[ 398.873316][ T6025] ? bfq_pos_tree_add_move+0x43e/0x43e [ 398.878784][ T6025] dump_stack+0x15/0x17 [ 398.883182][ T6025] should_fail+0x3c0/0x510 [ 398.887574][ T6025] ? __kernfs_new_node+0x99/0x6e0 [ 398.892572][ T6025] __should_failslab+0x9f/0xe0 [ 398.897309][ T6025] should_failslab+0x9/0x20 [ 398.901826][ T6025] __kmalloc_track_caller+0x5f/0x350 [ 398.907094][ T6025] kstrdup_const+0x55/0x90 [ 398.911500][ T6025] __kernfs_new_node+0x99/0x6e0 [ 398.916325][ T6025] ? stack_trace_save+0x1f0/0x1f0 [ 398.921582][ T6025] ? kernfs_new_node+0x170/0x170 [ 398.926673][ T6025] ? ptr_to_hashval+0x60/0x60 [ 398.931327][ T6025] ? snprintf+0xd6/0x120 [ 398.935549][ T6025] kernfs_new_node+0x97/0x170 [ 398.940290][ T6025] __kernfs_create_file+0x4a/0x270 [ 398.945478][ T6025] cgroup_addrm_files+0xab8/0xfe0 [ 398.950586][ T6025] ? cgroup_apply_control_enable+0x734/0x12e0 [ 398.956713][ T6025] ? cgroup_apply_control+0x93/0x710 [ 398.962059][ T6025] ? cgroup_subtree_control_write+0xd19/0x1310 [ 398.968199][ T6025] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 398.975172][ T6025] ? delete_node+0x759/0x7b0 [ 398.979751][ T6025] ? __kasan_check_read+0x11/0x20 [ 398.984832][ T6025] ? delete_node+0x759/0x7b0 [ 398.989391][ T6025] ? __kasan_check_write+0x14/0x20 [ 398.994473][ T6025] ? __radix_tree_replace+0x246/0x2e0 [ 399.000075][ T6025] ? idr_get_next+0x4b0/0x4b0 [ 399.004722][ T6025] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 399.009717][ T6025] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 399.015320][ T6025] css_populate_dir+0x137/0x370 [ 399.020142][ T6025] cgroup_apply_control_enable+0x629/0x12e0 [ 399.026016][ T6025] cgroup_apply_control+0x93/0x710 [ 399.031882][ T6025] ? css_next_child+0x160/0x160 [ 399.036789][ T6025] ? io_schedule+0x120/0x120 [ 399.041361][ T6025] ? kernfs_fop_write_iter+0x15e/0x410 [ 399.046803][ T6025] ? __kasan_check_write+0x14/0x20 [ 399.051973][ T6025] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 399.057233][ T6025] cgroup_subtree_control_write+0xd19/0x1310 [ 399.063276][ T6025] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 399.069230][ T6025] ? __kasan_check_write+0x14/0x20 [ 399.074675][ T6025] ? _copy_from_iter+0x3fb/0xd60 [ 399.079588][ T6025] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 399.085539][ T6025] cgroup_file_write+0x28e/0x590 [ 399.090537][ T6025] ? cgroup_seqfile_stop+0xc0/0xc0 [ 399.095624][ T6025] ? mutex_lock+0xa6/0x110 [ 399.100033][ T6025] ? mutex_trylock+0xb0/0xb0 [ 399.104600][ T6025] ? __kasan_check_write+0x14/0x20 [ 399.109946][ T6025] kernfs_fop_write_iter+0x2d0/0x410 [ 399.115380][ T6025] ? cgroup_seqfile_stop+0xc0/0xc0 [ 399.120463][ T6025] vfs_write+0xc1c/0xf40 [ 399.124680][ T6025] ? kernel_write+0x3c0/0x3c0 [ 399.129329][ T6025] ? mutex_trylock+0xb0/0xb0 [ 399.133905][ T6025] ? __fdget_pos+0x26d/0x310 [ 399.138479][ T6025] ? ksys_write+0x77/0x2c0 [ 399.142894][ T6025] ksys_write+0x198/0x2c0 [ 399.147210][ T6025] ? __ia32_sys_read+0x90/0x90 [ 399.152122][ T6025] ? debug_smp_processor_id+0x17/0x20 [ 399.157470][ T6025] __x64_sys_write+0x7b/0x90 [ 399.162035][ T6025] do_syscall_64+0x34/0x70 [ 399.166841][ T6025] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 399.172712][ T6025] RIP: 0033:0x7f9c4d4ba0e9 [ 399.177107][ T6025] 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 [ 399.196690][ T6025] RSP: 002b:00007f9c4d430168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 399.205091][ T6025] RAX: ffffffffffffffda RBX: 00007f9c4d5ccf60 RCX: 00007f9c4d4ba0e9 [ 399.213229][ T6025] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 399.221184][ T6025] RBP: 00007f9c4d4301d0 R08: 0000000000000000 R09: 0000000000000000 [ 399.229138][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 399.237087][ T6025] R13: 00007ffed5b81b4f R14: 00007f9c4d430300 R15: 0000000000022000 [ 399.246138][ T6025] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 399.253396][ T6025] !!!! control_disable control_disable ss name cpu [ 399.260029][ T6025] !!!! control_disable control_disable ss name memory [ 399.267204][ T6025] !!!! control_disable control_disable ss name pids [ 399.273836][ T6025] !!!! control_disable kill_css(ffff88810f1b8000) [ 399.284178][ T6025] !!!! control_disable control_disable ss name cpu [ 399.290763][ T6025] !!!! control_disable control_disable ss name memory [ 399.297610][ T6025] !!!! control_disable control_disable ss name pids [ 399.304501][ T6025] !!!! control_disable kill_css(ffff88811e434800) [ 399.311066][ T6025] !!!! control_disable control_disable ss name cpu [ 399.317622][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f1b8000) [ 399.324237][ T6025] !!!! control_disable control_disable ss name memory [ 399.330976][ T6025] !!!! control_disable control_disable ss name pids [ 399.337594][ T6025] !!!! control_disable kill_css(ffff88811e437000) [ 399.344093][ C0] !!!! css_killed_ref_fn enqueue(ffff88811e434800) [ 399.350678][ T6025] !!!! control_disable control_disable ss name cpu [ 399.357179][ T6025] !!!! control_disable control_disable ss name memory [ 399.363933][ T6025] !!!! control_disable control_disable ss name cpu [ 399.370401][ T6025] !!!! control_disable control_disable ss name memory [ 399.377155][ T6025] !!!! control_disable control_disable ss name cpu [ 399.383649][ T6025] !!!! control_disable control_disable ss name memory [ 399.390379][ T6025] !!!! control_disable control_disable ss name cpu [ 399.396879][ T6025] !!!! control_disable control_disable ss name memory [ 399.403636][ T6025] !!!! control_disable control_disable ss name pids [ 399.410206][ T6025] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 399.416734][ T372] !!!! css_killed_work_fn css_put(ffff88810f1b8000) [ 399.426516][ T372] !!!! css_killed_work_fn css_put(ffff88811e434800) [ 399.433216][ C0] !!!! css_killed_ref_fn enqueue(ffff88811e437000) [ 399.440053][ T372] !!!! css_killed_work_fn css_put(ffff88811e437000) [ 399.447358][ T6029] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 399.447541][ T6027] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 399.453909][ T6031] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 399.454025][ T6036] !!!! css_create css ffff88810f644800 !!!! [ 399.472951][ T6036] !!!! css_create css ffff88810f647000 !!!! [ 399.478897][ T6036] !!!! css_create css ffff88810f646000 !!!! [ 399.484832][ T6036] FAULT_INJECTION: forcing a failure. [ 399.484832][ T6036] name failslab, interval 1, probability 0, space 0, times 0 [ 399.497450][ T6036] CPU: 0 PID: 6036 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 399.509141][ T6036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.519166][ T6036] Call Trace: [ 399.522435][ T6036] dump_stack_lvl+0x1e2/0x24b [ 399.527085][ T6036] ? bfq_pos_tree_add_move+0x43e/0x43e [ 399.532510][ T6036] dump_stack+0x15/0x17 [ 399.536634][ T6036] should_fail+0x3c0/0x510 [ 399.541024][ T6036] ? __kernfs_new_node+0x99/0x6e0 [ 399.546018][ T6036] __should_failslab+0x9f/0xe0 [ 399.550835][ T6036] should_failslab+0x9/0x20 [ 399.555307][ T6036] __kmalloc_track_caller+0x5f/0x350 [ 399.560560][ T6036] kstrdup_const+0x55/0x90 [ 399.564947][ T6036] __kernfs_new_node+0x99/0x6e0 [ 399.569764][ T6036] ? stack_trace_save+0x1f0/0x1f0 [ 399.574755][ T6036] ? kernfs_new_node+0x170/0x170 [ 399.579659][ T6036] ? ptr_to_hashval+0x60/0x60 [ 399.584411][ T6036] ? snprintf+0xd6/0x120 [ 399.588618][ T6036] kernfs_new_node+0x97/0x170 [ 399.593260][ T6036] __kernfs_create_file+0x4a/0x270 [ 399.598346][ T6036] cgroup_addrm_files+0xab8/0xfe0 [ 399.603424][ T6036] ? cgroup_apply_control_enable+0x734/0x12e0 [ 399.609456][ T6036] ? cgroup_apply_control+0x93/0x710 [ 399.614727][ T6036] ? cgroup_subtree_control_write+0xd19/0x1310 [ 399.621106][ T6036] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 399.627228][ T6036] ? delete_node+0x759/0x7b0 [ 399.631784][ T6036] ? __kasan_check_read+0x11/0x20 [ 399.636771][ T6036] ? delete_node+0x759/0x7b0 [ 399.641331][ T6036] ? __kasan_check_write+0x14/0x20 [ 399.646407][ T6036] ? __radix_tree_replace+0x246/0x2e0 [ 399.651767][ T6036] ? idr_get_next+0x4b0/0x4b0 [ 399.656408][ T6036] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 399.661415][ T6036] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 399.666594][ T6036] css_populate_dir+0x137/0x370 [ 399.671418][ T6036] cgroup_apply_control_enable+0x629/0x12e0 [ 399.677540][ T6036] cgroup_apply_control+0x93/0x710 [ 399.682709][ T6036] ? css_next_child+0x160/0x160 [ 399.687526][ T6036] ? io_schedule+0x120/0x120 [ 399.692083][ T6036] ? kernfs_fop_write_iter+0x15e/0x410 [ 399.697524][ T6036] ? __kasan_check_write+0x14/0x20 [ 399.702615][ T6036] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 399.707973][ T6036] cgroup_subtree_control_write+0xd19/0x1310 [ 399.713942][ T6036] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 399.719901][ T6036] ? __kasan_check_write+0x14/0x20 [ 399.725169][ T6036] ? _copy_from_iter+0x3fb/0xd60 [ 399.730080][ T6036] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 399.736028][ T6036] cgroup_file_write+0x28e/0x590 [ 399.740931][ T6036] ? cgroup_seqfile_stop+0xc0/0xc0 [ 399.746009][ T6036] ? mutex_lock+0xa6/0x110 [ 399.750393][ T6036] ? mutex_trylock+0xb0/0xb0 [ 399.754976][ T6036] ? __kasan_check_write+0x14/0x20 [ 399.760140][ T6036] kernfs_fop_write_iter+0x2d0/0x410 [ 399.765403][ T6036] ? cgroup_seqfile_stop+0xc0/0xc0 [ 399.770485][ T6036] vfs_write+0xc1c/0xf40 [ 399.774710][ T6036] ? kernel_write+0x3c0/0x3c0 [ 399.779353][ T6036] ? mutex_trylock+0xb0/0xb0 [ 399.783916][ T6036] ? __fdget_pos+0x26d/0x310 [ 399.788478][ T6036] ? ksys_write+0x77/0x2c0 [ 399.792863][ T6036] ksys_write+0x198/0x2c0 [ 399.797172][ T6036] ? __ia32_sys_read+0x90/0x90 [ 399.801910][ T6036] ? debug_smp_processor_id+0x17/0x20 [ 399.807250][ T6036] __x64_sys_write+0x7b/0x90 [ 399.811812][ T6036] do_syscall_64+0x34/0x70 [ 399.816629][ T6036] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 399.822579][ T6036] RIP: 0033:0x7efe3bc1c0e9 [ 399.827137][ T6036] 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 [ 399.846748][ T6036] RSP: 002b:00007efe3bb71168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 399.855141][ T6036] RAX: ffffffffffffffda RBX: 00007efe3bd2f030 RCX: 00007efe3bc1c0e9 [ 399.863097][ T6036] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 399.871057][ T6036] RBP: 00007efe3bb711d0 R08: 0000000000000000 R09: 0000000000000000 [ 399.879019][ T6036] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 399.887191][ T6036] R13: 00007fff7c84b3ff R14: 00007efe3bb71300 R15: 0000000000022000 [ 399.896238][ T6036] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 399.903376][ T6036] !!!! control_disable control_disable ss name cpu [ 399.910027][ T6036] !!!! control_disable control_disable ss name memory [ 399.917027][ T6036] !!!! control_disable control_disable ss name pids [ 399.924061][ T6036] !!!! control_disable kill_css(ffff88810f644800) [ 399.930682][ T6036] !!!! control_disable control_disable ss name cpu [ 399.937209][ T6036] !!!! control_disable control_disable ss name memory [ 399.944171][ T6036] !!!! control_disable control_disable ss name pids [ 399.950763][ T6036] !!!! control_disable kill_css(ffff88810f647000) [ 399.957417][ T6036] !!!! control_disable control_disable ss name cpu [ 399.964019][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f644800) [ 399.970686][ T6036] !!!! control_disable control_disable ss name memory [ 399.977613][ T6036] !!!! control_disable control_disable ss name pids [ 399.984229][ T6036] !!!! control_disable kill_css(ffff88810f646000) [ 399.990766][ T6036] !!!! control_disable control_disable ss name cpu [ 399.997430][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f647000) [ 400.004079][ T6036] !!!! control_disable control_disable ss name memory [ 400.011276][ T6036] !!!! control_disable control_disable ss name cpu [ 400.017907][ T6036] !!!! control_disable control_disable ss name memory [ 400.024674][ T6036] !!!! control_disable control_disable ss name cpu [ 400.031360][ T6036] !!!! control_disable control_disable ss name memory [ 400.038105][ T6036] !!!! control_disable control_disable ss name cpu [ 400.044605][ T6036] !!!! control_disable control_disable ss name memory [ 400.051359][ T6036] !!!! control_disable control_disable ss name pids [ 400.057955][ T6036] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 400.064464][ T372] !!!! css_killed_work_fn css_put(ffff88810f644800) [ 400.071177][ T372] !!!! css_killed_work_fn css_put(ffff88810f647000) [ 400.077947][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f646000) [ 400.084619][ T372] !!!! css_killed_work_fn css_put(ffff88810f646000) [ 400.091407][ T6037] !!!! css_create css ffff88810f644400 !!!! [ 400.097462][ T6037] !!!! css_create css ffff88810f646400 !!!! [ 400.103570][ T6037] !!!! css_create css ffff88810f020800 !!!! [ 400.109488][ T6037] FAULT_INJECTION: forcing a failure. [ 400.109488][ T6037] name failslab, interval 1, probability 0, space 0, times 0 [ 400.122368][ T6037] CPU: 0 PID: 6037 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 400.134066][ T6037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.144094][ T6037] Call Trace: [ 400.147404][ T6037] dump_stack_lvl+0x1e2/0x24b [ 400.152063][ T6037] ? bfq_pos_tree_add_move+0x43e/0x43e [ 400.157589][ T6037] dump_stack+0x15/0x17 [ 400.161818][ T6037] should_fail+0x3c0/0x510 [ 400.166308][ T6037] ? __kernfs_new_node+0x99/0x6e0 [ 400.171475][ T6037] __should_failslab+0x9f/0xe0 [ 400.176233][ T6037] should_failslab+0x9/0x20 [ 400.180704][ T6037] __kmalloc_track_caller+0x5f/0x350 [ 400.185964][ T6037] kstrdup_const+0x55/0x90 [ 400.190358][ T6037] __kernfs_new_node+0x99/0x6e0 [ 400.195176][ T6037] ? stack_trace_save+0x1f0/0x1f0 [ 400.200180][ T6037] ? kernfs_new_node+0x170/0x170 [ 400.205084][ T6037] ? ptr_to_hashval+0x60/0x60 [ 400.209736][ T6037] ? snprintf+0xd6/0x120 [ 400.213946][ T6037] kernfs_new_node+0x97/0x170 [ 400.218603][ T6037] __kernfs_create_file+0x4a/0x270 [ 400.223682][ T6037] cgroup_addrm_files+0xab8/0xfe0 [ 400.228689][ T6037] ? cgroup_apply_control_enable+0x734/0x12e0 [ 400.234825][ T6037] ? cgroup_apply_control+0x93/0x710 [ 400.240134][ T6037] ? cgroup_subtree_control_write+0xd19/0x1310 [ 400.246275][ T6037] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 400.252492][ T6037] ? delete_node+0x759/0x7b0 [ 400.257149][ T6037] ? __kasan_check_read+0x11/0x20 [ 400.262348][ T6037] ? delete_node+0x759/0x7b0 [ 400.266922][ T6037] ? __kasan_check_write+0x14/0x20 [ 400.272014][ T6037] ? __radix_tree_replace+0x246/0x2e0 [ 400.277365][ T6037] ? idr_get_next+0x4b0/0x4b0 [ 400.282013][ T6037] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 400.287003][ T6037] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 400.292196][ T6037] css_populate_dir+0x137/0x370 [ 400.297019][ T6037] cgroup_apply_control_enable+0x629/0x12e0 [ 400.302901][ T6037] cgroup_apply_control+0x93/0x710 [ 400.308175][ T6037] ? css_next_child+0x160/0x160 [ 400.313825][ T6037] ? io_schedule+0x120/0x120 [ 400.318384][ T6037] ? kernfs_fop_write_iter+0x15e/0x410 [ 400.323816][ T6037] ? __kasan_check_write+0x14/0x20 [ 400.328897][ T6037] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 400.334155][ T6037] cgroup_subtree_control_write+0xd19/0x1310 [ 400.340104][ T6037] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 400.346072][ T6037] ? __kasan_check_write+0x14/0x20 [ 400.351251][ T6037] ? _copy_from_iter+0x3fb/0xd60 [ 400.356166][ T6037] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 400.362115][ T6037] cgroup_file_write+0x28e/0x590 [ 400.367121][ T6037] ? cgroup_seqfile_stop+0xc0/0xc0 [ 400.372200][ T6037] ? mutex_lock+0xa6/0x110 [ 400.376587][ T6037] ? mutex_trylock+0xb0/0xb0 [ 400.381144][ T6037] ? __kasan_check_write+0x14/0x20 [ 400.386245][ T6037] kernfs_fop_write_iter+0x2d0/0x410 [ 400.391681][ T6037] ? cgroup_seqfile_stop+0xc0/0xc0 [ 400.397139][ T6037] vfs_write+0xc1c/0xf40 [ 400.401367][ T6037] ? kernel_write+0x3c0/0x3c0 [ 400.406024][ T6037] ? mutex_trylock+0xb0/0xb0 [ 400.410674][ T6037] ? __fdget_pos+0x26d/0x310 [ 400.415234][ T6037] ? ksys_write+0x77/0x2c0 [ 400.419649][ T6037] ksys_write+0x198/0x2c0 [ 400.424153][ T6037] ? __ia32_sys_read+0x90/0x90 [ 400.428907][ T6037] ? debug_smp_processor_id+0x17/0x20 [ 400.434272][ T6037] __x64_sys_write+0x7b/0x90 [ 400.439026][ T6037] do_syscall_64+0x34/0x70 [ 400.443422][ T6037] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 400.449291][ T6037] RIP: 0033:0x7f54e539d0e9 [ 400.453678][ T6037] 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 [ 400.473251][ T6037] RSP: 002b:00007f54e52f2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 400.481638][ T6037] RAX: ffffffffffffffda RBX: 00007f54e54b0030 RCX: 00007f54e539d0e9 [ 400.489668][ T6037] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 400.497623][ T6037] RBP: 00007f54e52f21d0 R08: 0000000000000000 R09: 0000000000000000 [ 400.505587][ T6037] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 400.513716][ T6037] R13: 00007ffd7eb282af R14: 00007f54e52f2300 R15: 0000000000022000 [ 400.522377][ T6037] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 400.529412][ T6037] !!!! control_disable control_disable ss name cpu [ 400.535923][ T6037] !!!! control_disable control_disable ss name memory [ 400.542693][ T6037] !!!! control_disable control_disable ss name pids [ 400.549343][ T6037] !!!! control_disable kill_css(ffff88810f644400) [ 400.555966][ T6037] !!!! control_disable control_disable ss name cpu [ 400.562808][ T6037] !!!! control_disable control_disable ss name memory [ 400.569623][ T6037] !!!! control_disable control_disable ss name pids [ 400.576298][ T6037] !!!! control_disable kill_css(ffff88810f646400) [ 400.582904][ T6037] !!!! control_disable control_disable ss name cpu [ 400.589373][ T6037] !!!! control_disable control_disable ss name memory [ 400.596308][ T6037] !!!! control_disable control_disable ss name pids [ 400.603158][ T6037] !!!! control_disable kill_css(ffff88810f020800) [ 400.609826][ T6037] !!!! control_disable control_disable ss name cpu [ 400.616371][ T6037] !!!! control_disable control_disable ss name memory [ 400.623135][ T6037] !!!! control_disable control_disable ss name cpu [ 400.629926][ T6037] !!!! control_disable control_disable ss name memory [ 400.636705][ T6037] !!!! control_disable control_disable ss name cpu [ 400.643470][ T6037] !!!! control_disable control_disable ss name memory [ 400.650203][ T6037] !!!! control_disable control_disable ss name cpu [ 400.656709][ T6037] !!!! control_disable control_disable ss name memory [ 400.663837][ T6037] !!!! control_disable control_disable ss name pids [ 400.670519][ T6037] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 400.677349][ C1] !!!! put_css_set_locked css_put(ffff88811088bc00) [ 400.684022][ C1] !!!! put_css_set_locked css_put(ffff88811f32d000) [ 400.690678][ C1] !!!! put_css_set_locked css_put(ffff888110359e00) [ 400.697510][ C1] !!!! put_css_set_locked css_put(ffff888110ae6000) [ 400.704716][ C1] !!!! put_css_set_locked css_put(ffff8881109b6000) [ 400.711362][ C1] !!!! put_css_set_locked css_put(ffff8881103e2200) [ 400.718099][ C1] !!!! put_css_set_locked css_put(ffff8881103e2400) [ 400.724744][ C1] !!!! put_css_set_locked css_put(ffff888100125800) [ 400.731485][ C1] !!!! put_css_set_locked cgroup_put(self ffff88811054a000) [ 400.739009][ C1] !!!! put_css_set_locked cgroup_put(self ffff88811055e000) [ 400.746437][ C1] !!!! put_css_set_locked cgroup_put(self ffff8881102f0000) [ 400.754209][ C1] !!!! put_css_set_locked css_put(ffff88811f33fc00) [ 400.761217][ C1] !!!! put_css_set_locked css_put(ffff88811f32de00) [ 400.761335][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f644400) [ 400.767866][ C1] !!!! put_css_set_locked css_put(ffff888104db6600) [ 400.774458][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f646400) [ 400.781077][ C1] !!!! put_css_set_locked css_put(ffff88811f33dc00) [ 400.787728][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f020800) [ 400.794355][ C1] !!!! put_css_set_locked css_put(ffff8881053ec000) [ 400.794359][ C1] !!!! put_css_set_locked css_put(ffff888104db6400) [ 400.794368][ C1] !!!! put_css_set_locked css_put(ffff888104db6200) [ 400.820923][ C1] !!!! put_css_set_locked css_put(ffff888100125800) [ 400.827578][ C1] !!!! put_css_set_locked cgroup_put(self ffff88810558c000) [ 400.834924][ C1] !!!! put_css_set_locked cgroup_put(self ffff88810013a000) [ 400.842266][ C1] !!!! put_css_set_locked cgroup_put(self ffff88810558a000) [ 400.849641][ T372] !!!! css_killed_work_fn css_put(ffff88810f644400) [ 400.850527][ C1] !!!! put_css_set_locked css_put(ffff88810fecfc00) [ 400.856456][ T373] !!!! css_killed_work_fn css_put(ffff88810f646400) [ 400.862974][ C1] !!!! put_css_set_locked css_put(ffff88810ecd0c00) [ 400.862979][ C1] !!!! put_css_set_locked css_put(ffff88811004fa00) [ 400.862982][ C1] !!!! put_css_set_locked css_put(ffff88811045b000) [ 400.862986][ C1] !!!! put_css_set_locked css_put(ffff88810fff2000) [ 400.862991][ C1] !!!! put_css_set_locked css_put(ffff88811035a000) [ 400.862995][ C1] !!!! put_css_set_locked css_put(ffff88811035be00) [ 400.862999][ C1] !!!! put_css_set_locked css_put(ffff888100125800) [ 400.863004][ C1] !!!! put_css_set_locked cgroup_put(self ffff88810fb5c000) [ 400.863026][ C1] !!!! put_css_set_locked cgroup_put(self ffff8881102f6000) [ 400.869705][ T373] !!!! css_killed_work_fn css_put(ffff88810f020800) [ 400.876310][ C1] !!!! put_css_set_locked cgroup_put(self ffff8881103b6000) [ 400.946184][ T6039] !!!! css_create css ffff88810fa28400 !!!! [ 400.952152][ T6039] !!!! css_create css ffff88810fa2bc00 !!!! [ 400.958046][ T6039] !!!! css_create css ffff88810fa2ac00 !!!! [ 400.964243][ T6039] FAULT_INJECTION: forcing a failure. [ 400.964243][ T6039] name failslab, interval 1, probability 0, space 0, times 0 [ 400.977237][ T6039] CPU: 1 PID: 6039 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 400.988856][ T6039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.998885][ T6039] Call Trace: [ 401.002150][ T6039] dump_stack_lvl+0x1e2/0x24b [ 401.006794][ T6039] ? bfq_pos_tree_add_move+0x43e/0x43e [ 401.012218][ T6039] dump_stack+0x15/0x17 [ 401.016339][ T6039] should_fail+0x3c0/0x510 [ 401.020728][ T6039] ? __kernfs_new_node+0x99/0x6e0 [ 401.025807][ T6039] __should_failslab+0x9f/0xe0 [ 401.030536][ T6039] should_failslab+0x9/0x20 [ 401.035020][ T6039] __kmalloc_track_caller+0x5f/0x350 [ 401.040280][ T6039] kstrdup_const+0x55/0x90 [ 401.044768][ T6039] __kernfs_new_node+0x99/0x6e0 [ 401.049584][ T6039] ? stack_trace_save+0x1f0/0x1f0 [ 401.054581][ T6039] ? kernfs_new_node+0x170/0x170 [ 401.059507][ T6039] ? ptr_to_hashval+0x60/0x60 [ 401.064154][ T6039] ? snprintf+0xd6/0x120 [ 401.068363][ T6039] kernfs_new_node+0x97/0x170 [ 401.073006][ T6039] __kernfs_create_file+0x4a/0x270 [ 401.078109][ T6039] cgroup_addrm_files+0xab8/0xfe0 [ 401.083108][ T6039] ? cgroup_apply_control_enable+0x734/0x12e0 [ 401.089192][ T6039] ? cgroup_apply_control+0x93/0x710 [ 401.094465][ T6039] ? cgroup_subtree_control_write+0xd19/0x1310 [ 401.100728][ T6039] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 401.106851][ T6039] ? delete_node+0x759/0x7b0 [ 401.111430][ T6039] ? __kasan_check_read+0x11/0x20 [ 401.116421][ T6039] ? delete_node+0x759/0x7b0 [ 401.120974][ T6039] ? __kasan_check_write+0x14/0x20 [ 401.126058][ T6039] ? __radix_tree_replace+0x246/0x2e0 [ 401.131403][ T6039] ? idr_get_next+0x4b0/0x4b0 [ 401.136045][ T6039] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 401.141035][ T6039] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 401.146205][ T6039] css_populate_dir+0x137/0x370 [ 401.151023][ T6039] cgroup_apply_control_enable+0x629/0x12e0 [ 401.156882][ T6039] cgroup_apply_control+0x93/0x710 [ 401.162048][ T6039] ? css_next_child+0x160/0x160 [ 401.166864][ T6039] ? set_next_entity+0xc5/0x390 [ 401.171689][ T6039] ? io_schedule+0x120/0x120 [ 401.176245][ T6039] ? kernfs_fop_write_iter+0x15e/0x410 [ 401.181670][ T6039] ? __kasan_check_write+0x14/0x20 [ 401.186941][ T6039] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 401.192253][ T6039] cgroup_subtree_control_write+0xd19/0x1310 [ 401.198209][ T6039] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 401.204170][ T6039] ? __kasan_check_write+0x14/0x20 [ 401.209256][ T6039] ? _copy_from_iter+0x3fb/0xd60 [ 401.214193][ T6039] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 401.220500][ T6039] cgroup_file_write+0x28e/0x590 [ 401.225426][ T6039] ? cgroup_seqfile_stop+0xc0/0xc0 [ 401.230861][ T6039] ? mutex_lock+0xa6/0x110 [ 401.235264][ T6039] ? mutex_trylock+0xb0/0xb0 [ 401.239972][ T6039] ? __kasan_check_write+0x14/0x20 [ 401.245058][ T6039] kernfs_fop_write_iter+0x2d0/0x410 [ 401.250318][ T6039] ? cgroup_seqfile_stop+0xc0/0xc0 [ 401.255398][ T6039] vfs_write+0xc1c/0xf40 [ 401.259606][ T6039] ? kernel_write+0x3c0/0x3c0 [ 401.264254][ T6039] ? mutex_trylock+0xb0/0xb0 [ 401.268812][ T6039] ? __fdget_pos+0x26d/0x310 [ 401.274060][ T6039] ? ksys_write+0x77/0x2c0 [ 401.278442][ T6039] ksys_write+0x198/0x2c0 [ 401.282741][ T6039] ? __ia32_sys_read+0x90/0x90 [ 401.287471][ T6039] ? debug_smp_processor_id+0x17/0x20 [ 401.292990][ T6039] __x64_sys_write+0x7b/0x90 [ 401.297548][ T6039] do_syscall_64+0x34/0x70 [ 401.301952][ T6039] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 401.307814][ T6039] RIP: 0033:0x7f65deda60e9 [ 401.312377][ T6039] 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 [ 401.331962][ T6039] RSP: 002b:00007f65decfb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 401.340357][ T6039] RAX: ffffffffffffffda RBX: 00007f65deeb9030 RCX: 00007f65deda60e9 [ 401.348299][ T6039] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 401.356242][ T6039] RBP: 00007f65decfb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 401.364270][ T6039] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 401.372306][ T6039] R13: 00007ffdcbaccddf R14: 00007f65decfb300 R15: 0000000000022000 [ 401.381145][ T6039] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 401.388323][ T6039] !!!! control_disable control_disable ss name cpu [ 401.395281][ T6039] !!!! control_disable control_disable ss name memory [ 401.402087][ T6039] !!!! control_disable control_disable ss name pids [ 401.408739][ T6039] !!!! control_disable kill_css(ffff88810fa28400) [ 401.415348][ T6039] !!!! control_disable control_disable ss name cpu [ 401.421856][ T6039] !!!! control_disable control_disable ss name memory [ 401.428606][ T6039] !!!! control_disable control_disable ss name pids [ 401.435201][ T6039] !!!! control_disable kill_css(ffff88810fa2bc00) [ 401.442111][ T6039] !!!! control_disable control_disable ss name cpu [ 401.448762][ T6039] !!!! control_disable control_disable ss name memory [ 401.455538][ T6039] !!!! control_disable control_disable ss name pids [ 401.462258][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fa28400) [ 401.468858][ T6039] !!!! control_disable kill_css(ffff88810fa2ac00) [ 401.475393][ T6039] !!!! control_disable control_disable ss name cpu [ 401.481400][ C1] !!!! put_css_set_locked css_put(ffff888110ae7800) [ 401.481907][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fa2bc00) [ 401.488539][ C1] !!!! put_css_set_locked css_put(ffff88811f32d800) [ 401.495159][ T6039] !!!! control_disable control_disable ss name memory [ 401.501925][ C1] !!!! put_css_set_locked css_put(ffff888110358800) [ 401.501930][ C1] !!!! put_css_set_locked css_put(ffff888110d30c00) [ 401.501934][ C1] !!!! put_css_set_locked css_put(ffff88811030c000) [ 401.501938][ C1] !!!! put_css_set_locked css_put(ffff8881102d6c00) [ 401.501942][ C1] !!!! put_css_set_locked css_put(ffff8881106ac600) [ 401.501946][ C1] !!!! put_css_set_locked css_put(ffff888100125800) [ 401.501951][ C1] !!!! put_css_set_locked cgroup_put(self ffff888110232000) [ 401.501963][ C1] !!!! put_css_set_locked cgroup_put(self ffff888110de0000) [ 401.508691][ T6039] !!!! control_disable control_disable ss name cpu [ 401.515334][ C1] !!!! put_css_set_locked cgroup_put(self ffff8881107ba000) [ 401.515442][ C1] !!!! put_css_set_locked css_put(ffff888110089800) [ 401.521999][ T6039] !!!! control_disable control_disable ss name memory [ 401.528637][ C1] !!!! put_css_set_locked css_put(ffff88811f32d200) [ 401.535286][ T6039] !!!! control_disable control_disable ss name cpu [ 401.541921][ C1] !!!! put_css_set_locked css_put(ffff8881100ce600) [ 401.541925][ C1] !!!! put_css_set_locked css_put(ffff8881102ea400) [ 401.541934][ C1] !!!! put_css_set_locked css_put(ffff888110230000) [ 401.548574][ T6039] !!!! control_disable control_disable ss name memory [ 401.555907][ C1] !!!! put_css_set_locked css_put(ffff88811004f600) [ 401.555912][ C1] !!!! put_css_set_locked css_put(ffff88811004f000) [ 401.555916][ C1] !!!! put_css_set_locked css_put(ffff888100125800) [ 401.555926][ C1] !!!! put_css_set_locked cgroup_put(self ffff88811001e000) [ 401.563277][ T6039] !!!! control_disable control_disable ss name cpu [ 401.569745][ C1] !!!! put_css_set_locked cgroup_put(self ffff888110234000) [ 401.577137][ T6039] !!!! control_disable control_disable ss name memory [ 401.583755][ C1] !!!! put_css_set_locked cgroup_put(self ffff888110236000) [ 401.685912][ T6039] !!!! control_disable control_disable ss name pids [ 401.692586][ T372] !!!! css_killed_work_fn css_put(ffff88810fa28400) [ 401.692799][ T6039] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 401.699251][ T373] !!!! css_killed_work_fn css_put(ffff88810fa2bc00) [ 401.705745][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fa2ac00) [ 401.719050][ T373] !!!! css_killed_work_fn css_put(ffff88810fa2ac00) [ 402.141573][ T9] device bridge_slave_1 left promiscuous mode [ 402.147683][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 402.155011][ T9] device bridge_slave_0 left promiscuous mode [ 402.161083][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 402.501482][ C1] !!!! put_css_set_locked css_put(ffff888110825000) [ 402.508176][ C1] !!!! put_css_set_locked css_put(ffff88810ecd0a00) [ 402.514831][ C1] !!!! put_css_set_locked css_put(ffff8881103e3800) [ 402.521487][ C1] !!!! put_css_set_locked css_put(ffff888110d30800) [ 402.528135][ C1] !!!! put_css_set_locked css_put(ffff8881102f2000) [ 402.534773][ C1] !!!! put_css_set_locked css_put(ffff888110358400) [ 402.541411][ C1] !!!! put_css_set_locked css_put(ffff888110359a00) [ 402.548047][ C1] !!!! put_css_set_locked css_put(ffff888100125800) [ 402.554691][ C1] !!!! put_css_set_locked cgroup_put(self ffff8881102f4000) [ 402.562117][ C1] !!!! put_css_set_locked cgroup_put(self ffff888110de6000) [ 402.569452][ C1] !!!! put_css_set_locked cgroup_put(self ffff8881109ca000) [ 403.361812][ T9] device bridge_slave_1 left promiscuous mode [ 403.367933][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 403.375348][ T9] device bridge_slave_0 left promiscuous mode [ 403.381446][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 403.388868][ T9] device bridge_slave_1 left promiscuous mode [ 403.395128][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 403.402396][ T9] device bridge_slave_0 left promiscuous mode [ 403.408477][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 403.416006][ T9] device bridge_slave_1 left promiscuous mode [ 403.422199][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 403.429381][ T9] device bridge_slave_0 left promiscuous mode [ 403.437877][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 403.445314][ T9] device bridge_slave_1 left promiscuous mode [ 403.452390][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 403.459734][ T9] device bridge_slave_0 left promiscuous mode [ 403.465882][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 403.473251][ T9] device bridge_slave_1 left promiscuous mode [ 403.479354][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 403.486798][ T9] device bridge_slave_0 left promiscuous mode [ 403.492902][ T9] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.10.3' (ECDSA) to the list of known hosts. [ 404.055922][ T6045] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 404.062825][ T6045] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 404.069307][ T6045] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 404.075843][ T6045] !!!! css_create css ffff888118749800 !!!! [ 404.081764][ T6045] !!!! css_create css ffff888118748800 !!!! [ 404.087649][ T6045] !!!! css_create css ffff88811874b400 !!!! [ 404.093567][ T6045] !!!! css_create css ffff888110285000 !!!! [ 404.099456][ T6045] !!!! css_create css ffff888110287400 !!!! [ 404.105507][ T6045] !!!! css_create css ffff888110285800 !!!! [ 404.111479][ T6045] !!!! control_disable control_disable ss name cpu [ 404.118046][ T6045] !!!! control_disable control_disable ss name memory [ 404.124798][ T6045] !!!! control_disable control_disable ss name pids [ 404.131382][ T6045] !!!! control_disable control_disable ss name cpu [ 404.137850][ T6045] !!!! control_disable control_disable ss name memory [ 404.144601][ T6045] !!!! control_disable control_disable ss name pids [ 404.151169][ T6045] !!!! control_disable control_disable ss name cpu [ 404.157667][ T6045] !!!! control_disable control_disable ss name memory [ 404.164421][ T6045] !!!! control_disable control_disable ss name pids [ 404.170972][ T6045] !!!! control_disable control_disable ss name cpu [ 404.177457][ T6045] !!!! control_disable control_disable ss name memory [ 404.184205][ T6045] !!!! control_disable control_disable ss name pids [ 404.190767][ T6045] !!!! control_disable control_disable ss name cpu [ 404.197269][ T6045] !!!! control_disable control_disable ss name memory [ 404.204015][ T6045] !!!! control_disable control_disable ss name pids [ 404.210575][ T6045] !!!! control_disable control_disable ss name cpu [ 404.217166][ T6045] !!!! control_disable control_disable ss name memory [ 404.224248][ T6045] !!!! control_disable control_disable ss name pids [ 404.230839][ T6045] !!!! control_disable control_disable ss name cpu [ 404.237342][ T6045] !!!! control_disable control_disable ss name memory [ 404.244415][ T6045] !!!! control_disable control_disable ss name pids [ 404.251023][ T6045] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 404.257677][ T6045] cgroup: Unknown subsys name 'net' [ 404.263024][ T6045] cgroup: Unknown subsys name 'devices' [ 404.268892][ T6045] cgroup: Unknown subsys name 'hugetlb' [ 404.274473][ T6045] cgroup: Unknown subsys name 'rlimit' [ 404.311431][ T6053] !!!! cgroup_kn_unlock css_put(ffff88810fb5c000) [ 404.316092][ T6056] !!!! cgroup_kn_unlock css_put(ffff888110232000) [ 404.318061][ T6053] !!!! put_css_set_locked css_put(ffffffff85fb69e0) [ 404.331088][ T6053] !!!! put_css_set_locked css_put(ffff88810ecd0c00) [ 404.337754][ T6053] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 404.344409][ T6053] !!!! put_css_set_locked css_put(ffffffff86918540) [ 404.351053][ T6053] !!!! put_css_set_locked css_put(ffff88810fff2000) [ 404.357692][ T6053] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 404.364328][ T6053] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 404.370968][ T6053] !!!! put_css_set_locked css_put(ffff888118748800) [ 404.377605][ T6053] !!!! put_css_set_locked cgroup_put(self ffff88810fb5c000) [ 404.385065][ T6053] !!!! cgroup_kn_unlock css_put(ffff8881103b6000) [ 404.385319][ T6056] !!!! put_css_set_locked css_put(ffffffff85fb69e0) [ 404.398307][ T6056] !!!! put_css_set_locked css_put(ffff88811f32d800) [ 404.404956][ T6056] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 404.411601][ T6056] !!!! put_css_set_locked css_put(ffffffff86918540) [ 404.418257][ T6056] !!!! put_css_set_locked css_put(ffff88811030c000) [ 404.424911][ T6056] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 404.431559][ T6056] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 404.438208][ T6056] !!!! put_css_set_locked css_put(ffff888110285000) [ 404.444860][ T6056] !!!! put_css_set_locked cgroup_put(self ffff888110232000) [ 404.452410][ T6055] !!!! cgroup_kn_unlock css_put(ffff88811054a000) [ 404.452670][ T6056] !!!! cgroup_kn_unlock css_put(ffff8881107ba000) [ 404.459070][ T6050] !!!! cgroup_kn_unlock css_put(ffff88810558c000) [ 404.465784][ T6056] !!!! put_css_set_locked css_put(ffff888110ae7800) [ 404.478882][ T6056] !!!! put_css_set_locked css_put(ffff88811f32d800) [ 404.485526][ T6056] !!!! put_css_set_locked css_put(ffff888110358800) [ 404.492170][ T6056] !!!! put_css_set_locked css_put(ffffffff86918540) [ 404.498815][ T6056] !!!! put_css_set_locked css_put(ffff88811030c000) [ 404.505459][ T6056] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 404.512106][ T6056] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 404.518750][ T6056] !!!! put_css_set_locked css_put(ffff888110285000) [ 404.525391][ T6056] !!!! put_css_set_locked cgroup_put(self ffff888110232000) [ 404.532738][ T6056] !!!! put_css_set_locked cgroup_put(self ffff8881107ba000) [ 404.540296][ T6056] !!!! cgroup_kn_unlock css_put(ffff888110de0000) [ 404.540371][ T6054] !!!! cgroup_kn_unlock css_put(ffff88811001e000) [ 404.553682][ T6058] !!!! put_css_set_locked css_put(ffffffff85fb69e0) [ 404.560347][ T6058] !!!! put_css_set_locked css_put(ffff88811f32de00) [ 404.566992][ T6058] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 404.573631][ T6058] !!!! put_css_set_locked css_put(ffffffff86918540) [ 404.580274][ T6058] !!!! put_css_set_locked css_put(ffff8881053ec000) [ 404.587119][ T6058] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 404.593758][ T6058] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 404.600402][ T6058] !!!! put_css_set_locked css_put(ffff888118749800) [ 404.607051][ T6058] !!!! put_css_set_locked cgroup_put(self ffff88810558c000) [ 404.614398][ T6058] !!!! put_css_set_locked css_put(ffff88810fecfc00) [ 404.621041][ T6058] !!!! put_css_set_locked css_put(ffff88810ecd0c00) [ 404.627677][ T6058] !!!! put_css_set_locked css_put(ffff88811004fa00) [ 404.634316][ T6058] !!!! put_css_set_locked css_put(ffffffff86918540) [ 404.641046][ T6058] !!!! put_css_set_locked css_put(ffff88810fff2000) [ 404.647700][ T6058] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 404.654426][ T6058] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 404.661150][ T6058] !!!! put_css_set_locked css_put(ffff888118748800) [ 404.667793][ T6058] !!!! put_css_set_locked cgroup_put(self ffff88810fb5c000) [ 404.675142][ T6058] !!!! put_css_set_locked cgroup_put(self ffff8881103b6000) [ 404.682486][ T6058] !!!! put_css_set_locked css_put(ffffffff85fb69e0) [ 404.689123][ T6058] !!!! put_css_set_locked css_put(ffff88811f32d200) [ 404.695764][ T6058] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 404.702402][ T6058] !!!! put_css_set_locked css_put(ffffffff86918540) [ 404.709042][ T6058] !!!! put_css_set_locked css_put(ffff888110230000) [ 404.715677][ T6058] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 404.722321][ T6058] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 404.729066][ T6058] !!!! put_css_set_locked css_put(ffff88811874b400) [ 404.735827][ T6058] !!!! put_css_set_locked cgroup_put(self ffff88811001e000) [ 404.743182][ T6058] !!!! put_css_set_locked css_put(ffff888110ae7800) [ 404.749842][ T6058] !!!! put_css_set_locked css_put(ffff88811f32d800) [ 404.756482][ T6058] !!!! put_css_set_locked css_put(ffff888110358800) [ 404.763295][ T6058] !!!! put_css_set_locked css_put(ffff888110d30c00) [ 404.769932][ T6058] !!!! put_css_set_locked css_put(ffff88811030c000) [ 404.776573][ T6058] !!!! put_css_set_locked css_put(ffff8881102d6c00) [ 404.783210][ T6058] !!!! put_css_set_locked css_put(ffff8881106ac600) [ 404.789850][ T6058] !!!! put_css_set_locked css_put(ffff888110285000) [ 404.796494][ T6058] !!!! put_css_set_locked cgroup_put(self ffff888110232000) [ 404.803831][ T6058] !!!! put_css_set_locked cgroup_put(self ffff888110de0000) [ 404.811163][ T6058] !!!! put_css_set_locked cgroup_put(self ffff8881107ba000) [ 404.818499][ T6058] !!!! put_css_set_locked css_put(ffffffff85fb69e0) [ 404.825147][ T6058] !!!! put_css_set_locked css_put(ffff88811f32d000) [ 404.831796][ T6058] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 404.838447][ T6058] !!!! put_css_set_locked css_put(ffffffff86918540) [ 404.845096][ T6058] !!!! put_css_set_locked css_put(ffff8881109b6000) [ 404.851745][ T6058] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 404.858384][ T6058] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 404.865023][ T6058] !!!! put_css_set_locked css_put(ffff888110285800) [ 404.871663][ T6058] !!!! put_css_set_locked cgroup_put(self ffff88811054a000) [ 404.879129][ T6058] !!!! control_disable control_disable ss name cpu [ 404.885690][ T6058] !!!! control_disable control_disable ss name memory [ 404.892567][ T6058] !!!! control_disable control_disable ss name pids [ 404.899134][ T6058] !!!! control_disable kill_css(ffff888118749800) [ 404.905841][ T6058] !!!! control_disable control_disable ss name cpu [ 404.912388][ T6058] !!!! control_disable control_disable ss name memory [ 404.919141][ T6058] !!!! control_disable control_disable ss name pids [ 404.925744][ T6058] !!!! control_disable kill_css(ffff888118748800) [ 404.932303][ T6058] !!!! control_disable control_disable ss name cpu [ 404.938775][ T6058] !!!! control_disable control_disable ss name memory [ 404.945625][ C1] !!!! css_killed_ref_fn enqueue(ffff888118749800) [ 404.952242][ T6058] !!!! control_disable control_disable ss name pids [ 404.958918][ T6058] !!!! control_disable kill_css(ffff88811874b400) [ 404.965456][ T6058] !!!! control_disable control_disable ss name cpu [ 404.971958][ T6058] !!!! control_disable control_disable ss name memory [ 404.978792][ T6058] !!!! control_disable control_disable ss name pids [ 404.985386][ T6058] !!!! control_disable kill_css(ffff888110285000) [ 404.991971][ C1] !!!! css_killed_ref_fn enqueue(ffff888118748800) [ 404.998594][ T6058] !!!! control_disable control_disable ss name cpu [ 405.005095][ T6058] !!!! control_disable control_disable ss name memory [ 405.011940][ C1] !!!! css_killed_ref_fn enqueue(ffff88811874b400) [ 405.018536][ T6058] !!!! control_disable control_disable ss name pids [ 405.025164][ T6058] !!!! control_disable kill_css(ffff888110287400) [ 405.031657][ C1] !!!! css_killed_ref_fn enqueue(ffff888110285000) [ 405.038268][ T6058] !!!! control_disable control_disable ss name cpu [ 405.044799][ T6058] !!!! control_disable control_disable ss name memory [ 405.051566][ T6058] !!!! control_disable control_disable ss name pids [ 405.058119][ T6058] !!!! control_disable kill_css(ffff888110285800) [ 405.064763][ T6058] !!!! control_disable control_disable ss name cpu [ 405.071247][ T6058] !!!! control_disable control_disable ss name memory [ 405.078002][ T6058] !!!! control_disable control_disable ss name pids [ 405.084578][ C1] !!!! css_killed_ref_fn enqueue(ffff888110287400) [ 405.091220][ T6058] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 405.091332][ T6057] !!!! cgroup_kn_unlock css_put(ffff8881102f4000) [ 405.097765][ T6053] !!!! put_css_set_locked css_put(ffff88810fecfc00) [ 405.110836][ T6053] !!!! put_css_set_locked css_put(ffff88810ecd0c00) [ 405.117571][ T6053] !!!! put_css_set_locked css_put(ffff88811004fa00) [ 405.124209][ T6053] !!!! put_css_set_locked css_put(ffffffff86918540) [ 405.130847][ T6053] !!!! put_css_set_locked css_put(ffff88810fff2000) [ 405.137484][ T6053] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 405.144121][ T6053] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 405.150770][ T6053] !!!! put_css_set_locked css_put(ffff888100125800) [ 405.157410][ T6053] !!!! put_css_set_locked cgroup_put(self ffff88810fb5c000) [ 405.164748][ T6053] !!!! put_css_set_locked cgroup_put(self ffff8881103b6000) [ 405.172258][ C1] !!!! css_killed_ref_fn enqueue(ffff888110285800) [ 405.178970][ T6053] !!!! cgroup_kn_unlock css_put(ffff8881102f6000) [ 405.179030][ T6055] !!!! put_css_set_locked css_put(ffffffff85fb69e0) [ 405.192114][ T6055] !!!! put_css_set_locked css_put(ffff88811f32d000) [ 405.198801][ T6055] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 405.205444][ T6055] !!!! put_css_set_locked css_put(ffffffff86918540) [ 405.212080][ T6055] !!!! put_css_set_locked css_put(ffff8881109b6000) [ 405.218729][ T6055] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 405.225396][ T6055] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 405.232035][ T6055] !!!! put_css_set_locked css_put(ffff888100125800) [ 405.238683][ T6055] !!!! put_css_set_locked cgroup_put(self ffff88811054a000) [ 405.246406][ T6055] !!!! cgroup_kn_unlock css_put(ffff8881102f0000) [ 405.246518][ T6050] !!!! put_css_set_locked css_put(ffffffff85fb69e0) [ 405.259562][ T6050] !!!! put_css_set_locked css_put(ffff88811f32de00) [ 405.266209][ T6050] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 405.272852][ T6050] !!!! put_css_set_locked css_put(ffffffff86918540) [ 405.279506][ T6050] !!!! put_css_set_locked css_put(ffff8881053ec000) [ 405.286272][ T6050] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 405.292920][ T6050] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 405.299575][ T6050] !!!! put_css_set_locked css_put(ffff888100125800) [ 405.306242][ T6050] !!!! put_css_set_locked cgroup_put(self ffff88810558c000) [ 405.313715][ T6054] !!!! put_css_set_locked css_put(ffffffff85fb69e0) [ 405.314020][ T6050] !!!! cgroup_kn_unlock css_put(ffff88810558a000) [ 405.320368][ T6054] !!!! put_css_set_locked css_put(ffff88811f32d200) [ 405.320373][ T6054] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 405.320377][ T6054] !!!! put_css_set_locked css_put(ffffffff86918540) [ 405.320387][ T6054] !!!! put_css_set_locked css_put(ffff888110230000) [ 405.353524][ T6054] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 405.360167][ T6054] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 405.366821][ T6054] !!!! put_css_set_locked css_put(ffff888100125800) [ 405.373470][ T6054] !!!! put_css_set_locked cgroup_put(self ffff88811001e000) [ 405.381539][ T24] !!!! css_killed_work_fn css_put(ffff888118749800) [ 405.381775][ T6054] !!!! cgroup_kn_unlock css_put(ffff888110236000) [ 405.388218][ T24] !!!! css_killed_work_fn css_put(ffff888118748800) [ 405.388228][ T24] !!!! css_killed_work_fn css_put(ffff88811874b400) [ 405.408122][ T6057] !!!! put_css_set_locked css_put(ffffffff85fb69e0) [ 405.414786][ T6057] !!!! put_css_set_locked css_put(ffff88810ecd0a00) [ 405.421426][ T6057] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 405.428066][ T6057] !!!! put_css_set_locked css_put(ffffffff86918540) [ 405.434701][ T6057] !!!! put_css_set_locked css_put(ffff8881102f2000) [ 405.441340][ T6057] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 405.447978][ T6057] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 405.454617][ T6057] !!!! put_css_set_locked css_put(ffff888100125800) [ 405.461518][ T6057] !!!! put_css_set_locked cgroup_put(self ffff8881102f4000) [ 405.469071][ T6055] !!!! put_css_set_locked css_put(ffff88811088bc00) [ 405.469351][ T6057] !!!! cgroup_kn_unlock css_put(ffff8881109ca000) [ 405.475737][ T6055] !!!! put_css_set_locked css_put(ffff88811f32d000) [ 405.475742][ T6055] !!!! put_css_set_locked css_put(ffff888110359e00) [ 405.475747][ T6055] !!!! put_css_set_locked css_put(ffffffff86918540) [ 405.475751][ T6055] !!!! put_css_set_locked css_put(ffff8881109b6000) [ 405.475755][ T6055] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 405.475759][ T6055] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 405.475763][ T6055] !!!! put_css_set_locked css_put(ffff888100125800) [ 405.475769][ T6055] !!!! put_css_set_locked cgroup_put(self ffff88811054a000) [ 405.475784][ T6055] !!!! put_css_set_locked cgroup_put(self ffff8881102f0000) [ 405.476111][ T6050] !!!! put_css_set_locked css_put(ffff88811f33fc00) [ 405.482958][ T6055] !!!! cgroup_kn_unlock css_put(ffff88811055e000) [ 405.488954][ T6050] !!!! put_css_set_locked css_put(ffff88811f32de00) [ 405.563201][ T6050] !!!! put_css_set_locked css_put(ffff888104db6600) [ 405.569852][ T6050] !!!! put_css_set_locked css_put(ffffffff86918540) [ 405.576500][ T6050] !!!! put_css_set_locked css_put(ffff8881053ec000) [ 405.583162][ T6050] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 405.589805][ T6050] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 405.596442][ T6050] !!!! put_css_set_locked css_put(ffff888100125800) [ 405.603084][ T6050] !!!! put_css_set_locked cgroup_put(self ffff88810558c000) [ 405.610432][ T6050] !!!! put_css_set_locked cgroup_put(self ffff88810558a000) [ 405.618089][ T6050] !!!! cgroup_kn_unlock css_put(ffff88810013a000) [ 405.625138][ T6054] !!!! put_css_set_locked css_put(ffff888110089800) [ 405.631810][ T6054] !!!! put_css_set_locked css_put(ffff88811f32d200) [ 405.638450][ T6054] !!!! put_css_set_locked css_put(ffff8881100ce600) [ 405.645352][ T6054] !!!! put_css_set_locked css_put(ffffffff86918540) [ 405.651993][ T6054] !!!! put_css_set_locked css_put(ffff888110230000) [ 405.658639][ T6054] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 405.665279][ T6054] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 405.672269][ T6054] !!!! put_css_set_locked css_put(ffff888100125800) [ 405.678912][ T6054] !!!! put_css_set_locked cgroup_put(self ffff88811001e000) [ 405.686338][ T6054] !!!! put_css_set_locked cgroup_put(self ffff888110236000) [ 405.694043][ T24] !!!! css_killed_work_fn css_put(ffff888110285000) [ 405.695115][ T6054] !!!! cgroup_kn_unlock css_put(ffff888110234000) [ 405.700764][ T6057] !!!! put_css_set_locked css_put(ffff888110825000) [ 405.713879][ T6057] !!!! put_css_set_locked css_put(ffff88810ecd0a00) [ 405.720522][ T6057] !!!! put_css_set_locked css_put(ffff8881103e3800) [ 405.727162][ T6057] !!!! put_css_set_locked css_put(ffffffff86918540) [ 405.733805][ T6057] !!!! put_css_set_locked css_put(ffff8881102f2000) [ 405.740445][ T6057] !!!! put_css_set_locked css_put(ffff8881001c7600) [ 405.747083][ T6057] !!!! put_css_set_locked css_put(ffff8881001c7a00) [ 405.753726][ T6057] !!!! put_css_set_locked css_put(ffff888100125800) [ 405.760367][ T6057] !!!! put_css_set_locked cgroup_put(self ffff8881102f4000) [ 405.767707][ T6057] !!!! put_css_set_locked cgroup_put(self ffff8881109ca000) [ 405.775284][ T19] !!!! css_killed_work_fn css_put(ffff888110287400) [ 405.775289][ T6057] !!!! cgroup_kn_unlock css_put(ffff888110de6000) [ 405.788584][ T19] !!!! css_killed_work_fn css_put(ffff888110285800) [ 405.795488][ T6059] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 405.795526][ T6058] !!!! css_create css ffff888114c17c00 !!!! [ 405.808034][ T6058] !!!! css_create css ffff888114c16000 !!!! [ 405.814001][ T6058] !!!! css_create css ffff888114c15c00 !!!! [ 405.819886][ T6058] FAULT_INJECTION: forcing a failure. [ 405.819886][ T6058] name failslab, interval 1, probability 0, space 0, times 0 [ 405.832478][ T6058] CPU: 1 PID: 6058 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 405.844162][ T6058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.854198][ T6058] Call Trace: [ 405.857460][ T6058] dump_stack_lvl+0x1e2/0x24b [ 405.862111][ T6058] ? panic+0x7d7/0x7d7 [ 405.866151][ T6058] ? record_print_text+0x266/0x420 [ 405.871243][ T6058] ? bfq_pos_tree_add_move+0x43e/0x43e [ 405.876759][ T6058] dump_stack+0x15/0x17 [ 405.880889][ T6058] should_fail+0x3c0/0x510 [ 405.885284][ T6058] __should_failslab+0x9f/0xe0 [ 405.890015][ T6058] should_failslab+0x9/0x20 [ 405.894495][ T6058] kmem_cache_alloc+0x3f/0x300 [ 405.899313][ T6058] ? __kernfs_new_node+0xdb/0x6e0 [ 405.904306][ T6058] __kernfs_new_node+0xdb/0x6e0 [ 405.909125][ T6058] ? stack_trace_save+0x1f0/0x1f0 [ 405.914117][ T6058] ? kernfs_new_node+0x170/0x170 [ 405.919049][ T6058] ? ptr_to_hashval+0x60/0x60 [ 405.923695][ T6058] ? snprintf+0xd6/0x120 [ 405.927907][ T6058] kernfs_new_node+0x97/0x170 [ 405.932568][ T6058] __kernfs_create_file+0x4a/0x270 [ 405.937649][ T6058] cgroup_addrm_files+0xab8/0xfe0 [ 405.942642][ T6058] ? cgroup_apply_control_enable+0x734/0x12e0 [ 405.948680][ T6058] ? cgroup_apply_control+0x93/0x710 [ 405.953938][ T6058] ? cgroup_subtree_control_write+0xd19/0x1310 [ 405.960060][ T6058] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 405.966185][ T6058] ? delete_node+0x759/0x7b0 [ 405.970752][ T6058] ? __kasan_check_read+0x11/0x20 [ 405.975743][ T6058] ? delete_node+0x759/0x7b0 [ 405.980301][ T6058] ? __kasan_check_write+0x14/0x20 [ 405.985380][ T6058] ? __radix_tree_replace+0x246/0x2e0 [ 405.990720][ T6058] ? idr_get_next+0x4b0/0x4b0 [ 405.995372][ T6058] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 406.000376][ T6058] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 406.005553][ T6058] css_populate_dir+0x137/0x370 [ 406.010371][ T6058] cgroup_apply_control_enable+0x629/0x12e0 [ 406.016231][ T6058] cgroup_apply_control+0x93/0x710 [ 406.021316][ T6058] ? css_next_child+0x160/0x160 [ 406.026140][ T6058] ? stack_trace_save+0x12d/0x1f0 [ 406.031147][ T6058] ? io_schedule+0x120/0x120 [ 406.035707][ T6058] ? kernfs_fop_write_iter+0x15e/0x410 [ 406.041138][ T6058] ? __kasan_check_write+0x14/0x20 [ 406.046219][ T6058] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 406.051473][ T6058] cgroup_subtree_control_write+0xd19/0x1310 [ 406.057429][ T6058] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 406.063378][ T6058] ? __kasan_check_write+0x14/0x20 [ 406.068462][ T6058] ? _copy_from_iter+0x3fb/0xd60 [ 406.073383][ T6058] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 406.079861][ T6058] cgroup_file_write+0x28e/0x590 [ 406.084773][ T6058] ? cgroup_seqfile_stop+0xc0/0xc0 [ 406.089853][ T6058] ? mutex_lock+0xa6/0x110 [ 406.094236][ T6058] ? mutex_trylock+0xb0/0xb0 [ 406.098796][ T6058] ? __kasan_check_write+0x14/0x20 [ 406.103883][ T6058] kernfs_fop_write_iter+0x2d0/0x410 [ 406.109134][ T6058] ? cgroup_seqfile_stop+0xc0/0xc0 [ 406.114223][ T6058] vfs_write+0xc1c/0xf40 [ 406.118434][ T6058] ? slab_free_freelist_hook+0xcc/0x1a0 [ 406.123947][ T6058] ? kernel_write+0x3c0/0x3c0 [ 406.128597][ T6058] ? do_sys_openat2+0x397/0x470 [ 406.133618][ T6058] ? __kasan_check_read+0x11/0x20 [ 406.138615][ T6058] ? __fdget_pos+0x27e/0x310 [ 406.143182][ T6058] ksys_write+0x198/0x2c0 [ 406.147577][ T6058] ? __ia32_sys_read+0x90/0x90 [ 406.152318][ T6058] ? debug_smp_processor_id+0x17/0x20 [ 406.157660][ T6058] __x64_sys_write+0x7b/0x90 [ 406.162219][ T6058] do_syscall_64+0x34/0x70 [ 406.166603][ T6058] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 406.172473][ T6058] RIP: 0033:0x7f777aae6c09 [ 406.176867][ T6058] 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 [ 406.196541][ T6058] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 406.204940][ T6058] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 406.213040][ T6058] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 406.220991][ T6058] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 406.228937][ T6058] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 406.236881][ T6058] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000000 [ 406.244997][ T6058] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 406.252053][ T6058] !!!! control_disable control_disable ss name cpu [ 406.258538][ T6058] !!!! control_disable control_disable ss name memory [ 406.265426][ T6058] !!!! control_disable control_disable ss name pids [ 406.272222][ T6058] !!!! control_disable kill_css(ffff888114c17c00) [ 406.278780][ T6058] !!!! control_disable control_disable ss name cpu [ 406.285306][ T6058] !!!! control_disable control_disable ss name memory [ 406.292097][ T6058] !!!! control_disable control_disable ss name pids [ 406.298673][ T6058] !!!! control_disable kill_css(ffff888114c16000) [ 406.305193][ T6058] !!!! control_disable control_disable ss name cpu [ 406.311679][ T6058] !!!! control_disable control_disable ss name memory [ 406.318410][ T6058] !!!! control_disable control_disable ss name pids [ 406.324989][ T6058] !!!! control_disable kill_css(ffff888114c15c00) [ 406.331584][ T6058] !!!! control_disable control_disable ss name cpu [ 406.338678][ T6058] !!!! control_disable control_disable ss name memory [ 406.345694][ T6058] !!!! control_disable control_disable ss name cpu [ 406.353406][ T6058] !!!! control_disable control_disable ss name memory [ 406.360520][ T6058] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 406.367320][ T6058] !!!! control_disable control_disable ss name memory [ 406.374069][ T6058] !!!! control_disable control_disable ss name cpu [ 406.380551][ T6058] !!!! control_disable control_disable ss name memory [ 406.387566][ T6058] !!!! control_disable control_disable ss name pids [ 406.394174][ T6058] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 406.421422][ C1] !!!! css_killed_ref_fn enqueue(ffff888114c17c00) [ 406.428140][ T19] !!!! css_killed_work_fn css_put(ffff888114c17c00) [ 406.434831][ C1] !!!! css_killed_ref_fn enqueue(ffff888114c16000) [ 406.434842][ C1] !!!! css_killed_ref_fn enqueue(ffff888114c15c00) [ 406.448121][ T19] !!!! css_killed_work_fn css_put(ffff888114c16000) [ 406.454885][ T19] !!!! css_killed_work_fn css_put(ffff888114c15c00) [ 406.461612][ T6060] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 406.461626][ T6061] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 406.468240][ T6060] !!!! css_create css ffff888114c16c00 !!!! [ 406.480581][ T6060] !!!! css_create css ffff888114c15000 !!!! [ 406.486639][ T6060] !!!! css_create css ffff888114c17800 !!!! [ 406.492578][ T6060] FAULT_INJECTION: forcing a failure. [ 406.492578][ T6060] name failslab, interval 1, probability 0, space 0, times 0 [ 406.506010][ T6060] CPU: 1 PID: 6060 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 406.517709][ T6060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.527737][ T6060] Call Trace: [ 406.530999][ T6060] dump_stack_lvl+0x1e2/0x24b [ 406.535648][ T6060] ? panic+0x7d7/0x7d7 [ 406.539699][ T6060] ? bfq_pos_tree_add_move+0x43e/0x43e [ 406.545151][ T6060] ? __kasan_check_write+0x14/0x20 [ 406.550247][ T6060] ? __switch_to+0x5e4/0x1220 [ 406.554904][ T6060] dump_stack+0x15/0x17 [ 406.559039][ T6060] should_fail+0x3c0/0x510 [ 406.563432][ T6060] __should_failslab+0x9f/0xe0 [ 406.568168][ T6060] should_failslab+0x9/0x20 [ 406.572642][ T6060] kmem_cache_alloc+0x3f/0x300 [ 406.577461][ T6060] ? __kernfs_new_node+0xdb/0x6e0 [ 406.582455][ T6060] __kernfs_new_node+0xdb/0x6e0 [ 406.587277][ T6060] ? stack_trace_save+0x1f0/0x1f0 [ 406.592271][ T6060] ? kernfs_new_node+0x170/0x170 [ 406.597176][ T6060] ? ptr_to_hashval+0x60/0x60 [ 406.601823][ T6060] ? snprintf+0xd6/0x120 [ 406.606035][ T6060] kernfs_new_node+0x97/0x170 [ 406.610680][ T6060] __kernfs_create_file+0x4a/0x270 [ 406.615761][ T6060] cgroup_addrm_files+0xab8/0xfe0 [ 406.620753][ T6060] ? cgroup_apply_control_enable+0x734/0x12e0 [ 406.626787][ T6060] ? cgroup_apply_control+0x93/0x710 [ 406.632046][ T6060] ? cgroup_subtree_control_write+0xd19/0x1310 [ 406.638283][ T6060] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 406.644404][ T6060] ? delete_node+0x759/0x7b0 [ 406.648977][ T6060] ? __kasan_check_read+0x11/0x20 [ 406.653978][ T6060] ? delete_node+0x759/0x7b0 [ 406.658535][ T6060] ? __kasan_check_write+0x14/0x20 [ 406.663613][ T6060] ? __radix_tree_replace+0x246/0x2e0 [ 406.668953][ T6060] ? idr_get_next+0x4b0/0x4b0 [ 406.673610][ T6060] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 406.678604][ T6060] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 406.683866][ T6060] css_populate_dir+0x137/0x370 [ 406.688686][ T6060] cgroup_apply_control_enable+0x629/0x12e0 [ 406.694547][ T6060] cgroup_apply_control+0x93/0x710 [ 406.699631][ T6060] ? css_next_child+0x160/0x160 [ 406.704470][ T6060] ? stack_trace_save+0x12d/0x1f0 [ 406.709463][ T6060] ? io_schedule+0x120/0x120 [ 406.714025][ T6060] ? kernfs_fop_write_iter+0x15e/0x410 [ 406.719455][ T6060] ? __kasan_check_write+0x14/0x20 [ 406.724534][ T6060] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 406.729877][ T6060] cgroup_subtree_control_write+0xd19/0x1310 [ 406.735827][ T6060] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 406.741774][ T6060] ? __kasan_check_write+0x14/0x20 [ 406.747038][ T6060] ? _copy_from_iter+0x3fb/0xd60 [ 406.752224][ T6060] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 406.758186][ T6060] cgroup_file_write+0x28e/0x590 [ 406.763337][ T6060] ? cgroup_seqfile_stop+0xc0/0xc0 [ 406.768610][ T6060] ? mutex_lock+0xa6/0x110 [ 406.773024][ T6060] ? mutex_trylock+0xb0/0xb0 [ 406.777686][ T6060] ? __kasan_check_write+0x14/0x20 [ 406.782776][ T6060] kernfs_fop_write_iter+0x2d0/0x410 [ 406.788037][ T6060] ? cgroup_seqfile_stop+0xc0/0xc0 [ 406.793123][ T6060] vfs_write+0xc1c/0xf40 [ 406.797337][ T6060] ? slab_free_freelist_hook+0xcc/0x1a0 [ 406.802862][ T6060] ? kernel_write+0x3c0/0x3c0 [ 406.807514][ T6060] ? do_sys_openat2+0x397/0x470 [ 406.812337][ T6060] ? __kasan_check_read+0x11/0x20 [ 406.817333][ T6060] ? __fdget_pos+0x27e/0x310 [ 406.821895][ T6060] ksys_write+0x198/0x2c0 [ 406.826199][ T6060] ? __ia32_sys_read+0x90/0x90 [ 406.830935][ T6060] ? debug_smp_processor_id+0x17/0x20 [ 406.836310][ T6060] __x64_sys_write+0x7b/0x90 [ 406.840970][ T6060] do_syscall_64+0x34/0x70 [ 406.845376][ T6060] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 406.851262][ T6060] RIP: 0033:0x7f777aae6c09 [ 406.855661][ T6060] 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 [ 406.875246][ T6060] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 406.883633][ T6060] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 406.891582][ T6060] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 406.899541][ T6060] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 406.907501][ T6060] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 406.915482][ T6060] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000000 [ 406.924056][ T6060] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 406.931117][ T6060] !!!! control_disable control_disable ss name cpu [ 406.937679][ T6060] !!!! control_disable control_disable ss name memory [ 406.944501][ T6060] !!!! control_disable control_disable ss name pids [ 406.951098][ T6060] !!!! control_disable kill_css(ffff888114c16c00) [ 406.957687][ T6060] !!!! control_disable control_disable ss name cpu [ 406.964221][ T6060] !!!! control_disable control_disable ss name memory [ 406.970988][ T6060] !!!! control_disable control_disable ss name pids [ 406.977698][ T6060] !!!! control_disable kill_css(ffff888114c15000) [ 406.984348][ T6060] !!!! control_disable control_disable ss name cpu [ 406.990876][ T6060] !!!! control_disable control_disable ss name memory [ 406.997746][ C0] !!!! css_killed_ref_fn enqueue(ffff888114c16c00) [ 407.004358][ T6060] !!!! control_disable control_disable ss name pids [ 407.010923][ T6060] !!!! control_disable kill_css(ffff888114c17800) [ 407.017476][ T6060] !!!! control_disable control_disable ss name cpu [ 407.023978][ T6060] !!!! control_disable control_disable ss name memory [ 407.030705][ T6060] !!!! control_disable control_disable ss name cpu [ 407.037195][ T6060] !!!! control_disable control_disable ss name memory [ 407.043943][ T6060] !!!! control_disable control_disable ss name cpu [ 407.050414][ T6060] !!!! control_disable control_disable ss name memory [ 407.057168][ T6060] !!!! control_disable control_disable ss name cpu [ 407.063673][ T6060] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 407.070406][ T6060] !!!! control_disable control_disable ss name pids [ 407.077024][ T6060] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 407.083537][ T6041] !!!! css_killed_work_fn css_put(ffff888114c16c00) [ 407.091353][ C1] !!!! css_killed_ref_fn enqueue(ffff888114c15000) [ 407.101345][ T19] !!!! css_killed_work_fn css_put(ffff888114c15000) [ 407.111334][ C0] !!!! css_killed_ref_fn enqueue(ffff888114c17800) [ 407.118039][ T6041] !!!! css_killed_work_fn css_put(ffff888114c17800) [ 407.126609][ T6065] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 407.131388][ T6062] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 407.133158][ T6061] !!!! css_create css ffff88811746c000 !!!! [ 407.146631][ T6061] !!!! css_create css ffff88810d80e000 !!!! [ 407.152668][ T6061] !!!! css_create css ffff8881219f0000 !!!! [ 407.158596][ T6061] FAULT_INJECTION: forcing a failure. [ 407.158596][ T6061] name failslab, interval 1, probability 0, space 0, times 0 [ 407.171337][ T6061] CPU: 1 PID: 6061 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 407.183218][ T6061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.193254][ T6061] Call Trace: [ 407.196533][ T6061] dump_stack_lvl+0x1e2/0x24b [ 407.201187][ T6061] ? panic+0x7d7/0x7d7 [ 407.205230][ T6061] ? bfq_pos_tree_add_move+0x43e/0x43e [ 407.210669][ T6061] ? __kasan_check_write+0x14/0x20 [ 407.215839][ T6061] ? __switch_to+0x5e4/0x1220 [ 407.220492][ T6061] dump_stack+0x15/0x17 [ 407.224628][ T6061] should_fail+0x3c0/0x510 [ 407.229023][ T6061] __should_failslab+0x9f/0xe0 [ 407.233774][ T6061] should_failslab+0x9/0x20 [ 407.238271][ T6061] kmem_cache_alloc+0x3f/0x300 [ 407.243017][ T6061] ? __kernfs_new_node+0xdb/0x6e0 [ 407.248216][ T6061] __kernfs_new_node+0xdb/0x6e0 [ 407.253042][ T6061] ? stack_trace_save+0x1f0/0x1f0 [ 407.258049][ T6061] ? kernfs_new_node+0x170/0x170 [ 407.262971][ T6061] ? ptr_to_hashval+0x60/0x60 [ 407.267629][ T6061] ? snprintf+0xd6/0x120 [ 407.271850][ T6061] kernfs_new_node+0x97/0x170 [ 407.276505][ T6061] __kernfs_create_file+0x4a/0x270 [ 407.281593][ T6061] cgroup_addrm_files+0xab8/0xfe0 [ 407.286595][ T6061] ? cgroup_apply_control_enable+0x734/0x12e0 [ 407.292635][ T6061] ? cgroup_apply_control+0x93/0x710 [ 407.297895][ T6061] ? cgroup_subtree_control_write+0xd19/0x1310 [ 407.304021][ T6061] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 407.310153][ T6061] ? delete_node+0x759/0x7b0 [ 407.314713][ T6061] ? __kasan_check_read+0x11/0x20 [ 407.319705][ T6061] ? delete_node+0x759/0x7b0 [ 407.324262][ T6061] ? __kasan_check_write+0x14/0x20 [ 407.329350][ T6061] ? __radix_tree_replace+0x246/0x2e0 [ 407.334702][ T6061] ? idr_get_next+0x4b0/0x4b0 [ 407.339521][ T6061] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 407.344514][ T6061] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 407.349688][ T6061] css_populate_dir+0x137/0x370 [ 407.354510][ T6061] cgroup_apply_control_enable+0x629/0x12e0 [ 407.360379][ T6061] cgroup_apply_control+0x93/0x710 [ 407.365546][ T6061] ? css_next_child+0x160/0x160 [ 407.370364][ T6061] ? stack_trace_save+0x12d/0x1f0 [ 407.375360][ T6061] ? io_schedule+0x120/0x120 [ 407.379920][ T6061] ? kernfs_fop_write_iter+0x15e/0x410 [ 407.385345][ T6061] ? __kasan_check_write+0x14/0x20 [ 407.390434][ T6061] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 407.395816][ T6061] cgroup_subtree_control_write+0xd19/0x1310 [ 407.401779][ T6061] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 407.407818][ T6061] ? __kasan_check_write+0x14/0x20 [ 407.413559][ T6061] ? _copy_from_iter+0x3fb/0xd60 [ 407.418472][ T6061] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 407.424423][ T6061] cgroup_file_write+0x28e/0x590 [ 407.429333][ T6061] ? cgroup_seqfile_stop+0xc0/0xc0 [ 407.434421][ T6061] ? mutex_lock+0xa6/0x110 [ 407.438816][ T6061] ? mutex_trylock+0xb0/0xb0 [ 407.443392][ T6061] ? __kasan_check_write+0x14/0x20 [ 407.448487][ T6061] kernfs_fop_write_iter+0x2d0/0x410 [ 407.453754][ T6061] ? cgroup_seqfile_stop+0xc0/0xc0 [ 407.458866][ T6061] vfs_write+0xc1c/0xf40 [ 407.463092][ T6061] ? slab_free_freelist_hook+0xcc/0x1a0 [ 407.468614][ T6061] ? kernel_write+0x3c0/0x3c0 [ 407.473267][ T6061] ? do_sys_openat2+0x397/0x470 [ 407.478091][ T6061] ? __kasan_check_read+0x11/0x20 [ 407.483086][ T6061] ? __fdget_pos+0x27e/0x310 [ 407.487652][ T6061] ksys_write+0x198/0x2c0 [ 407.491959][ T6061] ? __ia32_sys_read+0x90/0x90 [ 407.496700][ T6061] ? debug_smp_processor_id+0x17/0x20 [ 407.502045][ T6061] __x64_sys_write+0x7b/0x90 [ 407.506615][ T6061] do_syscall_64+0x34/0x70 [ 407.511006][ T6061] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 407.516960][ T6061] RIP: 0033:0x7f777aae6c09 [ 407.521356][ T6061] 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 [ 407.541021][ T6061] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 407.549408][ T6061] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 407.557444][ T6061] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 407.565390][ T6061] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 407.573342][ T6061] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 407.581290][ T6061] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000000 [ 407.589501][ T6061] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 407.596670][ T6061] !!!! control_disable control_disable ss name cpu [ 407.603332][ T6061] !!!! control_disable control_disable ss name memory [ 407.610208][ T6061] !!!! control_disable control_disable ss name pids [ 407.617036][ T6061] !!!! control_disable kill_css(ffff88811746c000) [ 407.623636][ T6061] !!!! control_disable control_disable ss name cpu [ 407.630137][ T6061] !!!! control_disable control_disable ss name memory [ 407.637122][ T6061] !!!! control_disable control_disable ss name pids [ 407.643803][ T6061] !!!! control_disable kill_css(ffff88810d80e000) [ 407.650312][ T6061] !!!! control_disable control_disable ss name cpu [ 407.656845][ T6061] !!!! control_disable control_disable ss name memory [ 407.664305][ C0] !!!! css_killed_ref_fn enqueue(ffff88811746c000) [ 407.670908][ T6061] !!!! control_disable control_disable ss name pids [ 407.677499][ T6061] !!!! control_disable kill_css(ffff8881219f0000) [ 407.683994][ C0] !!!! css_killed_ref_fn enqueue(ffff88810d80e000) [ 407.690569][ T6061] !!!! control_disable control_disable ss name cpu [ 407.697094][ T6061] !!!! control_disable control_disable ss name memory [ 407.703841][ T6061] !!!! control_disable control_disable ss name cpu [ 407.710319][ T6061] !!!! control_disable control_disable ss name memory [ 407.717070][ T6061] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 407.723559][ T6061] !!!! control_disable control_disable ss name memory [ 407.730296][ T6061] !!!! control_disable control_disable ss name cpu [ 407.736777][ T6061] !!!! control_disable control_disable ss name memory [ 407.743558][ T6061] !!!! control_disable control_disable ss name pids [ 407.750155][ T6061] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 407.756672][ T74] !!!! css_killed_work_fn css_put(ffff88811746c000) [ 407.763347][ C0] !!!! css_killed_ref_fn enqueue(ffff8881219f0000) [ 407.770017][ T74] !!!! css_killed_work_fn css_put(ffff88810d80e000) [ 407.776755][ T74] !!!! css_killed_work_fn css_put(ffff8881219f0000) [ 407.783503][ T6065] !!!! css_create css ffff8881219f1c00 !!!! [ 407.789431][ T6065] !!!! css_create css ffff8881219f1000 !!!! [ 407.795459][ T6065] !!!! css_create css ffff8881164ce000 !!!! [ 407.801443][ T6065] FAULT_INJECTION: forcing a failure. [ 407.801443][ T6065] name failslab, interval 1, probability 0, space 0, times 0 [ 407.814318][ T6065] CPU: 1 PID: 6065 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 407.826002][ T6065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.836026][ T6065] Call Trace: [ 407.839287][ T6065] dump_stack_lvl+0x1e2/0x24b [ 407.843930][ T6065] ? panic+0x7d7/0x7d7 [ 407.847964][ T6065] ? bfq_pos_tree_add_move+0x43e/0x43e [ 407.853392][ T6065] ? __kasan_check_write+0x14/0x20 [ 407.858496][ T6065] ? __switch_to+0x5e4/0x1220 [ 407.863223][ T6065] dump_stack+0x15/0x17 [ 407.867355][ T6065] should_fail+0x3c0/0x510 [ 407.871737][ T6065] __should_failslab+0x9f/0xe0 [ 407.876466][ T6065] should_failslab+0x9/0x20 [ 407.880936][ T6065] kmem_cache_alloc+0x3f/0x300 [ 407.885665][ T6065] ? __kernfs_new_node+0xdb/0x6e0 [ 407.890743][ T6065] __kernfs_new_node+0xdb/0x6e0 [ 407.895560][ T6065] ? stack_trace_save+0x1f0/0x1f0 [ 407.900559][ T6065] ? kernfs_new_node+0x170/0x170 [ 407.905466][ T6065] ? ptr_to_hashval+0x60/0x60 [ 407.910107][ T6065] ? snprintf+0xd6/0x120 [ 407.914312][ T6065] kernfs_new_node+0x97/0x170 [ 407.918954][ T6065] __kernfs_create_file+0x4a/0x270 [ 407.924359][ T6065] cgroup_addrm_files+0xab8/0xfe0 [ 407.929356][ T6065] ? cgroup_apply_control_enable+0x734/0x12e0 [ 407.935388][ T6065] ? cgroup_apply_control+0x93/0x710 [ 407.940639][ T6065] ? cgroup_subtree_control_write+0xd19/0x1310 [ 407.946766][ T6065] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 407.952884][ T6065] ? delete_node+0x759/0x7b0 [ 407.957479][ T6065] ? __kasan_check_read+0x11/0x20 [ 407.962475][ T6065] ? delete_node+0x759/0x7b0 [ 407.967043][ T6065] ? __kasan_check_write+0x14/0x20 [ 407.972558][ T6065] ? __radix_tree_replace+0x246/0x2e0 [ 407.977899][ T6065] ? idr_get_next+0x4b0/0x4b0 [ 407.982540][ T6065] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 407.987528][ T6065] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 407.992696][ T6065] css_populate_dir+0x137/0x370 [ 407.997612][ T6065] cgroup_apply_control_enable+0x629/0x12e0 [ 408.003482][ T6065] cgroup_apply_control+0x93/0x710 [ 408.008563][ T6065] ? css_next_child+0x160/0x160 [ 408.013379][ T6065] ? stack_trace_save+0x12d/0x1f0 [ 408.018367][ T6065] ? io_schedule+0x120/0x120 [ 408.022930][ T6065] ? kernfs_fop_write_iter+0x15e/0x410 [ 408.028356][ T6065] ? __kasan_check_write+0x14/0x20 [ 408.033432][ T6065] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 408.038685][ T6065] cgroup_subtree_control_write+0xd19/0x1310 [ 408.044630][ T6065] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 408.050577][ T6065] ? __kasan_check_write+0x14/0x20 [ 408.055653][ T6065] ? _copy_from_iter+0x3fb/0xd60 [ 408.060557][ T6065] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 408.066504][ T6065] cgroup_file_write+0x28e/0x590 [ 408.071411][ T6065] ? cgroup_seqfile_stop+0xc0/0xc0 [ 408.076484][ T6065] ? mutex_lock+0xa6/0x110 [ 408.080865][ T6065] ? mutex_trylock+0xb0/0xb0 [ 408.085423][ T6065] ? __kasan_check_write+0x14/0x20 [ 408.090515][ T6065] kernfs_fop_write_iter+0x2d0/0x410 [ 408.096009][ T6065] ? cgroup_seqfile_stop+0xc0/0xc0 [ 408.101096][ T6065] vfs_write+0xc1c/0xf40 [ 408.105305][ T6065] ? slab_free_freelist_hook+0xcc/0x1a0 [ 408.110822][ T6065] ? kernel_write+0x3c0/0x3c0 [ 408.115471][ T6065] ? do_sys_openat2+0x397/0x470 [ 408.120288][ T6065] ? __kasan_check_read+0x11/0x20 [ 408.125283][ T6065] ? __fdget_pos+0x27e/0x310 [ 408.129854][ T6065] ksys_write+0x198/0x2c0 [ 408.134150][ T6065] ? __ia32_sys_read+0x90/0x90 [ 408.138883][ T6065] ? debug_smp_processor_id+0x17/0x20 [ 408.144222][ T6065] __x64_sys_write+0x7b/0x90 [ 408.148955][ T6065] do_syscall_64+0x34/0x70 [ 408.153337][ T6065] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 408.159287][ T6065] RIP: 0033:0x7f777aae6c09 [ 408.163671][ T6065] 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 [ 408.183244][ T6065] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 408.191622][ T6065] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 408.199570][ T6065] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 408.207516][ T6065] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 408.215542][ T6065] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 408.223479][ T6065] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000001 [ 408.231866][ T6065] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 408.239031][ T6065] !!!! control_disable control_disable ss name cpu [ 408.245643][ T6065] !!!! control_disable control_disable ss name memory [ 408.252678][ T6065] !!!! control_disable control_disable ss name pids [ 408.259275][ T6065] !!!! control_disable kill_css(ffff8881219f1c00) [ 408.265908][ T6065] !!!! control_disable control_disable ss name cpu [ 408.272454][ T6065] !!!! control_disable control_disable ss name memory [ 408.279362][ T6065] !!!! control_disable control_disable ss name pids [ 408.286156][ T6065] !!!! control_disable kill_css(ffff8881219f1000) [ 408.291344][ C0] !!!! css_killed_ref_fn enqueue(ffff8881219f1c00) [ 408.292744][ T6065] !!!! control_disable control_disable ss name cpu [ 408.305773][ T6065] !!!! control_disable control_disable ss name memory [ 408.312539][ T6065] !!!! control_disable control_disable ss name pids [ 408.319455][ T6065] !!!! control_disable kill_css(ffff8881164ce000) [ 408.325953][ T6065] !!!! control_disable control_disable ss name cpu [ 408.332455][ T6065] !!!! control_disable control_disable ss name memory [ 408.339195][ T6065] !!!! control_disable control_disable ss name cpu [ 408.345680][ T6065] !!!! control_disable control_disable ss name memory [ 408.352435][ T6065] !!!! control_disable control_disable ss name cpu [ 408.358916][ T6065] !!!! control_disable control_disable ss name memory [ 408.365679][ T6065] !!!! control_disable control_disable ss name cpu [ 408.372170][ T6065] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 408.378899][ T6065] !!!! control_disable control_disable ss name pids [ 408.385478][ T6065] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 408.385752][ T74] !!!! css_killed_work_fn css_put(ffff8881219f1c00) [ 408.411336][ C1] !!!! css_killed_ref_fn enqueue(ffff8881219f1000) [ 408.418110][ T6076] !!!! css_killed_work_fn css_put(ffff8881219f1000) [ 408.451335][ C1] !!!! css_killed_ref_fn enqueue(ffff8881164ce000) [ 408.458109][ T6076] !!!! css_killed_work_fn css_put(ffff8881164ce000) [ 408.464912][ T6080] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 408.464924][ T6062] !!!! css_create css ffff888111c60400 !!!! [ 408.477332][ T6062] !!!! css_create css ffff888111c63c00 !!!! [ 408.483250][ T6062] !!!! css_create css ffff888111c62000 !!!! [ 408.489172][ T6062] FAULT_INJECTION: forcing a failure. [ 408.489172][ T6062] name failslab, interval 1, probability 0, space 0, times 0 [ 408.501884][ T6062] CPU: 0 PID: 6062 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 408.513680][ T6062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.523706][ T6062] Call Trace: [ 408.526967][ T6062] dump_stack_lvl+0x1e2/0x24b [ 408.531615][ T6062] ? bfq_pos_tree_add_move+0x43e/0x43e [ 408.537048][ T6062] ? serial8250_console_write+0xae0/0xe60 [ 408.542739][ T6062] ? record_print_text+0x266/0x420 [ 408.547926][ T6062] dump_stack+0x15/0x17 [ 408.552061][ T6062] should_fail+0x3c0/0x510 [ 408.556450][ T6062] ? __kernfs_new_node+0x99/0x6e0 [ 408.561444][ T6062] __should_failslab+0x9f/0xe0 [ 408.566180][ T6062] should_failslab+0x9/0x20 [ 408.570710][ T6062] __kmalloc_track_caller+0x5f/0x350 [ 408.575994][ T6062] kstrdup_const+0x55/0x90 [ 408.580395][ T6062] __kernfs_new_node+0x99/0x6e0 [ 408.585221][ T6062] ? stack_trace_save+0x1f0/0x1f0 [ 408.590216][ T6062] ? kernfs_new_node+0x170/0x170 [ 408.595124][ T6062] ? ptr_to_hashval+0x60/0x60 [ 408.599777][ T6062] ? snprintf+0xd6/0x120 [ 408.603997][ T6062] kernfs_new_node+0x97/0x170 [ 408.608669][ T6062] __kernfs_create_file+0x4a/0x270 [ 408.613771][ T6062] cgroup_addrm_files+0xab8/0xfe0 [ 408.618767][ T6062] ? cgroup_apply_control_enable+0x734/0x12e0 [ 408.624807][ T6062] ? cgroup_apply_control+0x93/0x710 [ 408.630321][ T6062] ? cgroup_subtree_control_write+0xd19/0x1310 [ 408.636444][ T6062] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 408.642567][ T6062] ? delete_node+0x759/0x7b0 [ 408.647148][ T6062] ? __kasan_check_read+0x11/0x20 [ 408.652154][ T6062] ? delete_node+0x759/0x7b0 [ 408.656730][ T6062] ? __kasan_check_write+0x14/0x20 [ 408.661810][ T6062] ? __radix_tree_replace+0x246/0x2e0 [ 408.667153][ T6062] ? idr_get_next+0x4b0/0x4b0 [ 408.672242][ T6062] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 408.677235][ T6062] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 408.682403][ T6062] css_populate_dir+0x137/0x370 [ 408.687229][ T6062] cgroup_apply_control_enable+0x629/0x12e0 [ 408.693094][ T6062] cgroup_apply_control+0x93/0x710 [ 408.698188][ T6062] ? css_next_child+0x160/0x160 [ 408.703017][ T6062] ? stack_trace_save+0x12d/0x1f0 [ 408.708015][ T6062] ? io_schedule+0x120/0x120 [ 408.712592][ T6062] ? kernfs_fop_write_iter+0x15e/0x410 [ 408.718032][ T6062] ? __kasan_check_write+0x14/0x20 [ 408.723121][ T6062] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 408.728498][ T6062] cgroup_subtree_control_write+0xd19/0x1310 [ 408.734469][ T6062] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 408.740428][ T6062] ? __kasan_check_write+0x14/0x20 [ 408.745521][ T6062] ? _copy_from_iter+0x3fb/0xd60 [ 408.750436][ T6062] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 408.756821][ T6062] cgroup_file_write+0x28e/0x590 [ 408.761905][ T6062] ? cgroup_seqfile_stop+0xc0/0xc0 [ 408.766994][ T6062] ? mutex_lock+0xa6/0x110 [ 408.771383][ T6062] ? mutex_trylock+0xb0/0xb0 [ 408.775947][ T6062] ? __kasan_check_write+0x14/0x20 [ 408.781030][ T6062] kernfs_fop_write_iter+0x2d0/0x410 [ 408.786286][ T6062] ? cgroup_seqfile_stop+0xc0/0xc0 [ 408.791524][ T6062] vfs_write+0xc1c/0xf40 [ 408.795746][ T6062] ? slab_free_freelist_hook+0xcc/0x1a0 [ 408.801266][ T6062] ? kernel_write+0x3c0/0x3c0 [ 408.805918][ T6062] ? do_sys_openat2+0x397/0x470 [ 408.810747][ T6062] ? __kasan_check_read+0x11/0x20 [ 408.815745][ T6062] ? __fdget_pos+0x27e/0x310 [ 408.820326][ T6062] ksys_write+0x198/0x2c0 [ 408.824627][ T6062] ? __ia32_sys_read+0x90/0x90 [ 408.829362][ T6062] ? debug_smp_processor_id+0x17/0x20 [ 408.834705][ T6062] __x64_sys_write+0x7b/0x90 [ 408.839278][ T6062] do_syscall_64+0x34/0x70 [ 408.843771][ T6062] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 408.849633][ T6062] RIP: 0033:0x7f777aae6c09 [ 408.854024][ T6062] 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 [ 408.874050][ T6062] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 408.882459][ T6062] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 408.890514][ T6062] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 408.898479][ T6062] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 408.906456][ T6062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 408.914498][ T6062] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000000 [ 408.922611][ T6062] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 408.929700][ T6062] !!!! control_disable control_disable ss name cpu [ 408.936326][ T6062] !!!! control_disable control_disable ss name memory [ 408.943125][ T6062] !!!! control_disable control_disable ss name pids [ 408.949740][ T6062] !!!! control_disable kill_css(ffff888111c60400) [ 408.956336][ T6062] !!!! control_disable control_disable ss name cpu [ 408.962888][ T6062] !!!! control_disable control_disable ss name memory [ 408.969667][ T6062] !!!! control_disable control_disable ss name pids [ 408.976827][ T6062] !!!! control_disable kill_css(ffff888111c63c00) [ 408.983451][ T6062] !!!! control_disable control_disable ss name cpu [ 408.983503][ C0] !!!! css_killed_ref_fn enqueue(ffff888111c60400) [ 408.989965][ T6062] !!!! control_disable control_disable ss name memory [ 409.003294][ T6062] !!!! control_disable control_disable ss name pids [ 409.009851][ T6062] !!!! control_disable kill_css(ffff888111c62000) [ 409.017224][ T6062] !!!! control_disable control_disable ss name cpu [ 409.023734][ C1] !!!! css_killed_ref_fn enqueue(ffff888111c63c00) [ 409.030320][ T6062] !!!! control_disable control_disable ss name memory [ 409.037168][ T6062] !!!! control_disable control_disable ss name cpu [ 409.043662][ T6062] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 409.050389][ T6062] !!!! control_disable control_disable ss name cpu [ 409.056887][ T6062] !!!! control_disable control_disable ss name memory [ 409.063642][ T6062] !!!! control_disable control_disable ss name cpu [ 409.070127][ T6062] !!!! control_disable control_disable ss name memory [ 409.076878][ T6062] !!!! control_disable control_disable ss name pids [ 409.083501][ T6062] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 409.083513][ T74] !!!! css_killed_work_fn css_put(ffff888111c60400) [ 409.092116][ C1] !!!! css_killed_ref_fn enqueue(ffff888111c62000) [ 409.103571][ T6076] !!!! css_killed_work_fn css_put(ffff888111c63c00) [ 409.110232][ T6076] !!!! css_killed_work_fn css_put(ffff888111c62000) [ 409.117445][ T6059] !!!! css_create css ffff88811796d400 !!!! [ 409.123677][ T6059] !!!! css_create css ffff888109fcc800 !!!! [ 409.129603][ T6059] !!!! css_create css ffff888109fcc400 !!!! [ 409.135738][ T6059] FAULT_INJECTION: forcing a failure. [ 409.135738][ T6059] name failslab, interval 1, probability 0, space 0, times 0 [ 409.148601][ T6059] CPU: 1 PID: 6059 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 409.160392][ T6059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.170717][ T6059] Call Trace: [ 409.173994][ T6059] dump_stack_lvl+0x1e2/0x24b [ 409.178651][ T6059] ? bfq_pos_tree_add_move+0x43e/0x43e [ 409.184094][ T6059] ? find_next_bit+0xd6/0x120 [ 409.188749][ T6059] ? cpumask_next+0x11/0x30 [ 409.193222][ T6059] dump_stack+0x15/0x17 [ 409.197408][ T6059] should_fail+0x3c0/0x510 [ 409.201794][ T6059] ? percpu_ref_init+0xd0/0x330 [ 409.206620][ T6059] __should_failslab+0x9f/0xe0 [ 409.211355][ T6059] should_failslab+0x9/0x20 [ 409.215826][ T6059] kmem_cache_alloc_trace+0x3a/0x330 [ 409.221098][ T6059] percpu_ref_init+0xd0/0x330 [ 409.225753][ T6059] ? cgroup_setup_root+0xea0/0xea0 [ 409.230834][ T6059] cgroup_apply_control_enable+0x734/0x12e0 [ 409.236695][ T6059] cgroup_apply_control+0x93/0x710 [ 409.241774][ T6059] ? css_next_child+0x160/0x160 [ 409.246623][ T6059] ? stack_trace_save+0x12d/0x1f0 [ 409.252423][ T6059] ? io_schedule+0x120/0x120 [ 409.256985][ T6059] ? kernfs_fop_write_iter+0x15e/0x410 [ 409.262418][ T6059] ? __kasan_check_write+0x14/0x20 [ 409.267507][ T6059] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 409.273282][ T6059] cgroup_subtree_control_write+0xd19/0x1310 [ 409.279244][ T6059] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 409.285217][ T6059] ? __kasan_check_write+0x14/0x20 [ 409.290387][ T6059] ? _copy_from_iter+0x3fb/0xd60 [ 409.295294][ T6059] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 409.301333][ T6059] cgroup_file_write+0x28e/0x590 [ 409.306480][ T6059] ? cgroup_seqfile_stop+0xc0/0xc0 [ 409.311775][ T6059] ? mutex_lock+0xa6/0x110 [ 409.316282][ T6059] ? mutex_trylock+0xb0/0xb0 [ 409.320850][ T6059] ? __kasan_check_write+0x14/0x20 [ 409.325934][ T6059] kernfs_fop_write_iter+0x2d0/0x410 [ 409.331192][ T6059] ? cgroup_seqfile_stop+0xc0/0xc0 [ 409.336274][ T6059] vfs_write+0xc1c/0xf40 [ 409.340662][ T6059] ? slab_free_freelist_hook+0xcc/0x1a0 [ 409.347313][ T6059] ? kernel_write+0x3c0/0x3c0 [ 409.352051][ T6059] ? do_sys_openat2+0x397/0x470 [ 409.356895][ T6059] ? __kasan_check_read+0x11/0x20 [ 409.361899][ T6059] ? __fdget_pos+0x27e/0x310 [ 409.366471][ T6059] ksys_write+0x198/0x2c0 [ 409.370773][ T6059] ? __ia32_sys_read+0x90/0x90 [ 409.375682][ T6059] ? debug_smp_processor_id+0x17/0x20 [ 409.381032][ T6059] __x64_sys_write+0x7b/0x90 [ 409.385767][ T6059] do_syscall_64+0x34/0x70 [ 409.390171][ T6059] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 409.396407][ T6059] RIP: 0033:0x7f777aae6c09 [ 409.400893][ T6059] 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 [ 409.420650][ T6059] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 409.429055][ T6059] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 409.437007][ T6059] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 409.445151][ T6059] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 409.453377][ T6059] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 409.461697][ T6059] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000000 [ 409.469944][ T6059] !!!! css_create rcu_enqueue(ffff888109fcc400) !!!! [ 409.476841][ T6059] !!!! control_disable control_disable ss name cpu [ 409.483401][ T6059] !!!! control_disable control_disable ss name memory [ 409.490231][ T6059] !!!! control_disable control_disable ss name pids [ 409.496930][ T6059] !!!! control_disable kill_css(ffff88811796d400) [ 409.503587][ T6059] !!!! control_disable control_disable ss name cpu [ 409.510140][ T6059] !!!! control_disable control_disable ss name memory [ 409.517923][ T6059] !!!! control_disable control_disable ss name pids [ 409.525248][ T6059] !!!! control_disable kill_css(ffff888109fcc800) [ 409.531872][ T6059] !!!! control_disable control_disable ss name cpu [ 409.538489][ T6059] !!!! control_disable control_disable ss name memory [ 409.545269][ C0] !!!! css_killed_ref_fn enqueue(ffff88811796d400) [ 409.551908][ T6059] !!!! control_disable control_disable ss name cpu [ 409.558409][ T6059] !!!! control_disable control_disable ss name memory [ 409.565211][ T6059] !!!! control_disable control_disable ss name cpu [ 409.571801][ C0] !!!! css_killed_ref_fn enqueue(ffff888109fcc800) [ 409.578397][ T6059] !!!! control_disable control_disable ss name memory [ 409.585183][ T6059] !!!! control_disable control_disable ss name cpu [ 409.591689][ T6059] !!!! control_disable control_disable ss name memory [ 409.598685][ T6059] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 409.605179][ T6059] !!!! control_disable control_disable ss name memory [ 409.611961][ T6059] !!!! control_disable control_disable ss name pids [ 409.618631][ T6059] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 409.618737][ T74] !!!! css_killed_work_fn css_put(ffff88811796d400) [ 409.631912][ T74] !!!! css_killed_work_fn css_put(ffff888109fcc800) [ 409.638667][ T6080] !!!! css_create css ffff88811b34fc00 !!!! [ 409.644813][ T6080] !!!! css_create css ffff88810cebd000 !!!! [ 409.650772][ T6080] !!!! css_create css ffff88810cebd800 !!!! [ 409.656852][ T6080] FAULT_INJECTION: forcing a failure. [ 409.656852][ T6080] name failslab, interval 1, probability 0, space 0, times 0 [ 409.669542][ T6080] CPU: 1 PID: 6080 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 409.681494][ T6080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.691521][ T6080] Call Trace: [ 409.694834][ T6080] dump_stack_lvl+0x1e2/0x24b [ 409.699487][ T6080] ? panic+0x7d7/0x7d7 [ 409.703519][ T6080] ? bfq_pos_tree_add_move+0x43e/0x43e [ 409.708945][ T6080] ? __kasan_check_write+0x14/0x20 [ 409.714021][ T6080] ? __switch_to+0x5e4/0x1220 [ 409.718663][ T6080] dump_stack+0x15/0x17 [ 409.722783][ T6080] should_fail+0x3c0/0x510 [ 409.727187][ T6080] __should_failslab+0x9f/0xe0 [ 409.731924][ T6080] should_failslab+0x9/0x20 [ 409.736395][ T6080] kmem_cache_alloc+0x3f/0x300 [ 409.741378][ T6080] ? __kernfs_new_node+0xdb/0x6e0 [ 409.746375][ T6080] __kernfs_new_node+0xdb/0x6e0 [ 409.751191][ T6080] ? stack_trace_save+0x1f0/0x1f0 [ 409.756583][ T6080] ? kernfs_new_node+0x170/0x170 [ 409.761495][ T6080] ? ptr_to_hashval+0x60/0x60 [ 409.766138][ T6080] ? snprintf+0xd6/0x120 [ 409.770347][ T6080] kernfs_new_node+0x97/0x170 [ 409.774989][ T6080] __kernfs_create_file+0x4a/0x270 [ 409.780101][ T6080] cgroup_addrm_files+0xab8/0xfe0 [ 409.785107][ T6080] ? cgroup_apply_control_enable+0x734/0x12e0 [ 409.791145][ T6080] ? cgroup_apply_control+0x93/0x710 [ 409.796402][ T6080] ? cgroup_subtree_control_write+0xd19/0x1310 [ 409.802529][ T6080] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 409.808663][ T6080] ? delete_node+0x759/0x7b0 [ 409.813316][ T6080] ? __kasan_check_read+0x11/0x20 [ 409.818316][ T6080] ? delete_node+0x759/0x7b0 [ 409.822877][ T6080] ? __kasan_check_write+0x14/0x20 [ 409.827961][ T6080] ? __radix_tree_replace+0x246/0x2e0 [ 409.833303][ T6080] ? idr_get_next+0x4b0/0x4b0 [ 409.837946][ T6080] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 409.842933][ T6080] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 409.848618][ T6080] css_populate_dir+0x137/0x370 [ 409.853437][ T6080] cgroup_apply_control_enable+0x629/0x12e0 [ 409.859297][ T6080] cgroup_apply_control+0x93/0x710 [ 409.864374][ T6080] ? css_next_child+0x160/0x160 [ 409.869351][ T6080] ? stack_trace_save+0x12d/0x1f0 [ 409.874525][ T6080] ? io_schedule+0x120/0x120 [ 409.879087][ T6080] ? kernfs_fop_write_iter+0x15e/0x410 [ 409.884531][ T6080] ? __kasan_check_write+0x14/0x20 [ 409.889611][ T6080] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 409.894863][ T6080] cgroup_subtree_control_write+0xd19/0x1310 [ 409.900817][ T6080] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 409.907021][ T6080] ? __kasan_check_write+0x14/0x20 [ 409.912099][ T6080] ? _copy_from_iter+0x3fb/0xd60 [ 409.917020][ T6080] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 409.922963][ T6080] cgroup_file_write+0x28e/0x590 [ 409.927866][ T6080] ? cgroup_seqfile_stop+0xc0/0xc0 [ 409.932942][ T6080] ? mutex_lock+0xa6/0x110 [ 409.937325][ T6080] ? mutex_trylock+0xb0/0xb0 [ 409.941881][ T6080] ? __kasan_check_write+0x14/0x20 [ 409.946955][ T6080] kernfs_fop_write_iter+0x2d0/0x410 [ 409.952203][ T6080] ? cgroup_seqfile_stop+0xc0/0xc0 [ 409.957291][ T6080] vfs_write+0xc1c/0xf40 [ 409.961511][ T6080] ? slab_free_freelist_hook+0xcc/0x1a0 [ 409.967026][ T6080] ? kernel_write+0x3c0/0x3c0 [ 409.971668][ T6080] ? do_sys_openat2+0x397/0x470 [ 409.976484][ T6080] ? __kasan_check_read+0x11/0x20 [ 409.981486][ T6080] ? __fdget_pos+0x27e/0x310 [ 409.986048][ T6080] ksys_write+0x198/0x2c0 [ 409.990350][ T6080] ? __ia32_sys_read+0x90/0x90 [ 409.995182][ T6080] ? debug_smp_processor_id+0x17/0x20 [ 410.000522][ T6080] __x64_sys_write+0x7b/0x90 [ 410.005078][ T6080] do_syscall_64+0x34/0x70 [ 410.009460][ T6080] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 410.015317][ T6080] RIP: 0033:0x7f777aae6c09 [ 410.019704][ T6080] 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 [ 410.039459][ T6080] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 410.047842][ T6080] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 410.055784][ T6080] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 410.063724][ T6080] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 410.071663][ T6080] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 410.079606][ T6080] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000001 [ 410.087821][ T6080] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 410.095016][ T6080] !!!! control_disable control_disable ss name cpu [ 410.101595][ T6080] !!!! control_disable control_disable ss name memory [ 410.108365][ T6080] !!!! control_disable control_disable ss name pids [ 410.114999][ T6080] !!!! control_disable kill_css(ffff88811b34fc00) [ 410.121570][ T6080] !!!! control_disable control_disable ss name cpu [ 410.128092][ T6080] !!!! control_disable control_disable ss name memory [ 410.134962][ T6080] !!!! control_disable control_disable ss name pids [ 410.141620][ T6080] !!!! control_disable kill_css(ffff88810cebd000) [ 410.148151][ T6080] !!!! control_disable control_disable ss name cpu [ 410.154659][ C0] !!!! css_killed_ref_fn enqueue(ffff88811b34fc00) [ 410.161250][ T6080] !!!! control_disable control_disable ss name memory [ 410.168005][ T6080] !!!! control_disable control_disable ss name pids [ 410.174593][ T6080] !!!! control_disable kill_css(ffff88810cebd800) [ 410.181076][ T6080] !!!! control_disable control_disable ss name cpu [ 410.187578][ T6080] !!!! control_disable control_disable ss name memory [ 410.194325][ T6080] !!!! control_disable control_disable ss name cpu [ 410.200790][ T6080] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 410.207536][ T6080] !!!! control_disable control_disable ss name cpu [ 410.214057][ T6080] !!!! control_disable control_disable ss name memory [ 410.221058][ T6080] !!!! control_disable control_disable ss name cpu [ 410.227563][ T6080] !!!! control_disable control_disable ss name memory [ 410.234314][ T6080] !!!! control_disable control_disable ss name pids [ 410.241095][ T6080] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.247608][ T74] !!!! css_killed_work_fn css_put(ffff88811b34fc00) [ 410.254297][ C0] !!!! css_killed_ref_fn enqueue(ffff88810cebd000) [ 410.261019][ T74] !!!! css_killed_work_fn css_put(ffff88810cebd000) [ 410.268053][ C0] !!!! css_killed_ref_fn enqueue(ffff88810cebd800) [ 410.274792][ T74] !!!! css_killed_work_fn css_put(ffff88810cebd800) [ 410.281543][ T6082] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.281558][ T6081] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.288170][ T6082] !!!! css_create css ffff88811090bc00 !!!! [ 410.300460][ T6082] !!!! css_create css ffff88811090a000 !!!! [ 410.306419][ T6082] !!!! css_create css ffff88810cd75400 !!!! [ 410.312401][ T6082] FAULT_INJECTION: forcing a failure. [ 410.312401][ T6082] name failslab, interval 1, probability 0, space 0, times 0 [ 410.325018][ T6082] CPU: 1 PID: 6082 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 410.336705][ T6082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.346729][ T6082] Call Trace: [ 410.349996][ T6082] dump_stack_lvl+0x1e2/0x24b [ 410.354651][ T6082] ? panic+0x7d7/0x7d7 [ 410.358696][ T6082] ? bfq_pos_tree_add_move+0x43e/0x43e [ 410.364123][ T6082] ? __kasan_check_write+0x14/0x20 [ 410.369204][ T6082] ? __switch_to+0x5e4/0x1220 [ 410.373902][ T6082] dump_stack+0x15/0x17 [ 410.378029][ T6082] should_fail+0x3c0/0x510 [ 410.382414][ T6082] __should_failslab+0x9f/0xe0 [ 410.387146][ T6082] should_failslab+0x9/0x20 [ 410.391617][ T6082] kmem_cache_alloc+0x3f/0x300 [ 410.396348][ T6082] ? __kernfs_new_node+0xdb/0x6e0 [ 410.401347][ T6082] __kernfs_new_node+0xdb/0x6e0 [ 410.406167][ T6082] ? stack_trace_save+0x1f0/0x1f0 [ 410.411160][ T6082] ? kernfs_new_node+0x170/0x170 [ 410.416066][ T6082] ? ptr_to_hashval+0x60/0x60 [ 410.420711][ T6082] ? snprintf+0xd6/0x120 [ 410.424929][ T6082] kernfs_new_node+0x97/0x170 [ 410.429584][ T6082] __kernfs_create_file+0x4a/0x270 [ 410.434663][ T6082] cgroup_addrm_files+0xab8/0xfe0 [ 410.439657][ T6082] ? cgroup_apply_control_enable+0x734/0x12e0 [ 410.445694][ T6082] ? cgroup_apply_control+0x93/0x710 [ 410.450960][ T6082] ? cgroup_subtree_control_write+0xd19/0x1310 [ 410.457087][ T6082] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 410.463210][ T6082] ? delete_node+0x759/0x7b0 [ 410.468031][ T6082] ? __kasan_check_read+0x11/0x20 [ 410.473036][ T6082] ? delete_node+0x759/0x7b0 [ 410.477603][ T6082] ? __kasan_check_write+0x14/0x20 [ 410.482685][ T6082] ? __radix_tree_replace+0x246/0x2e0 [ 410.488028][ T6082] ? idr_get_next+0x4b0/0x4b0 [ 410.492689][ T6082] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 410.497683][ T6082] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 410.502850][ T6082] css_populate_dir+0x137/0x370 [ 410.507668][ T6082] cgroup_apply_control_enable+0x629/0x12e0 [ 410.513620][ T6082] cgroup_apply_control+0x93/0x710 [ 410.518791][ T6082] ? css_next_child+0x160/0x160 [ 410.523616][ T6082] ? stack_trace_save+0x12d/0x1f0 [ 410.528608][ T6082] ? io_schedule+0x120/0x120 [ 410.533165][ T6082] ? kernfs_fop_write_iter+0x15e/0x410 [ 410.538607][ T6082] ? __kasan_check_write+0x14/0x20 [ 410.543698][ T6082] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 410.548951][ T6082] cgroup_subtree_control_write+0xd19/0x1310 [ 410.554898][ T6082] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 410.560847][ T6082] ? __kasan_check_write+0x14/0x20 [ 410.565928][ T6082] ? _copy_from_iter+0x3fb/0xd60 [ 410.570833][ T6082] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 410.576787][ T6082] cgroup_file_write+0x28e/0x590 [ 410.581694][ T6082] ? cgroup_seqfile_stop+0xc0/0xc0 [ 410.586778][ T6082] ? mutex_lock+0xa6/0x110 [ 410.591163][ T6082] ? mutex_trylock+0xb0/0xb0 [ 410.595721][ T6082] ? __kasan_check_write+0x14/0x20 [ 410.600891][ T6082] kernfs_fop_write_iter+0x2d0/0x410 [ 410.606150][ T6082] ? cgroup_seqfile_stop+0xc0/0xc0 [ 410.611230][ T6082] vfs_write+0xc1c/0xf40 [ 410.615528][ T6082] ? slab_free_freelist_hook+0xcc/0x1a0 [ 410.621041][ T6082] ? kernel_write+0x3c0/0x3c0 [ 410.625691][ T6082] ? do_sys_openat2+0x397/0x470 [ 410.630515][ T6082] ? __kasan_check_read+0x11/0x20 [ 410.635515][ T6082] ? __fdget_pos+0x27e/0x310 [ 410.640080][ T6082] ksys_write+0x198/0x2c0 [ 410.644376][ T6082] ? __ia32_sys_read+0x90/0x90 [ 410.649109][ T6082] ? debug_smp_processor_id+0x17/0x20 [ 410.654469][ T6082] __x64_sys_write+0x7b/0x90 [ 410.659041][ T6082] do_syscall_64+0x34/0x70 [ 410.663434][ T6082] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 410.669300][ T6082] RIP: 0033:0x7f777aae6c09 [ 410.673687][ T6082] 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 [ 410.693268][ T6082] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 410.701648][ T6082] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 410.709590][ T6082] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 410.717536][ T6082] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 410.725482][ T6082] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 410.733430][ T6082] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000001 [ 410.741575][ T6082] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 410.748640][ T6082] !!!! control_disable control_disable ss name cpu [ 410.755181][ T6082] !!!! control_disable control_disable ss name memory [ 410.761971][ T6082] !!!! control_disable control_disable ss name pids [ 410.768762][ T6082] !!!! control_disable kill_css(ffff88811090bc00) [ 410.775427][ T6082] !!!! control_disable control_disable ss name cpu [ 410.782058][ T6082] !!!! control_disable control_disable ss name memory [ 410.788924][ T6082] !!!! control_disable control_disable ss name pids [ 410.795605][ T6082] !!!! control_disable kill_css(ffff88811090a000) [ 410.802098][ C0] !!!! css_killed_ref_fn enqueue(ffff88811090bc00) [ 410.808700][ T6082] !!!! control_disable control_disable ss name cpu [ 410.815219][ T6082] !!!! control_disable control_disable ss name memory [ 410.822069][ T6082] !!!! control_disable control_disable ss name pids [ 410.828626][ T6082] !!!! control_disable kill_css(ffff88810cd75400) [ 410.835128][ T6082] !!!! control_disable control_disable ss name cpu [ 410.841623][ T6082] !!!! control_disable control_disable ss name memory [ 410.848349][ T6082] !!!! control_disable control_disable ss name cpu [ 410.854840][ T6082] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 410.861678][ T6082] !!!! control_disable control_disable ss name cpu [ 410.868147][ T6082] !!!! control_disable control_disable ss name memory [ 410.874896][ T6082] !!!! control_disable control_disable ss name cpu [ 410.881381][ T6082] !!!! control_disable control_disable ss name memory [ 410.888119][ T6082] !!!! control_disable control_disable ss name pids [ 410.894696][ T6082] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.901183][ T74] !!!! css_killed_work_fn css_put(ffff88811090bc00) [ 410.908077][ C0] !!!! css_killed_ref_fn enqueue(ffff88811090a000) [ 410.914688][ T74] !!!! css_killed_work_fn css_put(ffff88811090a000) [ 410.921368][ C0] !!!! css_killed_ref_fn enqueue(ffff88810cd75400) [ 410.928064][ T74] !!!! css_killed_work_fn css_put(ffff88810cd75400) [ 410.934874][ T6063] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.934983][ T6085] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.941582][ T6064] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.948084][ T6085] !!!! css_create css ffff88810c451800 !!!! [ 410.960465][ T6085] !!!! css_create css ffff88810c453400 !!!! [ 410.966458][ T6085] !!!! css_create css ffff88810c450c00 !!!! [ 410.972462][ T6085] FAULT_INJECTION: forcing a failure. [ 410.972462][ T6085] name failslab, interval 1, probability 0, space 0, times 0 [ 410.985245][ T6085] CPU: 1 PID: 6085 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 410.996934][ T6085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.006964][ T6085] Call Trace: [ 411.010249][ T6085] dump_stack_lvl+0x1e2/0x24b [ 411.014904][ T6085] ? bfq_pos_tree_add_move+0x43e/0x43e [ 411.020335][ T6085] ? __sched_text_start+0x8/0x8 [ 411.025166][ T6085] dump_stack+0x15/0x17 [ 411.029298][ T6085] should_fail+0x3c0/0x510 [ 411.033684][ T6085] ? __kernfs_new_node+0x99/0x6e0 [ 411.038684][ T6085] __should_failslab+0x9f/0xe0 [ 411.043462][ T6085] should_failslab+0x9/0x20 [ 411.047940][ T6085] __kmalloc_track_caller+0x5f/0x350 [ 411.053195][ T6085] kstrdup_const+0x55/0x90 [ 411.057593][ T6085] __kernfs_new_node+0x99/0x6e0 [ 411.062548][ T6085] ? kernfs_new_node+0x170/0x170 [ 411.067487][ T6085] ? ptr_to_hashval+0x60/0x60 [ 411.072139][ T6085] ? snprintf+0xd6/0x120 [ 411.076373][ T6085] kernfs_new_node+0x97/0x170 [ 411.081026][ T6085] __kernfs_create_file+0x4a/0x270 [ 411.086107][ T6085] cgroup_addrm_files+0xab8/0xfe0 [ 411.091106][ T6085] ? cgroup_apply_control_enable+0x734/0x12e0 [ 411.097158][ T6085] ? cgroup_apply_control+0x93/0x710 [ 411.102522][ T6085] ? cgroup_subtree_control_write+0xd19/0x1310 [ 411.108649][ T6085] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 411.114779][ T6085] ? delete_node+0x759/0x7b0 [ 411.119367][ T6085] ? __kasan_check_read+0x11/0x20 [ 411.124369][ T6085] ? delete_node+0x759/0x7b0 [ 411.128934][ T6085] ? __kasan_check_write+0x14/0x20 [ 411.134199][ T6085] ? __radix_tree_replace+0x246/0x2e0 [ 411.139631][ T6085] ? idr_get_next+0x4b0/0x4b0 [ 411.144279][ T6085] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 411.149279][ T6085] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 411.154451][ T6085] css_populate_dir+0x137/0x370 [ 411.159272][ T6085] cgroup_apply_control_enable+0x629/0x12e0 [ 411.165135][ T6085] cgroup_apply_control+0x93/0x710 [ 411.170218][ T6085] ? css_next_child+0x160/0x160 [ 411.175035][ T6085] ? stack_trace_save+0x12d/0x1f0 [ 411.180025][ T6085] ? io_schedule+0x120/0x120 [ 411.184586][ T6085] ? kernfs_fop_write_iter+0x15e/0x410 [ 411.190013][ T6085] ? __kasan_check_write+0x14/0x20 [ 411.195091][ T6085] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 411.200346][ T6085] cgroup_subtree_control_write+0xd19/0x1310 [ 411.206302][ T6085] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 411.212251][ T6085] ? __kasan_check_write+0x14/0x20 [ 411.217331][ T6085] ? _copy_from_iter+0x3fb/0xd60 [ 411.222347][ T6085] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 411.228301][ T6085] cgroup_file_write+0x28e/0x590 [ 411.233703][ T6085] ? cgroup_seqfile_stop+0xc0/0xc0 [ 411.238814][ T6085] ? mutex_lock+0xa6/0x110 [ 411.243225][ T6085] ? mutex_trylock+0xb0/0xb0 [ 411.247976][ T6085] ? __kasan_check_write+0x14/0x20 [ 411.253071][ T6085] kernfs_fop_write_iter+0x2d0/0x410 [ 411.258334][ T6085] ? cgroup_seqfile_stop+0xc0/0xc0 [ 411.263424][ T6085] vfs_write+0xc1c/0xf40 [ 411.267729][ T6085] ? slab_free_freelist_hook+0xcc/0x1a0 [ 411.273249][ T6085] ? kernel_write+0x3c0/0x3c0 [ 411.277916][ T6085] ? do_sys_openat2+0x397/0x470 [ 411.282742][ T6085] ? __kasan_check_read+0x11/0x20 [ 411.287737][ T6085] ? __fdget_pos+0x27e/0x310 [ 411.292298][ T6085] ksys_write+0x198/0x2c0 [ 411.296600][ T6085] ? __ia32_sys_read+0x90/0x90 [ 411.301350][ T6085] ? debug_smp_processor_id+0x17/0x20 [ 411.306786][ T6085] __x64_sys_write+0x7b/0x90 [ 411.311350][ T6085] do_syscall_64+0x34/0x70 [ 411.315740][ T6085] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 411.321615][ T6085] RIP: 0033:0x7f777aae6c09 [ 411.326010][ T6085] 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 [ 411.345594][ T6085] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 411.353980][ T6085] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 411.361950][ T6085] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 411.369896][ T6085] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 411.377841][ T6085] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 411.386402][ T6085] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000002 [ 411.394892][ T6085] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 411.402031][ T6085] !!!! control_disable control_disable ss name cpu [ 411.408513][ T6085] !!!! control_disable control_disable ss name memory [ 411.415379][ T6085] !!!! control_disable control_disable ss name pids [ 411.422086][ T6085] !!!! control_disable kill_css(ffff88810c451800) [ 411.428750][ T6085] !!!! control_disable control_disable ss name cpu [ 411.435324][ T6085] !!!! control_disable control_disable ss name memory [ 411.442144][ T6085] !!!! control_disable control_disable ss name pids [ 411.448755][ T6085] !!!! control_disable kill_css(ffff88810c453400) [ 411.455346][ T6085] !!!! control_disable control_disable ss name cpu [ 411.462032][ T6085] !!!! control_disable control_disable ss name memory [ 411.468810][ T6085] !!!! control_disable control_disable ss name pids [ 411.475569][ T6085] !!!! control_disable kill_css(ffff88810c450c00) [ 411.481341][ C0] !!!! css_killed_ref_fn enqueue(ffff88810c451800) [ 411.482194][ T6085] !!!! control_disable control_disable ss name cpu [ 411.491341][ C0] !!!! css_killed_ref_fn enqueue(ffff88810c453400) [ 411.495315][ T6085] !!!! control_disable control_disable ss name memory [ 411.508457][ T6085] !!!! control_disable control_disable ss name cpu [ 411.514950][ T6085] !!!! control_disable control_disable ss name memory [ 411.521934][ T6085] !!!! control_disable control_disable ss name cpu [ 411.528417][ T6085] !!!! control_disable control_disable ss name memory [ 411.535169][ T6085] !!!! control_disable control_disable ss name cpu [ 411.541651][ T6085] !!!! control_disable control_disable ss name memory [ 411.548377][ T6085] !!!! control_disable control_disable ss name pids [ 411.555091][ T74] !!!! css_killed_work_fn css_put(ffff88810c451800) write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 411.555190][ T6085] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 411.561921][ T74] !!!! css_killed_work_fn css_put(ffff88810c453400) [ 411.569772][ C1] !!!! css_killed_ref_fn enqueue(ffff88810c450c00) [ 411.581636][ T6075] !!!! css_killed_work_fn css_put(ffff88810c450c00) [ 411.589318][ T6083] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 411.590271][ T6087] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 411.595862][ T6084] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 411.602529][ T6087] !!!! css_create css ffff8881103e5800 !!!! [ 411.614786][ T6087] !!!! css_create css ffff8881103e7400 !!!! [ 411.620713][ T6087] FAULT_INJECTION: forcing a failure. [ 411.620713][ T6087] name failslab, interval 1, probability 0, space 0, times 0 [ 411.633450][ T6087] CPU: 0 PID: 6087 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 411.645319][ T6087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.655345][ T6087] Call Trace: [ 411.658611][ T6087] dump_stack_lvl+0x1e2/0x24b [ 411.663261][ T6087] ? panic+0x7d7/0x7d7 [ 411.667473][ T6087] ? bfq_pos_tree_add_move+0x43e/0x43e [ 411.672910][ T6087] dump_stack+0x15/0x17 [ 411.677132][ T6087] should_fail+0x3c0/0x510 [ 411.681517][ T6087] ? pids_css_alloc+0x4e/0x120 [ 411.686251][ T6087] __should_failslab+0x9f/0xe0 [ 411.690988][ T6087] should_failslab+0x9/0x20 [ 411.695469][ T6087] kmem_cache_alloc_trace+0x3a/0x330 [ 411.700722][ T6087] pids_css_alloc+0x4e/0x120 [ 411.705369][ T6087] cgroup_apply_control_enable+0x6d9/0x12e0 [ 411.711236][ T6087] cgroup_apply_control+0x93/0x710 [ 411.716314][ T6087] ? css_next_child+0x160/0x160 [ 411.721139][ T6087] ? stack_trace_save+0x12d/0x1f0 [ 411.726153][ T6087] ? io_schedule+0x120/0x120 [ 411.730714][ T6087] ? kernfs_fop_write_iter+0x15e/0x410 [ 411.736143][ T6087] ? __kasan_check_write+0x14/0x20 [ 411.741220][ T6087] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 411.746475][ T6087] cgroup_subtree_control_write+0xd19/0x1310 [ 411.752429][ T6087] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 411.758465][ T6087] ? __kasan_check_write+0x14/0x20 [ 411.763551][ T6087] ? _copy_from_iter+0x3fb/0xd60 [ 411.768557][ T6087] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 411.774510][ T6087] cgroup_file_write+0x28e/0x590 [ 411.779506][ T6087] ? cgroup_seqfile_stop+0xc0/0xc0 [ 411.784585][ T6087] ? mutex_lock+0xa6/0x110 [ 411.788969][ T6087] ? mutex_trylock+0xb0/0xb0 [ 411.793528][ T6087] ? __kasan_check_write+0x14/0x20 [ 411.798787][ T6087] kernfs_fop_write_iter+0x2d0/0x410 [ 411.804040][ T6087] ? cgroup_seqfile_stop+0xc0/0xc0 [ 411.809127][ T6087] vfs_write+0xc1c/0xf40 [ 411.813356][ T6087] ? slab_free_freelist_hook+0xcc/0x1a0 [ 411.818884][ T6087] ? kernel_write+0x3c0/0x3c0 [ 411.823541][ T6087] ? do_sys_openat2+0x397/0x470 [ 411.828363][ T6087] ? __kasan_check_read+0x11/0x20 [ 411.833356][ T6087] ? __fdget_pos+0x27e/0x310 [ 411.837916][ T6087] ksys_write+0x198/0x2c0 [ 411.842257][ T6087] ? __ia32_sys_read+0x90/0x90 [ 411.846990][ T6087] ? debug_smp_processor_id+0x17/0x20 [ 411.852461][ T6087] __x64_sys_write+0x7b/0x90 [ 411.857028][ T6087] do_syscall_64+0x34/0x70 [ 411.861414][ T6087] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 411.867272][ T6087] RIP: 0033:0x7f777aae6c09 [ 411.871842][ T6087] 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 [ 411.891417][ T6087] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 411.899799][ T6087] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 411.907740][ T6087] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 411.915683][ T6087] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 411.923625][ T6087] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 411.931566][ T6087] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000003 [ 411.939615][ T6087] !!!! css_create css fffffffffffffff4 !!!! [ 411.945511][ T6087] !!!! control_disable control_disable ss name cpu [ 411.952011][ T6087] !!!! control_disable control_disable ss name memory [ 411.958754][ T6087] !!!! control_disable control_disable ss name pids [ 411.965378][ T6087] !!!! control_disable kill_css(ffff8881103e5800) [ 411.971980][ T6087] !!!! control_disable control_disable ss name cpu [ 411.978470][ T6087] !!!! control_disable control_disable ss name memory [ 411.985267][ T6087] !!!! control_disable control_disable ss name pids [ 411.991888][ T6087] !!!! control_disable kill_css(ffff8881103e7400) [ 411.998417][ T6087] !!!! control_disable control_disable ss name cpu [ 412.004931][ C0] !!!! css_killed_ref_fn enqueue(ffff8881103e5800) [ 412.004960][ T6087] !!!! control_disable control_disable ss name memory [ 412.018342][ T6087] !!!! control_disable control_disable ss name cpu [ 412.024833][ T6087] !!!! control_disable control_disable ss name memory [ 412.031749][ T6087] !!!! control_disable control_disable ss name cpu [ 412.038220][ T6087] !!!! control_disable control_disable ss name memory [ 412.044967][ T6087] !!!! control_disable control_disable ss name cpu [ 412.051451][ T6087] !!!! control_disable control_disable ss name memory [ 412.058178][ T6087] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 412.064665][ T6087] !!!! control_disable control_disable ss name memory [ 412.071415][ T6087] !!!! control_disable control_disable ss name pids [ 412.077997][ T6087] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 412.078042][ T74] !!!! css_killed_work_fn css_put(ffff8881103e5800) [ 412.086196][ C1] !!!! css_killed_ref_fn enqueue(ffff8881103e7400) [ 412.098175][ T6076] !!!! css_killed_work_fn css_put(ffff8881103e7400) [ 412.105892][ T6081] !!!! css_create css ffff8881053df000 !!!! [ 412.111890][ T6081] !!!! css_create css ffff88811cb7a800 !!!! [ 412.117843][ T6081] !!!! css_create css ffff88811cb78000 !!!! [ 412.124147][ T6081] FAULT_INJECTION: forcing a failure. [ 412.124147][ T6081] name failslab, interval 1, probability 0, space 0, times 0 [ 412.136763][ T6081] CPU: 0 PID: 6081 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 412.148500][ T6081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.158524][ T6081] Call Trace: [ 412.161787][ T6081] dump_stack_lvl+0x1e2/0x24b [ 412.166444][ T6081] ? bfq_pos_tree_add_move+0x43e/0x43e [ 412.171872][ T6081] dump_stack+0x15/0x17 [ 412.175996][ T6081] should_fail+0x3c0/0x510 [ 412.180385][ T6081] ? __kernfs_new_node+0x99/0x6e0 [ 412.185380][ T6081] __should_failslab+0x9f/0xe0 [ 412.190109][ T6081] should_failslab+0x9/0x20 [ 412.194581][ T6081] __kmalloc_track_caller+0x5f/0x350 [ 412.199834][ T6081] kstrdup_const+0x55/0x90 [ 412.204232][ T6081] __kernfs_new_node+0x99/0x6e0 [ 412.209064][ T6081] ? stack_trace_save+0x1f0/0x1f0 [ 412.214062][ T6081] ? kernfs_new_node+0x170/0x170 [ 412.218970][ T6081] ? ptr_to_hashval+0x60/0x60 [ 412.223616][ T6081] ? snprintf+0xd6/0x120 [ 412.227827][ T6081] kernfs_new_node+0x97/0x170 [ 412.232554][ T6081] __kernfs_create_file+0x4a/0x270 [ 412.237636][ T6081] cgroup_addrm_files+0xab8/0xfe0 [ 412.242659][ T6081] ? cgroup_apply_control_enable+0x734/0x12e0 [ 412.248698][ T6081] ? cgroup_apply_control+0x93/0x710 [ 412.253955][ T6081] ? cgroup_subtree_control_write+0xd19/0x1310 [ 412.260164][ T6081] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 412.266288][ T6081] ? delete_node+0x759/0x7b0 [ 412.270847][ T6081] ? __kasan_check_read+0x11/0x20 [ 412.275920][ T6081] ? delete_node+0x759/0x7b0 [ 412.280501][ T6081] ? __kasan_check_write+0x14/0x20 [ 412.285599][ T6081] ? __radix_tree_replace+0x246/0x2e0 [ 412.290945][ T6081] ? idr_get_next+0x4b0/0x4b0 [ 412.295609][ T6081] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 412.300609][ T6081] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 412.305787][ T6081] css_populate_dir+0x137/0x370 [ 412.310620][ T6081] cgroup_apply_control_enable+0x629/0x12e0 [ 412.316493][ T6081] cgroup_apply_control+0x93/0x710 [ 412.321580][ T6081] ? css_next_child+0x160/0x160 [ 412.326405][ T6081] ? stack_trace_save+0x12d/0x1f0 [ 412.331486][ T6081] ? io_schedule+0x120/0x120 [ 412.336050][ T6081] ? kernfs_fop_write_iter+0x15e/0x410 [ 412.341478][ T6081] ? __kasan_check_write+0x14/0x20 [ 412.346558][ T6081] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 412.351811][ T6081] cgroup_subtree_control_write+0xd19/0x1310 [ 412.357760][ T6081] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 412.363715][ T6081] ? __kasan_check_write+0x14/0x20 [ 412.368796][ T6081] ? _copy_from_iter+0x3fb/0xd60 [ 412.373708][ T6081] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 412.379654][ T6081] cgroup_file_write+0x28e/0x590 [ 412.384567][ T6081] ? cgroup_seqfile_stop+0xc0/0xc0 [ 412.389646][ T6081] ? mutex_lock+0xa6/0x110 [ 412.394032][ T6081] ? mutex_trylock+0xb0/0xb0 [ 412.398593][ T6081] ? __kasan_check_write+0x14/0x20 [ 412.403673][ T6081] kernfs_fop_write_iter+0x2d0/0x410 [ 412.408925][ T6081] ? cgroup_seqfile_stop+0xc0/0xc0 [ 412.414010][ T6081] vfs_write+0xc1c/0xf40 [ 412.418220][ T6081] ? slab_free_freelist_hook+0xcc/0x1a0 [ 412.423734][ T6081] ? kernel_write+0x3c0/0x3c0 [ 412.428378][ T6081] ? do_sys_openat2+0x397/0x470 [ 412.433209][ T6081] ? __kasan_check_read+0x11/0x20 [ 412.438207][ T6081] ? __fdget_pos+0x27e/0x310 [ 412.443110][ T6081] ksys_write+0x198/0x2c0 [ 412.447709][ T6081] ? __ia32_sys_read+0x90/0x90 [ 412.452446][ T6081] ? debug_smp_processor_id+0x17/0x20 [ 412.457793][ T6081] __x64_sys_write+0x7b/0x90 [ 412.462430][ T6081] do_syscall_64+0x34/0x70 [ 412.466935][ T6081] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 412.472796][ T6081] RIP: 0033:0x7f777aae6c09 [ 412.477188][ T6081] 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 [ 412.496770][ T6081] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 412.505157][ T6081] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 412.513108][ T6081] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 412.521052][ T6081] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 412.529019][ T6081] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 412.536981][ T6081] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000002 [ 412.545057][ T6081] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 412.552135][ T6081] !!!! control_disable control_disable ss name cpu [ 412.558635][ T6081] !!!! control_disable control_disable ss name memory [ 412.565413][ T6081] !!!! control_disable control_disable ss name pids [ 412.572024][ T6081] !!!! control_disable kill_css(ffff8881053df000) [ 412.578561][ T6081] !!!! control_disable control_disable ss name cpu [ 412.585099][ T6081] !!!! control_disable control_disable ss name memory [ 412.591959][ T6081] !!!! control_disable control_disable ss name pids [ 412.598539][ T6081] !!!! control_disable kill_css(ffff88811cb7a800) [ 412.605103][ T6081] !!!! control_disable control_disable ss name cpu [ 412.611609][ C1] !!!! css_killed_ref_fn enqueue(ffff8881053df000) [ 412.618205][ T6081] !!!! control_disable control_disable ss name memory [ 412.624968][ T6081] !!!! control_disable control_disable ss name pids [ 412.631553][ T6081] !!!! control_disable kill_css(ffff88811cb78000) [ 412.638032][ T6081] !!!! control_disable control_disable ss name cpu [ 412.644614][ T6081] !!!! control_disable control_disable ss name memory [ 412.651364][ T6081] !!!! control_disable control_disable ss name cpu [ 412.657925][ T6081] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 412.664695][ T6081] !!!! control_disable control_disable ss name cpu [ 412.671182][ T6081] !!!! control_disable control_disable ss name memory [ 412.677959][ T6081] !!!! control_disable control_disable ss name cpu [ 412.684467][ T6081] !!!! control_disable control_disable ss name memory [ 412.691202][ T6081] !!!! control_disable control_disable ss name pids [ 412.697829][ T6081] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 412.704354][ T6076] !!!! css_killed_work_fn css_put(ffff8881053df000) [ 412.711250][ C1] !!!! css_killed_ref_fn enqueue(ffff88811cb7a800) [ 412.717882][ T6076] !!!! css_killed_work_fn css_put(ffff88811cb7a800) [ 412.724651][ C1] !!!! css_killed_ref_fn enqueue(ffff88811cb78000) [ 412.731271][ T6076] !!!! css_killed_work_fn css_put(ffff88811cb78000) [ 412.738170][ T6086] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 412.738304][ T6089] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 412.744813][ T6064] !!!! css_create css ffff888116873c00 !!!! [ 412.757223][ T6064] !!!! css_create css ffff888116872000 !!!! [ 412.763200][ T6064] !!!! css_create css ffff888116872c00 !!!! [ 412.769191][ T6064] FAULT_INJECTION: forcing a failure. [ 412.769191][ T6064] name failslab, interval 1, probability 0, space 0, times 0 [ 412.781916][ T6064] CPU: 0 PID: 6064 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 412.793616][ T6064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.803733][ T6064] Call Trace: [ 412.807001][ T6064] dump_stack_lvl+0x1e2/0x24b [ 412.811646][ T6064] ? bfq_pos_tree_add_move+0x43e/0x43e [ 412.817070][ T6064] ? serial8250_console_write+0xae0/0xe60 [ 412.822755][ T6064] ? record_print_text+0x266/0x420 [ 412.827832][ T6064] dump_stack+0x15/0x17 [ 412.831953][ T6064] should_fail+0x3c0/0x510 [ 412.836337][ T6064] ? __kernfs_new_node+0x99/0x6e0 [ 412.841326][ T6064] __should_failslab+0x9f/0xe0 [ 412.846054][ T6064] should_failslab+0x9/0x20 [ 412.850544][ T6064] __kmalloc_track_caller+0x5f/0x350 [ 412.855802][ T6064] kstrdup_const+0x55/0x90 [ 412.860194][ T6064] __kernfs_new_node+0x99/0x6e0 [ 412.865011][ T6064] ? stack_trace_save+0x1f0/0x1f0 [ 412.870005][ T6064] ? kernfs_new_node+0x170/0x170 [ 412.874909][ T6064] ? ptr_to_hashval+0x60/0x60 [ 412.879550][ T6064] ? snprintf+0xd6/0x120 [ 412.883761][ T6064] kernfs_new_node+0x97/0x170 [ 412.888408][ T6064] __kernfs_create_file+0x4a/0x270 [ 412.893482][ T6064] cgroup_addrm_files+0xab8/0xfe0 [ 412.898475][ T6064] ? cgroup_apply_control_enable+0x734/0x12e0 [ 412.904509][ T6064] ? cgroup_apply_control+0x93/0x710 [ 412.909760][ T6064] ? cgroup_subtree_control_write+0xd19/0x1310 [ 412.915879][ T6064] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 412.922085][ T6064] ? delete_node+0x759/0x7b0 [ 412.926669][ T6064] ? __kasan_check_read+0x11/0x20 [ 412.931669][ T6064] ? delete_node+0x759/0x7b0 [ 412.936246][ T6064] ? __kasan_check_write+0x14/0x20 [ 412.941338][ T6064] ? __radix_tree_replace+0x246/0x2e0 [ 412.946685][ T6064] ? idr_get_next+0x4b0/0x4b0 [ 412.951349][ T6064] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 412.956342][ T6064] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 412.961510][ T6064] css_populate_dir+0x137/0x370 [ 412.966330][ T6064] cgroup_apply_control_enable+0x629/0x12e0 [ 412.972278][ T6064] cgroup_apply_control+0x93/0x710 [ 412.977353][ T6064] ? css_next_child+0x160/0x160 [ 412.982168][ T6064] ? stack_trace_save+0x12d/0x1f0 [ 412.987158][ T6064] ? io_schedule+0x120/0x120 [ 412.991713][ T6064] ? kernfs_fop_write_iter+0x15e/0x410 [ 412.997136][ T6064] ? __kasan_check_write+0x14/0x20 [ 413.002212][ T6064] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 413.007467][ T6064] cgroup_subtree_control_write+0xd19/0x1310 [ 413.013409][ T6064] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 413.019356][ T6064] ? __kasan_check_write+0x14/0x20 [ 413.024612][ T6064] ? _copy_from_iter+0x3fb/0xd60 [ 413.029615][ T6064] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 413.035665][ T6064] cgroup_file_write+0x28e/0x590 [ 413.040781][ T6064] ? cgroup_seqfile_stop+0xc0/0xc0 [ 413.045869][ T6064] ? mutex_lock+0xa6/0x110 [ 413.050308][ T6064] ? mutex_trylock+0xb0/0xb0 [ 413.054877][ T6064] ? __kasan_check_write+0x14/0x20 [ 413.059957][ T6064] kernfs_fop_write_iter+0x2d0/0x410 [ 413.065211][ T6064] ? cgroup_seqfile_stop+0xc0/0xc0 [ 413.070287][ T6064] vfs_write+0xc1c/0xf40 [ 413.074494][ T6064] ? slab_free_freelist_hook+0xcc/0x1a0 [ 413.080006][ T6064] ? kernel_write+0x3c0/0x3c0 [ 413.084646][ T6064] ? do_sys_openat2+0x397/0x470 [ 413.089463][ T6064] ? __kasan_check_read+0x11/0x20 [ 413.094465][ T6064] ? __fdget_pos+0x27e/0x310 [ 413.099019][ T6064] ksys_write+0x198/0x2c0 [ 413.103315][ T6064] ? __kasan_check_write+0x14/0x20 [ 413.108392][ T6064] ? __ia32_sys_read+0x90/0x90 [ 413.113122][ T6064] ? debug_smp_processor_id+0x17/0x20 [ 413.118552][ T6064] __x64_sys_write+0x7b/0x90 [ 413.123109][ T6064] do_syscall_64+0x34/0x70 [ 413.127493][ T6064] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 413.133351][ T6064] RIP: 0033:0x7f777aae6c09 [ 413.137732][ T6064] 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 [ 413.157301][ T6064] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 413.165677][ T6064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 413.173615][ T6064] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 413.181554][ T6064] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 413.189493][ T6064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 413.197432][ T6064] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000001 [ 413.205624][ T6064] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 413.212772][ T6064] !!!! control_disable control_disable ss name cpu [ 413.219466][ T6064] !!!! control_disable control_disable ss name memory [ 413.226356][ T6064] !!!! control_disable control_disable ss name pids [ 413.233113][ T6064] !!!! control_disable kill_css(ffff888116873c00) [ 413.239649][ T6064] !!!! control_disable control_disable ss name cpu [ 413.246263][ T6064] !!!! control_disable control_disable ss name memory [ 413.253083][ T6064] !!!! control_disable control_disable ss name pids [ 413.259677][ T6064] !!!! control_disable kill_css(ffff888116872000) [ 413.266186][ C1] !!!! css_killed_ref_fn enqueue(ffff888116873c00) [ 413.266252][ T6064] !!!! control_disable control_disable ss name cpu [ 413.279301][ T6064] !!!! control_disable control_disable ss name memory [ 413.286091][ T6064] !!!! control_disable control_disable ss name pids [ 413.292669][ T6064] !!!! control_disable kill_css(ffff888116872c00) [ 413.299144][ T6064] !!!! control_disable control_disable ss name cpu [ 413.305637][ T6064] !!!! control_disable control_disable ss name memory [ 413.312388][ T6064] !!!! control_disable control_disable ss name cpu [ 413.318863][ T6064] !!!! control_disable control_disable ss name memory [ 413.325612][ T6064] !!!! control_disable control_disable ss name cpu [ 413.332101][ T6064] !!!! control_disable control_disable ss name memory [ 413.338828][ T6064] !!!! control_disable control_disable ss name cpu [ 413.345317][ T6064] !!!! control_disable control_disable ss name memory [ 413.352065][ T6064] !!!! control_disable control_disable ss name pids [ 413.358634][ T6064] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 413.365225][ T6076] !!!! css_killed_work_fn css_put(ffff888116873c00) [ 413.381364][ C0] !!!! css_killed_ref_fn enqueue(ffff888116872000) [ 413.388071][ T74] !!!! css_killed_work_fn css_put(ffff888116872000) [ 413.394753][ C0] !!!! css_killed_ref_fn enqueue(ffff888116872c00) [ 413.401523][ T74] !!!! css_killed_work_fn css_put(ffff888116872c00) [ 413.408241][ T6083] !!!! css_create css ffff88811ecb7400 !!!! [ 413.414319][ T6083] !!!! css_create css ffff88811c49b400 !!!! [ 413.420396][ T6083] !!!! css_create css ffff88811c498c00 !!!! [ 413.426427][ T6083] FAULT_INJECTION: forcing a failure. [ 413.426427][ T6083] name failslab, interval 1, probability 0, space 0, times 0 [ 413.439082][ T6083] CPU: 0 PID: 6083 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 413.450937][ T6083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.460978][ T6083] Call Trace: [ 413.464265][ T6083] dump_stack_lvl+0x1e2/0x24b [ 413.469091][ T6083] ? bfq_pos_tree_add_move+0x43e/0x43e [ 413.474530][ T6083] ? find_next_bit+0xd6/0x120 [ 413.479186][ T6083] ? cpumask_next+0x11/0x30 [ 413.483663][ T6083] dump_stack+0x15/0x17 [ 413.487793][ T6083] should_fail+0x3c0/0x510 [ 413.492183][ T6083] ? percpu_ref_init+0xd0/0x330 [ 413.497015][ T6083] __should_failslab+0x9f/0xe0 [ 413.501769][ T6083] should_failslab+0x9/0x20 [ 413.506242][ T6083] kmem_cache_alloc_trace+0x3a/0x330 [ 413.511495][ T6083] percpu_ref_init+0xd0/0x330 [ 413.516157][ T6083] ? cgroup_setup_root+0xea0/0xea0 [ 413.521251][ T6083] cgroup_apply_control_enable+0x734/0x12e0 [ 413.527120][ T6083] cgroup_apply_control+0x93/0x710 [ 413.532207][ T6083] ? css_next_child+0x160/0x160 [ 413.537047][ T6083] ? stack_trace_save+0x12d/0x1f0 [ 413.542225][ T6083] ? io_schedule+0x120/0x120 [ 413.546793][ T6083] ? kernfs_fop_write_iter+0x15e/0x410 [ 413.552223][ T6083] ? __kasan_check_write+0x14/0x20 [ 413.557309][ T6083] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 413.562563][ T6083] cgroup_subtree_control_write+0xd19/0x1310 [ 413.568512][ T6083] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 413.574469][ T6083] ? __kasan_check_write+0x14/0x20 [ 413.579560][ T6083] ? _copy_from_iter+0x3fb/0xd60 [ 413.584473][ T6083] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 413.590520][ T6083] cgroup_file_write+0x28e/0x590 [ 413.595431][ T6083] ? cgroup_seqfile_stop+0xc0/0xc0 [ 413.600521][ T6083] ? mutex_lock+0xa6/0x110 [ 413.604914][ T6083] ? mutex_trylock+0xb0/0xb0 [ 413.609598][ T6083] ? __kasan_check_write+0x14/0x20 [ 413.614685][ T6083] kernfs_fop_write_iter+0x2d0/0x410 [ 413.619948][ T6083] ? cgroup_seqfile_stop+0xc0/0xc0 [ 413.625033][ T6083] vfs_write+0xc1c/0xf40 [ 413.629245][ T6083] ? slab_free_freelist_hook+0xcc/0x1a0 [ 413.634762][ T6083] ? kernel_write+0x3c0/0x3c0 [ 413.639418][ T6083] ? do_sys_openat2+0x397/0x470 [ 413.644241][ T6083] ? __kasan_check_read+0x11/0x20 [ 413.649235][ T6083] ? __fdget_pos+0x27e/0x310 [ 413.653795][ T6083] ksys_write+0x198/0x2c0 [ 413.658099][ T6083] ? __ia32_sys_read+0x90/0x90 [ 413.662838][ T6083] ? debug_smp_processor_id+0x17/0x20 [ 413.668191][ T6083] __x64_sys_write+0x7b/0x90 [ 413.672756][ T6083] do_syscall_64+0x34/0x70 [ 413.677146][ T6083] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 413.683010][ T6083] RIP: 0033:0x7f777aae6c09 [ 413.687491][ T6083] 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 [ 413.707076][ T6083] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 413.715473][ T6083] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 413.723436][ T6083] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 413.731397][ T6083] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 413.739448][ T6083] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 413.747453][ T6083] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000001 [ 413.755673][ T6083] !!!! css_create rcu_enqueue(ffff88811c498c00) !!!! [ 413.762591][ T6083] !!!! control_disable control_disable ss name cpu [ 413.769100][ T6083] !!!! control_disable control_disable ss name memory [ 413.776046][ T6083] !!!! control_disable control_disable ss name pids [ 413.782787][ T6083] !!!! control_disable kill_css(ffff88811ecb7400) [ 413.789320][ T6083] !!!! control_disable control_disable ss name cpu [ 413.795854][ T6083] !!!! control_disable control_disable ss name memory [ 413.802648][ T6083] !!!! control_disable control_disable ss name pids [ 413.809239][ T6083] !!!! control_disable kill_css(ffff88811c49b400) [ 413.815804][ T6083] !!!! control_disable control_disable ss name cpu [ 413.815847][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ecb7400) [ 413.822350][ T6083] !!!! control_disable control_disable ss name memory [ 413.835654][ T6083] !!!! control_disable control_disable ss name cpu [ 413.842153][ T6083] !!!! control_disable control_disable ss name memory [ 413.849243][ T6083] !!!! control_disable control_disable ss name cpu [ 413.855745][ C1] !!!! css_killed_ref_fn enqueue(ffff88811c49b400) [ 413.862441][ T6083] !!!! control_disable control_disable ss name memory [ 413.869169][ T6083] !!!! control_disable control_disable ss name cpu [ 413.875654][ T6083] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 413.882405][ T6083] !!!! control_disable control_disable ss name cpu [ 413.888871][ T6083] !!!! control_disable control_disable ss name memory [ 413.895624][ T6083] !!!! control_disable control_disable ss name pids [ 413.902210][ T6083] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 413.902284][ T74] !!!! css_killed_work_fn css_put(ffff88811ecb7400) [ 413.915449][ T6076] !!!! css_killed_work_fn css_put(ffff88811c49b400) [ 413.922350][ T6084] !!!! css_create css ffff88811ca57c00 !!!! [ 413.928453][ T6084] !!!! css_create css ffff88811ca56000 !!!! [ 413.934468][ T6084] !!!! css_create css ffff88811ca55c00 !!!! [ 413.940337][ T6084] FAULT_INJECTION: forcing a failure. [ 413.940337][ T6084] name failslab, interval 1, probability 0, space 0, times 0 [ 413.952906][ T6084] CPU: 0 PID: 6084 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 413.964691][ T6084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.974719][ T6084] Call Trace: [ 413.977981][ T6084] dump_stack_lvl+0x1e2/0x24b [ 413.982713][ T6084] ? bfq_pos_tree_add_move+0x43e/0x43e [ 413.988143][ T6084] ? find_next_bit+0xd6/0x120 [ 413.992789][ T6084] ? cpumask_next+0x11/0x30 [ 413.997277][ T6084] dump_stack+0x15/0x17 [ 414.001414][ T6084] should_fail+0x3c0/0x510 [ 414.005810][ T6084] ? percpu_ref_init+0xd0/0x330 [ 414.010630][ T6084] __should_failslab+0x9f/0xe0 [ 414.015363][ T6084] should_failslab+0x9/0x20 [ 414.019835][ T6084] kmem_cache_alloc_trace+0x3a/0x330 [ 414.025262][ T6084] percpu_ref_init+0xd0/0x330 [ 414.029907][ T6084] ? cgroup_setup_root+0xea0/0xea0 [ 414.034986][ T6084] cgroup_apply_control_enable+0x734/0x12e0 [ 414.040847][ T6084] cgroup_apply_control+0x93/0x710 [ 414.045929][ T6084] ? css_next_child+0x160/0x160 [ 414.050761][ T6084] ? stack_trace_save+0x12d/0x1f0 [ 414.055764][ T6084] ? io_schedule+0x120/0x120 [ 414.060322][ T6084] ? kernfs_fop_write_iter+0x15e/0x410 [ 414.065753][ T6084] ? __kasan_check_write+0x14/0x20 [ 414.070834][ T6084] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 414.076089][ T6084] cgroup_subtree_control_write+0xd19/0x1310 [ 414.082039][ T6084] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 414.087986][ T6084] ? __kasan_check_write+0x14/0x20 [ 414.093072][ T6084] ? _copy_from_iter+0x3fb/0xd60 [ 414.097978][ T6084] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 414.103924][ T6084] cgroup_file_write+0x28e/0x590 [ 414.108843][ T6084] ? cgroup_seqfile_stop+0xc0/0xc0 [ 414.113924][ T6084] ? mutex_lock+0xa6/0x110 [ 414.118309][ T6084] ? mutex_trylock+0xb0/0xb0 [ 414.122961][ T6084] ? __kasan_check_write+0x14/0x20 [ 414.128040][ T6084] kernfs_fop_write_iter+0x2d0/0x410 [ 414.133291][ T6084] ? cgroup_seqfile_stop+0xc0/0xc0 [ 414.138369][ T6084] vfs_write+0xc1c/0xf40 [ 414.142579][ T6084] ? slab_free_freelist_hook+0xcc/0x1a0 [ 414.148097][ T6084] ? kernel_write+0x3c0/0x3c0 [ 414.152746][ T6084] ? do_sys_openat2+0x397/0x470 [ 414.157565][ T6084] ? __kasan_check_read+0x11/0x20 [ 414.162559][ T6084] ? __fdget_pos+0x27e/0x310 [ 414.167121][ T6084] ksys_write+0x198/0x2c0 [ 414.171443][ T6084] ? __ia32_sys_read+0x90/0x90 [ 414.176174][ T6084] ? debug_smp_processor_id+0x17/0x20 [ 414.181514][ T6084] __x64_sys_write+0x7b/0x90 [ 414.186087][ T6084] do_syscall_64+0x34/0x70 [ 414.190654][ T6084] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 414.196521][ T6084] RIP: 0033:0x7f777aae6c09 [ 414.200909][ T6084] 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 [ 414.220484][ T6084] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 414.228868][ T6084] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 414.236810][ T6084] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 414.244763][ T6084] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 414.253084][ T6084] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 414.261124][ T6084] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000002 [ 414.269126][ T6084] !!!! css_create rcu_enqueue(ffff88811ca55c00) !!!! [ 414.275877][ T6084] !!!! control_disable control_disable ss name cpu [ 414.282378][ T6084] !!!! control_disable control_disable ss name memory [ 414.289228][ T6084] !!!! control_disable control_disable ss name pids [ 414.295822][ T6084] !!!! control_disable kill_css(ffff88811ca57c00) [ 414.302366][ T6084] !!!! control_disable control_disable ss name cpu [ 414.308854][ T6084] !!!! control_disable control_disable ss name memory [ 414.315965][ T6084] !!!! control_disable control_disable ss name pids [ 414.322552][ T6084] !!!! control_disable kill_css(ffff88811ca56000) [ 414.329048][ T6084] !!!! control_disable control_disable ss name cpu [ 414.335537][ T6084] !!!! control_disable control_disable ss name memory [ 414.342292][ T6084] !!!! control_disable control_disable ss name cpu [ 414.348761][ T6084] !!!! control_disable control_disable ss name memory [ 414.355695][ T6084] !!!! control_disable control_disable ss name cpu [ 414.362294][ T6084] !!!! control_disable control_disable ss name memory [ 414.369044][ T6084] !!!! control_disable control_disable ss name cpu [ 414.375624][ T6084] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 414.383418][ T6084] !!!! control_disable control_disable ss name cpu [ 414.389888][ T6084] !!!! control_disable control_disable ss name memory [ 414.396731][ T6084] !!!! control_disable control_disable ss name pids [ 414.403361][ T6084] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 414.431380][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ca57c00) [ 414.438045][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ca56000) [ 414.444698][ T74] !!!! css_killed_work_fn css_put(ffff88811ca57c00) [ 414.451439][ T74] !!!! css_killed_work_fn css_put(ffff88811ca56000) [ 414.458132][ T6091] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 414.458138][ T6092] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 414.458311][ T6092] !!!! css_create css ffff88811ca56c00 !!!! [ 414.478136][ T6092] !!!! css_create css ffff88811ca55000 !!!! [ 414.484117][ T6092] !!!! css_create css ffff88810cb1c000 !!!! [ 414.490002][ T6092] FAULT_INJECTION: forcing a failure. [ 414.490002][ T6092] name failslab, interval 1, probability 0, space 0, times 0 [ 414.502676][ T6092] CPU: 0 PID: 6092 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 414.514461][ T6092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.524499][ T6092] Call Trace: [ 414.527766][ T6092] dump_stack_lvl+0x1e2/0x24b [ 414.532423][ T6092] ? bfq_pos_tree_add_move+0x43e/0x43e [ 414.537959][ T6092] ? find_next_bit+0xd6/0x120 [ 414.542618][ T6092] ? cpumask_next+0x11/0x30 [ 414.547619][ T6092] dump_stack+0x15/0x17 [ 414.551885][ T6092] should_fail+0x3c0/0x510 [ 414.556292][ T6092] ? percpu_ref_init+0xd0/0x330 [ 414.561842][ T6092] __should_failslab+0x9f/0xe0 [ 414.566603][ T6092] should_failslab+0x9/0x20 [ 414.571083][ T6092] kmem_cache_alloc_trace+0x3a/0x330 [ 414.576371][ T6092] percpu_ref_init+0xd0/0x330 [ 414.581036][ T6092] ? cgroup_setup_root+0xea0/0xea0 [ 414.586219][ T6092] cgroup_apply_control_enable+0x734/0x12e0 [ 414.592173][ T6092] cgroup_apply_control+0x93/0x710 [ 414.597266][ T6092] ? css_next_child+0x160/0x160 [ 414.602313][ T6092] ? stack_trace_save+0x12d/0x1f0 [ 414.607495][ T6092] ? io_schedule+0x120/0x120 [ 414.612058][ T6092] ? kernfs_fop_write_iter+0x15e/0x410 [ 414.617489][ T6092] ? __kasan_check_write+0x14/0x20 [ 414.623514][ T6092] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 414.628776][ T6092] cgroup_subtree_control_write+0xd19/0x1310 [ 414.634828][ T6092] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 414.640845][ T6092] ? __kasan_check_write+0x14/0x20 [ 414.645938][ T6092] ? _copy_from_iter+0x3fb/0xd60 [ 414.650853][ T6092] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 414.656812][ T6092] cgroup_file_write+0x28e/0x590 [ 414.661750][ T6092] ? cgroup_seqfile_stop+0xc0/0xc0 [ 414.666853][ T6092] ? mutex_lock+0xa6/0x110 [ 414.671435][ T6092] ? mutex_trylock+0xb0/0xb0 [ 414.676120][ T6092] ? __kasan_check_write+0x14/0x20 [ 414.681381][ T6092] kernfs_fop_write_iter+0x2d0/0x410 [ 414.686733][ T6092] ? cgroup_seqfile_stop+0xc0/0xc0 [ 414.691826][ T6092] vfs_write+0xc1c/0xf40 [ 414.696039][ T6092] ? slab_free_freelist_hook+0xcc/0x1a0 [ 414.701661][ T6092] ? kernel_write+0x3c0/0x3c0 [ 414.706396][ T6092] ? do_sys_openat2+0x397/0x470 [ 414.711221][ T6092] ? __kasan_check_read+0x11/0x20 [ 414.716316][ T6092] ? __fdget_pos+0x27e/0x310 [ 414.721151][ T6092] ksys_write+0x198/0x2c0 [ 414.725551][ T6092] ? __ia32_sys_read+0x90/0x90 [ 414.730301][ T6092] ? debug_smp_processor_id+0x17/0x20 [ 414.735656][ T6092] __x64_sys_write+0x7b/0x90 [ 414.740237][ T6092] do_syscall_64+0x34/0x70 [ 414.744633][ T6092] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 414.750607][ T6092] RIP: 0033:0x7f777aae6c09 [ 414.755081][ T6092] 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 [ 414.775275][ T6092] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 414.783746][ T6092] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 414.792479][ T6092] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 414.800531][ T6092] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 414.808502][ T6092] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 414.816811][ T6092] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000003 [ 414.824927][ T6092] !!!! css_create rcu_enqueue(ffff88810cb1c000) !!!! [ 414.831723][ T6092] !!!! control_disable control_disable ss name cpu [ 414.838406][ T6092] !!!! control_disable control_disable ss name memory [ 414.845716][ T6092] !!!! control_disable control_disable ss name pids [ 414.852352][ T6092] !!!! control_disable kill_css(ffff88811ca56c00) [ 414.858902][ T6092] !!!! control_disable control_disable ss name cpu [ 414.865884][ T6092] !!!! control_disable control_disable ss name memory [ 414.872693][ T6092] !!!! control_disable control_disable ss name pids [ 414.879564][ T6092] !!!! control_disable kill_css(ffff88811ca55000) [ 414.886147][ T6092] !!!! control_disable control_disable ss name cpu [ 414.892658][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ca56c00) [ 414.899301][ T6092] !!!! control_disable control_disable ss name memory [ 414.906314][ T6092] !!!! control_disable control_disable ss name cpu [ 414.912826][ T6092] !!!! control_disable control_disable ss name memory [ 414.919995][ T6092] !!!! control_disable control_disable ss name cpu [ 414.926499][ T6092] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 414.933247][ T6092] !!!! control_disable control_disable ss name cpu [ 414.939715][ T6092] !!!! control_disable control_disable ss name memory [ 414.946459][ T6092] !!!! control_disable control_disable ss name cpu [ 414.952948][ T6092] !!!! control_disable control_disable ss name memory [ 414.959678][ T6092] !!!! control_disable control_disable ss name pids [ 414.966260][ T6092] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 414.972776][ T74] !!!! css_killed_work_fn css_put(ffff88811ca56c00) [ 415.021357][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ca55000) [ 415.028054][ T74] !!!! css_killed_work_fn css_put(ffff88811ca55000) [ 415.034812][ T6086] !!!! css_create css ffff88811366bc00 !!!! [ 415.040782][ T6086] !!!! css_create css ffff88811366a000 !!!! [ 415.046944][ T6086] !!!! css_create css ffff88810cb1dc00 !!!! [ 415.052892][ T6086] FAULT_INJECTION: forcing a failure. [ 415.052892][ T6086] name failslab, interval 1, probability 0, space 0, times 0 [ 415.065490][ T6086] CPU: 0 PID: 6086 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 415.077346][ T6086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.087770][ T6086] Call Trace: [ 415.091068][ T6086] dump_stack_lvl+0x1e2/0x24b [ 415.096001][ T6086] ? bfq_pos_tree_add_move+0x43e/0x43e [ 415.101439][ T6086] dump_stack+0x15/0x17 [ 415.105579][ T6086] should_fail+0x3c0/0x510 [ 415.109985][ T6086] ? __kernfs_new_node+0x99/0x6e0 [ 415.115356][ T6086] __should_failslab+0x9f/0xe0 [ 415.120620][ T6086] should_failslab+0x9/0x20 [ 415.125190][ T6086] __kmalloc_track_caller+0x5f/0x350 [ 415.130613][ T6086] kstrdup_const+0x55/0x90 [ 415.135036][ T6086] __kernfs_new_node+0x99/0x6e0 [ 415.139973][ T6086] ? stack_trace_save+0x1f0/0x1f0 [ 415.144975][ T6086] ? kernfs_new_node+0x170/0x170 [ 415.149892][ T6086] ? ptr_to_hashval+0x60/0x60 [ 415.154544][ T6086] ? snprintf+0xd6/0x120 [ 415.158767][ T6086] kernfs_new_node+0x97/0x170 [ 415.163425][ T6086] __kernfs_create_file+0x4a/0x270 [ 415.168506][ T6086] cgroup_addrm_files+0xab8/0xfe0 [ 415.173500][ T6086] ? cgroup_apply_control_enable+0x734/0x12e0 [ 415.179535][ T6086] ? cgroup_apply_control+0x93/0x710 [ 415.184795][ T6086] ? cgroup_subtree_control_write+0xd19/0x1310 [ 415.190916][ T6086] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 415.197039][ T6086] ? delete_node+0x759/0x7b0 [ 415.201602][ T6086] ? __kasan_check_read+0x11/0x20 [ 415.206592][ T6086] ? delete_node+0x759/0x7b0 [ 415.211153][ T6086] ? __kasan_check_write+0x14/0x20 [ 415.216668][ T6086] ? __radix_tree_replace+0x246/0x2e0 [ 415.222112][ T6086] ? idr_get_next+0x4b0/0x4b0 [ 415.226764][ T6086] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 415.231853][ T6086] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 415.237023][ T6086] css_populate_dir+0x137/0x370 [ 415.241917][ T6086] cgroup_apply_control_enable+0x629/0x12e0 [ 415.247890][ T6086] cgroup_apply_control+0x93/0x710 [ 415.252971][ T6086] ? css_next_child+0x160/0x160 [ 415.257792][ T6086] ? stack_trace_save+0x12d/0x1f0 [ 415.262803][ T6086] ? io_schedule+0x120/0x120 [ 415.267361][ T6086] ? kernfs_fop_write_iter+0x15e/0x410 [ 415.272790][ T6086] ? __kasan_check_write+0x14/0x20 [ 415.277877][ T6086] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 415.283137][ T6086] cgroup_subtree_control_write+0xd19/0x1310 [ 415.289083][ T6086] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 415.295033][ T6086] ? __kasan_check_write+0x14/0x20 [ 415.300117][ T6086] ? _copy_from_iter+0x3fb/0xd60 [ 415.305029][ T6086] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 415.311073][ T6086] cgroup_file_write+0x28e/0x590 [ 415.315987][ T6086] ? cgroup_seqfile_stop+0xc0/0xc0 [ 415.321064][ T6086] ? mutex_lock+0xa6/0x110 [ 415.325450][ T6086] ? mutex_trylock+0xb0/0xb0 [ 415.330008][ T6086] ? __kasan_check_write+0x14/0x20 [ 415.335095][ T6086] kernfs_fop_write_iter+0x2d0/0x410 [ 415.340354][ T6086] ? cgroup_seqfile_stop+0xc0/0xc0 [ 415.345445][ T6086] vfs_write+0xc1c/0xf40 [ 415.349660][ T6086] ? slab_free_freelist_hook+0xcc/0x1a0 [ 415.355266][ T6086] ? kernel_write+0x3c0/0x3c0 [ 415.359921][ T6086] ? do_sys_openat2+0x397/0x470 [ 415.364745][ T6086] ? __kasan_check_read+0x11/0x20 [ 415.369760][ T6086] ? __fdget_pos+0x27e/0x310 [ 415.374335][ T6086] ksys_write+0x198/0x2c0 [ 415.378648][ T6086] ? __ia32_sys_read+0x90/0x90 [ 415.383403][ T6086] ? debug_smp_processor_id+0x17/0x20 [ 415.388751][ T6086] __x64_sys_write+0x7b/0x90 [ 415.393317][ T6086] do_syscall_64+0x34/0x70 [ 415.397712][ T6086] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 415.403581][ T6086] RIP: 0033:0x7f777aae6c09 [ 415.407973][ T6086] 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 [ 415.427556][ T6086] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 415.435945][ T6086] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 415.443897][ T6086] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 415.451844][ T6086] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 415.459808][ T6086] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 415.467763][ T6086] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000001 [ 415.475985][ T6086] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 415.483120][ T6086] !!!! control_disable control_disable ss name cpu [ 415.489634][ T6086] !!!! control_disable control_disable ss name memory [ 415.496432][ T6086] !!!! control_disable control_disable ss name pids [ 415.503058][ T6086] !!!! control_disable kill_css(ffff88811366bc00) [ 415.509611][ T6086] !!!! control_disable control_disable ss name cpu [ 415.516167][ T6086] !!!! control_disable control_disable ss name memory [ 415.522995][ T6086] !!!! control_disable control_disable ss name pids [ 415.529596][ T6086] !!!! control_disable kill_css(ffff88811366a000) [ 415.536167][ T6086] !!!! control_disable control_disable ss name cpu [ 415.542670][ C1] !!!! css_killed_ref_fn enqueue(ffff88811366bc00) [ 415.549258][ T6086] !!!! control_disable control_disable ss name memory [ 415.556026][ T6086] !!!! control_disable control_disable ss name pids [ 415.562605][ T6086] !!!! control_disable kill_css(ffff88810cb1dc00) [ 415.569077][ T6086] !!!! control_disable control_disable ss name cpu [ 415.575571][ T6086] !!!! control_disable control_disable ss name memory [ 415.582326][ T6086] !!!! control_disable control_disable ss name cpu [ 415.588793][ T6086] !!!! control_disable control_disable ss name memory [ 415.595735][ T6086] !!!! control_disable control_disable ss name cpu [ 415.602250][ T6086] !!!! control_disable control_disable ss name memory [ 415.608986][ T6086] !!!! control_disable control_disable ss name cpu [ 415.615485][ T6086] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 415.622257][ T6086] !!!! control_disable control_disable ss name pids [ 415.628831][ T6086] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 415.635423][ T6076] !!!! css_killed_work_fn css_put(ffff88811366bc00) [ 415.642476][ C1] !!!! css_killed_ref_fn enqueue(ffff88811366a000) [ 415.649091][ T6076] !!!! css_killed_work_fn css_put(ffff88811366a000) [ 415.655785][ C1] !!!! css_killed_ref_fn enqueue(ffff88810cb1dc00) [ 415.662437][ T6076] !!!! css_killed_work_fn css_put(ffff88810cb1dc00) [ 415.669134][ T6090] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 415.669147][ T6088] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 415.675657][ T6089] !!!! css_create css ffff888113669800 !!!! [ 415.688136][ T6089] !!!! css_create css ffff88811366b400 !!!! [ 415.694106][ T6089] !!!! css_create css ffff888113668c00 !!!! [ 415.699992][ T6089] FAULT_INJECTION: forcing a failure. [ 415.699992][ T6089] name failslab, interval 1, probability 0, space 0, times 0 [ 415.712681][ T6089] CPU: 1 PID: 6089 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 415.724564][ T6089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.734595][ T6089] Call Trace: [ 415.737863][ T6089] dump_stack_lvl+0x1e2/0x24b [ 415.742512][ T6089] ? bfq_pos_tree_add_move+0x43e/0x43e [ 415.747956][ T6089] ? find_next_bit+0xd6/0x120 [ 415.752630][ T6089] ? cpumask_next+0x11/0x30 [ 415.757130][ T6089] dump_stack+0x15/0x17 [ 415.761453][ T6089] should_fail+0x3c0/0x510 [ 415.765857][ T6089] ? percpu_ref_init+0xd0/0x330 [ 415.770693][ T6089] __should_failslab+0x9f/0xe0 [ 415.775427][ T6089] should_failslab+0x9/0x20 [ 415.779904][ T6089] kmem_cache_alloc_trace+0x3a/0x330 [ 415.785163][ T6089] percpu_ref_init+0xd0/0x330 [ 415.789811][ T6089] ? cgroup_setup_root+0xea0/0xea0 [ 415.794901][ T6089] cgroup_apply_control_enable+0x734/0x12e0 [ 415.800764][ T6089] cgroup_apply_control+0x93/0x710 [ 415.805844][ T6089] ? css_next_child+0x160/0x160 [ 415.810664][ T6089] ? stack_trace_save+0x12d/0x1f0 [ 415.815659][ T6089] ? io_schedule+0x120/0x120 [ 415.820222][ T6089] ? kernfs_fop_write_iter+0x15e/0x410 [ 415.825739][ T6089] ? __kasan_check_write+0x14/0x20 [ 415.830914][ T6089] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 415.836174][ T6089] cgroup_subtree_control_write+0xd19/0x1310 [ 415.842175][ T6089] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 415.848138][ T6089] ? __kasan_check_write+0x14/0x20 [ 415.853224][ T6089] ? _copy_from_iter+0x3fb/0xd60 [ 415.858133][ T6089] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 415.864086][ T6089] cgroup_file_write+0x28e/0x590 [ 415.869001][ T6089] ? cgroup_seqfile_stop+0xc0/0xc0 [ 415.874083][ T6089] ? mutex_lock+0xa6/0x110 [ 415.878514][ T6089] ? mutex_trylock+0xb0/0xb0 [ 415.883079][ T6089] ? __kasan_check_write+0x14/0x20 [ 415.888158][ T6089] kernfs_fop_write_iter+0x2d0/0x410 [ 415.893413][ T6089] ? cgroup_seqfile_stop+0xc0/0xc0 [ 415.898503][ T6089] vfs_write+0xc1c/0xf40 [ 415.902852][ T6089] ? slab_free_freelist_hook+0xcc/0x1a0 [ 415.908374][ T6089] ? kernel_write+0x3c0/0x3c0 [ 415.913019][ T6089] ? do_sys_openat2+0x397/0x470 [ 415.917844][ T6089] ? __kasan_check_read+0x11/0x20 [ 415.922930][ T6089] ? __fdget_pos+0x27e/0x310 [ 415.927511][ T6089] ksys_write+0x198/0x2c0 [ 415.931815][ T6089] ? __ia32_sys_read+0x90/0x90 [ 415.936558][ T6089] ? debug_smp_processor_id+0x17/0x20 [ 415.941908][ T6089] __x64_sys_write+0x7b/0x90 [ 415.946477][ T6089] do_syscall_64+0x34/0x70 [ 415.950870][ T6089] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 415.956737][ T6089] RIP: 0033:0x7f777aae6c09 [ 415.961123][ T6089] 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 [ 415.980705][ T6089] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 415.989088][ T6089] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 415.997117][ T6089] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 416.005754][ T6089] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 416.013965][ T6089] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 416.022033][ T6089] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000003 [ 416.030171][ T6089] !!!! css_create rcu_enqueue(ffff888113668c00) !!!! [ 416.036955][ T6089] !!!! control_disable control_disable ss name cpu [ 416.043566][ T6089] !!!! control_disable control_disable ss name memory [ 416.050312][ T6089] !!!! control_disable control_disable ss name pids [ 416.056911][ T6089] !!!! control_disable kill_css(ffff888113669800) [ 416.063542][ T6089] !!!! control_disable control_disable ss name cpu [ 416.070282][ T6089] !!!! control_disable control_disable ss name memory [ 416.077042][ T6089] !!!! control_disable control_disable ss name pids [ 416.083629][ T6089] !!!! control_disable kill_css(ffff88811366b400) [ 416.090126][ T6089] !!!! control_disable control_disable ss name cpu [ 416.096615][ T6089] !!!! control_disable control_disable ss name memory [ 416.103365][ T6089] !!!! control_disable control_disable ss name cpu [ 416.109841][ T6089] !!!! control_disable control_disable ss name memory [ 416.116601][ T6089] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 416.123086][ T6089] !!!! control_disable control_disable ss name memory [ 416.129813][ T6089] !!!! control_disable control_disable ss name cpu [ 416.136301][ T6089] !!!! control_disable control_disable ss name memory [ 416.143049][ T6089] !!!! control_disable control_disable ss name cpu [ 416.149614][ T6089] !!!! control_disable control_disable ss name memory [ 416.156362][ T6089] !!!! control_disable control_disable ss name pids [ 416.162975][ T6089] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.181368][ C1] !!!! css_killed_ref_fn enqueue(ffff888113669800) [ 416.188363][ T6076] !!!! css_killed_work_fn css_put(ffff888113669800) [ 416.195043][ C1] !!!! css_killed_ref_fn enqueue(ffff88811366b400) [ 416.201690][ T6076] !!!! css_killed_work_fn css_put(ffff88811366b400) [ 416.208367][ T6095] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.208372][ T6094] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.208531][ T6094] !!!! css_create css ffff888117cd3400 !!!! [ 416.227492][ T6094] !!!! css_create css ffff888117cd0c00 !!!! [ 416.233488][ T6094] !!!! css_create css ffff888117cd3000 !!!! [ 416.239989][ T6094] FAULT_INJECTION: forcing a failure. [ 416.239989][ T6094] name failslab, interval 1, probability 0, space 0, times 0 [ 416.252722][ T6094] CPU: 0 PID: 6094 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 416.264407][ T6094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.274541][ T6094] Call Trace: [ 416.277811][ T6094] dump_stack_lvl+0x1e2/0x24b [ 416.282461][ T6094] ? bfq_pos_tree_add_move+0x43e/0x43e [ 416.287908][ T6094] ? serial8250_console_write+0xae0/0xe60 [ 416.293607][ T6094] ? record_print_text+0x266/0x420 [ 416.298691][ T6094] dump_stack+0x15/0x17 [ 416.302847][ T6094] should_fail+0x3c0/0x510 [ 416.307234][ T6094] ? __kernfs_new_node+0x99/0x6e0 [ 416.312249][ T6094] __should_failslab+0x9f/0xe0 [ 416.316983][ T6094] should_failslab+0x9/0x20 [ 416.321459][ T6094] __kmalloc_track_caller+0x5f/0x350 [ 416.326713][ T6094] kstrdup_const+0x55/0x90 [ 416.331101][ T6094] __kernfs_new_node+0x99/0x6e0 [ 416.335919][ T6094] ? stack_trace_save+0x1f0/0x1f0 [ 416.340910][ T6094] ? kernfs_new_node+0x170/0x170 [ 416.345817][ T6094] ? ptr_to_hashval+0x60/0x60 [ 416.350463][ T6094] ? snprintf+0xd6/0x120 [ 416.354742][ T6094] kernfs_new_node+0x97/0x170 [ 416.359395][ T6094] __kernfs_create_file+0x4a/0x270 [ 416.364485][ T6094] cgroup_addrm_files+0xab8/0xfe0 [ 416.369665][ T6094] ? cgroup_apply_control_enable+0x734/0x12e0 [ 416.375702][ T6094] ? cgroup_apply_control+0x93/0x710 [ 416.381052][ T6094] ? cgroup_subtree_control_write+0xd19/0x1310 [ 416.387173][ T6094] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 416.393300][ T6094] ? delete_node+0x759/0x7b0 [ 416.397954][ T6094] ? __kasan_check_read+0x11/0x20 [ 416.402944][ T6094] ? delete_node+0x759/0x7b0 [ 416.407504][ T6094] ? __kasan_check_write+0x14/0x20 [ 416.412606][ T6094] ? __radix_tree_replace+0x246/0x2e0 [ 416.417948][ T6094] ? idr_get_next+0x4b0/0x4b0 [ 416.422600][ T6094] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 416.427598][ T6094] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 416.432763][ T6094] css_populate_dir+0x137/0x370 [ 416.437582][ T6094] cgroup_apply_control_enable+0x629/0x12e0 [ 416.443465][ T6094] cgroup_apply_control+0x93/0x710 [ 416.448552][ T6094] ? css_next_child+0x160/0x160 [ 416.453380][ T6094] ? stack_trace_save+0x12d/0x1f0 [ 416.458380][ T6094] ? io_schedule+0x120/0x120 [ 416.462946][ T6094] ? kernfs_fop_write_iter+0x15e/0x410 [ 416.468461][ T6094] ? __kasan_check_write+0x14/0x20 [ 416.473549][ T6094] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 416.478826][ T6094] cgroup_subtree_control_write+0xd19/0x1310 [ 416.484783][ T6094] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 416.490741][ T6094] ? __kasan_check_write+0x14/0x20 [ 416.495827][ T6094] ? _copy_from_iter+0x3fb/0xd60 [ 416.500740][ T6094] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 416.506712][ T6094] cgroup_file_write+0x28e/0x590 [ 416.511635][ T6094] ? cgroup_seqfile_stop+0xc0/0xc0 [ 416.516728][ T6094] ? mutex_lock+0xa6/0x110 [ 416.521241][ T6094] ? mutex_trylock+0xb0/0xb0 [ 416.525807][ T6094] ? __kasan_check_write+0x14/0x20 [ 416.531087][ T6094] kernfs_fop_write_iter+0x2d0/0x410 [ 416.536354][ T6094] ? cgroup_seqfile_stop+0xc0/0xc0 [ 416.541436][ T6094] vfs_write+0xc1c/0xf40 [ 416.545668][ T6094] ? slab_free_freelist_hook+0xcc/0x1a0 [ 416.551313][ T6094] ? kernel_write+0x3c0/0x3c0 [ 416.555977][ T6094] ? do_sys_openat2+0x397/0x470 [ 416.560799][ T6094] ? __kasan_check_read+0x11/0x20 [ 416.565884][ T6094] ? __fdget_pos+0x27e/0x310 [ 416.570621][ T6094] ksys_write+0x198/0x2c0 [ 416.574929][ T6094] ? __ia32_sys_read+0x90/0x90 [ 416.579664][ T6094] ? debug_smp_processor_id+0x17/0x20 [ 416.585012][ T6094] __x64_sys_write+0x7b/0x90 [ 416.589701][ T6094] do_syscall_64+0x34/0x70 [ 416.594099][ T6094] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 416.599963][ T6094] RIP: 0033:0x7f777aae6c09 [ 416.604360][ T6094] 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 [ 416.626123][ T6094] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 416.634514][ T6094] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 416.642458][ T6094] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 416.650402][ T6094] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 416.658346][ T6094] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 416.666290][ T6094] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000002 [ 416.674406][ T6094] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 416.682941][ T6094] !!!! control_disable control_disable ss name cpu [ 416.689483][ T6094] !!!! control_disable control_disable ss name memory [ 416.696307][ T6094] !!!! control_disable control_disable ss name pids [ 416.702970][ T6094] !!!! control_disable kill_css(ffff888117cd3400) [ 416.709524][ T6094] !!!! control_disable control_disable ss name cpu [ 416.716191][ T6094] !!!! control_disable control_disable ss name memory [ 416.722976][ T6094] !!!! control_disable control_disable ss name pids [ 416.729578][ T6094] !!!! control_disable kill_css(ffff888117cd0c00) [ 416.736319][ T6094] !!!! control_disable control_disable ss name cpu [ 416.742910][ C0] !!!! css_killed_ref_fn enqueue(ffff888117cd3400) [ 416.749504][ T6094] !!!! control_disable control_disable ss name memory [ 416.756266][ T6094] !!!! control_disable control_disable ss name pids [ 416.762845][ T6094] !!!! control_disable kill_css(ffff888117cd3000) [ 416.769946][ T6094] !!!! control_disable control_disable ss name cpu [ 416.776548][ T6094] !!!! control_disable control_disable ss name memory [ 416.783471][ T6094] !!!! control_disable control_disable ss name cpu [ 416.789943][ T6094] !!!! control_disable control_disable ss name memory [ 416.796698][ T6094] !!!! control_disable control_disable ss name cpu [ 416.803379][ T6094] !!!! control_disable control_disable ss name memory [ 416.810110][ T6094] !!!! control_disable control_disable ss name cpu [ 416.816594][ T6094] !!!! control_disable control_disable ss name memory [ 416.823339][ T6094] !!!! control_disable control_disable ss name pids write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 416.829901][ T6094] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.836401][ T74] !!!! css_killed_work_fn css_put(ffff888117cd3400) [ 416.843555][ C0] !!!! css_killed_ref_fn enqueue(ffff888117cd0c00) [ 416.850153][ T74] !!!! css_killed_work_fn css_put(ffff888117cd0c00) [ 416.856849][ C0] !!!! css_killed_ref_fn enqueue(ffff888117cd3000) [ 416.863470][ T74] !!!! css_killed_work_fn css_put(ffff888117cd3000) [ 416.870175][ T6088] !!!! css_create css ffff888117675400 !!!! [ 416.876147][ T6088] !!!! css_create css ffff888117674800 !!!! [ 416.882065][ T6088] FAULT_INJECTION: forcing a failure. [ 416.882065][ T6088] name failslab, interval 1, probability 0, space 0, times 0 [ 416.894640][ T6088] CPU: 0 PID: 6088 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 416.906334][ T6088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.916534][ T6088] Call Trace: [ 416.919799][ T6088] dump_stack_lvl+0x1e2/0x24b [ 416.924451][ T6088] ? panic+0x7d7/0x7d7 [ 416.928513][ T6088] ? bfq_pos_tree_add_move+0x43e/0x43e [ 416.933945][ T6088] dump_stack+0x15/0x17 [ 416.938069][ T6088] should_fail+0x3c0/0x510 [ 416.942456][ T6088] ? pids_css_alloc+0x4e/0x120 [ 416.947195][ T6088] __should_failslab+0x9f/0xe0 [ 416.951928][ T6088] should_failslab+0x9/0x20 [ 416.956405][ T6088] kmem_cache_alloc_trace+0x3a/0x330 [ 416.961834][ T6088] pids_css_alloc+0x4e/0x120 [ 416.966479][ T6088] cgroup_apply_control_enable+0x6d9/0x12e0 [ 416.972342][ T6088] cgroup_apply_control+0x93/0x710 [ 416.977421][ T6088] ? css_next_child+0x160/0x160 [ 416.982240][ T6088] ? stack_trace_save+0x12d/0x1f0 [ 416.987233][ T6088] ? io_schedule+0x120/0x120 [ 416.991798][ T6088] ? kernfs_fop_write_iter+0x15e/0x410 [ 416.997229][ T6088] ? __kasan_check_write+0x14/0x20 [ 417.002395][ T6088] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 417.007648][ T6088] cgroup_subtree_control_write+0xd19/0x1310 [ 417.013608][ T6088] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 417.019557][ T6088] ? __kasan_check_write+0x14/0x20 [ 417.024641][ T6088] ? _copy_from_iter+0x3fb/0xd60 [ 417.029548][ T6088] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 417.035498][ T6088] cgroup_file_write+0x28e/0x590 [ 417.040404][ T6088] ? cgroup_seqfile_stop+0xc0/0xc0 [ 417.045482][ T6088] ? mutex_lock+0xa6/0x110 [ 417.049870][ T6088] ? mutex_trylock+0xb0/0xb0 [ 417.054432][ T6088] ? __kasan_check_write+0x14/0x20 [ 417.059684][ T6088] kernfs_fop_write_iter+0x2d0/0x410 [ 417.064951][ T6088] ? cgroup_seqfile_stop+0xc0/0xc0 [ 417.070042][ T6088] vfs_write+0xc1c/0xf40 [ 417.074262][ T6088] ? slab_free_freelist_hook+0xcc/0x1a0 [ 417.079784][ T6088] ? kernel_write+0x3c0/0x3c0 [ 417.084431][ T6088] ? do_sys_openat2+0x397/0x470 [ 417.089253][ T6088] ? __kasan_check_read+0x11/0x20 [ 417.094248][ T6088] ? __fdget_pos+0x27e/0x310 [ 417.098816][ T6088] ksys_write+0x198/0x2c0 [ 417.103122][ T6088] ? __ia32_sys_read+0x90/0x90 [ 417.107856][ T6088] ? debug_smp_processor_id+0x17/0x20 [ 417.113422][ T6088] __x64_sys_write+0x7b/0x90 [ 417.117990][ T6088] do_syscall_64+0x34/0x70 [ 417.122558][ T6088] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 417.128432][ T6088] RIP: 0033:0x7f777aae6c09 [ 417.132823][ T6088] 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 [ 417.152534][ T6088] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 417.160924][ T6088] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 417.168869][ T6088] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 417.176829][ T6088] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 417.184779][ T6088] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 417.192758][ T6088] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000004 [ 417.200858][ T6088] !!!! css_create css fffffffffffffff4 !!!! [ 417.207723][ T6088] !!!! control_disable control_disable ss name cpu [ 417.214221][ T6088] !!!! control_disable control_disable ss name memory [ 417.220949][ T6088] !!!! control_disable control_disable ss name pids [ 417.227537][ T6088] !!!! control_disable kill_css(ffff888117675400) [ 417.234060][ T6088] !!!! control_disable control_disable ss name cpu [ 417.240538][ T6088] !!!! control_disable control_disable ss name memory [ 417.247299][ T6088] !!!! control_disable control_disable ss name pids [ 417.253894][ T6088] !!!! control_disable kill_css(ffff888117674800) [ 417.260412][ T6088] !!!! control_disable control_disable ss name cpu [ 417.266926][ T6088] !!!! control_disable control_disable ss name memory [ 417.273678][ T6088] !!!! control_disable control_disable ss name cpu [ 417.280146][ T6088] !!!! control_disable control_disable ss name memory [ 417.286901][ T6088] !!!! control_disable control_disable ss name cpu [ 417.293389][ T6088] !!!! control_disable control_disable ss name memory [ 417.300118][ T6088] !!!! control_disable control_disable ss name cpu [ 417.306709][ T6088] !!!! control_disable control_disable ss name memory [ 417.313459][ T6088] !!!! control_disable control_disable ss name cpu [ 417.319926][ T6088] !!!! control_disable control_disable ss name memory [ 417.326671][ T6088] !!!! control_disable control_disable ss name pids [ 417.333280][ T6088] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 417.381369][ C0] !!!! css_killed_ref_fn enqueue(ffff888117675400) [ 417.388007][ C0] !!!! css_killed_ref_fn enqueue(ffff888117674800) [ 417.394805][ T74] !!!! css_killed_work_fn css_put(ffff888117675400) [ 417.401511][ T74] !!!! css_killed_work_fn css_put(ffff888117674800) [ 417.408373][ T6090] !!!! css_create css ffff88811c25d800 !!!! [ 417.414421][ T6090] !!!! css_create css ffff888116f63c00 !!!! [ 417.420975][ T6090] !!!! css_create css ffff888116f62000 !!!! [ 417.427463][ T6090] FAULT_INJECTION: forcing a failure. [ 417.427463][ T6090] name failslab, interval 1, probability 0, space 0, times 0 [ 417.440825][ T6090] CPU: 1 PID: 6090 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 417.452740][ T6090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.463658][ T6090] Call Trace: [ 417.467021][ T6090] dump_stack_lvl+0x1e2/0x24b [ 417.472023][ T6090] ? bfq_pos_tree_add_move+0x43e/0x43e [ 417.477479][ T6090] dump_stack+0x15/0x17 [ 417.481830][ T6090] should_fail+0x3c0/0x510 [ 417.486227][ T6090] ? __kernfs_new_node+0x99/0x6e0 [ 417.491223][ T6090] __should_failslab+0x9f/0xe0 [ 417.495961][ T6090] should_failslab+0x9/0x20 [ 417.500520][ T6090] __kmalloc_track_caller+0x5f/0x350 [ 417.505872][ T6090] kstrdup_const+0x55/0x90 [ 417.510257][ T6090] __kernfs_new_node+0x99/0x6e0 [ 417.515163][ T6090] ? stack_trace_save+0x1f0/0x1f0 [ 417.520157][ T6090] ? kernfs_new_node+0x170/0x170 [ 417.525080][ T6090] ? ptr_to_hashval+0x60/0x60 [ 417.529725][ T6090] ? snprintf+0xd6/0x120 [ 417.533936][ T6090] kernfs_new_node+0x97/0x170 [ 417.538591][ T6090] __kernfs_create_file+0x4a/0x270 [ 417.543682][ T6090] cgroup_addrm_files+0xab8/0xfe0 [ 417.548711][ T6090] ? cgroup_apply_control_enable+0x734/0x12e0 [ 417.554746][ T6090] ? cgroup_apply_control+0x93/0x710 [ 417.560171][ T6090] ? cgroup_subtree_control_write+0xd19/0x1310 [ 417.566494][ T6090] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 417.572638][ T6090] ? delete_node+0x759/0x7b0 [ 417.577330][ T6090] ? __kasan_check_read+0x11/0x20 [ 417.582824][ T6090] ? delete_node+0x759/0x7b0 [ 417.587406][ T6090] ? __kasan_check_write+0x14/0x20 [ 417.592583][ T6090] ? __radix_tree_replace+0x246/0x2e0 [ 417.597933][ T6090] ? idr_get_next+0x4b0/0x4b0 [ 417.602582][ T6090] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 417.607898][ T6090] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 417.613254][ T6090] css_populate_dir+0x137/0x370 [ 417.618087][ T6090] cgroup_apply_control_enable+0x629/0x12e0 [ 417.623951][ T6090] cgroup_apply_control+0x93/0x710 [ 417.629029][ T6090] ? css_next_child+0x160/0x160 [ 417.633869][ T6090] ? stack_trace_save+0x12d/0x1f0 [ 417.639058][ T6090] ? io_schedule+0x120/0x120 [ 417.643616][ T6090] ? kernfs_fop_write_iter+0x15e/0x410 [ 417.649041][ T6090] ? __kasan_check_write+0x14/0x20 [ 417.654125][ T6090] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 417.659386][ T6090] cgroup_subtree_control_write+0xd19/0x1310 [ 417.665422][ T6090] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 417.671379][ T6090] ? __kasan_check_write+0x14/0x20 [ 417.677847][ T6090] ? _copy_from_iter+0x3fb/0xd60 [ 417.682751][ T6090] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 417.689217][ T6090] cgroup_file_write+0x28e/0x590 [ 417.694121][ T6090] ? cgroup_seqfile_stop+0xc0/0xc0 [ 417.699224][ T6090] ? mutex_lock+0xa6/0x110 [ 417.703630][ T6090] ? mutex_trylock+0xb0/0xb0 [ 417.708237][ T6090] ? __kasan_check_write+0x14/0x20 [ 417.713332][ T6090] kernfs_fop_write_iter+0x2d0/0x410 [ 417.719379][ T6090] ? cgroup_seqfile_stop+0xc0/0xc0 [ 417.724458][ T6090] vfs_write+0xc1c/0xf40 [ 417.728693][ T6090] ? slab_free_freelist_hook+0xcc/0x1a0 [ 417.734297][ T6090] ? kernel_write+0x3c0/0x3c0 [ 417.738949][ T6090] ? do_sys_openat2+0x397/0x470 [ 417.743878][ T6090] ? __kasan_check_read+0x11/0x20 [ 417.749046][ T6090] ? __fdget_pos+0x27e/0x310 [ 417.753603][ T6090] ksys_write+0x198/0x2c0 [ 417.757980][ T6090] ? __ia32_sys_read+0x90/0x90 [ 417.763144][ T6090] ? debug_smp_processor_id+0x17/0x20 [ 417.768749][ T6090] __x64_sys_write+0x7b/0x90 [ 417.773309][ T6090] do_syscall_64+0x34/0x70 [ 417.777867][ T6090] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 417.783739][ T6090] RIP: 0033:0x7f777aae6c09 [ 417.788297][ T6090] 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 [ 417.807958][ T6090] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 417.816347][ T6090] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 417.824289][ T6090] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 417.832238][ T6090] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 417.840351][ T6090] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 417.848482][ T6090] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000002 [ 417.857252][ T6090] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 417.864368][ T6090] !!!! control_disable control_disable ss name cpu [ 417.870877][ T6090] !!!! control_disable control_disable ss name memory [ 417.877676][ T6090] !!!! control_disable control_disable ss name pids [ 417.884303][ T6090] !!!! control_disable kill_css(ffff88811c25d800) [ 417.890934][ T6090] !!!! control_disable control_disable ss name cpu [ 417.897575][ T6090] !!!! control_disable control_disable ss name memory [ 417.904410][ T6090] !!!! control_disable control_disable ss name pids [ 417.910999][ T6090] !!!! control_disable kill_css(ffff888116f63c00) [ 417.917843][ C0] !!!! css_killed_ref_fn enqueue(ffff88811c25d800) [ 417.924552][ T6090] !!!! control_disable control_disable ss name cpu [ 417.931076][ T6090] !!!! control_disable control_disable ss name memory [ 417.937845][ T6090] !!!! control_disable control_disable ss name pids [ 417.944425][ T6090] !!!! control_disable kill_css(ffff888116f62000) [ 417.950899][ T6090] !!!! control_disable control_disable ss name cpu [ 417.957398][ T6090] !!!! control_disable control_disable ss name memory [ 417.964143][ T6090] !!!! control_disable control_disable ss name cpu [ 417.970611][ T6090] !!!! control_disable control_disable ss name memory [ 417.977362][ T6090] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 417.983852][ T6090] !!!! control_disable control_disable ss name memory [ 417.990582][ T6090] !!!! control_disable control_disable ss name cpu [ 417.997069][ T6090] !!!! control_disable control_disable ss name memory [ 418.003818][ T6090] !!!! control_disable control_disable ss name pids [ 418.010381][ T6090] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 418.016889][ T74] !!!! css_killed_work_fn css_put(ffff88811c25d800) [ 418.023795][ C0] !!!! css_killed_ref_fn enqueue(ffff888116f63c00) [ 418.030388][ T74] !!!! css_killed_work_fn css_put(ffff888116f63c00) [ 418.037106][ C0] !!!! css_killed_ref_fn enqueue(ffff888116f62000) [ 418.043734][ T74] !!!! css_killed_work_fn css_put(ffff888116f62000) [ 418.050459][ T6091] !!!! css_create css ffff88811e5f7c00 !!!! [ 418.056541][ T6091] !!!! css_create css ffff88811e5f5800 !!!! [ 418.062566][ T6091] !!!! css_create css ffff8881103f6400 !!!! [ 418.068507][ T6091] FAULT_INJECTION: forcing a failure. [ 418.068507][ T6091] name failslab, interval 1, probability 0, space 0, times 0 [ 418.081181][ T6091] CPU: 1 PID: 6091 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 418.092867][ T6091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.102892][ T6091] Call Trace: [ 418.106156][ T6091] dump_stack_lvl+0x1e2/0x24b [ 418.111038][ T6091] ? bfq_pos_tree_add_move+0x43e/0x43e [ 418.116476][ T6091] dump_stack+0x15/0x17 [ 418.120668][ T6091] should_fail+0x3c0/0x510 [ 418.125055][ T6091] ? __kernfs_new_node+0x99/0x6e0 [ 418.130064][ T6091] __should_failslab+0x9f/0xe0 [ 418.134797][ T6091] should_failslab+0x9/0x20 [ 418.139450][ T6091] __kmalloc_track_caller+0x5f/0x350 [ 418.144709][ T6091] kstrdup_const+0x55/0x90 [ 418.149091][ T6091] __kernfs_new_node+0x99/0x6e0 [ 418.153913][ T6091] ? stack_trace_save+0x1f0/0x1f0 [ 418.158906][ T6091] ? kernfs_new_node+0x170/0x170 [ 418.163826][ T6091] ? ptr_to_hashval+0x60/0x60 [ 418.168475][ T6091] ? snprintf+0xd6/0x120 [ 418.172686][ T6091] kernfs_new_node+0x97/0x170 [ 418.177335][ T6091] __kernfs_create_file+0x4a/0x270 [ 418.182416][ T6091] cgroup_addrm_files+0xab8/0xfe0 [ 418.187415][ T6091] ? cgroup_apply_control_enable+0x734/0x12e0 [ 418.193449][ T6091] ? cgroup_apply_control+0x93/0x710 [ 418.198703][ T6091] ? cgroup_subtree_control_write+0xd19/0x1310 [ 418.204822][ T6091] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 418.211117][ T6091] ? delete_node+0x759/0x7b0 [ 418.215675][ T6091] ? __kasan_check_read+0x11/0x20 [ 418.220664][ T6091] ? delete_node+0x759/0x7b0 [ 418.225313][ T6091] ? __kasan_check_write+0x14/0x20 [ 418.231016][ T6091] ? __radix_tree_replace+0x246/0x2e0 [ 418.236357][ T6091] ? idr_get_next+0x4b0/0x4b0 [ 418.241103][ T6091] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 418.246129][ T6091] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 418.251660][ T6091] css_populate_dir+0x137/0x370 [ 418.256613][ T6091] cgroup_apply_control_enable+0x629/0x12e0 [ 418.262505][ T6091] cgroup_apply_control+0x93/0x710 [ 418.267805][ T6091] ? css_next_child+0x160/0x160 [ 418.272636][ T6091] ? stack_trace_save+0x12d/0x1f0 [ 418.277647][ T6091] ? io_schedule+0x120/0x120 [ 418.282909][ T6091] ? kernfs_fop_write_iter+0x15e/0x410 [ 418.288342][ T6091] ? __kasan_check_write+0x14/0x20 [ 418.293447][ T6091] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 418.298901][ T6091] cgroup_subtree_control_write+0xd19/0x1310 [ 418.305411][ T6091] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 418.311393][ T6091] ? __kasan_check_write+0x14/0x20 [ 418.316580][ T6091] ? _copy_from_iter+0x3fb/0xd60 [ 418.322271][ T6091] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 418.328220][ T6091] cgroup_file_write+0x28e/0x590 [ 418.333128][ T6091] ? cgroup_seqfile_stop+0xc0/0xc0 [ 418.339005][ T6091] ? mutex_lock+0xa6/0x110 [ 418.343589][ T6091] ? mutex_trylock+0xb0/0xb0 [ 418.348434][ T6091] ? __kasan_check_write+0x14/0x20 [ 418.353808][ T6091] kernfs_fop_write_iter+0x2d0/0x410 [ 418.359070][ T6091] ? cgroup_seqfile_stop+0xc0/0xc0 [ 418.364156][ T6091] vfs_write+0xc1c/0xf40 [ 418.368468][ T6091] ? slab_free_freelist_hook+0xcc/0x1a0 [ 418.374530][ T6091] ? kernel_write+0x3c0/0x3c0 [ 418.379196][ T6091] ? do_sys_openat2+0x397/0x470 [ 418.384111][ T6091] ? __kasan_check_read+0x11/0x20 [ 418.389370][ T6091] ? __fdget_pos+0x27e/0x310 [ 418.394203][ T6091] ksys_write+0x198/0x2c0 [ 418.398607][ T6091] ? __ia32_sys_read+0x90/0x90 [ 418.403452][ T6091] ? debug_smp_processor_id+0x17/0x20 [ 418.408893][ T6091] __x64_sys_write+0x7b/0x90 [ 418.413473][ T6091] do_syscall_64+0x34/0x70 [ 418.417868][ T6091] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 418.423732][ T6091] RIP: 0033:0x7f777aae6c09 [ 418.428155][ T6091] 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 [ 418.447967][ T6091] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 418.456544][ T6091] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 418.464535][ T6091] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 418.472485][ T6091] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 418.480522][ T6091] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 418.488471][ T6091] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000002 [ 418.496639][ T6091] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 418.503729][ T6091] !!!! control_disable control_disable ss name cpu [ 418.510350][ T6091] !!!! control_disable control_disable ss name memory [ 418.517210][ T6091] !!!! control_disable control_disable ss name pids [ 418.523874][ T6091] !!!! control_disable kill_css(ffff88811e5f7c00) [ 418.530395][ T6091] !!!! control_disable control_disable ss name cpu [ 418.536921][ T6091] !!!! control_disable control_disable ss name memory [ 418.543720][ T6091] !!!! control_disable control_disable ss name pids [ 418.550307][ T6091] !!!! control_disable kill_css(ffff88811e5f5800) [ 418.556809][ C0] !!!! css_killed_ref_fn enqueue(ffff88811e5f7c00) [ 418.563409][ T6091] !!!! control_disable control_disable ss name cpu [ 418.569886][ T6091] !!!! control_disable control_disable ss name memory [ 418.576638][ T6091] !!!! control_disable control_disable ss name pids [ 418.583216][ T6091] !!!! control_disable kill_css(ffff8881103f6400) [ 418.589687][ T6091] !!!! control_disable control_disable ss name cpu [ 418.596195][ T6091] !!!! control_disable control_disable ss name memory [ 418.603083][ T6091] !!!! control_disable control_disable ss name cpu [ 418.609559][ T6091] !!!! control_disable control_disable ss name memory [ 418.616311][ T6091] !!!! control_disable control_disable ss name cpu [ 418.622921][ T6091] !!!! control_disable control_disable ss name memory [ 418.629662][ T6091] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 418.636203][ T6091] !!!! control_disable control_disable ss name memory [ 418.642964][ T6091] !!!! control_disable control_disable ss name pids [ 418.649572][ T6091] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 418.649588][ T74] !!!! css_killed_work_fn css_put(ffff88811e5f7c00) [ 418.657893][ C1] !!!! css_killed_ref_fn enqueue(ffff88811e5f5800) [ 418.669371][ T6075] !!!! css_killed_work_fn css_put(ffff88811e5f5800) [ 418.676114][ C1] !!!! css_killed_ref_fn enqueue(ffff8881103f6400) [ 418.683805][ T6075] !!!! css_killed_work_fn css_put(ffff8881103f6400) [ 418.690567][ T6098] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 418.690673][ T6099] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 418.697184][ T6097] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 418.703822][ T6099] !!!! css_create css ffff888110b5f000 !!!! [ 418.716047][ T6099] !!!! css_create css ffff888110b5e400 !!!! [ 418.721976][ T6099] !!!! css_create css ffff888110b5e800 !!!! [ 418.727866][ T6099] FAULT_INJECTION: forcing a failure. [ 418.727866][ T6099] name failslab, interval 1, probability 0, space 0, times 0 [ 418.740719][ T6099] CPU: 0 PID: 6099 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 418.752416][ T6099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.762450][ T6099] Call Trace: [ 418.765733][ T6099] dump_stack_lvl+0x1e2/0x24b [ 418.770382][ T6099] ? bfq_pos_tree_add_move+0x43e/0x43e [ 418.775815][ T6099] ? serial8250_console_write+0xae0/0xe60 [ 418.781506][ T6099] ? record_print_text+0x266/0x420 [ 418.786592][ T6099] dump_stack+0x15/0x17 [ 418.790717][ T6099] should_fail+0x3c0/0x510 [ 418.795103][ T6099] ? __kernfs_new_node+0x99/0x6e0 [ 418.800096][ T6099] __should_failslab+0x9f/0xe0 [ 418.804826][ T6099] should_failslab+0x9/0x20 [ 418.809299][ T6099] __kmalloc_track_caller+0x5f/0x350 [ 418.814642][ T6099] kstrdup_const+0x55/0x90 [ 418.819032][ T6099] __kernfs_new_node+0x99/0x6e0 [ 418.823852][ T6099] ? stack_trace_save+0x1f0/0x1f0 [ 418.828854][ T6099] ? kernfs_new_node+0x170/0x170 [ 418.833761][ T6099] ? ptr_to_hashval+0x60/0x60 [ 418.838413][ T6099] ? snprintf+0xd6/0x120 [ 418.842632][ T6099] kernfs_new_node+0x97/0x170 [ 418.847291][ T6099] __kernfs_create_file+0x4a/0x270 [ 418.852370][ T6099] cgroup_addrm_files+0xab8/0xfe0 [ 418.857376][ T6099] ? cgroup_apply_control_enable+0x734/0x12e0 [ 418.863418][ T6099] ? cgroup_apply_control+0x93/0x710 [ 418.868677][ T6099] ? cgroup_subtree_control_write+0xd19/0x1310 [ 418.874808][ T6099] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 418.880929][ T6099] ? delete_node+0x759/0x7b0 [ 418.885671][ T6099] ? __kasan_check_read+0x11/0x20 [ 418.890664][ T6099] ? delete_node+0x759/0x7b0 [ 418.895222][ T6099] ? __kasan_check_write+0x14/0x20 [ 418.900311][ T6099] ? __radix_tree_replace+0x246/0x2e0 [ 418.905738][ T6099] ? idr_get_next+0x4b0/0x4b0 [ 418.910571][ T6099] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 418.915582][ T6099] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 418.920748][ T6099] css_populate_dir+0x137/0x370 [ 418.925577][ T6099] cgroup_apply_control_enable+0x629/0x12e0 [ 418.931439][ T6099] cgroup_apply_control+0x93/0x710 [ 418.936522][ T6099] ? css_next_child+0x160/0x160 [ 418.941364][ T6099] ? stack_trace_save+0x12d/0x1f0 [ 418.946358][ T6099] ? io_schedule+0x120/0x120 [ 418.950924][ T6099] ? kernfs_fop_write_iter+0x15e/0x410 [ 418.956352][ T6099] ? __kasan_check_write+0x14/0x20 [ 418.961432][ T6099] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 418.966688][ T6099] cgroup_subtree_control_write+0xd19/0x1310 [ 418.972645][ T6099] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 418.978595][ T6099] ? __kasan_check_write+0x14/0x20 [ 418.983677][ T6099] ? _copy_from_iter+0x3fb/0xd60 [ 418.988584][ T6099] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 418.994631][ T6099] cgroup_file_write+0x28e/0x590 [ 418.999544][ T6099] ? cgroup_seqfile_stop+0xc0/0xc0 [ 419.004623][ T6099] ? mutex_lock+0xa6/0x110 [ 419.009009][ T6099] ? mutex_trylock+0xb0/0xb0 [ 419.013572][ T6099] ? __kasan_check_write+0x14/0x20 [ 419.018651][ T6099] kernfs_fop_write_iter+0x2d0/0x410 [ 419.023907][ T6099] ? cgroup_seqfile_stop+0xc0/0xc0 [ 419.028988][ T6099] vfs_write+0xc1c/0xf40 [ 419.033196][ T6099] ? slab_free_freelist_hook+0xcc/0x1a0 [ 419.038730][ T6099] ? kernel_write+0x3c0/0x3c0 [ 419.043645][ T6099] ? do_sys_openat2+0x397/0x470 [ 419.048464][ T6099] ? __kasan_check_read+0x11/0x20 [ 419.053467][ T6099] ? __fdget_pos+0x27e/0x310 [ 419.058034][ T6099] ksys_write+0x198/0x2c0 [ 419.062342][ T6099] ? __ia32_sys_read+0x90/0x90 [ 419.067074][ T6099] ? debug_smp_processor_id+0x17/0x20 [ 419.072416][ T6099] __x64_sys_write+0x7b/0x90 [ 419.076979][ T6099] do_syscall_64+0x34/0x70 [ 419.081365][ T6099] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 419.087225][ T6099] RIP: 0033:0x7f777aae6c09 [ 419.091615][ T6099] 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 [ 419.111535][ T6099] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 419.119927][ T6099] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 419.128129][ T6099] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 419.136070][ T6099] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 419.144249][ T6099] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 419.152194][ T6099] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000003 [ 419.160979][ T6099] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 419.168114][ T6099] !!!! control_disable control_disable ss name cpu [ 419.175082][ T6099] !!!! control_disable control_disable ss name memory [ 419.181874][ T6099] !!!! control_disable control_disable ss name pids [ 419.188435][ T6099] !!!! control_disable kill_css(ffff888110b5f000) [ 419.195019][ T6099] !!!! control_disable control_disable ss name cpu [ 419.201559][ T6099] !!!! control_disable control_disable ss name memory [ 419.208336][ T6099] !!!! control_disable control_disable ss name pids [ 419.214957][ T6099] !!!! control_disable kill_css(ffff888110b5e400) [ 419.221556][ T6099] !!!! control_disable control_disable ss name cpu [ 419.228035][ T6099] !!!! control_disable control_disable ss name memory [ 419.234822][ C0] !!!! css_killed_ref_fn enqueue(ffff888110b5f000) [ 419.241514][ T6099] !!!! control_disable control_disable ss name pids [ 419.248337][ T6099] !!!! control_disable kill_css(ffff888110b5e800) [ 419.254840][ T6099] !!!! control_disable control_disable ss name cpu [ 419.261364][ C0] !!!! css_killed_ref_fn enqueue(ffff888110b5e400) [ 419.267949][ T6099] !!!! control_disable control_disable ss name memory [ 419.275150][ T6099] !!!! control_disable control_disable ss name cpu [ 419.281829][ T6099] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 419.289083][ T6099] !!!! control_disable control_disable ss name cpu [ 419.295763][ T6099] !!!! control_disable control_disable ss name memory [ 419.302810][ T6099] !!!! control_disable control_disable ss name cpu [ 419.309285][ T6099] !!!! control_disable control_disable ss name memory [ 419.316207][ T6099] !!!! control_disable control_disable ss name pids [ 419.322788][ T6099] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 419.329377][ T74] !!!! css_killed_work_fn css_put(ffff888110b5f000) [ 419.336082][ T74] !!!! css_killed_work_fn css_put(ffff888110b5e400) [ 419.343566][ C0] !!!! css_killed_ref_fn enqueue(ffff888110b5e800) [ 419.350431][ T74] !!!! css_killed_work_fn css_put(ffff888110b5e800) [ 419.357319][ T6096] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 419.357337][ T6095] !!!! css_create css ffff88811c214800 !!!! [ 419.370438][ T6095] !!!! css_create css ffff88811c214400 !!!! [ 419.376387][ T6095] !!!! css_create css ffff88811c217c00 !!!! [ 419.382364][ T6095] FAULT_INJECTION: forcing a failure. [ 419.382364][ T6095] name failslab, interval 1, probability 0, space 0, times 0 [ 419.395037][ T6095] CPU: 0 PID: 6095 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 419.406726][ T6095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.416760][ T6095] Call Trace: [ 419.420023][ T6095] dump_stack_lvl+0x1e2/0x24b [ 419.424675][ T6095] ? bfq_pos_tree_add_move+0x43e/0x43e [ 419.430119][ T6095] ? find_next_bit+0xd6/0x120 [ 419.434778][ T6095] ? cpumask_next+0x11/0x30 [ 419.439527][ T6095] dump_stack+0x15/0x17 [ 419.443935][ T6095] should_fail+0x3c0/0x510 [ 419.448328][ T6095] ? percpu_ref_init+0xd0/0x330 [ 419.453149][ T6095] __should_failslab+0x9f/0xe0 [ 419.457896][ T6095] should_failslab+0x9/0x20 [ 419.462392][ T6095] kmem_cache_alloc_trace+0x3a/0x330 [ 419.467656][ T6095] percpu_ref_init+0xd0/0x330 [ 419.472317][ T6095] ? cgroup_setup_root+0xea0/0xea0 [ 419.477407][ T6095] cgroup_apply_control_enable+0x734/0x12e0 [ 419.483280][ T6095] cgroup_apply_control+0x93/0x710 [ 419.488487][ T6095] ? css_next_child+0x160/0x160 [ 419.493324][ T6095] ? stack_trace_save+0x12d/0x1f0 [ 419.498331][ T6095] ? io_schedule+0x120/0x120 [ 419.502899][ T6095] ? kernfs_fop_write_iter+0x15e/0x410 [ 419.508329][ T6095] ? __kasan_check_write+0x14/0x20 [ 419.513422][ T6095] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 419.518678][ T6095] cgroup_subtree_control_write+0xd19/0x1310 [ 419.524630][ T6095] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 419.530580][ T6095] ? __kasan_check_write+0x14/0x20 [ 419.535662][ T6095] ? _copy_from_iter+0x3fb/0xd60 [ 419.540568][ T6095] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 419.546520][ T6095] cgroup_file_write+0x28e/0x590 [ 419.551428][ T6095] ? cgroup_seqfile_stop+0xc0/0xc0 [ 419.556506][ T6095] ? mutex_lock+0xa6/0x110 [ 419.560890][ T6095] ? mutex_trylock+0xb0/0xb0 [ 419.565447][ T6095] ? __kasan_check_write+0x14/0x20 [ 419.570543][ T6095] kernfs_fop_write_iter+0x2d0/0x410 [ 419.575802][ T6095] ? cgroup_seqfile_stop+0xc0/0xc0 [ 419.580905][ T6095] vfs_write+0xc1c/0xf40 [ 419.585117][ T6095] ? slab_free_freelist_hook+0xcc/0x1a0 [ 419.590634][ T6095] ? kernel_write+0x3c0/0x3c0 [ 419.595279][ T6095] ? do_sys_openat2+0x397/0x470 [ 419.600101][ T6095] ? __kasan_check_read+0x11/0x20 [ 419.605097][ T6095] ? __fdget_pos+0x27e/0x310 [ 419.609663][ T6095] ksys_write+0x198/0x2c0 [ 419.613961][ T6095] ? __ia32_sys_read+0x90/0x90 [ 419.618742][ T6095] ? debug_smp_processor_id+0x17/0x20 [ 419.624094][ T6095] __x64_sys_write+0x7b/0x90 [ 419.628659][ T6095] do_syscall_64+0x34/0x70 [ 419.633046][ T6095] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 419.638908][ T6095] RIP: 0033:0x7f777aae6c09 [ 419.643301][ T6095] 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 [ 419.663209][ T6095] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 419.671610][ T6095] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 419.679555][ T6095] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 419.687673][ T6095] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 419.695613][ T6095] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 419.703554][ T6095] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000004 [ 419.711665][ T6095] !!!! css_create rcu_enqueue(ffff88811c217c00) !!!! [ 419.718337][ T6095] !!!! control_disable control_disable ss name cpu [ 419.724841][ T6095] !!!! control_disable control_disable ss name memory [ 419.731856][ T6095] !!!! control_disable control_disable ss name pids [ 419.738423][ T6095] !!!! control_disable kill_css(ffff88811c214800) [ 419.745001][ T6095] !!!! control_disable control_disable ss name cpu [ 419.751517][ T6095] !!!! control_disable control_disable ss name memory [ 419.758251][ T6095] !!!! control_disable control_disable ss name pids [ 419.764822][ T6095] !!!! control_disable kill_css(ffff88811c214400) [ 419.771364][ T6095] !!!! control_disable control_disable ss name cpu [ 419.777920][ T6095] !!!! control_disable control_disable ss name memory [ 419.784691][ C0] !!!! css_killed_ref_fn enqueue(ffff88811c214800) [ 419.791282][ T6095] !!!! control_disable control_disable ss name cpu [ 419.797782][ T6095] !!!! control_disable control_disable ss name memory [ 419.804539][ T6095] !!!! control_disable control_disable ss name cpu [ 419.811013][ T6095] !!!! control_disable control_disable ss name memory [ 419.817847][ T6095] !!!! control_disable control_disable ss name cpu [ 419.824338][ T6095] !!!! control_disable control_disable ss name memory [ 419.831064][ T6095] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 419.837730][ T6095] !!!! control_disable control_disable ss name memory [ 419.844484][ T6095] !!!! control_disable control_disable ss name pids [ 419.851048][ T6095] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 419.857549][ T74] !!!! css_killed_work_fn css_put(ffff88811c214800) [ 419.864576][ C0] !!!! css_killed_ref_fn enqueue(ffff88811c214400) [ 419.871336][ T74] !!!! css_killed_work_fn css_put(ffff88811c214400) [ 419.878072][ T6098] !!!! css_create css ffff888119361c00 !!!! [ 419.884043][ T6098] !!!! css_create css ffff888119362c00 !!!! [ 419.889973][ T6098] !!!! css_create css ffff88811c215c00 !!!! [ 419.895947][ T6098] FAULT_INJECTION: forcing a failure. [ 419.895947][ T6098] name failslab, interval 1, probability 0, space 0, times 0 [ 419.908700][ T6098] CPU: 1 PID: 6098 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 419.920395][ T6098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.930493][ T6098] Call Trace: [ 419.933756][ T6098] dump_stack_lvl+0x1e2/0x24b [ 419.938402][ T6098] ? bfq_pos_tree_add_move+0x43e/0x43e [ 419.943934][ T6098] dump_stack+0x15/0x17 [ 419.948059][ T6098] should_fail+0x3c0/0x510 [ 419.952444][ T6098] ? __kernfs_new_node+0x99/0x6e0 [ 419.957444][ T6098] __should_failslab+0x9f/0xe0 [ 419.962188][ T6098] should_failslab+0x9/0x20 [ 419.966662][ T6098] __kmalloc_track_caller+0x5f/0x350 [ 419.971932][ T6098] kstrdup_const+0x55/0x90 [ 419.976320][ T6098] __kernfs_new_node+0x99/0x6e0 [ 419.981141][ T6098] ? stack_trace_save+0x1f0/0x1f0 [ 419.986145][ T6098] ? kernfs_new_node+0x170/0x170 [ 419.991064][ T6098] ? ptr_to_hashval+0x60/0x60 [ 419.995733][ T6098] ? snprintf+0xd6/0x120 [ 419.999957][ T6098] kernfs_new_node+0x97/0x170 [ 420.004713][ T6098] __kernfs_create_file+0x4a/0x270 [ 420.010439][ T6098] cgroup_addrm_files+0xab8/0xfe0 [ 420.015459][ T6098] ? cgroup_apply_control_enable+0x734/0x12e0 [ 420.021521][ T6098] ? cgroup_apply_control+0x93/0x710 [ 420.027067][ T6098] ? cgroup_subtree_control_write+0xd19/0x1310 [ 420.033472][ T6098] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 420.039608][ T6098] ? delete_node+0x759/0x7b0 [ 420.044361][ T6098] ? __kasan_check_read+0x11/0x20 [ 420.049455][ T6098] ? delete_node+0x759/0x7b0 [ 420.054031][ T6098] ? __kasan_check_write+0x14/0x20 [ 420.059481][ T6098] ? __radix_tree_replace+0x246/0x2e0 [ 420.064998][ T6098] ? idr_get_next+0x4b0/0x4b0 [ 420.069666][ T6098] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 420.074691][ T6098] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 420.079863][ T6098] css_populate_dir+0x137/0x370 [ 420.084692][ T6098] cgroup_apply_control_enable+0x629/0x12e0 [ 420.090554][ T6098] cgroup_apply_control+0x93/0x710 [ 420.095635][ T6098] ? css_next_child+0x160/0x160 [ 420.100461][ T6098] ? stack_trace_save+0x12d/0x1f0 [ 420.105474][ T6098] ? io_schedule+0x120/0x120 [ 420.110130][ T6098] ? kernfs_fop_write_iter+0x15e/0x410 [ 420.115576][ T6098] ? __kasan_check_write+0x14/0x20 [ 420.120676][ T6098] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 420.125941][ T6098] cgroup_subtree_control_write+0xd19/0x1310 [ 420.132007][ T6098] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 420.137960][ T6098] ? __kasan_check_write+0x14/0x20 [ 420.143042][ T6098] ? _copy_from_iter+0x3fb/0xd60 [ 420.148047][ T6098] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 420.154011][ T6098] cgroup_file_write+0x28e/0x590 [ 420.158919][ T6098] ? cgroup_seqfile_stop+0xc0/0xc0 [ 420.164002][ T6098] ? mutex_lock+0xa6/0x110 [ 420.168388][ T6098] ? mutex_trylock+0xb0/0xb0 [ 420.172952][ T6098] ? __kasan_check_write+0x14/0x20 [ 420.178138][ T6098] kernfs_fop_write_iter+0x2d0/0x410 [ 420.183393][ T6098] ? cgroup_seqfile_stop+0xc0/0xc0 [ 420.188485][ T6098] vfs_write+0xc1c/0xf40 [ 420.192697][ T6098] ? slab_free_freelist_hook+0xcc/0x1a0 [ 420.198212][ T6098] ? kernel_write+0x3c0/0x3c0 [ 420.203314][ T6098] ? do_sys_openat2+0x397/0x470 [ 420.208167][ T6098] ? __kasan_check_read+0x11/0x20 [ 420.213269][ T6098] ? __fdget_pos+0x27e/0x310 [ 420.217963][ T6098] ksys_write+0x198/0x2c0 [ 420.222711][ T6098] ? __ia32_sys_read+0x90/0x90 [ 420.227555][ T6098] ? debug_smp_processor_id+0x17/0x20 [ 420.232919][ T6098] __x64_sys_write+0x7b/0x90 [ 420.237491][ T6098] do_syscall_64+0x34/0x70 [ 420.241896][ T6098] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 420.247778][ T6098] RIP: 0033:0x7f777aae6c09 [ 420.252169][ T6098] 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 [ 420.272585][ T6098] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 420.281171][ T6098] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 420.289120][ T6098] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 420.297069][ T6098] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 420.305041][ T6098] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 420.313161][ T6098] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000003 [ 420.321386][ T6098] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 420.328809][ T6098] !!!! control_disable control_disable ss name cpu [ 420.335367][ T6098] !!!! control_disable control_disable ss name memory [ 420.342302][ T6098] !!!! control_disable control_disable ss name pids [ 420.349154][ T6098] !!!! control_disable kill_css(ffff888119361c00) [ 420.355861][ T6098] !!!! control_disable control_disable ss name cpu [ 420.363378][ T6098] !!!! control_disable control_disable ss name memory [ 420.370175][ T6098] !!!! control_disable control_disable ss name pids [ 420.376805][ T6098] !!!! control_disable kill_css(ffff888119362c00) [ 420.383362][ T6098] !!!! control_disable control_disable ss name cpu [ 420.390312][ T6098] !!!! control_disable control_disable ss name memory [ 420.391323][ C1] !!!! css_killed_ref_fn enqueue(ffff888119361c00) [ 420.397319][ T6098] !!!! control_disable control_disable ss name pids [ 420.410701][ T6098] !!!! control_disable kill_css(ffff88811c215c00) [ 420.417292][ T6098] !!!! control_disable control_disable ss name cpu [ 420.423805][ T6098] !!!! control_disable control_disable ss name memory [ 420.430896][ T6098] !!!! control_disable control_disable ss name cpu [ 420.437730][ T6098] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 420.444483][ T6098] !!!! control_disable control_disable ss name cpu [ 420.451220][ T6098] !!!! control_disable control_disable ss name memory [ 420.458446][ T6098] !!!! control_disable control_disable ss name cpu [ 420.465541][ T6098] !!!! control_disable control_disable ss name memory [ 420.472305][ T6098] !!!! control_disable control_disable ss name pids [ 420.479036][ T6098] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 420.479091][ T6075] !!!! css_killed_work_fn css_put(ffff888119361c00) [ 420.487988][ C0] !!!! css_killed_ref_fn enqueue(ffff888119362c00) [ 420.499633][ T373] !!!! css_killed_work_fn css_put(ffff888119362c00) [ 420.506314][ C0] !!!! css_killed_ref_fn enqueue(ffff88811c215c00) [ 420.514175][ T373] !!!! css_killed_work_fn css_put(ffff88811c215c00) [ 420.520932][ T6093] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 420.521062][ T6102] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 420.527473][ T6100] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 420.527603][ T6100] !!!! css_create css ffff88811c215800 !!!! [ 420.547034][ T6100] !!!! css_create css ffff88811c217400 !!!! [ 420.553005][ T6100] !!!! css_create css ffff88811c214c00 !!!! [ 420.559175][ T6100] FAULT_INJECTION: forcing a failure. [ 420.559175][ T6100] name failslab, interval 1, probability 0, space 0, times 0 [ 420.571874][ T6100] CPU: 0 PID: 6100 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 420.583830][ T6100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.594590][ T6100] Call Trace: [ 420.597863][ T6100] dump_stack_lvl+0x1e2/0x24b [ 420.602524][ T6100] ? bfq_pos_tree_add_move+0x43e/0x43e [ 420.607973][ T6100] ? serial8250_console_write+0xae0/0xe60 [ 420.613708][ T6100] ? record_print_text+0x266/0x420 [ 420.619169][ T6100] dump_stack+0x15/0x17 [ 420.623486][ T6100] should_fail+0x3c0/0x510 [ 420.627881][ T6100] ? __kernfs_new_node+0x99/0x6e0 [ 420.632905][ T6100] __should_failslab+0x9f/0xe0 [ 420.637667][ T6100] should_failslab+0x9/0x20 [ 420.642266][ T6100] __kmalloc_track_caller+0x5f/0x350 [ 420.647814][ T6100] kstrdup_const+0x55/0x90 [ 420.652212][ T6100] __kernfs_new_node+0x99/0x6e0 [ 420.657074][ T6100] ? stack_trace_save+0x1f0/0x1f0 [ 420.662625][ T6100] ? kernfs_new_node+0x170/0x170 [ 420.667542][ T6100] ? ptr_to_hashval+0x60/0x60 [ 420.672288][ T6100] ? snprintf+0xd6/0x120 [ 420.676508][ T6100] kernfs_new_node+0x97/0x170 [ 420.681168][ T6100] __kernfs_create_file+0x4a/0x270 [ 420.686264][ T6100] cgroup_addrm_files+0xab8/0xfe0 [ 420.691269][ T6100] ? cgroup_apply_control_enable+0x734/0x12e0 [ 420.697311][ T6100] ? cgroup_apply_control+0x93/0x710 [ 420.702579][ T6100] ? cgroup_subtree_control_write+0xd19/0x1310 [ 420.708891][ T6100] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 420.715027][ T6100] ? delete_node+0x759/0x7b0 [ 420.719594][ T6100] ? __kasan_check_read+0x11/0x20 [ 420.724699][ T6100] ? delete_node+0x759/0x7b0 [ 420.729279][ T6100] ? __kasan_check_write+0x14/0x20 [ 420.734383][ T6100] ? __radix_tree_replace+0x246/0x2e0 [ 420.739743][ T6100] ? idr_get_next+0x4b0/0x4b0 [ 420.744400][ T6100] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 420.749458][ T6100] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 420.754743][ T6100] css_populate_dir+0x137/0x370 [ 420.759571][ T6100] cgroup_apply_control_enable+0x629/0x12e0 [ 420.766112][ T6100] cgroup_apply_control+0x93/0x710 [ 420.771309][ T6100] ? css_next_child+0x160/0x160 [ 420.776153][ T6100] ? stack_trace_save+0x12d/0x1f0 [ 420.781422][ T6100] ? io_schedule+0x120/0x120 [ 420.786009][ T6100] ? kernfs_fop_write_iter+0x15e/0x410 [ 420.791440][ T6100] ? __kasan_check_write+0x14/0x20 [ 420.796650][ T6100] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 420.802437][ T6100] cgroup_subtree_control_write+0xd19/0x1310 [ 420.808399][ T6100] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 420.814357][ T6100] ? __kasan_check_write+0x14/0x20 [ 420.819456][ T6100] ? _copy_from_iter+0x3fb/0xd60 [ 420.824372][ T6100] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 420.830334][ T6100] cgroup_file_write+0x28e/0x590 [ 420.835249][ T6100] ? cgroup_seqfile_stop+0xc0/0xc0 [ 420.840343][ T6100] ? mutex_lock+0xa6/0x110 [ 420.844734][ T6100] ? mutex_trylock+0xb0/0xb0 [ 420.849301][ T6100] ? __kasan_check_write+0x14/0x20 [ 420.854388][ T6100] kernfs_fop_write_iter+0x2d0/0x410 [ 420.859651][ T6100] ? cgroup_seqfile_stop+0xc0/0xc0 [ 420.865189][ T6100] vfs_write+0xc1c/0xf40 [ 420.870029][ T6100] ? slab_free_freelist_hook+0xcc/0x1a0 [ 420.875813][ T6100] ? kernel_write+0x3c0/0x3c0 [ 420.880638][ T6100] ? do_sys_openat2+0x397/0x470 [ 420.885468][ T6100] ? __kasan_check_read+0x11/0x20 [ 420.890471][ T6100] ? __fdget_pos+0x27e/0x310 [ 420.895048][ T6100] ksys_write+0x198/0x2c0 [ 420.899359][ T6100] ? __ia32_sys_read+0x90/0x90 [ 420.904211][ T6100] ? debug_smp_processor_id+0x17/0x20 [ 420.909826][ T6100] __x64_sys_write+0x7b/0x90 [ 420.914491][ T6100] do_syscall_64+0x34/0x70 [ 420.919063][ T6100] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 420.925014][ T6100] RIP: 0033:0x7f777aae6c09 [ 420.929763][ T6100] 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 [ 420.949617][ T6100] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 420.958005][ T6100] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 420.965953][ T6100] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 420.974727][ T6100] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 420.983812][ T6100] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 420.991769][ T6100] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000004 [ 421.000940][ T6100] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 421.008045][ T6100] !!!! control_disable control_disable ss name cpu [ 421.014916][ T6100] !!!! control_disable control_disable ss name memory [ 421.022614][ T6100] !!!! control_disable control_disable ss name pids [ 421.029417][ T6100] !!!! control_disable kill_css(ffff88811c215800) [ 421.036083][ T6100] !!!! control_disable control_disable ss name cpu [ 421.042627][ T6100] !!!! control_disable control_disable ss name memory [ 421.049394][ T6100] !!!! control_disable control_disable ss name pids [ 421.056129][ T6100] !!!! control_disable kill_css(ffff88811c217400) [ 421.062894][ C0] !!!! css_killed_ref_fn enqueue(ffff88811c215800) [ 421.069504][ T6100] !!!! control_disable control_disable ss name cpu [ 421.076001][ T6100] !!!! control_disable control_disable ss name memory [ 421.082771][ T6100] !!!! control_disable control_disable ss name pids [ 421.089608][ T6100] !!!! control_disable kill_css(ffff88811c214c00) [ 421.096803][ T6100] !!!! control_disable control_disable ss name cpu [ 421.103905][ T6100] !!!! control_disable control_disable ss name memory [ 421.111453][ T6100] !!!! control_disable control_disable ss name cpu [ 421.118111][ T6100] !!!! control_disable control_disable ss name memory [ 421.125662][ T6100] !!!! control_disable control_disable ss name cpu [ 421.132351][ T6100] !!!! control_disable control_disable ss name memory [ 421.139513][ T6100] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 421.146609][ T6100] !!!! control_disable control_disable ss name memory [ 421.153529][ T6100] !!!! control_disable control_disable ss name pids [ 421.160105][ T6100] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 421.166729][ T373] !!!! css_killed_work_fn css_put(ffff88811c215800) [ 421.174415][ C0] !!!! css_killed_ref_fn enqueue(ffff88811c217400) [ 421.181012][ T373] !!!! css_killed_work_fn css_put(ffff88811c217400) [ 421.187781][ C0] !!!! css_killed_ref_fn enqueue(ffff88811c214c00) [ 421.194410][ T373] !!!! css_killed_work_fn css_put(ffff88811c214c00) [ 421.201332][ T6096] !!!! css_create css ffff88811c217800 !!!! [ 421.207246][ T6096] !!!! css_create css ffff88811c217000 !!!! [ 421.213176][ T6096] !!!! css_create css ffff888119304800 !!!! [ 421.219246][ T6096] FAULT_INJECTION: forcing a failure. [ 421.219246][ T6096] name failslab, interval 1, probability 0, space 0, times 0 [ 421.231843][ T6096] CPU: 0 PID: 6096 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 421.244238][ T6096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.254462][ T6096] Call Trace: [ 421.258514][ T6096] dump_stack_lvl+0x1e2/0x24b [ 421.263349][ T6096] ? bfq_pos_tree_add_move+0x43e/0x43e [ 421.268786][ T6096] ? find_next_bit+0xd6/0x120 [ 421.273457][ T6096] ? cpumask_next+0x11/0x30 [ 421.277931][ T6096] dump_stack+0x15/0x17 [ 421.282071][ T6096] should_fail+0x3c0/0x510 [ 421.286475][ T6096] ? percpu_ref_init+0xd0/0x330 [ 421.291339][ T6096] __should_failslab+0x9f/0xe0 [ 421.296356][ T6096] should_failslab+0x9/0x20 [ 421.300920][ T6096] kmem_cache_alloc_trace+0x3a/0x330 [ 421.306177][ T6096] percpu_ref_init+0xd0/0x330 [ 421.310826][ T6096] ? cgroup_setup_root+0xea0/0xea0 [ 421.315911][ T6096] cgroup_apply_control_enable+0x734/0x12e0 [ 421.321789][ T6096] cgroup_apply_control+0x93/0x710 [ 421.326883][ T6096] ? css_next_child+0x160/0x160 [ 421.331716][ T6096] ? stack_trace_save+0x12d/0x1f0 [ 421.336710][ T6096] ? io_schedule+0x120/0x120 [ 421.341269][ T6096] ? kernfs_fop_write_iter+0x15e/0x410 [ 421.346699][ T6096] ? __kasan_check_write+0x14/0x20 [ 421.351780][ T6096] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 421.357042][ T6096] cgroup_subtree_control_write+0xd19/0x1310 [ 421.363007][ T6096] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 421.368962][ T6096] ? __kasan_check_write+0x14/0x20 [ 421.374047][ T6096] ? _copy_from_iter+0x3fb/0xd60 [ 421.378966][ T6096] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 421.384979][ T6096] cgroup_file_write+0x28e/0x590 [ 421.389904][ T6096] ? cgroup_seqfile_stop+0xc0/0xc0 [ 421.394991][ T6096] ? mutex_lock+0xa6/0x110 [ 421.399380][ T6096] ? mutex_trylock+0xb0/0xb0 [ 421.403971][ T6096] ? __kasan_check_write+0x14/0x20 [ 421.409053][ T6096] kernfs_fop_write_iter+0x2d0/0x410 [ 421.414413][ T6096] ? cgroup_seqfile_stop+0xc0/0xc0 [ 421.419494][ T6096] vfs_write+0xc1c/0xf40 [ 421.423713][ T6096] ? slab_free_freelist_hook+0xcc/0x1a0 [ 421.429227][ T6096] ? kernel_write+0x3c0/0x3c0 [ 421.433880][ T6096] ? do_sys_openat2+0x397/0x470 [ 421.438724][ T6096] ? __kasan_check_read+0x11/0x20 [ 421.443725][ T6096] ? __fdget_pos+0x27e/0x310 [ 421.448291][ T6096] ksys_write+0x198/0x2c0 [ 421.452592][ T6096] ? __ia32_sys_read+0x90/0x90 [ 421.457327][ T6096] ? debug_smp_processor_id+0x17/0x20 [ 421.462668][ T6096] __x64_sys_write+0x7b/0x90 [ 421.467326][ T6096] do_syscall_64+0x34/0x70 [ 421.471714][ T6096] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 421.477577][ T6096] RIP: 0033:0x7f777aae6c09 [ 421.481961][ T6096] 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 [ 421.501538][ T6096] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 421.510878][ T6096] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 421.518824][ T6096] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 421.526959][ T6096] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 421.534995][ T6096] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 421.542945][ T6096] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000003 [ 421.551121][ T6096] !!!! css_create rcu_enqueue(ffff888119304800) !!!! [ 421.558164][ T6096] !!!! control_disable control_disable ss name cpu [ 421.564861][ T6096] !!!! control_disable control_disable ss name memory [ 421.571871][ T6096] !!!! control_disable control_disable ss name pids [ 421.578633][ T6096] !!!! control_disable kill_css(ffff88811c217800) [ 421.585259][ T6096] !!!! control_disable control_disable ss name cpu [ 421.591836][ T6096] !!!! control_disable control_disable ss name memory [ 421.598887][ T6096] !!!! control_disable control_disable ss name pids [ 421.606283][ T6096] !!!! control_disable kill_css(ffff88811c217000) [ 421.612813][ C0] !!!! css_killed_ref_fn enqueue(ffff88811c217800) [ 421.619434][ T6096] !!!! control_disable control_disable ss name cpu [ 421.625947][ T6096] !!!! control_disable control_disable ss name memory [ 421.632977][ T6096] !!!! control_disable control_disable ss name cpu [ 421.639448][ T6096] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 421.646562][ T6096] !!!! control_disable control_disable ss name cpu [ 421.653261][ T6096] !!!! control_disable control_disable ss name memory [ 421.660261][ T6096] !!!! control_disable control_disable ss name cpu [ 421.666838][ T6096] !!!! control_disable control_disable ss name memory [ 421.673612][ T6096] !!!! control_disable control_disable ss name cpu [ 421.680115][ T6096] !!!! control_disable control_disable ss name memory [ 421.686902][ T6096] !!!! control_disable control_disable ss name pids [ 421.694206][ T6096] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 421.700924][ T373] !!!! css_killed_work_fn css_put(ffff88811c217800) [ 421.709261][ C0] !!!! css_killed_ref_fn enqueue(ffff88811c217000) [ 421.716070][ T373] !!!! css_killed_work_fn css_put(ffff88811c217000) [ 421.722966][ T6104] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 421.722995][ T6101] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 421.729932][ T6104] !!!! css_create css ffff888119306000 !!!! [ 421.742707][ T6104] !!!! css_create css ffff888119305c00 !!!! [ 421.748952][ T6104] !!!! css_create css ffff888119306c00 !!!! [ 421.755004][ T6104] FAULT_INJECTION: forcing a failure. [ 421.755004][ T6104] name failslab, interval 1, probability 0, space 0, times 0 [ 421.767667][ T6104] CPU: 0 PID: 6104 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 421.779543][ T6104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.789677][ T6104] Call Trace: [ 421.792949][ T6104] dump_stack_lvl+0x1e2/0x24b [ 421.797721][ T6104] ? bfq_pos_tree_add_move+0x43e/0x43e [ 421.803251][ T6104] ? find_next_bit+0xd6/0x120 [ 421.807911][ T6104] ? cpumask_next+0x11/0x30 [ 421.812388][ T6104] dump_stack+0x15/0x17 [ 421.816784][ T6104] should_fail+0x3c0/0x510 [ 421.821444][ T6104] ? percpu_ref_init+0xd0/0x330 [ 421.826283][ T6104] __should_failslab+0x9f/0xe0 [ 421.831019][ T6104] should_failslab+0x9/0x20 [ 421.835495][ T6104] kmem_cache_alloc_trace+0x3a/0x330 [ 421.840759][ T6104] percpu_ref_init+0xd0/0x330 [ 421.845589][ T6104] ? cgroup_setup_root+0xea0/0xea0 [ 421.850780][ T6104] cgroup_apply_control_enable+0x734/0x12e0 [ 421.856643][ T6104] cgroup_apply_control+0x93/0x710 [ 421.861754][ T6104] ? css_next_child+0x160/0x160 [ 421.866582][ T6104] ? stack_trace_save+0x12d/0x1f0 [ 421.871758][ T6104] ? io_schedule+0x120/0x120 [ 421.876512][ T6104] ? kernfs_fop_write_iter+0x15e/0x410 [ 421.882549][ T6104] ? __kasan_check_write+0x14/0x20 [ 421.887648][ T6104] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 421.893078][ T6104] cgroup_subtree_control_write+0xd19/0x1310 [ 421.899119][ T6104] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 421.905105][ T6104] ? __kasan_check_write+0x14/0x20 [ 421.910320][ T6104] ? _copy_from_iter+0x3fb/0xd60 [ 421.915439][ T6104] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 421.921922][ T6104] cgroup_file_write+0x28e/0x590 [ 421.926846][ T6104] ? cgroup_seqfile_stop+0xc0/0xc0 [ 421.932025][ T6104] ? mutex_lock+0xa6/0x110 [ 421.936433][ T6104] ? mutex_trylock+0xb0/0xb0 [ 421.941010][ T6104] ? __kasan_check_write+0x14/0x20 [ 421.946101][ T6104] kernfs_fop_write_iter+0x2d0/0x410 [ 421.951374][ T6104] ? cgroup_seqfile_stop+0xc0/0xc0 [ 421.956485][ T6104] vfs_write+0xc1c/0xf40 [ 421.960713][ T6104] ? slab_free_freelist_hook+0xcc/0x1a0 [ 421.966358][ T6104] ? kernel_write+0x3c0/0x3c0 [ 421.971016][ T6104] ? do_sys_openat2+0x397/0x470 [ 421.975852][ T6104] ? __kasan_check_read+0x11/0x20 [ 421.980849][ T6104] ? __fdget_pos+0x27e/0x310 [ 421.985423][ T6104] ksys_write+0x198/0x2c0 [ 421.990689][ T6104] ? __ia32_sys_read+0x90/0x90 [ 421.995520][ T6104] ? debug_smp_processor_id+0x17/0x20 [ 422.001034][ T6104] __x64_sys_write+0x7b/0x90 [ 422.005776][ T6104] do_syscall_64+0x34/0x70 [ 422.010173][ T6104] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 422.016129][ T6104] RIP: 0033:0x7f777aae6c09 [ 422.020528][ T6104] 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 [ 422.040991][ T6104] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 422.049636][ T6104] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 422.057586][ T6104] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 422.065535][ T6104] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 422.073483][ T6104] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 422.081775][ T6104] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000005 [ 422.089843][ T6104] !!!! css_create rcu_enqueue(ffff888119306c00) !!!! [ 422.096578][ T6104] !!!! control_disable control_disable ss name cpu [ 422.103114][ T6104] !!!! control_disable control_disable ss name memory [ 422.109901][ T6104] !!!! control_disable control_disable ss name pids [ 422.116868][ T6104] !!!! control_disable kill_css(ffff888119306000) [ 422.123431][ T6104] !!!! control_disable control_disable ss name cpu [ 422.129952][ T6104] !!!! control_disable control_disable ss name memory [ 422.136765][ T6104] !!!! control_disable control_disable ss name pids [ 422.143373][ T6104] !!!! control_disable kill_css(ffff888119305c00) [ 422.149995][ T6104] !!!! control_disable control_disable ss name cpu [ 422.156558][ T6104] !!!! control_disable control_disable ss name memory [ 422.163326][ C1] !!!! css_killed_ref_fn enqueue(ffff888119306000) [ 422.169920][ T6104] !!!! control_disable control_disable ss name cpu [ 422.176861][ T6104] !!!! control_disable control_disable ss name memory [ 422.183624][ C1] !!!! css_killed_ref_fn enqueue(ffff888119305c00) [ 422.190200][ T6104] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 422.196698][ T6104] !!!! control_disable control_disable ss name memory [ 422.203459][ T6104] !!!! control_disable control_disable ss name cpu [ 422.209925][ T6104] !!!! control_disable control_disable ss name memory [ 422.216727][ T6104] !!!! control_disable control_disable ss name cpu [ 422.223271][ T6104] !!!! control_disable control_disable ss name memory [ 422.230020][ T6104] !!!! control_disable control_disable ss name pids [ 422.236644][ T6104] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 422.243662][ T6075] !!!! css_killed_work_fn css_put(ffff888119306000) [ 422.250499][ T6075] !!!! css_killed_work_fn css_put(ffff888119305c00) [ 422.257279][ T6103] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 422.259548][ T6106] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 422.263913][ T6102] !!!! css_create css ffff8881154e9c00 !!!! [ 422.276238][ T6102] !!!! css_create css ffff8881154eac00 !!!! [ 422.282261][ T6102] !!!! css_create css ffff8881154e9000 !!!! [ 422.288158][ T6102] FAULT_INJECTION: forcing a failure. [ 422.288158][ T6102] name failslab, interval 1, probability 0, space 0, times 0 [ 422.300750][ T6102] CPU: 1 PID: 6102 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 422.312530][ T6102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.322663][ T6102] Call Trace: [ 422.325951][ T6102] dump_stack_lvl+0x1e2/0x24b [ 422.330661][ T6102] ? bfq_pos_tree_add_move+0x43e/0x43e [ 422.336107][ T6102] ? serial8250_console_write+0xae0/0xe60 [ 422.342421][ T6102] ? record_print_text+0x266/0x420 [ 422.347520][ T6102] dump_stack+0x15/0x17 [ 422.351649][ T6102] should_fail+0x3c0/0x510 [ 422.356035][ T6102] ? __kernfs_new_node+0x99/0x6e0 [ 422.361035][ T6102] __should_failslab+0x9f/0xe0 [ 422.365774][ T6102] should_failslab+0x9/0x20 [ 422.370252][ T6102] __kmalloc_track_caller+0x5f/0x350 [ 422.375506][ T6102] kstrdup_const+0x55/0x90 [ 422.379993][ T6102] __kernfs_new_node+0x99/0x6e0 [ 422.384824][ T6102] ? stack_trace_save+0x1f0/0x1f0 [ 422.389825][ T6102] ? kernfs_new_node+0x170/0x170 [ 422.394732][ T6102] ? ptr_to_hashval+0x60/0x60 [ 422.399396][ T6102] ? snprintf+0xd6/0x120 [ 422.403610][ T6102] kernfs_new_node+0x97/0x170 [ 422.408257][ T6102] __kernfs_create_file+0x4a/0x270 [ 422.413340][ T6102] cgroup_addrm_files+0xab8/0xfe0 [ 422.418375][ T6102] ? cgroup_apply_control_enable+0x734/0x12e0 [ 422.424582][ T6102] ? cgroup_apply_control+0x93/0x710 [ 422.429925][ T6102] ? cgroup_subtree_control_write+0xd19/0x1310 [ 422.436162][ T6102] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 422.442310][ T6102] ? delete_node+0x759/0x7b0 [ 422.446870][ T6102] ? __kasan_check_read+0x11/0x20 [ 422.451866][ T6102] ? delete_node+0x759/0x7b0 [ 422.456427][ T6102] ? __kasan_check_write+0x14/0x20 [ 422.461508][ T6102] ? __radix_tree_replace+0x246/0x2e0 [ 422.466849][ T6102] ? idr_get_next+0x4b0/0x4b0 [ 422.471493][ T6102] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 422.476485][ T6102] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 422.481658][ T6102] css_populate_dir+0x137/0x370 [ 422.486490][ T6102] cgroup_apply_control_enable+0x629/0x12e0 [ 422.492373][ T6102] cgroup_apply_control+0x93/0x710 [ 422.497470][ T6102] ? css_next_child+0x160/0x160 [ 422.502295][ T6102] ? stack_trace_save+0x12d/0x1f0 [ 422.507293][ T6102] ? io_schedule+0x120/0x120 [ 422.512028][ T6102] ? kernfs_fop_write_iter+0x15e/0x410 [ 422.517582][ T6102] ? __kasan_check_write+0x14/0x20 [ 422.522680][ T6102] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 422.527941][ T6102] cgroup_subtree_control_write+0xd19/0x1310 [ 422.533907][ T6102] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 422.539868][ T6102] ? __kasan_check_write+0x14/0x20 [ 422.544958][ T6102] ? _copy_from_iter+0x3fb/0xd60 [ 422.549867][ T6102] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 422.555814][ T6102] cgroup_file_write+0x28e/0x590 [ 422.560721][ T6102] ? cgroup_seqfile_stop+0xc0/0xc0 [ 422.565821][ T6102] ? mutex_lock+0xa6/0x110 [ 422.570212][ T6102] ? mutex_trylock+0xb0/0xb0 [ 422.574773][ T6102] ? __kasan_check_write+0x14/0x20 [ 422.579858][ T6102] kernfs_fop_write_iter+0x2d0/0x410 [ 422.585121][ T6102] ? cgroup_seqfile_stop+0xc0/0xc0 [ 422.590203][ T6102] vfs_write+0xc1c/0xf40 [ 422.594417][ T6102] ? slab_free_freelist_hook+0xcc/0x1a0 [ 422.599933][ T6102] ? kernel_write+0x3c0/0x3c0 [ 422.604587][ T6102] ? do_sys_openat2+0x397/0x470 [ 422.613241][ T6102] ? __kasan_check_read+0x11/0x20 [ 422.618252][ T6102] ? __fdget_pos+0x27e/0x310 [ 422.622833][ T6102] ksys_write+0x198/0x2c0 [ 422.627148][ T6102] ? __ia32_sys_read+0x90/0x90 [ 422.631893][ T6102] ? debug_smp_processor_id+0x17/0x20 [ 422.637248][ T6102] __x64_sys_write+0x7b/0x90 [ 422.641830][ T6102] do_syscall_64+0x34/0x70 [ 422.646411][ T6102] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 422.652311][ T6102] RIP: 0033:0x7f777aae6c09 [ 422.656721][ T6102] 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 [ 422.676492][ T6102] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 422.684879][ T6102] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 422.692823][ T6102] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 422.700769][ T6102] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 422.708716][ T6102] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 422.716660][ T6102] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000004 [ 422.724751][ T6102] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 422.731817][ T6102] !!!! control_disable control_disable ss name cpu [ 422.738299][ T6102] !!!! control_disable control_disable ss name memory [ 422.745149][ T6102] !!!! control_disable control_disable ss name pids [ 422.751735][ T6102] !!!! control_disable kill_css(ffff8881154e9c00) [ 422.758229][ T6102] !!!! control_disable control_disable ss name cpu [ 422.764718][ T6102] !!!! control_disable control_disable ss name memory [ 422.771556][ T6102] !!!! control_disable control_disable ss name pids [ 422.778113][ T6102] !!!! control_disable kill_css(ffff8881154eac00) [ 422.784654][ T6102] !!!! control_disable control_disable ss name cpu [ 422.791146][ T6102] !!!! control_disable control_disable ss name memory [ 422.798011][ T6102] !!!! control_disable control_disable ss name pids [ 422.804610][ T6102] !!!! control_disable kill_css(ffff8881154e9000) [ 422.811091][ T6102] !!!! control_disable control_disable ss name cpu [ 422.817680][ T6102] !!!! control_disable control_disable ss name memory [ 422.824458][ T6102] !!!! control_disable control_disable ss name cpu [ 422.830946][ T6102] !!!! control_disable control_disable ss name memory [ 422.837711][ T6102] !!!! control_disable control_disable ss name cpu [ 422.844209][ T6102] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 422.850940][ T6102] !!!! control_disable control_disable ss name cpu [ 422.857433][ T6102] !!!! control_disable control_disable ss name memory [ 422.864203][ T6102] !!!! control_disable control_disable ss name pids [ 422.870804][ T6102] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 422.921373][ C1] !!!! css_killed_ref_fn enqueue(ffff8881154e9c00) [ 422.928004][ C1] !!!! css_killed_ref_fn enqueue(ffff8881154eac00) [ 422.934598][ C1] !!!! css_killed_ref_fn enqueue(ffff8881154e9000) [ 422.941224][ T6075] !!!! css_killed_work_fn css_put(ffff8881154e9c00) [ 422.947926][ T6075] !!!! css_killed_work_fn css_put(ffff8881154eac00) [ 422.954624][ T6075] !!!! css_killed_work_fn css_put(ffff8881154e9000) [ 422.961335][ T6103] !!!! css_create css ffff888114c13400 !!!! [ 422.967300][ T6103] !!!! css_create css ffff88811f72fc00 !!!! [ 422.973281][ T6103] !!!! css_create css ffff88811f72f400 !!!! [ 422.979329][ T6103] FAULT_INJECTION: forcing a failure. [ 422.979329][ T6103] name failslab, interval 1, probability 0, space 0, times 0 [ 422.992005][ T6103] CPU: 1 PID: 6103 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 423.003702][ T6103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.013815][ T6103] Call Trace: [ 423.017083][ T6103] dump_stack_lvl+0x1e2/0x24b [ 423.022264][ T6103] ? bfq_pos_tree_add_move+0x43e/0x43e [ 423.027695][ T6103] dump_stack+0x15/0x17 [ 423.031835][ T6103] should_fail+0x3c0/0x510 [ 423.036246][ T6103] ? __kernfs_new_node+0x99/0x6e0 [ 423.041250][ T6103] __should_failslab+0x9f/0xe0 [ 423.045999][ T6103] should_failslab+0x9/0x20 [ 423.050483][ T6103] __kmalloc_track_caller+0x5f/0x350 [ 423.055780][ T6103] kstrdup_const+0x55/0x90 [ 423.060184][ T6103] __kernfs_new_node+0x99/0x6e0 [ 423.065188][ T6103] ? stack_trace_save+0x1f0/0x1f0 [ 423.070187][ T6103] ? kernfs_new_node+0x170/0x170 [ 423.075097][ T6103] ? ptr_to_hashval+0x60/0x60 [ 423.079784][ T6103] ? snprintf+0xd6/0x120 [ 423.084085][ T6103] kernfs_new_node+0x97/0x170 [ 423.088824][ T6103] __kernfs_create_file+0x4a/0x270 [ 423.093906][ T6103] cgroup_addrm_files+0xab8/0xfe0 [ 423.098900][ T6103] ? cgroup_apply_control_enable+0x734/0x12e0 [ 423.105124][ T6103] ? cgroup_apply_control+0x93/0x710 [ 423.110430][ T6103] ? cgroup_subtree_control_write+0xd19/0x1310 [ 423.116935][ T6103] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 423.123066][ T6103] ? delete_node+0x759/0x7b0 [ 423.127996][ T6103] ? __kasan_check_read+0x11/0x20 [ 423.132988][ T6103] ? delete_node+0x759/0x7b0 [ 423.137548][ T6103] ? __kasan_check_write+0x14/0x20 [ 423.142639][ T6103] ? __radix_tree_replace+0x246/0x2e0 [ 423.148092][ T6103] ? idr_get_next+0x4b0/0x4b0 [ 423.152775][ T6103] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 423.157775][ T6103] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 423.162951][ T6103] css_populate_dir+0x137/0x370 [ 423.167772][ T6103] cgroup_apply_control_enable+0x629/0x12e0 [ 423.173645][ T6103] cgroup_apply_control+0x93/0x710 [ 423.178725][ T6103] ? css_next_child+0x160/0x160 [ 423.183550][ T6103] ? stack_trace_save+0x12d/0x1f0 [ 423.188559][ T6103] ? io_schedule+0x120/0x120 [ 423.193126][ T6103] ? kernfs_fop_write_iter+0x15e/0x410 [ 423.198552][ T6103] ? __kasan_check_write+0x14/0x20 [ 423.203658][ T6103] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 423.208922][ T6103] cgroup_subtree_control_write+0xd19/0x1310 [ 423.214892][ T6103] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 423.220846][ T6103] ? __kasan_check_write+0x14/0x20 [ 423.225946][ T6103] ? _copy_from_iter+0x3fb/0xd60 [ 423.230869][ T6103] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 423.236821][ T6103] cgroup_file_write+0x28e/0x590 [ 423.241729][ T6103] ? cgroup_seqfile_stop+0xc0/0xc0 [ 423.246807][ T6103] ? mutex_lock+0xa6/0x110 [ 423.251191][ T6103] ? mutex_trylock+0xb0/0xb0 [ 423.255753][ T6103] ? __kasan_check_write+0x14/0x20 [ 423.260852][ T6103] kernfs_fop_write_iter+0x2d0/0x410 [ 423.266111][ T6103] ? cgroup_seqfile_stop+0xc0/0xc0 [ 423.271203][ T6103] vfs_write+0xc1c/0xf40 [ 423.275419][ T6103] ? slab_free_freelist_hook+0xcc/0x1a0 [ 423.281114][ T6103] ? kernel_write+0x3c0/0x3c0 [ 423.286026][ T6103] ? do_sys_openat2+0x397/0x470 [ 423.290856][ T6103] ? __kasan_check_read+0x11/0x20 [ 423.296038][ T6103] ? __fdget_pos+0x27e/0x310 [ 423.300882][ T6103] ksys_write+0x198/0x2c0 [ 423.305272][ T6103] ? __ia32_sys_read+0x90/0x90 [ 423.311227][ T6103] ? debug_smp_processor_id+0x17/0x20 [ 423.316662][ T6103] __x64_sys_write+0x7b/0x90 [ 423.321225][ T6103] do_syscall_64+0x34/0x70 [ 423.325625][ T6103] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 423.331491][ T6103] RIP: 0033:0x7f777aae6c09 [ 423.335972][ T6103] 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 [ 423.355724][ T6103] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 423.364200][ T6103] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 423.372238][ T6103] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 423.380194][ T6103] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 423.388494][ T6103] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 423.397211][ T6103] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000005 [ 423.405311][ T6103] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 423.412512][ T6103] !!!! control_disable control_disable ss name cpu [ 423.419276][ T6103] !!!! control_disable control_disable ss name memory [ 423.426485][ T6103] !!!! control_disable control_disable ss name pids [ 423.433209][ T6103] !!!! control_disable kill_css(ffff888114c13400) [ 423.439758][ T6103] !!!! control_disable control_disable ss name cpu [ 423.446294][ T6103] !!!! control_disable control_disable ss name memory [ 423.453164][ T6103] !!!! control_disable control_disable ss name pids [ 423.460164][ T6103] !!!! control_disable kill_css(ffff88811f72fc00) [ 423.467001][ C1] !!!! css_killed_ref_fn enqueue(ffff888114c13400) [ 423.473632][ T6103] !!!! control_disable control_disable ss name cpu [ 423.480191][ T6103] !!!! control_disable control_disable ss name memory [ 423.486952][ T6103] !!!! control_disable control_disable ss name pids [ 423.493555][ T6103] !!!! control_disable kill_css(ffff88811f72f400) [ 423.500061][ T6103] !!!! control_disable control_disable ss name cpu [ 423.507003][ T6103] !!!! control_disable control_disable ss name memory [ 423.513766][ T6103] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 423.520335][ T6103] !!!! control_disable control_disable ss name memory [ 423.527090][ T6103] !!!! control_disable control_disable ss name cpu [ 423.533663][ T6103] !!!! control_disable control_disable ss name memory [ 423.540569][ T6103] !!!! control_disable control_disable ss name cpu [ 423.547141][ T6103] !!!! control_disable control_disable ss name memory [ 423.553952][ T6103] !!!! control_disable control_disable ss name pids [ 423.560522][ T6103] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 423.567024][ T6075] !!!! css_killed_work_fn css_put(ffff888114c13400) [ 423.573903][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f72fc00) [ 423.580510][ T6075] !!!! css_killed_work_fn css_put(ffff88811f72fc00) [ 423.587281][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f72f400) [ 423.593895][ T6075] !!!! css_killed_work_fn css_put(ffff88811f72f400) [ 423.600599][ T6097] !!!! css_create css ffff888114f52c00 !!!! [ 423.606587][ T6097] !!!! css_create css ffff888114f51000 !!!! [ 423.612521][ T6097] FAULT_INJECTION: forcing a failure. [ 423.612521][ T6097] name failslab, interval 1, probability 0, space 0, times 0 [ 423.625102][ T6097] CPU: 1 PID: 6097 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 423.636794][ T6097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.646821][ T6097] Call Trace: [ 423.650089][ T6097] dump_stack_lvl+0x1e2/0x24b [ 423.654738][ T6097] ? bfq_pos_tree_add_move+0x43e/0x43e [ 423.660165][ T6097] ? selinux_kernfs_init_security+0x1a8/0x760 [ 423.666199][ T6097] dump_stack+0x15/0x17 [ 423.670327][ T6097] should_fail+0x3c0/0x510 [ 423.674716][ T6097] ? __kernfs_new_node+0x99/0x6e0 [ 423.679723][ T6097] __should_failslab+0x9f/0xe0 [ 423.684545][ T6097] should_failslab+0x9/0x20 [ 423.689026][ T6097] __kmalloc_track_caller+0x5f/0x350 [ 423.694283][ T6097] kstrdup_const+0x55/0x90 [ 423.698677][ T6097] __kernfs_new_node+0x99/0x6e0 [ 423.703598][ T6097] ? stack_trace_save+0x1f0/0x1f0 [ 423.709054][ T6097] ? kernfs_new_node+0x170/0x170 [ 423.714170][ T6097] ? ptr_to_hashval+0x60/0x60 [ 423.718999][ T6097] ? snprintf+0xd6/0x120 [ 423.723212][ T6097] ? __kasan_check_write+0x14/0x20 [ 423.728293][ T6097] ? mutex_unlock+0x1d/0x40 [ 423.732766][ T6097] kernfs_new_node+0x97/0x170 [ 423.737416][ T6097] __kernfs_create_file+0x4a/0x270 [ 423.742498][ T6097] cgroup_addrm_files+0xab8/0xfe0 [ 423.747492][ T6097] ? cgroup_apply_control_enable+0x734/0x12e0 [ 423.753523][ T6097] ? cgroup_apply_control+0x93/0x710 [ 423.758775][ T6097] ? cgroup_subtree_control_write+0xd19/0x1310 [ 423.764894][ T6097] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 423.771013][ T6097] ? delete_node+0x759/0x7b0 [ 423.775570][ T6097] ? __kasan_check_read+0x11/0x20 [ 423.780561][ T6097] ? delete_node+0x759/0x7b0 [ 423.785119][ T6097] ? __radix_tree_replace+0x246/0x2e0 [ 423.790464][ T6097] ? idr_get_next+0x4b0/0x4b0 [ 423.795116][ T6097] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 423.800107][ T6097] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 423.805271][ T6097] css_populate_dir+0x137/0x370 [ 423.810089][ T6097] cgroup_apply_control_enable+0x629/0x12e0 [ 423.815948][ T6097] cgroup_apply_control+0x93/0x710 [ 423.821026][ T6097] ? css_next_child+0x160/0x160 [ 423.825842][ T6097] ? stack_trace_save+0x12d/0x1f0 [ 423.830834][ T6097] ? io_schedule+0x120/0x120 [ 423.835394][ T6097] ? kernfs_fop_write_iter+0x15e/0x410 [ 423.840820][ T6097] ? __kasan_check_write+0x14/0x20 [ 423.845899][ T6097] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 423.851156][ T6097] cgroup_subtree_control_write+0xd19/0x1310 [ 423.857105][ T6097] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 423.863056][ T6097] ? __kasan_check_write+0x14/0x20 [ 423.868140][ T6097] ? _copy_from_iter+0x3fb/0xd60 [ 423.873044][ T6097] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 423.878993][ T6097] cgroup_file_write+0x28e/0x590 [ 423.883898][ T6097] ? cgroup_seqfile_stop+0xc0/0xc0 [ 423.888974][ T6097] ? mutex_lock+0xa6/0x110 [ 423.893366][ T6097] ? mutex_trylock+0xb0/0xb0 [ 423.897933][ T6097] ? __kasan_check_write+0x14/0x20 [ 423.903013][ T6097] kernfs_fop_write_iter+0x2d0/0x410 [ 423.908268][ T6097] ? cgroup_seqfile_stop+0xc0/0xc0 [ 423.913379][ T6097] vfs_write+0xc1c/0xf40 [ 423.917588][ T6097] ? slab_free_freelist_hook+0xcc/0x1a0 [ 423.923107][ T6097] ? kernel_write+0x3c0/0x3c0 [ 423.927753][ T6097] ? do_sys_openat2+0x397/0x470 [ 423.932574][ T6097] ? __kasan_check_read+0x11/0x20 [ 423.937565][ T6097] ? __fdget_pos+0x27e/0x310 [ 423.942128][ T6097] ksys_write+0x198/0x2c0 [ 423.946436][ T6097] ? __ia32_sys_read+0x90/0x90 [ 423.951166][ T6097] ? debug_smp_processor_id+0x17/0x20 [ 423.956504][ T6097] __x64_sys_write+0x7b/0x90 [ 423.961062][ T6097] do_syscall_64+0x34/0x70 [ 423.965446][ T6097] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 423.971307][ T6097] RIP: 0033:0x7f777aae6c09 [ 423.975701][ T6097] 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 [ 423.995291][ T6097] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 424.004117][ T6097] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 424.012065][ T6097] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 424.020009][ T6097] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 424.027968][ T6097] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 424.035917][ T6097] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000005 [ 424.044022][ T6097] cgroup: cgroup_addrm_files: failed to add events, err=-12 [ 424.051344][ T6097] !!!! control_disable control_disable ss name cpu [ 424.058002][ T6097] !!!! control_disable control_disable ss name memory [ 424.064783][ T6097] !!!! control_disable control_disable ss name pids [ 424.071360][ T6097] !!!! control_disable kill_css(ffff888114f52c00) [ 424.077854][ T6097] !!!! control_disable control_disable ss name cpu [ 424.084343][ T6097] !!!! control_disable control_disable ss name memory [ 424.091078][ T6097] !!!! control_disable control_disable ss name pids [ 424.097652][ T6097] !!!! control_disable kill_css(ffff888114f51000) [ 424.104157][ T6097] !!!! control_disable control_disable ss name cpu [ 424.110634][ T6097] !!!! control_disable control_disable ss name memory [ 424.117392][ T6097] !!!! control_disable control_disable ss name cpu [ 424.123877][ T6097] !!!! control_disable control_disable ss name memory [ 424.130612][ T6097] !!!! control_disable control_disable ss name cpu [ 424.137099][ T6097] !!!! control_disable control_disable ss name memory [ 424.143867][ T6097] !!!! control_disable control_disable ss name cpu [ 424.150518][ T6097] !!!! control_disable control_disable ss name memory [ 424.157268][ T6097] !!!! control_disable control_disable ss name cpu [ 424.163774][ T6097] !!!! control_disable control_disable ss name memory [ 424.170500][ T6097] !!!! control_disable control_disable ss name pids [ 424.177097][ T6097] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 424.183939][ C1] !!!! css_killed_ref_fn enqueue(ffff888114f52c00) [ 424.190527][ C1] !!!! css_killed_ref_fn enqueue(ffff888114f51000) [ 424.197121][ T6075] !!!! css_killed_work_fn css_put(ffff888114f52c00) [ 424.203868][ T6075] !!!! css_killed_work_fn css_put(ffff888114f51000) [ 424.210562][ T6107] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 424.210582][ T6101] !!!! css_create css ffff888114f51800 !!!! [ 424.223062][ T6101] !!!! css_create css ffff888114f53400 !!!! [ 424.228988][ T6101] !!!! css_create css ffff888114f50c00 !!!! [ 424.234937][ T6101] FAULT_INJECTION: forcing a failure. [ 424.234937][ T6101] name failslab, interval 1, probability 0, space 0, times 0 [ 424.247613][ T6101] CPU: 1 PID: 6101 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 424.259673][ T6101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.269855][ T6101] Call Trace: [ 424.273146][ T6101] dump_stack_lvl+0x1e2/0x24b [ 424.278035][ T6101] ? bfq_pos_tree_add_move+0x43e/0x43e [ 424.283473][ T6101] ? __pv_queued_spin_lock_slowpath+0xa24/0xc90 [ 424.289690][ T6101] dump_stack+0x15/0x17 [ 424.293823][ T6101] should_fail+0x3c0/0x510 [ 424.298224][ T6101] ? __kernfs_new_node+0x99/0x6e0 [ 424.303222][ T6101] __should_failslab+0x9f/0xe0 [ 424.308217][ T6101] should_failslab+0x9/0x20 [ 424.312956][ T6101] __kmalloc_track_caller+0x5f/0x350 [ 424.318212][ T6101] kstrdup_const+0x55/0x90 [ 424.322862][ T6101] __kernfs_new_node+0x99/0x6e0 [ 424.327702][ T6101] ? stack_trace_save+0x1f0/0x1f0 [ 424.332721][ T6101] ? kernfs_new_node+0x170/0x170 [ 424.337637][ T6101] ? ptr_to_hashval+0x60/0x60 [ 424.342284][ T6101] ? snprintf+0xd6/0x120 [ 424.346495][ T6101] kernfs_new_node+0x97/0x170 [ 424.351499][ T6101] __kernfs_create_file+0x4a/0x270 [ 424.357150][ T6101] cgroup_addrm_files+0xab8/0xfe0 [ 424.362241][ T6101] ? cgroup_apply_control_enable+0x734/0x12e0 [ 424.368278][ T6101] ? cgroup_apply_control+0x93/0x710 [ 424.373533][ T6101] ? cgroup_subtree_control_write+0xd19/0x1310 [ 424.379655][ T6101] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 424.385777][ T6101] ? delete_node+0x759/0x7b0 [ 424.390346][ T6101] ? __kasan_check_read+0x11/0x20 [ 424.395347][ T6101] ? delete_node+0x759/0x7b0 [ 424.399905][ T6101] ? __kasan_check_write+0x14/0x20 [ 424.404983][ T6101] ? __radix_tree_replace+0x246/0x2e0 [ 424.410322][ T6101] ? idr_get_next+0x4b0/0x4b0 [ 424.414974][ T6101] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 424.419978][ T6101] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 424.425164][ T6101] css_populate_dir+0x137/0x370 [ 424.429991][ T6101] cgroup_apply_control_enable+0x629/0x12e0 [ 424.435877][ T6101] cgroup_apply_control+0x93/0x710 [ 424.440965][ T6101] ? css_next_child+0x160/0x160 [ 424.445790][ T6101] ? stack_trace_save+0x12d/0x1f0 [ 424.450786][ T6101] ? io_schedule+0x120/0x120 [ 424.455360][ T6101] ? kernfs_fop_write_iter+0x15e/0x410 [ 424.460801][ T6101] ? __kasan_check_write+0x14/0x20 [ 424.465891][ T6101] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 424.471162][ T6101] cgroup_subtree_control_write+0xd19/0x1310 [ 424.477125][ T6101] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 424.483079][ T6101] ? __kasan_check_write+0x14/0x20 [ 424.488162][ T6101] ? _copy_from_iter+0x3fb/0xd60 [ 424.493079][ T6101] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 424.499037][ T6101] cgroup_file_write+0x28e/0x590 [ 424.503946][ T6101] ? cgroup_seqfile_stop+0xc0/0xc0 [ 424.509028][ T6101] ? mutex_lock+0xa6/0x110 [ 424.513411][ T6101] ? mutex_trylock+0xb0/0xb0 [ 424.517983][ T6101] ? __kasan_check_write+0x14/0x20 [ 424.523074][ T6101] kernfs_fop_write_iter+0x2d0/0x410 [ 424.528326][ T6101] ? cgroup_seqfile_stop+0xc0/0xc0 [ 424.533407][ T6101] vfs_write+0xc1c/0xf40 [ 424.537632][ T6101] ? slab_free_freelist_hook+0xcc/0x1a0 [ 424.543146][ T6101] ? kernel_write+0x3c0/0x3c0 [ 424.547792][ T6101] ? do_sys_openat2+0x397/0x470 [ 424.552613][ T6101] ? __kasan_check_read+0x11/0x20 [ 424.557604][ T6101] ? __fdget_pos+0x27e/0x310 [ 424.562174][ T6101] ksys_write+0x198/0x2c0 [ 424.566476][ T6101] ? __ia32_sys_read+0x90/0x90 [ 424.571211][ T6101] ? debug_smp_processor_id+0x17/0x20 [ 424.576556][ T6101] __x64_sys_write+0x7b/0x90 [ 424.581121][ T6101] do_syscall_64+0x34/0x70 [ 424.585511][ T6101] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 424.591384][ T6101] RIP: 0033:0x7f777aae6c09 [ 424.595778][ T6101] 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 [ 424.615368][ T6101] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 424.623765][ T6101] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 424.631974][ T6101] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 424.639926][ T6101] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 424.647884][ T6101] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 424.655944][ T6101] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000005 [ 424.664116][ T6101] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 424.671223][ T6101] !!!! control_disable control_disable ss name cpu [ 424.677996][ T6101] !!!! control_disable control_disable ss name memory [ 424.684807][ T6101] !!!! control_disable control_disable ss name pids [ 424.691442][ T6101] !!!! control_disable kill_css(ffff888114f51800) [ 424.698012][ T6101] !!!! control_disable control_disable ss name cpu [ 424.704572][ T6101] !!!! control_disable control_disable ss name memory [ 424.711410][ T6101] !!!! control_disable control_disable ss name pids [ 424.718206][ T6101] !!!! control_disable kill_css(ffff888114f53400) [ 424.724792][ T6101] !!!! control_disable control_disable ss name cpu [ 424.731467][ C1] !!!! css_killed_ref_fn enqueue(ffff888114f51800) [ 424.738058][ T6101] !!!! control_disable control_disable ss name memory [ 424.744908][ T6101] !!!! control_disable control_disable ss name pids [ 424.751533][ T6101] !!!! control_disable kill_css(ffff888114f50c00) [ 424.751722][ C1] !!!! css_killed_ref_fn enqueue(ffff888114f53400) [ 424.758314][ T6101] !!!! control_disable control_disable ss name cpu [ 424.771416][ T6101] !!!! control_disable control_disable ss name memory [ 424.778246][ T6101] !!!! control_disable control_disable ss name cpu [ 424.784957][ T6101] !!!! control_disable control_disable ss name memory [ 424.792235][ C0] !!!! css_killed_ref_fn enqueue(ffff888114f50c00) [ 424.798922][ T6101] !!!! control_disable control_disable ss name cpu [ 424.805530][ T6101] !!!! control_disable control_disable ss name memory [ 424.812279][ T6101] !!!! control_disable control_disable ss name cpu [ 424.818756][ T6101] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 424.825530][ T6101] !!!! control_disable control_disable ss name pids [ 424.832201][ T6101] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 424.832243][ T6075] !!!! css_killed_work_fn css_put(ffff888114f51800) [ 424.845750][ T6075] !!!! css_killed_work_fn css_put(ffff888114f53400) [ 424.852636][ T373] !!!! css_killed_work_fn css_put(ffff888114f50c00) [ 424.859569][ T6108] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 424.859605][ T6107] !!!! css_create css ffff8881104bcc00 !!!! [ 424.872042][ T6107] !!!! css_create css ffff8881104bf800 !!!! [ 424.877927][ T6107] !!!! css_create css ffff8881104bf000 !!!! [ 424.884063][ T6107] FAULT_INJECTION: forcing a failure. [ 424.884063][ T6107] name failslab, interval 1, probability 0, space 0, times 0 [ 424.896749][ T6107] CPU: 1 PID: 6107 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 424.908688][ T6107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.918719][ T6107] Call Trace: [ 424.921985][ T6107] dump_stack_lvl+0x1e2/0x24b [ 424.926633][ T6107] ? bfq_pos_tree_add_move+0x43e/0x43e [ 424.932066][ T6107] dump_stack+0x15/0x17 [ 424.936200][ T6107] should_fail+0x3c0/0x510 [ 424.940585][ T6107] ? __kernfs_new_node+0x99/0x6e0 [ 424.945589][ T6107] __should_failslab+0x9f/0xe0 [ 424.950321][ T6107] should_failslab+0x9/0x20 [ 424.954868][ T6107] __kmalloc_track_caller+0x5f/0x350 [ 424.960125][ T6107] kstrdup_const+0x55/0x90 [ 424.964521][ T6107] __kernfs_new_node+0x99/0x6e0 [ 424.969440][ T6107] ? stack_trace_save+0x1f0/0x1f0 [ 424.974438][ T6107] ? kernfs_new_node+0x170/0x170 [ 424.979345][ T6107] ? ptr_to_hashval+0x60/0x60 [ 424.983989][ T6107] ? snprintf+0xd6/0x120 [ 424.988200][ T6107] kernfs_new_node+0x97/0x170 [ 424.992848][ T6107] __kernfs_create_file+0x4a/0x270 [ 424.997929][ T6107] cgroup_addrm_files+0xab8/0xfe0 [ 425.002926][ T6107] ? cgroup_apply_control_enable+0x734/0x12e0 [ 425.008967][ T6107] ? cgroup_apply_control+0x93/0x710 [ 425.014230][ T6107] ? cgroup_subtree_control_write+0xd19/0x1310 [ 425.020351][ T6107] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 425.026472][ T6107] ? delete_node+0x759/0x7b0 [ 425.031031][ T6107] ? __kasan_check_read+0x11/0x20 [ 425.036198][ T6107] ? delete_node+0x759/0x7b0 [ 425.040758][ T6107] ? __kasan_check_write+0x14/0x20 [ 425.045848][ T6107] ? __radix_tree_replace+0x246/0x2e0 [ 425.051201][ T6107] ? idr_get_next+0x4b0/0x4b0 [ 425.055847][ T6107] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 425.060842][ T6107] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 425.066011][ T6107] css_populate_dir+0x137/0x370 [ 425.070830][ T6107] cgroup_apply_control_enable+0x629/0x12e0 [ 425.076692][ T6107] cgroup_apply_control+0x93/0x710 [ 425.081770][ T6107] ? css_next_child+0x160/0x160 [ 425.086604][ T6107] ? stack_trace_save+0x12d/0x1f0 [ 425.091599][ T6107] ? io_schedule+0x120/0x120 [ 425.096159][ T6107] ? kernfs_fop_write_iter+0x15e/0x410 [ 425.101586][ T6107] ? __kasan_check_write+0x14/0x20 [ 425.106666][ T6107] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 425.111925][ T6107] cgroup_subtree_control_write+0xd19/0x1310 [ 425.117881][ T6107] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 425.123829][ T6107] ? __kasan_check_write+0x14/0x20 [ 425.128909][ T6107] ? _copy_from_iter+0x3fb/0xd60 [ 425.133817][ T6107] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 425.139766][ T6107] cgroup_file_write+0x28e/0x590 [ 425.144674][ T6107] ? cgroup_seqfile_stop+0xc0/0xc0 [ 425.149773][ T6107] ? mutex_lock+0xa6/0x110 [ 425.154203][ T6107] ? mutex_trylock+0xb0/0xb0 [ 425.158772][ T6107] ? __kasan_check_write+0x14/0x20 [ 425.163860][ T6107] kernfs_fop_write_iter+0x2d0/0x410 [ 425.169114][ T6107] ? cgroup_seqfile_stop+0xc0/0xc0 [ 425.174197][ T6107] vfs_write+0xc1c/0xf40 [ 425.178419][ T6107] ? slab_free_freelist_hook+0xcc/0x1a0 [ 425.184035][ T6107] ? kernel_write+0x3c0/0x3c0 [ 425.188693][ T6107] ? do_sys_openat2+0x397/0x470 [ 425.193520][ T6107] ? __kasan_check_read+0x11/0x20 [ 425.198516][ T6107] ? __fdget_pos+0x27e/0x310 [ 425.203081][ T6107] ksys_write+0x198/0x2c0 [ 425.207387][ T6107] ? __ia32_sys_read+0x90/0x90 [ 425.212126][ T6107] ? debug_smp_processor_id+0x17/0x20 [ 425.217472][ T6107] __x64_sys_write+0x7b/0x90 [ 425.222042][ T6107] do_syscall_64+0x34/0x70 [ 425.226434][ T6107] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 425.232302][ T6107] RIP: 0033:0x7f777aae6c09 [ 425.236692][ T6107] 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 [ 425.256401][ T6107] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 425.264800][ T6107] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 425.272750][ T6107] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 425.280699][ T6107] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 425.288654][ T6107] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 425.296785][ T6107] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000005 [ 425.304984][ T6107] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 425.312097][ T6107] !!!! control_disable control_disable ss name cpu [ 425.318607][ T6107] !!!! control_disable control_disable ss name memory [ 425.325473][ T6107] !!!! control_disable control_disable ss name pids [ 425.332303][ T6107] !!!! control_disable kill_css(ffff8881104bcc00) [ 425.338833][ T6107] !!!! control_disable control_disable ss name cpu [ 425.345375][ T6107] !!!! control_disable control_disable ss name memory [ 425.352317][ T6107] !!!! control_disable control_disable ss name pids [ 425.358921][ T6107] !!!! control_disable kill_css(ffff8881104bf800) [ 425.365506][ T6107] !!!! control_disable control_disable ss name cpu [ 425.371327][ C0] !!!! css_killed_ref_fn enqueue(ffff8881104bcc00) [ 425.372137][ T6107] !!!! control_disable control_disable ss name memory [ 425.385559][ T6107] !!!! control_disable control_disable ss name pids [ 425.392170][ T6107] !!!! control_disable kill_css(ffff8881104bf000) [ 425.392407][ C1] !!!! css_killed_ref_fn enqueue(ffff8881104bf800) [ 425.398947][ T6107] !!!! control_disable control_disable ss name cpu [ 425.412400][ T6107] !!!! control_disable control_disable ss name memory [ 425.419152][ T6107] !!!! control_disable control_disable ss name cpu [ 425.425883][ T6107] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 425.432646][ T6107] !!!! control_disable control_disable ss name cpu [ 425.439474][ T6107] !!!! control_disable control_disable ss name memory [ 425.446808][ T6107] !!!! control_disable control_disable ss name cpu [ 425.453688][ T6107] !!!! control_disable control_disable ss name memory [ 425.460889][ T6107] !!!! control_disable control_disable ss name pids [ 425.467532][ T6107] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 425.474054][ T373] !!!! css_killed_work_fn css_put(ffff8881104bcc00) [ 425.481237][ T6075] !!!! css_killed_work_fn css_put(ffff8881104bf800) [ 425.481274][ C0] !!!! css_killed_ref_fn enqueue(ffff8881104bf000) [ 425.494665][ T373] !!!! css_killed_work_fn css_put(ffff8881104bf000) [ 425.501601][ T6105] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 425.501650][ T6110] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 425.508241][ T6105] !!!! css_create css ffff888110949000 !!!! [ 425.520821][ T6105] !!!! css_create css ffff888110949800 !!!! [ 425.526751][ T6105] !!!! css_create css ffff88811094b400 !!!! [ 425.532753][ T6105] FAULT_INJECTION: forcing a failure. [ 425.532753][ T6105] name failslab, interval 1, probability 0, space 0, times 0 [ 425.545505][ T6105] CPU: 0 PID: 6105 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 425.557279][ T6105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.567317][ T6105] Call Trace: [ 425.570599][ T6105] dump_stack_lvl+0x1e2/0x24b [ 425.575257][ T6105] ? bfq_pos_tree_add_move+0x43e/0x43e [ 425.580694][ T6105] dump_stack+0x15/0x17 [ 425.584964][ T6105] should_fail+0x3c0/0x510 [ 425.589388][ T6105] ? __kernfs_new_node+0x99/0x6e0 [ 425.594392][ T6105] __should_failslab+0x9f/0xe0 [ 425.599127][ T6105] should_failslab+0x9/0x20 [ 425.603634][ T6105] __kmalloc_track_caller+0x5f/0x350 [ 425.608901][ T6105] kstrdup_const+0x55/0x90 [ 425.613289][ T6105] __kernfs_new_node+0x99/0x6e0 [ 425.618204][ T6105] ? stack_trace_save+0x1f0/0x1f0 [ 425.623263][ T6105] ? kernfs_new_node+0x170/0x170 [ 425.628528][ T6105] ? ptr_to_hashval+0x60/0x60 [ 425.633189][ T6105] ? snprintf+0xd6/0x120 [ 425.638098][ T6105] kernfs_new_node+0x97/0x170 [ 425.642751][ T6105] __kernfs_create_file+0x4a/0x270 [ 425.647874][ T6105] cgroup_addrm_files+0xab8/0xfe0 [ 425.652870][ T6105] ? cgroup_apply_control_enable+0x734/0x12e0 [ 425.658905][ T6105] ? cgroup_apply_control+0x93/0x710 [ 425.664259][ T6105] ? cgroup_subtree_control_write+0xd19/0x1310 [ 425.670785][ T6105] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 425.677096][ T6105] ? delete_node+0x759/0x7b0 [ 425.681927][ T6105] ? __kasan_check_read+0x11/0x20 [ 425.687009][ T6105] ? delete_node+0x759/0x7b0 [ 425.691579][ T6105] ? __kasan_check_write+0x14/0x20 [ 425.696677][ T6105] ? __radix_tree_replace+0x246/0x2e0 [ 425.702217][ T6105] ? idr_get_next+0x4b0/0x4b0 [ 425.706905][ T6105] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 425.711911][ T6105] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 425.717348][ T6105] css_populate_dir+0x137/0x370 [ 425.723234][ T6105] cgroup_apply_control_enable+0x629/0x12e0 [ 425.729391][ T6105] cgroup_apply_control+0x93/0x710 [ 425.734495][ T6105] ? css_next_child+0x160/0x160 [ 425.739318][ T6105] ? stack_trace_save+0x12d/0x1f0 [ 425.744317][ T6105] ? io_schedule+0x120/0x120 [ 425.748899][ T6105] ? kernfs_fop_write_iter+0x15e/0x410 [ 425.755109][ T6105] ? __kasan_check_write+0x14/0x20 [ 425.760372][ T6105] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 425.765652][ T6105] cgroup_subtree_control_write+0xd19/0x1310 [ 425.771635][ T6105] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 425.777680][ T6105] ? __kasan_check_write+0x14/0x20 [ 425.782885][ T6105] ? _copy_from_iter+0x3fb/0xd60 [ 425.787795][ T6105] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 425.793922][ T6105] cgroup_file_write+0x28e/0x590 [ 425.798833][ T6105] ? cgroup_seqfile_stop+0xc0/0xc0 [ 425.804032][ T6105] ? mutex_lock+0xa6/0x110 [ 425.808420][ T6105] ? mutex_trylock+0xb0/0xb0 [ 425.812980][ T6105] ? __kasan_check_write+0x14/0x20 [ 425.818071][ T6105] kernfs_fop_write_iter+0x2d0/0x410 [ 425.823335][ T6105] ? cgroup_seqfile_stop+0xc0/0xc0 [ 425.828418][ T6105] vfs_write+0xc1c/0xf40 [ 425.832654][ T6105] ? slab_free_freelist_hook+0xcc/0x1a0 [ 425.838353][ T6105] ? kernel_write+0x3c0/0x3c0 [ 425.843000][ T6105] ? do_sys_openat2+0x397/0x470 [ 425.847838][ T6105] ? __kasan_check_read+0x11/0x20 [ 425.852839][ T6105] ? __fdget_pos+0x27e/0x310 [ 425.857406][ T6105] ksys_write+0x198/0x2c0 [ 425.861972][ T6105] ? __ia32_sys_read+0x90/0x90 [ 425.866704][ T6105] ? debug_smp_processor_id+0x17/0x20 [ 425.872046][ T6105] __x64_sys_write+0x7b/0x90 [ 425.876611][ T6105] do_syscall_64+0x34/0x70 [ 425.881172][ T6105] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 425.887035][ T6105] RIP: 0033:0x7f777aae6c09 [ 425.891770][ T6105] 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 [ 425.911998][ T6105] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 425.920386][ T6105] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 425.928690][ T6105] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 425.937062][ T6105] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 425.945026][ T6105] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 425.952970][ T6105] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000004 [ 425.962236][ T6105] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 425.969281][ T6105] !!!! control_disable control_disable ss name cpu [ 425.976388][ T6105] !!!! control_disable control_disable ss name memory [ 425.983170][ T6105] !!!! control_disable control_disable ss name pids [ 425.989921][ T6105] !!!! control_disable kill_css(ffff888110949000) [ 425.996832][ T6105] !!!! control_disable control_disable ss name cpu [ 426.003321][ T6105] !!!! control_disable control_disable ss name memory [ 426.010050][ T6105] !!!! control_disable control_disable ss name pids [ 426.016659][ T6105] !!!! control_disable kill_css(ffff888110949800) [ 426.023307][ T6105] !!!! control_disable control_disable ss name cpu [ 426.029784][ T6105] !!!! control_disable control_disable ss name memory [ 426.036541][ T6105] !!!! control_disable control_disable ss name pids [ 426.043124][ T6105] !!!! control_disable kill_css(ffff88811094b400) [ 426.049607][ T6105] !!!! control_disable control_disable ss name cpu [ 426.056396][ T6105] !!!! control_disable control_disable ss name memory [ 426.063158][ T6105] !!!! control_disable control_disable ss name cpu [ 426.069625][ T6105] !!!! control_disable control_disable ss name memory [ 426.076379][ T6105] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 426.082879][ T6105] !!!! control_disable control_disable ss name memory [ 426.089606][ T6105] !!!! control_disable control_disable ss name cpu [ 426.096094][ T6105] !!!! control_disable control_disable ss name memory [ 426.102927][ T6105] !!!! control_disable control_disable ss name pids [ 426.109493][ T6105] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 426.131335][ C0] !!!! css_killed_ref_fn enqueue(ffff888110949000) [ 426.138043][ C0] !!!! css_killed_ref_fn enqueue(ffff888110949800) [ 426.144633][ C0] !!!! css_killed_ref_fn enqueue(ffff88811094b400) [ 426.151289][ T373] !!!! css_killed_work_fn css_put(ffff888110949000) [ 426.158019][ T373] !!!! css_killed_work_fn css_put(ffff888110949800) [ 426.164932][ T373] !!!! css_killed_work_fn css_put(ffff88811094b400) [ 426.171766][ T6106] !!!! css_create css ffff88811094b000 !!!! [ 426.177751][ T6106] !!!! css_create css ffff88811094a400 !!!! [ 426.183728][ T6106] !!!! css_create css ffff888121b94400 !!!! [ 426.189689][ T6106] FAULT_INJECTION: forcing a failure. [ 426.189689][ T6106] name failslab, interval 1, probability 0, space 0, times 0 [ 426.202322][ T6106] CPU: 1 PID: 6106 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 426.214108][ T6106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.224157][ T6106] Call Trace: [ 426.227433][ T6106] dump_stack_lvl+0x1e2/0x24b [ 426.232086][ T6106] ? bfq_pos_tree_add_move+0x43e/0x43e [ 426.237522][ T6106] dump_stack+0x15/0x17 [ 426.241651][ T6106] should_fail+0x3c0/0x510 [ 426.246049][ T6106] ? __kernfs_new_node+0x99/0x6e0 [ 426.251136][ T6106] __should_failslab+0x9f/0xe0 [ 426.255885][ T6106] should_failslab+0x9/0x20 [ 426.260388][ T6106] __kmalloc_track_caller+0x5f/0x350 [ 426.265652][ T6106] kstrdup_const+0x55/0x90 [ 426.270045][ T6106] __kernfs_new_node+0x99/0x6e0 [ 426.274866][ T6106] ? stack_trace_save+0x1f0/0x1f0 [ 426.279861][ T6106] ? kernfs_new_node+0x170/0x170 [ 426.284854][ T6106] ? ptr_to_hashval+0x60/0x60 [ 426.289502][ T6106] ? snprintf+0xd6/0x120 [ 426.293720][ T6106] kernfs_new_node+0x97/0x170 [ 426.299324][ T6106] __kernfs_create_file+0x4a/0x270 [ 426.304406][ T6106] cgroup_addrm_files+0xab8/0xfe0 [ 426.309407][ T6106] ? cgroup_apply_control_enable+0x734/0x12e0 [ 426.315537][ T6106] ? cgroup_apply_control+0x93/0x710 [ 426.320877][ T6106] ? cgroup_subtree_control_write+0xd19/0x1310 [ 426.326998][ T6106] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 426.333119][ T6106] ? delete_node+0x759/0x7b0 [ 426.337680][ T6106] ? __kasan_check_read+0x11/0x20 [ 426.342846][ T6106] ? delete_node+0x759/0x7b0 [ 426.347404][ T6106] ? __kasan_check_write+0x14/0x20 [ 426.352486][ T6106] ? __radix_tree_replace+0x246/0x2e0 [ 426.357835][ T6106] ? idr_get_next+0x4b0/0x4b0 [ 426.362483][ T6106] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 426.367483][ T6106] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 426.372669][ T6106] css_populate_dir+0x137/0x370 [ 426.377506][ T6106] cgroup_apply_control_enable+0x629/0x12e0 [ 426.383380][ T6106] cgroup_apply_control+0x93/0x710 [ 426.388471][ T6106] ? css_next_child+0x160/0x160 [ 426.393291][ T6106] ? stack_trace_save+0x12d/0x1f0 [ 426.398286][ T6106] ? io_schedule+0x120/0x120 [ 426.402846][ T6106] ? kernfs_fop_write_iter+0x15e/0x410 [ 426.408274][ T6106] ? __kasan_check_write+0x14/0x20 [ 426.413368][ T6106] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 426.418631][ T6106] cgroup_subtree_control_write+0xd19/0x1310 [ 426.424580][ T6106] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 426.430794][ T6106] ? __kasan_check_write+0x14/0x20 [ 426.435888][ T6106] ? _copy_from_iter+0x3fb/0xd60 [ 426.440796][ T6106] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 426.446754][ T6106] cgroup_file_write+0x28e/0x590 [ 426.451665][ T6106] ? cgroup_seqfile_stop+0xc0/0xc0 [ 426.456764][ T6106] ? mutex_lock+0xa6/0x110 [ 426.461149][ T6106] ? mutex_trylock+0xb0/0xb0 [ 426.465723][ T6106] ? __kasan_check_write+0x14/0x20 [ 426.470822][ T6106] kernfs_fop_write_iter+0x2d0/0x410 [ 426.476081][ T6106] ? cgroup_seqfile_stop+0xc0/0xc0 [ 426.481174][ T6106] vfs_write+0xc1c/0xf40 [ 426.485561][ T6106] ? slab_free_freelist_hook+0xcc/0x1a0 [ 426.491086][ T6106] ? kernel_write+0x3c0/0x3c0 [ 426.495729][ T6106] ? do_sys_openat2+0x397/0x470 [ 426.500560][ T6106] ? __kasan_check_read+0x11/0x20 [ 426.505555][ T6106] ? __fdget_pos+0x27e/0x310 [ 426.510120][ T6106] ksys_write+0x198/0x2c0 [ 426.514425][ T6106] ? __ia32_sys_read+0x90/0x90 [ 426.519156][ T6106] ? debug_smp_processor_id+0x17/0x20 [ 426.524495][ T6106] __x64_sys_write+0x7b/0x90 [ 426.529060][ T6106] do_syscall_64+0x34/0x70 [ 426.533446][ T6106] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 426.539392][ T6106] RIP: 0033:0x7f777aae6c09 [ 426.543785][ T6106] 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 [ 426.563455][ T6106] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 426.571839][ T6106] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 426.579782][ T6106] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 426.587729][ T6106] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 426.595684][ T6106] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 426.603639][ T6106] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000006 [ 426.611780][ T6106] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 426.618862][ T6106] !!!! control_disable control_disable ss name cpu [ 426.625583][ T6106] !!!! control_disable control_disable ss name memory [ 426.632381][ T6106] !!!! control_disable control_disable ss name pids [ 426.638968][ T6106] !!!! control_disable kill_css(ffff88811094b000) [ 426.645545][ T6106] !!!! control_disable control_disable ss name cpu [ 426.652089][ T6106] !!!! control_disable control_disable ss name memory [ 426.658855][ T6106] !!!! control_disable control_disable ss name pids [ 426.665568][ T6106] !!!! control_disable kill_css(ffff88811094a400) [ 426.672158][ T6106] !!!! control_disable control_disable ss name cpu [ 426.672633][ C1] !!!! css_killed_ref_fn enqueue(ffff88811094b000) [ 426.678661][ T6106] !!!! control_disable control_disable ss name memory [ 426.692007][ T6106] !!!! control_disable control_disable ss name pids [ 426.698564][ T6106] !!!! control_disable kill_css(ffff888121b94400) [ 426.705069][ T6106] !!!! control_disable control_disable ss name cpu [ 426.711584][ C0] !!!! css_killed_ref_fn enqueue(ffff88811094a400) [ 426.718258][ T6106] !!!! control_disable control_disable ss name memory [ 426.725081][ T6106] !!!! control_disable control_disable ss name cpu [ 426.731578][ T6106] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 426.738306][ T6106] !!!! control_disable control_disable ss name cpu [ 426.744801][ T6106] !!!! control_disable control_disable ss name memory [ 426.751565][ T6106] !!!! control_disable control_disable ss name cpu [ 426.758052][ T6106] !!!! control_disable control_disable ss name memory [ 426.764828][ T6106] !!!! control_disable control_disable ss name pids [ 426.771787][ T6106] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 426.771838][ T6075] !!!! css_killed_work_fn css_put(ffff88811094b000) [ 426.785071][ T373] !!!! css_killed_work_fn css_put(ffff88811094a400) [ 426.791787][ C0] !!!! css_killed_ref_fn enqueue(ffff888121b94400) [ 426.798393][ T373] !!!! css_killed_work_fn css_put(ffff888121b94400) [ 426.805382][ T6112] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 426.805405][ T6110] !!!! css_create css ffff8881110f9400 !!!! [ 426.817917][ T6110] !!!! css_create css ffff88811b2d8c00 !!!! [ 426.823942][ T6110] !!!! css_create css ffff88811b2db800 !!!! [ 426.829817][ T6110] FAULT_INJECTION: forcing a failure. [ 426.829817][ T6110] name failslab, interval 1, probability 0, space 0, times 0 [ 426.842433][ T6110] CPU: 0 PID: 6110 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 426.854121][ T6110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.864158][ T6110] Call Trace: [ 426.867894][ T6110] dump_stack_lvl+0x1e2/0x24b [ 426.872568][ T6110] ? bfq_pos_tree_add_move+0x43e/0x43e [ 426.878001][ T6110] ? find_next_bit+0xd6/0x120 [ 426.882654][ T6110] ? cpumask_next+0x11/0x30 [ 426.887134][ T6110] dump_stack+0x15/0x17 [ 426.891262][ T6110] should_fail+0x3c0/0x510 [ 426.895668][ T6110] ? percpu_ref_init+0xd0/0x330 [ 426.900497][ T6110] __should_failslab+0x9f/0xe0 [ 426.905239][ T6110] should_failslab+0x9/0x20 [ 426.909709][ T6110] kmem_cache_alloc_trace+0x3a/0x330 [ 426.914975][ T6110] percpu_ref_init+0xd0/0x330 [ 426.919626][ T6110] ? cgroup_setup_root+0xea0/0xea0 [ 426.924712][ T6110] cgroup_apply_control_enable+0x734/0x12e0 [ 426.930763][ T6110] cgroup_apply_control+0x93/0x710 [ 426.935842][ T6110] ? css_next_child+0x160/0x160 [ 426.940673][ T6110] ? stack_trace_save+0x12d/0x1f0 [ 426.945684][ T6110] ? io_schedule+0x120/0x120 [ 426.950264][ T6110] ? kernfs_fop_write_iter+0x15e/0x410 [ 426.955701][ T6110] ? __kasan_check_write+0x14/0x20 [ 426.960789][ T6110] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 426.966229][ T6110] cgroup_subtree_control_write+0xd19/0x1310 [ 426.972196][ T6110] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 426.978258][ T6110] ? __kasan_check_write+0x14/0x20 [ 426.983341][ T6110] ? _copy_from_iter+0x3fb/0xd60 [ 426.988431][ T6110] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 426.994392][ T6110] cgroup_file_write+0x28e/0x590 [ 426.999314][ T6110] ? cgroup_seqfile_stop+0xc0/0xc0 [ 427.004410][ T6110] ? mutex_lock+0xa6/0x110 [ 427.008804][ T6110] ? mutex_trylock+0xb0/0xb0 [ 427.013367][ T6110] ? __kasan_check_write+0x14/0x20 [ 427.018445][ T6110] kernfs_fop_write_iter+0x2d0/0x410 [ 427.023709][ T6110] ? cgroup_seqfile_stop+0xc0/0xc0 [ 427.028798][ T6110] vfs_write+0xc1c/0xf40 [ 427.033012][ T6110] ? slab_free_freelist_hook+0xcc/0x1a0 [ 427.038613][ T6110] ? kernel_write+0x3c0/0x3c0 [ 427.043259][ T6110] ? do_sys_openat2+0x397/0x470 [ 427.048187][ T6110] ? __kasan_check_read+0x11/0x20 [ 427.053181][ T6110] ? __fdget_pos+0x27e/0x310 [ 427.057738][ T6110] ksys_write+0x198/0x2c0 [ 427.062041][ T6110] ? __ia32_sys_read+0x90/0x90 [ 427.066947][ T6110] ? debug_smp_processor_id+0x17/0x20 [ 427.072288][ T6110] __x64_sys_write+0x7b/0x90 [ 427.076858][ T6110] do_syscall_64+0x34/0x70 [ 427.081335][ T6110] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 427.087197][ T6110] RIP: 0033:0x7f777aae6c09 [ 427.091827][ T6110] 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 [ 427.111434][ T6110] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 427.119910][ T6110] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 427.127942][ T6110] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 427.136166][ T6110] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 427.144111][ T6110] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 427.152333][ T6110] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000006 [ 427.160521][ T6110] !!!! css_create rcu_enqueue(ffff88811b2db800) !!!! [ 427.167216][ T6110] !!!! control_disable control_disable ss name cpu [ 427.174559][ T6110] !!!! control_disable control_disable ss name memory [ 427.181329][ T6110] !!!! control_disable control_disable ss name pids [ 427.188110][ T6110] !!!! control_disable kill_css(ffff8881110f9400) [ 427.194653][ T6110] !!!! control_disable control_disable ss name cpu [ 427.201225][ T6110] !!!! control_disable control_disable ss name memory [ 427.208070][ T6110] !!!! control_disable control_disable ss name pids [ 427.214648][ T6110] !!!! control_disable kill_css(ffff88811b2d8c00) [ 427.221160][ T6110] !!!! control_disable control_disable ss name cpu [ 427.228140][ T6110] !!!! control_disable control_disable ss name memory [ 427.236111][ T6110] !!!! control_disable control_disable ss name cpu [ 427.242612][ T6110] !!!! control_disable control_disable ss name memory [ 427.249962][ T6110] !!!! control_disable control_disable ss name cpu [ 427.257392][ T6110] !!!! control_disable control_disable ss name memory [ 427.264167][ T6110] !!!! control_disable control_disable ss name cpu [ 427.270906][ T6110] !!!! control_disable control_disable ss name memory [ 427.277764][ T6110] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 427.284273][ T6110] !!!! control_disable control_disable ss name memory [ 427.291374][ T6110] !!!! control_disable control_disable ss name pids [ 427.298049][ T6110] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 427.351376][ C0] !!!! css_killed_ref_fn enqueue(ffff8881110f9400) [ 427.358372][ C0] !!!! css_killed_ref_fn enqueue(ffff88811b2d8c00) [ 427.365231][ T373] !!!! css_killed_work_fn css_put(ffff8881110f9400) [ 427.372471][ T373] !!!! css_killed_work_fn css_put(ffff88811b2d8c00) [ 427.379339][ T6108] !!!! css_create css ffff888112e96800 !!!! [ 427.385395][ T6108] !!!! css_create css ffff88811b2d8000 !!!! [ 427.391369][ T6108] !!!! css_create css ffff88811b2d9400 !!!! [ 427.397778][ T6108] FAULT_INJECTION: forcing a failure. [ 427.397778][ T6108] name failslab, interval 1, probability 0, space 0, times 0 [ 427.410385][ T6108] CPU: 0 PID: 6108 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 427.422778][ T6108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.434155][ T6108] Call Trace: [ 427.437438][ T6108] dump_stack_lvl+0x1e2/0x24b [ 427.442096][ T6108] ? bfq_pos_tree_add_move+0x43e/0x43e [ 427.447635][ T6108] ? serial8250_console_write+0xae0/0xe60 [ 427.453344][ T6108] dump_stack+0x15/0x17 [ 427.457651][ T6108] should_fail+0x3c0/0x510 [ 427.462044][ T6108] ? __kernfs_new_node+0x99/0x6e0 [ 427.467053][ T6108] __should_failslab+0x9f/0xe0 [ 427.471884][ T6108] should_failslab+0x9/0x20 [ 427.476360][ T6108] __kmalloc_track_caller+0x5f/0x350 [ 427.481626][ T6108] kstrdup_const+0x55/0x90 [ 427.486102][ T6108] __kernfs_new_node+0x99/0x6e0 [ 427.491011][ T6108] ? stack_trace_save+0x1f0/0x1f0 [ 427.496003][ T6108] ? kernfs_new_node+0x170/0x170 [ 427.500919][ T6108] ? ptr_to_hashval+0x60/0x60 [ 427.505574][ T6108] ? snprintf+0xd6/0x120 [ 427.509793][ T6108] kernfs_new_node+0x97/0x170 [ 427.514444][ T6108] __kernfs_create_file+0x4a/0x270 [ 427.519532][ T6108] cgroup_addrm_files+0xab8/0xfe0 [ 427.524527][ T6108] ? cgroup_apply_control_enable+0x734/0x12e0 [ 427.530565][ T6108] ? cgroup_apply_control+0x93/0x710 [ 427.535818][ T6108] ? cgroup_subtree_control_write+0xd19/0x1310 [ 427.541941][ T6108] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 427.548062][ T6108] ? delete_node+0x759/0x7b0 [ 427.552625][ T6108] ? __kasan_check_read+0x11/0x20 [ 427.557623][ T6108] ? delete_node+0x759/0x7b0 [ 427.562182][ T6108] ? __kasan_check_write+0x14/0x20 [ 427.567264][ T6108] ? __radix_tree_replace+0x246/0x2e0 [ 427.572612][ T6108] ? idr_get_next+0x4b0/0x4b0 [ 427.577266][ T6108] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 427.582260][ T6108] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 427.587429][ T6108] css_populate_dir+0x137/0x370 [ 427.592255][ T6108] cgroup_apply_control_enable+0x629/0x12e0 [ 427.598119][ T6108] cgroup_apply_control+0x93/0x710 [ 427.603197][ T6108] ? css_next_child+0x160/0x160 [ 427.608277][ T6108] ? stack_trace_save+0x12d/0x1f0 [ 427.613271][ T6108] ? io_schedule+0x120/0x120 [ 427.617828][ T6108] ? kernfs_fop_write_iter+0x15e/0x410 [ 427.623261][ T6108] ? __kasan_check_write+0x14/0x20 [ 427.628352][ T6108] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 427.633607][ T6108] cgroup_subtree_control_write+0xd19/0x1310 [ 427.639556][ T6108] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 427.645511][ T6108] ? __kasan_check_write+0x14/0x20 [ 427.650592][ T6108] ? _copy_from_iter+0x3fb/0xd60 [ 427.655509][ T6108] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 427.661463][ T6108] cgroup_file_write+0x28e/0x590 [ 427.666372][ T6108] ? cgroup_seqfile_stop+0xc0/0xc0 [ 427.671456][ T6108] ? mutex_lock+0xa6/0x110 [ 427.675848][ T6108] ? mutex_trylock+0xb0/0xb0 [ 427.680509][ T6108] ? __kasan_check_write+0x14/0x20 [ 427.685597][ T6108] kernfs_fop_write_iter+0x2d0/0x410 [ 427.690860][ T6108] ? cgroup_seqfile_stop+0xc0/0xc0 [ 427.695948][ T6108] vfs_write+0xc1c/0xf40 [ 427.700370][ T6108] ? slab_free_freelist_hook+0xcc/0x1a0 [ 427.705890][ T6108] ? kernel_write+0x3c0/0x3c0 [ 427.710539][ T6108] ? do_sys_openat2+0x397/0x470 [ 427.715381][ T6108] ? __kasan_check_read+0x11/0x20 [ 427.720382][ T6108] ? __fdget_pos+0x27e/0x310 [ 427.724943][ T6108] ksys_write+0x198/0x2c0 [ 427.729248][ T6108] ? __ia32_sys_read+0x90/0x90 [ 427.734073][ T6108] ? debug_smp_processor_id+0x17/0x20 [ 427.739507][ T6108] __x64_sys_write+0x7b/0x90 [ 427.744068][ T6108] do_syscall_64+0x34/0x70 [ 427.748461][ T6108] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 427.754332][ T6108] RIP: 0033:0x7f777aae6c09 [ 427.758723][ T6108] 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 [ 427.778304][ T6108] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 427.786871][ T6108] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 427.794822][ T6108] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 427.802773][ T6108] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 427.810722][ T6108] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 427.818668][ T6108] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000006 [ 427.826798][ T6108] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 427.833900][ T6108] !!!! control_disable control_disable ss name cpu [ 427.840411][ T6108] !!!! control_disable control_disable ss name memory [ 427.847283][ T6108] !!!! control_disable control_disable ss name pids [ 427.853894][ T6108] !!!! control_disable kill_css(ffff888112e96800) [ 427.860540][ T6108] !!!! control_disable control_disable ss name cpu [ 427.867138][ T6108] !!!! control_disable control_disable ss name memory [ 427.874135][ T6108] !!!! control_disable control_disable ss name pids [ 427.880749][ T6108] !!!! control_disable kill_css(ffff88811b2d8000) [ 427.887324][ T6108] !!!! control_disable control_disable ss name cpu [ 427.893861][ C0] !!!! css_killed_ref_fn enqueue(ffff888112e96800) [ 427.900437][ T6108] !!!! control_disable control_disable ss name memory [ 427.909342][ T6108] !!!! control_disable control_disable ss name pids [ 427.915950][ T6108] !!!! control_disable kill_css(ffff88811b2d9400) [ 427.916065][ C0] !!!! css_killed_ref_fn enqueue(ffff88811b2d8000) [ 427.922532][ T6108] !!!! control_disable control_disable ss name cpu [ 427.935565][ T6108] !!!! control_disable control_disable ss name memory [ 427.942374][ T6108] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 427.948860][ T6108] !!!! control_disable control_disable ss name memory [ 427.955612][ C1] !!!! css_killed_ref_fn enqueue(ffff88811b2d9400) [ 427.962221][ T6108] !!!! control_disable control_disable ss name cpu [ 427.968703][ T6108] !!!! control_disable control_disable ss name memory [ 427.975451][ T6108] !!!! control_disable control_disable ss name cpu [ 427.981943][ T6108] !!!! control_disable control_disable ss name memory [ 427.988676][ T6108] !!!! control_disable control_disable ss name pids [ 427.995264][ T6108] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 428.000647][ T373] !!!! css_killed_work_fn css_put(ffff888112e96800) [ 428.008505][ T373] !!!! css_killed_work_fn css_put(ffff88811b2d8000) [ 428.015210][ T6075] !!!! css_killed_work_fn css_put(ffff88811b2d9400) [ 428.021969][ T6114] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 428.024141][ T6112] !!!! css_create css ffff888112bc0400 !!!! [ 428.034426][ T6112] !!!! css_create css ffff888112bc3c00 !!!! [ 428.040372][ T6112] !!!! css_create css ffff888112bc2000 !!!! [ 428.046424][ T6112] FAULT_INJECTION: forcing a failure. [ 428.046424][ T6112] name failslab, interval 1, probability 0, space 0, times 0 [ 428.059047][ T6112] CPU: 1 PID: 6112 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 428.070850][ T6112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.080875][ T6112] Call Trace: [ 428.084144][ T6112] dump_stack_lvl+0x1e2/0x24b [ 428.088794][ T6112] ? bfq_pos_tree_add_move+0x43e/0x43e [ 428.094219][ T6112] ? find_next_bit+0xd6/0x120 [ 428.098867][ T6112] ? cpumask_next+0x11/0x30 [ 428.103339][ T6112] dump_stack+0x15/0x17 [ 428.107465][ T6112] should_fail+0x3c0/0x510 [ 428.112062][ T6112] ? percpu_ref_init+0xd0/0x330 [ 428.116884][ T6112] __should_failslab+0x9f/0xe0 [ 428.121616][ T6112] should_failslab+0x9/0x20 [ 428.126089][ T6112] kmem_cache_alloc_trace+0x3a/0x330 [ 428.131343][ T6112] percpu_ref_init+0xd0/0x330 [ 428.136140][ T6112] ? cgroup_setup_root+0xea0/0xea0 [ 428.141222][ T6112] cgroup_apply_control_enable+0x734/0x12e0 [ 428.147087][ T6112] cgroup_apply_control+0x93/0x710 [ 428.152258][ T6112] ? css_next_child+0x160/0x160 [ 428.157086][ T6112] ? stack_trace_save+0x12d/0x1f0 [ 428.162087][ T6112] ? io_schedule+0x120/0x120 [ 428.166650][ T6112] ? kernfs_fop_write_iter+0x15e/0x410 [ 428.172078][ T6112] ? __kasan_check_write+0x14/0x20 [ 428.177160][ T6112] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 428.182417][ T6112] cgroup_subtree_control_write+0xd19/0x1310 [ 428.188366][ T6112] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 428.194312][ T6112] ? __kasan_check_write+0x14/0x20 [ 428.199393][ T6112] ? _copy_from_iter+0x3fb/0xd60 [ 428.204303][ T6112] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 428.210255][ T6112] cgroup_file_write+0x28e/0x590 [ 428.215169][ T6112] ? cgroup_seqfile_stop+0xc0/0xc0 [ 428.220257][ T6112] ? mutex_lock+0xa6/0x110 [ 428.224644][ T6112] ? mutex_trylock+0xb0/0xb0 [ 428.229209][ T6112] ? __kasan_check_write+0x14/0x20 [ 428.234298][ T6112] kernfs_fop_write_iter+0x2d0/0x410 [ 428.239557][ T6112] ? cgroup_seqfile_stop+0xc0/0xc0 [ 428.244639][ T6112] vfs_write+0xc1c/0xf40 [ 428.248850][ T6112] ? slab_free_freelist_hook+0xcc/0x1a0 [ 428.254363][ T6112] ? kernel_write+0x3c0/0x3c0 [ 428.259011][ T6112] ? do_sys_openat2+0x397/0x470 [ 428.263837][ T6112] ? __kasan_check_read+0x11/0x20 [ 428.268835][ T6112] ? __fdget_pos+0x27e/0x310 [ 428.273402][ T6112] ksys_write+0x198/0x2c0 [ 428.277700][ T6112] ? __ia32_sys_read+0x90/0x90 [ 428.282438][ T6112] ? debug_smp_processor_id+0x17/0x20 [ 428.287784][ T6112] __x64_sys_write+0x7b/0x90 [ 428.292350][ T6112] do_syscall_64+0x34/0x70 [ 428.296736][ T6112] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 428.302604][ T6112] RIP: 0033:0x7f777aae6c09 [ 428.307036][ T6112] 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 [ 428.326610][ T6112] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 428.335006][ T6112] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 428.342948][ T6112] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 428.350889][ T6112] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 428.358830][ T6112] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 428.366773][ T6112] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000005 [ 428.375128][ T6112] !!!! css_create rcu_enqueue(ffff888112bc2000) !!!! [ 428.381818][ T6112] !!!! control_disable control_disable ss name cpu [ 428.388305][ T6112] !!!! control_disable control_disable ss name memory [ 428.395131][ T6112] !!!! control_disable control_disable ss name pids [ 428.401801][ T6112] !!!! control_disable kill_css(ffff888112bc0400) [ 428.408357][ T6112] !!!! control_disable control_disable ss name cpu [ 428.414963][ T6112] !!!! control_disable control_disable ss name memory [ 428.421796][ T6112] !!!! control_disable control_disable ss name pids [ 428.428385][ T6112] !!!! control_disable kill_css(ffff888112bc3c00) [ 428.435204][ T6112] !!!! control_disable control_disable ss name cpu [ 428.441997][ T6112] !!!! control_disable control_disable ss name memory [ 428.448789][ T6112] !!!! control_disable control_disable ss name cpu [ 428.455293][ C0] !!!! css_killed_ref_fn enqueue(ffff888112bc0400) [ 428.461343][ C1] !!!! css_killed_ref_fn enqueue(ffff888112bc3c00) [ 428.462017][ T6112] !!!! control_disable control_disable ss name memory [ 428.475352][ T6112] !!!! control_disable control_disable ss name cpu [ 428.482202][ T6112] !!!! control_disable control_disable ss name memory [ 428.488947][ T6112] !!!! control_disable control_disable ss name cpu [ 428.495441][ T6112] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 428.502188][ T6112] !!!! control_disable control_disable ss name cpu [ 428.508702][ T6112] !!!! control_disable control_disable ss name memory [ 428.515450][ T6112] !!!! control_disable control_disable ss name pids [ 428.522071][ T6112] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 428.528560][ T373] !!!! css_killed_work_fn css_put(ffff888112bc0400) [ 428.535442][ T6075] !!!! css_killed_work_fn css_put(ffff888112bc3c00) [ 428.542625][ T6114] !!!! css_create css ffff88811269f400 !!!! [ 428.548581][ T6114] !!!! css_create css ffff88811269cc00 !!!! [ 428.554718][ T6114] !!!! css_create css ffff888118c11800 !!!! [ 428.560656][ T6114] FAULT_INJECTION: forcing a failure. [ 428.560656][ T6114] name failslab, interval 1, probability 0, space 0, times 0 [ 428.573439][ T6114] CPU: 0 PID: 6114 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 428.585129][ T6114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.595250][ T6114] Call Trace: [ 428.598515][ T6114] dump_stack_lvl+0x1e2/0x24b [ 428.603160][ T6114] ? bfq_pos_tree_add_move+0x43e/0x43e [ 428.608762][ T6114] dump_stack+0x15/0x17 [ 428.612886][ T6114] should_fail+0x3c0/0x510 [ 428.617273][ T6114] ? __kernfs_new_node+0x99/0x6e0 [ 428.622273][ T6114] __should_failslab+0x9f/0xe0 [ 428.627007][ T6114] should_failslab+0x9/0x20 [ 428.631489][ T6114] __kmalloc_track_caller+0x5f/0x350 [ 428.636748][ T6114] kstrdup_const+0x55/0x90 [ 428.641138][ T6114] __kernfs_new_node+0x99/0x6e0 [ 428.645957][ T6114] ? stack_trace_save+0x1f0/0x1f0 [ 428.650956][ T6114] ? kernfs_new_node+0x170/0x170 [ 428.655862][ T6114] ? ptr_to_hashval+0x60/0x60 [ 428.660510][ T6114] ? snprintf+0xd6/0x120 [ 428.664728][ T6114] kernfs_new_node+0x97/0x170 [ 428.669374][ T6114] __kernfs_create_file+0x4a/0x270 [ 428.674452][ T6114] cgroup_addrm_files+0xab8/0xfe0 [ 428.679453][ T6114] ? cgroup_apply_control_enable+0x734/0x12e0 [ 428.685493][ T6114] ? cgroup_apply_control+0x93/0x710 [ 428.690747][ T6114] ? cgroup_subtree_control_write+0xd19/0x1310 [ 428.696868][ T6114] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 428.702989][ T6114] ? delete_node+0x759/0x7b0 [ 428.707550][ T6114] ? __kasan_check_read+0x11/0x20 [ 428.712542][ T6114] ? delete_node+0x759/0x7b0 [ 428.717098][ T6114] ? __kasan_check_write+0x14/0x20 [ 428.722182][ T6114] ? __radix_tree_replace+0x246/0x2e0 [ 428.727534][ T6114] ? idr_get_next+0x4b0/0x4b0 [ 428.732185][ T6114] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 428.737176][ T6114] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 428.742349][ T6114] css_populate_dir+0x137/0x370 [ 428.747256][ T6114] cgroup_apply_control_enable+0x629/0x12e0 [ 428.753119][ T6114] cgroup_apply_control+0x93/0x710 [ 428.758204][ T6114] ? css_next_child+0x160/0x160 [ 428.763024][ T6114] ? stack_trace_save+0x12d/0x1f0 [ 428.768015][ T6114] ? io_schedule+0x120/0x120 [ 428.772571][ T6114] ? kernfs_fop_write_iter+0x15e/0x410 [ 428.777998][ T6114] ? __kasan_check_write+0x14/0x20 [ 428.783080][ T6114] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 428.788336][ T6114] cgroup_subtree_control_write+0xd19/0x1310 [ 428.794288][ T6114] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 428.800246][ T6114] ? __kasan_check_write+0x14/0x20 [ 428.805324][ T6114] ? _copy_from_iter+0x3fb/0xd60 [ 428.810229][ T6114] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 428.816185][ T6114] cgroup_file_write+0x28e/0x590 [ 428.821108][ T6114] ? cgroup_seqfile_stop+0xc0/0xc0 [ 428.826196][ T6114] ? mutex_lock+0xa6/0x110 [ 428.830583][ T6114] ? mutex_trylock+0xb0/0xb0 [ 428.835151][ T6114] ? __kasan_check_write+0x14/0x20 [ 428.840236][ T6114] kernfs_fop_write_iter+0x2d0/0x410 [ 428.845488][ T6114] ? cgroup_seqfile_stop+0xc0/0xc0 [ 428.850565][ T6114] vfs_write+0xc1c/0xf40 [ 428.854774][ T6114] ? slab_free_freelist_hook+0xcc/0x1a0 [ 428.860285][ T6114] ? kernel_write+0x3c0/0x3c0 [ 428.864929][ T6114] ? do_sys_openat2+0x397/0x470 [ 428.869746][ T6114] ? __kasan_check_read+0x11/0x20 [ 428.874736][ T6114] ? __fdget_pos+0x27e/0x310 [ 428.879345][ T6114] ksys_write+0x198/0x2c0 [ 428.883643][ T6114] ? __ia32_sys_read+0x90/0x90 [ 428.888374][ T6114] ? debug_smp_processor_id+0x17/0x20 [ 428.893715][ T6114] __x64_sys_write+0x7b/0x90 [ 428.898275][ T6114] do_syscall_64+0x34/0x70 [ 428.902795][ T6114] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 428.908678][ T6114] RIP: 0033:0x7f777aae6c09 [ 428.913081][ T6114] 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 [ 428.932760][ T6114] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 428.941142][ T6114] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 428.949082][ T6114] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 428.957023][ T6114] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 428.964963][ T6114] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 428.972902][ T6114] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000007 [ 428.980952][ T6114] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 428.988102][ T6114] !!!! control_disable control_disable ss name cpu [ 428.994708][ T6114] !!!! control_disable control_disable ss name memory [ 429.002151][ T6114] !!!! control_disable control_disable ss name pids [ 429.008744][ T6114] !!!! control_disable kill_css(ffff88811269f400) [ 429.015415][ T6114] !!!! control_disable control_disable ss name cpu [ 429.021939][ T6114] !!!! control_disable control_disable ss name memory [ 429.028712][ T6114] !!!! control_disable control_disable ss name pids [ 429.035345][ T6114] !!!! control_disable kill_css(ffff88811269cc00) [ 429.041976][ T6114] !!!! control_disable control_disable ss name cpu [ 429.048740][ T6114] !!!! control_disable control_disable ss name memory [ 429.051326][ C0] !!!! css_killed_ref_fn enqueue(ffff88811269f400) [ 429.055522][ T6114] !!!! control_disable control_disable ss name pids [ 429.068737][ T6114] !!!! control_disable kill_css(ffff888118c11800) [ 429.075353][ T6114] !!!! control_disable control_disable ss name cpu [ 429.081940][ T6114] !!!! control_disable control_disable ss name memory [ 429.088682][ T6114] !!!! control_disable control_disable ss name cpu [ 429.095175][ T6114] !!!! control_disable control_disable ss name memory [ 429.101938][ T6114] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 429.108419][ T6114] !!!! control_disable control_disable ss name memory [ 429.115167][ T6114] !!!! control_disable control_disable ss name cpu [ 429.121659][ T6114] !!!! control_disable control_disable ss name memory [ 429.128386][ T6114] !!!! control_disable control_disable ss name pids [ 429.134987][ T6114] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 429.141684][ T373] !!!! css_killed_work_fn css_put(ffff88811269f400) [ 429.171373][ C1] !!!! css_killed_ref_fn enqueue(ffff88811269cc00) [ 429.178019][ T6075] !!!! css_killed_work_fn css_put(ffff88811269cc00) [ 429.184772][ C1] !!!! css_killed_ref_fn enqueue(ffff888118c11800) [ 429.191559][ T6075] !!!! css_killed_work_fn css_put(ffff888118c11800) [ 429.198405][ T6116] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 429.198421][ T6117] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 429.204954][ T6111] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 429.211695][ T6116] !!!! css_create css ffff88811269c000 !!!! [ 429.223880][ T6116] !!!! css_create css ffff88811269d400 !!!! [ 429.229793][ T6116] !!!! css_create css ffff88811269c800 !!!! [ 429.235718][ T6116] FAULT_INJECTION: forcing a failure. [ 429.235718][ T6116] name failslab, interval 1, probability 0, space 0, times 0 [ 429.248380][ T6116] CPU: 1 PID: 6116 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 429.260071][ T6116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.270106][ T6116] Call Trace: [ 429.273645][ T6116] dump_stack_lvl+0x1e2/0x24b [ 429.278300][ T6116] ? bfq_pos_tree_add_move+0x43e/0x43e [ 429.283740][ T6116] ? __pv_queued_spin_lock_slowpath+0xa24/0xc90 [ 429.289955][ T6116] dump_stack+0x15/0x17 [ 429.294083][ T6116] should_fail+0x3c0/0x510 [ 429.298468][ T6116] ? __kernfs_new_node+0x99/0x6e0 [ 429.303463][ T6116] __should_failslab+0x9f/0xe0 [ 429.308194][ T6116] should_failslab+0x9/0x20 [ 429.312668][ T6116] __kmalloc_track_caller+0x5f/0x350 [ 429.317928][ T6116] kstrdup_const+0x55/0x90 [ 429.322313][ T6116] __kernfs_new_node+0x99/0x6e0 [ 429.327148][ T6116] ? stack_trace_save+0x1f0/0x1f0 [ 429.332160][ T6116] ? kernfs_new_node+0x170/0x170 [ 429.337066][ T6116] ? ptr_to_hashval+0x60/0x60 [ 429.341713][ T6116] ? snprintf+0xd6/0x120 [ 429.345926][ T6116] kernfs_new_node+0x97/0x170 [ 429.350573][ T6116] __kernfs_create_file+0x4a/0x270 [ 429.355654][ T6116] cgroup_addrm_files+0xab8/0xfe0 [ 429.360659][ T6116] ? cgroup_apply_control_enable+0x734/0x12e0 [ 429.366695][ T6116] ? cgroup_apply_control+0x93/0x710 [ 429.371950][ T6116] ? cgroup_subtree_control_write+0xd19/0x1310 [ 429.378079][ T6116] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 429.384208][ T6116] ? delete_node+0x759/0x7b0 [ 429.388772][ T6116] ? __kasan_check_read+0x11/0x20 [ 429.393769][ T6116] ? delete_node+0x759/0x7b0 [ 429.398327][ T6116] ? __kasan_check_write+0x14/0x20 [ 429.403408][ T6116] ? __radix_tree_replace+0x246/0x2e0 [ 429.408850][ T6116] ? idr_get_next+0x4b0/0x4b0 [ 429.413505][ T6116] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 429.418591][ T6116] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 429.423776][ T6116] css_populate_dir+0x137/0x370 [ 429.428613][ T6116] cgroup_apply_control_enable+0x629/0x12e0 [ 429.434478][ T6116] cgroup_apply_control+0x93/0x710 [ 429.439559][ T6116] ? css_next_child+0x160/0x160 [ 429.444385][ T6116] ? stack_trace_save+0x12d/0x1f0 [ 429.449382][ T6116] ? io_schedule+0x120/0x120 [ 429.454030][ T6116] ? kernfs_fop_write_iter+0x15e/0x410 [ 429.459463][ T6116] ? __kasan_check_write+0x14/0x20 [ 429.464552][ T6116] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 429.469807][ T6116] cgroup_subtree_control_write+0xd19/0x1310 [ 429.475775][ T6116] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 429.481747][ T6116] ? __kasan_check_write+0x14/0x20 [ 429.486837][ T6116] ? _copy_from_iter+0x3fb/0xd60 [ 429.491749][ T6116] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 429.497710][ T6116] cgroup_file_write+0x28e/0x590 [ 429.502636][ T6116] ? cgroup_seqfile_stop+0xc0/0xc0 [ 429.507721][ T6116] ? mutex_lock+0xa6/0x110 [ 429.512111][ T6116] ? mutex_trylock+0xb0/0xb0 [ 429.516674][ T6116] ? __kasan_check_write+0x14/0x20 [ 429.521761][ T6116] kernfs_fop_write_iter+0x2d0/0x410 [ 429.527018][ T6116] ? cgroup_seqfile_stop+0xc0/0xc0 [ 429.532190][ T6116] vfs_write+0xc1c/0xf40 [ 429.536404][ T6116] ? slab_free_freelist_hook+0xcc/0x1a0 [ 429.541926][ T6116] ? kernel_write+0x3c0/0x3c0 [ 429.546574][ T6116] ? do_sys_openat2+0x397/0x470 [ 429.551398][ T6116] ? __kasan_check_read+0x11/0x20 [ 429.556397][ T6116] ? __fdget_pos+0x27e/0x310 [ 429.560974][ T6116] ksys_write+0x198/0x2c0 [ 429.565280][ T6116] ? __ia32_sys_read+0x90/0x90 [ 429.570023][ T6116] ? debug_smp_processor_id+0x17/0x20 [ 429.575539][ T6116] __x64_sys_write+0x7b/0x90 [ 429.580105][ T6116] do_syscall_64+0x34/0x70 [ 429.584495][ T6116] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 429.590362][ T6116] RIP: 0033:0x7f777aae6c09 [ 429.594754][ T6116] 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 [ 429.614424][ T6116] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 429.622987][ T6116] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 429.630936][ T6116] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 429.638885][ T6116] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 429.646836][ T6116] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 429.654786][ T6116] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000006 [ 429.662881][ T6116] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 429.669972][ T6116] !!!! control_disable control_disable ss name cpu [ 429.676622][ T6116] !!!! control_disable control_disable ss name memory [ 429.683434][ T6116] !!!! control_disable control_disable ss name pids [ 429.690040][ T6116] !!!! control_disable kill_css(ffff88811269c000) [ 429.696619][ T6116] !!!! control_disable control_disable ss name cpu [ 429.703168][ T6116] !!!! control_disable control_disable ss name memory [ 429.710808][ T6116] !!!! control_disable control_disable ss name pids [ 429.717549][ T6116] !!!! control_disable kill_css(ffff88811269d400) [ 429.724140][ T6116] !!!! control_disable control_disable ss name cpu [ 429.724784][ C1] !!!! css_killed_ref_fn enqueue(ffff88811269c000) [ 429.731083][ T6116] !!!! control_disable control_disable ss name memory [ 429.744519][ T6116] !!!! control_disable control_disable ss name pids [ 429.751159][ T6116] !!!! control_disable kill_css(ffff88811269c800) [ 429.757714][ T6116] !!!! control_disable control_disable ss name cpu [ 429.764371][ C0] !!!! css_killed_ref_fn enqueue(ffff88811269d400) [ 429.771058][ T6116] !!!! control_disable control_disable ss name memory [ 429.777845][ T6116] !!!! control_disable control_disable ss name cpu [ 429.784365][ T6116] !!!! control_disable control_disable ss name memory [ 429.791104][ T6116] !!!! control_disable control_disable ss name cpu [ 429.797735][ T6116] !!!! control_disable control_disable ss name memory [ 429.804513][ T6116] !!!! control_disable control_disable ss name cpu [ 429.811006][ T6116] !!!! control_disable control_disable ss name memory [ 429.817860][ T6116] !!!! control_disable control_disable ss name pids write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 429.824474][ T6116] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 429.824549][ T6075] !!!! css_killed_work_fn css_put(ffff88811269c000) [ 429.832618][ C0] !!!! css_killed_ref_fn enqueue(ffff88811269c800) [ 429.844913][ T373] !!!! css_killed_work_fn css_put(ffff88811269d400) [ 429.852828][ T373] !!!! css_killed_work_fn css_put(ffff88811269c800) [ 429.860420][ T6109] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 429.861545][ T6117] !!!! css_create css ffff888114f14000 !!!! [ 429.873119][ T6117] !!!! css_create css ffff888114f15400 !!!! [ 429.879058][ T6117] !!!! css_create css ffff888114f14800 !!!! [ 429.885298][ T6117] FAULT_INJECTION: forcing a failure. [ 429.885298][ T6117] name failslab, interval 1, probability 0, space 0, times 0 [ 429.898172][ T6117] CPU: 0 PID: 6117 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 429.910297][ T6117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.921049][ T6117] Call Trace: [ 429.924315][ T6117] dump_stack_lvl+0x1e2/0x24b [ 429.929409][ T6117] ? bfq_pos_tree_add_move+0x43e/0x43e [ 429.934852][ T6117] dump_stack+0x15/0x17 [ 429.938979][ T6117] should_fail+0x3c0/0x510 [ 429.943396][ T6117] ? __kernfs_new_node+0x99/0x6e0 [ 429.948519][ T6117] __should_failslab+0x9f/0xe0 [ 429.953352][ T6117] should_failslab+0x9/0x20 [ 429.957833][ T6117] __kmalloc_track_caller+0x5f/0x350 [ 429.963098][ T6117] kstrdup_const+0x55/0x90 [ 429.967588][ T6117] __kernfs_new_node+0x99/0x6e0 [ 429.972410][ T6117] ? stack_trace_save+0x1f0/0x1f0 [ 429.977403][ T6117] ? kernfs_new_node+0x170/0x170 [ 429.982334][ T6117] ? ptr_to_hashval+0x60/0x60 [ 429.986994][ T6117] ? snprintf+0xd6/0x120 [ 429.991219][ T6117] kernfs_new_node+0x97/0x170 [ 429.995881][ T6117] __kernfs_create_file+0x4a/0x270 [ 430.000966][ T6117] cgroup_addrm_files+0xab8/0xfe0 [ 430.006253][ T6117] ? cgroup_apply_control_enable+0x734/0x12e0 [ 430.012507][ T6117] ? cgroup_apply_control+0x93/0x710 [ 430.017796][ T6117] ? cgroup_subtree_control_write+0xd19/0x1310 [ 430.023925][ T6117] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 430.030316][ T6117] ? delete_node+0x759/0x7b0 [ 430.034876][ T6117] ? __kasan_check_read+0x11/0x20 [ 430.039964][ T6117] ? delete_node+0x759/0x7b0 [ 430.044618][ T6117] ? __kasan_check_write+0x14/0x20 [ 430.049707][ T6117] ? __radix_tree_replace+0x246/0x2e0 [ 430.055224][ T6117] ? idr_get_next+0x4b0/0x4b0 [ 430.059880][ T6117] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 430.065161][ T6117] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 430.070353][ T6117] css_populate_dir+0x137/0x370 [ 430.075177][ T6117] cgroup_apply_control_enable+0x629/0x12e0 [ 430.081131][ T6117] cgroup_apply_control+0x93/0x710 [ 430.086482][ T6117] ? css_next_child+0x160/0x160 [ 430.091756][ T6117] ? stack_trace_save+0x12d/0x1f0 [ 430.096765][ T6117] ? io_schedule+0x120/0x120 [ 430.101346][ T6117] ? kernfs_fop_write_iter+0x15e/0x410 [ 430.106777][ T6117] ? __kasan_check_write+0x14/0x20 [ 430.111866][ T6117] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 430.117146][ T6117] cgroup_subtree_control_write+0xd19/0x1310 [ 430.123747][ T6117] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 430.129786][ T6117] ? __kasan_check_write+0x14/0x20 [ 430.134878][ T6117] ? _copy_from_iter+0x3fb/0xd60 [ 430.140054][ T6117] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 430.146006][ T6117] cgroup_file_write+0x28e/0x590 [ 430.150925][ T6117] ? cgroup_seqfile_stop+0xc0/0xc0 [ 430.156008][ T6117] ? mutex_lock+0xa6/0x110 [ 430.160412][ T6117] ? mutex_trylock+0xb0/0xb0 [ 430.164989][ T6117] ? __kasan_check_write+0x14/0x20 [ 430.170505][ T6117] kernfs_fop_write_iter+0x2d0/0x410 [ 430.175764][ T6117] ? cgroup_seqfile_stop+0xc0/0xc0 [ 430.180857][ T6117] vfs_write+0xc1c/0xf40 [ 430.185076][ T6117] ? slab_free_freelist_hook+0xcc/0x1a0 [ 430.191320][ T6117] ? kernel_write+0x3c0/0x3c0 [ 430.195979][ T6117] ? do_sys_openat2+0x397/0x470 [ 430.200907][ T6117] ? __kasan_check_read+0x11/0x20 [ 430.205933][ T6117] ? __fdget_pos+0x27e/0x310 [ 430.210885][ T6117] ksys_write+0x198/0x2c0 [ 430.215273][ T6117] ? __ia32_sys_read+0x90/0x90 [ 430.220006][ T6117] ? debug_smp_processor_id+0x17/0x20 [ 430.225349][ T6117] __x64_sys_write+0x7b/0x90 [ 430.230258][ T6117] do_syscall_64+0x34/0x70 [ 430.234645][ T6117] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 430.240688][ T6117] RIP: 0033:0x7f777aae6c09 [ 430.245111][ T6117] 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 [ 430.264872][ T6117] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 430.273691][ T6117] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 430.281641][ T6117] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 430.289680][ T6117] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 430.297737][ T6117] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 430.305710][ T6117] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000008 [ 430.313823][ T6117] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 430.321373][ T6117] !!!! control_disable control_disable ss name cpu [ 430.327977][ T6117] !!!! control_disable control_disable ss name memory [ 430.334771][ T6117] !!!! control_disable control_disable ss name pids [ 430.341453][ T6117] !!!! control_disable kill_css(ffff888114f14000) [ 430.348087][ T6117] !!!! control_disable control_disable ss name cpu [ 430.354616][ T6117] !!!! control_disable control_disable ss name memory [ 430.361456][ T6117] !!!! control_disable control_disable ss name pids [ 430.368370][ T6117] !!!! control_disable kill_css(ffff888114f15400) [ 430.375005][ T6117] !!!! control_disable control_disable ss name cpu [ 430.381604][ T6117] !!!! control_disable control_disable ss name memory [ 430.388431][ T6117] !!!! control_disable control_disable ss name pids [ 430.395122][ T6117] !!!! control_disable kill_css(ffff888114f14800) [ 430.401819][ T6117] !!!! control_disable control_disable ss name cpu [ 430.408287][ T6117] !!!! control_disable control_disable ss name memory [ 430.415051][ T6117] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 430.421804][ T6117] !!!! control_disable control_disable ss name memory [ 430.428535][ T6117] !!!! control_disable control_disable ss name cpu [ 430.435765][ T6117] !!!! control_disable control_disable ss name memory [ 430.442978][ T6117] !!!! control_disable control_disable ss name cpu [ 430.449474][ T6117] !!!! control_disable control_disable ss name memory [ 430.456251][ T6117] !!!! control_disable control_disable ss name pids [ 430.462923][ T6117] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 430.491366][ C0] !!!! css_killed_ref_fn enqueue(ffff888114f14000) [ 430.497996][ C0] !!!! css_killed_ref_fn enqueue(ffff888114f15400) [ 430.504603][ C0] !!!! css_killed_ref_fn enqueue(ffff888114f14800) [ 430.511398][ T373] !!!! css_killed_work_fn css_put(ffff888114f14000) [ 430.518555][ T373] !!!! css_killed_work_fn css_put(ffff888114f15400) [ 430.525571][ T373] !!!! css_killed_work_fn css_put(ffff888114f14800) [ 430.533714][ T6115] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 430.540240][ T6118] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 430.546763][ T6111] !!!! css_create css ffff8881150a0800 !!!! [ 430.552787][ T6111] !!!! css_create css ffff8881150a0400 !!!! [ 430.558684][ T6111] FAULT_INJECTION: forcing a failure. [ 430.558684][ T6111] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 430.571982][ T6111] CPU: 1 PID: 6111 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 430.583684][ T6111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.593732][ T6111] Call Trace: [ 430.597015][ T6111] dump_stack_lvl+0x1e2/0x24b [ 430.601681][ T6111] ? bfq_pos_tree_add_move+0x43e/0x43e [ 430.607125][ T6111] ? __kasan_check_write+0x14/0x20 [ 430.612215][ T6111] dump_stack+0x15/0x17 [ 430.616349][ T6111] should_fail+0x3c0/0x510 [ 430.620738][ T6111] should_fail_alloc_page+0x50/0x60 [ 430.626061][ T6111] __alloc_pages_nodemask+0x1c0/0x890 [ 430.632101][ T6111] ? cgroup_apply_control_enable+0x734/0x12e0 [ 430.638137][ T6111] ? cgroup_apply_control+0x93/0x710 [ 430.643481][ T6111] ? cgroup_subtree_control_write+0xd19/0x1310 [ 430.649607][ T6111] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 430.655221][ T6111] ? delete_node+0x759/0x7b0 [ 430.659805][ T6111] allocate_slab+0x78/0x540 [ 430.664279][ T6111] ___slab_alloc+0x131/0x2e0 [ 430.668863][ T6111] ? pids_css_alloc+0x4e/0x120 [ 430.673689][ T6111] __slab_alloc+0x63/0xa0 [ 430.678055][ T6111] ? pids_css_alloc+0x4e/0x120 [ 430.682829][ T6111] kmem_cache_alloc_trace+0x20e/0x330 [ 430.688523][ T6111] ? pids_css_alloc+0x4e/0x120 [ 430.693276][ T6111] pids_css_alloc+0x4e/0x120 [ 430.697850][ T6111] cgroup_apply_control_enable+0x6d9/0x12e0 [ 430.703729][ T6111] cgroup_apply_control+0x93/0x710 [ 430.708834][ T6111] ? css_next_child+0x160/0x160 [ 430.713670][ T6111] ? stack_trace_save+0x12d/0x1f0 [ 430.718674][ T6111] ? io_schedule+0x120/0x120 [ 430.724220][ T6111] ? kernfs_fop_write_iter+0x15e/0x410 [ 430.729678][ T6111] ? __kasan_check_write+0x14/0x20 [ 430.734884][ T6111] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 430.740233][ T6111] cgroup_subtree_control_write+0xd19/0x1310 [ 430.746210][ T6111] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 430.752780][ T6111] ? __kasan_check_write+0x14/0x20 [ 430.757865][ T6111] ? _copy_from_iter+0x3fb/0xd60 [ 430.762859][ T6111] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 430.770296][ T6111] cgroup_file_write+0x28e/0x590 [ 430.775293][ T6111] ? cgroup_seqfile_stop+0xc0/0xc0 [ 430.780466][ T6111] ? mutex_lock+0xa6/0x110 [ 430.784852][ T6111] ? mutex_trylock+0xb0/0xb0 [ 430.789525][ T6111] ? __kasan_check_write+0x14/0x20 [ 430.794615][ T6111] kernfs_fop_write_iter+0x2d0/0x410 [ 430.799876][ T6111] ? cgroup_seqfile_stop+0xc0/0xc0 [ 430.804959][ T6111] vfs_write+0xc1c/0xf40 [ 430.809356][ T6111] ? slab_free_freelist_hook+0xcc/0x1a0 [ 430.814968][ T6111] ? kernel_write+0x3c0/0x3c0 [ 430.819810][ T6111] ? do_sys_openat2+0x397/0x470 [ 430.824900][ T6111] ? __kasan_check_read+0x11/0x20 [ 430.830691][ T6111] ? __fdget_pos+0x27e/0x310 [ 430.835272][ T6111] ksys_write+0x198/0x2c0 [ 430.839574][ T6111] ? __ia32_sys_read+0x90/0x90 [ 430.844315][ T6111] ? debug_smp_processor_id+0x17/0x20 [ 430.849657][ T6111] __x64_sys_write+0x7b/0x90 [ 430.854230][ T6111] do_syscall_64+0x34/0x70 [ 430.858895][ T6111] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 430.864764][ T6111] RIP: 0033:0x7f777aae6c09 [ 430.869149][ T6111] 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 [ 430.888986][ T6111] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 430.897391][ T6111] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 430.905341][ T6111] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 430.913381][ T6111] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 430.921685][ T6111] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 430.929743][ T6111] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000006 [ 430.937894][ T6111] !!!! css_create css ffff88811f62ec00 !!!! [ 430.943968][ T6111] !!!! css_create css ffff88811f62e000 !!!! [ 430.950008][ T6111] !!!! css_create css ffff88811f62e800 !!!! [ 430.955980][ T6111] !!!! css_create css ffff88811f62e400 !!!! [ 430.962059][ T6111] !!!! put_css_set_locked css_put(ffff88811f33fc00) [ 430.968884][ T6111] !!!! put_css_set_locked css_put(ffff88811f32de00) [ 430.975526][ T6111] !!!! put_css_set_locked css_put(ffff888104db6600) [ 430.982171][ T6111] !!!! put_css_set_locked css_put(ffff88811f33dc00) [ 430.988810][ T6111] !!!! put_css_set_locked css_put(ffff8881053ec000) [ 430.995455][ T6111] !!!! put_css_set_locked css_put(ffff888104db6400) [ 431.002096][ T6111] !!!! put_css_set_locked css_put(ffff888104db6200) [ 431.008851][ T6111] !!!! put_css_set_locked css_put(ffff888100125800) [ 431.015490][ T6111] !!!! put_css_set_locked cgroup_put(self ffff88810558c000) [ 431.022834][ T6111] !!!! put_css_set_locked cgroup_put(self ffff88810013a000) [ 431.030171][ T6111] !!!! put_css_set_locked cgroup_put(self ffff88810558a000) [ 431.037512][ T6111] !!!! put_css_set_locked css_put(ffff88810fecfc00) [ 431.044150][ T6111] !!!! put_css_set_locked css_put(ffff88810ecd0c00) [ 431.050789][ T6111] !!!! put_css_set_locked css_put(ffff88811004fa00) [ 431.057429][ T6111] !!!! put_css_set_locked css_put(ffff88811045b000) [ 431.064067][ T6111] !!!! put_css_set_locked css_put(ffff88810fff2000) [ 431.070706][ T6111] !!!! put_css_set_locked css_put(ffff88811035a000) [ 431.077345][ T6111] !!!! put_css_set_locked css_put(ffff88811035be00) [ 431.083985][ T6111] !!!! put_css_set_locked css_put(ffff888100125800) [ 431.090622][ T6111] !!!! put_css_set_locked cgroup_put(self ffff88810fb5c000) [ 431.097960][ T6111] !!!! put_css_set_locked cgroup_put(self ffff8881102f6000) [ 431.105298][ T6111] !!!! put_css_set_locked cgroup_put(self ffff8881103b6000) [ 431.112634][ T6111] !!!! put_css_set_locked css_put(ffff888110089800) [ 431.119273][ T6111] !!!! put_css_set_locked css_put(ffff88811f32d200) [ 431.125912][ T6111] !!!! put_css_set_locked css_put(ffff8881100ce600) [ 431.132672][ T6111] !!!! put_css_set_locked css_put(ffff8881102ea400) [ 431.139326][ T6111] !!!! put_css_set_locked css_put(ffff888110230000) [ 431.145970][ T6111] !!!! put_css_set_locked css_put(ffff88811004f600) [ 431.152610][ T6111] !!!! put_css_set_locked css_put(ffff88811004f000) [ 431.159260][ T6111] !!!! put_css_set_locked css_put(ffff888100125800) [ 431.165907][ T6111] !!!! put_css_set_locked cgroup_put(self ffff88811001e000) [ 431.173252][ T6111] !!!! put_css_set_locked cgroup_put(self ffff888110234000) [ 431.180603][ T6111] !!!! put_css_set_locked cgroup_put(self ffff888110236000) [ 431.188163][ T6111] !!!! put_css_set_locked css_put(ffff888110ae7800) [ 431.194821][ T6111] !!!! put_css_set_locked css_put(ffff88811f32d800) [ 431.201472][ T6111] !!!! put_css_set_locked css_put(ffff888110358800) [ 431.208121][ T6111] !!!! put_css_set_locked css_put(ffff888110d30c00) [ 431.214769][ T6111] !!!! put_css_set_locked css_put(ffff88811030c000) [ 431.221412][ T6111] !!!! put_css_set_locked css_put(ffff8881102d6c00) [ 431.228052][ T6111] !!!! put_css_set_locked css_put(ffff8881106ac600) [ 431.234691][ T6111] !!!! put_css_set_locked css_put(ffff888100125800) [ 431.241348][ T6111] !!!! put_css_set_locked cgroup_put(self ffff888110232000) [ 431.248708][ T6111] !!!! put_css_set_locked cgroup_put(self ffff888110de0000) [ 431.256048][ T6111] !!!! put_css_set_locked cgroup_put(self ffff8881107ba000) [ 431.263558][ T6111] !!!! put_css_set_locked css_put(ffff888110825000) [ 431.270198][ T6111] !!!! put_css_set_locked css_put(ffff88810ecd0a00) [ 431.276838][ T6111] !!!! put_css_set_locked css_put(ffff8881103e3800) [ 431.283477][ T6111] !!!! put_css_set_locked css_put(ffff888110d30800) [ 431.290129][ T6111] !!!! put_css_set_locked css_put(ffff8881102f2000) [ 431.296952][ T6111] !!!! put_css_set_locked css_put(ffff888110358400) [ 431.303600][ T6111] !!!! put_css_set_locked css_put(ffff888110359a00) [ 431.310360][ T6111] !!!! put_css_set_locked css_put(ffff888100125800) [ 431.317132][ T6111] !!!! put_css_set_locked cgroup_put(self ffff8881102f4000) [ 431.324498][ T6111] !!!! put_css_set_locked cgroup_put(self ffff888110de6000) [ 431.331858][ T6111] !!!! put_css_set_locked cgroup_put(self ffff8881109ca000) [ 431.339217][ T6111] !!!! put_css_set_locked css_put(ffff88811088bc00) [ 431.345861][ T6111] !!!! put_css_set_locked css_put(ffff88811f32d000) [ 431.352507][ T6111] !!!! put_css_set_locked css_put(ffff888110359e00) [ 431.359166][ T6111] !!!! put_css_set_locked css_put(ffff888110ae6000) [ 431.366142][ T6111] !!!! put_css_set_locked css_put(ffff8881109b6000) [ 431.372790][ T6111] !!!! put_css_set_locked css_put(ffff8881103e2200) [ 431.379435][ T6111] !!!! put_css_set_locked css_put(ffff8881103e2400) [ 431.386079][ T6111] !!!! put_css_set_locked css_put(ffff888100125800) [ 431.392735][ T6111] !!!! put_css_set_locked cgroup_put(self ffff88811054a000) [ 431.400075][ T6111] !!!! put_css_set_locked cgroup_put(self ffff88811055e000) [ 431.407415][ T6111] !!!! put_css_set_locked cgroup_put(self ffff8881102f0000) [ 431.415671][ T6111] !!!! control_disable control_disable ss name cpu [ 431.422441][ T6111] !!!! control_disable control_disable ss name memory [ 431.429232][ T6111] !!!! control_disable control_disable ss name pids [ 431.439274][ T6111] !!!! control_disable control_disable ss name cpu [ 431.445807][ T6111] !!!! control_disable control_disable ss name memory [ 431.452734][ T6111] !!!! control_disable control_disable ss name pids [ 431.459316][ T6111] !!!! control_disable control_disable ss name cpu [ 431.465936][ T6111] !!!! control_disable control_disable ss name memory [ 431.472737][ T6111] !!!! control_disable control_disable ss name pids [ 431.479333][ T6111] !!!! control_disable control_disable ss name cpu [ 431.485854][ T6111] !!!! control_disable control_disable ss name memory [ 431.492641][ T6111] !!!! control_disable control_disable ss name pids [ 431.499224][ T6111] !!!! control_disable control_disable ss name cpu [ 431.505739][ T6111] !!!! control_disable control_disable ss name memory [ 431.512521][ T6111] !!!! control_disable control_disable ss name pids [ 431.519293][ T6111] !!!! control_disable control_disable ss name cpu [ 431.525830][ T6111] !!!! control_disable control_disable ss name memory [ 431.532903][ T6111] !!!! control_disable control_disable ss name pids [ 431.539505][ T6111] !!!! control_disable control_disable ss name cpu [ 431.546040][ T6111] !!!! control_disable control_disable ss name memory [ 431.552814][ T6111] !!!! control_disable control_disable ss name pids [ 431.559436][ T6111] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 431.559576][ T6113] !!!! put_css_set_locked css_put(ffff88811f33fc00) [ 431.572852][ T6113] !!!! put_css_set_locked css_put(ffff88811f32de00) [ 431.579500][ T6113] !!!! put_css_set_locked css_put(ffff888104db6600) [ 431.586159][ T6113] !!!! put_css_set_locked css_put(ffff88811f33dc00) [ 431.592811][ T6113] !!!! put_css_set_locked css_put(ffff8881053ec000) [ 431.599456][ T6113] !!!! put_css_set_locked css_put(ffff888104db6400) [ 431.606200][ T6113] !!!! put_css_set_locked css_put(ffff888104db6200) [ 431.612857][ T6113] !!!! put_css_set_locked css_put(ffff8881150a0800) [ 431.619508][ T6113] !!!! put_css_set_locked cgroup_put(self ffff88810558c000) [ 431.626895][ T6113] !!!! put_css_set_locked cgroup_put(self ffff88810013a000) [ 431.634490][ T6113] !!!! put_css_set_locked cgroup_put(self ffff88810558a000) [ 431.641836][ T6113] !!!! put_css_set_locked css_put(ffff88810fecfc00) [ 431.648586][ T6113] !!!! put_css_set_locked css_put(ffff88810ecd0c00) [ 431.655233][ T6113] !!!! put_css_set_locked css_put(ffff88811004fa00) [ 431.662133][ T6113] !!!! put_css_set_locked css_put(ffff88811045b000) [ 431.669120][ T6113] !!!! put_css_set_locked css_put(ffff88810fff2000) [ 431.675846][ T6113] !!!! put_css_set_locked css_put(ffff88811035a000) [ 431.682488][ T6113] !!!! put_css_set_locked css_put(ffff88811035be00) [ 431.689126][ T6113] !!!! put_css_set_locked css_put(ffff8881150a0400) [ 431.695766][ T6113] !!!! put_css_set_locked cgroup_put(self ffff88810fb5c000) [ 431.703105][ T6113] !!!! put_css_set_locked cgroup_put(self ffff8881102f6000) [ 431.710441][ T6113] !!!! put_css_set_locked cgroup_put(self ffff8881103b6000) [ 431.717779][ T6113] !!!! put_css_set_locked css_put(ffff888110089800) [ 431.724423][ T6113] !!!! put_css_set_locked css_put(ffff88811f32d200) [ 431.731156][ T6113] !!!! put_css_set_locked css_put(ffff8881100ce600) [ 431.737795][ T6113] !!!! put_css_set_locked css_put(ffff8881102ea400) [ 431.744434][ T6113] !!!! put_css_set_locked css_put(ffff888110230000) [ 431.751072][ T6113] !!!! put_css_set_locked css_put(ffff88811004f600) [ 431.757712][ T6113] !!!! put_css_set_locked css_put(ffff88811004f000) [ 431.764351][ T6113] !!!! put_css_set_locked css_put(ffff88811f62ec00) [ 431.770991][ T6113] !!!! put_css_set_locked cgroup_put(self ffff88811001e000) [ 431.778329][ T6113] !!!! put_css_set_locked cgroup_put(self ffff888110234000) [ 431.785664][ T6113] !!!! put_css_set_locked cgroup_put(self ffff888110236000) [ 431.793006][ T6113] !!!! put_css_set_locked css_put(ffff888110ae7800) [ 431.799645][ T6113] !!!! put_css_set_locked css_put(ffff88811f32d800) [ 431.806376][ T6113] !!!! put_css_set_locked css_put(ffff888110358800) [ 431.813026][ T6113] !!!! put_css_set_locked css_put(ffff888110d30c00) [ 431.819665][ T6113] !!!! put_css_set_locked css_put(ffff88811030c000) [ 431.826305][ T6113] !!!! put_css_set_locked css_put(ffff8881102d6c00) [ 431.832943][ T6113] !!!! put_css_set_locked css_put(ffff8881106ac600) [ 431.839591][ T6113] !!!! put_css_set_locked css_put(ffff88811f62e000) [ 431.846404][ T6113] !!!! put_css_set_locked cgroup_put(self ffff888110232000) [ 431.853740][ T6113] !!!! put_css_set_locked cgroup_put(self ffff888110de0000) [ 431.861075][ T6113] !!!! put_css_set_locked cgroup_put(self ffff8881107ba000) [ 431.868409][ T6113] !!!! put_css_set_locked css_put(ffff888110825000) [ 431.875049][ T6113] !!!! put_css_set_locked css_put(ffff88810ecd0a00) [ 431.881698][ T6113] !!!! put_css_set_locked css_put(ffff8881103e3800) [ 431.888345][ T6113] !!!! put_css_set_locked css_put(ffff888110d30800) [ 431.894994][ T6113] !!!! put_css_set_locked css_put(ffff8881102f2000) [ 431.901634][ T6113] !!!! put_css_set_locked css_put(ffff888110358400) [ 431.908447][ T6113] !!!! put_css_set_locked css_put(ffff888110359a00) [ 431.915088][ T6113] !!!! put_css_set_locked css_put(ffff88811f62e800) [ 431.921988][ T6113] !!!! put_css_set_locked cgroup_put(self ffff8881102f4000) [ 431.929344][ T6113] !!!! put_css_set_locked cgroup_put(self ffff888110de6000) [ 431.936880][ T6113] !!!! put_css_set_locked cgroup_put(self ffff8881109ca000) [ 431.944227][ T6113] !!!! put_css_set_locked css_put(ffff88811088bc00) [ 431.951134][ T6113] !!!! put_css_set_locked css_put(ffff88811f32d000) [ 431.957783][ T6113] !!!! put_css_set_locked css_put(ffff888110359e00) [ 431.964430][ T6113] !!!! put_css_set_locked css_put(ffff888110ae6000) [ 431.971077][ T6113] !!!! put_css_set_locked css_put(ffff8881109b6000) [ 431.977727][ T6113] !!!! put_css_set_locked css_put(ffff8881103e2200) [ 431.984549][ T6113] !!!! put_css_set_locked css_put(ffff8881103e2400) [ 431.991193][ T6113] !!!! put_css_set_locked css_put(ffff88811f62e400) [ 431.997832][ T6113] !!!! put_css_set_locked cgroup_put(self ffff88811054a000) [ 432.005174][ T6113] !!!! put_css_set_locked cgroup_put(self ffff88811055e000) [ 432.012571][ T6113] !!!! put_css_set_locked cgroup_put(self ffff8881102f0000) [ 432.020337][ T6113] !!!! control_disable control_disable ss name cpu [ 432.026910][ T6113] !!!! control_disable control_disable ss name memory [ 432.033787][ T6113] !!!! control_disable control_disable ss name pids [ 432.040383][ T6113] !!!! control_disable kill_css(ffff8881150a0800) [ 432.047032][ T6113] !!!! control_disable control_disable ss name cpu [ 432.053573][ T6113] !!!! control_disable control_disable ss name memory [ 432.060343][ T6113] !!!! control_disable control_disable ss name pids [ 432.067081][ T6113] !!!! control_disable kill_css(ffff8881150a0400) [ 432.071329][ C0] !!!! css_killed_ref_fn enqueue(ffff8881150a0800) [ 432.073738][ T6113] !!!! control_disable control_disable ss name cpu [ 432.086695][ T6113] !!!! control_disable control_disable ss name memory [ 432.093639][ T6113] !!!! control_disable control_disable ss name pids [ 432.100638][ T6113] !!!! control_disable kill_css(ffff88811f62ec00) [ 432.107864][ T6113] !!!! control_disable control_disable ss name cpu [ 432.114359][ T6113] !!!! control_disable control_disable ss name memory [ 432.121089][ T6113] !!!! control_disable control_disable ss name pids [ 432.127767][ T6113] !!!! control_disable kill_css(ffff88811f62e000) [ 432.134378][ T6113] !!!! control_disable control_disable ss name cpu [ 432.141340][ T6113] !!!! control_disable control_disable ss name memory [ 432.148622][ T6113] !!!! control_disable control_disable ss name pids [ 432.155439][ T6113] !!!! control_disable kill_css(ffff88811f62e800) [ 432.162066][ T6113] !!!! control_disable control_disable ss name cpu [ 432.168587][ T6113] !!!! control_disable control_disable ss name memory [ 432.175439][ T6113] !!!! control_disable control_disable ss name pids [ 432.182122][ T6113] !!!! control_disable kill_css(ffff88811f62e400) [ 432.188705][ T6113] !!!! control_disable control_disable ss name cpu [ 432.195196][ T6113] !!!! control_disable control_disable ss name memory [ 432.202128][ T6113] !!!! control_disable control_disable ss name pids [ 432.208971][ T6113] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 432.209208][ T373] !!!! css_killed_work_fn css_put(ffff8881150a0800) [ 432.222861][ T6053] ------------[ cut here ]------------ [ 432.228537][ T6053] WARNING: CPU: 1 PID: 6053 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 432.237704][ C1] !!!! css_killed_ref_fn enqueue(ffff8881150a0400) [ 432.244426][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f62ec00) [ 432.244444][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f62e000) [ 432.244455][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f62e800) [ 432.244472][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f62e400) [ 432.271272][ T6053] Modules linked in: [ 432.275793][ T6053] CPU: 1 PID: 6053 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 432.287696][ T6053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.298085][ T6053] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 432.303744][ T6053] Code: 48 c7 c2 40 06 04 86 e8 b4 f3 8e ff e9 8b fc ff ff e8 da 2d b6 ff e9 81 fc ff ff e8 d0 2d b6 ff e9 77 fc ff ff e8 c6 2d b6 ff <0f> 0b e9 f4 fc ff ff e8 ba 2d b6 ff e8 b5 b8 a2 ff e9 ea fc ff ff [ 432.324760][ T6053] RSP: 0018:ffffc90001007ca0 EFLAGS: 00010293 [ 432.330828][ T6053] RAX: ffffffff81b68bfa RBX: 00000000ffffffff RCX: ffff888122e2bb40 [ 432.338802][ T6053] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 432.346800][ T6053] RBP: ffffc90001007d70 R08: ffffffff81b688e8 R09: 0000000000000003 [ 432.354784][ T6053] R10: fffff52000200f85 R11: 1ffff92000200f84 R12: dffffc0000000000 [ 432.362759][ T6053] R13: ffff88810e7c5a40 R14: ffffc90001007d00 R15: 1ffff92000200f9c [ 432.370742][ T6053] FS: 0000555556b37300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 432.379842][ T6053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 432.389815][ T6053] CR2: 00007ffc59e32e4c CR3: 000000010c8ee000 CR4: 00000000003506a0 [ 432.397910][ T6053] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 432.405906][ T6053] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 432.413883][ T6053] Call Trace: [ 432.417157][ T6053] ? lockref_get_or_lock+0x340/0x340 [ 432.422448][ T6053] ? umount_tree+0xf50/0xf50 [ 432.427025][ T6053] ? vfs_submount+0xb0/0xb0 [ 432.431530][ T6053] ? dput+0x2b6/0x320 [ 432.435494][ T6053] path_umount+0x1fe/0xfb0 [ 432.439907][ T6053] ? namespace_unlock+0x4f0/0x4f0 [ 432.444960][ T6053] ? user_path_at_empty+0x40/0x50 [ 432.449972][ T6053] __x64_sys_umount+0x122/0x170 [ 432.454829][ T6053] ? path_umount+0xfb0/0xfb0 [ 432.459404][ T6053] ? debug_smp_processor_id+0x17/0x20 [ 432.464791][ T6053] do_syscall_64+0x34/0x70 [ 432.469188][ T6053] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 432.475066][ T6053] RIP: 0033:0x7f777aae7fb7 [ 432.479570][ T6053] Code: 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 432.499199][ T6053] RSP: 002b:00007ffc59e32e38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 432.507610][ T6053] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f777aae7fb7 [ 432.515580][ T6053] RDX: 00007ffc59e32ef9 RSI: 000000000000000a RDI: 00007ffc59e32ef0 [ 432.523553][ T6053] RBP: 00007ffc59e32ef0 R08: 00000000ffffffff R09: 00007ffc59e32cd0 [ 432.531520][ T6053] R10: 0000555556b396a3 R11: 0000000000000202 R12: 00007ffc59e33f70 [ 432.539475][ T6053] R13: 0000555556b39600 R14: 00007ffc59e32e60 R15: 0000000000000008 [ 432.547437][ T6053] ---[ end trace 4ba3e93e7aefdc14 ]--- [ 432.552904][ T6075] !!!! css_killed_work_fn css_put(ffff8881150a0400) [ 432.552940][ T6053] ------------[ cut here ]------------ [ 432.559618][ T6075] !!!! css_killed_work_fn css_put(ffff88811f62ec00) [ 432.571746][ T6075] !!!! css_killed_work_fn css_put(ffff88811f62e000) [ 432.578507][ T6053] WARNING: CPU: 0 PID: 6053 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 432.578512][ T6075] !!!! css_killed_work_fn css_put(ffff88811f62e800) [ 432.578572][ T6075] !!!! css_killed_work_fn css_put(ffff88811f62e400) [ 432.588709][ T6053] Modules linked in: [ 432.601054][ T6120] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 432.601088][ T6118] !!!! css_create css ffff88810dba9c00 !!!! [ 432.605349][ T6053] [ 432.611613][ T6118] !!!! css_create css ffff88810dbaac00 !!!! [ 432.617573][ T6053] CPU: 0 PID: 6053 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 432.619778][ T6118] !!!! css_create css ffff88810f148000 !!!! [ 432.625746][ T6053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.637363][ T6118] FAULT_INJECTION: forcing a failure. [ 432.637363][ T6118] name failslab, interval 1, probability 0, space 0, times 0 [ 432.643354][ T6053] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 432.653470][ T6118] CPU: 1 PID: 6118 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 432.666144][ T6053] Code: 0e a1 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 fe 13 b5 ff 48 8b 7d d0 e8 c5 07 05 00 e9 21 fd ff ff e8 eb 13 b5 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 da 5e 86 80 e1 07 80 c1 03 38 c1 [ 432.671177][ T6118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.671181][ T6118] Call Trace: [ 432.671192][ T6118] dump_stack_lvl+0x1e2/0x24b [ 432.671205][ T6118] ? bfq_pos_tree_add_move+0x43e/0x43e [ 432.683107][ T6053] RSP: 0018:ffffc90001007e30 EFLAGS: 00010293 [ 432.702807][ T6118] dump_stack+0x15/0x17 [ 432.702816][ T6118] should_fail+0x3c0/0x510 [ 432.702824][ T6118] ? __kernfs_new_node+0x99/0x6e0 [ 432.702838][ T6118] __should_failslab+0x9f/0xe0 [ 432.713063][ T6053] [ 432.716120][ T6118] should_failslab+0x9/0x20 [ 432.716130][ T6118] __kmalloc_track_caller+0x5f/0x350 [ 432.716143][ T6118] kstrdup_const+0x55/0x90 [ 432.720885][ T6053] RAX: ffffffff81b7a5d5 RBX: ffffe8ffffd1300c RCX: ffff888122e2bb40 [ 432.726300][ T6118] __kernfs_new_node+0x99/0x6e0 [ 432.726308][ T6118] ? stack_trace_save+0x1f0/0x1f0 [ 432.726316][ T6118] ? kernfs_new_node+0x170/0x170 [ 432.726330][ T6118] ? ptr_to_hashval+0x60/0x60 [ 432.732675][ T6053] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 432.736504][ T6118] ? snprintf+0xd6/0x120 [ 432.736517][ T6118] ? debug_smp_processor_id+0x17/0x20 [ 432.740913][ T6053] RBP: ffffc90001007e80 R08: ffffffff81b7a2b3 R09: 0000000000000003 [ 432.745892][ T6118] kernfs_new_node+0x97/0x170 [ 432.745901][ T6118] __kernfs_create_file+0x4a/0x270 [ 432.745909][ T6118] cgroup_addrm_files+0xab8/0xfe0 [ 432.745922][ T6118] ? cgroup_apply_control_enable+0x734/0x12e0 [ 432.751022][ T6053] R10: fffff52000200fc5 R11: 1ffff92000200fc4 R12: ffff88810e7c5aa8 [ 432.752963][ T6118] ? cgroup_apply_control+0x93/0x710 [ 432.752972][ T6118] ? cgroup_subtree_control_write+0xd19/0x1310 [ 432.752985][ T6118] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 432.757745][ T6053] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000fffffffe [ 432.762801][ T6118] ? delete_node+0x759/0x7b0 [ 432.762810][ T6118] ? __kasan_check_read+0x11/0x20 [ 432.762823][ T6118] ? delete_node+0x759/0x7b0 [ 432.767373][ T6053] FS: 0000555556b37300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 432.775251][ T6118] ? __kasan_check_write+0x14/0x20 [ 432.775260][ T6118] ? __radix_tree_replace+0x246/0x2e0 [ 432.775269][ T6118] ? idr_get_next+0x4b0/0x4b0 [ 432.775282][ T6118] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 432.780288][ T6053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 432.785093][ T6118] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 432.785103][ T6118] css_populate_dir+0x137/0x370 [ 432.785116][ T6118] cgroup_apply_control_enable+0x629/0x12e0 [ 432.790224][ T6053] CR2: 00007f777ab51130 CR3: 000000010c8ee000 CR4: 00000000003506b0 [ 432.794679][ T6118] cgroup_apply_control+0x93/0x710 [ 432.794688][ T6118] ? css_next_child+0x160/0x160 [ 432.794701][ T6118] ? stack_trace_save+0x12d/0x1f0 [ 432.802821][ T6053] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 432.806861][ T6118] ? io_schedule+0x120/0x120 [ 432.806876][ T6118] ? kernfs_fop_write_iter+0x15e/0x410 [ 432.812354][ T6053] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 432.820159][ T6118] ? __kasan_check_write+0x14/0x20 [ 432.820173][ T6118] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 432.824984][ T6053] Call Trace: [ 432.829924][ T6118] cgroup_subtree_control_write+0xd19/0x1310 [ 432.829938][ T6118] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 432.835079][ T6053] __cleanup_mnt+0x19/0x20 [ 432.841057][ T6118] ? __kasan_check_write+0x14/0x20 [ 432.841065][ T6118] ? _copy_from_iter+0x3fb/0xd60 [ 432.841078][ T6118] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 432.849192][ T6053] task_work_run+0x147/0x1b0 [ 432.854275][ T6118] cgroup_file_write+0x28e/0x590 [ 432.854285][ T6118] ? cgroup_seqfile_stop+0xc0/0xc0 [ 432.854292][ T6118] ? mutex_lock+0xa6/0x110 [ 432.854304][ T6118] ? mutex_trylock+0xb0/0xb0 [ 432.860698][ T6053] exit_to_user_mode_loop+0xc8/0xe0 [ 432.866651][ T6118] ? __kasan_check_write+0x14/0x20 [ 432.866659][ T6118] kernfs_fop_write_iter+0x2d0/0x410 [ 432.866673][ T6118] ? cgroup_seqfile_stop+0xc0/0xc0 [ 432.874781][ T6053] syscall_exit_to_user_mode+0x77/0xa0 [ 432.879175][ T6118] vfs_write+0xc1c/0xf40 [ 432.879182][ T6118] ? slab_free_freelist_hook+0xcc/0x1a0 [ 432.879194][ T6118] ? kernel_write+0x3c0/0x3c0 [ 432.884371][ T6053] do_syscall_64+0x40/0x70 [ 432.888748][ T6118] ? do_sys_openat2+0x397/0x470 [ 432.888768][ T6118] ? __kasan_check_read+0x11/0x20 [ 432.897806][ T6053] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 432.902747][ T6118] ? __fdget_pos+0x27e/0x310 [ 432.902755][ T6118] ksys_write+0x198/0x2c0 [ 432.902770][ T6118] ? __ia32_sys_read+0x90/0x90 [ 432.908256][ T6053] RIP: 0033:0x7f777aae7fb7 [ 432.912755][ T6118] ? debug_smp_processor_id+0x17/0x20 [ 432.912769][ T6118] __x64_sys_write+0x7b/0x90 [ 432.912782][ T6118] do_syscall_64+0x34/0x70 [ 432.917947][ T6053] Code: 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 432.924330][ T6118] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 432.924338][ T6118] RIP: 0033:0x7f777aae6c09 [ 432.924346][ T6118] 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 [ 432.924356][ T6118] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 [ 432.929682][ T6053] RSP: 002b:00007ffc59e32e38 EFLAGS: 00000202 [ 432.934340][ T6118] ORIG_RAX: 0000000000000001 [ 432.934347][ T6118] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 432.934353][ T6118] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 432.934358][ T6118] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 432.934369][ T6118] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 432.940466][ T6053] ORIG_RAX: 00000000000000a6 [ 432.948175][ T6118] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000007 [ 432.948321][ T6118] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 432.953452][ T6053] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f777aae7fb7 [ 432.958176][ T6118] !!!! control_disable control_disable ss name cpu [ 432.963277][ T6053] RDX: 00007ffc59e32ef9 RSI: 000000000000000a RDI: 00007ffc59e32ef0 [ 432.971145][ T6118] !!!! control_disable control_disable ss name memory [ 432.975802][ T6053] RBP: 00007ffc59e32ef0 R08: 00000000ffffffff R09: 00007ffc59e32cd0 [ 432.981179][ T6118] !!!! control_disable control_disable ss name pids [ 432.989233][ T6053] R10: 0000555556b396a3 R11: 0000000000000202 R12: 00007ffc59e33f70 [ 432.994358][ T6118] !!!! control_disable kill_css(ffff88810dba9c00) [ 432.999687][ T6053] R13: 0000555556b39600 R14: 00007ffc59e32e60 R15: 0000000000000008 [ 433.002939][ T6118] !!!! control_disable control_disable ss name cpu [ 433.008957][ T6053] ---[ end trace 4ba3e93e7aefdc15 ]--- [ 433.014870][ T6118] !!!! control_disable control_disable ss name memory [ 433.355483][ T6118] !!!! control_disable control_disable ss name pids [ 433.362079][ T6118] !!!! control_disable kill_css(ffff88810dbaac00) [ 433.368697][ T6118] !!!! control_disable control_disable ss name cpu [ 433.375195][ C1] !!!! css_killed_ref_fn enqueue(ffff88810dba9c00) [ 433.381898][ T6118] !!!! control_disable control_disable ss name memory [ 433.388627][ T6118] !!!! control_disable control_disable ss name pids [ 433.395220][ T6118] !!!! control_disable kill_css(ffff88810f148000) [ 433.401717][ T6118] !!!! control_disable control_disable ss name cpu [ 433.408182][ T6118] !!!! control_disable control_disable ss name memory [ 433.414930][ T6118] !!!! control_disable control_disable ss name cpu [ 433.421429][ T6118] !!!! control_disable control_disable ss name memory [ 433.428163][ T6118] !!!! control_disable control_disable ss name cpu [ 433.434691][ T6118] !!!! control_disable control_disable ss name memory [ 433.441477][ T6118] !!!! control_disable control_disable ss name cpu [ 433.447953][ T6118] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 433.454750][ T6118] !!!! control_disable control_disable ss name pids [ 433.461370][ T6118] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 433.461583][ T6075] !!!! css_killed_work_fn css_put(ffff88810dba9c00) [ 433.476251][ C1] !!!! css_killed_ref_fn enqueue(ffff88810dbaac00) [ 433.482945][ T6075] !!!! css_killed_work_fn css_put(ffff88810dbaac00) [ 433.489660][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f148000) [ 433.496381][ T6075] !!!! css_killed_work_fn css_put(ffff88810f148000) [ 433.503112][ T6122] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 433.503798][ T6120] !!!! css_create css ffff88811cbf9800 !!!! [ 433.515617][ T6120] !!!! css_create css ffff88811cbfb400 !!!! [ 433.521615][ T6120] !!!! css_create css ffff88811cbfb800 !!!! [ 433.527574][ T6120] FAULT_INJECTION: forcing a failure. [ 433.527574][ T6120] name failslab, interval 1, probability 0, space 0, times 0 [ 433.540154][ T6120] CPU: 0 PID: 6120 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 433.551842][ T6120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.561869][ T6120] Call Trace: [ 433.565129][ T6120] dump_stack_lvl+0x1e2/0x24b [ 433.569775][ T6120] ? bfq_pos_tree_add_move+0x43e/0x43e [ 433.575203][ T6120] ? find_next_bit+0xd6/0x120 [ 433.579854][ T6120] ? cpumask_next+0x11/0x30 [ 433.584327][ T6120] dump_stack+0x15/0x17 [ 433.588456][ T6120] should_fail+0x3c0/0x510 [ 433.592840][ T6120] ? percpu_ref_init+0xd0/0x330 [ 433.597661][ T6120] __should_failslab+0x9f/0xe0 [ 433.602394][ T6120] should_failslab+0x9/0x20 [ 433.607133][ T6120] kmem_cache_alloc_trace+0x3a/0x330 [ 433.612393][ T6120] percpu_ref_init+0xd0/0x330 [ 433.617048][ T6120] ? cgroup_setup_root+0xea0/0xea0 [ 433.622151][ T6120] cgroup_apply_control_enable+0x734/0x12e0 [ 433.628021][ T6120] cgroup_apply_control+0x93/0x710 [ 433.633099][ T6120] ? css_next_child+0x160/0x160 [ 433.637922][ T6120] ? stack_trace_save+0x12d/0x1f0 [ 433.642917][ T6120] ? io_schedule+0x120/0x120 [ 433.647480][ T6120] ? kernfs_fop_write_iter+0x15e/0x410 [ 433.652916][ T6120] ? __kasan_check_write+0x14/0x20 [ 433.657994][ T6120] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 433.663261][ T6120] cgroup_subtree_control_write+0xd19/0x1310 [ 433.669635][ T6120] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 433.675592][ T6120] ? __kasan_check_write+0x14/0x20 [ 433.680678][ T6120] ? _copy_from_iter+0x3fb/0xd60 [ 433.685582][ T6120] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 433.691528][ T6120] cgroup_file_write+0x28e/0x590 [ 433.696433][ T6120] ? cgroup_seqfile_stop+0xc0/0xc0 [ 433.701519][ T6120] ? mutex_lock+0xa6/0x110 [ 433.705908][ T6120] ? mutex_trylock+0xb0/0xb0 [ 433.710467][ T6120] ? __kasan_check_write+0x14/0x20 [ 433.715546][ T6120] kernfs_fop_write_iter+0x2d0/0x410 [ 433.720801][ T6120] ? cgroup_seqfile_stop+0xc0/0xc0 [ 433.725883][ T6120] vfs_write+0xc1c/0xf40 [ 433.730116][ T6120] ? slab_free_freelist_hook+0xcc/0x1a0 [ 433.735630][ T6120] ? kernel_write+0x3c0/0x3c0 [ 433.740279][ T6120] ? do_sys_openat2+0x397/0x470 [ 433.745103][ T6120] ? __kasan_check_read+0x11/0x20 [ 433.750122][ T6120] ? __fdget_pos+0x27e/0x310 [ 433.754679][ T6120] ksys_write+0x198/0x2c0 [ 433.758984][ T6120] ? __ia32_sys_read+0x90/0x90 [ 433.763722][ T6120] ? debug_smp_processor_id+0x17/0x20 [ 433.769063][ T6120] __x64_sys_write+0x7b/0x90 [ 433.773621][ T6120] do_syscall_64+0x34/0x70 [ 433.778005][ T6120] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 433.784039][ T6120] RIP: 0033:0x7f777aae6c09 [ 433.788426][ T6120] 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 [ 433.808002][ T6120] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 433.816383][ T6120] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 433.824339][ T6120] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 433.832286][ T6120] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 433.840324][ T6120] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 433.848275][ T6120] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000009 [ 433.856380][ T6120] !!!! css_create rcu_enqueue(ffff88811cbfb800) !!!! [ 433.863065][ T6120] !!!! control_disable control_disable ss name cpu [ 433.869541][ T6120] !!!! control_disable control_disable ss name memory [ 433.876343][ T6120] !!!! control_disable control_disable ss name pids [ 433.883001][ T6120] !!!! control_disable kill_css(ffff88811cbf9800) [ 433.889534][ T6120] !!!! control_disable control_disable ss name cpu [ 433.896084][ T6120] !!!! control_disable control_disable ss name memory [ 433.903025][ T6120] !!!! control_disable control_disable ss name pids [ 433.909635][ T6120] !!!! control_disable kill_css(ffff88811cbfb400) [ 433.916229][ T6120] !!!! control_disable control_disable ss name cpu [ 433.922772][ C1] !!!! css_killed_ref_fn enqueue(ffff88811cbf9800) [ 433.929398][ T6120] !!!! control_disable control_disable ss name memory [ 433.936180][ T6120] !!!! control_disable control_disable ss name cpu [ 433.942679][ T6120] !!!! control_disable control_disable ss name memory [ 433.949496][ T6120] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 433.956249][ T6120] !!!! control_disable control_disable ss name memory [ 433.963014][ T6120] !!!! control_disable control_disable ss name cpu [ 433.969492][ T6120] !!!! control_disable control_disable ss name memory [ 433.976509][ T6120] !!!! control_disable control_disable ss name cpu [ 433.982992][ T6120] !!!! control_disable control_disable ss name memory [ 433.989720][ T6120] !!!! control_disable control_disable ss name pids [ 433.996325][ T6120] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 434.002929][ T6075] !!!! css_killed_work_fn css_put(ffff88811cbf9800) [ 434.009895][ C1] !!!! css_killed_ref_fn enqueue(ffff88811cbfb400) [ 434.016517][ T6075] !!!! css_killed_work_fn css_put(ffff88811cbfb400) [ 434.023250][ T6115] !!!! css_create css ffff888119faf400 !!!! [ 434.029214][ T6115] !!!! css_create css ffff888119facc00 !!!! [ 434.035220][ T6115] !!!! css_create css ffff88811ca4d800 !!!! [ 434.041136][ T6115] FAULT_INJECTION: forcing a failure. [ 434.041136][ T6115] name failslab, interval 1, probability 0, space 0, times 0 [ 434.053963][ T6115] CPU: 1 PID: 6115 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 434.065743][ T6115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 434.075775][ T6115] Call Trace: [ 434.079048][ T6115] dump_stack_lvl+0x1e2/0x24b [ 434.083722][ T6115] ? bfq_pos_tree_add_move+0x43e/0x43e [ 434.089268][ T6115] dump_stack+0x15/0x17 [ 434.093408][ T6115] should_fail+0x3c0/0x510 [ 434.097809][ T6115] ? __kernfs_new_node+0x99/0x6e0 [ 434.102807][ T6115] __should_failslab+0x9f/0xe0 [ 434.107546][ T6115] should_failslab+0x9/0x20 [ 434.112026][ T6115] __kmalloc_track_caller+0x5f/0x350 [ 434.117543][ T6115] kstrdup_const+0x55/0x90 [ 434.121925][ T6115] __kernfs_new_node+0x99/0x6e0 [ 434.126746][ T6115] ? stack_trace_save+0x1f0/0x1f0 [ 434.131746][ T6115] ? kernfs_new_node+0x170/0x170 [ 434.136654][ T6115] ? ptr_to_hashval+0x60/0x60 [ 434.141305][ T6115] ? snprintf+0xd6/0x120 [ 434.145544][ T6115] kernfs_new_node+0x97/0x170 [ 434.150189][ T6115] __kernfs_create_file+0x4a/0x270 [ 434.155270][ T6115] cgroup_addrm_files+0xab8/0xfe0 [ 434.160262][ T6115] ? cgroup_apply_control_enable+0x734/0x12e0 [ 434.166321][ T6115] ? cgroup_apply_control+0x93/0x710 [ 434.171674][ T6115] ? cgroup_subtree_control_write+0xd19/0x1310 [ 434.177807][ T6115] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 434.183943][ T6115] ? delete_node+0x759/0x7b0 [ 434.188511][ T6115] ? __kasan_check_read+0x11/0x20 [ 434.193509][ T6115] ? delete_node+0x759/0x7b0 [ 434.198070][ T6115] ? __kasan_check_write+0x14/0x20 [ 434.203158][ T6115] ? __radix_tree_replace+0x246/0x2e0 [ 434.208509][ T6115] ? idr_get_next+0x4b0/0x4b0 [ 434.213172][ T6115] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 434.218178][ T6115] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 434.223351][ T6115] css_populate_dir+0x137/0x370 [ 434.228249][ T6115] cgroup_apply_control_enable+0x629/0x12e0 [ 434.234217][ T6115] cgroup_apply_control+0x93/0x710 [ 434.239653][ T6115] ? css_next_child+0x160/0x160 [ 434.244484][ T6115] ? stack_trace_save+0x12d/0x1f0 [ 434.249489][ T6115] ? io_schedule+0x120/0x120 [ 434.254056][ T6115] ? kernfs_fop_write_iter+0x15e/0x410 [ 434.259483][ T6115] ? __kasan_check_write+0x14/0x20 [ 434.264565][ T6115] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 434.269817][ T6115] cgroup_subtree_control_write+0xd19/0x1310 [ 434.275766][ T6115] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 434.281719][ T6115] ? __kasan_check_write+0x14/0x20 [ 434.286805][ T6115] ? _copy_from_iter+0x3fb/0xd60 [ 434.291710][ T6115] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 434.297661][ T6115] cgroup_file_write+0x28e/0x590 [ 434.302568][ T6115] ? cgroup_seqfile_stop+0xc0/0xc0 [ 434.307753][ T6115] ? mutex_lock+0xa6/0x110 [ 434.312148][ T6115] ? mutex_trylock+0xb0/0xb0 [ 434.316707][ T6115] ? __kasan_check_write+0x14/0x20 [ 434.321875][ T6115] kernfs_fop_write_iter+0x2d0/0x410 [ 434.327131][ T6115] ? cgroup_seqfile_stop+0xc0/0xc0 [ 434.332212][ T6115] vfs_write+0xc1c/0xf40 [ 434.336431][ T6115] ? slab_free_freelist_hook+0xcc/0x1a0 [ 434.342038][ T6115] ? kernel_write+0x3c0/0x3c0 [ 434.346685][ T6115] ? do_sys_openat2+0x397/0x470 [ 434.351504][ T6115] ? __kasan_check_read+0x11/0x20 [ 434.356496][ T6115] ? __fdget_pos+0x27e/0x310 [ 434.361054][ T6115] ksys_write+0x198/0x2c0 [ 434.365354][ T6115] ? __ia32_sys_read+0x90/0x90 [ 434.370094][ T6115] ? debug_smp_processor_id+0x17/0x20 [ 434.375435][ T6115] __x64_sys_write+0x7b/0x90 [ 434.380000][ T6115] do_syscall_64+0x34/0x70 [ 434.384386][ T6115] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 434.390251][ T6115] RIP: 0033:0x7f777aae6c09 [ 434.394641][ T6115] 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 [ 434.414216][ T6115] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 434.422597][ T6115] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 434.430538][ T6115] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 434.438582][ T6115] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 434.446538][ T6115] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 434.454487][ T6115] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000007 [ 434.463274][ T6115] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 434.470320][ T6115] !!!! control_disable control_disable ss name cpu [ 434.476861][ T6115] !!!! control_disable control_disable ss name memory [ 434.483645][ T6115] !!!! control_disable control_disable ss name pids [ 434.490221][ T6115] !!!! control_disable kill_css(ffff888119faf400) [ 434.496762][ T6115] !!!! control_disable control_disable ss name cpu [ 434.503293][ T6115] !!!! control_disable control_disable ss name memory [ 434.510223][ T6115] !!!! control_disable control_disable ss name pids [ 434.516829][ T6115] !!!! control_disable kill_css(ffff888119facc00) [ 434.523375][ T6115] !!!! control_disable control_disable ss name cpu [ 434.529881][ T6115] !!!! control_disable control_disable ss name memory [ 434.536663][ C0] !!!! css_killed_ref_fn enqueue(ffff888119faf400) [ 434.543293][ T6115] !!!! control_disable control_disable ss name pids [ 434.549865][ T6115] !!!! control_disable kill_css(ffff88811ca4d800) [ 434.556386][ T6115] !!!! control_disable control_disable ss name cpu [ 434.562983][ C0] !!!! css_killed_ref_fn enqueue(ffff888119facc00) [ 434.569571][ T6115] !!!! control_disable control_disable ss name memory [ 434.576364][ T6115] !!!! control_disable control_disable ss name cpu [ 434.582849][ T6115] !!!! control_disable control_disable ss name memory [ 434.589668][ T6115] !!!! control_disable control_disable ss name cpu [ 434.596248][ T6115] !!!! control_disable control_disable ss name memory [ 434.602999][ T6115] !!!! control_disable control_disable ss name cpu [ 434.609465][ T6115] !!!! control_disable control_disable ss name memory [ 434.616224][ T6115] !!!! control_disable control_disable ss name pids [ 434.622812][ T6115] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 434.629431][ T373] !!!! css_killed_work_fn css_put(ffff888119faf400) [ 434.636160][ T373] !!!! css_killed_work_fn css_put(ffff888119facc00) [ 434.642923][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ca4d800) [ 434.650472][ T373] !!!! css_killed_work_fn css_put(ffff88811ca4d800) [ 434.657346][ T6121] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 434.657358][ T6123] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 434.657496][ T6123] !!!! css_create css ffff88811c0b3000 !!!! [ 434.676406][ T6123] !!!! css_create css ffff88811c0b2400 !!!! [ 434.682338][ T6123] !!!! css_create css ffff88811c0b2800 !!!! [ 434.688369][ T6123] FAULT_INJECTION: forcing a failure. [ 434.688369][ T6123] name failslab, interval 1, probability 0, space 0, times 0 [ 434.700979][ T6123] CPU: 1 PID: 6123 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 434.712846][ T6123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 434.723056][ T6123] Call Trace: [ 434.726323][ T6123] dump_stack_lvl+0x1e2/0x24b [ 434.730976][ T6123] ? bfq_pos_tree_add_move+0x43e/0x43e [ 434.736418][ T6123] ? find_next_bit+0xd6/0x120 [ 434.741082][ T6123] ? cpumask_next+0x11/0x30 [ 434.745573][ T6123] dump_stack+0x15/0x17 [ 434.749717][ T6123] should_fail+0x3c0/0x510 [ 434.754116][ T6123] ? percpu_ref_init+0xd0/0x330 [ 434.758953][ T6123] __should_failslab+0x9f/0xe0 [ 434.763693][ T6123] should_failslab+0x9/0x20 [ 434.768168][ T6123] kmem_cache_alloc_trace+0x3a/0x330 [ 434.773423][ T6123] percpu_ref_init+0xd0/0x330 [ 434.778078][ T6123] ? cgroup_setup_root+0xea0/0xea0 [ 434.783168][ T6123] cgroup_apply_control_enable+0x734/0x12e0 [ 434.789030][ T6123] cgroup_apply_control+0x93/0x710 [ 434.794111][ T6123] ? css_next_child+0x160/0x160 [ 434.799020][ T6123] ? stack_trace_save+0x12d/0x1f0 [ 434.804138][ T6123] ? io_schedule+0x120/0x120 [ 434.808798][ T6123] ? kernfs_fop_write_iter+0x15e/0x410 [ 434.814388][ T6123] ? __kasan_check_write+0x14/0x20 [ 434.819833][ T6123] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 434.825138][ T6123] cgroup_subtree_control_write+0xd19/0x1310 [ 434.831187][ T6123] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 434.837138][ T6123] ? __kasan_check_write+0x14/0x20 [ 434.842221][ T6123] ? _copy_from_iter+0x3fb/0xd60 [ 434.847222][ T6123] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 434.853177][ T6123] cgroup_file_write+0x28e/0x590 [ 434.858092][ T6123] ? cgroup_seqfile_stop+0xc0/0xc0 [ 434.863179][ T6123] ? mutex_lock+0xa6/0x110 [ 434.867743][ T6123] ? mutex_trylock+0xb0/0xb0 [ 434.872395][ T6123] ? __kasan_check_write+0x14/0x20 [ 434.877492][ T6123] kernfs_fop_write_iter+0x2d0/0x410 [ 434.882758][ T6123] ? cgroup_seqfile_stop+0xc0/0xc0 [ 434.887851][ T6123] vfs_write+0xc1c/0xf40 [ 434.892063][ T6123] ? slab_free_freelist_hook+0xcc/0x1a0 [ 434.897578][ T6123] ? kernel_write+0x3c0/0x3c0 [ 434.902224][ T6123] ? do_sys_openat2+0x397/0x470 [ 434.907046][ T6123] ? __kasan_check_read+0x11/0x20 [ 434.912137][ T6123] ? __fdget_pos+0x27e/0x310 [ 434.916707][ T6123] ksys_write+0x198/0x2c0 [ 434.921007][ T6123] ? __ia32_sys_read+0x90/0x90 [ 434.925741][ T6123] ? debug_smp_processor_id+0x17/0x20 [ 434.931079][ T6123] __x64_sys_write+0x7b/0x90 [ 434.935638][ T6123] do_syscall_64+0x34/0x70 [ 434.940118][ T6123] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 434.945984][ T6123] RIP: 0033:0x7f777aae6c09 [ 434.950372][ T6123] 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 [ 434.969950][ T6123] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 434.978331][ T6123] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 434.986285][ T6123] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 434.994229][ T6123] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 435.002194][ T6123] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 435.010146][ T6123] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000008 [ 435.019025][ T6123] !!!! css_create rcu_enqueue(ffff88811c0b2800) !!!! [ 435.025922][ T6123] !!!! control_disable control_disable ss name cpu [ 435.032425][ T6123] !!!! control_disable control_disable ss name memory [ 435.039163][ T6123] !!!! control_disable control_disable ss name pids [ 435.045743][ T6123] !!!! control_disable kill_css(ffff88811c0b3000) [ 435.052265][ T6123] !!!! control_disable control_disable ss name cpu [ 435.058732][ T6123] !!!! control_disable control_disable ss name memory [ 435.065487][ T6123] !!!! control_disable control_disable ss name pids [ 435.072069][ T6123] !!!! control_disable kill_css(ffff88811c0b2400) [ 435.078563][ T6123] !!!! control_disable control_disable ss name cpu [ 435.085055][ T6123] !!!! control_disable control_disable ss name memory [ 435.092155][ T6123] !!!! control_disable control_disable ss name cpu [ 435.098623][ T6123] !!!! control_disable control_disable ss name memory [ 435.105462][ T6123] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 435.111955][ T6123] !!!! control_disable control_disable ss name memory [ 435.118700][ T6123] !!!! control_disable control_disable ss name cpu [ 435.125286][ T6123] !!!! control_disable control_disable ss name memory [ 435.132039][ T6123] !!!! control_disable control_disable ss name cpu [ 435.138598][ T6123] !!!! control_disable control_disable ss name memory [ 435.145373][ T6123] !!!! control_disable control_disable ss name pids [ 435.151999][ T6123] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 435.201399][ C1] !!!! css_killed_ref_fn enqueue(ffff88811c0b3000) [ 435.208016][ C1] !!!! css_killed_ref_fn enqueue(ffff88811c0b2400) [ 435.214639][ T6075] !!!! css_killed_work_fn css_put(ffff88811c0b3000) [ 435.221351][ T6075] !!!! css_killed_work_fn css_put(ffff88811c0b2400) [ 435.228041][ T6119] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 435.228057][ T6124] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 435.234621][ T6122] !!!! css_create css ffff888106986400 !!!! [ 435.247904][ T6122] !!!! css_create css ffff888106986800 !!!! [ 435.253948][ T6122] !!!! css_create css ffff888106985400 !!!! [ 435.259837][ T6122] FAULT_INJECTION: forcing a failure. [ 435.259837][ T6122] name failslab, interval 1, probability 0, space 0, times 0 [ 435.272457][ T6122] CPU: 1 PID: 6122 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 435.284155][ T6122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.294218][ T6122] Call Trace: [ 435.297763][ T6122] dump_stack_lvl+0x1e2/0x24b [ 435.302591][ T6122] ? bfq_pos_tree_add_move+0x43e/0x43e [ 435.308018][ T6122] ? serial8250_console_write+0xae0/0xe60 [ 435.313713][ T6122] ? record_print_text+0x266/0x420 [ 435.318791][ T6122] dump_stack+0x15/0x17 [ 435.322911][ T6122] should_fail+0x3c0/0x510 [ 435.327310][ T6122] ? __kernfs_new_node+0x99/0x6e0 [ 435.332306][ T6122] __should_failslab+0x9f/0xe0 [ 435.337038][ T6122] should_failslab+0x9/0x20 [ 435.341515][ T6122] __kmalloc_track_caller+0x5f/0x350 [ 435.346783][ T6122] kstrdup_const+0x55/0x90 [ 435.351269][ T6122] __kernfs_new_node+0x99/0x6e0 [ 435.356193][ T6122] ? stack_trace_save+0x1f0/0x1f0 [ 435.361191][ T6122] ? kernfs_new_node+0x170/0x170 [ 435.366097][ T6122] ? ptr_to_hashval+0x60/0x60 [ 435.371263][ T6122] ? snprintf+0xd6/0x120 [ 435.375479][ T6122] kernfs_new_node+0x97/0x170 [ 435.380126][ T6122] __kernfs_create_file+0x4a/0x270 [ 435.385314][ T6122] cgroup_addrm_files+0xab8/0xfe0 [ 435.390399][ T6122] ? cgroup_apply_control_enable+0x734/0x12e0 [ 435.396432][ T6122] ? cgroup_apply_control+0x93/0x710 [ 435.401773][ T6122] ? cgroup_subtree_control_write+0xd19/0x1310 [ 435.407892][ T6122] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 435.414014][ T6122] ? delete_node+0x759/0x7b0 [ 435.418830][ T6122] ? __kasan_check_read+0x11/0x20 [ 435.423837][ T6122] ? delete_node+0x759/0x7b0 [ 435.428936][ T6122] ? __kasan_check_write+0x14/0x20 [ 435.434024][ T6122] ? __radix_tree_replace+0x246/0x2e0 [ 435.439366][ T6122] ? idr_get_next+0x4b0/0x4b0 [ 435.444007][ T6122] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 435.449002][ T6122] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 435.454251][ T6122] css_populate_dir+0x137/0x370 [ 435.459067][ T6122] cgroup_apply_control_enable+0x629/0x12e0 [ 435.464923][ T6122] cgroup_apply_control+0x93/0x710 [ 435.470003][ T6122] ? css_next_child+0x160/0x160 [ 435.474826][ T6122] ? stack_trace_save+0x12d/0x1f0 [ 435.479816][ T6122] ? io_schedule+0x120/0x120 [ 435.484370][ T6122] ? kernfs_fop_write_iter+0x15e/0x410 [ 435.489795][ T6122] ? __kasan_check_write+0x14/0x20 [ 435.494899][ T6122] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 435.500160][ T6122] cgroup_subtree_control_write+0xd19/0x1310 [ 435.506108][ T6122] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 435.512062][ T6122] ? __kasan_check_write+0x14/0x20 [ 435.517139][ T6122] ? _copy_from_iter+0x3fb/0xd60 [ 435.522044][ T6122] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 435.527988][ T6122] cgroup_file_write+0x28e/0x590 [ 435.532890][ T6122] ? cgroup_seqfile_stop+0xc0/0xc0 [ 435.537970][ T6122] ? mutex_lock+0xa6/0x110 [ 435.542356][ T6122] ? mutex_trylock+0xb0/0xb0 [ 435.546931][ T6122] ? __kasan_check_write+0x14/0x20 [ 435.552017][ T6122] kernfs_fop_write_iter+0x2d0/0x410 [ 435.557389][ T6122] ? cgroup_seqfile_stop+0xc0/0xc0 [ 435.562924][ T6122] vfs_write+0xc1c/0xf40 [ 435.567155][ T6122] ? slab_free_freelist_hook+0xcc/0x1a0 [ 435.572688][ T6122] ? kernel_write+0x3c0/0x3c0 [ 435.577353][ T6122] ? do_sys_openat2+0x397/0x470 [ 435.582184][ T6122] ? __kasan_check_read+0x11/0x20 [ 435.587195][ T6122] ? __fdget_pos+0x27e/0x310 [ 435.591843][ T6122] ksys_write+0x198/0x2c0 [ 435.596157][ T6122] ? __ia32_sys_read+0x90/0x90 [ 435.600932][ T6122] ? debug_smp_processor_id+0x17/0x20 [ 435.606470][ T6122] __x64_sys_write+0x7b/0x90 [ 435.611046][ T6122] do_syscall_64+0x34/0x70 [ 435.615437][ T6122] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 435.621309][ T6122] RIP: 0033:0x7f777aae6c09 [ 435.625728][ T6122] 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 [ 435.645497][ T6122] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 435.653988][ T6122] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 435.662103][ T6122] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 435.670130][ T6122] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 435.678085][ T6122] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 435.686026][ T6122] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000008 [ 435.695135][ T6122] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 435.702562][ T6122] !!!! control_disable control_disable ss name cpu [ 435.709094][ T6122] !!!! control_disable control_disable ss name memory [ 435.715900][ T6122] !!!! control_disable control_disable ss name pids [ 435.722791][ T6122] !!!! control_disable kill_css(ffff888106986400) [ 435.729595][ T6122] !!!! control_disable control_disable ss name cpu [ 435.736136][ T6122] !!!! control_disable control_disable ss name memory [ 435.742929][ T6122] !!!! control_disable control_disable ss name pids [ 435.749518][ T6122] !!!! control_disable kill_css(ffff888106986800) [ 435.756069][ T6122] !!!! control_disable control_disable ss name cpu [ 435.762857][ C1] !!!! css_killed_ref_fn enqueue(ffff888106986400) [ 435.769462][ T6122] !!!! control_disable control_disable ss name memory [ 435.776236][ T6122] !!!! control_disable control_disable ss name pids [ 435.782936][ T6122] !!!! control_disable kill_css(ffff888106985400) [ 435.789440][ T6122] !!!! control_disable control_disable ss name cpu [ 435.796145][ C1] !!!! css_killed_ref_fn enqueue(ffff888106986800) [ 435.802751][ T6122] !!!! control_disable control_disable ss name memory [ 435.809485][ T6122] !!!! control_disable control_disable ss name cpu [ 435.816519][ T6122] !!!! control_disable control_disable ss name memory [ 435.823736][ C1] !!!! css_killed_ref_fn enqueue(ffff888106985400) [ 435.830572][ T6122] !!!! control_disable control_disable ss name cpu [ 435.837062][ T6122] !!!! control_disable control_disable ss name memory [ 435.843817][ T6122] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 435.850299][ T6122] !!!! control_disable control_disable ss name memory [ 435.857245][ T6122] !!!! control_disable control_disable ss name pids [ 435.864008][ T6122] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 435.870488][ T6075] !!!! css_killed_work_fn css_put(ffff888106986400) [ 435.877572][ T6075] !!!! css_killed_work_fn css_put(ffff888106986800) [ 435.884749][ T6075] !!!! css_killed_work_fn css_put(ffff888106985400) [ 435.891551][ T6126] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 435.891575][ T6124] !!!! css_create css ffff88810f236400 !!!! [ 435.904153][ T6124] !!!! css_create css ffff88810f236800 !!!! [ 435.910068][ T6124] FAULT_INJECTION: forcing a failure. [ 435.910068][ T6124] name failslab, interval 1, probability 0, space 0, times 0 [ 435.922794][ T6124] CPU: 0 PID: 6124 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 435.934491][ T6124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.944969][ T6124] Call Trace: [ 435.948236][ T6124] dump_stack_lvl+0x1e2/0x24b [ 435.952885][ T6124] ? panic+0x7d7/0x7d7 [ 435.956924][ T6124] ? bfq_pos_tree_add_move+0x43e/0x43e [ 435.962463][ T6124] dump_stack+0x15/0x17 [ 435.966586][ T6124] should_fail+0x3c0/0x510 [ 435.970970][ T6124] ? pids_css_alloc+0x4e/0x120 [ 435.975797][ T6124] __should_failslab+0x9f/0xe0 [ 435.980548][ T6124] should_failslab+0x9/0x20 [ 435.985021][ T6124] kmem_cache_alloc_trace+0x3a/0x330 [ 435.990280][ T6124] pids_css_alloc+0x4e/0x120 [ 435.995188][ T6124] cgroup_apply_control_enable+0x6d9/0x12e0 [ 436.001048][ T6124] cgroup_apply_control+0x93/0x710 [ 436.006136][ T6124] ? css_next_child+0x160/0x160 [ 436.010955][ T6124] ? stack_trace_save+0x12d/0x1f0 [ 436.015949][ T6124] ? io_schedule+0x120/0x120 [ 436.020513][ T6124] ? kernfs_fop_write_iter+0x15e/0x410 [ 436.025954][ T6124] ? __kasan_check_write+0x14/0x20 [ 436.031048][ T6124] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 436.036305][ T6124] cgroup_subtree_control_write+0xd19/0x1310 [ 436.042294][ T6124] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 436.048244][ T6124] ? __kasan_check_write+0x14/0x20 [ 436.053329][ T6124] ? _copy_from_iter+0x3fb/0xd60 [ 436.058337][ T6124] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 436.064312][ T6124] cgroup_file_write+0x28e/0x590 [ 436.069221][ T6124] ? cgroup_seqfile_stop+0xc0/0xc0 [ 436.074301][ T6124] ? mutex_lock+0xa6/0x110 [ 436.078694][ T6124] ? mutex_trylock+0xb0/0xb0 [ 436.083252][ T6124] ? __kasan_check_write+0x14/0x20 [ 436.088337][ T6124] kernfs_fop_write_iter+0x2d0/0x410 [ 436.093598][ T6124] ? cgroup_seqfile_stop+0xc0/0xc0 [ 436.098676][ T6124] vfs_write+0xc1c/0xf40 [ 436.102888][ T6124] ? slab_free_freelist_hook+0xcc/0x1a0 [ 436.108402][ T6124] ? kernel_write+0x3c0/0x3c0 [ 436.113044][ T6124] ? do_sys_openat2+0x397/0x470 [ 436.117862][ T6124] ? __kasan_check_read+0x11/0x20 [ 436.122858][ T6124] ? __fdget_pos+0x27e/0x310 [ 436.127423][ T6124] ksys_write+0x198/0x2c0 [ 436.131749][ T6124] ? __ia32_sys_read+0x90/0x90 [ 436.136480][ T6124] ? debug_smp_processor_id+0x17/0x20 [ 436.141819][ T6124] __x64_sys_write+0x7b/0x90 [ 436.146377][ T6124] do_syscall_64+0x34/0x70 [ 436.150764][ T6124] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 436.156639][ T6124] RIP: 0033:0x7f777aae6c09 [ 436.161026][ T6124] 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 [ 436.180705][ T6124] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 436.189114][ T6124] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 436.197070][ T6124] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 436.205036][ T6124] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 436.212995][ T6124] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 436.220945][ T6124] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 000000000000000a [ 436.229093][ T6124] !!!! css_create css fffffffffffffff4 !!!! [ 436.235086][ T6124] !!!! control_disable control_disable ss name cpu [ 436.241651][ T6124] !!!! control_disable control_disable ss name memory [ 436.248545][ T6124] !!!! control_disable control_disable ss name pids [ 436.255191][ T6124] !!!! control_disable kill_css(ffff88810f236400) [ 436.261771][ T6124] !!!! control_disable control_disable ss name cpu [ 436.268296][ T6124] !!!! control_disable control_disable ss name memory [ 436.275090][ T6124] !!!! control_disable control_disable ss name pids [ 436.281780][ T6124] !!!! control_disable kill_css(ffff88810f236800) [ 436.288319][ T6124] !!!! control_disable control_disable ss name cpu [ 436.294827][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f236400) [ 436.301626][ T6124] !!!! control_disable control_disable ss name memory [ 436.308366][ T6124] !!!! control_disable control_disable ss name cpu [ 436.314861][ T6124] !!!! control_disable control_disable ss name memory [ 436.321632][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f236800) [ 436.328209][ T6124] !!!! control_disable control_disable ss name cpu [ 436.334699][ T6124] !!!! control_disable control_disable ss name memory [ 436.341455][ T6124] !!!! control_disable control_disable ss name cpu [ 436.347934][ T6124] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 436.354691][ T6124] !!!! control_disable control_disable ss name cpu [ 436.361187][ T6124] !!!! control_disable control_disable ss name memory [ 436.368317][ T6124] !!!! control_disable control_disable ss name pids [ 436.374987][ T6124] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 436.375109][ T373] !!!! css_killed_work_fn css_put(ffff88810f236400) [ 436.388209][ T373] !!!! css_killed_work_fn css_put(ffff88810f236800) [ 436.395206][ T6128] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 436.395211][ T6127] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 436.395333][ T6127] !!!! css_create css ffff888110666800 !!!! [ 436.414392][ T6127] !!!! css_create css ffff888110664000 !!!! [ 436.420518][ T6127] !!!! css_create css ffff888110665400 !!!! [ 436.426434][ T6127] FAULT_INJECTION: forcing a failure. [ 436.426434][ T6127] name failslab, interval 1, probability 0, space 0, times 0 [ 436.439098][ T6127] CPU: 1 PID: 6127 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 436.450781][ T6127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 436.460819][ T6127] Call Trace: [ 436.464087][ T6127] dump_stack_lvl+0x1e2/0x24b [ 436.468823][ T6127] ? bfq_pos_tree_add_move+0x43e/0x43e [ 436.474265][ T6127] dump_stack+0x15/0x17 [ 436.478393][ T6127] should_fail+0x3c0/0x510 [ 436.482789][ T6127] ? __kernfs_new_node+0x99/0x6e0 [ 436.487790][ T6127] __should_failslab+0x9f/0xe0 [ 436.492527][ T6127] should_failslab+0x9/0x20 [ 436.497101][ T6127] __kmalloc_track_caller+0x5f/0x350 [ 436.502383][ T6127] kstrdup_const+0x55/0x90 [ 436.506771][ T6127] __kernfs_new_node+0x99/0x6e0 [ 436.511778][ T6127] ? stack_trace_save+0x1f0/0x1f0 [ 436.516863][ T6127] ? kernfs_new_node+0x170/0x170 [ 436.521875][ T6127] ? ptr_to_hashval+0x60/0x60 [ 436.526532][ T6127] ? snprintf+0xd6/0x120 [ 436.530875][ T6127] kernfs_new_node+0x97/0x170 [ 436.535547][ T6127] __kernfs_create_file+0x4a/0x270 [ 436.540639][ T6127] cgroup_addrm_files+0xab8/0xfe0 [ 436.545818][ T6127] ? cgroup_apply_control_enable+0x734/0x12e0 [ 436.552118][ T6127] ? cgroup_apply_control+0x93/0x710 [ 436.557373][ T6127] ? cgroup_subtree_control_write+0xd19/0x1310 [ 436.563587][ T6127] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 436.569708][ T6127] ? delete_node+0x759/0x7b0 [ 436.574290][ T6127] ? __kasan_check_read+0x11/0x20 [ 436.579305][ T6127] ? delete_node+0x759/0x7b0 [ 436.583897][ T6127] ? __kasan_check_write+0x14/0x20 [ 436.589069][ T6127] ? __radix_tree_replace+0x246/0x2e0 [ 436.594420][ T6127] ? idr_get_next+0x4b0/0x4b0 [ 436.599076][ T6127] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 436.604071][ T6127] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 436.609238][ T6127] css_populate_dir+0x137/0x370 [ 436.614061][ T6127] cgroup_apply_control_enable+0x629/0x12e0 [ 436.619921][ T6127] cgroup_apply_control+0x93/0x710 [ 436.624999][ T6127] ? css_next_child+0x160/0x160 [ 436.629817][ T6127] ? stack_trace_save+0x12d/0x1f0 [ 436.634815][ T6127] ? io_schedule+0x120/0x120 [ 436.639376][ T6127] ? kernfs_fop_write_iter+0x15e/0x410 [ 436.644806][ T6127] ? __kasan_check_write+0x14/0x20 [ 436.649893][ T6127] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 436.655146][ T6127] cgroup_subtree_control_write+0xd19/0x1310 [ 436.661105][ T6127] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 436.667052][ T6127] ? __kasan_check_write+0x14/0x20 [ 436.672141][ T6127] ? _copy_from_iter+0x3fb/0xd60 [ 436.677055][ T6127] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 436.683355][ T6127] cgroup_file_write+0x28e/0x590 [ 436.688279][ T6127] ? cgroup_seqfile_stop+0xc0/0xc0 [ 436.693369][ T6127] ? mutex_lock+0xa6/0x110 [ 436.697754][ T6127] ? mutex_trylock+0xb0/0xb0 [ 436.702314][ T6127] ? __kasan_check_write+0x14/0x20 [ 436.707404][ T6127] kernfs_fop_write_iter+0x2d0/0x410 [ 436.712670][ T6127] ? cgroup_seqfile_stop+0xc0/0xc0 [ 436.717753][ T6127] vfs_write+0xc1c/0xf40 [ 436.721981][ T6127] ? slab_free_freelist_hook+0xcc/0x1a0 [ 436.727505][ T6127] ? kernel_write+0x3c0/0x3c0 [ 436.732253][ T6127] ? do_sys_openat2+0x397/0x470 [ 436.737075][ T6127] ? __kasan_check_read+0x11/0x20 [ 436.742067][ T6127] ? __fdget_pos+0x27e/0x310 [ 436.746631][ T6127] ksys_write+0x198/0x2c0 [ 436.750927][ T6127] ? __ia32_sys_read+0x90/0x90 [ 436.755658][ T6127] ? debug_smp_processor_id+0x17/0x20 [ 436.760999][ T6127] __x64_sys_write+0x7b/0x90 [ 436.765559][ T6127] do_syscall_64+0x34/0x70 [ 436.769955][ T6127] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 436.775817][ T6127] RIP: 0033:0x7f777aae6c09 [ 436.780207][ T6127] 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 [ 436.799779][ T6127] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 436.808170][ T6127] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 436.816121][ T6127] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 436.824062][ T6127] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 436.832093][ T6127] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 436.840044][ T6127] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000008 [ 436.848150][ T6127] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 436.855201][ T6127] !!!! control_disable control_disable ss name cpu [ 436.861704][ T6127] !!!! control_disable control_disable ss name memory [ 436.868453][ T6127] !!!! control_disable control_disable ss name pids [ 436.875124][ T6127] !!!! control_disable kill_css(ffff888110666800) [ 436.881688][ T6127] !!!! control_disable control_disable ss name cpu [ 436.888156][ T6127] !!!! control_disable control_disable ss name memory [ 436.894942][ T6127] !!!! control_disable control_disable ss name pids [ 436.901600][ T6127] !!!! control_disable kill_css(ffff888110664000) [ 436.908141][ T6127] !!!! control_disable control_disable ss name cpu [ 436.914763][ T6127] !!!! control_disable control_disable ss name memory [ 436.921561][ T6127] !!!! control_disable control_disable ss name pids [ 436.921681][ C1] !!!! css_killed_ref_fn enqueue(ffff888110666800) [ 436.928200][ T6127] !!!! control_disable kill_css(ffff888110665400) [ 436.941225][ T6127] !!!! control_disable control_disable ss name cpu [ 436.947729][ C0] !!!! css_killed_ref_fn enqueue(ffff888110664000) [ 436.954345][ T6127] !!!! control_disable control_disable ss name memory [ 436.961079][ T6127] !!!! control_disable control_disable ss name cpu [ 436.967573][ T6127] !!!! control_disable control_disable ss name memory [ 436.974330][ C0] !!!! css_killed_ref_fn enqueue(ffff888110665400) [ 436.980901][ T6127] !!!! control_disable control_disable ss name cpu [ 436.987387][ T6127] !!!! control_disable control_disable ss name memory [ 436.994142][ T6127] !!!! control_disable control_disable ss name cpu [ 437.000612][ T6127] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 437.007370][ T6127] !!!! control_disable control_disable ss name pids [ 437.013985][ T6127] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 437.014250][ T6075] !!!! css_killed_work_fn css_put(ffff888110666800) [ 437.027222][ T373] !!!! css_killed_work_fn css_put(ffff888110664000) [ 437.033993][ T373] !!!! css_killed_work_fn css_put(ffff888110665400) [ 437.040715][ T6128] !!!! css_create css ffff8881183ea800 !!!! [ 437.046736][ T6128] !!!! css_create css ffff888118437c00 !!!! [ 437.052676][ T6128] !!!! css_create css ffff888118436000 !!!! [ 437.058659][ T6128] FAULT_INJECTION: forcing a failure. [ 437.058659][ T6128] name failslab, interval 1, probability 0, space 0, times 0 [ 437.071296][ T6128] CPU: 1 PID: 6128 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 437.082995][ T6128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.093034][ T6128] Call Trace: [ 437.096309][ T6128] dump_stack_lvl+0x1e2/0x24b [ 437.100954][ T6128] ? bfq_pos_tree_add_move+0x43e/0x43e [ 437.106380][ T6128] dump_stack+0x15/0x17 [ 437.110504][ T6128] should_fail+0x3c0/0x510 [ 437.114889][ T6128] ? __kernfs_new_node+0x99/0x6e0 [ 437.119879][ T6128] __should_failslab+0x9f/0xe0 [ 437.124612][ T6128] should_failslab+0x9/0x20 [ 437.129093][ T6128] __kmalloc_track_caller+0x5f/0x350 [ 437.134346][ T6128] kstrdup_const+0x55/0x90 [ 437.138730][ T6128] __kernfs_new_node+0x99/0x6e0 [ 437.143552][ T6128] ? stack_trace_save+0x1f0/0x1f0 [ 437.148544][ T6128] ? kernfs_new_node+0x170/0x170 [ 437.153460][ T6128] ? ptr_to_hashval+0x60/0x60 [ 437.158109][ T6128] ? snprintf+0xd6/0x120 [ 437.162318][ T6128] kernfs_new_node+0x97/0x170 [ 437.166991][ T6128] __kernfs_create_file+0x4a/0x270 [ 437.172180][ T6128] cgroup_addrm_files+0xab8/0xfe0 [ 437.177171][ T6128] ? cgroup_apply_control_enable+0x734/0x12e0 [ 437.183335][ T6128] ? cgroup_apply_control+0x93/0x710 [ 437.188586][ T6128] ? cgroup_subtree_control_write+0xd19/0x1310 [ 437.194718][ T6128] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 437.200839][ T6128] ? delete_node+0x759/0x7b0 [ 437.205396][ T6128] ? __kasan_check_read+0x11/0x20 [ 437.210387][ T6128] ? delete_node+0x759/0x7b0 [ 437.214962][ T6128] ? __kasan_check_write+0x14/0x20 [ 437.220059][ T6128] ? __radix_tree_replace+0x246/0x2e0 [ 437.225469][ T6128] ? idr_get_next+0x4b0/0x4b0 [ 437.230123][ T6128] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 437.235118][ T6128] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 437.240423][ T6128] css_populate_dir+0x137/0x370 [ 437.245259][ T6128] cgroup_apply_control_enable+0x629/0x12e0 [ 437.251130][ T6128] cgroup_apply_control+0x93/0x710 [ 437.256214][ T6128] ? css_next_child+0x160/0x160 [ 437.261131][ T6128] ? stack_trace_save+0x12d/0x1f0 [ 437.266133][ T6128] ? io_schedule+0x120/0x120 [ 437.270693][ T6128] ? kernfs_fop_write_iter+0x15e/0x410 [ 437.276123][ T6128] ? __kasan_check_write+0x14/0x20 [ 437.281209][ T6128] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 437.286638][ T6128] cgroup_subtree_control_write+0xd19/0x1310 [ 437.292589][ T6128] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 437.298539][ T6128] ? __kasan_check_write+0x14/0x20 [ 437.303623][ T6128] ? _copy_from_iter+0x3fb/0xd60 [ 437.308526][ T6128] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 437.314476][ T6128] cgroup_file_write+0x28e/0x590 [ 437.319384][ T6128] ? cgroup_seqfile_stop+0xc0/0xc0 [ 437.324463][ T6128] ? mutex_lock+0xa6/0x110 [ 437.328845][ T6128] ? mutex_trylock+0xb0/0xb0 [ 437.333424][ T6128] ? __kasan_check_write+0x14/0x20 [ 437.338502][ T6128] kernfs_fop_write_iter+0x2d0/0x410 [ 437.343755][ T6128] ? cgroup_seqfile_stop+0xc0/0xc0 [ 437.348835][ T6128] vfs_write+0xc1c/0xf40 [ 437.353047][ T6128] ? slab_free_freelist_hook+0xcc/0x1a0 [ 437.358559][ T6128] ? kernel_write+0x3c0/0x3c0 [ 437.363205][ T6128] ? do_sys_openat2+0x397/0x470 [ 437.368026][ T6128] ? __kasan_check_read+0x11/0x20 [ 437.373024][ T6128] ? __fdget_pos+0x27e/0x310 [ 437.377588][ T6128] ksys_write+0x198/0x2c0 [ 437.381893][ T6128] ? __ia32_sys_read+0x90/0x90 [ 437.386642][ T6128] ? debug_smp_processor_id+0x17/0x20 [ 437.391989][ T6128] __x64_sys_write+0x7b/0x90 [ 437.396818][ T6128] do_syscall_64+0x34/0x70 [ 437.401732][ T6128] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 437.407623][ T6128] RIP: 0033:0x7f777aae6c09 [ 437.412024][ T6128] 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 [ 437.431796][ T6128] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 437.440282][ T6128] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 437.449017][ T6128] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 437.457146][ T6128] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 437.465276][ T6128] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 437.473596][ T6128] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000009 [ 437.481925][ T6128] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 437.489037][ T6128] !!!! control_disable control_disable ss name cpu [ 437.495663][ T6128] !!!! control_disable control_disable ss name memory [ 437.502673][ T6128] !!!! control_disable control_disable ss name pids [ 437.509306][ T6128] !!!! control_disable kill_css(ffff8881183ea800) [ 437.515889][ T6128] !!!! control_disable control_disable ss name cpu [ 437.522445][ T6128] !!!! control_disable control_disable ss name memory [ 437.529216][ T6128] !!!! control_disable control_disable ss name pids [ 437.535834][ T6128] !!!! control_disable kill_css(ffff888118437c00) [ 437.542338][ C1] !!!! css_killed_ref_fn enqueue(ffff8881183ea800) [ 437.548948][ T6128] !!!! control_disable control_disable ss name cpu [ 437.555473][ T6128] !!!! control_disable control_disable ss name memory [ 437.562329][ T6128] !!!! control_disable control_disable ss name pids [ 437.568924][ T6128] !!!! control_disable kill_css(ffff888118436000) [ 437.575597][ T6128] !!!! control_disable control_disable ss name cpu [ 437.582399][ T6128] !!!! control_disable control_disable ss name memory [ 437.582583][ C1] !!!! css_killed_ref_fn enqueue(ffff888118437c00) [ 437.589331][ T6128] !!!! control_disable control_disable ss name cpu [ 437.596112][ C1] !!!! css_killed_ref_fn enqueue(ffff888118436000) write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 437.602578][ T6128] !!!! control_disable control_disable ss name memory [ 437.602584][ T6128] !!!! control_disable control_disable ss name cpu [ 437.602599][ T6128] !!!! control_disable control_disable ss name memory [ 437.629176][ T6128] !!!! control_disable control_disable ss name cpu [ 437.635678][ T6128] !!!! control_disable control_disable ss name memory [ 437.642443][ T6128] !!!! control_disable control_disable ss name pids [ 437.649045][ T6128] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 437.649291][ T6075] !!!! css_killed_work_fn css_put(ffff8881183ea800) [ 437.662347][ T6075] !!!! css_killed_work_fn css_put(ffff888118437c00) [ 437.669063][ T6075] !!!! css_killed_work_fn css_put(ffff888118436000) [ 437.676023][ T6129] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 437.676178][ T6131] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 437.682669][ T6125] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 437.689343][ T6131] !!!! css_create css ffff88810f06cc00 !!!! [ 437.701715][ T6131] !!!! css_create css ffff88810f06d400 !!!! [ 437.707613][ T6131] !!!! css_create css ffff88810f06d000 !!!! [ 437.713648][ T6131] FAULT_INJECTION: forcing a failure. [ 437.713648][ T6131] name failslab, interval 1, probability 0, space 0, times 0 [ 437.726336][ T6131] CPU: 1 PID: 6131 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 437.738026][ T6131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.748095][ T6131] Call Trace: [ 437.751381][ T6131] dump_stack_lvl+0x1e2/0x24b [ 437.756049][ T6131] ? bfq_pos_tree_add_move+0x43e/0x43e [ 437.761480][ T6131] dump_stack+0x15/0x17 [ 437.765605][ T6131] should_fail+0x3c0/0x510 [ 437.769989][ T6131] ? __kernfs_new_node+0x99/0x6e0 [ 437.774983][ T6131] __should_failslab+0x9f/0xe0 [ 437.779712][ T6131] should_failslab+0x9/0x20 [ 437.784179][ T6131] __kmalloc_track_caller+0x5f/0x350 [ 437.789427][ T6131] kstrdup_const+0x55/0x90 [ 437.793807][ T6131] __kernfs_new_node+0x99/0x6e0 [ 437.798624][ T6131] ? stack_trace_save+0x1f0/0x1f0 [ 437.803645][ T6131] ? kernfs_new_node+0x170/0x170 [ 437.808565][ T6131] ? ptr_to_hashval+0x60/0x60 [ 437.813455][ T6131] ? snprintf+0xd6/0x120 [ 437.817676][ T6131] kernfs_new_node+0x97/0x170 [ 437.822327][ T6131] __kernfs_create_file+0x4a/0x270 [ 437.827490][ T6131] cgroup_addrm_files+0xab8/0xfe0 [ 437.832479][ T6131] ? cgroup_apply_control_enable+0x734/0x12e0 [ 437.838859][ T6131] ? cgroup_apply_control+0x93/0x710 [ 437.844109][ T6131] ? cgroup_subtree_control_write+0xd19/0x1310 [ 437.850238][ T6131] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 437.856361][ T6131] ? delete_node+0x759/0x7b0 [ 437.860921][ T6131] ? __kasan_check_read+0x11/0x20 [ 437.865909][ T6131] ? delete_node+0x759/0x7b0 [ 437.870473][ T6131] ? __kasan_check_write+0x14/0x20 [ 437.875555][ T6131] ? __radix_tree_replace+0x246/0x2e0 [ 437.881000][ T6131] ? idr_get_next+0x4b0/0x4b0 [ 437.885737][ T6131] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 437.890728][ T6131] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 437.895910][ T6131] css_populate_dir+0x137/0x370 [ 437.900728][ T6131] cgroup_apply_control_enable+0x629/0x12e0 [ 437.906590][ T6131] cgroup_apply_control+0x93/0x710 [ 437.911668][ T6131] ? css_next_child+0x160/0x160 [ 437.916570][ T6131] ? stack_trace_save+0x12d/0x1f0 [ 437.921572][ T6131] ? io_schedule+0x120/0x120 [ 437.926130][ T6131] ? kernfs_fop_write_iter+0x15e/0x410 [ 437.931553][ T6131] ? __kasan_check_write+0x14/0x20 [ 437.936636][ T6131] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 437.941896][ T6131] cgroup_subtree_control_write+0xd19/0x1310 [ 437.947846][ T6131] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 437.953789][ T6131] ? __kasan_check_write+0x14/0x20 [ 437.958864][ T6131] ? _copy_from_iter+0x3fb/0xd60 [ 437.963767][ T6131] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 437.969710][ T6131] cgroup_file_write+0x28e/0x590 [ 437.974612][ T6131] ? cgroup_seqfile_stop+0xc0/0xc0 [ 437.979687][ T6131] ? mutex_lock+0xa6/0x110 [ 437.984069][ T6131] ? mutex_trylock+0xb0/0xb0 [ 437.988623][ T6131] ? __kasan_check_write+0x14/0x20 [ 437.993704][ T6131] kernfs_fop_write_iter+0x2d0/0x410 [ 437.998965][ T6131] ? cgroup_seqfile_stop+0xc0/0xc0 [ 438.004052][ T6131] vfs_write+0xc1c/0xf40 [ 438.008267][ T6131] ? slab_free_freelist_hook+0xcc/0x1a0 [ 438.013788][ T6131] ? kernel_write+0x3c0/0x3c0 [ 438.018449][ T6131] ? do_sys_openat2+0x397/0x470 [ 438.023272][ T6131] ? __kasan_check_read+0x11/0x20 [ 438.028270][ T6131] ? __fdget_pos+0x27e/0x310 [ 438.032833][ T6131] ksys_write+0x198/0x2c0 [ 438.037138][ T6131] ? __ia32_sys_read+0x90/0x90 [ 438.041878][ T6131] ? debug_smp_processor_id+0x17/0x20 [ 438.047225][ T6131] __x64_sys_write+0x7b/0x90 [ 438.051789][ T6131] do_syscall_64+0x34/0x70 [ 438.056180][ T6131] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 438.062045][ T6131] RIP: 0033:0x7f777aae6c09 [ 438.066438][ T6131] 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 [ 438.086016][ T6131] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 438.094405][ T6131] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 438.102352][ T6131] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 438.110300][ T6131] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 438.118246][ T6131] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 438.126193][ T6131] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 000000000000000a [ 438.134385][ T6131] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 438.141472][ T6131] !!!! control_disable control_disable ss name cpu [ 438.147962][ T6131] !!!! control_disable control_disable ss name memory [ 438.154819][ T6131] !!!! control_disable control_disable ss name pids [ 438.161543][ T6131] !!!! control_disable kill_css(ffff88810f06cc00) [ 438.168299][ T6131] !!!! control_disable control_disable ss name cpu [ 438.174923][ T6131] !!!! control_disable control_disable ss name memory [ 438.181728][ T6131] !!!! control_disable control_disable ss name pids [ 438.188292][ T6131] !!!! control_disable kill_css(ffff88810f06d400) [ 438.194777][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f06cc00) [ 438.201400][ T6131] !!!! control_disable control_disable ss name cpu [ 438.207869][ T6131] !!!! control_disable control_disable ss name memory [ 438.214706][ T6131] !!!! control_disable control_disable ss name pids [ 438.221268][ T6131] !!!! control_disable kill_css(ffff88810f06d000) [ 438.227785][ T6131] !!!! control_disable control_disable ss name cpu [ 438.234327][ T6131] !!!! control_disable control_disable ss name memory [ 438.241055][ T6131] !!!! control_disable control_disable ss name cpu [ 438.247537][ T6131] !!!! control_disable control_disable ss name memory [ 438.254298][ T6131] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 438.260772][ T6131] !!!! control_disable control_disable ss name memory [ 438.267514][ T6131] !!!! control_disable control_disable ss name cpu [ 438.274000][ T6131] !!!! control_disable control_disable ss name memory [ 438.280744][ T6131] !!!! control_disable control_disable ss name pids [ 438.287423][ T6131] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 438.293934][ T373] !!!! css_killed_work_fn css_put(ffff88810f06cc00) [ 438.311337][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f06d400) [ 438.317953][ T373] !!!! css_killed_work_fn css_put(ffff88810f06d400) [ 438.324625][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f06d000) [ 438.331260][ T373] !!!! css_killed_work_fn css_put(ffff88810f06d000) [ 438.337976][ T6126] !!!! css_create css ffff888116165c00 !!!! [ 438.343907][ T6126] !!!! css_create css ffff888116166c00 !!!! [ 438.349792][ T6126] !!!! css_create css ffff888116165000 !!!! [ 438.355690][ T6126] FAULT_INJECTION: forcing a failure. [ 438.355690][ T6126] name failslab, interval 1, probability 0, space 0, times 0 [ 438.368270][ T6126] CPU: 0 PID: 6126 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 438.379946][ T6126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 438.389969][ T6126] Call Trace: [ 438.393232][ T6126] dump_stack_lvl+0x1e2/0x24b [ 438.397886][ T6126] ? bfq_pos_tree_add_move+0x43e/0x43e [ 438.403322][ T6126] ? find_next_bit+0xd6/0x120 [ 438.407972][ T6126] ? cpumask_next+0x11/0x30 [ 438.412450][ T6126] dump_stack+0x15/0x17 [ 438.416572][ T6126] should_fail+0x3c0/0x510 [ 438.421138][ T6126] ? percpu_ref_init+0xd0/0x330 [ 438.425957][ T6126] __should_failslab+0x9f/0xe0 [ 438.430690][ T6126] should_failslab+0x9/0x20 [ 438.435168][ T6126] kmem_cache_alloc_trace+0x3a/0x330 [ 438.440420][ T6126] percpu_ref_init+0xd0/0x330 [ 438.445073][ T6126] ? cgroup_setup_root+0xea0/0xea0 [ 438.450239][ T6126] cgroup_apply_control_enable+0x734/0x12e0 [ 438.456108][ T6126] cgroup_apply_control+0x93/0x710 [ 438.461198][ T6126] ? css_next_child+0x160/0x160 [ 438.466026][ T6126] ? stack_trace_save+0x12d/0x1f0 [ 438.471022][ T6126] ? io_schedule+0x120/0x120 [ 438.475594][ T6126] ? kernfs_fop_write_iter+0x15e/0x410 [ 438.481021][ T6126] ? __kasan_check_write+0x14/0x20 [ 438.486102][ T6126] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 438.491355][ T6126] cgroup_subtree_control_write+0xd19/0x1310 [ 438.497316][ T6126] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 438.503273][ T6126] ? __kasan_check_write+0x14/0x20 [ 438.508351][ T6126] ? _copy_from_iter+0x3fb/0xd60 [ 438.513257][ T6126] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 438.519206][ T6126] cgroup_file_write+0x28e/0x590 [ 438.524108][ T6126] ? cgroup_seqfile_stop+0xc0/0xc0 [ 438.529187][ T6126] ? mutex_lock+0xa6/0x110 [ 438.533572][ T6126] ? mutex_trylock+0xb0/0xb0 [ 438.538130][ T6126] ? __kasan_check_write+0x14/0x20 [ 438.543216][ T6126] kernfs_fop_write_iter+0x2d0/0x410 [ 438.553075][ T6126] ? cgroup_seqfile_stop+0xc0/0xc0 [ 438.558178][ T6126] vfs_write+0xc1c/0xf40 [ 438.562412][ T6126] ? slab_free_freelist_hook+0xcc/0x1a0 [ 438.567951][ T6126] ? kernel_write+0x3c0/0x3c0 [ 438.572607][ T6126] ? do_sys_openat2+0x397/0x470 [ 438.577519][ T6126] ? __kasan_check_read+0x11/0x20 [ 438.582517][ T6126] ? __fdget_pos+0x27e/0x310 [ 438.587080][ T6126] ksys_write+0x198/0x2c0 [ 438.591381][ T6126] ? __ia32_sys_read+0x90/0x90 [ 438.596117][ T6126] ? debug_smp_processor_id+0x17/0x20 [ 438.601645][ T6126] __x64_sys_write+0x7b/0x90 [ 438.606205][ T6126] do_syscall_64+0x34/0x70 [ 438.610594][ T6126] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 438.616454][ T6126] RIP: 0033:0x7f777aae6c09 [ 438.620852][ T6126] 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 [ 438.640428][ T6126] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 438.648818][ T6126] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 438.656766][ T6126] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 438.664893][ T6126] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 438.672835][ T6126] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 438.680777][ T6126] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000009 [ 438.688866][ T6126] !!!! css_create rcu_enqueue(ffff888116165000) !!!! [ 438.695551][ T6126] !!!! control_disable control_disable ss name cpu [ 438.702077][ T6126] !!!! control_disable control_disable ss name memory [ 438.708876][ T6126] !!!! control_disable control_disable ss name pids [ 438.715470][ T6126] !!!! control_disable kill_css(ffff888116165c00) [ 438.721993][ T6126] !!!! control_disable control_disable ss name cpu [ 438.728472][ T6126] !!!! control_disable control_disable ss name memory [ 438.735303][ T6126] !!!! control_disable control_disable ss name pids [ 438.741878][ T6126] !!!! control_disable kill_css(ffff888116166c00) [ 438.748379][ T6126] !!!! control_disable control_disable ss name cpu [ 438.754866][ T6126] !!!! control_disable control_disable ss name memory [ 438.761609][ T6126] !!!! control_disable control_disable ss name cpu [ 438.768093][ T6126] !!!! control_disable control_disable ss name memory [ 438.774855][ T6126] !!!! control_disable control_disable ss name cpu [ 438.781354][ T6126] !!!! control_disable control_disable ss name memory [ 438.788087][ T6126] !!!! control_disable control_disable ss name cpu [ 438.794759][ T6126] !!!! control_disable control_disable ss name memory [ 438.801517][ T6126] !!!! control_disable control_disable ss name cpu [ 438.807983][ T6126] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 438.814728][ T6126] !!!! control_disable control_disable ss name pids [ 438.821334][ T6126] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 438.861328][ C0] !!!! css_killed_ref_fn enqueue(ffff888116165c00) [ 438.867986][ C0] !!!! css_killed_ref_fn enqueue(ffff888116166c00) [ 438.874612][ T373] !!!! css_killed_work_fn css_put(ffff888116165c00) [ 438.881546][ T373] !!!! css_killed_work_fn css_put(ffff888116166c00) [ 438.888244][ T6125] !!!! css_create css ffff88811552d000 !!!! [ 438.894371][ T6125] !!!! css_create css ffff88811552d800 !!!! [ 438.900305][ T6125] !!!! css_create css ffff88811552f400 !!!! [ 438.906259][ T6125] FAULT_INJECTION: forcing a failure. [ 438.906259][ T6125] name failslab, interval 1, probability 0, space 0, times 0 [ 438.919020][ T6125] CPU: 0 PID: 6125 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 438.930981][ T6125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 438.941028][ T6125] Call Trace: [ 438.944302][ T6125] dump_stack_lvl+0x1e2/0x24b [ 438.948953][ T6125] ? bfq_pos_tree_add_move+0x43e/0x43e [ 438.954383][ T6125] ? find_next_bit+0xd6/0x120 [ 438.959029][ T6125] ? cpumask_next+0x11/0x30 [ 438.963542][ T6125] dump_stack+0x15/0x17 [ 438.967696][ T6125] should_fail+0x3c0/0x510 [ 438.972115][ T6125] ? percpu_ref_init+0xd0/0x330 [ 438.976949][ T6125] __should_failslab+0x9f/0xe0 [ 438.981873][ T6125] should_failslab+0x9/0x20 [ 438.986442][ T6125] kmem_cache_alloc_trace+0x3a/0x330 [ 438.991803][ T6125] percpu_ref_init+0xd0/0x330 [ 438.996474][ T6125] ? cgroup_setup_root+0xea0/0xea0 [ 439.001572][ T6125] cgroup_apply_control_enable+0x734/0x12e0 [ 439.007445][ T6125] cgroup_apply_control+0x93/0x710 [ 439.012539][ T6125] ? css_next_child+0x160/0x160 [ 439.017362][ T6125] ? stack_trace_save+0x12d/0x1f0 [ 439.022359][ T6125] ? io_schedule+0x120/0x120 [ 439.026919][ T6125] ? kernfs_fop_write_iter+0x15e/0x410 [ 439.032350][ T6125] ? __kasan_check_write+0x14/0x20 [ 439.037428][ T6125] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 439.042687][ T6125] cgroup_subtree_control_write+0xd19/0x1310 [ 439.048651][ T6125] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 439.054600][ T6125] ? __kasan_check_write+0x14/0x20 [ 439.059679][ T6125] ? _copy_from_iter+0x3fb/0xd60 [ 439.064588][ T6125] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 439.070568][ T6125] cgroup_file_write+0x28e/0x590 [ 439.075494][ T6125] ? cgroup_seqfile_stop+0xc0/0xc0 [ 439.080583][ T6125] ? mutex_lock+0xa6/0x110 [ 439.084978][ T6125] ? mutex_trylock+0xb0/0xb0 [ 439.089543][ T6125] ? __kasan_check_write+0x14/0x20 [ 439.094624][ T6125] kernfs_fop_write_iter+0x2d0/0x410 [ 439.099973][ T6125] ? cgroup_seqfile_stop+0xc0/0xc0 [ 439.105075][ T6125] vfs_write+0xc1c/0xf40 [ 439.109300][ T6125] ? slab_free_freelist_hook+0xcc/0x1a0 [ 439.114823][ T6125] ? kernel_write+0x3c0/0x3c0 [ 439.119473][ T6125] ? do_sys_openat2+0x397/0x470 [ 439.124332][ T6125] ? __kasan_check_read+0x11/0x20 [ 439.129356][ T6125] ? __fdget_pos+0x27e/0x310 [ 439.133919][ T6125] ksys_write+0x198/0x2c0 [ 439.138316][ T6125] ? __ia32_sys_read+0x90/0x90 [ 439.143052][ T6125] ? debug_smp_processor_id+0x17/0x20 [ 439.148395][ T6125] __x64_sys_write+0x7b/0x90 [ 439.153263][ T6125] do_syscall_64+0x34/0x70 [ 439.157659][ T6125] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 439.163519][ T6125] RIP: 0033:0x7f777aae6c09 [ 439.167905][ T6125] 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 [ 439.187576][ T6125] RSP: 002b:00007ffc59e33f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 439.196295][ T6125] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f777aae6c09 [ 439.204353][ T6125] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 439.212355][ T6125] RBP: 00007ffc59e33f50 R08: 0000000000000002 R09: 00007ffc59e33f60 [ 439.220443][ T6125] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 439.228429][ T6125] R13: 00007ffc59e33f70 R14: 00007ffc59e33fb0 R15: 0000000000000008 [ 439.236503][ T6125] !!!! css_create rcu_enqueue(ffff88811552f400) !!!! [ 439.243283][ T6125] !!!! control_disable control_disable ss name cpu [ 439.249819][ T6125] !!!! control_disable control_disable ss name memory [ 439.256642][ T6125] !!!! control_disable control_disable ss name pids [ 439.263287][ T6125] !!!! control_disable kill_css(ffff88811552d000) [ 439.269831][ T6125] !!!! control_disable control_disable ss name cpu [ 439.276382][ T6125] !!!! control_disable control_disable ss name memory [ 439.283219][ T6125] !!!! control_disable control_disable ss name pids [ 439.289825][ T6125] !!!! control_disable kill_css(ffff88811552d800) [ 439.296402][ T6125] !!!! control_disable control_disable ss name cpu [ 439.303031][ C1] !!!! css_killed_ref_fn enqueue(ffff88811552d000) [ 439.309632][ T6125] !!!! control_disable control_disable ss name memory [ 439.316791][ T6125] !!!! control_disable control_disable ss name cpu [ 439.323395][ T6125] !!!! control_disable control_disable ss name memory [ 439.330213][ T6125] !!!! control_disable control_disable ss name cpu [ 439.336704][ T6125] !!!! control_disable control_disable ss name memory [ 439.343452][ T6125] !!!! control_disable control_disable ss name cpu [ 439.349918][ T6125] !!!! control_disable control_disable ss name memory [ 439.356686][ T6125] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 439.363263][ T6125] !!!! control_disable control_disable ss name memory [ 439.370059][ T6125] !!!! control_disable control_disable ss name pids [ 439.376897][ T6125] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 439.383770][ T6075] !!!! css_killed_work_fn css_put(ffff88811552d000) [ 439.390969][ C1] !!!! css_killed_ref_fn enqueue(ffff88811552d800) [ 439.397714][ C1] !!!! css_release enqueue(ffff88811552d800) [ 439.403811][ T6075] !!!! css_release_work_fn(ffff88811552d800) [ 439.404106][ T6050] ------------[ cut here ]------------ [ 439.409907][ T6075] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 439.415373][ T6050] WARNING: CPU: 0 PID: 6050 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 439.427016][ T6075] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 439.427027][ T6075] CPU: 1 PID: 6075 Comm: kworker/1:13 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 439.427039][ T6075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.436123][ T6050] Modules linked in: [ 439.444499][ T6075] Workqueue: 0x0 (cgroup_destroy) [ 439.455927][ T6050] [ 439.465944][ T6075] [ 439.465954][ T6075] RIP: 0010:process_one_work+0xbc/0xc10 [ 439.465967][ T6075] Code: df e8 08 de 5f 00 4c 89 7d b8 4c 8b 2b 49 8d 5c 24 08 48 89 d9 48 c1 e9 03 48 b8 00 00 00 00 00 fc ff df 48 89 8d 70 ff ff ff <80> 3c 01 00 74 08 48 89 df e8 d6 dd 5f 00 41 bf 00 01 00 00 48 89 [ 439.469837][ T6050] CPU: 0 PID: 6050 Comm: syz-executor151 Tainted: G W 5.10.110-syzkaller-00174-gea8f0b70badf #0 [ 439.474910][ T6075] RSP: 0018:ffffc90000d07d28 EFLAGS: 00010002 [ 439.474918][ T6075] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: 0000000000000001 [ 439.474928][ T6075] RDX: ffff8881172e3b40 RSI: 0000000000000000 RDI: 0000000000000000 [ 439.477330][ T6050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.479625][ T6075] RBP: ffffc90000d07dc0 R08: ffffffff8146a1bb R09: ffffed1022aa5b0e [ 439.485405][ T6050] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 439.505056][ T6075] R10: ffffed1022aa5b0e R11: 1ffff11022aa5b0d R12: 0000000000000000 [ 439.505062][ T6075] R13: ffff8881f7355700 R14: dffffc0000000000 R15: ffff88811e3b4900 [ 439.505074][ T6075] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 439.516940][ T6050] Code: 48 c7 c2 40 06 04 86 e8 b4 f3 8e ff e9 8b fc ff ff e8 da 2d b6 ff e9 81 fc ff ff e8 d0 2d b6 ff e9 77 fc ff ff e8 c6 2d b6 ff <0f> 0b e9 f4 fc ff ff e8 ba 2d b6 ff e8 b5 b8 a2 ff e9 ea fc ff ff [ 439.522967][ T6075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 439.522973][ T6075] CR2: 00007ffc59e33f08 CR3: 0000000105d93000 CR4: 00000000003506a0 [ 439.522983][ T6075] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 439.530926][ T6050] RSP: 0018:ffffc90001017ca0 EFLAGS: 00010293 [ 439.538861][ T6075] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 439.538864][ T6075] Call Trace: [ 439.538877][ T6075] worker_thread+0xb27/0x1550 [ 439.549338][ T6050] [ 439.557279][ T6075] kthread+0x349/0x3d0 [ 439.557291][ T6075] ? worker_clr_flags+0x180/0x180 [ 439.562892][ T6050] RAX: ffffffff81b68bfa RBX: 00000000ffffffff RCX: ffff888122e293c0 [ 439.570836][ T6075] ? kthread_blkcg+0xd0/0xd0 [ 439.578871][ T6050] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 439.587782][ T6075] ret_from_fork+0x1f/0x30 [ 439.587789][ T6075] Modules linked in: [ 439.587809][ T6075] ---[ end trace 4ba3e93e7aefdc16 ]--- [ 439.608880][ T6050] RBP: ffffc90001017d70 R08: ffffffff81b688e8 R09: 0000000000000003 [ 439.615438][ T6075] RIP: 0010:process_one_work+0xbc/0xc10 [ 439.615451][ T6075] Code: df e8 08 de 5f 00 4c 89 7d b8 4c 8b 2b 49 8d 5c 24 08 48 89 d9 48 c1 e9 03 48 b8 00 00 00 00 00 fc ff df 48 89 8d 70 ff ff ff <80> 3c 01 00 74 08 48 89 df e8 d6 dd 5f 00 41 bf 00 01 00 00 48 89 [ 439.623396][ T6050] R10: fffff52000202f85 R11: 1ffff92000202f84 R12: dffffc0000000000 [ 439.631331][ T6075] RSP: 0018:ffffc90000d07d28 EFLAGS: 00010002 [ 439.631347][ T6075] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: 0000000000000001 [ 439.637381][ T6050] R13: ffff88811393a8c0 R14: ffffc90001017d00 R15: 1ffff92000202f9c [ 439.645317][ T6075] RDX: ffff8881172e3b40 RSI: 0000000000000000 RDI: 0000000000000000 [ 439.645324][ T6075] RBP: ffffc90000d07dc0 R08: ffffffff8146a1bb R09: ffffed1022aa5b0e [ 439.645334][ T6075] R10: ffffed1022aa5b0e R11: 1ffff11022aa5b0d R12: 0000000000000000 [ 439.648591][ T6050] FS: 0000555556b37300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 439.653228][ T6075] R13: ffff8881f7355700 R14: dffffc0000000000 R15: ffff88811e3b4900 [ 439.653236][ T6075] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 439.653247][ T6075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 439.655561][ T6050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 439.659790][ T6075] CR2: 00007ffc59e33f08 CR3: 0000000105d93000 CR4: 00000000003506a0 [ 439.664788][ T6050] CR2: 0000555556b41638 CR3: 000000010c999000 CR4: 00000000003506b0 [ 439.672736][ T6075] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 439.672744][ T6075] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 439.672750][ T6075] Kernel panic - not syncing: Fatal exception [ 439.677519][ T6075] Kernel Offset: disabled [ 439.866826][ T6075] Rebooting in 86400 seconds..