5563] !!!! control_disable kill_css(ffff88810ce80c00) [ 416.617088][ T5563] !!!! control_disable control_disable ss name cpu [ 416.623602][ T5563] !!!! control_disable control_disable ss name memory [ 416.630413][ T5563] !!!! control_disable control_disable ss name pids [ 416.637066][ T5563] !!!! control_disable kill_css(ffff88810ce83400) [ 416.643708][ T5563] !!!! control_disable control_disable ss name cpu [ 416.650232][ C0] !!!! css_killed_ref_fn enqueue(ffff88810ce80c00) [ 416.650258][ T5563] !!!! control_disable control_disable ss name memory [ 416.663603][ T5563] !!!! control_disable control_disable ss name cpu [ 416.670104][ T5563] !!!! control_disable control_disable ss name memory [ 416.676866][ T5563] !!!! control_disable control_disable ss name cpu [ 416.683345][ T5563] !!!! control_disable control_disable ss name memory [ 416.690114][ T5563] !!!! control_disable control_disable ss name cpu [ 416.696623][ T5563] !!!! control_disable control_disable ss name memory [ 416.703358][ T5563] !!!! control_disable control_disable ss name cpu [ 416.709857][ T5563] !!!! control_disable control_disable ss name memory [ 416.716620][ T5563] !!!! control_disable control_disable ss name pids write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 416.723199][ T5563] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.729852][ T5534] !!!! css_killed_work_fn css_put(ffff88810ce80c00) [ 416.737119][ T5534] !!!! css_release enqueue(ffff88810ce80c00) [ 416.744924][ C1] !!!! css_killed_ref_fn enqueue(ffff88810ce83400) [ 416.751557][ T5529] !!!! css_killed_work_fn css_put(ffff88810ce83400) [ 416.758243][ T5529] !!!! css_release enqueue(ffff88810ce83400) [ 416.764347][ T5561] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.764477][ T5566] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.770882][ T5558] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.783124][ T5561] !!!! css_create css ffff88810cf3d000 !!!! [ 416.789853][ T5561] !!!! css_create css ffff88810cf3c000 !!!! [ 416.795879][ T5561] !!!! css_create css ffff88810cf3ec00 !!!! [ 416.801809][ T5561] FAULT_INJECTION: forcing a failure. [ 416.801809][ T5561] name failslab, interval 1, probability 0, space 0, times 0 [ 416.814513][ T5561] CPU: 0 PID: 5561 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 416.826208][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.836247][ T5561] Call Trace: [ 416.839512][ T5561] dump_stack_lvl+0x1e2/0x24b [ 416.844164][ T5561] ? bfq_pos_tree_add_move+0x43e/0x43e [ 416.849593][ T5561] ? find_next_bit+0xd6/0x120 [ 416.854243][ T5561] ? cpumask_next+0x11/0x30 [ 416.858719][ T5561] dump_stack+0x15/0x17 [ 416.862844][ T5561] should_fail+0x3c0/0x510 [ 416.867234][ T5561] ? percpu_ref_init+0xd0/0x330 [ 416.872058][ T5561] __should_failslab+0x9f/0xe0 [ 416.876794][ T5561] should_failslab+0x9/0x20 [ 416.881269][ T5561] kmem_cache_alloc_trace+0x3a/0x330 [ 416.886525][ T5561] percpu_ref_init+0xd0/0x330 [ 416.891175][ T5561] ? cgroup_setup_root+0xea0/0xea0 [ 416.896261][ T5561] cgroup_apply_control_enable+0x734/0x12e0 [ 416.902132][ T5561] cgroup_apply_control+0x93/0x710 [ 416.907216][ T5561] ? css_next_child+0x160/0x160 [ 416.912037][ T5561] ? stack_trace_save+0x12d/0x1f0 [ 416.917050][ T5561] ? io_schedule+0x120/0x120 [ 416.921613][ T5561] ? kernfs_fop_write_iter+0x15e/0x410 [ 416.927043][ T5561] ? __kasan_check_write+0x14/0x20 [ 416.932138][ T5561] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 416.937399][ T5561] cgroup_subtree_control_write+0xd19/0x1310 [ 416.943348][ T5561] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 416.949300][ T5561] ? __kasan_check_write+0x14/0x20 [ 416.954385][ T5561] ? _copy_from_iter+0x3fb/0xd60 [ 416.959296][ T5561] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 416.965249][ T5561] cgroup_file_write+0x28e/0x590 [ 416.970160][ T5561] ? cgroup_seqfile_stop+0xc0/0xc0 [ 416.975243][ T5561] ? mutex_lock+0xa6/0x110 [ 416.979637][ T5561] ? mutex_trylock+0xb0/0xb0 [ 416.984210][ T5561] ? __kasan_check_write+0x14/0x20 [ 416.989306][ T5561] kernfs_fop_write_iter+0x2d0/0x410 [ 416.994570][ T5561] ? cgroup_seqfile_stop+0xc0/0xc0 [ 416.999656][ T5561] vfs_write+0xc1c/0xf40 [ 417.003872][ T5561] ? slab_free_freelist_hook+0xcc/0x1a0 [ 417.009403][ T5561] ? kernel_write+0x3c0/0x3c0 [ 417.014067][ T5561] ? do_sys_openat2+0x397/0x470 [ 417.018909][ T5561] ? __kasan_check_read+0x11/0x20 [ 417.023907][ T5561] ? __fdget_pos+0x27e/0x310 [ 417.028481][ T5561] ksys_write+0x198/0x2c0 [ 417.032799][ T5561] ? __ia32_sys_read+0x90/0x90 [ 417.037545][ T5561] ? debug_smp_processor_id+0x17/0x20 [ 417.042893][ T5561] __x64_sys_write+0x7b/0x90 [ 417.047458][ T5561] do_syscall_64+0x34/0x70 [ 417.051851][ T5561] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 417.057715][ T5561] RIP: 0033:0x7f20e245dc09 [ 417.062105][ T5561] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 417.081692][ T5561] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 417.090088][ T5561] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 417.098049][ T5561] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 417.105994][ T5561] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 417.113944][ T5561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 417.121910][ T5561] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000001 [ 417.130089][ T5561] !!!! css_create rcu_enqueue(ffff88810cf3ec00) !!!! [ 417.136818][ T5561] !!!! control_disable control_disable ss name cpu [ 417.143450][ T5561] !!!! control_disable control_disable ss name memory [ 417.150276][ T5561] !!!! control_disable control_disable ss name pids [ 417.156923][ T5561] !!!! control_disable kill_css(ffff88810cf3d000) [ 417.163484][ T5561] !!!! control_disable control_disable ss name cpu [ 417.170022][ T5561] !!!! control_disable control_disable ss name memory [ 417.176825][ T5561] !!!! control_disable control_disable ss name pids [ 417.183412][ T5561] !!!! control_disable kill_css(ffff88810cf3c000) [ 417.189982][ T5561] !!!! control_disable control_disable ss name cpu [ 417.196513][ C0] !!!! css_killed_ref_fn enqueue(ffff88810cf3d000) [ 417.203144][ T5561] !!!! control_disable control_disable ss name memory [ 417.209909][ T5561] !!!! control_disable control_disable ss name cpu [ 417.216405][ T5561] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 417.223149][ T5561] !!!! control_disable control_disable ss name cpu [ 417.229643][ T5561] !!!! control_disable control_disable ss name memory [ 417.236397][ T5561] !!!! control_disable control_disable ss name cpu [ 417.242867][ T5561] !!!! control_disable control_disable ss name memory [ 417.249641][ T5561] !!!! control_disable control_disable ss name cpu [ 417.256140][ T5561] !!!! control_disable control_disable ss name memory [ 417.262884][ T5561] !!!! control_disable control_disable ss name pids [ 417.269476][ T5561] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 417.276004][ T5534] !!!! css_killed_work_fn css_put(ffff88810cf3d000) [ 417.282778][ T5534] !!!! css_release enqueue(ffff88810cf3d000) [ 417.289044][ C0] !!!! css_killed_ref_fn enqueue(ffff88810cf3c000) [ 417.295817][ T5534] !!!! css_killed_work_fn css_put(ffff88810cf3c000) [ 417.302484][ T5534] !!!! css_release enqueue(ffff88810cf3c000) [ 417.308684][ T5558] !!!! css_create css ffff888118725000 !!!! [ 417.314589][ T5558] !!!! css_create css ffff888118724000 !!!! [ 417.320575][ T5558] !!!! css_create css ffff88811565c800 !!!! [ 417.326578][ T5558] FAULT_INJECTION: forcing a failure. [ 417.326578][ T5558] name failslab, interval 1, probability 0, space 0, times 0 [ 417.339264][ T5558] CPU: 1 PID: 5558 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 417.350977][ T5558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.361031][ T5558] Call Trace: [ 417.364307][ T5558] dump_stack_lvl+0x1e2/0x24b [ 417.368972][ T5558] ? bfq_pos_tree_add_move+0x43e/0x43e [ 417.374414][ T5558] ? find_next_bit+0xd6/0x120 [ 417.379069][ T5558] ? cpumask_next+0x11/0x30 [ 417.383651][ T5558] dump_stack+0x15/0x17 [ 417.387870][ T5558] should_fail+0x3c0/0x510 [ 417.392261][ T5558] ? percpu_ref_init+0xd0/0x330 [ 417.397090][ T5558] __should_failslab+0x9f/0xe0 [ 417.401830][ T5558] should_failslab+0x9/0x20 [ 417.406309][ T5558] kmem_cache_alloc_trace+0x3a/0x330 [ 417.411568][ T5558] percpu_ref_init+0xd0/0x330 [ 417.416250][ T5558] ? cgroup_setup_root+0xea0/0xea0 [ 417.421337][ T5558] cgroup_apply_control_enable+0x734/0x12e0 [ 417.427227][ T5558] cgroup_apply_control+0x93/0x710 [ 417.432311][ T5558] ? css_next_child+0x160/0x160 [ 417.437136][ T5558] ? stack_trace_save+0x12d/0x1f0 [ 417.442135][ T5558] ? io_schedule+0x120/0x120 [ 417.446798][ T5558] ? kernfs_fop_write_iter+0x15e/0x410 [ 417.452244][ T5558] ? __kasan_check_write+0x14/0x20 [ 417.457328][ T5558] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 417.462599][ T5558] cgroup_subtree_control_write+0xd19/0x1310 [ 417.468609][ T5558] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 417.474567][ T5558] ? __kasan_check_write+0x14/0x20 [ 417.479665][ T5558] ? _copy_from_iter+0x3fb/0xd60 [ 417.484577][ T5558] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 417.490539][ T5558] cgroup_file_write+0x28e/0x590 [ 417.495548][ T5558] ? cgroup_seqfile_stop+0xc0/0xc0 [ 417.500652][ T5558] ? mutex_lock+0xa6/0x110 [ 417.505050][ T5558] ? mutex_trylock+0xb0/0xb0 [ 417.509619][ T5558] ? __kasan_check_write+0x14/0x20 [ 417.514715][ T5558] kernfs_fop_write_iter+0x2d0/0x410 [ 417.519978][ T5558] ? cgroup_seqfile_stop+0xc0/0xc0 [ 417.525087][ T5558] vfs_write+0xc1c/0xf40 [ 417.529306][ T5558] ? slab_free_freelist_hook+0xcc/0x1a0 [ 417.534937][ T5558] ? kernel_write+0x3c0/0x3c0 [ 417.539601][ T5558] ? do_sys_openat2+0x397/0x470 [ 417.544435][ T5558] ? __kasan_check_read+0x11/0x20 [ 417.549438][ T5558] ? __fdget_pos+0x27e/0x310 [ 417.554009][ T5558] ksys_write+0x198/0x2c0 [ 417.558340][ T5558] ? __ia32_sys_read+0x90/0x90 [ 417.563085][ T5558] ? debug_smp_processor_id+0x17/0x20 [ 417.568427][ T5558] __x64_sys_write+0x7b/0x90 [ 417.573011][ T5558] do_syscall_64+0x34/0x70 [ 417.577419][ T5558] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 417.583299][ T5558] RIP: 0033:0x7f20e245dc09 [ 417.587690][ T5558] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 417.607452][ T5558] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 417.615952][ T5558] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 417.623897][ T5558] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 417.631841][ T5558] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 417.639788][ T5558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 417.647748][ T5558] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000000 [ 417.655906][ T5558] !!!! css_create rcu_enqueue(ffff88811565c800) !!!! [ 417.662673][ T5558] !!!! control_disable control_disable ss name cpu [ 417.669234][ T5558] !!!! control_disable control_disable ss name memory [ 417.676051][ T5558] !!!! control_disable control_disable ss name pids [ 417.682705][ T5558] !!!! control_disable kill_css(ffff888118725000) [ 417.689360][ T5558] !!!! control_disable control_disable ss name cpu [ 417.695932][ T5558] !!!! control_disable control_disable ss name memory [ 417.702725][ T5558] !!!! control_disable control_disable ss name pids [ 417.709372][ T5558] !!!! control_disable kill_css(ffff888118724000) [ 417.715966][ T5558] !!!! control_disable control_disable ss name cpu [ 417.722483][ T5558] !!!! control_disable control_disable ss name memory [ 417.729282][ C1] !!!! css_killed_ref_fn enqueue(ffff888118725000) [ 417.735933][ T5558] !!!! control_disable control_disable ss name cpu [ 417.742409][ T5558] !!!! control_disable control_disable ss name memory [ 417.749196][ T5558] !!!! control_disable control_disable ss name cpu [ 417.755700][ C1] !!!! css_killed_ref_fn enqueue(ffff888118724000) [ 417.762286][ T5558] !!!! control_disable control_disable ss name memory [ 417.769048][ T5558] !!!! control_disable control_disable ss name cpu [ 417.775555][ T5558] !!!! control_disable control_disable ss name memory [ 417.782310][ T5558] !!!! control_disable control_disable ss name cpu [ 417.789084][ T5558] !!!! control_disable control_disable ss name memory [ 417.795838][ T5558] !!!! control_disable control_disable ss name pids [ 417.802410][ T5558] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 417.808944][ T5529] !!!! css_killed_work_fn css_put(ffff888118725000) [ 417.815625][ T5529] !!!! css_release enqueue(ffff888118725000) [ 417.821715][ T5529] !!!! css_killed_work_fn css_put(ffff888118724000) [ 417.828476][ T5529] !!!! css_release enqueue(ffff888118724000) [ 417.834562][ T5566] !!!! css_create css ffff888110797400 !!!! [ 417.840647][ T5566] !!!! css_create css ffff888110794800 !!!! [ 417.846701][ T5566] !!!! css_create css ffff888110796400 !!!! [ 417.852636][ T5566] FAULT_INJECTION: forcing a failure. [ 417.852636][ T5566] name failslab, interval 1, probability 0, space 0, times 0 [ 417.865282][ T5566] CPU: 0 PID: 5566 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 417.876976][ T5566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.887017][ T5566] Call Trace: [ 417.890310][ T5566] dump_stack_lvl+0x1e2/0x24b [ 417.894967][ T5566] ? bfq_pos_tree_add_move+0x43e/0x43e [ 417.900406][ T5566] dump_stack+0x15/0x17 [ 417.904536][ T5566] should_fail+0x3c0/0x510 [ 417.908928][ T5566] ? __kernfs_new_node+0x99/0x6e0 [ 417.913926][ T5566] __should_failslab+0x9f/0xe0 [ 417.918664][ T5566] should_failslab+0x9/0x20 [ 417.923156][ T5566] __kmalloc_track_caller+0x5f/0x350 [ 417.928415][ T5566] kstrdup_const+0x55/0x90 [ 417.932802][ T5566] __kernfs_new_node+0x99/0x6e0 [ 417.937622][ T5566] ? stack_trace_save+0x1f0/0x1f0 [ 417.942622][ T5566] ? kernfs_new_node+0x170/0x170 [ 417.947536][ T5566] ? ptr_to_hashval+0x60/0x60 [ 417.952183][ T5566] ? snprintf+0xd6/0x120 [ 417.956397][ T5566] kernfs_new_node+0x97/0x170 [ 417.961043][ T5566] __kernfs_create_file+0x4a/0x270 [ 417.966121][ T5566] cgroup_addrm_files+0xab8/0xfe0 [ 417.971114][ T5566] ? cgroup_apply_control_enable+0x734/0x12e0 [ 417.977147][ T5566] ? cgroup_apply_control+0x93/0x710 [ 417.982401][ T5566] ? cgroup_subtree_control_write+0xd19/0x1310 [ 417.988523][ T5566] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 417.994647][ T5566] ? delete_node+0x759/0x7b0 [ 417.999220][ T5566] ? __kasan_check_read+0x11/0x20 [ 418.004214][ T5566] ? delete_node+0x759/0x7b0 [ 418.008775][ T5566] ? __kasan_check_write+0x14/0x20 [ 418.013854][ T5566] ? __radix_tree_replace+0x246/0x2e0 [ 418.019200][ T5566] ? idr_get_next+0x4b0/0x4b0 [ 418.023849][ T5566] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 418.028844][ T5566] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 418.034010][ T5566] css_populate_dir+0x137/0x370 [ 418.038832][ T5566] cgroup_apply_control_enable+0x629/0x12e0 [ 418.044695][ T5566] cgroup_apply_control+0x93/0x710 [ 418.049781][ T5566] ? css_next_child+0x160/0x160 [ 418.054691][ T5566] ? stack_trace_save+0x12d/0x1f0 [ 418.059700][ T5566] ? io_schedule+0x120/0x120 [ 418.064261][ T5566] ? kernfs_fop_write_iter+0x15e/0x410 [ 418.069693][ T5566] ? __kasan_check_write+0x14/0x20 [ 418.074774][ T5566] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 418.080028][ T5566] cgroup_subtree_control_write+0xd19/0x1310 [ 418.085976][ T5566] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 418.091926][ T5566] ? __kasan_check_write+0x14/0x20 [ 418.097008][ T5566] ? _copy_from_iter+0x3fb/0xd60 [ 418.101937][ T5566] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 418.107886][ T5566] cgroup_file_write+0x28e/0x590 [ 418.113140][ T5566] ? cgroup_seqfile_stop+0xc0/0xc0 [ 418.118219][ T5566] ? mutex_lock+0xa6/0x110 [ 418.122609][ T5566] ? mutex_trylock+0xb0/0xb0 [ 418.127180][ T5566] ? __kasan_check_write+0x14/0x20 [ 418.132272][ T5566] kernfs_fop_write_iter+0x2d0/0x410 [ 418.137532][ T5566] ? cgroup_seqfile_stop+0xc0/0xc0 [ 418.142622][ T5566] vfs_write+0xc1c/0xf40 [ 418.146835][ T5566] ? slab_free_freelist_hook+0xcc/0x1a0 [ 418.152356][ T5566] ? kernel_write+0x3c0/0x3c0 [ 418.157020][ T5566] ? do_sys_openat2+0x397/0x470 [ 418.161843][ T5566] ? __kasan_check_read+0x11/0x20 [ 418.166840][ T5566] ? __fdget_pos+0x27e/0x310 [ 418.171402][ T5566] ksys_write+0x198/0x2c0 [ 418.175703][ T5566] ? __ia32_sys_read+0x90/0x90 [ 418.180438][ T5566] ? debug_smp_processor_id+0x17/0x20 [ 418.185782][ T5566] __x64_sys_write+0x7b/0x90 [ 418.190355][ T5566] do_syscall_64+0x34/0x70 [ 418.194753][ T5566] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 418.200625][ T5566] RIP: 0033:0x7f20e245dc09 [ 418.205013][ T5566] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 418.224602][ T5566] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 418.233081][ T5566] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 418.241029][ T5566] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 418.248975][ T5566] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 418.256920][ T5566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 418.264867][ T5566] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000002 [ 418.273069][ T5566] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 418.280180][ T5566] !!!! control_disable control_disable ss name cpu [ 418.286804][ T5566] !!!! control_disable control_disable ss name memory [ 418.293625][ T5566] !!!! control_disable control_disable ss name pids [ 418.300276][ T5566] !!!! control_disable kill_css(ffff888110797400) [ 418.306871][ T5566] !!!! control_disable control_disable ss name cpu [ 418.313401][ T5566] !!!! control_disable control_disable ss name memory [ 418.320247][ T5566] !!!! control_disable control_disable ss name pids [ 418.326878][ T5566] !!!! control_disable kill_css(ffff888110794800) [ 418.333463][ T5566] !!!! control_disable control_disable ss name cpu [ 418.340012][ T5566] !!!! control_disable control_disable ss name memory [ 418.344918][ C0] !!!! css_killed_ref_fn enqueue(ffff888110797400) [ 418.346779][ T5566] !!!! control_disable control_disable ss name pids [ 418.359909][ T5566] !!!! control_disable kill_css(ffff888110796400) [ 418.366413][ T5566] !!!! control_disable control_disable ss name cpu [ 418.372900][ T5566] !!!! control_disable control_disable ss name memory [ 418.379659][ T5566] !!!! control_disable control_disable ss name cpu [ 418.386151][ T5566] !!!! control_disable control_disable ss name memory [ 418.392889][ T5566] !!!! control_disable control_disable ss name cpu [ 418.399399][ T5566] !!!! control_disable control_disable ss name memory [ 418.406161][ T5566] !!!! control_disable control_disable ss name cpu [ 418.412635][ T5566] !!!! control_disable control_disable ss name memory [ 418.419400][ T5566] !!!! control_disable control_disable ss name pids write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 418.425994][ T5566] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 418.432547][ T5534] !!!! css_killed_work_fn css_put(ffff888110797400) [ 418.439810][ T5534] !!!! css_release enqueue(ffff888110797400) [ 418.444950][ C1] !!!! css_killed_ref_fn enqueue(ffff888110794800) [ 418.452473][ C1] !!!! css_killed_ref_fn enqueue(ffff888110796400) [ 418.459130][ T5529] !!!! css_killed_work_fn css_put(ffff888110794800) [ 418.465808][ T5529] !!!! css_release enqueue(ffff888110794800) [ 418.471870][ T5529] !!!! css_killed_work_fn css_put(ffff888110796400) [ 418.478706][ T5529] !!!! css_release enqueue(ffff888110796400) [ 418.484795][ T5562] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 418.484833][ T5564] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 418.491606][ T5562] !!!! css_create css ffff88811f646000 !!!! [ 418.503791][ T5562] !!!! css_create css ffff88811f645000 !!!! [ 418.509729][ T5562] !!!! css_create css ffff88811f644000 !!!! [ 418.515748][ T5562] FAULT_INJECTION: forcing a failure. [ 418.515748][ T5562] name failslab, interval 1, probability 0, space 0, times 0 [ 418.528434][ T5562] CPU: 0 PID: 5562 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 418.540201][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.550259][ T5562] Call Trace: [ 418.553560][ T5562] dump_stack_lvl+0x1e2/0x24b [ 418.558213][ T5562] ? bfq_pos_tree_add_move+0x43e/0x43e [ 418.563645][ T5562] dump_stack+0x15/0x17 [ 418.567771][ T5562] should_fail+0x3c0/0x510 [ 418.572162][ T5562] ? __kernfs_new_node+0x99/0x6e0 [ 418.577164][ T5562] __should_failslab+0x9f/0xe0 [ 418.581903][ T5562] should_failslab+0x9/0x20 [ 418.586397][ T5562] __kmalloc_track_caller+0x5f/0x350 [ 418.591659][ T5562] kstrdup_const+0x55/0x90 [ 418.596052][ T5562] __kernfs_new_node+0x99/0x6e0 [ 418.600889][ T5562] ? stack_trace_save+0x1f0/0x1f0 [ 418.605887][ T5562] ? kernfs_new_node+0x170/0x170 [ 418.610812][ T5562] ? ptr_to_hashval+0x60/0x60 [ 418.615462][ T5562] ? snprintf+0xd6/0x120 [ 418.619678][ T5562] kernfs_new_node+0x97/0x170 [ 418.624340][ T5562] __kernfs_create_file+0x4a/0x270 [ 418.629435][ T5562] cgroup_addrm_files+0xab8/0xfe0 [ 418.634432][ T5562] ? cgroup_apply_control_enable+0x734/0x12e0 [ 418.640470][ T5562] ? cgroup_apply_control+0x93/0x710 [ 418.645728][ T5562] ? cgroup_subtree_control_write+0xd19/0x1310 [ 418.651853][ T5562] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 418.657978][ T5562] ? delete_node+0x759/0x7b0 [ 418.662543][ T5562] ? __kasan_check_read+0x11/0x20 [ 418.667545][ T5562] ? delete_node+0x759/0x7b0 [ 418.672109][ T5562] ? __kasan_check_write+0x14/0x20 [ 418.677195][ T5562] ? __radix_tree_replace+0x246/0x2e0 [ 418.682538][ T5562] ? idr_get_next+0x4b0/0x4b0 [ 418.687185][ T5562] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 418.692187][ T5562] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 418.697359][ T5562] css_populate_dir+0x137/0x370 [ 418.702184][ T5562] cgroup_apply_control_enable+0x629/0x12e0 [ 418.708059][ T5562] cgroup_apply_control+0x93/0x710 [ 418.713153][ T5562] ? css_next_child+0x160/0x160 [ 418.717974][ T5562] ? stack_trace_save+0x12d/0x1f0 [ 418.722969][ T5562] ? io_schedule+0x120/0x120 [ 418.727533][ T5562] ? kernfs_fop_write_iter+0x15e/0x410 [ 418.732961][ T5562] ? __kasan_check_write+0x14/0x20 [ 418.738052][ T5562] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 418.743339][ T5562] cgroup_subtree_control_write+0xd19/0x1310 [ 418.749321][ T5562] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 418.755277][ T5562] ? __kasan_check_write+0x14/0x20 [ 418.760365][ T5562] ? _copy_from_iter+0x3fb/0xd60 [ 418.765367][ T5562] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 418.771328][ T5562] cgroup_file_write+0x28e/0x590 [ 418.776238][ T5562] ? cgroup_seqfile_stop+0xc0/0xc0 [ 418.781435][ T5562] ? mutex_lock+0xa6/0x110 [ 418.785831][ T5562] ? mutex_trylock+0xb0/0xb0 [ 418.790403][ T5562] ? __kasan_check_write+0x14/0x20 [ 418.795494][ T5562] kernfs_fop_write_iter+0x2d0/0x410 [ 418.800762][ T5562] ? cgroup_seqfile_stop+0xc0/0xc0 [ 418.805853][ T5562] vfs_write+0xc1c/0xf40 [ 418.810081][ T5562] ? slab_free_freelist_hook+0xcc/0x1a0 [ 418.815606][ T5562] ? kernel_write+0x3c0/0x3c0 [ 418.820268][ T5562] ? do_sys_openat2+0x397/0x470 [ 418.825105][ T5562] ? __kasan_check_read+0x11/0x20 [ 418.830106][ T5562] ? __fdget_pos+0x27e/0x310 [ 418.834676][ T5562] ksys_write+0x198/0x2c0 [ 418.839002][ T5562] ? __ia32_sys_read+0x90/0x90 [ 418.843756][ T5562] ? debug_smp_processor_id+0x17/0x20 [ 418.849105][ T5562] __x64_sys_write+0x7b/0x90 [ 418.853673][ T5562] do_syscall_64+0x34/0x70 [ 418.858068][ T5562] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 418.863934][ T5562] RIP: 0033:0x7f20e245dc09 [ 418.868332][ T5562] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 418.887996][ T5562] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 418.896384][ T5562] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 418.904330][ T5562] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 418.912280][ T5562] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 418.920228][ T5562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 418.928175][ T5562] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000001 [ 418.936252][ T5562] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 418.943378][ T5562] !!!! control_disable control_disable ss name cpu [ 418.949950][ T5562] !!!! control_disable control_disable ss name memory [ 418.956775][ T5562] !!!! control_disable control_disable ss name pids [ 418.963380][ T5562] !!!! control_disable kill_css(ffff88811f646000) [ 418.969991][ T5562] !!!! control_disable control_disable ss name cpu [ 418.976554][ T5562] !!!! control_disable control_disable ss name memory [ 418.983325][ T5562] !!!! control_disable control_disable ss name pids [ 418.990073][ T5562] !!!! control_disable kill_css(ffff88811f645000) [ 418.996707][ T5562] !!!! control_disable control_disable ss name cpu [ 418.997298][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f646000) [ 419.003215][ T5562] !!!! control_disable control_disable ss name memory [ 419.016560][ T5562] !!!! control_disable control_disable ss name pids [ 419.023117][ T5562] !!!! control_disable kill_css(ffff88811f644000) [ 419.029664][ T5562] !!!! control_disable control_disable ss name cpu [ 419.029915][ C0] !!!! css_killed_ref_fn enqueue(ffff88811f645000) [ 419.036268][ T5562] !!!! control_disable control_disable ss name memory [ 419.049551][ T5562] !!!! control_disable control_disable ss name cpu [ 419.056058][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f644000) [ 419.062657][ T5562] !!!! control_disable control_disable ss name memory [ 419.069409][ T5562] !!!! control_disable control_disable ss name cpu [ 419.075903][ T5562] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 419.082632][ T5562] !!!! control_disable control_disable ss name cpu [ 419.089124][ T5562] !!!! control_disable control_disable ss name memory [ 419.095873][ T5562] !!!! control_disable control_disable ss name pids [ 419.102460][ T5562] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 419.108992][ T5529] !!!! css_killed_work_fn css_put(ffff88811f646000) [ 419.115866][ T5529] !!!! css_release enqueue(ffff88811f646000) [ 419.121940][ T5529] !!!! css_killed_work_fn css_put(ffff88811f644000) [ 419.128725][ T5529] !!!! css_release enqueue(ffff88811f644000) [ 419.134802][ T5534] !!!! css_killed_work_fn css_put(ffff88811f645000) [ 419.141552][ T5534] !!!! css_release enqueue(ffff88811f645000) [ 419.147706][ T5565] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 419.147770][ T5564] !!!! css_create css ffff88811eec3000 !!!! [ 419.160130][ T5564] !!!! css_create css ffff88811eec1c00 !!!! [ 419.166110][ T5564] !!!! css_create css ffff88811eec1000 !!!! [ 419.172004][ T5564] FAULT_INJECTION: forcing a failure. [ 419.172004][ T5564] name failslab, interval 1, probability 0, space 0, times 0 [ 419.184584][ T5564] CPU: 1 PID: 5564 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 419.196280][ T5564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.206307][ T5564] Call Trace: [ 419.209579][ T5564] dump_stack_lvl+0x1e2/0x24b [ 419.214245][ T5564] ? bfq_pos_tree_add_move+0x43e/0x43e [ 419.219679][ T5564] ? serial8250_console_write+0xae0/0xe60 [ 419.225375][ T5564] ? record_print_text+0x266/0x420 [ 419.230469][ T5564] dump_stack+0x15/0x17 [ 419.234601][ T5564] should_fail+0x3c0/0x510 [ 419.238992][ T5564] ? __kernfs_new_node+0x99/0x6e0 [ 419.243987][ T5564] __should_failslab+0x9f/0xe0 [ 419.248723][ T5564] should_failslab+0x9/0x20 [ 419.253198][ T5564] __kmalloc_track_caller+0x5f/0x350 [ 419.258463][ T5564] kstrdup_const+0x55/0x90 [ 419.262852][ T5564] __kernfs_new_node+0x99/0x6e0 [ 419.267680][ T5564] ? stack_trace_save+0x1f0/0x1f0 [ 419.272677][ T5564] ? kernfs_new_node+0x170/0x170 [ 419.277586][ T5564] ? ptr_to_hashval+0x60/0x60 [ 419.282251][ T5564] ? snprintf+0xd6/0x120 [ 419.286470][ T5564] kernfs_new_node+0x97/0x170 [ 419.291119][ T5564] __kernfs_create_file+0x4a/0x270 [ 419.296205][ T5564] cgroup_addrm_files+0xab8/0xfe0 [ 419.301222][ T5564] ? cgroup_apply_control_enable+0x734/0x12e0 [ 419.307292][ T5564] ? cgroup_apply_control+0x93/0x710 [ 419.312551][ T5564] ? cgroup_subtree_control_write+0xd19/0x1310 [ 419.318692][ T5564] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 419.324927][ T5564] ? delete_node+0x759/0x7b0 [ 419.329500][ T5564] ? __kasan_check_read+0x11/0x20 [ 419.334498][ T5564] ? delete_node+0x759/0x7b0 [ 419.339061][ T5564] ? __kasan_check_write+0x14/0x20 [ 419.344142][ T5564] ? __radix_tree_replace+0x246/0x2e0 [ 419.349490][ T5564] ? idr_get_next+0x4b0/0x4b0 [ 419.354150][ T5564] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 419.359144][ T5564] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 419.364323][ T5564] css_populate_dir+0x137/0x370 [ 419.369155][ T5564] cgroup_apply_control_enable+0x629/0x12e0 [ 419.375046][ T5564] cgroup_apply_control+0x93/0x710 [ 419.380132][ T5564] ? css_next_child+0x160/0x160 [ 419.384955][ T5564] ? stack_trace_save+0x12d/0x1f0 [ 419.389958][ T5564] ? io_schedule+0x120/0x120 [ 419.394526][ T5564] ? kernfs_fop_write_iter+0x15e/0x410 [ 419.399956][ T5564] ? __kasan_check_write+0x14/0x20 [ 419.405036][ T5564] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 419.410291][ T5564] cgroup_subtree_control_write+0xd19/0x1310 [ 419.416242][ T5564] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 419.422192][ T5564] ? __kasan_check_write+0x14/0x20 [ 419.427275][ T5564] ? _copy_from_iter+0x3fb/0xd60 [ 419.432184][ T5564] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 419.438133][ T5564] cgroup_file_write+0x28e/0x590 [ 419.443041][ T5564] ? cgroup_seqfile_stop+0xc0/0xc0 [ 419.448133][ T5564] ? mutex_lock+0xa6/0x110 [ 419.452529][ T5564] ? mutex_trylock+0xb0/0xb0 [ 419.457099][ T5564] ? __kasan_check_write+0x14/0x20 [ 419.462186][ T5564] kernfs_fop_write_iter+0x2d0/0x410 [ 419.467465][ T5564] ? cgroup_seqfile_stop+0xc0/0xc0 [ 419.472569][ T5564] vfs_write+0xc1c/0xf40 [ 419.476796][ T5564] ? slab_free_freelist_hook+0xcc/0x1a0 [ 419.482322][ T5564] ? kernel_write+0x3c0/0x3c0 [ 419.486978][ T5564] ? do_sys_openat2+0x397/0x470 [ 419.491812][ T5564] ? __kasan_check_read+0x11/0x20 [ 419.496815][ T5564] ? __fdget_pos+0x27e/0x310 [ 419.501384][ T5564] ksys_write+0x198/0x2c0 [ 419.505696][ T5564] ? __ia32_sys_read+0x90/0x90 [ 419.510455][ T5564] ? debug_smp_processor_id+0x17/0x20 [ 419.515801][ T5564] __x64_sys_write+0x7b/0x90 [ 419.520371][ T5564] do_syscall_64+0x34/0x70 [ 419.524767][ T5564] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 419.530635][ T5564] RIP: 0033:0x7f20e245dc09 [ 419.535030][ T5564] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 419.554607][ T5564] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 419.562997][ T5564] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 419.570946][ T5564] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 419.578905][ T5564] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 419.586872][ T5564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 419.594823][ T5564] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000001 [ 419.602944][ T5564] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 419.610062][ T5564] !!!! control_disable control_disable ss name cpu [ 419.616622][ T5564] !!!! control_disable control_disable ss name memory [ 419.623413][ T5564] !!!! control_disable control_disable ss name pids [ 419.630048][ T5564] !!!! control_disable kill_css(ffff88811eec3000) [ 419.636612][ T5564] !!!! control_disable control_disable ss name cpu [ 419.643124][ T5564] !!!! control_disable control_disable ss name memory [ 419.649937][ T5564] !!!! control_disable control_disable ss name pids [ 419.656567][ T5564] !!!! control_disable kill_css(ffff88811eec1c00) [ 419.663146][ T5564] !!!! control_disable control_disable ss name cpu [ 419.669674][ C1] !!!! css_killed_ref_fn enqueue(ffff88811eec3000) [ 419.676283][ T5564] !!!! control_disable control_disable ss name memory [ 419.683012][ T5564] !!!! control_disable control_disable ss name pids [ 419.689614][ T5564] !!!! control_disable kill_css(ffff88811eec1000) [ 419.696114][ C1] !!!! css_killed_ref_fn enqueue(ffff88811eec1c00) [ 419.702701][ T5564] !!!! control_disable control_disable ss name cpu [ 419.709216][ T5564] !!!! control_disable control_disable ss name memory [ 419.715973][ T5564] !!!! control_disable control_disable ss name cpu [ 419.722442][ T5564] !!!! control_disable control_disable ss name memory [ 419.729201][ T5564] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 419.735690][ T5564] !!!! control_disable control_disable ss name memory [ 419.742419][ T5564] !!!! control_disable control_disable ss name cpu [ 419.748914][ T5564] !!!! control_disable control_disable ss name memory [ 419.755677][ T5564] !!!! control_disable control_disable ss name pids [ 419.762255][ T5564] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 419.768806][ T5529] !!!! css_killed_work_fn css_put(ffff88811eec3000) [ 419.775742][ T5529] !!!! css_release enqueue(ffff88811eec3000) [ 419.781870][ T5529] !!!! css_killed_work_fn css_put(ffff88811eec1c00) [ 419.788557][ C1] !!!! css_killed_ref_fn enqueue(ffff88811eec1000) [ 419.795148][ T5529] !!!! css_release enqueue(ffff88811eec1c00) [ 419.801390][ T5529] !!!! css_killed_work_fn css_put(ffff88811eec1000) [ 419.808228][ T5529] !!!! css_release enqueue(ffff88811eec1000) [ 419.814300][ T5565] !!!! css_create css ffff88811eec2c00 !!!! [ 419.820322][ T5565] !!!! css_create css ffff88811eec2800 !!!! [ 419.826384][ T5565] !!!! css_create css ffff88811d117800 !!!! [ 419.832263][ T5565] FAULT_INJECTION: forcing a failure. [ 419.832263][ T5565] name failslab, interval 1, probability 0, space 0, times 0 [ 419.844956][ T5565] CPU: 0 PID: 5565 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 419.856667][ T5565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.866693][ T5565] Call Trace: [ 419.869957][ T5565] dump_stack_lvl+0x1e2/0x24b [ 419.874609][ T5565] ? bfq_pos_tree_add_move+0x43e/0x43e [ 419.880040][ T5565] ? find_next_bit+0xd6/0x120 [ 419.884696][ T5565] ? cpumask_next+0x11/0x30 [ 419.889179][ T5565] dump_stack+0x15/0x17 [ 419.893308][ T5565] should_fail+0x3c0/0x510 [ 419.897696][ T5565] ? percpu_ref_init+0xd0/0x330 [ 419.902526][ T5565] __should_failslab+0x9f/0xe0 [ 419.907263][ T5565] should_failslab+0x9/0x20 [ 419.911738][ T5565] kmem_cache_alloc_trace+0x3a/0x330 [ 419.917007][ T5565] percpu_ref_init+0xd0/0x330 [ 419.921671][ T5565] ? cgroup_setup_root+0xea0/0xea0 [ 419.926760][ T5565] cgroup_apply_control_enable+0x734/0x12e0 [ 419.932628][ T5565] cgroup_apply_control+0x93/0x710 [ 419.937713][ T5565] ? css_next_child+0x160/0x160 [ 419.942536][ T5565] ? stack_trace_save+0x12d/0x1f0 [ 419.947540][ T5565] ? io_schedule+0x120/0x120 [ 419.952104][ T5565] ? kernfs_fop_write_iter+0x15e/0x410 [ 419.957535][ T5565] ? __kasan_check_write+0x14/0x20 [ 419.962617][ T5565] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 419.967880][ T5565] cgroup_subtree_control_write+0xd19/0x1310 [ 419.973831][ T5565] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 419.979779][ T5565] ? __kasan_check_write+0x14/0x20 [ 419.984860][ T5565] ? _copy_from_iter+0x3fb/0xd60 [ 419.989766][ T5565] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 419.995716][ T5565] cgroup_file_write+0x28e/0x590 [ 420.000624][ T5565] ? cgroup_seqfile_stop+0xc0/0xc0 [ 420.005718][ T5565] ? mutex_lock+0xa6/0x110 [ 420.010114][ T5565] ? mutex_trylock+0xb0/0xb0 [ 420.014686][ T5565] ? __kasan_check_write+0x14/0x20 [ 420.019826][ T5565] kernfs_fop_write_iter+0x2d0/0x410 [ 420.025086][ T5565] ? cgroup_seqfile_stop+0xc0/0xc0 [ 420.030181][ T5565] vfs_write+0xc1c/0xf40 [ 420.034405][ T5565] ? slab_free_freelist_hook+0xcc/0x1a0 [ 420.039924][ T5565] ? kernel_write+0x3c0/0x3c0 [ 420.044583][ T5565] ? do_sys_openat2+0x397/0x470 [ 420.049410][ T5565] ? __kasan_check_read+0x11/0x20 [ 420.054409][ T5565] ? __fdget_pos+0x27e/0x310 [ 420.058980][ T5565] ksys_write+0x198/0x2c0 [ 420.063279][ T5565] ? __ia32_sys_read+0x90/0x90 [ 420.068015][ T5565] ? debug_smp_processor_id+0x17/0x20 [ 420.073360][ T5565] __x64_sys_write+0x7b/0x90 [ 420.077936][ T5565] do_syscall_64+0x34/0x70 [ 420.082327][ T5565] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 420.088189][ T5565] RIP: 0033:0x7f20e245dc09 [ 420.092595][ T5565] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 420.112174][ T5565] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 420.120556][ T5565] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 420.128499][ T5565] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 420.136444][ T5565] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 420.144390][ T5565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 420.152348][ T5565] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000003 [ 420.160600][ T5565] !!!! css_create rcu_enqueue(ffff88811d117800) !!!! [ 420.167376][ T5565] !!!! control_disable control_disable ss name cpu [ 420.173935][ T5565] !!!! control_disable control_disable ss name memory [ 420.180775][ T5565] !!!! control_disable control_disable ss name pids [ 420.187462][ T5565] !!!! control_disable kill_css(ffff88811eec2c00) [ 420.194017][ T5565] !!!! control_disable control_disable ss name cpu [ 420.200549][ T5565] !!!! control_disable control_disable ss name memory [ 420.207410][ T5565] !!!! control_disable control_disable ss name pids [ 420.214016][ T5565] !!!! control_disable kill_css(ffff88811eec2800) [ 420.220636][ T5565] !!!! control_disable control_disable ss name cpu [ 420.224912][ C1] !!!! css_killed_ref_fn enqueue(ffff88811eec2c00) [ 420.227210][ T5565] !!!! control_disable control_disable ss name memory [ 420.240491][ T5565] !!!! control_disable control_disable ss name cpu [ 420.246999][ T5565] !!!! control_disable control_disable ss name memory [ 420.253734][ T5565] !!!! control_disable control_disable ss name cpu [ 420.260241][ C0] !!!! css_killed_ref_fn enqueue(ffff88811eec2800) [ 420.266847][ T5565] !!!! control_disable control_disable ss name memory [ 420.273577][ T5565] !!!! control_disable control_disable ss name cpu [ 420.280069][ T5565] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 420.286849][ T5565] !!!! control_disable control_disable ss name cpu [ 420.293322][ T5565] !!!! control_disable control_disable ss name memory [ 420.300079][ T5565] !!!! control_disable control_disable ss name pids [ 420.306693][ T5565] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 420.306823][ T5529] !!!! css_killed_work_fn css_put(ffff88811eec2c00) [ 420.319882][ T5529] !!!! css_release enqueue(ffff88811eec2c00) [ 420.326038][ T5534] !!!! css_killed_work_fn css_put(ffff88811eec2800) [ 420.332756][ T5534] !!!! css_release enqueue(ffff88811eec2800) [ 420.339017][ T5567] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 420.339063][ T5570] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 420.345631][ T5571] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 420.352232][ T5570] !!!! css_create css ffff888119304c00 !!!! [ 420.364514][ T5570] !!!! css_create css ffff88811f7e2000 !!!! [ 420.370446][ T5570] !!!! css_create css ffff88811f7e3000 !!!! [ 420.376427][ T5570] FAULT_INJECTION: forcing a failure. [ 420.376427][ T5570] name failslab, interval 1, probability 0, space 0, times 0 [ 420.389041][ T5570] CPU: 0 PID: 5570 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 420.400745][ T5570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.410769][ T5570] Call Trace: [ 420.414032][ T5570] dump_stack_lvl+0x1e2/0x24b [ 420.418693][ T5570] ? bfq_pos_tree_add_move+0x43e/0x43e [ 420.424122][ T5570] dump_stack+0x15/0x17 [ 420.428257][ T5570] should_fail+0x3c0/0x510 [ 420.432642][ T5570] ? __kernfs_new_node+0x99/0x6e0 [ 420.437637][ T5570] __should_failslab+0x9f/0xe0 [ 420.442372][ T5570] should_failslab+0x9/0x20 [ 420.446847][ T5570] __kmalloc_track_caller+0x5f/0x350 [ 420.452114][ T5570] kstrdup_const+0x55/0x90 [ 420.456509][ T5570] __kernfs_new_node+0x99/0x6e0 [ 420.461341][ T5570] ? stack_trace_save+0x1f0/0x1f0 [ 420.466333][ T5570] ? kernfs_new_node+0x170/0x170 [ 420.471253][ T5570] ? ptr_to_hashval+0x60/0x60 [ 420.475902][ T5570] ? snprintf+0xd6/0x120 [ 420.480120][ T5570] kernfs_new_node+0x97/0x170 [ 420.484778][ T5570] __kernfs_create_file+0x4a/0x270 [ 420.489866][ T5570] cgroup_addrm_files+0xab8/0xfe0 [ 420.494869][ T5570] ? cgroup_apply_control_enable+0x734/0x12e0 [ 420.500909][ T5570] ? cgroup_apply_control+0x93/0x710 [ 420.506164][ T5570] ? cgroup_subtree_control_write+0xd19/0x1310 [ 420.512290][ T5570] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 420.518411][ T5570] ? delete_node+0x759/0x7b0 [ 420.522982][ T5570] ? __kasan_check_read+0x11/0x20 [ 420.527976][ T5570] ? delete_node+0x759/0x7b0 [ 420.532537][ T5570] ? __kasan_check_write+0x14/0x20 [ 420.537629][ T5570] ? __radix_tree_replace+0x246/0x2e0 [ 420.542973][ T5570] ? idr_get_next+0x4b0/0x4b0 [ 420.547621][ T5570] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 420.552612][ T5570] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 420.557785][ T5570] css_populate_dir+0x137/0x370 [ 420.562610][ T5570] cgroup_apply_control_enable+0x629/0x12e0 [ 420.568472][ T5570] cgroup_apply_control+0x93/0x710 [ 420.573571][ T5570] ? css_next_child+0x160/0x160 [ 420.578393][ T5570] ? stack_trace_save+0x12d/0x1f0 [ 420.583385][ T5570] ? io_schedule+0x120/0x120 [ 420.587946][ T5570] ? kernfs_fop_write_iter+0x15e/0x410 [ 420.593396][ T5570] ? __kasan_check_write+0x14/0x20 [ 420.598475][ T5570] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 420.603748][ T5570] cgroup_subtree_control_write+0xd19/0x1310 [ 420.609695][ T5570] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 420.615643][ T5570] ? __kasan_check_write+0x14/0x20 [ 420.620725][ T5570] ? _copy_from_iter+0x3fb/0xd60 [ 420.625638][ T5570] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 420.631585][ T5570] cgroup_file_write+0x28e/0x590 [ 420.636491][ T5570] ? cgroup_seqfile_stop+0xc0/0xc0 [ 420.641585][ T5570] ? mutex_lock+0xa6/0x110 [ 420.645977][ T5570] ? mutex_trylock+0xb0/0xb0 [ 420.650552][ T5570] ? __kasan_check_write+0x14/0x20 [ 420.655636][ T5570] kernfs_fop_write_iter+0x2d0/0x410 [ 420.660917][ T5570] ? cgroup_seqfile_stop+0xc0/0xc0 [ 420.666005][ T5570] vfs_write+0xc1c/0xf40 [ 420.670224][ T5570] ? slab_free_freelist_hook+0xcc/0x1a0 [ 420.675746][ T5570] ? kernel_write+0x3c0/0x3c0 [ 420.680404][ T5570] ? do_sys_openat2+0x397/0x470 [ 420.685232][ T5570] ? __kasan_check_read+0x11/0x20 [ 420.690232][ T5570] ? __fdget_pos+0x27e/0x310 [ 420.694798][ T5570] ksys_write+0x198/0x2c0 [ 420.699102][ T5570] ? __ia32_sys_read+0x90/0x90 [ 420.703846][ T5570] ? debug_smp_processor_id+0x17/0x20 [ 420.709193][ T5570] __x64_sys_write+0x7b/0x90 [ 420.713759][ T5570] do_syscall_64+0x34/0x70 [ 420.718165][ T5570] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 420.724032][ T5570] RIP: 0033:0x7f20e245dc09 [ 420.728451][ T5570] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 420.748029][ T5570] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 420.756417][ T5570] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 420.764363][ T5570] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 420.772314][ T5570] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 420.780262][ T5570] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 420.788211][ T5570] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000002 [ 420.796341][ T5570] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 420.803454][ T5570] !!!! control_disable control_disable ss name cpu [ 420.810045][ T5570] !!!! control_disable control_disable ss name memory [ 420.816895][ T5570] !!!! control_disable control_disable ss name pids [ 420.823501][ T5570] !!!! control_disable kill_css(ffff888119304c00) [ 420.830110][ T5570] !!!! control_disable control_disable ss name cpu [ 420.836669][ T5570] !!!! control_disable control_disable ss name memory [ 420.843434][ T5570] !!!! control_disable control_disable ss name pids [ 420.850142][ T5570] !!!! control_disable kill_css(ffff88811f7e2000) [ 420.856762][ T5570] !!!! control_disable control_disable ss name cpu [ 420.863260][ T5570] !!!! control_disable control_disable ss name memory [ 420.864917][ C0] !!!! css_killed_ref_fn enqueue(ffff888119304c00) [ 420.870254][ T5570] !!!! control_disable control_disable ss name pids [ 420.883161][ T5570] !!!! control_disable kill_css(ffff88811f7e3000) [ 420.889678][ T5570] !!!! control_disable control_disable ss name cpu [ 420.896170][ T5570] !!!! control_disable control_disable ss name memory [ 420.902904][ T5570] !!!! control_disable control_disable ss name cpu [ 420.909408][ T5570] !!!! control_disable control_disable ss name memory [ 420.916165][ T5570] !!!! control_disable control_disable ss name cpu [ 420.922637][ T5570] !!!! control_disable control_disable ss name memory [ 420.929395][ T5570] !!!! control_disable control_disable ss name cpu [ 420.935887][ T5570] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 420.942614][ T5570] !!!! control_disable control_disable ss name pids [ 420.949209][ T5570] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 420.955757][ T5534] !!!! css_killed_work_fn css_put(ffff888119304c00) [ 420.962797][ T5534] !!!! css_release enqueue(ffff888119304c00) [ 420.969046][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f7e2000) [ 420.975701][ T5529] !!!! css_killed_work_fn css_put(ffff88811f7e2000) [ 420.982355][ T5529] !!!! css_release enqueue(ffff88811f7e2000) [ 420.988435][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f7e3000) [ 420.995079][ T5529] !!!! css_killed_work_fn css_put(ffff88811f7e3000) [ 421.001810][ T5529] !!!! css_release enqueue(ffff88811f7e3000) [ 421.008043][ T5568] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 421.008118][ T5567] !!!! css_create css ffff88811166b800 !!!! [ 421.020473][ T5567] !!!! css_create css ffff888111669400 !!!! [ 421.026413][ T5567] !!!! css_create css ffff88811166a800 !!!! [ 421.032309][ T5567] FAULT_INJECTION: forcing a failure. [ 421.032309][ T5567] name failslab, interval 1, probability 0, space 0, times 0 [ 421.044898][ T5567] CPU: 1 PID: 5567 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 421.056584][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.066611][ T5567] Call Trace: [ 421.069879][ T5567] dump_stack_lvl+0x1e2/0x24b [ 421.074541][ T5567] ? bfq_pos_tree_add_move+0x43e/0x43e [ 421.079973][ T5567] ? serial8250_console_write+0xae0/0xe60 [ 421.085664][ T5567] ? record_print_text+0x266/0x420 [ 421.090765][ T5567] dump_stack+0x15/0x17 [ 421.094905][ T5567] should_fail+0x3c0/0x510 [ 421.099308][ T5567] ? __kernfs_new_node+0x99/0x6e0 [ 421.104328][ T5567] __should_failslab+0x9f/0xe0 [ 421.109084][ T5567] should_failslab+0x9/0x20 [ 421.113574][ T5567] __kmalloc_track_caller+0x5f/0x350 [ 421.118837][ T5567] kstrdup_const+0x55/0x90 [ 421.123228][ T5567] __kernfs_new_node+0x99/0x6e0 [ 421.128052][ T5567] ? stack_trace_save+0x1f0/0x1f0 [ 421.133048][ T5567] ? kernfs_new_node+0x170/0x170 [ 421.137959][ T5567] ? ptr_to_hashval+0x60/0x60 [ 421.142623][ T5567] ? snprintf+0xd6/0x120 [ 421.146848][ T5567] kernfs_new_node+0x97/0x170 [ 421.151496][ T5567] __kernfs_create_file+0x4a/0x270 [ 421.156585][ T5567] cgroup_addrm_files+0xab8/0xfe0 [ 421.161582][ T5567] ? cgroup_apply_control_enable+0x734/0x12e0 [ 421.167619][ T5567] ? cgroup_apply_control+0x93/0x710 [ 421.172874][ T5567] ? cgroup_subtree_control_write+0xd19/0x1310 [ 421.178998][ T5567] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 421.185136][ T5567] ? delete_node+0x759/0x7b0 [ 421.189709][ T5567] ? __kasan_check_read+0x11/0x20 [ 421.194702][ T5567] ? delete_node+0x759/0x7b0 [ 421.199260][ T5567] ? __kasan_check_write+0x14/0x20 [ 421.204355][ T5567] ? __radix_tree_replace+0x246/0x2e0 [ 421.209703][ T5567] ? idr_get_next+0x4b0/0x4b0 [ 421.214352][ T5567] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 421.219344][ T5567] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 421.224526][ T5567] css_populate_dir+0x137/0x370 [ 421.229370][ T5567] cgroup_apply_control_enable+0x629/0x12e0 [ 421.235233][ T5567] cgroup_apply_control+0x93/0x710 [ 421.240314][ T5567] ? css_next_child+0x160/0x160 [ 421.245141][ T5567] ? stack_trace_save+0x12d/0x1f0 [ 421.250149][ T5567] ? io_schedule+0x120/0x120 [ 421.254712][ T5567] ? kernfs_fop_write_iter+0x15e/0x410 [ 421.260144][ T5567] ? __kasan_check_write+0x14/0x20 [ 421.265226][ T5567] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 421.270482][ T5567] cgroup_subtree_control_write+0xd19/0x1310 [ 421.276527][ T5567] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 421.282485][ T5567] ? __kasan_check_write+0x14/0x20 [ 421.287573][ T5567] ? _copy_from_iter+0x3fb/0xd60 [ 421.292484][ T5567] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 421.298444][ T5567] cgroup_file_write+0x28e/0x590 [ 421.303360][ T5567] ? cgroup_seqfile_stop+0xc0/0xc0 [ 421.308454][ T5567] ? mutex_lock+0xa6/0x110 [ 421.312839][ T5567] ? mutex_trylock+0xb0/0xb0 [ 421.317401][ T5567] ? __kasan_check_write+0x14/0x20 [ 421.322484][ T5567] kernfs_fop_write_iter+0x2d0/0x410 [ 421.327743][ T5567] ? cgroup_seqfile_stop+0xc0/0xc0 [ 421.332835][ T5567] vfs_write+0xc1c/0xf40 [ 421.337051][ T5567] ? slab_free_freelist_hook+0xcc/0x1a0 [ 421.342574][ T5567] ? kernel_write+0x3c0/0x3c0 [ 421.347227][ T5567] ? do_sys_openat2+0x397/0x470 [ 421.352060][ T5567] ? __kasan_check_read+0x11/0x20 [ 421.357063][ T5567] ? __fdget_pos+0x27e/0x310 [ 421.361624][ T5567] ksys_write+0x198/0x2c0 [ 421.365925][ T5567] ? __ia32_sys_read+0x90/0x90 [ 421.370670][ T5567] ? debug_smp_processor_id+0x17/0x20 [ 421.376022][ T5567] __x64_sys_write+0x7b/0x90 [ 421.380584][ T5567] do_syscall_64+0x34/0x70 [ 421.384979][ T5567] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 421.390841][ T5567] RIP: 0033:0x7f20e245dc09 [ 421.395229][ T5567] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 421.414803][ T5567] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 421.423200][ T5567] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 421.431151][ T5567] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 421.439103][ T5567] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 421.447054][ T5567] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 421.455015][ T5567] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000002 [ 421.463102][ T5567] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 421.470525][ T5567] !!!! control_disable control_disable ss name cpu [ 421.477034][ T5567] !!!! control_disable control_disable ss name memory [ 421.483777][ T5567] !!!! control_disable control_disable ss name pids [ 421.490368][ T5567] !!!! control_disable kill_css(ffff88811166b800) [ 421.496913][ T5567] !!!! control_disable control_disable ss name cpu [ 421.503400][ T5567] !!!! control_disable control_disable ss name memory [ 421.510188][ T5567] !!!! control_disable control_disable ss name pids [ 421.516784][ T5567] !!!! control_disable kill_css(ffff888111669400) [ 421.523291][ T5567] !!!! control_disable control_disable ss name cpu [ 421.529807][ C1] !!!! css_killed_ref_fn enqueue(ffff88811166b800) [ 421.536470][ T5567] !!!! control_disable control_disable ss name memory [ 421.543201][ T5567] !!!! control_disable control_disable ss name pids [ 421.549793][ T5567] !!!! control_disable kill_css(ffff88811166a800) [ 421.556304][ C1] !!!! css_killed_ref_fn enqueue(ffff888111669400) [ 421.562905][ T5567] !!!! control_disable control_disable ss name cpu [ 421.569405][ T5567] !!!! control_disable control_disable ss name memory [ 421.576166][ T5567] !!!! control_disable control_disable ss name cpu [ 421.582659][ T5567] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 421.589428][ T5567] !!!! control_disable control_disable ss name cpu [ 421.595927][ T5567] !!!! control_disable control_disable ss name memory [ 421.602661][ T5567] !!!! control_disable control_disable ss name cpu [ 421.609170][ T5567] !!!! control_disable control_disable ss name memory [ 421.615920][ T5567] !!!! control_disable control_disable ss name pids [ 421.622489][ T5567] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 421.629072][ T5529] !!!! css_killed_work_fn css_put(ffff88811166b800) [ 421.635978][ T5529] !!!! css_release enqueue(ffff88811166b800) [ 421.642162][ T5529] !!!! css_killed_work_fn css_put(ffff888111669400) [ 421.648853][ C1] !!!! css_killed_ref_fn enqueue(ffff88811166a800) [ 421.655460][ T5529] !!!! css_release enqueue(ffff888111669400) [ 421.661599][ T5529] !!!! css_killed_work_fn css_put(ffff88811166a800) [ 421.668390][ T5529] !!!! css_release enqueue(ffff88811166a800) [ 421.674517][ T5568] !!!! css_create css ffff888111668800 !!!! [ 421.680569][ T5568] !!!! css_create css ffff88811434c400 !!!! [ 421.686564][ T5568] !!!! css_create css ffff88811434dc00 !!!! [ 421.692461][ T5568] FAULT_INJECTION: forcing a failure. [ 421.692461][ T5568] name failslab, interval 1, probability 0, space 0, times 0 [ 421.705148][ T5568] CPU: 1 PID: 5568 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 421.716835][ T5568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.726861][ T5568] Call Trace: [ 421.730124][ T5568] dump_stack_lvl+0x1e2/0x24b [ 421.734774][ T5568] ? bfq_pos_tree_add_move+0x43e/0x43e [ 421.740212][ T5568] ? serial8250_console_write+0xae0/0xe60 [ 421.745915][ T5568] ? record_print_text+0x266/0x420 [ 421.751001][ T5568] dump_stack+0x15/0x17 [ 421.755135][ T5568] should_fail+0x3c0/0x510 [ 421.759521][ T5568] ? __kernfs_new_node+0x99/0x6e0 [ 421.764524][ T5568] __should_failslab+0x9f/0xe0 [ 421.769277][ T5568] should_failslab+0x9/0x20 [ 421.773759][ T5568] __kmalloc_track_caller+0x5f/0x350 [ 421.779027][ T5568] kstrdup_const+0x55/0x90 [ 421.783426][ T5568] __kernfs_new_node+0x99/0x6e0 [ 421.788249][ T5568] ? stack_trace_save+0x1f0/0x1f0 [ 421.793252][ T5568] ? kernfs_new_node+0x170/0x170 [ 421.798169][ T5568] ? ptr_to_hashval+0x60/0x60 [ 421.802826][ T5568] ? snprintf+0xd6/0x120 [ 421.807039][ T5568] kernfs_new_node+0x97/0x170 [ 421.811688][ T5568] __kernfs_create_file+0x4a/0x270 [ 421.816768][ T5568] cgroup_addrm_files+0xab8/0xfe0 [ 421.821767][ T5568] ? cgroup_apply_control_enable+0x734/0x12e0 [ 421.827803][ T5568] ? cgroup_apply_control+0x93/0x710 [ 421.833064][ T5568] ? cgroup_subtree_control_write+0xd19/0x1310 [ 421.839191][ T5568] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 421.845314][ T5568] ? delete_node+0x759/0x7b0 [ 421.849880][ T5568] ? __kasan_check_read+0x11/0x20 [ 421.854876][ T5568] ? delete_node+0x759/0x7b0 [ 421.859445][ T5568] ? __kasan_check_write+0x14/0x20 [ 421.864531][ T5568] ? __radix_tree_replace+0x246/0x2e0 [ 421.869874][ T5568] ? idr_get_next+0x4b0/0x4b0 [ 421.874523][ T5568] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 421.879520][ T5568] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 421.884692][ T5568] css_populate_dir+0x137/0x370 [ 421.889521][ T5568] cgroup_apply_control_enable+0x629/0x12e0 [ 421.895399][ T5568] cgroup_apply_control+0x93/0x710 [ 421.900488][ T5568] ? css_next_child+0x160/0x160 [ 421.905321][ T5568] ? stack_trace_save+0x12d/0x1f0 [ 421.910324][ T5568] ? io_schedule+0x120/0x120 [ 421.914895][ T5568] ? kernfs_fop_write_iter+0x15e/0x410 [ 421.920338][ T5568] ? __kasan_check_write+0x14/0x20 [ 421.925421][ T5568] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 421.930677][ T5568] cgroup_subtree_control_write+0xd19/0x1310 [ 421.936637][ T5568] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 421.942596][ T5568] ? __kasan_check_write+0x14/0x20 [ 421.947686][ T5568] ? _copy_from_iter+0x3fb/0xd60 [ 421.952596][ T5568] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 421.958554][ T5568] cgroup_file_write+0x28e/0x590 [ 421.963473][ T5568] ? cgroup_seqfile_stop+0xc0/0xc0 [ 421.968559][ T5568] ? mutex_lock+0xa6/0x110 [ 421.972953][ T5568] ? mutex_trylock+0xb0/0xb0 [ 421.977538][ T5568] ? __kasan_check_write+0x14/0x20 [ 421.982646][ T5568] kernfs_fop_write_iter+0x2d0/0x410 [ 421.987923][ T5568] ? cgroup_seqfile_stop+0xc0/0xc0 [ 421.993009][ T5568] vfs_write+0xc1c/0xf40 [ 421.997240][ T5568] ? slab_free_freelist_hook+0xcc/0x1a0 [ 422.002763][ T5568] ? kernel_write+0x3c0/0x3c0 [ 422.007419][ T5568] ? do_sys_openat2+0x397/0x470 [ 422.012247][ T5568] ? __kasan_check_read+0x11/0x20 [ 422.017254][ T5568] ? __fdget_pos+0x27e/0x310 [ 422.021817][ T5568] ksys_write+0x198/0x2c0 [ 422.026140][ T5568] ? __ia32_sys_read+0x90/0x90 [ 422.030879][ T5568] ? debug_smp_processor_id+0x17/0x20 [ 422.036223][ T5568] __x64_sys_write+0x7b/0x90 [ 422.040788][ T5568] do_syscall_64+0x34/0x70 [ 422.045184][ T5568] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 422.051050][ T5568] RIP: 0033:0x7f20e245dc09 [ 422.055441][ T5568] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 422.075025][ T5568] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 422.083425][ T5568] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 422.091380][ T5568] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 422.099340][ T5568] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 422.107291][ T5568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 422.115242][ T5568] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000001 [ 422.123355][ T5568] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 422.130439][ T5568] !!!! control_disable control_disable ss name cpu [ 422.137013][ T5568] !!!! control_disable control_disable ss name memory [ 422.143811][ T5568] !!!! control_disable control_disable ss name pids [ 422.150471][ T5568] !!!! control_disable kill_css(ffff888111668800) [ 422.157038][ T5568] !!!! control_disable control_disable ss name cpu [ 422.163557][ T5568] !!!! control_disable control_disable ss name memory [ 422.170380][ T5568] !!!! control_disable control_disable ss name pids [ 422.177009][ T5568] !!!! control_disable kill_css(ffff88811434c400) [ 422.183556][ T5568] !!!! control_disable control_disable ss name cpu [ 422.190077][ C0] !!!! css_killed_ref_fn enqueue(ffff888111668800) [ 422.196696][ T5568] !!!! control_disable control_disable ss name memory [ 422.203428][ T5568] !!!! control_disable control_disable ss name pids [ 422.210029][ T5568] !!!! control_disable kill_css(ffff88811434dc00) [ 422.216533][ C0] !!!! css_killed_ref_fn enqueue(ffff88811434c400) [ 422.223115][ T5568] !!!! control_disable control_disable ss name cpu [ 422.229627][ T5568] !!!! control_disable control_disable ss name memory [ 422.236385][ T5568] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 422.242854][ T5568] !!!! control_disable control_disable ss name memory [ 422.249608][ T5568] !!!! control_disable control_disable ss name cpu [ 422.256110][ T5568] !!!! control_disable control_disable ss name memory [ 422.262853][ T5568] !!!! control_disable control_disable ss name cpu [ 422.269354][ T5568] !!!! control_disable control_disable ss name memory [ 422.276116][ T5568] !!!! control_disable control_disable ss name pids [ 422.282687][ T5568] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 422.289222][ T5533] !!!! css_killed_work_fn css_put(ffff888111668800) [ 422.296023][ T5533] !!!! css_release enqueue(ffff888111668800) [ 422.302236][ T5533] !!!! css_killed_work_fn css_put(ffff88811434c400) [ 422.308928][ C0] !!!! css_killed_ref_fn enqueue(ffff88811434dc00) [ 422.315539][ T5533] !!!! css_release enqueue(ffff88811434c400) [ 422.321690][ T5533] !!!! css_killed_work_fn css_put(ffff88811434dc00) [ 422.328537][ T5533] !!!! css_release enqueue(ffff88811434dc00) [ 422.334645][ T5573] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 422.334820][ T5575] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 422.341320][ T5569] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 422.347964][ T5575] !!!! css_create css ffff8881193bf000 !!!! [ 422.360288][ T5575] !!!! css_create css ffff8881193bdc00 !!!! [ 422.366290][ T5575] !!!! css_create css ffff8881193bc000 !!!! [ 422.372182][ T5575] FAULT_INJECTION: forcing a failure. [ 422.372182][ T5575] name failslab, interval 1, probability 0, space 0, times 0 [ 422.384951][ T5575] CPU: 0 PID: 5575 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 422.396868][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.407865][ T5575] Call Trace: [ 422.411149][ T5575] dump_stack_lvl+0x1e2/0x24b [ 422.415804][ T5575] ? bfq_pos_tree_add_move+0x43e/0x43e [ 422.421251][ T5575] ? find_next_bit+0xd6/0x120 [ 422.425908][ T5575] ? cpumask_next+0x11/0x30 [ 422.430432][ T5575] dump_stack+0x15/0x17 [ 422.434583][ T5575] should_fail+0x3c0/0x510 [ 422.438984][ T5575] ? percpu_ref_init+0xd0/0x330 [ 422.443824][ T5575] __should_failslab+0x9f/0xe0 [ 422.448570][ T5575] should_failslab+0x9/0x20 [ 422.453058][ T5575] kmem_cache_alloc_trace+0x3a/0x330 [ 422.458319][ T5575] percpu_ref_init+0xd0/0x330 [ 422.462974][ T5575] ? cgroup_setup_root+0xea0/0xea0 [ 422.468075][ T5575] cgroup_apply_control_enable+0x734/0x12e0 [ 422.473943][ T5575] cgroup_apply_control+0x93/0x710 [ 422.479028][ T5575] ? css_next_child+0x160/0x160 [ 422.483851][ T5575] ? stack_trace_save+0x12d/0x1f0 [ 422.488848][ T5575] ? io_schedule+0x120/0x120 [ 422.493431][ T5575] ? kernfs_fop_write_iter+0x15e/0x410 [ 422.498864][ T5575] ? __kasan_check_write+0x14/0x20 [ 422.503945][ T5575] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 422.509221][ T5575] cgroup_subtree_control_write+0xd19/0x1310 [ 422.515186][ T5575] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 422.521139][ T5575] ? __kasan_check_write+0x14/0x20 [ 422.526223][ T5575] ? _copy_from_iter+0x3fb/0xd60 [ 422.531130][ T5575] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 422.537084][ T5575] cgroup_file_write+0x28e/0x590 [ 422.541996][ T5575] ? cgroup_seqfile_stop+0xc0/0xc0 [ 422.547077][ T5575] ? mutex_lock+0xa6/0x110 [ 422.551465][ T5575] ? mutex_trylock+0xb0/0xb0 [ 422.556029][ T5575] ? __kasan_check_write+0x14/0x20 [ 422.561113][ T5575] kernfs_fop_write_iter+0x2d0/0x410 [ 422.566369][ T5575] ? cgroup_seqfile_stop+0xc0/0xc0 [ 422.571450][ T5575] vfs_write+0xc1c/0xf40 [ 422.575661][ T5575] ? slab_free_freelist_hook+0xcc/0x1a0 [ 422.581177][ T5575] ? kernel_write+0x3c0/0x3c0 [ 422.585839][ T5575] ? do_sys_openat2+0x397/0x470 [ 422.590667][ T5575] ? __kasan_check_read+0x11/0x20 [ 422.595676][ T5575] ? __fdget_pos+0x27e/0x310 [ 422.600284][ T5575] ksys_write+0x198/0x2c0 [ 422.604590][ T5575] ? __ia32_sys_read+0x90/0x90 [ 422.609326][ T5575] ? debug_smp_processor_id+0x17/0x20 [ 422.614670][ T5575] __x64_sys_write+0x7b/0x90 [ 422.619284][ T5575] do_syscall_64+0x34/0x70 [ 422.623704][ T5575] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 422.629573][ T5575] RIP: 0033:0x7f20e245dc09 [ 422.633972][ T5575] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 422.653554][ T5575] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 422.661946][ T5575] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 422.669893][ T5575] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 422.677838][ T5575] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 422.685784][ T5575] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 422.693730][ T5575] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000002 [ 422.701945][ T5575] !!!! css_create rcu_enqueue(ffff8881193bc000) !!!! [ 422.708721][ T5575] !!!! control_disable control_disable ss name cpu [ 422.715335][ T5575] !!!! control_disable control_disable ss name memory [ 422.722271][ T5575] !!!! control_disable control_disable ss name pids [ 422.729108][ T5575] !!!! control_disable kill_css(ffff8881193bf000) [ 422.735717][ T5575] !!!! control_disable control_disable ss name cpu [ 422.742261][ T5575] !!!! control_disable control_disable ss name memory [ 422.749113][ T5575] !!!! control_disable control_disable ss name pids [ 422.755763][ T5575] !!!! control_disable kill_css(ffff8881193bdc00) [ 422.762320][ T5575] !!!! control_disable control_disable ss name cpu [ 422.768857][ C0] !!!! css_killed_ref_fn enqueue(ffff8881193bf000) [ 422.775473][ T5575] !!!! control_disable control_disable ss name memory [ 422.782203][ T5575] !!!! control_disable control_disable ss name cpu [ 422.788713][ T5575] !!!! control_disable control_disable ss name memory [ 422.795478][ C0] !!!! css_killed_ref_fn enqueue(ffff8881193bdc00) [ 422.802058][ T5575] !!!! control_disable control_disable ss name cpu [ 422.808550][ T5575] !!!! control_disable control_disable ss name memory [ 422.815300][ T5575] !!!! control_disable control_disable ss name cpu [ 422.821772][ T5575] !!!! control_disable control_disable ss name memory [ 422.828547][ T5575] !!!! control_disable control_disable ss name cpu [ 422.835053][ T5575] !!!! control_disable control_disable ss name memory [ 422.841786][ T5575] !!!! control_disable control_disable ss name pids write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 422.848463][ T5533] !!!! css_killed_work_fn css_put(ffff8881193bf000) [ 422.848575][ T5575] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 422.855184][ T5533] !!!! css_release enqueue(ffff8881193bf000) [ 422.867936][ T5533] !!!! css_killed_work_fn css_put(ffff8881193bdc00) [ 422.874598][ T5533] !!!! css_release enqueue(ffff8881193bdc00) [ 422.880787][ T5571] !!!! css_create css ffff8881124a3400 !!!! [ 422.886782][ T5571] !!!! css_create css ffff8881124a0800 !!!! [ 422.892701][ T5571] !!!! css_create css ffff8881124a2400 !!!! [ 422.898611][ T5571] FAULT_INJECTION: forcing a failure. [ 422.898611][ T5571] name failslab, interval 1, probability 0, space 0, times 0 [ 422.911192][ T5571] CPU: 0 PID: 5571 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 422.922875][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.932905][ T5571] Call Trace: [ 422.936172][ T5571] dump_stack_lvl+0x1e2/0x24b [ 422.940824][ T5571] ? bfq_pos_tree_add_move+0x43e/0x43e [ 422.946255][ T5571] ? find_next_bit+0xd6/0x120 [ 422.950908][ T5571] ? cpumask_next+0x11/0x30 [ 422.955384][ T5571] dump_stack+0x15/0x17 [ 422.959514][ T5571] should_fail+0x3c0/0x510 [ 422.963904][ T5571] ? percpu_ref_init+0xd0/0x330 [ 422.968735][ T5571] __should_failslab+0x9f/0xe0 [ 422.973498][ T5571] should_failslab+0x9/0x20 [ 422.977976][ T5571] kmem_cache_alloc_trace+0x3a/0x330 [ 422.983233][ T5571] percpu_ref_init+0xd0/0x330 [ 422.987918][ T5571] ? cgroup_setup_root+0xea0/0xea0 [ 422.993006][ T5571] cgroup_apply_control_enable+0x734/0x12e0 [ 422.998870][ T5571] cgroup_apply_control+0x93/0x710 [ 423.003952][ T5571] ? css_next_child+0x160/0x160 [ 423.008774][ T5571] ? stack_trace_save+0x12d/0x1f0 [ 423.013769][ T5571] ? io_schedule+0x120/0x120 [ 423.018330][ T5571] ? kernfs_fop_write_iter+0x15e/0x410 [ 423.023763][ T5571] ? __kasan_check_write+0x14/0x20 [ 423.028849][ T5571] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 423.034119][ T5571] cgroup_subtree_control_write+0xd19/0x1310 [ 423.040072][ T5571] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 423.046025][ T5571] ? __kasan_check_write+0x14/0x20 [ 423.051112][ T5571] ? _copy_from_iter+0x3fb/0xd60 [ 423.056023][ T5571] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 423.061991][ T5571] cgroup_file_write+0x28e/0x590 [ 423.066902][ T5571] ? cgroup_seqfile_stop+0xc0/0xc0 [ 423.071984][ T5571] ? mutex_lock+0xa6/0x110 [ 423.076372][ T5571] ? mutex_trylock+0xb0/0xb0 [ 423.080954][ T5571] ? __kasan_check_write+0x14/0x20 [ 423.086039][ T5571] kernfs_fop_write_iter+0x2d0/0x410 [ 423.091318][ T5571] ? cgroup_seqfile_stop+0xc0/0xc0 [ 423.096429][ T5571] vfs_write+0xc1c/0xf40 [ 423.100657][ T5571] ? slab_free_freelist_hook+0xcc/0x1a0 [ 423.106174][ T5571] ? kernel_write+0x3c0/0x3c0 [ 423.110823][ T5571] ? do_sys_openat2+0x397/0x470 [ 423.115647][ T5571] ? __kasan_check_read+0x11/0x20 [ 423.120644][ T5571] ? __fdget_pos+0x27e/0x310 [ 423.125232][ T5571] ksys_write+0x198/0x2c0 [ 423.129545][ T5571] ? __ia32_sys_read+0x90/0x90 [ 423.134304][ T5571] ? debug_smp_processor_id+0x17/0x20 [ 423.139675][ T5571] __x64_sys_write+0x7b/0x90 [ 423.144240][ T5571] do_syscall_64+0x34/0x70 [ 423.148646][ T5571] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 423.154595][ T5571] RIP: 0033:0x7f20e245dc09 [ 423.158989][ T5571] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 423.178563][ T5571] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 423.186972][ T5571] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 423.194918][ T5571] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 423.202884][ T5571] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 423.210841][ T5571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 423.218787][ T5571] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000002 [ 423.226798][ T5571] !!!! css_create rcu_enqueue(ffff8881124a2400) !!!! [ 423.233468][ T5571] !!!! control_disable control_disable ss name cpu [ 423.239987][ T5571] !!!! control_disable control_disable ss name memory [ 423.246751][ T5571] !!!! control_disable control_disable ss name pids [ 423.253324][ T5571] !!!! control_disable kill_css(ffff8881124a3400) [ 423.259988][ T5571] !!!! control_disable control_disable ss name cpu [ 423.266537][ T5571] !!!! control_disable control_disable ss name memory [ 423.273367][ T5571] !!!! control_disable control_disable ss name pids [ 423.280027][ T5571] !!!! control_disable kill_css(ffff8881124a0800) [ 423.286584][ C0] !!!! css_killed_ref_fn enqueue(ffff8881124a3400) [ 423.286665][ T5571] !!!! control_disable control_disable ss name cpu [ 423.299704][ T5571] !!!! control_disable control_disable ss name memory [ 423.306609][ T5571] !!!! control_disable control_disable ss name cpu [ 423.313137][ T5571] !!!! control_disable control_disable ss name memory [ 423.319946][ T5571] !!!! control_disable control_disable ss name cpu [ 423.326461][ C1] !!!! css_killed_ref_fn enqueue(ffff8881124a0800) [ 423.333072][ T5571] !!!! control_disable control_disable ss name memory [ 423.339833][ T5571] !!!! control_disable control_disable ss name cpu [ 423.346327][ T5571] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 423.353062][ T5571] !!!! control_disable control_disable ss name cpu [ 423.359557][ T5571] !!!! control_disable control_disable ss name memory [ 423.366395][ T5571] !!!! control_disable control_disable ss name pids [ 423.372963][ T5571] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 423.373292][ T5533] !!!! css_killed_work_fn css_put(ffff8881124a3400) [ 423.386179][ T5533] !!!! css_release enqueue(ffff8881124a3400) [ 423.392262][ T5529] !!!! css_killed_work_fn css_put(ffff8881124a0800) [ 423.399006][ T5529] !!!! css_release enqueue(ffff8881124a0800) [ 423.405181][ T5576] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 423.405327][ T5573] !!!! css_create css ffff888111ecf800 !!!! [ 423.417619][ T5573] !!!! css_create css ffff888111ecd400 !!!! [ 423.423529][ T5573] !!!! css_create css ffff888111ece800 !!!! [ 423.429465][ T5573] FAULT_INJECTION: forcing a failure. [ 423.429465][ T5573] name failslab, interval 1, probability 0, space 0, times 0 [ 423.442053][ T5573] CPU: 0 PID: 5573 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 423.453734][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.463845][ T5573] Call Trace: [ 423.467117][ T5573] dump_stack_lvl+0x1e2/0x24b [ 423.471775][ T5573] ? bfq_pos_tree_add_move+0x43e/0x43e [ 423.477282][ T5573] ? find_next_bit+0xd6/0x120 [ 423.481977][ T5573] ? cpumask_next+0x11/0x30 [ 423.486466][ T5573] dump_stack+0x15/0x17 [ 423.490604][ T5573] should_fail+0x3c0/0x510 [ 423.495022][ T5573] ? percpu_ref_init+0xd0/0x330 [ 423.499857][ T5573] __should_failslab+0x9f/0xe0 [ 423.504598][ T5573] should_failslab+0x9/0x20 [ 423.509087][ T5573] kmem_cache_alloc_trace+0x3a/0x330 [ 423.514436][ T5573] percpu_ref_init+0xd0/0x330 [ 423.519088][ T5573] ? cgroup_setup_root+0xea0/0xea0 [ 423.524178][ T5573] cgroup_apply_control_enable+0x734/0x12e0 [ 423.530062][ T5573] cgroup_apply_control+0x93/0x710 [ 423.535165][ T5573] ? css_next_child+0x160/0x160 [ 423.540097][ T5573] ? stack_trace_save+0x12d/0x1f0 [ 423.545147][ T5573] ? io_schedule+0x120/0x120 [ 423.549715][ T5573] ? kernfs_fop_write_iter+0x15e/0x410 [ 423.555147][ T5573] ? __kasan_check_write+0x14/0x20 [ 423.560240][ T5573] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 423.565505][ T5573] cgroup_subtree_control_write+0xd19/0x1310 [ 423.571575][ T5573] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 423.577537][ T5573] ? __kasan_check_write+0x14/0x20 [ 423.582620][ T5573] ? _copy_from_iter+0x3fb/0xd60 [ 423.587538][ T5573] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 423.593510][ T5573] cgroup_file_write+0x28e/0x590 [ 423.598428][ T5573] ? cgroup_seqfile_stop+0xc0/0xc0 [ 423.603521][ T5573] ? mutex_lock+0xa6/0x110 [ 423.607911][ T5573] ? mutex_trylock+0xb0/0xb0 [ 423.612474][ T5573] ? __kasan_check_write+0x14/0x20 [ 423.617579][ T5573] kernfs_fop_write_iter+0x2d0/0x410 [ 423.622837][ T5573] ? cgroup_seqfile_stop+0xc0/0xc0 [ 423.627953][ T5573] vfs_write+0xc1c/0xf40 [ 423.632184][ T5573] ? slab_free_freelist_hook+0xcc/0x1a0 [ 423.637719][ T5573] ? kernel_write+0x3c0/0x3c0 [ 423.642378][ T5573] ? do_sys_openat2+0x397/0x470 [ 423.647204][ T5573] ? __kasan_check_read+0x11/0x20 [ 423.652203][ T5573] ? __fdget_pos+0x27e/0x310 [ 423.656784][ T5573] ksys_write+0x198/0x2c0 [ 423.661087][ T5573] ? __ia32_sys_read+0x90/0x90 [ 423.665827][ T5573] ? debug_smp_processor_id+0x17/0x20 [ 423.671169][ T5573] __x64_sys_write+0x7b/0x90 [ 423.675747][ T5573] do_syscall_64+0x34/0x70 [ 423.680135][ T5573] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 423.685997][ T5573] RIP: 0033:0x7f20e245dc09 [ 423.690384][ T5573] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 423.709963][ T5573] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 423.718346][ T5573] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 423.726290][ T5573] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 423.734235][ T5573] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 423.742192][ T5573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 423.750150][ T5573] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000003 [ 423.758156][ T5573] !!!! css_create rcu_enqueue(ffff888111ece800) !!!! [ 423.764830][ T5573] !!!! control_disable control_disable ss name cpu [ 423.771343][ T5573] !!!! control_disable control_disable ss name memory [ 423.778103][ T5573] !!!! control_disable control_disable ss name pids [ 423.784675][ T5573] !!!! control_disable kill_css(ffff888111ecf800) [ 423.791229][ T5573] !!!! control_disable control_disable ss name cpu [ 423.797729][ T5573] !!!! control_disable control_disable ss name memory [ 423.804465][ T5573] !!!! control_disable control_disable ss name pids [ 423.811052][ T5573] !!!! control_disable kill_css(ffff888111ecd400) [ 423.817589][ T5573] !!!! control_disable control_disable ss name cpu [ 423.824070][ T5573] !!!! control_disable control_disable ss name memory [ 423.830832][ T5573] !!!! control_disable control_disable ss name cpu [ 423.837323][ T5573] !!!! control_disable control_disable ss name memory [ 423.844061][ T5573] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 423.850558][ T5573] !!!! control_disable control_disable ss name memory [ 423.857310][ T5573] !!!! control_disable control_disable ss name cpu [ 423.863787][ T5573] !!!! control_disable control_disable ss name memory [ 423.870553][ T5573] !!!! control_disable control_disable ss name cpu [ 423.877053][ T5573] !!!! control_disable control_disable ss name memory [ 423.883798][ T5573] !!!! control_disable control_disable ss name pids [ 423.890402][ T5573] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 423.914909][ C0] !!!! css_killed_ref_fn enqueue(ffff888111ecf800) [ 423.921523][ C0] !!!! css_killed_ref_fn enqueue(ffff888111ecd400) [ 423.928147][ T5533] !!!! css_killed_work_fn css_put(ffff888111ecf800) [ 423.934820][ T5533] !!!! css_release enqueue(ffff888111ecf800) [ 423.940996][ T5533] !!!! css_killed_work_fn css_put(ffff888111ecd400) [ 423.947706][ T5533] !!!! css_release enqueue(ffff888111ecd400) [ 423.953795][ T5569] !!!! css_create css ffff888106be1800 !!!! [ 423.959785][ T5569] !!!! css_create css ffff888106be3c00 !!!! [ 423.965781][ T5569] !!!! css_create css ffff888106be0400 !!!! [ 423.971731][ T5569] FAULT_INJECTION: forcing a failure. [ 423.971731][ T5569] name failslab, interval 1, probability 0, space 0, times 0 [ 423.984388][ T5569] CPU: 1 PID: 5569 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 423.996079][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.006110][ T5569] Call Trace: [ 424.009376][ T5569] dump_stack_lvl+0x1e2/0x24b [ 424.014025][ T5569] ? bfq_pos_tree_add_move+0x43e/0x43e [ 424.019455][ T5569] dump_stack+0x15/0x17 [ 424.023584][ T5569] should_fail+0x3c0/0x510 [ 424.027971][ T5569] ? __kernfs_new_node+0x99/0x6e0 [ 424.032966][ T5569] __should_failslab+0x9f/0xe0 [ 424.037700][ T5569] should_failslab+0x9/0x20 [ 424.042186][ T5569] __kmalloc_track_caller+0x5f/0x350 [ 424.047442][ T5569] kstrdup_const+0x55/0x90 [ 424.051829][ T5569] __kernfs_new_node+0x99/0x6e0 [ 424.056648][ T5569] ? stack_trace_save+0x1f0/0x1f0 [ 424.061648][ T5569] ? kernfs_new_node+0x170/0x170 [ 424.066569][ T5569] ? ptr_to_hashval+0x60/0x60 [ 424.071233][ T5569] ? snprintf+0xd6/0x120 [ 424.075445][ T5569] kernfs_new_node+0x97/0x170 [ 424.080110][ T5569] __kernfs_create_file+0x4a/0x270 [ 424.085189][ T5569] cgroup_addrm_files+0xab8/0xfe0 [ 424.090201][ T5569] ? cgroup_apply_control_enable+0x734/0x12e0 [ 424.096253][ T5569] ? cgroup_apply_control+0x93/0x710 [ 424.101510][ T5569] ? cgroup_subtree_control_write+0xd19/0x1310 [ 424.107636][ T5569] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 424.113762][ T5569] ? delete_node+0x759/0x7b0 [ 424.118327][ T5569] ? __kasan_check_read+0x11/0x20 [ 424.123332][ T5569] ? delete_node+0x759/0x7b0 [ 424.127913][ T5569] ? __kasan_check_write+0x14/0x20 [ 424.132999][ T5569] ? __radix_tree_replace+0x246/0x2e0 [ 424.138364][ T5569] ? idr_get_next+0x4b0/0x4b0 [ 424.143013][ T5569] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 424.148027][ T5569] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 424.153196][ T5569] css_populate_dir+0x137/0x370 [ 424.158037][ T5569] cgroup_apply_control_enable+0x629/0x12e0 [ 424.163902][ T5569] cgroup_apply_control+0x93/0x710 [ 424.168983][ T5569] ? css_next_child+0x160/0x160 [ 424.173801][ T5569] ? stack_trace_save+0x12d/0x1f0 [ 424.178795][ T5569] ? io_schedule+0x120/0x120 [ 424.183356][ T5569] ? kernfs_fop_write_iter+0x15e/0x410 [ 424.188791][ T5569] ? __kasan_check_write+0x14/0x20 [ 424.193893][ T5569] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 424.199150][ T5569] cgroup_subtree_control_write+0xd19/0x1310 [ 424.205101][ T5569] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 424.211050][ T5569] ? __kasan_check_write+0x14/0x20 [ 424.216130][ T5569] ? _copy_from_iter+0x3fb/0xd60 [ 424.221037][ T5569] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 424.226986][ T5569] cgroup_file_write+0x28e/0x590 [ 424.231909][ T5569] ? cgroup_seqfile_stop+0xc0/0xc0 [ 424.237008][ T5569] ? mutex_lock+0xa6/0x110 [ 424.241406][ T5569] ? mutex_trylock+0xb0/0xb0 [ 424.245966][ T5569] ? __kasan_check_write+0x14/0x20 [ 424.251049][ T5569] kernfs_fop_write_iter+0x2d0/0x410 [ 424.256315][ T5569] ? cgroup_seqfile_stop+0xc0/0xc0 [ 424.261396][ T5569] vfs_write+0xc1c/0xf40 [ 424.265607][ T5569] ? slab_free_freelist_hook+0xcc/0x1a0 [ 424.271135][ T5569] ? kernel_write+0x3c0/0x3c0 [ 424.275781][ T5569] ? do_sys_openat2+0x397/0x470 [ 424.280603][ T5569] ? __kasan_check_read+0x11/0x20 [ 424.285598][ T5569] ? __fdget_pos+0x27e/0x310 [ 424.290156][ T5569] ksys_write+0x198/0x2c0 [ 424.294474][ T5569] ? __ia32_sys_read+0x90/0x90 [ 424.299210][ T5569] ? debug_smp_processor_id+0x17/0x20 [ 424.304562][ T5569] __x64_sys_write+0x7b/0x90 [ 424.309128][ T5569] do_syscall_64+0x34/0x70 [ 424.313514][ T5569] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 424.319379][ T5569] RIP: 0033:0x7f20e245dc09 [ 424.323770][ T5569] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 424.343359][ T5569] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 424.351742][ T5569] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 424.359698][ T5569] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 424.367644][ T5569] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 424.375589][ T5569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 424.383546][ T5569] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000003 [ 424.391746][ T5569] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 424.398852][ T5569] !!!! control_disable control_disable ss name cpu [ 424.405507][ T5569] !!!! control_disable control_disable ss name memory [ 424.412346][ T5569] !!!! control_disable control_disable ss name pids [ 424.419095][ T5569] !!!! control_disable kill_css(ffff888106be1800) [ 424.425747][ T5569] !!!! control_disable control_disable ss name cpu [ 424.432284][ T5569] !!!! control_disable control_disable ss name memory [ 424.439136][ T5569] !!!! control_disable control_disable ss name pids [ 424.445784][ T5569] !!!! control_disable kill_css(ffff888106be3c00) [ 424.452361][ T5569] !!!! control_disable control_disable ss name cpu [ 424.458913][ T5569] !!!! control_disable control_disable ss name memory [ 424.465711][ C1] !!!! css_killed_ref_fn enqueue(ffff888106be1800) [ 424.472342][ T5569] !!!! control_disable control_disable ss name pids [ 424.478968][ T5569] !!!! control_disable kill_css(ffff888106be0400) [ 424.485483][ T5569] !!!! control_disable control_disable ss name cpu [ 424.485722][ C0] !!!! css_killed_ref_fn enqueue(ffff888106be3c00) [ 424.491962][ T5569] !!!! control_disable control_disable ss name memory [ 424.505310][ T5569] !!!! control_disable control_disable ss name cpu [ 424.511803][ T5569] !!!! control_disable control_disable ss name memory [ 424.518583][ T5569] !!!! control_disable control_disable ss name cpu [ 424.525080][ T5569] !!!! control_disable control_disable ss name memory [ 424.531821][ T5569] !!!! control_disable control_disable ss name cpu [ 424.538320][ T5569] !!!! control_disable control_disable ss name memory [ 424.545083][ T5569] !!!! control_disable control_disable ss name pids [ 424.551719][ T5569] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 424.551767][ T5533] !!!! css_killed_work_fn css_put(ffff888106be3c00) [ 424.559874][ C1] !!!! css_killed_ref_fn enqueue(ffff888106be0400) [ 424.565107][ T5533] !!!! css_release enqueue(ffff888106be3c00) [ 424.577803][ T5529] !!!! css_killed_work_fn css_put(ffff888106be1800) [ 424.584453][ T5529] !!!! css_release enqueue(ffff888106be1800) [ 424.591721][ T5529] !!!! css_killed_work_fn css_put(ffff888106be0400) [ 424.598458][ T5529] !!!! css_release enqueue(ffff888106be0400) [ 424.604571][ T5578] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 424.605046][ T5577] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 424.611167][ T5572] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 424.617698][ T5576] !!!! css_create css ffff88811a0c1800 !!!! [ 424.630055][ T5576] !!!! css_create css ffff88811a0c3c00 !!!! [ 424.636006][ T5576] !!!! css_create css ffff88811a0c0400 !!!! [ 424.641906][ T5576] FAULT_INJECTION: forcing a failure. [ 424.641906][ T5576] name failslab, interval 1, probability 0, space 0, times 0 [ 424.654511][ T5576] CPU: 1 PID: 5576 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 424.666199][ T5576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.676236][ T5576] Call Trace: [ 424.679503][ T5576] dump_stack_lvl+0x1e2/0x24b [ 424.684166][ T5576] ? bfq_pos_tree_add_move+0x43e/0x43e [ 424.689603][ T5576] ? serial8250_console_write+0xae0/0xe60 [ 424.695298][ T5576] ? record_print_text+0x266/0x420 [ 424.700385][ T5576] dump_stack+0x15/0x17 [ 424.704517][ T5576] should_fail+0x3c0/0x510 [ 424.708908][ T5576] ? __kernfs_new_node+0x99/0x6e0 [ 424.713920][ T5576] __should_failslab+0x9f/0xe0 [ 424.718656][ T5576] should_failslab+0x9/0x20 [ 424.723155][ T5576] __kmalloc_track_caller+0x5f/0x350 [ 424.728419][ T5576] kstrdup_const+0x55/0x90 [ 424.732808][ T5576] __kernfs_new_node+0x99/0x6e0 [ 424.737638][ T5576] ? stack_trace_save+0x1f0/0x1f0 [ 424.742655][ T5576] ? kernfs_new_node+0x170/0x170 [ 424.747563][ T5576] ? ptr_to_hashval+0x60/0x60 [ 424.752213][ T5576] ? snprintf+0xd6/0x120 [ 424.756432][ T5576] kernfs_new_node+0x97/0x170 [ 424.761095][ T5576] __kernfs_create_file+0x4a/0x270 [ 424.766180][ T5576] cgroup_addrm_files+0xab8/0xfe0 [ 424.771180][ T5576] ? cgroup_apply_control_enable+0x734/0x12e0 [ 424.777219][ T5576] ? cgroup_apply_control+0x93/0x710 [ 424.782479][ T5576] ? cgroup_subtree_control_write+0xd19/0x1310 [ 424.788604][ T5576] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 424.794726][ T5576] ? delete_node+0x759/0x7b0 [ 424.799289][ T5576] ? __kasan_check_read+0x11/0x20 [ 424.804289][ T5576] ? delete_node+0x759/0x7b0 [ 424.808862][ T5576] ? __kasan_check_write+0x14/0x20 [ 424.813946][ T5576] ? __radix_tree_replace+0x246/0x2e0 [ 424.819291][ T5576] ? idr_get_next+0x4b0/0x4b0 [ 424.823943][ T5576] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 424.828949][ T5576] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 424.834122][ T5576] css_populate_dir+0x137/0x370 [ 424.838959][ T5576] cgroup_apply_control_enable+0x629/0x12e0 [ 424.844855][ T5576] cgroup_apply_control+0x93/0x710 [ 424.849955][ T5576] ? css_next_child+0x160/0x160 [ 424.854779][ T5576] ? stack_trace_save+0x12d/0x1f0 [ 424.859776][ T5576] ? io_schedule+0x120/0x120 [ 424.864358][ T5576] ? kernfs_fop_write_iter+0x15e/0x410 [ 424.869793][ T5576] ? __kasan_check_write+0x14/0x20 [ 424.874888][ T5576] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 424.880157][ T5576] cgroup_subtree_control_write+0xd19/0x1310 [ 424.886124][ T5576] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 424.892083][ T5576] ? __kasan_check_write+0x14/0x20 [ 424.897179][ T5576] ? _copy_from_iter+0x3fb/0xd60 [ 424.902088][ T5576] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 424.908050][ T5576] cgroup_file_write+0x28e/0x590 [ 424.912971][ T5576] ? cgroup_seqfile_stop+0xc0/0xc0 [ 424.918068][ T5576] ? mutex_lock+0xa6/0x110 [ 424.922471][ T5576] ? mutex_trylock+0xb0/0xb0 [ 424.927033][ T5576] ? __kasan_check_write+0x14/0x20 [ 424.932143][ T5576] kernfs_fop_write_iter+0x2d0/0x410 [ 424.937412][ T5576] ? cgroup_seqfile_stop+0xc0/0xc0 [ 424.942495][ T5576] vfs_write+0xc1c/0xf40 [ 424.946728][ T5576] ? slab_free_freelist_hook+0xcc/0x1a0 [ 424.952254][ T5576] ? kernel_write+0x3c0/0x3c0 [ 424.956908][ T5576] ? do_sys_openat2+0x397/0x470 [ 424.961753][ T5576] ? __kasan_check_read+0x11/0x20 [ 424.966752][ T5576] ? __fdget_pos+0x27e/0x310 [ 424.971320][ T5576] ksys_write+0x198/0x2c0 [ 424.975627][ T5576] ? __ia32_sys_read+0x90/0x90 [ 424.980368][ T5576] ? debug_smp_processor_id+0x17/0x20 [ 424.985715][ T5576] __x64_sys_write+0x7b/0x90 [ 424.990282][ T5576] do_syscall_64+0x34/0x70 [ 424.994676][ T5576] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 425.000548][ T5576] RIP: 0033:0x7f20e245dc09 [ 425.004943][ T5576] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 425.024523][ T5576] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 425.032914][ T5576] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 425.040861][ T5576] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 425.048812][ T5576] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 425.056761][ T5576] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 425.064709][ T5576] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000003 [ 425.072853][ T5576] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 425.079968][ T5576] !!!! control_disable control_disable ss name cpu [ 425.086509][ T5576] !!!! control_disable control_disable ss name memory [ 425.093316][ T5576] !!!! control_disable control_disable ss name pids [ 425.099958][ T5576] !!!! control_disable kill_css(ffff88811a0c1800) [ 425.106520][ T5576] !!!! control_disable control_disable ss name cpu [ 425.113031][ T5576] !!!! control_disable control_disable ss name memory [ 425.119859][ T5576] !!!! control_disable control_disable ss name pids [ 425.126481][ T5576] !!!! control_disable kill_css(ffff88811a0c3c00) [ 425.133033][ T5576] !!!! control_disable control_disable ss name cpu [ 425.139598][ T5576] !!!! control_disable control_disable ss name memory [ 425.146375][ C1] !!!! css_killed_ref_fn enqueue(ffff88811a0c1800) [ 425.152959][ T5576] !!!! control_disable control_disable ss name pids [ 425.159642][ T5576] !!!! control_disable kill_css(ffff88811a0c0400) [ 425.166152][ C1] !!!! css_killed_ref_fn enqueue(ffff88811a0c3c00) [ 425.172754][ T5576] !!!! control_disable control_disable ss name cpu [ 425.179286][ T5576] !!!! control_disable control_disable ss name memory [ 425.186041][ T5576] !!!! control_disable control_disable ss name cpu [ 425.192512][ T5576] !!!! control_disable control_disable ss name memory [ 425.199270][ T5576] !!!! control_disable control_disable ss name cpu [ 425.205766][ T5576] !!!! control_disable control_disable ss name memory [ 425.212613][ T5576] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 425.219115][ T5576] !!!! control_disable control_disable ss name memory [ 425.225868][ T5576] !!!! control_disable control_disable ss name pids [ 425.232444][ T5576] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 425.238999][ T5529] !!!! css_killed_work_fn css_put(ffff88811a0c1800) [ 425.245682][ T5529] !!!! css_release enqueue(ffff88811a0c1800) [ 425.251827][ C1] !!!! css_killed_ref_fn enqueue(ffff88811a0c0400) [ 425.258515][ T5529] !!!! css_killed_work_fn css_put(ffff88811a0c3c00) [ 425.265216][ T5529] !!!! css_release enqueue(ffff88811a0c3c00) [ 425.271376][ T5529] !!!! css_killed_work_fn css_put(ffff88811a0c0400) [ 425.278249][ T5529] !!!! css_release enqueue(ffff88811a0c0400) [ 425.284384][ T5579] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 425.284410][ T5574] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 425.291220][ T5579] !!!! css_create css ffff888119099800 !!!! [ 425.303494][ T5579] !!!! css_create css ffff88811909bc00 !!!! [ 425.309435][ T5579] !!!! css_create css ffff888119098400 !!!! [ 425.315380][ T5579] FAULT_INJECTION: forcing a failure. [ 425.315380][ T5579] name failslab, interval 1, probability 0, space 0, times 0 [ 425.328057][ T5579] CPU: 1 PID: 5579 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 425.339741][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.349770][ T5579] Call Trace: [ 425.353044][ T5579] dump_stack_lvl+0x1e2/0x24b [ 425.357710][ T5579] ? bfq_pos_tree_add_move+0x43e/0x43e [ 425.363150][ T5579] dump_stack+0x15/0x17 [ 425.367278][ T5579] should_fail+0x3c0/0x510 [ 425.371666][ T5579] ? __kernfs_new_node+0x99/0x6e0 [ 425.376662][ T5579] __should_failslab+0x9f/0xe0 [ 425.381396][ T5579] should_failslab+0x9/0x20 [ 425.385881][ T5579] __kmalloc_track_caller+0x5f/0x350 [ 425.391145][ T5579] kstrdup_const+0x55/0x90 [ 425.395532][ T5579] __kernfs_new_node+0x99/0x6e0 [ 425.400354][ T5579] ? stack_trace_save+0x1f0/0x1f0 [ 425.405349][ T5579] ? kernfs_new_node+0x170/0x170 [ 425.410256][ T5579] ? ptr_to_hashval+0x60/0x60 [ 425.414904][ T5579] ? snprintf+0xd6/0x120 [ 425.419118][ T5579] kernfs_new_node+0x97/0x170 [ 425.423765][ T5579] __kernfs_create_file+0x4a/0x270 [ 425.428845][ T5579] cgroup_addrm_files+0xab8/0xfe0 [ 425.433840][ T5579] ? cgroup_apply_control_enable+0x734/0x12e0 [ 425.439877][ T5579] ? cgroup_apply_control+0x93/0x710 [ 425.445133][ T5579] ? cgroup_subtree_control_write+0xd19/0x1310 [ 425.451256][ T5579] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 425.457383][ T5579] ? delete_node+0x759/0x7b0 [ 425.462060][ T5579] ? __kasan_check_read+0x11/0x20 [ 425.467073][ T5579] ? delete_node+0x759/0x7b0 [ 425.471643][ T5579] ? __kasan_check_write+0x14/0x20 [ 425.476740][ T5579] ? __radix_tree_replace+0x246/0x2e0 [ 425.482097][ T5579] ? idr_get_next+0x4b0/0x4b0 [ 425.486749][ T5579] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 425.492219][ T5579] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 425.497394][ T5579] css_populate_dir+0x137/0x370 [ 425.502222][ T5579] cgroup_apply_control_enable+0x629/0x12e0 [ 425.508091][ T5579] cgroup_apply_control+0x93/0x710 [ 425.513173][ T5579] ? css_next_child+0x160/0x160 [ 425.517997][ T5579] ? stack_trace_save+0x12d/0x1f0 [ 425.522989][ T5579] ? io_schedule+0x120/0x120 [ 425.527550][ T5579] ? kernfs_fop_write_iter+0x15e/0x410 [ 425.533065][ T5579] ? __kasan_check_write+0x14/0x20 [ 425.538150][ T5579] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 425.543405][ T5579] cgroup_subtree_control_write+0xd19/0x1310 [ 425.549371][ T5579] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 425.555346][ T5579] ? __kasan_check_write+0x14/0x20 [ 425.560457][ T5579] ? _copy_from_iter+0x3fb/0xd60 [ 425.565368][ T5579] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 425.571318][ T5579] cgroup_file_write+0x28e/0x590 [ 425.576225][ T5579] ? cgroup_seqfile_stop+0xc0/0xc0 [ 425.581305][ T5579] ? mutex_lock+0xa6/0x110 [ 425.585699][ T5579] ? mutex_trylock+0xb0/0xb0 [ 425.590279][ T5579] ? __kasan_check_write+0x14/0x20 [ 425.595375][ T5579] kernfs_fop_write_iter+0x2d0/0x410 [ 425.600641][ T5579] ? cgroup_seqfile_stop+0xc0/0xc0 [ 425.605741][ T5579] vfs_write+0xc1c/0xf40 [ 425.609997][ T5579] ? slab_free_freelist_hook+0xcc/0x1a0 [ 425.615525][ T5579] ? kernel_write+0x3c0/0x3c0 [ 425.620282][ T5579] ? do_sys_openat2+0x397/0x470 [ 425.625111][ T5579] ? __kasan_check_read+0x11/0x20 [ 425.630111][ T5579] ? __fdget_pos+0x27e/0x310 [ 425.634678][ T5579] ksys_write+0x198/0x2c0 [ 425.638982][ T5579] ? __ia32_sys_read+0x90/0x90 [ 425.643836][ T5579] ? debug_smp_processor_id+0x17/0x20 [ 425.649185][ T5579] __x64_sys_write+0x7b/0x90 [ 425.653751][ T5579] do_syscall_64+0x34/0x70 [ 425.658152][ T5579] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 425.664019][ T5579] RIP: 0033:0x7f20e245dc09 [ 425.668414][ T5579] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 425.687994][ T5579] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 425.696384][ T5579] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 425.704329][ T5579] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 425.712274][ T5579] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 425.720223][ T5579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 425.728179][ T5579] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000004 [ 425.736330][ T5579] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 425.743452][ T5579] !!!! control_disable control_disable ss name cpu [ 425.750055][ T5579] !!!! control_disable control_disable ss name memory [ 425.756923][ T5579] !!!! control_disable control_disable ss name pids [ 425.763514][ T5579] !!!! control_disable kill_css(ffff888119099800) [ 425.770314][ T5579] !!!! control_disable control_disable ss name cpu [ 425.776854][ T5579] !!!! control_disable control_disable ss name memory [ 425.783652][ T5579] !!!! control_disable control_disable ss name pids [ 425.790323][ T5579] !!!! control_disable kill_css(ffff88811909bc00) [ 425.794912][ C0] !!!! css_killed_ref_fn enqueue(ffff888119099800) [ 425.796937][ T5579] !!!! control_disable control_disable ss name cpu [ 425.809923][ T5579] !!!! control_disable control_disable ss name memory [ 425.816702][ T5579] !!!! control_disable control_disable ss name pids [ 425.823267][ T5579] !!!! control_disable kill_css(ffff888119098400) [ 425.829778][ T5579] !!!! control_disable control_disable ss name cpu [ 425.836283][ T5579] !!!! control_disable control_disable ss name memory [ 425.843015][ T5579] !!!! control_disable control_disable ss name cpu [ 425.849526][ T5579] !!!! control_disable control_disable ss name memory [ 425.856283][ T5579] !!!! control_disable control_disable ss name cpu [ 425.862749][ T5579] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 425.869513][ T5579] !!!! control_disable control_disable ss name cpu [ 425.876015][ T5579] !!!! control_disable control_disable ss name memory [ 425.882746][ T5579] !!!! control_disable control_disable ss name pids [ 425.889357][ T5579] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 425.895955][ T5533] !!!! css_killed_work_fn css_put(ffff888119099800) [ 425.902901][ T5533] !!!! css_release enqueue(ffff888119099800) [ 425.903620][ C1] !!!! css_killed_ref_fn enqueue(ffff88811909bc00) [ 425.915633][ T5528] !!!! css_killed_work_fn css_put(ffff88811909bc00) [ 425.922301][ T5528] !!!! css_release enqueue(ffff88811909bc00) [ 425.928374][ C1] !!!! css_killed_ref_fn enqueue(ffff888119098400) [ 425.936086][ T5528] !!!! css_killed_work_fn css_put(ffff888119098400) [ 425.942779][ T5528] !!!! css_release enqueue(ffff888119098400) [ 425.948927][ T5580] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 425.949153][ T5574] !!!! css_create css ffff88810ff73800 !!!! [ 425.961352][ T5574] !!!! css_create css ffff88810ff71400 !!!! [ 425.967306][ T5574] !!!! css_create css ffff88810ff72800 !!!! [ 425.973192][ T5574] FAULT_INJECTION: forcing a failure. [ 425.973192][ T5574] name failslab, interval 1, probability 0, space 0, times 0 [ 425.985796][ T5574] CPU: 0 PID: 5574 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 425.997488][ T5574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.007528][ T5574] Call Trace: [ 426.010796][ T5574] dump_stack_lvl+0x1e2/0x24b [ 426.015447][ T5574] ? bfq_pos_tree_add_move+0x43e/0x43e [ 426.020877][ T5574] ? serial8250_console_write+0xae0/0xe60 [ 426.026569][ T5574] ? record_print_text+0x266/0x420 [ 426.031651][ T5574] dump_stack+0x15/0x17 [ 426.035785][ T5574] should_fail+0x3c0/0x510 [ 426.040175][ T5574] ? __kernfs_new_node+0x99/0x6e0 [ 426.045169][ T5574] __should_failslab+0x9f/0xe0 [ 426.049903][ T5574] should_failslab+0x9/0x20 [ 426.054376][ T5574] __kmalloc_track_caller+0x5f/0x350 [ 426.059631][ T5574] kstrdup_const+0x55/0x90 [ 426.064100][ T5574] __kernfs_new_node+0x99/0x6e0 [ 426.068937][ T5574] ? stack_trace_save+0x1f0/0x1f0 [ 426.073966][ T5574] ? kernfs_new_node+0x170/0x170 [ 426.078890][ T5574] ? ptr_to_hashval+0x60/0x60 [ 426.083541][ T5574] ? snprintf+0xd6/0x120 [ 426.087768][ T5574] kernfs_new_node+0x97/0x170 [ 426.092421][ T5574] __kernfs_create_file+0x4a/0x270 [ 426.097521][ T5574] cgroup_addrm_files+0xab8/0xfe0 [ 426.102526][ T5574] ? cgroup_apply_control_enable+0x734/0x12e0 [ 426.108562][ T5574] ? cgroup_apply_control+0x93/0x710 [ 426.113816][ T5574] ? cgroup_subtree_control_write+0xd19/0x1310 [ 426.119941][ T5574] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 426.126072][ T5574] ? delete_node+0x759/0x7b0 [ 426.130657][ T5574] ? __kasan_check_read+0x11/0x20 [ 426.135663][ T5574] ? delete_node+0x759/0x7b0 [ 426.140226][ T5574] ? __kasan_check_write+0x14/0x20 [ 426.145307][ T5574] ? __radix_tree_replace+0x246/0x2e0 [ 426.150652][ T5574] ? idr_get_next+0x4b0/0x4b0 [ 426.155301][ T5574] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 426.160308][ T5574] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 426.165480][ T5574] css_populate_dir+0x137/0x370 [ 426.170391][ T5574] cgroup_apply_control_enable+0x629/0x12e0 [ 426.176275][ T5574] cgroup_apply_control+0x93/0x710 [ 426.181356][ T5574] ? css_next_child+0x160/0x160 [ 426.186188][ T5574] ? stack_trace_save+0x12d/0x1f0 [ 426.191189][ T5574] ? io_schedule+0x120/0x120 [ 426.195847][ T5574] ? kernfs_fop_write_iter+0x15e/0x410 [ 426.201304][ T5574] ? __kasan_check_write+0x14/0x20 [ 426.206393][ T5574] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 426.211652][ T5574] cgroup_subtree_control_write+0xd19/0x1310 [ 426.217609][ T5574] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 426.223580][ T5574] ? __kasan_check_write+0x14/0x20 [ 426.228664][ T5574] ? _copy_from_iter+0x3fb/0xd60 [ 426.233571][ T5574] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 426.239528][ T5574] cgroup_file_write+0x28e/0x590 [ 426.244440][ T5574] ? cgroup_seqfile_stop+0xc0/0xc0 [ 426.249521][ T5574] ? mutex_lock+0xa6/0x110 [ 426.253911][ T5574] ? mutex_trylock+0xb0/0xb0 [ 426.258473][ T5574] ? __kasan_check_write+0x14/0x20 [ 426.263557][ T5574] kernfs_fop_write_iter+0x2d0/0x410 [ 426.268816][ T5574] ? cgroup_seqfile_stop+0xc0/0xc0 [ 426.273897][ T5574] vfs_write+0xc1c/0xf40 [ 426.278109][ T5574] ? slab_free_freelist_hook+0xcc/0x1a0 [ 426.283627][ T5574] ? kernel_write+0x3c0/0x3c0 [ 426.288275][ T5574] ? do_sys_openat2+0x397/0x470 [ 426.293114][ T5574] ? __kasan_check_read+0x11/0x20 [ 426.298112][ T5574] ? __fdget_pos+0x27e/0x310 [ 426.302674][ T5574] ksys_write+0x198/0x2c0 [ 426.306978][ T5574] ? __ia32_sys_read+0x90/0x90 [ 426.311711][ T5574] ? debug_smp_processor_id+0x17/0x20 [ 426.317051][ T5574] __x64_sys_write+0x7b/0x90 [ 426.321612][ T5574] do_syscall_64+0x34/0x70 [ 426.325999][ T5574] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 426.331862][ T5574] RIP: 0033:0x7f20e245dc09 [ 426.336266][ T5574] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 426.355846][ T5574] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 426.364230][ T5574] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 426.372178][ T5574] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 426.380131][ T5574] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 426.388077][ T5574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 426.396022][ T5574] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000003 [ 426.404150][ T5574] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 426.411184][ T5574] !!!! control_disable control_disable ss name cpu [ 426.417680][ T5574] !!!! control_disable control_disable ss name memory [ 426.424415][ T5574] !!!! control_disable control_disable ss name pids [ 426.431025][ T5574] !!!! control_disable kill_css(ffff88810ff73800) [ 426.437560][ T5574] !!!! control_disable control_disable ss name cpu [ 426.444072][ T5574] !!!! control_disable control_disable ss name memory [ 426.450851][ T5574] !!!! control_disable control_disable ss name pids [ 426.457443][ T5574] !!!! control_disable kill_css(ffff88810ff71400) [ 426.463952][ T5574] !!!! control_disable control_disable ss name cpu [ 426.470447][ T5574] !!!! control_disable control_disable ss name memory [ 426.477203][ T5574] !!!! control_disable control_disable ss name pids [ 426.483760][ T5574] !!!! control_disable kill_css(ffff88810ff72800) [ 426.490450][ T5574] !!!! control_disable control_disable ss name cpu [ 426.497068][ T5574] !!!! control_disable control_disable ss name memory [ 426.503810][ T5574] !!!! control_disable control_disable ss name cpu [ 426.510312][ T5574] !!!! control_disable control_disable ss name memory [ 426.517077][ T5574] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 426.523544][ T5574] !!!! control_disable control_disable ss name memory [ 426.530297][ T5574] !!!! control_disable control_disable ss name cpu [ 426.536788][ T5574] !!!! control_disable control_disable ss name memory [ 426.543516][ T5574] !!!! control_disable control_disable ss name pids [ 426.550115][ T5574] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 426.574930][ C0] !!!! css_killed_ref_fn enqueue(ffff88810ff73800) [ 426.581572][ T5533] !!!! css_killed_work_fn css_put(ffff88810ff73800) [ 426.588246][ T5533] !!!! css_release enqueue(ffff88810ff73800) [ 426.594363][ C0] !!!! css_killed_ref_fn enqueue(ffff88810ff71400) [ 426.600989][ C0] !!!! css_killed_ref_fn enqueue(ffff88810ff72800) [ 426.607615][ T5533] !!!! css_killed_work_fn css_put(ffff88810ff71400) [ 426.614265][ T5533] !!!! css_release enqueue(ffff88810ff71400) [ 426.620445][ T5533] !!!! css_killed_work_fn css_put(ffff88810ff72800) [ 426.627167][ T5533] !!!! css_release enqueue(ffff88810ff72800) [ 426.633255][ T5578] !!!! css_create css ffff88811971ec00 !!!! [ 426.639264][ T5578] !!!! css_create css ffff88811971f800 !!!! [ 426.645265][ T5578] !!!! css_create css ffff88811971d400 !!!! [ 426.651208][ T5578] FAULT_INJECTION: forcing a failure. [ 426.651208][ T5578] name failslab, interval 1, probability 0, space 0, times 0 [ 426.663959][ T5578] CPU: 0 PID: 5578 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 426.675638][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.685666][ T5578] Call Trace: [ 426.688933][ T5578] dump_stack_lvl+0x1e2/0x24b [ 426.693583][ T5578] ? bfq_pos_tree_add_move+0x43e/0x43e [ 426.699014][ T5578] ? find_next_bit+0xd6/0x120 [ 426.703659][ T5578] ? cpumask_next+0x11/0x30 [ 426.708131][ T5578] dump_stack+0x15/0x17 [ 426.712270][ T5578] should_fail+0x3c0/0x510 [ 426.716658][ T5578] ? percpu_ref_init+0xd0/0x330 [ 426.721494][ T5578] __should_failslab+0x9f/0xe0 [ 426.726234][ T5578] should_failslab+0x9/0x20 [ 426.730708][ T5578] kmem_cache_alloc_trace+0x3a/0x330 [ 426.735962][ T5578] percpu_ref_init+0xd0/0x330 [ 426.740612][ T5578] ? cgroup_setup_root+0xea0/0xea0 [ 426.745696][ T5578] cgroup_apply_control_enable+0x734/0x12e0 [ 426.751572][ T5578] cgroup_apply_control+0x93/0x710 [ 426.756654][ T5578] ? css_next_child+0x160/0x160 [ 426.761476][ T5578] ? stack_trace_save+0x12d/0x1f0 [ 426.766470][ T5578] ? io_schedule+0x120/0x120 [ 426.771039][ T5578] ? kernfs_fop_write_iter+0x15e/0x410 [ 426.776472][ T5578] ? __kasan_check_write+0x14/0x20 [ 426.781554][ T5578] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 426.786826][ T5578] cgroup_subtree_control_write+0xd19/0x1310 [ 426.792801][ T5578] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 426.798752][ T5578] ? __kasan_check_write+0x14/0x20 [ 426.803838][ T5578] ? _copy_from_iter+0x3fb/0xd60 [ 426.808748][ T5578] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 426.814699][ T5578] cgroup_file_write+0x28e/0x590 [ 426.819606][ T5578] ? cgroup_seqfile_stop+0xc0/0xc0 [ 426.824690][ T5578] ? mutex_lock+0xa6/0x110 [ 426.829081][ T5578] ? mutex_trylock+0xb0/0xb0 [ 426.833668][ T5578] ? __kasan_check_write+0x14/0x20 [ 426.838754][ T5578] kernfs_fop_write_iter+0x2d0/0x410 [ 426.844014][ T5578] ? cgroup_seqfile_stop+0xc0/0xc0 [ 426.849096][ T5578] vfs_write+0xc1c/0xf40 [ 426.853400][ T5578] ? slab_free_freelist_hook+0xcc/0x1a0 [ 426.858933][ T5578] ? kernel_write+0x3c0/0x3c0 [ 426.863581][ T5578] ? do_sys_openat2+0x397/0x470 [ 426.868407][ T5578] ? __kasan_check_read+0x11/0x20 [ 426.873417][ T5578] ? __fdget_pos+0x27e/0x310 [ 426.877979][ T5578] ksys_write+0x198/0x2c0 [ 426.882284][ T5578] ? __ia32_sys_read+0x90/0x90 [ 426.887020][ T5578] ? debug_smp_processor_id+0x17/0x20 [ 426.892375][ T5578] __x64_sys_write+0x7b/0x90 [ 426.896949][ T5578] do_syscall_64+0x34/0x70 [ 426.901344][ T5578] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 426.907210][ T5578] RIP: 0033:0x7f20e245dc09 [ 426.911601][ T5578] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 426.931191][ T5578] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 426.939586][ T5578] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 426.947536][ T5578] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 426.955499][ T5578] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 426.963538][ T5578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 426.971489][ T5578] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000004 [ 426.979561][ T5578] !!!! css_create rcu_enqueue(ffff88811971d400) !!!! [ 426.986329][ T5578] !!!! control_disable control_disable ss name cpu [ 426.992851][ T5578] !!!! control_disable control_disable ss name memory [ 426.999655][ T5578] !!!! control_disable control_disable ss name pids [ 427.006278][ T5578] !!!! control_disable kill_css(ffff88811971ec00) [ 427.012814][ T5578] !!!! control_disable control_disable ss name cpu [ 427.019357][ T5578] !!!! control_disable control_disable ss name memory [ 427.026179][ T5578] !!!! control_disable control_disable ss name pids [ 427.032769][ T5578] !!!! control_disable kill_css(ffff88811971f800) [ 427.039350][ T5578] !!!! control_disable control_disable ss name cpu [ 427.045862][ C1] !!!! css_killed_ref_fn enqueue(ffff88811971ec00) [ 427.052465][ T5578] !!!! control_disable control_disable ss name memory [ 427.059230][ T5578] !!!! control_disable control_disable ss name cpu [ 427.065732][ T5578] !!!! control_disable control_disable ss name memory [ 427.072462][ T5578] !!!! control_disable control_disable ss name cpu [ 427.078972][ T5578] !!!! control_disable control_disable ss name memory [ 427.085835][ T5578] !!!! control_disable control_disable ss name cpu [ 427.092310][ T5578] !!!! control_disable control_disable ss name memory [ 427.099084][ T5578] !!!! control_disable control_disable ss name cpu [ 427.105592][ T5578] !!!! control_disable control_disable ss name memory [ 427.112329][ T5578] !!!! control_disable control_disable ss name pids [ 427.118935][ T5578] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 427.125479][ T5528] !!!! css_killed_work_fn css_put(ffff88811971ec00) [ 427.132145][ T5528] !!!! css_release enqueue(ffff88811971ec00) [ 427.139377][ C1] !!!! css_killed_ref_fn enqueue(ffff88811971f800) [ 427.146075][ T5528] !!!! css_killed_work_fn css_put(ffff88811971f800) [ 427.152733][ T5528] !!!! css_release enqueue(ffff88811971f800) [ 427.158945][ T5580] !!!! css_create css ffff88811971cc00 !!!! [ 427.164853][ T5580] !!!! css_create css ffff88811971f400 !!!! [ 427.170987][ T5580] !!!! css_create css ffff88811971d800 !!!! [ 427.176970][ T5580] FAULT_INJECTION: forcing a failure. [ 427.176970][ T5580] name failslab, interval 1, probability 0, space 0, times 0 [ 427.189655][ T5580] CPU: 0 PID: 5580 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 427.201350][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.211375][ T5580] Call Trace: [ 427.214641][ T5580] dump_stack_lvl+0x1e2/0x24b [ 427.219289][ T5580] ? bfq_pos_tree_add_move+0x43e/0x43e [ 427.224717][ T5580] dump_stack+0x15/0x17 [ 427.228843][ T5580] should_fail+0x3c0/0x510 [ 427.233228][ T5580] ? __kernfs_new_node+0x99/0x6e0 [ 427.238222][ T5580] __should_failslab+0x9f/0xe0 [ 427.242957][ T5580] should_failslab+0x9/0x20 [ 427.247429][ T5580] __kmalloc_track_caller+0x5f/0x350 [ 427.252686][ T5580] kstrdup_const+0x55/0x90 [ 427.257089][ T5580] __kernfs_new_node+0x99/0x6e0 [ 427.261912][ T5580] ? stack_trace_save+0x1f0/0x1f0 [ 427.266913][ T5580] ? kernfs_new_node+0x170/0x170 [ 427.271828][ T5580] ? ptr_to_hashval+0x60/0x60 [ 427.276481][ T5580] ? snprintf+0xd6/0x120 [ 427.280701][ T5580] kernfs_new_node+0x97/0x170 [ 427.285350][ T5580] __kernfs_create_file+0x4a/0x270 [ 427.290433][ T5580] cgroup_addrm_files+0xab8/0xfe0 [ 427.295432][ T5580] ? cgroup_apply_control_enable+0x734/0x12e0 [ 427.301471][ T5580] ? cgroup_apply_control+0x93/0x710 [ 427.306727][ T5580] ? cgroup_subtree_control_write+0xd19/0x1310 [ 427.312851][ T5580] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 427.318982][ T5580] ? delete_node+0x759/0x7b0 [ 427.323542][ T5580] ? __kasan_check_read+0x11/0x20 [ 427.328536][ T5580] ? delete_node+0x759/0x7b0 [ 427.333094][ T5580] ? __kasan_check_write+0x14/0x20 [ 427.338175][ T5580] ? __radix_tree_replace+0x246/0x2e0 [ 427.343516][ T5580] ? idr_get_next+0x4b0/0x4b0 [ 427.348160][ T5580] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 427.353164][ T5580] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 427.358334][ T5580] css_populate_dir+0x137/0x370 [ 427.363153][ T5580] cgroup_apply_control_enable+0x629/0x12e0 [ 427.369015][ T5580] cgroup_apply_control+0x93/0x710 [ 427.374096][ T5580] ? css_next_child+0x160/0x160 [ 427.378913][ T5580] ? stack_trace_save+0x12d/0x1f0 [ 427.383919][ T5580] ? io_schedule+0x120/0x120 [ 427.388502][ T5580] ? kernfs_fop_write_iter+0x15e/0x410 [ 427.393932][ T5580] ? __kasan_check_write+0x14/0x20 [ 427.399012][ T5580] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 427.404277][ T5580] cgroup_subtree_control_write+0xd19/0x1310 [ 427.410224][ T5580] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 427.416173][ T5580] ? __kasan_check_write+0x14/0x20 [ 427.421265][ T5580] ? _copy_from_iter+0x3fb/0xd60 [ 427.426169][ T5580] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 427.432122][ T5580] cgroup_file_write+0x28e/0x590 [ 427.437033][ T5580] ? cgroup_seqfile_stop+0xc0/0xc0 [ 427.442111][ T5580] ? mutex_lock+0xa6/0x110 [ 427.446514][ T5580] ? mutex_trylock+0xb0/0xb0 [ 427.451073][ T5580] ? __kasan_check_write+0x14/0x20 [ 427.456152][ T5580] kernfs_fop_write_iter+0x2d0/0x410 [ 427.461414][ T5580] ? cgroup_seqfile_stop+0xc0/0xc0 [ 427.466497][ T5580] vfs_write+0xc1c/0xf40 [ 427.470706][ T5580] ? slab_free_freelist_hook+0xcc/0x1a0 [ 427.476224][ T5580] ? kernel_write+0x3c0/0x3c0 [ 427.480870][ T5580] ? do_sys_openat2+0x397/0x470 [ 427.485687][ T5580] ? __kasan_check_read+0x11/0x20 [ 427.490680][ T5580] ? __fdget_pos+0x27e/0x310 [ 427.495239][ T5580] ksys_write+0x198/0x2c0 [ 427.499547][ T5580] ? __ia32_sys_read+0x90/0x90 [ 427.504283][ T5580] ? debug_smp_processor_id+0x17/0x20 [ 427.509623][ T5580] __x64_sys_write+0x7b/0x90 [ 427.514195][ T5580] do_syscall_64+0x34/0x70 [ 427.518582][ T5580] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 427.524440][ T5580] RIP: 0033:0x7f20e245dc09 [ 427.528829][ T5580] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 427.548413][ T5580] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 427.556796][ T5580] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 427.564737][ T5580] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 427.572690][ T5580] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 427.580642][ T5580] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 427.588631][ T5580] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000004 [ 427.596883][ T5580] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 427.603981][ T5580] !!!! control_disable control_disable ss name cpu [ 427.610578][ T5580] !!!! control_disable control_disable ss name memory [ 427.617487][ T5580] !!!! control_disable control_disable ss name pids [ 427.624072][ T5580] !!!! control_disable kill_css(ffff88811971cc00) [ 427.630733][ T5580] !!!! control_disable control_disable ss name cpu [ 427.637283][ T5580] !!!! control_disable control_disable ss name memory [ 427.644076][ T5580] !!!! control_disable control_disable ss name pids [ 427.650749][ T5580] !!!! control_disable kill_css(ffff88811971f400) [ 427.657281][ C1] !!!! css_killed_ref_fn enqueue(ffff88811971cc00) [ 427.657362][ T5580] !!!! control_disable control_disable ss name cpu [ 427.670384][ T5580] !!!! control_disable control_disable ss name memory [ 427.677171][ T5580] !!!! control_disable control_disable ss name pids [ 427.683739][ T5580] !!!! control_disable kill_css(ffff88811971d800) [ 427.690258][ T5580] !!!! control_disable control_disable ss name cpu [ 427.696841][ T5580] !!!! control_disable control_disable ss name memory [ 427.703576][ T5580] !!!! control_disable control_disable ss name cpu [ 427.710072][ T5580] !!!! control_disable control_disable ss name memory [ 427.716833][ T5580] !!!! control_disable control_disable ss name cpu [ 427.723318][ T5580] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 427.730078][ T5580] !!!! control_disable control_disable ss name cpu [ 427.736575][ T5580] !!!! control_disable control_disable ss name memory [ 427.743306][ T5580] !!!! control_disable control_disable ss name pids [ 427.749895][ T5580] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 427.751366][ T5528] !!!! css_killed_work_fn css_put(ffff88811971cc00) [ 427.763090][ T5528] !!!! css_release enqueue(ffff88811971cc00) [ 427.766041][ C0] !!!! css_killed_ref_fn enqueue(ffff88811971f400) [ 427.775805][ T5533] !!!! css_killed_work_fn css_put(ffff88811971f400) [ 427.782459][ T5533] !!!! css_release enqueue(ffff88811971f400) [ 427.788521][ C0] !!!! css_killed_ref_fn enqueue(ffff88811971d800) [ 427.795234][ T5533] !!!! css_killed_work_fn css_put(ffff88811971d800) [ 427.801900][ T5533] !!!! css_release enqueue(ffff88811971d800) [ 427.808127][ T5572] !!!! css_create css ffff8881071cac00 !!!! [ 427.814101][ T5572] !!!! css_create css ffff8881156b3c00 !!!! [ 427.820090][ T5572] !!!! css_create css ffff8881156b0400 !!!! [ 427.826065][ T5572] FAULT_INJECTION: forcing a failure. [ 427.826065][ T5572] name failslab, interval 1, probability 0, space 0, times 0 [ 427.838824][ T5572] CPU: 1 PID: 5572 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 427.850530][ T5572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.860567][ T5572] Call Trace: [ 427.863833][ T5572] dump_stack_lvl+0x1e2/0x24b [ 427.868481][ T5572] ? bfq_pos_tree_add_move+0x43e/0x43e [ 427.873912][ T5572] ? find_next_bit+0xd6/0x120 [ 427.878567][ T5572] ? cpumask_next+0x11/0x30 [ 427.883041][ T5572] dump_stack+0x15/0x17 [ 427.887167][ T5572] should_fail+0x3c0/0x510 [ 427.891565][ T5572] ? percpu_ref_init+0xd0/0x330 [ 427.896406][ T5572] __should_failslab+0x9f/0xe0 [ 427.901143][ T5572] should_failslab+0x9/0x20 [ 427.905628][ T5572] kmem_cache_alloc_trace+0x3a/0x330 [ 427.910890][ T5572] percpu_ref_init+0xd0/0x330 [ 427.915545][ T5572] ? cgroup_setup_root+0xea0/0xea0 [ 427.920641][ T5572] cgroup_apply_control_enable+0x734/0x12e0 [ 427.926524][ T5572] cgroup_apply_control+0x93/0x710 [ 427.931624][ T5572] ? css_next_child+0x160/0x160 [ 427.936448][ T5572] ? stack_trace_save+0x12d/0x1f0 [ 427.941446][ T5572] ? io_schedule+0x120/0x120 [ 427.946012][ T5572] ? kernfs_fop_write_iter+0x15e/0x410 [ 427.951445][ T5572] ? __kasan_check_write+0x14/0x20 [ 427.956529][ T5572] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 427.961788][ T5572] cgroup_subtree_control_write+0xd19/0x1310 [ 427.967740][ T5572] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 427.973692][ T5572] ? __kasan_check_write+0x14/0x20 [ 427.978775][ T5572] ? _copy_from_iter+0x3fb/0xd60 [ 427.983682][ T5572] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 427.989635][ T5572] cgroup_file_write+0x28e/0x590 [ 427.994542][ T5572] ? cgroup_seqfile_stop+0xc0/0xc0 [ 427.999626][ T5572] ? mutex_lock+0xa6/0x110 [ 428.004012][ T5572] ? mutex_trylock+0xb0/0xb0 [ 428.008588][ T5572] ? __kasan_check_write+0x14/0x20 [ 428.013670][ T5572] kernfs_fop_write_iter+0x2d0/0x410 [ 428.018925][ T5572] ? cgroup_seqfile_stop+0xc0/0xc0 [ 428.024015][ T5572] vfs_write+0xc1c/0xf40 [ 428.028235][ T5572] ? slab_free_freelist_hook+0xcc/0x1a0 [ 428.033760][ T5572] ? kernel_write+0x3c0/0x3c0 [ 428.038415][ T5572] ? do_sys_openat2+0x397/0x470 [ 428.043239][ T5572] ? __kasan_check_read+0x11/0x20 [ 428.048235][ T5572] ? __fdget_pos+0x27e/0x310 [ 428.052798][ T5572] ksys_write+0x198/0x2c0 [ 428.057108][ T5572] ? __ia32_sys_read+0x90/0x90 [ 428.061846][ T5572] ? debug_smp_processor_id+0x17/0x20 [ 428.067194][ T5572] __x64_sys_write+0x7b/0x90 [ 428.071753][ T5572] do_syscall_64+0x34/0x70 [ 428.076142][ T5572] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 428.082010][ T5572] RIP: 0033:0x7f20e245dc09 [ 428.086403][ T5572] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 428.105993][ T5572] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 428.114396][ T5572] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 428.122347][ T5572] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 428.130291][ T5572] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 428.138234][ T5572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 428.146177][ T5572] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000004 [ 428.154318][ T5572] !!!! css_create rcu_enqueue(ffff8881156b0400) !!!! [ 428.161074][ T5572] !!!! control_disable control_disable ss name cpu [ 428.167629][ T5572] !!!! control_disable control_disable ss name memory [ 428.174414][ T5572] !!!! control_disable control_disable ss name pids [ 428.181144][ T5572] !!!! control_disable kill_css(ffff8881071cac00) [ 428.187769][ T5572] !!!! control_disable control_disable ss name cpu [ 428.194266][ T5572] !!!! control_disable control_disable ss name memory [ 428.201077][ T5572] !!!! control_disable control_disable ss name pids [ 428.207708][ T5572] !!!! control_disable kill_css(ffff8881156b3c00) [ 428.214252][ T5572] !!!! control_disable control_disable ss name cpu [ 428.220788][ T5572] !!!! control_disable control_disable ss name memory [ 428.224909][ C0] !!!! css_killed_ref_fn enqueue(ffff8881071cac00) [ 428.227554][ T5572] !!!! control_disable control_disable ss name cpu [ 428.240602][ T5572] !!!! control_disable control_disable ss name memory [ 428.247348][ T5572] !!!! control_disable control_disable ss name cpu [ 428.253819][ T5572] !!!! control_disable control_disable ss name memory [ 428.260574][ T5572] !!!! control_disable control_disable ss name cpu [ 428.267075][ T5572] !!!! control_disable control_disable ss name memory [ 428.273814][ T5572] !!!! control_disable control_disable ss name cpu [ 428.280314][ T5572] !!!! control_disable control_disable ss name memory [ 428.287100][ T5572] !!!! control_disable control_disable ss name pids [ 428.293735][ T5572] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 428.293791][ T5533] !!!! css_killed_work_fn css_put(ffff8881071cac00) [ 428.302103][ C1] !!!! css_killed_ref_fn enqueue(ffff8881156b3c00) [ 428.306974][ T5533] !!!! css_release enqueue(ffff8881071cac00) [ 428.319760][ T5529] !!!! css_killed_work_fn css_put(ffff8881156b3c00) [ 428.326511][ T5529] !!!! css_release enqueue(ffff8881156b3c00) [ 428.332657][ T5583] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 428.332816][ T5585] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 428.339237][ T5582] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 428.346115][ T5585] !!!! css_create css ffff8881156b2c00 !!!! [ 428.358193][ T5585] !!!! css_create css ffff8881156b3800 !!!! [ 428.364093][ T5585] !!!! css_create css ffff8881156b1400 !!!! [ 428.370132][ T5585] FAULT_INJECTION: forcing a failure. [ 428.370132][ T5585] name failslab, interval 1, probability 0, space 0, times 0 [ 428.382865][ T5585] CPU: 1 PID: 5585 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 428.394549][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.404577][ T5585] Call Trace: [ 428.407844][ T5585] dump_stack_lvl+0x1e2/0x24b [ 428.412512][ T5585] ? bfq_pos_tree_add_move+0x43e/0x43e [ 428.417942][ T5585] ? find_next_bit+0xd6/0x120 [ 428.422587][ T5585] ? cpumask_next+0x11/0x30 [ 428.427077][ T5585] dump_stack+0x15/0x17 [ 428.431203][ T5585] should_fail+0x3c0/0x510 [ 428.435593][ T5585] ? percpu_ref_init+0xd0/0x330 [ 428.440417][ T5585] __should_failslab+0x9f/0xe0 [ 428.445152][ T5585] should_failslab+0x9/0x20 [ 428.449628][ T5585] kmem_cache_alloc_trace+0x3a/0x330 [ 428.454888][ T5585] percpu_ref_init+0xd0/0x330 [ 428.459544][ T5585] ? cgroup_setup_root+0xea0/0xea0 [ 428.464637][ T5585] cgroup_apply_control_enable+0x734/0x12e0 [ 428.470519][ T5585] cgroup_apply_control+0x93/0x710 [ 428.475608][ T5585] ? css_next_child+0x160/0x160 [ 428.480429][ T5585] ? stack_trace_save+0x12d/0x1f0 [ 428.485425][ T5585] ? io_schedule+0x120/0x120 [ 428.490001][ T5585] ? kernfs_fop_write_iter+0x15e/0x410 [ 428.495449][ T5585] ? __kasan_check_write+0x14/0x20 [ 428.500546][ T5585] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 428.505822][ T5585] cgroup_subtree_control_write+0xd19/0x1310 [ 428.511782][ T5585] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 428.517748][ T5585] ? __kasan_check_write+0x14/0x20 [ 428.522842][ T5585] ? _copy_from_iter+0x3fb/0xd60 [ 428.527761][ T5585] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 428.533721][ T5585] cgroup_file_write+0x28e/0x590 [ 428.538643][ T5585] ? cgroup_seqfile_stop+0xc0/0xc0 [ 428.543726][ T5585] ? mutex_lock+0xa6/0x110 [ 428.548115][ T5585] ? mutex_trylock+0xb0/0xb0 [ 428.552677][ T5585] ? __kasan_check_write+0x14/0x20 [ 428.557757][ T5585] kernfs_fop_write_iter+0x2d0/0x410 [ 428.563014][ T5585] ? cgroup_seqfile_stop+0xc0/0xc0 [ 428.568100][ T5585] vfs_write+0xc1c/0xf40 [ 428.572314][ T5585] ? slab_free_freelist_hook+0xcc/0x1a0 [ 428.577838][ T5585] ? kernel_write+0x3c0/0x3c0 [ 428.582497][ T5585] ? do_sys_openat2+0x397/0x470 [ 428.587318][ T5585] ? __kasan_check_read+0x11/0x20 [ 428.592311][ T5585] ? __fdget_pos+0x27e/0x310 [ 428.596883][ T5585] ksys_write+0x198/0x2c0 [ 428.601189][ T5585] ? __ia32_sys_read+0x90/0x90 [ 428.605924][ T5585] ? debug_smp_processor_id+0x17/0x20 [ 428.611269][ T5585] __x64_sys_write+0x7b/0x90 [ 428.615833][ T5585] do_syscall_64+0x34/0x70 [ 428.620220][ T5585] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 428.626088][ T5585] RIP: 0033:0x7f20e245dc09 [ 428.630477][ T5585] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 428.650052][ T5585] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 428.658433][ T5585] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 428.666380][ T5585] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 428.674330][ T5585] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 428.682276][ T5585] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 428.690225][ T5585] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000005 [ 428.698327][ T5585] !!!! css_create rcu_enqueue(ffff8881156b1400) !!!! [ 428.705088][ T5585] !!!! control_disable control_disable ss name cpu [ 428.711606][ T5585] !!!! control_disable control_disable ss name memory [ 428.718401][ T5585] !!!! control_disable control_disable ss name pids [ 428.725018][ T5585] !!!! control_disable kill_css(ffff8881156b2c00) [ 428.731555][ T5585] !!!! control_disable control_disable ss name cpu [ 428.738091][ T5585] !!!! control_disable control_disable ss name memory [ 428.744860][ T5585] !!!! control_disable control_disable ss name pids [ 428.751525][ T5585] !!!! control_disable kill_css(ffff8881156b3800) [ 428.758123][ T5585] !!!! control_disable control_disable ss name cpu [ 428.764662][ T5585] !!!! control_disable control_disable ss name memory [ 428.764704][ C1] !!!! css_killed_ref_fn enqueue(ffff8881156b2c00) [ 428.771642][ T5585] !!!! control_disable control_disable ss name cpu [ 428.784492][ T5585] !!!! control_disable control_disable ss name memory [ 428.791267][ T5585] !!!! control_disable control_disable ss name cpu [ 428.797766][ T5585] !!!! control_disable control_disable ss name memory [ 428.804503][ T5585] !!!! control_disable control_disable ss name cpu [ 428.811000][ T5585] !!!! control_disable control_disable ss name memory [ 428.817753][ T5585] !!!! control_disable control_disable ss name cpu [ 428.824221][ T5585] !!!! control_disable control_disable ss name memory [ 428.830978][ T5585] !!!! control_disable control_disable ss name pids write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 428.837613][ T5585] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 428.837643][ T5529] !!!! css_killed_work_fn css_put(ffff8881156b2c00) [ 428.850792][ C1] !!!! css_killed_ref_fn enqueue(ffff8881156b3800) [ 428.857499][ T5529] !!!! css_release enqueue(ffff8881156b2c00) [ 428.863567][ T5529] !!!! css_killed_work_fn css_put(ffff8881156b3800) [ 428.870406][ T5529] !!!! css_release enqueue(ffff8881156b3800) [ 428.876598][ T5583] !!!! css_create css ffff88810eb92c00 !!!! [ 428.882565][ T5583] !!!! css_create css ffff88810eb93c00 !!!! [ 428.888608][ T5583] !!!! css_create css ffff8881165a1800 !!!! [ 428.894533][ T5583] FAULT_INJECTION: forcing a failure. [ 428.894533][ T5583] name failslab, interval 1, probability 0, space 0, times 0 [ 428.907309][ T5583] CPU: 1 PID: 5583 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 428.918993][ T5583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.929020][ T5583] Call Trace: [ 428.932283][ T5583] dump_stack_lvl+0x1e2/0x24b [ 428.936931][ T5583] ? bfq_pos_tree_add_move+0x43e/0x43e [ 428.942356][ T5583] dump_stack+0x15/0x17 [ 428.946482][ T5583] should_fail+0x3c0/0x510 [ 428.950867][ T5583] ? __kernfs_new_node+0x99/0x6e0 [ 428.955864][ T5583] __should_failslab+0x9f/0xe0 [ 428.960599][ T5583] should_failslab+0x9/0x20 [ 428.965090][ T5583] __kmalloc_track_caller+0x5f/0x350 [ 428.970346][ T5583] kstrdup_const+0x55/0x90 [ 428.974732][ T5583] __kernfs_new_node+0x99/0x6e0 [ 428.979551][ T5583] ? stack_trace_save+0x1f0/0x1f0 [ 428.984558][ T5583] ? kernfs_new_node+0x170/0x170 [ 428.989476][ T5583] ? ptr_to_hashval+0x60/0x60 [ 428.994125][ T5583] ? snprintf+0xd6/0x120 [ 428.998337][ T5583] kernfs_new_node+0x97/0x170 [ 429.002991][ T5583] __kernfs_create_file+0x4a/0x270 [ 429.008072][ T5583] cgroup_addrm_files+0xab8/0xfe0 [ 429.013068][ T5583] ? cgroup_apply_control_enable+0x734/0x12e0 [ 429.019106][ T5583] ? cgroup_apply_control+0x93/0x710 [ 429.024356][ T5583] ? cgroup_subtree_control_write+0xd19/0x1310 [ 429.030482][ T5583] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 429.036618][ T5583] ? delete_node+0x759/0x7b0 [ 429.041182][ T5583] ? __kasan_check_read+0x11/0x20 [ 429.046178][ T5583] ? delete_node+0x759/0x7b0 [ 429.050742][ T5583] ? __kasan_check_write+0x14/0x20 [ 429.055821][ T5583] ? __radix_tree_replace+0x246/0x2e0 [ 429.061163][ T5583] ? idr_get_next+0x4b0/0x4b0 [ 429.065808][ T5583] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 429.070798][ T5583] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 429.075966][ T5583] css_populate_dir+0x137/0x370 [ 429.080789][ T5583] cgroup_apply_control_enable+0x629/0x12e0 [ 429.086652][ T5583] cgroup_apply_control+0x93/0x710 [ 429.091732][ T5583] ? css_next_child+0x160/0x160 [ 429.096553][ T5583] ? stack_trace_save+0x12d/0x1f0 [ 429.101548][ T5583] ? io_schedule+0x120/0x120 [ 429.106109][ T5583] ? kernfs_fop_write_iter+0x15e/0x410 [ 429.111537][ T5583] ? __kasan_check_write+0x14/0x20 [ 429.116619][ T5583] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 429.121874][ T5583] cgroup_subtree_control_write+0xd19/0x1310 [ 429.127828][ T5583] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 429.133778][ T5583] ? __kasan_check_write+0x14/0x20 [ 429.138872][ T5583] ? _copy_from_iter+0x3fb/0xd60 [ 429.143791][ T5583] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 429.149740][ T5583] cgroup_file_write+0x28e/0x590 [ 429.154654][ T5583] ? cgroup_seqfile_stop+0xc0/0xc0 [ 429.159743][ T5583] ? mutex_lock+0xa6/0x110 [ 429.164128][ T5583] ? mutex_trylock+0xb0/0xb0 [ 429.168693][ T5583] ? __kasan_check_write+0x14/0x20 [ 429.173785][ T5583] kernfs_fop_write_iter+0x2d0/0x410 [ 429.179039][ T5583] ? cgroup_seqfile_stop+0xc0/0xc0 [ 429.184123][ T5583] vfs_write+0xc1c/0xf40 [ 429.188336][ T5583] ? slab_free_freelist_hook+0xcc/0x1a0 [ 429.193853][ T5583] ? kernel_write+0x3c0/0x3c0 [ 429.198513][ T5583] ? do_sys_openat2+0x397/0x470 [ 429.203342][ T5583] ? __kasan_check_read+0x11/0x20 [ 429.208339][ T5583] ? __fdget_pos+0x27e/0x310 [ 429.212905][ T5583] ksys_write+0x198/0x2c0 [ 429.217210][ T5583] ? __ia32_sys_read+0x90/0x90 [ 429.221973][ T5583] ? debug_smp_processor_id+0x17/0x20 [ 429.227321][ T5583] __x64_sys_write+0x7b/0x90 [ 429.231902][ T5583] do_syscall_64+0x34/0x70 [ 429.236293][ T5583] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 429.242171][ T5583] RIP: 0033:0x7f20e245dc09 [ 429.246585][ T5583] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 429.266174][ T5583] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 429.274625][ T5583] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 429.282592][ T5583] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 429.290556][ T5583] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 429.298509][ T5583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 429.306465][ T5583] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000005 [ 429.314546][ T5583] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 429.321656][ T5583] !!!! control_disable control_disable ss name cpu [ 429.328215][ T5583] !!!! control_disable control_disable ss name memory [ 429.335027][ T5583] !!!! control_disable control_disable ss name pids [ 429.341625][ T5583] !!!! control_disable kill_css(ffff88810eb92c00) [ 429.348214][ T5583] !!!! control_disable control_disable ss name cpu [ 429.354740][ T5583] !!!! control_disable control_disable ss name memory [ 429.361563][ T5583] !!!! control_disable control_disable ss name pids [ 429.368190][ T5583] !!!! control_disable kill_css(ffff88810eb93c00) [ 429.374761][ T5583] !!!! control_disable control_disable ss name cpu [ 429.381298][ T5583] !!!! control_disable control_disable ss name memory [ 429.384910][ C0] !!!! css_killed_ref_fn enqueue(ffff88810eb92c00) [ 429.388073][ T5583] !!!! control_disable control_disable ss name pids [ 429.401208][ T5583] !!!! control_disable kill_css(ffff8881165a1800) [ 429.407709][ T5583] !!!! control_disable control_disable ss name cpu [ 429.414182][ T5583] !!!! control_disable control_disable ss name memory [ 429.420937][ T5583] !!!! control_disable control_disable ss name cpu [ 429.427431][ T5583] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 429.434167][ T5583] !!!! control_disable control_disable ss name cpu [ 429.440656][ T5583] !!!! control_disable control_disable ss name memory [ 429.447411][ T5583] !!!! control_disable control_disable ss name cpu [ 429.453876][ T5583] !!!! control_disable control_disable ss name memory [ 429.460627][ T5583] !!!! control_disable control_disable ss name pids [ 429.467214][ T5583] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 429.473756][ T5533] !!!! css_killed_work_fn css_put(ffff88810eb92c00) [ 429.481084][ T5533] !!!! css_release enqueue(ffff88810eb92c00) [ 429.484961][ C1] !!!! css_killed_ref_fn enqueue(ffff88810eb93c00) [ 429.493737][ C1] !!!! css_killed_ref_fn enqueue(ffff8881165a1800) [ 429.500391][ T5529] !!!! css_killed_work_fn css_put(ffff88810eb93c00) [ 429.507071][ T5529] !!!! css_release enqueue(ffff88810eb93c00) [ 429.513133][ T5529] !!!! css_killed_work_fn css_put(ffff8881165a1800) [ 429.519814][ T5529] !!!! css_release enqueue(ffff8881165a1800) [ 429.525920][ T5582] !!!! css_create css ffff88810eafc400 !!!! [ 429.531914][ T5582] !!!! css_create css ffff88810eaff000 !!!! [ 429.537946][ T5582] !!!! css_create css ffff88810eafdc00 !!!! [ 429.543870][ T5582] FAULT_INJECTION: forcing a failure. [ 429.543870][ T5582] name failslab, interval 1, probability 0, space 0, times 0 [ 429.556648][ T5582] CPU: 0 PID: 5582 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 429.568338][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.578374][ T5582] Call Trace: [ 429.581678][ T5582] dump_stack_lvl+0x1e2/0x24b [ 429.586326][ T5582] ? bfq_pos_tree_add_move+0x43e/0x43e [ 429.591758][ T5582] ? find_next_bit+0xd6/0x120 [ 429.596417][ T5582] ? cpumask_next+0x11/0x30 [ 429.600890][ T5582] dump_stack+0x15/0x17 [ 429.605033][ T5582] should_fail+0x3c0/0x510 [ 429.609416][ T5582] ? percpu_ref_init+0xd0/0x330 [ 429.614235][ T5582] __should_failslab+0x9f/0xe0 [ 429.618967][ T5582] should_failslab+0x9/0x20 [ 429.623443][ T5582] kmem_cache_alloc_trace+0x3a/0x330 [ 429.628696][ T5582] percpu_ref_init+0xd0/0x330 [ 429.633345][ T5582] ? cgroup_setup_root+0xea0/0xea0 [ 429.638424][ T5582] cgroup_apply_control_enable+0x734/0x12e0 [ 429.644285][ T5582] cgroup_apply_control+0x93/0x710 [ 429.649375][ T5582] ? css_next_child+0x160/0x160 [ 429.654192][ T5582] ? stack_trace_save+0x12d/0x1f0 [ 429.659194][ T5582] ? io_schedule+0x120/0x120 [ 429.663789][ T5582] ? kernfs_fop_write_iter+0x15e/0x410 [ 429.669219][ T5582] ? __kasan_check_write+0x14/0x20 [ 429.674296][ T5582] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 429.679561][ T5582] cgroup_subtree_control_write+0xd19/0x1310 [ 429.685519][ T5582] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 429.691469][ T5582] ? __kasan_check_write+0x14/0x20 [ 429.696561][ T5582] ? _copy_from_iter+0x3fb/0xd60 [ 429.701480][ T5582] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 429.707429][ T5582] cgroup_file_write+0x28e/0x590 [ 429.712336][ T5582] ? cgroup_seqfile_stop+0xc0/0xc0 [ 429.717424][ T5582] ? mutex_lock+0xa6/0x110 [ 429.721807][ T5582] ? mutex_trylock+0xb0/0xb0 [ 429.726364][ T5582] ? __kasan_check_write+0x14/0x20 [ 429.731444][ T5582] kernfs_fop_write_iter+0x2d0/0x410 [ 429.736701][ T5582] ? cgroup_seqfile_stop+0xc0/0xc0 [ 429.741783][ T5582] vfs_write+0xc1c/0xf40 [ 429.745993][ T5582] ? slab_free_freelist_hook+0xcc/0x1a0 [ 429.751505][ T5582] ? kernel_write+0x3c0/0x3c0 [ 429.756160][ T5582] ? do_sys_openat2+0x397/0x470 [ 429.760982][ T5582] ? __kasan_check_read+0x11/0x20 [ 429.765975][ T5582] ? __fdget_pos+0x27e/0x310 [ 429.770533][ T5582] ksys_write+0x198/0x2c0 [ 429.774830][ T5582] ? __ia32_sys_read+0x90/0x90 [ 429.779565][ T5582] ? debug_smp_processor_id+0x17/0x20 [ 429.784905][ T5582] __x64_sys_write+0x7b/0x90 [ 429.789465][ T5582] do_syscall_64+0x34/0x70 [ 429.793855][ T5582] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 429.799715][ T5582] RIP: 0033:0x7f20e245dc09 [ 429.804102][ T5582] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 429.823678][ T5582] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 429.832059][ T5582] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 429.840002][ T5582] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 429.847945][ T5582] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 429.855888][ T5582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 429.863832][ T5582] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000004 [ 429.871941][ T5582] !!!! css_create rcu_enqueue(ffff88810eafdc00) !!!! [ 429.878726][ T5582] !!!! control_disable control_disable ss name cpu [ 429.885280][ T5582] !!!! control_disable control_disable ss name memory [ 429.892087][ T5582] !!!! control_disable control_disable ss name pids [ 429.898855][ T5582] !!!! control_disable kill_css(ffff88810eafc400) [ 429.905433][ T5582] !!!! control_disable control_disable ss name cpu [ 429.911973][ T5582] !!!! control_disable control_disable ss name memory [ 429.918811][ T5582] !!!! control_disable control_disable ss name pids [ 429.925499][ T5582] !!!! control_disable kill_css(ffff88810eaff000) [ 429.932073][ T5582] !!!! control_disable control_disable ss name cpu [ 429.938595][ T5582] !!!! control_disable control_disable ss name memory [ 429.945367][ T5582] !!!! control_disable control_disable ss name cpu [ 429.951856][ T5582] !!!! control_disable control_disable ss name memory [ 429.954932][ C0] !!!! css_killed_ref_fn enqueue(ffff88810eafc400) [ 429.958616][ T5582] !!!! control_disable control_disable ss name cpu [ 429.971637][ T5582] !!!! control_disable control_disable ss name memory [ 429.978405][ T5582] !!!! control_disable control_disable ss name cpu [ 429.984904][ T5582] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 429.991638][ T5582] !!!! control_disable control_disable ss name cpu [ 429.998178][ T5582] !!!! control_disable control_disable ss name memory [ 430.004933][ T5582] !!!! control_disable control_disable ss name pids [ 430.011502][ T5582] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 430.018118][ T5533] !!!! css_killed_work_fn css_put(ffff88810eafc400) [ 430.025408][ T5533] !!!! css_release enqueue(ffff88810eafc400) [ 430.034919][ C1] !!!! css_killed_ref_fn enqueue(ffff88810eaff000) [ 430.041549][ T5529] !!!! css_killed_work_fn css_put(ffff88810eaff000) [ 430.048239][ T5529] !!!! css_release enqueue(ffff88810eaff000) [ 430.054325][ T5588] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 430.054390][ T5581] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 430.060954][ T5586] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 430.067484][ T5581] !!!! css_create css ffff88810f02d000 !!!! [ 430.079784][ T5581] !!!! css_create css ffff88810f02c000 !!!! [ 430.085712][ T5581] !!!! css_create css ffff88810f02e000 !!!! [ 430.091600][ T5581] FAULT_INJECTION: forcing a failure. [ 430.091600][ T5581] name failslab, interval 1, probability 0, space 0, times 0 [ 430.104189][ T5581] CPU: 1 PID: 5581 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 430.115895][ T5581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.125922][ T5581] Call Trace: [ 430.129198][ T5581] dump_stack_lvl+0x1e2/0x24b [ 430.133853][ T5581] ? bfq_pos_tree_add_move+0x43e/0x43e [ 430.139301][ T5581] ? serial8250_console_write+0xae0/0xe60 [ 430.145005][ T5581] ? record_print_text+0x266/0x420 [ 430.150104][ T5581] dump_stack+0x15/0x17 [ 430.154249][ T5581] should_fail+0x3c0/0x510 [ 430.158637][ T5581] ? __kernfs_new_node+0x99/0x6e0 [ 430.163647][ T5581] __should_failslab+0x9f/0xe0 [ 430.168383][ T5581] should_failslab+0x9/0x20 [ 430.172858][ T5581] __kmalloc_track_caller+0x5f/0x350 [ 430.178114][ T5581] kstrdup_const+0x55/0x90 [ 430.182503][ T5581] __kernfs_new_node+0x99/0x6e0 [ 430.187336][ T5581] ? stack_trace_save+0x1f0/0x1f0 [ 430.192336][ T5581] ? kernfs_new_node+0x170/0x170 [ 430.197246][ T5581] ? ptr_to_hashval+0x60/0x60 [ 430.201907][ T5581] ? snprintf+0xd6/0x120 [ 430.206133][ T5581] kernfs_new_node+0x97/0x170 [ 430.210790][ T5581] __kernfs_create_file+0x4a/0x270 [ 430.215884][ T5581] cgroup_addrm_files+0xab8/0xfe0 [ 430.220886][ T5581] ? cgroup_apply_control_enable+0x734/0x12e0 [ 430.226939][ T5581] ? cgroup_apply_control+0x93/0x710 [ 430.232217][ T5581] ? cgroup_subtree_control_write+0xd19/0x1310 [ 430.238343][ T5581] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 430.244468][ T5581] ? delete_node+0x759/0x7b0 [ 430.249034][ T5581] ? __kasan_check_read+0x11/0x20 [ 430.254029][ T5581] ? delete_node+0x759/0x7b0 [ 430.258603][ T5581] ? __kasan_check_write+0x14/0x20 [ 430.263691][ T5581] ? __radix_tree_replace+0x246/0x2e0 [ 430.269038][ T5581] ? idr_get_next+0x4b0/0x4b0 [ 430.273706][ T5581] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 430.278701][ T5581] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 430.283871][ T5581] css_populate_dir+0x137/0x370 [ 430.288694][ T5581] cgroup_apply_control_enable+0x629/0x12e0 [ 430.294566][ T5581] cgroup_apply_control+0x93/0x710 [ 430.299655][ T5581] ? css_next_child+0x160/0x160 [ 430.304481][ T5581] ? stack_trace_save+0x12d/0x1f0 [ 430.309491][ T5581] ? io_schedule+0x120/0x120 [ 430.314057][ T5581] ? kernfs_fop_write_iter+0x15e/0x410 [ 430.319501][ T5581] ? __kasan_check_write+0x14/0x20 [ 430.324585][ T5581] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 430.329842][ T5581] cgroup_subtree_control_write+0xd19/0x1310 [ 430.335797][ T5581] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 430.341752][ T5581] ? __kasan_check_write+0x14/0x20 [ 430.346923][ T5581] ? _copy_from_iter+0x3fb/0xd60 [ 430.351831][ T5581] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 430.357781][ T5581] cgroup_file_write+0x28e/0x590 [ 430.362688][ T5581] ? cgroup_seqfile_stop+0xc0/0xc0 [ 430.367771][ T5581] ? mutex_lock+0xa6/0x110 [ 430.372165][ T5581] ? mutex_trylock+0xb0/0xb0 [ 430.376731][ T5581] ? __kasan_check_write+0x14/0x20 [ 430.381831][ T5581] kernfs_fop_write_iter+0x2d0/0x410 [ 430.387089][ T5581] ? cgroup_seqfile_stop+0xc0/0xc0 [ 430.392172][ T5581] vfs_write+0xc1c/0xf40 [ 430.396386][ T5581] ? slab_free_freelist_hook+0xcc/0x1a0 [ 430.401905][ T5581] ? kernel_write+0x3c0/0x3c0 [ 430.406562][ T5581] ? do_sys_openat2+0x397/0x470 [ 430.411389][ T5581] ? __kasan_check_read+0x11/0x20 [ 430.416393][ T5581] ? __fdget_pos+0x27e/0x310 [ 430.420957][ T5581] ksys_write+0x198/0x2c0 [ 430.425261][ T5581] ? __ia32_sys_read+0x90/0x90 [ 430.430008][ T5581] ? debug_smp_processor_id+0x17/0x20 [ 430.435350][ T5581] __x64_sys_write+0x7b/0x90 [ 430.439913][ T5581] do_syscall_64+0x34/0x70 [ 430.444302][ T5581] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 430.450169][ T5581] RIP: 0033:0x7f20e245dc09 [ 430.454577][ T5581] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 430.474266][ T5581] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 430.482672][ T5581] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 430.490636][ T5581] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 430.498611][ T5581] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 430.506571][ T5581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 430.514534][ T5581] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000005 [ 430.522642][ T5581] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 430.529733][ T5581] !!!! control_disable control_disable ss name cpu [ 430.536260][ T5581] !!!! control_disable control_disable ss name memory [ 430.542992][ T5581] !!!! control_disable control_disable ss name pids [ 430.549572][ T5581] !!!! control_disable kill_css(ffff88810f02d000) [ 430.556105][ T5581] !!!! control_disable control_disable ss name cpu [ 430.562581][ T5581] !!!! control_disable control_disable ss name memory [ 430.569378][ T5581] !!!! control_disable control_disable ss name pids [ 430.575970][ T5581] !!!! control_disable kill_css(ffff88810f02c000) [ 430.582478][ T5581] !!!! control_disable control_disable ss name cpu [ 430.588992][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f02d000) [ 430.595604][ T5581] !!!! control_disable control_disable ss name memory [ 430.602336][ T5581] !!!! control_disable control_disable ss name pids [ 430.608924][ T5581] !!!! control_disable kill_css(ffff88810f02e000) [ 430.615432][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f02c000) [ 430.622018][ T5581] !!!! control_disable control_disable ss name cpu [ 430.628533][ T5581] !!!! control_disable control_disable ss name memory [ 430.635301][ T5581] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 430.641781][ T5581] !!!! control_disable control_disable ss name memory [ 430.648545][ T5581] !!!! control_disable control_disable ss name cpu [ 430.655051][ T5581] !!!! control_disable control_disable ss name memory [ 430.661781][ T5581] !!!! control_disable control_disable ss name cpu [ 430.668273][ T5581] !!!! control_disable control_disable ss name memory [ 430.675021][ T5581] !!!! control_disable control_disable ss name pids [ 430.681605][ T5581] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 430.688128][ T5529] !!!! css_killed_work_fn css_put(ffff88810f02d000) [ 430.694790][ T5529] !!!! css_release enqueue(ffff88810f02d000) [ 430.700954][ T5529] !!!! css_killed_work_fn css_put(ffff88810f02c000) [ 430.707634][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f02e000) [ 430.714318][ T5529] !!!! css_release enqueue(ffff88810f02c000) [ 430.720612][ T5529] !!!! css_killed_work_fn css_put(ffff88810f02e000) [ 430.727383][ T5529] !!!! css_release enqueue(ffff88810f02e000) [ 430.733447][ T5577] !!!! css_create css ffff88810f02cc00 !!!! [ 430.739519][ T5577] !!!! css_create css ffff888115c4e800 !!!! [ 430.745513][ T5577] !!!! css_create css ffff888115c4f400 !!!! [ 430.751396][ T5577] FAULT_INJECTION: forcing a failure. [ 430.751396][ T5577] name failslab, interval 1, probability 0, space 0, times 0 [ 430.764128][ T5577] CPU: 1 PID: 5577 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 430.775809][ T5577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.785836][ T5577] Call Trace: [ 430.789099][ T5577] dump_stack_lvl+0x1e2/0x24b [ 430.793750][ T5577] ? bfq_pos_tree_add_move+0x43e/0x43e [ 430.799181][ T5577] ? serial8250_console_write+0xae0/0xe60 [ 430.804869][ T5577] ? record_print_text+0x266/0x420 [ 430.809957][ T5577] dump_stack+0x15/0x17 [ 430.814082][ T5577] should_fail+0x3c0/0x510 [ 430.818470][ T5577] ? __kernfs_new_node+0x99/0x6e0 [ 430.823466][ T5577] __should_failslab+0x9f/0xe0 [ 430.828200][ T5577] should_failslab+0x9/0x20 [ 430.832676][ T5577] __kmalloc_track_caller+0x5f/0x350 [ 430.837933][ T5577] kstrdup_const+0x55/0x90 [ 430.842322][ T5577] __kernfs_new_node+0x99/0x6e0 [ 430.847164][ T5577] ? stack_trace_save+0x1f0/0x1f0 [ 430.852178][ T5577] ? kernfs_new_node+0x170/0x170 [ 430.857087][ T5577] ? ptr_to_hashval+0x60/0x60 [ 430.861757][ T5577] ? snprintf+0xd6/0x120 [ 430.865974][ T5577] kernfs_new_node+0x97/0x170 [ 430.870623][ T5577] __kernfs_create_file+0x4a/0x270 [ 430.875711][ T5577] cgroup_addrm_files+0xab8/0xfe0 [ 430.880711][ T5577] ? cgroup_apply_control_enable+0x734/0x12e0 [ 430.886761][ T5577] ? cgroup_apply_control+0x93/0x710 [ 430.892035][ T5577] ? cgroup_subtree_control_write+0xd19/0x1310 [ 430.898160][ T5577] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 430.904281][ T5577] ? delete_node+0x759/0x7b0 [ 430.908842][ T5577] ? __kasan_check_read+0x11/0x20 [ 430.913926][ T5577] ? delete_node+0x759/0x7b0 [ 430.918495][ T5577] ? __kasan_check_write+0x14/0x20 [ 430.923578][ T5577] ? __radix_tree_replace+0x246/0x2e0 [ 430.928928][ T5577] ? idr_get_next+0x4b0/0x4b0 [ 430.933581][ T5577] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 430.938589][ T5577] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 430.943758][ T5577] css_populate_dir+0x137/0x370 [ 430.948579][ T5577] cgroup_apply_control_enable+0x629/0x12e0 [ 430.954441][ T5577] cgroup_apply_control+0x93/0x710 [ 430.959522][ T5577] ? css_next_child+0x160/0x160 [ 430.964341][ T5577] ? stack_trace_save+0x12d/0x1f0 [ 430.969335][ T5577] ? io_schedule+0x120/0x120 [ 430.973892][ T5577] ? kernfs_fop_write_iter+0x15e/0x410 [ 430.979320][ T5577] ? __kasan_check_write+0x14/0x20 [ 430.984402][ T5577] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 430.989659][ T5577] cgroup_subtree_control_write+0xd19/0x1310 [ 430.995609][ T5577] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 431.001558][ T5577] ? __kasan_check_write+0x14/0x20 [ 431.006640][ T5577] ? _copy_from_iter+0x3fb/0xd60 [ 431.011548][ T5577] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 431.017497][ T5577] cgroup_file_write+0x28e/0x590 [ 431.022405][ T5577] ? cgroup_seqfile_stop+0xc0/0xc0 [ 431.027486][ T5577] ? mutex_lock+0xa6/0x110 [ 431.031886][ T5577] ? mutex_trylock+0xb0/0xb0 [ 431.036451][ T5577] ? __kasan_check_write+0x14/0x20 [ 431.041541][ T5577] kernfs_fop_write_iter+0x2d0/0x410 [ 431.046820][ T5577] ? cgroup_seqfile_stop+0xc0/0xc0 [ 431.051907][ T5577] vfs_write+0xc1c/0xf40 [ 431.056123][ T5577] ? slab_free_freelist_hook+0xcc/0x1a0 [ 431.061642][ T5577] ? kernel_write+0x3c0/0x3c0 [ 431.066294][ T5577] ? do_sys_openat2+0x397/0x470 [ 431.071121][ T5577] ? __kasan_check_read+0x11/0x20 [ 431.076120][ T5577] ? __fdget_pos+0x27e/0x310 [ 431.080682][ T5577] ksys_write+0x198/0x2c0 [ 431.084988][ T5577] ? __ia32_sys_read+0x90/0x90 [ 431.089731][ T5577] ? debug_smp_processor_id+0x17/0x20 [ 431.095079][ T5577] __x64_sys_write+0x7b/0x90 [ 431.099644][ T5577] do_syscall_64+0x34/0x70 [ 431.104037][ T5577] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 431.109902][ T5577] RIP: 0033:0x7f20e245dc09 [ 431.114293][ T5577] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 431.133956][ T5577] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 431.142433][ T5577] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 431.150379][ T5577] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 431.158326][ T5577] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 431.166274][ T5577] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 431.174222][ T5577] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000003 [ 431.182348][ T5577] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 431.189415][ T5577] !!!! control_disable control_disable ss name cpu [ 431.195982][ T5577] !!!! control_disable control_disable ss name memory [ 431.202784][ T5577] !!!! control_disable control_disable ss name pids [ 431.209439][ T5577] !!!! control_disable kill_css(ffff88810f02cc00) [ 431.216027][ T5577] !!!! control_disable control_disable ss name cpu [ 431.222539][ T5577] !!!! control_disable control_disable ss name memory [ 431.229344][ T5577] !!!! control_disable control_disable ss name pids [ 431.235961][ T5577] !!!! control_disable kill_css(ffff888115c4e800) [ 431.242543][ T5577] !!!! control_disable control_disable ss name cpu [ 431.249072][ T5577] !!!! control_disable control_disable ss name memory [ 431.254909][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f02cc00) [ 431.255990][ T5577] !!!! control_disable control_disable ss name pids [ 431.269011][ T5577] !!!! control_disable kill_css(ffff888115c4f400) [ 431.275516][ C1] !!!! css_killed_ref_fn enqueue(ffff888115c4e800) [ 431.282127][ T5577] !!!! control_disable control_disable ss name cpu [ 431.288680][ T5577] !!!! control_disable control_disable ss name memory [ 431.295524][ T5577] !!!! control_disable control_disable ss name cpu [ 431.302066][ T5577] !!!! control_disable control_disable ss name memory [ 431.308916][ T5577] !!!! control_disable control_disable ss name cpu [ 431.315501][ T5577] !!!! control_disable control_disable ss name memory [ 431.322268][ T5577] !!!! control_disable control_disable ss name cpu [ 431.328778][ C1] !!!! css_killed_ref_fn enqueue(ffff888115c4f400) [ 431.335374][ T5577] !!!! control_disable control_disable ss name memory [ 431.342101][ T5577] !!!! control_disable control_disable ss name pids [ 431.348745][ T5577] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 431.355292][ T5533] !!!! css_killed_work_fn css_put(ffff88810f02cc00) [ 431.362053][ T5533] !!!! css_release enqueue(ffff88810f02cc00) [ 431.368209][ T5529] !!!! css_killed_work_fn css_put(ffff888115c4e800) [ 431.374875][ T5529] !!!! css_release enqueue(ffff888115c4e800) [ 431.381204][ T5529] !!!! css_killed_work_fn css_put(ffff888115c4f400) [ 431.388039][ T5529] !!!! css_release enqueue(ffff888115c4f400) [ 431.394098][ T5590] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 431.394469][ T5589] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 431.400799][ T5590] !!!! css_create css ffff88811f7e5c00 !!!! [ 431.413021][ T5590] !!!! css_create css ffff88811f7e6c00 !!!! [ 431.418977][ T5590] !!!! css_create css ffff88811f7e7000 !!!! [ 431.424848][ T5590] FAULT_INJECTION: forcing a failure. [ 431.424848][ T5590] name failslab, interval 1, probability 0, space 0, times 0 [ 431.437508][ T5590] CPU: 1 PID: 5590 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 431.449196][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.459239][ T5590] Call Trace: [ 431.462505][ T5590] dump_stack_lvl+0x1e2/0x24b [ 431.467156][ T5590] ? bfq_pos_tree_add_move+0x43e/0x43e [ 431.472602][ T5590] ? find_next_bit+0xd6/0x120 [ 431.477255][ T5590] ? cpumask_next+0x11/0x30 [ 431.481776][ T5590] dump_stack+0x15/0x17 [ 431.485909][ T5590] should_fail+0x3c0/0x510 [ 431.490303][ T5590] ? percpu_ref_init+0xd0/0x330 [ 431.495129][ T5590] __should_failslab+0x9f/0xe0 [ 431.499864][ T5590] should_failslab+0x9/0x20 [ 431.504341][ T5590] kmem_cache_alloc_trace+0x3a/0x330 [ 431.509600][ T5590] percpu_ref_init+0xd0/0x330 [ 431.514251][ T5590] ? cgroup_setup_root+0xea0/0xea0 [ 431.519339][ T5590] cgroup_apply_control_enable+0x734/0x12e0 [ 431.525205][ T5590] cgroup_apply_control+0x93/0x710 [ 431.530310][ T5590] ? css_next_child+0x160/0x160 [ 431.535136][ T5590] ? stack_trace_save+0x12d/0x1f0 [ 431.540136][ T5590] ? io_schedule+0x120/0x120 [ 431.544709][ T5590] ? kernfs_fop_write_iter+0x15e/0x410 [ 431.550142][ T5590] ? __kasan_check_write+0x14/0x20 [ 431.555232][ T5590] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 431.560512][ T5590] cgroup_subtree_control_write+0xd19/0x1310 [ 431.566464][ T5590] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 431.572420][ T5590] ? __kasan_check_write+0x14/0x20 [ 431.577510][ T5590] ? _copy_from_iter+0x3fb/0xd60 [ 431.582420][ T5590] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 431.588376][ T5590] cgroup_file_write+0x28e/0x590 [ 431.593300][ T5590] ? cgroup_seqfile_stop+0xc0/0xc0 [ 431.598383][ T5590] ? mutex_lock+0xa6/0x110 [ 431.602771][ T5590] ? mutex_trylock+0xb0/0xb0 [ 431.607337][ T5590] ? __kasan_check_write+0x14/0x20 [ 431.612421][ T5590] kernfs_fop_write_iter+0x2d0/0x410 [ 431.617678][ T5590] ? cgroup_seqfile_stop+0xc0/0xc0 [ 431.622779][ T5590] vfs_write+0xc1c/0xf40 [ 431.626997][ T5590] ? slab_free_freelist_hook+0xcc/0x1a0 [ 431.632522][ T5590] ? kernel_write+0x3c0/0x3c0 [ 431.637170][ T5590] ? do_sys_openat2+0x397/0x470 [ 431.641990][ T5590] ? __kasan_check_read+0x11/0x20 [ 431.646987][ T5590] ? __fdget_pos+0x27e/0x310 [ 431.651548][ T5590] ksys_write+0x198/0x2c0 [ 431.655852][ T5590] ? __ia32_sys_read+0x90/0x90 [ 431.660600][ T5590] ? debug_smp_processor_id+0x17/0x20 [ 431.665948][ T5590] __x64_sys_write+0x7b/0x90 [ 431.670531][ T5590] do_syscall_64+0x34/0x70 [ 431.674931][ T5590] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 431.680802][ T5590] RIP: 0033:0x7f20e245dc09 [ 431.685210][ T5590] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 431.704791][ T5590] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 431.713183][ T5590] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 431.721148][ T5590] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 431.729116][ T5590] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 431.737070][ T5590] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 431.745023][ T5590] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000004 [ 431.753241][ T5590] !!!! css_create rcu_enqueue(ffff88811f7e7000) !!!! [ 431.760032][ T5590] !!!! control_disable control_disable ss name cpu [ 431.766680][ T5590] !!!! control_disable control_disable ss name memory [ 431.773474][ T5590] !!!! control_disable control_disable ss name pids [ 431.780206][ T5590] !!!! control_disable kill_css(ffff88811f7e5c00) [ 431.786854][ T5590] !!!! control_disable control_disable ss name cpu [ 431.793366][ T5590] !!!! control_disable control_disable ss name memory [ 431.800171][ T5590] !!!! control_disable control_disable ss name pids [ 431.806815][ T5590] !!!! control_disable kill_css(ffff88811f7e6c00) [ 431.813357][ T5590] !!!! control_disable control_disable ss name cpu [ 431.819924][ T5590] !!!! control_disable control_disable ss name memory [ 431.824911][ C0] !!!! css_killed_ref_fn enqueue(ffff88811f7e5c00) [ 431.826743][ T5590] !!!! control_disable control_disable ss name cpu [ 431.839774][ T5590] !!!! control_disable control_disable ss name memory [ 431.846554][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f7e6c00) [ 431.853167][ T5590] !!!! control_disable control_disable ss name cpu [ 431.859676][ T5590] !!!! control_disable control_disable ss name memory [ 431.866428][ T5590] !!!! control_disable control_disable ss name cpu [ 431.872951][ T5590] !!!! control_disable control_disable ss name memory [ 431.879726][ T5590] !!!! control_disable control_disable ss name cpu [ 431.886233][ T5590] !!!! control_disable control_disable ss name memory [ 431.892969][ T5590] !!!! control_disable control_disable ss name pids write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 431.899565][ T5590] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 431.899940][ T5533] !!!! css_killed_work_fn css_put(ffff88811f7e5c00) [ 431.912884][ T5533] !!!! css_release enqueue(ffff88811f7e5c00) [ 431.919081][ T5529] !!!! css_killed_work_fn css_put(ffff88811f7e6c00) [ 431.925833][ T5529] !!!! css_release enqueue(ffff88811f7e6c00) [ 431.931999][ T5589] !!!! css_create css ffff888115840c00 !!!! [ 431.938238][ T5589] !!!! css_create css ffff888115843400 !!!! [ 431.944260][ T5589] !!!! css_create css ffff888115840800 !!!! [ 431.950278][ T5589] FAULT_INJECTION: forcing a failure. [ 431.950278][ T5589] name failslab, interval 1, probability 0, space 0, times 0 [ 431.963018][ T5589] CPU: 0 PID: 5589 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 431.974714][ T5589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.984760][ T5589] Call Trace: [ 431.988038][ T5589] dump_stack_lvl+0x1e2/0x24b [ 431.992705][ T5589] ? bfq_pos_tree_add_move+0x43e/0x43e [ 431.998151][ T5589] dump_stack+0x15/0x17 [ 432.002288][ T5589] should_fail+0x3c0/0x510 [ 432.006698][ T5589] ? __kernfs_new_node+0x99/0x6e0 [ 432.011705][ T5589] __should_failslab+0x9f/0xe0 [ 432.016455][ T5589] should_failslab+0x9/0x20 [ 432.020943][ T5589] __kmalloc_track_caller+0x5f/0x350 [ 432.026218][ T5589] kstrdup_const+0x55/0x90 [ 432.030620][ T5589] __kernfs_new_node+0x99/0x6e0 [ 432.035448][ T5589] ? stack_trace_save+0x1f0/0x1f0 [ 432.040452][ T5589] ? kernfs_new_node+0x170/0x170 [ 432.045365][ T5589] ? ptr_to_hashval+0x60/0x60 [ 432.050016][ T5589] ? snprintf+0xd6/0x120 [ 432.054233][ T5589] kernfs_new_node+0x97/0x170 [ 432.058889][ T5589] __kernfs_create_file+0x4a/0x270 [ 432.063990][ T5589] cgroup_addrm_files+0xab8/0xfe0 [ 432.068999][ T5589] ? cgroup_apply_control_enable+0x734/0x12e0 [ 432.075044][ T5589] ? cgroup_apply_control+0x93/0x710 [ 432.080304][ T5589] ? cgroup_subtree_control_write+0xd19/0x1310 [ 432.086445][ T5589] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 432.092603][ T5589] ? delete_node+0x759/0x7b0 [ 432.097169][ T5589] ? __kasan_check_read+0x11/0x20 [ 432.102182][ T5589] ? delete_node+0x759/0x7b0 [ 432.106746][ T5589] ? __kasan_check_write+0x14/0x20 [ 432.111829][ T5589] ? __radix_tree_replace+0x246/0x2e0 [ 432.117173][ T5589] ? idr_get_next+0x4b0/0x4b0 [ 432.121822][ T5589] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 432.126824][ T5589] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 432.132007][ T5589] css_populate_dir+0x137/0x370 [ 432.136832][ T5589] cgroup_apply_control_enable+0x629/0x12e0 [ 432.142696][ T5589] cgroup_apply_control+0x93/0x710 [ 432.147782][ T5589] ? css_next_child+0x160/0x160 [ 432.152603][ T5589] ? stack_trace_save+0x12d/0x1f0 [ 432.157604][ T5589] ? io_schedule+0x120/0x120 [ 432.162169][ T5589] ? kernfs_fop_write_iter+0x15e/0x410 [ 432.167608][ T5589] ? __kasan_check_write+0x14/0x20 [ 432.172701][ T5589] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 432.177970][ T5589] cgroup_subtree_control_write+0xd19/0x1310 [ 432.183922][ T5589] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 432.189874][ T5589] ? __kasan_check_write+0x14/0x20 [ 432.194958][ T5589] ? _copy_from_iter+0x3fb/0xd60 [ 432.199870][ T5589] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 432.205819][ T5589] cgroup_file_write+0x28e/0x590 [ 432.210744][ T5589] ? cgroup_seqfile_stop+0xc0/0xc0 [ 432.215826][ T5589] ? mutex_lock+0xa6/0x110 [ 432.220215][ T5589] ? mutex_trylock+0xb0/0xb0 [ 432.224778][ T5589] ? __kasan_check_write+0x14/0x20 [ 432.229863][ T5589] kernfs_fop_write_iter+0x2d0/0x410 [ 432.235120][ T5589] ? cgroup_seqfile_stop+0xc0/0xc0 [ 432.240205][ T5589] vfs_write+0xc1c/0xf40 [ 432.244434][ T5589] ? slab_free_freelist_hook+0xcc/0x1a0 [ 432.249968][ T5589] ? kernel_write+0x3c0/0x3c0 [ 432.254627][ T5589] ? do_sys_openat2+0x397/0x470 [ 432.259471][ T5589] ? __kasan_check_read+0x11/0x20 [ 432.264480][ T5589] ? __fdget_pos+0x27e/0x310 [ 432.269049][ T5589] ksys_write+0x198/0x2c0 [ 432.273353][ T5589] ? __ia32_sys_read+0x90/0x90 [ 432.278094][ T5589] ? debug_smp_processor_id+0x17/0x20 [ 432.283439][ T5589] __x64_sys_write+0x7b/0x90 [ 432.288008][ T5589] do_syscall_64+0x34/0x70 [ 432.292398][ T5589] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 432.298269][ T5589] RIP: 0033:0x7f20e245dc09 [ 432.302677][ T5589] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 432.322260][ T5589] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 432.330833][ T5589] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 432.338784][ T5589] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 432.346731][ T5589] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 432.354679][ T5589] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 432.362628][ T5589] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000006 [ 432.371546][ T5589] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 432.378670][ T5589] !!!! control_disable control_disable ss name cpu [ 432.385255][ T5589] !!!! control_disable control_disable ss name memory [ 432.392058][ T5589] !!!! control_disable control_disable ss name pids [ 432.398755][ T5589] !!!! control_disable kill_css(ffff888115840c00) [ 432.405350][ T5589] !!!! control_disable control_disable ss name cpu [ 432.411890][ T5589] !!!! control_disable control_disable ss name memory [ 432.418736][ T5589] !!!! control_disable control_disable ss name pids [ 432.425365][ T5589] !!!! control_disable kill_css(ffff888115843400) [ 432.431919][ T5589] !!!! control_disable control_disable ss name cpu [ 432.438482][ T5589] !!!! control_disable control_disable ss name memory [ 432.445267][ C1] !!!! css_killed_ref_fn enqueue(ffff888115840c00) [ 432.451848][ T5589] !!!! control_disable control_disable ss name pids [ 432.458476][ T5589] !!!! control_disable kill_css(ffff888115840800) [ 432.464985][ C1] !!!! css_killed_ref_fn enqueue(ffff888115843400) [ 432.471583][ T5589] !!!! control_disable control_disable ss name cpu [ 432.478100][ T5589] !!!! control_disable control_disable ss name memory [ 432.484846][ T5589] !!!! control_disable control_disable ss name cpu [ 432.491344][ T5589] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 432.498108][ T5589] !!!! control_disable control_disable ss name cpu [ 432.504595][ T5589] !!!! control_disable control_disable ss name memory [ 432.511361][ T5589] !!!! control_disable control_disable ss name cpu [ 432.517866][ T5589] !!!! control_disable control_disable ss name memory [ 432.524614][ T5589] !!!! control_disable control_disable ss name pids [ 432.531469][ T5529] !!!! css_killed_work_fn css_put(ffff888115840c00) [ 432.534331][ T5589] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 432.538183][ T5529] !!!! css_release enqueue(ffff888115840c00) [ 432.550732][ C1] !!!! css_killed_ref_fn enqueue(ffff888115840800) [ 432.557436][ T5529] !!!! css_killed_work_fn css_put(ffff888115843400) [ 432.564092][ T5529] !!!! css_release enqueue(ffff888115843400) [ 432.570326][ T5529] !!!! css_killed_work_fn css_put(ffff888115840800) [ 432.577063][ T5529] !!!! css_release enqueue(ffff888115840800) [ 432.583149][ T5588] !!!! css_create css ffff88810a031000 !!!! [ 432.589313][ T5588] !!!! css_create css ffff888119bb4c00 !!!! [ 432.595284][ T5588] FAULT_INJECTION: forcing a failure. [ 432.595284][ T5588] name failslab, interval 1, probability 0, space 0, times 0 [ 432.607917][ T5588] CPU: 1 PID: 5588 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 432.619625][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.629654][ T5588] Call Trace: [ 432.632921][ T5588] dump_stack_lvl+0x1e2/0x24b [ 432.637569][ T5588] ? panic+0x7d7/0x7d7 [ 432.641610][ T5588] ? bfq_pos_tree_add_move+0x43e/0x43e [ 432.647041][ T5588] dump_stack+0x15/0x17 [ 432.651180][ T5588] should_fail+0x3c0/0x510 [ 432.655573][ T5588] ? pids_css_alloc+0x4e/0x120 [ 432.660311][ T5588] __should_failslab+0x9f/0xe0 [ 432.665045][ T5588] should_failslab+0x9/0x20 [ 432.669526][ T5588] kmem_cache_alloc_trace+0x3a/0x330 [ 432.674791][ T5588] pids_css_alloc+0x4e/0x120 [ 432.679358][ T5588] cgroup_apply_control_enable+0x6d9/0x12e0 [ 432.685226][ T5588] cgroup_apply_control+0x93/0x710 [ 432.690327][ T5588] ? css_next_child+0x160/0x160 [ 432.695149][ T5588] ? stack_trace_save+0x12d/0x1f0 [ 432.700146][ T5588] ? io_schedule+0x120/0x120 [ 432.704710][ T5588] ? kernfs_fop_write_iter+0x15e/0x410 [ 432.710143][ T5588] ? __kasan_check_write+0x14/0x20 [ 432.715234][ T5588] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 432.720596][ T5588] cgroup_subtree_control_write+0xd19/0x1310 [ 432.726551][ T5588] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 432.732515][ T5588] ? __kasan_check_write+0x14/0x20 [ 432.737628][ T5588] ? _copy_from_iter+0x3fb/0xd60 [ 432.742542][ T5588] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 432.748497][ T5588] cgroup_file_write+0x28e/0x590 [ 432.753411][ T5588] ? cgroup_seqfile_stop+0xc0/0xc0 [ 432.758493][ T5588] ? mutex_lock+0xa6/0x110 [ 432.762896][ T5588] ? mutex_trylock+0xb0/0xb0 [ 432.767462][ T5588] ? __kasan_check_write+0x14/0x20 [ 432.772547][ T5588] kernfs_fop_write_iter+0x2d0/0x410 [ 432.777820][ T5588] ? cgroup_seqfile_stop+0xc0/0xc0 [ 432.782903][ T5588] vfs_write+0xc1c/0xf40 [ 432.787119][ T5588] ? slab_free_freelist_hook+0xcc/0x1a0 [ 432.792638][ T5588] ? kernel_write+0x3c0/0x3c0 [ 432.797286][ T5588] ? do_sys_openat2+0x397/0x470 [ 432.802109][ T5588] ? __kasan_check_read+0x11/0x20 [ 432.807103][ T5588] ? __fdget_pos+0x27e/0x310 [ 432.811668][ T5588] ksys_write+0x198/0x2c0 [ 432.815976][ T5588] ? __ia32_sys_read+0x90/0x90 [ 432.820728][ T5588] ? debug_smp_processor_id+0x17/0x20 [ 432.826080][ T5588] __x64_sys_write+0x7b/0x90 [ 432.830643][ T5588] do_syscall_64+0x34/0x70 [ 432.835032][ T5588] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 432.840896][ T5588] RIP: 0033:0x7f20e245dc09 [ 432.845285][ T5588] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 432.864862][ T5588] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 432.873256][ T5588] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 432.881206][ T5588] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 432.889156][ T5588] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 432.897102][ T5588] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 432.905054][ T5588] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000005 [ 432.913111][ T5588] !!!! css_create css fffffffffffffff4 !!!! [ 432.919073][ T5588] !!!! control_disable control_disable ss name cpu [ 432.925629][ T5588] !!!! control_disable control_disable ss name memory [ 432.932396][ T5588] !!!! control_disable control_disable ss name pids [ 432.939019][ T5588] !!!! control_disable kill_css(ffff88810a031000) [ 432.945563][ T5588] !!!! control_disable control_disable ss name cpu [ 432.952055][ T5588] !!!! control_disable control_disable ss name memory [ 432.958840][ T5588] !!!! control_disable control_disable ss name pids [ 432.965441][ T5588] !!!! control_disable kill_css(ffff888119bb4c00) [ 432.971965][ T5588] !!!! control_disable control_disable ss name cpu [ 432.978517][ T5588] !!!! control_disable control_disable ss name memory [ 432.985278][ C0] !!!! css_killed_ref_fn enqueue(ffff88810a031000) [ 432.991878][ T5588] !!!! control_disable control_disable ss name cpu [ 432.998376][ T5588] !!!! control_disable control_disable ss name memory [ 433.005149][ C0] !!!! css_killed_ref_fn enqueue(ffff888119bb4c00) [ 433.011788][ T5588] !!!! control_disable control_disable ss name cpu [ 433.018296][ T5588] !!!! control_disable control_disable ss name memory [ 433.025060][ T5588] !!!! control_disable control_disable ss name cpu [ 433.031544][ T5588] !!!! control_disable control_disable ss name memory [ 433.038321][ T5588] !!!! control_disable control_disable ss name cpu [ 433.044812][ T5588] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 433.051580][ T5588] !!!! control_disable control_disable ss name pids [ 433.058167][ T5588] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 433.064683][ T5533] !!!! css_killed_work_fn css_put(ffff88810a031000) [ 433.071572][ T5533] !!!! css_release enqueue(ffff88810a031000) [ 433.077750][ T5533] !!!! css_killed_work_fn css_put(ffff888119bb4c00) [ 433.084424][ T5533] !!!! css_release enqueue(ffff888119bb4c00) [ 433.090737][ T5584] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 433.094994][ T5591] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 433.098451][ T5587] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 433.103880][ T5586] !!!! css_create css ffff88811603e800 !!!! [ 433.113009][ T5592] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 433.116333][ T5586] !!!! css_create css ffff88811603cc00 !!!! [ 433.128696][ T5586] !!!! css_create css ffff88811603f400 !!!! [ 433.134582][ T5586] FAULT_INJECTION: forcing a failure. [ 433.134582][ T5586] name failslab, interval 1, probability 0, space 0, times 0 [ 433.147163][ T5586] CPU: 1 PID: 5586 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 433.158860][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.168892][ T5586] Call Trace: [ 433.172162][ T5586] dump_stack_lvl+0x1e2/0x24b [ 433.176821][ T5586] ? bfq_pos_tree_add_move+0x43e/0x43e [ 433.182270][ T5586] ? serial8250_console_write+0xae0/0xe60 [ 433.187966][ T5586] ? record_print_text+0x266/0x420 [ 433.193059][ T5586] dump_stack+0x15/0x17 [ 433.197196][ T5586] should_fail+0x3c0/0x510 [ 433.201586][ T5586] ? __kernfs_new_node+0x99/0x6e0 [ 433.206592][ T5586] __should_failslab+0x9f/0xe0 [ 433.211330][ T5586] should_failslab+0x9/0x20 [ 433.215805][ T5586] __kmalloc_track_caller+0x5f/0x350 [ 433.221064][ T5586] kstrdup_const+0x55/0x90 [ 433.225473][ T5586] __kernfs_new_node+0x99/0x6e0 [ 433.230328][ T5586] ? stack_trace_save+0x1f0/0x1f0 [ 433.235336][ T5586] ? kernfs_new_node+0x170/0x170 [ 433.240244][ T5586] ? ptr_to_hashval+0x60/0x60 [ 433.244900][ T5586] ? snprintf+0xd6/0x120 [ 433.249152][ T5586] kernfs_new_node+0x97/0x170 [ 433.253800][ T5586] __kernfs_create_file+0x4a/0x270 [ 433.258895][ T5586] cgroup_addrm_files+0xab8/0xfe0 [ 433.263892][ T5586] ? cgroup_apply_control_enable+0x734/0x12e0 [ 433.269935][ T5586] ? cgroup_apply_control+0x93/0x710 [ 433.275193][ T5586] ? cgroup_subtree_control_write+0xd19/0x1310 [ 433.281335][ T5586] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 433.287466][ T5586] ? delete_node+0x759/0x7b0 [ 433.292035][ T5586] ? __kasan_check_read+0x11/0x20 [ 433.297044][ T5586] ? delete_node+0x759/0x7b0 [ 433.301631][ T5586] ? __kasan_check_write+0x14/0x20 [ 433.306740][ T5586] ? __radix_tree_replace+0x246/0x2e0 [ 433.312108][ T5586] ? idr_get_next+0x4b0/0x4b0 [ 433.316759][ T5586] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 433.321757][ T5586] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 433.326934][ T5586] css_populate_dir+0x137/0x370 [ 433.331854][ T5586] cgroup_apply_control_enable+0x629/0x12e0 [ 433.337723][ T5586] cgroup_apply_control+0x93/0x710 [ 433.342824][ T5586] ? css_next_child+0x160/0x160 [ 433.347652][ T5586] ? stack_trace_save+0x12d/0x1f0 [ 433.352664][ T5586] ? io_schedule+0x120/0x120 [ 433.357227][ T5586] ? kernfs_fop_write_iter+0x15e/0x410 [ 433.362666][ T5586] ? __kasan_check_write+0x14/0x20 [ 433.367820][ T5586] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 433.373099][ T5586] cgroup_subtree_control_write+0xd19/0x1310 [ 433.379057][ T5586] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 433.385033][ T5586] ? __kasan_check_write+0x14/0x20 [ 433.390155][ T5586] ? _copy_from_iter+0x3fb/0xd60 [ 433.395089][ T5586] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 433.401044][ T5586] cgroup_file_write+0x28e/0x590 [ 433.405965][ T5586] ? cgroup_seqfile_stop+0xc0/0xc0 [ 433.411077][ T5586] ? mutex_lock+0xa6/0x110 [ 433.415474][ T5586] ? mutex_trylock+0xb0/0xb0 [ 433.420057][ T5586] ? __kasan_check_write+0x14/0x20 [ 433.425154][ T5586] kernfs_fop_write_iter+0x2d0/0x410 [ 433.430415][ T5586] ? cgroup_seqfile_stop+0xc0/0xc0 [ 433.435502][ T5586] vfs_write+0xc1c/0xf40 [ 433.439718][ T5586] ? slab_free_freelist_hook+0xcc/0x1a0 [ 433.445260][ T5586] ? kernel_write+0x3c0/0x3c0 [ 433.449926][ T5586] ? do_sys_openat2+0x397/0x470 [ 433.454766][ T5586] ? __kasan_check_read+0x11/0x20 [ 433.459803][ T5586] ? __fdget_pos+0x27e/0x310 [ 433.464397][ T5586] ksys_write+0x198/0x2c0 [ 433.468709][ T5586] ? __ia32_sys_read+0x90/0x90 [ 433.473449][ T5586] ? debug_smp_processor_id+0x17/0x20 [ 433.478799][ T5586] __x64_sys_write+0x7b/0x90 [ 433.483373][ T5586] do_syscall_64+0x34/0x70 [ 433.487767][ T5586] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 433.493633][ T5586] RIP: 0033:0x7f20e245dc09 [ 433.498025][ T5586] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 433.517609][ T5586] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 433.526012][ T5586] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 433.533959][ T5586] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 433.541919][ T5586] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 433.549868][ T5586] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 433.557820][ T5586] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000006 [ 433.565948][ T5586] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 433.572978][ T5586] !!!! control_disable control_disable ss name cpu [ 433.579513][ T5586] !!!! control_disable control_disable ss name memory [ 433.586303][ T5586] !!!! control_disable control_disable ss name pids [ 433.592872][ T5586] !!!! control_disable kill_css(ffff88811603e800) [ 433.599439][ T5586] !!!! control_disable control_disable ss name cpu [ 433.605944][ T5586] !!!! control_disable control_disable ss name memory [ 433.612682][ T5586] !!!! control_disable control_disable ss name pids [ 433.619276][ T5586] !!!! control_disable kill_css(ffff88811603cc00) [ 433.625803][ T5586] !!!! control_disable control_disable ss name cpu [ 433.632277][ T5586] !!!! control_disable control_disable ss name memory [ 433.639045][ T5586] !!!! control_disable control_disable ss name pids [ 433.646190][ T5586] !!!! control_disable kill_css(ffff88811603f400) [ 433.652689][ T5586] !!!! control_disable control_disable ss name cpu [ 433.659196][ T5586] !!!! control_disable control_disable ss name memory [ 433.665965][ T5586] !!!! control_disable control_disable ss name cpu [ 433.672466][ T5586] !!!! control_disable control_disable ss name memory [ 433.679408][ T5586] !!!! control_disable control_disable ss name cpu [ 433.685926][ T5586] !!!! control_disable control_disable ss name memory [ 433.692676][ T5586] !!!! control_disable control_disable ss name cpu [ 433.699199][ T5586] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 433.705992][ T5586] !!!! control_disable control_disable ss name pids [ 433.712853][ T5586] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 433.719943][ C1] !!!! css_killed_ref_fn enqueue(ffff88811603e800) [ 433.726552][ C1] !!!! css_killed_ref_fn enqueue(ffff88811603cc00) [ 433.733116][ C1] !!!! css_killed_ref_fn enqueue(ffff88811603f400) [ 433.739756][ T5529] !!!! css_killed_work_fn css_put(ffff88811603e800) [ 433.746432][ T5529] !!!! css_release enqueue(ffff88811603e800) [ 433.752491][ T5529] !!!! css_killed_work_fn css_put(ffff88811603cc00) [ 433.759310][ T5529] !!!! css_release enqueue(ffff88811603cc00) [ 433.765689][ T5529] !!!! css_killed_work_fn css_put(ffff88811603f400) [ 433.772449][ T5529] !!!! css_release enqueue(ffff88811603f400) [ 433.778671][ T5593] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 433.778696][ T5591] !!!! css_create css ffff88811603f000 !!!! [ 433.791104][ T5591] !!!! css_create css ffff88811603dc00 !!!! [ 433.797049][ T5591] !!!! css_create css ffff88811603d000 !!!! [ 433.802957][ T5591] FAULT_INJECTION: forcing a failure. [ 433.802957][ T5591] name failslab, interval 1, probability 0, space 0, times 0 [ 433.815539][ T5591] CPU: 1 PID: 5591 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 433.827238][ T5591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.837265][ T5591] Call Trace: [ 433.840533][ T5591] dump_stack_lvl+0x1e2/0x24b [ 433.845198][ T5591] ? bfq_pos_tree_add_move+0x43e/0x43e [ 433.850645][ T5591] ? serial8250_console_write+0xae0/0xe60 [ 433.856337][ T5591] ? record_print_text+0x266/0x420 [ 433.861522][ T5591] dump_stack+0x15/0x17 [ 433.865653][ T5591] should_fail+0x3c0/0x510 [ 433.870041][ T5591] ? __kernfs_new_node+0x99/0x6e0 [ 433.875044][ T5591] __should_failslab+0x9f/0xe0 [ 433.879804][ T5591] should_failslab+0x9/0x20 [ 433.884281][ T5591] __kmalloc_track_caller+0x5f/0x350 [ 433.889540][ T5591] kstrdup_const+0x55/0x90 [ 433.893927][ T5591] __kernfs_new_node+0x99/0x6e0 [ 433.898748][ T5591] ? stack_trace_save+0x1f0/0x1f0 [ 433.903746][ T5591] ? kernfs_new_node+0x170/0x170 [ 433.908674][ T5591] ? ptr_to_hashval+0x60/0x60 [ 433.913337][ T5591] ? snprintf+0xd6/0x120 [ 433.917561][ T5591] kernfs_new_node+0x97/0x170 [ 433.922232][ T5591] __kernfs_create_file+0x4a/0x270 [ 433.927331][ T5591] cgroup_addrm_files+0xab8/0xfe0 [ 433.932327][ T5591] ? cgroup_apply_control_enable+0x734/0x12e0 [ 433.938365][ T5591] ? cgroup_apply_control+0x93/0x710 [ 433.943623][ T5591] ? cgroup_subtree_control_write+0xd19/0x1310 [ 433.949750][ T5591] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 433.955875][ T5591] ? delete_node+0x759/0x7b0 [ 433.960444][ T5591] ? __kasan_check_read+0x11/0x20 [ 433.965440][ T5591] ? delete_node+0x759/0x7b0 [ 433.970003][ T5591] ? __kasan_check_write+0x14/0x20 [ 433.975089][ T5591] ? __radix_tree_replace+0x246/0x2e0 [ 433.980455][ T5591] ? idr_get_next+0x4b0/0x4b0 [ 433.985105][ T5591] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 433.990117][ T5591] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 433.995291][ T5591] css_populate_dir+0x137/0x370 [ 434.000118][ T5591] cgroup_apply_control_enable+0x629/0x12e0 [ 434.005983][ T5591] cgroup_apply_control+0x93/0x710 [ 434.011066][ T5591] ? css_next_child+0x160/0x160 [ 434.015902][ T5591] ? stack_trace_save+0x12d/0x1f0 [ 434.020898][ T5591] ? io_schedule+0x120/0x120 [ 434.025463][ T5591] ? kernfs_fop_write_iter+0x15e/0x410 [ 434.030909][ T5591] ? __kasan_check_write+0x14/0x20 [ 434.035999][ T5591] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 434.041358][ T5591] cgroup_subtree_control_write+0xd19/0x1310 [ 434.047319][ T5591] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 434.053271][ T5591] ? __kasan_check_write+0x14/0x20 [ 434.058355][ T5591] ? _copy_from_iter+0x3fb/0xd60 [ 434.063274][ T5591] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 434.069250][ T5591] cgroup_file_write+0x28e/0x590 [ 434.074180][ T5591] ? cgroup_seqfile_stop+0xc0/0xc0 [ 434.079279][ T5591] ? mutex_lock+0xa6/0x110 [ 434.083686][ T5591] ? mutex_trylock+0xb0/0xb0 [ 434.088256][ T5591] ? __kasan_check_write+0x14/0x20 [ 434.093345][ T5591] kernfs_fop_write_iter+0x2d0/0x410 [ 434.098611][ T5591] ? cgroup_seqfile_stop+0xc0/0xc0 [ 434.103701][ T5591] vfs_write+0xc1c/0xf40 [ 434.107922][ T5591] ? slab_free_freelist_hook+0xcc/0x1a0 [ 434.113447][ T5591] ? kernel_write+0x3c0/0x3c0 [ 434.118100][ T5591] ? do_sys_openat2+0x397/0x470 [ 434.122927][ T5591] ? __kasan_check_read+0x11/0x20 [ 434.127928][ T5591] ? __fdget_pos+0x27e/0x310 [ 434.132494][ T5591] ksys_write+0x198/0x2c0 [ 434.136800][ T5591] ? __ia32_sys_read+0x90/0x90 [ 434.141541][ T5591] ? debug_smp_processor_id+0x17/0x20 [ 434.146892][ T5591] __x64_sys_write+0x7b/0x90 [ 434.151457][ T5591] do_syscall_64+0x34/0x70 [ 434.155849][ T5591] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 434.161714][ T5591] RIP: 0033:0x7f20e245dc09 [ 434.166106][ T5591] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 434.185772][ T5591] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 434.194337][ T5591] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 434.202287][ T5591] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 434.210237][ T5591] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 434.218186][ T5591] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 434.226148][ T5591] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000005 [ 434.234325][ T5591] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 434.241467][ T5591] !!!! control_disable control_disable ss name cpu [ 434.248056][ T5591] !!!! control_disable control_disable ss name memory [ 434.254871][ T5591] !!!! control_disable control_disable ss name pids [ 434.261519][ T5591] !!!! control_disable kill_css(ffff88811603f000) [ 434.268118][ T5591] !!!! control_disable control_disable ss name cpu [ 434.274653][ T5591] !!!! control_disable control_disable ss name memory [ 434.281512][ T5591] !!!! control_disable control_disable ss name pids [ 434.288159][ T5591] !!!! control_disable kill_css(ffff88811603dc00) [ 434.294738][ T5591] !!!! control_disable control_disable ss name cpu [ 434.301302][ C1] !!!! css_killed_ref_fn enqueue(ffff88811603f000) [ 434.307916][ T5591] !!!! control_disable control_disable ss name memory [ 434.314655][ T5591] !!!! control_disable control_disable ss name pids [ 434.321418][ T5591] !!!! control_disable kill_css(ffff88811603d000) [ 434.327933][ C1] !!!! css_killed_ref_fn enqueue(ffff88811603dc00) [ 434.334526][ T5591] !!!! control_disable control_disable ss name cpu [ 434.341041][ T5591] !!!! control_disable control_disable ss name memory [ 434.347804][ T5591] !!!! control_disable control_disable ss name cpu [ 434.354274][ T5591] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 434.361029][ T5591] !!!! control_disable control_disable ss name cpu [ 434.367522][ T5591] !!!! control_disable control_disable ss name memory [ 434.374255][ T5591] !!!! control_disable control_disable ss name cpu [ 434.380749][ T5591] !!!! control_disable control_disable ss name memory [ 434.387508][ T5591] !!!! control_disable control_disable ss name pids [ 434.394086][ T5591] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 434.400619][ T5529] !!!! css_killed_work_fn css_put(ffff88811603f000) [ 434.407311][ T5529] !!!! css_release enqueue(ffff88811603f000) [ 434.413405][ T5529] !!!! css_killed_work_fn css_put(ffff88811603dc00) [ 434.420104][ C1] !!!! css_killed_ref_fn enqueue(ffff88811603d000) [ 434.426695][ T5529] !!!! css_release enqueue(ffff88811603dc00) [ 434.432940][ T5529] !!!! css_killed_work_fn css_put(ffff88811603d000) [ 434.439757][ T5529] !!!! css_release enqueue(ffff88811603d000) [ 434.445966][ T5592] !!!! css_create css ffff888115567800 !!!! [ 434.451934][ T5592] !!!! css_create css ffff888115565400 !!!! [ 434.457980][ T5592] !!!! css_create css ffff8881157c1400 !!!! [ 434.463905][ T5592] FAULT_INJECTION: forcing a failure. [ 434.463905][ T5592] name failslab, interval 1, probability 0, space 0, times 0 [ 434.476599][ T5592] CPU: 1 PID: 5592 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 434.488296][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 434.498336][ T5592] Call Trace: [ 434.501625][ T5592] dump_stack_lvl+0x1e2/0x24b [ 434.506287][ T5592] ? bfq_pos_tree_add_move+0x43e/0x43e [ 434.511736][ T5592] ? find_next_bit+0xd6/0x120 [ 434.516388][ T5592] ? cpumask_next+0x11/0x30 [ 434.520874][ T5592] dump_stack+0x15/0x17 [ 434.525003][ T5592] should_fail+0x3c0/0x510 [ 434.529422][ T5592] ? percpu_ref_init+0xd0/0x330 [ 434.534263][ T5592] __should_failslab+0x9f/0xe0 [ 434.539019][ T5592] should_failslab+0x9/0x20 [ 434.543496][ T5592] kmem_cache_alloc_trace+0x3a/0x330 [ 434.548769][ T5592] percpu_ref_init+0xd0/0x330 [ 434.553421][ T5592] ? cgroup_setup_root+0xea0/0xea0 [ 434.558510][ T5592] cgroup_apply_control_enable+0x734/0x12e0 [ 434.564376][ T5592] cgroup_apply_control+0x93/0x710 [ 434.569462][ T5592] ? css_next_child+0x160/0x160 [ 434.574288][ T5592] ? stack_trace_save+0x12d/0x1f0 [ 434.579295][ T5592] ? io_schedule+0x120/0x120 [ 434.583858][ T5592] ? kernfs_fop_write_iter+0x15e/0x410 [ 434.589287][ T5592] ? __kasan_check_write+0x14/0x20 [ 434.594372][ T5592] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 434.599903][ T5592] cgroup_subtree_control_write+0xd19/0x1310 [ 434.605863][ T5592] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 434.611814][ T5592] ? __kasan_check_write+0x14/0x20 [ 434.616910][ T5592] ? _copy_from_iter+0x3fb/0xd60 [ 434.621819][ T5592] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 434.627782][ T5592] cgroup_file_write+0x28e/0x590 [ 434.632691][ T5592] ? cgroup_seqfile_stop+0xc0/0xc0 [ 434.637790][ T5592] ? mutex_lock+0xa6/0x110 [ 434.642178][ T5592] ? mutex_trylock+0xb0/0xb0 [ 434.646740][ T5592] ? __kasan_check_write+0x14/0x20 [ 434.651828][ T5592] kernfs_fop_write_iter+0x2d0/0x410 [ 434.657083][ T5592] ? cgroup_seqfile_stop+0xc0/0xc0 [ 434.662166][ T5592] vfs_write+0xc1c/0xf40 [ 434.666385][ T5592] ? slab_free_freelist_hook+0xcc/0x1a0 [ 434.671904][ T5592] ? kernel_write+0x3c0/0x3c0 [ 434.676552][ T5592] ? do_sys_openat2+0x397/0x470 [ 434.681393][ T5592] ? __kasan_check_read+0x11/0x20 [ 434.686389][ T5592] ? __fdget_pos+0x27e/0x310 [ 434.690950][ T5592] ksys_write+0x198/0x2c0 [ 434.695250][ T5592] ? __ia32_sys_read+0x90/0x90 [ 434.699987][ T5592] ? debug_smp_processor_id+0x17/0x20 [ 434.705329][ T5592] __x64_sys_write+0x7b/0x90 [ 434.709890][ T5592] do_syscall_64+0x34/0x70 [ 434.714281][ T5592] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 434.720157][ T5592] RIP: 0033:0x7f20e245dc09 [ 434.724551][ T5592] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 434.744127][ T5592] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 434.752516][ T5592] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 434.760466][ T5592] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 434.768415][ T5592] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 434.776368][ T5592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 434.784319][ T5592] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000007 [ 434.792392][ T5592] !!!! css_create rcu_enqueue(ffff8881157c1400) !!!! [ 434.799158][ T5592] !!!! control_disable control_disable ss name cpu [ 434.805687][ T5592] !!!! control_disable control_disable ss name memory [ 434.812425][ T5592] !!!! control_disable control_disable ss name pids [ 434.819059][ T5592] !!!! control_disable kill_css(ffff888115567800) [ 434.825654][ T5592] !!!! control_disable control_disable ss name cpu [ 434.832173][ T5592] !!!! control_disable control_disable ss name memory [ 434.838994][ T5592] !!!! control_disable control_disable ss name pids [ 434.845671][ T5592] !!!! control_disable kill_css(ffff888115565400) [ 434.852236][ T5592] !!!! control_disable control_disable ss name cpu [ 434.858787][ T5592] !!!! control_disable control_disable ss name memory [ 434.865603][ T5592] !!!! control_disable control_disable ss name cpu [ 434.872138][ T5592] !!!! control_disable control_disable ss name memory [ 434.878957][ T5592] !!!! control_disable control_disable ss name cpu [ 434.878979][ C1] !!!! css_killed_ref_fn enqueue(ffff888115567800) [ 434.885648][ T5592] !!!! control_disable control_disable ss name memory [ 434.892069][ C1] !!!! css_killed_ref_fn enqueue(ffff888115565400) [ 434.898975][ T5592] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 434.911932][ T5592] !!!! control_disable control_disable ss name memory [ 434.918694][ T5592] !!!! control_disable control_disable ss name cpu [ 434.925193][ T5592] !!!! control_disable control_disable ss name memory [ 434.931929][ T5592] !!!! control_disable control_disable ss name pids [ 434.938515][ T5592] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 434.938842][ T5529] !!!! css_killed_work_fn css_put(ffff888115567800) [ 434.951712][ T5529] !!!! css_release enqueue(ffff888115567800) [ 434.957813][ T5529] !!!! css_killed_work_fn css_put(ffff888115565400) [ 434.964470][ T5529] !!!! css_release enqueue(ffff888115565400) [ 434.970699][ T5596] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 434.970722][ T5594] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 434.977466][ T5596] !!!! css_create css ffff888118fe7c00 !!!! [ 434.989767][ T5596] !!!! css_create css ffff888118fe4400 !!!! [ 434.995787][ T5596] !!!! css_create css ffff88810ee6dc00 !!!! [ 435.001674][ T5596] FAULT_INJECTION: forcing a failure. [ 435.001674][ T5596] name failslab, interval 1, probability 0, space 0, times 0 [ 435.014390][ T5596] CPU: 0 PID: 5596 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 435.026088][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.036116][ T5596] Call Trace: [ 435.039384][ T5596] dump_stack_lvl+0x1e2/0x24b [ 435.044036][ T5596] ? bfq_pos_tree_add_move+0x43e/0x43e [ 435.049481][ T5596] ? serial8250_console_write+0xae0/0xe60 [ 435.055172][ T5596] ? record_print_text+0x266/0x420 [ 435.060256][ T5596] dump_stack+0x15/0x17 [ 435.064382][ T5596] should_fail+0x3c0/0x510 [ 435.068771][ T5596] ? __kernfs_new_node+0x99/0x6e0 [ 435.073769][ T5596] __should_failslab+0x9f/0xe0 [ 435.078506][ T5596] should_failslab+0x9/0x20 [ 435.082981][ T5596] __kmalloc_track_caller+0x5f/0x350 [ 435.088244][ T5596] kstrdup_const+0x55/0x90 [ 435.092634][ T5596] __kernfs_new_node+0x99/0x6e0 [ 435.097454][ T5596] ? stack_trace_save+0x1f0/0x1f0 [ 435.102451][ T5596] ? kernfs_new_node+0x170/0x170 [ 435.107367][ T5596] ? ptr_to_hashval+0x60/0x60 [ 435.112027][ T5596] ? snprintf+0xd6/0x120 [ 435.116259][ T5596] kernfs_new_node+0x97/0x170 [ 435.120909][ T5596] __kernfs_create_file+0x4a/0x270 [ 435.125992][ T5596] cgroup_addrm_files+0xab8/0xfe0 [ 435.130992][ T5596] ? cgroup_apply_control_enable+0x734/0x12e0 [ 435.137030][ T5596] ? cgroup_apply_control+0x93/0x710 [ 435.142292][ T5596] ? cgroup_subtree_control_write+0xd19/0x1310 [ 435.148427][ T5596] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 435.154566][ T5596] ? delete_node+0x759/0x7b0 [ 435.159133][ T5596] ? __kasan_check_read+0x11/0x20 [ 435.164138][ T5596] ? delete_node+0x759/0x7b0 [ 435.168718][ T5596] ? __kasan_check_write+0x14/0x20 [ 435.173804][ T5596] ? __radix_tree_replace+0x246/0x2e0 [ 435.179153][ T5596] ? idr_get_next+0x4b0/0x4b0 [ 435.183806][ T5596] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 435.188815][ T5596] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 435.193991][ T5596] css_populate_dir+0x137/0x370 [ 435.198821][ T5596] cgroup_apply_control_enable+0x629/0x12e0 [ 435.204688][ T5596] cgroup_apply_control+0x93/0x710 [ 435.209774][ T5596] ? css_next_child+0x160/0x160 [ 435.214597][ T5596] ? stack_trace_save+0x12d/0x1f0 [ 435.219596][ T5596] ? io_schedule+0x120/0x120 [ 435.224159][ T5596] ? kernfs_fop_write_iter+0x15e/0x410 [ 435.229590][ T5596] ? __kasan_check_write+0x14/0x20 [ 435.234676][ T5596] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 435.239933][ T5596] cgroup_subtree_control_write+0xd19/0x1310 [ 435.245888][ T5596] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 435.251841][ T5596] ? __kasan_check_write+0x14/0x20 [ 435.256938][ T5596] ? _copy_from_iter+0x3fb/0xd60 [ 435.261857][ T5596] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 435.267817][ T5596] cgroup_file_write+0x28e/0x590 [ 435.272731][ T5596] ? cgroup_seqfile_stop+0xc0/0xc0 [ 435.277819][ T5596] ? mutex_lock+0xa6/0x110 [ 435.282221][ T5596] ? mutex_trylock+0xb0/0xb0 [ 435.286809][ T5596] ? __kasan_check_write+0x14/0x20 [ 435.291894][ T5596] kernfs_fop_write_iter+0x2d0/0x410 [ 435.297154][ T5596] ? cgroup_seqfile_stop+0xc0/0xc0 [ 435.302241][ T5596] vfs_write+0xc1c/0xf40 [ 435.306461][ T5596] ? slab_free_freelist_hook+0xcc/0x1a0 [ 435.311986][ T5596] ? kernel_write+0x3c0/0x3c0 [ 435.316660][ T5596] ? do_sys_openat2+0x397/0x470 [ 435.321524][ T5596] ? __kasan_check_read+0x11/0x20 [ 435.326550][ T5596] ? __fdget_pos+0x27e/0x310 [ 435.331138][ T5596] ksys_write+0x198/0x2c0 [ 435.335455][ T5596] ? __ia32_sys_read+0x90/0x90 [ 435.340204][ T5596] ? debug_smp_processor_id+0x17/0x20 [ 435.345558][ T5596] __x64_sys_write+0x7b/0x90 [ 435.350137][ T5596] do_syscall_64+0x34/0x70 [ 435.354540][ T5596] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 435.360428][ T5596] RIP: 0033:0x7f20e245dc09 [ 435.364829][ T5596] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 435.384412][ T5596] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 435.392803][ T5596] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 435.400756][ T5596] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 435.408709][ T5596] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 435.416660][ T5596] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 435.424626][ T5596] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000006 [ 435.432709][ T5596] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 435.439828][ T5596] !!!! control_disable control_disable ss name cpu [ 435.446454][ T5596] !!!! control_disable control_disable ss name memory [ 435.453245][ T5596] !!!! control_disable control_disable ss name pids [ 435.460000][ T5596] !!!! control_disable kill_css(ffff888118fe7c00) [ 435.466652][ T5596] !!!! control_disable control_disable ss name cpu [ 435.473170][ T5596] !!!! control_disable control_disable ss name memory [ 435.479992][ T5596] !!!! control_disable control_disable ss name pids [ 435.486585][ T5596] !!!! control_disable kill_css(ffff888118fe4400) [ 435.493134][ T5596] !!!! control_disable control_disable ss name cpu [ 435.499721][ T5596] !!!! control_disable control_disable ss name memory [ 435.499840][ C0] !!!! css_killed_ref_fn enqueue(ffff888118fe7c00) [ 435.506621][ T5596] !!!! control_disable control_disable ss name pids [ 435.519698][ T5596] !!!! control_disable kill_css(ffff88810ee6dc00) [ 435.526222][ C1] !!!! css_killed_ref_fn enqueue(ffff888118fe4400) [ 435.532838][ T5596] !!!! control_disable control_disable ss name cpu [ 435.539405][ T5596] !!!! control_disable control_disable ss name memory [ 435.546254][ T5596] !!!! control_disable control_disable ss name cpu [ 435.552782][ T5596] !!!! control_disable control_disable ss name memory [ 435.559573][ T5596] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 435.566136][ T5596] !!!! control_disable control_disable ss name memory [ 435.572933][ T5596] !!!! control_disable control_disable ss name cpu [ 435.579445][ C1] !!!! css_killed_ref_fn enqueue(ffff88810ee6dc00) [ 435.586068][ T5596] !!!! control_disable control_disable ss name memory [ 435.592806][ T5596] !!!! control_disable control_disable ss name pids [ 435.599428][ T5596] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 435.605947][ T5529] !!!! css_killed_work_fn css_put(ffff888118fe4400) [ 435.612601][ T5529] !!!! css_release enqueue(ffff888118fe4400) [ 435.618796][ T5533] !!!! css_killed_work_fn css_put(ffff888118fe7c00) [ 435.625586][ T5533] !!!! css_release enqueue(ffff888118fe7c00) [ 435.631792][ T5529] !!!! css_killed_work_fn css_put(ffff88810ee6dc00) [ 435.638510][ T5529] !!!! css_release enqueue(ffff88810ee6dc00) [ 435.644601][ T5594] !!!! css_create css ffff8881077e9c00 !!!! [ 435.650673][ T5594] !!!! css_create css ffff8881077e9000 !!!! [ 435.656658][ T5594] !!!! css_create css ffff8881077e8000 !!!! [ 435.662581][ T5594] FAULT_INJECTION: forcing a failure. [ 435.662581][ T5594] name failslab, interval 1, probability 0, space 0, times 0 [ 435.675194][ T5594] CPU: 1 PID: 5594 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 435.686889][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.696922][ T5594] Call Trace: [ 435.700189][ T5594] dump_stack_lvl+0x1e2/0x24b [ 435.704857][ T5594] ? bfq_pos_tree_add_move+0x43e/0x43e [ 435.710307][ T5594] ? find_next_bit+0xd6/0x120 [ 435.714957][ T5594] ? cpumask_next+0x11/0x30 [ 435.719453][ T5594] dump_stack+0x15/0x17 [ 435.723704][ T5594] should_fail+0x3c0/0x510 [ 435.728094][ T5594] ? percpu_ref_init+0xd0/0x330 [ 435.732920][ T5594] __should_failslab+0x9f/0xe0 [ 435.737715][ T5594] should_failslab+0x9/0x20 [ 435.742202][ T5594] kmem_cache_alloc_trace+0x3a/0x330 [ 435.747464][ T5594] percpu_ref_init+0xd0/0x330 [ 435.752134][ T5594] ? cgroup_setup_root+0xea0/0xea0 [ 435.757238][ T5594] cgroup_apply_control_enable+0x734/0x12e0 [ 435.763107][ T5594] cgroup_apply_control+0x93/0x710 [ 435.768198][ T5594] ? css_next_child+0x160/0x160 [ 435.773024][ T5594] ? stack_trace_save+0x12d/0x1f0 [ 435.778022][ T5594] ? io_schedule+0x120/0x120 [ 435.782587][ T5594] ? kernfs_fop_write_iter+0x15e/0x410 [ 435.788029][ T5594] ? __kasan_check_write+0x14/0x20 [ 435.793112][ T5594] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 435.798370][ T5594] cgroup_subtree_control_write+0xd19/0x1310 [ 435.804338][ T5594] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 435.810307][ T5594] ? __kasan_check_write+0x14/0x20 [ 435.815402][ T5594] ? _copy_from_iter+0x3fb/0xd60 [ 435.820325][ T5594] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 435.826293][ T5594] cgroup_file_write+0x28e/0x590 [ 435.831299][ T5594] ? cgroup_seqfile_stop+0xc0/0xc0 [ 435.836384][ T5594] ? mutex_lock+0xa6/0x110 [ 435.840771][ T5594] ? mutex_trylock+0xb0/0xb0 [ 435.845349][ T5594] ? __kasan_check_write+0x14/0x20 [ 435.850439][ T5594] kernfs_fop_write_iter+0x2d0/0x410 [ 435.855703][ T5594] ? cgroup_seqfile_stop+0xc0/0xc0 [ 435.860812][ T5594] vfs_write+0xc1c/0xf40 [ 435.865026][ T5594] ? slab_free_freelist_hook+0xcc/0x1a0 [ 435.870543][ T5594] ? kernel_write+0x3c0/0x3c0 [ 435.875204][ T5594] ? do_sys_openat2+0x397/0x470 [ 435.880034][ T5594] ? __kasan_check_read+0x11/0x20 [ 435.885034][ T5594] ? __fdget_pos+0x27e/0x310 [ 435.889604][ T5594] ksys_write+0x198/0x2c0 [ 435.893919][ T5594] ? __ia32_sys_read+0x90/0x90 [ 435.898653][ T5594] ? debug_smp_processor_id+0x17/0x20 [ 435.903995][ T5594] __x64_sys_write+0x7b/0x90 [ 435.908560][ T5594] do_syscall_64+0x34/0x70 [ 435.912948][ T5594] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 435.918816][ T5594] RIP: 0033:0x7f20e245dc09 [ 435.923206][ T5594] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 435.942782][ T5594] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 435.951170][ T5594] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 435.959116][ T5594] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 435.967061][ T5594] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 435.975004][ T5594] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 435.982952][ T5594] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000006 [ 435.991098][ T5594] !!!! css_create rcu_enqueue(ffff8881077e8000) !!!! [ 435.997813][ T5594] !!!! control_disable control_disable ss name cpu [ 436.004326][ T5594] !!!! control_disable control_disable ss name memory [ 436.011173][ T5594] !!!! control_disable control_disable ss name pids [ 436.017806][ T5594] !!!! control_disable kill_css(ffff8881077e9c00) [ 436.024373][ T5594] !!!! control_disable control_disable ss name cpu [ 436.030954][ T5594] !!!! control_disable control_disable ss name memory [ 436.037776][ T5594] !!!! control_disable control_disable ss name pids [ 436.044380][ T5594] !!!! control_disable kill_css(ffff8881077e9000) [ 436.050891][ C0] !!!! css_killed_ref_fn enqueue(ffff8881077e9c00) [ 436.057542][ T5594] !!!! control_disable control_disable ss name cpu [ 436.064024][ T5594] !!!! control_disable control_disable ss name memory [ 436.070791][ T5594] !!!! control_disable control_disable ss name cpu [ 436.077285][ T5594] !!!! control_disable control_disable ss name memory [ 436.084017][ T5594] !!!! control_disable control_disable ss name cpu [ 436.090506][ T5594] !!!! control_disable control_disable ss name memory [ 436.097280][ T5594] !!!! control_disable control_disable ss name cpu [ 436.103764][ T5594] !!!! control_disable control_disable ss name memory [ 436.110516][ T5594] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 436.117001][ T5594] !!!! control_disable control_disable ss name memory [ 436.123729][ T5594] !!!! control_disable control_disable ss name pids [ 436.130314][ T5594] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 436.136836][ T5533] !!!! css_killed_work_fn css_put(ffff8881077e9c00) [ 436.143495][ T5533] !!!! css_release enqueue(ffff8881077e9c00) [ 436.150732][ C0] !!!! css_killed_ref_fn enqueue(ffff8881077e9000) [ 436.157465][ T5533] !!!! css_killed_work_fn css_put(ffff8881077e9000) [ 436.164120][ T5533] !!!! css_release enqueue(ffff8881077e9000) [ 436.170359][ T5587] !!!! css_create css ffff888111278800 !!!! [ 436.176336][ T5587] !!!! css_create css ffff888111ecb400 !!!! [ 436.182266][ T5587] !!!! css_create css ffff888111ecb800 !!!! [ 436.188234][ T5587] FAULT_INJECTION: forcing a failure. [ 436.188234][ T5587] name failslab, interval 1, probability 0, space 0, times 0 [ 436.200862][ T5587] CPU: 1 PID: 5587 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 436.212626][ T5587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 436.222665][ T5587] Call Trace: [ 436.225943][ T5587] dump_stack_lvl+0x1e2/0x24b [ 436.230594][ T5587] ? bfq_pos_tree_add_move+0x43e/0x43e [ 436.236023][ T5587] dump_stack+0x15/0x17 [ 436.240163][ T5587] should_fail+0x3c0/0x510 [ 436.244552][ T5587] ? __kernfs_new_node+0x99/0x6e0 [ 436.249549][ T5587] __should_failslab+0x9f/0xe0 [ 436.254285][ T5587] should_failslab+0x9/0x20 [ 436.258760][ T5587] __kmalloc_track_caller+0x5f/0x350 [ 436.264020][ T5587] kstrdup_const+0x55/0x90 [ 436.268410][ T5587] __kernfs_new_node+0x99/0x6e0 [ 436.273243][ T5587] ? stack_trace_save+0x1f0/0x1f0 [ 436.278240][ T5587] ? kernfs_new_node+0x170/0x170 [ 436.283147][ T5587] ? ptr_to_hashval+0x60/0x60 [ 436.287806][ T5587] ? snprintf+0xd6/0x120 [ 436.292032][ T5587] kernfs_new_node+0x97/0x170 [ 436.296681][ T5587] __kernfs_create_file+0x4a/0x270 [ 436.301763][ T5587] cgroup_addrm_files+0xab8/0xfe0 [ 436.306765][ T5587] ? cgroup_apply_control_enable+0x734/0x12e0 [ 436.312806][ T5587] ? cgroup_apply_control+0x93/0x710 [ 436.318063][ T5587] ? cgroup_subtree_control_write+0xd19/0x1310 [ 436.324193][ T5587] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 436.330318][ T5587] ? delete_node+0x759/0x7b0 [ 436.334896][ T5587] ? __kasan_check_read+0x11/0x20 [ 436.339896][ T5587] ? delete_node+0x759/0x7b0 [ 436.344455][ T5587] ? __kasan_check_write+0x14/0x20 [ 436.349536][ T5587] ? __radix_tree_replace+0x246/0x2e0 [ 436.354879][ T5587] ? idr_get_next+0x4b0/0x4b0 [ 436.359534][ T5587] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 436.364526][ T5587] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 436.369700][ T5587] css_populate_dir+0x137/0x370 [ 436.374530][ T5587] cgroup_apply_control_enable+0x629/0x12e0 [ 436.380405][ T5587] cgroup_apply_control+0x93/0x710 [ 436.385503][ T5587] ? css_next_child+0x160/0x160 [ 436.390324][ T5587] ? stack_trace_save+0x12d/0x1f0 [ 436.395321][ T5587] ? io_schedule+0x120/0x120 [ 436.399879][ T5587] ? kernfs_fop_write_iter+0x15e/0x410 [ 436.405307][ T5587] ? __kasan_check_write+0x14/0x20 [ 436.410389][ T5587] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 436.415640][ T5587] cgroup_subtree_control_write+0xd19/0x1310 [ 436.421589][ T5587] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 436.427538][ T5587] ? __kasan_check_write+0x14/0x20 [ 436.432632][ T5587] ? _copy_from_iter+0x3fb/0xd60 [ 436.437540][ T5587] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 436.443485][ T5587] cgroup_file_write+0x28e/0x590 [ 436.448393][ T5587] ? cgroup_seqfile_stop+0xc0/0xc0 [ 436.453473][ T5587] ? mutex_lock+0xa6/0x110 [ 436.457858][ T5587] ? mutex_trylock+0xb0/0xb0 [ 436.462419][ T5587] ? __kasan_check_write+0x14/0x20 [ 436.467517][ T5587] kernfs_fop_write_iter+0x2d0/0x410 [ 436.472769][ T5587] ? cgroup_seqfile_stop+0xc0/0xc0 [ 436.477860][ T5587] vfs_write+0xc1c/0xf40 [ 436.482071][ T5587] ? slab_free_freelist_hook+0xcc/0x1a0 [ 436.487598][ T5587] ? kernel_write+0x3c0/0x3c0 [ 436.492276][ T5587] ? do_sys_openat2+0x397/0x470 [ 436.497104][ T5587] ? __kasan_check_read+0x11/0x20 [ 436.502109][ T5587] ? __fdget_pos+0x27e/0x310 [ 436.506674][ T5587] ksys_write+0x198/0x2c0 [ 436.510976][ T5587] ? __kasan_check_write+0x14/0x20 [ 436.516061][ T5587] ? __ia32_sys_read+0x90/0x90 [ 436.520799][ T5587] ? debug_smp_processor_id+0x17/0x20 [ 436.526142][ T5587] __x64_sys_write+0x7b/0x90 [ 436.530706][ T5587] do_syscall_64+0x34/0x70 [ 436.535095][ T5587] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 436.540969][ T5587] RIP: 0033:0x7f20e245dc09 [ 436.545363][ T5587] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 436.564935][ T5587] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 436.573325][ T5587] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 436.581266][ T5587] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 436.589219][ T5587] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 436.597166][ T5587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 436.605110][ T5587] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000006 [ 436.613305][ T5587] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 436.620456][ T5587] !!!! control_disable control_disable ss name cpu [ 436.627023][ T5587] !!!! control_disable control_disable ss name memory [ 436.633776][ T5587] !!!! control_disable control_disable ss name pids [ 436.640515][ T5587] !!!! control_disable kill_css(ffff888111278800) [ 436.647121][ T5587] !!!! control_disable control_disable ss name cpu [ 436.653597][ T5587] !!!! control_disable control_disable ss name memory [ 436.660492][ T5587] !!!! control_disable control_disable ss name pids [ 436.667172][ T5587] !!!! control_disable kill_css(ffff888111ecb400) [ 436.673755][ T5587] !!!! control_disable control_disable ss name cpu [ 436.680256][ C0] !!!! css_killed_ref_fn enqueue(ffff888111278800) [ 436.686867][ T5587] !!!! control_disable control_disable ss name memory [ 436.693599][ T5587] !!!! control_disable control_disable ss name pids [ 436.700190][ T5587] !!!! control_disable kill_css(ffff888111ecb800) [ 436.706695][ C0] !!!! css_killed_ref_fn enqueue(ffff888111ecb400) [ 436.713284][ T5587] !!!! control_disable control_disable ss name cpu [ 436.719785][ T5587] !!!! control_disable control_disable ss name memory [ 436.726539][ T5587] !!!! control_disable control_disable ss name cpu [ 436.733007][ T5587] !!!! control_disable control_disable ss name memory [ 436.739760][ T5587] !!!! control_disable control_disable ss name cpu [ 436.746248][ T5587] !!!! control_disable control_disable ss name memory [ 436.752977][ T5587] !!!! control_disable control_disable ss name cpu [ 436.759473][ T5587] !!!! control_disable control_disable ss name memory [ 436.766235][ T5587] !!!! control_disable control_disable ss name pids [ 436.772822][ T5587] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 436.779352][ T5533] !!!! css_killed_work_fn css_put(ffff888111278800) [ 436.786033][ T5533] !!!! css_release enqueue(ffff888111278800) [ 436.792093][ T5533] !!!! css_killed_work_fn css_put(ffff888111ecb400) [ 436.798891][ C0] !!!! css_killed_ref_fn enqueue(ffff888111ecb800) [ 436.805512][ T5533] !!!! css_release enqueue(ffff888111ecb400) [ 436.811750][ T5533] !!!! css_killed_work_fn css_put(ffff888111ecb800) [ 436.818604][ T5533] !!!! css_release enqueue(ffff888111ecb800) [ 436.824673][ T5599] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 436.824940][ T5598] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 436.831284][ T5597] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 436.837900][ T5598] !!!! css_create css ffff888111dd9400 !!!! [ 436.850234][ T5598] !!!! css_create css ffff888111dda800 !!!! [ 436.856238][ T5598] !!!! css_create css ffff888111ddb400 !!!! [ 436.862130][ T5598] FAULT_INJECTION: forcing a failure. [ 436.862130][ T5598] name failslab, interval 1, probability 0, space 0, times 0 [ 436.874962][ T5598] CPU: 1 PID: 5598 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 436.886649][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 436.896675][ T5598] Call Trace: [ 436.899939][ T5598] dump_stack_lvl+0x1e2/0x24b [ 436.904589][ T5598] ? bfq_pos_tree_add_move+0x43e/0x43e [ 436.910026][ T5598] ? find_next_bit+0xd6/0x120 [ 436.914682][ T5598] ? cpumask_next+0x11/0x30 [ 436.919176][ T5598] dump_stack+0x15/0x17 [ 436.923315][ T5598] should_fail+0x3c0/0x510 [ 436.927708][ T5598] ? percpu_ref_init+0xd0/0x330 [ 436.932533][ T5598] __should_failslab+0x9f/0xe0 [ 436.937267][ T5598] should_failslab+0x9/0x20 [ 436.941741][ T5598] kmem_cache_alloc_trace+0x3a/0x330 [ 436.947002][ T5598] percpu_ref_init+0xd0/0x330 [ 436.951649][ T5598] ? cgroup_setup_root+0xea0/0xea0 [ 436.956733][ T5598] cgroup_apply_control_enable+0x734/0x12e0 [ 436.962609][ T5598] cgroup_apply_control+0x93/0x710 [ 436.967703][ T5598] ? css_next_child+0x160/0x160 [ 436.972527][ T5598] ? stack_trace_save+0x12d/0x1f0 [ 436.977526][ T5598] ? io_schedule+0x120/0x120 [ 436.982089][ T5598] ? kernfs_fop_write_iter+0x15e/0x410 [ 436.987522][ T5598] ? __kasan_check_write+0x14/0x20 [ 436.992606][ T5598] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 436.997876][ T5598] cgroup_subtree_control_write+0xd19/0x1310 [ 437.003843][ T5598] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 437.009802][ T5598] ? __kasan_check_write+0x14/0x20 [ 437.014897][ T5598] ? _copy_from_iter+0x3fb/0xd60 [ 437.019810][ T5598] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 437.025769][ T5598] cgroup_file_write+0x28e/0x590 [ 437.030696][ T5598] ? cgroup_seqfile_stop+0xc0/0xc0 [ 437.035802][ T5598] ? mutex_lock+0xa6/0x110 [ 437.040200][ T5598] ? mutex_trylock+0xb0/0xb0 [ 437.044769][ T5598] ? __kasan_check_write+0x14/0x20 [ 437.049856][ T5598] kernfs_fop_write_iter+0x2d0/0x410 [ 437.055119][ T5598] ? cgroup_seqfile_stop+0xc0/0xc0 [ 437.060212][ T5598] vfs_write+0xc1c/0xf40 [ 437.064429][ T5598] ? slab_free_freelist_hook+0xcc/0x1a0 [ 437.069952][ T5598] ? kernel_write+0x3c0/0x3c0 [ 437.074599][ T5598] ? do_sys_openat2+0x397/0x470 [ 437.079426][ T5598] ? __kasan_check_read+0x11/0x20 [ 437.084423][ T5598] ? __fdget_pos+0x27e/0x310 [ 437.088983][ T5598] ksys_write+0x198/0x2c0 [ 437.093283][ T5598] ? __ia32_sys_read+0x90/0x90 [ 437.098022][ T5598] ? debug_smp_processor_id+0x17/0x20 [ 437.103365][ T5598] __x64_sys_write+0x7b/0x90 [ 437.107938][ T5598] do_syscall_64+0x34/0x70 [ 437.112326][ T5598] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 437.118186][ T5598] RIP: 0033:0x7f20e245dc09 [ 437.122572][ T5598] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 437.142152][ T5598] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 437.150544][ T5598] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 437.158492][ T5598] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 437.166442][ T5598] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 437.174388][ T5598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 437.182336][ T5598] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000007 [ 437.190396][ T5598] !!!! css_create rcu_enqueue(ffff888111ddb400) !!!! [ 437.197183][ T5598] !!!! control_disable control_disable ss name cpu [ 437.203707][ T5598] !!!! control_disable control_disable ss name memory [ 437.210517][ T5598] !!!! control_disable control_disable ss name pids [ 437.217154][ T5598] !!!! control_disable kill_css(ffff888111dd9400) [ 437.223706][ T5598] !!!! control_disable control_disable ss name cpu [ 437.230285][ T5598] !!!! control_disable control_disable ss name memory [ 437.237084][ T5598] !!!! control_disable control_disable ss name pids [ 437.243685][ T5598] !!!! control_disable kill_css(ffff888111dda800) [ 437.250296][ T5598] !!!! control_disable control_disable ss name cpu [ 437.256806][ C0] !!!! css_killed_ref_fn enqueue(ffff888111dd9400) [ 437.263406][ T5598] !!!! control_disable control_disable ss name memory [ 437.270169][ T5598] !!!! control_disable control_disable ss name cpu [ 437.276658][ T5598] !!!! control_disable control_disable ss name memory [ 437.283388][ T5598] !!!! control_disable control_disable ss name cpu [ 437.289884][ T5598] !!!! control_disable control_disable ss name memory [ 437.296635][ T5598] !!!! control_disable control_disable ss name cpu [ 437.303108][ T5598] !!!! control_disable control_disable ss name memory [ 437.309869][ T5598] !!!! control_disable control_disable ss name cpu [ 437.316362][ T5598] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 437.323091][ T5598] !!!! control_disable control_disable ss name pids [ 437.329716][ T5598] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 437.336283][ T5533] !!!! css_killed_work_fn css_put(ffff888111dd9400) [ 437.343051][ T5533] !!!! css_release enqueue(ffff888111dd9400) [ 437.349144][ C0] !!!! css_killed_ref_fn enqueue(ffff888111dda800) [ 437.355864][ T5533] !!!! css_killed_work_fn css_put(ffff888111dda800) [ 437.362522][ T5533] !!!! css_release enqueue(ffff888111dda800) [ 437.368711][ T5595] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 437.375038][ T5593] !!!! css_create css ffff8881187c9400 !!!! [ 437.381180][ T5593] !!!! css_create css ffff888111659400 !!!! [ 437.387240][ T5593] !!!! css_create css ffff88811d159800 !!!! [ 437.393169][ T5593] FAULT_INJECTION: forcing a failure. [ 437.393169][ T5593] name failslab, interval 1, probability 0, space 0, times 0 [ 437.405925][ T5593] CPU: 0 PID: 5593 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 437.417607][ T5593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.427639][ T5593] Call Trace: [ 437.430903][ T5593] dump_stack_lvl+0x1e2/0x24b [ 437.435573][ T5593] ? bfq_pos_tree_add_move+0x43e/0x43e [ 437.441002][ T5593] ? find_next_bit+0xd6/0x120 [ 437.445647][ T5593] ? cpumask_next+0x11/0x30 [ 437.450125][ T5593] dump_stack+0x15/0x17 [ 437.454251][ T5593] should_fail+0x3c0/0x510 [ 437.458639][ T5593] ? percpu_ref_init+0xd0/0x330 [ 437.463463][ T5593] __should_failslab+0x9f/0xe0 [ 437.468198][ T5593] should_failslab+0x9/0x20 [ 437.472679][ T5593] kmem_cache_alloc_trace+0x3a/0x330 [ 437.477945][ T5593] percpu_ref_init+0xd0/0x330 [ 437.482591][ T5593] ? cgroup_setup_root+0xea0/0xea0 [ 437.487673][ T5593] cgroup_apply_control_enable+0x734/0x12e0 [ 437.493549][ T5593] cgroup_apply_control+0x93/0x710 [ 437.498642][ T5593] ? css_next_child+0x160/0x160 [ 437.503488][ T5593] ? stack_trace_save+0x12d/0x1f0 [ 437.508492][ T5593] ? io_schedule+0x120/0x120 [ 437.513057][ T5593] ? kernfs_fop_write_iter+0x15e/0x410 [ 437.518492][ T5593] ? __kasan_check_write+0x14/0x20 [ 437.523575][ T5593] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 437.528834][ T5593] cgroup_subtree_control_write+0xd19/0x1310 [ 437.534790][ T5593] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 437.540744][ T5593] ? __kasan_check_write+0x14/0x20 [ 437.545826][ T5593] ? _copy_from_iter+0x3fb/0xd60 [ 437.550733][ T5593] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 437.556687][ T5593] cgroup_file_write+0x28e/0x590 [ 437.561610][ T5593] ? cgroup_seqfile_stop+0xc0/0xc0 [ 437.566699][ T5593] ? mutex_lock+0xa6/0x110 [ 437.571098][ T5593] ? mutex_trylock+0xb0/0xb0 [ 437.575678][ T5593] ? __kasan_check_write+0x14/0x20 [ 437.580764][ T5593] kernfs_fop_write_iter+0x2d0/0x410 [ 437.586021][ T5593] ? cgroup_seqfile_stop+0xc0/0xc0 [ 437.591105][ T5593] vfs_write+0xc1c/0xf40 [ 437.595328][ T5593] ? slab_free_freelist_hook+0xcc/0x1a0 [ 437.600846][ T5593] ? kernel_write+0x3c0/0x3c0 [ 437.605494][ T5593] ? do_sys_openat2+0x397/0x470 [ 437.610326][ T5593] ? __kasan_check_read+0x11/0x20 [ 437.615335][ T5593] ? __fdget_pos+0x27e/0x310 [ 437.619901][ T5593] ksys_write+0x198/0x2c0 [ 437.624206][ T5593] ? __ia32_sys_read+0x90/0x90 [ 437.628940][ T5593] ? debug_smp_processor_id+0x17/0x20 [ 437.634288][ T5593] __x64_sys_write+0x7b/0x90 [ 437.638857][ T5593] do_syscall_64+0x34/0x70 [ 437.643247][ T5593] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 437.649112][ T5593] RIP: 0033:0x7f20e245dc09 [ 437.653497][ T5593] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 437.673161][ T5593] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 437.681543][ T5593] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 437.689502][ T5593] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 437.697444][ T5593] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 437.705394][ T5593] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 437.713343][ T5593] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000006 [ 437.721389][ T5593] !!!! css_create rcu_enqueue(ffff88811d159800) !!!! [ 437.728145][ T5593] !!!! control_disable control_disable ss name cpu [ 437.734657][ T5593] !!!! control_disable control_disable ss name memory [ 437.741466][ T5593] !!!! control_disable control_disable ss name pids [ 437.748159][ T5593] !!!! control_disable kill_css(ffff8881187c9400) [ 437.754722][ T5593] !!!! control_disable control_disable ss name cpu [ 437.761304][ T5593] !!!! control_disable control_disable ss name memory [ 437.768186][ T5593] !!!! control_disable control_disable ss name pids [ 437.774784][ T5593] !!!! control_disable kill_css(ffff888111659400) [ 437.774906][ C1] !!!! css_killed_ref_fn enqueue(ffff8881187c9400) [ 437.781571][ T5593] !!!! control_disable control_disable ss name cpu [ 437.794355][ T5593] !!!! control_disable control_disable ss name memory [ 437.801121][ T5593] !!!! control_disable control_disable ss name cpu [ 437.807630][ T5593] !!!! control_disable control_disable ss name memory [ 437.814366][ T5593] !!!! control_disable control_disable ss name cpu [ 437.820855][ T5593] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 437.827609][ T5593] !!!! control_disable control_disable ss name cpu [ 437.834094][ T5593] !!!! control_disable control_disable ss name memory [ 437.840854][ T5593] !!!! control_disable control_disable ss name cpu [ 437.847342][ T5593] !!!! control_disable control_disable ss name memory [ 437.854069][ T5593] !!!! control_disable control_disable ss name pids [ 437.860706][ T5593] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 437.867312][ T5529] !!!! css_killed_work_fn css_put(ffff8881187c9400) [ 437.874364][ C0] !!!! css_killed_ref_fn enqueue(ffff888111659400) [ 437.875061][ T5529] !!!! css_release enqueue(ffff8881187c9400) [ 437.887158][ T5533] !!!! css_killed_work_fn css_put(ffff888111659400) [ 437.893883][ T5533] !!!! css_release enqueue(ffff888111659400) [ 437.900093][ T5600] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 437.900119][ T5597] !!!! css_create css ffff88811ed12800 !!!! [ 437.912537][ T5597] !!!! css_create css ffff88811ed10c00 !!!! [ 437.918577][ T5597] !!!! css_create css ffff88811ed10800 !!!! [ 437.924460][ T5597] FAULT_INJECTION: forcing a failure. [ 437.924460][ T5597] name failslab, interval 1, probability 0, space 0, times 0 [ 437.937078][ T5597] CPU: 1 PID: 5597 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 437.948771][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.958813][ T5597] Call Trace: [ 437.962076][ T5597] dump_stack_lvl+0x1e2/0x24b [ 437.966720][ T5597] ? bfq_pos_tree_add_move+0x43e/0x43e [ 437.972146][ T5597] ? serial8250_console_write+0xae0/0xe60 [ 437.977833][ T5597] ? record_print_text+0x266/0x420 [ 437.982913][ T5597] dump_stack+0x15/0x17 [ 437.987039][ T5597] should_fail+0x3c0/0x510 [ 437.991423][ T5597] ? __kernfs_new_node+0x99/0x6e0 [ 437.996416][ T5597] __should_failslab+0x9f/0xe0 [ 438.001148][ T5597] should_failslab+0x9/0x20 [ 438.005622][ T5597] __kmalloc_track_caller+0x5f/0x350 [ 438.010882][ T5597] kstrdup_const+0x55/0x90 [ 438.015265][ T5597] __kernfs_new_node+0x99/0x6e0 [ 438.020086][ T5597] ? stack_trace_save+0x1f0/0x1f0 [ 438.025081][ T5597] ? kernfs_new_node+0x170/0x170 [ 438.029989][ T5597] ? ptr_to_hashval+0x60/0x60 [ 438.034632][ T5597] ? snprintf+0xd6/0x120 [ 438.038844][ T5597] kernfs_new_node+0x97/0x170 [ 438.043492][ T5597] __kernfs_create_file+0x4a/0x270 [ 438.048570][ T5597] cgroup_addrm_files+0xab8/0xfe0 [ 438.053563][ T5597] ? cgroup_apply_control_enable+0x734/0x12e0 [ 438.059595][ T5597] ? cgroup_apply_control+0x93/0x710 [ 438.064847][ T5597] ? cgroup_subtree_control_write+0xd19/0x1310 [ 438.070967][ T5597] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 438.077088][ T5597] ? delete_node+0x759/0x7b0 [ 438.081665][ T5597] ? __kasan_check_read+0x11/0x20 [ 438.086655][ T5597] ? delete_node+0x759/0x7b0 [ 438.091212][ T5597] ? __kasan_check_write+0x14/0x20 [ 438.096289][ T5597] ? __radix_tree_replace+0x246/0x2e0 [ 438.101630][ T5597] ? idr_get_next+0x4b0/0x4b0 [ 438.106275][ T5597] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 438.111281][ T5597] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 438.116458][ T5597] css_populate_dir+0x137/0x370 [ 438.121278][ T5597] cgroup_apply_control_enable+0x629/0x12e0 [ 438.127138][ T5597] cgroup_apply_control+0x93/0x710 [ 438.132222][ T5597] ? css_next_child+0x160/0x160 [ 438.137041][ T5597] ? stack_trace_save+0x12d/0x1f0 [ 438.142035][ T5597] ? io_schedule+0x120/0x120 [ 438.146594][ T5597] ? kernfs_fop_write_iter+0x15e/0x410 [ 438.152021][ T5597] ? __kasan_check_write+0x14/0x20 [ 438.157114][ T5597] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 438.162366][ T5597] cgroup_subtree_control_write+0xd19/0x1310 [ 438.168325][ T5597] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 438.174273][ T5597] ? __kasan_check_write+0x14/0x20 [ 438.179352][ T5597] ? _copy_from_iter+0x3fb/0xd60 [ 438.184268][ T5597] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 438.190216][ T5597] cgroup_file_write+0x28e/0x590 [ 438.195120][ T5597] ? cgroup_seqfile_stop+0xc0/0xc0 [ 438.200213][ T5597] ? mutex_lock+0xa6/0x110 [ 438.204600][ T5597] ? mutex_trylock+0xb0/0xb0 [ 438.209172][ T5597] ? __kasan_check_write+0x14/0x20 [ 438.214263][ T5597] kernfs_fop_write_iter+0x2d0/0x410 [ 438.219517][ T5597] ? cgroup_seqfile_stop+0xc0/0xc0 [ 438.224613][ T5597] vfs_write+0xc1c/0xf40 [ 438.228834][ T5597] ? slab_free_freelist_hook+0xcc/0x1a0 [ 438.234349][ T5597] ? kernel_write+0x3c0/0x3c0 [ 438.238997][ T5597] ? do_sys_openat2+0x397/0x470 [ 438.243823][ T5597] ? __kasan_check_read+0x11/0x20 [ 438.248822][ T5597] ? __fdget_pos+0x27e/0x310 [ 438.253390][ T5597] ksys_write+0x198/0x2c0 [ 438.257704][ T5597] ? __ia32_sys_read+0x90/0x90 [ 438.262546][ T5597] ? debug_smp_processor_id+0x17/0x20 [ 438.267897][ T5597] __x64_sys_write+0x7b/0x90 [ 438.272475][ T5597] do_syscall_64+0x34/0x70 [ 438.276869][ T5597] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 438.282735][ T5597] RIP: 0033:0x7f20e245dc09 [ 438.287133][ T5597] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 438.306712][ T5597] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 438.315103][ T5597] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 438.323066][ T5597] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 438.331114][ T5597] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 438.339066][ T5597] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 438.347014][ T5597] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000008 [ 438.355173][ T5597] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 438.362296][ T5597] !!!! control_disable control_disable ss name cpu [ 438.368828][ T5597] !!!! control_disable control_disable ss name memory [ 438.375585][ T5597] !!!! control_disable control_disable ss name pids [ 438.382146][ T5597] !!!! control_disable kill_css(ffff88811ed12800) [ 438.388704][ T5597] !!!! control_disable control_disable ss name cpu [ 438.395230][ T5597] !!!! control_disable control_disable ss name memory [ 438.401972][ T5597] !!!! control_disable control_disable ss name pids [ 438.408570][ T5597] !!!! control_disable kill_css(ffff88811ed10c00) [ 438.415092][ T5597] !!!! control_disable control_disable ss name cpu [ 438.421562][ T5597] !!!! control_disable control_disable ss name memory [ 438.428322][ T5597] !!!! control_disable control_disable ss name pids [ 438.434955][ T5597] !!!! control_disable kill_css(ffff88811ed10800) [ 438.441438][ T5597] !!!! control_disable control_disable ss name cpu [ 438.447942][ T5597] !!!! control_disable control_disable ss name memory [ 438.454684][ T5597] !!!! control_disable control_disable ss name cpu [ 438.461189][ T5597] !!!! control_disable control_disable ss name memory [ 438.467962][ T5597] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 438.474446][ T5597] !!!! control_disable control_disable ss name memory [ 438.481205][ T5597] !!!! control_disable control_disable ss name cpu [ 438.487721][ T5597] !!!! control_disable control_disable ss name memory [ 438.494467][ T5597] !!!! control_disable control_disable ss name pids [ 438.501056][ T5597] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 438.514932][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ed12800) [ 438.521643][ T5533] !!!! css_killed_work_fn css_put(ffff88811ed12800) [ 438.528441][ T5533] !!!! css_release enqueue(ffff88811ed12800) [ 438.544923][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ed10c00) [ 438.551510][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ed10800) [ 438.558264][ T5533] !!!! css_killed_work_fn css_put(ffff88811ed10c00) [ 438.564953][ T5533] !!!! css_release enqueue(ffff88811ed10c00) [ 438.571015][ T5533] !!!! css_killed_work_fn css_put(ffff88811ed10800) [ 438.577826][ T5533] !!!! css_release enqueue(ffff88811ed10800) [ 438.583904][ T5602] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 438.585084][ T5595] !!!! css_create css ffff88810fd0b800 !!!! [ 438.596322][ T5595] !!!! css_create css ffff88810fd09400 !!!! [ 438.602218][ T5595] !!!! css_create css ffff88810fd0a800 !!!! [ 438.608136][ T5595] FAULT_INJECTION: forcing a failure. [ 438.608136][ T5595] name failslab, interval 1, probability 0, space 0, times 0 [ 438.620717][ T5595] CPU: 0 PID: 5595 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 438.632395][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 438.642438][ T5595] Call Trace: [ 438.645705][ T5595] dump_stack_lvl+0x1e2/0x24b [ 438.650352][ T5595] ? bfq_pos_tree_add_move+0x43e/0x43e [ 438.655782][ T5595] ? find_next_bit+0xd6/0x120 [ 438.660430][ T5595] ? cpumask_next+0x11/0x30 [ 438.664916][ T5595] dump_stack+0x15/0x17 [ 438.669061][ T5595] should_fail+0x3c0/0x510 [ 438.673503][ T5595] ? percpu_ref_init+0xd0/0x330 [ 438.678343][ T5595] __should_failslab+0x9f/0xe0 [ 438.683088][ T5595] should_failslab+0x9/0x20 [ 438.687563][ T5595] kmem_cache_alloc_trace+0x3a/0x330 [ 438.692824][ T5595] percpu_ref_init+0xd0/0x330 [ 438.697474][ T5595] ? cgroup_setup_root+0xea0/0xea0 [ 438.702562][ T5595] cgroup_apply_control_enable+0x734/0x12e0 [ 438.708432][ T5595] cgroup_apply_control+0x93/0x710 [ 438.713519][ T5595] ? css_next_child+0x160/0x160 [ 438.718378][ T5595] ? stack_trace_save+0x12d/0x1f0 [ 438.723378][ T5595] ? io_schedule+0x120/0x120 [ 438.727955][ T5595] ? kernfs_fop_write_iter+0x15e/0x410 [ 438.733388][ T5595] ? __kasan_check_write+0x14/0x20 [ 438.738471][ T5595] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 438.743727][ T5595] cgroup_subtree_control_write+0xd19/0x1310 [ 438.749678][ T5595] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 438.755677][ T5595] ? __kasan_check_write+0x14/0x20 [ 438.760769][ T5595] ? _copy_from_iter+0x3fb/0xd60 [ 438.765683][ T5595] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 438.771635][ T5595] cgroup_file_write+0x28e/0x590 [ 438.776544][ T5595] ? cgroup_seqfile_stop+0xc0/0xc0 [ 438.781628][ T5595] ? mutex_lock+0xa6/0x110 [ 438.786016][ T5595] ? mutex_trylock+0xb0/0xb0 [ 438.790580][ T5595] ? __kasan_check_write+0x14/0x20 [ 438.795665][ T5595] kernfs_fop_write_iter+0x2d0/0x410 [ 438.800922][ T5595] ? cgroup_seqfile_stop+0xc0/0xc0 [ 438.806004][ T5595] vfs_write+0xc1c/0xf40 [ 438.810217][ T5595] ? slab_free_freelist_hook+0xcc/0x1a0 [ 438.815741][ T5595] ? kernel_write+0x3c0/0x3c0 [ 438.820388][ T5595] ? do_sys_openat2+0x397/0x470 [ 438.825222][ T5595] ? __kasan_check_read+0x11/0x20 [ 438.830216][ T5595] ? __fdget_pos+0x27e/0x310 [ 438.834787][ T5595] ksys_write+0x198/0x2c0 [ 438.839115][ T5595] ? __ia32_sys_read+0x90/0x90 [ 438.843859][ T5595] ? debug_smp_processor_id+0x17/0x20 [ 438.849204][ T5595] __x64_sys_write+0x7b/0x90 [ 438.853770][ T5595] do_syscall_64+0x34/0x70 [ 438.858161][ T5595] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 438.864024][ T5595] RIP: 0033:0x7f20e245dc09 [ 438.868416][ T5595] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 438.887997][ T5595] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 438.896666][ T5595] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 438.904621][ T5595] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 438.912577][ T5595] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 438.920519][ T5595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 438.928462][ T5595] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000007 [ 438.936589][ T5595] !!!! css_create rcu_enqueue(ffff88810fd0a800) !!!! [ 438.943274][ T5595] !!!! control_disable control_disable ss name cpu [ 438.949803][ T5595] !!!! control_disable control_disable ss name memory [ 438.956562][ T5595] !!!! control_disable control_disable ss name pids [ 438.963118][ T5595] !!!! control_disable kill_css(ffff88810fd0b800) [ 438.969658][ T5595] !!!! control_disable control_disable ss name cpu [ 438.976148][ T5595] !!!! control_disable control_disable ss name memory [ 438.982964][ T5595] !!!! control_disable control_disable ss name pids [ 438.989543][ T5595] !!!! control_disable kill_css(ffff88810fd09400) [ 438.996092][ T5595] !!!! control_disable control_disable ss name cpu [ 439.002574][ T5595] !!!! control_disable control_disable ss name memory [ 439.009325][ T5595] !!!! control_disable control_disable ss name cpu [ 439.015812][ T5595] !!!! control_disable control_disable ss name memory [ 439.022557][ T5595] !!!! control_disable control_disable ss name cpu [ 439.029063][ T5595] !!!! control_disable control_disable ss name memory [ 439.035823][ T5595] !!!! control_disable control_disable ss name cpu [ 439.042293][ T5595] !!!! control_disable control_disable ss name memory [ 439.049044][ T5595] !!!! control_disable control_disable ss name cpu [ 439.055541][ T5595] !!!! control_disable control_disable ss name memory [ 439.062270][ T5595] !!!! control_disable control_disable ss name pids [ 439.068898][ T5595] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 439.144937][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fd0b800) [ 439.151576][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fd09400) [ 439.158248][ T5533] !!!! css_killed_work_fn css_put(ffff88810fd0b800) [ 439.164923][ T5533] !!!! css_release enqueue(ffff88810fd0b800) [ 439.170977][ T5533] !!!! css_killed_work_fn css_put(ffff88810fd09400) [ 439.177652][ T5533] !!!! css_release enqueue(ffff88810fd09400) [ 439.183749][ T5601] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 439.183793][ T5599] !!!! css_create css ffff88810fd08c00 !!!! [ 439.196209][ T5599] !!!! css_create css ffff88810fd0b400 !!!! [ 439.202111][ T5599] !!!! css_create css ffff88810fd08800 !!!! [ 439.208005][ T5599] FAULT_INJECTION: forcing a failure. [ 439.208005][ T5599] name failslab, interval 1, probability 0, space 0, times 0 [ 439.220605][ T5599] CPU: 0 PID: 5599 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 439.232299][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.242330][ T5599] Call Trace: [ 439.245612][ T5599] dump_stack_lvl+0x1e2/0x24b [ 439.250268][ T5599] ? bfq_pos_tree_add_move+0x43e/0x43e [ 439.255715][ T5599] ? find_next_bit+0xd6/0x120 [ 439.260391][ T5599] ? cpumask_next+0x11/0x30 [ 439.264867][ T5599] dump_stack+0x15/0x17 [ 439.269005][ T5599] should_fail+0x3c0/0x510 [ 439.273395][ T5599] ? percpu_ref_init+0xd0/0x330 [ 439.278217][ T5599] __should_failslab+0x9f/0xe0 [ 439.282957][ T5599] should_failslab+0x9/0x20 [ 439.287437][ T5599] kmem_cache_alloc_trace+0x3a/0x330 [ 439.292693][ T5599] percpu_ref_init+0xd0/0x330 [ 439.297341][ T5599] ? cgroup_setup_root+0xea0/0xea0 [ 439.302426][ T5599] cgroup_apply_control_enable+0x734/0x12e0 [ 439.308291][ T5599] cgroup_apply_control+0x93/0x710 [ 439.313372][ T5599] ? css_next_child+0x160/0x160 [ 439.318215][ T5599] ? stack_trace_save+0x12d/0x1f0 [ 439.323231][ T5599] ? io_schedule+0x120/0x120 [ 439.327802][ T5599] ? kernfs_fop_write_iter+0x15e/0x410 [ 439.333244][ T5599] ? __kasan_check_write+0x14/0x20 [ 439.338333][ T5599] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 439.343604][ T5599] cgroup_subtree_control_write+0xd19/0x1310 [ 439.349559][ T5599] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 439.355527][ T5599] ? __kasan_check_write+0x14/0x20 [ 439.360618][ T5599] ? _copy_from_iter+0x3fb/0xd60 [ 439.365538][ T5599] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 439.371487][ T5599] cgroup_file_write+0x28e/0x590 [ 439.376398][ T5599] ? cgroup_seqfile_stop+0xc0/0xc0 [ 439.381570][ T5599] ? mutex_lock+0xa6/0x110 [ 439.385958][ T5599] ? mutex_trylock+0xb0/0xb0 [ 439.390521][ T5599] ? __kasan_check_write+0x14/0x20 [ 439.395602][ T5599] kernfs_fop_write_iter+0x2d0/0x410 [ 439.400857][ T5599] ? cgroup_seqfile_stop+0xc0/0xc0 [ 439.405938][ T5599] vfs_write+0xc1c/0xf40 [ 439.410149][ T5599] ? slab_free_freelist_hook+0xcc/0x1a0 [ 439.415667][ T5599] ? kernel_write+0x3c0/0x3c0 [ 439.420317][ T5599] ? do_sys_openat2+0x397/0x470 [ 439.425139][ T5599] ? __kasan_check_read+0x11/0x20 [ 439.430135][ T5599] ? __fdget_pos+0x27e/0x310 [ 439.434697][ T5599] ksys_write+0x198/0x2c0 [ 439.439037][ T5599] ? __ia32_sys_read+0x90/0x90 [ 439.443772][ T5599] ? debug_smp_processor_id+0x17/0x20 [ 439.449118][ T5599] __x64_sys_write+0x7b/0x90 [ 439.453687][ T5599] do_syscall_64+0x34/0x70 [ 439.458095][ T5599] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 439.463972][ T5599] RIP: 0033:0x7f20e245dc09 [ 439.468366][ T5599] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 439.487956][ T5599] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 439.496347][ T5599] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 439.504315][ T5599] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 439.512269][ T5599] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 439.520220][ T5599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 439.528171][ T5599] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000007 [ 439.536290][ T5599] !!!! css_create rcu_enqueue(ffff88810fd08800) !!!! [ 439.543066][ T5599] !!!! control_disable control_disable ss name cpu [ 439.549630][ T5599] !!!! control_disable control_disable ss name memory [ 439.556464][ T5599] !!!! control_disable control_disable ss name pids [ 439.563078][ T5599] !!!! control_disable kill_css(ffff88810fd08c00) [ 439.569690][ T5599] !!!! control_disable control_disable ss name cpu [ 439.576239][ T5599] !!!! control_disable control_disable ss name memory [ 439.583006][ T5599] !!!! control_disable control_disable ss name pids [ 439.589734][ T5599] !!!! control_disable kill_css(ffff88810fd0b400) [ 439.596363][ T5599] !!!! control_disable control_disable ss name cpu [ 439.596920][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fd08c00) [ 439.602885][ T5599] !!!! control_disable control_disable ss name memory [ 439.616214][ T5599] !!!! control_disable control_disable ss name cpu [ 439.622683][ T5599] !!!! control_disable control_disable ss name memory [ 439.629479][ T5599] !!!! control_disable control_disable ss name cpu [ 439.629680][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fd0b400) write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 439.636062][ T5599] !!!! control_disable control_disable ss name memory [ 439.649334][ T5599] !!!! control_disable control_disable ss name cpu [ 439.655835][ T5599] !!!! control_disable control_disable ss name memory [ 439.662670][ T5599] !!!! control_disable control_disable ss name cpu [ 439.669172][ T5599] !!!! control_disable control_disable ss name memory [ 439.675921][ T5599] !!!! control_disable control_disable ss name pids [ 439.682491][ T5599] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 439.689031][ T5533] !!!! css_killed_work_fn css_put(ffff88810fd08c00) [ 439.695715][ T5533] !!!! css_release enqueue(ffff88810fd08c00) [ 439.701911][ T5529] !!!! css_killed_work_fn css_put(ffff88810fd0b400) [ 439.709578][ T5529] !!!! css_release enqueue(ffff88810fd0b400) [ 439.715770][ T5603] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 439.715887][ T5600] !!!! css_create css ffff88810fd09c00 !!!! [ 439.728193][ T5600] !!!! css_create css ffff88810fd09000 !!!! [ 439.734083][ T5600] !!!! css_create css ffff88810fd08000 !!!! [ 439.740044][ T5600] FAULT_INJECTION: forcing a failure. [ 439.740044][ T5600] name failslab, interval 1, probability 0, space 0, times 0 [ 439.752621][ T5600] CPU: 0 PID: 5600 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 439.764300][ T5600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.774327][ T5600] Call Trace: [ 439.777589][ T5600] dump_stack_lvl+0x1e2/0x24b [ 439.782237][ T5600] ? bfq_pos_tree_add_move+0x43e/0x43e [ 439.787685][ T5600] dump_stack+0x15/0x17 [ 439.791919][ T5600] should_fail+0x3c0/0x510 [ 439.796313][ T5600] ? __kernfs_new_node+0x99/0x6e0 [ 439.801310][ T5600] __should_failslab+0x9f/0xe0 [ 439.806064][ T5600] should_failslab+0x9/0x20 [ 439.810541][ T5600] __kmalloc_track_caller+0x5f/0x350 [ 439.815796][ T5600] kstrdup_const+0x55/0x90 [ 439.820180][ T5600] __kernfs_new_node+0x99/0x6e0 [ 439.825004][ T5600] ? stack_trace_save+0x1f0/0x1f0 [ 439.829998][ T5600] ? kernfs_new_node+0x170/0x170 [ 439.834913][ T5600] ? ptr_to_hashval+0x60/0x60 [ 439.839570][ T5600] ? snprintf+0xd6/0x120 [ 439.843788][ T5600] kernfs_new_node+0x97/0x170 [ 439.848433][ T5600] __kernfs_create_file+0x4a/0x270 [ 439.853521][ T5600] cgroup_addrm_files+0xab8/0xfe0 [ 439.858549][ T5600] ? cgroup_apply_control_enable+0x734/0x12e0 [ 439.864587][ T5600] ? cgroup_apply_control+0x93/0x710 [ 439.869861][ T5600] ? cgroup_subtree_control_write+0xd19/0x1310 [ 439.875995][ T5600] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 439.882116][ T5600] ? delete_node+0x759/0x7b0 [ 439.886679][ T5600] ? __kasan_check_read+0x11/0x20 [ 439.891675][ T5600] ? delete_node+0x759/0x7b0 [ 439.896236][ T5600] ? __kasan_check_write+0x14/0x20 [ 439.901313][ T5600] ? __radix_tree_replace+0x246/0x2e0 [ 439.906652][ T5600] ? idr_get_next+0x4b0/0x4b0 [ 439.911297][ T5600] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 439.916289][ T5600] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 439.921458][ T5600] css_populate_dir+0x137/0x370 [ 439.926281][ T5600] cgroup_apply_control_enable+0x629/0x12e0 [ 439.932143][ T5600] cgroup_apply_control+0x93/0x710 [ 439.937223][ T5600] ? css_next_child+0x160/0x160 [ 439.942047][ T5600] ? stack_trace_save+0x12d/0x1f0 [ 439.947047][ T5600] ? io_schedule+0x120/0x120 [ 439.951605][ T5600] ? kernfs_fop_write_iter+0x15e/0x410 [ 439.957033][ T5600] ? __kasan_check_write+0x14/0x20 [ 439.962114][ T5600] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 439.967371][ T5600] cgroup_subtree_control_write+0xd19/0x1310 [ 439.973338][ T5600] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 439.979296][ T5600] ? __kasan_check_write+0x14/0x20 [ 439.984387][ T5600] ? _copy_from_iter+0x3fb/0xd60 [ 439.989293][ T5600] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 439.995245][ T5600] cgroup_file_write+0x28e/0x590 [ 440.000153][ T5600] ? cgroup_seqfile_stop+0xc0/0xc0 [ 440.005234][ T5600] ? mutex_lock+0xa6/0x110 [ 440.009624][ T5600] ? mutex_trylock+0xb0/0xb0 [ 440.014187][ T5600] ? __kasan_check_write+0x14/0x20 [ 440.019272][ T5600] kernfs_fop_write_iter+0x2d0/0x410 [ 440.024532][ T5600] ? cgroup_seqfile_stop+0xc0/0xc0 [ 440.029624][ T5600] vfs_write+0xc1c/0xf40 [ 440.033843][ T5600] ? slab_free_freelist_hook+0xcc/0x1a0 [ 440.039358][ T5600] ? kernel_write+0x3c0/0x3c0 [ 440.044008][ T5600] ? do_sys_openat2+0x397/0x470 [ 440.048833][ T5600] ? __kasan_check_read+0x11/0x20 [ 440.053834][ T5600] ? __fdget_pos+0x27e/0x310 [ 440.058396][ T5600] ksys_write+0x198/0x2c0 [ 440.062698][ T5600] ? __ia32_sys_read+0x90/0x90 [ 440.067435][ T5600] ? debug_smp_processor_id+0x17/0x20 [ 440.072783][ T5600] __x64_sys_write+0x7b/0x90 [ 440.077348][ T5600] do_syscall_64+0x34/0x70 [ 440.081744][ T5600] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 440.087616][ T5600] RIP: 0033:0x7f20e245dc09 [ 440.092014][ T5600] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 440.111606][ T5600] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 440.120002][ T5600] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 440.127957][ T5600] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 440.135905][ T5600] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 440.143854][ T5600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 440.151807][ T5600] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000007 [ 440.159992][ T5600] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 440.167111][ T5600] !!!! control_disable control_disable ss name cpu [ 440.173627][ T5600] !!!! control_disable control_disable ss name memory [ 440.180524][ T5600] !!!! control_disable control_disable ss name pids [ 440.187197][ T5600] !!!! control_disable kill_css(ffff88810fd09c00) [ 440.193718][ T5600] !!!! control_disable control_disable ss name cpu [ 440.200255][ T5600] !!!! control_disable control_disable ss name memory [ 440.207061][ T5600] !!!! control_disable control_disable ss name pids [ 440.213663][ T5600] !!!! control_disable kill_css(ffff88810fd09000) [ 440.220261][ T5600] !!!! control_disable control_disable ss name cpu [ 440.224904][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fd09c00) [ 440.226822][ T5600] !!!! control_disable control_disable ss name memory [ 440.240112][ T5600] !!!! control_disable control_disable ss name pids [ 440.246696][ T5600] !!!! control_disable kill_css(ffff88810fd08000) [ 440.253190][ T5600] !!!! control_disable control_disable ss name cpu [ 440.259699][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fd09000) [ 440.266306][ T5600] !!!! control_disable control_disable ss name memory [ 440.273042][ T5600] !!!! control_disable control_disable ss name cpu [ 440.279564][ T5600] !!!! control_disable control_disable ss name memory [ 440.286427][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fd08000) [ 440.293019][ T5600] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 440.299512][ T5600] !!!! control_disable control_disable ss name memory [ 440.306264][ T5600] !!!! control_disable control_disable ss name cpu [ 440.312740][ T5600] !!!! control_disable control_disable ss name memory [ 440.319505][ T5600] !!!! control_disable control_disable ss name pids [ 440.326100][ T5600] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 440.326407][ T5529] !!!! css_killed_work_fn css_put(ffff88810fd09c00) [ 440.339302][ T5529] !!!! css_release enqueue(ffff88810fd09c00) [ 440.345546][ T5533] !!!! css_killed_work_fn css_put(ffff88810fd09000) [ 440.352284][ T5533] !!!! css_release enqueue(ffff88810fd09000) [ 440.358702][ T5533] !!!! css_killed_work_fn css_put(ffff88810fd08000) [ 440.365510][ T5533] !!!! css_release enqueue(ffff88810fd08000) [ 440.371709][ T5606] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 440.372668][ T5602] !!!! css_create css ffff8881129aac00 !!!! [ 440.384188][ T5602] !!!! css_create css ffff8881129ab800 !!!! [ 440.390225][ T5602] !!!! css_create css ffff8881129aa800 !!!! [ 440.396243][ T5602] FAULT_INJECTION: forcing a failure. [ 440.396243][ T5602] name failslab, interval 1, probability 0, space 0, times 0 [ 440.408967][ T5602] CPU: 1 PID: 5602 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 440.420665][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 440.430703][ T5602] Call Trace: [ 440.433973][ T5602] dump_stack_lvl+0x1e2/0x24b [ 440.438646][ T5602] ? bfq_pos_tree_add_move+0x43e/0x43e [ 440.444079][ T5602] dump_stack+0x15/0x17 [ 440.448217][ T5602] should_fail+0x3c0/0x510 [ 440.452608][ T5602] ? __kernfs_new_node+0x99/0x6e0 [ 440.457607][ T5602] __should_failslab+0x9f/0xe0 [ 440.462349][ T5602] should_failslab+0x9/0x20 [ 440.466831][ T5602] __kmalloc_track_caller+0x5f/0x350 [ 440.472097][ T5602] kstrdup_const+0x55/0x90 [ 440.476501][ T5602] __kernfs_new_node+0x99/0x6e0 [ 440.481337][ T5602] ? stack_trace_save+0x1f0/0x1f0 [ 440.486337][ T5602] ? kernfs_new_node+0x170/0x170 [ 440.491250][ T5602] ? ptr_to_hashval+0x60/0x60 [ 440.495906][ T5602] ? snprintf+0xd6/0x120 [ 440.500130][ T5602] kernfs_new_node+0x97/0x170 [ 440.504786][ T5602] __kernfs_create_file+0x4a/0x270 [ 440.509993][ T5602] cgroup_addrm_files+0xab8/0xfe0 [ 440.515000][ T5602] ? cgroup_apply_control_enable+0x734/0x12e0 [ 440.521048][ T5602] ? cgroup_apply_control+0x93/0x710 [ 440.526306][ T5602] ? cgroup_subtree_control_write+0xd19/0x1310 [ 440.532436][ T5602] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 440.538565][ T5602] ? delete_node+0x759/0x7b0 [ 440.543140][ T5602] ? __kasan_check_read+0x11/0x20 [ 440.548155][ T5602] ? delete_node+0x759/0x7b0 [ 440.552733][ T5602] ? __kasan_check_write+0x14/0x20 [ 440.557819][ T5602] ? __radix_tree_replace+0x246/0x2e0 [ 440.563172][ T5602] ? idr_get_next+0x4b0/0x4b0 [ 440.567848][ T5602] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 440.572861][ T5602] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 440.578048][ T5602] css_populate_dir+0x137/0x370 [ 440.582878][ T5602] cgroup_apply_control_enable+0x629/0x12e0 [ 440.588754][ T5602] cgroup_apply_control+0x93/0x710 [ 440.593838][ T5602] ? css_next_child+0x160/0x160 [ 440.598662][ T5602] ? stack_trace_save+0x12d/0x1f0 [ 440.603657][ T5602] ? io_schedule+0x120/0x120 [ 440.608222][ T5602] ? kernfs_fop_write_iter+0x15e/0x410 [ 440.613654][ T5602] ? __kasan_check_write+0x14/0x20 [ 440.618739][ T5602] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 440.624003][ T5602] cgroup_subtree_control_write+0xd19/0x1310 [ 440.629970][ T5602] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 440.635925][ T5602] ? __kasan_check_write+0x14/0x20 [ 440.641005][ T5602] ? _copy_from_iter+0x3fb/0xd60 [ 440.645917][ T5602] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 440.651864][ T5602] cgroup_file_write+0x28e/0x590 [ 440.656789][ T5602] ? cgroup_seqfile_stop+0xc0/0xc0 [ 440.661872][ T5602] ? mutex_lock+0xa6/0x110 [ 440.666259][ T5602] ? mutex_trylock+0xb0/0xb0 [ 440.670824][ T5602] ? __kasan_check_write+0x14/0x20 [ 440.675907][ T5602] kernfs_fop_write_iter+0x2d0/0x410 [ 440.681169][ T5602] ? cgroup_seqfile_stop+0xc0/0xc0 [ 440.686252][ T5602] vfs_write+0xc1c/0xf40 [ 440.690469][ T5602] ? slab_free_freelist_hook+0xcc/0x1a0 [ 440.696001][ T5602] ? kernel_write+0x3c0/0x3c0 [ 440.700651][ T5602] ? do_sys_openat2+0x397/0x470 [ 440.705475][ T5602] ? __kasan_check_read+0x11/0x20 [ 440.710470][ T5602] ? __fdget_pos+0x27e/0x310 [ 440.715042][ T5602] ksys_write+0x198/0x2c0 [ 440.719378][ T5602] ? __ia32_sys_read+0x90/0x90 [ 440.724135][ T5602] ? debug_smp_processor_id+0x17/0x20 [ 440.729479][ T5602] __x64_sys_write+0x7b/0x90 [ 440.734043][ T5602] do_syscall_64+0x34/0x70 [ 440.738447][ T5602] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 440.744316][ T5602] RIP: 0033:0x7f20e245dc09 [ 440.748705][ T5602] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 440.769373][ T5602] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 440.777769][ T5602] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 440.785713][ T5602] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 440.793781][ T5602] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 440.801731][ T5602] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 440.809682][ T5602] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000007 [ 440.818066][ T5602] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 440.825212][ T5602] !!!! control_disable control_disable ss name cpu [ 440.831772][ T5602] !!!! control_disable control_disable ss name memory [ 440.838642][ T5602] !!!! control_disable control_disable ss name pids [ 440.845268][ T5602] !!!! control_disable kill_css(ffff8881129aac00) [ 440.851853][ T5602] !!!! control_disable control_disable ss name cpu [ 440.858440][ T5602] !!!! control_disable control_disable ss name memory [ 440.865281][ T5602] !!!! control_disable control_disable ss name pids [ 440.871909][ T5602] !!!! control_disable kill_css(ffff8881129ab800) [ 440.878459][ C0] !!!! css_killed_ref_fn enqueue(ffff8881129aac00) [ 440.885126][ T5602] !!!! control_disable control_disable ss name cpu [ 440.891611][ T5602] !!!! control_disable control_disable ss name memory [ 440.898396][ T5602] !!!! control_disable control_disable ss name pids [ 440.904980][ T5602] !!!! control_disable kill_css(ffff8881129aa800) [ 440.911468][ T5602] !!!! control_disable control_disable ss name cpu [ 440.917985][ T5602] !!!! control_disable control_disable ss name memory [ 440.924733][ T5602] !!!! control_disable control_disable ss name cpu [ 440.931252][ T5602] !!!! control_disable control_disable ss name memory [ 440.938034][ T5602] !!!! control_disable control_disable ss name cpu [ 440.944519][ T5602] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 440.951276][ T5602] !!!! control_disable control_disable ss name cpu [ 440.957773][ T5602] !!!! control_disable control_disable ss name memory [ 440.964502][ T5602] !!!! control_disable control_disable ss name pids [ 440.971194][ T5533] !!!! css_killed_work_fn css_put(ffff8881129aac00) [ 440.971278][ T5602] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 440.977907][ T5533] !!!! css_release enqueue(ffff8881129aac00) [ 440.990468][ C0] !!!! css_killed_ref_fn enqueue(ffff8881129ab800) [ 440.997258][ T5533] !!!! css_killed_work_fn css_put(ffff8881129ab800) [ 441.003923][ T5533] !!!! css_release enqueue(ffff8881129ab800) [ 441.010264][ C0] !!!! css_killed_ref_fn enqueue(ffff8881129aa800) [ 441.016936][ T5533] !!!! css_killed_work_fn css_put(ffff8881129aa800) [ 441.023597][ T5533] !!!! css_release enqueue(ffff8881129aa800) [ 441.029703][ T5607] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 441.030114][ T5606] !!!! css_create css ffff888122359c00 !!!! [ 441.042178][ T5606] !!!! css_create css ffff888122359000 !!!! [ 441.048141][ T5606] !!!! css_create css ffff888122358000 !!!! [ 441.054028][ T5606] FAULT_INJECTION: forcing a failure. [ 441.054028][ T5606] name failslab, interval 1, probability 0, space 0, times 0 [ 441.066613][ T5606] CPU: 1 PID: 5606 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 441.078309][ T5606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 441.088336][ T5606] Call Trace: [ 441.091604][ T5606] dump_stack_lvl+0x1e2/0x24b [ 441.096256][ T5606] ? bfq_pos_tree_add_move+0x43e/0x43e [ 441.101690][ T5606] ? serial8250_console_write+0xae0/0xe60 [ 441.107382][ T5606] ? record_print_text+0x266/0x420 [ 441.112468][ T5606] dump_stack+0x15/0x17 [ 441.116595][ T5606] should_fail+0x3c0/0x510 [ 441.120986][ T5606] ? __kernfs_new_node+0x99/0x6e0 [ 441.125984][ T5606] __should_failslab+0x9f/0xe0 [ 441.130734][ T5606] should_failslab+0x9/0x20 [ 441.135215][ T5606] __kmalloc_track_caller+0x5f/0x350 [ 441.140475][ T5606] kstrdup_const+0x55/0x90 [ 441.144878][ T5606] __kernfs_new_node+0x99/0x6e0 [ 441.149709][ T5606] ? stack_trace_save+0x1f0/0x1f0 [ 441.154707][ T5606] ? kernfs_new_node+0x170/0x170 [ 441.159615][ T5606] ? ptr_to_hashval+0x60/0x60 [ 441.164265][ T5606] ? snprintf+0xd6/0x120 [ 441.168481][ T5606] kernfs_new_node+0x97/0x170 [ 441.173140][ T5606] __kernfs_create_file+0x4a/0x270 [ 441.178231][ T5606] cgroup_addrm_files+0xab8/0xfe0 [ 441.183245][ T5606] ? cgroup_apply_control_enable+0x734/0x12e0 [ 441.189367][ T5606] ? cgroup_apply_control+0x93/0x710 [ 441.194622][ T5606] ? cgroup_subtree_control_write+0xd19/0x1310 [ 441.200750][ T5606] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 441.206875][ T5606] ? delete_node+0x759/0x7b0 [ 441.211444][ T5606] ? __kasan_check_read+0x11/0x20 [ 441.216438][ T5606] ? delete_node+0x759/0x7b0 [ 441.221009][ T5606] ? __kasan_check_write+0x14/0x20 [ 441.226109][ T5606] ? __radix_tree_replace+0x246/0x2e0 [ 441.231465][ T5606] ? idr_get_next+0x4b0/0x4b0 [ 441.236113][ T5606] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 441.241109][ T5606] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 441.246284][ T5606] css_populate_dir+0x137/0x370 [ 441.251125][ T5606] cgroup_apply_control_enable+0x629/0x12e0 [ 441.256987][ T5606] cgroup_apply_control+0x93/0x710 [ 441.262066][ T5606] ? css_next_child+0x160/0x160 [ 441.266883][ T5606] ? stack_trace_save+0x12d/0x1f0 [ 441.271892][ T5606] ? io_schedule+0x120/0x120 [ 441.276465][ T5606] ? kernfs_fop_write_iter+0x15e/0x410 [ 441.281909][ T5606] ? __kasan_check_write+0x14/0x20 [ 441.287004][ T5606] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 441.292272][ T5606] cgroup_subtree_control_write+0xd19/0x1310 [ 441.298250][ T5606] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 441.304209][ T5606] ? __kasan_check_write+0x14/0x20 [ 441.309316][ T5606] ? _copy_from_iter+0x3fb/0xd60 [ 441.314232][ T5606] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 441.320186][ T5606] cgroup_file_write+0x28e/0x590 [ 441.325096][ T5606] ? cgroup_seqfile_stop+0xc0/0xc0 [ 441.330182][ T5606] ? mutex_lock+0xa6/0x110 [ 441.334576][ T5606] ? mutex_trylock+0xb0/0xb0 [ 441.339142][ T5606] ? __kasan_check_write+0x14/0x20 [ 441.344227][ T5606] kernfs_fop_write_iter+0x2d0/0x410 [ 441.349491][ T5606] ? cgroup_seqfile_stop+0xc0/0xc0 [ 441.354588][ T5606] vfs_write+0xc1c/0xf40 [ 441.358803][ T5606] ? slab_free_freelist_hook+0xcc/0x1a0 [ 441.364319][ T5606] ? kernel_write+0x3c0/0x3c0 [ 441.368969][ T5606] ? do_sys_openat2+0x397/0x470 [ 441.373795][ T5606] ? __kasan_check_read+0x11/0x20 [ 441.378791][ T5606] ? __fdget_pos+0x27e/0x310 [ 441.383357][ T5606] ksys_write+0x198/0x2c0 [ 441.387665][ T5606] ? __ia32_sys_read+0x90/0x90 [ 441.392402][ T5606] ? debug_smp_processor_id+0x17/0x20 [ 441.397753][ T5606] __x64_sys_write+0x7b/0x90 [ 441.402338][ T5606] do_syscall_64+0x34/0x70 [ 441.406729][ T5606] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 441.412591][ T5606] RIP: 0033:0x7f20e245dc09 [ 441.416995][ T5606] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 441.436569][ T5606] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 441.444960][ T5606] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 441.452907][ T5606] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 441.460863][ T5606] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 441.468822][ T5606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 441.476769][ T5606] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000008 [ 441.484871][ T5606] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 441.491913][ T5606] !!!! control_disable control_disable ss name cpu [ 441.498418][ T5606] !!!! control_disable control_disable ss name memory [ 441.505169][ T5606] !!!! control_disable control_disable ss name pids [ 441.511726][ T5606] !!!! control_disable kill_css(ffff888122359c00) [ 441.518265][ T5606] !!!! control_disable control_disable ss name cpu [ 441.524745][ T5606] !!!! control_disable control_disable ss name memory [ 441.532613][ T5606] !!!! control_disable control_disable ss name pids [ 441.539205][ T5606] !!!! control_disable kill_css(ffff888122359000) [ 441.545753][ T5606] !!!! control_disable control_disable ss name cpu [ 441.552242][ T5606] !!!! control_disable control_disable ss name memory [ 441.559021][ T5606] !!!! control_disable control_disable ss name pids [ 441.565615][ T5606] !!!! control_disable kill_css(ffff888122358000) [ 441.572098][ T5606] !!!! control_disable control_disable ss name cpu [ 441.578611][ T5606] !!!! control_disable control_disable ss name memory [ 441.585398][ T5606] !!!! control_disable control_disable ss name cpu [ 441.591885][ T5606] !!!! control_disable control_disable ss name memory [ 441.598745][ T5606] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 441.605245][ T5606] !!!! control_disable control_disable ss name memory [ 441.611978][ T5606] !!!! control_disable control_disable ss name cpu [ 441.618472][ T5606] !!!! control_disable control_disable ss name memory [ 441.625222][ T5606] !!!! control_disable control_disable ss name pids [ 441.631792][ T5606] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 441.684955][ C1] !!!! css_killed_ref_fn enqueue(ffff888122359c00) [ 441.691644][ T5529] !!!! css_killed_work_fn css_put(ffff888122359c00) [ 441.698324][ T5529] !!!! css_release enqueue(ffff888122359c00) [ 441.744959][ C1] !!!! css_killed_ref_fn enqueue(ffff888122359000) [ 441.751591][ C1] !!!! css_killed_ref_fn enqueue(ffff888122358000) [ 441.758308][ T5529] !!!! css_killed_work_fn css_put(ffff888122359000) [ 441.764995][ T5529] !!!! css_release enqueue(ffff888122359000) [ 441.771050][ T5529] !!!! css_killed_work_fn css_put(ffff888122358000) [ 441.777724][ T5529] !!!! css_release enqueue(ffff888122358000) [ 441.783825][ T5608] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 441.783853][ T5607] !!!! css_create css ffff88812235ac00 !!!! [ 441.796282][ T5607] !!!! css_create css ffff88812235b800 !!!! [ 441.802183][ T5607] !!!! css_create css ffff888122359400 !!!! [ 441.808091][ T5607] FAULT_INJECTION: forcing a failure. [ 441.808091][ T5607] name failslab, interval 1, probability 0, space 0, times 0 [ 441.820672][ T5607] CPU: 1 PID: 5607 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 441.832351][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 441.842376][ T5607] Call Trace: [ 441.845643][ T5607] dump_stack_lvl+0x1e2/0x24b [ 441.850296][ T5607] ? bfq_pos_tree_add_move+0x43e/0x43e [ 441.855728][ T5607] ? find_next_bit+0xd6/0x120 [ 441.860376][ T5607] ? cpumask_next+0x11/0x30 [ 441.864867][ T5607] dump_stack+0x15/0x17 [ 441.869017][ T5607] should_fail+0x3c0/0x510 [ 441.873417][ T5607] ? percpu_ref_init+0xd0/0x330 [ 441.878244][ T5607] __should_failslab+0x9f/0xe0 [ 441.882981][ T5607] should_failslab+0x9/0x20 [ 441.887458][ T5607] kmem_cache_alloc_trace+0x3a/0x330 [ 441.892813][ T5607] percpu_ref_init+0xd0/0x330 [ 441.897471][ T5607] ? cgroup_setup_root+0xea0/0xea0 [ 441.902561][ T5607] cgroup_apply_control_enable+0x734/0x12e0 [ 441.908439][ T5607] cgroup_apply_control+0x93/0x710 [ 441.913527][ T5607] ? css_next_child+0x160/0x160 [ 441.918349][ T5607] ? stack_trace_save+0x12d/0x1f0 [ 441.923347][ T5607] ? io_schedule+0x120/0x120 [ 441.927911][ T5607] ? kernfs_fop_write_iter+0x15e/0x410 [ 441.933339][ T5607] ? __kasan_check_write+0x14/0x20 [ 441.938419][ T5607] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 441.943673][ T5607] cgroup_subtree_control_write+0xd19/0x1310 [ 441.949623][ T5607] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 441.955574][ T5607] ? __kasan_check_write+0x14/0x20 [ 441.960659][ T5607] ? _copy_from_iter+0x3fb/0xd60 [ 441.965587][ T5607] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 441.971537][ T5607] cgroup_file_write+0x28e/0x590 [ 441.976446][ T5607] ? cgroup_seqfile_stop+0xc0/0xc0 [ 441.981524][ T5607] ? mutex_lock+0xa6/0x110 [ 441.985925][ T5607] ? mutex_trylock+0xb0/0xb0 [ 441.990488][ T5607] ? __kasan_check_write+0x14/0x20 [ 441.995576][ T5607] kernfs_fop_write_iter+0x2d0/0x410 [ 442.000835][ T5607] ? cgroup_seqfile_stop+0xc0/0xc0 [ 442.005922][ T5607] vfs_write+0xc1c/0xf40 [ 442.010140][ T5607] ? slab_free_freelist_hook+0xcc/0x1a0 [ 442.015666][ T5607] ? kernel_write+0x3c0/0x3c0 [ 442.020317][ T5607] ? do_sys_openat2+0x397/0x470 [ 442.025156][ T5607] ? __kasan_check_read+0x11/0x20 [ 442.030154][ T5607] ? __fdget_pos+0x27e/0x310 [ 442.034744][ T5607] ksys_write+0x198/0x2c0 [ 442.039051][ T5607] ? __ia32_sys_read+0x90/0x90 [ 442.043789][ T5607] ? debug_smp_processor_id+0x17/0x20 [ 442.049137][ T5607] __x64_sys_write+0x7b/0x90 [ 442.053708][ T5607] do_syscall_64+0x34/0x70 [ 442.058099][ T5607] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 442.063977][ T5607] RIP: 0033:0x7f20e245dc09 [ 442.068371][ T5607] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 442.087948][ T5607] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 442.096336][ T5607] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 442.104284][ T5607] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 442.112234][ T5607] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 442.120183][ T5607] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 442.128131][ T5607] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000008 [ 442.136299][ T5607] !!!! css_create rcu_enqueue(ffff888122359400) !!!! [ 442.143062][ T5607] !!!! control_disable control_disable ss name cpu [ 442.149625][ T5607] !!!! control_disable control_disable ss name memory [ 442.156424][ T5607] !!!! control_disable control_disable ss name pids [ 442.163012][ T5607] !!!! control_disable kill_css(ffff88812235ac00) [ 442.169660][ T5607] !!!! control_disable control_disable ss name cpu [ 442.176221][ T5607] !!!! control_disable control_disable ss name memory [ 442.183031][ T5607] !!!! control_disable control_disable ss name pids [ 442.189668][ T5607] !!!! control_disable kill_css(ffff88812235b800) [ 442.196243][ T5607] !!!! control_disable control_disable ss name cpu [ 442.202754][ T5607] !!!! control_disable control_disable ss name memory [ 442.204901][ C0] !!!! css_killed_ref_fn enqueue(ffff88812235ac00) [ 442.209551][ T5607] !!!! control_disable control_disable ss name cpu [ 442.222558][ T5607] !!!! control_disable control_disable ss name memory [ 442.229426][ T5607] !!!! control_disable control_disable ss name cpu [ 442.236020][ T5607] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 442.242754][ T5607] !!!! control_disable control_disable ss name cpu [ 442.249248][ C1] !!!! css_killed_ref_fn enqueue(ffff88812235b800) [ 442.255844][ T5607] !!!! control_disable control_disable ss name memory [ 442.262579][ T5607] !!!! control_disable control_disable ss name cpu [ 442.269068][ T5607] !!!! control_disable control_disable ss name memory [ 442.275817][ T5607] !!!! control_disable control_disable ss name pids [ 442.282413][ T5607] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 442.288947][ T5529] !!!! css_killed_work_fn css_put(ffff88812235b800) [ 442.295862][ T5529] !!!! css_release enqueue(ffff88812235b800) [ 442.301984][ T5533] !!!! css_killed_work_fn css_put(ffff88812235ac00) [ 442.309737][ T5533] !!!! css_release enqueue(ffff88812235ac00) [ 442.316035][ T5608] !!!! css_create css ffff88812235bc00 !!!! [ 442.322006][ T5608] !!!! css_create css ffff888116d4d400 !!!! [ 442.327977][ T5608] FAULT_INJECTION: forcing a failure. [ 442.327977][ T5608] name failslab, interval 1, probability 0, space 0, times 0 [ 442.340600][ T5608] CPU: 1 PID: 5608 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 442.352287][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 442.362315][ T5608] Call Trace: [ 442.365583][ T5608] dump_stack_lvl+0x1e2/0x24b [ 442.370235][ T5608] ? panic+0x7d7/0x7d7 [ 442.374273][ T5608] ? bfq_pos_tree_add_move+0x43e/0x43e [ 442.379706][ T5608] dump_stack+0x15/0x17 [ 442.383840][ T5608] should_fail+0x3c0/0x510 [ 442.388251][ T5608] ? pids_css_alloc+0x4e/0x120 [ 442.393013][ T5608] __should_failslab+0x9f/0xe0 [ 442.397766][ T5608] should_failslab+0x9/0x20 [ 442.402250][ T5608] kmem_cache_alloc_trace+0x3a/0x330 [ 442.407506][ T5608] pids_css_alloc+0x4e/0x120 [ 442.412068][ T5608] cgroup_apply_control_enable+0x6d9/0x12e0 [ 442.417937][ T5608] cgroup_apply_control+0x93/0x710 [ 442.423021][ T5608] ? css_next_child+0x160/0x160 [ 442.427856][ T5608] ? stack_trace_save+0x12d/0x1f0 [ 442.432866][ T5608] ? io_schedule+0x120/0x120 [ 442.437442][ T5608] ? kernfs_fop_write_iter+0x15e/0x410 [ 442.442872][ T5608] ? __kasan_check_write+0x14/0x20 [ 442.447955][ T5608] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 442.453212][ T5608] cgroup_subtree_control_write+0xd19/0x1310 [ 442.459164][ T5608] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 442.465115][ T5608] ? __kasan_check_write+0x14/0x20 [ 442.470201][ T5608] ? _copy_from_iter+0x3fb/0xd60 [ 442.475114][ T5608] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 442.481068][ T5608] cgroup_file_write+0x28e/0x590 [ 442.486120][ T5608] ? cgroup_seqfile_stop+0xc0/0xc0 [ 442.491213][ T5608] ? mutex_lock+0xa6/0x110 [ 442.495648][ T5608] ? mutex_trylock+0xb0/0xb0 [ 442.500214][ T5608] ? __kasan_check_write+0x14/0x20 [ 442.505299][ T5608] kernfs_fop_write_iter+0x2d0/0x410 [ 442.510557][ T5608] ? cgroup_seqfile_stop+0xc0/0xc0 [ 442.515640][ T5608] vfs_write+0xc1c/0xf40 [ 442.519872][ T5608] ? slab_free_freelist_hook+0xcc/0x1a0 [ 442.525385][ T5608] ? kernel_write+0x3c0/0x3c0 [ 442.530033][ T5608] ? do_sys_openat2+0x397/0x470 [ 442.534855][ T5608] ? __kasan_check_read+0x11/0x20 [ 442.539853][ T5608] ? __fdget_pos+0x27e/0x310 [ 442.544412][ T5608] ksys_write+0x198/0x2c0 [ 442.548718][ T5608] ? __ia32_sys_read+0x90/0x90 [ 442.553454][ T5608] ? debug_smp_processor_id+0x17/0x20 [ 442.558802][ T5608] __x64_sys_write+0x7b/0x90 [ 442.563370][ T5608] do_syscall_64+0x34/0x70 [ 442.567773][ T5608] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 442.573643][ T5608] RIP: 0033:0x7f20e245dc09 [ 442.578030][ T5608] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 442.597604][ T5608] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 442.605991][ T5608] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 442.613945][ T5608] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 442.621892][ T5608] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 442.629837][ T5608] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 442.637783][ T5608] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000009 [ 442.645826][ T5608] !!!! css_create css fffffffffffffff4 !!!! [ 442.651711][ T5608] !!!! control_disable control_disable ss name cpu [ 442.658212][ T5608] !!!! control_disable control_disable ss name memory [ 442.665015][ T5608] !!!! control_disable control_disable ss name pids [ 442.671638][ T5608] !!!! control_disable kill_css(ffff88812235bc00) [ 442.678329][ T5608] !!!! control_disable control_disable ss name cpu [ 442.684996][ T5608] !!!! control_disable control_disable ss name memory [ 442.691766][ T5608] !!!! control_disable control_disable ss name pids [ 442.698385][ T5608] !!!! control_disable kill_css(ffff888116d4d400) [ 442.704966][ T5608] !!!! control_disable control_disable ss name cpu [ 442.711468][ T5608] !!!! control_disable control_disable ss name memory [ 442.718245][ C1] !!!! css_killed_ref_fn enqueue(ffff88812235bc00) [ 442.724848][ T5608] !!!! control_disable control_disable ss name cpu [ 442.731365][ T5608] !!!! control_disable control_disable ss name memory [ 442.738115][ T5608] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 442.744598][ T5608] !!!! control_disable control_disable ss name memory [ 442.751362][ T5608] !!!! control_disable control_disable ss name cpu [ 442.757982][ T5608] !!!! control_disable control_disable ss name memory [ 442.764715][ T5608] !!!! control_disable control_disable ss name cpu [ 442.771225][ T5608] !!!! control_disable control_disable ss name memory [ 442.778015][ T5608] !!!! control_disable control_disable ss name pids [ 442.784790][ T5529] !!!! css_killed_work_fn css_put(ffff88812235bc00) [ 442.784950][ T5608] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 442.791698][ T5529] !!!! css_release enqueue(ffff88812235bc00) [ 442.804265][ C1] !!!! css_killed_ref_fn enqueue(ffff888116d4d400) [ 442.810995][ T5529] !!!! css_killed_work_fn css_put(ffff888116d4d400) [ 442.817727][ T5529] !!!! css_release enqueue(ffff888116d4d400) [ 442.823827][ T5601] !!!! css_create css ffff888116d4c800 !!!! [ 442.829790][ T5601] !!!! css_create css ffff888116d4e400 !!!! [ 442.835714][ T5601] !!!! css_create css ffff888116d4d800 !!!! [ 442.841593][ T5601] FAULT_INJECTION: forcing a failure. [ 442.841593][ T5601] name failslab, interval 1, probability 0, space 0, times 0 [ 442.854189][ T5601] CPU: 1 PID: 5601 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 442.865882][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 442.875908][ T5601] Call Trace: [ 442.879177][ T5601] dump_stack_lvl+0x1e2/0x24b [ 442.883830][ T5601] ? bfq_pos_tree_add_move+0x43e/0x43e [ 442.889260][ T5601] ? serial8250_console_write+0xae0/0xe60 [ 442.894958][ T5601] ? record_print_text+0x266/0x420 [ 442.900043][ T5601] dump_stack+0x15/0x17 [ 442.904184][ T5601] should_fail+0x3c0/0x510 [ 442.908574][ T5601] ? __kernfs_new_node+0x99/0x6e0 [ 442.913583][ T5601] __should_failslab+0x9f/0xe0 [ 442.918326][ T5601] should_failslab+0x9/0x20 [ 442.922816][ T5601] __kmalloc_track_caller+0x5f/0x350 [ 442.928078][ T5601] kstrdup_const+0x55/0x90 [ 442.932473][ T5601] __kernfs_new_node+0x99/0x6e0 [ 442.937300][ T5601] ? stack_trace_save+0x1f0/0x1f0 [ 442.942300][ T5601] ? kernfs_new_node+0x170/0x170 [ 442.947210][ T5601] ? ptr_to_hashval+0x60/0x60 [ 442.951861][ T5601] ? snprintf+0xd6/0x120 [ 442.956078][ T5601] kernfs_new_node+0x97/0x170 [ 442.960816][ T5601] __kernfs_create_file+0x4a/0x270 [ 442.965907][ T5601] cgroup_addrm_files+0xab8/0xfe0 [ 442.970922][ T5601] ? cgroup_apply_control_enable+0x734/0x12e0 [ 442.976957][ T5601] ? cgroup_apply_control+0x93/0x710 [ 442.982218][ T5601] ? cgroup_subtree_control_write+0xd19/0x1310 [ 442.988348][ T5601] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 442.994475][ T5601] ? delete_node+0x759/0x7b0 [ 442.999049][ T5601] ? __kasan_check_read+0x11/0x20 [ 443.004059][ T5601] ? delete_node+0x759/0x7b0 [ 443.008688][ T5601] ? __kasan_check_write+0x14/0x20 [ 443.013778][ T5601] ? __radix_tree_replace+0x246/0x2e0 [ 443.019126][ T5601] ? idr_get_next+0x4b0/0x4b0 [ 443.023802][ T5601] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 443.028801][ T5601] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 443.033972][ T5601] css_populate_dir+0x137/0x370 [ 443.038796][ T5601] cgroup_apply_control_enable+0x629/0x12e0 [ 443.044664][ T5601] cgroup_apply_control+0x93/0x710 [ 443.049767][ T5601] ? css_next_child+0x160/0x160 [ 443.054596][ T5601] ? stack_trace_save+0x12d/0x1f0 [ 443.059619][ T5601] ? io_schedule+0x120/0x120 [ 443.064184][ T5601] ? kernfs_fop_write_iter+0x15e/0x410 [ 443.069896][ T5601] ? __kasan_check_write+0x14/0x20 [ 443.074983][ T5601] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 443.080260][ T5601] cgroup_subtree_control_write+0xd19/0x1310 [ 443.086226][ T5601] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 443.092181][ T5601] ? __kasan_check_write+0x14/0x20 [ 443.097267][ T5601] ? _copy_from_iter+0x3fb/0xd60 [ 443.102176][ T5601] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 443.108126][ T5601] cgroup_file_write+0x28e/0x590 [ 443.113036][ T5601] ? cgroup_seqfile_stop+0xc0/0xc0 [ 443.118139][ T5601] ? mutex_lock+0xa6/0x110 [ 443.122529][ T5601] ? mutex_trylock+0xb0/0xb0 [ 443.127093][ T5601] ? __kasan_check_write+0x14/0x20 [ 443.132192][ T5601] kernfs_fop_write_iter+0x2d0/0x410 [ 443.137548][ T5601] ? cgroup_seqfile_stop+0xc0/0xc0 [ 443.142630][ T5601] vfs_write+0xc1c/0xf40 [ 443.146852][ T5601] ? slab_free_freelist_hook+0xcc/0x1a0 [ 443.152387][ T5601] ? kernel_write+0x3c0/0x3c0 [ 443.157049][ T5601] ? do_sys_openat2+0x397/0x470 [ 443.161886][ T5601] ? __kasan_check_read+0x11/0x20 [ 443.166897][ T5601] ? __fdget_pos+0x27e/0x310 [ 443.171469][ T5601] ksys_write+0x198/0x2c0 [ 443.175777][ T5601] ? __ia32_sys_read+0x90/0x90 [ 443.180522][ T5601] ? debug_smp_processor_id+0x17/0x20 [ 443.185875][ T5601] __x64_sys_write+0x7b/0x90 [ 443.190443][ T5601] do_syscall_64+0x34/0x70 [ 443.194838][ T5601] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 443.200711][ T5601] RIP: 0033:0x7f20e245dc09 [ 443.205103][ T5601] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 443.224686][ T5601] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 443.233074][ T5601] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 443.241107][ T5601] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 443.249053][ T5601] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 443.257001][ T5601] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 443.264948][ T5601] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000008 [ 443.273097][ T5601] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 443.280210][ T5601] !!!! control_disable control_disable ss name cpu [ 443.286768][ T5601] !!!! control_disable control_disable ss name memory [ 443.293586][ T5601] !!!! control_disable control_disable ss name pids [ 443.300231][ T5601] !!!! control_disable kill_css(ffff888116d4c800) [ 443.306826][ T5601] !!!! control_disable control_disable ss name cpu [ 443.313434][ T5601] !!!! control_disable control_disable ss name memory [ 443.320255][ T5601] !!!! control_disable control_disable ss name pids [ 443.326956][ T5601] !!!! control_disable kill_css(ffff888116d4e400) [ 443.333720][ T5601] !!!! control_disable control_disable ss name cpu [ 443.340295][ T5601] !!!! control_disable control_disable ss name memory [ 443.347081][ C1] !!!! css_killed_ref_fn enqueue(ffff888116d4c800) [ 443.353684][ T5601] !!!! control_disable control_disable ss name pids [ 443.360275][ T5601] !!!! control_disable kill_css(ffff888116d4d800) [ 443.366788][ T5601] !!!! control_disable control_disable ss name cpu [ 443.373263][ T5601] !!!! control_disable control_disable ss name memory [ 443.380037][ T5601] !!!! control_disable control_disable ss name cpu [ 443.386531][ T5601] !!!! control_disable control_disable ss name memory [ 443.393257][ T5601] !!!! control_disable control_disable ss name cpu [ 443.399770][ T5601] !!!! control_disable control_disable ss name memory [ 443.406529][ T5601] !!!! control_disable control_disable ss name cpu [ 443.412998][ T5601] !!!! control_disable control_disable ss name memory [ 443.419750][ T5601] !!!! control_disable control_disable ss name pids [ 443.426349][ T5601] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 443.432868][ T5529] !!!! css_killed_work_fn css_put(ffff888116d4c800) [ 443.439570][ T5529] !!!! css_release enqueue(ffff888116d4c800) [ 443.445652][ C1] !!!! css_killed_ref_fn enqueue(ffff888116d4e400) [ 443.452247][ T5529] !!!! css_killed_work_fn css_put(ffff888116d4e400) [ 443.459065][ T5529] !!!! css_release enqueue(ffff888116d4e400) [ 443.465275][ C1] !!!! css_killed_ref_fn enqueue(ffff888116d4d800) [ 443.471913][ T5529] !!!! css_killed_work_fn css_put(ffff888116d4d800) [ 443.478824][ T5529] !!!! css_release enqueue(ffff888116d4d800) [ 443.484977][ T5604] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 443.485034][ T5609] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 443.491625][ T5604] !!!! css_create css ffff888116d4c000 !!!! [ 443.503943][ T5604] !!!! css_create css ffff888116d4e000 !!!! [ 443.509908][ T5604] !!!! css_create css ffff888116d4ec00 !!!! [ 443.515831][ T5604] FAULT_INJECTION: forcing a failure. [ 443.515831][ T5604] name failslab, interval 1, probability 0, space 0, times 0 [ 443.528466][ T5604] CPU: 1 PID: 5604 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 443.540164][ T5604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 443.550200][ T5604] Call Trace: [ 443.553481][ T5604] dump_stack_lvl+0x1e2/0x24b [ 443.558132][ T5604] ? bfq_pos_tree_add_move+0x43e/0x43e [ 443.563584][ T5604] dump_stack+0x15/0x17 [ 443.567722][ T5604] should_fail+0x3c0/0x510 [ 443.572124][ T5604] ? __kernfs_new_node+0x99/0x6e0 [ 443.577131][ T5604] __should_failslab+0x9f/0xe0 [ 443.581871][ T5604] should_failslab+0x9/0x20 [ 443.586358][ T5604] __kmalloc_track_caller+0x5f/0x350 [ 443.591620][ T5604] kstrdup_const+0x55/0x90 [ 443.596011][ T5604] __kernfs_new_node+0x99/0x6e0 [ 443.600835][ T5604] ? stack_trace_save+0x1f0/0x1f0 [ 443.605832][ T5604] ? kernfs_new_node+0x170/0x170 [ 443.610745][ T5604] ? ptr_to_hashval+0x60/0x60 [ 443.615392][ T5604] ? snprintf+0xd6/0x120 [ 443.619609][ T5604] kernfs_new_node+0x97/0x170 [ 443.624260][ T5604] __kernfs_create_file+0x4a/0x270 [ 443.629355][ T5604] cgroup_addrm_files+0xab8/0xfe0 [ 443.634351][ T5604] ? cgroup_apply_control_enable+0x734/0x12e0 [ 443.640394][ T5604] ? cgroup_apply_control+0x93/0x710 [ 443.645674][ T5604] ? cgroup_subtree_control_write+0xd19/0x1310 [ 443.651805][ T5604] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 443.657930][ T5604] ? delete_node+0x759/0x7b0 [ 443.662506][ T5604] ? __kasan_check_read+0x11/0x20 [ 443.667502][ T5604] ? delete_node+0x759/0x7b0 [ 443.672088][ T5604] ? __kasan_check_write+0x14/0x20 [ 443.677174][ T5604] ? __radix_tree_replace+0x246/0x2e0 [ 443.682515][ T5604] ? idr_get_next+0x4b0/0x4b0 [ 443.687163][ T5604] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 443.692165][ T5604] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 443.697333][ T5604] css_populate_dir+0x137/0x370 [ 443.702154][ T5604] cgroup_apply_control_enable+0x629/0x12e0 [ 443.708038][ T5604] cgroup_apply_control+0x93/0x710 [ 443.713130][ T5604] ? css_next_child+0x160/0x160 [ 443.717952][ T5604] ? stack_trace_save+0x12d/0x1f0 [ 443.722954][ T5604] ? io_schedule+0x120/0x120 [ 443.727519][ T5604] ? kernfs_fop_write_iter+0x15e/0x410 [ 443.732948][ T5604] ? __kasan_check_write+0x14/0x20 [ 443.738040][ T5604] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 443.743314][ T5604] cgroup_subtree_control_write+0xd19/0x1310 [ 443.749271][ T5604] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 443.755245][ T5604] ? __kasan_check_write+0x14/0x20 [ 443.760333][ T5604] ? _copy_from_iter+0x3fb/0xd60 [ 443.765246][ T5604] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 443.771199][ T5604] cgroup_file_write+0x28e/0x590 [ 443.776113][ T5604] ? cgroup_seqfile_stop+0xc0/0xc0 [ 443.781197][ T5604] ? mutex_lock+0xa6/0x110 [ 443.785586][ T5604] ? mutex_trylock+0xb0/0xb0 [ 443.790146][ T5604] ? __kasan_check_write+0x14/0x20 [ 443.795227][ T5604] kernfs_fop_write_iter+0x2d0/0x410 [ 443.800503][ T5604] ? cgroup_seqfile_stop+0xc0/0xc0 [ 443.805585][ T5604] vfs_write+0xc1c/0xf40 [ 443.809808][ T5604] ? slab_free_freelist_hook+0xcc/0x1a0 [ 443.815324][ T5604] ? kernel_write+0x3c0/0x3c0 [ 443.819978][ T5604] ? do_sys_openat2+0x397/0x470 [ 443.824800][ T5604] ? __kasan_check_read+0x11/0x20 [ 443.829795][ T5604] ? __fdget_pos+0x27e/0x310 [ 443.834361][ T5604] ksys_write+0x198/0x2c0 [ 443.838682][ T5604] ? __ia32_sys_read+0x90/0x90 [ 443.843430][ T5604] ? debug_smp_processor_id+0x17/0x20 [ 443.848776][ T5604] __x64_sys_write+0x7b/0x90 [ 443.853339][ T5604] do_syscall_64+0x34/0x70 [ 443.857736][ T5604] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 443.863608][ T5604] RIP: 0033:0x7f20e245dc09 [ 443.868007][ T5604] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 443.887674][ T5604] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 443.896059][ T5604] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 443.904002][ T5604] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 443.911944][ T5604] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 443.919893][ T5604] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 443.927841][ T5604] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000008 [ 443.935902][ T5604] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 443.942913][ T5604] !!!! control_disable control_disable ss name cpu [ 443.949433][ T5604] !!!! control_disable control_disable ss name memory [ 443.956195][ T5604] !!!! control_disable control_disable ss name pids [ 443.962762][ T5604] !!!! control_disable kill_css(ffff888116d4c000) [ 443.969389][ T5604] !!!! control_disable control_disable ss name cpu [ 443.975988][ T5604] !!!! control_disable control_disable ss name memory [ 443.982778][ T5604] !!!! control_disable control_disable ss name pids [ 443.989422][ T5604] !!!! control_disable kill_css(ffff888116d4e000) [ 443.996007][ T5604] !!!! control_disable control_disable ss name cpu [ 444.002524][ T5604] !!!! control_disable control_disable ss name memory [ 444.009318][ T5604] !!!! control_disable control_disable ss name pids [ 444.015918][ C0] !!!! css_killed_ref_fn enqueue(ffff888116d4c000) [ 444.022515][ T5604] !!!! control_disable kill_css(ffff888116d4ec00) [ 444.029072][ T5604] !!!! control_disable control_disable ss name cpu [ 444.029106][ C1] !!!! css_killed_ref_fn enqueue(ffff888116d4e000) [ 444.035732][ T5604] !!!! control_disable control_disable ss name memory [ 444.048907][ T5604] !!!! control_disable control_disable ss name cpu [ 444.055410][ C0] !!!! css_killed_ref_fn enqueue(ffff888116d4ec00) [ 444.062003][ T5604] !!!! control_disable control_disable ss name memory [ 444.068756][ T5604] !!!! control_disable control_disable ss name cpu [ 444.075244][ T5604] !!!! control_disable control_disable ss name memory [ 444.081979][ T5604] !!!! control_disable control_disable ss name cpu [ 444.088494][ T5604] !!!! control_disable control_disable ss name memory [ 444.095349][ T5604] !!!! control_disable control_disable ss name pids [ 444.101979][ T5533] !!!! css_killed_work_fn css_put(ffff888116d4c000) [ 444.102421][ T5604] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 444.108692][ T5533] !!!! css_release enqueue(ffff888116d4c000) [ 444.121225][ T5533] !!!! css_killed_work_fn css_put(ffff888116d4ec00) [ 444.127915][ T5533] !!!! css_release enqueue(ffff888116d4ec00) [ 444.134067][ T5529] !!!! css_killed_work_fn css_put(ffff888116d4e000) [ 444.140898][ T5529] !!!! css_release enqueue(ffff888116d4e000) [ 444.147297][ T5609] !!!! css_create css ffff88811bd79400 !!!! [ 444.153220][ T5609] !!!! css_create css ffff88811bd7a800 !!!! [ 444.159162][ T5609] !!!! css_create css ffff88811bd78c00 !!!! [ 444.165135][ T5609] FAULT_INJECTION: forcing a failure. [ 444.165135][ T5609] name failslab, interval 1, probability 0, space 0, times 0 [ 444.177819][ T5609] CPU: 1 PID: 5609 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 444.189498][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 444.199527][ T5609] Call Trace: [ 444.202800][ T5609] dump_stack_lvl+0x1e2/0x24b [ 444.207471][ T5609] ? bfq_pos_tree_add_move+0x43e/0x43e [ 444.212924][ T5609] dump_stack+0x15/0x17 [ 444.217074][ T5609] should_fail+0x3c0/0x510 [ 444.221498][ T5609] ? __kernfs_new_node+0x99/0x6e0 [ 444.226524][ T5609] __should_failslab+0x9f/0xe0 [ 444.231262][ T5609] should_failslab+0x9/0x20 [ 444.235748][ T5609] __kmalloc_track_caller+0x5f/0x350 [ 444.241017][ T5609] kstrdup_const+0x55/0x90 [ 444.245418][ T5609] __kernfs_new_node+0x99/0x6e0 [ 444.250240][ T5609] ? stack_trace_save+0x1f0/0x1f0 [ 444.255235][ T5609] ? kernfs_new_node+0x170/0x170 [ 444.260148][ T5609] ? ptr_to_hashval+0x60/0x60 [ 444.264806][ T5609] ? snprintf+0xd6/0x120 [ 444.269019][ T5609] kernfs_new_node+0x97/0x170 [ 444.273679][ T5609] __kernfs_create_file+0x4a/0x270 [ 444.278777][ T5609] cgroup_addrm_files+0xab8/0xfe0 [ 444.283771][ T5609] ? cgroup_apply_control_enable+0x734/0x12e0 [ 444.289804][ T5609] ? cgroup_apply_control+0x93/0x710 [ 444.295056][ T5609] ? cgroup_subtree_control_write+0xd19/0x1310 [ 444.301180][ T5609] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 444.307307][ T5609] ? delete_node+0x759/0x7b0 [ 444.311866][ T5609] ? __kasan_check_read+0x11/0x20 [ 444.316867][ T5609] ? delete_node+0x759/0x7b0 [ 444.321426][ T5609] ? __kasan_check_write+0x14/0x20 [ 444.326506][ T5609] ? __radix_tree_replace+0x246/0x2e0 [ 444.331845][ T5609] ? idr_get_next+0x4b0/0x4b0 [ 444.336489][ T5609] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 444.341479][ T5609] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 444.346646][ T5609] css_populate_dir+0x137/0x370 [ 444.351467][ T5609] cgroup_apply_control_enable+0x629/0x12e0 [ 444.357331][ T5609] cgroup_apply_control+0x93/0x710 [ 444.362413][ T5609] ? css_next_child+0x160/0x160 [ 444.367232][ T5609] ? stack_trace_save+0x12d/0x1f0 [ 444.372224][ T5609] ? io_schedule+0x120/0x120 [ 444.376782][ T5609] ? kernfs_fop_write_iter+0x15e/0x410 [ 444.382210][ T5609] ? __kasan_check_write+0x14/0x20 [ 444.387294][ T5609] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 444.392558][ T5609] cgroup_subtree_control_write+0xd19/0x1310 [ 444.398516][ T5609] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 444.404534][ T5609] ? __kasan_check_write+0x14/0x20 [ 444.409635][ T5609] ? _copy_from_iter+0x3fb/0xd60 [ 444.414561][ T5609] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 444.420560][ T5609] cgroup_file_write+0x28e/0x590 [ 444.425490][ T5609] ? cgroup_seqfile_stop+0xc0/0xc0 [ 444.430575][ T5609] ? mutex_lock+0xa6/0x110 [ 444.434967][ T5609] ? mutex_trylock+0xb0/0xb0 [ 444.439547][ T5609] ? __kasan_check_write+0x14/0x20 [ 444.444643][ T5609] kernfs_fop_write_iter+0x2d0/0x410 [ 444.449922][ T5609] ? cgroup_seqfile_stop+0xc0/0xc0 [ 444.455011][ T5609] vfs_write+0xc1c/0xf40 [ 444.459231][ T5609] ? slab_free_freelist_hook+0xcc/0x1a0 [ 444.464753][ T5609] ? kernel_write+0x3c0/0x3c0 [ 444.469416][ T5609] ? do_sys_openat2+0x397/0x470 [ 444.474248][ T5609] ? __kasan_check_read+0x11/0x20 [ 444.479256][ T5609] ? __fdget_pos+0x27e/0x310 [ 444.483831][ T5609] ksys_write+0x198/0x2c0 [ 444.488140][ T5609] ? __ia32_sys_read+0x90/0x90 [ 444.492883][ T5609] ? debug_smp_processor_id+0x17/0x20 [ 444.498233][ T5609] __x64_sys_write+0x7b/0x90 [ 444.502801][ T5609] do_syscall_64+0x34/0x70 [ 444.507196][ T5609] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 444.513061][ T5609] RIP: 0033:0x7f20e245dc09 [ 444.517456][ T5609] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 444.537036][ T5609] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 444.545428][ T5609] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 444.553379][ T5609] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 444.561330][ T5609] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 444.569275][ T5609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 444.577221][ T5609] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000009 [ 444.585360][ T5609] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 444.592466][ T5609] !!!! control_disable control_disable ss name cpu [ 444.599070][ T5609] !!!! control_disable control_disable ss name memory [ 444.605924][ T5609] !!!! control_disable control_disable ss name pids [ 444.612529][ T5609] !!!! control_disable kill_css(ffff88811bd79400) [ 444.619120][ T5609] !!!! control_disable control_disable ss name cpu [ 444.625721][ T5609] !!!! control_disable control_disable ss name memory [ 444.632495][ T5609] !!!! control_disable control_disable ss name pids [ 444.639253][ T5609] !!!! control_disable kill_css(ffff88811bd7a800) [ 444.645890][ T5609] !!!! control_disable control_disable ss name cpu [ 444.652402][ T5609] !!!! control_disable control_disable ss name memory [ 444.654903][ C1] !!!! css_killed_ref_fn enqueue(ffff88811bd79400) [ 444.659378][ T5609] !!!! control_disable control_disable ss name pids [ 444.672328][ T5609] !!!! control_disable kill_css(ffff88811bd78c00) [ 444.678841][ T5609] !!!! control_disable control_disable ss name cpu [ 444.685333][ T5609] !!!! control_disable control_disable ss name memory [ 444.692081][ T5609] !!!! control_disable control_disable ss name cpu [ 444.698577][ T5609] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 444.705335][ T5609] !!!! control_disable control_disable ss name cpu [ 444.711813][ T5609] !!!! control_disable control_disable ss name memory [ 444.718571][ T5609] !!!! control_disable control_disable ss name cpu [ 444.725060][ T5609] !!!! control_disable control_disable ss name memory [ 444.731803][ T5609] !!!! control_disable control_disable ss name pids [ 444.738443][ T5609] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 444.744992][ T5529] !!!! css_killed_work_fn css_put(ffff88811bd79400) [ 444.745995][ C0] !!!! css_killed_ref_fn enqueue(ffff88811bd7a800) [ 444.752411][ T5529] !!!! css_release enqueue(ffff88811bd79400) [ 444.758589][ C0] !!!! css_killed_ref_fn enqueue(ffff88811bd78c00) [ 444.770975][ T5533] !!!! css_killed_work_fn css_put(ffff88811bd7a800) [ 444.777738][ T5533] !!!! css_release enqueue(ffff88811bd7a800) [ 444.783882][ T5533] !!!! css_killed_work_fn css_put(ffff88811bd78c00) [ 444.790662][ T5533] !!!! css_release enqueue(ffff88811bd78c00) [ 444.796983][ T5612] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 444.797138][ T5613] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 444.803706][ T5612] !!!! css_create css ffff888110c6b400 !!!! [ 444.815964][ T5612] !!!! css_create css ffff888110c68c00 !!!! [ 444.821855][ T5612] !!!! css_create css ffff888110c69000 !!!! [ 444.827831][ T5612] FAULT_INJECTION: forcing a failure. [ 444.827831][ T5612] name failslab, interval 1, probability 0, space 0, times 0 [ 444.840481][ T5612] CPU: 0 PID: 5612 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 444.852163][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 444.862207][ T5612] Call Trace: [ 444.865478][ T5612] dump_stack_lvl+0x1e2/0x24b [ 444.870142][ T5612] ? bfq_pos_tree_add_move+0x43e/0x43e [ 444.875573][ T5612] dump_stack+0x15/0x17 [ 444.879698][ T5612] should_fail+0x3c0/0x510 [ 444.884108][ T5612] ? __kernfs_new_node+0x99/0x6e0 [ 444.889104][ T5612] __should_failslab+0x9f/0xe0 [ 444.893839][ T5612] should_failslab+0x9/0x20 [ 444.898330][ T5612] __kmalloc_track_caller+0x5f/0x350 [ 444.903609][ T5612] kstrdup_const+0x55/0x90 [ 444.908001][ T5612] __kernfs_new_node+0x99/0x6e0 [ 444.912829][ T5612] ? stack_trace_save+0x1f0/0x1f0 [ 444.917831][ T5612] ? kernfs_new_node+0x170/0x170 [ 444.922748][ T5612] ? ptr_to_hashval+0x60/0x60 [ 444.927398][ T5612] ? snprintf+0xd6/0x120 [ 444.931612][ T5612] kernfs_new_node+0x97/0x170 [ 444.936259][ T5612] __kernfs_create_file+0x4a/0x270 [ 444.941344][ T5612] cgroup_addrm_files+0xab8/0xfe0 [ 444.946348][ T5612] ? cgroup_apply_control_enable+0x734/0x12e0 [ 444.952732][ T5612] ? cgroup_apply_control+0x93/0x710 [ 444.957992][ T5612] ? cgroup_subtree_control_write+0xd19/0x1310 [ 444.964114][ T5612] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 444.970323][ T5612] ? delete_node+0x759/0x7b0 [ 444.974902][ T5612] ? __kasan_check_read+0x11/0x20 [ 444.979937][ T5612] ? delete_node+0x759/0x7b0 [ 444.984502][ T5612] ? __kasan_check_write+0x14/0x20 [ 444.989587][ T5612] ? __radix_tree_replace+0x246/0x2e0 [ 444.994942][ T5612] ? idr_get_next+0x4b0/0x4b0 [ 444.999593][ T5612] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 445.004604][ T5612] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 445.009781][ T5612] css_populate_dir+0x137/0x370 [ 445.014610][ T5612] cgroup_apply_control_enable+0x629/0x12e0 [ 445.020477][ T5612] cgroup_apply_control+0x93/0x710 [ 445.025559][ T5612] ? css_next_child+0x160/0x160 [ 445.030384][ T5612] ? stack_trace_save+0x12d/0x1f0 [ 445.035378][ T5612] ? io_schedule+0x120/0x120 [ 445.039941][ T5612] ? kernfs_fop_write_iter+0x15e/0x410 [ 445.045373][ T5612] ? __kasan_check_write+0x14/0x20 [ 445.050454][ T5612] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 445.055708][ T5612] cgroup_subtree_control_write+0xd19/0x1310 [ 445.061656][ T5612] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 445.067609][ T5612] ? __kasan_check_write+0x14/0x20 [ 445.072705][ T5612] ? _copy_from_iter+0x3fb/0xd60 [ 445.077618][ T5612] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 445.083575][ T5612] cgroup_file_write+0x28e/0x590 [ 445.088488][ T5612] ? cgroup_seqfile_stop+0xc0/0xc0 [ 445.093568][ T5612] ? mutex_lock+0xa6/0x110 [ 445.097955][ T5612] ? mutex_trylock+0xb0/0xb0 [ 445.102514][ T5612] ? __kasan_check_write+0x14/0x20 [ 445.107660][ T5612] kernfs_fop_write_iter+0x2d0/0x410 [ 445.112950][ T5612] ? cgroup_seqfile_stop+0xc0/0xc0 [ 445.118050][ T5612] vfs_write+0xc1c/0xf40 [ 445.122270][ T5612] ? slab_free_freelist_hook+0xcc/0x1a0 [ 445.127791][ T5612] ? kernel_write+0x3c0/0x3c0 [ 445.132504][ T5612] ? do_sys_openat2+0x397/0x470 [ 445.137334][ T5612] ? __kasan_check_read+0x11/0x20 [ 445.142332][ T5612] ? __fdget_pos+0x27e/0x310 [ 445.146903][ T5612] ksys_write+0x198/0x2c0 [ 445.151203][ T5612] ? __ia32_sys_read+0x90/0x90 [ 445.155935][ T5612] ? debug_smp_processor_id+0x17/0x20 [ 445.161274][ T5612] __x64_sys_write+0x7b/0x90 [ 445.165835][ T5612] do_syscall_64+0x34/0x70 [ 445.170222][ T5612] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 445.176085][ T5612] RIP: 0033:0x7f20e245dc09 [ 445.180471][ T5612] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 445.200044][ T5612] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 445.208423][ T5612] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 445.216379][ T5612] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 445.224325][ T5612] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 445.232266][ T5612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 445.240207][ T5612] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000009 [ 445.248412][ T5612] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 445.255524][ T5612] !!!! control_disable control_disable ss name cpu [ 445.262124][ T5612] !!!! control_disable control_disable ss name memory [ 445.269075][ T5612] !!!! control_disable control_disable ss name pids [ 445.275779][ T5612] !!!! control_disable kill_css(ffff888110c6b400) [ 445.282371][ T5612] !!!! control_disable control_disable ss name cpu [ 445.289024][ T5612] !!!! control_disable control_disable ss name memory [ 445.295866][ T5612] !!!! control_disable control_disable ss name pids [ 445.302429][ T5612] !!!! control_disable kill_css(ffff888110c68c00) [ 445.308923][ C1] !!!! css_killed_ref_fn enqueue(ffff888110c6b400) [ 445.315561][ T5612] !!!! control_disable control_disable ss name cpu [ 445.322044][ T5612] !!!! control_disable control_disable ss name memory [ 445.328827][ T5612] !!!! control_disable control_disable ss name pids [ 445.335411][ T5612] !!!! control_disable kill_css(ffff888110c69000) [ 445.341888][ T5612] !!!! control_disable control_disable ss name cpu [ 445.348384][ T5612] !!!! control_disable control_disable ss name memory [ 445.355151][ T5612] !!!! control_disable control_disable ss name cpu [ 445.361622][ T5612] !!!! control_disable control_disable ss name memory [ 445.368393][ T5612] !!!! control_disable control_disable ss name cpu [ 445.374889][ T5612] !!!! control_disable control_disable ss name memory [ 445.381622][ T5612] !!!! control_disable control_disable ss name cpu [ 445.388118][ T5612] !!!! control_disable control_disable ss name memory [ 445.394900][ T5612] !!!! control_disable control_disable ss name pids [ 445.401481][ T5612] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 445.407998][ C1] !!!! css_killed_ref_fn enqueue(ffff888110c68c00) [ 445.414608][ T5529] !!!! css_killed_work_fn css_put(ffff888110c6b400) [ 445.421324][ T5529] !!!! css_release enqueue(ffff888110c6b400) [ 445.427405][ C1] !!!! css_killed_ref_fn enqueue(ffff888110c69000) [ 445.434024][ T5529] !!!! css_killed_work_fn css_put(ffff888110c68c00) [ 445.440724][ T5529] !!!! css_release enqueue(ffff888110c68c00) [ 445.446964][ T5529] !!!! css_killed_work_fn css_put(ffff888110c69000) [ 445.453620][ T5529] !!!! css_release enqueue(ffff888110c69000) [ 445.459744][ T5610] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 445.459909][ T5603] !!!! css_create css ffff88810eda3c00 !!!! [ 445.472245][ T5603] !!!! css_create css ffff88810eda0400 !!!! [ 445.478525][ T5603] !!!! css_create css ffff88810eda3000 !!!! [ 445.484413][ T5603] FAULT_INJECTION: forcing a failure. [ 445.484413][ T5603] name failslab, interval 1, probability 0, space 0, times 0 [ 445.497016][ T5603] CPU: 0 PID: 5603 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 445.508711][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 445.518745][ T5603] Call Trace: [ 445.522022][ T5603] dump_stack_lvl+0x1e2/0x24b [ 445.526674][ T5603] ? bfq_pos_tree_add_move+0x43e/0x43e [ 445.532105][ T5603] ? serial8250_console_write+0xae0/0xe60 [ 445.537804][ T5603] ? record_print_text+0x266/0x420 [ 445.542889][ T5603] dump_stack+0x15/0x17 [ 445.547018][ T5603] should_fail+0x3c0/0x510 [ 445.551410][ T5603] ? __kernfs_new_node+0x99/0x6e0 [ 445.556420][ T5603] __should_failslab+0x9f/0xe0 [ 445.561162][ T5603] should_failslab+0x9/0x20 [ 445.565643][ T5603] __kmalloc_track_caller+0x5f/0x350 [ 445.570903][ T5603] kstrdup_const+0x55/0x90 [ 445.575302][ T5603] __kernfs_new_node+0x99/0x6e0 [ 445.580132][ T5603] ? stack_trace_save+0x1f0/0x1f0 [ 445.585143][ T5603] ? kernfs_new_node+0x170/0x170 [ 445.590069][ T5603] ? ptr_to_hashval+0x60/0x60 [ 445.594719][ T5603] ? snprintf+0xd6/0x120 [ 445.598933][ T5603] kernfs_new_node+0x97/0x170 [ 445.603587][ T5603] __kernfs_create_file+0x4a/0x270 [ 445.608671][ T5603] cgroup_addrm_files+0xab8/0xfe0 [ 445.613674][ T5603] ? cgroup_apply_control_enable+0x734/0x12e0 [ 445.619712][ T5603] ? cgroup_apply_control+0x93/0x710 [ 445.624966][ T5603] ? cgroup_subtree_control_write+0xd19/0x1310 [ 445.631089][ T5603] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 445.637215][ T5603] ? delete_node+0x759/0x7b0 [ 445.641794][ T5603] ? __kasan_check_read+0x11/0x20 [ 445.646815][ T5603] ? delete_node+0x759/0x7b0 [ 445.651383][ T5603] ? __kasan_check_write+0x14/0x20 [ 445.656474][ T5603] ? __radix_tree_replace+0x246/0x2e0 [ 445.661829][ T5603] ? idr_get_next+0x4b0/0x4b0 [ 445.666479][ T5603] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 445.671476][ T5603] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 445.676654][ T5603] css_populate_dir+0x137/0x370 [ 445.681479][ T5603] cgroup_apply_control_enable+0x629/0x12e0 [ 445.687346][ T5603] cgroup_apply_control+0x93/0x710 [ 445.692435][ T5603] ? css_next_child+0x160/0x160 [ 445.697265][ T5603] ? stack_trace_save+0x12d/0x1f0 [ 445.702272][ T5603] ? io_schedule+0x120/0x120 [ 445.706840][ T5603] ? kernfs_fop_write_iter+0x15e/0x410 [ 445.712281][ T5603] ? __kasan_check_write+0x14/0x20 [ 445.717369][ T5603] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 445.722628][ T5603] cgroup_subtree_control_write+0xd19/0x1310 [ 445.728581][ T5603] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 445.734536][ T5603] ? __kasan_check_write+0x14/0x20 [ 445.739621][ T5603] ? _copy_from_iter+0x3fb/0xd60 [ 445.744542][ T5603] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 445.750521][ T5603] cgroup_file_write+0x28e/0x590 [ 445.755454][ T5603] ? cgroup_seqfile_stop+0xc0/0xc0 [ 445.760539][ T5603] ? mutex_lock+0xa6/0x110 [ 445.765019][ T5603] ? mutex_trylock+0xb0/0xb0 [ 445.769585][ T5603] ? __kasan_check_write+0x14/0x20 [ 445.774684][ T5603] kernfs_fop_write_iter+0x2d0/0x410 [ 445.779949][ T5603] ? cgroup_seqfile_stop+0xc0/0xc0 [ 445.785127][ T5603] vfs_write+0xc1c/0xf40 [ 445.789346][ T5603] ? slab_free_freelist_hook+0xcc/0x1a0 [ 445.794864][ T5603] ? kernel_write+0x3c0/0x3c0 [ 445.799519][ T5603] ? do_sys_openat2+0x397/0x470 [ 445.804343][ T5603] ? __kasan_check_read+0x11/0x20 [ 445.809340][ T5603] ? __fdget_pos+0x27e/0x310 [ 445.813913][ T5603] ksys_write+0x198/0x2c0 [ 445.818221][ T5603] ? __ia32_sys_read+0x90/0x90 [ 445.822956][ T5603] ? debug_smp_processor_id+0x17/0x20 [ 445.828299][ T5603] __x64_sys_write+0x7b/0x90 [ 445.832861][ T5603] do_syscall_64+0x34/0x70 [ 445.837249][ T5603] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 445.843109][ T5603] RIP: 0033:0x7f20e245dc09 [ 445.847509][ T5603] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 445.867105][ T5603] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 445.875512][ T5603] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 445.883459][ T5603] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 445.892725][ T5603] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 445.900672][ T5603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 445.908625][ T5603] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000009 [ 445.917091][ T5603] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 445.924108][ T5603] !!!! control_disable control_disable ss name cpu [ 445.930650][ T5603] !!!! control_disable control_disable ss name memory [ 445.937415][ T5603] !!!! control_disable control_disable ss name pids [ 445.943986][ T5603] !!!! control_disable kill_css(ffff88810eda3c00) [ 445.950596][ T5603] !!!! control_disable control_disable ss name cpu [ 445.957186][ T5603] !!!! control_disable control_disable ss name memory [ 445.963944][ T5603] !!!! control_disable control_disable ss name pids [ 445.970579][ T5603] !!!! control_disable kill_css(ffff88810eda0400) [ 445.977187][ T5603] !!!! control_disable control_disable ss name cpu [ 445.983716][ T5603] !!!! control_disable control_disable ss name memory [ 445.990520][ T5603] !!!! control_disable control_disable ss name pids [ 445.997113][ C1] !!!! css_killed_ref_fn enqueue(ffff88810eda3c00) [ 446.003707][ T5603] !!!! control_disable kill_css(ffff88810eda3000) [ 446.010221][ C1] !!!! css_killed_ref_fn enqueue(ffff88810eda0400) [ 446.016844][ T5603] !!!! control_disable control_disable ss name cpu [ 446.023313][ T5603] !!!! control_disable control_disable ss name memory [ 446.030085][ T5603] !!!! control_disable control_disable ss name cpu [ 446.036595][ T5603] !!!! control_disable control_disable ss name memory [ 446.043324][ T5603] !!!! control_disable control_disable ss name cpu [ 446.049814][ T5603] !!!! control_disable control_disable ss name memory [ 446.056570][ T5603] !!!! control_disable control_disable ss name cpu [ 446.063036][ T5603] !!!! control_disable control_disable ss name memory [ 446.069792][ T5603] !!!! control_disable control_disable ss name pids [ 446.076398][ T5603] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 446.082920][ T5529] !!!! css_killed_work_fn css_put(ffff88810eda3c00) [ 446.089611][ T5529] !!!! css_release enqueue(ffff88810eda3c00) [ 446.095686][ C1] !!!! css_killed_ref_fn enqueue(ffff88810eda3000) [ 446.102300][ T5529] !!!! css_killed_work_fn css_put(ffff88810eda0400) [ 446.108978][ T5529] !!!! css_release enqueue(ffff88810eda0400) [ 446.115170][ T5529] !!!! css_killed_work_fn css_put(ffff88810eda3000) [ 446.121824][ T5529] !!!! css_release enqueue(ffff88810eda3000) [ 446.127970][ T5614] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 446.128129][ T5605] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 446.134602][ T5614] !!!! css_create css ffff88810eb50800 !!!! [ 446.146982][ T5614] !!!! css_create css ffff88810eb52400 !!!! [ 446.152895][ T5614] !!!! css_create css ffff88810eb51800 !!!! [ 446.158951][ T5614] FAULT_INJECTION: forcing a failure. [ 446.158951][ T5614] name failslab, interval 1, probability 0, space 0, times 0 [ 446.171665][ T5614] CPU: 1 PID: 5614 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 446.183350][ T5614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 446.193377][ T5614] Call Trace: [ 446.196643][ T5614] dump_stack_lvl+0x1e2/0x24b [ 446.201302][ T5614] ? bfq_pos_tree_add_move+0x43e/0x43e [ 446.206752][ T5614] dump_stack+0x15/0x17 [ 446.210889][ T5614] should_fail+0x3c0/0x510 [ 446.215276][ T5614] ? __kernfs_new_node+0x99/0x6e0 [ 446.220448][ T5614] __should_failslab+0x9f/0xe0 [ 446.225182][ T5614] should_failslab+0x9/0x20 [ 446.229680][ T5614] __kmalloc_track_caller+0x5f/0x350 [ 446.234945][ T5614] kstrdup_const+0x55/0x90 [ 446.239337][ T5614] __kernfs_new_node+0x99/0x6e0 [ 446.244161][ T5614] ? stack_trace_save+0x1f0/0x1f0 [ 446.249162][ T5614] ? kernfs_new_node+0x170/0x170 [ 446.254081][ T5614] ? ptr_to_hashval+0x60/0x60 [ 446.258729][ T5614] ? snprintf+0xd6/0x120 [ 446.262950][ T5614] kernfs_new_node+0x97/0x170 [ 446.267773][ T5614] __kernfs_create_file+0x4a/0x270 [ 446.272883][ T5614] cgroup_addrm_files+0xab8/0xfe0 [ 446.277902][ T5614] ? cgroup_apply_control_enable+0x734/0x12e0 [ 446.283951][ T5614] ? cgroup_apply_control+0x93/0x710 [ 446.289214][ T5614] ? cgroup_subtree_control_write+0xd19/0x1310 [ 446.295341][ T5614] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 446.301467][ T5614] ? delete_node+0x759/0x7b0 [ 446.306029][ T5614] ? __kasan_check_read+0x11/0x20 [ 446.311026][ T5614] ? delete_node+0x759/0x7b0 [ 446.315587][ T5614] ? __kasan_check_write+0x14/0x20 [ 446.320670][ T5614] ? __radix_tree_replace+0x246/0x2e0 [ 446.326028][ T5614] ? idr_get_next+0x4b0/0x4b0 [ 446.330711][ T5614] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 446.335711][ T5614] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 446.340887][ T5614] css_populate_dir+0x137/0x370 [ 446.345711][ T5614] cgroup_apply_control_enable+0x629/0x12e0 [ 446.351579][ T5614] cgroup_apply_control+0x93/0x710 [ 446.356663][ T5614] ? css_next_child+0x160/0x160 [ 446.361484][ T5614] ? stack_trace_save+0x12d/0x1f0 [ 446.366479][ T5614] ? io_schedule+0x120/0x120 [ 446.371045][ T5614] ? kernfs_fop_write_iter+0x15e/0x410 [ 446.376480][ T5614] ? __kasan_check_write+0x14/0x20 [ 446.381564][ T5614] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 446.386823][ T5614] cgroup_subtree_control_write+0xd19/0x1310 [ 446.392781][ T5614] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 446.398742][ T5614] ? __kasan_check_write+0x14/0x20 [ 446.403843][ T5614] ? _copy_from_iter+0x3fb/0xd60 [ 446.408754][ T5614] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 446.414706][ T5614] cgroup_file_write+0x28e/0x590 [ 446.419613][ T5614] ? cgroup_seqfile_stop+0xc0/0xc0 [ 446.424696][ T5614] ? mutex_lock+0xa6/0x110 [ 446.429082][ T5614] ? mutex_trylock+0xb0/0xb0 [ 446.433646][ T5614] ? __kasan_check_write+0x14/0x20 [ 446.438730][ T5614] kernfs_fop_write_iter+0x2d0/0x410 [ 446.443984][ T5614] ? cgroup_seqfile_stop+0xc0/0xc0 [ 446.449066][ T5614] vfs_write+0xc1c/0xf40 [ 446.453290][ T5614] ? slab_free_freelist_hook+0xcc/0x1a0 [ 446.458818][ T5614] ? kernel_write+0x3c0/0x3c0 [ 446.463470][ T5614] ? do_sys_openat2+0x397/0x470 [ 446.468354][ T5614] ? __kasan_check_read+0x11/0x20 [ 446.473360][ T5614] ? __fdget_pos+0x27e/0x310 [ 446.477925][ T5614] ksys_write+0x198/0x2c0 [ 446.482229][ T5614] ? __ia32_sys_read+0x90/0x90 [ 446.486972][ T5614] ? debug_smp_processor_id+0x17/0x20 [ 446.492323][ T5614] __x64_sys_write+0x7b/0x90 [ 446.496886][ T5614] do_syscall_64+0x34/0x70 [ 446.501277][ T5614] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 446.507138][ T5614] RIP: 0033:0x7f20e245dc09 [ 446.511525][ T5614] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 446.531102][ T5614] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 446.539495][ T5614] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 446.547445][ T5614] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 446.555387][ T5614] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 446.563330][ T5614] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 446.571362][ T5614] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 000000000000000a [ 446.579451][ T5614] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 446.586654][ T5614] !!!! control_disable control_disable ss name cpu [ 446.593251][ T5614] !!!! control_disable control_disable ss name memory [ 446.600174][ T5614] !!!! control_disable control_disable ss name pids [ 446.606818][ T5614] !!!! control_disable kill_css(ffff88810eb50800) [ 446.613361][ T5614] !!!! control_disable control_disable ss name cpu [ 446.619932][ T5614] !!!! control_disable control_disable ss name memory [ 446.626724][ T5614] !!!! control_disable control_disable ss name pids [ 446.633335][ T5614] !!!! control_disable kill_css(ffff88810eb52400) [ 446.639837][ C0] !!!! css_killed_ref_fn enqueue(ffff88810eb50800) [ 446.646475][ T5614] !!!! control_disable control_disable ss name cpu [ 446.652946][ T5614] !!!! control_disable control_disable ss name memory [ 446.659705][ T5614] !!!! control_disable control_disable ss name pids [ 446.666286][ T5614] !!!! control_disable kill_css(ffff88810eb51800) [ 446.672794][ T5614] !!!! control_disable control_disable ss name cpu [ 446.679296][ T5614] !!!! control_disable control_disable ss name memory [ 446.686051][ T5614] !!!! control_disable control_disable ss name cpu [ 446.692527][ T5614] !!!! control_disable control_disable ss name memory [ 446.699276][ T5614] !!!! control_disable control_disable ss name cpu [ 446.705760][ T5614] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 446.712490][ T5614] !!!! control_disable control_disable ss name cpu [ 446.718980][ T5614] !!!! control_disable control_disable ss name memory [ 446.725727][ T5614] !!!! control_disable control_disable ss name pids [ 446.732478][ T5533] !!!! css_killed_work_fn css_put(ffff88810eb50800) [ 446.732824][ T5614] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 446.739364][ T5533] !!!! css_release enqueue(ffff88810eb50800) [ 446.751925][ C0] !!!! css_killed_ref_fn enqueue(ffff88810eb52400) [ 446.758546][ C0] !!!! css_killed_ref_fn enqueue(ffff88810eb51800) [ 446.765178][ T5533] !!!! css_killed_work_fn css_put(ffff88810eb52400) [ 446.771832][ T5533] !!!! css_release enqueue(ffff88810eb52400) [ 446.777923][ T5533] !!!! css_killed_work_fn css_put(ffff88810eb51800) [ 446.784585][ T5533] !!!! css_release enqueue(ffff88810eb51800) [ 446.790689][ T5617] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 446.790753][ T5616] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 446.797205][ T5610] !!!! css_create css ffff88810f33d800 !!!! [ 446.797263][ T5610] !!!! css_create css ffff88810f33fc00 !!!! [ 446.815477][ T5610] !!!! css_create css ffff88810f33c400 !!!! [ 446.821444][ T5610] FAULT_INJECTION: forcing a failure. [ 446.821444][ T5610] name failslab, interval 1, probability 0, space 0, times 0 [ 446.834159][ T5610] CPU: 0 PID: 5610 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 446.845840][ T5610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 446.855866][ T5610] Call Trace: [ 446.859131][ T5610] dump_stack_lvl+0x1e2/0x24b [ 446.863779][ T5610] ? bfq_pos_tree_add_move+0x43e/0x43e [ 446.869209][ T5610] ? serial8250_console_write+0xae0/0xe60 [ 446.874911][ T5610] ? record_print_text+0x266/0x420 [ 446.880000][ T5610] dump_stack+0x15/0x17 [ 446.884126][ T5610] should_fail+0x3c0/0x510 [ 446.888521][ T5610] ? __kernfs_new_node+0x99/0x6e0 [ 446.893526][ T5610] __should_failslab+0x9f/0xe0 [ 446.898264][ T5610] should_failslab+0x9/0x20 [ 446.902737][ T5610] __kmalloc_track_caller+0x5f/0x350 [ 446.907999][ T5610] kstrdup_const+0x55/0x90 [ 446.912388][ T5610] __kernfs_new_node+0x99/0x6e0 [ 446.917209][ T5610] ? stack_trace_save+0x1f0/0x1f0 [ 446.922212][ T5610] ? kernfs_new_node+0x170/0x170 [ 446.927128][ T5610] ? ptr_to_hashval+0x60/0x60 [ 446.931780][ T5610] ? snprintf+0xd6/0x120 [ 446.935999][ T5610] kernfs_new_node+0x97/0x170 [ 446.940663][ T5610] __kernfs_create_file+0x4a/0x270 [ 446.945763][ T5610] cgroup_addrm_files+0xab8/0xfe0 [ 446.950763][ T5610] ? cgroup_apply_control_enable+0x734/0x12e0 [ 446.956803][ T5610] ? cgroup_apply_control+0x93/0x710 [ 446.962058][ T5610] ? cgroup_subtree_control_write+0xd19/0x1310 [ 446.968182][ T5610] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 446.974305][ T5610] ? delete_node+0x759/0x7b0 [ 446.978869][ T5610] ? __kasan_check_read+0x11/0x20 [ 446.983862][ T5610] ? delete_node+0x759/0x7b0 [ 446.988425][ T5610] ? __kasan_check_write+0x14/0x20 [ 446.993509][ T5610] ? __radix_tree_replace+0x246/0x2e0 [ 446.998853][ T5610] ? idr_get_next+0x4b0/0x4b0 [ 447.003502][ T5610] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 447.008503][ T5610] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 447.013681][ T5610] css_populate_dir+0x137/0x370 [ 447.018503][ T5610] cgroup_apply_control_enable+0x629/0x12e0 [ 447.024366][ T5610] cgroup_apply_control+0x93/0x710 [ 447.029473][ T5610] ? css_next_child+0x160/0x160 [ 447.034297][ T5610] ? stack_trace_save+0x12d/0x1f0 [ 447.039293][ T5610] ? io_schedule+0x120/0x120 [ 447.043869][ T5610] ? kernfs_fop_write_iter+0x15e/0x410 [ 447.049300][ T5610] ? __kasan_check_write+0x14/0x20 [ 447.054384][ T5610] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 447.059639][ T5610] cgroup_subtree_control_write+0xd19/0x1310 [ 447.065592][ T5610] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 447.071543][ T5610] ? __kasan_check_write+0x14/0x20 [ 447.076630][ T5610] ? _copy_from_iter+0x3fb/0xd60 [ 447.081538][ T5610] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 447.087488][ T5610] cgroup_file_write+0x28e/0x590 [ 447.092399][ T5610] ? cgroup_seqfile_stop+0xc0/0xc0 [ 447.097488][ T5610] ? mutex_lock+0xa6/0x110 [ 447.101880][ T5610] ? mutex_trylock+0xb0/0xb0 [ 447.106449][ T5610] ? __kasan_check_write+0x14/0x20 [ 447.111536][ T5610] kernfs_fop_write_iter+0x2d0/0x410 [ 447.116795][ T5610] ? cgroup_seqfile_stop+0xc0/0xc0 [ 447.121879][ T5610] vfs_write+0xc1c/0xf40 [ 447.126119][ T5610] ? slab_free_freelist_hook+0xcc/0x1a0 [ 447.131644][ T5610] ? kernel_write+0x3c0/0x3c0 [ 447.136295][ T5610] ? do_sys_openat2+0x397/0x470 [ 447.141122][ T5610] ? __kasan_check_read+0x11/0x20 [ 447.146122][ T5610] ? __fdget_pos+0x27e/0x310 [ 447.150689][ T5610] ksys_write+0x198/0x2c0 [ 447.155000][ T5610] ? __ia32_sys_read+0x90/0x90 [ 447.159739][ T5610] ? debug_smp_processor_id+0x17/0x20 [ 447.165084][ T5610] __x64_sys_write+0x7b/0x90 [ 447.169651][ T5610] do_syscall_64+0x34/0x70 [ 447.174043][ T5610] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 447.179908][ T5610] RIP: 0033:0x7f20e245dc09 [ 447.184305][ T5610] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 447.203881][ T5610] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 447.212269][ T5610] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 447.220217][ T5610] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 447.228165][ T5610] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 447.236115][ T5610] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 447.244062][ T5610] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 000000000000000a [ 447.252169][ T5610] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 447.259279][ T5610] !!!! control_disable control_disable ss name cpu [ 447.265825][ T5610] !!!! control_disable control_disable ss name memory [ 447.272612][ T5610] !!!! control_disable control_disable ss name pids [ 447.279241][ T5610] !!!! control_disable kill_css(ffff88810f33d800) [ 447.285816][ T5610] !!!! control_disable control_disable ss name cpu [ 447.292336][ T5610] !!!! control_disable control_disable ss name memory [ 447.299265][ T5610] !!!! control_disable control_disable ss name pids [ 447.305899][ T5610] !!!! control_disable kill_css(ffff88810f33fc00) [ 447.312466][ T5610] !!!! control_disable control_disable ss name cpu [ 447.319032][ T5610] !!!! control_disable control_disable ss name memory [ 447.325814][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f33d800) [ 447.332409][ T5610] !!!! control_disable control_disable ss name pids [ 447.339016][ T5610] !!!! control_disable kill_css(ffff88810f33c400) [ 447.345524][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f33fc00) [ 447.352113][ T5610] !!!! control_disable control_disable ss name cpu [ 447.358617][ T5610] !!!! control_disable control_disable ss name memory [ 447.365372][ T5610] !!!! control_disable control_disable ss name cpu [ 447.371842][ T5610] !!!! control_disable control_disable ss name memory [ 447.378596][ T5610] !!!! control_disable control_disable ss name cpu [ 447.385088][ T5610] !!!! control_disable control_disable ss name memory [ 447.392078][ T5610] !!!! control_disable control_disable ss name cpu [ 447.398576][ T5610] !!!! control_disable control_disable ss name memory [ 447.405348][ T5610] !!!! control_disable control_disable ss name pids [ 447.411943][ T5610] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 447.418529][ T5533] !!!! css_killed_work_fn css_put(ffff88810f33d800) [ 447.425209][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f33c400) [ 447.431885][ T5533] !!!! css_release enqueue(ffff88810f33d800) [ 447.438795][ T5533] !!!! css_killed_work_fn css_put(ffff88810f33fc00) [ 447.445495][ T5533] !!!! css_release enqueue(ffff88810f33fc00) [ 447.451800][ T5533] !!!! css_killed_work_fn css_put(ffff88810f33c400) [ 447.458500][ T5533] !!!! css_release enqueue(ffff88810f33c400) [ 447.464609][ T5616] !!!! css_create css ffff88811849e800 !!!! [ 447.470711][ T5616] !!!! css_create css ffff88811849cc00 !!!! [ 447.476719][ T5616] !!!! css_create css ffff88810f33e000 !!!! [ 447.482631][ T5616] FAULT_INJECTION: forcing a failure. [ 447.482631][ T5616] name failslab, interval 1, probability 0, space 0, times 0 [ 447.495251][ T5616] CPU: 0 PID: 5616 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 447.506938][ T5616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 447.517058][ T5616] Call Trace: [ 447.520344][ T5616] dump_stack_lvl+0x1e2/0x24b [ 447.525003][ T5616] ? bfq_pos_tree_add_move+0x43e/0x43e [ 447.530432][ T5616] ? find_next_bit+0xd6/0x120 [ 447.535080][ T5616] ? cpumask_next+0x11/0x30 [ 447.539578][ T5616] dump_stack+0x15/0x17 [ 447.543714][ T5616] should_fail+0x3c0/0x510 [ 447.548107][ T5616] ? percpu_ref_init+0xd0/0x330 [ 447.552932][ T5616] __should_failslab+0x9f/0xe0 [ 447.557676][ T5616] should_failslab+0x9/0x20 [ 447.562153][ T5616] kmem_cache_alloc_trace+0x3a/0x330 [ 447.567417][ T5616] percpu_ref_init+0xd0/0x330 [ 447.572071][ T5616] ? cgroup_setup_root+0xea0/0xea0 [ 447.577155][ T5616] cgroup_apply_control_enable+0x734/0x12e0 [ 447.583021][ T5616] cgroup_apply_control+0x93/0x710 [ 447.588107][ T5616] ? css_next_child+0x160/0x160 [ 447.592928][ T5616] ? stack_trace_save+0x12d/0x1f0 [ 447.597928][ T5616] ? io_schedule+0x120/0x120 [ 447.602501][ T5616] ? kernfs_fop_write_iter+0x15e/0x410 [ 447.607959][ T5616] ? __kasan_check_write+0x14/0x20 [ 447.613059][ T5616] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 447.618316][ T5616] cgroup_subtree_control_write+0xd19/0x1310 [ 447.624271][ T5616] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 447.630222][ T5616] ? __kasan_check_write+0x14/0x20 [ 447.635333][ T5616] ? _copy_from_iter+0x3fb/0xd60 [ 447.640253][ T5616] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 447.646203][ T5616] cgroup_file_write+0x28e/0x590 [ 447.651114][ T5616] ? cgroup_seqfile_stop+0xc0/0xc0 [ 447.656198][ T5616] ? mutex_lock+0xa6/0x110 [ 447.660583][ T5616] ? mutex_trylock+0xb0/0xb0 [ 447.665145][ T5616] ? __kasan_check_write+0x14/0x20 [ 447.670231][ T5616] kernfs_fop_write_iter+0x2d0/0x410 [ 447.675506][ T5616] ? cgroup_seqfile_stop+0xc0/0xc0 [ 447.680599][ T5616] vfs_write+0xc1c/0xf40 [ 447.684813][ T5616] ? slab_free_freelist_hook+0xcc/0x1a0 [ 447.690331][ T5616] ? kernel_write+0x3c0/0x3c0 [ 447.694983][ T5616] ? do_sys_openat2+0x397/0x470 [ 447.699820][ T5616] ? __kasan_check_read+0x11/0x20 [ 447.704822][ T5616] ? __fdget_pos+0x27e/0x310 [ 447.709384][ T5616] ksys_write+0x198/0x2c0 [ 447.713684][ T5616] ? __ia32_sys_read+0x90/0x90 [ 447.718429][ T5616] ? debug_smp_processor_id+0x17/0x20 [ 447.723853][ T5616] __x64_sys_write+0x7b/0x90 [ 447.728437][ T5616] do_syscall_64+0x34/0x70 [ 447.732834][ T5616] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 447.738708][ T5616] RIP: 0033:0x7f20e245dc09 [ 447.743116][ T5616] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 447.762697][ T5616] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 447.771086][ T5616] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 447.779039][ T5616] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 447.786989][ T5616] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 447.794937][ T5616] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 447.802910][ T5616] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 0000000000000009 [ 447.810994][ T5616] !!!! css_create rcu_enqueue(ffff88810f33e000) !!!! [ 447.817785][ T5616] !!!! control_disable control_disable ss name cpu [ 447.824306][ T5616] !!!! control_disable control_disable ss name memory [ 447.831152][ T5616] !!!! control_disable control_disable ss name pids [ 447.837790][ T5616] !!!! control_disable kill_css(ffff88811849e800) [ 447.844330][ T5616] !!!! control_disable control_disable ss name cpu [ 447.850878][ T5616] !!!! control_disable control_disable ss name memory [ 447.857682][ T5616] !!!! control_disable control_disable ss name pids [ 447.864275][ T5616] !!!! control_disable kill_css(ffff88811849cc00) [ 447.870870][ T5616] !!!! control_disable control_disable ss name cpu [ 447.877385][ C0] !!!! css_killed_ref_fn enqueue(ffff88811849e800) [ 447.883984][ T5616] !!!! control_disable control_disable ss name memory [ 447.890738][ T5616] !!!! control_disable control_disable ss name cpu [ 447.897235][ T5616] !!!! control_disable control_disable ss name memory [ 447.903961][ T5616] !!!! control_disable control_disable ss name cpu [ 447.911048][ T5616] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 447.917837][ T5616] !!!! control_disable control_disable ss name cpu [ 447.924318][ T5616] !!!! control_disable control_disable ss name memory [ 447.931096][ C0] !!!! css_killed_ref_fn enqueue(ffff88811849cc00) [ 447.937704][ T5616] !!!! control_disable control_disable ss name cpu [ 447.944174][ T5616] !!!! control_disable control_disable ss name memory [ 447.950925][ T5616] !!!! control_disable control_disable ss name pids [ 447.957541][ T5616] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 447.964081][ T5533] !!!! css_killed_work_fn css_put(ffff88811849e800) [ 447.970773][ T5533] !!!! css_release enqueue(ffff88811849e800) [ 447.977038][ T5533] !!!! css_killed_work_fn css_put(ffff88811849cc00) [ 447.984581][ T5533] !!!! css_release enqueue(ffff88811849cc00) [ 447.990708][ T5618] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 447.994986][ T5613] !!!! css_create css ffff888115488c00 !!!! [ 448.003127][ T5613] !!!! css_create css ffff88811548b400 !!!! [ 448.009200][ T5613] !!!! css_create css ffff888115488800 !!!! [ 448.015115][ T5613] FAULT_INJECTION: forcing a failure. [ 448.015115][ T5613] name failslab, interval 1, probability 0, space 0, times 0 [ 448.027696][ T5613] CPU: 1 PID: 5613 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 448.039374][ T5613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 448.049412][ T5613] Call Trace: [ 448.052691][ T5613] dump_stack_lvl+0x1e2/0x24b [ 448.057350][ T5613] ? bfq_pos_tree_add_move+0x43e/0x43e [ 448.062784][ T5613] dump_stack+0x15/0x17 [ 448.067004][ T5613] should_fail+0x3c0/0x510 [ 448.071395][ T5613] ? __kernfs_new_node+0x99/0x6e0 [ 448.076405][ T5613] __should_failslab+0x9f/0xe0 [ 448.081508][ T5613] should_failslab+0x9/0x20 [ 448.086079][ T5613] __kmalloc_track_caller+0x5f/0x350 [ 448.091342][ T5613] kstrdup_const+0x55/0x90 [ 448.095731][ T5613] __kernfs_new_node+0x99/0x6e0 [ 448.100556][ T5613] ? stack_trace_save+0x1f0/0x1f0 [ 448.105568][ T5613] ? kernfs_new_node+0x170/0x170 [ 448.110486][ T5613] ? ptr_to_hashval+0x60/0x60 [ 448.115141][ T5613] ? snprintf+0xd6/0x120 [ 448.119360][ T5613] kernfs_new_node+0x97/0x170 [ 448.124027][ T5613] __kernfs_create_file+0x4a/0x270 [ 448.129119][ T5613] cgroup_addrm_files+0xab8/0xfe0 [ 448.134122][ T5613] ? cgroup_apply_control_enable+0x734/0x12e0 [ 448.140171][ T5613] ? cgroup_apply_control+0x93/0x710 [ 448.145453][ T5613] ? cgroup_subtree_control_write+0xd19/0x1310 [ 448.151580][ T5613] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 448.157722][ T5613] ? delete_node+0x759/0x7b0 [ 448.162301][ T5613] ? __kasan_check_read+0x11/0x20 [ 448.167297][ T5613] ? delete_node+0x759/0x7b0 [ 448.171874][ T5613] ? __kasan_check_write+0x14/0x20 [ 448.176966][ T5613] ? __radix_tree_replace+0x246/0x2e0 [ 448.182321][ T5613] ? idr_get_next+0x4b0/0x4b0 [ 448.186977][ T5613] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 448.191983][ T5613] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 448.197246][ T5613] css_populate_dir+0x137/0x370 [ 448.202079][ T5613] cgroup_apply_control_enable+0x629/0x12e0 [ 448.207962][ T5613] cgroup_apply_control+0x93/0x710 [ 448.213062][ T5613] ? css_next_child+0x160/0x160 [ 448.217884][ T5613] ? stack_trace_save+0x12d/0x1f0 [ 448.222898][ T5613] ? io_schedule+0x120/0x120 [ 448.227468][ T5613] ? kernfs_fop_write_iter+0x15e/0x410 [ 448.232900][ T5613] ? __kasan_check_write+0x14/0x20 [ 448.237985][ T5613] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 448.243245][ T5613] cgroup_subtree_control_write+0xd19/0x1310 [ 448.249203][ T5613] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 448.255156][ T5613] ? __kasan_check_write+0x14/0x20 [ 448.260239][ T5613] ? _copy_from_iter+0x3fb/0xd60 [ 448.265149][ T5613] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 448.271097][ T5613] cgroup_file_write+0x28e/0x590 [ 448.276007][ T5613] ? cgroup_seqfile_stop+0xc0/0xc0 [ 448.281091][ T5613] ? mutex_lock+0xa6/0x110 [ 448.285481][ T5613] ? mutex_trylock+0xb0/0xb0 [ 448.290048][ T5613] ? __kasan_check_write+0x14/0x20 [ 448.295142][ T5613] kernfs_fop_write_iter+0x2d0/0x410 [ 448.300406][ T5613] ? cgroup_seqfile_stop+0xc0/0xc0 [ 448.305496][ T5613] vfs_write+0xc1c/0xf40 [ 448.309717][ T5613] ? slab_free_freelist_hook+0xcc/0x1a0 [ 448.315268][ T5613] ? kernel_write+0x3c0/0x3c0 [ 448.319928][ T5613] ? do_sys_openat2+0x397/0x470 [ 448.324770][ T5613] ? __kasan_check_read+0x11/0x20 [ 448.329775][ T5613] ? __fdget_pos+0x27e/0x310 [ 448.334386][ T5613] ksys_write+0x198/0x2c0 [ 448.338691][ T5613] ? __ia32_sys_read+0x90/0x90 [ 448.343430][ T5613] ? debug_smp_processor_id+0x17/0x20 [ 448.348778][ T5613] __x64_sys_write+0x7b/0x90 [ 448.353345][ T5613] do_syscall_64+0x34/0x70 [ 448.357735][ T5613] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 448.363601][ T5613] RIP: 0033:0x7f20e245dc09 [ 448.367992][ T5613] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 448.387575][ T5613] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 448.395960][ T5613] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 448.403905][ T5613] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 448.411855][ T5613] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 448.422089][ T5613] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 448.430045][ T5613] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 000000000000000a [ 448.438213][ T5613] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 448.445277][ T5613] !!!! control_disable control_disable ss name cpu [ 448.451768][ T5613] !!!! control_disable control_disable ss name memory [ 448.458538][ T5613] !!!! control_disable control_disable ss name pids [ 448.465129][ T5613] !!!! control_disable kill_css(ffff888115488c00) [ 448.471658][ T5613] !!!! control_disable control_disable ss name cpu [ 448.478188][ T5613] !!!! control_disable control_disable ss name memory [ 448.484952][ T5613] !!!! control_disable control_disable ss name pids [ 448.491527][ T5613] !!!! control_disable kill_css(ffff88811548b400) [ 448.498103][ T5613] !!!! control_disable control_disable ss name cpu [ 448.504595][ T5613] !!!! control_disable control_disable ss name memory [ 448.511352][ T5613] !!!! control_disable control_disable ss name pids [ 448.517938][ T5613] !!!! control_disable kill_css(ffff888115488800) [ 448.524431][ T5613] !!!! control_disable control_disable ss name cpu [ 448.530939][ T5613] !!!! control_disable control_disable ss name memory [ 448.537696][ T5613] !!!! control_disable control_disable ss name cpu [ 448.544177][ T5613] !!!! control_disable control_disable ss name memory [ 448.550935][ T5613] !!!! control_disable control_disable ss name cpu [ 448.557452][ T5613] !!!! control_disable control_disable ss name memory [ 448.564373][ T5613] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 448.570888][ T5613] !!!! control_disable control_disable ss name memory [ 448.577660][ T5613] !!!! control_disable control_disable ss name pids [ 448.584234][ T5613] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 448.624938][ C1] !!!! css_killed_ref_fn enqueue(ffff888115488c00) [ 448.631596][ T5529] !!!! css_killed_work_fn css_put(ffff888115488c00) [ 448.638270][ T5529] !!!! css_release enqueue(ffff888115488c00) [ 448.654927][ C1] !!!! css_killed_ref_fn enqueue(ffff88811548b400) [ 448.661523][ C1] !!!! css_killed_ref_fn enqueue(ffff888115488800) [ 448.668236][ T5529] !!!! css_killed_work_fn css_put(ffff88811548b400) [ 448.674918][ T5529] !!!! css_release enqueue(ffff88811548b400) [ 448.680976][ T5529] !!!! css_killed_work_fn css_put(ffff888115488800) [ 448.687672][ T5529] !!!! css_release enqueue(ffff888115488800) [ 448.693765][ T5618] !!!! css_create css ffff88811527f400 !!!! [ 448.699744][ T5618] !!!! css_create css ffff88811527c800 !!!! [ 448.705735][ T5618] !!!! css_create css ffff88811527e400 !!!! [ 448.711664][ T5618] FAULT_INJECTION: forcing a failure. [ 448.711664][ T5618] name failslab, interval 1, probability 0, space 0, times 0 [ 448.724292][ T5618] CPU: 0 PID: 5618 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 448.735991][ T5618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 448.746018][ T5618] Call Trace: [ 448.749281][ T5618] dump_stack_lvl+0x1e2/0x24b [ 448.753931][ T5618] ? bfq_pos_tree_add_move+0x43e/0x43e [ 448.759364][ T5618] ? find_next_bit+0xd6/0x120 [ 448.764017][ T5618] ? cpumask_next+0x11/0x30 [ 448.768490][ T5618] dump_stack+0x15/0x17 [ 448.772615][ T5618] should_fail+0x3c0/0x510 [ 448.777004][ T5618] ? percpu_ref_init+0xd0/0x330 [ 448.781827][ T5618] __should_failslab+0x9f/0xe0 [ 448.786563][ T5618] should_failslab+0x9/0x20 [ 448.791037][ T5618] kmem_cache_alloc_trace+0x3a/0x330 [ 448.796289][ T5618] percpu_ref_init+0xd0/0x330 [ 448.800936][ T5618] ? cgroup_setup_root+0xea0/0xea0 [ 448.806019][ T5618] cgroup_apply_control_enable+0x734/0x12e0 [ 448.811885][ T5618] cgroup_apply_control+0x93/0x710 [ 448.816965][ T5618] ? css_next_child+0x160/0x160 [ 448.821782][ T5618] ? stack_trace_save+0x12d/0x1f0 [ 448.826775][ T5618] ? io_schedule+0x120/0x120 [ 448.831337][ T5618] ? kernfs_fop_write_iter+0x15e/0x410 [ 448.836766][ T5618] ? __kasan_check_write+0x14/0x20 [ 448.841851][ T5618] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 448.847108][ T5618] cgroup_subtree_control_write+0xd19/0x1310 [ 448.853060][ T5618] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 448.859008][ T5618] ? __kasan_check_write+0x14/0x20 [ 448.864090][ T5618] ? _copy_from_iter+0x3fb/0xd60 [ 448.869004][ T5618] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 448.874955][ T5618] cgroup_file_write+0x28e/0x590 [ 448.879876][ T5618] ? cgroup_seqfile_stop+0xc0/0xc0 [ 448.884977][ T5618] ? mutex_lock+0xa6/0x110 [ 448.889386][ T5618] ? mutex_trylock+0xb0/0xb0 [ 448.893958][ T5618] ? __kasan_check_write+0x14/0x20 [ 448.899055][ T5618] kernfs_fop_write_iter+0x2d0/0x410 [ 448.904338][ T5618] ? cgroup_seqfile_stop+0xc0/0xc0 [ 448.909428][ T5618] vfs_write+0xc1c/0xf40 [ 448.913646][ T5618] ? slab_free_freelist_hook+0xcc/0x1a0 [ 448.919163][ T5618] ? kernel_write+0x3c0/0x3c0 [ 448.923808][ T5618] ? do_sys_openat2+0x397/0x470 [ 448.928632][ T5618] ? __kasan_check_read+0x11/0x20 [ 448.933628][ T5618] ? __fdget_pos+0x27e/0x310 [ 448.938188][ T5618] ksys_write+0x198/0x2c0 [ 448.942490][ T5618] ? __ia32_sys_read+0x90/0x90 [ 448.947228][ T5618] ? debug_smp_processor_id+0x17/0x20 [ 448.952584][ T5618] __x64_sys_write+0x7b/0x90 [ 448.957146][ T5618] do_syscall_64+0x34/0x70 [ 448.961533][ T5618] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 448.967394][ T5618] RIP: 0033:0x7f20e245dc09 [ 448.971786][ T5618] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 448.991379][ T5618] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 448.999765][ T5618] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 449.007712][ T5618] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 449.015656][ T5618] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 449.023612][ T5618] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 449.031571][ T5618] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 000000000000000b [ 449.039777][ T5618] !!!! css_create rcu_enqueue(ffff88811527e400) !!!! [ 449.046561][ T5618] !!!! control_disable control_disable ss name cpu [ 449.053199][ T5618] !!!! control_disable control_disable ss name memory [ 449.060036][ T5618] !!!! control_disable control_disable ss name pids [ 449.066713][ T5618] !!!! control_disable kill_css(ffff88811527f400) [ 449.073263][ T5618] !!!! control_disable control_disable ss name cpu [ 449.079799][ T5618] !!!! control_disable control_disable ss name memory [ 449.086755][ T5618] !!!! control_disable control_disable ss name pids [ 449.093357][ T5618] !!!! control_disable kill_css(ffff88811527c800) [ 449.100061][ T5618] !!!! control_disable control_disable ss name cpu [ 449.106565][ C1] !!!! css_killed_ref_fn enqueue(ffff88811527f400) [ 449.113150][ T5618] !!!! control_disable control_disable ss name memory [ 449.119941][ T5618] !!!! control_disable control_disable ss name cpu [ 449.126458][ T5618] !!!! control_disable control_disable ss name memory [ 449.133203][ T5618] !!!! control_disable control_disable ss name cpu [ 449.139697][ T5618] !!!! control_disable control_disable ss name memory [ 449.146448][ T5618] !!!! control_disable control_disable ss name cpu [ 449.152917][ T5618] !!!! control_disable control_disable ss name memory [ 449.159671][ T5618] !!!! control_disable control_disable ss name cpu [ 449.166164][ T5618] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 449.172894][ T5618] !!!! control_disable control_disable ss name pids [ 449.179527][ T5618] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 449.186073][ T5529] !!!! css_killed_work_fn css_put(ffff88811527f400) [ 449.192736][ T5529] !!!! css_release enqueue(ffff88811527f400) [ 449.198811][ C1] !!!! css_killed_ref_fn enqueue(ffff88811527c800) [ 449.205546][ T5529] !!!! css_killed_work_fn css_put(ffff88811527c800) [ 449.212210][ T5529] !!!! css_release enqueue(ffff88811527c800) [ 449.218437][ T5611] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 449.222129][ T5615] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 449.224956][ T5617] !!!! css_create css ffff88811541c400 !!!! [ 449.225017][ T5617] !!!! css_create css ffff88811541f000 !!!! [ 449.243332][ T5617] !!!! css_create css ffff88811541dc00 !!!! [ 449.249290][ T5617] FAULT_INJECTION: forcing a failure. [ 449.249290][ T5617] name failslab, interval 1, probability 0, space 0, times 0 [ 449.261880][ T5617] CPU: 1 PID: 5617 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 449.273577][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 449.283608][ T5617] Call Trace: [ 449.286888][ T5617] dump_stack_lvl+0x1e2/0x24b [ 449.291549][ T5617] ? bfq_pos_tree_add_move+0x43e/0x43e [ 449.297001][ T5617] ? find_next_bit+0xd6/0x120 [ 449.301657][ T5617] ? cpumask_next+0x11/0x30 [ 449.306130][ T5617] dump_stack+0x15/0x17 [ 449.310273][ T5617] should_fail+0x3c0/0x510 [ 449.314665][ T5617] ? percpu_ref_init+0xd0/0x330 [ 449.319491][ T5617] __should_failslab+0x9f/0xe0 [ 449.324229][ T5617] should_failslab+0x9/0x20 [ 449.328721][ T5617] kmem_cache_alloc_trace+0x3a/0x330 [ 449.333989][ T5617] percpu_ref_init+0xd0/0x330 [ 449.338642][ T5617] ? cgroup_setup_root+0xea0/0xea0 [ 449.343735][ T5617] cgroup_apply_control_enable+0x734/0x12e0 [ 449.349612][ T5617] cgroup_apply_control+0x93/0x710 [ 449.354710][ T5617] ? css_next_child+0x160/0x160 [ 449.359579][ T5617] ? stack_trace_save+0x12d/0x1f0 [ 449.364583][ T5617] ? io_schedule+0x120/0x120 [ 449.369146][ T5617] ? kernfs_fop_write_iter+0x15e/0x410 [ 449.374587][ T5617] ? __kasan_check_write+0x14/0x20 [ 449.379675][ T5617] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 449.384950][ T5617] cgroup_subtree_control_write+0xd19/0x1310 [ 449.390916][ T5617] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 449.396880][ T5617] ? __kasan_check_write+0x14/0x20 [ 449.401977][ T5617] ? _copy_from_iter+0x3fb/0xd60 [ 449.406887][ T5617] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 449.412843][ T5617] cgroup_file_write+0x28e/0x590 [ 449.417755][ T5617] ? cgroup_seqfile_stop+0xc0/0xc0 [ 449.422845][ T5617] ? mutex_lock+0xa6/0x110 [ 449.427236][ T5617] ? mutex_trylock+0xb0/0xb0 [ 449.431807][ T5617] ? __kasan_check_write+0x14/0x20 [ 449.436903][ T5617] kernfs_fop_write_iter+0x2d0/0x410 [ 449.442160][ T5617] ? cgroup_seqfile_stop+0xc0/0xc0 [ 449.447289][ T5617] vfs_write+0xc1c/0xf40 [ 449.451510][ T5617] ? slab_free_freelist_hook+0xcc/0x1a0 [ 449.457058][ T5617] ? kernel_write+0x3c0/0x3c0 [ 449.461722][ T5617] ? do_sys_openat2+0x397/0x470 [ 449.466568][ T5617] ? __kasan_check_read+0x11/0x20 [ 449.471575][ T5617] ? __fdget_pos+0x27e/0x310 [ 449.476162][ T5617] ksys_write+0x198/0x2c0 [ 449.480486][ T5617] ? __ia32_sys_read+0x90/0x90 [ 449.485353][ T5617] ? debug_smp_processor_id+0x17/0x20 [ 449.490699][ T5617] __x64_sys_write+0x7b/0x90 [ 449.495266][ T5617] do_syscall_64+0x34/0x70 [ 449.499658][ T5617] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 449.505528][ T5617] RIP: 0033:0x7f20e245dc09 [ 449.509919][ T5617] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 449.529507][ T5617] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 449.537897][ T5617] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 449.545844][ T5617] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 449.553805][ T5617] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 449.561757][ T5617] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 449.569701][ T5617] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 000000000000000b [ 449.577816][ T5617] !!!! css_create rcu_enqueue(ffff88811541dc00) !!!! [ 449.584499][ T5617] !!!! control_disable control_disable ss name cpu [ 449.591011][ T5617] !!!! control_disable control_disable ss name memory [ 449.597777][ T5617] !!!! control_disable control_disable ss name pids [ 449.604362][ T5617] !!!! control_disable kill_css(ffff88811541c400) [ 449.610903][ T5617] !!!! control_disable control_disable ss name cpu [ 449.617396][ T5617] !!!! control_disable control_disable ss name memory [ 449.624127][ T5617] !!!! control_disable control_disable ss name pids [ 449.630705][ T5617] !!!! control_disable kill_css(ffff88811541f000) [ 449.637235][ T5617] !!!! control_disable control_disable ss name cpu [ 449.643704][ T5617] !!!! control_disable control_disable ss name memory [ 449.650472][ T5617] !!!! control_disable control_disable ss name cpu [ 449.656978][ T5617] !!!! control_disable control_disable ss name memory [ 449.663722][ T5617] !!!! control_disable control_disable ss name cpu [ 449.670223][ T5617] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 449.676980][ T5617] !!!! control_disable control_disable ss name cpu [ 449.683476][ T5617] !!!! control_disable control_disable ss name memory [ 449.690266][ T5617] !!!! control_disable control_disable ss name cpu [ 449.696774][ T5617] !!!! control_disable control_disable ss name memory [ 449.703503][ T5617] !!!! control_disable control_disable ss name pids [ 449.710134][ T5617] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 449.734929][ C1] !!!! css_killed_ref_fn enqueue(ffff88811541c400) [ 449.741542][ C1] !!!! css_killed_ref_fn enqueue(ffff88811541f000) [ 449.748161][ T5529] !!!! css_killed_work_fn css_put(ffff88811541c400) [ 449.754820][ T5529] !!!! css_release enqueue(ffff88811541c400) [ 449.760938][ T5529] !!!! css_killed_work_fn css_put(ffff88811541f000) [ 449.767630][ T5529] !!!! css_release enqueue(ffff88811541f000) [ 449.773741][ T5615] !!!! css_create css ffff88811370ac00 !!!! [ 449.779761][ T5615] !!!! css_create css ffff88811370b800 !!!! [ 449.785782][ T5615] !!!! css_create css ffff888113709400 !!!! [ 449.791750][ T5615] FAULT_INJECTION: forcing a failure. [ 449.791750][ T5615] name failslab, interval 1, probability 0, space 0, times 0 [ 449.804428][ T5615] CPU: 0 PID: 5615 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 449.816135][ T5615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 449.826165][ T5615] Call Trace: [ 449.829436][ T5615] dump_stack_lvl+0x1e2/0x24b [ 449.834086][ T5615] ? bfq_pos_tree_add_move+0x43e/0x43e [ 449.839529][ T5615] dump_stack+0x15/0x17 [ 449.843665][ T5615] should_fail+0x3c0/0x510 [ 449.848055][ T5615] ? __kernfs_new_node+0x99/0x6e0 [ 449.853053][ T5615] __should_failslab+0x9f/0xe0 [ 449.857803][ T5615] should_failslab+0x9/0x20 [ 449.862279][ T5615] __kmalloc_track_caller+0x5f/0x350 [ 449.867536][ T5615] kstrdup_const+0x55/0x90 [ 449.871938][ T5615] __kernfs_new_node+0x99/0x6e0 [ 449.876763][ T5615] ? stack_trace_save+0x1f0/0x1f0 [ 449.881758][ T5615] ? kernfs_new_node+0x170/0x170 [ 449.886665][ T5615] ? ptr_to_hashval+0x60/0x60 [ 449.891313][ T5615] ? snprintf+0xd6/0x120 [ 449.895526][ T5615] kernfs_new_node+0x97/0x170 [ 449.900173][ T5615] __kernfs_create_file+0x4a/0x270 [ 449.905265][ T5615] cgroup_addrm_files+0xab8/0xfe0 [ 449.910261][ T5615] ? cgroup_apply_control_enable+0x734/0x12e0 [ 449.916296][ T5615] ? cgroup_apply_control+0x93/0x710 [ 449.921549][ T5615] ? cgroup_subtree_control_write+0xd19/0x1310 [ 449.927671][ T5615] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 449.933805][ T5615] ? delete_node+0x759/0x7b0 [ 449.938369][ T5615] ? __kasan_check_read+0x11/0x20 [ 449.943371][ T5615] ? delete_node+0x759/0x7b0 [ 449.947931][ T5615] ? __kasan_check_write+0x14/0x20 [ 449.953012][ T5615] ? __radix_tree_replace+0x246/0x2e0 [ 449.958356][ T5615] ? idr_get_next+0x4b0/0x4b0 [ 449.963004][ T5615] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 449.967997][ T5615] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 449.973164][ T5615] css_populate_dir+0x137/0x370 [ 449.977985][ T5615] cgroup_apply_control_enable+0x629/0x12e0 [ 449.983849][ T5615] cgroup_apply_control+0x93/0x710 [ 449.989016][ T5615] ? css_next_child+0x160/0x160 [ 449.993834][ T5615] ? stack_trace_save+0x12d/0x1f0 [ 449.998828][ T5615] ? io_schedule+0x120/0x120 [ 450.003387][ T5615] ? kernfs_fop_write_iter+0x15e/0x410 [ 450.008830][ T5615] ? __kasan_check_write+0x14/0x20 [ 450.013924][ T5615] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 450.019179][ T5615] cgroup_subtree_control_write+0xd19/0x1310 [ 450.025144][ T5615] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 450.031106][ T5615] ? __kasan_check_write+0x14/0x20 [ 450.036188][ T5615] ? _copy_from_iter+0x3fb/0xd60 [ 450.041095][ T5615] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 450.047044][ T5615] cgroup_file_write+0x28e/0x590 [ 450.051962][ T5615] ? cgroup_seqfile_stop+0xc0/0xc0 [ 450.057062][ T5615] ? mutex_lock+0xa6/0x110 [ 450.061461][ T5615] ? mutex_trylock+0xb0/0xb0 [ 450.066024][ T5615] ? __kasan_check_write+0x14/0x20 [ 450.071107][ T5615] kernfs_fop_write_iter+0x2d0/0x410 [ 450.076364][ T5615] ? cgroup_seqfile_stop+0xc0/0xc0 [ 450.081460][ T5615] vfs_write+0xc1c/0xf40 [ 450.085681][ T5615] ? slab_free_freelist_hook+0xcc/0x1a0 [ 450.091200][ T5615] ? kernel_write+0x3c0/0x3c0 [ 450.095861][ T5615] ? do_sys_openat2+0x397/0x470 [ 450.100683][ T5615] ? __kasan_check_read+0x11/0x20 [ 450.105677][ T5615] ? __fdget_pos+0x27e/0x310 [ 450.110239][ T5615] ksys_write+0x198/0x2c0 [ 450.114553][ T5615] ? __ia32_sys_read+0x90/0x90 [ 450.119291][ T5615] ? debug_smp_processor_id+0x17/0x20 [ 450.124633][ T5615] __x64_sys_write+0x7b/0x90 [ 450.129194][ T5615] do_syscall_64+0x34/0x70 [ 450.133583][ T5615] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 450.139448][ T5615] RIP: 0033:0x7f20e245dc09 [ 450.143840][ T5615] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 450.163415][ T5615] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 450.171801][ T5615] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 450.179746][ T5615] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 450.187690][ T5615] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 450.195641][ T5615] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 450.203596][ T5615] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 000000000000000a [ 450.211839][ T5615] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 450.218958][ T5615] !!!! control_disable control_disable ss name cpu [ 450.225568][ T5615] !!!! control_disable control_disable ss name memory [ 450.232357][ T5615] !!!! control_disable control_disable ss name pids [ 450.239108][ T5615] !!!! control_disable kill_css(ffff88811370ac00) [ 450.245782][ T5615] !!!! control_disable control_disable ss name cpu [ 450.252294][ T5615] !!!! control_disable control_disable ss name memory [ 450.259349][ T5615] !!!! control_disable control_disable ss name pids [ 450.266058][ T5615] !!!! control_disable kill_css(ffff88811370b800) [ 450.272593][ T5615] !!!! control_disable control_disable ss name cpu [ 450.279099][ C1] !!!! css_killed_ref_fn enqueue(ffff88811370ac00) [ 450.285714][ T5615] !!!! control_disable control_disable ss name memory [ 450.292455][ T5615] !!!! control_disable control_disable ss name pids [ 450.299070][ T5615] !!!! control_disable kill_css(ffff888113709400) [ 450.305597][ C1] !!!! css_killed_ref_fn enqueue(ffff88811370b800) [ 450.312203][ T5615] !!!! control_disable control_disable ss name cpu [ 450.318747][ T5615] !!!! control_disable control_disable ss name memory [ 450.325514][ T5615] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 450.331995][ T5615] !!!! control_disable control_disable ss name memory [ 450.338770][ T5615] !!!! control_disable control_disable ss name cpu [ 450.345293][ T5615] !!!! control_disable control_disable ss name memory [ 450.352200][ T5615] !!!! control_disable control_disable ss name cpu [ 450.358712][ T5615] !!!! control_disable control_disable ss name memory [ 450.365482][ T5615] !!!! control_disable control_disable ss name pids [ 450.372142][ T5615] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 450.378710][ T5529] !!!! css_killed_work_fn css_put(ffff88811370ac00) [ 450.385504][ T5529] !!!! css_release enqueue(ffff88811370ac00) [ 450.391579][ T5529] !!!! css_killed_work_fn css_put(ffff88811370b800) [ 450.398256][ C1] !!!! css_killed_ref_fn enqueue(ffff888113709400) [ 450.404842][ T5529] !!!! css_release enqueue(ffff88811370b800) [ 450.411161][ T5529] !!!! css_killed_work_fn css_put(ffff888113709400) [ 450.417918][ T5529] !!!! css_release enqueue(ffff888113709400) [ 450.424015][ T5622] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 450.424030][ T5623] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 450.430830][ T5622] !!!! css_create css ffff88811252ac00 !!!! [ 450.443105][ T5622] !!!! css_create css ffff88811252b800 !!!! [ 450.449053][ T5622] !!!! css_create css ffff888112529400 !!!! [ 450.455014][ T5622] FAULT_INJECTION: forcing a failure. [ 450.455014][ T5622] name failslab, interval 1, probability 0, space 0, times 0 [ 450.467735][ T5622] CPU: 1 PID: 5622 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 450.479428][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 450.489464][ T5622] Call Trace: [ 450.492740][ T5622] dump_stack_lvl+0x1e2/0x24b [ 450.497407][ T5622] ? bfq_pos_tree_add_move+0x43e/0x43e [ 450.502846][ T5622] dump_stack+0x15/0x17 [ 450.507001][ T5622] should_fail+0x3c0/0x510 [ 450.511392][ T5622] ? __kernfs_new_node+0x99/0x6e0 [ 450.516418][ T5622] __should_failslab+0x9f/0xe0 [ 450.521160][ T5622] should_failslab+0x9/0x20 [ 450.525646][ T5622] __kmalloc_track_caller+0x5f/0x350 [ 450.530908][ T5622] kstrdup_const+0x55/0x90 [ 450.535299][ T5622] __kernfs_new_node+0x99/0x6e0 [ 450.540126][ T5622] ? stack_trace_save+0x1f0/0x1f0 [ 450.545124][ T5622] ? kernfs_new_node+0x170/0x170 [ 450.550039][ T5622] ? ptr_to_hashval+0x60/0x60 [ 450.554725][ T5622] ? snprintf+0xd6/0x120 [ 450.558955][ T5622] kernfs_new_node+0x97/0x170 [ 450.563620][ T5622] __kernfs_create_file+0x4a/0x270 [ 450.568708][ T5622] cgroup_addrm_files+0xab8/0xfe0 [ 450.573716][ T5622] ? cgroup_apply_control_enable+0x734/0x12e0 [ 450.579761][ T5622] ? cgroup_apply_control+0x93/0x710 [ 450.585021][ T5622] ? cgroup_subtree_control_write+0xd19/0x1310 [ 450.591152][ T5622] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 450.597287][ T5622] ? delete_node+0x759/0x7b0 [ 450.601870][ T5622] ? __kasan_check_read+0x11/0x20 [ 450.606869][ T5622] ? delete_node+0x759/0x7b0 [ 450.611432][ T5622] ? __kasan_check_write+0x14/0x20 [ 450.616516][ T5622] ? __radix_tree_replace+0x246/0x2e0 [ 450.621876][ T5622] ? idr_get_next+0x4b0/0x4b0 [ 450.626527][ T5622] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 450.631525][ T5622] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 450.636703][ T5622] css_populate_dir+0x137/0x370 [ 450.641539][ T5622] cgroup_apply_control_enable+0x629/0x12e0 [ 450.647420][ T5622] cgroup_apply_control+0x93/0x710 [ 450.652520][ T5622] ? css_next_child+0x160/0x160 [ 450.657366][ T5622] ? stack_trace_save+0x12d/0x1f0 [ 450.662369][ T5622] ? io_schedule+0x120/0x120 [ 450.666933][ T5622] ? kernfs_fop_write_iter+0x15e/0x410 [ 450.672377][ T5622] ? __kasan_check_write+0x14/0x20 [ 450.677468][ T5622] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 450.682741][ T5622] cgroup_subtree_control_write+0xd19/0x1310 [ 450.688709][ T5622] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 450.694666][ T5622] ? __kasan_check_write+0x14/0x20 [ 450.699749][ T5622] ? _copy_from_iter+0x3fb/0xd60 [ 450.704757][ T5622] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 450.710710][ T5622] cgroup_file_write+0x28e/0x590 [ 450.715619][ T5622] ? cgroup_seqfile_stop+0xc0/0xc0 [ 450.720702][ T5622] ? mutex_lock+0xa6/0x110 [ 450.725089][ T5622] ? mutex_trylock+0xb0/0xb0 [ 450.729672][ T5622] ? __kasan_check_write+0x14/0x20 [ 450.734769][ T5622] kernfs_fop_write_iter+0x2d0/0x410 [ 450.740024][ T5622] ? cgroup_seqfile_stop+0xc0/0xc0 [ 450.745120][ T5622] vfs_write+0xc1c/0xf40 [ 450.749334][ T5622] ? slab_free_freelist_hook+0xcc/0x1a0 [ 450.754855][ T5622] ? kernel_write+0x3c0/0x3c0 [ 450.759508][ T5622] ? do_sys_openat2+0x397/0x470 [ 450.764330][ T5622] ? __kasan_check_read+0x11/0x20 [ 450.769327][ T5622] ? __fdget_pos+0x27e/0x310 [ 450.773889][ T5622] ksys_write+0x198/0x2c0 [ 450.778204][ T5622] ? __ia32_sys_read+0x90/0x90 [ 450.782939][ T5622] ? debug_smp_processor_id+0x17/0x20 [ 450.788284][ T5622] __x64_sys_write+0x7b/0x90 [ 450.792855][ T5622] do_syscall_64+0x34/0x70 [ 450.797248][ T5622] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 450.803118][ T5622] RIP: 0033:0x7f20e245dc09 [ 450.807508][ T5622] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 450.827099][ T5622] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 450.835498][ T5622] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 450.843444][ T5622] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 450.851391][ T5622] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 450.859353][ T5622] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 450.867297][ T5622] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 000000000000000a [ 450.875757][ T5622] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 450.882846][ T5622] !!!! control_disable control_disable ss name cpu [ 450.889401][ T5622] !!!! control_disable control_disable ss name memory [ 450.896219][ T5622] !!!! control_disable control_disable ss name pids [ 450.902836][ T5622] !!!! control_disable kill_css(ffff88811252ac00) [ 450.909528][ T5622] !!!! control_disable control_disable ss name cpu [ 450.916176][ T5622] !!!! control_disable control_disable ss name memory [ 450.922960][ T5622] !!!! control_disable control_disable ss name pids [ 450.929682][ T5622] !!!! control_disable kill_css(ffff88811252b800) [ 450.936181][ C0] !!!! css_killed_ref_fn enqueue(ffff88811252ac00) [ 450.942805][ T5622] !!!! control_disable control_disable ss name cpu [ 450.949333][ T5622] !!!! control_disable control_disable ss name memory [ 450.956099][ T5622] !!!! control_disable control_disable ss name pids [ 450.962676][ T5622] !!!! control_disable kill_css(ffff888112529400) [ 450.969186][ T5622] !!!! control_disable control_disable ss name cpu [ 450.975686][ T5622] !!!! control_disable control_disable ss name memory [ 450.982425][ T5622] !!!! control_disable control_disable ss name cpu [ 450.988946][ T5622] !!!! control_disable control_disable ss name memory [ 450.995715][ T5622] !!!! control_disable control_disable ss name cpu [ 451.002193][ T5622] !!!! control_disable control_disable ss name memory [ 451.008953][ T5622] !!!! control_disable control_disable ss name cpu [ 451.015445][ T5622] !!!! control_disable control_disable ss name memory [ 451.022279][ T5622] !!!! control_disable control_disable ss name pids [ 451.028877][ T5622] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 451.035413][ T5533] !!!! css_killed_work_fn css_put(ffff88811252ac00) [ 451.042160][ T5533] !!!! css_release enqueue(ffff88811252ac00) [ 451.048450][ C0] !!!! css_killed_ref_fn enqueue(ffff88811252b800) [ 451.055091][ C0] !!!! css_killed_ref_fn enqueue(ffff888112529400) [ 451.061717][ T5533] !!!! css_killed_work_fn css_put(ffff88811252b800) [ 451.068418][ T5533] !!!! css_release enqueue(ffff88811252b800) [ 451.074483][ T5533] !!!! css_killed_work_fn css_put(ffff888112529400) [ 451.081166][ T5533] !!!! css_release enqueue(ffff888112529400) [ 451.087274][ T5620] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 451.087301][ T5619] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 451.094001][ T5620] !!!! css_create css ffff88810ed24c00 !!!! [ 451.106247][ T5620] !!!! css_create css ffff88810ed27400 !!!! [ 451.112153][ T5620] !!!! css_create css ffff88810ed24000 !!!! [ 451.118858][ T5620] FAULT_INJECTION: forcing a failure. [ 451.118858][ T5620] name failslab, interval 1, probability 0, space 0, times 0 [ 451.131473][ T5620] CPU: 1 PID: 5620 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 451.143170][ T5620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 451.153209][ T5620] Call Trace: [ 451.156491][ T5620] dump_stack_lvl+0x1e2/0x24b [ 451.161148][ T5620] ? bfq_pos_tree_add_move+0x43e/0x43e [ 451.166581][ T5620] ? find_next_bit+0xd6/0x120 [ 451.171243][ T5620] ? cpumask_next+0x11/0x30 [ 451.175721][ T5620] dump_stack+0x15/0x17 [ 451.179850][ T5620] should_fail+0x3c0/0x510 [ 451.184253][ T5620] ? percpu_ref_init+0xd0/0x330 [ 451.189087][ T5620] __should_failslab+0x9f/0xe0 [ 451.193824][ T5620] should_failslab+0x9/0x20 [ 451.198299][ T5620] kmem_cache_alloc_trace+0x3a/0x330 [ 451.203573][ T5620] percpu_ref_init+0xd0/0x330 [ 451.208227][ T5620] ? cgroup_setup_root+0xea0/0xea0 [ 451.213316][ T5620] cgroup_apply_control_enable+0x734/0x12e0 [ 451.219213][ T5620] cgroup_apply_control+0x93/0x710 [ 451.224303][ T5620] ? css_next_child+0x160/0x160 [ 451.229158][ T5620] ? stack_trace_save+0x12d/0x1f0 [ 451.234166][ T5620] ? io_schedule+0x120/0x120 [ 451.238768][ T5620] ? kernfs_fop_write_iter+0x15e/0x410 [ 451.244212][ T5620] ? __kasan_check_write+0x14/0x20 [ 451.249297][ T5620] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 451.254570][ T5620] cgroup_subtree_control_write+0xd19/0x1310 [ 451.260529][ T5620] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 451.266490][ T5620] ? __kasan_check_write+0x14/0x20 [ 451.271583][ T5620] ? _copy_from_iter+0x3fb/0xd60 [ 451.276504][ T5620] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 451.282463][ T5620] cgroup_file_write+0x28e/0x590 [ 451.287383][ T5620] ? cgroup_seqfile_stop+0xc0/0xc0 [ 451.292478][ T5620] ? mutex_lock+0xa6/0x110 [ 451.296881][ T5620] ? mutex_trylock+0xb0/0xb0 [ 451.301447][ T5620] ? __kasan_check_write+0x14/0x20 [ 451.306536][ T5620] kernfs_fop_write_iter+0x2d0/0x410 [ 451.311798][ T5620] ? cgroup_seqfile_stop+0xc0/0xc0 [ 451.316885][ T5620] vfs_write+0xc1c/0xf40 [ 451.321110][ T5620] ? slab_free_freelist_hook+0xcc/0x1a0 [ 451.326632][ T5620] ? kernel_write+0x3c0/0x3c0 [ 451.331298][ T5620] ? do_sys_openat2+0x397/0x470 [ 451.336125][ T5620] ? __kasan_check_read+0x11/0x20 [ 451.341139][ T5620] ? __fdget_pos+0x27e/0x310 [ 451.345790][ T5620] ksys_write+0x198/0x2c0 [ 451.350205][ T5620] ? __ia32_sys_read+0x90/0x90 [ 451.354948][ T5620] ? debug_smp_processor_id+0x17/0x20 [ 451.360308][ T5620] __x64_sys_write+0x7b/0x90 [ 451.364884][ T5620] do_syscall_64+0x34/0x70 [ 451.369284][ T5620] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 451.375273][ T5620] RIP: 0033:0x7f20e245dc09 [ 451.379676][ T5620] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 451.399272][ T5620] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 451.407669][ T5620] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 451.415619][ T5620] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 451.423570][ T5620] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 451.431521][ T5620] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 451.439471][ T5620] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 000000000000000b [ 451.447636][ T5620] !!!! css_create rcu_enqueue(ffff88810ed24000) !!!! [ 451.454393][ T5620] !!!! control_disable control_disable ss name cpu [ 451.460968][ T5620] !!!! control_disable control_disable ss name memory [ 451.467787][ T5620] !!!! control_disable control_disable ss name pids [ 451.474392][ T5620] !!!! control_disable kill_css(ffff88810ed24c00) [ 451.481004][ T5620] !!!! control_disable control_disable ss name cpu [ 451.487559][ T5620] !!!! control_disable control_disable ss name memory [ 451.494341][ T5620] !!!! control_disable control_disable ss name pids [ 451.501096][ T5620] !!!! control_disable kill_css(ffff88810ed27400) [ 451.507833][ T5620] !!!! control_disable control_disable ss name cpu [ 451.514335][ T5620] !!!! control_disable control_disable ss name memory [ 451.514896][ C1] !!!! css_killed_ref_fn enqueue(ffff88810ed24c00) [ 451.521311][ T5620] !!!! control_disable control_disable ss name cpu [ 451.534154][ T5620] !!!! control_disable control_disable ss name memory [ 451.540980][ T5620] !!!! control_disable control_disable ss name cpu [ 451.547592][ T5620] !!!! control_disable control_disable ss name memory [ 451.554366][ T5620] !!!! control_disable control_disable ss name cpu [ 451.560905][ T5620] !!!! control_disable control_disable ss name memory [ 451.561119][ C0] !!!! css_killed_ref_fn enqueue(ffff88810ed27400) [ 451.567740][ T5620] !!!! control_disable control_disable ss name cpu [ 451.580789][ T5620] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 451.587578][ T5620] !!!! control_disable control_disable ss name pids [ 451.594156][ T5620] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 451.594259][ T5533] !!!! css_killed_work_fn css_put(ffff88810ed27400) [ 451.607498][ T5533] !!!! css_release enqueue(ffff88810ed27400) [ 451.613637][ T5529] !!!! css_killed_work_fn css_put(ffff88810ed24c00) [ 451.620373][ T5529] !!!! css_release enqueue(ffff88810ed24c00) [ 451.626576][ T5623] !!!! css_create css ffff888111330c00 !!!! [ 451.632578][ T5623] !!!! css_create css ffff888111333400 !!!! [ 451.638632][ T5623] !!!! css_create css ffff888111331800 !!!! [ 451.644559][ T5623] FAULT_INJECTION: forcing a failure. [ 451.644559][ T5623] name failslab, interval 1, probability 0, space 0, times 0 [ 451.657308][ T5623] CPU: 0 PID: 5623 Comm: syz-executor289 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 451.668993][ T5623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 451.679036][ T5623] Call Trace: [ 451.682302][ T5623] dump_stack_lvl+0x1e2/0x24b [ 451.686953][ T5623] ? bfq_pos_tree_add_move+0x43e/0x43e [ 451.692382][ T5623] dump_stack+0x15/0x17 [ 451.696544][ T5623] should_fail+0x3c0/0x510 [ 451.700933][ T5623] ? __kernfs_new_node+0x99/0x6e0 [ 451.705948][ T5623] __should_failslab+0x9f/0xe0 [ 451.710686][ T5623] should_failslab+0x9/0x20 [ 451.715162][ T5623] __kmalloc_track_caller+0x5f/0x350 [ 451.720421][ T5623] kstrdup_const+0x55/0x90 [ 451.724828][ T5623] __kernfs_new_node+0x99/0x6e0 [ 451.729665][ T5623] ? stack_trace_save+0x1f0/0x1f0 [ 451.734683][ T5623] ? kernfs_new_node+0x170/0x170 [ 451.739594][ T5623] ? ptr_to_hashval+0x60/0x60 [ 451.744242][ T5623] ? snprintf+0xd6/0x120 [ 451.748456][ T5623] kernfs_new_node+0x97/0x170 [ 451.753106][ T5623] __kernfs_create_file+0x4a/0x270 [ 451.758205][ T5623] cgroup_addrm_files+0xab8/0xfe0 [ 451.763203][ T5623] ? cgroup_apply_control_enable+0x734/0x12e0 [ 451.769240][ T5623] ? cgroup_apply_control+0x93/0x710 [ 451.774495][ T5623] ? cgroup_subtree_control_write+0xd19/0x1310 [ 451.780620][ T5623] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 451.786746][ T5623] ? delete_node+0x759/0x7b0 [ 451.791310][ T5623] ? __kasan_check_read+0x11/0x20 [ 451.796314][ T5623] ? delete_node+0x759/0x7b0 [ 451.800882][ T5623] ? __kasan_check_write+0x14/0x20 [ 451.805974][ T5623] ? __radix_tree_replace+0x246/0x2e0 [ 451.811324][ T5623] ? idr_get_next+0x4b0/0x4b0 [ 451.815988][ T5623] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 451.821000][ T5623] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 451.826260][ T5623] css_populate_dir+0x137/0x370 [ 451.831098][ T5623] cgroup_apply_control_enable+0x629/0x12e0 [ 451.836971][ T5623] cgroup_apply_control+0x93/0x710 [ 451.842068][ T5623] ? css_next_child+0x160/0x160 [ 451.846893][ T5623] ? stack_trace_save+0x12d/0x1f0 [ 451.851890][ T5623] ? io_schedule+0x120/0x120 [ 451.856453][ T5623] ? kernfs_fop_write_iter+0x15e/0x410 [ 451.861889][ T5623] ? __kasan_check_write+0x14/0x20 [ 451.866988][ T5623] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 451.872245][ T5623] cgroup_subtree_control_write+0xd19/0x1310 [ 451.878297][ T5623] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 451.884265][ T5623] ? __kasan_check_write+0x14/0x20 [ 451.889349][ T5623] ? _copy_from_iter+0x3fb/0xd60 [ 451.894259][ T5623] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 451.900213][ T5623] cgroup_file_write+0x28e/0x590 [ 451.905122][ T5623] ? cgroup_seqfile_stop+0xc0/0xc0 [ 451.910220][ T5623] ? mutex_lock+0xa6/0x110 [ 451.914612][ T5623] ? mutex_trylock+0xb0/0xb0 [ 451.919178][ T5623] ? __kasan_check_write+0x14/0x20 [ 451.924267][ T5623] kernfs_fop_write_iter+0x2d0/0x410 [ 451.929534][ T5623] ? cgroup_seqfile_stop+0xc0/0xc0 [ 451.934633][ T5623] vfs_write+0xc1c/0xf40 [ 451.938849][ T5623] ? slab_free_freelist_hook+0xcc/0x1a0 [ 451.944372][ T5623] ? kernel_write+0x3c0/0x3c0 [ 451.949021][ T5623] ? do_sys_openat2+0x397/0x470 [ 451.953857][ T5623] ? __kasan_check_read+0x11/0x20 [ 451.958855][ T5623] ? __fdget_pos+0x27e/0x310 [ 451.963423][ T5623] ksys_write+0x198/0x2c0 [ 451.967750][ T5623] ? __ia32_sys_read+0x90/0x90 [ 451.972490][ T5623] ? debug_smp_processor_id+0x17/0x20 [ 451.977929][ T5623] __x64_sys_write+0x7b/0x90 [ 451.982506][ T5623] do_syscall_64+0x34/0x70 [ 451.986907][ T5623] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 451.992777][ T5623] RIP: 0033:0x7f20e245dc09 [ 451.997172][ T5623] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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 [ 452.016876][ T5623] RSP: 002b:00007fff8aece6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 452.025263][ T5623] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20e245dc09 [ 452.033230][ T5623] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 452.041186][ T5623] RBP: 00007fff8aece720 R08: 0000000000000002 R09: 00007fff8aece730 [ 452.049133][ T5623] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 452.057078][ T5623] R13: 00007fff8aece740 R14: 00007fff8aece780 R15: 000000000000000c [ 452.065771][ T5623] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 452.072862][ T5623] !!!! control_disable control_disable ss name cpu [ 452.079428][ T5623] !!!! control_disable control_disable ss name memory [ 452.086245][ T5623] !!!! control_disable control_disable ss name pids [ 452.092855][ T5623] !!!! control_disable kill_css(ffff888111330c00) [ 452.099553][ T5623] !!!! control_disable control_disable ss name cpu [ 452.106178][ T5623] !!!! control_disable control_disable ss name memory [ 452.112958][ T5623] !!!! control_disable control_disable ss name pids [ 452.119722][ T5623] !!!! control_disable kill_css(ffff888111333400) [ 452.126224][ C0] !!!! css_killed_ref_fn enqueue(ffff888111330c00) [ 452.132848][ T5623] !!!! control_disable control_disable ss name cpu [ 452.139357][ T5623] !!!! control_disable control_disable ss name memory [ 452.146116][ T5623] !!!! control_disable control_disable ss name pids [ 452.152672][ T5623] !!!! control_disable kill_css(ffff888111331800) [ 452.159191][ T5623] !!!! control_disable control_disable ss name cpu [ 452.165697][ T5623] !!!! control_disable control_disable ss name memory [ 452.172441][ T5623] !!!! control_disable control_disable ss name cpu [ 452.178948][ T5623] !!!! control_disable control_disable ss name memory [ 452.185711][ T5623] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 452.192212][ T5623] !!!! control_disable control_disable ss name memory [ 452.198978][ T5623] !!!! control_disable control_disable ss name cpu [ 452.205478][ T5623] !!!! control_disable control_disable ss name memory [ 452.212220][ T5623] !!!! control_disable control_disable ss name pids [ 452.218857][ T5623] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 452.225390][ T5533] !!!! css_killed_work_fn css_put(ffff888111330c00) [ 452.232168][ T5533] !!!! css_release enqueue(ffff888111330c00) [ 452.238256][ C0] !!!! css_killed_ref_fn enqueue(ffff888111333400) [ 452.238270][ C0] !!!! css_release enqueue(ffff888111333400) [ 452.238280][ C0] list_add corruption. prev->next should be next (ffff8881f725c060), but was ffff888111333470. (prev=ffff888111333470). [ 452.238333][ C0] ------------[ cut here ]------------ [ 452.238337][ C0] kernel BUG at lib/list_debug.c:28! [ 452.238348][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 452.238356][ C0] CPU: 0 PID: 5533 Comm: kworker/0:8 Tainted: G W 5.10.110-syzkaller-00174-g092434b00326 #0 [ 452.238360][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 452.238370][ C0] Workqueue: cgroup_destroy css_killed_work_fn [ 452.238382][ C0] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 452.238388][ C0] Code: 48 c7 c7 80 da 43 85 4c 89 e6 4c 89 f1 31 c0 e8 8d 10 40 02 0f 0b 48 c7 c7 40 db 43 85 4c 89 f6 4c 89 e1 31 c0 e8 77 10 40 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49 [ 452.238392][ C0] RSP: 0018:ffffc90000007a00 EFLAGS: 00010046 [ 452.238398][ C0] RAX: 0000000000000075 RBX: ffff8881f725c068 RCX: 027a733cd613c700 [ 452.238402][ C0] RDX: 0000000080000102 RSI: 0000000080000102 RDI: 0000000000000000 [ 452.238407][ C0] RBP: ffffc90000007a28 R08: ffffffff8153b2f8 R09: ffffed103ee44e83 [ 452.238412][ C0] R10: ffffed103ee44e83 R11: 1ffff1103ee44e82 R12: ffff888111333470 [ 452.238416][ C0] R13: dffffc0000000000 R14: ffff8881f725c060 R15: ffff888111333470 [ 452.238421][ C0] FS: 0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 452.238426][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 452.238430][ C0] CR2: 00007f20e24c8130 CR3: 0000000005e0f000 CR4: 00000000003506b0 [ 452.238436][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 452.238440][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 452.238442][ C0] Call Trace: [ 452.238444][ C0] [ 452.238451][ C0] insert_work+0x107/0x330 [ 452.238457][ C0] __queue_work+0x971/0xd30 [ 452.238463][ C0] queue_work_on+0xf2/0x150 [ 452.238469][ C0] ? wq_worker_last_func+0x50/0x50 [ 452.238475][ C0] ? __alloc_reserved_percpu+0x30/0x30 [ 452.238482][ C0] css_release+0xc0/0xd0 [ 452.238489][ C0] percpu_ref_switch_to_atomic_rcu+0x5a2/0x5b0 [ 452.238495][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 452.238502][ C0] rcu_do_batch+0x4f8/0xbc0 [ 452.238508][ C0] ? local_bh_enable+0x20/0x20 [ 452.238513][ C0] ? note_gp_changes+0x158/0x260 [ 452.238518][ C0] ? clockevents_program_event+0x218/0x2d0 [ 452.238524][ C0] rcu_core+0x59b/0xe30 [ 452.238530][ C0] ? rcu_cpu_kthread_park+0x90/0x90 [ 452.238536][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 452.238542][ C0] ? sched_clock+0x3a/0x40 [ 452.238548][ C0] ? sched_clock_cpu+0x1b/0x3b0 [ 452.238553][ C0] ? irqtime_account_irq+0x76/0x270 [ 452.238558][ C0] rcu_core_si+0x9/0x10 [ 452.238565][ C0] __do_softirq+0x27e/0x596 [ 452.238571][ C0] asm_call_irq_on_stack+0xf/0x20 [ 452.238573][ C0] [ 452.238579][ C0] do_softirq_own_stack+0x60/0x80 [ 452.238585][ C0] __irq_exit_rcu+0x128/0x150 [ 452.238593][ C0] irq_exit_rcu+0x9/0x10 [ 452.238604][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 452.238615][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 452.238628][ C0] RIP: 0010:console_unlock+0xb5c/0xf20 [ 452.238638][ C0] Code: 85 db 4c 8d b4 24 60 01 00 00 0f 85 82 03 00 00 e8 49 6e 00 00 48 8b 44 24 30 48 89 84 24 90 00 00 00 ff b4 24 90 00 00 00 9d <48> 8b 44 24 38 42 80 3c 38 00 74 08 4c 89 f7 e8 40 d2 52 00 48 c7 [ 452.238644][ C0] RSP: 0018:ffffc90000e277c0 EFLAGS: 00000246 [ 452.238654][ C0] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff88811248bb40 [ 452.238661][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 452.238670][ C0] RBP: ffffc90000e27a50 R08: ffffffff8153ae3b R09: 0000000000000003 [ 452.238678][ C0] R10: fffff520001c4ee9 R11: 1ffff920001c4ee8 R12: ffffc90000e279c0 [ 452.238686][ C0] R13: 1ffffffff0c3add1 R14: ffffc90000e27920 R15: dffffc0000000000 [ 452.238697][ C0] ? console_unlock+0xb1b/0xf20 [ 452.238706][ C0] ? memcpy+0x56/0x70 [ 452.238712][ C0] ? __kasan_check_write+0x14/0x20 [ 452.238717][ C0] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 452.238723][ C0] ? vprintk_emit+0x640/0x640 [ 452.238728][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 452.238734][ C0] ? vsnprintf+0x1fa/0x1cd0 [ 452.238739][ C0] ? memcpy+0x56/0x70 [ 452.238744][ C0] ? vsnprintf+0x1bfd/0x1cd0 [ 452.238749][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 452.238756][ C0] ? resume_console+0x50/0x50 [ 452.238761][ C0] ? _raw_spin_lock+0xa3/0x1b0 [ 452.238767][ C0] ? __irq_work_queue_local+0x126/0x180 [ 452.238773][ C0] vprintk_emit+0x44b/0x640 [ 452.238779][ C0] ? log_output+0x4d0/0x4d0 [ 452.238784][ C0] ? log_output+0x4d0/0x4d0 [ 452.238791][ C0] ? autoremove_wake_function+0x37/0x120 [ 452.238797][ C0] vprintk_default+0x26/0x30 [ 452.238802][ C0] vprintk_func+0x19d/0x1e0 [ 452.238807][ C0] printk+0xcf/0x10f [ 452.238813][ C0] ? css_killed_work_fn+0x2fe/0x430 [ 452.238817][ C0] ? panic+0x7d7/0x7d7 [ 452.238824][ C0] css_release+0x2d/0xd0 [ 452.238829][ C0] css_killed_work_fn+0x3f8/0x430 [ 452.238834][ C0] process_one_work+0x726/0xc10 [ 452.238840][ C0] worker_thread+0xb27/0x1550 [ 452.238847][ C0] kthread+0x349/0x3d0 [ 452.238852][ C0] ? worker_clr_flags+0x180/0x180 [ 452.238857][ C0] ? kthread_blkcg+0xd0/0xd0 [ 452.238863][ C0] ret_from_fork+0x1f/0x30 [ 452.238866][ C0] Modules linked in: [ 452.238873][ C0] ---[ end trace f80e587012b1ba91 ]--- [ 452.238879][ C0] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 452.238884][ C0] Code: 48 c7 c7 80 da 43 85 4c 89 e6 4c 89 f1 31 c0 e8 8d 10 40 02 0f 0b 48 c7 c7 40 db 43 85 4c 89 f6 4c 89 e1 31 c0 e8 77 10 40 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49 [ 452.238888][ C0] RSP: 0018:ffffc90000007a00 EFLAGS: 00010046 [ 452.238893][ C0] RAX: 0000000000000075 RBX: ffff8881f725c068 RCX: 027a733cd613c700 [ 452.238897][ C0] RDX: 0000000080000102 RSI: 0000000080000102 RDI: 0000000000000000 [ 452.238901][ C0] RBP: ffffc90000007a28 R08: ffffffff8153b2f8 R09: ffffed103ee44e83 [ 452.238905][ C0] R10: ffffed103ee44e83 R11: 1ffff1103ee44e82 R12: ffff888111333470 [ 452.238909][ C0] R13: dffffc0000000000 R14: ffff8881f725c060 R15: ffff888111333470 [ 452.238914][ C0] FS: 0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 452.238918][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 452.238923][ C0] CR2: 00007f20e24c8130 CR3: 0000000005e0f000 CR4: 00000000003506b0 [ 452.238926][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 452.238930][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 452.238934][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 452.239126][ C0] Kernel Offset: disabled [ 452.898342][ C0] Rebooting in 86400 seconds..